CN219151124U

CN219151124U - Complex construction waste treatment system

Info

Publication number: CN219151124U
Application number: CN202223407912.XU
Authority: CN
Inventors: 丁星; 王怀昆; 陈鹤; 杨成林
Original assignee: Shanghai Shan Mei Environmental Protection Equipment Ltd By Share Ltd
Current assignee: Shanghai Shan Mei Environmental Protection Equipment Ltd By Share Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-09
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a complex construction waste treatment system, wherein feeding materials enter first screening equipment, the upper part of a screen of the first screening equipment enters a first jaw crusher, the lower part of the screen and the discharging materials of the first jaw crusher are combined and enter second screening equipment, the discharging materials of the second screening equipment comprise first large-particle upper discharging materials, second middle-particle upper discharging materials and third fine-particle lower discharging materials, the first large-particle upper discharging materials are conveyed into the second crusher to carry out secondary crushing, the second middle-particle lower discharging materials are conveyed into water flotation equipment, the discharging materials of the second crusher are screened out lower discharging materials of the third vibrating screen and upper discharging materials of the third vibrating screen through a third vibrating screen, the upper discharging materials of the third vibrating screen are conveyed into water flotation equipment, the precipitated discharging materials after impurity removal of the water flotation equipment enter the third crusher after dehydration of a dewatering screen, and the crushed discharging materials of the third crusher are subjected to product classification. The utility model adopts the semi-wet semi-dry method to treat the construction waste, thereby realizing the optimal configuration of classifying, sorting and washing the materials.

Description

Complex construction waste treatment system

Technical Field

The utility model relates to the field of building rubbish disposal systems, in particular to a complex building rubbish disposal system.

Background

The process of disposing and recycling the construction waste in China has been for a period of time, but aiming at complex construction waste disposal, the process is simple and has single function, the change of the design method of the regeneration process is not fully considered, the equipment such as crushing, screening and conveying of different crushed natural stones is only reasonably combined together as much as possible, and the artificial or mechanical equipment is arranged on a proper link to remove impurities, so that the purity of the regenerated material is low, the quality of the regenerated material is unstable, the recycling rate is low, the economical efficiency is poor, and the like.

Disclosure of Invention

The utility model aims to provide a construction waste treatment system aiming at complex conditions, which solves the problems that the construction waste treatment system in the prior art has single function, can not treat complex construction waste comprehensively, efficiently and high-quality, and needs optimization in economical efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a complicated construction waste processing system, includes the feeding machine, the feeding machine feeds and gets into first screening plant, first screening plant's big material on the sieve gets into first jaw breaker, the small material under the sieve with first jaw breaker's ejection of compact merges and gets into second screening plant, second screening plant's ejection of compact includes big granule on the sieve ejection of compact, second well granule on the sieve ejection of compact and third fine granule under the sieve ejection of compact, first big granule on the sieve ejection of compact is carried and is got into the second breaker and carry out the secondary crushing, second well granule under the sieve ejection of compact is carried and is got into water flotation plant, third vibrating screen on the ejection of compact is gone out through third vibrating screen screening ejection of compact and third vibrating screen, third vibrating screen on the ejection of compact is carried and is got into water flotation plant carries out wet process water, the sediment ejection of compact after the water flotation plant removes miscellaneous enters into the third breaker after dewatering, the crushing ejection of compact of third breaker carries out the product classification through the screening of flotation screen.

Preferably, the feeder is a heavy plate feeder.

Preferably, the first screening device is a feed grate screen.

Preferably, the second screening device is a double-layer composite screen, a first layer of the double-layer composite screen is a fixed screen and is of a full-bar structure and is used for screening large materials larger than 60mm, and a second layer of the double-layer composite screen is a relaxation screen and is a polyurethane screen and is used for screening slag soil of 0-15mm and medium and large materials of 15-60 mm.

Preferably, a first magnetic separation device is arranged between the first jaw crusher and the second screening device.

Preferably, a manual sorting procedure and a drum type winnowing machine are arranged between the second screening equipment and the second crusher, and a second magnetic separation equipment is arranged between the second screening equipment and the third vibrating screen.

Preferably, the third vibrating screen is a double-layer relaxation screen, the double-layer relaxation screen screens materials into materials of 0-5mm,5-60mm and more than 60mm, the materials more than 60mm return to the second crusher through a return belt conveyor to form closed circulation crushing, and the materials of 5-60mm are conveyed into the water flotation equipment.

Preferably, the second crusher is a first impact crusher, and the third crusher is a second impact crusher.

Preferably, a third magnetic separation device is arranged between the third crusher and the finished product screen.

Preferably, the finished product screen comprises four layers of screens, five specifications of materials of 0-5mm,5-10mm,10-20mm,20-31.5mm and more than 31.5mm are respectively screened out, and the materials of more than 31.5mm are returned to the third crusher to form closed circulation.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model adopts the semi-wet semi-dry method to treat decoration garbage, thereby avoiding the problems of large water consumption in the pure wet production, large investment in a sewage treatment system, large electric quantity in the pure dry production and large investment in dust removal equipment, and being most economical and environment-friendly;

2. the dry method and the wet method of the utility model are not mutually interfered, and the dry method and the wet method are separated, thereby avoiding cross contamination;

3. the materials entering the fine crushing crusher are almost clean materials, so that the advanced idea of front-end sorting and rear-end crushing is realized;

4. the utility model realizes the optimal configuration of classifying, sorting and washing the materials and ensures the quality of the finished products to the maximum extent.

5. The complex construction waste treatment system is suitable for treatment of most construction waste raw materials and has high universality.

Drawings

FIG. 1 is a schematic block diagram of a flow of the present utility model;

in the figure: 1. heavy plate feeder 2, grid bar screen, 3, jaw breaker, 4, double-deck compound screen, 5, the washing flotation machine, 6, dewatering screen, 7, second impact breaker, 8 finished product screen, 9, third impact breaker, 10, de-ironing separator, 11, drum winnowing machine, 12, relaxation screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, a complex construction waste treatment system comprises a feeder, wherein the feeder feeds into a first screening device, large materials on a screen of the first screening device enter a first jaw crusher, small materials below the screen and discharged materials of the first jaw crusher are combined and enter a second screening device, the discharged materials of the second screening device comprise large-particle screen upper discharged materials, medium-particle screen upper discharged materials and third fine-particle screen lower discharged materials, the first large-particle screen upper discharged materials enter the second crusher to carry out secondary crushing, the medium-particle screen lower discharged materials enter a water flotation device, the discharged materials of the second crusher are screened out by a third vibrating screen and are discharged by the third vibrating screen, the discharged materials on the third vibrating screen are conveyed into the water flotation device to carry out wet-process water flotation, the precipitated discharged materials after impurity removal of the water flotation device enter the third crusher after dehydration of a dewatering screen, and the crushed discharged materials of the third crusher are screened out product classification.

The utility model adopts the semi-wet semi-dry method to treat decoration garbage, thereby avoiding the problems of large water consumption in the pure wet production, large investment in a sewage treatment system, large electric quantity in the pure dry production and large investment in dust removal equipment, and being most economical and environment-friendly; meanwhile, the dry method and the wet method of the embodiment are not mutually interfered, and the dry method and the wet method are separated, so that cross contamination is avoided; in the embodiment, the materials entering the fine crusher are almost clean materials, so that the advanced concepts of front-end sorting and rear-end crushing are realized, and the optimized configuration of sorting, washing and selecting the materials in a grading manner is realized, so that the quality of the finished product is ensured to the greatest extent. The complex construction waste treatment system is suitable for treatment of most construction waste raw materials and has high universality.

Example 2

As shown in fig. 1, the utility model discloses a practical complex construction waste treatment process, which mainly comprises a heavy plate feeder 1, a grate screen 2, a jaw crusher 3, a double-layer composite screen 4, a water washing flotation machine 5, a dewatering screen 6, a second impact crusher 7, a relaxation screen 12, a finished product screen 8, manual sorting, a third impact crusher 9, a self-discharging iron remover 10, a drum winnowing machine 11, a dust removal matching system, a sewage treatment system, a belt conveyor conveying unit and other units and modules.

Description of the process of a complex construction waste treatment system: pouring building rubbish raw materials into a raw material bin through a forklift or a loader, and conveying the raw materials to a double-layer composite screen 4 by a heavy plate feeder 1 arranged under the raw material bin, wherein a grate screen 2 is arranged at the front end of the double-layer composite screen 4, the materials with the diameters larger than 400mm enter a jaw crusher 3 after passing through the grate screen 2, the crushed materials and the materials with diameters smaller than 400mm are converged and enter the double-layer composite screen 4, the double-layer composite screen 4 is of a fixed screen and of a full-bar structure, and the purpose is to separate large-size light materials from the raw materials and convey the light materials to a manual sorting belt through vibration of the screen; manually sorting, namely sorting out large and light materials in large-size materials; the second layer is a relaxation sieve, and adopts a polyurethane screen mesh, so that the raw materials are classified, 0-15mm of dregs are conveyed to a dregs pile through a belt conveyor, 15-60mm of dregs are conveyed to a water washing flotation machine 5 through the belt conveyor, and light matter impurity removal and further soil removal are performed. The big piece of material that is greater than 60mm material and goes into artifical letter sorting gets into drum winnowing machine 11, gets into dedicated second impact breaker 7 of building rubbish after getting rid of light material and breaks, and the material after the breakage is carried double-deck relaxation 12 through the belt feeder, and at the in-process of carrying, self-discharging formula iron remover 10 sucks out the reinforcing bar that second impact breaker 7 peeled off from the material, reaches the purpose that contains the reinforcing bar in getting rid of building rubbish. Classifying the crushed materials of the second impact crusher 7 by the relaxation sieve 12, dividing the crushed materials into 0-5mm,5-60mm and materials larger than 60mm, returning the materials larger than 60mm to the second impact crusher 7 through a return belt conveyor to form closed circulation crushing, merging the materials of 5-60mm with the materials of 15-60mm of the double-layer composite sieve 4 through the belt conveyor, and then feeding the materials into the water washing flotation machine 5, and further removing light substances from the materials; the 0-5mm material is conveyed by a belt conveyor to directly output a finished product, the material subjected to impurity removal by a water washing flotation machine 5 is dehydrated by a dewatering screen 6 and then enters a third impact crusher 9, the crushed material is conveyed by the belt conveyor to a finished product screen 8 for screening, and a de-ironing separator 10 is arranged behind the conveying belt conveyor to further remove magnetic metals in the material. The materials with the specifications of 0-5mm,5-10mm,10-20mm,20-31.5mm and the like are sieved out, and the materials with the specifications of more than 31.5mm are returned to the third impact crusher 9 through a belt conveyor to form closed circulation. Dust removal system collects the dust that the scene produced of fitment rubbish treatment, and sewage treatment system handles the sewage that the scene produced of fitment rubbish treatment, finally realizes the pollution-free processing of fitment rubbish.

The double-layer composite screen 4 is adopted, so that the frequency of blocking the screen is reduced, the production line shutdown and the production stopping frequency are reduced, and the heavy plate feeder is adopted for feeding, so that the problem of blocking caused by high mud content of materials is avoided; the decoration garbage is treated by adopting the semi-dry method, so that the problems of high water consumption in the pure wet method production, high investment in a sewage treatment system, high electric quantity in the pure dry method production and high investment in dust removal equipment are avoided, and the method is economical and environment-friendly; the dry method and the wet method are not mutually interfered, and the dry method and the wet method are separated, so that cross contamination is avoided; the integrated positive and negative pressure winnowing is adopted, so that the investment of single winnowing equipment is reduced, the field is saved, and the investment is reduced; the materials entering the fine crushing machine are almost clean materials, so that the advanced idea of front-end sorting and rear-end crushing is realized; the sorting and washing of the materials are realized, and the quality of the finished products is ensured to the maximum extent. The embodiment is a complex construction waste treatment method, is suitable for treatment of most construction waste raw materials, and has wide practicability.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A complex construction waste treatment system, characterized in that: the device comprises a feeding machine, wherein feeding of the feeding machine enters first screening equipment, large materials on a screen of the first screening equipment enter a first jaw crusher, small materials below the screen and discharged materials of the first jaw crusher are combined and enter second screening equipment, discharged materials of the second screening equipment comprise first large-particle screen upper discharged materials, second medium-particle screen upper discharged materials and third fine-particle screen lower discharged materials, the first large-particle screen upper discharged materials are conveyed to enter the second crusher to be subjected to secondary crushing, the second medium-particle screen lower discharged materials are conveyed to enter water flotation equipment, discharged materials of the second crusher are screened out by a third vibrating screen and discharged materials of the third vibrating screen upper discharged materials, discharged materials of the third vibrating screen upper discharged materials enter the water flotation equipment to be subjected to wet water flotation, precipitated discharged materials after impurity removal of the water flotation equipment enter the third crusher after dehydration by a dewatering screen, and crushed discharged materials of the third crusher are subjected to product classification by screening of a finished product screen.

2. A complex construction waste disposal system according to claim 1, wherein: the feeding machine is a heavy plate feeding machine.

3. A complex construction waste disposal system according to claim 1, wherein: the first screening device is a feed grate screen.

4. A complex construction waste disposal system according to claim 1, wherein: the second screening device is a double-layer composite screen, a first layer of the double-layer composite screen is a fixed screen and is of a full-bar structure and is used for screening large materials larger than 60mm, and a second layer of the double-layer composite screen is a relaxation screen and is a polyurethane screen and is used for screening slag soil of 0-15mm and medium and large materials of 15-60 mm.

5. A complex construction waste disposal system according to claim 1, wherein: a first magnetic separation device is arranged between the first jaw crusher and the second screening device.

6. A complex construction waste disposal system according to claim 1, wherein: the second screening equipment with set up artifical letter sorting process and drum type selection by winnowing machine between the second breaker, the second screening equipment with set up second magnetic separation equipment between the third shale shaker.

7. A complex construction waste disposal system according to claim 1, wherein: the third vibrating screen is a double-layer relaxation screen, the double-layer relaxation screen screens materials into materials with the thickness of 0-5mm,5-60mm and more than 60mm, the materials with the thickness of more than 60mm return to the second crusher through a return belt conveyor to form closed circulation crushing, and the materials with the thickness of 5-60mm are conveyed into the water flotation equipment.

8. A complex construction waste disposal system according to claim 1, wherein: the second crusher is a first impact crusher, and the third crusher is a second impact crusher.

9. A complex construction waste disposal system according to claim 1, wherein: and a third magnetic separation device is arranged between the third crusher and the finished product screen.

10. A complex construction waste disposal system according to claim 1, wherein: the finished product screen comprises four layers of screens, five specifications of materials with the dimensions of 0-5mm,5-10mm,10-20mm,20-31.5mm and more than 31.5mm are respectively screened out, and the materials with the dimensions of more than 31.5mm are returned to the third crusher to form closed circulation.