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Uniform heating gas adsorption performance testing device and method

A technology of gas adsorption performance and testing device, applied in the direction of material absorption and weighing, etc., can solve the problems of temperature difference inside and outside the cylinder, single adsorption capacity representation, etc., and achieve the effects of improved safety, accurate experimental data, and a wide range of heat source selection.

Pending Publication Date: 2022-03-25
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Problems solved by technology

[0010] In order to overcome the deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a uniformly heated gas adsorption performance testing device and method, to provide a gas adsorption device that is heated evenly at a constant temperature and can monitor the change in the mass of reactants in real time to solve the problem. The problem of uniform heating of the existing device, the single indication of adsorption capacity, the problem of temperature difference between the inside and outside of the cylinder and safety problems

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  • Uniform heating gas adsorption performance testing device and method
  • Uniform heating gas adsorption performance testing device and method
  • Uniform heating gas adsorption performance testing device and method

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Embodiment Construction

[0035] The present invention is described in further detail below in conjunction with embodiment.

[0036] Such as figure 1 Shown: A uniformly heated fixed-bed gas adsorption device, specifically including a reactor, a stage, a heating system and a mass weighing system.

[0037] Further, the reactor is a double-layer quartz glass sleeve 3. Firstly, the thermal conductivity of the quartz glass is better. Secondly, the quartz glass has high heat resistance, and the short-term use temperature can reach 1400°C. Therefore, the choice of quartz glass as the reactor can not only reduce the temperature error and energy loss caused by the adsorption process, but also provide an equipment basis for the diversified selection of heat sources and adsorbents.

[0038] The structure of the sleeve 3 is as follows: the double-layer sleeve is a closed sleeve, the upper cover 2 and the lower cover 8 are perforated rubber plugs, the top and bottom side walls of the outer cylinder are designed wi...

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Abstract

A uniformly-heated gas adsorption performance testing device and method comprises a sleeve, the sleeve is a double-layer sleeve and is divided into an outer cylinder and an inner cylinder, a heat source inlet and a heat source outlet are formed in the side walls of the top and the bottom of the outer cylinder, the lower side of the inner cylinder is of a necking structure, and the necking structure is used for horizontally placing a baffle. The miniature force-measuring weighing sensor is arranged on the necking baffle, the sleeve is provided with a thermocouple data line preformed hole and a miniature force-measuring weighing sensor data line preformed hole, the thermocouple data line preformed hole and the miniature force-measuring weighing sensor data line preformed hole penetrate through the outer cylinder, and the miniature force-measuring weighing sensor is provided with a fine sieve plate used for bearing an adsorbent. The gas adsorption device capable of monitoring the mass change of the reactant in real time is used for solving the problems of uniform heating, single adsorption quantity expression, temperature difference between the inside and the outside of the barrel and safety of the existing device.

Description

technical field [0001] The invention belongs to the technical field of laboratory gas adsorption performance testing, in particular to a uniformly heated gas adsorption performance testing device and method. Background technique [0002] Existing gas adsorption devices usually consist of three parts: reactor, stage and electric heating device. The reactor is generally in the shape of a cylinder, mostly composed of stainless steel tubes and quartz tubes; the stage is used to carry the sample, and different specifications of fine sieve plates or quartz wool can be selected according to the particle size; the electric heating device is generally wrapped in a cylinder The external resistance wire is connected with the intelligent thermostat to realize constant temperature or program temperature control. Existing devices have many disadvantages: [0003] First of all, resistance wire heating has the following problems: [0004] 1) Due to the difference in the winding density o...

Claims

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Application Information

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IPC IPC(8): G01N5/02
CPCG01N5/02
Inventor 欧阳的华晏皓昱郭志勇
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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