System for co-processing engineering residue soil and construction waste

Abstract

The utility model relates to a system for co-processing engineering residue soil and construction waste. Comprising a muck treatment part for treating muck into mud cakes, a construction waste treatment part for treating construction waste to obtain coarse aggregates and construction micro powder, and a curing treatment part for curing the mud cakes and the construction micro powder, the muck treatment part and the construction waste treatment part are both connected with the solidification treatment part. The engineering muck treatment system and the construction waste treatment system are combined, aggregates with different particle sizes in the two systems can be used for building materials while the aggregates with various particle sizes are generated, a curing agent is added into mud cakes and construction waste micro powder, the mixture is stirred to form a solidified soil material, and the solidified soil material can be applied to multiple scenes and can be applied to various fields. A complete solid waste resource treatment system is formed on the basis of the processes, and the blank that redundant resources of the two systems cannot be fully utilized is filled.

Description

Technical Field

[0001] The utility model relates to the technical field of slag treatment, in particular to a system for coordinated treatment of engineering slag and building waste. Background Art

[0002] At present, in the process of engineering slag treatment and construction waste treatment in my country, the treatment of engineering slag mainly involves washing and filtering the slag to produce aggregates such as sand and gravel, while the mud cake after filtering is not fully utilized because it cannot be applied in actual scenarios; the treatment process of construction waste mainly involves sorting, crushing and screening construction waste to produce construction aggregates of different specifications, but the construction fine powder generated in the treatment process has not been collected and utilized;

[0003] According to the current domestic utilization of mud cakes and construction waste powder, most of the mud cakes are directly discarded, and a small part is used to produce bricks, tiles or other building materials. However, the process of this production faces new technical solutions and equipment, which makes implementation difficult; most of the construction waste powder is not recycled. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a system for the coordinated treatment of engineering slag and construction waste, so as to solve the problem that mud cakes and construction fine powder are not recycled in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model discloses a system for the coordinated treatment of engineering slag and construction waste, comprising a slag treatment part for treating the slag into mud cakes, a construction waste treatment part for treating the construction waste to obtain coarse aggregate and construction fine powder, and a solidification treatment part for solidifying the mud cakes and construction fine powder;

[0007] The slag processing part and the construction waste processing part are both connected to the solidification processing part.

[0008] In one embodiment of the present application, the slag processing part includes a slag pool for storing slag, a vibrating screen for screening coarse aggregate from the slag, a conveyor belt for transporting the coarse aggregate, a first double-screw cleaning machine for primary cleaning of the transported coarse aggregate, a wheel cleaning machine for secondary cleaning of the aggregate after primary cleaning, a sewage pool for storing and settling the slurry obtained in the primary cleaning and secondary cleaning processes, a thickening tank for storing and flocculating the dense slurry obtained by slurry precipitation, and a plate filter press for pressing the sludge obtained by flocculation into a mud cake;

[0009] The slag pool, the vibrating screen, the conveyor belt, the first double-helix cleaning machine, the wheel cleaning machine, the sewage pool, the thickening tank and the plate filter press are connected in sequence.

[0010] In one embodiment of the present application, a dewatering screen is further included for dewatering the aggregate after secondary cleaning, and the dewatering screen is connected to the wheel cleaning machine.

[0011] In one embodiment of the present application, it also includes a clean water tank for storing clean water separated from the sewage tank, and the clean water tank is connected to the sewage tank.

[0012] In one embodiment of the present application, a reagent box for storing flocculants is further included, and the thickened mud in the thickening tank is flocculated by adding the flocculants in the reagent box.

[0013] In one embodiment of the present application, the construction waste processing part includes a loading pool for storing construction waste, a vibrating feeder for conveying construction waste, a jaw crusher for primary crushing of the conveyed construction waste, a belt iron remover for removing residual steel bars in the primary crushing, an impact crusher for secondary crushing of the construction waste after removing the residual steel bars, and a circular vibrating screen for screening coarse aggregate and construction fine powder from the secondary crushed construction waste;

[0014] The feeding tank, the vibrating feeder, the jaw crusher, the belt iron remover, the impact crusher and the circular vibrating screen are connected in sequence.

[0015] In one embodiment of the present application, it also includes a dust collector for removing dust generated during the primary crushing, and the dust collector is connected to the jaw crusher.

[0016] In one embodiment of the present application, it also includes a second double-helix cleaning machine for cleaning construction waste other than coarse aggregate and construction fine powder, and the second double-helix cleaning machine is connected to the circular vibrating screen.

[0017] In one embodiment of the present application, the solidification processing part includes a mixing tank for mixing mud cake, construction powder and a pre-configured solidifying agent to form a solidified soil material.

[0018] The beneficial effects of the utility model are as follows: the utility model is a system for the coordinated treatment of construction slag and building waste, including a slag treatment part for treating the slag into mud cakes, a building waste treatment part for treating the building waste to obtain coarse aggregates and building powder, and a solidification treatment part for solidifying the mud cakes and building powder; the slag treatment part and the building waste treatment part are both connected to the solidification treatment part. The present application combines the construction slag treatment system with the building waste treatment system, and while producing aggregates of various particle sizes, the aggregates of different particle sizes in the two systems can be used for building materials, and the mud cakes and building waste powder are added with a curing agent and stirred to form solidified soil materials, which can be applied to multiple scenarios. Based on the above process, a complete solid waste resource treatment system is formed, filling the gap that the redundant resources of the two systems cannot be fully utilized. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 This is a schematic diagram of the structure of a system for the coordinated treatment of engineering slag and construction waste according to the utility model;

[0021] 1-slag pool, 2-vibrating screen, 3-conveyor belt, 4-first double-screw cleaning machine, 5-wheel cleaning machine, 6-dewatering screen, 7-clear water pool, 8-sewage pool, 9-medicine box, 10-thickening tank, 11-plate filter press, 12-coarse aggregate, 13-first fine aggregate, 14-mud cake, 15-feeding tank, 16-vibrating feeder, 17-jaw crusher, 18-belt iron remover, 19-impact crusher, 20-dust collector, 21-circular vibrating screen, 22-second fine aggregate, 23-second double-screw cleaning machine, 24-construction micro powder, 25-fine sand, 26-mixing tank, 27-solidified soil material. DETAILED DESCRIPTION

[0022] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0023] It should be noted that the illustrations provided in the following embodiments are only used to schematically illustrate the basic concept of the present invention. Therefore, the drawings only show the layers related to the present invention rather than being drawn according to the number, shape and size of the layers in actual implementation. In actual implementation, the type, quantity and proportion of each layer may be changed arbitrarily, and the layer layout may also be more complicated.

[0024] In the following description, numerous details are discussed to provide a more thorough explanation of the embodiments of the present invention; however, it is obvious to those skilled in the art that the embodiments of the present invention can be implemented without these specific details.

[0025] Figure 1 FIG. 1 is a schematic diagram of a system for coordinating the treatment of construction waste and building debris in one embodiment of the utility model. Figure 1 As shown, it includes a slag processing part for processing slag into mud cakes, a construction waste processing part for processing construction waste to obtain coarse aggregate and construction fine powder, and a solidification processing part for solidifying the mud cakes and construction fine powder;

[0026] The slag treatment part and the construction waste treatment part are both connected to the solidification treatment part.

[0027] The above three parts are described in detail as follows:

[0028] (1) Sludge treatment

[0029] The slag processing part includes a slag pool 1 for storing slag, a vibrating screen 2 for screening coarse aggregate from the slag, a conveyor belt 3 for transporting the coarse aggregate, a first double-screw cleaning machine 4 for primary cleaning of the transported coarse aggregate, a wheel cleaning machine 5 for secondary cleaning of the aggregate after primary cleaning, a sewage pool 8 for storing and settling the sludge obtained in the primary cleaning and secondary cleaning processes, a thickening tank 10 for storing and flocculating the dense sludge obtained by sludge precipitation, and a plate filter press 11 for pressing the sludge obtained by flocculation into a mud cake;

[0030] The slag pool 1, the vibrating screen 2, the conveyor belt 3, the first double-screw cleaning machine 4, the wheel cleaning machine 5, the sewage pool 8, the thickening tank 10 and the plate filter press 11 are connected in sequence.

[0031] The slag processing part also includes a dewatering screen 6 for dewatering the aggregate after secondary cleaning, and the dewatering screen 6 is connected to the wheel cleaning machine 5.

[0032] The slag processing part also includes a clean water tank 7 for storing clean water separated from the sewage tank 8, and the clean water tank 7 is connected to the sewage tank 8.

[0033] The slag processing part also includes a reagent box 9 for storing flocculants, and the thick mud in the thickening tank 10 is flocculated by adding the flocculants in the reagent box 9.

[0034] The processing flow of the slag treatment part includes: first, the slag is piled in the slag pool 1, and the excavator puts the slag into the vibrating screen 2 for screening, and the large particles of coarse aggregate 12 are screened out, and transported and stacked through the conveyor belt 3, and the remaining unscreened part enters the double-helix cleaning machine 4 for cleaning, and then passes through the wheel cleaning machine 5 for secondary cleaning to produce sand and other first fine aggregates 13 (in order to distinguish the fine aggregates produced later, the fine aggregates here are counted as the first fine aggregates 13) and are transported out by the conveyor belt for stacking, and the mud in the cleaning process is transported to the sewage pool 8 through a pipeline, and the mud in the sewage pool enters the thickening tank 10, and flocculants are added through the reagent box 9 to precipitate the sludge, wherein the clean water enters the clean water tank 7, and the sludge is pressed into a mud cake 14 by the plate filter press 11.

[0035] (2) Construction waste treatment

[0036] The construction waste processing part includes a loading pool 15 for storing construction waste, a vibrating feeder 16 for conveying construction waste, a jaw crusher 17 for primary crushing of the conveyed construction waste, a belt iron remover 18 for removing residual steel bars in the primary crushing, an impact crusher 19 for secondary crushing of the construction waste after the residual steel bars are removed, and a circular vibrating screen 21 for screening coarse aggregate and construction fine powder from the secondary crushed construction waste;

[0037] The feeding tank 15, the vibrating feeder 16, the jaw crusher 17, the belt iron remover 18, the impact crusher 19 and the circular vibrating screen 21 are connected in sequence.

[0038] The construction waste processing part also includes a dust collector 20 for removing dust generated during the primary crushing, and the dust collector 20 is connected to the jaw crusher 17 .

[0039] The construction waste processing part also includes a second double-helix cleaning machine 23 for cleaning construction waste other than coarse aggregate and construction fine powder. The second double-helix cleaning machine 23 is connected to the circular vibrating screen 21 .

[0040] The processing flow of the construction waste treatment part includes: first, the construction waste is conveyed to the vibrating feeder 16 through the loading pool 15 by a conveyor belt, and then the vibrating feeder sends the construction waste to the jaw crusher 17 for crushing. The dust generated by the crushing is cleaned by the dust collector 20, and then the residual steel bars after crushing are removed by the belt iron remover 18. The remaining construction waste enters the impact crusher 19 for secondary crushing. The construction waste after the secondary crushing is sieved by the circular vibrating screen 21 to form the second fine aggregate 22 (in order to distinguish the fine aggregate generated above, the fine aggregate here is counted as the second fine aggregate 22) and construction powder 24. The remaining construction waste enters the double-helix cleaning machine 23 for cleaning to form fine sand 25.

[0041] (3) Curing treatment part

[0042] The solidification treatment part includes a mixing tank 26 for mixing mud cake, building powder and pre-configured solidifying agent to form solidified soil material. The mixing tank 26 obtains solidified soil material 27 by mixing mud cake, building powder and pre-configured solidifying agent.

[0043] The utility model discloses a system for the coordinated treatment of engineering slag and construction waste, comprising a slag treatment part for treating the slag into mud cakes, a construction waste treatment part for treating the construction waste to obtain coarse aggregates and construction powder, and a solidification treatment part for solidifying the mud cakes and construction powders; the slag treatment part and the construction waste treatment part are both connected to the solidification treatment part. The present application combines the engineering slag treatment system with the construction waste treatment system, and while producing aggregates of various particle sizes, the aggregates of different particle sizes in the two systems can be used for building materials, and the mud cakes and construction waste powders are added with a curing agent and stirred to form solidified soil materials, which can be applied to multiple scenarios. Based on the above process, a complete solid waste resource treatment system is formed, filling the gap that the redundant resources of the two systems cannot be fully utilized.

[0044] In the above embodiments, although the utility model has been described in conjunction with the specific embodiments of the utility model, many replacements, modifications and variations of these embodiments will be apparent to those of ordinary skill in the art based on the foregoing description. The embodiments of the utility model are intended to cover all such replacements, modifications and variations that fall within the broad scope of the appended claims.

[0045] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A system for the coordinated treatment of engineering slag and construction waste, characterized in that: It includes a slag processing part for processing slag into mud cakes, a construction waste processing part for processing construction waste to obtain coarse aggregate and construction fine powder, and a solidification processing part for solidifying the mud cakes and construction fine powder; The slag processing part and the construction waste processing part are both connected to the solidification processing part.

2. A system for the coordinated treatment of construction waste and building debris according to claim 1, characterized in that: The slag processing part comprises a slag pool (1) for storing slag, a vibrating screen (2) for screening coarse aggregate from the slag, a conveyor belt (3) for transporting the coarse aggregate, a first double-screw cleaning machine (4) for primary cleaning of the transported coarse aggregate, a wheel cleaning machine (5) for secondary cleaning of the aggregate after primary cleaning, a sewage pool (8) for storing and settling mud obtained in the primary cleaning and secondary cleaning processes, a thickening tank (10) for storing and flocculating dense mud obtained by mud precipitation, and a plate filter press (11) for pressing the sludge obtained by flocculation into mud cakes; The slag pool (1), the vibrating screen (2), the conveyor belt (3), the first double-helix cleaning machine (4), the wheel cleaning machine (5), the sewage pool (8), the thickening tank (10) and the plate filter press (11) are connected in sequence.

3. A system for the coordinated treatment of construction waste and building debris according to claim 2, characterized in that: It also comprises a dewatering screen (6) for dewatering the aggregate after secondary cleaning, and the dewatering screen (6) is connected to the wheel-type cleaning machine (5).

4. A system for the coordinated treatment of construction waste and building debris according to claim 2, characterized in that: It also comprises a clean water tank (7) for storing clean water separated from the sewage tank (8), and the clean water tank (7) is connected to the sewage tank (8).

5. The system for coordinated treatment of construction waste and building debris according to claim 2, characterized in that: It also comprises a reagent box (9) for storing flocculants, and the thick mud in the thickening tank (10) is flocculated by adding the flocculants in the reagent box (9).

6. The system for coordinated treatment of construction waste and building debris according to claim 1, characterized in that: The construction waste processing part comprises a loading pool (15) for storing construction waste, a vibrating feeder (16) for conveying construction waste, a jaw crusher (17) for primary crushing of the conveyed construction waste, a belt iron remover (18) for removing residual steel bars in the primary crushing, an impact crusher (19) for secondary crushing of the construction waste after removing the residual steel bars, and a circular vibrating screen (21) for screening out coarse aggregate and construction fine powder from the secondary crushed construction waste; The loading tank (15), the vibrating feeder (16), the jaw crusher (17), the belt iron remover (18), the impact crusher (19) and the circular vibrating screen (21) are connected in sequence.

7. A system for the coordinated treatment of construction waste and building debris according to claim 6, characterized in that: It also comprises a dust collector (20) for removing dust generated during primary crushing, and the dust collector (20) is connected to the jaw crusher (17).

8. The system for coordinated treatment of construction waste and building debris according to claim 6, characterized in that: It also comprises a second double-helix cleaning machine (23) for cleaning construction waste other than coarse aggregate and construction fine powder, and the second double-helix cleaning machine (23) is connected to the circular vibrating screen (21).

9. The system for coordinated treatment of construction waste and building debris according to claim 1, characterized in that: The solidification processing part comprises a mixing tank (26) for mixing mud cake, construction fine powder and a pre-configured solidifying agent to form a solidified soil material.

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