CN110697944A

CN110697944A - Sewage treatment device

Info

Publication number: CN110697944A
Application number: CN201911145168.0A
Authority: CN
Inventors: 张桂娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-01-17

Abstract

The invention discloses a sewage treatment device which comprises a box body, a screening mechanism, a scraping plate mechanism, a compression mechanism, a water inlet, a dosing port, a stirring mechanism, a discharging mechanism, supporting legs, oil stations and a supernatant outlet, wherein the bottom of the box body is provided with a plurality of supporting legs; divide the mechanism bottom to be equipped with rabbling mechanism, rabbling mechanism upper portion lateral wall is equipped with the medicine mouth, is equipped with the supernatant delivery port on the box lateral wall, and the rabbling mechanism bottom is equipped with scraper blade mechanism, and scraper blade mechanism one side is equipped with compressing mechanism, and the compressing mechanism bottom is equipped with discharge mechanism. The invention effectively filters and separates impurities such as floaters, withered branches and the like, quickly separates sludge, and intensively treats and recovers the sludge.

Description

Sewage treatment device

Technical Field

The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment device.

Background

As is well known, 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 also increasingly used in daily life of common people. Municipal sewage treatment refers to measures taken to change the nature of sewage so that the sewage does not harm the environmental waters. The urban sewage treatment is generally divided into three stages, namely primary treatment, which is to remove insoluble pollutants and parasitic ova in the sewage by applying a physical treatment method; the second-stage treatment is to apply a biological treatment method to oxidize and degrade various complex organic matters in the sewage into simple substances; the third-stage treatment is to remove phosphorus, nitrogen, refractory organic matters, inorganic salts and the like in the sewage by applying a chemical precipitation method, a biochemical method, a physicochemical method and the like.

However, the existing sewage treatment has the following problems which are difficult to solve: 1) the sewage to be treated is large in quantity, and the sewage contains a large amount of impurities such as floaters, withered branches, leaves, plastic bags and the like, so that the phenomenon of blocking or influencing sludge precipitation is easy to occur; 2) in the process of standing and precipitating, the precipitation time of the sludge is long, the amount of the precipitated sludge is difficult to collect in a centralized manner, the supernatant liquid needs to be extracted in the sludge treatment process, then the compression and separation treatment is carried out, the treatment efficiency of the sludge is low, and the treatment amount of the sewage is limited.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a sewage treatment device which can effectively filter and separate impurities such as floaters, withered branches and the like, quickly separate sludge and intensively treat and recycle the sludge.

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

a sewage treatment device comprises a box body, a screening mechanism, a scraping plate mechanism, a compression mechanism, a water inlet, a medicine feeding port, a stirring mechanism, a discharging mechanism, supporting legs, an oil station and a supernatant liquid outlet, wherein the bottom of the box body is provided with the plurality of supporting legs; the bottom of the screening mechanism is provided with a stirring mechanism, the side wall of the upper part of the stirring mechanism is provided with a dosing port, the side wall of the box body is provided with a supernatant outlet, the bottom of the stirring mechanism is provided with a scraping plate mechanism, one side of the scraping plate mechanism is provided with a compression mechanism, and the bottom of the compression mechanism is provided with a discharge mechanism;

sewage passes through the water inlet and gets into screening mechanism, through screening mechanism to the floater in the sewage, debris such as withered branch sieve, sewage after the screening gets into in the box, through adding the medicine mouth and annotating the antiseptic solution, medicaments such as flocculating agent disinfect sewage and accelerate aquatic impurity and mud sedimentation rate, form the swash plate through scraping plate mechanism and bottom half lateral wall jointly and deposit the mechanism, the sediment of mud with higher speed, carry out centralized processing to mud through scraper blade in the scraping plate mechanism at last, compress the volume reduction to mud through compressor mechanism, finally discharge mud through discharge mechanism, the supernatant of sedimentation separation passes through the supernatant delivery port and discharges.

The screening mechanism comprises a supporting plate, a screening box, a filter screen, a rotating support, a rotating shaft, a lifting lug, a screw nut, a screw, a bearing seat, a hydraulic motor I, a driving gear I, a driven gear I, an oil cylinder I, a connecting rod, a discharging plate, a material receiving plate, an oil cylinder II, a push-pull shaft and a push-pull groove; the screening box is characterized in that a rotating support is arranged at the bottom of the screening box, a filter screen is arranged on the rotating support, a rotating shaft is arranged at one end of the rotating support and movably connected with the screening box through a lifting lug, a connecting rod is arranged on the side wall of the other end of the rotating support, one end of the connecting rod is movably connected with the rotating support through a pin shaft, the other end of the connecting rod is movably connected with the screening box through a pin shaft, a lug I is arranged on the side wall of the connecting rod, the tail part of an oil cylinder I; the screening box is characterized in that a plurality of screw nuts are arranged on the side wall of the screening box, a screw is arranged in the center of each screw nut, two ends of each screw are arranged on a supporting plate through a bearing seat, the supporting plate is arranged on the inner side wall of the box body, a hydraulic motor I is arranged on the outer side wall of the box body, a driving gear I is arranged at the shaft end of the hydraulic motor I, the driving gear I is meshed with a driven gear I; a discharge plate is arranged on one side of the screening box, a material receiving plate is arranged on the discharge plate, push-pull grooves are formed in two side plates of the discharge plate, the material receiving plate is arranged in the push-pull grooves through push-pull shafts, the head of an oil cylinder II is connected with one end of the push-pull shafts, and cylinder bodies of the oil cylinders II are arranged on the two side plates of the discharge plate;

the hydraulic motor I provides power, the power is transmitted through a gear, the screw rod freely rotates relative to the bearing seat, the screw rod nut further drives the screening box to move up and down relative to the screw rod, sundries screened by a filter screen of the screening box are dehydrated in the process of moving up and down, after the dehydration is finished, the oil cylinder II is ejected out to drive the material receiving plate to slide to the bottom of the screening box, the oil cylinder I is further ejected out to drive the connecting rod to swing to drive the rotating support to be opened relative to one end of the screening box by taking the rotating shaft as a circle center, the sundries screened on the filter screen in the opening process enter the material receiving plate, finally the material receiving plate is recycled through the discharging plate, and the oil cylinder II is further retracted to drive the; the oil cylinder I is retracted to drive the rotating bracket to close.

The stirring mechanism comprises a supporting seat I, a hydraulic motor III, a driving gear II, a driven gear II, a transmission pipe, stirring blades and a sealing block I, wherein the hydraulic motor III is arranged on the supporting seat I, the driving gear II is arranged at the shaft end of the hydraulic motor III, the driving gear II is meshed with the driven gear II, the transmission pipe is arranged in the center of the driven gear II and is movably connected to the box body through a bearing seat, the sealing block I is arranged on the transmission pipe and is fixedly connected to the inner side wall of the box body, and the transmission pipe is provided with a plurality of stirring blades; the hydraulic motor III provides power, and power is transmitted through the gear to drive the stirring blades to rapidly stir and mix disinfectant, flocculant and other medicaments which are injected from the dosing port, so that the settling speed of impurities and sludge in water is increased.

The scraper mechanism comprises a hydraulic motor IV, driving rollers, a driving belt, scrapers and sealing blocks II, the driving belt is arranged between the driving rollers and the driving rollers, the scrapers are arranged on the driving belt, a triangular driving mechanism is formed between the three groups of driving rollers and the driving belt, the driving rollers are movably connected to the box body through bearing seats, the hydraulic motor IV is arranged at the end, close to the bottom of the box body, of the driving roller shaft, the sealing blocks II are arranged on the driving rollers, the sealing blocks II are fixedly connected to the inner side wall of the box body, the hydraulic motor IV provides power, and the scrapers transmit the power through the belts, so that the scrape; the transmission mechanism on one side of the top of the triangular transmission mechanism and the inner side wall of the inclined plane of the box body jointly form an inclined plate sedimentation mechanism, the transmission mechanism on one side of the bottom of the triangular transmission mechanism is parallel to the inner side wall of the inclined plane of the box body, and sludge is quickly and effectively scraped out for centralized treatment through the scraper.

The compression mechanism comprises a supporting seat II, a hydraulic motor V, a driving gear III, a driven gear III, a baffle plate shaft, a discharging baffle plate, a wrapping plate, a contact plate, a filter plate, a water storage tank, a sewage outlet, a fixing support, an oil cylinder III and a base, wherein the hydraulic motor V is arranged on the supporting seat II, the driving gear III is arranged at the shaft end of the hydraulic motor V, the driving gear III is meshed with the driven gear III, the baffle plate shaft is arranged on the driven gear III, the discharging baffle plate is arranged on the baffle plate shaft, the wrapping plate is arranged on one side of the discharging baffle plate, the contact plate and the filter plate are arranged in the wrapping plate, the contact plate is made of hard polyester fiber filter cotton, the filter plate is made of soft non-woven fabric filter cotton, the water storage tank is arranged at the bottom; the hydraulic motor V provides power, the baffle shaft drives the discharging baffle to overturn through the power transmitted by the gear, the discharging baffle is perpendicular to the bottom of the box body, the oil cylinder III is ejected out to drive the enclosing plate to compress and move in the box body, the sludge is compressed and volume-reduced through the extrusion of the contact plate and the filter plate, the sewage enters the water storage tank, and the water storage tank carries out recovery treatment on the extruded sewage through a sewage outlet.

Discharge mechanism includes hydro-cylinder IV, stripper, bracing piece, hinge, the bracing piece sets up between the supporting leg, is equipped with hydro-cylinder IV on the bracing piece, and hydro-cylinder IV is through round pin hub connection stripper one end, and the stripper other end passes through the hinge connection box, and hydro-cylinder IV contracts, drives the stripper and uses the hinge to open as the centre of a circle, and the sludge discharge of compressing mechanism compression volume reduction further carries out recovery processing to mud.

Preferably, a purging mechanism is arranged in the screening box and comprises a gas storage bottle, a gas inlet, branch pipes, a stacked hose, a duckbill nozzle, a fixing seat, a supporting shaft, a swing rod, a lug II, a hydraulic motor II, a rotating rod, a rotating shaft and a stop block, the gas storage bottle is arranged on the side wall of the screening box, the gas storage bottle is provided with the gas inlet, the gas storage bottle is provided with a plurality of branch pipes, the stacked hose is arranged on the branch pipes, the duckbill nozzle is arranged on the stacked hose, the duckbill nozzle is provided with an electromagnetic valve, and the opening and closing of the nozzle; the duckbill sprayer is arranged on the support shaft through the fixing seat, swing rods are arranged at two ends of the support shaft, guide grooves are formed in the swing rods, the other ends of the swing rods are movably connected to the screening box through lugs II, rotating shafts are arranged in the swing rod guide grooves, one ends of the rotating shafts are connected with rotating rods, the other ends of the rotating shafts are connected with a stop block, the rotating rods are prevented from being separated from the swing rods through the stop block, and the other ends; hydraulic motor II provides power, drives the rotary rod and rotates, and the pivot that the rotary rod other end is connected relatively slides in the guide slot of pendulum rod, drives the pendulum rod for II luffing swings of lug, and further the pendulum rod drives and supports epaxial duckbill shower nozzle luffing motion, and the gas bomb passes through the external air supply of air inlet, carries out the luffing motion through solenoid valve control duckbill shower nozzle to debris on the filter screen and sweeps, and filterable debris are retrieved in further effectual clearance.

Preferably, be equipped with a plurality of ventholes on the driving pipe among the rabbling mechanism, driving pipe one end is equipped with the connection cap, connect the cap and cup joint on the driving pipe through the bearing, it is equipped with the sealing washer to connect cap inside wall bearing one side, the sealing washer prevents that the sewage in the box from passing through the venthole and getting into, finally flow through driving pipe one end, connect the cap lateral wall and connect the outlet duct, be equipped with the solenoid valve on the outlet duct, the solenoid valve is opened, the gas of gas bomb passes through the outlet duct and gets into the driving pipe, finally discharge through the venthole, accelerate the antiseptic solution through pneumatic bubbling, the rapid bonding of medicaments such as flocculating agent and sewage, further to sewage disinfection and accelerate.

Preferably, the upper part of the purging mechanism is provided with a baffle plate, and the influence of sewage directly entering the purging mechanism to the purging effect is avoided through the baffle plate.

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

1) the hydraulic motor I in the screening mechanism provides power, the power is transmitted through a gear, the lead screw freely rotates relative to the bearing seat, the lead screw nut further drives the screening box to move up and down relative to the lead screw, sundries screened by a filter screen of the screening box are dewatered in the up-and-down moving process, after dewatering is finished, the oil cylinder II is ejected out to drive the material receiving plate to slide to the bottom of the screening box, the oil cylinder I is further ejected out to drive the connecting rod to swing, the rotating support is driven to open relative to one end of the screening box by taking the rotating shaft as a circle center, the sundries screened on the filter screen in the opening process enter the material receiving plate, and finally, quick and effective recovery;

2) a hydraulic motor II in the purging mechanism provides power to drive a rotary rod to rotate, a rotary shaft connected with the other end of the rotary rod slides relatively in a guide groove of a swing rod to drive the swing rod to swing up and down relative to a lug II, the swing rod further drives a duckbill nozzle on a support shaft to swing up and down, an air storage bottle is externally connected with an air source through an air inlet, the duckbill nozzle is controlled by a solenoid valve to purge sundries on a filter screen in a swinging mode, and the filtered sundries are further effectively cleaned and recovered;

3) a triangular transmission mechanism is formed between the three groups of transmission rollers and the transmission belt, the transmission mechanism on one side of the top in the triangular transmission mechanism and the inner side wall of the inclined plane of the box body jointly form an inclined plate sedimentation mechanism, sludge sedimentation is facilitated, the transmission mechanism on one side of the bottom in the triangular transmission mechanism is parallel to the inner side wall of the inclined plane of the box body, and sludge is quickly and effectively scraped out for centralized treatment through the scraper.

Drawings

FIG. 1 is a schematic structural view of a sewage treatment apparatus according to the present invention;

FIG. 2 is a schematic view of the other side of the sewage treatment apparatus according to the present invention;

FIG. 3 is a schematic structural view of a screening mechanism in the sewage treatment apparatus of the present invention;

FIG. 4 is a schematic structural view of a sweeping mechanism and a scraping plate mechanism in the sewage treatment device of the invention;

FIG. 5 is a sectional view of a scraper mechanism, a compression mechanism and a discharge mechanism in the sewage treatment device of the present invention;

in the figure: 11. a box body; 12. a screening mechanism; 13. a scraping plate mechanism; 14. a compression mechanism; 15. a water inlet; 16. a medicine adding port; 17. a stirring mechanism; 18. a discharging mechanism; 19. supporting legs; 20. an oil station; 21. a supernatant liquid outlet; 201. a support plate; 202. screening the box; 203. a filter screen; 204. rotating the bracket; 205. a rotating shaft; 206. lifting lugs; 207. a lead screw nut; 208. a lead screw; 209. a bearing seat; 210. a hydraulic motor I; 211. a driving gear I; 212. a driven gear I; 213. an oil cylinder I; 214. a connecting rod; 2141. a lug I; 215. a discharge plate; 216. a material receiving plate; 217. an oil cylinder II; 218. a push-pull shaft; 219. a push-pull groove; 220. a shielding plate; 301. a gas cylinder; 302. an air inlet; 303. a branch pipe; 304. a stack-type hose; 305. a duckbill spray head; 306. a fixed seat; 307. a support shaft; 308. a swing rod; 3081. a guide groove; 309. a lug II; 310. a hydraulic motor II; 311. rotating the rod; 312. a rotating shaft; 313. a stopper; 314. an air outlet pipe; 401. a support seat I; 402. a hydraulic motor III; 403. a driving gear II; 404. a driven gear II; 405. a drive tube; 406. a stirring blade; 407. an air outlet; 408. a sealing block I; 409. a connecting cap; 501. a hydraulic motor IV; 502. a driving roller; 503. a drive belt; 504. a squeegee; 505. a sealing block II; 601. a support seat II; 602. a hydraulic motor V; 603. a driving gear III; 604. a driven gear III; 605. a baffle shaft; 606. a discharge baffle; 607. wrapping the plate; 608. a contact plate; 609. a filter plate; 610. a water storage tank; 611. a sewage outlet; 612. fixing a bracket; 613. an oil cylinder III; 614. a base; 701. an oil cylinder IV; 702. a stripper plate; 703. a support bar; 704. and (7) a hinge.

Detailed Description

For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 5.

A sewage treatment device comprises a box body 11, a screening mechanism 12, a scraping plate mechanism 13, a compression mechanism 14, a water inlet 15, a chemical feeding port 16, a stirring mechanism 17, a discharging mechanism 18, supporting legs 19, an oil station 20 and a supernatant liquid water outlet 21, wherein the bottom of the box body 11 is provided with a plurality of supporting legs 19, the upper part of the box body 11 is provided with the screening mechanism 12, the top of the screening mechanism 12 is provided with the water inlet 15, one side of the water inlet 15 is provided with a plurality of oil stations 20, and the oil stations 20 provide power for an oil cylinder and a hydraulic motor; screening mechanism 12 bottom is equipped with rabbling mechanism 17, and the lateral wall of rabbling mechanism 17 upper portion is equipped with medicine mouth 16, is equipped with supernatant delivery port 21 on the box 11 lateral wall, and rabbling mechanism 17 bottom is equipped with scraper mechanism 13, and scraper mechanism 13 one side is equipped with compressing mechanism 14, and compressing mechanism 14 bottom is equipped with discharge mechanism 18.

The screening mechanism 12 comprises a supporting plate 201, a screening box 202, a filter screen 203, a rotating bracket 204, a rotating shaft 205, a lifting lug 206, a screw nut 207, a screw 208, a bearing seat 209, a hydraulic motor I210, a driving gear I211, a driven gear I212, an oil cylinder I213, a connecting rod 214, a discharging plate 215, a material receiving plate 216, an oil cylinder II 217, a push-pull shaft 218 and a push-pull groove 219; the bottom of the screening box 202 is provided with a rotating support 204, the rotating support 204 is provided with a filter screen 203, one end of the rotating support 204 is provided with a rotating shaft 205, the rotating shaft 205 is movably connected with the screening box 202 through a lifting lug 206, the side wall of the other end of the rotating support 204 is provided with a connecting rod 214, one end of the connecting rod 214 is movably connected with the rotating support 204 through a pin shaft, the other end of the connecting rod 214 is movably connected with the screening box 202 through a pin shaft, the side wall of the connecting rod 214 is provided with a lug I2141, the tail part of an oil cylinder I213 is arranged on the side wall of; the side wall of the screening box 202 is provided with a plurality of screw nuts 207, the center of each screw nut 207 is provided with a screw 208, two ends of each screw 208 are arranged on the supporting plate 201 through bearing seats 209, the supporting plate 201 is arranged on the inner side wall of the box body 11, the outer side wall of the box body 11 is provided with a hydraulic motor I210, the shaft end of the hydraulic motor I210 is provided with a driving gear I211, the driving gear I211 is meshed with a driven gear I212, and the driven gear I212 is arranged at; a discharge plate 215 is arranged on one side of the screening box 202, a material receiving plate 216 is arranged on the discharge plate 215, push-pull grooves 219 are arranged on two side plates of the discharge plate 215, the material receiving plate 216 is arranged in the push-pull grooves 219 through push-pull shafts 218, the head of an oil cylinder II 217 is connected with one end of the push-pull shafts 218, and the cylinder body of the oil cylinder II 217 is arranged on the two side plates of the discharge plate 215;

the hydraulic motor I210 provides power, the power is transmitted through a gear, the lead screw 208 freely rotates relative to the bearing seat 209, the lead screw nut 207 further drives the screening box 202 to move up and down relative to the lead screw 208, sundries screened by the filter screen 203 of the screening box are dewatered in the process of moving up and down, after dewatering is finished, the oil cylinder II 217 is ejected out, the material receiving plate 216 is driven to slide to the bottom of the screening box 202, the oil cylinder I213 is further ejected out, the connecting rod 214 is driven to swing, the rotary support 204 is driven to be opened relative to one end of the screening box 202 by taking the rotary shaft 205 as a circle center, sundries screened on the filter screen in the opening process enter the material receiving plate 216, finally, recycling processing is carried out through the material discharging plate 215, the oil cylinder II 217 is further retracted, the material receiving plate; the oil cylinder I213 retracts to drive the rotating bracket 204 to close.

The stirring mechanism 17 comprises a supporting seat I401, a hydraulic motor III 402, a driving gear II 403, a driven gear II 404, a transmission pipe 405, stirring blades 406 and a sealing block I408, wherein the hydraulic motor III 402 is arranged on the supporting seat I401, the driving gear II 403 is arranged at the shaft end of the hydraulic motor III 402, the driving gear II 403 is meshed with the driven gear II 404, the transmission pipe 405 is arranged at the center of the driven gear II 404, the transmission pipe 405 is movably connected to the box body 11 through a bearing seat, the sealing block I408 is arranged on the transmission pipe 405, the sealing block I408 is fixedly connected to the inner side wall of the box body 11, and the transmission pipe 405 is provided with a; the hydraulic motor III 402 provides power, and the power is transmitted through the gear to drive the stirring blades 406 to rapidly stir and mix the disinfectant, the flocculant and other medicaments which are injected from the dosing port, so that the settling speed of impurities and sludge in water is increased.

The scraper plate mechanism 13 comprises a hydraulic motor IV 501, a transmission roller 502, a transmission belt 503, scraper plates 504 and sealing blocks II 505, the transmission belt 503 is arranged between the transmission roller 502 and the transmission roller 502, the scraper plates 504 are arranged on the transmission belt 503, a triangular transmission mechanism is formed between the three groups of transmission rollers 502 and the transmission belt 503, the transmission roller 502 is movably connected to the box body 11 through a bearing seat, the hydraulic motor IV 501 is arranged at the end of the transmission roller 502 close to the bottom of the box body, the sealing blocks II 505 are arranged on the transmission roller 502 and fixedly connected to the inner side wall of the box body 11, the hydraulic motor IV 501 provides power, and the scraper plates 504 transmit the power through the belts, so that the sludge is intensively treated by the scraper; the transmission mechanism on one side of the top of the triangular transmission mechanism and the inner side wall of the inclined plane of the box body jointly form an inclined plate sedimentation mechanism, the transmission mechanism on one side of the bottom of the triangular transmission mechanism is parallel to the inner side wall of the inclined plane of the box body, and sludge is quickly and effectively scraped out for centralized treatment through the scraper.

The compression mechanism 14 comprises a support seat II 601, a hydraulic motor V602, a driving gear III 603, a driven gear III 604, a baffle shaft 605, a discharge baffle 606, a surrounding plate 607, a contact plate 608, a filter plate 609, a water storage tank 610, a sewage outlet 611, a fixed support 612, an oil cylinder III 613 and a base 614, wherein the hydraulic motor V602 is arranged on the support seat II 601, the driving gear III 603 is arranged at the shaft end of the hydraulic motor V602, the driving gear III 603 is meshed with the driven gear III 604, the baffle shaft 605 is arranged on the driven gear III 604, the discharge baffle 606 is arranged on the baffle shaft 605, the surrounding plate 607 is arranged on one side of the discharge baffle 606, the contact plate 608 and the filter plate 609 are arranged in the surrounding plate 607, the contact plate 608 is made of hard polyester fiber filter cotton, the filter plate 609 is made of soft non-woven fabric filter cotton, the water storage tank 610 is, the tail part of the oil cylinder III 613 is arranged on a base 614, and the bottom of the base 614 is provided with a fixed bracket 612; the hydraulic motor V602 provides power, power is transmitted through the gear, the baffle shaft 605 drives the discharging baffle 606 to overturn, the discharging baffle 606 is perpendicular to the bottom of the box body 11, the oil cylinder III 613 is ejected out to drive the enclosing plate 607 to compress and move in the box body 11, the sludge is compressed and volume-reduced through the extrusion of the contact plate 608 and the filter plate 609, sewage enters the water storage tank 610, and the water storage tank 610 performs recovery treatment on the extruded sewage through the sewage outlet 611.

The discharging mechanism 18 comprises an oil cylinder IV 701, a discharging plate 702, a supporting rod 703 and a hinge 704, the supporting rod 703 is arranged between supporting legs 19, the oil cylinder IV 701 is arranged on the supporting rod 703, the oil cylinder IV 701 is connected with one end of the discharging plate 702 through a pin shaft, the other end of the discharging plate 702 is connected with the box body 11 through the hinge 704, the oil cylinder IV 701 contracts to drive the discharging plate 702 to be opened by taking the hinge 704 as a circle center, and a compressing mechanism compresses and reduces the volume of sludge to be discharged to further recycle the sludge.

Be equipped with in screening case 202 and sweep the mechanism, it includes gas bomb 301, air inlet 302, bleeder 303, fold type hose 304, duckbilled shower nozzle 305, fixing base 306, back shaft 307, pendulum rod 308, lug II 309, hydraulic motor II 310, rotary rod 311, pivot 312, dog 313 to sweep the mechanism, gas bomb 301 sets up in screening case 202 lateral wall, is equipped with air inlet 302 on the gas bomb 301, is equipped with a plurality of bleeder 303 on the gas bomb 301, is equipped with fold type hose 304 on the bleeder 303, is equipped with duckbilled shower nozzle 305 on the fold type hose 304, is equipped with the solenoid valve on the duckbilled shower nozzle 305, and the model of solenoid valve is: the MAC blowing valves 52-110-O3-DM-DJDJ-1KJ are in series, and the opening and closing of the spray head are controlled by the electromagnetic valves; the duckbilled spray head 305 is arranged on a support shaft 307 through a fixed seat 306, two ends of the support shaft 307 are provided with swing rods 308, guide grooves 3081 are formed in the swing rods 308, the other ends of the swing rods 308 are movably connected to the screening box 202 through lugs II 309, a rotating shaft 312 is arranged in the swing rod guide grooves 3081, one end of the rotating shaft 312 is connected with a rotating rod 311, the other end of the rotating shaft 312 is connected with a stop block 313, the rotating rod 311 is prevented from being separated from the swing rods 308 through the stop block 313, and the other; hydraulic motor II 310 provides power, it rotates to drive rotary rod 311, the pivot 312 that the rotary rod 311 other end is connected slides relatively in the guide slot 3081 of pendulum rod, drive pendulum rod 308 for II 309 luffing swings of lug, further pendulum rod 308 drives and supports epaxial duckbill shower nozzle 305 luffing motion, gas bomb 301 passes through the external air supply of air inlet 302, carry out the luffing motion through solenoid valve control duckbill shower nozzle to debris on the filter screen and sweep, filterable debris are retrieved in further effectual clearance.

Be equipped with a plurality of ventholes 407 on the driving pipe 405 among the rabbling mechanism 17, driving pipe 405 one end is equipped with connects cap 409, connects cap 409 and cup joints on driving pipe 405 through the bearing, connects cap 409 inside wall bearing one side and is equipped with the sealing washer, and the sealing washer prevents that the sewage in the box from getting into through venthole 407, finally flows through driving pipe 405 one end, connects cap 409 lateral wall and connects outlet duct 314, is equipped with the solenoid valve on the outlet duct 314, and the model of solenoid valve is: the MAC blowing valve 52-110-O3-DM-DJDJ-1KJ series is opened, the electromagnetic valve is opened, the gas in the gas storage cylinder 301 enters the transmission pipe 405 through the gas outlet pipe 314 and is finally discharged through the gas outlet hole 407, and the rapid combination of medicaments such as disinfectant, flocculating agent and the like and sewage is accelerated through pneumatic bubbling, so that the sewage is further sterilized and the settling speed of impurities and sludge in water is accelerated.

The upper portion of the purging mechanism is provided with a baffle 220, and the influence of sewage directly entering the purging mechanism to the purging effect is avoided through the baffle 220.

A sewage treatment device comprises the following working processes: sewage passes through the water inlet and gets into screening mechanism, through screening mechanism to the floater in the sewage, debris such as withered branch sieve, sewage after the screening gets into in the box, through adding the medicine mouth and annotating the antiseptic solution, medicaments such as flocculating agent disinfect sewage and accelerate aquatic impurity and mud sedimentation rate, form the swash plate through scraping plate mechanism and bottom half lateral wall jointly and deposit the mechanism, the sediment of mud with higher speed, carry out centralized processing to mud through scraper blade in the scraping plate mechanism at last, compress the volume reduction to mud through compressor mechanism, finally discharge mud through discharge mechanism, the supernatant of sedimentation separation passes through the supernatant delivery port and discharges.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.

Claims

1. A sewage treatment device comprises a box body, a screening mechanism, a scraping plate mechanism, a compression mechanism, a water inlet, a medicine feeding port, a stirring mechanism, a discharging mechanism, supporting legs, an oil station and a supernatant liquid outlet, and is characterized in that a plurality of supporting legs are arranged at the bottom of the box body, the screening mechanism is arranged at the upper part of the box body, the water inlet is arranged at the top of the screening mechanism, and a plurality of oil stations are arranged at one side of the water inlet; screening mechanism bottom is equipped with rabbling mechanism, and rabbling mechanism upper portion lateral wall is equipped with the medicine mouth, is equipped with the supernatant delivery port on the box lateral wall, and the rabbling mechanism bottom is equipped with scraper blade mechanism, and scraper blade mechanism one side is equipped with compressing mechanism, and the compressing mechanism bottom is equipped with discharge mechanism.

2. The sewage treatment device according to claim 1, wherein the screening mechanism comprises a support plate, a screening box, a filter screen, a rotating bracket, a rotating shaft, a lifting lug, a screw nut, a screw, a bearing seat, a hydraulic motor I, a driving gear I, a driven gear I, an oil cylinder I, a connecting rod, a discharge plate, a material receiving plate, an oil cylinder II, a push-pull shaft and a push-pull groove; the screening box is characterized in that a rotating support is arranged at the bottom of the screening box, a filter screen is arranged on the rotating support, a rotating shaft is arranged at one end of the rotating support and movably connected with the screening box through a lifting lug, a connecting rod is arranged on the side wall of the other end of the rotating support, one end of the connecting rod is movably connected with the rotating support through a pin shaft, the other end of the connecting rod is movably connected with the screening box through a pin shaft, a lug I is arranged on the side wall of the connecting rod, the tail part of an oil cylinder I; the screening box is characterized in that a plurality of screw nuts are arranged on the side wall of the screening box, a screw is arranged in the center of each screw nut, two ends of each screw are arranged on a supporting plate through a bearing seat, the supporting plate is arranged on the inner side wall of the box body, a hydraulic motor I is arranged on the outer side wall of the box body, a driving gear I is arranged at the shaft end of the hydraulic motor I, the driving gear I is meshed with a driven gear I; screening case one side is equipped with the flitch, is equipped with on the flitch and connects the flitch, is equipped with the push-and-pull groove on the flitch both sides board, connects the flitch to pass through the push-and-pull shaft and sets up in the push-and-pull groove, and II heads of hydro-cylinder are connected push-and-pull shaft one end, and II cylinder bodies of hydro-cylinder set up on flitch both sides.

3. The sewage treatment device according to claim 1, wherein the stirring mechanism comprises a support base I, a hydraulic motor III, a driving gear II, a driven gear II, a transmission pipe, a stirring blade and a sealing block I, the support base I is provided with the hydraulic motor III, the shaft end of the hydraulic motor III is provided with the driving gear II, the driving gear II is meshed with the driven gear II, the center of the driven gear II is provided with the transmission pipe, the transmission pipe is movably connected to the box body through a bearing seat, the transmission pipe is provided with the sealing block I, the sealing block I is fixedly connected to the inner side wall of the box body, and the transmission pipe is provided with a plurality of stirring blades.

4. The sewage treatment device according to claim 1, wherein the scraping plate mechanism comprises a hydraulic motor IV, transmission rollers, a transmission belt, scraping plates and sealing blocks II, the transmission belt is arranged between the transmission rollers, the scraping plates are arranged on the transmission belt, a triangular transmission mechanism is formed between the three groups of transmission rollers and the transmission belt, the transmission rollers are movably connected to the box body through bearing seats, the hydraulic motor IV is arranged at the end of the transmission roller close to the bottom of the box body, the sealing blocks II are arranged on the transmission rollers, and the sealing blocks II are fixedly connected to the inner side wall of the box body; the transmission mechanism on one side of the top of the triangular transmission mechanism and the inner side wall of the inclined plane of the box body jointly form a sloping plate sedimentation mechanism, and the transmission mechanism on one side of the bottom of the triangular transmission mechanism is parallel to the inner side wall of the inclined plane of the box body.

5. The sewage treatment device according to claim 1, wherein the compression mechanism comprises a support base II, a hydraulic motor V, a driving gear III, a driven gear III, a baffle shaft, a discharge baffle, a wrapping plate, a contact plate, a filter plate, a water storage tank, a sewage outlet, a fixed support, a cylinder III and a base, the hydraulic motor V is arranged on the support base II, the driving gear III is arranged at the shaft end of the hydraulic motor V, the driving gear III is meshed with the driven gear III, the baffle shaft is arranged on the driven gear III, the discharge baffle is arranged on the baffle shaft, the wrapping plate is arranged on one side of the discharge baffle, the contact plate and the filter plate are arranged in the wrapping plate, the contact plate is made of hard polyester fiber filter cotton, the filter plate is made of non-woven fabric filter cotton, the water storage tank is arranged at the bottom of the wrapping plate, the sewage outlet, the bottom of the base is provided with a fixed bracket;

the discharging mechanism comprises an oil cylinder IV, a discharging plate, a supporting rod and a hinge, the supporting rod is arranged between supporting legs, the oil cylinder IV is arranged on the supporting rod and connected with one end of the discharging plate through a pin shaft, and the other end of the discharging plate is connected with the box body through the hinge.

6. The sewage treatment device according to claim 1, wherein a purging mechanism is arranged in the screening box, the purging mechanism comprises a gas storage bottle, a gas inlet, branch pipes, a stacked hose, a duckbill nozzle, a fixed seat, a supporting shaft, a swing rod, lugs II, a hydraulic motor II, a rotary rod, a rotary shaft and a stop block, the gas storage bottle is arranged on the side wall of the screening box, the gas storage bottle is provided with the gas inlet, the gas storage bottle is provided with a plurality of branch pipes, the branch pipes are provided with the stacked hose, the stacked hose is provided with the duckbill nozzle, and the duckbill nozzle is provided with an electromagnetic valve; the duckbilled shower nozzle passes through the fixing base and sets up on the back shaft, and the back shaft both ends are equipped with the pendulum rod, are equipped with the guide slot on the pendulum rod, and the pendulum rod other end passes through II swing joint of lug on the screening case, is equipped with the pivot in the pendulum rod guide slot, and the rotary rod is connected to pivot one end, and the dog is connected to the pivot other end, and the rotary rod other end is connected with II output.

7. The sewage treatment device according to claim 1, wherein the stirring mechanism has a plurality of air outlets on the transmission tube, a connecting cap is provided at one end of the transmission tube, the connecting cap is sleeved on the transmission tube through a bearing, a sealing ring is provided on one side of the bearing on the inner side wall of the connecting cap, the side wall of the connecting cap is connected with the air outlet tube, and a solenoid valve is provided on the air outlet tube.

8. The sewage treatment device according to claim 1, wherein a shielding plate is arranged at the upper part of the blowing mechanism.