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Binary ice preparation method and device thereof

An ice slurry and ice storage technology, which is applied in ice making, ice making, lighting and heating equipment, etc., to achieve the effect of fewer moving parts, lower energy consumption, and easy operation and maintenance.

Inactive Publication Date: 2011-05-18
SHANGHAI MARITIME UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The first aspect of the purpose of the present invention is to propose a binary ice preparation method with high ice-making efficiency, good ice-making effect, simple use device and low energy consumption, so as to solve the above-mentioned problems existing in the existing binary ice preparation method

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  • Binary ice preparation method and device thereof
  • Binary ice preparation method and device thereof
  • Binary ice preparation method and device thereof

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Embodiment Construction

[0034] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0035] see figure 1 . A nozzle 7 is provided at the center of the top of the vacuum chamber 1 . Nozzle 7 links to each other with the outlet of water pump 3 by connecting pipeline, and filter device 12 is housed on the connection pipeline between the outlet of water pump 3 and nozzle 7, and filter device is 50 purpose T-type filters. The inlet of the water pump 3 is connected with the outlet of the water supply tank 2 through a connecting pipe. The inlet of the water supply tank 2 is connected with a water source (not shown in the figure) through a water supply pipe. A pre-cooling coil 6 is arranged in the water supply tank 2 . The inlet of the pre-cooling coil 6 is connected to the gas-liquid separator of the condensing unit 4 through the con...

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Abstract

The invention relates to a preparation method of binary ice and further relates to a device for realizing the method. The preparation method of the binary ice is as follows, water for preparing the binary ice is sprayed in a vacuum chamber, the formed small water droplets generate a flash evaporation phenomenon in the vacuum chamber; water vapor is formed by carrying out the flash evaporation and heat absorption of a small part of the small water droplets, the other majority of the water droplets are simultaneously solidified to ice for forming the binary ice to be accumulated at the bottom part of the vacuum chamber; a water catching device is used for catching the water vapor which is formed by the flash evaporation; and a vacuum pump is used for pumping out a small amount of gas which is not condensed and infiltrates the vacuum chamber during the ice making process. The device of the invention has high thermal efficiency, simple device structure, convenient operation, low energy consumption and is less liable to occur ice blockage; and the problem of thermal resistance of an ice layer of the traditional ice making mode is solved.

Description

technical field [0001] The invention relates to a method for preparing binary ice, and also relates to a device for realizing the method. Background technique [0002] Binary ice refers to a mixture of certain types of aqueous solution and ice crystal particles. It is a slurry-like suspension that has good fluidity and can be pumped. It is also commonly called "ice slurry". Since the binary ice contains ice crystal particles, it will absorb a large amount of melting heat when the ice crystals melt (the melting heat of ice is about 335kJ / kg), which increases the heat capacity per unit volume of the fluid. At the same time, studies have shown that under a certain ice content, binary ice can act as a drag reducer to some extent, and its resistance loss in the pipeline per unit length is smaller than that of water, thereby reducing the pump’s power consumption. Therefore, binary ice is a promising cooling medium. [0003] In recent years, the production, research and applicat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25C1/16
CPCY02P60/85
Inventor 章学来叶金葛轶群吕磊磊盛青青杨培莹
Owner SHANGHAI MARITIME UNIVERSITY
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