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Environment-friendly treatment method for recycling pollution-deactivated filter materials

A technology of environmental protection treatment and filter material regeneration, which is applied in the direction of filtration treatment, filter regeneration, water/sewage treatment, etc., can solve the problems of high treatment costs, save solid waste treatment costs, improve enterprise economic benefits, and save purchase costs Effect

Inactive Publication Date: 2019-12-31
田大志
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Some of the waste filter materials in industrial production are listed as hazardous solid waste by the environmental protection department, and the treatment cost is huge

Method used

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  • Environment-friendly treatment method for recycling pollution-deactivated filter materials

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Embodiment Construction

[0017] see figure 1 , an environmental protection treatment method for regeneration and reuse of polluted and invalid filter materials, the steps are as follows:

[0018] (1) Feeding, feeding equipment, such as a belt conveyor, transports the filter material to be processed.

[0019] (2) Filter material chemical treatment unit (medicine solution stirring reaction device, adding medicine to water according to the ratio to form a chemical solution), put the filter material into the chemical solution at a temperature of 70-80 °C. For example, taking the polluted and ineffective filter material produced in the oilfield sewage treatment system as an example, the polluted filter material is put into the compound agent of oleate XY-06, which is used for oil recovery, with a concentration of 2% and a temperature of 70- In the medicament solution at 80°C, soak and stir to remove oil stains and soft dirt on the surface of the filter material, and finally send it to the vibration washin...

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Abstract

The invention relates to the field of sewage filtration treatment, in particular to an environment-friendly treatment method for recycling pollution-deactivated filter materials. According to the environment-friendly treatment method for recycling pollution-deactivated filter materials, waste filter materials, deactivated because of pollution, generated in sewage filtering process are regeneratedand reutilized, solid wastes (a part of the filter materials are hazardous waste) are eliminated, a large amount of filter material purchasing cost is saved, and meanwhile solid waste treatment cost is also saved. The nvironment-friendly treatment method comprises the following steps: (1) filter material chemical agent treatment; (2) filter material vibration washing treatment unit; and (3) treatment in a filter material particle size screening treatment, wherein feeding a filter material obtained in the step (2) into a particle size screening treatment unit, screening the filter material according to a set particle size standard, drying and packaging. The environment-friendly treatment method is invented aiming at the characteristics of different pollutants, and first-stage treatment by utilizing a medicament is adopted; a mechanical device is adopted for separating solid attachments, and second-stage treatment is carried out; the filter material subjected to two-stage treatment is screened through a matched device, and the requirement of the process for the particle size of the filter material is met.

Description

technical field [0001] The invention relates to the field of sewage filtration treatment, that is, an environmental protection treatment method for regeneration and reuse of polluted and invalid filter materials. Regenerate and reuse the polluted and invalid waste filter materials generated during the sewage filtration process, eliminate solid waste (some filter materials are listed as hazardous waste), save a lot of filter material purchase costs and also save solid waste treatment costs. Background technique [0002] In the prior art, during the operation of the sewage (including urban domestic sewage and industrial and mining sewage, etc.) filtration treatment device, the filter material in the filter tank will be polluted by the pollutants in the sewage. After a period of operation, these are absorbed by the filter material Contaminants are typically removed from the canister by the sewage canister backwash process. However, with the extension of the operation period of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D41/02C02F1/00
CPCB01D41/02C02F1/001C02F2303/16
Inventor 田大志
Owner 田大志
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