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multistage adsorption refrigeration method

A refrigeration method and adsorption refrigeration technology, which is applied in the field of multi-stage adsorption refrigeration of adsorption refrigeration equipment, and can solve the problems affecting the overall adsorption capacity of adsorption equipment, refrigeration equipment refrigeration capacity, etc.

Active Publication Date: 2021-03-30
NINGBO UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Thus affecting the overall adsorption capacity of the adsorption equipment and the cooling capacity of the refrigeration equipment

Method used

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Embodiment Construction

[0012] Below, refer to the attached figure 1 The multi-stage adsorption refrigeration method of the adsorption refrigeration equipment of the present invention is described,

[0013] Such as figure 1 As shown, in the refrigeration method of the present invention, the adsorption refrigeration equipment 1 is a waste heat source heat pump capable of cooling or heating in a building or cooling and heating in different spaces at the same time. The heat pump includes a high-temperature heat source 2, an adsorption refrigerator and an air-conditioning terminal 3, wherein the adsorption refrigerator includes a first adsorption device 4, a second adsorption device 5, a first heat exchange device 6, a second heat exchange device 7, and a third heat exchange device. Thermal equipment 8, first to fourth four-way valves 9 to 12, and multiple valves and temperature sensors 17 to 22.

[0014] The adsorption refrigerator includes two adsorption beds A and B, wherein the first adsorption bed...

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Abstract

A multi-stage adsorption refrigeration method, which includes a first adsorption device and a second adsorption device, the primary adsorber, the secondary adsorber, and the tertiary adsorber arranged in parallel in the first and second adsorption devices are configured to be filled with The porous adsorption material, the refrigerant pipe passing between the particles of the porous adsorption material, wherein the space ratio between the particles of the porous adsorption material in each adsorber increases linearly along the flow direction of the refrigerant relative to the pressure drop of the refrigerant pipe, thus The insides of the first and second adsorption devices are moved upward along the refrigerant flow, and the actual adsorption capacities of the adsorbers at all levels are the same. According to the temperature difference between the inlet and outlet of the refrigerant at the end of the air conditioner, the refrigeration method accurately selects the adsorber that needs to participate in the adsorption, so as to improve the energy efficiency of the system, reduce the cost of the system, and reduce the replacement process and frequency of adsorption materials.

Description

technical field [0001] The disclosure relates to a refrigeration method for refrigeration equipment, in particular to a multi-stage adsorption refrigeration method for adsorption refrigeration equipment with cooling adsorption and heating desorption. Background technique [0002] With the continuous development of adsorption refrigeration systems, there are more and more types of improvements in adsorption refrigeration systems, including adsorption air conditioners / heat pumps, solar adsorption refrigerators, adsorption ice machines and so on. The metal heat capacity and fluid heat capacity of the adsorption refrigeration equipment have a great influence on the performance COP of the adsorption refrigeration system. [0003] The existing adsorption refrigeration system generally adopts two adsorption machines, one evaporator and one condenser, throttle valve and so on. When one adsorption device communicates with the condenser and is heating and desorbing, the other adsorpt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B17/08F25B37/00F25B41/20F25B49/04
CPCF25B17/083F25B37/00F25B49/046F25B2315/006F25B2700/21F25B41/20Y02B30/62Y02A30/27Y02B30/00
Inventor 吴少群袁红星张永平安鹏余辉晴
Owner NINGBO UNIVERSITY OF TECHNOLOGY