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Film-coated sediment culture device and culture method

A technology for cultivating equipment and sediment, which is applied in the direction of sampling equipment, preparation of test samples, soil material testing, etc., can solve problems such as disturbance and interference of experimental sediment, achieve effective management and control, reduce disturbance, and improve cultivation environmental effects

Pending Publication Date: 2020-06-16
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When adding the experimental water sample, the experimental water sample is poured directly from the top of the open tank 7, which will inevitably cause disturbance to the experimental sediment inside the cultivation equipment; in addition, when digging some sediment samples, it will also affect the cultivation equipment other experimental sediment remaining in the

Method used

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  • Film-coated sediment culture device and culture method
  • Film-coated sediment culture device and culture method
  • Film-coated sediment culture device and culture method

Examples

Experimental program
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Effect test

Embodiment 1

[0051] see Figure 2-7 , the long-film sediment cultivation device in the present embodiment comprises 9 sampling assemblies, and each sampling assembly includes a plurality of samplers 2 arranged side by side at intervals, and experimental silt is accommodated in the samplers 2, and the 9 sampling assemblies Arranged in the culture tank 1 where the experimental water samples are injected, and arranged on the bottom wall of the culture tank 1 at appropriate intervals, different groups of samplers 2 can be arranged in sequence according to the culture time. The sampler 2 is arranged below the liquid level of the experimental water sample in the culture tank 1, so that the experimental sediment can be cultivated in a long film in the experimental water sample. Regulate and control the actual needs.

[0052] On the side wall of the culture tank 1 in the width direction, there are respectively connected a water injection pipe 4 for injecting the experimental water sample and a dr...

Embodiment 2

[0062] The basic structure of the long-film sediment cultivation device in this embodiment is exactly the same as that in Embodiment 1, the difference is that in this embodiment, each sampling component is a separate sampler, and 9 sampling components correspond to 9 sampler, and 9 samplers are arranged at equal intervals along the length direction of the culture tank.

[0063] The medium and long film sediment cultivation device of the present invention has simple structure, low cost, easy to obtain materials, and is beneficial to laboratory use; the water injection tank can be used to adjust and add experimental water samples to meet the water sample requirements of different experimental environments; it can be used in actual use. Set the number of samplers according to the experimental requirements, take a single / single-group sampler directly for each sampling, and will not interfere with the long-film sediment samples in the remaining samplers; the long-film sediment can b...

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Abstract

The invention discloses a film-coated sediment culture device which comprises a sampling assembly used for containing sediment to be cultured and a culture pond used for culturing the sediment to be cultured into film-coated sediment. The side wall of the culture pond is respectively connected with a water injection pipeline used for injecting an experimental water sample and a drainage pipeline used for discharging the experimental water sample, and the water injection pipeline and the drainage pipeline are respectively provided with diaphragm valves used for controlling the flow velocity. The invention further provides a method for culturing the sediment by adopting the film-coated sediment culture device. According to the film-coated sediment culture device, interference-free sampling of experimental sediment can be achieved, and the culture environment of the experimental sediment is greatly improved. With the culture method provided by the invention, the change condition of the structural characteristics of the sediment in the water body after the biological film is grown in situ can be reflected objectively and accurately, and the possibility of further researching the film-coated sediment is provided.

Description

technical field [0001] The invention relates to the technical field of water conservancy engineering, in particular to a long-film sediment cultivation device and a cultivation method. Background technique [0002] Traditional sediment research deals with clean sediment, which is mainly produced by rock weathering, and its surface characteristics, particle characteristics and population characteristics are all based on rock particles. Microorganisms are the smallest, most numerous, and most widely distributed living organisms in nature. Most of them exist in an attached state rather than a free state in the growth environment. They secrete extracellular polymeric substances called biofilms through metabolic activities ( Extracellular Polymeric substance, EPS) adheres to the surface of the solid substrate. Observations found that in the natural water environment, the surface of most mineral particles is covered with an organic shell composed of humic acid substances and biof...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N1/10G01N33/24
CPCG01N1/10G01N1/28G01N33/24
Inventor 赵慧明张岳峰汤立群王崇浩刘大滨郭传胜冯浩川王玉海鲁婧高晓薇
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES