CN104028360A - Flow stabilization weighing cabin of roller press - Google Patents
Flow stabilization weighing cabin of roller press Download PDFInfo
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- CN104028360A CN104028360A CN201310565199.8A CN201310565199A CN104028360A CN 104028360 A CN104028360 A CN 104028360A CN 201310565199 A CN201310565199 A CN 201310565199A CN 104028360 A CN104028360 A CN 104028360A
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- square cone
- homogenizing
- circular inner
- distributing device
- roller
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Abstract
The invention discloses a flow stabilization weighing cabin of a roller press. The flow stabilization weighing cabin comprises a square cone-base steel cabin body and at least three grades oflevelingdistributors mounted inside the cabin body, and the square cone base steel cabin body is provided with a material inlet and a material outlet. In comparison with those in the prior art, at least three-time leveling functions can be realized in the cabin through the at least three stages of leveling distributors; six times of scattering and blending are carried out to materials entering into cabin, so chunks of plastics and fine particleclinkers are fully leveled, and the compactnessof the materials after being leveled is raised; mixed coarse and fine materials simultaneously enter into a rolling region of the roller press and are pressed by the roller press in an even manner, the materials after rolling are compact, and qualified fine particles are more; the rolling efficiency of the roller press is greatly raised, the rolling face of the roller press is balanced in stress, axial deflection between an action roller and a fixed roller is reduced, the axial force action of the action roller and the fixed roller during operation of the roller press is lowered, and the service life of bearings and associated components is raised.
Description
Technical field
The present invention relates to the flow stabilizing weighing cabin that a kind of cement industry is used.
Background technology
Existing flow stabilizing weighing cabin is arranged on the top of roll squeezer, stores the particle grog get off from the sorting of V-type powder concentrator and from the clinker warehouse bulk grog of coming, and gives steel storehouse at the bottom of a square cone of roll squeezer feeding.There is the material storing of certain controlling level in flow stabilizing weighing cabin, guarantee to have stable material to roll squeezer feeding, the weight of material of the certain controlling level storing applies extruding force to bottom material and the material at the bottom of storehouse is forced in feeding roller press roll extrusion region, realizes the feeding function to roll squeezer.In storehouse, the homogenization quality of material will directly affect the roll extrusion efficiency of roll squeezer and the service life of grinding roller and associated components.
Tradition flow stabilizing weighing cabin, as see Fig. 1, flow stabilizing weighing cabin by square cone at the bottom of steel warehouse 2 and be contained in this square cone at the bottom of a homogenizing drapery panel 3 in steel warehouse form, at the bottom of square cone, steel warehouse 2 has square charging aperture 1 and discharging opening 4, it is on 1/4th position of steel warehouse total height at the bottom of square cone that homogenizing drapery panel 3 is weldingly fixed on from the height of discharging opening by channel-section steel, and homogenizing drapery panel 3 makes a circle and is highly that the wear strip of 100mm forms by a block length square plate with along rectangular bar of steel edges of boards.The particle grog getting off from the sorting of V-type powder concentrator and entering in the current stabilization storehouse of weighing from the feeding mouth 1 of flow stabilizing weighing cabin from the clinker warehouse bulk grog of coming, the particle grog getting off from the sorting of V-type powder concentrator is to sort out from the material of roll squeezer roll extrusion, its granularity is not more than 3mm and accompanies the tiny powdered material that V-type powder concentrator is not selected, and from the clinker warehouse granularity of coming, is the bulk materials of 30mm.In the situation that material level is low, the material that enters storehouse can be trickled down on homogenizing drapery panel, on homogenizing drapery panel, first stacking material becomes can play the taper stockpile of abrasionproof, at the bottom of the material entering is below trickled down and is scattered on taper stockpile again and enter storehouse, the particle grog now getting off from the sorting of V-type powder concentrator and reach the object of a homogenizing from the clinker warehouse bulk grog fusion of coming.After at the bottom of square cone, the material level of steel warehouse 2 reach a certain height, the homogenizing drapery panel 2 in storehouse is embedded in material, and homogenizing drapery panel loses the effect of matter homogenizing.Enter material in storehouse without homogenizing, there will be the phenomenon of bulk materials and thin material layering or piecemeal, this phenomenon makes material emanate, and the material of segregation is unfavorable for the running of roll squeezer.The in the situation that of layering material, when the bulk noncombustibility bed of material enters roll squeezer, because of material closely knit not, roll extrusion efficiency can reduce, when fine grained grog enters roll squeezer, be easy to meet and slipped and be not subject to roll extrusion effect from roller, greatly reduce the operating efficiency of roll squeezer, in the situation of material piecemeal, there will be roller at roll squeezer to meet length direction one side is bulk grog, opposite side is fine grained grog, the roll squeezer of permanent roll-in design just there will be the roller by bulk grog end to meet than leaning on the roller of fine grained grog end to meet greatly, the deviation that roller meets produces a very large axial force to the roller of rolling machine rotatablely moving, the rotation that is easy to make skid between roller of rolling machine bearing inner race and roller axle of responsive to axial force alternately, form wearing and tearing, after wearing and tearing, the termination bolt of rigid bearing is easily cut off, cause grinding machine normally to work, also there will be the uneven wear of roller of rolling machine wearing layer simultaneously, reduce the life-span of roller of rolling machine wearing layer.
Summary of the invention
The invention provides a kind of flow stabilizing weighing cabin, the homogenizing drapery panel that it can solve existing flow stabilizing weighing cabin is easily embedded in material, homogenizing drapery panel loses the effect of matter homogenizing, cause grinding machine normally to work, also there will be the uneven wear of roller of rolling machine wearing layer simultaneously, reduce the problem in the life-span of roller of rolling machine wearing layer.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: it includes at the bottom of square cone steel warehouse and is contained in the homogenizing distributing device in this warehouse, at the bottom of described square cone, steel warehouse is provided with charging aperture and discharging opening, described homogenizing distributing device has three grades, described in the first order, homogenizing distributing device is fixed on the position at 3/4ths places of steel warehouse total height at the bottom of described square cone, described in the second level, homogenizing distributing device is fixed on the position at 2/4ths places of steel warehouse total height at the bottom of described square cone, described in the third level, homogenizing distributing device is fixed on the position at 1/4th places of steel warehouse total height at the bottom of described square cone.
In technique scheme, scheme can also be more specifically: described in the first order, described in homogenizing distributing device and the second level, homogenizing distributing device includes circular inner disc and annular outer disk, the base plate outward flange of described circular inner disc is provided with abrasionproof ring flat-plate, described circular inner disc is connected with collet by support member, this collet is looped around the periphery of described circular inner panel, between described collet and described wear strip, is provided with spacing; The annular bottom plate outward flange of described annular outer disk is provided with abrasionproof ring flat-plate, and the upper end of this wear strip is connected with the lower end of described support member, and described support member is connected with the inwall of steel warehouse at the bottom of described square cone.
Further: the diameter of described circular inner disc and the equal diameters of described charging aperture, the diameter of described annular its endoporus of outer disk and the equal diameters of described charging aperture; Described wearing ring plate height is 50mm; Spacing between described collet and described abrasionproof ring flat-plate is 0.5 times of described circular inner disc diameter; Distance between described circular inner disc and described annular outer disk is 0.75 times of described circular inner disc diameter, and described collet height is 50mm.
Further: at the bottom of described square cone, the top of steel warehouse is provided with in described charging aperture one side the mouth that gathers dust.
Owing to adopting technique scheme, the present invention compared with prior art, has following beneficial effect:
1, because homogenizing distributing device has three grades at least, therefore in storehouse, can realize at least three times homogenization function, enter material in storehouse by least six times break up and admix, make bulk plastics and the sufficient homogenizing of fine grained grog, material after abundant homogenizing, the packing of material increases, the thickness material mixing enters the roll extrusion region of roll squeezer simultaneously, roll-in function is balancedly pushed to material, material material cake after roll extrusion is closely knit, qualified fine powder is more, roller press roll extrusion efficiency improves widely, roll surface of roller press producing balanced forces, reduce the axial-shift between action roller and fixed roll, the responsive to axial force of action roller and fixed roll while reducing roll squeezer operation, improve the service life of bearing and associated components, also avoid the unbalanced wearing and tearing of roll surface simultaneously.
2, material after roll squeezer roll extrusion enters V-type powder concentrator and selects powder, V-type powder concentrator selects the grinding efficiency of powder generally 70～80%, 20～30% qualified powder is not selected in addition, in homogenization process, the material of these fine-powdered forms very large airborne dust, at the bottom of square cone of the present invention, top, steel storehouse is provided with the mouth that gathers dust and is connected to cement grinding mill dust-precipitator by pipeline, the airborne dust that homogenizing in storehouse can be produced is collected cement grinding mill dust-precipitator and is directly entered in cement grinding mill again, reduce the power consumption of qualified powder secondary rolled, improve grinding efficiency, improve cement grinding mill output simultaneously, reduce the power consumption of cement grinding system.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional flow stabilizing weighing cabin.
Fig. 2 is the structural representation of flow stabilizing weighing cabin of the present invention.
Fig. 3 is the structural representation of this homogenizing distributing device.
Fig. 4 is the A-A cutaway view of Fig. 3.
The specific embodiment
Below in conjunction with instantiation, the invention will be further described:
The present embodiment as shown in Figure 2, Figure 3 and Figure 4, it includes at the bottom of square cone steel warehouse 1 and is contained in the homogenizing distributing device in this warehouse, at the bottom of square cone, steel warehouse 1 is provided with charging aperture 2 and discharging opening 3, homogenizing distributing device has three grades, first order homogenizing distributing device 4 is fixed on the position at 3/4ths places of steel warehouse 1 total height at the bottom of square cone, second level homogenizing distributing device 5 is fixed on the position at 2/4ths places of steel warehouse 1 total height at the bottom of square cone, and third level homogenizing distributing device 6 is fixed on the position at 1/4th places of steel warehouse 1 total height at the bottom of square cone; First order homogenizing distributing device 4 and second level homogenizing distributing device 5 include circular inner disc 5.1 and annular outer disk 5.2, the base plate outward flange of circular inner disc 5.1 is provided with abrasionproof ring flat-plate 5.3, the support member that is cross arrangement that circular inner disc 5.1 is made by two channel-section steels 5.4 is connected with collet 5.5, this collet is looped around the periphery of circular inner panel 5.1, and the spacing between collet 5.5 and abrasionproof ring flat-plate 5.3 plates is 0.5 times of circular inner disc diameter; The annular bottom plate outward flange of annular outer disk 5.2 is provided with abrasionproof ring flat-plate 5.6, the upper end of this wear strip is connected with the lower end of channel-section steel 5.4, channel-section steel 5.4 is connected with the inwall of steel warehouse 1 at the bottom of square cone, the circular diameter of inner disc 5.1 and the equal diameters of charging aperture 2, annular outer disk 5.2 diameters of its endoporus 5.7 and the equal diameters of charging aperture; Abrasionproof ring flat-plate 5.3 is highly 50mm; Spacing between collet 5.5 and abrasionproof ring flat-plate 5.3 is 0.5 times of circular inner disc diameter; Distance between circular inner disc 5.1 and annular outer disk 5.2 is 0.75 times of circular inner disc 5.1 diameters, and the height of collet 5.6 and collet 5.6 is 50mm, and at the bottom of square cone, the top of steel warehouse 1 is provided with in charging aperture one side the mouth 7 that gathers dust.
Operation principle is: the particle grog getting off from the sorting of V-type powder concentrator and entering in warehouse from the feeding mouth of steel warehouse at the bottom of square cone from the clinker warehouse bulk grog of coming, the particle grog getting off from the sorting of V-type powder concentrator is to sort out from the material of roll squeezer roll extrusion, its granularity is not more than 3mm and accompanies the tiny powdered material that V-type powder concentrator is not selected, and from the clinker warehouse granularity of coming, is the bulk materials of 30mm.In the situation that material level is low, the material that enters storehouse can be trickled down on one-level homogenizing distributing device, on circular inner disc, first pile up the taper stockpile that can play abrasionproof, material is below let go after will impacting on taper stockpile, the material of size particles is mutual fusion when letting go, complete homogenizing for the first time, the material of letting go enters in annular outer disk under the stopping of homogenizing distributing device collet, first material forms the tilted conical stockpile that plays abrasionproof in annular outer disk, follow-up material impact falls to the central bore that gathers annular outer disk after on tilted conical stockpile, the mutual fusion when assembling of the material of size particles, complete homogenizing for the second time.The material falling from the annular outer disk central bore of one-level homogenizing distributing device enters secondary homogenizing distributing device, the same with the homogenization process of one-level homogenizing distributing device, complete homogenizing third and fourth time, finally enter three grades of homogenizing distributing devices, realize the 5th, six homogenizing of material.Height of materials is no more than in the situation of total height 1/4th, homogenizing can be in storehouse, realized six times, in the situation that controlling level is no more than total height 1/2nd, homogenizing can be completed four times, in the situation that controlling level is no more than total height 3/4ths, can also complete homogenizing twice.Normal operating is the position in storehouse operation of 50% left and right, substantially can reach homogenizing four times.Material after abundant homogenizing, the packing of material increases, and the thickness material of mixing enters the roll extrusion region of roll squeezer simultaneously, and roll-in function is balancedly to material extruding, and the material material cake after roll extrusion is closely knit, and qualified fine powder is more, and roller press roll extrusion efficiency improves widely.Roll surface of roller press producing balanced forces, reduces the axial-shift between action roller and fixed roll, and the responsive to axial force of action roller and fixed roll while reducing roll squeezer operation, in the service life of improving bearing and associated components, also avoids the unbalanced wearing and tearing of roll surface simultaneously.
In the homogenization process of material, can produce a large amount of airborne dusts, this part airborne dust is that V-type powder concentrator does not select clean qualified powder, by dust-precipitator, collecting again directly enters in cement grinding mill, reduce the circulation again of qualified powder, the efficiency that improves cement pre-grinding system, the mouth that gathers dust being provided with at warehouse of the present invention top, is connected to cement grinding mill dust-precipitator by pipeline, improve the efficiency of cement pre-grinding system, improve the output of cement grinding mill.Material after roll squeezer roll extrusion enters V-type powder concentrator and selects powder, V-type powder concentrator selects the grinding efficiency of powder generally 70～80%, that is to say, 20～30% qualified powder is not selected in addition, in homogenization process in storehouse, the material of these fine-powdered forms very large airborne dust, on flow stabilizing weighing cabin top, open the mouth that gathers dust and be connected to cement grinding mill dust-precipitator by pipeline, the airborne dust that homogenizing in storehouse can be produced is collected cement grinding mill dust-precipitator and is directly entered in cement grinding mill again, reduce the power consumption of qualified powder secondary rolled, improve grinding efficiency, improve cement grinding mill output simultaneously, reduce the power consumption of cement grinding system.
The present invention throws in and uses in our company, and cement grinding mill output is brought up to 210t/h by 190t/h, and system power consumption is reduced to 30KWh/t by original 35KWh/t, and effect is very obvious.
Claims (5)
1. a flow stabilizing weighing cabin, includes at the bottom of square cone steel warehouse and is contained in the homogenizing distributing device in this warehouse, and at the bottom of described square cone, steel warehouse is provided with charging aperture and discharging opening, it is characterized in that: described homogenizing distributing device has three grades; Described in the first order, homogenizing distributing device is fixed on the position at 3/4ths places of steel warehouse total height at the bottom of described square cone, described in the second level, homogenizing distributing device is fixed on the position at 2/4ths places of steel warehouse total height at the bottom of described square cone, and homogenizing distributing device is fixed on the position at 1/4th places of steel warehouse total height at the bottom of described square cone described in the third level.
2. flow stabilizing weighing cabin according to claim 1, it is characterized in that: described in the first order, described in homogenizing distributing device and the second level, homogenizing distributing device includes circular inner disc and annular outer disk, the base plate outward flange of described circular inner disc is provided with abrasionproof ring flat-plate, described circular inner disc is connected with collet by support member, this collet is looped around the periphery of described circular inner panel, between described collet and described wear strip, is provided with spacing; The annular bottom plate outward flange of described annular outer disk is provided with abrasionproof ring flat-plate, and the upper end of this wear strip is connected with the lower end of described support member, and described support member is connected with the inwall of steel warehouse at the bottom of described square cone.
3. flow stabilizing weighing cabin according to claim 2, is characterized in that: the diameter of described circular inner disc and the equal diameters of described charging aperture, the diameter of described annular its endoporus of outer disk and the equal diameters of described charging aperture; Described wearing ring plate height is 50mm; Spacing between described collet and described abrasionproof ring flat-plate is 0.5 times of described circular inner disc diameter; Distance between described circular inner disc and described annular outer disk is 0.75 times of described circular inner disc diameter, and described collet height is 50mm.
4. flow stabilizing weighing cabin according to claim 1, is characterized in that: at the bottom of described square cone, the top of steel warehouse is provided with in described charging aperture one side the mouth that gathers dust.
5. flow stabilizing weighing cabin according to claim 3, is characterized in that: at the bottom of described square cone, the top of steel warehouse is provided with in described charging aperture one side the mouth that gathers dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310565199.8A CN104028360A (en) | 2013-11-13 | 2013-11-13 | Flow stabilization weighing cabin of roller press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310565199.8A CN104028360A (en) | 2013-11-13 | 2013-11-13 | Flow stabilization weighing cabin of roller press |
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| CN104028360A true CN104028360A (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310565199.8A Pending CN104028360A (en) | 2013-11-13 | 2013-11-13 | Flow stabilization weighing cabin of roller press |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107720008A (en) * | 2017-11-10 | 2018-02-23 | 张家港白熊科美机械有限公司 | Vertical homogenizing bin |
| CN108328953A (en) * | 2018-01-30 | 2018-07-27 | 中建材（合肥）粉体科技装备有限公司 | One kind is worked continuously powdered material homogenizing mixing arrangement |
| CN110575867A (en) * | 2019-08-23 | 2019-12-17 | 中建材（合肥）粉体科技装备有限公司 | Steady flow storehouse of collection material grading and homogenization |
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| CA1183523A (en) * | 1980-12-30 | 1985-03-05 | General Signal Corporation | Level seeking vertex free multilevel decantation draft tube mixer |
| US20090256017A1 (en) * | 2008-04-14 | 2009-10-15 | Firestone Daniyel | Mixing impeller with grinding pegs |
| CN201472919U (en) * | 2009-09-14 | 2010-05-19 | 合肥水泥研究设计院肥西节能设备厂 | Combined type flow stabilizing weighing cabin |
| CN203558366U (en) * | 2013-09-11 | 2014-04-23 | 广西鱼峰水泥股份有限公司 | Flow stabilization weighing cabin of roller press |
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2013
- 2013-11-13 CN CN201310565199.8A patent/CN104028360A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948448A (en) * | 1973-08-18 | 1976-04-06 | Klockner-Humboldt-Deutz Aktiengesellschaft | Method for the fine comminution of solid materials with a rolling mill and comminution device for carrying out the method |
| CA1183523A (en) * | 1980-12-30 | 1985-03-05 | General Signal Corporation | Level seeking vertex free multilevel decantation draft tube mixer |
| US20090256017A1 (en) * | 2008-04-14 | 2009-10-15 | Firestone Daniyel | Mixing impeller with grinding pegs |
| CN201472919U (en) * | 2009-09-14 | 2010-05-19 | 合肥水泥研究设计院肥西节能设备厂 | Combined type flow stabilizing weighing cabin |
| CN203558366U (en) * | 2013-09-11 | 2014-04-23 | 广西鱼峰水泥股份有限公司 | Flow stabilization weighing cabin of roller press |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107720008A (en) * | 2017-11-10 | 2018-02-23 | 张家港白熊科美机械有限公司 | Vertical homogenizing bin |
| CN108328953A (en) * | 2018-01-30 | 2018-07-27 | 中建材（合肥）粉体科技装备有限公司 | One kind is worked continuously powdered material homogenizing mixing arrangement |
| CN110575867A (en) * | 2019-08-23 | 2019-12-17 | 中建材（合肥）粉体科技装备有限公司 | Steady flow storehouse of collection material grading and homogenization |
| CN110575867B (en) * | 2019-08-23 | 2024-04-09 | 中建材（合肥）粉体科技装备有限公司 | Steady flow bin for classifying and homogenizing collected materials |
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Application publication date: 20140910 |