CN207661407U - A kind of LNG multiplexers - Google Patents
A kind of LNG multiplexers Download PDFInfo
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- CN207661407U CN207661407U CN201721557712.9U CN201721557712U CN207661407U CN 207661407 U CN207661407 U CN 207661407U CN 201721557712 U CN201721557712 U CN 201721557712U CN 207661407 U CN207661407 U CN 207661407U
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- liquid
- storage tank
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- lng storage
- lng
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Abstract
The utility model discloses a kind of LNG multiplexers, it includes vaporizer A and LNG storage tank；The one end vaporizer A is pressurized gas phase pipe by tank car and is connected to tank car supercharging gas phase mouth, and the other end is pressurized liquid-phase tube by tank car and is connected to tank car supercharging liquid phase mouth；The one end vaporizer A is connected to gas phase mouth in LNG storage tank by LNG storage tank gas phase pipe, and the other end is connected to liquid phase mouth A under LNG storage tank by LNG storage tank liquid-phase tube；LNG storage tank liquid phase mouth is by above unloading liquid-phase tube and liquid-phase tube of unloading is connected to tank car and unloads liquid phase mouth, and liquid phase mouth A is connected to tank car by LNG storage tank liquid-phase tube, liquid-phase tube of unloading and unloads liquid phase mouth under LNG storage tank；Gas phase mouth is connected to downstream pipe interface by supplying gas phase pipe in LNG storage tank, and liquid phase mouth B is connected to downstream pipe interface by supplying liquid-phase tube under LNG storage tank.The device combines the technique independently said good-bye in the prior art and device, simplifies technique and apparatus structure, saves plant construction cost, reduces on-site installation work amount.
Description
Technical field
The utility model is related to the fields LNG, refer in particular to a kind of LNG multiplexers.
Background technology
LNG obtains very extensive application in the fields such as industrial, civilian in recent years as a kind of important clean energy resource.
LNG air feed craft flows generally include LNG unload, tank car supercharging, LNG storage, LNG gas supply, LNG storage tank supercharging,
The processes such as pressure regulation for gas supply.Corresponding process unit is LNG unloading units, tank car supercharging device, LNG storage devices, LNG storage tank increasing
Pressure device, pressure regulation for gas supply device.And in the prior art, each technique and device independent dispersion cause device design cumbersome, share profit
Poor with rate, in-site installation quantities is big, and project construction is of high cost, and control logic is complicated, interactive interlocking realization between technique
Difficulty is big, exists and controls cumbersome, maintenance inconvenience, the high problem of device operational safety risk.
Utility model content
The purpose of this utility model is that：In view of the above problems, a kind of LNG multiplexers are provided, which will
The technique and device independently said good-bye in the prior art combine, and simplify technique and apparatus structure, save plant construction cost,
Reduce on-site installation work amount.
The technical solution adopted in the utility model is as follows：
The utility model discloses a kind of LNG multiplexers, it includes vaporizer A and LNG storage tank；The vaporizer A mono-
End is pressurized gas phase pipe by tank car and is connected to tank car supercharging gas phase mouth, and the other end is pressurized liquid-phase tube by tank car and is connected to tank car increasing
Press liquid phase mouth；The one end the vaporizer A is connected to gas phase mouth in LNG storage tank by LNG storage tank gas phase pipe, and the other end passes through LNG
Storage tank liquid-phase tube is connected to liquid phase mouth A under LNG storage tank；The LNG storage tank liquid phase mouth passes through liquid-phase tube and the liquid of unloading of above unloading
Phase pipe is connected to tank car and unloads liquid phase mouth, and liquid phase mouth A is connected to slot by LNG storage tank liquid-phase tube, liquid-phase tube of unloading under LNG storage tank
Vehicle is unloaded liquid phase mouth；Gas phase mouth is connected to downstream pipe interface, the LNG storage tank by supplying gas phase pipe in the LNG storage tank
Lower liquid phase mouth B is connected to downstream pipe interface by supplying liquid-phase tube.
The LNG multiplexers of the utility model, it is full-featured to integrate the technique of independent dispersion in the prior art and device
It is integrated, can realize that tank car is unloaded, the tank car during tank car is unloaded is pressurized, and realizes the storage of LNG, realizes that LNG storage tank is
LNG storage tank supercharging during downstream pipe gas supply keeps storage tank constant pressure.
In the prior art, tank car supercharging device, LNG storage tank supercharging device are independently arranged, need to without interrelated
It to be pressurized by independent supercharging device, cause installation area big, in-site installation is difficult.And in the utility model, lead to
Overflash A combines tank car supercharging device and LNG storage tank supercharging device, and a vaporizer A can either be that tank car is pressurized,
It can be that LNG storage tank is pressurized again, make vaporizer A a tractor serves several purposes, save device usage quantity, reduce device manufacturing cost, subtract
Few installation area, is convenient for device in-site installation.Multiple process units combine simultaneously, are easy to use, control is safeguarded
It is convenient.
Further, vaporizer B and vaporizer parallel with one another are additionally provided between the LNG storage tank and downstream pipe interface
C, the gas supply gas phase pipe and gas supply liquid-phase tube are connected to downstream pipe by vaporizer B and vaporizer C parallel with one another respectively
Interface.
Due to above structure, pass through vaporizer B by supplying gas phase pipe and supplying the LNG that liquid-phase tube comes out in LNG storage tank
It can further be vaporized with after vaporizer C, when ensureing that LNG is that downstream pipe supplies, there is enough pressure and temperatures.
Further, LNG re-heats are also parallel on the vaporizer B and vaporizer C to the pipeline between downstream pipe interface
Device.
Due to above structure, LNG can be further vaporized by LNG recuperators, avoid vaporizer B and vaporizer C
LNG is not vaporized fully, influences the gas supply of downstream pipe.
Further, downstream pipe interface front end is also serially connected with pressure regulating metering device, and the pressure regulating metering device passes through electricity
Signal connects device for adding odor, and the device for adding odor is connected by pipeline and valve with downstream pipe interface.
Due to above structure, pressure regulating metering device can adjust gas supply during LNG pressure and statistics gas supply during
Flow, ensure downstream pipe gas supply safety.Inflammable and explosive due to LNG gas colorless and odorless, when leakage, is not easy to find, because
This needs to add odorant into LNG gases；It is connected with pressure regulating metering device electric signal by device for adding odor, enables device for adding odor
Enough gas supply flow sizes counted according to pressure regulating metering device determine the amount of addition odorant.
Further, it is serially connected with direct-operated regulator A on the LNG storage tank liquid-phase tube, is concatenated on the gas supply gas phase pipe
There is direct-operated regulator B, be serially connected with direct-operated regulator C on the gas supply liquid-phase tube.
Direct-operated regulator pressure regulator valve can automatically adjust valve aperture according to the pressure size in pipe-line system.Therefore
It is big that direct-operated regulator A on LNG storage tank liquid-phase tube can automatically adjust valve aperture according to the pressure size in LNG storage tank
It is small, ensure the pressure regulation safety of LNG storage tank.Direct-operated regulator B and C can be automatically adjusted according to downstream pipe air demand size
Valve opening ensures gas supply safety.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：
The device of the utility model can realize unload, supercharging of unloading, LNG storages, pressure regulation for gas supply, vaporization plus the works such as smelly
Skill combines the technique independently said good-bye in the prior art and device, simplifies technique and apparatus structure, saves plant construction
Cost reduces on-site installation work amount, is convenient for on-site maintenance and control, convenient for promoting and using, has a wide range of application.
Description of the drawings
Fig. 1 is the structure chart in the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
A kind of LNG multiplexers, it includes vaporizer A14 and LNG storage tank 4；The one end the vaporizer A14 is increased by tank car
Mutually pipe 15 of calming the anger is connected to tank car supercharging gas phase mouth, and the other end is pressurized liquid-phase tube 13 by tank car and is connected to tank car supercharging liquid phase
Mouthful；It is provided with valve m1501 on the tank car supercharging gas phase pipe 15, valve l1301 is provided on tank car supercharging liquid-phase tube 13；
The vaporizer A is pressurized during being used to unload to tank car, and the LNG in tank car is flowed out from tank car supercharging liquid phase mouth,
Enter vaporizer A14 through valve l1301, vaporizer A after LNG vaporization, will be such that LNG gases are pressurized from tank car after valve m1501
Gas phase mouth returns in tank car, makes to increase inside tank car, be unloaded into LNG storage tank convenient for the LNG in tank car.
The LNG storage tank liquid phase mouth 401 is by above unloading liquid-phase tube 3 and liquid-phase tube 2 of unloading is connected to tank car and unloads liquid
Phase mouth, it is described on unload and be provided with valve c301 on liquid-phase tube 3, be provided with valve a201 and valve b202 on liquid-phase tube 2 of unloading；
On unload liquid-phase tube 3 and liquid-phase tube 2 of unloading node between valve a201 and valve b202, valve a201 is unloaded close to tank car
Vehicle liquid phase mouth；Liquid phase mouth A403 is connected to tank car by LNG storage tank liquid-phase tube 12, liquid-phase tube 2 of unloading and unloads liquid phase under LNG storage tank
Mouthful；Liquid-phase tube 2 of wherein unloading be located at the node for crossing LNG storage tank liquid-phase tube 12 direct-operated regulator A1201 and valve k1202 it
Between.
During tank car is unloaded, LNG in tank car from tank car unload liquid phase mouth outflow through valve a201, valve c301 from
LNG storage tank liquid phase mouth 401 enters in LNG storage tank；LNG in tank car unloads liquid phase mouth outflow through valve a201, valve from tank car
Door b202, valve k1202 liquid phase mouth A1201 under LNG storage tank enter in LNG storage tank；
The one end the vaporizer A14 is connected to gas phase mouth 402 in LNG storage tank by LNG storage tank gas phase pipe 1, and the other end is logical
It crosses LNG storage tank liquid-phase tube 12 and is connected to liquid phase mouth A403 under LNG storage tank；It is provided with valve 101 on the LNG storage tank gas phase pipe 1,
Valve k1202 and direct-operated regulator A1201 are provided on LNG storage tank liquid-phase tube 12；Wherein valve k1202 is close to LNG storage tank
Lower liquid phase mouth A, direct-operated regulator A1201 is close to vaporizer A14.
The vaporizer A be LNG storage tank supercharging, convenient for for LNG storage tank as air source be downstream pipe supply.LNG storage tank
In pressurization, LNG liquid phase mouth A403 under LNG storage tank flow out, and vapour is entered after valve k1202, direct-operated regulator A1201
Change device A to be vaporized, then be returned in LNG storage tank from gas phase mouth in LNG storage tank 402 after valve 101.Direct-operated regulator A roots
According to the pressure-regulating valve door opening size of LNG storage tank, when LNG storage tank internal pressure is lower, the aperture of direct-operated regulator A is got over
Greatly, otherwise it is smaller；When pressure of storage tank value reaches the cutoff value of setting direct-operated regulator A, direct-operated regulator A shutdowns.
Gas phase mouth 402 is connected to downstream pipe interface by supplying gas phase pipe 5 in the LNG storage tank, under the LNG storage tank
Liquid phase mouth B404 is connected to downstream pipe interface by supplying liquid-phase tube 11.
It is provided with valve d501 and direct-operated regulator B502 on gas supply gas phase pipe 5, supplies and is provided with valve on liquid-phase tube 11
Door j1101 and direct-operated regulator C1102.
During gas supply, when pressure of storage tank is greater than the set value P, gas phase pipeline gas supply, valve d501 is opened, self-operated type tune
Save the aperture that valve B adjusts direct-operated regulator B according to downstream pipe gas consumption；When pressure of storage tank is less than setting value P, liquid-phase tube
Road supplies, and valve d501 is closed, and valve j1101 is opened, and direct-operated regulator C adjusts self-operated type tune according to downstream pipe gas consumption
Save the aperture of valve B.
Vaporizer B6 parallel with one another and vaporizer C10, institute are additionally provided between the LNG storage tank 4 and downstream pipe interface
It states gas supply gas phase pipe 5 and gas supply liquid-phase tube 11 is connected to downstream tube by vaporizer B6 and vaporizer C10 parallel with one another respectively
Road interface.The front ends vaporizer B6 are provided with valve e601, and the front ends vaporizer C10 are provided with valve i1001；During gas supply
LNG vaporization amount demand, vaporizer B and C can work together or work independently.
It is also parallel with LNG recuperators 7 on the vaporizer B6 and vaporizer C10 to the pipeline between downstream pipe interface.Institute
LNG recuperators are stated by valve f701 and valve g702, are connected in parallel on the valve h703 of the pipeline.
During gas supply, LNG evaporating capacities after vaporizer B and/or vaporizer C are insufficient, can pass through valve f701 and valve
Door g702, which enters LNG recuperators, to be continued to vaporize.When LNG recuperators work, valve h703 is closed.
Downstream pipe interface front end is also serially connected with pressure regulating metering device 9, and the pressure regulating metering device 9 is connected by electric signal
Device for adding odor 8, the device for adding odor 8 are connected by pipeline and valve with downstream pipe interface.Pressure regulating metering device adjusts gas supply
Pressure counts air demand, and device for adding odor is according to the dripping quantity of the big minor adjustment odorant of air demand.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (5)
1. a kind of LNG multiplexers, which is characterized in that it includes vaporizer A（14）And LNG storage tank（4）；The vaporizer A
（14）One end is pressurized gas phase pipe by tank car（15）It is connected to tank car supercharging gas phase mouth, the other end is pressurized liquid-phase tube by tank car
（13）It is connected to tank car supercharging liquid phase mouth；The vaporizer A（14）One end passes through LNG storage tank gas phase pipe（1）It is connected to LNG storage tank
Upper gas phase mouth（402）, the other end passes through LNG storage tank liquid-phase tube（12）It is connected to liquid phase mouth A under LNG storage tank（403）；The LNG
Storage tank liquid phase mouth（401）Pass through liquid-phase tube of above unloading（3）With liquid-phase tube of unloading（2）It is connected to tank car to unload liquid phase mouth, LNG storages
Liquid phase mouth A under tank（403）Pass through LNG storage tank liquid-phase tube（12）, liquid-phase tube of unloading（2）Tank car is connected to unload liquid phase mouth；It is described
Gas phase mouth in LNG storage tank（402）By supplying gas phase pipe（5）It is connected to downstream pipe interface, liquid phase mouth B under the LNG storage tank
（404）By supplying liquid-phase tube（11）It is connected to downstream pipe interface.
2. LNG multiplexers according to claim 1, it is characterised in that：The LNG storage tank（4）With downstream pipe interface
Between be additionally provided with vaporizer B parallel with one another（6）With vaporizer C（10）, the gas supply gas phase pipe（5）With gas supply liquid-phase tube（11）
Pass through vaporizer B parallel with one another respectively（6）With vaporizer C（10）It is connected to downstream pipe interface.
3. LNG multiplexers according to claim 2, it is characterised in that：The vaporizer B（6）With vaporizer C（10）Extremely
LNG recuperators are also parallel on pipeline between downstream pipe interface（7）.
4. LNG multiplexers according to claim 3, it is characterised in that：Downstream pipe interface front end is also serially connected with pressure regulation
Metering device（9）, the pressure regulating metering device（9）Device for adding odor is connected by electric signal（8）, the device for adding odor（8）Pass through
Pipeline and valve are connected with downstream pipe interface.
5. the LNG multiplexers according to one of Claims 1-4, it is characterised in that：The LNG storage tank liquid-phase tube（12）
On be serially connected with direct-operated regulator A（1201）, the gas supply gas phase pipe（5）On be serially connected with direct-operated regulator B（502）, it is described
Supply liquid-phase tube（11）On be serially connected with direct-operated regulator C（1102）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557712.9U CN207661407U (en) | 2017-11-20 | 2017-11-20 | A kind of LNG multiplexers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557712.9U CN207661407U (en) | 2017-11-20 | 2017-11-20 | A kind of LNG multiplexers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661407U true CN207661407U (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721557712.9U Active CN207661407U (en) | 2017-11-20 | 2017-11-20 | A kind of LNG multiplexers |
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| CN (1) | CN207661407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816631A (en) * | 2017-11-20 | 2018-03-20 | 成都华气厚普机电设备股份有限公司 | A kind of LNG multiplexers |
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2017
- 2017-11-20 CN CN201721557712.9U patent/CN207661407U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816631A (en) * | 2017-11-20 | 2018-03-20 | 成都华气厚普机电设备股份有限公司 | A kind of LNG multiplexers |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610041 No.3, floor 11, building 6, no.599, shijicheng South Road, Chengdu high tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu City, Sichuan Province Patentee after: Houpu clean energy Co.,Ltd. Address before: 610041, No. 11, No. 6, No. 599, No. 3 South City Road, Chengdu hi tech Development Zone, Sichuan Patentee before: CHENGDU HUAQI HOUPU HOLDING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.3, 11th floor, building 6, no.599, shijicheng South Road, Chengdu hi tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan 610041 Patentee after: Houpu clean energy (Group) Co.,Ltd. Address before: No.3, 11th floor, building 6, no.599, shijicheng South Road, Chengdu hi tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan 610041 Patentee before: Houpu clean energy Co.,Ltd. |