CN207048936U - The recovery system of natural gas compressor - Google Patents
The recovery system of natural gas compressor Download PDFInfo
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- CN207048936U CN207048936U CN201720662538.8U CN201720662538U CN207048936U CN 207048936 U CN207048936 U CN 207048936U CN 201720662538 U CN201720662538 U CN 201720662538U CN 207048936 U CN207048936 U CN 207048936U
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Abstract
The utility model discloses a kind of recovery system of natural gas compressor, including：Compressor main body part, it includes at least two cylinders, and at least two cylinders include first order cylinder and second level cylinder, and the gas pressure that second level cylinder can compress is more than the gas pressure that first order cylinder can compress；Recycling can, the gas after oil water separator separation for reclaiming compressed owner's body portion；First valve, it is arranged on the first admission line, the air inlet of the first admission line connection recycling can and first order cylinder；Second valve, it is arranged on the second admission line, the air inlet of the second admission line connection recycling can and second level cylinder.The recovery system of natural gas compressor of the present utility model can be by the gases with total recovery in recycling can, and then the purpose of zero-emission reduces pollution of the discharge gas to environment.
Description
Technical field
Compressed natural gas field is the utility model is related to, more particularly to a kind of recovery system of natural gas compressor.
Background technology
It is as follows in the flow of natural gas filling station processing natural gas：The natural gas transmitted from natural gas line is carried out
The techniques such as desulfurization, dehydration, compressed subsequently into natural gas compressor, the natural gas injection gas cylinder group after compression is stored or passed through
Gas selling machine is to refueling.
Natural gas natural gas gas and Cylinder lubricating in compression, cooling, separation process（It is used to lubricate cylinder friction pair
Lubricating oil）Profit can be formed, therefore recovery system need to be set to reclaim the natural gas gas of pollution.
As shown in figure 1, it is the structural representation of the recovery system of natural gas compressor in conventional art.Traditional day
The recovery system of right air compressor includes compressor main body part 101 and recycling can 102.Compressor main body part 101 is integrated in
On base 103, recycling can 102 is placed on the side of base 103.Oil water separator in compressor main body part 101 is by greasy dirt
Separated, the profit after separation is discharged into recycling can 102 by blowdown pipeline 104.Due to the volume mistake of recycling can 102
It is small, cause pressure rise in recycling can 102, the operating pressure of the cylinder of compressor main body part 101 is less than in recycling can
Pressure, and recovery can not be compressed to the gas in recycling can 102.Therefore, it is necessary to the gas in recycling can 102 is evacuated drop
Push back receipts.If be directly depressured the natural gas discharge in recycling can 102, substantial amounts of natural gas is wasted, at the same it is dirty to environment
Dye.
Utility model content
It can not effectively be reclaimed, be wasted substantial amounts of in order to solve the natural gas present in conventional art in recycling can
Natural gas problem, the utility model provide a kind of recovery system of natural gas compressor.
A kind of recovery system of natural gas compressor is provided, including：
Compressor main body part, it includes at least two cylinders, at least two cylinder include first order cylinder and
Second level cylinder, the gas pressure that the second level cylinder can compress are more than the gas pressure that first order cylinder can compress；
Recycling can, for reclaiming the gas after the oil water separator separation of the compressor main body part；
First valve, it is arranged on the first admission line, first admission line connects the recycling can and described the
The air inlet of one-level cylinder；
Second valve, it is arranged on the second admission line, second admission line connects the recycling can and described the
The air inlet of secondary cylinder；
When the pressure of the recycling can exceedes default ceiling value, first valve is closed, and the second valve is opened, institute
The gas stated in recycling can is compressed recovery into second level cylinder；
When the pressure of the recycling can is recovered to normal value, first valve is opened, and second valve is closed, institute
The gas stated in recycling can is compressed recovery into first order cylinder.
Optionally, the compressor main body part includes the Imported gas end being connected with natural gas line, described natural
The pipeline connected between the air inlet of gas entrance point and the first order cylinder is provided with intake valve, the pressure in the recycling can
When power raises, the intake valve is closed, when the pressure of the recycling can is down to normal value, opens compression described in the intake valve
Owner's body portion enters normal operating condition.
Optionally, the Single port of first admission line is connected to the pipe between the intake valve and first cylinder
Lu Shang, the another port of first admission line connect the recycling can.
Optionally, the compressor main body part includes four cylinders, respectively one-level cylinder, secondary cylinder, three-level gas
Cylinder and level Four cylinder, the one-level cylinder, secondary cylinder, three-stage cylinder and level Four cylinder according to gas flow through pipeline according to
Secondary connection, the first order cylinder are one-level cylinder, and the second level cylinder is secondary cylinder.
Optionally, the compressor main body part includes multiple oil water separators, the multiple oil water separator point
It is not distributed between one-level cylinder and secondary cylinder, between three-stage cylinder and level Four cylinder, between level Four cylinder and recycling can.
Optionally, the compressor main body part also includes a sewage draining exit, and the sewage draining exit is by the multiple water-oil separating
The profit that device is isolated is discharged into Water Tank.
Optionally, first valve and second valve are pneumatic ball valve or magnetic valve.
Optionally, the compressor main body is partially integrated in casing, and the recycling can is arranged in the top of the casing
Or in casing.
Optionally, the recycling can includes two tank bodies, and described two tank bodies are located in top or the casing of the casing,
Described two tank bodies connect with first admission line and the second admission line.
The technical scheme that embodiment of the present utility model provides can include the following benefits：
The utility model on the first admission line for being connected between the air inlet and recycling can of first order cylinder by setting
Put and the second valve is set on the first valve, and the second admission line connected between the air inlet and recycling can of second level cylinder
Door, therefore, when the hypertonia in recycling can, by way of opening the second valve, close the first valve, control recycling can
The flow direction of middle gas, the gas of hypertonia in recycling can is set to be compressed and reclaim by second level cylinder, without that will return
Gas in closed cans carries out recycling after release decompression, and then the gases with total recovery in recycling can be reached into zero-emission
Purpose, reduce pollution of the discharge gas to environment.
It should be appreciated that the general description and following detailed description of the above are only exemplary, this can not be limited
Utility model.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, show meet it is of the present utility model
Embodiment, and in specification together for explaining principle of the present utility model.
Fig. 1 is the structural representation of the recovery system of natural gas compressor in conventional art.
Fig. 2 is the pipeline connection diagram of the recovery system of natural gas compressor of the present utility model.
Fig. 3 is the structural representation of the recovery system of natural gas compressor of the present utility model.
Embodiment
In order to further illustrate principle and structure of the present utility model, it is preferable to carry out in conjunction with accompanying drawing to of the present utility model
Example is described in detail.
As shown in Fig. 2 its pipeline connection diagram for the recovery system of natural gas compressor of the present utility model.Naturally
The recovery system 10 of air compressor includes compressor main body part 11, recycling can 12, connection compressor main body part 11 and recovery
The first admission line 131 and the second admission line 132 of tank 12.
Compressor main body part 11 is connected by Imported gas end 111 with natural gas line, to be obtained from natural gas line
Take natural gas to be compressed.Natural gas enters in compressor main body part 11 and after multi-stage compression, passes through exhaust port side 112
Natural gas after compression is inputted into gas bomb.
Greasy dirt caused by natural gas and Cylinder lubricating in compressor main body part 11 is after oil water separator 114, oil
Water is discharged into Water Tank by sewage draining exit 113, and gas is back in recycling can 12.
Compressor main body part 11 includes at least two cylinders, and at least two cylinders include first order cylinder and second level gas
Cylinder, wherein, the operating pressure of second level cylinder is more than the operating pressure of the first cylinder, that is, what second level cylinder can compress
Gas pressure is more than the gas pressure that first order gas can compress.
In one embodiment, as shown in Fig. 2 compressor main body part 11 includes four cylinders, respectively one-level gas
Cylinder 115a, secondary cylinder 115b, three-stage cylinder 115c and level Four cylinder 115d.One-level cylinder 115a, secondary cylinder 115b, three-level
Cylinder 115c and level Four cylinder 115d is sequentially connected according to the pipeline that flows through of gas so that the gas in natural gas line
Body after one-level cylinder 115a, secondary cylinder 115b, three-stage cylinder 115c and level Four cylinder 115d compression, flows into storage successively
In gas cylinder.Those multiple cylinders are with the increase of rank, its operating pressure（The gas pressure discharged after cylinder compression）Also with
Increase, i.e. one-level cylinder 115a operating pressure is less than secondary cylinder 115b operating pressure, secondary cylinder 115b work
Pressure is less than three-stage cylinder 115c operating pressure, and three-stage cylinder 115c operating pressure is less than level Four cylinder 115d work pressure
Power.Wherein, first order cylinder can be one-level cylinder 115a, and second level cylinder can be secondary cylinder 115b.
First admission line 131 connection one-level cylinder 115a air inlet and recycling can 12.In first admission line 131
Between position be provided with the first valve 141, the first valve 141 is used to control the gas flow for flowing through the first admission line 131.
The pipeline connected between Imported gas end 111 and one-level cylinder 115a air inlet is provided with intake valve 116, enters
Air valve 116 is used for the gas flow for controlling natural gas to flow into compressor main body part 11.The Single port of first admission line 131 and pipe
Road 117 is connected, and pipeline 117 connects intake valve 116 and one-level cylinder 115a air inlet, the first admission line 131 it is another
Port is connected with recycling can 12.Gas in recycling can 12 is after the first admission line 131 and pipeline 117, into one-level gas
Cylinder 115a, recovery is compressed by one-level cylinder 115a.
Second admission line 132 connection secondary cylinder 115b air inlet and recycling can 12.In second admission line 132
Between position be provided with the second valve 142, the second valve 142 is used to control the gas flow for flowing through the second admission line 132.Recycling can
Gas in 12, into secondary cylinder 115b, recovery is compressed by secondary cylinder 115b after the second admission line 132.
Multiple oil water separators 114 are respectively distributed between one-level cylinder 115a and secondary cylinder 115b, three-stage cylinder
Between 115c and level Four cylinder 115d, and between level Four cylinder 115d and recycling can 12.
The above-mentioned valve 142 of first valve 141 and second may each be pneumatic ball valve or magnetic valve.
When 11 normal operation of compressor main body part, the first valve 141 is opened, the second valve 142 is closed, makes recycling can
Gas in 12 is flowed into one-level cylinder 115a by the first admission line 131, and is compressed by one-level cylinder 115a.
In the operation of compressor main body part 11, when the pressure in recycling can 12 is continuously increased, and increase to default
Ceiling value when, close the valve 141 of intake valve 116 and first, open the second valve 142, make the gases at high pressure in recycling can 12
Secondary cylinder 115b is entered by the second admission line 132, secondary cylinder 115b is compressed to the gas in recycling can 12.
When being started shooting again after compressor main body part 11 is shut down, the second valve 142 is opened, the first valve 141 is closed, makes
Gas in recycling can 12 enters secondary cylinder 115 by the second admission line 132.Pressure in tank 12 to be recycled is recovered to just
During constant value, the valve 141 of intake valve 116 and first is opened, closes the second valve 142, compressor main body part 11 enters normal fortune
Row state.
The utility model on the first admission line for being connected between the air inlet and recycling can of first order cylinder by setting
Put and the second valve is set on the first valve, and the second admission line connected between the air inlet and recycling can of second level cylinder
Door, therefore, when the hypertonia in recycling can, by way of opening the second valve, close the first valve, control recycling can
The flow direction of middle gas, the gas of hypertonia in recycling can is set to be compressed and reclaim by second level cylinder, without that will return
Gas in closed cans carries out recycling after release decompression, and then the gases with total recovery in recycling can be reached into zero-emission
Purpose, reduce pollution of the discharge gas to environment.
As shown in figure 3, its structural representation for the recovery system of natural gas compressor of the present utility model.Compress owner
Body portion 11 is integrated in casing 15, and recycling can 12 is arranged in the top of casing 15.
Compressor main body part 11 and recycling can 12 are arranged in levels, with recycling can is placed on into compression in conventional art
The side of owner's body portion, and recycling can reduces natural compared with the scheme that compressor main body part is connected by long pipe runs
The floor space of the recovery system of air compressor, and be laid out compacter.
Recycling can 12 includes two tank bodies, and traverse is in the top of casing 15 side by side for two tank bodies, and two tank bodies are with
One admission line 131 connects with the second admission line 132.In the case where ensureing that total measurement (volume) is constant, two tank bodies are set, can be fitted
When the area of section for reducing single tank body, tank body is facilitated to be integrated in the top of casing 15, and ensure the stationarity of tank body.
In addition, in another embodiment, recycling can 12 can also be integrated in the inside of casing 15.
Preferable possible embodiments of the present utility model are these are only, not limit the scope of protection of the utility model, all fortune
Changed with the equivalent structure made by the utility model specification and accompanying drawing content, be all contained in the scope of protection of the utility model
It is interior.
Claims (9)
- A kind of 1. recovery system of natural gas compressor, it is characterised in that including：Compressor main body part：It includes at least two cylinders, and at least two cylinder includes first order cylinder and second Level cylinder, the gas pressure that the second level cylinder can compress are more than the gas pressure that first order cylinder can compress；Recycling can, for reclaiming the gas after the oil water separator separation of the compressor main body part；First valve, it is arranged on the first admission line, first admission line connects the recycling can and the first order The air inlet of cylinder；Second valve, it is arranged on the second admission line, second admission line connects the recycling can and the second level The air inlet of cylinder；When the pressure of the recycling can exceedes default ceiling value, first valve is closed, and the second valve is opened, described time Gas in closed cans is compressed recovery into second level cylinder；When the pressure of the recycling can is recovered to normal value, first valve is opened, and second valve is closed, described time Gas in closed cans is compressed recovery into first order cylinder.
- 2. the recovery system of natural gas compressor according to claim 1, it is characterised in that the compressor main body part Including the Imported gas end being connected with natural gas line, the air inlet of the Imported gas end and the first order cylinder it Between the pipeline that connects be provided with intake valve, during pressure rise in the recycling can, close the intake valve, treat the recovery When the pressure of tank is down to normal value, opens compressor main body part described in the intake valve and enter normal operating condition.
- 3. the recovery system of natural gas compressor according to claim 2, it is characterised in that first admission line Single port is connected on the pipeline between the intake valve and the first order cylinder, the another port of first admission line Connect the recycling can.
- 4. the recovery system of natural gas compressor according to claim 1, it is characterised in that the compressor main body part Including four cylinders, respectively one-level cylinder, secondary cylinder, three-stage cylinder and level Four cylinder, the one-level cylinder, two level gas Cylinder, three-stage cylinder and level Four cylinder are sequentially connected according to the pipeline that flows through of gas, and the first order cylinder is one-level cylinder, The second level cylinder is secondary cylinder.
- 5. the recovery system of natural gas compressor according to claim 1, it is characterised in that the compressor main body part Including multiple oil water separators, the multiple oil water separator is respectively distributed between one-level cylinder and secondary cylinder, three Between level cylinder and level Four cylinder, between level Four cylinder and recycling can.
- 6. the recovery system of natural gas compressor according to claim 5, it is characterised in that the compressor main body part Also include a sewage draining exit, the profit that the multiple oil water separator is isolated is discharged into Water Tank by the sewage draining exit.
- 7. the recovery system of natural gas compressor according to claim 1, it is characterised in that first valve and described Second valve is pneumatic ball valve or magnetic valve.
- 8. the recovery system of natural gas compressor according to claim 1, it is characterised in that the compressor main body part It is integrated in casing, the recycling can is arranged in top or the casing of the casing.
- 9. the recovery system of natural gas compressor according to claim 8, it is characterised in that the recycling can includes two Tank body, described two tank bodies are located in top or the casing of the casing, described two tank bodies with first admission line Connected with the second admission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662538.8U CN207048936U (en) | 2017-06-08 | 2017-06-08 | The recovery system of natural gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662538.8U CN207048936U (en) | 2017-06-08 | 2017-06-08 | The recovery system of natural gas compressor |
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| Publication Number | Publication Date |
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| CN207048936U true CN207048936U (en) | 2018-02-27 |
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ID=61492040
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720662538.8U Active CN207048936U (en) | 2017-06-08 | 2017-06-08 | The recovery system of natural gas compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848208A (en) * | 2019-12-02 | 2020-02-28 | 内蒙古科技大学 | Pneumatic integrated system based on exhaust recovery and control method thereof |
-
2017
- 2017-06-08 CN CN201720662538.8U patent/CN207048936U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848208A (en) * | 2019-12-02 | 2020-02-28 | 内蒙古科技大学 | Pneumatic integrated system based on exhaust recovery and control method thereof |
| CN110848208B (en) * | 2019-12-02 | 2021-11-23 | 内蒙古科技大学 | Pneumatic integrated system based on exhaust recovery and control method thereof |
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