CN107930530A - A kind of ceramic raw material suspension Granulation Equipments - Google Patents
A kind of ceramic raw material suspension Granulation Equipments Download PDFInfo
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- CN107930530A CN107930530A CN201711290525.3A CN201711290525A CN107930530A CN 107930530 A CN107930530 A CN 107930530A CN 201711290525 A CN201711290525 A CN 201711290525A CN 107930530 A CN107930530 A CN 107930530A
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- suspending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
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Abstract
The present invention provides a kind of ceramic raw material suspension Granulation Equipments, including charging gear and it is granulated suspending column, it is cylinder that it, which is granulated suspending column top, lower part is conical structure, and wind guide tank is positioned at granulation suspending column cylinder and cone intersection, along cylinder circumference uniform distribution, the pressure wind produced by exterior high pressure suspending wind turbine, upward suspending power is produced by wind guide tank, under the action of suspending power, microparticle is constantly reunited, absorption, progressively balling-up increases, form particle powder, when the weight of particle is more than pneumatic floating power, the particle powder for reaching technological requirement is flowed out from discharge port.Powder is prepared using Granulation Equipments of the present invention, you can to overcome the shortcomings of that wet-milling technique prepares powder high energy consumption, of high cost, and solve powder particles irrational distribution prepared by existing dry process techniques, poor fluidity, the too big technical problem of particle unit weight.
Description
Technical field
The present invention relates to a kind of ceramic raw material suspension Granulation Equipments, belongs to ceramic industry raw material processing device field.
Background technology
When ceramic industry carries out powder particles preparation at present, one kind is wet powder-making technique, i.e., first enters composition of raw materials material
Ball mill adds water 32~35% to be finely ground into mud, and the mud made is squeezed into spray dryer with pump, is arrived mud drying with hot wind
6~8% moisture, are made die mould particle powder, which is distributed in the scope of 18~100 mesh sieves, and the particle in the range of this contains
Amount reaches 90%, unit weight about 0.90g/cm3, powder particles rule is made, good fluidity, unit weight are suitable, easy to follow-up die mould
Need, the drawback is that：Due to evaporate substantial amounts of moisture, it is necessary to consume substantial amounts of heat, energy consumption is very high.
One kind is dry method flouring technology, and composition of raw materials material entered dry method flour mill, and dry grinding is to being less than 0.063 mm
（250 mesh sieves are thinner）Granularity, be prepared into powder by balling-up prilling granulator, the prilling granulator of use has edge runner, disk
Formula comminutor, squash type comminutor, pulley type comminutor.Its balling-up granulation process is charging plus water into balling-up comminutor, sharp
With rolling, extrude, the different principle and mode of strong stirring, carry out balling-up and be granulated powder processed.The amount of water of the process for 10~
12%, then by other drying mode dry powders to 6~8% moisture, for production and application.By the powder of dry process,
Grain irrational distribution, the particle percentage composition being distributed in the range of 18~100 mesh sieves is about between 50~60%, non-granulating
Fine powder content height have impact on the mobility of powder, in addition using strong stirring, extruding, the powder part bulky grain of preparation is too
Firmly, cause powder unit weight high（About 1.05~1.20 g/cm3）, the molding technique parameter of follow-up Ceramic Tiles is seriously affected, is influenced
Final product quality.
The content of the invention
The object of the present invention is to provide a kind of ceramic raw material suspension Granulation Equipments, and powder energy consumption is prepared to solve wet-milling technique
Deficiency high, of high cost, and solve powder particles irrational distribution prepared by existing dry process techniques, poor fluidity, particle
The too big technical problem of unit weight.
The present invention core thinking be：A kind of new equipment is designed, the suspended state airflow field that air can be utilized to produce, is setting
Airflow stirring and suspending power are formed in standby cavity, dry powder and humidifying liquid are reunited, forms spherical particles powder.
Based on above mentality of designing, the technical solution adopted in the present invention is：A kind of ceramic raw material suspension Granulation Equipments, bag
Include charging gear and be granulated suspending column, wherein, the charging gear includes linear compensation hopper 1 and impeller loader 2, the powder
Material enters powder lot dispersing device 4 through the feed of impeller loader 2, is atomized under the effect of powder lot dispersing device 4 and is dispersed into granulation suspending column
9,9 top of the granulation suspending column is cylinder, and lower part is conical structure, and wind guide tank is internally provided with being granulated suspending column 9
10 and high-pressure atomization nozzle 5, be provided with high pressure suspending wind turbine 6 and dusting fan 7 being granulated outside suspending column 9, it is described be granulated it is outstanding
Floating 9 cone lower part of tower carries the discharge port 8 of sealing.
It is in order to press to powder materials, its is dispersed, reach and combined with the abundant of the atomization water of tower, it is further to improve
It is, the powder lot dispersing device 4 is circle, is uniformly distributed with arc distribution blade along the circumference.
The pressure wind produced by exterior high pressure suspending wind turbine, upward suspending power is produced by wind guide tank, further
Improvement is that the wind guide tank 10 being granulated inside suspending column 9 is positioned at granulation 9 cylinder of suspending column and cone intersection, edge
Cylinder circumference uniform distribution.
Enter in order to which powder preferably is suppressed aerosol dispersion in granulation suspending column, further improve is, the powder
High pressure positive blower 3 is additionally provided with outside material disperser 4.
In order to form airflow field, vortex stirring, agglomeration are produced to powder and atomized water, further improve is,
The powder that the powder lot dispersing device 4 is granulated suspending column to entering produces downward dispersion force F1, is set outside the granulation suspending column
The powder that the high pressure suspending wind turbine 6 put is granulated suspending column to entering produces upward suspending power F2, F2 ＞ F1.
Discharged in order to facilitate exhaust gas and dust, further improve is that the dusting fan 7 is with being located at tower body sidepiece
Hook-type inlet scoop is connected.
It should be noted that when equipment works, by the grinding fine powder material of outside offer, produced by high pressure positive blower 3
Powder materials are evenly spread to and are granulated in suspending column 9 by air-flow by powder lot dispersing device 4, form dispersed gas, solid dispersed phase.
Pumped by external high pressure by humidifying liquid（Water）The high-pressure atomization nozzle 5 being granulated in suspending column 9 is squeezed into, produces atomized water, is formed uniform
Scattered liquid phase.Atomized liquid（Water core）Surface tension there is suction-operated, dry fine powder also has moisture absorption, suction-operated, Gu
The air-flow strong stirring that phase fine powder and liquid phase atomization water are produced in high pressure positive blower, is touched during vortex, dry fine powder and water
Core is reunited, absorption, forms microparticle wrapper.From the high pressure suspending wind turbine 6 outside granulation suspending column 9 into granulation suspending column 9
The jet-stream wind risen is provided, produces vortex and suspending power, under the action of suspending power, microparticle is constantly reunited, adsorbed, progressively
Balling-up increases, and forms particle powder.When the weight of particle is more than pneumatic floating power, reach the particle powder of technological requirement from going out
Material mouth flow out, be granulated suspending column 9 in air-flow body and discharged by exterior dusting fan 7.
Using equipment provided by the invention, its advance is the performance such as granularity of powder, and granule strength can be according to work
Skill needs to be adjusted, and granular size can be made by adjusting the wind pressure and air quantity of different doses, water, and wind turbine, change
Air-flow field distribution in grain tower, and then change suspending power of the tower interior air-flow to the particulate material of formation, when the own wt of particulate material
During more than having suspended, particle powder can be flowed out from discharge port, make performance the being optimal state of particle powder.
Its key structure is that it is cylinder to be granulated suspending column top, and lower part is conical structure, and wind guide tank is located at
Suspending column cylinder and cone intersection are granulated, along cylinder circumference uniform distribution, is so produced by exterior high pressure suspending wind turbine
Pressure wind, produce upward suspending power F2 by wind guide tank, powder lot dispersing device is circle, is uniformly distributed with arc along the circumference and disperses leaf
Piece, the powder that suspending column is granulated to entering produce downward dispersion force F1, F2 ＞ F1.So ensure that the effect in suspending power
Under, microparticle is constantly reunited, is adsorbed, and progressively balling-up increases, and particle powder is formed, when the weight of particle is more than pneumatic floating power
When, the particle powder for reaching technological requirement is flowed out from discharge port.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is powder lot dispersing device structure diagram；
Wherein, linear compensation hopper 1, impeller loader 2, high pressure positive blower 3, powder lot dispersing device 4, high-pressure atomization nozzle 5, high pressure is hanged
Floating wind turbine 6, dusting fan 7, carries the discharge port 8 of sealing, is granulated suspending column 9, wind guide tank 10.
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of ceramic raw material suspension Granulation Equipments, including charging gear and granulation suspending column, wherein, the feed
Device includes linear compensation hopper 1 and impeller loader 2, and the powder enters powder lot dispersing device 4 through the feed of impeller loader 2,
Atomization, which is dispersed into, under the effect of powder lot dispersing device 4 is granulated suspending column 9, and 9 top of the granulation suspending column is cylinder, and lower part is
Conical structure, is internally provided with wind guide tank 10 and high-pressure atomization nozzle 5 being granulated suspending column 9, is set being granulated outside suspending column 9
It is equipped with high pressure suspending wind turbine 6 and dusting fan 7, the discharge port 8 for being granulated 9 cone lower part of suspending column and carrying sealing.
The powder lot dispersing device 4 is circle, is uniformly distributed with arc distribution blade along the circumference.
The wind guide tank 10 being granulated inside suspending column 9 is positioned at 9 cylinder of suspending column and cone intersection is granulated, along circle
Cylinder circumference uniform distribution.
High pressure positive blower 3 is additionally provided with outside the powder lot dispersing device 4.
The dusting fan 7 is connected with the hook-type inlet scoop positioned at tower body sidepiece.
During specific works：The grinding fine powder material provided from outside enters linear compensation hopper 1, through impeller loader 2
Dosing, into powder lot dispersing device 4, the pressure-air from high pressure positive blower 3 enters powder lot dispersing device at the same time, and powder is suppressed
Aerosol dispersion is cylinder on top, and lower part is in the granulation suspending column 9 of conical structure, forms dispersed gas, divides admittedly
Dephasing, is pumped humidifying liquid by external high pressure（Water）The high-pressure atomization nozzle 5 in conditioning Tower body is squeezed into, produces atomized water, forms ball
The dispersed liquid phase droplet of shape.Atomized liquid（Water core）Surface tension there is suction-operated, dry fine powder also has moisture absorption, inhales
Attached effect.Solid phase fine powder is touched with liquid phase atomization water droplet in the air-flow strong stirring that high pressure positive blower produces and during being vortexed
Touch, dry fine powder is reunited with water core, absorption, forms microparticle wrapper.By being placed in the high pressure suspending wind turbine being granulated outside suspending column 9
6 provide the jet-stream wind risen to Ta Neidao wind guide tanks 10, produce vortex and suspending power, under the action of suspending power, microparticle
Constantly reunite, absorption, progressively balling-up increases, and forms particle powder.When the weight of particle is more than pneumatic floating power, reach technique
It is required that particle powder the discharge port 8 of sealing carried from cone lower part flow out, do not formed in tower body agglomerated particle fine powder and
Exhaust gas is discharged into dust collecting system by exterior dusting fan 7.
Following table is to use different prilling process powder particles grading control experiment tables, test result indicates that using the present invention
Granulation Equipments prepares powder, you can to overcome the shortcomings of that wet-milling technique prepares powder high energy consumption, of high cost, and solves existing dry
Powder particles irrational distribution prepared by method technology, poor fluidity, the too big technical problem of particle unit weight.
Different prilling process powder particles grading controls
Claims (6)
1. a kind of ceramic raw material suspension Granulation Equipments, including charging gear and granulation suspending column, it is characterised in that the feed dress
Put including linear compensation hopper（1）With impeller loader（2）, the powder is through impeller loader（2）Feed enters powder lot dispersing
Device（4）, in powder lot dispersing device（4）The lower atomization of effect is dispersed into granulation suspending column（9）, the granulation suspending column（9）Top is
Cylinder, lower part are conical structure, are being granulated suspending column（9）It is internally provided with wind guide tank（10）With high-pressure atomization nozzle（5）,
It is being granulated suspending column（9）Outside is provided with high pressure suspending wind turbine（6）And dusting fan（7）, the granulation suspending column（9）Cone
Lower part carries the discharge port of sealing（8）.
A kind of 2. ceramic raw material suspension Granulation Equipments according to claim 1, it is characterised in that the powder lot dispersing device
（4）For circle, arc distribution blade is uniformly distributed with along the circumference.
A kind of 3. ceramic raw material suspension Granulation Equipments according to claim 1, it is characterised in that the granulation suspending column
（9）Internal wind guide tank（10）Positioned at granulation suspending column（9）Cylinder and cone intersection, along cylinder circumference uniform distribution.
A kind of 4. ceramic raw material suspension Granulation Equipments according to claim 1, it is characterised in that the powder lot dispersing device
（4）Outside is additionally provided with high pressure positive blower（3）.
A kind of 5. ceramic raw material suspension Granulation Equipments according to claim 1, it is characterised in that the powder lot dispersing device
（4）The powder that suspending column is granulated to entering produces downward dispersion force F1, the high pressure suspending for being granulated suspending column outside and setting
Wind turbine（6）The powder that suspending column is granulated to entering produces upward suspending power F2, F2 ＞ F1.
A kind of 6. ceramic raw material suspension Granulation Equipments according to claim 1, it is characterised in that the dusting fan（7）
It is connected with the hook-type inlet scoop positioned at tower body sidepiece, for exhaust gas and dust to be discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290525.3A CN107930530A (en) | 2017-12-08 | 2017-12-08 | A kind of ceramic raw material suspension Granulation Equipments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290525.3A CN107930530A (en) | 2017-12-08 | 2017-12-08 | A kind of ceramic raw material suspension Granulation Equipments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107930530A true CN107930530A (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711290525.3A Pending CN107930530A (en) | 2017-12-08 | 2017-12-08 | A kind of ceramic raw material suspension Granulation Equipments |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579613A (en) * | 2018-06-08 | 2018-09-28 | 福建敏捷机械有限公司 | A kind of powder atomising device and ceramic powder granulating system |
| CN109049266A (en) * | 2018-08-27 | 2018-12-21 | 天津水泥工业设计研究院有限公司 | A kind of Granulation Equipments, system and the technique of the dry method flouring technology for low water absorption glazed tile |
| CN109603679A (en) * | 2018-12-27 | 2019-04-12 | 咸阳陶瓷研究设计院有限公司 | A kind of ceramic powder humidification Granulation Equipments |
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| CN1135935A (en) * | 1996-01-23 | 1996-11-20 | 尹贵玉 | Ceramic powder pelletizing apparatus and its process |
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| CN103752213A (en) * | 2014-01-06 | 2014-04-30 | 咸阳陶瓷研究设计院 | Device suitable for humidifying and granulating dry powder |
| CN205473405U (en) * | 2016-03-08 | 2016-08-17 | 江苏金盛陶瓷科技有限公司 | Silicon nitride ceramic spray granulation powder machine |
| CN106422966A (en) * | 2016-11-09 | 2017-02-22 | 西安建筑科技大学 | Powdery material dry granulation equipment |
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| CN1135935A (en) * | 1996-01-23 | 1996-11-20 | 尹贵玉 | Ceramic powder pelletizing apparatus and its process |
| CN2401264Y (en) * | 1999-11-26 | 2000-10-18 | 尹贵玉 | Dry humidifying centrifugal intensified granulator set |
| CN2407826Y (en) * | 2000-03-03 | 2000-11-29 | 尹贵玉 | Wetting pellitizer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579613A (en) * | 2018-06-08 | 2018-09-28 | 福建敏捷机械有限公司 | A kind of powder atomising device and ceramic powder granulating system |
| CN108579613B (en) * | 2018-06-08 | 2024-04-26 | 福建敏捷机械有限公司 | Powder atomizing device and ceramic dry powder granulating system |
| CN109049266A (en) * | 2018-08-27 | 2018-12-21 | 天津水泥工业设计研究院有限公司 | A kind of Granulation Equipments, system and the technique of the dry method flouring technology for low water absorption glazed tile |
| CN109049266B (en) * | 2018-08-27 | 2024-06-07 | 天津水泥工业设计研究院有限公司 | Granulating equipment, system and process for dry-process powder process of low-water-absorption glazed brick |
| CN109603679A (en) * | 2018-12-27 | 2019-04-12 | 咸阳陶瓷研究设计院有限公司 | A kind of ceramic powder humidification Granulation Equipments |
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Application publication date: 20180420 |
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