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Waste magnetic suspension liquid processing method and device

A treatment method and technology of treatment device, which are applied in separation methods, chemical instruments and methods, multi-stage treatment of water/sewage, etc., can solve the problem of no mature solution for magnetic particle inspection waste magnetic suspension for production, etc., and achieve economical reliability and device Reasonable process and the effect of improving processing capacity

Inactive Publication Date: 2005-01-19
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The object of the present invention is to provide a waste magnetic suspension treatment method and its device to overcome the technical problem that the current steel pipe production enterprises do not have a mature solution for the treatment of the waste magnetic suspension used in magnetic particle flaw detection.

Method used

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  • Waste magnetic suspension liquid processing method and device
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Embodiment Construction

[0033] The following is based on figure 1 and figure 2 , a preferred embodiment of the present invention is given and described in detail, so that the structural features, functions and characteristics of the present invention can be better understood.

[0034] Magnetic suspension treatment coagulant

[0035] Through laboratory and on-site drug screening, TX-306A and TX-306B are selected for compound use. The specific introduction is as follows:

[0036] 1. TX-306B product introduction

[0037] This product is a newly developed magnetic suspension treatment agent, which is a water-soluble linear polymer coagulant, and can be used as a coagulant aid, rib retention agent, sludge dewatering agent, coagulation and sedimentation agent, etc.

[0038] When this product is added to the water in which turbid particles are suspended, it can promote the rapid coagulation and sedimentation of suspended particles through the neutralization of electricity and the adsorption bridging eff...

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Abstract

The invention discloses a waste magnetic suspension liquid processing method and device, wherein the method comprises four steps of coagulation, pre-filming, filtering and backwashing. The device comprises a raw liquid tank, a coagulating bath in conduct connection with the raw liquid tank through a sewage water pump and valves, a pre-filming tank in conduct connection with the coagulating bath through valves, a filter in conduct connection with the pre-filming bath through clean pumps and valves, and a pressure control apparatus for controlling the pressure difference between the entry pressure and outlet pressure of the filter.

Description

technical field [0001] The invention relates to a waste magnetic suspension treatment method and a device thereof, in particular to a waste magnetic suspension treatment method and a device using adsorption pre-coating membrane filtration technology. Background technique [0002] In magnetic particle testing, magnetic suspension plays a key role in the display of defects, and its dosage is also very large. The magnetic suspension is made by mixing fluorescent magnetic powder and dispersant in a certain proportion, and the fluorescent magnetic powder is made of magnetic iron powder coated with a layer of fluorescent pigment. [0003] At present, the waste magnetic suspension is usually treated together with other industrial wastewater. There have been incidents where the waste magnetic suspension blocked a large area of ​​the filter, affecting the treatment of other industrial wastewater and causing serious environmental pollution. In order to reduce environmental pollution,...

Claims

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Application Information

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IPC IPC(8): B01D29/66C02F9/02C02F9/04
Inventor 李建新杨慧
Owner BAOSHAN IRON & STEEL CO LTD
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