CN107191904A - Fused salt accumulation of heat and thermal energy step utilize direct supply system and method - Google Patents
Fused salt accumulation of heat and thermal energy step utilize direct supply system and method Download PDFInfo
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- CN107191904A CN107191904A CN201710322117.5A CN201710322117A CN107191904A CN 107191904 A CN107191904 A CN 107191904A CN 201710322117 A CN201710322117 A CN 201710322117A CN 107191904 A CN107191904 A CN 107191904A
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- Prior art keywords
- fused salt
- salt
- steam generator
- steam
- pump
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Classifications
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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
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
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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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Direct supply system and method are utilized the embodiments of the invention provide a kind of fused salt accumulation of heat and thermal energy step, wherein steam generator by high-temperature molten salt to water provided with fused salt passage and aquaporin to carry out being thermally formed steam, and the fused salt passage connection high temperature melting salt cellar of steam generator, high-temperature melting salt pump, cryogenic heat exchanger, low-temperature molten salt tank form the fused salt loop of closure;Aquaporin connection frequency conversion feed pump, steam pump, the gas utilization unit formation steam-return line of steam generator, the water inlet of the aquaporin of steam generator by frequency conversion feed pump connect hydraulic pipeline, and the aquaporin of steam generator outlet connect through steam pump connect gas utilization unit gas utilization unit is transported to after the high-temperature molten salt in fused salt loop is heated into vapor with the water for inputting water inlet;Cryogenic heat exchanger includes fused salt loop and air channel, and the fused salt loop of cryogenic heat exchanger connects the fused salt loop of steam generator to be transported to low-temperature molten salt pump after the fused salt of steam generator carries out heat exchange with the wind in air channel again.
Description
Technical field
Direct supply system and side are utilized the present invention relates to energy technology field, more particularly to a kind of fused salt accumulation of heat and thermal energy step
Method.
Background technology
Conscientiously to carry out State Council《Prevention and control of air pollution action plan》With each department prevention and control of air pollution action meter
Embodiment is drawn, each department put forth effort, by promoting urban heating coal to change electricity, to improve cities and towns clean energy resource heat supply proportion, fill up dismounting
Blank after poorly efficient coal-burning boiler, rich electric power of dissolving mitigates thermal source heat supply network and builds pressure, improve heating management mode, promotes
The related industries such as new energy equipment manufacture, energy-conserving and environment-protective service trade are upgraded and development pattern transformation.Using trough-electricity accumulation of heat certainly
The policy implementation for rich electric power of dissolving can be implemented well by so turning into, and the effective technology means of operating cost can be reduced again.
It is, as heat transfer medium, to be transported to heat energy using liquid phase forced circulation mode using fused salt that fused salt, which stores heating system,
A kind of novel system of heating equipment.Because the system has low-voltage high-temperature, can carried out accurately under the heat supply temperature of setting
The features such as temperature adjustment, be applied to the production occasion of 350-600 DEG C of high temperature heat transfer, be widely used in oil, chemical textile,
Numerous industries such as food, plastics, rubber, metallurgy and building materials, market demand is increasing.Domestic fused salt stores heat supply system at present
System there are problems that with design defect, controlled level not.It is many to be produced using fused salt heat exchanging for industrial user's system
Steam supply and demand wants the place of steam load to use, and also has steam to produce other types of heating agent by secondary heat exchange again as needed
Load, such as hot blast, hot water, the heat-exchange system of steam are more complicated, handle bad the problem of condensed water, production technology can be produced
Harmful effect.Moreover, utilization of steam is more, each road load variations adjustment can have deviation and timely sex chromosome mosaicism etc..These problems
Presence, have impact on the using effect of system, normal the using of serious meeting influence system.
The content of the invention
The problem of heating system is present is stored for fused salt in the prior art, the purpose of the embodiment of the present invention, which is to provide one kind, to be had
Effect and efficient fused salt storage heating system and method.
In order to solve the above problems, the embodiment of the present invention proposes a kind of fused salt and stores heating system, including:High temperature melting salt cellar
1st, low-temperature molten salt tank 2, hot air heat exchanger 3, steam generator 4, gas utilization unit 5, low-temperature molten salt pump 6, high-temperature melting salt pump 7, frequency conversion
Feed pump 8, steam trap 9, air-valve 10, motor-driven valve 11;Wherein described steam generator 4 is provided with fused salt passage and aquaporin to pass through
High-temperature molten salt carries out being thermally formed steam to water, wherein fused salt passage connection high temperature melting salt cellar 1, the height of the steam generator 4
Temperature molten salt pump 7, cryogenic heat exchanger 3, the fused salt loop of the formation closure of low-temperature molten salt tank 2;The water of wherein described steam generator 4 leads to
Road connection frequency conversion feed pump 8, steam pump 9, the formation steam-return line of gas utilization unit 5, the water of the wherein aquaporin of steam generator 4 enter
Mouthful hydraulic pipeline is connected by frequency conversion feed pump 8, and the outlet of the aquaporin of steam generator 4 connects through steam pump 9 and connected
Gas utilization unit 5 is transported to after the high-temperature molten salt in fused salt loop is heated into vapor with the water for inputting water inlet and set with vapour
Standby 5;Wherein cryogenic heat exchanger 3 includes fused salt loop and air channel, the fused salt loop connection steam generator of the cryogenic heat exchanger 3
Melted so that low temperature will be transported to after the fused salt of steam generator 4 carries out heat exchange with the wind in air channel again in 4 fused salt loop
Salt pump 6.
Wherein, the air channel of the cryogenic heat exchanger 3 is provided with air-valve 10.
Wherein, the high temperature melting salt cellar 1, high-temperature melting salt pump 7, steam generator 4, hot water heat exchanger 3, low-temperature molten salt tank 2
Between be designed with electric-heating belt 12 on the pipeline that connects.
Wherein, the outlet of the high temperature melting salt cellar 1 is provided with flow sensor, pressure sensor, temperature sensor;It is described to steam
The fused salt feeder connection of vapour generator 4 and outlet are all respectively equipped with pressure sensor, temperature sensor;The steam generator 4
Aquaporin outlet be provided with flow sensor, pressure sensor, temperature sensor;The entrance of low-temperature molten salt tank 2 is provided with pressure
Sensor, temperature sensor.
Wherein, the connection of gas utilization unit 5 hydraulic pipeline, and the water delivery entrance of the gas utilization unit 5 is provided with flow sensor, pressure
Force snesor, temperature sensor.
Meanwhile, the embodiment of the present invention also proposed a kind of fused salt accumulation of heat using as described in preceding any one and thermal energy step profit
With the trapezoidal Application way of direct supply system, including:
After being heated using high temperature melting salt cellar to fused salt, steam generator is transported to, and the steam generator passes through
Heating generation steam is carried out to water using fused salt after hydraulic pipeline water delivery and gas utilization unit is transported to;
Then the fused salt by steam generator is transported to hot air heat exchanger, and after hot air heat exchanger is by air channel air intake
Heating, which is carried out, using fused salt produces hot blast;
Then low-temperature molten salt tank will be transported to by the fused salt of hot air heat exchanger.
The above-mentioned technical proposal of the present invention has the beneficial effect that:Above-mentioned technical scheme propose a kind of fused salt accumulation of heat and
Thermal energy step utilizes direct supply system, can enter the vaporization heat release of water-filling first by high-temperature molten salt, is then had surplus heat using going back band
Middle temperature molten salt wind is heated again, then just return to low-temperature molten salt tank.It can so increase operation rate, realize gradin
Utilize.
Brief description of the drawings
Fig. 1 is the system construction drawing that fused salt accumulation of heat and thermal energy step utilize direct supply system.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
As shown in Figure 1, the embodiment of the present invention proposes a kind of embodiment of the present invention and proposes a kind of fused salt accumulation of heat and heat
Energy cascade utilization direct supply system, including:High temperature melting salt cellar 1, low-temperature molten salt tank 2, hot air heat exchanger 3, steam generator 4, use vapour
Equipment 5, low-temperature molten salt pump 6, high-temperature melting salt pump 7, frequency conversion feed pump 8, steam trap 9, air-valve 10, motor-driven valve 11;It is wherein described to steam
Vapour generator 4 is provided with fused salt passage and aquaporin to carry out being thermally formed steam to water by high-temperature molten salt, wherein the steam
The fused salt passage connection high temperature melting salt cellar 1 of generator 4, high-temperature melting salt pump 7, cryogenic heat exchanger 3, the formation closure of low-temperature molten salt tank 2
Fused salt loop;The aquaporin connection frequency conversion feed pump 8 of wherein described steam generator 4, steam pump 9, the formation of gas utilization unit 5 are steamed
Vapour loop, the wherein water inlet of the aquaporin of steam generator 4 connect hydraulic pipeline, and steam generation by frequency conversion feed pump 8
The water that the outlet of the aquaporin of device 4 connects through the connection gas utilization unit 5 of steam pump 9 to input water inlet is by fused salt loop
High-temperature molten salt be heated into after vapor and be transported to gas utilization unit 5;Wherein cryogenic heat exchanger 3 includes fused salt loop and air channel, institute
State cryogenic heat exchanger 3 fused salt loop connection steam generator 4 fused salt loop with by by steam generator 4 fused salt again
Low-temperature molten salt pump 6 is transported to after carrying out heat exchange with the wind in air channel.Wherein, the air channel of the cryogenic heat exchanger 3 is provided with wind
Valve 10.Wherein, between the high temperature melting salt cellar 1, high-temperature melting salt pump 7, steam generator 4, hot water heat exchanger 3, low-temperature molten salt tank 2
Electric-heating belt 12 is designed with the pipeline of connection.Wherein, the outlet of the high temperature melting salt cellar 1 is passed provided with flow sensor, pressure
Sensor, temperature sensor;The fused salt feeder connection of the steam generator 4 and outlet are all respectively equipped with pressure sensor, temperature
Sensor;The outlet of the aquaporin of the steam generator 4 is provided with flow sensor, pressure sensor, temperature sensor;Low temperature
The entrance of fused salt tank 2 is provided with pressure sensor, temperature sensor.Wherein, the connection of gas utilization unit 5 hydraulic pipeline, and described use vapour
The water delivery entrance of equipment 5 is provided with flow sensor, pressure sensor, temperature sensor.
Meanwhile, the embodiment of the present invention also proposed a kind of utilization such as preceding fused salt accumulation of heat and thermal energy step and utilize direct supply system
Trapezoidal Application way, including:
After being heated using high temperature melting salt cellar to fused salt, steam generator is transported to, and the steam generator passes through
Heating generation steam is carried out to water using fused salt after hydraulic pipeline water delivery and gas utilization unit is transported to;
Then the fused salt by steam generator is transported to hot air heat exchanger, and after hot air heat exchanger is by air channel air intake
Heating, which is carried out, using fused salt produces hot blast;
Then low-temperature molten salt tank will be transported to by the fused salt of hot air heat exchanger.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of fused salt accumulation of heat and thermal energy step utilize direct supply system, it is characterised in that including:High temperature melting salt cellar, low-temperature molten salt
Tank, hot air heat exchanger, steam generator, gas utilization unit, low-temperature molten salt pump, high-temperature melting salt pump, frequency conversion feed pump, steam trap, wind
Valve, motor-driven valve;Wherein described steam generator is provided with fused salt passage and aquaporin to carry out heating shape to water by high-temperature molten salt
Into steam, wherein fused salt passage connection high temperature melting salt cellar, high-temperature melting salt pump, cryogenic heat exchanger, the low temperature of the steam generator
The fused salt loop of fused salt tank formation closure;The aquaporin of wherein described steam generator connects frequency conversion feed pump, steam pump, uses vapour
Equipment formation steam-return line, the wherein water inlet of the aquaporin of steam generator connect hydraulic pipeline by frequency conversion feed pump, and
The outlet of the aquaporin of steam generator connects through steam pump connection gas utilization unit and passes through fused salt with the water for inputting water inlet
High-temperature molten salt in loop, which is heated into after vapor, is transported to gas utilization unit;Wherein cryogenic heat exchanger includes fused salt loop and wind
Road, the cryogenic heat exchanger fused salt loop connection steam generator fused salt loop with by by steam generator fused salt again
The secondary wind with air channel is transported to low-temperature molten salt pump after carrying out heat exchange.
2. fused salt accumulation of heat according to claim 1 and thermal energy step utilize direct supply system, it is characterised in that the low temperature is changed
The air channel of hot device is provided with air-valve.
3. fused salt accumulation of heat according to claim 1 and thermal energy step utilize direct supply system, it is characterised in that the high temperature melting
Electric tracing is designed with the pipeline connected between salt cellar, high-temperature melting salt pump, steam generator, hot water heat exchanger, low-temperature molten salt tank
Band.
4. fused salt accumulation of heat according to claim 1 and thermal energy step utilize direct supply system, it is characterised in that the high temperature melting
The outlet of salt cellar is provided with flow sensor, pressure sensor, temperature sensor;The fused salt feeder connection of the steam generator and
Outlet is all respectively equipped with pressure sensor, temperature sensor;The outlet of the aquaporin of the steam generator is provided with flow sensing
Device, pressure sensor, temperature sensor;The entrance of low-temperature molten salt tank is provided with pressure sensor, temperature sensor.
5. fused salt accumulation of heat according to claim 1 and thermal energy step utilize direct supply system, it is characterised in that gas utilization unit connects
Hydraulic pipeline is connect, and the water delivery entrance of the gas utilization unit is provided with flow sensor, pressure sensor, temperature sensor.
6. a kind of fused salt accumulation of heat and thermal energy step using as described in claim any one of 1-5 is stored using the fused salt of direct supply system
Heat and thermal energy step utilize direct-furnish method, it is characterised in that including:
After being heated using high temperature melting salt cellar to fused salt, steam generator is transported to, and the steam generator passes through water delivery
Heating generation steam is carried out to water using fused salt after pipeline water delivery and gas utilization unit is transported to;
Then the fused salt by steam generator is transported to hot air heat exchanger, and hot air heat exchanger after the air intake of air channel by utilizing
Fused salt carries out heating and produces hot blast;
Then low-temperature molten salt tank will be transported to by the fused salt of hot air heat exchanger.
Priority Applications (1)
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CN201710322117.5A CN107191904A (en) | 2017-05-09 | 2017-05-09 | Fused salt accumulation of heat and thermal energy step utilize direct supply system and method |
Applications Claiming Priority (1)
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CN201710322117.5A CN107191904A (en) | 2017-05-09 | 2017-05-09 | Fused salt accumulation of heat and thermal energy step utilize direct supply system and method |
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CN201710322117.5A Pending CN107191904A (en) | 2017-05-09 | 2017-05-09 | Fused salt accumulation of heat and thermal energy step utilize direct supply system and method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112666215A (en) * | 2021-01-12 | 2021-04-16 | 河北科技大学 | Fused salt air heat exchange performance testing device |
CN113217979A (en) * | 2021-05-08 | 2021-08-06 | 中煤科工集团重庆研究院有限公司 | Multi-state coupling peak regulation intelligent control system for gas heat accumulation oxidation, electric auxiliary heat and molten salt heat accumulation |
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CN101876299A (en) * | 2010-05-24 | 2010-11-03 | 北京京仪仪器仪表研究总院有限公司 | Method and system for combing solar energy thermal power generation with biomass power generation |
CN103277272A (en) * | 2013-05-08 | 2013-09-04 | 哈尔滨工业大学 | Wind energy and groove-type solar all-in-one power generating system |
CN203928084U (en) * | 2014-06-13 | 2014-11-05 | 淮南中科储能科技有限公司 | A kind of natural gas and the complementary heat accumulation power generation and heat supply of trough-electricity system |
CN105222205A (en) * | 2015-10-30 | 2016-01-06 | 百吉瑞(天津)新能源有限公司 | A kind of step heating system of electric power heating molten salt energy-storage |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20100006255A1 (en) * | 2007-01-17 | 2010-01-14 | Bilodeau Stephane | Energy recuperation system |
CN101876299A (en) * | 2010-05-24 | 2010-11-03 | 北京京仪仪器仪表研究总院有限公司 | Method and system for combing solar energy thermal power generation with biomass power generation |
CN103277272A (en) * | 2013-05-08 | 2013-09-04 | 哈尔滨工业大学 | Wind energy and groove-type solar all-in-one power generating system |
CN203928084U (en) * | 2014-06-13 | 2014-11-05 | 淮南中科储能科技有限公司 | A kind of natural gas and the complementary heat accumulation power generation and heat supply of trough-electricity system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112666215A (en) * | 2021-01-12 | 2021-04-16 | 河北科技大学 | Fused salt air heat exchange performance testing device |
CN113217979A (en) * | 2021-05-08 | 2021-08-06 | 中煤科工集团重庆研究院有限公司 | Multi-state coupling peak regulation intelligent control system for gas heat accumulation oxidation, electric auxiliary heat and molten salt heat accumulation |
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Application publication date: 20170922 |
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