CN107859869A - A kind of portable LNG skids liquid feeding unloading system - Google Patents
A kind of portable LNG skids liquid feeding unloading system Download PDFInfo
- Publication number
- CN107859869A CN107859869A CN201711348244.9A CN201711348244A CN107859869A CN 107859869 A CN107859869 A CN 107859869A CN 201711348244 A CN201711348244 A CN 201711348244A CN 107859869 A CN107859869 A CN 107859869A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- lng
- liquid
- liquid feeding
- mouth
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/046—Methods for emptying or filling by even emptying or filling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to natural gas supply field, a kind of more particularly to portable LNG skids liquid feeding unloading system, the bottom sled of corner fittings is welded with including corner, it is fixed on the LNG storage tank at bottom sled middle part, the storage tank booster being fixed on the LNG storage tank both sides of bottom sled, and it is fixed on the valve control box at the LNG storage tank rear portion of bottom sled, packaged type LNG skid liquid feeding unloading systems can make up the deficiency of gas station, investment in land is not needed, liquid filling station reconnaissance is flexible, eliminating LNG vehicles can not liquid feeding because without liquid feeding website, the trouble of long distance transportation can not be carried out, and it can be transferred at any time according to the market demand, it is that the LNG vehicles for needing liquid feeding supplement fuel anywhere or anytime.Meet green economy, the developing direction of low-carbon economy, meet the developing direction of new-energy automobile, be a kind of flexible efficiently LNG automobiles liquid-adding device.
Description
Technical field
The present invention relates to natural gas supply field, more particularly to a kind of portable LNG skids liquid feeding unloading system.
Background technology
LNG (liquefied natural gas) be by natural gas purification deep cooling to -162 DEG C of liquid for forming of liquefying, it be a kind of cleaning,
High-grade fuel.LNG volume is about the 1/600 of its gaseous volume, therefore LNG cleans alternative fuel as young mobile, tool
Have clean and effective, storage efficiency height, safety economy, lower-price characteristic and favored by people, be at present it is internationally recognized
Optimal automobile-used replacement one of clean fuel.
Current air pollution outstanding problem, government tend to the LNG cars of energy-conserving and environment-protective in the configuration of public transport
, subsidized although some areas government is given to LNG buses, do not formulate communications and transportation linked development planning effectively to plan as a whole
Gas station construction and Development of Natural Gas Vehicle, cause that aerating station arrangement is unreasonable, velocity lag of building a station, and are needed with filling for LNG
Ask disconnection；The investment construction costs of LNG fueling stations is high, limitation is more, examination and approval procedures are complicated, the examination ＆ approval cycle for construction land etc.
It is long, it is impossible to meet the needs of LNG vehicles well.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art, there is provided a kind of portable LNG
Skid liquid feeding unloading system.
The present invention is to be achieved by the following technical programs：
A kind of portable LNG skids liquid feeding unloading system, including corner are welded with the bottom sled of corner fittings, are fixed on bottom sled middle part
LNG storage tank, be fixed on bottom sled LNG storage tank both sides on storage tank booster, and be fixed on bottom sled LNG storage tank rear portion valve
Gate control case, the LNG storage tank bottom liquid inlet mouth connect storage tank booster by pipeline, and the storage tank supercharger outlet passes through pipe
Road connects LNG storage tank gas phase mouth, and LNG storage tank bottom liquid outlet connects liquid feeding rifle, the liquid feeding rifle by pipeline and flange
Flange be fixed in valve control box, valve control box inner disc be provided with by flange connection unloads liquid mouth, gas phase mouth and supercharging
Mouthful, the liquid mouth that unloads connects filling opening at the top of LNG storage tank bottom liquid inlet mouth and LNG storage tank, the gas phase mouth by pipeline respectively
Penetrated by pipeline with being connected the pipeline of storage tank supercharger outlet and LNG storage tank gas phase mouth, the boost port and storage tank booster
Import connects.
The LNG storage tank bottom liquid inlet mouth is connected with storage tank booster with storage tank booster and is connected with storage tank supercharging cut-off
Valve.
Between LNG storage tank bottom liquid outlet and flange by pipeline be connected with turn tank bottom go out liquid stop valve,
Flowmeter and stop valve.
Storage tank gas phase stop valve is provided between the storage tank supercharger outlet and LNG storage tank gas phase mouth and diffuses safe dress
Put.
The beneficial effects of the invention are as follows：
Packaged type LNG skid liquid feeding unloading systems can make up the deficiency of gas station, it is not necessary to investment in land, liquid filling station
Reconnaissance is flexible, eliminate LNG vehicles because without liquid feeding website can not liquid feeding, the trouble of long distance transportation can not be carried out, and can root
Transferred at any time according to the market demand, anywhere or anytime for need the LNG vehicles of liquid feeding supplement fuel.Meet green economy, it is low
Carbon expanding economy direction, meet the developing direction of new-energy automobile, be that a kind of flexible efficiently LNG automobiles liquid feeding fills
Put.
Brief description of the drawings
Fig. 1 is the liquid feeding flowage structure schematic diagram of the present invention.
Fig. 2 is the overlooking the structure diagram of the present invention.
Fig. 3 is the flowage structure schematic diagram of unloading of the present invention.
Wherein：1st, liquid stop valve is unloaded, 2, gas phase stop valve, 3, supercharging stop valve, 4, storage tank supercharging stop valve, 5, tank roof
Portion's feed liquor stop valve, 6, tank bottom feed liquor stop valve, 7, tank bottom go out liquid stop valve, 8, storage tank gas phase stop valve, 9, peace
Full valve bypass cutoff valve, 10, tank safety valve group, 11, flowmeter, 12, stop valve, 13, flexible pipe, 14, liquid feeding rifle, 15. corner fittings,
16. storage tank booster, 17. valve control boxes, 18. chamber doors, 19.LNG storage tanks, a. tops inlet, b. bottom liquid inlet mouths, c. bottoms
Portion's liquid outlet, f. gas phase mouths.
Embodiment
In order that those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and most
The present invention is described in further detail for good embodiment.
As illustrated, the present invention includes the bottom sled that corner is welded with corner fittings 15, the LNG storage tank 19 at bottom sled middle part is fixed on,
The storage tank booster 16 being fixed on the LNG storage tank both sides of bottom sled, and it is fixed on the valve control box at the LNG storage tank rear portion of bottom sled
17, the LNG storage tank bottom liquid inlet mouth b connect storage tank booster by pipeline, and the storage tank supercharger outlet is connected by pipeline
Meet LNG storage tank gas phase mouth f, the LNG storage tank bottom liquid outlet c and liquid feeding rifle 14 is connected by pipeline and flange, the flange is consolidated
It is scheduled in valve control box.In this example, flange connects liquid feeding rifle by flexible pipe 13, and all valves are arranged in valve control box,
Opening chamber door 18 can complete the operation to valve.The present apparatus is arranged on the sled of bottom together with storage tank, and bottom sled corner is welded with container
Corner fittings, linked together by corner fittings and the twist lock on chassis of trailer, facilitate hoisting transportation, and realize car and walk equipment,
It can be conveniently the automobile liquid feeding for needing liquid feeding.Valve control box inner disc is provided with unloads liquid mouth, gas phase by what flange connected
Mouth and boost port, the liquid mouth that unloads connect filling opening a at the top of LNG storage tank bottom liquid inlet mouth b and LNG storage tank by pipeline respectively,
The gas phase mouth by pipeline and be connected storage tank supercharger outlet and LNG storage tank gas phase mouth pipeline penetrate, the boost port with
Storage tank turbocharger inlet connects.Unloaded in this example liquid mouth by pipeline in the first breakthrough point with being connected storage tank turbocharger inlet and LNG
The pipeline insertion of tank bottom inlet, boost port is by pipeline in the second breakthrough point with being connected storage tank turbocharger inlet and LNG
The pipeline insertion of tank bottom inlet, storage tank supercharging stop valve 4 is provided between the first breakthrough point and the second breakthrough point.Unloading liquid
Mouthful, the flange rear portion of gas phase mouth and boost port, which is sequentially provided with, unloads liquid stop valve 1, gas phase stop valve 2, is pressurized stop valve 3.
Between LNG storage tank bottom liquid outlet and flange by pipeline be connected with turn tank bottom go out liquid stop valve 7,
Flowmeter 11 and stop valve 12.
Storage tank gas phase stop valve 8 is provided between the storage tank supercharger outlet and LNG storage tank gas phase mouth and diffuses safe dress
Put.Pressure is higher than safety valve setting pressure, safety valve releasing pressure automatically in LNG storage tank.It is the peace being arranged in parallel to diffuse safety device
Full valve bypass cutoff valve 9 and tank safety valve group 10, can be with manually opened peace when tank safety valve group breaks down or examines
Full valve bypass cutoff valve, realizes safety relief, ensures the pressure of LNG storage tank not over setting pressure.
When liquid feeding works, inlet a at the top of LNG storage tank is closed by tank top feed liquor stop valve 5, closes and is unloading liquid
Mouthful, liquid stop valve 1 is unloaded at the flange rear portion of gas phase mouth and boost port, gas phase stop valve 2, is pressurized stop valve 3.Open storage tank supercharging
Stop valve, LNG storage tank bottom liquid inlet mouth, which goes out after liquid enters storage tank booster, enters LNG storage tank gas phase mouth, is pressurizeed for LNG storage tank,
It is user's liquid feeding LNG liquid is flow to liquid feeding rifle by flowmeter and stop valve from LNG storage tank bottom liquid outlet.
When unloading, open and unloading liquid mouth, liquid stop valve 1, gas phase stop valve are unloaded in the flange rear portion of gas phase mouth and boost port
2, it is pressurized stop valve 3.Close storage tank supercharging stop valve, unload liquid mouth by LNG liquid from tank car add LNG storage tank bottom liquid inlet mouth and
Gas is discharged into gas phase mouth by filling opening at the top of LNG storage tank, LNG storage tank gas phase mouth, and LNG liquid is injected storage tank booster by boost port
Gas phase mouth is returned after supercharging to pressurize for tank car.
Packaged type LNG skid liquid feeding unloading systems can make up the deficiency of gas station, it is not necessary to investment in land, liquid filling station
Reconnaissance is flexible, eliminate LNG vehicles because without liquid feeding website can not liquid feeding, the trouble of long distance transportation can not be carried out, and can root
Transferred at any time according to the market demand, anywhere or anytime for need the LNG vehicles of liquid feeding supplement fuel.Meet green economy, it is low
Carbon expanding economy direction, meet the developing direction of new-energy automobile, be that a kind of flexible efficiently LNG automobiles liquid feeding fills
Put.
The present apparatus is to make the large-scale logistics transportation fleet of fuel using LNG, solves the problems, such as fuel make up in transit；And solve
The problem of gas station ensures normal supply is substituted when certainly gas station repairs；There is no the remote sites of LNG gas stations, there is provided LNG cars
Aerating need；Suitable for ensure the urgent aerating of LNG vehicles, interim aerating, Support needs.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (4)
- A kind of 1. portable LNG skids liquid feeding unloading system, it is characterised in that the bottom sled of corner fittings is welded with including corner, it is fixed LNG storage tank in the middle part of the sled of bottom, the storage tank booster being fixed on the LNG storage tank both sides of bottom sled, and it is fixed on the LNG storages of bottom sled The valve control box at tank rear portion, the LNG storage tank bottom liquid inlet mouth connect storage tank booster, the storage tank booster by pipeline Outlet connects LNG storage tank gas phase mouth by pipeline, and LNG storage tank bottom liquid outlet connects liquid feeding rifle by pipeline and flange, The flange of the liquid feeding rifle is fixed in valve control box, and valve control box inner disc is provided with unloads liquid mouth, gas by what flange connected Phase mouth and boost port, the liquid mouth that unloads connect filling opening at the top of LNG storage tank bottom liquid inlet mouth and LNG storage tank by pipeline respectively, The gas phase mouth by pipeline and be connected storage tank supercharger outlet and LNG storage tank gas phase mouth pipeline penetrate, the boost port with Storage tank turbocharger inlet connects.
- A kind of 2. portable LNG skids liquid feeding unloading system according to claim 1, it is characterised in that the LNG storage tank Bottom liquid inlet mouth is connected with storage tank booster with storage tank booster and is connected with storage tank supercharging stop valve.
- A kind of 3. portable LNG skids liquid feeding unloading system according to claim 1, it is characterised in that the LNG storage tank Tank bottom is connected with turn by pipeline between bottom liquid outlet and flange and goes out liquid stop valve, flowmeter and stop valve.
- A kind of 4. portable LNG skids liquid feeding unloading system according to any one of claim 1 to 3, it is characterised in that Storage tank gas phase stop valve is provided between the storage tank supercharger outlet and LNG storage tank gas phase mouth and diffuses safety device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348244.9A CN107859869A (en) | 2017-12-15 | 2017-12-15 | A kind of portable LNG skids liquid feeding unloading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348244.9A CN107859869A (en) | 2017-12-15 | 2017-12-15 | A kind of portable LNG skids liquid feeding unloading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107859869A true CN107859869A (en) | 2018-03-30 |
Family
ID=61706657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711348244.9A Pending CN107859869A (en) | 2017-12-15 | 2017-12-15 | A kind of portable LNG skids liquid feeding unloading system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107859869A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916645A (en) * | 2018-09-11 | 2018-11-30 | 江苏秋林特能装备股份有限公司 | The lossless fueling station of cryogenic liquid |
| CN110425418A (en) * | 2019-07-31 | 2019-11-08 | 郑州朗润智能装备股份有限公司 | Box LNG aerating skid-mounted device process system and its working method |
-
2017
- 2017-12-15 CN CN201711348244.9A patent/CN107859869A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916645A (en) * | 2018-09-11 | 2018-11-30 | 江苏秋林特能装备股份有限公司 | The lossless fueling station of cryogenic liquid |
| CN110425418A (en) * | 2019-07-31 | 2019-11-08 | 郑州朗润智能装备股份有限公司 | Box LNG aerating skid-mounted device process system and its working method |
| CN110425418B (en) * | 2019-07-31 | 2021-06-04 | 郑州朗润智能装备股份有限公司 | Box type LNG (liquefied Natural gas) filling skid-mounted device process system and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180330 |
|
| WD01 | Invention patent application deemed withdrawn after publication |