CN114956365A

CN114956365A - Sewage treatment device capable of prolonging sewage treatment time

Info

Publication number: CN114956365A
Application number: CN202111585319.1A
Authority: CN
Inventors: 陈玉莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-08-30

Abstract

The invention discloses a sewage treatment device for prolonging sewage treatment time, which comprises a treatment box and a liquid inlet arranged at the top of the treatment box, wherein two rotatable rotating shafts are arranged on the inner wall of the treatment box, one ends of the two rotating shafts are respectively rotatably provided with a swinging rod, the outer walls of the two swinging rods, which are far away from the rotating shafts, are jointly rotatably provided with a material receiving plate, a blanking pipe capable of adding a flocculating agent into the treatment box is arranged at the top of the treatment box above the material receiving plate, the sewage treatment device also comprises a switch assembly capable of intermittently communicating the blanking pipes, and the blanking pipes are communicated through the switch assembly when the material receiving plate rotates upwards. According to the invention, through the cooperation of the structures, the effect of intermittent discharging of the flocculant can be realized through the continuous rotation of the material receiving plate, meanwhile, water at different levels can be contacted with the flocculant, and the sewage can be stirred along with the continuous rotation of the material receiving plate, so that the flocculation rate generated by the reaction of the flocculant can be further accelerated.

Description

Sewage treatment device capable of prolonging sewage treatment time

Technical Field

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

Background

With the continuous development of industrialization, the usage amount of water resources is increased, and the generated sewage is increased, wherein the sewage comprises industrial sewage, domestic sewage and the like, and if the sewage is directly discharged, underground water resources are seriously polluted, so that serious environmental damage is caused, and therefore, the sewage can be discharged after reaching the discharge standard after being treated.

In the process of sewage treatment, impurities and suspended particles in sewage need to be adsorbed by adding a flocculating agent into the sewage, flocculation is generated through reaction, and then the sewage is filtered, so that the purpose of impurity removal of the sewage is achieved.

Disclosure of Invention

The invention aims to provide a sewage treatment device for prolonging the sewage treatment time, which can realize the intermittent blanking effect of a flocculating agent through the continuous rotation of a material receiving plate, simultaneously can enable water at different levels to contact the flocculating agent, can also play a role in stirring the sewage along with the continuous rotation of the material receiving plate, can further accelerate the rate of flocculation generated by the reaction of the flocculating agent, and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sewage treatment device when increasing sewage treatment, is including handling the case and seting up the inlet at handling the roof portion, handle the inner wall of case and install two rotatable axis of rotation, two the one end of axis of rotation all rotates and installs the pendulum rod, two the outer wall that the axis of rotation was kept away from to the pendulum rod rotates jointly and installs and connect the flitch.

And a blanking pipe capable of adding a flocculating agent into the treatment box is arranged at the top of the treatment box above the material receiving plate.

The blanking device is characterized by further comprising a switch assembly capable of enabling the blanking pipes to be communicated in an intermittent mode, the blanking pipes can be communicated through the switch assembly when the material receiving plate rotates upwards, and the blanking pipes can be closed through the switch assembly when the material receiving plate rotates downwards.

The outer wall of the treatment box, which is close to the bottom, is communicated with a drain pipe, and a second electromagnetic valve capable of opening or closing the drain pipe is installed on the outer wall of the drain pipe.

Preferably, the dwang is installed in the interior top rotation of handling the case, the outer wall of dwang is fixed with two first gears, connect the flitch to be close to the outer wall of first gear and seted up the tooth's socket, work as connect the flitch to rotate the time can be respectively with two first gear intermittent type formula meshing, be located the top first gear outer wall is fixed with a plurality of driving lever brushes.

Preferably, handle the top of case and install the storage case that is used for holding the flocculating agent, the one end intercommunication of unloading pipe is close to the outer wall of bottom at the storage case, switch module including set up at storage case outer wall and with the feed opening of unloading pipe intercommunication, the spout has been seted up to the inside that the storage case is close to the feed opening, the vertical slidable mounting of inner wall of spout has the lifter, the bottom of lifter penetrate and handle the incasement, and with the storage case with handle the department sliding connection that runs through of case, be connected with first spring between the top of lifter and the inner wall of spout, the intercommunication groove has been seted up to the outer wall of lifter, works as when the lifter moved up, the intercommunication groove can make unloading pipe and feed opening be linked together.

Preferably, be located the processing incasement wall of dwang below is fixed with the baffle, the bottom intercommunication of processing the case has the drain pipe, just install the first solenoid valve that can make the drain pipe open or close on the drain pipe, be located processing case both sides inner wall of baffle below all is fixed with wedge strip, two vertical slidable mounting has the filter screen between the wedge strip.

Also comprises a linkage component which can move the filter screen up and down.

Preferably, the linkage subassembly includes two eccentric wheels, two the eccentric wheel is fixed respectively at the outer wall of two axis of rotation, and is eccentric settings with the axis of two axis of rotation respectively, two the connecting plate is installed jointly to the outer wall of eccentric wheel, just the intra-annular wall of connecting plate both sides respectively with the outer wall sliding connection of two eccentric wheels, the bottom of connecting plate is fixed with the connecting rod, the bottom of baffle is passed to the bottom of connecting rod and is fixed on the filter screen, the through position sliding connection of connecting rod and baffle.

Preferably, the outer wall that the processing case is close to the filter screen installs the collecting box, just the collecting box communicates with the inside of handling the case, the filter screen stretches into in the collecting box, and one of them is kept away from the connecting rod wedge strip outer wall horizontal sliding installs the L template, the vertical slidable mounting of outer wall of L template has the scraper blade, be connected with the second spring between the top of scraper blade and the outstanding outer wall in L template top, still include the drive assembly that can make L template horizontal migration, work as behind the water level of handling the incasement is less than the filter screen, drive assembly can make the L template remove to the collecting box direction.

Preferably, the transmission assembly is including seting up the perpendicular groove of drain pipe inner wall, and erects the inslot internal rotation and install the pivot, a plurality of fan boards are installed to the outer wall of pivot, work as can drive the fan board during drainage in the drain pipe and rotate, the one end that the drain pipe top was worn out in the pivot is fixed with the wind-up roll, just the pivot is connected with the department of running through of drain pipe rotation, the winding has the stay cord on the wind-up roll, the one end of stay cord penetrates in the collecting box to fix the outer wall at the L template, still include locking mechanical system, after the water level of handling the incasement is less than the filter screen, locking mechanical system can relieve the locking effect to the countershaft.

Preferably, the locking mechanism comprises a second gear fixed on the outer wall of the rotating shaft, the inner wall of the bottom of the collecting box is provided with a hole, a sliding rod is vertically and slidably mounted in the hole, a floating plate is fixed at the top end of the sliding rod, a limiting rod is fixed at the bottom end of the sliding rod, a limiting block is fixed on the outer wall of the limiting rod close to the second gear, the limiting block is meshed with the teeth of the second gear, and when the sliding rod moves downwards, the limiting block can be separated from the second gear.

Preferably, a plurality of stirring rods are fixed on the outer wall of the rotating rod close to the bottom.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, through the matching between the structures, the flocculant on the material receiving plate enters water through the rotation of the material receiving plate, and the flocculant can react with the water along with the rotation of the material receiving plate, so that water at different levels can contact with the flocculant, the speed and the effect of sewage treatment can be further improved, the intermittent discharging effect of the flocculant can be realized along with the continuous rotation of the material receiving plate, the sewage can be stirred along with the continuous rotation of the material receiving plate, the speed of flocculating agent reaction and flocculation production can be further accelerated, the flocculant can fully react with the sewage by intermittently adding the flocculant, the duration of sewage treatment can be increased, and the sewage treatment effect is better.

The invention achieves the effect of filtering floccules through the filter screen by matching the structures, and simultaneously prevents the filter screen from being blocked while improving the filtering effect through the backflushing of water to the filter screen.

By matching the structures, the cleaning device achieves the effect of cleaning the filter screen after water is filtered, and can squeeze and dewater the cleaned floccules, so that the floccules can be cleaned conveniently in the later period.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a schematic front half-sectional perspective view of the present invention;

FIG. 3 is an enlarged view of FIG. 2A;

FIG. 4 is a schematic front sectional perspective view of the present invention;

FIG. 5 is a front isometric view in perspective view of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at B;

fig. 7 is a schematic structural view of the right side of the present invention in a perspective view.

In the figure: 1. a treatment tank; 2. a material storage box; 3. a collection box; 4. a motor; 5. a drain pipe; 6. a second solenoid valve; 7. a partition plate; 8. rotating the rod; 9. a first gear; 10. a stirring rod; 11. a deflector rod brush; 12. a material receiving plate; 13. a feed opening; 14. a chute; 15. a first spring; 16. a lifting rod; 17. a communicating groove; 18. a feeding pipe; 19. a swing rod; 20. a rotating shaft; 21. an eccentric wheel; 22. a connecting rod; 23. a filter screen; 24. wedge strips; 25. an L-shaped plate; 26. a second spring; 27. a squeegee; 28. a liquid outlet pipe; 29. a first solenoid valve; 30. a wind-up roll; 31. pulling a rope; 32. a rotating shaft; 33. a floating plate; 34. a slide bar; 35. a limiting rod; 36. a second gear; 37. a fan plate; 38. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides an increase sewage treatment plant long when sewage treatment, includes and handles case 1 and offers the inlet at handling case 1 top, handles the inner wall of case 1 and installs two rotatable axis of rotation 20, and the one end of two axis of rotation 20 is all rotated and is installed pendulum rod 19, and two pendulum rods 19 keep away from the outer wall of axis of rotation 20 and rotate jointly and install and connect flitch 12.

The top of the treatment box 1 above the material receiving plate 12 is provided with a blanking pipe 18 which can add flocculating agent to the treatment box 1.

The blanking device also comprises a switch assembly which can enable the blanking pipe 18 to be communicated intermittently, the blanking pipe 18 can be communicated through the switch assembly when the material receiving plate 12 rotates upwards, and the blanking pipe 18 can be closed through the switch assembly when the material receiving plate 12 rotates downwards.

The outer wall of the treatment box 1 close to the bottom is communicated with a drain pipe 5, and the outer wall of the drain pipe 5 is provided with a second electromagnetic valve 6 which can open or close the drain pipe 5.

The sewage to be treated is injected into the treatment box 1 through the liquid inlet, then the two rotating shafts 20 are driven to synchronously rotate through the external structure, then the two rotating shafts 20 can drive the material receiving plate 12 to circularly rotate and keep horizontal all the time, when the material receiving plate 12 rotates upwards, the blanking pipe 18 can be communicated through the switch assembly, then the flocculating agent can fall into the treatment box 1 through the blanking pipe 18 and fall on the material receiving plate 12, and the material receiving plate 12 can have a horizontal displacement process after rotating upwards, so that the flocculating agent falls on the material receiving plate 12 and falls into one strip, then when the material receiving plate 12 rotates downwards, the switch assembly can close the blanking pipe 18 to stop blanking, the material receiving plate 12 rotates downwards to enter the sewage, at the same time, the flocculating agent on the material receiving plate 12 can enter the water and reacts with the water along with the rotation of the material receiving plate 12, so that the water at different levels can all contact the flocculating agent, thereby can further improve sewage treatment's speed and effect, like this along with connecing the continuous rotation of flitch 12, can realize the effect of flocculating agent intermittent type formula unloading, and along with connecing the continuous rotation of flitch 12 and can also playing the effect of stirring to sewage, can further accelerate the speed that the flocculating agent reaction produced the flocculation thing, and intermittent type formula adds the flocculating agent both can make the flocculating agent fully react with sewage, and can also increase sewage treatment's length, make the treatment effect of sewage better.

The outer wall of the treatment box 1 is fixed with a motor 4 through a motor mounting seat, an output shaft of the motor 4 is fixedly connected with the end part of one of the rotating shafts 20, when the output shaft of the motor 4 rotates, one of the rotating shafts 20 is driven to rotate, and at the moment, under the connecting action of the material receiving plate 12, the other swing rod 19 is driven to rotate, so that the other rotating shaft 20 is driven to synchronously rotate.

Further, handle the interior top of case 1 and rotate and install dwang 8, the outer wall of dwang 8 is fixed with two first gears 9, connects flitch 12 to be close to the outer wall of first gear 9 and has seted up the tooth's socket, can respectively with two first gear 9 intermittent type formula meshing when connecing flitch 12 to rotate, the first gear 9 outer wall that is located the top is fixed with a plurality of driving lever brushes 11.

Along with connecing flitch 12 to rotate, can make tooth's socket of seting up on it and the tooth contact meshing of first gear 9, then can drive first gear 9 and rotate, dwang 8 also rotates simultaneously, and can also drive driving lever brush 11 when first gear 9 rotates and rotate, and will connect the flocculating agent that falls down on flitch 12 to carry out the circumference and stir, can make the flocculating agent throw away under the effect of centrifugal force, thereby can make flocculating agent and sewage area of contact bigger, and then can effectually accelerate the reaction of flocculating agent and water, thereby improve sewage treatment's speed.

Further, handle the top of case 1 and install storage case 2 that is used for holding the flocculating agent, the one end intercommunication of unloading pipe 18 is close to the outer wall of bottom at storage case 2, switch module is including seting up at storage case 2 outer wall and with the feed opening 13 of unloading pipe 18 intercommunication, spout 14 has been seted up to storage case 2 near the inside of feed opening 13, the vertical slidable mounting of inner wall of spout 14 has lifter 16, lifter 16's bottom penetrates and handles in the case 1, and with storage case 2 and the department sliding connection that runs through who handles case 1, be connected with first spring 15 between lifter 16's the top and the inner wall of spout 14, intercommunication groove 17 has been seted up to lifter 16's outer wall, when lifter 16 rebound, intercommunication groove 17 can make unloading pipe 18 and feed opening 13 be linked together.

Put into storage case 2 with the flocculating agent, can push up lifter 16 along 14 inner walls of spout upward movement when connecing flitch 12 to rotate upward, first spring 15 is compressed simultaneously, and lifter 16 can make intercommunication groove 17 and feed opening 13 and blanking pipe 18 intercommunication during the upward movement, make the flocculating agent in storage case 2 pass through feed opening 13, intercommunication groove 17 and blanking pipe 18 fall into and handle the case 1, reach the purpose of unloading, then connect flitch 12 to rotate and break away from the back with lifter 16, can make lifter 16 downstream under the spring action of first spring 15 this moment, and make intercommunication groove 17 seal feed opening 13 and blanking pipe 18, thereby reach the effect of intermittent type unloading, and the interior bottom of storage case 2 can also set up to the inclined plane, can make things convenient for the roll-off of flocculating agent more like this.

Further, a partition plate 7 is fixed on the inner wall of the treatment box 1 below the rotating rod 8, the bottom of the treatment box 1 is communicated with a liquid outlet pipe 28, a first electromagnetic valve 29 capable of opening or closing the liquid outlet pipe 28 is installed on the liquid outlet pipe 28, wedge strips 24 are fixed on the inner walls of two sides of the treatment box 1 below the partition plate 7, and a filter screen 23 is vertically installed between the two wedge strips 24 in a sliding mode.

And a linkage assembly which can move the filter screen 23 up and down.

When sewage is reacted by a flocculating agent to generate floccule, impurities and suspended particles in the sewage are adsorbed, at the moment, the liquid outlet pipe 28 is opened through the first electromagnetic valve 29, the water outlet pipe 5 is opened through the second electromagnetic valve 6, then the sewage and the floccule above the partition plate 7 flow into the cavity below through the liquid outlet pipe 28, the top of the partition plate 7 can be set to be a conical surface, so that the floccule can be prevented from remaining on the partition plate 7, the sewage and the floccule flowing to the lower part from the liquid outlet pipe 28 can be filtered through the filter screen 23, the floccule is filtered on the filter screen 23, the effect of separating the floccule from the water is achieved, the filtered water is discharged out of the treatment box 1 through the water outlet pipe 5, the filter screen 23 enables the filter screen 23 to move up and down through the linkage assembly while filtering the floccule, so that a downward force is generated on the water below when the filter screen 23 moves down, meanwhile, the water exerts an upward force on the filter screen 23, so that the water backflushes the filter holes of the filter screen 23, the filter holes of the filter screen 23 are prevented from being blocked while filtering, and the filtering effect on floccules is improved.

Further, the linkage assembly comprises two eccentric wheels 21, the two eccentric wheels 21 are fixed on the outer walls of the two rotating shafts 20 respectively and are eccentrically arranged with the axes of the two rotating shafts 20 respectively, a connecting plate 38 is installed on the outer walls of the two eccentric wheels 21 together, the inner walls of the two sides of the connecting plate 38 are slidably connected with the outer walls of the two eccentric wheels 21 respectively, a connecting rod 22 is fixed at the bottom of the connecting plate 38, the bottom end of the connecting rod 22 penetrates through the bottom of the partition plate 7 and is fixed on the filter screen 23, and the connecting rod 22 is slidably connected with the penetrating position of the partition plate 7.

When the two rotating shafts 20 rotate, the two eccentric wheels 21 are driven to rotate, at this time, the eccentric wheels 21 are in sliding fit with the inner walls of the two side rings of the connecting plate 38, the connecting plate 38 is driven to move up and down, and then the connecting rod 22 drives the filter screen 23 to move up and down, so that the filter screen 23 can prevent filter holes from being blocked while the filtering effect is improved.

Further, the outer wall that handles case 1 and be close to filter screen 23 installs collecting box 3, and collecting box 3 communicates with the inside of handling case 1, filter screen 23 stretches into in the collecting box 3, one of them wedge strip 24 outer wall horizontal sliding who keeps away from connecting rod 22 installs L template 25, the vertical sliding installation of outer wall of L template 25 has scraper blade 27, be connected with second spring 26 between the top of scraper blade 27 and the outstanding outer wall in L template 25 top, still include the drive assembly that can make L template 25 horizontal migration, after the water level in handling case 1 is less than filter screen 23, drive assembly can make L template 25 remove to collecting box 3 direction.

When the water in the treatment tank 1 is gradually discharged through the drain pipe 5, the water level in the treatment tank 1 is gradually reduced, when the water level is reduced below the filter screen 23, the water is completely filtered, the transmission component drives the L-shaped plate 25 to move towards the collecting tank 3, then the scraper 27 arranged on the L-shaped plate 25 scrapes the floccules filtered out on the surface of the filter screen 23 towards the collecting tank 3, so that the surface of the filter screen 23 is cleaned, because the filter screen 23 continuously moves up and down at the moment, the scraper 27 can be always attached to the surface of the filter screen 23 by utilizing the elasticity of the second spring 26, after the floccules are completely scraped into the collecting tank 3 by the scraper 27, the floccules can be squeezed along with the continuous movement of the L-shaped plate 25 and the scraper 27 at the moment, and the floccules can be collected firstly by matching with the continuous up and down movement of the filter screen 23, then carry out extruded effect to it, extrude the moisture in the flocculus, play the effect of dehydration to the flocculus to the convenient later stage clearance to the flocculus, then can also set up the mouth that can open on the collecting box 3, outside the flocculus of following extrusion dehydration clears out collecting box 3.

Further, transmission assembly is including seting up in the perpendicular groove of drain pipe 5 inner wall, and erect the inslot internal rotation and install pivot 32, a plurality of fan boards 37 are installed to the outer wall of pivot 32, can drive fan board 37 and rotate when 5 internal drains of drain pipe, the one end that drain pipe 5 tops was worn out to pivot 32 is fixed with wind-up roll 30, and pivot 32 rotates with the department of running through of drain pipe 5 and is connected, the winding has stay cord 31 on the wind-up roll 30, the one end of stay cord 31 penetrates in collecting box 3, and fix the outer wall at L template 25, still include locking mechanical system, after the water level in handling case 1 is less than filter screen 23, locking mechanical system can relieve the locking effect to pivot 32.

When the second solenoid valve 6 opens the drain pipe 5, and water is discharged from the drain pipe 5, since the locking mechanism has just started to lock the rotary shaft 32, the water flow does not drive the fan plate 37 to rotate, and then, when the water level is lower than the filter screen 23, the water is filtered, the locking mechanism then releases the locking of the shaft 32, which now under the flow of water in the drain pipe 5 will rotate against the sector 37, then, the rotation of the fan plate 37 will drive the top wind-up roll 30 to rotate together, and then the wind-up roll 30 will wind the pull rope 31, the L-shaped plate 25 is pulled to move towards the collecting box 3 under the action of the pulling force of the pulling rope 31, so that the effect of cleaning the surface of the filter screen 23 is achieved, then after the water in the treatment box 1 is discharged, the winding roller 30 is rotated reversely, the pull rope 31 is sent out, and then the L-shaped plate 25 is moved reversely to reset.

Further, the locking mechanism comprises a second gear 36 fixed on the outer wall of the rotating shaft 32, a hole is formed in the inner wall of the bottom of the collecting box 3, a sliding rod 34 is vertically and slidably mounted in the hole, a floating plate 33 is fixed at the top end of the sliding rod 34, a limiting rod 35 is fixed at the bottom end of the sliding rod 34, a limiting block is fixed on the outer wall, close to the second gear 36, of the limiting rod 35, the limiting block is meshed with teeth of the second gear 36, and when the sliding rod 34 moves downwards, the limiting block can be separated from the second gear 36.

When the drain pipe 28 is opened to drain water, the drain pipe 5 is closed first, so that the floating plate 33 floats in the filtered water, then the floating plate 33 drives the sliding rod 34 and the limiting rod 35 to move upwards together, the limiting block on the limiting rod 35 is inserted into the teeth of the second gear 36 to limit and lock the second gear 36, then the drain pipe 5 is opened to drain water, when the water level gradually drops, the floating plate 33 loses the effect of the floating force, moves downwards and drives the sliding rod 34 and the limiting rod 35 to move downwards together, and the limiting block on the limiting rod 35 is separated from the second gear 36, so that the locking effect on the second gear 36 and the rotating shaft 32 is relieved.

Further, a plurality of stirring rods 10 are fixed to the outer wall of the rotating rod 8 near the bottom.

When dwang 8 will drive puddler 10 and rotate in positive direction intermittent type pivoted, can improve the stirring effect to sewage, further improve sewage treatment's effect.

The working principle is as follows: this sewage treatment device who is long when increasing sewage treatment uses, pour into pending sewage into treatment box 1 through the inlet, put into storage case 2 with the flocculating agent simultaneously, then rotate through axis of rotation 20 and drive pendulum rod 19 and connect flitch 12 to rotate together, then connect flitch 12 can make falling into treatment box 1 of the flocculating agent intermittent type formula in storage case 2 through drive mechanism in the pivoted, reach the effect of intermittent type blanking, and along with the rotation that connects flitch 12 and the rotation of first gear 9 and dwang 8 can also play the effect of stirring to sewage, improve the reaction rate of flocculating agent, thereby improve sewage treatment's effect.

When the flocculating agent has been added, then the flocculating agent adsorbs the impurity in with aquatic and suspended particles and forms behind the flocculus, through opening drain pipe 28, lets in water and flocculus below to filter the flocculus through filter screen 23, reach and carry out filterable effect to the flocculus, clean and dewater the flocculus on filter screen 23 surface again after having filtered, and the water after the filtration then passes through outside drain pipe 5 discharge treatment case 1, accomplishes whole sewage treatment's process.

The standard parts used in the present embodiment can be purchased directly from the market, and the non-standard structural parts described in the specification and drawings can be obtained by processing without any doubt according to the general knowledge of the prior art, and the connection mode of the parts adopts the conventional means mature in the prior art, and the machines, parts and equipment adopt the conventional models in the prior art, so that the detailed description is not given here.

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

Claims

1. The utility model provides an increase sewage treatment plant long when sewage treatment, includes and handles case (1) and set up the inlet at handling case (1) top, its characterized in that: two rotatable rotating shafts (20) are mounted on the inner wall of the treatment box (1), swing rods (19) are rotatably mounted at one ends of the two rotating shafts (20), and material receiving plates (12) are rotatably mounted on the outer walls, far away from the rotating shafts (20), of the two swing rods (19) together;

a discharge pipe (18) capable of adding a flocculating agent into the treatment box (1) is arranged at the top of the treatment box (1) above the material receiving plate (12);

the blanking device also comprises a switch assembly which can intermittently communicate the blanking pipe (18), the blanking pipe (18) can be communicated through the switch assembly when the material receiving plate (12) rotates upwards, and the blanking pipe (18) can be closed through the switch assembly when the material receiving plate (12) rotates downwards;

the outer wall of the treatment box (1) close to the bottom is communicated with a drain pipe (5), and a second electromagnetic valve (6) capable of opening or closing the drain pipe (5) is installed on the outer wall of the drain pipe (5).

2. The sewage treatment apparatus for increasing a sewage treatment time according to claim 1, wherein: handle the interior top of case (1) and rotate and install dwang (8), the outer wall of dwang (8) is fixed with two first gears (9), connect flitch (12) to be close to the outer wall of first gear (9) and seted up the tooth's socket, work as connect flitch (12) to rotate the time can be respectively with two first gear (9) intermittent type formula meshing, be located the top first gear (9) outer wall is fixed with a plurality of driving lever brushes (11).

3. The sewage treatment apparatus for increasing a sewage treatment time according to claim 1, wherein: the top of the treatment box (1) is provided with a storage box (2) used for containing a flocculating agent, one end of the blanking pipe (18) is communicated with the outer wall of the storage box (2) close to the bottom, the switch assembly comprises a blanking hole (13) which is arranged on the outer wall of the storage box (2) and communicated with the blanking pipe (18), the storage box (2) is close to the inner part of the blanking hole (13) and is provided with a chute (14), the inner wall of the chute (14) is vertically and slidably provided with a lifting rod (16), the bottom end of the lifting rod (16) penetrates into the treatment box (1) and is in sliding connection with the penetration part of the storage box (2) and the treatment box (1), a first spring (15) is connected between the top end of the lifting rod (16) and the inner wall of the chute (14), the outer wall of the lifting rod (16) is provided with a communicating groove (17), and when the lifting rod (16) moves upwards, the communicating groove (17) can communicate the blanking pipe (18) with the blanking opening (13).

4. The sewage treatment apparatus for increasing a sewage treatment time according to claim 2, wherein: a partition plate (7) is fixed on the inner wall of the treatment box (1) below the rotating rod (8), the bottom of the treatment box (1) is communicated with a liquid outlet pipe (28), a first electromagnetic valve (29) capable of opening or closing the liquid outlet pipe (28) is installed on the liquid outlet pipe (28), wedge strips (24) are fixed on the inner walls of two sides of the treatment box (1) below the partition plate (7), and a filter screen (23) is vertically installed between the two wedge strips (24) in a sliding manner;

also comprises a linkage assembly which can move the filter screen (23) up and down.

5. The sewage treatment apparatus for increasing a sewage treatment time according to claim 4, wherein: the linkage subassembly includes two eccentric wheels (21), two eccentric wheel (21) are fixed respectively at the outer wall of two axis of rotation (20), and are eccentric settings, two with the axis of two axis of rotation (20) respectively the outer wall of eccentric wheel (21) installs connecting plate (38) jointly, just the intra-annular wall of connecting plate (38) both sides respectively with the outer wall sliding connection of two eccentric wheels (21), the bottom of connecting plate (38) is fixed with connecting rod (22), the bottom of baffle (7) is passed to the bottom of connecting rod (22) and is fixed on filter screen (23), the department sliding connection that runs through of connecting rod (22) and baffle (7).

6. The sewage treatment apparatus for increasing a sewage treatment time according to claim 4, wherein: the outer wall that handles case (1) is close to filter screen (23) installs collecting box (3), just collecting box (3) and the inside intercommunication of handling case (1), filter screen (23) stretch into in collecting box (3), and one of them is kept away from connecting rod (22) wedge strip (24) outer wall horizontal sliding mounting has L template (25), the vertical sliding mounting of outer wall of L template (25) has scraper blade (27), be connected with second spring (26) between the top of scraper blade (27) and the outstanding outer wall in L template (25) top, still including the drive assembly that can make L template (25) horizontal migration, work as behind the water level in handling case (1) is less than filter screen (23), drive assembly can make L template (25) to collecting box (3) direction removal.

7. The sewage treatment apparatus for increasing a sewage treatment time according to claim 6, wherein: the transmission assembly is including seting up the perpendicular groove of drain pipe (5) inner wall, and erects the inslot internal rotation and install pivot (32), a plurality of fan boards (37) are installed to the outer wall of pivot (32), work as can drive fan board (37) during drainage in drain pipe (5) and rotate, the one end that drain pipe (5) top was worn out in pivot (32) is fixed with wind-up roll (30), just pivot (32) are connected with the department of running through rotation of drain pipe (5), the winding has stay cord (31) on wind-up roll (30), the one end of stay cord (31) penetrates in collecting box (3) to fix the outer wall at L template (25), still include locking mechanical system, after the water level in handling case (1) is less than filter screen (23), locking mechanical system can relieve the locking action to pivot (32).

8. The sewage treatment apparatus for increasing a sewage treatment time according to claim 7, wherein: the locking mechanism comprises a second gear (36) fixed on the outer wall of the rotating shaft (32), the inner wall of the bottom of the collecting box (3) is provided with a hole, a sliding rod (34) is vertically and slidably mounted in the hole, a floating plate (33) is fixed at the top end of the sliding rod (34), a limiting rod (35) is fixed at the bottom end of the sliding rod (34), a limiting block is fixed on the outer wall, close to the second gear (36), of the limiting rod (35), the limiting block is meshed with teeth of the second gear (36), and when the sliding rod (34) moves downwards, the limiting block can be separated from the second gear (36).

9. The sewage treatment apparatus for increasing a sewage treatment time according to claim 2, wherein: the outer wall that dwang (8) are close to the bottom is fixed with a plurality of puddlers (10).