CN205236151U - Preparation system that makes calcium oxide farine that grinds with vertical roller - Google Patents
Preparation system that makes calcium oxide farine that grinds with vertical roller Download PDFInfo
- Publication number
- CN205236151U CN205236151U CN201521045686.2U CN201521045686U CN205236151U CN 205236151 U CN205236151 U CN 205236151U CN 201521045686 U CN201521045686 U CN 201521045686U CN 205236151 U CN205236151 U CN 205236151U
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- China
- Prior art keywords
- vertical roller
- roller grinder
- calcium oxide
- bucket elevator
- return
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Abstract
The utility model belongs to the technical field of the preparation of calcium oxide farine, especially, relate to a preparation system that makes calcium oxide farine that grinds with vertical roller, including bucket elevator, bucket elevator links to each other with lock wind feeding machine, lock wind feeding machine grinds with vertical roller and links to each other, the export links the dust collector on the vertical roller mill, the export is continuous with the return conveyer down, return conveyer export and bucket elevator's access connection, the dust collector is the tripper even, link the fan on the dust collector, fan export links to each other with vertical roller head of mill portion, establish the fan regulation valve between dust collector and the fan, between grinding, fan export and vertical roller establish the governing valve of airing exhaust in proper order, return air governing valve and cold wind governing valve, the de -ironing separator is established to the return conveyer top, establishes the tee bend subassembly between return conveyer and the bucket elevator, and control flap is established to tee bend subassembly and return conveyer export, bucket elevator import and waste residue export intercommunication in the tee bend subassembly, the utility model discloses ability effective control vertical roller crocus abrasive material layer, governing system operating temperature, improvement finished product purity.
Description
Technical field
The utility model belongs to the preparing technical field of calcium oxide fine powder, relates in particular to a kind of with vertical roller grinder making oxidationThe preparation system of calcium fine powder.
Background technology
Calcium oxide is widely used in the industries such as building materials, metallurgy, medicine, papermaking, food, chemical industry, water purification, special at someIndustry field, as thinner to the granularity requirements of lime stone in chemical industry, building materials etc., need carry out to calcium oxide the processing such as fine grinding. TraditionalWhat grinding system used is open pipe-line system or closed pipe-line system, and does not have control valve, grinding systemSystem temperature reaches after stable state, and system temperature can not regulate, but that calcium oxide has softening point temperature is low, and the characteristic that viscosity is large, when beingWhen system air themperature is inappropriate, cannot regulate, very easily produce sticky stifled phenomenon, cause system ventilation not smooth, until notCan normally work. In the revert system of tradition grinding system, returning charge is directly to return bucket elevator by return conveyer, againEnter mill, and in calcium oxide raw material, usually contain the impurity such as stone and the cinder of burning of much not grilling thoroughly, these impurity dopingIn returning charge, the grinding that circulates in system, sneaks into finished product, affects finish fineness and purity. Traditional grinding machine is being prepared calcium oxideWhen fine powder, between the grinding roller of vertical roller grinder, holding pad is not installed, the vertical roller grinder of holding pad is not installed at grinding proportion between grinding rollerWhen light calcium oxide fine powder, because calcium oxide fine powder has good mobility, fine powder is floating on mill, is difficult for forming materialLayer, powder process fineness is inadequate, or grinding efficiency is extremely low.
Summary of the invention
The purpose of this utility model is to solve in existing calcium oxide fine powder manufacturing technology that the calcium oxide bed of material is unstable, systemThe bad control of operating temperature, the not high problem of calcium oxide finished goods purity that grinding obtains, and the one providing can effectively be controlledThe one of the vertical roller grinder grinding bed of material, regulating system operating temperature, raising finished product purity is made calcium oxide fine powder with vertical roller grinderPreparation system.
The technical scheme that the utility model adopts is:
A preparation system of making calcium oxide fine powder of vertical roller grinder, comprises bucket elevator, airlock feeding machine, verticalRoller mill, return conveyer, dust-precipitator, discharger, blower fan, described bucket elevator discharging opening and the spout phase of airlock feeding machineConnect, the discharging opening of described airlock feeding machine is connected with the charging aperture of vertical roller grinder, and described vertical roller grinder upper end outlet is passed throughPipeline is connected with dust-precipitator, and vertical roller grinder lower end slag-drip opening is connected with the charging aperture of return conveyer, the going out of described return conveyerMaterial mouthful is connected with the charging aperture of bucket elevator again, and described dust-precipitator feed opening is connected with discharger, and dust-precipitator air outlet is logicalPiping is connected with blower fan, and the air outlet of described blower fan is connected with vertical roller grinder air inlet, before described dust-precipitator and blower fanBetween end, be also provided with Fan Regulation valve, between described fan outlet place and vertical roller grinder, be disposed with air draft and regulateValve, return air control valve and cold air adjusting valve; Described return conveyer top is provided with tramp iron separator, described return conveyer and bucket typeBetween elevator, be also provided with three-way component, described three-way component is respectively with the discharging opening of return conveyer, bucket elevatorThe discharging opening of charging aperture and waste residue is connected, and is provided with a by-pass valve control in described three-way component.
Described vertical roller grinder comprises grinding machine base, host shell, main motor, main gear reducer, is connected with main gear reducerMill, be arranged on mill the multiple grinding rollers and the pressurized cylinder device that rotate corresponding thereto, coaxially install on host shell topThere is powder concentrator, at host shell sidewall, conveying worm and feed hopper are installed, described host shell, main gear reducer, pressurized cylinderDevice is installed on grinding machine base, wherein, between adjacent two grinding rollers, holding pad is installed.
Described dust-precipitator is bag filter.
Described discharger is the star-like wind discharger that closes.
A processing method of making calcium oxide fine powder of vertical roller grinder, comprises the following steps:
Step 1), calcium oxide raw material is promoted to airlock feeding machine by bucket elevator, airlock feeding machine is even by raw materialThe charging aperture of feeding vertical roller grinder;
Step 2), vertical roller grinder carries out grinding to raw material, the material after grinding divides two-way;
Step 3), a road are transported to bag filter as calcium oxide finished goods fine powder and receive under the effect of blower fanCollection, the finished product of collection is discharged through the star-like wind discharger that closes;
The compound of step 4), the block raw material of another route and hard impurity composition is discharged vertical roller grinder and is formed returning charge, warpReturn conveyer is delivered to three-way component, returns to bucket elevator or discharges as waste residue;
Step 5), bag filter hot blast is out through Fan Regulation valve regulation, and a part is from being arranged on fan outletAir draft control valve be discharged in atmosphere, another part returns to vertical roller grinder by return air control valve pipeline is installed, and is arranged on backCold air adjusting valve between wind control valve and vertical roller grinder is used for regulating the amount of the cold air that enters vertical roller grinder.
Air draft control valve, return air control valve and cold air adjusting valve in described step 5) are used for controlling vertical roller grinder in workMake temperature in process lower than 60 DEG C.
The beneficial effects of the utility model are:
1. because this system has return air control valve and cold air adjusting valve, control whole system by the adjusting to the twoThe temperature of stable operation, guarantees under temperature in the vertical roller grinder softening point temperature in calcium oxide fine powder, thereby avoids stickyThe generation of stifled phenomenon, makes system run all right reliable;
2. owing to being provided with three-way component between return conveyer and bucket elevator, can pass through to regulate in three-way componentThe valve of portion makes returning charge enter bucket elevator or discharges as waste residue, and the purity that can make finished product is according to impurity contentDifferent raisings 20%;
3. owing to being provided with holding pad between adjacent two grinding rollers of vertical roller grinder, solved calcium oxide fine powder because flowingProperty large and be difficult for maybe can not forming the problem of the bed of material, stopped the main frame vibration that causes because of bed of material problem, output is improved20%。
Brief description of the drawings
A kind of structural representation of making the preparation system of calcium oxide fine powder of vertical roller grinder that Fig. 1 provides for the utility modelFigure.
Fig. 2 is a kind ofly showing with the technological process that vertical roller grinder is made calcium oxide fine powder processing method that the utility model providesIntention.
In figure: 1, bucket elevator; 2, airlock feeding machine; 3, vertical roller grinder; 4, bag filter; 5, Fan Regulation valve;6, star-like discharger; 7, blower fan; 8, air draft control valve; 9, return air control valve; 10, cold air adjusting valve; 11, return conveyer; 12, removeIronware; 13, three-way component.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Make a preparation system for calcium oxide fine powder of vertical roller grinder, comprise bucket elevator 1, airlock feeding machine 2, verticalFormula roller mill 3, return conveyer 11, bag filter 4, star-like discharger 6, blower fan 7, bucket elevator 1 discharging opening and lock feedingThe spout of machine 2 is connected, and the discharging opening of airlock feeding machine 2 is connected with the charging aperture of vertical roller grinder 3, vertical roller grinder 3 upper end outletsBe connected with bag filter 4 by pipeline, vertical roller grinder 3 lower end slag-drip openings are connected with the charging aperture of return conveyer 11, returning charge skinDischarging opening with 11 is connected with the charging aperture of bucket elevator 1 again, and bag filter 4 feed openings are connected with the star-like wind discharger that closes6, bag filter 4 air outlets are connected with blower fan 7 by pipeline, and the air outlet of blower fan 7 is connected with vertical roller grinder 3 air inlets, bagBetween formula dust-precipitator 4 and blower fan 7 front ends, be also provided with Fan Regulation valve 5, between blower fan 7 air outlet places and vertical roller grinder 3 successivelyBe provided with air draft control valve 8, return air control valve 9 and cold air adjusting valve 10, because this system has return air control valve 9 and cold wind tuneJoint valve 10, by the adjusting of the two being controlled to the temperature of whole system stable operation, guarantee temperature in vertical roller grinder 3 inUnder the softening point temperature of calcium oxide fine powder, thereby avoid sticky generation of blocking up phenomenon, make system run all right reliable; Return conveyer11 tops are provided with tramp iron separator 12, are also provided with three-way component 13, three-way component 13 between return conveyer 11 and bucket elevator 1Be connected with discharging opening, the charging aperture of bucket elevator 1 and the discharging opening of waste residue of return conveyer 11 respectively, in three-way component 13Be provided with a by-pass valve control, this by-pass valve control is positioned at the crossing of three-way component inside, according to the quality of returning charge, judgesReturning charge enters bucket elevator 1 or discharges as waste residue, can make the purity of finished product improve according to the difference of impurity content20%; The vertical roller grinder 1 of using in the present invention for publication number be the patented product in CN203678452U, wherein, vertical roller grinder1 comprise grinding machine base, host shell, main motor, main gear reducer, the mill being connected with main gear reducer, be arranged on mill and itMultiple grinding rollers and pressurized cylinder device, be coaxially installed with powder concentrator on host shell top in relative rotation, on main case sideWall is provided with conveying worm and feed hopper, and host shell, main gear reducer, pressurized cylinder device are installed on grinding machine base, itsIn, between adjacent two grinding rollers, holding pad is installed, due to the existence of this holding pad, avoid the material on mill to be centrifuged powerThrow away very soon mill, be conducive to stablize the bed of material, solved calcium oxide fine powder and be difficult for greatly maybe can not forming the bed of material because of mobilityProblem, the main frame of having stopped to cause because of bed of material problem vibrates, and makes output improve 20%.
A processing method of making calcium oxide fine powder of vertical roller grinder, comprises the following steps:
Step 1), calcium oxide raw material is promoted to airlock feeding machine 2 by bucket elevator 1, airlock feeding machine 2 is equal by raw materialThe charging aperture of even feeding vertical roller grinder 3;
Step 2), vertical roller grinder 3 carries out grinding to raw material, the material after grinding divides two-way; Due to what use hereVertical roller grinder 3 for publication number be the patented product in CN203678452U, owing between adjacent two grinding rollers, pressure being installedFlitch, due to the existence of this holding pad, avoids material on mill to be centrifuged power and throws away very soon mill, is conducive to stablize the bed of material,Solve calcium oxide fine powder and be difficult for maybe can not forming greatly the problem of the bed of material because of mobility, stopped to cause because of bed of material problemMain frame vibration, makes output improve 20%;
Step 3), a road are transported to bag filter 4 and receive under the effect of blower fan 7 as calcium oxide finished goods fine powderCollection, the finished product of collection is discharged through the star-like wind discharger 6 that closes;
The compound of step 4), the block raw material of another route and hard impurity composition is discharged vertical roller grinder 3 and is formed returning charge, warpReturn conveyer 11 is delivered to three-way component 13, returns to bucket elevator 1 or discharges as waste residue; Because three-way component canDirectly block raw material and hard impurity are discharged, not only alleviated the work load of vertical roller grinder 3, and the purity of finished product is carriedHigh by 20%;
Step 5), bag filter 4 hot blast out regulate through Fan Regulation valve 5, and a part exports from being arranged on blower fan 7The air draft control valve 8 at place is discharged in atmosphere, and another part returns to vertical roller grinder 3 by return air control valve 9 pipelines are installed, and arrangesCold air adjusting valve 10 between return air control valve 9 and vertical roller grinder 1 is used for regulating the amount of the cold air that enters vertical roller grinder 3,Wherein, air draft control valve 8, return air control valve 9 and cold air adjusting valve 10 are used for controlling vertical roller grinder 3 temperature in the course of the workLower than 60 DEG C, guarantee under temperature in the vertical roller grinder softening point temperature in calcium oxide fine powder, thereby avoid sticky stifled phenomenonGeneration, make system run all right reliable.
Claims (4)
1. a preparation system of making calcium oxide fine powder of vertical roller grinder, comprises bucket elevator, airlock feeding machine, vertical rollsMill, return conveyer, dust-precipitator, discharger, blower fan, described bucket elevator discharging opening and the spout phase of airlock feeding machineConnect, the discharging opening of described airlock feeding machine is connected with the charging aperture of vertical roller grinder, and described vertical roller grinder upper end outlet is passed throughPipeline is connected with dust-precipitator, and vertical roller grinder lower end slag-drip opening is connected with the charging aperture of return conveyer, the going out of described return conveyerMaterial mouthful is connected with the charging aperture of bucket elevator again, and described dust-precipitator feed opening is connected with discharger, and dust-precipitator air outlet is logicalPiping is connected with blower fan, and the air outlet of described blower fan is connected with vertical roller grinder air inlet, it is characterized in that: described gathers dustBetween device and blower fan front end, be also provided with Fan Regulation valve, between described fan outlet place and vertical roller grinder, be disposed withAir draft control valve, return air control valve and cold air adjusting valve; Described return conveyer top is provided with tramp iron separator, described returning charge skinBetween band and bucket elevator, be also provided with three-way component, described three-way component respectively with discharging opening, the bucket type of return conveyerThe charging aperture of elevator and the discharging opening of waste residue are connected, and are provided with a by-pass valve control in described three-way component.
2. the preparation system of making calcium oxide fine powder of vertical roller grinder according to claim 1, is characterized in that: describedVertical roller grinder comprises grinding machine base, host shell, main motor, main gear reducer, the mill being connected with main gear reducer, is arranged on millOn corresponding thereto rotate multiple grinding rollers and pressurized cylinder device, be coaxially installed with powder concentrator on host shell top, at main frameHousing sidewall is provided with conveying worm and feed hopper, and described host shell, main gear reducer, pressurized cylinder device are installed in grinding machineOn base, wherein, between adjacent two grinding rollers, holding pad is installed.
3. the preparation system of making calcium oxide fine powder of vertical roller grinder according to claim 1, is characterized in that: describedDust-precipitator is bag filter.
4. the preparation system of making calcium oxide fine powder of vertical roller grinder according to claim 1, is characterized in that: describedDischarger is the star-like wind discharger that closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521045686.2U CN205236151U (en) | 2015-12-16 | 2015-12-16 | Preparation system that makes calcium oxide farine that grinds with vertical roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521045686.2U CN205236151U (en) | 2015-12-16 | 2015-12-16 | Preparation system that makes calcium oxide farine that grinds with vertical roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205236151U true CN205236151U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521045686.2U Withdrawn - After Issue CN205236151U (en) | 2015-12-16 | 2015-12-16 | Preparation system that makes calcium oxide farine that grinds with vertical roller |
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| CN (1) | CN205236151U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435947A (en) * | 2015-12-16 | 2016-03-30 | 河南黎明重工科技股份有限公司 | System for preparing calcium oxide fine powder by using vertical roller mill and processing method |
| CN106000616A (en) * | 2016-06-30 | 2016-10-12 | 湖州丰盛新材料有限公司 | Hot air circulation type powder selecting device |
| CN106244443A (en) * | 2016-08-05 | 2016-12-21 | 广西力源宝科技有限公司 | Fermentation automatic batching system |
| CN106242676A (en) * | 2016-08-31 | 2016-12-21 | 广西力源宝科技有限公司 | Fermentation automatic blending promotes system and dispensing method for improving |
| CN107051689A (en) * | 2017-01-16 | 2017-08-18 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of lime stone dry grinding prepares arrangement |
| CN109433334A (en) * | 2018-11-30 | 2019-03-08 | 湖南超科机械有限公司 | Powder depolymerizer |
| CN112058408A (en) * | 2020-07-30 | 2020-12-11 | 河南黎明重工科技股份有限公司 | Pressure balancing device for vertical roller mill |
-
2015
- 2015-12-16 CN CN201521045686.2U patent/CN205236151U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435947A (en) * | 2015-12-16 | 2016-03-30 | 河南黎明重工科技股份有限公司 | System for preparing calcium oxide fine powder by using vertical roller mill and processing method |
| CN106000616A (en) * | 2016-06-30 | 2016-10-12 | 湖州丰盛新材料有限公司 | Hot air circulation type powder selecting device |
| CN106244443A (en) * | 2016-08-05 | 2016-12-21 | 广西力源宝科技有限公司 | Fermentation automatic batching system |
| CN106242676A (en) * | 2016-08-31 | 2016-12-21 | 广西力源宝科技有限公司 | Fermentation automatic blending promotes system and dispensing method for improving |
| CN107051689A (en) * | 2017-01-16 | 2017-08-18 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of lime stone dry grinding prepares arrangement |
| CN109433334A (en) * | 2018-11-30 | 2019-03-08 | 湖南超科机械有限公司 | Powder depolymerizer |
| CN112058408A (en) * | 2020-07-30 | 2020-12-11 | 河南黎明重工科技股份有限公司 | Pressure balancing device for vertical roller mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160518 Effective date of abandoning: 20181113 |
|
| AV01 | Patent right actively abandoned |