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Detection method of inorganic membrane assembly

A detection method and membrane module technology, applied in the testing of machines/structural components, by detecting the appearance of fluid at the leak point, measuring devices, etc., can solve problems such as limiting large-scale application, affecting normal production, delaying time, etc. The effect of reducing labor costs, small workload, and improving production efficiency

Active Publication Date: 2010-02-17
JIANGSU JIUWU HITECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For components with high packing density, the workload is very large, and the time delay also affects normal production, especially limiting the large-scale application of inorganic membranes in chemical, petrochemical and other fields

Method used

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  • Detection method of inorganic membrane assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for detecting the integrity of a single-core single-tube inorganic ceramic membrane module, such as figure 1 and figure 2 In the single-core single-tube inorganic ceramic membrane module shown, water enters one end of the upper head 2, and the lower end of the lower head 5 is observed. It is found that the flow rate of the outlet liquid is significantly smaller than the water intake, indicating that the membrane tube is broken, that is to say, the membrane module Incomplete, the root membrane tube needs to be replaced.

Embodiment 2

[0029] The detection method of single-core single-tube inorganic ceramic membrane module, such as figure 1 and figure 2 In the single-core single-tube inorganic ceramic membrane module shown, ethanol is fed into end 2 of the upper head, and the 5 end of the lower head is observed. It is found that the flow rate of ethanol at the outlet is basically the same as the amount of liquid entering, indicating that the membrane tube is not broken.

[0030] The membrane module is filled with ethanol, and soap foam is coated on the upper head 2 and the lower head 5 of the membrane tube of the module, the first permeation test 1-1 enters the air, and the second permeation test 1-2 is sealed, and the air intake pressure is 0.2MPa (the bubble point pressure of the membrane tube is 0.25MPa), observe whether there are bubbles in the sealing ring 3 at the two ends of the membrane module, and find that there is air leakage in the sealing ring 3, indicating that the seal is not good, and the me...

Embodiment 3

[0032] The detection method of 7-core 7-channel tubular inorganic ceramic membrane module, from such as image 3 and Figure 4 The shown 7-core 7-channel tubular inorganic ceramic membrane module 4 has water entering one end of the upper head 2, observing the lower head 5 of the 7 inorganic ceramic membrane module 4, it is found that the water output of the membrane tube 6 is significantly smaller than that of other membrane tubes If the water output is less, it means that the membrane tube 6 is broken, that is to say, the membrane module is incomplete, and the membrane tube 6 in the inorganic ceramic membrane tube module 4 needs to be replaced.

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Abstract

The invention relates to a detection method of an inorganic membrane assembly and aims to provide a convenient and rapid direct-viewing detection method of an inorganic membrane assembly, in particular to a method used for detecting the integrality of a tube-type inorganic membrane assembly. The method comprises the following steps: pouring liquid from an upper head end of the membrane assembly, and then observing the liquid outflow condition of a lower head end; if the outflow liquid volume of one membrane tube or a plurality of membrane tubes is obviously smaller than that of other membranetubes, or the flowrate of the outflow liquid of one single membrane tube is obviously less than the inflow liquid volume, showing that the membrane tube with the conditions is broken; filling the membrane assembly with the liquid, and applying lather to the upper head end and the lower head end of the assembly membrane tube; enabling gas to enter from one end of a first penetration side of the membrane assembly, sealing a second penetration side, and then observing whether bubbles disappear at seal ring parts of the upper head end and the lower head end of the membrane assembly or not, if thebubbles disappear, showing the seal rings are in poor sealing condition.

Description

technical field [0001] The invention relates to a detection method, in particular to a detection method of an inorganic membrane module. Background technique [0002] Inorganic membranes have been widely valued due to their excellent chemical stability, thermal stability, and high mechanical strength, and have been widely used in many fields such as food, medicine, bioengineering, water treatment, chemical industry, and petrochemical industry. [0003] The inorganic membrane separation element is the inorganic membrane tube, which is mainly composed of three layers: porous carrier, transition layer and active separation layer. In order to ensure the normal use of inorganic membrane elements, the membrane element and the membrane shell are generally used together, so the membrane module came into being. The inorganic membrane tube, the membrane casing and the seal form the inorganic membrane separation module. [0004] The specific application of inorganic membranes is in t...

Claims

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Application Information

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IPC IPC(8): G01M19/00G01M3/14G01M3/08G01M99/00
Inventor 邢卫红陈日志刘飞
Owner JIANGSU JIUWU HITECH
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