CN206890493U - 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
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- CN206890493U CN206890493U CN201720691152.XU CN201720691152U CN206890493U CN 206890493 U CN206890493 U CN 206890493U CN 201720691152 U CN201720691152 U CN 201720691152U CN 206890493 U CN206890493 U CN 206890493U
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- fused salt
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Abstract
The utility model 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 connect into an entirety with upper perforated plate, lower perforated plate in arrangement up and down, steam-generating bank 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, and the down-comer drawn from drum enters the bottom of fused salt evaporator by central tube.Efficiently solve that single tube plate, the temperature difference existing for U-tube beam evaporation device be high, the big problem of stress, improve the security of fused salt evaporator, the stress that steam-generating bank is born can be reduced.
Description
Technical field
The utility model belongs to the technical field of renewable energy utilization, and in particular to a kind of fused salt of mobile tube-sheet type steams
Vapour generating means.
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, the regenerative resource using solar energy, wind energy as core substitutes just rises 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, by the end of the end of the year 2016, it is 78,000,000 ten million that the photovoltaic in 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 of no Large Copacity, the generated output of wind energy and solar energy influenceed by honourable resource it is very big,
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, generally use is battery energy storage scheme at present, but battery uses the longevity
Life generally only 3-5, while the recycling of old and useless battery is still to need to solve the problems, such as.Perhaps it is beneficial to molten salt energy-storage skill
Art is that 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
Develop using to scale application.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 in China
Occupy critical role in structure.The heat-storage medium that photo-thermal power generation uses at present is typically fused salt, and fused salt has thermal capacitance height, liquidus temperature
The features such as scope is wide, flowing heat transfer characteristic is good, it is comparatively ideal heat accumulation carrier.
When having sun resource, caused high-temperature molten salt is stored in fused salt tank.When there is workload demand, extract hot melt salt and enter
Enter steam generating system, produce the steam for needing parameter, be transported to steam power system acting and generate electricity.Fused salt evaporator is steam
The normal operation of the visual plant of generation system, 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 inlet and outlet fused salt of fused salt evaporator, using traditional U-tube beam, shell
The heat exchanger structure of formula, the higher temperature difference and thermal stress on heat exchanger tube sheet be present, easily cause crackle and the mouth of pipe to leak feelings
The generation of condition, so as to have influence on the reliability of fused salt heat exchanging device.
Utility model content
The technical problems to be solved in the utility model is：A kind of fused salt steam raising plant of mobile tube-sheet type is provided,
Evaporator uses the two-tube harden structure of vertical, and water and steam flow is in pipe side, and fused salt flow is in shell-side；Double tubesheet is distinguished
The top and bottom of evaporator are arranged in, the both ends of steam-generating bank are connected with upper lower perforated plate by welding or expanded joint respectively；Upper tube
Plate is fixed (generally use welding) with evaporator tube, and lower perforated plate can be along short transverse free wxpansion；Set on the outside of steam-generating bank
In respect of deflection plate, to form the passage of fused salt flowing.
The technical scheme in the invention for solving the above technical problem is：A kind of fused salt steam hair of mobile tube-sheet type
Generating apparatus, including the outlet of drum, fused salt evaporator, down-comer, tedge, fused salt entrance, fused salt, feed-water intake and steam go out
Mouthful；Fused salt evaporator includes cylinder, upper cover, low head, steam-generating bank, upper perforated plate, lower perforated plate, deflection plate, central tube, interior
Involucrum, drum are arranged in the top of fused salt evaporator, are connected by down-comer, tedge and fused salt evaporator；Fused salt evaporator
Interior upper perforated plate, lower perforated plate connect into one with upper perforated plate, lower perforated plate in arrangement up and down, steam-generating bank by welding or expanded joint mode
Individual entirety；Interior involucrum is provided with the outside of lower perforated plate, fused salt evaporator center arrangement has central tube, the decline drawn from drum
Pipe enters the bottom of fused salt evaporator by central tube.
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, and 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 utility model compared with prior art the advantages of be：
(1) the double tubesheet evaporation structure that the utility model is arranged up and down, efficiently solves single tube plate, U-tube beam evaporation
The temperature difference existing for device is high, the big problem of stress, improves the security of fused salt evaporator；
(2) the down tube harden structure of the utility model packaged type, steam-generating bank can effectively be absorbed in start and stop and variable working condition
Under the conditions of existing expansion displacement it is poor, reduce the stress that bears of steam-generating bank；
(3) the utility model water and steam walks pipe side, and flow direction (is arranged) using vertical type from bottom to top, this to set
Meter scheme is advantageous to the power cycle of water and steam；System can use natural circulation mode, it is possible thereby to reduce initial cost simultaneously
Save operating cost；
(4) the utility model fused salt flow be advantageous in the arrangement of shell-side evaporator thin salt it is anti-condensation, can improve
The security of fused salt 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 utility model.
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 that fused salt exports, 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 deflection plate, and cylinder centered on 28,29 be interior involucrum.
Embodiment
Below in conjunction with the accompanying drawings and embodiment further illustrates the utility model.
As shown in figure 1, a kind of fused salt steam raising plant of mobile tube-sheet type of the utility model, 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 evaporator 2
Including：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
With interior involucrum 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 be in the axially free expansion of the interior edge of 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 in the hot melt salt with being arranged at intervals with deflection plate 27 in pipe vertical direction, come in from fused salt entrance 5
The runner formed by deflection plate 27, transfers heat to the working medium in steam-generating bank 24, and temperature flows after reducing 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, anti-through the interior baffling of involucrum 29
To, lower perforated plate 26, steam-generating bank 24, upper perforated plate 25 are flowed successively through under the promotion of gravity pressure difference, and it is complete in steam-generating bank 24
Vaporization, evaporation process into part water.Two phase flow enters drum 1 by tedge 4, and steam-water separation mistake is completed in drum 1
Journey, saturated vapor flow out vapo(u)rization system by steam (vapor) outlet 8, and drum moisturizing enters drum by feed pipe 7, to maintain the water of drum 1
Position 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 advantageous 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)
- A kind of 1. 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)；Upper perforated plate (25), lower perforated plate (26) in fused salt evaporator (2) is in up and down Arrangement, steam-generating bank (24) connect 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).
- A kind of 2. 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 |
|---|---|---|---|
| CN201720691152.XU CN206890493U (en) | 2017-06-14 | 2017-06-14 | A kind of fused salt steam raising plant of mobile tube-sheet type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720691152.XU CN206890493U (en) | 2017-06-14 | 2017-06-14 | A kind of fused salt steam raising plant of mobile tube-sheet type |
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| CN206890493U true CN206890493U (en) | 2018-01-16 |
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| CN201720691152.XU Active CN206890493U (en) | 2017-06-14 | 2017-06-14 | A kind of fused salt steam raising plant of mobile tube-sheet type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228348A (en) * | 2017-06-14 | 2017-10-03 | 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 |
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2017
- 2017-06-14 CN CN201720691152.XU patent/CN206890493U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228348A (en) * | 2017-06-14 | 2017-10-03 | 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 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jianggan District Danong Port Road in Hangzhou city of Zhejiang Province, No. 1216 Patentee after: Xizi clean energy equipment manufacturing Co.,Ltd. Address before: Jianggan District Danong Port Road in Hangzhou city of Zhejiang Province, No. 1216 Patentee before: HANGZHOU BOILER GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |