CN220769562U - Steel slag waste heat power generation device - Google Patents
Steel slag waste heat power generation device Download PDFInfo
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- CN220769562U CN220769562U CN202322219236.1U CN202322219236U CN220769562U CN 220769562 U CN220769562 U CN 220769562U CN 202322219236 U CN202322219236 U CN 202322219236U CN 220769562 U CN220769562 U CN 220769562U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 92
- 239000010959 steel Substances 0.000 title claims abstract description 92
- 239000002893 slag Substances 0.000 title claims abstract description 90
- 239000002918 waste heat Substances 0.000 title claims abstract description 75
- 238000010248 power generation Methods 0.000 title claims abstract description 48
- 238000004146 energy storage Methods 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 45
- 230000005611 electricity Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 8
- 239000000571 coke Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 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
- 238000005338 heat storage Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 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
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 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
- 230000000903 blocking effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a steel slag waste heat storage power generation device, and belongs to the technical field of steel slag power generation. The rotary cold material machine is obliquely arranged rightward, the right side of the rotary cold material machine is communicated with the upper part of the left side of a blanking bin, a roller type hot breaker, an automatic blanking device and a lifting bucket are sequentially arranged at the lower part of the blanking bin, and the other end of the lifting machine is connected with the upper part of an energy storage bin; the hot air in the blanking bin is communicated to the waste heat boiler through a primary hot air pipe connected with the upper part of the right side, the hot air in the energy storage bin is communicated to the primary hot air pipe through a secondary hot air pipe connected with the top, water in the waste heat boiler is heated by hot air to become superheated steam, and the superheated steam enters the steam turbine generator unit through a superheater pipeline at the lower side of the waste heat boiler 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, an automatic blanking device, a lifting hopper, a roller type hot breaker, a lifting machine, a secondary hot air pipe, a superheater pipeline, a steam turbine generator unit, an energy storage bin, an outer heat exchange device, an inner heat exchange device, a roller type crusher and a conveyor,
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 communicated with the upper part of the left side of a blanking bin, a roller type hot breaker, an automatic blanking device and a lifting hopper are sequentially arranged on the lower part of the blanking bin, the lifting hopper is connected with one end of a lifting machine, the other end of the lifting machine is connected with the upper part of an energy storage bin, the upper part of the energy storage bin is funnel-shaped, an inner heat exchange device and an outer heat exchange device are respectively arranged on the inner side and the outer side of the upper part of the energy storage bin, a roller type crusher, an automatic blanking device and a conveyor are sequentially arranged on the lower part of the energy storage bin, and the other side of the conveyor stretches out of the energy storage bin;
the hot air in the blanking bin is communicated with the waste heat boiler through a primary hot air pipe connected with the upper part of the right side, the hot air in the energy storage bin is communicated with the primary hot air pipe through a secondary hot air pipe connected with the top, the water in the waste heat boiler is heated by the hot air and then becomes superheated steam, and the superheated steam enters the steam turbine generator unit through a superheater pipeline at the lower side of the waste heat boiler 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 a coke punching hole is formed in a blanking bin and an energy storage bin.
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 sealing treatment is adopted among a steel slag pouring hopper, a rotary cold material machine, a blanking bin, a lifting machine, an energy storage bin and a blanking bin.
The utility model relates to a steel slag waste heat power generation device, wherein the upper part of an energy storage bin is funnel-shaped, an outer heat exchange device is arranged on the outer side of the funnel-shaped energy storage bin, and an inner heat exchange device is arranged on the upper part of the inner side of the funnel-shaped energy storage bin.
The utility model relates to a steel slag waste heat power generation device, which is characterized in that a rotary cold material machine is of a double-layer sleeve structure and is divided into an inner wall and an outer wall, a feeding port is arranged in the middle of the left inner wall of the rotary cold material machine, four cooling air inlets are symmetrically arranged between the left inner wall and the outer wall of the rotary cold material machine, and the right side of the rotary cold material machine is inserted into a blanking bin.
The utility model relates to a steel slag waste heat power generation device, which comprises a hot breaker cylinder, a water-through hollow shaft and a bearing seat, wherein two hot breaker cylinder bodies rotating inwards are arranged in the hot breaker cylinder, and the hot breaker cylinder bodies are fixed through the water-through hollow shaft and the bearing seat.
The utility model relates to a steel slag waste heat power generation device, wherein the outer heat exchange device is made of semicircular special pipes.
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 steel slag waste heat power generation device according to embodiment 1 of the present utility model;
fig. 2 is a schematic structural diagram of a roller type thermal crusher in a steel slag waste heat power generation device according to embodiment 1 of the present utility model;
fig. 3 is a front view of a rotary cold material machine in a steel slag waste heat power generation device according to embodiment 1 of the present utility model;
fig. 4 is an a-direction view of a rotary cold material machine in a steel slag waste heat power generation device according to embodiment 1 of the present utility model;
fig. 5 is a schematic structural diagram of a blanking bin in 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 coke hole; 12 is an automatic blanking device; 13 is a lifting bucket; 14 is a roller type thermal crusher; 15 is a lifter; 16 is a secondary hot air pipe; 17 is a superheater tube; 18 is a turbo generator set; 19 is an energy storage bin; 20 is an external heat exchange device; 21 is an inner heat exchange device; 22 is a roller crusher; 23 is a conveyor.
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. 1-5, 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, a draught fan, a chimney, an automatic blanking device, a lifting hopper, a roller type hot breaker, a lifting machine, a secondary hot air pipe, a superheater pipeline, a steam turbine generator unit, an energy storage bin, an outer heat exchange device, an inner heat exchange device, a roller type crusher and a conveyor,
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 communicated with the upper part of the left side of a blanking bin, a roller type hot breaker, an automatic blanking device and a lifting hopper are sequentially arranged on the lower part of the blanking bin, the lifting hopper is connected with one end of a lifting machine, the other end of the lifting machine is connected with the upper part of an energy storage bin, the upper part of the energy storage bin is funnel-shaped, an inner heat exchange device and an outer heat exchange device are respectively arranged on the inner side and the outer side of the upper part of the energy storage bin, a roller type crusher, an automatic blanking device and a conveyor are sequentially arranged on the lower part of the energy storage bin, and the other side of the conveyor stretches out of the energy storage bin;
the hot air in the blanking bin is communicated with the waste heat boiler through a primary hot air pipe connected with the upper part of the right side, the hot air in the energy storage bin is communicated with the primary hot air pipe through a secondary hot air pipe connected with the top, the water in the waste heat boiler is heated by the hot air and then becomes superheated steam, and the superheated steam enters the steam turbine generator unit through a superheater pipeline at the lower side of the waste heat boiler 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 a coke punching hole is formed in a blanking bin and an energy storage bin.
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 sealing treatment is adopted among a steel slag pouring hopper, a rotary cold material machine, a blanking bin, a lifting machine, an energy storage bin and a blanking bin.
The utility model relates to a steel slag waste heat power generation device, wherein the upper part of an energy storage bin is funnel-shaped, an outer heat exchange device is arranged on the outer side of the funnel-shaped energy storage bin, and an inner heat exchange device is arranged on the upper part of the inner side of the funnel-shaped energy storage bin. The heat exchange device is characterized in that the outer side of the heat exchange device is provided with materials, the inner side of the heat exchange device is provided with a heat conducting medium, and the heat conducting medium is mainly conductive and the radiation is secondarily.
The utility model relates to a steel slag waste heat power generation device, which is characterized in that a rotary cold material machine is of a double-layer sleeve structure and is divided into an inner wall and an outer wall, a feeding port is arranged in the middle of the left inner wall of the rotary cold material machine, four cooling air inlets are symmetrically arranged between the left inner wall and the outer wall of the rotary cold material machine, and the right side of the rotary cold material machine is inserted into a blanking bin. The rotary cold material machine can be used for iron slag with the temperature of more than 1000 ℃ and steel slag with the temperature of about 1700 ℃ and can be used for steel slag of various materials. Can cool various steel slag to an initial setting state and put into a blanking bin. The right side of the rotary cold material machine is not provided with a blocking plate, cooling air directly enters the blanking bin, and the cooling air cools the inner wall of the rotary cold material machine between the inner wall and the outer wall, and simultaneously cools steel slag in the inner wall.
The utility model relates to a steel slag waste heat power generation device, which comprises a hot breaker cylinder, a water-through hollow shaft and a bearing seat, wherein two hot breaker cylinder bodies rotating inwards are arranged in the hot breaker, and the hot breaker cylinder bodies are fixed through the water-through hollow shaft and the bearing seat. Cold water is introduced into the hollow water-introducing shaft, and the steel slag is cooled by conduction of the hot breaker cylinder in the crushing process.
The utility model relates to a steel slag waste heat power generation device, wherein the outer heat exchange device is made of semicircular special pipes.
Example 2: as shown in fig. 1-5, a steel slag waste heat power generation device, the high temperature slag process flow:
the automatic slag pouring machine 1 of the slag ladle slag basin pours liquid high-temperature steel slag into the steel slag pouring hopper 2, the liquid high-temperature steel slag flows into the rotary cold material machine 3 from the steel slag pouring hopper 2, the rotary cold material machine 3 is obliquely arranged, the liquid steel slag is rotated in the rotary cold material machine 3 to prolong the residence time of the steel slag, and the air cooling can be effectively carried out to solidify the liquid steel slag. The solidified steel slag enters a blanking bin 4, the solidified steel slag is subjected to hot breaking through a roller type hot breaker 14, the large steel slag is broken into small steel slag blocks, the small steel slag blocks enter an automatic blanking device 12 and fall into a lifting hopper 13, and the steel slag blocks are sent into an energy storage bin 19 through a lifting machine 15. The steel slag stores high-temperature heat energy at the same time. The heat extraction can be orderly and controllably carried out according to the power generation requirement through the inner heat exchange device 21 and the outer heat exchange device 20 of the energy storage bin 19, so that the real energy storage power generation is realized. The steel slag subjected to heat exchange in the energy storage bin 19 enters a roller crusher 22 and is crushed according to the requirements of a steel mill. The crushed steel slag falls into a conveyor 23 through an automatic blanking device 12, and the conveyor 23 conveys the steel slag to a designated position for loading.
And the blanking bin 4 and the energy storage bin 19 are provided with a coke punching hole 11, and the position of the coke punching hole is determined according to actual conditions.
The waste heat power generation process flow comprises the following steps:
the waste heat recovery power generation is realized by the action of an induced draft fan 9, hot air of the rotary cold material machine 3 and the blanking bin 4 passes through a primary hot air pipe 5, and hot air of the energy storage bin 19 is completely introduced into the waste heat boiler 6 through a secondary hot air pipe 16. 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 18 through the superheater pipeline 17 to generate electricity. The heat energy in the energy storage bin 19 sequentially enters the waste heat boiler 6 according to the need through the control system, so that the waste heat can be used for controllably generating electricity. 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.
The heat energy in the energy storage bin 19 sequentially enters the waste heat boiler 6 according to the need through the control system, so that the waste heat can be used for controllably generating electricity. The control system is an electric control system and is used for controlling the heat energy released during peak value to generate electricity. The electric control system with timing function can ensure the generation of electricity at peak value or required time period and can be freely set.
Example 3: as shown in fig. 1-5, an energy-saving effect and benefit analysis of a steel slag waste heat power generation device are as follows:
1. energy-saving function:
the steel slag energy storage 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
The steel slag waste heat power generation technology is used:
the generated energy can be controlled according to the requirement;
the stored heat is released to generate electricity when the peak electricity price is 1.1-1.7 yuan/degree electricity
Solves the problem that intermittent waste heat cannot generate power
2.1, the original steel slag treatment cost can be saved, and 50 yuan can be saved for each ton of steel slag;
2.2, each ton of steel slag can save 0.3 ton of water;
2.3, 55 degrees, 50 degrees, 1.1 yuan/degree electricity=55 yuan can be generated per ton of steel slag;
each ton of steel slag can create 55+50=105 yuan
2.4, greenhouse gas emission is treated at the same time, a large amount of water resources are saved, and carbon emission is reduced.
For example, an enterprise producing 3000 tons of steel slag daily saves funds every year
105 yuan 3000 ton 330 days = 1.04 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 utility model is defined by the claims appended hereto and their equivalents.
Claims (8)
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), an automatic blanking device (12), a lifting hopper (13), a roller type hot breaker (14), a lifting machine (15), a secondary hot air pipe (16), a superheater pipeline (17), a steam turbine generator unit (18), an energy storage bin (19), an outer heat exchange device (20), an inner heat exchange device (21), a roller type breaker (22) and a conveyor (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 communicated with the upper portion of the left side of the blanking bin (4), a roller type hot breaker (14), an automatic blanking device (12) and a lifting hopper (13) are sequentially arranged on the lower portion of the blanking bin (4), the lifting hopper (13) is connected with one end of a lifting machine (15), the other end of the lifting machine (15) is connected with the upper portion of an energy storage bin (19), the upper portion of the energy storage bin (19) is funnel-shaped, an inner heat exchange device (21) and an outer heat exchange device (20) are respectively arranged on the inner side and the outer side of the upper portion of the energy storage bin (19), and a roller type crusher (22), an automatic blanking device (12) and a conveyor (23) are sequentially arranged on the lower portion of the energy storage bin (19), and the other side of the conveyor (23) stretches out of the energy storage bin (19);
the hot air in the blanking bin (4) is communicated to the waste heat boiler (6) through a primary hot air pipe (5) connected with the upper part of the right side, the hot air in the energy storage bin (19) is communicated to the primary hot air pipe (5) through a secondary hot air pipe (16) connected with the top, the water 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 (18) through a superheater pipeline (17) at the lower side of the waste heat boiler (6) 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 blanking bin (4) and the energy storage bin (19) are provided with a coke punching hole (11).
3. 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.
4. The steel slag waste heat power generation device according to claim 1, wherein the steel slag pouring hopper (2) and the rotary cold material machine (3), the rotary cold material machine (3) and the blanking bin (4), the lifting machine (15) and the energy storage bin (19) and the blanking bin (4) are subjected to sealing treatment.
5. The steel slag waste heat power generation device according to claim 1, wherein the upper portion of the energy storage bin (19) is funnel-shaped, an outer heat exchange device (20) is arranged on the outer side of the funnel-shaped energy storage bin (19), and an inner heat exchange device (21) is arranged on the upper portion of the inner side of the funnel-shaped energy storage bin (19).
6. The steel slag waste heat power generation device according to claim 1, wherein the rotary cold material machine (3) is of a double-layer sleeve structure and is divided into an inner wall and an outer wall, a feeding port (3-1) is arranged in the middle of the left inner wall of the rotary cold material machine (3), four cooling air inlets (3-2) are symmetrically arranged between the left inner wall and the outer wall of the rotary cold material machine (3), and the right side of the rotary cold material machine (3) is inserted into the blanking bin (4).
7. The steel slag waste heat power generation device according to claim 1, wherein the roller type heat crusher (14) comprises a heat crusher cylinder (14-1), a water-through hollow shaft (14-2) and a bearing seat (14-3), two heat crusher cylinders (14-1) rotating inwards are arranged in the roller type heat crusher (14), and the heat crusher cylinder (14-1) is fixed through the water-through hollow shaft (14-2) and the bearing seat (14-3).
8. The steel slag waste heat power generation device according to claim 5, wherein the outer heat exchange device (20) is made of a semicircular special pipe.
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| CN202322219236.1U CN220769562U (en) | 2023-08-17 | 2023-08-17 | Steel slag waste heat power generation device |
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