CN205979160U - LNG (liquefied natural gas) gasification station - Google Patents
LNG (liquefied natural gas) gasification station Download PDFInfo
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- CN205979160U CN205979160U CN201620847429.9U CN201620847429U CN205979160U CN 205979160 U CN205979160 U CN 205979160U CN 201620847429 U CN201620847429 U CN 201620847429U CN 205979160 U CN205979160 U CN 205979160U
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- storage tank
- lng
- pipeline
- bog
- gasification station
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Abstract
The utility model discloses a LNG (liquefied natural gas) gasification station, LNG (liquefied natural gas) gasification station include the LNG storage tank, the pipeline of unloading, storage tank liquid outlet pipe and BOG discharge the pipeline, unload pipeline and storage tank liquid outlet pipe respectively with the LNG storage tank links to each other, storage tank liquid outlet pipe includes empty wet spinning disk atomiser, wherein, BOG discharges the one end of pipeline and connects the LNG storage tank and the unload gas exports of pipeline, the other end is connected the entry end of empty wet spinning disk atomiser. The utility model discloses discharging the pipeline with BOG and being connected to storage tank liquid outlet pipe, BOG discharges through empty wet spinning disk atomiser, reduces BOG vaporizer and the design of corresponding pipeline and the economic input of manufacturing.
Description
Technical field
This utility model is related to a kind of LNG gasification station, specifically, is the BOG pipeline being related to LNG gasification station.
Background technology
LNG (liquefied natural gas) gasification station can be divided into single-point direct-furnish gas according to the difference of supply object
Change station and LNG satellite station, the LNG in order to receive, to store and upstream of gasifying is purchased comes to local supply.
The technological process at LNG gasification station is generally：LNG is transported to gasification station by tank car, and tank car pressure is balanced with pressure of storage tank
Afterwards, so that groove interior pressure is increased, LNG in tank car is delivered to storage in LNG storage tank.When arranging outside LNG storage tank, first pass through storage tank
From pressure charging system, make pressure of storage tank raise, then open storage tank liquid-phase outlet valve, by pressure differential, the LNG in storage tank sent
To gasifier, through pressure regulation, metering, add the municipal gas ductwork of the operation feeding such as smelly or gas fired-boiler.
Daily boil-off-rate due to the LNG in LNG basin and LNG tank car is about 0.3%, and (temperature is relatively for this part boil-off gas
Low) abbreviation BOG flash steam (Boil Off Gas), make the pressure rise of basin gas-phase space.For ensureing safety and the dress of basin
The needs unloaded, are provided with BOG discharge pipe in the design.
As shown in figure 1, in prior art, the arrival end A of BOG discharge pipe 10 connects the gas of LNG storage tank and LNG tank car
Mutually export, port of export B connects air temperature gasifier 21 outlet side on storage tank drain pipe road 20, the BOG gas producing is passed through BOG
After gasifier 11, then converge with the natural gas after air temperature gasifier 2 gasification on storage tank drain pipe road 20.
In prior art, the BOG gasifier of special setting BOG gasification, increased equipment investment and maintenance cost.
Utility model content
The purpose of this utility model is to provide a kind of LNG gasification station, its BOG discharge pipe has been carried out simplify design, has taken
Disappeared BOG gasifier.
To achieve these goals, LNG gasification station of the present utility model, goes out liquid including LNG storage tank, pipeline of unloading, storage tank
Pipeline and BOG discharge pipe, described unload pipeline and storage tank drain pipe road is connected with described LNG storage tank respectively, described storage
Tank drain pipe road includes air temperature gasifier, and wherein, one end of described BOG discharge pipe connects described LNG storage tank and described unloads
The gaseous phase outlet of car pipeline, the other end connects the arrival end of described air temperature gasifier.
In one embodiment at above-mentioned LNG gasification station, described BOG discharge pipe includes pressure reducing regulating valve.
In one embodiment at above-mentioned LNG gasification station, described BOG discharge pipe also includes in parallel with described pressure reducing regulating valve
The stop valve connecting.
In one embodiment at above-mentioned LNG gasification station, described air temperature gasifier is two, and is connected in parallel.
In one embodiment at above-mentioned LNG gasification station, each described air temperature gasifier is connected a stop valve respectively.
Beneficial functional of the present utility model is, BOG discharge pipe is connected to storage tank drain pipe road by this utility model,
BOG is discharged by air temperature gasifier, reduces BOG gasifier and the design of respective line and the economic input of manufacture.
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail, but not as to this utility model
Restriction.
Brief description
Fig. 1 is the process chart of the BOG discharge pipe at existing LNG gasification station；
Fig. 2 is the process chart of LNG gasification station of the present utility model and its BOG discharge pipe.
Wherein, reference
In prior art：
10 BOG discharge pipes
11 BOG gasifiers
20 storage tank drain pipe roads
21 air temperature gasifiers
In this utility model：
100 LNG storage tank
200 storage tank pressure pipings
300 storage tank drain pipe roads
310 air temperature gasifiers
320 stop valves
400 unload pipeline
500 BOG discharge pipes
510 pressure reducing regulating valves
520 stop valves
Specific embodiment
With specific embodiment, technical solutions of the utility model are described in detail below in conjunction with the accompanying drawings, with further
Understand the purpose of this utility model, scheme and effect, but be not intended as the limit of this utility model scope of the appended claims
System.
As shown in Fig. 2 LNG gasification station of the present utility model includes LNG storage tank 100, storage tank pressure piping 200, storage tank go out
Liquid pipeline 300, unload pipeline 400 and BOG discharge pipe 500.
Unload pipeline 400 and storage tank drain pipe road 300 is connected with LNG storage tank 100 respectively, storage tank drain pipe road 300 is wrapped
Include air temperature gasifier 310.Wherein, one end C of BOG discharge pipe 500 connects LNG storage tank 100 and the gas phase of pipeline 400 of unloading
Outlet, the other end D of BOG discharge pipe 500 connects the arrival end of the air temperature gasifier 310 on storage tank drain pipe road 300, makes BOG
Discharged by air temperature gasifier 310.
BOG discharge pipe 500 includes pressure reducing regulating valve 510 and the stop valve 520 being connected in parallel with pressure reducing regulating valve 510.
The technological process at LNG gasification station of the present utility model is：
What the LNG in tank car passed through at unloading deck unloads supercharging gasifier 410 to container storage tank supercharging, using pressure reduction
LNG is delivered to LNG storage tank 100 store.
Under working condition, using storage tank pressure piping 200, LNG storage tank 100 is pressurized, the low temperature LNG after supercharging, enters
Enter the air temperature gasifier 310 on storage tank drain pipe road 300, with air heat-exchange after be converted into gaseous state NG and rise high-temperature.
Wherein, BOG discharge pipe 500 is connected with storage tank drain pipe road 300, medium design pressure reducing regulating valve 510 and cut-off
Valve 520, BOG is discharged by air temperature gasifier 310.
Last gaseous state NG through pressure regulation, metering, plus smelly after send into gas pipeline, for gas equipment use.
As shown in Fig. 2 air temperature gasifier 310 is two, and it is connected in parallel.For ensureing pipeline safety, each air temperature gasification
Device 310 is connected a stop valve 320 respectively.
Because system is in normal work, be not in the discharge of BOG gas, this utility model is by BOG discharge pipe even
It is connected to storage tank drain pipe road, BOG is discharged by air temperature gasifier, reduce the design of BOG gasifier and respective line and manufacture
Economic input.
Certainly, this utility model also can have other multiple case study on implementation, without departing substantially from this utility model spirit and its essence
In the case of, those of ordinary skill in the art work as and can make various corresponding changes and deformation according to this utility model, but this
Corresponding change and deformation all should belong to the scope of the claims appended by this utility model a bit.
Claims (5)
1. a kind of LNG gasification station, including LNG storage tank, pipeline of unloading, storage tank drain pipe road and BOG discharge pipe, described unloads
Pipeline and storage tank drain pipe road are connected with described LNG storage tank respectively, and described storage tank drain pipe road includes air temperature gasifier, and it is special
Levy and be, one end of described BOG discharge pipe connects the gaseous phase outlet of described LNG storage tank and described pipeline of unloading, the other end
Connect the arrival end of described air temperature gasifier.
2. LNG gasification station according to claim 1 is it is characterised in that described BOG discharge pipe includes pressure reducing regulating valve.
3. LNG gasification station according to claim 2 is it is characterised in that described BOG discharge pipe also includes and described blood pressure lowering
The stop valve that pressure regulator valve is connected in parallel.
4. LNG gasification station according to claim 1 is it is characterised in that described air temperature gasifier is two, and in parallel even
Connect.
5. LNG gasification station according to claim 1 is it is characterised in that each described air temperature gasifier connects one section respectively
Only valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847429.9U CN205979160U (en) | 2016-08-05 | 2016-08-05 | LNG (liquefied natural gas) gasification station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847429.9U CN205979160U (en) | 2016-08-05 | 2016-08-05 | LNG (liquefied natural gas) gasification station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205979160U true CN205979160U (en) | 2017-02-22 |
Family
ID=58030197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620847429.9U Active CN205979160U (en) | 2016-08-05 | 2016-08-05 | LNG (liquefied natural gas) gasification station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205979160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506722A (en) * | 2018-04-25 | 2018-09-07 | 天津良华新能源科技有限公司 | A kind of LNG gasification station |
-
2016
- 2016-08-05 CN CN201620847429.9U patent/CN205979160U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506722A (en) * | 2018-04-25 | 2018-09-07 | 天津良华新能源科技有限公司 | A kind of LNG gasification station |
| CN108506722B (en) * | 2018-04-25 | 2023-10-10 | 天津良华新能源科技股份有限公司 | LNG gasification station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |