CN206191267U - Gas circulation formula gas station - Google Patents
Gas circulation formula gas station Download PDFInfo
- Publication number
- CN206191267U CN206191267U CN201621133173.1U CN201621133173U CN206191267U CN 206191267 U CN206191267 U CN 206191267U CN 201621133173 U CN201621133173 U CN 201621133173U CN 206191267 U CN206191267 U CN 206191267U
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- CN
- China
- Prior art keywords
- gas
- conveyance conduit
- electromagnetic switch
- switch valve
- liquid
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a gas circulation formula gas station, including controller, LNG liquid storage pot, at least one inhales liquid discharge tank, liquid cyclostrophic adjusting device, gas bomb group, CNG and adds mechanism of qi, compressor, pipeline and electromagnetic switch valve, liquid cyclostrophic adjusting device's export with the extraction opening of compressor is connected, the blow vent of inhaling liquid discharge tank with the extraction opening of compressor is connected, the height of compressor calm the anger the export through pipeline be divided into three routes branch road pipeline respectively with inhale liquid discharge tank's blow vent, the air phase port on LNG liquid storage pot top and liquid cyclostrophic adjusting device's exit linkage. Gas circulation formula gas station, the pressurization that has realized the response container is carried in the switching -over through the compressor, has cancelled the low temperature plunger pump and has unloaded sled, and inhaled liquid discharge tank and no longer need heat, has avoided BOG's emission and has collected the processing.
Description
Technical field
The utility model belongs to natural gas filling station technical field, more particularly, to a kind of gas circulating type gas station.
Background technology
Currently, natural gas has been widely used in society, many aspects of life.Wherein, by the use of natural gas as combustion
Material, the operating of driving other equipment has become an importance of gas utilization.Transport for convenience and load, pass through
Liquefied natural gas (Liquefied Natural Gas, LNG) is formed to natural gas liquefaction, the weight of gas utilization is had become
Want one of mode.
In order to expand the use scope of LNG, currently it is usually taken and the mode of L-CNG gas stations is set in predetermined position,
It is long-distance transport heavy truck, bus or taxi and other filling of gas equipment liquefied natural gas and high pressures to be added in predetermined position
Natural gas and to pipeline provide low pressure natural gas.
L-CNG gas stations typically mainly include fluid reservoir, the pump sled with low temperature immersed pump and with low temperature piston pump
Pump sled, high pressure air temperature gasifier, water-bath heater, sequential control disk, gas bomb group, liquid filler and filling machine and control device group
Into.
Wherein, by low temperature immersed pump, liquid filler, control system to heavy truck, bus, and other equipment filling liquefaction
Natural gas (Liquefied Natural Gas, LNG).
Again by low temperature piston pump prize by high pressure air temperature gasifier, water-bath heater, sequential control disk, gas bomb group,
Filling machine and control system, directly to automobile or other treat aerating equipment fill CNG (Compressed Natural Gas).
In whole L-CNG gas stations, low temperature immersed pump pump sledge and low temperature piston pump sled be whole gas station two cores
Center portion part, for providing power for liquid feeding system.The core component of wherein fluid filling pump sled is immersed pump, in order to improve gas station
Liquid feeding ability, can also set multiple immersed pumps, be one or more liquid fillers with predetermined pressure and flow feed flow.
Low temperature piston pump sled is the core apparatus that LNG is provided to high pressure air temperature gasifier, can be set according to actual condition
One or two, it can also be provided that the using and the reserved in control, it is also possible to be set to play pump simultaneously.
Additionally, the outlet of low temperature piston pump should reach 25map, the temperature of LNG is -162 degree, can be made under cryogenic high pressure state
Forming apparatus it is extremely unstable, piston ring needs frequently to change, and maintenance cost is high, is also the technical barrier of this area.
The content of the invention
In view of this, the utility model is directed to a kind of gas circulating type gas station, is conveyed by the commutation of compressor
The pressurization to responding container is realized, low temperature plunger displacement pump is eliminated and sled of unloading, and suction flow container no longer needs heating, it is to avoid
Discharge and the collection treatment of BOG.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of gas circulating type gas station, including controller, LNG fluid reservoirs, at least one suction flow container, liquid gas conversion is adjusted
Regulating device, gas bomb group, CNG filling machines, compressor, conveyance conduit and electromagnetic switch valve；
The suction flow container is provided with inlet, leakage fluid dram and blow vent；
The LNG fluid reservoirs are connected by conveyance conduit and the electromagnetic switch valve on the conveyance conduit with the inlet
Connect, the leakage fluid dram converts adjusting means by conveyance conduit and the electromagnetic switch valve on the conveyance conduit with the liquid gas
Import connection, the outlet of liquid gas conversion adjusting means is connected by conveyance conduit with the air inlet of the gas bomb group,
The gas outlet of the gas bomb group is connected by conveyance conduit with the entrance of the CNG filling machines；
The outlet of the liquid gas conversion adjusting means passes through conveyance conduit and the electromagnetic switch valve on the conveyance conduit
Bleeding point with the compressor is connected；
The blow vent of the suction flow container by conveyance conduit and the electromagnetic switch valve on the conveyance conduit with it is described
The bleeding point connection of compressor；
The high pressure gas outlet of the compressor is divided into three road branch road conveyance conduits by conveyance conduit, and the first via is by the branch
Road conveyance conduit and the electromagnetic switch valve on the branch road conveyance conduit are connected with the blow vent of the suction flow container, the second tunnel
The gas phase of electromagnetic switch valve by the branch road conveyance conduit and on the branch road conveyance conduit and the LNG liquid storages upper end
Mouth connection, the 3rd tunnel is turned by the branch road conveyance conduit and the electromagnetic switch valve on the branch road conveyance conduit and the liquid gas
Change the egress links of adjusting means；
The LNG fluid reservoirs, liquid gas conversion adjusting means, gas bomb group, CNG filling machines, compressor, electromagnetic switch valve and
Pressure-reducing valve is connected with the controller signals.
Further, liquid gas conversion adjusting means includes being sequentially connected high pressure gasifier, water-bath heater and suitable
Sequence control panel, the import of the high pressure gasifier is connected with the leakage fluid dram of the suction flow container, the outlet of the sequential control disk
Air inlet with the gas bomb group is connected.
Further, the gas circulating type gas station also includes tank car, and the gas phase mouth of the tank car passes through conveyance conduit
And the pressure-reducing valve and electromagnetic switch valve on the conveyance conduit are connected with the outlet of liquid gas conversion adjusting means, the decompression
Valve and electromagnetic switch valve are connected with the controller signals.
Further, the blow vent of the suction flow container passes through conveyance conduit and the electromagnetic switch on the conveyance conduit
Valve and pressure-reducing valve are connected with the gas phase mouth of the LNG fluid reservoirs.
Relative to prior art, gas circulating type gas station described in the utility model has the advantage that：
(1) gas circulating type gas station described in the utility model, is conveyed by the commutation of compressor and realized to response
The pressurization of container, eliminates low temperature plunger displacement pump and unloads sled, and suction flow container no longer needs to heat, it is to avoid the discharge of BOG and
Collection is processed.
Brief description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing being further understood to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the gas circulating type aerating station structure connection diagram described in the utility model embodiment.
Description of reference numerals：
1-LNG fluid reservoirs；2- suction flow containers；3- liquid gas converts adjusting means；31- high pressure gasifiers；32- heating water baths
Device；33- sequential control disks；4- gas bomb groups；5-CNG filling machines；6- compressors；7- tank cars；8- electromagnetic switch valves.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that the device or element of meaning with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is to limitation of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figure 1, the utility model includes controller, LNG fluid reservoirs 1, at least one suction flow container 2, the conversion of liquid gas
Adjusting means 3, gas bomb group 4, CNG filling machines 5, compressor 6, conveyance conduit and electromagnetic switch valve 8；
Suction flow container 2 is provided with inlet, leakage fluid dram and blow vent；
LNG fluid reservoirs 1 are connected by conveyance conduit and the electromagnetic switch valve 8 on the conveyance conduit with inlet, are arranged
Liquid mouthful is connected by the import that conveyance conduit and the electromagnetic switch valve 8 on the conveyance conduit convert adjusting means 3 with liquid gas,
The outlet of liquid gas conversion adjusting means 3 is connected by conveyance conduit with the air inlet of gas bomb group 4, the gas outlet of gas bomb group 4
It is connected with the entrance of CNG filling machines 5 by conveyance conduit；
The outlet of liquid gas conversion adjusting means 3 by conveyance conduit and the electromagnetic switch valve 8 on the conveyance conduit with
The bleeding point connection of compressor 6；
The blow vent of suction flow container 2 is by conveyance conduit and the electromagnetic switch valve 8 on the conveyance conduit and compressor 6
Bleeding point connection；
The high pressure gas outlet of compressor 6 is divided into three road branch road conveyance conduits by conveyance conduit, and the first via passes through the branch road
Conveyance conduit and pressure-reducing valve and electromagnetic switch valve 8 on the branch road conveyance conduit are connected with the blow vent of suction flow container 2, the
Two tunnels are by the branch road conveyance conduit and the gas on the electromagnetic switch valve 8 on the branch road conveyance conduit and the top of LNG fluid reservoirs 1
Phase mouthful connection, the 3rd tunnel is turned by the branch road conveyance conduit and the electromagnetic switch valve 8 on the branch road conveyance conduit with liquid gas
Change the egress links of adjusting means 3；
LNG fluid reservoirs 1, liquid gas conversion adjusting means 3, gas bomb group 4, CNG filling machines 5, compressor 6, electromagnetic switch valve 8
It is connected with controller signals with pressure-reducing valve.
Liquid gas conversion adjusting means 3 includes the high pressure gasifier 31, water-bath heater 32 and the sequential control disk that are sequentially connected
33, the import of high pressure gasifier 31 is connected with the leakage fluid dram of suction flow container 2, outlet and the gas bomb group 4 of sequential control disk 33
Air inlet is connected.
Gas circulating type gas station also includes tank car 7, and the gas phase mouth of tank car 7 is by conveyance conduit and positioned at the conveyance conduit
On the outlet of pressure-reducing valve and electromagnetic switch valve 8 and liquid gas conversion adjusting means 3 be connected, the pressure-reducing valve and electromagnetic switch valve 8 and
Controller signals are connected.
The blow vent of suction flow container 2 passes through conveyance conduit and electromagnetic switch valve 8 and pressure-reducing valve on the conveyance conduit
Gas phase mouth with LNG fluid reservoirs 1 is connected.
The course of work of the present utility model is：
Electromagnetic switch valve 8 between the inlet and LNG fluid reservoirs 1 of suction flow container 2 is opened, the leakage fluid dram of suction flow container 2
The electromagnetic switch valve 8 between import with liquid gas conversion adjusting means 3 is closed, and compressor 6 is by extracting gaseous state day in suction flow container 2
LNG fluid reservoirs 1 are input into after right gas and pressurization, pressure increase in LNG fluid reservoirs 1, pressure reduces in suction flow container 2, LNG fluid reservoirs
1 internal pressure is powerful when pressure in suction flow container 2, and the inlet of suction flow container 2 is by the imbibition of LNG fluid reservoirs 1 until in suction flow container 2
Liquid natural tolerance reaches setting value；
Electromagnetic switch valve 8 between the inlet and LNG fluid reservoirs 1 of suction flow container 2 is closed, the leakage fluid dram of suction flow container 2
The electromagnetic switch valve 8 between import with liquid gas conversion adjusting means 3 is opened, and compressor 6 is gone out by liquid gas conversion adjusting means 3
Mouth extracts gaseous natural gas and is input into suction flow container 2 after pressurizeing, pressure increase in suction flow container 2, and is adjusted more than the conversion of liquid gas
Pressure in device 3, liquified natural gas converts adjusting means 3 in the presence of gaseous natural gas pressure to liquid gas in suction flow container 2
Import discharge；
And the gaseous natural gas in suction flow container 2 point two-way discharge, lead up in pressure-reducing valve input LNG fluid reservoirs 1, separately
One compressors 6 are exported after extracting out through liquid gas conversion adjusting means 3 and the conveyance conduit between the air inlet of gas bomb group 4 is input into
In gas bomb group 4；
After the pressure of the gaseous natural gas in LNG fluid reservoirs 1 is increased to setting value, one end simultaneously with the high pressure of compressor 6
Gas outlet connects, and the other end exports the conveyance conduit being connected with LNG fluid reservoirs 1 and liquid gas conversion adjusting means 3 and be in and connects respectively
Logical state, the gaseous natural gas in LNG fluid reservoirs 1 be input to conversion adjusting means 3 outlet of liquid gas and the air inlet of gas bomb group 4 it
Between conveyance conduit in, and then as CNG inputs gas bomb group 4.
It is connected with LNG fluid reservoirs 1 when tank car 7 reaches gas station, when being 1 filling liquid natural gas of LNG fluid reservoirs, adjustment electricity
The on off state of magnetic switch valve 8 so that the outlet of liquid gas conversion adjusting means 3 is by conveyance conduit and on the conveyance conduit
Pressure-reducing valve and electromagnetic switch valve 8 are in connected state with the gas phase mouth of tank car 7, and liquid gas conversion adjusting means 3 exit has one
In the strong gaseous natural gas input tank car 7 of level pressure, and the liquified natural gas in tank car 7 is pressed into LNG fluid reservoirs 1.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of gas circulating type gas station, it is characterised in that：Including controller, LNG fluid reservoirs (1), at least one liquid sucking-discharging
Tank (2), liquid gas convert adjusting means (3), gas bomb group (4), CNG filling machines (5), compressor (6), conveyance conduit and electromagnetism and open
Close valve (8)；
The suction flow container (2) is provided with inlet, leakage fluid dram and blow vent；
Electromagnetic switch valve (8) and the inlet of the LNG fluid reservoirs (1) by conveyance conduit and on the conveyance conduit
Connection, the leakage fluid dram is converted with the liquid gas by conveyance conduit and the electromagnetic switch valve (8) on the conveyance conduit and adjusted
The import connection of regulating device (3), the outlet of liquid gas conversion adjusting means (3) passes through conveyance conduit and the gas bomb group
(4) air inlet connection, the gas outlet of the gas bomb group (4) is connected by conveyance conduit with the entrance of the CNG filling machines (5)
Connect；
The outlet of liquid gas conversion adjusting means (3) passes through conveyance conduit and the electromagnetic switch valve on the conveyance conduit
(8) bleeding point with the compressor (6) is connected；
The blow vent of the suction flow container (2) passes through conveyance conduit and the electromagnetic switch valve (8) on the conveyance conduit and institute
State the bleeding point connection of compressor (6)；
The high pressure gas outlet of the compressor (6) is divided into three road branch road conveyance conduits by conveyance conduit, and the first via is by the branch
Road conveyance conduit and the pressure-reducing valve on the branch road conveyance conduit and electromagnetic switch valve (8) are logical with the suction flow container (2)
Gas port is connected, the second tunnel by the branch road conveyance conduit and the electromagnetic switch valve (8) on the branch road conveyance conduit with it is described
The gas phase mouth connection on LNG fluid reservoirs (1) top, the 3rd tunnel is by the branch road conveyance conduit and on the branch road conveyance conduit
Electromagnetic switch valve (8) converts the egress links of adjusting means (3) with the liquid gas；
The LNG fluid reservoirs (1), liquid gas convert adjusting means (3), gas bomb group (4), CNG filling machines (5), compressor (6),
Electromagnetic switch valve (8) and pressure-reducing valve are connected with the controller signals.
2. gas circulating type gas station according to claim 1, it is characterised in that：The liquid gas converts adjusting means (3)
Including the high pressure gasifier (31), water-bath heater (32) and the sequential control disk (33) that are sequentially connected, the high pressure gasifier
(31) import is connected with the leakage fluid dram of the suction flow container (2), the outlet of the sequential control disk (33) and the gas bomb
The air inlet connection of group (4).
3. gas circulating type gas station according to claim 1, it is characterised in that：Also include tank car (7), the tank car
(7) gas phase mouth is turned by conveyance conduit and pressure-reducing valve and electromagnetic switch valve (8) on the conveyance conduit with the liquid gas
Change the outlet connection of adjusting means (3), the pressure-reducing valve and electromagnetic switch valve (8) are connected with the controller signals.
4. gas circulating type gas station according to claim 1, it is characterised in that：The blow vent of the suction flow container (2)
The gas phase of electromagnetic switch valve (8) and pressure-reducing valve by conveyance conduit and on the conveyance conduit and the LNG fluid reservoirs (1)
Mouth connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133173.1U CN206191267U (en) | 2016-10-17 | 2016-10-17 | Gas circulation formula gas station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133173.1U CN206191267U (en) | 2016-10-17 | 2016-10-17 | Gas circulation formula gas station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206191267U true CN206191267U (en) | 2017-05-24 |
Family
ID=58730402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621133173.1U Withdrawn - After Issue CN206191267U (en) | 2016-10-17 | 2016-10-17 | Gas circulation formula gas station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206191267U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322105A (en) * | 2016-10-17 | 2017-01-11 | 泰恩博能燃气设备（天津）股份有限公司 | Gas circulation type gas station |
| CN110736026A (en) * | 2019-10-24 | 2020-01-31 | 邳州亚联环保科技有限公司 | residual liquid recycling system |
| WO2020098617A1 (en) * | 2018-11-16 | 2020-05-22 | China Energy Investment Corporation Limited | Method and system of dispensing liquefied gas |
| CN111197694A (en) * | 2020-01-06 | 2020-05-26 | 阜阳国祯燃气有限公司 | LNG steel cylinder filling device and method |
-
2016
- 2016-10-17 CN CN201621133173.1U patent/CN206191267U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322105A (en) * | 2016-10-17 | 2017-01-11 | 泰恩博能燃气设备（天津）股份有限公司 | Gas circulation type gas station |
| WO2020098617A1 (en) * | 2018-11-16 | 2020-05-22 | China Energy Investment Corporation Limited | Method and system of dispensing liquefied gas |
| US11009185B2 (en) | 2018-11-16 | 2021-05-18 | China Energy Investment Corporation Limited | Method and system of dispensing liquefied gas |
| CN110736026A (en) * | 2019-10-24 | 2020-01-31 | 邳州亚联环保科技有限公司 | residual liquid recycling system |
| CN111197694A (en) * | 2020-01-06 | 2020-05-26 | 阜阳国祯燃气有限公司 | LNG steel cylinder filling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20190201 |