A method for detecting scaling speed in water by using electrical characteristics of electric double layer
A technology of scaling speed and electrical characteristics, used in measuring devices, scientific instruments, material capacitance, etc., can solve the problems of inability to detect the scaling speed of water bodies, adverse effects on production and life, and waiting for a long time.
Active Publication Date: 2016-04-20
JIANGXI COPPER
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Problems solved by technology
[0002] In production and life, water scaling is a common phenomenon, especially calcium ion scaling is more common, but now it is impossible to detect the scaling speed of water bodies that have not yet scaled. After the scaling is formed, measure the thickness of the scaling body, and then calculate the scaling speed, which needs to wait for a long time until the scaling thickness can be measured before proceeding, and after the scaling is formed, the production and life have caused adverse effects, which is a kind of after-the-fact detection
It is impossible to quickly and accurately detect the speed of water scaling in the future when scaling has not yet formed
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[0011] In order to make the objects, technical solutions and advantages of the present invention clearer, the following in conjunction with specific examples and with the accompanying figure 1 , to further describe the present invention in detail.
[0012] Such as figure 1 As shown, the research electrode, reference electrode, and auxiliary electrode are connected to the AC bridge, where the research electrode and the auxiliary electrode can be equivalent to a series connection of resistance and capacitance in the bridge. In the circuit, the voltage of DC power supply B is applied to terminals 1 and 2 of the bridge to polarize the electrodes, and an AC power supply G is used to superimpose a small amplitude on terminals 3 and 4 of the bridge. Adjust R4 and C1. When the value of R4 and C1 is equal to the capacitance and resistance between the electrodes, the potential between points 1 and 2 of the bridge is equal, the bridge is balanced, and the oscilloscope O is reset to zero...
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The invention discloses a method capable of quickly and accurately detecting the fouling speed in the water body. The invention utilizes the electric double layer formed on the solid surface and particle surface in the water body, and detects the electrical characteristics of the electric double layer through a double bridge and a precise voltmeter. , including the capacitance C of the electric double layer, the potential φ, the surface residual charge q and the surface residual positive charge Q. These electrical characteristics are compared with those of the standard water body to detect the scaling speed of the water body scaling.
Description
technical field [0001] The invention relates to a method for detecting scaling speed in a water body by using the electrical characteristics of an electric double layer, in particular to a method for detecting the scaling speed of calcium ions inside pipelines and tanks. Background technique [0002] In production and life, water scaling is a common phenomenon, especially calcium ion scaling is more common, but now it is impossible to detect the scaling speed of water bodies that have not yet scaled. After the scaling is formed, measure the thickness of the scaling body, and then calculate the scaling speed, which needs to wait for a long time until the scaling thickness can be measured before proceeding, and after the scaling is formed, the production It has a negative impact on life and is a kind of post-mortem detection. It is impossible to quickly and accurately detect the speed of water scaling in the future when scaling has not yet formed. Contents of the invention ...
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IPC IPC(8): G01N27/00G01N27/22
Inventor 苏峰
Owner JIANGXI COPPER