CN218755246U - Intermittent aeration sewage treatment device - Google Patents
Intermittent aeration sewage treatment device Download PDFInfo
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- CN218755246U CN218755246U CN202223356833.0U CN202223356833U CN218755246U CN 218755246 U CN218755246 U CN 218755246U CN 202223356833 U CN202223356833 U CN 202223356833U CN 218755246 U CN218755246 U CN 218755246U
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Abstract
The utility model provides an intermittent aeration sewage treatment device, wherein a valve controls the opening and closing of a first aeration pipe and a second aeration pipe, when the first aeration pipe is aerated, the second aeration pipe is closed, and when a first membrane box is in an aeration state, the second membrane box stops aeration; when the second aeration pipe is aerated, the first aeration pipe is closed, the first membrane box stops aeration, and the second membrane box is aerated; the valve is controlled by the control board, so that the first aeration pipe and the second aeration pipe are in completely opposite states, namely one is closed, the other is in an open state, and the aeration amount and time are set by the control board, so that on one hand, energy can be saved, and on the other hand, membrane pollution can be better inhibited.
Description
Technical Field
The utility model relates to a sewage treatment protection field especially relates to an intermittent type formula aeration sewage treatment plant.
Background
The membrane bioreactor realizes the separation of hydraulic retention time and sludge age by utilizing a membrane technology, so that the operation control is more flexible, the sludge age can be prolonged, the growth and the propagation of nitrobacteria with slow proliferation are facilitated, and the denitrification efficiency is greatly improved. Meanwhile, the membrane bioreactor has long sludge age, so the amount of the generated residual sludge is very small. Meanwhile, the water quality of the effluent is higher than that of the traditional biochemical process, the membrane technology can not only intercept microorganisms in water, but also intercept part of macromolecular insoluble pollutants, prolong the retention time of the pollutants in the reactor and increase the removal rate of the pollutants difficult to degrade, but also cause the membrane pollution.
The prior art inhibits membrane pollution by aerating a membrane component and slows down membrane pollution by forming a cross-flow environment. The air quantity required by the microorganisms for decomposing pollutants during growth is much smaller than the air quantity required by the aeration of the membrane component in most cases, so that certain air quantity is wasted, and the energy conservation is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and deficiencies of the prior art and provide an intermittent aeration sewage treatment device, aiming at solving the problems in the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: an intermittent aeration sewage treatment device comprises a membrane box, a water pump and an intermittent aeration device, wherein the membrane box comprises a water outlet end, the water outlet end is connected with the water pump, the membrane box comprises a first membrane box and a second membrane box, the intermittent aeration device comprises a fan, an aeration pipe connected with the fan and a valve, the aeration pipe comprises a first aeration pipe and a second aeration pipe, the first aeration pipe is laid at the bottom of the first membrane box, the second aeration pipe is laid at the bottom of the second membrane box, and valves are arranged between the fan and the first aeration pipe and between the fan and the second aeration pipe; the control panel is connected with the valve.
The beneficial effects of the utility model are that: installing valves in the aeration pipes of the first membrane box and the second membrane box to control the aeration of the membrane areas, wherein the valves control the opening and closing of the first aeration pipe and the second aeration pipe; when the second aeration pipe is aerated, the first aeration pipe is closed, the first membrane box stops aeration, and the second membrane box is aerated; the valve is controlled by the control board, so that the first aeration pipe and the second aeration pipe are in completely opposite states, namely one is closed, the other is in an open state, and the aeration amount and time are set by the control board, so that on one hand, energy can be saved, and on the other hand, membrane pollution can be better inhibited.
Further, the valves include a first pneumatic valve disposed between the first aerator tube and the blower and a second pneumatic valve disposed between the second aerator tube and the blower.
Furthermore, the valve is a three-way electromagnetic valve, and the three-way electromagnetic valve is arranged at the junction of the fan and the first and second aeration pipes.
Furthermore, a pressure gauge is arranged between the membrane box and the water pump and used for displaying the pressure of water flow in the pipeline.
Furthermore, the intermittent aeration sewage treatment device also comprises a solar power generation panel and a distribution box, wherein the solar power generation panel is connected with the distribution box, and the distribution box is used for distributing power for the intermittent aeration sewage treatment device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a schematic view of an intermittent aeration sewage treatment apparatus according to example 1 of the present invention.
FIG. 2 is a schematic view of an intermittent aeration sewage treatment apparatus according to embodiment 2 of the present invention.
Fig. 3 shows the change of the membrane pressure between the experimental group and the control group during the first experimental run of the present invention in example 1.
Fig. 4 shows the change of the membrane pressure between the test group and the control group during the second group of experimental runs of the present invention 1.
Wherein: 10 is a membrane box, 101 is a first membrane box, 102 is a second membrane box, 20 is an intermittent aeration device, 201 is a second aeration pipe, 202 is a first aeration pipe, 203 is a second pneumatic valve, 204 is a first pneumatic valve, 205 is a fan, 206 is a three-way solenoid valve, 30 is a distribution box, 40 is a water pump, and 50 is a pressure gauge.
Detailed Description
Reference will now be made in detail to the 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 functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the 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 embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; 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 embodiments of the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, the intermittent aeration sewage treatment device provided by the first embodiment of the present invention comprises a membrane tank 10, a water pump 40 and an intermittent aeration device 20, wherein the membrane tank 10 comprises a water outlet end, and the water outlet end is connected with the water pump 40; the membrane tank 10 comprises a first membrane tank 101 and a second membrane tank 102, the intermittent aeration device comprises a fan 205, an aeration pipe connected with the fan 205 and a valve, the aeration pipe comprises a first aeration pipe 202 and a second aeration pipe 201, the first aeration pipe 202 is laid at the bottom of the first membrane tank 101, and the second aeration pipe 201 is laid at the bottom of the second membrane tank 102.
Valves are arranged between the blower 205 and the first and second aeration pipes 202 and 201, and in this embodiment, the valves include a first pneumatic valve 204 and a second pneumatic valve 203, the first pneumatic valve 204 is arranged between the first aeration pipe 202 and the blower 205, and the second pneumatic valve 203 is arranged between the second aeration pipe 201 and the blower 205. The control board is respectively connected with the first pneumatic valve 204 and the second pneumatic valve 203. Installing valves in the aeration pipes of the first membrane box 101 and the second membrane box 102 to control the membrane area aeration, wherein the valves control the opening and closing of the first aeration pipe 202 and the second aeration pipe 201, when the first aeration pipe 202 is aerated, the second aeration pipe 201 is closed, and when the first membrane box 101 is in an aeration state, the second membrane box 102 stops aeration; when the second aeration pipe 201 is aerated, the first aeration pipe 202 is closed, the first membrane tank 101 stops aeration, and the second membrane tank 102 is aerated; the valve is controlled by the control board, so that the first aeration pipe 202 and the second aeration pipe 201 are in a completely opposite state.
When the device is specifically implemented, a pressure gauge 50 is arranged between the membrane box 10 and the water pump 40 and is used for displaying the pressure of water flow in the pipeline.
During specific implementation, the intermittent aeration sewage treatment device further comprises a solar power generation board and a distribution box 30, wherein the solar power generation board is connected with the distribution box 30, and the distribution box 30 is used for distributing power for the intermittent aeration sewage treatment device.
2 sets of experiments performed in this example:
the first set of tests: under the actual operation condition, two reactors of a test group and a control group are arranged, and the scale is 500 tons/day. The test group adopts an intermittent aeration mode, the control group adopts a continuous aeration mode, the operation is carried out under the same environment and conditions, and online and offline cleaning is not carried out during the operation period. The membrane pressure is directly related to the membrane pollution condition, the greater the membrane pressure is, the more serious the membrane pollution is, the experiment tests the membrane pressure change of the test group and the control group during the 1-12 weeks of operation, the membrane pressure change of the test group and the control group is shown in fig. 3, as can be seen from fig. 3, the membrane pressure of the test group and the control group is equivalent at the 1 st week in the initial stage of operation, but the membrane pressure of the control group membrane module increases faster with the extension of the operation time, while the membrane pressure of the test group increases slower, which shows that compared with the continuous aeration mode, the intermittent aeration mode can obviously inhibit the membrane pollution.
The second set of tests: under the actual operation condition, two reactors of a test group and a control group are arranged, and the scale is 500 tons/day. The test group adopts an intermittent aeration mode, the power of a fan is reduced to a half of that of a control group, the control group adopts a continuous aeration mode, the test group and the control group operate under the same environment and conditions, and online and offline cleaning is not performed during the operation period. The experiment tests the membrane pressure change of the experimental group and the control group during the operation period of 1-12 weeks, and the result is shown in fig. 4, as can be seen from fig. 4, the membrane pressure of the experimental group and the control group gradually rises along with the extension of the operation time, and the rising amplitude is basically consistent, which shows that the intermittent aeration mode can achieve the same membrane pollution resistance effect as the continuous aeration mode by adopting lower energy consumption.
The combination of the two experiments shows that the intermittent aeration mode can save about 75 percent of energy consumption compared with the continuous aeration mode.
The utility model has the advantages that: installing valves in the aeration pipes of the first membrane box 101 and the second membrane box 102 to control the membrane area aeration, wherein the valves control the opening and closing of the first aeration pipe 202 and the second aeration pipe 201, when the first aeration pipe 202 is aerated, the second aeration pipe 201 is closed, and when the first membrane box 101 is in an aeration state, the second membrane box 102 stops aeration; when the second aeration pipe 201 is aerated, the first aeration pipe 202 is closed, the first membrane tank 101 stops aeration, and the second membrane tank 102 is aerated; the valves are controlled by the control board, so that the first aeration pipe 202 and the second aeration pipe 201 are in completely opposite states, namely one is closed and the other is in an open state, and the aeration amount and time are set by the control board, so that on one hand, energy can be saved, and on the other hand, membrane pollution can be better inhibited.
Example 2
Referring to fig. 2, the second embodiment of the present invention provides an intermittent aeration sewage treatment apparatus, which is different from the first embodiment in that, in this embodiment, a three-way electromagnetic valve 206 is adopted as a valve, the three-way electromagnetic valve 206 is disposed at the junction of the fan 205 and the first and second aeration pipes 201 and 202, the three-way electromagnetic valve 206 controls the opening and closing of the first and second aeration pipes 202 and 201, when the first aeration pipe 202 is aerated, the second aeration pipe 201 is closed, and when the first membrane box 101 is in an aeration state, the second membrane box 102 stops aeration; when the second aeration pipe 201 is aerated, the first aeration pipe 202 is closed, the first membrane tank 101 stops aeration, and the second membrane tank 102 is aerated; the embodiment can also realize the effect that the first aeration pipe 202 and the second aeration pipe 201 are in completely opposite states, namely one is closed and the other is required to be in an open state, and the aeration amount and time are set by the control board, so that on one hand, energy can be saved, and on the other hand, membrane pollution can be better inhibited.
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 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.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. An intermittent aeration sewage treatment device comprises a membrane box, a water pump, a control panel and an intermittent aeration device, and is characterized in that the membrane box comprises a water outlet end, the water outlet end is connected with the water pump, the membrane box comprises a first membrane box and a second membrane box, the intermittent aeration device comprises a fan, an aeration pipe connected with the fan and a valve, the aeration pipe comprises a first aeration pipe and a second aeration pipe, the first aeration pipe is laid at the bottom of the first membrane box, the second aeration pipe is laid at the bottom of the second membrane box, and valves are arranged between the fan and the first aeration pipe and between the fan and the second aeration pipe; the control panel is connected with the valve.
2. An intermittent aerated wastewater treatment device according to claim 1, wherein said valves comprise a first pneumatic valve and a second pneumatic valve, said first pneumatic valve being disposed between said first aeration pipe and said blower, said second pneumatic valve being disposed between said second aeration pipe and said blower.
3. An intermittent aeration wastewater treatment device according to claim 1, wherein the valve is a three-way electromagnetic valve, and the three-way electromagnetic valve is arranged at the junction of the fan and the first aeration pipe and the second aeration pipe.
4. An intermittent aeration wastewater treatment apparatus according to claim 1, wherein a pressure gauge is provided between the membrane tank and the water pump.
5. An intermittent aeration wastewater treatment device according to claim 1, further comprising a solar power generation panel and a distribution box, wherein the solar power generation panel is connected with the distribution box, and the distribution box is used for distributing power for the intermittent aeration wastewater treatment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223356833.0U CN218755246U (en) | 2022-12-14 | 2022-12-14 | Intermittent aeration sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223356833.0U CN218755246U (en) | 2022-12-14 | 2022-12-14 | Intermittent aeration sewage treatment device |
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| Publication Number | Publication Date |
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| CN218755246U true CN218755246U (en) | 2023-03-28 |
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| CN202223356833.0U Active CN218755246U (en) | 2022-12-14 | 2022-12-14 | Intermittent aeration sewage treatment device |
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