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Liquid adsorbent testing method

A technology of liquid adsorbent and testing method, which is applied in the direction of electromagnet, material absorption weighing, electromagnetic circuit device, etc., which can solve the problems of weighing result error, affecting the stability of the electromagnet magnetic field, etc., and achieve the effect of stabilizing the working current

Pending Publication Date: 2019-03-08
JINHUA VOCATIONAL TECH COLLEGE
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  • Description
  • Claims
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Problems solved by technology

The weighing method is a common method for studying the adsorption process. It studies the characteristics of its adsorption capacity and density by weighing the weight of a certain mass of adsorbent before and after adsorption. However, in the prior art, the attraction force between magnets To achieve non-contact weighing of the sample, the current of the electromagnet is provided by a DC power supply, and the fluctuation of the output current of the DC power supply greatly affects the stability of the magnetic field generated by the electromagnet, thereby causing an error in the weighing result. A liquid sorbent test method can solve the problem

Method used

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Embodiment Construction

[0038] Such as figure 1 It is a schematic diagram of the present invention, and xyz is a three-dimensional space coordinate system, including a microbalance (1), a suspension rod (2), an electromagnet (3), a test chamber (4), an air vent I (5), a permanent magnet (6), Steel wire (7), displacement sensor (8), induction coil (9), standard sample (10), support position I (11), tray I (12), bracket (13), tray II (14), support Position II (15), connecting pipe (16), sample chamber (17), air pipe I (18), air pipe II (19), vent II (20), light source (21), camera (22), voltage divider resistor (23), DC power supply (24), feedback circuit (25), computer (26) and displacement platform (27), microbalance (1) connects computer (26), feedback circuit (25) connects computer (26), test The cavity (4) includes cavity I (4-1) and cavity II (4-2) connected from top to bottom, the position of the microbalance (1) is fixed, and the electromagnet (3) is connected to the microbalance through the s...

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Abstract

The invention relates to the technical field of adsorbent related gas adsorption and desorption, in particular to a liquid adsorbent testing method. A liquid adsorbent testing device comprises a microbalance, a suspension rod, an electromagnet, a testing cavity, a vent port I, a permanent magnet, a steel wire, a displacement sensor, an induction coil, a standard sample, a support I, a tray I, a bracket, a tray II, a support II, a connection tube, a sample cavity, a gas tube I, a gas tube II, a vent port II, a light source, a camera, a divider resistor, a direct-current power source, a feedbackcircuit, a computer and a displacement stage. By combination of the simple-structure feedback structure and the direct-current power source, stable current is provided for the electromagnet so as toreduce errors in an adsorbent weighing process and improve accuracy of results. By adoption of a special gas inlet structure, the shape of a single bubble in a liquid adsorbent can be observed and recorded, application to research on interaction between gas and the liquid adsorbent is realized, and the liquid adsorbent research can be realized according to a weighing method.

Description

technical field [0001] The invention relates to the technical field of gas adsorption and desorption related to adsorbents, in particular to a method for testing liquid adsorbents that combines magnetic weighing and optical detection to study the characteristics of gases in liquid adsorbents . Background technique [0002] Adsorption is an important chemical operation process, which is widely used in petroleum, chemical industry, metallurgy, food, medicine and other fields. Its basic principle is to make the flowing gas or liquid contact and interact with the adsorbent, so that Part of the components are adsorbed by the adsorbent, so as to achieve the purpose of separating the gas or liquid to be adsorbed. The adsorbent can be liquid or solid, and can be a stationary phase or a mobile phase. The weighing method is a common method for studying the adsorption process. It studies the characteristics of its adsorption capacity and density by weighing the weight of a certain mas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/02H01F7/06
CPCH01F7/064G01N5/02
Inventor 张向平方晓华赵永建
Owner JINHUA VOCATIONAL TECH COLLEGE
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