CN113019513B - Energy-saving and environment-friendly concrete crushing and sorting equipment - Google Patents
Energy-saving and environment-friendly concrete crushing and sorting equipment Download PDFInfo
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- CN113019513B CN113019513B CN202110295743.6A CN202110295743A CN113019513B CN 113019513 B CN113019513 B CN 113019513B CN 202110295743 A CN202110295743 A CN 202110295743A CN 113019513 B CN113019513 B CN 113019513B
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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
- B02C1/00—Crushing or disintegrating by reciprocating members
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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
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/18—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to crushing and sorting equipment, in particular to energy-saving and environment-friendly concrete crushing and sorting equipment. The invention aims to solve the technical problem of providing the energy-saving and environment-friendly concrete crushing and sorting equipment which can separate iron objects when crushing concrete waste and is convenient for taking out the iron objects during separation. In order to solve the technical problems, the invention provides energy-saving and environment-friendly concrete crushing and sorting equipment, which comprises: a first fixing frame is connected to one side of the top of the bottom plate; a crushing box mounted on the first mount; a hopper connected to the top of the crushing tank; a driving mechanism mounted on the crushing box; and the stamping mechanism is arranged between the driving mechanism and the crushing box, and the driving mechanism is in transmission connection with the stamping mechanism. According to the invention, the concrete waste can be crushed through the driving mechanism and the stamping mechanism, and the crushing efficiency is high.
Description
Technical Field
The invention relates to crushing and sorting equipment, in particular to energy-saving and environment-friendly concrete crushing and sorting equipment.
Background
The generation and discharge quantity of the construction waste is rapidly increased, and particularly, the recycling rate of the reinforced concrete waste is lower, so that the construction waste cannot be well treated and comprehensively utilized, and resources are wasted, land occupation is caused, the environment is polluted and the like.
The patent publication number is searched: the patent of CN211563185U discloses an environment-friendly efficient concrete crushing separator, including the casing, set up in the casing inside and be the separator body that the form set up of fighting, set up in order to order about the vibration mechanism that the separator body takes place to vibrate on the separator body and fixed mounting on the casing and carry out the crushing mechanism of broken in the concrete of separator body, the inner wall of separator body has interior eaves piece by supreme spiral extension down, interior eaves piece forms the lifting rail with the separator body with fine aggregate lifting, the one end that the separator body bottom was kept away from to the lifting rail is the discharge end, the casing is provided with the aggregate collector that is used for collecting fine aggregate in the below of discharge end.
The technical scheme has the following technical defects: when breaking the concrete, can't separate the iron object, influence the quality of follow-up concrete crushed aggregates, the iron object can't leak from the sieve moreover, leads to staying in this internal unable taking out of separator to through rotatory broken blade mode easy card die, lead to equipment damage.
Therefore, the energy-saving and environment-friendly concrete crushing and sorting equipment which can separate iron objects when crushing concrete waste and is convenient for taking out the iron objects during separation needs to be designed.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects that the prior crushing equipment cannot separate iron objects and influence the quality of subsequent concrete crushed aggregates when crushing concrete, and the technical problem to be solved by the invention is to provide the energy-saving environment-friendly concrete crushing and sorting equipment which can separate iron objects when crushing concrete waste and is convenient to take out the iron objects during separation.
(2) Technical proposal
In order to solve the technical problems, the invention provides energy-saving and environment-friendly concrete crushing and sorting equipment, which comprises; the bottom plate, one side of top of the bottom plate is connected with the first fixing frame; a crushing box mounted on the first mount; a hopper connected to the top of the crushing tank; a driving mechanism mounted on the crushing box; and the stamping mechanism is arranged between the driving mechanism and the crushing box, and the driving mechanism is in transmission connection with the stamping mechanism.
Preferably, the driving mechanism comprises: a first fixing plate connected to the top of the crushing box; a speed reducing motor mounted on the first fixed plate; the rotating shaft is connected to the output shaft of the speed reducing motor; and the first bevel gear is connected to the rotating shaft.
Preferably, the punching mechanism comprises: the two second fixing plates are respectively connected to two sides of the top of the crushing box; the first connecting shafts are provided with two first connecting shafts, and the two first connecting shafts are respectively and rotatably connected to the second fixing plates at the two sides; a second bevel gear connected to one end of the first connection shaft, the second bevel gear being engaged with the first bevel gear; a crank connected to the other end of the first connecting shaft; the top block is provided with two blocks and is connected in the crushing box in a sliding manner; and the connecting rod is rotationally connected between the top block and the crank.
Preferably, the device also comprises a conveying mechanism, and the conveying mechanism comprises: the third fixing plate is connected to the first fixing frame; a conveyor belt connected to the third fixing plate; the two baffles are respectively connected to the two sides of the top of the third fixed plate; the limiting frame is connected to the third fixing plate; the second connecting shaft is rotationally connected to the limiting frame; the bevel gear transmission group is connected between the bottom end of the second connecting shaft and the conveying belt; and the belt transmission assembly is connected between the top end of the second connecting shaft and the rotating shaft.
Preferably, the utility model also comprises a sorting mechanism, and the sorting mechanism comprises: the second fixing frame is connected to the top of the bottom plate; the cylinder is arranged on the second fixing frame; the two guide carriages are respectively connected to the tops of the baffle plates on the two sides; the guide plate is connected to the telescopic rod of the air cylinder; the guide post is connected to the guide plate in a sliding manner; the electromagnet is connected to the bottom of the guide post, and two ends of the electromagnet are respectively in contact fit with the guide sliding racks on two sides; and the spring is connected between the electromagnet and the guide plate.
Preferably, the device also comprises a discharging mechanism, and the discharging mechanism comprises: a first rack frame connected to one end of the guide plate; a fourth fixing plate connected to the baffle plate; the receiving groove is connected between the baffles at the two sides; a first straight gear rotatably connected to the fourth fixed plate; a second spur gear connected to the first spur gear, the second spur gear being engaged with the first rack; a second rack slidably coupled to the fourth fixed plate, the second rack being engaged with the first straight gear; and the scraping plate is connected to the tail end of the second rack frame and is in sliding fit with the receiving groove.
Preferably, still including screening mechanism, screening mechanism is including: the inclined sliding frame is connected to the lower part of the first fixing frame; the screen plate is movably arranged at the top of the inclined sliding frame; and the discharge hopper is connected with one end of the bottom of the inclined sliding frame.
Preferably, the material of the receiving groove is stainless steel.
(3) Advantageous effects
1. According to the invention, the concrete waste can be crushed through the driving mechanism and the stamping mechanism, and the crushing efficiency is high.
2. Iron objects in the concrete waste can be cleaned through the cooperation of the conveying mechanism and the sorting mechanism, and the quality of the concrete waste is improved.
3. Can realize automatic clearance with the iron object through shedding mechanism, need not the manual work to collect the iron object that the electro-magnet adsorbed, improve the work efficiency of this equipment, reduce artificial intensity of labour.
4. Size separation can be achieved on the crushed concrete waste through the screening mechanism, and the quality of the concrete waste is further guaranteed.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of the driving mechanism of the present invention.
Fig. 4 is a schematic perspective view of a stamping mechanism according to the present invention.
Fig. 5 is a schematic perspective view of a conveying mechanism according to the present invention.
Fig. 6 is a schematic perspective view of a sorting mechanism according to the present invention.
Fig. 7 is a schematic view of a part of a perspective structure of the discharging mechanism of the present invention.
Fig. 8 is a schematic perspective view of a screening mechanism according to the present invention.
The marks in the drawings are: 1-bottom plate, 2-first fixing frame, 3-crushing box, 4-funnel, 5-driving mechanism, 51-first fixing plate, 52-gear motor, 53-rotating shaft, 54-first bevel gear, 6-punching mechanism, 61-second fixing plate, 62-first connecting shaft, 63-second bevel gear, 64-crank, 65-top block, 66-connecting rod, 7-conveying mechanism, 71-third fixing plate, 72-conveyer belt, 73-baffle, 74-limit frame, 75-second connecting shaft, 76-bevel gear transmission group, 77-belt transmission assembly, 8-sorting mechanism, 81-second fixing frame, 82-cylinder, 83-guide carriage, 84-guide plate, 85-electromagnet, 86-guide pillar, 87-spring, 9-unloading mechanism, 91-first rack, 92-fourth fixing plate, 93-receiving groove, 94-first straight gear, 95-second straight gear, 96-second rack, 97-scraper, 10-screening mechanism, 1001-1003, hopper-1002-screen plate, screen plate and screen plate.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1
The utility model provides an energy-conserving environmental protection is with broken sorting facilities of concrete, as shown in fig. 1 through 4, including bottom plate 1, first mount 2, broken case 3, funnel 4, actuating mechanism 5 and stamping mechanism 6, bottom plate 1 top left side is connected with first mount 2, installs broken case 3 on the first mount 2, broken case 3 top is connected with funnel 4, installs actuating mechanism 5 on the broken case 3, is connected with stamping mechanism 6 between actuating mechanism 5 and the broken case 3, actuating mechanism 5 is connected with stamping mechanism 6 transmission.
The driving mechanism 5 comprises a first fixing plate 51, a gear motor 52, a rotating shaft 53 and a first bevel gear 54, the first fixing plate 51 is arranged at the top of the right side of the crushing box 3, the gear motor 52 is connected to the first fixing plate 51, the rotating shaft 53 is connected to an output shaft of the gear motor 52, and the first bevel gear 54 is connected to the bottom end of the rotating shaft 53.
The punching mechanism 6 comprises a second fixing plate 61, a first connecting shaft 62, a second bevel gear 63, a crank 64, a top block 65 and a connecting rod 66, wherein the second fixing plate 61 is connected to the front side and the rear side of the top of the crushing box 3, the first connecting shaft 62 is connected to the second fixing plates 61 on the two sides in a rotating manner, the second bevel gear 63 is connected to the inner end of the first connecting shaft 62, the second bevel gear 63 is meshed with the first bevel gear 54, the crank 64 is connected to the outer end of the first connecting shaft 62, 2 top blocks 65 are connected to the inside of the crushing box 3 in a sliding manner, and the connecting rod 66 is connected between the top blocks 65 and the crank 64 on the same side in a rotating manner.
When the concrete waste is required to be crushed, the concrete waste is poured into the hopper 4, the gear motor 52 is started to rotate to drive the rotating shaft 53 to rotate, the rotating shaft 53 rotates to drive the first bevel gear 54 to rotate, the second bevel gear 63 and the first connecting shaft 62 rotate along with the rotating shaft, the first connecting shaft 62 rotates to drive the crank 64 to rotate, the crank 64 rotates to drive the two jacking blocks 65 to reciprocate alternately to extrude the concrete waste through the connecting rod 66, so that the concrete waste can be crushed, and after the concrete waste is crushed, the gear motor 52 is turned off.
Example 2
On the basis of embodiment 1, as shown in fig. 5 and 6, the device further comprises a conveying mechanism 7, the conveying mechanism 7 comprises a third fixing plate 71, a conveying belt 72, a baffle 73, a limiting frame 74, a second connecting shaft 75, a bevel gear transmission set 76 and a belt transmission assembly 77, two third fixing plates 71 are connected to the front side and the rear side of the first fixing frame 2, the two third fixing plates 71 are symmetrically arranged left and right, the conveying belt 72 is rotatably arranged between the tops of the four third fixing plates 71, the baffle 73 is connected between the third fixing plates 71 on the left side and the right side, the baffle 73 on the front side and the rear side is respectively located on the front side and the rear side of the conveying belt 72, the limiting frame 74 is rotatably connected with the second connecting shaft 75, the bevel gear transmission set 76 is connected between the bottom end of the second connecting shaft 75 and the conveying belt 72, and the belt transmission assembly 77 is connected between the top end of the second connecting shaft 75 and the rotating shaft 53.
Broken waste material drops on conveyer belt 72, and when pivot 53 rotated, the pivot 53 rotated and drives second connecting axle 75 rotation through belt drive assembly 77, and second connecting axle 75 rotates and drives conveyer belt 72 through bevel gear drive group 76 and remove, and conveyer belt 72 removes and drives concrete waste material and remove right, so can carry broken concrete waste material, is convenient for collect concrete waste material.
The sorting mechanism 8 comprises a second fixing frame 81, air cylinders 82, guide sliding frames 83, guide plates 84, electromagnets 85, guide posts 86 and springs 87, wherein the right side of the top of the bottom plate 1 is connected with the second fixing frame 81, the air cylinders 82 are arranged on the second fixing frame 81, the guide sliding frames 83 are connected to the tops of the baffle plates 73 on the front side and the rear side, the guide plates 84 are connected to telescopic rods of the air cylinders 82, three guide posts 86 are connected to the guide plates 84 in a sliding mode, electromagnets 85 are connected between the bottoms of the three guide posts 86, the electromagnets 85 are located right above the conveying belt 72, springs 87 are connected between the electromagnets 85 and the guide plates 84, the springs 87 are sleeved on the guide posts 86, and the front end and the rear end of each electromagnet 85 are respectively in contact fit with the guide sliding frames 83 on the front side and the rear side.
When the conveyer belt 72 drives the broken concrete waste to carry out right conveying, the electromagnet 85 is started to be electrified, iron blocks or broken steel bars in the concrete waste are adsorbed by the electromagnet 85, when the electromagnet 85 adsorbs more iron objects, the starting cylinder 82 is shortened, the cylinder 82 is shortened to drive the guide plate 84 to move rightwards, the guide plate 84 moves rightwards to drive the electromagnet 85 to move rightwards, the electromagnet 85 moves rightwards and upwards along the guide frame 83, when the electromagnet 85 moves to the right side of the guide frame 83, the collecting box is placed below the electromagnet 85, the electromagnet 85 is controlled to be powered off, the iron objects adsorbed on the electromagnet 85 drop downwards into the collecting box, the spring 87 changes along with the iron objects, then the cylinder 82 is started to extend to drive the electromagnet 85 to move leftwards, and then the electromagnet 85 is controlled to be electrified, so that the iron objects in the concrete can be separated.
Example 3
On the basis of embodiment 2, as shown in fig. 6 to 8, the discharging mechanism 9 further comprises a discharging mechanism 9, the discharging mechanism 9 comprises a first rack 91, a fourth fixed plate 92, a receiving groove 93, a first spur gear 94, a second spur gear 95, a second rack 96 and a scraping plate 97, the front end of the guide plate 84 is connected with the first rack 91, the right side of the front side baffle 73 is connected with the fourth fixed plate 92, the receiving groove 93 is connected between the right sides of the front side baffle 73 and the rear side baffle 73, the top of the fourth fixed plate 92 is rotatably connected with the first spur gear 94, the top of the first spur gear 94 is connected with the second spur gear 95, the second spur gear 95 is meshed with the first rack 91, the fourth fixed plate 92 is slidably connected with the second rack 96, the second rack 96 is meshed with the first spur gear 94, the rear end of the second rack 96 is connected with the scraping plate 97, and the scraping plate 97 is slidably matched with the receiving groove 93.
When the starting cylinder 82 shortens to drive the electromagnet 85 to move rightwards, the first straight gear 95 is driven to rotate through the first rack 91, the first straight gear 94 rotates along with the second straight gear, the first straight gear 94 rotates to drive the second rack 96 to move forwards, the scraping plate 97 moves forwards along with the second straight gear, when the electromagnet 85 moves to be right above the receiving groove 93, the scraping plate 97 moves to the forefront end of the receiving groove 93, then the electromagnet 85 is controlled to be powered off, iron objects adsorbed on the electromagnet 85 fall into the receiving groove 93, when the starting cylinder 82 stretches to drive the electromagnet 85 to move leftwards, the first straight gear 94 reversely rotates along with the second straight gear 95, the first straight gear 94 reversely rotates to drive the second rack 96 to move backwards, and the scraping plate 97 moves backwards along with the first straight gear 94 to push the iron objects in the receiving groove 93 backwards. So can realize collecting the iron object fast, labour saving and time saving.
Still including screening mechanism 10, screening mechanism 10 is including oblique balladeur train 1001, sieve 1002 and ejection of compact fill 1003, and the lower part of first mount 2 is connected with oblique balladeur train 1001, and the top of oblique balladeur train 1001 is connected with sieve 1002 through bolted connection's mode, and the bottom left end of oblique balladeur train 1001 is connected with ejection of compact fill 1003.
The conveyer belt 72 carries the concrete waste after the breakage right and falls on sieve 1002, can screen the waste after the breakage through sieve 1002, and less waste falls into oblique balladeur train 1001 through the hole mesh of sieve 1002 to flow out through play hopper 1003, bigger waste then rolls down along sieve 1002, so can select separately the concrete waste after the breakage, guarantee the quality of waste.
The foregoing examples have shown only the preferred embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (3)
1. An energy-conserving environmental protection is with broken sorting facilities of concrete which characterized in that includes: the bottom plate (1), one side of the top of the bottom plate (1) is connected with a first fixing frame (2);
a crushing box (3) mounted on the first mount (2);
a hopper (4) connected to the top of the crushing box (3);
a drive mechanism (5) mounted on the crushing box (3);
the stamping mechanism (6) is arranged between the driving mechanism (5) and the crushing box (3), and the driving mechanism (5) is in transmission connection with the stamping mechanism (6);
the driving mechanism (5) comprises:
a first fixed plate (51) connected to the top of the crushing tank (3);
a gear motor (52) mounted on the first fixed plate (51);
a rotating shaft (53) connected to an output shaft of the gear motor (52);
a first bevel gear (54) connected to the rotating shaft (53);
the punching mechanism (6) comprises:
the second fixing plates (61) are provided with two second fixing plates (61), and the two second fixing plates (61) are respectively connected to two sides of the top of the crushing box (3);
the first connecting shafts (62) are provided with two first connecting shafts (62), and the two first connecting shafts (62) are respectively and rotatably connected to the second fixing plates (61) at the two sides;
a second bevel gear (63) connected to one end of the first connecting shaft (62), the second bevel gear (63) being engaged with the first bevel gear (54);
a crank (64) connected to the other end of the first connecting shaft (62);
the top block (65) is provided with two blocks and is connected in the crushing box (3) in a sliding manner;
a connecting rod (66) rotatably connected between the top block (65) and the crank (64);
the device also comprises a conveying mechanism (7), wherein the conveying mechanism (7) comprises:
a third fixing plate (71) connected to the first fixing frame (2);
a conveyor belt (72) connected to the third fixing plate (71);
the two baffles (73) are arranged, and the two baffles (73) are respectively connected to the two sides of the top of the third fixed plate (71);
a limit frame (74) connected to the third fixing plate (71);
a second connecting shaft (75) rotatably connected to the stopper (74);
the bevel gear transmission group (76) is connected between the bottom end of the second connecting shaft (75) and the conveying belt (72);
a belt transmission assembly (77) connected between the top end of the second connecting shaft (75) and the rotating shaft (53);
the utility model also comprises a sorting mechanism (8), wherein the sorting mechanism (8) comprises:
the second fixing frame (81) is connected to the top of the bottom plate (1);
a cylinder (82) mounted on the second mount (81);
the two guide carriages (83) are arranged, and the two guide carriages (83) are respectively connected to the tops of the baffle plates (73) on the two sides;
a guide plate (84) connected to the telescopic rod of the cylinder (82);
a guide post (86) slidably connected to the guide plate (84);
the electromagnet (85) is connected to the bottom of the guide post (86), and two ends of the electromagnet (85) are respectively in contact fit with the guide carriages (83) on two sides;
a spring (87) connected between the electromagnet (85) and the guide plate (84);
the automatic discharging device also comprises a discharging mechanism (9), wherein the discharging mechanism (9) comprises:
a first rack (91) connected to one end of the guide plate (84);
a fourth fixing plate (92) connected to the baffle plate (73);
a receiving groove (93) connected between the baffles (73) at two sides;
a first spur gear (94) rotatably connected to the fourth fixed plate (92);
a second spur gear (95) connected to the first spur gear (94), the second spur gear (95) being meshed with the first rack (91);
a second rack (96) slidably connected to the fourth fixed plate (92), the second rack (96) being engaged with the first spur gear (94);
the scraping plate (97) is connected to the tail end of the second rack frame (96), and the scraping plate (97) is in sliding fit with the receiving groove (93).
2. The energy-saving and environment-friendly concrete crushing and sorting equipment according to claim 1, further comprising a screening mechanism (10), wherein the screening mechanism (10) comprises:
an inclined carriage (1001) connected to the lower part of the first fixing frame (2);
a screen plate (1002) movably mounted on top of the diagonal carriage (1001);
and a discharge hopper (1003) connected to one end of the bottom of the diagonal carriage (1001).
3. The energy-saving and environment-friendly concrete crushing and sorting equipment according to claim 2, wherein the material for the receiving groove (93) is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295743.6A CN113019513B (en) | 2021-03-19 | 2021-03-19 | Energy-saving and environment-friendly concrete crushing and sorting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295743.6A CN113019513B (en) | 2021-03-19 | 2021-03-19 | Energy-saving and environment-friendly concrete crushing and sorting equipment |
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| Publication Number | Publication Date |
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| CN113019513A CN113019513A (en) | 2021-06-25 |
| CN113019513B true CN113019513B (en) | 2023-05-12 |
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| CN115921110B (en) * | 2022-11-04 | 2024-02-02 | 宿迁市振兴化工有限公司 | Purification device and method for non-polymerization type hindered amine light stabilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07213942A (en) * | 1994-02-09 | 1995-08-15 | Hitachi Constr Mach Co Ltd | Belt conveyer for grinder |
| CN107469940B (en) * | 2017-09-18 | 2023-12-12 | 宁夏华晟节能环保科技有限公司 | Dual crushing sieving mechanism of building rubbish |
| CN107982067A (en) * | 2017-12-14 | 2018-05-04 | 朱线莉 | A kind of tablet mashing device of paediatrics |
| CN108554496A (en) * | 2018-03-02 | 2018-09-21 | 许洁 | A kind of construction waste breaker carrying out iron charge recycling |
| CN108906201B (en) * | 2018-06-20 | 2021-04-13 | 济南四建（集团）有限责任公司 | Waste material reducing mechanism for building engineering of environmental protection |
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Effective date of registration: 20230414 Address after: 311256 Tianfeng village, Yiqiao Town, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou zhenteng Industrial Co.,Ltd. Address before: 518110 room 1211, building 3, Jingji concrete processing plant, tongfuyu Industrial Park, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Applicant before: Li Yingjiao |
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