CN116081790A - Sewage treatment device - Google Patents

Abstract

The invention relates to the technical field of sewage treatment, and provides a sewage treatment device which is reasonable in structural design, easy to operate and capable of automatically cleaning the inner wall of a reaction barrel, and comprises a horizontally placed reaction barrel body and a support for supporting the reaction barrel body, wherein a port is formed in the front end of the reaction barrel body, an end cover for sealing the port is arranged in the port, a scraping plate is arranged in the reaction barrel body, a first driving mechanism is arranged on the end cover, a stirring mechanism for stirring a precipitation reagent to enable the precipitation reagent to be fully mixed with a water body to accelerate the precipitation reaction speed and for keeping the water body in a flowing state to prevent the sediment from adhering to the water body so as to be convenient for discharging the sediment along a water outlet, a pretreatment mechanism for removing impurities in the water body before the water body enters the reaction barrel body is arranged on the water inlet, a filtering mechanism for filtering the precipitated sediment is arranged on the water outlet, and a feedback mechanism is arranged on the inner wall of the reaction barrel body.

Description

A sewage treatment device

technical field

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

Background technique

Sewage treatment is the process of purifying sewage to meet the water quality requirements of being discharged into a certain water body or reused. It is widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, and catering. , the correct treatment of sewage can ensure the safety of water for urban residents, and also avoid the impact and harm of sewage on the city's image and appearance environment. city development.

In the process of sewage treatment, it is necessary to use a sewage treatment device to treat the sewage. By adding a precipitant to the reaction tank, the precipitated impurities in the sewage can be precipitated and decomposed. The decomposed precipitated impurities have certain adhesion and are easy to attach to the reaction tank. The inner wall of the barrel has accumulated a thick layer of dirt in the reaction barrel over time, and the reaction barrel is inconvenient to disassemble after assembly, and there is no way to manually clean up the dirt inside.

In order to solve the above problems and facilitate the automatic cleaning of the inner wall of the reaction barrel, this case arose.

Contents of the invention

Therefore, in view of the above problems, the present invention proposes a sewage treatment device with reasonable structural design, simple operation, and automatic cleaning of the inner wall of the reaction tank.

In order to solve the above-mentioned technical problems, the solution adopted by the present invention is: a sewage treatment device, comprising a horizontally placed reaction barrel body, a support for supporting the reaction barrel body, and a water supply body is provided on one side of the reaction barrel body The upper end of the water inlet is provided with a drop-in port for injecting precipitation agents, and the lower end is provided with a water outlet for the water body to flow out. The water outlet is provided with a control valve for controlling the discharge of the water body, and the front end of the reaction barrel body is provided with a port. , the port is provided with an end cover for sealing the port, and at least one scraper for scraping the scale attached to the inner wall of the reaction tank is provided inside the reaction barrel body, and the end cover is provided with a device for driving the The scraper rotates along the inner wall of the reaction tank to scrape off the scale attached to the inner wall. The reaction tank body is provided with a stirring precipitation agent to fully mix with the water body to speed up the precipitation reaction speed. The water body maintains a flowing state to avoid sediment adhesion and facilitates the sediment to be discharged along the water outlet. The water inlet is provided with a pretreatment mechanism for removing impurities in the water body before the water body enters the reaction tank body. The water outlet A filter mechanism for filtering the precipitated sediment is provided on the top, and a feedback mechanism for feedback of scale adhesion on the inner wall of the reaction barrel body is provided on the inner wall of the reaction barrel body to judge whether manual cleaning is required.

A further improvement is that: the first drive mechanism includes a rotating disk, a rotating opening is opened on the end cover, the rotating disk is arranged in the rotating opening in a sealed manner, and one end of the scraper is arranged on the rotating disk Above, the reaction barrel is provided with a driving device for driving the rotating disk to drive the scraper to rotate and scrape off scale.

A further improvement is that: the driving device includes a first motor, a transmission gear, and an external gear ring, the external gear ring is rotatably sleeved on the outer wall of the reaction barrel body, and the connection between the external gear ring and the rotating disk There is at least one synchronous rod used for the outer gear ring to drive the rotating disk to rotate synchronously. The housing of the first motor is fixed on the body of the reaction barrel, and the transmission gear is fixedly sleeved on the first On the rotating shaft of the motor, the transmission gear is engaged with the external gear ring for transmission.

It is further improved that: the stirring mechanism includes a stirring frame arranged inside the reaction barrel along the axial direction of the reaction barrel body, and one end of the stirring frame is sealed and slidable and rotatably arranged on the end of the reaction barrel body away from the end cover Above, the reaction barrel body is provided with a rotating drive device that drives the stirring frame to rotate and stir the precipitation agent, and a rotating drive device for driving the stirring frame to slide along the axial direction so that the stirring frame is in an active state to reduce scale adhesion on the stirring frame. Move the drive unit.

A further improvement is that: the rotation driving device includes a second motor, and one end of the stirring frame is sealed and slidable and rotates through the reaction barrel body and is fixedly arranged on the rotating shaft of the second motor.

A further improvement is: the sliding drive device includes a base and a sliding seat, the sliding seat is reciprocally slidable and arranged on the base along the axial direction of the stirring frame, and the housing of the second motor is fixed on the On the sliding seat, a sliding assembly for driving the sliding seat to reciprocate is arranged between the base and the sliding seat.

A further improvement is: the sliding assembly includes an L-shaped swing rod and a connecting rod, the lower end of the L-shaped swing rod is rotatably arranged on the base, and one end of the connecting rod is arranged on the sliding seat, The other end is arranged on the upper end of the L-shaped swing rod, and the lower end of the L-shaped swing rod is provided with a drive slot along the vertical axis, and an L-shaped drive rod is movably arranged in the drive slot. There is a third motor for driving the L-shaped driving rod to rotate eccentrically to drive the L-shaped swing rod to swing back and forth to drive the stirring frame to slide. The housing of the third motor is fixed on the base, and the L-shaped One end of the driving rod is fixedly arranged on the rotating shaft of the third motor, and the other end is movably installed in the driving slot.

It is further improved that: the pretreatment mechanism includes a pretreatment pool, the water inlet of the pretreatment pool is provided with a pretreatment water inlet, and the water outlet is provided with a pretreatment water outlet, and the water outlet is provided with a The water body is pumped into the first water pump inside the reaction barrel body, the water inlet end of the first water pump is connected with the water outlet of the pretreatment, the water outlet end of the first water pump is connected with the water inlet, the In the pretreatment tank, there are detachable membranes for filtering sewage, grids for blocking flocs at the water inlet of the membranes, and grids for absorbing sewage between the membranes and grids. The particulate impurity in the sewage prevents the impurity in the sewage from clogging the diaphragm and affecting the adsorption bracket of the water. The adsorption bracket is evenly distributed with adsorption holes that actively adsorb the particulate impurities through material characteristics.

A further improvement is: the filter mechanism includes a filter tank, a drain pipe is arranged between the filter tank and the water outlet, one end of the drain pipe is fixedly connected to the water outlet, and the other end is detachable and engaged On the filter tank, the upper end of the filter tank is detachably provided with a filter screen for filtering the settled water discharged from the drain pipe, and a drain port is opened on the lower end of the filter tank, and the drain port is connected with a useful The second water pump used to discharge the water body in the filter tank.

It is further improved that: the feedback mechanism includes a T-shaped chute and a feedback piece, the T-shaped chute is located at the position of the insertion port and is circumferentially opened on the inner wall of the reaction barrel body, and the T-shaped chute The upper port is connected with the insertion port, the shape of the feedback piece is adapted to the shape of the T-shaped chute and can be slidably arranged in the T-shaped chute, and the inner surface of the feedback piece is in contact with the shape of the T-shaped chute. The inner wall of the reaction channel body is flush, and the upper end of the feedback sheet is provided with a drag hole for tools to hook and drag the feedback sheet out of the feeding port for observation.

By adopting the aforementioned technical scheme, the beneficial effects of the present invention are:

1. In this case, a scraper is installed in the reaction barrel to automatically scrape and clean the inside of the reaction barrel, eliminating the need for manual labor. The scraper can work in real time with the reaction barrel, effectively keeping the inside of the reaction barrel clean and improving the treatment of sewage quality.

2. The sewage first passes through the grid and the adsorption bracket to avoid the clogging of the device caused by the flocs and impurities of the sewage adhering to the surface of the diaphragm, thereby improving the working stability of the pretreatment mechanism.

3. The stirring frame set by rotating and sliding has two stirring directions, radial and axial, which expands the effective range of the stirring frame and improves the mixing uniformity of the sedimentation agent in the sewage, thereby improving the quality of sewage treatment. The axial sliding drives the stem of the stirring frame to interact with the water body all the time during the reciprocating motion, shaking off the dirt on the stem.

4. Compared with the dark environment inside the reaction barrel body, drag the feedback sheet out of the reaction barrel body 10 and use natural light to clearly see the scale adhesion, and the feedback is transparent, which can more intuitively judge whether it needs to be cleaned Reactor body.

Description of drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a sewage treatment device according to an embodiment of the present invention.

Fig. 2 is an exploded view of the structure of a sewage treatment device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a pretreatment mechanism in a sewage treatment device according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of the installation structure of a stirring frame and a reaction tank body in a sewage treatment device according to an embodiment of the present invention.

Fig. 5 is a structural schematic diagram of a feedback mechanism in a sewage treatment device according to an embodiment of the present invention.

Fig. 6 is a schematic cross-sectional structure diagram of a feedback mechanism in a sewage treatment device according to an embodiment of the present invention.

Implementation

The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

Referring to Figures 1 to 6, the embodiment of the present invention discloses a sewage treatment device, including a horizontally placed reaction barrel body 10, a support 11 for supporting the reaction barrel body 10, and one side of the reaction barrel body 10 The upper end is provided with a water inlet 14 for the water body to enter, the upper end is provided with a discharge port 12 for injecting precipitation agents, and the lower end is provided with a water outlet 13 for the water supply body to flow out. The control valve for water discharge, the front end of the reaction barrel body 10 is provided with a port, and the port is internally threaded or welded to be provided with an end cap 15 for sealing the port, and the inside of the reaction barrel body 10 is provided with four scrapers for scraping. In addition to the scraper 16 attached to the inner wall of the reaction tank, the end cover 15 is provided with a first drive mechanism for driving the scraper 16 to rotate along the inner wall of the reaction tank to scrape off the scale attached to the inner wall. The reaction barrel body 10 is provided with a stirring mechanism for stirring the precipitation agent to fully mix with the water body to speed up the precipitation reaction speed, and for keeping the water body in a flowing state to avoid sediment adhesion and facilitate the discharge of the sediment along the water outlet 13. The water outlet 14 is provided with a pretreatment mechanism for removing impurities in the water body before the water body enters the inside of the reaction barrel body 10, and the water outlet 13 is provided with a filter mechanism for filtering the sediment after precipitation, and the reaction barrel The inner wall of the main body is provided with a feedback mechanism for feedbacking the scale adhesion on the inner wall of the reaction barrel to judge whether manual cleaning is required.

The first driving mechanism includes a rotating disk 17, a rotating opening is opened on the end cover 15, and the rotating disk 17 is sealed and rotated in the rotating opening, and at least A sealing groove, a rubber sealing ring is arranged in the sealing groove, one end of the scraper 16 is welded on the edge of the rotating disk 17, and one side of the scraper 16 is attached to the inner wall of the reaction barrel body 10 , the reaction barrel is provided with a driving device for driving the rotating disk 17 to drive the scraper 16 to rotate and scrape off scale. The driving device includes a first motor 18, a transmission gear 19, and an external gear ring 20. The housing of the first motor 18 is fixedly arranged on the upper end of the outer wall of the reaction barrel body 10, and the first motor 18 rotates at a low speed. The motor avoids high-speed rotation from breaking the sediment and affecting the subsequent filtration. Specifically, it can be a gear reduction motor, an electromagnetic reduction motor, a torque motor, and a synchronous motor. The outer gear ring 20 is rotatably sleeved on the outer wall of the reaction barrel body 10 Above, two synchronous rods 21 are arranged symmetrically between the outer gear ring 20 and the rotating disc 17 for the outer gear ring 20 to drive the rotating disc 17 to rotate synchronously. One end of the synchronizing rod 21 is welded and fixed on the On the end surface of the rotating disk 17, the other end is arranged on the side wall of the outer gear ring 20, the housing of the first motor 18 is fixedly arranged on the reaction barrel body 10, and the transmission gear 19 is fixedly sleeved on the On the rotating shaft of the first motor 18, the transmission gear 19 is meshed with the external gear ring 20 for transmission, and the first motor 18 and the transmission gear 19 are covered with a protective cover 22. The first motor 18 drives the transmission gear 19 to drive the outer gear ring 20 to rotate, and the outer gear ring 20 drives the rotating disc 17 to rotate through the synchronous rod 21, and the rotating disc 17 drives the scraper 16 to scrape the inner wall of the reaction barrel body 10 to remove scale and sediment attached to it. scrape off.

Described agitating mechanism comprises the stirring frame 23 that is arranged in reaction barrel inside along reaction barrel body 10 axial directions, and described stirring frame 23 comprises trunk, is vertically arranged on the branch on the trunk, and one end of described stirring frame 23 is that the end of trunk is sealed It can be slidably and rotatably arranged on the end of the reaction barrel body 10 away from the end cover 15, and the reaction barrel body 10 is provided with a rotating drive device for driving the stirring frame 23 to rotate and stir the precipitation medicine and for driving The sliding movement of the stirring frame 23 in the axial direction keeps the stirring frame 23 in an active state and reduces the scale to be attached to the sliding drive device on the stirring frame 23 .

The rotating drive device includes a second motor 24, which is a low-speed rotating motor to prevent high-speed rotation from crushing the sediment and affecting subsequent filtration. Specifically, it can be a gear reduction motor, an electromagnetic reduction motor, a torque motor and a synchronous motor. etc., one end of the stirring frame 23 is sealed, slidable, and rotatable to pass through the reaction barrel body 10 and is fixedly arranged on the rotating shaft of the second motor 24, and one end of the stirring frame is provided on the reaction barrel. The sliding and rotating opening passing through, the sliding and rotating opening is fixedly provided with a sliding sleeve 9 by welding, the sliding sleeve is located on one end surface inside the reaction barrel body and is provided with a sealing groove, and the sealing groove is provided with Y-shaped sealing ring 8, one side of the Y-shaped sealing ring 8 is close to the stirring frame, at least one sealing groove is provided on the inner wall of the sliding sleeve, and a rubber sealing ring 7 is arranged in the sealing groove, and the sealing groove is provided with a rubber sealing ring 7. The rubber sealing ring is pressed against the surface of the mixing rack. The sliding driving device includes a base 25 and a sliding seat 26, and the sliding seat 26 is reciprocally slidably arranged on the base 25 along the axial direction of the stirring frame 23, and the base 25 is provided with a chute 27, The sliding block 26 is provided with a slide block 28 matched with the chute 27, the housing of the second motor 24 is fixedly arranged on the sliding seat 26, and the base 25 and the sliding seat A sliding assembly for driving the sliding seat 26 to slide back and forth is arranged between 26 .

The sliding assembly includes an L-shaped swing rod 29 and a connecting rod 30, the lower end of the L-shaped swing rod 29 is rotatably arranged on the base 25, and one end of the connecting rod 30 is fixedly arranged on the sliding seat 26 The other end is fixed on the upper end of the L-shaped swing rod 29, and the lower end of the L-shaped swing rod 29 is provided with a drive slot 31 along the vertical axis, and an L-shaped drive slot 31 is movably arranged in the drive slot 31. Rod 36, the base 25 is provided with a third motor 32 for driving the L-shaped drive rod 36 to rotate eccentrically to drive the L-shaped swing rod 29 to swing back and forth to drive the stirring frame 23 to slide, and the third motor 32 can be gear reduction motor, electromagnetic reduction motor, torque motor, synchronous motor, hollow rotary platform, motor, etc., the housing of the third motor 32 is fixedly arranged on the base 25, and one end of the L-shaped driving rod 36 is fixedly arranged On the rotating shaft of the third motor 32 , the other end is movably passed through the driving groove 31 . The rotation of the third motor 32 drives the L-shaped driving rod 36 to rotate, the rotation of the L-shaped driving rod 36 drives the L-shaped driving rod 36 to swing back and forth, and the reciprocating swing of the L-shaped driving rod 36 drives the sliding seat 26 to drive the stirring frame 23 to slide back and forth.

Described pretreatment mechanism comprises pretreatment tank 33, is provided with pretreatment water inlet 34 on the water inlet end of described pretreatment tank 33, is provided with pretreatment water outlet 35 on the water outlet end, and described pretreatment water outlet 35 places are provided with There is a first water pump for pumping water into the inside of the reaction barrel body 10, the water inlet end of the first water pump is connected with the pretreatment water outlet 35, and the water outlet end of the first water pump is connected with the water inlet 14 In the pretreatment pool 33, a diaphragm 37 for filtering sewage, a grid 38 for blocking flocs arranged at the water inlet end of the diaphragm 37, and a grid 38 located at the water inlet end of the diaphragm 37 are respectively detachable in the pretreatment pool 33. Set between the grid 38 and the adsorption support 39 for absorbing particulate impurities in the sewage to prevent the impurities in the sewage from clogging the diaphragm 37 and affecting the water passing. The adsorption support 39 includes an outer frame, and several vertically arranged in the outer frame. The main trunk and several poles vertically arranged on the trunk, the material of the adsorption support 39 is porous adsorption materials such as ceramic active carbon and carbon, and the adsorption support for actively adsorbing particulate impurities through material characteristics is evenly distributed on the adsorption support 39. hole. The two inner walls of the pretreatment pool 33 parallel to the water flow direction are vertically provided with installation grooves 40, and the grid 38, the diaphragm 37, and the side edges of the outer frame are respectively provided with installation grooves that fit with the installation grooves 40. Article 41.

The filter mechanism includes a filter pool 42, a drain pipe 43 is arranged between the filter pool 42 and the water outlet 13, and one end of the drain pipe 43 is fixedly connected to the water outlet end of the control valve on the water outlet 13 , the other end is detachably mounted on the filter pool 42, and the filter pool 42 is provided with a bayonet for the drain pipe 43 to be snapped into and fixed. By adjusting the matching position of the drain pipe 43 and the bayonet Adjust the injection position of the water body sprayed out in the drainpipe 43, and the upper end of the filter pool 42 is detachably provided with a filter screen 44 for filtering the water body after the precipitation of the drainpipe 43 discharge, and the inner wall of the filter pool 42 faces The inner protrusion is provided with an installation boss, and the filter screen 44 is placed on the installation boss, and the lower end of the filter pool 42 is provided with a drain, and the drain is connected to the water body in the filter pool 42. Discharged by the second water pump 45 . The water body in the reaction barrel body 10 is discharged to the filter tank 42 through the control valve, the water body passes through the filter screen 44 to filter out the sediment, and then is transported to the next water treatment device by the second water pump 45 .

The feedback mechanism includes a T-shaped chute 46 and a feedback piece 47. The feedback piece 47 is a transparent plastic sheet that can be bent and deformed. On the inner wall of the reaction barrel body 10, the upper port of the T-shaped chute 46 communicates with the insertion port 12, and the shape of the feedback piece 47 is adapted to the shape of the T-shaped chute 46 and can be slidably arranged on the In the T-shaped chute 46, the inner surface of the feedback piece 47 is flush with the inner wall of the reaction channel body 10, and the upper end of the feedback piece 47 is provided with a tool for hooking the feedback piece 47 out of the feeding port. 12. The dragging hole 48 for external observation. Scraper 16 can only reduce the amount of dirt attached to the inner wall to prolong the cycle of manual cleaning, and the reaction barrel body 10 must be cleaned after long-term use. The feedback sheet 47 is installed on the inner wall of the reaction barrel body 10 to form a whole with the inner wall of the reaction barrel. The scraper 16 will also act on the feedback sheet 47. The scale adhesion on the feedback sheet 47 is basically the same as the inner wall of the reaction barrel body 10. Pull out the feedback piece 47 to judge whether the interior of the reaction barrel body 10 needs to be cleaned. After observing the feedback piece 47, you can push the feedback piece to slide back into the T-shaped chute 46 along the T-shaped chute 46 . Compared with the dark environment inside the reaction barrel body 10, dragging the feedback sheet 47 out of the reaction barrel body 10 with the help of natural light can clearly see the scale adhesion, and the feedback 47 is transparent, so it can be more intuitively judged whether it is necessary Clean the reaction barrel body 10.

A method for using a sewage treatment device: the sewage first enters the pretreatment pool 33, and the set grid is used to block the flocs in the sewage, and at the same time, the particulate matter in the sewage is adsorbed through the adsorption holes on the adsorption bracket 39. The sewage flowing into the pretreatment tank 33 is pretreated. The pretreated sewage flows into the interior of the reaction tank body 10, and the sedimentation agent is injected inward through the inlet 12, and the sewage is stirred by the stirring frame 23 so that the precipitation agent is quickly and fully mixed in the sewage in the reaction tank, improving Wastewater treatment efficiency. The first motor 18 drives the scraper 16 to scrape off the sediment and scale attached to the inner wall of the reaction barrel to keep the inside of the reaction barrel clean. The third motor 32 drives the stirring frame 23 to reciprocate and slide inside the reaction barrel body 10, increasing the stirring direction of the stirring frame 23 to improve the stirring efficiency, and also avoiding excessive adhesion of scale and sediment on the stirring frame 23. The sewage after the sedimentation reaction is discharged to the filter tank 42 through the control valve, and the sediment is filtered through the filter screen 44 , and the filtered water is transported to the next water treatment device through the second water pump 45 .

The basic principles and main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. What described in the above-mentioned embodiments and explanations is to illustrate the principles of the present invention. Under the premise of not departing from the spirit and scope of the present invention, the present invention also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention, and the claimed protection scope of the present invention is defined by the appended claims and its equivalents.

Claims (10)

1. A sewage treatment device, comprising a horizontally placed reaction tank body, a support for supporting the reaction tank body, one side of the reaction tank body is provided with a water inlet for water supply, and the upper end is provided with a sedimentation agent The lower end of the input port and the lower end are provided with a water outlet for the water body to flow out. The water outlet is provided with a control valve for controlling the discharge of the water body. It is characterized in that: the front end of the reaction barrel body is provided with a port, and the port is provided with a The end cover of the sealing port, the inside of the reaction barrel body is provided with at least one scraper for scraping off the scale attached to the inner wall of the reaction barrel, and the end cover is provided with a scraper for driving the scraper along the inner wall of the reaction barrel Rotate the first drive mechanism to scrape off the scale attached to the inner wall. The reaction tank body is equipped with a device for stirring the precipitation agent to fully mix with the water body to speed up the precipitation reaction speed, and to keep the water body in a flowing state to avoid sediment adhesion. A stirring mechanism that facilitates the discharge of sediment along the water outlet. The water inlet is provided with a pretreatment mechanism for removing impurities in the water body before the water enters the interior of the reaction tank body. A filtering mechanism for filtering sediment, the inner wall of the reaction barrel body is provided with a feedback mechanism for feedbacking the scale adhesion on the inner wall of the reaction barrel body to judge whether manual cleaning is required. 2. A sewage treatment device according to claim 1, characterized in that: the first driving mechanism includes a rotating disk, the end cover is provided with a rotating opening, and the rotating disk is sealed and rotated on the rotating disk. In the opening, one end of the scraper is arranged on the rotating disk, and the reaction barrel is provided with a driving device for driving the rotating disk to drive the scraper to rotate and scrape off scale. 3. A sewage treatment device according to claim 2, characterized in that: the driving device includes a first motor, a transmission gear, and an external gear ring, and the external gear ring is rotatably sleeved on the reaction barrel body On the outer wall, at least one synchronous rod is provided between the outer gear ring and the rotating disc for the outer gear ring to drive the rotating disc to rotate synchronously, and the housing of the first motor is fixedly arranged on the reaction barrel body Above, the transmission gear is fixedly sleeved on the rotating shaft of the first motor, and the transmission gear is meshed with the external gear ring for transmission. 4. A sewage treatment device according to claim 1, characterized in that: the stirring mechanism includes a stirring frame arranged inside the reaction barrel along the axial direction of the reaction barrel body, and one end of the stirring frame is sealed and can be slid and rotated. On the end of the reaction barrel body away from the end cover, the reaction barrel body is provided with a rotating drive device for driving the stirring frame to rotate and stir the precipitation medicine, and for driving the stirring frame to slide in the axial direction so that The agitator frame is active with a slip drive that reduces scale build-up on the agitator frame. 5. A sewage treatment device according to claim 4, characterized in that: the rotation driving device includes a second motor, and one end of the stirring frame is sealed and can slide and rotate to pass through the reaction barrel body and is fixedly arranged on the on the rotating shaft of the second motor. 6. A sewage treatment device according to claim 5, wherein the sliding drive device includes a base and a sliding seat, and the sliding seat can reciprocally slide along the axial direction of the stirring frame and is arranged on On the base, the casing of the second motor is fixedly arranged on the sliding seat, and a sliding assembly for driving the sliding seat to reciprocate is arranged between the base and the sliding seat. 7. A sewage treatment device according to claim 6, wherein the sliding assembly includes an L-shaped swing rod and a connecting rod, and the lower end of the L-shaped swing rod is rotatably arranged on the base, One end of the connecting rod is arranged on the sliding seat, and the other end is arranged on the upper end of the L-shaped swing rod, and the lower end of the L-shaped swing rod is provided with a drive groove upward along the vertical axis, and the drive groove An L-shaped drive rod is provided for the inner activity, and the base is provided with a third motor for driving the L-shaped drive rod to rotate eccentrically to drive the L-shaped swing rod to swing back and forth to drive the stirring frame to slide. The body is fixedly arranged on the base, one end of the L-shaped driving rod is fixedly arranged on the rotating shaft of the third motor, and the other end is movably installed in the driving slot. 8. A kind of sewage treatment device according to claim 1, characterized in that: the pretreatment mechanism comprises a pretreatment tank, the water inlet of the pretreatment tank is provided with a pretreatment water inlet, and the water outlet is provided with a There is a pretreatment water outlet, the water outlet is provided with a first water pump for pumping water into the reaction tank body, the water inlet end of the first water pump is connected with the pretreatment water outlet, and the first The water outlet end of the water pump is connected with the water inlet, and the diaphragm for filtering sewage and the grid for blocking the flocs are installed at the water inlet end of the diaphragm respectively in the pretreatment tank. 1. An adsorption support set between the diaphragm and the grid for absorbing particulate impurities in the sewage to prevent the impurities in the sewage from clogging the diaphragm and affecting the flow of water. The adsorption support is evenly distributed on the adsorption support that actively absorbs particulate impurities through material characteristics. hole. 9. A sewage treatment device according to claim 1, characterized in that: the filter mechanism includes a filter tank, a drain pipe is arranged between the filter tank and the water outlet, and one end of the drain pipe is fixedly connected At the water outlet, the other end is detachably mounted on the filter tank, and the upper end of the filter tank is detachably provided with a filter screen for filtering the settled water discharged from the drain pipe. The lower end of the filter tank is A drain is opened on the end, and a second water pump for discharging the water in the filter tank is connected to the drain. 10. A sewage treatment device according to claim 1, characterized in that: the feedback mechanism includes a T-shaped chute and a feedback piece, and the T-shaped chute is located at the position of the inlet and is circumferentially opened on the On the inner wall of the reaction barrel body, the upper port of the T-shaped chute communicates with the insertion port, and the shape of the feedback sheet is adapted to the shape of the T-shaped chute and can be slidably arranged on the T-shaped chute. In the chute, the inner surface of the feedback sheet is flush with the inner wall of the reaction channel body, and the upper end of the feedback sheet is provided with a drag hole for tools to hook and drag the feedback sheet out of the feeding port for observation.

Images