CN106899236A - A kind of thermoelectric generating device of utilization ladle surface waste heat - Google Patents
A kind of thermoelectric generating device of utilization ladle surface waste heat Download PDFInfo
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- CN106899236A CN106899236A CN201710239376.1A CN201710239376A CN106899236A CN 106899236 A CN106899236 A CN 106899236A CN 201710239376 A CN201710239376 A CN 201710239376A CN 106899236 A CN106899236 A CN 106899236A
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- heat
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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
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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The present invention discloses a kind of thermoelectric generating device of utilization ladle surface waste heat, and the device includes protective cover, skeleton, upper thermal barrier plate, heat and power system, lower thermal barrier plate and cooling system；The skeleton is semi cylindrical type support；Protective cover is welded on skeleton；Upper thermal barrier plate, heat and power system and lower thermal barrier plate are bolted on skeleton, form semi-cylindrical shaped；Cooling system is placed in heat and power system outside；Device is two semi-cylindrical shaped compositions.The features such as technical scheme has simple structure, small volume, mechanical motion, noiselessness, such that it is able to realize the heat recovery in the confined space.
Description
Technical field
The present invention relates to field of steel metallurgy, more particularly to a kind of thermoelectric generating device of utilization ladle surface waste heat.
Background technology
In the steelmaking process of steel production, the link such as refining, transport, standing, the cast of high-temperature molten steel (1600 DEG C or so)
All carried out in ladle container, although the development of heat preservation technology reduces thermal loss to a certain extent, but due to molten steel with it is outer
The huge temperature difference of portion's environment, ladle surface still has considerable heat to be inevitably lost in environment.According to scene
Test, after molten steel is contained, ladle surface temperature is in 100-400 DEG C of temperature range.Due to by space and technology restriction, adopting
Method there is no to realize the utilization to the part of waste heat with conventional art.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of thermoelectric power generation dress of utilization ladle surface waste heat
Put, concrete technical scheme is as follows：
A kind of thermoelectric generating device of utilization ladle surface waste heat, it is characterised in that：The device include protective cover, skeleton,
Upper thermal barrier plate, heat and power system, lower thermal barrier plate and cooling system；
The skeleton is semi cylindrical type support；
The protective cover is welded on skeleton；
The upper thermal barrier plate, heat and power system and lower thermal barrier plate are bolted on skeleton, form semicircular cylinder
Shape；Heat-insulating shield Main Function is to reduce the heat that device is caused with hot-air in steel ladle gap and external environment condition exchange of cold air
Loss；
The cooling system is placed in heat and power system outside；
Described device is two semi-cylindrical shaped compositions.
A kind of thermoelectric generating device of described utilization ladle surface waste heat, its preferred scheme includes for the heat and power system
Inner side receives hot copper coin, double-deck electrothermal module, outside radiating copper coin；
The heat and power system passes through bolt presses；
The heat and power system is the multilayer platy structure parallel to ladle surface；
The double-deck electrothermal module includes insulation board, p-type and N-shaped thermoelectricity pair and conductive electrode.
A kind of thermoelectric generating device of described utilization ladle surface waste heat, its preferred scheme includes for the cooling system
Flow control valve, water-filled radiator, cooling water inlet and coolant outlet；
The water-filled radiator is close on heat and power system outside radiating copper coin；
The cooling water inlet is provided with flow control valve；
The cooling water inlet and coolant outlet connection continuous cast mold cooling circulating water supply system.
A kind of thermoelectric generating device of described utilization ladle surface waste heat, its preferred scheme is 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 act as preventing top flue gas entrainment
Dust or high temperature splash drop and sub-body heat and power system are impacted；
A kind of thermoelectric generating device of described utilization ladle surface waste heat, its preferred scheme be the upper thermal barrier plate,
Filled by fluid sealant in gap between heat and power system and lower thermal barrier plate.
A kind of thermoelectric generating device of described utilization ladle surface waste heat, its preferred scheme is the double-layer electric heating module
Received with inner side and filled by heat conductive silica gel between hot copper coin and outside radiating copper coin.Ensure its good thermal conductivity.
Cooling water is supplied using continuous cast mold cooling circulating water supply system, from without increasing extra cost.
The cylindrical structure upper and lower side internal diameter can determine according to the specific ladle size that it is matched, heat and power system height and
It determines with the distance of ladle wall according to the wall actual temp distribution of ladle side.
Operation principle of the present invention：After device is installed in the ladle four weeks for containing molten steel, the heat of ladle surface emissivity
Received by the surface that inner side in heat and power system receives hot copper coin, because copper coin has good heat conductivility, received heat
The insulation board and electrothermal module (in series by multiple thermoelectricity pair and conductive electrode) that inside is conducted in the way of heat conduction are formed
Hot junction；After water-filled radiator is passed through cooling water, the heat of hot junction conduction passes through double-deck electrothermal module and outside copper coin, then leads to
The fluid for crossing water-filled radiator is taken away, so as to form cold end.Electrothermal module produces the temperature difference in the presence of cold and hot end, due to material
Seebeck effect, partial heat energy is converted to electric energy by thermoelectric material, is exported by conductive electrode external wire and utilized.
Beneficial effects of the present invention：Technical scheme utilizes the Seebeck effect of thermoelectric material in electrothermal module,
The heat energy of receiving directly can be converted into electric energy output to utilize.Compared to conventional vapor or fluid media (medium) class cogeneration skill
Art, it has a simple structure, small volume, mechanical motion, the features such as noiselessness, more than realizing in the confined space
Recuperation of heat is utilized, and solves the current ladle surface unserviceable problem of waste heat.
This device reduces the interference that working environment works heat and power system by increasing the protective cover on top；By peace
Dress upper and lower part insulation board, the heat for reducing hot-air and external environment condition exchange of cold air in device and steel ladle gap and causing
Loss, it is ensured that the hot junction of heat and power system is maintained at a temperature higher, obtains conversion efficiency higher, is filled out using fluid sealant
Contact gap of the heat-insulating shield with heat and power system is filled, further reduces the flowing of air；Using the electrothermal module of double-decker, in work
Make to increased the quantity of thermoelectric unit, the power output of increase on the basis of area is fixed；Recirculated water uses steel in water-cooling system
The supply system of existing continuous cast mold cooling water is provided in factory's production, it is to avoid increase Extra Supply system, is reduced into
This.Corresponding component is fixed and linked using bolt arrangement, facilitates follow-up maintenance and maintenance.Using heat conductive silica gel to heat
The place that there is gap in electric module and two side copper plate contact surfaces is filled, it is ensured that its good thermal conductivity, reduces contact heat
Resistance.
Brief description of the drawings
Fig. 1 is a kind of thermoelectric generating device structural representation of utilization ladle surface waste heat；
Fig. 2 is heat and power system internal structure schematic diagram；
Fig. 3 is cooling system structure schematic diagram；
Fig. 4 is assembling structure schematic diagram.
In figure, 1 protective cover, 2 is skeleton, and 3 is upper thermal barrier plate, and 4 is heat and power system, and 5 is lower thermal barrier plate, and 6 is cooling
System, 7 receive hot copper coin for inner side, and 8 is double-deck electrothermal module, and 9 is outside radiating copper coin, and 10 is insulation board, and 11 is p-type and n
Type thermoelectricity pair, 12 is conductive electrode, and 13 is cooling water inlet, and 14 is coolant outlet, and 15 is flow control valve, and 16 dissipate for water-cooled
Hot device, 17 is ladle.
Specific embodiment
A kind of thermoelectric generating device of utilization 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 thermal barrier plate 5 and cooling system 6；
The skeleton 2 is semi cylindrical type support；
The protective cover 1 is welded on skeleton 2；
The upper thermal barrier plate 3, heat and power system 4 and lower thermal barrier plate 5 are bolted on skeleton 2, form half
Cylindrical shape；
The cooling system 6 is placed in the outside of heat and power system 4；
Described device is two semi-cylindrical shaped compositions.
The heat and power system 4 includes that inner side receives hot copper coin 7, double-deck electrothermal module 8, outside radiating copper coin 9；
The heat and power system 4 passes through bolt presses；
The heat and power system 4 is the multilayer platy structure parallel to the surface of ladle 17；
The double-deck electrothermal module 8 includes insulation board 10, p-type and N-shaped thermoelectricity to 11 and conductive electrode 12.
The cooling system 6 includes flow control valve 15, water-filled radiator 16, cooling water inlet 13 and coolant outlet
14；
The water-filled radiator 16 is close on the outside of heat and power system 4 radiating copper coin 9；
The cooling water inlet 13 is provided with flow control valve 15；
The cooling water inlet 13 and the connection continuous cast mold cooling circulating water supply system of coolant outlet 14.
The protective cover 1 is welded by angle steel and galvanized iron sheet, triangular in shape.
The upper thermal barrier plate 3, the gap between heat and power system 4 and lower thermal barrier plate 5 are filled by fluid sealant.
The double-layer electric heating module 8 and inner side receive to be filled out between hot copper coin 7 and outside radiating copper coin 9 by heat conductive silica gel
Fill.
Claims (6)
1. a kind of thermoelectric generating device of utilization 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 thermal barrier plate and cooling system；
The skeleton is semi cylindrical type support；
The protective cover is welded on skeleton；
The upper thermal barrier plate, heat and power system and lower thermal barrier plate are bolted on skeleton, form semi-cylindrical shaped；
The cooling system is placed in heat and power system outside；
Described device is two semi-cylindrical shaped compositions.
2. a kind of thermoelectric generating device of utilization ladle surface waste heat as claimed in claim 1, it is characterised in that：The thermoelectricity
System includes that inner side receives hot copper coin, double-deck electrothermal module, outside radiating copper coin；
The heat and power system passes through bolt presses；
The heat and power system is the multilayer platy structure parallel to ladle surface；
The double-deck electrothermal module includes insulation board, p-type and N-shaped thermoelectricity pair and conductive electrode.
3. a kind of thermoelectric generating device of utilization ladle surface waste heat as claimed in claim 1, it is characterised in that：The cooling
System includes flow control valve, water-filled radiator, cooling water inlet and coolant outlet；
The water-filled radiator is close on heat and power system outside radiating copper coin；
The cooling water inlet is provided with flow control valve；
The cooling water inlet and coolant outlet connection continuous cast mold cooling circulating water supply system.
4. a kind of thermoelectric generating device of utilization ladle surface waste heat as claimed in claim 1, it is characterised in that：The protection
Cover is welded by angle steel and galvanized iron sheet, triangular in shape.
5. a kind of thermoelectric generating device of utilization ladle surface waste heat as claimed in claim 1, it is characterised in that：The top
Filled by fluid sealant in gap between heat-insulating shield, heat and power system and lower thermal barrier plate.
6. a kind of thermoelectric generating device of utilization ladle surface waste heat as claimed in claim 2, it is characterised in that：The bilayer
Electrothermal module and inner side receive is filled between hot copper coin and outside radiating copper coin 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 |
|---|---|
| CN106899236A true CN106899236A (en) | 2017-06-27 |
| CN106899236B 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416550A (en) * | 2020-05-18 | 2020-07-14 | 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 for rectangular ingot blank of ultra-large extra-thick plate |
| 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 for rectangular ingot blank of ultra-large extra-thick plate |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416550A (en) * | 2020-05-18 | 2020-07-14 | 东北大学 | Thermoelectric power generation device with three layers of frameworks |
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| CN106899236B (en) | 2018-11-27 |
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