CN106402651A - Novel liquefied natural gas cold energy recovery equipment and recovery method - Google Patents
Novel liquefied natural gas cold energy recovery equipment and recovery method Download PDFInfo
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- CN106402651A CN106402651A CN201611054143.6A CN201611054143A CN106402651A CN 106402651 A CN106402651 A CN 106402651A CN 201611054143 A CN201611054143 A CN 201611054143A CN 106402651 A CN106402651 A CN 106402651A
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- lng
- refrigerant
- cold energy
- cylinder
- natural gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0302—Heat exchange with the fluid by heating
- F17C2227/0309—Heat exchange with the fluid by heating using another fluid
- F17C2227/0316—Water heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0388—Localisation of heat exchange separate
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to the technical field of recovery of liquefied natural gas cold energy and particularly relates to novel liquefied natural gas cold energy recovery equipment. A partition plate for dividing an upper pipe box is arranged at the middle position inside the upper pipe box, and another partition plate for dividing an lower pipe box is arranged at the middle position inside the lower pipe box; a cylinder body at an LNG (Liquefied Natural Gas) liquid level detection opening communicates with an LNG inlet; an LNG falling film distribution plate is mounted inside the upper pipe box at one side of the LNG inlet; a U-shaped pipe of an upper heat exchanger is arranged at the upper side in the cylinder body; an inlet and an outlet of the U-shaped pipe of the upper heat exchanger respectively communicate with the upper pipe box at the two sides of the partition plate; the cylinder body at the two sides of the partition plate inside the lower pipe box is provided with a chilled water inlet and a chilled water outlet respectively; the U-shaped pipe of a lower heat exchanger is arranged in the cylinder body at the upper side of the lower pipe box; the inlet and the outlet of the U-shaped pipe of the lower heat exchanger respectively communicate with the lower pipe box at the two sides of the partition plate. By adopting the theory of falling film evaporation, the recovery equipment provided by the invention is capable of improving the heat exchange efficiency, energy-saving, high in efficiency, safe, reliable, economical, environment-friendly and quite suitable for being popularized in LNG receiving stations and gas stations.
Description
Technical field
The present invention relates to cold energy of liquefied natural gas recovery technology field, it is related to a kind of new cold energy of liquefied natural gas and reclaims
Equipment and recovery method.
Background technology
Liquefied natural gas (LNG) is natural gas through depickling, processed, then by cryogenic refrigeration technology liquefaction
Cryogenic liquid mixtures.Huge cold energy, the mainly gasification latent heat in gasification is contained, if be not used being in LNG
Significant wastage to the energy.Show through feasibility study, one 3,500,000 tons/year of LNG project, if its cold energy can reach
Make full use of, its total economic benefit is up to 400,000,000 yuan/year.
At present, in LNG receiving station and gasification station, LNG gasification is mainly used seawater or air as thermal source, simultaneously using plus
Hot stove is allowed to regasify intensification as supplemental heat source.LNG absorbs the heat of seawater or air, that is, discharge cold to seawater or sky
Gas, thus be gasificated as the natural gas that can burn.Traditional gasification does not only utilize LNG cold energy resource and
And environment is caused potentially threaten.
Environmental pollution in short supply and increasing with global petroleum resources so that pollution is little, have good burning performance,
The application of the natural gas of rich reserves is more and more extensive, and the recycling of LNG cold energy will have extraordinary development prospect.
Content of the invention
The invention aims to shortcoming present in solution prior art, and a kind of new liquefaction proposing is natural
Air cooling energy reclaimer, completes LNG cold energy and reclaims the chilled water producing different user demands, realizes fully should of LNG cold energy
With solving the problems, such as the current LNG cold energy wasting of resources and cold energy resource potential threat to environment.
To achieve these goals, present invention employs following technical scheme：
Design a kind of new cold energy of liquefied natural gas reclaimer, including cylinder, lower heat exchanger U-shaped pipe and upper heat exchanger
U-tube, the upper inside of described cylinder is provided with upper tube box, and the interior lower end of described cylinder is provided with lower tube box, described upper pipe
Case is provided with, with lower tube box bosom position, the dividing plate being separated, and the cylinder of dividing plate both sides in described upper tube box divides
It is not provided with LNG level sensing mouth to export with LNG, the cylinder on the upside of described LNG level sensing mouth is communicated with LNG entrance, and
LNG falling liquid film distribution grid is installed in the upper tube box on the downside of LNG entrance, the cylinder on the upside of LNG level sensing mouth is communicated with overflow
Mouthful, described upper heat exchanger U-shaped pipe is arranged on upside in cylinder, and the import of upper heat exchanger U-shaped pipe and outlet be respectively communicated with every
On the upper tube box of plate both sides, on the upside of the mouth feed liquor of described upper heat exchanger U-shaped pipe, it is provided with falling liquid film head；
Chilled water inlet and chilled water outlet be respectively arranged with the cylinder of dividing plate both sides in described lower tube box, described under
Heat exchanger U-shaped pipe is arranged in the cylinder on the upside of lower tube box, and the import of lower heat exchanger U-shaped pipe is respectively communicated with dividing plate with outlet
On the lower tube box of both sides.
Preferably, it is provided with liquid phase refrigerant, outside upper heat exchanger U-shaped pipe in the cylinder outside described lower heat exchanger U-shaped pipe
Cylinder in be provided with gas phase refrigerant.
Preferably, described heat exchanger U-shaped pipe outer wall is uniformly arranged distribution refrigerant condensing droplet.
Preferably, the cylinder two ends of described upper heat exchanger U-shaped pipe side are respectively arranged with detection and fill mouth and upper cooling medium liquid
In order to add the content with detection refrigerant, the cylinder two ends on the upside of described lower tube box are respectively arranged with refrigerant and discharge position detection mouth
Mouth and lower refrigerant liquid level detection mouth.
Preferably, described detection fills mouth and includes refrigerant and fills mouth, refrigerant temperature detection mouth and refrigerant pressure detection mouth.
Preferably, in described cylinder, middle part is provided with refrigerant temperature transmitter, pressure transmitter and liquid level detector, controls
With pressure, temperature and the liquid level adjusting refrigerant.
Preferably, described lower heat exchanger U-shaped pipe and upper heat exchanger U-shaped pipe are internal thread efficient heat-exchanging pipe.
Preferably, described refrigerant is specially R404A, R502, R22, liquefied ammonia or propane, by from different refrigerants, adjusting
Section system pressure prepares the chilled water of different user demands.
Preferably, described LNG entrance and upper tube box junction are provided with pressure transmitter and LNG liquid-level switch, control and
Adjust the pressure of natural gas line and the liquid level of LNG.
Present invention also offers a kind of recovery method of new cold energy of liquefied natural gas reclaimer, specifically include following
Step：
Cylinder top is upper U-tube heat exchanger, and LNG walks tube side, and refrigerant walks shell side, and cylinder bottom is lower U line pipe heat exchanger,
Chilled water walks tube side, and refrigerant walks shell side, is changed with the refrigerant of gasification in cylinder in the LNG of the upper tube box of cold energy reclaimer
Heat, refrigerant absorbs condensation liquefaction after LNG cold energy, and LNG heats up through heat exchange after gasification, reclaims top of tower in cold energy and goes out, in cold energy
The chilled water of reclaimer bottom tube side and the refrigerant of shell side carry out heat exchange, and refrigerant evaporates after being heated, from cold after freezing water cooling
Can go out reclaimer bottom, refrigerant circulates back and forth in the internal evaporative condenser of described cold energy reclaimer, reclaims in described cold energy
Its upper side opens up gas phase refrigerant diffusion mouth it is ensured that safety.
A kind of new cold energy of liquefied natural gas reclaimer proposed by the present invention and recovery method, have the beneficial effects that：
This new cold energy of liquefied natural gas reclaimer adopts the principle of falling film evaporation, improves heat exchange efficiency；Come using U heat exchange
Violent difference variation is overcome to be brought because of the destruction of produced deformational stress of expanding with heat and contract with cold；U-tube helical structure can improve pipe
Inner fluid speed, increases heat transfer effect.Efficient energy-saving of the present invention, safe and reliable, economic and environment-friendly, it is highly suitable for LNG receiving station
Promote with gasification station.
Brief description
Fig. 1 is a kind of structural representation of new cold energy of liquefied natural gas reclaimer proposed by the present invention.
In figure：1- liquid phase refrigerant, 2-LNG level sensing mouth, 3-LNG falling liquid film distribution grid, 4-LNG entrance, 5- detection fills
Mouthful, 6- gas phase refrigerant, 7- refrigerant condensing droplet, 8- coolant outlet port, 9- chilled water inlet, 10- chilled water outlet, 11- down tube
Case, refrigerant liquid level detection mouth under 12-, 13- upper refrigerant liquid level detection mouth, heat exchanger U-shaped pipe under 14-, the upper heat exchanger U-shaped pipe of 15-,
16- cylinder, 17- upper tube box, 18-LNG exports, 19- overfall, 20- falling liquid film head.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.
With reference to Fig. 1, a kind of new cold energy of liquefied natural gas reclaimer, include cylinder 16, lower heat exchanger U-shaped pipe 14 and
Upper heat exchanger U-shaped pipe 15, is provided with refrigerant 1 in the cylinder 16 in lower heat exchanger U-shaped pipe 14 outside, refrigerant 1 specially R404A,
R502, R22, liquefied ammonia or propane, by from different refrigerants 1, regulating system pressure can prepare the cold of different user demands
Freeze water.
It is provided with several in the cylinder 16 in upper heat exchanger U-shaped pipe 15 outside and evaporate gas phase refrigerant 6, upper heat exchanger U-shaped pipe
15 outer wall bottom evens are provided with several refrigerant condensing droplets 7, and lower heat exchanger U-shaped pipe 14 is with upper heat exchanger U-shaped pipe 15
Internal thread efficient heat-exchanging pipe, improves tube fluid flow velocity, increases heat transfer effect.
Cylinder 16 two ends of upper heat exchanger U-shaped pipe 15 side are respectively arranged with detection and fill mouth 5 and upper refrigerant level sensing
Mouth 13 is respectively arranged with coolant outlet port 8 in order to add the content with detection refrigerant 1, cylinder 16 two ends of lower tube box 11 upside
With lower refrigerant liquid level detection mouth 12, detection fills mouth 5 and includes that refrigerant fills mouth, refrigerant temperature detection mouth and refrigerant pressure detect
Mouthful, in order to detect to the temperature of refrigerant 1 and pressure.
The upper inside of cylinder 16 is provided with upper tube box 17, and LNG entrance 4 and upper tube box 17 junction are provided with pressure inverting
Device and LNG liquid-level switch, control and adjust the pressure of natural gas line and the liquid level of LNG, the interior lower end of cylinder 16 is provided with
Lower tube box 11, in cylinder 16, middle part is provided with refrigerant temperature transmitter, pressure transmitter and liquid level detector, controls and adjusts cold
The pressure of matchmaker, temperature and liquid level.
Upper tube box 17 is provided with the dividing plate being separated, the dividing plate in upper tube box 17 with lower tube box 11 bosom position
LNG level sensing mouth 2 is respectively arranged with the cylinder 16 of both sides and LNG exports the cylinder 16 of 18, LNG level sensing mouth 2 downside
On be communicated with LNG entrance 4, in the upper tube box 17 of LNG entrance 4 downside, LNG falling liquid film distribution grid 3, upper tube box U heat exchange are installed
Interior import is provided with falling liquid film head 20, forms uniform liquid film in inside pipe wall, increases heat transfer effect, the cylinder of LNG level sensing mouth 2 downside
Overfall 19 is communicated with body 16, makes feed liquor evenly, protect LNG into heat exchanger heat exchanger on described in controllable safety scope
Inlet 4 is provided with falling liquid film distribution grid 3, so that feed liquor is more evenly distributed, and upper heat exchanger U-shaped pipe 15 is arranged on upside in cylinder 16,
And the import of upper heat exchanger U-shaped pipe 15 is respectively communicated with the upper tube box 17 of dividing plate both sides with outlet；
Chilled water inlet 9 and chilled water outlet 10 are respectively arranged with the cylinder 16 of the dividing plate both sides in lower tube box 11, under
Heat exchanger U-shaped pipe 14 is arranged in the cylinder 16 of lower tube box 11 upside, and the import of lower heat exchanger U-shaped pipe 14 is connected respectively with outlet
Lead on the lower tube box 11 of dividing plate both sides.
Present invention also offers a kind of recovery method of new cold energy of liquefied natural gas reclaimer, specifically include following
Step：
Cylinder top is upper U-tube heat exchanger, and LNG walks tube side, and refrigerant walks shell side, and cylinder bottom is lower U line pipe heat exchanger,
Chilled water walks tube side, and refrigerant walks shell side, is changed with the refrigerant of gasification in cylinder in the LNG of the upper tube box of cold energy reclaimer
Heat, refrigerant absorbs condensation liquefaction after LNG cold energy, and LNG heats up through heat exchange after gasification, reclaims top of tower in cold energy and goes out, in cold energy
The chilled water of reclaimer bottom tube side and the refrigerant of shell side carry out heat exchange, and refrigerant evaporates after being heated, from cold after freezing water cooling
Can go out reclaimer bottom, refrigerant circulates back and forth in the internal evaporative condenser of described cold energy reclaimer, reclaims in described cold energy
Its upper side opens up gas phase refrigerant diffusion mouth it is ensured that safety.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (10)
1. a kind of new cold energy of liquefied natural gas reclaimer, including cylinder (16), lower heat exchanger U-shaped pipe (14) and upper heat exchange
Device U-tube (15), the upper inside of described cylinder (16) is provided with upper tube box (17), the interior lower end setting of described cylinder (16)
There is lower tube box (11), described upper tube box (17) and lower tube box (11) bosom position are provided with the dividing plate being separated, its
It is characterised by：Be respectively arranged with the cylinder (16) of the dividing plate both sides in described upper tube box (17) LNG level sensing mouth (2) with
LNG exports (18), and the cylinder (16) on the upside of described LNG level sensing mouth (2) is communicated with LNG entrance (4), and LNG entrance (4)
In the upper tube box (17) of downside, LNG falling liquid film distribution grid (3) is installed, the cylinder (16) on the upside of LNG level sensing mouth (2) is upper to be connected
There is overfall (19), described upper heat exchanger U-shaped pipe (15) is arranged on upside in cylinder (16), and upper heat exchanger U-shaped pipe (15)
Import is respectively communicated with the upper tube box (17) of dividing plate both sides, on the upside of the mouth feed liquor of described upper heat exchanger U-shaped pipe (15) with outlet
It is provided with falling liquid film head (20)；
It is respectively arranged with chilled water inlet (9) and chilled water outlet on the cylinder (16) of the dividing plate both sides in described lower tube box (11)
(10), described lower heat exchanger U-shaped pipe (14) is arranged on the cylinder (16) on the upside of lower tube box (11) Nei, and lower heat exchanger U-shaped pipe
(14) import is respectively communicated with the lower tube box (11) of dividing plate both sides with outlet.
2. a kind of new cold energy of liquefied natural gas reclaimer according to claim 1 is it is characterised in that change under described
It is provided with liquid phase refrigerant (1), the cylinder outside upper heat exchanger U-shaped pipe (15) in cylinder (16) outside hot device U-tube (14)
(16) setting gas phase refrigerant (6) in.
3. a kind of new cold energy of liquefied natural gas reclaimer according to claim 1 is it is characterised in that change on described
Hot device U-tube (15) outer wall is evenly arranged with refrigerant condensing droplet (7).
4. a kind of new cold energy of liquefied natural gas reclaimer according to claim 1 is it is characterised in that change on described
Cylinder (16) two ends of hot device U-tube (15) side are respectively arranged with detection and fill mouth (5) and upper refrigerant liquid level detection mouth (13)
In order to add the content with detection refrigerant (1), cylinder (16) two ends on the upside of described lower tube box (11) are respectively arranged with refrigerant
Outlet (8) and lower refrigerant liquid level detection mouth (12).
5. a kind of new cold energy of liquefied natural gas reclaimer according to claim 4 is it is characterised in that described detection
Fill mouth (5) inclusion refrigerant and fill mouth, refrigerant temperature detection mouth and refrigerant pressure detection mouth, in order to the temperature to refrigerant (1)
Detected with pressure.
6. a kind of new cold energy of liquefied natural gas reclaimer according to claim 1 is it is characterised in that described cylinder
(16) in, middle part is provided with refrigerant temperature transmitter, pressure transmitter and liquid level detector.
7. a kind of new cold energy of liquefied natural gas reclaimer according to claim 1 is it is characterised in that change under described
Hot device U-tube (14) and upper heat exchanger U-shaped pipe (15) are internal thread efficient heat-exchanging pipe.
8. a kind of new cold energy of liquefied natural gas reclaimer according to claim 1 is it is characterised in that described refrigerant
(1) it is specially R404A, R502, R22, liquefied ammonia or propane, by from different refrigerants (1), the preparation of regulating system pressure is different
The chilled water of user's request.
9. a kind of new cold energy of liquefied natural gas reclaimer according to claim 1 is it is characterised in that described LNG
Entrance (4) and upper tube box (17) junction are provided with pressure transmitter and LNG liquid-level switch, control and adjust natural gas line
Pressure and the liquid level of LNG.
10. a kind of recovery method of new cold energy of liquefied natural gas reclaimer, it adopts new liquid described in claim 1
Change natural gas cold energy reclaimer it is characterised in that：Specifically include following steps：
Cylinder top is upper U-tube heat exchanger, and LNG walks tube side, and refrigerant walks shell side, and cylinder bottom is lower U line pipe heat exchanger, freezing
Water walks tube side, and refrigerant walks shell side, carries out heat exchange in the LNG of the upper tube box of cold energy reclaimer with the refrigerant of gasification in cylinder, cold
Matchmaker absorbs condensation liquefaction after LNG cold energy, and LNG heats up through heat exchange after gasification, reclaims top of tower in cold energy and goes out, reclaims in cold energy and set
The chilled water of standby bottom tube side and the refrigerant of shell side carry out heat exchange, and refrigerant evaporates after being heated, and reclaim from cold energy after freezing water cooling
Device bottom is gone out, and refrigerant evaporative condenser reciprocation cycle inside described cold energy reclaimer, on described cold energy reclaimer
Portion opens up gas phase refrigerant diffusion mouth it is ensured that safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611054143.6A CN106402651A (en) | 2016-11-25 | 2016-11-25 | Novel liquefied natural gas cold energy recovery equipment and recovery method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611054143.6A CN106402651A (en) | 2016-11-25 | 2016-11-25 | Novel liquefied natural gas cold energy recovery equipment and recovery method |
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| CN201611054143.6A Pending CN106402651A (en) | 2016-11-25 | 2016-11-25 | Novel liquefied natural gas cold energy recovery equipment and recovery method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751508A (en) * | 2017-11-02 | 2019-05-14 | 浙江三花智能控制股份有限公司 | Liquefied natural gas gasifying device |
| CN110094998A (en) * | 2019-06-03 | 2019-08-06 | 常州瑞凯化工装备有限公司 | A kind of liquid phase low temperature ethylene cold recovery equipment |
| CN113340035A (en) * | 2021-05-28 | 2021-09-03 | 杭州福斯达深冷装备股份有限公司 | Cold energy equipment for LNG cold box |
| CN113483591A (en) * | 2021-06-18 | 2021-10-08 | 华北水利水电大学 | Prevent that big difference in temperature LNG cold energy of solidification retrieves heat exchanger |
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| US5357758A (en) * | 1993-06-01 | 1994-10-25 | Andonian Martin D | All position cryogenic liquefied-gas container |
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| CN203479086U (en) * | 2013-05-27 | 2014-03-12 | 天津市振津工程设计咨询有限公司 | Water bath type heat exchanger recycling cold energy |
| CN104154416A (en) * | 2014-07-29 | 2014-11-19 | 浙江润祁节能科技有限公司 | Ice storage method and device comprising an atmospheric tower and utilizing cold energy of LNG |
| CN205618981U (en) * | 2016-04-25 | 2016-10-05 | 江苏德邦工程有限公司 | Liquefied natural gas cold energy recovery system |
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| CN109751508B (en) * | 2017-11-02 | 2021-06-11 | 浙江三花智能控制股份有限公司 | Liquefied natural gas gasifier |
| CN110094998A (en) * | 2019-06-03 | 2019-08-06 | 常州瑞凯化工装备有限公司 | A kind of liquid phase low temperature ethylene cold recovery equipment |
| CN113340035A (en) * | 2021-05-28 | 2021-09-03 | 杭州福斯达深冷装备股份有限公司 | Cold energy equipment for LNG cold box |
| CN113483591A (en) * | 2021-06-18 | 2021-10-08 | 华北水利水电大学 | Prevent that big difference in temperature LNG cold energy of solidification retrieves heat exchanger |
| CN113483591B (en) * | 2021-06-18 | 2022-11-29 | 华北水利水电大学 | Prevent heat exchanger is retrieved to big difference in temperature LNG cold energy of solidification |
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Application publication date: 20170215 |