CN113845269A

CN113845269A - Sewage treatment device based on electrochemistry and biofiltration

Info

Publication number: CN113845269A
Application number: CN202111108602.5A
Authority: CN
Inventors: 关会娟; 程景惠; 赵亚婔; 卫娜; 葛素香; 杨启; 万聪聪
Original assignee: Xuchang University
Current assignee: Xuchang University
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2021-12-28
Anticipated expiration: 2041-09-22
Also published as: CN113845269B

Abstract

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device based on electrochemistry and biological filtration. According to the invention, the filter screen is used for blocking the sundry garbage in the raw water, the sundry garbage and the like pass through the through groove and fall into the collecting box to enter the collecting frame for collection, the sundry garbage and the like enter the electrochemical reaction tank and then are subjected to electrochemical reaction treatment through the polar plate, the treated water enters the sedimentation tank for sedimentation, and the sludge is discharged to the outside through the discharge pipe through the auger, so that the sewage is subjected to biological treatment after the electrochemical reaction treatment, the two methods are conveniently and synchronously used, the purification efficiency of sewage treatment is obviously improved, the treated water quality is better, and the using effect of sewage treatment is better.

Description

Sewage treatment device based on electrochemistry and biofiltration

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device based on electrochemistry and biological filtration.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly carried into daily life of common people, and the methods for treating sewage are many and can be generally summarized into physical methods, chemical methods, biological methods and the like.

The electrochemical treatment method is a waste water treatment method for separating and removing pollutants in a dissolved and colloidal state in waste water or converting the pollutants into harmless substances through chemical reaction and mass transfer action, and the waste water electrolysis treatment method is a method for purifying harmful substances in the waste water by converting the harmful substances into the harmless substances through electrolysis by applying the basic principle of electrolysis. The electrolytic treatment of the wastewater comprises the processes of electrochemical action on the surface of an electrode, indirect oxidation and indirect reduction, electro-flotation, electro-flocculation and the like, pollutants in the wastewater are removed under different actions, the chemical treatment method has good treatment effect and high cost, and the wastewater is mostly used as effluent after biochemical treatment for further treatment, so that the quality of the effluent is improved.

The biological method is to decompose and oxidize organic matters in a dissolved or colloidal state in sewage into stable inorganic substances by utilizing the metabolism function of microorganisms to purify the sewage, and an activated sludge method and a biofilm method are commonly used, so that the biological sewage treatment can be applied to various types of sewage treatment such as petroleum, petrifaction, chemical industry, metallurgy, machinery, leather, coal gasification, food, brewing, daily chemicals, printing and dyeing, pharmacy, paper making, urban sewage and the like, and sewage treatment of large-area water areas such as rivers, lakes and the like.

In the prior art, a single treatment method is usually adopted for sewage treatment, a biological method is mainly used for degrading organic matters in sewage, an electrochemical method is mainly used for converting insoluble suspended matters into harmless substances, the two methods are not used simultaneously, the purification efficiency of sewage treatment is influenced, the water quality after sewage treatment is difficult to ensure, and the using effect of sewage treatment is poor.

Disclosure of Invention

In order to solve the problems, the invention provides a sewage treatment device based on electrochemistry and biological filtration.

In order to achieve the above object, the present invention adopts the following technical solutions:

the utility model provides a sewage treatment plant based on electrochemistry and biofiltration, the water inlet pipe comprises a water inlet pipe, the inlet tube middle part is equipped with filtering component, inlet tube right-hand member intercommunication has electrochemical reaction pond, electrochemical reaction pond right-hand member is equipped with the sedimentation tank, the sedimentation tank right-hand member is equipped with the biofilter, the biofilter right-hand member is equipped with the clean water basin, filtering component includes the filter screen, logical groove has been seted up to inlet tube middle part outer wall, logical groove left wall lower extreme rotates and is connected with the bull stick, it has the dog to lead to the inside joint of groove, inlet tube middle part lower surface has set firmly collects the box, symmetrical structure has set firmly two springs around collecting the inside left wall of box, collect the inside lower extreme sliding connection of box and have the collection frame, collect frame left wall middle part and set firmly the handle.

Preferably, the filter screen is fixed with inlet tube middle part inner wall connection, and filter screen bottom surface left end lies in the coplanar with logical groove right wall, and the dog left end is fixed with the wall connection of bull stick right side, collects the box and is linked together with leading to the groove, and the spring right-hand member is fixed with the dog bottom surface connection.

Preferably, electrochemical reaction pond, sedimentation tank, biological filter and clean water basin all are linked together through the pipeline, and the water pump has all been cup jointed at two pipeline middle parts that are located the left end, and the water pump that is located the left end passes through the mount pad to be installed in electrochemical reaction pond right side wall upper end, and the water pump that is located the right-hand member passes through the mount pad to be installed in sedimentation tank right side wall upper end, and biological filter right side wall lower extreme is linked together with the pipeline that is located the right-hand member, and inlet tube front end bottom sets firmly the pole setting.

Preferably, the electrochemical reaction tank includes C type piece, it has two sliders to be bilateral symmetry structure sliding connection on the C type piece, the slider bottom surface has set firmly the polar plate, polar plate top surface front end is equipped with the wiring end admittedly, C type piece middle part has set firmly the fixed block, the voltmeter has been cup jointed on the fixed block, C type piece lower extreme rotates and is connected with the two-way screw rod, two-way screw rod left end coaxial coupling has the rocker, the slider passes through screw hole and two-way screw rod threaded connection, two-way screw rod rotates with the fixed block to be connected, slider and fixed block are the insulating material preparation, the polar plate that is located the left end is the anode plate, the polar plate that is located the right-hand member is the cathode plate, electrochemical reaction tank left wall lower extreme intercommunication has the sewage pipe that has the valve, electrochemical reaction tank rear end top sets firmly the blowdown piece.

Preferably, the pipeline front end intercommunication that is located the leftmost end has the circular block, the inside impeller that is equipped with of circular block, the pivot has been cup jointed at the impeller middle part, the pivot passes the pipeline inner wall that is located the leftmost end and extends to the upper end and cup jointed bevel gear A, bevel gear A upside is equipped with even axle, even epaxial be the align to grid structure and cup jointed a plurality of bevel gear B, symmetrical structure is equipped with a plurality of guide plates around being inside upper end of electrochemical reaction cell, the guide plate lower extreme has set firmly the round bar, the round bar right-hand member passes electrochemical reaction cell inner wall and extends to the outside and cup jointed bevel gear C, even epaxial be linear equidistant structure and rotate and be connected with a plurality of supporting shoes, bevel gear A meshes with the bevel gear B that is located the middle part and is connected, the round bar rotates with electrochemical reaction cell and is connected, bevel gear C meshes with bevel gear B and is connected, the pivot rotates with the pipeline that is located the leftmost end and is connected.

Preferably, the conical groove has been seted up to the inside bottom surface of sedimentation tank, the conical groove front end intercommunication has the discharging pipe, the inside auger that is equipped with of discharging pipe, the auger back wall has set firmly the disc ring gear, the conical groove middle part is equipped with the sleeve pipe, the sleeve pipe middle part is rotated and is connected with the cylinder, gear A has been cup jointed to the cylinder upper end, the cylinder upper end is passed the cover inside pipe wall and is extended to the outside and set firmly the scraper blade, motor A is installed through the mount pad to sedimentation tank front surface lower extreme, the disc ring gear is connected with gear A meshing, scraper blade and conical groove frictional contact, the scraper blade is the slope structure, motor A output shaft passes the discharging pipe outer wall and extends to inside and with auger coaxial coupling, the auger rear end rotates with the sleeve pipe to be connected.

Preferably, the disc has been set firmly to biological filter inner wall bottom surface, the disc is hollow structure, a plurality of aeration holes have been seted up to the disc top surface is the annular array structure, the air-blower is installed through the mount pad to biological filter front surface lower extreme, the inside sliding connection of biological filter has the support, two racks have all been set firmly to two walls around on the support, symmetrical structure is equipped with two connecting rods around the biological filter top is, it has two gear B to be cup jointed to be bilateral symmetry structure on the connecting rod, the gear B left and right sides all is equipped with a piece, the connecting rod left end is equipped with gear C admittedly, biological filter left end top is equipped with the conveyer belt, the open slot has been seted up at support rear wall middle part, the inside sliding connection of open slot has the baffle, the baffle top surface has two adjusting handle through screw hole threaded connection, motor B is installed through the mount pad to biological filter left wall upper end, the connecting rod that is located the rear end and motor B output shaft coaxial coupling.

Preferably, the rear end of the air blower penetrates through the outer wall of the biological filter, extends to the inner wall of the biological filter and is communicated with the disc, the rack is connected with the biological filter in a sliding mode, the gear B is connected with the rack in a meshed mode, the upper end of the support block is connected with the connecting rod in a rotating mode, the bottom surface of the support block is connected and fixed with the top surface of the biological filter, the inner portion of the conveyor belt is connected with the gear C in a meshed mode, the adjusting hand wheel penetrates through the baffle and is in threaded connection with the baffle through a threaded hole, the bottom surface of the support is hollow, and the connecting rod located at the rear end is connected and fixed with the output shaft of the motor B.

Preferably, biological filter top surface right-hand member has set firmly the support, the recess is seted up to support left wall upper end, the inside rotation of recess is connected with the lead screw, screw rod middle part threaded connection has the piece of spraying, spray piece and recess sliding connection, it is a plurality of holes of spraying that the piece bottom surface is the align to grid structure to spray, it has the hose to spray piece top surface middle part intercommunication, the hose is linked together with the pipeline that is located the middle part, motor C is installed through the mount pad to the support front end, motor C output shaft passes the support outer wall and extends to the inner wall and with lead screw coaxial coupling.

A sewage treatment method based on electrochemistry and biological filtration is characterized by comprising the following steps:

and (3) filtering: carry outside raw water to electrochemical reaction pond inside through the inlet tube, debris rubbish etc. in the raw water in transportation process stop at the filter screen left end, debris rubbish etc. when piling up a basis weight on the dog, it is rotatory along the bull stick to promote the dog, the spring is compressed this moment, make dog and logical groove separation, debris rubbish etc. pass through the logical groove and fall into the inside collection frame that gets into of collection box and collect this moment, the restoring force of spring promotes the dog and leads to the groove joint and collects once more this moment, the pulling handle will be collected the frame and slide along collecting the box and take out and empty the debris rubbish etc. of collecting.

Electrochemical reaction: the device is characterized in that the device is respectively connected with the positive electrode and the negative electrode of an external direct current power supply through wiring terminals, the bidirectional screw rods synchronously rotate by rotating a rocker, the slide block synchronously and relatively moves along the bidirectional screw rods at the moment to drive a polar plate to synchronously move, a voltmeter is observed to be adjusted to a maximum voltage value, water which completes electrochemical reaction is discharged from a pipeline to a sedimentation tank through a water pump to drive an impeller to rotate so that a rotating shaft drives a bevel gear A to rotate, the bevel gear A is meshed and driven to a bevel gear B to drive a bevel gear C to synchronously rotate through a connecting shaft, the bevel gear C drives a round rod to enable a guide plate to rotate anticlockwise, and the guide plate pushes water surface floating objects in the electrochemical reaction tank to a sewage discharge block to be discharged to the outside for treatment.

And (3) precipitation: water after electrochemical reaction treatment enters a sedimentation tank for sedimentation, sludge accumulated at the lower end inside the sedimentation tank is regularly cleaned after sedimentation, a motor A drives an auger to rotate, the auger discharges the sludge to the outside through a discharge pipe and collects the sludge, the auger drives a disc gear ring to rotate synchronously while rotating, the disc gear ring is meshed with a gear A to drive a cylinder to rotate, and a scraper blade scrapes the sludge accumulated on the upper surface of a conical groove and falls into the discharge pipe so as to conveniently discharge the sludge.

Due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the invention blocks the sundry garbage in the raw water through the filter screen, when the sundry garbage and the like are accumulated on the check block to a certain weight, the check block is pushed to rotate along the rotating rod, the sundry garbage and the like pass through the through groove and fall into the interior of the collecting box to be collected, the sundry garbage and the like enter the electrochemical reaction tank to be subjected to electrochemical reaction treatment through the polar plate, the treated water enters the sedimentation tank to be precipitated, the sludge is discharged to the outside through the discharge pipe through the auger, the scraper blade is simultaneously driven to scrape the sludge accumulated on the upper surface of the conical groove and fall into the discharge pipe so as to conveniently discharge the sludge, and the precipitated water is conveyed to the hose through the water pump, enters the spraying block and is sprayed to the upper surface of the biological filler through the spraying hole to be biologically filtered. The problem of sewage treatment usually adopt single processing method, biological method and electrochemical method can't use simultaneously, have influenced sewage treatment's purification efficiency, the quality of water after sewage treatment is difficult to guarantee, sewage treatment result of use is not good enough is solved, it carries out biological method treatment again to the sewage after carrying out electrochemical reaction treatment, has made things convenient for the synchronous use of two kinds of methods, is showing the purification efficiency who improves sewage treatment, and the quality of water after the processing is better, and sewage treatment result of use is better.

2. Through the use of the spring and the stop block, the automatic dumping of sundries, garbage and the like blocked by the filter screen is facilitated, the smoothness of a water inlet pipe is ensured, and the water inlet efficiency of raw water is improved; the distance between the positive and negative plates is adjusted by rotating the bidirectional screw, different sewage is conveniently treated and adjusted to proper voltage, the electrochemical treatment effect is improved, the impeller is driven to rotate by water flowing out of the pipeline positioned at the leftmost end, the impeller is sequentially driven to the rotating shaft, the bevel gear A, the bevel gear B, the rotating rod and the bevel gear C, the round rod drives the scraper to push the water surface floaters in the electrochemical reaction tank to the sewage discharge block to be discharged to the outside, the fishing efficiency of the floaters is remarkably improved, and the time-saving and labor-saving use effects are better.

3. According to the invention, the motor A drives the auger to rotate to clean sludge in the sedimentation tank, and simultaneously drives the scraper to scrape sludge accumulated on the upper surface of the conical groove, so that the sludge discharge smoothness is ensured, the blockage is avoided, the use cost is reduced, the energy is saved, the environment is protected, the rack is driven to move up and down by the rotation of the motor C which drives the connecting rod and the gear C, the support is convenient to move up and down, the use of the baffle plate is matched, the biological filler in the support is convenient to sample and replace, the growth condition and the filtering effect of a biological film on the surface of the biological filler are convenient to observe, the normal operation of biological filtration is ensured, the structure is simple, and the operation is convenient.

Drawings

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

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

FIG. 2 is a sectional view of the structure of the water inlet pipe of the present invention;

FIG. 3 is a schematic view of the structure of an electrochemical reaction cell according to the present invention;

FIG. 4 is a cross-sectional view of a circular block structure of the present invention;

FIG. 5 is a schematic view of the construction of the squeegee of the present invention;

FIG. 6 is a sectional view of the sedimentation tank structure of the present invention;

FIG. 7 is an enlarged view of the structure at A of the present invention;

FIG. 8 is a sectional view of a biofilter construction according to the present invention;

FIG. 9 is a cross-sectional view of a stent structure of the present invention;

FIG. 10 is an enlarged view of the structure at B of the present invention;

fig. 11 is a cross-sectional view of a standoff structure of the present invention.

The reference numbers in the figures illustrate: 1. a water inlet pipe; 2. a filter assembly; 201. a filter screen; 202. a rotating rod; 203. a stopper; 204. a collection box; 205. a spring; 206. a collection frame; 207. a handle; 208. a through groove; 3. an electrochemical reaction cell; 301. a C-shaped block; 302. a slider; 303. A polar plate; 304. a terminal; 305. a fixed block; 306. a voltmeter; 307. a circular block; 308. an impeller; 309. a rotating shaft; 310. a bevel gear A; 311. a connecting shaft; 312. a bevel gear B; 313. a baffle; 314. a round bar; 315. a bevel gear C; 316. a support block; 317. a bidirectional screw; 318. a rocker; 319. a sewage pipe; 320. a sewage disposal block; 4. a sedimentation tank; 401. a tapered groove; 402. a discharge pipe; 403. a packing auger; 404. a disk gear ring; 405. a sleeve; 406. a cylinder; 407. a squeegee; 408. a motor A; 409. a gear A; 5. a biological filter; 501. a disc; 502. an aeration hole; 503. a blower; 504. a support; 505. a rack; 506. a connecting rod; 507. a gear B; 508. supporting a block; 509. a conveyor belt; 510. an open slot; 511. a baffle plate; 512. adjusting a hand wheel; 513. a motor B; 514. a support; 515. A groove; 516. a screw mandrel B; 517. spraying blocks; 518. a spray orifice; 519. a hose; 520. A motor C; 521. a gear C; 6. a clean water tank; 7. a pipeline; 8. and (4) a water pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Example 1

As shown in fig. 1-2, a sewage treatment device based on electrochemistry and biological filtration, including inlet tube 1, inlet tube 1 middle part is equipped with filter assembly 2, inlet tube 1 right-hand member intercommunication has electrochemical reaction pond 3, electrochemical reaction pond 3 right-hand member is equipped with sedimentation tank 4, sedimentation tank 4 right-hand member is equipped with biological filter 5, biological filter 5 right-hand member is equipped with clean water basin 6, filter assembly 2 includes filter screen 201, logical groove 208 has been seted up to inlet tube 1 middle part outer wall, logical groove 208 left wall lower extreme rotates and is connected with bull stick 202, logical groove 208 inside joint has dog 203, inlet tube 1 middle part lower surface has set firmly collection box 204, the inside left wall of collection box 204 is fore-and-aft symmetrical structure and has set firmly two springs 205, the inside lower extreme sliding connection of collection box 204 has collection frame 206, collection frame 206 left wall middle part has set firmly handle 207.

Filter screen 201 and inlet tube 1 middle part inner wall are connected fixedly, and filter screen 201 bottom surface left end and logical groove 208 right wall are located the coplanar, and the dog 203 left end is connected fixedly with bull stick 202 right wall, and collection box 204 is linked together with logical groove 208, and the spring 205 right end is connected fixedly with dog 203 bottom surface.

Electrochemical reaction pond 3, sedimentation tank 4, biological filter 5 and clean water basin 6 all are linked together through pipeline 7, two pipeline 7 middle parts that are located the left end have all been cup jointed water pump 8, the water pump 8 that is located the left end is installed in electrochemical reaction pond 3 right side wall upper end through the mount pad, the water pump 8 that is located the right-hand member is installed in sedimentation tank 4 right side wall upper end through the mount pad, 5 right side wall lower extremes of biological filter are linked together with the pipeline 7 that is located the right-hand member, 1 front end bottom of inlet tube has set firmly the pole setting.

The working principle of the invention is that when the invention is used, external raw water is firstly conveyed into the electrochemical reaction tank 3 through the water inlet pipe 1, sundry garbage and the like in the raw water stay at the left end of the filter screen 201 in the conveying process, when the sundry garbage and the like are accumulated on the stop block 203 to a certain weight, the stop block 203 is pushed to rotate along the rotating rod 202, the spring 205 is compressed at the moment, the stop block 203 is separated from the through groove 208, the sundry garbage and the like fall into the collection box 204 through the through groove 208 to enter the collection frame 206 for collection, at the moment, the restoring force of the spring 205 pushes the stop block 203 to be clamped with the through groove 208 for collection again, and the collected sundry garbage and the like are poured by pulling the handle 207 to slide the collection frame 206 along the collection box 204 to take out.

Example 2

As shown in fig. 3-5, based on embodiment 1, the electrochemical reaction tank 3 includes a C-shaped block 301, two sliding blocks 302 are slidably connected to the C-shaped block 301 in a bilateral symmetry structure, a polar plate 303 is fixedly disposed on a bottom surface of the sliding block 302, a terminal 304 is fixedly disposed at a front end of a top surface of the polar plate 303, a fixed block 305 is fixedly disposed at a middle portion of the C-shaped block 301, a voltmeter 306 is sleeved on the fixed block 305, a bidirectional screw 317 is rotatably connected to a lower end of the C-shaped block 301, a rocker 318 is coaxially connected to a left end of the bidirectional screw 317, the sliding block 302 is in threaded connection with the bidirectional screw 317 through a threaded hole, the bidirectional screw 317 is rotatably connected to the fixed block 305, the sliding block 302 and the fixed block 305 are made of an insulating material, the polar plate 303 at a right end of a left end is an anode plate, the polar plate 303 at a cathode plate at a left end of the electrochemical reaction tank 3 is communicated with a sewage pipe 319 with a valve, and a sewage discharge block 320 is fixedly disposed at a top surface at a rear end of the electrochemical reaction tank 3.

The front end of the pipeline 7 at the leftmost end is communicated with a circular block 307, an impeller 308 is arranged inside the circular block 307, a rotating shaft 309 is sleeved in the middle of the impeller 308, the rotating shaft 309 penetrates through the inner wall of the pipeline 7 at the leftmost end to extend to the upper end and is sleeved with a bevel gear A310, a connecting shaft 311 is arranged on the upper side of the bevel gear A310, a plurality of bevel gear B312 are sleeved on the connecting shaft 311 in an evenly-arranged structure, a plurality of guide plates 313 are arranged at the upper end inside the electrochemical reaction tank 3 in a front-back symmetrical structure, a round rod 314 is fixedly arranged at the lower end of each guide plate 313, the right end of each round rod 314 penetrates through the inner wall of the electrochemical reaction tank 3 to extend to the outside and is sleeved with a bevel gear C315, a plurality of support blocks 316 are rotatably connected on the connecting shaft 311 in a linear equidistant structure, the bevel gear A310 is meshed with the bevel gear B312 at the middle, the round rod 314 is rotatably connected with the electrochemical reaction tank 3, the bevel gear C315 is meshed with the bevel gear B312, and the rotating shaft 309 is rotatably connected with the pipeline 7 at the leftmost end.

When the device is used, the device is respectively connected with the positive electrode and the negative electrode of an external direct-current power supply through the terminal 304, the bidirectional screw 317 synchronously rotates by rotating the rocker 318, at the moment, the sliding block 302 synchronously and relatively moves along the bidirectional screw 317 to be adjusted to a proper polar distance to drive the polar plate 303 to synchronously move, the voltmeter 306 is observed to be adjusted to a maximum voltage value, water which completes electrochemical reaction is discharged from the pipeline 7 to the sedimentation tank 4 through the water pump 8, the impeller 308 is driven to rotate to drive the rotating shaft 309 to drive the bevel gear A310 to rotate, the bevel gear A310 is meshed and driven to the bevel gear B312 to drive the bevel gear C315 to synchronously rotate through the connecting shaft 311, the bevel gear C315 drives the round rod 314 to enable the guide plate 313 to rotate anticlockwise, and the guide plate 313 pushes water surface floating objects in the electrochemical reaction tank 3 to the sewage discharge block 320 to be discharged to the outside for treatment.

Example 3

As shown in fig. 6-7, on the basis of embodiment 2, a tapered groove 401 is formed in the bottom surface inside the sedimentation tank 4, a discharge pipe 402 is communicated with the front end of the tapered groove 401, an auger 403 is arranged inside the discharge pipe 402, a disc ring gear 404 is fixedly arranged on the rear wall of the auger 403, a sleeve 405 is arranged in the middle of the tapered groove 401, a cylinder 406 is rotatably connected to the middle of the sleeve 405, a gear a409 is sleeved on the upper end of the cylinder 406, a scraper 407 is fixedly arranged on the upper end of the cylinder 406, the upper end of the cylinder 406 penetrates through the inner wall of the sleeve 405 and extends to the outside, a motor a408 is mounted on the lower end of the front surface of the sedimentation tank 4 through a mounting seat, the disc ring gear 404 is meshed with the gear a409 and is in frictional contact with the tapered groove 401, the scraper 407 is in an inclined structure, an output shaft of the motor a408 penetrates through the outer wall of the discharge pipe 402 and extends to the inside and is coaxially connected with the auger 403, and the rear end of the auger 403 is rotatably connected with the sleeve 405.

During the use, water after electrochemical reaction treatment enters the sedimentation tank 4 to be sedimentated, the accumulated sludge at the lower end in the sedimentation tank 4 is regularly cleaned after sedimentation, the packing auger 403 is driven to rotate through the motor A408, the packing auger 403 discharges the sludge to the outside through the discharge pipe 402 to be collected, the packing auger 403 drives the disc gear ring 404 to synchronously rotate while rotating, the disc gear ring 404 is meshed with and drives the gear A409 to drive the cylinder 406 to rotate, and the scraper 407 scrapes the accumulated sludge on the upper surface of the conical groove 401 and falls into the discharge pipe 402 to conveniently discharge the sludge.

Example 4

As shown in fig. 8-11, on the basis of embodiment 3, a disc 501 is fixedly arranged on the bottom surface of the inner wall of the biofilter 5, the disc 501 is of a hollow structure, the top surface of the disc 501 is of an annular array structure and is provided with a plurality of aeration holes 502, the lower end of the front surface of the biofilter 5 is provided with a blower 503 through a mounting seat, a support 504 is slidably connected inside the biofilter 5, two racks 505 are fixedly arranged on the front wall and the rear wall of the support 504 in a bilateral symmetry structure, two connecting rods 506 are arranged above the biofilter 5 in a anteroposterior symmetry structure, two gears B507 are sleeved on the connecting rods 506 in a bilateral symmetry structure, support blocks 508 are arranged on the left side and the right side of each gear B507, a gear C521 is fixedly arranged at the left end of each connecting rod 506, a conveyor belt 509 is arranged above the left end of the biofilter 5, an open slot 510 is arranged in the middle of the rear wall of the support 504, a baffle 511 is slidably connected inside the open slot 510, and the top surface of the baffle 511 is connected with two adjusting handwheels 512 through screw threads, the upper end of the left wall of the biological filter 5 is provided with a motor B513 through a mounting seat, and a connecting rod 506 positioned at the rear end is coaxially connected with an output shaft of the motor B513.

The rear end of the blower 503 penetrates through the outer wall of the biological filter 5 to extend to the inner wall and is communicated with the disc 501, the rack 505 is in sliding connection with the biological filter 5, the gear B507 is in meshing connection with the rack 505, the upper end of the support block 508 is in rotating connection with the connecting rod 506, the bottom surface of the support block 508 is fixedly connected with the top surface of the biological filter 5, the inner part of the conveyor belt 509 is in meshing connection with the gear C521, the adjusting hand wheel 512 penetrates through the baffle 511 and is in threaded connection with the baffle 511 through a threaded hole, the bottom surface of the support 504 is hollow, and the connecting rod 506 positioned at the rear end is fixedly connected with the output shaft of the motor B513.

5 top surface right-hand member in biological filter sets firmly support 514, support 514 left wall upper end has seted up recess 515, the inside rotation of recess 515 is connected with lead screw 516, screw 516 middle part threaded connection has sprays piece 517, it sprays piece 517 and recess 515 sliding connection, it is a plurality of holes 518 that spray to spray the bottom surface of piece 517 to be the align to grid structure, it has hose 519 to spray piece 517 top surface middle part intercommunication, hose 519 is linked together with the pipeline 7 that is located the middle part, motor C520 is installed through the mount pad to support 514 front end, motor C520 output shaft passes support 514 outer wall and extends to the inner wall and with lead screw 516 coaxial coupling.

When in use, firstly, the biological filler is put into the bracket 504, the pipeline 7 at the right end conveys the precipitated water to the hose 519 by the water pump 8, the precipitated water enters the spraying block 517 and then is sprayed to the upper surface of the biological filler by the spraying hole 518, the external air is conveyed to the inside of the disc 501 by the air blower 503 and is discharged from the aeration hole 502, the water in the biological filter 5 is aerated and the biological filler is supplemented with oxygen, the water in the biological filter 5 is filtered by the biological filler and then is conveyed to the inside of the clean water tank 6 from the lower right corner to complete the biological filtration treatment, when the growth condition of the biological film on the surface of the biological filler needs to be observed for sampling and biological filler replacement, the screw 516 is driven by the motor C520 to rotate to push the spraying block 517 to slide backwards to the rearmost end along the groove 515, at the moment, the spraying block 517 is positioned at the rear end of the biological filter 5, the connecting rod 506 positioned at the rear end is driven to rotate by the motor B513, at the moment, the gear C521 drives the conveying belt 509 to synchronously rotate, the front connecting rod 506 and the rear connecting rod 506 synchronously rotate to drive the gear B507 to synchronously rotate, the gear B507 is meshed with the rack 505 to be transmitted to the rack 505, the rack 505 drives the support 504 to move upwards, sampling can be carried out after the rack moves to a proper position, the adjusting hand wheel 512 is rotated to pull the baffle 511 upwards to slide along the open slot 510, biological fillers in the support 504 are discharged to the outside, after the baffle 511 is tightly clamped with the open slot 510 in a reverse operation mode, new biological fillers are poured into the support 504 to complete replacement, and the steps are operated in a direction to place the support 504 into the biological filter 5 for biological filtration.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a sewage treatment plant based on electrochemistry and biofiltration which characterized in that: comprises a water inlet pipe (1), a filter component (2) is arranged in the middle of the water inlet pipe (1), an electrochemical reaction tank (3) is communicated with the right end of the water inlet pipe (1), a sedimentation tank (4) is arranged on the right end of the electrochemical reaction tank (3), a biological filter tank (5) is arranged on the right end of the sedimentation tank (4), a clean water tank (6) is arranged on the right end of the biological filter tank (5), the filter component (2) comprises a filter screen (201), a through groove (208) is formed in the outer wall of the middle of the water inlet pipe (1), the lower end of the left wall of the through groove (208) is rotatably connected with a rotating rod (202), a stop block (203) is clamped in the through groove (208), a collecting box (204) is fixedly arranged on the lower surface of the middle of the water inlet pipe (1), a front-back symmetrical structure of the left wall of the collecting box (204) is fixedly provided with two springs (205), and a collecting frame (206) is slidably connected with the lower end of the collecting box (204), a handle (207) is fixedly arranged in the middle of the left wall of the collecting frame (206).

2. The electrochemical and biological filtration based wastewater treatment plant of claim 1, wherein: filter screen (201) and inlet tube (1) middle part inner wall connection are fixed, filter screen (201) bottom surface left end is located the coplanar with logical groove (208) right wall, dog (203) left end is fixed with bull stick (202) right wall connection, it is linked together with logical groove (208) to collect box (204), spring (205) right-hand member is connected fixedly with dog (203) bottom surface.

3. The electrochemical and biological filtration based wastewater treatment plant of claim 2, wherein: electrochemical reaction pond (3), sedimentation tank (4), biological filter (5) and clean water basin (6) all are linked together through pipeline (7), are located the left end two pipeline (7) middle parts have all been cup jointed water pump (8), are located the left end water pump (8) are installed in electrochemical reaction pond (3) right side wall upper end through the mount pad, are located the right-hand member water pump (8) are installed in sedimentation tank (4) right side wall upper end through the mount pad, biological filter (5) right side wall lower extreme is linked together with pipeline (7) that are located the right-hand member, inlet tube (1) front end bottom has set firmly the pole setting.

4. The electrochemical and biological filtration based wastewater treatment plant of claim 3, wherein: the electrochemical reaction tank (3) comprises a C-shaped block (301), two sliding blocks (302) are slidably connected to the C-shaped block (301) in a left-right symmetrical structure, a polar plate (303) is fixedly arranged on the bottom surface of each sliding block (302), a terminal (304) is fixedly arranged at the front end of the top surface of each polar plate (303), a fixed block (305) is fixedly arranged in the middle of the C-shaped block (301), a voltmeter (306) is sleeved on each fixed block (305), the lower end of the C-shaped block (301) is rotatably connected with a bidirectional screw (317), the left end of the bidirectional screw (317) is coaxially connected with a rocker (318), each sliding block (302) is in threaded connection with the bidirectional screw (317) through a threaded hole, the bidirectional screw (317) is rotatably connected with the fixed block (305), the sliding blocks (302) and the fixed blocks (305) are made of insulating materials, and the polar plate (303) positioned at the left end is an anode plate, the polar plate (303) positioned at the right end is a negative plate, the lower end of the left wall of the electrochemical reaction tank (3) is communicated with a sewage pipe (319) with a valve, and the top surface of the rear end of the electrochemical reaction tank (3) is fixedly provided with a sewage discharge block (320).

5. The electrochemical and biological filtration based wastewater treatment plant of claim 4, wherein: the front end of the pipeline (7) positioned at the leftmost end is communicated with a circular block (307), an impeller (308) is arranged inside the circular block (307), a rotating shaft (309) is sleeved in the middle of the impeller (308), the rotating shaft (309) penetrates through the inner wall of the pipeline (7) positioned at the leftmost end to extend to the upper end and is sleeved with a bevel gear A (310), a connecting shaft (311) is arranged on the upper side of the bevel gear A (310), a plurality of bevel gears B (312) are sleeved on the connecting shaft (311) in an evenly-arranged structure, a plurality of guide plates (313) are arranged at the front-back symmetrical structure at the upper end inside the electrochemical reaction tank (3), a round rod (314) is fixedly arranged at the lower end of each guide plate (313), the right end of each round rod (314) penetrates through the inner wall of the electrochemical reaction tank (3) to extend to the outside and is sleeved with a bevel gear C (315), and a plurality of support blocks (316) are rotatably connected on the connecting shaft (311) in a linear equidistant structure, the bevel gear A (310) is in meshed connection with a bevel gear B (312) located in the middle, the round rod (314) is in rotating connection with the electrochemical reaction tank (3), the bevel gear C (315) is in meshed connection with the bevel gear B (312), and the rotating shaft (309) is in rotating connection with a pipeline (7) located at the leftmost end.

6. The electrochemical and biological filtration based wastewater treatment plant of claim 5, wherein: conical trough (401) have been seted up to inside bottom surface of sedimentation tank (4), conical trough (401) front end intercommunication has discharging pipe (402), discharging pipe (402) inside auger (403) that is equipped with, auger (403) back wall has set firmly disc ring gear (404), conical trough (401) middle part is equipped with sleeve pipe (405), sleeve pipe (405) middle part rotates and is connected with cylinder (406), gear A (409) has been cup jointed to cylinder (406) upper end, cylinder (406) upper end is passed sleeve pipe (405) inner wall and is extended to outside and set firmly scraper blade (407), sedimentation tank (4) front surface lower extreme installs motor A (408) through the mount pad, disc ring gear (404) are connected with gear A (409) meshing, scraper blade (407) and conical trough (401) frictional contact, scraper blade (407) are the slope structure, motor A (408) output shaft passes discharging pipe (402) outer wall and extends to inside and is connected with auger (403) coaxial And the rear end of the packing auger (403) is rotatably connected with the sleeve (405).

7. The electrochemical and biological filtration based wastewater treatment plant of claim 6, wherein: the bottom surface of the inner wall of the biological filter (5) is fixedly provided with a disc (501), the disc (501) is of a hollow structure, the top surface of the disc (501) is of an annular array structure and is provided with a plurality of aeration holes (502), the lower end of the front surface of the biological filter (5) is provided with an air blower (503) through a mounting seat, the interior of the biological filter (5) is slidably connected with a support (504), the front wall and the rear wall of the support (504) are of a bilateral symmetry structure and are fixedly provided with two racks (505), the upper part of the biological filter (5) is of a longitudinal symmetry structure and is provided with two connecting rods (506), the connecting rods (506) are sleeved with two gears B (507) in a bilateral symmetry structure, the left side and the right side of each gear B (507) are provided with a support block (508), the left end of each connecting rod (506) is fixedly provided with a gear C (521), and the upper part of the left end of the biological filter (5) is provided with a conveyor belt (509), open slot (510) have been seted up at support (504) back wall middle part, the inside sliding connection of open slot (510) has baffle (511), there are two adjusting hand wheels (512) baffle (511) top surface through screw hole threaded connection, motor B (513) are installed through the mount pad to biological filter (5) left side wall upper end, are located the rear end connecting rod (506) and motor B (513) output shaft coaxial coupling.

8. The electrochemical and biological filtration based wastewater treatment plant of claim 7, wherein: air-blower (503) rear end passes biological filter (5) outer wall and extends to the inner wall and is linked together with disc (501), rack (505) and biological filter (5) sliding connection, gear B (507) is connected with rack (505) meshing, prop up piece (508) upper end and be connected with connecting rod (506) rotation, prop up piece (508) bottom surface and biological filter (5) top surface and be connected fixedly, conveyer belt (509) inside is connected with gear C (521) meshing, adjusting hand wheel (512) pass baffle (511) and through screw hole and baffle (511) threaded connection, support (504) bottom surface is the fretwork form, is located the rear end connecting rod (506) are connected fixedly with motor B (513) output shaft.

9. The electrochemical and biological filtration based wastewater treatment plant of claim 8, wherein: biological filter (5) top surface right-hand member has set firmly support (514), support (514) left wall upper end is seted up fluted (515), recess (515) internal rotation is connected with lead screw (516), lead screw (516) middle part threaded connection has sprays piece (517), spray piece (517) and recess (515) sliding connection, it is a plurality of holes (518) of spraying to spray piece (517) bottom surface and has seted up a plurality of, it has hose (519) to spray piece (517) top surface middle part intercommunication, hose (519) are linked together with pipeline (7) that are located the middle part, motor C (520) are installed through the mount pad to support (514) front end, motor C (520) output shaft passes support (514) outer wall and extends to the inner wall and with lead screw (516) coaxial coupling.

10. A sewage treatment method based on electrochemistry and biological filtration is characterized by comprising the following steps:

and (3) filtering: outside raw water is conveyed to the inside of an electrochemical reaction pool (3) through a water inlet pipe (1), sundry garbage and the like in raw water in the conveying process stay at the left end of a filter screen (201), the sundry garbage and the like are accumulated to a certain weight on a stop block (203), the stop block (203) is pushed to rotate along a rotating rod (202), a spring (205) is compressed at the moment, the stop block (203) is separated from a through groove (208), the sundry garbage and the like pass through the through groove (208) and fall into a collection box (204) to enter a collection frame (206) for collection, the restoring force of the spring (205) pushes the stop block (203) to be clamped with the through groove (208) for collection again, and a pull handle (207) is pulled to slide the collection frame (206) along the collection box (204) to take out the collected sundry garbage and the like for dumping.

Electrochemical reaction: the terminal (304) is respectively connected with the positive electrode and the negative electrode of an external direct current power supply, the rocker (318) is rotated to enable the bidirectional screw (317) to synchronously rotate, at the moment, the sliding block (302) synchronously moves relative to the bidirectional screw (317) to drive the polar plate (303) to synchronously move, the observation voltmeter (306) is adjusted to the maximum voltage value, water which completes the electrochemical reaction is discharged from the pipeline (7) to the sedimentation tank (4) by the water pump (8), the impeller (308) is driven to rotate, so that the rotating shaft (309) drives the bevel gear A (310) to rotate, the bevel gear A (310) is in meshing transmission with the bevel gear B (312) and drives the bevel gear C (315) to synchronously rotate through the connecting shaft (311), the bevel gear C (315) drives the round rod (314) to enable the guide plate (313) to rotate anticlockwise, and the guide plate (313) pushes water surface floating objects in the electrochemical reaction tank (3) to the sewage discharge block (320) to be discharged to the outside for treatment.

And (3) precipitation: water after electrochemical reaction treatment enters a sedimentation tank (4) to be precipitated, sludge accumulated at the lower end inside the sedimentation tank (4) is periodically cleaned after the precipitation, a motor A (408) is used for driving an auger (403) to rotate, the auger (403) discharges the sludge to the outside through a discharge pipe (402) and collects the sludge, the auger (403) rotates and simultaneously drives a disc gear ring (404) to synchronously rotate, the disc gear ring (404) is meshed and driven to a gear A (409) to drive a cylinder (406) to rotate, and a scraper (407) is used for scraping the sludge accumulated on the upper surface of a conical groove (401) and falling into the discharge pipe (402) so as to conveniently discharge the sludge.