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Industrial filter cloth cleaning process

A filter cloth and industrial technology, applied in the field of industrial filter cloth cleaning technology, can solve the problems of poor air quality, short service life of filter cloth, filter failure, etc., and achieve the effect of improving the removal effect and restoring the filter effect.

Inactive Publication Date: 2020-12-01
界首万昌新材料技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the high content of oil mist in the atmosphere of the metal processing workshop, the air quality in the workshop is poor, which poses a great threat to the health of the operators. Therefore, it is necessary to purify the air in the workshop
[0003] In the prior art, the air in the workshop is generally treated by mechanical filtration and purification, and the industrial filter cloth is used for direct filtration treatment, and the oil mist particles in the air are blocked on the surface of the industrial filter cloth through inertial collision and direct blocking. However, in the After a period of filtration, due to the saturated state of oil mist particles, the filtration becomes invalid and cannot continue to be effectively filtered. Therefore, the filter cloth needs to be cleaned to restore the filter function of the filter cloth. However, the existing technology In general, the oil is removed by direct washing with clean water, but the effect is poor simply by washing with clean water, and the service life of the filter cloth after cleaning is short, and after a short period of filtering, the filtering effect is lost. It will lead to a significant reduction in the filtering effect of the filter cloth

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0096] An industrial filter cloth cleaning process comprises the following steps:

[0097] (1) Rinse with water:

[0098] Put the oily industrial filter cloth into the cleaning room, and use a water gun to wash the surface of the industrial filter cloth to remove large particles of oil and stains on the surface of the industrial filter cloth; the surface washing time is 20 minutes.

[0099] (2) Preparation of sludge solution:

[0100] Add the activated sludge to the salt solution, stir at a speed of 500r / min for 40min, then keep the heat preservation and stand for 4 hours at 30°C, filter to remove large particles of solid impurities, and obtain the filtrate as sludge liquid; the activated sludge and salt The solution mixing mass ratio is 100g: 1000mL. The salt solution is sodium lauryl sulfate solution; the mass fraction of sodium lauryl sulfate solution is 1.2%.

[0101] (3) Sludge liquid treatment:

[0102] Add the washed industrial filter cloth in step (1) to the sludge...

Embodiment 2

[0108] An industrial filter cloth cleaning process comprises the following steps:

[0109] (1) Rinse with water:

[0110] Put the oily industrial filter cloth into the cleaning room, and use a water gun to wash the surface of the industrial filter cloth to remove large particles of oil and stains on the surface of the industrial filter cloth; the surface washing time is 25 minutes.

[0111] (2) Preparation of sludge solution:

[0112] Add the activated sludge to the salt solution, stir at a speed of 500r / min for 40min, then keep the temperature at 34°C for 5 hours, filter to remove large particles of solid impurities, and obtain the filtrate as sludge liquid; the activated sludge and salt The solution mixing mass ratio is 150g:1000mL. The salt solution is sodium lauryl sulfate solution; the mass fraction of sodium lauryl sulfate solution is 1.2%.

[0113] (3) Sludge liquid treatment:

[0114] Add the washed industrial filter cloth in step (1) to the sludge solution, stir a...

Embodiment 3

[0120] An industrial filter cloth cleaning process comprises the following steps:

[0121] (1) Rinse with water:

[0122] Put the oily industrial filter cloth into the cleaning room, and use a water gun to wash the surface of the industrial filter cloth to remove large particles of oil and stains on the surface of the industrial filter cloth; the surface washing time is 22 minutes.

[0123] (2) Preparation of sludge solution:

[0124] Add the activated sludge to the salt solution, stir at a speed of 500r / min for 40min, then keep the heat preservation and stand for 4.5 hours at 31°C, filter, remove large particles of solid impurities, and obtain the filtrate as sludge liquid; the activated sludge and salt The solution mixing mass ratio is 120g:1000mL. The salt solution is sodium lauryl sulfate solution; the mass fraction of sodium lauryl sulfate solution is 1.2%.

[0125] (3) Sludge liquid treatment:

[0126] Add the washed industrial filter cloth in step (1) to the sludge ...

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Abstract

The invention discloses an industrial filter cloth cleaning process and relates to the technical field of industrial filter cloths. The preparation method comprises the following steps: (1) washing with clear water, (2) preparing sludge liquid, (3) carrying out sludge liquid treatment, (4) carrying out fumigation, and (5) carrying out alkali washing. When the sludge liquid is prepared, large-particle solid impurities in the sludge liquid can be removed through filtering treatment, and the sludge liquid is prevented from blocking filter holes of industrial filter cloth. The industrial filter cloth is soaked in the prepared sludge liquid, microorganisms in the sludge liquid can decompose greasy dirt on the surface of the industrial filter cloth to generate easily-dissolved substances, the adhesive force between the greasy dirt and the industrial filter cloth can be reduced, then ultrasonic treatment is conducted, the greasy dirt can be promoted to be separated from the industrial filtercloth, and especially the greasy dirt separation efficiency in filter holes of the industrial filter cloth is higher.

Description

technical field [0001] The invention belongs to the technical field of industrial filter cloths, in particular to an industrial filter cloth cleaning process. Background technique [0002] Due to the high content of oil mist in the atmosphere of the metal processing workshop, the air quality in the workshop is poor, which poses a great threat to the health of the operators. Therefore, it is necessary to purify the air in the workshop. [0003] In the prior art, the air in the workshop is generally treated by mechanical filtration and purification, and the industrial filter cloth is used for direct filtration treatment, and the oil mist particles in the air are blocked on the surface of the industrial filter cloth through inertial collision and direct blocking. However, in the After a period of filtration, due to the saturated state of oil mist particles, the filtration becomes invalid and cannot continue to be effectively filtered. Therefore, the filter cloth needs to be cle...

Claims

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Application Information

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IPC IPC(8): B01D41/00
CPCB01D41/00
Inventor 赵春升
Owner 界首万昌新材料技术有限公司
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