CN114409043B

CN114409043B - Multi-effect clarification system and clarification method thereof

Info

Publication number: CN114409043B
Application number: CN202210144203.2A
Authority: CN
Inventors: 韩彦涛; 陈力辉
Original assignee: Zhenhe Huilian Zhejiang Environmental Technology Co ltd
Current assignee: Zhenhe Huilian Zhejiang Environmental Technology Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-10-28
Anticipated expiration: 2042-02-17
Also published as: CN114409043A

Abstract

The technical scheme of the invention is realized as follows: a multiple effect clarification system characterized by: the device comprises a clarification tank which is arranged into a circular tank body, wherein a water distribution cavity is arranged at the center of the clarification tank, and a flocculation cavity, a first clarification cavity, a second clarification cavity and a water outlet cavity are sequentially arranged in the clarification tank in an annular shape from inside to outside around the water distribution cavity; the device also comprises a water inlet pipe, a purification integrated machine, a clarification device, a sludge accumulation tank, a dosing device and a dredging device; the water distribution cavity, the flocculation cavity, the first clarification cavity, the second clarification cavity and the water outlet cavity are all separated by partition plates; the invention has the beneficial effects that: the clarification is convenient, and the work efficiency is high.

Description

Multi-effect clarification system and clarification method thereof

Technical Field

The invention relates to the technical field of clarification systems, in particular to a multi-effect clarification system and a clarification method thereof.

Background

With the rapid development of economy, the contradiction between the continuous increase of water demand and the shortage of water resources is increasingly prominent, the requirement of industrial production on water quality is also increasingly improved, the requirement of national economy development on a water treatment system is increasingly expanded, and simultaneously higher requirements on the operation effect and the stability of the water treatment system are provided.

The clarification tank is an important process in a raw water pretreatment system and a reclaimed water reuse system, and is generally divided into forms of sludge circulation (backflow), sludge suspension (sludge filtration) and the like according to the condition of sludge in the tank. The clarification tank is a water treatment device integrating coagulation and mud-water separation, and most of water flows flow upwards. The clarification tank has the advantages of high production capacity, good treatment effect and the like, but some clarification tanks are obviously influenced by the change of factors such as the quality of inlet water, the quantity of water, the temperature of water, flocculating agents and the like. The existing clarification system needs to mix the sewage with a medicament (coagulant) and then add the mixture into clarification equipment for clarification, and has complex working procedures and poor clarification effect.

Disclosure of Invention

In view of the disadvantages of the prior art, the present invention provides a multi-effect clarification system and a clarification method thereof to solve the above problems in the background art.

The technical scheme of the invention is realized as follows: a multiple effect clarification system characterized by: the device comprises a clarification tank which is a circular tank body, wherein a water distribution cavity is arranged at the center of the clarification tank, and a flocculation cavity, a first clarification cavity, a second clarification cavity and a water outlet cavity are sequentially arranged in the clarification tank in an annular manner from inside to outside around the water distribution cavity; the water inlet pipe is arranged at the bottom of the water distribution cavity and used for conveying water to be treated to the water distribution cavity; the purification all-in-one machine is arranged at the upper end of the clarification tank and acts on the flocculation cavity, the first clarification cavity and the second clarification cavity; the clarification device is arranged in the second clarification cavity; the sludge accumulation tank is arranged at one side of the bottom of the flocculation cavity close to the water distribution cavity, the bottom wall of the clarification tank gradually inclines towards the direction of the sludge accumulation tank, and a drain pipe is arranged at the bottom of the sludge accumulation tank; the dosing device is arranged on the water inlet pipe and is used for adding a coagulant into the water inlet pipe; the dredging device is arranged in the sludge accumulation groove and is controlled by the chemical adding device to open and close the blow-off pipe; the water distribution cavity, the flocculation cavity, the first clarification cavity, the second clarification cavity and the water outlet cavity are all separated by partition plates, the bottom of each partition plate is provided with a sewage discharge hole, the upper end of each sewage discharge hole is provided with a water passing hole, and the bottom of the water outlet cavity is provided with a water outlet pipe.

Through the technical scheme, when in clarification, water to be treated enters from the water inlet pipe, coagulant is added into the water inlet pipe through the dosing device, dosing is convenient and rapid, the clarification efficiency is high, meanwhile, the action of the dosing device drives the opening and closing of the sewage discharge pipe and sewage discharge, energy and resources are saved, and accumulated sludge is convenient to clean; the invention has compact structure, convenient clarification and high working efficiency.

Preferably: the dosing device comprises a shell, a dosing device and a dosing device, wherein the shell is fixed at the lower end of a water inlet pipe, a spray head is installed at the upper end of the shell, the spray head penetrates into the water inlet pipe, a dosing pipeline for conveying a coagulant into the shell is installed at the bottom of the shell, a first cavity and a second cavity are respectively formed in the upper end and the lower end of the interior of the shell, and the first cavity is communicated with the spray head; the rotating shaft is vertically arranged in the shell, the upper end of the rotating shaft is provided with a water conveying channel, the conveying channel is respectively communicated with the first cavity and the second cavity through a first valve port and a second valve port, the lower end of the rotating shaft is arranged in a gap with the shell, the lower end of the side wall of the rotating shaft is provided with a water conveying groove, and the conveying groove is communicated with the medicine conveying pipeline and the second cavity; the motor is arranged at the bottom of the shell and used for controlling the rotation of the rotating shaft; the valve core is arranged in the first cavity, is connected with the rotating shaft through a spline and is in up-and-down sliding connection with the rotating shaft, the lower end of the valve core is connected with the shell through a spring, and a sliding sleeve is arranged on the valve core and can open and close the first valve port; the transmission rod is arranged at the upper end of the valve core and can be contacted with the top of the valve core, the transmission rod and the rotating shaft are coaxially arranged, a return spring is sleeved on the transmission rod, the bottom of the return spring is fixedly connected with the bottom of the transmission rod, and the top of the return spring is contacted with the top wall in the shell; the transmission rod penetrates out of the shell upwards to the interior of the water inlet pipe and is in fit contact with the dredging device.

Preferably: a stirring mechanism is arranged on one side, facing the water distribution tank, of the spray head in the water inlet pipe, the stirring mechanism is connected with the transmission rod through a transmission mechanism and driven by the transmission rod, and the transmission mechanism comprises a driving gear and is fixed on the transmission rod; the driven gear is rotatably arranged on the water inlet pipe through a rotating shaft and is vertically arranged, and the driven gear is in meshing transmission with the driving gear; the first conical gear is fixed at the lower end of the driven gear; the rotating ring is rotatably installed on the inner wall of the water inlet pipe through a bearing, a transmission ring is fixed on one side of the rotating ring, which faces the first conical gear, conical teeth are arranged on the inner side of the transmission ring, and the transmission ring is in meshing transmission connection with the first conical gear through the conical teeth; the center of the rotating ring is provided with a supporting cylinder which is arranged in parallel with the water inlet pipe, the supporting cylinder is fixed on the rotating ring through a supporting rod, and the stirring mechanism is arranged on the supporting cylinder.

Preferably, the following components are used: the stirring mechanism comprises a fixed shaft, and is arranged at the bottom in the stirring cylinder, and one end of the fixed shaft penetrates out of the stirring cylinder; the second bevel gear is fixedly arranged on the fixed shaft; the stirring rods are uniformly arranged on the outer side of the second bevel gear in the circumferential direction, the middle parts of the fixing shafts are rotatably arranged on the fixing cylinders through buckles, and stirring paddles are arranged on the fixing shafts; and the third bevel gear is fixed at one end of each stirring rod facing the second bevel gear and is in meshed transmission with the second bevel gear.

Preferably: a stirring shaft is vertically fixed at the upper end of the driven gear, and stirring blades are installed on the stirring shaft.

Preferably: the dredging device comprises an opening and closing unit, is arranged at one end of the sewage discharge pipe close to the sewage discharge groove and is used for opening and closing the sewage discharge pipe; and the dredging unit is arranged in the sewage discharge groove, is controlled and driven by the transmission rod, and is connected with the opening and closing unit to control the opening and closing unit to work.

Preferably: the opening and closing unit comprises a mounting ring and is fixed on the inner wall of the sewage pipe; the ball body is fixed on the mounting ring and can rotate on the mounting ring; a sewage discharge channel is arranged in the ball body, the sewage discharge channel is communicated with the left side and the right side of the ball body, and the orientation of the sewage discharge channel of the ball body is changed when the ball body rotates; the outside of the ball body is uniformly provided with toggle grooves.

Preferably: the dredging unit comprises two conveying rollers which are arranged in the sewage draining groove through a supporting frame, and the conveying rollers are rotatably arranged on the supporting frame through a first supporting shaft; the first conveying belt is arranged on the conveying roller in a tensioning mode and is controlled by the conveying roller to rotate anticlockwise; the deflector rods are uniformly arranged on the first conveyor belt and can be inserted into the deflector grooves to deflect the spheres to rotate when the first conveyor belt is conveyed; and the driving unit is used for driving the conveying roller to rotate and is controlled and driven by the transmission rod.

Preferably: the driving unit comprises a first driving wheel fixed on the first supporting shaft; the second driving wheel is rotatably arranged on the supporting frame through a second supporting shaft; the second conveyor belt is arranged on the first transmission wheel and the second transmission wheel in a tensioning mode; and a driving wheel fixed on the second supporting shaft; the driving wheel comprises a wheel body fixed on the second supporting shaft, and the transmission rod is positioned on one side of the wheel body; the limiting blocks are uniformly fixed on the outer wall of the wheel body; the bottom of the movable rod is hinged on the limiting block; a hook block is arranged on one side of the upper end of the transmission rod facing the wheel body; the movable rod can rotate anticlockwise around the limiting block, and when the movable rod rotates to be flush with the limiting block, the movable rod is limited to rotate by the limiting block; the transmission rod can stir the movable rod to rotate upwards when moving upwards, and stir the movable rod to move downwards to drive the wheel body to rotate when moving downwards.

A multi-effect clarification method, suitable for use in a multi-effect clarification system as described above, comprising the steps of:

s1, adding medicine: inputting water to be treated from a water inlet pipe, starting a dosing device, adding a coagulant into the shell from a medicine conveying pipeline in the dosing device, starting a motor to drive a rotating shaft and a valve core to rotate, enabling the coagulant to enter a second chamber through a water conveying groove and to be driven to rotate by the rotation of the rotating shaft, enabling the coagulant which is conveyed in a rotating mode to enter a water conveying channel from a second valve port and enter a first chamber from a first valve port, and enabling a spray head to spray the rotating coagulant into the water to be treated in the water inlet pipe to be mixed; meanwhile, when the coagulant enters the first cavity, due to the arrangement of the spray head, pressure drop can be generated in the first cavity, the coagulant in the first cavity pushes the valve core downwards to extrude the spring, the sliding sleeve moves downwards along with the valve core and closes the first valve port, when the spray head sprays the coagulant in the first cavity into the water inlet pipe, the pressure in the first cavity is reduced, the spring pushes the valve core upwards to be in contact with the transmission rod and pushes the transmission rod upwards, and drives the transmission rod to rotate, when the valve core descends, the transmission rod moves downwards under the action of the reset spring and the self gravity, and the coagulant is added into the water inlet pipe along with the up-and-down movement of the valve core, so that the transmission rod is driven to rotate and stretch and move up and down;

s2, stirring: when the dosing device drives the transmission rod to rotate, the driving gear on the transmission rod rotates to drive the driven gear and the first conical gear at the lower end of the driven gear to rotate, the stirring shaft and the stirring blades at the upper end of the driven gear rotate horizontally to preliminarily mix a coagulant with water to be treated, meanwhile, the first conical gear drives the transmission ring to rotate so as to drive the rotation ring and the support cylinder on the rotation ring to rotate, the stirring rod rotates along with the rotation of the support cylinder to stir, the second conical gear rotates along with the support cylinder so as to drive the rotation of the third conical gear, the stirring rod rotates along with the rotation of the third conical gear to drive the stirring paddle to stir, three stirring in different directions are realized through the rotation of the stirring blades, the rotation of the stirring rod around the support cylinder and the rotation of the stirring paddle driven by the stirring rod, and the coagulant and the water to be treated are fully mixed;

s3, clarification: the method comprises the following steps that water to be treated fully mixed with a coagulant enters a water distribution cavity, the water to be treated is continuously introduced to enable the water in the water distribution cavity to sequentially enter a flocculation cavity, a first clarification cavity, a second clarification cavity and a water outlet cavity, firstly, the water to be treated is subjected to enhanced flocculation in the flocculation cavity by a purification all-in-one machine, sludge and water after enhanced flocculation enter the first clarification cavity to realize sludge and water separation under the action of the purification all-in-one machine, the separated water continuously enters the second clarification cavity, fine suspended particles in the water are further removed through secondary enhanced clarification under the action of the purification all-in-one machine and a clarification device, and then the water enters the water outlet cavity to be discharged for use; meanwhile, the sludge moves to the sludge accumulation tank through the sewage discharge hole of the partition plate and enters the sludge accumulation tank;

s4, dredging: when the dosing device drives the transmission rod to stretch and move up and down, when the transmission rod moves downwards, the hook block on the transmission rod is in contact with the movable rod on the wheel body of the driving wheel, the movable rod cannot rotate downwards continuously due to the limited block, the hook block of the transmission rod drives the movable rod to move downwards so that the wheel body rotates clockwise, the transmission rod and the hook block are in contact with the movable rod when ascending, the movable rod is not limited by the limited block to rotate anticlockwise, and the wheel body does not rotate; because the wheel body rotates and drives second back shaft and second drive wheel and rotate, the second drive wheel passes through the second conveyer belt and drives first drive wheel and first back shaft and rotate, thereby make the driving roller rotate, and then make first conveyer belt carry, the driving lever of first conveyer belt upper end moves towards the blow-off pipe direction, when first conveyer belt is carried, carry the accumulational mud in sludge accumulation tank bottom to the blow-off pipe, simultaneously because the transport of first conveyer belt, the driving lever rotates to spheroid direction and drives spheroid rotation ninety degrees in inserting spheroidal striking groove, spheroidal blow-off passage rotates to the horizontality intercommunication blow-off pipe thereupon along with spheroidal rotation blow-off passage, carry out blowdown work, it makes blow-off passage rotate to vertical state and close blow-off pipe stop blowdown work to stir spheroid rotation next time until the driving lever, along with reciprocating of charge device's work drive transfer line makes the blow-off pipe circulation open and close, regularly clear up sludge accumulation tank bottom.

The invention has the beneficial effects that:

drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a transmission mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic view of a dispensing device according to an embodiment of the present invention;

FIG. 4 is a schematic view of a swivel ring according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of a stirring mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a pull through in accordance with an embodiment of the present invention;

FIG. 7 is a schematic diagram of a sphere according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a driving unit according to an embodiment of the present invention;

FIG. 9 is a schematic view of a driving wheel according to an embodiment of the present invention;

FIG. 10 is a schematic view of a movable rod according to an embodiment of the present invention;

the examples in the figures are: 1. a clarification tank; 11. a water distribution cavity; 12. a flocculation chamber; 13. a first clarification chamber; 14. a second clarification chamber; 15. a water outlet cavity; 16. a water inlet pipe; 17. a sludge accumulation tank; 171. a sewage draining groove; 18. a blow-off pipe; 19. a partition plate; 191. a sewage draining hole; 192. water passing holes;

2. a dosing device; 21. a housing; 22. a spray head; 23. a drug delivery line; 24. a first chamber; 25. a second chamber; 26. a rotating shaft; 261. a first valve port; 262. a second valve port; 263. a water delivery channel; 264. a water delivery tank; 27. a motor; 28. a valve core; 281. a spring; 282. a sliding sleeve; 29. a transmission rod 291, a hook block;

3. a transmission mechanism; 31. a driving gear; 32. a driven gear; 33. a first bevel gear; 34. a rotating ring; 35. a drive ring; 36. a support cylinder;

4. a stirring mechanism; 41. a fixed shaft; 42. a second bevel gear; 43. a stirring rod; 44. a stirring paddle; 45. a third bevel gear; 46. a stirring shaft; 47. stirring blades;

5. an opening and closing unit; 51. a mounting ring; 52. a sphere; 53. a trapway; 54. a poking groove;

6. a dredging unit; 61. a conveying roller; 62. a support frame; 63. a first support shaft; 64. a first conveyor belt; 65. a deflector rod;

7. a drive unit; 71. a first drive pulley; 72. a second transmission wheel; 73. a second conveyor belt; 74. a drive wheel; 741. a wheel body; 742. a limiting block; 743. a movable rod.

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 obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

Example 1

As shown in fig. 1 to 5, the invention discloses a multiple-effect clarification system, which comprises a clarification tank 1, wherein the clarification tank is a circular tank body, a water distribution cavity 11 is arranged at the center of the clarification tank 1, and a flocculation cavity 12, a first clarification cavity 13, a second clarification cavity 14 and a water outlet cavity 15 are sequentially arranged in the clarification tank 1 in a ring shape from inside to outside around the water distribution cavity 11; the water inlet pipe 16 is arranged at the bottom of the water distribution cavity 11 and is used for conveying water to be treated to the water distribution cavity 11; the purification integrated machine is arranged at the upper end of the clarification tank 1 and acts on the flocculation cavity 12, the first clarification cavity 13 and the second clarification cavity 14; the clarification device is arranged in the second clarification cavity 14; the sludge accumulation tank 17 is arranged at one side of the bottom of the flocculation cavity 12 close to the water distribution cavity 11, the bottom wall of the clarification tank 1 is gradually inclined towards the sludge accumulation tank 17, and a sewage discharge pipe 18 is arranged at the bottom of the sludge accumulation tank 17; the dosing device 2 is arranged on the water inlet pipe 16 and is used for adding a coagulant into the water inlet pipe 16; the dredging device is arranged in the sludge accumulation groove 17 and is controlled by the chemical adding device 2 to open and close the blow-off pipe 18; the water distribution cavity 11, the flocculation cavity 12, the first clarification cavity 13, the second clarification cavity 14 and the water outlet cavity 15 are separated by partition plates 19, the bottom of each partition plate 19 is provided with a sewage discharge hole 191, the upper end of each sewage discharge hole 191 is provided with a water through hole 192 on each partition plate 19, and the bottom of the water outlet cavity 15 is provided with a water outlet pipe.

During clarification, water to be treated enters a water distribution cavity through a water inlet pipe, a coagulant is added into the water inlet pipe through a dosing device, the water fully mixed with the coagulant is continuously introduced into the water to be treated, the water in the water distribution cavity sequentially enters a flocculation cavity, a first clarification cavity, a second clarification cavity and a water outlet cavity, the water to be treated is firstly subjected to reinforced flocculation in the flocculation cavity by a purification all-in-one machine, sludge and water after reinforced flocculation enter the first clarification cavity to realize sludge and water separation under the action of the purification all-in-one machine, the separated water continuously enters the second clarification cavity, fine suspended particles in the water are further removed under the action of the purification all-in-one machine and the clarification device, and then the water enters the water outlet cavity to be discharged for use; meanwhile, the sludge moves to the sludge accumulation groove through the sewage discharge hole of the partition plate and enters the sludge accumulation groove; and discharging the sludge in the sludge accumulation groove from the sewage discharge pipe through the dredging device.

In this embodiment, the dosing device 2 includes a housing 21 fixed at the lower end of the water inlet pipe 16, a nozzle 22 is installed at the upper end of the housing 21, the nozzle 22 penetrates into the water inlet pipe 16, a medicine delivery pipeline 23 for delivering a coagulant into the housing 21 is installed at the bottom of the housing 21, a first cavity 24 and a second cavity 25 are respectively opened at the upper end and the lower end of the interior of the housing 21, and the first cavity 24 is communicated with the nozzle 22; a rotating shaft 26 vertically arranged inside the housing 21, wherein the upper end of the rotating shaft is provided with a water delivery channel 263, the water delivery channel is respectively communicated with the first chamber 24 and the second chamber 25 through a first valve port 261 and a second valve port 262, the lower end of the rotating shaft 26 is arranged in a gap with the housing 21, the lower end of the side wall of the rotating shaft 26 is provided with a water delivery groove 264, and the water delivery groove is communicated with the drug delivery pipeline 23 and the second chamber 25; a motor 27 installed at the bottom of the housing 21 for controlling the rotation of the rotation shaft 26; a valve core 28, disposed in the first cavity, connected to the rotating shaft 26 through a spline and connected to the rotating shaft 26 in a vertically sliding manner, and a lower end of the valve core is connected to the housing 21 through a spring 281 (it should be noted that one end of the spring is fixed to the housing), where the valve core 28 is provided with a sliding sleeve 282, and the sliding sleeve 282 can open and close the first valve port 261; the transmission rod 29 is arranged at the upper end of the valve core 28 and can be in contact with the top of the valve core, the transmission rod and the rotating shaft are coaxially arranged, a return spring is sleeved on the transmission rod 29, the bottom of the return spring is fixedly connected with the bottom of the transmission rod, and the top of the return spring is in contact with the top wall in the shell; the driving rod 29 is passed up through the housing 21 to the interior of the inlet pipe 16 and into contact with the pull through.

When the dosing device works, water to be treated is input from a water inlet pipe, the dosing device is started at the same time, firstly, a coagulant is added into the shell from a medicine conveying pipeline, a starting motor drives a rotating shaft to rotate, as a valve core is connected with a spline of the rotating shaft, the valve core rotates along with the rotation of the rotating shaft, the coagulant enters the second chamber through a water conveying groove and is driven to rotate by the rotation of the rotating shaft, the rotatably conveyed coagulant enters the water conveying channel from the second valve port and enters the first chamber from the first valve port, and the rotating coagulant is sprayed into the water to be treated in the water inlet pipe by a spray head to be mixed; when the coagulant enters the first cavity, due to the arrangement of the spray head, pressure drop can be generated in the first cavity, the coagulant in the first cavity pushes the valve core to extrude the spring, the sliding sleeve moves downwards along with the valve core and closes the first valve port, when the spray head sprays the coagulant in the first cavity into the water inlet pipe, the pressure in the first cavity is reduced, the spring pushes the valve core to move upwards to be in contact with the transmission rod and push the transmission rod upwards, and drives the transmission rod to rotate, when the valve core descends, the transmission rod moves downwards under the action of the reset spring and the self gravity, and the coagulant is added into the water inlet pipe along with the up-and-down movement of the valve core, so that the transmission rod is driven to rotate and stretch and move up and down.

Through the technical scheme, the coagulant is driven to generate rotational flow in the conveying process and then is sprayed out through the spray head, so that the sprayed coagulant can rotate to enter the water inlet pipe to a certain extent, impact convection and rotating convection can be generated when the water to be treated is mixed with the coagulant, the coagulant is mixed with the water to be treated when the water to be treated is fed, and the coagulant is stable and convenient to feed.

In this embodiment, the water inlet pipe 16 is provided with a stirring mechanism 4 on a side of the spray head 22 facing the water distribution tank, the stirring mechanism 4 is connected with a transmission rod 29 through a transmission mechanism 3 and driven by the transmission rod 29, and the transmission mechanism 3 comprises a driving gear 31 fixed on the transmission rod 29; the driven gear 32 is rotatably arranged on the water inlet pipe 16 through a rotating shaft and is vertically arranged, and the driven gear 32 is in meshing transmission with the driving gear 31; a first bevel gear 33 fixed to a lower end of the driven gear 32; the rotating ring 34 is rotatably installed on the inner wall of the water inlet pipe 16 through a bearing, a transmission ring 35 is fixed on one side of the rotating ring 34 facing the first conical gear 33, conical teeth are arranged on the inner side of the transmission ring 35, and the transmission ring 35 is in meshing transmission connection with the first conical gear 33 through the conical teeth; the center of the rotating ring 34 is provided with a supporting cylinder 36 which is arranged in parallel with the water inlet pipe 16, the supporting cylinder 36 is fixed on the rotating ring 34 through a supporting rod, the stirring mechanism 4 is arranged on the supporting cylinder 36, the height of the driven gear is larger than that of the driving gear, and when the driving rod drives the driven gear to move up and down, meshing transmission between the driving gear and the driven gear is ensured.

In this embodiment, the stirring mechanism 4 includes a fixed shaft 41, which is disposed at the bottom of the stirring cylinder and one end of which penetrates through the stirring cylinder; a second bevel gear 42 fixedly mounted on the fixed shaft 41; the stirring rods 43 are uniformly arranged on the outer side of the second bevel gear 42 in the circumferential direction, the middle parts of the fixing shafts 41 are rotatably arranged on the fixing cylinders through buckles, and stirring paddles 44 are arranged on the fixing shafts 41; and a third bevel gear 45 fixed to an end of each of the stirring rods 43 facing the second bevel gear 42 and in meshing transmission with the second bevel gear 42.

In this embodiment, a stirring shaft 46 is vertically fixed at the upper end of the driven gear 32, and a stirring blade 47 is mounted on the stirring shaft 46.

When the stirring mechanism works, the valve core in the dosing device rotates, moves up and down and can be in contact with the transmission rod, the transmission rod can rotate, the driving gear on the transmission rod rotates along with the transmission rod, the driving gear rotates to drive the driven gear and the first conical gear at the lower end of the driven gear to rotate, the driven gear rotates, the stirring shaft and the stirring blades at the upper end of the driven gear horizontally rotate along with the driven gear, a coagulant is preliminarily mixed with water to be treated, meanwhile, the transmission ring is meshed with the first conical gear, the first conical gear drives the transmission ring to rotate so as to drive the rotating ring and the supporting cylinder on the rotating ring to rotate, the stirring rod is arranged on the supporting cylinder, the stirring rod rotates along with the rotation of the supporting cylinder to mix and stir the coagulant and the water to be treated, the second conical gear on the fixed shaft and the fixed shaft rotates along with the supporting cylinder, so that the third conical gear rotates, and the stirring rod rotates along with the rotation of the third conical gear to drive the stirring paddle to stir.

Through the technical scheme, the action through charge device drives simultaneously, rotation through the stirring leaf, the puddler realizes the stirring of three not equidirectional around the rotation of a support section of thick bamboo and the rotation that the puddler drove the stirring rake, the rotation of three not equidirectional simultaneously is also different with the direction that the coagulant strikes and gets into in the inlet pipe, the mixing stirring that drives four directions simultaneously through charge device adds medicine promptly, with coagulant and pending water intensive mixing, it is high to mix the degree of consistency, mix fully, and rabbling mechanism is along with the action of charge device and moves, when not adding medicine, the rabbling mechanism is out of work, rabbling mechanism in time links when adding medicine stirs, need not establish the power supply of rabbling mechanism specially, and control is convenient.

Example 2

As shown in fig. 6 to 10, a sewage draining groove 171 is further formed in the bottom of the sludge accumulating groove 17, the dredging device is located in the sewage draining groove 171, the bottom of the sludge accumulating groove 17 is inclined towards the dredging device, the sewage draining pipe 18 is located on one side of the dredging device, and the dredging device comprises an opening and closing unit 5 which is arranged at one end, close to the sewage draining groove 171, in the sewage draining pipe 18 and used for opening and closing the sewage draining pipe 18; the dredging unit 6 is arranged in the sewage draining groove 171, is controlled and driven by the transmission rod 29, and is connected with the opening and closing unit 5 to control the opening and closing unit 5 to work.

In this embodiment, the opening and closing unit 5 comprises a mounting ring 51 fixed on the inner wall of the sewage draining pipe 18; a ball 52 fixed to the mounting ring 51 and rotatable on the mounting ring 51; a drainage channel 53 is arranged in the sphere 52, the drainage channel 53 is communicated with the left side and the right side of the sphere 52, and the direction of the drainage channel 53 of the sphere 52 is changed when the sphere 52 rotates; toggle slots 54 are uniformly arranged outside the ball body 52.

In this embodiment, the dredging unit 6 comprises two conveying rollers 61, the conveying rollers 61 are mounted in the sewage draining groove 171 through a supporting frame 62, and the conveying rollers 61 are rotatably mounted on the supporting frame 62 through a first supporting shaft 63; the first conveyor belt 64 is arranged on the conveyor roller 61 in a tensioning mode and is controlled to rotate anticlockwise by the conveyor roller 61; the poking rods 65 are uniformly arranged on the first conveyor belt 64 and can be inserted into the poking grooves 54 to poke the spheres 52 to rotate when the first conveyor belt 64 is conveyed; and the driving unit 7 is used for driving the conveying roller 61 to rotate and is controlled and driven by the transmission rod 29.

In the present embodiment, the drive unit 7 comprises a first drive wheel 71 fixed to the first support shaft 63; a second transmission wheel 72 rotatably mounted on the supporting frame 62 through a second supporting shaft; a second conveyor belt 73 tensioned on the first drive wheel 71 and the second drive wheel 72; and a drive wheel 74 fixed on the second support shaft; the driving wheel 74 comprises a wheel body 741 fixed on the second supporting shaft, and the transmission rod 29 is located on one side of the wheel body 741; the limiting blocks 742 are uniformly fixed on the outer wall of the wheel body 741; a movable rod 743, the bottom of which is hinged to the limiting block 742; a hook block 291 is fixed on one side of the upper end of the transmission rod facing the wheel body; the movable rod 743 can rotate anticlockwise around the limiting block 742, and when the movable rod 743 rotates to be flush with the limiting block 742, the rotation is limited by the limiting block 742; when the transmission rod 29 moves upwards, the transmission rod 29 can toggle the movable rod 743 to rotate upwards, and when the transmission rod 29 moves downwards, the movable rod 743 is toggled to move downwards to drive the wheel body 741 to rotate.

When dredging and discharging sewage, when the dosing device drives the transmission rod to move up and down in a telescopic manner, when the transmission rod moves down, the hook block on the transmission rod is in contact with the movable rod on the wheel body of the driving wheel, the movable rod cannot rotate downwards continuously due to the limited block, the hook block of the transmission rod drives the movable rod to move downwards so that the wheel body rotates clockwise, the transmission rod and the hook block are in contact with the movable rod when ascending, the movable rod does not rotate anticlockwise and does not rotate due to the limitation of the movable rod by the limiting block; because the wheel body rotates and drives second back shaft and second drive wheel and rotate, the second drive wheel passes through the second conveyer belt and drives first drive wheel and first back shaft and rotate, thereby make the driving roller rotate, and then make first conveyer belt carry, the driving lever of first conveyer belt upper end moves towards the blow-down pipe direction, when first conveyer belt is carried, carry the accumulational mud in sludge accumulation tank bottom to the blow-down pipe, simultaneously because the transport of first conveyer belt, the driving lever rotates to spheroid direction and drives the spheroid to rotate ninety degrees in inserting spheroidal striking trough, spheroidal blow-down passage rotates to the horizontality intercommunication blow-down pipe thereupon along with spheroidal rotation, carry out blowdown work, it makes blow-down passage rotate to vertical state to close blow-down pipe and stop blowdown work to next striking lever stir spheroid rotation, carry out desilting discharge to sludge accumulation tank bottom with this circulation.

Through the technical scheme, through pull throughs's setting, it reciprocates to drive the transfer line simultaneously to add medicine during operation at charge device, thereby control first conveyer belt and carry mud to the blow off pipe, the circulation of simultaneous control spheroid rotation control blow off pipe is opened and close, carry out blowdown work automatically adding medicine during operation, regularly clear up sludge accumulation tank bottom, it is convenient to clear up silt, be difficult for causing the jam, along with the work of adding medicine mechanism dredges the desilting, need not control pull throughs specially, high durability and convenient use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. A multiple effect clarification system characterized by: comprises that

The clarification tank is a circular tank body, a water distribution cavity is arranged at the center of the clarification tank, and a flocculation cavity, a first clarification cavity, a second clarification cavity and a water outlet cavity are sequentially arranged in the clarification tank around the water distribution cavity from inside to outside in an annular manner;

the water inlet pipe is arranged at the bottom of the water distribution cavity and used for conveying water to be treated to the water distribution cavity;

the purification all-in-one machine is arranged at the upper end of the clarification tank and acts on the flocculation cavity, the first clarification cavity and the second clarification cavity;

the clarification device is arranged in the second clarification cavity;

the sludge accumulation tank is arranged at one side of the bottom of the flocculation cavity close to the water distribution cavity, the bottom wall of the clarification tank gradually inclines towards the direction of the sludge accumulation tank, and a drain pipe is arranged at the bottom of the sludge accumulation tank;

the dosing device is arranged on the water inlet pipe and is used for adding a coagulant into the water inlet pipe;

the dredging device is arranged in the sludge accumulation groove, is controlled by the dosing device to open and close the drain pipe, and is used for pushing the sludge in the sludge accumulation groove to the drain pipe;

the water distribution cavity, the flocculation cavity, the first clarification cavity, the second clarification cavity and the water outlet cavity are all separated by partition plates, the bottom of each partition plate is provided with a sewage discharge hole, the upper end of each sewage discharge hole is provided with a water passing hole, and the bottom of the water outlet cavity is provided with a water outlet pipe;

the medicine adding device comprises

The device comprises a shell, a water inlet pipe, a first cavity and a second cavity, wherein the shell is fixed at the lower end of the water inlet pipe, a spray head is arranged at the upper end of the shell and penetrates into the water inlet pipe, a medicine conveying pipeline for conveying a coagulant into the shell is arranged at the bottom of the shell, the upper end and the lower end of the interior of the shell are respectively provided with the first cavity and the second cavity, and the first cavity is communicated with the spray head;

the rotating shaft is vertically arranged in the shell, the upper end of the rotating shaft is provided with a water conveying channel, the conveying channel is respectively communicated with the first cavity and the second cavity through the first valve port and the second valve port, the lower end of the rotating shaft is arranged in a gap with the shell, the lower end of the side wall of the rotating shaft is provided with a water conveying groove, and the water conveying groove is communicated with the medicine conveying pipeline and the second cavity;

the motor is arranged at the bottom of the shell and used for controlling the rotation of the rotating shaft;

the valve core is arranged in the first cavity, is connected with the rotating shaft through a spline and is in up-and-down sliding connection with the rotating shaft, the lower end of the valve core is connected with the shell through a spring, and the valve core is provided with a sliding sleeve which can open and close the first valve port;

the transmission rod is arranged at the upper end of the valve core and can be contacted with the top of the valve core, the transmission rod and the rotating shaft are coaxially arranged, a return spring is sleeved on the transmission rod, the bottom of the return spring is fixedly connected with the bottom of the transmission rod, and the top of the return spring is contacted with the top wall in the shell; the transmission rod penetrates out of the shell upwards to the interior of the water inlet pipe and is in matched contact with the dredging device;

the water distribution tank is characterized in that a stirring mechanism is arranged on one side, facing the water distribution tank, of the spray head in the water inlet pipe, the stirring mechanism is connected with a transmission rod through a transmission mechanism and driven by the transmission rod, and the transmission mechanism comprises

The driving gear is fixed on the transmission rod;

the driven gear is rotatably arranged on the water inlet pipe through a rotating shaft and is vertically arranged, and the driven gear is in meshing transmission with the driving gear;

the first conical gear is fixed at the lower end of the driven gear;

the rotating ring is rotatably installed on the inner wall of the water inlet pipe through a bearing, a transmission ring is fixed on one side of the rotating ring, which faces the first conical gear, conical teeth are arranged on the inner side of the transmission ring, and the transmission ring is in meshing transmission connection with the first conical gear through the conical teeth;

a support cylinder arranged in parallel with the water inlet pipe is arranged in the center of the rotating ring, the support cylinder is fixed on the rotating ring through a support rod, and the stirring mechanism is arranged on the support cylinder;

the sludge accumulation tank bottom has still seted up the blowdown groove, the pull throughs is located the blowdown inslot, sludge accumulation tank bottom all sets up to the pull throughs slope, the blow off pipe is located one side of pull throughs, the pull throughs includes

The opening and closing unit is arranged at one end of the sewage discharge pipe close to the sewage discharge groove and is used for opening and closing the sewage discharge pipe;

and the dredging unit is arranged in the sewage discharge groove, is controlled and driven by the transmission rod, and is connected with the opening and closing unit to control the opening and closing unit to work.

2. The multi-effect clarification system according to claim 1, characterized in that: the stirring mechanism comprises

The fixed shaft is arranged at the bottom in the stirring cylinder, and one end of the fixed shaft penetrates out of the stirring cylinder;

the second bevel gear is fixedly arranged on the fixed shaft;

the stirring rods are uniformly arranged on the outer side of the second bevel gear in the circumferential direction, the middle parts of the fixing shafts are rotatably arranged on the fixing cylinders through buckles, and stirring paddles are arranged on the fixing shafts;

and the third bevel gear is fixed at one end of each stirring rod facing the second bevel gear and is in meshed transmission with the second bevel gear.

3. The multi-effect clarification system according to claim 2, characterized in that: a stirring shaft is vertically fixed at the upper end of the driven gear, and stirring blades are installed on the stirring shaft.

4. The multi-effect clarification system according to claim 3, characterized in that: the opening and closing unit comprises

The mounting ring is fixed on the inner wall of the sewage pipe;

the ball body is fixed on the mounting ring and can rotate on the mounting ring;

a sewage discharge channel is arranged in the sphere, the sewage discharge channel is communicated with the left side and the right side of the sphere, and the orientation of the sewage discharge channel of the sphere is changed when the sphere rotates; the outside of the ball body is uniformly provided with toggle grooves.

5. The multi-effect clarification system according to claim 4, characterized in that: the dredging unit comprises

The conveying rollers are arranged in two and are arranged in the sewage draining groove through a supporting frame, and the conveying rollers are rotatably arranged on the supporting frame through a first supporting shaft;

the first conveying belt is arranged on the conveying roller in a tensioning mode and is controlled by the conveying roller to rotate anticlockwise;

the deflector rods are uniformly arranged on the first conveyor belt and can be inserted into the deflector grooves to deflect the spheres to rotate when the first conveyor belt is conveyed;

and the driving unit is used for driving the conveying roller to rotate and is controlled and driven by the transmission rod.

6. The multi-effect clarification system according to claim 5, characterized in that: the drive unit comprises

The first transmission wheel is fixed on the first supporting shaft;

the second driving wheel is rotatably arranged on the supporting frame through a second supporting shaft;

the second conveyor belt is arranged on the first transmission wheel and the second transmission wheel in a tensioning mode; and

the driving wheel is fixed on the second supporting shaft;

the driving wheel comprises

The wheel body is fixed on the second supporting shaft, and the transmission rod is positioned on one side of the wheel body;

the limiting blocks are uniformly fixed on the outer wall of the wheel body;

the bottom of the movable rod is hinged to the limiting block, and a hook block is arranged on one side, facing the wheel body, of the upper end of the transmission rod;

the movable rod can rotate anticlockwise around the limiting block, and when the movable rod rotates to be flush with the limiting block, the movable rod is limited to rotate by the limiting block; the transmission rod can stir the movable rod to rotate upwards when moving upwards, and stir the movable rod to move downwards to drive the wheel body to rotate when moving downwards.

7. A multi-effect clarification method suitable for use in a multi-effect clarification system as claimed in claim 6, comprising the steps of:

s1, adding medicine: inputting water to be treated from a water inlet pipe, starting a dosing device, adding a coagulant into the shell from a medicine conveying pipeline in the dosing device, starting a motor to drive a rotating shaft and a valve core to rotate, enabling the coagulant to enter a second chamber through a water conveying groove and to be driven to rotate by the rotation of the rotating shaft, enabling the coagulant conveyed in a rotating mode to enter a water conveying channel from a second valve port and enter a first chamber from a first valve port, and enabling a spray nozzle to spray the rotating coagulant into the water to be treated in the water inlet pipe to mix; meanwhile, when the coagulant enters the first cavity, due to the arrangement of the spray head, pressure drop can be generated in the first cavity, the coagulant in the first cavity pushes the valve core downwards to extrude the spring, the sliding sleeve moves downwards along with the valve core and closes the first valve port, when the spray head sprays the coagulant in the first cavity into the water inlet pipe, the pressure in the first cavity is reduced, the spring pushes the valve core upwards to be in contact with the transmission rod and pushes the transmission rod upwards, and the transmission rod is driven to rotate, when the valve core descends, the transmission rod moves downwards under the action of the reset spring and the self gravity, and the coagulant is driven to be added into the water inlet pipe along with the up-and-down telescopic movement of the valve core, so that the transmission rod is driven to rotate and stretch and retract up and down;

s2, stirring: when the dosing device drives the transmission rod to rotate, the driving gear on the transmission rod rotates to drive the driven gear and the first bevel gear at the lower end of the driven gear to rotate, the stirring shaft and the stirring blade at the upper end of the driven gear horizontally rotate to preliminarily mix a coagulant with the water to be treated, meanwhile, the first bevel gear drives the transmission ring to rotate so as to drive the rotating ring and the supporting cylinder on the rotating ring to rotate, the stirring rod rotates along with the stirring rod to stir, the second bevel gear rotates along with the supporting cylinder so as to drive the third bevel gear to rotate, the stirring rod rotates along with the third bevel gear to drive the stirring paddle to stir, three different-direction stirring is realized through the rotation of the stirring blade, the rotation of the stirring rod around the supporting cylinder and the rotation of the stirring paddle driven by the stirring rod, and the coagulant is fully mixed with the water to be treated;

s3, clarification: the method comprises the following steps that water to be treated fully mixed with a coagulant enters a water distribution cavity, the water to be treated is continuously introduced to enable the water in the water distribution cavity to sequentially enter a flocculation cavity, a first clarification cavity, a second clarification cavity and a water outlet cavity, firstly, the water to be treated is subjected to enhanced flocculation in the flocculation cavity by a purification all-in-one machine, sludge and water after enhanced flocculation enter the first clarification cavity to realize sludge and water separation under the action of the purification all-in-one machine, the separated water continuously enters the second clarification cavity, fine suspended particles in the water are further removed through secondary enhanced clarification under the action of the purification all-in-one machine and a clarification device, and then the water enters the water outlet cavity to be discharged for use; meanwhile, the sludge moves to the sludge accumulation groove through the sewage discharge hole of the partition plate and enters the sludge accumulation groove;

s4, dredging: when the dosing device drives the transmission rod to move up and down in a telescopic manner, when the transmission rod moves downwards, the hook block on the transmission rod is in contact with the movable rod on the wheel body of the driving wheel, the movable rod cannot rotate downwards continuously due to the limited block, the hook block of the transmission rod drives the movable rod to move downwards so that the wheel body rotates clockwise, the transmission rod and the hook block are in contact with the movable rod when rising, the movable rod does not rotate anticlockwise and does not rotate due to the limitation of the movable rod by the limited block; because the wheel body rotates and drives second back shaft and second drive wheel and rotate, the second drive wheel passes through the second conveyer belt and drives first drive wheel and first back shaft and rotate, thereby make the driving roller rotate, and then make first conveyer belt carry, the driving lever of first conveyer belt upper end moves towards the blow-off pipe direction, when first conveyer belt is carried, carry the accumulational mud in sludge accumulation tank bottom to the blow-off pipe, simultaneously because the transport of first conveyer belt, the driving lever rotates to spheroid direction and drives spheroid rotation ninety degrees in inserting spheroidal striking groove, spheroidal blow-off passage rotates to the horizontality intercommunication blow-off pipe thereupon along with spheroidal rotation blow-off passage, carry out blowdown work, it makes blow-off passage rotate to vertical state and close blow-off pipe stop blowdown work to stir spheroid rotation next time until the driving lever, along with reciprocating of charge device's work drive transfer line makes the blow-off pipe circulation open and close, regularly clear up sludge accumulation tank bottom.