CN113582329A

CN113582329A - Sewage treatment plant of environmental protection

Info

Publication number: CN113582329A
Application number: CN202110884753.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Yu Guilian
Current assignee: Yu Guilian
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-11-02

Abstract

The invention discloses an environment-friendly sewage treatment device. The biological treatment device comprises a treatment tank, a sedimentation tank and a slide rail, wherein a first motor is fixedly installed at the bottom of the treatment tank, a base plate is installed at the bottom inside the treatment tank, the output end of the first motor penetrates through the base plate and is provided with a stirring disc, a biological disc is installed on a fixed shaft at the top of one end inside the treatment tank, and a second motor is installed at the top of one end of the treatment tank. According to the invention, through the arrangement position of the treatment tank, when water is discharged to the sedimentation tank, potential energy generated at the position of the treatment tank and kinetic energy generated by stirring of the stirring disc during sewage treatment are utilized, and the hydraulic generator is acted during water discharge, so that electric energy generated by the hydraulic generator is used for electrochemical treatment of sludge in the sedimentation tank, and direct power connection from a regional power grid is avoided, the power grid pressure is reduced, and meanwhile, the treatment of heavy metals in the sludge is completed, thereby being beneficial to the environment-friendly and energy-saving operation of the local region.

Description

Sewage treatment plant of environmental protection

Technical Field

The invention relates to the technical field of sewage treatment, in particular to an environment-friendly sewage treatment device.

Background

The sewage treatment is mainly used for purifying domestic sewage or production sewage by various economic, reasonable, scientific and effective processes, so that the sewage reaches the national discharge standard, the negative influence on the environment is reduced, and the sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like.

The sewage treatment processes are more and respectively advantageous, a sedimentation tank is used in common sewage processes for precipitating sewage treated by the processes, sludge is accumulated at the bottom of the sedimentation tank along with the long-term use of the sedimentation tank, and the sludge generated by precipitation contains a large amount of heavy metal elements along with the difference of the types of purified sewage, the sludge treated by the prior art is mostly recycled in the forms of land utilization, landfill, building material utilization and the like, however, the sludge containing the heavy metal elements cannot reach the condition of long-term stability and no adverse effect on the ecological environment, so the heavy metal of the sludge is treated, in the prior art, the electrochemical treatment form has certain advantages in the heavy metal treatment mode, but the electrochemical treatment mode needs to consume electric energy for a long time, and metal ions are enriched on the surface of an electrode, the method is characterized in that the method is precipitated in a precipitation or metal form, passivation of electrodes can be caused, the electrochemical treatment effect is influenced, the influence is reduced by increasing current in order to avoid reduction of the treatment effect, the operation mode improves the requirement of electric energy, the load is increased on regional power grids, and the method is not beneficial to energy conservation and emission reduction and environment protection.

Disclosure of Invention

The invention aims to provide an environment-friendly sewage treatment device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly sewage treatment device comprises a treatment tank, a sedimentation tank and a slide rail, wherein a first motor is fixedly installed at the bottom of the treatment tank, a chassis is installed at the bottom inside the treatment tank, an output end of the first motor penetrates through the chassis and is provided with a stirring disc, a biological disc is installed at the top of one end inside the treatment tank in a fixed shaft mode, a second motor is installed at the top of one end of the treatment tank, one end, away from a connection point with the treatment tank, of the biological disc is connected with the output end of the second motor through a coupler, the treatment tank is communicated with the sedimentation tank through a drain pipe, a fixing frame is installed at one end of the top of the sedimentation tank, an electrode connecting frame is installed at the inner fixed shaft of the fixing frame, one end of the electrode connecting frame penetrates through the fixing frame and extends to the outer portion of the fixing frame and is provided with a first rotating wheel, and an electrode cleaning device is installed at one end of the sedimentation tank, and a moving device is slidably arranged in the sliding rail.

Preferably, the electrode cleaning device comprises an operation chamber, the operation chamber is installed at one end of the sedimentation tank, a solar cell panel is installed at one end of the top of the operation chamber, a chamber door is hinged to the top of the operation chamber close to the middle position, a throwing opening is formed in one end of the top of the operation chamber far away from the solar cell panel, a ladder stand is installed at one side of the inside of the operation chamber, a gear set, a driven gear and a transmission disc are installed on one side of the inside of the operation chamber far away from the ladder stand, a limiting frame is installed on the bottom of the inside of the operation chamber far away from one side of the ladder stand, one end of the limiting frame penetrates through the outside of the operation chamber and is provided with a second rotating wheel, a bottom plate is installed on the side wall of the inside of the operation chamber, the inside of the operation chamber is divided into two cavities by the bottom plate, a third motor is installed at one end of the top of the bottom plate close to one side of the gear set, and a driving gear is installed at the output end of the third motor, the utility model discloses a cat ladder, including bottom plate, first supporting seat, second supporting seat, control panel, solar cell panel and third motor electric connection, the bottom plate top is close to the intermediate position and is that the oblique angle form articulates there is first supporting seat, the other end that the bottom plate top is close to the intermediate position is the oblique angle form and installs the second supporting seat, the equal dead axle in top that cat ladder one side was kept away from to first supporting seat and second supporting seat is installed two for a set of two sets of wheels altogether, cat ladder one side bottom is kept away from to first supporting seat and is installed the stator, the bottom dead axle that cat ladder one side was kept away from to the second supporting seat is installed the connecting plate, control panel is installed near cat ladder one side to the control chamber inside, control panel and solar cell panel and third motor electric connection.

Preferably, the mobile device includes the backup pad, two sets of installation pieces are all installed, two sets of to the inside of having seted up four mounting grooves and mounting groove side by side in the bottom of backup pad the pulley is installed to the bottom dead axle of installation piece, backup pad top intermediate position rotates through the carousel and installs hydraulic generator, hydraulic generator's input intercommunication has the access pipe, set up the top of carousel in the backup pad and install and insert the support frame of managing looks adaptation, the block terminal is installed to the opposite side of the backup pad top other end, a side-mounting buffering head of backup pad, the direction that sets up that inserts the pipe sets up the direction the same with the buffering head, the end of slide rail is provided with the buffer block with buffering head looks adaptation, block terminal and hydraulic generator electric connection.

Preferably, the number of sedimentation tank is two and is connected with two sides of handling the pond looks vertically respectively, the setting height in handling the pond is higher than the setting position of sedimentation tank, the drain pipe is close to and handles pond one end and is provided with the valve, the top of agitator disk is provided with a plurality of mutual symmetry's wavy arch.

Preferably, the gear train is provided with two engaged with gears, and a gear meshes with the driving gear mutually, and another gear meshes with driven gear mutually, driven gear passes through the belt and is connected with the driving disc transmission, it is connected with the driven gear transmission through the belt respectively to set up two sets of emery wheels of polishing on the first supporting seat, it is connected with the driving disc transmission through the belt respectively to set up two sets of emery wheels of polishing on the second supporting seat, the surface cover of emery wheel is equipped with the area of polishing.

Preferably, an arc-shaped sliding hole matched with the stator is formed in one end, far away from the connection point of the connecting plate and the second supporting seat, and the connecting plate is connected with the stator in a sliding mode through the arc-shaped sliding hole.

Preferably, the mounted position of spacing is located between first supporting seat and the second supporting seat, the both ends of spacing are provided with the oval cambered surface that contacts with first supporting seat and second supporting seat surface, the inside that two through-holes and this through-hole were seted up to the lateral wall of second runner runs through there is the bolt, the surface of sedimentation tank set up with the second runner on set up the picture peg of bolt looks adaptation.

Preferably, the bottom plate is internally provided with a plurality of groups of through holes, the top of the through holes is provided with a screen through bolt and screw holes, and the side wall of one end, which is far away from the third motor, of the operating room, which is positioned in the space below the bottom plate, is provided with an inclined plane.

Preferably, the bottom of the hydraulic generator is provided with two water outlets which are symmetrical to each other and are provided with sealing cover plates in a threaded manner, the setting direction of the water outlets is perpendicular to the setting direction of the access pipe, the sedimentation tank is provided with a port which corresponds to the position of the water outlet arranged at the bottom of the hydraulic generator and is provided with the sealing cover plates in a threaded manner, and the port of the drain pipe and the sedimentation tank is provided with the sealing cover plates in a threaded manner.

Preferably, one end of the drain pipe close to the sedimentation tank is provided with a connector which is matched with the access pipe and is provided with a sealing cover plate in a threaded manner.

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

1. this sewage treatment plant of environmental protection, through the position that sets up of handling the pond, when drainage to sedimentation tank, utilize the potential energy that the handling pond position produced, and the kinetic energy that stirs the production by the agitator disk during sewage treatment, through doing work to hydraulic generator when the drainage, the electric energy that produces hydraulic generator is arranged in the electrochemical treatment of mud in the sedimentation tank, no longer directly connect the electricity from the regional electric wire netting, reduce electric wire netting pressure, accomplish the processing to heavy metal in the mud simultaneously, be favorable to going on of local area environmental protection energy saving.

2. This sewage treatment plant of environmental protection, through the processing form that utilizes the bio-disc, it is low to possess the energy consumption, characteristics that the treatment effeciency is high can be effectively to the purification treatment of organic matter in the sewage to the stirring of cooperation agitator disk makes sewage be in mobile state, and sewage can fully contact with the bio-disc, improves purifying effect, and the rivers that flow play the washing effect to the bio-disc, washes the ageing biomembrane that produces on the bio-disc, and discharges along with sewage after handling together.

3. This sewage treatment plant of environmental protection utilizes solar energy natural resources to produce the electric energy to act on the motor that the drive wheel moved of polishing with the electric energy, the production of electric energy can not produce secondary pollution, and carry out effectual back of polishing to the plate electrode, still can improve electrochemical treatment efficiency, and the metal debris after polishing concentrates in the closed environment and collects, also avoids producing the influence to external environment, reaches the purpose of environmental protection.

Drawings

FIG. 1 is a schematic top view of the relationship between the treatment tank, the sedimentation tank and the slide rails according to the present invention;

FIG. 2 is a sectional view showing the internal structure of a treatment tank according to the present invention;

FIG. 3 is a schematic sectional view of the inner structure of the operation chamber of the present invention;

FIG. 4 is a schematic diagram of a mobile device according to the present invention;

FIG. 5 is a schematic view of the internal structure of the sedimentation tank according to the present invention;

FIG. 6 is a front view showing the positional relationship between the treating tank and the settling tank according to the present invention;

FIG. 7 is an enlarged view of the structure of the portion A in FIG. 1;

fig. 8 is an enlarged view of the structure of the portion B in fig. 3.

In the figure: 1. a treatment tank; 2. a sedimentation tank; 3. a slide rail; 4. a first motor; 5. a chassis; 6. a stirring plate; 7. a bio disc; 8. a second motor; 9. a fixed mount; 10. an electrode connection frame; 11. a first runner; 12. an operation chamber; 13. a solar panel; 14. a chamber door; 15. a throwing port; 16. climbing a ladder; 17. a gear set; 18. a driven gear; 19. a drive plate; 20. a limiting frame; 21. a second runner; 22. a third motor; 23. a driving gear; 24. a first support base; 25. a second support seat; 26. grinding the wheel; 27. a stator; 28. a connecting plate; 29. a base plate; 30. a support plate; 31. mounting blocks; 32. a pulley; 33. a hydro-generator; 34. an access pipe; 35. a distribution box; 36. a buffer head; 37. a control panel; 38. and a water discharge pipe.

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. 1-8, an embodiment of the present invention: an environment-friendly sewage treatment device comprises a treatment tank 1, a sedimentation tank 2 and a slide rail 3, wherein the bottom of the treatment tank 1 is fixedly provided with a first motor 4, the bottom inside the treatment tank 1 is provided with a chassis 5, the output end of the first motor 4 penetrates through the chassis 5 and is provided with a stirring disc 6, the top of one end inside the treatment tank 1 is provided with a biological disc 7 in a fixed shaft manner, the top of one end inside the treatment tank 1 is provided with a second motor 8, one end of the biological disc 7, far away from the connection point with the treatment tank 1, is connected with the output end of the second motor 8 through a coupler, the treatment tank 1 is communicated with the sedimentation tank 2 through a drain pipe 38, one end of the top of the sedimentation tank 2 is provided with a fixed frame 9, the fixed shaft inside the fixed frame 9 is provided with an electrode connecting frame 10, one end of the electrode connecting frame 10 penetrates through the fixed frame 9 and extends to the outside of the fixed frame 9 and is provided with a first rotating wheel 11, one end of the sedimentation tank 2 is provided with an electrode cleaning device, a moving device is slidably mounted inside the sliding rail 3.

In the embodiment, the electrode cleaning device comprises an operation chamber 12, the operation chamber 12 is installed at one end of a sedimentation tank 2, a solar cell panel 13 is installed at one end of the top of the operation chamber 12, a chamber door 14 is hinged at the top of the operation chamber 12 close to the middle position, a throwing port 15 is opened at one end of the top of the operation chamber 12 far away from the solar cell panel 13, a ladder stand 16 is installed at one side of the inside of the operation chamber 12, a gear set 17, a driven gear 18 and a transmission disc 19 are installed at one side fixed shaft of the inside of the operation chamber 12 far away from the ladder stand 16, a limiting frame 20 is installed at the bottom fixed shaft of the inside of the operation chamber 12 far away from the ladder stand 16, one end of the limiting frame 20 penetrates through the outside of the operation chamber 12 and is provided with a second rotating wheel 21, a bottom plate 29 is installed at the side wall of the inside of the operation chamber 12, the inside of the operation chamber 12 is divided into two cavities by the bottom plate 29, a third motor 22 is installed at one end of the top of the bottom plate 29 close to one side of the gear set 17, driving gear 23 is installed to third motor 22's output, bottom plate 29 top is close to the intermediate position and is that the oblique angle form articulates there is first supporting seat 24, bottom plate 29 top is close to the other end of intermediate position and is the oblique angle form and installs second supporting seat 25, first supporting seat 24 and second supporting seat 25 are kept away from the equal dead axle in top on cat ladder 16 one side and are installed two and be a set of two sets of wheels 26 that polish altogether, first supporting seat 24 is kept away from cat ladder 16 one side bottom and is installed stator 27, second supporting seat 25 is kept away from the bottom dead axle on cat ladder 16 one side and is installed connecting plate 28, control panel 37 is installed near cat ladder 16 one side to control chamber 12 inside, control panel 37 and solar cell panel 13 and third motor 22 electric connection.

In this implementation, the mobile device includes backup pad 30, two sets of installation pieces 31 are all installed to the inside of four mounting grooves and mounting groove seted up side by side to the bottom of backup pad 30, pulley 32 is installed to the bottom dead axle of two sets of installation pieces 31, backup pad 30 top intermediate position rotates through the carousel and installs hydraulic generator 33, hydraulic generator 33's input intercommunication has access pipe 34, the support frame with access pipe 34 looks adaptation is installed at the top that sets up the carousel on backup pad 30, block terminal 35 is installed to the opposite side of the backup pad 30 top other end, a side-mounting buffer head 36 of backup pad 30, access pipe 34 set up the direction the same with buffer head 36 sets up the direction, the end of slide rail 3 is provided with the buffer block with buffer head 36 looks adaptation, buffer block cooperation buffer head has played to set up on hydraulic generator 33 and has accessed pipe 34 towards the effect of referring to, block terminal 35 and hydraulic generator 33 electric connection.

In this implementation, the quantity of sedimentation tank 2 is two and is connected with two sides of handling pond 1 looks vertically respectively, and the setting position that sets up of handling pond 1 highly is higher than sedimentation tank 2, and drain pipe 38 is close to and handles 1 one end in pond and is provided with the valve, and the top of agitator disk 6 is provided with a plurality of mutual symmetries's wavy arch, and the height of handling pond 1 sets up to rivers and has improved the potential energy, and the wavy arch that agitator disk 6 top set up can stir rivers and provide kinetic energy.

In this implementation, gear train 17 is provided with two engaged with gears, and a gear meshes with driving gear 23 mutually, another gear meshes with driven gear 18 mutually, driven gear 18 passes through the belt and is connected with the transmission of drive plate 19 transmission, it is connected with driven gear 18 transmission respectively to set up two sets of wheel 26 of polishing on the first supporting seat 24, set up two sets of wheels 26 of polishing on the second supporting seat 25 and be connected with drive plate 19 transmission through the belt respectively, the surface cover of wheel 26 of polishing is equipped with the area of polishing.

In this embodiment, an arc-shaped sliding hole adapted to the stator 27 is disposed at one end of the connecting plate 28 away from the connection point with the second supporting seat 25 and is slidably connected to the stator 27 through the arc-shaped sliding hole, so that when the first supporting seat 24 is influenced by the rotation of the limiting frame 20 to be close to the second supporting seat 25, the connecting plate 28 limits the movement track of the first supporting seat 24.

In this implementation, the mounted position of spacing 20 is located between first supporting seat 24 and the second supporting seat 25, the both ends of spacing 20 are provided with the oval cambered surface that contacts with first supporting seat 24 and second supporting seat 25 surface, the inside of two through-holes and this through-hole is seted up to the lateral wall of second runner 21 runs through there is the bolt, the surface of sedimentation tank 2 set up with the second runner 21 on set up the picture peg of bolt looks adaptation, through the oval cambered surface that spacing 20 set up, when spacing 20 rotated, the interval between first supporting seat 24 and the second supporting seat 25 can change, make the operation of polishing of laminating electrode plate surface that can better of wheel 26, and the rotational position of spacing 20 can be fixed to cooperation bolt and picture peg.

In this implementation, the screen cloth is installed through the bolt screw at the inside top of having seted up multiunit through-hole and this through-hole of bottom plate 29 inside, and the control chamber 12 is located and keeps away from third motor 22 one end lateral wall in the space of bottom plate 29 below and is provided with the inclined plane to the metal debris that polish falls into the space of bottom plate 29 below through the screen cloth and concentrates the collection, when retrieving, demolishs the screen cloth through dismantling the bolt, gets into the space of bottom plate 29 below, realizes retrieving the piece.

In this implementation, hydraulic generator 33 bottom is provided with two mutual symmetries and the delivery port that sealed apron was installed to the screw thread and this delivery port setting direction is mutually perpendicular with the setting direction that inserts pipe 34, sedimentation tank 2 sets up the interface that sets up the corresponding and screw thread installation of delivery port position and sealed apron in the sedimentation tank 33 bottom, drain pipe 38 and sedimentation tank 2 interface threaded mounting have sealed apron, set up sealed apron with the threaded mounting mode, it is inside to avoid appearing that drain pipe 38 normally introduces hydraulic generator 33 with sewage, flow to sedimentation tank 2 after, flow back to in another drain pipe 38, hydraulic generator 33 and sedimentation tank 2 are after dismantling sealed apron in addition, still can connect through taking the screwed pipeline.

In this embodiment, the end of the drain pipe 38 close to the sedimentation tank 2 is provided with an interface which is matched with the access pipe 34 and is provided with a sealing cover plate in a threaded manner, and through the arranged sealing cover plate, when electrochemical treatment is not performed, normal drainage of the drain pipe is not affected, and when electrochemical treatment is performed, through connection of the access pipe 34 and the interface on the drain pipe 38, it is ensured that water flows to the sedimentation tank 2 through the hydraulic generator 33.

In the embodiment 1, according to fig. 1-2 and fig. 4-8, when the water is discharged from the treatment tank 1, the water flow is stirred by the stirring disc 6, the sewage is in a flowing state, the sewage can be in full contact with the bio-disc 7, the purification effect is improved, and the flowing water flow plays a role in washing the bio-disc 7, so that an aging biofilm generated on the bio-disc 7 is washed away and is discharged along with the treated sewage, the water flow has kinetic energy and potential energy by matching with the height of the treatment tank 1, and the kinetic energy and the potential energy of the water flow are utilized to drive the hydraulic generator 33 to generate electricity and act on the electrode connecting frame 10, so that the electrochemical treatment of the sludge is realized, the electricity is not directly connected from a regional power grid, the pressure of the power grid is reduced, and the treatment of heavy metals in the sludge is completed at the same time, thereby being beneficial to the environment-friendly and energy-saving of the local region.

In embodiment 2, according to fig. 3, after the electrochemical treatment of the electrode, metal particles are enriched on the surface of the electrode to passivate the electrode, the electrode plate which is taken out and passivated is fed into the operation chamber 12 through the feeding port 15 formed at the top of the operation chamber 12 and placed between the first support seat 24 and the second support seat 25, the bottom of the electrode plate is placed on the connecting plate 28, the second rotating wheel 21 connected with the limiting frame 20 is rotated to adjust the distance between the first support seat 24 and the second support seat 25, so that the first support seat 24 and the second support seat 25 are attached to the surface of the electrode plate, the electric energy is generated by using natural solar energy resources and acts on the motor driving the polishing wheel 26 to act, the electric energy is not subjected to secondary pollution, the electrochemical treatment efficiency can be improved after the electrode plate is effectively polished, and the polished metal debris is collected in a closed environment, the influence on the external environment is avoided, and the purpose of environmental protection is achieved.

The working principle is as follows: after sewage that will need to handle leads to treatment tank 1 through the outside pipeline, start second motor 8, through the rotation of 8 output ends of second motor, in order to drive bio-disc 7 and rotate, because 7 partial quotations of bio-disc are located the sewage level, consequently along with the rotation of bio-disc 7, the biomembrane of bio-disc 7 alternate motion is between air and sewage, handle sewage, along with bio-disc 7 after sewage treatment a period of time, discharge the sewage in the treatment tank 1 to deposit in the sedimentation tank 2, treat that sedimentation tank 2 deposits the completion back, discharge the sewage after handling.

Along with the long-term sedimentation of the sedimentation tank 2, when a large amount of sludge is accumulated at the bottom of the sedimentation tank 2 and the sludge needs to be treated, the biological disc 7 in the treatment tank 1 rotates, the first motor 4 is also started, the stirring disc 6 is driven to rotate through the rotation of the output end of the first motor 4, water flow is rapidly stirred through the wavy bulge arranged at the top of the stirring disc 6, the moving device is pushed on the sliding rail 3, the hydraulic generator 33 and the distribution box 35 are moved to the front of the sedimentation tank 2 which needs to receive sewage for sedimentation through the moving device, the orientation of the access pipe arranged on the hydraulic generator 33 is adjusted, the access pipe 34 is accessed to the corresponding position of the drain pipe 38, then the output end of the hydraulic generator 33 is connected with the sedimentation tank 2 through the pipeline, and is electrically connected with the electrode connecting frame 10 arranged in the sedimentation tank 2 which electrically treats the sludge through the distribution box 35, after the connection is completed, the valve on the drainage pipe 38 connected with the corresponding sedimentation tank 2 is opened again for the treatment tank 1, the sealing of the interface between the drainage pipe 38 and the sedimentation tank 2 is ensured, the sealing of the interface between the other drainage pipe 38 and the other sedimentation tank 2 and the closing of the valve on the other drainage pipe 38 are ensured, because the position of the treatment tank 1 is higher than the position of the sedimentation tank 2, and meanwhile, the kinetic energy of the sewage stirred is higher than the position of the sedimentation tank 2, after the valve is opened, the sewage flows through the water wheel generator 33 through the drainage pipe 38, the kinetic energy and the potential energy of the water flow are utilized to generate electricity through the water wheel generator 33, the power is supplied to the electrode connection frame 10, and the electrochemical treatment is carried out on the heavy metal in the sludge in the sedimentation tank 2.

Following the electrochemical treatment of the electrode, metal particles are enriched on the surface of the electrode, leading to electrode passivation and affecting the treatment efficiency, at this time, under the condition that the electrode connection frame 10 is ensured not to be electrified, the electrode connection frame 10 is rotated to the horizontal position by rotating the first rotating wheel 11, so as to take out the electrode plate, the taken-out electrode plate is sent into the interior of the operation chamber 12 through the putting-in opening 15 arranged at the top of the operation chamber 12 and is placed between the first supporting seat 24 and the second supporting seat 25, the bottom of the electrode plate is placed on the connecting plate 28, then the second rotating wheel 21 connected with the limiting frame 20 is rotated, the distance between the first supporting seat 24 and the second supporting seat 25 is adjusted, so that the first supporting seat 24 and the second supporting seat 25 are attached to the surface of the electrode plate, the solar cell panel 13 is used for supplying power to the third motor 22, the driving gear 23 is driven to rotate through the output end of the third motor 22 by starting the third motor 22, through the meshing between driving gear 23 and the gear train 17, it rotates to drive gear train 17, and through the meshing between gear train 17 and the driven gear 18, drive driven gear 18 rotates, and then driven gear 18 drives driving disc 19 through the belt and rotates, driving disc 19 and driven gear 18 have and drive the mill through the belt respectively and rotate, through the layer of polishing that sets up on the pivoted mill, polish the metal coating film that forms on the electrode plate surface, the metal piece after polishing, through the screen cloth on the bottom plate 29, leak the space to bottom plate 29 below and concentrate the collection.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a sewage treatment plant of environmental protection, includes treatment tank (1), sedimentation tank (2) and slide rail (3), its characterized in that: the bottom of the treatment pool (1) is fixedly provided with a first motor (4), the bottom of the interior of the treatment pool (1) is provided with a chassis (5), the output end of the first motor (4) penetrates through the chassis (5) and is provided with a stirring disc (6), the top of the interior of the treatment pool (1) is provided with a biological disc (7) in a fixed shaft manner, the top of one end of the treatment pool (1) is provided with a second motor (8), one end of the biological disc (7), which is far away from a connection point of the treatment pool (1), is connected with the output end of the second motor (8) through a shaft coupling, the treatment pool (1) is communicated with the sedimentation pool (2) through a drain pipe (38), one end of the top of the sedimentation pool (2) is provided with a fixing frame (9), the interior of the fixing shaft of the fixing frame (9) is provided with an electrode connection frame (10), one end of the electrode connection frame (10) penetrates through the fixing frame (9) and extends to the exterior of the fixing frame (9) and is provided with a first rotating wheel (11), an electrode cleaning device is installed at one end of the sedimentation tank (2), and a moving device is installed inside the sliding rail (3) in a sliding mode.

2. The environmental-friendly sewage treatment plant according to claim 1, wherein: the electrode cleaning device comprises an operation chamber (12), the operation chamber (12) is installed at one end of a sedimentation tank (2), a solar cell panel (13) is installed at one end of the top of the operation chamber (12), a door (14) is hinged to the top of the operation chamber (12) close to the middle position, a throwing opening (15) is formed in one end, away from the solar cell panel (13), of the top of the operation chamber (12), a ladder stand (16) is installed on one side of the inside of the operation chamber (12), a gear set (17), a driven gear (18) and a transmission disc (19) are installed on one side, away from the ladder stand (16), of the inside of the operation chamber (12) in a fixed-axis mode, a limiting frame (20) is installed on the bottom of the inside of the operation chamber (12) in a fixed-axis mode, one end of the limiting frame (20) penetrates through the outside of the operation chamber (12) and is provided with a second rotating wheel (21), the side wall of the interior of the operation chamber (12) is provided with a bottom plate (29), the interior of the operation chamber (12) is divided into two cavities through the bottom plate (29), one end, close to one side of the gear set (17), of the top of the bottom plate (29) is provided with a third motor (22), an output end of the third motor (22) is provided with a driving gear (23), the top of the bottom plate (29) is close to the middle position and is hinged with a first supporting seat (24) in an oblique angle mode, the other end, close to the middle position, of the top of the bottom plate (29) is provided with a second supporting seat (25) in an oblique angle mode, the tops, far away from one side of the ladder stand (16), of the first supporting seat (24) and the second supporting seat (25) are respectively provided with a fixed shaft and are provided with two groups of polishing wheels (26), the bottom, far away from one side of the ladder stand (16), of the first supporting seat (24) is provided with a stator (27), the bottom, the second supporting seat (25) is provided with a fixed shaft and is provided with a connecting plate (28), a control panel (37) is installed on one side, close to the crawling ladder (16), of the interior of the operation room (12), and the control panel (37) is electrically connected with the solar cell panel (13) and the third motor (22).

3. The environmental-friendly sewage treatment plant according to claim 1, wherein: the moving device comprises a supporting plate (30), wherein two groups of installation blocks (31) are arranged in the four installation grooves which are formed in the bottom of the supporting plate (30) in parallel, a pulley (32) is installed at the bottom of each installation block (31) in a fixed shaft mode, a hydraulic generator (33) is installed at the middle position of the top of the supporting plate (30) in a rotating mode through a turntable, an access pipe (34) is communicated with the input end of the hydraulic generator (33), a supporting frame matched with the access pipe (34) is installed at the top of the supporting plate (30) in a fixed shaft mode, a distribution box (35) is installed at the other side of the other end of the top of the supporting plate (30), a buffering head (36) is installed on one side of the supporting plate (30), the setting direction of the access pipe (34) is the same as the setting direction of the buffering head (36), and a buffering block matched with the buffering head (33) is arranged at the tail end of the sliding rail (3), and the distribution box (35) is electrically connected with the hydraulic generator (33).

4. The environmental-friendly sewage treatment plant according to claim 1, wherein: the quantity of sedimentation tank (2) is two and is connected with two sides of handling pond (1) looks vertically respectively, the setting position that sets up highly being higher than sedimentation tank (2) of handling pond (1), drain pipe (38) are close to handling pond (1) one end and are provided with the valve, the top of agitator disk (6) is provided with a plurality of mutual symmetries's wavy arch.

5. The environmental-friendly sewage treatment plant according to claim 2, wherein: gear train (17) are provided with two engaged with gears, and a gear meshes with driving gear (23) mutually, and another gear meshes with driven gear (18) mutually, driven gear (18) are connected through belt and transmission dish (19) transmission, it is connected through belt and driven gear (18) transmission respectively to set up two sets of emery wheels (26) on first supporting seat (24), it is connected through belt and transmission dish (19) transmission respectively to set up two sets of emery wheels (26) on second supporting seat (25), the surface cover of emery wheel (26) is equipped with the area of polishing.

6. The environmental-friendly sewage treatment plant according to claim 2, wherein: one end of the connecting plate (28), which is far away from the connection point with the second supporting seat (25), is provided with an arc-shaped sliding hole matched with the stator (27) and is connected with the stator (27) in a sliding mode through the arc-shaped sliding hole.

7. The environmental-friendly sewage treatment plant according to claim 2, wherein: the mounted position of spacing (20) is located between first supporting seat (24) and second supporting seat (25), the both ends of spacing (20) are provided with the oval cambered surface that contacts with first supporting seat (24) and second supporting seat (25) surface, the inside of having seted up two through-holes and this through-hole of second runner (21) is run through and is had the bolt, the picture peg that sets up the bolt looks adaptation on the surface of sedimentation tank (2) and second runner (21) is seted up.

8. The environmental-friendly sewage treatment plant according to claim 2, wherein: the bottom plate (29) is internally provided with a plurality of groups of through holes, the top of the through holes is provided with a screen through bolt and screw holes, and the side wall of one end, which is far away from the third motor (22), of the operation chamber (12) in the space below the bottom plate (29) is provided with an inclined plane.

9. An environmentally friendly wastewater treatment plant according to claims 1 and 3, wherein: the bottom of the hydraulic generator (33) is provided with two water outlets which are symmetrical to each other and are provided with sealing cover plates in a threaded manner, the setting direction of the water outlets is perpendicular to the setting direction of the access pipe (34), the sedimentation tank (2) is provided with an interface which corresponds to the position of the water outlets arranged at the bottom of the hydraulic generator (33) and is provided with the sealing cover plates in a threaded manner, and the sealing cover plates are arranged at the interface of the drain pipe (38) and the sedimentation tank (2) in a threaded manner.

10. An environmentally friendly wastewater treatment plant according to claims 1 and 3, wherein: and one end of the drain pipe (38) close to the sedimentation tank (2) is provided with an interface which is matched with the access pipe (34) and is provided with a sealing cover plate in a threaded manner.