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Device and method for improving fishing quality of mudflat shellfish products

A shellfish and tidal flat technology, applied in the field of shellfish harvesting, can solve the problems of increasing workload and operating costs, affecting the survival rate and product quality of shellfish products, prolonging the purification time of shellfish products, etc., and achieving a small stress response Effect

Active Publication Date: 2021-06-15
山东省海洋科学研究院青岛国家海洋科学研究中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While the tidal flat shellfish farming industry is developing rapidly, the development of shellfish harvesting methods has stagnated. As a result, the quality of the harvested shellfish products has been affected by the high sand content in the body, resulting in prolonged purification time of shellfish products. While increasing the workload and operating costs, it also affects the survival rate and product quality of shellfish products

Method used

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  • Device and method for improving fishing quality of mudflat shellfish products
  • Device and method for improving fishing quality of mudflat shellfish products
  • Device and method for improving fishing quality of mudflat shellfish products

Examples

Experimental program
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Effect test

Embodiment 1

[0055] The device for improving the quality of tidal flat shellfish harvesting in this embodiment, wherein:

[0056] The central cylinder 1 has a diameter of 50 cm and a length of 1.5 meters;

[0057] The vibration wheel 2 has a diameter of 50 cm and a length of 25 cm; it is fixed to both sides of the solid cast iron cylinder 1 or one side of the vibration wheel 2 next to it by welding or bolting;

[0058] The main body (consisting of a central cylinder and a vibrating wheel) has an overall diameter of 50 cm and a length of 2.5 meters;

[0059] Described file 21, the length of long side and vibrating wheel is identical, is 25cm, and the length of wide side is 8-10cm;

[0060] The pentagonal cast iron ball 22 is a solid cast iron ball with a side length of 8-10cm and a length of 20cm;

[0061] For the roller, the diameter of the outer ring is 100cm, the diameter of the inner ring is 50cm, the width of the inner side is 25cm, and the vertical distance from the inner side to th...

Embodiment 2

[0065] The device for improving the harvesting quality of tidal flat shellfish products in this embodiment is the same as that in Embodiment 1 except that the material of the anti-rust layer of the roller and the anti-rust layer is pure acrylic emulsion.

Embodiment 3

[0067] In May 2020, in the tidal flat shellfish breeding sea area of ​​Hekou District, Dongying City, the device in Example 1 was used for harvesting, including the following steps:

[0068](1) In the process of shellfish harvesting, use a device that improves the quality of tidal flat shellfish harvesting as the harvesting device, and the sample collection port continuously collects sediment samples at different depths in the tidal flat shellfish breeding area during the rolling process of the roller , through the analysis of bottom mud samples from different collection ports, the proportion of mud and sand content in bottom mud and the type and content of microalgae in bottom mud at different depths in shellfish farming areas are studied to determine the types and specifications of shellfish suitable for bottom sowing in this sea area ;

[0069] In this embodiment, the mud content in the tidal flat bottom is 18%, the sand content is 82%, and the types of microalgae are mainl...

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Abstract

The invention discloses a device and method for improving the fishing quality of mudflat shellfish products, which can enable shellfish to contract adductor muscles in advance to close shells before harvesting, and prevent the situations that the adductor muscles are not contracted in time due to sudden impact of high-pressure water flow in the shellfish harvesting process, the shells are not closed, mud and sand are poured into shellfish bodies, a strong stress reaction is caused, and the survival rate and the eating taste of the shellfish are directly influenced. Meanwhile, in the shellfish harvesting process, the device can collect a bottom mud sample of a mudflat shellfish culture area, and pressure data and vibration frequency data generated by rolling of the device are continuously collected through a pressure sensor and a vibration sensor. By applying the shellfish catching device, the stress reaction of shellfish can be reduced, and the quality of collected shellfish products is guaranteed. According to the substrate condition of the shellfish culture area, the variety and specification of shellfish suitable for bottom sowing in the sea area are selected. Catching strategies for different shellfish varieties and specifications are determined, and the shellfish catching quality and efficiency are improved.

Description

technical field [0001] The invention relates to a shellfish harvesting device and method, in particular to a device and method for improving the harvesting quality of tidal flat shellfish products, and belongs to the technical field of shellfish harvesting. Background technique [0002] In recent years, my country's tidal flat shellfish farming industry has developed rapidly. By 2019, the tidal flat shellfish farming area in my country was 584,800 hectares, and the aquaculture output was 6.1396 million tons. The economic development of coastal areas has also contributed to the sea shellfish farming industry becoming a major economic industry in coastal areas, which is of great significance to the growth of my country's national economic aggregate. While the tidal flat shellfish farming industry is developing rapidly, the development of shellfish harvesting methods has stagnated. As a result, the quality of the harvested shellfish products has been affected by the high sand co...

Claims

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Application Information

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IPC IPC(8): A01K80/00
CPCA01K80/00Y02A40/81
Inventor 孙铭胡凡光荆圆圆刘广斌张天文刘恩孚
Owner 山东省海洋科学研究院青岛国家海洋科学研究中心
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