CN211099263U - Construction waste block crushing and metal recycling device - Google Patents

Construction waste block crushing and metal recycling device Download PDF

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Publication number
CN211099263U
CN211099263U CN201921529349.9U CN201921529349U CN211099263U CN 211099263 U CN211099263 U CN 211099263U CN 201921529349 U CN201921529349 U CN 201921529349U CN 211099263 U CN211099263 U CN 211099263U
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crushing
metal
conveying
roller
construction waste
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CN201921529349.9U
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Chinese (zh)
Inventor
向阳
邱亚锋
王晗
颜锦凯
徐亮
崔恩豪
吴冰洋
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Powerchina Huadong Engineering Corp Ltd
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Powerchina Huadong Engineering Corp Ltd
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Abstract

The utility model provides a device for crushing blocks of construction waste and sorting and recovering metals, which conveys the construction waste mixed with blocks to the high position of a crushing device, at least part of the block-shaped construction waste contains iron metal, the iron metal is separated from the block-shaped construction waste through one-stage or multi-stage crushing in the crushing device, and the discharge of the crushing device falls into a deironing device below; the iron removing device adopts a conveying device which is conveyed obliquely upwards, a magnet is arranged in the conveying device, and ferrous metal separated from the construction waste is attracted by the magnet, conveyed to a high place by the conveying device and discharged from the high place; the construction waste separated from the ferrous metal slides down to the lower part under the action of gravity and is discharged from the lower part. The utility model discloses can separate the metal from the building rubbish and retrieve through autosegregation, and in the course of treatment of retrieving the metal, make the building rubbish also obtain synchronous processing and easily the lower part is handled it.

Description

Construction waste block crushing and metal recycling device
Technical Field
The utility model relates to a broken and metal recovery unit of building rubbish block is applicable to building rubbish processing technology field.
Background
The construction waste refers to waste generated in the building new construction, reconstruction, extension and demolition processes, and mainly comprises reinforced concrete, cement mortar, masonry, bamboo, wood, steel and glass, ceramic, asphalt, plastic, gypsum and the like generated in decoration and finishing, which can be used as a main structure of a building. The building rubbish that new construction, reconstruction, extension produced is mostly surplus or the intermediate material of materials used in the work progress, like unrestrained concrete coagulation piece, reinforcing bar head, leftover bits, the fitment material of demolising etc. and the quantity is less, and the kind is more. Most of the construction wastes generated by demolition are main structure fragments, such as reinforced concrete blocks, building blocks, bamboo and wood members and the like, wherein a small amount of decorative materials such as glass, plastics and the like are doped in the construction wastes.
Along with the development of urbanization, more and more buildings are pulled out of the ground, and then a lot of building garbage is generated. The direct landfill of the construction waste occupies a large amount of land resources, toxic and harmful substances generated by the landfill of the construction waste can pollute the ecological environment around a landfill site, and simultaneously, recyclable aggregate, metal, glass, plastic, asphalt and other materials in the construction waste are wasted.
The largest quantity of the construction wastes is the construction wastes generated when the main structure of the building is dismantled, such as reinforced concrete blocks, block blocks, plain concrete blocks, mortar blocks and the like, and the construction wastes can be further crushed and screened to be used as recycled aggregates or recycled decorative bricks, but the construction wastes contain reinforcing steel bars, metal embedded parts and the like which are difficult to crush and have higher recycling value. In conventional construction waste recovery, a common breaking hammer or manual breaking is used for primarily breaking reinforced concrete blocks, then metal materials in the reinforced concrete blocks are manually screened out, and the remaining block waste is subjected to next-step breaking and screening processing. The process needs a large amount of manpower, the recovery efficiency is not high, and the metal which is not screened out can cause damage to crushing equipment after entering a conventional crusher, so that the device for crushing the building waste blocks and recovering the metal is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a sorting recovery unit of broken and metal of building rubbish block is provided, can realize autosegregation and retrieve the metal to carry out automatic processing to thoughtlessly having cubic building rubbish. Therefore, the utility model adopts the following technical scheme:
a building rubbish block crushing and metal recovery device is characterized by comprising a conveying device, a crushing device and an iron removal device;
the crushing device comprises a crushing case, wherein a plurality of stages of crushing units are arranged in the crushing case, each stage of crushing unit consists of a driven crushing roller and a driving crushing roller, the interval between the driven crushing roller and the driving crushing roller is a feeding and discharging channel of the group of crushing units, and the feeding and discharging channels of the plurality of stages of crushing units are sequentially connected;
the iron removing device comprises an iron metal upward conveying device, the iron metal upward conveying device is arranged below a discharge port of the crusher case, the iron metal upward conveying device is provided with a magnet to absorb iron metal to be conveyed upwards, and the iron metal discharge position of the iron removing device is at a high position, so that garbage which cannot be absorbed by the magnet is discharged from a low position;
the conveying device comprises a feeding conveying device.
Furthermore, an air separation device is arranged above the crushing device; the winnowing device comprises a winnowing machine case, the winnowing machine case is provided with an air outlet and is connected with an air pipe, the winnowing machine case is provided with a heavy material discharge port and a light material discharge port, and the light material discharge port is arranged on a path blown by air and is far away from the air outlet than the heavy material discharge port; the feeding and conveying device is connected to a feeding port above the winnowing machine box, the crushing device is arranged below a heavy material discharging port, and the heavy material discharging port is aligned to a feeding and discharging channel of the uppermost crushing unit; and a light material conveying device is arranged below the light material outlet.
Furthermore, the winnowing device can be provided with a plurality of discharge ports from near to far along the blowing direction, and is used for further separating wood, plastic and glass materials with different blowing effects from wind, so that the workload of subsequent separation screening is reduced.
Furthermore, the driven crushing roller and the active crushing roller are both provided with a roller barrel and a roller shaft, and the roller barrel of the driven crushing roller is connected with the fixed roller shaft and can passively rotate around the fixed roller shaft; the active crushing roller is fixedly connected with a rotating roller shaft, and the rotating roller shaft is driven to rotate by a speed reducing motor; the fixed roll shaft is fixed on the crushing case by a fixed roll shaft support, the movable roll shaft is fixed on the guide rail by a movable roll shaft support, and then a hydraulic piston and a hydraulic rod are connected, and the movable roll shaft and a support thereof can be pushed to move left and right under the action of hydraulic pressure so as to adjust the distance between the passive crushing roller and the active crushing roller.
Furthermore, according to actual conditions, can set up broken tooth on passive crushing roller and/or the initiative crushing roller, utilize the mechanical action of broken tooth to cut, crush the building rubbish block, also can not set up broken tooth, utilize the crushing roller crushing building rubbish block on plain noodles.
Furthermore, the iron metal upward conveying device adopts an adhesive tape machine, and an iron metal scraper is arranged at the iron metal discharging position. The inclination angle of the belt conveyor is larger than 45 degrees, and the inclination angle can be adjusted according to a field test result, so that the driving energy consumption of the belt conveyor is reduced.
Furthermore, the magnet in the iron removing device can adopt an electromagnet, and can also be changed into a permanent magnet according to requirements so as to reduce the energy consumption of the electromagnet.
Further, a ferrous metal discharging and conveying device is arranged below the ferrous metal discharging position; and a discharging and conveying device for the garbage which can not be attracted by the magnet is arranged at the low-position discharging position. The light material conveying device, the iron metal discharging conveying device and the discharging conveying device at the low-position discharging position convey the separated construction waste to the next crushing or screening treatment process, so that the construction waste is efficiently utilized;
the utility model discloses well conveyor can select for use the sealing-tape machine also can select for use material lifting machine or directly adopt other construction machinery to transport.
The utility model discloses well conveyor, wind selector, breaker and deironing device position are the signal, and in-service use can arrange according to the scene and need adjusting device to arrange position and fixed mode with broken, does not screen light building rubbish needs, can not set up wind selector and light material and carry the sealing-tape machine.
The utility model discloses can separate the metal from the building rubbish and retrieve through autosegregation, and in the course of treatment of retrieving the metal, make the building rubbish also obtain synchronous processing and easily the lower part is handled it. Implement the utility model discloses a method and device reduce screening personnel and drop into, have improved screening separation efficiency. Furthermore, the utility model discloses still have following further effect:
1) the light construction waste such as wood, plastic, glass and the like can be separated through wind preselection, the workload of the construction waste crushing device is reduced, and the construction waste separation effect is ensured.
2) Winnowing and crushing are carried out in a closed case, no raise dust is generated, and environmental pollution is avoided.
3) The crushing device is internally provided with a plurality of groups of crushing units, and the crushing units are arranged in a staggered manner, so that the crushing effect is ensured, and the separating effect of the steel bars and the concrete is improved.
4) The iron removing device which is obliquely arranged makes full use of the influence of magnetic force and gravity on ferrous metal and non-ferrous metal, improves the separation efficiency and reduces the power consumption and energy consumption of the separation equipment.
Drawings
Fig. 1 is a schematic view of the device of the present invention.
Fig. 2 is a diagrammatic view of the fixed and movable rollers of the embodiment of fig. 1.
Fig. 3 is the flow chart of the utility model for the crushing and metal separation of the construction waste blocks.
Detailed Description
Reference is made to the accompanying drawings. The utility model provides a construction waste block crushing and metal recovery device, which consists of a conveying device, a winnowing device, a crushing device and an iron removal device;
the conveying device comprises a feeding belt conveyor 1, a light material conveying belt conveyor 3, an iron metal discharging conveying belt conveyor 6 and a crushed block conveying belt conveyor 7;
the air separation device comprises an air separation case 201, an air outlet 202, an air pipe 203, a heavy material discharge port 204 and a light material discharge port 205; the air outlet is positioned in the air separation case 201, the light material outlet 205 is arranged on the path blown by wind, and the distance from the air outlet 202 is longer than the distance from the heavy material outlet 204 to the air outlet; the feeding belt machine 1 is connected to the winnowing machine case 201, a crushing device is arranged below the heavy material discharge port 204, and the light material conveying belt machine 3 is arranged below the light material discharge port 205.
The crushing device comprises a crushing case 401, a driven crushing roller 402, an active crushing roller 403, a fixed roller shaft support 407, a movable roller shaft support 408, a guide rail 409, a hydraulic piston 410 and a hydraulic rod 411.
A crushing unit is formed by a passive crushing roller 402 and an active crushing roller 403 in the crushing device, the interval between the passive crushing roller 402 and the active crushing roller 403 is the feeding and discharging channel of the group of crushing units, the heavy material discharge port 204 is aligned to the feeding and discharging channel of the uppermost crushing unit, three to five groups of crushing units can be arranged in the crushing machine box of the crushing device according to requirements in a staggered mode, the feeding and discharging channels of the three groups of crushing units are sequentially connected, the crushing effect is increased, the reinforced concrete block with larger volume is further crushed after being bent, and the separation efficiency of long reinforcing steel bars is improved.
The passive crushing roller 402 and the active crushing roller 403 are both provided with a roller barrel 405 and a roller shaft, the surface of the roller barrel 405 is provided with crushing teeth 404, and the roller barrel 405 of the passive crushing roller 402 is connected with the fixed roller shaft and can passively rotate around the fixed roller shaft; the active crushing roller 403 is fixedly connected with a rotating roller shaft, the rotating roller shaft is driven to rotate by a speed reduction motor, the passive crushing roller 402 in one crushing unit is driven by the active crushing roller 403 to irregularly rotate under the action of massive construction waste, the rotating directions of the passive crushing roller 402 and the active crushing roller 403 are opposite, the passive crushing roller 402 and the active crushing roller 403 are sometimes synchronous and sometimes asynchronous, and sometimes constant speed and sometimes non-constant speed are used for increasing the crushing and separating effects.
The fixed roll shaft is fixed on the crusher box 401 by a fixed roll shaft support 407, the movable roll shaft is fixed on a guide rail 409 by a movable roll shaft support 408, and then a hydraulic piston 410 and a hydraulic rod 411 are connected, the movable roll shaft and the support thereof can be pushed to move left and right by hydraulic action, so that the distance between the driven crushing roller 402 and the driving crushing roller 403 can be adjusted, and the crushing effect can be adjusted.
A material baffle 406 is arranged in the crushing case 401 to ensure that the block materials flying away during crushing are crushed by the crushing rollers instead of directly falling to a discharge port along the inner wall of the case without being crushed;
an iron removing device is arranged below the discharge port 412 of the crushing device, the iron removing device comprises an adhesive tape machine 501, the conveying direction of the adhesive tape machine is obliquely upward, a roller is arranged at 502, an electromagnet 503 is arranged at the back of an upper adhesive tape of the adhesive tape machine 501, and a scraper 504 is arranged at a high-level metal discharge part of the adhesive tape machine 501.
The inclination angle of the belt conveyor of the iron removal device is preferably larger than 45 degrees, the belt conveyor is set to be adjustable in inclination angle, and the inclination angle can be adjusted according to a field test result so as to reduce the driving energy consumption of the belt conveyor.
The utility model discloses the work flow of device explains as follows:
a. the construction waste with the particle size smaller than 1200mm is conveyed to the air separation case 201 through the feeding belt conveyor 1 and is discharged by gravity.
b. The air pipe 203 is connected with the air outlet 202, and blows high-pressure air to the building garbage which falls freely, lighter building garbage such as wood, plastic, glass and the like are blown to the light material outlet 205 which is farther away by wind, and heavier building garbage can hardly be blown away by wind and falls freely to the heavy material outlet 204.
c. The construction waste with light weight such as wood, plastic, glass and the like falls to the light material conveying belt machine 3 from the light material discharge port 205, and is conveyed to other equipment by the conveying belt machine 3 for next treatment;
d. heavy construction waste such as reinforced concrete blocks, plain concrete blocks, building blocks and the like falls to the crusher box 401 from the heavy material discharge port 204, the heavy construction waste contains ferrous metals such as reinforcing steel bars and metal embedded parts, after the compression, shearing and bending actions of the crushing rollers 405 and the crushing teeth 404, the blocks are crushed, and the reinforcing steel bars, the metal embedded parts and the like are separated from concrete;
e. the crushed and separated ferrous metal and non-metallic block bodies fall onto an adhesive tape machine 501 of an iron removal device, the adhesive tape machine 501 is obliquely arranged, the adhesive tape machine is driven by a roller 502 to move to a high position, the ferrous metal falling on an upper layer of an adhesive tape of the adhesive tape machine is attracted by an electromagnet and is conveyed and moved to the high position by the adhesive tape machine 501, and the construction waste such as the concrete block bodies, the building blocks and the like which are separated from the ferrous metal such as reinforcing steel bars and are crushed slide down to a low position under the action of gravity;
f. the scraper 504 at the metal discharging position of the iron removing device scrapes the ferrous metal off the belt surface, and the ferrous metal falls to the metal conveying belt conveyor 6 and is conveyed to other equipment by the conveying belt conveyor 6 for further treatment;
g. the construction waste such as the concrete block, the block and the like which is separated from iron metal such as a steel bar and is crushed slides to a lower part under the action of gravity, finally falls to a crushed block conveying belt conveyor 7, and is conveyed to other equipment by the conveying belt conveyor for next treatment;
the above only is the concrete embodiment of the utility model, the technical features of the utility model are not limited thereto, and any person skilled in the relevant field is in the field of the utility model, and the changes or modifications are all covered in the protection scope of the utility model.

Claims (8)

1. A building rubbish block crushing and metal recovery device is characterized by comprising a conveying device, a crushing device and an iron removal device;
the crushing device comprises a crushing case, wherein a plurality of stages of crushing units are arranged in the crushing case, each stage of crushing unit consists of a driven crushing roller and a driving crushing roller, the interval between the driven crushing roller and the driving crushing roller is a feeding and discharging channel of the group of crushing units, and the feeding and discharging channels of the plurality of stages of crushing units are sequentially connected;
the iron removing device comprises an iron metal upward conveying device, the iron metal upward conveying device is arranged below a discharge port of the crusher case, the iron metal upward conveying device is provided with a magnet to absorb iron metal to be conveyed upwards, and the iron metal discharge position of the iron removing device is at a high position, so that garbage which cannot be absorbed by the magnet is discharged from a low position;
the conveying device comprises a feeding conveying device.
2. The construction waste block crushing and metal recovery device as claimed in claim 1, wherein an air separation device is provided above the crushing device;
the winnowing device comprises a winnowing machine case, the winnowing machine case is provided with an air outlet and is connected with an air pipe, the winnowing machine case is provided with a heavy material discharge port and a light material discharge port, and the light material discharge port is arranged on a path blown by air and is far away from the air outlet than the heavy material discharge port; the feeding and conveying device is connected to a feeding port above the winnowing machine box, the crushing device is arranged below a heavy material discharging port, and the heavy material discharging port is aligned to a feeding and discharging channel of the uppermost crushing unit; and a light material conveying device is arranged below the light material outlet.
3. The apparatus for crushing building garbage blocks and recovering metals as claimed in claim 1, wherein the passive crushing roller and the active crushing roller are provided with a roller and a roller shaft, and the roller of the passive crushing roller is connected with the fixed roller shaft and can passively rotate around the fixed roller shaft; the active crushing roller is fixedly connected with a rotating roller shaft, and the rotating roller shaft is driven to rotate by a speed reducing motor; the fixed roll shaft is fixed on the crushing case by a fixed roll shaft support, the movable roll shaft is fixed on the guide rail by a movable roll shaft support, and then a hydraulic piston and a hydraulic rod are connected, and the movable roll shaft and a support thereof can be pushed to move left and right under the action of hydraulic pressure so as to adjust the distance between the passive crushing roller and the active crushing roller.
4. The building garbage block crushing and metal recycling device as claimed in claim 2, wherein the air separation device is provided with a plurality of discharge ports from near to far along the blowing direction for further separating wood, plastic and glass materials with different blowing effects, thereby reducing the workload of subsequent separation and screening.
5. The construction waste block crushing and metal recycling device as claimed in claim 1, wherein the ferrous metal upward conveying device is a rubber belt machine, and a ferrous metal scraper is arranged at the ferrous metal discharging position.
6. The construction waste block crushing and metal recycling device according to claim 1, wherein the ferrous metal upward conveying device employs a belt conveyor, the belt conveyor has an inclination angle greater than 45 ° and is configured to adjust the inclination angle.
7. The construction waste block crushing and metal recycling device according to claim 1, wherein a ferrous metal discharging and conveying device is arranged below the ferrous metal discharging position; and a discharging and conveying device for the garbage which can not be attracted by the magnet is arranged at the low-position discharging position.
8. The construction waste block crushing and metal recovery device as claimed in claim 1, wherein the conveying device is an adhesive tape machine.
CN201921529349.9U 2019-09-16 2019-09-16 Construction waste block crushing and metal recycling device Active CN211099263U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921529349.9U CN211099263U (en) 2019-09-16 2019-09-16 Construction waste block crushing and metal recycling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921529349.9U CN211099263U (en) 2019-09-16 2019-09-16 Construction waste block crushing and metal recycling device

Publications (1)

Publication Number Publication Date
CN211099263U true CN211099263U (en) 2020-07-28

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Application Number Title Priority Date Filing Date
CN201921529349.9U Active CN211099263U (en) 2019-09-16 2019-09-16 Construction waste block crushing and metal recycling device

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CN (1) CN211099263U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110605160A (en) * 2019-09-16 2019-12-24 中国电建集团华东勘测设计研究院有限公司 Device and method for crushing building waste blocks and recovering metals
CN111905898A (en) * 2020-07-30 2020-11-10 李春丽 Preparation device and use method of anti-corrosion coating
CN112121964A (en) * 2020-09-14 2020-12-25 上海建工四建集团有限公司 Equipment for crushing and recycling concrete blocks on construction site

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110605160A (en) * 2019-09-16 2019-12-24 中国电建集团华东勘测设计研究院有限公司 Device and method for crushing building waste blocks and recovering metals
CN111905898A (en) * 2020-07-30 2020-11-10 李春丽 Preparation device and use method of anti-corrosion coating
CN112121964A (en) * 2020-09-14 2020-12-25 上海建工四建集团有限公司 Equipment for crushing and recycling concrete blocks on construction site

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