CN212024898U

CN212024898U - Aeration oxidation pond for sewage treatment

Info

Publication number: CN212024898U
Application number: CN202020730407.0U
Authority: CN
Inventors: 黄灿
Original assignee: Henan Jingmei Environmental Protection Engineering Co ltd
Current assignee: Henan Jingmei Environmental Protection Engineering Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-11-27
Anticipated expiration: 2030-05-07

Abstract

The utility model relates to an aeration oxidation pond for sewage treatment, which comprises a sedimentation tank and an aeration oxidation tank, wherein the sedimentation tank is provided with a sewage inlet and a clear water outlet, the aeration oxidation tank is provided with a clear water inlet and a water outlet, the sedimentation tank and the aeration oxidation tank are connected through the clear water outlet and the clear water inlet, an inclined plate is arranged in the sedimentation tank, one side of the inclined plate, which is lower than the inclined plate, is provided with a sludge hopper, the sedimentation tank is also provided with a sludge scraping plate, the bottom of the aeration oxidation tank is provided with a cavity, the cavity is provided with an air inlet, the top of the cavity is evenly provided with a plurality of air inlet pipes, the upper end of each air inlet pipe is provided with a one-way valve, the sedimentation tank can carry out sedimentation pretreatment on sewage entering the aeration oxidation tank, so that the sludge in the sewage is intercepted by the inclined plate and enters the sludge hopper, the sludge scraping plate can scrape the sludge retained, so that the water in the aeration oxidation pond dissolves oxygen.

Description

Aeration oxidation pond for sewage treatment

Technical Field

The utility model relates to a sewage treatment technology, in particular to an aeration oxidation pond for sewage treatment.

Background

Sewage, generally refers to effluent water from life and production, which is contaminated to some extent, and mainly includes domestic sewage, industrial wastewater, and initial rainwater. The main pollutants in the sewage are pathogen pollutants, aerobic pollutants, plant nutrients, toxic pollutants and the like, along with increasing importance to the environment by the nation and the society, the environmental monitoring is also more and more important, the achievement of the discharge standard before the discharge of the wastewater is particularly important, the aeration oxidation pond is a wastewater treatment device, mainly under the condition of oxygen, organic matters in the wastewater are adsorbed, oxidized and reduced by microorganisms in activated sludge in the oxidation pond, complex macromolecular organic matters are oxidized and decomposed into simple inorganic matters, so that the aim of purifying the wastewater is achieved, the conventional sewage treatment method generally directly inputs the sewage without removing and precipitating into the aeration oxidation pond, the sludge in the sewage is directly brought into the aeration oxidation pond, the influence is caused on the original activated sludge in the aeration oxidation pond, and the decomposition of the pollutants in the sewage is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aeration oxidation pond for sewage treatment for solve current sewage treatment method and generally will not remove the sewage direct input aeration oxidation pond of sediment, mud in the sewage is directly brought into aeration oxidation pond, causes the influence to aeration oxidation pond's original activated sludge, influences the problem of the decomposition of the pollutant in the sewage.

In order to solve the problems, the utility model provides an aeration oxidation tank for sewage treatment, which comprises a sedimentation tank and an aeration oxidation tank, wherein the sedimentation tank is provided with a sewage inlet and a clear water outlet, the aeration oxidation tank is provided with a clear water inlet and a water outlet, the sedimentation tank and the aeration oxidation tank are connected through the clear water outlet and the clear water inlet, an inclined plate is arranged in the sedimentation tank, one side of the inclined plate at the lower part is provided with a sludge hopper, a mud scraper is also arranged in the sedimentation tank, the mud scraper is arranged in the sedimentation tank through a groove in the sedimentation tank, the bottom edge of the mud scraper is contacted with the inclined plate, the mud scraper slides in the groove through a hydraulic device arranged on the sedimentation tank, the bottom of the aeration oxidation tank is provided with a cavity, an air inlet is arranged on the cavity, and the top of the cavity is evenly provided with a plurality of air inlet pipes, the upper end of the air inlet pipe is provided with a one-way valve, and the interior of the aeration oxidation pond is provided with a dissolved oxygen monitor.

The utility model provides an aeration oxidation pond for sewage treatment still has following technical characterstic:

further, the clean water outlet and the clean water inlet are connected through a water conveying pipeline.

Furthermore, the mud scraper comprises a cross beam, a connecting pipe and a scraper, wherein the cross beam and the scraper are connected together through the connecting pipe, the section of the scraper is triangular, and the scraper and the cross beam are both hollow.

Furthermore, a plurality of through holes are linearly arrayed on the edge of the scraper contacted with the inclined plate, and a joint is arranged on the cross beam.

Further, the air inlet is connected with an air pump.

Further, at least three dissolved oxygen monitors are arranged in the internal circumferential array of the aeration oxidation pond, and the dissolved oxygen monitors are positioned in the middle of the aeration oxidation pond in the height direction.

Further, the dissolved oxygen monitor and the air pump are both electrically connected with the controller.

The utility model discloses following beneficial effect has: an aeration oxidation tank for sewage treatment, which comprises a sedimentation tank and an aeration oxidation tank, wherein the sedimentation tank is provided with a sewage inlet and a clear water outlet, the aeration oxidation tank is provided with a clear water inlet and a water outlet, the sedimentation tank and the aeration oxidation tank are connected with the clear water inlet through the clear water outlet, an inclined plate is arranged in the sedimentation tank, one side of the inclined plate, which is lower, is provided with a sludge hopper, a sludge scraper is also arranged in the sedimentation tank, the sludge scraper is arranged in the sedimentation tank through a groove in the sedimentation tank, the bottom edge of the sludge scraper is contacted with the inclined plate, the sludge scraper slides in the groove through a hydraulic device arranged in the sedimentation tank, the bottom of the aeration oxidation tank is provided with a cavity, the cavity is provided with an air inlet, the top of the cavity is uniformly provided with a plurality of air inlet pipes, the upper end of the air inlet pipe is provided with a one-way valve, make the mud in the sewage by the swash plate interception and get into the sludge bucket, the mud scraper can scrape the mud that is detained on the swash plate, and the cavity of aeration oxidation pond bottom can hold the air that gets into from the air inlet and send the air into in the aeration oxidation pond through the intake pipe, makes the water in the aeration oxidation pond dissolve oxygen.

Drawings

FIG. 1 is an aeration oxidation tank for sewage treatment according to an embodiment of the present invention;

FIG. 2 is a top view of an aeration oxidation tank for sewage treatment in an embodiment of the present invention;

3 FIG. 33 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 A 3- 3 A 3 of 3 FIG. 32 3; 3

Fig. 4 is a mud scraper in an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In one embodiment of the aeration oxidation pond for sewage treatment of the present invention as shown in fig. 1 to 4, the aeration oxidation pond for sewage treatment comprises a sedimentation tank 1 and an aeration oxidation pond 2, the sedimentation tank 1 is provided with a sewage inlet 11 and a clear water outlet 12, the aeration oxidation pond 2 is provided with a clear water inlet 21 and a water outlet 22, the sedimentation tank 1 and the aeration oxidation pond 2 are connected with the clear water inlet 21 through the clear water outlet 12, the sedimentation tank 1 is provided with an inclined plate 13, one side of the inclined plate 13 at the lower part is provided with a sludge hopper 14, the sedimentation tank 1 is further provided with a sludge scraper 3, the sludge scraper 3 is installed in the sedimentation tank 1 through a groove inside the sedimentation tank 1, the bottom edge of the sludge scraper 3 is in contact with the inclined plate 13, the sludge scraper 3 slides in the groove through a hydraulic device 4 installed in the sedimentation tank 1, the bottom of the aeration oxidation pond 2 is provided with a cavity, the cavity is provided with an air inlet 23, the, the upper end of intake pipe 24 is equipped with check valve 25, the inside of aeration oxidation pond 2 is equipped with dissolved oxygen monitor 26, specifically speaking, sedimentation tank 1 can carry out the precipitation preliminary treatment with the sewage that gets into aeration oxidation pond 2, make the mud in the sewage by swash plate 13 interception and get into sludge bucket 14, mud scraper 3 can scrape away the mud that is detained on swash plate 13, the cavity of aeration oxidation pond 2 bottom can hold the air that gets into from air inlet 23 and send into aeration oxidation pond 2 with the air through intake pipe 24 in, make the water of aeration oxidation pond 2 dissolve oxygen, owing to need not to be to continuous the letting in air in to aeration oxidation pond 2, so check valve 25 can prevent that the water in aeration oxidation pond 2 from flowing out through intake pipe 24.

In one embodiment of the present application, the fresh water outlet 12 and the fresh water inlet 21 are preferably connected by a water duct 15.

In one embodiment of the present application, it is preferable that the scraper 3 includes a beam 31, a connecting pipe 32 and a scraper 33, the beam 31 and the scraper 33 are connected together through the connecting pipe 32, the scraper 33 has a triangular cross section, and both the scraper 33 and the beam 31 are hollow, specifically, the whole hollow of the scraper 3 is convenient for introducing oxygen into water.

In one embodiment of the present application, preferably, the scraper 33 and the inclined plate 13 contact each other at their edges to form a linear array of a plurality of through holes, the cross beam 31 is provided with a joint 34, specifically, the joint 34 of the cross beam 31 can be connected with an air pump, the air pump pumps air into the cross beam, the air enters the scraper 33 through the connecting pipe 32, and enters water through the through holes on the scraper 33, so that the water to be introduced into the aeration oxidation tank 2 can dissolve part of the oxygen.

In one embodiment of the present application, the air inlet 23 is preferably connected to the air pump 5, and specifically, the air pump 5 pumps air into the aeration oxidation tank 2.

In one embodiment of the present application, preferably, at least three dissolved oxygen monitors 26 are arranged in the internal circumferential array of the aeration oxidation tank 2, and the dissolved oxygen monitors 26 are located at the middle position of the aeration oxidation tank 2 in the height direction, specifically, a plurality of dissolved oxygen monitors 26 simultaneously monitor the content of dissolved oxygen in water, so as to ensure that the content of dissolved oxygen in water reaches the standard with high probability and ensure the effect of sewage treatment.

In an embodiment of the present application, preferably, the dissolved oxygen monitor 26 and the air pump 5 are electrically connected to the controller, and specifically, the dissolved oxygen monitor 26 monitors the content of dissolved oxygen in water and transmits the monitoring result to the controller, when the content of dissolved oxygen in water is monitored to be lower than a preset value, the controller starts the air pump 5 to operate, supplements oxygen to water, when the content of dissolved oxygen in water is monitored to reach the preset value, the controller stops the operation of the air pump 5, and performs a cycle to ensure that the content of dissolved oxygen in water is within a range of the preset value, so that pollutants in sewage are in a state that is most easily decomposed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; also in the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but 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 thus should not be construed as limiting the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An aeration oxidation pond for sewage treatment is characterized in that: comprises a sedimentation tank and an aeration oxidation tank, wherein the sedimentation tank is provided with a sewage inlet and a clear water outlet, the aeration oxidation tank is provided with a clear water inlet and a clear water outlet, the sedimentation tank and the aeration oxidation tank are connected with the clear water inlet through the clear water outlet, an inclined plate is arranged in the sedimentation tank, a sludge hopper is arranged at the lower side of the inclined plate, a sludge scraping plate is also arranged in the sedimentation tank, the mud scraping plate is arranged in the sedimentation tank through a groove in the sedimentation tank, the bottom edge of the mud scraping plate is contacted with the inclined plate, the mud scraping plate slides in the groove through a hydraulic device arranged in the sedimentation tank, the bottom of the aeration oxidation tank is provided with a cavity, the aeration oxidation pond is characterized in that an air inlet is formed in the cavity, a plurality of air inlet pipes are uniformly arranged at the top of the cavity, one-way valves are arranged at the upper ends of the air inlet pipes, and a dissolved oxygen monitor is arranged inside the aeration oxidation pond.

2. An aerated oxidation pond for sewage treatment according to claim 1, wherein: the clear water outlet is connected with the clear water inlet through a water conveying pipeline.

3. An aerated oxidation pond for sewage treatment according to claim 1, wherein: the mud scraper comprises a cross beam, a connecting pipe and a scraper, wherein the cross beam and the scraper are connected together through the connecting pipe, the section of the scraper is triangular, and the scraper and the cross beam are both hollow.

4. An aerated oxidation pond for sewage treatment according to claim 3, wherein: the scraper blade with a plurality of through-holes of linear array on the arris of swash plate contact, be equipped with the joint on the crossbeam.

5. An aerated oxidation pond for sewage treatment according to claim 1, wherein: the air inlet is connected with the air pump.

6. An aerated oxidation pond for sewage treatment according to claim 1, wherein: at least three dissolved oxygen monitors are arranged in the internal circumferential array of the aeration oxidation pond, and the dissolved oxygen monitors are positioned in the middle of the aeration oxidation pond in the height direction.

7. An aerated oxidation pond for sewage treatment according to claim 5, wherein: the dissolved oxygen monitor and the air pump are electrically connected with the controller.