CN103822518B - High-temperature heat-storage heat exchanger in high-efficiency large capacity - Google Patents
High-temperature heat-storage heat exchanger in high-efficiency large capacity Download PDFInfo
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- CN103822518B CN103822518B CN201410069073.6A CN201410069073A CN103822518B CN 103822518 B CN103822518 B CN 103822518B CN 201410069073 A CN201410069073 A CN 201410069073A CN 103822518 B CN103822518 B CN 103822518B
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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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
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention discloses high-temperature heat-storage heat exchanger in a kind of high-efficiency large capacity, comprise: generating set, heat storage units, high-temperature expansion generator unit and air accumulator, and described heat storage units comprises the high temperature heat exchange heat storage units and low-temperature heat exchange heat storage units that are connected, the exhaust apparatus of described generating set is connected with described high temperature heat exchange heat storage units, described high temperature heat exchange heat storage units is connected with described high-temperature expansion generator unit again, and described low-temperature heat exchange heat storage units is connected with the described air accumulator transmitting heat-storage medium again.By the way, the present invention can make full use of waste heat, reduces energy consumption, reaches Large Copacity heat accumulation, efficiently fills exothermic heat, make heat accumulation, heat release process more effective and reasonable.
Description
Technical field
The present invention relates to field of heat exchange, particularly relate to high-temperature heat-storage heat exchanger in a kind of high-efficiency large capacity.
Background technology
Solar heat and most of industrial waste heat resource have interval and unstable feature usually, by heat accumulation as bridge, then can solve both sides of supply and demand unmatched contradiction in time, place, intensity, thus advanced heat-storage technology is the key of the extensive efficiency utilization of this two discontinuous thermal resource of large class.Large Copacity heat storage exchanger is Core equipment corresponding to advanced heat-storage technology.In recent years, in order to improve energy conversion efficiency and reduce costs, solar energy utilization technique is just towards more elevated operating temperature development, the operating temperature of the fuse salt thermal power station of commercialized running, more than 560 ° of C, is that the solar energy thermal-power-generating station operating temperature of heat-transfer fluid is more than 680 ° of C with air; And the EGT that a large amount of industrial process produces also very high (if converter gas temperature is 1600 ° of about C), the heat storage exchanger towards middle high-temperature hot resource application has broad application prospects, and current is the focus researched and developed both at home and abroad.
The main trend of current middle high-temperature heat-storage heat exchanger storage heat release process intensification research is: the mechanism of action of probing into multiple dimensioned interface resistance, establishes regulate and control method and the technology of low interface resistance.Efficiently fill exothermic heat for target with Large Copacity heat storage units, by optimization and the modularized design of heat storage exchanger structure, realize dynamically filling the optimum of heat and exothermicity.
And for heat storage exchanger, China Patent No. is the patent of 201220155966.9, it discloses and a kind of there is higher heat storage capacity, efficiently can store the phase-change heat accumulation system of the heat that thermal source as various in solar thermal collector, boiler, wooden stove, heat pump, industrial waste heat etc. produces, illustrate the designing technique of the heat storage exchanger of making every effort to efficient general, but be still short of effective measures in augmentation of heat transfer.
In recent years, more and more pay attention to the efficiency utilization of solar energy and industrial exhaust heat both at home and abroad, heat storage exchanger technology improves constantly, but in heat storage exchanger structural design, still shortcoming effective storage heat release process intensification measure.
Summary of the invention
The technical problem that the present invention mainly solves is: for the deficiencies in the prior art, high-temperature heat-storage heat exchanger in a kind of high-efficiency large capacity is provided, can waste heat be made full use of, reduce energy consumption, reach Large Copacity heat accumulation, efficiently fill exothermic heat, make heat accumulation, heat release process more effective and reasonable.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide high-temperature heat-storage heat exchanger in a kind of high-efficiency large capacity, comprise: generating set, heat storage units, high-temperature expansion generator unit and air accumulator, and described heat storage units comprises the high temperature heat exchange heat storage units and low-temperature heat exchange heat storage units that are connected, the exhaust apparatus of described generating set is connected with described high temperature heat exchange heat storage units, described high temperature heat exchange heat storage units is connected with described high-temperature expansion generator unit again, described low-temperature heat exchange heat storage units is connected with the described air accumulator transmitting heat-storage medium again.
In a preferred embodiment of the present invention, in described high-efficiency large capacity, high-temperature heat-storage heat exchanger also comprises the drying machine be connected with described air accumulator and the compressor be connected with described drying machine.
In a preferred embodiment of the present invention, in described high-efficiency large capacity, high-temperature heat-storage heat exchanger also comprises the generator cooling-water case be connected with described generating set and the heat storage water tank be connected with described generator cooling-water case.
In a preferred embodiment of the present invention, described generating set is diesel generating set.
In a preferred embodiment of the present invention, described heat-storage medium is gas.
In a preferred embodiment of the present invention, in described high temperature heat exchange heat storage units, at least comprise a heat storage exchanger.
In a preferred embodiment of the present invention, in described low-temperature heat exchange heat storage units, at least comprise a heat storage exchanger.
In a preferred embodiment of the present invention, in described heat storage exchanger, be filled with heat accumulating, described heat accumulating with inorganic salts, alloy for high temperature thermal energy storage material in phase-change material.
The invention has the beneficial effects as follows: the present invention is towards the high performance solar generating and the metallurgical process UTILIZATION OF VESIDUAL HEAT IN that take gas as heat transfer medium, by modular system, reach and make full use of waste heat, Large Copacity heat accumulation, efficiently fill the effect of exothermic heat, make heat accumulation, heat release process more effective and reasonable, reduce energy consumption.
Accompanying drawing explanation
Fig. 1 is the flow chart of high-temperature heat-storage heat exchanger in a kind of high-efficiency large capacity of the present invention;
In accompanying drawing, the mark of each parts is as follows: 1, generating set, and 2, high temperature heat exchange heat storage units, 3, high-temperature expansion generator unit, 4, low-temperature heat exchange heat storage units, 5, air accumulator, 6, drying machine, 7, compressor, 8, generator cooling-water case, 9, heat storage water tank, 10, heat-storage medium, 11, waste gas.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
High-temperature heat-storage heat exchanger in a kind of high-efficiency large capacity, comprise: generating set 1, the generator cooling-water case 8 be connected with described generating set 1, the heat storage water tank 9, heat storage units, high-temperature expansion generator unit 3, the air accumulator 5 that are connected with described generator cooling-water case 8, the drying machine 6 be connected with described air accumulator 5, the compressor 7 be connected with described drying machine 6, and described heat storage units comprises the high temperature heat exchange heat storage units 2 and low-temperature heat exchange heat storage units 4 that are connected, wherein:
The exhaust apparatus of described generating set 1 is connected with described high temperature heat exchange heat storage units 2, waste gas 11 is expelled to described high temperature heat exchange heat storage units 2 by the exhaust apparatus of described generating set 1, by described high temperature heat exchange heat storage units 2, waste gas 11 is delivered to described low-temperature heat exchange heat storage units 4 again, after described low-temperature heat exchange heat storage units 4 lowers the temperature process, waste gas 11 is expelled in air;
Described high temperature heat exchange heat storage units 2 is connected with described high-temperature expansion generator unit 3 again, described low-temperature heat exchange heat storage units 4 is connected with the described air accumulator 5 transmitting heat-storage medium 10 again, wherein, described heat-storage medium 10 is gas, a heat storage exchanger is at least comprised in described high temperature heat exchange heat storage units 2, similarly, a heat storage exchanger is also at least comprised in described low-temperature heat exchange heat storage units 4, for the transmission of heat-storage medium 10;
Low-pressure gas is promoted to gases at high pressure by described compressor 7, enter in air accumulator 5 after the drying of described gases at high pressure drying machine 6, described air accumulator 5 is by heat-storage medium 10(gases at high pressure) be delivered to described low-temperature heat exchange heat storage units 4, by the heat storage exchanger in described low-temperature heat exchange heat storage units 4 by heat-storage medium 10(gases at high pressure) be delivered in described high temperature heat exchange heat storage units 2, described high temperature heat exchange heat storage units 2 is by heat-storage medium 10(gases at high pressure) be heated into high temperature and high pressure gas after, be sent in described high-temperature expansion generator unit 3, by the cogeneration of described high-temperature expansion generator unit 3 slow releasing to user,
Described generating set 1 is diesel generating set, for generating electricity to user; Described generator cooling-water case 8 is for cooling diesel generating set, make the temperature that diesel generating set keeps certain, and absorb the heat of release when described diesel generating set runs, for in described heat storage water tank 9, described heat storage water tank 9 is for providing spendable hot water (for having a bath) to user.
Heat storage exchanger in described high temperature heat exchange heat storage units 2 and described low-temperature heat exchange heat storage units 4 is all filled with heat accumulating, described heat accumulating is with inorganic salts, alloy for high temperature thermal energy storage material in phase-change material, and its storage density under 200 ° of C temperature difference conditions is more than 600 kJ/kg (being 450 kJ/kg now); Thermal conductivity factor reaches 4 W/ (mK) (present 2 W/ (mK)); The operating temperature of described heat accumulating is higher than 800 ° of C; The not obvious decay of performance after thermal cycle 7500 times, the heat loss of unit thermal cycle is no more than 10%.
By compressor 7, low-pressure gas is promoted to gases at high pressure, then enters in air accumulator 5 after gases at high pressure being carried out drying by drying machine 6, by air accumulator 5, high pressure gas storage is stored away, for use during energy deficiency.During use, gases at high pressure in air accumulator 5 are delivered to low-temperature heat exchange heat storage units 4, by the heat storage exchanger in low-temperature heat exchange heat storage units 4, gases at high pressure are being delivered in high temperature heat exchange heat storage units 2, after high temperature heat exchange heat storage units 2 converts gases at high pressure to high temperature and high pressure gas, be sent in high-temperature expansion generator unit 3, again by the cogeneration of high-temperature expansion generator unit 3 slow releasing to user, can save fuel, reduce energy consumption.Meanwhile, also can make full use of waste heat, heat to domestic water, improve energy storage and release efficiency.
High-temperature heat-storage heat exchanger in high-efficiency large capacity of the present invention, heat storage exchanger wherein can meet the thermal source simulation of 200 ° of C-1000 ° of C, be applicable to the middle temperature-heat-source that temperature is 100 ° of C-600 DEG C, with the high temperature heat source that temperature is greater than 600 DEG C, be mainly applicable to the middle high temperature heat source of three quasi-representatives: 300 DEG C, 500 DEG C, 800 DEG C.
Present invention is disclosed high-temperature heat-storage heat exchanger in a kind of high-efficiency large capacity, towards the high performance solar generating and the metallurgical process UTILIZATION OF VESIDUAL HEAT IN that take gas as heat transfer medium, by modular system, reach and make full use of waste heat, Large Copacity heat accumulation, efficiently fill the effect of exothermic heat, make heat accumulation, heat release process more effective and reasonable, reduce energy consumption.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. high-temperature heat-storage heat exchanger in a high-efficiency large capacity, it is characterized in that, comprise: generating set, heat storage units, high-temperature expansion generator unit and air accumulator, and described heat storage units comprises the high temperature heat exchange heat storage units and low-temperature heat exchange heat storage units that are connected, the exhaust apparatus of described generating set is connected with described high temperature heat exchange heat storage units, described high temperature heat exchange heat storage units is connected with described high-temperature expansion generator unit again, and described low-temperature heat exchange heat storage units is connected with the described air accumulator transmitting heat-storage medium again.
2. according to high-temperature heat-storage heat exchanger in the high-efficiency large capacity described in claim 1, it is characterized in that, in described high-efficiency large capacity, high-temperature heat-storage heat exchanger also comprises the drying machine be connected with described air accumulator and the compressor be connected with described drying machine.
3. according to high-temperature heat-storage heat exchanger in the high-efficiency large capacity described in claim 1, it is characterized in that, in described high-efficiency large capacity, high-temperature heat-storage heat exchanger also comprises the generator cooling-water case be connected with described generating set and the heat storage water tank be connected with described generator cooling-water case.
4., according to high-temperature heat-storage heat exchanger in the arbitrary described high-efficiency large capacity of claim 1-3, it is characterized in that, described generating set is diesel generating set.
5. according to high-temperature heat-storage heat exchanger in the high-efficiency large capacity described in claim 1, it is characterized in that, described heat-storage medium is gas.
6. according to high-temperature heat-storage heat exchanger in the high-efficiency large capacity described in claim 1, it is characterized in that, in described high temperature heat exchange heat storage units, at least comprise a heat storage exchanger.
7. according to high-temperature heat-storage heat exchanger in the high-efficiency large capacity described in claim 1, it is characterized in that, in described low-temperature heat exchange heat storage units, at least comprise a heat storage exchanger.
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| CN201410069073.6A CN103822518B (en) | 2014-02-28 | 2014-02-28 | High-temperature heat-storage heat exchanger in high-efficiency large capacity |
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| CN103822518B true CN103822518B (en) | 2015-10-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645679A (en) * | 2009-08-13 | 2010-02-10 | 哈尔滨工程大学 | Power generation device of alkali metal thermoelectric direct converter taking residual heat of diesel engine as heat source |
| CN202599180U (en) * | 2012-04-13 | 2012-12-12 | 极地熊（上海）储能技术有限公司 | Phase-change heat storage system |
| CN203744787U (en) * | 2014-02-28 | 2014-07-30 | 常熟喷嘴厂有限公司 | Efficient high-capacity medium-high temperature heat storage heat exchanger |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60162038A (en) * | 1984-01-31 | 1985-08-23 | Kawasaki Heavy Ind Ltd | Drained hot water supply equipment of waste heat recovery power generating plant |
| CN1333159C (en) * | 2001-12-03 | 2007-08-22 | 东京电力株式会社 | Exhaust heat recovery system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645679A (en) * | 2009-08-13 | 2010-02-10 | 哈尔滨工程大学 | Power generation device of alkali metal thermoelectric direct converter taking residual heat of diesel engine as heat source |
| CN202599180U (en) * | 2012-04-13 | 2012-12-12 | 极地熊（上海）储能技术有限公司 | Phase-change heat storage system |
| CN203744787U (en) * | 2014-02-28 | 2014-07-30 | 常熟喷嘴厂有限公司 | Efficient high-capacity medium-high temperature heat storage heat exchanger |
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Denomination of invention: High efficiency and large capacity medium high temperature heat storage exchanger Effective date of registration: 20221114 Granted publication date: 20151028 Pledgee: Jiangsu Changshu Rural Commercial Bank Co.,Ltd. Fushan sub branch Pledgor: CHANGSHU BURNER FACTORY Co.,Ltd. Registration number: Y2022320010671 |