CN119774736A

CN119774736A - A sewage treatment sedimentation tank disinfection equipment

Info

Publication number: CN119774736A
Application number: CN202510293629.8A
Authority: CN
Inventors: 彭发龙; 朱旭佳; 窦晓明; 吴兰兰
Original assignee: Hefei Zhongan Qingyuan Environmental Protection Technology Co ltd
Current assignee: Hefei Zhongan Qingyuan Environmental Protection Technology Co ltd
Priority date: 2025-03-13
Filing date: 2025-03-13
Publication date: 2025-04-08
Anticipated expiration: 2045-03-13
Also published as: CN119774736B

Abstract

The invention discloses a sewage treatment sedimentation tank disinfection device, which relates to the technical field of sewage treatment, comprising: a sedimentation tank body and a cross bridge erected on the sedimentation tank body, a dosing assembly is further arranged at the center of the sedimentation tank body, the sedimentation tank body comprises an outer circle concrete enclosure and an inner circle water reservoir, a clean water trough is arranged on the top of the concrete enclosure, the water reservoir is arranged in a circular shape, which is convenient for accumulating sewage, the dosing assembly comprises a central supporting shaft, a hollow disc is rotatably mounted on the supporting shaft, dosing cantilevers are symmetrically arranged on both sides of the hollow disc for delivering liquid medicine, and the length of the dosing cantilever is less than the radius of the water reservoir, and the present application can push two dosing cantilevers to rotate continuously on the water reservoir as the hollow disc rotates, and the liquid medicine released downward by the dosing cantilever can be evenly spread on the water reservoir, thereby ensuring uniform dosing, facilitating the disinfection of sewage and accelerating flocculation.

Description

Sewage treatment sedimentation tank disinfection equipment

Technical Field

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

Background

The sedimentation tank is a structure for removing suspended matters in water by sedimentation, is widely used in wastewater treatment, is one of the most important components in a wastewater treatment system, is a key link for determining the wastewater treatment effect by standing sedimentation and water quality detection, and is usually added with disinfection and flocculation agents in order to enhance the wastewater sedimentation effect.

Generally, a sedimentation tank has a larger surface area for increasing sewage capacity, and when disinfection and flocculation agents are added into the sedimentation tank, even dosing of the agents is difficult to ensure, so that the effect of sewage sedimentation is easily affected.

Disclosure of Invention

In order to solve the problems in the background art, the invention provides a disinfection device for a sewage treatment sedimentation tank.

The invention provides a sewage treatment sedimentation tank disinfection device which adopts the following technical scheme:

The sewage treatment sedimentation tank disinfection equipment comprises a sedimentation tank body and a transverse bridge erected on the sedimentation tank body, wherein the center of the sedimentation tank body is also provided with a dosing assembly;

The sedimentation tank body comprises a concrete enclosing baffle of the outer ring and a water storage tank of the inner ring, a water cleaning tank is arranged at the top of the concrete enclosing baffle, and the water storage tank is arranged in a circular shape, so that sewage is conveniently stored;

The medicine feeding component comprises a central supporting shaft, a hollow disc is sleeved on the supporting shaft in a rotating way, medicine feeding cantilevers are symmetrically arranged on two sides of the hollow disc and used for feeding medicine liquid, and the length of the medicine feeding cantilevers is smaller than the radius of the reservoir;

Wherein, the inside of the cantilever of dosing still is equipped with the guiding gutter, and the spiral auger pole is installed in the guiding gutter rotation, and the outer port of guiding gutter is open to be set up, still leaves between guiding gutter and the both sides wall of the cantilever of dosing and be equipped with the passageway of liquid medicine circulation, and the lower medicine groove has still been seted up to the diapire of running through the passageway, and a plurality of intercommunication mouths have all been seted up on the both sides that the guiding gutter is close to back shaft one end.

Preferably, an auxiliary bevel gear fixedly sleeved on the supporting shaft is further arranged inside the hollow disc, a rolling bevel gear is further arranged on the end part of the spiral auger rod penetrating into the hollow disc, and the rolling bevel gear is meshed with the auxiliary bevel gear.

Preferably, the support shaft is further rotatably sleeved with a gear plate, the gear plate is arranged above the hollow disc, a plurality of linkage rods are arranged between the gear plate and the hollow disc, a support seat is further sleeved on the top end of the support shaft, a driving motor is mounted at the bottom of the support seat, a driving gear is mounted on an output shaft of the driving motor, and the driving gear is meshed with the gear plate.

Preferably, the drug delivery pipe is further suspended above the drug delivery cantilever, a fixed support for fixedly supporting the drug delivery pipe is further arranged on the top of the drug delivery cantilever, and a drug adding part is arranged on the top of the drug delivery pipe in a butt joint mode.

Preferably, the medicine adding part comprises a circular medicine charging tray, a waterproof bearing is arranged at the bottom of the medicine charging tray, a transfer tube is arranged in the waterproof bearing, and the tops of the two medicine conveying tubes are all in butt joint with the transfer tube.

Preferably, the medicine adding part comprises a medicine filling vessel which is annularly arranged, the medicine filling vessel is fixedly arranged at the tops of the two medicine conveying pipes, and the medicine filling vessel is communicated with the medicine conveying pipes.

Preferably, the bottom of cistern still installs the hopper-shaped and gathers husky pond, gathers the bottom center department in husky pond and is provided with down husky mouthful, and down the bottom of husky mouthful still installs the sand pipe, still offered on the inner wall of cistern with the water seepage groove of clear water groove looks parallel and level, and the outside that the concrete encloses the fender is connected with the drain pipe, the inner end of drain pipe extends to in the clear water groove.

Preferably, the bottom of the hollow disc is also provided with a hollow sleeve, the bottom end of the hollow sleeve extends into the sand outlet, and three sand collecting plates which are arranged in an annular array are arranged on the hollow sleeve, the sand collecting plates are provided with a certain bending from bottom to top, and the bending direction is consistent with the rotation direction of the hollow sleeve.

Preferably, the hollow sleeve is further provided with three stirring blades arranged in an annular array, the end part of the stirring blades facing the hollow sleeve is respectively connected with a rotating shaft and a limiting shaft, the rotating shaft is arranged above the limiting shaft, the rotating shaft is further sleeved with a torsion spring, two ends of the torsion spring are respectively connected to the stirring blades and the hollow sleeve, and the side surface of the hollow sleeve is provided with a guide groove for the limiting shaft to slide.

Preferably, a plurality of mixing grooves are further formed in the stirring blade at equal intervals, the mixing grooves are formed in the upper portion of the stirring blade and the lower portion of the stirring blade, and the turbulence plates are further rotatably arranged in the mixing grooves.

In summary, the invention has the following beneficial technical effects:

1. According to the application, the two dosing cantilevers are symmetrically arranged on the hollow disc, and can be pushed to continuously rotate on the reservoir along with the rotation of the hollow disc, and the liquid medicine released by the dosing cantilevers downwards can be uniformly spread on the reservoir, so that uniform dosing is ensured, and sewage can be conveniently disinfected and flocculation is accelerated.

2. The application is also provided with the guide groove in the dosing cantilever, the guide groove is internally provided with the spiral auger rod, after the liquid medicine enters the guide groove, the liquid medicine can be pushed into the dosing cantilever under the action of the spiral auger rod, then the liquid medicine can return to the guide groove through the communication port to circularly flow, the liquid medicine can be further mixed uniformly while flowing, and then the liquid medicine can flow downwards along the lower medicine groove and be released into the reservoir when the liquid medicine is required to be released.

3. The sand collecting plate is also arranged at the bottom end of the hollow sleeve, and is bent from bottom to top, so that when the hollow sleeve rotates, the sand collecting plate can push sediment in the sand collecting pool to gather towards the center and be discharged outwards through the sand discharging port.

4. According to the application, the stirring blade plates are further arranged on the hollow sleeve, the stirring blade plates can swing around the rotating shaft, when the hollow sleeve rotates, the three stirring blade plates can be pushed to rotate, so that sewage is stirred and mixed, the spoiler plates are further arranged in the mixing grooves of the stirring blade plates, when the stirring blade plates rotate, the spoiler plates in the mixing grooves can continuously rotate under the action of water flow, and when the stirring blade plates rotate, the stirring blade plates can drive sewage to mix, so that suspended matters in the sewage can be quickly contacted and mixed with liquid medicine, and the flocculation step is conveniently accelerated.

Drawings

FIG. 1 is a schematic view of a first embodiment of the present invention;

FIG. 2 is a schematic diagram of a second embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the sedimentation tank body of the present invention;

FIG. 4 is a schematic illustration of a dosing assembly according to a second embodiment of the invention;

FIG. 5 is a schematic view of the structure of the stirring blade plate of the present invention;

FIG. 6 is a schematic view showing the separation of the structure of the administration arm of the present invention;

FIG. 7 is a schematic view of the structure of portion A of FIG. 3 in accordance with the present invention;

Fig. 8 is a schematic view of the structure of part B of fig. 5 according to the present invention.

The reference numerals are 1, a sedimentation tank body, 101, a concrete enclosure, 102, a reservoir, 103, a sand collecting tank, 104, a sand outlet, 105, a sand discharge pipe, 106, a water seepage tank, 107, a water discharge pipe, 2, a transverse bridge, 3, a dosing assembly, 301, a supporting shaft, 302, a hollow disc, 303, a dosing cantilever, 3031, a diversion trench, 3032, a spiral twisted Long Gan, 3033, a rolling bevel gear, 3034, an auxiliary bevel gear, 3035, a communication port, 3036, a medicine outlet, 304, a gear disc, 305, a linkage rod, 306, a driving gear, 307, a bracket seat, 308, a fixed support, 309, a medicine conveying pipe, 309A, a medicine loading tray, 309B, a medicine loading vessel, 310, a waterproof bearing, 311, a hollow sleeve, 312, a sand collecting plate, 313, a stirring blade plate, 314, a rotating shaft, a torsion spring, 316, a limiting shaft, 317, a guide trench, 318, a mixed flow trench, 319, a spoiler.

Detailed Description

The present invention is described in further detail below with reference to fig. 1 to 8.

It is noted that the figures are schematic and not drawn to scale. Relative dimensions and proportions of parts of the figures have been shown exaggerated or reduced in size, for the sake of clarity and convenience in the drawings, and any dimensions are merely illustrative and not limiting. The same reference numerals are used for the same structures, elements, or accessories appearing in more than two figures to embody similar features.

Example 1

Referring to fig. 1 to 8, the invention discloses a sewage treatment sedimentation tank disinfection device, which comprises a sedimentation tank body 1 and a transverse bridge 2 erected on the sedimentation tank body 1, wherein the sedimentation tank body 1 comprises a concrete enclosing baffle 101 of an outer ring and a reservoir 102 of an inner ring, the top of the concrete enclosing baffle 101 is provided with a clean water tank, the reservoir 102 is circularly arranged, sewage is conveniently accumulated, a water seepage tank 106 flush with the clean water tank is further arranged on the inner wall of the reservoir 102, the outer side of the concrete enclosing baffle 101 is connected with a drain pipe 107, the inner end of the drain pipe 107 extends into the clean water tank, a funnel-shaped sand collecting tank 103 is further arranged at the bottom of the reservoir 102, a sand discharging port 104 is arranged at the center of the bottom of the sand collecting tank 103, and a sand discharging pipe 105 is further arranged at the bottom of the sand discharging port 104, during operation, sewage can be discharged into the reservoir 102 through the water pipe, the structure of the reservoir 102 can be reinforced, thereby the water storage capacity of the reservoir 102 can be met, the clean water tank 106 is arranged on the inner wall of the top of the reservoir 102, the water seepage tank is flush with the sewage is conveniently accumulated, the water seepage tank is further arranged on the top surface of the top of the reservoir 102, the water seepage tank is continuously discharged into the water tank through the water tank 106, and the water can continuously flows into the water tank through the water collecting tank 102 after the water is continuously discharged into the water tank through the water tank, and the top of the water tank is continuously arranged, and the water is continuously discharged into the top of the water tank 102 after the water is subjected to be discharged into the water by the water through the water tank, and the water tank is continuously.

Referring to fig. 8, the center of the sedimentation tank body 1 is further provided with a dosing assembly 3, the dosing assembly 3 comprises a central supporting shaft 301, a hollow disc 302 is rotatably sleeved on the supporting shaft 301, dosing cantilevers 303 are symmetrically arranged on two sides of the hollow disc 302 and used for dosing liquid medicine, the length of each dosing cantilever 303 is smaller than the radius of a reservoir 102, a guide groove 3031 is further arranged in the dosing cantilever 303, a spiral auger stem 3032 is rotatably arranged in the guide groove 3031, an outer port of the guide groove 3031 is opened, a channel for circulating and circulating the liquid medicine is further reserved between the guide groove 3031 and two side walls of the dosing cantilever 303, a lower medicine groove 3036 is further formed in the bottom wall of the penetrating channel, a plurality of communication ports 3035 are formed in two sides of the guide groove 3031 close to one end of the supporting shaft 301, an auxiliary bevel gear 3034 fixedly sleeved on the supporting shaft 301 is further arranged in the hollow disc 302, the spiral auger stem 3032 is penetrated to the end part in the hollow disc 302 and is also provided with a rolling bevel gear 3033, the rolling bevel gear 3033 is meshed with an auxiliary bevel gear 3034, the supporting shaft 301 is also rotatably sleeved with a gear disc 304, the gear disc 304 is arranged above the hollow disc 302, a plurality of linkage rods 305 are arranged between the gear disc 304 and the hollow disc 302, the top end of the supporting shaft 301 is also sleeved with a bracket seat 307, the bottom of the bracket seat 307 is provided with a driving motor, the output shaft of the driving motor is provided with a driving gear 306, the driving gear 306 is meshed with the gear disc 304, and in order to keep uniform dosing, the suspended matters in sewage are ensured to flocculate and settle, the arranged dosing assembly 3 comprises two dosing cantilevers 303 symmetrically arranged on the hollow disc 302, when the hollow disc 302 pushes the dosing cantilevers 303 to rotate, the dosing cantilevers 303 continuously rotate at the top of the reservoir 102, so that the liquid medicine is uniformly paved on the upper layer of the sewage, and then the disinfectant and the flocculant in the liquid medicine play a role, on one hand, harmful bacteria in the sewage can be killed, on the other hand, flocculation sedimentation can be generated by combining the disinfectant and suspended matters in the water, the sewage can be effectively purified, the rolling bevel gear 3033 arranged at the end part of the spiral auger Long Gan is meshed and rolled on the auxiliary bevel gear 3034 when the chemical dosing cantilever 303 rotates, so that the spiral auger rod 3032 is continuously pushed to rotate, the liquid medicine dripped into the guide groove 3031 can be pushed to the channels at the two sides of the chemical dosing cantilever 303 under the pushing of the spiral auger rod 3032, the liquid medicine is pushed to advance, the circulation is completed by backflow at the communicating port 3035, the liquid medicine is conveniently and uniformly mixed, the liquid medicine can be pushed to flow, and the liquid medicine can also drop downwards into the reservoir 102 through the lower medicine tank 3036 when flowing, the medicine feeding operation is completed, and in order to conveniently put medicine liquid into the diversion trench 3031, medicine delivery pipes 309 are suspended above the medicine feeding cantilever 303, a fixed support 308 for fixedly supporting the medicine delivery pipes 309 is also arranged on the top of the medicine feeding cantilever 303, medicine feeding components are arranged on the top of the medicine delivery pipes 309 in a butt joint mode, medicine feeding components are round medicine loading discs 309A, waterproof bearings 310 are arranged on the bottoms of the medicine loading discs 309A, switching tubes are arranged in the waterproof bearings 310, the tops of the two medicine delivery pipes 309 are butt-jointed on the switching tubes, the medicine loading discs 309A are fixedly arranged in the middle of the transverse bridge 2, when the medicine feeding device is used, medicine liquid in the medicine loading discs 309A is mixed and guided into the two medicine delivery pipes 309 along the waterproof bearings 310 and the switching tubes, and finally drops on the diversion trench 3031 evenly.

Example two

Referring to fig. 5, the difference between the second embodiment and the first embodiment is that the medicine adding part is an annular medicine loading vessel 309B, the medicine loading vessel 309B is fixedly installed at the top of two medicine delivery pipes 309, and the medicine loading vessel 309B is communicated with the medicine delivery pipes 309, and the medicine loading vessel 309B is arranged below the cross bridge 2, so that medicine can be added from the cross bridge 2 to the annular medicine loading vessel 309B during administration, and since the medicine loading vessel 309B is supported by the medicine delivery pipes 309, when the medicine delivery cantilever 303 rotates, the medicine delivery pipe 309 installed by the medicine delivery fixing support 308 drives the medicine loading vessel 309B to rotate, and medicine liquid in the medicine loading vessel 309B can be dripped into the medicine delivery pipe 309 cantilever 303, so that the medicine can be conveniently and evenly administrated into the reservoir 102.

Example III

Referring to fig. 2, a hollow sleeve 311 is further installed at the bottom of the hollow disc 302, the bottom end of the hollow sleeve 311 extends into the lower sand hole 104, three sand collecting plates 312 arranged in a ring array are installed on the hollow sleeve 311, a certain bending is arranged on the sand collecting plates 312 from bottom to top, the bending direction is consistent with the rotation direction of the hollow sleeve 311, the hollow disc 302 can drive the hollow sleeve 311 to rotate together when working, the sand collecting plates 312 installed at the bottom end of the hollow sleeve 311 can push sediment and sediment falling into the sand collecting tank 103 when rotating, the funnel-shaped structure of the sand collecting tank 103 can gradually gather the sediment and the sediment into the lower sand hole 104 at the center when being pushed, and finally the sediment and the sediment are discharged, the sand collecting plates 312 are arranged in a bending mode from bottom to top, and the bending of the top can prevent the sediment and the sediment from drifting upwards when pushing the sediment and the sediment to the middle of the sand collecting tank 103, and the sediment can be pushed well.

Referring to fig. 2, the hollow sleeve 311 is further provided with three stirring blades 313 arranged in a ring array, the stirring blades 313 are respectively connected with a rotating shaft 314 and a limiting shaft 316 on the end part of the hollow sleeve 311, the rotating shaft 314 is arranged above the limiting shaft 316, the rotating shaft 314 is further sleeved with a torsion spring 315, two ends of the torsion spring 315 are respectively connected with the stirring blades 313 and the hollow sleeve 311, the side surface of the hollow sleeve 311 is provided with a guide groove 317 for the sliding of the limiting shaft 316, the stirring blades 313 are further provided with a plurality of mixing grooves 318 at equal intervals, the mixing grooves 318 are arranged at the position of the stirring blades 313, and the mixing grooves 318 are further provided with a spoiler 319 in a rotating manner, and further, in order to be capable of mixing suspended matters in sewage with flocculating agents in liquid medicine rapidly, the hollow sleeve 311 is further provided with the stirring blades 313 in a fast settling manner, when the hollow sleeve 311 pushes the stirring blades 313 to rotate, the stirring blades 313 are further provided with resistance of water flow, the stirring blades 313 can deflect around the rotating shaft 314, in the advancing process, the stirring blades 313 can be further rotated around the rotating direction around the rotating shaft due to the change of the water flow resistance, the stirring blades 313 can be further rotated with the flocculating agent in a fast rotation direction, and the mixed vortex can be further mixed with the flocculating agent in a fast rotation direction, and the mixed suspended matters in a fast rotation direction can be further mixed with the liquid medicine in a fast rotation direction.

Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

The implementation principle of the sewage treatment sedimentation tank disinfection equipment provided by the embodiment of the invention is as follows:

When the sewage enters the circular reservoir 102 for natural sedimentation, suspended matters are enriched towards the sand accumulation pool 103 under the action of gravity, then when water is slowly and continuously fed, a clear water layer at the top of the reservoir 102 enters a clear water tank in the concrete enclosure 101 through the water seepage tank 106 and is led out through the water drainage pipe 107 to enter a subsequent treatment unit for purification, and the sedimented flocculate, sediment and the like can fall into the sand accumulation pool 103, and then can be discharged outwards through the lower sand opening 104 at the center of the sand accumulation pool 103, so that the sewage is more convenient to discharge, and further in order to facilitate the discharge of the sediments and sediment, when the hollow sleeve 311 pushes the sand accumulation plate 312 to rotate, the sediments and sediment falling in the sand accumulation pool 103 can be pushed, the funnel-shaped structure of the sand accumulation pool 103 gradually gathers towards the lower sand opening 104 at the center and finally discharges, and the sediment accumulation plate 312 is arranged in a bending way from bottom to top, and the sediment can be prevented from drifting upwards when the sediment and the sediment are pushed, and the sediment can be better gathered towards the middle of the sand accumulation pool 103;

In addition, in order to uniformly administrate medicine into the reservoir 102 and ensure flocculation and disinfection effects, when the hollow disc 302 pushes the administration cantilever 303 to rotate, the administration cantilever 303 continuously rotates at the top of the reservoir 102, so that the medicine liquid is uniformly paved on the upper layer of sewage, disinfectant and flocculant in the medicine liquid play a role, on one hand, harmful bacteria in the sewage are killed, on the other hand, flocculation sedimentation can be generated by combining with suspended matters in the water, purification of the sewage can be effectively realized, and when the administration cantilever 303 rotates, the rolling bevel gear 3033 arranged at the end part of the spiral strand Long Gan can mesh and roll on the auxiliary bevel gear 3034, so that the spiral strand 3032 is continuously pushed to rotate, and under the pushing of the spiral strand 3032, the medicine liquid dripped into the channels at the two sides of the guide groove 3031 can be pushed to advance, and the circulation is completed at the position of the communication port 3035, so that the medicine liquid is conveniently and uniformly mixed, and the medicine liquid can be pushed to flow, and meanwhile, the medicine liquid can also drip downwards into the reservoir 102 through the lower medicine groove 3036 to complete administration operation;

Furthermore, in order to mix suspended matters in sewage and flocculating agents in liquid medicine quickly, the hollow sleeve 311 is further provided with a stirring blade 313, when the hollow sleeve 311 pushes the stirring blade 313 to rotate, the stirring blade 313 is further subjected to resistance of water flow, so that the stirring blade 313 can deflect around the rotating shaft 314, and in the advancing process, the stirring blade 313 can swing due to the change of water flow resistance and torsion spring potential energy, at the moment, the spoiler 319 in the mixing groove 318 can rotate due to different resistances, and the sewage can be driven to generate a plurality of irregular eddies while rotating, so that the flocculating agents and the suspended matters collide at high frequency, the suspended matters and the flocculating agents are mixed quickly, and disinfectant in the liquid medicine and sewage can be mixed quickly, so that disinfection is convenient.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The sewage treatment sedimentation tank disinfection equipment is characterized by comprising a sedimentation tank body (1) and a transverse bridge (2) erected on the sedimentation tank body (1), wherein the center of the sedimentation tank body (1) is also provided with a dosing assembly (3);

the sedimentation tank body (1) comprises an outer ring concrete enclosure (101) and an inner ring water storage tank (102), wherein a water cleaning tank is arranged at the top of the concrete enclosure (101), and the water storage tank (102) is arranged in a circular shape, so that sewage is conveniently stored;

The medicine feeding component (3) comprises a central supporting shaft (301), a hollow disc (302) is rotatably sleeved on the supporting shaft (301), medicine feeding cantilevers (303) are symmetrically arranged on two sides of the hollow disc (302) and used for feeding medicine liquid, and the length of the medicine feeding cantilevers (303) is smaller than the radius of the water reservoir (102);

wherein, the inside of the medicine administration cantilever (303) is also provided with a guide groove (3031), the spiral hank Long Gan (3032) is rotationally arranged in the guide groove (3031), the outer port of the guide groove (3031) is opened, a channel for circulating and circulating medicine liquid is reserved between the guide groove (3031) and the two side walls of the medicine administration cantilever (303), the bottom wall of the penetrating channel is also provided with a medicine discharging groove (3036), and a plurality of communication ports (3035) are respectively formed on two sides of the guide groove (3031) close to one end of the supporting shaft (301).

2. The disinfection apparatus for a sewage treatment sedimentation tank as set forth in claim 1, wherein an auxiliary bevel gear (3034) fixedly sleeved on the supporting shaft (301) is further provided inside the hollow disc (302), a rolling bevel gear (3033) is further provided on an end portion of the spiral strand Long Gan (3032) penetrating into the hollow disc (302), and the rolling bevel gear (3033) is meshed with the auxiliary bevel gear (3034).

3. The disinfection equipment for a sewage treatment sedimentation tank according to claim 2, wherein the support shaft (301) is further rotatably sleeved with a gear plate (304), the gear plate (304) is arranged above the hollow disc (302), a plurality of linkage rods (305) are arranged between the gear plate (304) and the hollow disc (302), a support seat (307) is further sleeved on the top end of the support shaft (301), a driving motor is mounted at the bottom of the support seat (307), a driving gear (306) is mounted on an output shaft of the driving motor, and the driving gear (306) is meshed with the gear plate (304).

4. The disinfection apparatus of a sewage treatment sedimentation tank as set forth in claim 1, wherein a drug delivery pipe (309) is further suspended above the drug delivery cantilever (303), a fixing support (308) for fixing and supporting the drug delivery pipe (309) is further installed on the top of the drug delivery cantilever (303), and a drug adding component is arranged on the top of the drug delivery pipe (309) in a butt joint mode.

5. The disinfection apparatus of a sewage treatment sedimentation tank as set forth in claim 4, wherein the dosing unit comprises a circular charging tray (309A), a waterproof bearing (310) is installed on the bottom of the charging tray (309A), a transfer tube is installed in the waterproof bearing (310), and the tops of the two drug delivery tubes (309) are both butted on the transfer tube.

6. A sewage treatment sedimentation tank disinfection apparatus as claimed in claim 4, wherein the dosing means comprises an annularly arranged drug loading vessel (309B), the drug loading vessel (309B) is fixedly mounted on top of two drug delivery pipes (309), and the drug loading vessel (309B) is in communication with the drug delivery pipes (309).

7. The sewage treatment sedimentation tank disinfection equipment according to claim 1, wherein the bottom of the reservoir (102) is further provided with a funnel-shaped sand collecting tank (103), the center of the bottom of the sand collecting tank (103) is provided with a sand discharging port (104), the bottom of the sand discharging port (104) is further provided with a sand discharging pipe (105), the inner wall of the reservoir (102) is further provided with a water seepage tank (106) which is flush with the clean water tank, the outer side of the concrete enclosure (101) is connected with a water discharging pipe (107), and the inner end of the water discharging pipe (107) extends into the clean water tank.

8. The disinfection equipment for a sewage treatment sedimentation tank as set forth in claim 7, wherein the bottom of the hollow disc (302) is further provided with a hollow sleeve (311), the bottom end of the hollow sleeve (311) extends into the sand outlet (104), the hollow sleeve (311) is provided with three sand collecting plates (312) arranged in an annular array, the sand collecting plates (312) are provided with a certain bending from bottom to top, and the bending direction is consistent with the rotation direction of the hollow sleeve (311).

9. The disinfection apparatus of a sewage treatment sedimentation tank as set forth in claim 8, wherein the hollow sleeve (311) is further provided with three stirring blades (313) arranged in a ring-shaped array, the end parts of the stirring blades (313) facing the hollow sleeve (311) are respectively connected with a rotating shaft (314) and a limiting shaft (316), the rotating shaft (314) is arranged above the limiting shaft (316), the rotating shaft (314) is further sleeved with a torsion spring (315), two ends of the torsion spring (315) are respectively connected with the stirring blades (313) and the hollow sleeve (311), and the side surfaces of the hollow sleeve (311) are provided with guide grooves (317) for sliding the limiting shaft (316).

10. The disinfection apparatus of a sewage treatment sedimentation tank as set forth in claim 9, wherein a plurality of mixing grooves (318) are further equidistantly provided on the stirring blade plate (313), the mixing grooves (318) are provided at a position on the stirring blade plate (313) lower than the stirring blade plate, and a spoiler (319) is rotatably installed in the mixing grooves (318).