Device and method for regenerating filling material by using solid waste

A technology for solid waste and earth filling materials, which is applied in the field of devices that utilize solid waste to regenerate earth filling materials, can solve problems such as difficult mechanization and automatic production, lack of on-site applicability, and complicated processes, and achieve low cost, Good effect, short cycle effect

Pending Publication Date: 2022-02-18
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] 3. The process of the above-mentioned technical scheme is relatively complicated, the process is cumbersome, and it is difficult to realize mechanization and automatic production, and it does not have on-site applicability

Method used

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  • Device and method for regenerating filling material by using solid waste
  • Device and method for regenerating filling material by using solid waste

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Embodiment Construction

[0038] see Figure 1~2, in an embodiment of the present invention, a device and method for utilizing solid waste to regenerate earth filling materials, including a sludge pretreatment bin, the lower end of the sludge pretreatment bin is connected with a filter press dewatering system through a pipeline, and the filter press dewatering system is connected through a pipeline There is a mixing and stirring system, the left end of the mixing and stirring system is connected to the regeneration collecting bin 24 through the discharge pipe 18, and the lower end of the mixing chamber is connected to the discharging system;

[0039] The upper end of the sludge pretreatment chamber is fixedly connected with a mud inlet 2, and the lower end of the mud inlet 2 is located in the sludge pretreatment chamber and is fixedly connected with a vibrating grid sieve plate 3, and the inner wall of the sludge pretreatment chamber is fixedly connected with a ring wall filter 27 , the aperture of the...

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Abstract

The invention discloses a device and method for regenerating a filling material by using solid waste, and belongs to the technical field of sludge solidification treatment.The device comprises a sludge pretreatment bin, the lower end of the sludge pretreatment bin is connected with a filter-pressing dehydration system through a pipeline, and the filter-pressing dehydration system is connected with a mixing and stirring system through a pipeline; and the left end of the mixing and stirring system is connected with a regenerated aggregate bin through a discharge pipe. When the device is used, the construction waste recycled aggregate is used as a framework material, the household waste incineration slag recycled micro powder is used as a cementing material, and a sludge mixing and curing process for flocculating and then curing the sludge and a matched device are adopted, so that cooperative treatment and resource utilization of the dredged sludge, the waste incineration slag recycled micro powder and the construction waste recycled aggregate can be achieved, and the solidified soil meeting the requirements of engineering filling materials is produced; and the treatment method is low in cost, short in solidification period, large in sludge treatment amount, remarkable in solidification effect and good in durability.

Description

technical field [0001] The invention relates to the technical field of sludge solidification treatment, in particular to a device and method for regenerating earth filling materials from solid waste. Background technique [0002] It is estimated that the amount of dredged silt cleaned up in the Pearl River Delta region alone is as high as 80 million cubic meters every year. Dredged silt cannot be directly used as engineering fill, and usually requires site placement or silt dumping, resulting in problems such as occupying cultivated land and affecting the environment and ecology. Dredged silt is mainly composed of clay particles with high water content, difficult dehydration, low strength, poor soil mechanical properties, and contains a large amount of organic matter and heavy metals. [0003] Municipal solid waste incineration has been paid more and more attention due to its remarkable reduction effect. The annual production of domestic solid waste incineration slag in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02C02F11/02C02F11/14C02F11/122C04B18/04C04B18/16C04B20/02
CPCC04B28/021C04B18/0436C04B18/16C02F11/02C02F11/14C02F11/122C04B20/02Y02W30/91
Inventor 徐辉吕铭洲李升智王璐楠
Owner ZHEJIANG SCI-TECH UNIV
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