CN219914010U - Scrap steel recycling and preheating treatment device - Google Patents
Scrap steel recycling and preheating treatment device Download PDFInfo
- Publication number
- CN219914010U CN219914010U CN202320500528.XU CN202320500528U CN219914010U CN 219914010 U CN219914010 U CN 219914010U CN 202320500528 U CN202320500528 U CN 202320500528U CN 219914010 U CN219914010 U CN 219914010U
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- pipe
- inner shell
- preheating
- preheating box
- wall
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 238000004064 recycling Methods 0.000 title claims abstract description 12
- 238000009628 steelmaking Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Furnace Details (AREA)
Abstract
The utility model relates to a scrap steel recycling and preheating treatment device, which comprises a steel-making furnace and a preheating box, wherein the bottom of the preheating box is provided with a feed pipe connected with the steel-making furnace, the top of the steel-making furnace is provided with a heating pipe connected with the preheating box, an inner shell is arranged in the preheating box in a suspending manner, the bottom of the inner shell is provided with a support pipe extending into the discharge pipe at the bottom of the preheating box, and the support pipe in the preheating box is provided with a circle of support part; the side wall of the inner shell is uniformly provided with heat dissipation holes, the outer wall of the inner shell is provided with a circular ring which is in threaded connection with the inner wall of the preheating box, and the circular ring is axially provided with communication holes; the top cover plate of the preheating box is provided with a net barrel which extends into the inner shell and is arranged at the bottom in a sealing way, wherein the net barrel is connected with the inner shell through a pipeline; the bottom end face of the top cover plate of the preheating box is provided with a fan and an air outlet pipe which are positioned in the net barrel, and the bottom end of the air outlet pipe is provided with a three-way pipe positioned in the net barrel. The utility model has simple structure and convenient use.
Description
Technical Field
The utility model relates to the technical field of scrap steel recovery, in particular to a scrap steel recovery preheating treatment device.
Background
The scrap steel preheating means a measure of preheating a charging bucket filled with scrap steel by using waste gas of an electric furnace and recovering waste heat of the waste gas; when the scrap steel is preheated, the scrap steel is generally piled up in a furnace, and then waste gas of an electric furnace is introduced into the furnace to preheat the scrap steel, so that the preheating effect is poor, the scrap steel in the middle part is easy to preheat or can be preheated only for a long time, the preheating efficiency of the scrap steel is reduced, and the steelmaking efficiency is further reduced; therefore, the above problems need to be solved and optimized.
A scrap recycling and preheating treatment device of CN216205360U, which solves the above problems well, has the following drawbacks: frequent flow of scrap steel products in the preheating box is easy to damage the scrap steel products, the service life of the scrap steel products is further influenced, and if the scrap steel products are replaced after the preheating box is damaged, the scrap steel products are large in size and heavy in weight, so that frequent replacement of the scrap steel products is easy to cause production cost increase.
Disclosure of Invention
The utility model aims to provide a scrap steel recycling and preheating treatment device.
The technical problems of the utility model are mainly solved by the following technical scheme:
the utility model provides a scrap steel recovery and preheat treatment device, includes steelmaking stove and preheating cabinet, and wherein the preheating cabinet bottom is provided with the feed pipe of being connected with the steelmaking stove, and steelmaking furnace roof portion is provided with the heating pipe of being connected with the preheating cabinet, be provided with the fan on the heating pipe:
an inner shell is arranged in the preheating box in a suspending manner, wherein the bottom of the inner shell is provided with a supporting pipe extending into a discharging pipe at the bottom of the preheating box, and a circle of supporting part is arranged on the supporting pipe in the preheating box;
the side wall of the inner shell is uniformly provided with heat dissipation holes, the outer wall of the inner shell is provided with a circular ring which is in threaded connection with the inner wall of the preheating box, and the circular ring is axially provided with communication holes;
the top cover plate of the preheating box is provided with a net barrel which extends into the inner shell and is arranged at the bottom in a sealing way, wherein the net barrel is connected with the inner shell through a pipeline, and the cover plate is provided with a feed hopper which is staggered with the pipeline;
a fan and an air outlet pipe which are positioned in the net barrel are arranged on the bottom end face of the top cover plate of the preheating box, wherein the bottom end of the air outlet pipe is provided with a three-way pipe positioned in the net barrel, and one end of the three-way pipe penetrates through the side wall of the sealing end at the bottom of the net barrel.
Preferably, a screw pipe is arranged on the inner wall of the bottom of the inner shell, a supporting rod extending to the lower part of the sealing end of the bottom of the net barrel is connected to the screw pipe in a screwed mode, and a vertical rod clung to the outer side wall of the net barrel is arranged on the top end face of the supporting rod.
Preferably, the air outlet pipe comprises a main pipe connected with the three-way pipe, wherein the top end of the main pipe is sealed, the top end of the main pipe is provided with a J-shaped pipe penetrating through the cover plate, and the fan is positioned on the bottom end face of the cover plate among a plurality of groups of J-shaped pipes.
Preferably, a filtering mechanism is arranged on the heat supply pipe at the upstream of the fan, wherein the filtering mechanism and the fan are both arranged on a mounting plate in the outer wall of the preheating box, and a vibration motor is arranged on the mounting plate.
Preferably, the net drum and the cover plate are integrally arranged, wherein the side wall of the net drum is axially provided with reinforcing ribs.
Preferably, the pipeline is a corrugated hose, wherein two ends of the corrugated hose are respectively connected with the net drum and the mounting pipe on the side wall of the inner shell, and the cover plate is also provided with a manhole opposite to the corrugated hose.
Preferably, a plurality of groups of grid plates contacted with the outer wall of the preheating box are axially arranged on the outer wall of the inner shell, wherein the plurality of groups of grid plates are uniformly arranged on the outer wall of the inner shell on the upper side and the lower side of the circular ring, ventilation holes are uniformly formed in the side walls of the grid plates, and the grid plates and the communication holes are staggered.
The beneficial effects of the utility model are as follows: according to the utility model, the bottom of the inner shell is suspended through the supporting part, and the inner shell is movably fixed in the preheating box in a mode of screwing the circular ring and the preheating box, so that a gap is formed between the circular ring and the preheating box, hot air flows conveniently, and hot air flows are discharged from the radiating holes and the apertures of the side walls of the net drum, and the periphery and the middle area of waste materials in the inner shell are simultaneously preheated, so that the preheating effect and efficiency are improved, wherein the inner shell or the inner components of the inner shell can be removed from the preheating box and replaced after being damaged by crushed aggregates, and the aim of saving cost can be certainly achieved compared with the whole preheating box.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a cross-sectional view of a preheating tank in the present utility model.
In the figure: 1. steel-making furnace, 2, preheating box, 3, feed pipe, 4, heating pipe, 5, fan, 6, filtering mechanism, 7, mounting panel, 8, vibrating motor, 9, inner shell, 10, stay tube, 11, supporting part, 12, louvre, 13, ring, 14, communication hole, 15, apron, 16, net section of thick bamboo, 17, pipeline, 18, feeder hopper, 19, fan, 20, outlet duct, 201, main pipe, 202, J-shaped pipe, 21, three-way pipe, 22, screwed pipe, 23, bracing piece, 24, montant.
Detailed Description
The technical scheme of the utility model is further specifically described below by means of examples and with reference to fig. 1-2.
The utility model provides a scrap steel recycling and preheating treatment device, includes steelmaking furnace 1 and preheating cabinet 2, and wherein preheating cabinet 2 bottom is provided with the feed pipe 3 of being connected with steelmaking furnace 1, and steelmaking furnace 1 top is provided with the heating tube 4 of being connected with preheating cabinet 2, be provided with fan 5 on the heating tube 4:
an inner shell 9 is arranged in the preheating box 2 in a suspending manner, wherein a supporting pipe 10 extending into a discharging pipe at the bottom of the preheating box 2 is arranged at the bottom of the inner shell 9, and a circle of supporting part 11 is arranged on the supporting pipe 10 in the preheating box 2;
the side wall of the inner shell 9 is uniformly provided with heat dissipation holes 12, wherein the outer wall of the inner shell 9 is provided with a circular ring 13 which is in threaded connection with the inner wall of the preheating box 2, and the circular ring 13 is axially provided with a communication hole 14;
a net barrel 16 extending into the inner shell 9 and arranged at the bottom in a sealing way is arranged on a top cover plate 15 of the preheating box 2, wherein the net barrel 16 is connected with the inner shell 9 through a pipeline 17, and a feed hopper 18 staggered with the pipeline 17 is arranged on the cover plate 15;
the bottom end face of the top cover plate 15 of the preheating box 2 is provided with a fan 19 and an air outlet pipe 20 which are positioned in the net barrel 16, wherein the bottom end of the air outlet pipe 20 is provided with a three-way pipe 21 positioned in the net barrel 16, and one end of the three-way pipe 21 penetrates through the side wall of the bottom sealing end of the net barrel 16.
In this embodiment, a coil 22 is disposed on the inner wall of the bottom of the inner casing 9, wherein a supporting rod 23 extending to the lower part of the bottom sealing end of the net drum 16 is screwed on the coil 22, and a vertical rod 24 closely attached to the outer side wall of the net drum 16 is disposed on the top end surface of the supporting rod 23.
The supporting rod 23 is in threaded connection with the spiral tube 22 so as to facilitate the installation and the disassembly of the net drum 16, the supporting rod 23 is used for supporting and fixing the bottom end of the net drum 16, and the plurality of groups of vertical rods 24 are used for limiting the bottom end of the net drum 16 and preventing the net drum from horizontally swinging so as to improve the stability of the net drum 16.
In this embodiment, the air outlet pipe 20 includes a main pipe 201 connected to the three-way pipe 21, wherein the top end of the main pipe 201 is sealed, and the top end of the main pipe 201 is provided with a J-shaped pipe 202 penetrating through the cover plate 15, and the fan 19 is located on the bottom end surface of the cover plate 15 between the J-shaped pipes 202 to prevent the air outlet pipe 20 from affecting the operation of the fan 19.
In this embodiment, a filtering mechanism 6 is disposed on the heating pipe 4 at the upstream of the blower 5, wherein the filtering mechanism 6 and the blower 5 are both mounted on a mounting plate 7 in the outer wall of the preheating tank 2, and a vibration motor 8 is disposed on the mounting plate 7.
In this embodiment, the mesh drum 16 and the cover plate 15 are integrally disposed, wherein the side wall of the mesh drum 16 is axially provided with reinforcing ribs to strengthen the strength thereof.
In this embodiment, the pipe 17 is a corrugated hose, two ends of the corrugated hose are respectively connected with the mesh drum 16 and the installation pipe on the side wall of the inner shell 9, and the cover plate 15 is further provided with a manhole opposite to the corrugated hose, so that people can install or maintain the corrugated hose through the manhole.
In this embodiment, a plurality of groups of grid plates contacting with the outer wall of the preheating tank 2 are axially arranged on the outer wall of the inner shell 9, wherein the plurality of groups of grid plates are uniformly arranged on the outer wall of the inner shell 9 on the upper side and the lower side of the circular ring 13, ventilation holes are uniformly arranged on the side walls of the grid plates, and the grid plates and the communication holes 14 are staggered.
The preheating box 2 can play a clamping and fixing role on the inner shell 9 through the grid plates, so that the problem of collapse after being pressed can be effectively prevented while the horizontal swing of the preheating box is prevented, and ventilation holes are also convenient for ventilation of air at two sides of the preheating box.
The working principle of the utility model is as follows: the waste is injected into the inner shell 9 through the feed hopper 18, then the fan 5 is turned on, hot gas generated by the steelmaking furnace 1 enters the heat supply pipe 4 under the action of the fan 5 and flows into the filtering mechanism 6 so as to filter impurities in the hot gas, at the moment, hot gas flows into a cavity formed between the inner shell and the preheating box 2, so that the side wall of the preheating box 2 is heated to prevent the rapid loss of internal heat, and at the same time, part of hot gas flows into different areas in the inner shell 9 through the plurality of heat dissipation holes 12, so that the periphery of the waste in the inner shell 9 is preheated, and meanwhile, the air flow also flows into the middle part in the inner part through gaps among the waste;
meanwhile, part of hot air in the cavity formed between the outer shell 9 and the preheating box 2 can flow into the net drum 16 through the pipeline 17, and at the moment, the part of hot air can flow into the middle of the waste pile in the inner shell 9 through the aperture of the side wall of the net drum 16, so that the purposes of simultaneously preheating waste conveniently and at the middle are realized, and uneven preheating of waste in the inner part is prevented.
In the above process, the fan 19 is operated to accelerate the flow of the hot air flowing into the net drum 16, so that the hot air can be preheated in the middle area of the waste material rapidly and sufficiently through the aperture of the net drum 16, and meanwhile, the preheated air in the inner shell 9 can be discharged through the tee 21 and the air outlet pipe 20, and the crushed aggregates in the inner shell 9 can flow into the steelmaking furnace 1 through the support pipe 10 and the feed pipe 3.
According to the utility model, the bottom of the inner shell 9 is suspended through the supporting part 11, and the inner shell 9 is movably fixed in the preheating box 2 in a mode of screwing the circular ring 13 with the preheating box 2, so that a gap is formed between the circular ring 13 and the preheating box 2, hot air flows conveniently, and hot air flows are discharged from the radiating holes 12 and the apertures of the side walls of the net drums 16, and then the periphery and the middle area of waste materials in the inner shell 9 are preheated at the same time, so that the preheating effect and efficiency are improved, wherein the inner shell 9 or internal components of the inner shell 9 can be removed from the preheating box 2 and replaced after damaged by crushed aggregates, and the aim of saving cost can be achieved certainly compared with the whole preheating box 2 is replaced.
The foregoing detailed description of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (7)
1. The utility model provides a scrap steel recovery preheating treatment device, includes steelmaking stove and preheating cabinet, and wherein the preheating cabinet bottom is provided with the feed pipe of being connected with the steelmaking stove, and steelmaking furnace roof portion is provided with the heating pipe of being connected with the preheating cabinet, be provided with the fan on the heating pipe, its characterized in that:
an inner shell is arranged in the preheating box in a suspending manner, wherein the bottom of the inner shell is provided with a supporting pipe extending into a discharging pipe at the bottom of the preheating box, and a circle of supporting part is arranged on the supporting pipe in the preheating box;
the side wall of the inner shell is uniformly provided with heat dissipation holes, the outer wall of the inner shell is provided with a circular ring which is in threaded connection with the inner wall of the preheating box, and the circular ring is axially provided with communication holes;
the top cover plate of the preheating box is provided with a net barrel which extends into the inner shell and is arranged at the bottom in a sealing way, wherein the net barrel is connected with the inner shell through a pipeline, and the cover plate is provided with a feed hopper which is staggered with the pipeline;
the bottom end face of the top cover plate of the preheating box is provided with a fan and an air outlet pipe which are positioned in the net barrel, wherein the bottom end of the air outlet pipe is provided with a three-way pipe positioned in the net barrel, and one end of the three-way pipe penetrates through the side wall of the sealing end at the bottom of the net barrel.
2. The scrap steel recycling and preheating treatment device according to claim 1, wherein: the inner wall of the bottom of the inner shell is provided with a screw pipe, wherein the screw pipe is in threaded connection with a supporting rod extending to the lower part of the sealing end of the bottom of the net barrel, and the top end surface of the supporting rod is provided with a vertical rod clung to the outer side wall of the net barrel.
3. The scrap steel recycling and preheating treatment device according to claim 1, wherein: the outlet duct includes the female pipe of being connected with the three-way pipe, and wherein female pipe top seals the setting, and female pipe top is provided with the J type pipe that runs through the apron, the fan is located on the apron bottom end face between the multiunit J type pipe.
4. The scrap steel recycling and preheating treatment device according to claim 1, wherein: the heating pipe at the upstream of the fan is provided with a filtering mechanism, wherein the filtering mechanism and the fan are both arranged on a mounting plate in the outer wall of the preheating box, and the mounting plate is provided with a vibration motor.
5. The scrap steel recycling and preheating treatment device according to claim 1, wherein: the net barrel and the cover plate are integrally arranged, and reinforcing ribs are axially arranged on the side wall of the net barrel.
6. The scrap steel recycling and preheating treatment device according to claim 1, wherein: the pipeline is a corrugated hose, wherein two ends of the corrugated hose are respectively connected with the net drum and the mounting pipe on the side wall of the inner shell, and a manhole opposite to the corrugated hose is further arranged on the cover plate.
7. The scrap steel recycling and preheating treatment device according to claim 1, wherein: the outer wall of the inner shell is axially provided with a plurality of groups of grid plates which are in contact with the outer wall of the preheating box, wherein the plurality of groups of grid plates are uniformly arranged on the outer wall of the inner shell on the upper side and the lower side of the circular ring, the side walls of the grid plates are uniformly provided with air holes, and the grid plates and the communication holes are staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320500528.XU CN219914010U (en) | 2023-03-15 | 2023-03-15 | Scrap steel recycling and preheating treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320500528.XU CN219914010U (en) | 2023-03-15 | 2023-03-15 | Scrap steel recycling and preheating treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219914010U true CN219914010U (en) | 2023-10-27 |
Family
ID=88433269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320500528.XU Active CN219914010U (en) | 2023-03-15 | 2023-03-15 | Scrap steel recycling and preheating treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219914010U (en) |
-
2023
- 2023-03-15 CN CN202320500528.XU patent/CN219914010U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240424 Address after: 523000, No. 89, 91, 92, 96-3, 96-4 Yi'an Industrial Road, Fenggang Town, Dongguan City, Guangdong Province Patentee after: Wanlida Vacuum Hardware Heat Treatment (Dongguan) Co.,Ltd. Country or region after: China Address before: No. 470, Liushi Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, 545025 Patentee before: Guangxi Jingao Renewable Resources Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |