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Holothurian cultivation pond water quality modifier and preparation method thereof

A water quality improver and pond technology, applied in fish farming, adsorption water/sewage treatment, ion exchange water/sewage treatment, etc., can solve the problems of affecting the growth of sea cucumbers, high prices, and death of sea cucumbers, so as to improve the ecological environment of water bodies , low cost, simple preparation method

Inactive Publication Date: 2010-06-02
大连金砣水产食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In particular, in terms of sea cucumber cultivation, pond cultivation is currently one of the main methods of sea cucumber cultivation in the northern coastal areas of my country. With the continuous increase of sea cucumber cultivation density, the bottom of the cultivation pond is caused by the metabolism of sea cucumber itself, the corruption of residual feed and other reasons. Deterioration of water quality produces harmful substances such as ammoniacal nitrogen and hydrogen sulfide, which affects the growth of sea cucumbers and even causes a large number of sea cucumbers to die
[0004] At present, the more commonly used commercially produced water quality purifiers are active enzymes, which mainly have the function of decontamination and oxygenation. They are sold in Canada and other countries, but they are expensive and difficult to popularize and apply.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Take 90 kg of oyster shell powder (through 80 mesh sieve), 10 kg of functional additives, including 3.5 kg of activated carbon powder, 1 kg of aluminum hydroxide, 2 kg of iron oxide, and 3.5 kg of calcium oxide. The feed mixer mixes and stirs for 15 minutes, and the mixing accuracy requires the coefficient of variation CV<7%. Out-of-box packaging. The finished product is packaged in a plastic woven bag lined with plastic film or a polyethylene bucket with a lid. Store away from light and ventilation, and the shelf life is one year. The product index is moisture ≤ 5%, particle size ≤ 80 mesh, ammonium ion exchange capacity CEC ≥ 20 mm equivalent.

[0015] Usage method and dosage: 5 ponds, 1kg per acre of water surface and 1 meter of water depth, apply once every 15-20 days, double the dosage when the water quality deteriorates, and spray the whole pond after the water is melted. After 30 days of use, the content of ammoniacal nitrogen decreases by 10-15%, the content ...

Embodiment 2

[0017] Take 80 kg of oyster shell powder (through a 90-mesh sieve), 20 kg of functional additives, including 7 kg of activated carbon powder, 2.4 kg of aluminum hydroxide, 3.6 kg of iron oxide, and 7 kg of calcium oxide. The feed mixer mixes and stirs for 20 minutes, and the mixing precision requires the coefficient of variation CV<7%. Out-of-box packaging. The finished product is packaged in a plastic woven bag lined with plastic film or a polyethylene bucket with a lid. Store away from light and ventilation, and the shelf life is one year. The product index is moisture ≤ 5%, particle size ≤ 90 mesh, ammonium ion exchange capacity CEC ≥ 20 mm equivalent.

[0018] Usage method and dosage: 5 ponds, the dosage is 1.1kg per mu of 1 meter of water surface, and it is applied once every 15-20 days. When the water quality deteriorates, the dosage is doubled, and the whole pond is sprayed after the water is melted. After 30 days of use, the ammoniacal nitrogen content decreased by ...

Embodiment 3

[0020] Get 25 kg of oyster shell powder (through a 100-mesh sieve), 5 kg of functional additives, including 2 kg of activated carbon powder, 0.5 kg of aluminum hydroxide, 1 kg of iron oxide, and 1.5 kg of calcium oxide. Machine mixing and stirring for 17 minutes, the mixing accuracy requires the coefficient of variation CV<7%. Out-of-box packaging. The finished product is packaged in a plastic woven bag lined with plastic film or a polyethylene bucket with a lid. Store away from light and ventilation, and the shelf life is one year. The product index is moisture ≤ 5%, particle size ≤ 100 mesh, ammonium ion exchange capacity CEC ≥ 20 mm equivalent.

[0021] Usage method and dosage: 5 ponds, 1.2kg per acre of water surface and 1 meter of water depth, apply once every 15-20 days, double the dosage when the water quality deteriorates, and spray the whole pond after the water is melted. After 30 days of use, the content of ammoniacal nitrogen decreases by 10-17%, the content of ...

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Abstract

The invention discloses a holothurian cultivation pond water quality modifier and a preparation method thereof. The water quality modifier is made by mixing a carrier and a functional additive according to a certain proportion, wherein the carrier is oyster shell powder which is screened by a screen of 80-100 meshes, the functional additive is active powdered carbon, aluminium hydroxide, ferric oxide and calcium oxide. The preparation method comprises the following steps of: throwing the carrier and the functional additive according to the proportion, mixing and stirring by using a feed mixer for 15-20 min, after stirring uniformly, finishing and packaging. The water quality modifier can reduce the content of ammoniacal nitrogen in the cultivation water body, eliminate sulfureted hydrogen, prevent the rot and the ferment of the water quality and the pond bottom quality, increase the dissolved oxygen, and improve the ecological environment of the water body. The preparation method is simple and safe without toxin or residue, and has obvious effects.

Description

technical field [0001] The invention belongs to the field of water quality improvers and preparation methods thereof, in particular to a water quality improver for sea cucumber breeding ponds and a preparation method. Background technique [0002] In aquaculture, due to man-made mandatory intervention, residual bait, metabolites, etc. have broken the original structure of the ecosystem, and the water quality has deteriorated, seriously restricting the development of the aquaculture industry. Therefore, various water quality improvers and water purification agents used to control water pollution agents are of great economic importance. [0003] In particular, in terms of sea cucumber cultivation, pond cultivation is currently one of the main methods of sea cucumber cultivation in the northern coastal areas of my country. With the continuous increase of sea cucumber cultivation density, the bottom of the cultivation pond is caused by the metabolism of sea cucumber itself, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00C02F1/28C02F1/42
CPCY02A40/81
Inventor 王顺全宋立新任同军刘钢
Owner 大连金砣水产食品有限公司
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