Membrane separation device with cleaning function and cleaning method thereof
A membrane separation and functional technology, applied in the direction of semipermeable membrane separation, chemical instruments and methods, membrane technology, etc., can solve the problems of troublesome operation and low cleaning efficiency, and achieve high mechanical strength, strong antimicrobial ability and high separation efficiency Effect
Inactive Publication Date: 2012-11-07
威洁(石狮)中水回用技术有限公司
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Problems solved by technology
[0004] The main purpose of the present invention is to overcome the disadvantages of removing the filter membrane and cleaning one by one, troublesome operation and low cleaning efficiency in the cleaning method of the membrane separation device in the prior art, and proposes a cleaning method that does not need to be disassembled, is simple to operate, high in cleaning efficiency, and cleans Membrane separation device with good cleaning effect and cleaning method thereof
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[0022] The present invention will be further described below through specific embodiments.
[0023] refer to figure 1 , a membrane separation device with a cleaning function, which can be used as a pretreatment device for deep purification of printing and dyeing, including a membrane separation device, an inlet pipe 1 connected to the membrane separation device, an outlet pipe 2, and a cleaning pipe 3 connected to the outlet pipe 2 As well as the water pump 4 and the backwash pump 5, several spherical brushes 6 are arranged in the membrane separation device. The membrane separation device includes a first chamber 11 communicated with the water outlet pipeline, a second chamber 12 disposed in the first chamber 11 communicated with the water inlet pipeline 1, disposed in the second chamber 12 with two ends respectively The tubular porous membrane 13 communicated with the first chamber 11 and the drain pipe 14 communicated with the second chamber 12 for cleaning the waste liquid...
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Abstract
A membrane separation device with a cleaning function comprises a membrane separation unit, a water inlet pipeline and a water outlet pipeline connected with the membrane separation unit and a water suction pump communicated with the water outlet pipeline. The membrane separation unit comprises a first chamber communicated with the water inlet pipeline and a second chamber communicated with the water outlet pipeline, and a plurality of globular hairbrushes are arranged in the membrane separation unit. According to the membrane separation device with the cleaning function, the plurality of the globular hairbrushes are arranged between adjacent porous membranes in the second chamber, cleaning liquid is added into the second chamber to be reacted with the outer walls of the porous membranes by controlling a jet flow pipeline, and gas is transmitted into the second chamber by controlling a gas transmission pipeline, the plurality of the globular hairbrushes collide mutually to slightly brush over the outer walls of the porous membranes under the action of the gas; accordingly, the porous membranes are cleaned and prevented from plugging; a pressure detecting meter used for detecting pressure of the outer walls of the porous membranes is arranged in the second chamber, the cleaning process is performed when the pressure achieves a certain value.
Description
technical field [0001] The invention relates to a membrane separation device for treating industrial waste water, in particular to a membrane separation device with cleaning function and a cleaning method thereof. Background technique [0002] my country is a country with scarce water resources, and the per capita water resources account for 2500m of the total 2 , which is 1 / 5 of the world's per capita level. With the rapid development of social economy, the contradiction of water shortage is becoming more and more serious. However, my country's water consumption quota is relatively high, and the water intake per 10,000 yuan of industrial added value is 5 to 10 times that of developed countries. The industrial water reuse rate is lower than 30%, and the water treatment and water utilization rate technologies have not reached the level of moderately developed countries. The printing and dyeing industry is a "big energy and water consumer", accounting for 35% of industrial wa...
Claims
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IPC IPC(8): B01D61/00B01D69/04B01D71/02B01D65/04B01D65/06B01D65/10C02F1/44
Inventor 王俊杰
Owner 威洁(石狮)中水回用技术有限公司
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