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Apparatus and method for improving magnetic field scale inhibition efficiency in circulating water cooling system

A circulating water cooling and magnetic field technology, which is applied in chemical instruments and methods, magnetic field/electric field water/sewage treatment, descaling and water softening, etc., can solve the problems of magnetic field scale inhibition failure, improve the efficiency of magnetic field scale inhibition, and avoid The effect of magnetic field scale inhibition failure

Active Publication Date: 2018-11-23
NORTHWEST RES INST OF MINING & METALLURGY INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a device for improving the efficiency of magnetic field scale inhibition in the circulating water cooling system, so as to solve the problem that the magnetic field scale inhibition fails when the cooling water temperature is too high in the existing magnetic field scale prevention technology

Method used

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  • Apparatus and method for improving magnetic field scale inhibition efficiency in circulating water cooling system
  • Apparatus and method for improving magnetic field scale inhibition efficiency in circulating water cooling system
  • Apparatus and method for improving magnetic field scale inhibition efficiency in circulating water cooling system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Step 1, the magnetization intensity is 0.1 T m, the length L of the magnet 6 is 0.2m, then the magnetic induction intensity is set to 0.5T;

[0041] Step 2: Open the second valve 2, close the first valve 1, inject water into the water tank 4, turn on the water pump 3 to run the magnetization circulation loop, and control the flow rate of the cooling water in the magnetization circulation loop by the flowmeter 7 to 0.2m / s. For magnetization, the volume of cooling water in the magnetization circulation loop is 0.1m 3 , the cross-sectional area of ​​the water pipe is 0.04m 2 , the magnetization time is 13s;

[0042] Step 3: Close the second valve 2, open the first valve 1, run the circulating water cooling system, mix the magnetized cooling water with industrial waste water, enter the cooling system to cool the cooling part 5, and find that the temperature has been kept at around 40°C , After cooling for 4 hours, repeat step 1 to make the cooling water flow back to the m...

Embodiment 2

[0045] Step 1. The magnetization intensity is 0.5T•m, the length L of the magnet 6 is 0.2m, and the magnetic induction intensity is set to 2.5T;

[0046] Step 2: Open the second valve 2, close the first valve 1, inject water into the water tank 4, turn on the water pump 3 to run the magnetization circulation loop, and control the flow rate of the cooling water in the magnetization circulation loop by the flowmeter 7 to 0.2m / s. For magnetization, the volume of cooling water in the magnetization circulation loop is 0.1m 3 , the cross-sectional area of ​​the water pipe is 0.04m 2 , the magnetization time is 13s;

[0047] Step 3: Close the second valve 2, open the first valve 1, run the circulating water cooling system, mix the magnetized cooling water with industrial waste water, enter the cooling system to cool the cooling part 5, and find that the temperature has been kept at around 40°C , After cooling for 4 hours, repeat step 1 to make the cooling water flow back to the mag...

Embodiment 3

[0050] Step 1, the magnetization intensity is taken as 1T•m, and the length L of the magnet 6 is 0.2m, then the magnetic induction intensity is set to 5T;

[0051] Step 2: Open the second valve 2, close the first valve 1, inject water into the water tank 4, turn on the water pump 3 to run the magnetization circulation loop, control the flow rate of the cooling water in the magnetization circulation loop to 0.2m / s by the flowmeter, and conduct cooling water Magnetization, the volume of cooling water in the magnetization circulation loop is 0.1m 3 , the cross-sectional area of ​​the water pipe is 0.04m 2 , the magnetization time is 13s;

[0052]Step 3: Close the second valve 2, open the first valve 1, run the circulating water cooling system, mix the magnetized cooling water with industrial waste water, enter the cooling system to cool the cooling part 5, and find that the temperature has been kept at around 40°C , After cooling for 8 hours, repeat step 1 to make the cooling w...

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Abstract

The invention discloses an apparatus and method for improving magnetic field scale inhibition efficiency in a circulating water cooling system, which belongs to the field of scale inhibition of a circulating water cooling system, and solves the problem in the existing magnetic field scale inhibition technology that the magnetic field scale inhibition fails when the temperature of the cooling wateris excessively high. The apparatus is provided with a magnetizing circulating loop connected to the circulating water cooling system in parallel, wherein the magnetizing circulating loop comprises asecond valve, a magnet and a flow meter, the second valve, the magnet and the flow meter are serially connected together by virtue of a water pipe, two ends of the magnetizing circulating loop are respectively connected with a water trough and a water pump in the circulating water cooling system, and the water trough is connected with the water pump. The method comprises the following steps: setting magnetic induction intensity of a magnet; opening a second valve, closing the first valve, injecting water into a water trough, starting a water pump, and operating a magnetizing circulating loop;and closing the second valve, opening the first valve, and operating the circulating water cooling system. The apparatus and method have the beneficial effects that the magnetic field scale inhibitionfailure caused by the excessively high temperature of the cooling water can be avoided, and the magnetic field scale inhibition efficiency can be improved.

Description

technical field [0001] The invention belongs to the field of scale prevention of circulating water cooling systems, and in particular relates to a device and method for improving the scale inhibition efficiency of a magnetic field in a circulating water cooling system. Background technique [0002] At present, the water supply mode in which circulating cooling water and industrial waste water are mixed to make cooling water replenishment water is widely used in industry. The most commonly used anti-scaling method is chemical method, but adding chemical reagents will not only increase the operating cost, but also cause secondary pollution. [0003] Magnetic field anti-scale technology is an advanced physical method in the field of water treatment in the world today. It has the characteristics of long-term effect and no pollution. It can not only prevent and remove scale, but also sterilize and sterilize. It is easy to install, manage and operate Features such as low cost. M...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/00C02F1/48C02F103/02
CPCC02F1/481C02F5/00C02F2103/023
Inventor 姚夏妍余江鸿鲁兴武李彦龙程亮李俞良李守荣张恩玉李贵
Owner NORTHWEST RES INST OF MINING & METALLURGY INST
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