CN111925073A - Industrial aquaculture tail water treatment system and treatment method - Google Patents

Industrial aquaculture tail water treatment system and treatment method Download PDF

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Publication number
CN111925073A
CN111925073A CN202010897363.5A CN202010897363A CN111925073A CN 111925073 A CN111925073 A CN 111925073A CN 202010897363 A CN202010897363 A CN 202010897363A CN 111925073 A CN111925073 A CN 111925073A
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solid
fermentation
tail water
liquid separation
communicated
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贺俊结
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

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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)
  • Fertilizers (AREA)

Abstract

The invention discloses an industrial aquaculture tail water treatment system, which comprises: the device comprises a sewage collecting tank, a septic tank, a solid-liquid separation mechanism, a fermentation mechanism and a solid fertilizer collecting area; the sewage collecting tank is used for precipitating and culturing tail water, the sewage collecting tank is communicated with the solid-liquid separation mechanism, a liquid discharge end of the solid-liquid separation mechanism is communicated with the septic tank, a solid discharge end of the solid-liquid separation mechanism is communicated with a feed end of the fermentation mechanism, and a discharge end of the fermentation mechanism is communicated with the solid fertilizer collecting area. The method solves the problems of water eutrophication and environmental pollution caused by direct discharge of culture tail water without effective utilization in the related art.

Description

Industrial aquaculture tail water treatment system and treatment method
Technical Field
The invention relates to the technical field of water treatment, in particular to a system and a method for treating industrial aquaculture tail water.
Background
In the current mainstream industrial culture, culture tail water is directly discharged to rivers or sea all the time, and even in circulating water culture, excrement, residual bait and the like generated in the culture process are directly or indirectly discharged to the rivers or the sea and are not specially utilized or recycled. These cultured derivatives, without disposal, are environmentally damaging and waste resources. The excrement produced by aquatic animals contains a large amount of unutilized protein and metabolite, and the protein and metabolite have much higher nutritive value than the traditional livestock excrement, and are superior raw materials for manufacturing plant organic fertilizers. At present, the waste water is not effectively utilized in each aquaculture farm but is directly discharged, so that downstream water eutrophication and environment pollution are caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an industrial aquaculture tail water treatment system to solve the problems of water eutrophication and environmental pollution caused by direct discharge of aquaculture tail water without effective utilization in the related art.
An industrial aquaculture tail water treatment system, comprising: the device comprises a sewage collecting tank, a septic tank, a solid-liquid separation mechanism, a fermentation mechanism and a solid fertilizer collecting area; the sewage collecting tank is used for precipitating and culturing tail water, the sewage collecting tank is communicated with the solid-liquid separation mechanism, a liquid discharge end of the solid-liquid separation mechanism is communicated with the septic tank, a solid discharge end of the solid-liquid separation mechanism is communicated with a feed end of the fermentation mechanism, and a discharge end of the fermentation mechanism is communicated with the solid fertilizer collecting area.
Preferably, a sewage inlet pipe for discharging the culture tail water is arranged on the sewage collecting tank.
Preferably, a stirring mechanism is arranged in the sewage collecting tank.
Preferably, the dirty pond of collection is including being the dirty pond of first collection and the dirty pond of second collection that sets up side by side, the sewage inlet tube with the dirty pond of first collection and the dirty pond intercommunication of second collection, all be provided with rabbling mechanism in the dirty pond of first collection and the dirty pond of second collection.
Preferably, a water pump is further arranged between the sewage collecting tank and the solid-liquid separation mechanism, and an inlet and an outlet of the water pump are respectively communicated with the sewage collecting tank and the solid-liquid separation mechanism through pipelines.
Preferably, the stirring mechanism is arranged at a pipeline communicated with the inlet of the water pump.
Preferably, the fertilizer distributor also comprises a drying mechanism arranged between the fermentation mechanism and the solid fertilizer collecting region, and the feeding end and the discharging end of the drying mechanism are respectively communicated with the fermentation mechanism and the solid fertilizer collecting region.
Preferably, the fermentation mechanism comprises a fermentation bacteria mixer, a box body and a plurality of crawler-type fermentation beds arranged in the box body, two ends of the fermentation bacteria mixer are respectively communicated with the solid-liquid separation mechanism and the box body, and the lower end of the box body is communicated with the drying mechanism.
Preferably, a temperature and humidity monitoring device is arranged on the crawler-type fermentation bed.
Preferably, the fertilizer-fixing and collecting device further comprises a packaging area communicated with the fertilizer-fixing and collecting area, and a crushing mechanism and a granulating mechanism are arranged in the packaging area.
According to another aspect of the application, an industrial aquaculture tail water treatment method is provided, and an industrial aquaculture tail water treatment system is applied, and is characterized by comprising the following steps: precipitating the culture tail water, discharging a solid-liquid mixture after precipitation into a solid-liquid separation mechanism for solid-liquid separation, discharging liquid into a septic tank for treatment, discharging solid into a fermentation mechanism for fermentation, and then dehydrating the fermented solid; wherein, biological bacteria are added in the fermentation process and the fermentation temperature and humidity are controlled.
Preferably, the method further comprises the steps of adding plant required nutrients to the dehydrated solid, and granulating and forming.
The invention has the beneficial effects that:
the industrial aquaculture tail water is collected in a unified manner through the sewage collecting tank, so that the aquaculture tail water is precipitated in the sewage collecting tank, the precipitated aquaculture tail water enters the solid-liquid separation mechanism, the solid and the liquid are separated by the solid-liquid separation mechanism, the separated liquid enters the septic tank for treatment, the solid enters the fermentation mechanism for fermentation, the fermented solid enters the solid fertilizer collecting region for collection, the aquaculture tail water is fully treated and recycled, and the problems that the aquaculture tail water is not effectively utilized and is directly discharged in the related technology, and the water eutrophication and the environment pollution are caused are solved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a crawler-type fermentation bed in the invention.
In the attached drawing, 1 sewage collecting tank, 11 first sewage collecting tank, 12 second sewage collecting tank, 2 septic tank, 3 solid-liquid separation mechanism, 4 fermentation mechanism, 41 fermentation bacteria mixer, 42 crawler-type fermentation bed, 5 packing area, 6 solid fertilizer collecting area, 7 sewage inlet pipe, 8 box.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1 to 2, an industrial aquaculture tail water treatment system includes: the device comprises a sewage collecting tank 1, a septic tank 2, a solid-liquid separation mechanism 3, a fermentation mechanism 4 and a solid fertilizer collecting area 6; the sewage collecting tank 1 is used for precipitating and breeding tail water, the sewage collecting tank 1 is communicated with the solid-liquid separation mechanism 3, the liquid discharge end of the solid-liquid separation mechanism 3 is communicated with the septic tank 2, the solid discharge end of the solid-liquid separation mechanism 3 is communicated with the feed end of the fermentation mechanism 4, and the discharge end of the fermentation mechanism 4 is communicated with the solid fertilizer collecting area 6.
In this embodiment, the sewage collecting tank 1 is mainly used for collecting the cultivation tail water, so that the sewage collecting tank 1 can be communicated with the cultivation tail water discharge end of a factory through the sewage inlet pipe 7, the cultivation tail water entering the sewage collecting tank 1 is subjected to precipitation treatment, in order to form turbulent flow in the sewage collecting tank 1 and enable precipitates to be better discharged into the solid-liquid separation mechanism 3, a stirring mechanism is arranged in the sewage collecting tank 1, the cultivation tail water containing a large amount of precipitates is discharged to the solid-liquid separation mechanism 3, the solid-liquid separation mechanism 3 can adopt solid-liquid separation equipment in the related art, no further description is given here, the cultivation tail water entering the solid-liquid separation mechanism 3 is subjected to solid-liquid separation, wherein the liquid enters the septic tank 2 through the liquid discharge end, the liquid is subjected to further environmental protection treatment by the septic tank 2, the solid is subjected to the fermentation mechanism 4 through the fixed discharge end, and the fermentation mechanism 4 is mainly used for fermenting the collected, the method can be realized by adopting a multi-time fermentation bed, the solid after fermentation is collected to the solid fertilizer collecting area 6, the solid fertilizer collecting area 6 can be a collecting device or a collecting field, only the temporary storage of the solid fertilizer can be realized, so that the culture tail water is fully treated and reused, less funds are invested in the practical application process, the requirement of pollution-free treatment can be met, the resource reutilization is achieved, products with high added values are additionally created, and the method has multiple purposes, and solves the problems of water eutrophication and environmental pollution caused by the fact that the culture tail water is not effectively utilized and is directly discharged in the related technology.
As shown in fig. 1 to 2, the dirty pond 1 of collection is including being the dirty pond 11 of first collection and the dirty pond 12 of second collection that sets up side by side, and dirty pond 11 of sewage inlet tube 7 and first collection and the dirty pond 12 intercommunication of second collection all are provided with rabbling mechanism in the dirty pond 11 of first collection and the dirty pond 12 of second collection. The sewage collecting pool 1 is provided with two sewage collecting pools, namely a first sewage collecting pool 11 and a second sewage collecting pool 12, the first sewage collecting pool 11 and the second sewage collecting pool 12 can be alternately used and are communicated with the solid-liquid separation mechanism 3, and the treatment efficiency of the culture tail water is improved.
As shown in fig. 1 to 2, a water pump is further disposed between the sewage collection tank 1 and the solid-liquid separation mechanism 3, and an inlet and an outlet of the water pump are respectively communicated with the sewage collection tank 1 and the solid-liquid separation mechanism 3 through pipelines. The sediment in the sewage collecting tank 1 is pumped into the solid-liquid separation mechanism 3 by the water pump, so that the treatment efficiency is improved. For further improving the discharge efficiency of precipitate, locate the pipeline department with water pump inlet intercommunication with rabbling mechanism for lie in the pipeline department of water pump inlet intercommunication and form the vortex, be convenient for the emission of precipitate.
As shown in fig. 1 to 2, the fertilizer drying device further comprises a drying mechanism arranged between the fermentation mechanism 4 and the solid fertilizer collecting area 6, and the feeding end and the discharging end of the drying mechanism are respectively communicated with the fermentation mechanism 4 and the solid fertilizer collecting area 6.
As shown in fig. 1 to 2, the fermentation mechanism 4 includes a fermentation bacteria mixer 41, a box 8, and a plurality of crawler-type fermentation beds 42 disposed in the box 8, two ends of the fermentation bacteria mixer 41 are respectively communicated with the solid-liquid separation mechanism 3 and the box 8, and a lower end of the box 8 is communicated with the drying mechanism.
Specifically, it should be noted that, the solid generated by the solid-liquid separation mechanism 3 enters the fermentation bacteria mixer 41 to be mixed with the biological bacteria, the efficiency of natural fermentation or compost fermentation is obviously improved by adding the biological bacteria, not only the fermentation time is shortened, but also the full fermentation can be achieved, and not only the plant can be directly absorbed and utilized, but also the soil structure can be improved, the soil quality can be improved, the plant branches and leaves are luxuriant, the taste and nutrition of the edible plant can be increased, the mixed solid enters the box body 8 and falls onto the crawler-type fermentation bed 42, as the crawler-type fermentation bed 42 is provided with a plurality of, the solid can be effectively fermented for a long time, the fermentation efficiency is improved, the crawler-type fermentation bed 42 is driven by the crawler belt to move the solid, the crawler belt is driven by the motor, the specific structure is not repeated here, the solid fermented by the crawler-type fermentation bed 42 is discharged into the drying mechanism through the lower end of the box body 8 to be dehydrated, the solid after the processing forms fertilizer and gets into solid fertile collecting region 6, for guaranteeing that the fermentation process of solid goes on smoothly on crawler-type fermentation bed 42, consequently be provided with temperature and humidity monitoring facilities on crawler-type fermentation bed 42, can dispose humidity generating equipment and the temperature generating equipment who matches with temperature and humidity monitoring facilities, humidifier and heating device promptly, control humidity generating equipment and temperature generating equipment through control circuit, control circuit makes the reaction and controls humidity generating equipment and temperature generating equipment and build corresponding humidity and temperature to the information that temperature and humidity monitoring facilities gathered, the guarantee fermentation process is high-efficient and smooth.
As shown in fig. 1 to 2, the fertilizer-fixing and fertilizer-applying machine further comprises a packaging area 5 communicated with the fertilizer-fixing and fertilizer-collecting area 6, and a crushing mechanism and a granulating mechanism are arranged in the packaging area 5. The solid waste material dehydrated by the drying mechanism can be reprocessed by the crushing mechanism and the granulating mechanism, and then is packaged, and a large amount of manpower is saved through automatic operation, so that the problem of treating the waste material in the past breeding industry is effectively solved.
As shown in fig. 1 to 2, according to another aspect of the present application, there is provided an industrial aquaculture tail water treatment method, which is applied to an industrial aquaculture tail water treatment system, and comprises the following steps: discharging the culture tail water into a sewage collection tank 1 for precipitation, discharging a solid-liquid mixture after precipitation into a solid-liquid separation mechanism 3 for solid-liquid separation, discharging liquid into a septic tank 2 for treatment, discharging solid into a fermentation mechanism 4 for fermentation, then dehydrating the fermented solid, adding nutrient components required by plants into the dehydrated solid, and granulating and forming; wherein, biological bacteria are added in the fermentation process and the fermentation temperature and humidity are controlled. The in-process accessible rabbling mechanism at the sediment stirs breed the tail water, form the vortex, thereby be convenient for divide the emission to the precipitate, control fermentation temperature and humidity specifically are for setting up temperature and humidity monitoring facilities, can dispose humidity generating equipment and the temperature generating equipment who matches with temperature and humidity monitoring facilities, humidifier and heating device promptly, control humidity generating equipment and temperature generating equipment through control circuit, control circuit makes the reaction and controls humidity generating equipment and temperature generating equipment and build corresponding humidity and temperature to the information that temperature and humidity monitoring facilities gathered, the guarantee fermentation process is high-efficient and smooth.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (10)

1. An industrial aquaculture tail water treatment system, comprising: the device comprises a sewage collecting tank, a septic tank, a solid-liquid separation mechanism, a fermentation mechanism and a solid fertilizer collecting area; wherein,
the sewage collecting tank is used for precipitating and breeding tail water, the sewage collecting tank is communicated with the solid-liquid separation mechanism, the liquid discharge end of the solid-liquid separation mechanism is communicated with the septic tank, the solid discharge end of the solid-liquid separation mechanism is communicated with the feed end of the fermentation mechanism, and the discharge end of the fermentation mechanism is communicated with the solid fertilizer collecting region.
2. The industrial aquaculture tail water treatment system according to claim 1, wherein the sewage collecting tank comprises a first sewage collecting tank and a second sewage collecting tank which are arranged side by side, the sewage inlet pipe is communicated with the first sewage collecting tank and the second sewage collecting tank, and stirring mechanisms are arranged in the first sewage collecting tank and the second sewage collecting tank.
3. The industrial aquaculture tail water treatment system according to claim 2, wherein a water pump is further arranged between the sewage collection tank and the solid-liquid separation mechanism, and an inlet and an outlet of the water pump are respectively communicated with the sewage collection tank and the solid-liquid separation mechanism through pipelines.
4. The industrial aquaculture tail water treatment system according to claim 3, wherein the stirring mechanism is provided at a pipe communicated with the water pump inlet.
5. The industrial aquaculture tail water treatment system according to claim 4, further comprising a drying mechanism arranged between the fermentation mechanism and the solid fertilizer collecting region, wherein a feeding end and a discharging end of the drying mechanism are respectively communicated with the fermentation mechanism and the solid fertilizer collecting region.
6. The industrial aquaculture tail water treatment system according to claim 5, wherein the fermentation mechanism comprises a fermentation bacteria mixer, a box body and a plurality of crawler-type fermentation beds arranged in the box body, two ends of the fermentation bacteria mixer are respectively communicated with the solid-liquid separation mechanism and the box body, and the lower end of the box body is communicated with the drying mechanism.
7. The industrial aquaculture tail water treatment system according to claim 6, wherein temperature and humidity monitoring devices are arranged on the crawler-type fermentation beds.
8. The industrial aquaculture tail water treatment system according to claim 7, further comprising a packaging area communicated with the solid fertilizer collecting area, wherein a crushing mechanism and a granulating mechanism are arranged in the packaging area.
9. An industrial aquaculture tail water treatment method applying the industrial aquaculture tail water treatment system according to any one of claims 1 to 8, characterized by comprising the following steps:
discharging the culture tail water into a sewage collection tank for precipitation, discharging a solid-liquid mixture after precipitation into a solid-liquid separation mechanism for solid-liquid separation, discharging liquid into a septic tank for treatment, discharging solid into a fermentation mechanism for fermentation, and then dehydrating the fermented solid; wherein, biological bacteria are added in the fermentation process and the fermentation temperature and humidity are controlled.
10. The industrial aquaculture tail water treatment method according to claim 9, further comprising adding plant required nutrients to the dehydrated solids, and granulating and forming.
CN202010897363.5A 2020-08-31 2020-08-31 Industrial aquaculture tail water treatment system and treatment method Pending CN111925073A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112759449A (en) * 2020-12-31 2021-05-07 王华峰 Rural sewage treatment device and treatment method

Citations (7)

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Publication number Priority date Publication date Assignee Title
CN205575894U (en) * 2016-04-19 2016-09-14 永胜腾飞家禽养殖有限公司 Animal manure environmental protection processing system
CN207330658U (en) * 2017-09-27 2018-05-08 河南省新大牧业股份有限公司 A kind of new biogas slurry treatment system
CN108275845A (en) * 2018-03-16 2018-07-13 华南理工大学 A kind of sterilization and purification device for cyclic culture water body
CN109534859A (en) * 2018-11-13 2019-03-29 安徽有机良庄农业科技股份有限公司 A kind of fish excrement using application method
CN110157613A (en) * 2019-05-23 2019-08-23 湖南民康生物技术研究所 A kind of layer frame endless track formula solid state fermentation equipment and process for solid state fermentation
CN210054304U (en) * 2019-05-30 2020-02-14 山东博敬牧业有限公司 Energy-saving three-dimensional industrial aquaculture device
CN212451094U (en) * 2020-08-31 2021-02-02 贺俊结 Industrial aquaculture tail water treatment system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205575894U (en) * 2016-04-19 2016-09-14 永胜腾飞家禽养殖有限公司 Animal manure environmental protection processing system
CN207330658U (en) * 2017-09-27 2018-05-08 河南省新大牧业股份有限公司 A kind of new biogas slurry treatment system
CN108275845A (en) * 2018-03-16 2018-07-13 华南理工大学 A kind of sterilization and purification device for cyclic culture water body
CN109534859A (en) * 2018-11-13 2019-03-29 安徽有机良庄农业科技股份有限公司 A kind of fish excrement using application method
CN110157613A (en) * 2019-05-23 2019-08-23 湖南民康生物技术研究所 A kind of layer frame endless track formula solid state fermentation equipment and process for solid state fermentation
CN210054304U (en) * 2019-05-30 2020-02-14 山东博敬牧业有限公司 Energy-saving three-dimensional industrial aquaculture device
CN212451094U (en) * 2020-08-31 2021-02-02 贺俊结 Industrial aquaculture tail water treatment system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112759449A (en) * 2020-12-31 2021-05-07 王华峰 Rural sewage treatment device and treatment method

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