CN220930871U - Gas source auxiliary system of coal mine underground membrane separation nitrogen making equipment - Google Patents
Gas source auxiliary system of coal mine underground membrane separation nitrogen making equipment Download PDFInfo
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- CN220930871U CN220930871U CN202322996470.5U CN202322996470U CN220930871U CN 220930871 U CN220930871 U CN 220930871U CN 202322996470 U CN202322996470 U CN 202322996470U CN 220930871 U CN220930871 U CN 220930871U
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 239000007789 gas Substances 0.000 title claims abstract description 79
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 43
- 239000012528 membrane Substances 0.000 title claims abstract description 36
- 239000003245 coal Substances 0.000 title claims abstract description 25
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 10
- 229910001369 Brass Inorganic materials 0.000 claims description 9
- 239000010951 brass Substances 0.000 claims description 9
- 230000002265 prevention Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009920 food preservation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an air source auxiliary system of underground coal mine membrane separation nitrogen making equipment, which is assembled between an air compressor and membrane nitrogen making equipment and comprises an air storage tank, a pressure release valve, an automatic gas flow regulating valve, a water removing device and a gas main pipeline.
Description
Technical Field
The utility model belongs to the technical field of underground coal mine membrane separation nitrogen making equipment, and particularly provides an air source auxiliary system of underground coal mine membrane separation nitrogen making equipment.
Background
Coal is an important energy source in China, and the safety problem of coal mines is a key difficulty which restricts the safety production of China, wherein gas explosion accidents are one of the most serious accidents in coal mine accidents in China, and the gas explosion accidents relate to various fields. The membrane separation nitrogen making device is a main product of underground coal mine fire prevention and extinguishment, and is the most advanced air separation nitrogen making technology in the world in the last 90 th century. The membrane separation technology is mainly applied to flame retardance of oil tankers and oil reservoirs, preservation of grains, vegetables, fruits and foods, preservation of easily-oxidized materials and the like. But also has application in the fields of petroleum, metallurgical industry, food preservation and the like.
With development and application of coal mining technology, fire prevention and extinguishment of goafs of underground working surfaces of coal mines are applied to coal mine production as key technology to be urgently solved. Nitrogen fire prevention (mining underground membrane separation nitrogen production device) is regarded as one of the most effective measures by the world major coal-producing countries as a main form of inert gas fire prevention and extinguishing.
The underground membrane separation nitrogen production equipment for mines uses a screw air compressor as an air supply source, and carries out oil removal, dust removal, water removal and constant temperature treatment on air through a compressed air pretreatment section, and then carries out separation and enrichment on the air through a membrane component in a membrane separation section to prepare nitrogen.
With the development of high-yield and high-efficiency coal mining technology, the problem of goaf fire prevention and extinguishment of fully mechanized coal mining face becomes an urgent problem to be solved in coal mine production. Nitrogen injection fire prevention and extinguishing are regarded as effective measures by major coal-producing countries of the world as the main form of inerting fire prevention and extinguishing. The nitrogen making device takes a screw air compressor as an air supply source, and carries out oil removal, dust removal, water removal and constant temperature treatment on the air through a compressed air pretreatment section, and then the air is separated and enriched by a membrane component in a membrane separation section to prepare nitrogen. In the use of nitrogen making device, if the air compressor frequently starts or stops, the consumption of flow can be very big, and the state of air compressor can become empty load, causes the gas waste to the use and life-span of nitrogen making machine cause certain influence, and the air compressor is as the air feed source, and the air feed source is not very stable, and because the temperature is higher, contains partial aqueous vapor in the gas, consequently, needs the air feed auxiliary system of colliery underground membrane separation nitrogen making equipment, improves the quality of compressed gas before the nitrogen making equipment, has avoided because of the air feed source causes the condition of unnecessary economic loss to the ore enterprise.
Disclosure of utility model
In order to solve the problems, the utility model provides an air source auxiliary system of underground coal mine membrane separation nitrogen making equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a colliery is membrane separation nitrogen making equipment air supply auxiliary system in pit, assembles between air compressor machine and membrane nitrogen making equipment, including air storage tank, relief pressure valve, gas flow automatic regulating valve, water trap and gas main line, air storage tank, relief pressure valve, gas flow automatic regulating valve, water trap and membrane nitrogen making equipment pass through the gas main line and communicate in proper order, the air inlet of air storage tank is connected to the air compressor machine gas outlet, the relief pressure valve is assembled in the gas outlet of air storage tank, be equipped with the manometer on the air storage tank, the entrance point of relief pressure valve is equipped with first pressure sensor, the entrance point of gas flow automatic regulating valve is equipped with second pressure sensor.
Further, the water removal device comprises an evacuation valve, a Y-shaped filter and an automatic drainer, a three-way joint is assembled on the gas main pipeline, the water removal device is assembled at one end of the three-way joint, one end of the three-way joint is assembled with the three-way joint through a pipeline, the evacuation valve and the Y-shaped filter are respectively assembled at two ends of the three-way joint, and the automatic drainer is assembled at the lower end of the Y-shaped filter.
Further, the three-way joint and the front part of the gas main pipeline are provided with quick-connection pipe hoops.
Further, the automatic brass ball valve further comprises a gas bypass pipeline, two ends of the gas bypass pipeline are assembled on the gas main pipeline, two ends of the gas bypass pipeline are respectively positioned at two ends of the gas flow automatic regulating valve, and brass ball valves are assembled on the gas bypass pipeline.
Further, the membrane nitrogen making equipment comprises a WS type gas-liquid separator, a first-stage precise filter, a second-stage precise filter and a third-stage precise filter, wherein the WS type gas-liquid separator is communicated with the gas main pipeline, and the WS type gas-liquid separator is sequentially communicated with the first-stage precise filter, the second-stage precise filter and the third-stage precise filter.
The beneficial effects of using the utility model are as follows:
1. The utility model carries out sedimentation and filtration of impurities such as water, oil and the like before the compressed gas enters the nitrogen making machine through the gas source auxiliary system, plays a role in protecting a film component of the subsequent nitrogen making machine, and prolongs the service life of the nitrogen making machine.
2. Through the air source auxiliary system, the service life of the air compressor is prolonged, the energy-saving purpose is achieved, and unnecessary waste of idle energy is reduced.
3. Through setting up gas flow automatic regulating valve, carry out automatically regulated to the circulation of gas in the air supply auxiliary system, guarantee gaseous stability, and then guarantee the high-efficient smooth work of follow-up membrane nitrogen making equipment.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
FIG. 2 is a schematic perspective view of the present utility model after connection to a membrane nitrogen plant.
FIG. 3 is a schematic diagram of the connection of the automatic gas flow regulating valve and the water removing device of the present utility model.
FIG. 4 is a schematic illustration of an automatic regulating flow path of the gas flow automatic regulating valve of the present utility model.
The reference numerals include: 1. the device comprises a pressure gauge 2, an air storage tank 3, a pressure release valve 4, a first pressure sensor 5, a pressure release valve 6, a second pressure sensor 7, an automatic gas flow regulating valve 8, a brass ball valve 9, a water removing device 91, an emptying valve 92, a Y-shaped filter 93, an automatic drainer 10, a WS-shaped gas-liquid separator 11, a primary precise filter 12, a secondary precise filter 13, a tertiary precise filter 14, a gas main pipeline 15, a gas side pipeline 16, a three-way joint 17 and a quick-connection pipe hoop.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, an air source auxiliary system of a coal mine underground membrane separation nitrogen making device is assembled between an air compressor and the membrane nitrogen making device, and comprises an air storage tank 2, a pressure release valve 3, a pressure release valve 5, an automatic gas flow regulating valve 7, a water removing device 9 and a gas main pipeline 14, wherein the air storage tank 2, the pressure release valve 3, the pressure release valve 5, the automatic gas flow regulating valve 7, the water removing device 9 and the membrane nitrogen making device are sequentially communicated through the gas main pipeline 14, an air inlet of the air storage tank 2 is connected to an air outlet of the air compressor, the pressure release valve 3 is assembled at the air outlet of the air storage tank 2, a pressure gauge 1 is assembled on the air storage tank 2, a first pressure sensor 4 is assembled at an inlet end of the pressure release valve 5, and a second pressure sensor 6 is assembled at an inlet end of the automatic gas flow regulating valve 7.
The air storage tank 2 plays a filtering role, is used for carrying out preliminary storage and filtration on air discharged by the air compressor, the compressed gas is stored in the air storage tank 2, precipitation of moisture and oil can be achieved, and the pressure gauge 1 is used for determining the pressure in the air storage tank 2.
The pressure reducing valve 5 plays a role in protecting the gas flow automatic regulating valve 7.
The first pressure sensor 4 and the second pressure sensor 6 are used for acquiring pressure signals.
As shown in fig. 4, the automatic gas flow regulating valve 7 can automatically regulate the flow of gas, and according to the pressure signals collected by the first pressure sensor 4 and the second pressure sensor 6, the electric actuator drives the ball valve stem to rotate by 0-90 degrees to perform part of rotary mechanical action, wherein the ball valve is operated by regulating the current amount in the electric actuator in the automatic gas flow regulating valve 7, the electric actuator inputs and outputs signals 4-20mA and standard signals of 220VAC power supply, and the motor group drives the gear worm wheel and worm to rotate by 0-90 degrees, so that the ball valve stem is turned on and turned off, thereby ensuring the stability of gas and further ensuring the efficient and smooth operation of the subsequent membrane nitrogen making equipment.
The water removing device 9 is used for filtering and removing water in the compressed air, and has the functions of controlling and stabilizing the filtering, so that the membrane nitrogen making work is always and efficiently carried out.
Specifically, as shown in fig. 1 and 3, the water removal device 9 includes an evacuation valve 91, a Y-shaped filter 92 and an automatic drainer 93, the gas main pipeline 14 is provided with a three-way joint 16, the water removal device 9 is provided at one end of the three-way joint 16, one end of the three-way joint 16 is provided with a three-way joint through a pipe, the evacuation valve 91 and the Y-shaped filter 92 are respectively provided at two ends of the three-way joint, and the automatic drainer 93 is provided at the lower end of the Y-shaped filter 92.
Opening the evacuation valve 91 allows venting of the piping gases and impurities prior to initial operation of the apparatus, and closing the evacuation valve 91 after a period of time.
The Y-filter 92 is provided with a metal screen therein to filter out particulate impurities.
The automatic drainer 93 is used for collecting water vapor in the compressed gas, and can drain automatically after full water.
Specifically, as shown in fig. 3, the three-way joint 16 and the gas main pipe 14 are previously equipped with a quick connect pipe clamp 17.
Specifically, as shown in fig. 1 and 3, the brass ball valve 8 is further included in the gas bypass pipe 15, and two ends of the gas bypass pipe 15 are mounted on the gas main pipe 14, and two ends of the gas bypass pipe 15 are respectively located at two ends of the gas flow automatic regulating valve 7, and brass ball valves 8 are mounted on the gas bypass pipe 15.
Compressed gas flows to subsequent components along the gas main pipeline 14 through the gas flow automatic regulating valve 7, and if the gas flow automatic regulating valve 7 fails due to severe underground coal mine environment and inconvenient transportation, the brass ball valve 8 on the gas side pipeline 15 can be used for manually regulating the flow pressure, so that the gas side pipeline 15 and the brass ball valve 8 are of a safety structure relative to the gas flow automatic regulating valve 7.
Specifically, as shown in fig. 2, the membrane nitrogen plant includes a WS-type gas-liquid separator 10, a primary precise filter 11, a secondary precise filter 12, and a tertiary precise filter 13, the WS-type gas-liquid separator 10 being in communication with a gas main line 14, and the WS-type gas-liquid separator 10 being in communication with the primary precise filter 11, the secondary precise filter 12, and the tertiary precise filter 13 in this order.
The foregoing is merely exemplary of the present utility model, and many variations may be made in the specific embodiments and application scope of the utility model by those skilled in the art based on the spirit of the utility model, as long as the variations do not depart from the gist of the utility model.
Claims (5)
1. An air source auxiliary system of underground coal mine membrane separation nitrogen making equipment is assembled between an air compressor and membrane nitrogen making equipment, and is characterized in that: including air storage tank (2), relief valve (3), relief valve (5), gas flow automatic regulating valve (7), water trap (9) and gas main pipeline (14), air storage tank (2), relief valve (3), relief valve (5), gas flow automatic regulating valve (7), water trap (9) and membrane nitrogen making equipment communicate in proper order through gas main pipeline (14), the air inlet of air storage tank (2) is connected to the air compressor machine gas outlet, relief valve (3) assemble in the gas outlet of air storage tank (2), be equipped with manometer (1) on air storage tank (2), the inlet end of relief valve (5) is equipped with first pressure sensor (4), the inlet end of gas flow automatic regulating valve (7) is equipped with second pressure sensor (6).
2. An air source auxiliary system for a coal mine underground membrane separation nitrogen making device as claimed in claim 1, wherein: the water removal device (9) comprises an evacuation valve (91), a Y-shaped filter (92) and an automatic water drain device (93), a three-way joint (16) is assembled on the gas main pipeline (14), the water removal device (9) is assembled at one end of the three-way joint (16), one end of the three-way joint (16) is assembled with a three-way joint through a pipeline, the evacuation valve (91) and the Y-shaped filter (92) are respectively assembled at two ends of the three-way joint, and the automatic water drain device (93) is assembled at the lower end of the Y-shaped filter (92).
3. An air source auxiliary system for a coal mine underground membrane separation nitrogen making device as claimed in claim 2, wherein: the three-way joint (16) and the front part of the gas main pipeline (14) are provided with quick-connection pipe hoops (17).
4. An air source auxiliary system for a coal mine underground membrane separation nitrogen making device as claimed in claim 1, wherein: the automatic brass flow regulating valve further comprises a gas bypass pipeline (15), two ends of the gas bypass pipeline (15) are assembled on the gas main pipeline (14), two ends of the gas bypass pipeline (15) are respectively positioned at two ends of the gas flow automatic regulating valve (7), and brass ball valves (8) are assembled on the gas bypass pipeline (15).
5. An air source auxiliary system for a coal mine underground membrane separation nitrogen making device as claimed in claim 1, wherein: the membrane nitrogen making equipment comprises a WS type gas-liquid separator (10), a first-stage precise filter (11), a second-stage precise filter (12) and a third-stage precise filter (13), wherein the WS type gas-liquid separator (10) is communicated with a gas main pipeline (14), and the WS type gas-liquid separator (10) is sequentially communicated with the first-stage precise filter (11), the second-stage precise filter (12) and the third-stage precise filter (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322996470.5U CN220930871U (en) | 2023-11-07 | 2023-11-07 | Gas source auxiliary system of coal mine underground membrane separation nitrogen making equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322996470.5U CN220930871U (en) | 2023-11-07 | 2023-11-07 | Gas source auxiliary system of coal mine underground membrane separation nitrogen making equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930871U true CN220930871U (en) | 2024-05-10 |
Family
ID=90968943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322996470.5U Active CN220930871U (en) | 2023-11-07 | 2023-11-07 | Gas source auxiliary system of coal mine underground membrane separation nitrogen making equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930871U (en) |
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2023
- 2023-11-07 CN CN202322996470.5U patent/CN220930871U/en active Active
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