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Filter bag for fibre analysis and manufacturing method thereof

A filter bag and fiber technology, applied in separation methods, filtration separation, gravity filters, etc., can solve the problems of small batches, easy clogging of filtration, and residue transfer loss, etc., to achieve high filtration efficiency, convenient use, and reduce residue transfer loss. Effect

Inactive Publication Date: 2011-01-05
INST OF ANIMAL SCI OF CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The technical problem to be solved by the present invention is to provide a filter bag for fiber analysis and its manufacturing method, which can efficiently filter and reduce residue Transfer loss, batch detection, easy to use, improved detection repeatability and work efficiency, and can adapt to the development requirements of rapid analysis of feed ingredients

Method used

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  • Filter bag for fibre analysis and manufacturing method thereof
  • Filter bag for fibre analysis and manufacturing method thereof
  • Filter bag for fibre analysis and manufacturing method thereof

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Embodiment Construction

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Abstract

The invention relates to a filter bag for fibre analysis and a manufacturing method thereof. A polypropylene melt-blown ultrafine fibre material is adopted to manufacture a U-shaped three-dimensional bag with an opening, wherein the middle part of the bag is formed into a space capable of containing a sample; the fibre fineness of the polypropylene melt-blown ultrafine fibre material is less than4mum, while the filtration efficiency is more than 99 percent, the resistance is less than 7Pa, the thickness is 0.28+ / -0.03mm and the constant area is 55 to 60g / m <2>. The filter bag has the characteristics of acid resistance, alkali resistance, heat resistance (110 DEG C), no generation of ash after combustion, no nitrogen, high filtration efficiency, convenient and firm sealing by a heat sealing machine, and the like; therefore, the filter bag is suitable for determining crude fibre, neutral rinsing fibre and acidic rinsing fibre in feedstuff.

Description

A filter bag for fiber analysis and its manufacturing method technical field The invention relates to a packaging bag and a manufacturing method thereof, in particular to a filter bag for fiber analysis and a manufacturing method thereof. Background technique The fiber content in feed is an important basis for evaluating feed quality and an important decision-making basis for optimizing feed formula. The classic feed crude fiber determination method is the acid-base treatment method established by Weede in the 19th century, that is: use a fixed amount of acid and alkali to digest the sample under specific conditions, then remove the ether-soluble matter with ether and acetone, and burn it at high temperature. The amount of burning minerals is deducted, and the remainder is crude fiber. The method of my country's national standard "Determination of Crude Fiber Content in Feed (GB / T6434-2006)" was formulated accordingly. In the process of acid-base boiling, especially if th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D39/16B01D29/27
Inventor 唐湘方张宏福芮巧云卢凌高福森武燕霞刘婷婷
Owner INST OF ANIMAL SCI OF CHINESE ACAD OF AGRI SCI
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