CN218202427U - Breeding wastewater treatment device - Google Patents
Breeding wastewater treatment device Download PDFInfo
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- CN218202427U CN218202427U CN202222594701.5U CN202222594701U CN218202427U CN 218202427 U CN218202427 U CN 218202427U CN 202222594701 U CN202222594701 U CN 202222594701U CN 218202427 U CN218202427 U CN 218202427U
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Abstract
The application relates to a breed effluent treatment plant includes: the device comprises a vertical flow sedimentation tank, a biochemical treatment tank and an electro-catalytic treatment tank which are arranged in sequence; the vertical sedimentation tank comprises: the sedimentation tank comprises a sedimentation tank shell, a central pipe, a shell partition plate and a central pipe partition plate; taking the direction of the water inlet of the sedimentation tank pointing to the water outlet of the sedimentation tank as the water flow direction; the central pipe is arranged inside the sedimentation tank shell along the water flow direction; the outer wall of the central pipe is provided with at least one central pipe partition plate, and the plate surface of the central pipe partition plate is vertical to the water flow direction; at least one shell partition plate is arranged on the inner wall of the shell of the sedimentation tank, and the plate surface of the shell partition plate is vertical to the water flow direction; the water outlet of the sedimentation tank is connected with a sludge collector and a biochemical treatment tank, and the sludge collector is used for collecting sediments in the aquaculture wastewater. The multilayer central tube partition plate and the shell partition plate can accelerate the precipitation of sludge in the aquaculture wastewater and improve the purification speed.
Description
Technical Field
The application relates to the technical field of aquaculture wastewater treatment device design, in particular to an aquaculture wastewater treatment device.
Background
In aquaculture plants, aquaculture wastewater belongs to three high wastewater with high organic matter concentration, high N and P content and high harmful microorganism quantity, and the direct discharge can seriously affect the surrounding environment, so the aquaculture wastewater needs to be treated.
In the prior art, the treatment of the aquaculture wastewater comprises the following steps: solid-liquid separation, anaerobic treatment and biological treatment. The solid-liquid separation is mainly to lead the culture wastewater into a sedimentation tank or a filtration system to separate, adsorb, separate and the like large-particle pollutants; the anaerobic treatment mainly comprises the steps of utilizing a chemical agent to generate an oxidation-reduction reaction with pollutants to treat ammonia elements, nitrogen elements and organic matters in the culture wastewater; the biological treatment is to absorb and degrade organic matters, nitrogen and phosphorus and the like through the metabolic activities of plants, animals and microorganisms.
In the solid-liquid separation step, the occupied area of the sedimentation tank is too large, and the filter material in the filtering system needs to be cleaned and replaced frequently, so that the occupied area of the aquaculture wastewater treatment system is too large, and the operation is unchanged.
Therefore, in order to solve the problem that the floor area among the aquaculture wastewater treatment system is too big and the filter media need frequently be changed, the application provides a aquaculture wastewater treatment device.
Disclosure of Invention
In order to overcome the problems existing in the related art, the present application provides a cultivation wastewater treatment apparatus, including:
the device comprises a vertical flow sedimentation tank, a biochemical treatment tank and an electro-catalysis treatment tank which are arranged in sequence; the vertical sedimentation tank comprises: the sedimentation tank comprises a sedimentation tank shell, a central pipe, a shell partition plate and a central pipe partition plate; the two ends of the sedimentation tank shell are respectively provided with a sedimentation tank water inlet and a sedimentation tank water outlet; the central pipe is arranged inside the sedimentation tank shell along the water flow direction; the outer wall of the central pipe is provided with at least one central pipe partition plate, and the plate surface of the central pipe partition plate is vertical to the water flow direction; at least one shell partition plate is arranged on the inner wall of the sedimentation tank shell, and the plate surface of the shell partition plate is vertical to the water flow direction; the water outlet of the sedimentation tank is connected with a sludge collector and the biochemical treatment tank, and the sludge collector is used for collecting sediments in the aquaculture wastewater.
Preferably, at least two of the center tube partition plates and at least two of the shell partition plates are respectively arranged on the outer wall of the center tube and the inner wall of the shell partition plate along the water flow direction;
the outer wall of this center tube baffle and the inner wall of this casing baffle of face one end difference swing joint of this casing baffle.
Preferably, the sludge collector comprises a pressure sensor, an overturning collecting tank and a sludge collecting pipe, and the pressure sensor, the overturning collecting tank and the sludge collecting pipe are sequentially arranged along the water flow direction;
the sludge collector is arranged at the bottoms of the vertical sedimentation tank, the biochemical treatment tank and the electro-catalysis treatment tank; this upset collecting vat is provided with two vertically symmetrical half spherical groove, and two this half spherical groove's convex surface summit reciprocal anchorage, and this convex surface summit connects the trip shaft.
Preferably, the biochemical treatment tank comprises a hydrolysis acidification area and a biochemical treatment area, and the hydrolysis acidification area and the biochemical treatment area are sequentially arranged along the water flow direction;
the hydrolysis acidification zone is communicated with the vertical flow sedimentation tank, and the biochemical treatment zone is communicated with the electro-catalytic treatment tank; the hydrolysis acidification area is used for improving the biodegradability of the culture wastewater; the biochemical treatment area is used for converting macromolecular organic matters into micromolecular organic matters.
Preferably, the electrocatalysis treatment tank comprises an electrocatalysis area and a filtering area, and the electrocatalysis area and the filtering area are sequentially arranged along the water flow direction;
an anode and a cathode are arranged in the electrocatalytic region, and the anode and the cathode are both fixed at the bottom of the electrocatalytic region; the inner wall of the filtering area is provided with a packing layer which is used for filtering the breeding wastewater.
Preferably, the packing layer comprises a cobblestone sub-layer, an activated carbon sub-layer and a granite sub-layer.
Preferably, the device also comprises a power supply module; this power module includes: the solar energy panel, the storage battery and the control circuit; the power supply module is used for supplying power to the cultivation wastewater treatment device.
Preferably, the system also comprises a monitoring module; the monitoring module is used for detecting the chemical oxygen demand, the total nitrogen content and the total phosphorus content of the culture wastewater.
The technical scheme provided by the application can comprise the following beneficial effects:
when untreated aquaculture wastewater is introduced into the vertical sedimentation tank from the water inlet of the sedimentation tank, the aquaculture wastewater firstly flows to the central tube partition plate and the shell partition plate on the top layer, then flows to the central tube partition plate and the shell partition plate on the bottom layer step by step, and finally flows out from the water outlet of the sedimentation tank. The flow of the aquaculture wastewater is very slow, so solid particles in the aquaculture wastewater gradually settle on the central pipe partition plate and the shell partition plate of each layer, and the aquaculture wastewater filtered by the multiple layers of the central pipe partition plates and the shell partition plates is collected in the water outlet of the sedimentation tank of the vertical sedimentation tank and finally flows into the biochemical treatment tank and the electro-catalytic treatment tank.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the application.
FIG. 1 is a schematic structural diagram of a cultivation wastewater treatment device provided in an embodiment of the present application;
FIG. 2 is a schematic structural view of a vertical sedimentation tank provided in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a sludge collector according to an embodiment of the present application;
FIG. 4 is a schematic view showing the structure of a biochemical treatment tank according to an embodiment of the present application;
in the figure: the device comprises a vertical flow sedimentation tank-1, a biochemical treatment tank-2, an electro-catalytic treatment tank-3, a power supply module-5, a monitoring module-6, a sedimentation tank shell-10, a central pipe-11, a shell partition-12, a central pipe partition-13, a sedimentation tank water inlet-101, a sedimentation tank water outlet-102, a sludge collector-4, a pressure sensor-40, an overturning collecting tank-41, a sludge collecting pipe-42, a hydrolytic acidification zone-20, a biochemical treatment zone-21, an electro-catalytic zone-30 and a filtration zone-32.
Detailed Description
Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application have been illustrated in the accompanying drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present application, it is to be understood that the terms "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
Example one
In the prior art, in order to treat wastewater generated in a breeding plant, solid-liquid separation needs to be performed on the breeding wastewater to remove granular solids in the breeding wastewater. At present, the aquaculture wastewater is generally led into a sedimentation tank for standing, the granular solid is waited to slowly settle to the bottom of the sedimentation tank to form sludge, and the aquaculture wastewater above the sludge is pumped to a subsequent purification process. The time for treating the breeding wastewater by the conventional sedimentation tank is too long, and the occupied area of the sedimentation tank is too large.
In order to reduce the time of the processing of the granule solid deposit among the breed waste water solid-liquid separation process, reduce the area of sedimentation tank simultaneously, this application embodiment provides a breed effluent treatment plant.
FIG. 1 is a schematic structural diagram of a cultivation wastewater treatment device provided in an embodiment of the present application.
As shown in fig. 1, an aquaculture wastewater treatment apparatus according to an embodiment of the present application includes: the device comprises a vertical flow sedimentation tank 1, a biochemical treatment tank 2 and an electro-catalysis treatment tank 3 which are arranged in sequence.
Fig. 2 is a schematic structural diagram of a vertical sedimentation tank provided in an embodiment of the present application.
As shown in fig. 2, the vertical sedimentation tank 1 includes: a sedimentation tank shell 10, a central pipe 11, a shell partition plate 12 and a central pipe partition plate 13; a sedimentation tank water inlet 101 and a sedimentation tank water outlet 102 are respectively arranged at two ends of the sedimentation tank shell 10;
the central pipe 11 is arranged inside the sedimentation tank shell 10 along the water flow direction; the outer wall of the central pipe 11 is provided with at least one central pipe partition plate 13, and the plate surface of the central pipe partition plate 13 is perpendicular to the water flow direction; at least one shell partition plate 12 is arranged on the inner wall of the sedimentation tank shell 10, and the plate surface of the shell partition plate 12 is perpendicular to the water flow direction;
specifically, the central tube partition plate 13 is provided with 3 layers, the material is a polyethylene plate, the length of the partition plate is 280mm, and the width of the partition plate is 100mm; the shell partition plates 12 are arranged in 3 layers and made of glass fiber reinforced plastic plates, and are arranged in a cross mode with the multilayer central pipe partition plates.
The water outlet 102 of the sedimentation tank is connected with a sludge collector 4 and the biochemical treatment tank 2, and the sludge collector 4 is used for collecting sediments in the aquaculture wastewater.
In this application embodiment, when untreated breed waste water lets in the vertical flow formula sedimentation tank from the sedimentation tank water inlet, breed waste water can flow on the center tube baffle and the casing baffle of top layer at first, flow the center tube baffle and the casing baffle of bottom layer step by step afterwards, flow from the sedimentation tank delivery port at last. The flow of the aquaculture wastewater is very slow, so solid particles in the aquaculture wastewater gradually settle on the central pipe partition plate and the shell partition plate of each layer, and the aquaculture wastewater filtered by the multiple layers of the central pipe partition plates and the shell partition plates is collected in the water outlet of the sedimentation tank of the vertical sedimentation tank and finally flows into the biochemical treatment tank and the electro-catalytic treatment tank.
Example two
In the first aquaculture wastewater treatment device of the embodiment, in order to more completely describe the treatment mode of the aquaculture wastewater treatment device, the embodiment of the application also provides a aquaculture wastewater treatment device.
As shown in fig. 1, an apparatus for treating aquaculture wastewater according to an embodiment of the present application includes: the device comprises a vertical flow sedimentation tank 1, a biochemical treatment tank 2 and an electro-catalytic treatment tank 3 which are arranged in sequence;
the vertical sedimentation tank 1 comprises: a sedimentation tank shell 10, a central pipe 11, a shell partition plate 12 and a central pipe partition plate 13; a sedimentation tank water inlet 101 and a sedimentation tank water outlet 102 are respectively arranged at two ends of the sedimentation tank shell 10;
the central pipe 11 is arranged inside the sedimentation tank shell 10 along the water flow direction; the outer wall of the central pipe 11 is provided with at least one central pipe partition plate 13, and the plate surface of the central pipe partition plate 13 is perpendicular to the water flow direction; at least one shell partition plate 12 is arranged on the inner wall of the sedimentation tank shell 10, and the plate surface of the shell partition plate 12 is perpendicular to the water flow direction;
the water outlet 102 of the sedimentation tank is connected with a sludge collector 4 and the biochemical treatment tank 2, and the sludge collector 4 is used for collecting sediments in the aquaculture wastewater.
Further, at least two of the central tube partition plates 13 and at least two of the shell partition plates 12 are respectively arranged on the outer wall of the central tube 11 and the inner wall of the shell partition plate 12 along the water flow direction; one ends of the surfaces of the central pipe partition plate 13 and the shell partition plate 12 are respectively movably connected with the outer wall of the central pipe 11 and the inner wall of the shell partition plate 12.
In the embodiment of the application, after a large amount of solid particles in the aquaculture wastewater are deposited on the central pipe partition plate and the shell partition plate, one end of the central pipe partition plate and one end of the shell partition plate are turned towards the water flow direction, so that the solid particles are poured into the sludge collector.
Further, as shown in fig. 3, the sludge collector 4 includes a pressure sensor 40, an inversion collection tank 41 and a sludge collection pipe 42, and the pressure sensor 40, the inversion collection tank 41 and the sludge collection pipe are arranged in sequence along the water flow direction; the sludge collector 4 is arranged at the bottom of the vertical sedimentation tank 1, the biochemical treatment tank 2 and the electrocatalysis treatment tank 3; the turning collecting groove 41 is provided with two hemispherical grooves which are symmetrical up and down, the convex surface vertexes of the two hemispherical grooves are fixed with each other, and the convex surface vertexes are connected with the turning shaft.
In this application embodiment, filterable impurity is collected in sludge collector in the vertical sedimentation tank, and when pressure sensor on sludge collector sensed pressure and exceeded preset threshold value, the trip shaft overturned two hemispherical recesses around the convex surface summit for the top accepts the hemispherical recess upset below of full mud, makes mud pour into sludge collector's bottom, and the bottom is provided with the sludge collecting pipe, and the sludge collecting pipe can absorb mud to the outside.
Further, as shown in fig. 4, the biochemical treatment tank 2 includes: a hydrolysis acidification area 20 and a biochemical treatment area 21 which are arranged in sequence;
the hydrolysis acidification zone 20 is connected with the vertical flow sedimentation tank 1, and the biochemical treatment zone 21 is connected with the electrocatalysis treatment tank 3;
the hydrolysis acidification zone 20 is used for improving the biodegradability of the aquaculture wastewater;
the biochemical treatment area 21 is used for converting macromolecular organic matters into micromolecular organic matters.
Specifically, the biochemical treatment area adopts 2-8 layers of packing layers, the thickness of the packing layers is 0.15-3 m, aeration layers are arranged above and below each layer of packing layer, each layer of aeration pipe adopts a radiation type, a grid type or a bouquet type, and the aperture of each aeration pipe is 5-15 mm.
Further, the electrocatalytic treatment cell 3 includes: an electrocatalytic zone 30 and a filtering zone 32 arranged in sequence along the direction of the water flow;
an anode and a cathode are arranged in the electrocatalytic region 30, and both the anode and the cathode are fixed at the bottom of the electrocatalytic region 30; the inner wall of the filtering area 32 is provided with a packing layer which is used for filtering the breeding wastewater.
Specifically, the packing layer comprises a cobblestone sublayer, an activated carbon sublayer and a granite sublayer.
Further, the power supply module 5 includes: the device comprises a solar panel, a storage battery and a control circuit, wherein the power supply module 5 is used for supplying power to the electro-catalysis treatment pool 3.
In the embodiment of the application, the solar panel is arranged on the top of the cultivation wastewater treatment device and used for charging the storage battery, and the storage battery supplies power to the cultivation wastewater treatment device.
Further, the method also comprises the following steps: a monitoring module 6; the monitoring module 6 is used for detecting the chemical oxygen demand, the total nitrogen content and the total phosphorus content of the culture wastewater;
in the embodiment of the application, if the chemical oxygen demand, the total nitrogen content and the total phosphorus content of the treated aquaculture wastewater do not reach the standard, the worker is warned.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
The aspects of the present application have been described in detail hereinabove with reference to the accompanying drawings. In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments. Those skilled in the art should also appreciate that acts and modules referred to in the specification are not necessarily required in the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application may be sequentially adjusted, combined, and deleted according to actual needs, and the modules in the device of the embodiment of the present application may be combined, divided, and deleted according to actual needs.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or improvements to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (8)
1. A cultivation wastewater treatment device, comprising: the device comprises a vertical flow sedimentation tank (1), a biochemical treatment tank (2) and an electro-catalysis treatment tank (3) which are arranged in sequence;
the vertical sedimentation tank (1) comprises: a sedimentation tank shell (10), a central pipe (11), a shell partition plate (12) and a central pipe partition plate (13); a sedimentation tank water inlet (101) and a sedimentation tank water outlet (102) are respectively arranged at two ends of the sedimentation tank shell (10);
the central pipe (11) is arranged inside the sedimentation tank shell (10) along the water flow direction; the outer wall of the central pipe (11) is provided with at least one central pipe partition plate (13), and the plate surface of the central pipe partition plate (13) is perpendicular to the water flow direction; at least one shell partition plate (12) is arranged on the inner wall of the sedimentation tank shell (10), and the plate surface of the shell partition plate (12) is vertical to the water flow direction;
the water outlet (102) of the sedimentation tank is connected with a sludge collector (4) and the biochemical treatment tank (2), and the sludge collector (4) is used for collecting sediments in the aquaculture wastewater.
2. The aquaculture wastewater treatment device according to claim 1, wherein at least two of the central tube partition plates (13) and at least two of the shell partition plates (12) are respectively arranged on the outer wall of the central tube (11) and the inner wall of the shell partition plates (12) in the water flow direction;
the central pipe partition plate (13) and one end of the surface of the shell partition plate (12) are respectively and movably connected with the outer wall of the central pipe (11) and the inner wall of the shell partition plate (12).
3. The aquaculture wastewater treatment apparatus according to claim 1, wherein the sludge collector (4) comprises a pressure sensor (40), an inversion collection tank (41) and a sludge collection pipe (42), and the pressure sensor (40), the inversion collection tank (41) and the sludge collection pipe are arranged in sequence along the water flow direction;
the sludge collector (4) is arranged at the bottom of the vertical sedimentation tank (1), the biochemical treatment tank (2) and the electrocatalytic treatment tank (3); the overturning collecting groove (41) is provided with two hemispherical grooves which are symmetrical up and down, the convex surface vertexes of the two hemispherical grooves are fixed with each other, and the convex surface vertexes are connected with the overturning shaft.
4. The aquaculture wastewater treatment device according to claim 1, wherein the biochemical treatment tank (2) comprises a hydrolysis acidification zone (20) and a biochemical treatment zone (21), and the hydrolysis acidification zone (20) and the biochemical treatment zone (21) are arranged in sequence along the water flow direction;
the hydrolysis acidification zone (20) is communicated with the vertical flow sedimentation tank (1), and the biochemical treatment zone (21) is communicated with the electrocatalytic treatment tank (3);
the hydrolytic acidification zone (20) is used for improving the biodegradability of the aquaculture wastewater;
the biochemical treatment area (21) is used for converting macromolecular organic matters into small molecular organic matters.
5. The aquaculture wastewater treatment device according to claim 1, wherein the electrocatalytic treatment tank (3) comprises an electrocatalytic zone (30) and a filtering zone (32), and the electrocatalytic zone (30) and the filtering zone (32) are arranged in sequence along the water flow direction;
an anode and a cathode are arranged in the electrocatalytic region (30), and the anode and the cathode are both fixed at the bottom of the electrocatalytic region (30); the inner wall of the filtering area (32) is provided with a packing layer, and the packing layer is used for filtering the culture wastewater.
6. The aquaculture wastewater treatment device according to claim 5, wherein the packing layer comprises a cobblestone sublayer, an activated carbon sublayer and a granite sublayer.
7. The aquaculture wastewater treatment device according to claim 1, further comprising a power supply module (5);
the power supply module (5) comprises: the solar energy panel, the storage battery and the control circuit;
the power supply module (5) is used for supplying power to the culture wastewater treatment device.
8. The aquaculture wastewater treatment device according to claim 1, further comprising a monitoring module (6);
the monitoring module (6) is used for detecting the chemical oxygen demand, the total nitrogen content and the total phosphorus content of the culture wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222594701.5U CN218202427U (en) | 2022-09-29 | 2022-09-29 | Breeding wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222594701.5U CN218202427U (en) | 2022-09-29 | 2022-09-29 | Breeding wastewater treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN218202427U true CN218202427U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222594701.5U Active CN218202427U (en) | 2022-09-29 | 2022-09-29 | Breeding wastewater treatment device |
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| CN (1) | CN218202427U (en) |
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