CN201704417U - Cleaning and preheating system for electrolytic aluminium cathode steel bar - Google Patents
Cleaning and preheating system for electrolytic aluminium cathode steel bar Download PDFInfo
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- CN201704417U CN201704417U CN2010201363160U CN201020136316U CN201704417U CN 201704417 U CN201704417 U CN 201704417U CN 2010201363160 U CN2010201363160 U CN 2010201363160U CN 201020136316 U CN201020136316 U CN 201020136316U CN 201704417 U CN201704417 U CN 201704417U
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- steel bar
- cathode steel
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- transfer roller
- cleaning
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Abstract
The utility model relates to a cleaning and preheating system for an electrolytic aluminium cathode steel bar, which mainly consists of a conveying system, a longitudinal screw conveyer, a cleaning room, a impeller head, a bucket elevator, a shot sand separator, a heater, a preheater, a conveyer and a pneumatic system. The cleaning and preheating system adopts a shot blasting cleaning mode, i.e. utilizes impact force of fine steel shots to peel off oxide skin and iron rust on the cathode steel bar, and adopts an electrical heating and blasting matching mode to heat the cathode steel bar to continuously blow hot air into a heating chamber so as to take effect of rapidly heating the steel bar. The cleaning and preheating system for the cathode steel bar of the utility model is controlled by a PLC, is simple and convenient to operate, greatly reduces labor intensity of workers and is energy-saving, efficient and environment-friendly. The system is suitable for carrying out rust removal on the surface of the cathode steel bar when an electrolytic cell of an aluminium electrolysis plant is installed and overhauled and preheats the steel bar before the cathode steel bar and a carbon block are assembled so that the steel bar is used when reaching the temperature required by assembly.
Description
Technical field
The utility model relates to the electrolytic aluminum cathode steel bar and cleans preheating technology.
Background technology
The electrolyzer that Aluminum Electrolysis Production is used need carry out the assembling of charcoal piece before building groove or groove overhaul.In order to reduce the quality of volts lost and assurance electrolyzer, need the anticathode rod iron to carry out surface derusting (promptly cleaning) and heating.The traditional method of carrying out the cathode steel bar surface derusting is pickling, and its shortcoming is to become rusty on the easy secondary, and a large amount of spent acid of discharging pollute the environment; Tradition is carried out the method for preheating, adopts the potoven heating more, and its heat-up time is long, the energy consumption height, and efficient is low.
The utility model content
The purpose of this utility model is, overcomes that traditional method is cleaned and the shortcoming of preheating cathode rod iron, provides a kind of can the raising to clean and thermal mass, easy and simple to handle, the cleaning pre-heating system that reduces labor intensity in advance.
The utility model is achieved in that
Form by delivery system 1, longitudinal spiral transfer roller 2, cleaning chamber 3, impeller head 4, chapelet 5, shot-sand separator 6, well heater 7, preheating machine 8, transfer roller 9 and pneumatic system 10; Longitudinal spiral transfer roller 2 is positioned at the bottom of shot blast room 4; Impeller head 4 is placed in the both sides of cleaning chamber 3; The opening for feed of chapelet 6 links to each other with spiral conveyer (2), and its discharge port links to each other with shot-sand separator 6; Longitudinal spiral transfer roller 2 is installed in the bottom of cleaning chamber 3; Impeller head 4 is installed in the side of cleaning chamber 3; Chapelet 5 links to each other with longitudinal spiral transfer roller 2; Shot-sand separator 6, be installed in chapelet 5 sides; Well heater 7 is positioned at preheating machine 8 tops; Delivery system 1 and transfer roller 9 run through entire equipment.
Said delivery system 1 is made up of roller-way, motor, speed reduction unit, chain; Driven by motor chain, roller-way rotate.
Longitudinal spiral transfer roller 2 is two, is vertical in length and breadth, is made up of handling machinery, conveyor motor, cycloidal planetary gear speed reducer, and conveyor motor drives the handling machinery rotation by cycloidal planetary gear speed reducer.
Said cleaning chamber 3 mainly is made up of shot blast room, blowing mouth, ball material circularly purifying system.The air suction inlet is used for blowing off the residual dust on the rod iron in the shot blast room front, ball material circularly purifying system is on shot blast room top, and main effect is to purify ball material Circulation.
Said impeller head 4 is four.
Said shot-sand separator 6 is full curtain formula shot-sand separator
Said well heater 7 has two covers, is made up of heater body part, air-supply pipeline, induced draft fan, and the air-supply pipeline is connected to add holds the device side, and two induced draft fans are installed in two well heater two ends respectively.
Said preheating machine 8 is the body of heater of native system, between inboard wall of furnace body and the outer wall lagging material is arranged.
The utility model adopts ball blast to clean aspect cleaning, utilizes the surging force of thin shot to peel off oxide skin and iron rust on the cathode steel bar, reaches the purpose of cleaning.
The utility model adopts the mode anticathode rod iron of electrically heated and air blast cooperation to heat aspect the preheating.Electric heater and gas blower start simultaneously, and hot blast is blown into heating chamber endlessly, thereby play the effect that heats to rod iron fast.
The cathode steel bar of the utility model cleans pre-heating system, adopts PLC control, and is easy and simple to handle, alleviated working strength of workers greatly, and efficient, energy-saving and environmental protection.Native system is applicable to when the electrolyzer of electrolytic aluminium plant is installed with overhaul, uses when eliminate rust in anticathode rod iron surface; Before cathode steel bar and the assembling of carbon piece, rod iron is carried out preheating, make it to reach when assembling the temperature that requires and use.
Description of drawings
Fig. 1. organigram of the present utility model
Among the figure: the 1st, delivery system, the 2nd, longitudinal spiral transfer roller, the 3rd, shot blast room, the 4th, impeller head, the 5th, chapelet, the 6th, shot-sand separator, the 7th, well heater, the 8th, preheating machine, the 9th, transfer roller, the 10th, pneumatic system.
Embodiment
Below in conjunction with embodiment of accompanying drawing narration, the utility model is elaborated.
Fig. 1 has shown the entire system structure of present embodiment.Mainly form by delivery system 1, longitudinal spiral transfer roller 2, cleaning chamber 3, impeller head 4, chapelet 5, shot-sand separator 6, well heater 7, preheating machine 8, transfer roller 9 and pneumatic system 10; Longitudinal spiral transfer roller 2 is positioned at the bottom of shot blast room 4; Impeller head 4 is placed in the both sides of cleaning chamber 3; The opening for feed of chapelet 6 links to each other with spiral conveyer 2, and its discharge port links to each other with shot-sand separator 6; Wherein longitudinal spiral transfer roller 2 is installed in the bottom of cleaning chamber 3, and impeller head 4 is installed in the both sides of cleaning chamber 3 respectively; Chapelet 5 links to each other with longitudinal spiral transfer roller 2; Shot-sand separator 6, be installed in chapelet 5 sides, well heater 7 is positioned at preheating machine 8 tops; Delivery system 1 and transfer roller 9 run through entire equipment.
The structure of each several part, the operation as follows:
1. delivery system 1, is made up of roller-way, motor, speed reduction unit, chain; Driven by motor chain, roller-way rotate.Before the workpiece cleaning by manually work piece hoisting to roller-way, driven by motor chain, roller-way rotate, workpiece goes out the chamber discharging after being cleaned out when cleaning chamber.The gait of march of roller-way is between 0.3-3m/min, and is adjustable continuously
Speed control by frequency variation
2. the longitudinal spiral transfer roller 2, are made up of handling machinery, conveyor motor, cycloidal planetary gear speed reducer, and conveyor motor drives the handling machinery rotation by cycloidal planetary gear speed reducer.During work, conveyor motor drives the handling machinery rotation by cycloidal planetary gear speed reducer, and is not only separate but also overlap, and the ball material is transported to discharge opening, flows into chapelet then.
3. cleaning chamber 3, mainly are made up of shot blast room, blowing mouth, ball material circularly purifying system.The air suction inlet is used for blowing off the residual dust on the rod iron in the shot blast room front; Ball material circularly purifying system is on shot blast room top, and main effect is to purify ball material Circulation.Shot blast room is welded by steel plate, and the chamber body sidewall posts the protective shield that high-chromium abrasion-proof cast iron is made. protection chamber body.At charging and discharging mouth place, be provided with the multilayer rubber sealing curtain, prevent that bullet from flying out; Top at the cleaning chamber exit end disposes high pressure positive blower.By air knife the cleaning chamber workpiece end face is purged.Remove the long-pending son on the workpiece.
4. impeller head 4, have four, are placed in the both sides of cleaning chamber 3.
5. chapelet 5, mainly are made up of the lift fuselage and the tightening device that promote motor, cycloidal-pin wheel speed reduction unit, upward bottom roller, tape carrier, hopper, sealing.The opening for feed of chapelet links to each other with spiral conveyer, and its discharge port links to each other with separator.The lift case is provided with access door, can keep in repair and change hopper: open the door closure on the lower encioser. can keep in repair the bottom transmission rig. also can get rid of the bullet that the bottom is stopped up.This machine adopts the flat belt transmission. is enclosed within on the last bottom roller of lift.During work, the hopper that is fixed on the tape carrier sweeps the ball material of lift bottom, accept simultaneously to push away the shot that comes from horizontal spiral conveyer. then under the driving that promotes motor, the ball material is risen to the top of lift, the ball material is thrown in the separator by centrifugal and gravity; Tape carrier is non-slip during for assurance work, and roller makes squirrel-cage sometimes. and so both improve the frictional force between elevator belt and roller, avoided the phenomenon of slipping of belt again.
6. shot-sand separator 6, are full curtain formula.The ball material flows into mesh screen from chapelet, and the foreign material in the pill-sand mixture, burr, overlap, iron filings etc. filter isolation by the separator upper screen cloth.Pill-sand mixture is uniform along the stream plate in the separator, completely slips the tentiform attitude thereby form, and enters in the following selection by winnowing district.At this moment, the fly-ash separator blower fan is by separator exhausting hole exhausting, and bullet and burning skin fragment, broken bullet, dust are isolated: the macrobead waste material flows out from separator ball material overflow port; Tiny ball material, dust flow out from waste outlet.Bullet after the purification enters the ball feed bin and circulates.Adjust the vertical adjusting plate of separator and the sealing between the horizontal adjustment plate, can change the thickness and the movement locus of bed of cloth and cooperate the controllable register of adjusting the disengaging zone, can obtain good separation and decontamination effect improving.
7. well heater 7, and two covers are arranged, and are made up of heater body part, air-supply pipeline, induced draft fan, and the air-supply pipeline is connected to add holds the device side.Two induced draft fans are installed in two well heater two ends respectively, impel hot air circulation, reach the purpose of heating.
8. preheating machine 8, are the body of heater of native system, between inboard wall of furnace body and the outer wall lagging material arranged.
9. well heater 7, are the electro-heat equipments of native system.Pre-heating system has two cover well heaters, and its formation is identical, mainly contains heater body part, air-supply pipeline, induced draft fan and power section and forms.Each well heater provides the heat of 140kw by the inner heating tube of laying, and the total power of heating system is 280kw.Native system is the indirect heating resistance furnace, with respect to other resistance furnace, be characterized in having adopted the forced air circulation type of heating, its benefit is the heat exchange of having accelerated between heater block and the workpiece, effectively raise the thermo-efficiency of body of heater, improved the rate of heating of complete machine.
10. preheating machine 8, and preheating machine is as the body of heater of native system, and main effect is that workpiece is heated and is incubated.Agent structure adopts shaped steel to be welded, and under the prerequisite of proof strength, external form is succinctly easy to assemble, is convenient to maintenance and maintenance.The key of preheating machine is insulation and keeps resistance to air loss, so be the good lagging material of heat-proof quality between inboard wall of furnace body and the outer wall; Note adopting ceramic fiber blanket to seal at the seam crossing of each parts, after assembling finishes, also will carry out airtight test.
11. transfer roller 9, the acting as loading and unloading and realize that workpiece moves in that stove is intravital of transfer roller 12.Be characterized in: adopt two motors to control workpiece respectively, and be provided with trigger switch, judge the workpiece present position at Liang Chu in the intravital motion of stove.Owing to require insulation, make the time that as far as possible reduces the switch fire door, so rod iron passes to pre-heating system from a last operation with the speed of 1m/min, when arriving the forward trigger switch, oven door opening, transfer roller will move forward with the speed of 10m/min and enter in the stove, and fire door is closed automatically thereupon.Can hold two groups of four rod irons in the body of heater simultaneously, by two motors, can control easily two groups just rod in the intravital motion of stove with stop.Behind fire door, install the wind shelves additional, reduce the output of warm air in switch fire door process, reduce energy waste.
12. pneumatic system 10 is auxiliary pneumatic system 13, its effect is the lifting of control fire door.Mainly be made up of two fire door lift cylinders, pneumatic control component and air supply parts, native system cooperates with electrical control system, finishes the automatic lifting function of fire door.
Claims (8)
1. the electrolytic aluminum cathode steel bar cleans and pre-heating system, it is characterized in that, form by delivery system (1), longitudinal spiral transfer roller (2), cleaning chamber (3), impeller head (4), chapelet (5), shot-sand separator (6), well heater (7), preheating machine (8), transfer roller (9) and pneumatic system (10); Longitudinal spiral transfer roller (2) is positioned at the bottom of shot blast room (4); Impeller head (4) is placed in the both sides of cleaning chamber (3); The opening for feed of chapelet (6) links to each other with spiral conveyer (2), and its discharge port links to each other with shot-sand separator (6); Longitudinal spiral transfer roller (2) is installed in the bottom of cleaning chamber (3); Impeller head (4) is installed in the side of cleaning chamber (3); Chapelet (5) links to each other with longitudinal spiral transfer roller (2); Shot-sand separator (6), be installed in chapelet (5) side; Well heater (7) is positioned at preheating machine (8) top; Delivery system (1) and transfer roller (9) run through entire equipment.
2. clean and pre-heating system according to the described cathode steel bar of claim 1, it is characterized in that: delivery system (1) is made up of roller-way, motor, speed reduction unit, chain; Driven by motor chain, roller-way rotate.
3. clean and pre-heating system according to the described cathode steel bar of claim 1, it is characterized in that: longitudinal spiral transfer roller (2) is two, be vertical in length and breadth, be made up of handling machinery, conveyor motor, cycloidal planetary gear speed reducer, conveyor motor drives the handling machinery rotation by cycloidal planetary gear speed reducer.
4. clean and pre-heating system according to the described cathode steel bar of claim 1, it is characterized in that: cleaning chamber (3), mainly form by shot blast room, blowing mouth, ball material circularly purifying system.The air suction inlet is used for blowing off the residual dust on the rod iron in the shot blast room front, ball material circularly purifying system is on shot blast room top, and main effect is to purify ball material Circulation.
5. clean and pre-heating system according to the described cathode steel bar of claim 1, it is characterized in that: said impeller head (4) is four.
6. clean and pre-heating system according to the described cathode steel bar of claim 1, it is characterized in that: said shot-sand separator (6) is full curtain formula shot-sand separator
7. clean and pre-heating system according to the described cathode steel bar of claim 1, it is characterized in that: well heater (7) has two covers, be made up of heater body part, air-supply pipeline, induced draft fan, the air-supply pipeline is connected to add holds the device side, and two induced draft fans are installed in two well heater two ends respectively.
9. clean and pre-heating system according to the described cathode steel bar of claim 1, it is characterized in that: preheating machine (8) is the body of heater of native system, between inboard wall of furnace body and the outer wall lagging material is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201363160U CN201704417U (en) | 2010-03-19 | 2010-03-19 | Cleaning and preheating system for electrolytic aluminium cathode steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201363160U CN201704417U (en) | 2010-03-19 | 2010-03-19 | Cleaning and preheating system for electrolytic aluminium cathode steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201704417U true CN201704417U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201363160U Expired - Fee Related CN201704417U (en) | 2010-03-19 | 2010-03-19 | Cleaning and preheating system for electrolytic aluminium cathode steel bar |
Country Status (1)
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|---|---|
| CN (1) | CN201704417U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999373A (en) * | 2015-08-07 | 2015-10-28 | 广西百色银海铝业有限责任公司 | Sand milling machine and feed system |
| CN105312260A (en) * | 2014-08-01 | 2016-02-10 | 江西瑞林装备有限公司 | Decontamination equipment for conductive rod |
| CN103806016B (en) * | 2012-11-06 | 2017-05-17 | 贵阳铝镁设计研究院有限公司 | Method and device for cleaning cathode steel bar |
-
2010
- 2010-03-19 CN CN2010201363160U patent/CN201704417U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103806016B (en) * | 2012-11-06 | 2017-05-17 | 贵阳铝镁设计研究院有限公司 | Method and device for cleaning cathode steel bar |
| CN105312260A (en) * | 2014-08-01 | 2016-02-10 | 江西瑞林装备有限公司 | Decontamination equipment for conductive rod |
| CN104999373A (en) * | 2015-08-07 | 2015-10-28 | 广西百色银海铝业有限责任公司 | Sand milling machine and feed system |
| CN104999373B (en) * | 2015-08-07 | 2017-12-22 | 广西百色银海铝业有限责任公司 | A kind of sand milling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Xiaoming Inventor before: Wang Xiaoming |
|
| DD01 | Delivery of document by public notice |
Addressee: LANZHOU DELITAI ELECTRONIC & ELECTRICAL CO., LTD. Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20160319 |