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Method for processing and recycling aquaculture water in intensive culture pond

A technology of breeding water and ponds, applied in the fields of application, fish farming, animal husbandry, etc., can solve the problems that affect the healthy and sustainable development of the shrimp farming industry, the amount of waste water and waste is astonishing, and the consumption of water resources is large, so as to achieve high use value , neat specifications, and the effect of increasing the breeding output

Inactive Publication Date: 2011-01-19
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, a comprehensive analysis shows that not only the consumption of water resources in the process of shrimp farming is huge, but also the amount of waste water and waste discharged to the environment is astonishing, which affects the healthy and sustainable development of the shrimp farming industry

Method used

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  • Method for processing and recycling aquaculture water in intensive culture pond
  • Method for processing and recycling aquaculture water in intensive culture pond

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] ①Two areas are 0.23hm 2 , with a pond depth of 2.3m and a water depth of 1.6m in the winter shed intensive culture pond of Litopenaeus vannamei, with a stocking density of 3 million fish / hm 2 , the output is 30000-37500kg / hm 2 , Each pond is equipped with bottom oxygenation facilities, and at the same time, 4-6 waterwheel aerators 1 are equipped at the four corners of the pond. After 30 days of breeding, the waterwheel aerator 1 is started to form a circulation, and the pollutants are concentrated to the central sewage discharge port 2;

[0011] ②In each pond, a PVC pipe with an inner diameter of 26.4cm is installed at the central sewage outlet 2, and the sewage pipe 3 is connected to the gate 4 of the drainage gate; a PVC elbow with an inner diameter of 26.4cm is installed at the gate 4, and a 26.4cm inner diameter is inserted PVC pipe;

[0012] ③ On the dams near the drainage gates of the two ponds, 6 sets of water pumps with a power of 3kw and a head of about 5m a...

Embodiment 2

[0015] ①The four areas are 0.23hm respectively 2 , the depth of the pool is 2.5m, the water depth is 2.0m, and the intensive culture pond of the oblique grouper, the stocking density is 30,000 fish / hm 2 , output is 15000kg / hm 2 About 4-6 sets of water wheel aerators are installed at the four corners of each pond. After 60 days of breeding, the water wheel aerator 1 is turned on to form a circulation, and the pollutants are concentrated to the central sewage outlet 2;

[0016] ②In each pond, a PVC pipe with an inner diameter of 26.4cm is installed at the central sewage outlet 2, and the sewage pipe 3 is connected to the gate 4 of the drainage gate; a PVC elbow with an inner diameter of 26.4cm is installed at the gate 4, and a 26.4cm inner diameter is inserted PVC pipe;

[0017] ③On the dams near the drainage gates of the four ponds, 3 pumps with a power of 3kw and a lift of about 5m are equipped to pump water from the PVC pipes into the foam separator 7. The pumping hoses are...

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Abstract

The invention discloses a method for processing and recycling aquaculture water in an intensive culture pond, which comprises the following steps: (1) performing oxygenation measures, and then gathering pollutants in a central sewage draining exit; (2) arranging a discharge pipe at the central sewage draining exit, wherein the discharge pipe is communicated with a gate of a drainage sluice; (3) pumping sewage in the pond from a pump pipeline by using pumping equipment; (4) separating the sewage by a foam separator; and (5) dealing with pathogens in the obtained clean water by an ozone generator and then discharging the clean water to the pond for recycling, collecting the obtained sewage and then carrying out biochemical treatment on the sewage, after the sewage is up to the standard, discharging the sewage. In the intensive culture pond implementing the technology of the invention, the aquaculture water consumption can be reduced by 70 to 80 percent, the sewage discharge is reduced, the environmental pollution is alleviated, and the aquaculture output is raised; and meanwhile, the method of the invention is beneficial for cutting off the horizontal transmission route of the pathogens, and can be used for processing and recycling the water in the intensive culture ponds for culturing the economic aquatic species such as fishes, prawns, macrobrachium rosenbergii and crabs, and the like in the process of cultivation, therefore, the method is helpful for the healthy and sustainable development of the aquaculture industry, and has high use value.

Description

technical field [0001] The invention belongs to the field of aquaculture, and relates to a water treatment and recycling method for intensive aquaculture pond cultivation. technical background [0002] my country is the largest country in the world's aquaculture industry. In 2002, the output of aquatic products reached 45.618 million tons, accounting for about 40% of the global output, of which the output of sea and freshwater aquaculture was 29.07 million tons, accounting for 64% of the total output, accounting for nearly 60% of the global aquaculture output . Shrimp aquaculture is the pillar industry of marine aquaculture in my country. In 1992, the aquaculture area exceeded 140,000 hectares, and the output was 220,000 tons, with an average output of 1.57 tons per hectare. Since 1993, the output of shrimp farming began to decline. In 1995, my country had only 50,000 tons, with an average yield of 0.36 tons / ha. From 1993 to 1995, the annual direct economic loss of the shri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K63/04
Inventor 孙成波冯庭玉梁道栋曹剑香刘建勇
Owner GUANGDONG OCEAN UNIVERSITY
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