Comprehensive treatment apparatus and method for non-dosage form circulating cooling water

Abstract

The present invention relates to a comprehensive treatment apparatus and method for circulating cooling water. The apparatus comprises a cooling water magnetizing apparatus (4), an electrochemical water treatment apparatus (11) and a rubber ball cleaning apparatus (6). Water in a cooling pond (2) is extracted by a cooling water circulation pump (3) to be delivered into a shell-and-tube heat exchanger (5) to be carried on a heat exchange with a process medium from a process medium inlet line (14), then come into a cooling tower (1), and fall into the cooling pond after cooling. A cycle of cooling water is finished. The present invention provides a comprehensive treatment apparatus and method for non-dosage form circulating cooling water, thereby significantly reducing pollution discharge or even achieving zero pollution discharge. Problems existing in a circulating cooling water system such as corrosion, fouling, bio-erosion, and the like are solved from a comprehensive angle of ''removing'', ''cleaning'', and ''preventing''. The cooling water magnetizing apparatus (4), the electrochemical water treatment apparatus (11) and the rubber ball cleaning apparatus (6) can comprehensively protect the circulating cooling water system, so as to reduce pollution discharge, avoid secondary pollution of chemicals, and decrease an operation cost of the circulating cooling water system.

Description

technical field [0001] The invention belongs to the technical field of industrial water treatment, and in particular relates to a non-pharmaceutical type circulating cooling water comprehensive treatment device and method. Background technique [0002] Industrial circulating cooling water is a common and important production factor in petrochemical, energy, metallurgy, electric power and other industries. It accounts for about 80% of industrial water and has become an important factor in enterprise resource consumption and operating costs. In the traditional industrial circulating cooling water treatment process, the main method is to add chemical agents. The addition of chemicals has brought new pollution to the circulating cooling water system. Regular cleaning of the heat exchanger not only affects the stability of the system, but also creates new sources of pollution. Even if the problem of the circulating cooling water system is temporarily solved by adding chemicals...

AI Technical Summary

Problems solved by technology

The addition of chemicals has brought new pollution to the circulating cooling water system. Regular cleaning of the heat exchanger not only affects the stability of the system, but also creates new sources of pollution.

Even if the problem of the circulating cooling water system is temporarily solved by adding chemicals and regular cleaning, the risk is still high in the long run, due to scaling, corrosion and perforation, high energy consumption, environmental pollution and other problems caused by the instability of the circulating cooling water system. Property damage and serious accidents abound, shocking

[0003] At present, industrial circulating water treatment faces five major problems: (1) Energy loss due to system blockage caused by scaling and biological slime and decreased heat transfer efficiency

(2) Waste of water resources caused by massive sewage discharge

(3) Corrosion leads to heat exchanger and pipeline leakage and safety accidents

(4) Environmental pollution and high cost of chemicals caused by adding chemicals

(5) Production fluctuations and high cleaning costs caused by regular cleaning

[0004] With the demand for sustainable development of the country, the requirements for the treatment and discharge of industrial circulating cooling water are getting higher and higher. Obviously, the traditional method of using chemicals as the main means of circulating cooling water treatment will be more and more restricted, and the treatment cost will also increase. higher

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