CN112246407A - Device capable of producing abrasive materials with different particle sizes - Google Patents

Device capable of producing abrasive materials with different particle sizes Download PDF

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Publication number
CN112246407A
CN112246407A CN202011106490.5A CN202011106490A CN112246407A CN 112246407 A CN112246407 A CN 112246407A CN 202011106490 A CN202011106490 A CN 202011106490A CN 112246407 A CN112246407 A CN 112246407A
Authority
CN
China
Prior art keywords
grinding
box
shell
crushing
screen
Prior art date
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.)
Pending
Application number
CN202011106490.5A
Other languages
Chinese (zh)
Inventor
洪开荣
郭璐
李宏波
王雅文
王发民
范文超
张合沛
翟乾智
高会中
褚长海
陈桥
王凯
杨振兴
孙飞祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Key Laboratory of Shield Machine and Boring Technology
China Railway Tunnel Group Co Ltd CRTG
Original Assignee
State Key Laboratory of Shield Machine and Boring Technology
China Railway Tunnel Group Co Ltd CRTG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Key Laboratory of Shield Machine and Boring Technology, China Railway Tunnel Group Co Ltd CRTG filed Critical State Key Laboratory of Shield Machine and Boring Technology
Priority to CN202011106490.5A priority Critical patent/CN112246407A/en
Publication of CN112246407A publication Critical patent/CN112246407A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2/00Crushing or disintegrating by gyratory or cone crushers
    • B02C2/10Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/02Crushing or disintegrating by roller mills with two or more rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/286Feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets

Abstract

The invention provides a device capable of producing abrasive materials with different particle sizes, which comprises a hopper, a crushing box, a grinding box and a screening device, wherein the crushing box is arranged on the hopper; a pair of coarse crushing rollers is arranged in the hopper; a fine crushing roller is arranged in the crushing box, a guide plate is also arranged in the crushing box, and the guide plate extends to a first discharge hole formed in the bottom of the crushing box; the top of the grinding box is provided with a first material receiving port which is connected with the first material outlet in sequence, a grinding mechanism is arranged in the grinding box, the bottom of the grinding box is provided with a second material outlet, and a second control valve is arranged at the second material outlet; screening plant includes the shell, and the side of shell is equipped with vibrating motor, is equipped with the support frame below the shell, is equipped with on the shell to connect the material mouth with the second of second discharge gate in the same direction as connecing, and top-down slopes in proper order in the shell and is equipped with filter screen and polylith screen cloth, and the lowest that the shell lateral wall corresponds filter screen or screen cloth all is equipped with the third discharge gate. The invention can carry out high-efficiency crushing and grinding treatment on the raw materials, thereby producing the grinding materials with different particle sizes.

Description

Device capable of producing abrasive materials with different particle sizes
Technical Field
The invention relates to the technical field of grinding equipment, in particular to a device capable of producing grinding materials with different particle sizes.
Background
With the development of science and technology, machines basically replace manual production, grinding devices are mainly used in abrasive production, and the grinding devices are equipment for grinding materials into particles.
However, the existing grinding device for producing the grinding materials adopts a single-layer grinding mode to grind the materials, so that the grinding efficiency is low, the granularity of the ground materials cannot be classified and collected, and the practicability is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device capable of producing grinding materials with different particle sizes, which comprises the following specific scheme:
a device capable of producing abrasive materials with different particle sizes comprises a hopper, a crushing box, a grinding box and a screening device which are sequentially arranged from top to bottom; the hopper seat is arranged above the crushing box, and a pair of coarse crushing rollers is arranged in the hopper; a plurality of fine crushing rollers which are matched with each other are arranged in the crushing box, a guide plate is also arranged in the crushing box, and the guide plate extends to a first discharge hole formed in the bottom of the crushing box; the grinding box is arranged on the mounting plate in a penetrating mode, a first material receiving port which is connected with the first material outlet in sequence is arranged at the top of the grinding box, a grinding mechanism is arranged in the grinding box, a second material outlet is arranged at the bottom of the grinding box, and a second control valve is arranged at the second material outlet; a plurality of support columns for supporting the crushing box are arranged above the mounting plate, and a plurality of support legs are arranged below the mounting plate; the screening device comprises a shell, a vibration motor is arranged on the side face of the shell, a support frame is arranged below the shell, a second material receiving port which is connected with the second material outlet in a forward mode is arranged on the shell, a filter screen and a plurality of screen meshes are sequentially arranged in the shell in an inclined mode from top to bottom, a third material outlet is formed in the side wall of the shell and corresponds to the filter screen or the lowest position of the screen meshes, a return pipe which extends to the scraper conveyor is arranged at the third material outlet which corresponds to the filter screen, material collecting pipes are arranged at the third material outlet which corresponds to the screen meshes and respectively extend to respective material collecting boxes, third control valves are arranged at the third material outlets, a fourth material outlet is formed in the bottom of the shell, and the fourth material outlet; the bottom of scraper conveyor is equipped with the charge door, and scraper conveyor's blanking mouth is located the top of hopper.
Based on the above, the grinding mechanism comprises a grinding body arranged in the grinding box, a rotating rod extending to the top of the grinding box is arranged on the grinding body, and the rotating rod is driven to rotate by a driving motor arranged at the top of the grinding box.
Based on the above, the bottom surface of the grinding body and the bottom surface of the grinding box are spherical surfaces corresponding to each other, and the distance between the bottom surface of the grinding body and the grinding box is 1-3 mm.
Based on the above, the upper surface of the grinding body is a spherical surface, and the grinding body is provided with a plurality of feeding holes which penetrate through the grinding body up and down.
Based on the above, the screen comprises a primary screen at the upper part and a secondary screen at the lower part; the mesh number of the filter screen, the primary screen and the secondary screen is 40-50 meshes, 60-80 meshes and 100-120 meshes respectively.
Compared with the prior art, the invention has substantive characteristics and progress, and particularly has the following advantages:
1. according to the invention, the raw materials can be extruded and crushed step by arranging the coarse crushing roller and the fine crushing roller, and the extruded and crushed raw materials enter the grinding box and are finely ground by the grinding body to prepare the grinding material.
2. According to the invention, the raw materials in the grinding box can be continuously and efficiently ground by the structural design of the grinding body, so that the crushing granularity of the raw materials is uniform and consistent.
3. According to the invention, the grinding materials after grinding can be screened step by step through the structural design of the screening device, unqualified grinding materials with overlarge particle sizes enter the scraper conveyer through the return pipe, then enter the grinding box again after passing through the hopper and the crushing box for secondary grinding treatment, and grinding materials with qualified particle sizes are screened by the screen to form grinding materials with different particle sizes and are collected in a centralized manner, so that the efficient production of the grinding materials with different particle sizes is realized.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
Figure 2 is a schematic diagram of the construction of the screening device of the present invention.
In the figure: 1. a hopper; 2. a rough crushing roller; 3. a crushing box; 4. a fine crushing roller; 5. a baffle; 6. a first discharge port; 7. a support pillar; 8. mounting a plate; 9. supporting legs; 10. grinding a box; 11. a first material receiving port; 12. a grinding body; 13. a blanking hole; 14. a drive motor; 15. a rotating rod; 16. a second discharge port; 17. a second control valve; 18. a screening device; 19. a housing; 20. a second material receiving port; 21. a filter screen; 22. a third discharge port; 23. screening a screen; 24. a third control valve; 25. a material collecting pipe; 26. a material collecting box; 27. a fourth discharge port; 28. a collection box; 29. a support frame; 30. a vibration motor; 31. a return pipe; 32. a scraper conveyor; 33. a blanking port; 34. a feed inlet.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
Examples
As shown in fig. 1-2, the present invention provides an apparatus capable of producing abrasives of different particle sizes, comprising a hopper 1, a crushing box 3, a grinding box 10 and a sieving device 18, which are sequentially arranged up and down.
Hopper 1 is established in the top of broken case 3, is equipped with a pair of coarse crushing roller 2 that is used for carrying out preliminary crushing to the raw materials in the hopper 1.
The crushing box is characterized in that a plurality of fine crushing rollers 4 which are matched with each other and used for extruding and crushing materials are arranged in the crushing box 3, a guide plate 5 is further arranged in the crushing box 3, and the guide plate 5 extends to a first discharge hole 6 formed in the bottom of the crushing box 3.
The grinding box 10 is arranged on the mounting plate 8 in a penetrating mode, a first material receiving port 11 which is connected with the first material outlet 6 in a direct mode is arranged at the top of the grinding box 10, a grinding mechanism is arranged in the grinding box 10, a second material outlet 16 is arranged at the bottom of the grinding box 10, and a second control valve 17 is arranged at the second material outlet 16; the top of mounting panel 8 is equipped with many supports the support column 7 of broken case 3 is equipped with many supporting legs 9 below the mounting panel 8.
The screening device 18 is used for screening the ground abrasive, and comprises a housing 19, a vibration motor 30 is arranged on the side surface of the shell 19, a support frame 29 is arranged below the shell 19, a second material receiving port 20 which is connected with the second material outlet 16 is arranged on the shell 19, a filter screen 21 and a plurality of screen meshes 23 are sequentially arranged in the shell 19 in an inclined manner from top to bottom, a third material outlet 22 is arranged on the side wall of the shell 19 corresponding to the lowest position of the filter screen 21 or the screen meshes 23, the third discharge port 22 corresponding to the filter screen 21 is provided with a return pipe 31 extending to a scraper conveyor 32, the third discharge port 22 corresponding to the screen 23 is provided with material collecting pipes 25, the material collecting pipes 25 respectively extend to the respective material collecting boxes 26, the third discharge ports 22 are provided with third control valves 24, the bottom of the shell 19 is provided with a fourth discharge port 27, and the fourth discharge port 27 is connected with a collecting box 28; the bottom of scraper conveyor 32 is equipped with charge door 34, and scraper conveyor 32's blanking mouth 33 is located the top of hopper 1.
The grinding mechanism comprises a grinding body 12 arranged in the grinding box 10, a rotating rod 15 extending to the top of the grinding box 10 is arranged on the grinding body 12, and the rotating rod 15 is driven to rotate by a driving motor 14 arranged at the top of the grinding box 10.
In order to ensure the efficient grinding of the raw material, the bottom surface of the grinding body 12 and the bottom surface of the grinding box 10 are designed into spherical surfaces corresponding to each other, and the distance between the bottom surface of the grinding body 12 and the grinding box 10 is 1-3 mm; in addition, the upper surface of the grinding body 12 is a spherical surface, and the grinding body 12 is provided with a plurality of feeding holes 13 which penetrate up and down, so that the grinding material can be circularly and continuously ground through the structural design.
The screen 23 is used to screen abrasive materials of different particle sizes, and the screen 23 of the present invention includes a primary screen 23 at an upper portion and a secondary screen 23 at a lower portion. The mesh number of the filter screen 21, the primary screen 23 and the secondary screen 23 is 40-50 meshes, 60-80 meshes and 100-120 meshes respectively.
The invention has the specific working principle that: firstly, raw materials are put into a feeding port 34, under the action of a scraper conveyor 32, the raw materials enter a hopper 1, are crushed by a coarse crushing roller 2 and then enter a crushing box 3, and then enter the crushing box 3 and are finely crushed again by a fine crushing roller 4, the raw materials after the fine crushing treatment enter a grinding box 10, are ground by a grinding body 12, after being ground for a period of time, a second control valve 17 is opened, so that the ground grinding materials enter a shell 19, under the action of a vibration motor 30, the grinding materials are filtered by a filter screen 21 and a multi-stage screen 23, unqualified grinding materials are isolated on the filter screen 21, large-particle-size grinding materials are isolated on a first-stage screen 23, medium-particle-size grinding materials are isolated on the second-stage screen 23, and small-particle-size grinding materials are discharged from a fourth discharge port 27 and enter a collection box 28.
After a period of time passes through the vibrating screen of the vibrating motor 30, the third control valve 24 is opened, the unqualified abrasive enters the scraper conveyor 32, and the large-size abrasive and the small-size abrasive respectively enter the corresponding material collecting boxes 26 for collection and treatment.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims (5)

1. An apparatus capable of producing abrasives of different particle sizes, characterized in that: comprises a hopper (1), a crushing box (3), a grinding box (10) and a screening device (18) which are arranged up and down in sequence; the hopper (1) is arranged above the crushing box (3) in a seating mode, and a pair of coarse crushing rollers (2) are arranged in the hopper (1); a plurality of fine crushing rollers (4) which are matched with each other are arranged in the crushing box (3), a guide plate (5) is also arranged in the crushing box (3), and the guide plate (5) extends to a first discharge hole (6) arranged at the bottom of the crushing box (3); the grinding box (10) is arranged on the mounting plate (8) in a penetrating mode, a first material receiving opening (11) which is connected with the first material outlet (6) in a direct mode is formed in the top of the grinding box (10), a grinding mechanism is arranged in the grinding box (10), a second material outlet (16) is formed in the bottom of the grinding box (10), and a second control valve (17) is arranged at the position of the second material outlet (16); a plurality of supporting columns (7) for supporting the crushing box (3) are arranged above the mounting plate (8), and a plurality of supporting legs (9) are arranged below the mounting plate (8); the screening device (18) comprises a shell (19), a vibration motor (30) is arranged on the side face of the shell (19), a support frame (29) is arranged below the shell (19), a second material receiving port (20) which is connected with the second material outlet (16) in sequence is arranged on the shell (19), a filter screen (21) and a plurality of screen meshes (23) are sequentially arranged in the shell (19) in an inclined mode from top to bottom, a third material outlet (22) is formed in the side wall of the shell (19) corresponding to the filter screen (21) or the lowest position of the screen meshes (23), a return pipe (31) extending to a scraper conveyor (32) is arranged in the third material outlet (22) corresponding to the screen meshes (23), a material collecting pipe (25) is arranged in the third material outlet (22) corresponding to the screen meshes (23), the material collecting pipes (25) extend to respective material collecting boxes (26), and third material outlet (22) is provided with a third control valve (24), a fourth discharge hole (27) is formed in the bottom of the shell (19), and a collection box (28) is connected with the fourth discharge hole (27) in a sequential manner; the bottom of scraper conveyor (32) is equipped with charge door (34), and blanking mouth (33) of scraper conveyor (32) are located the top of hopper (1).
2. The apparatus according to claim 1, capable of producing abrasives of different granulometry, characterized in that: the grinding mechanism comprises a grinding body (12) arranged in the grinding box (10), a rotating rod (15) extending to the top of the grinding box (10) is arranged on the grinding body (12), and the rotating rod (15) is driven to rotate by a driving motor (14) arranged at the top of the grinding box (10).
3. The apparatus according to claim 2, capable of producing abrasives of different granulometry, characterized in that: the bottom surface of the grinding body (12) and the bottom surface of the grinding box (10) are spherical surfaces which correspond to each other, and the distance between the bottom surface of the grinding body (12) and the grinding box (10) is 1-3 mm.
4. The apparatus according to claim 3, capable of producing abrasives of different granulometry, characterized in that: the upper surface of the grinding body (12) is a spherical surface, and a plurality of feeding holes (13) which penetrate through the grinding body (12) from top to bottom are formed in the grinding body.
5. The apparatus according to claim 1, capable of producing abrasives of different granulometry, characterized in that: the screen (23) comprises a primary screen positioned at the upper part and a secondary screen positioned at the lower part; the mesh number of the filter screen (21), the primary screen and the secondary screen is 40-50 meshes, 60-80 meshes and 100-120 meshes respectively.
CN202011106490.5A 2020-10-16 2020-10-16 Device capable of producing abrasive materials with different particle sizes Pending CN112246407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011106490.5A CN112246407A (en) 2020-10-16 2020-10-16 Device capable of producing abrasive materials with different particle sizes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011106490.5A CN112246407A (en) 2020-10-16 2020-10-16 Device capable of producing abrasive materials with different particle sizes

Publications (1)

Publication Number Publication Date
CN112246407A true CN112246407A (en) 2021-01-22

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Country Status (1)

Country Link
CN (1) CN112246407A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113117807A (en) * 2021-04-20 2021-07-16 汪亦冬 Comprehensive environment-friendly treatment process for non-ferrous metal smelting waste residues
CN114618647A (en) * 2022-03-08 2022-06-14 连云港旺和新型建材有限公司 Slag micro-powder high-temperature grinding device and method utilizing blast furnace heat regeneration

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Publication number Priority date Publication date Assignee Title
JP2012216476A (en) * 2011-04-01 2012-11-08 Mitsubishi Chemicals Corp Method for producing lithium transition metal compound
KR20160020363A (en) * 2014-08-13 2016-02-23 강두석 Crusher
CN205269827U (en) * 2015-11-20 2016-06-01 嘉善远大新型墙体有限公司 Screening integrated device is smashed with raw materials to insulating brick production
CN206404889U (en) * 2016-11-24 2017-08-15 齐齐哈尔大学 A kind of compound pulverizer mill of chemical industry
CN207430484U (en) * 2017-11-10 2018-06-01 楚雄州恒麟建材有限公司 A kind of waste treatment device of autoclaved lime-sand brick and autoclave aerated concrete building block
CN108906291A (en) * 2018-06-06 2018-11-30 芜湖英特杰智能科技有限公司 It is a kind of medicine production use grinding device
CN208260844U (en) * 2017-12-18 2018-12-21 上海虹联(东台)食品有限公司 A kind of wheaten starch rough lapping processing unit (plant)
CN109092532A (en) * 2017-02-14 2018-12-28 天津中天精科科技有限公司 A kind of garbage waste particle depth processing equipment of belt grinding roller
CN109603966A (en) * 2018-11-28 2019-04-12 山东农业工程学院 A kind of agricultural grain crusher
CN209222224U (en) * 2018-12-20 2019-08-09 武威金仓生物科技有限公司 A kind of large-particle fertilizer fine mill
CN209271547U (en) * 2018-11-28 2019-08-20 河南誉金技术服务有限公司 A kind of abrasive lapping device
CN210304022U (en) * 2019-07-01 2020-04-14 江西龙正科技发展有限公司 Plant luminous raw material treatment equipment for processing luminous paint on outer wall
CN211216866U (en) * 2019-11-25 2020-08-11 江苏新达石英有限公司 A smash sorting unit for terrazzo quartz sand

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012216476A (en) * 2011-04-01 2012-11-08 Mitsubishi Chemicals Corp Method for producing lithium transition metal compound
KR20160020363A (en) * 2014-08-13 2016-02-23 강두석 Crusher
CN205269827U (en) * 2015-11-20 2016-06-01 嘉善远大新型墙体有限公司 Screening integrated device is smashed with raw materials to insulating brick production
CN206404889U (en) * 2016-11-24 2017-08-15 齐齐哈尔大学 A kind of compound pulverizer mill of chemical industry
CN109092532A (en) * 2017-02-14 2018-12-28 天津中天精科科技有限公司 A kind of garbage waste particle depth processing equipment of belt grinding roller
CN207430484U (en) * 2017-11-10 2018-06-01 楚雄州恒麟建材有限公司 A kind of waste treatment device of autoclaved lime-sand brick and autoclave aerated concrete building block
CN208260844U (en) * 2017-12-18 2018-12-21 上海虹联(东台)食品有限公司 A kind of wheaten starch rough lapping processing unit (plant)
CN108906291A (en) * 2018-06-06 2018-11-30 芜湖英特杰智能科技有限公司 It is a kind of medicine production use grinding device
CN109603966A (en) * 2018-11-28 2019-04-12 山东农业工程学院 A kind of agricultural grain crusher
CN209271547U (en) * 2018-11-28 2019-08-20 河南誉金技术服务有限公司 A kind of abrasive lapping device
CN209222224U (en) * 2018-12-20 2019-08-09 武威金仓生物科技有限公司 A kind of large-particle fertilizer fine mill
CN210304022U (en) * 2019-07-01 2020-04-14 江西龙正科技发展有限公司 Plant luminous raw material treatment equipment for processing luminous paint on outer wall
CN211216866U (en) * 2019-11-25 2020-08-11 江苏新达石英有限公司 A smash sorting unit for terrazzo quartz sand

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113117807A (en) * 2021-04-20 2021-07-16 汪亦冬 Comprehensive environment-friendly treatment process for non-ferrous metal smelting waste residues
CN114618647A (en) * 2022-03-08 2022-06-14 连云港旺和新型建材有限公司 Slag micro-powder high-temperature grinding device and method utilizing blast furnace heat regeneration

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Application publication date: 20210122

RJ01 Rejection of invention patent application after publication