CN213012175U

CN213012175U - High-efficient sewage treatment aeration biological fluidized bed

Info

Publication number: CN213012175U
Application number: CN202020815621.6U
Authority: CN
Inventors: 林攀圣
Original assignee: Hunan Yizhijie Environmental Protection Technology Co ltd
Current assignee: Hunan Yizhijie Environmental Protection Technology Co ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2021-04-20
Anticipated expiration: 2030-05-16

Abstract

The utility model discloses a high-efficient sewage treatment aeration biological fluidized bed, including fluidization pool and fan, the one end of air feed pipe is connected to the air outlet of fan, and the gas outlet externally mounted of air feed pipe has the aeration dish, and the guide cylinder is installed to the top of aeration dish, and the top cap is installed on the top of guide cylinder, and the inboard lower part of guide cylinder has the go-between through the bolt fastening, and the mounting bracket is connected to the go-between, and the mounting bracket passes through the bottom in bolted connection fluidization pool, along installing rabbling mechanism between the air feed pipe, the utility model discloses, utilize driving motor drive transmission shaft to rotate, transmission shaft drive second bevel gear rotates, and second bevel gear drives first bevel gear and rotates, and first bevel gear drives the stirring impeller and rotates, stirs impeller stirring bottom of the pool water layer, makes the bottom of the pool contain the mud intensive.

Description

High-efficient sewage treatment aeration biological fluidized bed

Technical Field

The utility model relates to the technical field of sewage treatment devices, in particular to a high-efficiency sewage treatment aeration biological fluidized bed.

Background

The most conventional mode is that in an aerobic tank, a microporous aeration hose or an aeration disc is fixedly arranged at the bottom of the tank in a matrix manner according to a certain rule, then a vertical pipe is directly arranged on the microporous aeration hose or the aeration disc, a large amount of air connected with a Roots blower enters a microporous aeration device, generated micro bubbles contact aerobic activated sludge and wastewater in the tank, and internal and external circulation flow of the activated sludge in the vertical pipe is realized, so that growth and propagation of microorganisms are realized, organic matters in the wastewater are degraded through metabolism of the microorganisms, and the aim of removing COD is achieved. General biochemical pond aeration equipment, generally by installing the aeration pipe at the bottom of the pool or explode the gas tray and constitute basic aeration structure, the unordered come-up of bubble of production, little and the time short with mud and waste water area of contact in the pond, dissolved oxygen utilization efficiency is low, rivers are mild in the pond, activated sludge easily deposits at the bottom of the pool in the pond, and is little with oxygen and waste water area of contact, is unfavorable for the growth and the reproduction of microorganism, influences the treatment effeciency of waste water. Therefore, the utility model provides a high-efficiency sewage treatment aeration biological fluidized bed which is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient sewage treatment aeration biological fluidized bed to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency sewage treatment aeration biological fluidized bed comprises a fluidization tank and a fan, wherein an air outlet of the fan is connected with one end of an air supply pipe, an aeration disc is arranged outside an air outlet of the air supply pipe, a guide cylinder is arranged above the aeration disc, a top cover is arranged at the top end of the guide cylinder, a connecting ring is fixed at the lower part of the inner side of the guide cylinder through bolts, the connecting ring is connected with a mounting rack, the mounting rack is connected with the bottom of the fluidization tank through bolts, a stirring mechanism is arranged between the air supply pipes and comprises a stirring impeller, a first bevel gear, a second bevel gear, a transmission shaft and a driving motor, the stirring impeller is horizontally arranged at the bottom of the fluidization tank, the first bevel gear is arranged at one end of the stirring impeller, the first bevel gear is meshed with the second bevel gear, the second bevel gear is arranged at the, the utility model discloses a fluidization pond, including the drive motor, the mounting bracket includes base, roof-rack, reed and fixture block, the both sides of roof-rack are respectively through the both sides of stand connection base, the inboard welding of roof-rack has four reeds about its central symmetry, the fixture block has been welded respectively on the top of four reeds.

Preferably, the top cap includes conical cover, water conservancy diversion piece and stationary blade, the inner wall of guide is connected through four stationary blades respectively in the outside of conical cover bottom surface, the central point that the conical cover lower part was installed to the water conservancy diversion piece puts, the welding of water conservancy diversion piece equidistance interval is in the outside of conical cover bottom surface.

Preferably, the guide cylinder comprises a straight cylinder and a spiral guide vane, and the spiral guide vane is welded and fixed on the inner wall of the straight cylinder in the vertical direction.

Preferably, the aeration disc comprises an air outlet disc and a three-way joint, the air outlet disc is installed outside an interface at the top of the three-way joint, and the interfaces at two ends of the three-way joint are connected with the air feeding pipe.

Preferably, the mounting bracket includes a notch punched on both sides of the base in a diameter direction of the base, and the notch penetrates the air supply pipe inside.

Preferably, the stirring mechanism further comprises bearings with seats, the two bearings with seats are respectively installed at two ends of the stirring impeller, and the two bearings with seats are fixed at the bottom of the fluidization tank through bolts.

Preferably, an annular fixing groove is formed in the inner side of the connecting ring along the axis direction, the fixture block is embedded in the inner side of the connecting ring, and an electric box is installed on one side, on the driving motor, of the table top of the fluidization pool.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the driving motor is utilized to drive the transmission shaft to rotate, the transmission shaft drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the stirring impeller to rotate, and the stirring impeller stirs the water layer at the bottom of the tank, so that sludge containing a large number of microorganisms at the bottom of the tank is fully mixed in the wastewater, and the subsequent aeration effect is favorably improved;

2. the straight cylinder is used for guiding bubbles to float upwards in a centralized manner, so that the overflow of the bubbles is reduced, the flow of the bubbles is stabilized, meanwhile, the spiral flow deflector guides the wastewater containing a large amount of bubbles in the straight cylinder to flow in a flow state of a spiral line, and the bubbles are in full collision contact with the wastewater and sludge, so that the utilization efficiency of dissolved oxygen is improved;

3. the original upward moving bubbles are guided by the conical cover to move downwards, and the guide vanes guide the bubbles to move downwards along the outer surface of the straight cylinder and then enter the straight cylinder again, so that circular aeration is realized, and the utilization efficiency of the dissolved oxygen is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the guide cylinder mounting structure of the present invention;

fig. 3 is a schematic structural view of the stirring mechanism of the present invention.

In the figure: the device comprises a fluidization pool 1, a fan 2, an air supply pipe 3, a guide cylinder 4, a top cover 5, a stirring mechanism 6, an electric box 7, an aeration disc 8, a mounting frame 9, a connecting frame 10, a straight cylinder 41, a spiral guide vane 42, a conical cover 51, a guide block 52, a guide vane 53, a fixing piece 54, a stirring impeller 61, a first bevel gear 62, a second bevel gear 63, a transmission shaft 64, a driving motor 65, a bearing 68 with a seat, a base 91, a top frame 92, a reed 93, a clamping block 94 and a notch 95.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an aeration biological fluidized bed for high-efficiency sewage treatment comprises a fluidized tank 1 and a fan 2, wherein an air outlet of the fan 2 is connected with one end of an air supply pipe 3, the fan 2 supplies air into the air supply pipe 3, an aeration disc 8 is arranged outside an air outlet of the air supply pipe 3, the air supply pipe 3 supplies compressed air into the aeration disc 8, the aeration disc 8 disperses a large amount of bubbles with the diameter of about 1mm, a guide tube 4 is arranged above the aeration disc 8, the guide tube 4 guides the flow of the bubbles, a top cover 5 is arranged at the top end of the guide tube 4, the top cover 5 guides the flow of the bubbles, a connecting ring 10 is fixed at the lower part of the inner side of the guide tube 4 through bolts, the guide tube 4 is conveniently arranged at the upper part of a mounting frame 9 by the connecting ring 10, the mounting frame 9 is connected with the bottom of the fluidized tank 1 through bolts, a stirring mechanism 6 is arranged between the air supply pipes 3, the stirring mechanism 6 stirs a water layer, the subsequent aeration effect is improved, the stirring mechanism 6 comprises a stirring impeller 61, a first bevel gear 62, a second bevel gear 63, a transmission shaft 64 and a driving motor 65, the stirring impeller 61 is horizontally arranged at the bottom of the fluidization tank 1, the first bevel gear 62 is arranged at one end of the stirring impeller 61, the first bevel gear 62 is meshed with the second bevel gear 63, the second bevel gear 63 is arranged at the bottom end of the transmission shaft 64, the upper end of the transmission shaft 64 is connected with an output shaft of the driving motor 65, the driving motor 65 is fixed at the upper edge of the fluidization tank 1 through a rack, the driving motor 65 drives the transmission shaft 64 to rotate, the transmission shaft 64 drives the second bevel gear 63 to rotate, the second bevel gear 63 drives the first bevel gear 62 to rotate, the first bevel gear 62 drives the stirring impeller 61 to rotate, the stirring impeller 61 stirs the water layer at the bottom of the tank, the mounting rack 9 comprises a base 91, a, four reeds 93 are symmetrically welded on the inner side of the top frame 92 relative to the center of the top frame 92, clamping blocks 94 are respectively welded at the top ends of the four reeds 93, the lower end of the guide tube 4 is pressed downwards after aligning with the mounting frame 9, the clamping blocks 94 are extruded by the lower edge of the connecting ring 10 to move towards the inner side of the top frame 92, the outer end of the clamping blocks 94 moves upwards into the annular groove at the lower part of the inner side of the connecting ring 10, and the guide tube 4 is conveniently installed above the aeration disc.

Further, the top cover 5 comprises a conical cover 51, a flow guide block 52, flow guide sheets 53 and fixing sheets 54, the outer side of the bottom surface of the conical cover 51 is connected with the inner wall of the guide cylinder 4 through the four fixing sheets 54 respectively, the flow guide block 52 is installed at the central position of the lower part of the conical cover 51, the flow guide sheets 53 are welded at the outer side of the bottom surface of the conical cover 51 at equal intervals, the original upward moving bubbles guided by the conical cover 51 move downwards, the flow guide sheets 53 guide the bubbles to move downwards along the outer surface of the straight cylinder 41 and then enter the straight cylinder 41 again, circular aeration is achieved, and the utilization efficiency of dissolved oxygen is improved.

Further, the guide cylinder 4 comprises a straight cylinder 41 and a spiral guide vane 42, the spiral guide vane 42 is welded and fixed on the inner wall of the straight cylinder 41 in the vertical direction, the spiral guide vane 42 guides the wastewater containing a large amount of bubbles in the straight cylinder 41 to flow in the flow state of a spiral line, the bubbles are in full collision contact with the wastewater and the sludge, and the utilization efficiency of the dissolved oxygen is improved.

Further, the aeration disc 8 comprises an air outlet disc 81 and a three-way joint 82, the air outlet disc 81 is installed outside an interface at the top of the three-way joint 82, the interfaces at two ends of the three-way joint 82 are connected with the air supply pipe 3, and the air outlet disc 81 generates a large amount of bubbles with the size of about 1 mm.

Further, the mounting bracket 9 includes a notch 95, the notch 95 is punched on both sides of the base 91 along the diameter direction of the base 91, the notch 95 penetrates the air supply pipe 3, and the notch 93 facilitates the installation of the air supply pipe 3 and the arrangement of the air supply pipe 3.

Further, the stirring mechanism 6 further comprises bearings 68 with seats, the two bearings 68 with seats are respectively installed at two ends of the stirring impeller 61, the two bearings 68 with seats are fixed at the bottom of the fluidization tank 1 through bolts, and the bearings 68 with seats support the stirring impeller 61.

Further, an annular fixing groove is formed in the inner side of the connecting ring 10 along the axis direction, the fixture block 94 is embedded in the inner side of the connecting ring 10, the guide cylinder 4 is conveniently mounted on the upper portion of the mounting frame 9 through the annular fixing groove, an electric box 7 is mounted on one side, on the driving motor 65, of the table top of the fluidization cell 1, and the electric box 7 supplies power.

The working principle is as follows: in actual operation, firstly, the guide tube 4 is installed on the upper portion of the installation frame 9, the lower end of the guide tube 4 is aligned with the installation frame 9 and then pressed downwards, the lower edge of the connection ring 10 extrudes the fixture block 94 to move towards the inner side of the top frame 92, the outer end of the fixture block 94 moves upwards into the annular groove at the lower portion of the inner side of the connection ring 10, the guide tube 4 is conveniently installed above the aeration disc 3, the gate is opened to inject wastewater into the fluidization pool 1, the electric box 7 supplies power, the fan 2 and the driving motor 65 operate, the fan 2 operates to supply air into the air supply pipe 3, the air supply pipe 3 supplies compressed air into the aeration disc 8, the aeration disc 8 disperses a large amount of bubbles with the diameter of about 1mm, the guide tube 4 guides the flow of the bubbles and gathers the bubbles to ensure stable aeration effect, the spiral guide plate 42 guides the wastewater containing a large amount of bubbles in the straight tube 41 to flow, the original upward moving bubbles guided by the conical cover 51 move downwards, the guide vanes 53 guide the bubbles to move downwards along the outer surface of the straight cylinder 41 and then enter the straight cylinder 41 again, the driving motor 65 drives the transmission shaft 64 to rotate, the transmission shaft 64 drives the second bevel gear 63 to rotate, the second bevel gear 63 drives the first bevel gear 62 to rotate, the first bevel gear 62 drives the stirring impeller 61 to rotate, and the stirring impeller 61 stirs the water layer at the bottom of the pool.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient sewage treatment aeration biological fluidized bed, includes fluidization tank (1) and fan (2), its characterized in that, the one end of air feed pipe (3) is connected to the air outlet of fan (2), the gas outlet externally mounted of air feed pipe (3) has aeration dish (8), guide tube (4) are installed to the top of aeration dish (8), top cap (5) are installed on the top of guide tube (4), the lower part of guide tube (4) inboard has connecting ring (10) through the bolt fastening, mounting bracket (9) is connected to connecting ring (10), mounting bracket (9) pass through the bottom of bolted connection fluidization tank (1), along installing rabbling mechanism (6) between air feed pipe (3), rabbling mechanism (6) are including stirring impeller (61), first bevel gear (62), second bevel gear (63), transmission shaft (64) and driving motor (65), the stirring impeller (61) is horizontally installed at the bottom of the fluidization tank (1), the first bevel gear (62) is installed at one end of the stirring impeller (61), the first bevel gear (62) is meshed with the second bevel gear (63), the second bevel gear (63) is installed at the bottom end of the transmission shaft (64), the upper end of the transmission shaft (64) is connected with an output shaft of the driving motor (65), the driving motor (65) is fixed at the upper edge of the fluidization tank (1) through a rack, the mounting frame (9) comprises a base (91), an upper frame (92), reeds (93) and fixture blocks (94), two sides of the upper frame (92) are respectively connected with two sides of the base (91) through upright columns, four reeds (93) are symmetrically welded on the inner side of the upper frame (92) relative to the center of the upper frame, and the fixture blocks (94) are welded at the top ends of the.

2. An aerated biological fluidized bed for high efficiency sewage treatment according to claim 1, wherein: top cap (5) are including conical cover (51), water conservancy diversion piece (52), water conservancy diversion piece (53) and stationary blade (54), the inner wall of guide tube (4) is connected through four stationary blades (54) respectively in the outside of conical cover (51) bottom surface, the central point that the conical cover (51) lower part was installed in water conservancy diversion piece (52) puts, water conservancy diversion piece (53) equidistance interval welding is in the outside of conical cover (51) bottom surface.

3. An aerated biological fluidized bed for high efficiency sewage treatment according to claim 1, wherein: the guide cylinder (4) comprises a straight cylinder (41) and a spiral guide vane (42), and the spiral guide vane (42) is welded and fixed on the inner wall of the straight cylinder (41) in the vertical direction.

4. An aerated biological fluidized bed for high efficiency sewage treatment according to claim 1, wherein: the aeration disc (8) comprises an air outlet disc (81) and a three-way joint (82), the air outlet disc (81) is installed outside an interface at the top of the three-way joint (82), and interfaces at two ends of the three-way joint (82) are connected with the air supply pipe (3).

5. An aerated biological fluidized bed for high efficiency sewage treatment according to claim 1, wherein: the mounting frame (9) comprises notches (95), the notches (95) are punched on two sides of the base (91) along the diameter direction of the base (91), and the air supply pipe (3) penetrates through the interiors of the notches (95).

6. An aerated biological fluidized bed for high efficiency sewage treatment according to claim 1, wherein: the stirring mechanism (6) further comprises bearings with seats (68), the two bearings with seats (68) are respectively arranged at two ends of the stirring impeller (61), and the two bearings with seats (68) are fixed at the bottom of the fluidization tank (1) through bolts.

7. An aerated biological fluidized bed for high efficiency sewage treatment according to claim 1, wherein: annular fixed grooves are formed in the inner side of the connecting ring (10) along the axis direction, the clamping blocks (94) are embedded in the inner side of the connecting ring (10), and an electric box (7) is installed on one side, located on the driving motor (65), of the table top of the fluidization pool (1).