Efficient cyclic purification and phosphorization device

Abstract

The invention relates to an efficient cyclic purification and phosphorization device. The device comprises a phosphorization operating tank, a lifting pump, a lifting pipe and a settling box, wherein, the phosphorization operating tank is communicated with the settling box via the lifting pipe; the settling box comprises an automatic liquid supplementing tank and a plurality of interconnected settling tanks, and the automatic liquid supplementing tank is connected with the lifting pipe; the settling tanks are separated by a plurality of upper flow baffle plates and lower flow baffle plates which are alternately arranged in the settling tanks; the first settling tank is internally equipped with a plurality of filter bags, and phosphating liquid in the liquid supplementing tank flows into the filter bags through a plurality of pipes with flow control valves; and the settling tank on the tail end is internally equipped with a return flow pipe communicated with the phosphorization operating tank. The efficient cyclic purification and phosphorization device has the following advantages: 1. the phosphating liquid is in a circular flow state, and workpieces in the phosphorization operating tank are phosphorized under a stable state; 2. the tank does not need to be cleaned everyday, thus saving manpower and electricity fee; and 3. phosphorated slag filtered by the filter bags can be naturally air-dried, solid is collected in little storage space, and the effective phosphating liquid and the cloth bags can be still recycled, thus achieving the dual-purposes of protecting environment and saving resource at once.

Description

technical field [0001] The invention relates to a chemical waste recycling device, in particular to a phosphating tank device. Background technique [0002] Metal workpieces need to be immersed in phosphating solution for phosphating treatment before painting. At the same time, very fine residue particles will be suspended in the bath during the displacement reaction, which not only affects the performance of the bath but also damages the phosphating quality of the metal surface. Phosphating slag must be removed in time. [0003] In order to solve the above problems, the original phosphating tank device includes a phosphating working tank, and the phosphating working tank lifts the treated phosphating solution to the phosphating solution sedimentation tank through a water pump and a lifting pipeline, and then returns to the phosphorizing solution through the return pipeline. Phosphating working tank; in factory use, the working process is: the phosphating tank liquid is pump...

AI Technical Summary

Problems solved by technology

[0004] According to the above, the disadvantages of the present invention are: 1, about 100kg of phosphating solution is discharged into the treatment tower with the bottom slag every day, and cannot be recycled; The phosphating slag cannot be removed, which still affects the phosphating quality; 4. The colloidal phosphating slag in the sedimentation tower is difficult to handle

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