A comprehensive treatment device and method for non-pharmaceutical circulating cooling water
A technology for circulating cooling water and water treatment equipment, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, cleaning heat transfer equipment, etc. Environmental pollution, high cleaning costs, etc., to prevent leakage of heat exchangers and pipelines, save high cleaning costs, and save production fluctuations
Inactive Publication Date: 2017-08-18
卫士循环水处理(北京)有限公司
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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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[0033] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0034] Please refer to figure 1 , figure 2 , the general operation process of the circulating cooling water system is as follows: the cooling water circulating pump (3) pumps the water in the cooling water pool (2) and sends it to the shell-and-tube heat exchanger (5), and the process from the heat exchange process pipeline (14) The medium returns to the cooling water tower (1) after heat exchange, and the cooling water completes a cycle process. During this process, the circulating cooling water will lose part of the cooling water due to evaporation (16) and wind blowing (17), and due to evaporation (16), the cooling water will gradually condense and cause the ion concentration to rise. In order to maintain the ion concentration of the circulating cooling water Balance, so blowdown (18) and make-up water with low ion...
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The invention relates to a comprehensive treatment device and method for circulating cooling water, comprising a cooling water magnetization device (4), an electrochemical water treatment device (11) and a rubber ball cleaning device (6). The cooling water circulating pump (3) pumps the water in the cooling water pool (2) to the shell-and-tube heat exchanger (5), exchanges heat with the process medium from the process medium inlet pipeline (14), and then enters the cooling water tower (1) for cooling Finally, it falls into the cooling water pool to complete a circulation process of cooling water. The present invention proposes a comprehensive treatment device and method for non-pharmaceutical circulating cooling water, which can greatly reduce sewage discharge or even achieve zero discharge, and solve the problem of circulating cooling water system from all aspects of "removal", "cleaning" and "prevention". Corrosion, scaling, biological erosion and other problems, the cooling water magnetization device (4), electrochemical water treatment device (11) and rubber ball cleaning device (6) can protect the circulating cooling water system in an all-round way, reducing sewage and avoiding The secondary pollution of chemicals reduces the operating 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 a...
Claims
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IPC IPC(8): C02F9/12F28G1/12
Inventor 诸建军
Owner 卫士循环水处理(北京)有限公司