CN103994683A - High-temperature smoke waste heat recycling and storing device and method - Google Patents
High-temperature smoke waste heat recycling and storing device and method Download PDFInfo
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- CN103994683A CN103994683A CN201410215721.4A CN201410215721A CN103994683A CN 103994683 A CN103994683 A CN 103994683A CN 201410215721 A CN201410215721 A CN 201410215721A CN 103994683 A CN103994683 A CN 103994683A
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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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Abstract
The invention provides a high-temperature smoke waste heat recycling and storing device and method. The device comprises a heat storage chamber box body and a heat storage chamber top cover. A smoke inlet, a smoke outlet, a heat transfer fluid outlet and a heat transfer fluid inlet are formed in the heat storage chamber box body. A plurality of supporting structure frames are evenly distributed in the heat storage chamber box body and fixedly connected with the bottom of the heat storage chamber box body. A smoke passing coil pipe and a heat exchange coil pipe which are arranged in a staggered and spaced mode and are of the same specification are arranged on the supporting structure frames. The inner space of the heat storage chamber box body is filled with phase-change heat storage materials. High-temperature smoke enters the heat storage chamber box body and exchanges heat with heat transfer fluid; meanwhile, the phase-change heat storage materials store heat in the form of phase-change latent heat, exchange heat with the heat transfer fluid, are crystallized into solid after being cooled and send out the phase-change latent heat. The high-temperature smoke waste heat recycling and storing device integrates heat transfer and heat storage, and is simple in structure, safe, feasible and high in heat exchange efficiency.
Description
Technical field
The invention belongs to the technical field of high-temperature flue gas heat recovery, relate in particular to a kind of high-temperature flue gas heat recovery and storage device and method.
Background technology
The gas turbine using during current most of enterprise manufactures will give off a large amount of high-temperature flue gas in burning, not only allows a large amount of heats be wasted in vain, also the environment of depending on for existence has been caused to day by day serious destruction.In the face of problems such as environmental pollution, resource and energy shortages, must seek new energy development and the measure of energy-saving and emission-reduction, just likely improve efficiency of energy utilization, break through the bottleneck of economic growth.In the object of all energy-saving and emission-reduction, the effect that highly energy-consuming industry produces is the most obvious.The waste heat technology application of distributed function system is the means that effectively realize energy-saving and emission-reduction, builds the active accumulating type distributed energy resource system application principle model based on fused salt accumulation of energy on former basis, designs efficient fused salt accumulator and oil water heat exchange device.Phase-change heat-storage material is fuse salt phase-change material (solid-liquid phase change type).During charging process, fused salt melts need to absorb a large amount of heats, thereby the heat that the high-temperature flue gas passing through can be provided effectively stores; During exothermic process, phase-change material solidifies release heat to heat transfer medium.This high-temperature flue gas utilizes regenerative apparatus to compare with common heat transmission equipment, its outstanding feature is when heat transfer unit (HTU) is arranged fluid line, also at it, place fuse salt phase-change heat-storage material around, utilize that its energy storage density is high, latent heat of phase change is large, degree of supercooling is little, Heat stability is good, low cost and other advantages, realize the maximization of high-temperature flue gas UTILIZATION OF VESIDUAL HEAT IN efficiency.
At present, the patent of high-temperature flue gas UTILIZATION OF VESIDUAL HEAT IN is existing a lot.Patent < < spiral heat exchanger > > (CN1388339A) utilizes the hot charging that changes the outfit of incense coil type to put, expand the current distance of flue gas, realize boiler or the heat exchange of stove waste heat; The device > > (CN203116073U) of a patent < < high efficiente callback fume afterheat heating boiler combustion air repacks casing into upper and lower two parts, top is divided into heat exchange watertight aircase, bottom is divided into high-temperature flue gas respiratory box, utilizes the emptying high-temperature flue gas residual heat resources of boiler to heat boiler auxiliary combustion air; Patent < < utilizes the heat sink > > (CN203116054U) of flue gas heat exchange by the utilization of two-stage heat exchanger, convert high-temperature flue gas to low-temperature flue gas, reduce the specific thermal resistance of dust in flue gas, improved the efficiency of dust collection of deduster; Patent < < high temperature flue-gas from boiler heat-energy recovering apparatus > > (CN202581383U) utilizes tower evenly distributed heat exchange transverse tube, allow flue gas is dry to be entered to do, and atomizing water spraying device is set realizes hot transformation of energy.Existing these devices are that the heat of high-temperature flue gas is directly conducted and utilized by intermediate medium substantially, when high-temperature flue gas passes through in a large number and continually, utilize these waste heats can realize resource reutilization.But there is certain defect in these devices, when high-temperature flue gas interruption or supply deficiency, providing also of heat will be interrupted, if in advance the waste heat of high-temperature flue gas is stored, when needing, discharged again, the heat transfer accumulation of heat that just can realize high-temperature flue gas waste heat is integrated, improves heat utilization rate, better realizes the theory of energy-saving and emission-reduction, resource reutilization.
Summary of the invention
Technical problem to be solved by this invention is the problem for above-mentioned existence, and a kind of high-temperature flue gas heat recovery and storage device and method are provided.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of high-temperature flue gas heat recovery and storage device, comprise heat accumulation chamber body, described heat accumulation chamber body top connects heat accumulation chamber top cover, on heat accumulation chamber body, be respectively equipped with smoke inlet, exhanst gas outlet, heat-transfer fluid outlet and heat-transfer fluid entrance, in heat accumulation chamber body, be uniformly distributed several supporting construction framves, be fixedly connected with heat accumulation chamber bottom half, interlaced logical flue gas coil pipe and the heat exchange coil that specification is identical that be fixed with that has space on described supporting construction frame, the two-port of logical flue gas coil pipe is fixedly connected with exhanst gas outlet with smoke inlet respectively, the two-port of heat exchange coil is fixedly connected with heat-transfer fluid entrance with heat-transfer fluid outlet respectively, heat accumulation chamber body internal voids is filled with phase-change heat-storage material.
Press such scheme, the coated one layer of heat preservation material of described heat accumulation chamber external surface, forms the heat-insulation layer sealing.
Press such scheme, be provided with successively from top to bottom several through holes on described supporting construction frame, logical flue gas coil pipe and heat exchange coil interval arrange in the shape of a spiral through through hole, and two coil pipes all coil a few.
Press such scheme, on described supporting construction frame, the inside and outside both sides of relatively logical flue gas coil pipe and heat exchange coil are parallel is provided with severally to fin, every a through hole, a pair of fin is set, and every pair of fin is in the same plane.
Press such scheme, described insulation material is multi-layer high-temperature ore deposit cellucotton.
Press such scheme, described heat accumulation chamber body is cylindrical tube, and smoke inlet and heat-transfer fluid entrance are located at heat accumulation chamber lower box relative position, and heat accumulation chamber body top relative position is located in exhanst gas outlet and heat-transfer fluid outlet.
Adopt the method for above-mentioned a kind of high-temperature flue gas heat recovery and storage device, high-temperature flue gas enters logical flue gas coil pipe from smoke inlet, heat-transfer fluid entrance passes into heat-transfer fluid simultaneously, the flow velocity of Heat Transfer Control fluid in heat exchange coil, while making it arrive heat-transfer fluid outlet, by high-temperature flue gas, heated, the flue gas that completes heat exchange is discharged heat accumulation chamber body from exhanst gas outlet, in heat exchange, the phase-change heat-storage material that is filled in heat accumulation chamber body internal voids is heated by high-temperature flue gas, its fusing is front by the mode heat accumulation with sensible heat, when temperature reaches that its fusing point starts fusing and with the mode storing heat of latent heat of phase change, when high-temperature flue gas is under-supply or interrupt, phase-change heat-storage material wraps up layer by layer in high temperature fused state and by heat exchange coil, by heat exchange, emit latent heat of phase change, add hot heat transfer fluid, thereby heat energy is released and utilizes, when phase-change heat-storage material is cooled to phase transition temperature, the crystallization of liquid phase-change heat accumulating is solid-state and emits latent heat of phase change, this circulation accumulation of heat-exothermic process can reach more than thousand times.
Press such scheme, the temperature range of described high-temperature flue gas is 400 ℃～600 ℃, and the operating temperature range of storage device is 200 ℃～600 ℃.
The invention has the beneficial effects as follows: the heat transfer accumulation of heat that 1, realizes high-temperature flue gas waste heat is integrated, improve heat utilization rate, better realize energy-saving and emission-reduction, resource reutilization; 2, the coil pipe passage of logical flue gas is dryly to enter to do, and high-temperature flue gas entry and outlet can exchange, and has both avoided the corrosion of pipeline and the deposition after flue gas water suction to stop up, and can reduce again flue gas particle at the probability that adheres to of coil pipe, reduces the cost of maintenance; 3, the staggered placement that has space of the coil pipe of logical flue gas and heat exchange coil, the heat of guaranteeing high-temperature flue gas fully passes to hot fluid, carry out heat transmission uniform high-efficiency, phase-change heat-storage material and each face close contact of coil pipe of wherein filling, greatly improved the heat accumulation heat transfer efficiency of this regenerative apparatus.
Accompanying drawing explanation
Fig. 1 is the cutaway view of one embodiment of the invention.
Fig. 2 is the logical flue gas coil pipe of one embodiment of the invention and the assembling schematic diagram of heat exchange coil.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the fin of one embodiment of the invention and the structural representation of supporting construction frame.
Wherein: 1. heat accumulation chamber top cover, 2. heat accumulation chamber body, 3. exhanst gas outlet, 4. smoke inlet, 5. heat-insulation layer, 6. logical flue gas coil pipe, 7. heat exchange coil, 8. heat-transfer fluid outlet, 9. heat-transfer fluid entrance, 10. supporting construction frame, 11. fins, 12. phase-change heat-storage materials, 13. through holes.
The specific embodiment
For understanding better the present invention, below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, a kind of high-temperature flue gas UTILIZATION OF VESIDUAL HEAT IN and storage device, comprise heat accumulation chamber body 2, heat accumulation chamber body top connects heat accumulation chamber top cover 1, on heat accumulation chamber body, be respectively equipped with smoke inlet 3, exhanst gas outlet 4, heat-transfer fluid outlet 8 and heat-transfer fluid entrance 9, in heat accumulation chamber body, be uniformly distributed several supporting construction framves 10, be fixedly connected with heat accumulation chamber bottom half, interlaced on supporting construction frame have being fixed with of space to lead to flue gas coil pipe 6 and heat exchange coil 7, the two-port of logical flue gas coil pipe is fixedly connected with exhanst gas outlet with smoke inlet respectively, the two-port of heat exchange coil is fixedly connected with heat-transfer fluid entrance with heat-transfer fluid outlet respectively, heat accumulation chamber body internal voids is filled with phase-change heat-storage material 12, heat accumulation chamber external surface is coated one layer of heat preservation material, form the heat-insulation layer of sealing, insulation material can effectively prevent scattering and disappearing of heat, strengthen heat accumulation efficiency, insulation material can be multi-layer high-temperature ore deposit cellucotton, heat accumulation chamber top cover can be connected with bolt with heat accumulation chamber body, after the top cover closure of heat accumulation chamber, tight a bolt, heat accumulation chamber body and heat accumulation chamber top cover surround the heat accumulation space of sealing.
As Fig. 2, 3, shown in 4, heat accumulation chamber body 2 is cylinder, inner diameter of steel flue 2.5m, height 3m, supporting construction frame 10 is provided with several through holes 13 from top to bottom successively, logical flue gas coil pipe 6 and heat exchange coil 7 intervals arrange in the shape of a spiral through through hole, it (is the logical flue gas coil pipe of difference and logical hot fluid coil pipe that two coil pipes all coil seven circles, be depicted as the figure of different-diameter size), coiling diameter is 1600mm, gap 70mm, pitch 330mm, coil pipe internal diameter is 80mm, coil pipe external diameter is 90mm, volume accounts for 7.0% of heat accumulation chamber body inner space, the specification of bracing frame framework is 138mm * 198mm * 1900mm, supporting construction frame is fixed two coil pipes, prevent distortion and mobile, on supporting construction frame the inside and outside both sides of relatively logical flue gas coil pipe and heat exchange coil parallel be provided with several to fin 11, every a through hole, a pair of fin is set, every pair of fin is in the same plane, before phase-change heat-storage material 12 is started working, can transmit the heat of high-temperature flue gas, play and strengthen the effect of conducting heat.
When high-temperature flue gas heat recovery and storage device work, high-temperature flue gas is dry in coil pipe to be entered to do, and passes into heat-transfer fluid, the flow velocity of Heat Transfer Control fluid from heat-transfer fluid entrance 9 simultaneously, when it arrives when heat-transfer fluid exports 8, by high-temperature flue gas, heated, this waste heat can directly utilize; Meanwhile, the phase-change heat-storage material 12 being filled between heat accumulation chamber cabinet wall and dual coil pipes is heated by high-temperature flue gas, before its fusing, by the mode heat accumulation with sensible heat, when temperature reaches its fusing point, phase-change heat-storage material 12 starts to melt and with the mode storing heat of latent heat of phase change.Because selected phase change heat storage material 12 has larger heat accumulation potential, and in device, the storage volume of phase-change heat-storage material 12 approximately reaches 80%, when high-temperature flue gas is under-supply or interrupt, phase-change heat-storage material 12 wraps up layer by layer in high temperature fused state and by heat exchange coil 7, thereby emit latent heat of phase change by heat exchange, adds hot fluid and heat energy is released and utilizes.When phase-change heat-storage material 12 is cooled to phase transition temperature, the crystallization of liquid phase-change heat accumulating is solid-state and emits latent heat of phase change.This heat accumulation and heat utilization efficiency can improve greatly, and this circulation accumulation of heat-exothermic process can reach more than thousand times.
The temperature range of high-temperature flue gas is 400 ℃～600 ℃, and the operating temperature range of storage device is 200 ℃～600 ℃, and through parameter simulation and calculating, the heat transfer heat accumulation gross efficiency of this device can reach 87.3%, is applicable to the remaining cigarette thermal power transfer of high temperature.
Embodiment bis-:
With high-temperature flue gas heat recovery and storage device difference described in above-described embodiment one be: logical flue gas coil pipe 6 and heat exchange coil 7 intervals arrange in the shape of a spiral through through hole, two coil pipes all coil six circles, coiling diameter is 1700mm, gap 60mm, pitch 300mm, coil pipe internal diameter is 70mm, coil pipe external diameter is 80mm, volume accounts for 7.0% of heat accumulation chamber body inner space, the specification of bracing frame framework is 140mm * 200mm * 1900mm, through parameter simulation and calculating, the heat transfer heat accumulation gross efficiency of this device can reach 85.1%, be applicable to the remaining cigarette thermal power transfer of high temperature.
Embodiment tri-:
With high-temperature flue gas heat recovery and storage device difference described in above-described embodiment one be: logical flue gas coil pipe 6 and heat exchange coil 7 intervals arrange in the shape of a spiral through through hole, two coil pipes all coil eight circles, coiling diameter is 1500mm, gap 60mm, pitch 340mm, coil pipe internal diameter is 90mm, coil pipe external diameter is 100mm, volume accounts for 7.1% of heat accumulation chamber body inner space, the specification of bracing frame framework is 136mm * 196mm * 1900mm, through parameter simulation and calculating, the heat transfer heat accumulation gross efficiency of this device can reach 88.9%, be applicable to the remaining cigarette thermal power transfer of high temperature.
Embodiment tetra-:
With high-temperature flue gas heat recovery and storage device difference described in above-described embodiment one be: logical flue gas coil pipe 6 and heat exchange coil 7 intervals arrange in the shape of a spiral through through hole, two coil pipes all coil nine circles, coiling diameter is 1400mm, gap 50mm, pitch 310mm, coil pipe internal diameter is 96mm, coil pipe external diameter is 110mm, volume accounts for 7.2% of heat accumulation chamber body inner space, the specification of bracing frame framework is 134mm * 194mm * 1900mm, through parameter simulation and calculating, the heat transfer heat accumulation gross efficiency of this device can reach 89.9%, be applicable to the remaining cigarette thermal power transfer of high temperature.
Embodiment five:
With high-temperature flue gas heat recovery and storage device difference described in above-described embodiment one be: logical flue gas coil pipe 6 and heat exchange coil 7 intervals arrange in the shape of a spiral through through hole, two coil pipes all coil ten circles, coiling diameter is 1200mm, gap 30mm, pitch 330mm, coil pipe internal diameter is 110mm, coil pipe external diameter is 120mm, volume accounts for 6.8% of heat accumulation chamber body inner space, the specification of bracing frame framework is 130mm * 190mm * 1900mm, through parameter simulation and calculating, the heat transfer heat accumulation gross efficiency of this device can reach 86.4%, be applicable to the remaining cigarette thermal power transfer of high temperature.
Embodiment six:
With high-temperature flue gas heat recovery and storage device difference described in above-described embodiment one be: logical flue gas coil pipe 6 and heat exchange coil 7 intervals arrange in the shape of a spiral through through hole, two coil pipes all coil 11 circles, coiling diameter is 1300mm, gap 40mm, pitch 320mm, coil pipe internal diameter is 100mm, coil pipe external diameter is 110mm, volume accounts for 6.9% of heat accumulation chamber body inner space, the specification of bracing frame framework is 132mm * 192mm * 1900mm, through parameter simulation and calculating, the heat transfer heat accumulation gross efficiency of this device can reach 90.4%, be applicable to the remaining cigarette thermal power transfer of high temperature.
Claims (8)
1. a high-temperature flue gas heat recovery and storage device, it is characterized in that, comprise heat accumulation chamber body, described heat accumulation chamber body top connects heat accumulation chamber top cover, on heat accumulation chamber body, be respectively equipped with smoke inlet, exhanst gas outlet, heat-transfer fluid outlet and heat-transfer fluid entrance, in heat accumulation chamber body, be uniformly distributed several supporting construction framves, be fixedly connected with heat accumulation chamber bottom half, interlaced logical flue gas coil pipe and the heat exchange coil that specification is identical that be fixed with that has space on described supporting construction frame, the two-port of logical flue gas coil pipe is fixedly connected with exhanst gas outlet with smoke inlet respectively, the two-port of heat exchange coil is fixedly connected with heat-transfer fluid entrance with heat-transfer fluid outlet respectively, heat accumulation chamber body internal voids is filled with phase-change heat-storage material.
2. a kind of high-temperature flue gas heat recovery according to claim 1 and storage device, is characterized in that, the coated one layer of heat preservation material of described heat accumulation chamber external surface, forms the heat-insulation layer sealing.
3. a kind of high-temperature flue gas heat recovery according to claim 2 and storage device, it is characterized in that, on described supporting construction frame, be provided with successively from top to bottom several through holes, logical flue gas coil pipe and heat exchange coil interval arrange in the shape of a spiral through through hole, and two coil pipes all coil a few.
4. a kind of high-temperature flue gas heat recovery according to claim 3 and storage device, it is characterized in that, on described supporting construction frame the inside and outside both sides of relatively logical flue gas coil pipe and heat exchange coil parallel be provided with several to fin, every a through hole, a pair of fin is set, every pair of fin is in the same plane.
5. a kind of high-temperature flue gas heat recovery according to claim 2 and storage device, is characterized in that, described insulation material is multi-layer high-temperature ore deposit cellucotton.
6. a kind of high-temperature flue gas heat recovery according to claim 1 and storage device, it is characterized in that, described heat accumulation chamber body is cylindrical tube, smoke inlet and heat-transfer fluid entrance are located at heat accumulation chamber lower box relative position, and heat accumulation chamber body top relative position is located in exhanst gas outlet and heat-transfer fluid outlet.
7. adopt the method for one of the claims described a kind of high-temperature flue gas heat recovery and storage device, it is characterized in that, high-temperature flue gas enters logical flue gas coil pipe from smoke inlet, heat-transfer fluid entrance passes into heat-transfer fluid simultaneously, the flow velocity of Heat Transfer Control fluid in heat exchange coil, while making it arrive heat-transfer fluid outlet, by high-temperature flue gas, heated, the flue gas that completes heat exchange is discharged heat accumulation chamber body from exhanst gas outlet, in heat exchange, the phase-change heat-storage material that is filled in heat accumulation chamber body internal voids is heated by high-temperature flue gas, its fusing is front by the mode heat accumulation with sensible heat, when temperature reaches that its fusing point starts fusing and with the mode storing heat of latent heat of phase change, when high-temperature flue gas is under-supply or interrupt, phase-change heat-storage material wraps up layer by layer in high temperature fused state and by heat exchange coil, by heat exchange, emit latent heat of phase change, add hot heat transfer fluid, thereby heat energy is released and utilizes, when phase-change heat-storage material is cooled to phase transition temperature, the crystallization of liquid phase-change heat accumulating is solid-state and emits latent heat of phase change, this circulation accumulation of heat-exothermic process can reach more than thousand times.
8. the method for a kind of high-temperature flue gas heat recovery according to claim 7 and storage device, is characterized in that, the temperature range of described high-temperature flue gas is 400 ℃～600 ℃, and the operating temperature range of storage device is 200 ℃～600 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410215721.4A CN103994683A (en) | 2014-05-21 | 2014-05-21 | High-temperature smoke waste heat recycling and storing device and method |
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| CN201410215721.4A CN103994683A (en) | 2014-05-21 | 2014-05-21 | High-temperature smoke waste heat recycling and storing device and method |
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| CN103994683A true CN103994683A (en) | 2014-08-20 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482790A (en) * | 2014-11-26 | 2015-04-01 | 华晨汽车集团控股有限公司 | Phase change heat storage device and method utilizing engine waste gas waste heat |
| CN104501290A (en) * | 2014-12-31 | 2015-04-08 | 东南大学 | Coupling type waste heat energy recovering system for large phase-change heat storage cylinder |
| CN105004072A (en) * | 2015-07-01 | 2015-10-28 | 江苏中储能源装备有限公司 | Inner pot of melting device of phase-change heat storage media |
| CN105115336A (en) * | 2015-09-07 | 2015-12-02 | 河北艺能锅炉有限责任公司 | Molten salt thermal storage heater |
| CN105627801A (en) * | 2016-01-25 | 2016-06-01 | 杨善让 | Constant temperature heat storage and multi-temperature heat supply industrial-civil dual-purpose heat storage device and implementation method thereof |
| CN108686612A (en) * | 2018-08-02 | 2018-10-23 | 汤铁 | Tubular type countercurrent flow reactor |
| CN110332723A (en) * | 2019-07-04 | 2019-10-15 | 天津大学 | A kind of twin-stage annulus deflector type solar energy phase transition energy storage device |
| CN111121514A (en) * | 2020-01-07 | 2020-05-08 | 南京工业大学 | Movable phase-change heat and cold storage device |
| CN112683096A (en) * | 2020-12-31 | 2021-04-20 | 思安新能源股份有限公司 | Spiral coil pipe type phase change heat storage device |
| CN113218227A (en) * | 2021-05-08 | 2021-08-06 | 中煤科工集团重庆研究院有限公司 | Gas heat storage oxidation multi-medium step efficient heat storage peak regulation system |
| CN115307334A (en) * | 2022-08-08 | 2022-11-08 | 安徽工程大学 | Multi-heat-source heat pump air conditioning system and operation control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482790A (en) * | 2014-11-26 | 2015-04-01 | 华晨汽车集团控股有限公司 | Phase change heat storage device and method utilizing engine waste gas waste heat |
| CN104501290B (en) * | 2014-12-31 | 2017-04-05 | 东南大学 | A kind of big tank of phase-transition heat-storage couples waste thermal energy recovery system |
| CN104501290A (en) * | 2014-12-31 | 2015-04-08 | 东南大学 | Coupling type waste heat energy recovering system for large phase-change heat storage cylinder |
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| CN105627801B (en) * | 2016-01-25 | 2018-06-05 | 杨善让 | A kind of constant temperature accumulation of heat, the dual-purpose thermal storage device of the work people and its implementation of more warm heat supplies |
| CN105627801A (en) * | 2016-01-25 | 2016-06-01 | 杨善让 | Constant temperature heat storage and multi-temperature heat supply industrial-civil dual-purpose heat storage device and implementation method thereof |
| CN108686612A (en) * | 2018-08-02 | 2018-10-23 | 汤铁 | Tubular type countercurrent flow reactor |
| CN110332723A (en) * | 2019-07-04 | 2019-10-15 | 天津大学 | A kind of twin-stage annulus deflector type solar energy phase transition energy storage device |
| CN111121514A (en) * | 2020-01-07 | 2020-05-08 | 南京工业大学 | Movable phase-change heat and cold storage device |
| CN111121514B (en) * | 2020-01-07 | 2024-04-30 | 南京工业大学 | Movable phase-change heat and cold storage device |
| CN112683096A (en) * | 2020-12-31 | 2021-04-20 | 思安新能源股份有限公司 | Spiral coil pipe type phase change heat storage device |
| CN113218227A (en) * | 2021-05-08 | 2021-08-06 | 中煤科工集团重庆研究院有限公司 | Gas heat storage oxidation multi-medium step efficient heat storage peak regulation system |
| CN115307334A (en) * | 2022-08-08 | 2022-11-08 | 安徽工程大学 | Multi-heat-source heat pump air conditioning system and operation control method thereof |
| CN115307334B (en) * | 2022-08-08 | 2024-01-26 | 安徽工程大学 | Multi-heat source heat pump air conditioning system and operation control method thereof |
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Application publication date: 20140820 |