CN110898899B - A integrative device is smashed in screening for screening grit aggregate impurity - Google Patents
A integrative device is smashed in screening for screening grit aggregate impurity Download PDFInfo
- Publication number
- CN110898899B CN110898899B CN201911281319.5A CN201911281319A CN110898899B CN 110898899 B CN110898899 B CN 110898899B CN 201911281319 A CN201911281319 A CN 201911281319A CN 110898899 B CN110898899 B CN 110898899B
- Authority
- CN
- China
- Prior art keywords
- screening
- impurity
- shell
- water
- impurities
- 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.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention relates to the field of stone processing, and particularly discloses a screening and crushing integrated device for screening impurities in gravel aggregates, which comprises a shell, a feed hopper, supporting legs and rollers, wherein the feed hopper is arranged on the shell; the upper portion in the casing is provided with luffing motion's screening board, installs the horizontal shower of a plurality of in the top of screening board, is provided with the impurity stock guide of slope in the below of screening board, has seted up the impurity discharge port on the casing lateral wall that the left end of impurity stock guide corresponds, and the other one end of impurity discharge port communicates the impurity separation case. Two crushing rollers which are horizontally arranged side by side and mutually matched and extruded are arranged below the stone material guide plate. According to the invention, the impurities are discharged along with the spray water through the arranged impurity guide plate, and the water is separated from the impurities through the arranged separation box, so that the internal water can be recycled, and the water consumption is reduced; still set up crushing roller, carry out the precomminution to the building stones after the screening to can not produce the dust, the rational utilization resource.
Description
Technical Field
The invention relates to the field of stone processing, in particular to a screening and crushing integrated device for screening impurities in gravel aggregates.
Background
Because the content of impurities such as stone powder, mud blocks, fine particles and the like is different due to different sources of the aggregate of the sandstone, the quality of buildings can be seriously affected by crushing and refining the sandstone after the impurities are mixed into the aggregate for buildings, and therefore, the impurities in the aggregate need to be screened out, and a screening machine is generally used for screening in order to control the content of the impurities within the range required by the specification. The prior screening device (with the notice number of CN 205518554U) for screening impurities in gravel aggregates has the advantages that stones enter a sieve plate, are screened through the sieve plate, and are sprayed with water to remove the impurities in the gravel, but the screened impurities are very inconvenient to clean, and particularly spray water is carried in the stones, so that the spray water cannot be recycled; in addition, no pretreatment is carried out on the gravel aggregate after the screening of impurities is finished, and the wet gravel aggregate is wasted, so that the existing gravel aggregate screening device needs to be improved.
Disclosure of Invention
The invention aims to provide a screening and crushing integrated device for screening impurities in sandstone aggregates, which aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a screening and crushing integrated device for screening impurities in gravel aggregate comprises a shell, a feed hopper, support legs and rollers; the feed hopper is fixedly communicated with the top of the shell, and gravel aggregate is filled into the shell through the feed hopper; supporting legs are fixed at four corners of the bottom of the shell, and rollers for walking are arranged at the lower ends of the supporting legs, so that the device can move conveniently; the screening plate is arranged at the upper part in the shell and can swing up and down, the left end of the screening plate is rotatably connected to the inner wall of the shell through a rotating shaft, the right end of the screening plate is downward inclined, so that gravel aggregates falling on the screening plate can move downward along the screening plate, a rotating cam is horizontally arranged below the right end of the screening plate, the screening plate is arranged on the cam, the right end of the screening plate is supported through the cam, and the screening plate is driven to shake when the cam rotates, so that impurities are separated from the screening plate and fall down; a plurality of horizontal spray pipes are arranged above the screening plate, a plurality of downward nozzles are arranged on the spray pipes, water in the spray pipes is sprayed on the screening plate below, a water pump positioned on the outer side of the shell is communicated with the spray pipes, and a water inlet pipe is communicated with the water pump to supply water for the device; the impurity guide plate of slope is provided with in the below of screening board, and the right-hand member is higher than the left end, has seted up the impurity discharge port on the casing lateral wall that the left end of impurity guide plate corresponds, the other one end intercommunication impurity separation case of impurity discharge port, be provided with the filter screen that is used for the drainage of slope in the impurity separation case, impurity and the water that gets into in from the impurity discharge port pass through the filter screen and filter, make water fall from the filter screen, and impurity is on the filter screen, sets up the solid bin outlet on the impurity separation case lateral wall that the upper surface of filter screen corresponds, and the impurity that filters down on it discharges, and the intercommunication has the outlet on the bottom of impurity separation case, and the water that will filter down is discharged.
Further: the upper surface of impurity stock guide is integrative to be provided with the ascending guiding gutter of a plurality of edge left and right sides, forms a plurality of runners on impurity stock guide surface, and rivers are easily accumulated in every guiding gutter behind the upper spray water, take away impurity when rivers flow, improve the discharge amount of impurity.
Further: the longitudinal section of the diversion trench is triangular.
Further: the water outlet is communicated with the water inlet pipe through a pipeline and a water collecting tank, so that the spray water can be recycled.
Further: the utility model discloses a screening board, including screening board, crushing roller, screening board, the right-hand member below of screening board is provided with the building stones stock guide that is used for collecting row material, and the building stones that will fall on the screening board tip are collected, are provided with two levels side by side and mutually support extruded and crushing roller in the below of building stones stock guide, and the building stones that fall are smashed through extruding with crushing roller, carry out the preliminary treatment to the building stones, because the building stones surface has sprayed water, can not have the dust to produce at crushing in-process, and the spraying water when the rational utilization screening avoids the.
Further: a horizontal conveying belt is arranged below the crushing roller, two ends of the conveying belt are wound on the transmission roller, the conveying belt conveys the falling crushed stones to the left, a plurality of uniformly distributed screen meshes are embedded and mounted on the conveying belt, the stones fall on the screen meshes and are screened on the screen meshes, so that fine stones fall down, and the stones are larger in size and are sent out from the left end through the conveying belt; and a collecting box is arranged under the conveyor belt and used for collecting fine stones falling from the upper part, and a fine material discharge port is formed in the side wall of the shell corresponding to the collecting box.
Further: the screen is formed by processing a steel wire mesh.
Further: a vertical baffle is fixed at the left end of the conveyor belt and abuts against the surface of the conveyor belt, so that the screened larger stone falls on the left side of the baffle, and a coarse material discharge port is arranged on the left side of the baffle.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the impurities are discharged along with the spray water through the arranged impurity guide plate, and the water is separated from the impurities through the arranged separation box, so that the internal water can be recycled, and the water consumption is reduced; still set up crushing roller, carry out precomminution to the building stones after the screening to can not produce the dust, the rational utilization resource reduces the manufacturing cost of enterprise, and the practicality of device has been improved to the transportation and subsequent use of still being convenient for of precomminution building stones.
Drawings
FIG. 1 is a schematic structural diagram of a screening and crushing integrated device for screening impurities in sand aggregate.
Fig. 2 is a schematic structural diagram of an impurity guide plate in the screening and crushing integrated device for screening impurities in sand aggregate.
FIG. 3 is a schematic structural diagram of a conveyor belt in the screening and crushing integrated device for screening impurities in sand aggregate.
In the figure: 1-shell, 2-feed hopper, 3-screening plate, 4-cam, 5-spray pipe, 6-water pump, 7-water inlet pipe, 8-rotating shaft, 9-impurity guide plate, 10-impurity outlet, 11-impurity separation box, 12-solid discharge outlet, 13-filter screen, 14-water outlet, 15-stone guide plate, 16-pre-crushing roller, 17-driving roller, 18-conveying belt, 19-baffle, 20-collecting box, 21-supporting leg, 22-roller, 23-flow guide groove and 24-screen.
Detailed Description
Example 1
Referring to the figures, in the embodiment of the invention, the screening and crushing integrated device for screening impurities in gravel aggregates comprises a shell 1, a feed hopper 2, supporting legs 21 and rollers 22; the feed hopper 2 is fixedly communicated with the top of the shell 1, and sandstone aggregates are filled into the shell 1 through the feed hopper 2; the four corners of the bottom of the shell 1 are fixed with supporting legs 21, and the lower ends of the supporting legs 21 are provided with rollers 22 for walking, so that the device is convenient to move.
The screening plate 3 capable of swinging up and down is arranged at the upper part in the shell 1, the left end of the screening plate 3 is rotatably connected to the inner wall of the shell 1 through a rotating shaft 8, the right end of the screening plate 3 is inclined downwards, so that gravel aggregates falling on the screening plate 3 move downwards along the screening plate 3, a rotating cam 4 is horizontally arranged below the right end of the screening plate 3, the screening plate 3 is arranged on the cam 4, the right end of the screening plate 3 is supported through the cam 4, and the screening plate 3 is driven to shake when the cam 4 rotates, so that impurities fall after being separated; a plurality of horizontal spray pipes 5 are arranged above the screening plate 3, a plurality of downward nozzles are arranged on the spray pipes 5, water in the spray pipes 5 is sprayed on the screening plate 3 below, a water pump 6 positioned on the outer side of the shell 1 is communicated with the spray pipes 5, and a water inlet pipe 7 is communicated with the water pump 6 to supply water in the device; be provided with the impurity stock guide 9 of slope in the below of screening board 3, and the right-hand member is higher than the left end, impurity discharge port 10 has been seted up on the casing 1 lateral wall that the left end of impurity stock guide 9 corresponds, the other one end intercommunication impurity separation case 11 of impurity discharge port 10, impurity stock guide 9's upper surface an organic whole is provided with a plurality of along the ascending guiding gutter 23 of left and right sides, the longitudinal section of guiding gutter 23 is triangle-shaped, form a plurality of runners on impurity stock guide 9 on the surface, behind the upper shower water in every guiding gutter 23 rivers easily save, take away impurity when rivers are flowing, improve the discharge amount of impurity.
The impurity separation case 11 is internally provided with an inclined filter screen 13 for filtering water, impurities and water entering from the impurity discharge port 10 are filtered through the filter screen 13, the water falls from the filter screen 13, the impurities are on the filter screen 13, a solid discharge port 12 is formed in the side wall of the impurity separation case 11 corresponding to the upper surface of the filter screen 13, the impurities filtered from the solid discharge port are discharged, a water discharge port 14 is communicated with the bottom of the impurity separation case 11 and is used for discharging the filtered water, and the water discharge port 14 is communicated with the water inlet pipe 7 through a pipeline and a water collection tank, so that the spray water is recycled.
Example 2
On the basis of the embodiment 1, a stone material guide plate 15 for collecting discharged materials is arranged below the right end of the screening plate 3, stone materials falling from the end of the screening plate 3 are collected, two crushing rollers 16 which are horizontally arranged side by side and are mutually matched and extruded are arranged below the stone material guide plate 15, the falling stone materials are crushed by being extruded with the crushing rollers 16, the stone materials are pretreated, dust is not generated in the crushing process due to the fact that water is sprayed on the surface of the stone materials, and spraying water in the screening process is reasonably utilized to avoid dust raising; a horizontal conveyor belt 18 is arranged below the crushing roller 16, two ends of the conveyor belt 18 are wound on a driving roller 17, the conveyor belt 18 conveys falling crushed stones to the left, a plurality of uniformly distributed screen meshes 24 are embedded in the conveyor belt 18, the screen meshes 24 are formed by processing steel wire meshes, the crushed stones fall on the screen meshes 24 and are screened on the screen meshes 24, so that fine crushed stones fall down, and the larger crushed stones are conveyed out from the left end through the conveyor belt 18; a vertical baffle plate 19 is fixed at the left end of the conveyor belt 18, the baffle plate 19 is abutted against the surface of the conveyor belt 18, so that the screened larger stones fall on the left side of the baffle plate 19, and a coarse material discharge port is arranged at the left side of the baffle plate 19; a collecting box 20 is arranged right below the conveyor belt 18 and used for collecting fine stones falling from the upper part, and a fine material discharge port is formed in the side wall of the shell 1 corresponding to the collecting box 20.
The stone is filled from the feed hopper 2, firstly falls on the screening plate 3, the cam 4 is used for shaking the screening plate 3 up and down, the stone moves downwards due to the fact that the screening plate 3 inclines downwards, impurities such as stone powder, mud blocks and fine particles in the movement process fall through meshes of the screening plate 3, and the stone moves to the lower end on the screening plate 3; when stones move on the screening plate 3, the spraying pipe 5 sprays water downwards, so that the surfaces of the entering stones are wet, impurities such as stone powder, mud blocks and fine particles can be conveniently separated, dust can also be reduced, the sprayed water also falls on the impurity guide plate 9, and the impurities carrying the stone powder, the mud blocks, the fine particles and the like move downwards and then enter the impurity separation box 11 to be separated in the impurity separation box 11; the building stones that the lower extreme of screening board 3 falls are smashed with crushing roller 16 and are carried out the preliminary treatment, are convenient for subsequent transportation and processing and use, carry the screening through conveyer belt 18 after smashing, will smash the different granule sizes of building stones of back and separately take out, the categorised storage of being convenient for.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A screening and crushing integrated device for screening impurities in gravel aggregate comprises a shell (1), a feed hopper (2), support legs (21) and rollers (22); the feeding hopper (2) is fixedly communicated with the top of the shell (1), supporting legs (21) are fixed on four corners of the bottom of the shell (1), and idler wheels (22) used for walking are arranged at the lower ends of the supporting legs (21), the feeding hopper is characterized in that a screening plate (3) capable of swinging up and down is arranged at the upper part in the shell (1), the left end of the screening plate (3) is rotatably connected to the inner wall of the shell (1) through a rotating shaft (8), the right end of the screening plate (3) inclines downwards, a rotating cam (4) is horizontally arranged below the right end of the screening plate (3), and the screening plate (3) is arranged on the cam (4); a plurality of horizontal spray pipes (5) are arranged above the screening plate (3), a plurality of downward nozzles are arranged on the spray pipes (5), a water pump (6) positioned on the outer side of the shell (1) is communicated with the spray pipes (5), and a water inlet pipe (7) is communicated with the water pump (6); an inclined impurity guide plate (9) is arranged below the screening plate (3), the right end of the impurity guide plate (9) is higher than the left end, a plurality of guide grooves (23) arranged in the left-right direction are integrally formed in the upper surface of the impurity guide plate (9), the longitudinal sections of the guide grooves (23) are triangular, an impurity discharge port (10) is formed in the side wall of the shell (1) corresponding to the left end of the impurity guide plate (9), the other end of the impurity discharge port (10) is communicated with the impurity separation box (11), an inclined filter screen (13) used for filtering water is arranged in the impurity separation box (11), a solid discharge port (12) is formed in the side wall of the impurity separation box (11) corresponding to the upper surface of the filter screen (13), and a water discharge port (14) is communicated with the bottom of the impurity separation box (11); and a stone material guide plate (15) used for collecting discharged materials is arranged below the right end of the screening plate (3), and two crushing rollers (16) which are horizontally arranged side by side and mutually matched and extruded are arranged below the stone material guide plate (15).
2. The screening and crushing integrated device for screening impurities in sand aggregate according to claim 1, wherein the screening and crushing integrated device comprises: the water outlet (14) is communicated with the water inlet pipe (7) through a pipeline and a water collecting tank.
3. The screening and crushing integrated device for screening impurities in sand aggregate as claimed in claim 2, wherein the screening and crushing integrated device comprises: a horizontal conveyor belt (18) is arranged below the crushing roller (16), two ends of the conveyor belt (18) are wound on the transmission roller (17), and a plurality of uniformly distributed screen meshes (24) are embedded in the conveyor belt (18); a collecting box (20) is placed under the conveyor belt (18), and a fine material discharge opening is formed in the side wall of the shell (1) corresponding to the collecting box (20).
4. The screening and crushing integrated device for screening impurities in sand aggregate as claimed in claim 3, wherein the screening and crushing integrated device comprises: the screen (24) is formed by processing a steel wire mesh.
5. The screening and crushing integrated device for screening impurities in sand aggregate as claimed in claim 4, wherein the screening and crushing integrated device comprises: a vertical baffle (19) is fixed at the left end of the conveyor belt (18), and a coarse material discharge port is arranged at the left side of the baffle (19).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911281319.5A CN110898899B (en) | 2019-12-13 | 2019-12-13 | A integrative device is smashed in screening for screening grit aggregate impurity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911281319.5A CN110898899B (en) | 2019-12-13 | 2019-12-13 | A integrative device is smashed in screening for screening grit aggregate impurity |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110898899A CN110898899A (en) | 2020-03-24 |
CN110898899B true CN110898899B (en) | 2021-03-26 |
Family
ID=69825208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911281319.5A Active CN110898899B (en) | 2019-12-13 | 2019-12-13 | A integrative device is smashed in screening for screening grit aggregate impurity |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110898899B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112619843B (en) * | 2020-12-28 | 2022-06-24 | 浙江天造环保科技有限公司 | Pretreatment crushing and screening equipment for manufacturing waterproof mortar and preparation method of waterproof mortar |
CN113199631A (en) * | 2021-04-02 | 2021-08-03 | 广西恒日混凝土有限公司 | High-performance concrete production system |
CN113715205A (en) * | 2021-08-27 | 2021-11-30 | 南京欢颜包装有限公司 | Raw material feeding device for PLA straw production and using method thereof |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1430951A1 (en) * | 2002-12-19 | 2004-06-23 | KHD Humboldt Wedag AG | Closed-circuit grinding device with a mill and a sifter |
CN107318397A (en) * | 2017-08-23 | 2017-11-07 | 孙志娥 | A kind of Double-port grass chopper |
CN206899319U (en) * | 2017-02-18 | 2018-01-19 | 江西康琪实业有限公司 | A kind of rubber synchronous belt corner cutting efficient cutting |
CN108043768A (en) * | 2017-12-06 | 2018-05-18 | 郑州格瑞塔电子信息技术有限公司 | A kind of ore efficiently scrubs vibrations cleaning device |
CN207493852U (en) * | 2017-11-11 | 2018-06-15 | 深圳市东大洋水泥制品有限公司 | A kind of concrete multistage grinder |
CN208320909U (en) * | 2018-04-28 | 2019-01-04 | 洛阳广豫精细钙业有限公司 | Calcium carbonate grinder with screening function |
CN109277178A (en) * | 2018-11-15 | 2019-01-29 | 何中明 | A kind of grinding device of automatic screening |
CN208661237U (en) * | 2018-04-26 | 2019-03-29 | 秀山县雨易环保科技有限公司 | A kind of silica brick raw material grinding device |
-
2019
- 2019-12-13 CN CN201911281319.5A patent/CN110898899B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1430951A1 (en) * | 2002-12-19 | 2004-06-23 | KHD Humboldt Wedag AG | Closed-circuit grinding device with a mill and a sifter |
CN206899319U (en) * | 2017-02-18 | 2018-01-19 | 江西康琪实业有限公司 | A kind of rubber synchronous belt corner cutting efficient cutting |
CN107318397A (en) * | 2017-08-23 | 2017-11-07 | 孙志娥 | A kind of Double-port grass chopper |
CN207493852U (en) * | 2017-11-11 | 2018-06-15 | 深圳市东大洋水泥制品有限公司 | A kind of concrete multistage grinder |
CN108043768A (en) * | 2017-12-06 | 2018-05-18 | 郑州格瑞塔电子信息技术有限公司 | A kind of ore efficiently scrubs vibrations cleaning device |
CN208661237U (en) * | 2018-04-26 | 2019-03-29 | 秀山县雨易环保科技有限公司 | A kind of silica brick raw material grinding device |
CN208320909U (en) * | 2018-04-28 | 2019-01-04 | 洛阳广豫精细钙业有限公司 | Calcium carbonate grinder with screening function |
CN109277178A (en) * | 2018-11-15 | 2019-01-29 | 何中明 | A kind of grinding device of automatic screening |
Also Published As
Publication number | Publication date |
---|---|
CN110898899A (en) | 2020-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110898899B (en) | A integrative device is smashed in screening for screening grit aggregate impurity | |
CN107497580B (en) | Sand and stone production line | |
CN111701840A (en) | Concrete grit screening processing apparatus | |
CN209791943U (en) | Grit sieving mechanism | |
CN205731566U (en) | A kind of concrete aggregate system of processing | |
CN112844809A (en) | Integrated shield muck environment-friendly treatment system | |
CN107262367A (en) | A kind of wet type sand sieving machine for building | |
CN217616083U (en) | Grit belt cleaning device | |
CN113976519A (en) | Cleaning system for sandstone aggregate and using method thereof | |
CN214555733U (en) | Grit fine granule material ore washing device | |
CN205217099U (en) | Piece mechanism sand production system | |
CN219581197U (en) | Pebble belt cleaning device | |
CN204620182U (en) | A kind of building waste process washing cellular construction | |
CN204523174U (en) | A kind of building waste process crushing and screening cellular construction | |
CN216459123U (en) | Ore crushing and screening device for quartz stone processing | |
CN216369204U (en) | Cleaning system of grit aggregate | |
CN214555331U (en) | Recycled concrete coarse aggregate screening treatment device | |
CN214637261U (en) | Integrated shield muck environment-friendly treatment device | |
CN214766092U (en) | Vertical sand making machine classifying screen feeding device that shakes | |
CN204523175U (en) | A kind of building waste process dust collecting system | |
CN210187399U (en) | Light material and mud powder separating device in building rubbish orthopedics | |
CN207356680U (en) | A kind of sand-gravel separation device | |
CN112473983A (en) | Processing method convenient for recycling building materials | |
CN207204316U (en) | A kind of sandstone production line | |
CN106140449A (en) | A kind of vibration type sand washer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |