Filter, gas adsorption device using filter, and vacuum heat insulator
A gas adsorption and filter technology, which is applied in chemical instruments and methods, pipeline protection through heat insulation, application, etc., can solve problems such as the decline of gas adsorption capacity, and achieve the effect of maintaining heat insulation performance
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no. 1 approach
[0057] figure 1 It is a schematic diagram which shows the structure of the filter in 1st Embodiment of this invention.
[0058] exist figure 1 Among them, the filter 1 is, for example, a porous body having continuous voids at least in the direction perpendicular to the paper surface, and the main structure is formed by a substance 2 (also referred to as the first substance) with a relatively high melting point, and exists in the voids of the main structure. Substance 3 having a relatively low melting point (also referred to as the second substance).
[0059] The filter of the present invention can be obtained through the following steps.
[0060] First, a substance 2 having a relatively high melting point, such as alumina powder, is filled into a cylindrical mold according to a known method, for example, and uniaxially molded. Then, the formed material is heat treated. Through these steps, a main structure with voids is obtained consisting of the substance 2 with a relativ...
no. 2 approach
[0073] figure 2 It is a schematic diagram which shows the structure of the filter 1 in 2nd Embodiment of this invention.
[0074] exist figure 2 Among them, the filter 1 is, for example, a porous body having continuous voids at least in a direction perpendicular to the paper. The main structure is formed by a substance 2 with a relatively high melting point, and a substance 3 with a relatively low melting point is present in the interstices of the main structure.
[0075] The filter 1 of this embodiment can be obtained through the following steps.
[0076] Firstly, a powder of a relatively high melting substance 2 , for example aluminum oxide, and a relatively low melting substance 3 , for example a powder of borosilicate glass, are mixed according to known methods. Then, these are filled into a cylindrical mold according to a known method, for example, and uniaxially molded. Then, heat treatment is performed on the molded material to obtain a filter 1 in which the subst...
no. 3 approach
[0084] image 3 It is a schematic diagram showing the cross-sectional structure of the gas adsorbing device 4 in the third embodiment of the present invention using the filter 1 .
[0085] exist image 3 Among them, the gas adsorption device 4 has a filter 1 , a gas adsorption member 5 made of copper-exchanged ZSM-5 zeolite, a gas-impermeable container 6 and a sealing glass 7 . Among them, the filter described in the first embodiment or the second embodiment is used for the filter 1 .
[0086] The gas adsorbing device 4 of the present invention can be obtained through the following steps.
[0087] First, a copper-exchanged ZSM-5 zeolite serving as the gas adsorbent 5 was filled in the gas-impermeable container 6 .
[0088] Next, it will be as image 3 The shown opening is tapered (wider toward the end) and the opening of the air-impermeable container 6 faces upward, and the filter 1 is disposed.
[0089] Here, the diameter of the opening of the air-impermeable container 6...
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Abstract
Description
Claims
Application Information
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