CN217289744U - Foaming concrete screens out equipment among building rubbish - Google Patents
Foaming concrete screens out equipment among building rubbish Download PDFInfo
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- CN217289744U CN217289744U CN202221207340.8U CN202221207340U CN217289744U CN 217289744 U CN217289744 U CN 217289744U CN 202221207340 U CN202221207340 U CN 202221207340U CN 217289744 U CN217289744 U CN 217289744U
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- screening
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- breaker
- concrete
- building rubbish
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- 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
Abstract
The utility model belongs to the technical field of building rubbish classification, a foaming concrete screening method and screening equipment among building rubbish is related to. The equipment for screening the foamed concrete in the construction waste is an improvement on the traditional construction waste recycling method, and is characterized in that wood, plastic blocks, foamed concrete and the like in the construction waste recycled aggregate are firstly taken as light substances and further the foamed concrete in the output light substances is removed to obtain combustible light substance fuel. The light substances without the foamed concrete can be used for incineration power generation and other purposes, so that the incineration efficiency of the combustible light substances is improved. This kind of foaming concrete sieves except that equipment design is reasonable, regeneration raw materials utilization ratio is high, the advantage that the product purity is high among the building rubbish, promotes building rubbish regeneration aggregate value, has realized the maximize utilization to the resource.
Description
Technical Field
The utility model belongs to the technical field of building rubbish classification, a foaming concrete screening method and screening equipment among building rubbish is related to.
Background
Along with the continuous acceleration of the urbanization development and the engineering construction in China, a large amount of construction waste and decoration waste are generated, the waste causes certain pollution to the environment, and if the waste cannot be well recycled, the waste of resources can be caused. In the fourteen-five period, in order to achieve the goals of carbon peak reaching in 2030 and carbon neutralization in 2060, the recycling of the construction waste and the decoration waste can effectively reduce the development of mineral resources and promote the recycling and sustainable development of waste resources.
In the traditional construction waste recycling process flow, house demolition waste and decoration waste are used as important components of construction waste. The construction waste mainly comprises metal, tiles, concrete, foamed concrete, plastics, wood and the like generated in the dismantling process.
The existing classification of the construction waste is mainly classified according to the weight of the waste, and materials with large specific gravity such as metal, bricks and tiles and concrete can be used for recycling aggregate and used for manufacturing regenerated bricks or pavement base layers. Light materials such as plastics and wood with light specific gravity are often made into combustible fuel for burning power generation or other purposes. However, the specific gravity of the foamed concrete in the construction waste is light, and the foamed concrete can be mixed in the sorted light materials during sorting, and due to poor combustibility of the foamed concrete, the mixing of the foamed concrete greatly reduces the utilization efficiency and the recycling value of the light material recycled materials. In view of this, a solution is needed to solve the problem that foamed concrete in construction waste is not easy to classify.
SUMMERY OF THE UTILITY MODEL
For overcoming the defects in the prior art, the utility model provides a method and equipment for screening out foaming concrete in construction waste.
In order to realize the purpose, the equipment for screening the foaming concrete in the building waste comprises a crushing device, a specific gravity screening device, an extrusion crushing device and a screen screening device, wherein an aggregate outlet is formed in the crushing device, the specific gravity screening device is connected with an aggregate outlet of the crushing device, a heavy material discharge port, a screen underflow discharge port and a light material discharge port are formed in the specific gravity screening device, the extrusion crushing device is connected with a light material outlet, a material outlet is formed in the extrusion crushing device, and the screen screening device is connected with a material outlet of the extrusion crushing device.
Further, still include the magnetic separation device, the magnetic separation device sets up between breaker, proportion screening plant, and the aggregate of the follow breaker ejection of compact gets into proportion screening plant after the magnetic separation of magnetic separation device earlier.
Further, the extrusion crushing device is a double-roller crushing device.
Further, the screen screening device is a relaxation screen.
It is right by the aforesaid the utility model discloses a description compares with prior art, and this kind of foaming concrete sieves equipment among construction waste is the improvement to traditional construction waste recycling method, distinguishes as the light material earlier through wood, plastic block, the foaming concrete etc. with in the construction waste regeneration aggregate to further reject the foaming concrete in the light material of output, obtain combustible light material fuel. The light substances without the foamed concrete can be used for incineration power generation and other purposes, so that the incineration efficiency of the combustible light substances is improved. The foaming concrete screening device in the construction waste has the advantages of reasonable design, high utilization rate of the recycled raw materials and high purity of the produced products, promotes the value of the recycled aggregate of the construction waste, and realizes the maximum utilization of resources.
Drawings
FIG. 1 is a flow chart of a method for screening foamed concrete in construction waste.
Fig. 2 is a schematic structural diagram of a device for screening out foamed concrete in construction waste.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1 and 2, the screening equipment for foamed concrete in construction waste comprises a crushing device 1, a first magnetic separation device 2, a specific gravity screening device 3, an extrusion crushing device 4 and a screen screening device 5;
the crushing device 1 is provided with an aggregate outlet 11, the aggregate outlet 11 of the crushing device 1 is connected through a belt conveyor 12, and the magnetic separation device 2 is arranged on the belt conveyor and is used for carrying out magnetic separation on the building garbage aggregates before entering the specific gravity screening device 3;
one end of the belt conveyor 12 is connected with an aggregate outlet 11 of the crushing device 1, the other end of the belt conveyor is connected with a feeding hole 31 of the specific gravity screening device 3 through a vibrating feeder 13, and a heavy material discharging hole 32, a screen underflow discharging hole 33 and a light material discharging hole 34 are formed in the specific gravity screening device 3;
the extrusion crushing device 4 is a crushing device of a double-roller crushing device, the extrusion crushing device 4 is connected with the light material outlet 34 through a belt conveyor 14, the extrusion crushing device 4 performs extrusion crushing treatment on the light material, foamed concrete in the light material is crushed into particles and powder through extrusion, the extrusion crushing device is provided with a material outlet 41, and all materials after extrusion crushing are discharged from the material outlet 41;
the screen mesh screening device 5 is a relaxation screen, the screen mesh screening device 5 is connected with a material outlet of the extrusion crushing device and is used for screening fed light substances, crushed foamed concrete residues and muck are taken as undersize materials to be screened out, and combustible light substance fuel which is deformed or cracked but is not crushed into particles or powder after being extruded is reserved.
Referring to fig. 1 and 2, the working process of the equipment for screening the foamed concrete in the construction waste is as follows:
firstly, crushing the construction waste into uniform construction waste aggregate, wherein the construction waste recycled aggregate is obtained by crushing, screening and other methods of the construction waste through the traditional process flow, the crushing process flow is determined according to the type of the construction waste, and the particle size of the construction waste aggregate crushed by the crushing device 1 is below 80 mm;
the crushed construction waste aggregate is conveyed by a belt conveyor 12, the magnetic separation device 2 is arranged on the belt conveyor 12 and is used for carrying out magnetic separation on the construction waste aggregate before entering the specific gravity screening device 3, so that metal materials such as reinforcing steel bars in the construction waste aggregate are prevented from damaging the specific gravity screen, and metal waste can be collected and utilized;
screening the building waste aggregate by using a screen screening device 5, screening the building waste aggregate into three materials, namely heavy materials, undersize materials and light materials, carrying out secondary magnetic separation on the heavy materials to obtain pure recycled aggregate, and screening the undersize materials to separate into fine sand and linear impurities;
thirdly, the obtained light substances enter an extrusion crushing device 4 for extrusion treatment, a pair-roller crushing device is used for extrusion crushing treatment of the light substances, the foamed concrete in the light substances is crushed into particles and powder by extrusion, the particle size of the crushed particles or powder is less than 10mm, the actual condition of the particle size of the powder is set according to the process requirement, the rest light substances such as wood, plastic, textile and the like are extruded and deformed or cracked to be not crushed into particles and powder, and the extruded and crushed materials are all discharged from a material outlet 41;
and step four, screening the crushed light substances by the screen screening device 5 according to the particle size, wherein the oversize is combustible light substances for screening out the foamed concrete, and the undersize is particles or powder containing crushed slag, dregs and the like of the foamed concrete.
The utility model discloses a foaming concrete sieve removes equipment among building rubbish, be the improvement to traditional building rubbish method of recycling, through wood with building rubbish regeneration aggregate, the plastic mass, light material such as foaming concrete is distinguished out, and further reject the foaming concrete in the light material of output, obtain combustible light material fuel, thereby it promotes combustible light material incineration efficiency to be used for burning uses such as electricity generation, this kind of foaming concrete sieve removes equipment design is reasonable among the building rubbish, the regeneration raw materials high-usage, the advantage that the product purity is high, it worth to promote building rubbish regeneration aggregate, the maximize utilization to the resource has been realized.
The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (4)
1. The utility model provides a foaming concrete sieves equipment that removes among building rubbish which characterized in that: including breaker, proportion screening plant, extrusion breaker, screen cloth screening plant, be equipped with the aggregate export on the breaker, proportion screening plant and breaker's aggregate exit linkage, be equipped with heavy material discharge gate, screen underflow discharge gate and light material discharge gate on the proportion screening plant, extrusion breaker and light material exit linkage, be equipped with the material export on the extrusion breaker, screen cloth screening plant and extrusion breaker's material exit linkage.
2. The apparatus for screening out foaming concrete in construction waste as claimed in claim 1, wherein: still include the magnetic separation device, the magnetic separation device sets up between breaker, proportion screening plant, and the aggregate of the follow breaker ejection of compact gets into proportion screening plant after the magnetic separation of magnetic separation device earlier.
3. The apparatus for screening foamed concrete in construction waste according to claim 1, characterized in that: the extrusion crushing device is a double-roller crushing device.
4. The apparatus for screening out foaming concrete in construction waste according to claim 1, characterized in that: the screen mesh screening device is a relaxation screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221207340.8U CN217289744U (en) | 2022-05-18 | 2022-05-18 | Foaming concrete screens out equipment among building rubbish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221207340.8U CN217289744U (en) | 2022-05-18 | 2022-05-18 | Foaming concrete screens out equipment among building rubbish |
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| Publication Number | Publication Date |
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| CN217289744U true CN217289744U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221207340.8U Active CN217289744U (en) | 2022-05-18 | 2022-05-18 | Foaming concrete screens out equipment among building rubbish |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769275A (en) * | 2022-05-18 | 2022-07-22 | 福建南方路面机械股份有限公司 | Construction waste foamed concrete screening method and screening equipment |
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2022
- 2022-05-18 CN CN202221207340.8U patent/CN217289744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769275A (en) * | 2022-05-18 | 2022-07-22 | 福建南方路面机械股份有限公司 | Construction waste foamed concrete screening method and screening equipment |
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