CN214270781U - Torch combustion gas recovery device - Google Patents
Torch combustion gas recovery device Download PDFInfo
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- CN214270781U CN214270781U CN202021908664.5U CN202021908664U CN214270781U CN 214270781 U CN214270781 U CN 214270781U CN 202021908664 U CN202021908664 U CN 202021908664U CN 214270781 U CN214270781 U CN 214270781U
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Abstract
The utility model relates to the field of fluid conveying equipment, in particular to a flare combustion gas recovery device, which comprises a frame, a control cabinet, a gas collecting pipe, a first coarse dehydration tower and a compression pressurizing assembly, wherein the control cabinet, the gas collecting pipe, the first coarse dehydration tower and the compression pressurizing assembly are arranged in the frame; a PLC is arranged in the control cabinet; the gas collecting pipe is sequentially provided with a pressure transmitter, a pressure gauge and a ball valve from front to back along the conveying direction of the gas source; the air inlet of the first coarse dehydration tower is connected with the tail end of the gas collecting pipe, the lower end of the first coarse dehydration tower is provided with a liquid level meter and a pneumatic valve, the signal output end of the liquid level meter is connected with the signal input end of a PLC, and the control end of the PLC is connected with the controlled end of the pneumatic valve; the compression pressurizing assembly comprises an oil tank, a motor, a hydraulic pump, a control valve block group and a cylinder body assembly.
Description
Technical Field
The utility model relates to a fluid conveying equipment field, a torch combustion gas recovery unit specifically says so.
Background
After the gas well is mined for a long time, the pressure of a well head is slowly reduced to 0.3-2MPa from high pressure, and natural gas (containing a small amount of water) from the gas well needs to be pressurized to be more than 3-3.5MPa and then is conveyed to a treatment station through a long-distance pipeline for centralized treatment. In order to fully excavate the potential of an old well, realize the maximization of yield, improve the final recovery efficiency of a gas reservoir, increase the yield and efficiency and reduce the environmental pollution caused by emptying, the research of a gas recovery device is always a key research object of a gas production enterprise.
At present the gas recovery unit who often adopts is the compression sledge, this type of recovery unit all can only carry gas, because the water that the natural gas wherein exists when the low pressure is unsaturated water, the water content is at 10% -25% inequality, so this type of recovery unit collocation absorption formula water tower uses usually, however small-size double tower adsorbs the dehydration and hardly deals with the well site operating mode, large-scale double tower adsorbs the dehydration on economy and cost, the later stage is changed drier etc. and will be paid out very big cost, because of this kind of operating mode well head is more, the actual well head displacement of every day is unstable, recovery after the complete dry dehydration is in the well that has no practical value meaning to these productivity low wells.
Therefore, how to overcome the above technical problems and disadvantages is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at prior art's not enough, provide a torch combustion gas recovery unit, a recovery unit can be shared to a plurality of gas wells in the station, and recovery unit carries out coarse filtration to the water in the natural gas, contains a small amount of water and compresses the natural gas simultaneously, and the gas after filtration, compression is carried defeated station centralized processing of collection, solves the higher problem of cost that is equipped with the twin-tower absorption dehydration and brings among the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a flare combustion gas recovery device comprises a frame, a control cabinet, a gas collecting pipe, a first coarse dehydration tower and a compression pressurizing assembly, wherein the control cabinet, the gas collecting pipe, the first coarse dehydration tower and the compression pressurizing assembly are arranged in the frame; a PLC is arranged in the control cabinet; the gas collecting pipe is sequentially provided with a pressure transmitter, a pressure gauge and a ball valve from front to back along the gas source conveying direction; the air inlet of the first coarse dehydration tower is connected with the tail end of the gas collecting pipe, the lower end of the first coarse dehydration tower is provided with a liquid level meter and a pneumatic valve, the signal output end of the liquid level meter is connected with the signal input end of a PLC, and the control end of the PLC is connected with the controlled end of the pneumatic valve; the compression pressurizing assembly comprises an oil tank, a motor, a hydraulic pump, a control valve block group and a cylinder body assembly.
Further, the cylinder body assembly comprises an oil cylinder and air cylinders positioned on two sides of the oil cylinder;
the oil cylinder comprises an oil cylinder body, oil seal assemblies are arranged at two ends of the oil cylinder body, an oil cylinder piston and piston rods positioned at two sides of the oil cylinder piston are arranged in the oil cylinder body, the oil cylinder piston is in sealed sliding connection with the oil cylinder body, and two oil holes are formed in the oil cylinder body and are respectively positioned at two sides of the oil cylinder piston;
the air cylinder comprises an air cylinder body, an air cylinder end cover positioned at the end part of the air cylinder body and an air cylinder piston positioned in the air cylinder body, wherein an air seal assembly is arranged at the inner side of the air cylinder end cover close to the oil cylinder, and a displacement sensor, an air inlet and an air outlet are arranged on the air cylinder end cover far away from the oil cylinder;
and one end of the piston rod, which is far away from the oil cylinder piston, penetrates through the oil seal assembly and the air seal assembly and then is fixedly connected with the air cylinder piston in the air cylinder body, and the piston rod is in sealed sliding connection with the oil seal assembly and the air seal assembly.
Furthermore, an oil leakage gap is formed between the oil seal assembly and the air seal assembly, and an oil leakage hole communicated with the oil leakage gap is formed in an air seal end cover close to the oil cylinder.
Furthermore, the oil seal assembly comprises an oil seal retainer ring, an oil seal support and an oil cylinder shaft seal copper ring positioned between the oil seal retainer ring and the oil seal support, and an oil seal sealing ring is arranged on the inner side of the oil cylinder shaft seal copper ring.
Further, the gas seal assembly comprises a cylinder shaft seal copper ring, a check ring and a gas seal sealing ring positioned between the cylinder shaft seal copper ring and the check ring.
Furthermore, a water cylinder body is arranged outside the air cylinder body, two ends of the water cylinder body are respectively in sealing connection with the air cylinder end cover, a cooling liquid containing cavity is formed between the air cylinder body and the water cylinder body, and a cooling liquid inlet and a cooling liquid outlet which are communicated with the cooling liquid containing cavity are formed in the water cylinder body.
And further, the gas generator is further included, and a plurality of second rough dehydration towers and pressure reduction assemblies are arranged between the gas generator and the second exhaust port of the first rough dehydration tower.
Further, a cooler is arranged on the top of the frame.
The utility model discloses a torch combustion gas recovery unit's beneficial effect:
1. the utility model discloses a torch combustion gas recovery unit carries out coarse filtration to the water in the natural gas, contains a small amount of water and compresses the natural gas simultaneously, and defeated station centralized processing of collection is carried to the gas after filtration, compression, solves the higher problem of cost that is equipped with the twin-tower absorption dehydration and brings among the prior art.
2. The unit adopts air cooling and closed circulation water cooling mode cooling, wholly seals skid-mounted, and concrete degree of automation and integration is high, easy operation, operation safe and reliable, maintenance are convenient, practices thrift the operating cost.
3. The cylinder body assembly adopts two effective compressions of side, very big promotion natural gas compression efficiency.
Drawings
FIG. 1 is a schematic view of a flare combustion gas recovery apparatus of the present invention;
FIG. 2 is a schematic view of the internal structure of a flare combustion gas recovery apparatus of the present invention;
FIG. 3 is a schematic structural view of the cylinder assembly of the present invention;
FIG. 4 is an enlarged view of reference character A in FIG. 3;
fig. 5 is a process diagram of the pipeline layout of the present invention.
In the figure: 1-frame, 2-control cabinet, 3-gas collecting pipe, 4-first coarse dehydration tower, 5-gas generator, 6-cooler, 7-pressure transmitter, 8-pressure gauge, 9-ball valve, 10-liquid level meter, 11-pneumatic valve, 12-oil tank, 13-motor, 14-oil cylinder body, 15-oil cylinder piston, 16-piston rod, 17-oil hole, 18-oil seal ring, 19-oil seal support, 20-oil cylinder shaft seal copper ring, 21-oil seal sealing ring, 22-cylinder body, 23-cylinder end cover, 24-cylinder piston, 25-displacement sensor, 26-air inlet, 27-air outlet, 28-cylinder shaft seal copper ring, 29-check ring, 30-air seal sealing ring, 31-oil leakage gap, 32-oil leakage hole, 33-water cylinder body, 34-cooling liquid inlet, 35-cooling liquid outlet, 36-second coarse dehydration tower and 37-pressure reducing component.
Detailed Description
The flare combustion gas recovery apparatus of the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 to 5, the flare combustion gas recovery device of the present embodiment includes a frame 1, and a control cabinet 2, a gas collecting pipe 3, a first coarse dehydration tower 4, a compression and pressurization assembly, a gas generator 5 and a cooler 6 which are arranged in the frame 1;
a PLC is arranged in the control cabinet 2, and the PLC adopts commercially available Siemens sp 30.
The gas collecting pipe 3 is sequentially provided with a pressure transmitter 7, a pressure gauge 8, a ball valve 9, a filter and a throttle valve from front to back along the gas source conveying direction, the pressure transmitter and the pressure gauge are used for displaying the pressure at the inlet of the gas collecting pipe, in addition, the pressure transmitter is an electronic pressure gauge with a display, the pressure transmitter has a transmission function and can remotely transmit pressure data in the gas collecting pipe in real time, and the throttle valve is provided with a bypass valve for overhauling;
first thick dehydration tower 4 adopts spiral separation formula thick dehydration tower, and the air inlet of first thick dehydration tower 4 links to each other with the tail end of discharge 3, and first thick dehydration tower lower extreme is equipped with level gauge 10 and pneumatic valve 11, and PLC's signal input part is connected to level gauge 10 signal output part, and PLC's control end is connected pneumatic valve 11's controlled end, and the level gauge adopts the shanxi Ruizhi product of shopping, and the pneumatic valve adopts the fertile xuanyuan product of comining of shopping.
The compression and pressurization component comprises an oil tank 12, a motor 13, a hydraulic pump, a control valve block group and a cylinder body assembly.
The cylinder body assembly comprises an oil cylinder and air cylinders positioned on two sides of the oil cylinder; the oil cylinder comprises an oil cylinder body 14, oil seal assemblies are arranged at two ends of the oil cylinder body 14, an oil cylinder piston 15 and piston rods 16 positioned at two sides of the oil cylinder piston 15 are arranged in the oil cylinder body 14, the oil cylinder piston 15 is in sealed sliding connection with the oil cylinder body 14, two oil holes 17 are formed in the oil cylinder body 14, and the two oil holes 17 are respectively positioned at two sides of the oil cylinder piston 15; the oil seal assembly comprises an oil seal retainer ring 18, an oil seal support 19 and a cylinder shaft seal copper ring 20 positioned between the oil seal retainer ring 18 and the oil seal support 19, and an oil seal sealing ring 21 is arranged on the inner side of the cylinder shaft seal copper ring 20.
The cylinder comprises a cylinder body 22, a cylinder end cover 23 positioned at the end part of the cylinder body 22 and a cylinder piston 24 positioned in the cylinder body 22, an air seal assembly is arranged at the inner side of the cylinder end cover 23 close to the cylinder, a displacement sensor 25, an air inlet 26 and an air outlet 27 are arranged on the cylinder end cover 23 far away from the cylinder, the air inlet 26 is connected with a first air outlet of the first coarse dehydration tower 4 through a pipeline, and the air outlet 27 is connected with a main conveying pipe network; one end of the piston rod 16 far away from the oil cylinder piston 15 penetrates through the oil seal assembly and the air seal assembly and then is fixedly connected with a cylinder piston 24 in a cylinder body 22 of the cylinder, and the piston rod 16 is in sealed sliding connection with the oil seal assembly and the air seal assembly. The gas seal assembly comprises a cylinder shaft seal copper ring 28, a retainer ring 29 and a gas seal sealing ring 30 positioned between the cylinder shaft seal copper ring 28 and the retainer ring 29.
An oil leakage gap 31 is arranged between the oil seal assembly and the air seal assembly, and an oil leakage hole 32 communicated with the oil leakage gap 31 is arranged on the air seal end cover 23 close to the oil cylinder.
The cylinder body 22 is externally provided with a water cylinder body 33, two ends of the water cylinder body 33 are respectively connected with the cylinder end cover 23 in a sealing manner, a cooling liquid accommodating cavity is formed between the cylinder body 22 and the water cylinder body 33 in an enclosing manner, and the water cylinder body 33 is provided with a cooling liquid inlet 34 and a cooling liquid outlet 35 which are communicated with the cooling liquid accommodating cavity.
Set up a plurality of second thick dehydration towers 36 and pressure reducing component 37 between the second gas vent of gas generator 5 and first thick dehydration tower 4, second thick dehydration tower 36 is the same with the structure of first thick dehydration tower 4, and pressure reducing component includes voltage regulator, ball valve, relief valve and pressure transmitter, and wherein the voltage regulator is north river forever, and the ball valve is Shanghai worker, and the relief valve is north river forever, and pressure transmitter is Shanxi Rui wisdom.
The cooler 6 comprises a finned tube support, a radiating finned tube, a water tank and a fan, wherein the finned tube support fixes the radiating finned tube at the top of the frame, the water tank is embedded in a finned tube reserved space, three sides of the water tank are blocked, one side of the water tank is hollow, the fan is arranged on a bottom plate of the finned tube support and is fixed by bolt welding, and the bottom plate is provided with an air inlet.
The utility model discloses as follows at the operation principle:
1. gathering natural gas in a plurality of gas wells in the station at a gas collecting pipe through a pipeline;
2. under the action of the first coarse dehydration tower, primarily purifying water and solid impurities in the natural gas, discharging sewage generated in the purification process through a sewage pipe, leading a first path of the primarily purified natural gas to a compression supercharging assembly, leading another path of the primarily purified natural gas to a gas generator through a plurality of second coarse dehydration towers and decompression assemblies, and supplying electric power to field station equipment by the gas generator;
3. in the compression pressurizing assembly, an output shaft of a motor is connected with an oil pump through a coupler, the hydraulic pump is connected with an oil tank through a high-pressure hose, an oil outlet of the hydraulic pump is connected with a first oil inlet of a control valve block group through an oil pipe, a second oil outlet of a first oil outlet on the control valve block group is respectively connected with two oil holes of an oil cylinder through two pipelines, a third oil outlet of the valve block group is provided with an oil return pipe, and the oil return pipe is connected with a cooler and finally returns to the oil tank. And a pressure relief valve is arranged beside the second oil outlet of the control valve block group and used for oil way fault maintenance. The compressed natural gas passes through a pipeline conveying pipe network.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes may be made to the specific embodiments without departing from the concept of the present invention, and various combinations of the technical features and structures of the present invention may be implemented without departing from the scope of the present invention.
Claims (8)
1. The utility model provides a torch combustion gas recovery unit which characterized in that: the device comprises a frame, and a control cabinet, a gas collecting pipe, a first rough dehydration tower and a compression pressurization assembly which are arranged in the frame; a PLC is arranged in the control cabinet; the gas collecting pipe is sequentially provided with a pressure transmitter, a pressure gauge and a ball valve from front to back along the gas source conveying direction; the air inlet of the first coarse dehydration tower is connected with the tail end of the gas collecting pipe, the lower end of the first coarse dehydration tower is provided with a liquid level meter and a pneumatic valve, the signal output end of the liquid level meter is connected with the signal input end of a PLC, and the control end of the PLC is connected with the controlled end of the pneumatic valve; the compression pressurizing assembly comprises an oil tank, a motor, a hydraulic pump, a control valve block group and a cylinder body assembly.
2. The flare combustion gas recovery apparatus of claim 1, wherein: the cylinder body assembly comprises an oil cylinder and air cylinders positioned on two sides of the oil cylinder;
the oil cylinder comprises an oil cylinder body, oil seal assemblies are arranged at two ends of the oil cylinder body, an oil cylinder piston and piston rods positioned at two sides of the oil cylinder piston are arranged in the oil cylinder body, the oil cylinder piston is in sealed sliding connection with the oil cylinder body, and two oil holes are formed in the oil cylinder body and are respectively positioned at two sides of the oil cylinder piston;
the air cylinder comprises an air cylinder body, an air cylinder end cover positioned at the end part of the air cylinder body and an air cylinder piston positioned in the air cylinder body, wherein an air seal assembly is arranged at the inner side of the air cylinder end cover close to the oil cylinder, and a displacement sensor, an air inlet and an air outlet are arranged on the air cylinder end cover far away from the oil cylinder;
and one end of the piston rod, which is far away from the oil cylinder piston, penetrates through the oil seal assembly and the air seal assembly and then is fixedly connected with the air cylinder piston in the air cylinder body, and the piston rod is in sealed sliding connection with the oil seal assembly and the air seal assembly.
3. A flare combustion gas recovery apparatus as defined in claim 2, wherein: an oil leakage gap is formed between the oil seal assembly and the air seal assembly, and an oil leakage hole communicated with the oil leakage gap is formed in an air seal end cover close to the oil cylinder.
4. A flare combustion gas recovery apparatus as defined in claim 2, wherein: the oil seal assembly comprises an oil seal retainer ring, an oil seal support and an oil cylinder shaft seal copper ring positioned between the oil seal retainer ring and the oil seal support, and an oil seal sealing ring is arranged on the inner side of the oil cylinder shaft seal copper ring.
5. A flare combustion gas recovery apparatus as defined in claim 2, wherein: the air seal assembly comprises a cylinder shaft seal copper ring, a check ring and an air seal sealing ring positioned between the cylinder shaft seal copper ring and the check ring.
6. A flare combustion gas recovery apparatus as defined in claim 2, wherein: the cylinder body is externally provided with a water cylinder body, two ends of the water cylinder body are respectively connected with the cylinder end covers in a sealing mode, a cooling liquid containing cavity is formed between the cylinder body and the water cylinder body, and the water cylinder body is provided with a cooling liquid inlet and a cooling liquid outlet which are communicated with the cooling liquid containing cavity.
7. The flare combustion gas recovery apparatus of claim 1, wherein: the gas generator is arranged between the gas generator and the second exhaust port of the first coarse dehydration tower, and a plurality of second coarse dehydration towers and pressure reduction assemblies are arranged between the gas generator and the second exhaust port of the first coarse dehydration tower.
8. The flare combustion gas recovery apparatus of claim 1, wherein: and a cooler is arranged at the top of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021908664.5U CN214270781U (en) | 2020-09-03 | 2020-09-03 | Torch combustion gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021908664.5U CN214270781U (en) | 2020-09-03 | 2020-09-03 | Torch combustion gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214270781U true CN214270781U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021908664.5U Active CN214270781U (en) | 2020-09-03 | 2020-09-03 | Torch combustion gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214270781U (en) |
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2020
- 2020-09-03 CN CN202021908664.5U patent/CN214270781U/en active Active
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