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Method for synergistically treating waste plastics and sludge

A technology for sludge treatment and waste plastics, applied in sludge treatment, water/sludge/sewage treatment, dehydration/drying/concentrated sludge treatment, etc., can solve the problems of waste plastics that cannot be properly treated and sludge drying energy utilization Low energy efficiency and other issues, to achieve the effect of solving energy shortages

Inactive Publication Date: 2022-01-25
深圳市泽源能源股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiment of this application provides a method for cooperating with sludge treatment of waste plastics, which effectively solves the problems of low utilization rate of sludge drying energy and waste plastics that cannot be properly treated

Method used

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  • Method for synergistically treating waste plastics and sludge
  • Method for synergistically treating waste plastics and sludge

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Embodiment Construction

[0026] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0027] In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present appl...

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Abstract

The embodiment of the invention discloses a method for synergistically treating waste plastics and sludge. The method comprises the following steps: S1, mixing sludge with an acid-base regulator to obtain first mixed slurry; S2, mixing the first mixed slurry with a flocculating agent to obtain second mixed slurry; S3, mixing the second mixed slurry with a modified stabilizer to obtain third mixed slurry; S4, carrying out deep dehydration on the third mixed slurry to obtain a mud cake; S5, sequentially crushing and drying the sludge cake to obtain sludge powder, cutting up the waste plastics, and obtaining broken plastics; and S6, mixing the crushed plastic and the sludge powder according to a ratio, and carrying out granulation treatment. According to the invention, resource utilization and energy utilization of the waste plastics are realized, high-calorific-value environment-friendly granular fuel is obtained and can replace fossil fuel to enter a biomass boiler for combustion, and the problem of energy shortage can be effectively solved while the waste plastics are properly treated.

Description

technical field [0001] The present application relates to the technical field of waste plastics treatment, in particular to a method for cooperating sludge treatment of waste plastics. Background technique [0002] my country's plastics industry is one of the pillar industries of the national economy and has entered the ranks of the world's plastic powers. At present, most of the plastics used by people are produced by petrochemical products, and about 75% of the plastics are petroleum-based plastics, and about 20% of recycled plastics are basically made from petroleum-based plastics. [0003] At present, the treatment methods of plastic waste mainly include high-temperature incineration, landfill and recycling. Waste incineration will release a large amount of harmful gases and cause secondary pollution; landfill will occupy a large amount of arable land, which will exacerbate the crisis of land resource scarcity. At the same time, a large amount of waste will be placed un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/46C02F11/00C02F11/14C02F11/12B29B17/00B29B17/04
CPCC10L5/46C02F11/00C02F11/14C02F11/12B29B17/00B29B17/04Y02E50/10Y02E50/30Y02W30/52Y02W30/62
Inventor 陈沛波欧志明曾秀仪岳汉王嘉颖黄嘉伟
Owner 深圳市泽源能源股份有限公司
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