Waste water aeration device
Technical Field
The utility model relates to a waste water treatment field especially relates to a waste water aeration equipment.
Background
The aerator is an aeration and oxygenation device frequently used in the wastewater treatment industry, and is widely applied to wastewater treatment biological tanks of various sewage treatment plants, can improve the oxygen content in the biological tanks and enhance the degradation and purification effects of microorganisms, or can remove harmful gases such as carbon dioxide, nitrogen sulfide and the like dissolved in wastewater through aeration.
The aeration devices (a microporous plate type aerator and an aeration tank) used at present are all installed in a centralized way, are large in size and difficult to maintain, and only aeration equipment in a blast aeration tank has no stirring function, so that suspended matters are easy to settle and are difficult to clean.
Disclosure of Invention
The utility model aims at providing a waste water aeration device, in particular to a box-type aeration device used for aeration and oxygenation in the waste water treatment industry.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a waste water aeration equipment, includes the box, sets up the box in the aeration subassembly, the box on be connected with sewage inlet tube, sewage outlet pipe, the aeration subassembly include with the aeration pipe, connect a plurality of aerators on the aeration pipe, the aeration pipe stretch out the box be linked together with the air supply, aeration equipment still include the stirring subassembly, the stirring subassembly include the (mixing) shaft, with the stirring driving piece that the (mixing) shaft is connected, the one end of (mixing) shaft stretch into to the box in and with aeration equipment fixed connection.
Preferably, the aerator pipe comprises an air inlet pipe with one end communicated with an air source and a plurality of air distribution pipes with one end communicated with the other end of the air inlet pipe, the plurality of aerators are connected to the air distribution pipes, and the stirring shaft penetrates through the air inlet pipe.
Further preferably, the gas distribution pipe comprises a first gas distribution pipe section and a second gas distribution pipe section, one end of the first gas distribution pipe section is communicated with the other end of the gas inlet pipe, one end of the second gas distribution pipe section is communicated with the other end of the first gas distribution pipe section, and the plurality of aerators are connected to the second gas distribution pipe section.
Further preferably, the gas distribution pipe further comprises an annular pipe, and the other end of each of the first gas distribution pipe sections and one end of each of the second gas distribution pipe sections are communicated with the annular pipe.
Still further preferably, two annular pipes are provided, and two ends of the second gas distributing pipe section are respectively communicated with the annular pipes.
Further preferably, the air inlet pipe and the second air distribution pipe section extend along the horizontal direction of the box body, and the plurality of second air distribution pipe sections are distributed around the axial lead of the air inlet pipe.
Preferably, the stirring shafts extend into the box body from two sides of the box body respectively and are connected with the aeration device.
Preferably, the stirring shaft extends along the horizontal direction of the box body.
Preferably, the aeration assemblies and the stirring assemblies are provided with a plurality of groups, and the groups of aeration assemblies and the groups of stirring assemblies are distributed along the vertical direction of the box body.
Preferably, the box body is provided with an overflow port and a sewage draining port, the overflow port is arranged at the top of the box body, and the sewage draining port is arranged at the bottom of the box body.
Preferably, the sewage inlet pipe and the sewage outlet pipe are provided with control valves.
Preferably, the box body is made of 316L stainless steel, the aerator pipe is made of PVC plastic, and the aerator is made of PP plastic.
Preferably, the air inlet of the aerator is provided with a reverse valve to prevent sewage from flowing back.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses still have stirring function in the aeration, perfect combine mechanical aeration and oxygenation aeration together, can many parallelly connected aeration that realizes large-traffic sewage treatment, can realize small flow sewage treatment's aeration function simultaneously, effectual harmful substance such as SS, COD, BOD that have reduced in the sewage.
Drawings
FIG. 1 is a schematic front sectional view of the present embodiment;
figure 2 is a side view of the aeration assembly of this embodiment.
In the above drawings:
1. a box body; 10. a sewage inlet pipe; 11. a sewage outlet pipe; 12. an overflow port; 13. a sewage draining outlet; 14. a cover body; 20. an aerator; 21. an air inlet pipe; 220. a first gas-distributing pipe section; 221. a second gas-distributing pipe section; 23. an annular tube; 3. a stirring shaft.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The wastewater aeration device shown in figure 1 comprises a box body 1, an aeration component and a stirring component which are arranged in the box body 1. Wherein:
be connected with sewage inlet tube 10, sewage outlet pipe 11 on the box 1, seted up overflow mouth 12, drain 13 on the box 1, sewage inlet tube 10, overflow mouth 12 are located the top of box 1, and sewage outlet pipe 11, drain 13 are located the bottom of box 1. Control valves (electromagnetic valves) are arranged on the sewage inlet pipe 10 and the sewage outlet pipe 11 to control the aeration flow and the aeration time in the box body 1. In addition, a cover body 14 is arranged at the top of the box body 1, and the cover body 14 can be opened to facilitate access maintenance and overhaul.
As shown in fig. 1 and 2: the aeration component comprises an aeration pipe and a plurality of aerators 20 connected to the aeration pipe, and the aeration pipe extends out of the box body 1 and is communicated with an air source; the aerator 20 is, for example, a micro-porous aerator, and a reverse valve is provided at an air inlet of the aerator 20 to prevent the sewage from flowing back. In this embodiment: the aeration pipe comprises an air inlet pipe 21 with one end communicated with an air source, a plurality of air distribution pipes with one end communicated with the other end of the air inlet pipe 21 and an annular pipe 23, and a plurality of aerators 20 are connected to the air distribution pipes. Specifically, the method comprises the following steps: the gas-distributing pipe includes first gas-distributing pipe section 220, second gas-distributing pipe section 221, and the one end of first gas-distributing pipe section 220 is linked together with the other end of intake pipe 21, and the one end of second gas-distributing pipe section 221 is linked together with the other end of first gas-distributing pipe section 220, and the other end of a plurality of first gas-distributing pipe sections 220, the one end of second gas-distributing pipe section 221 all are linked together with annular pipe 23, and a plurality of aerators 20 are connected on second gas-distributing pipe section 221. The number of the annular pipes 23 is two, two ends of the second gas distribution pipe section 221 are respectively communicated with the annular pipes 23, that is, the two annular pipes 23 and the plurality of second gas distribution pipe sections 221 enclose a cylindrical gas distribution pipe structure, the gas inlet pipe 21 and the second gas distribution pipe sections 221 extend along the horizontal direction of the box body 1, and the plurality of second gas distribution pipe sections 221 are distributed around the axial lead of the gas inlet pipe 21.
The stirring subassembly includes (mixing) shaft 3, the stirring driving piece that is connected with (mixing) shaft 3, like motor etc. and the one end of (mixing) shaft 3 stretches into in the box 1 and with aeration equipment fixed connection. In this embodiment: the stirring shaft 3 also extends along the horizontal direction of the box body 1, penetrates through the air inlet pipe 31, and is convenient to rotate by the stirring shaft 3 due to the adoption of a cylindrical gas distributing pipe structure. The stirring shafts 3 shown in the figure extend into the box body 1 from two sides of the box body 1 respectively and are connected with the aeration device.
The aeration components and the stirring components are provided with a plurality of groups, the aeration components and the stirring components are distributed along the vertical direction of the box body 1, and three groups are taken as an example in the figure.
The box body 1 is made of 316L stainless steel; the aeration pipe is made of PVC plastic; the aerator 20 is made of PP plastic.
The following specifically explains the working process of this embodiment:
the manufactured and molded embodiment is used for a certain Suzhou sewage treatment plant, sewage flows into the box body 1 from the sewage inlet pipe 11 and flows out from the sewage outlet pipe 12, the motor drives the stirring shaft 3 which is coaxial with the air inlet pipe 21 and the coaxial line to rotate, so that the whole aeration assembly is driven to rotate, the sewage in the aeration device is stirred, the oxygen content in the box body 1 is more uniform, the oxidation effect of microorganisms in the sewage is accelerated, the aeration effect of instruments is achieved, and meanwhile, suspended matters are prevented from settling; the compressed air flows in from the air inlet pipe 21 coaxial with the stirring shaft 3 and then is uniformly distributed in each second air distribution pipe section 221, flows out from the micropores of the aerator 20, and continuously oxygenizes the sewage. Estimated, the oxygen dissolution rate of this example was 27% and the oxygenation efficiency was 6.4 kg/(kW. h).
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.