CN110404620B - Waste recovery device for construction - Google Patents
Waste recovery device for construction Download PDFInfo
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- CN110404620B CN110404620B CN201910487975.4A CN201910487975A CN110404620B CN 110404620 B CN110404620 B CN 110404620B CN 201910487975 A CN201910487975 A CN 201910487975A CN 110404620 B CN110404620 B CN 110404620B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/286—Feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
Abstract
The invention discloses a waste recovery device for building construction, which aims at solving the problems that screening is not fine enough and magnetic materials in building waste are not easy to extract. The construction waste falls from the feed hopper, slowly falls under the obstruction of the stop lever, the cross bar and the spacer bar, and the electromagnet is started to adsorb magnetic materials, so that the construction waste is screened, and coarse aggregate, fine aggregate and micro powder are conveniently screened.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a waste recovery device for building construction.
Background
The building construction refers to production activities in the engineering construction implementation stage, and is a construction process of various buildings, a large amount of building wastes are generated in the building construction process, and a large number of refuse landfills do not recycle the building wastes, so that the building wastes are disorderly stacked and dumped, even occupy public roads, and have great influence, and therefore a waste recovery device for building construction is required to be used for recovering the wastes.
Through retrieval, chinese patent is granted No. CN107362855B, discloses a construction waste recovery device, which comprises a housing, a transverse partition plate fixedly connected between the inner walls of two sides of the housing, a stamping cylinder fixedly connected to the inner walls of two sides of the housing, a feeding port fixedly connected to the bottom of the stamping cylinder and the upper surface of the transverse partition plate.
The above patents suffer from the following disadvantages: the construction waste is not screened finely enough, and the magnetic material in the construction waste is not easily extracted, and the above patent cannot solve such problems, and therefore, a waste recycling device for construction is urgently needed to solve the above problems.
Disclosure of Invention
The invention provides a waste recovery device for building construction, which is based on the technical problems that a blackboard of an auxiliary device for high school mathematics teaching is poor in mobility, does not have a dust absorption function and is inconvenient to store.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a waste recovery device for construction, includes the box, the welding has the bin on the top outer wall of box, and the intermediate position welding of bin top outer wall has the feeder hopper, the position that one side outer wall of box is close to the bin is equipped with two rubbing crusher construct, box, bin and feeder hopper are linked together, the both ends of the top inner wall of bin all have a plurality of electro-magnets through the bolt fastening, the swash plate has all been welded to the both sides of bin bottom outer wall, and the one end of swash plate is located the inside of box, two dogs have all been welded to the both sides that bin top inner wall is close to the feeder hopper, and all have the pin, two on the bottom outer wall of four dogs all welded the horizontal pole has all been welded on one side outer wall of pin, and has a plurality of spacer bars on the relative one side outer wall of two horizontal poles.
As a still further scheme of the invention: rubbing crusher constructs including the motor case, and the motor case passes through the bolt fastening on one side outer wall of box, has the motor through the bolt fastening on one side inner wall of motor case, and the one end key-type connection of motor output shaft has the transmission shaft, and the one end of transmission shaft is passed the box and is located the inside of box, has cup jointed crushing roller on the circumference outer wall of transmission shaft, and the outer wall of two crushing rollers is laminated mutually.
As a still further scheme of the invention: an iron powder collecting box is welded on the outer wall of one side of the box body, which is close to the crushing roller, and an electromagnet group is fixed on the inner wall of the top of the iron powder collecting box through a bolt.
As a still further scheme of the invention: the inner wall of one side of the box body is hinged with a first-stage screen with the inclination of five to fifteen degrees, and the positions, close to two ends, of the outer wall of the bottom of the first-stage screen are fixed with a plurality of first vibrators through bolts.
As a still further scheme of the invention: the welding has the fixed plate on one side inner wall of box, and articulates on one side inner wall of box has the bending plate, and the bending plate is located the below of one-level screen cloth, and one side of fixed plate top outer wall has a plurality of spring boards through the bolt fastening, and the top of spring board all passes through the bolt fastening on the bottom outer wall of bending plate.
As a still further scheme of the invention: the electric sliding rail is fixed on the inner wall of one side of the box body through bolts, the sliding block is clamped on the inner wall of one side of the electric sliding rail, and the electric telescopic rod is fixed on the outer wall of one side of the sliding block through bolts.
As a still further scheme of the invention: the one end of electric telescopic handle extension rod has the connecting rod through the bolt fastening, and the grinding miller has been cup jointed to the one end of connecting rod.
As a still further scheme of the invention: the position that one side inner wall of box is close to the bottom articulates there is the level second grade screen cloth of placing, and the position that the bottom outer wall of second grade screen cloth is close to both ends has a plurality of second vibrators through the bolt fastening.
As a still further scheme of the invention: and a plurality of box doors with different sizes are hinged on the outer wall of one side of the box body.
As a still further scheme of the invention: the crushing roller is characterized by further comprising two material guide plates, wherein the two material guide plates are fixed on two sides of the inner wall of the top of the box body through bolts respectively and are located right above the crushing roller.
The invention has the beneficial effects that:
1. by the arrangement of the stop lever, the cross rod, the spacer bar, the inclined plate and the electromagnet, the construction waste falls from the feed hopper, slowly falls under the separation of the stop lever, the cross rod and the spacer bar, the electromagnet is started to adsorb magnetic materials, the magnetic materials move to two ends due to the adsorption of the electromagnet, and the inclined plate can prevent the construction waste entering the two sides by mistake from sliding off;
2. through the arranged motor, the crushing roller, the electromagnet group and the primary screen, the crushing roller is used for grinding the building waste into aggregate, the electromagnet group is used for adsorbing the magnetic material which is not adsorbed in the primary adsorption and is ground into the aggregate, and the primary screen can be used for screening the building waste, so that the coarse aggregate and the fine aggregate can be screened conveniently;
3. through the arrangement of the folding plate, the spring plate, the electric telescopic rod and the grinding wheel, a small gap is reserved between the folding plate and the inner wall of the box body, so that the crushed aggregate can fall down slowly conveniently, and then the grinding wheel is in contact with the inner wall of the box body to grind the aggregate, so that the aggregate becomes finer;
4. through the stock guide that sets up, the stock guide is located the both sides of smashing the roller top, makes things convenient for building waste material etc. to fall into to the centre of smashing the roller, conveniently smashes building waste material.
Drawings
FIG. 1 is a schematic sectional view showing a construction waste recycling apparatus according to an embodiment 1 of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of an embodiment 1 of a waste recycling apparatus for construction according to the present invention;
FIG. 3 is a schematic structural view of a stopper, a cross bar and a spacer bar of an embodiment 1 of the waste recycling apparatus for construction according to the present invention;
FIG. 4 is a schematic front view showing the construction of the waste recycling apparatus for construction according to embodiment 1 of the present invention;
fig. 5 is a schematic sectional view of a waste recycling device for construction according to embodiment 2 of the present invention.
In the figure: the device comprises a box body 1, a second-stage screen mesh 2, an electric telescopic rod 3, a fixing plate 4, a first-stage screen mesh 5, a crushing roller 6, an inclined plate 7, a motor box 8, a motor 9, a storage box 10, an electromagnet 11, a stop block 12, a feed hopper 13, a transmission shaft 14, an iron powder collecting box 15, an electromagnet group 16, a fold plate 17, a grinding wheel 18, an electric slide rail 19, a first vibrator 20, a spring plate 21, a connecting rod 22, a slide block 23, a second vibrator 24, a stop rod 25, a cross rod 26, a spacing rod 27, a box door 28 and a guide plate 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-4, a waste recycling device for building construction, comprising a box body 1, wherein a storage box 10 is welded on the outer wall of the top of the box body 1, a feed hopper 13 is welded in the middle position of the outer wall of the top of the storage box 10, two crushing mechanisms are arranged at the position of the outer wall of one side of the box body 1 close to the storage box 10, the box body 1, the storage box 10 and the feed hopper 13 are communicated, a plurality of electromagnets 11 are fixed at the two ends of the inner wall of the top of the storage box 10 through bolts, inclined plates 7 are welded at the two sides of the outer wall of the bottom of the storage box 10, one end of each inclined plate 7 is positioned in the box body 1, two stoppers 12 are welded at the two sides of the inner wall of the top of the storage box 10 close to the feed hopper 13, stopper rods 25 are welded on the outer walls of the bottoms of the four stoppers 12, cross rods 26 are welded on the outer wall of one side opposite to the two stopper rods 26, and a plurality of spacer rods 27 are welded on the outer wall of one side opposite to the outer wall of the two stopper rods 25, the construction waste is slowly thrown into the interior of the box body 1 through the feed hopper 13, then the electromagnet 11 is started to adsorb, the construction waste slowly falls into the box body 1 under the obstruction of the stop lever 25, the cross rod 26 and the spacing rod 27, and the electromagnet 11 adsorbs magnetic materials.
In the invention, the crushing mechanism comprises a motor box 8, the motor box 8 is fixed on the outer wall of one side of a box body 1 through bolts, a motor 9 is fixed on the inner wall of one side of the motor box 8 through bolts, one end of an output shaft of the motor 9 is connected with a transmission shaft 14 in a key mode, one end of the transmission shaft 14 penetrates through the box body 1 and is positioned in the box body 1, crushing rollers 6 are sleeved on the circumferential outer wall of the transmission shaft 14, the outer walls of the two crushing rollers 6 are jointed, an iron powder collecting box 15 is welded on the position, close to the crushing rollers 6, of the outer wall of one side of the box body 1, an electromagnet group 16 is fixed on the top inner wall of the iron powder collecting box 15 through bolts, a primary screen 5 with the inclination of five to fifteen degrees is hinged on the inner wall of one side of the box body 1, a plurality of first vibrators 20 are fixed on the positions, close to two ends, of the outer wall of the bottom of the primary screen 5 through bolts, two motors 9 are started, the motor 9 drives the transmission shaft 14 to rotate so as to drive the crushing rollers 6 to rotate, the construction waste is crushed and continues to fall down after being crushed into aggregates, the electromagnet group 16 is started to adsorb the crushed magnetic materials, the aggregates and the like fall down to the surface of the slightly inclined primary screen 5, the first vibrator 20 is started to vibrate, smaller aggregates are shaken down, and the aggregates larger than the apertures are left at the primary screen 5.
The inner wall of one side of the box body 1 is welded with a fixed plate 4, the inner wall of one side of the box body 1 is hinged with a folding plate 17, the folding plate 17 is positioned below the primary screen 5, one side of the outer wall of the top of the fixed plate 4 is fixed with a plurality of spring plates 21 through bolts, the top ends of the spring plates 21 are all fixed on the outer wall of the bottom of the folding plate 17 through bolts, the inner wall of one side of the box body 1 is fixed with an electric slide rail 19 through bolts, a slide block 23 is clamped on the inner wall of one side of the electric slide rail 19, an electric telescopic rod 3 is fixed on the outer wall of one side of the slide block 23 through bolts, one end of an extension rod of the electric telescopic rod 3 is fixed with a connecting rod 22 through bolts, one end of the connecting rod 22 is sleeved with a grinding wheel 18, the position of the inner wall of one side of the box body 1 close to the bottom is hinged with a horizontally placed secondary screen 2, and the position of the outer wall of the bottom of the secondary screen 2 close to the two ends is fixed with a plurality of second vibrators 24 through bolts, articulated on one side outer wall of box 1 have a plurality of chamber doors 28 that differ in size, start electronic slide rail 19, make slider 23 remove about, start electric telescopic handle 3, arrange grinding miller 18 in the inner wall of box 1, extrude the box 1 inner wall, grind the aggregate, then the aggregate continues to fall to second grade screen cloth 2 in, starts second vibrator 24 and vibrates once more, separates fine aggregate and miropowder.
When the device is used, construction waste is slowly put into the box body 1 through the feed hopper 13, then the electromagnet 11 is started to adsorb the construction waste, the construction waste is slowly dropped into the box body 1 under the obstruction of the stop lever 25, the cross bar 26 and the spacer bar 27, the electromagnet 11 adsorbs magnetic materials, the construction waste which is mistakenly put into two sides slides down through the inclined plate 7, then the two motors 9 are started, the motors 9 drive the transmission shaft 14 to rotate so as to drive the crushing roller 6 to rotate, the construction waste is crushed into bone materials and then continuously drops down, the electromagnet group 16 is started to adsorb the crushed magnetic materials, the bone materials and the like fall down to the surface of the slightly inclined primary screen 5, the first vibrator 20 is started to vibrate, smaller bone materials are shaken down, the bone materials with the diameter larger than the aperture are left at the primary screen 5, so that the coarse bone materials and fine bone materials are separated, the bone materials which fall down to the surface of the folded plate 17 slide down along the inner wall of the box body 1, the spring plate 21 enables the aggregates to fall more or less under the pressure state, then the electric slide rail 19 is started to enable the slide block 23 to move left and right, the electric telescopic rod 3 is started, the grinding wheel 18 is placed on the inner wall of the box body 1 to extrude the inner wall of the box body 1 to grind the aggregates, then the aggregates continuously fall into the secondary screen 2, the second vibrator 24 is started to vibrate again to separate the fine aggregates from the micro powder, the fine aggregates are left on the surface of the secondary screen 2, then the box door 28 is opened, and the coarse aggregates, the fine aggregates and the micro powder are taken out.
Example 2
Referring to fig. 5, the present embodiment of the waste recycling device for building construction, compared to embodiment 1, further includes guide plates 29, two guide plates 29 are respectively fixed on two sides of the inner wall of the top of the box body 1 by bolts, and the guide plates 29 are located right above the pulverizing rollers 6.
When the device is used, the guide plate 29 enables construction waste to move towards the middle of the crushing roller 6, so that the movement towards two sides of the box body 1 is avoided, and the construction waste can be conveniently and better crushed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The utility model provides a waste recycling device for construction, includes box (1), its characterized in that, fixedly connected with bin (10) on the top outer wall of box (1), and the intermediate position fixedly connected with feeder hopper (13) of bin (10) top outer wall, the position that one side outer wall of box (1) is close to bin (10) is equipped with two rubbing crusher constructs, box (1), bin (10) and feeder hopper (13) are linked together, the both ends of the top inner wall of bin (10) all are fixed with a plurality of electro-magnets (11) through the bolt, the both sides of bin (10) bottom outer wall all fixedly connected with swash plate (7), and the one end of swash plate (7) is located the inside of box (1), the both sides that bin (10) top inner wall is close to feeder hopper (13) all fixedly connected with two dog (12), the outer walls of the bottoms of the four check blocks (12) are all welded with stop rods (25), the outer wall of one side of each of the two stop rods (25) is welded with a transverse rod (26), and the outer wall of the opposite side of each of the two transverse rods (26) is welded with a plurality of spacer rods (27);
the crushing mechanism comprises a motor box (8), the motor box (8) is fixedly connected with the outer wall of one side of the box body (1) through bolts, a motor (9) is fixed on the inner wall of one side of the motor box (8) below the inclined plate (7) through bolts, one end of an output shaft of the motor (9) is connected with a transmission shaft (14) in a key mode, one end of the transmission shaft (14) penetrates through the box body (1) and is located inside the box body (1), crushing rollers (6) are sleeved on the outer wall of the circumference of the transmission shaft (14), and the outer walls of the two crushing rollers (6) are attached to each other;
an iron powder collecting box (15) is welded on the outer wall of one side of the box body (1) close to the crushing roller (6), and an electromagnet group (16) is fixed on the inner wall of the top of the iron powder collecting box (15) through a bolt;
a first-stage screen (5) with the inclination of five to fifteen degrees is hinged to the inner wall of one side of the box body (1) below the crushing roller (6), and a plurality of first vibrators (20) are fixed to the positions, close to two ends, of the outer wall of the bottom of the first-stage screen (5) through bolts;
the inner wall of one side of the box body (1) is welded with a fixing plate (4), the inner wall of one side of the box body (1) is hinged with a folded plate (17), the folded plate (17) is located below the primary screen (5), one side of the outer wall of the top of the fixing plate (4) is fixed with a plurality of spring plates (21) through bolts, and the top ends of the spring plates (21) are fixed on the outer wall of the bottom of the folded plate (17) through bolts;
an electric sliding rail (19) is fixed on the inner wall of one side of the box body (1) through a bolt, a sliding block (23) is clamped on the inner wall of one side of the electric sliding rail (19), and an electric telescopic rod (3) is fixed on the outer wall of one side of the sliding block (23) through a bolt;
one end of the extension rod of the electric telescopic rod (3) is fixed with a connecting rod (22) through a bolt;
a horizontally placed secondary screen (2) is hinged to the position, close to the bottom, of the inner wall of one side of the box body (1), a plurality of second vibrators (24) are fixed to the positions, close to the two ends, of the outer wall of the bottom of the secondary screen (2) through bolts, and a grinding wheel (18) is sleeved at one end of a connecting rod (22) between the fixing plate (4) and the secondary screen (2);
a plurality of box doors (28) with different sizes are hinged on the side outer wall of the box body (1);
the waste recovery device for building construction further comprises material guide plates (29), wherein the two material guide plates (29) are respectively fixed on two sides of the inner wall of the top of the box body (1) through bolts, and the material guide plates (29) are located right above the crushing rollers (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487975.4A CN110404620B (en) | 2019-06-05 | 2019-06-05 | Waste recovery device for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487975.4A CN110404620B (en) | 2019-06-05 | 2019-06-05 | Waste recovery device for construction |
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| CN110404620A CN110404620A (en) | 2019-11-05 |
| CN110404620B true CN110404620B (en) | 2021-10-01 |
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| CN201910487975.4A Active CN110404620B (en) | 2019-06-05 | 2019-06-05 | Waste recovery device for construction |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346700A (en) * | 2020-03-25 | 2020-06-30 | 安徽泓森物联网有限公司 | Rubbing crusher for agricultural processing convenient to get material |
| CN112044573A (en) * | 2020-08-31 | 2020-12-08 | 高峥嵘 | Construction waste treatment equipment for construction engineering and convenient for resource recovery |
| CN112246394A (en) * | 2020-09-24 | 2021-01-22 | 湖南诚至环保科技有限公司 | Environment-friendly tailing processing system |
| CN112439492A (en) * | 2020-11-04 | 2021-03-05 | 大江环境股份有限公司 | Residue solidification stabilizing method and equipment |
| CN112570281B (en) * | 2020-11-26 | 2022-06-21 | 利川市中远商砼有限责任公司 | Concrete aggregate production is with hierarchical screening installation |
| CN115415040A (en) * | 2022-09-28 | 2022-12-02 | 格林美（天津）城市矿产循环产业发展有限公司 | Automobile crushing and sorting device |
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| CN208839665U (en) * | 2018-08-18 | 2019-05-10 | 陕西丰盛德远实业有限公司 | - kind be used for building waste broken sorting Integrated Processing Unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1721183A (en) * | 1927-10-10 | 1929-07-16 | Mckain Edward | Grain cutter |
| CN104923336A (en) * | 2015-06-18 | 2015-09-23 | 苏晓玲 | Efficient material pumping pulverizer for producing ceramics |
| CN107497582A (en) * | 2017-09-21 | 2017-12-22 | 王书愚 | A kind of damping type building waste apparatus for crushing and treating |
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| CN110404620A (en) | 2019-11-05 |
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