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Method for detecting mud-containing shellfish

A technology for sludge and shellfish, which is applied in the preparation of test samples and the analysis of solids using sound waves/ultrasonic waves/infrasonic waves, etc., which can solve problems such as unseen problems

Inactive Publication Date: 2011-05-11
FISHERIES RES INST OF FUJIAN
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  • Abstract
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Problems solved by technology

In China, shellfish purification has just started to appear on the market in the past few years, and there have been no reports of such methods

Method used

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  • Method for detecting mud-containing shellfish
  • Method for detecting mud-containing shellfish

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Embodiment Construction

[0029] For specific embodiments of the present invention, refer to Figure 1 to Figure 2 .

[0030] Basic technological process of the present invention is:

[0031] Initial shellfish harvesting→Washing to remove outer sediment→Temporary maintenance with ultraviolet disinfection water for 1 to 5 days→Spitting out sludge→Rinse with ultraviolet disinfection water

[0032] Manual picking of broken and shell shells → picking by sludge shell screening machine → packaging

[0033] Temporary storage at low temperature.

[0034] refer to figure 1 , the above sludge shell selection machine, including:

[0035] Ultrasonic generator: used to output ultrasonic electrical signals;

[0036] Transducer: It is used to convert the output ultrasonic electrical signal into ultrasonic wave and shoot it to the detected shell, and the ultrasonic echo is converted into an electrical signal by the transducer; the transducer is electrically connected with the ultrasonic generator and the echo sig...

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Abstract

The invention relates to a method for detecting mud-containing shellfish. The invention determines a selection threshold value according to the ratio of an echo-wave value of a mud-containing shellfish individual to an echo-wave value of a mud-free shellfish individual, and compares an ultrasonic echo-wave value of each shellfish individual with the selection threshold value, so as to select out mud-containing shellfish individuals. The method can automatically detect the shellfish by placing the shellfish on an automatic belt conveyer, so as to achieve the purpose of large-batch shellfish selection.

Description

technical field [0001] The invention relates to a method for detecting shellfish, in particular to a method for detecting mud shellfish by using ultrasonic waves. Background technique [0002] Shellfish purification is a safe aquatic product supply project related to the food safety of the people. Shellfish grow in silt, and there is a lot of sludge in their digestive channels. When cooking, they cannot remove all the internal organs of the fish like cooking fish. It must be purified by spitting sand for a period of time before it can be eaten. [0003] But the dead clam shells that are full of silt have their double shells tightly closed during the screening process after purification, so it is difficult for people to find them. They are marketed as purified shellfish, and there are still sludge shellfish in the packaging. , One sludge shellfish can waste a pot of soup. This tarnishes the reputation of decontamination and is a problem with decontamination. It will have ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/04G01N1/28
Inventor 郭明忠许永安林燕张农游远新廖登远杨火盛许清勇
Owner FISHERIES RES INST OF FUJIAN