CN111168557A - Recycled aggregate shaping device - Google Patents
Recycled aggregate shaping device Download PDFInfo
- Publication number
- CN111168557A CN111168557A CN202010009017.9A CN202010009017A CN111168557A CN 111168557 A CN111168557 A CN 111168557A CN 202010009017 A CN202010009017 A CN 202010009017A CN 111168557 A CN111168557 A CN 111168557A
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- Prior art keywords
- shaping
- pipeline
- aggregate
- lining plate
- powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a recycled aggregate shaping device which comprises a feeding hopper, a shaping pipeline, a powder selecting mechanism and a dust collector, wherein a lining plate is arranged on the inner wall of the shaping pipeline, and the lining plate is provided with a convex object. Autoclaved aerated concrete block aggregate enters a shaping pipeline through a feeding hopper, compressed air is introduced into the shaping pipeline through an air compressor, the aggregate moves along the shaping pipeline under the drive of the compressed air, a lining plate is arranged on the inner wall of the shaping pipeline, a convex object facing the axis direction of the shaping pipeline is arranged on the lining plate, edges and corners of the aggregate are ground off under the friction action of the lining plate and the collision action of the convex object, the aggregate with the edges and corners ground off and generated powder are conveyed to a powder selecting mechanism through air flow, the powder selecting mechanism can separate the aggregate from the powder, a dust collector can collect the powder, the powder selecting mechanism outputs the aggregate, the particle shape of the shaped aggregate is close to spherical, and the dust collector collects the powder generated by shaping, so that the surface of the shaped aggregate is clean and free of dust, and the shaping quality of the aggregate is improved.
Description
Technical Field
The invention relates to the technical field of construction waste treatment equipment and peripheral supporting facilities thereof, in particular to a recycled aggregate shaping device.
Background
Along with the acceleration of the urbanization process, the construction waste generated in cities increases year by year, the decoration waste recycling treatment is regarded as a field which is neglected for a long time and has relatively blank recycling utilization work, the research work of the recycling treatment technology is not paid enough attention, the technical basis of the current industry is weak, particularly, the recycling utilization of autoclaved aerated concrete blocks in the decoration waste lacks a complete set of solution technical scheme capable of realizing large-scale recycling utilization, and the problem of industrial development through innovation research is urgently awaited. The autoclaved aerated concrete blocks are important components in the decoration garbage, so that the resource utilization of the autoclaved aerated concrete blocks in the decoration garbage is an important way for solving the resource utilization of the decoration garbage. If a method for recycling autoclaved aerated concrete blocks in decoration garbage can be explored, the environmental pressure can be greatly relieved, and meanwhile, great economic benefits can be obtained.
One part of the construction waste is demolition waste and decoration waste, and the resource utilization of the autoclaved aerated concrete blocks in the demolition waste and the decoration waste is very difficult, and the resource utilization is a big problem in the industry. The autoclaved aerated concrete block has low strength generally about 5MPa, the particle shape of the crushed particles is poor in the common process, the particle appearance mainly comprises blocky and needle-like shapes, the stacking density is low, and the crushed particles are difficult to be directly used as aggregates, while the existing aggregate shaping technology mainly aims at hard aggregates (the strength of concrete aggregates, clay sintered brick aggregates and the like is more than 20 MPa), and the main shaping methods of the autoclaved aerated concrete block comprise a grinding method, a self-impact and friction method and an impact method (a stone-hitting method). The shaping method is not suitable for light autoclaved aerated concrete block aggregates with low strength, and the shaped aggregates have the defects of poor particle shape, more powder attached to the surface of the aggregates, high equipment cost, high energy consumption and the like.
Therefore, the problem to be solved by the technical personnel in the field is urgently needed to provide the aggregate shaping equipment for the lightweight autoclaved aerated concrete block to improve the aggregate shaping quality.
Disclosure of Invention
The invention aims to provide a recycled aggregate shaping device, which is used for solving the problems in the prior art, so that the device can meet the requirement of shaping treatment of autoclaved aerated concrete block aggregates, and the aggregate shaping quality is improved.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a recycled aggregate shaping device which comprises a feeding hopper, a shaping pipeline, a powder selecting mechanism and a dust collector, wherein the feeding hopper can be communicated with a crusher, the feeding hopper is communicated with the powder selecting mechanism through the shaping pipeline, the powder selecting mechanism can select materials, the dust collector is communicated with the powder selecting mechanism, the dust collector can collect powder in the materials, the shaping pipeline is also connected with an air compressor, and the air compressor is arranged on one side, close to the feeding hopper, of the shaping pipeline; the inner wall of the shaping pipeline is provided with a lining plate, the lining plate is detachably connected with the shaping pipeline, the lining plate is provided with a convex object, the convex object is arranged in a protruding mode in the axial direction of the shaping pipeline, and the lining plate is made of wear-resistant materials.
Preferably, the number of the convex objects is multiple, and the convex objects are uniformly distributed on the lining plate.
Preferably, the axial cross-section of the boss is continuously stepped.
Preferably, the step width of the convex object is 3-10mm, and the step height is 2-8 mm.
Preferably, the convex objects are in a sawtooth shape, and a plurality of convex objects are uniformly distributed at equal intervals along the axis direction of the shaping pipeline.
Preferably, the axial section of the convex objects is trapezoidal, the distance between adjacent convex objects is 3-10mm, the thickness of the convex objects is 5-13mm, and the height of the convex objects is 2-8 mm.
Preferably, the diameter of the shaping pipeline is 10-50cm, the thickness of the lining plate is 5-13mm, and the lining plate is connected with the shaping pipeline through bolts.
Preferably, the plastic pipeline includes the multistage body, the multistage the connection can be dismantled to the body, the body is split type structure, the body includes two half pipes, half pipe's radial cross-section is the semicircle, two the butt face of half pipe sets up sealed the pad, sealed pad is made by the rubber material.
Preferably, the shaping duct comprises a plurality of bends, each bend being an arc-shaped bend.
Preferably, the feeding hopper is located between the shaping pipeline and the air compressor, the air compressor is provided with an air valve, an air locking valve is arranged between the feeding hopper and the shaping pipeline, and the shaping pipeline is provided with an explosion-proof valve.
Compared with the prior art, the invention has the following technical effects: the recycled aggregate shaping device comprises a feeding hopper, a shaping pipeline, a powder selecting mechanism and a dust collector, wherein the feeding hopper can be communicated with a crusher, the feeding hopper is communicated with the powder selecting mechanism through the shaping pipeline, the powder selecting mechanism can sort materials, the dust collector is communicated with the powder selecting mechanism, the dust collector can collect powder in the materials, the shaping pipeline is also connected with an air compressor, and the air compressor is arranged on one side, close to the feeding hopper, of the shaping pipeline; the inner wall of the shaping pipeline is provided with a lining plate, the lining plate is detachably connected with the shaping pipeline, the lining plate is provided with a convex object, the convex object is arranged in a protruding mode towards the axis direction of the shaping pipeline, and the lining plate is made of wear-resistant materials. Crushing autoclaved aerated concrete blocks by a crusher, feeding aggregate of the autoclaved aerated concrete blocks into a shaping pipeline through a feeding hopper, introducing compressed air into the shaping pipeline by an air compressor, driving the aggregate to move along the shaping pipeline under the drive of the compressed air, arranging a lining plate on the inner wall of the shaping pipeline, wherein a convex object facing the axial direction of the shaping pipeline is arranged on the lining plate, edges and corners of the aggregate are ground off under the friction action of the lining plate and the collision action of the convex object, conveying the ground-off edges and the generated powder to a powder selecting mechanism by air flow, separating the aggregate from the powder by the powder selecting mechanism, collecting the powder by a dust collector, outputting the aggregate by the powder selecting mechanism, ensuring that the particle shape of the shaped aggregate is close to spherical, determining whether secondary shaping is needed or not according to the precision requirement in actual production, and collecting the powder generated by shaping by the dust collector so that the surface of the shaped aggregate is clean, No dust, improved aggregate shaping quality and contribution to subsequent treatment of the aggregate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a recycled aggregate shaping apparatus according to the present invention;
wherein, 1 is the hopper, 2 is the plastic pipeline, 3 is the selection powder mechanism, 4 is the dust collector, 5 is air compressor, 6 is the convex thing, 7 is the body, 8 is the ferrule, 9 is the air valve, 10 is the lock blast gate, 11 is explosion-proof valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a recycled aggregate shaping device, which is used for solving the problems in the prior art, so that the device can meet the requirement of shaping treatment of autoclaved aerated concrete block aggregates, and the aggregate shaping quality is improved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, fig. 1 is a schematic structural view of a recycled aggregate shaping device according to the present invention.
The invention provides a recycled aggregate shaping device which comprises a feeding hopper 1, a shaping pipeline 2, a powder selecting mechanism 3 and a dust collector 4, wherein the feeding hopper 1 can be communicated with a crusher, the feeding hopper 1 is communicated with the powder selecting mechanism 3 through the shaping pipeline 2, the powder selecting mechanism 3 can sort materials, the dust collector 4 is communicated with the powder selecting mechanism 3, the dust collector 4 can collect powder in the materials, the shaping pipeline 2 is also connected with an air compressor 5, and the air compressor 5 is arranged on one side of the shaping pipeline 2, which is close to the feeding hopper 1; the inner wall of the shaping pipeline 2 is provided with a lining plate, the lining plate is detachably connected with the shaping pipeline 2, the lining plate is provided with a convex object 6, the convex object 6 is arranged in a protruding mode towards the axis direction of the shaping pipeline 2, and the lining plate is made of wear-resistant materials.
In the recycling process of the autoclaved aerated concrete block, after the autoclaved aerated concrete block is crushed by a crusher, aggregate of the autoclaved aerated concrete block enters a shaping pipeline 2 through a feeding hopper 1, compressed air is introduced into the shaping pipeline 2 through an air compressor 5, the aggregate moves along the shaping pipeline 2 under the drive of the compressed air, a lining plate is arranged on the inner wall of the shaping pipeline 2, a convex object 6 facing the axial direction of the shaping pipeline 2 is arranged on the lining plate, edges and corners of the aggregate are ground off under the friction of the lining plate and the collision action of the convex object 6, the aggregate with the edges and corners ground off and generated powder are conveyed to a powder selecting mechanism 3 through air flow, the powder selecting mechanism 3 can separate the aggregate from the powder, a dust collector 4 can collect the powder, the powder is output by the powder selecting mechanism 3, the particle shape of the shaped aggregate is close to spherical, whether secondary shaping is needed or not can be determined according to the precision requirement in the actual production, the dust collector 4 collects the powder generated by shaping, so that the surface of the shaped aggregate is clean and free of dust, the shaping quality of the aggregate is improved, and the subsequent treatment of the aggregate is facilitated.
Wherein, the quantity of convex thing 6 is a plurality of, and a plurality of convex thing 6 equipartitions set up on the welt, sets up convex thing 6 on the welt, strengthens the friction and collision to the aggregate, improves aggregate plastic efficiency.
In the embodiment, the axial section of the convex object 6 is a continuous step shape, the step-shaped convex object 6 extends along the axial direction of the shaping pipeline 2, the working efficiency of the device for shaping the aggregate is improved, the step width of the convex object 6 is 3-10mm, and the step height is 2-8 mm.
In another embodiment of the present invention, the convex objects 6 are saw-toothed, and a plurality of convex objects 6 are uniformly distributed at equal intervals along the axial direction of the shaping pipe 2, wherein the axial section of the convex objects 6 is trapezoidal, the interval between adjacent convex objects 6 is 3-10mm, the thickness of the convex objects 6 is 5-13mm, and the height of the convex objects 6 is 2-8 mm. In actual production, the lining plate with the convex objects 6 of different types can be replaced according to the particle size of the aggregate and the strength of the aggregate.
Specifically, the diameter of the shaping pipeline 2 is 10-50cm, the thickness of the lining plate is 5-13mm, the lining plate is connected with the shaping pipeline 2 through bolts, and the lining plate is detachably connected with the shaping pipeline 2, so that the assembly and disassembly are convenient, and the working efficiency is improved.
More specifically, shaping pipeline 2 includes multistage body 7, the connection can be dismantled to multistage body 7, the operator can be according to actual production, the place needs etc. make up the equipment to multistage body 7, improve shaping pipeline 2's nimble adaptability, adjacent body 7 links to each other through ferrule 8, ferrule 8 comprises the steel sheet of two semicircles form, body 7 is split type structure, body 7 includes two half pipes, the radial cross-section of half pipe is semi-circular, two half pipe one sides are articulated, bolted connection is passed through to the opposite side, the butt face of two half pipes sets up sealed the pad, sealed the pad is made by rubber materials, improve shaping pipeline 2's leakproofness.
Furthermore, the shaping pipeline 2 comprises a plurality of curved channels, so that the flow path of the aggregate in the shaping pipeline 2 is prolonged, the contact probability of the aggregate with the lining plate and the convex object 6 is improved, the shaping efficiency is improved, the occupied space of the device is saved, the curved channels are arc-shaped curved channels, the damage of the shaping pipeline 2 to the aggregate is effectively avoided, the shaping quality of the aggregate is improved, and the raw material loss is avoided as much as possible.
In addition, hopper 1 is located between plastic pipeline 2 and air compressor 5, ensures that compressed air can carry the aggregate that flows out in hopper 1 to plastic pipeline 2 smoothly, and air compressor 5 is provided with air valve 9, is provided with air lock valve 10 between hopper 1 and the plastic pipeline 2, is provided with explosion-proof valve 11 on the plastic pipeline 2, and the operating condition of the controlling means of being convenient for improves device operational safety. It should be noted here that the air compressor 5 delivers compressed air into the shaping pipeline 2, the other end of the shaping pipeline 2 is connected to the sorting mechanism and the dust collector 4, and the sorting mechanism and the dust collector 4 are provided with a structure communicated with the external environment to ensure the normal operation of the shaping pipeline 2, and as it is a conventional means of those skilled in the art, detailed descriptions of the specific structure communicated with the external environment are omitted here.
When the recycled aggregate shaping device works, the autoclaved aerated concrete block aggregate enters a shaping pipeline 2 through a feeding hopper 1, compressed air is introduced into the shaping pipeline 2 through an air compressor 5, the aggregate moves along the shaping pipeline 2 under the drive of the compressed air, a lining plate is arranged on the inner wall of the shaping pipeline 2, a convex object 6 facing the axial direction of the shaping pipeline 2 is arranged on the lining plate, edges and corners of the aggregate are ground off under the friction action of the lining plate and the collision action of the convex object 6, the aggregate with the edges and corners being ground off and the generated powder are conveyed to a powder selecting mechanism 3 through air flow, the powder selecting mechanism 3 can separate the aggregate from the powder, a dust collector 4 can collect the powder, the powder selecting mechanism 3 outputs the aggregate, the particle shape of the shaped aggregate is close to spherical, whether secondary shaping is needed or not can be determined according to the precision requirement in actual production, and the powder generated by shaping is collected by the dust collector 4, the surface of the shaped aggregate is clean and free of dust, the shaping quality of the aggregate is improved, and the aggregate is favorable for further chemical strengthening treatment, such as a cement paste, a silica powder-doped aggregate wrapping strengthening method outside the cement paste, and an organic silicon emulsion and polyvinyl alcohol solution soaking aggregate strengthening method.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A recycled aggregate shaping device is characterized in that: the powder sorting machine comprises a feeding hopper, a shaping pipeline, a powder selecting mechanism and a dust collector, wherein the feeding hopper can be communicated with a crusher, the feeding hopper is communicated with the powder selecting mechanism through the shaping pipeline, the powder selecting mechanism can sort materials, the dust collector is communicated with the powder selecting mechanism, the dust collector can collect powder in the materials, the shaping pipeline is also connected with an air compressor, and the air compressor is arranged on one side, close to the feeding hopper, of the shaping pipeline; the inner wall of the shaping pipeline is provided with a lining plate, the lining plate is detachably connected with the shaping pipeline, the lining plate is provided with a convex object, the convex object is arranged in a protruding mode in the axial direction of the shaping pipeline, and the lining plate is made of wear-resistant materials.
2. The recycled aggregate shaping device according to claim 1, wherein: the number of the convex objects is multiple, and the convex objects are uniformly distributed on the lining plate.
3. The recycled aggregate shaping device according to claim 2, wherein: the axial section of the convex object is in a continuous step shape.
4. The recycled aggregate shaping device of claim 3, wherein: the step width of the convex object is 3-10mm, and the step height is 2-8 mm.
5. The recycled aggregate shaping device according to claim 2, wherein: the convex objects are in a sawtooth shape, and a plurality of convex objects are uniformly distributed at equal intervals along the axis direction of the shaping pipeline.
6. The recycled aggregate shaping device of claim 5, wherein: the axial section of the convex objects is trapezoidal, the distance between every two adjacent convex objects is 3-10mm, the thickness of each convex object is 5-13mm, and the height of each convex object is 2-8 mm.
7. The recycled aggregate shaping device according to claim 1, wherein: the diameter of the shaping pipeline is 10-50cm, the thickness of the lining plate is 5-13mm, and the lining plate is connected with the shaping pipeline through bolts.
8. The recycled aggregate shaping device according to claim 1, wherein: the shaping pipeline comprises a multi-section pipe body, the pipe body is detachably connected, the pipe body is of a split type structure, the pipe body comprises two half pipes, the radial cross section of each half pipe is a semicircle, the butt joint faces of the half pipes are provided with sealing gaskets, and the sealing gaskets are made of rubber materials.
9. The recycled aggregate shaping device of claim 8, wherein: the shaping pipeline comprises a plurality of bent pipes, and the bent pipes are arc-shaped bent pipes.
10. The recycled aggregate shaping device according to claim 1, wherein: the feeding hopper is located between the shaping pipeline and the air compressor, the air compressor is provided with an air valve, an air locking valve is arranged between the feeding hopper and the shaping pipeline, and the shaping pipeline is provided with an explosion-proof valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010009017.9A CN111168557B (en) | 2020-01-06 | 2020-01-06 | Recycled aggregate shaping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010009017.9A CN111168557B (en) | 2020-01-06 | 2020-01-06 | Recycled aggregate shaping device |
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| CN111168557A true CN111168557A (en) | 2020-05-19 |
| CN111168557B CN111168557B (en) | 2021-07-20 |
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| CN202010009017.9A Active CN111168557B (en) | 2020-01-06 | 2020-01-06 | Recycled aggregate shaping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887718A (en) * | 2022-04-02 | 2022-08-12 | 湖北冶金地质研究所(中南冶金地质研究所) | Gravel grinding machine for shaping machine-made aggregate |
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|---|---|
| CN111168557B (en) | 2021-07-20 |
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