CN104941769B - A kind of solid material Ginding process and solid material grinder - Google Patents
A kind of solid material Ginding process and solid material grinder Download PDFInfo
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- CN104941769B CN104941769B CN201510312768.7A CN201510312768A CN104941769B CN 104941769 B CN104941769 B CN 104941769B CN 201510312768 A CN201510312768 A CN 201510312768A CN 104941769 B CN104941769 B CN 104941769B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
- B02C13/1807—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/288—Ventilating, or influencing air circulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The present invention relates to a kind of solid material Ginding process and grinder, solid material enters in the abrasive body of grinding chamber after a selection by winnowing, radially thrown to hit on liner plate under the centrifugal action of the abrasive body of high speed rotation and crushed, after rebounding with newly enter material liquidate percussion crush, large granular materials are entered working bin after high-energy-rate hammering by the effect such as gravity whereabouts upwardly through conduit, working bin has charging concurrently and mixes elutriation function with wind, material after being washed in a pan by the way that wind is mixed enters classifier, reach that the finished product materials of granularity requirements are discharged after being collected through spiral collector and sack cleaner by finished product discharger, not up to the material of granularity requirements returns to grinding chamber and is ground again.The beneficial effects of the invention are as follows：Grind size is thin, grinding efficiency is high and fines collection effect is good, can produce powder of the particle size range in 80~1500 mesh, especially has the advantages that yield height, steady quality in the larger material of 800 mesh above superfine powders of production or hardness；Compact equipment, maintenance cost is low.
Description
Technical field
The present invention relates to solid material crushing technology field, more particularly to a kind of finished product materials particle size range is 80~1500
Purpose solid material Ginding process and solid material grinder.
Background technology
Flour mill superfine communication technique is one grown up in recent years along with Modern High-Tech and new material industry
Xiang Xin comminution engineering technology, as one of most important industrial mineral and other raw material deep process technologies, to the modern times
The development of new high-tech industry is significant.Material is after fine, with the poly- increasing of its surface area, can cause other property
The change of energy, and the using effect and utilization rate of material is significantly increased.Super fine penetrating into whole industrial department and
High-tech sector, is described as the origin of modern high technology.Superfine communication technique be widely used in chemical industry, metallurgy, mining industry,
The numerous areas such as building materials, daily use chemicals, food, medicine, agricultural, environmental protection and Aero-Space.
In grinding machine milling process, due to the abrasive body in grinding machine contacted with solid particle outer surface generation severe friction,
Sharp impacts with cylinder inwall of collision between solid particle, friction, and solid particle, friction, make solid particle with big
Electrostatic is measured, causes abrasive body and backing surface to be adhered to by micro mist, is formed so-called " cushion ", reduces abrasive media to thing
The impact probability and abrasive action of material, so as to reduce grinding machine operating efficiency, cause mill output and product quality reduction, particle
Level is with unreasonable.The former Russian scholar research is pointed out:" the material bed of 200um is bonded on ball and liner plate, resulting buffering is made
With make impact energy reduce by 80% ", it is seen that the order of severity that material bed cushioning effect is reduced to impact energy.
The most frequently used flour mill domestic at present is raymond mill, vertical pulverizer, but its in use in the presence of
Row problem：1) product fineness is low, and the fineness of common Raymond mill is general below 500 mesh；2) failure rate of machinery is high, and power consumption is big, make an uproar
Sound is big, and exhaust emission is big；3) system effectiveness is low, and the collection system separating effect of product is undesirable, and substantial amounts of fine powder cannot have
The collection of effect and repetitive cycling causes power waste in system；4) into the larger particles in milling zone material and have not enough time to
The broken particle of grinding is often gathered in snail case afterbody by throwing inlet box, and constantly extends forward, gradually decreases air quantity, Yi Zao
Into traffic congestion, powder is not gone out or goes out powder less, influence yield；5) overhaul and safeguard inconvenient, consumable accessory, wearing piece usage cycles are short, more
Change costly.
The content of the invention
The invention provides a kind of solid material Ginding process, with grind size is thin, grinding efficiency is high and fines collection
The characteristics of effect is good, while the solid material grinder provided is applied widely, can produce particle size range in 80~1500 purposes
Powder, its production efficiency is common mill especially when producing 800 mesh above superfine powders or the larger material of hardness (such as electric-melting magnesium)
3~5 times of machine, and product quality is stable；Compact equipment, maintenance and maintenance are simple, consumable accessory, wearing piece service life
Long, renewal cost is low, can significantly reduce production cost.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of solid material Ginding process, rotation produces ascending air to abrasive body at a high speed, and grinding chamber top working bin has concurrently
Charging mixes elutriation function with wind, and work silo wall offers circular air inlet mouthful, makes to remain malleation in abrasive body, and provide
Wind mixes elutriation wind；It is pre- it is broken after solid material enter grinder from working bin charging aperture, grinding is entered after first time selection by winnowing
In vivo；Under the centrifugal action of the abrasive body of high speed rotation, material throws away opening's edge from the material on abrasive body and is radially thrown and ground
Grind and hit broken on the liner plate of room side wall, crushed after rebounding with newly entering the material percussion that liquidates；Large granular materials are by gravity, bounce
Effect is fallen, and after ground body hammering plate high-energy-rate hammering, grinding, material is upward in the case where abrasive body rotates the airflow function to be formed
Working bin is entered by conduit, is mixed by wind and enters classifier after elutriation, reach the finished product materials of granularity requirements through spiral
Collector and sack cleaner are discharged after collecting by finished product discharger, and the material return grinding chamber of not up to granularity requirements enters again
Row crushing grinding.
The maximum line velocity of material is 120m/s when abrasive body is broken, and the granularities of finished product materials is by adjusting the electricity of clasfficiator
Machine rotating speed is realized.
For realizing a kind of solid material grinder of solid material Ginding process, including grinding of setting gradually from the bottom to top
Grind to be provided with abrasive body, grinding chamber side wall corresponding with abrasive body in the middle part of room, working bin and clasfficiator, the grinding chamber and set lining
Plate；Abrasive body is hollow structure, and top material receiving port is connected with working bin feed opening, is circumferentially with multiple materials and throws away mouth and hammering
Plate；Grinding chamber and working bin are connected by multiple conduits, and working bin is provided with circular air inlet mouthful；Clasfficiator is sequentially connected spiral rewinding
The discharging opening of device and sack cleaner, spiral collector and sack cleaner connects finished product discharger respectively；The charging of working bin
Mouth connects raw material cabin additionally by device for transporting objects.
The abrasive body is along the circumferential direction provided with multiple vertical or inclined hammering plate, and each hammering plate is located at direction of rotation
Side sets 1~10 piece of wear-resistant block, and wear-resistant block surface is provided with high-wear-resistant alloy layer, using wear-resisting between hammering plate and abrasive body body
Welding rod is welded.
The hammering plate is arranged in groups, and is upper hammering plate and lower hammering plate per component, and upper hammering plate and lower hammering plate exist
Circumferencial direction is staggered, upper hammering plate, lower hammering plate a part or whole part it is vertical or be obliquely installed, angle of inclination is 5 °~
30°。
The liner plate is the indent arc-shaped gear liner plate of dense arrangement, and surface is provided with high-wear-resistant alloy layer.
The high-wear-resistant alloy layer is by pasting, coating or built-up welding mode are set, and the trade mark of high-wear-resistant alloy is YL8.
Along the circumferential direction set multiple arcs deflector in the abrasive body, arc deflector positioned at each material throw away mouth it
Between.
The finished product discharger is two-way flood dragon conveyer, and discharging opening is located at the discharging of spiral collector and sack cleaner
Between mouthful, and the hand of spiral of finished product discharger discharging opening both sides conveying blade is opposite.
The clasfficiator is squirrel-cage clasfficiator.
Compared with prior art, the beneficial effects of the invention are as follows：
1) abrasive body possesses a variety of functions, and one is air blast function, and the material after crushing, which is transported in working bin, enters sector-style
Mixed elutriation；Two be that material accelerates and function of radially dishing out, and material can be accelerated to 110~120m/s and direct hit of radially dishing out
Liner plate, is respectively provided with souring to hammering plate and liner plate, effectively abolishes " cushion "；Three be to possess hammering function, hammer into
Enter the material in grinding chamber；The structure of abrasive body is the guarantor for realizing high-efficient grinding, improving finished product materials mesh number, improving mill efficiency
Card, therefore grinder yield of the present invention is big, final product quality is high, and grain composition is reasonable；
2) large-scale production for reaching as high as 1500 mesh superfine powders is realized, extensively, market prospects are good for products application；
3) open charging aperture makes to remain malleation in grinding chamber, prevents because negative pressure causes 800 mesh above fine powders grinding
The power waste for grinding indoor circulation and causing, improves production efficiency, it is ensured that fines collection effect, and material can be dried,
Wind cooling temperature lowering effect is played to grinding chamber；
4) working bin has feeding warehouse concurrently and wind mixes elutriator function, is connected with abrasive body by conduit, and by circular air inlet
Mouth air intake, makes clasfficiator fall material and carries out elutriation repeatedly, classification efficiency is high；
5) high-wear-resistant alloy layer is all provided with grinding chamber with material making contact position, abrasion resistance is good, and material iron-holder is small；
Hammering plate working surface sets polylith wear-resistant block, can selectively be changed according to the degree of wear, and interchangeability is good, makes maintenance of equipment, more
The cost for changing consumable accessory is substantially reduced；
6) using two-way flood dragon conveyer as finished product discharging equipment, can simultaneously with spiral collector and sack cleaner
Discharging opening is connected, and conveying capacity is uniform, and two-way flood dragon conveyer discharging opening both sides push material, discharging using bidirectional screw blade
Efficiency high, Combination is good；
7) equipment overall structure is simple, compact in design, small volume, easy to manufacture, and the product grading scope of production is big, regulation
Convenient, compared with other superfine powders milling machine, production product at the same level has production efficiency high, the low advantage of cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of solid material grinder of the present invention.
Fig. 2-1 is the A-A sectional views one in Fig. 1.
Fig. 2-1a are the M direction views in Fig. 2-1.
Fig. 2-1b are the N direction views one in Fig. 2-1.
Fig. 2-1c are the N direction views two in Fig. 2-1.
Fig. 2-2 is the A-A sectional views two in Fig. 1.
Fig. 2-2a are the M direction views in Fig. 2-2.
Fig. 2-2b are the N direction views in Fig. 2-2.
Fig. 3 is materials abrasive machine main part sectional view of the present invention.
Fig. 4 is the structural representation of clasfficiator of the present invention.
Fig. 5 is the structural representation of two-way flood dragon conveyer of the present invention.
In figure：1. the chin spoiler of 310. baffle upper plate of mainframe 2. main motor, 3. grinding chamber, 31. abrasive body 311.
32. hammer plate under hammering plate 35b. on the grinding chamber adpting flange 35. of grinding chamber side 33. liner plate of wall 34. hammering plate 35a.
36. 51. charging aperture of wear-resistant block 37. arc deflector, 4. conduit, 5. working bin 52., 6. clasfficiators 61. of circular air inlet mouthful
The clasfficiator of 65. blade rotor of clasfficiator motor 62. belt drive unit, 63. clasfficiator power transmission shaft, 64. supporting plate 66. goes out
The finished product of 11. sack cleaner of material mouth 7. device for transporting objects, 8. raw material cabin, 9. raw material bin bracket, 10. spiral collector 12.
The two-way transport screw blade 124. of flood dragon conveyer power transmission shaft 123. of the two-way flood dragon conveyer motor 122. of discharger 121.
The spiral collector of the reverse acting spiral blade 125. discharging material receiving port 126. sack cleaner discharging two-way flood dragon of material receiving port 127. is defeated
Send the axial id fan of machine discharging opening 13.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings：
As shown in Figures 1 and 3, a kind of solid material Ginding process of the present invention, abrasive body 31 is rotated at a high speed in generation
Air-flow is risen, the top working bin 5 of grinding chamber 3 has charging concurrently and mixes elutriation function with wind, and the bulkhead of working bin 5 offers circular air inlet mouthful
52, make to remain malleation in abrasive body 31, and provide wind mixed elutriation wind；It is pre- it is broken after solid material from working bin charging aperture
51 enter grinder, enter after first time selection by winnowing in abrasive body 31；Under the centrifugal action of the abrasive body 31 of high speed rotation, thing
Expect from the material on abrasive body 31 throw away opening's edge radially thrown hit on the liner plate 33 of grinding chamber side wall 32 it is broken, after rebounding with
Newly enter material liquidate percussion crush；Large granular materials are fallen by gravity, bounce effect, and the high energy rate forging hammer of plate 35 is hammered in ground body
After hitting, grinding, material enters working bin 5 in the case where abrasive body 31 rotates the airflow function formed upwardly through conduit 4, mixed by wind
It is classified after elutriation into clasfficiator 6, reaches that the finished product materials of granularity requirements are collected through spiral collector 10 and sack cleaner 11
Discharged afterwards by finished product discharger 12, not up to the material of granularity requirements returns to grinding chamber 3 and carries out crushing grinding again.
The maximum line velocity of material is 120m/s when abrasive body 31 is crushed, and the granularity of finished product materials is by adjusting clasfficiator 6
Motor speed realize.
See Fig. 1, be a kind of structural representation of solid material grinder of the present invention.It is of the present invention to be used to realize one
The solid material grinder of kind of solid material Ginding process, including set gradually from the bottom to top grinding chamber 3, working bin 5 and point
Level device 6, the middle part of grinding chamber 3, which is provided with abrasive body 31, grinding chamber side wall 32 corresponding with abrasive body 31, sets liner plate 33；Grinding
Body 31 is hollow structure, and top material receiving port is connected with the feed opening of working bin 5, is circumferentially with multiple materials and throws away mouth and hammering plate
35；Grinding chamber 3 and working bin 5 are connected by multiple conduits 4, and working bin 5 is provided with circular air inlet mouthful 52；Clasfficiator 6 is sequentially connected
The discharging opening of spiral collector 10 and sack cleaner 11, spiral collector 10 and sack cleaner 11 connects finished product discharging respectively
Device 12；The charging aperture 51 of working bin 5 connects raw material cabin 8 additionally by device for transporting objects 7.
See Fig. 2, be the structural representation of abrasive body 31 of the present invention.The abrasive body 31 is along the circumferential direction provided with multiple
Vertical or inclined hammering plate 35, each hammering plate 35 sets 1~10 piece of wear-resistant block 36, the table of wear-resistant block 36 positioned at direction of rotation side
Face is provided with high-wear-resistant alloy layer, using wear resistance electrode welding between hammering plate 35 and the body of abrasive body 31.
It is described hammering plate 35 be arranged in groups, per component be upper hammering plate 35a and lower hammering plate 35b, and upper hammering plate 35a with
Lower hammering plate 35b is staggered in circumferencial direction, and upper hammering plate 35a, lower hammering plate 35b a part or whole part are obliquely installed, and are inclined
Rake angle is 5 °~30 °.
The liner plate 33 is the indent arc-shaped gear liner plate of dense arrangement, and surface is provided with high-wear-resistant alloy layer.
The high-wear-resistant alloy layer is by pasting, coating or built-up welding mode are set, and the trade mark of high-wear-resistant alloy is YL8.
Multiple arcs deflector 37 is along the circumferential direction set in the abrasive body 31, arc deflector 37 is thrown away positioned at each material
Between mouthful.
The finished product discharger 12 is two-way flood dragon conveyer, and discharging opening 127 is located at spiral collector 10 and bag-type dust
Between the discharging material receiving port 125,126 of device 11, and the both sides conveying blade 123 of finished product discharger discharging opening 127,124 spiral side
To opposite.
The clasfficiator 6 is squirrel-cage clasfficiator.
See Fig. 3, be materials abrasive machine main part sectional view of the present invention, the main part of materials abrasive machine is by grinding
Room 3, working bin 5 and clasfficiator 6 are constituted, and are further provided with the necessary feeding of production line and drawing mechanism.Main part is erected at master
In frame 1, grinding chamber 3 is connected with mainframe 1 by adpting flange 34 and forms closing space.During work, by installed in main frame
The main motor 2 of the lower section of frame 1 drives abrasive body 31 to rotate by axle sleeve, it is pre- it is broken after solid material be stored in raw material cabin 8, raw material
The lower section of storehouse 8 sets raw material bin bracket 9, and material is entered in working bin 5 by device for transporting objects 7 through charging aperture 51.Device for transporting objects 7
Can be in the conventional feeding device such as bucket elevator, belt conveyor or vibra feeder, Fig. 1 by taking belt conveyor as an example.Work
The material receiving port that the feed opening of storehouse 5 is opened up with the middle part of abrasive body 31 is docked, and such material is directly entered grinding after falling through a selection by winnowing
Rotate therewith in body 31 and at a high speed, by the circular air inlet mouth 52 that is opened up on working bin 5 while can inspiration air, it is ensured that abrasive body
Pressure is always barotropic state in 3, while having the effect of air-cooled body.Grinding chamber bottom opens up slag-drip opening, to being remained after grinding
Remaining material residue is periodically removed.
The body of abrasive body 3 is made up of baffle upper plate plate 310 and chin spoiler 311, hammering one end of plate 35 and the body of abrasive body 3
Welded with wear resistance electrode, the other end stretches out originally external, can also act being oriented to the material that centrifugation is dished out while hammer action is played
Effect, is allowed to produce positive shock between liner plate 33, impact increase, while the frictional force during material is dished out also can be right
Hammering plate 35 plays souring, therefore can prevent the generation of " cushion ", increases substantially grinding efficiency.
The structure of grinding chamber 3 directly determines in grinding efficiency and grinding quality, the present invention that hammering plate 35 can use a variety of
Structure type.As shown in Fig. 2-1, abrasive body 3 provided with 3 groups of hammering plates 35, every group of hammering plate 35 set respectively hammering plate 35a and
Lower hammering plate 35b.Upper hammering plate 35a and lower hammering plate 35b could be arranged to diversified forms again, as shown in Fig. 2-1b, lower hammer
Hit plate 35b to be vertically arranged, upper hammering plate 35a body normals are set, but its top is obliquely installed.As shown in Fig. 2-1c, upper hammering
Plate 35a and lower hammering plate 35b are obliquely installed, and incline direction is opposite.Fig. 2-1a are that both modes hammer facing for plate 35
Polylith wear-resistant block 36 is designed with figure, each hammering plate 35.As shown in Fig. 2-2, abrasive body 3 hammers plates 35 provided with 3, each
Hammering plate 35 is obliquely installed (as shown in Fig. 2-2b), and is equipped with polylith wear-resistant block 36 thereon (as shown in Fig. 2-2a).
Liner plate 33 can also be taken various forms, as shown in Fig. 2-1, and liner plate 33 is served as a contrast using the indent arc-shaped gear of intensive setting
Plate, its big with material contact surface and time of contact is long, can further improve grinding efficiency.As shown in Fig. 2-2, liner plate 33 is used
Be relatively conventional dentation liner plate, its processing is relatively easy.
Arc deflector 37 is additionally provided with the body of abrasive body 3, abrasive body 3 is produced spiralling air-flow after rotating, will
Fine grained upwards transport simultaneously by conduit 4 enter working bin 5 in, material in working bin 5 under the airflow function that liquidates with air
It is sufficiently mixed elutriation.
See Fig. 4, be the structural representation of clasfficiator of the present invention.Clasfficiator 6 provides power by motor 61, is passed through belt
Dynamic device 62 drives the high-speed rotation of power transmission shaft 63, and clasfficiator 6 uses squirrel-cage clasfficiator principle, in the circumferencial direction of power transmission shaft 63
Blade rotor 65 is fixed with by supporting plate 64, the gas channel formed during rotation by the space between blade rotor 65 is to material
It is classified.The material for passing through clasfficiator 6 is qualified finished product, and unsanctioned material is dropped downward into working bin 5, and is returned
Return in grinding chamber 3 and regrind.
See Fig. 5, be the structural representation of two-way flood dragon conveyer of the present invention.Finished product discharger 12 of the present invention can
To use two-way flood dragon conveyer 12, discharging opening 127 be located at spiral collector and sack cleaner discharging opening 125,126 it
Between, and the hand of spiral of the both sides conveying blade of finished product discharger discharging opening 127 is opposite.The two-way biplate of two-way flood dragon conveyer 12
Structure can promote spiral collector 10 to be sufficiently mixed to reach rational grain composition with the finished product in sack cleaner 11.
Finished product materials after qualified are collected through clasfficiator outlet and delivery pipe into spiral collector 10, and collection rate can reach
70% or so, the fine grained mixed in addition with air is entered by the top of spiral collector 10 further to be received in sack cleaner 11
Collection, spiral collector 10 and to enter the finished product materials that sack cleaner 11 is collected into unified defeated by two-way flood dragon conveyer 12
Go out.In the present invention, because spiral collector 10 and sack cleaner 11 are located at the both sides of two-way flood dragon conveyer 12, two-way flood dragon
The discharging opening 127 of conveyer is located between spiral collector discharging material receiving port 125 and sack cleaner discharging material receiving port 126, because
This two-way flood dragon conveyer helical blade uses 124 two kinds of rotation direction blades of transport screw blade 123 and reverse acting spiral blade, so
When motor 121 drives power transmission shaft 122 to rotate, from spiral collector and the material of sack cleaner discharging opening outflow simultaneously to double
Concentrate and mix to the discharging opening 127 of flood dragon conveyer, so as to improve discharging efficiency.
Following examples are implemented lower premised on technical solution of the present invention, give detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to following embodiments.Method therefor is such as without spy in following embodiments
It is conventional method not mentionlet alone bright.
【Embodiment 1】
Institute's grinding material is talcum bits, and specific process parameter is shown in Table 1；
Table 1
| Clasfficiator rotating speed | 280 revs/min | 550 revs/min | 835 revs/min | 1110 revs/min |
| Product grading | 800 mesh | 1000 mesh | 1250 mesh | 1500 mesh |
| Yield | 2 ton hours | 1.5 ton hour | 0.9 ton hour | 0.5 ton hour |
【Embodiment 2】
Institute's grinding material is electric-melting magnesium, and specific process parameter is shown in Table 2；
Table 2
| Clasfficiator rotating speed | 280 revs/min |
| Product grading | 200 mesh |
| Yield | 1.5 ton hour |
【Embodiment 3】
Institute's grinding material is magnesite clinker, and specific process parameter is shown in Table 3；
Table 3
| Clasfficiator rotating speed | 280 revs/min |
| Product grading | 200 mesh |
| Yield | 1.5 ton hour |
All finished product percent of pass reach more than 95% in 3 embodiments of the above.
Claims (10)
1. a kind of solid material Ginding process, it is characterised in that rotation produces ascending air, grinding chamber top work to abrasive body at a high speed
Charging and the mixed elutriation function of wind are had concurrently as storehouse, and work silo wall offers circular air inlet mouthful, makes to remain just in abrasive body
Pressure, and provide wind mixed elutriation wind；It is pre- it is broken after solid material enter grinder from working bin charging aperture, after first time selection by winnowing
Into in abrasive body；Abrasive body is hollow structure, and top material receiving port is connected with working bin feed opening, is circumferentially with multiple materials and gets rid of
Outlet and hammering plate；Abrasive body possesses a variety of functions, and one is air blast function, and the material after crushing, which is transported in working bin, to be carried out
Wind mixes elutriation；Two be that material accelerates and function of radially dishing out, and material can be accelerated to 110~120m/s and radially dished out and directly hit
Liner plate is hit, souring is respectively provided with to hammering plate and liner plate, effectively abolished " cushion "；Three be to possess hammering function, hammering
Into the material in grinding chamber；Under the centrifugal action of the abrasive body of high speed rotation, material throws away mouth from the material on abrasive body
Radially thrown and hit broken on the liner plate of grinding chamber side wall, crushed after rebounding with newly entering the material percussion that liquidates；Bulky grain thing
Material is fallen by gravity, bounce effect, and after ground body hammering plate high-energy-rate hammering, grinding, material rotates to be formed in abrasive body
Airflow function under enter working bin upwardly through conduit, by wind mix elutriation after enter classifier；Working bin and grinding
Body is connected by conduit, and by circular air inlet mouthful air intake, clasfficiator is fallen material and carried out elutriation repeatedly；Reach granularity requirements
Finished product materials are discharged after being collected through spiral collector and sack cleaner by finished product discharger, and the material of not up to granularity requirements is returned
Return grinding chamber and carry out crushing grinding again.
2. a kind of solid material Ginding process according to claim 1, it is characterised in that material is most when abrasive body is broken
Big linear velocity is 120m/s, and the granularity of finished product materials is realized by adjusting the motor speed of clasfficiator.
3. the solid material grinder for realizing a kind of solid material Ginding process described in claim 1, it is characterised in that
Including the grinding chamber, working bin and clasfficiator set gradually from the bottom to top, abrasive body is provided with the middle part of the grinding chamber, with abrasive body
Liner plate is set on the wall of corresponding grinding chamber side；Abrasive body is hollow structure, and top material receiving port is connected with working bin feed opening, circumferentially set
There are multiple materials to throw away mouth and hammering plate；Grinding chamber and working bin are connected by multiple conduits, and working bin is provided with circular air inlet mouthful；
Clasfficiator is sequentially connected spiral collector and sack cleaner, and the discharging opening of spiral collector and sack cleaner is connected into respectively
Product discharger；The charging aperture of working bin connects raw material cabin additionally by device for transporting objects.
4. a kind of solid material grinder according to claim 3, it is characterised in that the abrasive body is along the circumferential direction set
There is multiple vertical or inclined hammering plate, each hammering plate sets 1~10 piece of wear-resistant block, wear-resistant block surface positioned at direction of rotation side
Provided with high-wear-resistant alloy layer, using wear resistance electrode welding between hammering plate and abrasive body body.
5. a kind of solid material grinder according to claim 3 or 4, it is characterised in that the hammering plate is arranged in groups,
Be upper hammering plate and lower hammering plate per component, and upper hammering plate and lower hammering plate are staggered in circumferencial direction, upper hammering plate, under
Hammer a part or whole part of plate vertically or be obliquely installed, angle of inclination is 5 °~30 °.
6. a kind of solid material grinder according to claim 3, it is characterised in that the liner plate is interior for dense arrangement
Arcs of recesses tooth liner plate, and surface is provided with high-wear-resistant alloy layer.
7. a kind of solid material grinder according to claim 4 or 6, it is characterised in that the high-wear-resistant alloy layer is logical
Cross stickup, coating or built-up welding mode to set, the trade mark of high-wear-resistant alloy is YL8.
8. a kind of solid material grinder according to claim 3, it is characterised in that in the abrasive body along the circumferential direction
If multiple arcs deflector, arc deflector is thrown away positioned at each material between mouth.
9. a kind of solid material grinder according to claim 3, it is characterised in that the finished product discharger is two-way flood dragon
Imperial conveyer, discharging opening is located between spiral collector and the discharging opening of sack cleaner, and finished product discharger discharging opening both sides
The hand of spiral of conveying blade is opposite.
10. a kind of solid material grinder according to claim 3, it is characterised in that the clasfficiator is squirrel-cage point
Level device.
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| CN201510312768.7A CN104941769B (en) | 2015-06-09 | 2015-06-09 | A kind of solid material Ginding process and solid material grinder |
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| CN201510312768.7A CN104941769B (en) | 2015-06-09 | 2015-06-09 | A kind of solid material Ginding process and solid material grinder |
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| CN104941769B true CN104941769B (en) | 2017-09-29 |
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| CN105289820B (en) * | 2015-11-06 | 2018-06-26 | 嘉兴高正新材料科技股份有限公司 | A kind of flour mill of hybrid process |
| CN105970769B (en) * | 2016-06-03 | 2019-02-26 | 徐州徐工养护机械有限公司 | A kind of horizontal extension formula asphalt finished bin |
| CN107552204B (en) * | 2017-09-28 | 2024-04-30 | 天津西敦粉漆科技有限公司 | Air classifying mill reducing mechanism |
| CN109225465A (en) * | 2018-10-11 | 2019-01-18 | 甘肃驰奈生物能源系统有限公司 | A kind of kitchen garbage breaking, screening, selection by winnowing integrated equipment |
| CN110743661B (en) * | 2019-10-29 | 2021-01-29 | 广东省农业科学院 | Efficient milling machine |
| CN110653044A (en) * | 2019-11-07 | 2020-01-07 | 中铁工程装备集团有限公司 | Novel mill equipment |
| CN111715355A (en) * | 2020-06-23 | 2020-09-29 | 东莞市五全机械有限公司 | Honeycomb mill production line device and production method |
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| DE4026924A1 (en) * | 1990-08-25 | 1992-02-27 | Orenstein & Koppel Ag | VERTICAL IMPACT MILL WITH INTEGRATED MATERIAL CLASSIFICATION |
| CN2389004Y (en) * | 1999-08-23 | 2000-07-26 | 白霖 | Vertical high-speed impact ultrafine disintegrating machine |
| CN2496551Y (en) * | 2001-07-11 | 2002-06-26 | 山西泰华工贸有限公司 | High length/diameter ratio mineral-fiber flour mill |
| CN201832683U (en) * | 2010-10-12 | 2011-05-18 | 咸阳非金属矿研究设计院 | Ultra-fine grinding and classification device |
| CN203196689U (en) * | 2013-04-11 | 2013-09-18 | 嘉兴山通矿山设备有限公司 | Rotor for sand making machine |
| CN204724286U (en) * | 2015-06-09 | 2015-10-28 | 蔡昌荣 | A kind of solid material grinder |
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