CN201634775U - Generating device utilizing waste heat of heat dissipation hole of aluminum electrolysis cell - Google Patents
Generating device utilizing waste heat of heat dissipation hole of aluminum electrolysis cell Download PDFInfo
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- CN201634775U CN201634775U CN2009203112732U CN200920311273U CN201634775U CN 201634775 U CN201634775 U CN 201634775U CN 2009203112732 U CN2009203112732 U CN 2009203112732U CN 200920311273 U CN200920311273 U CN 200920311273U CN 201634775 U CN201634775 U CN 201634775U
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- heat
- louvre
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Abstract
The utility model provides a generating device utilizing waste heat of a heat dissipation hole of an aluminum electrolysis cell, which is characterized by comprising a high thermal conductive module, a temperature difference generating module, a cooling module and an electrical energy extraction and application module, wherein the high thermal conductive module is connected with a high temperature surface of the temperature difference generating module, a low temperature surface of the temperature difference generating module is connected with the cooling module, and an electrical energy output end of the temperature difference generating module is connected with the energy extraction and application module. The device can realize the effective utilization of waste heat of the heat dissipation hole of the aluminum electrolysis cell, directly converts the waste heat into electrical energy, and has the characteristics of simple structure, high reliability, environment friendliness and extensive application range.
Description
Technical field
The utility model belongs to the waste heat utilization technology field, relates to a kind of aluminium cell louvre exhaust system.
Background technology
Since the eighties in 20th century, country proposed the strategy and policy of " first developing aluminium industry ", China's aluminium industry is developed rapidly, especially enters after 21 century, and China's electrolytic aluminum annual growth surpasses 20%, output leaps to the first in the world, and electrolytic aluminum output reached 9,200,000 tons in 2006.Aluminium cell is the key equipment in the Aluminum Electrolysis Production.In recent years, along with improving constantly of aluminium electrolytic industry level, electrolyzer capacity or electric current constantly increase, and the specific heat load of electrolyzer unit surface also constantly increases, and then causes the sidepiece shell temperature to increase.Aluminum current electrolyzer sidepiece shell temperature is many about 270～300 ℃, and a large amount of waste heats is directly arranged from here in air, not only causes huge power loss, and has worsened the Working environment of potroom.
How effectively to utilize the waste heat of electrolyzer sidepiece pot shell; improve constantly effective utilization to the limited energy; realize the energy-saving and cost-reducing and environment protection of enterprise; be that China's aluminium electrolysis enterprise is developed a circular economy; create saving type enterprise; improve core competitiveness, pursue one of ecotope and the optimized major measure of economic benefit.
Waste heat to existing electrolyzer sidepiece pot shell effectively utilizes if desired, need overcome following technical problem:
1, aluminium cell louvre surface is comparatively coarse, causes generating efficiency to reduce more greatly with power generation assembly contact part thermal resistance;
2, the temperature distributing disproportionation of each louvre is even, makes the power loss of respectively organizing after power generation assembly output rating difference causes going here and there and making up;
3, the louvre surface temperature is too high, and is strict to the high temperature resistant and heat-proof quality of material;
4, the higher and thickness of electricity generation module of envrionment temperature own is less is unfavorable for heat radiation, and it is big to improve hot and cold temperature difference difficulty of power generation assembly.
The utility model content
Technical problem to be solved of the present utility model provides a kind of aluminium cell louvre exhaust system, this device can be realized the effective utilization to aluminium cell louvre used heat, used heat is directly changed into electric energy, have simple in structure, reliability is high, environmental protection, characteristics such as applied widely.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of aluminium cell louvre exhaust system is characterized in that, comprises that high heat conducting module, temperature-difference power generation module, refrigerating module and electric energy draw and application module; The high temperature face of high heat conducting module and temperature-difference power generation module is joined, and the low temperature face and the refrigerating module of temperature-difference power generation module join, and the electric energy output end of temperature-difference power generation module and described electric energy are drawn with application module and joined.
Described high heat conducting module is formed by metal material layer, high temperature resistant heat insulation material layer and heat-resistant fireproof insulation material layer closed assembly.
Effective heat-conducting area of temperature-difference power generation module accounts for 20%～80% of aluminium cell louvre wall area.
Described aluminium cell louvre exhaust system geometrical dimension is: long between 100～450mm, wide between 80～300mm, high between 80～300mm.
High heat conducting module by thermal conductivity greater than 200W.m
-1.K
-1Metallic substance, thermal conductivity less than 1.1W.m
-1.K
-1High temperature resistant heat insulation material, heat-resistant fireproof insulating material form.
Refrigerating module selects for use the coefficient of heat transfer greater than 15Wm
-2. ℃
-1High-density radiator, employing speed is between 3～30ms
-1Pressurized air cool off.
It is the direct current of 4.2～36V that electric energy is drawn with the application module output voltage.
The beneficial effect of utility model:
The utility model has been realized effective utilization of aluminium cell louvre used heat is directly changed into electric energy with used heat, have simple in structure, reliability is high, environmental protection, characteristics such as applied widely.Because effective utilization to the electrolyzer waste heat, the temperature field that can improve the stove inner chamber distributes, cuts down the consumption of energy, improves the shopwork environment, and the UTILIZATION OF VESIDUAL HEAT IN level that improves electrolyzer meets the developing goal requirement of " the energy-conservation and new forms of energy gordian technique " of country, has the huge social benefit.
Industry spot is carried out test-results and is shown, heating surface is 10 * 12cm
2The electric energy that produces of power generation assembly can make the electricity-saving lamp normal and stable operation of 12V, 5W, power generation assembly is covered with in 1 louvre of aluminium cell sidewall, output rating reaches 45W.For the 320kA aluminium cell, if sidewall louvre (louvre is divided into 3 layers, and every layer has 60, totally 180) and bottom land (but 60 power generation assemblys of cloth) are covered with power generation assembly, aluminium output electric energy per ton is: 45W * (180+60) * 24/2.87=90.3kWh/t.Implement after this technology 1 ton of aluminium of every every production of electrolyzer and can save 90.3 * 0.41 (electricity prices in 2008)=37.02 yuan.
Description of drawings
Fig. 1 is the utility model aluminium cell louvre exhaust system schematic diagram;
Fig. 2 is the utility model aluminium cell louvre exhaust system wiring layout;
Fig. 3 is the high heat conducting module structural representation of the utility model;
Fig. 4 is the high heat conducting module wiring layout of the utility model;
Fig. 5 is the utility model cooling module structure synoptic diagram.[the arrow indication pressurized air among the figure enters thus]
Number in the figure explanation: 11-metallic substance, 12-high temperature resistant heat insulation material, 13-heat-resistant fireproof insulating material; The 14-scatterer, 15-airduct, 16-refrigerating module, 17-temperature-difference power generation module, the high heat conducting module of 18-, 171-low temperature face, 172-high temperature face.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1:
The principle of the aluminium cell louvre exhaust system of the utility model design and assembling mode are respectively as depicted in figs. 1 and 2, it by high heat conducting module 18, thermo-electric generation mould 17, refrigerating module 16, electric energy is drawn and four of application modules part is formed, high heat conducting module 18 joins with the high temperature face 172 of temperature-difference power generation module 17, the low temperature face 171 and the refrigerating module 16 of temperature-difference power generation module 17 join, and temperature-difference power generation module 17 is drawn with application module with electric energy and joined.
High heat conducting module is made up of metallic substance 11, high temperature resistant heat insulation material 12, heat-resistant fireproof insulating material 13, its structure and assembling mode are respectively as shown in Figure 3 and Figure 4,12 and 13 are superimposed, 13 directly contact with aluminium cell heat radiation hole wall, 12 and 13 middle portion all offers the hole of placement 11,11 and 12,13 mutually setting-in fit over together, 11 is slightly outstanding so that contact better with aluminium cell heat radiation hole wall in 13 sides, 11 is concordant with 12 so that the installation refrigerating module in 12 sides.It is 236W.m that metallic substance 11 is selected thermal conductivity for use
-1.K
-1Aluminium sheet to improve collecting efficiency, be of a size of 200mmX100mmX35mm; It is 0.012W.m that heat-resistant fireproof insulating material 12 is selected thermal conductivity for use
-1.K
-1The super thermal insulation material of imitating of nanometer; It is the special high temperature-resistant flame-retardant insulating material of FBR that heat-resistant fireproof insulating material 13 is selected model for use, 380～450 ℃ of working temperatures.
For improving cooling efficiency, reduce electricity generation module huyashi-chuuka (cold chinese-style noodles) temperature, it is 25W.m that the utility model is selected the coefficient of heat transfer for use
-2. ℃
-1High-density radiator 14, be of a size of 200mmX120mmX56mm.Employing pressure is that the pressurized air of 0.5MPa speed 20m/s cools off.Cooling module structure as shown in Figure 5, metallic substance 11 and high temperature resistant heat insulation material 12 in scatterer and the high heat conducting module join, pressurized air cools off scatterer from sidepiece by the airduct E that has aperture, to reduce the temperature of scatterer, improve the temperature head between temperature-difference power generation module high temperature face and the low temperature face.
Temperature-difference power generation module 17 is selected the power generating device of TEP1-1264-1.5 and two kinds of models of TEP1-12656-0.8 for use, their size is respectively 0mmX40mmX3.4mm and 56mmX56mmX5.1mm, output voltage is (0.042 Δ T) V (Δ T is the temperature head between temperature-difference power generation module high temperature face and the low temperature face), and internal resistance is respectively 1.6 ohm and 3.2 ohm.According to the louvre structure, by series-parallel system to guarantee effective generating area, the output load power demand.Electric energy is drawn with application module and is utilized lead that the electric energy that electricity generation module sends is drawn, and uses for load by mu balanced circuit output 12V volts DS.
The geometrical dimension of electrolyzer louvre exhaust system is 350mmX260mmX260mm.
Claims (4)
1. an aluminium cell louvre exhaust system is characterized in that, comprises that high heat conducting module, temperature-difference power generation module, refrigerating module and electric energy draw and application module; The high temperature face of high heat conducting module and temperature-difference power generation module is joined, and the low temperature face and the refrigerating module of temperature-difference power generation module join, and the electric energy output end of temperature-difference power generation module and described electric energy are drawn with application module and joined.
2. aluminium cell louvre exhaust system according to claim 1 is characterized in that, described high heat conducting module is formed by metal material layer, high temperature resistant heat insulation material layer and heat-resistant fireproof insulation material layer closed assembly.
3. according to content 1 described aluminium cell louvre exhaust system, it is characterized in that effective heat-conducting area of temperature-difference power generation module accounts for 20%～80% of aluminium cell louvre wall area.
4. according to content 1 described aluminium cell louvre exhaust system, it is characterized in that described aluminium cell louvre exhaust system geometrical dimension is: long between 100～450mm, wide between 80～300mm, high between 80～300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203112732U CN201634775U (en) | 2009-09-24 | 2009-09-24 | Generating device utilizing waste heat of heat dissipation hole of aluminum electrolysis cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203112732U CN201634775U (en) | 2009-09-24 | 2009-09-24 | Generating device utilizing waste heat of heat dissipation hole of aluminum electrolysis cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201634775U true CN201634775U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203112732U Expired - Fee Related CN201634775U (en) | 2009-09-24 | 2009-09-24 | Generating device utilizing waste heat of heat dissipation hole of aluminum electrolysis cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201634775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768426A (en) * | 2016-12-22 | 2017-05-31 | 浙江维思无线网络技术有限公司 | A kind of aluminium electrolytic cell cathode temperature transducer and its installation and application |
| CN111396164A (en) * | 2020-03-18 | 2020-07-10 | 深圳大学 | System and method for recycling waste heat of side wall of electrolytic aluminum cell |
-
2009
- 2009-09-24 CN CN2009203112732U patent/CN201634775U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768426A (en) * | 2016-12-22 | 2017-05-31 | 浙江维思无线网络技术有限公司 | A kind of aluminium electrolytic cell cathode temperature transducer and its installation and application |
| CN106768426B (en) * | 2016-12-22 | 2023-11-03 | 浙江维思无线网络技术有限公司 | Cathode temperature measurement sensor of aluminum electrolysis cell and installation and use method thereof |
| CN111396164A (en) * | 2020-03-18 | 2020-07-10 | 深圳大学 | System and method for recycling waste heat of side wall of electrolytic aluminum cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20120924 |