CN220687420U - Steel slag waste heat power generation device - Google Patents
Steel slag waste heat power generation device Download PDFInfo
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- CN220687420U CN220687420U CN202322212037.8U CN202322212037U CN220687420U CN 220687420 U CN220687420 U CN 220687420U CN 202322212037 U CN202322212037 U CN 202322212037U CN 220687420 U CN220687420 U CN 220687420U
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- cold material
- material machine
- waste heat
- steel slag
- power generation
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- 239000002893 slag Substances 0.000 title claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 66
- 239000010959 steel Substances 0.000 title claims abstract description 66
- 239000002918 waste heat Substances 0.000 title claims abstract description 48
- 238000010248 power generation Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 6
- 239000005431 greenhouse gas Substances 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009469 supplementation Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a steel slag waste heat power generation device, and belongs to the technical field of steel slag power generation. The left side of the rotary cold material machine is provided with a steel slag pouring hopper, the lower part of the blanking bin is provided with a roller type hot breaker and one side of the cold material machine, the other side of the cold material machine penetrates through the blanking bin and stretches into a cold material machine sealing cover, the lower part of the right side of the cold material machine is sequentially provided with a roller type breaker, an automatic blanking device and a lifting hopper, and the outlet end of the lifting hopper is connected to the upper end of a slag crushing bin through a lifting machine; the upper part of the blanking bin sends hot air into a waste heat boiler through a primary hot air pipe and the upper part of a cold material machine sealing cover through a secondary hot air pipe, water in the waste heat boiler is heated by the hot air to become superheated steam, and the superheated steam enters a steam turbine generator unit through a superheater pipeline to generate electricity. The resource utilized by the utility model is the radiant heat of the high-temperature steel slag, the waste heat recovery efficiency is high, the fuel is not required to be supplemented, the emission of greenhouse gases is solved, the self-generating power of enterprises is increased, the energy is saved, and the atmospheric pollution is reduced.
Description
Technical Field
The utility model relates to the field of steel slag power generation, in particular to a steel slag waste heat power generation device.
Background
In order to prevent the adverse effect of excessive carbon emission on global climate, the national society in the eighteen and five-way of 2015 proposes to implement the action of 'double control' of the total energy consumption and the intensity, and the 75 th united nationality in 2020 proposes the carbon peak before 2030 and the carbon neutralization target before 2060. The steel industry is a large consumer in the industrial field and is one of the industries with the greatest energy saving and emission reduction potential in China. The iron and steel industry becomes the key and difficult field of energy conservation and emission reduction in the whole society, and if the iron and steel industry achieves the effect of energy conservation and emission reduction, the iron and steel industry also makes great contribution to energy conservation and emission reduction in the whole society. The initiative of the energy revolution is mastered, and the development of energy-saving technology and the application of waste heat recovery technology become industry consensus.
The country has issued "standard conditions for production and operation in the iron and steel industry", and has made specific demands on the aspects of environmental protection, energy consumption, resource recycling, process equipment and the like of iron and steel enterprises. It is explicitly proposed that enterprises which do not have standard conditions need to be modified according to the standard conditions, and enterprises which still cannot meet the requirements after modification need to gradually exit steel production.
National environmental protection regulations are stricter, and energy conservation and emission reduction tasks are harder. In the important development direction of the steel industry, the content related to energy conservation and emission reduction occupies most of the fields.
At present, the recovery utilization rate of the waste heat and residual energy in the iron and steel industry is quite low, if the waste heat is reasonably utilized, the waste heat is utilized for heating or generating electricity through effectively recovering the heat loss in production, so that the energy sources can be saved, the running cost is reduced, the enterprise benefit is improved, the environment is protected, and the heat pollution is reduced.
Disclosure of Invention
The utility model mainly aims to provide a steel slag waste heat power generation device which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the steel slag waste heat power generation device comprises a steel slag pouring hopper, a rotary cold material machine, a blanking bin, a primary hot air pipe, a waste heat boiler, a flue, a dust remover, an induced draft fan, a chimney, a roller type hot breaker, a cold material machine, an air chamber, a secondary hot air pipe, a cold material machine sealing cover, a superheater pipeline, a steam turbine generator unit, a roller type crusher, an automatic blanking device, a lifting hopper, a lifting machine, a slag crushing bin and an automatic slag blanking hopper,
the rotary cold material machine is obliquely arranged right, a steel slag pouring hopper is arranged on the left side of the rotary cold material machine, the right side of the rotary cold material machine is connected to the upper portion of a blanking bin, a roller type hot crusher and one side of the cold material machine are sequentially arranged on the lower portion of the blanking bin, the other side of the cold material machine penetrates through the blanking bin to extend into a cold material machine sealing cover, an air chamber is arranged on the lower side of the cold material machine, a roller type crusher, an automatic blanking device and a lifting hopper are sequentially arranged on the lower portion of the right side of the cold material machine, the outlet end of the lifting hopper is connected to the upper end of a slag bin through a lifting machine, and an automatic slag dropping hopper is arranged in the slag bin;
the upper part of the blanking bin sends hot air into the waste heat boiler through a primary hot air pipe, the upper part of the cold material machine sealing cover sends hot air into the waste heat boiler through a secondary hot air pipe, water in the waste heat boiler is heated by the hot air and becomes superheated steam, and the superheated steam enters the steam turbine generator unit through a superheater pipeline to generate electricity; the flue gas of the waste heat boiler passes through the dust remover, the induced draft fan and the chimney in sequence through the right flue.
The utility model relates to a steel slag waste heat power generation device, wherein the basic position of a rotary cold material machine is highest, and other devices determine elevation according to actual working conditions.
The utility model relates to a steel slag waste heat power generation device, wherein a multi-section air chamber is arranged at the lower part of a cold material machine.
The utility model relates to a steel slag waste heat power generation device, which is characterized in that the joints between a steel slag pouring hopper and a rotary cold material machine, between the rotary cold material machine and a blanking bin and between the blanking bin and a cold material machine sealing cover are subjected to sealing treatment.
The utility model relates to a steel slag waste heat power generation device, which is characterized in that a rotary cold material machine is used for iron slag with the temperature of more than 1000 ℃ and steel slag with the temperature of about 1700 ℃.
The utility model relates to a steel slag waste heat power generation device, which is characterized in that a roller type hot breaker meets the requirements of various steel slag use.
Compared with the prior art, the utility model has the following beneficial effects: the utilized resource is the radiant heat of the high-temperature steel slag, the waste heat recovery efficiency is high, the supplementation of fuel is not needed, the emission of greenhouse gases is solved, the self-power generation of enterprises is increased, the energy is saved, and the atmospheric pollution is reduced.
Drawings
Fig. 1 is a schematic diagram of a top view shaft side structure of a steel slag waste heat power generation device according to embodiment 1 of the present utility model;
in the figure: 1 is an automatic slag pouring machine for slag ladle and slag basin; 2 is a steel slag pouring hopper; 3 is a rotary cold material machine; 4 is a blanking bin; 5 is a primary hot air pipe; 6 is a waste heat boiler; 7 is a flue; 8 is a dust remover; 9 is an induced draft fan; 10 is a chimney; 11 is a roller type thermal crusher; 12 is a cold material machine; 13 is an air chamber; 14 is a secondary hot air pipe; 15 is a cold material machine sealing cover; 16 is a superheater tube; 17 is a turbo generator set; 18 is a roller crusher; 19 is an automatic blanking device; 20 is a lift bucket; 21 is a lifter; 22 is a slag bin; and 23 is an automatic slag hopper.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: as shown in fig. 1, a steel slag waste heat power generation device, the high-temperature slag process flow is as follows:
the automatic slag pouring machine 1 of the slag ladle slag basin pours slag water into the slag pouring hopper 2, and the slag water enters the rotary cold material machine 3 from the slag pouring hopper 2. The temperature of the liquid steel slag is reduced to about 500 ℃ from above 1000 ℃ through the rotation of the rotary cold material machine 3 and the exchange of wind, and then the solid steel slag enters a blanking bin. The steel slag is crushed into small blocks in a blanking bin by a roller type hot crusher 11, and then the small blocks of steel slag are cooled by a multi-stage air chamber 13 through a cold material machine 12, so that the temperature of the steel slag is reduced to about 80 ℃. The steel slag at 80 ℃ enters a roller crusher 18 for secondary crushing so as to meet the requirement of a steel mill on the size of steel slag particles. The steel slag after secondary crushing enters an automatic blanking device 19, the steel slag is sent to a lifting hopper 20 from the automatic blanking device 19,
the steel slag in the lifting hopper 20 enters the lifting machine 21, enters the slag crushing bin 22, enters the automatic slag falling hopper 23, and is sold or buried.
The waste heat power generation process flow comprises the following steps:
the waste heat recovery power generation is realized by introducing hot air in the rotary cold material machine 3 and the blanking bin 4 into the waste heat boiler 6 through the primary hot air pipe 5 and hot air in the cold material machine 12 through the secondary hot air pipe 14 under the action of the induced draft fan 9. The water supply in the waste heat boiler 6 is heated by hot air and then becomes superheated steam, and the superheated steam enters the steam turbine generator unit 17 through the superheater pipeline 16 to generate electricity. Turbo generator sets belongs to prior art. The exhaust gas of the waste heat boiler 6 enters the dust remover 8 through the flue 7, and then enters the chimney 10 through the induced draft fan 9 through the flue 7.
Example 2: the application relates to a steel slag waste heat power generation device, which has the energy-saving effect and benefit analysis:
1. energy-saving function:
the steel slag waste heat power generation technology has the advantages that the utilized resources are radiant heat of high-temperature steel slag, the waste heat recovery efficiency is high, the supplementation of fuel is not needed, the emission of greenhouse gases is solved, the self-power generation of enterprises is increased, the energy is saved, the atmospheric pollution is reduced, the scheme accords with the national industrial policy, the environment-friendly, energy-saving and carbon emission-reducing cyclic economy waste heat power generation technology accords with the sustainable development requirement, the economic benefit is very remarkable, and the national energy conservation and emission reduction requirements of the steel industry are met.
2. Benefit analysis
Energy storage and power generation technology using steel slag
The original steel slag treatment cost can be saved, and 50 yuan can be saved for each ton of steel slag;
each ton of steel slag can save 0.3 ton of water;
50 degrees, 50 degrees 0.6 yuan/degree electricity=30 yuan can be generated per ton of steel slag;
each ton of steel slag can create 50+30=80 yuan
Meanwhile, the emission of greenhouse gases is treated, a large amount of water resources are saved, and the carbon emission is reduced.
For example, an enterprise producing 3000 tons of steel slag daily saves funds every year
80 yuan 3000 ton 330 days = 7920 ten thousand yuan
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a slag waste heat power generation facility which characterized in that: the steel slag waste heat power generation device comprises a steel slag pouring hopper (2), a rotary cold material machine (3), a blanking bin (4), a primary hot air pipe (5), a waste heat boiler (6), a flue (7), a dust remover (8), a draught fan (9), a chimney (10), a roller type hot breaker (11), a cold material machine (12), an air chamber (13), a secondary hot air pipe (14), a cold material machine sealing cover (15), a superheater pipeline (16), a turbo generator unit (17), a roller type crusher (18), an automatic blanking device (19), a lifting hopper (20), a lifting machine (21), a slag crushing bin (22) and an automatic blanking hopper (23),
the rotary cold material machine (3) is obliquely arranged right, a steel slag pouring hopper (2) is arranged on the left side of the rotary cold material machine (3), the right side of the rotary cold material machine (3) is connected to the upper portion of a blanking bin (4), a roller type hot crusher (11) and one side of a cold material machine (12) are sequentially arranged on the lower portion of the blanking bin (4), the other side of the cold material machine (12) penetrates through the blanking bin (4) to extend into a cold material machine sealing cover (15), an air chamber (13) is arranged on the lower side of the cold material machine (12), a roller type crusher (18), an automatic blanking device (19) and a lifting hopper (20) are sequentially arranged on the lower portion of the right side of the cold material machine (12), the outlet end of the lifting hopper (20) is connected to the upper end of a slag bin (22) through a lifting machine (21), and an automatic slag dropping hopper (23) is arranged in the slag bin (22);
the upper part of the blanking bin (4) sends hot air into the waste heat boiler (6) through a primary hot air pipe (5), the upper part of the cold material machine sealing cover (15) sends hot air into the waste heat boiler (6) through a secondary hot air pipe (14), water in the waste heat boiler (6) is heated by the hot air and then becomes superheated steam, and the superheated steam enters the steam turbine generator unit (17) through a superheater pipeline (16) to generate electricity; flue gas of the waste heat boiler (6) sequentially passes through a dust remover (8), an induced draft fan (9) and a chimney (10) through a flue (7) on the right side.
2. The steel slag waste heat power generation device according to claim 1, wherein the basic position of the rotary cold material machine (3) is highest, and the rest equipment determines elevation according to actual working conditions.
3. The steel slag waste heat power generation device according to claim 1, wherein a multi-stage air chamber (13) is arranged at the lower part of the cold material machine (12).
4. The steel slag waste heat power generation device according to claim 1, wherein the joints between the steel slag pouring hopper (2) and the rotary cold material machine (3), between the rotary cold material machine (3) and the blanking bin (4) and before the blanking bin (4) and the cold material machine sealing cover (15) are subjected to sealing treatment.
5. The steel slag waste heat power generation device according to claim 1, wherein the rotary cold material machine (3) is used for iron slag with the temperature of more than 1000 ℃ and steel slag with the temperature of about 1700 ℃.
6. The steel slag waste heat power generation device according to claim 1, wherein the roller type hot breaker (11) meets various steel slag uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212037.8U CN220687420U (en) | 2023-08-17 | 2023-08-17 | Steel slag waste heat power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212037.8U CN220687420U (en) | 2023-08-17 | 2023-08-17 | Steel slag waste heat power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220687420U true CN220687420U (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322212037.8U Active CN220687420U (en) | 2023-08-17 | 2023-08-17 | Steel slag waste heat power generation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN220687420U (en) |
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2023
- 2023-08-17 CN CN202322212037.8U patent/CN220687420U/en active Active
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