CN117361742A - Sewage pretreatment tank adopting activated sludge process - Google Patents
Sewage pretreatment tank adopting activated sludge process Download PDFInfo
- Publication number
- CN117361742A CN117361742A CN202311365782.4A CN202311365782A CN117361742A CN 117361742 A CN117361742 A CN 117361742A CN 202311365782 A CN202311365782 A CN 202311365782A CN 117361742 A CN117361742 A CN 117361742A
- Authority
- CN
- China
- Prior art keywords
- activated sludge
- aeration
- sludge process
- pretreatment tank
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000008569 process Effects 0.000 title claims abstract description 42
- 239000010865 sewage Substances 0.000 title claims abstract description 34
- 238000005273 aeration Methods 0.000 claims abstract description 61
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 19
- 239000002351 wastewater Substances 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
- C02F3/1284—Mixing devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention provides an activated sludge sewage pretreatment tank, which relates to the technical field of sewage treatment and comprises a tank body, wherein a plurality of aeration pipes are arranged on the bottom surface of the inner side of the tank body, one ends of the plurality of aeration pipes are commonly connected with one side of a main air pipe, and an air inlet pipe is arranged on the other side of the main air pipe; the upper surface of each aeration pipe is fixedly connected with a plurality of jet pipes. The invention has the advantages of large disturbance degree of bubbles in the aeration process, uniform aeration, blocking prevention effect, no blocking problem after shutdown, no need of frequent maintenance of aeration positions in use and convenient use.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage pretreatment tank by an activated sludge process.
Background
The activated sludge process is an aerobic biological treatment of sewage and is invented by Clark and the cover in the United kingdom in 1912. Today, the activated sludge process and its derivative modification processes are the most widely used methods for treating municipal sewage. It can remove the biochemical organic matter in the form of solubility and colloid, suspended solids and other substances adsorbed by activated sludge, and at the same time, can remove a part of phosphorus and nitrogen. Sewage and activated sludge enter an aeration tank together to form mixed liquor. And introducing air into the mixed solution to increase the content of dissolved oxygen in the sewage, and enabling the mixed solution to be in a state of intense stirring, wherein the dissolved oxygen, the activated sludge and the sewage are mutually mixed and fully contacted, so that the reaction of the activated sludge is normal. When sewage is treated in the prior art, the microorganisms in the tank are kept at the water level of each layer through long-time aeration at the aeration spray heads, and when the sewage is required to be stopped for a long time, the descending floccules easily cause the blockage at the aeration heads, at the moment, the aeration heads are frequently cleaned and replaced, so that the smoothness of aeration equipment is ensured, and because the quantity of the aeration heads is large, the cleaning and maintenance are inconvenient, a large amount of time and cost are consumed, and inconvenience is brought.
The utility model discloses a sewage treatment plant based on activated sludge process, including aeration tank and blow off pipe, the blow off pipe sets up in the bottom of aeration tank one side, one side of aeration tank is pegged graft and is had the trachea, and tracheal bottom is located the bottom of aeration tank, tracheal one side is provided with the jet that the equidistance distributes, and the intermediate position fixedly connected with casing of aeration tank bottom inner wall, the inside of casing is provided with push rod motor, and the top of push rod motor extends to the top at casing middle part, the top fixedly connected with arc of push rod motor. In the aeration stage, the push rod motor drives the arc plate to do up-and-down reciprocating mechanical movement, the rubber ring seals the gap between the push rod motor and the shell, and when the push rod motor is pushed up, the sludge is paved on the top surface of the arc plate, so that the contact area between the sludge and air is increased, the reaction rate is accelerated, the top surface area of the arc plate is further enlarged by the strip patterns, and the paving effect is optimized. The present invention has been made in view of the above-described problems that the apparatuses related to the present disclosure have not been found to solve.
Disclosure of Invention
The invention provides a sewage pretreatment tank by an activated sludge process, and aims to at least solve the technical problems in the prior art mentioned in the background art.
The invention provides the following technical scheme to achieve the above purpose:
an activated sludge sewage pretreatment tank comprises a tank body, wherein a plurality of aeration pipes are arranged on the bottom surface of the inner side of the tank body, one ends of the plurality of aeration pipes are commonly connected with one side of a main air pipe, and an air inlet pipe is arranged on the other side of the main air pipe; the upper surface of each aeration pipe is fixedly connected with a plurality of jet pipes.
The sewage pretreatment tank adopting the activated sludge process, wherein the stirring tank is arranged on one side of the tank body, an overflow port is arranged at the joint of the stirring tank and the tank body, a stirring mechanism is arranged on the inner side of the stirring tank and comprises a top frame fixedly arranged at the upper end of the stirring tank, a motor is arranged on the upper surface of the top frame, a stirring shaft is connected to the lower part of the motor, and stirring blades are arranged at the bottom end of the stirring shaft.
In the sewage pretreatment tank adopting the activated sludge process, a drain pipe is arranged on the outer surface of one side of the Chi Tiyuan, which is away from the stirring tank.
In the sewage pretreatment tank adopting the activated sludge process, the port sliding sleeve of the jet pipe is provided with the housing, the upper surface of the housing is movably embedded with the bucket-shaped plate, the edge of the bucket-shaped plate is provided with the end cover, and the lower edge of the end cover is provided with the limit edge; the lower surface of the bucket-shaped plate is fixedly provided with a flow guiding mechanism.
The activated sludge sewage pretreatment tank comprises a guide hopper fixedly arranged on the lower surface of a hopper-shaped plate, wherein a plurality of guide plates are arranged on the lower surface of the guide hopper and are distributed in an annular array; and a plurality of inclined holes are formed in the side surface of the end cover.
In the sewage pretreatment tank adopting the activated sludge process, the sliding sleeve is arranged at the port of the lower end of the housing, and the sliding sleeve is sleeved on the outer surface of the spraying pipe.
In the sewage pretreatment tank adopting the activated sludge process, the guide ring is fixedly arranged on the inner top surface of the housing, the arc-shaped surface is arranged on the lower surface of the guide ring, and the arc-shaped surface forms a curved flow area in aeration.
In the sewage pretreatment tank adopting the activated sludge process, the lower end of the guide ring is fixedly connected with the guide strip, the outer surface of the guide strip is provided with the sliding port, the inner wall of the jet pipe is fixedly provided with the fixing rod near the upper end, and the fixing rod slides through the inner side of the sliding port to play a role in guiding the housing to slide up and down.
In the sewage pretreatment tank adopting the activated sludge process, a plurality of baffles are arranged on the upper surface of the housing around the bucket-shaped plate, a sealing mechanism is arranged on one side, away from the bucket-shaped plate, of the baffles, and the sealing mechanism seals up a through hole formed in the upper surface of the housing.
The activated sludge process sewage pretreatment tank, the sealing mechanism comprises a plurality of connecting frames fixedly connected to the lower side of the baffle, connecting columns are arranged on the upper surfaces of the connecting frames, sealing heads are arranged at the upper ends of the connecting columns, the sealing heads are slidably inserted into the inner sides of the through holes, the end parts of the connecting frames are connected with a reinforcing frame together, and limiting blocks are arranged on the upper surfaces of the reinforcing frames.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. when gas is sprayed from the spraying pipe, the cover shell is pushed upwards, the fixed rod moves downwards along the inner side of the sliding port, the guide bar prevents the cover shell from moving upwards excessively to separate from the port of the spraying pipe, the bucket-shaped plate moves upwards due to continuous impact of the gas, the end cover moves upwards at the same time, the inclined hole on the end cover is exposed outside, most of the gas is directly upwards moved after being blocked by the baffle after being discharged, and the baffle plate moves upwards synchronously due to the action of the gas flow when the sealing head is upwards punched and separated from the inner side of the through hole, so that the gas is sprayed out from the through holes on the upper side and the side surface, and the middle bubbles and the edge bubbles are distributed, thereby ensuring the uniform aeration.
2. The side surface of the invention can effectively expand the aeration range, so that compared with the traditional aeration technology, the invention can effectively reduce the number of the aeration heads, and is beneficial to the later maintenance and management.
3. In the aeration process, when the airflow impacts the guide plate, the bucket-shaped plate is guided to rotate, and the guide bucket is used for guiding the air to be sprayed out towards the inclined hole, so that bubbles are generated at the bucket-shaped plate while rotating during aeration, not only middle bubbles are generated, but also scattered bubbles are generated, the scattered bubbles have a certain transverse movement track, the effect of disturbing the edge bubbles is achieved, the turbulence degree of the bubbles during aeration is improved, and the uniformity of aeration in the tank body is facilitated.
4. In the invention, under the action of gravity, the bucket-shaped plate moves downwards, the housing moves downwards, and flocculent impurities which gradually settle fall on the upper surfaces of the bucket-shaped plate and the housing and slide away along the inclined surfaces, so that the problem of impurity accumulation is effectively avoided, the impurities cannot enter through holes and inclined holes on the upper surface, the problem of blockage cannot occur when the aeration is performed again, the service life of the aeration head is long, frequent maintenance is not needed, and the use is convenient.
5. The invention has the advantages of large disturbance degree of bubbles in the aeration process, uniform aeration, blocking prevention effect, no blocking problem after shutdown, no need of frequent maintenance of aeration positions in use and convenient use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the figures in the following description relate only to some embodiments of the invention and that other figures can be obtained from these figures without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a sewage pretreatment tank by an activated sludge process;
FIG. 2 is a schematic view of the housing of the sewage pretreatment tank by the activated sludge process according to the present invention;
FIG. 3 is a cross-sectional view of a housing of an activated sludge process wastewater pretreatment tank of the present invention;
FIG. 4 is an enlarged view of the activated sludge process wastewater pretreatment tank of FIG. 3A according to the present invention;
FIG. 5 is an enlarged view of the activated sludge process wastewater pretreatment tank of FIG. 3 at B in accordance with the present invention;
FIG. 6 is a schematic view showing the view of the lower side of a bucket plate of the sewage pretreatment tank by the activated sludge process according to the present invention;
FIG. 7 is a schematic diagram of a sealing mechanism of an activated sludge process wastewater pretreatment tank according to the present invention;
FIG. 8 is a schematic view showing another view of an activated sludge pretreatment tank according to the present invention;
FIG. 9 is a cross-sectional view of the housing of the activated sludge process wastewater pretreatment tank during aeration according to the present invention;
FIG. 10 is a flow chart of gas during aeration of an activated sludge process wastewater pretreatment tank according to the present invention;
FIG. 11 is a graph showing a first bubble distribution diagram during aeration of a sewage pretreatment tank by an activated sludge process according to the present invention;
FIG. 12 is a diagram showing a second distribution diagram of bubbles during aeration in a sewage pretreatment tank by an activated sludge process according to the present invention.
Reference numerals: 1-a pool body; 2-an aeration pipe; 3-a drain pipe; 4-a jet pipe; 5-a housing; 6-sliding sleeve; 7-a guide ring; 8-an arc surface; 9-conducting bars; 10-sliding opening; 11-a fixed rod; 12-a bucket plate; 13-end caps; 14-a guide hopper; 15-a deflector; 16-limit edges; 17-inclined holes; 18-a baffle; 19-a connecting frame; 20-reinforcing frames; 21-limiting blocks; 22-connecting columns; 23-sealing heads; 24-through holes; 25-total trachea; 26-an air inlet pipe; 27-an agitation tank; 28-top rack; 29-a stirring shaft; 30-stirring the leaves; 31-an electric motor; 32-an air intake zone; 33-a meandering region; 34-vortex zone; 35-middle bubbles; 36-edge bubbles; 37-dispersing bubbles; 38-dispersing bubbles.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present invention with reference to the accompanying drawings.
It should be noted that in the present invention: the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus; the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "transverse," "longitudinal," and the like are used for referring to an orientation or positional relationship based on that shown in the drawings, which are meant primarily to better describe the invention and its embodiments and are not meant to limit the device, element or component that is indicated to have or be constructed and operated in a particular orientation; the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order; the terms "mounted," "configured," "provided," "connected," "sleeved," and the like are to be construed broadly; for example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. Also, some terms may be used to indicate other meanings besides orientation or positional relationship, for example, the term "upper" may also be used to indicate some kind of attachment or connection in some cases. The specific meaning of these terms in the present invention will be understood by those of ordinary skill in the art according to the specific circumstances.
Examples. An activated sludge sewage pretreatment tank, as shown in fig. 8, comprises a tank body 1, wherein a plurality of aeration pipes 2 are arranged on the bottom surface of the inner side of the tank body 1, one ends of the aeration pipes 2 are commonly connected with one side of a main air pipe 25, and an air inlet pipe 26 is arranged on the other side of the main air pipe 25; the upper surface of each aeration pipe 2 is fixedly connected with a plurality of spraying pipes 4. When in use, mixed liquid of sewage and activated sludge is injected into the tank body 1, the air inlet pipe 26 is opened, air is metered into the main air pipe 25 through the air inlet pipe 26, and respectively enters each aeration pipe 2, and finally the mixed liquid is sprayed out from the spraying pipe 4 in a bubble form, so that the activated sludge reaction starts.
One side of the tank body 1 is provided with an agitating tank 27, as shown in fig. 1, and an overflow port is arranged at the joint of the agitating tank 27 and the tank body 1 and used for overflowing the recovered sludge water into the tank body 1. The stirring mechanism is arranged on the inner side of the stirring pool 27 and comprises a top frame 28 fixedly arranged at the upper end of the stirring pool, a motor 31 is arranged on the upper surface of the top frame 28, a stirring shaft 29 is connected to the lower part of the motor 31, and stirring blades 30 are arranged at the bottom end of the stirring shaft 29. The motor 31 is turned on to rotate the stirring shaft 29 and the stirring blade 30, so that the recovered sludge is mixed.
The outer surface of one side of the tank body 1 away from the stirring tank 27 is provided with a drain pipe 3. The water body is discharged out of the tank body 1 through the drain pipe 3.
The port sliding sleeve of the spraying pipe 4 is provided with a housing 5, as shown in fig. 2, the upper surface of the housing 5 is movably embedded with a bucket-shaped plate 12, the edge of the bucket-shaped plate 12 is provided with an end cover 13, and the lower edge of the end cover 13 is provided with a limit edge 16; the lower surface of the bucket-shaped plate 12 is fixedly provided with a flow guiding mechanism, the flow guiding mechanism comprises a guide bucket 14 fixedly arranged on the lower surface of the bucket-shaped plate 12, and a plurality of flow guiding plates 15 are arranged on the lower surface of the guide bucket 14. The guide plates 15 are arranged in an annular array; the side surface of the end cover 13 is provided with a plurality of inclined holes 17. As shown in fig. 6 and 10, the gas passes through the baffle 15 to form a vortex region 34 and is directed into the inclined hole 17, and simultaneously rotates the bucket plate 12.
A sliding sleeve 6 is arranged at the lower end port of the housing 5, and the sliding sleeve 6 is sleeved on the outer surface of the spraying pipe 4 as shown in fig. 3. The stability of the upward and downward movement of the housing 5 is improved by the sliding sleeve 6, and the occurrence of the problem of water infiltration into the discharge pipe 4 can be effectively reduced.
The inner top surface of the housing 5 is fixedly provided with a guide ring 7, as shown in fig. 3, 5 and 10, the lower surface of the guide ring 7 is provided with an arc surface 8, and the arc surface 8 forms a curved flow area 33 in aeration to guide airflow to the vicinity of the through hole 24. The lower extreme fixedly connected with conducting bar 9 of water conservancy diversion ring 7, slide opening 10 has been seted up to the surface of conducting bar 9, and the fixed dead lever 11 that is close to upper end department is fixedly provided with on the inner wall of blowout pipe 4, and dead lever 11 slides the inboard that passes slide opening 10, plays guiding housing 5 gliding effect from top to bottom.
The upper surface of housing 5 is provided with a plurality of baffle 18 around bucket form board 12, as shown in fig. 3, fig. 4, fig. 7, the side that the baffle 18 kept away from bucket form board 12 is provided with sealing mechanism, sealing mechanism seals up the through-hole 24 that sets up at housing 5 upper surface, sealing mechanism includes a plurality of link 19 of fixed connection below baffle 18, link 19 upper surface is provided with spliced pole 22, the upper end of spliced pole 22 is provided with sealing head 23, sealing head 23 slides the inboard of inserting through-hole 24, the tip of a plurality of link 19 connects reinforcement frame 20 jointly, the upper surface of reinforcement frame 20 is provided with stopper 21. The edge of the outer surface of the guide ring 7 lifts the lower edge of the baffle 18 to prevent the baffle 18 from moving down excessively, so that the guide sealing head 23 is separated from the through hole 24.
The side surface of the housing 5 is additionally provided with a through hole.
When the air-jet type air-jet device is used, when air is jetted from the jetting pipe 4, namely, air enters from the air inlet area 32, the movable housing 5 is pushed upwards, the opposite fixed rod 11 moves downwards along the inner side of the sliding port 10, the guide strip 9 prevents the housing 5 from moving upwards and separating from the port of the jetting pipe 4, the bucket-shaped plate 12 moves upwards due to continuous impact of the air, the end cover 13 moves upwards at the same time, the inclined hole 17 on the end cover 13 is exposed outside, after the air is exhausted, most of the air is directly upwards discharged after being blocked by the baffle 18, and the baffle 18 moves upwards synchronously due to the air flow effect, so that the upper side and the side through holes 24 are sprayed with the air, and the middle air bubbles 35 and the edge air bubbles 36 are distributed, so that the aeration uniformity can be ensured. The side air-dispersing bubbles 37 can effectively enlarge the aeration range, so that compared with the traditional aeration technology, the method can effectively reduce the number of the aeration heads and is beneficial to the later maintenance and management. During aeration, when the airflow impacts the guide plate 15, the bucket-shaped plate 12 is guided to rotate, and the guide bucket 14 is used for guiding the air to be sprayed out towards the inclined hole 17, so that bubbles are generated at the position of the bucket-shaped plate 12 while rotating during aeration, not only are middle bubbles 35 generated, but also scattered bubbles 38 are generated, the scattered bubbles 38 have a certain transverse movement track, the effect of disturbing the edge bubbles 36 is achieved, the turbulence degree during bubbling during aeration is improved, and the uniformity of aeration in the tank body 1 is facilitated. In stopping aeration, under the action of gravity, the bucket-shaped plate 12 moves downwards, the housing 5 also moves downwards, and flocculent impurities which gradually settle fall on the upper surfaces of the bucket-shaped plate 12 and the housing 5 and slide away along the inclined surfaces, so that the problem of impurity accumulation is effectively avoided, the impurities cannot enter through the through holes 24 and the inclined holes 17 on the upper surface, the problem of blockage cannot occur during re-aeration, the service life of the aeration head is long, frequent maintenance is not needed, and the use is convenient.
It will be apparent that the foregoing is only a partial, but not all, embodiment of the invention. The above embodiments are not intended to limit the invention, and various modifications and variations of the present invention will be apparent to those skilled in the art. Any other embodiments, which may be made by one of ordinary skill in the art in combination, modifications, equivalents, improvements, etc., are within the spirit and principles of the present invention.
Claims (10)
1. An activated sludge process sewage pretreatment tank is characterized in that: the sewage treatment device comprises a tank body (1), wherein a plurality of aeration pipes (2) are arranged on the bottom surface of the inner side of the tank body (1), one ends of the plurality of aeration pipes (2) are commonly connected with one side of a main air pipe (25), and an air inlet pipe (26) is arranged on the other side of the main air pipe (25); the upper surface of each aeration pipe (2) is fixedly connected with a plurality of jet pipes (4).
2. The activated sludge process wastewater pretreatment tank according to claim 1, characterized in that: one side of the tank body (1) is provided with an agitating tank (27), the joint of the agitating tank (27) and the tank body (1) is provided with an overflow port, the inner side of the agitating tank (27) is provided with an agitating mechanism, the agitating mechanism comprises a top frame (28) fixedly installed at the upper end of the agitating tank, a motor (31) is installed on the upper surface of the top frame (28), the lower part of the motor (31) is connected with an agitating shaft (29), and the bottom end of the agitating shaft (29) is provided with an agitating blade (30).
3. The activated sludge process wastewater pretreatment tank according to claim 2, characterized in that: the outer surface of one side of the tank body (1) far away from the stirring tank (27) is provided with a drain pipe (3).
4. The activated sludge process wastewater pretreatment tank according to claim 1, characterized in that: the port sliding sleeve of the spraying pipe (4) is provided with a cover shell (5), the upper surface of the cover shell (5) is movably embedded with a bucket-shaped plate (12), the edge of the bucket-shaped plate (12) is provided with an end cover (13), and the lower edge of the end cover (13) is provided with a limit edge (16); the lower surface of the bucket-shaped plate (12) is fixedly provided with a flow guiding mechanism.
5. The activated sludge process wastewater pretreatment tank according to claim 4, characterized in that: the guide mechanism comprises a guide hopper (14) fixedly arranged on the lower surface of the hopper-shaped plate (12), a plurality of guide plates (15) are arranged on the lower surface of the guide hopper (14), and the guide plates (15) are distributed in an annular array; the side surface of the end cover (13) is provided with a plurality of inclined holes (17).
6. The activated sludge process wastewater pretreatment tank according to claim 4, characterized in that: the lower end port of the housing (5) is provided with a sliding sleeve (6), and the sliding sleeve (6) is sleeved on the outer surface of the spraying pipe (4).
7. The activated sludge process wastewater pretreatment tank according to claim 4, characterized in that: the inner top surface of the housing (5) is fixedly provided with a guide ring (7), the lower surface of the guide ring (7) is provided with an arc-shaped surface (8), and the arc-shaped surface (8) forms a curved flow area (33) in aeration.
8. The activated sludge process wastewater pretreatment tank according to claim 6, characterized in that: the lower extreme fixedly connected with conducting strip (9) of water conservancy diversion ring (7), slide opening (10) have been seted up to the surface of conducting strip (9), are close to fixed dead lever (11) that are provided with in upper end department on the inner wall of blowout pipe (4), and dead lever (11) slip passes the inboard of slide opening (10), plays guide housing (5) gliding effect from top to bottom.
9. The activated sludge process wastewater pretreatment tank according to claim 4, characterized in that: the upper surface of housing (5) is provided with a plurality of baffle (18) around bucket form board (12), and one side that bucket form board (12) was kept away from to baffle (18) is provided with sealing mechanism, and sealing mechanism seals up through-hole (24) that set up at housing (5) upper surface.
10. The activated sludge process wastewater pretreatment tank according to claim 9, characterized in that: the sealing mechanism comprises a plurality of connecting frames (19) fixedly connected to the lower side of the baffle plate (18), connecting columns (22) are arranged on the upper surfaces of the connecting frames (19), sealing heads (23) are arranged at the upper ends of the connecting columns (22), the sealing heads (23) are slidably inserted into the inner sides of the through holes (24), the end parts of the connecting frames (19) are connected with a reinforcing frame (20) together, and limiting blocks (21) are arranged on the upper surfaces of the reinforcing frames (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311365782.4A CN117361742A (en) | 2023-10-20 | 2023-10-20 | Sewage pretreatment tank adopting activated sludge process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311365782.4A CN117361742A (en) | 2023-10-20 | 2023-10-20 | Sewage pretreatment tank adopting activated sludge process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117361742A true CN117361742A (en) | 2024-01-09 |
Family
ID=89407310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311365782.4A Pending CN117361742A (en) | 2023-10-20 | 2023-10-20 | Sewage pretreatment tank adopting activated sludge process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117361742A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117886458A (en) * | 2024-03-14 | 2024-04-16 | 神木市恒农农牧业科技发展有限公司 | Beef cattle farm effluent treatment plant |
-
2023
- 2023-10-20 CN CN202311365782.4A patent/CN117361742A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117886458A (en) * | 2024-03-14 | 2024-04-16 | 神木市恒农农牧业科技发展有限公司 | Beef cattle farm effluent treatment plant |
| CN117886458B (en) * | 2024-03-14 | 2024-07-23 | 神木市恒农农牧业科技发展有限公司 | Beef cattle farm effluent treatment plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117361742A (en) | Sewage pretreatment tank adopting activated sludge process | |
| CN102342259B (en) | Water circulation treatment system of outdoor high-level shrimp tank | |
| CN208340190U (en) | A kind of inclined-plate clarifying basin sewage disposal apparatus | |
| CN103011390A (en) | Novel diving jet-type biological aerated filter | |
| CN105016462B (en) | Biological aerated filter for automatically and continuously cleaning filter materials | |
| KR20070001521A (en) | Apparatus for treating waste water | |
| CN208532372U (en) | The aerobic tank for preventing sludge from accumulating | |
| CN107140755A (en) | Sewage purifying and treating device | |
| CN203382561U (en) | Draw-well guide device | |
| CN208716950U (en) | A kind of improvement sewage disposal system | |
| CN204848340U (en) | Double -chain waste water slagging -off machine | |
| US5466369A (en) | Liquid circulating device | |
| CN207537196U (en) | A kind of circulating iron carbon reduction reaction device | |
| JP4499937B2 (en) | Scum layer removing method, spray nozzle for removing scum layer, and biological reaction tank | |
| JPH11290882A (en) | Nitrogen removing apparatus | |
| CN208345855U (en) | A kind of discharge of domestic sewage in rural areas power-free multi-stage aerobic treatment mentions device for mark | |
| CN104973648B (en) | Double-chain waste-water slag remover | |
| CN220951404U (en) | Anaerobic reactor outlet pipe scale deposit belt cleaning device | |
| CN205528015U (en) | Sewage normal position ecological remediation retort | |
| CN220345164U (en) | Environmental protection chemical industry effluent disposal system | |
| KR200187971Y1 (en) | Jet loop reactor | |
| CN210030136U (en) | Paint spraying wastewater treatment device | |
| CN210261315U (en) | Liftable aeration pipe device for sewage treatment | |
| CN117585743B (en) | Sewage treatment regulating tank and regulating method | |
| CN108658231A (en) | A kind of discharge of domestic sewage in rural areas power-free multi-stage aerobic treatment carries device for mark |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |