CN102327804A - Closed type production line device and method for crushing aluminum oxide crusted blocks - Google Patents
Closed type production line device and method for crushing aluminum oxide crusted blocks Download PDFInfo
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- CN102327804A CN102327804A CN201110187755A CN201110187755A CN102327804A CN 102327804 A CN102327804 A CN 102327804A CN 201110187755 A CN201110187755 A CN 201110187755A CN 201110187755 A CN201110187755 A CN 201110187755A CN 102327804 A CN102327804 A CN 102327804A
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Abstract
The invention discloses a closed type production line device and a method for crushing aluminum oxide crusted blocks. In the invention, materials are crushed primarily on a production line, so that the feeding particle size is less than or equal to 300 millimeters, the discharging particle size is less than or equal to 1 millimeter, a standard discharging particle size which can only be reached by performing secondary and tertiary crushing is reached, the production efficiency is increased, the consumption is lowered, and aluminum oxide crusted blocks are recycled in time; and automatic running of the entire production line is controlled through an electric control system, so that dust purification in the crushing process is realized simultaneously. The closed type production line device consists of a mechanical part and an electric control part, wherein the mechanical part consists of a crusher, an iron remover, a conveyer, a raw material cabin, a gate valve, a vibratory feeder, a pulverizing mill, an air locking discharge valve, a coarse powder separator, a cyclone dust collector, a circular fan, a bag type dust collector, an exhaust fan, iron removers and a finished product cabin. The method for crushing the aluminum oxide crusted blocks comprises feeding, pulverizing, material separating, air replenishing, material and dust collecting and material storing in sequence. The device and the method are safe, environmentally-friendly and efficient, and energy is saved.
Description
Technical field
The present invention relates to the apparatus and method of broken production line, especially a kind of closed circuit product line device and method of broken aluminium oxide crust piece.
Background technology
In recent years, the aluminum electrolysis industry development is added up demonstration since calendar year 2001 rapidly, and the demand of domestic electrolytic aluminium is with the speed increment in 1,000,000 tons of every year; By the end of the year 2003, the Aluminum Electrolysis Production ability reaches 8,340,000 tons; By 2008, the Aluminum Electrolysis Production ability reached 1,250 ten thousand tons.Along with the quick growth of China's electrolytic aluminium output, the aluminium oxide crust piece that aluminium electrolysis enterprise is left over aborning also increases thereupon.Yet the crushing process research and development present situation of domestic aluminium oxide crust piece only is confined to individual equipment is is wherein rectified and improved and improved; As at present very many, but the mutual coupling of integral device and individual equipment is not done further research for the research of equipment such as grinding machine, grader, deduster.Information according to the announcement of association of China Non-Ferrous Metals Industry; Have 12% to adopt the aluminium oxide crust piece treatment process that falls behind in the electrolytic aluminium production capacity of the whole nation approximately; At present; In the comprehensive recycling process of aluminium oxide crust piece, generally adopt two kinds of technology modes: a kind of is multiple stage crushing technology, and a kind of is the Raymond mill crushing process.
One, multiple stage crushing technology: adopt two stage crusher that material is carried out fragmentation, be delivered to vibratory sieve through belt then material is carried out classification, then be delivered to finished bin by conveying equipment.But equipment failure rate is high in this technology, and maintenance cost is big, and the disintegrating apparatus liner plate is not wear-resisting, thereby operation rate is reduced.The material airborne dust is bigger in the whole system running, and site environment can not reach environmental requirement, and the worker laboring environment is poor.
Two, Raymond mill crushing process: adopt Raymond mill that the aluminium oxide piece that crusts is worn into powder; Efficient is low, the problem of the bad control of material yet exist; Be mainly reflected in 1, when the hardness of aluminium oxide crust piece is high, the speed of Raymond mill abrasive dust is too slow, and self wearing and tearing of Raymond mill are also serious; When 2, the water content of aluminium oxide crust piece is big, in Raymond mill, adhere to easily, also in the blanking conveying process, stop up easily, cause Raymond mill production capacity to reduce; 3, when aluminium oxide crust piece fineness of grinding being required when high, then Raymond mill abrasive dust ability is little; When 4, being doped with fine powder before the aluminium oxide crust piece abrasive dust, need to cross in advance once sieve; Otherwise these fine powders adhere to the conveying that material is worn in influence easily in raymond mill; 5, Raymond mill self structure, the wearability of tup, Hubei Province plate has determined the abrasive dust ability of Raymond mill to a certain extent, therefore is difficult to adapt to big industrial expansion requirement.
According to the above; Because aluminium electrolysis enterprise generally adopts the treatment process of backward aluminium oxide crust piece; The big industrial factors of influence such as the said method working (machining) efficiency is low, equipment failure rate is high, automaticity is low, and plant maintenance and maintenance workload are big, labor strength is high and the potroom environment is damaged; The quantum of output that causes aluminium oxide crust piece is far above yield; Form a large amount of overstocking; Cause the maintenance cost of transportation and warehouse cost, broken processing cost and device therefor of aluminium oxide crust piece high, therefore be badly in need of a kind of crushing process of alumina crusting block and production line thereof that is applicable to big suitability for industrialized production.
Summary of the invention
The objective of the invention is in order to overcome deficiency of the prior art, a kind of closed circuit product line device and method of broken aluminium oxide crust piece is provided, make material pass through the broken processing of production line one-level; Realized material size≤300mm; Discharging-material size≤1mm has reached 2 to 3 grades of standard discharging-material sizes that just can reach in the past, has improved production efficiency; Reduced consumption, made the aluminium oxide crust in time obtain recycling; And through the automatic operating of electric control system control whole production line, reach the shattering process dust purification simultaneously.
The present invention adopts following technical scheme to achieve these goals: a kind of closed circuit product line device of broken aluminium oxide crust piece is to be made up of mechanical part and electric control system, and described mechanical part is by disintegrating machine, tramp iron separator; Conveyer, former feed bin, push-pull valve, oscillating feeder, flour mill; Lock wind discharge valve, mill separator, rotoclone collector, circulating fan, bag filter; Exhaust blower, tramp iron separator, tramp iron separator, finished bin constitutes; The below device conveyer of disintegrating machine; Pass through plumbing installation first tramp iron separator between conveyer and the disintegrating machine; The former feed bin of below device of conveyer one end is connected push-pull valve through pipeline between the below device oscillating feeder of former feed bin, oscillating feeder and former feed bin;
The below device flour mill of oscillating feeder one end, the top of flour mill one side connects mill separator through pipeline, locks the wind discharge valve through plumbing installation between the charging aperture of mill separator and flour mill opposite side;
Be connected pipeline between one side on rotoclone collector top and the top of mill separator; The top of rotoclone collector connects circulating fan through pipeline; One side of circulating fan top connects bag filter through pipeline, and a side of bag filter connects exhaust blower through pipeline;
The below device finished bin of rotoclone collector is passed through plumbing installation second tramp iron separator between finished bin and the rotoclone collector; Pass through plumbing installation the 3rd tramp iron separator between the below of bag filter and the finished bin;
Be connected pipeline between one side of circulating fan and flour mill charging aperture.
The end cap of described flour mill is inboard through the protruding end cap liner plate of bolt connecting band, and the cylindrical shell inboard of flour mill is connected with the shell liner of lift block through bolt.
The stator of described mill separator is made up of stator axis and stator vane; Stator vane is arranged on the stator axis along the stator axis tangential direction, and axle head stretches out external shell on the stator axis.
Add the metal separation machine under the described finished bin.
Described electric control system is made up of industrial computer, PLC, frequency conversion speed-adjusting system, sound and light alarm display system and sensor-based system; The output of said industrial computer is provided with PLC through order wire; PLC output signal is provided with frequency conversion speed-adjusting system through order wire; Realize the action of plant equipment, the frequency conversion speed-adjusting system output is set up in parallel flour mill motor, circulating fan motor, exhaust blower motor through order wire.PLC output signal is provided with the sound and light alarm display system through order wire, realizes device failure alert; The sensor-based system feedback signal is set to PLC with the run signal of plant equipment through order wire, and PLC transmission signal gives industrial computer and through the online display device ruuning situation of industrial computer, the operation information of operating personnel on industrial computer is transferred to PLC through order wire.
Described frequency conversion speed-adjusting system is made up of the frequency converter that is arranged on flour mill motor, circulating fan motor, the exhaust blower motor.
Described sensor-based system is made up of the pressure sensor that is arranged on temperature sensor on the flour mill main brasses, is arranged on pipeline enclosure.
A kind of closed circuit product line method of broken aluminium oxide crust piece is to be carried out successively by the following step:
(a), feed:
Aluminium oxide crust piece " hereinafter to be referred as material " is transported to batcher by former feed bin through push-pull valve, gets into flour mill by batcher;
(b), grinding:
Material is grinding under the flour mill effect: be fixed with the shell liner that promotes bar in the flour mill material is risen to certain altitude, material is tumbled by the state that rushes down, material impacts grinding each other and pulverizes; And the convexity setting on the end cap liner plate makes material collide the back and take place to come and go spring, thereby the mixing material effectively prevents the generation of segregation phenomena, has also prolonged the service life of equipment consumable accessory in the time of the broken mill of raising effect;
(c), feed separation:
Material behind the grinding is under the effect of circulating fan; Be transferred to mill separator through conveying pipeline; Material gets into the concentric annular zone that discharging opening inwall and stator inner ring form uniformly under the stator effect of mill separator---and in the main graded region, in this zone, material directly impacts on the discharging opening inwall under circulating fan wind-force drives; The movement velocity of material is reduced; Because the gravity of large granular materials is greater than the power that drives its motion, so nature landing under the effect of himself gravity turns back to flour mill again through refeed line and carries out grinding; The gravity of small particles material, is collected material by it so under the drive of wind, get into rotoclone collector through discharging opening less than the power that drives its motion;
(d), mend wind:
Gas by after the rotoclone collector separation is mended wind through circulating fan to flour mill;
(e), rewinding is gathered dust:
Under the exhaust blower effect, few part dusty gas carries out secondary through bag filter and gathers dust, and wherein bag filter feeds deashing and uses compressed air; Finished product materials after gathering dust gets into finished bin through elephant trunk, directly enters in the atmosphere through purified gas by exhaust blower; And the finished product materials after rotoclone collector is collected is delivered to finished product bin through star-like revolving plow reclaimer via elephant trunk;
(f), material stores:
Material after two dust-precipitators are collected directly is delivered to finished bin, adds the metal separation machine under the finished bin, removes metal impurities, is delivered to desired area according to the needs of demanding party.
The operation principle that PLC of the present invention controls system is the control to following four parts:
The variable frequency regulating speed control of A, motor and demonstration; According to production technology; In PLC, flour mill motor, circulating fan motor, exhaust blower motor are write the different rotating speed instruction; Being transferred to industrial computer shows reference on its interface on the one hand after PLC handles; Output order is given and is placed the frequency converter on the above-mentioned motor, frequency converter will obtain different frequency output on the other hand, can be started according to predetermined speed by the motor of frequency conversion drive.Wherein the adjustment of the speed of flour mill can be carried out according to the size of advancing material piece, to satisfy the broken demand of different material; The wherein speed of circulating fan motor adjustment is regulated the speed of circulating fan according to the semi-finished product granule size after the fragmentation, thereby is adjusted air quantity to satisfy different grain size requirement and the requirement of production output; The speed regulation of exhaust blower also can be given according to production technology changes and regulated draft capacity and granule size, has practiced thrift electric energy on the one hand, reduces exhaust emission on the other hand.
The control of B, lubricating system and demonstration; Lubricating system oil pressure, oil temperature, oil level, flow signal are all sent into PLC; Monitor its duty, and be transferred to its numerical values recited of industrial computer demonstration, ensure that lubricating system can normally provide lubricated to the flour mill bearing bush; PLC outputs signal to the sound and light alarm display system when appearance is unusual, makes its action and warning reminding staff.
C, the control of flour mill main brasses temperature and demonstration; The main brasses temperature is an important indicator of flour mill duty quality; Utilize temperature sensor to gather flour mill main brasses temperature, and pass to PLC to the information that is collected and handle, the information after the processing is transferred to industrial computer on the one hand and shows; Export to the sound and light alarm display system on the other hand, report to the police automatically when the main brasses temperature is high.
D, the control of pipeline valve blast; Utilize pressure sensor to gather pipeline pressure; And pass to PLC to accepting and believing breath and handle, the processing back is transferred to industrial computer on the one hand as showing reference, sends valve opening variation instruction according to the technology settings on the other hand and regulates pipeline pressure to actuator.Force value, i.e. whether air quantity control recycles between flour mill, mill separator finished particle also has certain regulating action.
The invention has the beneficial effects as follows: simple in structure, method is simple and direct, and is easy to use, the handling safety environmental protection, efficient energy-saving, embody as follows:
1, material is through the broken method for processing of production line one-level; Lack 2-3 disintegrating apparatus and conveying equipment than existing multiple stage crushing, realized material size≤300mm, discharging-material size≤1mm; 2 to 3 grades of standard discharging-material sizes that just can reach have in the past been reached; Improved production efficiency, reduced consumption, can make the aluminium oxide crust in time obtain recycling simultaneously.
2, monitor the ruuning situation of the broken production line of aluminium oxide crust piece in real time through electric control system; And carry out computing adjustment through the field apparatus run signal that broken production line feeds back to; The control system has formed closed-loop control, has guaranteed that whole broken production line is efficient, automated operation.
3, adopt dust collection device in the method for processing, each airborne dust point in the system is gathered dust, not only improved workman's working environment but also reached national requirements for environmental protection.
4, be provided with pressure monitoring point and temperature monitoring point in the method for processing, thereby can better grasp the ruuning situation of system, the problem that occurs is in time got rid of.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further:
Fig. 1 is a general assembly structural representation of the present invention;
Fig. 2 is an electric control system schematic diagram of the present invention;
Among Fig. 1: disintegrating machine 1, tramp iron separator 2, conveyer 3, former feed bin 4, push-pull valve 5, oscillating feeder 6; Flour mill 7, lock wind discharge valve 8, mill separator 9, rotoclone collector 10, circulating fan 11; Bag filter 12, exhaust blower 13, tramp iron separator 14, tramp iron separator 15, finished bin 16.
The specific embodiment:
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain:
As shown in the figure, described mechanical part is by disintegrating machine 1, tramp iron separator 2, conveyer 3, former feed bin 4; Push-pull valve 5, oscillating feeder 6, flour mill 7, lock wind discharge valve 8; Mill separator 9, rotoclone collector 10, circulating fan 11, bag filter 12; Exhaust blower 13, tramp iron separator 14, tramp iron separator 15, finished bin 16 constitutes; The below device conveyer 3 of disintegrating machine 1; Pass through plumbing installation first tramp iron separator 2 between conveyer 3 and the disintegrating machine 1; The former feed bin 4 of the below device of conveyer 3 one ends is connected push-pull valve 5 through pipeline between the below device oscillating feeder 6 of former feed bin 4, oscillating feeder 6 and former feed bin 4;
The below device flour mill 7 of oscillating feeder 6 one ends, the top of flour mill 7 one sides connects mill separator 9 through pipeline, locks wind discharge valve 8 through plumbing installation between the charging aperture of mill separator 9 and flour mill 7 opposite sides;
Be connected pipeline between one side on rotoclone collector 10 tops and the top of mill separator 9; The top of rotoclone collector 10 connects circulating fan 11 through pipeline; One side of circulating fan 11 tops connects bag filter 12 through pipeline, and a side of bag filter 12 connects exhaust blower 13 through pipeline;
The below device finished bin 16 of rotoclone collector 10 is passed through plumbing installation second tramp iron separator 14 between finished bin 16 and the rotoclone collector 10; Pass through plumbing installation the 3rd tramp iron separator 15 between the below of bag filter 12 and the finished bin 16;
Be connected pipeline between one side of circulating fan 11 and flour mill 7 charging apertures.
The end cap of described flour mill 7 is inboard through the protruding end cap liner plate of bolt connecting band, and the cylindrical shell inboard of flour mill 7 is connected with the shell liner of lift block through bolt.
The stator of described mill separator 9 is made up of stator axis and stator vane; Stator vane is arranged on the stator axis along the stator axis tangential direction, and axle head stretches out external shell on the stator axis.
Described finished bin adds the metal separation machine 16 times.
Described electric control system is made up of industrial computer, PLC, frequency conversion speed-adjusting system, sound and light alarm display system and sensor-based system; The output of said industrial computer is provided with PLC through order wire; PLC output signal is provided with frequency conversion speed-adjusting system through order wire; Realize the action of plant equipment, the frequency conversion speed-adjusting system output is set up in parallel flour mill 7 motors, circulating fan 11 motors, exhaust blower 13 motors through order wire.PLC output signal is provided with the sound and light alarm display system through order wire, realizes device failure alert; The sensor-based system feedback signal is set to PLC with the run signal of plant equipment through order wire, and PLC transmission signal gives industrial computer and through the online display device ruuning situation of industrial computer, the operation information of operating personnel on industrial computer is transferred to PLC through order wire.
Described frequency conversion speed-adjusting system is made up of the frequency converter that is arranged on flour mill 7 motors, circulating fan 11 motors, exhaust blower 13 motors.
Described sensor-based system is made up of the pressure sensor that is arranged on temperature sensor on flour mill 7 main brasses, is arranged on pipeline enclosure.
A kind of closed circuit product line method of broken aluminium oxide crust piece is to be carried out successively by the following step:
(a), feed:
Aluminium oxide crust piece " hereinafter to be referred as material " is transported to batcher 6 by former feed bin 4 through push-pull valve 5, gets into flour mill 7 by batcher 6;
(b), grinding:
Material is grinding under flour mill 7. effects: be fixed with the shell liner that promotes bar in the flour mill 7 material is risen to certain altitude, material is tumbled by the state that rushes down, material impacts grinding each other and pulverizes; And the convexity setting on the end cap liner plate makes material collide the back and take place to come and go spring, thereby the mixing material effectively prevents the generation of segregation phenomena, has also prolonged the service life of equipment consumable accessory in the time of the broken mill of raising effect;
(c), feed separation:
Material behind the grinding is under the effect of circulating fan 11; Be transferred to mill separator 9 through conveying pipeline; Material gets into the concentric annular zone that discharging opening inwall and stator inner ring form uniformly under the stator effect of mill separator 9---and in the main graded region, in this zone, material directly impacts on the discharging opening inwall under circulating fan 11 wind-force drive; The movement velocity of material is reduced; Because the gravity of large granular materials is greater than the power that drives its motion, so nature landing under the effect of himself gravity turns back to flour mill 7 again through refeed line and carries out grinding; The gravity of small particles material, is collected material by it so under the drive of wind, get into rotoclone collector 10 through discharging opening less than the power that drives its motion;
(d), mend wind:
Gas by after rotoclone collector 10 separation is mended wind through 11 pairs of flour mills 7 of circulating fan;
(e), rewinding is gathered dust:
Under exhaust blower 13 effects, few part dusty gas carries out secondary through bag filter 12 and gathers dust, and wherein bag filter 12 feeds deashing and uses compressed air; Finished product materials after gathering dust gets into finished bin 16 through elephant trunk, directly enters in the atmosphere through purified gas by exhaust blower 13; And the finished product materials after rotoclone collector 10 is collected is delivered to finished product bin 16 through star-like revolving plow reclaimer via elephant trunk;
(f), material stores:
Material after two dust-precipitators are collected directly is delivered to finished bin 16, and finished bin adds the metal separation machine 16 times, removes metal impurities, is delivered to desired area according to the needs of demanding party.
Claims (8)
1. the closed circuit product line device of a broken aluminium oxide crust piece is to be made up of mechanical part and electric control system, it is characterized in that: described mechanical part is by disintegrating machine (1), tramp iron separator (2), conveyer (3); Former feed bin (4), push-pull valve (5), oscillating feeder (6), flour mill (7), lock wind discharge valve (8); Mill separator (9), rotoclone collector (10), circulating fan (11), bag filter (12); Exhaust blower (13), tramp iron separator (14), tramp iron separator (15), finished bin (16) constitutes; The below device conveyer (3) of disintegrating machine (1); Pass through plumbing installation first tramp iron separator (2) between conveyer (3) and the disintegrating machine (1); The former feed bin of below device (4) of conveyer (3) one ends; Be connected push-pull valve (5) through pipeline between the below device oscillating feeder (6) of former feed bin (4), oscillating feeder (6) and former feed bin (4);
The below device flour mill (7) of oscillating feeder (6) one ends, the top of flour mill (7) one sides connects mill separator (9) through pipeline, locks wind discharge valve (8) through plumbing installation between the charging aperture of mill separator (9) and flour mill (7) opposite side;
Be connected pipeline between one side on rotoclone collector (10) top and the top of mill separator (9); The top of rotoclone collector (10) connects circulating fan (11) through pipeline; One side of circulating fan (11) top connects bag filter (12) through pipeline, and a side of bag filter (12) connects exhaust blower (13) through pipeline;
The below device finished bin (16) of rotoclone collector (10) is passed through plumbing installation second tramp iron separator (14) between finished bin (16) and the rotoclone collector (10); Pass through plumbing installation the 3rd tramp iron separator (15) between the below of bag filter (12) and the finished bin (16);
Be connected pipeline between one side of circulating fan (11) and flour mill (7) charging aperture.
2. the closed circuit product line device of a kind of broken aluminium oxide crust piece according to claim 1; It is characterized in that: the end cap of described flour mill (7) is inboard through the protruding end cap liner plate of bolt connecting band, and the cylindrical shell inboard of flour mill (7) is connected with the shell liner of lift block through bolt.
3. the closed circuit product line device of a kind of broken aluminium oxide crust piece according to claim 1, it is characterized in that: the stator of described mill separator (9) is made up of stator axis and stator vane; Stator vane is arranged on the stator axis along the stator axis tangential direction, and axle head stretches out external shell on the stator axis.
4. the closed circuit product line device of a kind of broken aluminium oxide crust piece according to claim 1, it is characterized in that: described finished bin adds the metal separation machine under (16).
5. the closed circuit product line device of a kind of broken aluminium oxide crust piece according to claim 1, it is characterized in that: described electric control system is made up of industrial computer, PLC, frequency conversion speed-adjusting system, sound and light alarm display system and sensor-based system; The output of said industrial computer is provided with PLC through order wire; PLC output signal is provided with frequency conversion speed-adjusting system through order wire; Realize the action of plant equipment, the frequency conversion speed-adjusting system output is set up in parallel flour mill (7) motor, circulating fan (11) motor, exhaust blower (13) motor through order wire.PLC output signal is provided with the sound and light alarm display system through order wire, realizes device failure alert; The sensor-based system feedback signal is set to PLC with the run signal of plant equipment through order wire, and PLC transmission signal gives industrial computer and through the online display device ruuning situation of industrial computer, the operation information of operating personnel on industrial computer is transferred to PLC through order wire.
6. according to the closed circuit product line device of claim 1,5 described a kind of broken aluminium oxide crust pieces, it is characterized in that: described frequency conversion speed-adjusting system is made up of the frequency converter that is arranged on flour mill (7) motor, circulating fan (11) motor, exhaust blower (13) motor.
7. according to the closed circuit product line device of claim 1,5 described a kind of broken aluminium oxide crust pieces, it is characterized in that: described sensor-based system is made up of the pressure sensor that is arranged on temperature sensor on flour mill (7) main brasses, is arranged on pipeline enclosure.
8. the closed circuit product line method of a broken aluminium oxide crust piece is characterized in that: be to be carried out successively by the following step:
(a), feed:
Aluminium oxide crust piece " hereinafter to be referred as material " is transported to batcher (6) by former feed bin (4) through push-pull valve (5), gets into flour mill (7) by batcher (6);
(b), grinding:
Material is grinding under flour mill (7) effect: be fixed with the shell liner that promotes bar in the flour mill (7) material is risen to certain altitude, material is tumbled by the state that rushes down, material impacts grinding each other and pulverizes; And the convexity setting on the end cap liner plate makes material collide the back and take place to come and go spring, thereby the mixing material effectively prevents the generation of segregation phenomena, has also prolonged the service life of equipment consumable accessory in the time of the broken mill of raising effect;
(c), feed separation:
Material behind the grinding is under the effect of circulating fan (11); Be transferred to mill separator (9) through conveying pipeline; Material gets into the concentric annular zone that discharging opening inwall and stator inner ring form uniformly under the stator effect of mill separator (9)---and in the main graded region, in this zone, material directly impacts on the discharging opening inwall under circulating fan (11) wind-force drives; The movement velocity of material is reduced; Because the gravity of large granular materials is greater than the power that drives its motion, so nature landing under the effect of himself gravity turns back to flour mill (7) again through refeed line and carries out grinding; The gravity of small particles material, is collected material by it so under the drive of wind, get into rotoclone collector (10) through discharging opening less than the power that drives its motion;
(d), mend wind:
Gas by after rotoclone collector (10) separation is mended wind through circulating fan (11) to flour mill (7);
(e), rewinding is gathered dust:
Under exhaust blower (13) effect, few part dusty gas carries out secondary through bag filter (12) and gathers dust, and wherein bag filter (12) feeds deashing and uses compressed air; Finished product materials after gathering dust gets into finished bin (16) through elephant trunk, directly enters in the atmosphere through purified gas by exhaust blower (13); And the finished product materials after rotoclone collector (10) is collected is delivered to finished product bin (16) through star-like revolving plow reclaimer via elephant trunk;
(f), material stores:
Material after two dust-precipitators are collected directly is delivered to finished bin (16), and finished bin adds the metal separation machine under (16), removes metal impurities, is delivered to desired area according to the needs of demanding party.
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| CN201110187755A CN102327804A (en) | 2011-07-06 | 2011-07-06 | Closed type production line device and method for crushing aluminum oxide crusted blocks |
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| CN201110187755A CN102327804A (en) | 2011-07-06 | 2011-07-06 | Closed type production line device and method for crushing aluminum oxide crusted blocks |
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| CN105233953A (en) * | 2015-11-03 | 2016-01-13 | 江苏省冶金设计院有限公司 | Device and method for multiple low temperature drying chromite grinding and hierarchical powder collection |
| CN106925406A (en) * | 2017-03-24 | 2017-07-07 | 金川集团股份有限公司 | The processing equipment and its method of a kind of lump material |
| CN107723738A (en) * | 2017-10-24 | 2018-02-23 | 云南云铝涌鑫铝业有限公司 | The system of process aluminum electrolytic pole feeding |
| CN108097364A (en) * | 2018-01-31 | 2018-06-01 | 徐州至信建材机械有限公司 | A kind of novel concrete industrial roll press cycle closed-circuit system of application specific fine powder separation equipment |
| CN109163345A (en) * | 2018-09-21 | 2019-01-08 | 郑州帆机械设备有限公司 | Coal dust preparation system |
| CN110961238A (en) * | 2019-12-16 | 2020-04-07 | 中国恩菲工程技术有限公司 | Scrap steel crushing and dust collecting system |
| CN111437914A (en) * | 2020-03-28 | 2020-07-24 | 郑州力达自动化控制有限公司 | High-power sand making machine and method thereof |
| CN113171868A (en) * | 2021-04-28 | 2021-07-27 | 广东长信精密设备有限公司 | Automatic powder production process |
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Application publication date: 20120125 |