CN106899236B - A kind of thermoelectric generating device using ladle surface waste heat - Google Patents
A kind of thermoelectric generating device using ladle surface waste heat Download PDFInfo
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- CN106899236B CN106899236B CN201710239376.1A CN201710239376A CN106899236B CN 106899236 B CN106899236 B CN 106899236B CN 201710239376 A CN201710239376 A CN 201710239376A CN 106899236 B CN106899236 B CN 106899236B
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- power system
- skeleton
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- thermoelectric generating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
Abstract
The present invention discloses a kind of thermoelectric generating device using ladle surface waste heat, which includes protective cover, skeleton, upper thermal barrier plate, heat and power system, lower part heat-insulating shield and cooling system；The skeleton is semi cylindrical type bracket；Protective cover is welded on skeleton；Upper thermal barrier plate, heat and power system and lower part heat-insulating shield are bolted on skeleton, form semi-cylindrical shaped；Cooling system is placed on the outside of heat and power system；Device is two semi-cylindrical shaped compositions.The features such as technical solution of the present invention has structure simple, small in size, no mechanical movement, noiseless, so as to realize heat recovery in a limited space.
Description
Technical field
The present invention relates to field of steel metallurgy, in particular to a kind of thermoelectric generating device using ladle surface waste heat.
Background technique
In the steelmaking process of steel production, the links such as refining, transport, standing, casting of high-temperature molten steel (1600 DEG C or so)
It is all carried out in ladle container, although the development of heat preservation technology reduces thermal loss to a certain extent, due to molten steel and outside
The huge temperature difference of portion's environment, ladle surface still have considerable heat to be inevitably lost in environment.According to scene
Test, after containing molten steel, ladle surface temperature is in 100-400 DEG C of temperature range.Due to adopting by space and technical restriction
It is not possible to realize the utilization to the part of waste heat with traditional technology.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of thermoelectric power generation dresses using ladle surface waste heat
It sets, specific technical solution is as follows：
A kind of thermoelectric generating device using ladle surface waste heat, it is characterised in that：The device include protective cover, skeleton,
Upper thermal barrier plate, heat and power system, lower part heat-insulating shield and cooling system；
The skeleton is semi cylindrical type bracket；
The protective cover is welded on skeleton；
The upper thermal barrier plate, heat and power system and lower part heat-insulating shield are bolted on skeleton, form semicircular cylinder
Shape；Heat-insulating shield main function is to reduce hot-air and heat caused by external environment exchange of cold air in device and steel ladle gap
Loss；
The cooling system is placed on the outside of heat and power system；
Described device is two semi-cylindrical shaped compositions.
Cooling system includes flow control valve, water-cooled radiator, cooling water inlet and cooling water outlet；
The water-cooled radiator is close on the outside of heat and power system on heat dissipation copper sheet；
The cooling water inlet is equipped with flow control valve；
The cooling water inlet connects continuous cast mold cooling cycle water supply system with cooling water outlet.
A kind of thermoelectric generating device using ladle surface waste heat, preferred embodiment are that the heat and power system includes
Inside receives hot copper sheet, the double-deck electrothermal module, outside heat dissipation copper sheet；
The heat and power system passes through bolt presses；
The heat and power system is the multilayer plate structure for being parallel to ladle surface；
The bilayer electrothermal module include insulation board, p-type and N-shaped thermoelectricity to and conductive electrode.
A kind of thermoelectric generating device using ladle surface waste heat, preferred embodiment are the protective cover by angle steel
It is welded with galvanized iron sheet, it is triangular in shape.The protective cover is located at device top, and it acts as prevent top flue gas from carrying secretly
Dust or high temperature splash, which are fallen, impacts sub-body heat and power system；
A kind of thermoelectric generating device using ladle surface waste heat, preferred embodiment be the upper thermal barrier plate,
It is filled by sealant in gap between heat and power system and lower part heat-insulating shield.
A kind of thermoelectric generating device using ladle surface waste heat, preferred embodiment are the double-deck electrothermal module
It receives with inside and is filled between hot copper sheet and outside heat dissipation copper sheet by heat conductive silica gel.Guarantee its good thermal conductivity.
Cooling water is supplied using continuous cast mold cooling cycle water supply system, to not increase extra cost.
The cylindrical structure upper and lower side internal diameter can determine according to its specific matched ladle size, heat and power system height and
It, which is distributed at a distance from ladle wall surface according to ladle side wall actual temp, determines.
Working principle of the present invention：After device is installed in the ladle four weeks for containing molten steel, the heat of ladle surface emissivity
It is received by the surface that inside in heat and power system receives hot copper sheet, since copper sheet has good heating conduction, received heat
With thermally conductive mode be conducted to internal insulation board and electrothermal module (by multiple thermoelectricity to and conductive electrode it is in series) formed
Hot end；After water-cooled radiator is passed through cooling water, the heat of hot end conduction passes through the double-deck electrothermal module and outside copper sheet, then leads to
The fluid for crossing water-cooled radiator is taken away, to form cold end.Electrothermal module generates the temperature difference under the action of hot and cold side, due to material
Seebeck effect, partial heat energy is converted to electric energy by thermoelectric material, passes through the output of conductive electrode external wire and utilizes.
Beneficial effects of the present invention：Technical solution of the present invention utilizes the Seebeck effect of thermoelectric material in electrothermal module,
The thermal energy of receiving directly can be converted to power output to utilize.Compared to conventional vapor or fluid media (medium) class cogeneration skill
Art, small in size, no mechanical movement simple with structure, it is noiseless the features such as, so as to realize in a limited space more than
Recuperation of heat utilizes, and solves the problems, such as that current ladle surface waste heat is unserviceable.
This device reduces the interference that working environment works to heat and power system by the protective cover on increase top；Pass through peace
Fill upper and lower part insulation board, reduce hot-air and external environment exchange of cold air in device and steel ladle gap and caused by heat
Loss, ensure that the hot end of heat and power system is maintained at a higher temperature, obtains higher transfer efficiency, filled out using sealant
Contact gap of the heat-insulating shield with heat and power system is filled, the flowing of air is further decreased；Using the electrothermal module of double-layer structure, in work
Make the quantity that thermoelectric unit is increased on the basis of area is fixed, the output power of increase；Recirculated water uses steel in water-cooling system
The supply system of existing continuous cast mold cooling water provides in factory's production, avoids and increases Extra Supply system, reduces into
This.Corresponding component is fixed and is linked using bolt arrangement, facilitates subsequent maintenance and maintenance.Using heat conductive silica gel to heat
There are the places in gap to be filled on electric module and two side copper plate contact surfaces, guarantees its good thermal conductivity, reduces contact heat
Resistance.
Detailed description of the invention
Fig. 1 is a kind of thermoelectric generating device structural schematic diagram using ladle surface waste heat；
Fig. 2 is heat and power system schematic diagram of internal structure；
Fig. 3 is schematic diagram of cooling system structure；
Fig. 4 is assembling structure schematic diagram.
In figure, 1 protective cover, 2 be skeleton, and 3 be upper thermal barrier plate, and 4 be heat and power system, and 5 be lower part heat-insulating shield, and 6 be cooling
System, 7 be that inside receives hot copper sheet, and 8 be the double-deck electrothermal module, and 9 be outside heat dissipation copper sheet, and 10 be insulation board, and 11 be p-type and n
Type thermoelectricity pair, 12 be conductive electrode, and 13 be cooling water inlet, and 14 be cooling water outlet, and 15 be flow control valve, and 16 dissipate for water cooling
Hot device, 17 be ladle.
Specific embodiment
A kind of thermoelectric generating device using ladle surface waste heat as Figure 1-Figure 4, it is characterised in that：The device includes
Protective cover 1, skeleton 2, upper thermal barrier plate 3, heat and power system 4, lower part heat-insulating shield 5 and cooling system 6；
The skeleton 2 is semi cylindrical type bracket；
The protective cover 1 is welded on skeleton 2；
The upper thermal barrier plate 3, heat and power system 4 and lower part heat-insulating shield 5 are bolted on skeleton 2, form half
It is cylinder-shaped；
The cooling system 6 is placed in 4 outside of heat and power system；
Described device is two semi-cylindrical shaped compositions.
The cooling system 6 includes flow control valve 15, water-cooled radiator 16, cooling water inlet 13 and cooling water outlet
14；
The water-cooled radiator 16 is close to radiate on copper sheet 9 on the outside of heat and power system 4；
The cooling water inlet 13 is equipped with flow control valve 15；
The cooling water inlet 13 and cooling water outlet 14 connect continuous cast mold cooling cycle water supply system.
The heat and power system 4 includes that inside receives hot copper sheet 7, the double-deck electrothermal module 8, outside heat dissipation copper sheet 9；
The heat and power system 4 passes through bolt presses；
The heat and power system 4 is the multilayer plate structure for being parallel to 17 surface of ladle；
The bilayer electrothermal module 8 includes insulation board 10, p-type and N-shaped thermoelectricity to 11 and conductive electrode 12.
The protective cover 1 is welded by angle steel and galvanized iron sheet, triangular in shape.
It is filled by sealant in gap between the upper thermal barrier plate 3, heat and power system 4 and lower part heat-insulating shield 5.
The bilayer electrothermal module 8 and inside, which receive, to be filled out between hot copper sheet 7 and outside heat dissipation copper sheet 9 by heat conductive silica gel
It fills.
Claims (5)
1. a kind of thermoelectric generating device using ladle surface waste heat, it is characterised in that：The device include protective cover, skeleton, on
Portion's heat-insulating shield, heat and power system, lower part heat-insulating shield and cooling system；
The skeleton is semi cylindrical type bracket；
The protective cover is welded on skeleton；
The upper thermal barrier plate, heat and power system and lower part heat-insulating shield are bolted on skeleton, form semi-cylindrical shaped；
The cooling system is placed on the outside of heat and power system；
Described device is two semi-cylindrical shaped compositions；
The cooling system includes flow control valve, water-cooled radiator, cooling water inlet and cooling water outlet；
The water-cooled radiator is close on the outside of heat and power system on heat dissipation copper sheet；
The cooling water inlet is equipped with flow control valve；
The cooling water inlet connects continuous cast mold cooling cycle water supply system with cooling water outlet.
2. a kind of thermoelectric generating device using ladle surface waste heat as described in claim 1, it is characterised in that：The thermoelectricity
System includes that inside receives hot copper sheet, the double-deck electrothermal module, outside heat dissipation copper sheet；
The heat and power system passes through bolt presses；
The heat and power system is the multilayer plate structure for being parallel to ladle surface；
The bilayer electrothermal module include insulation board, p-type and N-shaped thermoelectricity to and conductive electrode.
3. a kind of thermoelectric generating device using ladle surface waste heat as described in claim 1, it is characterised in that：The protection
Cover is welded by angle steel and galvanized iron sheet, triangular in shape.
4. a kind of thermoelectric generating device using ladle surface waste heat as described in claim 1, it is characterised in that：The top
It is filled by sealant in gap between heat-insulating shield, heat and power system and lower part heat-insulating shield.
5. a kind of thermoelectric generating device using ladle surface waste heat as claimed in claim 2, it is characterised in that：The bilayer
Electrothermal module and inside, which receive, is filled between hot copper sheet and outside heat dissipation copper sheet by heat conductive silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710239376.1A CN106899236B (en) | 2017-04-13 | 2017-04-13 | A kind of thermoelectric generating device using ladle surface waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710239376.1A CN106899236B (en) | 2017-04-13 | 2017-04-13 | A kind of thermoelectric generating device using ladle surface waste heat |
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| Publication Number | Publication Date |
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| CN106899236A CN106899236A (en) | 2017-06-27 |
| CN106899236B true CN106899236B (en) | 2018-11-27 |
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| CN201710239376.1A Active CN106899236B (en) | 2017-04-13 | 2017-04-13 | A kind of thermoelectric generating device using ladle surface waste heat |
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| CN111416550B (en) * | 2020-05-18 | 2021-10-08 | 东北大学 | Thermoelectric power generation device with three layers of frameworks |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101610046A (en) * | 2008-06-16 | 2009-12-23 | 湖南晟通科技集团有限公司 | Aluminium electrolytic heat utilization method |
| CN101791682A (en) * | 2010-04-08 | 2010-08-04 | 中冶京诚工程技术有限公司 | Manufacturing device of ultra-large type special thick plate rectangular ingotblank |
| CN103090984A (en) * | 2011-10-27 | 2013-05-08 | 中国钢铁股份有限公司 | Steel barrel wireless temperature measurement system free from external electricity and temperature measurement method thereof |
| KR20160073017A (en) * | 2014-12-16 | 2016-06-24 | 주식회사 포스코 | Apparatus for monitoring temperature of ladle |
| CN106533265A (en) * | 2017-01-12 | 2017-03-22 | 王赞 | Energy-saving device and method for thermoelectric power generation based on heat distribution pipeline |
-
2017
- 2017-04-13 CN CN201710239376.1A patent/CN106899236B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101610046A (en) * | 2008-06-16 | 2009-12-23 | 湖南晟通科技集团有限公司 | Aluminium electrolytic heat utilization method |
| CN101791682A (en) * | 2010-04-08 | 2010-08-04 | 中冶京诚工程技术有限公司 | Manufacturing device of ultra-large type special thick plate rectangular ingotblank |
| CN103090984A (en) * | 2011-10-27 | 2013-05-08 | 中国钢铁股份有限公司 | Steel barrel wireless temperature measurement system free from external electricity and temperature measurement method thereof |
| KR20160073017A (en) * | 2014-12-16 | 2016-06-24 | 주식회사 포스코 | Apparatus for monitoring temperature of ladle |
| CN106533265A (en) * | 2017-01-12 | 2017-03-22 | 王赞 | Energy-saving device and method for thermoelectric power generation based on heat distribution pipeline |
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| CN106899236A (en) | 2017-06-27 |
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