CN105478056A - Ceramic raw material dry method granulation production line and production technology - Google Patents

Ceramic raw material dry method granulation production line and production technology Download PDF

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Publication number
CN105478056A
CN105478056A CN201510839809.8A CN201510839809A CN105478056A CN 105478056 A CN105478056 A CN 105478056A CN 201510839809 A CN201510839809 A CN 201510839809A CN 105478056 A CN105478056 A CN 105478056A
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China
Prior art keywords
raw material
ceramic raw
powder
production line
particle
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CN201510839809.8A
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Chinese (zh)
Inventor
姚长青
孙亚辉
刘纯杰
韩丽利
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SHANDONG ECON ENERGY SAVING TECHNOLOGY Co Ltd
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SHANDONG ECON ENERGY SAVING TECHNOLOGY Co Ltd
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Priority to CN201510839809.8A priority Critical patent/CN105478056A/en
Publication of CN105478056A publication Critical patent/CN105478056A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/12Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/30Combinations with other devices, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18Drum screens
    • B07B1/185Drum screens provided with exchangeable sieve panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4645Screening surfaces built up of modular elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/02Fastening means for fastening screens to their frames which do not stretch or sag the screening surfaces

Abstract

The invention relates to a ceramic raw material dry method granulation production line and a production technology. The production line orderly comprises a raw material field, a raw material bin, a grinding mechanism, a granulation mechanism, a drying mechanism and a screening mechanism. A mixer is arranged between a discharge outlet of the raw material bin and a feeding inlet of the grinding mechanism. A discharge outlet of the grinding mechanism is connected to a dust collector through a powder iron separator. An output end of the dust collector is connected to a powder homogenization mechanism. The powder iron separator is an iron separator with at least two rotary iron separation channels. A feeding end of a reciprocating type fluidized bed dryer is provided with a distributing device. The lower end of the distributing device is provided with an airlock. A ventilation partition plate is arranged in a blast chamber. The blast chamber is divided into a drying zone and a cooling zone through the ventilation partition plate. The screening mechanism is a rotary screen with a demountable screen. The production technology has a high one-step granulation qualified rate, a low production cost and good drying effects.

Description

A kind of ceramic raw material non-slurry pelletizing production line and production technology
Technical field
The present invention relates to ceramic raw material non-slurry pelletizing technical field, specifically a kind of ceramic raw material non-slurry pelletizing production line and production technology.
Background technology
The preparation of ceramic industry generally uses spraying dry tower technology, the particle granulating qualification rate that spray drying tower is produced is high, but this technology is owing to limiting by its process, there is the problems such as energy consumption is large, floor space is large, labor intensive is large, environmental protection is not up to standard, therefore in pelletization, there is significant limitation.There is provided a kind of environmental protection and energy saving, the low and dry granulation equipment meeting various ceramic wall and floor bricks technological requirement of cost is necessary.
Current non-slurry pelletizing, balling ratio is low, and is false particle mostly, and density is loose, be subject to external force and easily cause particle damage, one time granulating qualification rate is low, and substandard product exists two kinds of situations, and one is that fine powder rate is high, another kind is that particle is too large, fine powder will granulation again, and particle will be optimized too greatly and is broken into conforming particle, again granulation and and fragmentation all can additionally consume energy.
When false particle, the particle that density is loose enter fluidized bed drying; under the vibrations of fluid bed; false particle, the particle that density is loose can obtain destruction becomes fine powder; cause fine powder rate high; in the screening process of rotary screen, sifting barrel rotates and also makes particle damage, herein after particle damage; can be mixed in qualified products from rotary screen sieve, affect the production in later stage.
It is generally acknowledged the drying screening mode being formed loop by granulation-screening-fluidized drying at present, namely particle be introduced into rotary screen screen after dry again, enhance productivity, reduce costs, but there is certain defect in this mode, namely the material moisture after granulation is higher, and in actual mechanical process, stick with paste net serious, screen cloth can be decreased through rate gradually, need application net clearing mechanism to carry out net operation clearly, frequent clear net operation can make screen life-span greatly reduce.Therefore after granulation operations completes, first carry out fluidized drying, screening is necessary again, but the particle after granulation operations completes generally has tendency of reuniting before the drying, particle after reunion can cause particle phenomenon pockety on fluidized bed body when entering fluid bed, have a strong impact on drying efficiency and the drying effect of fluidized drying.
Summary of the invention
The present invention proposes a kind of ceramic raw material non-slurry pelletizing production line and production technology.
Technical scheme of the present invention is achieved in that a kind of ceramic raw material non-slurry pelletizing production line, comprise set gradually stock yard, raw material cabin, grinding mechanism, granulating mechanism, drier and screening mechanism; Described drier is reciprocating type fluidized bed dryer, and described reciprocating type fluidized bed dryer comprises fluidized bed body, blast chamber, drive part that fluidized bed body is shaken; It is characterized in that: between described raw material cabin discharge end and the feed end of grinding mechanism, a batch mixer is set; The discharge end of described grinding mechanism is connected with dust-precipitator by powder iron remover, and the output of described dust-precipitator is connected with powder homogenizing mechanism; Described powder iron remover is the tramp iron separator with rotating deironing passage, and described rotation deironing passage is at least two; The feed end of described reciprocating type fluidized bed dryer arranges distributing device, and airlock is installed in the lower end of distributing device, and described airlock is impeller; Be provided with plenum partitions in described blast chamber, blast chamber is divided into dry section and cooling zone by plenum partitions, fluidized bed gas export pipeline is set up the second deduster, and the discharge end of the second deduster is connected with the feed end of comminutor; Described screening mechanism is the rotary screen with detachable screen cloth, and described rotary screen comprises cylinder and multiple screen cloth, and described screen cloth is arranged on the periphery of cylinder, is all connected by movable connection structure between two often adjacent screen clothes.
As preferred technical scheme, described batch mixer is from the horizontal by the angle of 8 °-12 °.
As preferred technical scheme, described powder iron remover comprises tramp iron separator main body, rotates deironing passage, for clamping tramp iron separator main body and rotating the clamping structure of deironing passage, and drives the driving rotational structure rotating deironing passage and rotate.
As preferred technical scheme, described clamping structure is the clamping of feed screw nut's formula or motor push rod type clamping.
As preferred technical scheme, described comminutor is granulating disc.
As preferred technical scheme, fluid bed is also provided with material dividing plate.
As preferred technical scheme, one of them discharging opening of described screening mechanism is connected with finished bin, and another discharging opening of screening mechanism is connected with finished bin by pulverizer.
As preferred technical scheme, between described powder homogenizing mechanism and granulating mechanism, also set gradually surge bunker and weighing cabin.
As preferred technical scheme, described movable connection structure often between adjacent two screen clothes is door latch type active grab.
Ceramic raw material non-slurry pelletizing production line produces a production technology for ceramic raw material non-slurry pelletizing, it is characterized in that, comprises the steps:
1) raw material premix: the ceramic raw material homogenizing by granularity being below 10mm in stock yard, ceramic raw material after homogenizing is transported to raw material cabin, undertaken weighing, preparing burden by the belt of weighing in raw material cabin, ceramic raw material after weighing, preparing burden is delivered in batch mixer and carries out batch mixing, the rotating speed of batch mixer is 10r/min-15r/min, and batch mixer turns the continuous batch mixing that 7min-10min completes a ceramic raw material.
2) raw material grinding: the ceramic raw material after batch mixer batch mixing is transported to vertical grinder, grinding is to granularity to 2um-63um, material after grinding carries out deironing process through powder iron remover, then the powder up to standard after grinding is collected, after powder carry up to standard to homogenizing storehouse is carried out homogenizing process by bagroom.
3) granulation process: the powder up to standard fully after homogenizing is delivered to surge bunker and weighing cabin more in order; after weighing cabin is weighed, be transported to granulating mechanism carry out granulation; add water stirring between granulation stage; each amount of water is the 9%-13% of quality of material; number of water is 1-2 time; mixing time is 1min-3min, and stirring motor frequency is 45hz-50hz, and granulating material water ratio is 11%-13%.
4) particle drying: granulating material, after particle tramp iron separator deironing process, is delivered to reciprocating type fluidized bed dryer and carries out drying, and dry wind speed is 10m/s-20m/s, and dried material water ratio is 6%-8%; Grain diameter is that the material being less than 0.2mm is recycled to the second deduster through the gas outlet end of reciprocating type fluidized bed dryer, is delivered to weighing cabin and weighs, be delivered to comminutor granulation again after weighing again through the second deduster discharge end.
5) particle screening: the particle of grain diameter between 0.2mm ~ 0.9mm is conforming particle under rotary screen sieve, conforming particle is transported to finished bin, the particle that particle diameter is greater than 0.9mm is transported to pulverizer and pulverizes, and the conforming particle after pulverizing is transported to finished bin.
Owing to have employed technique scheme, the present invention has following outstanding beneficial effect:
1, by batch mixer, ceramic raw material is mixed, improve the uniformity of ceramic raw material, improve the uniformity that vertical pulverizing mill grinding goes out powder simultaneously, be beneficial to the qualification rate improving granulation, improve the stability that later stage ceramic product is produced.
2, be connected with dust-precipitator by powder iron remover, the existence of dust-precipitator makes material in suspended state deironing, and de-ferrous effect can reach 70%-80%, ensure that granulation quality and the ceramic product quality in later stage.
3, tramp iron separator can be changed at any time between the first deironing passage and the second deironing passage, and produce without the need to suspending, production efficiency is high, good iron removal effect, ensure that the quality of granulation.
4, granulating disc adopts to roll and rotates the granulation mode adding stirring and carry out granulation, and with the material homogenizer mechanism in early stage, batch mixer batch mixing, the coordinating of powder homogenizing mechanism, jointly improve the qualification rate of a granulating, one time granulating qualification rate is greater than 95%.
5, by distributing device, material is fully scattered, airlock is installed in the lower end of distributing device, airlock is impeller, impeller can play the effect of stirring material on the one hand, material is made evenly to step into fluid bed under the stirring of impeller, impeller plays lock wind action on the other hand, ensures that fluid bed internal gas pressure remains within the scope of technological requirement value; To strand material be become in advance fully to scatter under the effect of dispersion distributing device, and evenly step into fluid bed under impeller stirs, ensure that drying efficiency and drying effect.
6, plenum partitions is provided with in blast chamber, blast chamber is divided into dry section and cooling zone by plenum partitions, dry section leads to hot blast, make material complete heat exchange with hot blast under fluidized state, material moisture reaches technological requirement rapidly, and cooling zone leads to cold wind, the hot blast produced after cold wind exchanges can run forward, add to heated-air drying district, both saved the energy, moisture in material can be removed again; The qualification rate that effectively improve particle is sieved in first drying again.
7, door latch type active grab conveniently can complete the dismounting of screen cloth, and easy accessibility, whole process are without the need to additional means, time saving and energy saving; When certain screen cloth damages, the screen cloth at this position only need be changed, without the need to whole replacing, cost-saving.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is production line structural representation of the present invention.
Fig. 2 be powder iron remover of the present invention face structural representation.
Fig. 3 is the side-looking structural representation of powder iron remover of the present invention.
Fig. 4 is the structural representation of reciprocating type fluidized bed dryer of the present invention.
Fig. 5 is the side-looking structural representation of rotary screen of the present invention.
Fig. 6 is process chart of the present invention.
In figure: 1-stock yard; 2-raw material cabin; 3-batch mixer; 4-grinding mechanism; 5-powder iron remover; 6-dust-precipitator; 7-powder homogenizing mechanism; 8-granulating mechanism; 9-particle tramp iron separator; 10-drier; 11-screening mechanism; 12-pulverizer; 13-finished bin; 15-second deduster; 51-tramp iron separator main body; 52-drives rotational structure; 53-clamping motor; 54-screw mandrel; 55-first nut; 56-second nut; 57-first deironing passage; 58-second deironing passage; 59-fluorubber; 101-fluidized bed body; 102-blast chamber; 103-drive part; 104-distributing device; 105-impeller; 106-plenum partitions; 107-material dividing plate; 111-cylinder; 112-screen cloth; 113-door latch type active grab.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the present invention includes set gradually stock yard 1, raw material cabin 2, grinding mechanism 4, powder homogenizing mechanism 7, granulating mechanism 8, drier 10 and screening mechanism 11;
Arrange material homogenizer mechanism in described stock yard 1, described material homogenizer mechanism adopts tiling directly to get mode batch mixing.
Arrange first in described raw material cabin 2 to weigh belt, raw material weighed by the first belt of weighing and prepares burden.
In prioritization scheme, described grinding mechanism 4 is vertical pulverizing mill.One batch mixer 3 is set between described raw material cabin 2 discharge end and the feed end of grinding mechanism 4, as shown in Figure 2, described batch mixer 3 is from the horizontal by the angle of 8 °-12 °, mixed by batch mixer 3 pairs of ceramic raw materials, improve the uniformity of ceramic raw material, improve the uniformity that vertical pulverizing mill grinding goes out powder simultaneously, be beneficial to the stability that later stage ceramic product is produced.
The discharge end of described grinding mechanism 4 is connected with dust-precipitator 6 by powder iron remover 5, and the existence of dust-precipitator 6 makes material in suspended state deironing, and de-ferrous effect can reach 70%-80%.As shown in Figure 3,4, described powder iron remover 5 is the tramp iron separator with rotating deironing passage, and described rotation deironing passage is at least two.Described powder iron remover 5 comprises tramp iron separator main body 51, rotates deironing passage, for clamping tramp iron separator main body 51 and rotating the clamping structure of deironing passage and drive the driving rotational structure 52 rotating deironing passage and rotate.Described clamping structure is feed screw nut's formula, and its concrete structure comprises clamping motor 53, screw mandrel 54, the nut that coordinates with screw mandrel 54; Described clamping motor 53 is connected with tramp iron separator main body 51 by connecting rod, one end of described screw mandrel 54 is connected with the output shaft of clamping motor 53, screw mandrel 54 is combined with the first nut 55 and the second nut 56, described first nut 55 and the second nut 56 are separately fixed on a solid plate, the solid plate be wherein connected with the first nut 55 is connected with tramp iron separator main body 51, the solid plate be connected with the second nut 56 and rotation deironing expanding channels; Described second nut 56 is also provided with the guide rail with guide effect, and guide rail can make rotation deironing passage move in the horizontal direction.Clamping motor 53 drives screw mandrel 54 to rotate, screw mandrel 54 rotation realizes the second nut 56 and rotates, second nut 56 driven rotary deironing passage away from or near tramp iron separator main body 51, thus realize tramp iron separator main body 51 and rotate the compression of deironing passage or unclamp, the clamp system clamping of this mode, unclamp and be swift in motion, self-locking performance is good.Described tramp iron separator main body 51 adopts fluorubber 59 to seal with sealing place rotating deironing passage.Described rotation deironing passage comprises the first deironing passage 57 and the second deironing passage 58, and described clamping structure is two, acts on the first deironing passage 57 and the second deironing passage 58 respectively; Described driving rotational structure 52 is the electric pushrod driving the first deironing passage 57 and the second deironing passage 58 to rotate respectively, by the rotation driving rotational structure 52 to realize the first deironing passage 57 and the second deironing passage 58, thus complete the replacement operation of the first deironing passage 57 and the second deironing passage 58.This tramp iron separator can be changed at any time between the first deironing passage 57 and the second deironing passage 58, and produce without the need to suspending, production efficiency is high, good iron removal effect, ensure that the quality of granulation.Described clamping structure also can be motor push rod type clamping.
Described dust-precipitator 6 is bagroom, the powder up to standard gone out by bagroom collection vertical grinder grinding.The output of described dust-precipitator 6 is connected with described powder homogenizing mechanism 7, and described powder homogenizing mechanism 7 is Chinese T J-TP type homogenizing storehouse or Chinese NC type storehouse, is made the chemical composition uniformity of powder by homogenizing mechanism, improves the uniformity of powder mixing.
Described Chinese T J-TP type homogenizing storehouse is that storehouse inner bottom part arranges Large circular wimble structure, moves on to outside storehouse by mix and blend room, reduces inflation area in storehouse.The annular space justified around wall and cone is divided into 6 discharging great Qu, and 12 inflation communities, each inflation community tilts to discharge port, and inclined-plane fills aeration tank, and each district inflates in turn.And decompression cone is set on discharge zone top.By two symmetrical discharge port dischargings at center, storehouse.Outbound powder can through manual, pneumatic, electric flow control valve by powder carry to the little storehouse of metering, little storehouse integrates batch mixing, weighing, feeding.The little storehouse of this band LOAD CELLS, is made up of inner/outer tube.Inner tube wall has hole, and the powder and the inner core powder that enter measuring chute urceolus can produce exchange, and draws off after stirring in interior storehouse.Top, storehouse is provided with overflow-type powder distributor.
Blanking is put at most in described Chinese NC type homogenizing Kuku, tiling powder, and being provided with conical centre room in storehouse, Fen18Ge district, bottom of the reservior, is 1st ~ 10 district in centre chamber, and the annulus of centre chamber and storehouse wall is 11st ~ 18 district; Powder enters centre chamber from outer annular region, then from little storehouse of weighing centre chamber is discharged into storehouse; During to centre chamber's charging, outer zone aeration tank is only to the district's inflation of in 11st ~ 18 district; After powder enters storehouse, center, under the depressurization of decompression cone, center 1 ~ 8 district also inflates in turn, and corresponding with outer zone inflation, makes to enter center powder energy undergoes rapid expansion, activation and mixing homogenizing; 9th ~ 10 district inflate always, carry out activation discharging; Discharging is carried out mainly through an overflow pipe, ensures that material can not in the short circuit of storehouse, center; Level-sensing device is not established in storehouse, Ku Nei center, by material level situation in the pressure measxurement reflection storehouse, center on gas ducting.
Surge bunker and weighing cabin is also set gradually between described powder homogenizing mechanism 7 and granulating mechanism 8; surge bunker plays the temporary effect of powder; arrange second in weighing cabin to weigh belt; qualified powder is carried out gradation and weighs by the second belt of weighing, and takes appropriate powder carry and carries out granulation to granulating mechanism 8.Described granulating mechanism 8 is granulating disc; the granulation mode that granulating disc adopts inclination rotation to add stirring carries out granulation; with the material homogenizer mechanism 1 in early stage, batch mixer 3 batch mixing, the coordinating of powder homogenizing mechanism 7; jointly improve the qualification rate of a granulating, one time granulating qualification rate is greater than 95%.
The discharge end of described granulating mechanism 8 is connected with the feed end of drier 10, in prioritization scheme, arranges particle tramp iron separator 9 between described granulating mechanism 8 and drier 10, and described particle tramp iron separator 9 is the tramp iron separator with rotating deironing passage; By powder iron remover 5 and particle tramp iron separator 9 twice deironing, ensure that de-ferrous effect, with rotating the tramp iron separator of deironing passage relative to conventional tramp iron separator, without the need to shutting down during replacing deironing passage, it is time saving and energy saving to operate.
As shown in Figure 4, described drier 10 is reciprocating type fluidized bed dryer, described reciprocating type fluidized bed dryer comprises fluidized bed body 101, blast chamber 102, drive part 103 that fluidized bed body 101 is shaken, drive part 103 is made up of motor, crank type cam gyro black assembly, pull bar driven unit, walking beam, the damping of compressed air rubber spring, frequency converter etc., its concrete connected mode and operating principle are prior art, no longer specifically tire out state at this.The feed end of described reciprocating type fluidized bed dryer arranges distributing device 104, by distributing device 104, material is fully scattered, airlock is installed in the lower end of distributing device 104, described airlock is impeller 105, impeller 105 can play the effect of stirring material on the one hand, make material evenly step into fluid bed under the stirring of impeller 105, impeller 105 plays lock wind action on the other hand, and fluid bed internal gas pressure is remained within the scope of technological requirement value.To strand material be become in advance fully to scatter under the effect of distributing device 104, and evenly step into fluid bed under impeller 105 stirs, ensure that drying efficiency and drying effect.
Plenum partitions 106 is provided with in described blast chamber 102, blast chamber 102 is divided into dry section and cooling zone by plenum partitions 106, described dry section leads to hot blast, make material complete heat exchange with hot blast under fluidized state, material moisture reaches technological requirement rapidly, and cooling zone leads to cold wind, the hot blast produced after cold wind exchanges can run forward, add to heated-air drying district, both saved the energy, moisture in material can be removed again.Fluid bed is also provided with material dividing plate 107, and material dividing plate 107 existence can be good at avoiding material returning charge phenomenon.Fluidized bed gas export pipeline is set up the second deduster 15; by the second deduster 15, powder collection less for particle diameter is got up; the discharge end of the second deduster 15 is connected with the feed end of granulating mechanism 8, by particle less for particle diameter again granulation, improves the qualification rate of finished product.
As shown in Figure 5, described screening mechanism 11 is the rotary screen with detachable screen cloth 112, described rotary screen comprises cylinder 111 and multiple screen cloth 112, described screen cloth 112 is arranged on the periphery of cylinder 111, all be connected by movable connection structure between two often adjacent screen clothes 112, described movable connection structure is door latch type active grab 113, conveniently can be completed the dismounting of screen cloth 112 by door latch type active grab 113, easy accessibility, whole process are without the need to additional means, time saving and energy saving; When certain screen cloth 112 damages, the screen cloth 112 at this position only need be changed, without the need to whole replacing, cost-saving.
One of them discharging opening of described screening mechanism 11 is directly connected with finished bin 13, directly finished product is delivered to finished bin 13; Another discharging opening of screening mechanism 11 is connected with finished bin 13 by pulverizer 12, substandard product larger for particle can be delivered to pulverizer 12 like this and carry out being ground into qualified products, then be delivered to finished bin 13.
In the present invention, the first weigh belt, granulating mechanism 8 and pulverizer 12 of belt, vertical pulverizing mill, batch mixer 3, bagroom, second of weighing is prior art, and its concrete internal structure and operation principle are not repeated at this.
As shown in Figure 6, a kind of ceramic raw material non-slurry pelletizing production line produces the production technology of ceramic raw material non-slurry pelletizing, comprises the following steps:
1) raw material premix: granularity is the ceramic raw material homogenizing of below 10mm by the mode that first adopting in stock yard tiles directly gets, ceramic raw material after homogenizing is transported to raw material cabin, undertaken weighing, preparing burden by the belt of weighing in raw material cabin, ceramic raw material after weighing, preparing burden is delivered in batch mixer and carries out batch mixing, the rotating speed of batch mixer is 10r/min-15r/min, and batch mixer turns the continuous batch mixing that 7min-10min completes a ceramic raw material.
2) raw material grinding: the ceramic raw material after batch mixer batch mixing is transported to vertical grinder, properties of powder performace is to 2um-63um, material after grinding carries out deironing process through powder iron remover, then collect the powder up to standard after grinding by bagroom, powder carry up to standard is carried out homogenizing process to homogenizing storehouse.
3) granulation process: the powder up to standard fully after homogenizing is delivered to surge bunker and weighing cabin more in order; after weighing cabin is weighed, be transported to granulating mechanism carry out granulation; add water stirring between granulation stage; each amount of water is the 9%-13% of quality of material; number of water is 1-2 time; mixing time is 1min-3min, and stirring motor frequency is 45hz-50hz, and granulating material water ratio is 11%-13%.
4) particle drying: granulating material, after particle tramp iron separator deironing process, is delivered to reciprocating type fluidized bed dryer and carries out drying, and dry wind speed is 10m/s-20m/s, and dried material water ratio is 6%-8%; Grain diameter is that the material being less than 0.2mm is recycled to the second deduster through the gas outlet end of reciprocating type fluidized bed dryer, is delivered to weighing cabin and weighs, be delivered to comminutor granulation again after weighing again through the second deduster discharge end.
5) particle screening: the particle of grain diameter between 0.2mm ~ 0.9mm is conforming particle under rotary screen sieve, conforming particle is transported to finished bin, the particle that particle diameter is greater than 0.9mm is transported to pulverizer and pulverizes, and the conforming particle after pulverizing is transported to finished bin.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a ceramic raw material non-slurry pelletizing production line, comprise set gradually stock yard, raw material cabin, grinding mechanism, granulating mechanism, drier and screening mechanism; Described drier is reciprocating type fluidized bed dryer, and described reciprocating type fluidized bed dryer comprises fluidized bed body, blast chamber, drive part that fluidized bed body is shaken; It is characterized in that: between described raw material cabin discharge end and the feed end of grinding mechanism, a batch mixer is set; The discharge end of described grinding mechanism is connected with dust-precipitator by powder iron remover, and the output of described dust-precipitator is connected with powder homogenizing mechanism; Described powder iron remover is the tramp iron separator with rotating deironing passage, and described rotation deironing passage is at least two; The feed end of described reciprocating type fluidized bed dryer arranges distributing device, and airlock is installed in the lower end of distributing device, and described airlock is impeller; Be provided with plenum partitions in described blast chamber, blast chamber is divided into dry section and cooling zone by plenum partitions, fluidized bed gas export pipeline is set up the second deduster, and the discharge end of the second deduster is connected with the feed end of comminutor; Described screening mechanism is the rotary screen with detachable screen cloth, and described rotary screen comprises cylinder and multiple screen cloth, and described screen cloth is arranged on the periphery of cylinder, is all connected by movable connection structure between two often adjacent screen clothes.
2. according to a kind of ceramic raw material non-slurry pelletizing production line according to claim 1, it is characterized in that: described batch mixer is from the horizontal by the angle of 8 °-12 °.
3. according to a kind of ceramic raw material non-slurry pelletizing production line according to claim 1, it is characterized in that: described powder iron remover comprises tramp iron separator main body, rotates deironing passage, for clamping tramp iron separator main body and rotating the clamping structure of deironing passage, and drive the driving rotational structure rotating deironing passage and rotate.
4. according to a kind of ceramic raw material non-slurry pelletizing production line according to claim 3, it is characterized in that: described clamping structure is the clamping of feed screw nut's formula or motor push rod type clamping.
5., according to a kind of ceramic raw material non-slurry pelletizing production line according to claim 1, it is characterized in that: described comminutor is granulating disc.
6., according to a kind of ceramic raw material non-slurry pelletizing production line according to claim 1, it is characterized in that: fluid bed is also provided with material dividing plate.
7., according to a kind of ceramic raw material non-slurry pelletizing production line according to claim 1, it is characterized in that: one of them discharging opening of described screening mechanism is connected with finished bin, another discharging opening of screening mechanism is connected with finished bin by pulverizer.
8., according to a kind of ceramic raw material non-slurry pelletizing production line according to claim 1, it is characterized in that: between described powder homogenizing mechanism and granulating mechanism, also set gradually surge bunker and weighing cabin.
9., according to a kind of ceramic raw material non-slurry pelletizing production line according to claim 1, it is characterized in that: the movable connection structure often between adjacent two screen clothes is door latch type active grab.
10. produce the production technology of ceramic raw material non-slurry pelletizing according to a kind of ceramic raw material non-slurry pelletizing production line in claim 1 ~ 9 described in any one, it is characterized in that, comprise the steps:
1) raw material premix: the ceramic raw material homogenizing by granularity being below 10mm in stock yard, ceramic raw material after homogenizing is transported to raw material cabin, undertaken weighing, preparing burden by the belt of weighing in raw material cabin, ceramic raw material after weighing, preparing burden is delivered in batch mixer and carries out batch mixing, the rotating speed of batch mixer is 10r/min-15r/min, and batch mixer turns the continuous batch mixing that 7min-10min completes a ceramic raw material;
2) raw material grinding: the ceramic raw material after batch mixer batch mixing is transported to vertical grinder, grinding is to granularity to 2um-63um, material after grinding carries out deironing process through powder iron remover, then collect the powder up to standard after grinding by bagroom, powder carry up to standard is carried out homogenizing process to homogenizing storehouse;
3) granulation process: the powder up to standard fully after homogenizing is delivered to surge bunker and weighing cabin more in order, after weighing cabin is weighed, be transported to granulating mechanism carry out granulation, add water stirring between granulation stage, each amount of water is the 9%-13% of quality of material, number of water is 1-2 time, mixing time is 1min-3min, and stirring motor frequency is 45hz-50hz, and granulating material water ratio is 11%-13%;
4) particle drying: granulating material, after particle tramp iron separator deironing process, is delivered to reciprocating type fluidized bed dryer and carries out drying, and dry wind speed is 10m/s-20m/s, and dried material water ratio is 6%-8%; Grain diameter is that the material being less than 0.2mm is recycled to the second deduster through the gas outlet end of reciprocating type fluidized bed dryer, is delivered to weighing cabin and weighs, be delivered to comminutor granulation again after weighing again through the second deduster discharge end;
5) particle screening: the particle of grain diameter between 0.2mm ~ 0.9mm is conforming particle under rotary screen sieve, conforming particle is transported to finished bin, the particle that particle diameter is greater than 0.9mm is transported to pulverizer and pulverizes, and the conforming particle after pulverizing is transported to finished bin.
CN201510839809.8A 2015-11-27 2015-11-27 Ceramic raw material dry method granulation production line and production technology Pending CN105478056A (en)

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CN106563390A (en) * 2016-11-09 2017-04-19 西安建筑科技大学 Dry-process ceramic wall and ground tile green body powder granulation technology
CN108020492A (en) * 2017-05-12 2018-05-11 北京华索科技股份有限公司 Grain size analysis system
CN111266169A (en) * 2018-12-04 2020-06-12 唐山高压电瓷有限公司 System and method for preparing powder by isostatic pressing dry-process molding process of high-voltage porcelain insulator
CN111361000A (en) * 2020-03-22 2020-07-03 河北金汇陶瓷有限公司 Dry powder making device and method adopting roller press for milling
CN111974508A (en) * 2019-09-19 2020-11-24 昆明特康科技有限公司 Ceramic powder granulating method
CN112126254A (en) * 2020-10-08 2020-12-25 杨松 Process system for preparing pyrolytic carbon black from waste tires
CN113682540A (en) * 2021-08-26 2021-11-23 南京安耐机械有限公司 Multi-station automatic feeding device
CN116159750A (en) * 2023-04-21 2023-05-26 江苏大江干燥设备有限公司 Automatic screening type vibrating fluidized bed dryer

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CN106563390A (en) * 2016-11-09 2017-04-19 西安建筑科技大学 Dry-process ceramic wall and ground tile green body powder granulation technology
CN108020492A (en) * 2017-05-12 2018-05-11 北京华索科技股份有限公司 Grain size analysis system
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CN111361000B (en) * 2020-03-22 2021-12-28 河北金汇陶瓷有限公司 Dry powder making device and method adopting roller press for milling
CN112126254A (en) * 2020-10-08 2020-12-25 杨松 Process system for preparing pyrolytic carbon black from waste tires
CN112126254B (en) * 2020-10-08 2021-12-21 盐城市新聚益油脂科技有限公司 Process system for preparing pyrolytic carbon black from waste tires
CN113682540A (en) * 2021-08-26 2021-11-23 南京安耐机械有限公司 Multi-station automatic feeding device
CN113682540B (en) * 2021-08-26 2022-07-08 南京安耐机械有限公司 Multi-station automatic feeding device
CN116159750A (en) * 2023-04-21 2023-05-26 江苏大江干燥设备有限公司 Automatic screening type vibrating fluidized bed dryer

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