CN207648457U - Cold energy retracting device after a kind of LNG gasification - Google Patents
Cold energy retracting device after a kind of LNG gasification Download PDFInfo
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- CN207648457U CN207648457U CN201721876768.0U CN201721876768U CN207648457U CN 207648457 U CN207648457 U CN 207648457U CN 201721876768 U CN201721876768 U CN 201721876768U CN 207648457 U CN207648457 U CN 207648457U
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- lng
- outlet
- cold energy
- gasification
- heat exchanger
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Abstract
The utility model proposes cold energy retracting devices after a kind of LNG gasification, including LNG storage tank, LNG air-heating type gasifiers, heat exchanger, gas user pipe network, recuperator, refrigerant tank, refrigerant pump, cold energy use device, the first shut-off valve, the second shut-off valve.The advantages of the utility model：By the cold energy recycle after LNG gasification, technique freezing, workshop or office building refrigeration etc. are can be widely applied to, it is final to realize high efficiente callback cold energy, energy saving purpose；System uses a preparation and a use mode, and the work of heat exchanger and gasifier is controlled by shut-off valve, ensures that gasification system stablizes continuous service；On gasifier install additional with tear open with ventilation device, optimize the gasification result of gasifier.
Description
Technical field
The utility model is related to LNG cold energy uses, cold energy retracting device after a kind of LNG gasification is particularly related to.
Background technology
For natural gas as fuel, calorific value is high, and pollution is few, is used for thermal power generation and city gas.For the ease of storing and transporting
Defeated, natural gas extraction will usually remove impurity after coming out, and liquefaction at low temperature is LNG, to improve the efficiency of transport and storage.When
It is that room temperature is natural that LNG, which is converted into cryogenic liquid, generally use air temperature type or water bath type gasifier by low temperature LNG gasification, when use
Gas, cold are taken away by surrounding air or high temperature heat source, waste a large amount of cold, and water bath type gasifier also needs to additionally
It consumes certain thermal energy and maintains hot water temperature.
Utility model content
The utility model proposes cold energy retracting devices after a kind of LNG gasification, solve LNG in the prior art and are converted to room temperature
Natural gas wastes the problem of a large amount of colds.
What the technical solution of the utility model was realized in：Cold energy retracting device after a kind of LNG gasification, including LNG storages
Tank, LNG storage tank outlet are connect with LNG air-heating type gasifiers entrance, heat exchanger cold-side inlet respectively, LNG air temperature type gas
Change device outlet to connect with recuperator entrance, recuperator outlet is connect with gas user pipe network, heat exchanger cold side outlet and recuperator
Entrance connects, and exchanger heat brings out mouth and connect with refrigerant tank entrance, and refrigerant tank outlet is connect with refrigerant pump intake, refrigerant pump discharge
It is connect with cold energy use device entrance, the outlet of cold energy use device is connect with exchanger heat end entrance, LNG storage tank outlet and LNG
It is equipped with the first shut-off valve between air-heating type gasifier entrance, second section is equipped between LNG storage tank outlet and heat exchanger cold-side inlet
Only valve.
The LNG air-heating type gasifiers are equipped at least one fan board, and fan board has to gasify with LNG air temperature types
The card slot of device cooperation, the both sides of fan board are equipped with the screw being through in card slot, and screw holds out against LNG air-heating type gasifiers, fan
Criss-cross supporting rod is equipped in frame, supporting rod is equipped with fan, and the top of fan board is equipped with stationary grizzly, and fan board is equipped with
Frame trough, frame trough is interior to be equipped with movable grid, and movable grid coordinates with stationary grizzly.
The advantages of the utility model：By the cold energy recycle after LNG gasification, can be widely applied to technique freezing, workshop,
Or office building refrigeration etc., it is final to realize high efficiente callback cold energy, energy saving purpose；System uses a preparation and a use mode, leads to
The work for crossing shut-off valve control heat exchanger and gasifier ensures that gasification system stablizes continuous service；It is installed additional on gasifier with tearing open
With ventilation device, optimize the gasification result of gasifier.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model ventilation device front view.
Fig. 3 is the utility model ventilation device side view.
Fig. 4 is the utility model ventilation device vertical view.
In figure：1-LNG storage tanks, the first shut-off valves of 21-, the second shut-off valves of 22-, 3-LNG air-heating type gasifiers, 4- heat exchange
Device, 5- refrigerant tanks, 6- recuperators, 7- refrigerant pumps, 8- cold energy use devices, 9- fan boards, 10- card slots, 11- screws, 12- supports
Bar, 13- fans, 14- stationary grizzlies, 15- movable grids, 16- frame troughs.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not under the premise of making the creative labor
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figs 1-4, cold energy retracting device after a kind of LNG gasification, including LNG storage tank 1, the LNG storage tank 1 outlet
It is connect respectively with 3 entrance of LNG air-heating type gasifiers, 4 cold-side inlet of heat exchanger, the outlet of LNG air-heating type gasifiers 3 and recuperator 6
Entrance connects, and the outlet of recuperator 6 is connect with gas user pipe network, and 4 cold side outlet of heat exchanger is connect with 6 entrance of recuperator, heat exchange
The outlet of 4 hot junction of device is connect with 5 entrance of refrigerant tank, and the outlet of refrigerant tank 5 is connect with 7 entrance of refrigerant pump, and the outlet of refrigerant pump 7 makes with cold energy
It is connected with 8 entrance of device, the outlet of cold energy use device 8 is connect with 4 hot-side inlet of heat exchanger, the outlet of LNG storage tank 1 and LNG air temperatures
It is equipped with the first shut-off valve 21 between 3 entrance of formula gasifier, second section is equipped between the outlet of LNG storage tank 1 and 4 cold-side inlet of heat exchanger
Only valve 22.
When recycling cold energy, liquefied natural gas carries out heat friendship from storage tank lower part outlet into refrigerant in heat exchanger, with heat exchanger
It changes, the liquefied natural gas after heat exchange is converted into gaseous natural gas, after recuperator heats（When environment temperature is too low）Go combustion gas
User's pipe network, while absorbing the cold of cold and being transported to cold energy place to use through refrigerant pump, through cold energy use device（As cold energy is sent out
Electricity, frozen food, space division etc.）After be back to heat exchanger, continue absorb LNG gasification release cold energy.Simultaneity factor is used using one
One for mode, and by shut-off valve selection heat exchanger, either main gasifier work is broken down or do not needed cold to prevent heat exchanger
When energy, gasification system still being capable of continuous-stable work.
The LNG air-heating type gasifiers 3 are equipped at least one fan board 9, and fan board 9 has and LNG air temperature types
The card slot 10 that gasifier 3 coordinates, the both sides of fan board 9 are equipped with the screw 11 being through in card slot 10, and screw 11 holds out against LNG air temperatures
Formula gasifier 3, fan board 9 is interior to be equipped with criss-cross supporting rod 12, and supporting rod 12 is equipped with fan 13, and the top of fan board 9 is set
Have a stationary grizzly 14, fan board 9 is equipped with frame trough 16, is equipped with movable grid 15 in frame trough 16, movable grid 15 with it is fixed
Grid 14 coordinates.
Under gasifier working condition, when scene temperature is relatively low or influence gasifier sluggish in air circulation normal work,
Or gasifier designs are unreasonable causes to gasify undesirable, add fan board, the card of fan board on gasifier top at this time
Slot is buckled in the top of gasifier, and holds out against gasifier by screw, realizes fixation of the fan board on gasifier, is set in fan board
There are fan, fan to be fixed by criss-cross supporting rod, when starting fan, accelerates the circulation of the neighbouring air of gasifier, ensure gas
Change device normal work, stationary grizzly is used for the ventilation of fan board, and in starting fan, movable grid slides in frame trough, beats
The grate opening on stationary grizzly is opened, when fan is closed, movable grid stops the grate opening on stationary grizzly, avoids dust, rubbish
Rubbish etc. enters fan.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (2)
1. cold energy retracting device after a kind of LNG gasification, including LNG storage tank（1）, it is characterised in that：The LNG storage tank（1）Go out
Mouth respectively with LNG air-heating type gasifiers（3）Entrance, heat exchanger（4）Cold-side inlet connects, LNG air-heating type gasifiers（3）Outlet with
Recuperator（6）Entrance connects, recuperator（6）Outlet is connect with gas user pipe network, heat exchanger（4）Cold side outlet and recuperator
（6）Entrance connects, heat exchanger（4）Hot junction exports and refrigerant tank（5）Entrance connects, refrigerant tank（5）Outlet and refrigerant pump（7）Entrance
Connection, refrigerant pump（7）Outlet and cold energy use device（8）Entrance connects, cold energy use device（8）Outlet and heat exchanger（4）Heat
End entrance connects, LNG storage tank（1）Outlet and LNG air-heating type gasifiers（3）The first shut-off valve is equipped between entrance（21）, LNG storages
Tank（1）Outlet and heat exchanger（4）The second shut-off valve is equipped between cold-side inlet（22）.
2. cold energy retracting device after LNG gasification according to claim 1, it is characterised in that：The LNG air temperature types gasification
Device（3）It is equipped at least one fan board（9）, fan board（9）It has and LNG air-heating type gasifiers（3）The card slot of cooperation
（10）, fan board（9）Both sides be equipped be through to card slot（10）Interior screw（11）, screw（11）Hold out against the gasification of LNG air temperature types
Device（3）, fan board（9）It is interior to be equipped with criss-cross supporting rod（12）, supporting rod（12）It is equipped with fan（13）, fan board（9）'s
Top is equipped with stationary grizzly（14）, fan board（9）It is equipped with frame trough（16）, frame trough（16）It is interior to be equipped with movable grid（15）,
Movable grid（15）With stationary grizzly（14）Cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876768.0U CN207648457U (en) | 2017-12-28 | 2017-12-28 | Cold energy retracting device after a kind of LNG gasification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876768.0U CN207648457U (en) | 2017-12-28 | 2017-12-28 | Cold energy retracting device after a kind of LNG gasification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648457U true CN207648457U (en) | 2018-07-24 |
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ID=62875659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721876768.0U Active CN207648457U (en) | 2017-12-28 | 2017-12-28 | Cold energy retracting device after a kind of LNG gasification |
Country Status (1)
| Country | Link |
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| CN (1) | CN207648457U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098616A1 (en) * | 2018-11-16 | 2020-05-22 | China Energy Investment Corporation Limited | Fluid bypass method and system for controlling the temperature of a non-petroleum fuel |
| WO2022225387A1 (en) * | 2021-04-23 | 2022-10-27 | Wasave Sdn Bhd | System for utilizing coldness from lng regasification |
| WO2023240131A1 (en) * | 2022-06-07 | 2023-12-14 | Plug Power Inc. | Systems and methods for dispensing cryogenic liquid fuel as a gas at controlled temperature using cryogenic fluid |
-
2017
- 2017-12-28 CN CN201721876768.0U patent/CN207648457U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098616A1 (en) * | 2018-11-16 | 2020-05-22 | China Energy Investment Corporation Limited | Fluid bypass method and system for controlling the temperature of a non-petroleum fuel |
| US10961109B2 (en) | 2018-11-16 | 2021-03-30 | China Energy Investment Corporation Limited | Fluid bypass method and system for controlling the temperature of a non-petroleum fuel |
| WO2022225387A1 (en) * | 2021-04-23 | 2022-10-27 | Wasave Sdn Bhd | System for utilizing coldness from lng regasification |
| WO2023240131A1 (en) * | 2022-06-07 | 2023-12-14 | Plug Power Inc. | Systems and methods for dispensing cryogenic liquid fuel as a gas at controlled temperature using cryogenic fluid |
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