CN111375481B - Integrated device and method for powder making, dust collection and impurity removal by ceramic dry method - Google Patents
Integrated device and method for powder making, dust collection and impurity removal by ceramic dry method Download PDFInfo
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- CN111375481B CN111375481B CN202010205896.2A CN202010205896A CN111375481B CN 111375481 B CN111375481 B CN 111375481B CN 202010205896 A CN202010205896 A CN 202010205896A CN 111375481 B CN111375481 B CN 111375481B
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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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
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Abstract
The invention discloses a ceramic dry powder-making, dust-collecting and impurity-removing integrated device which comprises a dust-collecting and impurity-removing mechanism connected with a discharge port of a grinding and sorting mechanism, wherein the dust-collecting and impurity-removing mechanism comprises a dust collector, a blanking cone and a high-square screen which are sequentially arranged from top to bottom, six groups of blanking cones arranged in a matrix are fixed at the bottom end of the dust collector, and a feed inlet is formed in the top end of the high-square screen corresponding to each group of blanking cones. According to the ceramic dry powder-making, dust-collecting and impurity-removing integrated device with the structure, through integrated dust collection and impurity removal, the production flow is greatly shortened, the occupied area of equipment is saved, meanwhile, six groups of blanking cones are arranged at the bottom end of the dust collector and communicated with the high-square screen (the high-square screen can be replaced by a double-square screen), so that materials falling into the high-square screen are more uniform, and the screening efficiency is improved.
Description
Technical Field
The invention relates to a ceramic dry-method powder making technology, in particular to a dust-collecting and impurity-removing integrated device and a method for ceramic dry-method powder making.
Background
The ceramic tile is a thin plate product which is made of clay and other inorganic non-metallic raw materials and used for covering a wall surface or a ground surface, and is generally formed by dry pressing or extrusion forming, wherein the extrusion forming generally adopts a wet powder making process, and the powder making process of dry pressing powder is divided into a dry powder making process and a wet powder making process.
The raw material milling equipment of the wet powder making process adopts an intermittent or continuous wet ball milling method, the water content of ground slurry reaches about 35%, the ground slurry is dried and granulated by a spray drying tower, the water content of granulated particles is 5% -7%, the granulated particles enter a staling bin to be staled for 24-36 hours, and then enter a press forming machine to be pressed into blanks.
The raw material grinding equipment of the dry powder process adopts dry grinding equipment (such as a vertical mill, a Raymond mill and the like), the ground dry powder is granulated by granulation equipment (a disc granulator, a high-speed mechanical stirring granulator) by a granulation method, water is used as a binder, the dry powder ground by the dry method is agglomerated into granules with the water content of below 12%, the granules are dried by a dryer until the water content is about 7%, and the granules are stored for a short time and then enter a forming press to be pressed into blanks.
Therefore, compared with the traditional wet powder making process, the dry powder making process has the comprehensive skill reduction range of more than 67 percent, the number of operators in a raw material workshop can be reduced by 50 percent or more, the land occupation of the raw material workshop can be reduced by 30 percent, the exhaust emission is reduced by more than 80 percent, water is saved by 80 percent, electricity is saved by 50 percent, fuel is saved by 80 percent, and pebbles, ball linings and dispergators are not used, so that the process for replacing the wet powder making process is expected to be widely adopted by the ceramic industry in the future.
However, the existing dry-method powder making has no breakthrough on impurity removal equipment for the ground dry powder, and the impurity removal sieve generally adopts a shaking sieve or a rotary sieve, so that the following problems exist:
1) the single device has small capacity, the screen is a single layer, the occupied area is large, the processing capacity of the unit occupied area is low, and the occupied area of the device is large;
the impurity removing equipment used in the prior ceramic dry powder process is a rotary sieve or a shaking sieve, the sieve is a single layer, and the sieving area and the occupied area are as follows: 1: 1.1 ═ 0.9; taking a matched 50000 square meter/day building ceramic factory as an example, the yield of dry powder per hour needs 80t/h, and when a 50-mesh screen is adopted, the area of the screen is as follows: 100 to 114m2(ii) a When the screen is a 60-mesh screen, the area of the screen is as follows: 400-456 m2(ii) a When the screen is a 70-mesh screen, the required screen area is as follows: 2000 to 2285m2At present, the occupied area (not containing a stock ground) of an 80t/h wet powder making workshop is about 6000m2If the powder is made by a dry method, taking a 70-mesh sieve as an example, the floor area (the floor area is calculated by 1.1 times of the sieve area) of only one item of the impurity removed by sieving is close to 3000m2How to reduce the floor space of the screening equipment becomes one of the key problems to be solved by the popularization of the dry powder process technology;
2) the powder is fine, and mobility is poor, and the inhomogeneous problem of cloth appears after the screen cloth area increases, and screen cloth effective utilization descends, influences the sieve machine output, can't realize screening edulcoration equipment's maximization.
Therefore, the capacity of a single dry screening device in the dry powder process is greatly improved, the floor area is greatly reduced, and great significance is brought to the saving of the floor area of a dry powder process system and the reduction of the system control difficulty;
disclosure of Invention
The invention aims to provide a ceramic dry powder making, dust collecting and impurity removing integrated device which has the following beneficial effects:
1) the method well solves the problem of large occupied area of an impurity removing screen machine encountered in the popularization of the prior dry powder making process by selecting a high-square impurity removing screen with the occupied area of about 5 percent of a shaking screen or a rotary screen as impurity removing equipment of the ceramic dry powder making process; the high square flat screen is one of the most important devices in flour mills, and has the functions of screening ground materials of all grinding systems, grading the products, respectively conveying the products to the next grinding system according to the granularity for grinding, continuously separating flour, and finally achieving the purpose of thoroughly separating flour and bran. The main structure is as follows: feed arrangement, screen frame, hoist device, transmission, crossbeam etc. Because the sieve grids in the sieve body are vertically arranged in multiple layers, which is equivalent to the vertical stacking of a plurality of single-layer rotary vibration sieves, the small floor area under the condition of large sieving area can be realized; the screen surface of the ceramic raw material dry powder high-square impurity removal screen is a horizontal device, and the eccentric weight in the center of the screen body is rotated by driving of a self-contained motor to generate horizontal centrifugal inertia force to promote the screen body to do plane rotation motion so as to screen wheat flour. The high square flat screen for screening wheat flour has large screening area, for example, 10-bin high square flat screen, the screening area of the single screen can reach 130m at most3Above, its area only is: 6.8m2The ratio of the screening area to the occupied area is as follows: 130: 6.8 ═ 19; compared with the existing single-layer impurity removing sieve, the ratio of the screening area to the occupied area is increased from 0.9 to 19, which is increased by about 20 times, and the problem of large occupied area of the impurity removing sieve machine encountered in the popularization of the existing dry powder preparation process is well solved;
2) the ceramic raw material dry powder high-square impurity removing sieve and a raw material grinding link of ceramic tile dry powder making are tightly connected in process layout, so that the ceramic raw material dry powder high-square impurity removing sieve and a dust collector in the raw material grinding link form a compact design, the arrangement of a blanking hopper of the dust collector is changed, the blanking hopper of the dust collector becomes a feeding hopper of the high-square flat sieve, the ceramic raw material dry powder high-square impurity removing sieve and the dust collector are integrated, the two devices are compactly arranged in a plane space, and the floor area is greatly reduced.
In order to achieve the purpose, the invention provides a ceramic dry powder making, dust collecting and impurity removing integrated device which comprises a dust collecting and impurity removing mechanism connected with a discharge hole of a grinding and sorting mechanism, wherein the dust collecting and impurity removing mechanism comprises a dust collector, a blanking cone and a high-square screen which are sequentially arranged from top to bottom, six groups of blanking cones arranged in a matrix manner are fixed at the bottom end of the dust collector, and a feed inlet is formed in the top end of the high-square screen corresponding to each group of blanking cones.
Preferably, a blanking device is further connected between the feeding hole of the high-flat square screen and the blanking cone.
Preferably, the discharge port of the high-flat square screen is in closed connection with the material conveying mechanism through the material guide groove.
Preferably, the material conveying mechanism is an air conveying chute, a screw conveyor or a stranding cage conveyor.
Preferably, the impurity discharging port of the high-square sieve is connected with the impurity guiding groove.
Preferably, six groups of discharge ports are formed in the bottom end of the high-square screen, and the feed ports of the high-square screen correspond to the discharge ports of the high-square screen one to one.
The method based on the ceramic dry-method powder-making, dust-collecting and impurity-removing integrated device comprises the following steps:
the powder which meets the fineness requirement and is collected by the grinding sorting mechanism falls into the dust collector, then the powder falls into six groups of blanking cones in a dispersing way through a dust outlet of the dust collector, then the material is evenly unloaded into the high-square screen through the blanking device to remove impurities, the powder after the impurities are removed is sequentially transmitted into the next procedure along the guide chute and the material conveying mechanism, and the impurities after the impurities are removed are led out through the impurity guide chute.
Therefore, the ceramic dry powder-making, dust-collecting and impurity-removing integrated device adopting the structure greatly shortens the production flow and saves the floor area of equipment by integrally collecting dust and removing impurities, and meanwhile, six groups of blanking cones arranged at the bottom end of the dust collector are communicated with the high-flat square sieve, so that the materials falling into the high-flat square sieve are more uniform, and the screening efficiency is improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a front view of an integrated device for dry powder manufacture, dust collection and impurity removal of ceramic according to an embodiment of the present invention;
FIG. 2 is a side view of an integrated device for powder making, dust collecting and impurity removing by a ceramic dry method according to an embodiment of the present invention.
Wherein: 1. a dust collector; 2. a blanking cone; 3. a blanking device; 4. a high-flat square screen; 5. a material conveying mechanism; 6. a trash guide groove; 7. a material guide groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
FIG. 1 is a front view of an integrated device for dry powder manufacture, dust collection and impurity removal of ceramic according to an embodiment of the present invention; fig. 2 is a side view of an integrated device for dust collection and impurity removal for dry powder milling of ceramic according to an embodiment of the present invention, as shown in fig. 1 and 2, the structure of the present invention includes a dust collection and impurity removal mechanism connected to a discharge port of a grinding and impurity removal mechanism, wherein the grinding and impurity removal mechanism includes a grinding device and a combined powder concentrator, which are not described herein since they are not the invention of the present application, the dust collection and impurity removal mechanism includes a dust collector 1, a feeding cone 2, and a high-square sieve 4 (the high-square sieve in this embodiment may be replaced by a double-square sieve), which are sequentially arranged from top to bottom, six groups of feeding cones 2 arranged in a matrix are fixed at the bottom end of the dust collector 1, and a feed port is formed at the top end of the high-square sieve 4 corresponding to each group of feeding cones 2. And a blanking device 3 is connected between the feeding hole of the high square screen 4 and the blanking cone 2, so that uniform discharging is facilitated.
The discharge port of the high square screen 4 is hermetically connected with a material conveying mechanism 5 through a guide chute 7, the material conveying mechanism 5 is an air conveying chute, a spiral conveyor or a stranding cage conveyor, and dust can be prevented from escaping in the closed conveying process.
Preferably, six groups of discharge ports are formed in the bottom end of the high square sieve 4, the feed port of the high square sieve 4 corresponds to the discharge ports of the high square sieve 4 one by one, namely, the high square sieve 4 is arranged to be of a six-in six-out structure, and the sieving efficiency is further improved.
The impurity discharging port of the high square sieve 4 is connected with the impurity guiding groove 6, so that impurities can be discharged conveniently.
The method based on the ceramic dry-method powder-making, dust-collecting and impurity-removing integrated device comprises the following steps:
the powder which meets the fineness requirement and is collected by the grinding and sorting mechanism falls into the dust collector 1, then the powder is dispersed by a dust outlet of the dust collector 1 and falls into six groups of blanking cones 2, then the material is uniformly discharged into the high square screen 4 through the blanking device 3 to remove impurities, the powder after the impurities are removed is sequentially transmitted into the next process (the next process in the embodiment is a dry powder homogenizing process) along the guide chute 7 and the material transmission mechanism 5, and the impurities removed by screening are simultaneously guided out through the impurity guide chute 6.
Therefore, the ceramic dry powder-making, dust-collecting and impurity-removing integrated device adopting the structure greatly shortens the production flow and saves the floor area of equipment by integrally collecting dust and removing impurities, and meanwhile, six groups of blanking cones arranged at the bottom end of the dust collector are communicated with the high-flat square sieve, so that the materials falling into the high-flat square sieve are more uniform, and the screening efficiency is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a pottery dry process powder process dust collection edulcoration integrated device which characterized in that: the dust and impurity collecting mechanism comprises a dust collector, blanking cones and a high-square screen which are sequentially arranged from top to bottom, wherein six groups of blanking cones arranged in a matrix are fixed at the bottom end of the dust collector, and a feeding hole is formed in the top end of the high-square screen corresponding to each group of blanking cones;
the main structure of the high-square screen comprises a feeding device, a screen body, a hoisting device, a transmission device and a cross beam;
the discharge hole of the high-flat square screen is hermetically connected with the material conveying mechanism through the material guide groove;
six groups of discharge ports are formed in the bottom end of the high square screen, and the feed ports of the high square screen correspond to the discharge ports of the high square screen one by one;
the operation method of the ceramic dry powder-making, dust-collecting and impurity-removing integrated device comprises the following steps:
the powder which meets the fineness requirement and is collected by the grinding sorting mechanism falls into the dust collector, then the powder falls into six groups of blanking cones in a dispersing way through a dust outlet of the dust collector, then the material is evenly unloaded into the high-flat square screen through the blanking device to remove impurities, the powder after the impurities are removed is sequentially transmitted into a dry powder homogenizing process along the guide chute and the material conveying mechanism, and the screened impurities are led out through the impurity guide chute.
2. The integrated device for powder making, dust collecting and impurity removing by the ceramic dry method according to claim 1, which is characterized in that: and a blanking device is also connected between the feeding hole of the high-square screen and the blanking cone.
3. The integrated device for powder making, dust collecting and impurity removing by the ceramic dry method according to claim 1, which is characterized in that: the material conveying mechanism is an air conveying chute, a spiral conveyor or a stranding cage conveyor.
4. The integrated device for powder making, dust collecting and impurity removing by the ceramic dry method according to claim 1, which is characterized in that: and the impurity discharging port of the high-flat square sieve is connected with the impurity guiding groove.
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| CN202010205896.2A CN111375481B (en) | 2020-03-23 | 2020-03-23 | Integrated device and method for powder making, dust collection and impurity removal by ceramic dry method |
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| CN202010205896.2A CN111375481B (en) | 2020-03-23 | 2020-03-23 | Integrated device and method for powder making, dust collection and impurity removal by ceramic dry method |
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| CN111375481B true CN111375481B (en) | 2022-01-28 |
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| CN201390717Y (en) * | 2009-04-10 | 2010-01-27 | 山东华义玉米科技有限公司 | Corn starch air delivery device |
| CN201529579U (en) * | 2009-10-14 | 2010-07-21 | 海安县商业学校 | Self-shunt type micro-powder grader |
| CN201676819U (en) * | 2010-05-28 | 2010-12-22 | 开封市茂盛机械有限公司 | Ten-bin square plansifter |
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| CN110216777B (en) * | 2019-06-19 | 2021-02-19 | 河北金汇陶瓷有限公司 | Production process of dry pressing ceramic tile blank |
| CN110204327A (en) * | 2019-07-01 | 2019-09-06 | 深圳市丁鼎陶瓷科技有限公司 | Colourful transparent ceramics and preparation method thereof |
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