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Device and method for evaluating and measuring apparent quality of micro granulated feed of aquatic animal

A technology of micro-granule feed and measuring device, which is applied in the field of evaluation and measuring devices for the apparent quality of aquatic animal micro-granule feed, can solve problems such as discomfort, unsatisfaction, and inability to describe shape retention, etc., and achieves portability, easy operation, and structure simple effect

Inactive Publication Date: 2012-08-08
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there are obvious deficiencies in the above-mentioned methods. If there is no appropriate standard tool, not only cannot describe the shape retention, especially not suitable for micro-pellet feed
Therefore, the above methods and devices cannot meet the current needs and the needs of further industrialization of micro-granule feed in the future.

Method used

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  • Device and method for evaluating and measuring apparent quality of micro granulated feed of aquatic animal
  • Device and method for evaluating and measuring apparent quality of micro granulated feed of aquatic animal
  • Device and method for evaluating and measuring apparent quality of micro granulated feed of aquatic animal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Determination method of particle distribution (dry classification measurement):

[0030] Method for determining the distribution of feed particles with a particle size range of 0.8-1.5mm:

[0031] Weigh 10.0 grams of micro-granule feed, put it into the uppermost layer of the three-layer net frame group with meshes of 100 mesh, 80 mesh, and 40 mesh, cover the stainless steel cover and shake it gently for 5 times, and get the chassis by weighing and the bottom-up three-layer screen frame feed quality are M 1 =1.37g,,M 2 =1.59g, M 3 =2.16, M 4 = 4.88g; according to the distribution array:

[0032] R={100M 1 / G, 100M 2 / G, 100M 3 / G, 100M 4 / G}

[0033] ={100*1.37 / 10, 100*1.59 / 10, 100*2.16 / 10, 100*4.88 / 10}

[0034] ={13.7,,15.9,21.6,48.8}

Embodiment 2

[0036] Determination method of particle distribution (dry classification measurement):

[0037]The method for measuring the distribution of feed particles with a particle size range of 0.2-0.8 mm: Weigh 6.0 grams of micro-particle feed and put it into a three-layer net frame group with meshes of 200 mesh, 150 mesh, and 80 mesh. On the top layer, cover the stainless steel cover and shake it gently for 3 times, and obtain the feed quality of the chassis and the second-layer screen frame from bottom to top through weighing as M 1 = 1.65g, M 2 =1.92, M 3 = 2.43g; according to the distribution array:

[0038] R={100M 1 / G, 100M 2 / G, 100M 3 / G, 100M 4 / G}

[0039] ={100*1.65 / 6, 100*1.92 / 6, 100*2.43 / 6}

[0040] = {27.5, 32, 40.5}

Embodiment 3

[0042] Determination method of micro-pellet feed stability:

[0043] Weigh 10.0g of micro-granule feed, pour it slowly and evenly from the top into the three-layer screen frame group of 150 mesh, 100 mesh, and 80 mesh, and cover the stainless steel cover; , Gently drag it left and right twice, soak for 20 minutes, take it out; dry it completely at 105°C, weigh and get the weight of each screen frame feed from bottom to top, respectively 0.25g, 1.02g, 3.21g, according to the stability The formula expresses the total dissolution rate of each layer of screen frames with different meshes:

[0044] The total stability of this kind of microparticle feed, that is, about the stability of 150 mesh:

[0045] W=1-total dissolution rate=(m 1 +m 2 +m 3 ) / G*100%

[0046] =(0.25+1.02+3.21) / 10*100%=44.8%;

[0047] About 100 purpose stability:

[0048] W 2 =1-100 mesh dissolution loss rate=(m 2 +m 3 ) / G*100%

[0049] =(1.02+3.21) / 10*100%=42.3%;

[0050] About 80 purpose stability: ...

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Abstract

The invention relates to a device and a method for evaluating and measuring the pulverization rate and stability of micro granulated feed of aquatic animals. The device is tightly buckled by two to six monomer stainless steel sieves; sieve pores have different apertures (decreasing gradient) and can be provided with a cover; and a tray can be additionally arranged at the bottom according to the requirement. The purpose of observing the physical character of the feed can be achieved according to the micro granulated feed. The invention has reasonable structure and low cost, and can conveniently and accurately measure and compare the pulverization rate and stability of micro granulated feed of aquatic animals.

Description

technical field [0001] The invention relates to an evaluation and measurement device and method for the apparent quality of aquatic animal microparticle feed. Background technique [0002] For pellet feed, there is often a problem of pulverization rate (part of the product is powdery, which does not meet the pellet feed standard). The pulverization rate is a physical characteristic of the feed product itself. The proportion of powdered feed in the pellet feed directly reflects the quality of the feed. Usually, the pulverization rate of high-quality feed products is very low. As for the micro-pellet feed, there is no standard on the pulverization rate. Since the particles are tiny, and the tiny particles have different particle size distributions, it is impossible to absolutely describe the pulverization, so it is very meaningful to describe the distribution ratio of the particle size. There is an urgent need to design a method that can describe the distribution of differen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/02G01N33/00
Inventor 傅泽田刘峰张小栓刘春娥
Owner CHINA AGRI UNIV
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