Environment-friendly wastewater treatment device for printing plant

Abstract

The invention relates to the technical field of sewage treatment, and discloses an environment-friendly wastewater treatment device for a printing plant. The wastewater treatment device comprises a bottom plate; supporting rods are fixedly arranged at the top of the bottom plate, wherein the number of the supporting rods is two; an outer open tank is fixedly arranged at the top ends of the two supporting rods; an inner open tank is movably sleeved in the outer open tank; a box body is fixedly sleeved in the middle of the bottom plate; and a driving motor is fixedly arranged in the box body. According to the environment-friendly wastewater treatment device for a printing plant, printing plant wastewater is mixed with precipitation reagents through cooperation of stirring shafts, stirring blades and baffle rings, so that the precipitation rate is increased; two metal rods are matched and are respectively set to have different activity, so that metal ions in the printing plant wastewaterare separated out again through oxidation-reduction reactions; and meanwhile, macromolecules are decomposed into small molecules, so that the wastewater is subjected to secondary treatment, and the effect of thorough treatment is achieved.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an environment-friendly printing factory wastewater treatment device. Background technique [0002] Printing is a technology that transfers the ink to the surface of paper, fabric, leather and other materials through plate making, ink application, and pressurization of original manuscripts such as text, pictures, and photos, and reproduces the contents of the original manuscripts in batches. There are many forms of printing: traditional offset printing, screen printing, digital printing, etc., stencil printing, letterpress printing, gravure printing, and offset printing are also known as the four major modern printing techniques. Printing plants often produce a large amount of waste water, which requires waste water treatment equipment for treatment. [0003] However, the existing wastewater treatment devices usually only add precipitation reagents for mixed sedimentati...

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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides an environment-friendly printing factory wastewater treatment device, which has the advantages of thorough treatment, time saving and labor saving, etc., and solves the problem that the existing wastewater treatment device is usually carried out by adding a single precipitation reagent. Mixed sedimentation, but a single treatment cannot completely clean it up. At the same time, during the treatment, it is necessary to manually salvage the sediment in the sedimentation tank, and manual salvage consumes a lot of manpower and increases the processing cost.

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