CN112062316A - Aquaculture biological wadding inclined plane screening device - Google Patents

Aquaculture biological wadding inclined plane screening device Download PDF

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Publication number
CN112062316A
CN112062316A CN202011027879.0A CN202011027879A CN112062316A CN 112062316 A CN112062316 A CN 112062316A CN 202011027879 A CN202011027879 A CN 202011027879A CN 112062316 A CN112062316 A CN 112062316A
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CN
China
Prior art keywords
biological
aquaculture
water
floc
inclined plane
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Pending
Application number
CN202011027879.0A
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Chinese (zh)
Inventor
孙成波
何子豪
赵吉臣
周银环
黄海立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Ocean University
Southern Marine Science and Engineering Guangdong Laboratory Zhanjiang
Original Assignee
Guangdong Ocean University
Southern Marine Science and Engineering Guangdong Laboratory Zhanjiang
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Publication date
Application filed by Guangdong Ocean University, Southern Marine Science and Engineering Guangdong Laboratory Zhanjiang filed Critical Guangdong Ocean University
Priority to CN202011027879.0A priority Critical patent/CN112062316A/en
Publication of CN112062316A publication Critical patent/CN112062316A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/20—Prevention of biofouling

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses an aquaculture biological floc inclined plane screening device which comprises an inclined plane screening device arranged on a supporting base, wherein the inclined plane screening device comprises a water tank body with an open top and a cuboid shape, the bottom surface of the water tank body is obliquely arranged on the inclined plane of the supporting base in a mode that one end is higher and the other end is lower, and a water inlet, an impurity separation layer, a biological floc separation layer, a circulating water layer and a water outlet are longitudinally and sequentially arranged in the water tank body from the high end to the low end. The invention has simple structure, low construction cost, small occupied area, good screening effect, low energy consumption and long service life, is suitable for the culture of fish, shrimp and crab soil ponds, mulching films and indoor industrialized biological floccules, can filter and recycle the biological floccules, can collect the redundant biological floccules and inoculate the collected biological floccules to a new culture pond, has very high practical value and can be popularized and used in a large range.

Description

Aquaculture biological wadding inclined plane screening device
Technical Field
The invention relates to the technical field of aquaculture water treatment, in particular to an aquaculture biological floc inclined screen device.
Background
The Chinese aquaculture industry has been rapidly developed in the last 30 years, the total yield of the Chinese aquaculture in 2018 exceeds 5000 ten thousand tons, the total yield of the Chinese aquaculture accounts for more than 78 percent of the total yield of the Chinese aquaculture, and the method is the only main fishery country in the world in which the total amount of the cultured aquatic products exceeds the total amount of fishing. While these brilliant achievements are achieved, the quantity and quality of the aquaculture industry in China are unbalanced, the quality benefit is not developed sufficiently, and the main contradiction of the fishery industry in China is more and more prominent, which mainly reflects the contradiction between the demand of people on high-quality safe aquatic products and ecological environment of graceful water areas and the structural contradiction of aquatic product supply, and the contradiction between the fishery industry and the over utilization of resource environment. These major conflicts present a significant challenge to the sustainable development of the aquaculture industry. The cultivation is water cultivation, and the good water quality ensures the high quality of aquatic products. In recent years, the heat of biological floccule culture is increasing, and the biological floccule culture can meet the basic requirements of water saving and water treatment of two aquaculture at the same time, so that the biological floccule culture is always concerned by the aquaculture industry.
At present, in domestic biological floccule culture, the breeding of water microorganisms is stimulated mainly by means of appropriate and excessive feeding of baits to form floccules, and a stable biological floccule system needs to consume a certain time, so that the culture efficiency is greatly reduced. In addition, after the biological floccule system is formed, the excessive microorganisms can bring burden to the culture system, and if the microorganisms are not adjusted in time, the culture yield can be reduced.
Disclosure of Invention
The invention aims to provide an aquaculture biological floc inclined plane screening device which has the advantages of simple structure, low construction cost, small occupied area, good screening effect, low energy consumption and long service life, is suitable for the culture of fish, shrimp and crab soil ponds, mulching films and indoor industrial biological flocs, can filter and recycle biological floc water, can collect redundant biological flocs to inoculate the collected biological flocs to a new culture pond, has high practical value and can be popularized and used in a large range.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an aquaculture biological wadding group inclined plane sieve strains device, includes the inclined plane sieve strain device of installing on supporting the base, the inclined plane sieve strains the device, including the top be the pond body of the cuboid form of open-type, the bottom surface of pond body sets up on the inclined plane of supporting the base with the mode slope that the one end is high other end is low, the inside of pond body vertically is equipped with water inlet, impurity separation layer, biological wadding group separation layer, circulation water layer and delivery port respectively from high-end to the low side in proper order, the inner space of impurity separation layer and biological wadding group separation layer is equipped with horizontal foul precipitation tank and biological wadding group precipitation tank respectively, the foul precipitation tank all flushes with the bottom surface of pond body with the roof border of biological wadding group precipitation tank, the bottom border of foul precipitation tank all is less than the bottom surface of pond body, install the foul screen cloth on the roof border of foul precipitation tank, the foul screen cloth can, the biological floc settling tank is characterized in that a biological floc screen is installed on the tank edge of the biological floc settling tank, the biological floc screen can be used as a boundary between a biological floc separation layer and a circulating water layer, filter cotton, activated carbon and medical stone are filled in the circulating water layer, a dirt discharge port and a biological floc discharge port are respectively arranged on the same side of the dirt settling tank and the same side of the biological floc settling tank, and backwashing devices are respectively arranged below the dirt screen and the biological floc screen.
Further, the pond body is the PVC material, and the inclination of its bottom surface is 30.
Furthermore, the back washing device is composed of a plurality of water flow direct injection pipes, the water flow direct injection pipes are connected with the water pump through a main pipe, and jet ports of the water flow direct injection pipes face the dirt screen and the biological floc group screen.
Furthermore, the water inlet and the water outlet are both provided with saw-toothed shapes which are transversely arranged.
Further, the supporting base is made of stainless steel materials.
Further, the aperture of the filter cotton is 30 PPI.
Further, the aperture of the dirt screen is 0.425 mm.
Further, the aperture of the biological floc screen is 0.038 mm.
Furthermore, the diameter of the medical stone is 30-40 mm.
Further, the mesh number of the activated carbon is 40 meshes.
The invention has the beneficial effects that: simple structure, construction cost are low, area is little, sieve is strained effectually, and the energy consumption is low, and long service life is applicable to the breed of fish, shrimp, crab soil pond, plastic film and indoor batch production biological wadding group, both can filter cyclic utilization to biological wadding group water, can collect unnecessary biological wadding group again and inoculate new aquaculture pond, have very high practical value, can use widely on a large scale.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1 impurity separation layer, 2 water inlets, 3 dirt precipitation tanks, 4 supporting bases, 5 dirt discharge ports, 6 biological floc discharge ports, 7 dirt screen meshes, 8 biological floc separation layers, 9 biological floc precipitation tanks, 10 biological floc screen meshes, 11 circulating water layers, 12 water outlets, 13 backwashing devices and 14 water tank bodies.
Detailed Description
As shown in fig. 1, an aquaculture biological floc inclined plane screening device comprises an inclined plane screening device installed on a supporting base 4, wherein the inclined plane screening device comprises a water tank body 14 with an open-type cuboid top, the bottom surface of the water tank body 14 is obliquely arranged on the inclined plane of the supporting base 4 in a manner that one end is high and the other end is low, a water inlet 2, an impurity separation layer 1, a biological floc separation layer 8, a circulating water layer 11 and a water outlet 12 are longitudinally and sequentially arranged in the water tank body 14 from a high end to a low end, transverse dirt settling tanks 3 and biological floc settling tanks 9 are respectively arranged in the inner spaces of the impurity separation layer 1 and the biological floc separation layer 8, the top edges of the dirt settling tanks 3 and the biological floc settling tanks 9 are flush with the bottom surface of the water tank body 14, and the bottom edges are lower than the bottom surface of the water tank body 14, install foul screen cloth 7 on the tank deck border of foul settling tank 3, foul screen cloth 7 can regard as the boundary of impurity separation layer 1 and biological wadding separating layer 8, install biological wadding group screen cloth 10 on the tank deck border of biological wadding group settling tank 9, biological wadding group screen cloth 10 can regard as the boundary of biological wadding group separation layer 8 and circulation water layer 11, foul settling tank 3 can be used for storing the filth that foul screen cloth 7 sieved down, and biological wadding group settling tank 9 can be used for storing the biological wadding group that biological wadding group screen cloth 10 sieved down, and it has filter pulp, active carbon and medical stone to fill in circulation water layer 11, foul settling tank 3 and biological wadding group settling tank 9 are equipped with foul discharge port 5 and biological wadding group discharge port 6 respectively with one side, foul screen cloth 7 and biological wadding group screen cloth 10's below all is equipped with back flush device 13.
The pool body 14 is made of PVC material, and the inclination angle of the bottom surface is 30 degrees.
Back flush unit 13 is for being penetrated the pipe by many rivers directly and constitutes, rivers penetrate the pipe directly and pass through house steward connection water pump, and the efflux mouth that rivers penetrated the pipe directly all faces foul screen cloth 7 and biological wadding group screen cloth 10, is convenient for to the sanitation and hygiene of foul screen cloth 7 and biological wadding group screen cloth 10.
The water inlet 2 and the water outlet 12 are both provided with sawteeth which are transversely arranged, so that the water inlet and the water outlet can be divided.
The supporting base 4 is made of stainless steel.
The aperture of the filter cotton is 30 PPI.
The aperture of the dirt screen 7 is 0.425 mm.
The aperture of the biological floc screen 10 is 0.038 mm.
The diameter of the medical stone is 30-40 mm.
The mesh number of the active carbon is 40 meshes.
The working principle is as follows: the cultivation water with the biological flocs firstly enters an impurity separation layer 1 of the inclined plane screening device through a water inlet 2, large particles filtered by a dirt screen 7 are precipitated into a dirt precipitation tank 3, then the cultivation water continuously flows into a biological floc separation layer 8, the biological floc separation layer 8 filters the biological flocs through a biological floc screen 10, the filtered biological flocs are precipitated into a biological floc precipitation tank 9, the cultivation water then flows into a circulating water layer 11, small particle substances and toxic substances in a water body are adsorbed by filter cotton, active carbon and medical stone arranged in the circulating water layer 11, the pH value of the water body is improved by adjusting the separated minerals, and finally the minerals flow out through a water outlet 12.
When the biological flocs need to be collected for inoculation, the biological floc discharge port 6 can be opened for collection. The soil discharge port 5 needs to be opened for discharging soil every 3 days. The backwashing device 13 is required to be opened every 3 days to respectively wash the dirt screen 7 and the biological floc screen 10, the dirt screen 7 and the biological floc screen 10 are replaced every month, and the filter cotton, the active carbon and the medical stone in the circulating water layer 11 are replaced every half year, so that the screening efficiency of the system can be improved.
The above description is only for the purpose of illustrating the technical solutions of the present invention, and those skilled in the art can make simple modifications or equivalent substitutions on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides an aquaculture living beings wadding group inclined plane sieve strains device, strains the device including installing the inclined plane sieve on supporting base (4), its characterized in that: the inclined plane screening and filtering device comprises a water tank body (14) with the top in an open cuboid shape, wherein the bottom surface of the water tank body (14) is obliquely arranged on the inclined plane of a supporting base (4) in a mode that one end is high and the other end is low, a water inlet (2), an impurity separation layer (1), a biological floc separation layer (8), a circulating water layer (11) and a water outlet (12) are longitudinally and sequentially arranged in the water tank body (14) from the high end to the low end, transverse dirt settling tanks (3) and biological floc settling tanks (9) are respectively arranged in the inner spaces of the impurity separation layer (1) and the biological floc separation layer (8), the top edges of the dirt settling tanks (3) and the biological floc settling tanks (9) are flush with the bottom surface of the water tank body (14), the bottom edges of the water tank body (14) are lower than the bottom surface, and dirt screens (7) are arranged on the top edges of the dirt settling tanks, dirty screen cloth (7) can regard as the boundary of impurity separation layer (1) and biological wadding group separation layer (8), install biological wadding group screen cloth (10) on the groove border of biological wadding group precipitation tank (9), biological wadding group screen cloth (10) can regard as the boundary of biological wadding group separation layer (8) and circulation water layer (11), and it has filter pulp, active carbon and medical stone to fill in circulation water layer (11), dirty precipitation tank (3) and biological wadding group precipitation tank (9) are equipped with foul discharge port (5) and biological wadding group discharge port (6) respectively with one side, the below of dirty screen cloth (7) and biological wadding group screen cloth (10) all is equipped with back flush unit (13).
2. The aquaculture biological floc inclined screen device of claim 1, wherein: the pool body (14) is made of PVC material, and the inclination angle of the bottom surface of the pool body is 30 degrees.
3. The aquaculture biological floc inclined screen device of claim 1, wherein: back flush unit (13) are for being penetrated the pipe by many rivers and constitute directly, the pipe is penetrated directly to rivers through house steward connection water pump, and the efflux mouth that the pipe was penetrated directly to rivers all faces foul screen cloth (7) and biological wadding group screen cloth (10).
4. The aquaculture biological floc inclined screen device of claim 1, wherein: the water inlet (2) and the water outlet (12) are both provided with saw-toothed shapes which are transversely arranged.
5. The aquaculture biological floc inclined screen device of claim 1, wherein: the supporting base (4) is made of stainless steel materials.
6. The aquaculture biological floc screening device of claim 1, wherein: the aperture of the filter cotton is 30 PPI.
7. The aquaculture biological floc screening device of claim 1, wherein: the aperture of the dirt screen (7) is 0.425 mm.
8. The aquaculture biological floc screening device of claim 1, wherein: the aperture of the biological floc screen (10) is 0.038 mm.
9. The aquaculture biological floc screening device of claim 1, wherein: the diameter of the medical stone is 30-40 mm.
10. The aquaculture biological floc screening device of claim 1, wherein: the mesh number of the active carbon is 40 meshes.
CN202011027879.0A 2020-09-26 2020-09-26 Aquaculture biological wadding inclined plane screening device Pending CN112062316A (en)

Priority Applications (1)

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CN202011027879.0A CN112062316A (en) 2020-09-26 2020-09-26 Aquaculture biological wadding inclined plane screening device

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Application Number Priority Date Filing Date Title
CN202011027879.0A CN112062316A (en) 2020-09-26 2020-09-26 Aquaculture biological wadding inclined plane screening device

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CN112062316A true CN112062316A (en) 2020-12-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114223480A (en) * 2021-12-21 2022-03-25 上海海洋大学 Method for resource planting by utilizing aquaculture biological flocs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114223480A (en) * 2021-12-21 2022-03-25 上海海洋大学 Method for resource planting by utilizing aquaculture biological flocs

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