Aeration device for aerobic granular sludge treatment
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to an aeration device for aerobic granular sludge treatment.
Background
The aerobic granular sludge technology has the remarkable advantages of occupying less area and low running cost. Belongs to a revolutionary technology in the aspect of aerobic biological treatment in the field of sewage permanent treatment, can completely replace the traditional aerobic treatment processes such as a flocculent activated sludge method and the like, and has remarkable significance for solving the problems of capacity expansion transformation, quality improvement and efficiency enhancement faced by the current sewage treatment plant.
However, in the case of the conventional aeration device at present, the aeration intensity of the device is not easy to regulate and control, and the requirement of different water quality aeration intensities is difficult to meet.
Disclosure of Invention
In view of the above, the invention provides an aeration device for aerobic granular sludge treatment, wherein a rotary arm rotates to drive a cylinder to rotate and is matched with the forward and backward swing conversion of a rotary frame to realize the free swinging of the cylinder by 60 degrees, thereby providing a dead angle-free aeration effect, a centrifugal impeller is arranged at the position of a rotary rod corresponding to a mixed flow seat, the air flow of the mixed flow seat can be rapidly discharged through an air duct through the rotation of the centrifugal impeller, the diffusion range of the air flow can be effectively ensured, and the air flow of the mixed flow seat is pressurized through a piston plate due to the up and down reciprocating motion of the piston plate along a sealing slide rail of the cylinder, so that the aeration strength is further improved.
The invention provides an aeration device for aerobic granular sludge treatment, which specifically comprises a fixed top plate, wherein an installation frame is arranged at the bottom end of the fixed top plate, a rotating frame is arranged on the installation frame, a cylinder body is arranged on the rotating frame, a mixed flow seat is arranged at the bottom of the cylinder body, a rotating rod is arranged on the cylinder body, a driving mechanism is arranged in the cylinder body, and a piston plate and a centrifugal impeller are arranged on the rotating rod.
Optionally, the mounting bracket is "匚" style of calligraphy frame construction, and the diaphragm intermediate position of mounting bracket is equipped with the footstock, is equipped with first motor in the footstock, and the pivot tip of first motor installs the rotating arm.
Optionally, the rotating frame is of a rectangular frame structure, the left side and the right side of the rotating frame are provided with first shaft rods, and the inner side of the frame of the rotating frame is provided with two second shaft rods.
Optionally, the rotating frame is rotationally connected with the mounting frame through the first shaft rod, and the barrel is located between two second shaft rods.
Optionally, the barrel outer peripheral face is equipped with two bearing bushes, and two bearing bushes are the symmetry mode and distribute to the barrel passes through the bearing bush and rotates with the second shaft pole of rotating turret and be connected, and the barrel inner peripheral face is equipped with everywhere sealed slide rail, and everywhere sealed slide rail is the annular array mode and distributes, is equipped with sealing baffle in the barrel.
Optionally, the mixed flow seat is of a conical cavity structure, the centrifugal impeller is positioned in the mixed flow seat cavity, the mixed flow seat is provided with four air guide pipes, and the end parts of the air guide pipes are provided with filtering baffles.
Optionally, the dwang bottom is equipped with the flabellum, and the dwang is close to top position and is equipped with first gear train, and dwang middle section position is equipped with the guide way.
Optionally, the rotating rod is rotatably connected with the sealing baffle of the cylinder body through a bearing, and the top end of the rotating rod is rotatably connected with the rotating arm.
Optionally, actuating mechanism includes second motor, axis of rotation and second gear train, and second motor fixed mounting is on sealing baffle, and rotates on the second motor and install the axis of rotation to the axis of rotation passes through the bearing and rotates with the barrel to be connected, and the axis of rotation top is equipped with the second gear train, and the first gear train meshing of second gear train and dwang is connected.
Optionally, the outer peripheral surface of the piston plate is provided with four arc grooves, the piston plate is in sliding connection with the sealing slide rail of the cylinder body through the arc grooves, the piston plate is provided with a convex shaft, the rotating rod penetrates through the middle position of the piston plate in a sliding manner, and the piston plate is in sliding connection with the guide groove of the rotating rod through the convex shaft.
Advantageous effects
Compared with the traditional aeration device, the aeration device for sludge treatment according to the embodiments of the invention has the advantages that the rotating frame is rotationally connected with the mounting frame through the first shaft rod, the cylinder body is positioned between the two second shaft rods, the first motor provides power, the rotating arm rotates to drive the cylinder body to rotate, and the forward and backward swinging conversion of the rotating frame is matched, so that the free swinging of the cylinder body by 60 degrees is realized, the dead angle-free aeration effect is provided, and the coverage volume of an aeration area for sewage treatment is increased.
In addition, centrifugal impeller is installed to the dwang and the corresponding position of mixed flow seat, when the second motor in actuating mechanism during operation, utilizes second gear train and first gear train transmission, and the dwang will drive centrifugal impeller and rotate for the air current of mixed flow seat can be discharged through the air duct rapidly, can effectually guarantee the diffusion scope of air current, makes whole aeration effect more stable.
In addition, the rotating rod penetrates through the middle position of the piston plate in a sliding mode, the piston plate is connected with the guide groove of the rotating rod in a sliding mode through the protruding shaft, the piston plate moves up and down in a reciprocating mode along the sealing sliding rail of the cylinder in the rotating process of the rotating rod, air flow of the mixed flow seat is pressurized through the piston plate, the aeration intensity is further improved, and therefore the requirements of different water quality aeration intensities are met.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
Fig. 1 is a schematic view showing the overall structure of an aeration device according to an embodiment of the present invention;
fig. 2 shows a schematic view of the rotational view angle drawn from fig. 1 of the aeration device according to an embodiment of the present invention;
fig. 3 shows a schematic view of a mounting frame and a turret of an aeration device according to an embodiment of the present invention;
FIG. 4 shows a schematic view of an aeration device according to an embodiment of the present invention with a fixed roof, a mounting frame, and a turret removed;
Fig. 5 shows a schematic view of the aeration device according to an embodiment of the present invention from the perspective of the drawing out section of fig. 4;
Fig. 6 shows an enlarged schematic view of a portion a of fig. 5 of an aeration device according to an embodiment of the present invention;
Fig. 7 is a schematic view showing an exploded state of a cylinder and a mixed flow seat of an aeration device according to an embodiment of the present invention;
fig. 8 shows a schematic view of the explosion state of the rotating rod, the driving mechanism, the piston plate and the centrifugal impeller of the aeration device according to the embodiment of the present invention.
List of reference numerals
1. The centrifugal impeller comprises a fixed top plate, 2, a mounting rack, 201, a top seat, 202, a first motor, 203, a rotating arm, 3, a rotating frame, 301, a first shaft lever, 302, a second shaft lever, 4, a cylinder, 401, a bearing sleeve, 402, a sealing sliding rail, 403, a sealing baffle plate, 5, a mixed flow seat, 501, an air duct, 502, a filtering baffle plate, 6, a rotating rod, 601, fan blades, 602, a first gear set, 603, a guide groove, 7, a driving mechanism, 701, a second motor, 702, a rotating shaft, 703, a second gear set, 8, a piston plate, 801, an arc groove, 802, a convex shaft, 9 and a centrifugal impeller.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.
Please refer to fig. 1 to 8:
The invention provides an aeration device for aerobic granular sludge treatment, which comprises a fixed top plate 1, wherein a mounting frame 2 is arranged at the bottom end of the fixed top plate 1, a rotating frame 3 is arranged on the mounting frame 2, a cylinder body 4 is arranged on the rotating frame 3, two bearing sleeves 401 are arranged on the outer peripheral surface of the cylinder body 4, the two bearing sleeves 401 are symmetrically distributed, the cylinder body 4 is rotationally connected with a second shaft 302 of the rotating frame 3 through the bearing sleeves 401, four sealing slide rails 402 are arranged on the inner peripheral surface of the cylinder body 4, the four sealing slide rails 402 are distributed in an annular array mode, a sealing baffle 403 is arranged in the cylinder body 4, a mixed flow seat 5 is arranged at the bottom of the cylinder body 4, a rotating rod 6 is arranged on the cylinder body 4, a driving mechanism 7 is arranged in the cylinder body 4, and a piston plate 8 and a centrifugal impeller 9 are arranged on the rotating rod 6.
In addition, according to the embodiment of the invention, as shown in fig. 3 and 4, the mounting frame 2 is of a 匚 -shaped frame structure, a top seat 201 is arranged in the middle of a transverse plate of the mounting frame 2, a first motor 202 is arranged in the top seat 201, a rotating arm 203 is arranged at the end part of a rotating shaft of the first motor 202, and the top end of the rotating rod 6 is rotationally connected with the rotating arm 203;
The rotating frame 3 is of a rectangular frame structure, first shaft rods 301 are arranged on the left side and the right side of the rotating frame 3, two second shaft rods 302 are arranged on the inner side of the frame of the rotating frame 3, the rotating frame 3 is rotatably connected with the mounting frame 2 through the first shaft rods 301, the cylinder 4 is positioned between the two second shaft rods 302, the device is powered by the first motor 202, the cylinder 4 is driven to rotate through rotation of the rotating arm 203, and free swinging of the cylinder 4 by 60 degrees is achieved through cooperation with front-back swinging conversion of the rotating frame 3, and a dead-angle-free aeration effect is provided.
In addition, according to the embodiment of the invention, as shown in fig. 4 and 5, the mixed flow seat 5 has a conical cavity structure, the centrifugal impeller 9 is positioned in the cavity of the mixed flow seat 5, the mixed flow seat 5 is provided with four air guide pipes 501, and the end parts of the air guide pipes 501 are provided with filtering baffles 502;
the bottom end of the rotating rod 6 is provided with a fan blade 601, a first gear set 602 is arranged at the position close to the top end of the rotating rod 6, and a guide groove 603 is arranged at the middle section of the rotating rod 6;
The driving mechanism 7 comprises a second motor 701, a rotating shaft 702 and a second gear set 703, the second motor 701 is fixedly arranged on the sealing baffle 403, the rotating shaft 702 is rotatably arranged on the second motor 701, the rotating shaft 702 is rotatably connected with the cylinder 4 through a bearing, the second gear set 703 is arranged at the top end of the rotating shaft 702, the second gear set 703 is meshed with the first gear set 602 of the rotating rod 6, the centrifugal impeller 9 is arranged at the corresponding position of the rotating rod 6 and the mixed flow seat 5, when the second motor 701 in the driving mechanism 7 works, the second gear set 703 and the first gear set 602 are used for transmission, and the rotating rod 6 drives the centrifugal impeller 9 to rotate, so that air flow of the mixed flow seat 5 can be rapidly discharged through the air duct 501, and the diffusion range of the air flow can be effectively ensured.
In addition, according to the embodiment of the present invention, as shown in fig. 6, the outer circumferential surface of the piston plate 8 is provided with four arc grooves 801, the piston plate 8 is slidably connected with the sealing sliding rail 402 of the cylinder 4 through the arc grooves 801, the piston plate 8 is provided with a protruding shaft 802, and since the rotating rod 6 slides through the middle position of the piston plate 8, the piston plate 8 is slidably connected with the guiding groove 603 of the rotating rod 6 through the protruding shaft 802, during the rotation of the rotating rod 6, the piston plate 8 reciprocates up and down along the sealing sliding rail 402 of the cylinder 4, and the air flow of the mixing seat 5 is pressurized through the piston plate 8, so as to further improve the aeration strength.
The specific use mode and the action of the embodiment are that in the invention, the first motor 202 provides power, the rotating arm 203 rotates to drive the cylinder 4 to rotate, the forward and backward swinging conversion of the rotating frame 3 is matched, the cylinder 4 swings freely by 60 degrees, the dead angle-free aeration effect is provided, the covering volume of the sewage treatment aeration area is increased, the second motor 701 in the driving mechanism 7 is driven by the second gear set 703 and the first gear set 602, the rotating rod 6 drives the centrifugal impeller 9 to rotate, the air flow of the mixed flow seat 5 can be rapidly discharged through the air duct 501, the diffusion range of the air flow can be effectively ensured, the whole aeration effect is more stable, meanwhile, the piston plate 8 reciprocates up and down along the sealing sliding rail 402 of the cylinder 4 in the rotating process of the rotating rod 6, the air flow of the mixed flow seat 5 is pressurized through the piston plate 8, the aeration intensity is further improved, and the requirements of different water quality aeration intensities are met.
Finally, it should be noted that the present invention is generally described in terms of a/a pair of components, such as the location of each component and the mating relationship therebetween, however, those skilled in the art will appreciate that such location, mating relationship, etc. are equally applicable to other components/other pairs of components.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.