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Method for improving yield of shelled artemia cysts

A technology of artemia eggs and yield, applied in the field of human Artemia eggs, can solve problems such as affecting drying and yield, drying machine sticking group, increasing time cost and energy cost of drying machine, etc., so as to reduce drying Time, lower production cost, low price effect

Inactive Publication Date: 2019-08-23
ENG TECH INST CO LTD OF CNSIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention aims to propose a method to improve the yield of shelled Artemia eggs, so as to solve the existing method of using a dryer to cause sticking and clumping, affecting drying and yield or increasing the time without using a dryer Issues such as costs and energy costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Step 1 Soak 100 kg of Artemia eggs in fresh water for 1 hour to make them swell and round after absorbing water.

[0033] Step 2: After the Artemia eggs fully absorb water, shell them with a sodium hypochlorite solution with 10% available chlorine, and wait until the color of the Artemia eggs changes from brown to off-white, and finally turns orange, indicating that the shells have been completely removed.

[0034] Step 3 After the shelling is completed, the shelled Artemia eggs are collected and washed with fresh water, and then the shelled Artemia eggs are immersed in 2 g / L sodium thiosulfate solution to remove residual chlorine.

[0035] Step 4: Pack the shelled Artemia eggs into a 100-mesh mesh bag, and dry them with a centrifuge at 1500 rpm, for 3 minutes in this example.

[0036] Step 5 Add ceramsite with a diameter of 20 mm to the shelled artemia eggs after centrifugation and drying at a rate of 5%, and stir evenly.

[0037] Step 6: Dry the shelled Artemia eggs ...

Embodiment 2

[0040] Step 1 Soak 100 kg of Artemia eggs in fresh water for 1 hour to make them swell and round after absorbing water.

[0041] Step 2: After the Artemia eggs fully absorb water, shell them with a sodium hypochlorite solution with 10% available chlorine, and wait until the color of the Artemia eggs changes from brown to off-white, and finally turns orange, indicating that the shells have been completely removed.

[0042] Step 3 After the shelling is completed, the shelled Artemia eggs are collected and washed with fresh water, and then the shelled Artemia eggs are immersed in 2 g / L sodium thiosulfate solution to remove residual chlorine.

[0043] Step 4: Pack the shelled Artemia eggs into a 100-mesh mesh bag, and dry them with a centrifuge at 1500 rpm, for 3 minutes in this example.

[0044] Step 5 Add 10% of the shelled artemia eggs after centrifugal drying to ceramsite with a diameter of 20mm and stir evenly.

[0045] Step 6: Dry the shelled Artemia eggs mixed with the cer...

Embodiment 3

[0048] Step 1 Soak 100 kg of Artemia eggs in fresh water for 1 hour to make them swell and round after absorbing water.

[0049] Step 2: After the Artemia eggs fully absorb water, shell them with a sodium hypochlorite solution with 10% available chlorine, and wait until the color of the Artemia eggs changes from brown to off-white, and finally turns orange, indicating that the shells have been completely removed.

[0050] Step 3 After the shelling is completed, the shelled Artemia eggs are collected and washed with fresh water, and then the shelled Artemia eggs are immersed in 1 g / L sodium thiosulfate solution to remove residual chlorine.

[0051] Step 4: Pack the shelled Artemia eggs into a 100-mesh mesh bag, and dry them with a centrifuge at 1500 rpm, for 3 minutes in this example.

[0052] Step 5 Add 10% of the shelled artemia eggs after centrifugation and drying to ceramsite with a diameter of 15mm and stir evenly.

[0053] Step 6: Dry the shelled Artemia eggs mixed with ...

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Abstract

The invention provides a method for improving the yield of shelled artemia cysts. According to the method, the shelled artemia cysts are treated by using particles. The method specifically includes the steps that ceramsite with the diameter of 10-20 mm is added into the shelled artemia cysts in the proportion of 5-10%; the shelled artemia cyst raw material mixed with the particles is dried througha drying machine until the water content of the shelled artemia cysts is reduced to 10-13%; the dried shelled artemia cysts are screened through a 80-mesh vibrating screen, and the shelled artemia cysts with the dispersed particles can be obtained. The particles can absorb part of water, adhesion and aggregation can be reduced through vibration and collisions between the particles and the shelledartemia cysts, and therefore the aims of shortening the drying time and improving the yield are achieved. Meanwhile, the particles can be repeatedly used. The method is easy to operate, low in cost and capable of developing other application of low-hatching-rate artemia cysts, and has important significance for expanding the profit of production units.

Description

technical field [0001] The invention belongs to the technical field of human Artemia eggs, and in particular relates to a method capable of improving the yield of shelled Artemia eggs. Background technique [0002] Artemia eggs with too low hatching rate have no hatching significance, but the eggs still contain rich protein, fat, carotenoids and other nutrients, and can be widely used in marine fish, prawns, ornamental fish and other cultured animals to partially replace Artemia nauplii and pellet feed. Because egg shells are not easily digested by aquatic organisms, they need to be dried and processed into dry products before they can be stored for a long time. [0003] The egg membranes exposed after shelling Artemia eggs are sticky. Drying in a dryer will produce sticky clumping, which affects drying and yield. The yield is only about 70%, which increases time and energy costs and reduces production units. income. Contents of the invention [0004] In view of this, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K40/00A23K10/22
CPCA23K40/00A23K10/22
Inventor 张礼
Owner ENG TECH INST CO LTD OF CNSIC
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