CN105536924B - Be milled dry integrated machine and pulverized coal preparation system - Google Patents
Be milled dry integrated machine and pulverized coal preparation system Download PDFInfo
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- CN105536924B CN105536924B CN201610028157.4A CN201610028157A CN105536924B CN 105536924 B CN105536924 B CN 105536924B CN 201610028157 A CN201610028157 A CN 201610028157A CN 105536924 B CN105536924 B CN 105536924B
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- milling
- hothouse
- air
- integrated machine
- grinding roller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/28—Passing gas through crushing or disintegrating zone gas moving means being integral with, or attached to, crushing or disintegrating element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/40—Detachers, e.g. scrapers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crushing And Grinding (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses milling dry integrated machine and pulverized coal preparation system.Milling dry integrated machine includes：Feeder；Be milled hothouse, and milling hothouse connects with feeder；Grinding roller, grinding roller are arranged in milling hothouse, and positioned at the lower section of milling hothouse and the connected entrance of feeder；Air-heater, air-heater connect with milling hothouse, and for the heat air delivery into milling hothouse, and the connected entrance of air-heater and milling hothouse is located at the lower section of grinding roller；Material is delivered in milling hothouse by feeder, and grinding roller carries out obtaining whisker after friction is broken to material, and whisker is dried to milling hothouse input hot blast for air-heater.The milling dry integrated machine of the present invention can be milled and is dried simultaneously to material, production efficiency height, it is necessary to operating personnel it is few, reduce production cost, and equipment volume is small, floor space is few, has saved hall space.
Description
Technical field
The present invention relates to the technical field that material prepares equipment, and be espespecially milled dry integrated machine and pulverized coal preparation system.
Background technology
In the production process of nonmetallic new material, generally require block gypsum crystal whisker of gypsum is made, then gypsum is brilliant
It must be applied in mixing new material production.In existing process, usually first pass through powder manufacturing apparatus and powdery is made in block gypsum
Whisker, whisker is then dried by drying equipment again, powder manufacturing apparatus and drying equipment are set respectively, and floor space is big, and operation is multiple
It is miscellaneous, and pulverizing process and drying process are carried out respectively, it is therefore desirable to several staff control respectively, and which results in production efficiency
It is low, the problem of production cost is high.
Therefore, the applicant is directed to providing a kind of milling dry integrated machine and a kind of pulverized coal preparation system, and be milled drying integrated
Machine can reduce the floor space of equipment, while optimize production process, reduce the number of operating personnel, further lifting production effect
Rate, reduce production cost.
The content of the invention
It is an object of the invention to provide a kind of one kind milling dry integrated machine and pulverized coal preparation system, milling dry integrated machine can be with
Reduce the floor space of equipment, while optimize production process, reduce the number of operating personnel, further improving production efficiency, drop
Low production cost.
In order to solve the above technical problems, the invention provides one kind milling dry integrated machine, including：Feeder；Milling is dry
Dry room, the milling hothouse connect with the feeder；Grinding roller, the grinding roller is arranged in the milling hothouse, and position
In the lower section of the milling hothouse and the connected entrance of the feeder；Air-heater, the air-heater and the milling hothouse
Connection, for the heat air delivery into the milling hothouse, and the connected entrance of the air-heater and the milling hothouse is located at
The lower section of the grinding roller；Material is delivered in the milling hothouse by the feeder, and the grinding roller rubs to material
Whisker is obtained after broken, whisker is dried to the milling hothouse input hot blast for the air-heater.
Material is delivered in milling hothouse by the milling drying machine of the present invention by feeder, the mill being milled in hothouse
Roller carries out milling to material and handles to obtain whisker, while air-heater inputs hot blast into milling hothouse, and hot blast is carried out to whisker
Heat drying, so as to obtain dry whisker.The milling dry integrated machine of the present invention can be milled and done simultaneously to material
It is dry, production efficiency it is high, it is necessary to operating personnel it is few, reduce production cost, and equipment volume is small, floor space is few, saves
Hall space.
Preferably, the milling dry integrated machine also includes：Agitator, the agitator are arranged on the milling hothouse
It is interior, and positioned at the lower section of the grinding roller, the agitator is used to stir whisker.
Agitator can drive the air-flow that rotation at a high speed is produced into the hot-air in milling hothouse, and then under grinding roller
Stable fluidized-bed layer is formed in the milling hothouse of side, it is locally viscous stifled to avoid material；Secondly agitator is arranged under grinding roller
Side, grinding roller are ceaselessly crumpled during high speed rotates to lump material, and material is rubbed with the hands the powder crystalline substance for being broken into threadiness
Must, so as to increase the surface area of material, the mass heat transfer of material is enhanced, then constantly stir by agitator so that thing
The drying efficiency of material is effectively improved.
Preferably, the milling dry integrated machine also includes：Scraper plate, the scraper plate is arranged on the agitator, described
Scraper plate is used to clear up the material being bonded on the milling hothouse.
Material further refines in the presence of agitator, while is thrown to the madial wall of milling hothouse again, and is bonded at
On wall, if will be bonded at not in time under the material scraper in side wall, the serious phenomenon that scabs occurs, causes the drying integrated that is milled
Machine can not run well, installation scraper plate can in time peel adhesion milling drying chamber interior walls on material.
Preferably, the milling dry integrated machine also includes：One cone structure, the cone structure are arranged on the milling
In hothouse, and positioned at the lower section of the grinding roller, and the first end of the cone structure is fixed on the milling hothouse
Bottom, its second end are used to install the agitator, and the volume of the cone structure is gradual from first end to the second end
Diminish.
The setting of cone structure makes actual internal area of the hot blast in milling hothouse constantly become big, bottom gas from bottom to top
Speed is relatively large, and top gas velocity is relatively small, while so as to ensure that the bulky grain whisker of bottom is in fluidized state, top
Little particle whisker be also at fluidized state；And agitator is arranged on cone structure, the peace of agitator can also be shortened
The length of arm section is filled, so as to add agitator maintainability；It can in addition contain which the bearing for connecting agitator is set
In cone structure, so as to avoid bearing from being worked for a long time in high-temperature region, effectively extend the service life of bearing.
Preferably, the milling dry integrated machine also includes：One scroll casing type air distributor, the scroll casing type air distribution
The import of device connects with the air-heater, its export with it is described milling hothouse connects, and the scroll casing type air distributor and
The connected entrance of the milling hothouse is located at the lower section of the grinding roller.
Hot-air tangentially enters scroll casing type air sparger, and uniformly across the inside annular space of scroll casing type air sparger
Twist rise, it is dry that the material that rational annular space wind speed has been effectively ensured in milling hothouse can successfully carry out fluidisation
It is dry.
Preferably, the milling dry integrated machine also includes：One ring-shaped baffle, the ring-shaped baffle are arranged on the milling
In hothouse, and positioned at the lower section of the grinding roller, for stopping the whisker do not dried fully.
Whisker is carried secretly in milling hothouse with swirling eddy to be risen, because by centrifugal action, particle is larger not to be reached
To desired (i.e. water content is larger) whisker by centrifugal action, its radius of turn is larger, when its radius of turn is more than ring-type
During the radius of the great circle of baffle plate, blocked by ring-shaped baffle and crushing is further dried, until meeting to require to overflow just now, particle
Less whisker is carried secretly with air-flow after the drying to be risen, because its particle diameter is smaller and reaches moisture content requirement (i.e. water content is smaller),
Centrifugal force is relatively small, and its radius of turn is less than the radius of the roundlet of ring-shaped baffle, then just discharges with air-flow, is subsequently located
Reason.
Preferably, there is gap between the madial wall of the side of the grinding roller and the milling hothouse, the grinding roller
Side is the grinding roller close to the surface of the madial wall of the milling hothouse.
The friction that the setting in gap can avoid grinding roller between the madial wall of hothouse that is milled.
Preferably, the milling dry integrated machine also includes：Cooling jacket, it is dry that the cooling jacket is arranged on the milling
In the side wall of dry room, and around the connected entrance of the air-heater and the milling hothouse.
Hot blast start with material contact position, temperature is very high, normally close to the temperature of hot-air, significantly larger than in fluidized bed layer
Temperature, the phenomenon that material bonds at connected entrance of the air-heater with milling hothouse can be gone out in operation, the residence time is long, so as to
Cause material deterioration, or even produce thawing, to avoid this phenomenon, set at the connected entrance in air-heater with milling hothouse
Cooling jacket, the temperature of wall at this can be reduced, be smoothed out the drying process of material.
Preferably, the milling dry integrated machine also includes：Feed driver, the charging driver and the feeder
Connection；Be milled driver, and the milling driver is connected with the grinding roller；Hot blast driver, the hot blast driver with it is described
Air-heater connects；Temperature inductor, the temperature inductor are arranged in the milling hothouse；Pressure inductor, the pressure
Power inductor is arranged in the milling hothouse；And electric-control system, the electric-control system control the connection charging respectively
Driver, milling driver, the hot blast driver, the temperature inductor and the pressure inductor.
By setting electric-control system, the Automated condtrol of milling dry integrated machine can be effectively realized.
The invention also discloses a kind of pulverized coal preparation system, including：Above-mentioned milling dry integrated machine；Wind tower, the wind tower are set
Connected above the milling dry integrated machine, and with the milling hothouse；Separator, the separator connect with the wind tower
Logical, the separator is used to separate whisker and impurity；Deduster, the deduster are used to obtain cleaning sky after absorbing the impurity
Gas；And chimney, the chimney connects with the deduster, for discharging clean air；
The milling dry integrated machine is milled and dried to the material, obtains dry whisker, the whisker warp
The wind tower enters the separator, and the separator separates the whisker and the impurity, and then, the deduster absorbs
The impurity, and clean air is obtained, finally, the clean air is discharged the pulverized coal preparation system by the chimney.
The pulverized coal preparation system of the present invention is done by being milled in dry integrated machine while completing milling and the drying of material
Dry whisker, dry whisker filter out the impurity in whisker by separator, remove deimpurity whisker in the bottom of separator
Exit, which is packaged, to wire up, and impurity enters in deduster under the drive of air-flow, is cleaned by the cleaning of deduster
Air, then again through smoke stack emission clean air.The pulverized coal preparation system connection and reasonable arrangement of the present invention, and equipment is simplified, can be effectively complete
Into the pulverizing process of material, the whisker of dry free from admixture is obtained, while air pollution will not be produced again, meets environmental requirement.
In summary, milling dry integrated machine of the invention and pulverized coal preparation system can realize following beneficial effect：
1st, milling dry integrated machine of the invention can be milled and is dried simultaneously to material, production efficiency height, it is necessary to
Operating personnel it is few, reduce production cost, and equipment volume is small, floor space is few, has saved hall space.
2nd, the hot-air that milling dry integrated machine of the invention is entered in milling hothouse by setting agitator to drive produces
The air-flow of raw rotation at a high speed, and then stable fluidized-bed layer is formed in the milling hothouse below grinding roller, avoid material office
Portion is viscous stifled；Secondly agitator is arranged on below grinding roller, grinding roller is ceaselessly carried out during high speed rotates to lump material
Rubbing, material is broken into the powder whisker of threadiness by rubbing with the hands, and so as to increase the surface area of material, the matter heat for enhancing material is handed over
Change, then the stirring by agitator, so that the drying efficiency of material is effectively improved.
3rd, milling dry integrated machine of the invention on agitator by setting scraper plate peel adhesion can be milled in time
The material in chamber interior walls is dried, material is effectively prevent and is bonded on wall, the phenomenon that scabs occur, it is dry so as to which milling be effectively ensured
Dry all-in-one can run well.
4th, milling dry integrated machine of the invention cuts circulation of the hot blast in milling hothouse by setting cone structure
Area constantly becomes big from bottom to top, ensure that the bulky grain whisker of bottom and the little particle whisker on top can be in fluidisation simultaneously
State；Also, the bearing that connect agitator can also be arranged in cone structure, so as to effectively extend the use longevity of bearing
Life；In addition, cone structure also shortens the length of the installation cantilever part of agitator, so as to add the reliable of agitator operating
Property.
5th, milling dry integrated machine of the invention connects air-heater and milling hothouse by a scroll casing type air sparger,
Hot-air tangentially enters scroll casing type air sparger, and uniformly across scroll casing type air sparger inside annular space twist
Rise, the material that rational annular space wind speed has been effectively ensured in milling hothouse can successfully carry out fluidized drying.
6th, milling dry integrated machine of the invention includes a ring-shaped baffle, and the less whisker of water content, radius of turn is small, can
With by ring-shaped baffle, and the whisker that water content is more, radius of turn are big, it is impossible to by ring-shaped baffle, due to ring-shaped baffle
Grading, the whisker for effectively avoiding not dried fully are entered under the drive of air-flow in follow-up program, so as to have
Effect ensures that whisker can be dried fully.
7th, milling dry integrated machine of the invention includes a cooling jacket, and cooling jacket can effectively reduce air-heater and mill
Temperature at the connected entrance of powder hothouse, avoid material from being bonded at connected entrance, further avoid the rotten of material, or even melt
Change, so that the drying process of material is smooth.
8th, pulverized coal preparation system of the invention is obtained by being milled in dry integrated machine while completing milling and the drying of material
Dry whisker, dry whisker are packed after filtering out impurity by separator, and deduster further goes the removal of impurity, then passes through
Smoke stack emission clean air.The pulverized coal preparation system connection and reasonable arrangement of the present invention, and equipment is simplified, and can efficiently accomplish the powder mistake processed of material
Journey, the whisker of dry free from admixture is obtained, while air pollution will not be produced again, meet environmental requirement.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the structural representation of the embodiment eight of present invention milling dry integrated machine；
Fig. 2 is the partial perspective structural representation of the embodiment eight of present invention milling dry integrated machine；
Fig. 3 is the local disassemblying structure schematic diagram of the embodiment eight of present invention milling dry integrated machine；
Fig. 4 is the sectional view of the embodiment eight of present invention milling dry integrated machine；
Fig. 5 is the structural representation of the specific embodiment of pulverized coal preparation system of the present invention.
Drawing reference numeral explanation：
Be milled dry integrated machine 10, feeder 11, and be milled hothouse 12, grinding roller 13, air-heater 14, agitator 15, cone
Structure 16, scroll casing type air distributor 17, wind tower 20, separator 30, deduster 40, chimney 50.
Embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Embodiment one
Embodiment one discloses a kind of milling dry integrated machine, including：Feeder；Be milled hothouse, milling hothouse with
The feeder connection；Grinding roller, grinding roller are arranged in milling hothouse, and positioned at the connected entrance of milling hothouse and feeder
Lower section；Air-heater, air-heater connects with milling hothouse, for heat air delivery, and air-heater and milling into the hothouse that is milled
The connected entrance of hothouse is located at the lower section of the grinding roller.
In use, material is delivered in milling hothouse by feeder, grinding roller material is carried out friction it is broken after
Whisker is obtained, whisker is dried air-heater input hot blast into milling hothouse.
Embodiment two
The difference of embodiment two and embodiment one is that the milling dry integrated machine in embodiment two also includes stirring
Device, agitator are arranged in milling hothouse, and positioned at the lower section of grinding roller, agitator is used to stir whisker.
Agitator can drive the air-flow that rotation at a high speed is produced into the hot-air in milling hothouse, and then under grinding roller
Stable fluidized-bed layer is formed in the milling hothouse of side, it is locally viscous stifled to avoid material；Secondly agitator is arranged under grinding roller
Side, grinding roller are ceaselessly crumpled during high speed rotates to lump material, and material is rubbed with the hands the powder crystalline substance for being broken into threadiness
Must, so as to increase the surface area of material, the mass heat transfer of material is enhanced, then constantly stir by agitator so that thing
The drying efficiency of material is effectively improved.
Specifically, the milling dry integrated machine in the present embodiment also includes scraper plate, scraper plate is arranged on agitator, and scraper plate is used
The material on milling hothouse is bonded in cleaning.
Material further refines in the presence of agitator, while is thrown to the madial wall of milling hothouse again, and is bonded at
On wall, if will be bonded at not in time under the material scraper in side wall, the serious phenomenon that scabs occurs, causes the drying integrated that is milled
Machine can not run well, installation scraper plate can in time peel adhesion milling drying chamber interior walls on material.
Embodiment three
The difference of embodiment three and embodiment two is that the milling dry integrated machine in embodiment three also includes cone
Structure, cone structure are arranged in milling hothouse, and positioned at the lower section of grinding roller, and the first end of cone structure is fixed on mill
The bottom of powder hothouse, its second end are used to install agitator, the volume of cone structure from first end to the second end by
Gradual change is small.
The setting of cone structure makes actual internal area of the hot blast in milling hothouse constantly become big, bottom gas from bottom to top
Speed is relatively large, and top gas velocity is relatively small, while so as to ensure that the bulky grain whisker of bottom is in fluidized state, top
Little particle whisker be also at fluidized state；And agitator is arranged on cone structure, the peace of agitator can also be shortened
The length of arm section is filled, so as to add agitator maintainability；It can in addition contain which the bearing for connecting agitator is set
In cone structure, bearing is avoided to be worked for a long time in high-temperature region, so as to effectively extend the service life of bearing.
Example IV
The difference of example IV and embodiment one is that the milling dry integrated machine in example IV also includes spiral case
Formula air distributor, the import of scroll casing type air distributor are connected with air-heater, and it is exported is connected with milling hothouse, and spiral case
The connected entrance of formula air distributor and milling hothouse is located at the lower section of the grinding roller.
Hot-air tangentially enters scroll casing type air sparger, and is in uniformly across the annular space in scroll casing type air sparger
Spiral shape rises, and the material that rational annular space wind speed has been effectively ensured in milling hothouse can successfully carry out fluidized drying.
Embodiment five
The difference of embodiment five and embodiment one is that the milling dry integrated machine in embodiment five also includes ring-type
Baffle plate, the ring-shaped baffle is arranged in the milling hothouse, and positioned at the lower section of the grinding roller, is not filled for stopping
Divide dry whisker.The granularity and water content of the big radius of circle and small radius of circle of ring-shaped baffle all in accordance with whisker in Practical Project
Situation is set.
Whisker is carried secretly in milling hothouse with swirling eddy to be risen, because by centrifugal action, particle is larger not to be reached
To desired (i.e. water content is larger) whisker by centrifugal action, its radius of turn is larger, when its radius of turn is more than ring-type
During the radius of the great circle of baffle plate, blocked by ring-shaped baffle and crushing is further dried, until meeting to require to overflow just now, particle
Less whisker is carried secretly with air-flow after the drying to be risen, because its particle diameter is smaller and reaches moisture content requirement (i.e. water content is smaller),
Centrifugal force is relatively small, and its radius of turn is less than the radius of the roundlet of ring-shaped baffle, is then discharged with air-flow, delivers to follow-up place
Reason.
Specifically, there is gap between the madial wall of the side of the grinding roller and the milling hothouse, the grinding roller
Side is the grinding roller close to the surface of the madial wall of the milling hothouse.The setting in gap can avoid grinding roller dry with milling
Friction between the madial wall of dry room.
Embodiment six
The difference of embodiment six and embodiment one is that the milling dry integrated machine also includes：Cooling jacket, institute
Cooling jacket is stated to be arranged in the side wall of the milling hothouse, and positioned at the connection of the air-heater and the milling hothouse
Around mouthful.
Hot blast start with material contact position, temperature is very high, normally close to the temperature of hot-air, significantly larger than in fluidized bed layer
Temperature, the phenomenon that material bonds at connected entrance of the air-heater with milling hothouse can be gone out in operation, the residence time is long, so as to
Cause material deterioration, or even produce thawing, to avoid this phenomenon, set at the connected entrance in air-heater with milling hothouse
Cooling jacket, the temperature of wall at this can be reduced, be smoothed out the drying process of material.
Embodiment seven
The difference of embodiment seven and embodiment one is that milling dry integrated machine also includes：Feed driver, charging
Driver is connected with feeder；Be milled driver, and milling driver is connected with grinding roller；Hot blast driver, hot blast driver and heat
Blower fan connects；Temperature inductor, temperature inductor are arranged in milling hothouse；Pressure inductor, pressure inductor are arranged on
It is milled in hothouse；And electric-control system, electric-control system control connection charging driver, milling driver, hot blast driving respectively
Device, temperature inductor and pressure inductor.
Exemplary, the milling dry integrated machine in the present embodiment also includes stirring driver, stirring driver and stirring
Device is connected, and electric-control system is connected with stirring driver control.
By setting electric-control system, the Automated condtrol of milling dry integrated machine can be effectively realized.
Embodiment eight
Implement a kind of eight more preferred embodiments for being the milling dry integrated machine of the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the milling dry integrated machine in the present embodiment includes：Feeder 11；Milling
Hothouse 12, milling hothouse 12 connect with feeder 11；Grinding roller 13, grinding roller 13 is arranged in milling hothouse 12, and is located at
The lower section of milling hothouse 12 and the connected entrance of feeder 11；Air-heater 14, air-heater 14 are connected with milling hothouse 12, are used for
The heat air delivery into milling hothouse 12, and the connected entrance of air-heater 14 and milling hothouse 12 is located at the lower section of grinding roller 13；Enter
Material is delivered in milling hothouse 12 by glassware 11, and grinding roller 13 carries out obtaining whisker, air-heater 14 after friction is broken to material
Hot blast is inputted to milling hothouse 12 whisker is dried.
Specifically, milling dry integrated machine also includes：Agitator 15, agitator 15 are arranged in milling hothouse 12, and
Positioned at the lower section of grinding roller 13, agitator 15 is used to refine whisker.
Specifically, milling dry integrated machine also includes scraper plate, scraper plate is arranged on agitator, and scraper plate is bonded at institute for cleaning
State the material on milling hothouse.
Specifically, milling dry integrated machine also includes cone structure 16, cone structure 16 is arranged in milling hothouse 12,
Positioned at the lower section of grinding roller 13, and the first end (bottom of the cone structure 16 namely shown in Fig. 4) of cone structure 16
The bottom of milling hothouse 12 is fixed on, its second end (upper end of the cone structure 16 namely shown in Fig. 4) is used for
Agitator 15 is installed, the volume of cone structure 16 tapers into from first end to the second end.
Specifically, milling dry integrated machine also includes scroll casing type air distributor, the import of scroll casing type air distributor 17
Connected with air-heater 14, it is exported connects with milling hothouse 12, and scroll casing type air distributor 17 and milling hothouse 12
Connected entrance is located at the lower section of grinding roller 13.
Specifically, milling dry integrated machine also includes ring-shaped baffle, ring-shaped baffle is arranged in milling hothouse, and is located at
The lower section of grinding roller, for stopping the whisker do not dried fully.
Specifically, having gap between the side of grinding roller 13 and the madial wall of hothouse 12 that is milled, the side of grinding roller 13 is
Grinding roller 13 is close to the surface of the madial wall of milling hothouse 12.
Specifically, milling dry integrated machine also includes cooling jacket, cooling jacket is arranged in the side wall of milling hothouse,
And positioned at air-heater 14 and it is milled around the connected entrance of hothouse 12.
Specifically, milling dry integrated machine also includes charging driver, charging driver is connected with feeder；Milling driving
Device, milling driver are connected with grinding roller；Hot blast driver, hot blast driver are connected with air-heater；Temperature inductor, temperature sense
Device is arranged in milling hothouse；Pressure inductor, pressure inductor are arranged in milling hothouse；And electric-control system, electricity
Control system controls connection charging driver, milling driver, hot blast driver, temperature inductor and pressure inductor respectively.
The invention also discloses a kind of pulverized coal preparation system, including：Milling dry integrated machine in embodiment one to embodiment eight；
Wind tower, wind tower are arranged on above milling dry integrated machine, and are connected with milling hothouse；Separator, separator connect with wind tower,
Separator is used to separate whisker and impurity；Deduster, deduster are used to obtain clean air after absorbing impurity；And chimney, cigarette
Chimney connects with deduster, for discharging clean air.
The pulverized coal preparation system of the present invention is obtained by being milled in dry integrated machine 10 while completing milling and the drying of material
Dry whisker, whisker is entered in separator 30 through wind tower 20 from milling dry integrated machine 10, then is separated by separator 30
Impurity in whisker and whisker, go deimpurity whisker to be packaged at the lower part outlet of separator 30 and wire up, impurity exists
Enter under the drive of air-flow in deduster, clean air is obtained by the cleaning of deduster 40, then chimney 50 is by clean air
Pulverized coal preparation system at discharge.
The pulverized coal preparation system connection and reasonable arrangement of the present invention, and equipment is simplified, and can be efficiently accomplished the pulverizing process of material, be done
The whisker of dry free from admixture, while air pollution will not be produced again, meet environmental requirement.
It is exemplary, as shown in Figure 4 and Figure 5, milling dry integrated machine of the invention and pulverized coal preparation system embodiment it is specific
Applicable cases are as follows：
The material under the driving of charging driver of feeder 11 is delivered in milling hothouse 12, and grinding roller 13 drives in milling
Rubbing material in the presence of device is so that it becomes the less whisker of granularity, whisker passes through to be dropped down onto at agitator 15 under grinding roller 13, is stirred
Mix device 15 and stir whisker so as to further refine whisker, further reduce the granularity of whisker, while air-heater 14 drives in hot blast
Heat air delivery in the presence of device, hot blast enter in milling hothouse 12 through scroll casing type air distributor 17, and Hot-blast Heating dries mill
Whisker in powder hothouse 12, and hot blast forms fluosolids, whisker being milled in hothouse 12 in the presence of agitator 15
In fluosolids upwards motion while also carry out centrifugal motion, granularity is smaller or the centrifugation radius of the less whisker of water content compared with
It is small, entered through ring baffle in wind tower 20, the centrifugation radius for the whisker that granularity is larger or water content is larger is larger, it is impossible to
Stop by ring baffle, therefore by ring baffle, the whisker being blocked enters one in the presence of agitator 15 and hot blast
Step is refined and dried, until meeting the condition through ring baffle.
Water content and granularity reach the whisker of requirement as air-flow enters through wind tower 20 from milling dry integrated machine 10
Into centrifuge 30, due to containing impurity in material, therefore, refine in the whisker obtained after material and also contain impurity, separator
30 separate whisker and impurity, obtain finished product, and finished product is packed at separator 30 and packed, effect of the impurity in air-flow
Under, enter in deduster 40, deduster 40 collects impurity, obtains clean air, chimney 50 further discharges clean air
Pulverized coal preparation system.
The present invention milling dry integrated machine can to material simultaneously be milled and dried, production efficiency height, it is necessary to
Operating personnel are few, reduce production cost, and equipment volume is small, and floor space is few, has saved hall space.The powder processed of the present invention
System connection and reasonable arrangement, and equipment is simplified, and can efficiently accomplish the pulverizing process of material, obtains the whisker of dry free from admixture, together
When will not produce air pollution again, meet environmental requirement.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. one kind milling dry integrated machine, it is characterised in that including：
Feeder；
Be milled hothouse, and the milling hothouse connects with the feeder；
Grinding roller, the grinding roller are arranged in the milling hothouse, and positioned at the company of the milling hothouse and the feeder
The lower section of port；
Air-heater, the air-heater connects with the milling hothouse, for heat air delivery, and institute into the hothouse that is milled
State the lower section that air-heater is located at the grinding roller with the connected entrance for being milled hothouse；
Material is delivered in the milling hothouse by the feeder, and the grinding roller carries out obtaining crystalline substance after friction is broken to material
Must, whisker is dried to the milling hothouse input hot blast for the air-heater；
One scroll casing type air distributor, the import of the scroll casing type air distributor connect with the air-heater, and it is exported and institute
Milling hothouse connection is stated, and the connected entrance of the scroll casing type air distributor and the milling hothouse is located at the grinding roller
Lower section；
One ring-shaped baffle, the ring-shaped baffle are arranged in the milling hothouse, and positioned at the lower section of the grinding roller, for hindering
Keep off the whisker do not dried fully.
2. milling dry integrated machine as claimed in claim 1, it is characterised in that also include：
One agitator, the agitator is arranged in the milling hothouse, and is located at the lower section of the grinding roller,
The agitator is used to stir whisker.
3. milling dry integrated machine as claimed in claim 2, it is characterised in that also include：
One scraper plate, the scraper plate are arranged on the agitator, and the scraper plate, which is used to clear up, to be bonded on the milling hothouse
Material.
4. milling dry integrated machine as claimed in claim 2, it is characterised in that also include：
One cone structure, the cone structure are arranged in the milling hothouse, and positioned at the lower section of the grinding roller, the cone
The first end of body structure is fixed on the bottom of the milling hothouse, and its second end is used to install the agitator, described
The volume of cone structure tapers into from first end to the second end.
5. milling dry integrated machine as claimed in claim 1, it is characterised in that：
There is gap between the madial wall of the side of the grinding roller and the milling hothouse, the side of the grinding roller is the mill
Roller is close to the surface of the madial wall of the milling hothouse.
6. milling dry integrated machine as claimed in claim 1, it is characterised in that also include：
Cooling jacket, the cooling jacket be arranged on it is described milling hothouse side wall on, and positioned at the air-heater with it is described
It is milled around the connected entrance of hothouse.
7. the milling dry integrated machine as described in any one of claim 1 to 6, it is characterised in that also include：
Driver is fed, the charging driver is connected with the feeder；
Be milled driver, and the milling driver is connected with the grinding roller；
Hot blast driver, the hot blast driver are connected with the air-heater；
Temperature inductor, the temperature inductor are arranged in the milling hothouse；
Pressure inductor, the pressure inductor are arranged in the milling hothouse；And
Electric-control system, the electric-control system control the connection charging driver, the milling driver, the hot blast to drive respectively
Dynamic device, the temperature inductor and the pressure inductor.
A kind of 8. pulverized coal preparation system, it is characterised in that including：
Milling dry integrated machine as any one of claim 1 to 7；
Wind tower, the wind tower are arranged on above the milling dry integrated machine, and are connected with the milling hothouse；
Separator, the separator connect with the wind tower, and the separator is used to separate whisker and impurity；
Deduster, the deduster are used to obtain clean air after absorbing the impurity；And
Chimney, the chimney connects with the deduster, for discharging clean air；
The milling dry integrated machine is milled and dried to the material, obtains dry whisker, described in the whisker passes through
Wind tower enters the separator, and the separator separates the whisker and the impurity, then, described in the deduster absorption
Impurity, and clean air is obtained, finally, the clean air is discharged the pulverized coal preparation system by the chimney.
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| CN201610028157.4A CN105536924B (en) | 2016-01-15 | 2016-01-15 | Be milled dry integrated machine and pulverized coal preparation system |
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| CN201610028157.4A CN105536924B (en) | 2016-01-15 | 2016-01-15 | Be milled dry integrated machine and pulverized coal preparation system |
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| CN105536924B true CN105536924B (en) | 2018-04-06 |
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| CN112378171B (en) * | 2020-11-16 | 2022-07-15 | 山东晶鑫机械装备有限公司 | Gypsum powder drying machine for gypsum board production line |
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| CN105536924A (en) | 2016-05-04 |
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Effective date of registration: 20180412 Address after: 201620, A District, 126 Yang Yang Bei Road, Shanghai, Songjiang District Patentee after: Shanghai Feng Zhu composite new Mstar Technology Ltd Address before: 336300 Yifeng County Industrial Park, Jiangxi, Yichun Patentee before: Jiangxi Feng Zhu new material Science and Technology Ltd. |