CN113201656B - Secondary recycling device for smoke dust of oxygen-enriched side-blown converter in lead smelting process and process method thereof - Google Patents
Secondary recycling device for smoke dust of oxygen-enriched side-blown converter in lead smelting process and process method thereof Download PDFInfo
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- CN113201656B CN113201656B CN202110309538.0A CN202110309538A CN113201656B CN 113201656 B CN113201656 B CN 113201656B CN 202110309538 A CN202110309538 A CN 202110309538A CN 113201656 B CN113201656 B CN 113201656B
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- furnace body
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- cigarette
- blown converter
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- 239000000428 dust Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000001301 oxygen Substances 0.000 title claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 33
- 239000000779 smoke Substances 0.000 title claims abstract description 29
- 238000003723 Smelting Methods 0.000 title claims abstract description 25
- 238000004064 recycling Methods 0.000 title claims abstract description 11
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 38
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract description 2
- 239000004071 soot Substances 0.000 description 9
- 230000005389 magnetism Effects 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001152 Bi alloy Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B13/00—Obtaining lead
- C22B13/02—Obtaining lead by dry processes
- C22B13/025—Recovery from waste materials
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a secondary recycling device for smoke dust of an oxygen-enriched side-blown converter in a lead smelting process and a process method thereof, and relates to the technical field of lead smelting of the oxygen-enriched side-blown converter. This be used for oxygen boosting side-blown converter smoke and dust secondary to return to stove and utilize device among lead smelting process, including the furnace body, the top of furnace body is rotated and is installed the bell, and the inboard fixed mounting in upper end of furnace body has recovery mechanism, and recovery mechanism's inboard is provided with deashing mechanism, and the inboard movable mounting of lower extreme of furnace body has raw materials frame, and the lower extreme left side fixed mounting of furnace body has the oxygen inlet, and recovery mechanism includes fixed block, inlet flue, guiding mechanism, motor, guiding gutter, collection cigarette spare, goes out cigarette end and dust screen. This be used for lead smelting in-process oxygen boosting side blown converter smoke and dust secondary to return to the stove and utilize device sets up and retrieves the mechanism and collects secondary cigarette ash and utilizes, and cooperation deashing mechanism has avoided retrieving the mechanism when retrieving secondary cigarette ash, and tiny granule in the cigarette ash is attached to the device inner wall, the adverse effect that causes the work efficiency of device.
Description
Technical Field
The invention relates to the technical field of lead smelting by an oxygen-enriched side-blown furnace, in particular to a secondary recycling device for smoke dust of the oxygen-enriched side-blown furnace in a lead smelting process and a process method thereof.
Background
After copper smelting soot is subjected to acid leaching for zinc and copper extraction, leaching slag enters a pyrogenic process system, ingredients are used for making bricks, and then the leached slag is added into an oxygen-enriched side-blown furnace for smelting to produce a lead-bismuth alloy, crude tin oxide and copper matte; in the common oxygen-enriched side-blown converter, in the smelting process, part of impurity elements enter dust collection soot in the form of flue gas, and the rest part of the impurity elements enter concentrated matte and slag respectively.
Oxygen boosting side blown converter on the existing market, secondary cigarette ash can not abundant utilization, and cigarette ash very easily attaches to the micronic dust at the device inner wall when carrying in the device, causes to block up or spare part operation slows down, influences the work efficiency of device.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a secondary recycling device for smoke dust of an oxygen-enriched side-blown converter in a lead smelting process and a process method thereof.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a be used for lead smelting in-process oxygen boosting side blown converter smoke and dust secondary to return to stove and utilize device, comprises a furnace body, the top of furnace body is rotated and is installed the bell, the inboard fixed mounting in upper end of furnace body has recovery mechanism, recovery mechanism's inboard is provided with deashing mechanism, the inboard movable mounting of lower extreme of furnace body has former work or material rest, the lower extreme left side fixed mounting of furnace body has the oxygen inlet.
Preferably, retrieve the mechanism and include the fixed block, advance mouth, water conservancy diversion mechanism, motor, guiding gutter, collection cigarette spare, play cigarette end and dust screen, fixed block fixed mounting is inboard in the furnace body upper end, advance the mouth and set up the left side lower extreme at the furnace body, water conservancy diversion mechanism movable mounting is in the upper end of fixed block, motor fixed mounting is at the inboard center in bottom of bell, the inboard at the bell is set up to the guiding gutter, collection cigarette spare fixed mounting is at the top center of bell, and the upper end that collection cigarette spare passes through pipe and guiding gutter meets, play cigarette end fixed mounting is inboard in the bottom of furnace body, goes out the cigarette end and meets with collection cigarette spare through the conduction pipe, dust screen fixed mounting is at the top of a cigarette end.
Preferably, the ash removal mechanism comprises a movable ball, a pushing block, a sliding groove and an ash removal part, the movable ball is movably mounted in a cavity on the inner side of the ash removal mechanism through a spring, the pushing block is movably connected with the movable ball through a transmission rod, the pushing block is movably mounted on the inner side of the sliding groove, the sliding groove is formed in the front of the ash removal mechanism, and the ash removal part is movably mounted between the upper sliding groove and the lower sliding groove.
Preferably, guiding mechanism is including rotating post, guide vane and connecting piece, it is inboard at the bottom of fixed block to rotate the post through the bearing, guide vane fixed mounting is in the both sides of rotating the post, connecting piece fixed mounting is at the top of rotating the post, and the post passes through connecting piece and motor output end activity joint.
Preferably, the push block comprises a stop block and an elastic spring, and the stop block is movably arranged in a groove on one side, far away from the movable ball, of the push block through the elastic spring.
Preferably, the deashing piece includes movable slot, contact piece, resilience piece, clutch blocks, magnetism post and counter weight magnetism ball, the inboard at guide vane is seted up to the movable slot, contact piece passes through spring movable mounting in the movable slot, resilience piece movable mounting is in the one end of movable slot, and resilience piece contacts with contact piece one side, the front and the back at guide vane are installed through the pivot rotation to the clutch blocks, the clutch blocks passes through pivot fixed connection with the contact piece, magnetism post fixed mounting is at the inboard recess both ends of clutch blocks, counter weight magnetism ball movable mounting is in the inboard recess of clutch blocks, and counter weight magnetism ball passes through magnetism with the magnetism post and is connected.
The invention provides a secondary recycling device and a secondary recycling method for smoke dust of an oxygen-enriched side-blown converter in a lead smelting process. The method has the following beneficial effects:
(1) this be used for lead smelting in-process oxygen boosting side blown converter smoke and dust secondary to return to the stove and utilize device sets up and retrieves the mechanism and collects secondary cigarette ash and utilizes, and cooperation deashing mechanism has avoided retrieving the mechanism when retrieving secondary cigarette ash, and tiny granule in the cigarette ash is attached to the device inner wall, the adverse effect that causes the work efficiency of device.
(2) This be used for lead smelting in-process oxygen boosting side blown converter smoke and dust secondary to return to the stove and utilize device sets up the recovery mechanism, under the drive of motor, drives the air current upward movement in the furnace body through guide vane, and cigarette ash takes the upper end to the recovery mechanism, and the cooperation goes out the cigarette end and releases secondary cigarette ash from the furnace body bottom, takes place the reaction with the raw materials once more, has strengthened the utilization ratio of raw materials, has saved the resource.
(3) This be used for lead smelting in-process oxygen boosting side blown converter smoke and dust secondary to return to the stove and utilize device, when guide vane rotates, receive centrifugal force and effect of gravity, the movable ball drives the operation of deashing mechanism, clears away guide vane's surface dust through reciprocating motion's clutch blocks, has avoided the dust to cover in the guide vane outside, causes the guide vane rotational speed to slow down to reduce the work efficiency of device.
(4) This be used for lead smelting in-process oxygen boosting side blown converter smoke and dust secondary to return to the stove and utilize device, contact block cooperation resilience piece drives the friction block at guide vane outside horizontal hunting, clears up the dust on guide vane surface, and the swing about has increased the clearance scope of friction block, makes the validity reinforcing of clearance.
(5) This be used for lead smelting in-process oxygen boosting side blown converter smoke and dust secondary to return to the stove and utilize device, deashing mechanism during operation, counter weight magnetic ball swings in the inboard cavity of clutch blocks, and the frequency of swinging increases under the repulsion effect of magnetism post, makes the clearance efficiency of clutch blocks improve.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2;
FIG. 4 is an enlarged view of the structure of FIG. 3 at B in accordance with the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4 at C according to the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of the cigarette end outlet structure of the present invention.
In the figure: 1. a furnace body; 2. a furnace cover; 3. a recovery mechanism; 31. a fixed block; 32. a smoke inlet; 33. a flow guide mechanism; 331. rotating the column; 332. a guide vane; 333. a connecting member; 34. a motor; 35. a diversion trench; 36. a smoke collection piece; 37. discharging cigarette ends; 38. a dust screen; 4. a dust removal mechanism; 41. a movable ball; 42. a push block; 421. a stopper; 422. an elastic reed; 43. a chute; 44. a soot cleaning member; 441. a movable groove; 442. a contact block; 443. a resilient member; 444. a friction block; 445. a magnetic column; 446. a counterweight magnetic ball; 5. a raw material frame; 6. an oxygen inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a be used for lead smelting in-process oxygen boosting side blown converter smoke and dust secondary to return to stove and utilize device, includes furnace body 1, furnace cover 2 is installed in the top rotation of furnace body 1, the inboard fixed mounting in upper end of furnace body 1 has recovery mechanism 3, the inboard of recovery mechanism 3 is provided with deashing mechanism 4, the inboard movable mounting of lower extreme of furnace body 1 has former work or material rest 5, the lower extreme left side fixed mounting of furnace body 1 has into oxygen mouth 6.
Recovery mechanism 3 includes fixed block 31, advances cigarette mouth 32, guiding mechanism 33, motor 34, guiding gutter 35, collection cigarette spare 36, goes out cigarette head 37 and dust screen 38, fixed block 31 fixed mounting is inboard in furnace body 1 upper end, it sets up the left side lower extreme at furnace body 1 to advance cigarette mouth 32, guiding mechanism 33 movable mounting is in the upper end of fixed block 31, guiding mechanism 33 includes rotation post 331, guide vane 332 and connecting piece 333, it installs inboard in the bottom of fixed block 31 to rotate post 331 through the bearing rotation, guide vane 332 fixed mounting is in the both sides of rotation post 331, connecting piece 333 fixed mounting is at the top of rotation post 331, and rotation post 331 passes through connecting piece 333 and motor 34 output end activity joint, motor 34 fixed mounting is at the inboard center in the bottom of bell 2, guiding gutter 35 sets up the inboard at bell 2, collection cigarette spare 36 fixed mounting is at the top center of bell 2, and the smoke collecting piece 36 is connected with the upper end of the diversion trench 35 through a conduit, the smoke outlet 37 is fixedly arranged at the inner side of the bottom of the furnace body 1, the smoke outlet 37 is connected with the smoke collecting piece 36 through a conduit, and the dust screen 38 is fixedly arranged at the top of the smoke outlet 37.
The ash cleaning mechanism 4 comprises a movable ball 41, a push block 42, a sliding groove 43 and an ash cleaning piece 44, the movable ball 41 is movably arranged in a cavity at the inner side of the ash cleaning mechanism 4 through a spring, the push block 42 is movably connected with the movable ball 41 through a transmission rod, the push block 42 is movably arranged at the inner side of the sliding groove 43, the push block 42 comprises a stop 421 and an elastic spring leaf 422, the stop 421 is movably arranged in a groove at one side of the push block 42 far away from the movable ball 41 through the elastic spring leaf 422, the sliding groove 43 is arranged at the front side of the ash cleaning mechanism 4, the ash cleaning piece 44 is movably arranged between two adjacent sliding grooves 43, the ash cleaning piece 44 comprises a movable groove 441, a contact block 442, a rebound piece 443, a friction block 444, a magnetic column 445 and a counterweight magnetic ball 446, the movable groove 441 is arranged at the inner side of the guide vane 332, the contact block 442 is movably arranged in the movable groove 441 through a spring, the rebound piece is movably arranged at one end of the movable groove 441, and the rebounding member 443 contacts with one side of the contact block 442, the friction block 444 is rotatably installed on the front and back of the guide vane 332 through a rotating shaft, the friction block 444 and the contact block 442 are fixedly connected through the rotating shaft, the magnetic columns 445 are fixedly installed at two ends of the inner side grooves of the friction block 444, the counterweight magnetic balls 446 are movably installed in the inner side grooves of the friction block 444, and the counterweight magnetic balls 446 are magnetically connected with the magnetic columns 445.
When the device is used, the raw material frame 5 is pumped, raw materials are placed at the top of the raw material frame 5 and the raw material frame 5 is pushed into the furnace body 1, the oxygen generator is connected to the oxygen inlet 6 to provide oxygen-enriched conditions for the device, the switch is turned on, the heating device in the furnace body 1 heats and burns the raw materials to form soot containing a large amount of impurity elements, the motor 34 rotates to drive the guide vanes 332 to move, so that the air flow rate at the upper end of the inner side of the furnace body 1 is accelerated, the soot generated by combustion is sent into the guide mechanism 33 through two sides of the fixed block 31 and enters the guide groove 35 under the guide of the guide mechanism 33, the guide groove 35 is communicated with the soot collecting piece 36, the soot is concentrated by the soot collecting piece 36 and is discharged to the smoke outlet 37 through the guide pipe under the circulation of gas, the secondary soot is released at the upper end of the smoke outlet 37 to react with the raw materials again, the utilization rate of the raw materials is increased, and when the guide vanes 332 rotate, under the action of centrifugal force and gravity, the movable ball 41 drives the push block 42 to move, the contact block 442 extrudes the resilient part 443 under the pushing of the push block 42, the friction block 444 is driven to swing left and right on the outer side of the guide vane 332, dust on the surface of the guide vane 332 is cleaned, the left and right swinging increases the cleaning range of the friction block 444, the cleaning effectiveness is enhanced, the dust on the surface of the guide vane 332 is cleaned through the reciprocating friction block 444, the dust is prevented from covering the outer side of the guide vane 332, the rotating speed of the guide vane 332 is prevented from being slowed down, the working efficiency of the device is reduced, when the ash cleaning mechanism 446 4 works, the counterweight magnetic ball 446 swings in the inner cavity of the friction block 444, the swinging frequency is increased under the repulsive force of the magnetic column 445, and the cleaning efficiency of the friction block 444 is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A secondary back-fire utilization device for oxygen boosting side-blown converter smoke and dust among lead smelting process, including furnace body (1), its characterized in that: the furnace cover (2) is rotatably installed at the top of the furnace body (1), the recovery mechanism (3) is fixedly installed on the inner side of the upper end of the furnace body (1), the ash removal mechanism (4) is arranged on the inner side of the recovery mechanism (3), the raw material rack (5) is movably installed on the inner side of the lower end of the furnace body (1), and the oxygen inlet (6) is fixedly installed on the left side of the lower end of the furnace body (1); retrieve mechanism (3) and include fixed block (31), advance mouth of cigarette (32), water conservancy diversion mechanism (33), motor (34), guiding gutter (35), collection cigarette spare (36), play cigarette head (37) and dust screen (38), fixed block (31) fixed mounting is inboard in furnace body (1) upper end, advance mouth of cigarette (32) and set up the left side lower extreme at furnace body (1), water conservancy diversion mechanism (33) movable mounting is in the upper end of fixed block (31), motor (34) fixed mounting is at the inboard center in bottom of bell (2), the inboard in bell (2) is set up in guiding gutter (35), collection cigarette spare (36) fixed mounting is at the top center of bell (2), and collection cigarette spare (36) meet through the upper end of pipe with guiding gutter (35), it is inboard in the bottom of furnace body (1) to go out cigarette head (37) fixed mounting, goes out cigarette head (37) and meets with collection cigarette spare (36) through the conduction pipe, the dust screen (38) is fixedly arranged on the top of the cigarette outlet head (37).
2. The secondary recycling device for the smoke dust of the oxygen-enriched side-blown converter in the lead smelting process, according to claim 1, is characterized in that: the ash removal mechanism (4) comprises a movable ball (41), a pushing block (42), a sliding groove (43) and an ash removal part (44), wherein the movable ball (41) is movably arranged in a cavity on the inner side of the ash removal mechanism (4) through a spring, the pushing block (42) is movably connected with the movable ball (41) through a transmission rod, the pushing block (42) is movably arranged on the inner side of the sliding groove (43), the sliding groove (43) is arranged on the front side of the ash removal mechanism (4), and the ash removal part (44) is movably arranged between two sliding grooves (43) which are adjacent up and down.
3. The secondary recycling device for the smoke dust of the oxygen-enriched side-blown converter in the lead smelting process, according to claim 2, is characterized in that: flow guide mechanism (33) are including rotating post (331), guide vane (332) and connecting piece (333), it is inboard in the bottom of fixed block (31) to rotate post (331) through the bearing rotation, guide vane (332) fixed mounting is in the both sides of rotating post (331), connecting piece (333) fixed mounting is at the top of rotating post (331), rotates post (331) and passes through connecting piece (333) and motor (34) output activity joint.
4. The secondary recycling device for the smoke dust of the oxygen-enriched side-blown converter in the lead smelting process, according to claim 3, is characterized in that: the push block (42) comprises a stop block (421) and an elastic spring leaf (422), and the stop block (421) is movably arranged in a groove on one side, far away from the movable ball (41), of the push block (42) through the elastic spring leaf (422).
5. The secondary recycling device for the smoke dust of the oxygen-enriched side-blown converter in the lead smelting process, according to claim 3, is characterized in that: the ash cleaning piece (44) comprises a movable groove (441), a contact block (442), a rebound piece (443), a friction block (444), a magnetic column (445) and a counterweight magnetic ball (446), the movable groove (441) is arranged at the inner side of the guide vane (332), the contact block (442) is movably arranged in the movable groove (441) through a spring, the rebound part (443) is movably arranged at one end of the movable groove (441), the rebounding piece (443) contacts with one side of the contact block (442), the friction block (444) is rotatably installed on the front and back of the guide vane (332) through a rotating shaft, the friction block (444) is fixedly connected with the contact block (442) through a rotating shaft, the magnetic columns (445) are fixedly arranged at two ends of the inner side groove of the friction block (444), the counterweight magnetic ball (446) is movably arranged in the inner side groove of the friction block (444), and the counterweight magnetic ball (446) is magnetically connected with the magnetic column (445).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110309538.0A CN113201656B (en) | 2021-03-23 | 2021-03-23 | Secondary recycling device for smoke dust of oxygen-enriched side-blown converter in lead smelting process and process method thereof |
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| CN202110309538.0A CN113201656B (en) | 2021-03-23 | 2021-03-23 | Secondary recycling device for smoke dust of oxygen-enriched side-blown converter in lead smelting process and process method thereof |
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| CN113201656A CN113201656A (en) | 2021-08-03 |
| CN113201656B true CN113201656B (en) | 2022-04-22 |
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| CN116254419B (en) * | 2023-03-10 | 2024-10-11 | 安徽华铂再生资源科技有限公司 | Slag discharging structure of side-blowing furnace for recycling lead storage battery |
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