CN107228348A - A kind of fused salt steam raising plant of mobile tube-sheet type - Google Patents
A kind of fused salt steam raising plant of mobile tube-sheet type Download PDFInfo
- Publication number
- CN107228348A CN107228348A CN201710448709.1A CN201710448709A CN107228348A CN 107228348 A CN107228348 A CN 107228348A CN 201710448709 A CN201710448709 A CN 201710448709A CN 107228348 A CN107228348 A CN 107228348A
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- fused salt
- steam
- perforated plate
- evaporator
- drum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/06—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of fused salt steam raising plant of mobile tube-sheet type, including the outlet of drum, fused salt evaporator, down-comer, tedge, fused salt entrance, fused salt, feed-water intake and steam (vapor) outlet；Fused salt evaporator includes cylinder, upper cover, low head, steam-generating bank, upper perforated plate, lower perforated plate, deflection plate, central tube, interior involucrum, and drum is arranged in the top of fused salt evaporator, is connected by down-comer, tedge and fused salt evaporator；Upper perforated plate, lower perforated plate in fused salt evaporator in arranging up and down, and steam-generating bank connects into an entirety with upper perforated plate, lower perforated plate by welding or expanded joint mode；Interior involucrum is provided with the outside of lower perforated plate, fused salt evaporator center arrangement has central tube, the down-comer drawn from drum enters the bottom of fused salt evaporator by central tube.The present invention efficiently solves temperature difference height, the big problem of stress that single tube plate, U-tube beam evaporation device are present, and improves the security of fused salt evaporator, can reduce the stress that steam-generating bank is born.
Description
Technical field
The invention belongs to the technical field of renewable energy utilization, and in particular to a kind of fused salt steam hair of mobile tube-sheet type
Generating apparatus.
Background technology
Solar energy, wind energy are the important components in regenerative resource, in recent years in order to solve problem of environmental pollution, are subtracted
Few fossil energy consumption, is substituted using the regenerative resource of solar energy, wind energy as core and is just risen in countries in the world.China is the sun
The abundant country of energy resource, wind resource, nearly ten years, solar energy, wind energy utilization there has been tremendous development in China.Statistics money
Material shows that, by the end of the end of the year 2016, it is 78,000,000 ten million that the photovoltaic of China, which adds up installed capacity, and wind-powered electricity generation adds up installed capacity and is
1.49 hundred million thousand ten thousand.Proportion of the wind energy with solar energy in China's energy resource structure gradually increases.
Due to the energy storage device without Large Copacity, the generated output of wind energy and solar energy is influenceed very big by honourable resource,
Therefore nearly 2 years with wind-powered electricity generation, the quick increase of photovoltaic installed capacity, three northern areas of China that China's wind power resources are concentrated, the Northwest
Abandon wind in the presence of serious, abandon optical phenomenon, serious place abandons wind, abandons light rate close to 30%.In order to solve the above problems, photovoltaic and
Wind-powered electricity generation must configure the energy-storage system of certain fused salt, and battery energy storage scheme, but the use longevity of battery are generally used at present
Life generally only 3-5, while the recycling of old and useless battery is still the problem of needing to solve.Perhaps it is beneficial to molten salt energy-storage skill
Art is to solve abandon wind, abandon a kind of effective ways of optical issue.
In the technology path of solar power generation, in addition to photovoltaic generation, photo-thermal power generation technology was gradually from demonstration in recent years
Using to scale application development.Photo-thermal power generation generally has large-scale energy-storage system, collection that can be sunshine and heat
The process of generating is decoupled, and is generated electricity according to power network demand, when the ratio of regenerative resource in power supply architecture gradually increases
When, requirement of the power network to power supply schedulability can gradually increase, and the characteristic of photo-thermal power generation is determined in following energy knot of China
Occupy critical role in structure.The heat-storage medium that photo-thermal power generation is used at present is typically fused salt, and fused salt has thermal capacitance height, liquidus temperature
The feature such as scope is wide, flowing heat transfer characteristic is good, is comparatively ideal heat accumulation carrier.
When having sun resource, the high-temperature molten salt of generation is stored in fused salt tank.When there is workload demand, extract hot melt salt and enter
Enter steam generating system, generation needs the steam of parameter, be transported to steam power system acting generating.Fused salt evaporator is steam
The visual plant of generation system, the normal operation of its reliability effect to steam generating system or even whole generating set.Due to
There is the larger temperature difference (may be more than 100 DEG C) in the import and export fused salt of fused salt evaporator, using traditional U-tube beam, shell
, there is the higher temperature difference and thermal stress in the heat exchanger structure of formula, be easily caused crackle and mouth of pipe leakage feelings on heat exchanger tube sheet
The generation of condition, so as to have influence on the reliability of fused salt heat exchanging device.
The content of the invention
The technical problem to be solved in the present invention is：There is provided a kind of fused salt steam raising plant of mobile tube-sheet type, evaporation
Device uses the double tubesheet structure of vertical, and water and steam flow is in pipe side, and fused salt flow is in shell-side；Double tubesheet is respectively arranged
On the top and bottom of evaporator, the two ends of steam-generating bank are connected with upper lower perforated plate by welding or expanded joint respectively；Upper perforated plate with
Evaporator tube fixes (generally using welding), and lower perforated plate can be along short transverse free wxpansion；It is designed with the outside of steam-generating bank
Deflection plate, the passage to form fused salt flowing.
The present invention solve above-mentioned technical problem use technical scheme be：A kind of fused salt steam generation dress of mobile tube-sheet type
Put, including the outlet of drum, fused salt evaporator, down-comer, tedge, fused salt entrance, fused salt, feed-water intake and steam (vapor) outlet；It is molten
Salt evaporator includes cylinder, upper cover, low head, steam-generating bank, upper perforated plate, lower perforated plate, deflection plate, central tube, interior involucrum,
Drum is arranged in the top of fused salt evaporator, is connected by down-comer, tedge and fused salt evaporator；It is upper in fused salt evaporator
Tube sheet, lower perforated plate in arranging up and down, steam-generating bank and upper perforated plate, lower perforated plate by weld or expanded joint mode connect into one it is whole
Body；Interior involucrum is provided with the outside of lower perforated plate, fused salt evaporator center arrangement has central tube, the down-comer drawn from drum leads to
Cross the bottom that central tube enters fused salt evaporator.
Wherein, feedwater is entered in drum by feed pipe during normal work, and the saturation water in drum is entered by down-comer
Enter into fused salt evaporator, down-comer enters fused salt evaporator bottom by central tube, saturation water changes direction in interior involucrum
Enter in steam-generating bank, heat is absorbed in steam-generating bank and completes steam raising process, and is entered by carbonated drink tedge
In drum, steam-water separation is completed in drum, the steam after separation flows out fused salt steam raising plant, saturation water from steam (vapor) outlet
Mixed with the water in drum and reenter down-comer, deflection plate is disposed with the outside of steam-generating bank, fused salt is formed in deflection plate
Flowed through in flowing, transfer heat to the medium in pipe, the steam raising process of complete water.
The advantage of the present invention compared with prior art is：
(1) the double tubesheet evaporation structure arranged above and below the present invention, efficiently solves single tube plate, U-tube beam evaporation device and deposits
The temperature difference is high, the big problem of stress, improve the security of fused salt evaporator；
(2) the lower perforated plate structure of packaged type of the present invention, can effectively absorb steam-generating bank in start and stop and variable working condition condition
The expansion displacement of lower presence is poor, reduces the stress that steam-generating bank is born；
(3) water and steam of the present invention walks pipe side, and flow direction is from bottom to top (using vertical type arrangement), this design side
Case is conducive to the power cycle of water and steam；System can use natural circulation mode, it is possible thereby to reduce initial cost and save
Operating cost；
(4) fused salt flow of the present invention is conducive to the thin salt of evaporator anti-condensation in the arrangement of shell-side, can improve fused salt
The security of vapo(u)rization system.
Brief description of the drawings
Fig. 1 is a kind of operation principle schematic diagram of the fused salt steam raising plant of mobile tube-sheet type of the present invention.
Reference implication is in figure：1 is drum, and 2 be fused salt evaporator, and 3 be down-comer, and 4 be tedge, and 5 be fused salt
Entrance, 6 be fused salt outlet, and 7 be feed-water intake, and 8 be steam (vapor) outlet, and 21 be cylinder, and 22 be upper cover, and 23 be low head, and 24 are
Steam-generating bank, 25 be upper perforated plate, and 26 be lower perforated plate, and 27 be cylinder centered on deflection plate, 28, and 29 be interior involucrum.
Embodiment
Below in conjunction with the accompanying drawings and embodiment further illustrates the present invention.
As shown in figure 1, a kind of fused salt steam raising plant of mobile tube-sheet type of the present invention, including：Drum 1, fused salt evaporation
Device 2, down-comer 3, tedge 4, fused salt entrance 5, fused salt outlet 6, feed-water intake 7 and steam (vapor) outlet 8；Fused salt evaporator 2 includes：
Cylinder 21, upper cover 22, low head 23, steam-generating bank 24, upper perforated plate 25, lower perforated plate 26, deflection plate 27, central tube 28 and Nei Bao
Shell 29.
Drum 1 is placed in the top of fused salt evaporator 2, and fused salt evaporator 2 presses vertical, and passes through down-comer 3, tedge
4 connect into an entirety with drum 1.The housing of fused salt evaporator 2 is made up of cylinder 21, upper cover 22, low head 23；Evaporator
Internals mainly include steam-generating bank 24, upper perforated plate 25, lower perforated plate 26, deflection plate 27, and upper perforated plate 25 is closely connected (generally with cylinder
Using welding manner), lower perforated plate 26 can the free wxpansion vertically in evaporator tube 21.Upper perforated plate 25, lower perforated plate 26 with
Steam-generating bank 24 is provided centrally with central tube 28, and the down-comer 3 after converging enters the bottom of evaporator by central tube 28.
The outside of steam-generating bank 24 is with being arranged at intervals with deflection plate 27 in pipe vertical direction, the hot melt salt come in from fused salt entrance 5
By the runner of the formation of deflection plate 27, the working medium in steam-generating bank 24 is transferred heat to, is flowed after temperature reduction from fused salt outlet 6
Go out evaporator.The outside of lower perforated plate 26 is provided with interior involucrum 29, the saturation water come out from down-comer 3, through interior involucrum (29) baffling
Reversely, lower perforated plate 26, steam-generating bank 24, upper perforated plate 25 are flowed successively through under the promotion of gravity pressure difference, and in steam-generating bank 24
Complete vaporization, the evaporation process of part water.Two phase flow enters drum 1 by tedge 4, and steam-water separation is completed in drum 1
Process, saturated vapor flows out vapo(u)rization system by steam (vapor) outlet 8, and drum moisturizing enters drum by feed pipe 7, to maintain drum 1
Water level is in normal position, and saturation water reenters evaporator 2 by down-comer 3, completes the cyclic process of vapo(u)rization system.
A kind of fused salt steam raising plant of mobile tube-sheet type, the design of the packaged type of lower perforated plate 26 can effectively absorb steaming
Hair 24 differential expansion under cold and hot of tube bank；The design of dual-tubesheet can eliminate U-tube, deposit on single tube plate structure simultaneously
The temperature difference and stress.The vertical of fused salt evaporator 2 is conducive to the foundation of Natural Circulation, saves circulating pump and running cost
With；Fused salt flow is also beneficial to dredge salt, the security of lifting system in the arrangement of shell-side simultaneously.
As fused salt heat storage capacity is gradually approved by everybody, application of the fused salt in energy storage field can be more and more extensive, can be with
Above-mentioned fused salt vapo(u)rization system is predicted to have broad application prospects.
Claims (2)
1. a kind of fused salt steam raising plant of mobile tube-sheet type, it is characterised in that：Including drum (1), fused salt evaporator (2),
Down-comer (3), tedge (4), fused salt entrance (5), fused salt outlet (6), feed-water intake (7) and steam (vapor) outlet (8)；Fused salt evaporates
Device (2) include cylinder (21), upper cover (22), low head (23), steam-generating bank (24), upper perforated plate (25), lower perforated plate (26),
Deflection plate (27), central tube (28), interior involucrum (29), drum (1) are arranged in the top of fused salt evaporator (2), pass through down-comer
(3), tedge (4) is connected with fused salt evaporator (2)；Above and below upper perforated plate (25), lower perforated plate (26) in fused salt evaporator (2) be in
Arrangement, steam-generating bank (24) connects into an entirety with upper perforated plate (25), lower perforated plate by welding or expanded joint mode；In lower perforated plate
(26) interior involucrum (29) is provided with the outside of, fused salt evaporator (2) center arrangement has central tube (28), is drawn from drum (1)
Down-comer (3) enters the bottom of fused salt evaporator (2) by central tube (28).
2. a kind of fused salt steam raising plant of mobile tube-sheet type according to claim 1, it is characterised in that：Normal work
When feedwater entered by feed pipe in drum (1), the saturation water in drum (1) enters fused salt evaporation by down-comer (3)
In device (2), down-comer (3) enters fused salt evaporator (2) bottom by central tube (28), and saturation water changes in interior involucrum (29)
Direction is entered in steam-generating bank (24), and heat is absorbed in steam-generating bank (24) and completes steam raising process, and passes through carbonated drink
Tedge (4) is entered in drum (1), and steam-water separation is completed in drum (1), and the steam after separation flows from steam (vapor) outlet (8)
Go out fused salt steam raising plant, saturation water mixes with the water in drum (1) and reenters down-comer (3), steam-generating bank (24)
Outside is disposed with deflection plate (27), and fused salt flows through in the flowing that deflection plate (27) is formed, and transfers heat to the medium in pipe,
The steam raising process of complete water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448709.1A CN107228348B (en) | 2017-06-14 | 2017-06-14 | Remove tube sheet formula's fused salt steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448709.1A CN107228348B (en) | 2017-06-14 | 2017-06-14 | Remove tube sheet formula's fused salt steam generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107228348A true CN107228348A (en) | 2017-10-03 |
| CN107228348B CN107228348B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710448709.1A Active CN107228348B (en) | 2017-06-14 | 2017-06-14 | Remove tube sheet formula's fused salt steam generator |
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| Country | Link |
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| CN (1) | CN107228348B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160027A (en) * | 2019-06-06 | 2019-08-23 | 杭州锅炉集团股份有限公司 | A kind of in-tube evaporation fused salt or conduction oil steam generating system and method without outer power drive |
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| CN1982777A (en) * | 2005-12-15 | 2007-06-20 | 湖北宜化化工股份有限公司 | Gas heat recovering device |
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| CN101699163A (en) * | 2009-10-28 | 2010-04-28 | 华南理工大学 | Molten salt tube-shell type steam generating device and method |
| CN203384953U (en) * | 2013-06-09 | 2014-01-08 | 青岛德固特节能装备股份有限公司 | Novel shock-cooling type waste heat boiler |
| CN104296118A (en) * | 2014-10-14 | 2015-01-21 | 常州大学 | Upright tube plate evaporator |
| CN205261499U (en) * | 2015-12-07 | 2016-05-25 | 南京华电节能环保设备有限公司 | Vertical fire tube boiler of high temperature |
| CN206890493U (en) * | 2017-06-14 | 2018-01-16 | 杭州锅炉集团股份有限公司 | A kind of fused salt steam raising plant of mobile tube-sheet type |
-
2017
- 2017-06-14 CN CN201710448709.1A patent/CN107228348B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1982777A (en) * | 2005-12-15 | 2007-06-20 | 湖北宜化化工股份有限公司 | Gas heat recovering device |
| CN201293302Y (en) * | 2008-07-31 | 2009-08-19 | 上海龙杰机械装备有限公司 | Natural circulation horizontal type fixed pipe plate type waste heat boiler |
| CN101699163A (en) * | 2009-10-28 | 2010-04-28 | 华南理工大学 | Molten salt tube-shell type steam generating device and method |
| CN203384953U (en) * | 2013-06-09 | 2014-01-08 | 青岛德固特节能装备股份有限公司 | Novel shock-cooling type waste heat boiler |
| CN104296118A (en) * | 2014-10-14 | 2015-01-21 | 常州大学 | Upright tube plate evaporator |
| CN205261499U (en) * | 2015-12-07 | 2016-05-25 | 南京华电节能环保设备有限公司 | Vertical fire tube boiler of high temperature |
| CN206890493U (en) * | 2017-06-14 | 2018-01-16 | 杭州锅炉集团股份有限公司 | A kind of fused salt steam raising plant of mobile tube-sheet type |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160027A (en) * | 2019-06-06 | 2019-08-23 | 杭州锅炉集团股份有限公司 | A kind of in-tube evaporation fused salt or conduction oil steam generating system and method without outer power drive |
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| Publication number | Publication date |
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| CN107228348B (en) | 2020-10-23 |
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Address after: 1216, danionggang Road, Jianggan District, Hangzhou City, Zhejiang Province, 310021 Patentee after: Xizi clean energy equipment manufacturing Co.,Ltd. Address before: 1216, danionggang Road, Jianggan District, Hangzhou City, Zhejiang Province, 310021 Patentee before: HANGZHOU BOILER GROUP Co.,Ltd. |
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