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A high cod, multi-type waste emulsion demulsification device and demulsification method thereof

A demulsification device and technology for waste emulsion, which are applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc. problems, to achieve the effect of reducing the difficulty of processing, improving economic benefits, and reducing labor intensity

Active Publication Date: 2016-01-13
QINGDAO NEW WORLD ENVIRONMENT PROTECTION CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Emulsion wastewater is a common wastewater in factory production, which is characterized by a wide variety, COD cr and oil content are high, and the treatment is difficult; at present, the commonly used waste emulsion treatment technologies include heating method, salting out method, coagulation method, acidification method, etc. These methods are only suitable for treating a certain kind of waste emulsion; but in actual treatment In the process, there are often many types of emulsions and complex components, such as: emulsion wastewater, electroplating wastewater, landfill leachate, etc., using a single method cannot achieve centralized treatment, and cannot achieve ideal demulsification and COD degradation. Effect

Method used

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  • A high cod, multi-type waste emulsion demulsification device and demulsification method thereof
  • A high cod, multi-type waste emulsion demulsification device and demulsification method thereof

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Embodiment Construction

[0023] Such as figure 1 and figure 2 A high COD, multi-type waste emulsion demulsification device shown includes a heat exchanger 1, and a reactor 2 connected in sequence with the heat exchanger, No. 1 regulating tank 3, and a plate-and-frame filter press 4; The plate and frame filter press 4 is also connected with a sludge tank 5; the plate and frame filter press 4 is also connected with the heat exchanger 1; the inside of the reactor 2 is sequentially provided with an acidification regulating device 6, a FeSO demulsification device 7, Lime neutralization device 8 and flocculation reaction device 9.

[0024] Wherein, the reactor 2 is also connected with a water pump 10 through the heat exchanger 1; a heating device 11 is arranged inside the heat exchanger 1; a dosing device is also arranged inside the acidification regulating device 6; A screw pump is also arranged inside the filter machine 4 .

[0025] A kind of high COD, multi-type waste emulsion demulsification method,...

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Abstract

The invention discloses a high-COD (chemical oxygen demand) and multi-variety waste emulsion breaking device and breaking method. The device comprises a heat exchanger and a reactor, a first adjusting tank and a plate-and-frame filter press which are connected with the heat exchanger in sequence. The method comprises the eight steps of acidizing, emulsion breaking, PH value adjusting, flocculating, adjusting, filter pressing, cooling and constant temperature maintaining. The device and the method have the beneficial effects that centralized treatment of various emulsification wastewater can be achieved; the treatment difficulty of the emulsion wastewater is reduced to a great extent; the breaking effects of high-concentration and multi-variety emulsions are effectively ensured; the effluent can be ensured to meet the requirements of subsequent biochemical treatment; meanwhile, the labor intensity of workers is reduced, and the economic benefits of enterprises are increased.

Description

technical field [0001] The invention relates to a demulsification device and a demulsification method for high COD and multi-type waste emulsions. Background technique [0002] Emulsion wastewater is a common wastewater in factory production, which is characterized by a wide variety, COD cr and oil content are high, and the treatment is difficult; at present, the commonly used waste emulsion treatment technologies include heating method, salting out method, coagulation method, acidification method, etc. These methods are only suitable for treating a certain kind of waste emulsion; but in actual treatment In the process, there are often many types of emulsions and complex components, such as: emulsion wastewater, electroplating wastewater, landfill leachate, etc., using a single method cannot achieve centralized treatment, and cannot achieve ideal demulsification and COD degradation. Effect. Contents of the invention [0003] The technical problem to be solved by the pres...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/04
Inventor 韩清洁
Owner QINGDAO NEW WORLD ENVIRONMENT PROTECTION CO LTD
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