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Plant filter base material

A plant and base material technology, applied in filtration separation, other chemical processes, chemical instruments and methods, etc., can solve the problems of unretrieved filter base material, complex manufacturing process, poor adsorption capacity, etc., and achieve filtration fineness and capacity Excellent miscellaneous capacity, simple production process, and high adsorption efficiency

Inactive Publication Date: 2013-09-11
GANSU HENGTONG FILTER IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the function of the current filter material is relatively simple, the production process is relatively complicated and the production cost is relatively high, and the current filter material has relatively poor adsorption capacity, and the impurity in the filter material is generally filtered by blocking, so the filtration efficiency is relatively low
[0003] At present, no filter substrates made of plant stems, rods, and leaves have been retrieved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A plant filter base material is prepared through the following steps:

[0021] 1) Crushing and screening: crushing and screening the stems or stems or leaves of plants or the mixture of any two kinds of stems and leaves or the mixture of stems and leaves, and the crushed and screened materials are 5 meshes;

[0022] 2) Degreasing and washing: Add 100kg of water to the soaking tank, add 5kg of alkaline oxidant NaOH and 0.1kg of surfactant dodecyl dimethyl amine oxide to form a degreasing and washing solution, and then add 15kg of the above crushed and screened The material is soaked in the degreasing and washing solution, and after standing at room temperature for 6 hours, it is taken out and dried, and the moisture content of the dried material is 10%;

[0023] 3) Softening: put the above-mentioned degreased, washed and dried materials into C with a mass fraction of 0.1%. 17 h 35 After standing in the COOK aqueous solution for 1.5h, take it out and shake dry;

[...

Embodiment 2

[0029] A plant filter base material is prepared through the following steps:

[0030] 1) Crushing and screening: crushing and screening the stems or stems or leaves of plants or the mixture of any two kinds of stems and leaves or the mixture of stems and leaves, and the crushed and screened materials are 40 meshes;

[0031] 2) Degreasing and washing: Add 100kg of water into the soaking tank, add 3kg of alkaline oxidant KOH and 0.2kg of surfactant sodium dodecylbenzenesulfonate to form a degreasing and washing solution, and then add 50kg of the above crushed and screened materials Soak in the degreasing and washing solution, let it stand at room temperature for 4 hours, then take it out and dry it. The moisture content of the material after drying is 12%;

[0032] 3) Softening: put the above-mentioned degreased, washed and dried materials into C with a mass fraction of 0.2%. 17 h 35 After standing in the COOK aqueous solution for 1 hour, take it out and shake dry;

[003...

Embodiment 3

[0038] A plant filter base material is prepared through the following steps:

[0039] 1) Crushing and screening: crushing and screening the stems or stems or leaves of plants or the mixture of any two kinds of stems and leaves or the mixture of stems and leaves, and the crushed and screened materials are 30 meshes;

[0040] 2) Degreasing and washing: add 100kg of water to the soaking tank, and add 3kg of alkaline oxidant KNO 3Form a degreasing and washing solution with 0.2kg surfactant sodium dodecylbenzenesulfonate, then add 50kg of the above-mentioned pulverized and screened materials and soak them in the degreasing and washing solution, take them out after standing for 4h at normal temperature, and spin them dry. The moisture content of the dried material is 12%;

[0041] 3) Softening: put the above-mentioned degreased, washed and dried materials into C with a mass fraction of 0.2%. 17 h 35 After standing in the COOK aqueous solution for 1 hour, take it out and shake...

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Abstract

The invention discloses a plant filter base material which is prepared by the working procedures of crushing, screening, degreasing, washing, softening, cleaning, puffing and drying a mixture of plant stems and leaves, and the like. According to the filter base material disclosed by the invention, plants are puffed, so that the fiber structure of the plants is fluffy to form a plurality of small gaps, the flow resistance to filter media is reduced, and impurities in filtered substances are effectively intercepted. According to the filter base material, a surface barrier form of a traditional filter material is converted into a volume type echelon filter and deep adsorption form. Additionally, the filter base material disclosed by the invention is in a fluffy structure, so that various additives can be steadily stored in the structures and cell capsules of plant fibers so as to be processed into various gas and liquid filter materials. When the filter media pass through the filter materials, the plant fibers are extruded, so that the additives are slowly released to repair the filter media, and the adverse effect caused by excessive release of the additives can be avoided.

Description

technical field [0001] The invention belongs to the technical field of filter materials, and in particular relates to a plant filter base material. Background technique [0002] In the filtration operation, various porous materials used to intercept the solid particles contained in the fluid and support the filter cake are filter materials. Commonly used filter materials in industry are: ①Woven material, filter cloth and filter screen woven from natural or synthetic fibers, metal wires, etc., is the most commonly used filter medium in industrial production. This type of material is cheap, easy to clean and replace, and the minimum particle size that can be retained is 5-65 μm. Single-strand filter screens made of fibers such as polyamide, polyester, or polypropylene are uniform in texture, corrosion-resistant, and fatigue-resistant, and are gradually replacing other fabric filter cloths. But this kind of material can't absorb the impurities in the filtered material, it's j...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D39/04B01J20/24
Inventor 李旺达李佳燕包哲铭包梦王浩吉
Owner GANSU HENGTONG FILTER IND
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