CN104266356A - Molten salt heat transfer and storage trough electricity hot water boiler and hot water preparation method - Google Patents
Molten salt heat transfer and storage trough electricity hot water boiler and hot water preparation method Download PDFInfo
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- CN104266356A CN104266356A CN201410461925.6A CN201410461925A CN104266356A CN 104266356 A CN104266356 A CN 104266356A CN 201410461925 A CN201410461925 A CN 201410461925A CN 104266356 A CN104266356 A CN 104266356A
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- heat transfer
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- transfer medium
- molten salt
- hot water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention relates to a molten salt heat transfer and storage trough electricity hot water boiler and a hot water preparation method. The boiler comprises an electric heating energy storage device, a heat exchanger, a low-temperature molten salt tank and a heat transfer medium pipe. The electric heating energy storage device comprises an electric heating element started in a trough electricity period and a high-temperature molten salt tank. The heat transfer medium pipe is communicated with the high-temperature molten salt tank, the heat exchanger and the low-temperature molten salt tank and a heat transfer medium can flow and circulate in the heat transfer medium pipe. The heat transfer medium and a heat storage material in the high-temperature molten salt tank are molten salt. On one hand, the molten salt heat transfer and storage trough electricity hot water boiler utilizes inexpensive trough electricity at night for heating to be used at crest time, thereby being good in economic benefits, energy-saving and environmentally friendly, on the other hand, the boiler uses quartz sand composite molten salt for heat storage and transfer, so that the use temperature is high, the energy storage efficiency is high, no heat is wasted, and the stored heat can ensure the continuous use of heat provided by trough electricity in a trough electricity cycle within 24 hours for heating and producing superheated steam.
Description
Technical field
The present invention relates to electric hot water field, be specifically related to a kind of utilize paddy electricity and can energy storage electric hot water and prepare the method for hot water.
Background technology
Boilers heated electrically is due to easy to use, simple to operate, and Energy transfer by the restriction in time place, is not widely used in daily life and industrial circle.But existing boilers heated electrically can only in use between heating, and its in daily life common service time peak electricity the period, cause energy cost higher.Therefore how to make the energy cost of boilers heated electrically reduce, there is higher economy to ensure that practicality is the primary study direction of present stage.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of paddy electric hot water of Molten Salt Heat Transfer heat accumulation and preparing the method for hot water, there is the advantages such as energy storage efficiency is high, good in economic efficiency, energy-conserving and environment-protective.
A paddy electric hot water for Molten Salt Heat Transfer heat accumulation, is characterized in that comprising electric heating energy-storage device, heat exchanger, low-temperature molten salt tank and heat transfer medium pipeline;
Described electric heating energy-storage device comprises heating and high temperature melting salt cellar, and described heating was opened in the paddy electricity period;
The direction that described heat transfer medium pipeline communication high temperature melting salt cellar, heat exchanger, low-temperature molten salt tank and heat transfer medium can arrive high temperature melting salt cellar according to high temperature melting salt cellar, heat exchanger, low-temperature molten salt tank wherein again circulates;
Heat-retaining mass in described heat transfer medium and high temperature melting salt cellar is fused salt;
Described heat exchanger comprises water inlet and delivery port.
Preferred described heating adopts electric tracing, and described electric tracing is wound in outside described high temperature melting salt cellar.
Preferred described heat transfer medium is flowed in heat transfer medium pipeline by circulating pump.
The water inlet of preferred described heat exchanger is communicated with water treatment facilities.
Preferred described fused salt is quartz sand composite fused salt.
Prepare a method for hot water, it is characterized in that adopting the paddy electric hot water of following Molten Salt Heat Transfer heat accumulation heat water and export:
Comprise electric heating energy-storage device, heat exchanger, low-temperature molten salt tank and heat transfer medium pipeline;
Described electric heating energy-storage device comprises heating and high temperature melting salt cellar, and described heating was opened in the paddy electricity period;
The direction that described heat transfer medium pipeline communication high temperature melting salt cellar, heat exchanger, low-temperature molten salt tank and heat transfer medium can arrive high temperature melting salt cellar according to high temperature melting salt cellar, heat exchanger, low-temperature molten salt tank wherein again circulates;
Heat-retaining mass in described heat transfer medium and high temperature melting salt cellar is fused salt;
Described heat exchanger comprises water inlet and delivery port;
Said method comprising the steps of: in the paddy electricity period, by heating heating high temperature melting salt cellar, part heat heats heat transfer medium fused salt and heat transfer medium fused salt enters heat exchanger for heating generation hot water by heat transfer medium pipeline, and another part heat is absorbed storage by the fused salt that high-temperature molten salt tank storage is deposited; Heat transfer medium after release heat flows in described low-temperature molten salt tank; After the paddy electricity period, disconnect heating, the heat stored by electric heating energy-storage device can be used to heat heat transfer medium, and heat transfer medium enters heat exchanger and produces hot water.
Preferred described heating adopts electric tracing, and described electric tracing is wound in outside described electric heating energy-storage device.
Preferred described heat transfer medium is flowed in heat transfer medium pipeline by circulating pump.
The water inlet of preferred described heat exchanger is communicated with water treatment facilities.
Preferred described fused salt is quartz sand composite fused salt.
The technology of the present invention effect:
The present invention can in the paddy electricity period, by heating heating electric heating energy-storage device, preferred employing electric tracing heating fused salt, part heat heats heat transfer medium fused salt and heat transfer medium fused salt enters heat exchanger for heating generation hot water by heat transfer pipe, and another part heat is absorbed storage by heat accumulation fused salt.Heat transfer medium after release heat energy can enter low-temperature molten salt tank storage and deposits, and under the power of circulating pump, gets back to electric heating energy-storage device start next circulation.After the paddy electricity period has crossed, disconnect heating, the heat stored by energy storage device can be used to heat heat transfer medium, is entered heat exchanger produce hot water by the heat transfer medium that energy storage molten salt heats.
Described energy-accumulating medium and heat transfer medium preferably adopt quartz sand composite fused salt, in special the present invention, the preferred quartz sand composite fused salt of institute is selected from quartz sand composite fused salt described in number of patent application 201310732738.2,201310040070.5 and 201310040909.5.Its serviceability temperature is high, and efficiency is high, and cost is low.
Described low-temperature molten salt tank can buffer system pressure oscillation while storage heat transfer medium fused salt, play the effect of voltage stabilizing off-load, when in system, heat transfer medium fused salt slightly changes, the pressure stability of system can be ensured, pump can not be opened frequently because of the change of pressure, improve the security of system and the service life of equipment.
Described preheater water inlet is connected with water treatment facilities, can carry out the operation such as deoxygenation, desalination, ensures feed water quality, makes the pipeline of boiler flow passage component and heat-exchange system and equipment from corrosion, increases the service life.
One aspect of the present invention make use of cheap paddy electrical heating and uses in the peak electricity time, good in economic efficiency, energy-conserving and environment-protective, fused salt heat accumulation is utilized to conduct heat on the other hand, fused salt serviceability temperature is high, energy storage efficiency is high, and heat accumulation ensures that the heating load heating that in the paddy electricity cycle in 24 hours, sustainable utilization paddy electricity provides produces hot water.
Accompanying drawing explanation
Fig. 1 is the paddy electric hot water structural representation of Molten Salt Heat Transfer heat accumulation of the present invention.
In figure, each label lists as follows:
1-electric tracing; 2-high temperature melting salt cellar; 3-low-temperature molten salt tank; 4-heat exchanger; 5-water inlet; 6-delivery port; 7-heat transfer medium pipeline; 8-circulating pump; 9-water treatment facilities.
Detailed description of the invention
In order to better explain the present invention, below in conjunction with embodiment, the present invention is further explained.
The paddy electric hot water of the Molten Salt Heat Transfer heat accumulation of the present embodiment, comprises electric heating energy-storage device, heat exchanger 4, low-temperature molten salt tank 3 and heat transfer medium pipeline 7.Described electric heating energy-storage device is the high temperature melting salt cellar 2 that outside is wound with electric tracing 1.Inner and the heat transfer medium pipeline 7 of high temperature melting salt cellar 2 and low-temperature molten salt tank 3 built with the quartz sand composite fused salt described in being selected from number of patent application 201310732738.2,201310040070.5 or 201310040909.5 respectively as heat-retaining mass and heat transfer medium; Described heat exchanger 4 comprises water inlet 5 and delivery port 6; Described heat transfer medium pipeline 7 is communicated with high temperature melting salt cellar 2, heat exchanger 4 and low-temperature molten salt tank 3, by the circulating pump 8 that is arranged on heat transfer medium pipeline 7 high temperature melting salt cellar 2, between low-temperature molten salt tank 3 and heat exchanger 4 along direction of arrow flowing in Fig. 1.Water inlet 5 is connected with water treatment facilities 9, can carry out the operation such as deoxygenation, desalination.
The present embodiment is in the paddy electricity period, and heat high temperature melting salt cellar 2 by electric tracing 1, a part of heat enters heat exchanger 4 for heating generation hot water with heat transfer medium fused salt by heat transfer pipe 7, and another part heat is absorbed storage by energy storage molten salt.Fused salt after exchange heat can enter low-temperature molten salt tank 3 and store further, and gets back to electric heating energy-storage device under the power of circulating pump.After the paddy electricity period has crossed, disconnect electric tracing 1, the heat stored by energy storage device can be used to heat heat transfer medium, and heat transfer medium enters heat exchanger 4 can be continued to produce hot water.
The present embodiment make use of cheap paddy electrical heating on the one hand and uses in the peak electricity time, thus realize effect that is good in economic efficiency, energy-conserving and environment-protective, quartz sand composite fused salt heat accumulation is utilized to conduct heat on the other hand, serviceability temperature is high, energy storage efficiency is high, heat is not wasted, and heat accumulation ensures that the heating load heating that in the paddy electricity cycle in 24 hours, sustainable utilization paddy electricity provides produces hot water.
The above detailed description of the invention can make the present invention of those skilled in the art's comprehend; but do not limit the present invention in any way claimed scope; all do not depart from technical scheme and the improvement thereof of the spirit and scope of this patent; such as other Electric heating; the valve etc. of the various adjustment flow of transmission medium install pipeline; etc. condition, as long as spirit according to the invention, it is all encompassed in the middle of the protection domain of this patent.
Claims (10)
1. a paddy electric hot water for Molten Salt Heat Transfer heat accumulation, is characterized in that comprising electric heating energy-storage device, heat exchanger, low-temperature molten salt tank and heat transfer medium pipeline;
Described electric heating energy-storage device comprises heating and high temperature melting salt cellar, and described heating was opened in the paddy electricity period;
The direction that described heat transfer medium pipeline communication high temperature melting salt cellar, heat exchanger, low-temperature molten salt tank and heat transfer medium can arrive high temperature melting salt cellar according to high temperature melting salt cellar, heat exchanger, low-temperature molten salt tank wherein again circulates;
Heat-retaining mass in described heat transfer medium and high temperature melting salt cellar is fused salt;
Described heat exchanger comprises water inlet and delivery port.
2. boiler according to claim 1, it is characterized in that described heating adopts electric tracing, described electric tracing is wound in outside described high temperature melting salt cellar.
3. boiler according to claim 1, is characterized in that described heat transfer medium is flowed in heat transfer medium pipeline by circulating pump.
4. boiler according to claim 1, is characterized in that the water inlet of described heat exchanger is communicated with water treatment facilities.
5., according to the arbitrary described boiler of claim 1-4, it is characterized in that described fused salt is quartz sand composite fused salt.
6. prepare a method for hot water, it is characterized in that adopting the paddy electric hot water of following Molten Salt Heat Transfer heat accumulation heat water and export:
Comprise electric heating energy-storage device, heat exchanger, low-temperature molten salt tank and heat transfer medium pipeline;
Described electric heating energy-storage device comprises heating and high temperature melting salt cellar, and described heating was opened in the paddy electricity period;
The direction that described heat transfer medium pipeline communication high temperature melting salt cellar, heat exchanger, low-temperature molten salt tank and heat transfer medium can arrive high temperature melting salt cellar according to high temperature melting salt cellar, heat exchanger, low-temperature molten salt tank wherein again circulates;
Heat-retaining mass in described heat transfer medium and high temperature melting salt cellar is fused salt;
Described heat exchanger comprises water inlet and delivery port;
Said method comprising the steps of: in the paddy electricity period, by heating heating high temperature melting salt cellar, part heat heats heat transfer medium fused salt and heat transfer medium fused salt enters heat exchanger for heating generation hot water by heat transfer medium pipeline, and another part heat is absorbed storage by the fused salt that high-temperature molten salt tank storage is deposited; Heat transfer medium after release heat flows in described low-temperature molten salt tank; After the paddy electricity period, disconnect heating, the heat stored by electric heating energy-storage device can be used to heat heat transfer medium, and heat transfer medium enters heat exchanger and produces hot water.
7. method according to claim 6, it is characterized in that described heating adopts electric tracing, described electric tracing is wound in outside described electric heating energy-storage device.
8. method according to claim 6, is characterized in that described heat transfer medium is flowed in heat transfer medium pipeline by circulating pump.
9. method according to claim 6, is characterized in that the water inlet of described heat exchanger is communicated with water treatment facilities.
10., according to the arbitrary described method of claim 6-9, it is characterized in that described fused salt is quartz sand composite fused salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410461925.6A CN104266356A (en) | 2014-05-23 | 2014-09-12 | Molten salt heat transfer and storage trough electricity hot water boiler and hot water preparation method |
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| CN201410218392.9 | 2014-05-23 | ||
| CN201410218392 | 2014-05-23 | ||
| CN201410461925.6A CN104266356A (en) | 2014-05-23 | 2014-09-12 | Molten salt heat transfer and storage trough electricity hot water boiler and hot water preparation method |
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| CN104266356A true CN104266356A (en) | 2015-01-07 |
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| CN201410461502.4A Pending CN104266173A (en) | 2014-05-23 | 2014-09-12 | Molten salt heat transfer and storage trough electricity superheated steam boiler and superheated steam preparation method |
| CN201410462771.2A Active CN104279545B (en) | 2014-05-23 | 2014-09-12 | A kind of paddy electricity steam boiler of Molten Salt Heat Transfer heat accumulation and its method for preparing steam |
| CN201420522848.6U Active CN204187603U (en) | 2014-05-23 | 2014-09-12 | A kind of paddy electricity superheated steam boiler of Molten Salt Heat Transfer heat accumulation |
| CN201410461925.6A Pending CN104266356A (en) | 2014-05-23 | 2014-09-12 | Molten salt heat transfer and storage trough electricity hot water boiler and hot water preparation method |
| CN201420525738.5U Active CN204187831U (en) | 2014-05-23 | 2014-09-12 | A kind of paddy electric hot water of Molten Salt Heat Transfer heat accumulation |
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| CN201410461502.4A Pending CN104266173A (en) | 2014-05-23 | 2014-09-12 | Molten salt heat transfer and storage trough electricity superheated steam boiler and superheated steam preparation method |
| CN201410462771.2A Active CN104279545B (en) | 2014-05-23 | 2014-09-12 | A kind of paddy electricity steam boiler of Molten Salt Heat Transfer heat accumulation and its method for preparing steam |
| CN201420522848.6U Active CN204187603U (en) | 2014-05-23 | 2014-09-12 | A kind of paddy electricity superheated steam boiler of Molten Salt Heat Transfer heat accumulation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111172367A (en) * | 2020-03-20 | 2020-05-19 | 洛阳Lyc轴承有限公司 | Salt bath heat preservation and energy saving method for railway bearing salt quenching line |
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| CN104266173A (en) * | 2014-05-23 | 2015-01-07 | 深圳市爱能森设备技术有限公司 | Molten salt heat transfer and storage trough electricity superheated steam boiler and superheated steam preparation method |
| CN107764119B (en) * | 2017-11-22 | 2024-04-05 | 江苏中科智储科技有限公司 | Heat storage device for heat exchange by contact between gas and molten salt |
| CN108377852A (en) * | 2018-05-03 | 2018-08-10 | 湖北裕山菌业有限公司 | A kind of heat accumulating type edible fungus stick disinfection system |
| CN109631644A (en) * | 2018-12-03 | 2019-04-16 | 北京工业大学 | Runner preheating device between a kind of energy-saving narrow deep space under suitable adverse circumstances |
| CN113237043A (en) * | 2021-05-18 | 2021-08-10 | 中煤科工集团重庆研究院有限公司 | Device for transforming thermal power station by utilizing fused salt energy storage |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104279545B (en) | 2017-09-12 |
| CN104266173A (en) | 2015-01-07 |
| CN104279545A (en) | 2015-01-14 |
| CN204187831U (en) | 2015-03-04 |
| CN204187603U (en) | 2015-03-04 |
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Application publication date: 20150107 |