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Benthic diatom cultivating device

A benthic diatom and culture system technology, applied in biochemical cleaning devices, enzymology/microbiology devices, biochemical instruments, etc., can solve the problems of large production system area, low water utilization rate, and low utilization rate , to achieve the effect of saving ventilation energy, high utilization rate of water body, and convenient processing and installation

Active Publication Date: 2017-05-17
YANTAI UNIV
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  • Claims
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AI Technical Summary

Problems solved by technology

The benthic diatoms are cultivated with corrugated plates. The corrugated plates are placed at the bottom of the water body. The production system occupies a large area and the utilization rate of the water body is low. The light and nutrients are greatly restricted, and they are easily affected by the weather. Suitable temperature and light; light energy and CO 2 The utilization rate is not high, and high-density cultivation cannot be realized; the cultivation process is polluted by protozoa and miscellaneous bacteria
These factors will lead to low diatom culture density, which is difficult to meet and meet the attachment and growth needs of animal larvae

Method used

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  • Benthic diatom cultivating device
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Examples

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Embodiment 1

[0049] A device for cultivating benthic diatoms, comprising a cultivator 100, a cultivating and cultivating system, and a circulation regulating system,

[0050] The cultivation system includes a carrier film 1, a transparent outer tube 2, a light source 3, a ventilation tube 4, a first tension wheel 5, a second tension wheel 11, and a guide wheel 15.

[0051] The carrier film 1 is a transparent or translucent film, which is used as a benthic diatom attachment carrier; several layers of the transparent outer tubes 2 are arranged in the horizontal direction in the culture device 100, and are evenly distributed in the culture water body. The end seal is fixed on the inner wall of the cultivator 100, the transparent outer tube 2 is provided with a light source 3, and the light source 3 provides light for the benthic diatoms in the cultivating device through the transparent outer tube 2;

[0052] The first tensioning wheel 5 is placed at the upper end of the water surface of the c...

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Abstract

The invention provides a novel device and a novel method for cultivating benthic diatoms. Under the condition that the cultivating environment is controllable, the benthic diatom cultivating device makes full use of a water space for achieving stereo high-density cultivation of the benthic diatoms. The benthic diatom cultivating device is high in water utilization rate, and can make full use of photosynthetic CO2; cultivated microalgae are large in biomass.

Description

technical field [0001] The invention belongs to the field of microalgae biotechnology, and in particular relates to a benthic diatom high-density continuous culture device and a method thereof. Background technique [0002] Diatoms are rich in nutrients. In the aquaculture industry, on the one hand, benthic diatoms can be used as an important inducer for the attachment and metamorphosis of valuable marine economic planktonic larvae such as abalone, sea urchin, and sea cucumber; An important bait necessary for growth, so the quality and density of benthic diatoms is one of the key factors for the success of marine economic animal seedlings, and also affects the growth rate and survival rate of seedlings. [0003] Benthic diatoms need to be attached to a certain carrier to grow. At present, the cultivation and application mode of benthic diatoms commonly used in the domestic and foreign aquaculture industry is to cultivate benthic diatoms with corrugated plates as the carrier....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/24C12M1/12C12M1/04C12M1/02C12R1/89
Inventor 姜爱莉郭尽力邢荣莲王建波
Owner YANTAI UNIV
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