CN213194012U - Recycled concrete waste recovery device - Google Patents

Recycled concrete waste recovery device Download PDF

Info

Publication number
CN213194012U
CN213194012U CN202021675704.6U CN202021675704U CN213194012U CN 213194012 U CN213194012 U CN 213194012U CN 202021675704 U CN202021675704 U CN 202021675704U CN 213194012 U CN213194012 U CN 213194012U
Authority
CN
China
Prior art keywords
casing
roller
concrete
lateral wall
wall
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
Application number
CN202021675704.6U
Other languages
Chinese (zh)
Inventor
马景申
侯海涛
王瑞刚
付文伟
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.)
Beijing Urban Construction Yatai Jintong Concrete Co ltd
Original Assignee
Beijing Urban Construction Yatai Jintong Concrete Co ltd
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 Beijing Urban Construction Yatai Jintong Concrete Co ltd filed Critical Beijing Urban Construction Yatai Jintong Concrete Co ltd
Priority to CN202021675704.6U priority Critical patent/CN213194012U/en
Application granted granted Critical
Publication of CN213194012U publication Critical patent/CN213194012U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Disintegrating Or Milling (AREA)
  • Crushing And Grinding (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The utility model relates to a recycled concrete waste recovery device, it includes base, motor power and driving motor, is provided with the casing on the base, and the fixed motor power and the driving motor that are provided with of casing outer wall, the casing top is provided with the feeder hopper, the feeder hopper communicates with the casing is inside, and the inside one end that is close to the feeder hopper of casing is provided with the determine module that is used for screening the concrete, and motor power is used for driving the determine module and rotates, and the inside broken subassembly that is used for smashing the concrete that is provided with of casing, and driving motor is used for driving the broken subassembly and rotates, and broken subassembly is located the below of determine module output, and the casing is close to the lateral wall of broken subassembly and is provided with discharging channel, and this application has concrete and iron wire iron nail separation in the concrete waste to.

Description

Recycled concrete waste recovery device
Technical Field
The application relates to the technical field of waste recovery, especially, relate to a recycled concrete waste recovery device.
Background
The recycled concrete is prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded waste concrete blocks with a grading mixture according to a certain proportion, partially or completely replacing natural aggregates such as sand stones and the like, and adding cement, water and the like to prepare new concrete.
The relevant art can use reducing mechanism to carry out the concrete crushing after retrieving the concrete, thereby carries out grit separation and realizes the recovery to the concrete waste material, but iron wire and the iron nail that use when mixing in general concrete waste material has construction, can not lead to the fact the influence to the quality of follow-up recycled concrete with concrete and iron nail iron wire separation.
In view of the above-mentioned related art, the inventors considered that iron wires and nails in the concrete waste may have a defect that affects the quality of the recycled concrete.
SUMMERY OF THE UTILITY MODEL
In order to improve iron wire and iron nail among the concrete waste material and can influence the defect of recycled concrete quality, this application provides a recycled concrete waste recovery device.
The application provides a recycled concrete waste recovery device adopts following technical scheme:
the utility model provides a recycled concrete waste recovery device, includes base, motor power and driving motor, is provided with the casing on the base, and the fixed motor power and the driving motor that are provided with of casing outer wall, the casing top is provided with the feeder hopper, the inside intercommunication of feeder hopper and casing, and the inside one end that is close to the feeder hopper of casing is provided with the determine module that is used for screening the concrete, and motor power is used for driving the determine module and rotates, and the inside broken subassembly that is used for smashing the concrete that is provided with of casing, driving motor are used for driving broken subassembly and rotate, and broken subassembly is located the below of determine module output, and the lateral wall that the casing is close.
Through adopting above-mentioned technical scheme, the pillar is used for supporting the base, the concrete waste material gets into the back from the feeder hopper, move along the separator assembly, the magnetism roller has magnetism, adsorb materials such as iron wire iron nail in the concrete, the iron wire iron nail moves scraper blade department along with the separator assembly, thereby it separates with the concrete to fall into the casing bottom by the scraper blade separation assembly, the concrete moves broken assembly department along with the separator assembly, smash by broken assembly, then flow from discharging channel and realized the effect with iron nail and concrete separation, the concrete waste material after the separation makes recycled concrete via staff's recovery ratio, the quality of recycled concrete has been guaranteed.
Preferably, the separating component comprises a plurality of magnetic rollers, a conveyor belt and scrapers, the two ends of each magnetic roller are rotatably connected with the side wall of the shell, the outer wall of each magnetic roller is provided with the conveyor belt in a winding mode, the power motor is fixedly connected with the magnetic rollers, the magnetic rollers are horizontally arranged, the scrapers are arranged on the side wall inside the shell, the scrapers are located below the input end of the conveyor belt, one end of each scraper is fixedly connected with the shell, and the other end of each scraper is abutted to the outer wall.
Through adopting above-mentioned technical scheme, the concrete waste material gets into the drive belt input, and the material such as iron wire iron nail in the magnetic roll with the concrete waste material adsorbs, then along with the conveyer belt motion, moves scraper blade department when the iron nail, is broken away from the drive belt by the scraper blade and drops, thereby concrete after the separation falls down iron nail and concrete separation from the conveyer belt output then.
Preferably, the vertical baffle that is provided with in magnetism roller both sides, baffle along perpendicular magnetism roller axis of rotation setting, the magnetism roller runs through the baffle and rotates with the baffle to be connected, baffle lateral wall and conveyer belt edge butt.
Through adopting above-mentioned technical scheme, thereby prevent that the iron wire of iron nail from being adsorbed the back, thereby get into from the conveyer belt edge and make the magnetism roller damage between the adjacent magnetism roller, thereby prevent to influence the magnetism roller and rotate and guarantee the better separation of concrete and iron nail in the concrete waste material.
Preferably, the just relative lateral wall of baffle is fixed and is provided with a plurality of faggings to one side, and the fagging sets up along conveyer belt transmission direction, and the fagging is with the conveyer belt butt.
Through adopting above-mentioned technical scheme, further prevent that the iron nail from getting into between the adjacent magnetism roller from the gap between baffle and the conveyer belt and influencing the magnetism roller and normally work.
Preferably, broken subassembly includes a plurality of crushing rollers and rubble sword, the rubble sword is provided with a plurality of groups, and the rubble sword is all fixed to be set up at crushing roller circumference outer wall, and the crushing roller both ends are rotated with the casing lateral wall and are connected, driving motor pivot and crushing roller fixed connection, and adjacent crushing roller rotation opposite direction.
Through adopting above-mentioned technical scheme, rubble sword mutual extrusion on the crushing roller is smashed the bulk concrete and is become the fritter concrete, is convenient for retrieve the batching after the concrete is smashed and puts into use again.
Preferably, the vertical division board that is provided with of casing diapire, division board separate the casing and form left cavity and right cavity, crushing unit is located left cavity, the waste outlet has been seted up to the diapire of right cavity, and the diapire of right cavity is provided with accepts the board, and it is articulated with waste outlet lateral wall to accept the board, accepts board circumference outer wall and waste outlet lateral wall butt.
Through adopting above-mentioned technical scheme, set up the concrete that the division board will be separated and arrange left cavity and right cavity respectively in with the iron nail and be convenient for separately retrieve, the iron nail and the iron wire that are located left cavity pass through the waste outlet and collect, accept the board and be used for opening or close the waste outlet, are convenient for retrieve the iron nail in unison.
Preferably, broken subassembly below is provided with a plurality of rollers of smashing, and the roller both ends of smashing are rotated with the casing lateral wall and are connected, and smash the roller axis of rotation and be parallel with the crushing roller axis of rotation, around being equipped with driving belt between crushing roller and the driving motor pivot.
Through adopting above-mentioned technical scheme, the roller that smashes carries out the secondary and pulverizes to the concrete of fritter, makes the concrete further refine the mixing of follow-up concrete and batching of being convenient for.
Preferably, the bottom wall of the left chamber of the shell is obliquely and downwards arranged in the direction close to the discharging channel.
Through adopting above-mentioned technical scheme, make the diapire outflow of two times crushed concrete follow left cavity, the concrete after smashing is under self action of gravity, flows along the diapire of slope and is convenient for the staff to collect.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the separation assembly is arranged to separate the iron nails in the concrete waste from the concrete, so that the iron nails are prevented from entering the crushing assembly, and the crushing assembly is prevented from being damaged;
2. the arrangement of the baffle plate prevents the separated iron nails and iron wires from entering between the adjacent magnetic rollers along the edge of the conveyor belt to damage the magnetic rollers so as to influence the rotation of the magnetic rollers;
3. the arrangement of the grinding roller further refines the concrete, so that the subsequent concrete powder and the ingredients can be fully mixed conveniently.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application;
fig. 3 is a cross-sectional view showing the baffle plate and the inclined strut plate.
Description of reference numerals: 1. a base; 11. a pillar; 12. a waste outlet; 13. a bearing plate; 14. a partition plate; 15. a left chamber; 16. a right chamber; 17. a support; 2. a housing; 21. a feed hopper; 22. a discharge channel; 3. a separation assembly; 31. a magnetic roller; 311. a baffle plate; 312. a diagonal bracing plate; 32. a conveyor belt; 33. a squeegee; 4. a crushing assembly; 41. a crushing roller; 42. a lithotripter; 5. a power motor; 6. a drive motor; 61. a drive belt; 7. and (4) crushing the roller.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses recycled concrete waste recovery device.
Referring to fig. 1 and 2, a recycled concrete waste recycling device comprises a base 1, pillars 11 are vertically arranged at four corners of the bottom of the base 1, the pillars 11 are fixedly connected with the base 1, a shell 2 is fixedly arranged on the base 1, the top wall of the shell 2 is communicated with a feed hopper 21, a power motor 5 and two driving motors 6 are fixedly arranged on the side wall of the shell 2, three brackets 17 are fixedly arranged on the side wall of the shell 2, a separation component 3 is arranged inside the shell 2, a crushing component 4 is arranged inside the shell 2, a discharge channel 22 is arranged on the side wall of the shell 2 close to the crushing component 4, the discharge channel 22 is communicated with the shell 2, the discharge channel 22 is inclined downwards, concrete waste enters from the feed hopper 21, iron nails are separated from concrete through the separation component 3, the concrete reaches the crushing component 4 from the output end of the separation component 3 for crushing treatment, thereby achieving the effect of not influencing the quality of the recycled concrete.
Referring to fig. 1 and 2, a bracket 17 is respectively positioned below a power motor 5 and a driving motor 6, the top wall of the bracket 17 is abutted with the circumferential outer wall of the motor, the input end of a separation component 3 is positioned below a feed hopper 21, the separation component 3 comprises a plurality of magnetic rollers 31, a conveyor belt 32 and scrapers 33, the magnetic rollers 31 are provided with four magnetic rollers 31, the magnetic rollers 31 are horizontally arranged, two ends of each magnetic roller 31 are rotatably connected with a shell 2, adjacent magnetic rollers 31 are arranged at intervals, a plane formed by the rotating shafts of the four magnetic rollers 31 inclines downwards along the direction close to a discharge channel 22, the driving motor 6 is fixedly connected with one end of the highest magnetic roller 31, the conveyor belt 32 is wound on the outer wall of the magnetic roller 31, the scrapers 33 are fixedly arranged on the inner wall of the shell 2, the scrapers 33 are arc plates, the scrapers 33 are positioned below the input end of the conveyor belt 32, one end of the, broken subassembly 4 includes two crushing rollers 41 and a plurality of rubble sword 42, 41 axis of rotation of crushing roller and 31 axis of rotation parallel arrangement of magnetic roll, 41 both ends of crushing roller rotate with casing 2 to be connected, a plurality of rubble sword 42 are all fixed to be set up on 41 circumference outer walls of crushing roller, rubble sword 42 sets up crisscross each other, two driving motor 6 respectively with the fixed setting of one end of two crushing rollers 41, and adjacent crushing roller 41 rotates opposite direction, the concrete waste material arrives the conveyer belt 32 output from conveyer belt 32 input, the concrete reachs the conveyer belt 32 output and falls down then, magnetic roll 31 adsorbs iron nail and iron wire, iron nail and iron wire move scraper blade 33 department and then are hung by scraper blade 33 and fall, make iron nail and concrete separation, thereby guarantee the quality of recycled concrete.
Referring to fig. 1 and 2, two crushing rollers 7 are arranged in a housing 2, two ends of each crushing roller 7 are rotatably connected with the housing 2, the crushing rollers 7 are positioned under a crushing assembly 4, the rotating shafts of the crushing rollers 7 are arranged in parallel with the rotating shafts of crushing rollers 41, the circumferential outer walls of adjacent crushing rollers 7 are abutted and rotate in opposite directions, the crushing rollers 7 penetrate through the side wall of the housing 2, a transmission belt 61 is wound between one end close to a driving motor 6 and the rotating shaft of the driving motor 6, a partition plate 14 is vertically arranged in the housing 2, the partition plate 14 is fixedly connected with the bottom wall of the housing 2, the height of the partition plate 14 does not reach the top wall of the housing 2, the partition plate 14 is positioned under a transmission belt 32, the partition plate 14 divides the interior of the housing 2 into a left chamber 15 and a right chamber 16, the crushing assembly 4 and the crushing rollers 7 are both positioned in the left chamber 15, a waste outlet 12, 12 lateral walls of waste outlet are provided with accepts board 13, it is articulated with 12 lateral walls of waste outlet to accept board 13, accept board 13 circumference lateral wall and 12 lateral walls butt of waste outlet, casing 2 is located the diapire of left cavity 15 and sets up downwards along keeping away from the slope of division board 14, discharging channel 22 diapire is connected and the gradient is the same with the 2 diapires of casing, the concrete waste material is through separation treatment, the concrete falls into the broken subassembly 4 department of left cavity 15, the iron nail falls into right cavity 16, then it is convenient for take out to open accepts board 13, grind the concrete that roller 7 will be broken and further grind the back and flow out from discharging channel 22 after refining, it is more abundant with other batching mixes to be convenient for the concrete is collected and the concrete refines the back ability.
Referring to fig. 3, two ends of the magnetic roller 31 near the sidewall of the housing 2 are provided with a baffle 311, the baffle 311 is vertically arranged, the magnetic roller 31 penetrates the baffle 311 and is rotatably connected with the baffle 311, the sidewall of the baffle 311 abuts against the edge of the conveyor belt 32, two inclined support plates 312 are arranged between the baffle 311 and the magnetic roller 31, a plurality of inclined support plates 312 are fixedly arranged on the sidewall opposite to the baffle 311, the inclined support plates 312 are respectively positioned on the upper and lower sides of the baffle 311, one end of each inclined support plate 312 is fixedly connected with the baffle 311, the other end of each inclined support plate is obliquely arranged near the magnetic roller 31, one side of each inclined support plate 312 adjacent to the magnetic roller 31 abuts against the conveyor belt 32, during the conveying process of concrete waste materials, the gap between the magnetic rollers 31 is easily accessed from the edge of the conveyor belt 32, the rotation of the magnetic roller 31 is hindered, the baffle 311 hinders concrete or iron nails from the, the waste concrete enters the space between the adjacent magnetic rollers 31 from the gap between the baffle 311 and the conveyor belt 32 to damage the magnetic rollers 31 or prevent the magnetic rollers 31 from rotating, the magnetic rollers 31 are protected to enable the magnetic rollers 31 to normally rotate, so that the waste concrete is better separated, and the follow-up staff can conveniently collect and treat the concrete.
The implementation principle of the recycled concrete waste recovery device in the embodiment of the application is as follows: concrete waste drops into from feeder hopper 21, iron nail and concrete separation in with concrete waste through separable set 3, the scraper blade 33 department is transported along with conveyer belt 32 to adsorbed iron nail, scrape by scraper blade 33 and fall into right cavity 16 and treat the staff and retrieve, the concrete falls into the centre of adjacent crushing roller 41 from conveyer belt 32 output and carries out the breakage, the broken concrete fritter that has fallen into crushing roller 7 then, crushing roller 7 carries out the regrinding with the concrete crumb and refines, concrete after refining flows from discharging channel 22 and is convenient for the staff and carry out recovery processing, separate concrete waste, iron nail and iron wire are peeled off the back, can improve the purity of concrete, guarantee the quality of recycled concrete.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a recycled concrete waste recovery device, includes base (1), motor power (5) and driving motor (6), its characterized in that: be provided with casing (2) on base (1), casing (2) outer wall is fixed and is provided with power motor (5) and driving motor (6), casing (2) top is provided with feeder hopper (21), feeder hopper (21) and casing (2) inside intercommunication, the inside one end that is close to feeder hopper (21) of casing (2) is provided with separating component (3) that are used for screening the concrete, power motor (5) are used for driving separating component (3) and rotate, casing (2) inside is provided with broken subassembly (4) that are used for smashing the concrete, driving motor (6) are used for driving broken subassembly (4) and rotate, broken subassembly (4) are located the below of separating component (3) output, the lateral wall that casing (2) are close to broken subassembly (4) is provided with discharging channel (22).
2. The recycled concrete waste recycling apparatus according to claim 1, wherein: separation component (3) include a plurality of magnetic roller (31), conveyer belt (32) and scraper blade (33), magnetic roller (31) both ends are rotated with casing (2) lateral wall and are connected, magnetic roller (31) outer wall is around being equipped with conveyer belt (32), driving motor (5) and magnetic roller (31) fixed connection and magnetic roller (31) level set up, scraper blade (33) set up on the inside lateral wall of casing (2), scraper blade (33) are located the below of conveyer belt (32) input, scraper blade (33) one end and casing (2) fixed connection, the other end and conveyer belt (32) outer wall butt.
3. The recycled concrete waste recycling apparatus according to claim 2, wherein: baffle (311) are vertically provided with in magnetic roll (31) both sides, and baffle (311) set up along perpendicular magnetic roll (31) axis of rotation, and magnetic roll (31) run through baffle (311) and rotate with baffle (311) and be connected, baffle (311) lateral wall and conveyer belt (32) edge butt.
4. A recycled concrete waste recycling apparatus as claimed in claim 3, wherein: the just relative lateral wall of baffle (311) is fixed and is provided with a plurality of fagging (312), and fagging (312) set up along conveyer belt (32) transmission direction, and fagging (312) and conveyer belt (32) butt.
5. The recycled concrete waste recycling apparatus according to claim 1, wherein: broken subassembly (4) include a plurality of crushing rollers (41) and rubble sword (42), rubble sword (42) are provided with a plurality of groups, and rubble sword (42) are all fixed to be set up at crushing roller (41) circumference outer wall, and crushing roller (41) both ends rotate with casing (2) lateral wall to be connected, driving motor (6) pivot and crushing roller (41) fixed connection, and adjacent crushing roller (41) rotate opposite direction.
6. The recycled concrete waste recycling apparatus according to claim 1, wherein: base (1) bottom four corners is all fixed and is provided with pillar (11), and casing (2) diapire is vertical to be provided with division board (14), and division board (14) separate casing (2) and form left cavity (15) and right cavity (16), broken subassembly (4) are located left cavity (15), waste outlet (12) have been seted up to the diapire of right cavity (16), and the diapire of right cavity (16) is provided with accepts board (13), accepts board (13) and waste outlet (12) lateral wall articulated, accepts board (13) circumference outer wall and waste outlet (12) lateral wall butt.
7. The recycled concrete waste recycling apparatus according to claim 5, wherein: broken subassembly (4) below is provided with a plurality of rollers of smashing (7), and roller of smashing (7) both ends are rotated with casing (2) lateral wall and are connected, and just roller of smashing (7) axis of rotation is parallel with crushing roller (41) axis of rotation, and around being equipped with driving belt (61) between roller of smashing (7) and driving motor (6) pivot.
8. The recycled concrete waste recycling apparatus according to claim 1, wherein: the bottom wall of the left chamber (15) of the shell (2) is arranged obliquely downwards along the direction close to the discharging channel (22).
CN202021675704.6U 2020-08-12 2020-08-12 Recycled concrete waste recovery device Active CN213194012U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021675704.6U CN213194012U (en) 2020-08-12 2020-08-12 Recycled concrete waste recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021675704.6U CN213194012U (en) 2020-08-12 2020-08-12 Recycled concrete waste recovery device

Publications (1)

Publication Number Publication Date
CN213194012U true CN213194012U (en) 2021-05-14

Family

ID=75838531

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021675704.6U Active CN213194012U (en) 2020-08-12 2020-08-12 Recycled concrete waste recovery device

Country Status (1)

Country Link
CN (1) CN213194012U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113526062A (en) * 2021-08-02 2021-10-22 宜宾钢猫科技有限公司 Needling conveyor belt apparatus
CN114082476A (en) * 2021-11-30 2022-02-25 青岛瑞莱斯重工有限公司 Ore crushing device
CN114247505A (en) * 2021-12-27 2022-03-29 苏州新城万斯达住宅工业有限公司 Reinforced concrete prefabricated part recycling treatment system
CN114408618A (en) * 2022-02-25 2022-04-29 宁夏天地奔牛实业集团有限公司 Breaker and belt conveyor for belt conveyor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113526062A (en) * 2021-08-02 2021-10-22 宜宾钢猫科技有限公司 Needling conveyor belt apparatus
CN114082476A (en) * 2021-11-30 2022-02-25 青岛瑞莱斯重工有限公司 Ore crushing device
CN114082476B (en) * 2021-11-30 2023-09-08 青岛瑞莱斯机械有限公司 Ore crushing device
CN114247505A (en) * 2021-12-27 2022-03-29 苏州新城万斯达住宅工业有限公司 Reinforced concrete prefabricated part recycling treatment system
CN114408618A (en) * 2022-02-25 2022-04-29 宁夏天地奔牛实业集团有限公司 Breaker and belt conveyor for belt conveyor
CN114408618B (en) * 2022-02-25 2024-02-06 宁夏天地奔牛实业集团有限公司 Belt conveyor and breaker for same

Similar Documents

Publication Publication Date Title
CN213194012U (en) Recycled concrete waste recovery device
CN206372933U (en) Filtration treatment device is crushed in a kind of construction waste lifting
CN209968516U (en) A smash sorting unit for quartz sand
CN112318716A (en) Recycled concrete preparation process and system
CN209791738U (en) Concrete reducing mechanism with screening function
CN216605363U (en) Recycled concrete apparatus for producing
CN214262264U (en) Recycled concrete raw materials for production breaker
CN211099334U (en) Bentonite reducing mechanism
CN111439978A (en) Anti-crack recycled concrete and manufacturing method thereof
CN113042165A (en) Building wall dope layer additive grinding device
CN217830277U (en) Aggregate feeding device for mechanical mixing station
CN108246459B (en) A kind of construction waste crushing device
CN116493110A (en) Recycled aggregate preparation device for ready-mixed concrete
CN217450465U (en) Grinding machine is smashed with smashing in cement product processing
CN218222791U (en) Slag crushing apparatus for cement production
CN212493322U (en) Kitchen waste treatment device with multi-component linkage
CN213133483U (en) Raw material crushing device for additive
CN210357449U (en) Mould shell crusher
CN217020963U (en) Recycled concrete batching and mixing device
CN219308917U (en) Crushing and grinding device for solid chemical raw materials
CN219966348U (en) Molding sand recycling and screening equipment
CN214925731U (en) Mixing arrangement of gold tailings sand and light plaster wallboard that plasters
CN215694755U (en) Sand making machine for environment-friendly concrete production
CN220780615U (en) Reinforcing device for recycled concrete aggregate
CN220991118U (en) A raw materials reducing mechanism for traditional chinese medicine research and development

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant