CN116675383A - A kind of sewage treatment tower and treatment method - Google Patents

Abstract

The invention provides a sewage treatment tower and a treatment method, wherein impurities in sewage are filtered by an impurity recovery mechanism and then flow into an impurity precipitation mechanism, sludge precipitation is carried out in the impurity precipitation mechanism, and separated clean water is purified and disinfected by a purification and disinfection mechanism and then discharged by a clean water discharge spiral pipe; the sludge treatment mechanism can clear and discharge the sludge in the impurity precipitation mechanism, so that the filtered impurities can be discharged rapidly in a non-stop state, the intelligent start-stop can be realized, the sewage treatment tower which can further precipitate and purify the sludge and automatically clear the sludge can be used, the purification efficiency and the purification quality are greatly improved, the problem that the conventional sewage treatment tower is used for filtering the sewage only through a filter disc, the filtered impurities cannot be discharged rapidly in the non-stop state, the intelligent start-stop cannot be realized, and meanwhile, the sedimentation purification treatment function is lacked, and the precipitated sludge cannot be automatically cleared; the technical problems of poor purifying effect and low purifying efficiency are caused.

Description

A kind of sewage treatment tower and treatment method

technical field

The invention relates to the technical field of environmental protection, in particular to a sewage treatment tower and a treatment method.

Background technique

The sewage treatment tower structure is a sewage treatment tower mainly composed of steel materials, which is one of the main types of sewage treatment structures. Generally, the internal sewage treatment unit is designed according to the specific treatment method of sewage, so as to achieve the purpose of rapid sewage treatment. Sewage treatment is the process of purifying sewage to meet the water quality requirements of a certain water body or reuse. Widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical care, catering, etc., and more and more enter the daily life of ordinary people.

As people pay more attention to environmental protection, the proportion of various types of sewage treatment is getting higher and higher. Sewage treatment towers are usually used in the sewage treatment process. Using sewage treatment towers to treat sewage can save space and occupy water. At the same time, water is under its own gravity. Filtration from top to bottom can save energy; for example, the Chinese patent No. 2020205157293 discloses an environmentally friendly sewage treatment tower, which includes: a sewage treatment tower, the inner top of the sewage treatment tower is connected to a sewage treatment tower through a connecting pipe. The nozzle, and the sewage treatment nozzle is located on the axis of the sewage treatment tower, and also includes: a sewage filter plate; there are two sewage filter plates, and the two sewage filter plates are rotatably connected to the inner side of the sewage treatment tower, and the outer frame of the sewage filter plate The bottom and the top of the position are respectively covered with the first annular airbag gasket and the second annular airbag gasket, which can be driven by the servo motor to rotate the sewage filter plate by rotating the sewage filter plate in the sewage treatment tower, so as to realize sewage filtration The disc is turned over, which is convenient for reverse flushing of the sewage filter disc, and automatically cleans the accumulated solid impurities in the sewage filter disc. The structure is simple, the operation is convenient, and the efficiency of sewage treatment is improved;

However, the above-mentioned existing sewage treatment tower only filters the sewage through the filter plate, and it cannot quickly discharge the filtered impurities without stopping the machine, nor can it be started and stopped intelligently. The sludge is automatically cleaned; resulting in poor purification effect and low purification efficiency; therefore, we urgently need to invent a method that can quickly discharge the filtered impurities without stopping the machine, can start and stop intelligently, and can further precipitate and purify and clean automatically. Sludge sewage treatment tower and treatment method to solve the above problems.

Contents of the invention

In view of the above problems, the present invention provides a sewage treatment tower and a treatment method. The sewage is filtered through the impurity recovery mechanism to filter out the impurities in the water and then flows into the impurity precipitation mechanism. After the sludge is deposited in the impurity precipitation mechanism, it is purified and disinfected The mechanism purifies and sterilizes the separated clean water and discharges it through the clear water discharge spiral pipe; the sludge treatment mechanism can clean and discharge the sludge in the impurity precipitation mechanism, thus realizing the rapid discharge of filtered impurities without stopping the machine, and intelligent start and stop , a sewage treatment tower that can further precipitate and purify and automatically clean up sludge, greatly improving the purification efficiency and purification quality.

The technical solution used in the present invention is: a sewage treatment tower and treatment method, including: an impurity recovery mechanism, an impurity precipitation mechanism, a purification and disinfection mechanism, a sludge treatment mechanism, a support base and a console;

The impurity precipitation mechanism is fixedly installed on the top of the support base; the upper part of the purification and disinfection mechanism is connected with the upper part of the impurity precipitation mechanism, and the lower part of the purification and disinfection mechanism is connected with the clean water discharge spiral pipe inside the support base; the sludge The processing mechanism is installed under the sedimentation tank of the impurity precipitation mechanism, and its upper end goes deep into the sedimentation tank; the bottom of the impurity recovery mechanism is installed above the sedimentation tank; the console is installed on the side of the supporting base;

The sewage flows into the impurity precipitation mechanism after the impurities in the water are filtered by the impurity recovery mechanism, and after the sludge is precipitated in the impurity precipitation mechanism, the separated clean water is purified and sterilized by the purification and disinfection mechanism, and then discharged from the clean water discharge spiral pipe; The above sludge treatment mechanism can clean and discharge the sludge in the impurity precipitation mechanism.

Further, the impurity recovery mechanism includes: a sewage inlet, a filter barrel, a filter, a filter sheet, a sewage outlet, an outer barrel and a motor A;

The sewage inlet is set on the top of the filter barrel, and a filter is installed inside the filter barrel; filter sheets are evenly distributed on the rotating shaft of the filter, and a plurality of small holes are arranged on the filter sheet; the filter sheet is divided into upper and lower pieces, and the upper end The filter piece is rotated and installed on the filter piece at the lower end, and the rotating gear is fixed on the filter piece at the upper end; the rotating shaft of the filter is installed on the motor shaft of the motor A; the filter bucket and the motor A are both fixedly installed on the outer bucket, and the lower end of the filter bucket is equipped with a small running water hole; one end of the sewage outlet extends into the filter barrel, and the other end extends out of the outer barrel.

Further, the impurity precipitation mechanism includes: a sedimentation tank, a sediment detection mechanism, a water level detection rod, a sensing rod and a switch mechanism;

The sedimentation tank is fixedly installed on the support base, the sediment detection mechanism is installed on the side of the sedimentation tank; the water level detection rod is slidably installed on the side wall of the sedimentation tank; the sensing rod is slidably installed on the outer barrel, and the upper end of the sensing rod is The rack is engaged with the rotating ratchet of the switch mechanism, and the rotating ratchet drives the cover of the switch mechanism to rotate through the belt transmission mechanism to control the closing of the sewage inlet.

Further, the sediment detection mechanism includes: a motor B, a gear B and a rack detection rod; the motor B is fixedly installed on the side of the sedimentation tank, and the gear B is installed on its motor shaft; the gear B and the rack The rack parts of the detection rods are meshed, and the detection scale part of the detection rod of the rack protrudes into the sedimentation tank and is slidably installed on the inner side wall of the sedimentation tank.

Further, the purification and disinfection mechanism includes: a water outlet, a transmission box, a dosing box, a quantitative box, and a stirring tube;

One end of the water discharge port is slidingly installed on the side wall of the sedimentation tank, and can be adjusted at different heights according to the position of the sedimentation water, and the other end is connected with the ordinary pipeline; the ordinary pipeline extends into the inside of the transmission box, and the box body of the transmission box is fixed and installed On ordinary pipelines, the box body of the quantitative box is fixedly installed on the side of the box body of the transmission box, and the dosing box is installed above the box body of the quantitative box; there is an impact rotating gear inside the transmission box, and a grooved disc is installed inside the quantitative box , the impact rotating gear can drive the grooved disc to rotate intermittently; the bottom of the quantitative box is connected with the ordinary pipeline at the bottom of the transmission box through an ordinary pipeline, and the other end of the ordinary pipeline at the bottom of the transmission box is connected to the stirring tube. The water inlet ends are connected, and the water outlet end of the stirring tube is connected with the clear water discharge spiral pipe.

Further, the sludge treatment mechanism includes: a motor C, a scraper, an arc baffle, a ball and a circular track;

The motor C is fixedly installed on the bottom of the sedimentation tank through the motor base, and its motor shaft extends into the sedimentation tank and is connected with the center of the circular track through a bearing; one end of the scraper is fixedly sleeved on the motor shaft, and the other end is passed through The slider is slidably installed on the circular track; the arc baffle is fixedly installed on the scraper, the ball blocks the sewage outlet at the bottom of the sedimentation tank through the return spring, and the arc baffle can press the ball.

Further, the return spring is made of 65Mn spring steel after quenching treatment.

Because the present invention adopts above-mentioned technical scheme, the present invention has the following advantages:

(1) The present invention filters the impurities in the water through the impurity recovery mechanism through the sewage and then flows into the impurity precipitation mechanism. After the sludge is precipitated in the impurity precipitation mechanism, the separated clean water is purified and sterilized by the purification and disinfection mechanism, and then the clean water is discharged from the spiral The sludge treatment mechanism can clean and discharge the sludge in the impurity precipitation mechanism, so that the filtered impurities can be quickly discharged without stopping the machine, intelligent start and stop, further sedimentation and purification treatment and automatic sludge cleaning The sewage treatment tower greatly improves the purification efficiency and purification quality;

(2) In the present invention, the sewage enters the inside of the filter barrel through the sewage inlet, and the impurities are driven to the position of the sewage outlet through the rotation of the filter. Discharge from the sewage outlet; small balls are installed in the small holes inside the filter, and the balls are rotated by the water flow, so that the drainage holes on the filter will not be blocked by impurities, and have a self-cleaning effect;

(3) The present invention further purifies the water and improves the purification quality by fully dissolving the medicine powder and water; when all the clear water in the sedimentation tank is discharged, the sewage outlet at the lower end is opened, so that all the sludge on the bottom plate is discharged from the sewage outlet Finally, the ball bounces up and blocks the sewage outlet, thus realizing the effect of automatic sludge cleaning and improving the purification efficiency.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the overall structure of the present invention with the support base and the sedimentation tank hidden.

Fig. 3 is a schematic structural diagram of the impurity recovery mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the impurity precipitation mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the sediment detection mechanism of the present invention.

Fig. 6 is a schematic structural view of the purification and disinfection mechanism of the present invention.

Fig. 7 is a schematic structural view of the sludge treatment mechanism of the present invention.

Reference numerals: impurity recovery mechanism-1, impurity precipitation mechanism-2, purification and disinfection mechanism-3, sludge treatment mechanism-4, support base-5, sewage inlet-101, filter barrel-102, filter-103, filter Sheet-104, sewage outlet-105, outer barrel-106, motor A-107, sedimentation tank-201, sediment detection mechanism-202, water level detection rod-203, sensor rod-204, switch mechanism-205, motor B- 2021, gear B-2022, rack detection rod-2023, water outlet-301, transmission box-302, dosing box-303, quantitative box-304, stirring tube-305, motor C-401, scraper-402, Arc baffle-403, ball-404, ring track-405.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can be implemented in many other ways different from those described here, and those skilled in the art can do similar Modifications, and therefore the present invention is not limited to the specific examples disclosed below.

Embodiments, as shown in Figures 1-7, a sewage treatment tower and treatment method, including: an impurity recovery mechanism 1, an impurity precipitation mechanism 2, a purification and disinfection mechanism 3, a sludge treatment mechanism 4, a support base 5 and a console; The impurity precipitation mechanism 2 is fixedly installed on the top of the support base 5; the upper part of the purification and disinfection mechanism 3 is connected with the upper part of the impurity precipitation mechanism 2, and the lower part of the purification and disinfection mechanism 3 is connected with the clean water discharge spiral pipe inside the support base 5; the sludge The processing mechanism 4 is installed below the sedimentation tank 201 of the impurity precipitation mechanism 2, and its upper end goes deep into the sedimentation tank 201; the bottom of the impurity recovery mechanism 1 is installed above the sedimentation tank 201; the console is installed on the side of the support base 5; the console can be artificial The operating mechanism can also be an intelligent electric control mechanism, which controls the electronic control components of each part through the buttons on the console, and these can be set according to actual needs;

The sewage passes through the impurity recovery mechanism 1 to filter out the impurities in the water and then flows into the impurity precipitation mechanism 2. After the sludge is precipitated in the impurity precipitation mechanism 2, the separated clean water is purified and sterilized by the purification and disinfection mechanism 3 and then discharged from the clean water discharge spiral pipe The sludge treatment mechanism 4 can clean and discharge the sludge in the impurity precipitation mechanism 2, thereby realizing the fast discharge of the filtered impurities without stopping the machine, intelligent start and stop, further precipitation and purification treatment and automatic sludge cleaning The sewage treatment tower greatly improves the purification efficiency and purification quality.

Wherein, the impurity recovery mechanism 1 comprises: sewage inlet 101, filter barrel 102, filter 103, filter plate 104, sewage outlet 105, outer bucket 106 and motor A107; sewage inlet 101 is opened at the top of filter barrel 102, and filter barrel 102 rotates inside A filter 103 is installed; filter sheets 104 are evenly distributed on the rotating shaft of the filter 103, and a plurality of small holes are arranged on the filter sheet 104; On the filter sheet 104, the rotating gear is fixed on the filter sheet 104 at the upper end; the rotating shaft of the filter 103 is installed on the motor shaft of the motor A107; the filter barrel 102 and the motor A107 are all fixedly installed on the outer barrel 106, and the lower end of the filter barrel 102 is provided with a running water A small hole; one end of the sewage outlet 105 extends into the filter barrel 102, and the other end stretches out of the outer barrel 106. The sewage enters the inside of the filter barrel 102 through the sewage inlet 101, and the water flows upward from the small hole of the filter sheet 104 to the lower end of the filter barrel 102, and then flows into the outer barrel 106 through the small hole at the lower end of the filter barrel 102; when the motor A107 drives the filter 103 to rotate, it will Drive each filter sheet 104 on the filter 103 to rotate, and the water flows out through the small holes on the filter sheet 104, and the impurities in the water will be left on the filter sheet 104, and the rotation of the filter 103 will drive the impurities to the sewage outlet 105 position, When the filter sheet 104 rotates to the sewage outlet 105 position, the gear on the filter sheet at the upper end of the filter sheet 104 meshes with the teeth on the inside of the filter barrel 102, so that the filter sheet at the upper end of the filter sheet 104 is turned upwards, and the impurities on the filter sheet 104 are removed. Pour it into the sewage outlet 105 and discharge through the sewage outlet 105; small balls are installed in the small holes inside the filter sheet 104, and the small balls are rotated by the water flow, so that the drainage holes on the filter sheet 104 will not be blocked by impurities. to the self-cleaning effect.

In an optional implementation mode in the embodiment of the present invention, as shown in Figure 4-5, the impurity precipitation mechanism 2 includes: a sedimentation tank 201, a sediment detection mechanism 202, a water level detection rod 203, an induction rod 204 and a switch mechanism 205; The pool 201 is fixedly installed on the support base 5, and the sediment detection mechanism 202 is installed on the side of the sedimentation tank 201; the water level detection rod 203 is slidably installed on the side wall of the sedimentation tank 201; The upper end is a rack, which is engaged with the rotating ratchet of the switch mechanism 205, and the rotating ratchet drives the cover of the switch mechanism 205 to rotate through the belt transmission mechanism to control the closing of the sewage inlet 101. The sediment detection mechanism 202 includes: a motor B2021, a gear B2022 and a rack detection rod 2023; the motor B2021 is fixedly installed on the side of the sedimentation tank 201, and the gear B2022 is installed on its motor shaft; the gear B2022 and the rack of the rack detection rod 2023 The parts are meshed, and the detection scale part of the rack detection rod 2023 protrudes into the sedimentation tank 201 and is slidably installed on the inner side wall of the sedimentation tank 201 . The sewage is filtered by the impurity recovery mechanism 1 at the upper end and flows into the sedimentation tank 201 to begin to settle. When the water in the sedimentation tank 201 continues to increase, the rising water level will drive the water level detection rod 203 to move upward. The sensor ball at the lower end of the rod 204 contacts, and the impurity recovery mechanism 1 at the upper end stops working. The upward movement of the water level detection rod 203 pushes the sensor rod 204 to move upward. Rotate, the cover of the switch mechanism 205 is closed through the ratchet rotation transmission, and then the sewage stops entering the mechanism. After the sewage in the sedimentation tank 201 has been settled for a period of time, the motor B2021 with the gear B2022 rotates, and then drives the rack detection rod The 2023 moves up and down to detect the position of the sediment. When water is required, the switch mechanism 205 is manually reset and opened, thereby realizing intelligent sedimentation control.

In an optional implementation mode in the embodiment of the present invention, as shown in Figure 6, the purification and disinfection mechanism 3 includes: a water outlet 301, a transmission box 302, a dosing box 303, a quantitative box 304 and a stirring tube 305; one end of the water outlet 301 Slidingly installed on the side wall of the sedimentation tank 201, it can be adjusted at different heights according to the position of the sedimentation water, and the other end is connected with the ordinary pipeline; the ordinary pipeline extends into the transmission box 302, and the box body of the transmission box 302 is fixed on the ordinary pipeline Above, the box body of quantitative box 304 is fixedly installed on the side of the box body of transmission box 302, and dosing box 303 is installed above the box body of quantitative box 304; Groove disc, the impact rotating gear can drive the groove disc intermittently to rotate; The other end communicates with the water inlet end of the stirring tube 305, and the water outlet end of the stirring tube 305 communicates with the clean water discharge spiral tube. After settling for a certain period of time, the sludge will be separated from the clean water, and the clean water will be discharged through the ordinary pipeline through the water outlet 301. The pipe enters the inside of the transmission box 302, and the water flow will drive the gears inside the transmission box 302 to rotate, and the rotation of the gears on the transmission box 302 will drive the rotation of the disc with a certain number of grooves in the quantitative box 304, and the number of grooves controls the use When the groove is rotated to the top, the medicine powder in the dosing box 303 will enter the inside of the quantitative box 304 through the groove, and when it is turned to the bottom, the powder will slide into the pipeline from the bottom of the quantitative box 304 due to gravity , and blend with the water flowing out from the transmission box 302, when the flowing water passes through the stirring tube 305, the powder and water are fully dissolved through the threaded pipe inside the stirring tube 305, thereby further purifying the water and improving the purification quality.

In an optional implementation in the embodiment of the present invention, as shown in Figure 7, the sludge treatment mechanism 4 includes: a motor C401, a scraper 402, an arc baffle 403, a ball 404 and a circular track 405; the motor C401 passes The motor seat is fixedly installed at the bottom of the sedimentation tank 201, and its motor shaft extends into the sedimentation tank 201 and is connected with the center of the circular track 405 through a bearing; one end of the scraper 402 is fixedly sleeved on the motor shaft, and the other end slides through a slider Installed on the ring track 405; the arc baffle 403 is fixedly installed on the scraper 402, the ball 404 blocks the sewage outlet at the bottom of the sedimentation tank 201 through the return spring, and the arc baffle 403 can press the ball 404; reset The spring is made of 65Mn spring steel after quenching treatment, which can effectively provide service life. When all the clean water in the sedimentation tank 201 is discharged, the motor C401 starts to make the scraper 402 fixed on the motor shaft rotate simultaneously, and the scraper 402 pushes and rotates the sludge at the bottom. Three positions, the front end of the arc baffle 403 fixedly installed on the scraper 402 is in contact with the ball 404, and the ball 404 is pressed to open the sewage outlet at the lower end, the motor C401 continues to rotate, and then drives the scraper 402 to continue Rotate, after the sludge of base plate is all discharged from the sewage outlet, after the motor C401 reverse rotation makes the scraper 402 return, the spring at the lower end of the ball 404 makes 404 bounce upwards and then the sewage outlet is blocked. Thereby, the effect of automatic sludge cleaning is realized, and the purification efficiency is improved.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "front", "back", "left", "right" etc. are based on the Orientation or positional relationship, or the orientation or positional relationship that the inventive product is usually placed in use, is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

Claims (7)

1. A sewage treatment tower and treatment method, characterized in that it includes: an impurity recovery mechanism (1), an impurity precipitation mechanism (2), a purification and disinfection mechanism (3), a sludge treatment mechanism (4), a support base (5 ) and console; The impurity precipitation mechanism (2) is fixedly installed on the top of the support base (5); the upper part of the purification and disinfection mechanism (3) is connected with the upper part of the impurity precipitation mechanism (2), and the lower part of the purification and disinfection mechanism (3) is connected with the The clear water discharge spiral pipe inside the support base (5) is connected; the sludge treatment mechanism (4) is installed under the sedimentation tank (201) of the impurity sedimentation mechanism (2), and its upper end goes deep into the sedimentation tank (201); The bottom of the impurity recovery mechanism (1) is installed above the sedimentation tank (201); the console is installed on the side of the support base (5); The sewage passes through the impurity recovery mechanism (1) to filter out the impurities in the water and then flows into the impurity precipitation mechanism (2). After the sludge is precipitated in the impurity precipitation mechanism (2), the separated sewage After the clean water is purified and sterilized, it is discharged through the clean water discharge spiral pipe; the sludge treatment mechanism (4) can clean and discharge the sludge in the impurity precipitation mechanism (2). 2. A sewage treatment tower and treatment method according to claim 1, characterized in that the impurity recovery mechanism (1) includes: sewage inlet (101), filter barrel (102), filter (103), filter sheet (104), sewage outlet (105), outer barrel (106) and motor A (107); The sewage inlet (101) is set on the top of the filter barrel (102), and a filter (103) is installed inside the filter barrel (102); the filter (104) is evenly distributed on the rotating shaft of the filter (103), and the filter The sheet (104) is provided with a plurality of small holes; the filter sheet (104) is divided into upper and lower pieces, the upper filter sheet (104) is rotated and installed on the lower filter sheet (104), and the upper filter sheet (104) is The rotating gear is fixed; the rotating shaft of the filter (103) is installed on the motor shaft of the motor A (107); the filter barrel (102) and the motor A (107) are all fixedly installed on the outer barrel (106), and the filter barrel (102) lower end There are small holes for flowing water; one end of the sewage outlet (105) extends into the filter barrel (102), and the other end extends out of the outer barrel (106). 3. A sewage treatment tower and treatment method according to claim 2, characterized in that the impurity precipitation mechanism (2) includes: a sedimentation tank (201), a sediment detection mechanism (202), a water level detection rod ( 203), induction rod (204) and switch mechanism (205); The sedimentation tank (201) is fixedly installed on the support base (5), the sediment detection mechanism (202) is installed on the side of the sedimentation tank (201); the water level detection rod (203) is slidably installed on the sedimentation tank (201) Side wall; the induction rod (204) is slidably installed on the outer barrel (106), and the upper end of the induction rod (204) is a rack, which meshes with the rotating ratchet of the switch mechanism (205), and the rotating ratchet is driven by a belt The mechanism drives the cover of the switch mechanism (205) to rotate to control the closing of the sewage inlet (101). 4. A sewage treatment tower and treatment method according to claim 3, characterized in that, the sediment detection mechanism (202) includes: motor B (2021), gear B (2022) and rack detection rod ( 2023); the motor B (2021) is fixedly installed on the side of the sedimentation tank (201), and the gear B (2022) is installed on its motor shaft; the gear B (2022) and the gear of the rack detection rod (2023) The bar parts are meshed, and the detection scale part of the rack detection rod (2023) protrudes into the sedimentation tank (201) and is slidably installed on the inner side wall of the sedimentation tank (201). 5. A sewage treatment tower and treatment method according to any one of claims 1-4, characterized in that the purification and disinfection mechanism (3) includes: a water outlet (301), a transmission box (302) , dosing box (303), quantitative box (304) and stirring tube (305); One end of the water discharge port (301) is slidably installed on the side wall of the sedimentation tank (201), and can be adjusted at different heights according to the position of the sedimentation water, and the other end is connected with a common pipe; the common pipe extends into the transmission box (302) Inside, the box body of the transmission box (302) is fixedly installed on the ordinary pipeline, the box body of the quantitative box (304) is fixedly installed on the side of the box body of the transmission box (302), and the dosing box (303) is installed on the quantitative box (304 ) above the casing; the inside of the transmission box (302) is provided with an impact rotating gear, and the inside of the quantitative box (304) is provided with a grooved disk, and the impact rotating gear can drive the grooved disk to rotate intermittently; the box of the quantitative box (304) The bottom of the body is connected with the ordinary pipe at the bottom of the transmission case (302) through the ordinary pipe, and the other end of the ordinary pipe at the bottom of the case of the transmission case (302) is connected with the water inlet end of the stirring pipe (305), and the stirring pipe The water outlet end of (305) communicates with the clear water discharge spiral pipe. 6. A sewage treatment tower and treatment method according to claim 5, characterized in that, the sludge treatment mechanism (4) includes: a motor C (401), a scraper (402), an arc baffle ( 403), spherical ball (404) and circular track (405); The motor C (401) is fixedly installed on the bottom of the sedimentation tank (201) through the motor base, and its motor shaft extends into the sedimentation tank (201) and is connected with the center of the circular track (405) through a bearing; the scraper (402) One end is fixedly sleeved on the motor shaft, and the other end is slidably installed on the circular track (405) through a slider; the arc baffle (403) is fixedly installed on the scraper (402), and the ball (404) The sewage outlet at the bottom of the sedimentation tank (201) is blocked by the return spring, and the arc baffle (403) can press the ball (404). 7. A sewage treatment tower and treatment method according to claim 6, characterized in that the return spring is made of 65Mn spring steel after quenching treatment.