CN215798724U - Vertical flow sewage treatment device - Google Patents
Vertical flow sewage treatment device Download PDFInfo
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- CN215798724U CN215798724U CN202121839717.7U CN202121839717U CN215798724U CN 215798724 U CN215798724 U CN 215798724U CN 202121839717 U CN202121839717 U CN 202121839717U CN 215798724 U CN215798724 U CN 215798724U
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Abstract
The utility model discloses a vertical flow sewage treatment device, which comprises a water inlet pool, an anaerobic anoxic pool, an aerobic pool, a sludge storage pool and a clean water pool which are sequentially connected along the water flow direction; a plurality of partition plates are arranged in the anaerobic anoxic tank at intervals, the partition plates are vertically arranged, a through area is formed at any one of the upper end and the lower end of each partition plate, a reaction cavity is formed between two adjacent partition plates, the two adjacent reaction cavities are communicated with each other through the through areas, the through areas are alternately distributed up and down, so that the reaction cavities are communicated into S-shaped flow channels, a biological adhesion carrier is arranged in each through area, and the biological adhesion carrier is contacted with water flow; the aerobic tank is communicated with the water outlet end of the flow channel, and a first water pumping device and an aeration device are arranged in the aerobic tank. The vertical flow sewage treatment device can increase the path of sewage flow, prolong the reaction time of sewage treatment and improve the overall treatment efficiency.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a vertical flow sewage treatment device.
Background
The sewage contains a large amount of degradable soluble or colloidal dispersed organic matters, nitrogen-containing compounds, phosphate, potassium, sodium, heavy metal ions, fungus groups and the like. If the wastewater is discharged into a natural water body without treatment or with insufficient treatment degree, water body eutrophication and toxicity accumulation can be caused, and the ecological environment is deteriorated; toxic substances in the water enter the food chain through aquatic animals, and are harmful to human health finally.
The existing running sewage treatment equipment has the problems of insufficient removal of pollutants, unsatisfactory effect and low sewage treatment efficiency.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a vertical flow sewage treatment device which can increase the path of sewage flow, prolong the reaction time of sewage treatment and improve the overall treatment efficiency.
According to the embodiment of the utility model, the vertical flow sewage treatment device comprises: a water inlet tank, an anaerobic anoxic tank, an aerobic tank, a sludge storage tank and a clean water tank which are sequentially connected along the water flow direction; the top of the water inlet tank is provided with a water inlet, and the bottom of the water inlet tank is communicated with the anaerobic anoxic tank; a plurality of partition plates are arranged in the anaerobic anoxic tank at intervals, the partition plates are vertically arranged, a through area is formed at any one of the upper end and the lower end of each partition plate, a reaction cavity is formed between two adjacent partition plates, the two adjacent reaction cavities are communicated with each other through the through areas, the through areas are alternately distributed up and down, so that the reaction cavities are communicated into S-shaped flow channels, a biological adhesion carrier is arranged in each through area, and the biological adhesion carrier is contacted with water flow; the aerobic tank is communicated with the water outlet end of the flow channel, a first water pumping device and an aeration device are arranged in the aerobic tank, and the water outlet of the first water pumping device is communicated with the water inlet end of the flow channel; the sludge storage tank is communicated with the aerobic tank, a sludge pumping device and a second water pumping device are arranged in the sludge storage tank, a sludge discharge port of the sludge pumping device is communicated with the outside of the tank, and a water outlet of the second water pumping device is communicated with the clean water tank.
The vertical flow sewage treatment device provided by the embodiment of the utility model at least has the following technical effects: the sewage reacts with microorganisms in the anaerobic anoxic tank, phosphorus-containing substances in the water can be treated, and denitrification reaction is carried out to reduce ammonia nitrogen in the water; in the aerobic tank, carrying out nitration reaction to convert ammonia nitrogen into nitrate, and transferring the nitrate into the anaerobic anoxic tank for further reaction in a reflux mode; an S-shaped water flow channel is formed in the anaerobic anoxic tank, so that the path of sewage flowing through the tank is prolonged, the reaction time is prolonged, and the sewage treatment degree by microorganisms is increased.
In some embodiments of the present invention, the aeration device includes a first aeration fan and an aeration pipe, the aeration fan is disposed outside the pool of the aerobic pool, the aeration pipe is laid around the bottom of the aerobic pool, a plurality of aeration holes are formed through the pipe wall of the aeration pipe, and one end of the aeration pipe is connected to the aeration fan outside the pool.
In some embodiments of the utility model, an air-equalizing plate is arranged above the aeration pipe, the air-equalizing plate is close to the bottom of the aerobic tank and is fixedly connected with the inner side wall of the aerobic tank, and a plurality of through holes are formed in the air-equalizing plate.
In some embodiments of the utility model, a moving bed biofilm reactor is placed inside the aerobic tank.
In some embodiments of the utility model, the aeration device comprises a membrane aeration reactor, a second aeration fan and a connecting pipe, the second aeration fan is installed outside the aerobic tank, the membrane aeration reactor is fixedly installed at the bottom of the aerobic tank, and the connecting pipe is connected with the second aeration fan to introduce air into the membrane aeration reactor.
In some embodiments of the present invention, the bio-attachment carrier is a square soft fiber filler, the soft fiber filler is loose inside and has a plurality of air holes, and the soft fiber filler is fixed in the through region.
In some embodiments of the present invention, the bio-adhesion carrier comprises a lattice-type frame fixed in the through-region, the lattice-type frame having a square shape and having a plurality of insertion grooves, and a carrier sheet inserted in the insertion grooves.
In some embodiments of the utility model, the lattice-type frame is a stainless steel frame.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a grid-type frame according to an embodiment of the present invention.
Reference numerals:
the anaerobic-anoxic-anaerobic bioreactor comprises a water inlet tank 100, an anaerobic-anoxic tank 200, a partition plate 210, a through area 220, a reaction cavity 230, a biological attachment carrier 240, a grid-type frame 241 and a carrier sheet 242;
the aerobic tank 300, the first water pumping device 310, the aeration device 320, the aeration pipe 321 and the gas homogenizing plate 330;
a sludge storage tank 400, a sludge pumping device 410, a second water pumping device 420 and a clean water tank 500.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, a vertical flow sewage treatment apparatus according to an embodiment of the present invention includes: a water inlet tank 100, an anaerobic anoxic tank 200, an aerobic tank 300, a sludge storage tank 400 and a clean water tank 500 which are sequentially connected along the water flow direction; the top of the water inlet tank 100 is provided with a water inlet, and the bottom is communicated with the anaerobic anoxic tank 200; a plurality of partition plates 210 are arranged in the anaerobic anoxic tank 200 at intervals, the partition plates 210 are vertically arranged, a through area 220 is formed at any one of the upper end and the lower end of each partition plate 210, a reaction cavity 230 is formed between two adjacent partition plates 210, the two adjacent reaction cavities 230 are communicated with each other through the through area 220, the through areas 220 are alternately distributed up and down, so that the reaction cavities 230 are communicated into an S-shaped flow channel, a biological adhesion carrier 240 is arranged in each through area 220, and the biological adhesion carrier 240 is contacted with water flow; the aerobic tank 300 is communicated with the water outlet end of the flow channel, a first water pumping device 310 and an aeration device 320 are arranged in the aerobic tank 300, and the water outlet of the first water pumping device 310 is communicated with the water inlet end of the flow channel; the sludge storage tank 400 is communicated with the aerobic tank 300, a sludge pumping device 410 and a second water pumping device 420 are arranged in the sludge storage tank 400, a sludge discharge port of the sludge pumping device 410 is communicated with the outside of the tank, and a water outlet of the second water pumping device 420 is communicated with the clean water tank 500.
The sewage enters the water inlet tank 100, is buffered and has a stable flow rate, and then flows into the anaerobic anoxic tank 200, and the microorganisms in the tank decompose the organic matters in the sewage. In the anaerobic/anoxic tank 200, the flow path of the sewage in the anaerobic/anoxic tank 200 is extended by providing the partition 210, and the organic matter in the sewage can be sufficiently decomposed by the action of the microorganisms. The bio-adhesion carrier 240 provides an environment for the microorganisms to adhere and propagate, and can increase the number of microorganisms, thereby improving the sewage treatment capability. After being decomposed in the anaerobic-anoxic tank 200, the organic matters in the sewage enter the aerobic tank 300 to contact with aerobic microorganisms, so that nitrification reaction is performed, ammonia nitrogen is converted into nitrate, and the organic matters are further decomposed into inorganic matters. The sewage containing nitrate and other inorganic salts in the aerobic tank 300 flows back to the anaerobic anoxic tank 200 through the first water pumping device 310, and denitrification reaction is performed between the denitrifying bacteria and the nitrate, so that nitrate nitrogen is removed. The sewage is circularly treated between the anaerobic anoxic tank 200 and the aerobic tank 300, and simultaneously, part of the sewage is converged into the sludge storage tank 400. In the sludge storage tank 400, the solid matters contained in the sewage are settled to the bottom of the tank and are discharged out of the tank by the sludge pumping device 410, and then the second water pumping device 420 pumps the clean water in the tank to the clean water tank 500 for storage.
In some embodiments of the present invention, the aeration device 320 includes a first aeration fan and an aeration pipe 321, the aeration fan is disposed outside the pool of the aerobic pool 300, the aeration pipe 321 is laid around the bottom of the aerobic pool 300, a plurality of aeration holes are formed on the pipe wall of the aeration pipe 321, and one end of the aeration pipe 321 is connected to the aeration fan outside the pool.
The aeration pipe 321 is arranged at the bottom of the aerobic tank 300 in a surrounding way, so that the space at the bottom of the tank is fully utilized, and the maximum aeration amount is obtained. The wall of the aeration pipe 321 is provided with a plurality of through aeration holes, and the oxygen dissolving process can be carried out at multiple points and positions after air is conveyed into the tank.
In some embodiments of the present invention, an air-equalizing plate 330 is disposed above the aeration pipe 321, the air-equalizing plate 330 is close to the bottom of the aerobic tank 300 and is fixedly connected to the inner sidewall of the aerobic tank 300, and a plurality of through holes are formed in the air-equalizing plate 330.
After the air in the aeration pipe 321 is introduced into the aerobic tank 300, the air will rise rapidly, so that the oxygen in the air cannot be dissolved in the tank water in time. The air homogenizing plate 330 is installed at a position close to the bottom of the pool, air enters the pool through the aeration pipe 321, is blocked by the air homogenizing plate 330 in the floating process, is converted into a plurality of small air bubbles which are diffused along the bottom surface of the air homogenizing plate 330, and finally continuously floats from the through holes in the air homogenizing plate 330. The air equalizing plate 330 can uniformly disperse air into the whole aerobic tank 300 when the aeration pipe 321 is aerated, and convert large air bubbles into a plurality of small air bubbles, thereby improving the oxygen dissolving efficiency in the air.
In some embodiments of the present invention, a moving bed biofilm reactor is disposed inside the aerobic tank 300.
The moving bed biofilm reactor can flow or suspend along with the impact of water flow and aeration bubbles, and bacterial colonies growing on the moving bed biofilm reactor are fully mixed with pollutants in sewage in the moving process, so that the degradation of the pollutants is facilitated. Meanwhile, the flowing moving bed biofilm reactor can not be stacked, and the growing bacterial colony has high activity and high degradation efficiency.
In some embodiments of the present invention, the aeration device 320 includes a membrane aeration reactor, a second aeration fan and a connecting pipe, the second aeration fan is installed outside the aerobic tank 300, the membrane aeration reactor is fixedly installed at the bottom of the aerobic tank 300 and is connected with the second aeration fan through the connecting pipe to introduce air into the membrane aeration reactor.
After air enters the membrane aeration reactor, the air permeates into pool water through the membrane body, so that the air is more easily dissolved, meanwhile, aerobic microorganisms can be attached to the outer surface of the membrane aeration reactor to propagate and grow, and the aerobic microorganisms have higher utilization rate of oxygen and higher treatment efficiency of sewage when performing relevant aerobic reaction.
In some embodiments of the present invention, the bio-adhesion carrier 240 is a square soft fiber filler, which is loose inside and has a plurality of air holes, and is fixed in the through region 220.
The soft fiber filler is loose and provided with a plurality of air holes, so that microorganisms can breed and attach in a large quantity, meanwhile, sewage can have good fluidity inside the soft fiber filler, the soft fiber filler is fixed in the through area 220, and the sewage can pass through each through area 220 when flowing, so that the sewage can be ensured to effectively contact with the microorganisms for reaction.
Referring to fig. 2, in some embodiments of the present invention, the bio-attachment carrier 240 includes a lattice-type frame 241 and a carrier sheet 242, the lattice-type frame 241 is fixed in the through region 220, the lattice-type frame 241 has a square shape having a plurality of insertion grooves, and the carrier sheet 242 is inserted into the insertion grooves.
The carrier sheet 242 for microorganism attachment is deformed or damaged by long-term flow impact and erosion of water flow, and the effect is reduced, and the carrier sheet 242 and the grid-type frame 241 are used in combination, and the carrier sheet 242 can be inserted into the insertion groove of the grid-type frame 241, and the damaged carrier sheet 242 is replaced periodically to prolong the service life.
In some embodiments of the present invention, the grid type frame 241 is a stainless steel frame.
The sewage contains a large amount of organic matters and inorganic matters which are often corrosive, and the stainless steel frame can better resist the corrosion of the sewage for long-term use.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A vertical flow sewage treatment plant, comprising:
a water inlet tank (100), an anaerobic anoxic tank (200), an aerobic tank (300), a sludge storage tank (400) and a clean water tank (500) which are sequentially connected along the water flow direction;
the top of the water inlet tank (100) is provided with a water inlet, and the bottom of the water inlet tank is communicated with the anaerobic anoxic tank (200);
a plurality of partition plates (210) are arranged in the anaerobic anoxic tank (200) at intervals, the partition plates (210) are vertically arranged, a through area (220) is formed at any one of the upper end and the lower end of each partition plate (210), a reaction cavity (230) is formed between two adjacent partition plates (210), two adjacent reaction cavities (230) are communicated with each other through the through area (220), the through areas (220) are alternately distributed up and down, so that the reaction cavities (230) are communicated into S-shaped flow channels, a biological adhesion carrier (240) is arranged in each through area (220), and the biological adhesion carrier (240) is contacted with water flow;
the aerobic tank (300) is communicated with the water outlet end of the flow channel, a first water pumping device (310) and an aeration device (320) are arranged in the aerobic tank (300), and the water outlet of the first water pumping device (310) is communicated with the water inlet end of the flow channel;
mud reservoir (400) with good oxygen pond (300) intercommunication, be equipped with in mud reservoir (400) and take out mud device (410) and second pumping device (420), take out the mud mouth and the outer intercommunication in pond of mud device (410), the delivery port of second pumping device (420) with clean water basin (500) intercommunication.
2. The vertical-flow sewage treatment apparatus according to claim 1, wherein the aeration device (320) comprises a first aeration fan and an aeration pipe (321), the aeration fan is disposed outside the aerobic tank (300), the aeration pipe (321) is disposed around the bottom of the aerobic tank (300), a plurality of aeration holes are formed in the wall of the aeration pipe (321), and one end of the aeration pipe (321) is connected to the aeration fan outside the tank.
3. The vertical-flow sewage treatment plant according to claim 2, wherein an air-homogenizing plate (330) is disposed above the aeration pipe (321), the air-homogenizing plate (330) is close to the bottom of the aerobic tank (300) and is fixedly connected to the inner sidewall of the aerobic tank (300), and a plurality of through holes are formed in the air-homogenizing plate (330).
4. The vertical-flow sewage treatment plant according to claim 2 wherein a moving bed biofilm reactor is fed inside the aerobic tank (300).
5. The vertical-flow sewage treatment apparatus according to claim 1, wherein said aeration device (320) comprises a membrane aeration reactor, a second aeration fan installed outside the pool of said aerobic pool (300), and a connection pipe through which said membrane aeration reactor is fixedly installed at the bottom of said aerobic pool (300) to be connected with said second aeration fan for introducing air into said membrane aeration reactor.
6. The vertical-flow wastewater treatment plant according to claim 1, wherein the bio-adhesion carriers (240) are square soft fiber fillers, the soft fiber fillers are loose inside and have a plurality of air holes, and the soft fiber fillers are fixed in the through region (220).
7. The vertical-flow sewage treatment plant according to claim 1 wherein said bio-adhesion carriers (240) comprise a lattice-type frame (241) and carrier plates (242), said lattice-type frame (241) being fixed within said through-region (220), said lattice-type frame (241) being square-shaped with a plurality of slots into which said carrier plates (242) are inserted.
8. The vertical flow wastewater treatment plant according to claim 7, wherein the lattice frame (241) is a stainless steel frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121839717.7U CN215798724U (en) | 2021-08-06 | 2021-08-06 | Vertical flow sewage treatment device |
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| CN202121839717.7U CN215798724U (en) | 2021-08-06 | 2021-08-06 | Vertical flow sewage treatment device |
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| CN215798724U true CN215798724U (en) | 2022-02-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116553712A (en) * | 2023-04-18 | 2023-08-08 | 苏州硕亚环保科技有限公司 | Integrated biological contact oxidation treatment device |
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2021
- 2021-08-06 CN CN202121839717.7U patent/CN215798724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116553712A (en) * | 2023-04-18 | 2023-08-08 | 苏州硕亚环保科技有限公司 | Integrated biological contact oxidation treatment device |
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