CN105570082A - Compound compression device of natural gas filling substation - Google Patents
Compound compression device of natural gas filling substation Download PDFInfo
- Publication number
- CN105570082A CN105570082A CN201610105733.0A CN201610105733A CN105570082A CN 105570082 A CN105570082 A CN 105570082A CN 201610105733 A CN201610105733 A CN 201610105733A CN 105570082 A CN105570082 A CN 105570082A
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- Prior art keywords
- pressure
- voltage terminal
- cooling
- low
- compressor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B25/00—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1006—Adaptations or arrangements of distribution members the members being ball valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a compound compression device of a natural gas filling substation. The compound compression device comprises an inlet, an output, a high-pressure end compressor, a motor, a low-pressure end compressor, a buffer tank, a cooler set and a control valve; at least one grade of compression is respectively arranged in the high-pressure end compressor and the low-pressure end compressor; the cooler set is provided with high-pressure cooling corresponding to the high-pressure end compressor and low-pressure cooling corresponding to the low-pressure end compressor; a pipeline is used for connecting the inlet, the high-pressure end compressor, the high-pressure cooling and the outlet to form a first compression channel for conveying natural gas; a pipeline is used for connecting the inlet, the buffer tank, the low-pressure end compressor, the low-pressure cooling, the high-pressure end compressor, the high-pressure cooling and the outlet to form a second compression channel for conveying the natural gas; and inlets and outlets of the pipelines form conveying channel valves for conveying the natural gas. As the pressure of the natural gas in a tank car is different from that in a tipper, the first compression channel and the second compression channel are respectively used for pressurizing the natural gas in the tank car; and the device can relieve the pressure of the natural gas in the tank car to 0.3 MPa.
Description
Technical field
The present invention relates to a kind of natural gas supply sub-station compound compressed device.
Background technique
Conventional natural gas air entraining substation processand flow process is, tank car draws the rock gas come to measure through discharge column from mother station, after sub-station compressor supercharging, enter caisson store and gas selling machine sell gas, because traditional sub-station compressor is two-stage compression, so there is the rock gas of 3MPa pressure can not lay down, with 20m in tank car
3water capacity tank car is example, has 620m
3rock gas exist in tank car, namely add cost of transportation and decrease the loading of freight waggon.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of natural gas supply sub-station compound compressed device being convenient to control flexibly.
For solving the problems of the technologies described above, the invention provides a kind of natural gas supply sub-station compound compressed device, comprise import, outlet, high voltage terminal compressor, at least one motor, low voltage terminal compressor, knock out drum, cooling battery and some control valves, be provided with at least one stage of compression in high voltage terminal compressor, in low voltage terminal compressor, be also provided with at least one stage of compression;
Described motor is for driving high voltage terminal compressor and low side compressor;
Be provided with in cooling battery at least one-level high pressure corresponding with high voltage terminal compressor cool and with at least one-level low pressure cold corresponding to low voltage terminal compressor but;
Connected the first pressure channel of import, high voltage terminal compressor, the cooling of described high pressure, export mixes transport gas successively by pipeline, the first pressure channel is provided with the first control valve near entrance location;
The second pressure channel of import, knock out drum, low voltage terminal compressor, the cooling of described low pressure, the cooling of high voltage terminal compressor, described high pressure, export mixes transport gas is connected successively by pipeline, second pressure channel is provided with the second control valve near entrance location, and the second pressure channel is provided with the 3rd control valve near high voltage terminal compressor position;
Directly connected the transfer passage of import and export mixes transport gas by pipeline, transfer passage is provided with the 4th control valve.
After adopting such structure, can unload for the pressure difference of rock gas in tank car, utilize the first pressure channel, the second pressure channel carries out supercharging to the rock gas in tank car respectively, this device can be discharged to 0.3MPa the gas pressure in tank car, only remains 80m in 20 cubes of water capacity tank cars
3rock gas.
Technology contents for a more clear understanding of the present invention, below by this natural gas supply sub-station compound compressed device referred to as this device.
The motor of this device is a Double shaft-extension motor, and an output shaft of Double shaft-extension motor is connected by coupling with high voltage terminal compressor, and another output shaft of Double shaft-extension motor is connected by magnetic clutch with low side compressor.
After adopting such structure, can a motoring high voltage terminal compressor and low side compressor be passed through, and utilize running or the closedown of magnetic clutch flexible operating low side compressor.
The high voltage terminal compressor of this device is two stage compression, is respectively the first high pressure compressed and the second high pressure compressed, and described high pressure is cooled to two-stage cooling, is respectively the first high pressure cooling and the cooling of the second high pressure;
Described low voltage terminal boil down to two stage compression, be respectively the first low pressure compression and the compression of the second low pressure, described low pressure is cooled to two-stage cooling, is respectively the first low pressure cooling and the cooling of the second low pressure.
First control valve of this device, the second control valve and the 3rd control valve are all pneumatic ball valve; After adopting such structure, pneumatic ball valve has the fast feature of execution speed.
Accompanying drawing explanation
Fig. 1 is the plan view of this device embodiment.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the schematic diagram of this device embodiment.
Embodiment
As shown in Figures 1 to 3
This device comprises import, outlet, high voltage terminal compressor 1, motor 4, low voltage terminal compressor 2, knock out drum 7, cooling battery 3 and multiple control valve.
High voltage terminal compressor 1 is two stage compression, is respectively the first high pressure compressed 1a and the second high pressure compressed 1b.
Low voltage terminal compressor 2 is two stage compression, is respectively the first low pressure compression 2a and the second low pressure compression 2b.
Be provided with the two-stage high pressure corresponding with high voltage terminal compressor 1 in cooling battery 3 to cool and the two-stage low pressure corresponding with low voltage terminal compressor 2 cools, the cooling of two-stage high pressure is respectively the first high pressure cooling 3a and the second high pressure cooling 3b, and the cooling of two-stage low pressure is respectively the first low pressure cooling 3c and the second low pressure cooling 3d.
Motor 4 is a Double shaft-extension motor 4, and an output shaft of Double shaft-extension motor 4 is connected by coupling 5 with high voltage terminal compressor 1, and another output shaft of Double shaft-extension motor 4 is connected by magnetic clutch 6 with low side compressor.
Connect import, the first high pressure compressed 1a of high voltage terminal compressor 1, the first high pressure cooling 3a, the second high pressure compressed 1b, the second high pressure cooling 3b of cooling battery 3, the first pressure channel of export mixes transport gas successively by pipeline, the first pressure channel is provided with the first control valve 8a near entrance location;
First pressure channel also can be provided with the first branch road, first branch road is directly communicated with end and the outlet of the first high pressure cooling 3a by pipeline, the natural gas via made directly exports outlet to after crossing the first high pressure compressed 1a of high voltage terminal compressor 1 and the first high pressure cooling 3a of cooling battery 3, the first branch road is provided with the first stop valve 9a and the first safety check 10a.
Import is connected successively by pipeline, knock out drum 7, first low pressure compression 2a of low voltage terminal compressor 2, first low pressure cooling 3c of cooling battery 3, second low pressure compression 2b of low voltage terminal compressor 2, second low pressure cooling 3d of cooling battery 3, first high pressure compressed 1a of high voltage terminal compressor 1, first high pressure cooling 3a of cooling battery 3, second high pressure compressed 1b of high voltage terminal compressor 1, second high pressure cooling 3b of cooling battery 3, second pressure channel of export mixes transport gas, second pressure channel is provided with the second control valve 8b near entrance location, second pressure channel is provided with the 3rd control valve 8c (between low voltage terminal compressor 2 and high voltage terminal compressor 1) near high voltage terminal compressor 1 position,
Second pressure channel also can be provided with the second branch road, second branch road is directly communicated with the first low pressure cooling end of 3c and the first high pressure compressed 1a top of high voltage terminal compressor 1 by pipeline, the natural gas via made directly exports the first high pressure compressed 1a top of high voltage terminal compressor 1 to after crossing the first low pressure compression 2a of low voltage terminal compressor 2 and the first low pressure cooling 3c of cooling battery 3, the second branch road is provided with the second stop valve 9b and the second safety check 10b.
In like manner, during the second pressure channel work, the first branch road also can be selected whether to open.
Directly connected the transfer passage of import and export mixes transport gas by pipeline, transfer passage is provided with the 4th control valve 8d.
During use, time seasonable, detect the pressure of rock gas in tank car, select the landline of rock gas according to the pressure of the rock gas in tank car.
If when the rock gas in tank car meets 25MPa (i.e. predetermined value), the first control valve 8a, the second control valve 8b, the 3rd control valve 8c can be closed, open the 4th control valve 8d, rock gas in tank car is directly delivered to outlet from the import of this device through transfer passage, without supercharging operation.
If the rock gas in tank car is slightly larger than 3MPa but when being less than 25MPa, the second control valve 8b, the 3rd control valve 8c, the 4th control valve 8d can be closed, open the first control valve 8a, rock gas in tank car enters this device from import, motor 4 one output shaft energizes high-pressure end compressor 1 operates, another output shaft of motor 4 departs from low voltage terminal compressor 2 and is connected by control magnetic clutch 6, low voltage terminal compressor 2 does not work, after the first high pressure compressed 1a and the second high pressure compressed 1b of high voltage terminal compressor 1, rock gas can reach pressure predetermined value;
But when namely rock gas meets pressure predetermined value after the first high pressure compressed 1a of high voltage terminal compressor 1 and the first high pressure cooling 3a of cooling battery 3, open the first stop valve 9a on the first branch road, make rock gas skip the second high pressure compressed 1b of high voltage terminal compressor 1 and the second high pressure cooling 3b of cooling battery 3, be directly delivered to outlet.
If when the rock gas in tank car is lower than 3MPa, the first control valve 8a can be closed, 4th control valve 8d, open the second control valve 8b and the 3rd control valve 8c, rock gas in tank car enters this device from import, motor 4 one output shaft energizes high-pressure end compressor 1 operates, control magnetic clutch 6 another output shaft of motor 4 is connected with low voltage terminal compressor 2, low voltage terminal compressor 2 works, through low voltage terminal compressor 2 first low pressure compression 2a and the second low pressure compression 2b, after first high pressure compressed 1a of high voltage terminal compressor 1 and the second high pressure compressed 1b, rock gas can reach pressure predetermined value,
The same with the first branch road, when rock gas is after the first low pressure cooling 3c that low voltage terminal compressor 2 first low pressure compresses 2a and cooling battery 3, when rock gas reaches high voltage terminal compressor 1 operating pressure, then can open the second stop valve 9b on the second branch road, make rock gas skip the second low pressure compression 2b of low voltage terminal compressor 2 and the second high pressure cooling 3b of cooling battery 3, be directly delivered to outlet.
First control valve 8a, the second control valve 8b and the 3rd control valve 8c are pneumatic ball valve.
The rock gas flowed out from outlet can be selected low pressure tank A, middle pressure storage tank B, high pressure storage tank C or flow directly into gas selling machine D.
This device in actual use, in order to produce the consideration needed flexibly with secure context, first pressure channel, the second pressure channel, the first branch road, the second branch road also need to arrange various control valve and safety valve, for the routine of related domain is applied, be not particularly illustrated in specification and Figure of description.
Coupling in the present embodiment is trouble-proof tire coupling, and motor is explosion-proof Double shaft-extension motor, and anti-explosion is electromagnetic clutch also selected by magnetic clutch.
Above-described is only one embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, and these also should be considered as belonging to protection scope of the present invention.
Claims (4)
1. a natural gas supply sub-station compound compressed device, it is characterized by: comprise import, outlet, high voltage terminal compressor, at least one motor, low voltage terminal compressor, knock out drum, cooling battery and some control valves, be provided with at least one stage of compression in high voltage terminal compressor, in low voltage terminal compressor, be also provided with at least one stage of compression;
Described motor is for driving high voltage terminal compressor and low side compressor;
Be provided with in cooling battery at least one-level high pressure corresponding with high voltage terminal compressor cool and with at least one-level low pressure cold corresponding to low voltage terminal compressor but;
Connected the first pressure channel of import, high voltage terminal compressor, the cooling of described high pressure, export mixes transport gas successively by pipeline, the first pressure channel is provided with the first control valve near entrance location;
The second pressure channel of import, knock out drum, low voltage terminal compressor, the cooling of described low pressure, the cooling of high voltage terminal compressor, described high pressure, export mixes transport gas is connected successively by pipeline, second pressure channel is provided with the second control valve near entrance location, and the second pressure channel is provided with the 3rd control valve near high voltage terminal compressor position;
Directly connected the transfer passage of import and export mixes transport gas by pipeline, transfer passage is provided with the 4th control valve.
2. natural gas supply sub-station compound compressed device according to claim 1, is characterized in that:
Described motor is a Double shaft-extension motor, and an output shaft of Double shaft-extension motor is connected by coupling with high voltage terminal compressor, and another output shaft of Double shaft-extension motor is connected by magnetic clutch with low side compressor.
3. natural gas supply sub-station compound compressed device according to claim 1, is characterized in that:
Described high voltage terminal compressor is two stage compression, is respectively the first high pressure compressed and the second high pressure compressed, and described high pressure is cooled to two-stage cooling, is respectively the first high pressure cooling and the cooling of the second high pressure;
Described low voltage terminal boil down to two stage compression, be respectively the first low pressure compression and the compression of the second low pressure, described low pressure is cooled to two-stage cooling, is respectively the first low pressure cooling and the cooling of the second low pressure.
4. natural gas supply sub-station compound compressed device according to claim 1, is characterized in that:
First control valve, the second control valve and the 3rd control valve are all pneumatic ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105733.0A CN105570082A (en) | 2016-02-25 | 2016-02-25 | Compound compression device of natural gas filling substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105733.0A CN105570082A (en) | 2016-02-25 | 2016-02-25 | Compound compression device of natural gas filling substation |
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| Publication Number | Publication Date |
|---|---|
| CN105570082A true CN105570082A (en) | 2016-05-11 |
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ID=55880594
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610105733.0A Pending CN105570082A (en) | 2016-02-25 | 2016-02-25 | Compound compression device of natural gas filling substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105570082A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803272A (en) * | 2021-08-22 | 2021-12-17 | 芜湖中燃城市燃气发展有限公司 | Natural gas pressurized conveying device and method |
| KR102526159B1 (en) * | 2022-11-16 | 2023-04-28 | 하베코리아 주식회사 | High-capacity, low-noise type ultra-high pressure piston compressor hydraulic control system for hydrogen filling stations |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08284839A (en) * | 1995-04-12 | 1996-10-29 | Kobe Steel Ltd | Operating method and controller for low temperature gas compressor |
| CN2646418Y (en) * | 2003-08-14 | 2004-10-06 | 四川金星环保科技有限公司 | Nursing substation compressor of energy saving natural automobile |
| CN201588762U (en) * | 2009-04-28 | 2010-09-22 | 江西德莱奥兰机械有限公司 | Screw compression and piston compression tandem-type air compressor |
| CN203836583U (en) * | 2014-04-10 | 2014-09-17 | 安徽省鸿申压缩机有限公司 | Skid-mounted type compressed natural gas automobile gas-adding device |
| CN203962350U (en) * | 2014-06-25 | 2014-11-26 | 四川金科环保科技有限公司 | Associating compressor for natural gas |
| CN205533065U (en) * | 2016-02-25 | 2016-08-31 | 蚌埠市荣强压缩机制造有限公司 | Compound compressor arrangement of natural gas gas substation |
-
2016
- 2016-02-25 CN CN201610105733.0A patent/CN105570082A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08284839A (en) * | 1995-04-12 | 1996-10-29 | Kobe Steel Ltd | Operating method and controller for low temperature gas compressor |
| CN2646418Y (en) * | 2003-08-14 | 2004-10-06 | 四川金星环保科技有限公司 | Nursing substation compressor of energy saving natural automobile |
| CN201588762U (en) * | 2009-04-28 | 2010-09-22 | 江西德莱奥兰机械有限公司 | Screw compression and piston compression tandem-type air compressor |
| CN203836583U (en) * | 2014-04-10 | 2014-09-17 | 安徽省鸿申压缩机有限公司 | Skid-mounted type compressed natural gas automobile gas-adding device |
| CN203962350U (en) * | 2014-06-25 | 2014-11-26 | 四川金科环保科技有限公司 | Associating compressor for natural gas |
| CN205533065U (en) * | 2016-02-25 | 2016-08-31 | 蚌埠市荣强压缩机制造有限公司 | Compound compressor arrangement of natural gas gas substation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803272A (en) * | 2021-08-22 | 2021-12-17 | 芜湖中燃城市燃气发展有限公司 | Natural gas pressurized conveying device and method |
| CN113803272B (en) * | 2021-08-22 | 2023-09-12 | 芜湖中燃城市燃气发展有限公司 | Natural gas pressurized conveying device and method |
| KR102526159B1 (en) * | 2022-11-16 | 2023-04-28 | 하베코리아 주식회사 | High-capacity, low-noise type ultra-high pressure piston compressor hydraulic control system for hydrogen filling stations |
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Application publication date: 20160511 |
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