Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 8. Отображено 8.
06-07-2011 дата публикации

Method for liquefying natural gas through double-expansion of high-temperature and low-temperature nitrogen gas

Номер: CN0101614464B
Принадлежит:

The invention discloses a method for liquefying natural gas through double-expansion of high-temperature and low-temperature nitrogen gas, which comprises the followings steps: pressurizing and cooling the nitrogen gas to obtain high-pressure nitrogen gas of 2.2 to 3.6 MPa; introducing the high-pressure nitrogen gas and raw natural gas into a main heat exchanger so that the gas is cooled to a temperature of between 70 DEG C below zero and 30 DEG C below zero by using low-pressure nitrogen gas at the outlet of a low-temperature expander, then extracting one stream of the cooled gas and introducing the cooled gas into a high-temperature expander for expansion refrigeration, and then returning the gas to a position of which the temperature is between 100 DEG C below zero and 80 DEG C below zero in the main heat exchanger; and continuously cooling the other stream of the gas to a temperature of between 110 DEG C below zero and 70 DEG C below zero, then introducing the gas into the low-temperature ...

Подробнее
19-08-2009 дата публикации

Releasing agent of slag caster

Номер: CN0101508017A
Принадлежит:

The invention discloses a mould release agent for a slag casting machine. The mould release agent is made of lead dust as a dust collecting product of a lead melting system, lime and water, wherein the mass of the lead dust is 3 to 5 times of the mass of the lime, and the mass of the water is 6 to 10 times of the total mass of the lead dust and the lime; and after the components of the mould release agent are matched, compressed air is introduced into the components, and the components are stirred. The mould release agent utilizes the lead dust which is the lead-melting dust collecting product as a main raw material which is fused together with cooling and solidifying processes of high lead slag in a melting state, so that a definite clearance is formed between a slag mould and a slag block, so the mould release agent is quite easy to release the mould, and remarkably improves the mould release effect.

Подробнее
30-12-2009 дата публикации

Method for liquefying natural gas through double-expansion of high-temperature and low-temperature nitrogen gas

Номер: CN0101614464A
Принадлежит:

The invention discloses a method for liquefying natural gas through double-expansion of high-temperature and low-temperature nitrogen gas, which comprises the followings steps: pressurizing and cooling the nitrogen gas to obtain high-pressure nitrogen gas of 2.2 to 3.6 MPa; introducing the high-pressure nitrogen gas and raw natural gas into a main heat exchanger so that the gas is cooled to a temperature of between 70 DEG C below zero and 30 DEG C below zero by using low-pressure nitrogen gas at the outlet of a low-temperature expander, then extracting one stream of the cooled gas and introducing the cooled gas into a high-temperature expander for expansion refrigeration, and then returning the gas to a position of which the temperature is between 100 DEG C below zero and 80 DEG C below zero in the main heat exchanger; and continuously cooling the other stream of the gas to a temperature of between 110 DEG C below zero and 70 DEG C below zero, then introducing the gas into the low-temperature ...

Подробнее
19-08-2009 дата публикации

Process for direct reduction of liquid high-lead skim with reduction furnace

Номер: CN0101509081A
Принадлежит:

The invention discloses a process of directly reducing liquid high lead slag in reducing furnace, secondary lead-containing materials such as the liquid high lead slag, lead concentrate, scrap leads, waste accumulators and the like generated from the oxygen bottom blowing smelting furnace or zinc leaching residues are used as raw materials and are added from the top end of the reducing furnace; coal powder and natural gas used as fuel and oxygen-enriched air used as combustion improver are continuously led in from the top of the reducing furnace to carry out combustion reaction; the temperature in the reducing furnace is kept at 1000-1500 DEG C; the coal powder and natural gas can be simultaneously used as reducing agents and fall into the reaction tank at the bottom of the reducing furnace after being fully mixed with the raw materials; the lead oxides in the raw materials are reduced to crude lead and the addition of the reducing agents is subject to full reduction of the lead oxides ...

Подробнее
17-08-2011 дата публикации

Method for liquefying high-low pressure nitrogen double-expansion natural gas

Номер: CN0101608859B
Принадлежит:

The invention discloses a method for liquefying high-low pressure nitrogen double-expansion natural gas, which comprises the following steps: compressing and cooling nitrogen gas, and then introducing the nitrogen gas into the pressurizing end of a low-pressure pressurizing machine for pressurization; after cooling the nitrogen gas to a temperature of between 30 and 45 DEG C by a second after cooler, introducing the nitrogen gas into the pressurizing end of a high-pressure pressurizing machine to obtain high-pressure nitrogen gas which is cooled to a temperature of between 30 and 45 DEG C by a first after cooler; introducing the cooled high-pressure nitrogen gas into a main heat exchanger, cooling the nitrogen gas and raw natural gas to a temperature of 70 DEG C below zero and 30 DEG C below zero by the low-pressure nitrogen gas at the outlet of a low-pressure expander, taking out a current of the nitrogen gas which is introduced into a high-pressure expander for expansion refrigeration ...

Подробнее
15-06-2011 дата публикации

Releasing agent of slag caster

Номер: CN0101508017B
Принадлежит:

The invention discloses a mould release agent for a slag casting machine. The mould release agent is made of lead dust as a dust collecting product of a lead melting system, lime and water, wherein the mass of the lead dust is 3 to 5 times of the mass of the lime, and the mass of the water is 6 to 10 times of the total mass of the lead dust and the lime; and after the components of the mould release agent are matched, compressed air is introduced into the components, and the components are stirred. The mould release agent utilizes the lead dust which is the lead-melting dust collecting product as a main raw material which is fused together with cooling and solidifying processes of high lead slag in a melting state, so that a definite clearance is formed between a slag mould and a slag block, so the mould release agent is quite easy to release the mould, and remarkably improves the mould release effect.

Подробнее
23-12-2009 дата публикации

Method for liquefying high-low pressure nitrogen double-expansion natural gas

Номер: CN0101608859A
Принадлежит:

The invention discloses a method for liquefying high-low pressure nitrogen double-expansion natural gas, which comprises the following steps: compressing and cooling nitrogen gas, and then introducing the nitrogen gas into the pressurizing end of a low-pressure pressurizing machine for pressurization; after cooling the nitrogen gas to a temperature of between 30 and 45 DEG C by a second after cooler, introducing the nitrogen gas into the pressurizing end of a high-pressure pressurizing machine to obtain high-pressure nitrogen gas which is cooled to a temperature of between 30 and 45 DEG C by a first after cooler; introducing the cooled high-pressure nitrogen gas into a main heat exchanger, cooling the nitrogen gas and raw natural gas to a temperature of 70 DEG C below zero and 30 DEG C below zero by the low-pressure nitrogen gas at the outlet of a low-pressure expander, taking out a current of the nitrogen gas which is introduced into a high-pressure expander for expansion refrigeration ...

Подробнее
07-01-2009 дата публикации

Medium air separation equipment fractionating tower cold box assembling method

Номер: CN0101338965A
Принадлежит:

The invention relates to a production equipment assembling process, in particular to a medium-type air separation equipment fractionating tower cold box assembling method. In the medium-type air separation fractionating tower cold box assembling method, aluminum units and components manufactured in manufacturing plants are assembled into cold box modular units in blocks; the cold box modular units are delivered to the field of a user, which are assembled by an installation unit. The cold box modular units are assembled by fasteners or by means of weld. In the method provided by the invention, as modules are produced in manufacturing plants, components do not need to be transported separately, thus preventing the components from being lost on the way. The field installation period is short; the cost is low; the installation workload is reduced; the efficiency is improved; the quality and the safety are guaranteed.

Подробнее