CN210765158U - Thermal power plant and high-temperature coal coking furnace coupling system - Google Patents
Thermal power plant and high-temperature coal coking furnace coupling system Download PDFInfo
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- CN210765158U CN210765158U CN201921941431.2U CN201921941431U CN210765158U CN 210765158 U CN210765158 U CN 210765158U CN 201921941431 U CN201921941431 U CN 201921941431U CN 210765158 U CN210765158 U CN 210765158U
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Abstract
The utility model discloses a coupling system of a thermal power plant and a high-temperature coal coking furnace, which comprises a power station boiler and a high-temperature coal coking device, wherein the high-temperature coal coking device comprises a coal gas purification and separation device, the high-temperature coal coking furnace, a coke quenching device and a combustion chamber; any one or more of a combustion chamber, a power station boiler and a peak regulation electric heating device of a thermal power plant provides high-temperature flue gas or electric heat energy for the high-temperature coal coking furnace as a heating heat source; a raw gas outlet of the high-temperature coal coking furnace is communicated with an inlet of the gas purification and separation device, a tail gas outlet is communicated with the tail part of a flue of the power station boiler, and a coke outlet is communicated with the coke quenching device; the gas purification and separation device is used for purifying and separating tar and clean gas in the raw coke oven gas. The utility model discloses a set up high temperature coal coking device in thermal power plant, realize high temperature coal coking device and thermal power plant's organic combination, promote boiler burning quality and efficiency, guarantee power plant boiler low-load steady operation, strengthen thermal power plant's degree of depth peak regulation ability.
Description
Technical Field
The utility model relates to a coal pyrolysis coking technical field, concretely relates to system of thermal power plant and high temperature coal coking furnace coupling.
Background
With the development of the technology, the coking of coal has become lower in cost and more environment-friendly. China is the largest coke producing country in the world, the yield accounts for more than 50% of the total world production, and as a global coke coal major country, the coal coking technology of China is mature. The coal coking mainly aims at producing chemical products with high added value, and the development of the coal coking plays a decisive role in the development of some attached industries, and has very important significance. The development of coal coking is going to low cost and high environmental protection, and along with the long-term development of coking technology, various novel coking processes, such as tamping coking technology, selective crushing technology, coal moisture control technology and the like, are developed rapidly.
Coal coking is also called high-temperature dry distillation of coal. Coal is used as raw material, heated to about 950 ℃ under the condition of air isolation, and subjected to high-temperature dry distillation to produce coke, and meanwhile, coal gas and coal tar are obtained, and other chemical products are recovered. In the existing large-sized coal pyrolysis process, a large amount of energy consumption and pollutant emission exist, a large amount of heat value of coal or afterburning gas needs to be consumed in the coal pyrolysis process, and the treatment cost of pollutants such as flue gas and waste water is high.
The quality of coal entering a power station boiler is reduced year by year due to the rising of coal price in recent years in a conventional coal-fired thermal power plant, so that the combustion efficiency and the boiler efficiency of a coal-fired boiler are reduced. In addition, with the increase of the power generation proportion of renewable energy sources, more and more thermal power stations face a long-time low-load peak-shaving operation state, and the existing power station boiler is difficult to perform stable low-load operation with high economical efficiency. Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a system of thermal power plant and high temperature coal coking furnace coupling, through set up high temperature coal coking device in thermal power plant, realize high temperature coal coking device and thermal power plant's organic combination, promote boiler burning quality and efficiency, guarantee power plant boiler low-load steady operation, strengthen thermal power plant's degree of depth peak regulation ability.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a coupling system of a thermal power plant and a high-temperature coal coking furnace comprises a power station boiler and a high-temperature coal coking device, wherein the high-temperature coal coking device comprises a coal gas purification and separation device, the high-temperature coal coking furnace, a coke quenching device and a combustion chamber; the high-temperature coal coking furnace is respectively connected with a combustion chamber and a power station boiler, and any one or more of the combustion chamber, the power station boiler and the peak-shaving electric heating device of the thermal power plant provides high-temperature flue gas or electric heat energy for the high-temperature coal coking furnace as a heating heat source; a raw gas outlet of the high-temperature coal coking furnace is communicated with an inlet of the gas purification and separation device, a tail gas outlet is communicated with the tail part of a flue of the power station boiler, and a coke outlet is communicated with the coke quenching device; the coal gas purification and separation device is used for purifying and separating tar and clean coal gas in the raw coke oven gas; the coke outlet of the coke quenching device is communicated with one or two of the power station boiler and the coke storage device, the tar outlet of the gas purification and separation device is communicated with one or two of the power station boiler or the tar storage device, and the gas outlet of the gas purification and separation device is communicated with one or two of the power station boiler or the gas storage device.
Furthermore, the combustion chamber comprises a gas combustion chamber, and a gas outlet of the gas purification and separation device is communicated with a gas inlet of the gas combustion chamber; and a high-temperature flue gas outlet of the coal gas combustion chamber is communicated with the high-temperature coal coking furnace and is used for providing high-temperature flue gas as a heating heat source for the high-temperature coal coking furnace.
Furthermore, the high-temperature coal coking device also comprises a heat exchanger, wherein an inlet of a heat medium pipeline of the heat exchanger is communicated with the crude gas outlet, and an outlet of the heat medium pipeline is communicated with an inlet of the gas purification and separation device; the inlet of the refrigerant pipeline of the heat exchanger is communicated with a cooling water pipeline of the thermal power plant, and the outlet of the refrigerant pipeline is communicated with a steam-water circulating system of the thermal power plant.
Further, the thermal power plant and high-temperature coal coking furnace coupling system further comprises a coal mill, wherein the coal mill is used for receiving the crude coke output by the coke quenching device, independently grinding the crude coke into coke powder or mixing the crude coke and raw coal into coke coal mixed powder, and outputting the coke powder or the coke coal mixed powder to the power plant boiler as fuel.
Furthermore, the combustion chamber comprises a pulverized coal combustion chamber, and the coal mill outputs the coke powder or coke-coal mixed powder to the pulverized coal combustion chamber; and a high-temperature flue gas outlet of the pulverized coal combustion chamber is communicated with the high-temperature coal coking furnace and is used for providing high-temperature flue gas as a heating heat source for the high-temperature coal coking furnace.
Further, the high-temperature coal coking furnace adopts an external heating type coking furnace or an internal heating type coking furnace.
Further, the high-temperature coal coking device is arranged adjacent to the power station boiler, high-temperature flue gas of the power station boiler is communicated with a high-temperature flue gas inlet of the high-temperature coal coking furnace through a high-temperature-resistant working medium pipe, and a tail gas outlet of the high-temperature coal coking furnace is communicated with the tail part of a flue of the power station boiler through a draught fan and the high-temperature-resistant working medium pipe; and the high-temperature-resistant working medium pipe is provided with a baffle plate for controlling the flow of flue gas entering the power station boiler.
Furthermore, the high-temperature-resistant working medium pipe comprises a fire-resistant layer, a supporting layer and an insulating layer, wherein the supporting layer is arranged on the inner side and/or the outer side of the fire-resistant layer; when the supporting layer is only arranged on the inner side of the fire-resistant layer, the heat-insulating layer is arranged on the outer side of the fire-resistant layer, and when the supporting layer is arranged on the outer side of the fire-resistant layer, the heat-insulating layer is arranged on the outer side of the supporting layer on the outer side.
Furthermore, the peak regulation electric heating device of the thermal power plant comprises any one or more of an electric heating pipe unit, an electromagnetic heating furnace unit, an electrode discharge heating unit and a high-voltage arc heating unit.
The beneficial effects of the utility model reside in that:
(1) the utility model discloses utilize high temperature coal coking furnace to promote the quality of raw coal, utilize the coke part to replace the coal-fired power plant boiler that gets into to burn, improved power plant boiler's combustion efficiency and furnace temperature.
(2) The utility model discloses utilize high temperature coal coking furnace and thermal power plant to combine organically to the high-efficient power plant boiler flue gas that utilizes preheats the heat source as the coking furnace, has reduced coking device's energy consumption.
(3) The thermal power plant is coupled with the high-temperature coal coking process, pollutants and smoke generated by the coking furnace are subjected to harmless treatment by using a power station boiler and other treatment facilities, and the investment of smoke treatment facilities such as desulfurization and denitrification facilities of the coking plant is saved.
(4) The utility model discloses other waste water, the waste residue that high temperature coal coking device produced at the coal coking pyrolysis in-process all can utilize the current treatment facility of thermal power plant to handle, have reduced the initial investment of project.
Drawings
Fig. 1 is a schematic diagram of a system structure according to embodiment 1 of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the present embodiment.
Example 1
The embodiment provides a coupling system of a thermal power plant and a high-temperature coal coking furnace, as shown in fig. 1, the coupling system comprises a power station boiler 1 and a high-temperature coal coking device, wherein the high-temperature coal coking device comprises a coal gas purification and separation device 2, a high-temperature coal coking furnace 3, a coke quenching device 4 and a combustion chamber 5; the high-temperature coal coking furnace is respectively connected with a combustion chamber and a power station boiler, and any one or more of the combustion chamber 5, the peak-shaving electric heating device of the thermal power plant and the power station boiler 1 provides heat for the high-temperature coal coking furnace 3; a raw gas outlet of the high-temperature coal coking furnace 3 is communicated with an inlet of the gas purification and separation device 2, a tail gas outlet is communicated with the tail part of a flue of the power station boiler 1, and a coke outlet is communicated with the coke quenching device 4; the quenching device 4 outputs coke as fuel to the utility boiler 1.
Among the above-mentioned thermal power plant and high temperature coal coking furnace coupled system, utilize high temperature coal coking furnace to promote the quality of raw coal, the coke that obtains can replace the coal-fired entering power plant boiler at least partially and burn, has improved power plant boiler's combustion efficiency and furnace temperature. In addition, the system can utilize the high-temperature flue gas of the power station boiler as a preheating heat source of coal coking, and utilize the peak shaving power and the combustion chamber as main heat sources of the coal coking, so that the energy is effectively and fully utilized, the organic combination of a thermal power plant and a high-temperature coal coking furnace is realized, the low-load stable operation of the power station boiler can be ensured, and the deep peak shaving capability of the thermal power plant is enhanced.
Further, in the present embodiment, the combustion chamber 5 and the flue of the utility boiler 1 communicate with the high-temperature flue gas inlet of the high-temperature coal coking furnace 3 and convey the high-temperature flue gas to the high-temperature coal coking furnace 3.
Further, can be with high temperature coal coking device and power boiler 1 adjacent setting, utilize high temperature resistant working medium pipe to introduce the high temperature flue gas entry of high temperature coal coking furnace with the high temperature flue gas of power boiler to utilize draught fan and high temperature resistant working medium pipe to send the flue afterbody of power boiler back to with the flue gas after the heat transfer, finally send into the flue gas processing system of thermal power plant and handle. And the high-temperature-resistant working medium pipe is provided with a baffle plate for controlling the flow of flue gas entering the power station boiler.
Furthermore, the high-temperature-resistant working medium pipe comprises a fire-resistant layer, a supporting layer and an insulating layer, wherein the supporting layer is arranged on the inner side and/or the outer side of the fire-resistant layer; when the supporting layer is only arranged on the inner side of the fire-resistant layer, the heat-insulating layer is arranged on the outer side of the fire-resistant layer, and when the supporting layer is arranged on the outer side of the fire-resistant layer, the heat-insulating layer is arranged on the outer side of the supporting layer on the outer side.
Further, in the present embodiment, the gas outlet of the gas purification and separation device 2 is communicated with the utility boiler 1, and is used for burning the utility boiler 1 as fuel. Clean coal gas obtained after raw coal gas obtained by coal coking is purified and separated is returned to participate in the combustion of the power station boiler 1, so that the coupling depth of a thermal power plant and a high-temperature coal coking device can be further deepened, and the effective utilization rate of energy is improved.
Further, in this embodiment, the combustion chamber 5 includes a gas combustion chamber, and a gas outlet of the gas purification and separation device 2 is communicated with a gas inlet of the gas combustion chamber. The high-temperature flue gas of the coal gas combustion chamber is used as a heating heat source of the high-temperature coal coking furnace, and the clean coal gas obtained by coal coking is used as the fuel of the coal gas combustion chamber, so that the coal coking has enough heat source and temperature, the energy can be further effectively utilized, and the energy consumption of the coal coking is reduced.
In practical application, the gas outlet of the gas purification and separation device 2 can be communicated with a gas storage device to store all or part of the gas for subsequent use or sale.
Furthermore, a tar outlet of the coal gas purifying and separating device 2 is communicated with a tar storage device.
The tar obtained by purifying the raw gas by the gas purification and separation device 2 can be sold to the outside and also can be used as fuel to return to participate in the combustion of a power station boiler.
Furthermore, the peak regulation electric heating device of the thermal power plant adopts any one or combination of several of an electric heating pipe unit, an electromagnetic heating furnace unit, an electrode discharge heating unit and a high-voltage arc heating unit.
Further, in this embodiment, the high-temperature coal coking device further includes a heat exchanger 7, an inlet of a heat medium pipeline of the heat exchanger 7 is communicated with the raw coke oven gas outlet, and an outlet of the heat medium pipeline is communicated with an inlet of the gas purification and separation device 2; the inlet of the refrigerant pipeline of the heat exchanger 7 is communicated with a cooling water pipeline of the thermal power plant, and the outlet of the refrigerant pipeline is communicated with a steam-water circulating system of the thermal power plant.
By utilizing the heat exchanger, the heat in the raw gas can be fully utilized, the heat in the raw gas is output to a thermal power plant, and the coupling depth of the thermal power plant and a high-temperature coal coking device is deepened.
Further, the cooling water pipeline is communicated with either one or both of a cooling water system and a condensate system of the thermal power plant.
Further, in this embodiment, the coupling system of the thermal power plant and the high-temperature coal coking furnace further includes a coal mill 8, where the coal mill 8 is configured to receive the coarse coke output by the coke quenching device 4, grind the coarse coke into coke powder alone or mix the coarse coke with raw coal to obtain a coke-coal mixed powder, and output the coke powder or the coke-coal mixed powder to the utility boiler as fuel.
In this embodiment, a multi-fuel burner 6 is disposed at the utility boiler 1, the multi-fuel burner 6 is used for burning the utility boiler 1, clean coal gas obtained by coking coal is input into a coal gas inlet of the multi-fuel burner, and an obtained coke product (specifically, coke powder or coke-coal mixed powder in this embodiment) is input into a coal powder inlet of the multi-fuel burner.
In this embodiment, the raw gas outlet of the gas purification and separation device is also communicated to the desulfurization and denitrification flue gas treatment system of the off-line power station boiler. When the instantaneous quantity of the raw gas exceeds the upper limit which can be processed by the gas purification and separation device, the raw gas can be sent to a desulfurization and denitrification flue gas treatment system of the boiler of the power plant for shutdown for purification treatment.
Furthermore, the combustion chamber 5 comprises a pulverized coal combustion chamber, and the coal mill 8 outputs the coke powder or the coke-coal mixed powder to the pulverized coal combustion chamber. Similar to a coal gas combustion chamber, the high-temperature flue gas of the coal powder combustion chamber is used as a heating heat source of the high-temperature coal coking furnace, and a coke product obtained by coal coking is used as a fuel of the coal powder combustion chamber, so that the coal coking has enough heat source and temperature, the energy can be further effectively utilized, and the energy consumption of the coal coking is reduced.
Example 2
This embodiment provides a method for using the system of embodiment 1, including the steps of:
s1, inputting raw coal into a coal pulverizing system through a coal conveying system 9 of the thermal power plant, conveying pulverized coal produced by the coal pulverizing system to a power station boiler through primary air, burning the pulverized coal by the power station boiler by using the pulverized coal as fuel, generating high-temperature steam to drive a steam turbine to drive a generator to operate, and conveying generated electric power to a power grid;
s2, introducing high-temperature flue gas generated by the power station boiler into a high-temperature coal coking furnace to preheat the high-temperature coal coking furnace, so that the temperature of a coking chamber and a combustion chamber in the high-temperature coal coking furnace reaches 500 ℃ or above;
s3, feeding the screened lump coal of the raw coal into a carbonization chamber of the high-temperature coal coking furnace through a coal conveying system 9 of the thermal power plant, and continuously heating the high-temperature coal coking furnace to 900 ℃ or above by using high-temperature flue gas obtained by combustion in the combustion chamber and at least one of peak-shaving electric heating devices of the thermal power plant as a heating heat source of the high-temperature coal coking furnace;
s4, carrying out high-temperature pyrolysis coking on lump coal in a coking chamber of the high-temperature coal coking furnace under the condition of high-temperature air isolation, and generating raw coke oven gas and high-temperature coke; conveying the generated raw gas to a gas purification and separation device for treatment to obtain clean gas and tar, and conveying high-temperature coke to a coke quenching device for coke quenching (a dry method or a wet method can be used, wherein the dry method is used for conveying primary secondary air of a power station boiler into the coke quenching device, and the wet method is used for conveying cooling water into the coke quenching device, and the source of the cooling water is a cooling water system or a condensed water system of a thermal power plant); the generated tail gas is sent back to the tail part of a flue of the power station boiler and enters a flue gas treatment system of the thermal power plant for treatment;
and S5, sending the coke after coke quenching into a power station boiler for burning or selling.
Further, in step S4, the clean coal gas is delivered to the utility boiler to be burned as fuel.
Further, in step S4, the clean coal gas is delivered to a coal gas combustion chamber in the combustion chamber for combustion, and the high temperature flue gas generated by the combustion in the coal gas combustion chamber is delivered to the high temperature coal coking furnace to provide heat for the high temperature coal coking furnace.
Further, in step S4, the raw gas is first fed into a heat medium pipeline of the heat exchanger to exchange heat energy with cooling water in a refrigerant pipeline, the cooling water is heated to become steam and is output to a steam-water circulation system of the thermal power plant, and the cooled raw gas is output to the gas purification and separation device.
Further, in step S5, the coke is pulverized into coke powder by a coal mill, or mixed with raw coal and pulverized into coke-coal mixed powder, and then sent into a boiler of an electric station for burning or sold.
Furthermore, the combustion chamber comprises a coal powder combustion chamber, the coke powder or coke coal mixed powder is also conveyed to the coal powder combustion chamber for combustion, and the generated high-temperature flue gas is conveyed to the high-temperature coal coking furnace to provide heat for the high-temperature coal coking furnace.
In the coupled system of the thermal power plant and the high-temperature coal coking furnace, the calculation formula of the heat balance of the high-temperature coal coking furnace is
QCoking furnace＝QHigh temperature flue gas+QElectric power+QGas (es)-QHeat dissipation；
QHigh temperature flue gas＝FFlue gas*Cp*(TInto-TGo out)；
QElectric power＝3600PPeak regulating power*tPeak regulation；
QGas (es)＝FGas (es)*qGas (es)；
Wherein P isPeak regulating powerThe operating power of the peak-shaving electric heating device of the thermal power plant is kW; qHigh temperature flue gasThe heat of the flue gas KJ which enters the high-temperature coal coking furnace through the high-temperature resistant working medium pipe in the power station boiler for heat exchange is used; qHeat dissipationKJ is the heat quantity dissipated outwards generated by the high-temperature coal coking furnace; qHigh-temperature coal coking furnaceKJ is the total heat absorbed by the coal coking process in the high-temperature coal coking furnace; qElectric powerKJ is the heat generated by the peak-shaving electric heating device of the thermal power plant; qGas (es)KJ is the heat generated by the combustion of the coal gas in the coal gas combustion chamber; fFlue gas、FGas (es)The flow rates of the high-temperature smoke entering the high-temperature resistant working medium pipe and the coal gas entering the coal gas combustion chamber are kg/h respectively; cpThe specific heat capacity of the high-temperature flue gas is kJ/(kg. ℃); t isInto、TGo outThe temperature before and after the high-temperature flue gas enters the high-temperature coal coking furnace is respectively DEG C; q. q.sGas (es)KJ/kg is the heat generated by the combustion of unit mass of gas; t is tPeak regulationThe operation time h of the peak-shaving electric heating device of the thermal power plant.
Various corresponding changes and modifications can be made by those skilled in the art according to the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (8)
1. A coupling system of a thermal power plant and a high-temperature coal coking furnace comprises a power station boiler and is characterized by also comprising a high-temperature coal coking device, wherein the high-temperature coal coking device comprises a coal gas purification and separation device, a high-temperature coal coking furnace, a coke quenching device and a combustion chamber; the high-temperature coal coking furnace is respectively connected with a combustion chamber and a power station boiler, and any one or more of the combustion chamber, the power station boiler and the peak-shaving electric heating device of the thermal power plant provides high-temperature flue gas or electric heat energy for the high-temperature coal coking furnace as a heating heat source; a raw gas outlet of the high-temperature coal coking furnace is communicated with an inlet of the gas purification and separation device, a tail gas outlet is communicated with the tail part of a flue of the power station boiler, and a coke outlet is communicated with the coke quenching device; the coal gas purification and separation device is used for purifying and separating tar and clean coal gas in the raw coke oven gas; the coke outlet of the coke quenching device is communicated with one or two of the power station boiler and the coke storage device, the tar outlet of the gas purification and separation device is communicated with one or two of the power station boiler or the tar storage device, and the gas outlet of the gas purification and separation device is communicated with one or two of the power station boiler or the gas storage device.
2. The coupling system of the thermal power plant and the high-temperature coal coking furnace as claimed in claim 1, wherein the combustion chamber comprises a gas combustion chamber, and a gas outlet of the gas purification and separation device is communicated with a gas inlet of the gas combustion chamber; and a high-temperature flue gas outlet of the coal gas combustion chamber is communicated with the high-temperature coal coking furnace and is used for providing high-temperature flue gas as a heating heat source for the high-temperature coal coking furnace.
3. The coupling system of the thermal power plant and the high-temperature coal coking furnace as claimed in claim 1, wherein the high-temperature coal coking unit further comprises a heat exchanger, an inlet of a heat medium pipeline of the heat exchanger is communicated with the raw coke oven gas outlet, and an outlet of the heat medium pipeline is communicated with an inlet of the gas purification and separation device; the inlet of the refrigerant pipeline of the heat exchanger is communicated with a cooling water pipeline of the thermal power plant, and the outlet of the refrigerant pipeline is communicated with a steam-water circulating system of the thermal power plant.
4. The system of claim 1, further comprising a coal mill for receiving the coarse coke output from the coke quenching device, grinding the coarse coke into coke powder alone or mixing the coarse coke with raw coal into coke-coal mixed powder, and outputting the coke powder or the coke-coal mixed powder to the utility boiler as fuel.
5. The coupling system of the thermal power plant and the high-temperature coal coking furnace as claimed in claim 4, wherein the combustion chamber comprises a pulverized coal combustion chamber, and the coal mill outputs the coke powder or the coke-coal mixed powder to the pulverized coal combustion chamber; and a high-temperature flue gas outlet of the pulverized coal combustion chamber is communicated with the high-temperature coal coking furnace and is used for providing high-temperature flue gas as a heating heat source for the high-temperature coal coking furnace.
6. The coupling system of the thermal power plant and the high-temperature coal coking furnace as claimed in claim 1, wherein the high-temperature coal coking device is arranged adjacent to the power station boiler, the high-temperature flue gas of the power station boiler is communicated with the high-temperature flue gas inlet of the high-temperature coal coking furnace through a high-temperature-resistant working medium pipe, and the tail gas outlet of the high-temperature coal coking furnace is communicated with the tail part of the flue of the power station boiler through a draught fan and the high-temperature-resistant working medium pipe; and the high-temperature-resistant working medium pipe is provided with a baffle plate for controlling the flow of flue gas entering the power station boiler.
7. The coupling system of the thermal power plant and the high-temperature coal coking furnace as claimed in claim 6, wherein the high-temperature-resistant working medium pipe comprises a fire-resistant layer, a supporting layer and an insulating layer, and the supporting layer is arranged on the inner side and/or the outer side of the fire-resistant layer; when the supporting layer is only arranged on the inner side of the fire-resistant layer, the heat-insulating layer is arranged on the outer side of the fire-resistant layer, and when the supporting layer is arranged on the outer side of the fire-resistant layer, the heat-insulating layer is arranged on the outer side of the supporting layer on the outer side.
8. The coupling system of the thermal power plant and the high-temperature coal coking furnace as claimed in claim 1, wherein the peak-shaving electric heating device of the thermal power plant comprises any one or more of an electric heating pipe unit, an electromagnetic heating furnace unit, an electrode discharge heating unit and a high-voltage arc heating unit.
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| CN110699103A (en) * | 2019-11-11 | 2020-01-17 | 赫普能源环境科技有限公司 | Coupling system and method for thermal power plant and high-temperature coal coking furnace |
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Address after: 100176 building 12, yard 18, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: HEPP Energy Environment Technology Co.,Ltd. Address before: 100176 building 12, yard 18, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee before: Hep Energy and Environment Technology Co.,Ltd. |
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