Vacuum treating and deep cleaning method for stainless steel metal mesh
A technology of deep cleaning and vacuum treatment, applied in separation methods, chemical instruments and methods, filtration and separation, etc., can solve problems such as inability to backwash out particles, attenuation of work performance, and decrease in flux, so as to achieve strong operational reliability and guarantee Reliability, thorough cleaning effect
Active Publication Date: 2011-10-26
王东伟
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However, with the prolongation of the use time, its working performance is still gradually attenuated. This is mainly because the multi-layer metal mesh is in the form of a network of gaps, and some dirt particles enter the interior of the metal mesh to form a bridge structure, resulting in the ability to intercept finer particles. At this time, the flux will drop, and ordinary online cleaning cannot completely backwash the particles, and this situation will be further strengthened during use, resulting in complete blockage in the end.
[0005] Although it cannot be done by ordinary online cleaning under the above circumstances, since the material of the entire multi-layer mesh filter itself has not changed in any way, if this blockage can be removed, then in principle the filter can fully restore its performance , the actual cleaning in this case belongs to deep cleaning
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0017] see figure 1 A stainless steel metal mesh vacuum treatment deep cleaning method will need to carry out vacuum heat treatment and deep cleaning stainless steel metal mesh filter according to the following process steps:
[0018] The first step is to remove viscous oil stains: first, dry the filter at 80-100°C to evaporate the water adsorbed inside it, so as to prevent the formation of a two-phase structure with the extractant during the extraction process and affect the extraction migration effect , and then soak the dried filter in acetone or turpentine water for 2 to 4 hours. The time can be extended appropriately according to the actual situation. This process is carried out in a closed ultrasonic tank, and finally taken out to dry, the inside of the metal mesh filter The viscous oily substances have been cleaned up; the main principle used in...
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The invention relates to a vacuum treating and deep cleaning method for stainless steel metal mesh. The method is characterized by: removing viscous oil stain from the stainless steel metal mesh filter to be subjected to a vacuum heat treatment and deep cleaning, then removing mineral matter particles and metal particles, followed by backwashing, finally carrying out the vacuum heat treatment. The method is provided for respective processing the viscous oil stain, the mineral matter particles and the metal particles on the stainless steel metal mesh filter. Therefore, according to the backwashing and the vacuum heat treatment, service performance of the stainless steel metal mesh filter can be completely recovered, reliability of the deep cleaning is ensured. In addition, the method has advantages of wide application scope, strong operation reliability and thorough cleaning, and is widely applicable for cleaning and regeneration technology of the stainless steel metal filtrating equipment in the industrial field such as chemical engineering, medicine, power generation, metallurgy, food and the like.
Description
technical field [0001] The invention belongs to the technical field of cleaning and regeneration of stainless steel metal filter equipment, and relates to a vacuum treatment deep cleaning method for stainless steel metal mesh widely used in chemical industry, medicine, power generation, metallurgy, food and other industrial fields. Background technique [0002] The multi-layer metal sintered mesh in stainless steel metal filter equipment has the advantages of high mechanical strength and large filtration flux, so it is widely used in petroleum, chemical, nuclear power, pharmaceutical and environmental protection industries. During the use in these industries, the dirt filtered out through the multi-layer metal sintered mesh is mainly organic matter, metal and its alloy particles, and mineral particles. [0003] According to different industries, the clogging types of stainless steel metal mesh can be mainly divided into metal particle clogging, oil clogging, mineral particle...
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IPC IPC(8): B01D35/16B01D35/18
Inventor 王东伟
Owner 王东伟