CN110514041A - Nuclear power system plate heat exchanger core - Google Patents
Nuclear power system plate heat exchanger core Download PDFInfo
- Publication number
- CN110514041A CN110514041A CN201910785094.0A CN201910785094A CN110514041A CN 110514041 A CN110514041 A CN 110514041A CN 201910785094 A CN201910785094 A CN 201910785094A CN 110514041 A CN110514041 A CN 110514041A
- Authority
- CN
- China
- Prior art keywords
- plate
- ripple
- side runner
- wall
- fused salt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 150000003839 salts Chemical class 0.000 claims abstract description 54
- 238000010586 diagram Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- DDTVVMRZNVIVQM-UHFFFAOYSA-N 2-(1-azabicyclo[2.2.2]octan-3-yloxy)-1-cyclopentyl-1-phenylethanol;hydrochloride Chemical compound Cl.C1N(CC2)CCC2C1OCC(O)(C=1C=CC=CC=1)C1CCCC1 DDTVVMRZNVIVQM-UHFFFAOYSA-N 0.000 description 1
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of nuclear power system plate heat exchanger cores, it includes the plate pair that array is made of plate, plate is hexagon or the concave-convex ripple unit topological structure that regular quadrangle honeycomb is arranged, and the ripple unit on every plate includes the convex ripple and recessed ripple of interlaced arrangement；Two plates for forming one group of plate pair mutually fasten, the outer wall welded seal of inconsistent recessed ripple, and the outer wall of two plate convexity ripples forms cold medium side runner；The adjacent two group plate being overlapped mutually forms fused salt side runner to the outer wall of concave ripple to inconsistent convex ripple outer wall welded seal, two groups of plates；Fused salt side runner and cold medium side runner are mutually perpendicular to no joint；The side of plate pair passes through connecting plate welded seal.Honeycomb structure makes whole plate high-temperature molten salt by uniform decrease in temperature, makes plate in the at a temperature of completion heat exchange work being able to bear, guarantees that fused salt smooth can circulate.
Description
Technical field
The present invention relates to technical field of heat exchange equipment, specifically a kind of nuclear power system plate heat exchanger core.
Background technique
Molten salt reactor nuclear power system is unique fluid fueled reactor in forth generation Advanced Nuclear Energy Systems candidate's heap, it is considered to be thorium
The ideal heap-type of the utilization of resources, compared to traditional nuclear energy material, have few high inherent safety, nuke rubbish, diffusion resistance energy and
The features such as economy is more preferable.Molten salt reactor is one kind of fission-type reactor, and Main Coolant is a kind of salt-mixture of molten state, it
Low-steam pressure is kept when can work at high temperature, to reduce mechanical stress, improves the safety of equipment.Molten salt reactor uses high
Temperature molten salt has the hot object characteristics such as high temperature, low pressure, high chemical stability, high heat capacity, without using heavy and high as coolant
Expensive pressure vessel is suitble to build up the small modular reactor of compact, lightweight and low cost.Furthermore molten salt reactor is using anhydrous
Cooling technology only needs a small amount of water that can run, and can realize efficiency power generation in arid area.
Molten salt reactor high-temperature molten salt running temperature is equivalent under normal temperature state cold and hot two sides in heat exchange equipment at 700 DEG C or more
Pressure medium difference reaches 10MPa, it is desirable that heat exchange core body bears pressure height, and it is general that common board-like heat exchanger core body can bear pressure difference
In 6MPa or less；Although micro channel heat exchanger (PCHE) heat exchanger core physical efficiency, which bears pressure difference, can achieve 60MPa, but because changing
Flow of media channel diameter only has 0.5-1mm or so in hot equipment core, and fused salt viscosity is big, is easy to appear flow difficulties etc. and asks
Topic, seriously limits micro channel heat exchanger in molten salt reactor systematic difference.
Summary of the invention
The object of the present invention is to provide a kind of nuclear power system plate heat exchanger cores, are able to bear molten salt reactor in work shape
The big pressure difference of cold and hot media of both sides under state guarantees the smooth circulation of fused salt.
To achieve the above object, the technical solution used in the present invention are as follows:
A kind of nuclear power system plate heat exchanger core, it includes the plate pair that array is overlapped mutually, and every group of plate is to including two phases
Opposed plate, the plate are the concave-convex ripple unit topological structure of hexagonal honeycomb shape arrangement, and every plate includes several
Ripple unit, each ripple unit include equilateral triangle arrangement convex ripple and equilateral triangle arrangement recessed ripple, convex ripple with
Recessed ripple interlaced arrangement；Two plates for forming one group of plate pair mutually fasten, the outer wall welded seal of inconsistent recessed ripple, and two
The outer wall for opening plate convexity ripple forms cold medium side runner；The adjacent two group plate being overlapped mutually to inconsistent convex ripple outside
Wall welded seal, two groups of plates form fused salt side runner to the outer wall of concave ripple；Fused salt side runner and cold medium side runner are mutual
Vertically without joint；The side of plate pair passes through connecting plate welded seal.
A kind of nuclear power system plate heat exchanger core, it includes the plate pair that array is overlapped mutually, and every group of plate is to including two
Opposite plate is opened, the plate is the concave-convex ripple unit topological structure of regular quadrangle honeycomb arrangement, every plate packet
Containing several ripple units, each ripple unit includes the convex ripple and recessed ripple of rectangular arrangement, and convex ripple interlocks with recessed ripple
Arrangement；Two plates for forming one group of plate pair mutually fasten, the outer wall welded seal of inconsistent recessed ripple, two plate convexities
The outer wall of ripple forms cold medium side runner；The adjacent two group plate being overlapped mutually is close to inconsistent convex ripple outer wall welding
Envelope, two groups of plates form fused salt side runner to the outer wall of concave ripple；Fused salt side runner and cold medium side runner are mutually perpendicular to no friendship
Meeting point；The side of plate pair passes through connecting plate welded seal.
Preferably, it is welded with the staggered baffle plate of several piece on two inner sidewalls of the connecting plate, baffle plate
Outer side edges are welded on connecting plate, and inner side edge extends in fused salt side runner, and the length of baffle plate is less than the width of fused salt side runner
Degree.
Preferably, the inner side edge of the baffle plate tilts down, and the angle between baffle plate and connecting plate is 70 ° -85 °.
The present invention is in the molten salt reactor course of work, high-temperature molten salt medium to flow from high to low in fused salt side runner, low
Warm medium flows from low to high in cold medium side runner, and high-temperature molten salt and cryogenic medium flows direction are in " ten " font；High temperature
Fused salt forms reciprocation cycle baffling under the barrier of baffle plate, increases the flow distance of high-temperature molten salt, carries out with cryogenic media
Sufficient heat exchange, heat exchange efficiency with higher.
The invention has the benefit that
(1) the concave-convex ripple unit topological structure or regular quadrangle honeycomb that plate uses hexagonal honeycomb shape to arrange in the present invention
The concave-convex ripple unit topological structure of arrangement, honeycomb structure make whole plate high-temperature molten salt by uniform decrease in temperature, plate are made to exist
Heat exchange work is completed at a temperature of being able to bear, and guarantees that fused salt smooth can circulate；
(2) occupied area is small after plate of the invention uses honeycomb structure, heat exchange core body integrated, reduces the body of heat exchanger
Product, is readily transported and installs；
(3) plate of the invention uses honeycomb structure, enhances the pressure difference for the cold and hot media of both sides that plate is born, can be with
The operating condition met the requirements；
(4) baffle plate is arranged in the present invention in heat exchange core body, when equipment operates normally, increases the flow channel length of fused salt, so that
Fused salt heat exchanging is abundant, improves heat exchange efficiency；In equipment downtime maintenance, the intracorporal fused-salt medium of core can empty in time, reduce core
The wash number of body.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is present invention flow direction of medium schematic diagram at work；
Fig. 3 is the concave-convex ripple unit topological structure schematic diagram of main heat exchange area hexagonal honeycomb shape arrangement；
Fig. 4 is sectional view along A-A in Fig. 3；
Fig. 5 is the concave-convex ripple unit topological structure schematic diagram of main heat exchange area regular quadrangle honeycomb arrangement；
Fig. 6 is the structural schematic diagram of inclined baffle；
In figure: 1, fused salt side runner, 2, cold medium side runner, 3, connecting plate, 4, baffle plate, 5, plate pair, 6, plate, 7, convex wave
Line, 8, recessed ripple.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawing.
Embodiment 1
A kind of nuclear power system plate heat exchanger core as shown in Figures 1 to 4, it includes the plate that is overlapped mutually of array to 5, often
Group plate includes two opposite plates 6 to 5, and plate 6 is the concave-convex ripple unit topological structure of hexagonal honeycomb shape arrangement, often
Opening plate 6 includes several ripple units, and each ripple unit includes that the convex ripple 7 of equilateral triangle arrangement and equilateral triangle are arranged
Recessed ripple 8, convex ripple 7 and recessed 8 interlaced arrangement of ripple；Two plates 6 that one group of plate is formed to 5 mutually fasten, and inconsistent is recessed
The outer wall of the outer wall welded seal of ripple 8, two 6 convexity ripples 7 of plate forms cold medium side runner 2；What is be overlapped mutually is adjacent
Two groups of plates to 5 inconsistent 7 outer wall welded seals of convex ripple, two groups of plates form fused salt side runner to the outer wall of 5 concave ripples 8
1；Fused salt side runner 1 and cold medium side runner 2 are mutually perpendicular to no joint；Plate passes through 3 welded seal of connecting plate to 5 side.
The staggered baffle plate 4 of several piece, the outer side edges weldering of baffle plate 4 are welded on two inner sidewalls of connecting plate 3
It connects on connecting plate 3, inner side edge extends in fused salt side runner 1, and the length of baffle plate 4 is less than the width of fused salt side runner 1.Folding
The inner side edge of flowing plate 4 tilts down, and the angle between baffle plate 4 and connecting plate 3 is 70 ° -85 °.
Embodiment 2
A kind of nuclear power system plate heat exchanger core as shown in Figure 5, it includes the plate that is overlapped mutually of array to 5, every group of plate
To 5 include two opposite plates 6, plate 6 be regular quadrangle honeycomb arrangement concave-convex ripple unit topological structure, every
Plate 6 includes several ripple units, and each ripple unit includes the convex ripple 7 and recessed ripple 8 of rectangular arrangement, convex ripple 7 with
Recessed 8 interlaced arrangement of ripple；Two plates 6 that one group of plate is formed to 5 mutually fasten, and the outer wall welding of inconsistent recessed ripple 8 is close
The outer wall of envelope, two 6 convexity ripples 7 of plate forms cold medium side runner 2；The adjacent two group plate being overlapped mutually is inconsistent to 5
7 outer wall welded seal of convex ripple, two groups of plates form fused salt side runner 1 to the outer walls of 5 concave ripples 8；Fused salt side runner 1 with it is cold
Medium side runner 2 is mutually perpendicular to no joint；Plate passes through 3 welded seal of connecting plate to 5 side.
The staggered baffle plate 4 of several piece, the outer side edges weldering of baffle plate 4 are welded on two inner sidewalls of connecting plate 3
It connects on connecting plate 3, inner side edge extends in fused salt side runner 1, and the length of baffle plate 4 is less than the width of fused salt side runner 1.Folding
The inner side edge of flowing plate 4 tilts down, and the angle between baffle plate 4 and connecting plate 3 is 70 ° -85 °.
The present invention is in the molten salt reactor course of work, high-temperature molten salt medium to flow from high to low in fused salt side runner, low
Warm medium flows from low to high in cold medium side runner, and high-temperature molten salt and cryogenic medium flows direction are in " ten " font；High temperature
Fused salt forms reciprocation cycle baffling under the barrier of baffle plate, increases the flow distance of high-temperature molten salt, carries out with cryogenic media
Sufficient heat exchange, heat exchange efficiency with higher.
Plate uses the concave-convex ripple unit topological structure or regular quadrangle honeycomb of hexagonal honeycomb shape arrangement in the present invention
The concave-convex ripple unit topological structure of shape arrangement, honeycomb structure make whole plate high-temperature molten salt by uniform decrease in temperature, make plate
In the at a temperature of completion heat exchange work being able to bear, guarantee that fused salt smooth can circulate.
Claims (4)
1. a kind of nuclear power system plate heat exchanger core, it includes the plate that is overlapped mutually of array to (5), and every group of plate wraps (5)
Include two opposite plates (6), it is characterised in that: the plate (6) is the concave-convex ripple unit of hexagonal honeycomb shape arrangement
Topological structure, every plate (6) include several ripple units, and each ripple unit includes the convex ripple (7) of equilateral triangle arrangement
With the recessed ripple (8) of equilateral triangle arrangement, convex ripple (7) and recessed ripple (8) interlaced arrangement；One group of plate is formed to two of (5)
Plate (6) mutually fastens, the outer wall welded seal of inconsistent recessed ripple (8), the outer wall of two plate (6) convexity ripples (7)
It is formed cold medium side runner (2)；The adjacent two group plate being overlapped mutually convex ripple (7) the outer wall welded seal inconsistent to (5),
Two groups of plates form fused salt side runner (1) to the outer wall of (5) concave ripple (8)；Fused salt side runner (1) and cold medium side runner (2)
It is mutually perpendicular to no joint；Plate passes through connecting plate (3) welded seal to the side of (5).
2. a kind of nuclear power system plate heat exchanger core, it includes the plate that is overlapped mutually of array to (5), and every group of plate wraps (5)
Include two opposite plates (6), it is characterised in that: the plate (6) is the concave-convex ripple list of regular quadrangle honeycomb arrangement
First topological structure, every plate (6) includes several ripple units, and each ripple unit includes the convex ripple (7) of rectangular arrangement
With recessed ripple (8), convex ripple (7) and recessed ripple (8) interlaced arrangement；One group of plate is formed mutually to detain two plates (6) of (5)
It closes, the outer wall welded seal of inconsistent recessed ripple (8), the outer wall of two plate (6) convexity ripples (7) forms cold medium effluent
Road (2)；The adjacent two group plate being overlapped mutually convex ripple (7) the outer wall welded seal inconsistent to (5), two groups of plates are in (5)
The outer wall of recessed ripple (8) forms fused salt side runner (1)；Fused salt side runner (1) is mutually perpendicular to nothing with cold medium side runner (2) and crosses
Point；Plate passes through connecting plate (3) welded seal to the side of (5).
3. nuclear power system according to claim 1 or 2 plate heat exchanger core, it is characterised in that: the connecting plate (3)
Two inner sidewalls on be welded with the staggered baffle plate of several piece (4), the outer side edges of baffle plate (4) are welded on connecting plate
(3) on, inner side edge is extended in fused salt side runner (1), and the length of baffle plate (4) is less than the width of fused salt side runner (1).
4. nuclear power system according to claim 3 plate heat exchanger core, it is characterised in that: the baffle plate (4)
Inner side edge tilts down, and the angle between baffle plate (4) and connecting plate (3) is 70 ° -85 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910785094.0A CN110514041A (en) | 2019-08-23 | 2019-08-23 | Nuclear power system plate heat exchanger core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910785094.0A CN110514041A (en) | 2019-08-23 | 2019-08-23 | Nuclear power system plate heat exchanger core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110514041A true CN110514041A (en) | 2019-11-29 |
Family
ID=68627476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910785094.0A Pending CN110514041A (en) | 2019-08-23 | 2019-08-23 | Nuclear power system plate heat exchanger core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110514041A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953562A (en) * | 2019-12-10 | 2020-04-03 | 苏州热工研究院有限公司 | Vertical natural circulation steam generator |
| WO2022007444A1 (en) * | 2020-07-07 | 2022-01-13 | 浙江锦欣节能科技有限公司 | Tube-on-sheet heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1378064A (en) * | 2001-03-30 | 2002-11-06 | 刘润海 | Heat exchange technology by means of circular honeycomb tube passage |
| CN2639827Y (en) * | 2003-07-28 | 2004-09-08 | 张曼丽 | Wide passage honeycomb plate welding type heat exchanger |
| CN1598468A (en) * | 2003-09-15 | 2005-03-23 | 彭锁华 | Plate type heat exchanger |
| CN1884957A (en) * | 2005-06-20 | 2006-12-27 | 张延丰 | Corrugated board cluster with straight flow channel to realize medium crossflow |
| CN101158561A (en) * | 2007-11-26 | 2008-04-09 | 北京市京海换热设备制造有限责任公司 | Plate heat exchanger composite corrugated plate bind |
| CN201653230U (en) * | 2010-02-09 | 2010-11-24 | 重庆远雄制冷成套设备有限公司 | Runner structure of heat exchanger plate |
| CN202188782U (en) * | 2011-05-11 | 2012-04-11 | 林志辉 | Honeycomb bunch tube type heat exchanger |
| CN102435086A (en) * | 2011-09-20 | 2012-05-02 | 华南理工大学 | Bionic honeycomb-type plate sheet for plate-type heat exchanger |
| CN204064035U (en) * | 2014-09-18 | 2014-12-31 | 山东旺泰机械科技有限公司 | New-type plate heat exchanger |
| CN205373491U (en) * | 2016-01-17 | 2016-07-06 | 郑州大学 | Honeycomb plate heat exchanger slab alternately flows |
| CN207180438U (en) * | 2017-06-09 | 2018-04-03 | 兰州兰石换热设备有限责任公司 | Plate type heat exchanger main heat exchange plate ripple plot structure |
| CN109323607A (en) * | 2018-09-28 | 2019-02-12 | 西安交通大学 | A kind of ultra-compact heat-exchangers of the plate type of honeycomb type |
| CN211552546U (en) * | 2019-08-23 | 2020-09-22 | 兰州兰石换热设备有限责任公司 | Plate heat exchanger core for nuclear power system |
-
2019
- 2019-08-23 CN CN201910785094.0A patent/CN110514041A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1378064A (en) * | 2001-03-30 | 2002-11-06 | 刘润海 | Heat exchange technology by means of circular honeycomb tube passage |
| CN2639827Y (en) * | 2003-07-28 | 2004-09-08 | 张曼丽 | Wide passage honeycomb plate welding type heat exchanger |
| CN1598468A (en) * | 2003-09-15 | 2005-03-23 | 彭锁华 | Plate type heat exchanger |
| CN1884957A (en) * | 2005-06-20 | 2006-12-27 | 张延丰 | Corrugated board cluster with straight flow channel to realize medium crossflow |
| CN101158561A (en) * | 2007-11-26 | 2008-04-09 | 北京市京海换热设备制造有限责任公司 | Plate heat exchanger composite corrugated plate bind |
| CN201653230U (en) * | 2010-02-09 | 2010-11-24 | 重庆远雄制冷成套设备有限公司 | Runner structure of heat exchanger plate |
| CN202188782U (en) * | 2011-05-11 | 2012-04-11 | 林志辉 | Honeycomb bunch tube type heat exchanger |
| CN102435086A (en) * | 2011-09-20 | 2012-05-02 | 华南理工大学 | Bionic honeycomb-type plate sheet for plate-type heat exchanger |
| CN204064035U (en) * | 2014-09-18 | 2014-12-31 | 山东旺泰机械科技有限公司 | New-type plate heat exchanger |
| CN205373491U (en) * | 2016-01-17 | 2016-07-06 | 郑州大学 | Honeycomb plate heat exchanger slab alternately flows |
| CN207180438U (en) * | 2017-06-09 | 2018-04-03 | 兰州兰石换热设备有限责任公司 | Plate type heat exchanger main heat exchange plate ripple plot structure |
| CN109323607A (en) * | 2018-09-28 | 2019-02-12 | 西安交通大学 | A kind of ultra-compact heat-exchangers of the plate type of honeycomb type |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953562A (en) * | 2019-12-10 | 2020-04-03 | 苏州热工研究院有限公司 | Vertical natural circulation steam generator |
| CN110953562B (en) * | 2019-12-10 | 2022-04-26 | 苏州热工研究院有限公司 | Vertical natural circulation steam generator |
| WO2022007444A1 (en) * | 2020-07-07 | 2022-01-13 | 浙江锦欣节能科技有限公司 | Tube-on-sheet heat exchanger |
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