CN104896302B - LNG vaporizer with step vaporization technology - Google Patents
LNG vaporizer with step vaporization technology Download PDFInfo
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- CN104896302B CN104896302B CN201510313021.3A CN201510313021A CN104896302B CN 104896302 B CN104896302 B CN 104896302B CN 201510313021 A CN201510313021 A CN 201510313021A CN 104896302 B CN104896302 B CN 104896302B
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- heat
- lng
- heat exchange
- transferring medium
- exchanging chamber
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Abstract
The invention discloses an LNG vaporizer with a step vaporization technology. Partition plates are utilized by the vaporizer to divide a vaporizer shell into an LNG heat exchange cavity, a first heat exchange medium heat exchange cavity and a second heat exchange medium heat exchange cavity, and through holes are formed in the positions, between the cavities, of the partition plates; a plurality of heat pipes penetrate and stretch into three different cavities through the through holes, and a plurality of fins are arranged on the heat pipes in a penetrating stretching manner; LNG, first heat exchange media and second heat exchange media flow through respective heat exchange cavities respectively; the heat pipes serve as heat transfer bodies, and the step temperature rising method is adopted to achieve the aim that the second heat exchange media with the high temperature are utilized for enabling the temperature of LNG at the temperature of -163 DEG C to rise, and for vaporizing the LNG; evaporation ends and condensation ends of the heat pipes and middle refrigerants are reasonably utilized for solving the problem that in the vaporization process of the LNG, due to the low initial temperature, the heat exchange media are iced, and the vaporization performance of the vaporizer is worsened; and the flow of the second heat exchange media is utilized and adjusted to be matched with the vaporization amount of the LNG, and it is ensured that the LNG vaporizer efficiently and stably runs.
Description
Technical field
The present invention relates to a kind of carburator, especially relate to a kind of lng carburator of employing step vaporisation techniques, belong to and change
Hot device field.
Background technology
With the development of global economy, the in short supply and problem of environmental pollution of global petroleum resources increasingly serious, make
Flammability is good, the consumption figure sharp increase of the little natural gas of pollution, natural gas room temperature is gas, is not easy to storage and remote
Transport, therefore typically using being first transformed into -163 DEG C of cryogenic liquids (lng), then storage and long distance transportation.But make
Before lng, need to realize the lng of -163 DEG C about temperature brings up to 5 DEG C about of natural gas (ng) using vapourizing unit;
It is presently used for lng vaporization carburator mainly to include with Types Below:
(1) open-frame type vaporizer, that is, in the heat transfer Bottomhole pressure of this device, pipe is outer seawater spraying device spray sea to lng
Water, in heat-transfer pipe, realizes the exchange of sea water and the heat of lng;This apparatus structure is simple, and heat exchange volume is big, directly utilize sea water and
Lng carries out heat exchange, but because lng is big in the heat transfer process Exchange of apparent heat temperature difference, released cold quantity is many, is easily caused seawater icing, because
This this device vaporization efficency stability can not be protected.
(2) carburator with intermediate heat transfer media, that is, lng and intermediate heat transfer media carry out heat exchange, intermediate heat transfer media with
Sea water (or other thermals source) carries out heat exchange, due to intermediate heat transfer media using subzero medium it is ensured that the stablizing of system
Operation;But because need increase the device for intermediate flow so that apparatus structure is complicated.
(3) shell-and-tube carburator, though this carburator compact conformation, because pipe shell type heat exchange efficiency is not high and heat source stream
Amount is larger, does not ensure that stable the carrying out of lng vaporization.
The patent of Application No. 200910307503.2 discloses a kind of combined heat pipe exchanger of refrigeration technology field, should
If system is mainly made up of casing, dividing plate dry heat pipe and heat pipe fixed structure, wherein: the two ends of casing are correspondingly provided with sky respectively
So gas inlet ductwork, refrigerant outlet pipeline and refrigerant inlet pipeline, Liquid natural gas inlet pipeline, one end of dividing plate is solid
Surely it is arranged between the Imported gas pipeline of box house one end and refrigerant outlet pipeline, the other end of dividing plate is fixedly installed
Between the refrigerant inlet pipeline and liquefied natural gas export pipeline of the box house other end, heat pipe fixed structure is fixedly installed
On dividing plate, heat pipe is connected with heat pipe fixed structure and perpendicular in dividing plate.Heat exchange process is divided into three temperature by the present invention
Area, the heat-pipe working medium of different boiling is chosen in the requirement according to each warm area operating temperature, in order to avoid because operating temperature is too low
And causing the solidification of heat-pipe working medium, this technology theoretically solves lng vaporization under the big temperature difference.But due to the work in heat exchanger
Temperature can produce huge fluctuation with the changes in flow rate of lng evaporating capacity and cold-producing medium, leads to the warm area dividing in theory to be destroyed,
So that the heat pipe in this operation temperature area is because the limitation of working medium boiling point makes it lose efficacy it is impossible to carry out heat transfer, and then make to change
Hot device efficiency reduces the vaporization of impact lng.
The patent of Application No. 201310120847.9 discloses a kind of small liquid natural gas vaporizer, and its structure includes
Housing, housing is provided with lng import, ng outlet, refrigerant import and refrigerant exit, is provided with and is connected with lng import in housing
It is characterised in that being provided with sleeve pipe outside inner tube, the liquefied natural gas vaporization flowing through inner tube generates natural gas gas to logical inner tube
Body, natural gas gas sleeve pipe, run in the gap that inner tube and sleeve pipe are formed as intermediate medium, and exported by ng defeated
Go out.But according to described by it run when be using using by around pipe and coolant heat exchange temperature rise after ng as middle coolant for again
Once carry out heat exchange with lng, because the release of lng heat exchange cold is big, ng is possible in the gap that inner tube and sleeve pipe are formed will be again
Once it is cooled to lng, whole process can not meet the requirement of lng vaporization;If lng vaporization need to be met require this system in fortune
Have to when must assure that during row that ng need to have higher temperature and the growing amount of ng is mated completely with the evaporating capacity of lng.But as being somebody's turn to do
Described by patent, in practical operation, these two aspects conditions each other, if when lng vaporization demand is higher, this system is due to lng
Flow is big, but ng is around being in control shortage of heat to provide the vaporization of lng, and whole system will be run, and if coolant temperature
Spend low it is ensured that the not demand of ng temperature, this system also cannot normally be run.And it is provided with sleeve pipe in this invention, and
Using wound tube heat exchanger, equipment is more huge to be but unable to reach corresponding heat exchange efficiency, the cold energy therefore mentioned in the present invention
Loss is less and the high saying of heat exchange efficiency remains to be discussed.
Content of the invention
The purpose of the present invention is for the limitation existing for above-mentioned prior art, there is provided one kind adopts step vaporisation techniques
Lng carburator.This carburator adopts heat pipe as thermal conductor, by the use of the first heat transferring medium as middle coolant, by reasonable
Using evaporation ends and the condensation end of heat pipe, and adopt step temperature rise method, solve in lng vaporescence due to initial temperature relatively
Low and the heat transferring medium that causes freezes thus the problems such as lead to carburator to vaporize penalty it is ensured that lng vaporization stablize into
OK;By adjusting the flow of the second heat transferring medium, mate lng evaporating capacity, and then realize the regulation of operating condition.
In order to achieve the above object, the present invention adopts the following technical scheme that
A kind of lng carburator of employing step vaporisation techniques is including housing 4, many using offering respectively in described housing 4
First dividing plate 8 of row multiple row through hole and second partition 14, by its successively every be divided into be correspondingly arranged on respectively on housing 4 into and out of
The lng heat exchanging chamber 7 of mouth, the first heat transferring medium heat exchanging chamber 17 and the second heat transferring medium heat exchanging chamber 12;Described first dividing plate 8 and second
It is installed with the through hole of dividing plate 14 one end and run through lng heat exchanging chamber 7, the first heat transferring medium heat exchanging chamber 17 and the second heat exchange Jie
First heat pipe 2 of matter heat exchanging chamber 12;The other end, is installed with the through hole of described first dividing plate 8 and runs through lng heat exchanging chamber 7 He
Second heat pipe 5 of the first heat transferring medium heat exchanging chamber 17, is installed with the through hole of described second partition 14 and runs through the first heat exchange
Media for heat exchange chamber 17 and the 3rd heat pipe 13 of the second heat transferring medium heat exchanging chamber 12.
The present invention is to ensure heat pipe heat exchanging high efficiency, is set with some fins on its external wall, according to heat pipe present position
Be set with fin is also different thereon for difference: is set with some horizontal fins 3 on the outer wall of described first heat pipe 2;Described
Two heat pipes 5 are applied on one section of outer wall in lng heat exchanging chamber 7 and described 3rd heat pipe 13 is applied in the second heat transferring medium heat exchanging chamber
Some horizontal fins 3 are each set with one section of outer wall in 12;Because the first heat transferring medium state can be sent out in heat transfer process
Raw change, for preventing liquid holdup and ensureing that heat exchange can efficiently be carried out, described second heat pipe 5 and described 3rd heat pipe 13 pass through
It is through in the first heat transferring medium heat exchanging chamber 17 and is set with vertical fins 9 on one section of outer wall, its disconnected cross sectional shape is petal.
According to lng, temperature change (step temperature rise) in lng heat exchanging chamber 7 is divided into grade heat transfer zone and level heat exchange to the present invention
Area: wherein, the heat that in level heat transfer zone, lng absorbs from the second heat transferring medium heats up as cryogenic gaseous ng from -163 DEG C of liquid,
The intensification that in level heat exchange area, cryogenic gaseous ng absorb the heat from the second heat transferring medium is room temperature ng and exports 1 row by ng
Go out, lng realizes step heat exchange by the heat exchange in two heat exchange area.Level heat transfer zone is located at described one end, and its length is described the
One dividing plate 8 and the 1/3 of second partition 14 overall length;Level heat transfer zone is located at the described other end, and its length is described first dividing plate 8 He
The 2/3 of second partition 14 overall length.
First dividing plate 8 of the present invention and second partition 14 and housing 4 are to be welded to connect, and housing 4 be provided with for two ends convex
The cylindrical shape of sphere.First heat transferring medium of the present invention is passed through heat pipe and directly carries out heat exchange, when being vaporized due to lng with lng
Released cold quantity is big, for ensureing that the first heat transferring medium will not freeze in heat transfer process, then needs using low boiling phase-change heat-exchange working medium such as
Propane;And described second heat transferring medium need not consider the problems referred to above, that is, adopt general heat transferring medium, such as sea water.
The present invention is to ensure that three kinds of media can fully carry out heat exchange and realize stepping up and avoiding second of lng temperature
Heat transferring medium leads to because temperature is too low solidify, and lng be should be when being flowed in respective heat exchanging chamber with two kinds of heat transferring mediums: first changes
Thermal medium and lng are forward to flow, and the second heat transferring medium and lng are reverse flow and described first dividing plate (8) and second partition
(14) the staggered-mesh formula that is arranged as of the through hole on arranges, and it is preferably equilateral triangle or isosceles triangle arrangement.
The present invention according to the vaporizing property of lng vaporescence, by reasonable combination be arranged in various heat exchange intracavity and be used as
The evaporation ends of the heat pipe of heat exchanging body and condensation end are carried out ensureing stablizing of lng vaporization;On the whole, it is placed in lng heat exchanging chamber 7
Interior first heat pipe 2, the second heat pipe 5 is the condensation end of heat pipe;Being placed in the second heat pipe 5 in the first heat transferring medium heat exchanging chamber 17 is heat pipe
Evaporation ends, the first heat pipe 2 and the 3rd heat pipe 13 are the condensation end of heat pipe;It is placed in first in the second heat transferring medium heat exchanging chamber 12
Heat pipe 2 and the 3rd heat pipe 13 are the evaporation ends of heat pipe.
Lng of the present invention flows in lng heat exchanging chamber 7, with the first heat pipe 2 as condensation end of heat pipe and the second heat
Pipe 5 carries out heat exchange, thus temperature raises, realizes lng vaporization;Described second heat transferring medium is in the second heat transferring medium heat exchanging chamber 12
Middle flowing, carries out heat exchange with the first heat pipe 2 as heat pipe evaporation ends and the 3rd heat pipe 13, and heat pipe absorbs and is situated between from the second heat exchange
The heat of matter, and pass it to lng and the first heat transferring medium.
First heat transferring medium of the present invention enters in the first heat transferring medium heat exchanging chamber 17 in a gaseous form to be made by heat pipe
For heat exchanging body, directly and lng carries out heat exchange, and due to lng, in vaporization, released cold quantity is big, can lead to the first heat exchange in heat transfer process
The excessive cold of Absorption of Medium and be condensed into liquid, if not providing heat to ensure it to the first heat transferring medium in follow-up heat transfer process
For gaseous state, then can substantially reduce heat exchange efficiency;Interlocked successively using the second heat pipe 5 and the 3rd heat pipe 13 therefore in this heat exchanging chamber
Arrangement, and the 3rd heat pipe that the second heat pipe 5 being located in this heat exchanging chamber is located in this heat exchanging chamber for the evaporation ends of the second heat pipe 5
13 is the condensation end of the 3rd heat pipe 13;Gaseous state first heat transferring medium discharges heat by first passing through the evaporator section of the second heat pipe 5
And lng is passed it to by the second heat pipe 5, because release heat leads to temperature to reduce thus being condensed into liquid to subsequently pass through the
The heat that the condensation end of three heat pipes 13 absorbs from the second heat transferring medium is changed into gaseous state thus temperature raises.First heat transferring medium leads to
Cross the varying cyclically from gas-liquid-gaseous state for the heat exchange unit realization being made up of the second heat pipe 5 and the 3rd heat pipe 13,
Thus realizing the heat transfer of the second heat transferring medium to lng, realize the vaporization of lng;Avoid in lng vaporescence due to lng
Discharge a large amount of colds according to directly with the second heat transferring medium heat exchange and lead to its solidification so that lng vaporizes can not stably carry out
Problem.
Lng of the present invention is changed into room temperature ng and by ng outlet 1 exclusion in the second heat exchange area from low temperature ng, in this stage
Ng heats up and need not consume too many heat;But level heat transfer zone is because the second heat transferring medium has higher heat it is sufficient to make low
Warm ng heats up as room temperature ng;For effectively utilizing the heat of the second heat transferring medium, this system fully takes into account due to level heat transfer zone
In heat transfer process, the first heat exchange medium temperature can decrease, for ensureing the high efficiency and first of the first heat transferring medium cycle heat exchange
Heat transferring medium is discharged in a gaseous form, then need to provide it heat, therefore in level heat transfer zone, is placed in the first heat transferring medium heat exchange
In chamber 17 and lng heat exchanging chamber 7 first heat pipe 2 simultaneously as the first heat pipe 2 condensation end so that the heat of the second heat transferring medium not
Only ensure that lng can heat up as room temperature gaseous state, ensure that the first heat transferring medium can absorb heat and heat up as gaseous state, thus protecting simultaneously
The Effec-tive Function of card system.
Compared with prior art, the invention has the beneficial effects as follows: using evaporation ends and the condensation end of reasonable Arrangement heat pipe, with
And the method using step temperature rise, solve the problems, such as to lead to heat transferring medium to freeze because released cold quantity is excessive during lng vaporization
And under the conditions of identical evaporating capacity, the present invention has higher heat exchange efficiency and overall compact knot compared with existing carburator
Structure, is 360m such as ensureing lng evaporating capacity3During/h, compared with existing carburator, the more existing vaporizer body of present configuration volume
Long-pending minimizing 30%, heat exchange efficiency improves more than 15%;By adjusting the flow of the second heat transferring medium, lng vapour can be mated completely
Change amount, solves because operating mode changes and leads to the unstable of system.
Brief description
Fig. 1 is the structural representation of patent of the present invention,
Fig. 2 is the a-a profile of Fig. 1,
Fig. 3 is the b-b profile of Fig. 1,
Fig. 4 is the c-c profile of Fig. 1,
In figure: 1, ng outlet;2nd, the first heat pipe;3rd, horizontal fin 4, housing 5, the second heat pipe;6th, lng import 7, lng change
Hot chamber;8th, the first dividing plate;9th, vertical fins;10th, the first heat transferring medium import;11st, the second heat transferring medium outlet;12;Second changes
Thermal medium heat exchanging chamber;13rd, the 3rd heat pipe;14th, second partition;15th, the second heat transferring medium import;16th, the first heat transferring medium outlet;
17th, the first heat transferring medium heat exchanging chamber.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of lng carburator of employing step vaporisation techniques, including housing 4, in described housing 4
Using the first dividing plate 8 offering multiple lines and multiple rows through hole respectively and second partition 14, by it successively every being divided on housing 4 respectively
It is correspondingly arranged on lng heat exchanging chamber 7, the first heat transferring medium heat exchanging chamber 17 and the second heat transferring medium heat exchanging chamber 12 of import and export;Described
It is installed with the through hole of the first dividing plate 8 and second partition 14 one end and run through lng heat exchanging chamber 7, the first heat transferring medium heat exchanging chamber
17 and second heat transferring medium heat exchanging chamber 12 the first heat pipe 2;The other end, is installed with the through hole of described first dividing plate 8 and passes through
Wear the second heat pipe 5 of lng heat exchanging chamber 7 and the first heat transferring medium heat exchanging chamber 17, fixedly mount in the through hole of described second partition 14
There is the 3rd heat pipe 13 running through the first heat transferring medium heat exchanging chamber 17 and the second heat transferring medium heat exchanging chamber 12.
Wherein, the outer wall of described first heat pipe 2 is set with some horizontal fins 3;Described second heat pipe 5 is applied in lng
It is applied on one section of outer wall in the second heat transferring medium heat exchanging chamber 12 with described 3rd heat pipe 13 on one section of outer wall in heat exchanging chamber 7
Each it is set with some horizontal fins 3;Described second heat pipe 5 and described 3rd heat pipe 13 are applied in the first heat transferring medium heat exchanging chamber
Vertical fins 9 are set with one section of outer wall in 17.
The length of described first dividing plate 8 and second partition 14 one end is described first dividing plate 8 and second partition 14 overall length
1/3, the length of described first dividing plate 8 and second partition 14 other end is the 2/ of described first dividing plate 8 and second partition 14 overall length
3.
The connection of described first dividing plate 8 and second partition 14 and described housing 4 is and is welded to connect.
The staggered-mesh formula that is arranged as of the through hole on described first dividing plate 8 and second partition 14 arranges;Described staggered-mesh
Formula is arranged as equilateral triangle or isosceles triangle arrangement.
Described housing 4 is provided with the cylindrical shape of convex spherical for two ends.
The disconnected cross sectional shape of described vertical fins 9 is petal.
Work process
Lng heat exchange process: lng from lng import 6 flow into lng heat exchanging chamber 7 and the first heat pipe 2 as condensation end of heat pipe and
Second heat pipe 5 carries out heat exchange, absorbs in heat pipe low boiling working fluid and absorbs the heat obtaining thus temperature liter from the second heat transferring medium
Height, according to step temperature rise method, carries out heat exchange from -163 DEG C with the second heat pipe 5 as condensation end of heat pipe in i level heat transfer zone
Lng heat up as cryogenic gaseous ng;Low temperature ng is flowed through heat transfer zone and is changed with the first heat pipe 2 as condensation end of heat pipe therewith
Heat, absorbs the heat from the second heat transferring medium further, thus temperature is increased to room temperature ng, subsequently from ng outlet 1 discharge, complete
Become the vaporescence of lng.
First medium heat exchange process: gaseous first medium enters first medium heat exchanging chamber 17 from first medium import 10, in i
Firstly flow through in level heat transfer zone by the second heat pipe 5 as heat pipe evaporation ends, absorb the cold from lng release, temperature reduces condensation
For liquid, subsequently pass through the 3rd heat pipe 13 as condensation end of heat pipe, absorb the heat from the second heat transferring medium, temperature immediately
Raise, and then be vaporizated into gaseous state and subsequently carry out heat exchange with lng again, the first heat transferring medium is so circulated through friendship in i level heat transfer zone
Second heat pipe 5 of fork arrangement and the 3rd heat pipe 13, as middle heating agent, thus transmission makes lng temperature from the heat of Absorption by Sea Water
Degree raises;Because lng is many in i level heat transfer zone released cold quantity, when the first heat transferring medium enters level heat exchange area, temperature can drop
Low (but higher than be in lng temperature around at same heat pipe), for ensure following cycle first heat transferring medium high efficiency and by
It is sufficient for the temperature rise of the first heat transferring medium and ng in the heat that the second heat transferring medium can provide in level heat exchange area
Required thermal requirement, therefore in level heat exchange area first heat transferring medium and the first heat pipe 2 as condensation end of heat pipe
Carry out heat exchange, absorb the heat from the second heat transferring medium, thus improving the temperature of the first heat transferring medium and keeping the first heat exchange
Medium is in gaseous state it is ensured that the first heat transferring medium can recycle under no external heat source heating state.
Second heat transferring medium heat exchange process: the second heat transferring medium flows into the second heat transferring medium from the second heat transferring medium import 15
Heat exchanging chamber 12 carries out heat exchange with the first heat pipe 2 as heat pipe evaporation ends, the second heat pipe 5 and the 3rd heat pipe 13, and heat is provided
To lng so that lng temperature raises and vaporizes;Simultaneously because using the principle of step vaporization, in level heat exchange area, being the
One heat transferring medium provides heat so that the first heat transferring medium need not consume external heat source for ensureing heat exchange in circulating
Stable carrying out;And by adjusting the flow entering the second heat transferring medium in the second heat transferring medium heat exchanging chamber 12, thus mating lng
Evaporating capacity, realizes the regulation of real-time working condition.
These are only an embodiment of the invention, its description is more concrete and detailed, but can not therefore understand
It is the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from this
On the premise of inventive concept, the technical scheme of all employing equivalents or equivalent transformation formation, belong to the claims in the present invention
Claimed scope.
Claims (5)
1. a kind of lng carburator of employing step vaporisation techniques, including housing (4) it is characterised in that: adopt in described housing (4)
With offering the first dividing plate (8) and the second partition (14) of multiple lines and multiple rows through hole respectively, by it successively every being divided on housing (4)
It is correspondingly arranged on lng heat exchanging chamber (7), the first heat transferring medium heat exchanging chamber (17) and the second heat transferring medium heat exchange of import and export respectively
Chamber (12);Be installed with the through hole of described first dividing plate (8) and second partition (14) one end run through lng heat exchanging chamber (7),
One heat transferring medium heat exchanging chamber (17) and first heat pipe (2) of the second heat transferring medium heat exchanging chamber (12);Described first dividing plate (8) and
Two dividing plates (14) other end, is installed with the through hole of described first dividing plate (8) and runs through lng heat exchanging chamber (7) and the first heat exchange
Second heat pipe (5) in media for heat exchange chamber (17), is installed with the through hole of described second partition (14) and runs through first heat exchange Jie
Matter heat exchanging chamber (17) and the 3rd heat pipe (13) of the second heat transferring medium heat exchanging chamber (12);Wherein, the outer wall of described first heat pipe (2)
On be set with some horizontal fins (3);Described second heat pipe (5) is applied on one section of outer wall in lng heat exchanging chamber (7) and described
3rd heat pipe (13) is applied in the second heat transferring medium heat exchanging chamber (12) and is each set with some horizontal fins on one section of outer wall
(3);Described second heat pipe (5) and described 3rd heat pipe (13) are applied in one section in the first heat transferring medium heat exchanging chamber (17) of outer wall
On be set with vertical fins (9);The length of described first dividing plate (8) and second partition (14) one end is described first dividing plate (8)
With the 1/3 of second partition (14) overall length, the length of described first dividing plate (8) and second partition (14) other end be described first every
Plate (8) and the 2/3 of second partition (14) overall length;Through hole on described first dividing plate (8) and second partition (14) be arranged as hand over
Wrong grid-type arrangements.
2. employing step vaporisation techniques according to claim 1 lng carburator it is characterised in that: described first dividing plate
And the connection of second partition (14) and described housing (4) is to be welded to connect (8).
3. employing step vaporisation techniques according to claim 1 lng carburator it is characterised in that: described staggered-mesh
Formula is arranged as equilateral triangle or isosceles triangle arrangement.
4. employing step vaporisation techniques according to claim 1 lng carburator it is characterised in that: described housing (4) is
Two ends are provided with the cylindrical shape of convex spherical.
5. employing step vaporisation techniques according to claim 1 lng carburator it is characterised in that: described vertical fins
(9) disconnected cross sectional shape is petal.
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CN106017169B (en) * | 2016-07-11 | 2018-03-06 | 江苏科技大学 | A kind of LNG vaporization device and implementation method using self-loopa intermediate medium |
CN110080846A (en) * | 2018-04-23 | 2019-08-02 | 江苏科技大学 | A kind of the monoblock type intermediate medium vaporizer and electricity generation system of band LNG cold energy use function |
CN110542015B (en) * | 2019-07-29 | 2021-07-30 | 武汉船用电力推进装置研究所(中国船舶重工集团公司第七一二研究所) | Enhanced heat exchange alloy hydrogen storage tank |
CN113506926A (en) * | 2020-03-24 | 2021-10-15 | 奥迪股份公司 | Battery system and vehicle |
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SE440274B (en) * | 1977-01-31 | 1985-07-22 | Furukawa Electric Co Ltd | CYLINDRICAL REFLECTOR |
JP3857747B2 (en) * | 1996-05-10 | 2006-12-13 | 株式会社神戸製鋼所 | Low temperature liquefied gas vaporizer |
JP2000031363A (en) * | 1998-07-09 | 2000-01-28 | Honda Motor Co Ltd | Heat sink and board therewith |
CN101245971B (en) * | 2007-04-10 | 2010-12-08 | 马永锡 | Enclosed cavity type heat exchanger |
CN101666589B (en) * | 2009-09-23 | 2010-12-01 | 上海交通大学 | Combined heat pipe exchanger |
CN202101591U (en) * | 2011-05-24 | 2012-01-04 | 苏州新锐低温设备有限公司 | Fin type heat exchange tube |
CN102536510B (en) * | 2012-01-10 | 2015-03-11 | 天津大学 | Energy feedback heat pipe heat exchange device |
CN103245226B (en) * | 2013-04-09 | 2015-10-28 | 中集车辆(山东)有限公司 | A kind of small liquid natural gas vaporizer |
CN204693025U (en) * | 2015-06-09 | 2015-10-07 | 江苏科技大学 | A kind of LNG vaporizer adopting step vaporisation techniques |
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