CN111423056A

CN111423056A - Aeration device for sewage treatment

Info

Publication number: CN111423056A
Application number: CN202010245992.XA
Authority: CN
Inventors: 成秀梅; 杜威彤; 陈满庭
Original assignee: Jiangsu Vocational College of Medicine
Current assignee: Jiangsu Vocational College of Medicine
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-07-17
Anticipated expiration: 2040-03-31
Also published as: CN111423056B

Abstract

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment aeration device, which comprises a pool body, wherein a partition plate is vertically arranged in the middle of the pool body to divide the pool body into a filtering pool and an aeration pool, a filtering device is transversely arranged in the middle of the filtering pool, a sewage discharge outlet is arranged at the bottom of the filtering pool, a sewage inlet pipe is arranged on the side wall of the filtering pool, the sewage inlet pipe is positioned below the filtering device, a water suction pump is arranged at the upper part of the partition plate and used for pumping sewage in the filtering pool into the aeration pool, a detachable activated sludge carrier is arranged in the aeration pool, the activated sludge carrier is filled with activated sludge, the activated sludge carrier is movably connected with the side wall of the aeration pool, a cylindrical large through hole is vertically arranged in the middle of the activated sludge carrier, a plurality of small through holes, and a sewage outlet pipe is arranged on the side wall of the bottom of the aeration tank.

Description

Aeration device for sewage treatment

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment aeration device.

Background

At present, people often utilize an aeration tank to treat sewage, the aeration tank is a structure for treating sewage by utilizing an activated sludge method, and the aeration tank mainly comprises a tank body, an aeration system and a water inlet and a water outlet. The tank body is generally built by reinforced concrete, and the plane shape of the tank body is rectangular, square, circular and the like; aeration is a means of bringing air into strong contact with water, and is aimed at dissolving oxygen in the air in water or expelling unnecessary gases and volatile substances in the water into the air. In other words, it is a means of facilitating mass exchange between gas and liquid. In the existing aeration device, the sewage and air are not sufficiently mixed, so that the aeration efficiency is low, and the ever-increasing sewage treatment requirement of people is difficult to meet.

Disclosure of Invention

Aiming at the defects and shortcomings of the prior art, the invention discloses a sewage treatment aeration device.

The technical scheme used for solving the technical problems of the invention is as follows: the sewage treatment aeration device comprises a tank body, wherein a partition plate is vertically arranged in the middle of the tank body to divide the tank body into a left part and a right part which are respectively a filtering tank and an aeration tank, a lifting type filtering device is transversely arranged in the middle of the filtering tank, a sewage discharge outlet is arranged at the bottom of the filtering tank, a sewage inlet pipe is arranged on the side wall of the filtering tank, the sewage inlet pipe is positioned below the filtering device, a water suction pump is arranged at the upper part of the partition plate and used for pumping sewage in the filtering tank into the aeration tank, a detachable activated sludge carrier is arranged in the aeration tank, activated sludge is filled in the activated sludge carrier, the activated sludge carrier is movably connected with the side wall of the aeration tank, a cylindrical large through hole is vertically arranged in the middle of the activated sludge carrier, a plurality of small through holes which are vertically arranged are distributed around, the side wall of the bottom of the aeration tank is provided with a sewage outlet pipe, and the sewage inlet pipe and the sewage outlet pipe are both provided with stop valves.

Preferably, the filtering device comprises a filtering net, the outer edge of the filtering net is in close contact with the side wall of the filtering pond, a mounting frame is arranged at the top of the filtering pond, the mounting frame corresponds to the central position of the filtering net, a telescopic rod is vertically arranged, and the other end of the telescopic rod is connected with the filtering net.

Preferably, the middle part of filter screen is provided with the connecting rod, the one end of connecting rod with the filter screen rotates to be connected, the other end with the telescopic link rotates to be connected, filtering ponds upper portion is provided with the outside extension of step face, the cross sectional area on filtering ponds upper portion is greater than the cross sectional area of filtering ponds lower part, the inside horizontal extension of filtering ponds upper portion right side wall is provided with the shelves pole, the tip of shelves pole is provided with the leading wheel, the filter screen upper surface corresponds the position of shelves pole is provided with the guide rail, the leading wheel is in roll in the guide rail.

As preferred, filter tank first left part top is provided with self-cleaning device, self-cleaning device includes, the support frame, parallel arrangement has initiative pivot and driven spindle on the support frame, all overlap on initiative pivot and the driven spindle and be equipped with the brush, the one end of initiative pivot with the one end of driven spindle is connected with the chain through the sprocket, the other end of initiative pivot is connected with a driving motor's output through sprocket and chain.

Preferably, the activated sludge carrier comprises a chassis and a grid frame, wherein the grid frame is arranged on the chassis, a plurality of rollers are uniformly distributed on the side wall of the chassis, a plurality of tracks are vertically arranged on the side wall of the aeration tank corresponding to the rollers, the rollers roll in the tracks, screw holes are vertically arranged on the edge of the side part of the chassis, a second driving motor is arranged on the side wall of the top of the aeration tank, a screw rod is arranged at the output end of the second driving motor, and the screw rod penetrates through the screw holes to be in threaded connection.

Preferably, the aeration device comprises a vertically arranged main air pipe, the top of the main air pipe is connected with an air inlet pipe, a plurality of branch air pipes transversely extend out of the side wall of the main air pipe, a plurality of aeration heads are arranged on the branch air pipes, the lower portion of the main air pipe is connected with a rotary air pipe through a screwed joint, the bottom of the rotary air pipe is sealed, a plurality of driving air pipes are arranged on the side wall of the rotary air pipe, a plurality of air outlet holes are formed in the side wall of the driving air pipe, all the air outlet holes are formed in the side edge of the driving air pipe and located on the same side, and blades are.

Preferably, the top of the grid framework is provided with a hook.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below.

FIG. 1 is a schematic diagram of an aeration apparatus for sewage treatment according to an embodiment of the present invention;

FIG. 2 is a view showing the internal structure of a filtration tank according to an embodiment of the present invention;

FIG. 3 is a view showing the internal structure of an aeration tank according to an embodiment of the present invention;

FIG. 4 is a structural view of an aeration apparatus according to an embodiment of the present invention;

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, in this embodiment, the sewage treatment aeration apparatus includes a tank body 1, a partition plate 2 is vertically disposed in the middle of the tank body 1 to divide the tank body 1 into a left part and a right part, which are respectively a filtering tank 3 and an aeration tank 4, a liftable filtering apparatus 5 is transversely disposed in the middle of the filtering tank 3, a sewage discharge outlet is disposed at the bottom of the filtering tank 3, a sewage inlet pipe 6 is disposed on a side wall of the filtering tank 3, the sewage inlet pipe 6 is located below the filtering apparatus 5, the bottom of the filtering tank is in an inverted trapezoid shape, a water suction pump 14 is disposed on the upper portion of the partition plate 2 to pump the sewage in the filtering tank 3 into the aeration tank 4, a detachable activated sludge carrier 7 is disposed in the aeration tank 4, the activated sludge carrier 7 is filled with activated sludge, and the activated sludge carrier 7 is movably connected with the side wall, the activated sludge carrier 7 is characterized in that a cylindrical large through hole 8 is vertically arranged in the middle of the activated sludge carrier 7, a plurality of vertically arranged small through holes 9 are distributed around the large through hole 8, an aeration device 10 is arranged in the large through hole 8, a sewage outlet pipe 12 is arranged on the side wall of the bottom of the aeration tank 4, and stop valves are arranged on the sewage inlet pipe 6 and the sewage outlet pipe 12.

Further, the filtering device 5 comprises a filtering net 5-1, the outer edge of the filtering net 5-1 is in close contact with the side wall of the filtering pond 3, the top of the filtering pond 3 is provided with a mounting rack, the mounting rack corresponds to the central position of the filtering net 5-1 and is vertically provided with an expansion link 5-2, the other end of the expansion link 5-2 is connected with the filtering net 5-1, and the expansion link 5-2 adopts an electric control expansion link in the embodiment.

Furthermore, a connecting rod 5-3 is arranged in the middle of the filter screen 5-1, one end of the connecting rod 5-3 is rotatably connected with the filter screen 5-1, the other end of the connecting rod is rotatably connected with the telescopic rod 5-2, the upper portion of the filter tank 3 is provided with a step surface which expands outwards, the cross sectional area of the upper portion of the filter tank 3 is larger than that of the lower portion of the filter tank 3, a stop rod 5-4 extends inwards and transversely from the right side wall of the upper portion of the filter tank 3, the end portion of the stop rod 5-4 is provided with a guide wheel 5-5, a guide rail 5-6 is arranged on the upper surface of the filter screen 5-1 corresponding to the stop rod 5-4, and the guide wheel 5-5 rolls in the guide rail 5-6.

Further, an automatic cleaning device 13 is arranged above the left half portion of the filter tank 3, the automatic cleaning device 13 comprises a support frame 13-1, a driving rotating shaft 13-2 and a driven rotating shaft 13-3 are arranged on the support frame 13-1 in parallel, brushes 13-4 are sleeved on the driving rotating shaft 13-2 and the driven rotating shaft 13-3, one end of the driving rotating shaft 13-2 and one end of the driven rotating shaft 13-3 are connected with a chain through a chain wheel, and the other end of the driving rotating shaft 13-2 is connected with an output end of a first driving motor 13-5 through a chain wheel and a chain.

Further, the activated sludge carrier 7 comprises a chassis 7-1 and a grid frame 7-2, the grid framework 7-2 is arranged on the chassis 7-1, a plurality of rollers 7-3 are uniformly distributed on the side wall of the chassis 7-1, a plurality of rails 4-1 are vertically arranged on the side wall of the aeration tank 4 corresponding to the rollers 7-3, the rollers 7-3 roll in the tracks 4-1, the side wall of the bottom of the aeration tank is provided with a baffle plate for supporting the chassis 7-1, the side edge of the chassis 7-1 is vertically provided with a screw hole 7-4, the side wall of the top of the aeration tank 4 is provided with a second driving motor 7-5, the output end of the second driving motor 7-5 is provided with a screw rod 7-6, and the screw rod 7-6 penetrates through the screw hole 7-4 to be in threaded connection.

Further, the aeration device 10 comprises a main air pipe 10-1 which is vertically arranged, the top of the main air pipe 10-1 is connected with an air inlet pipe, a plurality of bronchus 10-2 transversely extend out of the side wall of the main air pipe 10-1, the branch air pipe 10-2 is provided with a plurality of aeration heads 10-3, the lower part of the main air pipe 10-1 is connected with a rotary air pipe 10-5 through a screwed joint 10-4, the bottom of the rotary air pipe 10-5 is sealed, and the side wall is provided with a plurality of driving air pipes 10-6, the side wall of the driving air pipe 10-6 is provided with a plurality of air outlets 10-7, all the air outlets 10-7 are positioned at the side edge of the driving air pipe 10-6 and at the same side, and the bottom of the driving air pipe 10-6 is transversely provided with blades 10-8.

Further, the top of the grid framework 7-2 is provided with a hook 7-7.

The working principle of the embodiment is as follows:

when using, sewage passes through the sewage inlet tube and gets into in the filtering ponds, along with the rising of liquid level, sewage passes through the filter screen, partly large granule magazine is filtered, deposit at the filtering ponds bottom of the pool, the drain of accessible filtering ponds bottom discharges the clearance, it is in the aeration pond to be drawn in by prefilter sewage through the suction pump, gas has the intake pipe to get into main trachea and then get into the bronchus and pass through aeration head blowout, the aeration admits air to sewage, in the in-process that carries out the aeration, partly gaseous by the blowout of drive trachea, the drive power that produces when utilizing gas blowout, it is rotatory to drive the paddle leaf, the paddle rotation type in this embodiment can upwards carry sewage, flow along big through-hole promptly, then flow downwards by little through-hole, with this production circulation, sewage after abundant aeration is discharged from the sewage outlet pipe.

Compare in prior art, the beneficial effect of this embodiment is:

1. the sewage in the aeration tank of the embodiment is in a circulating flow state, the upward water flow pushed by the blades in the large through hole forms cross impact through the bronchus, so that the aeration effect is better, the efficiency is higher, and the effect of full aeration is achieved.

2. This embodiment is provided with filtering ponds and aeration tank, through the prefilter of filtering ponds, can prolong aeration equipment's in the aeration tank operating time, improves work efficiency, avoids the aeration head to be blockked up the probability, prolongs clearance period.

3. Be provided with self-cleaning device in this embodiment filtering ponds, be blockked up when the filter screen, after filtration efficiency reduces, through the flexible of telescopic link, upwards lift up the filter screen, after the leading wheel contacted the guide rail, the other end of filter screen lifted up, along with further rising, the filter screen gets into between two brush hair cylinders, two brush hair cylinders were in the rotation state this moment to this reaches the cleaning effect to the filter screen, after the cleanness was finished, the telescopic link stretches out downwards, makes the filter screen reset.

4. The bottom of the filter tank is inverted trapezoid, so that the sewage is discharged.

5. The setting of step face in this embodiment filter tank is favorable to the upset of filter screen.

6. This embodiment is when active mud is changed to needs, and is rotatory through second driving motor, can lift up in can making the chassis through the cooperation of double-screw bolt and screw, stretches out the surface of water when grid frame after, through hoist and mount machinery, usable couple lifts grid frame wholly out, changes, and efficiency is higher.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. It is not necessary or necessary to exhaustively enumerate all embodiments herein, and obvious variations or modifications can be introduced while remaining within the scope of the invention.

Claims

1. Sewage treatment aeration equipment, its characterized in that includes cell body (1), cell body (1) middle part is vertical to be provided with baffle (2) will cell body (1) divide into about two parts, be filtering ponds (3) and aeration tank (4) respectively, the middle part of filtering ponds (3) transversely is provided with filter equipment (5) of liftable formula, filtering ponds (3) bottom is provided with the drain and its lateral wall is provided with sewage inlet tube (6), sewage inlet tube (6) are located filtering equipment (5) below, baffle (2) upper portion is provided with suction pump (14) for take out the sewage in filtering ponds (3) in aeration tank (4), be provided with detachable activated sludge carrier (7) in aeration tank (4), activated sludge carrier (7) intussuseption is filled with activated sludge, activated sludge carrier (7) with aeration tank (4) lateral wall swing joint, the activated sludge aeration device is characterized in that a cylindrical large through hole (8) is vertically formed in the middle of the activated sludge carrier (7), a plurality of vertically arranged small through holes (9) are distributed around the large through hole (8), an aeration device (10) is arranged in the large through hole (8), a sewage outlet pipe (12) is arranged on the side wall of the bottom of the aeration tank (4), and stop valves are arranged on the sewage inlet pipe (6) and the sewage outlet pipe (12).

2. The sewage treatment aeration device according to claim 1, wherein the filtering device (5) comprises a filtering net (5-1), the outer edge of the filtering net (5-1) is in close contact with the side wall of the filtering tank (3), a mounting frame is arranged at the top of the filtering tank (3), a telescopic rod (5-2) is vertically arranged at the mounting frame corresponding to the central position of the filtering net (5-1), and the other end of the telescopic rod (5-2) is connected with the filtering net (5-1).

3. The sewage treatment aeration device according to claim 2, wherein a connecting rod (5-3) is disposed at the middle of the filter screen (5-1), one end of the connecting rod (5-3) is rotatably connected with the filter screen (5-1), the other end is rotatably connected with the telescopic rod (5-2), the upper portion of the filter tank (3) is provided with a step surface expanding outwards, the cross sectional area of the upper portion of the filter tank (3) is larger than that of the lower portion of the filter tank (3), the right side wall of the upper portion of the filter tank (3) is provided with a blocking rod (5-4) extending inwards and transversely, the end of the blocking rod (5-4) is provided with a guide wheel (5-5), the upper surface of the filter screen (5-1) is provided with a guide rail (5-6) corresponding to the blocking rod (5-4), the guide wheels (5-5) roll in the guide rails (5-6).

4. The sewage treatment aeration device according to claim 3, wherein an automatic cleaning device (13) is disposed above the left half portion of the filtering tank (3), the automatic cleaning device (13) comprises a support frame (13-1), a driving rotating shaft (13-2) and a driven rotating shaft (13-3) are disposed in parallel on the support frame (13-1), brushes (13-4) are sleeved on the driving rotating shaft (13-2) and the driven rotating shaft (13-3), one end of the driving rotating shaft (13-2) and one end of the driven rotating shaft (13-3) are connected with a chain through a sprocket, and the other end of the driving rotating shaft (13-2) and an output end of the first driving motor (13-5) are connected with the chain through a sprocket.

5. The sewage treatment aeration device according to claim 1, wherein the activated sludge carrier (7) comprises a chassis (7-1) and a grid frame (7-2), the grid frame (7-2) is arranged on the chassis (7-1), a plurality of rollers (7-3) are uniformly distributed on the side wall of the chassis (7-1), a plurality of tracks (4-1) are vertically arranged on the side wall of the aeration tank (4) corresponding to the rollers (7-3), the rollers (7-3) roll in the tracks (4-1), screw holes (7-4) are vertically arranged on the side edge of the chassis (7-1), a second driving motor (7-5) is arranged on the side wall of the top of the aeration tank (4), and a screw rod (7-6) is arranged at the output end of the second driving motor (7-5), the screw rod (7-6) penetrates through the screw hole (7-4) to be in threaded connection.

6. The sewage treatment aeration device according to claim 1, wherein the aeration device (10) comprises a vertically arranged main air pipe (10-1), the top of the main air pipe (10-1) is connected with an air inlet pipe, a plurality of branch air pipes (10-2) transversely extend out of the side wall of the main air pipe (10-1), a plurality of aeration heads (10-3) are arranged on the branch air pipes (10-2), the lower part of the main air pipe (10-1) is connected with a rotary air pipe (10-5) through a screwed joint (10-4), the bottom of the rotary air pipe (10-5) is closed, a plurality of driving air pipes (10-6) are arranged on the side wall, a plurality of air outlet holes (10-7) are arranged on the side wall of the driving air pipe (10-6), and all the air outlet holes (10-7) are positioned on the same side, the bottom of the driving air pipe (10-6) is transversely provided with a paddle (10-8).

7. An aeration device according to the sewage treatment of claim 5, characterized in that the grid frame (7-2) is provided with hooks (7-7) at the top.