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A device and method for improving the quality of tidal flat shellfish harvesting

A shellfish and tidal flat technology, applied in application, climate change adaptation, fish farming, etc., can solve problems such as increasing workload and operating costs, affecting the survival rate and product quality of shellfish products, and prolonging the purification time of shellfish products. , to achieve the effect of less stress response

Active Publication Date: 2022-06-03
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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  • A device and method for improving the quality of tidal flat shellfish harvesting
  • A device and method for improving the quality of tidal flat shellfish harvesting
  • A device and method for improving the quality of tidal flat shellfish harvesting

Examples

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Effect test

Embodiment 1

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

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

[0057] Described vibration wheel 2, diameter 50cm, length 25cm; Be fixed to both sides of solid cast iron cylinder 1 or one side of its adjacent vibration wheel 2 by welding or bolting;

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

[0059] Described gear 21, the length of the long side is the same as that of the vibration wheel, which is 25cm, and the length of the wide side is 8-10cm;

[0060] The described 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 ed...

Embodiment 2

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

Embodiment 3

[0067] In May 2020, in the tidal flat shellfish culture sea area of ​​Hekou District, Dongying City, the device in Example 1 was used to collect and capture, including the following steps:

[0068](1) In the process of shellfish harvesting, use a device that improves the quality of tidal flat shellfish product harvesting as the harvesting device. During the rolling process of the rollers, the sample collection port continuously collects sediment samples of different depths in the tidal flat shellfish breeding area. , Through the analysis of the bottom sediment samples collected from different mouths, the proportion of mud and sand in the bottom sediment at different depths in the shellfish culture area, the species and content of microalgae in the sediment, and the species and specifications of shellfish suitable for bottom seeding in the sea area were determined. ;

[0069] In this example, the mud content in the tidal flat substrate is 18%, the sand content is 82%, and the m...

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Abstract

The invention discloses a device and a method for improving the harvesting quality of tidal flat shellfish products. The invention can make the shellfish shrink the adductor muscle to tightly close the shellfish before harvesting, and prevent the shellfish from being suddenly subjected to high pressure during the harvesting process. The impact of the water flow causes the adductor muscle to not contract in time, and the unclosed shell causes mud and sand to enter the shell, resulting in a strong stress response, which directly affects the survival rate and eating taste of the shellfish; at the same time, during the harvesting process of the shellfish, the The device can collect sediment samples from tidal flat shellfish breeding areas, and continuously collect pressure data and vibration frequency data generated by the rolling of the device through pressure sensors and vibration sensors; the application of the shellfish harvesting device of the present invention can reduce shellfish stress response to ensure the quality and quality of harvested shellfish products; according to the substrate conditions of the shellfish farming area, select the suitable bottom-sowed shellfish species and specifications in the sea area; and determine the harvesting strategies for different shellfish varieties and specifications to improve Shellfish Harvesting Quality and Efficiency.

Description

technical field [0001] The invention relates to a shellfish collecting device and method, in particular to a device and method for improving the quality of tidal flat shellfish products, belonging to the technical field of shellfish collecting. Background technique [0002] In recent years, my country's tidal flat shellfish aquaculture industry has developed rapidly. By 2019, my country's tidal flat shellfish breeding area was 584,800 hectares, and the breeding output was 6.1396 million tons. The economic development of the coastal areas has also contributed to the marine shellfish aquaculture industry becoming a major economic industry in the coastal areas, which is of great significance to promoting the growth of my country's total national economy. At the same time of the rapid development of the tidal flat shellfish farming industry, the development of shellfish harvesting methods has been stagnant, resulting in the high sand content of the harvested shellfish products af...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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