CN115159887B - Preparation method of building waste recycled aggregate - Google Patents
Preparation method of building waste recycled aggregate Download PDFInfo
- Publication number
- CN115159887B CN115159887B CN202210812357.4A CN202210812357A CN115159887B CN 115159887 B CN115159887 B CN 115159887B CN 202210812357 A CN202210812357 A CN 202210812357A CN 115159887 B CN115159887 B CN 115159887B
- Authority
- CN
- China
- Prior art keywords
- container
- assembly
- radial
- plate
- recycled aggregate
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a preparation method of building rubbish recycled aggregate, which comprises the following steps: s1, firstly controlling a bin assembly to be positioned below a feeding assembly, then adding chemical slurry into a reaction tank, and then adding recycled aggregate to be treated into the feeding assembly; s2, controlling the container to move under the feeding assembly, controlling the feeding assembly to put recycled aggregate into the container, and closing the upper end of the container by the upper cover assembly; s3, controlling the bin assembly to enter the reaction tank; s4, controlling the recycled aggregate in the container to be fully mixed with the chemical slurry and the recycled aggregate; s5, controlling the bin assembly to be positioned below the feeding assembly after the treatment of the recycled aggregate by the chemical slurry is completed; s6, controlling the lower cover assembly to be opened so that the treated recycled aggregate falls into the collecting tank; the preparation method of the building rubbish recycled aggregate is simple to operate and can greatly save labor input.
Description
Technical Field
The invention relates to the technical field of recycling of construction waste and construction materials, in particular to a preparation method of construction waste recycled aggregate.
Background
The construction waste is processed into various recycled aggregates with different particle sizes through the procedures of primary crushing, manual sorting, impact breaking, linear mud removing screening, three-stage crushing grinding and the like, natural sand stone can be partially or completely replaced, and the recycled aggregate dry powder mortar, concrete, pavement bricks, water permeable bricks and the like are prepared, so that the recycling of the construction waste is realized, the resource is saved, and the influence of the construction waste on the ecological environment is reduced. The construction waste recycled aggregate is divided into coarse aggregate and fine aggregate according to the particle size: the coarse aggregate is generally composed of cement mortar particles, stones of surface cement-free mortar and stones of surface cement mortar, and the fine aggregate is generally composed of cement mortar sand grains, surface cement-free mortar sand grains, surface cement-coated sand grains and broken small stones. The construction waste recycled aggregate has the advantages that the cement mortar is attached to the recycled aggregate, the edges and corners are more, the surface is rough, certain cracks are generated in the recycled aggregate during crushing, the components are more complex than those of the natural aggregate, and the like, so that the recycled aggregate has higher water absorption rate, lower bulk density and apparent density than the natural aggregate, and the crushing index is far higher than that of the natural aggregate.
The existing strengthening treatment technology for the recycled aggregate is mainly concentrated in two aspects, one is a method for removing the adhesive mortar of the recycled aggregate, wherein the method mainly comprises a mechanical treatment method, a heat treatment method, an acid treatment method and the like, and the method has the problems of low old mortar removal rate, poor economy, high energy consumption, easiness in secondary damage to the recycled aggregate and the like; the other method aims at improving the quality of the recycled aggregate attached mortar, and mainly comprises a slurry soaking method, carbonization, a biological carbonate treatment method and the like. In the prior art, the following problems exist when the recycled aggregate is subjected to strengthening treatment by using chemical slurry:
1. when the chemical slurry is used for strengthening the recycled aggregate, the recycled aggregate is required to be placed in the chemical slurry, so that the recycled aggregate and chemical slurry components are mixed, the property of the recycled aggregate is changed, the recycled aggregate is generally added into the chemical slurry through manual control equipment in the process, after the reaction is carried out for a fixed time, the recycled aggregate is fished out through the worker control equipment, and the manual control action is complicated, human errors can occur, so that the quality of the reaction cannot be ensured;
2. when the chemical slurry is used for strengthening the recycled aggregate, the recycled aggregate is mixed with the chemical slurry by manual control, and the recycled aggregate is fished out after the reaction, so that the reaction degrees of the recycled aggregates in different batches fished out by soil are different, and the produced aggregate has inconsistent properties;
3. when the recycled aggregate is subjected to strengthening treatment by using the chemical grout, the recycled aggregate and the chemical grout are required to be fully mixed, but in the prior art, the recycled aggregate is only directly added into the chemical grout, and the recycled aggregate and the chemical grout are not fully reacted due to stacking of the recycled aggregate in the chemical grout, so that the use effect cannot be achieved.
Disclosure of Invention
The invention aims to provide a preparation method of building rubbish recycled aggregate, which is simple to operate and can greatly save labor input.
In order to achieve the above purpose, the present invention provides the following technical solutions: the preparation method of the construction waste recycled aggregate comprises the following steps:
s1, controlling a first electric push rod to be in a fully extended position so that a feed bin assembly is positioned below a feeding assembly, adding chemical slurry into a reaction tank at the right end of a bottom plate, and then adding recycled aggregate to be treated into the feeding assembly;
s2, firstly controlling a track plate in the track assembly to be at a feeding station, then controlling the power assembly to drive a container in the bin assembly to move to be right below the feeding assembly, at the moment, controlling the upper cover assembly to be opened by the track assembly, then controlling the feeding assembly to put recycled aggregate into the container, and then controlling the power assembly to drive the container in the bin assembly to leave from right below the feeding assembly, and closing the upper end of the container by the upper cover assembly;
s3, controlling the first electric push rod to be in a fully contracted position, so that the bin assembly enters the reaction tank;
s4, controlling the power assembly to drive the container in the bin assembly to shake, so that chemical slurry and recycled aggregate can be mixed better, and simultaneously controlling the container in the bin assembly to turn 180 degrees when each turn is performed, so that the internal recycled aggregate also turns, and further, the chemical slurry and the recycled aggregate can be mixed fully;
s5, after the treatment of the recycled aggregate by the chemical slurry is completed, controlling the power assembly to stop working, and simultaneously controlling the first electric push rod to be in a fully extended position, so that the bin assembly is positioned below the feeding assembly;
s6, firstly controlling a track plate in the track assembly to be at a blanking station, then controlling the power assembly to drive the container in the bin assembly to move to the position right below the feeding assembly, at the moment, controlling the lower cover assembly to be opened by the track assembly, enabling the treated recycled aggregate to fall into the collecting tank, and then controlling the power assembly to drive the container in the bin assembly to leave the position right below the feeding assembly, and closing the lower end of the container by the lower cover assembly.
Further, the feeding assembly comprises a feeding hopper, a left vertical side plate is arranged on the left side of the collecting tank, and the feeding hopper is fixedly arranged on the right side of the left vertical side plate through a supporting frame and is positioned right above the collecting tank; the lower extreme exit of charging hopper is followed left and right sides direction sliding connection and is had the flashboard, be equipped with the discharge gate on the flashboard, the fixed second electric putter that is used for controlling the flashboard left and right movement that is equipped with on the vertical curb plate of left side, when the second electric putter drive flashboard motion to discharge gate and the lower extreme export intercommunication of charging hopper, the lower extreme export of charging hopper is opened, when the second electric putter drive flashboard motion to discharge gate and the lower extreme export of charging hopper stagger, the lower extreme export of charging hopper is closed.
Further, a vertical convex column is arranged in the middle of the bottom plate, the first electric push rod is fixedly arranged in the vertical convex column along the vertical direction, a sleeve sleeved on the vertical convex column is fixedly arranged at the telescopic end of the first electric push rod, a radial rod is arranged at the outer side of the sleeve, and the power assembly and the bin assembly are both arranged on the radial rod; the inner side wall of the sleeve is provided with a spiral groove and a vertical groove, the vertical groove is communicated with the upper end of the spiral groove, and the outer side of the vertical convex column is fixedly provided with a limiting block which is in sliding connection with the spiral groove or the vertical groove; when the first electric push rod is completely extended, the limiting block is positioned at the lower end of the spiral groove, and the end part of the radial rod is positioned below the feeding assembly; when the first electric push rod is completely contracted, the limiting block enters the upper end of the vertical groove from the upper end of the spiral groove, and the end part of the radial rod is positioned right above the reaction tank.
Further, the bin assembly comprises a fixed shaft, the fixed shaft is fixedly arranged at the end part of the radial rod and is vertically arranged, a first convex plate is arranged at the lower end of the fixed shaft, and a first convex edge extending downwards is arranged at the outer side of the circumference of the first convex plate; the fixed shaft is rotationally connected with a shaft sleeve, the lower end of the shaft sleeve is provided with a second convex plate positioned above the first convex plate, a second convex edge extending downwards is arranged outside the circumference of the second convex plate, and a radial rotating shaft is rotationally connected with the second convex edge; the outer side of the container is provided with a connecting block, one end of the radial rotating shaft extending out of the second convex edge is connected with the connecting block, and the connecting block is in sliding connection with the radial rotating shaft along the axial direction of the radial rotating shaft and is fixedly connected along the circumferential direction of the radial rotating shaft; the upper cover component is arranged at the opening at the upper end of the container, and the lower cover component is arranged at the opening at the lower end of the container; and a turnover mechanism is arranged between one end of the radial rotating shaft extending into the second convex edge and the first convex edge, and when the container rotates around the fixed shaft for one circle, the turnover mechanism controls the radial container to rotate 180 degrees around the radial rotating shaft.
Further, the turnover mechanism comprises an end plate, the end plate is arranged at the end part of the radial rotating shaft extending into the second convex edge, a first shifting column and a second shifting column are symmetrically arranged on the side surface of the end plate at two sides of the radial rotating shaft, and when the first shifting column and the second shifting column are both abutted against the lower edge of the second convex edge, the container is in a vertical position; the connecting plate is arranged in the notch, a first chute and a second chute are formed between the connecting plate and the notch, and vertical communication grooves are formed in the upper ends of the first chute and the second chute in the first convex edge; when the second convex edge drives the radial rotating shaft to rotate, the first shifting column or the second shifting column firstly enters the first chute, and along with the rotation of the second convex edge, the first shifting column or the second shifting column enters the vertical communicating groove through the first chute, and along with the continuous rotation of the second convex edge, the first shifting column or the second shifting column enters the second chute through the vertical communicating groove and moves to the lower edge of the second convex edge through the second chute.
Further, the upper cover assembly comprises upper cover plates hinged to two sides of an opening at the upper end of the container, an upper protruding block is arranged on the outer side of the container far away from the connecting block, an upper sliding rod is connected in the upper protruding block in a sliding manner along the axial direction of the container, an upper sliding block is arranged at the upper end of the upper sliding rod, two upper connecting rods are hinged to the upper sliding block, the two upper connecting rods are hinged to the two upper cover plates respectively, an upper two protruding blocks are arranged on the outer side of the container above the upper protruding block, and an upper spring for forcing the upper sliding block to be far away from the upper two protruding blocks is arranged between the upper two protruding blocks and the upper sliding block; an upper shifting column is arranged on the outer side of the upper sliding rod along the radial direction of the container;
the lower cover assembly comprises lower cover plates hinged to two sides of an opening at the lower end of the container, a lower protruding block is arranged on the outer side of the container far away from the connecting block, a lower sliding rod is connected in the lower protruding block in a sliding manner along the axial direction of the container, a lower sliding block is arranged at the lower end of the lower sliding rod, two lower connecting rods are hinged to the lower sliding block and are respectively hinged to the two lower cover plates, a lower two protruding blocks are arranged on the outer side of the container below the lower protruding block, and a lower spring for forcing the lower sliding block to be far away from the lower two protruding blocks is arranged between the lower two protruding blocks; the outer side of the lower slide bar is provided with a lower shifting column along the radial direction of the container.
Further, the track assembly comprises a third electric push rod fixedly arranged on the right side of the left vertical side plate, a track plate is fixedly arranged at the lower end of the third electric push rod, and an upper straight bulge and an upper inclined bulge which are matched with the upper shifting column and a lower straight bulge and a lower inclined bulge which are matched with the lower shifting column are arranged on the track plate; when the third electric push rod is in a contracted position, the track plate is in a feeding working position, the upper shifting column is positioned above the upper straight bulge when the container rotates to pass through the track plate area, the lower shifting column is positioned between the upper straight bulge and the lower straight bulge, and the upper oblique bulge and the upper shifting column are matched to push the upper slide rod to move upwards along with the rotation of the container, and the upper cover plate is pushed to open under the action of the upper connecting rod; when the third electric push rod is in the extending position, the track plate is in the blanking working position, the lower shifting column is positioned below the lower straight protrusion when the container rotates to pass through the track plate area, the upper shifting column is positioned between the upper straight protrusion and the lower straight protrusion, and the lower oblique protrusion and the lower shifting column are matched to push the lower slide rod to move downwards along with the rotation of the container, and the lower cover plate is pushed to open under the action of the lower connecting rod.
Further, a radial sliding hole is formed in the connecting block, a blocking ring is fixedly arranged at the opening end of the radial sliding hole, one end of the radial rotating shaft, which extends out of the second convex edge, penetrates through the blocking ring to enter the radial sliding hole, and a sliding block body is arranged at one end of the radial rotating shaft, which extends into the radial sliding hole; the inside wall of radial slide hole is equipped with spacing spout, the outside of slider body is fixed to be equipped with the spacing lug that is located spacing spout.
Further, the power component comprises a first motor, the first motor is fixedly arranged on the radial rod, an extension plate is arranged at the lower end of the radial rod, the shaft sleeve is rotationally connected in the extension plate, an output shaft of the first motor stretches into the space between the radial rod and the extension plate and is fixedly provided with a first gear, a second gear meshed with the first gear is fixedly arranged on the outer side, close to the upper end, of the shaft sleeve, and the second gear drives the shaft sleeve to rotate during rotation.
Further, the lower end surface of the extension plate is provided with a coaming at the outer side of the second convex edge, the outer side of the coaming is provided with a groove along the circumferential direction of the coaming, and the outer side of the container is provided with a convex column which is used for extending into the groove; a first spring for forcing the container to drive the convex column into the groove is arranged between the sliding block body and the blocking ring in the radial sliding hole.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. by arranging the containing tool with the upper opening and the lower opening, the feeding and discharging work can be completed through the matching of the track plate and the containing tool, the manual operation is not needed, and the device is simple and convenient;
2. through the sleeve with the spiral groove and the vertical groove, the sleeve can be driven to ascend and rotate by pushing the sleeve through the first electric push rod, so that the container on the sleeve is driven to move, the container is automatically switched between the feeding station and the slurry mixing station, manual control is not needed, labor is saved, and control is simple;
3. through arranging the plurality of through holes on the container, when the recycled aggregate and the chemical slurry are required to be mixed, the whole container can be placed into the chemical slurry, the chemical slurry enters the container through the plurality of through holes to react with the recycled aggregate, and after the reaction, the recycled aggregate can be fished out of the chemical slurry only by taking out the container, so that the effect of simultaneously fishing out the recycled aggregate can be achieved, and the quality difference after the reaction is avoided;
4. the radial rotating shaft is arranged on the container, the first shifting columns and the second shifting columns are arranged on two sides of the rotating shaft, and when the second convex edge drives the container to rotate, the first shifting columns and the second shifting columns are matched with the first chute, the vertical communicating groove and the second chute, so that the container is controlled to turn around the radial rotating shaft, and further the recycled aggregate in the container is driven to turn, so that the recycled aggregate and the chemical slurry can be mixed more fully;
through setting up the projection on the flourishing utensil to make projection and recess cooperation, make flourishing utensil be located unloading position and rotation position time, projection and first spring cooperation promote flourishing utensil reciprocating motion, and then drive the recycled aggregate shake in the flourishing utensil, and then better mix with chemical grout.
Drawings
FIG. 1 is a cross-sectional view of the invention during loading and unloading;
FIG. 2 is a cross-sectional view of the present invention when recycled aggregate is treated with chemical grout;
FIG. 3 is an enlarged view of the invention at I in FIG. 2;
FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken along the direction B-B in FIG. 3 in accordance with the present invention;
FIG. 6 is a cross-sectional view taken along the direction C-C in FIG. 3 in accordance with the present invention;
FIG. 7 is a partial exterior view of the first flange of the present invention;
FIG. 8 is a partial cross-sectional view of the first and second shift posts of the present invention during engagement with the first and second diagonal slots, the vertical communication slot, and the second diagonal slot;
FIG. 9 is a front view of the container of the present invention;
FIG. 10 is an outline view of the track slab of the present invention;
fig. 11 is an internal profile view of the sleeve of the present invention.
Detailed Description
Referring to fig. 1 to 11, a method for preparing recycled aggregate of construction waste comprises the following steps:
s1, controlling a first electric push rod 3 to be in a fully extended position so that a feed bin assembly is positioned below a feeding assembly, adding chemical slurry into a reaction tank 12 at the right end of a bottom plate 1, and then adding recycled aggregate to be treated into the feeding assembly;
s2, firstly controlling a track plate 51 in a track assembly to be at a feeding station, then controlling a power assembly to drive a container 91 in a bin assembly to move to be right below the feeding assembly, at the moment, controlling an upper cover assembly to be opened by the track assembly, then controlling the feeding assembly to put recycled aggregate into the container 91, and then controlling the power assembly to drive the container 91 in the bin assembly to leave from the right below the feeding assembly, and closing the upper end of the container 91 by the upper cover assembly;
s3, controlling the first electric push rod 3 to be in a fully contracted position, so that the bin assembly enters the reaction tank 12;
s4, controlling the power assembly to drive the container 91 in the bin assembly to shake, so that chemical slurry and recycled aggregate can be mixed better, and simultaneously controlling the container 91 in the bin assembly to turn 180 degrees when rotating for each turn, so that the internal recycled aggregate also follows the turn, and further, the chemical slurry and the recycled aggregate can be mixed fully;
s5, after the treatment of the recycled aggregate by the chemical slurry is completed, controlling the power assembly to stop working, and simultaneously controlling the first electric push rod 3 to be in a fully extended position, so that the bin assembly is positioned below the feeding assembly;
s6, firstly controlling the track plate 51 in the track assembly to be at a blanking station, then controlling the power assembly to drive the container 91 in the bin assembly to move to the position right below the feeding assembly, at the moment, controlling the lower cover assembly to be opened by the track assembly so that the treated recycled aggregate falls into the collecting tank 13, and then controlling the power assembly to drive the container 91 in the bin assembly to leave the position right below the feeding assembly, and closing the lower end of the container 91 by the lower cover assembly.
The feeding assembly comprises a feeding hopper 14, a left vertical side plate 1a is arranged on the left side of the collecting tank 13, and the feeding hopper 14 is fixedly arranged on the right side of the left vertical side plate 1a through a supporting frame and is positioned right above the collecting tank 13; the lower end outlet of the upper hopper 14 is slidably connected with a gate plate 61 along the left-right direction, a discharge hole 611 is formed in the gate plate 61, a second electric push rod 62 for controlling the gate plate 61 to move left and right is fixedly arranged on the left vertical side plate 1a, when the second electric push rod 62 drives the gate plate 61 to move to the discharge hole 611 to be communicated with the lower end outlet of the upper hopper 14, the lower end outlet of the upper hopper 14 is opened, and when the second electric push rod 62 drives the gate plate 61 to move to the discharge hole 611 to be staggered with the lower end outlet of the upper hopper 14, the lower end outlet of the upper hopper 14 is closed.
The middle part of the bottom plate 1 is provided with a vertical convex column 11, the first electric push rod 3 is fixedly arranged in the vertical convex column 11 along the vertical direction, the telescopic end of the first electric push rod 3 is fixedly provided with a sleeve 2 sleeved on the vertical convex column 11, the outer side of the sleeve 2 is provided with a radial rod 2a, and the power component and the bin component are both arranged on the radial rod 2 a; the inner side wall of the sleeve 2 is provided with a spiral groove 22 and a vertical groove 21, the vertical groove 21 is communicated with the upper end of the spiral groove 22, and the outer side of the vertical convex column 11 is fixedly provided with a limiting block 15 which is in sliding connection with the spiral groove 22 or the vertical groove 21; when the first electric push rod 3 is completely extended, the limiting block 15 is positioned at the lower end of the spiral groove 22, and the end part of the radial rod 2a is positioned below the feeding assembly; when the first electric push rod 3 is completely contracted, the limiting block 15 enters the upper end of the vertical groove 21 from the upper end of the spiral groove 22, and the end part of the radial rod 2a is positioned right above the reaction tank 12.
The bin assembly comprises a fixed shaft 7, wherein the fixed shaft 7 is fixedly arranged at the end part of a radial rod 2a and is vertically arranged, a first convex plate 7a is arranged at the lower end of the fixed shaft 7, and a first convex edge 73 extending downwards is arranged at the outer side of the circumference of the first convex plate 7 a; the fixed shaft 7 is rotatably connected with a shaft sleeve 7e, the lower end of the shaft sleeve 7e is provided with a second convex plate 7g positioned above the first convex plate 7a, the circumference of the second convex plate 7g is provided with a second convex edge 72 extending downwards, and the second convex edge 72 is rotatably connected with a radial rotating shaft 81; the two containers 91 are symmetrically arranged at the outer sides of the second convex edge 72, the outer sides of each container 91 are respectively provided with a connecting block 9a, one end of the radial rotating shaft 81 extending out of the second convex edge 72 is connected with the connecting block 9a, and the connecting blocks 9a and the radial rotating shaft 81 are in sliding connection along the axial direction of the radial rotating shaft 81 and are fixedly connected along the circumferential direction of the radial rotating shaft 81; the upper cover component is arranged at the opening of the upper end of the container 91, and the lower cover component is arranged at the opening of the lower end of the container 91; a turnover mechanism is arranged between the first convex edge 73 and one end of the radial rotating shaft 81 extending into the second convex edge 72, and when the container 91 rotates around the fixed shaft 7 for one circle, the turnover mechanism controls the radial container 91 to rotate 180 degrees around the radial rotating shaft 81.
The turnover mechanism comprises an end plate 8a, the end plate 8a is arranged at the end part of the radial rotating shaft 81 extending into the second convex edge 72, a first shifting column 83 and a second shifting column 82 are symmetrically arranged on the side surface of the end plate 8a at two sides of the radial rotating shaft 81, and when the first shifting column 83 and the second shifting column 82 are both abutted against the lower edge 734 of the second convex edge 72, the container 91 is in a vertical position; a notch is formed in the first convex edge 73, a connecting frame 73a is arranged on the inner side of the first convex edge 73, a connecting plate 73b positioned in the notch is arranged on the connecting frame 73a, a first chute 731 and a second chute 733 are formed between the connecting plate 73b and the notch, and vertical communicating grooves 732 are formed in the first convex edge 73 at the upper ends of the first chute 731 and the second chute 733; when the second flange 72 drives the radial rotating shaft 81 to rotate, the first shifting column 83 or the second shifting column 82 first enters the first chute 731, and as the second flange 72 rotates, the first shifting column 83 or the second shifting column 82 enters the vertical communicating groove 732 through the first chute 731, and as the second flange 72 continues to rotate, the first shifting column 83 or the second shifting column 82 enters the second chute 733 through the vertical communicating groove 732 and moves to the lower edge of the second flange 72 through the second chute 733.
The upper cover assembly comprises an upper cover plate 98 hinged to two sides of an opening at the upper end of the container 91, an upper protruding block 9f is arranged on the outer side of the container 91 far away from the connecting block 9a, an upper sliding rod 92 is connected in the upper protruding block 9f in a sliding manner along the axial direction of the container 91, an upper sliding block 9g is arranged at the upper end of the upper sliding rod 92, two upper connecting rods 94 are hinged to the upper sliding rod 9g, the two upper connecting rods 94 are respectively hinged to the two upper cover plates 98, an upper two protruding blocks 9h are arranged on the outer side of the container 91 above the upper protruding block 9f, and an upper spring 96 for forcing the upper sliding block 9g to be far away from the upper two protruding blocks 9h is arranged between the upper two protruding blocks 9h and the upper sliding block 9 g; an upper poking column 921 is arranged on the outer side of the upper sliding rod 92 along the radial direction of the container 91; the lower cover assembly comprises a lower cover plate 99 hinged to two sides of an opening at the lower end of the container 91, a lower protruding block 9i is arranged on the outer side of the container 91 far away from the connecting block 9a, a lower sliding rod 93 is connected in the lower protruding block 9i in a sliding manner along the axial direction of the container 91, a lower sliding block 9j is arranged at the lower end of the lower sliding rod 93, two lower connecting rods 95 are hinged to the lower sliding block 9j, the two lower connecting rods 95 are respectively hinged to the two lower cover plates 99, a lower two protruding blocks 9k are arranged below the lower protruding block 9i on the outer side of the container 91, and a lower spring 97 for forcing the lower sliding block 9j to be far away from the lower two protruding blocks 9k is arranged between the lower two protruding blocks 9k and the lower sliding block 9 j; the outer side of the lower slide bar 93 is provided with a lower poking column 931 along the radial direction of the container 91.
The track assembly comprises a third electric push rod 52 fixedly arranged on the right side of the left vertical side plate 1a, a track plate 51 is fixedly arranged at the lower end of the third electric push rod 52, and an upper straight bulge 511 and an upper inclined bulge 513 which are matched with an upper poking column 921 and a lower straight bulge 512 and a lower inclined bulge 514 which are matched with a lower poking column 931 are arranged on the track plate 51; when the third electric push rod 52 is in the contracted position, the track plate 51 is in the feeding working position, when the container 91 rotates to pass through the area of the track plate 51, the upper poking column 921 is positioned above the upper straight protrusion 511, the lower poking column 931 is positioned between the upper straight protrusion 511 and the lower straight protrusion 512, and as the container 91 rotates, the upper oblique protrusion 513 and the upper poking column cooperate to push the upper slide rod 92 to move upwards, and the upper cover plate 98 is pushed to open under the action of the upper connecting rod 94; when the third electric push rod 52 is in the extended position, the track plate 51 is in the blanking working position, the lower poking column 931 is located below the lower straight protrusion 512 when the container 91 rotates through the track plate 51, the upper poking column 921 is located between the upper straight protrusion 511 and the lower straight protrusion 512, and the lower inclined protrusion 514 and the lower poking column cooperate to push the lower slide rod 93 to move downwards along with the rotation of the container 91, and the lower cover plate 99 is pushed to open under the action of the lower connecting rod 95.
A radial sliding hole 9d is formed in the connecting block 9a, a blocking ring 9b is fixedly arranged at the opening end of the radial sliding hole 9d, one end of the radial rotating shaft 81 extending out of the second convex edge 72 penetrates through the blocking ring 9b to enter the radial sliding hole 9d, and a sliding block 81a is arranged at the end of the radial rotating shaft 81 extending into the radial sliding hole 9 d; the inner side wall of the radial sliding hole 9d is provided with a limiting sliding groove 9c, and the outer side of the sliding block 81a is fixedly provided with a limiting protruding block 9e positioned in the limiting sliding groove 9 c. The power assembly comprises a first motor 41, the first motor 41 is fixedly arranged on a radial rod 2a, an extension plate 7d is arranged at the lower end of the radial rod 2a, a shaft sleeve 7e is rotationally connected in the extension plate 7d, an output shaft of the first motor 41 extends into a space between the radial rod 2a and the extension plate 7d and is fixedly provided with a first gear 42, a second gear 43 meshed with the first gear 42 is fixedly arranged on the outer side, close to the upper end, of the shaft sleeve 7e, and the shaft sleeve 7e is driven to rotate when the second gear 43 rotates. The lower end surface of the extension plate 7d is provided with a coaming 7f at the outer side of the second convex edge 72, the outer side of the coaming 7f is provided with a groove 711 along the circumferential direction of the coaming 7f, and the outer side of the container 91 is provided with a convex column 91 which is used for extending into the groove 711; a first spring 84 for forcing the container 91 to drive the boss 91 into the groove 711 is provided in the radial slide hole 9d between the slide block 81a and the stopper ring 9 b.
In the above S2 of the embodiment, when the power assembly is in operation after the preparation work is completed, the first motor 41 is started to drive the first gear 42 to rotate, the first gear 42 is meshed with the second gear 43, the second gear 43 is fixedly connected with the shaft sleeve 7e, and then the shaft sleeve 7e is driven to rotate, the radial rotating shaft 81 is in rotary fit with the second flange 72 at the lower end of the shaft sleeve 7e, and then the second flange 72 can drive the containing tool 91 to rotate anticlockwise around the fixed shaft 7, and because the track assembly is in the loading working position at this time, namely the third electric push rod 52 is in the contracted state, the track plate 51 is in the loading working position, when the containing tool 91 rotates to pass through the track plate 51 area, the upper poking column is located above the upper straight bulge 511, the lower poking column is located between the upper straight bulge 511 and the lower straight bulge 512, and rotates along with the containing tool 91, so that the upper slanting bulge 513 is matched with the upper poking column, the upper spring 96 is pushed to move upwards, the upper cover plate 98 is pushed to open under the action of the upper connecting rod 94, and then the second electric push rod 62 is controlled to be opened, namely the second electric push rod 62 is contracted, and the track assembly is driven to move the track assembly is in the loading tool 62 is in the loading working position, so that the upper punch 61 is separated from the upper punch 61 and the lower punch hole is completely, and the upper punch hole is completely separated from the lower punch hole and the upper punch hole is completely, and the upper punch hole is completely separated, and the upper punch hole is completely, and the upper punch hole is separated.
In the above S3 of this embodiment, after the feeding of the recycled aggregate is completed, the first electric push rod 3 is controlled to shrink, and due to the cooperation of the limiting block 15 and the spiral groove 22, the sleeve 2 rotates 180 ° while following the descent of the first electric push rod 3, so that the container 91 is brought above the reaction tank 12, at this time, the limiting block 15 enters the vertical groove 21 at the upper end of the spiral groove 22, the first electric push rod 3 continues to shrink, so as to drive the container 91 to descend vertically, and then the container 91 is put into the reaction tank 12, so as to complete the station switching.
In S4 of this embodiment, after the container 91 is placed in the reaction tank 12, the chemical slurry enters the container 91 through the through hole on the container 91 to react with the recycled aggregate, the power assembly is controlled to operate, that is, the first motor 41 is started to drive the shaft sleeve 7e to rotate, when the first shifting post 83 and the second shifting post 82 abut against the lower edge 734 of the second convex edge 72, the radial rotating shaft 81 and the container 91 are connected through the limiting bump 9e, so that the container 91 keeps upright when rotating, and the convex post 91 cooperates with the groove 711 on the outer side of the enclosing plate 7f, under the action of the first spring 84, the container 91 reciprocates in the radial direction, so that the recycled aggregate in the container 91 shakes, and the chemical slurry and the recycled aggregate can be better mixed, when the container 91 arrives at the turnover mechanism, the first shifting post 83 enters the first chute 731 first, further, the radial rotating shaft 81 is rotated, the first shifting column 83 enters the vertical connecting groove (as shown in fig. 8) along with the rotation of the shaft sleeve 7e, the radial rotating shaft 81 is further rotated, the first shifting column 83 stays in the vertical connecting groove along with the continuous rotation of the shaft sleeve 7e, further the radial rotating shaft 81 is driven to further rotate, the first shifting column 83 enters the rear side of the radial rotating shaft 81 along with the continuous rotation of the shaft sleeve 7e, enters the second chute 733, further the radial rotating shaft 81 is driven to rotate again, when the first shifting column 83 moves out of the second chute 733 and contacts with the lower edge 734 of the second convex edge 72 again, the second shifting column 82 also contacts with the lower edge 734 of the second convex edge 72, so that the radial rotating shaft 81 stops rotating after rotating 180 degrees, further the container 91 is driven to turn 180 degrees, further the internal recycled aggregate is driven to turn over, further the chemical slurry and the recycled aggregate can be better mixed, the chemical grout and the recycled aggregate are fully reacted by the continuous rotation of the first motor 41.
In the above S5 of the present embodiment, when the bin assembly returns, the first electric push rod 3 extends, and due to the action of the limiting block 15 and the vertical groove 21, the container 91 is driven to rise, then the first electric push rod 3 continues to extend, and drives the sleeve 2 to rotate, so that the container 91 returns to the lower part of the feeding assembly.
In S6 of the embodiment, when the container 91 returns to the lower portion of the feeding assembly, the power assembly is controlled to operate, that is, the first motor 41 is started to drive the shaft sleeve 7e to rotate anticlockwise, the control rail assembly is in the feeding position, that is, the third electric push rod 52 extends to drive the rail plate 51 to move downwards, so that the rail plate 51 is in the feeding position, when the container 91 rotates to pass through the region of the rail plate 51, the lower poking column is located below the lower straight protrusion 512, the upper poking column is located between the upper straight protrusion 511 and the lower straight protrusion 512, the lower poking column is rotated along with the container 91, so that the lower slant protrusion 514 is matched with the lower poking column, the lower slide rod 93 is pushed to move downwards against the lower spring 97, the lower cover plate 99 is pushed to open under the action of the lower connecting rod 95, so that the processed recycled aggregate falls into the collecting tank 13, and when the lower poking column is separated from the lower slant protrusion 514, the lower cover plate 99 is driven to close under the action of the lower spring 97.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (5)
1. The preparation method of the construction waste recycled aggregate is characterized by comprising the following steps of:
s1, controlling a first electric push rod to be in a fully extended position so that a feed bin assembly is positioned below a feeding assembly, adding chemical slurry into a reaction tank at the right end of a bottom plate, and then adding recycled aggregate to be treated into the feeding assembly;
s2, firstly controlling a track plate in the track assembly to be at a feeding station, then controlling the power assembly to drive a container in the bin assembly to move to be right below the feeding assembly, at the moment, controlling the upper cover assembly to be opened by the track assembly, then controlling the feeding assembly to put recycled aggregate into the container, and then controlling the power assembly to drive the container in the bin assembly to leave from right below the feeding assembly, and closing the upper end of the container by the upper cover assembly;
s3, controlling the first electric push rod to be in a fully contracted position, so that the bin assembly enters the reaction tank;
s4, controlling the power assembly to drive the container in the bin assembly to shake, so that chemical slurry and recycled aggregate can be mixed better, and simultaneously controlling the container in the bin assembly to turn 180 degrees when each turn is performed, so that the internal recycled aggregate also turns, and further, the chemical slurry and the recycled aggregate can be mixed fully;
s5, after the treatment of the recycled aggregate by the chemical slurry is completed, controlling the power assembly to stop working, and simultaneously controlling the first electric push rod to be in a fully extended position, so that the bin assembly is positioned below the feeding assembly;
s6, firstly controlling a track plate in the track assembly to be at a blanking station, then controlling the power assembly to drive a container in the bin assembly to move to the position right below the feeding assembly, at the moment, controlling the lower cover assembly to be opened by the track assembly so that treated recycled aggregate falls into the collecting tank, and then controlling the power assembly to drive the container in the bin assembly to leave the position right below the feeding assembly, and closing the lower end of the container by the lower cover assembly;
the middle part of the bottom plate is provided with a vertical convex column, the first electric push rod is fixedly arranged in the vertical convex column along the vertical direction, the telescopic end of the first electric push rod is fixedly provided with a sleeve sleeved on the vertical convex column, the outer side of the sleeve is provided with a radial rod, and the power assembly and the bin assembly are both arranged on the radial rod; the inner side wall of the sleeve is provided with a spiral groove and a vertical groove, the vertical groove is communicated with the upper end of the spiral groove, and the outer side of the vertical convex column is fixedly provided with a limiting block which is in sliding connection with the spiral groove or the vertical groove; when the first electric push rod is completely extended, the limiting block is positioned at the lower end of the spiral groove, and the end part of the radial rod is positioned below the feeding assembly; when the first electric push rod is completely contracted, the limiting block enters the upper end of the vertical groove from the upper end of the spiral groove, and the end part of the radial rod is positioned right above the reaction tank;
the bin assembly comprises a fixed shaft, the fixed shaft is fixedly arranged at the end part of the radial rod and is vertically arranged, a first convex plate is arranged at the lower end of the fixed shaft, and a first convex edge extending downwards is arranged at the outer side of the circumference of the first convex plate; the fixed shaft is rotationally connected with a shaft sleeve, the lower end of the shaft sleeve is provided with a second convex plate positioned above the first convex plate, a second convex edge extending downwards is arranged outside the circumference of the second convex plate, and a radial rotating shaft is rotationally connected with the second convex edge; the outer side of the container is provided with a connecting block, one end of the radial rotating shaft extending out of the second convex edge is connected with the connecting block, and the connecting block is in sliding connection with the radial rotating shaft along the axial direction of the radial rotating shaft and is fixedly connected along the circumferential direction of the radial rotating shaft; the upper cover component is arranged at the opening at the upper end of the container, and the lower cover component is arranged at the opening at the lower end of the container; a turnover mechanism is arranged between one end of the radial rotating shaft extending into the second convex edge and the first convex edge, and when the container rotates around the fixed shaft for one circle, the turnover mechanism controls the radial container to rotate 180 degrees around the radial rotating shaft;
the turnover mechanism comprises an end plate, the end plate is arranged at the end part of the radial rotating shaft extending into the second convex edge, a first shifting column and a second shifting column are symmetrically arranged on the side surface of the end plate at two sides of the radial rotating shaft, and when the first shifting column and the second shifting column are both abutted against the lower edge of the second convex edge, the container is in a vertical position; the connecting plate is arranged in the notch, a first chute and a second chute are formed between the connecting plate and the notch, and vertical communication grooves are formed in the upper ends of the first chute and the second chute in the first convex edge; when the second convex edge drives the radial rotating shaft to rotate, the first shifting column or the second shifting column firstly enters the first chute, and along with the rotation of the second convex edge, the first shifting column or the second shifting column enters the vertical communicating groove through the first chute, and along with the continuous rotation of the second convex edge, the first shifting column or the second shifting column enters the second chute from the vertical communicating groove and moves to the lower edge of the second convex edge through the second chute;
the upper cover assembly comprises upper cover plates hinged to two sides of an opening at the upper end of the container, an upper protruding block is arranged on the outer side of the container far away from the connecting block, an upper sliding rod is connected in the upper protruding block in a sliding manner along the axial direction of the container, an upper sliding block is arranged at the upper end of the upper sliding rod, two upper connecting rods are hinged to the upper sliding block and are respectively hinged to the two upper cover plates, an upper two protruding blocks are arranged on the outer side of the container above the upper protruding block, and an upper spring for forcing the upper sliding block to be far away from the upper two protruding blocks is arranged between the upper two protruding blocks; an upper shifting column is arranged on the outer side of the upper sliding rod along the radial direction of the container;
the lower cover assembly comprises lower cover plates hinged to two sides of an opening at the lower end of the container, a lower protruding block is arranged on the outer side of the container far away from the connecting block, a lower sliding rod is connected in the lower protruding block in a sliding manner along the axial direction of the container, a lower sliding block is arranged at the lower end of the lower sliding rod, two lower connecting rods are hinged to the lower sliding block and are respectively hinged to the two lower cover plates, a lower two protruding blocks are arranged on the outer side of the container below the lower protruding block, and a lower spring for forcing the lower sliding block to be far away from the lower two protruding blocks is arranged between the lower two protruding blocks; the outer side of the lower sliding rod is provided with a lower shifting column along the radial direction of the container;
the track assembly comprises a third electric push rod fixedly arranged on the right side of the left vertical side plate, a track plate is fixedly arranged at the lower end of the third electric push rod, and an upper straight bulge and an upper inclined bulge which are matched with the upper shifting column, and a lower straight bulge and a lower inclined bulge which are matched with the lower shifting column are arranged on the track plate; when the third electric push rod is in a contracted position, the track plate is in a feeding working position, the upper shifting column is positioned above the upper straight bulge when the container rotates to pass through the track plate area, the lower shifting column is positioned between the upper straight bulge and the lower straight bulge, and the upper oblique bulge and the upper shifting column are matched to push the upper slide rod to move upwards along with the rotation of the container, and the upper cover plate is pushed to open under the action of the upper connecting rod; when the third electric push rod is in the extending position, the track plate is in the blanking working position, the lower shifting column is positioned below the lower straight protrusion when the container rotates to pass through the track plate area, the upper shifting column is positioned between the upper straight protrusion and the lower straight protrusion, and the lower oblique protrusion and the lower shifting column are matched to push the lower slide rod to move downwards along with the rotation of the container, and the lower cover plate is pushed to open under the action of the lower connecting rod.
2. The method for preparing recycled aggregate of construction waste according to claim 1, wherein the feeding assembly comprises a feeding hopper, a left vertical side plate is arranged on the left side of the collecting tank, and the feeding hopper is fixedly arranged on the right side of the left vertical side plate and positioned right above the collecting tank through a supporting frame; the lower extreme exit of charging hopper is followed left and right sides direction sliding connection and is had the flashboard, be equipped with the discharge gate on the flashboard, the fixed second electric putter that is used for controlling the flashboard left and right movement that is equipped with on the vertical curb plate of left side, when the second electric putter drive flashboard motion to discharge gate and the lower extreme export intercommunication of charging hopper, the lower extreme export of charging hopper is opened, when the second electric putter drive flashboard motion to discharge gate and the lower extreme export of charging hopper stagger, the lower extreme export of charging hopper is closed.
3. The method for preparing the construction waste recycled aggregate according to claim 2, wherein a radial sliding hole is formed in the connecting block, a blocking ring is fixedly arranged at the opening end of the radial sliding hole, one end of the radial rotating shaft extending out of the second convex edge penetrates through the blocking ring to enter the radial sliding hole, and a sliding block body is arranged at one end of the radial rotating shaft extending into the radial sliding hole; the inside wall of radial slide hole is equipped with spacing spout, the outside of slider body is fixed to be equipped with the spacing lug that is located spacing spout.
4. The method for preparing the construction waste recycled aggregate according to claim 3, wherein the power assembly comprises a first motor, the first motor is fixedly installed on a radial rod, an extension plate is arranged at the lower end of the radial rod, the shaft sleeve is rotatably connected in the extension plate, an output shaft of the first motor stretches into the space between the radial rod and the extension plate and is fixedly provided with a first gear, a second gear meshed with the first gear is fixedly arranged on the outer side, close to the upper end, of the shaft sleeve, and the second gear drives the shaft sleeve to rotate when rotating.
5. The method for preparing recycled aggregate of construction waste according to claim 4, wherein the lower end surface of the extension plate is provided with a coaming at the outer side of the second convex edge, the outer side of the coaming is provided with a groove along the circumferential direction of the coaming, and the outer side of the container is provided with a convex column for extending into the groove; a first spring for forcing the container to drive the convex column into the groove is arranged between the sliding block body and the blocking ring in the radial sliding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210812357.4A CN115159887B (en) | 2022-07-12 | 2022-07-12 | Preparation method of building waste recycled aggregate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210812357.4A CN115159887B (en) | 2022-07-12 | 2022-07-12 | Preparation method of building waste recycled aggregate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115159887A CN115159887A (en) | 2022-10-11 |
| CN115159887B true CN115159887B (en) | 2023-08-18 |
Family
ID=83492296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210812357.4A Active CN115159887B (en) | 2022-07-12 | 2022-07-12 | Preparation method of building waste recycled aggregate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115159887B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788033A (en) * | 2015-04-15 | 2015-07-22 | 重庆市环卫控股（集团）有限公司 | Building waste recycling method |
| CN209508050U (en) * | 2019-01-24 | 2019-10-18 | 中建八局第二建设有限公司 | A kind of regeneration concrete production activation device |
| CN112110667A (en) * | 2020-09-24 | 2020-12-22 | 张茂排 | Method for manufacturing building material recycled aggregate by recycling building solid waste |
| CN112170457A (en) * | 2020-09-24 | 2021-01-05 | 张茂排 | Building solid waste recycling preparation building material recycled aggregate system |
-
2022
- 2022-07-12 CN CN202210812357.4A patent/CN115159887B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788033A (en) * | 2015-04-15 | 2015-07-22 | 重庆市环卫控股（集团）有限公司 | Building waste recycling method |
| CN209508050U (en) * | 2019-01-24 | 2019-10-18 | 中建八局第二建设有限公司 | A kind of regeneration concrete production activation device |
| CN112110667A (en) * | 2020-09-24 | 2020-12-22 | 张茂排 | Method for manufacturing building material recycled aggregate by recycling building solid waste |
| CN112170457A (en) * | 2020-09-24 | 2021-01-05 | 张茂排 | Building solid waste recycling preparation building material recycled aggregate system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115159887A (en) | 2022-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214262264U (en) | Recycled concrete raw materials for production breaker | |
| CN111111853A (en) | Recycled concrete screening plant | |
| CN110090701A (en) | A kind of broken and construction material fabricated device for cinder | |
| CN112452415A (en) | Construction waste classification recovery processing device | |
| CN113427636A (en) | Building concrete gravel mixing equipment | |
| CN115159887B (en) | Preparation method of building waste recycled aggregate | |
| CN209699546U (en) | A kind of aggregate processing unit (plant) of regeneration concrete | |
| CN111439978A (en) | Anti-crack recycled concrete and manufacturing method thereof | |
| CN214570428U (en) | Lifting device for concrete for building | |
| CN212167587U (en) | Gravel waste recycling and smashing device | |
| CN210880292U (en) | Aggregate bin unloader | |
| CN112718820A (en) | Recovery plant is smashed to wet rubbish of industry | |
| CN111392992B (en) | Pharmaceutical sludge treatment method and barreled sludge unloading method thereof | |
| CN206561489U (en) | Ceramic tile production lapping device | |
| CN107694921A (en) | A kind of high-effective concrete screening plant | |
| CN214644738U (en) | Conveyer is used in concrete production | |
| CN220443945U (en) | Building rubbish treatment device for constructional engineering | |
| CN215150496U (en) | A environment-friendly concrete processing equipment for civil engineering building | |
| CN219309591U (en) | Concrete waste recovery device | |
| CN214107156U (en) | Recycled concrete waste recovery device | |
| CN216224754U (en) | Lime sand brick raw materials for production preprocessing device for solid waste treatment | |
| CN220991010U (en) | Environment-friendly construction waste treatment machine | |
| CN216106648U (en) | Calcining mechanism for active lime production line | |
| CN221164386U (en) | Building rubbish recycling bin | |
| CN219051623U (en) | Efficient crushing device based on construction waste treatment |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230721 Address after: 201419 No. 18, white stone road, Spark Development Zone, Shanghai, Fengxian District Applicant after: SHANGHAI ZHONGQI ENVIRONMENT TECHNOLOGY CO.,LTD. Address before: Huahui Road, Huaqiao Science and Technology Industrial Park, Huashan Town, Huadu District, Guangzhou City, Guangdong Province, 510000 Applicant before: Zhou Yanqing |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |