CN109899863A - A kind of Natural Circulation high-temperature heat accumulation steam supply heating installation and application method - Google Patents
A kind of Natural Circulation high-temperature heat accumulation steam supply heating installation and application method Download PDFInfo
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- CN109899863A CN109899863A CN201910203370.8A CN201910203370A CN109899863A CN 109899863 A CN109899863 A CN 109899863A CN 201910203370 A CN201910203370 A CN 201910203370A CN 109899863 A CN109899863 A CN 109899863A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 57
- 238000009825 accumulation Methods 0.000 title claims abstract description 40
- 238000009434 installation Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 276
- 238000005338 heat storage Methods 0.000 claims abstract description 32
- 239000007787 solid Substances 0.000 claims abstract description 25
- 230000005611 electricity Effects 0.000 claims abstract description 17
- 238000005485 electric heating Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 235000014171 carbonated beverage Nutrition 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000008236 heating water Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004146 energy storage Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010025 steaming Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Abstract
The invention discloses a kind of Natural Circulation high-temperature heat accumulation steam supply heating installations, including solid heat storage heap, vapor-water heat exchanger, water cartridge heater, plate heat exchanger, the accumulation of heat steam supply heating installation is to convert thermal energy storage in solid heat storage heap for night paddy electricity, thermal energy is exported by steam natural circulation system again, it realizes steam supply-heating dual-use function, solves the problems such as conventional solid accumulation of heat heating product heat exchange efficiency is low, noise is big, energy consumption is high, the service life is short, mode is single, there are security risks.Invention also provides the application methods of the Natural Circulation high-temperature heat accumulation steam supply heating installation.
Description
Technical field
The present invention relates to electrical heating technique field, especially a kind of accumulation of heat steam supply heating installation.
Background technique
The heating source of the northern area of China causes air pollution problems inherent very serious based on fire coal at present.Paddy
Electric heat-storage heating is the effective scheme for substituting coal heating, supplementing gas-heating.It uses electric heat storage technology, by night paddy electricity
Thermal energy storage is converted into heat storage, takes heat and heat exchange measure by a series of, provides heat source for whole day heating.It greatly develops
Paddy electric heat-storage heating has very important significance for the economical operation (peak load shifting) of power grid and winter cleaning heating.
There are some technical problems, such as air-solid to take heat pattern efficiency lower for traditional solid heat storage heating installation,
It is bulky and high-temperature blower is needed to provide power, the defects of it is big that there are noises, and energy consumption is high, and the service life is short；Meanwhile heat exchanger channels are easy
Blocking is collapsed, and has larger security risk.In addition, it is larger to the demand of steam in industrial production, and conventional solid regenerative apparatus is logical
Air heat-exchange is crossed, cannot achieve steam supply-heating dual-use.
Summary of the invention
The purpose of the present invention is being directed to conventional solid accumulation of heat heating the product problem and deficiency in actual use, mention
For a kind of Natural Circulation high-temperature heat accumulation steam supply heating installation, solution conventional solid accumulation of heat heating product heat exchange efficiency is low, noise is big,
Energy consumption is high, the service life is short, mode is single, there are problems that security risk.
The present invention additionally provides the application method of the Natural Circulation high-temperature heat accumulation steam supply heating installation simultaneously, can be realized night
Late trough-electricity heating accumulation of heat, non-paddy electricity heating on daytime, night low ebb electric heat storage, non-paddy electricity on daytime are for four kinds of modes of steam.
In order to achieve the above objectives, following technical solution can be used in Natural Circulation high-temperature heat accumulation steam supply heating installation of the present invention:
A kind of Natural Circulation high-temperature heat accumulation steam supply heating installation, including solid heat storage heap, vapor-water heat exchanger, water cartridge heater,
Plate heat exchanger；Electric heating tube and heat removing tube are provided in the solid heat storage heap, the heat removing tube has and vapor-water heat exchanger
First water inlet pipe of bottom connection and the first steam outlet pipe being connect with vapor-water heat exchanger top；The top of vapor-water heat exchanger has the
Two steam outlet pipes, the bottom of vapor-water heat exchanger have the second water inlet pipe, are equipped at the top of the water cartridge heater and connect with the second steam outlet pipe
Top outlet pipe；Second steam outlet pipe also continues extending other vapour interface out simultaneously, should go out vapour interface and the second steam outlet pipe
Between also set up steam-water separator；Bottom water pipe is extended in water cartridge heater bottom, the bottom water pipe and vapor-water heat exchanger bottom the
The connection of two water inlet pipes；Water cartridge heater top is additionally provided with the top outlet pipe connecting with the second water inlet pipe；Plate heat exchanger is connected with
Top water inlet pipe, the top water inlet pipe are also connect with the second steam outlet pipe；Plate heat exchanger is connected with lower part outlet pipe, which goes out
Water pipe is connect with the second water inlet pipe and bottom water pipe, and the first water inlet pipe, the second steam outlet pipe, top outlet pipe, out vapour interface, bottom
Portion's water pipe, top outlet pipe, is provided with switch valve on the outlet pipe of lower part at the second water inlet pipe.
It further, further include the water tank being used cooperatively with water cartridge heater, which is connected with vacuum-pumping tube
Road and vacuum pump, while there is the steam connection tube connecting with water cartridge heater top, the water connecting with water cartridge heater top connection
Pipe；Water tank is additionally provided with the pressure sensor of the liquidometer of liquid level and measurement hydraulic pressure in measurement water tank.
Further, water storage pot bottom is additionally provided with the water compensating valve on drain valve, water supply pipe and water supply pipe.
Further, water tank top is additionally provided with the relief valve on relief tube and relief tube.
Further, it is additionally provided with water outlet mouthpiece and enters water interface；The top water inlet pipe passes through plate heat exchanger and lower part
Outlet pipe is connected, and water outlet mouthpiece passes through plate heat exchanger and is connected with water interface is entered.
And the technical solution of the application method of above-mentioned Natural Circulation high-temperature heat accumulation steam supply heating installation are as follows:
Including night trough-electricity heating accumulation of heat, non-paddy electricity heating on daytime, night low ebb electric heat storage, non-paddy electricity on daytime for steaming
Vapour；
The heating accumulation of heat of night trough-electricity: vapor-water heat exchanger does not work；Close the company between water cartridge heater and vapor-water heat exchanger
It connects；Close the connection between water cartridge heater and plate heat exchanger；Water cartridge heater and the connection between vapour interface out are closed, water is opened
Connection between cartridge heater and plate heat exchanger and in such a way that water cartridge heater heats water to plate heat exchanger heat supply, and,
Electric heating tube is opened, solid heat storage heap starts accumulation of heat；
Non- paddy electricity heating on daytime: water cartridge heater does not work；The connection between water cartridge heater and vapor-water heat exchanger is closed, is opened
Connection between vapor-water heat exchanger and plate heat exchanger；Open the first water inlet pipe；Water in vapor-water heat exchanger is consolidated through heat removing tube
Body accumulation of heat heap is thermally formed high-temperature steam, and water is exchanged heat through shell-and-tube steam and water heat exchanger at hot water, then through plate by setting water pump
Formula heat exchanger and user side water exchange heat, and user side water is flowed into from water interface is entered, and hot water is flowed out from water outlet mouthpiece after heat exchange；
Night low ebb electric heat storage: water cartridge heater, vapor-water heat exchanger do not work, close water cartridge heater and vapor-water heat exchanger it
Between connection, close the connection between plate heat exchanger and water cartridge heater, close the company between water cartridge heater and vapor-water heat exchanger
It connects, closes the first water inlet pipe；Electric heating tube is opened, solid heat storage heap starts accumulation of heat；
Daytime, non-paddy electricity was for steam: closing electric heating tube；Close the connection between plate heat exchanger and vapor-water heat exchanger；It closes
Close the connection between plate heat exchanger and water cartridge heater；Opening top outlet pipe makes water cartridge heater pass through top outlet pipe and carbonated drink
Exchanger base connection；After water heating in water cartridge heater, enters back into vapor-water heat exchanger and be heated into steam, through steam-water separator point
From rear, from vapour interface out export user needed for steam.
The utility model has the advantages that compared with the existing technology, Natural Circulation high-temperature heat accumulation steam supply heating installation provided by the invention has
Following advantage:
(1) by heat transfer, heat removing tube absorbs heat and water in pipe is heated as water steaming for heat removing tube and solid heat storage heap
Vapour, water vapour are condensed into water after exchanging heat using shell-and-tube steam and water heat exchanger, this endless form is not needed to provide power, be relied on
The unpowered circulation of device can be realized in steam natural circulation, has the advantages that efficient, environmentally friendly, safe, noiseless.(2) according to end
End load variation adjusts the water entered in heat removing tube, to control generation steam by remotely controlling inlet regulating valve aperture
Flow realizes that heat exchange amount is adjusted immediately in vapor-water heat exchanger, economical and efficient.(3) according to actual needs, pass through Remote control valve door
For switch, it can be achieved that heating mode and being switched fast for steam mode, dual-use, it is convenient to convert.(4) it during night paddy electricity, stores
Thermal reactor accumulation of heat separates progress with heating, and by Remote control valve door switch, solid heat storage heap only carries out accumulation of heat, does not undertake heating,
Heat storage efficiency is high；The heating in night is all undertaken by water cartridge heater, and the electric heating tube in water cartridge heater directly heats recirculated water,
And heating source is provided, improve the integrated heat efficiency in night.
Detailed description of the invention
Fig. 1 is the structure principle chart of Natural Circulation high-temperature heat accumulation steam supply heating installation of the present invention.
The corresponding element of each label in Fig. 1 are as follows: 1. protection shells；2. electric heating tube；3. solid heat storage heap；4. suction pump；
5. shell-and-tube steam and water heat exchanger；6. water tank；7. vacuum pump；8. water cartridge heater；9. plate heat exchanger；10. steam-water separator；
11. electric heating tube；12. going out vapour interface；13. water outlet mouthpiece；14. entering water interface；15. water inlet interface；16. the second water inlet pipe；17.
Second steam outlet pipe；18. bottom water pipe；19. lower part outlet pipe；20. top outlet pipe；21. top outlet pipe；22. top intakes
Pipe；23. the first water inlet pipe；24. heat removing tube；25. the first steam outlet pipe；26. steam connection tube；27. water connecting tube；28. vacuumizing
Pipeline；29. relief tube；30. water supply pipe；31. inlet regulating valve；32. vacuum pump valve；33 relief valves；34. water compensating valve；35. sluicing
Valve；36. outlet valve；37. valve；38. inlet valve；39. steam outlet pipe valve；40. outlet valve；41. inlet valve；42. bottom valve；43.
Outlet valve；44. gas outlet valve；45. drain valve；46. outlet valve；47. entering water valve；48. entering water valve；49. liquidometer；50. pressure passes
Sensor；51. temperature sensor.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following case study on implementation is only used for clearly illustrating this hair
Bright technical solution, and not intended to limit the protection scope of the present invention.
Refering to Figure 1, a kind of Natural Circulation high-temperature heat accumulation steam supply heating installation of the present invention, including solid heat storage heap 3,
Vapor-water heat exchanger 5, water cartridge heater 8, plate heat exchanger 9；Electric heating tube 2 and heat removing tube 24 are provided in the solid heat storage heap 3,
The heat removing tube 24 have the first water inlet pipe 23 for being connect with 5 bottom of vapor-water heat exchanger and with connected at the top of vapor-water heat exchanger 5
First steam outlet pipe 25；The top of vapor-water heat exchanger 5 has the second steam outlet pipe 17, and the bottom of vapor-water heat exchanger 5 has the second water inlet
Pipe 16 is equipped with the top outlet pipe 21 connecting with the second steam outlet pipe 17 at the top of the water cartridge heater 8；Second steam outlet pipe 17 is gone back simultaneously
Continue to extend other vapour interface 12 out, should go out also set up steam-water separator 10 between vapour interface 12 and the second steam outlet pipe 17；
Bottom water pipe 18 is extended in water cartridge heater bottom, which connect with the second water inlet pipe of vapor-water heat exchanger bottom 16；Water
8 top of cartridge heater is additionally provided with the top outlet pipe 20 connecting with the second water inlet pipe 16；Plate heat exchanger is connected with top water inlet pipe
22, which also connect with the second steam outlet pipe 17；Plate heat exchanger is connected with lower part outlet pipe 19, lower part water outlet
Pipe 19 is connect with the second water inlet pipe 16 and bottom water pipe 18.It further include the water tank being used cooperatively with water cartridge heater, the water tank
Top is connected with vacuum lead 28 and vacuum pump 7, while having the steam connection tube 26 and water connecting with water cartridge heater top
The water connecting tube 27 of cartridge heater top connection；Water tank is additionally provided with the liquidometer 49 of liquid level in measurement water tank and measures hydraulic pressure
Pressure sensor 50.Water storage pot bottom is additionally provided with the water compensating valve 34 on drain valve 35, water supply pipe 30 and water supply pipe.Water tank top
The relief valve 35 being additionally provided on relief tube 29 and relief tube.It is additionally provided with water outlet mouthpiece 13 and enters water interface 14.The top water inlet
Pipe 22 passes through plate heat exchanger and is connected with lower part outlet pipe 19, and water outlet mouthpiece 13 passes through plate heat exchanger and enters 14 phase of water interface
Even.
First water inlet pipe 23, top outlet pipe 21, goes out vapour interface 12, the water inlet of bottom water pipe 18, second at second steam outlet pipe 17
Pipe 16, top outlet pipe 20, lower part outlet pipe 19, steam connection tube 26, water connecting tube 27, water outlet mouthpiece 13, top water inlet pipe
Switch valve is provided on 22, comprising: inlet regulating valve 31, relief valve 33, water compensating valve 34, drain valve 35, outlet valve 36, valve
37, inlet valve 38, steam outlet pipe valve 39, outlet valve 40, inlet valve 41, bottom valve 42, outlet valve 43, gas outlet valve 44, drain valve 45,
Outlet valve 46 enters water valve 47, enters water valve 48
And the application method of above-mentioned Natural Circulation high-temperature heat accumulation steam supply heating installation, including night trough-electricity heating accumulation of heat,
Non- paddy electricity heating on daytime, night low ebb electric heat storage, non-paddy electricity on daytime are for steam；Specifically:
The heating accumulation of heat of night trough-electricity: vapor-water heat exchanger does not work；Close the company between water cartridge heater 8 and vapor-water heat exchanger
It connects；Close the connection between water cartridge heater 8 and plate heat exchanger 9；Water cartridge heater 8 and the connection between vapour interface 12 out are closed,
Open the connection between water cartridge heater 8 and plate heat exchanger 9 and in such a way that water cartridge heater 8 heats water to plate heat exchanger 9
Heat supply, and, electric heating tube 2 is opened, solid heat storage heap 3 starts accumulation of heat；
Non- paddy electricity heating on daytime: water cartridge heater 8 does not work；The connection between water cartridge heater 8 and vapor-water heat exchanger 5 is closed,
Open the connection between vapor-water heat exchanger 5 and plate heat exchanger 9；Open the first water inlet pipe 23；Vacuum pump 7 is opened, and is opened and is taken out very
Empty valve 32 starts to vacuumize until pressure sensor 50 monitors that pressure is less than preset pressure, and closing vacuum pumping valve 32 is closed true
Sky pump 7；If liquidometer 49 measures liquid level lower than warning value, warning note moisturizing；According to temperature automatic adjustment inlet regulating valve
31 apertures.Water in vapor-water heat exchanger 5 is thermally formed high-temperature steam by solid heat storage heap 3 through heat removing tube 24, by the way that water pump is arranged
Water is exchanged heat through shell-and-tube steam and water heat exchanger 5 into hot water, then is exchanged heat through plate heat exchanger 9 and user side water, user side water is from entering
Water interface 14 flows into, and hot water is flowed out from water outlet mouthpiece 13 after heat exchange；
Night low ebb electric heat storage: water cartridge heater 8, vapor-water heat exchanger do not work, close water cartridge heater 8 and vapor-water heat exchanger
Between connection, close the connection between plate heat exchanger 9 and water cartridge heater 8, close between water cartridge heater 8 and vapor-water heat exchanger
Connection, close the first water inlet pipe 23；Electric heating tube 2 is opened, solid heat storage heap 3 starts accumulation of heat；
Daytime, non-paddy electricity was for steam: closing electric heating tube 2；Close the company between plate heat exchanger 9 and vapor-water heat exchanger 5
It connects；Close the connection between plate heat exchanger 9 and water cartridge heater 8；Opening top outlet pipe 20 goes out water cartridge heater 8 by top
Water pipe 20 is connect with 5 bottom of vapor-water heat exchanger；After water heating in water cartridge heater 8, enters back into vapor-water heat exchanger 5 and be heated into steaming
Vapour, after the separation of steam-water separator 10, from steam needed for the output user of vapour interface 12 out.
Claims (6)
1. a kind of Natural Circulation high-temperature heat accumulation steam supply heating installation, which is characterized in that including solid heat storage heap (3), steam-water heat exchanging
Device (5), water cartridge heater (8), plate heat exchanger (9)；Electric heating tube (2) and heat removing tube are provided in the solid heat storage heap (3)
(24), the heat removing tube (24) has the first water inlet pipe (23) and and vapor-water heat exchanger connecting with vapor-water heat exchanger (5) bottom
(5) the first steam outlet pipe (25) that top connects；The top of vapor-water heat exchanger (5) has the second steam outlet pipe (17), vapor-water heat exchanger
(5) bottom has the second water inlet pipe (16), and the top connecting with the second steam outlet pipe (17) is equipped at the top of the water cartridge heater (8)
Outlet pipe (21)；Second steam outlet pipe (17) also continue extending simultaneously it is other go out vapour interface (12), should go out vapour interface (12) with
Steam-water separator (10) are also set up between second steam outlet pipe (17)；Extend bottom water pipe (18), the bottom in water cartridge heater (8) bottom
Portion's water pipe (18) is connect with the second water inlet pipe of vapor-water heat exchanger bottom (16)；Water cartridge heater (8) top is additionally provided with and the second water inlet
Manage the top outlet pipe (20) of (16) connection；Plate heat exchanger (9) is connected with top water inlet pipe (22), the top water inlet pipe (22)
Also it is connect with the second steam outlet pipe (17)；Plate heat exchanger (9) is connected with lower part outlet pipe (19), the lower part outlet pipe (19) and the
Two water inlet pipes (16) and bottom water pipe (18) connection, and the first water inlet pipe (23), the second steam outlet pipe (17), top outlet pipe
(21), go out vapour interface (12), bottom water pipe (18), the second water inlet pipe (16), top outlet pipe (20), on lower part outlet pipe (19)
It is provided with switch valve.
2. Natural Circulation high-temperature heat accumulation steam supply heating installation according to claim 1, it is characterised in that: further include adding with water
The water tank (6) that hot cylinder (8) is used cooperatively, water tank (6) top are connected with vacuum lead (28) and vacuum pump (7), together
When there is the steam connection tube (26) connecting with water cartridge heater (8) top, the water connecting tube that connect with water cartridge heater (8) top
(27)；Water tank (6) is additionally provided with the liquidometer (49) of measurement water tank (6) interior liquid level and measures the pressure sensor of hydraulic pressure
(50)。
3. Natural Circulation high-temperature heat accumulation steam supply heating installation according to claim 2, it is characterised in that: water tank (6) bottom
Portion is additionally provided with the water compensating valve (34) on drain valve (35), water supply pipe (30) and water supply pipe.
4. Natural Circulation high-temperature heat accumulation steam supply heating installation according to claim 3, it is characterised in that: on water tank (6)
Portion is additionally provided with the relief valve (35) on relief tube (29) and relief tube.
5. Natural Circulation high-temperature heat accumulation steam supply heating installation according to claim 1, it is characterised in that: be additionally provided with water outlet and connect
Mouthful (13) and enter water interface (14)；The top water inlet pipe (22) passes through plate heat exchanger (9) and is connected with lower part outlet pipe (19),
Water outlet mouthpiece (13) passes through plate heat exchanger (9) and is connected with water interface (14) is entered.
6. special according to claim 1 to the application method of Natural Circulation high-temperature heat accumulation steam supply heating installation described in any one of 5
Sign is, including night trough-electricity heating accumulation of heat, non-paddy electricity heating on daytime, night low ebb electric heat storage, non-paddy electricity on daytime are for steam；
The heating accumulation of heat of night trough-electricity: vapor-water heat exchanger (5) does not work；It closes between water cartridge heater (8) and vapor-water heat exchanger (5)
Connection；Close the connection between water cartridge heater (8) and plate heat exchanger (9)；Close water cartridge heater (8) and vapour interface (12) out
Between connection, open the connection between water cartridge heater (8) and plate heat exchanger (9) and by water cartridge heater (8) heating water
Mode to plate heat exchanger (9) heat supply, and, open electric heating tube (2), solid heat storage heap (3) start accumulation of heat；
Non- paddy electricity heating on daytime: water cartridge heater (8) does not work；Close the company between water cartridge heater (8) and vapor-water heat exchanger (5)
It connects, opens the connection between vapor-water heat exchanger (5) and plate heat exchanger (9)；Open the first water inlet pipe (23)；Vapor-water heat exchanger
(5) water in is thermally formed high-temperature steam by solid heat storage heap (3) through heat removing tube (24), by setting water pump (4) by water through pipe
Shell type steam-water heat exchanger (5) exchanges heat into hot water, then exchanges heat through plate heat exchanger (9) and user side water, and user side water connects from water is entered
Mouth (14) flows into, and hot water is flowed out from water outlet mouthpiece (13) after heat exchange；
Night low ebb electric heat storage: water cartridge heater (8), vapor-water heat exchanger do not work, close water cartridge heater (8) and vapor-water heat exchanger
Between connection, close the connection between plate heat exchanger (9) and water cartridge heater (8), closing water cartridge heater (8) and steam-water heat exchanging
Connection between device is closed the first water inlet pipe (23)；It opens electric heating tube (2), solid heat storage heap (3) starts accumulation of heat；
Daytime, non-paddy electricity was for steam: closing electric heating tube (2)；Close the company between plate heat exchanger (9) and vapor-water heat exchanger (5)
It connects；Close the connection between plate heat exchanger (9) and water cartridge heater (8)；Opening top outlet pipe (20) keeps water cartridge heater (8) logical
Top outlet pipe (20) is crossed to connect with vapor-water heat exchanger (5) bottom；After water heating in water cartridge heater (8), enters back into carbonated drink and change
Hot device (5) is heated into steam, after steam-water separator (10) separation, from steam needed for the output user of vapour interface (12) out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203370.8A CN109899863B (en) | 2019-03-18 | 2019-03-18 | Natural circulation high-temperature heat storage steam supply heating device and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203370.8A CN109899863B (en) | 2019-03-18 | 2019-03-18 | Natural circulation high-temperature heat storage steam supply heating device and use method |
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| CN109899863B CN109899863B (en) | 2023-11-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469891A (en) * | 2019-07-26 | 2019-11-19 | 浙江大学 | A kind of solid sensible heat storage heating system and method |
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| Publication number | Publication date |
|---|---|
| CN109899863B (en) | 2023-11-28 |
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