CN216898399U - Electric arc furnace surface heat conversion device based on thermoelectric generation - Google Patents
Electric arc furnace surface heat conversion device based on thermoelectric generation Download PDFInfo
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- CN216898399U CN216898399U CN202220535520.2U CN202220535520U CN216898399U CN 216898399 U CN216898399 U CN 216898399U CN 202220535520 U CN202220535520 U CN 202220535520U CN 216898399 U CN216898399 U CN 216898399U
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Abstract
An electric arc furnace surface heat conversion device based on thermoelectric generation comprises a shell, a thermoelectric generation partition, a cold water source, a water pump, a hot water storage tank and an energy storage battery; the shell adopts a circular structure and is fixedly sleeved on the outer surface of the electric arc furnace; the thermoelectric generation partition adopts a circular structure, is concentrically arranged in the shell and divides an annular inner cavity of the shell into a cold water annular cavity and a hot water annular cavity; the cold water annular cavity is positioned at the outer side, and the hot water annular cavity is positioned at the inner side and is adjacent to the outer surface of the electric arc furnace; the temperature difference power generation partition is provided with an inter-annular-cavity water passing channel, and the cold water annular cavity is communicated with the hot water annular cavity through the inter-annular-cavity water passing channel; a water inlet is arranged on the shell corresponding to the cold water annular cavity; a water outlet is arranged on the hot water annular cavity corresponding to the shell; the water inlet of the water pump is communicated with the cold water source, and the water outlet of the water pump is communicated with the water inlet on the shell; a water outlet on the shell is communicated with a hot water storage tank; and the power transmission end of the thermoelectric generation partition is electrically connected with the energy storage battery through a lead.
Description
Technical Field
The utility model belongs to the technical field of power generation equipment, and particularly relates to an electric arc furnace surface heat conversion device based on thermoelectric power generation.
Background
In industrial production, the electric arc furnace is not opened for smelting ore, and belongs to high energy consumption equipment, and energy loss is very serious in the operation process of the electric arc furnace, the energy loss is mainly reflected in heat dissipation on the surface of the electric arc furnace, and a large amount of heat dissipation not only causes energy waste, but also causes heat pollution to the working environment in the heat dissipation process, so that health problems can easily occur to workers in the heat pollution environment.
At present, in order to avoid the health problem of workers due to thermal pollution, the conventional method is to reduce the stay time of the workers in the thermal pollution environment as much as possible, but the method is not radical, and after the electric arc furnace is closed, the high residual heat on the surface of the electric arc furnace still needs to last for a long time to be naturally cooled, so that the proper temperature environment cannot be achieved for a long time after the electric arc furnace is closed.
In addition, in order to improve staff's operating condition in the electric arc furnace workshop for some, for several powerful fans of installation in the workshop, take away the heat dissipation on electric arc furnace surface through the wind mobile attitude that the fan formed, though this kind of cooling mode that utilizes the fan can improve the high temperature condition to a certain extent, nevertheless the staff is in the strong wind environment for a long time, its body feels the comfort level and also can further reduce, and fan cooling mode needs extra consumption electric energy moreover, and this just leads to the high energy consumption condition can further worsen.
Therefore, in order to solve the problem of thermal pollution of the working environment caused by the surface heat dissipation of the electric arc furnace and solve the problem of energy waste caused by heat dissipation, the research and development of a technology capable of recycling the surface heat dissipation of the electric arc furnace is imperative.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides the electric arc furnace surface heat conversion device based on thermoelectric generation, which can recycle the heat dissipated from the surface of the electric arc furnace, particularly convert the heat dissipated from the surface of the electric arc furnace into electric energy for storage and recovery, avoid the waste of energy, and can feed the recovered electric energy back to the industrial production, thereby effectively reducing the production cost; meanwhile, in the process of converting the heat dissipated from the surface of the electric arc furnace, the heat radiation intensity of the surface of the electric arc furnace to the working environment is effectively reduced, the temperature distribution in the working environment is improved, and the health problem of workers due to overhigh environmental temperature is avoided; in addition, in the process of converting the heat dissipated from the surface of the electric arc furnace, high-temperature hot water can be generated, and the high-temperature hot water can be used for heating or daily use, so that the further utilization of the heat dissipated from the surface of the electric arc furnace is realized.
In order to achieve the purpose, the utility model adopts the following technical scheme: an electric arc furnace surface heat conversion device based on thermoelectric generation comprises a shell, a thermoelectric generation partition, a cold water source, a water pump, a hot water storage tank and an energy storage battery; the shell is of a circular structure and fixedly sleeved on the outer surface of the electric arc furnace; the thermoelectric generation partition adopts a circular structure, is concentrically arranged in the shell, and divides an annular inner cavity of the shell into two parts, namely a cold water annular cavity and a hot water annular cavity; the cold water annular cavity is positioned at the outer side, the hot water annular cavity is positioned at the inner side, and the hot water annular cavity is adjacent to the outer surface of the electric arc furnace; an inter-annular-cavity water passing channel is formed in the thermoelectric generation partition, and the cold water annular cavity and the hot water annular cavity are communicated through the inter-annular-cavity water passing channel; a water inlet is formed in the shell corresponding to the cold water annular cavity; a water outlet is formed in the shell corresponding to the hot water annular cavity; the water inlet of the water pump is communicated with a cold water source through a water pipe, and the water outlet of the water pump is communicated with the water inlet on the shell through a water pipe; a water outlet on the shell is communicated with a hot water storage tank through a water pipe; and the power transmission end of the thermoelectric generation partition is electrically connected with the energy storage battery through a lead.
The water inlet on the shell and the water passing channel between the annular cavities form a phase angle of 180 degrees.
The water outlet on the shell and the water passing channel between the annular cavities form a phase angle of 180 degrees.
And a plurality of thermoelectric generation sheets are hermetically embedded in the thermoelectric generation partition.
A plurality of thermoelectric generation pieces set up along the circumferencial direction equipartition.
And the plurality of thermoelectric generation pieces are electrically connected in series.
And the cold end of the thermoelectric generation piece is externally connected with a heat exchange fin.
The heat exchange fin strip penetrates out of the thermoelectric generation partition base body and extends into the cold water annular cavity.
The number of the electric arc furnace surface heat conversion devices based on thermoelectric power generation is at least one.
When the quantity of electric arc furnace surface heat conversion device based on thermoelectric generation be a plurality of, a plurality of electric arc furnace surface heat conversion device based on thermoelectric generation along electric arc furnace axial interval equipartition setting.
The utility model has the beneficial effects that:
the electric arc furnace surface heat conversion device based on thermoelectric generation can recycle heat dissipated from the surface of the electric arc furnace, particularly can convert the heat dissipated from the surface of the electric arc furnace into electric energy for storage and recovery, avoids energy waste, can feed the recovered electric energy back to industrial production, and can effectively reduce production cost; meanwhile, in the process of converting the heat dissipated from the surface of the electric arc furnace, the heat radiation intensity of the surface of the electric arc furnace to the working environment is effectively reduced, the temperature distribution in the working environment is improved, and the health problem of workers due to overhigh environmental temperature is avoided; in addition, in the process of converting the heat dissipated from the surface of the electric arc furnace, high-temperature hot water can be generated, and the high-temperature hot water can be used for heating or daily use, so that the further utilization of the heat dissipated from the surface of the electric arc furnace is realized.
Drawings
FIG. 1 is a schematic structural diagram of an electric arc furnace surface heat conversion device (partially sectioned in a forward direction) based on thermoelectric power generation of the present invention;
FIG. 2 is a schematic structural diagram of an electric arc furnace surface heat conversion device (with a partial sectional view from top) based on thermoelectric power generation according to the present invention;
FIG. 3 is an enlarged view of portion I of FIG. 1;
FIG. 4 is an enlarged view of section II of FIG. 2;
in the figure, 1-shell, 2-thermoelectric generation partition, 3-electric arc furnace, 4-cold water annular cavity, 5-hot water annular cavity, 6-water passing channel between annular cavities, 7-water inlet, 8-water outlet, 9-thermoelectric generation piece and 10-heat exchange fin.
Detailed Description
The utility model is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 4, an electric arc furnace surface heat conversion device based on thermoelectric power generation comprises a shell 1, a thermoelectric power generation partition 2, a cold water source, a water pump, a hot water storage tank and an energy storage battery; the shell 1 is of a circular structure, and the shell 1 is fixedly sleeved on the outer surface of the electric arc furnace 3; the thermoelectric generation partition 2 is of a circular structure, the thermoelectric generation partition 2 is concentrically arranged in the shell 1, and an annular inner cavity of the shell 1 is divided into two parts, namely a cold water annular cavity 4 and a hot water annular cavity 5, through the thermoelectric generation partition 2; the cold water annular cavity 4 is positioned at the outer side, the hot water annular cavity 5 is positioned at the inner side, and the hot water annular cavity 5 is adjacent to the outer surface of the electric arc furnace 3; an inter-annular-cavity water passing channel 6 is formed in the thermoelectric generation partition 2, and the cold water annular cavity 4 is communicated with the hot water annular cavity 5 through the inter-annular-cavity water passing channel 6; a water inlet 7 is arranged on the shell 1 corresponding to the cold water annular cavity 4; a water outlet 8 is arranged on the shell 1 corresponding to the hot water ring cavity 5; the water inlet of the water pump is communicated with a cold water source through a water pipe, and the water outlet of the water pump is communicated with the water inlet 7 on the shell 1 through a water pipe; a water outlet 8 on the shell 1 is communicated with a hot water storage tank through a water pipe; and the power transmission end of the thermoelectric generation partition 2 is electrically connected with the energy storage battery through a lead.
A water inlet 7 on the shell 1 and a water passing channel 6 between the annular cavities form a phase angle of 180 degrees.
A water outlet 8 on the shell 1 and the water passing channel 6 between the annular cavities form a phase angle of 180 degrees.
A plurality of thermoelectric generation pieces 9 are embedded in the thermoelectric generation partition 2 in a sealing way.
A plurality of thermoelectric generation pieces 9 are uniformly distributed along the circumferential direction.
And the plurality of thermoelectric generation pieces 9 are electrically connected in series.
And a cold end of the thermoelectric generation piece 9 is externally connected with a heat exchange fin strip 10.
The heat exchange fin strip 10 penetrates out of the temperature difference power generation partition 2 and extends into the cold water annular cavity 4.
The number of the electric arc furnace surface heat conversion devices based on thermoelectric power generation is at least one.
When the quantity of electric arc furnace surface heat conversion device based on thermoelectric generation be a plurality of, a plurality of electric arc furnace surface heat conversion device based on thermoelectric generation along 3 axial interval equipartitions of electric arc furnace set up.
The one-time use process of the present invention is described below with reference to the accompanying drawings:
when heat dissipated from the surface of the electric arc furnace needs to be converted, firstly, the water pump is started, under the pumping action of the water pump, cold water of a cold water source flows into the cold water annular cavity 4 through the water pump and the water pipe and the water inlet 7 on the shell 1, then flows along the cold water annular cavity 4, when the cold water flows to the opposite side, the cold water enters the hot water annular cavity 5 through the water passage 6 between the annular cavities, because the hot water annular cavity 5 is directly adjacent to the outer surface of the electric arc furnace 3 with high temperature, the cold water is contacted with the outer surface of the electric arc furnace 3 with high temperature at the moment of entering the hot water annular cavity 5 and exchanges heat, the temperature of the cold water is increased to hot water, then the hot water flows along the hot water annular cavity 5, the hot water is continuously heated by the outer surface of the electric arc furnace 3 with high temperature in the flowing process of the hot water annular cavity 5, when the hot water flows to the opposite side, the hot water flows out through the water outlet 8 on the shell 1, and the temperature of the hot water reaches the highest, finally, the hot water flowing out flows into the hot water storage tank through the water pipe to be stored, and the hot water in the hot water storage tank can be used for heating or daily use, so that the hot water cost of enterprises is saved to a certain extent.
In the process that cold water flows through the cold water annular cavity 4, because the heat exchange fin strip 10 externally connected with the cold end of the thermoelectric generation sheet 9 in the thermoelectric generation partition 2 extends into the cold water annular cavity 4, the temperature of the cold water can be quickly acted on the cold end of the thermoelectric generation sheet 9 through the heat exchange fin strip 10; meanwhile, in the process that hot water flows through the hot water annular cavity 5, the hot temperature of the hot water can be quickly applied to the hot end of the thermoelectric generation piece 9, an obvious temperature difference can be formed between the cold end and the hot end of the thermoelectric generation piece 9 at the moment, the thermoelectric generation piece 9 can continuously generate electric energy due to the formation of the temperature difference, the electric energy can be continuously transmitted to the energy storage battery through a conducting wire, and finally the electric energy is stored by the energy storage battery, so that the energy recovery is realized.
For the energy storage battery, other electric equipment in a workshop can be supplied with power according to actual needs, and the electric energy can also be fed back to industrial production, and the part of recovered electric energy can replace corresponding share of industrial electricity, so that considerable electricity consumption cost is saved for enterprises, and the production cost of the enterprises is reduced.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides an electric arc furnace surface heat conversion equipment based on thermoelectric generation which characterized in that: the thermoelectric power generation device comprises a shell, a thermoelectric power generation partition, a cold water source, a water pump, a hot water storage tank and an energy storage battery; the shell is of a circular structure and fixedly sleeved on the outer surface of the electric arc furnace; the thermoelectric generation partition adopts a circular structure, is concentrically arranged in the shell, and divides an annular inner cavity of the shell into two parts, namely a cold water annular cavity and a hot water annular cavity; the cold water annular cavity is positioned at the outer side, the hot water annular cavity is positioned at the inner side, and the hot water annular cavity is adjacent to the outer surface of the electric arc furnace; an inter-annular-cavity water passing channel is formed in the thermoelectric generation partition, and the cold water annular cavity and the hot water annular cavity are communicated through the inter-annular-cavity water passing channel; a water inlet is formed in the shell corresponding to the cold water annular cavity; a water outlet is formed in the shell corresponding to the hot water annular cavity; the water inlet of the water pump is communicated with a cold water source through a water pipe, and the water outlet of the water pump is communicated with the water inlet on the shell through a water pipe; a water outlet on the shell is communicated with a hot water storage tank through a water pipe; and the power transmission end of the thermoelectric generation partition is electrically connected with the energy storage battery through a lead.
2. The device for converting surface heat of the electric arc furnace based on thermoelectric power generation as claimed in claim 1, wherein: the water inlet on the shell and the water passing channel between the annular cavities form a phase angle of 180 degrees.
3. The device for converting surface heat of the electric arc furnace based on thermoelectric power generation as claimed in claim 1, wherein: the water outlet on the shell and the water passing channel between the annular cavities form a phase angle of 180 degrees.
4. The device for converting surface heat of the electric arc furnace based on thermoelectric power generation as claimed in claim 1, wherein: and a plurality of thermoelectric generation sheets are hermetically embedded in the thermoelectric generation partition.
5. The device for converting surface heat of the electric arc furnace based on thermoelectric power generation as claimed in claim 4, wherein: a plurality of thermoelectric generation pieces set up along the circumferencial direction equipartition.
6. The device for converting surface heat of the electric arc furnace based on thermoelectric power generation as claimed in claim 4, wherein: and the plurality of thermoelectric generation pieces are electrically connected in series.
7. The device for converting surface heat of the electric arc furnace based on thermoelectric power generation as claimed in claim 4, wherein: and the cold end of the thermoelectric generation piece is externally connected with a heat exchange fin.
8. The device for converting surface heat of the electric arc furnace based on thermoelectric power generation as claimed in claim 7, wherein: the heat exchange fin strip penetrates out of the thermoelectric generation partition base body and extends into the cold water annular cavity.
9. The device for converting surface heat of the electric arc furnace based on thermoelectric power generation as claimed in claim 1, wherein: the number of the electric arc furnace surface heat conversion devices based on thermoelectric power generation is at least one.
10. The thermoelectric power generation-based electric arc furnace surface heat conversion device of claim 9, wherein: when the quantity of electric arc furnace surface heat conversion device based on thermoelectric generation be a plurality of, a plurality of electric arc furnace surface heat conversion devices based on thermoelectric generation set up along electric arc furnace axial interval equipartition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220535520.2U CN216898399U (en) | 2022-03-11 | 2022-03-11 | Electric arc furnace surface heat conversion device based on thermoelectric generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220535520.2U CN216898399U (en) | 2022-03-11 | 2022-03-11 | Electric arc furnace surface heat conversion device based on thermoelectric generation |
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| CN216898399U true CN216898399U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220535520.2U Active CN216898399U (en) | 2022-03-11 | 2022-03-11 | Electric arc furnace surface heat conversion device based on thermoelectric generation |
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| CN (1) | CN216898399U (en) |
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- 2022-03-11 CN CN202220535520.2U patent/CN216898399U/en active Active
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