Gas drainage under suction hole packer

Technical Field

The utility model relates to the technical field of gas and, more specifically, relates to a gas discharge hole sealing device.

Background Art

With the production and in the coal industry, high-speed development, in the production of coal mine gas and dust problems have become more and more prominent, gas and coal dust explosion events occur from time to time, in particular in recent years, with the increase of the depth of pit mining, coal seam gas pressure, gas content gradually increased, in order to ensure the security of the mine, the mine heating, digging working surface generally adopts a bored pre-vacuum gas new process, thereby bringing the oil discharge hole and the oil discharge pipe line plugging and sealing problem between the.

Traditional simple method for sealing is directly made of cement and mortar, drilling of the gas discharge pipe is inserted into the bottom of the axial region of the sealing section for blocking or sealing cement is then, after solidifying to be cement rock slurry can be air. Cement mortar hole sealing water injection the consumed time is long, poor sealing effect, capacity bears air pressure is not strong, but also much material consumption, the operation is not convenient. hard and the plugging cement mortar, the application in anthracite level, but the soft coal seam the plugging effect is poor. Furthermore, in the construction of sealing under a coal mine, frequent occurrence of the initial sealing effect is not good or with the increased degree of exploitation of the deformation of the coal takes place, so that the originally isolated slit communicate with the outside world, generating leakage, sealing condition of failure caused, and at this time, if the secondary counter-bored, to ensure that the sealing effect of the sealing operation, the workload will be increased, thereby reducing the economic benefits.

Content of the utility model

1. Technical problem solved by the utility model

The purpose of the utility model is to overcome the disadvantages in the prior art, provides a gas discharge hole sealing device, by adopting the technical solution of the utility model through the rubber tube, between the screw blades and the rubber filling slurry and the spiral blade to the bore hole to hole-sealing, sealing hole sealing device can also be overcome without nghiem or coal the problem of gas leakage failure after deformation, avoid secondary sealing large workload and then increase the construction cost, and some of the parts can be used for many times, the cost is saved, the hole packer the structure is simple, ingenious design, the manufacturing cost is low, the sealing effect is good, the operation is convenient, the applicability is strong, safe and reliable, economic and social benefits are obvious.

2. Technical solution

In order to achieve the above-mentioned purpose, the present utility model provides the technical proposal:

The utility model is a gas discharge hole sealing device, which comprises a 1st oil discharge pipe, 2nd oil discharge tube, a rubber tube, the helical blade, and the air inlet pipe, the spiral blade is sleeved on the 2nd oil discharge pipe is, the distance between the blade of the helical blade and vane helix + oblique angle, the height of the spiral blades maintain their respective these three the ratio-change, also on the inner wall of the spiral blade is provided with an inner thread, the helical blade of the exhaust below the 1st is provided with a detachable annular elastic gasket, the 2nd the outer wall of the exhaust pipe is provided with the rear end of the helical blade is engaged with the internal thread on the inner wall of the outer thread, 2nd and 1st of the exhaust oil discharge pipe connected by a screw thread, said rubber tube through the clamp is fixed on the 1st oil discharge pipe, an inlet pipe for the 2nd oil discharge pipe is communicated with the grooves on the surface of the in the rubber and in, an air inlet pipe is provided with a 1st pressure gauge, sump is connected with the end of the air inlet pipe, the condensers of the helical blades and the outlet is provided in the gap between the rubber.

As the further improvement of the utility model, the 2nd the rear end of the exhaust pipe is also provided with a viewing window.

As the further improvement of the utility model, the spiral blade is a conical structure.

As the further improvement of the utility model, the 1st sequentially at the front end of the exhaust pipe is provided with a guide head, hole and a filter.

As the further improvement of the utility model, the 2nd oil discharge tubes of the rear end of the pressure gauge is provided with a valve and 2nd.

As the further improvement of the utility model, the gas source as the inflator.

3. Beneficial effects

The utility model provides the technical scheme, compared with the prior art, has the following remarkable effects:

(1) the utility model is a gas discharge hole sealing device, through the rubber tube, the screw blades and the rubber filling between the slurry and the helical blade for drilling the vehicle at the same time, in order to overcome the poor sealing hole sealing device, and the problem of gas leakage failure after deformation, can also avoid secondary sealing large workload, increase the construction cost.

(2) the utility model is a gas discharge hole sealing device, is able to quickly adapt the rubber pressure inner wall of the hole, the gas pressure in the rubber hose and between the screw blades and the rubber tube the grout pressure of when note thick liquid, can effectively solve the problem of rough borehole wall, is not flat due to the problem of poor sealing effect, safety and reliability.

(3) the utility model is a gas discharge hole sealing device, the rear end of the 2nd oil discharge tubes is provided with a pressure gauge, can be in the real-time display of the pressure in the blower, the situation in the hole sealing device with visual perception, can raise the efficiency, the operation is convenient.

(4) the utility model is a gas discharge hole sealing device, the front end of the 1st for the exhaust hole, the drill hole to prevent the blockage of an air inlet of the oil discharge tubes, quick and safe.

(5) the utility model is a gas discharge hole sealing device, an annular elastic gasket is between the flexible gasket and the drilling bulge -tight, the sealing effect is good, at the same time, note the slurry is sealed in between the elastic gasket and the rubber pipe, uncontaminated 2nd oil discharge pipe, so that the 2nd oil discharge tube can be repeatedly used, material saving, economic and environmental protection, and it is more convenient to use.

(6) the utility model is a gas discharge hole sealing device, the front end of the 1st oil discharge tubes and guide head, gas hole sealing device can be ensured is not coal slurry plugging, inlet hole more smoothly.

(7) the utility model is a gas discharge hole sealing device, the rear end of the 2nd oil discharge tubes is provided with an observation window, the observation hole the water can be at any time, the pumping of coal particles and the like, a processing period of the sedimentation basin can be determined, and then drilling and the inferred the internal conditions of the coal, as other method for providing mine pressure study the information obtained is not possible.

(8) the utility model is a gas discharge hole sealing device, the helical blade is pyramidal structure, can not only fast efficient sealing, is easy to withdraw from the bore hole, and can be used repeatedly.

(9) the utility model is a gas discharge hole sealing device, the structure is simple, ingenious design, the manufacturing cost is low, the sealing effect is good, the operation is convenient, the applicability is strong, safe and reliable, economic and social benefits are obvious.

Description of drawings

Figure 1 is the structure diagram of a kind of the gas discharging hole sealing device of the present utility model.

In the schematic view of the label note:

The exhaust 1,1st; 11, elastic gasket; 12, filter ; 13, pumping hole; 14, guide head; 2,2nd oil discharge tubes, ; 21, the observation window; 22, pressure gauge 2nd; 23, valve ; 3, a rubber tube; 4, spiral blade; 5, an air inlet pipe; 51,1st pressure gauge; 52, inflator ; 6, filling tube.

Mode of execution

In order to further understand the contents of the utility model, with the embodiment of Figures and the detailed description of the utility model.

Embodiment 1

As shown in Figure 1, in this embodiment a gas discharge hole sealing device, which comprises a 1st oil discharge tube 1,2nd oil discharge tubes, 2, the rubber tube 3, the spiral blade 4, the air inlet pipe 5 and the pipe 6, the spiral blade 4 is sleeved on the 2nd oil discharge tubes, 2 the upper, the spiral blade 4 is a conical structure, can not only fast efficient sealing, is easy to withdraw from the bore hole, and can be used repeatedly, the spiral blade 4 and the distance between the oblique helical blade, the height of the spiral blades maintain their respective these three the ratio-change, the spiral blade 4 is also provided with a on the inner wall of the internal thread, the helical blade 4 of the lower part of the 1st oil discharge tube 1 is provided with a detachable annular elastic gasket 11, an annular elastic gasket 11 is set in such way that the elastic gasket 11 between the tight bulge, the sealing effect is good, at the same time, note the slurry is sealed in the elastic gasket 11 and a rubber tube 3 between, 2nd oil discharge tubes has not been polluted 2, so that the 2nd oil discharge tubes, 2 can be reused, material saving, economic and environmental protection, and it is more convenient to use, the 2nd oil discharge tubes 2 is arranged on the outer wall of the rear end of the spiral blade 4 is engaged with the internal thread on the inner wall of the outer thread, 2nd oil discharge tubes 2 and the 1st oil discharge tube 1 is connected by a screw thread, 2nd oil discharge tubes 2 is arranged at the rear end of a valve 23 and 2nd pressure gauge 22,2nd pressure gauge 22 can be in the real-time display of the pressure in the blower, the situation in the hole sealing device with visual perception, can raise the efficiency, the operation is convenient, 2nd oil discharge tubes 2 is also provided with an observation window the rear end of the 21, can be at any time the water in the observation, in pumping coal particles and the like, a processing period of the sedimentation basin can be determined, and then drilling and the inferred the internal conditions of the coal, to mine pressure research may be other methods for information, said rubber tube 3 is fixed in the through the 1st oil discharge tube 1 is, the rubber tube 3 is able to quickly adapt pressure inner wall of the hole, the rubber tube 3 and the gas pressure in the spiral blade 4 and the rubber tube 3 between the grout pressure of when note thick liquid, can effectively solve the problem of rough borehole wall, is not flat due to the problem of poor sealing effect, safety and reliability, 1st oil discharge tube 1 is provided with the front end of the guide head 14, hole 13 and the filter 12, hole 13 in the drill hole to prevent the the 1st oil discharge tube 1 the air inlet plug, quick and safe, guide head 14 of the gas hole sealing device can be ensured is not coal slurry plugging, inlet hole more smoothly, the air inlet pipe 5 for exhaust 2nd 2 of the groove on the surface of the rubber and is communicated with the 3 inner, the air inlet pipe 5 is provided with a 1st pressure gauge 51, the air inlet pipe 5 is connected with the end of a gas source, the gas source as the inflator 52, the grouting pipe 6 is provided for the outlet of the spiral blade 4 and a rubber tube 3 within the clearance between the, grouting pipe 6 2nd oil discharge tubes embedded in the 2 surface in the other groove, through the rubber tube 3, the spiral blade 4 and the rubber tube 3 between the slurry and the injection of the spiral blade 4 to drilling the vehicle at the same time, in order to overcome the poor sealing hole sealing device, and the problem of gas leakage failure after deformation, the secondary sealing also can avoid large and increasing the construction cost of the workload, the hole, through the air inlet pipe 5 so that the rubber tube 3 first expansion, the rubber tube 3 to the clip grips two ends, into the convexo-concave form, the frictional force of the coal and, secondly through the grouting pipe 6 in the spiral blade 4 and a rubber tube 3 filled between the slurry injection, the fixed role play very good, preventing the hole is too large or the gas pressure of the gas discharge pipe out of the spray orifice.

The above-mentioned illustrative to this utility model and the embodiment described, the description is not restrictive, as shown in the Figure only the one embodiment of the utility model, the actual structure is not limited to this. Therefore, if the ordinary technical personnel in this field by its apocalypse, without deviating from the purpose of the utility model creation circumstances, without creative design and the technical proposal manner and similar to the embodiment of the structure of the, should be within the scope of protection of the utility model.