Intelligent power distribution network closed-loop self-healing control method

The invention provides an intelligent power distribution network closed-loop self-healing control method for solving the problems that in the intelligent power distribution network self-healing control process, a self-healing scheme and an actual control mode are detached, the automation level is low, and the situation that the usability and the accuracy of the self-healing scheme are affected due to remote control failure may occur. According to the technical scheme, when a power distribution network breaks down, a self-healing recovery scheme and a remote control operation sequence are obtained, and after the self-healing recovery scheme and the remote control operation sequence are determined by a dispatcher, an automatic power distribution system performs automatic remote control operation sequentially and automatically. If one remote control failure occurs, an automatic mode is converted into a manual execution mode, a standby application scheme is generated automatically, the dispatcher ...

Method for preparing wall and floor tile adhesive mortar by using mill tailings

The invention relates to a method for preparing wall and floor tile adhesive mortar by using mill tailings. The wall and floor tile adhesive mortar comprises the following components in part by weight: 50 to 250 parts of silicate cement, 20 to 150 parts of coal ash, 100 to 650 parts of iron tailing sand or copper tailing sand, 1 to 18 parts of re-dispersible latex powder and 0.2 to 0.6 part of water reducer. The preparation method comprises the following steps of: drying the iron tailing sand or copper tailing sand to ensure that the moisture content is 1 to 6 percent; and then mixing the iron tailing sand or copper tailing sand and the silicate cement, the coal ash, the water reducer and the re-dispersible polymer latex powder uniformly by using an agravic mixer to obtain the dried powder mortar products. A large number of industrial and mineral solid wastes such as the iron tailing sand or copper tailing sand, the coal ash and the like are utilized to be combined with the re-dispersible ...

Environmental-friendly waterproof polymer mortar

The invention relates to environmental-friendly waterproof polymer mortar, which comprises the following components in portion by weight: 50 to 230 portions of low-clinker silicate cement, 200 to 450 portions of quartz sand, 80 to 120 portions of fly ash, 1 to 18 portions of re-dispersible polyethylene vinyl acetate latex powder, 1 to 10 portions of dispersible polyvinyl acetate vinyl versatate latex powder, 0.2 to 0.6 portion of water reducing agent, 0.05 to 0.3 portion of antifoaming agent, and 0.25 to 2.25 portions of polypropylene fibers. A gel material prepared from steel slag, tailings and the fly ash replaces silicate cement and partial aggregate in the prior mortar; the modified waterproof polymer mortar has the advantages of excellent impermeability, good mechanical property and construction property, simple production technology, and easy manufacture, greatly consumes industrial and mining wastes, controls the ecological environment, and lowers the cost; and the product has reliable ...

Method for producing ecological concrete with coal ash-pulverized coke based draff

A method for producing ecological cement by means of fly ash-coke breeze-based synthetic fuel residue comprises the following step that: synthetic fuel residue is mixed with a water reducing agent, gypsum, slag and clinker according to a certain proportion, and is ground evenly so as to obtain a cement product. Compared with the preparation of ordinary Portland cement, the method omits raw meal grinding and sintering process, thereby greatly saving energy source and having a better application prospect.

Preparation method and application of free nitroxide radical polymer brush polymerization inhibitor

The invention relates to a preparation method of a free nitroxide radical polymer brush polymerization inhibitor, and application of the free nitroxide radical polymer brush polymerization inhibitor in synthesis of epoxy soybean oil acrylic ester. The preparation method comprises the following steps: firstly, grafting a polyglycidyl methacrylate polymer brush on the surfaces of cross-linked polystyrene microspheres by using an electron transfer regenerated catalyst atom transfer free radical polymerization technique, and secondly, bonding tetramethyl piperidine free nitroxide radical onto the polyglycidyl methacrylate polymer brush, thereby obtaining the free nitroxide radical polymer brush. The application comprises: taking the free nitroxide radical polymer brush as a main polymerization inhibitor and a small molecule polymerization inhibitor as a polymerization inhibitor aid, thereby forming a composite polymerization inhibition system for preparing epoxy soybean oil acrylic ester. The ...

Method for preparing wall and floor tile adhesive mortar by using mill tailings

Metadata-based multi-source multi-class comprehensive energy data statistical analysis method and system

The invention discloses a multi-source and multi-class comprehensive energy data statistical analysis method and system based on metadata. The method comprises the following steps: extracting equipment characteristics and metering data characteristics for equipment in a comprehensive energy system; the metadatabase is used for storing multi-source and multi-class metadata, including description data of equipment characteristics, measurement data characteristics and equipment topological relations, and carrying out dynamic adjustment on the equipment topological relations; metadata statistics, single device energy statistics and parent device energy statistics are carried out based on the data of the metadatabase. The comprehensive energy data processing links can be effectively reduced, and the processing efficiency of comprehensive energy data statistical analysis is improved.

Graph visualization expressing method for FA (Feeder Automation) action event of power distribution network

The invention discloses a graph visualization expressing method for an FA (Feeder Automation) action event of a power distribution network. One-time FA action related events are expressed on a graph according to specific occurrence moments and are connected through a one-way arrow marking a causal relationship, so that a cause, a failure isolation result and a failure recovery result of an FA action are clearly described. The display process of the FA action is realized by a graphic method, an association relationship between failure warning and failure processing and the causal relationship of the FA action are effectively, visually and vividly displayed, a complete failure event process can be quickly acquired, intelligent warning is formed, and the method can serve as diagnostic analysis operation for analyzing whether the FA action is correct.

Intelligent self-healing controlling method of feeder line of distribution network

Disclosed is an intelligent self-healing controlling method of a feeder line of a distribution network. The intelligent self-healing controlling method includes the steps of (1) making a distribution network fault handling plan; (2) examining and upgrading the fault handling plan to the corresponding distribution network terminal; (3) diagnosing, positioning and isolating the fault by adopting a distributed self-healing controlling plan; (4) implementing the power restoration of the downstream load of the fault by automatically acting the corresponding fault handling plan; (5) employing a centralized self-healing controlling plan, which is implemented by a master station/substation, to realize power restoration of the upstream power-lossing load of the fault. The intelligent self-healing controlling method has the advantages that the problem that the power restoration of the downstream load of the fault is hard to be handled by the distributed self-healing controlling plan is solved, and ...

Inflatable ring main unit with supporting and protecting structure

The invention discloses an inflatable ring main unit with a supporting and protecting structure, which comprises a frame body, a protecting mechanism, a threaded rod and a cable, and is characterized in that equipment is placed in the frame body, and the front end of the frame body is rotationally connected with connecting doors in a bilateral symmetry manner; the protection mechanism is arranged on the lower side of the frame body, the protection mechanism comprises a connecting groove, a protection pad, a bearing seat, a connecting lug, a limiting rod, a limiting groove, a mounting strip, a connecting piece and a mounting groove, and the frame body is placed in the connecting groove; the threaded rod is rotationally connected to the upper end of the interior of the frame body, and a motor is installed at the right end of the threaded rod. The cable is installed at the rear end of the frame body, a connecting port is formed in the rear wall of the frame body, and the cable is connected ...

Autoclaved brick prepared from large-mixing-amount steel slag powder and preparation method of autoclaved brick

The invention provides an autoclaved brick prepared from steel slag powder and iron tailings. The autoclaved brick comprises the following components in percentage by weight: 22.4-67.9% of the iron tailings, 20-55% of the steel slag powder, 5-7% of cement, 7-15% of gravels and 0.1-0.6% of a hydroxy carboxylate inhibitor, wherein the water-material ratio is 0.08-0.11. Under the action of the inhibitor, a green brick is pre-maintained, so that the problem of bad stability of the autoclaved brick caused by steel slag is eliminated, and the problem that the autoclaved brick cracks during production by using a large mixing amount of the steel slag as a raw material is solved. The production process of the autoclaved brick is also simplified, the cementitious activities of cement and the steel slag are fully used, the product performance is improved, and the labor intensity and the production cost are reduced.

General and quick access method for power distribution network operating data and power distribution data of electric system

The invention discloses a general and quick access method for power distribution network operating data and power distribution data of an electric system. The method includes the following steps that (1) a general data access interface, a data coding and analyzing interface and a bottom layer data access interface are constructed on the basis of unified data coding; (2) the general data access interface is called to obtain a data coding set meeting query conditions; (3) the data coding and analyzing interface is called, wherein a coded value of each datum in the data coding set serves as input to call the data coding and analyzing interface; (4) the bottom layer data access interface is called; (5) a query result is returned according to an interface call relation, and general and quick access of data is completed. According to the general and quick access method for the power distribution network operating data and the power distribution data of the electric system, general and quick access ...

Preparation method of superfine fiber synthetic leather containing active ingredients of radix isatidis

The invention provides a preparation method of superfine fiber synthetic leather containing an active ingredient of radix isatidis. The preparation method comprises the steps of molecular nest modification, molecular nest protection, grafting, sizing, dipping and coating. As aromatic polyurethane resin is poor in yellowing resistance, the surface of silicon dioxide loaded with the plant extract is modified with an amide group, and then the silicon dioxide reacts with methylene of aromatic polyurethane for grafting, so that methylene oxidation caused by long-term illumination and aromatic polyurethane discoloration caused by carbon bond breakage are avoided, and the yellowing resistance of the aromatic polyurethane resin is improved. Meanwhile, the silicon dioxide is uniformly dispersed in the slurry, so that the influence on the appearance of the superfine fiber synthetic leather caused by agglomeration of the silicon dioxide in the stirring and mixing processes is avoided. The superfine ...

Novel inflatable grounding switch for high-voltage cabinet

The invention discloses a novel inflatable grounding switch for a high-voltage cabinet, and the grounding switch comprises a handle, an air box external transmission shaft, a grounding switch main shaft which is disposed at the right end of the air box external transmission shaft and is used for connection, an operation control panel which is disposed on a supporting plate of an external cabinet body, and a transmission connecting rod. The lower end of the transmission connecting rod is connected with a crank arm on a transmission shaft in the air box, the moving contact and the grounding connection bus are fixedly installed on the grounding switch main shaft through screws, and the limiting mechanism is arranged at the lower end of the handle. According to the novel inflatable grounding switch for the high-voltage cabinet, the structure of the whole grounding switch is very simple, a core component of the switch adopts a sheet metal cold stamping processing mode, so that the processing ...

Method for preparing waterproof thermal insulation type recycled aggregates

The invention uses aerated concrete particles as a core, and uses a method that the surfaces of the aerated concrete particles are coated with inorganic and organic materials to modify and process, thereby solving the problems that aerated concrete is high in water absorption and poor in mechanical property, improving waterproof performance, and preparing lightweight recycled aggregates with waterproof and thermal insulation properties.

Grinding aid for slag and manganese residue grinding and preparation method thereof

The invention provides a grinding aid for slag and manganese residue grinding and a preparation method thereof. According to the invention, the paste waste acid residue generated by transesterification production of fatty acid methyl ester from natural animal and vegetable oil or hogwash oil is taken as the raw material, slaked lime is utilized for neutralization, when methanol is removed, a proper amount of cement, slag and fly ash are added to prepare the grinding aid, thus realizing resource clean utilization of waste acid residue. The grinding aid is convenient to use, and good grinding aid effect on slag and manganese residue systems. The method provided by the invention not only solves the disposal problem of waste acid residue produced in plasticizer production, prepares the high efficiency grinding agent, but also can improve the grinding efficiency of slag, manganese residue and other materials, and reduces the production cost.

Safety environment-friendly fuel and preparation technology thereof

The invention relates to safety environment-friendly fuel and preparation technology thereof. The safety environment-friendly fuel comprises the following components in percentage by weight: 50-65 percent of waste coke powder, 10-20 percent of fly ash, 5-10 percent of anthracite, 2-5 percent of slag, 2-5 percent of high-heating-value waste slag, 5-9 percent of compounded curing agent and 10-14 percent of water. The preparation technology comprises the following steps: mixing the waste coke powder and the slag which are respectively ground and milled; adding the fly ash, the anthracite, the high-heating-value waste slag and the compounded curing agent and evenly mixing; and then adding the water and aging for 3-4 hours; and finally, forming the mixed material on a forming machine. The high-quality safety environment-friendly fuel is mainly prepared from low-cost byproducts of waste coke powder and fly ash by adding other combustible waste materials and the compounded curing agent and can ...

Weighing method based on digital sensor multiple platforms static state rail weigher

Power distribution network accident process retrieval method by using feeder line contact group as unit

The invention discloses a power distribution network accident process retrieval method by using a feeder line contact group as a unit. The process comprises the following steps: reading a history power distribution network model of a failure feeder line contact group in failure data, loading measured data at beginning moment of the retrieval to form a retrieval state real-time database section using the feeder line contact as the unit; reading history and dynamic data of accident process in the failure data; sorting alarm events and accident treating process events in the accident process in sequence to form the accident overall process event list; loading a failure information review, and initializing a first pointer and a second pointer to respectively point to a to-be-retrieved event and a to-be-retrieved event stage; and carrying out retrieval by selecting at least one of orderly retrieval, single-step retrieval and retrieval according to event process to finish the retrieval. Therefore ...

Environment-friendly type synthetic fuel and preparation process thereof

The invention discloses an environment-friendly synthetic fuel, which is prepared from, by weight parts, waste coke powder 40 to 60 parts, fly ash 15 to 30 parts, shale 10 to 15 parts, slaked lime 3 to 5 parts, carbonate 3 to 4 parts, silicate 2 to 3 parts, sulfate 1 to 2 parts and water 10 to 14 parts. The preparation process comprises the following steps: pulverizing waste coke powder, adding fly ash, shale, slaked lime, carbonate, silicate, and sulfate, mixing uniformly, adding water for aging for 3 to 4 h, and molding the mixed material on a molding machine. Compared with common coal fuel, the synthetic fuel has the advantages of good heat efficiency, rapid ignition, light weight, less energy consumption, less pollution, low cost, etc.

Alcohol liquid fuel and preparation method thereof

The invention relates to alcohol liquid fuel and a preparation method thereof. The alcohol liquid fuel comprises the following components in parts by weight: 40-60 parts of fusel oil, 20-30 parts of crude methanol, 10-20 parts of waste ethanol, 5-10 parts of acetone, 5-10 parts of swill-cooked dirty oil, 1-5 parts of emulsifier, 0.5-1 part of potassium permanganate and 0.1-0.5 part of ferrocene. The fuel adopts industrial by-products or waste as main raw materials, has a high calorific value and causes no black smoke during burning. Therefore, the fuel can be used as the fuel of the civilian stove and the industrial boiler.

Environment-friendly type synthetic fuel and preparation process thereof

The invention discloses an environment-friendly synthetic fuel, which is prepared from, by weight parts, waste coke powder 40 to 60 parts, fly ash 15 to 30 parts, shale 10 to 15 parts, slaked lime 3 to 5 parts, carbonate 3 to 4 parts, silicate 2 to 3 parts, sulfate 1 to 2 parts and water 10 to 14 parts. The preparation process comprises the following steps: pulverizing waste coke powder, adding fly ash, shale, slaked lime, carbonate, silicate, and sulfate, mixing uniformly, adding water for aging for 3 to 4 h, and molding the mixed material on a molding machine. Compared with common coal fuel, the synthetic fuel has the advantages of good heat efficiency, rapid ignition, light weight, less energy consumption, less pollution, low cost, etc.

Water-resistant gypsum base wall repair material

The invention relates to a water-resistant gypsum base wall repair material. The water-resistant gypsum base wall repair material comprises, by weight, 100 parts of desulfurated building gypsum, 5.1-10.5 parts of compound additive A, 10-20 parts of manganese slag powder, 5-10 parts of cement, 0.1-0.6 part of water-retaining agents and 0.3-0.7 part of water reducing agents. The compound additive A has delayed coagulation, water resistance and adhesion enhancement effects, and the acquired gypsum base wall repair material is reasonable in operation time and good in water resistance, adhesion performance, mechanical property and construction performance. Due to the fact that a lot of industrial by-products and waste are used, the water-resistant gypsum base wall repair material has the advantages that environment friendliness is achieved and the ecological environment is protected.

Smart distribution grid semi-closed loop self-healing control method

The invention provides a smart distribution grid semi-closed loop self-healing control method aiming at the actual situation that an original self-healing scheme can not continue to be carried out probably because of remote control failure in the actual operation according to an operation sequence obtained through the self-healing scheme when a smart distribution grid carries out self-healing control. According to the technical scheme, when the smart distribution grid breaks down, the remote control operation sequence of the self-healing recovery scheme is obtained, and each step of remote control operation is carried out after being determined errorless by a dispatcher; once remote control failure happens, a standby self-healing scheme and a standby operation sequence are generated, and distribution grid self-healing is achieved according to the standby operation sequence; finally, it is ensured that the distribution grid operates in the optimum mode after seal-healing through distribution ...

Method for preparing enzyme and bacterium composite agent for treating sewage and sludge

The invention relates to a method for preparing an enzyme and bacterium composite agent for treating sewage and sludge, which comprises the following steps: (1) preparing bacillus subtilis powder; (2) preparing bacterial solution of photosynthetic bacteria; (3) obtaining indigenous bacteria by collection, culture and enrichment culture; (4) performing domestication culture of working bacteria, namely adding indigenous bacteria and a composite culture medium according to different sludge loads, adding bacillus subtilis enzyme powder in an amount which is 0.1 to 0.4 percent based on total weight and bacterial solution of photosynthetic bacteria in an amount which is 1 to 3 percent based on the total weight, performing tests under different loads and different organic matter concentration, determining an optimal parameter, and repeating for 3 times; and (5) performing domestication and amplification culture of the working bacterium composite agent, and obtaining the domesticated working bacterium ...

Weighing method based on digital sensor multiple platforms static state railroad track scale

The invention relates to a weighing method based on a digital transducer multi-platform static railroad track scale, (1) address codes of every digital transducer in the weighing system are established and stored in a digital processor, a digital transducer stores the own address code; (2) weigher quantity of the weighing system is established, the weigher quantity includes the quantity of single weighers and the quantity of assembled weighers which are randomly assembled from every single weighers, the weigher quantity is stored in the digital processor; (3) the corresponding relationships of every weigher and the digital transducer address codes are established and stored in the digital processor; (4) the digital processor collects weighing data of every digital transducer and generates weighing information of every separately functioned single weigher and assembled weigher according to corresponding relationships of every weigher and digital transducer address codes; (5) according to ...

Micro electrical network energy storage sectional type emergency frequency modulation control method

The invention discloses a micro electrical network energy storage sectional type emergency frequency modulation control method, and belongs to the technical field of micro electrical network control of an electric power system. In the method, a sectional type control method is adopted, a PID algorithm is respectively adopted at a low frequency off-limit state and a high frequency off-limit state for realizing frequency recovery of an adjusting stage, and a low pass filtering algorithm is adopted for realizing smooth energy storage withdrawal of a withdrawal stage. The PID algorithm improves the adjusting recovery speed after frequency off-limit, and the low pass filtering algorithm improves matching performance with other power frequency modulation speeds.

Preparation method for polymer brush supported TEMPO catalyst system

The invention relates to a preparation method for a polymer brush supported TEMPO catalyst system. Specifically, the method includes the steps of: 1) conducting soap-free emulsion polymerization to prepare a surface hydroxylated crosslinked polystyrene (PS) microsphere; 2) loading an ATRP initiator to the PS microsphere surface through O-acylation reaction of 2-bromoisobutyryl bromide and hydroxyl; 3) taking the PS microsphere as a macroinitiator, grafting a structure controllable polymer brush containing methacrylic acid-2, 2, 6, 6-tetramethyl-4-piperidyl ester (TMPM) to the microsphere surface through an ARGETATRP technology; and 4) oxidizing the piperidyl of TMPM into free radical of nitroxide by m-chloroperoxybenzoic acid (mCPBA) so as to load the TEMPO to the polymer brush in the form of a covalent bond. The polymer brush supported TEMPO catalyst system can employ O2 as the oxidizing agent to efficiently catalyze the selective oxidation reaction of alcohol, is convenient to recycle ...

Autoclaved aerated concrete blocks prepared from iron tailings and steel slags and preparation method thereof

The invention relates to autoclaved aerated concrete blocks prepared from iron tailings and steel slags and a preparation method thereof. The autoclaved aerated concrete blocks prepared by iron tailings and steel slags comprise the following components in parts by weight: 30-60 parts of iron tailings, 20-30 parts of steel slags, 30-54 parts of water, 0.04-0.10 part of a water-reducing dispersant, 0.5-1.0 part of an active additive B, 3-5 parts of quicklime, 2-3 parts of concrete, and 0.033-0.059 part of an aluminum powder. The 'wet fine grinding-chemical excitation-residual heat treatment' technical process is adopted, so as to solve the stability problem of the steel slag and improve the activity of the steel slags and the iron tailings, so that the steel slags can be used as the main gel material to partly replace the concrete or the quicklime, the residual heat steam is used to process the slurry, the production energy consumption is reduced, and the production cost is reduced.

Phase change energy storage aggregate and preparation method thereof

The invention provides a method for preparing a phase change energy storage aggregate by using waste building autoclaved aerated concrete. The aggregate comprises the following components in parts by weight: 10 parts of waste aerated concrete particles, 7-10 parts of phase-change material, 1.7-2.7 parts of polymer emulsion, 4.5-5.5 parts of steel slag powder, 1.2-1.8 parts of cement, 2-2.5 parts of water, 1.5-2 parts of building plaster and 3-3.8 parts of manganese slag powder. The obtained phase change energy storage aggregate is high in strength and good in affinity with inorganic adhesive materials; the phase-change material is not easy to leak and durable in use; the phase change energy storage aggregate can be used for preparing mortar and concrete, and producing various building blocks or panels, and the like.

Process for producing cement or cement products by metal tailings (skam)

The present invention is process of cement and cement product with skarn as one kind of metal tail ore, and converts skarn into useful resource. The cement producing process includes adding skarn in 10-35 wt% and gypsum dihydrate in 3-5 wt% into cement clinker to form mixture, and the mixture is milled to 180 mesh and to form the skarn cement. The present invention replaces skarn for partial traditional cement material to solve the pollution caused by skarn while providing cement production with new material.

Modeling method of low-voltage distribution network with distributed power supply

The invention relates to a modeling method of a low-voltage distribution network with a distributed power supply. The modeling method includes the steps that a distributed power supply model in a low-voltage distribution network model is established; a distribution transformer combination model in the low-voltage distribution network model is established; a low-voltage transformer substation model is established in the low-voltage distribution network model; topology association and measurement data points between the low-voltage distribution network model and a medium-voltage distribution network model are set; low-voltage distribution network measurement data are acquired and mapped into the established low-voltage distribution network model; the low-voltage distribution network model is checked through topology verification. Thus, while the influence on the functions of an existing power distribution automation system is minimum, the low-voltage power grid model with the distributed ...

Method for manufacturing eco-cement

The invention relates to a method for manufacturing eco-cement, which comprises the following steps: a, performing catalytic oxidation modification on sintering flue gas desulfurized ash from steel works, namely desulfurized ash modification; b, mixing a cement clinker, the modified desulfurized ash, mineral slag, steel slag, an excitant and a water reducing agent, wherein the weight ratio is 13-30:15-30:0-44:55-11:1-2:0.2-0.7 in turn; and c, grinding the obtained mixture into the cement of which the specific surface area is between 300 and 500 m<2>/kg. The strength value of the eco-cement prepared by the method can meet GB13592-92 'steel slag and mineral slag cement standards', and the method not only can alleviate the high resource and energy consumptions and the environmental pollutioncaused by cement production, but also can reduce the cost of the cement production to achieve environmental benefits, economic benefits and social benefits.

Dry powder mortar of mine tailings

The invention relates to dry powder mortar of mine tailings, which comprises the following components in portion by weight: 40 to 60 portions of copper tailing sand or iron tailing sand, 20 to 30 portions of river sand, 10 to 30 portions of low-clinker silicate cement, and 0.5 to 1.5 portions of water-retaining thickening agent. The dry powder mortar is suitable for masonry, plastering, ground and common waterproof engineering. By using the low-clinker cement to replace the prior common silicate cement and using the tailing sand to partially replace the river sand, the dry powder mortar reduces the discharge of carbon dioxide and the consumption of sand river resources, realizes the resource utilization of solid wastes such as mine refuses, steel slag, tailings and the like, and protects the ecological environment.

Method for manufacturing eco-cement

The invention relates to a method for manufacturing eco-cement, which comprises the following steps: a, performing catalytic oxidation modification on sintering flue gas desulfurized ash from steel works, namely desulfurized ash modification; b, mixing a cement clinker, the modified desulfurized ash, mineral slag, steel slag, an excitant and a water reducing agent, wherein the weight ratio is 13-30:15-30:0-44:55-11:1-2:0.2-0.7 in turn; and c, grinding the obtained mixture into the cement of which the specific surface area is between 300 and 500 m<2>/kg. The strength value of the eco-cement prepared by the method can meet GB13592-92 'steel slag and mineral slag cement standards', and the method not only can alleviate the high resource and energy consumptions and the environmental pollution caused by cement production, but also can reduce the cost of the cement production to achieve environmental benefits, economic benefits and social benefits.

Process for producing fly ash steamed brick by using sintering machine desulfuration ash

The invention relates to a process for producing a fly ash steamed brick by using sintering machine desulfuration ash. The fly ash steamed brick comprises the following raw materials in portion by weight: 20 to 80 portions of fly ash, 5 to 25 portions of desulfuration ash, 0.1 to 10 portions of lime, 0.1 to 4 portions of gypsum, 5 to 50 portions of aggregate, and 0 to 1.5 portions of composite assistant. A product is prepared by the processes of adding water and stirring, pressing and molding, keeping standing and steam curing. The process is used for producing the fly ash steamed brick by using the sintering machine desulfuration ash of a steel mill to totally or partially replace the lime and the gypsum, solves the problem of resource utilization of the sintering machine desulfuration ash of the steel mill; and the fly ash steamed brick produced by the sintering machine desulfuration ash has following performance test results: the breaking strength of the steamed brick is 2.5 to 4.0 MPa ...

Mine debris steamed brick and its production method

Method for realizing wide-area distributed integrated flexible bus based on multi-agent technique

The present invention provides a method for realizing wide-area distributed integrated flexible bus which is based on multi-agent technique and supports the wide-area multi-source automation system. The wide-area multi-source automation system is an integrated automation system which is composed of a plurality of agent subsystems which are distributed geographically and has independent self-government capacity. The data acquisition and processing function is dispersed to each agent subsystem. The resource adopts a method of unified database establishment and scattered distribution, and the data is simultaneously stored in a central system and the subsystem. The realizing method of the invention provides a unified data communication support platform for the integrated automation system. Themethod of the invention has strong reference significance for developing the basic platform of the large-scale automation systems of power transmission-control integrated system, distribution automation ...

Fault section increment storage method for power distribution network

The invention relates to a fault section increment storage method for a power distribution network. The fault section increment storage method is characterized by including the following steps: determining faults, wherein the power distribution network is monitored, it is determined that the faults needing to be stored occur, and the fault storage time is determined; carrying out fault processing and information recording, wherein self-healing processing is carried out on the faults in the determined storage time, and change conditions of fault section information are monitored and recorded till the storage time is over; carrying out fault section increment storage, wherein increment storage is carried out on the fault related information. Multiple fault storage mechanisms including analysis to relations between the faults, judgment on the relations between the faults and reappearing of influences between the faults are favorable for correctly and comprehensively analyzing the validity ...

Process for preparing load-bearing foam concrete blocks

The invention relates to a process for preparing load-bearing foam concrete blocks. The preparation process comprises the following steps of: metering 10 to 60 parts of mine tailing, 0 to 60 parts of pulverized fuel ash, 0 to 40 parts of slag, 20 to 60 parts of cement, 0.1 to 1 part of excitant and 0 to 0.6 part of fibre in proportion and then mixing the materials uniformly; adding water in a water-solid ratio of between 0.38 and 0.48 and stirring the mixture into an uniform slurry; then, adding vesicant foams prepared in advance and stirring continuously to ensure that the foams are uniformly dispersed in the slurry; moulding by casting and maintaining the blocks at room temperature for 16 to 48 hours; and maintaining the blocks after demoulding at the normal temperature for 28 days or in steam at a temperature between 60 and 100 DEG C for 8 to 24 hours to prepare the load-bearing foam concrete blocks. The load-bearing foam concrete blocks have good heat preservation property, high intensity ...

生态饲料、肥料制造机

The ecological feed and fertilizer making machine includes motor and frame, the motor drives the main shaft via the driving system, and the frame has material feeder in upper front and discharge port in lower front. The main shaft has stirring arm installed, rolling shaft fixed to outer end of the stirring arm, and rolling wheel and scraper mounted onto the rolling shaft. There are notches or slots in the inner wall of the frame, ventilation holes with inlet air controlling board in the lower part of the frame, heater in the bottom or side of the frame and flue pipe with flue outlet controlling board in the top of the frame. Utilizing the ecological feed and fertilizer making machine can raise the quality of feed and fertilizer, and the machine has simple structure, multipurpose, low power consumption and different optional types powered with different power sources.

Machine for producing ecological forage and ecological fertilizer