CN204420563U - Gas-pressed equipment - Google Patents
Gas-pressed equipment Download PDFInfo
- Publication number
- CN204420563U CN204420563U CN201520057112.0U CN201520057112U CN204420563U CN 204420563 U CN204420563 U CN 204420563U CN 201520057112 U CN201520057112 U CN 201520057112U CN 204420563 U CN204420563 U CN 204420563U
- Authority
- CN
- China
- Prior art keywords
- gas
- compression cylinder
- delivery outlet
- outlet
- control valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 92
- 230000006835 compression Effects 0.000 claims abstract description 63
- 238000007906 compression Methods 0.000 claims abstract description 63
- 239000007789 gas Substances 0.000 claims abstract description 55
- 239000003345 natural gas Substances 0.000 claims abstract description 46
- 239000000945 filler Substances 0.000 claims abstract description 32
- 239000002828 fuel tank Substances 0.000 claims abstract description 17
- 230000008676 import Effects 0.000 claims abstract description 11
- 239000011435 rock Substances 0.000 claims description 7
- 230000006837 decompression Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 10
- 239000003921 oil Substances 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 5
- 239000003949 liquefied natural gas Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a kind of gas-pressed equipment, described gas-pressed equipment comprises control valve, and described control valve is provided with filler opening, return opening, the first delivery outlet and the second delivery outlet; Also comprise suction booster, the import of described suction booster is connected with fuel tank, and described supercharging delivery side of pump connects described filler opening; Also comprise the first compression cylinder and the second compression cylinder, described first compression cylinder is connected with described second delivery outlet with described first delivery outlet respectively with one end of described second compression cylinder, and the other end of described first compression cylinder and described second compression cylinder is connected to low pressure natural gas container and high-pressure natural gas container; Described first compression cylinder and described second compression cylinder are separately installed with position transducer; Control valve described in described position transducer connection control.The utility model drives two compression cylinder alternations to continue supercharging by control valve, gas pressure can be pressurized to 320bar, thus meets the demand of motor to high-pressure air source.
Description
Technical field
The utility model relates to natural gas engine technical field, particularly relates to a kind of gas-pressed equipment.
Background technique
Rock gas, as vehicular energy, mainly contains two kinds of chemical forms, and one is LNG Liquefied natural gas (LNG), and pressure maximum is about 15bar; One is compressed natural gas (CNG), and pressure is higher is about 220bar, but the use pressure of compressed natural gas (CNG) constantly can reduce along with consumption.For the natural gas engine of high pressure direct injection type, rock gas needs to continue to meet certain pressure, therefore the pressure of high-pressure air source and pressurize measure extremely important.
Summary of the invention
Technical problem to be solved in the utility model is to provide one can continue pressurised natural gas, meet motor to high-pressure air source needs gas-pressed equipment, gas pressure can be pressurized to 320bar.
For solving the problems of the technologies described above, the technical solution of the utility model is: gas-pressed equipment, and for being high-pressure natural gas by low pressure natural gas supercharging, comprise control valve, described control valve is provided with filler opening, return opening, the first delivery outlet and the second delivery outlet; Also comprise suction booster, the import of described suction booster is connected with fuel tank, and described supercharging delivery side of pump connects described filler opening, and described fuel tank is connected with described return opening; Also comprise the first compression cylinder and the second compression cylinder, described first compression cylinder is connected with described second delivery outlet with described first delivery outlet respectively with one end of described second compression cylinder, the other end of described first compression cylinder and described second compression cylinder is respectively equipped with Imported gas and gas outlet, described Imported gas connects low pressure natural gas container, and described gas outlet connects high-pressure natural gas container; Described Imported gas and described gas outlet are respectively equipped with import one-way valve and Outlet check valves; One end that described first compression cylinder and described second compression cylinder are positioned at described Imported gas and gas outlet is separately installed with the position transducer detecting compression cylinder inner carrier position signal; Control valve described in described position transducer connection control.
As preferred technological scheme, described control valve is three position four-way directional control valve, and when described three position four-way directional control valve is in meta, described filler opening, return opening, the first delivery outlet and the second delivery outlet are all in closed state; When described three position four-way directional control valve is in upper, described filler opening, return opening, the first delivery outlet and the second delivery outlet are all in open mode, and described filler opening is communicated with described second delivery outlet, and described return opening is communicated with described first delivery outlet; When described three position four-way directional control valve is in bottom, described filler opening, return opening, the first delivery outlet and the second delivery outlet are all in open mode, and described filler opening is communicated with described first delivery outlet, and described return opening is communicated with described second delivery outlet.
As the improvement to technique scheme, between described gas outlet and described high-pressure natural gas container, be provided with rock gas cooler.
As the improvement to technique scheme, between described return opening and described fuel tank, be provided with oil cooler.
As the improvement to technique scheme, described supercharging delivery side of pump is provided with relief tube, and described relief tube connects described fuel tank, and described relief tube is provided with Decompression valves.
As the further improvement to technique scheme, in the outlet line of described suction booster, on the outlet pipe of described low pressure natural gas container and on the air inlet pipeline of described high-pressure natural gas container, be respectively equipped with pressure-temperature sensor.
Owing to have employed technique scheme, gas-pressed equipment, comprises control valve, and described control valve is provided with filler opening, return opening, the first delivery outlet and the second delivery outlet; Also comprise suction booster, the import of described suction booster is connected with fuel tank, and described supercharging delivery side of pump connects described filler opening, and described fuel tank is connected with described return opening; Also comprise the first compression cylinder and the second compression cylinder, described first compression cylinder is connected with described second delivery outlet with described first delivery outlet respectively with one end of described second compression cylinder, the other end of described first compression cylinder and described second compression cylinder is respectively equipped with Imported gas and gas outlet, described Imported gas connects low pressure natural gas container, and described gas outlet connects high-pressure natural gas container; Described Imported gas and described gas outlet are respectively equipped with import one-way valve and Outlet check valves; One end that described first compression cylinder and described second compression cylinder are positioned at described Imported gas and gas outlet is separately installed with the position transducer detecting compression cylinder inner carrier position signal; Control valve described in described position transducer connection control; The utility model has following beneficial effect: drive two compression cylinder alternations to continue pressurised natural gas by described control valve, gas pressure can be pressurized to 320bar, and be stored in gas cylinder, thus meet the demand of motor to high-pressure air source; By the working state of described position transducer and described pressure-temperature sensor detection device, and control the on off state of described control valve, automation supercharging operation can be realized and ensure job safety; Overall construction design is simple, and using method is easy, is suitable for applying.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural principle schematic diagram of the utility model embodiment;
In figure: 100-control valve; 101-filler opening; 102-return opening; 103-first delivery outlet; 104-second delivery outlet; 200-suction booster; 201-relief tube; 202-Decompression valves; 300-fuel tank; 400-first compression cylinder; 500-second compression cylinder; 401,501-Imported gas; 402,502-gas outlet; 403,503-import one-way valve; 404,504-Outlet check valves; 600-low pressure natural gas container; 700-high-pressure natural gas container; 801,802-position transducer; 900-rock gas cooler; 1000-oil cooler; 2000-pressure-temperature sensor.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art can recognize, when not departing from spirit and scope of the present utility model, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As shown in Fig. 1, gas-pressed equipment, for being high-pressure natural gas by low pressure natural gas supercharging, comprises control valve 100, and described control valve 100 is provided with filler opening 101, return opening 102, first delivery outlet 103 and the second delivery outlet 104; Also comprise suction booster 200, the import of described suction booster 200 is connected with fuel tank 300, and the outlet of described suction booster 200 connects described filler opening 101, and described fuel tank 300 is connected with described return opening 102; The outlet of described suction booster 200 is provided with relief tube 201, and described relief tube 201 connects described fuel tank 300, and described relief tube 201 is provided with Decompression valves 202; Also comprise the first compression cylinder 400 and the second compression cylinder 500, described first compression cylinder 400 is connected with described second delivery outlet 104 with described first delivery outlet 103 respectively with one end of described second compression cylinder 500, the other end of described first compression cylinder 400 and described second compression cylinder 500 is respectively equipped with Imported gas 401,501 and gas outlet 402,502, described Imported gas 401,501 connects low pressure natural gas container 600 respectively, and described gas outlet 402,502 connects high-pressure natural gas container 700 respectively; Described Imported gas 401,501 and described gas outlet 402,502 are respectively equipped with import one-way valve 403,503 and Outlet check valves 404,504; One end that described first compression cylinder 400 and described second compression cylinder 500 are positioned at described Imported gas and gas outlet is separately installed with the position transducer 801,802 detecting compression cylinder inner carrier position signal; Described position transducer 801,802 is control valve 100 described in connection control respectively.
Wherein, described control valve 100 adopts three position four-way directional control valve, and when described three position four-way directional control valve is in meta, described filler opening 101, return opening 102, first delivery outlet 103 and the second delivery outlet 104 are all in closed state; When described three position four-way directional control valve is in upper, described enter filler opening 101, return opening 102, first delivery outlet 103 and the second delivery outlet 104 be all in open mode, and described filler opening 101 is communicated with described second delivery outlet 104, described return opening 102 is communicated with described first delivery outlet 103; When described three position four-way directional control valve is in bottom, described filler opening 101, return opening 102, first delivery outlet 103 and the second delivery outlet 104 are all in open mode, and described filler opening 101 is communicated with described first delivery outlet 103, described return opening 102 is communicated with described second delivery outlet 104.
In order to avoid the hydraulic oil after acting and the natural gas temperature after supercharging raise, rock gas cooler 900 is provided with between described gas outlet 402,502 and described high-pressure natural gas container 700, oil cooler 1000 is provided with between described return opening 102 and described fuel tank 300, can cooled natural gas and hydraulic oil by described rock gas cooler 900 and oil cooler 1000, ensure equipment security of operation.
Pressure-temperature sensor 2000 is respectively equipped with in the outlet line of described suction booster 200, on the outlet pipe of described low pressure natural gas container 600 and on the air inlet pipeline of described high-pressure natural gas container 700, for the process parameter such as pressure, temperature of Real-Time Monitoring hydraulic pressure oil and gas, the start-stop state of control gear can be convenient to by transmission signal.
Below in conjunction with accompanying drawing 1, the natural gas boosting method utilizing above-mentioned gas-pressed equipment to carry out supercharging is described, boosting method comprises the steps:
(1) supercharging prepares: start suction booster 200, flow direction control valve 100 after hydraulic oil flows out supercharging from fuel tank 300, control valve 100 is in meta, filler opening 101, return opening 102, first delivery outlet 103 and the second delivery outlet 104 are all in closed state, oil pressure continues to be increased to Decompression valves 202 and opens, and carries out supercharging and prepares;
(2) supercharging is continued: control valve switches to upper, now, filler opening 101, return opening 102, first delivery outlet 103 and the second delivery outlet 104 are all in open mode, and filler opening 101 is communicated with the second delivery outlet 104, and return opening 102 is communicated with the first delivery outlet 103; Hydraulic oil flows to the left chamber of the second compression cylinder 500 through filler opening 101, and promote the second compression cylinder 500 inner carrier and move right, the low pressure natural gas entered in the second compression cylinder 500 enters high-pressure natural gas container 700 from gas outlet 502 through Outlet check valves 504 and realizes supercharging; Meanwhile, because the left chamber of the first compression cylinder 400 is communicated with return opening 102, the low pressure natural gas in low pressure natural gas container 600 enters the right chamber of the first compression cylinder 400 through import one-way valve 403, and promotes the first compression cylinder 400 inner carrier to left movement; When the piston movement of the second compression cylinder 500 is to right-hand member, position transducer 802 is triggered, control valve 100 switches to bottom, now, filler opening 101, return opening 102, first delivery outlet 103 and the second delivery outlet 104 are all in open mode, and filler opening 101 is communicated with the first delivery outlet 103, return opening 102 is communicated with the second delivery outlet 104; Hydraulic oil flows to the left chamber of the first compression cylinder 400 through control valve 100, and promote the first compression cylinder 400 inner carrier and move right, the low pressure natural gas entered in the first compression cylinder 400 enters high-pressure natural gas container 700 from gas outlet 402 through Outlet check valves 404, continues to increase gas pressure; Meanwhile, because the left chamber of the second compression cylinder 500 is communicated with return opening 102, the low pressure natural gas in low pressure natural gas container 600 enters the right chamber of the second compression cylinder 500 through import one-way valve 503, and promotes the second compression cylinder 500 inner carrier to left movement; When the piston movement of the first compression cylinder 400 is to right-hand member, position transducer 801 is triggered, and control valve 100 switches to upper, enters next circulation, realizes continuing supercharging;
(3) supercharging is awaited orders: when gas pressure reaches required pressure, and control valve 100 switches gets back to meta, standby.
The utility model drives two compression cylinder alternations to continue pressurised natural gas by described control valve 100, gas pressure can be pressurized to 320bar, and be stored in natural gas high pressure container (as gas cylinder), thus meet the demand of motor to high-pressure air source.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (6)
1. gas-pressed equipment, for being high-pressure natural gas by low pressure natural gas supercharging, it is characterized in that: comprise control valve, described control valve is provided with filler opening, return opening, the first delivery outlet and the second delivery outlet; Also comprise suction booster, the import of described suction booster is connected with fuel tank, and described supercharging delivery side of pump connects described filler opening, and described fuel tank is connected with described return opening; Also comprise the first compression cylinder and the second compression cylinder, described first compression cylinder is connected with described second delivery outlet with described first delivery outlet respectively with one end of described second compression cylinder, the other end of described first compression cylinder and described second compression cylinder is respectively equipped with Imported gas and gas outlet, described Imported gas connects low pressure natural gas container, and described gas outlet connects high-pressure natural gas container; Described Imported gas and described gas outlet are respectively equipped with import one-way valve and Outlet check valves; One end that described first compression cylinder and described second compression cylinder are positioned at described Imported gas and gas outlet is separately installed with the position transducer detecting compression cylinder inner carrier position signal; Control valve described in described position transducer connection control.
2. gas-pressed equipment as claimed in claim 1, is characterized in that: described control valve is three position four-way directional control valve, and
When described three position four-way directional control valve is in meta, described filler opening, return opening, the first delivery outlet and the second delivery outlet are all in closed state;
When described three position four-way directional control valve is in upper, described filler opening, return opening, the first delivery outlet and the second delivery outlet are all in open mode, and described filler opening is communicated with described second delivery outlet, and described return opening is communicated with described first delivery outlet;
When described three position four-way directional control valve is in bottom, described filler opening, return opening, the first delivery outlet and the second delivery outlet are all in open mode, and described filler opening is communicated with described first delivery outlet, and described return opening is communicated with described second delivery outlet.
3. gas-pressed equipment as claimed in claim 2, is characterized in that: be provided with rock gas cooler between described gas outlet and described high-pressure natural gas container.
4. gas-pressed equipment as claimed in claim 2, is characterized in that: be provided with oil cooler between described return opening and described fuel tank.
5. gas-pressed equipment as claimed in claim 2, is characterized in that: described supercharging delivery side of pump is provided with relief tube, and described relief tube connects described fuel tank, and described relief tube is provided with Decompression valves.
6. the gas-pressed equipment as described in claim 2,3,4 or 5, is characterized in that: be respectively equipped with pressure-temperature sensor in the outlet line of described suction booster, on the outlet pipe of described low pressure natural gas container and on the air inlet pipeline of described high-pressure natural gas container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057112.0U CN204420563U (en) | 2015-01-27 | 2015-01-27 | Gas-pressed equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057112.0U CN204420563U (en) | 2015-01-27 | 2015-01-27 | Gas-pressed equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204420563U true CN204420563U (en) | 2015-06-24 |
Family
ID=53470933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520057112.0U Expired - Fee Related CN204420563U (en) | 2015-01-27 | 2015-01-27 | Gas-pressed equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204420563U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443978A (en) * | 2015-12-28 | 2016-03-30 | 重庆耐德节能装备有限公司 | Hydraulic pressurized natural gas filling substation system |
| CN108278482A (en) * | 2018-04-11 | 2018-07-13 | 青岛乐戈新能源科技有限公司 | A kind of liquefied gas at low temp charging system, methods for filling |
-
2015
- 2015-01-27 CN CN201520057112.0U patent/CN204420563U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443978A (en) * | 2015-12-28 | 2016-03-30 | 重庆耐德节能装备有限公司 | Hydraulic pressurized natural gas filling substation system |
| CN108278482A (en) * | 2018-04-11 | 2018-07-13 | 青岛乐戈新能源科技有限公司 | A kind of liquefied gas at low temp charging system, methods for filling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |