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Multistage adsorption refrigeration method

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

Active Publication Date: 2019-04-02
NINGBO UNIVERSITY OF TECHNOLOGY
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  • 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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  • Multistage adsorption refrigeration method
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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

The invention provides a multistage adsorption refrigeration method. The method comprises a first adsorption equipment and a second adsorption equipment, the first adsorption equipment and the secondadsorption equipment are provided with a first-stage adsorber, a second-stage adsorber and a third adsorber in parallel mode, wherein the first-stage adsorber, the second-stage adsorber and the third-stage adsorber are configured to be filled with porous adsorption materials; refrigerant pipes penetrate through the porous adsorption material particles, wherein the space rate between the particlesof the porous adsorption materials in each adsorber is linearly increased relative to the pressure drop of the refrigerant pipes along the flow direction of the refrigerant, so that in the interior ofthe first adsorption equipment and the second adsorption equipment, the actual adsorption capacity of the adsorber at each stage is the same in the refrigerant flow direction. According to the refrigerating method, the adsorber needing to participate in adsorption is accurately selected according to the temperature difference of the refrigerant inlet and outlet of the air conditioner terminal, sothat the energy efficiency of the system can be improved, the system cost is reduced, and the replacement procedure and the number of times of the adsorption material are reduced.

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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IPC IPC(8): F25B17/08F25B37/00F25B41/04F25B49/04F25B41/20
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