Classification method for waste concrete block treatment

A technology of waste concrete blocks and classification methods, applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problem of limiting the use range of recycled aggregates, reducing the practicability of recycled aggregates, and poor quality of recycled aggregates and other issues, to achieve the effect of protecting the original quality, improving the use value and protecting the environment

Inactive Publication Date: 2020-10-30
汉江城建集团有限公司
View PDF5 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a sorting method for waste concrete blocks, which solves the problem that although the traditional crushing method can classify waste concrete blocks into recycled

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0026] The technical solution of this patent will be described in further detail below in conjunction with specific embodiments.

[0027] The present invention provides a technical solution: a classification method for the treatment of waste concrete blocks, including the following steps:

[0028] S1. Pretreatment: pretreatment of the discarded concrete blocks, and air-drying the pretreated concrete blocks.

[0029] S2. Removal of impurities: load the pretreated concrete block into the crusher for primary crushing and secondary crushing. During the crushing process, remove the steel and glass debris.

[0030] S3. Aggregate strengthening:

[0031] a. When crushing air-dried waste concrete blocks, microwave the waste concrete blocks in advance, the irradiation height is 1-1.5m, and the irradiation time is 3-6h.

[0032] b. After microwave irradiation, crush the treated waste concrete block. After the primary crushing and secondary crushing, the crushed aggregate is immersed in a dry coolin...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a classification method for waste concrete block treatment. The invention belongs to the technical field of waste concrete block treatment. The method comprises that waste concrete blocks are pretreated, after air drying, a microwave emission device is used for heating the waste concrete blocks, after heating, the waste concrete blocks are crushed for multiple times by adopting a crusher, the recycled aggregate is subjected to classification treatment, the recycled coarse aggregate is used in new concrete to play a role of a skeleton, and the recycled fine aggregate isused as mortar sand or a filling material of a gel feeding material to treat waste concrete blocks and then classify the waste concrete blocks for use, so that exploited stones can be effectively reduced, the environment is protected and the stones are repeatedly utilized. The method is a eco-friendly, economic and sustainable generation mode, the recycled aggregate is classified in a particle size mode, the application range of the recycled aggregate can be considered according to the classification standard, the recycled aggregate can be used in a more targeted mode, the difference of different regions is met, and therefore workers can use the recycled aggregate more conveniently.

Description

technical field [0001] The invention belongs to the technical field of waste concrete block processing, and in particular relates to a classification method for waste concrete block processing. Background technique [0002] With the renewal, transformation and construction of urban public and civil buildings and municipal facilities, a large number of old buildings have been demolished during the construction process, resulting in a large amount of construction waste. At present, my country's construction waste has accounted for 30-40% of the weight of urban waste. %, according to the relevant data, after a rough estimate of the loss of construction materials for buildings such as brick-concrete structures, cast-in-place structures, and frame structures, only 500-600 tons of construction waste will be produced during the construction process of each square meter of buildings. According to this calculation, only 4,000 tons of construction waste generated and discharged during c...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C04B20/02C04B18/16
CPCC04B18/167C04B20/02C04B20/026Y02W30/91
Inventor 姚忠谢峰王晓冬
Owner 汉江城建集团有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products