CN112453032A - Core material waste recovery device and production process thereof - Google Patents
Core material waste recovery device and production process thereof Download PDFInfo
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- CN112453032A CN112453032A CN202011363952.1A CN202011363952A CN112453032A CN 112453032 A CN112453032 A CN 112453032A CN 202011363952 A CN202011363952 A CN 202011363952A CN 112453032 A CN112453032 A CN 112453032A
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- 239000002699 waste material Substances 0.000 title claims abstract description 66
- 239000011162 core material Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000011084 recovery Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000000227 grinding Methods 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 18
- 238000004064 recycling Methods 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000012535 impurity Substances 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims description 13
- 238000007873 sieving Methods 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 12
- 239000004575 stone Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000003082 abrasive agent Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract description 2
- 238000002791 soaking Methods 0.000 abstract description 2
- 229920006254 polymer film Polymers 0.000 abstract 1
- 238000012216 screening Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002120 nanofilm Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the field of waste recycling, and discloses a core material waste recycling device and a production process thereof, wherein S1, coarse crushing: crushing the waste plates into 30-50mm flaky crushed materials by using a double-shaft shredder, wherein two motors are used in the process, and the power of a single motor is 37 kw; s2, fine crushing: the 30-50mm waste material from S1 was further crushed into small particles of 0-5mm using a vertical hammer crusher. Through fully soaking and grinding in water, the residual cloth fiber and molecular membrane in the core plate can be better separated, and the residual amount of impurities is low after filtration, and the residual amount is less than 0.1%. Dry powder is adopted for grinding and filtering, and the residual quantity of impurities is more than 1 percent. The residues are mainly cloth fibers and polymer film materials, and the larger the residue is, the larger the influence on the quality of a finished product after recycling is, the lower the fire-proof grade is, and unqualified products are easy to produce. Thus also limiting the amount of dry powder added. The smaller the residual amount, the less the influence on the quality of the finished product, and the more the addition amount can be greatly increased.
Description
Technical Field
The invention relates to the field of comprehensive utilization of waste recovery, in particular to a core material waste recovery device and a production process thereof.
Background
The existing A2-grade fireproof core plate waste recycling method generally adopts a blade type crusher to directly crush the core plate into 80-150-mesh powder for use; the disadvantages of this approach include the following:
firstly, the processing efficiency is low, the core plate contains a certain proportion of high polymer materials and has certain toughness, the materials are easy to adhere due to heat generated in the high-speed rotation process of the blade, the yield of ground fine powder is low, and the yield per unit day is only 2-3 tons;
secondly, the dust is large in the processing process;
thirdly, when the core board waste is recycled and added in a dry powder form, the proportion of recycling and adding is limited due to strong water absorption of the dry powder and mixed different components, and the proportion is too large, so that the water adding amount is high and low, the process parameters are difficult to adjust, and the production stability and the quality of the finished core board are seriously influenced;
fourthly, according to the use experience, the addition proportion of the dry powder return materials generally cannot exceed 5 percent, otherwise, the production stability is easily reduced, the quality of the core plate is reduced, but the recovery proportion of 5 percent is too low, the full cyclic utilization of the waste materials is limited, a large amount of overstocked waste materials are generated, and more waste is generated.
Disclosure of Invention
The invention aims to provide a core material waste recovery device and a production process thereof, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that: a core material waste high-efficiency circulating device, which comprises a coarse crushing device, wherein a discharge port of the coarse crushing device is connected with one end of a first conveying belt, the other end of the first conveyer belt is arranged above the feeding hole of the dust removing box, the bottom of the dust removing box is communicated with the feeding hole of the vertical composite crusher, one side of the dust removal box is communicated with a dust collection bin with a dust collector through a pipeline A, waste materials treated by the vertical composite crusher are conveyed into the ball mill through a second conveying belt after being screened by a first screening device, grinding stones are used as ball milling media in the ball mill, the waste materials subjected to grinding by the ball mill are discharged from the ball mill and enter a second screening device, the waste materials filtered by the second screening device are placed in a filter press to be pressed into cakes, the filter press is provided with a liquid receiving tank, waste water generated in the liquid receiving tank is communicated into the ball mill through a water return pipeline, and the water return pipeline is provided with a booster pump.
Preferably, coarse crushing device is biax shredder, biax shredder includes uncovered workbin, two shredding rollers of parallel arrangement in uncovered workbin, two shredding roller is rotated by two motor drive respectively.
Further, vertical combined crusher includes the barrel, sets up the pan feeding mouth in the barrel top, be equipped with the impeller in the barrel, the impeller is rotated by motor drive.
Further, first device that sieves includes first sieve case, first sieve incasement is equipped with the individual layer filter screen, first sieve case is by motor drive vibration.
Preferably, the ball mill comprises a rotary drum, wherein both ends of the rotary drum are provided with rotating shafts, the rotating shafts are rotatably arranged on the frame, and the rotating shafts are driven by a motor.
Further, the second device that sieves includes the second sieve case, the second sieve incasement is equipped with double-deck filter screen, the second sieve case is by motor drive.
Preferably, the filter press is a plate and frame filter press.
Further, the grinding stone is high-wear-resistance aluminum balls.
A core material waste recovery production process is characterized in that: comprises the following steps
S1, coarse crushing: crushing the waste plates into 30-50mm flaky crushed materials by using a double-shaft shredder, wherein two motors are used in the process, and the power of a single motor is 37 kw;
s2, fine crushing: and (3) further crushing the 30-50mm waste material obtained in the step (S1) into small particles of 0-5mm by using a vertical hammer crusher, wherein the power of the vertical crusher is 30kw, and the rotating speed is 1475 r/min.
S3, filtering impurities by using a vibrating screen: the vibrating screen consists of two vibrating motors, the power of a single vibrating motor is 1.5kw, the vibration frequency is 1000 times/minute, the vibrating screen consists of a single-layer filter screen, and the aperture of the filter screen is 6 x 6 mm;
s4, conveying the 0-5mm small particles obtained in the step S3 into a ball mill through a conveying belt, grinding the waste into slurry by taking grinding stones and water as media, and adding the following components in proportion: 2 tons (0-5 mm) of core plate waste, 3-4 tons of high-wear-resistant aluminum balls and 2 tons of water are used, and the core material with the thickness of 0-5mm is ground into fine powder with the particle size of 100 meshes and 200 meshes, and the grinding time is 1-2 hours;
s5, discharging: introducing compressed air into the ball mill for discharging, wherein the pressure of the compressed air is 0.4-0.8MPa, and the discharging time is 10-15 min;
s6, further filtering impurities and large-particle substances by using a vibrating screen: the filter screen consists of two layers of filter screens, wherein the aperture of the upper layer of filter screen is 3 x 3mm, the aperture of the lower layer of filter screen is 1 x 1mm, and the impurity content of the filtered slurry is less than 0.1 percent;
s7, filter pressing: removing water from the slurry sieved by the S6 through a filter press, pressing the slurry into cakes under the pressure of 0.8-1.2MPa, wherein the water content is 15% -30%;
and S8, pumping the water extruded by the S7 filter press into a ball mill in S4 through a booster pump to realize water circulation.
Further, the content of alumina in the high-wear-resistant aluminum balls is 92%, and the mixing proportion of the high-wear-resistant aluminum balls is as follows: 30-50mm in diameter and 70% in diameter, and 50-70mm in diameter and 30%.
Compared with the prior art, the invention has the following beneficial effects:
firstly, slurry powder obtained by water milling has fine particles and uniform granularity, the mesh number is 100-200 meshes, and the slurry is suitable for adding and using and has good stability;
and secondly, through fully soaking and grinding in water, the cloth fiber and the molecular membrane which are remained in the core plate can be better separated, and the impurity residual quantity is low after filtration, and the residual quantity is less than 0.1%. Dry powder is adopted for grinding and filtering, and the residual quantity of impurities is more than 1 percent. The residues are mainly cloth fibers and high-molecular film materials, and the larger the residue is, the larger the influence on the quality of a finished product after recycling is, the lower the fire-proof grade is, and unqualified products are easy to generate; therefore, the addition amount of the dry powder is limited, and the smaller the residual quantity is, the smaller the influence on the quality of the finished product is, and the addition amount can also be greatly improved;
grinding the materials by taking water as a medium, fully absorbing water in the grinding process, solving the problems of unstable production and difficult control of process parameters caused by large water absorption amount and different components in dry powder addition, increasing the recovery addition amount to 30 percent, simultaneously not influencing the production stability, and stabilizing the preparation rate to more than 95 percent. If dry powder is added, the addition rate is only 80-85% by adding 30% of the dry powder, so that the addition ratio can only be reduced by a dry powder adding mode;
fourthly, the grinding efficiency is improved to the maximum extent through a continuous progressive mode of coarse crushing, fine crushing and water grinding, and the yield per day of a single set of equipment can reach 6-8 tons;
fifthly, the wastewater generated by filter pressing can repeatedly enter a water mill for use, and no wastewater is discharged;
sixthly, the core material finished product added with 30% of returned materials has the fire-proof grade reaching the A2 grade standard of GB8624-2012, the quality reaches the standard, meanwhile, the production cost is greatly reduced, the waste is reduced, and the effect of maximally recycling A2 grade fire-proof core material waste is achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of a core material waste high-efficiency circulation device.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
A high-efficiency circulating device for core material waste comprises a coarse crushing device 1, wherein the coarse crushing device 1 is a double-shaft shredder, the double-shaft shredder comprises an open work bin 101, two shredding rollers 102 which are arranged in the open work bin 101 in parallel, the two shredding rollers 102 are driven by two motors to rotate respectively, a discharge port of the coarse crushing device 1 is connected with one end of a first conveying belt 2, the other end of the first conveying belt 2 is arranged above a feed port of a dust removal box 14, the bottom of the dust removal box 14 is communicated with a feed port of a vertical type composite crusher 3 (Henan Hongxing mine machine limited company), one side of the dust removal box 14 is communicated with a dust collection bin 10 with a dust collector through a pipeline A11, the vertical type composite crusher 3 comprises a cylinder 31, a feed port arranged above the cylinder 31, an impeller 32 is arranged in the cylinder 31, the impeller 32 is driven by the motors to rotate, the waste treated by the vertical type composite crusher 3 is screened by a first screening device 4 and then conveyed into a ball mill 6 through, first device 4 that sieves includes first sieve case 41, be equipped with individual layer filter screen 42 in the first sieve case 41, first sieve case 41 is by motor drive vibration, use grindstone 61 as the ball-milling medium in the ball mill 6, the grindstone is high wear-resisting aluminium ball, ball mill 6 includes the rotary drum, the rotary drum both ends all are equipped with the rotation axis, the rotation axis rotates and sets up in the frame, the rotation axis is by motor drive, waste material after the abrasive material of ball mill 6 enters into second device 7 that sieves after the blowing from ball mill 6, second device 7 that sieves includes second sieve case 71, be equipped with double-deck filter screen 72 in second sieve case 71, second sieve case 71 is by motor drive, waste material after the second device 7 that sieves filters is arranged in pressure filter 8 middling pressure and is made into the cake, pressure filter 8 is plate and frame pressure filter, pressure filter 8 is equipped with and connects cistern 9, it communicates to the ball mill 6 through return water pipeline 12 to connect the waste water cistern.
Example 2
The core material waste recovering and producing process includes the following steps
S1, coarse crushing: crushing the waste plates into 30-50mm flaky crushed materials by using a double-shaft shredder, wherein two motors are used in the process, and the power of a single motor is 37 kw;
s2, fine crushing: further crushing the 30-50mm waste material obtained in the step S1 into small particles of 0-5mm by using a vertical hammer crusher, wherein the power of the vertical crusher is 30kw, and the rotating speed is 1475 r/min;
s3, filtering impurities by using a vibrating screen: the vibrating screen consists of two vibrating motors, the power of a single vibrating motor is 1.5kw, the vibration frequency is 1000 times/minute, the vibrating screen consists of a single-layer filter screen, and the aperture of the filter screen is 6 x 6 mm;
s4, conveying the 0-5mm small particles obtained in the step S3 into a ball mill through a conveying belt, grinding the waste into slurry by taking grinding stones and water as media, and adding the following components in proportion: 2 tons of core plate waste materials are 0-5mm, 3-4 tons of high-wear-resistant aluminum balls are 2 tons of water, and 0-5mm of core materials are ground into 100-200-mesh fine powder for 1-2 hours;
s5, discharging: introducing compressed air into the ball mill for discharging, wherein the pressure of the compressed air is 0.4-0.8MPa, and the discharging time is 10-15 min;
s6, further filtering impurities and large-particle substances by using a vibrating screen: the filter screen consists of two layers of filter screens, wherein the aperture of the upper layer of filter screen is 3 x 3mm, the aperture of the lower layer of filter screen is 1 x 1mm, and the impurity content of the filtered slurry is less than 0.1 percent;
s7, filter pressing: removing water from the slurry sieved by the S6 through a filter press, pressing the slurry into cakes under the pressure of 0.8-1.2MPa, wherein the water content is 15% -30%;
and S8, pumping the water extruded by the S7 filter press into a ball mill in S4 through a booster pump to realize water circulation.
The content of alumina in the high-wear-resistant aluminum balls is 92%, and the mixing proportion of the high-wear-resistant aluminum balls is as follows: 30-50mm in diameter and 70% in diameter, and 50-70mm in diameter and 30%.
It should be noted that, in conjunction with the apparatus and process, the working process of the apparatus and process of the present invention is described: a high-efficiency core roll waste recycling device comprises a coarse crushing device 1, wherein the coarse crushing device 1 is a double-shaft shredder, the double-shaft shredder comprises an open material box 101 and two shredding rollers 102 which are arranged in the open material box 101 in parallel, and the two shredding rollers 102 are driven by two motors (the power of the motors is 37 kw) to rotate respectively so as to shred waste plates into sheet crushed materials of 30-50 mm; the discharge port of the coarse crushing device 1 is connected with one end of a first conveyor belt 2, the other end of the first conveyor belt 2 is arranged above the feed port of a dust box 14, the cross section of the feed port of the dust box 14 is in an inverted trapezoid shape, the bottom of the dust box 14 is communicated with the feed port of a vertical composite crusher 3, one side of the dust box 14 is communicated with a dust collection bin 10 with a dust collector through a pipeline A11, a lot of dust can be generated when coarse waste is put into the vertical composite crusher 3, the dust is more harmful to human bodies, therefore, the dust box 14 is welded above the feed port of the vertical composite crusher 3, the dust is sucked into the dust collection bin 10 through the dust collector, the effect of primarily removing the dust is realized, the vertical composite crusher 3 comprises a barrel 31 and a feed port arranged above the barrel 31, an impeller 32 is arranged in the barrel 31, the impeller 32 is driven by a motor to rotate, the power of the motor is 30kw, and, further crushing the waste material of 30-50mm into small particles of 0-5 mm; the waste material treated by the vertical composite crusher 3 is sieved by a first sieving device 4 and then is conveyed into a ball mill 6 through a second conveyer belt 5, the first sieving device 4 comprises a first sieve box 41, a single-layer filter screen 42 is arranged in the first sieve box 41, the aperture of the filter screen is 6mm, the first sieve box 41 is driven by two motors to vibrate, the power of a single motor is 1.5kw, the vibration frequency is 1000 times/minute, in the process, in order to screen the waste material with larger particles, the waste material is continuously recycled into the vertical composite crusher 6 to be crushed to ensure that the particle size is in the range of 0-5mm, then small particles with the particle size of 0-5mm are conveyed into the ball mill 6 through the conveyer belt, the ball mill 6 comprises a rotary drum 61, two ends of the rotary drum 61 are both provided with rotary shafts 62, the rotary shafts 62 are rotationally arranged on a frame 63, the rotary shafts 62 are driven by the motors, the grinding stones 61 are used as ball milling media in the ball mill 6, grinding waste materials into slurry by taking high-wear-resistance aluminum balls and water as media, wherein the specific addition proportion is as follows: 2 tons (0-5 mm) of core plate waste materials, 3-4 tons of high-wear-resistant aluminum balls (the content of aluminum oxide is 92 percent), 2 tons of water are mixed by adopting the high-wear-resistant aluminum balls with different diameters according to the physical characteristics of the core material waste materials so as to achieve the best grinding efficiency, and the mixing proportion of the high-wear-resistant aluminum balls is as follows: 30-50mm in diameter and 70% in diameter, and 50-70mm in diameter and 30%. By adopting the high-alumina ball with the mixing proportion, the core material with the thickness of 0-5mm can be ground into 100-200-mesh fine powder, the grinding time is 1-2h, and the high-alumina ball is quick and efficient; introducing compressed air into the ball mill 6 for discharging, wherein the compressed air pressure is 0.4-0.8MPa, the discharging time is 10-15 minutes, discharging waste materials, then feeding the waste materials into a second sieving device 7, the second sieving device 7 comprises a second sieving box 71, a double-layer filtering net 72 is arranged in the second sieving box 71, the second sieving box 71 is driven by a motor, the aperture of an upper filtering net is 3mm, the aperture of a lower filtering net is 1mm, the impurity content of filtered slurry is less than 0.1%, the waste materials filtered by the second sieving device 7 are placed in a filter press 8 (Jingjin environmental protection Limited company) for removing water and then pressed into cakes, the filter press 8 is a plate and frame type filter press, the pressure is 0.8-1.2MPa, the cakes are pressed into cakes, and the water content is 15-30%; and finally, the waste materials pressed into cakes enter a recycling link, a plate-frame filter press is provided with a liquid receiving tank 9, and waste water generated in the liquid receiving tank 9 is pumped into the ball mill from a water return pipeline 12 by a booster pump 13 for recycling.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a high-efficient circulating device of core material waste material which characterized in that: including coarse crushing device (1), the discharge gate and first conveyer belt (2) one end of coarse crushing device (1) link up, first conveyer belt (2) other end sets up in the feed inlet top of dust removal case (14), the feed inlet intercommunication of dust removal case (14) bottom and vertical combined crusher (3), dust removal case (14) one side is passed through pipeline A (11) and is had dust catcher dust absorption storehouse (10) intercommunication, waste material after vertical combined crusher (3) are handled is passed through second conveyer belt (5) and is carried into ball mill (6) in sieving the back through first sieving device (4), uses abrasive stone (61) as the ball-milling medium in ball mill (6), and waste material after ball mill (6) abrasive material enters into second sieving device (7) after ball mill (6) blowing, the process waste material after second sieving device (7) filters is arranged in pressure filter (8) and is pressed into the cake, the filter press (8) is provided with a liquid receiving tank (9), waste water generated in the liquid receiving tank (9) is communicated into the ball mill (6) through a water return pipeline (12), and the water return pipeline (12) is provided with a booster pump (13).
2. The efficient recycling device for the core waste materials as claimed in claim 1, wherein: coarse crushing device (1) is biax shredder, biax shredder includes uncovered workbin (101), two shredding roller (102) of parallel arrangement in uncovered workbin (101), two shredding roller (102) are rotated by two motor drive respectively.
3. The efficient recycling device for the core waste materials as claimed in claim 1, wherein: the vertical type composite crusher (3) comprises a barrel (31) and a feeding port arranged above the barrel (31), wherein an impeller (32) is arranged in the barrel (31), and the impeller (32) is driven by a motor to rotate.
4. The efficient recycling device for the core waste materials as claimed in claim 1, wherein: first device (4) that sieves includes first sieve case (41), be equipped with single-deck filter screen (42) in first sieve case (41), first sieve case (41) are by motor drive vibration.
5. The efficient recycling device for the core waste materials as claimed in claim 1, wherein: the ball mill (6) comprises a rotary drum, rotary shafts are arranged at two ends of the rotary drum, the rotary shafts are rotatably arranged on the rack, and the rotary shafts are driven by a motor.
6. The efficient recycling device for the core waste materials as claimed in claim 1, wherein: the second sieving device (7) comprises a second sieve box (71), a double-layer filter screen (72) is arranged in the second sieve box (71), and the second sieve box (71) is driven by a motor.
7. The efficient recycling device for the core waste materials as claimed in claim 1, wherein: the filter press (8) is a plate and frame filter press.
8. The efficient recycling device for the core waste materials as claimed in claim 1, wherein: the grinding stone is a high-wear-resistance aluminum ball.
9. A core material waste recovery production process is characterized in that: comprises the following steps
S1, coarse crushing: crushing the waste plates into 30-50mm flaky crushed materials by using a double-shaft shredder, wherein two motors are used in the process, and the power of a single motor is 37 kw;
s2, fine crushing: further crushing the 30-50mm waste material obtained in the step S1 into small particles of 0-5mm by using a vertical hammer crusher, wherein the power of the vertical crusher is 30kw, and the rotating speed is 1475 r/min;
s3, filtering impurities by using a vibrating screen: the vibrating screen consists of two vibrating motors, the power of a single vibrating motor is 1.5kw, the vibration frequency is 1000 times/minute, the vibrating screen consists of a single-layer filter screen, and the aperture of the filter screen is 6 x 6 mm;
s4, conveying the 0-5mm small particles obtained in the step S3 into a ball mill through a conveying belt, grinding the waste into slurry by taking grinding stones and water as media, and adding the following components in proportion: 2 tons (0-5 mm) of core plate waste, 3-4 tons of high-wear-resistant aluminum balls and 2 tons of water are used, and the core material with the thickness of 0-5mm is ground into fine powder with the particle size of 100 meshes and 200 meshes, and the grinding time is 1-2 hours;
s5, discharging: introducing compressed air into the ball mill for discharging, wherein the pressure of the compressed air is 0.4-0.8MPa, and the discharging time is 10-15 min;
s6, further filtering impurities and large-particle substances by using a vibrating screen: the filter screen consists of two layers of filter screens, wherein the aperture of the upper layer of filter screen is 3 x 3mm, the aperture of the lower layer of filter screen is 1 x 1mm, and the impurity content of the filtered slurry is less than 0.1 percent;
s7, filter pressing: removing water from the slurry sieved by the S6 through a filter press, pressing the slurry into cakes under the pressure of 0.8-1.2MPa, wherein the water content is 15% -30%;
and S8, pumping the water extruded by the S7 filter press into a ball mill in S4 through a booster pump to realize water circulation.
10. The core material waste recycling production process according to claim 9, characterized in that: the content of alumina in the high-wear-resistant aluminum balls is 92%, and the mixing proportion of the high-wear-resistant aluminum balls is as follows: 30-50mm in diameter and 70% in diameter, and 50-70mm in diameter and 30%.
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| CN113976230A (en) * | 2021-11-18 | 2022-01-28 | 江苏脒诺甫纳米材料有限公司 | Fine processing technology and equipment for zircon sand |
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| CN108893615A (en) * | 2018-07-05 | 2018-11-27 | 郑州中科新兴产业技术研究院 | A method of metallic aluminium is recycled from aluminium ash |
| CN208852943U (en) * | 2018-09-11 | 2019-05-14 | 淮北花园新材料有限公司 | A kind of paper honeycomb ash wall body plate waste treatment device |
| CN110090718A (en) * | 2019-06-05 | 2019-08-06 | 山东鲁泰建材科技集团有限公司 | A kind of plate waste recovery systems and recovery method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108893615A (en) * | 2018-07-05 | 2018-11-27 | 郑州中科新兴产业技术研究院 | A method of metallic aluminium is recycled from aluminium ash |
| CN208852943U (en) * | 2018-09-11 | 2019-05-14 | 淮北花园新材料有限公司 | A kind of paper honeycomb ash wall body plate waste treatment device |
| CN110090718A (en) * | 2019-06-05 | 2019-08-06 | 山东鲁泰建材科技集团有限公司 | A kind of plate waste recovery systems and recovery method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113976230A (en) * | 2021-11-18 | 2022-01-28 | 江苏脒诺甫纳米材料有限公司 | Fine processing technology and equipment for zircon sand |
| CN113976230B (en) * | 2021-11-18 | 2023-07-28 | 江苏脒诺甫纳米材料有限公司 | Zircon sand refining processing technology and equipment |
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| CN112453032B (en) | 2024-05-07 |
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