Automatic draining and supplying device for controlling pH of leaching tower, , and working method thereof
An automatic draining and rinsing technology, which is applied to chemical instruments and methods, ratio control, separation methods, etc., can solve problems such as production impact, large deviation of washing solution, and unstable liquid level of the leaching tower, so as to achieve convenient maintenance, Effect of control quality improvement, simple structure
Inactive Publication Date: 2010-08-11
SHANDONG HUAXIA SHENZHOU NEW MATERIAL
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Problems solved by technology
However, the pH value control of the washing solution has a large deviation through manual control, and the liquid level of the leaching tower is also unstable, which has a certain impact on production.
Method used
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[0023] The pH value control replenishment and automatic liquid drainage device of the leaching tower, as shown in Figure 1, includes the leaching tower 1, the leaching tower pump 4, the washing liquid tank 3, the pH meter 2, the circulating pump 7, the frequency converter 5, and the DCS6 , liquid level gauge 8, DCS adjustment unit 9, automatic regulating valve 10 and automatic drain switch 11; washing liquid tank 3, leaching tower pump 4 and leaching tower 1 are connected sequentially through pipelines; leaching tower 1, circulation pump 7 and the pH meter 2 are connected sequentially through pipelines; the pH meter 2, DCS6, frequency converter 5 and the leaching tower pump 4 are electrically connected in sequence; a liquid level gauge 8 is installed on the leaching tower 1, and an automatic Drain switch 11; an automatic regulating valve 10 is installed on the drain pipe of the leaching tower 1, and a DCS adjustment unit 9, an automatic regulating valve 10, and an automatic dra...
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The invention provides a shower tower PH value control liquid-complementation and an automatic liquid drainage device and working methods thereof; wherein, the device comprises a shower tower, a shower tower pump, a washing liquid tank, a PH meter, a circulation pump, a transducer, a DCS, a level gauge, a DCS adjusting unit, an automatic adjusting valve and an automatic liquid drainage switch; the washing liquid tank, the shower tower pump and the shower tower are sequentially connected with each other by pipelines; the shower tower, the circulation pump and the PH meter are sequentially connected with each other by pipelines; the PH meter, the DCS, the transducer and the shower tower pump are electrically connected with each other sequentially; the shower tower is provided with the levelgauge which is provided with the automatic liquid drainage switch; the liquid drainage pipeline of the shower tower is provided with the automatic adjusting valve; the DCS adjusting unit is arranged between the automatic adjusting valve and the automatic liquid drainage switch; the automatic adjusting valve, the automatic liquid drainage switch and the DCS adjusting unit are electrically connected with each other. According to the change of the PH value of the shower liquid, the shower tower PH value control liquid-complementation and automatic liquid drainage device changes the frequency of the power supply of a motor, regulates the rotation speed of the motor and changes the flux by the transducer, thus automatically adjusting the PH value of the shower liquid; furthermore, the automatic liquid drainage is realized by the liquid level change and the automatic liquid drainage switch.
Description
technical field [0001] The invention relates to a pH-value-controlled liquid replenishment and automatic liquid discharge device and a working method thereof, belonging to the technical field of gas washing in chemical production. technical background [0002] The water washing, alkali washing and pickling processes of the leaching tower all require the pH value to be controlled within a certain range and to be stable. The change of the pH value of the washing liquid in the water washing, alkali washing and pickling devices of the entire leaching tower will directly affect the washing effect of the system; The washing effect of the system can be stabilized within the range required by the process. Its stability directly affects the smooth and high-yield operation of the entire device, and even the quality of the final product. In terms of technology, the purpose of controlling the rinsing effect of the system is achieved by adjusting the pH value of the circulating washing...
Claims
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IPC IPC(8): B01D53/18G05D21/00
Inventor 卢东崔永文付清光房瑾李海成
Owner SHANDONG HUAXIA SHENZHOU NEW MATERIAL