CN206247034U - A kind of LNG atmosphere supply and pressure control systems - Google Patents
A kind of LNG atmosphere supply and pressure control systems Download PDFInfo
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- CN206247034U CN206247034U CN201621137223.3U CN201621137223U CN206247034U CN 206247034 U CN206247034 U CN 206247034U CN 201621137223 U CN201621137223 U CN 201621137223U CN 206247034 U CN206247034 U CN 206247034U
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- lng
- phase pipeline
- pressure
- valve
- control systems
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- 239000012071 phase Substances 0.000 claims abstract description 20
- 239000007791 liquid phase Substances 0.000 claims abstract description 16
- 238000002309 gasification Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
This application discloses a kind of LNG atmosphere supply and pressure control systems, gasification comprehensive of being prized including LNG low-temperature storage tanks and unloaded is prized, the LNG low-temperature storage tanks sled includes a horizontal LNG low-temperature storage tanks, the gasification comprehensive sled of unloading includes liquid phase pipeline, gas phase pipeline and output pipe, the horizontal LNG low-temperature storage tanks are respectively communicated with liquid phase pipeline and gas phase pipeline, the output end of the liquid phase pipeline and gas phase pipeline is connected with output pipe respectively, output pipe supplies user, pressure reducing regulating valve is installed on the gas phase pipeline, pressure P1 can be set, boosting pressure regulator valve is provided with the liquid phase pipeline, pressure P2 can be set, main gasifier is disposed with the output pipe, pressure regulator, flowmeter and band pump odorization machine.Equally meet technological requirement after the sheet new technological process of new use, but equipment manufacturing cost is low, good economy performance, energy-saving and emission-reduction.
Description
Technical field
The application is related to LNG supply technologies field, more particularly to a kind of LNG atmosphere supply and pressure control systems.
Background technology
Conventional process flow design is complicated, there is single BOG recuperators and regulator, and 500 are less than for gas supply scale
For the device of mark side, invest excessive, the investment repayment time limit is long, and economy is not high.
Utility model content
The purpose of this utility model is to provide a kind of LNG atmosphere supply and pressure control systems, to overcome deficiency of the prior art.
To achieve the above object, the utility model provides following technical scheme：
The embodiment of the present application discloses a kind of LNG atmosphere supply and pressure control systems, including LNG low-temperature storage tanks sled and gasification comprehensive of unloading
Sled, the LNG low-temperature storage tanks sled includes a horizontal LNG low-temperature storage tanks, and the gasification comprehensive sled of unloading includes liquid phase pipeline, gas phase
Pipeline and output pipe, the horizontal LNG low-temperature storage tanks are respectively communicated with liquid phase pipeline and gas phase pipeline, the liquid phase pipeline and
The output end of gas phase pipeline is connected with output pipe respectively, output pipe supply user, and step-down is provided with the gas phase pipeline
Pressure regulator valve, can set pressure P1, and boosting pressure regulator valve is provided with the liquid phase pipeline, can set pressure P2, the output pipe
On be disposed with main gasifier, pressure regulator, flowmeter and band pump odorization machine.
Preferably, in above-mentioned LNG atmosphere supply and pressure control systems, P2 ＜ P1.
Preferably, in above-mentioned LNG atmosphere supply and pressure control systems, the main gasifier includes the first gasifier being arranged in parallel
With the second gasifier.
Preferably, in above-mentioned LNG atmosphere supply and pressure control systems, the output pipe also on be provided with warning system, the report
Alert system is located at the port of export of main gasifier, and warning system includes temperature sensor and alarm module, and the alarm module is in temperature
Alarm signal is produced during less than 5 °.
Preferably, in above-mentioned LNG atmosphere supply and pressure control systems, the first valve is provided between the pressure regulator and main gasifier
Door, the second valve is provided between flowmeter and band pump odorization machine.
Preferably, in above-mentioned LNG atmosphere supply and pressure control systems, first valve and the second valve two ends are parallel with the 3rd
Valve.
Compared with prior art, the utility model has the advantage of：
1st, technological requirement is equally met after the new technological process of the new use of sheet, but equipment manufacturing cost is low, good economy performance, energy-conservation
Emission reduction.
2nd, this new supercharging realized respectively by booster to horizontal LNG low-temperature storage tanks and LNG tank cars.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 show the principle schematic of LNG atmosphere supply and pressure control systems in the utility model specific embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Detailed description, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of the utility model protection.
With reference to shown in Fig. 1, LNG atmosphere supply and pressure control systems, including LNG low-temperature storage tanks sled 10 and gasification comprehensive sled 20 of unloading,
LNG low-temperature storage tanks sled 10 includes a horizontal LNG low-temperature storage tanks 11, and gasification comprehensive of unloading sled 20 includes liquid phase pipeline
21st, gas phase pipeline 22 and output pipe 23, horizontal LNG low-temperature storage tanks 11 are respectively communicated with liquid phase pipeline 21 and gas phase pipeline 22,
The output end of liquid phase pipeline 21 and gas phase pipeline 22 is connected with output pipe 23 respectively, the supply user of output pipe 23.
Pressure reducing regulating valve PV-1 is installed on gas phase pipeline 22, pressure P1 can be set, when upstream pressure P3 is higher than P1, this valve
Door is opened, and gas phase supply, upstream pressure drops to P1, and PV-1 is closed.
Boosting pressure regulator valve PV-2 is provided with liquid phase pipeline 21, pressure P2 can be set, when downstream pressure P4 is less than P2, this valve
Door is opened, and persistently for LNG, when downstream pressure reaches P2, PV-2 is closed.
Setting value P2 ＜ P1, then under normal Supplying gas condition, pressure of storage tank P can ensure P2 ＜ P ＜ P1, maintain one
In rational pressure range of operation.
For a long time not under supply state, tank pressure P meeting superpressures, but when supply is recovered, PV-1 is automatically opened up, and preferentially uses gas
Phase, tank pressure is reduced, follow-up stabilization supply.
Main gasifier 24, pressure regulator 25, flowmeter 26 and band pump odorization machine 27 are disposed with output pipe 23.
In the technical scheme, using equally meeting technological requirement after new technological process, but equipment manufacturing cost is low, economy
It is good, energy-saving and emission-reduction.
Main gasifier 24 includes the first gasifier 241 and the second gasifier 242 that are arranged in parallel.
Output pipe 23 also on be provided with warning system 28, the warning system 28 be located at main gasifier the port of export, alarm
System includes temperature sensor and alarm module, and the alarm module produces alarm signal when temperature is less than 5 °.
In the technical scheme, when temperature is less than 5 DEG C, illustrate that current gasifier occurs abnormal, it is impossible to normal work, lead to
Switch valve is crossed, another gasifier of parallel connection is enabled, convenient maintenance is changed.
The first valve F01 is provided between pressure regulator 25 and main gasifier 24, between flowmeter 26 and band pump odorization machine 27
It is provided with the second valve F02.
First valve F01 and the second valve F02 two ends are parallel with the 3rd valve F03.
In the technical scheme, when flowmeter breaks down, can be bypassed by the 3rd valve, it is ensured that normal work
And change or maintenance flowmeter.
Gasification comprehensive of unloading sled 20 includes a booster 29, the two ends of the booster 29 by the first pipeline respectively with it is sleeping
Formula LNG low-temperature storage tanks 11 are connected with gas phase pipeline 22, and the first stop valve F04 and the second stop valve are provided with first pipeline
F05, the first stop valve F04 and the second stop valve F05 are located at the both sides of booster 29 respectively, and the two ends of the booster 29 pass through second
Pipeline unloads mouth with LNG tank cars respectively and gas phase pipeline 22 is connected, and the 3rd stop valve F06 and is provided with second pipeline
Four stop valve F07, the 3rd stop valve F06 and the 4th stop valve F07 are located at the both sides of booster 29 respectively.
In the technical scheme, the supercharging to horizontal LNG low-temperature storage tanks 11 and LNG tank cars is realized respectively by booster.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (6)
1. a kind of LNG atmosphere supply and pressure control systems, it is characterised in that gasification comprehensive sled of being prized including LNG low-temperature storage tanks and unloaded, it is described
LNG low-temperature storage tanks sled includes a horizontal LNG low-temperature storage tanks, the gasification comprehensive of unloading prize include liquid phase pipeline, gas phase pipeline and
Output pipe, the horizontal LNG low-temperature storage tanks are respectively communicated with liquid phase pipeline and gas phase pipeline, the liquid phase pipeline and gas phase pipe
The output end on road is connected with output pipe respectively, output pipe supply user, and pressure reducing regulating valve is provided with the gas phase pipeline,
Pressure P1 can be set, boosting pressure regulator valve is provided with the liquid phase pipeline, pressure P2 can be set, set successively on the output pipe
It is equipped with main gasifier, pressure regulator, flowmeter and band pump odorization machine.
2. LNG atmosphere supply and pressure control systems according to claim 1, it is characterised in that：P2 ＜ P1.
3. LNG atmosphere supply and pressure control systems according to claim 1, it is characterised in that：The main gasifier includes being arranged in parallel
The first gasifier and the second gasifier.
4. LNG atmosphere supply and pressure control systems according to claim 3, it is characterised in that：The output pipe also on be provided with report
Alert system, the warning system is located at the port of export of main gasifier, and warning system includes temperature sensor and alarm module, the alarm
Module produces alarm signal when temperature is less than 5 °.
5. LNG atmosphere supply and pressure control systems according to claim 1, it is characterised in that：Between the pressure regulator and main gasifier
The first valve is provided with, the second valve is provided between flowmeter and band pump odorization machine.
6. LNG atmosphere supply and pressure control systems according to claim 5, it is characterised in that：First valve and the second valve two
End is parallel with the 3rd valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621137223.3U CN206247034U (en) | 2016-10-19 | 2016-10-19 | A kind of LNG atmosphere supply and pressure control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621137223.3U CN206247034U (en) | 2016-10-19 | 2016-10-19 | A kind of LNG atmosphere supply and pressure control systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206247034U true CN206247034U (en) | 2017-06-13 |
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ID=58997161
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621137223.3U Expired - Fee Related CN206247034U (en) | 2016-10-19 | 2016-10-19 | A kind of LNG atmosphere supply and pressure control systems |
Country Status (1)
| Country | Link |
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| CN (1) | CN206247034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811422A (en) * | 2022-05-10 | 2022-07-29 | 北京金海鑫压力容器制造有限公司 | Skid-mounted LNG gasification device |
-
2016
- 2016-10-19 CN CN201621137223.3U patent/CN206247034U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811422A (en) * | 2022-05-10 | 2022-07-29 | 北京金海鑫压力容器制造有限公司 | Skid-mounted LNG gasification device |
| CN114811422B (en) * | 2022-05-10 | 2024-03-12 | 北京金海鑫压力容器制造有限公司 | Sled dress formula LNG gasification equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 |