CN115958047B

CN115958047B - Device and method for recycling boron carbide ceramic

Info

Publication number: CN115958047B
Application number: CN202211721716.1A
Authority: CN
Inventors: 孙少鹏; 孙朝辉; 王基峰; 邵博; 范丽丽; 徐登婉; 李幸渊
Original assignee: Zhengzhou Hengsheng Technology Co ltd
Current assignee: Zhengzhou Hengsheng Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-10-10
Anticipated expiration: 2042-12-30
Also published as: CN115958047A

Abstract

The invention relates to a device and a method for recycling boron carbide ceramics, wherein a reinforced limit support bearing is arranged at the central position of the bottom of a grinding stirring barrel, a bottom rotating shaft is movably arranged in the reinforced limit support bearing, the outer side of the bottom rotating shaft is fixedly connected with the output end of a speed reducing motor, the top of the bottom rotating shaft is connected with a top rotating shaft arranged in a mixed cleaning impurity removing barrel through a bidirectional bearing, a top driven rotating gear fixedly connected with the top rotating shaft is arranged above the top plate in a sleeved mode at the central position of the top plate, the top driven rotating gear is meshed with a driving rotating gear, the driving rotating gear is connected with the output end of the top rotating motor, a rotating impurity removing device is sleeved on the top rotating shaft, and a rotary crushing device is arranged on the bottom rotating shaft; the steps of screening, separating, classifying and recycling are not needed, the uniform and fine granularity of the crushing degree is more beneficial to the operation of recycling operation, materials with all granularity can be recycled, resources are saved, the recycling rate of the resources is improved, the recycling range is wide, the degree of sufficiency is high, and the defect that the original large particle waste cannot be recycled is avoided.

Description

Device and method for recycling boron carbide ceramic

Technical Field

The invention relates to the field of machinery, in particular to a device and a method for recycling boron carbide ceramics.

Background

The grinding waste is dangerous waste generated in the sapphire processing process, no effective recycling treatment method exists in China at present, and the waste cannot be properly treated and can only be discarded, so that a large amount of boron carbide is lost. The traditional preparation method of boron carbide is complex, the operation is complicated, and the energy consumption is huge. It is counted that 50000 degrees of electricity is required to be consumed per 1 ton of boron carbide feedstock produced. Thus, finding new sources of boron carbide and developing new methods of preparation are an urgent problem to be solved. In the prior art, chen Xiaoguang and the like invent a method for recycling boron carbide, grinding waste slurry is subjected to ultrasonic cleaning to obtain boron carbide suspension, acid washing or magnetic tank iron removal is carried out, and then alkali washing and centrifugal separation are carried out to obtain solid particles. And drying and grading the solid particles to obtain the recyclable boron carbide. The method can ensure that the recovery rate of boron carbide in the waste reaches more than 80 percent, and has low recovery cost and small secondary pollution. If the boron carbide in the grinding waste is recovered, the loss of the boron carbide is greatly reduced, and the recovered boron carbide is applied to the preparation of the sapphire grinding material or the sintering of the boron carbide, so that the production energy consumption can be reduced, and the pollution of the waste is reduced. Therefore, the recovery and purification of boron carbide in the grinding waste can become an emerging research direction and has great research value.

There are some problems to be solved in the conventional process of recycling boron carbide from sapphire waste, and these problems are concentrated in: firstly, in the traditional sapphire grinding waste, a solid shell is large and small, particle sizes are different, particle materials with different particle sizes are mixed together, when boron carbide recovery needs to be implemented, crushing and screening operations are needed to ensure that the boron carbide particle waste can be fully collected, and the traditional method is implemented after the boron carbide particle waste passes through a 200-mesh screen, so that certain resource waste is caused, a large part of the boron carbide waste cannot be recovered, and the boron carbide waste is filtered in the primary stage of the recovery operation, so that the resource waste is caused; secondly, the traditional boron carbide recovery and magnetic separation operation is finished after sieving again, then the pickling operation is carried out, the iron removal operation and the pickling operation are operated in different containers, the working procedure is complex, the whole operation process is complex, in the pickling process, the traditional method cannot ensure the thoroughly degree of pickling, and excessive impurities cannot be removed. And thirdly, in the traditional preparation method, the mixed grinding operation of an alkaline medium is needed, then the product is obtained by sintering, water-soluble and solid-liquid separation and then drying, the operation process of the product needs the cooperation of various devices, the integral recovery step is complex, the depending devices are more, and the integral process needs to be integrated.

In summary, the device and the method for recycling the boron carbide ceramic, which have the advantages of simple structure, convenient operation, high running stability coefficient, high continuous production efficiency, high working and running efficiency, few impurities, convenient purification and control, few equipment use, various equipment functions, reduced procedure operation, improved recycling efficiency, high raw material recycling rate, improved final recycling product quality, are simple and easy to operate, and have wide market prospects.

Disclosure of Invention

Aiming at the defects of the prior art, the device and the method for recycling the boron carbide ceramic, which are simple in structure, convenient to operate, high in running stability coefficient, high in working and running efficiency, few in impurities, convenient to purify and control, few in equipment use, various in equipment functions, capable of reducing procedure operation, improving recycling efficiency, high in raw material recycling rate, improving the quality of the final recycled product, simple and easy to operate, are provided.

The technical scheme of the invention is realized as follows: the utility model provides a retrieve boron carbide pottery's device, includes the grinding agitator of installing in the landing leg top, installs the mixing washs the edulcoration bucket at grinding agitator top, grinding agitator be hemispherical structure groove structure, install the spacing support bearing of strengthening in grinding agitator's bottom central point put, the spacing support bearing of strengthening in movable mounting have the bottom rotation axis, the bottom outside of bottom rotation axis is connected with gear motor's output fixed connection, the top of bottom rotation axis is connected with the top rotation axis of installing in mixing washs the edulcoration bucket through two-way bearing, the top fixed cover of top rotation axis is installed in the central point of roof put, install the driven rotary gear in top with the fixed connection of top rotation axis, the driven rotary gear in top meshes with initiative rotary gear, initiative rotary gear is connected with the output of top rotating electrical machines, the cover is equipped with rotatory edulcoration device on the top rotation axis, be provided with rotatory reducing device on the bottom rotation axis.

The rotary crushing device comprises a first rotary crushing grinding sheet, a second rotary crushing grinding sheet, a third rotary crushing grinding sheet and a fourth rotary crushing grinding sheet which are fixedly arranged on a bottom rotating shaft from bottom to top, a reinforced grinding layer matched with the first rotary crushing grinding sheet, the second rotary crushing grinding sheet, the third rotary crushing grinding sheet and the fourth rotary crushing grinding sheet is arranged on the inner wall of the grinding stirring barrel, the rotary impurity removing device comprises a top rotating seat arranged on the outer side of a top rotating shaft below a top plate, two electric push rods are symmetrically and fixedly arranged below the top rotating seat, the bottom output end of each electric push rod is fixedly connected with the top surface of a rotating frame, the inner side of the rotating frame is fixedly connected with the outer wall of a rotating frame bearing sleeved on the top rotating shaft, an impurity removing rotating ring cavity is fixedly arranged on the outer side of the rotating frame, and a strong magnet layer is fixedly arranged on the inner wall of the impurity removing rotating ring cavity.

The mixed cleaning and impurity removing barrel is of a cylindrical structure tubular structure, the bottom of the mixed cleaning and impurity removing barrel is provided with a reinforcing connecting disc, the top of the grinding stirring barrel is provided with an outward turning edge corresponding to the reinforcing connecting disc, the mixed cleaning and impurity removing barrel and the grinding stirring barrel are connected with each other through the outward turning edge and the reinforcing connecting disc, the reinforcing connecting disc is of an annular sheet structure, the bottom of the mixed cleaning and impurity removing barrel is fixedly arranged at the middle position of the top surface of the reinforcing connecting disc, the inner diameter of the mixed cleaning and impurity removing barrel is not less than the inner diameter of the reinforcing connecting disc, the inner diameter of the reinforcing connecting disc is not greater than the inner diameter of the top surface of the grinding stirring barrel, the middle upper position of the outer side of the mixed cleaning and impurity removing barrel is provided with a sealing maintenance opening and closing door, the middle position of the mixed cleaning and impurity removing barrel is communicated with a feed pipe with a first electromagnetic opening and closing valve, the middle of the mixed cleaning and impurity removing barrel is provided with a motor support.

The bottom symmetry of grinding agitator be provided with discharging pipe and filtration drain pipe, the top of discharging pipe and filtration drain pipe all is linked together with grinding agitator inner chamber, is provided with the second solenoid valve in the intercommunication position of discharging pipe and grinding agitator, is provided with the filter screen layer in the intercommunication position of filtration drain pipe and grinding agitator, installs the third solenoid valve on the filtration drain pipe of filter screen layer below, the top import symmetry of discharging pipe and filtration drain pipe sets up the grinding agitator bottom position in strengthening spacing support bearing both sides.

The rotating directions of the bottom rotating shaft and the top rotating shaft are opposite, the lengths of the bottom rotating shaft and the top rotating shaft are equal, the diameters of the bottom rotating shaft and the top rotating shaft are equal, the rotating speeds of the bottom rotating shaft and the top rotating shaft are equal, and the torques of the bottom rotating shaft and the top rotating shaft are equal.

The first rotary grinding sheet, the second rotary grinding sheet, the third rotary grinding sheet and the fourth rotary grinding sheet are fixedly connected with the outer wall of the bottom rotating shaft through the transverse supporting shaft, the first rotary grinding sheet is four, the four first rotary grinding sheets are uniformly distributed in the circumferential direction of the bottom rotating shaft, the second rotary grinding sheet is four, the four second rotary grinding sheets are uniformly distributed in the circumferential direction of the bottom rotating shaft, the third rotary grinding sheet is four, the fourth third rotary grinding sheet is uniformly distributed in the circumferential direction of the bottom rotating shaft, the fourth rotary grinding sheet is four, the fourth rotary grinding sheet is uniformly distributed in the circumferential direction of the bottom rotating shaft, the first rotary grinding sheet, the second rotary grinding sheet, the third rotary grinding sheet and the fourth rotary grinding sheet are all in a sector-shaped spherical structure which is identical with the inner wall of the grinding stirring barrel, the length of the top of the first rotary grinding sheet is not smaller than the length of the bottom of the first rotary grinding sheet, the length of the top rotary grinding sheet is not smaller than the length of the fourth rotary grinding sheet, the top rotary grinding sheet is mounted at the top of the fourth rotary grinding sheet is not smaller than the length of the fourth rotary grinding sheet is mounted, the mounting positions of the four first rotary crushing and grinding sheets and the mounting positions of the four second rotary crushing and grinding sheets are staggered, and the mounting positions of the four third rotary crushing and grinding sheets and the mounting positions of the four fourth rotary crushing and grinding sheets are staggered.

The thickness of the first rotary grinding sheet, the second rotary grinding sheet, the third rotary grinding sheet and the fourth rotary grinding sheet are equal, the length of the top surface of the first rotary grinding sheet is not greater than the length of the top surface of the second rotary grinding sheet, the length of the top surface of the second rotary grinding sheet is not greater than the length of the top surface of the third rotary grinding sheet, the length of the top surface of the third rotary grinding sheet is not greater than the length of the top surface of the fourth rotary grinding sheet, the longitudinal span of the first rotary grinding sheet is not less than the longitudinal span of the second rotary grinding sheet, the longitudinal span of the second rotary grinding sheet is not less than the longitudinal span of the third rotary grinding sheet, the top surface of the fourth rotary grinding sheet is positioned below the grinding stirring barrel, the distance between the outer wall of the fourth rotary grinding sheet and the inner wall of the stirring barrel is not less than the distance between the outer wall of the third rotary grinding sheet and the inner wall of the stirring barrel, the distance between the outer wall of the third rotary grinding sheet and the inner wall of the stirring barrel is not less than the distance between the outer wall of the second rotary grinding sheet and the inner wall of the stirring barrel is not less than the distance between the rotary grinding sheet and the outer wall of the grinding barrel is not less than the rotary grinding sheet and the inner wall of the grinding barrel is not less than the distance between the rotary grinding sheet and the outer wall of the grinding barrel is not less than the rotary grinding sheet is not than the distance between the outer wall and the grinding barrel is not than the grinding drum is not than the grinding sheet is located below

The utility model discloses a portable electric cleaning device, including top roating seat, wire connector that can rotatory power supply is installed in the top roating seat, two electric putter pass through wire and this wire connector electric connection, electric putter's stroke length is not less than the half of mixed cleaning edulcoration bucket height, the swivel mount is four, all be provided with the hole that leaks on four swivel mount, the equal fixed mounting in outer end of four swivel mount has edulcoration swivel ring chamber, four edulcoration swivel ring chamber equally distributes in the circumferencial direction of swivel mount bearing, edulcoration swivel ring chamber is cylindrical hollow structure, strong magnet layer fixed mounting is at the inner wall in edulcoration swivel ring chamber, strong magnet layer is the spiral cylindricality structure, and the front end internal diameter on strong magnet layer is not less than the rear end internal diameter, the installation direction on four strong magnet layers links up the correspondence each other first.

The method for recycling the boron carbide ceramic by using the device for recycling the boron carbide ceramic comprises the following steps:

1) Firstly adding boron carbide ceramic waste materials with different granularities into a grinding stirring barrel, starting a gear motor to implement grinding and crushing operations of the waste materials with different granularities, driving a bottom rotating shaft to rotate in a reinforced limit supporting bearing by the gear motor, driving a first rotary grinding sheet, a second rotary grinding sheet, a third rotary grinding sheet and a fourth rotary grinding sheet by the bottom rotating shaft to implement rotating operations, and implementing friction operations on the outer walls of a reinforced grinding layer and the first rotary grinding sheet, the second rotary grinding sheet, the third rotary grinding sheet and the fourth rotary grinding sheet while rotating to implement grinding on the boron carbide ceramic waste materials with different granularities;

2) The grinding operation is performed in the steps, water is injected into the grinding stirring barrel and the mixed cleaning impurity removing barrel, the electric push rod is started at the same time, the electric push rod drives the rotating frame to move downwards, the rotating frame drives the rotating frame bearing to move upwards and downwards at the top rotating shaft during the operation, the impurity removing rotating ring cavity falls below the liquid level during the downward moving operation, meanwhile, the strong magnet layer is ground below the liquid level by the liquid, at the moment, a top rotating motor is started, the top rotating motor drives a driving rotating gear to rotate, the driving rotating gear drives a driven rotating gear to rotate, the driven rotating gear drives a top rotating shaft to rotate, the top rotating shaft drives a top rotating seat to rotate, the top rotating seat drives an electric push rod to rotate, the electric push rod drives a rotating frame to rotate, the rotating frame drives a rotating frame bearing to rotate around the outer wall of the top rotating shaft, and the impurity removal rotating ring cavity starts to rotate;

3) The rotating direction of the top rotating shaft is opposite to the rotating direction of the bottom rotating shaft, when the impurity removing rotating ring cavity rotates, broken boron carbide ceramic waste materials with different granularities form a powdery structure with the same granularity, the crushed boron carbide ceramic waste materials are uniformly mixed in liquid under the centrifugal action through the bottoms of the first rotary crushing grinding piece, the second rotary crushing grinding piece, the third rotary crushing grinding piece and the fourth rotary crushing grinding piece, and the regular collection operation with different directions is implemented through the impurity removing rotating ring cavity at the upper part, and magnetic impurities are captured and adsorbed by the strong magnet layer when passing through the strong magnet layer on the inner wall of the impurity removing rotating ring cavity, so that the filtration of the magnetic impurities in the whole powder waste materials is realized;

4) After the filtering operation of magnetic impurities is carried out, the liquid is emptied, then acidic solution is injected into a grinding stirring barrel, a bottom rotating shaft is started, the acidic solution is stirred through a first rotary grinding sheet, a second rotary grinding sheet, a third rotary grinding sheet and a fourth rotary grinding sheet, and the powder subjected to magnetic impurities removal is subjected to further impurity removal operation while stirring;

5) Evacuating the liquid after the impurities are removed by the acid solution, then injecting alkaline solution into a grinding stirring barrel, starting a bottom rotating shaft, stirring the acid solution by a first rotary grinding sheet, a second rotary grinding sheet, a third rotary grinding sheet and a fourth rotary grinding sheet, and performing further impurity removal operation on the powder after the impurities are removed by the acid solution while stirring;

6) And (3) removing impurities through an alkaline solution, and controlling the liquid to obtain the final recovered powder.

The invention has the following positive effects: firstly, the invention can treat the grinding waste materials with different granularities, the grinding waste materials with different granularities are subjected to grinding and grinding operation in the product, waste material particles with the same granularity and thorough grinding can be obtained, the steps of screening, separating, classifying and recycling are not needed, the granularity with uniform and fine crushing degree is more favorable for the operation of recycling operation, materials with all granularities can be recycled, the resource is saved, the recycling rate of the resource is improved, the recycling range is wide, the sufficiency is high, and the defect that the original large-granularity waste materials can not be recycled is avoided; secondly, the invention realizes the synchronous operation of crushing and magnetic separation operation, carries out magnetic separation operation while crushing, mixes and crushes different particles to obtain particles with smaller granularity, carries out operation of removing iron impurities through strong magnets, greatly improves the working and operating efficiency, can be completed without carrying out operation in a plurality of different containers, saves equipment, shortens the process, reduces the difficulty of recovery process, improves the recovery efficiency, and simultaneously adopts the same equipment for carrying out pickling operation and magnetic separation operation, and greatly shortens the recovery period; and the invention does not need to independently implement the mixed grinding operation of alkaline substances, implements the crushing grinding operation on materials with different granularities in advance to reach the same standard, implements the magnetic separation, acid washing and alkali washing operations in the same container, implements the cleaning operation after each step, filters out redundant liquid, implements the operation of multiple working procedures by using the same equipment, reduces turnover and improves recovery efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic diagram of the internal structure of the present invention.

FIG. 3 is a second schematic view of the internal structure of the present invention.

FIG. 4 is a schematic diagram of a usage status structure of the present invention.

FIG. 5 is a second schematic view of the usage status structure of the present invention.

FIG. 6 is a schematic view of the cross-sectional structure A-A of FIG. 2 according to the present invention.

Fig. 7 is a schematic view of the internal structure of fig. 6 according to the present invention.

FIG. 8 is a schematic view of the cross-sectional B-B structure of FIG. 2 according to the present invention.

FIG. 9 is a schematic view of a reinforced polishing layer according to the present invention.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, a device for recovering boron carbide ceramics comprises a grinding stirring barrel 2 arranged above a supporting leg 1, a mixed cleaning impurity removing barrel 6 arranged at the top of the grinding stirring barrel 2, wherein the grinding stirring barrel 2 is of a hemispherical structure groove-shaped structure, a reinforced limit support bearing 37 is arranged at the central position of the bottom of the grinding stirring barrel 2, a bottom rotating shaft 24 is movably arranged in the reinforced limit support bearing 37, the outer side of the bottom rotating shaft 24 is fixedly connected with the output end of a speed reducing motor 5, the top of the bottom rotating shaft 24 is fixedly sleeved at the central position of a top plate 10 through a bidirectional bearing 22, a top driven rotating gear 11 fixedly connected with the top rotating shaft 17 is arranged above the top plate 10, the top driven rotating gear 11 is meshed with a driving rotating gear 12, the driving rotating gear 12 is connected with the output end of a top rotating motor 14, a rotating impurity removing device is sleeved on the top rotating shaft 17, and a rotating crushing device is arranged on the bottom rotating shaft 24. The rotary crushing device comprises a first rotary crushing grinding sheet 29, a second rotary crushing grinding sheet 28, a third rotary crushing grinding sheet 27 and a fourth rotary crushing grinding sheet 26 which are fixedly arranged on a bottom rotary shaft 24 from bottom to top, a reinforced grinding layer 30 matched with the first rotary crushing grinding sheet 29, the second rotary crushing grinding sheet 28, the third rotary crushing grinding sheet 27 and the fourth rotary crushing grinding sheet 26 is arranged on the inner wall of the grinding stirring barrel 2, the rotary impurity removing device comprises a top rotary seat 15 arranged on the outer side of a top rotary shaft 17 below a top plate 10, two electric push rods 16 are symmetrically and fixedly arranged below the top rotary seat 15, the bottom output end of each electric push rod 16 is fixedly connected with the top surface of a rotary frame 19, the inner side of the rotary frame 19 is fixedly connected with the outer wall of a rotary frame bearing 18 sleeved on the top rotary shaft 17, an impurity removing rotary ring cavity 20 is fixedly arranged on the outer side of the rotary frame 19, and a strong magnet layer 21 is fixedly arranged on the inner wall of the impurity removing rotary ring cavity 20.

The mixed cleaning and impurity removing barrel 6 is of a cylindrical tubular structure, a reinforcing connecting disc 23 is arranged at the bottom of the mixed cleaning and impurity removing barrel 6, an everting edge corresponding to the reinforcing connecting disc 23 is arranged at the top of the grinding and stirring barrel 2, the mixed cleaning and impurity removing barrel 6 and the grinding and stirring barrel 2 are connected with each other through the everting edge and the reinforcing connecting disc 23, the reinforcing connecting disc 23 is of an annular sheet-shaped structure, the bottom of the mixed cleaning and impurity removing barrel 6 is fixedly arranged at the middle position of the top surface of the reinforcing connecting disc 23, the inner diameter of the mixed cleaning and impurity removing barrel 6 is not smaller than the inner diameter of the reinforcing connecting disc 23, the inner diameter of the reinforcing connecting disc 23 is not larger than the inner diameter of the top surface of the grinding and stirring barrel 2, a sealing maintenance opening and closing door 9 is arranged at the middle upper middle position of the outer side of the mixed cleaning and impurity removing barrel 6, a feed pipe 7 with a first electromagnetic valve 34 is communicated at the middle position of the mixed cleaning and impurity removing barrel 6, a feed pipe 8 with an electromagnetic opening and closing valve 35 is arranged at the lower position of the middle of the mixed cleaning and impurity removing barrel 6, and a motor bracket 13 is arranged at the outer side of a top rotating motor 14. The bottom symmetry of grinding agitator 2 be provided with discharging pipe 3 and filter drain pipe 4, the top of discharging pipe 3 and filter drain pipe 4 all is linked together with grinding agitator 2 inner chamber, be provided with second solenoid valve 33 in discharging pipe 3 and grinding agitator 2's intercommunication position, be provided with filter screen layer 31 in the intercommunication position of filter drain pipe 4 and grinding agitator 2, install third solenoid valve 32 on the filter drain pipe 4 of filter screen layer 31 below, the top import symmetry of discharging pipe 3 and filter drain pipe 4 sets up the grinding agitator 2 bottom positions in strengthening spacing support bearing 37 both sides. The rotation directions of the bottom rotation shaft 24 and the top rotation shaft 17 are opposite, the lengths of the bottom rotation shaft 24 and the top rotation shaft 17 are equal, the diameters of the bottom rotation shaft 24 and the top rotation shaft 17 are equal, the rotation speeds of the bottom rotation shaft 24 and the top rotation shaft 17 are equal, and the torques of the bottom rotation shaft 24 and the top rotation shaft 17 are equal.

The first rotary grinding sheet 29, the second rotary grinding sheet 28, the third rotary grinding sheet 27 and the fourth rotary grinding sheet 26 are all fixedly connected with the outer wall of the bottom rotary shaft 24 through the transverse supporting shaft 25, the first rotary grinding sheet 29 is four, the four first rotary grinding sheets 29 are uniformly distributed in the circumferential direction of the bottom rotary shaft 24, the second rotary grinding sheet 28 is four, the four second rotary grinding sheets 28 are uniformly distributed in the circumferential direction of the bottom rotary shaft 24, the third rotary grinding sheet 27 is four, the four third rotary grinding sheets 27 are uniformly distributed in the circumferential direction of the bottom rotary shaft 24, the fourth rotary grinding sheet 26 is four, the four fourth rotary grinding sheets 26 are uniformly distributed in the circumferential direction of the bottom rotary shaft 24, the first rotary grinding sheet 29, the second rotary grinding sheet 28, the third rotary grinding sheet 27 and the fourth rotary grinding sheet 26 are all fan-shaped spherical structures which are matched with the inner wall of the stirring barrel 2, the length of the top of the first rotary grinding sheet 29 is not smaller than the length of the first rotary grinding sheet 29, the length of the top of the fourth rotary grinding sheet 29 is not smaller than the length of the third rotary grinding sheet 28 mounted at the top of the third rotary grinding sheet 27, the length of the top of the fourth rotary grinding sheet 27 is not smaller than the length of the third rotary grinding sheet 27 mounted at the top of the third rotary grinding sheet 27, the mounting positions of the four second rotary grinding and polishing plates 28 and the mounting positions of the four fourth rotary grinding and polishing plates 26 correspond to each other, the mounting positions of the four first rotary grinding and polishing plates 29 and the mounting positions of the four second rotary grinding and polishing plates 28 are staggered with each other, and the mounting positions of the four third rotary grinding and polishing plates 27 and the mounting positions of the four fourth rotary grinding and polishing plates 26 are staggered with each other.

The thickness of the first rotary grinding sheet 29, the second rotary grinding sheet 28, the third rotary grinding sheet 27 and the fourth rotary grinding sheet 26 are all equal, the length of the top surface of the first rotary grinding sheet 29 is not greater than the length of the top surface of the second rotary grinding sheet 28, the length of the top surface of the second rotary grinding sheet 28 is not greater than the length of the top surface of the third rotary grinding sheet 27, the length of the top surface of the third rotary grinding sheet 27 is not greater than the length of the top surface of the fourth rotary grinding sheet 26, the longitudinal span of the first rotary grinding sheet 29 is not less than the longitudinal span of the second rotary grinding sheet 28, the longitudinal span of the second rotary grinding sheet 28 is not less than the longitudinal span of the third rotary grinding sheet 27, the longitudinal span of the third rotary grinding sheet 27 is not less than the longitudinal span of the fourth rotary grinding sheet 26, and the top surface of the fourth rotary grinding sheet 26 is positioned below the top surface of the grinding stirring barrel 2. The distance between the outer wall of the fourth rotary crushing grinding sheet (26) and the inner wall of the grinding stirring barrel 2 is not smaller than the distance between the outer wall of the third rotary crushing grinding sheet 27 and the inner wall of the grinding stirring barrel 2, the distance between the outer wall of the third rotary crushing grinding sheet 27 and the inner wall of the grinding stirring barrel 2 is not smaller than the distance between the outer wall of the second rotary crushing grinding sheet 28 and the inner wall of the grinding stirring barrel 2, the distance between the outer wall of the second rotary crushing grinding sheet 28 and the inner wall of the grinding stirring barrel 2 is not smaller than the distance between the outer wall of the first rotary crushing grinding sheet 29 and the inner wall of the grinding stirring barrel 2, a wire connector capable of supplying power in a rotary way is arranged in the top rotary seat 15, two electric push rods 16 are electrically connected with the wire connector through wires, the stroke length of the electric push rod 16 is not less than half of the height of the mixed cleaning impurity removing barrel 6, four rotating frames 19 are arranged, water leakage holes 36 are formed in the four rotating frames 19, impurity removing rotating ring cavities 20 are fixedly arranged at the outer ends of the four rotating frames 19, the four impurity removing rotating ring cavities 20 are uniformly distributed in the circumferential direction of a rotating frame bearing 18, the impurity removing rotating ring cavities 20 are of cylindrical hollow structures, a strong magnet layer 21 is fixedly arranged on the inner wall of the impurity removing rotating ring cavity 20, the strong magnet layer 21 is of a spiral cylindrical structure, the inner diameter of the front end of the strong magnet layer 21 is not less than the inner diameter of the rear end of the strong magnet layer 21, and the installation directions of the four strong magnet layers 21 are mutually connected and correspond in a first position.

1) Firstly, adding boron carbide ceramic waste materials with different granularities into a grinding stirring barrel 2, starting a gear motor 5 to carry out grinding and crushing operations of the waste materials with different granularities, driving a bottom rotating shaft 24 to rotate in a reinforced limit supporting bearing 37 by the gear motor 5, driving a first rotary grinding sheet 29, a second rotary grinding sheet 28, a third rotary grinding sheet 27 and a fourth rotary grinding sheet 26 by the bottom rotating shaft 24 to carry out rotary operations, while rotating, the reinforcing polishing layer 30 performs a rubbing operation with the outer walls of the first, second, third, and fourth rotary pulverizing polishing plates 29, 28, 27, and 26, and performs polishing with respect to boron carbide ceramic wastes of different particle sizes;

2) At the same time of the grinding operation, water is injected into the grinding stirring barrel 2 and the mixed cleaning impurity removing barrel 6, meanwhile, the electric push rod 16 is started, the electric push rod 16 drives the rotary frame 19 to move downwards, the rotary frame 19 drives the rotary frame bearing 18 to move upwards and downwards at the top rotary shaft 17 during the operation, the impurity removing rotary ring cavity 20 falls below the liquid level during the downward moving operation, meanwhile, the strong magnet layer 21 is ground below the liquid level by liquid, the top rotary motor 14 is started at the moment, the top rotary motor 14 drives the driving rotary gear 12 to rotate, the driving rotary gear 12 drives the driven rotary gear 11 to rotate, the driven rotary gear 11 drives the top rotary shaft 17 to rotate, the top rotary seat 15 drives the electric push rod 16 to rotate, the electric push rod 16 drives the rotary frame 19 to rotate, the rotary frame 19 drives the rotary frame bearing 18 to rotate around the outer wall of the top rotary shaft 17, and the impurity removing rotary ring cavity 20 starts to rotate;

3) The rotating direction of the top rotating shaft 17 is opposite to the rotating direction of the bottom rotating shaft 24, when the impurity removing rotating ring cavity 20 rotates, broken boron carbide ceramic waste materials with different granularity form a powdery structure with the same granularity, the crushed boron carbide ceramic waste materials are stirred at the bottoms of the first rotary crushing grinding piece 29, the second rotary crushing grinding piece 28, the third rotary crushing grinding piece 27 and the fourth rotary crushing grinding piece 26, boron carbide ceramic waste materials with the same granularity of the powdery structure are uniformly mixed in liquid under the centrifugal action, and the regular collection operation with different directions is implemented through the upper impurity removing rotating ring cavity 20, and magnetic impurities are captured and adsorbed by the strong magnet layer 21 when passing through the strong magnet layer 21 on the inner wall of the impurity removing rotating ring cavity 20, so that the filtration of the magnetic impurities in the whole powder waste materials is realized;

4) After the magnetic impurity filtering operation is carried out, the liquid is emptied, then the acidic solution is injected into the grinding stirring barrel 2, the bottom rotating shaft 24 is started, the acid solution is stirred through the first rotary grinding sheet 29, the second rotary grinding sheet 28, the third rotary grinding sheet 27 and the fourth rotary grinding sheet 26, and the powder subjected to the magnetic impurity removal operation is further carried out while the stirring is carried out;

5) The liquid after the acid solution is used for removing impurities is emptied, then alkaline solution is injected into the grinding stirring barrel 2, the bottom rotating shaft 24 is started, the acid solution is stirred through the first rotary grinding sheet 29, the second rotary grinding sheet 28, the third rotary grinding sheet 27 and the fourth rotary grinding sheet 26, and the powder after the acid solution is used for removing impurities is subjected to further impurity removing operation while being stirred;

When the product specifically operates, firstly, the electromagnetic opening and closing valve 35 is opened, boron carbide ceramic waste materials with different granularities are added into the grinding stirring barrel 2 through the feeding pipe 8, feeding is implemented in a liquid mixing mode during feeding operation of the boron carbide ceramic waste materials 38 with different granularities, solid materials with different shells conveniently enter the grinding stirring barrel 2 smoothly, the feeding pipe 8 is arranged at the lower position of the middle part of the mixing cleaning impurity removing barrel 6, materials with different granularities mixed with liquid enter the grinding stirring barrel 2 after being discharged from the discharge hole position of the electromagnetic opening and closing valve 35, the inner edge of the reinforcing connecting disc 23 plays a role in top limiting and controlling material lifting in the rotary crushing process, and all materials are ground into smaller granularities in the grinding stirring barrel 2 below the reinforcing connecting disc 23. The outer wall of the reinforcing grinding layer 30 and the outer walls of the first rotary grinding and grinding sheet 29, the second rotary grinding and grinding sheet 28, the third rotary grinding and grinding sheet 27 and the fourth rotary grinding and grinding sheet 26 are supported by high-strength high-material, have strong hardness and grinding effect, ensure finer grinding operation on materials with different particles, and simultaneously, the interval between the outer wall of the fourth rotary grinding and grinding sheet 26 and the inner wall of the grinding and stirring barrel 2 is not smaller than the interval between the outer wall of the third rotary grinding and grinding sheet 27 and the inner wall of the grinding and stirring barrel 2, the distance between the outer wall of the third rotary grinding and polishing sheet 27 and the inner wall of the polishing agitator 2 is not smaller than the distance between the outer wall of the second rotary grinding and polishing sheet 28 and the inner wall of the polishing agitator 2, and the distance between the outer wall of the second rotary grinding and polishing sheet 28 and the inner wall of the polishing agitator 2 is not smaller than the distance between the outer wall of the first rotary grinding and polishing sheet 29 and the inner wall of the polishing agitator 2. The grinding of the different particles was performed with mutually different gaps, and the final particle size was achieved as a gap size between the outer wall of the first rotary grinding and polishing plate 29 and the inner wall of the grinding and stirring barrel 2, which was in the range of 200 mesh.

The middle part of the mixed cleaning impurity removing barrel 6 is communicated with a liquid inlet pipe 7 with a first electromagnetic valve 34, and when the water washing iron removing operation, the acid washing operation, the water washing operation after acid washing, the alkali washing operation and the cleaning operation after alkali washing are carried out, liquid feeding operation is carried out through the liquid inlet pipe 7. When the magnetic separation impurity cleaning operation is finished, the electric push rod 16 contracts the operation, the electric push rod 16 drives the rotary frame 19 to move upwards, the rotary frame 19 drives the rotary frame bearing 18 to move upwards on the top rotary shaft 17 during the operation, the impurity removal rotary ring cavity 20 is required to be lifted to be above the liquid level of the cleaning liquid 39 during the upward movement operation, the corrosion of acidic liquid and alkaline liquid to the strong magnet layer 21 is reduced, the influence of the acidic liquid and the alkaline liquid on magnetism is reduced, and the iron removal effect during the next use is ensured.

Claims

1. The utility model provides a retrieve device of boron carbide pottery, includes and installs grinding agitator (2) in landing leg (1) top, installs mixed cleaning edulcoration bucket (6) at grinding agitator (2) top, its characterized in that: the grinding stirring barrel (2) is of a hemispherical structure, a reinforced limit supporting bearing (37) is arranged at the central position of the bottom of the grinding stirring barrel (2), a bottom rotating shaft (24) is movably arranged in the reinforced limit supporting bearing (37), the outer side of the bottom rotating shaft (24) is fixedly connected with the output end of a speed reducing motor (5), the top of the bottom rotating shaft (24) is connected with a top rotating shaft (17) arranged in a mixed cleaning impurity removing barrel (6) through a bidirectional bearing (22), the upper part of the top rotating shaft (17) is fixedly sleeved at the central position of a top plate (10), a top driven rotating gear (11) fixedly connected with the top rotating shaft (17) is arranged above the top plate (10), the top driven rotating gear (11) is meshed with a driving rotating gear (12), the driving rotating gear (12) is connected with the output end of the top rotating motor (14), a rotating impurity removing device is sleeved on the top rotating shaft (17), and a rotating crushing device is arranged on the bottom rotating shaft (24); the rotary crushing device comprises a first rotary crushing grinding sheet (29), a second rotary crushing grinding sheet (28), a third rotary crushing grinding sheet (27) and a fourth rotary crushing grinding sheet (26) which are fixedly installed on a bottom rotary shaft (24) from bottom to top, wherein the inner wall of a grinding stirring barrel (2) is provided with a reinforced grinding layer (30) which is matched with the first rotary crushing grinding sheet (29), the second rotary crushing grinding sheet (28), the third rotary crushing grinding sheet (27) and the fourth rotary crushing grinding sheet (26), the rotary impurity removing device comprises a top rotary seat (15) which is installed on the outer side of a top rotary shaft (17) below a top plate (10), two electric push rods (16) are symmetrically and fixedly installed below the top rotary seat (15), the bottom output end of each electric push rod (16) is fixedly connected with the top surface of a rotary frame (19), the inner side of the rotary frame (19) is fixedly connected with the outer wall of a rotary frame bearing (18) which is sleeved on the top rotary shaft (17), the outer side of the rotary frame (19) is fixedly provided with a impurity removing ring (20), and the inner wall of the rotary ring (20) is fixedly provided with a strong magnet (20).

2. The apparatus and method for recovering boron carbide ceramic according to claim 1, wherein: the utility model provides a mix and wash edulcoration bucket (6) be cylindrical structure tubular structure, the bottom of mix and wash edulcoration bucket (6) is provided with and strengthens connection pad (23), be provided with the valgus edge corresponding with strengthening connection pad (23) at the top of grinding agitator (2), mix and wash between edulcoration bucket (6) and grinding agitator (2) through this valgus edge and strengthen connection pad (23) interconnect, strengthen connection pad (23) and be annular lamellar structure, the bottom fixed mounting of mix and wash edulcoration bucket (6) is in strengthening connection pad (23) top surface middle part position, the internal diameter of mix and wash edulcoration bucket (6) is not less than the internal diameter of strengthening connection pad (23), the internal diameter of strengthening connection pad (23) is not greater than the internal diameter of grinding agitator (2) top surface, mix and wash the middle part position intercommunication in the outside of edulcoration bucket (6) have feed liquor pipe (7) that have first solenoid valve (34), mix and wash the middle part of edulcoration bucket (6) and lean on the middle part lower position and be provided with motor (35) and open and shut (14) outside conveying pipe (13) of motor, the outside conveying pipe (13) is provided with maintenance support (14).

3. The apparatus and method for recovering boron carbide ceramic according to claim 1, wherein: the bottom symmetry of grinding agitator (2) be provided with discharging pipe (3) and filter drain pipe (4), the top of discharging pipe (3) and filter drain pipe (4) all is linked together with grinding agitator (2) inner chamber, be provided with second solenoid valve (33) in the intercommunication position of discharging pipe (3) and grinding agitator (2), be provided with filter screen layer (31) in the intercommunication position of filter drain pipe (4) and grinding agitator (2), install third solenoid valve (32) on filter drain pipe (4) of filter screen layer (31) below, the top import symmetry of discharging pipe (3) and filter drain pipe (4) sets up in the grinding agitator (2) bottom position of strengthening spacing support bearing (37) both sides.

4. The apparatus and method for recovering boron carbide ceramic according to claim 1, wherein: the rotating directions of the bottom rotating shaft (24) and the top rotating shaft (17) are opposite, the lengths of the bottom rotating shaft (24) and the top rotating shaft (17) are equal, the diameters of the bottom rotating shaft (24) and the top rotating shaft (17) are equal, the rotating speeds of the bottom rotating shaft (24) and the top rotating shaft (17) are equal, and the torques of the bottom rotating shaft (24) and the top rotating shaft (17) are equal.

5. The apparatus and method for recovering boron carbide ceramic according to claim 1, wherein: the first rotary grinding and polishing piece (29), the second rotary grinding and polishing piece (28), the third rotary grinding and polishing piece (27) and the fourth rotary grinding and polishing piece (26) are fixedly connected with the outer wall of the bottom rotary shaft (24) through the transverse supporting shaft (25), the first rotary grinding and polishing piece (29) is four, the first rotary grinding and polishing piece (29) is uniformly distributed in the circumferential direction of the bottom rotary shaft (24), the second rotary grinding and polishing piece (28) is four, the second rotary grinding and polishing piece (28) is uniformly distributed in the circumferential direction of the bottom rotary shaft (24), the third rotary grinding and polishing piece (27) is four, the fourth rotary grinding and polishing piece (26) is uniformly distributed in the circumferential direction of the bottom rotary shaft (24), the first rotary grinding and polishing piece (29), the second rotary grinding and polishing piece (28), the third rotary grinding and polishing piece (27) are uniformly distributed in the circumferential direction of the bottom rotary grinding and polishing piece (29) and the length of the fourth rotary grinding and polishing piece (27) is not uniform with the first rotary grinding and polishing piece (29) of the top grinding barrel, the length of the top of the second rotary grinding and polishing sheet (28) is not less than the length of the bottom of the second rotary grinding and polishing sheet (28), the length of the top of the third rotary grinding and polishing sheet (27) is not less than the length of the bottom of the third rotary grinding and polishing sheet (27), the length of the top of the fourth rotary grinding and polishing sheet (26) is not less than the length of the bottom of the fourth rotary grinding and polishing sheet (26), the installation positions of the four first rotary grinding and polishing sheets (29) and the installation positions of the four third rotary grinding and polishing sheets (27) correspond to each other, the installation positions of the four second rotary grinding and polishing sheets (28) and the installation positions of the four fourth rotary grinding and polishing sheets (26) correspond to each other, and the installation positions of the four first rotary grinding and polishing sheets (29) and the installation positions of the four fourth rotary grinding and polishing sheets (26) are staggered with each other.

6. The apparatus and method for recovering boron carbide ceramic according to claim 1, wherein: the thicknesses of the first rotary grinding sheet (29), the second rotary grinding sheet (28), the third rotary grinding sheet (27) and the fourth rotary grinding sheet (26) are all equal, the length of the top surface of the first rotary grinding sheet (29) is not greater than that of the top surface of the second rotary grinding sheet (28), the length of the top surface of the second rotary grinding sheet (28) is not greater than that of the top surface of the third rotary grinding sheet (27), the length of the top surface of the third rotary grinding sheet (27) is not greater than that of the top surface of the fourth rotary grinding sheet (26), the longitudinal span of the first rotary grinding sheet (29) is not less than that of the second rotary grinding sheet (28), the longitudinal span of the second rotary grinding sheet (28) is not less than that of the third rotary grinding sheet (27), the longitudinal span of the third rotary grinding sheet (27) is not less than that of the fourth rotary grinding sheet (26), and the top surface of the fourth rotary grinding sheet (26) is positioned below the stirring barrel (2); the distance between the outer wall of the fourth rotary crushing grinding sheet (26) and the inner wall of the grinding stirring barrel (2) is not smaller than the distance between the outer wall of the third rotary crushing grinding sheet (27) and the inner wall of the grinding stirring barrel (2), the distance between the outer wall of the third rotary crushing grinding sheet (27) and the inner wall of the grinding stirring barrel (2) is not smaller than the distance between the outer wall of the second rotary crushing grinding sheet (28) and the inner wall of the grinding stirring barrel (2), and the distance between the outer wall of the second rotary crushing grinding sheet (28) and the inner wall of the grinding stirring barrel (2) is not smaller than the distance between the outer wall of the first rotary crushing grinding sheet (29) and the inner wall of the grinding stirring barrel (2).

7. The apparatus and method for recovering boron carbide ceramic according to claim 1, wherein: the top roating seat (15) in install the connector that can rotatory power supply, two electric putter (16) pass through wire and this connector electric connection, the stroke length of electric putter (16) is not less than the half of mixing washs edulcoration bucket (6) height, swivel mount (19) are four, all be provided with on four swivel mount (19) and leak hole (36), the equal fixed mounting of outer end of four swivel mount (19) has edulcoration swivel housing (20), four edulcoration swivel housing (20) equal distribution is in the circumferencial direction of swivel mount bearing (18), edulcoration swivel housing (20) are cylindrical hollow structure, strong magnet layer (21) fixed mounting is at the inner wall of edulcoration swivel housing (20), strong magnet layer (21) are spiral cylindricality structure, and the front end internal diameter of strong magnet layer (21) is not less than the rear end internal diameter, the installation direction on four strong magnet layer (21) links up the correspondence each other first.

8. A method for recovering boron carbide ceramic by using the apparatus for recovering boron carbide ceramic according to claim 1, comprising the steps of:

1) Firstly, adding boron carbide ceramic waste materials with different granularities into a grinding stirring barrel (2), starting a speed reducing motor (5) to carry out grinding and crushing operations of the waste materials with different granularities, driving a bottom rotating shaft (24) to rotate in a reinforced limit supporting bearing (37) by the speed reducing motor (5), driving a first rotary grinding sheet (29), a second rotary grinding sheet (28), a third rotary grinding sheet (27) and a fourth rotary grinding sheet (26) to carry out rotating operations by the bottom rotating shaft (24), and carrying out friction operations on the outer walls of the reinforced grinding layer (30) and the first rotary grinding sheet (29), the second rotary grinding sheet (28), the third rotary grinding sheet (27) and the fourth rotary grinding sheet (26) while rotating, and carrying out grinding on the boron carbide ceramic waste materials with different granularities;

2) At the same time of the grinding operation in the step, water is injected into the grinding stirring barrel (2) and the mixed cleaning impurity removing barrel (6), meanwhile, an electric push rod (16) is started, the electric push rod (16) drives a rotating frame (19) to move downwards, the rotating frame (19) drives a rotating frame bearing (18) to move upwards and downwards at a top rotating shaft (17) during the operation, an impurity removing rotating ring cavity (20) falls below the liquid level during the downward operation, meanwhile, a strong magnet layer (21) is ground below the liquid level, at the moment, a top rotating motor (14) is started, the top rotating motor (14) drives a driving rotating gear (12) to rotate, the driving rotating gear (12) drives a driven rotating gear (11) to rotate, the driven rotating gear (11) drives a top rotating shaft (17) to rotate, the top rotating frame (17) is driven by the rotating frame (15) to drive the electric push rod (16) to rotate, the rotating frame (19) is driven by the rotating frame (19) to rotate, and the rotating frame bearing (18) rotates around the outer wall of the top rotating shaft (17) and the impurity removing rotating ring (20) starts to rotate;

3) The rotating direction of the top rotating shaft (17) is opposite to the rotating direction of the bottom rotating shaft (24), when the impurity removing rotating ring cavity (20) rotates, broken boron carbide ceramic waste materials with different granularity form a powdery structure with the same granularity, the crushed boron carbide ceramic waste materials are stirred at the bottoms of the first rotary crushing grinding piece (29), the second rotary crushing grinding piece (28), the third rotary crushing grinding piece (27) and the fourth rotary crushing grinding piece (26), boron carbide ceramic waste materials with the same granularity of the powdery structure are uniformly mixed in liquid under the centrifugal action, and the impurity removing rotating ring cavity (20) at the upper part performs regular collection operation in different directions, and magnetic impurities are captured and adsorbed by the strong magnet layer (21) when passing through the strong magnet layer (21) on the inner wall of the impurity removing rotating ring cavity (20), so that the filtration of the magnetic impurities in the whole powder waste materials is realized;

4) After the filtering operation of magnetic impurities is carried out, the liquid is emptied, then an acidic solution is injected into a grinding stirring barrel (2), a bottom rotating shaft (24) is started, the acid solution is stirred through a first rotary grinding sheet (29), a second rotary grinding sheet (28), a third rotary grinding sheet (27) and a fourth rotary grinding sheet (26), and the powder subjected to magnetic impurities removal is subjected to further impurity removal operation while being stirred;

5) Evacuating the liquid from which the impurities are removed by the acid solution, then injecting an alkaline solution into a grinding stirring barrel (2), starting a bottom rotating shaft (24), stirring the acid solution by a first rotary grinding sheet (29), a second rotary grinding sheet (28), a third rotary grinding sheet (27) and a fourth rotary grinding sheet (26), and simultaneously carrying out further impurity removal operation on the powder from which the impurities are removed by the acid solution;