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A vertical animal gastrointestinal bionic digester

A technology of bionic digestion and gastrointestinal tract, applied in the direction of instruments, scientific instruments, measuring devices, etc., can solve the problems of dialysis bag blockage, easy sticking, leakage of reaction solution, etc., improve accuracy and stability, and solve degradation problems , Reduce the effect of stirring dead angle

Active Publication Date: 2018-04-24
HUNAN ZHONGBEN INTELLIGENT TECH DEVCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above mentioned dialysis tubes are used as the device for bionic digestion of the gastrointestinal tract of animals, but the dialysis tubes are placed horizontally in an air bath shaker or a water bath shaker to simulate the digestion process, and it is easy to produce gas during the digestion process of feed materials in the dialysis tube. As a result, the rubber plug at the end of the bionic digestion tube falls off and the reaction solution leaks out. Secondly, during the bionic digestion process, the digested sample is easy to stick to the dialysis bag, which leads to the blockage of the dialysis bag, which affects the quality of feed samples. Digestion effect; in addition, dialysis bags are easily degraded by cellulase in the bionic digestion simulation solution, and the animal gastrointestinal bionic digestion device is not suitable for simulating bionic digestion reactions containing cellulase, and its scope of application is limited

Method used

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  • A vertical animal gastrointestinal bionic digester
  • A vertical animal gastrointestinal bionic digester
  • A vertical animal gastrointestinal bionic digester

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] refer to Figure 1~3 , a kind of vertical animal gastrointestinal tract bionic digester of the present embodiment comprises a motor 9, a connecting shaft sleeve 8, a height-adjusting transmission rod 5, a stirring rod 3 and a simulated digestive tube; the connecting shaft sleeve 8 is sleeved on the motor 9. On the output shaft, it rotates synchronously with the motor 9; the top end of the height-adjusting transmission rod 5 is socketed and fixed in the chute 7 below the connecting shaft sleeve 8 through the screw rod 6, so that the height-adjusting transmission rod 5 can be connected to the connecting shaft sleeve. 8 to move up and down; the height-adjusting transmission rod 5 is provided with a lock nut 4 for adjusting the degree of locking between the height-adjusting transmission rod 5 and the stirring rod 3; the simulated digestive tube is a double-layer hollow Vertical glass tube; the stirring rod 3 is installed in the inner chamber of the simulated digestion tube,...

Embodiment 2

[0039] refer to Figure 4~7 Compared with the bionic digester for the vertical animal gastrointestinal tract of Example 1, the bionic digester for the vertical animal gastrointestinal tract of this embodiment has the following differences:

[0040] refer to Figure 4 , the vertical animal gastrointestinal tract bionic digester also includes a fixed bracket and a vertical glass tube fixing clamp 21, and the fixed bracket is composed of a bottom plate 22, a lower shelf plate 23, a back plate 19, a side plate 20 and a support plate 18 , the bottom plate 22 is fixedly connected with the lower shelf plate 23; the lower shelf plate 23 is formed by bending a metal plate, including a horizontal fixed plate and two vertical vertical plates, the two vertical plates are located below the horizontal fixed plate, and It is integrally connected with the left and right ends of the horizontal fixing plate; the lower end of the vertical plate is bent upwards to form a fixing block, and the fi...

Embodiment 3

[0045] refer to Figure 8 Compared with the bionic digester for the vertical animal gastrointestinal tract of Example 2, the bionic digester for the vertical animal gastrointestinal tract of this embodiment has the following differences:

[0046] The ventilation holes 24 on the back plate 19 are rectangular.

[0047] Taking the digestion of the stomach and small intestine of an animal as an example, the working principle and usage method of a vertical animal gastrointestinal tract bionic digester of the present invention will be further described.

[0048] The working principle and usage method of a vertical animal gastrointestinal tract bionic digester of the present invention are as follows: the feed sample is loaded into the glass inner tube 13, and the gastric simulated digestive juice and gastric buffer are injected into the glass inner tube 13 through the enzyme adding tube 12 Then, the input pipe 14 and the output pipe 2 of the simulated digestion pipe are communicated...

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Abstract

The invention relates to a vertical type animal gastrointestinal bionic digester, which comprises a motor, a connecting shaft sleeve, a heightening transmission rod, a stirring rod and a simulated digestive tract, wherein the connecting shaft sleeve is sleeved on an output shaft of the motor and synchronously rotates along with the motor, and the top end of the heightening transmission rod is fixedly sleeved in a sliding chute below the connecting shaft sleeve by a screw rod, so that the heightening transmission rod can move up and down in the connecting shaft sleeve; a locking nut is arranged on the heightening transmission rod and is used for adjusting the locking degree of the heightening transmission rod and the stirring rod, and the simulated digestive tract is a double-layer hollow vertical glass tube; the stirring rod is arranged in an accommodating cavity of the simulated digestive tract, and the top end of the stirring rod penetrates through a sealing plug at the top of the simulated digestive tract and is connected with the bottom end of the heightening transmission rod. The vertical type animal gastrointestinal bionic digester provided by the invention has the advantages of simple structure, convenience in use, avoidance of leakage of a bionic digestion reaction liquid, high accuracy and good repeatability of digestion simulation, and small errors; the degradation difficulty of cellulose on a dialysis bag in the existing simulated digestive tract in a bionic digestion reaction is effectively solved.

Description

technical field [0001] The invention relates to a device for bionic digestion experiments, in particular to a vertical bionic digester for the gastrointestinal tract of animals. Background technique [0002] In the modern aquaculture industry, objectively and accurately assessing the nutrient biological value of feed ingredients is the main decision-making basis for determining animal nutritional requirements and optimizing feed formulations. Since the 1960s, people have been trying to quickly evaluate the biological potency of feed nutrients by simulating the digestion of feed in the gastrointestinal tract of animals under in vitro conditions. [0003] In the prior art, triangular flasks or test tubes are usually used as bionic digestion devices for the gastrointestinal tract. When conducting simulated digestion experiments, first put a certain weight of feed into the triangular flask or test tube, then add simulated gastric juice or intestinal juice into the triangular fl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00G01N35/00G09B23/36
CPCG01N33/00G01N35/00G09B23/36
Inventor 邓耀辉陈开宇李敏彭建伟
Owner HUNAN ZHONGBEN INTELLIGENT TECH DEVCO
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