CN2159829Y - Super hard super fine dustless crusher - Google Patents

Abstract

The utility model relates to a super hard, super fine and dustless crusher, which is composed of a coarse crushing chamber, a fine crushing chamber, a blower and a winnowing separating chamber. A granularity dispensing plate is arranged on the casing of the winnowing separating chamber; a mesh regulating grid is arranged in the winnowing separating chamber; baffle rings are arranged between the coarse crushing chamber and the fine crushing chamber, and the fine crushing chamber and the winnowing separating chamber; a high pressure area and a low pressure area are formed by adjusting the angle of the mesh regulating grid and the opening of the granularity dispensing plate when working, crushing objects of different fineness then can be obtained. The overall process of the crushing is completed under negative pressure, thereby, the purpose of dustless can be achieved.

Description

Super hard super fine dustless crusher

The utility model relates to a kind of high hard ultra-fine dust-free pulverizing mill.It can grinding particulate the material of cane shape, can pulverize the very high Mineral feedstock of hardness again, be specially adapted to the mineral matter in medicinal material, grain, chemical industry, building materials and the feed addictive, the shell material grinding.Fineness reaches any fineness requirement from the size of 0.450-0.036 millimeter (40-400 order) process adjustment air quantity, has controlled the temperature of powder simultaneously, reaches the purpose that air channel generation negative pressure reaches dustless pulverizing in the pulverizing chamber owing to the blower fan position is provided with reasonable can making.

Present domestic and international widely used pulverizer, no matter be the pulverized fineness degree of the material pawl formula or hammer slice type, by the sieve sheet control that is contained in the pulverizing chamber, sieve sheet book and perforate are more, thereby intensity is limited, and running into bigger stone will be breakdown, and fineness is decided by the sieve diameter size, therefore scope and the condition of using is restricted, and more can not process Mineral feedstock.Industrial widely used ball mill is though overcome the shortcoming of above-mentioned pulverizer, energy consumption height (cement power consumption 42 degree per ton), iron loss big (cement consumption iron 63 grams per ton).No matter therefore the pulverizer or the ball mill scope of application and condition all have limitation.

The purpose of this utility model is: a kind of material of cane shape of both grinding particulates is provided at the deficiency in the above-mentioned technology, can pulverizes the very high Mineral feedstock of hardness again; The size of process adjustment air quantity reaches any fineness requirement of 0.45-0.036 millimeter, utilizes air-cooled control powder temperature.Because it is strong to combine the hammer leaf crushing force of beater disintegrating machine, hammer leaf is run into the transposition of bulk materials energy, ball mill does not have sieve and reaches ultra-fine requirement with selection by winnowing, utilizes the position interaction energy of blower fan to make to reach the air channel in the pulverizing chamber to produce negative pressure and realized high hard ultra-fine dust-free pulverizing mill.

The utility model is achieved in that it is made up of coarse crushing chamber, thin pulverizing chamber, selection by winnowing separation chamber, radial fan, wind-guiding bend pipe.Between coarse crushing chamber and the thin pulverizing chamber ring washer is arranged, between thin pulverizing chamber and the selection by winnowing separation chamber ring washer is also arranged.Rattan bar, stem tuber and bulk materials are from throat-fed radially.Granular material is from the axial feed inlet charging.The material of, bulk high hard for smashing, the hammer leaf of coarse crushing chamber are thicker, are to strengthen breaking capacity, and the hammer leaf of thin pulverizing chamber is thinner, and there is mesh adjusting grid the selection by winnowing separation chamber, have to adjust the air inlet of air quantity.The selection by winnowing separation chamber produces whirlwind under the effect of hammer leaf rotation, form higher-pressure region and low-pressure area in the selection by winnowing separation chamber thereby impel under the main effect of blower fan, to reach the ultra-fine purpose of selection by winnowing.Because of whole pulverizing, conveying, collection powder process are carried out in full closeding state, so can reach dustless purpose.

Accompanying drawing 1 is looked partial sectional view for master of the present utility model.

Accompanying drawing 2 is cover portion dress left view.

Accompanying drawing 3 is an axial admission door partial view.

1 is the coarse crushing chamber among the figure, and 2 is thin pulverizing chamber, and 3 is the selection by winnowing separation chamber, 4 is blower fan, and 5 is the wind-guiding bend pipe, and 6 is the axial admission control gate, 7 is mesh adjusting grid, and it can be swung in certain scope around fixed axis 8, and 9 are air inlet fineness degree adjustment plate, it has one at least, and can slide in slot separately, and 10 is pulverizer main shaft, 11 is thick hammer leaf, 12 are thin hammer leaf, 13,14 is ring washer, and 15 is particle hopper, 16 is cane, the bulk materials feed hopper, 17 is the shelves bin gates, 18,19 is the inner chamber lining ring, they are consumable accessory, after it may wear to certain degree, take off the lining ring that more renews, thus the instructions for use of this machine of assurance.20 are particulate charge adjustment plate, and 21 are collection powder Dust-proof bag, and 22 for the collection powder packs bucket, and 23 are pack control revolving door, and 24 is collection flour bag, bucket bearing support.

Slightly, thin pulverizing chamber is overall structure, is the material impact wear body of anti-hard many ribs, it be the open type lining ring that inner chamber is provided with lining ring 18 and 19,18,19 is the cylindrical shape lining ring, and ring washer 13 is arranged between 18 and 19, carefully between pulverizing chamber and the selection by winnowing separation chamber ring washer 14 is arranged.

Thick hammer leaf and thin hammer leaf are installed on the main shaft 10, are the anti-stuck damage parts of bulk materials, and the assembling energy activity of hammer leaf is freely to ensure safety.

The top of selection by winnowing separation chamber 3 is provided with mesh adjusting grid 7, under the effect of hammer leaf rotation, make the selection by winnowing separation chamber form whirlwind, add the draft effect of fan and the inhibition of mesh adjusting grid 7, thereby cause the selection by winnowing separation chamber to form higher-pressure region and low-pressure area, the effect of low-pressure area is to make the meal particle that does not reach fineness return thin pulverizing chamber to continue to pulverize.The fineness degree of powder is determined by two factors: the one, and the inclination angle size that mesh adjusting grid is transferred; The 2nd, the aperture size of fineness degree adjustment plate.

Blower fan 4 is arranged on the end of flour extraction pipe, under the effect of exhausting, makes coarse crushing chamber 1, thin pulverizing chamber 2, and selection by winnowing separation chamber 3 forms negative pressure in the wind-guiding bend pipe 5, prevented each cooperation place imprecision and the phenomenon of running powder.The blower fan outlet is near collection flour bag 21, the collection flour bag not only plays collection powder effect but also plays the filtration dustproof effect, thereby realize dustless pulverizing, collection flour bag 21 is hung vertically on the bearing support 24, and the whole surface that is beneficial to collect flour bag 21 can both filtration, and the lower end of collection flour bag is connected to integral body with collection powder pack bucket 22, the lower end of pack bucket is provided with pack control revolving door 23, by this control, the bottom that connects flour bag, connects flour bag that finished product packed into places on the table scale, to weigh up the weight of every bag of finished product.

Power is through belt pulley drive shaft 10 rotation at a high speed, hammer leaf 11,12 are subjected to action of centrifugal force, hit the pure material of powder in coarse crushing chamber and the broken indoor high-speed whipping of fine powder, granule materials is contained in the hopper 15, enter the coarse crushing chamber uniformly through 20 controls of particulate charge adjustment plate, bulk and rattan bar material are put into feed hopper 16, send into the coarse crushing chamber equably by the tractor driver, because having the effect material of ring washer 13 must be crushed to certain fineness could enter thin pulverizing chamber and continue to be crushed to needed fineness under the wind-force effect, under the effect of axial wind-force, be inhaled in the selection by winnowing separation chamber 3, owing to have the regulating and controlling effect of mesh adjusting grid 7 to make not reach falling into low-pressure area than coarse dust and under the effect of whirlwind, returning pulverizing chamber and repeat to pulverize of fineness requirement, to reaching the finished product of fineness requirement, just can enter bend pipe by mesh adjusting grid, be transported to the collection flour bag by blower fan, sink to the bottom by own wt, gas filters through dustcloth and discharges.

The utility model is owing to adopt two pulverizing chamber segmentation comminuting matters, and the circumferencial direction in pulverizing chamber is provided with the inner chamber lining ring, therefore the material of hard many ribs is forced to pulverize under the situation of the body that do not wear and tear after entering pulverizing chamber, hammer leaf makes material produce radial motion to the strike of material, the axial draft effect of blower fan produces the material in the pulverizing chamber and moves axially, thereby the speed of service of the material that slowed down, so equaled to strengthen the absolute velocity of hammer leaf to the strike of material, so both strengthened the strike chance of hammer leaf, strengthened grindability again material.Adjust plate because of being provided with two kinds of feed hoppers and two charging apertures and charging, control fineness without sieve with selection by winnowing, the coarse crushing chamber adopts thick hammer leaf to be adapted to hard material, thereby it is applied widely, reliable operation, ordinary material can be pulverized, various mineral matters, building materials, the raw materials of industry such as chemical industry, grain can be pulverized again.

Claims (2)

1, a kind of high hard ultra-fine dust-free pulverizing mill, comprise coarse crushing chamber 1, thin pulverizing chamber 2, blower fan 4, it is characterized in that after thin pulverizing chamber 2, selection by winnowing separation chamber 3 being arranged, blower fan 4 places the top of selection by winnowing separation chamber 3, having in selection by winnowing separation chamber 3 can be around the mesh adjusting grid 7 of axle 8 swings, fineness degree adjustment plate 9 is arranged on the housing of selection by winnowing separation chamber 3, between coarse crushing chamber 1 and the thin pulverizing chamber 2 and between thin pulverizing chamber 2 and the selection by winnowing separation chamber 3 ring washer 13,14 is being arranged.

2, pulverizer according to claim 1 is characterized in that in coarse crushing chamber 1 and the thin pulverizing chamber 2 inner chamber lining ring 18,19 being arranged.

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