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Long-term sterilization type microorganism adhesion preventing oxygen increasing device for aquaculture

A kind of aerator and microbial technology, applied in application, fish farming, animal husbandry, etc., can solve the problems of microbial fouling and affecting the use effect, and achieve the effect of stable oxygen supply, stable oxygen supply and good bactericidal effect

Inactive Publication Date: 2012-08-15
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] The purpose of the present invention is to provide an aerator capable of long-term sterilization and anti-microbial adhesion in view of the fact that there is microbial fouling in the use process of the existing aerator for aquaculture, which affects its use effect.

Method used

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  • Long-term sterilization type microorganism adhesion preventing oxygen increasing device for aquaculture
  • Long-term sterilization type microorganism adhesion preventing oxygen increasing device for aquaculture

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0036] Example 1: This example is used to illustrate doping with 0.5% CuSO 4 A clay sintered long-term bactericidal aerator is prepared.

[0037] According to the weight percentage 80:19.5:0.5, weigh out the ingredients fly ash, boron mud and CuSO 4 , mix and stir well. Under the condition that the extrusion pressure is 1.8MPa and the vacuum degree is -0.092Mpa, it is extruded by an extruder. Roast at 950-1050 DEG C for 11 hours in a high temperature zone, and make a rod-shaped aerator with a diameter of 5.5 cm and a length of 12 cm after cooling.

[0038] The prepared aerator is put into the fishery water body to work. Regularly (such as 5 days, 10 days, 30 days) measure and record the fungicide content and the total number of bacteria in the water near the aerator, and observe the microbial adhesion on the surface of the aerator.

[0039] It has been observed that the amount of microorganisms attached to the surface of the aerator is very small. CuSO 4 It has strong in...

example 2

[0040] Example 2: This example is used to illustrate doping with 0.1% CuSO 4 A clay sintered long-term bactericidal aerator is prepared.

[0041] According to the weight percentage 80:19.9:0.1, weigh out the ingredients fly ash, boron mud and CuSO 4 , mix and stir well. It is extruded by an extrusion machine under the conditions of extrusion pressure of 1.8MPa and vacuum degree of -0.092Mpa. Roast at 950-1050 DEG C for 11 hours in a high temperature zone, and make a rod-shaped aerator with a diameter of 5.5 cm and a length of 12 cm after cooling.

[0042] The prepared aerator is put into the fishery water body to work. Regularly (such as 5 days, 10 days, 30 days) measure and record the fungicide content and the total number of bacteria in the water near the aerator, and observe the microbial adhesion on the surface of the aerator.

[0043] It has been observed that the amount of microorganisms attached to the surface of the aerator is very small. CuSO 4 It has strong inh...

example 3

[0044] Example 3: This example is used to illustrate doping with 0.2% CuSO 4 A clay sintered long-term bactericidal aerator is prepared.

[0045] According to the weight percentage 80:19.8:0.2, weigh out the ingredients fly ash, boron mud and CuSO 4 , mix and stir well. It is extruded by an extrusion machine under the conditions of extrusion pressure of 1.8MPa and vacuum degree of -0.092Mpa. Roast at 950-1050 DEG C for 11 hours in a high temperature zone, and make a rod-shaped aerator with a diameter of 5.5 cm and a length of 12 cm after cooling.

[0046]The prepared aerator is put into the fishery water body to work. Regularly (such as 5 days, 10 days, 30 days) measure and record the fungicide content and the total number of bacteria in the water near the aerator, and observe the microbial adhesion on the surface of the aerator.

[0047] It has been observed that the amount of microorganisms attached to the surface of the aerator is very small. CuSO 4 It has strong inhi...

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Abstract

The invention relates to an oxygen increasing device for aquaculture, which is characterized in that sterilization paddings are doped in sintering and preparation processes of the oxygen increasing device. The oxygen increasing device disclosed by the invention has the advantages that the shortcomings of a conventional oxygen increasing device are overcome, the sterilization paddings can be used for preventing the microorganism adhesion, the blocking of oxygen outlets on the oxygen increasing device is decreased, the service life and the use effect of the oxygen increasing device are increased and the slow release of the sterilization paddings can play a role of purifying the water body and has no side effect to culture organisms at the same time.

Description

technical field [0001] The invention relates to an aeration device for aquaculture, in particular to a long-acting bactericidal aeration device for preventing microorganisms from adhering. Background technique [0002] The water body is the environment in which fish live. Dissolved oxygen in water is one of the most basic necessary conditions for fish to survive, so aerators are widely used in aquaculture [1，2] . However, the aerators currently on the market do not work well, mainly because after the aerators placed in the farm have been used for a period of time, microorganisms will adhere to the surface and block the oxygen outlet of the aerator; biological disease [3] . [0003] After placing the aerator in the aquaculture farm for a period of time, the surface is quickly adhered to by bacteria, and the bacteria secrete extracellular polysaccharides to further form a bacterial biofilm. Subsequently, when the larvae and spores of the floating and swimming periphyton in...

Claims

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Application Information

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IPC IPC(8): A01K63/04
Inventor 付玉彬刘媛媛张业龙卢志凯于建王丹玉
Owner OCEAN UNIV OF CHINA
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