CN111302542A

CN111302542A - River sewage treatment device and using method

Info

Publication number: CN111302542A
Application number: CN202010233157.4A
Authority: CN
Inventors: 刘利娟; 李娟�
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-29
Filing date: 2020-03-29
Publication date: 2020-06-19

Abstract

The invention relates to the field of sewage treatment, in particular to a river sewage treatment device and a using method thereof, the river sewage treatment device comprises a large impurity cleaning box, a small impurity cleaning box, an electrolysis cleaning box, a rotating frame and a reduction reaction box, wherein the small impurity cleaning box is provided with a second filter box, the small impurity cleaning box is provided with a rotating assembly, the small impurity cleaning box is provided with a collecting tower, a second elastic baffle door is arranged right below the second filter box, the rotating frame is arranged between the electrolysis cleaning box and the reduction reaction box, the top of the rotating frame is provided with an electrode exchange mechanism, the interiors of the electrolysis cleaning box and the reduction reaction box are respectively provided with two first graphite rods and two second graphite rods for electrolysis, the electrode exchange mechanism is provided with two circuits, the river sewage treatment device cleans impurities on the second filter box, and avoids the filter device from remaining impurities which are difficult to clean, for a long time, the filtering holes on the filtering device can not be blocked, and the metal cations in the sewage can be converted.

Description

River sewage treatment device and using method

Technical Field

The invention relates to the field of sewage treatment, in particular to a river sewage treatment device and a using method thereof.

Background

Along with the improvement of people's standard of living, often have a large amount of rubbish, impurity and heavy metal in the river course, and rubbish in the river course often is difficult to clear up and purify, in case meet high temperature weather, can give out the stench in the river course, influences people's normal life.

Chinese patent application No.: CN 201910281607.4; the anti-clogging environment-friendly sewage treatment equipment provided by the embodiment of the invention can effectively prevent the filter screen from being blocked through the crushing mechanism arranged in the pretreatment tank and the cleaning part matched with the surface of the filter screen; the filtered sewage enters the stirring treatment cavity to be mixed with the medicament, so that the sewage treatment effect is ensured.

Chinese patent application No.: cn201710657905. x; the utility model discloses a grid garbage clearing device for sewage treatment, this grid garbage clearing device for sewage treatment has solved the problem that rubbish on present grid for sewage treatment needs the manual work to handle, has improved sewage treatment device's work efficiency, has reduced people's work load, has alleviateed people's work burden, and mechanical cleaning effect is good, avoids causing the influence to sewage treatment.

Both solutions have the following disadvantages:

1. although the impurities on the filtering device are cleaned, the impurities which are difficult to clean are often remained on the filtering device through the method of crushing the impurities and pushing the impurities, and the filtering holes on the filtering device are blocked after a long time.

2. In both solutions, there is also a pollution of the water quality by metal cations and no corresponding mechanism for converting the cations in the water.

Disclosure of Invention

The invention aims to provide a river sewage treatment device and a using method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

provides a river sewage treatment device, which comprises a large impurity cleaning box, a small impurity cleaning box, an electrolysis cleaning box, a rotating frame and a reduction reaction box, wherein the small impurity cleaning box is positioned between the large impurity cleaning box and the electrolysis cleaning box, the water inlet and the water outlet of the small impurity cleaning box are communicated with the water outlet of the large impurity cleaning box and the water inlet of the electrolysis cleaning box through connecting pipes, a second filter box for filtering small particle garbage is arranged on the water inlet of the small impurity cleaning box, a rotating assembly for rotating the second filter box is fixedly arranged on the small impurity cleaning box, a collecting tower for collecting the garbage in the second filter box is arranged beside the small impurity cleaning box, a second elastic baffle door for blocking the water inlet of the small impurity cleaning box is arranged under the second filter box, the reduction reaction box is positioned beside the electrolysis cleaning box, and the rotating frame is arranged between the electrolysis cleaning box and the reduction reaction box, the top of swivel mount is provided with electrode exchange mechanism, and electrode exchange mechanism is connected with the swivel mount transmission, and the inside of electrolysis cleaning box and reduction reaction case is provided with two first graphite rods and the second graphite rod that are used for the electrolysis respectively, and two first graphite rods and second graphite rod are through four connecting plate fixed mounting on electrode exchange mechanism, and are provided with two circuits in electrode exchange mechanism, and two circuits are connected in two first graphite rods and second graphite rod electricity respectively.

Furthermore, two first strip-shaped avoiding gaps and two second strip-shaped avoiding gaps for avoiding the first graphite rod and the second graphite rod are arranged on the electrolysis cleaning box and the reduction reaction box, and a first elastic stop door and a second elastic stop door are arranged on the two first strip-shaped avoidance gaps, the first elastic stop door is used for blocking one first strip-shaped avoidance gap positioned in the electrolytic cleaning box, and the second elastic shutter is used for blocking the other first strip-shaped avoiding gap and is positioned outside the electrolytic cleaning box, and a third elastic stop gate and a fourth elastic stop gate are arranged on the two second strip-shaped avoidance gaps, the third elastic stop gate is used for blocking one second strip-shaped avoidance gap which is positioned in the reduction reaction box, and the fourth elastic stop gate is used for blocking the other second strip-shaped avoiding notch and is positioned outside the reduction reaction box, and the first elastic stop gate, the second elastic stop gate, the third elastic stop gate and the fourth elastic stop gate are sequentially distributed along the clockwise direction of the rotating frame.

Furthermore, the second elastic stop door comprises a hinged seat, a rotating rod, a supporting plate, a blocking block and a pull ring, the hinged seat is fixedly installed on the electrolytic cleaning box, the bottom end of the outer edge of the rotating rod is hinged to the hinged seat, the top end of the rotating rod is fixedly connected with the supporting plate, the supporting plate is located on one side, close to the electrolytic cleaning box, of the rotating rod, the blocking block is clamped on a first strip-shaped avoiding notch of the electrolytic cleaning box and is fixedly connected with the supporting plate, the pull ring is located between the rotating rod and the electrolytic cleaning box, pull rings connected with the pull rings are fixedly arranged on the rotating rod and the electrolytic cleaning box, two ends of the pull rings are fixedly connected with the two pull rings respectively, and the first elastic stop door, the second elastic stop door, the third elastic stop door and the fourth elastic stop door are identical in structure.

Further, the swivel mount includes the stay tube, the ring gear, the gear, driving motor, the motor board, keep off ring and baffle, the stay tube is vertical fixed mounting subaerial, electrode exchange mechanism can the pivoted install on the stay tube, keep off the fixed mounting that the ring is used for carrying out the support to electrode exchange mechanism bottom on the stay tube, the baffle is used for carrying out the installation on the stay tube top of fixing a position to electrode exchange mechanism top, and ring gear fixed mounting is on electrode exchange mechanism, gear and ring gear meshing, and driving motor's output and gear fixed connection, driving motor fixed mounting is on the motor board, motor board and stay tube fixed connection.

Further, the electrode exchange mechanism comprises a lantern ring, two positive power supply contact pieces, a negative power supply contact piece and four metal contact pieces, the lantern ring is sleeved on the support tube, the top of the lantern ring is abutted against the baffle plate, the bottom end of the lantern ring is abutted against the baffle ring, four first strip-shaped sockets are arranged on the support tube and are uniformly distributed along the circumferential direction of the support tube, the two positive power supply contact pieces and the negative power supply contact piece are respectively arranged on the four first strip-shaped sockets, each positive power supply contact piece is positioned between the positive power supply contact piece and the lantern ring along the circumferential direction, four second strip-shaped sockets are arranged on the lantern ring, the four metal contact pieces are respectively and fixedly arranged on the four second strip-shaped sockets, the four second strip-shaped sockets are respectively contacted with the two positive power supply contact pieces and the negative power supply contact piece, the support tube and the lantern ring are made, the lantern ring is connected with the connecting plate fixedly connected to the two first graphite rods and the second graphite rod, the two metal contact pieces are electrically connected with the two first graphite rods through leads, the other two metal contact pieces are electrically connected with the second graphite rod through leads, and each circuit is respectively and electrically connected with a positive power contact piece and a negative power contact piece which are close to each other.

Further, the large impurity cleaning box comprises a wastewater backflow component, a first baffle, an inclined sliding plate, a first wastewater box, a collection box, a first filter box, two side plates and a plurality of aeration pipes, wherein the first wastewater box is fixedly arranged on the ground, a water outlet of the first wastewater box is connected with a water inlet of the small impurity cleaning box through a connecting pipe, the first filter box can be arranged in the first wastewater box in a vertically sliding manner, a guide strip for the first filter box to slide vertically is arranged in the first wastewater box, the first baffle is fixedly arranged in the first wastewater box, the plurality of aeration pipes are fixedly arranged on the outer edge of the first wastewater box, the plurality of aeration pipes are positioned between the first baffle and the first filter box, the water inlet of the first wastewater box is positioned on one side of the first wastewater box close to the opening of the first filter box, and the top of one side of the first wastewater box close to the opening of the first filter box is provided with a strip-shaped notch, the inclined sliding plate is obliquely and fixedly installed on the outer edge of one side, close to the strip-shaped notch, of the first waste water tank, the top end of the inclined sliding plate is located below the strip-shaped notch, the collecting box is located at the bottom end of the inclined sliding plate, the two side plates are fixedly installed on the two sides of the inclined sliding plate, the height of the water outlet of the first waste water tank is located between the bottom of the strip-shaped notch and the top of the first baffle plate, and the waste water backflow assembly is used for fixedly installing the waste water in the collecting box in the first waste water tank.

Furthermore, the wastewater backflow component comprises a second baffle, a filter screen, a one-way valve, a backflow pump and a liquid level sensor, the second baffle is vertically and fixedly arranged in the collection box, the filter screen is fixedly arranged at the top of the second baffle, the collecting box is provided with a water outlet, the water outlet is positioned at one side of the collecting box close to the second baffle, the liquid level sensor is fixedly arranged on the outer edge of one side of the collecting box close to the liquid level sensor, the liquid level sensor is positioned above the second baffle, the reflux pump is positioned at the outer side of the collection box, the first wastewater box is provided with a water return port for returning wastewater in the collection box, the water return port is positioned between the first baffle and the first filter box, and the check valve is fixedly installed on the water return port, the water inlet of the reflux pump is connected with the water outlet of the collecting box through a guide pipe, and the water outlet of the reflux pump is connected with the water inlet of the check valve through a guide pipe.

Furthermore, the rotating component comprises a rotating plate, a rotating shaft, a rotating seat, a counter reducer and a servo motor, the two fixing plates are respectively fixed at the two sides of the top end of the second filter box, one end of the rotating plate is fixedly connected with the fixed plate, the other end of the rotating plate is fixedly connected with one end of the rotating shaft, the other end of the rotating shaft passes through the rotating seat and is fixedly connected with the number reducer through the coupler, the number reducer is fixedly arranged on the small impurity cleaning box through the motor frame, the rotating seat is fixedly arranged at the top of the small impurity cleaning box, and the swivel mount rotates with the pivot to be connected, and servo motor fixed mounting is on subtracting the counter, collects the tower including collecting box, supporting leg, proximity switch and four shower nozzles, collects box fixed mounting at the top of supporting leg, and four shower nozzle fixed mounting are in the bottom of collecting the box, and proximity switch fixed mounting is collected on the box one side outer wall of keeping away from little impurity clean box, offers the breach of dodging that is used for dodging the fixed plate and changeing the board on collecting the box.

Further, the elasticity blocks up the subassembly and includes the baffle, support the board, keep off and flow the board, two guide pillars and conflict spring, baffle fixed mounting is on little impurity clean box, and support the board and be located the second rose box under, the top of two guide pillars and two conflict springs of the bottom fixed connection of support the board overlap respectively on two guide pillars, keep off and flow board fixed mounting and be close to one side of little impurity clean box water inlet in the bottom of support the board, keep off and flow the inner wall laminating of board and little impurity clean box, conflict spring's top and support the board conflict, conflict spring's bottom and baffle are contradicted.

A using method of a river sewage treatment device, which is characterized in that,

s1: filtering large-particle garbage and floating objects in the river wastewater;

firstly, river channel wastewater is connected with a water inlet on a first wastewater tank, so that the wastewater enters the first wastewater tank, so that the wastewater in a river channel is filtered by a first filter box, large-particle garbage and floating objects in the river channel wastewater are filtered by the first filter box, the floating objects of the first filter box float in the first filter box, the floating object garbage floats from a bar-shaped gap to an inclined sliding plate under the action of the bar-shaped gap, so that the floating objects slide into a collecting box along the inclined sliding plate, and the waste water also contains sediment which is isolated by a first baffle plate, and an air source is connected with an aeration pipe, so that anaerobic microorganisms in the first wastewater tank are killed, and the air emerges from the water to vibrate the water surface, so that the floating object garbage can more easily enter the inclined sliding plate, the wastewater in the first wastewater tank enters the collection box along with the floating objects, and when the wastewater is sensed by the liquid level sensor, a signal is transmitted to the controller, the controller controls the reflux pump to be started, so that the wastewater in the collection box flows back into the first wastewater tank, and the second baffle prevents precipitates from entering a position between the filter screen and a water outlet of the collection box, so that the first filtering of the river wastewater is completed;

s2: filtering small impurities in the river wastewater;

then filtering the small particle garbage by a second filter box on the small impurity cleaning box, starting a servo motor at regular time by a controller, further enabling the servo motor to drive a reducer to work, further enabling the reducer to drive a rotating shaft to rotate, enabling the rotating shaft to drive a rotating plate and a fixed plate to rotate, further enabling the fixed plate to drive the second filter box to rotate, enabling the second filter box to enter a collecting box, sensing the fixed plate by a proximity switch after the second filter box enters the collecting box, further enabling the proximity switch to transmit a signal to the controller, opening a water source for controlling and connecting a spray head by the controller, further enabling the spray head to flush the second filter box, and after a certain time, starting the servo motor by the controller, enabling the servo motor to rotate reversely, further enabling the second filter box to abut against the top of an elastic blocking component, when the second filter box moves upwards, the abutting spring abuts against the abutting plate upwards, the flow baffle blocks the water inlet of the small impurity cleaning box, and when the second filter box presses the abutting plate downwards, the bottom of the second filter box abuts against the abutting plate downwards, so that the abutting plate does not block the water inlet of the small impurity cleaning box;

s3: electrolyzing the sewage;

by starting a power supply, two groups of positive power supply contact pieces and negative power supply contact pieces which are close to each other supply power to the four metal contact pieces, and further, current enters the two second graphite rods and the two first graphite rods through wires connected to the four metal contact pieces, so that the positive power supply contact pieces and the negative power supply contact pieces which are connected to one circuit, the two metal contact pieces and the two first graphite rods form one circuit, the positive power supply contact pieces and the negative power supply contact pieces which are connected to one circuit, the two metal contact pieces and the two second graphite rods form another circuit, and further, the two circuits are used for introducing current into the two second graphite rods and the first graphite rods, and further, metal of positive ions in water is electrically connected to the first graphite rods;

s4: switching electrodes;

the driving motor is started by the controller at regular time, and then the driving motor drives the gear to rotate, so that the gear drives the gear ring to rotate, so that the gear ring drives the lantern ring to rotate, so that the lantern ring drives four metal contact pieces to rotate by one hundred eighty degrees, so that two metal contact pieces are contacted with another group of positive power contact pieces and negative power contact pieces, so that the metal contact pieces originally connected with the negative power contact pieces are changed into positive power contact pieces, the metal contact pieces originally connected with the positive power contact pieces are changed into negative power contact pieces, further the two first graphite rods and the second graphite rods are subjected to circuit exchange, the positive electrode of the original circuit is changed into the negative electrode, the negative electrode of the original circuit is changed into the positive electrode, further the adsorbed metal on the first graphite rods entering the reduction reaction box enters the electron losing box, flows into the solution in the reduction reaction box, and enters the two second graphite rods in the electrolysis cleaning box to electrolyze wastewater, the metal of the cation in the water is electrically connected to the second graphite rod;

s5: switching the graphite rods;

can drive two first graphite sticks and the second graphite stick of connection on the connecting plate when rotating through the lantern ring and move, the first graphite stick that rotates out clockwise will be contradicted with second elasticity shutter earlier in the clean case of follow electrolysis, thereby make and break away from in the clean case of first graphite stick electrolysis, rethread first graphite stick contradicts with third elasticity shutter, and then make first graphite stick enter into the reduction reaction incasement, and the second graphite stick in the reduction reaction incasement will dodge the breach with the second bar and contradict, and then break away from in the reduction reaction incasement, rethread second graphite stick contradicts first elasticity shutter, and then make the second graphite stick enter into the clean case of electrolysis.

The invention has the beneficial effects that: this river course sewage treatment plant, effect through rotating assembly and collection tower on the little impurity clean box, and then cleared up the impurity on the second filter cartridge, still can remain the impurity that is difficult to the clearance on having avoided filter equipment, and from a long time down, the filtration pore on the filter equipment can not blockked up yet, through the combined action of electrolysis clean box, reduction reaction case, swivel mount and electrode exchange mechanism, and then converts out the metal cation in the sewage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below.

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

FIG. 2 is a partial perspective view of the first embodiment of the present invention;

FIG. 3 is a schematic view of a partial three-dimensional structure of the present invention

FIG. 4 is a third schematic view of a partial perspective structure of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a fourth schematic view of a partial perspective structure of the present invention;

FIG. 7 is a schematic perspective view of a second elastic shutter;

FIG. 8 is a perspective view of a large impurity cleaning tank;

FIG. 9 is a partial perspective view of a bulk cleaning tank;

FIG. 10 is an exploded perspective view of the wastewater return assembly;

FIG. 11 is a first perspective view of a cleaning box for small impurities;

FIG. 12 is a schematic perspective view of a second impurity cleaning box;

FIG. 13 is an enlarged view of a portion of FIG. 12 at B;

FIG. 14 is a schematic perspective view of a collection tower;

FIG. 15 is a perspective view of the resilient plug assembly;

in the figure:

1. a large impurity cleaning box; 1a, a wastewater backflow component; 1a1, second baffle; 1a2, filter screen; 1a3, one-way valve; 1a4, reflux pump; 1a5, liquid level sensor; 1b, a first baffle; 1c, an aeration pipe; 1e, a tilting slide plate; 1d, a first wastewater tank; 1d1, strip-shaped gap; 1f, side plates; 1h, collecting a box; 1i, a first filter box;

2. a small impurity cleaning box; 2a, a second filter box; 2b, a rotating component; 2b1, fixing plate; 2b2, rotating plate; 2b3, a rotating shaft; 2b4, swivel mount; 2b5, decrementer; 2b6, a servo motor; 2c, a collection tower; 2c1, collection box; 2c2, support legs; 2c3, spray head; 2c4, proximity switch; 2d, an elastic plugging component; 2d1, guide posts; 2d2, abutting spring; 2d3, guide plate; 2d4, a resisting plate; 2d5, a baffle plate;

3. an electrolytic cleaning tank; 3a, a first graphite rod; 3b, a first strip-shaped avoiding notch; 3c, a first elastic stop door; 3d, a second elastic stop door; 3d1, hinged seat; 3d2, rotating rod; 3d3, a resisting plate; 3d4, block; 3d5, tab;

4. a reduction reaction box; 4a, a second graphite rod; 4b, a second strip-shaped avoiding notch; 4c, a third elastic stop door; 4d, a fourth elastic stop door;

5. a rotating frame; 5a, supporting a pipe; 5a1, first bar-shaped socket; 5b, a toothed ring; 5c, a gear; 5d, driving a motor; 5e, a motor plate; 5f, a baffle ring; 5h, a baffle plate;

6. an electrode exchange mechanism; 6a, a positive power contact; 6b, a collar; 6b1, second strip jack; 6c, metal contact pieces; 6d, negative power contact.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 14, a river sewage treatment device comprises a large impurity cleaning tank 1, a small impurity cleaning tank 2, an electrolytic cleaning tank 3, a rotary frame 5 and a reduction reaction tank 4, wherein the small impurity cleaning tank 2 is positioned between the large impurity cleaning tank 1 and the electrolytic cleaning tank 3, a water inlet and a water outlet of the small impurity cleaning tank 2 are communicated with a water outlet of the large impurity cleaning tank 1 and a water inlet of the electrolytic cleaning tank 3 through connecting pipes, a second filter box 2a for filtering small particle garbage is arranged at the water inlet of the small impurity cleaning tank 2, a rotary component 2b for rotating the second filter box 2a is fixedly arranged on the small impurity cleaning tank 2, a collecting tower 2c for collecting garbage in the second filter box 2a is arranged beside the small impurity cleaning tank 2, a second elastic baffle door 3d for blocking the water inlet of the small impurity cleaning tank 2 is arranged under the second filter box 2a, reduction reaction case 4 is located the side of electrolysis cleaning case 3, and be provided with swivel mount 5 between electrolysis cleaning case 3 and the reduction reaction case 4, the top of swivel mount 5 is provided with electrode exchange mechanism 6, and electrode exchange mechanism 6 is connected with swivel mount 5 transmission, the inside of electrolysis cleaning case 3 and reduction reaction case 4 is provided with two first graphite rods 3a and second graphite rod 4a that are used for the electrolysis respectively, two first graphite rods 3a and second graphite rod 4a are through four connecting plate fixed mounting on electrode exchange mechanism 6, and be provided with two circuits on the electrode exchange mechanism 6, two circuits are connected in two first graphite rods 3a and second graphite rod 4a electricity respectively. When sewage in a river channel needs to be filtered, a sewage source is connected with a water inlet of a large impurity cleaning box 1, large-particle garbage and floating objects in the water are filtered by the large impurity cleaning box 1, the wastewater filtered by the large impurity cleaning box 1 is introduced into a small impurity cleaning box 2 under the action of a connecting pipe, the small-particle garbage is filtered by a second filter box 2a on the small impurity cleaning box 2, the rotary component 2b is started at regular time, so that the rotary component 2b drives the second filter box 2a to move, the garbage in the second filter box 2a is poured into a collecting tower 2c, the second filter box 2a pours the garbage into the collecting tower 2c, the elastic blocking component 2d moves upwards to block the water inlet of the small impurity cleaning box 2, and when the rotary component 2b drives the second filter box 2a to rotate back, the bottom of the second filter box 2a is downward abutted against the elastic blocking component 2d, so that the elastic blocking component 2d does not block the water inlet of the small impurity cleaning box 2, the filtered sewage in the small impurity cleaning box 2 is introduced into the electrolysis cleaning box 3 through the connecting pipe, the wastewater is electrolyzed through the two first graphite rods 3a on the electrolysis cleaning box 3, further the metal of cations in the water is electrically connected to the first graphite rods 3a, when a certain time passes, the rotating frame 5 drives the electrode exchange mechanism 6 to rotate clockwise, further the anode and the cathode of a circuit connected with the first graphite rods 3a are changed, and the four connecting plates drive the two first graphite rods 3a and the second graphite rods 4a to rotate, so that the two first graphite rods 3a in the electrolysis cleaning box 3 are screwed into the reduction reaction box 4, and the two second graphite rods 4a in the reduction reaction box 4 are screwed into the electrolysis cleaning box 3, and because the electrodes connected on the first graphite rod 3a and the second graphite rod 4a are changed, the adsorbed metal on the first graphite rod 3a entering the reduction reaction box 4 enters and loses electrons and flows into the solution in the reduction reaction box 4, the solution in the reaction box 4 is provided with anions which are combined with metal cations and become precipitates, the two second graphite rods 4a entering the electrolysis cleaning box 3 electrolyze wastewater, the metal of the cations in the water is electrically connected to the second graphite rods 4a, the rotating frame 5 drives the electrode exchange mechanism 6 to rotate clockwise after a certain time, the process is repeated, and then the metal ions in the water are continuously extracted, so that the filtering effect is achieved.

Two first strip-shaped avoidance gaps 3b and two second strip-shaped avoidance gaps 4b for avoiding a first graphite rod 3a and a second graphite rod 4a are arranged on the electrolysis cleaning box 3 and the reduction reaction box 4, a first elastic baffle door 3c and a second elastic baffle door 3d are arranged on the two first strip-shaped avoidance gaps 3b, the first elastic baffle door 3c is used for blocking one first strip-shaped avoidance gap 3b and is positioned inside the electrolysis cleaning box 3, the second elastic baffle door 3d is used for blocking the other first strip-shaped avoidance gap 3b and is positioned outside the electrolysis cleaning box 3, a third elastic baffle door 4c and a fourth elastic baffle door 4d are arranged on the two second strip-shaped avoidance gaps 4b, the third elastic baffle door 4c is used for blocking one second strip-shaped avoidance gap 4b and is positioned inside the reduction reaction box 4, and the fourth elastic baffle door 4d is used for blocking the other second strip-shaped avoidance gap 4b and is positioned outside the reduction reaction box 4, the first elastic stop gate 3c, the second elastic stop gate 3d, the third elastic stop gate 4c and the fourth elastic stop gate 4d are sequentially distributed along the clockwise direction of the rotating frame 5. When the certain time of the process of 5 drive electrode exchange mechanism 6 carry out clockwise's rotation, thereby follow the clean case 3 interior clockwise first graphite rod 3a of turning out of electrolysis will conflict with second elasticity shutter 3d earlier, and then make and break away from in the clean case 3 of electrolysis of first graphite rod 3a, rethread first graphite rod 3a conflicts with third elasticity shutter 4c, and then make first graphite rod 3a enter into reduction reaction case 4, and second graphite rod 4a in reduction reaction case 4 will dodge breach 4b with the second bar and conflict, and then break away from in reduction reaction case 4, rethread second graphite rod 4a conflicts first elasticity shutter 3c, and then make second graphite rod 4a enter into the clean case 3 of electrolysis.

The second elastic shutter 3d comprises a hinged seat 3d1, a rotating rod 3d2, a resisting plate 3d3, a block 3d4 and a pull ring 3d5, the hinged seat 3d1 is fixedly arranged on the electrolytic cleaning box 3, the bottom end of the outer edge of the rotating rod 3d2 is hinged with a hinged seat 3d1, the top end of the rotating rod 3d2 is fixedly connected with a resisting plate 3d3, the resisting plate 3d3 is positioned at one side of the rotating rod 3d2 close to the electrolytic cleaning box 3, a block 3d4 is clamped on a first strip-shaped avoiding notch 3b of the electrolytic cleaning box 3, the block 3d4 is fixedly connected with the resisting plate 3d3, the pull ring 3d5 is positioned between the rotating rod 3d2 and the electrolytic cleaning box 3, and pull rings connected with the pull ring 3d5 are fixedly arranged on the rotating rod 3d2 and the electrolytic cleaning box 3, two ends of the pull ring 3d5 are respectively and fixedly connected with the two pull rings, and the first elastic stop door 3c, the second elastic stop door 3d, the third elastic stop door 4c and the fourth elastic stop door 4d have the same structure. When first graphite rod 3a breaks away from in the clean case 3 of electrolysis, and then make first graphite rod 3a contradict sprue 3d4, and then make first graphite rod 3a promote sprue 3d4, make first graphite rod 3a break away from in the clean case 3 of electrolysis, rethread pull ring 3d 5's pulling force effect, and then make pull ring 3d5 pulling bull stick 3d2, and then make sprue 3d4 block in again and dodge on breach 3b to first bar, and then avoid a large amount of sewage to flow out in the clean case 3 of electrolysis.

The rotating frame 5 comprises a supporting tube 5a, a toothed ring 5b, a gear 5c, a driving motor 5d, a motor plate 5e, a baffle ring 5f and a baffle plate 5h, wherein the supporting tube 5a is vertically and fixedly mounted on the ground, the electrode exchange mechanism 6 can be rotatably mounted on the supporting tube 5a, the baffle ring 5f is fixedly mounted on the supporting tube 5a and used for supporting the bottom of the electrode exchange mechanism 6, the baffle plate 5h is used for positioning the top of the electrode exchange mechanism 6 and mounted at the top end of the supporting tube 5a, the toothed ring 5b is fixedly mounted on the electrode exchange mechanism 6, the gear 5c is meshed with the toothed ring 5b, the output end of the driving motor 5d is fixedly connected with the gear 5c, the driving motor 5d is fixedly mounted on the motor plate 5e, and the motor plate 5e is fixedly connected with the supporting tube 5. The driving motor 5d is started by the controller at regular time, and then the driving motor 5d drives the gear 5c to rotate, so that the gear 5c drives the gear ring 5b to rotate, and then the gear ring 5b drives the electrode exchange mechanism 6 to rotate.

The electrode exchange mechanism 6 comprises a lantern ring 6b, two positive power supply contact pieces 6a, a negative power supply contact piece 6d and four metal contact pieces 6c, the lantern ring 6b is sleeved on the support tube 5a, the top of the lantern ring 6b is abutted against the baffle 5h, the bottom end of the lantern ring 6b is abutted against the baffle ring 5f, four first strip-shaped sockets 5a1 are formed in the support tube 5a, the four first strip-shaped sockets 5a1 are uniformly distributed along the circumferential direction of the support tube 5a, the two positive power supply contact pieces 6a and the negative power supply contact piece 6d are respectively installed on the four first strip-shaped sockets 5a1, each positive power supply contact piece 6a is located between the positive power supply contact piece 6a and the lantern ring 6b along the circumferential direction, the lantern ring 6b is provided with four second strip-shaped sockets 6b1, the four metal contact pieces 6c are fixedly installed on the four second strip-shaped sockets 6b1, the four second strip-shaped sockets 1 are respectively in contact with the two positive power supply contact pieces 6, the supporting tube 5a and the lantern ring 6b are made of non-conducting materials, the lantern ring 6b is fixedly connected with the toothed ring 5b, the lantern ring 6b is fixedly connected with a connecting plate connected to the two first graphite rods 3a and the second graphite rod 4a, the two metal contact pieces 6c are electrically connected with the two first graphite rods 3a through wires, the other two metal contact pieces 6c are electrically connected with the second graphite rod through wires 4a, and each circuit is electrically connected with one positive power contact piece 6a and one negative power contact piece 6d which are close to each other. By starting the power supply, two groups of positive power contact 6a and negative power contact 6d close to each other supply power to the four metal contact 6c, and then the current enters into the two second graphite rods 4a and the two first graphite rods 3a through the wires connected to the four metal contact 6c, so that the positive power contact 6a and the negative power contact 6d connected to one circuit and the two metal contacts 6c and the two first graphite rods 3a form one circuit, the positive power contact 6a and the negative power contact 6d connected to one circuit and the two metal contacts 6c and the two second graphite rods 4a form the other circuit, the lantern ring 6b is driven by the toothed ring 5b to rotate, and then the lantern ring 6b drives the four metal contacts 6c to rotate by one hundred eighty degrees, so that the two metal contacts 6c contact with the other group of positive power contact 6a and the negative power contact 6d, the metal contact 6c connected to the negative power supply contact 6d is changed to be connected to the positive power supply contact 6a, the metal contact 6c connected to the positive power supply contact 6a is changed to be the negative power supply contact 6d, the two first graphite rods 3a and the second graphite rods 4a are subjected to circuit exchange, the positive electrode of the original circuit is changed to be the negative electrode, the negative electrode of the original circuit is changed to be the positive electrode, the adsorbed metal on the first graphite rods 3a entering the reduction reaction box 4 enters the solution in the reduction reaction box 4 and loses electrons, the waste water is electrolyzed by the two second graphite rods 4a entering the electrolysis cleaning box 3, and the metal of positive ions in the water is electrically connected to the second graphite rods 4 a.

The large impurity cleaning box 1 comprises a wastewater backflow component 1a, a first baffle plate 1b, an inclined sliding plate 1e, a first wastewater box 1d, a collecting box 1h, a first filtering box 1i, two side plates 1f and a plurality of aeration pipes 1c, wherein the first wastewater box 1d is fixedly arranged on the ground, a water outlet of the first wastewater box 1d is connected with a water inlet of the small impurity cleaning box 2 through a connecting pipe, the first filtering box 1i can be arranged in the first wastewater box 1d in a vertically sliding manner, a guide strip for the first filtering box 1i to slide vertically is arranged in the first wastewater box 1d, the first baffle plate 1b is fixedly arranged in the first wastewater box 1d, the plurality of aeration pipes 1c are fixedly arranged on the outer edge of the first wastewater box 1d, the plurality of aeration pipes 1c are arranged between the first baffle plate 1b and the first filtering box 1i, a water inlet of the first wastewater box 1d is arranged at one side of the first wastewater box 1d close to an opening of the first filtering box 1i, and bar breach 1d1 has been seted up to one side top that first waste water tank 1d is close to first filter cartridge 1i opening part, slope slide 1e is slope fixed mounting on one side outer fringe that first waste water tank 1d is close to bar breach 1d1, slope slide 1e top is located the below of bar breach 1d1, and collect the bottom that box 1h is located slope slide 1e, two curb plate 1f fixed mounting are in the both sides of slope slide 1e, the height of first waste water tank 1d delivery port is located between bar breach 1d1 bottom and first baffle 1b top, waste water backward flow subassembly 1a is used for the fixed mounting that the waste water in collecting box 1h flows back to first waste water tank 1d on collecting box 1 h. Firstly, river wastewater is connected with a water inlet on a first wastewater tank 1d, then the wastewater enters the first wastewater tank 1d, then a first filter box 1i filters the wastewater in a river, large-particle garbage and floating objects in the river wastewater are filtered by the first filter box 1i, floating objects of the first filter box 1i float up in the first filter box 1i, due to the effect of a strip-shaped gap 1d1, the floating object garbage floats out of the strip-shaped gap 1d1 to an inclined sliding plate 1e, then the floating objects slide into a collection box 1h along the inclined sliding plate 1e, due to the fact that the wastewater also contains sediments, the sediments are isolated through a first baffle plate 1b, an air source is connected with an aeration pipe 1c, anaerobic microorganisms in the first wastewater tank 1d are killed, and the floating objects emerge from the water through air, produce the vibration to the surface of water, and then make floater rubbish enter into inclined sliding plate 1e more easily on, because the waste water in the first waste water tank 1d can enter into along with the floater and collect in the box 1h, through waste water backward flow subassembly 1a, and then make the waste water in collecting the box 1h flow back to in the first waste water tank 1 d.

The wastewater backflow component 1a comprises a second baffle plate 1a1, a filter screen 1a2, a check valve 1a3, a backflow pump 1a4 and a liquid level sensor 1a5, the second baffle plate 1a1 is vertically and fixedly installed in a collection box 1h, the filter screen 1a2 is fixedly installed at the top of the second baffle plate 1a1, a water outlet is formed in the collection box 1h, the water outlet is located on one side, close to the second baffle plate 1a1, of the collection box 1h, the liquid level sensor 1a5 is fixedly installed on the outer edge of one side, close to the liquid level sensor 1a5, of the collection box 1h, the liquid level sensor 1a5 is located above the second baffle plate 1a1, the backflow pump 1a4 is located on the outer side of the collection box 1h, a water return port for returning wastewater in the collection box 1h is arranged on a wastewater box 1d, the water return port is located between a first baffle plate 1b and a first filter box 1i, the check valve 1a3 is fixedly installed on the water return port, and the backflow pump 1a4 is connected with a water inlet of, the water outlet of the reflux pump 1a4 is connected with the water inlet of the one-way valve 1a3 through a conduit. When the liquid level sensor 1a5 senses wastewater, a signal is sent to the controller, the controller controls the backflow pump 1a4 to start, so that the wastewater in the collection box 1h flows back into the first wastewater tank 1d, and the second baffle 1a1 prevents sediment from entering between the filter screen 1a2 and the water outlet of the collection box 1 h.

The rotating assembly 2b comprises a rotating plate 2b2, a rotating shaft 2b3, a rotary seat 2b4, a reducer 2b5 and a servo motor 2b6, wherein two fixed plates 2b1 are respectively fixed on two sides of the top end of the second filter box 2a, one end of a rotating plate 2b2 is fixedly connected with a fixed plate 2b1, the other end of a rotating plate 2b2 is fixedly connected with one end of a rotating shaft 2b3, the other end of the rotating shaft 2b3 passes through the rotary seat 2b4 to be fixedly connected with the reducer 2b5 through a coupler, the reducer 2b5 is fixedly mounted on the small impurity cleaning box 2 through a motor frame, the collecting tower 2c comprises a collecting box 2c1, a supporting leg 2c2, a proximity switch 2c4 and four nozzles 2c 6867, the rotary seat 1 is fixedly mounted on the top of the collecting box 2, the four nozzles 2c3 are fixedly arranged at the bottom of the collecting box 2c1, the approach switch 2c4 is fixedly arranged on the outer wall of one side of the collecting box 2c1 far away from the small impurity cleaning box 2, and the collecting box 2c1 is provided with an avoiding notch for avoiding the fixed plate 2b1 and the rotating plate 2b 2. The servo motor 2b6 is started by the controller at regular time, so that the servo motor 2b6 drives the subtractor 2b5 to work, so that the rotation shaft 2b3 is rotated by the counter reducer 2b5, so that the rotation shaft 2b3 rotates the rotating plate 2b2 and the fixed plate 2b1, so that the fixing plate 2b1 drives the second filter cassette 2a to rotate, so that the second filter cassette 2a enters the collecting box 2c1, when the second filter cassette 2a is inserted into the collection cassette 2c1, the proximity switch 2c4 senses the fixed plate 2b1, and further causes the proximity switch 2c4 to send a signal to the controller, which will control the water supply connected to the spray head 2c3 to turn on, so that the spray head 2c3 can wash the second filter box 2a, when a certain time passes, the controller starts the servo motor 2b6, causing the servomotor 2b6 to reverse direction, thereby causing the second filter cassette 2a to abut the top of the resilient plug assembly 2 d.

The elastic blocking component 2d comprises a guide plate 2d3, a resisting plate 2d4, a flow blocking plate 2d5, two guide posts 2d1 and a collision spring 2d2, the guide plate 2d3 is fixedly installed on the small impurity cleaning box 2, the resisting plate 2d4 is located under the second filter box 2a, the tops of the two guide posts 2d1 and the bottom of the resisting plate 2d4 are fixedly connected with the two collision springs 2d2 which are respectively sleeved on the two guide posts 2d1, the flow blocking plate 2d5 is fixedly installed on one side, close to the water inlet of the small impurity cleaning box 2, of the bottom of the resisting plate 2d4, the flow blocking plate 2d5 is attached to the inner wall of the small impurity cleaning box 2, the top of the collision spring 2d2 is abutted against the resisting plate 2d4, and the bottom of the spring 2d2 is abutted against the guide plate 2d 3. After the second filter box 2a moves upwards, the abutting spring 2d2 abuts against the abutting plate 2d4 upwards, and the flow blocking plate 2d5 blocks the water inlet of the small impurity cleaning box 2, and after the second filter box 2a presses the abutting plate 2d4 downwards, the bottom of the second filter box 2a abuts against the abutting plate 2d4 downwards, so that the abutting plate 2d4 does not block the water inlet of the small impurity cleaning box 2.

firstly, river wastewater is connected with a water inlet on a first wastewater tank 1d, then the wastewater enters the first wastewater tank 1d, then a first filter box 1i filters the wastewater in a river, large-particle garbage and floating objects in the river wastewater are filtered by the first filter box 1i, floating objects of the first filter box 1i float up in the first filter box 1i, due to the effect of a strip-shaped gap 1d1, the floating object garbage floats out of the strip-shaped gap 1d1 to an inclined sliding plate 1e, then the floating objects slide into a collection box 1h along the inclined sliding plate 1e, due to the fact that the wastewater also contains sediments, the sediments are isolated through a first baffle plate 1b, an air source is connected with an aeration pipe 1c, anaerobic microorganisms in the first wastewater tank 1d are killed, and the floating objects emerge from the water through air, the water surface is vibrated, so that floating garbage can enter the inclined sliding plate 1e more easily, as the wastewater in the first wastewater tank 1d enters the collection box 1h along with the floating objects, when the wastewater is sensed by the liquid level sensor 1a5, a signal is transmitted to the controller, the controller controls the reflux pump 1a4 to be started, so that the wastewater in the collection box 1h flows back into the first wastewater tank 1d, and the second baffle plate 1a1 prevents sediments from entering between the filter screen 1a2 and the water outlet of the collection box 1h, so that the first filtration of the river sewage is completed;

s2: filtering small impurities in the river wastewater;

then the second filter box 2a on the small impurity cleaning box 2 filters the small particle garbage, the servo motor 2b6 is started at regular time through the controller, the servo motor 2b6 drives the reducer 2b5 to work, the reducer 2b5 drives the rotating shaft 2b3 to rotate, the rotating shaft 2b3 drives the rotating plate 2b2 and the fixed plate 2b1 to rotate, the fixed plate 2b1 drives the second filter box 2a to rotate, the second filter box 2a enters the collection box 2c1, after the second filter box 2a enters the collection box 2c1, the proximity switch 2c4 senses the fixed plate 2b1, the proximity switch 2c4 transmits a signal to the controller, the controller opens a water source connected with the spray head 2c3, the spray head 2c3 washes the second filter box 2a, and after a certain time, the controller starts the servo motor 2b6, so that the servo motor 2b6 rotates reversely, the second filter box 2a abuts against the top of the elastic blocking component 2d, when the second filter box 2a moves upwards, the abutting spring 2d2 abuts against the abutting plate 2d4 upwards, the flow baffle plate 2d5 blocks the water inlet of the small impurity cleaning box 2, and when the second filter box 2a presses the abutting plate 2d4 downwards, the bottom of the second filter box 2a abuts against the abutting plate 2d4 downwards, and the abutting plate 2d4 does not block the water inlet of the small impurity cleaning box 2;

s3: electrolyzing the sewage;

by starting the power supply, the two sets of positive power contact 6a and negative power contact 6d close to each other supply power to the four metal contacts 6c, so that the current enters the two second graphite rods 4a and the two first graphite rods 3a through the leads connected with the four metal contact pieces 6c, therefore, the positive power supply contact 6a and the negative power supply contact 6d connected to one circuit and the two metal contacts 6c form one circuit with the two first graphite rods 3a, the positive power supply contact 6a and the negative power supply contact 6d connected to one circuit and the two metal contacts 6c form another circuit with the two second graphite rods 4a, then, current is introduced into the two second graphite rods 4a and the first graphite rod 3a through two circuits, so that metal of cations in water is electrically connected to the first graphite rod 3 a;

s4: switching electrodes;

the driving motor 5d is started by the controller at regular time, and then the driving motor 5d drives the gear 5c to rotate, so that the gear 5c drives the toothed ring 5b to rotate, so that the toothed ring 5b drives the lantern ring 6b to rotate, so that the lantern ring 6b drives the four metal contact pieces 6c to rotate by one hundred eighty degrees, so that two metal contact pieces 6c are contacted with the other group of positive power contact pieces 6a and negative power contact pieces 6d, so that the metal contact piece 6c originally connected with the negative power contact piece 6d is changed into the positive power contact piece 6a, the metal contact piece 6c originally connected with the positive power contact piece 6a is changed into the negative power contact piece 6d, and then the two first graphite rods 3a and the second graphite rod 4a are subjected to circuit exchange, the positive electrode of the original circuit is changed into the negative electrode, the negative electrode of the original circuit is changed into the positive electrode, and then the adsorbed metal on the first graphite rod 3a entering the reduction reaction box 4 enters and loses electrons, two second graphite rods 4a flowing into the solution in the reduction reaction box 4 and entering the electrolytic cleaning box 3 electrolyze the wastewater, and the metal of cations in the wastewater is electrically connected to the second graphite rods 4 a;

s5: switching the graphite rods;

can drive two first graphite rods 3a and second graphite rod 4a of connection on the connecting plate through lantern ring 6b pivoted simultaneously and move, first graphite rod 3a that the clockwise turned out in the clean case 3 of follow electrolysis will conflict with second elasticity stop gate 3d earlier, and then make first graphite rod 3a break away from in the clean case 3 of electrolysis, rethread first graphite rod 3a conflicts with third elasticity stop gate 4c, and then make first graphite rod 3a enter into reduction reaction case 4, and second graphite rod 4a in reduction reaction case 4 will dodge breach 4b with the second bar and conflict, and then break away from in reduction reaction case 4, rethread second graphite rod 4a conflicts first elasticity stop gate 3c, and then make second graphite rod 4a enter into the clean case 3 of electrolysis.

The working principle is as follows: firstly, river wastewater is connected with a water inlet on a first wastewater tank 1d, then the wastewater enters the first wastewater tank 1d, then a first filter box 1i filters the wastewater in a river, large-particle garbage and floating objects in the river wastewater are filtered by the first filter box 1i, floating objects of the first filter box 1i float up in the first filter box 1i, due to the effect of a strip-shaped gap 1d1, the floating object garbage floats out of the strip-shaped gap 1d1 to an inclined sliding plate 1e, then the floating objects slide into a collection box 1h along the inclined sliding plate 1e, due to the fact that the wastewater also contains sediments, the sediments are isolated through a first baffle plate 1b, an air source is connected with an aeration pipe 1c, anaerobic microorganisms in the first wastewater tank 1d are killed, and the floating objects emerge from the water through air, the water surface is vibrated, and then floating garbage can enter the inclined sliding plate 1e more easily, as the wastewater in the first wastewater tank 1d enters the collection box 1h along with the floating objects, when the wastewater is sensed by the liquid level sensor 1a5, a signal is transmitted to the controller, the controller controls the reflux pump 1a4 to be started, the wastewater in the collection box 1h flows back to the first wastewater tank 1d, the second baffle plate 1a1 prevents sediments from entering between the filter screen 1a2 and the water outlet of the collection box 1h, and then the first filtration of the river sewage is completed, the wastewater filtered by the large impurity cleaning box 1 is introduced into the small impurity cleaning box 2 through the effect of the connecting pipe, the small particle garbage is filtered by the second filter box 2a on the small impurity cleaning box 2, the servo motor 2b6 is started at regular time through the controller, then the servo motor 2b6 drives the reducer 2b5 to work, and further the reducer 2b5 drives the rotating shaft 2b3 to rotate, so that the rotating shaft 2b3 drives the rotating plate 2b2 and the fixing plate 2b1 to rotate, so that the fixing plate 2b1 drives the second filter cartridge 2a to rotate, so that the second filter cartridge 2a enters the collecting cartridge 2c1, when the second filter cartridge 2a enters the collecting cartridge 2c1, the proximity switch 2c4 senses the fixing plate 2b1, so that the proximity switch 2c4 transmits a signal to the controller, the controller opens a water source connected with the nozzle 2c3, so that the nozzle 2c3 washes the second filter cartridge 2a, after a certain time, the controller starts the servo motor 2b6, so that the servo motor 2b6 rotates reversely, and further the second filter cartridge 2a collides with the top of the elastic blocking component 2d, when the second filter box 2a moves upwards, the abutting spring 2d2 abuts against the abutting plate 2d4 upwards, and the flow blocking plate 2d5 blocks the water inlet of the small impurity cleaning box 2, when the second filter box 2a presses the abutting plate 2d4 downwards, the bottom of the second filter box 2a abuts against the abutting plate 2d4 downwards, so that the abutting plate 2d4 does not block the water inlet of the small impurity cleaning box 2, the filtered sewage in the small impurity cleaning box 2 is introduced into the electrolytic cleaning box 3 through the connecting pipe, and by starting the power supply, two groups of the positive power contact 6a and the negative power contact 6d which are close to each other supply power to the four metal contacts 6c, and further, the current enters the two second graphite rods 4a and the two first graphite rods 3a through the wires connected to the four metal contacts 6c, therefore, the positive power contact 6a and the negative contact 6d and the two metal contacts 6c and 3a connected to one circuit are connected to the two metal contacts 6c and the two first graphite rods 3a Two first graphite rods 3a form a circuit, a positive power supply contact 6a and a negative power supply contact 6d connected to the circuit and two metal contacts 6c and two second graphite rods 4a form another circuit, current is introduced into the two second graphite rods 4a and the first graphite rods 3a through the two circuits, so that metal of cations in water is electrically connected to the first graphite rods 3a, the driving motor 5d is started regularly through the controller, the driving motor 5d drives the gear 5c to rotate, the gear 5c drives the toothed ring 5b to rotate, the toothed ring 5b drives the lantern ring 6b to rotate, the lantern ring 6b drives the four metal contacts 6c to rotate by one hundred eighty degrees, and the two metal contacts 6c are contacted with the other group of positive power supply contact 6a and the negative power supply contact 6d, so that the metal contact 6c connected with the negative power contact 6d is changed into the positive power contact 6a, the metal contact 6c connected with the positive power contact 6a is changed into the negative power contact 6d, the two first graphite rods 3a and the second graphite rod 4a are subjected to circuit exchange, the positive electrode of the original circuit is changed into the negative electrode, the negative electrode of the original circuit is changed into the positive electrode, the lantern ring 6b rotates and simultaneously drives the two first graphite rods 3a and the second graphite rod 4a connected with the connecting plate to move, the first graphite rod 3a rotating out from the electrolysis cleaning box 3 in the clockwise direction firstly collides with the second elastic baffle door 3d, the first graphite rod 3a is separated from the electrolysis cleaning box 3, then the first graphite rod 3a collides with the third elastic baffle door 4c, and the first graphite rod 3a enters the reduction reaction box 4, the second graphite rod 4a in the reduction reaction box 4 collides with the second strip-shaped avoiding notch 4b, then the graphite rod is separated from the reduction reaction box 4, and then the first elastic stop door 3c is abutted by the second graphite rod 4a, so that the second graphite rod 4a enters the electrolytic cleaning box 3, the adsorbed metal on the first graphite rod 3a entering the reduction reaction box 4 enters and loses electrons and flows into the solution in the reduction reaction box 4, and two second graphite rods 4a entering the electrolytic cleaning box 3 electrolyze the wastewater, the metal of cations in the wastewater is electrically connected to the second graphite rods 4a, and the rotating frame 5 drives the electrode exchange mechanism 6 to rotate clockwise for a certain time, and the processes are repeated, so that the metal ions in the wastewater are continuously extracted, and the filtering effect is achieved.

Claims

1. A river sewage treatment device is characterized by comprising a large impurity cleaning box (1), a small impurity cleaning box (2), an electrolysis cleaning box (3), a rotating frame (5) and a reduction reaction box (4), wherein the small impurity cleaning box (2) is positioned between the large impurity cleaning box (1) and the electrolysis cleaning box (3), a water inlet and a water outlet of the small impurity cleaning box (2) are communicated with a water outlet of the large impurity cleaning box (1) and a water inlet of the electrolysis cleaning box (3) through connecting pipes, a second filter box (2 a) for filtering small particle garbage is arranged on the water inlet of the small impurity cleaning box (2), a rotating assembly (2 b) for rotating the second filter box (2 a) is fixedly arranged on the small impurity cleaning box (2), and a collecting tower (2 c) for collecting garbage in the second filter box (2 a) is arranged beside the small impurity cleaning box (2), a second elastic stop door (3 d) for blocking the water inlet of the small impurity cleaning box (2) is arranged right below the second filter box (2 a), the reduction reaction box (4) is positioned at the side of the electrolysis cleaning box (3), a rotating frame (5) is arranged between the electrolysis cleaning box (3) and the reduction reaction box (4), an electrode exchange mechanism (6) is arranged at the top of the rotating frame (5), and the electrode exchange mechanism (6) is connected with the rotating frame (5) in a transmission way, two first graphite rods (3 a) and two second graphite rods (4 a) for electrolysis are respectively arranged in the electrolysis cleaning box (3) and the reduction reaction box (4), the two first graphite rods (3 a) and the two second graphite rods (4 a) are fixedly arranged on the electrode exchange mechanism (6) through four connecting plates, and the electrode exchange mechanism (6) is provided with two circuits which are respectively and electrically connected with the two first graphite rods (3 a) and the second graphite rod (4 a).

2. The river sewage treatment device according to claim 1, wherein the electrolytic cleaning box (3) and the reduction reaction box (4) are provided with two first strip-shaped avoidance gaps (3 b) and second strip-shaped avoidance gaps (4 b) for avoiding the first graphite rod (3 a) and the second graphite rod (4 a), the two first strip-shaped avoidance gaps (3 b) are provided with a first elastic stop gate (3 c) and a second elastic stop gate (3 d), the first elastic stop gate (3 c) is used for blocking one first strip-shaped avoidance gap (3 b) positioned inside the electrolytic cleaning box (3), the second elastic stop gate (3 d) is used for blocking the other first strip-shaped avoidance gap (3 b) positioned outside the electrolytic cleaning box (3), and the two second strip-shaped avoidance gaps (4 b) are provided with a third elastic stop gate (4 c) and a fourth elastic stop gate (4 d), the third elastic stop gate (4 c) is used for blocking one second strip-shaped avoiding notch (4 b) and is positioned inside the reduction reaction box (4), the fourth elastic stop gate (4 d) is used for blocking the other second strip-shaped avoiding notch (4 b) and is positioned outside the reduction reaction box (4), and the first elastic stop gate (3 c), the second elastic stop gate (3 d), the third elastic stop gate (4 c) and the fourth elastic stop gate (4 d) are sequentially distributed along the clockwise direction of the rotating frame (5).

3. The river sewage treatment device according to claim 2, wherein the second elastic stop door (3 d) comprises a hinged seat (3 d 1), a rotating rod (3 d 2), a resisting plate (3 d 3), a blocking block (3 d 4) and a pull ring (3 d 5), the hinged seat (3 d 1) is fixedly installed on the electrolytic cleaning box (3), the bottom end of the outer edge of the rotating rod (3 d 2) is hinged with the hinged seat (3 d 1), the top end of the rotating rod (3 d 2) is fixedly connected with the resisting plate (3 d 3), the resisting plate (3 d 3) is positioned on one side of the rotating rod (3 d 2) close to the electrolytic cleaning box (3), the blocking block (3 d 4) is clamped on the first strip-shaped avoiding notch (3 b) of the electrolytic cleaning box (3), the blocking block (3 d 4) is fixedly connected with the resisting plate (3 d 632), the pull ring (3 d 5) is positioned between the rotating rod (3 d 5963 d) and the pull ring (3 d 2), and the cleaning box (3 d 638) is provided with the electrolytic cleaning box (3 d) and the cleaning box (3), the two ends of the pull ring (3 d 5) are respectively fixedly connected with the two pull rings, and the first elastic stop door (3 c), the second elastic stop door (3 d), the third elastic stop door (4 c) and the fourth elastic stop door (4 d) have the same structure.

4. The river sewage treatment device according to claim 3, wherein the rotating frame (5) comprises a support tube (5 a), a gear ring (5 b), a gear (5 c), a driving motor (5 d), a motor plate (5 e), a baffle ring (5 f) and a baffle (5 h), the support tube (5 a) is vertically and fixedly installed on the ground, the electrode exchange mechanism (6) is rotatably installed on the support tube (5 a), the baffle ring (5 f) is fixedly installed on the support tube (5 a) and used for supporting the bottom of the electrode exchange mechanism (6), the baffle (5 h) is installed at the top end of the support tube (5 a) and used for positioning the top of the electrode exchange mechanism (6), the gear ring (5 b) is fixedly installed on the electrode exchange mechanism (6), the gear (5 c) is meshed with the gear ring (5 b), and the output end of the driving motor (5 d) is fixedly connected with the gear (5 c), the driving motor (5 d) is fixedly arranged on the motor plate (5 e), and the motor plate (5 e) is fixedly connected with the supporting pipe (5 a).

5. The river sewage treatment device according to claim 4, wherein the electrode exchange mechanism (6) comprises a lantern ring (6 b), two positive power contacts (6 a), a negative power contact (6 d) and four metal contacts (6 c), the lantern ring (6 b) is sleeved on the support tube (5 a), the top of the lantern ring (6 b) is abutted against the baffle (5 h), the bottom end of the lantern ring (6 b) is abutted against the baffle ring (5 f), the support tube (5 a) is provided with four first strip-shaped sockets (5 a 1), the four first strip-shaped sockets (5 a 1) are uniformly distributed along the circumferential direction of the support tube (5 a), the two positive power contacts (6 a) and the negative power contact (6 d) are respectively arranged on the four first strip-shaped sockets (5 a 1), and each positive power contact (6 a) is positioned between the positive power contact (6 a) and the lantern ring (6 b) along the circumferential direction, four second strip-shaped sockets (6 b 1) are arranged on the lantern ring (6 b), four metal contact blades (6 c) are fixedly arranged on the four second strip-shaped sockets (6 b 1), the four second strip-shaped sockets (6 b 1) are respectively contacted with two positive power contact blades (6 a) and two negative power contact blades (6 d), the supporting tube (5 a) and the lantern ring (6 b) are made of non-conductive materials, the lantern ring (6 b) is fixedly connected with the toothed ring (5 b), the lantern ring (6 b) is fixedly connected with a connecting plate connected with the two first graphite rods (3 a) and the second graphite rod (4 a), the two metal contact pieces (6 c) are electrically connected with the two first graphite rods (3 a) through leads, the other two metal contact pieces (6 c) are electrically connected with the second graphite rod (4 a) through leads, and each circuit is respectively and electrically connected with one positive power contact piece (6 a) and one negative power contact piece (6 d) which are close to each other.

6. The river sewage treatment device according to claim 5, wherein the large impurity cleaning tank (1) comprises a wastewater backflow component (1 a), a first baffle plate (1 b), an inclined sliding plate (1 e), a first wastewater tank (1 d), a collection box (1 h), a first filter box (1 i), two side plates (1 f) and a plurality of aeration pipes (1 c), the first wastewater tank (1 d) is fixedly installed on the ground, a water outlet of the first wastewater tank (1 d) is connected with a water inlet of the small impurity cleaning tank (2) through a connecting pipe, the first filter box (1 i) is slidably installed in the first wastewater tank (1 d) up and down, a guide strip for the first filter box (1 i) to slide up and down is arranged in the first wastewater tank (1 d), the first baffle plate (1 b) is fixedly installed in the first wastewater tank (1 d), and the plurality of aeration pipes (1 c) are fixedly installed on the outer edge of the first wastewater tank (1 d), and a plurality of aeration pipes (1 c) are positioned between the first baffle (1 b) and the first filter box (1 i), the water inlet of the first waste water box (1 d) is positioned at one side of the first waste water box (1 d) close to the opening of the first filter box (1 i), the top of one side of the first waste water box (1 d) close to the opening of the first filter box (1 i) is provided with a strip-shaped notch (1 d 1), an inclined sliding plate (1 e) is obliquely and fixedly arranged on the outer edge of one side of the first waste water box (1 d) close to the strip-shaped notch (1 d 1), the top end of the inclined sliding plate (1 e) is positioned below the strip-shaped notch (1 d 1), a collection box (1 h) is positioned at the bottom end of the inclined sliding plate (1 e), two side plates (1 f) are fixedly arranged at two sides of the inclined sliding plate (1 e), the height of the water outlet of the first waste water box (1 d) is positioned between the bottom of the strip-shaped notch (1 d 1) and the, the waste water backflow component (1 a) is fixedly arranged on the collection box (1 h) and used for backflow of waste water in the collection box (1 h) to the first waste water tank (1 d).

7. The river sewage treatment device according to claim 6, wherein the wastewater backflow component (1 a) comprises a second baffle plate (1 a 1), a filter screen (1 a 2), a one-way valve (1 a 3), a backflow pump (1 a 4) and a liquid level sensor (1 a 5), the second baffle plate (1 a 1) is vertically and fixedly installed in the collection box (1 h), the filter screen (1 a 2) is fixedly installed at the top of the second baffle plate (1 a 1), a water outlet is formed in the collection box (1 h), the water outlet is located at one side of the collection box (1 h) close to the second baffle plate (1 a 1), the liquid level sensor (1 a 5) is fixedly installed at the outer edge of one side of the collection box (1 h) close to the liquid level sensor (1 a 5), the liquid level sensor (1 a 5) is located above the second baffle plate (1 a 1), and the backflow pump (1 a 4) is located at the outer side of the collection box (1 h), and be provided with the return water mouth that is used for collecting the interior waste water backward flow of box (1 h) on first waste water tank (1 d), the return water mouth is located between first baffle (1 b) and first filter cartridge (1 i), and check valve (1 a 3) fixed mounting is on the return water mouth, and the water inlet of backwash pump (1 a 4) passes through the pipe and is connected with the delivery port of collecting box (1 h), the delivery port of backwash pump (1 a 4) passes through the pipe and is connected with the water inlet of check valve (1 a 3).

8. The river sewage treatment device according to claim 7, wherein the rotating assembly (2 b) comprises a rotating plate (2 b 2), a rotating shaft (2 b 3), a rotating base (2 b 4), a reducer (2 b 5) and a servo motor (2 b 6), two fixing plates (2 b 1) are respectively fixed at two sides of the top end of the second filter box (2 a), one end of the rotating plate (2 b 2) is fixedly connected with the fixing plate (2 b 1), the other end of the rotating plate (2 b 2) is fixedly connected with one end of the rotating shaft (2 b 3), the other end of the rotating shaft (2 b 3) passes through the rotating base (2 b 4) and is fixedly connected with the reducer (2 b 5) through a coupler, the reducer (2 b 5) is fixedly mounted on the small impurity clean box (2) through a motor frame, the rotating base (2 b 4) is fixedly mounted at the top of the small impurity clean box (2), and the rotating base (2 b 4) is rotatably connected with the rotating base (2 b 3), servo motor (2 b 6) fixed mounting is on subtracting counter (2 b 5), collection tower (2 c) is including collecting box (2 c 1), supporting leg (2 c 2), proximity switch (2 c 4) and four shower nozzles (2 c 3), collect box (2 c 1) fixed mounting at the top of supporting leg (2 c 2), four shower nozzles (2 c 3) fixed mounting are at the bottom of collecting box (2 c 1), proximity switch (2 c 4) fixed mounting is collected box (2 c 1) and is kept away from on the one side outer wall of little impurity clean box (2), set up the breach of dodging that is used for dodging fixed plate (2 b 1) and commentaries on classics board (2 b 2) on collecting box (2 c 1).

9. The river sewage treatment device according to claim 8, wherein the elastic plugging component (2 d) comprises a guide plate (2 d 3), a resisting plate (2 d 4), a flow baffle plate (2 d 5), two guide posts (2 d 1) and an abutting spring (2 d 2), the guide plate (2 d 3) is fixedly installed on the small impurity cleaning box (2), the resisting plate (2 d 4) is positioned right below the second filter box (2 a), the tops of the two guide posts (2 d 1) and the bottom of the resisting plate (2 d 4) are fixedly connected with the two abutting springs (2 d 2) which are respectively sleeved on the two guide posts (2 d 1), the flow baffle plate (2 d 5) is fixedly installed on one side of the bottom of the resisting plate (2 d 4) close to the water inlet of the small impurity cleaning box (2), the flow baffle plate (2 d 5) abuts against the inner wall of the small impurity cleaning box (2), and the top of the spring (2 d 2) and the resisting plate (2 d 4), the bottom of the abutting spring (2 d 2) abuts against the guide plate (2 d 3).

10. A using method of a river sewage treatment device, which is characterized in that,

firstly, river wastewater is connected with a water inlet on a first wastewater tank (1 d), and then the wastewater enters the first wastewater tank (1 d), and then the first filter box (1 i) filters the wastewater in the river, large-particle garbage and floating objects in the river wastewater are filtered by the first filter box (1 i), so that the floating objects of the first filter box (1 i) float up in the first filter box (1 i), and due to the action of a strip-shaped notch (1 d 1), the floating garbage floats out of the strip-shaped notch (1 d 1) to an inclined sliding plate (1 e), and then the floating objects slide into a collection box (1 h) along the inclined sliding plate (1 e), and because the wastewater also contains sediments, the sediments are isolated by a first baffle plate (1 b), and an air source is connected with an aeration pipe (1 c), so that anaerobic microorganisms in the wastewater in the first wastewater tank (1 d) are killed, the floating garbage can more easily enter the inclined sliding plate (1 e) by the fact that gas overflows from the water and vibrates the water surface, and as the wastewater in the first wastewater tank (1 d) enters the collection box (1 h) along with the floating garbage, when the wastewater is sensed by the liquid level sensor (1 a 5), a signal is transmitted to the controller, the controller controls the reflux pump (1 a 4) to start, so that the wastewater in the collection box (1 h) flows back to the first wastewater tank (1 d), and the precipitate is prevented from entering a position between the filter screen (1 a 2) and the water outlet of the collection box (1 h) by the second baffle (1 a 1), so that the first filtering of the river wastewater is completed;

s2: filtering small impurities in the river wastewater;

then filtering the small particle garbage by a second filter box (2 a) on the small impurity cleaning box (2), starting a servo motor (2 b 6) at regular time by a controller, further enabling a servo motor (2 b 6) to drive a counter reducer (2 b 5) to work, further enabling the counter reducer (2 b 5) to drive a rotating shaft (2 b 3) to rotate, enabling a rotating shaft (2 b 3) to drive a rotating plate (2 b 2) and a fixing plate (2 b 1) to rotate, further enabling a fixing plate (2 b 1) to drive a second filter box (2 a) to rotate, enabling the second filter box (2 a) to enter a collecting box (2 c 1), enabling a proximity switch (2 c 4) to drive the fixing plate (2 b 1) to rotate after the second filter box (2 a) enters the collecting box (2 c 1), further enabling the proximity switch (2 c 4) to transmit a signal to the controller, and enabling the controller to sense that a water source connected with a spray head (2 c 3) is opened, then the spray head (2 c 3) is enabled to wash the second filter box (2 a), when a certain time passes, the controller starts the servo motor (2 b 6) to enable the servo motor (2 b 6) to rotate reversely, the second filter box (2 a) is enabled to collide with the top of the elastic blocking component (2 d), when the second filter box (2 a) moves upwards, the collision spring (2 d 2) is enabled to upwards collide with the abutting plate (2 d 4), the flow blocking plate (2 d 5) is enabled to block the water inlet of the small impurity cleaning box (2), and when the second filter box (2 a) presses the abutting plate (2 d 4) downwards, the bottom of the second filter box (2 a) is enabled to downwards collide with the abutting plate (2 d 4), and the abutting plate (2 d 4) is enabled not to block the water inlet of the small impurity cleaning box (2);

s3: electrolyzing the sewage;

by starting a power supply, two groups of positive power contact pieces (6 a) and negative power contact pieces (6 d) which are close to each other supply power to four metal contact pieces (6 c), and then current enters two second graphite rods (4 a) and two first graphite rods (3 a) through leads connected to the four metal contact pieces (6 c), so that the positive power contact pieces (6 a) and the negative power contact pieces (6 d) connected to one circuit, the two metal contact pieces (6 c) and the two first graphite rods (3 a) form one circuit, the positive power contact pieces (6 a) and the negative power contact pieces (6 d) connected to one circuit, the two metal contact pieces (6 c) and the two second graphite rods (4 a) form another circuit, and then the two second graphite rods (4 a) and the first graphite rods (3 a) are connected with current through the two circuits, so that the metal of the cation in the water is electrically connected to the first graphite rod (3 a);

s4: switching electrodes;

the driving motor (5 d) is started by the controller at regular time, then the driving motor (5 d) drives the gear (5 c) to rotate, then the gear (5 c) drives the toothed ring (5 b) to rotate, further the toothed ring (5 b) drives the lantern ring (6 b) to rotate, further the lantern ring (6 b) drives the four metal contact pieces (6 c) to rotate by one hundred eighty degrees, so that the two metal contact pieces (6 c) are contacted with the other group of positive power contact pieces (6 a) and the negative power contact pieces (6 d), the metal contact piece (6 c) originally connected with the negative power contact piece (6 d) is changed into the positive power contact piece (6 a), the metal contact piece (6 c) originally connected with the positive power contact piece (6 a) is changed into the negative power contact piece (6 d), and then the two first graphite rods (3 a) and the second graphite rod (4 a) are subjected to circuit exchange, the positive pole of the original circuit is changed into the negative pole, the negative pole of the original circuit is changed into the positive pole, and then the adsorbed metal on the first graphite rod (3 a) entering into the reduction reaction box (4) enters into the solution losing electrons and flowing into the reduction reaction box (4), and two second graphite rods (4 a) entering into the electrolysis cleaning box (3) electrolyze the wastewater, and the metal of the positive ions in the water is electrically connected to the second graphite rods (4 a);

s5: switching the graphite rods;

the lantern ring (6 b) rotates and simultaneously drives two first graphite rods (3 a) and two second graphite rods (4 a) connected to the connecting plate to move, the first graphite rod (3 a) which rotates out of the electrolytic cleaning box (3) in the clockwise direction is firstly abutted against the second elastic stop gate (3 d), so that the first graphite rod (3 a) is separated from the electrolytic cleaning box (3), then the first graphite rod (3 a) is abutted against the third elastic stop gate (4 c), so that the first graphite rod (3 a) enters the reduction reaction box (4), the second graphite rod (4 a) in the reduction reaction box (4) is abutted against the second strip avoiding notch (4 b), then the first graphite rod (3 a) is separated from the reduction reaction box (4), and then the second graphite rod (4 a) is abutted against the first elastic stop gate (3 c), and then the second graphite rod (4 a) enters the electrolytic cleaning box (3).