CN113754089A

CN113754089A - Sewage aeration tank with spiral aeration plate

Info

Publication number: CN113754089A
Application number: CN202111077863.5A
Authority: CN
Inventors: 王俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2021-12-07

Abstract

The invention relates to a sewage aeration tank, in particular to a sewage aeration tank with a spiral aeration plate. The sewage aeration tank with the spiral aeration plate is convenient for people to adjust the upper position and the lower position of the spiral blade, and has high universality, high treatment effect and lower cost consumption. A sewage aeration tank with a spiral aeration plate comprises: the base is provided with a vertical frame; the reaction tank is arranged on the base; and the discharge pipe is arranged on the base and is connected with the reaction tank. According to the invention, a proper amount of sewage is poured into the reaction tank, the rotary table is twisted to rotate according to the sewage capacity, the left sliding plate and the right sliding plate are matched to enable the spiral plate to move up and down to a proper position, the rotary table is stopped being twisted, the motor is started to drive the driving shaft to rotate, the spiral plate drives the stirring blades to rotate, and the sewage is aerated, so that people can conveniently adjust the upper position and the lower position of the spiral blades, and the universality is high.

Description

Sewage aeration tank with spiral aeration plate

Technical Field

The invention relates to a sewage aeration tank, in particular to a sewage aeration tank with a spiral aeration plate.

Background

Most industrial treatment black smelly sewage generally can be used sewage aeration tank, but current aeration tank is when handling sewage, generally for blast aeration or mechanical aeration carry out a mode that uses alone, aeration equipment mostly fixes in aeration tank can not remove when aerating to the effluent water sump simultaneously, inconvenient regulation helical blade's upper and lower position, can not adapt to the sewage of the inside different water level height of aeration tank, the commonality is relatively poor, consequently, to more can not be fine make activated sludge combine together with the impurity in the sewage in the aeration tank, the dissolved oxygen volume in the aeration tank has not only been reduced, and make sewage treatment's effect not high and the cost consume great.

How to design one kind and make things convenient for people to adjust the upper and lower position of helical blade, the commonality is high, and the sewage aeration tank that has spiral aeration board that treatment effect is high and the cost consumption is lower to solve prior art problem.

Disclosure of Invention

In order to overcome inconvenient regulation helical blade's upper and lower position, can not adapt to the inside sewage of different water level height of aeration tank, the commonality is relatively poor, and makes the not high and cost of treatment effect consume great shortcoming, technical problem: the sewage aeration tank with the spiral aeration plate is convenient for people to adjust the upper position and the lower position of the spiral blade, high in universality, high in treatment effect and low in cost consumption.

The technical scheme is as follows: a sewage aeration tank with a spiral aeration plate comprises: the base is provided with a vertical frame; the reaction tank is arranged on the base; the discharge pipe is arranged on the base and is connected with the reaction tank; the lifting device is arranged on the vertical frame and used for adjusting the aeration position; the rotary aeration device is arranged on the lifting device and is used for aeration; the spiral plate is arranged on the rotary aeration device.

Preferably, the lifting device includes: the bow-shaped plate is arranged on the vertical frame; the first rotating shaft is rotatably arranged on the arch-shaped plate; the rotary disc is arranged on the first rotating shaft; the number of the first fixing blocks is two, and the first fixing blocks are symmetrically arranged on the vertical frame; the screw rod is rotatably arranged on the first fixing block; the bevel gears are respectively arranged on one screw rod and the first rotating shaft, and the two bevel gears are meshed; the number of the sliding plates is two, and the sliding plates are symmetrically and slidably arranged on the vertical frame; the helical tooth block is arranged on the sliding plate and is in threaded connection with the screw rod; and the transmission assembly is arranged between the two screw rods.

Preferably, the rotary aeration apparatus comprises: the mounting plate is mounted between the two sliding plates; the motor is arranged on the mounting plate; the driving shaft is arranged on the output shaft of the motor and fixedly connected with the spiral plate; the number of the installation blocks is multiple, every two installation blocks form a group, and the installation blocks are installed on the spiral plate at intervals; the second rotating shaft is rotatably arranged between the two mounting blocks; the material shifting blade is arranged on the second rotating shaft.

Preferably, the air blower further comprises an air blowing device, and the air blowing device comprises: the blower is arranged on the base; the fixing column is arranged on the reaction tank; the air guide pipe is arranged on the fixed column and penetrates through the reaction tank; the air guide soft sleeve is arranged between the air guide pipe and the blower; the air outlet cavity shell is arranged on the air guide pipe; the number of the air outlet pipes is seven, and the air outlet pipes are arranged on the air outlet cavity shell at intervals.

Preferably, the vehicle further comprises an acceleration device, wherein the acceleration device comprises: the number of the mounting rods is two, and the mounting rods are symmetrically mounted on the vertical frame; the limiting plate is arranged between the two mounting rods; the hexagonal sleeve is arranged on the driving shaft; the hexagonal sleeve penetrates through the inner hexagonal sleeve, and the hexagonal sleeve is in sliding fit with the inner hexagonal sleeve; the rotating plate is arranged on the hexagonal sleeve in a sliding manner; the limiting block is rotatably arranged on the limiting disc and fixedly connected with the rotating plate; the groove block is arranged on the rotating plate; the sliding inclined block is arranged on the groove block in a sliding manner; the first return spring is arranged between the sliding inclined block and the groove block; the number of the second fixing blocks is four, and the second fixing blocks are arranged on the reaction tank at intervals; the sliding rod is slidably mounted on the second fixing block; the contact ring is arranged between the sliding rods; the second reset spring is arranged between the second fixed block and the sliding rod; the connecting rod is arranged on the contact ring; and the U-shaped plate is arranged on the connecting rod.

Preferably, the device further comprises a supporting device, and the supporting device comprises: the sliding rods are symmetrically arranged on the vertical frame and are connected with the sliding plate in a sliding manner; and one end of the supporting spring is connected with the sliding plate, and the other end of the supporting spring is connected with the vertical frame.

Preferably, the device also comprises a limiting device, and the limiting device comprises: the number of the supporting plates is two, and the supporting plates are symmetrically arranged on the base; the U-shaped seat is arranged between the two supporting plates.

Preferably, the discharge pipe is provided with a valve.

Has the advantages that:

1. according to the invention, a proper amount of sewage is poured into the reaction tank, the rotary table is twisted to rotate according to the sewage capacity, the left sliding plate and the right sliding plate are matched to enable the spiral plate to move up and down to a proper position, the rotary table is stopped being twisted, the motor is started to drive the driving shaft to rotate, the spiral plate drives the stirring blades to rotate, and the sewage is aerated, so that people can conveniently adjust the upper position and the lower position of the spiral blades, and the universality is high.

2. According to the invention, under the action of the air blowing device, air is discharged into the air outlet cavity shell, and then discharged from the air outlet pipe, so that sewage bubbles are dispersed and escaped, and the aeration effect is increased, so that the aeration effect is increased.

3. Under the action of the accelerating device, the U-shaped plate moves downwards to enable the air guide soft sleeve to deform, and under the same pressure, the smaller the pipe diameter is, the faster the flow velocity is, the constant flow is, the higher the gas density is, and the outlet pressure is increased, so that people can conveniently adjust the outlet pressure.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a schematic perspective view of the lifting device of the present invention.

Fig. 5 is an enlarged schematic view of part a of the present invention.

Fig. 6 is an enlarged view of part B of the present invention.

Fig. 7 is a schematic perspective view of the rotary aeration apparatus of the present invention.

Fig. 8 is an enlarged schematic view of part C of the present invention.

Fig. 9 is a perspective view of the blower of the present invention.

Fig. 10 is a schematic perspective view of the accelerating device of the present invention.

FIG. 11 is a schematic view of a first partial cross-sectional structure of an accelerating device according to the present invention.

FIG. 12 is a schematic view of a second partial cross-sectional structure of the accelerating device of the present invention.

Fig. 13 is an enlarged view of the portion D of the present invention.

Fig. 14 is a schematic perspective view of the supporting device of the present invention.

Fig. 15 is a schematic perspective view of the spacing device of the present invention.

Labeled as: 1-base, 2-vertical frame, 3-reaction tank, 4-discharge pipe, 5-spiral plate, 6-lifting device, 61-bow plate, 62-first rotating shaft, 63-rotating disc, 64-first fixed block, 65-screw rod, 66-bevel gear, 67-sliding plate, 68-skewed tooth block, 69-transmission component, 7-rotary aeration device, 71-mounting plate, 72-motor, 73-driving shaft, 74-mounting block, 75-second rotating shaft, 76-stirring blade, 8-blowing device, 81-blower, 82-fixed column, 83-air guide pipe, 84-air guide soft sleeve, 85-air outlet cavity shell, 86-air outlet pipe, 9-accelerating device, 91-mounting rod, 92-limiting disc, 93-hexagonal sleeve, 94-inner hexagonal sleeve, 95-rotating plate, 96-limiting block, 97-groove block, 98-sliding inclined block, 99-first return spring, 910-second fixed block, 911-sliding rod, 912-second return spring, 913-contact ring, 914-connecting rod, 915-U-shaped plate, 10-supporting device, 101-sliding rod, 102-supporting spring, 11-limiting device, 111-supporting plate and 112-U-shaped seat.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.

Example 1

A sewage aeration tank with spiral aeration plates is shown in figures 1-8 and comprises a base 1, a vertical frame 2, a reaction tank 3, a discharge pipe 4, a spiral plate 5, a lifting device 6 and a rotary aeration device 7, wherein the vertical frame 2 is fixedly connected to the front side of the top of the base 1, the reaction tank 3 is fixedly connected to the front middle side of the top of the base 1, the discharge pipe 4 is arranged on the front middle side of the front of the base 1, the discharge pipe 4 is connected with the reaction tank 3, a valve is arranged on the front portion of the discharge pipe 4, the lifting device 6 is arranged on the vertical frame 2, the rotary aeration device 7 is arranged on the lifting device 6, and the spiral plate 5 is arranged on the rotary aeration device 7.

The lifting device 6 comprises an arch plate 61, a first rotating shaft 62, a rotating disc 63, a first fixed block 64, a screw rod 65, bevel gears 66, a sliding plate 67, an oblique gear block 68 and a transmission component 69, wherein the lower part of the outer left side surface of the vertical frame 2 is fixedly connected with the arch plate 61, the middle part of the arch plate 61 is rotatably provided with the first rotating shaft 62, the left end of the first rotating shaft 62 is fixedly connected with the rotating disc 63, the middle parts of the outer left side and the outer right side of the vertical frame 2 are fixedly connected with the first fixed block 64, the middle part of the first fixed block 64 is rotatably provided with the screw rod 65, the lower part of the left screw rod 65 and the right end of the first rotating shaft 62 are fixedly connected with the bevel gears 66, the two bevel gears 66 are meshed, the sliding plates 67 are slidably arranged on the left side and the right side of the upper part of the vertical frame 2, the outer side surface of the sliding plate 67 is fixedly connected with the oblique gear block 68, the oblique gear block 68 is in threaded connection with the screw rod 65, the transmission component 69 is connected between the upper parts of the left side and the right side screw rod 65, the transmission component 69 is composed of two belt pulleys and a belt, the belt pulley is mounted on the upper portion of the screw rod 65, and the belt is wound between the two belt pulleys.

The rotary aeration device 7 comprises an installation plate 71, a motor 72, a driving shaft 73, installation blocks 74, a second rotating shaft 75 and material shifting blades 76, the installation plate 71 is fixedly connected between the inner sides of the left and right sliding plates 67, the motor 72 is fixedly connected to the middle of the bottom of the installation plate 71, the driving shaft 73 is connected to an output shaft of the motor 72, the driving shaft 73 is fixedly connected with the spiral plate 5, a plurality of installation blocks 74 are arranged on the spiral plate 5 at intervals, every two installation blocks 74 form a group, the second rotating shaft 75 is rotatably arranged between the two installation blocks 74, and the material shifting blades 76 are fixedly connected to the middle of the second rotating shaft 75.

Firstly, an operator pours a proper amount of sewage into a reaction tank 3, then twists a rotary disc 63 to rotate according to the sewage capacity, the rotary disc 63 rotates to drive a first rotary shaft 62 to rotate, the first rotary shaft 62 rotates to drive a left screw rod 65 to rotate through a bevel gear 66, the left screw rod 65 rotates to drive a left inclined tooth block 68 to move up and down, the left inclined tooth block 68 moves up and down to drive a left sliding plate 67 to move up and down, meanwhile, the left screw rod 65 rotates to drive a transmission component 69 to rotate, the transmission component 69 rotates to drive a right screw rod 65 to rotate, the right screw rod 65 rotates to drive a right inclined tooth block 68 to move up and down, the right inclined tooth block 68 moves up and down to drive a right sliding plate 67 to move up and down, the left and right sliding plates 67 are matched to drive a mounting plate 71 to move up and down, the mounting plate 71 moves up and down to drive a motor 72 to move up and down to drive a driving shaft 73 to move up and down, and the driving shaft 73 to move up and down to drive a spiral plate 5 to move up and down, after spiral plate 5 reciprocated to suitable position, stop wrench movement carousel 63, restart motor 72, motor 72 drives drive shaft 73 and rotates, drive shaft 73 rotates and drives spiral plate 5 and rotates, spiral plate 5 rotates and drives stirring leaf 76 and rotates, stir leaf 76 and rotate and handle sewage aeration, stir leaf 76 sewage aeration and handle the back, close motor 72, drive shaft 73 stops to drive spiral plate 5 and rotates, then place the collecting vessel under discharge pipe 4, open the valve and discharge sewage and carry out subsequent processing can.

Example 2

On the basis of embodiment 1, as shown in fig. 2, 9, 10, 11, 12 and 13, the air-blowing device 8 is further included, the air-blowing device 8 includes an air-blower 81, a fixing column 82, an air guide pipe 83, an air guide soft sleeve 84, an air outlet cavity shell 85 and an air outlet pipe 86, the air-blower 81 is fixedly connected to the rear middle side of the top of the base 1, the fixing column 82 is arranged on the lower middle side of the rear wall inside the reaction tank 3, the air guide pipe 83 is arranged in the fixing column 82, the air guide pipe 83 penetrates through the reaction tank 3, the air guide soft sleeve 84 is arranged between the rear part of the air guide pipe 83 and the front part of the air-blower 81, the air outlet cavity shell 85 is arranged in the front part of the air guide pipe 83, and seven air outlet pipes 86 are arranged at intervals outside the air outlet cavity shell 85.

When the sewage is subjected to aeration treatment, the air blower 81 can be started to operate, the air blower 81 discharges air into the air guide pipe 83 through the air guide soft sleeve 84, then the air is discharged into the air outlet cavity shell 85, and then the air is discharged from the air outlet pipe 86 to enable sewage bubbles to diffuse and escape, so that the aeration effect is increased, and after the sewage aeration treatment is completed, the air blower 81 is closed and stopped, so that the aeration effect can be increased.

The device also comprises an accelerating device 9, wherein the accelerating device 9 comprises a mounting rod 91, a limiting disc 92, a hexagonal sleeve 93, an inner hexagonal sleeve 94, a rotating plate 95, a limiting block 96, a groove block 97, a sliding inclined block 98, a first reset spring 99, a second fixed block 910, a sliding rod 911, a second reset spring 912, a contact ring 913, a connecting rod 914 and a U-shaped plate 915, the mounting rod 91 is fixedly connected to the upper parts of the left side and the right side in the vertical frame 2, the limiting disc 92 is fixedly connected between the inner ends of the mounting rods 91 on the left side and the right side, the hexagonal sleeve 93 is fixedly connected to the lower part of the driving shaft 73, the inner hexagonal sleeve 94 is fixedly connected to the middle part of the limiting disc 92 in an embedded manner, the hexagonal sleeve 93 penetrates through the inner hexagonal sleeve 94, the hexagonal sleeve 93 is in sliding fit with the inner hexagonal sleeve 94, the rotating plate 95 is slidably arranged on the upper part of the hexagonal sleeve 93, the limiting block 96 is rotatably arranged on the outer side of the limiting disc 92, the limiting block 96 is fixedly connected with the rotating plate 95, the groove block 97 is fixedly connected to the rear side surface of the rotating plate 95, the inner sliding type reaction tank is characterized in that a sliding inclined block 98 is arranged in the groove block 97 in a sliding mode, a first reset spring 99 is fixedly connected between the front side face of the sliding inclined block 98 and the inner front side face of the groove block 97, four second fixing blocks 910 are arranged on the upper portion of the outer side face of the reaction tank 3 at intervals, a sliding rod 911 is arranged on the second fixing blocks 910 in a sliding mode, a second reset spring 912 is wound between the top of each second fixing block 910 and the upper portion of the corresponding sliding rod 911, a contact ring 913 is fixedly connected between the top ends of the sliding rods 911, the contact ring 913 is in contact fit with the sliding inclined block 98, a connecting rod 914 is fixedly connected to the middle portion of the rear portion of the contact ring 913, a U-shaped plate 915 is fixedly connected to the bottom end of the connecting rod 914, and the U-shaped plate 915 is matched with the air guide soft sleeve 84.

When the motor 72 is started, the driving shaft 73 rotates to drive the hexagonal sleeve 93 to rotate, the hexagonal sleeve 93 rotates to drive the rotating plate 95 to rotate, the limiting block 96 plays a role in guiding, the rotating plate 95 rotates to drive the groove block 97 to rotate, the groove block 97 rotates to drive the sliding inclined block 98 to rotate, due to the action of centrifugal force, the sliding inclined block 98 rotates to a certain distance outwards, the first return spring 99 plays a role in buffering, the sliding inclined block 98 rotates to enable the contact ring 913 to move downwards, the contact ring 913 moves downwards to drive the sliding rod 911 and the connecting rod 914 to move downwards, the second return spring 912 is compressed, the connecting rod 914 moves downwards to drive the U-shaped plate 915 to move downwards, the U-shaped plate 915 moves downwards to enable the air guide soft sleeve 84 to deform, the smaller the pipe diameter is under the same pressure, the faster the flow rate is, the flow rate is constant, the higher the gas density is, the outlet pressure is increased, and after the sewage aeration treatment is completed, the driving shaft 73 stops driving the six-sided sleeve 93 to rotate, the sliding inclined block 98 stops rotating, and the sliding rod 911 drives the contact ring 913 to move upwards to reset under the action of the second return spring 912, so that people can adjust the outlet pressure conveniently.

Example 3

On the basis of the embodiments 1 and 2, as shown in fig. 1, 2, 14 and 15, the supporting device 10 is further included, the supporting device 10 includes a sliding rod 101 and a supporting spring 102, the sliding rod 101 is fixedly connected to both left and right sides of the upper portion of the stand 2, the sliding rod 101 is slidably connected to the sliding plate 67, the supporting spring 102 is wound around the sliding rod 101, one end of the supporting spring 102 is connected to the sliding plate 67, and the other end of the supporting spring 102 is connected to the stand 2.

The air guide device further comprises a limiting device 11, wherein the limiting device 11 comprises a supporting plate 111 and a U-shaped seat 112, the supporting plate 111 is fixedly connected to the rear middle side of the top of the base 1 in a front-back symmetrical mode, the U-shaped seat 112 is fixedly connected between the tops of the supporting plates 111 on the front side and the rear side, and the U-shaped seat 112 is matched with the air guide soft sleeve 84.

When people twist the turntable 63 to adjust the up-down position, the sliding rod 101 plays a guiding role, and the supporting spring 102 supports and buffers the sliding plate 67, so that the sliding plate 67 can move more smoothly.

When the U-shaped plate 915 moves downward to deform the air guide soft sleeve 84, the U-shaped seat 112 supports the air guide soft sleeve 84, so that the air guide soft sleeve 84 can be supported when deformed.

While the disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Accordingly, the scope of the present disclosure should not be limited to the above-described embodiments, but should be defined not only by the appended claims, but also by equivalents thereof.

Claims

1. The utility model provides a sewage aeration tank with spiral aeration board which characterized in that, including:

the device comprises a base (1), wherein a vertical frame (2) is arranged on the base (1);

the reaction tank (3), the reaction tank (3) is installed on the base (1);

the discharge pipe (4), the discharge pipe (4) is installed on the base (1), and the discharge pipe (4) is connected with the reaction tank (3);

the lifting device (6) is arranged on the vertical frame (2) and is used for adjusting the aeration position;

the rotary aeration device (7) is arranged on the lifting device (6) and is used for aeration;

the spiral plate (5), the spiral plate (5) is installed on the rotary aeration device (7).

2. A sewage aeration tank with a spiral aeration plate according to claim 1, wherein the lifting device (6) comprises:

the arch-shaped plate (61), the arch-shaped plate (61) is installed on the vertical frame (2);

the first rotating shaft (62), the first rotating shaft (62) is rotatably installed on the arched plate (61);

the rotary table (63), the rotary table (63) is installed on the first rotating shaft (62);

the number of the first fixing blocks (64) is two, and the first fixing blocks (64) are symmetrically arranged on the vertical frame (2);

the screw rod (65), the screw rod (65) is installed on the first fixed block (64) in a rotating mode;

the bevel gears (66), the bevel gears (66) are respectively installed on one of the screw rods (65) and the first rotating shaft (62), and the two bevel gears (66) are meshed;

the number of the sliding plates (67) is two, and the sliding plates (67) are symmetrically and slidably mounted on the stand (2);

the oblique tooth block (68), the oblique tooth block (68) is installed on the sliding plate (67), and the oblique tooth block (68) is in threaded connection with the screw rod (65);

and the transmission assembly (69), and the transmission assembly (69) is arranged between the two screw rods (65).

3. A sewage aeration tank with a spiral aeration plate according to claim 2, wherein the rotary aeration device (7) comprises:

a mounting plate (71), the mounting plate (71) being mounted between the two sliding plates (67);

the motor (72), the motor (72) is installed on the mounting plate (71);

the driving shaft (73), the driving shaft (73) is installed on the output shaft of the motor (72), the driving shaft (73) is fixedly connected with the spiral plate (5);

the number of the mounting blocks (74) is multiple, every two mounting blocks (74) form a group, and the mounting blocks (74) are mounted on the spiral plate (5) at intervals;

the second rotating shaft (75), the second rotating shaft (75) is rotatably installed between the two installation blocks (74);

the material shifting blade (76), the material shifting blade (76) is installed on the second rotating shaft (75).

4. A sewage aeration tank with a spiral aeration plate according to claim 3, further comprising an air blowing device (8), wherein the air blowing device (8) comprises:

the air blower (81), the air blower (81) is installed on the base (1);

the fixing column (82), the fixing column (82) is installed on the reaction tank (3);

the air guide pipe (83), the air guide pipe (83) is installed on the fixed column (82), and the air guide pipe (83) penetrates through the reaction tank (3);

the air guide soft sleeve (84), the air guide soft sleeve (84) is arranged between the air guide pipe (83) and the blower (81);

the air outlet cavity shell (85), the air outlet cavity shell (85) is installed on the air guide pipe (83);

the number of the air outlet pipes (86) is seven, and the air outlet pipes (86) are arranged on the air outlet cavity shell (85) at intervals.

5. A sewage aeration tank with a spiral aeration plate according to claim 4, characterized in that it further comprises an acceleration device (9), and the acceleration device (9) comprises:

the number of the mounting rods (91) is two, and the mounting rods (91) are symmetrically mounted on the vertical frame (2);

the limiting disc (92), the limiting disc (92) is installed between the two mounting rods (91);

the hexagonal sleeve (93), the hexagonal sleeve (93) is installed on the driving shaft (73);

the inner hexagonal sleeve (94), the inner hexagonal sleeve (94) is embedded on the limiting disc (92), the hexagonal sleeve (93) penetrates through the inner hexagonal sleeve (94), and the hexagonal sleeve (93) is in sliding fit with the inner hexagonal sleeve (94);

the rotating plate (95), the rotating plate (95) is installed on the hexagonal sleeve (93) in a sliding mode;

the limiting block (96), the limiting block (96) is installed on the limiting disc (92) in a rotating mode, and the limiting block (96) is fixedly connected with the rotating plate (95);

the groove block (97), the groove block (97) is installed on the rotating plate (95);

the sliding inclined block (98), the sliding inclined block (98) is arranged on the groove block (97) in a sliding way;

the first return spring (99), the first return spring (99) is installed between the sliding inclined block (98) and the groove block (97);

the number of the second fixed blocks (910) is four, and the second fixed blocks (910) are arranged on the reaction tank (3) at intervals;

the sliding rod (911), the sliding rod (911) is installed on the second fixed block (910) in a sliding manner;

a contact ring (913), the contact ring (913) being installed between the sliding bars (911);

the second return spring (912), the second return spring (912) is installed between the second fixed block (910) and the sliding rod (911);

a tie bar (914), the tie bar (914) being mounted on the contact ring (913);

the U-shaped plate (915), the U-shaped plate (915) is installed on the connecting rod (914).

6. A sewage aeration tank with a spiral aeration plate according to claim 5, further comprising a support device (10), wherein the support device (10) comprises:

the number of the sliding rods (101) is two, the sliding rods (101) are symmetrically arranged on the vertical frame (2), and the sliding rods (101) are connected with the sliding plate (67) in a sliding mode;

the supporting spring (102), the supporting spring (102) is wound on the sliding rod (101), one end of the supporting spring (102) is connected with the sliding plate (67), and the other end of the supporting spring (102) is connected with the stand (2).

7. The sewage aeration tank with the spiral aeration plate according to claim 6, further comprising a position limiting device (11), wherein the position limiting device (11) comprises:

the number of the supporting plates (111) is two, and the supporting plates (111) are symmetrically arranged on the base (1);

the U-shaped seat (112), the U-shaped seat (112) is installed between two supporting plates (111).

8. The sewage aeration tank with the spiral aeration plate according to claim 7, wherein the discharge pipe (4) is provided with a valve.