CN211801111U - Concrete aggregate reducing mechanism - Google Patents
Concrete aggregate reducing mechanism Download PDFInfo
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- CN211801111U CN211801111U CN202020403807.0U CN202020403807U CN211801111U CN 211801111 U CN211801111 U CN 211801111U CN 202020403807 U CN202020403807 U CN 202020403807U CN 211801111 U CN211801111 U CN 211801111U
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Abstract
The utility model belongs to the technical field of the technique of concrete aggregate and specifically relates to a concrete aggregate reducing mechanism is related to, it includes the frame and sets up the broken mechanism in the frame, broken mechanism sets up to three groups, broken mechanism top-down is broken mechanism of one-level, second grade and tertiary broken mechanism in proper order, is provided with between the adjacent broken mechanism to be used for smashing the screening subassembly that insufficient building was wasted screening admittedly. The utility model discloses a screening out smashing the insufficient building solid useless to make the operational load that reduces the broken mechanism of subordinate too big, guaranteed the quality of the recycled concrete aggregate that obtains after the breakage simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the technique of concrete aggregate and specifically relates to a concrete aggregate reducing mechanism is related to.
Background
The construction solid waste is construction solid waste, which means that various solid wastes such as coal gangue, fly ash, coal cinder, blast furnace slag, steel slag and the like have components and properties required by construction materials, the wastes can be recycled to be made into the construction materials again, and the wastes are recycled to be made into recycled aggregate at present.
Chinese patent publication No. CN109201231A discloses a concrete aggregate crushing device (i.e., a concrete aggregate crushing device based on graded load reduction crushing technology in the text), which comprises a case, wherein the bottom wall of the inner cavity of the case is inclined, a partition board is arranged on the left side of the top wall of the inner cavity of the case, the partition board divides the inner cavity of the case into a crushing cavity and a crushing cavity, the crushing cavity is arranged on the left side of the crushing cavity, a crushing mechanism is arranged in the crushing cavity, and a crushing mechanism is arranged on the bottom wall of the inner cavity of the crushing cavity. The top end of the crushing cavity is provided with a feeding cylinder, the feeding cylinder is of a cylindrical structure, the top end of one side end of the feeding cylinder is communicated with a feeding hopper, the bottom end of the feeding cylinder is provided with a communicating hole, and the feeding cylinder is communicated with the crushing cavity through the communicating hole; the top of charging barrel is equipped with and pushes away the material motor, and the inner chamber of charging barrel is equipped with crushing pole, and the axis of charging barrel coincides with the axis of crushing pole, and the roof and the fixed connection that the charging barrel was run through on the top of crushing pole push away the motor shaft of material motor, and crushing pole rotates through the bearing to be connected on the charging barrel, and the outer disc cover of crushing pole is equipped with the spiral and pushes away the sword.
When using this concrete reducing mechanism, the start pushes away the material motor, drives and smashes the high-speed rotation of pole, and then drives the spiral and promote the high-speed rotation of sword, and the spiral promotes the sword and carries out preliminary shredding to the building that comes from the loading hopper useless admittedly, and the building after preliminary shredding useless accomplishes crushing back in smashing the intracavity, and the intracavity is smashed in the smooth crushing chamber that goes to of inner chamber diapire along quick-witted case, smashes the intracavity further and smashes.
Concrete aggregate reducing mechanism of prior art is for setting up to tertiary breakage, nevertheless just gets into next stage breakage through the screening after every grade of smashing, when probably leading to the breakage, the breakage is insufficient to lead to the solid waste particle diameter of building after smashing too big, and then leads to the breaker of next stage too big in operational load, influences next stage reducing mechanism's life, influences the quality of the recycled concrete aggregate after the breakage even.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a concrete aggregate reducing mechanism, which aims to solve the problems mentioned above.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a concrete aggregate reducing mechanism, includes the frame and sets up the crushing mechanism in the frame, crushing mechanism sets up to three groups, crushing mechanism top-down is one-level crushing mechanism, second grade crushing mechanism and tertiary crushing mechanism in proper order, is provided with between the adjacent crushing mechanism to be used for smashing the screening subassembly of insufficient building solid useless screening.
Through adopting above-mentioned technical scheme, when using this concrete aggregate reducing mechanism, smash building solid useless through crushing mechanism, building solid useless after one-level crushing mechanism is broken, sieve through the screening subassembly, the solid useless screening of the insufficient building that will smash comes out, smash abundant building and get into second grade crushing mechanism useless and break, then sieve once more through the screening subassembly, the solid useless screening of the insufficient building that will smash comes out, smash abundant building and get into tertiary crushing mechanism useless and break, the building solid useless completion through tertiary crushing mechanism is broken, through sieving insufficient building solid useless screening, thereby it is too big to make the operation load that reduces subordinate's crushing mechanism, the quality of the recycled concrete aggregate that obtains after the breakage has been guaranteed simultaneously.
The utility model discloses further set up to: the primary crushing mechanism comprises a driving assembly, a fixing plate and a crushing plate;
the fixed plate is fixedly arranged on the rack, the fixed plate and the crushing plate are obliquely arranged and form a crushing cavity close to each other, the crushing cavity shrinks from top to bottom, and the driving assembly drives the crushing plate to move towards the fixed plate in a reciprocating mode.
Through adopting above-mentioned technical scheme, after the building gets into the broken mechanism of one-level useless admittedly, get into the crushing chamber, drive the crushing board through drive assembly and be reciprocating motion towards the fixed plate, extrude the breakage through the crushing board to building useless admittedly to accomplish crushing function.
The utility model discloses further set up to: the driving assembly comprises a primary driving piece, a flywheel and a cam rod;
the primary driving piece is mounted on the rack and drives the flywheel to rotate, the flywheel is arranged on the rack, the cam rod is mounted on the center of one side of the flywheel, a rotating through hole penetrating through the crushing plate is formed in the upper end of the side face of the crushing plate, the cam rod is located inside the rotating through hole, and the lower end of the crushing plate is hinged to the rack.
Through adopting above-mentioned technical scheme, the one-level driving piece drives the flywheel and rotates, and the flywheel drives the cam lever and rotates, drives crushing board upper end when the cam lever rotates and is reciprocating motion towards the fixed plate to realize the crushing function.
The utility model discloses further set up to: the secondary crushing mechanism comprises two crushing rollers with parallel axes and a secondary driving piece for driving the two crushing rollers to rotate, and one side, close to each other, of the two crushing rollers rotates downwards.
Through adopting above-mentioned technical scheme, after the building gets into the broken mechanism of second grade useless admittedly, the material receives the meshing force effect of crushing roller, drives the material through between two crushing rollers, receives the crowded roll and the shearing of crushing roller simultaneously and grinds, makes the material cracked, and the tiny particle after cracked is along the rotatory tangent line of crushing roller, through the clearance of two crushing rollers, throws out to the crushing roller below, and the large granule material that exceeds the clearance continues to be broken into the tiny particle and discharges to accomplish crushing function.
The utility model discloses further set up to: tertiary broken mechanism includes multiunit crushing roller and the drive that is parallel to each other crushing roller pivoted tertiary driving piece, the position that the diapire is located crushing roller in the frame is along material transmission direction downward sloping, one side that crushing roller is close to diapire in the frame is rotated towards material transport direction.
Through adopting above-mentioned technical scheme, after the building admits to tertiary broken mechanism useless admittedly, the material receives the meshing force effect of crushing roller, drive the material through between crushing roller and the frame inner bottom wall, receive crushing roller's squeeze and cut simultaneously and grind, make the material cracked, the tiny particle after cracked is along the rotatory tangent line of crushing roller, through the clearance of crushing roller and frame inner bottom wall, throw out to crushing roller one side, the large granule material that surpasss the clearance continues to be broken into the tiny particle and discharges to accomplish crushing function.
The utility model discloses further set up to: the screening component comprises a filter screen and a material return box;
the filter screen sets up between adjacent two sets of crushing mechanism, the feed back case set up in one side of filter screen and with frame sliding connection.
Through adopting above-mentioned technical scheme, through the size of the filtration pore on the control filter screen to the particle diameter of the solid useless of building of filter screen is passed through in the size control of control filtration pore, and the solid useless unable filter screen that passes through of building is not broken fully, drops into the feed back phase, carries out the breakage once more.
The utility model discloses further set up to: filter screen one end articulates in the frame, the filter screen other end is provided with the cylinder, the cylinder output with filter screen fixed connection, when the cylinder output is located the stroke minimum, the filter screen is the level setting.
Through adopting above-mentioned technical scheme, when screening, start the cylinder, the cylinder drives the filter screen vibration, drives the solid useless vibration of building during the filter screen vibration, will unable building through the filter screen simultaneously and useless vibration to the feed back box admittedly, it is not good to pile up because of the waste material less, improves filtration efficiency.
The utility model discloses further set up to: the feed back box lower extreme is provided with reserve feed back box, reserve feed back box with frame sliding connection.
Through adopting above-mentioned technical scheme, when having collected a certain amount of building when useless admittedly in the feed back case, take out the feed back case, smash the building useless admittedly in the feed back case again, when the feed back case takes out, the building that can't pass through the filter screen is useless admittedly and drops into reserve feed back case for need not shut down alright with smash the building useless admittedly in the feed back case again.
The utility model discloses further set up to: the material return box and the standby material return box are provided with handles.
Through adopting above-mentioned technical scheme, through setting up the handle, the operating personnel of being convenient for takes out feed back case and reserve feed back case.
The utility model discloses further set up to: the material receiving box is located behind the three-stage crushing mechanism along the material conveying direction.
Through adopting above-mentioned technical scheme, receive the workbin through setting up, the recycled concrete aggregate who smashes at last and obtain drops into receiving the workbin, and the centralized processing of being convenient for improves efficiency.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when the concrete aggregate crushing device is used, the insufficiently crushed building solid waste is screened out, so that the overlarge running load of a lower-level crushing mechanism is reduced, and the quality of the recycled concrete aggregate obtained after crushing is ensured;
2. when screening subassembly carries out the sieve branch, the cylinder drives the filter screen vibration, drives the solid useless vibration of building during the filter screen vibration, will unable building through the filter screen simultaneously and in useless vibration to the feed back case admittedly, less because of the waste material is piled up and is leaded to the filter effect not good, improves filtration efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic structural view of the inside of the rack according to an embodiment of the present invention;
FIG. 3 is a first schematic illustration of a screen assembly according to an embodiment of the present invention;
figure 4 is a second schematic structural view of a screen assembly according to an embodiment of the present invention.
In the figure, 1, a frame; 2. a crushing mechanism; 21. a primary crushing mechanism; 211. a drive assembly; 2111. a flywheel; 2112. a cam lever; 212. a fixing plate; 213. crushing the board; 214. a crushing cavity; 22. a secondary crushing mechanism; 221. a crushing roller; 23. a third-stage crushing mechanism; 231. a crushing roller; 3. a screen assembly; 31. filtering with a screen; 32. a cylinder; 33. returning the material tank; 331. a handle; 34. a spare material return box; 4. and a material receiving box.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a concrete aggregate reducing mechanism, including frame 1 and set up crushing mechanism 2 in frame 1, crushing mechanism 2 sets up to three groups, and crushing mechanism 2 top-down is one-level crushing mechanism 21, second grade crushing mechanism 22 and tertiary crushing mechanism 23 in proper order, is provided with between the adjacent crushing mechanism 2 to be used for smashing the screening subassembly 3 that insufficient building was useless admittedly sieved.
The concrete aggregate crushing device further comprises a material receiving box 4, and the material receiving box 4 is located behind the three-stage crushing mechanism 23 along the material conveying direction. Through setting up the material receiving box 4, the recycled concrete aggregate who obtains at last smashing drops into material receiving box 4, and the centralized processing of being convenient for raises the efficiency.
Referring to fig. 2, in particular, the primary crushing mechanism 21 includes a driving assembly 211, a fixing plate 212, and a crushing plate 213; the fixing plate 212 is fixed on the frame 1, the fixing plate 212 and the crushing plate 213 are disposed in an inclined manner, and the surfaces close to each other form a crushing cavity 214, the crushing cavity 214 is contracted from top to bottom, and the driving assembly 211 drives the crushing plate 213 to reciprocate toward the fixing plate 212. During operation, after the building admits into one-level crushing mechanism 21 useless admittedly, get into crushing chamber 214, drive crushing board 213 towards fixed plate 212 through drive assembly 211 and do reciprocating motion, extrude the breakage through crushing board 213 to building useless admittedly to accomplish crushing function.
Specifically, the driving assembly 211 includes a primary driving member, a flywheel 2111 and a cam lever 2112; the primary driving piece is mounted on the rack 1, the primary driving piece drives the flywheel 2111 to rotate, the flywheel 2111 is arranged on the rack 1, the cam rod 2112 is mounted at the center of one side of the flywheel 2111, the upper end of the side surface of the crushing plate 213 is provided with a rotating through hole penetrating through the crushing plate 213, the cam rod 2112 is positioned in the rotating through hole, and the lower end of the crushing plate 213 is hinged with the rack 1. During operation, the primary driving member drives the flywheel 2111 to rotate, the flywheel 2111 drives the cam rod 2112 to rotate, and the cam rod 2112 drives the upper end of the crushing plate 213 to reciprocate towards the fixing plate 212 during rotation, so as to realize the crushing function. Wherein, the primary driving member can be selected as a servo motor.
A damping piece can be additionally arranged between the lower end of the crushing plate 213 and the rack 1, and the damping piece can be a spring, so that the influence of the crushing plate 213 on the rack 1 during working is reduced.
Specifically, the secondary crushing mechanism 22 includes two crushing rollers 221 having parallel axes and a secondary driving member for driving the two crushing rollers 221 to rotate, and a side of the two crushing rollers 221, which is close to each other, rotates downward, and in this embodiment, a distance between the two crushing rollers 221 is set to be 23mm to 28 mm. After the building admits to useless admits to second grade crushing mechanism 22 admittedly, the material receives crushing roller 221's meshing force effect, drives the material through between two crushing rollers 221, receives crushing roller 221's crowded roll and shear grinding simultaneously, makes the material cracked, and the tiny particle after cracking is thrown to crushing roller 221 below through the clearance of two crushing rollers 221 along the rotatory tangent line of crushing roller 221, and the large granule material that surpasss the clearance continues to be broken into the tiny particle and discharges to accomplish crushing function. Wherein, the secondary driving member can be selected as a servo motor.
Specifically, tertiary crushing mechanism 23 includes the mutual parallel crushing roller 231 of multiunit and drives the tertiary driving piece that crushing roller 231 pivoted, and the position that the diapire is located crushing roller 231 in frame 1 inclines down along the material conveying direction, and one side that crushing roller 231 is close to the interior diapire of frame 1 rotates towards the material transportation direction, and in this embodiment, crushing roller 231 sets up to three, and the clearance between crushing roller 231 and the diapire in frame 1 is less than or equal to 5 mm. After the building solid waste enters the three-stage crushing mechanism 23, the material is subjected to the meshing force action of the crushing rollers 231, the material is driven to pass through the space between the crushing rollers 231 and the inner bottom wall of the rack 1, meanwhile, the material is crushed by the crushing rollers 231, the crushed small particles are thrown out to one side of the crushing rollers 231 along the rotating tangent line of the crushing rollers 231 through the gaps between the crushing rollers 231 and the inner bottom wall of the rack 1, and the large-particle material exceeding the gaps is continuously crushed into small particles to be discharged, so that the crushing function is completed. Wherein, the tertiary driving piece can be selected as servo motor.
Referring to fig. 3 and 4, screen assembly 3 includes a screen 31 and a return box 33; the filter screen 31 is arranged between two adjacent groups of crushing mechanisms 2, and the feed back box 33 is arranged on one side of the filter screen 31 and is connected with the rack 1 in a sliding manner. Through the size of the filtration pore on the control filter screen 31 to the particle size of the building solid waste that the size control of control filtration pore passed through filter screen 31, the building solid waste can't pass through filter screen 31 not broken abundant, drops into in the feed back phase, carries out the breakage once more.
In this embodiment, the aperture of the filtering hole of the filter screen 31 between the first-stage crushing mechanism 21 and the second-stage crushing mechanism 22 is 90mm to 100mm, and the aperture of the filtering hole of the filter screen 31 between the second-stage crushing mechanism 22 and the third-stage crushing mechanism 23 is 23mm to 28 mm. Therefore, the particle size of the building solid waste passing through the filter screen 31 between the first-stage crushing mechanism 21 and the second-stage crushing mechanism 22 is smaller than 100mm, and the particle size of the building solid waste passing through the filter screen 31 between the second-stage crushing mechanism 22 and the third-stage crushing mechanism 23 is smaller than 28mm, so that the building solid waste is conveniently crushed by the third-stage crushing mechanism 23 to obtain concrete fine aggregate particles smaller than 5 mm. The distance between the two crushing rollers 221, the gap between the crushing roller 231 and the inner bottom wall of the frame 1, and the diameter of the mesh 31 may be adjusted according to actual needs.
For improving filtration efficiency, further, filter screen 31 one end articulates in frame 1, and the filter screen 31 other end is provided with cylinder 32, cylinder 32 output and filter screen 31 fixed connection, and when cylinder 32 output was located the stroke lower extreme, filter screen 31 was the level setting. When screening, start cylinder 32, cylinder 32 drives the vibration of filter screen 31, drives the solid useless vibration of building during the vibration of filter screen 31, and the building that will be unable to pass through filter screen 31 simultaneously is useless vibration to feed back case 33 admittedly, less because of the waste material is piled up and is leaded to the filter effect not good, improves filtration efficiency.
The lower end of the return tank 33 is provided with a spare return tank 34, and the spare return tank 34 is connected with the rack 1 in a sliding way. When a certain amount of building solid waste is collected in the material return box 33, the material return box 33 is taken out, the building solid waste in the material return box 33 is crushed again, when the material return box 33 is taken out, the building solid waste which cannot pass through the filter screen 31 falls into the standby material return box 34, and the building solid waste in the material return box 33 can be crushed again without stopping.
The implementation principle of the embodiment is as follows:
when using this concrete aggregate reducing mechanism, smash building solid useless through crushing mechanism 2, building solid useless after one-level crushing mechanism 21 is broken, sieve through screening subassembly 3, will smash insufficient building solid useless screening out, smash insufficient building solid useless and drop into feed back case 33, it goes into second grade crushing mechanism 22 and smashes to smash abundant building solid useless, then sieve again through screening subassembly 3, will smash insufficient building solid useless screening out, smash insufficient building solid useless and drop into feed back case 33, smash abundant building solid useless and get into tertiary crushing mechanism 23 and break, building solid useless completion breakage through tertiary crushing mechanism 23, then in the feed back case 4 that drops, accomplish breakage.
Through screening out smashing insufficient building solid waste, thereby the operation load of reduction lower level crushing mechanism 2 is too big, has guaranteed the quality of the recycled concrete aggregate that obtains after the breakage simultaneously.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a concrete aggregate reducing mechanism which characterized in that: including frame (1) and set up crushing mechanism (2) in frame (1), crushing mechanism (2) set up to three groups, crushing mechanism (2) top-down is one-level crushing mechanism (21), second grade crushing mechanism (22) and tertiary crushing mechanism (23) in proper order, is provided with between adjacent crushing mechanism (2) to be used for smashing not enough building screening subassembly (3) of useless screening admittedly.
2. A concrete aggregate crushing apparatus according to claim 1, wherein; the primary crushing mechanism (21) comprises a driving assembly (211), a fixing plate (212) and a crushing plate (213);
fixed plate (212) fixed set up in on frame (1), fixed plate (212) with crushing board (213) slope sets up and the face that is close to each other forms crushing chamber (214), and crushing chamber (214) top-down shrink, drive assembly (211) drive crushing board (213) orientation fixed plate (212) are reciprocating motion.
3. The concrete aggregate pulverizing apparatus according to claim 2, wherein: the drive assembly (211) comprises a primary drive member, a flywheel (2111) and a cam lever (2112);
the one-level driving piece is installed in on frame (1), the one-level driving piece drives flywheel (2111) rotates, flywheel (2111) sets up in frame (1), cam lever (2112) install in on the center of flywheel (2111) one side, crushing board (213) side upper end is opened has the rotatory through-hole that runs through crushing board (213), cam lever (2112) are located inside the rotatory through-hole, crushing board (213) lower extreme with frame (1) is articulated.
4. The concrete aggregate pulverizing apparatus according to claim 1, wherein: the secondary crushing mechanism (22) comprises two crushing rollers (221) with parallel axes and a secondary driving piece for driving the two crushing rollers (221) to rotate, and one sides of the two crushing rollers (221) close to each other rotate downwards.
5. The concrete aggregate pulverizing apparatus according to claim 1, wherein: tertiary broken mechanism (23) include that the multiunit is parallel to each other crushing roller (231) and drive crushing roller (231) pivoted tertiary driving piece, the position that the diapire is located crushing roller (231) in frame (1) is along material transmission direction downward sloping, one side that crushing roller (231) are close to the diapire in frame (1) is rotated towards material transport direction.
6. The concrete aggregate pulverizing apparatus according to claim 1, wherein: the screen assembly (3) comprises a screen (31) and a return bin (33);
filter screen (31) set up between adjacent two sets of crushing mechanism (2), material return box (33) set up in one side of filter screen (31) and with frame (1) sliding connection.
7. The concrete aggregate pulverizing apparatus according to claim 6, wherein: filter screen (31) one end articulates on frame (1), filter screen (31) other end is provided with cylinder (32), cylinder (32) output with filter screen (31) fixed connection, when cylinder (32) output is located the stroke minimum, filter screen (31) are the level setting.
8. The concrete aggregate pulverizing apparatus according to claim 6, wherein: the lower end of the material return box (33) is provided with a standby material return box (34), and the standby material return box (34) is connected with the rack (1) in a sliding mode.
9. The concrete aggregate pulverizing apparatus according to claim 8, wherein: handles (331) are arranged on the material return box (33) and the standby material return box (34).
10. A concrete aggregate crushing apparatus according to any one of claims 1 to 9, wherein: the material receiving box is characterized by further comprising a material receiving box (4), wherein the material receiving box (4) is located behind the three-stage crushing mechanism (23) along the material conveying direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020403807.0U CN211801111U (en) | 2020-03-25 | 2020-03-25 | Concrete aggregate reducing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020403807.0U CN211801111U (en) | 2020-03-25 | 2020-03-25 | Concrete aggregate reducing mechanism |
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| CN211801111U true CN211801111U (en) | 2020-10-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185164A (en) * | 2021-04-27 | 2021-07-30 | 张飞 | Method for preparing recycled concrete fine aggregate by using building brick-concrete waste |
| CN113399043A (en) * | 2021-07-19 | 2021-09-17 | 成都鸿吉盛建筑工程有限公司 | Automatic classification processing system of building rubbish |
| CN114749233A (en) * | 2022-04-07 | 2022-07-15 | 山东弘衡再生资源科技有限公司 | Cement stabilized macadam recycling device and using method thereof |
| CN115445695A (en) * | 2022-09-20 | 2022-12-09 | 安徽亿晶包装科技有限公司 | Defective product smashing and recycling device for glass cosmetic bottle production |
| CN115475818A (en) * | 2022-09-29 | 2022-12-16 | 湖南鑫恒环境科技有限公司 | Raw material screening device for building waste sintered ceramsite and screening process thereof |
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2020
- 2020-03-25 CN CN202020403807.0U patent/CN211801111U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185164A (en) * | 2021-04-27 | 2021-07-30 | 张飞 | Method for preparing recycled concrete fine aggregate by using building brick-concrete waste |
| CN113185164B (en) * | 2021-04-27 | 2022-09-09 | 临沂宏德环保科技有限公司 | Method for preparing recycled concrete fine aggregate by using building brick-concrete waste |
| CN113399043A (en) * | 2021-07-19 | 2021-09-17 | 成都鸿吉盛建筑工程有限公司 | Automatic classification processing system of building rubbish |
| CN114749233A (en) * | 2022-04-07 | 2022-07-15 | 山东弘衡再生资源科技有限公司 | Cement stabilized macadam recycling device and using method thereof |
| CN114749233B (en) * | 2022-04-07 | 2023-08-15 | 山东弘衡再生资源科技有限公司 | Cement stabilized macadam recycling device and application method thereof |
| CN115445695A (en) * | 2022-09-20 | 2022-12-09 | 安徽亿晶包装科技有限公司 | Defective product smashing and recycling device for glass cosmetic bottle production |
| CN115475818A (en) * | 2022-09-29 | 2022-12-16 | 湖南鑫恒环境科技有限公司 | Raw material screening device for building waste sintered ceramsite and screening process thereof |
| CN115475818B (en) * | 2022-09-29 | 2023-08-29 | 湖南鑫恒环境科技有限公司 | Raw material screening device for building rubbish sintered ceramsite and screening process thereof |
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