CN103285996B - Produce the vertical mill of multiple granularity product simultaneously - Google Patents

Produce the vertical mill of multiple granularity product simultaneously Download PDF

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Publication number
CN103285996B
CN103285996B CN201310220637.7A CN201310220637A CN103285996B CN 103285996 B CN103285996 B CN 103285996B CN 201310220637 A CN201310220637 A CN 201310220637A CN 103285996 B CN103285996 B CN 103285996B
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gathering
grinding machine
machine shell
vertical mill
granularity
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CN103285996A (en
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袁凤宇
李金荣
秦广超
张志宇
潘自力
袁文献
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HEFEI ZHONGYA BUILDING MATERIAL EQUIPMENT CO Ltd
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HEFEI ZHONGYA BUILDING MATERIAL EQUIPMENT CO Ltd
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Abstract

The invention discloses a kind of vertical mill simultaneously producing multiple granularity product, it installs one or more layers material-gathering device in common vertical mill housing, and material-gathering device is positioned at the outer ring of sorting unit bottom, is connected with grinding machine shell inwall by material-gathering device bracing frame; The tremie pipe of sorting unit passes the elephant trunk of material-gathering device, and by being weldingly connected, the bottom of material-gathering device is stretched out outside grinding machine shell by tube connector.Vertical mill was blown back the comparatively coarsegrain material of lapping device originally by air-flow in vane in running, after part is collected by material-gathering device, discharge outside mill, form other product, thus reach the target of producing multiple different grain size product at one time, improve the function of vertical mill, reduce product power consumption.

Description

Produce the vertical mill of multiple granularity product simultaneously
Technical field
The present invention relates to material grinding field, particularly a kind of vertical mill simultaneously producing multiple granularity product.
Background technology
The lapping device of vertical mill grinding roller and mill composition is levigate material, it adopts bed-grinding principle grinding material, the acting in conjunction granularity making material on mill be subject to grinding roller extruding and shearing diminishes gradually, and the power acted on material fully can be absorbed by material, and capacity usage ratio is high.Vertical mill, except having grinding function, also integrates grinding, homogenizing, dries, selects powder and conveying function, have powder preparation flow simple, easy to operate, to material strong adaptability, the advantages such as product energy consumption is low, are widely used in the preparation of the industry powder materials such as cement.The process of vertical mill grinding material is: material enters in mill by mill entrance, and drop on mill, grinding roller moves on mill along circular trace, is added in the pressure on grinding roller by pressue device, material on mill is squeezed and the acting in conjunction of shearing and levigate.Material after grinding leaves mill under the influence of centrifugal force and falls into vane, and the bulky grain that wind does not rise is discharged outside mill by vertical mill slag-drip opening through vane, then returns vertical mill feeding mouth grinding again by outside Lifting Convey equipment; By the particle that high speed gas upwards blows afloat, larger particle falls into mill, grinding again, less particle is taken to the separator with vertical mill one, and sub-elect meal and fine powder, meal turns back on mill through separator hopper, again grinding, fine powder then goes out mill with air-flow, collects in the dust arrester installation of system, forms product.
Current vertical mill can only produce single product simultaneously, although can obtain the product of different fineness by the adjustment of operation, adjustable range is limited, and can not realize collecting the product obtaining different fineness simultaneously.Along with the expansion of vertical mill application, need kind of a grinding machine, be in operation and can obtain the product of several fineness simultaneously.Such as, in construction refuse resource process, waste concrete block and useless brick and tile grinds, refer and synthesize material as concrete, replacing partial cement.As everyone knows, waste concrete block is made up of the Behavior of Hardened Cement Paste of rubble, sand and aquation, and rubble, sand do not have activity, the activity of useless brick and tile and Behavior of Hardened Cement Paste is higher, common all grinds, and its powder activity is very low, the amount substituting cement is very little, reduces the using value of building waste powder.By the repeatedly process such as fragmentation, screening, grinding, rubble in waste concrete block and these difficult materials ground of sand are first selected a part before formation fine powder and makes regenerated coarse aggregate, recycled fine aggregate, remainder is finely ground to fine powder admixture further, this fine powder admixture does not have activated rubble and sand owing to eliminating part, activity significantly improves, more cement can be substituted when configuring novel concrete, and solve the problem that configuration concrete is thick, fine aggregate is not enough.Said process is various, flow process is complicated, resource utilization is low, energy consumption is high, if there is the vertical mill producing multiple granularity product simultaneously, so, with this device processes building waste, can realize producing recycled fine aggregate and fine powder admixture simultaneously, its process is just much simple, and fine powder admixture activity is improved, and energy consumption also decreases.
Summary of the invention
The defect of multiple granularity product can not be produced in order to overcome existing vertical mill simultaneously, the present invention by installing material-gathering device in common vertical mill housing, make the larger material of granularity originally falling into lapping device fall into aggregate bin, and then discharge outside mill body, form another kind of granularity product.By installing multiple material-gathering device in vertical mill housing, thus realize a vertical mill and produce multiple granularity product simultaneously.
Technical scheme of the present invention:
Produce the vertical mill of multiple granularity product simultaneously, it is characterized in that: described vertical mill comprises material-gathering device and comprises slag-drip opening, support and transmission device, grinding machine shell, material-gathering device, material-gathering device bracing frame, charging aperture, sorting unit, gas material outlet, lapping device, hydraulic means;
Described material-gathering device is made up of aggregate bin, elephant trunk, tube connector, extension tube attached, gate valve, observation window, aggregate bin, elephant trunk, tube connector, extension tube attached, gate valve use Flange joint successively, gate valve also can be connected on before extension tube attached, and observation window is contained in top or the sidepiece of extension tube attached; Tube connector is welded on grinding machine shell;
Described grinding machine shell is installed on support and transmission device, its inside is provided with one deck or several layers of material-gathering device, material-gathering device is positioned at the outer ring of sorting unit bottom and is fixed on grinding machine shell inwall by material-gathering device bracing frame, the tremie pipe of sorting unit passes the elephant trunk of material-gathering device, and the bottom of material-gathering device is stretched out outside grinding machine shell by tube connector;
The top of described grinding machine shell is provided with gas material outlet, sidewall be provided with point to material-gathering device charging aperture sorting unit tremie pipe side grinding machine shell in lapping device is installed, described hydraulic means is in transmission connection lapping device, and the grinding machine shell of lapping device bottom is connected with slag-drip opening.
Produce the vertical mill of multiple granularity product while described, it is characterized in that: the center line of the elephant trunk of described material-gathering device, tube connector, extension tube attached, gate valve is same straight line, becomes 40 ~ 50 ° of angles with horizontal line.
Produce the vertical mill of multiple granularity product while described, it is characterized in that: described aggregate bin upper end is for circular, and lower end is square.
Advantage of the present invention:
The present invention changes original vertical mill at one time can only the situation of a kind of product of output, the vertical mill product that output two kinds is even more kinds of simultaneously can be realized, simplify and prepare different grain size goods batch, improve the operating efficiency of vertical mill, reduce product energy consumption and cost, and then make vertical mill can be applicable to field more extensively.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, in figure: 1, slag-drip opening, 2, support and transmission device, 3, grinding machine shell, 4, material-gathering device, 5, material-gathering device bracing frame, 6, charging aperture, 7, sorting unit, 8, gas material outlet, 9, tremie pipe, 10, lapping device, 11, hydraulic means;
Fig. 2 is the structural representation of material-gathering device of the present invention, in figure: 3, grinding machine shell, 5, material-gathering device bracing frame, and 4-1, aggregate bin, 4-2, elephant trunk, 4-3, extension tube attached, 4-4, gate valve, 4-5, observation window, 4-6, tube connector.
Detailed description of the invention
See accompanying drawing, collect a vertical mill for multiple granularity product, it comprises slag-drip opening 1, supports and transmission device 2, grinding machine shell 3, material-gathering device 4, material-gathering device bracing frame 5, charging aperture 6, sorting unit 7, gas material outlet 8, lapping device 9, hydraulic means 11 simultaneously; Material-gathering device 4 is positioned at the outer ring of sorting unit 7 bottom, is connected with grinding machine shell 3 inwall by material-gathering device bracing frame 5; The tremie pipe 9 of sorting unit 7 passes the elephant trunk of material-gathering device, by being weldingly connected, the bottom of material-gathering device 4 is stretched out outside grinding machine shell by tube connector, the top of grinding machine shell 3 is provided with gas material outlet 8, sidewall be provided with point to material-gathering device 4 charging aperture 6 sorting unit tremie pipe 9 side grinding machine shell 3 in lapping device 10 is installed, hydraulic means 11 is in transmission connection lapping device 10, and the grinding machine shell 3 of lapping device 10 bottom is connected with slag-drip opening 1.
As shown in Figure 2: material-gathering device 4 is made up of aggregate bin 4-1, elephant trunk 4-2, tube connector 4-6, extension tube attached 4-3, gate valve 4-4, observation window 4-5, aggregate bin 4-1, elephant trunk 4-2, tube connector 4-6, extension tube attached 4-3, gate valve 4-4 use Flange joint successively, gate valve 4-4 also can be connected on before extension tube attached 4-3, and observation window 4-6 is contained in top or the sidepiece of extension tube attached 4-3; Tube connector 4-6 is welded on grinding machine shell 3.
The center line of elephant trunk 4-2, tube connector 4-6, extension tube attached 4-3, gate valve 4-4 is same straight line, becomes 40 ~ 50 ° of angles with horizontal line.
Aggregate bin 4-1 upper end is circular, and lower end is square.
Operation principle of the present invention is: the material in vertical mill after grinding is blowed by strength, height layers different in housing has the material of different fineness, the flue-dust retainer of a material-gathering device is arranged on the height of required that product, collects product, discharge vertical mill by chute through grinding machine shell.Vertical mill in the course of the work, discharged by gas material outlet, and collected by the gathering-device of system configuration, another product is collected by material-gathering device, thus reaches the target of output two kinds of different grain size products at one time by usual product.In grinding machine shell, differing heights installs N layer material-gathering device, and the same time can obtain N+1 kind granularity product.
As grinding building waste, material enters grinding machine from charging aperture, fall on the mill of lapping device, rolled by grinding roller and pulverize, the material pulverized, under the effect of mill rotary centrifugal force, moves to edge, falls into vane, the bulky grain that wind does not rise is discharged outside mill by vertical mill slag-drip opening through vane, then returns vertical mill feeding mouth grinding again by outside Lifting Convey equipment; By the particle that high speed gas upwards takes up, larger particle below material-gathering device gathers materials quarrel falls into mill, grinding again, and the larger particle more than material-gathering device gathers materials quarrel can fall into aggregate bin, be discharged outside mill, form the product compared with coarseness; Less particle is taken to the separator with vertical mill one, and meal turns back on mill after separator, again grinding; Fine powder then goes out mill with air-flow, collects in the dust arrester installation of system, forms product.Along with the taking-up of non-activity difficult-to-grind materials midway, fine powder activity improves, and power consumption reduces.Material-gathering device setting height(from bottom) in grinding machine shell is different, and the product granularity collected is also different.In grinding machine shell, install multilayer material-gathering device, the aggregate of multiple granularity just produced by this grinding machine simultaneously and fine powder refers and synthesizes material.
Indicate, in such scheme, material-gathering device slips out the material collected outside grinding machine by elephant trunk herein, and according to conveying worm, the material collected being moved on to outside mill, is still scope.

Claims (3)

1. produce the vertical mill of multiple granularity product simultaneously, it is characterized in that: described vertical mill comprises material-gathering device, slag-drip opening, support and transmission device, grinding machine shell, material-gathering device bracing frame, charging aperture, sorting unit, gas material outlet, lapping device, hydraulic means;
Described material-gathering device is made up of aggregate bin, elephant trunk, tube connector, extension tube attached, gate valve, observation window, aggregate bin, elephant trunk, tube connector, extension tube attached, gate valve use Flange joint successively, gate valve also can be connected on before extension tube attached, and observation window is contained in top or the sidepiece of extension tube attached; Tube connector is welded on grinding machine shell;
Described grinding machine shell is installed on support and transmission device, its inside is provided with one deck or several layers of material-gathering device, material-gathering device is positioned at the outer ring of sorting unit bottom and is fixed on grinding machine shell inwall by material-gathering device bracing frame, the tremie pipe of sorting unit passes the elephant trunk of material-gathering device, and the bottom of material-gathering device is stretched out outside grinding machine shell by tube connector;
The top of described grinding machine shell is provided with gas material outlet, sidewall is provided with the charging aperture pointing to material-gathering device, in the grinding machine shell of the tremie pipe side of sorting unit, lapping device is installed, described hydraulic means is in transmission connection lapping device, and the grinding machine shell of lapping device bottom is connected with slag-drip opening.
2. the vertical mill simultaneously producing multiple granularity product according to claim 1, is characterized in that: the center line of the elephant trunk of described material-gathering device, tube connector, extension tube attached, gate valve is same straight line, becomes 40 ~ 50 ° of angles with horizontal line.
3. the vertical mill simultaneously producing multiple granularity product according to claim 1, is characterized in that: described aggregate bin upper end is for circular, and lower end is square.
CN201310220637.7A 2013-06-04 2013-06-04 Produce the vertical mill of multiple granularity product simultaneously Active CN103285996B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105435905B (en) * 2015-12-15 2018-12-28 莱歇研磨机械制造(上海)有限公司 A kind of dual output mode Vertical Mill
CN105642408A (en) * 2016-03-22 2016-06-08 中材装备集团有限公司 Novel vertical roll mill with grinded powder outward-guide mechanism
CN106563531A (en) * 2016-11-04 2017-04-19 合肥中亚建材装备有限责任公司 Ash hopper skirt type aggregate discharge device of vertical roller mill

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1943862A (en) * 2006-10-25 2007-04-11 夏纪勇 Vertical roller grinder
CN201140087Y (en) * 2007-12-21 2008-10-29 于本良 Series connected roller mill
CN203494625U (en) * 2013-06-04 2014-03-26 合肥中亚建材装备有限责任公司 Vertical roller mill for producing products with various particle sizes simultaneously

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1943862A (en) * 2006-10-25 2007-04-11 夏纪勇 Vertical roller grinder
CN201140087Y (en) * 2007-12-21 2008-10-29 于本良 Series connected roller mill
CN203494625U (en) * 2013-06-04 2014-03-26 合肥中亚建材装备有限责任公司 Vertical roller mill for producing products with various particle sizes simultaneously

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