CN104654857B - 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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- CN104654857B CN104654857B CN201310572916.XA CN201310572916A CN104654857B CN 104654857 B CN104654857 B CN 104654857B CN 201310572916 A CN201310572916 A CN 201310572916A CN 104654857 B CN104654857 B CN 104654857B
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- heat storage
- heat
- kiln
- storage
- 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, in particular with the method that heat storage reclaims kiln high-temperature residual heat.
Background technology
Industrial Stoves have many effluents, the such as slag of steel mill, and it has substantial amounts of waste heat, but prior art cannot
Its waste heat is recycled.
Only can utilize water at present realize the cooling to slag, then the heat energy of recycling washing slag water, but washing slag water
Temperature be only 60-90 degree, it is impossible to realize the utilization of high temperature.
In fact effluent slag temperature can reach 300-800 degree, how to carry out reclaiming by waste heat and will there is technology and ask
Topic.
Effluent slag of Industrial Stoves etc., and the mine tailing that various mine developments are formed, have piled up as above, and
Dangerous hidden danger, how effective economic utilization, will be a problem for very needing to solve.
The content of the invention
It is an object of the invention to provide a kind of reclaim required heat storage for kiln effluent high temperature, it is possible to achieve high
It is warm, extensive, inexpensive, efficient to reclaim the high-temperature residual heat of kiln, and it is suitable for the accumulation of heat of the temperature of 10-1500 degree.By
Metal or nonmetallic or its mixture composition heat storage, heat storage is mixed in kiln exit with kiln effluent,
Heat storage and kiln effluent carry out thermal energy exchange, after heat storage reaches design temperature, storage heater and effluent are carried out point
From, then exchanged heat using heat storage heat exchanger, to realize the recovery of heat energy and utilize, heat storage can reclaim 30-1200 degree
Kiln effluent heat energy.
Another object of the present invention is to provide a kind of use of the heat storage required for kiln effluent high temperature is reclaimed
Method, by the way that heat storage is mixed with effluent, after heat storage reaches design temperature, heat storage is carried out with effluent
Separate, realize the recycling of waste heat.
The concrete content of the invention is as follows：
A kind of heat storage for reclaiming kiln heat energy, is characterized in that：It is mixed with nonmetallic by metal or nonmetallic or metal
The heat storage of compound composition, is provided with a kind of following device of selection on heat storage：
A thermal expansion mechanism is provided with A, heat storage, can be after the temperature that temperature reaches setting, thermal expansion volume expansion；
A temperature switch is provided with B, heat storage, temperature switch controls a spring mechanism, and spring mechanism is in setting
After temperature is opened, the temperature switch of spring mechanism control is opened；
Valve or nozzle are provided with C, heat storage, material the external effluent of accumulation of heat can be discharged into from accumulation of heat body
In；
D, it is provided with heat storage attachment means for being connected with each other or being connected with other devices or in heat storage
On be machined with recessed or/and convex portion position；
Recessed or/and convex portion position between E, two heat storages may be constructed a passage；Carry out for gas or liquid
Circulation；
F, in accumulation of heat body cavity is provided with, heat-storing material is provided with cavity.
Heat storage is selected from a kind of following structure：
A, multilayer heat storage：At least it is made up of two layers of heat storage, the second layer is located at outside ground floor, the second layer completely will
It is wrapped in ground floor than ground floor；
B, multi-section heat storage：Heat storage is divided into some, the material of at least one portion and the material of another part
The material of material is differed；
C, multi-section multilayer heat storage：At least it is made up of two layers of heat storage, the second layer is located at outside ground floor, and the second layer is complete
To be wrapped in ground floor than ground floor entirely, each layer of heat storage is divided into some, the material of at least one portion with addition
The material of the material of one part is differed.
The outer shape of heat storage, internal cavities shape, multilayer shape, the shape of manifold each part, under selection
Row are a kind of or it is combined：Spheroid, circle, polygon, rhombus, sector, triangle, arc.
Including at least there is a magnetic material in heat storage, can be used between particle being attached, screen, transport.
A kind of using method for reclaiming the heat storage of kiln heat energy, is characterized in that：First will be above-described arbitrary
Heat storage is mixed in kiln exit with kiln effluent, makes the heat storage carry out thermal energy exchange with kiln effluent,
After the heat storage reaches design temperature, heat storage is separated with effluent, then carried out using heat storage heat exchanger
Heat exchange, realizes the recovery of heat energy and utilizes, heat storage can reclaim 30-1200 degree kiln effluent heat energy.
Storage heater is separated with effluent using following method：
A, using on heat storage arrange thermal expansion mechanism, can be after the temperature that temperature reaches setting, thermal expansion volume expansion, from
Separate in effluent；
The temperature switch that B, employing are arranged in heat storage, temperature switch controls a spring mechanism, and spring mechanism is in setting
After temperature is opened, the temperature switch of spring mechanism control is opened, and heat storage is separated from effluent；
C, employing are provided with the attachment means for being connected with each other or being connected with other devices on heat storage or are storing
Recessed or/and convex portion position is machined with hot body, heat storage is utilized into attachment means, separate heat storage from effluent；
D, using on heat storage arrange magnetic material, heat storage is separated from effluent；
E, solid-liquid separating equipment is adopted, heat storage is separated from effluent.
Using heat storage heat exchanger be selected from following one kind：
A, storage heater is placed in a container, container is provided with import and outlet, and fluid is entered into rear stream from import
Jing heat storages, fluid flows out from outlet, realizes the heat exchange with storage heater；
B, storage heater is placed in a shell-and-tube heat exchanger, realizes exchanging heat using shell-and-tube heat exchanger.
Following beneficial effect can be produced using technical scheme：
1st, the present invention is realized using heat storage and the high-temperature residual heat of high temperature kiln effluent is reclaimed；
2nd, the present invention effectively can realize the production of heat-storing material using mine tailing and slag so that resource can be effective
Utilization；
3rd, present invention could apply to mobile accumulation of heat, transporting to after the region for needing after can be reclaimed waste heat is carried out
Utilize.
Description of the drawings
Fig. 1 is the hexagon solid grain block with three temperature control spring mechanisms；
Fig. 2 is the hexagon solid grain block with a thermal expansion mechanism；
Fig. 3 is the semicircle solid grain block with recessed structure；
Fig. 4 is the solid grain block with concaveconvex structure.
Label implication in figure：
1：Solid grain block, 2：Integral channel, 3：Temperature control spring mechanism, 4：Thermal expansion mechanism, 5：The recessed structure of solid grain block, 6：Gu
Body grain block male structure.
Specific embodiment
Embodiment 1, the 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%
Composition, is mixed aftershaping, and a conduit 2 is provided with rectangle grain block, and three temperature control springs are provided with three sides
Mechanism, 3, temperature control spring can start after 450 degree, reach spring after temperature and eject, and solid grain block is separated from effluent
Out, then will be transferred in shell-and-tube heat exchanger, be exchanged heat, realize the utilization of temperature.
Embodiment 2, the hexagon solid grain block with a thermal expansion mechanism
Fig. 2 is hexagon solid grain block, and by coal ash of power plant 30%, gold mine tailings powder 65%, graphite powder 5% is constituted, is mixed
Aftershaping, and it is carried out 1200 degree plus post forming, thermal expansion mechanism 4 is provided with its lateral surface, it is interior after temperature is raised
The liquid in portion starts expansion, promotes thermal expansion mechanism to be expanded, and realization is separated solid grain block with effluent.
The heat transfer that 10-1000 degree can be applied exchanges heat.
Embodiment 3, the semicircle solid grain block with recessed structure
The solid grain block with recessed structure shown in Fig. 3, by scum 60%, quartz sand 40% is constituted, and adds it to 800 degree
Temperature after 30 minutes, two recessed structures can be combined into a cylinder, after cylinder is mixed with effluent, by it
Separated using solid-liquid separating equipment, the heat storage after separation is encased in shell-and-tube heat exchanger, returned heat energy using heat exchanger
Receive, the solid grain block after recovery is reused.
Embodiment 4, the solid grain block with concaveconvex structure
The solid grain block with concaveconvex structure shown in Fig. 3, by scum 40%, mine tailing 40% is constituted, rock 20%, by itself plus
Enter to after 1000 degree of temperature 30 minutes, two concaveconvex structures can be combined into a cylinder, and cylinder enters with effluent
After row mixing, adopted solid-liquid separating equipment to be separated, the heat storage after separation is encased in shell-and-tube heat exchanger, adopt and change
Hot device reuses energy recovery, the solid grain block after recovery.
Embodiment 5, a kind of using method for reclaiming the heat storage of kiln heat energy
The solid grain block with recessed structure shown in Fig. 3, by scum 60%, quartz sand 40% is constituted, and adds it to 800 degree
Temperature after 30 minutes, two recessed structures can be combined into a cylinder, after cylinder is mixed with effluent, by it
Separated using solid-liquid separating equipment, the heat storage after separation is encased in shell-and-tube heat exchanger, returned heat energy using heat exchanger
Receive, the solid grain block after recovery is reused.
Principle of the invention and structure, can design other case study on implementation, if meet the present invention principle and
Structure, belongs to the enforcement of the present invention.
Claims (7)
1. a kind of heat storage for reclaiming kiln heat energy, is characterized in that：Mixed with nonmetallic by metal or nonmetallic or metal
The heat storage of thing composition, is provided with a kind of following device of selection on heat storage：
A thermal expansion mechanism is provided with A, heat storage, can be after the temperature that temperature reaches setting, thermal expansion volume expansion；
A temperature switch is provided with B, heat storage, temperature switch controls a spring mechanism, and spring mechanism is in design temperature
After opening, the temperature switch of spring mechanism control is opened；
Valve or nozzle are provided with C, heat storage, material can be discharged in the external effluent of accumulation of heat from accumulation of heat body；
D, be provided with heat storage attachment means for being connected with each other or being connected with other devices or on heat storage plus
Work has recessed or/and convex portion position；
Recessed or/and convex portion position between E, two heat storages may be constructed a passage；Circulated for gas or liquid.
2. a kind of heat storage for reclaiming kiln heat energy according to claim 1, is characterized in that：Heat storage is selected under
Arrange a kind of structure：
A, multilayer heat storage：At least it is made up of two layers of heat storage, the second layer is located at outside ground floor, and the second layer is completely by first
Layer is wrapped in the second layer；
B, multi-section heat storage：Heat storage is divided into some, the material of at least one portion and the material of another part
Material is differed；
C, multi-section multilayer heat storage：At least it is made up of two layers of heat storage, the second layer is located at outside ground floor, the second layer completely will
Ground floor is wrapped in the second layer, and each layer of heat storage is divided into some, the material of at least one portion and another portion
The material of the material for dividing is differed.
3. a kind of heat storage for reclaiming kiln heat energy according to claim 1, is characterized in that：The outside shape of heat storage
Shape, internal cavities shape, multilayer shape, the shape of manifold each part, select following a kind of or its combination：Spheroid, circle
Shape, polygon, rhombus, sector, 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, can be used between particle being attached, screen, transport.
5. a kind of using method for reclaiming the heat storage of kiln heat energy, is characterized in that：First by described in claim 1-4
Arbitrary heat storage mixed with kiln effluent in kiln exit, make the heat storage and kiln effluent carry out heat energy
Exchange, after the heat storage reaches design temperature, heat storage is separated with effluent, then using heat storage heat exchanger
Exchanged heat, realize the recovery of heat energy and utilize, heat storage can be reclaimed 30-1200 degree kiln effluent heat energy.
6. a kind of using method for reclaiming the heat storage of kiln heat energy according to claim 5, is characterized in that：Using
Following method is separated storage heater with effluent：
A, using on heat storage arrange thermal expansion mechanism, can be after the temperature that temperature reaches setting, thermal expansion volume expansion, from discharge
Separate in thing；
The temperature switch that B, employing are arranged in heat storage, temperature switch controls a spring mechanism, and spring mechanism is in design temperature
After opening, the temperature switch of spring mechanism control is opened, and heat storage is separated from effluent；
C, employing are provided with the attachment means for being connected with each other or being connected with other devices or in heat storage on heat storage
On be machined with recessed or/and convex portion position, heat storage is utilized into attachment means, heat storage is separated from effluent；
D, using on heat storage arrange magnetic material, heat storage is separated from effluent；
E, solid-liquid separating equipment is adopted, heat storage is separated from effluent.
7. a kind of using method for reclaiming the heat storage of kiln heat energy according to claim 5, is characterized in that：Using
Heat storage heat exchanger be selected from following one kind：
A, storage heater is placed in a container, container is provided with import and outlet, fluid is flowed through into storage from after import entrance
Hot body, fluid flows out from outlet, realizes the heat exchange with storage heater；
B, storage heater is placed in a shell-and-tube heat exchanger, realizes exchanging heat using shell-and-tube heat exchanger.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104654857A CN104654857A (en) | 2015-05-27 |
| CN104654857B true CN104654857B (en) | 2017-05-17 |
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ID=53246271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310572916.XA Expired - Fee Related CN104654857B (en) | 2013-11-17 | 2013-11-17 | Heat accumulator for recovering kiln heat energy and application method thereof |
Country Status (1)
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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 | Shock-resistant high-temperature oxidation-resistant honeycomb heat accumulator |
| 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 accumulator with oxidation-resistant surface layer |
| 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 | Shock-resistant high-temperature oxidation-resistant honeycomb heat accumulator |
| CN101315258A (en) * | 2008-05-19 | 2008-12-03 | 北京高瞻科技有限公司 | Metal honeycomb heat accumulator with oxidation-resistant surface layer |
| 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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| Publication number | Publication date |
|---|---|
| CN104654857A (en) | 2015-05-27 |
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