CN202162017U - Cement raw material preparation system for rolling machine - Google Patents

Cement raw material preparation system for rolling machine Download PDF

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Publication number
CN202162017U
CN202162017U CN2011201864686U CN201120186468U CN202162017U CN 202162017 U CN202162017 U CN 202162017U CN 2011201864686 U CN2011201864686 U CN 2011201864686U CN 201120186468 U CN201120186468 U CN 201120186468U CN 202162017 U CN202162017 U CN 202162017U
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CN
China
Prior art keywords
powder
powder concentrator
roll squeezer
wind blade
rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011201864686U
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Chinese (zh)
Inventor
郭建伟
葛中伟
郭翰
孔松涛
孔占霞
刘涛
张志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HENAN ZHONGLONG TECHNOLOGY Co Ltd
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HENAN ZHONGLONG TECHNOLOGY Co Ltd
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Priority to CN2011201864686U priority Critical patent/CN202162017U/en
Application granted granted Critical
Publication of CN202162017U publication Critical patent/CN202162017U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a cement raw material preparation system for a rolling machine. The system consists of a draught fan, a steady-flow constant-weight bin, the rolling machine, a bucket elevator, a first-grade powder concentrator, a powder concentrator and a rotoclone collector. Wherein a rotor in the powder concentrator is arranged vertical to the plane, a vortex-scattering device is arranged in the powder concentrator. A wind-guiding blade of the powder concentrator is airfoil-shaped, and a fine powder discharging opening of the powder concentrator is communicated with a material feeding opening of the rotoclone collector. The cement raw material preparation system has the advantages of high powder concentrating efficiency, small equipment wear, low energy consumption, less floor area and less capital cost.

Description

A kind of roll squeezer cement slurry preparation system
Technical field
The utility model relates to a kind of cement slurry preparation system, a kind of specifically roll squeezer cement slurry preparation system.
Background technology
Cement slurry preparation is an important step of manufacture of cement, in recent years, utilizes the roll squeezer attrition crushing to produce the ore of cement, the raw material preparation system of breaing up, select powder with powder concentrator again in China by promotion and application.
Traditional roll squeezer cement slurry preparation system is as shown in Figure 2: material is sent into V-arrangement powder concentrator 10, and process V-arrangement powder concentrator 10 is broken up, classification; Meal is through current stabilization constant weight storehouse 9, gets into V-arrangement powder concentrator 10 more again after being admitted to roll squeezer 8 roll-ins; Fine powder then gets into the horizontally disposed secondary powder selection device 11 further selected powder of rotor, and qualified afterwards fine powder gets into rotoclone collector 13 through pipeline 12.
But; The rotor of the secondary powder selection device 11 in this system is owing to be horizontally disposed with; Its formation select up and down vertical water horizontal line of powder flow field, make material can not be effectively evenly dispersion and can not being selected for a long time, cause the powder selection device grinding efficiency low; Thereby make powder, dirt, grain internal circulating load in the whole system increase, strengthened system's operating load and equipment attrition; Secondary powder selection device in the legacy system is easy to make thick material to be incorporated in the qualified powder, so thick material will occur burning in sintering process do not pass through, half-cooked situation, have a strong impact on cement quality; And the secondary powder selection device 11 in the legacy system needs to be connected with rotoclone collector 13 through pipeline 12, has increased the floor space of energy consumption and factory building.
The utility model content
The utility model purpose is to be the deficiency that solves the problems of the technologies described above, and a kind of roll squeezer cement slurry preparation system is provided, and it has grinding efficiency height, equipment attrition is little, energy consumption is low, occupation of land is little and capital cost is few advantage.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be: a kind of roll squeezer cement slurry preparation system, comprise air-introduced machine, current stabilization constant weight storehouse, roll squeezer, bucket elevator, one-level powder selection device, powder concentrator and rotoclone collector, and air-introduced machine connects the air inlet of one-level powder selection device and the air outlet of rotoclone collector respectively; The meal discharging opening of one-level powder selection device is connected to the charging aperture in current stabilization constant weight storehouse; The discharging opening in current stabilization constant weight storehouse is connected with the charging aperture of roll squeezer, and the discharging opening of roll squeezer is connected to the charging aperture of one-level powder selection device through bucket elevator, and the fine powder discharging opening of one-level powder selection device is connected with the feeding mouth of powder concentrator; The meal discharge nozzle of powder concentrator is connected with the feeding mouth in current stabilization constant weight storehouse; Be provided with a material distributing cone in the powder concentrator, material distributing cone is the funnel-form of open upper end, is split channel between the housing of material distributing cone and powder concentrator; The feeding mouth of powder concentrator is arranged on the below of material distributing cone; Above material distributing cone, be provided with rotor, the rotating shaft of rotor is perpendicular to horizontal plane, and a week is evenly distributed with wind blade around the shaft; Wind blade is fixedly connected with rotor; Form separating chamber between wind blade and the rotating shaft, be provided with the eddy current that is connected with rotor in the separating chamber and break up device, the upper end of separating chamber is provided with the fine powder discharging opening; The fine powder discharging opening is connected with the feeding mouth of rotoclone collector, and the material distributing cone bottom is provided with the meal discharge nozzle.
Described material distributing cone, the tapering of its latter half is greater than the tapering of the first half.
Described one-level powder selection device is V-arrangement powder concentrator or beater.
Described eddy current is broken up device and is made up of two steel plate welding that are obliquely installed, and the upper end of two steel plates welds together, and links to each other with the connecting ring of wind blade upper end, and the thickness of steel plate is 10mm-30mm.
Described wind blade is an airfoil, and its side is fairshaped cambered surface, and the width of wind blade is 50mm-200mm, and maximum ga(u)ge is 20mm-50mm, and the lower end of wind blade is connected with rotor, and the upper end is connected with connecting ring.
Beneficial effect is: the powder concentrator that the secondary powder selection device of native system adopts, and its rotor vertically is provided with, and the horizontal flow field of formation is spacious; Powder-separating space is big, have the sufficient powder time of selecting, and the rotor that vertically is provided with can make material evenly disperse; Improve the grinding efficiency that selects powder and selected the opaque amount; Thereby reduce solid circulating rate, reduced whole operating load and the equipment attrition of selecting powder system, make system power consumption reduce by 30%; The material distributing cone that is provided with in the powder concentrator can make the material that gets into powder concentrator evenly disperse the laggard separating chamber of going into, and the tapering of the latter half of material distributing cone makes thick material get into the meal discharge nozzle greater than the tapering of the first half with being more prone to, is discharged from powder concentrator; Eddy current in the powder concentrator is broken up device can destroy the whirlpool flow field that indivedual fine powders form in the separating chamber, makes fine powder in selecting the powder flow field normally, to move, and improves grinding efficiency; The wind blade of powder concentrator is an airfoil, and its side is fairshaped cambered surface, can make wind blade in rotary course, produce pressure differential like this, makes to select powder more abundant in the separating chamber, thereby improves grinding efficiency; Powder concentrator and rotoclone collector are close to, and have reduced the pipeline setting in the traditional preparation process system, thereby have reduced occupation of land space and capital cost.
Description of drawings
Fig. 1 is the sketch map of the utility model roll squeezer cement slurry preparation system;
Fig. 2 is the sketch map of conventional roll press cement slurry preparation system;
Fig. 3 is the structural representation of the utility model powder concentrator and rotoclone collector;
Fig. 4 is the set-up mode sketch map of the utility model rotor of powder separator;
Fig. 5 is the schematic top plan view of the utility model rotor of powder separator, wind blade.
Mark among the figure: 1, bucket elevator, 2, roll squeezer, 3, current stabilization constant weight storehouse, 4, the one-level powder selection device, 5, air-introduced machine; 6, rotoclone collector, 7, powder concentrator, 8, roll squeezer, 9, current stabilization constant weight storehouse, 10, the V-arrangement powder concentrator; 11, secondary powder selection device, 12, pipeline, 13, rotoclone collector, 14, the meal discharge nozzle, 15, housing; 16, material distributing cone, 17, wind blade, 18, rotating shaft, 19, rotor, 20, separating chamber; 21, fine powder discharging opening, 22, split channel, 23, feeding mouth, 24, eddy current breaks up device, 25, connecting ring.
The specific embodiment
As shown in the figure; A kind of roll squeezer cement slurry preparation system; Comprise air-introduced machine 5, current stabilization constant weight storehouse 3, roll squeezer 2, bucket elevator 1, one-level powder selection device 4, powder concentrator 7 and rotoclone collector 6; Air-introduced machine 5 connects the air inlet of one-level powder selection device 4 and the air outlet of rotoclone collector 6 respectively, and the meal discharging opening of one-level powder selection device 4 is connected to the charging aperture in current stabilization constant weight storehouse 3, and the discharging opening in current stabilization constant weight storehouse 3 is connected with the charging aperture of roll squeezer 2; The discharging opening of roll squeezer 2 is connected to the charging aperture of one-level powder selection device 4 through bucket elevator 1; The fine powder discharging opening of one-level powder selection device 4 is connected with the feeding mouth 23 of powder concentrator 7, and the meal discharge nozzle 14 of powder concentrator 7 is connected with the feeding mouth in current stabilization constant weight storehouse 3, is provided with a material distributing cone 16 in the powder concentrator 7; Material distributing cone 16 is the funnel-form of open upper end, and material distributing cone 16 is welded on the top of powder concentrator 7 through steel plate; Be split channel 22 between the housing 15 of material distributing cone 16 and powder concentrator 7, the feeding mouth 23 of powder concentrator 7 is arranged on the below of material distributing cone 16, above material distributing cone 16, is provided with rotor 19; The rotating shaft 18 of rotor 19 is perpendicular to horizontal plane; 18 1 weeks were evenly distributed with wind blade 17 around the shaft, and wind blade 17 is fixedly connected with rotor 19, formed separating chamber 20 between wind blade 17 and the rotating shaft 18; Be provided with the eddy current that is connected with rotor 19 in the separating chamber 20 and break up device 24; The upper end of separating chamber 20 is provided with fine powder discharging opening 21, and fine powder discharging opening 21 is connected with the feeding mouth of rotoclone collector 6, and material distributing cone 16 bottoms are provided with meal discharge nozzle 14.Wherein, the tapering of the latter half of material distributing cone 16 is greater than the tapering of its first half, and one-level powder selection device 4 is V-arrangement powder concentrator or beater, selects the better effects if of V-arrangement powder concentrator; Eddy current is broken up device 24 and is made up of two steel plate welding that are obliquely installed, and the thickness of steel plate is 10mm-30mm, and the upper end of two steel plates welds together, and links to each other with the connecting ring 25 of wind blade 17 upper ends, and the lower end of two steel plates then is separately fixed on the rotor 19; Wind blade 17 is an airfoil, and its side is fairshaped cambered surface, and the width of wind blade 17 is 50mm-200mm, and maximum ga(u)ge is 20mm-50mm, and the lower end of wind blade is connected with rotor 19, and the upper end is connected with connecting ring 25; Meal discharge nozzle 14 on the material distributing cone 16 can be provided with 1 or a plurality of, wherein, 1 meal discharge nozzle is set can reduces the blocking volume of powder in split channel 22, makes powder get into separating chamber more easily; A plurality of meal discharge nozzles are set then to be easy to get into material distributing cone 16 inner thick materials and to be discharged from powder concentrator.
The practical implementation step does; Material is sent into current stabilization constant weight storehouse 3, and the material that goes out current stabilization constant weight storehouse 3 gets into roll squeezer 2 attrition crushings, and the material after the extruding is sent in the one-level powder selection device 4 by bucket elevator 1; One-level powder selection device 4 is with the broken material scattering and grading; Send into the feeding mouth 23 of powder concentrator 7 to thin material, send current stabilization constant weight storehouse 3 to underproof coarse fodder back to, make material again through current stabilization constant weight storehouse 3 entering roll squeezers 2 attrition crushing again; The material that gets into powder concentrator 7 is directed in the rectification field in the separating chamber 20 through material distributing cone 16, thus the entering level roomy select the powder flow field; In selecting the powder flow field; Some material particles can form eddy current because of irregular movement in selecting the powder flow field; Break up the motion of device 24 in separating chamber 20 through eddy current, then can destroy these eddy current, make material particles normally in selecting the powder flow field, to move; When the wind blade 17 of airfoil moves, can in separating chamber, form pressure differential in separating chamber, like this can so that material particles select powder more abundant; Afterwards, selected qualified fine powder directly gets into rotoclone collector 6 from the fine powder discharging opening 21 of powder concentrator 7, thereby accomplishes gas, the solid separation, obtains qualified cement slurry powder; Underproof powder then under the effect of gravity, is fallen into material distributing cone 16 inside, is discharged from the powder concentrator 7 through meal discharge nozzle 14 then.

Claims (5)

1. roll squeezer cement slurry preparation system; Comprise air-introduced machine (5), current stabilization constant weight storehouse (3), roll squeezer (2), bucket elevator (1), one-level powder selection device (4), powder concentrator (7) and rotoclone collector (6); Air-introduced machine (5) connects the air inlet of one-level powder selection device (4) and the air outlet of rotoclone collector (6) respectively; The meal discharging opening of one-level powder selection device (4) is connected to the charging aperture in current stabilization constant weight storehouse (3); The discharging opening in current stabilization constant weight storehouse (3) is connected with the charging aperture of roll squeezer (2), and the discharging opening of roll squeezer (2) is connected to the charging aperture of one-level powder selection device (4) through bucket elevator (1), and the fine powder discharging opening of one-level powder selection device (4) is connected with the feeding mouth (23) of powder concentrator (7); The meal discharge nozzle (14) of powder concentrator (7) is connected with the feeding mouth in current stabilization constant weight storehouse (3); It is characterized in that: be provided with a material distributing cone (16) in the powder concentrator (7), material distributing cone (16) is the funnel-form of open upper end, is split channel (22) between the housing (15) of material distributing cone (16) and powder concentrator (7); The feeding mouth (23) of powder concentrator (7) is arranged on the below of material distributing cone (16); Be provided with rotor (19) in the top of material distributing cone (16), the rotating shaft (18) of rotor (19) is perpendicular to horizontal plane, and (18) one weeks were evenly distributed with wind blade (17) around the shaft; Wind blade (17) is fixedly connected with rotor (19); Form separating chamber (20) between wind blade (17) and the rotating shaft (18), be provided with the eddy current that is connected with rotor (19) in the separating chamber (20) and break up device (24), the upper end of separating chamber (20) is provided with fine powder discharging opening (21); Fine powder discharging opening (21) is connected with the feeding mouth of rotoclone collector (6), and material distributing cone (16) bottom is provided with meal discharge nozzle (14).
2. according to the described a kind of roll squeezer cement slurry preparation system of claim 1, it is characterized in that: described material distributing cone (16), the tapering of its latter half is greater than the tapering of the first half.
3. according to the described a kind of roll squeezer cement slurry preparation system of claim 1, it is characterized in that: described one-level powder selection device (4) is V-arrangement powder concentrator or beater.
4. according to the described a kind of roll squeezer cement slurry preparation system of claim 1; It is characterized in that: described eddy current is broken up device (24) and is made up of two steel plate welding that are obliquely installed; The upper end of two steel plates welds together; And link to each other with the connecting ring (25) of wind blade (17) upper end, the thickness of steel plate is 10mm-30mm.
5. according to the described a kind of roll squeezer cement slurry preparation system of claim 1; It is characterized in that: described wind blade (17) is an airfoil; Its side is fairshaped cambered surface, and the width of wind blade (17) is 50mm-200mm, and maximum ga(u)ge is 20mm-50mm; The lower end of wind blade is connected with rotor (19), and the upper end is connected with connecting ring (25).
CN2011201864686U 2011-06-03 2011-06-03 Cement raw material preparation system for rolling machine Expired - Fee Related CN202162017U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201864686U CN202162017U (en) 2011-06-03 2011-06-03 Cement raw material preparation system for rolling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201864686U CN202162017U (en) 2011-06-03 2011-06-03 Cement raw material preparation system for rolling machine

Publications (1)

Publication Number Publication Date
CN202162017U true CN202162017U (en) 2012-03-14

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CN2011201864686U Expired - Fee Related CN202162017U (en) 2011-06-03 2011-06-03 Cement raw material preparation system for rolling machine

Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225397A (en) * 2011-06-03 2011-10-26 河南中隆科技有限责任公司 Cement raw material preparation system for rolling machine
CN103285997A (en) * 2013-05-22 2013-09-11 江苏新业重工股份有限公司 Coarse powder separator
CN104858009A (en) * 2015-05-20 2015-08-26 阿克苏天山多浪水泥有限责任公司 Raw material finish grinding system provided with roller press and finish grinding method
WO2016127865A1 (en) * 2015-02-15 2016-08-18 胡沿东 Ore grinding system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225397A (en) * 2011-06-03 2011-10-26 河南中隆科技有限责任公司 Cement raw material preparation system for rolling machine
CN102225397B (en) * 2011-06-03 2013-04-24 河南中隆科技有限责任公司 Cement raw material preparation system for rolling machine
CN103285997A (en) * 2013-05-22 2013-09-11 江苏新业重工股份有限公司 Coarse powder separator
WO2016127865A1 (en) * 2015-02-15 2016-08-18 胡沿东 Ore grinding system
CN104858009A (en) * 2015-05-20 2015-08-26 阿克苏天山多浪水泥有限责任公司 Raw material finish grinding system provided with roller press and finish grinding method

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120314

Termination date: 20120603