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A seawater flake ice machine evaporator

A flake ice machine and evaporator technology, used in evaporator/condenser, ice making, ice making, etc., can solve problems such as the shape of vulnerable aquatic products, death, and the increased fuel consumption of sailing with ice cubes on board

Active Publication Date: 2016-05-25
FUJIAN SHENGRONG MARINE EQUIP MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the traditional marine fishing boats use freshwater ice blocks to be crushed on the shore and spread on the aquatic products. The disadvantages of this method are: the price of freshwater ice is expensive; The loss rate is high, it is easy to damage the shape of aquatic products, accelerate the death of aquatic products, and reduce the fresh-keeping quality of aquatic products
However, the cooling efficiency of this ice maker is still low
For those of ordinary skill in the art, if they want to increase the ice production capacity of the ice machine, they often adopt a compressor with a higher power and / or increase the heat exchange area of ​​the ice machine evaporator, or increase the amount of refrigerant The cross-sectional area of ​​the flow channel is used to achieve the goal, that is, to increase the cooling capacity at the expense of consuming more energy or cost, but the ice-making efficiency is often not improved.

Method used

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  • A seawater flake ice machine evaporator
  • A seawater flake ice machine evaporator
  • A seawater flake ice machine evaporator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] combine figure 1 with image 3 , an evaporator for a seawater flake ice machine, comprising an inner cylinder 1 and an outer cylinder 2, an annular cavity 5 is formed between the inner cylinder 1 and the outer cylinder 2, and an annular stepped ascending passage is arranged in the annular cavity 5 to form a refrigeration chamber 9. The cavity 9 is divided into two sections from top to bottom by a partition 100, and a refrigerant outlet 8 is provided on the outer cylinder wall 20 corresponding to the lower part of each section, and a refrigerant inlet 7 is provided on the corresponding outer cylinder wall 20 at the upper part, forming The ratio of the height H to the width L of the cross-section of the annular ascending channel of the refrigeration chamber 9 is 1:1.1.

[0024] During the working process, the refrigerant enters the refrigeration chamber 9 from the refrigerant inlet 7, flows in the refrigeration chamber 9, and flows out from the refrigerant outlet 8; at t...

Embodiment 2

[0026] The difference from Embodiment 1 is that the refrigeration chamber 9 is divided into three sections from top to bottom by the partition plate 100, and the outer cylinder wall 20 corresponding to the lower part of each section is provided with a refrigerant outlet 8, and the outer cylinder wall 20 corresponding to the upper part There is a refrigerant inlet 7 (such as figure 2 As shown), the ratio of the height H to the width L of the cross-section of the annular ascending channel forming the refrigeration chamber 9 is 1:1.35.

Embodiment 3

[0028] The difference from Embodiment 1 is that there is no partition 100 in the refrigeration chamber 9, and only a refrigerant inlet 7 is provided on the outer cylinder wall 20 corresponding to the lower part of the refrigeration chamber 9, and a refrigerant inlet 7 is provided on the corresponding outer cylinder wall 20 at the upper part of the refrigeration chamber 9. Exit 8 (eg Figure 5 shown), wherein the refrigerant outlet 8 communicates with the pre-cooling chamber. The ratio of the height H to the width L of the cross-section of the annular ascending channel forming the refrigeration chamber 9 is 1:1.7.

[0029] In order to embody the remarkable technical effect of the present invention in terms of ice-making efficiency, the inventor also adopted the ratio of the height H and the width L of the cross-section of the annular ascending channel forming the refrigeration cavity 9 in three prior art (specifically 1 :0.3, 1:0.7 and 1:0.85, other conditions are the same as ...

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Abstract

The invention provides an evaporator for a seawater slice ice machine. The evaporator comprises an inner tube and an outer tune, wherein an annular cavity is formed between the inner tube and the outer tube, an annular ascending channel is arranged in the annular cavity so as to form a refrigerating cavity, the wall of the outer tube at the annular cavity is respectively provided with a refrigerant inlet and a refrigerant outlet, and the ratio of the height to width of the cross section of the annular ascending channel forming the refrigerating cavity is 1:1.2-1.7. According to the invention, a conventional thinking mode is broken through, and a technical consideration that the ratio of the height to width of the cross section of the annular ascending channel forming the refrigerating cavity is reduced is adopted, thereby greatly improving the ice making efficiency of the evaporator for the seawater slice ice machine, and saving the ice making cost.

Description

technical field [0001] The invention relates to a refrigeration device, in particular to an evaporator of a seawater flake ice machine. Background technique [0002] Most of the traditional marine fishing boats use freshwater ice blocks to be crushed on the shore and spread on the aquatic products. The disadvantages of this method are: the price of freshwater ice is expensive; The loss rate is high, it is easy to hurt the shape of aquatic products, accelerate the death of aquatic products, and reduce the fresh-keeping quality of aquatic products. With the vigorous development of marine fishery, various seawater ice-making equipments have also appeared. However, these ice-making equipments still have many problems such as low refrigeration performance, low heat exchange efficiency, and easy deterioration of aquatic products. [0003] The Chinese patent with the authorized notification number CN2622638Y discloses a spiral evaporator for an ice machine. The evaporator has two ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25C1/12F25B39/02
Inventor 肖荣
Owner FUJIAN SHENGRONG MARINE EQUIP MFG
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