CN209759118U - Three-stage anaerobic-aerobic water treatment device - Google Patents
Three-stage anaerobic-aerobic water treatment device Download PDFInfo
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- CN209759118U CN209759118U CN201920038080.8U CN201920038080U CN209759118U CN 209759118 U CN209759118 U CN 209759118U CN 201920038080 U CN201920038080 U CN 201920038080U CN 209759118 U CN209759118 U CN 209759118U
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Abstract
the utility model provides a tertiary anaerobism-good oxygen water treatment facilities, include: a primary anaerobic tank; a first dissolved oxygen sensor; a primary aerobic tank; a second dissolved oxygen sensor; a first aerator; a second-stage anaerobic tank; a third dissolved oxygen sensor; a secondary aerobic tank; a fourth dissolved oxygen sensor; a second aerator; a third-stage anaerobic tank; a fifth dissolved oxygen sensor; a third-stage aerobic tank; a sixth dissolved oxygen sensor; a third aerator; and a controller. According to the utility model discloses a tertiary anaerobism-good oxygen water treatment facilities, water conservancy dwell time is long, improve the organic matter clearance, provide the chance of growing the reproduction for the denitrifying bacteria through the good oxygen cubic alternative environment of oxygen deficiency to realize synchronous nitrification and denitrification, reinforce nitrogen removal efficiency, improve the total nitrogen quality index of effluent.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment technology and particularly relates to a three-stage anaerobic-aerobic water treatment device.
Background
At present, the problem that the primary A of the urban sewage treatment plant in China is stable and reaches the standard is generally outstanding, the integrated equipment of the domestic sewage in villages and towns is generally difficult to meet the standard for emission, the problem that the primary A is stable and reaches the standard cannot be fundamentally solved because the treatment of the biological treatment process is inappropriate and the defect of the integrated equipment process is not solved.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, an object of the utility model is to provide a tertiary anaerobism-good oxygen water treatment facilities, water conservancy dwell time is long, improve the organic matter clearance, provide the opportunity of growth reproduction for the denitrifying bacteria through the good oxygen cubic alternative environment of oxygen deficiency to realize synchronous nitrification-denitrification, strengthen denitrogenation efficiency, improve the total nitrogen quality index of play water.
According to the utility model discloses a tertiary anaerobism-good oxygen water treatment facilities, include:
A primary anaerobic tank;
the first dissolved oxygen sensor is arranged in the primary anaerobic tank;
The primary aerobic tank is connected with the primary anaerobic tank;
the second dissolved oxygen sensor is arranged in the primary aerobic tank;
The first aerator is arranged in the primary aerobic tank;
The secondary anaerobic tank is connected with the primary aerobic tank;
The third dissolved oxygen sensor is arranged in the secondary anaerobic tank;
The secondary aerobic tank is connected with the secondary anaerobic tank;
the fourth dissolved oxygen sensor is arranged in the secondary aerobic tank;
the second aerator is arranged in the secondary aerobic tank;
The third-stage anaerobic tank is connected with the second-stage aerobic tank;
the fifth dissolved oxygen sensor is arranged in the third-stage anaerobic tank;
The third-stage aerobic tank is connected with the third-stage anaerobic tank;
the fourth dissolved oxygen sensor is arranged in the third-stage aerobic tank;
The third aerator is arranged in the three-stage aerobic tank;
a controller, which is respectively connected with the first dissolved oxygen sensor, the second dissolved oxygen sensor, the first aerator, the third dissolved oxygen sensor, the fourth dissolved oxygen sensor, the second aerator, the fifth dissolved oxygen sensor, the sixth dissolved oxygen sensor and the third aerator, and is used for controlling the average dissolved oxygen concentration of the primary aerobic tank, the secondary aerobic tank and the tertiary aerobic tank to be at a first preset value and controlling the average dissolved oxygen concentration of the secondary anaerobic tank and the tertiary anaerobic tank to be at a second preset value.
advantageously, said first predetermined value is 0.8mg/L and said second predetermined value is 0.3 mg/L.
Advantageously, the three-stage anaerobic-aerobic water treatment device further comprises a three-phase separator, and the three-phase separator is arranged in the three-stage aerobic tank.
advantageously, a plurality of inclined tube clarifiers are arranged in the three-phase separator.
Advantageously, the three-stage anaerobic-aerobic water treatment device further comprises a reflux pump, wherein the input end of the reflux pump is connected with the bottom of the three-phase separator, and the output end of the reflux pump is connected with the first-stage anaerobic tank.
Additional aspects and advantages of the invention 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 invention.
Drawings
fig. 1 is a schematic view of a three-stage anaerobic-aerobic water treatment apparatus according to an embodiment of the present invention.
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 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 drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The three-stage anaerobic-aerobic water treatment apparatus according to the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the three-stage anaerobic-aerobic water treatment apparatus according to the present invention comprises: the system comprises a primary anaerobic tank 101, a first dissolved oxygen sensor 102, a primary aerobic tank 103, a second dissolved oxygen sensor 104, a first aerator 105, a secondary anaerobic tank 106, a third dissolved oxygen sensor 107, a secondary aerobic tank 108, a fourth dissolved oxygen sensor 109, a second aerator 110, a tertiary anaerobic tank 111, a fifth dissolved oxygen sensor 112, a tertiary aerobic tank 113, a sixth dissolved oxygen sensor 114, a third aerator 115 and a controller (not shown).
specifically, the first dissolved oxygen sensor 102 is provided in the primary anaerobic tank 101, and detects an average dissolved oxygen concentration in the primary anaerobic tank 101.
The primary aerobic tank 103 is connected with the primary anaerobic tank 101.
The second dissolved oxygen sensor 104 is arranged in the primary aerobic tank 103 and is used for detecting the average dissolved oxygen concentration in the primary aerobic tank 103.
the first aerator 105 is arranged in the primary aerobic tank 103.
the secondary anaerobic tank 106 is connected with the primary aerobic tank 103.
The third dissolved oxygen sensor 107 is provided in the secondary anaerobic tank 106, and detects an average dissolved oxygen concentration in the secondary anaerobic tank 106.
the secondary aerobic tank 108 is connected with the secondary anaerobic tank 106.
the fourth dissolved oxygen sensor 109 is arranged in the secondary aerobic tank 108.
the second aerator 110 is arranged in the secondary aerobic tank 108.
the third-stage anaerobic tank 111 is connected with the second-stage aerobic tank 108.
the fifth dissolved oxygen sensor 112 is arranged in the third-stage anaerobic tank 111.
The third-stage aerobic tank 113 is connected with the third-stage anaerobic tank 111.
The fourth dissolved oxygen sensor 114 is arranged in the third-stage aerobic tank 113.
the third aerator 115 is arranged in the three-stage aerobic tank 113.
The controller is respectively connected with the first dissolved oxygen sensor 102, the second dissolved oxygen sensor 104, the first aerator 105, the third dissolved oxygen sensor 107, the fourth dissolved oxygen sensor 109, the second aerator 110, the fifth dissolved oxygen sensor 112, the sixth dissolved oxygen sensor 114 and the third aerator 115, and is used for controlling the average dissolved oxygen concentration of the primary aerobic tank 103, the secondary aerobic tank 108 and the tertiary aerobic tank 113 to be at a first preset value and controlling the average dissolved oxygen concentration of the secondary anaerobic tank 106 and the tertiary anaerobic tank 108 to be at a second preset value. Advantageously, said first predetermined value is 0.8mg/L and said second predetermined value is 0.3 mg/L.
That is, considering the average dissolved oxygen concentrations of the primary anaerobic tank 101, the primary aerobic tank 103, the secondary anaerobic tank 106, the secondary aerobic tank 108, the tertiary anaerobic tank 111, and the tertiary aerobic tank 113 in combination, the average dissolved oxygen concentrations of the primary aerobic tank 103, the secondary aerobic tank 108, and the tertiary aerobic tank 113 are at 0.8mg/L and the average dissolved oxygen concentrations of the secondary anaerobic tank 106 and the tertiary anaerobic tank 108 are at 0.3mg/L by the respective activation and deactivation of the first aerator 105, the second aerator 110, and the third aerator 115.
In other words, the whole biological reaction system is controlled to be in a micro-aerobic aeration state, the content of residual dissolved oxygen is reduced, complete and sufficient anoxic denitrification reaction is ensured, and the total nitrogen removal rate is improved.
Advantageously, the three-stage anaerobic-aerobic water treatment apparatus further comprises a three-phase separator 116, and the three-phase separator 116 is disposed in the three-stage aerobic tank 113. Advantageously, a plurality of tube clarifiers (not shown) are provided within the three-phase separator 116. Therefore, the three-phase separator 116 is arranged in the three-stage aerobic tank 113, the plurality of inclined tube clarifiers are arranged in the three-phase separator 116, and in the aerobic biochemical treatment process of sewage in the three-stage aerobic tank 113, aerobic activated sludge is automatically agglomerated into granules and rapidly separated into solid and liquid, so that the pollutant removal rate is improved, and the concentration of suspended matters in water is reduced: the anoxic environment formed in the inclined tube can realize the denitrification process again, and further reduce the total nitrogen index of the effluent. The method realizes the separation of mud, water and gas, saves a secondary sedimentation tank, increases the density of sludge flocs, enhances the sludge sedimentation performance, reduces the concentration of suspended matters in water, and further improves the quality of effluent. Meanwhile, the sludge age is prolonged, microorganisms enter an endogenous respiration process in the system, and the thalli are subjected to self-decomposition by taking cells of the thalli as a nutrient substrate, so that the sludge discharge amount is greatly reduced, and the sludge disposal cost is reduced.
Advantageously, the three-stage anaerobic-aerobic water treatment device further comprises a reflux pump 117, wherein the input end of the reflux pump 117 is connected with the bottom of the three-phase separator 116, and the output end of the reflux pump 117 is connected with the first-stage anaerobic tank 111. Therefore, the sludge is refluxed, so that the sludge with unique functions can be cultured, and the degradation rate of the substances difficult to degrade is improved.
According to the utility model discloses a tertiary anaerobism-good oxygen water treatment facilities reduces pollutant numerical values such as play water SS by a wide margin when strengthening nitrogen and phosphorus removal, when going out the water and reaching GB18918-2002 "town sewage treatment plant pollutant emission standard" one-level A standard, effectively improves the device utilization ratio and practices thrift sewage treatment plant and takes up an area of.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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 invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
although the embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that various changes, modifications, substitutions and alterations can be made therein by those skilled in the art without departing from the scope of the present invention.
Claims (5)
1. A three-stage anaerobic-aerobic water treatment apparatus, comprising:
a primary anaerobic tank;
The first dissolved oxygen sensor is arranged in the primary anaerobic tank;
the primary aerobic tank is connected with the primary anaerobic tank;
the second dissolved oxygen sensor is arranged in the primary aerobic tank;
The first aerator is arranged in the primary aerobic tank;
the secondary anaerobic tank is connected with the primary aerobic tank;
the third dissolved oxygen sensor is arranged in the secondary anaerobic tank;
The secondary aerobic tank is connected with the secondary anaerobic tank;
The fourth dissolved oxygen sensor is arranged in the secondary aerobic tank;
the second aerator is arranged in the secondary aerobic tank;
The third-stage anaerobic tank is connected with the second-stage aerobic tank;
The fifth dissolved oxygen sensor is arranged in the third-stage anaerobic tank;
the third-stage aerobic tank is connected with the third-stage anaerobic tank;
The fourth dissolved oxygen sensor is arranged in the third-stage aerobic tank;
The third aerator is arranged in the three-stage aerobic tank;
A controller, which is respectively connected with the first dissolved oxygen sensor, the second dissolved oxygen sensor, the first aerator, the third dissolved oxygen sensor, the fourth dissolved oxygen sensor, the second aerator, the fifth dissolved oxygen sensor, the sixth dissolved oxygen sensor and the third aerator, and is used for controlling the average dissolved oxygen concentration of the primary aerobic tank, the secondary aerobic tank and the tertiary aerobic tank to be at a first preset value and controlling the average dissolved oxygen concentration of the secondary anaerobic tank and the tertiary anaerobic tank to be at a second preset value.
2. The three-stage anaerobic-aerobic water treatment apparatus according to claim 1 wherein said first predetermined value is 0.8mg/L and said second predetermined value is 0.3 mg/L.
3. The three-stage anaerobic-aerobic water treatment apparatus according to claim 1, further comprising a three-phase separator, said three-phase separator being provided in said three-stage aerobic tank.
4. The three-stage anaerobic-aerobic water treatment apparatus according to claim 3 wherein a plurality of inclined tube clarifiers are provided in said three-phase separator.
5. The three-stage anaerobic-aerobic water treatment device according to claim 3, further comprising a reflux pump, wherein the input end of the reflux pump is connected with the bottom of the three-phase separator and the output end of the reflux pump is connected with the primary anaerobic tank.
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| CN201920038080.8U CN209759118U (en) | 2019-01-09 | 2019-01-09 | Three-stage anaerobic-aerobic water treatment device |
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| CN201920038080.8U CN209759118U (en) | 2019-01-09 | 2019-01-09 | Three-stage anaerobic-aerobic water treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140909A (en) * | 2022-08-15 | 2022-10-04 | 广东北控环保装备有限公司 | Internal and external double-reflux sewage treatment equipment, system and method of coupling regulating tank |
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- 2019-01-09 CN CN201920038080.8U patent/CN209759118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140909A (en) * | 2022-08-15 | 2022-10-04 | 广东北控环保装备有限公司 | Internal and external double-reflux sewage treatment equipment, system and method of coupling regulating tank |
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