CN113683264B

CN113683264B - Integrated sewage treatment device of membrane bioreactor and sewage treatment method

Info

Publication number: CN113683264B
Application number: CN202111004907.1A
Authority: CN
Inventors: 吴秉桦
Original assignee: Lianyungang Gree Smart Energy Technology Co ltd
Current assignee: Lianyungang Gree Smart Energy Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-06-10
Anticipated expiration: 2041-08-30
Also published as: CN113683264A

Abstract

The invention relates to the technical field of integrated sewage treatment, in particular to a membrane bioreactor integrated sewage treatment device and a sewage treatment method. According to the invention, the filter belt and the auger are driven to synchronously rotate by the motor, the scraper plate is driven by the dredging pump to scrape and simultaneously suck floating objects on the water surface, so that impurities and garbage in the inlet water are quickly salvaged and collected, the water inlet effect is ensured to prevent blockage, meanwhile, the silt on the bottom surface of the adjusting tank is scraped and the floating objects on the water surface of the adjusting tank are quickly sucked by the dredging pump, the dredging and sucking effects are obviously improved, the operation is simple, the working efficiency is improved, the service life and the service cycle of the equipment are prolonged, the use cost is saved, the environment is protected, and the use effect is obviously improved.

Description

Integrated sewage treatment device of membrane bioreactor and sewage treatment method

Technical Field

The invention relates to the technical field of integrated sewage treatment, in particular to a membrane bioreactor integrated sewage treatment device and a sewage treatment method.

Background

Integral type membrane bioreactor, also known as MBR technology, a novel waste water biological treatment technique, can the efficient carry out solid-liquid separation, integral type membrane bioreactor technology (MBR technology) is a novel waste water biological treatment technique that modern membrane separation technique and biotechnology combined organically, arrange the membrane module in the reactor, obtain the filtrate through the suction of pump, the required cross-flow of membrane surface cleaning is stirred by the air and is produced, the aerator sets up under the membrane, mixed liquid upwards flows along with the air current, produces the shearing force on the membrane surface, in order to reduce the pollution of membrane. Active sludge and macromolecular organic substances in the biochemical reaction tank are effectively intercepted by utilizing a membrane separation device to replace a secondary sedimentation tank, so that the concentration of the active sludge in the biochemical reaction tank is greatly improved; realizes the respective control of hydraulic retention time and sludge retention time, and traps the macromolecular organic substances which are difficult to degrade in the reaction tank for continuous reaction and degradation. The membrane separation technology greatly improves the treatment efficiency of the bioreactor, compared with the traditional biological treatment process, the membrane separation technology has the advantages of high biochemical efficiency, strong load impact resistance, good and stable effluent quality, small occupied area, long sludge discharge period, easy realization of automatic control and the like, and is the leading technology in the fields of high-concentration organic wastewater treatment, reclaimed water recycling and the like. The quality of the effluent of the process is greatly superior to the national reclaimed water reuse standard, and the process can be directly used for flushing toilets, greening and the like.

The MBR membrane bioreactor integrated equipment is a novel water treatment technology organically combining a membrane separation technology and a biotechnology, and active sludge and macromolecular organic matters in a biochemical reaction tank are retained by utilizing the membrane separation equipment, so that a secondary sedimentation tank is saved. The membrane-bioreactor process greatly strengthens the function of the bioreactor through the separation technology of the membrane, greatly improves the concentration of the activated sludge, can respectively control the hydraulic retention time and the sludge retention time, has high removal rate of pollutants, strong sludge expansion resistance and stable and reliable effluent quality, avoids the loss of microorganisms due to the mechanical interception effect of the membrane, can keep high sludge concentration in the bioreactor, thus improving the volume load, reducing the sludge load and having strong impact resistance.

In the use of membrane bioreactor integration sewage treatment among the prior art, adopt the grid to intercept impurity rubbish etc. in intaking usually, need artifical manual impurity and rubbish of intercepting to salvage, waste time and energy and influence the effect of intaking, still need artifical manual operation to shovel except that the operation such as washing to the silt of equalizing basin bottom surface, the loaded down with trivial details and inefficiency of step, and the MBR membrane is maintained and is changed very inconveniently, influences life result of use not good enough.

Disclosure of Invention

Aiming at the problems, the invention provides a membrane bioreactor integrated sewage treatment device and a sewage treatment method.

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

membrane bioreactor integration sewage treatment plant, comprising a main body, the intake chamber has been seted up to main part left wall top surface, the intake chamber right-hand member is equipped with the equalizing basin, the equalizing basin right-hand member is equipped with the reaction tank, the reaction tank right-hand member is equipped with the clean water basin, the inside filter belt that is of intake chamber, the inside upper and lower symmetrical structure meshing of being of filter belt is connected with two rollers, symmetrical structure rotates around being on the roller that is located the upper end and is connected with two supporting shoes, the motor is installed through the mount pad to the supporting shoe front surface that is located the front end, filter belt upper end middle part frictional contact has the dog, the inside auger that is equipped with of dog, the auger rear end is equipped with the universal joint admittedly.

Preferably, the universal joint rear end and the roller rear end outer wall that is located the upper end have all cup jointed the band pulley, the band pulley that is located the left end passes through the belt and rubs the transmission with the band pulley that is located the right-hand member, auger rear end downside is connected with through the fixed block rotation and collects the box, the auger front end rotates with the main part to be connected, and water pump B is all installed through the mount pad to equalizing basin and clean water basin right wall, all communicates on the water pump B to have the outlet pipe, and the outlet pipe all is connected fixedly through fixed block and main part.

Preferably, the inside sliding connection of equalizing basin has the kickboard, symmetrical structure sliding connection has two sliders around two walls all are about the kickboard, the slider is fixed with the inside wall connection of equalizing basin, the kickboard middle part has set firmly the hose, the pot head is equipped with check valve A under the hose, check valve A left end intercommunication has the desilting pipe, desilting pipe upper end intercommunication has collection silt case, it is fixed with the main part to collect silt case, the desilting pipe passes through the fixed block and the equalizing basin inside wall connection is fixed, the kickboard middle part has set firmly the suction piece, suction piece upper end is linked together with the hose.

Preferably, the symmetrical structure is equipped with two chains around the bottom of adjusting tank inside is personally submitted, the inside pivot that is equipped with of chain, symmetrical structure has cup jointed two gears around being in the pivot, the gear is connected with the chain meshing, the scraper blade has set firmly on the chain, scraper blade and the inside bottom surface friction contact of adjusting tank, the chute has been seted up to the bottom surface of adjusting tank inside left side, the chute rear end is equipped with the desilting pump, desilting pump upper end is linked together with the desilting pipe, adjusting tank front surface lower extreme intercommunication has the drain, the pivot rear end that is located the left end passes the desilting pipe outer wall and extends to inside and cup jointed impeller A, impeller A right wall is equipped with sealed piece, sealed piece is fixed with the desilting union coupling.

Preferably, the inside membrane bioreactor main part that is equipped with of reaction tank, membrane bioreactor main part bottom surface are equipped with the aeration piece, and a plurality of aeration openings have been seted up to aeration piece upper surface for rectangular array structure, and aeration piece upper surface rear end is linear equidistant structure intercommunication and has a plurality of aeration pipes, and the aeration pipe upper end has the air pump through T type pipe intercommunication, and the air pump is connected fixedly with the main part.

Preferably, the inside linear equidistant sliding connection that is of membrane bioreactor main part has a plurality of MBR membrane module, MBR membrane module upper end intercommunication has the product water pipe, product water pipe left end joint has the arc piece, symmetrical structure has two adjusting handle through screw hole threaded connection around being on the arc piece, product water pipe right-hand member joint has the sleeve pipe, the sleeve pipe is upper and lower symmetrical structure and is equipped with two, the sleeve pipe that is located the upper end rotates with the sleeve pipe that is located the lower extreme to be connected and closely pressfitting with it, the sleeve pipe front surface middle part that is located the upper end has set firmly the dop, the sleeve pipe front surface middle part that is located the lower extreme has set firmly the buckle, dop and buckle joint cooperation, membrane bioreactor main part right-hand member upside is equipped with the inlet tube, the inlet tube is fixed and is linked together with bushing.

Preferably, inlet tube rear end intercommunication has water pump A, and water pump A right-hand member intercommunication has L type drain pipe, and L type drain pipe is connected fixedly with clean water basin inner wall left end, and L type drain pipe front end outer wall intercommunication has a circular block, and the circular block middle part is rotated and is connected with the bull stick, is central symmetrical structure on the bull stick and has set firmly a plurality of puddlers, and circular block inside has set firmly impeller B, and impeller B cup joints in bull stick lower extreme outer wall, and the bull stick lower extreme rotates with the inside bottom surface in clean water basin to be connected.

Preferably, the disinfection box is installed through the mount pad to the clean water basin top surface, and disinfection box top surface right-hand member intercommunication has the feeder hopper, and the inside front end of disinfection box is equipped with the booster pump admittedly, and the booster pump middle part cover is equipped with the transfer line, and the transfer line lower extreme has cup jointed check valve B, and the transfer line lower extreme communicates with L type drain pipe upper end right wall mutually.

Preferably, a semicircular block is fixedly arranged at the right end of the inner wall of the L-shaped drain pipe, a spring is fixedly arranged on the bottom surface of the semicircular block, a connecting block is fixedly arranged at the lower end of the spring, and the semicircular block is in frictional contact with and tightly pressed with a liquid outlet at the left end of the infusion tube.

The sewage treatment method of the integrated sewage treatment device of the membrane bioreactor comprises the following steps:

and (3) filtering: pass the filter belt through the intake chamber with the outside sewage that needs to handle and carry to the equalizing basin inside, it is rotatory to drive the roller that is located the upper end through the motor, the meshing transmission is to filter belt clockwise rotation, the filter belt carries rubbish such as debris in the sewage to the dog inside, drive the band pulley synchronous revolution that is located the right-hand member through the roller that is located the upper end, it makes the auger rotatory through the universal joint to be located the band pulley of left end through belt friction transmission, carry rubbish such as the inside debris of dog to the rear end and fall into inside the collection box and collect.

Dredging: carry the inside silt of chute to collection silt incasement portion through the desilting pump through the desilting pipe, the desilting pipe drives impeller A rotation in the desilting in-process, makes the pivot that is located the left end and the gear synchronous revolution that is located the left end, and meshing transmission makes the silt of scraper blade to the inside bottom surface siltation of regulation pond inside scraping to the chute to the chain, and silt slides along the chute to the rear end and carries out the desilting.

And (3) pumping: when silt was carried to collection silt case at desilting in-process desilting pipe, the hose formed the negative pressure, and the kickboard was located the surface of water top of equalizing basin this moment, and the kickboard reciprocates along with the surface of water height is synchronous, and the hose was sucked the inside floater on the surface of water of equalizing basin through the suction piece this moment, passed check valve A and carried the inside back entering collection silt incasement portion of desilting to collect.

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

1. the universal joint enables the auger to rotate to convey garbage such as sundries on the filter belt and the stop block to the rear end to fall into the collecting box for collection, silt in the chute is conveyed into the silt collecting box through the silt removing pipe through the silt removing pump, the chain enables the scraper to scrape the silt deposited on the bottom surface in the adjusting tank to the inside of the chute, the floating plate synchronously moves up and down along with the height of the water surface, and the hose sucks floating objects on the water surface in the adjusting tank through the suction block. Solves the problems that the grating intercepts impurity garbage and the like in the water inlet, the intercepted impurities and garbage need to be manually salvaged, the time and the labor are wasted, the water inlet effect is influenced, the sludge on the bottom surface of the adjusting tank still needs to be manually shoveled, washed and the like, the steps are complicated, the efficiency is low, and the MBR membrane is inconvenient to maintain and replace, the service life is influenced, the service effect is not good enough, the impurities and the garbage in the inlet water are quickly salvaged and collected, the inlet water effect is ensured to prevent blockage, simultaneously, the silt on the bottom surface of the adjusting tank is scraped by the dredging pump, meanwhile, the floating objects on the water surface of the adjusting tank are sucked quickly, the dredging and sucking effects are improved obviously, the operation is simple, the working efficiency is improved, the MBR membrane is convenient to maintain and replace, the service life and the service life of the equipment are prolonged, the use cost is saved, the environment is protected more, and the use effect is improved obviously.

2. According to the invention, the motor drives the filter belt and the auger to synchronously rotate, the dredging pump drives the scraper plate to scrape and simultaneously suck floating objects on the water surface, and the stirring rod is driven to rotate and control the entry of disinfectant in the drainage process of the L-shaped drainage pipe, so that the using cost is effectively reduced, the energy is saved, the environment is protected, the working efficiency is obviously improved, 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 inlet tank structure of the present invention;

FIG. 3 is a schematic view of the construction of the collecting box of the present invention;

FIG. 4 is a schematic view of the interior of the conditioning tank structure of the present invention;

FIG. 5 is a cross-sectional view of the seal block construction of the present invention;

FIG. 6 is a schematic view of the structure of a reaction tank according to the present invention;

FIG. 7 is a schematic view of the water producing pipe of the present invention;

FIG. 8 is a schematic view of the structure of an aeration block of the present invention;

FIG. 9 is a schematic view of the structure of the clean water tank of the present invention;

FIG. 10 is a cross-sectional view of a circular block configuration of the present invention;

FIG. 11 is a sectional view of the construction of the sterilization case of the present invention;

fig. 12 is a sectional view showing the structure of an L-shaped drain pipe according to the present invention.

The reference numbers in the figures illustrate: 1. a main body; 2. a water inlet groove; 201. a filter belt; 202. a roll shaft; 203. a support block; 204. a motor; 205. a stopper; 206. a packing auger; 207. a pulley; 208. a collection box; 209. a universal joint; 210. a belt; 3. a regulating tank; 301. a floating plate; 302. a slider; 303. a hose; 304. a one-way valve A; 305. dredging the pipe; 306. a silt collecting tank; 307. a chain; 308. a gear; 309. a squeegee; 310. a chute; 311. a dredging pump; 312. a sewage draining outlet; 313. an impeller A; 314. a sealing block; 315. a rotating shaft; 4. a reaction tank; 401. a membrane bioreactor main body; 402. an aeration block; 403. an aeration opening; 404. an aeration pipe; 405. a T-shaped pipe; 406. an air pump; 407. an MBR membrane module; 408. a water production pipe; 409. an arc-shaped block; 410. adjusting a hand wheel; 411. a sleeve; 412. clamping a head; 413. buckling; 414. a water inlet pipe; 415. a water pump A; 5. a clean water tank; 501. a circular block; 502. a rotating rod; 503. a stirring rod; 504. an impeller B; 505. a sterilizing box; 506. a feed hopper; 507. a booster pump; 508. a transfusion tube; 509. a check valve B; 510. a semicircular block; 511. a spring; 512. connecting blocks; 6. an L-shaped drain pipe; 7. a water pump B; 8. a water outlet pipe; 9. and (4) sucking the block.

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. 1-3, membrane bioreactor integrated sewage treatment device, which comprises a main body 1, a water inlet tank 2 is arranged on the top surface of the left wall of the main body 1, an adjusting tank 3 is arranged at the right end of the water inlet tank 2, a reaction tank 4 is arranged at the right end of the adjusting tank 3, a clean water tank 5 is arranged at the right end of the reaction tank 4, a filter belt 201 is arranged inside the water inlet tank 2, two roller shafts 202 are engaged and connected inside the filter belt 201 in a vertical symmetrical structure, two supporting blocks 203 are rotatably connected on the roller shafts 202 at the upper end in a front-back symmetrical structure, a motor 204 is installed on the front surface of the supporting block 203 at the front end through a mounting seat, a stopper 205 is in middle friction contact with the upper end of the filter belt 201, an auger 206 is arranged inside the stopper 205, and a universal joint 209 is fixedly arranged at the rear end of the auger 206.

All cup jointed band pulley 207 at universal joint 209 rear end and the roller 202 rear end outer wall that is located the upper end, the band pulley 207 that is located the left end passes through belt 210 and the friction drive of band pulley 207 that is located the right-hand member, auger 206 rear end downside is connected with through the fixed block rotation and collects box 208, auger 206 front end is connected with main part 1 rotation, water pump B7 is all installed through the mount pad to equalizing basin 3 and clean water basin 5 right wall, all communicate on the water pump B7 and have outlet pipe 8, outlet pipe 8 all is connected fixedly through fixed block and main part 1.

The working principle of the invention is that when the invention is used, sewage to be treated outside is conveyed to the interior of the regulating tank 3 through the filter belt 201 by the water inlet tank 2, the roller shaft 202 at the upper end is driven to rotate by the motor 204 and is meshed and driven to rotate clockwise by the filter belt 201, garbage such as sundries in the sewage is conveyed to the interior of the stop block 205 by the filter belt 201, the pulley 207 at the right end is driven to synchronously rotate by the roller shaft 202 at the upper end, the auger 206 is driven to rotate by the pulley 207 at the left end through the friction of the belt 210 and the universal joint 209, and the garbage such as the sundries in the interior of the stop block 205 is conveyed to the rear end to fall into the interior of the collecting box 208 for collection, so that the water inlet speed is ensured not to be blocked easily.

Example 2

As shown in fig. 4-5, on the basis of embodiment 1, there is a floating plate 301 in the adjusting tank 3, two sliding blocks 302 are slidably connected to the left and right walls of the floating plate 301, the sliding blocks 302 are connected and fixed to the inner wall of the adjusting tank 3, a hose 303 is fixedly arranged in the middle of the floating plate 301, a check valve a304 is sleeved at the lower end of the hose 303, a dredging pipe 305 is communicated with the left end of the check valve a304, a silt collecting tank 306 is communicated with the upper end of the dredging pipe 305, the silt collecting tank 306 is fixedly connected to the main body 1, the dredging pipe 305 is fixedly connected to the inner wall of the adjusting tank 3 through a fixing block, a suction block 9 is fixedly arranged in the middle of the floating plate 301, and the upper end of the suction block 9 is communicated with the hose 303.

Inside bottom surface of equalizing basin 3 is front and back symmetrical structure and is equipped with two chains 307, chain 307 is inside to be equipped with pivot 315, be front and back symmetrical structure on the pivot 315 and cup jointed two gears 308, gear 308 is connected with the meshing of chain 307, scraper blade 309 has been set firmly on the chain 307,

scraper blade

309 and 3 inside bottom surface frictional contact of equalizing basin, chute 310 has been seted up to the inside left side bottom surface of equalizing basin 3, chute 310 rear end is equipped with desilting pump 311, desilting pump 311 upper end is linked together with

desilting pipe

305, 3 front surface lower extreme intercommunications in equalizing basin have drain 312, the pivot 315 rear end that is located the left end passes desilting pipe 305 outer wall and extends to inside and cup jointed impeller A313, impeller A313 right wall is equipped with seal block 314, seal block 314 is connected fixedly with desilting pipe 305.

When the device is used, sludge in the chute 310 is conveyed to the inside of the sludge collection tank 306 through the dredging pipe 305 by the dredging pump 311, the dredging pipe 305 drives the impeller A313 to rotate in the dredging process, the rotating shaft 315 at the left end and the gear 308 at the left end synchronously rotate, the scraper 309 is driven to scrape the sludge deposited on the bottom surface of the adjusting tank 3 into the chute 310 by meshing transmission to the chain 307, the sludge slides to the rear end along the chute 310 to be desilted, when the dredging pipe 305 conveys the sludge to the sludge collection tank 306 in the dredging process, the hose 303 forms negative pressure, the floating plate 301 is positioned above the water surface of the adjusting tank 3 at the moment, the floating plate 301 synchronously moves up and down along with the height of the water surface, the hose sucks floating objects on the water surface in the adjusting tank 3 through the sucking block 9 at the moment, the sucked floating objects on the water surface are conveyed to the inside of the dredging pipe 305 through the one-way valve A304 and then enter the sludge collection tank 306 to be collected, the waste water which is not regulated is discharged to the outside for treatment through the drain 312.

Example 3

As shown in fig. 6-8, on the basis of embodiment 2, a membrane bioreactor main body 401 is arranged inside a reaction tank 4, an aeration block 402 is arranged on the bottom surface of the membrane bioreactor main body 401, a plurality of aeration ports 403 are arranged on the upper surface of the aeration block 402 in a rectangular array structure, a plurality of aeration pipes 404 are communicated with the rear end of the upper surface of the aeration block 402 in a linear equidistant structure, the upper ends of the aeration pipes 404 are communicated with an air pump 406 through T-shaped pipes 405, and the air pump 406 is fixedly connected with the main body 1.

The membrane bioreactor main body 401 is internally connected with a plurality of MBR membrane assemblies 407 in a linear equidistant structure in a sliding manner, the upper ends of the MBR membrane assemblies 407 are communicated with a water production pipe 408, the left end of the water production pipe 408 is connected with an arc block 409 in a clamping manner, a front-back symmetrical structure is formed on the arc block 409 and is connected with two adjusting hand wheels 410 through threaded holes and threads, the right end of the water production pipe 408 is connected with a sleeve 411, the sleeve 411 is provided with two sleeves 411 in an up-down symmetrical structure, the sleeve 411 at the upper end is rotatably connected with the sleeve 411 at the lower end and is tightly pressed with the sleeve 411, the middle part of the front surface of the sleeve 411 at the upper end is fixedly provided with a clamping head 412, the middle part of the front surface of the sleeve 411 at the lower end is fixedly provided with a clamping buckle 413, the upper side of the right end of the membrane bioreactor main body 401 is provided with a water inlet pipe 414, and the water inlet pipe 414 is fixedly connected with the sleeve 411 and is communicated with the sleeve.

During the use, the outside air is conveyed to the T-shaped pipe 405 through the air pump 406, then the outside air enters the aeration block 402 after entering the aeration pipe 404, the bottom of the reaction tank 4 is aerated through the aeration port 403, the sewage is conveniently and fully reacted with the MBR membrane module 407, the sewage is filtered by the MBR membrane module 407 and then enters the production pipe 408, the filtered clean water source is conveyed to the inside of the clean water tank 5 through the water inlet pipe 414, the water pump A415 and the L-shaped drain pipe 6 by the production pipe 408, the arc-shaped block 409 and the production pipe 408 are conveniently separated by rotating the adjusting hand wheel 410, the buckle 413 is opened to separate the production pipe 408 from the chuck 412, the production pipe 408 and the MBR membrane module 407 can be conveniently taken out from the membrane bioreactor main body 401 for maintenance and replacement, the installation can be completed by reversely operating the steps, and the service life and the service cycle of the device are prolonged.

Example 4

As shown in fig. 9 to 12, based on embodiment 3, the rear end of the water inlet pipe 414 is communicated with a water pump a415, the right end of the water pump a415 is communicated with an L-shaped water discharge pipe 6, the L-shaped water discharge pipe 6 is fixedly connected with the left end of the inner wall of the clean water tank 5, the outer wall of the front end of the L-shaped water discharge pipe 6 is communicated with a circular block 501, the middle part of the circular block 501 is rotatably connected with a rotating rod 502, a plurality of stirring rods 503 are fixedly arranged on the rotating rod 502 in a central symmetrical structure, an impeller B504 is fixedly arranged in the circular block 501, the impeller B504 is sleeved on the outer wall of the lower end of the rotating rod 502, and the lower end of the rotating rod 502 is rotatably connected with the bottom surface of the interior of the clean water tank 5.

The top surface of the clean water tank 5 is provided with a disinfection box 505 through a mounting seat, the right end of the top surface of the disinfection box 505 is communicated with a feed hopper 506, the front end inside the disinfection box 505 is fixedly provided with a booster pump 507, the middle part of the booster pump 507 is sleeved with a perfusion tube 508, the lower end of the perfusion tube 508 is sleeved with a one-way valve B509, and the lower end of the perfusion tube 508 is communicated with the right wall of the upper end of the L-shaped drainage tube 6.

The right end of the inner wall of the L-shaped drain pipe 6 is fixedly provided with a semicircular block 510, the bottom surface of the semicircular block 510 is fixedly provided with a spring 511, the lower end of the spring 511 is fixedly provided with a connecting block 512, and the semicircular block 510 is in frictional contact with and tightly pressed with the liquid outlet at the left end of the infusion pipe 508.

When the disinfection device is used, external disinfectant is conveyed into the disinfection box 505 through the feed hopper 506, the disinfectant is conveyed into the L-shaped drain pipe 6 through the liquid conveying pipe 508 through the one-way valve B509 by the booster pump 507, when clear water passes through the L-shaped drain pipe 6, the clear water pushes the semicircular block 510 to slide downwards, the spring 511 is compressed, the semicircular block 510 is separated from the liquid conveying pipe 508, the disinfectant enters the L-shaped drain pipe 6 and is conveyed into the clear water tank 5, when the L-shaped drain pipe 6 has no water pressure, the restoring force of the spring 511 pushes the semicircular block 510 to slide upwards and is tightly pressed with the liquid conveying pipe 508, the disinfectant stops entering the L-shaped drain pipe 6, clear water is conveyed into the clear water tank 5 through the L-shaped drain pipe 6, the L-shaped drain pipe 6 drives the impeller B504 to rotate, the impeller B504 drives the rotating rod 502 and the stirring rod 503 to synchronously rotate, and the disinfectant is fully contacted with the clear water in the clear water tank for disinfection, the water after disinfection is delivered to the water outlet pipe 8 through the water pump B7 to be used for the second time.

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. Membrane bioreactor integration sewage treatment plant which characterized in that: comprises a main body (1), a water inlet groove (2) is arranged on the top surface of the left wall of the main body (1), the right end of the water inlet tank (2) is provided with an adjusting tank (3), the right end of the adjusting tank (3) is provided with a reaction tank (4), a clean water tank (5) is arranged at the right end of the reaction tank (4), a filter belt (201) is arranged in the water inlet tank (2), two roll shafts (202) are meshed and connected in the filter belt (201) in a vertically symmetrical structure, two supporting blocks (203) are rotatably connected on the roll shafts (202) at the upper ends in a front-back symmetrical structure, a motor (204) is installed on the front surface of each supporting block (203) at the front end through an installation seat, a stop block (205) is in frictional contact with the middle of the upper end of the filter belt (201), an auger (206) is arranged inside the stop block (205), and a universal joint (209) is fixedly arranged at the rear end of the auger (206);

belt wheels (207) are sleeved on the outer walls of the rear ends of the universal joints (209) and the rear ends of the roller shafts (202) positioned at the upper ends of the universal joints, the belt wheels (207) positioned at the left ends of the universal joints are in friction transmission with the belt wheels (207) positioned at the right ends of the universal joints through belts (210), the lower side of the rear ends of the packing augers (206) is rotatably connected with a collecting box (208) through fixing blocks, the front ends of the packing augers (206) are rotatably connected with the main body (1), water pumps B (7) are installed on the right walls of the adjusting tank (3) and the clean water tank (5) through mounting seats, water outlet pipes (8) are communicated with the water pumps B (7), and the water outlet pipes (8) are fixedly connected with the main body (1) through the fixing blocks;

the utility model discloses a desilting device, including equalizing basin (3), floating plate (301), two sliders (302) of symmetrical structure sliding connection around both walls all are about floating plate (301), slider (302) are fixed with equalizing basin (3) inner wall connection, hose (303) have set firmly in floating plate (301) middle part, hose (303) lower pot head is equipped with check valve A (304), check valve A (304) left end intercommunication has desilting pipe (305), desilting pipe (305) upper end intercommunication has collection silt case (306), collection silt case (306) are connected with main part (1) fixedly, desilting pipe (305) are fixed with equalizing basin (3) inner wall connection through the fixed block, floating plate (301) middle part sets firmly suction block (9), suction block (9) upper end is linked together with hose (303);

the inner bottom surface of the adjusting tank (3) is provided with two chains (307) in a front-back symmetrical structure, a rotating shaft (315) is arranged inside the chains (307), two gears (308) are sleeved on the rotating shaft (315) in a front-back symmetrical structure, the gears (308) are meshed with the chains (307), a scraper (309) is fixedly arranged on the chains (307), the scraper (309) is in friction contact with the inner bottom surface of the adjusting tank (3), a chute (310) is arranged on the inner left bottom surface of the adjusting tank (3), a desilting pump (311) is arranged at the rear end of the chute (310), the upper end of the desilting pump (311) is communicated with a desilting pipe (305), the lower end of the front surface of the adjusting tank (3) is communicated with a sewage discharge outlet (312), the rear end of the rotating shaft (315) located at the left end penetrates through the outer wall of the desilting pipe (305) to extend to the inner part and is sleeved with an impeller A (313), the right wall of the impeller A (313) is provided with a sealing block (314), the sealing block (314) is fixedly connected with the dredging pipe (305);

the top surface of the clean water tank (5) is provided with a disinfection box (505) through a mounting seat, the right end of the top surface of the disinfection box (505) is communicated with a feed hopper (506), the front end inside the disinfection box (505) is fixedly provided with a booster pump (507), the middle part of the booster pump (507) is sleeved with a liquid conveying pipe (508), the lower end of the liquid conveying pipe (508) is sleeved with a one-way valve B (509), and the lower end of the liquid conveying pipe (508) is communicated with the right wall of the upper end of an L-shaped drain pipe (6);

the right end of the inner wall of the L-shaped drain pipe (6) is fixedly provided with a semicircular block (510), the bottom surface of the semicircular block (510) is fixedly provided with a spring (511), the lower end of the spring (511) is fixedly provided with a connecting block (512), and the semicircular block (510) is in frictional contact with a liquid outlet at the left end of the infusion pipe (508) and is tightly pressed with the liquid outlet.

2. The membrane bioreactor integrated sewage treatment plant of claim 1, wherein: the membrane bioreactor is characterized in that a membrane bioreactor main body (401) is arranged inside the reaction tank (4), an aeration block (402) is arranged on the bottom surface of the membrane bioreactor main body (401), the upper surface of the aeration block (402) is of a rectangular array structure and is provided with a plurality of aeration openings (403), the rear end of the upper surface of the aeration block (402) is communicated with a plurality of aeration pipes (404) in a linear equidistant structure, the upper ends of the aeration pipes (404) are communicated with an air pump (406) through T-shaped pipes (405), and the air pump (406) is fixedly connected with the main body (1).

3. The membrane bioreactor integrated sewage treatment plant of claim 2, wherein: the membrane bioreactor main body (401) is internally connected with a plurality of MBR membrane assemblies (407) in a linear equidistant structure in a sliding manner, the upper ends of the MBR membrane assemblies (407) are communicated with a water production pipe (408), the left end of the water production pipe (408) is connected with an arc-shaped block (409) in a clamping manner, the arc-shaped block (409) is in a front-back symmetrical structure and is connected with two adjusting hand wheels (410) through threaded holes and threads, the right end of the water production pipe (408) is connected with a sleeve (411) in a clamping manner, the sleeve (411) in the upper end is in a vertical symmetrical structure, the sleeve (411) in the lower end is rotatably connected with the sleeve (411) in the lower end and is tightly pressed, the middle part of the front surface of the sleeve (411) in the upper end is fixedly provided with a clamping head (412), the middle part of the front surface of the sleeve (411) in the lower end is fixedly provided with a clamping buckle (413), and the clamping head (412) is in clamping fit with the clamping manner, the upper side of the right end of the membrane bioreactor main body (401) is provided with a water inlet pipe (414), and the water inlet pipe (414) is fixedly connected with the sleeve (411) and communicated with the sleeve.

4. The membrane bioreactor integrated sewage treatment plant of claim 3, wherein: inlet tube (414) rear end intercommunication has water pump A (415), water pump A (415) right-hand member intercommunication has L type drain pipe (6), L type drain pipe (6) are connected fixedly with clean water basin (5) inner wall left end, L type drain pipe (6) front end outer wall intercommunication has circular block (501), circular block (501) middle part is rotated and is connected with bull stick (502), it has set firmly a plurality of puddlers (503) to be central symmetrical structure on bull stick (502), circular block (501) inside has set firmly impeller B (504), impeller B (504) cup joint in bull stick (502) lower extreme outer wall, bull stick (502) lower extreme and clean water basin (5) inside bottom surface are rotated and are connected.