CN103846141A - Grinding device and grinding technology for generating large-particle aluminum oxide crusting block granularity - Google Patents
Grinding device and grinding technology for generating large-particle aluminum oxide crusting block granularity Download PDFInfo
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- CN103846141A CN103846141A CN201310208142.2A CN201310208142A CN103846141A CN 103846141 A CN103846141 A CN 103846141A CN 201310208142 A CN201310208142 A CN 201310208142A CN 103846141 A CN103846141 A CN 103846141A
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Abstract
The invention discloses a grinding device and a grinding technology for generating large-particle aluminum oxide crusting block granularity. The grinding device for generating large-particle aluminum oxide crusting block granularity comprises mechanical equipment and electrical control equipment; the mechanical equipment comprises a belt machine, an iron removing device, a jaw-type crusher, a buffer bin, a bar valve, a feeder, a grinder, a bucket elevator, a cylindrical sieve, a dust collector, a fan and a finished product bin. The electrical control equipment comprises an industrial control machine, a PLC (programmable logic controller), a frequency conversion speed regulating system, a sound and light alarm display system as well as a sensing system. The grinding technology for generating large-particle aluminum oxide crusting block granularity is characterized in that a control signal is output from the electrical control equipment to the mechanical equipment, and calculation and adjustment are carried out according to a field equipment running signal fed back by the mechanical equipment, and then the control signal is output again to the mechanical equipment; and the grinding technology comprises the following steps of precrushing, feeding, grinding, separating materials, and collecting dust and materials. The grinding device and the grinding technology which are provided by the invention can improve the production efficiency, reduce consumption, and meanwhile enable aluminum crusts to be recycled timely.
Description
Technical field
The present invention relates to a kind of grinding technology, particularly relate to the grinding process that produces large-grain alumina crust block granularity in a kind of grinding Aluminum Electrolysis Production process
Background technology
In recent years, rapidly, electrolyte output increases in aluminum electrolysis industry development, and the recycling rate of electrolyte crust piece also increases, for having new requirement as the electrolyte of mulch.Large-grain alumina crust block output requires to increase.
According to the above, because aluminium electrolysis enterprise generally adopts the treatment process of backward alumina crust block, the large industrial factors of impact such as said method working (machining) efficiency is low, equipment failure rate is high, automaticity is low, and plant maintenance and maintenance workload are large, labor strength is high and potroom environment is damaged; Cause the quantum of output of alumina crust block far above yield, form a large amount of overstocking, cause the transportation of alumina crust block and the maintenance cost of warehouse cost, grinding processing cost and device therefor high, be therefore badly in need of a kind of grinding process that is applicable to large industrialization product large-grain alumina crust block granularity.
Because the defect that above-mentioned existing alumina crust block treatment process exists, practical experience and the professional knowledge of the inventor based on being engaged in this type of product design manufacture and enriching for many years, and the utilization of cooperation scientific principle, actively research and innovation in addition, to founding a kind of grinding process of novel product large-grain alumina crust block granularity, can improve general existing alumina crust block treatment process, make it have more practicality.Through constantly research, design, and after repeatedly studying sample and improving, finally create the present invention who has practical value.
Summary of the invention
The object of the invention is to, overcome the defect that existing alumina crust block treatment process exists, and a kind of grinding process that produces large-grain alumina crust block granularity is provided, namely the first level flour grinding process of alumina crust block and production line thereof and by the automatic operating of electric control system production control line, reach the effect of grinding process dust purification simultaneously.
Described alumina crust block grinding process, to the grinding process output control signal of producing large-grain alumina crust block granularity by electric control system, and the field apparatus run signal feeding back to according to milling production line is carried out computing adjustment, again to the grinding process output control signal of producing large-grain alumina crust block granularity, make that whole milling production line is efficient, automated operation.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of grinding device that produces large-grain alumina crust block granularity proposing according to the present invention, comprising plant equipment and electrical control equipment;
Above-mentioned plant equipment comprises: belt feeder, tramp iron separator, jaw crusher, surge bunker, rod valve, batcher, flour mill, bucket elevator, drum sieve, dust-precipitator, blower fan, finished bin; Wherein above-mentioned tramp iron separator is located at respectively on above-mentioned belt feeder, above-mentioned jaw crusher is positioned in the middle of above-mentioned belt feeder, above-mentioned surge bunker is positioned at the oblique below of belt feeder, above-mentioned rod valve connects above-mentioned surge bunker and above-mentioned batcher, above-mentioned batcher connects above-mentioned flour mill, above-mentioned bucket elevator connects above-mentioned flour mill and above-mentioned drum sieve, above-mentioned drum sieve connects above-mentioned flour mill and above-mentioned finished bin, above-mentioned dust-precipitator is by pipeline and above each equipment connection, and the negative pressure collection dust producing by connecting above-mentioned blower fan;
Above-mentioned electrical control equipment comprises: industrial computer, PLC, frequency conversion speed-adjusting system, sound and light alarm display system and sensor-based system; Wherein above-mentioned industrial computer is connected by order wire with above-mentioned PLC, above-mentioned PLC outputs signal to above-mentioned frequency conversion speed-adjusting system realizes the action of above-mentioned plant equipment, above-mentioned PLC outputs signal to above-mentioned sound and light alarm display system and realizes device failure alert, above-mentioned sensor-based system feeds back the run signal of above-mentioned plant equipment to above-mentioned PLC, this PLC signal transmission gives above-mentioned industrial computer and by the online display device ruuning situation of this industrial computer, the operation information of operating personnel on above-mentioned industrial computer is transferred to above-mentioned PLC by order wire.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The grinding device of aforesaid product large-grain alumina crust block granularity, wherein above-mentioned belt feeder is two belt feeders; Above-mentioned tramp iron separator is two tramp iron separators; Above-mentioned batcher is oscillating feeder; The end cap inner side of above-mentioned flour mill is bolted with protruding end cap liner plate, and the cylindrical shell of above-mentioned flour mill inner side is bolted the shell liner that is provided with lift block; Above-mentioned dust-precipitator is bag filter; Above-mentioned blower fan is main air blower.
The grinding device of aforesaid product large-grain alumina crust block granularity, wherein said frequency conversion speed-adjusting system is made up of the frequency converter being arranged on flour mill, blower fan.
The object of the invention to solve the technical problems also realizes by the following technical solutions.The grinding process of the grinding device of a kind of product large-grain alumina crust block granularity that adopts claim 1 proposing according to the present invention, wherein export control signal by above-mentioned electrical control equipment to above-mentioned plant equipment, and the field apparatus run signal feeding back to according to above-mentioned plant equipment is carried out computing adjustment, again, to plant equipment output control signal, plant equipment can normally be worked; In above-mentioned grinding process, the workflow of plant equipment is: precrushing, feed, grinding, feed separation, gather dust, material collection.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The grinding process of the grinding device of aforesaid product large-grain alumina crust block granularity, wherein said precrushing is, by above-mentioned belt feeder, electrolyte crust piece is delivered to above-mentioned jaw crusher, this jaw crusher is by material precrushing.
The grinding process of the grinding device of aforesaid product large-grain alumina crust block granularity, wherein said feed is by extremely above-mentioned surge bunker of the mass transport of precrushing by above-mentioned belt feeder, this surge bunker is by connecing above-mentioned batcher under above-mentioned rod valve, and even feeding is to flour mill.
The grinding process of the grinding device of aforesaid product large-grain alumina crust block granularity, wherein said grinding is material grinding under flour mill effect, simultaneously electrical control equipment monitors and guarantees that above-mentioned flour mill can normally work.
The grinding process of the grinding device of aforesaid product large-grain alumina crust block granularity, wherein said feed separation is to be delivered to above-mentioned bucket elevator after above-mentioned flour mill grinding material, material lifting is delivered to above-mentioned drum sieve by this bucket elevator, this drum sieve carries out the separation of thickness powder, separate and be greater than 4mm and be less than two kinds of materials of 4mm, the material that is greater than 4mm again by Pipeline transport to above-mentioned flour mill grinding again, and the material that is less than 4mm is directly delivered to above-mentioned finished bin.
The grinding process of the grinding device of aforesaid product large-grain alumina crust block granularity, wherein said gathering dust is that the airborne dust that above-mentioned dust-precipitator is produced above each equipment by pipeline is collected dust by the negative pressure that connects above-mentioned blower fan generation.
The grinding process of the grinding device of aforesaid product large-grain alumina crust block granularity, wherein said material collection is that above-mentioned drum sieve is collected into above-mentioned finished bin by satisfactory material by pipeline, and the particulate dust that above-mentioned dust-precipitator is collected is also collected into above-mentioned finished bin by pipeline.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, a kind of grinding process that produces large-grain alumina crust block granularity of the present invention can reach suitable technological progress and practicality, and has the extensive value in industry, and it at least has following advantages:
1, material is by the technique of the broken processing of production line one-level, than few 2-3 disintegrating apparatus of existing multiple stage crushing and conveying equipment, realize material size≤300mm, discharging-material size≤4mm, 2 to 3 grades of standard discharging-material sizes that just can reach are in the past reached, improve production efficiency, reduced consumption, can make alumina crust be recycled in time utilization simultaneously.
2, monitor in real time the ruuning situation of the grinding process that produces large-grain alumina crust block granularity by electrical control equipment, and the field apparatus run signal feeding back to by milling production line is carried out computing adjustment, control system has formed closed-loop control, has guaranteed that whole milling production line is efficient, automated operation.
In sum, the present invention has boosting productivity, reduces the beneficial effects such as consumption, automated operation
.the present invention has significant progress technically, and has obvious good effect, is really a new and innovative, progressive, practical new design.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
[main element symbol description]
1: belt feeder 2: tramp iron separator
3: jaw crusher 4: belt feeder
5: tramp iron separator 6: surge bunker
7: rod valve 8: batcher
9: flour mill 10: bucket elevator
11: drum sieve 12: dust-precipitator
13: blower fan 14: finished bin
The specific embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to a kind of its specific embodiment of grinding process, structure, feature and the effect thereof of producing large-grain alumina crust block granularity proposing according to the present invention, be described in detail as follows.
Fig. 1 is schematic diagram of the present invention.As shown in Figure 1, a kind of grinding device that produces large-grain alumina crust block granularity, comprising plant equipment and electrical control equipment; Above-mentioned plant equipment comprises: belt feeder (belt feeder 1 and belt feeder 4), tramp iron separator (tramp iron separator 2 and tramp iron separator 5), jaw crusher 3, surge bunker 6, rod valve 7, batcher 8, flour mill 9, bucket elevator 10, drum sieve 11, dust-precipitator 12, blower fan 13, finished bin 14; Wherein tramp iron separator 2 is located on belt feeder 1, tramp iron separator 5 is located on belt feeder 4, jaw crusher 3 is positioned at the centre of belt feeder 1 and belt feeder 4, surge bunker 6 is positioned at the oblique below of belt feeder 4, and rod valve 7 connects surge bunker 6 and batcher 8, and batcher 8 connects flour mill 9, bucket elevator 10 connects flour mill 9 and drum sieve 11, drum sieve 11 connects flour mill 9 and finished bin 14, and dust-precipitator 12 is by pipeline and above each equipment connection, and the negative pressure producing by connecting fan 13 is collected dust; Electrical control equipment comprises: industrial computer, PLC, frequency conversion speed-adjusting system, sound and light alarm display system and sensor-based system; Wherein industrial computer is connected by order wire with PLC, PLC outputs signal to frequency conversion speed-adjusting system realizes the action of plant equipment, PLC outputs signal to sound and light alarm display system and realizes device failure alert, the run signal of sensor-based system feedback plant equipment is to PLC, this PLC signal transmission is to industrial computer and by the online display device ruuning situation of this industrial computer, and the operation information of operating personnel on industrial computer is transferred to PLC by order wire.
Carry out primary breakup by belt feeder 1 convey materials to jaw crusher 3, the material after fragmentation is delivered to surge bunker 6 through belt feeder 4, is respectively equipped with tramp iron separator 2 and tramp iron separator 5 on belt feeder 1 and belt feeder 4.Surge bunker 6 blankings are delivered to oscillating feeder 8 by rod valve 7, evenly pan feeding is to flour mill 9, after flour mill 9 grindings, granule materials is delivered to bucket elevator 10, be promoted to certain altitude, deliver to drum sieve 11 by elephant trunk, screening materials carrying is for being greater than 4mm and being less than two kinds of 4mm, be greater than 4mm material and return to flour mill 9 grinding again, be less than 4mm material and enter finished bin 14, each equipment is equipped with the pipeline that gathers dust, the negative pressure that the dust of generation is produced by blower fan 13 is collected into bag filter 12, is collected into finished bin 14 by pipeline.
A kind of grinding process of the grinding device that produces large-grain alumina crust block granularity, export control signal by above-mentioned electrical control equipment to above-mentioned plant equipment, and the field apparatus run signal feeding back to according to above-mentioned plant equipment is carried out computing adjustment, again, to plant equipment output control signal, plant equipment can normally be worked; Specifically comprise the steps: precrushing, feed, grinding, feed separation, gather dust, material collection.
A), precrushing
Alumina crust block " hereinafter to be referred as material " is delivered to jaw crusher 3 precrushings by belt feeder 1.
B), feed
Material after precrushing is delivered to surge bunker 6 by belt 4 and enters flour mill 9 to oscillating feeder 8.
C), grinding
Material is grinding under flour mill 9 effects, simultaneously electric control system is monitored and is shown lubricating system signal, flour mill main brasses temperature, the motor speed of flour mill, to ensure that lubricating system can normally provide lubricated to flour mill main brasses, the motor that simultaneously guarantees flour mill carries out speed adjustment according to the size of entered material piece, to meet different material grinding demand; In the time that appearance is abnormal, sound and light alarm display system is sent warning.
D), feed separation
Material after grinding is under the effect of blower fan 13, rise to certain altitude by bucket elevator 10, enter drum sieve 11 and carry out the separation of thickness powder, the material that is greater than product grading requirement returns to flour mill 9 grinding again by pipeline, and the qualified material that is less than product grading requirement enters finished bin 14 by pipeline.
E), gather dust
Under blower fan 13 effects, dusty gas carries out secondary through bag filter 12 and gathers dust, and the finished product materials chute after gathering dust enters finished bin 14, is directly entered in atmosphere by exhaust blower through purified gas; The speed of exhaust blower is monitored and shown to electric control system simultaneously, to change and regulate draft capacity and granule size according to production technology, saves electric energy on the one hand, reduces on the other hand exhaust emission.
F), material collection
Drum sieve 11 is collected into finished bin 14 by satisfactory material by pipeline.The particulate dust that dust-precipitator 12 is collected is also collected into finished bin 14 by pipeline.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, foundation technical spirit of the present invention is to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. produce a grinding device for large-grain alumina crust block granularity, it is characterized in that comprising plant equipment and electrical control equipment;
Above-mentioned plant equipment comprises: belt feeder, tramp iron separator, jaw crusher, surge bunker, rod valve, batcher, flour mill, bucket elevator, drum sieve, dust-precipitator, blower fan, finished bin; Wherein above-mentioned tramp iron separator is located at respectively on above-mentioned belt feeder, above-mentioned jaw crusher is positioned in the middle of above-mentioned belt feeder, above-mentioned surge bunker is positioned at the oblique below of belt feeder, above-mentioned rod valve connects above-mentioned surge bunker and above-mentioned batcher, above-mentioned batcher connects above-mentioned flour mill, above-mentioned bucket elevator connects above-mentioned flour mill and above-mentioned drum sieve, above-mentioned drum sieve connects above-mentioned flour mill and above-mentioned finished bin, above-mentioned dust-precipitator is by pipeline and above each equipment connection, and the negative pressure collection dust producing by connecting above-mentioned blower fan;
Above-mentioned electrical control equipment comprises: industrial computer, PLC, frequency conversion speed-adjusting system, sound and light alarm display system and sensor-based system; Wherein above-mentioned industrial computer is connected by order wire with above-mentioned PLC, above-mentioned PLC outputs signal to above-mentioned frequency conversion speed-adjusting system realizes the action of above-mentioned plant equipment, above-mentioned PLC outputs signal to above-mentioned sound and light alarm display system and realizes device failure alert, above-mentioned sensor-based system feeds back the run signal of above-mentioned plant equipment to above-mentioned PLC, this PLC signal transmission gives above-mentioned industrial computer and by the online display device ruuning situation of this industrial computer, the operation information of operating personnel on above-mentioned industrial computer is transferred to above-mentioned PLC by order wire.
2. the grinding device of product large-grain alumina crust block granularity according to claim 1, is characterized in that:
Above-mentioned belt feeder is two belt feeders;
Above-mentioned tramp iron separator is two tramp iron separators;
Above-mentioned batcher is oscillating feeder;
The end cap inner side of above-mentioned flour mill is bolted with protruding end cap liner plate, and the cylindrical shell of above-mentioned flour mill inner side is bolted the shell liner that is provided with lift block;
Above-mentioned dust-precipitator is bag filter;
Above-mentioned blower fan is main air blower.
3. the grinding device of product large-grain alumina crust block granularity according to claim 2, is characterized in that wherein said frequency conversion speed-adjusting system is made up of the frequency converter being arranged on flour mill, blower fan.
4. one kind adopts the grinding process of the grinding device of the product large-grain alumina crust block granularity of claim 1, it is characterized in that: export control signal by above-mentioned electrical control equipment to above-mentioned plant equipment, and the field apparatus run signal feeding back to according to above-mentioned plant equipment is carried out computing adjustment, again, to plant equipment output control signal, plant equipment can normally be worked;
In above-mentioned grinding process, the workflow of plant equipment is: precrushing, feed, grinding, feed separation, gather dust, material collection.
5. the grinding process of the grinding device of product large-grain alumina crust block granularity according to claim 4, it is characterized in that wherein said precrushing is, by above-mentioned belt feeder, electrolyte crust piece is delivered to above-mentioned jaw crusher, this jaw crusher is by material precrushing.
6. the grinding process of the grinding device of product large-grain alumina crust block granularity according to claim 5, it is characterized in that wherein said feed is by extremely above-mentioned surge bunker of the mass transport of precrushing by above-mentioned belt feeder, this surge bunker is by connecing above-mentioned batcher under above-mentioned rod valve, and even feeding is to flour mill.
7. the grinding process of the grinding device of product large-grain alumina crust block granularity according to claim 6, it is characterized in that wherein said grinding is material grinding under flour mill effect, simultaneously electrical control equipment monitors and guarantees that above-mentioned flour mill can normally work.
8. the grinding process of the grinding device of product large-grain alumina crust block granularity according to claim 7, it is characterized in that wherein said feed separation is to be delivered to above-mentioned bucket elevator after above-mentioned flour mill grinding material, material lifting is delivered to above-mentioned drum sieve by this bucket elevator, this drum sieve carries out the separation of thickness powder, separate and be greater than 4mm and be less than two kinds of materials of 4mm, the material that is greater than 4mm again by Pipeline transport to above-mentioned flour mill grinding again, and the material that is less than 4mm is directly delivered to above-mentioned finished bin.
9. the grinding process of the grinding device of product large-grain alumina crust block granularity according to claim 8, is characterized in that wherein said gathering dust is that the airborne dust that above-mentioned dust-precipitator is produced above each equipment by pipeline is collected dust by the negative pressure that connects above-mentioned blower fan generation.
10. want the grinding process of the grinding device of the product large-grain alumina crust block granularity described in 9 according to right, it is characterized in that wherein said material collection is that above-mentioned drum sieve is collected into above-mentioned finished bin by satisfactory material by pipeline, the particulate dust that above-mentioned dust-precipitator is collected is also collected into above-mentioned finished bin by pipeline.
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| CN106669888A (en) * | 2017-01-10 | 2017-05-17 | 罗干年 | Efficient roller pressing grinding station and technique thereof |
| CN111974514A (en) * | 2020-08-17 | 2020-11-24 | 上海益非亚粉体技术设备有限公司 | Intelligent powder grinding and grading process for powdery material |
| CN114453113A (en) * | 2020-11-10 | 2022-05-10 | 四川隆盛欣建筑工程有限公司 | Preparation system and preparation method of alternative fuel for cement kiln |
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Application publication date: 20140611 |