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A method and system for treating seawater aquaculture wastewater in high-level ponds

A wastewater treatment and mariculture technology, which is applied in energy wastewater treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. It can solve the problems of difficult collection and treatment of wastewater, increase residence time and increase breeding income , large area effect

Active Publication Date: 2015-08-19
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The distribution of mariculture in high-level ponds is scattered, and the wastewater is not easy to collect and treat. The above existing treatment methods and treatment effects have problems such as small land occupation, low infrastructure costs, simple operation, and convenient management, which limit their application to a certain extent.

Method used

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  • A method and system for treating seawater aquaculture wastewater in high-level ponds
  • A method and system for treating seawater aquaculture wastewater in high-level ponds
  • A method and system for treating seawater aquaculture wastewater in high-level ponds

Examples

Experimental program
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Effect test

Embodiment 1

[0033] like figure 1 , figure 2 , image 3 Shown: Shellfish and shrimp are placed in a 5.0m×5.0m×5.0m (length×width×height) elevated tank 1 for polyculture, and the waste water produced is under the action of the pump, from the outlet pipe 4 to the inlet pipe 5 Enter the chrysanthemum heart Gracilaria culture tank 2 through the water inlet baffle 6, wherein the size of the culture tank 2 is 5m×0.5m×1.0m (length×width×height), the length of the water inlet baffle 6 is 5m, and the water inlet baffle The plate 6 is flush with the top of the culture tank 2 and the lower part is suspended in the air and fixedly connected with the culture tank 2. The distance between the lower edge of the water inlet baffle plate 6 and the bottom of the culture tank 2 is 0.8m. Utilize Gracilaria chrysanthemum to absorb most of COD, N, P and other pollutants and intercept SS. SS settles in the trapezoidal mud storage bucket 10 and is regularly discharged from the mud discharge pipe 8. The height o...

Embodiment 2

[0035] like figure 1 , figure 2 , image 3Shown: Shellfish and fish are placed in a 5m×5m×5m (length×width×height) high level tank 1 for polyculture, and the waste water generated passes through the water inlet from the outlet pipe 4 to the inlet pipe 5 under the action of the pump The baffle plate 6 enters the deformed culture tank 2 of Gracilaria spp. The plate 6 is flush with the top of the culture tank 2 and the lower part is suspended, and the distance between the lower edge of the water inlet baffle plate 6 and the bottom of the culture tank 2 is 1.6m. Utilize Gracilaria chrysanthemum to absorb most of COD, N, P and other pollutants and intercept SS. SS settles in the trapezoidal mud storage bucket 10 and is regularly discharged from the mud discharge pipe 8. The height of the trapezoidal mud storage bucket 10 is 0.5m, and the The angle between the mud storage bucket 10 hypotenuses and the bottom of the breeding tank is 50°. The microorganisms attached to and growin...

Embodiment 3

[0037] like figure 1 , figure 2 , image 3 Shown: Shellfish and crabs are placed in a 5m×4m×3m (length×width×height) high level tank 1 for polyculture, and the waste water produced is under the action of the pump, from the outlet pipe 4 to the inlet pipe 5 and passes through the inlet The water baffle 6 enters the culture tank 2 of Sargassum grassa and Kappa longista, wherein the size of the culture tank 2 is 5m×1.0m×3.0m (length×width×height), and the length of the water inlet baffle 6 is 5m , the water inlet baffle 6 is flush with the top of the culture tank 2 and the lower part is suspended, and the distance between the lower edge of the water inlet baffle 6 and the bottom of the culture tank 2 is 2.4m. Utilize Gracilaria chrysanthemum to absorb most of COD, N, P and other pollutants and intercept SS. SS settles in the trapezoidal mud storage bucket 10 and is regularly discharged from the mud discharge pipe 8, wherein the height of the trapezoidal mud storage bucket 10 i...

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Abstract

The invention relates to a mariculture wastewater treatment method and a mariculture wastewater treatment system for a higher-place pond. The mariculture wastewater treatment method for the higher-place pond comprises the following steps: adsorbing shellfish, adsorbing large seaweed, light degradation, and cyclic utilization of a water body. The mariculture wastewater treatment system for the higher-place pond comprises the higher-place pond of which the bottom is connected with a water outlet pipe, two culture troughs are respectively formed in the two sides of the higher-place pond, the higher-place pond is fixedly connected with the culture troughs through an illumination inclined plane, a water inlet pipe is connected onto a trough wall of each culture trough far away from the illumination inclined plane, two baffle plates are arranged in the culture trough, the baffle plate that is near to the water inlet pipe is a water inlet baffle plate, the baffle plate that is far away from the water inlet pipe is a water outlet baffle plate, the water inlet baffle plate is fixedly connected with the trough wall connected with the water inlet pipe, the water outlet baffle plate is fixedly connected with a trough wall at the other end of the culture trough, a gap is reserved between the water outlet baffle plate and the connected trough wall to from a compartment, a trapezoid-shaped mud storage bucket is arranged at the bottom of the culture trough, and a mud discharge pipeline is connected to the bottom of the mud storage bucket.

Description

technical field [0001] The invention relates to a treatment method for marine aquaculture wastewater, in particular to a treatment method and a treatment system for marine aquaculture wastewater in high-level ponds. Background technique [0002] Mariculture has a development history of more than 100 years. In recent years, the demand for seafood has been increasing, and the amount of fishing at sea is no longer enough to meet the demand of the market. As a result, the scale of artificial aquaculture in seawater is becoming larger and larger, and it tends to shift from extensive cultivation to Over-intensive. The problem of pollution has also arisen, and the environment of offshore waters has seriously deteriorated, which has led to an imbalance in the ecosystem of coastal waters. Mariculture wastewater pollution mainly comes from residual feed, excrement from cultured bodies, various chemicals and antibiotics, etc. The main polluting elements are nitrogen, phosphorus and or...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
CPCY02W10/37
Inventor 陈倩伶王英辉张瑞杰姜白杨陈建华许道全
Owner GUANGXI UNIV
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