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Aquatic ecological breeding system
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A technology for ecological breeding and aquaculture, applied in the field of ecological breeding, can solve the problems of secondary pollution, pollution transfer, and repeated water quality.
Inactive Publication Date: 2015-01-07
WUHAN ZHONGKE HYDROBOLOGY ENVIRONMENTAL ENG
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Simply adjusting the breeding mode is often unable to meet the needs of high-density farming. On this basis, it is necessary to take long-term measures such as water diversion and water exchange, dosing of chemicals, and oxygen-increasing aeration.
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Embodiment 1
[0029] like figure 1 As shown, an aquatic ecological breeding system includes a front pond inlet pipe 1, a valve 2, a front pond body 3, a front pond overflow pipe 4, a front pond emptying pipe 5, and a front pond outlet pipe 6 , constructed wetland 7, constructed wetland outlet pipe 8, constructed wetland water inlet pipe 9, constructed wetland vent pipe 10, culture pond body 11, submersible pump 12, culture pond overflow pipe 13, culture pond vent pipe 14, wherein artificial Wetland 7, constructed wetland outlet pipe 8, constructed wetland water inlet pipe 9, constructed wetland emptying pipe 10, breeding pond body 11, submersible pump 12, breeding pond overflow pipe 13, and breeding pond emptying pipe 14 form the whole as a circulation Breeding unit 15.
[0030] Further, both the inlet pipe 1 of the front pond and the outlet pipe of the front pond are PE pipes of DN300.
[0031] Further, valve 2 is a manual soft-sealing butterfly valve.
[0032] Further, the front pond b...
Embodiment 2
[0047] The difference between embodiment 2 and embodiment 1 is:
[0048] Front pond body 3 area 1200m 2 , with a water depth of 1.8m; water lilies, water chestnuts, weeds and hornworts are planted in the pond, among which: the planting area of water lilies and water chestnuts is 60m respectively 2 , the planting density is 3 clumps / m 2 ; The planting area of Smilax and hornwort is 120m each 2 , the planting density is 20 clumps / m 2 . Vegetation layer 2 of the gravel bed constructed wetland is iris, with a planting density of 25 plants / m 2 .
[0049] Canna is planted in constructed wetland 7 wetland, and the planting density is 16 plants / m 2 .
[0050] There are 3 circulating culture units 15.
[0051] Since the present embodiment has been in operation for 9 months, the water has not been changed with the outside world and only replenished water has been carried out. The water quality has remained in a good range for a long time, and the growth of the fish school is...
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Abstract
The invention discloses an aquatic ecological breeding system. The aquatic ecological breeding system comprises a front pond and re-circulating aquaculture units, wherein each re-circulating aquaculture unit is formed by connecting a constructed wetland and a culture pond. Aquaculturewastewater enters the re-circulating aquaculture units through the front pond, and circulation is formed between the constructed wetland and the culture pond or the plurality of re-circulating aquaculture units, therefore the purification of the wetland ensures the water quality of the culture pond to be maintained in the better scope. The aquatic ecological breeding system is good in environment effect, low in water changing frequency and convenient to operate, has a certain autonomous oxygenation capacity, and does not need to add a water quality purification medicament.
Description
technical field [0001] The invention relates to the technical field of ecological breeding, in particular to an aquatic ecological breeding system and its application. Background technique [0002] The stability and self-purification ability of the pond ecosystem is relatively weak. In order to pursue high-yield and high-density farming, feed, fertilizer and fisherymedicine are often used in large quantities. Due to the existence of a large amount of organic matter such as residual bait and feces, the water body is hypoxic and eutrophic, resulting in the deterioration of water quality and the death of farmed animals. Once water eutrophication and drugpollution form a synergistic effect, more serious water pollution will occur. [0003] At present, the construction of ecological breeding ponds in China is still at a relatively early stage. The main method is to adjust the breeding mode, and improve the overall water quality by planting aquatic plants, stocking bottom-dwell...
Claims
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