CN220771147U - Electric furnace steelmaking exhaust-heat boiler - Google Patents
Electric furnace steelmaking exhaust-heat boiler Download PDFInfo
- Publication number
- CN220771147U CN220771147U CN202322362892.7U CN202322362892U CN220771147U CN 220771147 U CN220771147 U CN 220771147U CN 202322362892 U CN202322362892 U CN 202322362892U CN 220771147 U CN220771147 U CN 220771147U
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- China
- Prior art keywords
- chimney
- fixed mounting
- pipe
- smoke tube
- threaded rod
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- 238000009628 steelmaking Methods 0.000 title claims abstract description 27
- 239000000779 smoke Substances 0.000 claims abstract description 54
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000007790 scraping Methods 0.000 claims abstract description 8
- 241000208125 Nicotiana Species 0.000 claims description 15
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 40
- 239000002918 waste heat Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000012530 fluid Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model provides an electric furnace steelmaking waste heat boiler, which relates to the technical field of boilers and comprises a chimney, a fixing frame and a smoke tube, wherein the chimney is fixedly arranged in the fixing frame, a supporting frame is fixedly arranged on one side of the fixing frame, air bubbles are fixedly arranged at the top end of the supporting frame, an ash collecting hopper is fixedly arranged at the bottom end of the chimney, an air inlet pipe is fixedly arranged on the surface of the ash collecting hopper, and an air outlet pipe is fixedly arranged at the top end of the chimney. According to the utility model, through the arrangement of the threaded rod, the limiting rod, the movable plate and the cleaning scraping plate, when dust on the surface of the smoke tube is cleaned, the threaded rod is driven to rotate only by starting the motor, so that the movable plate moves along the limiting rod, the cleaning scraping plate is driven to move on the surface of the smoke tube, the dust on the surface of the smoke tube is scraped clean, the phenomenon that the heat transfer effect of the smoke tube is affected due to the fact that more dust is attached to the surface of the smoke tube is avoided, and the dust on the surface of the smoke tube is cleaned more conveniently.
Description
Technical Field
The utility model relates to the technical field of boilers, in particular to an electric furnace steelmaking waste heat boiler.
Background
The electric furnace steelmaking waste heat boiler is a device for recovering energy by utilizing the waste heat of high-temperature waste gas generated in the electric furnace steelmaking process, and the waste heat boiler is used for converting heat energy in the waste gas into steam or hot water by transferring the heat energy into water or heat medium, so that the energy utilization efficiency is improved, the energy consumption and the environmental pollution are reduced, a large amount of dust can be contained in the high-temperature waste gas, the dust and pollutants in the waste gas are easily accumulated in a smoke tube, the dust removal is difficult, and the heat transfer effect can be influenced by accumulation of a large amount of dust on the surface of the smoke tube, so that improvement is needed.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an electric furnace steelmaking waste heat boiler.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an electric stove steelmaking exhaust-heat boiler, includes chimney, mount and tobacco pipe, chimney fixed mounting is in the inside of mount, mount one side fixed mounting has the support frame, the top fixed mounting of support frame has the bubble, the bottom fixed mounting of chimney has the album ash bucket, the fixed surface of album ash bucket installs the intake pipe, the top fixed mounting of chimney has the outlet duct, the inside bottom fixed mounting of chimney has the second fixed plate, the inside top fixed mounting of chimney has first fixed plate, the top fixed mounting of tobacco pipe has the flow equalizing pipe, the fixed surface mounting of flow equalizing pipe has the stand pipe, the top edge fixed mounting of chimney has the motor, the threaded rod is installed to the output of motor, the inside performance of chimney is kept away from the position fixedly mounted of threaded rod has the gag lever post, the inside position department that is close to the tobacco pipe of chimney is provided with the fly leaf, the inside position department fixed mounting that is close to the tobacco pipe surface of fly leaf has cleaning scraper blade.
Further, the smoke tube is fixedly arranged between the first fixing plate and the second fixing plate, and the guide tube is communicated with the air bubble. Accordingly, the smoke pipe is fixed.
Further, the guide pipe is communicated with the flow equalizing pipe, and the flow equalizing pipe is communicated with the smoke pipe. Accordingly, the liquid in the smoke tube flows.
Further, the threaded rod is rotationally connected with the chimney, and the limiting rod is fixedly installed between the first fixing plate and the second fixing plate. Accordingly, the stopper rod is fixed.
Further, bearings are arranged at the intersections of the threaded rods and the first fixing plate and the second fixing plate, outer shafts of the bearings are fixedly arranged between the first fixing plate or the second fixing plate, and inner shafts of the bearings are fixedly arranged between the threaded rods. Accordingly, the threaded rod is always kept in place to rotate.
Further, sliding connection between fly leaf and the gag lever post, sliding connection between fly leaf and the threaded rod, sliding connection between cleaning scraper blade and the tobacco pipe. Accordingly, in order to enable the movable plate to move, the cleaning scraping plate is driven to move along the surface of the smoke tube, so that dust on the surface of the smoke tube is cleaned.
Further, the bottom of album ash bucket is provided with collection mechanism, collection mechanism includes the discharging pipe, discharging pipe fixed mounting is in the bottom of album ash bucket, the inside sliding connection of discharging pipe has the baffle, the inside bottom of mount is provided with the transport case, one side fixed mounting of transport case has the handle, the bottom fixed mounting of transport case has the universal wheel. Accordingly, dust cleaned inside the chimney is conveniently collected.
Further, one side of the baffle is fixedly provided with a pull handle, the universal wheels are uniformly arranged at the bottom end of the transport case, and the transport case is in sliding connection with the fixing frame. Accordingly, in order to facilitate the movement of the transport case.
Further, the surface of the smoke tube is fixedly provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of nickel-based alloy. Accordingly, in order to increase the service life of the smoke tube.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the utility model, through the arrangement of the threaded rod, the limiting rod, the movable plate and the cleaning scraping plate, when dust on the surface of the smoke tube is cleaned, the threaded rod is driven to rotate only by starting the motor, so that the movable plate moves along the limiting rod, the cleaning scraping plate is driven to move on the surface of the smoke tube, the dust on the surface of the smoke tube is scraped clean, the phenomenon that the heat transfer effect of the smoke tube is affected due to the fact that more dust is attached to the surface of the smoke tube is avoided, and the dust on the surface of the smoke tube is cleaned more conveniently.
2. According to the utility model, through the arrangement of the transport case and the discharge pipe, the dust cleaned inside the smoke pipe can fall into the collection case through the dust collecting hopper and the discharge pipe, so that the dust inside the chimney is more convenient to collect and transport after being cleaned, the phenomenon that another collection device or transport device is required to transport or collect the dust cleaned by the collection device is avoided, and the efficiency is improved.
3. In the utility model, the waste gas possibly contains corrosive gas or impurities, the inner wall of the smoke tube can be corroded under the action of long time, the service life of the equipment is reduced, and the nickel-based alloy is used as the material of the corrosion-resistant layer due to the arrangement of the corrosion-resistant layer on the surface of the smoke tube, so that the nickel-based alloy has good high-temperature corrosion resistance and mechanical strength, is suitable for application in high-temperature oxidation and corrosive environments, avoids the phenomenon of damage to the smoke tube caused by the adhesion of the corrosive gas or impurities on the surface of the smoke tube, and prolongs the service life of the smoke tube.
Drawings
Fig. 1 is a schematic diagram of an electric furnace steelmaking waste heat boiler;
fig. 2 is a rear view of an electric furnace steelmaking waste heat boiler according to the present utility model;
FIG. 3 is an enlarged view of the position A in FIG. 2 of the electric furnace steelmaking waste heat boiler provided by the utility model;
FIG. 4 is a schematic diagram of a part of explosion structure of an electric furnace steelmaking waste heat boiler;
FIG. 5 is an enlarged view of the position B in FIG. 4 of the electric furnace steelmaking waste heat boiler provided by the utility model;
FIG. 6 is an enlarged view of the position C in FIG. 4 of an electric furnace steelmaking waste heat boiler according to the utility model;
FIG. 7 is a bottom view of a part of an explosion structure of an electric furnace steelmaking waste heat boiler according to the present utility model;
fig. 8 is an enlarged view of a portion D in fig. 7 of an electric furnace steelmaking waste heat boiler according to the present utility model.
Legend description:
1. a chimney; 2. a fixing frame; 3. an air outlet pipe; 4. air bubbles; 5. a support frame; 6. an air inlet pipe; 7. an ash collecting hopper; 8. a discharge pipe; 9. a handle; 10. a transport case; 11. a universal wheel; 12. a baffle; 13. a threaded rod; 14. a motor; 15. a guide tube; 16. a flow equalizing pipe; 17. a first fixing plate; 18. a smoke tube; 19. a movable plate; 20. a limit rod; 21. a bearing; 22. a cleaning blade; 23. and a second fixing plate.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Example 1
Referring to fig. 1-8, the present utility model provides a technical solution: an electric furnace steelmaking waste heat boiler comprises a chimney 1, a fixed frame 2 and a smoke tube 18, wherein the chimney 1 is fixedly arranged in the fixed frame 2, a support frame 5 is fixedly arranged on one side of the fixed frame 2, air bubbles 4 are fixedly arranged at the top end of the support frame 5, an ash collecting hopper 7 is fixedly arranged at the bottom end of the chimney 1, an air inlet pipe 6 is fixedly arranged on the surface of the ash collecting hopper 7, an air outlet pipe 3 is fixedly arranged at the top end of the chimney 1, a second fixed plate 23 is fixedly arranged at the bottom end of the inside of the chimney 1, a first fixed plate 17 is fixedly arranged at the top end of the inside of the chimney 1, the smoke tube 18 is fixedly arranged between the first fixed plate 17 and the second fixed plate 23, the guide tube 15 is communicated with the air bubbles 4, the guide tube 15 is communicated with the flow equalizing tube 16, the guide tube 16 is fixedly arranged at the top end of the smoke tube 18, the guide tube 15 is fixedly arranged on the surface of the flow equalizing tube 16, the top edge of the chimney 1 is fixedly provided with a motor 14, the output end of the motor 14 is provided with a threaded rod 13, the threaded rod 13 is rotationally connected with the chimney 1, a limiting rod 20 is fixedly arranged between a first fixed plate 17 and a second fixed plate 23, the limiting rod 20 is fixedly arranged at the position, away from the threaded rod 13, of the inner performance of the chimney 1, the position, close to a smoke tube 18, of the inner performance of the chimney 1 is provided with a movable plate 19, the position, close to the surface of the smoke tube 18, of the movable plate 19 is fixedly provided with a cleaning scraping plate 22, the intersection of the threaded rod 13 with the first fixed plate 17 and the second fixed plate 23 is provided with a bearing 21, the outer shaft of the bearing 21 is fixedly arranged between the first fixed plate 17 or the second fixed plate 23, the inner shaft of the bearing 21 is fixedly arranged with the threaded rod 13, the bearing 21 is designed to limit the moving track of the threaded rod 13, so that the threaded rod 13 always keeps in-place rotation, thereby drive the activity and remove along gag lever post 20, sliding connection between fly leaf 19 and the threaded rod 13, sliding connection between cleaning scraper 22 and the tobacco pipe 18, the design of threaded rod 13, gag lever post 20, fly leaf 19 and cleaning scraper 22 is in order to make when the dust on tobacco pipe 18 surface clear up, only need start through motor 14 and drive threaded rod 13 rotation, thereby make fly leaf 19 remove along gag lever post 20, drive cleaning scraper 22 and remove at the tobacco pipe 18 surface, make the dust on tobacco pipe 18 surface scraped clean, avoid influencing the phenomenon production of tobacco pipe 18 heat transfer effect because of the more dust of tobacco pipe 18 surface adhesion, make tobacco pipe 18 surface dust clearance more convenient.
Example two
Referring to fig. 2-3, the bottom of the ash collecting hopper 7 is provided with a collecting mechanism, the collecting mechanism comprises a discharging pipe 8, the discharging pipe 8 is fixedly installed at the bottom of the ash collecting hopper 7, a baffle 12 is slidably connected inside the discharging pipe 8, a transport case 10 is arranged at the bottom inside the fixing frame 2, a handle 9 is fixedly installed on one side of the transport case 10, a universal wheel 11 is fixedly installed at the bottom of the transport case 10, a pull handle is fixedly installed on one side of the baffle 12, the universal wheels 11 are uniformly arranged at the bottom of the transport case 10, the transport case 10 and the fixing frame 2 are slidably connected, the transport case 10 and the discharging pipe 8 are designed to enable dust cleaned inside the smoke pipe 18 to fall into the collecting case through the ash collecting hopper 7 and the discharging pipe 8, so that dust is more convenient to collect and transport after the dust inside the chimney 1 is cleaned, and the phenomenon that the dust cleaned by another collecting device or the transport device is required to transport or the dust cleaned by the transport device is avoided, and the efficiency is improved.
Example III
Referring to fig. 4-5, the surface of the smoke tube 18 is fixedly provided with a corrosion-resistant layer, the corrosion-resistant layer is made of nickel-based alloy, and the inner wall of the smoke tube 18 is corroded under the action of a long time due to the possible corrosive gas or impurities contained in the waste gas, so that the service life of the equipment is reduced.
Working principle: in the electric furnace steelmaking process, waste gas passes through a cooling device in an electric furnace chamber to form high-temperature waste gas, the high-temperature waste gas is guided into a waste heat boiler through a chimney 1 and a waste gas pipeline, in the smoke-tube type waste heat boiler, the waste gas exchanges heat with fluid (generally water or other heat mediums) in a smoke tube 18 in the boiler, the waste gas flows through the outer side of the smoke tube 18, meanwhile, water or heat mediums flowing in the smoke tube 18 are heated through the inner wall of the smoke tube 18, heat energy in the waste gas is transferred to water or heat mediums to heat and rise, and finally is converted into steam or hot water, the inner wall of the smoke tube 18 is generally provided with a plurality of spiral or straight pipes to increase the heat transfer surface area and improve the recovery effect of waste heat, thus, the high-temperature heat energy of the waste gas in the furnace can be fully transferred to the water or the heat mediums to realize energy conversion and recovery, and in the smoke-tube 18 type waste heat boiler, the smoke and the water or the heat mediums flow separately, the heat transfer of the fluid inside and outside the smoke tube 18 is completed by heat exchange, the heat transfer of the fluid inside and outside the smoke tube 18 is carried out by convection and conduction, so that the heat energy of the waste gas is transferred to water or a heat medium, the heat energy in the waste gas is efficiently recycled by the working principle of the smoke tube 18 type waste heat boiler, the heat energy is converted into steam or hot water for supplying, thereby improving the energy utilization efficiency and reducing the environmental pollution, when the dust attached to the surface of the smoke tube 18 needs to be cleaned, the motor 14 is started firstly, the motor 14 is started to drive the threaded rod 13 to rotate, the threaded rod 13 always keeps in-situ rotation due to the influence of the bearing 21, the rotation of the threaded rod 13 drives the movable plate 19 to move upwards along the limit rod 20, the movement of the movable plate 19 drives the cleaning scraping plate 22 to move along the surface of the smoke tube 18, so that the dust attached to the surface of the smoke tube 18 is scraped, the scraped dust falls into the dust collecting hopper 7 due to the influence of the gravity of the dust, when the dust in the dust collecting hopper 7 needs to be cleaned, the pull handle is held at first and the pull plate is pulled, the pull handle drives the baffle 12 to move in the discharging pipe 8 until the baffle 12 moves out of the discharging pipe 8, the dust in the dust collecting hopper 7 falls into the transport case 10 along the discharging pipe 8, when the dust in the transport case 10 needs to be cleaned, the dust collecting hopper only needs to hold the handle 9 and pull the handle 9, and the universal wheel 11 at the bottom end of the transport case 10 can be driven to rotate along the ground, so that the transport case 10 moves to the position where the dust needs to be treated, and the dust in the transport case 10 can be cleaned.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (9)
1. The utility model provides an electric stove steelmaking exhaust-heat boiler, includes chimney (1), mount (2) and tobacco pipe (18), its characterized in that: chimney (1) fixed mounting is in the inside of mount (2), the top fixed mounting of mount (2) one side has support frame (5), the top fixed mounting of support frame (5) has bubble (4), the bottom fixed mounting of chimney (1) has album ash bucket (7), the surface fixed mounting of album ash bucket (7) has intake pipe (6), the top fixed mounting of chimney (1) has outlet duct (3), the inside bottom fixed mounting of chimney (1) has second fixed plate (23), the inside top fixed mounting of chimney (1) has first fixed plate (17), the top fixed mounting of tobacco pipe (18) has riser (16), the fixed surface of riser (16) installs stand pipe (15), the top edge fixed mounting of chimney (1) has motor (14), the output of motor (14) installs threaded rod (13), the position department fixed mounting gag lever post (20) that the inside threaded rod kept away from performance (13) of chimney (1), the inside is close to tobacco pipe (18) is located movable plate (19), the inside position that is provided with scraper blade (19) is located in the fixed surface mounting of the inside position (19).
2. The electric steelmaking heat recovery boiler as set forth in claim 1, wherein: the smoke tube (18) is fixedly arranged between the first fixing plate (17) and the second fixing plate (23), and the guide tube (15) is communicated with the air bubble (4).
3. The electric steelmaking heat recovery boiler as set forth in claim 1, wherein: the guide pipe (15) is communicated with the flow equalizing pipe (16), and the flow equalizing pipe (16) is communicated with the smoke pipe (18).
4. The electric steelmaking heat recovery boiler as set forth in claim 1, wherein: the threaded rod (13) is rotationally connected with the chimney (1), and the limiting rod (20) is fixedly arranged between the first fixing plate (17) and the second fixing plate (23).
5. The electric steelmaking heat recovery boiler as set forth in claim 1, wherein: the junction of threaded rod (13) and first fixed plate (17) and second fixed plate (23) all is provided with bearing (21), fixed mounting between the outer axle of bearing (21) and first fixed plate (17) or second fixed plate (23), fixed mounting between the interior axle of bearing (21) and threaded rod (13).
6. The electric steelmaking heat recovery boiler as set forth in claim 1, wherein: the movable plate (19) is in sliding connection with the limiting rod (20), the movable plate (19) is in sliding connection with the threaded rod (13), and the cleaning scraping plate (22) is in sliding connection with the smoke tube (18).
7. The electric steelmaking heat recovery boiler as set forth in claim 1, wherein: the bottom of album ash bucket (7) is provided with collection mechanism, collection mechanism includes discharging pipe (8), discharging pipe (8) fixed mounting is in the bottom of album ash bucket (7), the inside sliding connection of discharging pipe (8) has baffle (12), the inside bottom of mount (2) is provided with transport case (10), one side fixed mounting of transport case (10) has handle (9), the bottom fixed mounting of transport case (10) has universal wheel (11).
8. The electric steelmaking heat recovery boiler as set forth in claim 7, wherein: one side of the baffle (12) is fixedly provided with a pull handle, the universal wheels (11) are uniformly arranged at the bottom end of the transport case (10), and the transport case (10) is in sliding connection with the fixing frame (2).
9. The electric steelmaking heat recovery boiler as set forth in claim 1, wherein: the surface of the smoke tube (18) is fixedly provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of nickel-based alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322362892.7U CN220771147U (en) | 2023-08-31 | 2023-08-31 | Electric furnace steelmaking exhaust-heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322362892.7U CN220771147U (en) | 2023-08-31 | 2023-08-31 | Electric furnace steelmaking exhaust-heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220771147U true CN220771147U (en) | 2024-04-12 |
Family
ID=90617544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322362892.7U Active CN220771147U (en) | 2023-08-31 | 2023-08-31 | Electric furnace steelmaking exhaust-heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220771147U (en) |
-
2023
- 2023-08-31 CN CN202322362892.7U patent/CN220771147U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |