Circulating cooling water treatment equipment and circulating cooling water treatment method

A technology for circulating cooling water and treatment equipment, applied in water/sewage treatment equipment, water/sewage treatment, natural water treatment, etc. Solving problems, problems such as not being able to use at the same time

Active Publication Date: 2019-12-27
章明歅 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these several problems are closely related, and the problem cannot be solved by a single medicine, but must be treated as a whole
Correspondingly, there are also many treatment methods and technological processes for circulating cooling water in the prior art, but these prior arts are limited by their own technical means and corresponding equipment structures, and usually only have one-to-one functions such as descaling and sterilizing algae. Two technical effects, the two electrode reactions of each electrochemical process cannot be used at the same time, which reduces the current efficiency, and cannot comprehensively solve the problems of scaling, corrosion, microorganisms, suspended solids, etc. in the circulating cooling water, which seriously restricts the cooling circulating water. The water quality balance and treatment effect will adversely affect the stable and efficient operation of cooling towers and heat exchangers and other related system equipment

Method used

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  • Circulating cooling water treatment equipment and circulating cooling water treatment method
  • Circulating cooling water treatment equipment and circulating cooling water treatment method
  • Circulating cooling water treatment equipment and circulating cooling water treatment method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] Central air-conditioning circulating cooling water system, circulating water volume 850m 3 / h, system volume 50m 3 , Supplement municipal tap water. Set up 2 sets of electrochemical side-flow water treatment equipment, each with a treatment volume of 25m 3 / h, each working current is 30A. In the cooling season of 2018, the control of scaling and corrosion problems met the specified requirements, but the microorganisms were difficult to control. Bacteria and algae grew in the water body, especially on the outer edge of the cooling tower packing, where moss grew. The water quality analysis data are shown in Table 1. Among them, the cumulative removal rate of calcium hardness is 69% (calcium hardness of supplemented water * chloride ion concentration ratio - calcium hardness of circulating water, the difference is divided by the calcium hardness of supplemented water * chloride ion ratio, and the cumulative removal rate is obtained). Residual chlorine in circulating wat...

Embodiment 2

[0091] The circulating cooling water system of the welding workshop of the automobile factory, the circulating water volume is 1050m 3 / h, system volume 500m 3 , with an average evaporation rate of 0.5%, supplemented with municipal tap water. Set up 2 sets of electrochemical side-flow water treatment equipment, each with a treatment volume of 20m 3 / h, each working current is 20A. There is no scale phenomenon in the circulating cooling water system, the microorganisms are within the control range, and the corrosion problem is prominent.

[0092] Refer to Table 3 for the water quality of the supplementary water. The LSI of the supplementary water is negative, and the RSI is greater than 6, indicating a strong corrosion tendency; after concentration to 6-8 times, the RSI of the circulating water is still greater than 6, indicating a corrosion tendency. The carbon steel coupon test also shows that there is corrosion in the circulating water. Since July 3, 2017, each electroch...

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Abstract

The invention provides circulating cooling water treatment equipment and a circulating cooling water treatment method, the equipment comprises a shell as a cathode, a descaling anode and a disinfection anode are arranged in the shell, the periphery of the disinfection anode is sleeved with a first water blocking diaphragm, and a disinfection gas generation chamber is formed in the first water blocking diaphragm; a disinfection assembly is arranged outside the shell, a disinfection gas transfer cavity and a salt storage cavity are formed in the disinfection assembly, and a gas conveying pipe and a return pipe are arranged between the disinfection gas transfer cavity and the disinfection gas generation chamber. A gas conveying opening is formed in the top of the disinfection gas transfer cavity; a rotating shaft is arranged at the bottom of the shell, scrapers are arranged on the rotating shaft in the circumferential direction, and a driving device is further arranged at the bottom of the shell. And the bottom of the inner cavity of the shell communicates with a blow-off pipeline, a blow-off valve is arranged on the blow-off pipeline, and an electric control box is further arranged outside the shell. The circulating cooling water treatment equipment can be used for comprehensively and efficiently treating circulating cooling water and guaranteeing stable and balanced water quality of the circulating cooling water.

Description

technical field [0001] The invention belongs to the field of circulating cooling water treatment, in particular to a circulating cooling water treatment equipment and a treatment method for circulating cooling water. Background technique [0002] The circulating cooling water system is a water supply system that uses water as the cooling medium and is composed of heat exchange equipment, cooling equipment, water pumps, pipelines and other related equipment, and is recycled. Bypass water is the part of water that is diverted from the circulating cooling water system and treated, and then returned to the circulating cooling water system. [0003] Cooling towers and heat exchangers are extremely important supporting equipment in modern industrial production. They are connected by a circulating cooling water system and work together. Usually, circulating cooling water exchanges heat through heat exchangers or directly contacts heat exchange methods. After exchanging the heat of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/46C02F1/467C02F103/02
CPCC02F1/4602C02F1/4606C02F1/46109C02F1/467C02F2001/46133C02F2103/023C02F2201/46115C02F2301/043C02F2303/04C02F2303/08C02F2303/14C02F2303/22
Inventor 章明歅
Owner 章明歅
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