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Aquaculture pond sediment improver

A technology of substrate improvement and modifier, applied in the direction of biological sludge treatment, etc., can solve problems such as inability to change water, pollute water quality, time-consuming and labor-intensive problems, and achieve the effects of saving time, promoting decomposition, and good adsorption

Active Publication Date: 2015-12-02
NINGBO ACAD OF OCEAN & FISHERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In production, there are mainly the following measures to improve the bottom quality: one is physical methods, such as clearing ponds, digging too much silt, and then exposing or freezing the bottom of the pond; this physical method is low in cost and strong in adaptability, but the operation Water source and larger wasteland or shoal are needed to discharge mud and let it settle, so the actual operation is time-consuming and labor-intensive.
The second is chemical methods, the more common one is quicklime clearing pond. After quicklime encounters water, a chemical reaction occurs, releasing a large amount of heat energy, neutralizing various organic acids in the sludge, improving the acidic environment, thereby achieving the effect of improving the bottom quality and water quality; but This method is suitable for ponds with low total alkalinity, total hardness and pH value, and it is not easy to use this method in ponds poor in organic matter
The third is biological methods, such as the rotation of animals and plants, or the use of photosynthetic bacteria. Photosynthetic bacteria can reproduce at the bottom of the pond with weak light, organic matter and hydrogen sulfide, and use these substances to build themselves, and they themselves are preyed on by other animals. An important link in material circulation and food chain in aquaculture ponds; however, photosynthetic bacteria are only suitable for closed aquaculture ponds with serious pollution at the bottom of the pond or poor water quality.

Method used

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  • Aquaculture pond sediment improver

Examples

Experimental program
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Effect test

Embodiment 1

[0021] A culture pond bottom quality improver, comprising 25 parts of construction waste regenerated granules, 7 parts of medical stone, 2 parts of chitin, 5 parts of nitrosomonas, 5 parts of nitrobacter, and 2 parts of actinomycetes; Stir evenly, add a small amount of water to make the water content of the mixture 65%, and then send it to a granulator for granulation, which is the No. 1 modifier.

[0022] The regenerated particles of construction waste are prepared by the following method:

[0023] (1) The discarded concrete, bricks and stones are sent to the screening machine after removing impurities and metals to screen out fine particles and sundries, and retain a volume of at least 1cm 3 pieces of

[0024] (2) Send the fragments obtained in step (1) to the crusher and crush them into a volume of 0.5-1cm 3 coarse bone grains;

[0025] (3) Immerse the coarse bone grains obtained in step (2) in the calcium peroxide aqueous solution, pull out after soaking for 3-5h, and s...

Embodiment 2

[0028] It is basically the same as Example 1, except that the mixed preparation of probiotics is 6 parts of Nitrosomonas, 7 parts of Nitrobacter, and 1 part of Actinomycetes to obtain Improver No. II.

Embodiment 3

[0030] It is basically the same as Example 1, except that the mixed preparation of probiotics is 7 parts of Nitrosomonas, 8 parts of Nitrobacter, and 2 parts of Bacillus subtilis to obtain Improver No. III.

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Abstract

The invention discloses an aquaculture pond sediment improver which comprises raw materials in parts by weight as follows: 20-30 parts of construction waste regenerated particles, 5-10 parts of medical stone, 1-5 parts of chitin and 10-20 parts of a probiotics mixed preparation, wherein a nitrobacterium reagent adopts a nitrosomonas, nitrobacter and actinomycetes mixture. According to the improver, the regenerated waste particles having specific particle size after ball milling have excellent adsorption, not only is the problem of construction waste disposal solved effectively, but also a novel improver adsorption subject with better adsorption capacity is provided; the probiotics mixed preparation can effectively promote decomposition of pond bottom sediment, so that the water quality is optimized; the improver after effective compounding of the construction waste regenerated particles, the medical stone, the chitin and the probiotics mixed preparation can be normally used in an aquaculture process, aquaculture animals are not needed to be transferred to another pond, and time is saved; the content of ammoniacal nitrogen, nitrite, hydrogen sulfide and the like in the pond is reduced remarkably after the improver is used for 1-3 days.

Description

technical field [0001] The invention relates to a culture pond bottom quality improver, which belongs to the technical field of aquaculture. Background technique [0002] The pond is the place where aquaculture animals live, and the environmental conditions directly affect the survival and growth of aquatic animals. Scientifically regulating the water quality of aquaculture water is the key to improving the growth rate of aquaculture species to reduce diseases and achieve high yield and high quality. The improvement of the bottom quality is undoubtedly an important part of the water quality regulation of aquaculture water. After the pond has been used for a period of time, some organic particles such as residual bait and aquatic animal feces sink to the bottom of the water and the remains of dead organisms are fermented and decomposed, and then mixed with the bottom sediment of the pond to form bottom mud. A certain thickness of bottom mud can play the role of fertilizer su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/02
Inventor 焦海峰郑丹尤仲杰黄呈炜黄琳
Owner NINGBO ACAD OF OCEAN & FISHERY
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