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Shell tube type adsorption bed with puncture membrane type adsorption mass tubes

A diaphragm type and adsorbent technology, which is applied in the direction of absorbent/adsorbent, sorption machine, climate change adaptation, etc., can solve the problems of unfavorable heat dissipation, etc., and achieve enhanced methanol vapor flow in and out, simple structure, and enhanced fluid disturbance. Effect

Inactive Publication Date: 2016-02-17
HENAN AGRICULTURAL UNIVERSITY +3
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Problems solved by technology

As the core component of traditional adsorption refrigeration, the adsorption bed is usually composed of two concentric circular tubes (granular activated carbon and methanol are placed between the tubes), which can increase the desorption temperature of the adsorption bed in a short irradiation time, but it is not conducive to cooling the adsorption process. heat dissipation

Method used

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  • Shell tube type adsorption bed with puncture membrane type adsorption mass tubes
  • Shell tube type adsorption bed with puncture membrane type adsorption mass tubes
  • Shell tube type adsorption bed with puncture membrane type adsorption mass tubes

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Experimental program
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Embodiment 1

[0030] A performance simulation test device for the adsorption refrigeration system was built, and the gravimetric method was used to test the adsorption capacity of the granular activated carbon 3 prepared from the sample carbon material for methanol.

[0031] Adsorption is actually a mass transfer process. The adsorbate first contacts the surface of the adsorbent, and then diffuses into the adsorbent to gradually reach the adsorption equilibrium state. The equilibrium adsorption capacity of the system is related to the adsorption temperature, pressure, and the properties of the adsorbent and adsorbate. The size of the adsorption capacity of the adsorbent, usually the adsorption amount when the reaction adsorption reaches the equilibrium state Said. In this test, granular activated carbon 3 prepared from the sample carbon material is used as the adsorbent. At a certain temperature, it contacts with adsorbate (methanol) vapor to cause adsorption reaction. The adsorption speed gr...

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Abstract

A shell tube type adsorption bed with puncture membrane type adsorption mass tubes comprises a shell, and further comprises a metal mesh, activated carbon, heat conduction tubes and the puncture membrane type tubes, all of which are arranged in the shell. The shell is provided with a heat conduction liquid inlet and a heat conduction liquid outlet which are communicated with the two ends of each heat conduction tube respectively. The shell is provided with an air outlet hole, and the metal mesh is arranged on the inner side face of the shell. The diameter of holes in the metal mesh is smaller than the grain diameter of the activated carbon. The heat conduction tubes and the puncture membrane type tubes are arranged in parallel and alternately arranged. The activated carbon is arranged in gaps between the heat conduction tubes and the puncture membrane type tubes. The puncture membrane type tubes are made of membranes and comprise main mass transfer tubes and bypass branch tubes vertically arranged on the main mass transfer tubes. The main mass transfer tubes are provided with mass transfer holes, and the diameter of the mass transfer holes is smaller than the grain diameter of the activated carbon.

Description

Technical field [0001] The invention relates to a solid adsorption refrigeration device, in particular to a shell-and-tube adsorption bed with a puncture membrane-type adsorbent tube. Background technique [0002] Solid adsorption refrigerators are often used as cold sources for vacuum pre-cooling of fruits and vegetables or cold storage for storage. The adsorption refrigeration system does not use chlorofluorocarbon refrigerants CFC and HCFC, and is an environmentally friendly refrigeration method. The adsorption refrigeration system can effectively use low-grade heat energy above 50℃ such as solar energy and industrial waste heat as the driving energy of the system. It has simple structure and easy operation; no moving parts, good vibration resistance; no noise, long service life and operation Advantages of low cost. [0003] The solid adsorption refrigerator is mainly composed of adsorption bed, condenser, evaporator, accumulator, valve and control components (one-way check val...

Claims

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Application Information

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IPC IPC(8): F25B17/08F25B37/00
CPCY02A30/27Y02B30/00
Inventor 刘圣勇刘恩海刘婷婷刘宏伟郭晓颖花聪聪
Owner HENAN AGRICULTURAL UNIVERSITY
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