Preparation method for vallisneria natans-enhanced air filter paper

An air filter paper, enhanced technology, applied in chemical instruments and methods, paper, papermaking, etc., can solve the problems of slow filtration, reduced dust holding capacity, inability to meet, etc., to reduce wind resistance, low production costs, and yield. high effect

Inactive Publication Date: 2017-02-01
苏州华泰空气过滤器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The smaller the fiber diameter of the air filter paper, the smaller the particle size for removing particles in the air, and the higher the filtration efficiency, but the greater the relative wind resistance, the slower the filtration speed, and the lower

Method used

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Examples

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Comparison scheme
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Embodiment

[0018] A preparation method of bitter grass enhanced air filter paper, comprising the following steps:

[0019] Step 1: Grind and beat bitter grass, then add protease and glucoamylase, keep the temperature at 28-35°C, let stand for 60-72 hours, then perform centrifugation at a speed of 3500r / min, remove the lower sediment and dry it, Grind to more than 200 mesh, add water to make a solution with a concentration of 2%, add a dispersant, stir evenly, and make a bitter grass additive;

[0020] Step 2, taking chopped glass fibers with an average diameter of 6-10 μm, adding them into a salt solution with a pH value of 6-8 for beating, adding a dispersant, and then performing deflagging on a deflagging machine, the number of flaking rotations is 10,000-15,000 revolutions;

[0021] Step 3: Add polyamide polyamine epichlorohydrin resin solution to the decomposed chopped glass fiber solution, and then shape it on a wet molding machine to make chopped glass fiber hand-sheets, put it in ...

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PUM

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Abstract

The invention discloses a preparation method for vallisneria natans-enhanced air filter paper. A piece of novel air filter paper is prepared by using chopped glass fibres and glass wool fibres with different fibre diameters; meanwhile, vallisneria natans is added to further improve a filter effect. The preparation method is simple and reasonable in process, high in yield and low in production cost; a piece of double-layer composite type air filter paper is prepared by using the chopped glass fibres and the glass wool fibres with different fibre diameters, so that the filter efficiency is improved; meanwhile, the wind resistance is reduced; the dust holding capacity is improved; a vallisneria natans additive is added, so that on one hand, the filter effect on harmful gases, such as formaldehyde, can be further improved, and on the other hand, the dust holding capacity of the vallisneria natans-enhanced air filter paper is further improved.

Description

technical field [0001] The invention relates to the field of air filtration, in particular to a preparation method of bitter grass enhanced air filter paper. Background technique [0002] As the main component of high efficiency filter, air filter paper determines the filtration efficiency of high efficiency filter. The smaller the fiber diameter of the air filter paper, the smaller the particle size for removing particles in the air, and the higher the filtration efficiency, but the greater the relative wind resistance, the slower the filtration speed, and the lower the dust holding capacity. The traditional single filter paper can no longer meet people's requirements for a high-quality air environment, so a composite high-efficiency air filter with high filtration efficiency and large dust holding capacity is required. [0003] As a common aquatic plant, bitter grass has not only been unused, but also endangered the balance of the aquatic environment due to excessive repr...

Claims

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Application Information

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IPC IPC(8): D21C5/00D21F13/00D21H13/40D21H17/52D21H17/55D21H19/34D21H21/14B32B17/02B32B17/04
CPCB32B17/02B32B17/04D21C5/005D21F13/00D21H13/40D21H17/52D21H17/55D21H19/34D21H21/14
Inventor 张申元林凯赵海飞潘建峰
Owner 苏州华泰空气过滤器有限公司
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