CN113321356A - Automatic monitoring and dosing sewage treatment process for lake fixed sewage treatment plant - Google Patents
Automatic monitoring and dosing sewage treatment process for lake fixed sewage treatment plant Download PDFInfo
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- CN113321356A CN113321356A CN202110661011.4A CN202110661011A CN113321356A CN 113321356 A CN113321356 A CN 113321356A CN 202110661011 A CN202110661011 A CN 202110661011A CN 113321356 A CN113321356 A CN 113321356A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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Abstract
The invention discloses an automatic monitoring and dosing sewage treatment process for a lake fixed sewage treatment plant, which specifically comprises the following steps: s1, firstly, discharging sewage into a sedimentation tank through a water inlet pipe, filtering larger garbage impurities in the sewage through a grating plate when the sewage enters the sedimentation tank, then precipitating, after precipitating sludge at the bottom of water, opening an electromagnetic valve of a water discharge pipe through an external control mechanism, discharging the precipitated water into a treatment tank, and detecting the water quality of the sewage through a water quality monitoring sensor when the sewage passes through the water discharge pipe. This fixed sewage treatment plant automatic monitoring adds medicine sewage treatment process on lake passes through backup pad fixedly connected with motor through the left side in treatment tank, sets up agitating unit in the treatment tank for when adding the medicine, the medicine be convenient for the homodisperse in sewage, with more abundant of sewage contact, guaranteed the treatment effect of sewage.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an automatic monitoring and dosing sewage treatment process for a lake fixed sewage treatment plant.
Background
Sewage treatment is a process of purifying sewage to meet the requirement of discharging the sewage into a certain water body or reusing the sewage, the sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and the sewage treatment is also increasingly carried into daily life of common people, and is classified according to sewage sources, the sewage treatment is generally divided into production sewage treatment and domestic sewage treatment, the production sewage comprises industrial sewage, agricultural sewage, medical sewage and the like, and the domestic sewage is sewage generated in daily life and refers to complex mixtures of inorganic matters and organic matters in various forms, and the complex mixtures comprise: floating and suspended large and small solid particles, colloidal and gelatinous dispersions and pure solutions, classified according to the nature of the wastewater, have two types of water pollution: one is natural pollution, the other is artificial pollution, and the current water body is greatly damaged by artificial pollution.
Fixed sewage treatment plant when handling sewage on the lake at present, add the medicine to the water and handle usually, but current medicine mode of adding is generally directly put in to the water through the pipeline, because the water also is quiescent condition, the medicine can not the homodisperse in the water, with the water contact insufficient, reduced the result of use of medicine to influence the treatment effect of sewage.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic monitoring and dosing sewage treatment process for a lake-fixed sewage treatment plant, which solves the problems that medicines cannot be uniformly dispersed in a water body, are not fully contacted with the water body, and the using effect of the medicines is reduced, so that the sewage treatment effect is influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a lake fixed sewage treatment plant automatic monitoring dosing sewage treatment process specifically comprises the following steps:
s1, firstly, discharging sewage into a sedimentation tank through a water inlet pipe, filtering larger garbage impurities in the sewage through a grating plate when the sewage enters the sedimentation tank, then precipitating, after precipitating sludge at the bottom of water, opening an electromagnetic valve of a water discharge pipe through an external control mechanism, discharging the precipitated water into a treatment tank, and detecting the water quality of the sewage through a water quality monitoring sensor when the sewage passes through the water discharge pipe;
s2, controlling the dosing amount according to the detected water quality, controlling the dosing amount by a flow meter on a dosing tank, starting a motor after the medicine enters a treatment tank through a medicine inlet pipe, driving a stirring rod to rotate by the motor, and driving stirring blades to rotate by the stirring rod to uniformly disperse the medicine in the sewage;
s3, add the medicine and handle the completion after, open the solenoid valve of communicating pipe through external control mechanism, sewage discharge to the filter box after adding the medicine and handling, sewage gets into the filter box after, filter the water once more through coarse filtration board and fine filtration board, get rid of the impurity granule in the water, solenoid valve through opening the aeration pipe, make outside air pass through the aeration pipe and enter into the water, haplopore membrane air diffuser makes the scope of aeration wider, do benefit to and get rid of total nitrogen in the aquatic, ammonia nitrogen and COD, open the solenoid valve of outlet pipe through external control mechanism at last, can to the water discharge after handling.
Preferably, the sedimentation tank includes inlet tube and drain pipe in step S1, the left side of sedimentation tank and one side fixed connection of inlet tube, fixedly connected with grid plate between top on sedimentation tank inner wall right side and the left bottom, the right side of sedimentation tank is linked together with the delivery port of drain pipe, the fixed surface of drain pipe is connected with water quality monitoring sensor.
Preferably, the treatment tank in step S2 includes a dosing tank, the right side of the treatment tank is fixedly connected with the left side of the dosing tank, the top of the dosing tank is communicated with a dosing pipe, one end of the dosing tank, which is far away from the dosing tank, is fixedly connected with the right side of the back of the inner wall of the treatment tank, the left side of the treatment tank is fixedly connected with a motor through a supporting plate, one end of an output shaft of the motor is fixedly connected with a stirring rod through a coupler, and one end, which is far away from the motor, of the stirring rod penetrates through the treatment tank and extends into the treatment tank.
Preferably, the puddler extends to the inside one end of handling the pond and is connected with the right side rotation of handling the pond inner wall, the top on puddler surface and the equal fixedly connected with stirring vane in bottom, the fixed surface who advances the pencil is connected with the flowmeter.
Preferably, the filter box in the step S3 includes a communicating pipe, a water inlet end of the communicating pipe penetrates through the filter box and extends to the inside of the filter box, the top of two sides of the inner wall of the filter box is fixedly connected with a first L-shaped plate, a coarse filter plate is movably connected between two opposite sides of the first L-shaped plate, the bottom of two sides of the inner wall of the filter box is fixedly connected with a second L-shaped plate, and a fine filter plate is movably connected between two opposite sides of the second L-shaped plate.
Preferably, the bottom of the right side of the filter box is communicated with an aeration pipe, the left end of the aeration pipe penetrates through the filter box and extends into the filter box, and a surface of one end of the aeration pipe extending into the filter box is fixedly connected with a single-hole membrane air diffuser.
Preferably, one end of the aeration pipe extending into the filter box is fixedly connected with the left side of the inner wall of the filter box, and a water outlet pipe is communicated with the bottom of the right side of the filter box and is positioned right below the aeration pipe.
(III) advantageous effects
The invention provides an automatic monitoring and dosing sewage treatment process for a lake fixed sewage treatment plant. Compared with the prior art, the method has the following beneficial effects:
(1) fixed sewage treatment plant automatic monitoring adds medicine sewage treatment process on this lake, pass through backup pad fixedly connected with motor through the left side of handling the pond, and shaft coupling fixedly connected with puddler is passed through to the one end of motor output shaft, the one end that the motor was kept away from to the puddler runs through the inside of handling the pond and extending to the processing pond, sets up agitating unit in handling the pond for when adding the medicine, the medicine be convenient for homodisperse in sewage, with the more abundant of sewage contact, the treatment effect of sewage has been guaranteed.
(2) Fixed sewage treatment plant automatic monitoring adds medicine sewage treatment process on this lake, the right side through the sedimentation tank is linked together with the delivery port of drain pipe, the fixed surface of drain pipe is connected with water quality monitoring sensor, water quality monitoring sensor includes temperature sensor, PH sensor, turbidity sensor and dissolved oxygen sensor, is convenient for detect the quality of water of sewage to be convenient for add the medicine volume according to water quality control, make sewage treatment's effect better.
(3) Fixed sewage treatment plant automatic monitoring adds medicine sewage treatment process on this lake, swing joint has coarse filtration board through between the relative one side of two first L templates, swing joint has the fine filtration board between the relative one side of two second L templates, the bottom intercommunication on rose box right side has the aeration pipe, the left end of aeration pipe runs through the rose box and extends to the inside of rose box, the fixed surface that the aeration pipe extends to the inside one end of rose box is connected with haplopore membrane air diffuser, when carrying out filterable sewage, haplopore membrane air diffuser's setting makes the effect of aeration better, the efficiency of aeration has been improved, be more convenient for get rid of total nitrogen of aquatic, ammonia nitrogen and COD.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a perspective view of the structure of the treatment tank of the present invention.
In the figure, 1 a sedimentation tank, 11 a water inlet pipe, 12 a water outlet pipe, 13 a grating plate, 14 a water quality monitoring sensor, 2 a treatment tank, 21 a dosing tank, 22 a medicine inlet pipe, 23 a motor, 24 a stirring rod, 25 a stirring blade, 26 a flowmeter, 3 a filter box, 31 a communicating pipe, 32 a first L-shaped plate, 33 a coarse filter plate, 34 a second L-shaped plate, 35 a fine filter plate, 36 an aeration pipe, 37 a single-hole membrane air diffuser and 38 a water outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a lake fixed sewage treatment plant automatic monitoring dosing sewage treatment process specifically comprises the following steps:
s1, firstly, discharging sewage into a sedimentation tank 1 through a water inlet pipe 11, filtering larger garbage impurities in the sewage through a grating plate 13 when the sewage enters the sedimentation tank 1, then precipitating, after precipitating sludge at the bottom of water, opening an electromagnetic valve of a water discharge pipe 12 through an external control mechanism, discharging the water body after precipitation into a treatment tank 2, and detecting the water quality of the sewage through a water quality monitoring sensor 14 when the sewage passes through the water discharge pipe 12;
s2, controlling the dosing amount according to the detected water quality, controlling the dosing amount by the flow meter 26 on the dosing tank 21, starting the motor 23 after the medicine enters the treatment tank 2 through the medicine inlet pipe 22, wherein the medicine is polyacrylamide, the motor 23 drives the stirring rod 24 to rotate, and the stirring rod 24 drives the stirring blades 25 to rotate, so that the medicine is uniformly dispersed in the sewage;
s3, add the medicine and handle the completion back, open the solenoid valve of communicating pipe 31 through external control mechanism, sewage discharge to the rose box 3 after adding the medicine and handling, sewage gets into the rose box 3 back, filter the water once more through coarse filtration board 33 and fine filtration board 35, get rid of the foreign particles in the water, through the solenoid valve who opens aeration pipe 36, make outside air pass through aeration pipe 36 and enter into the water, haplopore membrane air diffuser 37 makes the scope of aeration wider, do benefit to and get rid of the total nitrogen in the aquatic, ammonia nitrogen and COD, open the solenoid valve of outlet pipe 38 through external control mechanism at last, the water discharge after handling can.
In the invention, in step S1, the sedimentation tank 1 comprises a water inlet pipe 11 and a water outlet pipe 12, an electromagnetic valve is arranged in the water outlet pipe 12 and is controlled by an external control mechanism, the left side of the sedimentation tank 1 is fixedly connected with one side of the water inlet pipe 11, a grid plate 13 is fixedly connected between the top of the right side of the inner wall of the sedimentation tank 1 and the bottom of the left side of the inner wall of the sedimentation tank 1, the right side of the sedimentation tank 1 is communicated with a water outlet of the water outlet pipe 12, a water quality monitoring sensor 14 is fixedly connected to the surface of the water outlet pipe 12, and the water quality monitoring sensor 14 comprises a temperature sensor, a PH sensor, a turbidity sensor and a dissolved oxygen sensor.
In the invention, in step S2, the treatment tank 2 includes a dosing tank 21, a dosing pipe is arranged at the top of the dosing tank 21, the right side of the treatment tank 2 is fixedly connected with the left side of the dosing tank 21, the top of the dosing tank 21 is communicated with the dosing pipe 22, one end of the dosing pipe 22, which is far away from the dosing tank 21, is fixedly connected with the right side of the back surface of the inner wall of the treatment tank 2, the left side of the treatment tank 2 is fixedly connected with a motor 23 through a support plate, the motor 23 is controlled through an external control mechanism, the model of the motor 23 is Y-160M, one end of an output shaft of the motor 23 is fixedly connected with a stirring rod 24 through a coupler, and one end of the stirring rod 24, which is far away from the motor 23, penetrates through the treatment tank 2 and extends into the treatment tank 2.
In the invention, one end of the stirring rod 24 extending into the treatment tank 2 is rotatably connected with the right side of the inner wall of the treatment tank 2, the top and the bottom of the surface of the stirring rod 24 are fixedly connected with stirring blades 25, four groups of stirring blades 25 are arranged, the stirring effect is better, the surface of the medicine inlet pipe 22 is fixedly connected with a flow meter 26, and the flow meter 26 controls the medicine inlet amount of the medicine inlet pipe 22.
In the invention, in step S3, the filter box 3 includes a communicating pipe 31, an electromagnetic valve is arranged in the communicating pipe 31, the control is performed by an external control mechanism, the water inlet end of the communicating pipe 31 penetrates through the filter box 3 and extends to the inside of the filter box 3, the tops of two sides of the inner wall of the filter box 3 are fixedly connected with first L-shaped plates 32, a coarse filter plate 33 is movably connected between two opposite sides of the first L-shaped plates 32, the bottoms of two sides of the inner wall of the filter box 3 are fixedly connected with second L-shaped plates 34, and a fine filter plate 35 is movably connected between two opposite sides of the second L-shaped plates 34.
According to the invention, the bottom of the right side of the filter box 3 is communicated with the aeration pipe 36, the electromagnetic valve is arranged in the aeration pipe 36 and is controlled by an external control mechanism, the left end of the aeration pipe 36 penetrates through the filter box 3 and extends to the inside of the filter box 3, the surface of one end of the aeration pipe 36 extending to the inside of the filter box 3 is fixedly connected with the single-hole membrane air diffuser 37, the single-hole membrane air diffuser 37 enables the diameter of air bubbles to be small, the distribution range of the air bubbles is large, and the aeration efficiency is improved.
In the invention, one end of the aeration pipe 36 extending into the filter box 3 is fixedly connected with the left side of the inner wall of the filter box 3, a water outlet pipe 38 is communicated with the bottom of the right side of the filter box 3 and is positioned right below the aeration pipe 36, an electromagnetic valve is arranged in the water outlet pipe 38, and the control is carried out by an external control mechanism.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The automatic monitoring and dosing sewage treatment process for the lake-fixed sewage treatment plant is characterized by comprising the following steps of: the method specifically comprises the following steps:
s1, firstly, discharging sewage into a sedimentation tank (1) through a water inlet pipe (11), filtering larger garbage impurities in the sewage through a grating plate (13) when the sewage enters the sedimentation tank (1), then precipitating, opening an electromagnetic valve of a drain pipe (12) through an external control mechanism after the sludge is precipitated at the bottom of water, discharging the precipitated water into a treatment tank (2), and detecting the water quality of the sewage through a water quality monitoring sensor (14) when the sewage passes through the drain pipe (12);
s2, controlling the dosing amount according to the detected water quality, controlling the dosing amount by a flow meter (26) on a dosing tank (21), starting a motor (23) after the medicine enters a treatment tank (2) through a medicine inlet pipe (22), driving a stirring rod (24) to rotate by the motor (23), and driving stirring blades (25) to rotate by the stirring rod (24) so that the medicine is uniformly dispersed in the sewage;
s3, add the medicine and handle the completion back, open the solenoid valve of communicating pipe (31) through external control mechanism, sewage discharge to rose box (3) after adding the medicine and handling, sewage gets into rose box (3) back, filter the water once more through coarse filtration board (33) and fine filtration board (35), get rid of the impurity granule in the water, solenoid valve through opening aeration pipe (36), make outside air pass through aeration pipe (36) and enter into the water, haplopore membrane air diffuser (37) make the scope of aeration wider, do benefit to and get rid of total nitrogen in the water, ammonia nitrogen and COD, open the solenoid valve of outlet pipe (38) through external control mechanism at last, the water after handling discharges can.
2. The automatic monitoring and dosing sewage treatment process of the lake-fixed sewage treatment plant according to claim 1, which is characterized in that: step S1 middle sedimentation tank (1) includes inlet tube (11) and drain pipe (12), the left side of sedimentation tank (1) and one side fixed connection of inlet tube (11), fixedly connected with grid plate (13) between top and the left bottom on sedimentation tank (1) inner wall right side, the right side of sedimentation tank (1) is linked together with the delivery port of drain pipe (12), the fixed surface of drain pipe (12) is connected with water quality monitoring sensor (14).
3. The automatic monitoring and dosing sewage treatment process of the lake-fixed sewage treatment plant according to claim 1, which is characterized in that: handle pond (2) and include dosing tank (21) in step S2, handle the right side in pond (2) and the left side fixed connection of dosing tank (21), the top intercommunication of dosing tank (21) has into pencil (22), advance the one end that dosing tank (21) were kept away from in pencil (22) and handle the right side fixed connection at pond (2) inner wall back, handle the left side in pond (2) and pass through backup pad fixedly connected with motor (23), and shaft coupling fixedly connected with puddler (24) is passed through to the one end of motor (23) output shaft, the one end that motor (23) were kept away from in puddler (24) runs through and handles pond (2) and extend to the inside of handling pond (2).
4. The automatic monitoring and dosing sewage treatment device of the lake-fixed sewage treatment plant according to claim 3, characterized in that: puddler (24) extend to the one end of handling pond (2) inside and the right side rotation of handling pond (2) inner wall and be connected, the top on puddler (24) surface and the equal fixedly connected with stirring vane (25) in bottom, the fixed surface who advances pencil (22) is connected with flowmeter (26).
5. The automatic monitoring and dosing sewage treatment process of the lake-fixed sewage treatment plant according to claim 1, which is characterized in that: step S3 middle filter tank (3) include communicating pipe (31), the end of intaking of communicating pipe (31) runs through filter tank (3) and extends to the inside of filter tank (3), the first L template (32) of the equal fixedly connected with in top of filter tank (3) inner wall both sides, two swing joint has coarse filter board (33) between the relative one side of first L template (32), the equal fixedly connected with second L template (34) in bottom of filter tank (3) inner wall both sides, two swing joint has fine filter board (35) between the relative one side of second L template (34).
6. The automatic monitoring and dosing sewage treatment device of the lake-fixed sewage treatment plant according to claim 5, characterized in that: the bottom on the right side of the filter box (3) is communicated with an aeration pipe (36), the left end of the aeration pipe (36) penetrates through the filter box (3) and extends into the filter box (3), and a single-hole membrane air diffuser (37) is fixedly connected to the surface of one end, extending to the inside of the filter box (3), of the aeration pipe (36).
7. The automatic monitoring and dosing sewage treatment device of the lake-fixed sewage treatment plant according to claim 6, characterized in that: the aeration pipe (36) extends to the left side fixed connection of the inside one end of filter tank (3) and the inner wall of filter tank (3), and the bottom on the right side of filter tank (3) is communicated with a water outlet pipe (38) under the aeration pipe (36).
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| CN113788561A (en) * | 2021-09-18 | 2021-12-14 | 新兴铸管股份有限公司 | Wastewater treatment system |
| CN113880309A (en) * | 2021-11-08 | 2022-01-04 | 刘祺 | Urban sewage treatment device and treatment process thereof |
| CN114702228A (en) * | 2022-06-01 | 2022-07-05 | 胜利油田东强机电设备制造有限公司 | Oily sludge dehydration treatment device with batch dosing function |
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