CN221756433U - Abandoned concrete recovery regeneration device - Google Patents

Abstract

The utility model provides a waste concrete recycling and regenerating device, which relates to the technical field of concrete recycling and comprises a stirring tank, wherein a receiving hopper is arranged on one side of the top of the stirring tank, a polyacrylamide adder and a sodium silicate adder are arranged on the other side of the top of the stirring tank, a stirring motor is arranged in the center of the top of the stirring tank, the bottom of the stirring motor penetrates through the inner side of the stirring tank, a transmission shaft is arranged at the bottom of the stirring motor, and a plurality of stirring paddles are uniformly distributed on the outer wall of the transmission shaft. The utility model greatly reduces the waste materials of solid and cement slurry which are required to be poured and are generated by using the current scheme to treat the waste concrete, thereby reducing the pressure of receiving the waste materials in a piling and filling area, saving the area and the space required by a concrete mixing station for treating the waste concrete by using the current scheme, improving the pressure of treating the waste concrete to the piling and filling area by using the current scheme, and reducing the environmental pollution of the concrete mixing station.

Description

A waste concrete recycling and regeneration device

Technical Field

The utility model relates to the technical field of concrete recycling, in particular to a waste concrete recycling and regeneration device.

Background Art

Concrete batching plants produce unusable concrete that needs to be discarded during production and operation. The causes include concrete that is found to be unusable during production or after it is transported to the construction site, or excess concrete after use, concrete that is unusable due to the need to use water to clean the mixer or the mixer truck during production, and concrete that cannot be used and needs to be discarded due to other reasons.

Existing treatment methods generate a large amount of solid waste, which puts great pressure on landfills, requires large areas of land for treatment, has extremely high treatment and dumping costs, and also leads to the generation of sediment and sewage, ultimately causing environmental pollution.

Utility Model Content

The purpose of the utility model is to solve the problem that the treatment methods in the prior art generate a large amount of solid waste, cause great pressure on landfills, require a large area for treatment, have extremely high treatment and dumping costs, and also lead to the generation of sediment and sewage, which ultimately causes environmental pollution, and propose a waste concrete recycling and regeneration device.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a waste concrete recycling and regeneration device, comprising a mixing tank, a material receiving hopper is arranged on one side of the top of the mixing tank, a polyacrylamide adder and a sodium silicate adder are installed on the other side of the top of the mixing tank, a mixing motor is arranged at the top center of the mixing tank, the bottom of the mixing motor passes through the inner side of the mixing tank, a transmission shaft is installed at the bottom of the mixing motor, and a plurality of mixing paddles are evenly distributed on the outer wall of the transmission shaft.

Preferably, a scraper is installed at one end of the stirring paddle, and a scraper is installed on the side of the scraper.

Preferably, a sliding strip is provided on the side of the scraper, and the sliding strip is slidably connected to the inner side of the scraper, and the scraper is attached to the inner wall of the mixing tank.

Preferably, a discharge port is provided at the bottom of the stirring tank, and a conveying frame is installed at the bottom of the stirring tank.

Preferably, conveying shafts are provided at both ends of the conveying frame, a conveying belt is wound around the outer wall of the conveying shaft, and a conveying motor is installed at one end of a single conveying shaft.

Preferably, a bottom plate is installed at the bottom of the conveying frame, a storage hopper is installed at one end of the bottom plate, a material discharge partition is installed at the bottom of the storage hopper, and the storage hopper is arranged at one end of the conveying frame.

Compared with the prior art, the advantages and positive effects of the utility model are:

1. The utility model can greatly reduce the solid and cement slurry wastes that need to be dumped when using the current solution to treat waste concrete, thereby reducing the pressure on landfills to receive waste materials, saving the area and space required for concrete mixing plants to treat waste concrete with the current solution, improving the pressure on landfills caused by concrete mixing plants when treating waste concrete with the current solution, reducing environmental pollution of concrete mixing plants, saving the cost of treating and dumping waste concrete, and saving raw material costs by using the recycled aggregates produced by the patented technical solution to replace part of the new aggregates in the newly produced concrete.

2. In the utility model, the scraper is fitted on the inner wall of the mixing tank by the scraper blade, and the inner wall of the mixing tank is scraped and cleaned during the mixing process, which is beneficial to reduce the solidification of concrete inside the mixing tank and ensures sufficient mixing and recycling work. At the same time, the scraper is slidably installed on the scraper with a sliding strip, which can be easily disassembled and replaced after wear and tear, ensuring the cleaning effect after long-term use.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of a waste concrete recycling and regeneration device proposed by the utility model;

FIG2 is a schematic cross-sectional view of a waste concrete recycling and regeneration device proposed by the present invention;

FIG3 is a partial structural schematic diagram of a waste concrete recycling and regeneration device proposed by the utility model;

FIG4 is an enlarged structural schematic diagram of point A of a waste concrete recycling and regeneration device proposed by the present invention.

Legend: 1. Mixing tank; 2. Receiving hopper; 3. Mixing motor; 4. Transmission shaft; 5. Mixing paddle; 6. Scraper; 7. Scraper; 8. Polyacrylamide adder; 9. Sodium silicate adder; 10. Discharge port; 11. Conveyor rack; 12. Conveyor belt; 13. Conveyor shaft; 14. Conveyor motor; 15. Storage hopper; 16. Unloading partition; 17. Sliding strip.

DETAILED DESCRIPTION

In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

Example 1

As shown in Figures 1 to 4, the utility model provides a technical solution: a waste concrete recycling and regeneration device, including a mixing tank 1, a receiving hopper 2 is arranged on one side of the top of the mixing tank 1, a polyacrylamide adder 8 and a sodium silicate adder 9 are installed on the other side of the top of the mixing tank 1, a mixing motor 3 is arranged at the top center of the mixing tank 1, the bottom of the mixing motor 3 runs through the inner side of the mixing tank 1, a transmission shaft 4 is installed at the bottom of the mixing motor 3, a plurality of stirring paddles 5 are evenly distributed on the outer wall of the transmission shaft 4, a discharge port 10 is arranged at the bottom of the mixing tank 1, and a conveying frame 11 is installed at the bottom of the mixing tank 1.

In this embodiment, the receiving hopper 2 can receive waste concrete dumped from a concrete mixer or other concrete loading or transportation equipment, and polyacrylamide and sodium silicate can be added respectively through the polyacrylamide adder 8 and the sodium silicate adder 9. The former is used to absorb moisture in the waste concrete, and the required dosage depends on the humidity of the waste concrete, generally 0.1kg to 10kg per cubic meter of concrete; the latter is used to make the cement paste absorbed by the moisture in the waste concrete and adhered to the surface of the coarse aggregate in the waste concrete quickly solidify, thereby forming aggregates wrapped by hardened cement paste, which can replace new aggregates in the fresh concrete part. The transmission shaft 4 is driven by the stirring motor 3, and then the stirring paddle 5 is driven to stir the internal concrete mixture, thereby achieving the effect of regeneration. The discharge port 10 can provide discharge work after production, and the conveying frame 11 facilitates the transportation of the discharged materials.

Example 2

As shown in Figures 1 to 4, a scraper 6 is installed at one end of the stirring paddle 5, a scraper 7 is installed on the side of the scraper 6, a sliding strip 17 is provided on the side of the scraper 7, the sliding strip 17 is slidably connected to the inner side of the scraper 6, the scraper 7 is attached to the inner wall of the stirring tank 1, conveying shafts 13 are provided at both ends of the conveying frame 11, the outer wall of the conveying shaft 13 is wrapped with a conveying belt 12, a conveying motor 14 is installed at one end of the single conveying shaft 13, a bottom plate is installed at the bottom of the conveying frame 11, a storage hopper 15 is installed at one end of the bottom plate, a material discharge baffle 16 is installed at the bottom of the storage hopper 15, and the storage hopper 15 is arranged at one end of the conveying frame 11.

In this embodiment, the scraper 6 cooperates with the scraper 7 to fit the inner wall of the mixing tank 1, and the inner wall of the mixing tank 1 is scraped and cleaned during the mixing process, which is beneficial to reduce the solidification of concrete inside the mixing tank 1 and ensure sufficient mixing and recovery work. At the same time, the scraper 7 is slidably installed on the scraper 6 using a sliding strip 17, which can be easily disassembled and replaced after wear and tear, thereby ensuring the cleaning effect after long-term use. The conveying motor 14 drives the conveying shaft 13 to rotate, thereby driving the conveyor belt 12 to realize conveying to the storage hopper 15 for storage, and the storage hopper 15 collects the aggregate wrapped in the hardened cement slurry and stores it for reuse in the production of fresh concrete.

Working principle of this embodiment: when in use, first, the receiving hopper 2 can receive the waste concrete dumped from the concrete mixer or other concrete loading or transportation equipment, and polyacrylamide and sodium silicate can be added respectively through the polyacrylamide adder 8 and the sodium silicate adder 9. The function of polyacrylamide is to absorb the moisture in the waste concrete, and the sodium silicate makes the cement paste absorbed by the moisture in the waste concrete and adhered to the surface of the coarse aggregate in the waste concrete to solidify quickly, thereby forming the aggregate wrapped by the hardened cement paste, which can replace the new aggregate in the fresh concrete part, and the scraper 6 cooperates with the scraper 7 to fit on the mixing The inner wall of the mixing tank 1 is scraped and cleaned during the mixing process, which is beneficial to reduce the solidification of concrete inside the mixing tank 1 and ensure sufficient mixing and recovery work. At the same time, the scraper 7 is slidably installed on the scraper 6 using a sliding strip 17, which can be easily disassembled and replaced after wear and tear, ensuring the cleaning effect after long-term use. The conveying motor 14 drives the conveying shaft 13 to rotate, thereby driving the conveyor belt 12 to transport it to the storage hopper 15 for storage. The storage hopper 15 collects the aggregate wrapped in the hardened cement slurry and stores it for reuse in the production of fresh concrete.

The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a waste concrete retrieves regeneration device, includes agitator tank (1), its characterized in that: the stirring tank comprises a stirring tank body and is characterized in that a receiving hopper (2) is arranged on one side of the top of the stirring tank body (1), a polyacrylamide adder (8) and a sodium silicate adder (9) are arranged on the other side of the top of the stirring tank body (1), a stirring motor (3) is arranged in the center of the top of the stirring tank body (1), the bottom of the stirring motor (3) penetrates through the inner side of the stirring tank body (1), a transmission shaft (4) is arranged at the bottom of the stirring motor (3), and a plurality of stirring paddles (5) are uniformly distributed on the outer wall of the transmission shaft (4).

2. The waste concrete recycling and regenerating device according to claim 1, wherein: one end of the stirring paddle (5) is provided with a scraping plate (6), and the side surface of the scraping plate (6) is provided with a scraping knife (7).

3. The waste concrete recycling and regenerating device according to claim 2, wherein: the side of scraper (7) is provided with smooth dress strip (17), smooth dress strip (17) sliding connection is in the inboard of scraper blade (6), the laminating of scraper (7) is at the inner wall of agitator tank (1).

4. The waste concrete recycling and regenerating device according to claim 1, wherein: the bottom of agitator tank (1) is provided with discharge gate (10), carriage (11) are installed to the bottom of agitator tank (1).

5. The apparatus for recycling and regenerating waste concrete according to claim 4, wherein: conveying shafts (13) are arranged at two ends of the conveying frame (11), conveying belts (12) are wound on the outer walls of the conveying shafts (13), and conveying motors (14) are arranged at one ends of the conveying shafts (13).

6. The apparatus for recycling and regenerating waste concrete according to claim 4, wherein: the bottom plate is installed to the bottom of carriage (11), storage hopper (15) are installed to the one end of bottom plate, unloading baffle (16) are installed to the bottom of storage hopper (15), storage hopper (15) set up the one end at carriage (11).