CN217677378U - Dry quenching waste heat water-electricity cogeneration system - Google Patents
Dry quenching waste heat water-electricity cogeneration system Download PDFInfo
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- CN217677378U CN217677378U CN202221405462.8U CN202221405462U CN217677378U CN 217677378 U CN217677378 U CN 217677378U CN 202221405462 U CN202221405462 U CN 202221405462U CN 217677378 U CN217677378 U CN 217677378U
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Abstract
The utility model provides a dry quenching waste heat water-electricity cogeneration system, which is characterized in that the system comprises a dry quenching device, and inert gas for absorbing heat generated in the dry quenching device is introduced into the dry quenching device; a heat recovery device for receiving the inert gas output by the dry quenching device and generating steam using heat in the inert gas; the electric energy conversion device is used for receiving the steam output by the heat recovery device, converting thermal potential energy in the steam into electric energy and generating exhaust steam; and the seawater desalination device is used for receiving the exhaust steam output by the electric energy conversion device and desalinating seawater by using waste heat in the exhaust steam. The utility model discloses can utilize the electric energy conversion device waste heat desalination sea water in the output exhaust steam produces fresh water, can effectively solve the problem of low-quality wasting of resources and coastal far-outskirt area fresh water resource lack.
Description
Technical Field
The utility model relates to a water and electricity cogeneration technology field, in particular to dry quenching waste heat water and electricity cogeneration system.
Background
The coking and smelting industry has high fresh water demand, but because of the requirement of environmental protection, coking and smelting plants are usually built in unmanned coastal suburbs, and fresh water resources are scarce. And introducing fresh water resources in coastal suburb areas requires huge capital consumption for building pipe networks, and the price of fresh water per cubic meter is high, thereby greatly increasing the production cost.
At present, exhaust steam can be generated in the coking smelting process, and the traditional exhaust steam resource is cooled by adopting a cooling tower mode, so that the exhaust steam waste heat cannot be fully utilized, the resource waste is caused, and the environmental protection requirement is not met. Therefore, the technical problems of shortage of industrial production fresh water resources in coastal and suburban areas and how to fully utilize low-quality resources are urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dry coke quenching waste heat water electricity cogeneration system can utilize the waste heat desalination sea water in the exhaust steam, produces fresh water, and then can effectively solve the problem of low-quality wasting of resources and coastal far-outskirt area fresh water resource lack.
Specifically, the utility model adopts the following technical scheme:
the utility model provides a dry quenching waste heat water-electricity cogeneration system, which comprises a dry quenching device, wherein inert gas is introduced into the dry quenching device and is used for absorbing heat generated in the dry quenching device; a heat recovery device for receiving the inert gas output by the dry quenching device and generating steam using heat in the inert gas; the electric energy conversion device is used for receiving the steam output by the heat recovery device, converting thermal potential energy in the steam into electric energy and generating exhaust steam; and the seawater desalination device is used for receiving the exhaust steam output by the electric energy conversion device and desalinating seawater by using waste heat in the exhaust steam.
Preferably, the system further comprises an electric energy storage device for storing the electric energy converted by the electric energy conversion device.
Preferably, the system further comprises a first dust remover disposed between the dry quenching device and the heat recovery device for removing dust from the inert gas output from the dry quenching device.
Preferably, the system further comprises a second dust remover, wherein the second dust remover is used for removing dust from the inert gas output by the heat recovery device and conveying the inert gas output by the heat recovery device to the dry quenching device, so that the system recycles the inert gas.
Preferably, the system further comprises a circulating fan for driving the inert gas to circulate between the dry quenching device and the heat recovery device.
Preferably, the seawater desalination device further conveys fresh water obtained by condensing the dead steam to the heat recovery device, so that the system recycles the fresh water.
Preferably, the dry quenching device comprises a dry quenching furnace.
Preferably, the heat recovery device comprises a boiler.
Preferably, the electrical energy conversion device comprises a back pressure generator set.
Preferably, the inert gas comprises nitrogen.
According to the above technical scheme, the utility model discloses following advantage and positive effect have at least:
the utility model discloses in, can utilize waste heat desalination sea water in the exhaust steam produces fresh water, not only can effectively solve the problem of low-quality wasting of resources and coastal far-outskirt area fresh water resource lack, satisfies the fresh water demand of coking smelting industry, greatly reduced manufacturing cost, accord with the environmental protection requirement, reduce discharging, carbon neutralization, carbon reaches the peak and provides new route for realizing carbon.
Drawings
Fig. 1 is a dry quenching waste heat water and electricity cogeneration system architecture diagram of an embodiment of the invention.
The reference numerals are illustrated below:
101-dry quenching device; 202-first dust remover;
103-heat recovery device; 104-an electric energy conversion device;
205 — an electrical energy storage device; 206-circulating fan;
207 — a second dust remover; 108-sea water desalination plant.
Detailed Description
Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.
Referring to fig. 1, a dry quenching waste heat water and power cogeneration system architecture diagram according to an embodiment of the present invention, wherein the system includes:
a dry quenching device 101, wherein the dry quenching device 101 may be filled with an inert gas, and the inert gas may be used to absorb heat generated in the dry quenching device 101.
A heat recovery device 103, wherein the heat recovery device 103 may be used to receive the inert gas output by the dry quenching device 101 and generate steam using heat in the inert gas.
An electric energy conversion device 104, wherein the electric energy conversion device 104 can be used for receiving the steam output by the heat recovery device 103, converting thermal potential energy in the steam into electric energy, and generating exhaust steam.
And the seawater desalination device 108, wherein the seawater desalination device 108 can be used for receiving the exhaust steam output by the electric energy conversion device 104 and desalinating seawater by using waste heat in the exhaust steam.
In one embodiment of the present invention, the dry quenching device 101 may comprise a dry quenching oven.
In an embodiment of the present invention, the heat recovery device 103 may comprise a boiler.
In an embodiment of the present invention, the electric energy conversion device 104 may include a back pressure generator set, and the back pressure generator set may include a steam turbine and a condenser.
In one embodiment of the present invention, the inert gas may include nitrogen or argon.
In an embodiment of the present invention, the seawater desalination plant 108 can be a thermal seawater desalination plant, and can further desalinate seawater by using a low-temperature multi-effect seawater desalination technology.
Specifically, in the process of desalinating seawater by using the waste heat in the exhaust steam, the exhaust steam firstly passes through a condenser, the condenser transfers the residual heat in the exhaust steam to the seawater to be desalinated, the temperature of the seawater is raised and evaporated, and then the desalinated seawater formed by evaporating steam is obtained, and meanwhile, the waste heat in the exhaust steam is absorbed by the seawater, and the temperature is reduced, so that the seawater is condensed into fresh water.
It should be noted that the seawater desalination apparatus 108 can also deliver the fresh water condensed from the dead steam to the heat recovery apparatus 103, so that the system can recycle the fresh water, which can include the fresh water condensed from the dead steam and the fresh water desalinated by the seawater desalination apparatus 108.
The utility model discloses in, this dry coke quenching waste heat water cogeneration system can utilize the waste heat desalination sea water in the exhaust steam, produces fresh water, can effectively solve the problem of low-quality wasting of resources and coastal far-outskirt area fresh water resource lack.
Further, the electric energy stored in the electric energy storage device 205 can be provided to the seawater desalination device 108 for use as a power source of the seawater desalination device 108.
In an embodiment of the present invention, the system may further include a first dust collector 202, the first dust collector 202 being disposed between the dry quenching device 101 and the heat recovery device 103, and may be used to remove dust from the inert gas output from the dry quenching device 101.
The utility model discloses in, first dust remover 202 can filter remaining dust and fine coke in the hot inert gas to avoid blockking up the pipeline.
In an embodiment of the present invention, the system may further include a second dust collector 207, and the second dust collector 207 may also be used for collecting dust from the inert gas output from the heat recovery device 103 and conveying the inert gas output from the heat recovery device 103 to the dry quenching device 101, so that the system recycles the inert gas.
Further, the system may further include a third dust remover (not shown in the figure), which is located in a coke discharging and dust removing pipeline at the bottom of the dry quenching furnace, and may be used to remove dust from the gas output from the dry quenching device 101, and reduce industrial dust pollution.
In an embodiment of the present invention, the system may further include a circulating fan 206, the circulating fan 206 is used for driving the inert gas to circulate between the dry quenching device 101 and the heat recovery device 103, and the circulating fan 206 can pressurize the inert gas to enable the inert gas to circulate.
In a concrete embodiment of the utility model, can be in putting out the stove futilely and let in inert gas, put out the stove futilely red burnt of red heat with cold inert gas carries out the heat exchange, makes inert gas can absorb most heat in the red hot red burnt, after the heat exchange hot inert gas temperature can reach 900 ℃. Then, the red hot red coke can be discharged through a coke discharge dust removal pipeline, and the hot inert gas can be dedusted by the first deduster 202 and then enters the boiler. Further, the boiler may receive the hot inert gas, and generate steam by using heat in the inert gas, where the steam may be high-pressure steam, the temperature of the hot inert gas may be reduced to 170 ℃ after passing through the boiler, and then the hot inert gas is dedusted by the second deduster 207, and after being pressurized by the circulating fan 206, the temperature may be cooled to 130 ℃, and finally, the inert gas may enter the dry quenching furnace for further recycling.
According to the above technical scheme, the utility model discloses following advantage and positive effect have at least:
the utility model discloses in, can utilize waste heat desalination sea water in the exhaust steam produces fresh water, not only can effectively solve the problem of low-quality wasting of resources and coastal far-outskirt area fresh water resource lack, satisfies the fresh water demand of coking smelting industry, greatly reduced manufacturing cost, accord with the environmental protection requirement, reduce discharging, carbon neutralization, carbon reaches the peak and provides new route for realizing carbon.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A dry quenching waste heat cogeneration system, characterized in that the system comprises:
the coke dry quenching device is filled with inert gas, and the inert gas is used for absorbing heat generated in the coke dry quenching device;
a heat recovery device for receiving the inert gas output by the dry quenching device and generating steam using heat in the inert gas;
the electric energy conversion device is used for receiving the steam output by the heat recovery device, converting thermal potential energy in the steam into electric energy and generating exhaust steam;
and the seawater desalination device is used for receiving the exhaust steam output by the electric energy conversion device and desalinating seawater by using waste heat in the exhaust steam.
2. The system of claim 1, further comprising an electrical energy storage device for storing electrical energy converted by the electrical energy conversion device.
3. The system of claim 1, further comprising a first dust separator disposed between the dry quenching device and the heat recovery device for removing dust from the inert gas output from the dry quenching device.
4. The system of claim 1, further comprising a second dust separator for removing dust from the inert gas output from the heat recovery device and delivering the inert gas output from the heat recovery device to the dry quenching device to enable the system to recycle the inert gas.
5. The system of claim 1, further comprising a circulation fan for driving the inert gas to circulate between the dry quenching device and the heat recovery device.
6. The system of claim 1, wherein the seawater desalination plant further delivers fresh water condensed from the dead steam to the heat recovery plant to allow the system to recycle the fresh water.
7. The system of claim 1, wherein the dry quenching device comprises a dry quenching furnace.
8. The system of claim 1, wherein the heat recovery device comprises a boiler.
9. The system of claim 1, wherein the electrical energy conversion device comprises a back pressure generator set.
10. The system of claim 1, wherein the inert gas comprises nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221405462.8U CN217677378U (en) | 2022-06-07 | 2022-06-07 | Dry quenching waste heat water-electricity cogeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221405462.8U CN217677378U (en) | 2022-06-07 | 2022-06-07 | Dry quenching waste heat water-electricity cogeneration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217677378U true CN217677378U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221405462.8U Active CN217677378U (en) | 2022-06-07 | 2022-06-07 | Dry quenching waste heat water-electricity cogeneration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217677378U (en) |
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2022
- 2022-06-07 CN CN202221405462.8U patent/CN217677378U/en active Active
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