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Marine seawater instant freezer

A quick-freezing machine and seawater technology, applied in the field of marine fishery, can solve the problems of high power consumption for quick-freezing, increased labor costs, failure to achieve the purpose of quick-freezing, etc., and achieve the effects of reducing energy consumption, shortening the time of quick-freezing, and saving the cost of quick-freezing

Active Publication Date: 2016-11-09
辽宁金丰粮食机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are four deficiencies. One is that quick freezing consumes a lot of power, so high-power refrigeration equipment must be used. Generally, 20 tons of seafood per day needs a refrigeration compressor with a power of about 200KW, otherwise, the purpose of quick freezing will not be achieved; the second is quick freezing. The stage time is relatively long, the output is low, and sometimes it cannot meet the needs; the third is to perform low-temperature quick-freezing in the air environment. Due to the long time, the cells of aquatic products are destroyed, so that the quality and taste of frozen seafood are compared with fresh seafood. Great changes, significantly lower than fresh seafood
In the market, the price of frozen seafood by traditional methods is far lower than that of fresh seafood
Fourth, the entire freezing process has not been automated, and many links are manually operated, which increases labor costs

Method used

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Examples

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Embodiment Construction

[0034] As shown in Figure 1-4, the marine seawater quick-freezing machine is used for quick-freezing seafood on board, and is installed in the cabin or in the cold storage of the cabin, and has a freezing box 2, a water tank 17, a refrigeration unit 3 matched with the freezing box 2 and The hanging basket 1 for containing seafood; the freezing medium for freezing seafood is housed in the freezing box 2; The seafood is put into the water tank 17, and the surface of the seafood is quick-frozen into ice, thereby completing the quick-freezing of the seafood. Preferably, the freezing medium is a liquid freezing medium; the freezing medium is a mixture of seawater and edible ethanol, and the volume fraction of the edible ethanol in the mixture is 5%-15%. Water tank 17 is normal temperature water tank 17, and seawater is housed in. The refrigerating unit 3 adopts a cascade compressor to provide low temperature. The low temperature below -40°C can be obtained by starting the compress...

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Abstract

The invention discloses a marine seawater instant freezer used for instantly freezing marine products on a ship. The marine seawater instant freezer is arranged in a cabin or a refrigeratory of a cabin and provided with a freezing tank, a water tank, a refrigeration unit matched with the freezing tank, a conveying system and a hanging basket used for containing marine products. A liquid freezing medium used for freezing marine products is contained in the freezing tank. The hanging basket containing marine products is arranged in the freezing tank, the marine products is placed into the water tank after being cooled through the freezing medium, the surfaces of the marine products are instantly frozen, and therefore instant freezing of marine products is completed. Energy consumption can be greatly reduced, the purpose of instantly freezing marine products on sea better more rapidly is achieved, and the quality and delicious taste of the marine products can be kept.

Description

technical field [0001] The invention relates to the field of marine fishery, in particular to a marine seawater quick-freezing machine. Background technique [0002] Sea fishing ships go to sea for a long time, and freezing and preservation is an essential means, otherwise, the fished aquatic products will rot quickly at sea. At present, the sea fishing ships all adopt the air quick freezing method to freeze and keep seafood fresh. The freezing process is divided into two stages: the first stage, in the quick freezing warehouse, the air temperature in the warehouse is lowered to about -35°C, and the seafood is placed in the cold storage. Quick freezing in. After the seafood is fully frozen, it is transferred to the second cold storage; in the second stage, the air temperature in the second cold storage is reduced to about -20°C, and the aquatic products are frozen for a long time until they land on the shore and are transported to the market. At present, although the first...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D11/02F25D13/00F25D3/00F25D29/00B66F11/00
CPCF25D3/00F25D11/02F25D13/00F25D29/003F25D29/005B66F11/00
Inventor 姜少华
Owner 辽宁金丰粮食机械制造有限公司
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