CN103285996A - Vertical roller mill capable of simultaneously producing products with various granularities - Google Patents
Vertical roller mill capable of simultaneously producing products with various granularities Download PDFInfo
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- CN103285996A CN103285996A CN2013102206377A CN201310220637A CN103285996A CN 103285996 A CN103285996 A CN 103285996A CN 2013102206377 A CN2013102206377 A CN 2013102206377A CN 201310220637 A CN201310220637 A CN 201310220637A CN 103285996 A CN103285996 A CN 103285996A
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Abstract
The invention discloses a vertical roller mill capable of simultaneously producing products with various granularities. One layer or a plurality of layers of material collection devices are arranged inside a common roller mill shell; the material collection devices are located on an outer ring of the lower part of a sorting device and are connected with the inner wall of the mill shell through supporting frames; a discharging pipe of the sorting device penetrates through articulated chutes of the material collection devices to be connected through welding; and the lower parts of the material collection devices stretch out of the mill shell through connection pipes. In an operation process of the vertical roller mill, materials with greater granularities in a grinding device can be blown back by an air flow in an air ring; parts of the materials are collected by the material collection devices and then are discharged out of the mill to form other products, so that the target of producing the products with the various granularities at the same time can be realized; the function of the vertical roller mill is improved and the power consumption of the products is reduced.
Description
Technical field
The present invention relates to the material grinding field, concrete is a kind of vertical mill of producing multiple granularity product simultaneously.
Background technology
The lapping device that vertical mill is formed with grinding roller and mill is levigate material, it adopts material bed grinding principle grinding material, the acting in conjunction granularity that makes material on the mill be subjected to the grinding roller extruding and shear diminishes gradually, and the power that acts on the material can fully be absorbed by material, the capacity usage ratio height.Vertical wornly have outside the grinding function, also integrates grinding, homogenizing, dries, selects powder and conveying function, and it is simple to have a powder preparation flow, easy to operate, strong to material adaptability, advantage such as product energy consumption is low is widely used in the preparation of industry powder materials such as cement.The process of vertical abrasive dust grind materials is: material is entered in the mill by the grinding machine entrance, drops on the mill, and grinding roller moves at mill along circular trace, is added in pressure on the grinding roller by pressue device, material on the mill is squeezed and the acting in conjunction of shearing and levigate.Material behind the grinding has descended to leave mill in action of centrifugal force and has fallen into vane, and the bulky grain that wind does not rise passes vane and discharged outside the mill by vertical mill slag-drip opening, promotes transporting equipment by the outside again and returns the vertical salty new grinding of material that is grinding into; The particle that the gas that is made progress at a high speed blows afloat, bigger particle falls into mill, grinding again, smaller particles is taken to the separator with vertical mill one, sub-elects meal and fine powder, and meal turns back on the mill through the separator hopper, again grinding, fine powder then goes out mill with air-flow, under collecting in the dust arrester installation of system, forms product.
Present vertical mill can only be produced single product simultaneously, though can obtain the product of different fineness by the adjusting of operating, adjustable range is limited, and can not realize collecting simultaneously the product that obtains different fineness.Along with the expansion of vertical mill application, kind of a grinding machine need be arranged, being in operation to obtain the product of several fineness simultaneously.For example, in made from construction refuse resource is handled, waste concrete block and useless brick and tile are worn into powder, as the concrete material of referring and synthesizing, substitute part cement.As everyone knows, waste concrete block is made of the cement stone of rubble, sand and aquation, and rubble, sand do not have activity, useless brick and tile and cement stone active higher all worn into powder jointly, and its powder activity is very low, the amount of place of cement is very little, has reduced the using value of building waste powder.By processes such as fragmentation, screening, grinding repeatedly, the material of the rubble in the waste concrete block and these difficult mills of sand is selected a part earlier make regenerated coarse aggregate, recycled fine aggregate before forming fine powder, remainder further is finely ground to the fine powder admixture, this fine powder admixture is owing to rejected rubble and the sand that does not partly have activity, activity significantly improves, when the configuration novel concrete, can substitute more cement, and solve the problem that the 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 the vertical mill that can produce multiple granularity product is simultaneously arranged, so, with this device processes building waste, can realize producing simultaneously recycled fine aggregate and fine powder admixture, just much more simply its process make that the fine powder admixture is active improves, and energy consumption also decreases.
Summary of the invention
In order to overcome the defective that existing vertical mill can not be produced multiple granularity product simultaneously, the present invention is by installing material-gathering device in common vertical mill housing, make the big material of the granularity that falls into lapping device originally fall into aggregate bin, and then the discharge mill is external, forms another kind of granularity product.By a plurality of material-gathering devices are installed, thereby realize that a vertical mill produces multiple granularity product simultaneously in vertical mill housing.
Technical scheme of the present invention:
Produce the vertical mill of multiple granularity product simultaneously, it is characterized in that: described vertical mill comprises that material-gathering device 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 connect with flange successively, gate valve also can be connected on the extension tube attached front, and observation window is contained in top or the sidepiece of extension tube attached; Tube connector is welded on the grinding machine shell;
Described grinding machine shell is installed on support and the 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 the grinding machine shell inwall by the material-gathering device bracing frame, the tremie pipe of sorting unit passes the elephant trunk of material-gathering device, and stretch out outside the grinding machine shell by tube connector the bottom of material-gathering device;
The top of described grinding machine shell is provided with gas material outlet, sidewall is provided with in the grinding machine shell of tremie pipe one side of the charging aperture sorting unit that points to material-gathering device lapping device is installed, the described hydraulic means lapping device that is in transmission connection is connected with slag-drip opening on the grinding machine shell of lapping device bottom.
The described vertical mill of producing multiple granularity product simultaneously 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.
The described vertical mill of producing multiple granularity product simultaneously is characterized in that: described aggregate bin upper end is for circular, and the lower end is square.
Advantage of the present invention:
The present invention has changed the situation that original vertical mill at one time can only a kind of product of output, can realize vertical mill two kinds of outputs even more kinds of products simultaneously, simplified preparation different grain size goods batch, improved the operating efficiency of vertical mill, reduced product energy consumption and cost, so make vertical mill can be applicable to more extensive in the field.
Description of drawings
Fig. 1 is structural representation of the present invention, among the figure: 1, slag-drip opening, 2, support and transmission device, 3, grinding machine shell, 4, material-gathering device, 5, the 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, among the figure: 3, grinding machine shell, 5, the material-gathering device bracing frame, 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.
The specific embodiment
Referring to accompanying drawing, a kind of vertical mill of collecting multiple granularity product simultaneously, it comprises slag-drip opening 1, support 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; Material-gathering device 4 is positioned at the outer ring of sorting unit 7 bottoms, is connected with grinding machine shell 3 inwalls 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, stretch out outside the grinding machine shell by tube connector the bottom of material-gathering device 4, the top of grinding machine shell 3 is provided with gas material outlet 8, sidewall is provided with in the grinding machine shell 3 of tremie pipe 9 one sides of charging aperture 6 sorting units that point to material-gathering device 4 lapping device 10 is installed, hydraulic means 11 lapping device 10 that is in transmission connection is connected with slag-drip opening 1 on the grinding machine shell 3 of lapping device 10 bottoms.
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 connect with flange successively, gate valve 4-4 also can be connected on extension tube attached 4-3 front, 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 the 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 the lower end is square.
Operation principle of the present invention is: the material in the vertical mill behind the grinding is blowed by strength, different height layers has the material of different fineness in the housing, the flue-dust retainer of a material-gathering device is installed on the height of required the sort of product, collects product, pass grinding machine shell by chute and discharge vertical mill.Vertical mill in the course of the work, usually product is discharged by gas material outlet, is collected by the gathering-device of system configuration, another product is collected by material-gathering device, thereby reaches the target of two kinds of different grain size products of output at one time.Differing heights is installed N layer material-gathering device in grinding machine shell, and the same time can obtain N+1 kind granularity product.
As the grinding building waste, material enters grinding machine from charging aperture, fall on the mill of lapping device, rolled and pulverize by grinding roller, the material of pulverizing moves to the edge under the effect of mill rotary centrifugal force, falls into vane, the bulky grain that wind does not rise is discharged outside the mill by vertical mill slag-drip opening through vane, promotes transporting equipment by the outside again and returns the vertical salty new grinding of material that is grinding into; The particle that the gas that is made progress at a high speed takes up, the bigger particle that gathers materials below the quarrel at material-gathering device falls into mill, grinding again, and the bigger particle that gathers materials more than the quarrel at material-gathering device can fall into aggregate bin, be discharged from outside the mill, form the product than coarseness; Smaller particles is taken to the separator with vertical mill one, and meal is through turning back to behind the separator on the mill, again grinding; Fine powder then goes out mill with air-flow, under collecting in the dust arrester installation of system, forms product.Along with the taking-up midway of non-activity difficult-to-grind materials, fine powder is active to be improved, and power consumption reduces.Material-gathering device is the setting height(from bottom) difference in grinding machine shell, and the product granularity of collecting is also different.The multilayer material-gathering device is installed in grinding machine shell, and this grinding machine is just produced aggregate and the fine powder of multiple granularity simultaneously and is referred and synthesized material.
What indicate is that material-gathering device slips out the material of collecting outside the grinding machine by elephant trunk in the such scheme, if adopt conveying worm that the material of collecting is moved on to outside the mill, still is protection domain of the present invention herein.
Claims (3)
1. produce the vertical mill of multiple granularity product simultaneously, it is characterized in that: described vertical mill comprises that material-gathering device 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 connect with flange successively, gate valve also can be connected on the extension tube attached front, and observation window is contained in top or the sidepiece of extension tube attached; Tube connector is welded on the grinding machine shell;
Described grinding machine shell is installed on support and the 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 the grinding machine shell inwall by the material-gathering device bracing frame, the tremie pipe of sorting unit passes the elephant trunk of material-gathering device, and stretch out outside the grinding machine shell by tube connector the bottom of material-gathering device;
The top of described grinding machine shell is provided with gas material outlet, sidewall is provided with in the grinding machine shell of tremie pipe one side of the charging aperture sorting unit that points to material-gathering device lapping device is installed, the described hydraulic means lapping device that is in transmission connection is connected with slag-drip opening on the grinding machine shell of lapping device bottom.
2. the vertical mill of producing multiple granularity product simultaneously according to claim 1, 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.
3. the vertical mill of producing multiple granularity product simultaneously according to claim 1 is characterized in that: described aggregate bin upper end is for circular, and the lower end is square.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220637.7A CN103285996B (en) | 2013-06-04 | 2013-06-04 | Produce the vertical mill of multiple granularity product simultaneously |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310220637.7A CN103285996B (en) | 2013-06-04 | 2013-06-04 | Produce the vertical mill of multiple granularity product simultaneously |
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| CN103285996A true CN103285996A (en) | 2013-09-11 |
| CN103285996B CN103285996B (en) | 2015-12-09 |
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| CN201310220637.7A Active CN103285996B (en) | 2013-06-04 | 2013-06-04 | Produce the vertical mill of multiple granularity product simultaneously |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435905A (en) * | 2015-12-15 | 2016-03-30 | 莱歇研磨机械制造(上海)有限公司 | Double-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 |
| CN113426530A (en) * | 2021-07-07 | 2021-09-24 | 郑州沃特节能科技股份有限公司 | Device and method for preparing superfine composite micro powder |
Citations (3)
| 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 |
-
2013
- 2013-06-04 CN CN201310220637.7A patent/CN103285996B/en active Active
Patent Citations (3)
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435905A (en) * | 2015-12-15 | 2016-03-30 | 莱歇研磨机械制造(上海)有限公司 | Double-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 |
| CN113426530A (en) * | 2021-07-07 | 2021-09-24 | 郑州沃特节能科技股份有限公司 | Device and method for preparing superfine composite micro powder |
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| Publication number | Publication date |
|---|---|
| CN103285996B (en) | 2015-12-09 |
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