CN104654857A - Heat accumulator for recovering kiln heat energy and application method thereof - Google Patents
Heat accumulator for recovering kiln heat energy and application method thereof Download PDFInfo
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- CN104654857A CN104654857A CN201310572916.XA CN201310572916A CN104654857A CN 104654857 A CN104654857 A CN 104654857A CN 201310572916 A CN201310572916 A CN 201310572916A CN 104654857 A CN104654857 A CN 104654857A
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- heat storage
- heat
- kiln
- effluent
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention aims to provide a heat accumulator for high-temperature recovery of kiln discharges, which can realize the recovery of high-temperature kiln afterheat with high temperature, large scale, low cost and high efficiency, and is suitable for the heat accumulation at a temperature of 10-1500 DEG C. The heat accumulator consists of metal or nonmetal or a mixture thereof, and is mixed with the kiln discharges in a kiln outlet; the heat energy exchange is performed between the heat accumulator and the kiln discharges; after the heat accumulator reaches a set temperature, the heat accumulator is separated from the discharges, then, a heat exchanger of the heat accumulator is used for exchanging heat to realize the recovery and the utilization of the heat energy; and the heat accumulator can recover the heat energy of the kiln discharges of 30-1200 DEG C. The invention further aims to provide an application method of the heat accumulator for high-temperature recovery of the kiln discharges; the heat accumulator is mixed with the discharges; and after the heat accumulator reaches the set temperature, the heat accumulator is separated from the discharges to realize the recovery and the utilization of afterheat.
Description
Technical field
The present invention relates to heat energy utilization, particularly utilize heat storage to reclaim the method for kiln high-temperature residual heat.
Background technology
Industrial Stoves have a lot of effluent, and as the slag of steel mill, it exists a large amount of waste heats, but prior art cannot be recycled its waste heat.
Only can utilize water to realize the cooling to slag at present, and then reclaim the heat energy of washing slag water, but the temperature of washing slag water is only 60-90 degree, cannot realize the utilization of high temperature.
In fact effluent slag temperature can reach 300-800 degree, how waste heat is carried out recovery and incites somebody to action, there is technical problem.
The effluent slag etc. of Industrial Stoves, and the mine tailing that various mine development is formed, piled up as above, and dangerous hidden danger, how effectively economic utilization, will be the problem that needs very solve.
Summary of the invention
The object of this invention is to provide a kind of heat storage reclaimed for kiln effluent high temperature, the high-temperature residual heat of high temperature, extensive, low cost, high efficiency recovery kiln can be realized, and be suitable for the accumulation of heat of the temperature of 10-1500 degree.The heat storage be made up of metal or nonmetal or its mixture, heat storage is mixed with kiln effluent in kiln exit, heat storage and kiln effluent carry out thermal energy exchange, after heat storage reaches design temperature, storage heater is separated with effluent, then utilize heat storage heat exchanger to carry out heat exchange, realize the Collection and utilization of heat energy, heat storage can reclaim 30-1200 degree kiln effluent heat energy.
Another object of the present invention is to provide the using method of the heat storage required for the recovery of a kind of kiln effluent high temperature, by heat storage is mixed with effluent, after heat storage reaches design temperature, heat storage is separated with effluent, realizes the recycling of waste heat.
Concrete summary of the invention is as follows:
For reclaiming a heat storage for kiln heat energy, it is characterized in that: the heat storage be made up of metal or nonmetal or metal and non-metal mixture, heat storage is provided with and selects following a kind of device:
A, heat storage are provided with a Ge Rezhang mechanism, can after temperature reach the temperature of setting, heat rises volume expansion;
B, heat storage are provided with a temperature switch, temperature switch controls a spring mechanism, and spring mechanism is after design temperature is opened, and the temperature switch that spring mechanism controls is opened;
C, heat storage are provided with valve or nozzle, material can be discharged in heat storage in the effluent heat storage;
D, heat storage is provided with the jockey for being interconnected or be connected with other devices or is processed with recessed or/and protuberance position on heat storage;
Recessed or/and protuberance position can form a passage between E, two heat storages; Circulate for gas or liquid;
F, in heat storage, be provided with cavity, in cavity, be provided with heat-storing material.
Heat storage is selected from following a kind of structure:
A, multilayer heat storage: be at least made up of the heat storage of two layers, the second layer is positioned at ground floor outside, and the second layer will be wrapped in ground floor than ground floor completely;
B, multi-section heat storage: heat storage is divided into multiple part, the material of at least one part is not identical with the material of the material of another one part;
C, multi-section multilayer heat storage: be at least made up of the heat storage of two layers, the second layer is positioned at ground floor outside, the second layer will be wrapped in ground floor than ground floor completely, and every one deck heat storage is divided into multiple part, and the material of at least one part is not identical with the material of the material of another one part.
The shape of the outer shape of heat storage, internal cavities shape, multilayer shape, manifold each part, selects following one or its combination: spheroid, circle, polygon, rhombus, fan-shaped, triangle, arc.
In heat storage, at least include a magnetic material, may be used for carrying out between particle connecting, screen, transport.
A kind of using method of the heat storage for reclaiming kiln heat energy, it is characterized in that: first above-described arbitrary heat storage is mixed with kiln effluent in kiln exit, described heat storage and kiln effluent is made to carry out thermal energy exchange, after described heat storage reaches design temperature, heat storage is separated with effluent, then utilize heat storage heat exchanger to carry out heat exchange, realize the Collection and utilization of heat energy, heat storage can reclaim 30-1200 degree kiln effluent heat energy.
Following method is adopted to be separated with effluent by storage heater:
A, adopt the Re Zhang mechanism that heat storage is arranged, can after temperature reach the temperature of setting, heat rises volume expansion, separates from effluent;
B, adopt heat storage arrange temperature switch, temperature switch controls a spring mechanism, spring mechanism after design temperature is opened, spring mechanism control temperature switch open, heat storage is separated from effluent;
C, adopt on heat storage, to be provided with the jockey for being interconnected or be connected with other devices or to be processed with on heat storage and recessedly or/and protuberance position, heat storage is utilized jockey, from effluent, heat storage is separated;
The magnetic material that D, employing heat storage are arranged, is separated heat storage from effluent;
E, employing solid-liquid separating equipment, separate heat storage from effluent.
The heat storage heat exchanger adopted is selected from following one:
A, be placed in a container by storage heater, container is provided with import and outlet, and fluid is flowed through heat storage after import enters, and fluid flows out from outlet, realizes the heat exchange with storage heater;
B, storage heater to be placed in a shell-and-tube heat exchanger, to utilize shell-and-tube heat exchanger to realize heat exchange.
Adopt technical scheme of the present invention can produce following beneficial effect:
1, the present invention adopts heat storage to achieve to reclaim the high-temperature residual heat of high temperature kiln effluent;
2, the present invention can effectively utilize mine tailing and slag to realize the production of heat-storing material, and resource can be effectively used;
3, the present invention can be applied to mobile accumulation of heat, utilizes after being transported to the region of needs after waste heat can being reclaimed.
Accompanying drawing explanation
Fig. 1 is the hexagon solid grain block with three temperature control spring mechanisms;
Fig. 2 be with a Ge Rezhang mechanism hexagon solid grain block;
Fig. 3 is the semicircle solid grain block with recessed structure;
Fig. 4 is the solid grain block with concaveconvex structure.
Number in the figure implication:
1: solid grain block, 2: integral channel, 3: temperature control spring mechanism, 4: Re Zhang mechanism, 5: the recessed structure of solid grain block, 6: solid grain block male structure.
Detailed description of the invention
Embodiment 1, hexagon solid grain block with three temperature control spring mechanisms
Hexagon solid grain block shown in Fig. 1, by steel mill's slag 70%, copper ore powder 20%, graphite powder 3%, alundum (Al2O3) 7% forms, and is mixed aftershaping, be provided with a conduit 2 in rectangle grain block, be provided with three temperature control spring mechanisms on three sides, 3, temperature control spring can start after 450 degree, reach temperature rear spring to eject, solid grain block is separated from effluent, then will be transferred in shell-and-tube heat exchanger, carry out heat exchange, realize the utilization of temperature.
Embodiment 2, with a Ge Rezhang mechanism hexagon solid grain block
Fig. 2 is hexagon solid grain block, by coal ash of power plant 30%, gold mine tailings powder 65%, graphite powder 5% forms, and is mixed aftershaping, and to its carry out 1200 degree add post forming, be provided with Re Zhang mechanism 4 on its lateral surface, after temperature raises, inner liquid starts to expand, promote Re Zhang mechanism to expand, realize solid grain block to be separated with effluent.
The heat transfer heat exchange of 10-1000 degree can be applied.
Embodiment 3, semicircle solid grain block with recessed structure
The solid grain block with recessed structure shown in Fig. 3, by scum 60%, quartz sand 40% forms, joined the temperature of 800 degree after 30 minutes, two recessed structures can be combined into a cylinder, after cylinder mixes with effluent, solid-liquid separating equipment is adopted to be separated, heat storage after separation is encased in shell-and-tube heat exchanger, and adopt heat exchanger by energy recovery, the solid grain block after recovery reuses.
Embodiment 4, solid grain block with concaveconvex structure
The solid grain block with concaveconvex structure shown in Fig. 3, by scum 40%, mine tailing 40% forms, rock 20%, is joined the temperature of 1000 degree after 30 minutes, two concaveconvex structures can be combined into a cylinder, after cylinder mixes with effluent, adopted solid-liquid separating equipment to be separated, the heat storage after separation is encased in shell-and-tube heat exchanger, adopt heat exchanger by energy recovery, the solid grain block after recovery reuses.
The using method of embodiment 5, a kind of heat storage for reclaiming kiln heat energy
The solid grain block with recessed structure shown in Fig. 3, by scum 60%, quartz sand 40% forms, joined the temperature of 800 degree after 30 minutes, two recessed structures can be combined into a cylinder, after cylinder mixes with effluent, solid-liquid separating equipment is adopted to be separated, heat storage after separation is encased in shell-and-tube heat exchanger, and adopt heat exchanger by energy recovery, the solid grain block after recovery reuses.
According to theory and structure of the present invention, other case study on implementation can be designed, as long as theory and structure according to the invention, all belong to enforcement of the present invention.
Claims (7)
1. for reclaiming a heat storage for kiln heat energy, it is characterized in that: the heat storage be made up of metal or nonmetal or metal and non-metal mixture, heat storage is provided with and selects following a kind of device:
Heat storage is provided with a Ge Rezhang mechanism, can after temperature reach the temperature of setting, heat rises volume expansion;
Heat storage is provided with a temperature switch, temperature switch controls a spring mechanism, and spring mechanism is after design temperature is opened, and the temperature switch that spring mechanism controls is opened;
Heat storage is provided with valve or nozzle, material can be discharged in heat storage in the effluent heat storage;
Heat storage is provided with the jockey for being interconnected or be connected with other devices or is processed with recessed or/and protuberance position on heat storage;
Recessed or/and protuberance position can form a passage between two heat storages; Circulate for gas or liquid;
In heat storage, be provided with cavity, in cavity, be provided with heat-storing material.
2. a kind of heat storage for reclaiming kiln heat energy according to claim 1, is characterized in that: heat storage is selected from following a kind of structure:
Multilayer heat storage: be at least made up of the heat storage of two layers, the second layer is positioned at ground floor outside, and the second layer will be wrapped in ground floor than ground floor completely;
Multi-section heat storage: heat storage is divided into multiple part, the material of at least one part is not identical with the material of the material of another one part;
Multi-section multilayer heat storage: be at least made up of the heat storage of two layers, the second layer is positioned at ground floor outside, the second layer will be wrapped in ground floor than ground floor completely, and every one deck heat storage is divided into multiple part, and the material of at least one part is not identical with the material of the material of another one part.
3. a kind of heat storage for reclaiming kiln heat energy according to claim 1, it is characterized in that: the shape of the outer shape of heat storage, internal cavities shape, multilayer shape, manifold each part, select following one or its combination: spheroid, circle, polygon, rhombus, fan-shaped, triangle, arc.
4. a kind of heat storage for reclaiming kiln heat energy according to claim 1, is characterized in that: in heat storage, at least include a magnetic material, may be used for carrying out between particle connecting, screens, transports.
5. one kind for reclaiming the using method of the heat storage of kiln heat energy, it is characterized in that: first the arbitrary heat storage described in claim 1-4 is mixed with kiln effluent in kiln exit, described heat storage and kiln effluent is made to carry out thermal energy exchange, after described heat storage reaches design temperature, heat storage is separated with effluent, then utilize heat storage heat exchanger to carry out heat exchange, realize the Collection and utilization of heat energy, heat storage can reclaim 30-1200 degree kiln effluent heat energy.
6. the using method of a kind of heat storage for reclaiming kiln heat energy according to claim 5, is characterized in that: adopt following method to be separated with effluent by storage heater:
Adopt the Re Zhang mechanism that heat storage is arranged, can after temperature reach the temperature of setting, heat rises volume expansion, separates from effluent;
Adopt the temperature switch arranged at heat storage, temperature switch controls a spring mechanism, and spring mechanism is after design temperature is opened, and the temperature switch that spring mechanism controls is opened, and is separated by heat storage from effluent;
Adopt the jockey that is provided with on heat storage for being interconnected or be connected with other devices or be processed with on heat storage and recessedly or/and protuberance position, heat storage is utilized jockey, from effluent, heat storage is separated;
Adopt the magnetic material that heat storage is arranged, heat storage is separated from effluent;
Adopt solid-liquid separating equipment, heat storage is separated from effluent.
7. the using method of a kind of heat storage for reclaiming kiln heat energy according to claim 5, is characterized in that: the heat storage heat exchanger of employing is selected from following one:
Be placed into by storage heater in a container, container is provided with import and outlet, and fluid is flowed through heat storage after import enters, and fluid flows out from outlet, realizes the heat exchange with storage heater;
Storage heater is placed in a shell-and-tube heat exchanger, utilizes shell-and-tube heat exchanger to realize heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572916.XA CN104654857B (en) | 2013-11-17 | 2013-11-17 | Heat accumulator for recovering kiln heat energy and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572916.XA CN104654857B (en) | 2013-11-17 | 2013-11-17 | Heat accumulator for recovering kiln heat energy and application method thereof |
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| Publication Number | Publication Date |
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| CN104654857A true CN104654857A (en) | 2015-05-27 |
| CN104654857B CN104654857B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310572916.XA Expired - Fee Related CN104654857B (en) | 2013-11-17 | 2013-11-17 | Heat accumulator for recovering kiln heat energy and application method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0207911A1 (en) * | 1985-07-02 | 1987-01-07 | Palne Mogensen | A method and means for applying a heat exchanger in a drill hole for the purpose of heat recovery and storage |
| US4768579A (en) * | 1987-01-13 | 1988-09-06 | Jean Patry | Recipient design to contain an energy storage medium with high fusion-crystallization latent heat |
| CN101308000A (en) * | 2008-05-19 | 2008-11-19 | 北京高瞻科技有限公司 | Honeycomb heat accumulator for shock resistance and high temperature oxidation resistance |
| CN201152710Y (en) * | 2007-12-25 | 2008-11-19 | 上海锦立新能源科技有限公司 | Phase changing energy storage ball |
| CN101315258A (en) * | 2008-05-19 | 2008-12-03 | 北京高瞻科技有限公司 | Metal honeycomb heat accumulation body with oxidation-resistant surface |
| CN201811625U (en) * | 2010-01-29 | 2011-04-27 | 重庆大学 | Phase change heat storage exchange module and device and system thereof |
| CN201897420U (en) * | 2010-11-11 | 2011-07-13 | 芜湖新兴铸管有限责任公司 | Heat accumulator structure of heat-accumulation heating furnace |
| CN202582307U (en) * | 2012-05-25 | 2012-12-05 | 李同强 | Waste heat recovery and storage device |
-
2013
- 2013-11-17 CN CN201310572916.XA patent/CN104654857B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0207911A1 (en) * | 1985-07-02 | 1987-01-07 | Palne Mogensen | A method and means for applying a heat exchanger in a drill hole for the purpose of heat recovery and storage |
| US4768579A (en) * | 1987-01-13 | 1988-09-06 | Jean Patry | Recipient design to contain an energy storage medium with high fusion-crystallization latent heat |
| CN201152710Y (en) * | 2007-12-25 | 2008-11-19 | 上海锦立新能源科技有限公司 | Phase changing energy storage ball |
| CN101308000A (en) * | 2008-05-19 | 2008-11-19 | 北京高瞻科技有限公司 | Honeycomb heat accumulator for shock resistance and high temperature oxidation resistance |
| CN101315258A (en) * | 2008-05-19 | 2008-12-03 | 北京高瞻科技有限公司 | Metal honeycomb heat accumulation body with oxidation-resistant surface |
| CN201811625U (en) * | 2010-01-29 | 2011-04-27 | 重庆大学 | Phase change heat storage exchange module and device and system thereof |
| CN201897420U (en) * | 2010-11-11 | 2011-07-13 | 芜湖新兴铸管有限责任公司 | Heat accumulator structure of heat-accumulation heating furnace |
| CN202582307U (en) * | 2012-05-25 | 2012-12-05 | 李同强 | Waste heat recovery and storage device |
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| CN104654857B (en) | 2017-05-17 |
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