CN201688132U - Gas-charging unit and hydraulic compressed natural gas charging system provided therewith - Google Patents
Gas-charging unit and hydraulic compressed natural gas charging system provided therewith Download PDFInfo
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- CN201688132U CN201688132U CN2010201065123U CN201020106512U CN201688132U CN 201688132 U CN201688132 U CN 201688132U CN 2010201065123 U CN2010201065123 U CN 2010201065123U CN 201020106512 U CN201020106512 U CN 201020106512U CN 201688132 U CN201688132 U CN 201688132U
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- sink
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Abstract
The utility model discloses a gas-charging unit and a hydraulic compressed natural gas charging system provided therewith. The charging system also comprises at least one gas source unit used for storing compressed natural gas. The gas-charging unit is internally provided with a liquid storage tank used for storing hydraulic medium, and also comprises a cooling device used for cooling the hydraulic medium; the cooling device comprises at least one heat exchanger, a first pipeline, a second pipeline and a pump, wherein the heat exchanger is installed on the top of a box body of the gas-charging unit and is provided with a heat exchange pipe, through which the hydraulic medium can flow; the first pipeline is used for enabling the hydraulic medium in the liquid storage tank to enter the heat exchange pipe; the second pipeline is used for enabling the hydraulic medium in the heat exchange pipe to return the liquid storage tank; and the pump is used for supplying the hydraulic medium in the liquid storage tank to the first pipeline. The gas-charging unit is provided with the cooling device for effectively cooling the hydraulic medium.
Description
Technical field
The utility model relates to the rock gas filing provision, particularly relates to a kind of aerating unit and a kind of hydraulic compressed natural gas refueling system with this aerating unit.
Background technique
Compressed natural gas (CNG) refueling system is used to the equipment (for example with the locomotive of rock gas as fuel) that uses rock gas to replenish, provide rock gas.Chinese patent 200720199714.5 discloses a kind of hydraulic type CNG refueling system, and it comprises the gas source unit and the aerating unit that is used for taking out CNG and carrying out aerating from gas source unit that is used for storing CNG.Specifically, be provided with a plurality of steel cylinders in the gas source unit, be used to store CNG.The aerating unit comprises: casing, be arranged on liquid container, oil hydraulic pump and aerator in this casing.Wherein, store the liquid container of hydraulic medium in the liquid container, and link to each other with each steel cylinder in the gas source unit by a fluid injection pipeline and a liquid return pipe road respectively.Aerator links to each other with each steel cylinder by a gas exhaust piping.When the needs aerating, oil hydraulic pump is extracted the hydraulic medium in the liquid container out and is injected a steel cylinder via the fluid injection pipeline, thereby utilize hydraulic medium to enter aerator, thereby the equipment for the treatment of aerating carry out the aerating operation with the release of the CNG in this steel cylinder and via gas exhaust piping.After the CNG in the steel cylinder was released all or almost all, the hydraulic medium in this steel cylinder can return in the liquid container via the liquid return pipe road again, thereby finishes a work cycle.Can repeat aforesaid operations to proceed aerating this moment to another steel cylinder.
Though this in theory hydraulic type CNG refueling system can be realized continuous aerating operation, himself temperature can raise gradually yet hydraulic medium is in circulation back repeatedly, and the too high meeting of medium temperature causes potential safety hazard to system, thereby has limited the practical working situation of refueling system.Particularly limited refueling system in application than low latitudes.
The model utility content
A purpose of the present utility model is to provide a kind of aerating unit that is used for the hydraulic compressed natural gas refueling system, to solve above-mentioned one or more deficiency.
Another purpose of the present utility model is to provide a kind of hydraulic compressed natural gas refueling system, to solve above-mentioned one or more deficiency.
For achieving the above object, the utility model proposes a kind of aerating unit of hydraulic compressed natural gas refueling system.Described refueling system also comprises having the gas source unit that at least one is used to store the steel cylinder of compressed natural gas.Described aerating unit comprises: casing; Be used to store the liquid container of hydraulic medium, be arranged in this casing, and link to each other with described at least one steel cylinder with a liquid return pipe road by a fluid injection pipeline respectively; Be used for from described liquid container Extract piezodielectric and deliver to oil hydraulic pump the fluid injection pipeline; And be used for linking to each other with described at least one steel cylinder by a gas exhaust piping to treating that aerating equipment provides the aerator of compressed natural gas.Described aerating unit also comprises and is used for sink that hydraulic medium is dispelled the heat.Described sink comprises: at least one heat exchanger is installed in the top of the casing of described aerating unit, and has and be used to the heat exchanging tube that makes that hydraulic medium flows through; Be used for making the hydraulic medium of described liquid container to enter first pipeline of described heat exchanging tube; Be used for making the hydraulic medium of described heat exchanging tube to return second pipeline of described liquid container; And be used for the hydraulic medium of described liquid container is supplied to the described first ducted pump.
Further, described sink also comprises at least one blower fan that is arranged on described at least one heat exchanger below.
Further, described sink includes a plurality of heat exchangers, and the connection that is one another in series of the heat exchanging tube of described a plurality of heat exchangers; And below each heat exchanger, be respectively arranged with a blower fan.
Further, described sink also comprises the housing that is used for described at least one heat exchanger and described at least one blower fan are installed to described casing top.
Further, described housing comprises: first housing is arranged on the top of described casing, and has at least one first assembly department that is used to install described at least one blower fan; And second housing, be arranged on described first housing, and have at least one second assembly department that is used to install described at least one heat exchanger, be respectively arranged with opening in each second assembly department corresponding to described first assembly department.
Further, described sink also comprises the cover that covers on the described housing, and the top of this cover is offered porose, and the periphery in this hole is provided with the flange that is suitable for connecting an external pipe.
Further, described aerating unit also comprises the fan that changes that is used to discharge the rock gas that accumulates in the casing, described changing in the housing that fan is installed in described sink.
Further, also be provided with in described first housing and be used to install described the 3rd assembly department that changes fan, described second housing is provided with ventilated port in the position corresponding with described the 3rd assembly department.
Further, between described ventilated port and described at least one second assembly department, also be provided with guide plate.
Further, the pump in the described sink is the oil filter with filtrating equipment.
Further, described aerating unit also comprises: the detection device that is used to detect the temperature of described hydraulic medium; And the control gear that when detected temperature surpasses a predetermined value, starts this sink.
For achieving the above object, the utility model also provides a kind of hydraulic compressed natural gas refueling system, and described refueling system comprises: have the gas source unit that at least one is used to store the steel cylinder of compressed natural gas; And it is foregoing according to aerating of the present utility model unit.
Aerating of the present utility model unit can carry out efficiently radiates heat to hydraulic medium by sink is set, thereby the temperature of hydraulic medium can be remained in the safety range.Ensured the work that the hydraulic compressed natural gas refueling system can safe and continuous thus.
Below in conjunction with accompanying drawing and detailed mode of execution the utility model is elaborated.
Description of drawings
Fig. 1 is the composition schematic representation that shows according to hydraulic compressed natural gas refueling system of the present utility model;
Fig. 2 is the perspective view with aerating unit of sink;
Fig. 3 shows the aerating unit from Fig. 3 that another visual angle is seen;
Fig. 4 shows the fundamental diagram of sink;
Fig. 5 and Fig. 6 are the partial schematic diagram of aerating unit, the blower fan that shows the heat exchanger in the sink respectively and be arranged on the heat exchanger below;
Fig. 7 shows the structural representation according to the blower fan of a preferred embodiment.
Fig. 8 shows the structural representation according to an embodiment first housing;
Fig. 9 shows the structural representation according to an embodiment second housing;
Embodiment
Below, by exemplary mode of execution the utility model is specifically described.Yet should be appreciated that under the situation that is not having further narration element, structure and feature in mode of execution also can be attached in other mode of execution valuably.
As Figure 1-3, comprise gas source unit 2 and aerating unit 3 according to hydraulic type CNG refueling system 1 of the present utility model.Be provided with at least one (being preferably a plurality of) steel cylinder 21 in the gas source unit 2, be used to store CNG.Aerating unit 3 comprises: casing 31; Liquid container 32 is arranged in the casing 31, is used to store hydraulic medium; Oil hydraulic pump 33; And aerator 34, be used for to treating that aerating equipment provides CNG.Wherein, preferably, oil hydraulic pump 33 and aerator 34 also are arranged in the casing 31, so that aerating unit 3 is moved or transportation by whole.Liquid container 32 passes through a fluid injection pipeline 4 and links to each other respectively with each steel cylinder 21, and links to each other respectively with each steel cylinder 21 by a liquid return pipe road 5.Aerator 34 links to each other respectively with each steel cylinder 21 by a gas exhaust piping 6.
When the needs aerating, oil hydraulic pump 33 is extracted the hydraulic medium in the liquid container 32 out and is injected a steel cylinder 21 via fluid injection pipeline 4, thereby the liquid medium that utilization is injected is with the CNG release of this steel cylinder.The CNG that is pushed out arrives aerator 34 via gas exhaust piping 6, thereby can carry out the aerating operation.After the CNG in the steel cylinder 21 was released all or almost all, the hydraulic medium in this steel cylinder returned liquid container 32 via liquid return pipe road 5.Can repeat aforesaid operations to proceed aerating this moment to another steel cylinder.Wherein gas source unit 2 can fix on the ground, also can be arranged on the trailer so that move.
In order to reduce the temperature of hydraulic medium, also be provided with in the aerating unit 3 and be used for sink 7 that hydraulic medium is dispelled the heat.Shown in Fig. 4-6, sink 7 includes at least one heat exchanger 71, is connected first pipeline 72 and second pipeline 73 and pump 74 between heat exchanger 71 and the liquid container 32.Heat exchanger 71 is installed in the top of casing 31 so that heat radiation, and its inside is provided with heat exchanging tube, and hydraulic medium flows through from this heat exchanging tube and tube wall and the external world by heat exchanging tube carry out heat exchange, thereby realizes dispelling the heat.Preferably, a plurality of heat exchangers 71 can be set, and with their heat exchanging tubes separately for example by pipe 80 (Fig. 5) connections that be one another in series, with the raising radiating effect.When sink 7 work, pump 74 is sent into the hydraulic medium in the liquid container 32 in the heat exchanging tube of heat exchanger 71 via first pipeline 72.Distribute heat was in external environment when hydraulic medium flowed in heat exchanging tube, thereby reduced self temperature of hydraulic medium.Hydraulic medium after the heat radiation can return liquid container 32 via second pipeline 73.So far promptly finished the heat radiation circulation of hydraulic medium.Preferably, pump 74 is made of the oil filter with filtrating equipment, thereby can filter hydraulic medium at the circulation time that dispels the heat.
Preferably, at least one blower fan 75 can be set below heat exchanger 71, to accelerate heat dissipation rate.A blower fan 75 for example all is set below each heat exchanger.When sink is worked, upwards air-supply of blower fan 75, thus help the hydraulic medium in the heat exchanging tube to dispel the heat to the external world.Preferably, for example trailing flank 312 (Fig. 3) is provided with ventilated port 313 in the side of casing 31, so that the inside and outside air balance of casing 31.Should be appreciated that the utility model can also quicken the heat radiation of the hydraulic medium in the heat exchanger by other mode well known in the art, for example the mode by water-cooled.
In a preferred embodiment, heat exchanger 71 and blower fan 75 can be installed to the top 311 of casing 31 by a housing 76.Shown in Fig. 8 and 9, and with reference to figure 5 and 6, housing 76 comprises first housing 77 that is arranged on casing top 311 and is arranged on second housing 78 on first housing 77.Wherein, first housing 77 is provided with around blower fan 75, and has at least one first assembly department 771 that is used to install described at least one blower fan 75.Here, blower fan 75 has the profile (Fig. 7) of substantially cylindrical.As shown in Figure 8, first assembly department 771 can be configured to the ring-shaped frame structure.Second housing 78 is provided with around heat exchanger 71, and has at least one second assembly department 781 that is used to install described at least one heat exchanger.As shown in Figure 9, each second assembly department 781 corresponding to below the position of first assembly department 771 also be provided with opening 782, the air-flow that makes blower fan 75 send arrives radiators 71 via this opening 782.Here, opening 782 also can be set to circle corresponding to the shape of blower fan 75.Yet should be appreciated that first assembly department 771 and second assembly department 781 can be configured to any suitable structure and shape; And the casing top can be installed, be fixed to heat exchanger 71 and blower fan 75 also by any suitable structure.
Get back to Fig. 2, sink 7 also can comprise the cover 79 that covers on the housing 76.It is porose 791 that cover 79 top is offered, and can be discharged via this hole 791 by the air-flow that blower fan 75 blows out.According to an embodiment, the periphery in hole 791 is provided with the flange 792 that is suitable for connecting an external pipe (not shown), discharges thereby the air-flow of discharging can be directed to suitable position (as away from the aerating unit) from hole 791.
Usually, for fear of gas accumulation in the casing 31 of aerating unit 3, in aerating unit 3, also be provided be used to discharge the rock gas that accumulates in the casing 31 change fan 8.According to the utility model, change in the housing 76 that fan 8 can be arranged on sink 7.For example, shown in Fig. 6-9, can in first housing 77, be provided for installing the 3rd assembly department 772 that changes fan 8; With the 3rd assembly department 772 corresponding positions one ventilated port 783 is set at second housing 78 simultaneously, thereby the rock gas in the casing 31 can be discharged by changing fan 8 from ventilated port 783.The 3rd assembly department 772 can be similar with first assembly department 771, also is set to the annular frame structure.Return in the casing 31 by the rock gas that changes fan 8 discharges during for fear of blower fan 75 operations, preferably in second housing 78, also be provided with a guide plate 784, the ventilated port 783 and second assembly department 781 are separated.Guide plate 784 can be fixed on the sidewall of second housing 78, preferably, also is connected with at least one buttress brace 785 between the sidewall of the guide plate 784 and second housing, so that guide plate 784 is strengthened.Should be appreciated that also in second housing 78, to be provided for installing the 3rd assembly department that changes fan 8, and in first housing 77, be provided with and the corresponding ventilated port of the 3rd assembly department.
Preferably, also be provided with a control gear in the aerating of the present utility model unit 3 and be used to detect the detection device of the temperature of hydraulic medium.When detected medium temperature surpasses a predetermined value, control gear automatically starting sink.
Though should be pointed out that by above-mentioned mode of execution the utility model is described, yet the utility model also can have other numerous embodiments.Under the prerequisite that does not break away from the utility model spirit and scope; those of ordinary skill in the art obviously can make various corresponding changes and distortion to the utility model, but these changes and distortion all should belong in the scope that the utility model claims and equivalent thereof protect.
Claims (12)
1. the aerating unit of a hydraulic compressed natural gas refueling system, described refueling system also comprise having the gas source unit that at least one is used to store the steel cylinder of compressed natural gas, and described aerating unit comprises:
Casing;
Be used to store the liquid container of hydraulic medium, be arranged in this casing, and link to each other with described at least one steel cylinder with a liquid return pipe road by a fluid injection pipeline respectively;
Be used for from described liquid container Extract piezodielectric and deliver to oil hydraulic pump the fluid injection pipeline; And
Be used for linking to each other with described at least one steel cylinder by a gas exhaust piping to treating that aerating equipment provides the aerator of compressed natural gas,
It is characterized in that described aerating unit comprises also and be used for sink that hydraulic medium is dispelled the heat that described sink comprises:
At least one heat exchanger is installed in the top of the casing of described aerating unit, and has and be used to the heat exchanging tube that makes that hydraulic medium flows through;
Be used for making the hydraulic medium of described liquid container to enter first pipeline of described heat exchanging tube;
Be used for making the hydraulic medium of described heat exchanging tube to return second pipeline of described liquid container; And
Be used for the hydraulic medium of described liquid container is supplied to the described first ducted pump.
2. aerating according to claim 1 unit is characterized in that, described sink also comprises at least one blower fan that is arranged on described at least one heat exchanger below.
3. aerating according to claim 2 unit is characterized in that described sink includes a plurality of heat exchangers, and the connection that is one another in series of the heat exchanging tube of described a plurality of heat exchangers; And below each heat exchanger, be respectively arranged with a blower fan.
4. aerating according to claim 2 unit is characterized in that, described sink also comprises the housing that is used for described at least one heat exchanger and described at least one blower fan are installed to described casing top.
5. aerating according to claim 4 unit is characterized in that, described housing comprises:
First housing is arranged on the top of described casing, and has at least one first assembly department that is used to install described at least one blower fan; And
Second housing is arranged on described first housing, and has at least one second assembly department that is used to install described at least one heat exchanger, is respectively arranged with the opening corresponding to described first assembly department in each second assembly department.
6. according to claim 4 or 5 described aerating unit, it is characterized in that described sink also comprises the cover that covers on the described housing, the top of this cover is offered porose, and the periphery in this hole is provided with the flange that is suitable for connecting an external pipe.
7. aerating according to claim 6 unit is characterized in that, also comprises the fan that changes that is used to discharge the rock gas that accumulates in the casing, described changing in the housing that fan is installed in described sink.
8. aerating according to claim 7 unit is characterized in that, also is provided with in described first housing to be used to install described the 3rd assembly department that changes fan, and described second housing is provided with ventilated port in the position corresponding with described the 3rd assembly department.
9. aerating according to claim 8 unit is characterized in that, also is provided with guide plate between described ventilated port and described at least one second assembly department.
10. aerating according to claim 1 unit is characterized in that, the pump in the described sink is the oil filter with filtrating equipment.
11. aerating according to claim 1 unit is characterized in that, also comprises: the detection device that is used to detect the temperature of described hydraulic medium; And the control gear that when detected temperature surpasses a predetermined value, starts this sink.
12. a hydraulic compressed natural gas refueling system comprises: have the gas source unit that at least one is used to store the steel cylinder of compressed natural gas; And as each described aerating unit among the claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201065123U CN201688132U (en) | 2010-02-01 | 2010-02-01 | Gas-charging unit and hydraulic compressed natural gas charging system provided therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201065123U CN201688132U (en) | 2010-02-01 | 2010-02-01 | Gas-charging unit and hydraulic compressed natural gas charging system provided therewith |
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| Publication Number | Publication Date |
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| CN201688132U true CN201688132U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201065123U Expired - Fee Related CN201688132U (en) | 2010-02-01 | 2010-02-01 | Gas-charging unit and hydraulic compressed natural gas charging system provided therewith |
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| CN (1) | CN201688132U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747904A (en) * | 2013-12-27 | 2015-07-01 | 安瑞科(廊坊)能源装备集成有限公司 | Hydraulic type compressed natural gas secondary filling station and control method thereof |
-
2010
- 2010-02-01 CN CN2010201065123U patent/CN201688132U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747904A (en) * | 2013-12-27 | 2015-07-01 | 安瑞科(廊坊)能源装备集成有限公司 | Hydraulic type compressed natural gas secondary filling station and control method thereof |
| CN104747904B (en) * | 2013-12-27 | 2019-02-15 | 安瑞科(廊坊)能源装备集成有限公司 | A kind of hydraulic compressed natural gas air entraining substation and its control method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20170201 |