CN205956757U - Novel LNG gas supply system - Google Patents
Novel LNG gas supply system Download PDFInfo
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- CN205956757U CN205956757U CN201620870464.2U CN201620870464U CN205956757U CN 205956757 U CN205956757 U CN 205956757U CN 201620870464 U CN201620870464 U CN 201620870464U CN 205956757 U CN205956757 U CN 205956757U
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- finned tube
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Abstract
The utility model belongs to the technical field of air supply equipment, the novel LNG gas supply system who provides, including liquid storage pot and the vaporizer that connects gradually, the vaporizer includes the first fin nest of tubes, the second fin nest of tubes, the third fin nest of tubes and the fourth fin nest of tubes that connects gradually vertical setting, and the liquid storage pot setting is inside the jar body space that the first fin nest of tubes, the second fin nest of tubes, the third fin nest of tubes and the fourth fin nest of tubes enclose, and the first fin nest of tubes, the second fin nest of tubes, the third fin nest of tubes and fourth finned tube component do not set up four angle departments in jar body space, the vaporizer connects gradually through pipe -line system and with smelly ware, one -level relief pressure valve, primary safety valve for inner container, one -level manometer, second grade relief pressure valve, second grade relief valve and secondary pressure table. The utility model discloses conceive ingeniously, easy and simple to handle, solved among the prior art vaporizer be heated uneven volume of influencing the gasification and gasification efficiency, and had the technical problem of steam raising in the LNG stock solution bottle.
Description
Technical field
This utility model belongs to air feed equipment technical field, is related to a kind of new LNG air supply system.
Background technology
In order to vigorously promote the use clean energy resource, improve urban energy structure, solve the problems, such as the much ground of city surface source pollution
Area actively pushes forward coal and changes gas engineering, but the gas form volume of liquefied natural gas is too big and volatile, and therefore liquefied natural gas is put down
Often how with liquid form storage, gasify through gasification installation during use and use.
Liquefied natural gas gasifying device generally includes liquefied natural gas fluid reservoir, process pipe, valve, gasifier, concentration
Bleeding device and regulator etc., the separate floor space of each equipment scattering device is big, and when using, gasifier is heated inequality
The phenomenon of fin icing easily occurs so that temperature is relatively low in whole gasification, reduce amount of vaporization and overall gasification efficiency.
In addition, LNG actual storage ambient temperature is far above condensing temperature, and, adopting Dewar flask to hold as storage more at small-sized the LNG gasification station
Device although Dewar flask possesses the effect of insulation, but heat-insulated can not possibly reach 100%, in bottle, temperature can rise unavoidably, causes
Boosting in bottle, therefore LNG is constantly present the situation of steam raising.
Utility model content
The utility model proposes a kind of new LNG air supply system, solve each equipment scattering device in prior art mutual
Independent floor space is big, and gasifier is heated in uneven impact amount of vaporization and gasification efficiency, and LNG liquid containing bottle and there is steam raising
Technical problem.
The technical solution of the utility model is realized in：
New LNG air supply system, including the fluid reservoir being sequentially connected and gasifier,
Described gasifier includes being sequentially connected and the first vertically arranged finned tube group, the second finned tube group, the 3rd fin
Pipe group and the 4th finned tube group,
Described fluid reservoir be arranged on described first finned tube group, described second finned tube group, described 3rd finned tube group and
The tank body interior volume that described 4th finned tube group is surrounded,
Described tank body spatial form is cube, described first finned tube group, described second finned tube group, described 3rd wing
Piece pipe group and described 4th finned tube group are separately positioned at four angles in described tank body space,
Described gasifier pass through pipe-line system with plus smelly device, one-level pressure relief valve, primary safety valve for inner container, first class pressure table, two grades
Air relief valve, secondary safety valve and secondary pressure table are sequentially connected,
There is space between described gasifier and described fluid reservoir outer rim.
As further technical scheme, described gap lengths are 1 with the ratio of described fluid reservoir diameter:4～6.
As further technical scheme, in described fluid reservoir, it is provided with temperature sensor, pressure transducer and liquid level prison
Survey device, described temperature sensor, described pressure transducer and described leve monitor are all connected with controller.
As further technical scheme, described pipe-line system is provided with the electromagnetic valve being connected with described controller.
As further technical scheme, described fluid reservoir and described gasifier are arranged in air tower, described supply
Fire extinguisher and combustible gas monitoring device are provided with cabinet,
Described combustible gas monitoring device is connected with described controller.
As further technical scheme, described first finned tube group, described second finned tube group, described 3rd finned tube
Group and described 4th finned tube group all include 1～5 finned tube, and described finned tube is tapered or arc is distributed.
This utility model use principle and having the beneficial effect that：
1st, this utility model is when arranging outside LNG liquid, first pass through fluid reservoir from pressure charging system, make liquid storage pressure tank liter
Height, then opens fluid reservoir liquid-phase outlet valve, by pressure differential, the LNG in fluid reservoir is delivered to gasifier, sequentially pass through first
After finned tube group, the second finned tube group, the 3rd finned tube group and the 4th finned tube group gradually gasify, through plus smelly, pressure regulation, metering etc.
Operation sends into municipal gas ductwork.Wherein, during use, the first finned tube group, the second finned tube group, the 3rd finned tube group and the 4th
The fin of finned tube group constantly will absorb heat from surrounding, provide energy needed for gasification for the liquid in gasifier, enter
And nearby temperature is relatively low to make different finned tube groups.Again due to the first finned tube group, the second finned tube group, the 3rd finned tube group and
4th finned tube group is separately positioned at four angles in tank body space, under the collective effect of four finned tube groups, tank body space
Interior temperature is minimum and each regional temperature uniformly, fluid reservoir is arranged in the middle of tank body space, has been effectively ensured residing for fluid reservoir
The ambient temperature in region remains at low levels all the time, and each position of bottle is heated evenly, and effectively prevent fluid reservoir long-term
Under use from surrounding draw heat, cause temperature rising in bottle, pressure rise, produce liquid gasification evaporation etc. phenomenon,
Avoid simultaneously bottle be heated for a long time inequality cause the phenomenon of bottle unstability to occur, this setting effectively increase equipment use when
Safety.
In addition, this setting changes traditional air-heating type gasifier concentrates heat absorption, the natural mode of gasification, will be centralized
Gasification installation carry out distributing setting, in gasifier each finned tube group has been effectively ensured and all can be fully contacted with air and be subject to
Heat is uniformly, it is to avoid the probability freezing in fin, thus ensure that moderate temperature in whole gasification, effectively increases
Amount of vaporization and overall gasification efficiency.Meanwhile, gasifier is combined with fluid reservoir and is effectively utilized fluid reservoir by this utility model
Peripheral space, the overall floor space of the system that saves, system layout more science, rationally.
Meanwhile, there is a fixed gap between gasifier and fluid reservoir outer rim, it is to avoid different finned tube groups absorb heat
Amount excessively causes environment temperature too low so that damaging occurs in fluid reservoir, and affects it and normally uses.
2nd, it is provided with temperature sensor, pressure transducer and leve monitor, user Ke Gen in this utility model fluid reservoir
Recognize the relevant information (as temperature, pressure or liquid level etc. in bottle) of fluid reservoir according to its detection data at any time, and according to concrete feelings
Condition makes control by controller to other equipment or device, to guarantee safety and stability when equipment uses.
3rd, this utility model fluid reservoir and gasifier are arranged in air tower, and air tower is provided with fire extinguisher and flammable
Gas controlling device, if use when something unexpected happened occur gas leakage or burn, fire extinguisher can automatic sensing dangerous situation, automatically
Spray extinguishing medium, combustible gas monitoring device transfers information to controller simultaneously, have controller to control associated alarm device
Reminded or closed related valve, it is to avoid gas is continued to leak, dangerous situation continues to spread.This setting effectively increases equipment and makes
Safety, reduces the probability that operator cause danger.
4th, this utility model the first finned tube group, the second finned tube group, the 3rd finned tube group and the 4th finned tube group are all wrapped
Include 1～5 finned tube, finned tube is tapered or arc is distributed, can be according to the size of supply demand or fluid reservoir, it is suitable to select
, it is ensured that the use demand of different user, simply, stably, design science is reasonable for structure for combining form.
Brief description
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
Fig. 1 is this utility model structural representation；
Fig. 2 is air tower structural representation in this utility model；
Fig. 3 is control structure wire schematic diagram in this utility model；
In figure：1- fluid reservoir, 2- gasifier, 21- the first finned tube group, 22- the second finned tube group, 23- the 3rd finned tube
Group, 24- the 4th finned tube group, 25- tank body space, 3- pipe-line system, 4- combustible gas monitoring device, 5- one-level pressure relief valve, 6-
Primary safety valve for inner container, 7- first class pressure table, 8- second depressurized valve, 9- secondary safety valve, 10- secondary pressure table, 11- space, 12- temperature
Degree sensor, 13- pressure transducer, 14- leve monitor, 15- controller, 16- electromagnetic valve, 17- air tower, 18- fire extinguisher.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
As shown in Figures 1 to 3, the utility model proposes new LNG air supply system, including fluid reservoir 1 He being sequentially connected
Gasifier 2,
Gasifier 2 includes being sequentially connected and the first vertically arranged finned tube group 21, the second finned tube group 22, the 3rd fin
Pipe group 23 and the 4th finned tube group 24,
Fluid reservoir 1 is arranged on the first finned tube group 21, the second finned tube group 22, the 3rd finned tube group 23 and the 4th finned tube
Inside the tank body space 25 that group 24 is surrounded,
Tank body space 25 is shaped as cube, the first finned tube group 21, the second finned tube group 22, the 3rd finned tube group 23 and
4th finned tube group 24 is separately positioned at four angles in tank body space 25,
Gasifier 2 passes through pipe-line system 3 and adds smelly device, one-level pressure relief valve 5, primary safety valve for inner container 6,7, two grades of first class pressure table
Air relief valve 8, secondary safety valve 9 and secondary pressure table 10 are sequentially connected,
There is space 11 between gasifier 2 and fluid reservoir 1 outer rim.
When arranging outside LNG liquid, first pass through fluid reservoir 1 from pressure charging system, make fluid reservoir 1 pressure rise, then open
LNG in fluid reservoir 1 is delivered to gasifier 2 by pressure differential by fluid reservoir 1 liquid-phase outlet valve, sequentially passes through the first finned tube group
21st, after the second finned tube group 22, the 3rd finned tube group 23 and the 4th finned tube group 24 gradually gasify, through plus smelly, pressure regulation, metering etc.
Operation sends into municipal gas ductwork.Wherein, during use, the first finned tube group 21, the second finned tube group 22, the 3rd finned tube group 23
Heat constantly will be absorbed from surrounding with the fin of the 4th finned tube group 24, provide gasification institute for the liquid in gasifier 2
Need energy, and then nearby temperature is relatively low to make different finned tube groups.Again due to the first finned tube group 21, the second finned tube group 22,
3rd finned tube group 23 and the 4th finned tube group 24 are separately positioned at four angles in tank body space 25, in four finned tube groups
Under collective effect, the temperature in tank body space 25 is minimum and each regional temperature uniformly, fluid reservoir 1 is arranged in tank body space 25
Between, the ambient temperature that fluid reservoir 1 residing for region has been effectively ensured remains at low levels all the time, and each position of bottle is heated all
Even, effectively prevent fluid reservoir 1 draw heat from surrounding under life-time service, cause temperature rising, pressure liter in bottle
High, produce the phenomenons such as liquid gasification evaporation, avoid bottle inequality of being heated for a long time simultaneously and cause the phenomenon of bottle unstability to occur, this
One setting effectively increases safety when equipment uses.
In addition, this setting changes traditional air-heating type gasifier concentrates heat absorption, the natural mode of gasification, will be centralized
Gasification installation carry out distributing setting, in gasifier each finned tube group has been effectively ensured and all can be fully contacted with air and be subject to
Heat is uniformly, it is to avoid the probability freezing in fin, thus ensure that moderate temperature in whole gasification, effectively increases
Amount of vaporization and overall gasification efficiency.Meanwhile, gasifier is combined with fluid reservoir and is effectively utilized fluid reservoir by this utility model
Peripheral space, the overall floor space of the system that saves, system layout more science, rationally.
Meanwhile, there is a fixed gap 11 between gasifier 2 and fluid reservoir 1 outer rim, it is to avoid different finned tube groups are inhaled
Receiving heat excessively causes environment temperature too low so that damaging occurs in fluid reservoir 1, and affects it and normally uses.
Further, space 11 length and the ratio of fluid reservoir 1 diameter are 1:4～6.
Further, it is provided with temperature sensor 12, pressure transducer 13 and leve monitor 14 in fluid reservoir 1, temperature passes
Sensor 12, pressure transducer 13 and leve monitor 14 are all connected with controller 15.
It is provided with temperature sensor 12, pressure transducer 13 and leve monitor 14, user can be according to its inspection in fluid reservoir 1
Survey the relevant information (as temperature, pressure or liquid level etc. in bottle) that data recognizes fluid reservoir 1 at any time, and pass through as the case may be
Controller 15 makes control to other equipment or device, to guarantee safety and stability when equipment uses.
Further, pipe-line system 3 is provided with the electromagnetic valve 16 being connected with controller 15.
Further, fluid reservoir 1 and gasifier 2 are arranged in air tower 17, and air tower 17 is provided with fire extinguisher 18 He
Combustible gas monitoring device 4,
Combustible gas monitoring device 4 is connected with controller 15.
Fluid reservoir 1 and gasifier 2 are arranged in air tower 17, and air tower 17 is provided with fire extinguisher 18 and fuel gas
Monitoring device 4, if use when something unexpected happened occur gas leakage or burn, fire extinguisher 18 can automatic sensing dangerous situation, automatically
Spray extinguishing medium, combustible gas monitoring device 4 transfers information to controller 15 simultaneously, have controller 15 to control associated alarm
Device is reminded or is closed related valve, it is to avoid gas continues to leak, dangerous situation continues to spread.This setting effectively increases and sets
The standby safety using, reduces the probability that operator cause danger.
Further, the first finned tube group 21, the second finned tube group 22, the 3rd finned tube group 23 and the 4th finned tube group 24 are equal
Including 1～5 finned tube, finned tube is tapered or arc is distributed.
First finned tube group 21, the second finned tube group 22, the 3rd finned tube group 23 and the 4th finned tube group 24 all include 1～
5 finned tubes, finned tube is tapered or arc is distributed, and can select suitable combination according to the size of supply demand or fluid reservoir 1
, it is ensured that the use demand of different user, simply, stably, design science is reasonable for structure for form.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (6)
1. new LNG air supply system is it is characterised in that include the fluid reservoir (1) that is sequentially connected and gasifier (2),
Described gasifier (2) includes being sequentially connected and the first vertically arranged finned tube group (21), the second finned tube group (22), the
Three finned tube groups (23) and the 4th finned tube group (24),
Described fluid reservoir (1) is arranged on described first finned tube group (21), described second finned tube group (22), described 3rd fin
The tank body space (25) that pipe group (23) and described 4th finned tube group (24) are surrounded is internal,
Described tank body space (25) is shaped as cube, described first finned tube group (21), described second finned tube group (22), institute
State the 3rd finned tube group (23) and described 4th finned tube group (24) be separately positioned at four angles of described tank body space (25),
Described gasifier (2) is passed through pipe-line system (3) and is added smelly device, one-level pressure relief valve (5), primary safety valve for inner container (6), first class pressure
Table (7), second depressurized valve (8), secondary safety valve (9) and secondary pressure table (10) are sequentially connected,
There is space (11) between described gasifier (2) and described fluid reservoir (1) outer rim.
2. new LNG air supply system according to claim 1 is it is characterised in that described space (11) length and described storage
The ratio of flow container (1) diameter is 1:4～6.
3. new LNG air supply system according to claim 1 is it is characterised in that be provided with temperature in described fluid reservoir (1)
Sensor (12), pressure transducer (13) and leve monitor (14), described temperature sensor (12), described pressure transducer
(13) all it is connected with controller (15) with described leve monitor (14).
4. new LNG air supply system according to claim 3 it is characterised in that be provided with described pipe-line system (3) with
The electromagnetic valve (16) that described controller (15) connects.
5. new LNG air supply system according to claim 3 is it is characterised in that described fluid reservoir (1) and described gasifier
(2) it is arranged in air tower (17), described air tower (17) is provided with fire extinguisher (18) and combustible gas monitoring device
(4),
Described combustible gas monitoring device (4) is connected with described controller (15).
6. the new LNG air supply system according to any one of Claims 1 to 5 is it is characterised in that described first finned tube group
(21), described second finned tube group (22), described 3rd finned tube group (23) and described 4th finned tube group (24) all include 1～
5 finned tubes, described finned tube is tapered or arc is distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620870464.2U CN205956757U (en) | 2016-08-12 | 2016-08-12 | Novel LNG gas supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620870464.2U CN205956757U (en) | 2016-08-12 | 2016-08-12 | Novel LNG gas supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205956757U true CN205956757U (en) | 2017-02-15 |
Family
ID=57975559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620870464.2U Active CN205956757U (en) | 2016-08-12 | 2016-08-12 | Novel LNG gas supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205956757U (en) |
-
2016
- 2016-08-12 CN CN201620870464.2U patent/CN205956757U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |