CN208652127U - The refueling system of CNG Filling Station - Google Patents
The refueling system of CNG Filling Station Download PDFInfo
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- CN208652127U CN208652127U CN201821064492.0U CN201821064492U CN208652127U CN 208652127 U CN208652127 U CN 208652127U CN 201821064492 U CN201821064492 U CN 201821064492U CN 208652127 U CN208652127 U CN 208652127U
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- Prior art keywords
- gas cylinder
- pipe
- cooling
- gas
- filling station
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Abstract
The utility model discloses a kind of refueling systems of CNG Filling Station, it applies in gas station field, solves the technical problem that compression natural gas storage amount is limited in gas cylinder in the prior art, its key points of the technical solution are that including gas cylinder, Fuel Tanking Unit, pumping device and the dispenser being connected with the gas outlet of gas cylinder, liner is equipped in gas cylinder, cooling chamber is formed between the inner wall of gas cylinder and the outer wall of liner, and water recycles in cooling chamber the first water inlet pipe and the first outlet pipe are respectively provided on gas cylinder；Lead to cooling water into the first water inlet pipe, cooling water flows through in cooling chamber, and it is discharged by the first outlet pipe, help to cool down to compressed natural gas, even if in higher external environment, it can still keep compressed natural gas that there is lower temperature, radiate to be realized to compressed natural gas, to guarantee to store more compressed natural gas in gas cylinder.
Description
Technical field
The utility model relates to the auxiliary aerating equipment of compressed natural gas, in particular to a kind of CNG Filling Station
Refueling system.
Background technique
Natural gas has been increasingly used as fuel for motor vehicle as a kind of clean energy resource, for example, compressed natural gas
It (CNG) is exactly a kind of common gas fuel.In order to fill compressed natural gas to automobile with compressed natural gas, be born compression day
Right gas refueling system.
Fig. 1 is the refueling system of compressed natural gas in the prior art, mainly includes the gas cylinder of multiple storage compressed natural gas
1, the Fuel Tanking Unit 2 of hydraulic oil is stored, pressure difference switch 3 and dispenser 4 are installed on Fuel Tanking Unit 2, which is filled by control
Uniformly coordinated control is set, when needing to fill compressed natural gas, control system controls the hydraulic oil injection in Fuel Tanking Unit 2 at least
In one gas cylinder 1, the compressed natural gas in gas cylinder 1 is expelled to dispenser 4 by the road, the liquid when needing oil return, in gas cylinder 1
Pressure oil flows back to Fuel Tanking Unit 2 under the pressure of residual compression natural gas, and pressure difference switch 3 is responsible for determining when to terminate oil return.
But when using the refueling system in summer, ambient temperature is higher, from band portion when compressed natural gas compresses
Divide heat, and be even more to be difficult to radiate in higher external environment, high temperature will lead to the reduction of unit volume inner capacities.
Utility model content
The purpose of the utility model is to provide a kind of refueling systems of CNG Filling Station, are suitable in higher temperature
External environment in carry out aerating, keep the gas-storing capacity in gas cylinder maximum.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of refueling system of CNG Filling Station, including gas cylinder, Fuel Tanking Unit, for extracting liquid in Fuel Tanking Unit
Pressure oil and the dispenser for being delivered to the pumping device in gas cylinder and being connected with the gas outlet of gas cylinder, the gas cylinder are interior equipped with interior
Gallbladder forms cooling chamber, water in cooling chamber is respectively provided on the gas cylinder between the inner wall of the gas cylinder and the outer wall of liner
The first water inlet pipe and the first outlet pipe of circulation.
By using above-mentioned technical proposal, pumping device extracts the hydraulic oil in Fuel Tanking Unit and is delivered in gas cylinder, gas
Compressed natural gas in bottle, which flows into, realizes fueling process in dispenser；Lead to cooling water into the first water inlet pipe, cooling water is in cooling
It is intracavitary to flow through, and be discharged by the first outlet pipe, help to cool down to compressed natural gas, even if in higher external environment
In, it can still keep compressed natural gas that there is lower temperature, radiate to be realized to compressed natural gas, to guarantee to store in gas cylinder
More compressed natural gas.
The utility model is further arranged to: first water inlet pipe is connected with cooler in one end far from gas cylinder, institute
It states the first outlet pipe and is connected with reservoir far from one end of gas cylinder, the reservoir is connected with cooler.
By using above-mentioned technical proposal, cooler carries out cooling to the water source in reservoir, cools down, to guarantee to first
Water supply in water inlet pipe is water at low temperature, to reach superior cooling effect.
The utility model is further arranged to: the both ends of the gas cylinder are respectively equipped with the inlet tube being connected with liner and go out
Tracheae, the inlet tube are connected with pumping device, and the escape pipe is connected with dispenser.
By using above-mentioned technical proposal, hydraulic oil is delivered in liner by inlet tube, and hydraulic oil occupies part body
Product squeezes out the compressed natural gas in liner, and then the aerating into dispenser.
The utility model is further arranged to: the pumping device includes drawing liquid pump, is connected with the liquid outlet of drawing liquid pump
Cooling pipe, the cooling pipe include inner tube and the snakelike outer tube being coiled in outside inner tube, are respectively equipped with use on the outer tube
In the second water inlet pipe and the second outlet pipe of realizing cooling water circulation, the inlet of the drawing liquid pump is connected with Fuel Tanking Unit.
By using above-mentioned technical proposal, using drawing liquid pump by Fuel Tanking Unit in hydraulic oil high-pressure delivery to liner,
Hydraulic oil cools down after flowing through cooling pipe, so that the hydraulic oil flowed into liner keeps low temperature, reduces to compressed natural gas
Heat transmitting, further realize the cooling of compressed natural gas.
The utility model is further arranged to: being connected with fluid flowmeter between the pumping device and gas cylinder.
By using above-mentioned technical proposal, the hydraulic oil being arranged in fluid flowmeter convection current air inlet bottle carries out flow control,
So as to the throughput of fast slowdown monitoring compressed natural gas.
The utility model is further arranged to: the Fuel Tanking Unit includes oil storage tank and the highest that is built in oil storage tank
Liquid level sensor and minimum liquid level sensor are respectively equipped with oil fuel tube and oil exit pipe on the oil storage tank.
By using above-mentioned technical proposal, oil storage tank memory liquid storage pressure oil utilizes highest liquid level sensor and minimum liquid level
Sensor controls hydraulic oil reserves, and when aerating, the hydraulic oil in oil storage tank is conveyed into gas cylinder, when liquid level reaches minimum
When liquid level sensor, need to supplement hydraulic oil into oil storage tank in time at this time；When oil return, remaining tolerance in gas cylinder is by hydraulic oil
It squeezes back in oil storage tank, when liquid level reaches the height of highest liquid level sensor, demonstrates the need for stopping continuing oil return, pass through oil exit pipe
Neatly control supplement or discharge hydraulic oil.
The utility model is further arranged to: being equipped with serpentine condenser, institute in the gas cylinder on the circular direction of liner
It states serpentine condenser and is built-in with cooling oil.
By using above-mentioned technical proposal, recirculated cooling water carries out cooling cycle to the compressed natural gas in liner, except cold
But outside water cooling effect, using cooling oil further progress cooling down, reach more preferably cooling effect.
The utility model is further arranged to: the side wall of the reservoir is equipped with water injection pipe and the bottom in reservoir
Equipped with drainpipe.
It is cold via drainpipe fast evacuation when needing replacing cooling water in reservoir by using above-mentioned technical proposal
But water, then new cooling water is injected into reservoir via water injection pipe, to realize the replacement of cooling water.
In conclusion the utility model has the following beneficial effects:
1, by the way that cooling chamber is arranged in gas cylinder, cooling water circulation is realized in cooling chamber, is facilitated quickly in liner
Compressed natural gas cools down, to guarantee that the amount of storage of compressed natural gas in gas cylinder is larger；
2, hydraulic oil is filled in liner, keeps the temperature of hydraulic oil lower, natural to compressing to reduce the hydraulic oil flowed into
The transmitting of heat caused by gas, guarantees the stability of fueling process；
3, cooler and reservoir are set, the cooling time to compressed natural gas can be extended, facilitate holding for fueling process
Long property.
Detailed description of the invention
Fig. 1 is refueling system structural schematic diagram in the prior art；
Fig. 2 is the structural schematic diagram of embodiment；
Fig. 3 is the internal view of gas cylinder；
Fig. 4 is the structural schematic diagram for embodying the first water inlet pipe, the first outlet pipe, cooler, reservoir；
Fig. 5 is the structural schematic diagram for embodying pumping device；
Fig. 6 is the schematic diagram of internal structure for embodying Fuel Tanking Unit.
In figure: 1, gas cylinder；2, Fuel Tanking Unit；21, oil storage tank；22, highest liquid level sensor；23, minimum liquid level sensor；
24, oil exit pipe；25, oil fuel tube；3, pressure difference switch；4, dispenser；5, liner；6, cooling chamber；7, the first water inlet pipe；8, first goes out
Water pipe；9, cooler；10, reservoir；11, inlet tube；12, escape pipe；13, pumping device；131, drawing liquid pump；132, cooling tube
Road；14, inner tube；15, outer tube；16, the second water inlet pipe；17, the second outlet pipe；18, fluid flowmeter；19, serpentine condenser；
20, water injection pipe；26, drainpipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:
A kind of refueling system of CNG Filling Station, as shown in Fig. 2, including gas cylinder 1, Fuel Tanking Unit 2, for extracting
Hydraulic oil and the pumping device 13 being delivered in gas cylinder 1 and the dispenser 4 being connected with the gas outlet of gas cylinder 1 in Fuel Tanking Unit 2,
The operation of whole system is by control device coordinated control.
As shown in Fig. 2, gas cylinder 1 at least needs one, preferably 4 gas cylinders 1, and press for storing compressed natural gas
It is divided into two groups according to 2 one group.
As shown in figure 3, being equipped with liner 5 in gas cylinder 1, the inlet tube 11 being connected with liner 5 is respectively set in the both ends of gas cylinder 1
With escape pipe 12；Cooling chamber 6 is formd between the inner wall of gas cylinder 1 and the outer wall of liner 5, is respectively equipped with use on the side wall of gas cylinder 1
In the first water inlet pipe 7 being connected with cooling chamber 6 and first outlet pipe 8(Fig. 4).
As shown in figure 4, the first water inlet pipe 7 is connected with cooler 9 in one end far from gas cylinder 1, the first outlet pipe 8 is separate
One end of gas cylinder 1 is connected with reservoir 10, and reservoir 10 is connected with cooler 9, and the side wall of reservoir 10 is equipped with water injection pipe
20, the bottom of reservoir 10 is equipped with drainpipe 26, cooling water is injected into reservoir 10 by water injection pipe 20, via cooler 9
Cooling down, then cooling chamber 6(Fig. 3 is flowed by the first water inlet pipe 7) in, and then from the first outlet pipe 8 by high temperature after cooling
Cooling water discharge flows back in reservoir 10, cooler 9 again and realizes the refrigeration cycle of cooling water.
As shown in figure 3, serpentine condenser 19 is equipped in gas cylinder 1 on the circular direction of liner 5, built in serpentine condenser 19
There is cooling oil, cooling oil temperature rise is slow, can keep lower temperature for a long time, and the external environment of serpentine condenser 19 is cooling
Water, temperature is lower, further extends the time that cooling oil keeps low temperature.
As shown in figure 5, the cooling pipe that pumping device 13 includes drawing liquid pump 131, is connected with the liquid outlet of drawing liquid pump 131
132, cooling pipe 132 includes inner tube 14 and the snakelike outer tube 15 being coiled in outside inner tube 14, is respectively set second on outer tube 15
Water inlet pipe 16 and the second outlet pipe 17 are passed through cooling water to the second water inlet pipe 16, until being full of outer tube 15, then via the second water outlet
Pipe 17 is discharged, to realize the circulation temperature lowering of cooling water.
As shown in figure 5, in cooling pipe 132 and gas cylinder 1(Fig. 2) between be equipped with fluid flowmeter 18, the preferably gloomy liquid in river
Body flow switch FS80-C control switch, can accurately record the hydraulic fluid flow rate flowed through in gas cylinder 1, help to calculate gas cylinder 1
The compressed natural gas amount of interior discharge.
As shown in fig. 6, Fuel Tanking Unit 2 includes oil storage tank 21 and the highest liquid level sensor 22 being built in oil storage tank 21
With minimum liquid level sensor 23, oil storage tank 21 is equipped with oil fuel tube 25 and oil exit pipe 24；When aerating, output hydraulic pressure oil works as liquid
When pressure oil liquid level reaches minimum liquid level 23 height of sensor, oil is stored into oil storage tank 21 by oil fuel tube 25；Conversely, when oil return,
Residual compression natural gas in gas cylinder 1 can squeeze back hydraulic oil in oil storage tank 21, when liquid level reaches highest liquid level sensor
When 22 height, oil extraction is carried out by oil exit pipe 24.
Working principle: compressed natural gas is stored in gas cylinder 1, when aerating, open the first water inlet pipe 7, the first outlet pipe 8,
Second water inlet pipe 16, the second outlet pipe 17, and cooling water is passed through into the first water inlet pipe 7, the second water inlet pipe 16, it fills full cooling
Chamber 6 and outer tube 15 help to cool down to liner 5 and inner tube 14；Keep compressed natural gas that there is lower temperature, and
And the hydraulic fluid temperature flowed into gas cylinder 1 is lower, reduces to compressed natural gas and carries out hot transmitting.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of refueling system of CNG Filling Station, including gas cylinder (1), Fuel Tanking Unit (2), for extracting Fuel Tanking Unit
(2) interior hydraulic oil and the pumping device (13) being delivered in gas cylinder (1) and the dispenser being connected with the gas outlet of gas cylinder (1)
(4), it is characterised in that: liner (5) are equipped in the gas cylinder (1), between the inner wall of the gas cylinder (1) and the outer wall of liner (5)
It is formed cooling chamber (6), the first water inlet pipe (7) and first of the interior water circulation of cooling chamber (6) is respectively provided on the gas cylinder (1)
Outlet pipe (8).
2. the refueling system of CNG Filling Station according to claim 1, it is characterised in that: first water inlet pipe
(7) it is connected with cooler (9) in one end far from gas cylinder (1), first outlet pipe (8) connects far from the one end of gas cylinder (1)
Have reservoir (10), the reservoir (10) is connected with cooler (9).
3. the refueling system of CNG Filling Station according to claim 2, it is characterised in that: the gas cylinder (1)
Both ends are respectively equipped with the inlet tube (11) and escape pipe (12), the inlet tube (11) and pumping device being connected with liner (5)
(13) it is connected, the escape pipe (12) is connected with dispenser (4).
4. the refueling system of CNG Filling Station according to claim 3, it is characterised in that: the pumping device
It (13) include drawing liquid pump (131), the cooling pipe (132) being connected with the liquid outlet of drawing liquid pump (131), the cooling pipe
(132) include inner tube (14) and it is snakelike be coiled in the outer tube (15) of inner tube (14) outside, be respectively equipped with use on the outer tube (15)
In the second water inlet pipe (16) and the second outlet pipe (17), the inlet of the drawing liquid pump (131) and storage of realizing cooling water circulation
Oily device (2) is connected.
5. the refueling system of CNG Filling Station according to claim 4, it is characterised in that: the pumping device
(13) it is connected between gas cylinder (1) fluid flowmeter (18).
6. the refueling system of CNG Filling Station according to claim 1, it is characterised in that: the Fuel Tanking Unit
It (2) include oil storage tank (21) and the highest liquid level sensor (22) being built in oil storage tank (21) and minimum liquid level sensor
(23), oil fuel tube (25) and oil exit pipe (24) are respectively equipped on the oil storage tank (21).
7. the refueling system of CNG Filling Station according to claim 2, it is characterised in that: in the gas cylinder (1)
Serpentine condenser (19) are equipped on the circular direction of liner (5), the serpentine condenser (19) is built-in with cooling oil.
8. the refueling system of CNG Filling Station according to claim 7, it is characterised in that: the reservoir (10)
Side wall be equipped with water injection pipe (20) and the bottom of reservoir (10) be equipped with drainpipe (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064492.0U CN208652127U (en) | 2018-07-05 | 2018-07-05 | The refueling system of CNG Filling Station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064492.0U CN208652127U (en) | 2018-07-05 | 2018-07-05 | The refueling system of CNG Filling Station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208652127U true CN208652127U (en) | 2019-03-26 |
Family
ID=65783622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821064492.0U Expired - Fee Related CN208652127U (en) | 2018-07-05 | 2018-07-05 | The refueling system of CNG Filling Station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208652127U (en) |
-
2018
- 2018-07-05 CN CN201821064492.0U patent/CN208652127U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190326 Termination date: 20200705 |