CN112058439A - Environment-friendly construction waste treatment device - Google Patents
Environment-friendly construction waste treatment device Download PDFInfo
- Publication number
- CN112058439A CN112058439A CN202010874763.4A CN202010874763A CN112058439A CN 112058439 A CN112058439 A CN 112058439A CN 202010874763 A CN202010874763 A CN 202010874763A CN 112058439 A CN112058439 A CN 112058439A
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- Prior art keywords
- vertical
- fixed
- horizontal
- crushing
- stirring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
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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
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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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)
Abstract
The invention discloses an environment-friendly construction waste treatment device which comprises a crushing main body, a feeding cylinder, a discharging cylinder, spray pipes, a left end cover, a right end cover, a crushing motor, a crushing cylinder, a wear-resistant waveform lining plate, a screen and a charging part, wherein a vertical feeding cylinder is fixed at the upper part of the crushing main body, a vertical discharging cylinder is fixed at the bottom of the crushing main body, and two horizontal spray pipes are fixed at the bottom of the crushing main body. The automatic screening machine is simple in overall structure, high in automation degree and convenient to assemble, disassemble and maintain, and can select and use a proper screen according to requirements so as to screen crushed construction waste, the spray pipes can settle dust generated in the crushing process so as to reduce dust pollution generated in the blanking process, and the belt conveyor can swing left and right in a reciprocating manner under the driving of the variable frequency motor so as to be matched with a plurality of production lines for use, so that the production efficiency can be improved.
Description
Technical Field
The invention relates to a garbage disposal device, in particular to an environment-friendly building garbage disposal device.
Background
The construction waste refers to dregs, spoil, waste materials, silt and other wastes generated in the process of building, laying, dismantling or repairing various buildings, structures, pipe networks and the like by construction units or individuals, the whole volume of the construction waste is large, the construction waste can occupy a large amount of public space by random stacking, and a great deal of harm can be generated if the construction waste is directly buried, so the construction waste with large volume is needed to be crushed, and the traditional environment-friendly construction waste treatment device has the advantages of simple integral structure, single function, poor crushing treatment effect on the construction waste, low production efficiency, low practical value and obvious defects of the traditional environment-friendly construction waste treatment device.
Disclosure of Invention
The invention aims to provide an environment-friendly construction waste treatment device to solve the technical problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
an environment-friendly construction waste treatment device comprises a crushing main body, a feeding cylinder, a discharging cylinder, a spraying pipe, a left end cover, a right end cover, a crushing motor, a crushing cylinder, a wear-resistant waveform lining plate, a screen and a charging part, wherein a vertical feeding cylinder is fixed on the upper part of the crushing main body, a vertical discharging cylinder is fixed at the bottom of the crushing main body, two horizontal spraying pipes are fixed at the bottom of the crushing main body, a vertical left end cover is installed at the left end of the crushing main body through a bolt, a vertical right end cover is installed at the right end of the crushing main body through a bolt, a horizontal crushing motor is fixed in the middle of the right end cover, a horizontal crushing cylinder is installed on a rotating shaft of the crushing motor through a bolt, a horizontal wear-resistant waveform lining plate is installed inside the crushing main body through a bolt, and a horizontal screen is installed at the bottom of the wear-, a charging part is arranged below the crushing main body.
On the basis of the technical scheme, the charging part comprises a rear mounting rack, a stirring speed reducing motor, a stirring roller, a stirring groove, a placing plate, a placing barrel, a charging barrel, a stirring claw, a stirring plate, a stirring column and a transporting part, wherein a vertical rear mounting rack is arranged below the crushing main body, a horizontal stirring speed reducing motor is arranged in the middle of the rear mounting rack, a horizontal stirring roller is fixed on a rotating shaft of the stirring speed reducing motor, the stirring roller is provided with the stirring groove, a vertical placing plate is fixed at the upper end of the rear mounting rack, a vertical placing barrel is fixed at the upper end of the placing plate, a plurality of vertical charging barrels are arranged in the placing barrel, a vertical stirring claw is arranged in the middle of the placing plate through a bearing, a horizontal stirring plate is fixed at the bottom end of the stirring claw, a plurality of vertical stirring columns are fixed at the upper end of the stirring plate, a transport section is mounted in front of the placement tray.
On the basis of the technical scheme, the transportation part comprises a middle mounting frame, a middle mounting seat, a belt conveyer, a sliding rail, an upper sliding seat, a front mounting frame, a variable frequency motor, an upper sliding rod, a middle sliding seat, a lower sliding rod, a lower sliding seat and a connecting plate, wherein the vertical middle mounting frame is installed in front of the rear mounting frame, the vertical middle mounting seat is installed at the upper end of the middle mounting frame, the horizontal belt conveyer is hinged above the middle mounting seat through a bearing, the horizontal sliding rail is fixed at the front part of the bottom end of the belt conveyer, the horizontal upper sliding seat is connected on the sliding rail in a sliding way, the front mounting seat is installed at the bottom of the upper sliding seat through a bearing, the vertical front mounting frame is installed below the front mounting seat, the middle part of the front mounting frame is fixed with the horizontal variable frequency motor, anterior mounting bracket upper portion is fixed with a horizontally slide bar of going up, sliding connection has a horizontally well sliding seat on the slide bar of going up, it is fixed with well sliding seat top to go up the sliding seat bottom, well sliding seat bottom mounting has a vertical lower slide bar, sliding connection has a vertical lower sliding seat on the lower slide bar, it has a vertical connecting plate to articulate on the lower sliding seat, connecting plate upper portion is fixed mutually with inverter motor's pivot.
On the basis of the technical scheme, two the shower passes through the external pump machine of rubber water pipe, stir the groove can with stir post lock joint, it can drive through stirring gear motor's drive and stir a set horizontal intermittent type rotatory to dial the roller, can drive the connecting plate rotation from top to bottom after the inverter motor circular telegram, the connecting plate can drive down the sliding seat and slide from top to bottom along the lower slide bar at the in-process of rotation from top to bottom, and can drive well sliding seat along last slide bar horizontal slip, well sliding seat can drive the sliding seat and slide along the sliding rail front and back at the in-process of horizontal slip, and can make belt conveyor along mid-mounting seat horizontal hunting.
Compared with the prior art, the invention has the following advantages: the automatic screening machine is simple in overall structure, high in automation degree and convenient to assemble, disassemble and maintain, and can select and use a proper screen according to requirements so as to screen crushed construction waste, the spray pipes can settle dust generated in the crushing process so as to reduce dust pollution generated in the blanking process, and the belt conveyor can swing left and right in a reciprocating manner under the driving of the variable frequency motor so as to be matched with a plurality of production lines for use, so that the production efficiency can be improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the installation of the left and right end caps of the present invention.
Fig. 3 is a schematic structural view of the placing tray of the present invention.
Fig. 4 is a schematic view of the installation of the belt conveyor of the present invention.
In the figure: 1. crushing main part, 2, a feeding section of thick bamboo, 3, the blow-off cylinder, 4, the shower, 5, the left end lid, 6, the right-hand member lid, 7, crushing motor, 8, crushing section of thick bamboo, 9, wear-resisting wave form welt, 10, the screen cloth, 11, the part of feeding, 12, rear portion mounting bracket, 13, stir gear motor, 14, stir the roller, 15, stir the groove, 16, place the dish, 17, place the section of thick bamboo, 18, the charging bucket, 19, stir claw, 20, stir the dish, 21, stir the post, 22, the transportation part, 23, middle part mounting bracket, 24, middle part mounting bracket, 25, belt conveyer, 26, the slide rail, 27, last slide shoe, 28, anterior mount shoe, 29, anterior mounting bracket, 30, inverter motor, 31, go up slide bar, 32, well slide shoe, 33, lower slide bar, 34, lower slide shoe, 35, the connecting plate.
Detailed Description
The invention is explained in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1-4, an environmental protection construction waste treatment device, including smashing main part 1, feed cylinder 2, row of material section of thick bamboo 3, shower 4, left end lid 5, right-hand member lid 6, crushing motor 7, crushing section of thick bamboo 8, wear-resisting wave form welt 9, screen cloth 10, the part of charging 11, its characterized in that: smash 1 upper portion of main part and be fixed with a vertical feeding section of thick bamboo 2, smash 1 bottom of main part and be fixed with a vertical row of material section of thick bamboo 3, smash 1 bottom of main part and be fixed with two horizontally shower 4, smash 1 left end of main part and install a vertical left end lid 5 through the bolt, smash 1 right-hand member of main part and install a vertical right-hand member lid 6 through the bolt, 6 right-hand member middle parts of right end lid are fixed with a horizontally crushing motor 7, install a horizontally crushing section of thick bamboo 8 through the bolt in crushing motor 7's the pivot, smash 1 inside bolt-mounting of main part and have a horizontally wear-resisting wave form welt 9, a horizontally screen cloth 10 is installed through the bolt in wear-resisting wave form welt 9 bottoms, smash 1 below of main part and install a part.
The charging part 11 comprises a rear mounting frame 12, a stirring speed reducing motor 13, a stirring roller 14, a stirring groove 15, a placing disc 16, a placing cylinder 17, a charging barrel 18, a stirring claw 19, a stirring disc 20, a stirring column 21 and a transporting part 22, wherein the vertical rear mounting frame 12 is arranged below the crushing main body 1, the horizontal stirring speed reducing motor 13 is arranged in the middle of the rear mounting frame 12, the horizontal stirring roller 14 is fixed on a rotating shaft of the stirring speed reducing motor 13, the stirring groove 15 is formed in the stirring roller 14, the vertical placing disc 16 is fixed at the upper end of the rear mounting frame 12, the vertical placing cylinder 17 is fixed at the upper end of the placing disc 16, the plurality of vertical charging barrels 18 are arranged in the placing cylinder 17, the vertical stirring claw 19 is arranged in the middle of the placing disc 16 through a bearing, the horizontal stirring disc 20 is fixed at the bottom end of the stirring claw 19, a plurality of vertical toggle columns 21 are fixed at the upper end of the toggle plate 20, and a transportation part 22 is installed in front of the placing plate 16.
The transportation part 22 comprises a middle installation frame 23, a middle installation seat 24, a belt conveyer 25, a sliding rail 26, an upper sliding seat 27, a front installation seat 28, a front installation frame 29, a variable frequency motor 30, an upper sliding rod 31, a middle sliding seat 32, a lower sliding rod 33, a lower sliding seat 34 and a connecting plate 35, wherein a vertical middle installation frame 23 is installed in front of the rear installation frame 12, the upper end of the middle installation frame 23 is provided with the vertical middle installation seat 24, the upper part of the middle installation seat 24 is hinged with the horizontal belt conveyer 25 through a bearing, the front part of the bottom end of the belt conveyer 25 is fixed with the horizontal sliding rail 26, the sliding rail 26 is connected with the horizontal upper sliding seat 27 in a sliding way, the bottom of the upper sliding seat 27 is provided with the front installation seat 28 through a bearing, the lower part of the front installation seat 28 is provided with the vertical front installation frame 29, anterior mounting bracket 29 middle part is fixed with a horizontally inverter motor 30, anterior mounting bracket 29 upper portion is fixed with a horizontally last slide bar 31, sliding connection has a horizontally well sliding seat 32 on going up slide bar 31, it is fixed on 27 bottoms of last sliding seat and well sliding seat 32 top, well sliding seat 32 bottom mounting has a vertical lower slide bar 33, sliding connection has a vertical lower sliding seat 34 on slide bar 33 down, it has a vertical connecting plate 35 to articulate on the lower sliding seat 34, connecting plate 35 upper portion is fixed mutually with inverter motor 30's pivot.
The working principle of the invention is as follows: the power supply of the grinding motor 7, the poking speed-reducing motor 13, the belt conveyer 25, the variable frequency motor 30 and the pump machine is switched on, the grinding motor 7 can drive the grinding cylinder 8 to rotate circumferentially, massive building garbage thrown in from the feeding cylinder 2 can be ground into fine particles under the impact of the slapping of the grinding cylinder 8 and the abrasion-resistant waveform lining plate 9, then the large building garbage is discharged from the discharging cylinder 3 under the dust removing effect of the spraying pipe 4 through the filtering effect of the screen mesh 10, the poking disc 20 can drive the poking claw 19 to rotate horizontally and intermittently under the driving of the poking speed-reducing motor 13, the poking claw 19 can drive the feeding cylinder 18 in the placing cylinder 17 to move horizontally and intermittently in the process of rotating horizontally and intermittently, so that the feeding can be carried out in the feeding cylinder 18, the frequency of the feeding cylinder 18 to move horizontally and intermittently can be adjusted by adjusting the rotating speed of the poking speed-reducing motor 13, thereby the feeding amount of the feeding to the feeding cylinder 18, and the bucket 18 of loading that feeds and accomplish can drop belt conveyor 25 under the drive of stirring claw 19 on, and belt conveyor 25 can be along the swing of 24 levels of mid-mounting seat under inverter motor 30's drive, can adjust belt conveyor 25's swing frequency through the rotational speed of adjusting inverter motor 30 to can arrange the production line of appropriate quantity and use, improve work efficiency then.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (4)
1. The utility model provides an environmental protection building rubbish processing apparatus, is including smashing main part (1), feed cylinder (2), row's material section of thick bamboo (3), shower (4), left end lid (5), right-hand member lid (6), crushing motor (7), crushing cylinder (8), wear-resisting wave form welt (9), screen cloth (10), part of feeding (11), its characterized in that: a vertical feeding cylinder (2) is fixed at the upper part of the crushing main body (1), a vertical discharging cylinder (3) is fixed at the bottom of the crushing main body (1), two horizontal spray pipes (4) are fixed at the bottom of the crushing main body (1), a vertical left end cover (5) is installed at the left end of the crushing main body (1) through a bolt, the right end of the crushing main body (1) is provided with a vertical right end cover (6) through a bolt, a horizontal crushing motor (7) is fixed in the middle of the right end cover (6), a horizontal crushing barrel (8) is arranged on a rotating shaft of the crushing motor (7) through a bolt, a horizontal wear-resistant corrugated lining plate (9) is arranged in the crushing main body (1) through bolts, a horizontal screen (10) is installed through the bolt in wear-resisting wave form welt (9) bottom, smash main part (1) below and install a part of loading (11).
2. The environmental protection construction waste disposal device of claim 1, wherein: the material loading part (11) comprises a rear mounting rack (12), a stirring speed reducing motor (13), a stirring roller (14), a stirring groove (15), a placing plate (16), a placing barrel (17), a material loading barrel (18), a stirring claw (19), a stirring plate (20), a stirring column (21) and a transporting part (22), wherein the vertical rear mounting rack (12) is arranged below the crushing main body (1), the horizontal stirring speed reducing motor (13) is installed in the middle of the rear mounting rack (12), a horizontal stirring roller (14) is fixed on a rotating shaft of the stirring speed reducing motor (13), the stirring roller (14) is provided with the stirring groove (15), the vertical placing plate (16) is fixed at the upper end of the rear mounting rack (12), the vertical placing barrel (17) is fixed at the upper end of the placing plate (16), and a plurality of vertical material loading barrels (18) are arranged in the placing barrel (17), place dish (16) middle part and install a vertical claw (19) of stirring through the bearing, stir claw (19) bottom mounting and have a horizontally to dial driving disk (20), dial driving disk (20) upper end and be fixed with a plurality of vertical posts (21) of stirring, place dish (16) the place ahead and install a transportation part (22).
3. The environmental protection construction waste disposal device according to claim 1 or 2, wherein: the transportation part (22) comprises a middle installation frame (23), a middle installation seat (24), a belt conveyer (25), a sliding rail (26), an upper sliding seat (27), a front installation seat (28), a front installation frame (29), a variable frequency motor (30), an upper sliding rod (31), a middle sliding seat (32), a lower sliding rod (33), a lower sliding seat (34) and a connecting plate (35), wherein the vertical middle installation frame (23) is installed in front of the rear installation frame (12), the vertical middle installation seat (24) is installed at the upper end of the middle installation frame (23), the horizontal belt conveyer (25) is hinged above the middle installation seat (24) through a bearing, the horizontal sliding rail (26) is fixed at the front part of the bottom end of the belt conveyer (25), and the sliding rail (26) is connected with the upper sliding seat (27) in a sliding way, the bottom of the upper sliding seat (27) is provided with a front mounting seat (28) through a bearing, a vertical front mounting rack (29) is arranged below the front mounting seat (28), a horizontal variable frequency motor (30) is fixed in the middle of the front mounting rack (29), a horizontal upper sliding rod (31) is fixed at the upper part of the front mounting rack (29), a horizontal middle sliding seat (32) is connected on the upper sliding rod (31) in a sliding way, the bottom end of the upper sliding seat (27) is fixed with the top end of the middle sliding seat (32), the bottom end of the middle sliding seat (32) is fixed with a vertical lower sliding rod (33), the lower sliding rod (33) is connected with a vertical lower sliding seat (34) in a sliding way, a vertical connecting plate (35) is hinged to the lower sliding seat (34), and the upper part of the connecting plate (35) is fixed with a rotating shaft of the variable frequency motor (30).
4. The environmental protection construction waste disposal device according to claim 2 or 3, wherein: two shower (4) are through the external pump machine of rubber water pipe, stir groove (15) can with stir post (21) lock joint, dial drive disk (20) horizontal intermittent type rotation can be driven in drive through stirring gear motor (13) in roller (14), inverter motor (30) can drive connecting plate (35) rotation from top to bottom after the circular telegram, connecting plate (35) can drive lower sliding seat (34) and slide from top to bottom along lower slide bar (33) at the in-process of rotation from top to bottom, and can drive well sliding seat (32) and slide from side to side along last slide bar (31), well sliding seat (32) can drive upper sliding seat (27) and slide from top to side along sliding rail (26) in-process of horizontal slip, and can make belt conveyor (25) along mid-mounting seat (24) horizontal hunting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874763.4A CN112058439A (en) | 2020-08-27 | 2020-08-27 | Environment-friendly construction waste treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874763.4A CN112058439A (en) | 2020-08-27 | 2020-08-27 | Environment-friendly construction waste treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112058439A true CN112058439A (en) | 2020-12-11 |
Family
ID=73659075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010874763.4A Withdrawn CN112058439A (en) | 2020-08-27 | 2020-08-27 | Environment-friendly construction waste treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112058439A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934375A (en) * | 2021-01-28 | 2021-06-11 | 上海旖琥环境工程技术发展有限公司 | Construction waste grading crushing equipment |
-
2020
- 2020-08-27 CN CN202010874763.4A patent/CN112058439A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934375A (en) * | 2021-01-28 | 2021-06-11 | 上海旖琥环境工程技术发展有限公司 | Construction waste grading crushing equipment |
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Application publication date: 20201211 |