CN205518001U - Install and derive mechanism outside crocus on vertical roller mill - Google Patents

Abstract

The utility model relates to an install and derive mechanism outside crocus on vertical roller mill, its characterized in that should outer derive the unloading awl that the mechanism connects vertical roller mill, including guide chute and horizontal conveying mean, the guide chute is connected to bottom at the unloading awl, guide chute and unloading awl inner chamber intercommunication, the lower extreme of guide chute leans out, forms the landslide of a slope, lower tip at the guide chute borders on horizontal conveying mean. Above -mentioned structure guarantees that the specific surface of material adjusts at reasonable within range, derive the mill outside with mediumgrain or finished product crocus, reduce the material circulation, reduce and grind interior loss of pressure, improve the grinding efficiency, practice thrift the energy consumption, reduce the wearing and tearing of mill and grinding roller roller shell, increase the life -span of wear -resisting part, returning the powder and going into levigately, the reduction of this part material increases bed of material stability, reduces mill vibration and noise.

Description

One is arranged on the outer export agency of pulverizing on vertical roll grinder

Technical field

This utility model belongs to grinding system classification in the industries such as building materials, electric power, mine, metallurgy, chemical industry, metal mine Region be arranged on vertical roll grinder the outer export agency of pulverizing.

Background technology

Vertical roller grinder powder concentrator collection is broken, be dried, grinding, classification are transported in one, and production efficiency is high, and can be by block Shape, graininess and powder raw material wear into required granular material.Vertical roller grinder uses the choosing of sound state combination high-efficiency cage modle Powder machine, it is possible to ensure that the specific surface area of material regulates in the reasonable scope, and ensure that material finished product has suitable distribution of particles, It it is the energy-conservation equipment of efficient grinding using bed of material grinding technology principle.

Original vertical roller grinder, material, after grinding roller grinds, is entered efficient cage type powder by wind-force effect and carries out classification, Fine grained finished product is selected, and relatively coarse granule is returned directly to mill or air guide ring, and middle granule materials is in powder concentrator assorting room Being imported chute to mill by blanking cone to continue to grind, commonly referred to as powder concentrator returns powder.Material is grinding in vertical roller grinder, Form a closed cycle process, until material is sorted out as finished product by levigate.

Due to the multiformity of material, some materials can exist some difficult mill phases, such as slag, slag, metal tailings, Metallurgical slag etc., some of which irony difficulty mill phase, the existence of difficult mill phase causes material grinding energy consumption to increase, and is difficult to sort, Easily mill and grinding roller roller shell cause abrasion.Material is by after repeatedly grinding in Vertical Mill, and difficult mill is difficult to be crushed to finished product grain mutually Degree, this partial material is easily enriched with in powder concentrator feed back, and novel vertical roller mill powder concentrator is by separating this partial material Out, thus improve the grinding efficiency of grinding machine, reduce grinding and generate energy consumption, increase economic benefit.

Ore grinding vertical roll grinder uses bed-grinding principle, and collection is broken, be dried, grinding, classification are transported in one, grinding Efficiency is high, is used widely at building materials field, and block, graininess and powder raw material can be worn into required fineness by it. Additionally, vertical roll grinder configuration sound state combination high-efficiency cage modle powder concentrator, it is possible to ensure that the fineness of product material is rationally In the range of flexible, and ensure that material finished product has suitable distribution of particles, be that in Inorganic nonmetal mineral processing, advantage is bright The aobvious energy-conservation equipment of grinding.

Ore resource is China's property strategic, in short supply resource, and along with the fast development of current steel and iron industry, various places Ore provides Source is the most in short supply, of high grade, easily to sort Ore the most rare.In existing ore processing technology, ball mill by wet process Grinding system is widely used, but ball mill mill efficiency is low, and energy consumption is high, and grinding process needs substantial amounts of water, Water resource waste is serious, and along with energy-saving and emission-reduction, the wideling popularize of Environment Protection Policy, this technology will progressively be eliminated； Being proposed the Ore grinding technology of dry grinding dry separation the most successively, wherein high pressure roller mill power savings advantages is more obvious, but This equipment needs to configure V-type powder concentrator, dynamic powder concentrator etc., and process system is complex, and equipment configuration quantity is more, Invest higher, Technique Popularizing difficulty.

Summary of the invention

This utility model provides a kind of simple in construction for solving technical problem present in known technology, improves grinding and selects powder Efficiency, reduces Matter Transfer, reduces mill internal resistance loss, increases grinding efficiency, reduce being arranged on of grinding energy vertical The outer export agency of pulverizing on roller mill.

This utility model is adopted the technical scheme that by solving technical problem present in known technology:

One is arranged on the outer export agency of pulverizing on vertical roll grinder, it is characterised in that this outer export agency connects vertical rolls The blanking cone of grinding machine, including guide chute and horizontal transport agency；Blanking cone bottom connect guide chute, described in lead Material chute bores inner space with blanking, and the lower end of described guide chute is outward-dipping, forms a landslide tilted；Leading The bottom of material chute adjoins horizontal transport agency.

This utility model has the advantage that with good effect: owing to this utility model technique scheme is fitted in vertical rolls On mill powder concentrator, vertical roller grinder powder concentrator is had the advantage that

1, can not only ensure that the specific surface area of material regulates in the reasonable scope, carry out selecting the coarse granularity during powder Regulation and control, and difficult-to-grind materials can be discharged, improve vertical roller grinder mill efficiency, reduce grinding energy.

2, the middle granule that will be enriched in difficult-to-grind materials leads to outside grinding machine, has contained that difficult-to-grind materials is enriched with in grinding machine, reduces Mill, the abrasion of grinding roller roller shell, add the life-span of wear parts, saves production cost.

3, middle granule materials enters to grind raw material relatively carefully relatively, leads to, outside grinding machine, reduce through novel vertical roller mill powder concentrator Material loosening degree, reduces the fluctuation of the bed of material, reduces grinding machine vibration, the beneficially steady running of grinding machine.

It is fitted on ore grinding vertical roll grinder and ore grinding vertical roll grinder is had the advantage that

1, ore grinding vertical roll grinder, uses bed-grinding principle, and mill efficiency is high, and ore processing energy consumption is low, joint Can be with the obvious advantage, save production cost.

2, ore grinding vertical roll grinder, uses dry grinding dry separation technology, without water in production process, has stopped great lot of water resources Waste, beneficially environmental conservation.

3, ore grinding vertical roll grinder, all uses bed-grinding principle compared with high pressure roller mill, but vertical roll grinder is Collecting grinding, select powder equipment integrally, technological process is simple, and equipment configuration quantity is few, and cost of investment is low.

4, ore grinding vertical roll grinder, uses roller drive, mill driven, effectively reduces the speed between grinding roller and mill Difference, reduces the abrasion of equipment wear parts, reduces production maintenance cost.

This utility model reasonable in design in sum, simple possible, dismounting and easy to adjust and manufacture and safeguard into This is cheap, has huge economic benefit.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model；

Fig. 2 is this utility model Application Example 1 structural representation；

Fig. 3 is this utility model Application Example 2 structural representation.

In figure: 1, vertical roller grinder mill；2, rotor of powder separator；3, static wind blade；4, blanking cone；5, enter Material chute；6, roller mill driving means；6-21；Motor；6-22；Shaft coupling；6-23；Reductor；6-24, hydraulic pressure fill Put；6-25, grinding roller；7-1, guide chute；7-2, horizontal transport agency.

Detailed description of the invention

For summary of the invention of the present utility model, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate Accompanying drawing describes in detail as follows:

Referring to Fig. 1, one is arranged on the outer export agency of pulverizing on vertical roll grinder, and described outer export agency connects vertical rolls The blanking cone 4 of grinding machine, including guide chute 7-1 and horizontal transport agency 7-2；Connect guide in the bottom of blanking cone 4 to slip Groove 7-1, described guide chute 7-1 bore inner space with blanking, and the lower end of described guide chute 7-1 is outward-dipping, are formed One landslide tilted；Adjoin horizontal transport agency in the bottom of guide chute, described horizontal transport agency uses belt Conveying mechanism, belongs to known technology, does not repeats.

When actually used, can be intermediate products or finished product according to the pulverizing of guide chute derivation, apply.Tool Body is with reference to below embodiment.

Embodiment 1, refers to Fig. 2, and a kind of novel vertical roller mill powder concentrator with the outer export agency of pulverizing, including installing Rotor of powder separator 2 on vertical roller grinder mill 1 and static wind blade 3, be arranged under static wind blade lower end Material cone 4, connects the feed chute 5 of blanking cone lower end, and the lower end of described feed chute extends perpendicularly to vertical roll grinder mill The center of 1, and roller mill driving means 6, also include the outer export agency 7 of pulverizing, and described outer export agency connects vertical The blanking cone 4 of formula roller mill, including guide chute 7-1 and horizontal transport agency 7-2；Connect in the bottom of blanking cone 4 and lead Material chute 7-1, described guide chute 7-1 bore inner space with blanking, and the lower end of described guide chute 7-1 is outward-dipping, Form a landslide tilted；Adjoin horizontal transport agency 7-2 in the bottom of guide chute, described horizontal transport agency is adopted With belt type conveying mechanism, belong to known technology, do not repeat.

Operation principle of the present utility model

Under the driving effect of motor, the material at mill center that falls is under the influence of centrifugal force at lining board for grinding discs Shang You center Moving to edge, form the bed of material, the axis operating position of grinding roller and level have certain angle, and grinding pressure applies from grinding roller To the bed of material, material is pulverized under grinding roller with the extruding of lining board for grinding discs, shear action, until finished product.

Material after grinding is taken to its powder concentrator powder-separating area by wind, and a part of coarse granule overcomes not during rising The gravity of self falls and continues to grind to mill, and the granule being brought to powder concentrator enters and rotor leaf via static wind blade Powder-separating area between sheet, the material of middle granule falls into blanking cone, fine grain entrance rotor, becomes finished product, regulation rotor Rotating speed may be controlled to the fineness of product.In non-finished product, granule (powder concentrator returns powder) falls into blanking cone, enters the thing of blanking cone Expect to be derived outside grinding machine by middle granule guide chute and belt conveyor.

Compared with the most traditional vertical roller grinder powder concentrator, add granule guide chute during blanking cone lower ending opening connects 7-1, outer lace 7, middle granule are expelled to vertical roll grinder outside rather than enter mill together with new feeding, are arranged Go out to the material outside grinding machine again through sorting after use further.Middle granule materials can be led to by this new structure Outside grinding machine, eliminate the difficult-to-grind materials enrichment effect at mill, improve mill efficiency；Meanwhile, the subtracting of difficult-to-grind materials Few, reduce mill, the abrasion of grinding roller roller shell, add the life-span of wear parts, reduce production cost；Grinding machine vibrates Reducing, operation stability increases；Additionally, this utility model reasonable in design, simple possible, manufacture and maintenance cost Cheap, there is the advantages such as huge economic benefit.

Embodiment 2, refers to Fig. 3, a kind of ore grinding vertical roll grinder with the outer export agency of pulverizing；Including installing Rotor of powder separator 2 on vertical roller grinder mill 1 and static wind blade 3, be arranged under static wind blade lower end Material cone 4, connects the feed chute 5 of blanking cone lower end, and the lower end of described feed chute extends perpendicularly to vertical roll grinder mill The center of 1, and roller mill driving means 6, the material entrance classification powder concentrator that mill 1 is driven, polished turns Son 2 and static wind blade 3, finished product materials enters blanking cone 4, then further as side-product through the fines of powder concentrator Process and use；New feeding falls mill from feed chute 5, and the finished product after sorting is through guide chute 7-1, horizontal transport agency 7-2, to finished product system；Roller mill driving means 6 includes motor 6-21, shaft coupling 6-22, reductor 6-23, grinds pressurization Using hydraulic means 6-24, grinding roller 6-25, grinding roller quantity can need to design 2～8 according to equipment capacity, grinding roller roller Set can be designed as cylinder, cone or tyre type, show only cylindrical roller shell in figure.

Compared with the most traditional ore grinding vertical roll grinder, traditional vertical roll grinder uses mill to drive, after material grinds Sort through powder concentrator, obtain product from powder concentrator outlet collection, and this novel ore grinding vertical roll grinder, adopting of innovation By roller drive system, powder concentrator increases guide chute, uses as the product ground through the material of guide chute, from The material that powder concentrator outlet obtains, as side-product, processes use further after collection.This new structure uses material bed powder Mill principle, mill efficiency is high, reduces energy consumption；Roller drive can effectively reduce grinding roller, mill the speed of service poor, Effectively it is engaged material, beneficially grinding machine stable operation, improves mill efficiency；Grinding process is dry process, in grinding process Without adding any water, not resulting in can water resource waste, beneficially environmental conservation；Meanwhile, ore grinding vertical roll grinder is Integrating grinding, select the equipment of powder, technological process is simple, it is simple to production operation, and system configuration quantity is few, invests low； Equipment operational reliability is good, and beneficially industrialization is maximized and produced, and noise is low.Additionally, present configuration is reasonable in design, letter Single feasible, manufacture and maintenance cost is cheap, there is the advantages such as huge economic benefit.

The above is only to preferred embodiment of the present utility model, not makees this utility model any pro forma Limit, every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations with Modify, belong in the range of technical solutions of the utility model.

Claims (1)

1. one kind is arranged on the outer export agency of pulverizing on vertical roll grinder, it is characterised in that this outer export agency connects vertical The blanking cone of formula roller mill, including guide chute and horizontal transport agency；Guide chute, institute is connected in the bottom of blanking cone Stating guide chute and bore inner space with blanking, the lower end of described guide chute is outward-dipping, forms a landslide tilted； Horizontal transport agency is adjoined in the bottom of guide chute.