CN111760620A - Construction engineering waste treatment device and using method - Google Patents
Construction engineering waste treatment device and using method Download PDFInfo
- Publication number
- CN111760620A CN111760620A CN202010539251.2A CN202010539251A CN111760620A CN 111760620 A CN111760620 A CN 111760620A CN 202010539251 A CN202010539251 A CN 202010539251A CN 111760620 A CN111760620 A CN 111760620A
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- fixedly connected
- box
- box body
- motor
- rotating shaft
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Classifications
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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
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
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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
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/40—Adding fluid, other than for crushing or disintegrating by fluid energy with more than one means for adding fluid to the material being crushed or disintegrated
-
- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention belongs to the technical field of constructional engineering, and particularly relates to a constructional engineering waste treatment device which comprises a fixed table, wherein the upper surface of the fixed table is fixedly connected with a supporting column, the top end of the supporting column is fixedly connected with a box body, and the upper surface of the box body is fixedly connected with a protective shell; according to the invention, by arranging the first motor, when a worker uses the device to treat the construction waste, the worker only needs to start the first motor through the control switch, and the first rotating shaft can drive the crushing roller to rotate under the matching of the first gear and the second gear, so that the purpose of crushing the construction waste is achieved.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a constructional engineering waste treatment device and a using method thereof.
Background
The civil construction is a general term of science and technology for building various engineering facilities, which refers to applied materials, equipment, and technical activities such as surveying, designing, constructing, maintaining and repairing, and also refers to an object of engineering construction, namely, various engineering facilities which are built on the ground or underground, on land or in water and directly or indirectly serve human life, production, military and scientific research.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a construction engineering waste treatment device and a using method thereof, which are convenient for workers to crush construction waste, have the function of screening the crushed construction waste and have the characteristic of being convenient for discharging the crushed construction waste.
In order to achieve the purpose, the invention provides the following technical scheme: a construction engineering waste treatment device comprises a fixed table, wherein a support column is fixedly connected to the upper surface of the fixed table, a box body is fixedly connected to the top end of the support column, a protective shell is fixedly connected to the upper surface of the box body, a fixed frame is fixedly connected to the inside of the protective shell, a first motor is fixedly connected to the inside of the fixed frame, a first gear is fixedly connected to an output shaft of the first motor, a bearing is arranged on the surface of the box body in a penetrating mode, a first rotating shaft is arranged inside the bearing in a penetrating mode, a second gear is fixedly connected to the top end of the first rotating shaft, the first gear is meshed with the second gear, a crushing roller is fixedly connected to the bottom end of the first rotating shaft, a feed port is fixedly connected to the side surface of the box body, a support plate is fixedly connected to the side surface of the box body, a water pump is fixedly connected, the inner wall fixedly connected with connecting pipe of box, the lower fixed surface of connecting pipe is connected with the shower nozzle, the other end and the connecting pipe fixed connection of aqueduct, the lower fixed surface of box is connected with the conveying storehouse, the inside fixedly connected with second motor in conveying storehouse, the bearing is worn to be equipped with in the inside in conveying storehouse, the inside at the bearing is worn to establish by the output shaft of second motor, the output shaft fixedly connected with second pivot of second motor, the fixed surface of second pivot is connected with helical blade, the lower fixed surface in conveying storehouse is connected with the bin outlet.
Preferably, the inside fixedly connected with of box supports soon, the support is fast totally two, and the symmetrical arrangement is at the inner wall of box, the spout has been seted up on the surface of the support soon, the inside of box is provided with the collecting box.
Preferably, the lower surface of the collection box is fixedly connected with a pulley, the pulley is movably connected inside the chute, a filter screen is inlaid on the surface of the collection box, the inner wall of the box is fixedly connected with a vibrator, and the other side of the vibrator is lapped on the side surface of the collection box.
Preferably, the bottom of crushing roller is provided with first funnel, first funnel fixed connection is at the inner wall of box, the bottom fixedly connected with second funnel of box inner wall, the bottom fixed connection of second funnel is at the upper surface in conveying storehouse.
Preferably, the number of the support columns is four, the support columns are arranged on the upper surface of the fixed table in a rectangular shape, the number of the second gears is two, the second gears are symmetrically arranged on two sides of the first gear, and the number of the feed ports is two, and the feed ports are symmetrically arranged on two sides of the box body.
Preferably, the surface of the box body is fixedly connected with a hinge, the box body is movably connected with a box door through the hinge, the surface of the box door is fixedly connected with a lock catch, and the other end of the lock catch is fixedly connected to the surface of the box body.
Preferably, an energy storage bin is arranged inside the fixed table, a storage battery is fixedly connected inside the energy storage bin, a control switch is fixedly connected to the surface of the box body, and a microprocessor is arranged inside the control switch.
A construction engineering waste treatment device and a using method thereof comprise the following steps:
the method comprises the following steps: building waste is injected into the box body through the feeding hole, the first motor is started through the control switch, the first rotating shaft drives the crushing roller to rotate, and the building waste is crushed;
step two: starting a water pump through a control switch, injecting external clear water into the connecting pipe through a water guide pipe, spraying the clear water into the box body through a spray head, and beginning to perform dust fall on the crushed construction waste;
step three: starting the vibrator through a control switch, driving the collecting box to vibrate by the vibrator, dropping fine particles in the collecting box, and starting to screen crushed construction waste;
step four: starting a second motor through a control switch, so that the second rotating shaft drives the helical blade to rotate, and discharging the crushed construction waste;
step five: and opening the lock catch, taking out the collecting box inside the box body, and crushing the building waste which is not completely crushed again.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the first motor, when a worker uses the device to treat the construction waste, the worker can drive the crushing roller to rotate by the first rotating shaft only by starting the first motor through the control switch under the matching of the first gear and the second gear, so that the aim of crushing the construction waste is fulfilled.
2. According to the invention, by arranging the vibrator, when a worker uses the device to treat the construction waste, the worker can drop the fine particles in the collecting box under the action of the vibrator only by controlling the switch to start the vibrator, so that the effect of screening the crushed construction waste is achieved.
3. According to the invention, by arranging the second motor, when a worker uses the device to treat the building materials, the worker can drive the helical blade to rotate by only starting the second motor through the control switch, so that the effect of discharging the building waste crushed in the conveying bin is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a front view cross section of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
in the figure: 1. a fixed table; 2. a support pillar; 3. a box body; 4. a protective shell; 5. a fixed mount; 6. a first motor; 7. a first gear; 8. a first rotating shaft; 9. a second gear; 10. a crushing roller; 11. a feed inlet; 12. a connecting pipe; 13. a spray head; 14. a support plate; 15. a water pump; 16. a water conduit; 17. a first hopper; 18. the supporting is fast; 19. a chute; 20. a pulley; 21. a collection box; 22. a vibrator; 23. a filter screen; 24. a second hopper; 25. a transfer bin; 26. a second motor; 27. a second rotating shaft; 28. a helical blade; 29. a discharge outlet; 30. a hinge; 31. a box door; 32. locking; 33. an energy storage bin; 34. a storage battery; 35. and controlling the switch.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions: a construction engineering waste treatment device comprises a fixed table 1, wherein a support column 2 is fixedly connected to the upper surface of the fixed table 1, a box body 3 is fixedly connected to the top end of the support column 2, a protective shell 4 is fixedly connected to the upper surface of the box body 3, a fixed frame 5 is fixedly connected to the inner part of the protective shell 4, a first motor 6 is fixedly connected to the inner part of the fixed frame 5, when a worker uses the device to treat construction waste, the worker only needs to start the first motor 6 through a control switch 35, and a first rotating shaft 8 can drive a crushing roller 10 to rotate under the matching of a first gear 7 and a second gear 9, so that the purpose of crushing the construction waste is achieved, the first gear 7 is fixedly connected to an output shaft of the first motor 6, and a bearing is arranged on the surface of the box body 3 in a penetrating mode, a first rotating shaft 8 penetrates through the bearing, a second gear 9 is fixedly connected to the top end of the first rotating shaft 8, the first gear 7 is meshed with the second gear 9, a crushing roller 10 is fixedly connected to the bottom end of the first rotating shaft 8, a feed inlet 11 is fixedly connected to the side face of the box body 3, a supporting plate 14 is fixedly connected to the side face of the box body 3, a water pump 15 is fixedly connected to the upper surface of the supporting plate 14, a water guide pipe 16 is fixedly connected to the side face of the water pump 15, a connecting pipe 12 is fixedly connected to the inner wall of the box body 3, a spray nozzle 13 is fixedly connected to the lower surface of the connecting pipe 12, the other end of the water guide pipe 16 is fixedly connected with the connecting pipe 12, a conveying bin 25 is fixedly connected to the lower surface of the box body 3, a second motor 26 is fixedly connected to the inside of the conveying bin 25, and by the arrangement of the second motor 26, the staff only needs to start second motor 26 through control switch 35, can make second pivot 27 drive helical blade 28 rotate to reached and carried out the exhaust effect with the inside construction waste who smashes of conveying bin 25, the bearing is worn to be equipped with in the inside of conveying bin 25, the inside at the bearing is worn to establish by the output shaft of second motor 26, the output shaft fixedly connected with second pivot 27 of second motor 26, the fixed surface of second pivot 27 is connected with helical blade 28, the lower fixed surface of conveying bin 25 is connected with bin outlet 29.
Specifically, the inside fixedly connected with of box 3 supports fast 18, support fast 18 totally two, and the symmetrical arrangement is in the inner wall of box 3, spout 19 has been seted up on the surface of supporting fast 18, the inside of box 3 is provided with collecting box 21.
Specifically, the lower fixed surface of collecting box 21 is connected with pulley 20, pulley 20 swing joint is in the inside of spout 19, the surface mosaic of collecting box 21 has filter screen 23, the inner wall fixedly connected with vibrator 22 of box 3 through setting up vibrator 22, and when the during-process that the staff used the device to handle construction waste, the staff only needed to start vibrator 22 through control switch 35, under vibrator 22's effect, can make the inside tiny granule of collecting box 21 fall to reached and carried out the effect of screening to the construction waste after smashing, the other side overlap joint of vibrator 22 is in the side of collecting box 21.
Specifically, the bottom of crushing roller 10 is provided with first funnel 17, first funnel 17 fixed connection is at the inner wall of box 3, the bottom fixedly connected with second funnel 24 of box 3 inner wall, the bottom fixed connection of second funnel 24 is at the upper surface that conveys storehouse 25.
Specifically, the number of the support columns 2 is four, the support columns are arranged on the upper surface of the fixed table 1 in a rectangular shape, the number of the second gears 9 is two, the second gears are symmetrically arranged on two sides of the first gear 7, the number of the feed ports 11 is two, and the second gears are symmetrically arranged on two sides of the box body 3.
Specifically, the fixed surface of box 3 is connected with hinge 30, box 3 has chamber door 31 through hinge 30 swing joint, the fixed surface of chamber door 31 is connected with hasp 32, the other end fixed connection of hasp 32 is on the surface of box 3.
Specifically, energy storage bin 33 has been seted up to fixed station 1's inside, the inside fixedly connected with battery 34 in energy storage bin 33, the fixed surface of box 3 is connected with control switch 35, control switch 35's inside is provided with microprocessor.
A construction engineering waste treatment device and a using method thereof comprise the following steps:
the method comprises the following steps: building waste is injected into the box body 3 through the feed inlet 11, the first motor 6 is started through the control switch 35, the first rotating shaft 8 drives the crushing roller 10 to rotate, and the building waste is crushed;
step two: the water pump 15 is started through the control switch 35, external clear water is injected into the connecting pipe 12 through the water guide pipe 16 and sprayed into the box body 3 through the spray head 13, and dust falling is carried out on the crushed construction waste;
step three: the vibrator 22 is started through the control switch 35, the vibrator 22 drives the collection box 21 to vibrate, fine particles in the collection box 21 fall off, and crushed construction waste begins to be screened;
step four: the second motor 26 is started through the control switch 35, so that the second rotating shaft 27 drives the helical blade 28 to rotate, and the crushed construction waste begins to be discharged;
step five: the lock 32 is opened, the collection container 21 inside the housing 3 is taken out, and the construction waste that has not been completely crushed is crushed again.
The working principle and the using process of the invention are as follows: when the device is used, firstly, the device is arranged at a proper position, when a worker uses the device to treat construction waste, firstly, the worker injects the construction waste into the box body 3 through the feed inlet 11, then, the worker starts the first motor 6 through the control switch 35, simultaneously, the first motor 6 drives the first gear 7 to rotate, under the coordination of the second gear 9, the first rotating shaft 8 drives the crushing roller 10 to rotate, so as to start crushing the construction waste, simultaneously, the worker starts the water pump 15 through the control switch 35, then, the water pump 15 injects external clean water into the connecting pipe 12 through the water guide pipe 16, then, the water is sprayed into the box body 3 through the spray head 13, so as to perform dust reduction on the crushed construction waste, simultaneously, the crushed construction waste is injected into the collecting box 21 through the first hopper 17, then start vibrator 22 through control switch 35, vibrator 22 drives collecting box 21 simultaneously and shakes, then the tiny granule drops through filter screen 23 in the inside of second funnel 24 to get into the inside of conveying storehouse 25, starts second motor 26 through control switch 35 simultaneously, and then second motor 26 drives helical blade 28 through second pivot 27 and rotates, discharges the waste material after will smashing through bin outlet 29, thereby accomplishes the course of treatment to construction waste.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a building engineering waste material processing apparatus, includes fixed station (1), its characterized in that: the upper surface of the fixed table (1) is fixedly connected with a support column (2), the top end of the support column (2) is fixedly connected with a box body (3), the upper surface of the box body (3) is fixedly connected with a protective shell (4), the interior of the protective shell (4) is fixedly connected with a fixed frame (5), the interior of the fixed frame (5) is fixedly connected with a first motor (6), an output shaft of the first motor (6) is fixedly connected with a first gear (7), a bearing is arranged on the surface of the box body (3) in a penetrating manner, a first rotating shaft (8) is arranged inside the bearing in a penetrating manner, the top end of the first rotating shaft (8) is fixedly connected with a second gear (9), the first gear (7) is meshed with the second gear (9), the bottom end of the first rotating shaft (8) is fixedly connected with a crushing roller (10), and the side surface of the box body (3) is fixedly connected with, the side of the box body (3) is fixedly connected with a supporting plate (14), the upper surface of the supporting plate (14) is fixedly connected with a water pump (15), the side of the water pump (15) is fixedly connected with a water guide pipe (16), the inner wall of the box body (3) is fixedly connected with a connecting pipe (12), the lower surface of the connecting pipe (12) is fixedly connected with a spray head (13), the other end of the water guide pipe (16) is fixedly connected with the connecting pipe (12), the lower surface of the box body (3) is fixedly connected with a conveying bin (25), the inside of the conveying bin (25) is fixedly connected with a second motor (26), a bearing is arranged in the conveying bin (25) in a penetrating manner, an output shaft of the second motor (26) is arranged in the bearing in a penetrating manner, the output shaft of the second motor (26) is fixedly connected with a second rotating shaft (27), and the surface of the second rotating shaft, the lower surface of the conveying bin (25) is fixedly connected with a discharge outlet (29).
2. The construction engineering waste treatment device according to claim 1, wherein: the inside fixedly connected with of box (3) supports fast (18), support fast (18) totally two, and the symmetrical arrangement is in the inner wall of box (3), spout (19) have been seted up on the surface of supporting fast (18), the inside of box (3) is provided with collecting box (21).
3. The construction engineering waste treatment device according to claim 2, wherein: the lower surface fixedly connected with pulley (20) of collecting box (21), pulley (20) swing joint is in the inside of spout (19), the surface mosaic of collecting box (21) has filter screen (23), the inner wall fixedly connected with vibrator (22) of box (3), the other side overlap joint of vibrator (22) is in the side of collecting box (21).
4. The construction engineering waste treatment device according to claim 1, wherein: the bottom of crushing roller (10) is provided with first funnel (17), first funnel (17) fixed connection is at the inner wall of box (3), the bottom fixedly connected with second funnel (24) of box (3) inner wall, the bottom fixed connection of second funnel (24) is at the upper surface that conveys storehouse (25).
5. The construction engineering waste treatment device according to claim 1, wherein: the support columns (2) are four in number and are arranged on the upper surface of the fixed table (1) in a rectangular mode, the second gears (9) are two in number and are symmetrically arranged on two sides of the first gear (7), the feed inlets (11) are two in number and are symmetrically arranged on two sides of the box body (3).
6. The construction engineering waste treatment device according to claim 1, wherein: the surface fixed connection of box (3) has hinge (30), box (3) have chamber door (31) through hinge (30) swing joint, the surface fixed connection of chamber door (31) has hasp (32), the other end fixed connection of hasp (32) is on the surface of box (3).
7. The construction engineering waste treatment device according to claim 6, wherein: energy storage bin (33) have been seted up to the inside of fixed station (1), the inside fixedly connected with battery (34) in energy storage bin (33), the fixed surface of box (3) is connected with control switch (35), the inside of control switch (35) is provided with microprocessor.
8. A method of using the construction work waste disposal apparatus according to any one of claims 1 to 7, wherein: the method comprises the following steps:
the method comprises the following steps: building waste is injected into the box body (3) through the feed inlet (11), the first motor (6) is started through the control switch (35), the first rotating shaft (8) drives the crushing roller (10) to rotate, and the building waste is crushed;
step two: the water pump (15) is started through the control switch (35), external clean water is injected into the connecting pipe (12) through the water guide pipe (16) and sprayed into the box body (3) through the spray head (13), and dust falling is carried out on the crushed construction waste;
step three: the vibrator (22) is started through the control switch (35), the vibrator (22) drives the collection box (21) to vibrate, fine particles in the collection box (21) fall off, and crushed construction waste is screened;
step four: the second motor (26) is started through the control switch (35), so that the second rotating shaft (27) drives the spiral blade (28) to rotate, and crushed construction waste begins to be discharged;
step five: the lock catch (32) is opened, the collecting box (21) in the box body (3) is taken out, and the construction waste which is not completely crushed is crushed again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010539251.2A CN111760620A (en) | 2020-06-14 | 2020-06-14 | Construction engineering waste treatment device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010539251.2A CN111760620A (en) | 2020-06-14 | 2020-06-14 | Construction engineering waste treatment device and using method |
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| Publication Number | Publication Date |
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| CN111760620A true CN111760620A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010539251.2A Pending CN111760620A (en) | 2020-06-14 | 2020-06-14 | Construction engineering waste treatment device and using method |
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| CN (1) | CN111760620A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112718124A (en) * | 2020-12-29 | 2021-04-30 | 夏立新 | Civil engineering construction waste treatment device |
| CN113492028A (en) * | 2021-05-31 | 2021-10-12 | 蒋涛涛 | Energy-conserving recovery processing device of solid waste convenient to waste material is broken |
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| CN208230010U (en) * | 2018-01-19 | 2018-12-14 | 丁武轩 | The construction material crushing and processing device of Multistage damping |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101773385B1 (en) * | 2016-07-13 | 2017-08-31 | 이유경 | Pepper Pulverizer |
| CN206622313U (en) * | 2017-03-15 | 2017-11-10 | 王平宇 | A kind of building sandstone processing unit for being easy to screening |
| CN206676430U (en) * | 2017-04-30 | 2017-11-28 | 赵炳� | A kind of building rubbish treatment device |
| CN208230010U (en) * | 2018-01-19 | 2018-12-14 | 丁武轩 | The construction material crushing and processing device of Multistage damping |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112718124A (en) * | 2020-12-29 | 2021-04-30 | 夏立新 | Civil engineering construction waste treatment device |
| CN113492028A (en) * | 2021-05-31 | 2021-10-12 | 蒋涛涛 | Energy-conserving recovery processing device of solid waste convenient to waste material is broken |
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Application publication date: 20201013 |