CN105597871A - Dry multi-level pulverizing mill and pulverizing production system - Google Patents

Dry multi-level pulverizing mill and pulverizing production system Download PDF

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Publication number
CN105597871A
CN105597871A CN201610152415.XA CN201610152415A CN105597871A CN 105597871 A CN105597871 A CN 105597871A CN 201610152415 A CN201610152415 A CN 201610152415A CN 105597871 A CN105597871 A CN 105597871A
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Prior art keywords
crusher chamber
air inlet
wear
grinding machine
dry type
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CN201610152415.XA
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CN105597871B (en
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张伟伟
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张伟伟
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/02Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool

Abstract

The invention discloses a dry multi-level pulverizing mill and a pulverizing production system. The dry multi-level pulverizing mill comprises a box, crushing cavities (15), crushing rotor bodies (8), a feeding hole (11), a crushing cavity air inlet (10), a box air inlet (12), a fine powder outlet (17) and a discharge hole (14), wherein the crushing cavities are located in the box and internally comprise multiple levels of crushing cavities, and a plurality of crushing rotor bodies (8) are arranged in the crushing cavities and are used for smashing the material. When used for pulverizing the material, the dry multi-level pulverizing mill has the advantages of low power consumption, high efficiency, low manufacture cost, simple structure and adjustable pulverizing granularity, and production cost in existing dry pulverizing operation is lowered effectively.

Description

A kind of dry type multilevel grinding machine and grinding production system
Technical field
The present invention relates to dry type flour mill field, especially a kind of highly effective dry-type multilevel grinding machine and grinding are producedSystem.
Background technology
Common dry type grinding has ball mill and Raymond mill etc., and ball mill is the cylindrical shell by level, input and output material skyThe part such as axle and bistrique composition, cylindrical shell is long cylinder, in cylinder, abrasive body is housed, cylindrical shell is steel plate manufacture,Have steel liner plate and cylindrical shell to fix, abrasive body is generally steel ball, and presses different-diameter and certain proportion dressEnter in cylinder, abrasive body also can be used steel section. Selected according to the granularity of grinding material, material is entered by ball millMaterial end hollow shaft packs in cylindrical shell, and in the time that ball mill barrel rotates, abrasive body is due to inertia and centrifugal masterpieceWith, the effect of frictional force, is attached on shell liner it and is taken away by cylindrical shell, in the time being brought to certain heightWait, left due to the Action of Gravity Field of itself, the abrasive body of whereabouts as projectile by cylindrical shellMaterial is smashed. Material enters grinding machine the first storehouse, this storehouse by feed arrangement equably through pan feeding quill shaft spiralInside there are ladder lining board or corrugated liner, in-built all size steel ball, barrel body rotation produces centrifugal force by steel ball bandAfter certain altitude, fall, material is produced to bang and abrasive action. Material reaches after corase grind in the first storehouse,Enter the second storehouse through single layer partition panel, in this storehouse, stud with flat liner plate, inside have steel ball, material is further ground.Powder is discharged by discharging grate plate, completes grinding operation.
Raymond mill be grinding roller under centrifugal action tightly roll extrusion on bull ring, scoop up material by perching knife and deliver toIn the middle of grinding roller and bull ring, material is broken into powder under the effect of grinding pressure, and then under the effect of blower fan, handle becomesThe material of powder blows afloat machine by analysis, the material that reaches fineness requirement is by analytical engine, does not reach requirementReturn mill chamber and continue to grind, enter cyclone separator separated and collected by the material of analytical engine.
Above two kinds of dry type flour mills are mainly to rely on abrasive body or grinding roller to rush material to the fragmentation of materialHit, grinding, roll extrusion be used for realizing, its a large amount of energy consumption between abrasive body and abrasive body andCollision between lining board of grinder is upper with wearing and tearing, according to theoretical mensuration of crushing work of Answlm, is really applied to millThe power proportions of powder is extremely low. And these equipment profiles are huge, and power consumption is higher, with high costs, maintenance inconvenience,Inefficiency.
Summary of the invention
Huge in order to solve the equipment profile that existing equipment exists, power consumption is higher, with high costs, maintenance inconvenience,The problems such as inefficiency, the present invention proposes a kind of dry type multilevel grinding machine grinding production system, have powerConsume lowly, the advantage such as efficiency is high, and cost is low, simple in structure, and properties of powder performace is adjustable, can effectively reduce existingProduction cost in dry type grinding operation.
The technical solution adopted for the present invention to solve the technical problems is: comprise that casing, crusher chamber, fragmentation turnDaughter, charge door, crusher chamber air inlet, casing air inlet, fine powder discharging opening, discharge gate; Described caseBody comprises upper box and lower box, and box house has cavity; Described crusher chamber is that multistage that level communicates brokenBroken chamber, and described crusher chamber is installed on described box house; Described broken rotor body is arranged on described fragmentationIn chamber, and the number of described broken rotor body and the progression of crusher chamber corresponding, described broken rotor body passes throughBearing, bearing bracket are fixed in described crusher chamber, and the driving mechanism being connected by broken rotor axon drives;Described charge door, crusher chamber air inlet, casing air inlet is arranged at respectively the feed end of described upper box,Described charge door is connected with the first order crusher chamber of described crusher chamber, described crusher chamber air inlet and described brokenBroken chamber communicates, and described casing air inlet communicates with described box house; Described fine powder discharging opening is arranged atOn the afterbody crusher chamber upper box of described crusher chamber, described discharge gate is arranged on described crusher chamberOn rear one-level crusher chamber lower box.
As preferably, on the crusher chamber wall of described broken rotor body both sides, the wear-resisting side plate of upper and lower two halves is installed,On wear-resisting side plate, have multiplely in order to the draw-in groove of wear rib to be installed, wear rib is installed in draw-in groove.
As preferably, the angle between described draw-in groove and broken rotor central axis is 22 °~30 °.
As preferably, described broken rotor body is positioned at crusher chamber center, and broken rotor body central axis crossesWear-resisting side plate center, both sides, described broken rotor body is around central rotation structure, as hammer slice type, hammerhead,Plate-hammer-type etc., and while moving, there is identical direction of rotation in multiple stage crushing chamber.
As preferably, the top of described wear rib is provided with the wear-resisting sieving plate of arc, described arc Wear-resistant sieveDivide plate along the circumferential direction to have screening gap, and the circumferencial direction both sides of arc sieving plate are provided with arc and pressPlate, in order to fixing arc sieving plate.
As preferably, described screening gap is 0.2~3mm.
As preferably, the arc sieving plate in described afterbody crusher chamber is provided with discharge gate, by moreChange difform wear rib, realize the adjustment of discharging gap length, until discharge gate seals completely, to haveDischarging speed, air velocity, the grain fineness of effect control appliance, and the time of staying of Particle Breakage.
As preferably, described crusher chamber air inlet and casing air inlet are adjustable air inlet, aboveBe provided with control valve, control wind speed and the intake of air intake by control valve.
As preferably, described upper box and described lower box are provided with access hole, convenient to crusher chamber insideDetect and change damage parts.
A grinding production system that comprises this multilevel grinding machine, also comprises raw material cabin, deduster, air-introduced machine;Described raw material cabin connects the charge door of multistage flour mill, and fine powder discharging opening connects deduster, and deduster connectsAir-introduced machine, part from deduster out through collect, the material after most of abrasive dust is discharged receipts by discharge gateCollection.
Beneficial effect of the present invention is: the present invention is from the angle of many rotors of high speed multiple stage crushing grinding, with how brokenContacting mutually in broken chamber, and adopts the adjustable wear-resisting sieving plate of arc in gap at cavity periphery, through breaking at a high speed after mill,Part subparticle, under the effect of internal gas flow and outside air-introduced machine air-flow, collects through deduster. Large portionDivide abrasive dust material to collect by discharge gate. In the grinding of material, there is power consumption low, efficiency is high, makesThe advantages such as valency is low, simple in structure, and properties of powder performace is adjustable. Effectively reduce the production in existing dry type grinding operationCost.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to implementingIn example or description of the Prior Art, the accompanying drawing of required use is briefly described, and apparently, the following describesIn accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not payingGo out under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the structural representation of wear-resisting side plate.
Fig. 4 is the structural representation of arc sieving plate.
Fig. 5 is the upward view of Fig. 4.
Fig. 6 grinding production system annexation schematic diagram.
In figure: 1, upper box; 2, arc pressuring plate; 3, arc sieving plate; 4, wear rib; 5, wear sidePlate; 6, bearing block; 7, lower box; 8, broken rotor body; 9, bearing; 10, crusher chamber air inlet,11, charge door; 12, casing air inlet; 13, adjustable wear rib; 14, discharge gate; 15, fragmentationChamber; 16, bearing bracket; 17, fine powder discharging opening; 18, draw-in groove; 19, screening gap; 20, regulateValve; 21, access hole; 22, raw material cabin; 23, deduster; 24, air-introduced machine.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below will be to technical side of the present inventionCase is described in detail. Obviously, described embodiment is only the present invention's part embodiment, and notWhole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not making woundAll other embodiments that obtain under the prerequisite of the property made work, all belong to the scope that the present invention protects.
As shown in Figure 1, a kind of dry type multilevel grinding machine, is characterized in that: comprise casing, crusher chamber (15),Broken rotor body 8, charge door 11, crusher chamber air inlet 10, casing air inlet 12, fine powder discharging opening 17,Discharge gate 14; Described casing comprises upper box 1 and lower box 7, and box house has cavity; Described is brokenThe multiple stage crushing chamber that broken chamber 15 communicates for level, and described crusher chamber 15 is installed on described box house; InstituteThe broken rotor body 8 of stating is arranged in described crusher chamber 15, and the number of described broken rotor body 8 is with brokenThe progression in chamber 15 is corresponding, and described broken rotor body 8 is fixed on institute by bearing 9, bearing bracket 16State in crusher chamber 15, and the driving mechanism being connected by broken rotor body 8 axles drives; Described charge door 11, brokenBroken chamber air inlet 10, casing air inlet 12 are arranged at respectively the feed end of described upper box 1, described reinforcedMouth 11 is connected with the first order crusher chamber of described crusher chamber, described crusher chamber air inlet 10 and described fragmentationChamber 15 communicates, and described casing air inlet 12 communicates with described box house; Described fine powder discharging opening 17Be arranged on the afterbody crusher chamber upper box of described crusher chamber, described discharge gate 14 is arranged on described brokenOn the afterbody crusher chamber lower box 7 in broken chamber. On crusher chamber 15 walls of described broken rotor body 8 both sidesThe wear-resisting side plate 5 of upper and lower two halves is installed, on wear-resisting side plate 5, have multiple in order to the draw-in groove 18 of wear rib 4 to be installed,18 li of draw-in grooves are provided with wear rib 4. As shown in Figure 3, described draw-in groove 18 and broken rotor central axisBetween angle be 22 °~30 °. Described broken rotor body 8 is positioned at crusher chamber center, and in broken rotor body 8Axle line crosses wear-resisting side plate 5 centers, both sides, and described broken rotor body 8 is around central rotation structure, as hammerChip, hammerhead, plate-hammer-type etc., and while moving, there is identical direction of rotation in multiple stage crushing chamber.The top of described wear rib 4 is provided with the wear-resisting sieving plate of arc, and the wear-resisting sieving plate of described arc is along circumference sideTo having screening gap 19, and the circumferencial direction both sides of arc sieving plate 3 are provided with arc pressuring plate 2, useTo fix arc sieving plate 3. As shown in Figure 4, described screening gap 19 is 0.2~3mm. DescribedArc sieving plate 3 in afterbody crusher chamber is provided with discharge gate 14, difform wear-resisting by changingBar 4, realizes the adjustment of discharging gap length, until discharge gate 14 seals completely, with ACUDischarging speed, air velocity, grain fineness, and the time of staying of Particle Breakage. Described crusher chamber air intakeMouth 10 is adjustable air inlet with casing air inlet 12, is provided with control valve 20 above, by adjustingJoint valve is controlled wind speed and the intake of air intake. Described upper box 1 and described lower box 7 are provided with inspectionRepair mouth 21.
A grinding production system that comprises multilevel grinding machine claimed in claim 1, as shown in Figure 6,Also comprise: raw material cabin 22, deduster 23, air-introduced machine 24; Described raw material cabin 22 connects multistage flour millCharge door 11, fine powder discharging opening 17 connects deduster 23, deduster 23 connects air-introduced machine 24, part fromDeduster 23 out after through collecting, the material after most of abrasive dust is discharged and is collected by discharge gate 14. If rowMaterial mouthful 14 discharge materials are undesirable, and one can be by adjusting discharge gate gap, and two can arrange discharge gate 14The material going out sieves, and the material not meeting the demands after screening reenters flour mill and carries out abrasive dust.
When work, material enters crusher chamber from the charge door 11 of upper box 1 feed end setting, broken rotor body8 connect by shaft coupling or belt, High Rotation Speed under the drive of motor, the material entering and High Rotation SpeedBroken rotor body 8 high-speed impacts, the particle high-speed impact fragmentation of material and material, and in each cavity phaseFierce fragmentation, the one-tenth subparticle of clashing in logical position. Under the effect of internal gas flow and outside air-introduced machine 26,Overflow from the arc sieving plate 3 of crusher chamber 15 peripheries, from the fine powder discharging opening 17 of the discharge end top of equipmentDischarge, be collected through deduster 23 process equipments such as grade. In the end the lower end of one-level crusher chamber 15 arranges simultaneouslyThere is capable of regulating clearance type discharge gate 14. According to actual needs, regulate the gap of discharge gate, discharge gate is dischargedMaterial satisfy the demand. Crusher chamber air inlet 10 is for providing the required hot blast of technique or normal temperature gas in crusher chamberBody, casing air inlet 12 provides air inlet gas for box house.
The above be only the specific embodiment of the present invention, but protection scope of the present invention is not limited toThis, any be familiar with those skilled in the art the present invention disclose technical scope in, can expect easilyChange or replace, within all should being encompassed in protection scope of the present invention. Therefore, protection scope of the present invention shouldThe described protection domain with claim is as the criterion.

Claims (10)

1. a dry type multilevel grinding machine, is characterized in that: comprise casing, crusher chamber (15), fragmentationRotor block (8), charge door (11), crusher chamber air inlet (10), casing air inlet (12), fine powderDischarging opening (17), discharge gate (14); Described casing comprises upper box (1) and lower box (7),Box house has cavity; The multiple stage crushing chamber that described crusher chamber (15) communicates for level, and described fragmentationChamber (15) is installed on described box house; Described broken rotor body (8) is arranged on described crusher chamber (15)In, and the number of described broken rotor body (8) is corresponding with the progression of crusher chamber (15), and described fragmentation turnsDaughter (8) is fixed in described crusher chamber (15) by bearing (9), bearing bracket (16), andThe driving mechanism being connected by broken rotor body (8) axle drives; Described charge door (11), crusher chamber air inlet(10), casing air inlet (12) is arranged at respectively the feed end of described upper box (1), described charge door(11) be connected with the first order crusher chamber of described crusher chamber, described crusher chamber air inlet (10) with described inCrusher chamber (15) communicates, and described casing air inlet (12) communicates with described box house; Described is thinPowder discharging opening (17) is arranged on the afterbody crusher chamber upper box of described crusher chamber, described discharge gate(14) be arranged on the afterbody crusher chamber lower box (7) of described crusher chamber.
2. dry type multilevel grinding machine according to claim 1, is characterized in that: described fragmentation turnsOn crusher chamber (15) wall of daughter (8) both sides, the wear-resisting side plate of upper and lower two halves (5) is installed, wear-resisting side plate(5) on, have multiple in order to the draw-in groove (18) of wear rib (4) to be installed, draw-in groove (18) is inner be provided with wear-resistingBar (4).
3. dry type multilevel grinding machine according to claim 2, is characterized in that: described draw-in groove (18)And the angle between broken rotor central axis is 22 °~30 °.
4. dry type multilevel grinding machine according to claim 1, is characterized in that: described broken rotorBody (8) is positioned at crusher chamber center, and broken rotor body (8) central axis crosses the wear-resisting side plates in both sides (5)Center, described broken rotor body (8) is around central rotation structure, and while moving in multiple stage crushing chamber, toolThere is identical direction of rotation.
5. dry type multilevel grinding machine according to claim 1, is characterized in that: described wear rib(4) top is provided with the wear-resisting sieving plate of arc, and the wear-resisting sieving plate of described arc along the circumferential direction has screeningGap (19), and the circumferencial direction both sides of arc sieving plate (3) are provided with arc pressuring plate (2), useTo fix arc sieving plate (3).
6. dry type multilevel grinding machine according to claim 5, is characterized in that: described screening seamGap (19) is 0.2~3mm.
7. dry type multilevel grinding machine according to claim 1, is characterized in that: described lastArc sieving plate (3) in level crusher chamber is provided with discharge gate (14), difform wear-resisting by changingBar (4), realizes the adjustment of discharging gap length, until discharge gate (14) seals completely.
8. dry type multilevel grinding machine according to claim 1, is characterized in that: described crusher chamberAir inlet (10) is adjustable air inlet with casing air inlet (12), is provided with control valve above(20)。
9. dry type multilevel grinding machine according to claim 1, is characterized in that: described upper box (1)Be provided with access hole (21) with described lower box (7).
10. a grinding production system that comprises multilevel grinding machine claimed in claim 1, is characterized in thatAlso comprise: raw material cabin (22), deduster (23), air-introduced machine (24); Described raw material cabin (22)Connect the charge door (11) of multistage flour mill, fine powder discharging opening (17) connects deduster (23), dedustingDevice (23) connect air-introduced machine (24), part from deduster (23) out through collect, most of abrasive dustAfter material by discharge gate (14) discharge collect.
CN201610152415.XA 2016-03-17 2016-03-17 A kind of dry type multilevel grinding machine and grinding production system Active CN105597871B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB737253A (en) * 1952-12-23 1955-09-21 Pawert A G Improvements in hammer mills
CN2564247Y (en) * 2002-05-16 2003-08-06 刘杰 Multi-stage crusher
CN2822765Y (en) * 2005-08-31 2006-10-04 黄官禹 Machine for producing ore powder
CN2852718Y (en) * 2005-12-26 2007-01-03 大连轻工业学院 Processing machine of bone meal feedstuff
CN201728133U (en) * 2010-06-02 2011-02-02 建德市沪联建筑材料有限公司 Multi-stage crusher
CN104874439A (en) * 2015-05-05 2015-09-02 湖州浙宝冶金辅料有限公司 Efficient fine crusher
CN105057067A (en) * 2015-07-22 2015-11-18 中建材(合肥)粉体科技装备有限公司 High-pressure and high-efficiency roller press grinding system with screening device
CN204891987U (en) * 2015-08-28 2015-12-23 长沙深湘通用机器有限公司 A crusher
CN204891980U (en) * 2015-06-15 2015-12-23 吕江良 Environment -friendly selection by winnowing beater grinder
CN205435860U (en) * 2016-03-17 2016-08-10 张伟伟 Multistage flour mill of dry -type and grinding production system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB737253A (en) * 1952-12-23 1955-09-21 Pawert A G Improvements in hammer mills
CN2564247Y (en) * 2002-05-16 2003-08-06 刘杰 Multi-stage crusher
CN2822765Y (en) * 2005-08-31 2006-10-04 黄官禹 Machine for producing ore powder
CN2852718Y (en) * 2005-12-26 2007-01-03 大连轻工业学院 Processing machine of bone meal feedstuff
CN201728133U (en) * 2010-06-02 2011-02-02 建德市沪联建筑材料有限公司 Multi-stage crusher
CN104874439A (en) * 2015-05-05 2015-09-02 湖州浙宝冶金辅料有限公司 Efficient fine crusher
CN204891980U (en) * 2015-06-15 2015-12-23 吕江良 Environment -friendly selection by winnowing beater grinder
CN105057067A (en) * 2015-07-22 2015-11-18 中建材(合肥)粉体科技装备有限公司 High-pressure and high-efficiency roller press grinding system with screening device
CN204891987U (en) * 2015-08-28 2015-12-23 长沙深湘通用机器有限公司 A crusher
CN205435860U (en) * 2016-03-17 2016-08-10 张伟伟 Multistage flour mill of dry -type and grinding production system

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