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Construction and running method of plant microbial fluidized bed enhanced fish-vegetable symbiotic system

An aquaponics, fluidized bed technology, applied in the fields of botanical equipment and methods, chemical instruments and methods, biological water/sewage treatment, etc., can solve the problem of unutilized technical solutions

Active Publication Date: 2015-06-17
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the technical scheme of purifying aquaculture wastewater using a plant-microbial compound biological fluidized bed has not been utilized.

Method used

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  • Construction and running method of plant microbial fluidized bed enhanced fish-vegetable symbiotic system
  • Construction and running method of plant microbial fluidized bed enhanced fish-vegetable symbiotic system
  • Construction and running method of plant microbial fluidized bed enhanced fish-vegetable symbiotic system

Examples

Experimental program
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Effect test

Embodiment 1

[0029] As the technical scheme of accompanying drawing 1:

[0030] The plant microorganism fluidized bed enhanced fish and vegetable symbiosis system consists of a fish pond 1, a plant microorganism fluidized bed 2, a water delivery system and an aeration system.

[0031] Fish pond 1, with a length-to-width ratio of 2:1, can be excavated from natural land or poured with concrete. The bottom is a slope with a slope of 3% to 5%. If it is excavated from natural land, lay high-density polyethylene film to prevent seepage; if it is formed by pouring concrete, wash it with clean water 3 times to dealkalize. After a week of trial operation, the fishpond was in normal operation after the fish survival rate was greater than 95%. Farmed fish 3 are grass carp, carp, crucian carp and the like. The water inlet of the fish pond 1 is provided with a water diversion valve 14 of the water inlet device, and a sewage outlet 13 is arranged at the bottom of the downward direction of the fish pon...

Embodiment 2

[0037] As the technical scheme of accompanying drawing 2:

[0038] The plant microorganism fluidized bed enhanced fish and vegetable symbiosis system consists of a fish pond 1, a plant microorganism fluidized bed 2, a water delivery system and an aeration system.

[0039] Fishpond 1 top is provided with rotary blower fan 15, cancels diversion valve 14, and all the other are with embodiment 1.

[0040] Plant microorganism fluidized bed 2, the lower part is a fluidized bed, and the upper part is a hydroponic bed. In this example, a floating bed was used to fix the plants. The floating bed is made of cotton twine 16, seedling raising basket 17, and tire 18: the diameter of the seedling raising basket is 10 cm, and the depth is 15 cm; the seedling raising basket 18 is filled with planted cotton, and the plant 12 is fixed; All around, make the seedling raising tray can float on the water surface, simultaneously cotton hemp rope 16 is fastened on the slit type supporting layer 9, ...

Embodiment 3

[0043] as attached image 3 technical solution:

[0044] The plant microorganism fluidized bed enhanced fish and vegetable symbiosis system is composed of a fish pond 1, a plant microorganism fluidized bed 2, an anaerobic biological filter 20, a water delivery system and an aeration system. In this embodiment, an anaerobic biofilter is set before the fluidized bed of plant microorganisms for the carnivorous fish culture system with difficult wastewater treatment.

[0045] Fishpond 1, microporous disc diffuser 19 is set above sewage outlet 12; Fish 3 cultivated in it are carnivorous fishes such as snakehead, catfish, and all the other are with embodiment 1.

[0046] In the plant microorganism fluidized bed 2, the filler 6 is pottery sand with a particle size of 3-5 mm. All the other are with embodiment 1.

[0047] Anaerobic biological filter 21, the filler is gravel. The anaerobic biofilter 21 is placed on the side of the plant microorganism fluidized bed 2, its water inlet po...

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Abstract

The invention relates to a construction and running method of a plant microbial fluidized bed enhanced fish-vegetable symbiotic system. The construction and running method comprises the following steps: excavating a fish pond, constructing a plant microbial fluidized bed and arranging a water delivery system and aeration systems. The fish pond is excavated in natural earth or is constructed through concrete pouring, the bottom of the fish pond is a slope surface, the plant microbial fluidized bed consists of a fluidized bed and a water culture bed, the fluidized bed part is positioned at the lower part of the plant microbial fluidized bed and is filled with fluidized filler for purifying fish farming wastewater; the water culture bed is positioned at the upper part of the plant microbial fluidized bed, matrix and a floating bed are used for fixing plant so as to culturing hydroponic plant; the two parts are separated through a slit type bearing layer; the water delivery system consists of a water pump and a water delivery pipeline and is used for communicating the fish pond and the plant microbial fluidized bed together; and an aeration system is arranged in each of the fish pond and the plant microbial fluidized bed. The constructed fish-vegetable symbiotic system can effectively purify the fish farming wastewater, and by culturing the plant with fish farming waste water, the yield increase and income increase can be realized on the basis of zero emission.

Description

technical field [0001] The invention relates to a method for constructing and operating a plant-microbe composite biological fluidized bed enhanced fish-vegetable symbiosis system, belonging to the field of aquaculture wastewater treatment. Background technique [0002] The discharge of aquaculture wastewater has become an important factor restricting the rapid development of this industry. The wastewater is rich in nitrogen-containing organic matter, which can easily cause eutrophication of the surrounding water body. The aquaponics system is an effective way to solve this problem. In the aquaponics system, biofilters are used to treat aquaculture wastewater and cultivate vegetables, which has significant advantages such as high purification efficiency and reduced wastewater discharge. However, during the operation of the system, because the aquaculture water contains a large amount of fish solid excreta, the clogging rate of the biofilter is increased, and the operation an...

Claims

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Application Information

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IPC IPC(8): A01K61/00A01K63/04A01G9/02A01G31/02
CPCA01G31/00A01G31/02A01K61/00A01K63/042C02F3/32C02F3/34Y02A40/81Y02P60/21Y02P60/60
Inventor 胡振邹艺娜张成禄张建谢慧君
Owner SHANDONG UNIV
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