CN111807628A

CN111807628A - Integrated buried domestic sewage treatment equipment and treatment method

Info

Publication number: CN111807628A
Application number: CN202010691394.5A
Authority: CN
Inventors: 苏鹏鹏; 金光明; 林江
Original assignee: Huzhou Qinghong Environmental Technology Co ltd
Current assignee: Huzhou Qinghong Environmental Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2020-10-23

Abstract

The invention discloses an integrated buried domestic sewage treatment device and a treatment method in the technical field of domestic sewage treatment, and the device comprises a tank body, wherein a support is arranged at the bottom end of the tank body, a water inlet is formed in the top end of the left side of the tank body, a water outlet is formed in the bottom end of the right side of the tank body, a first partition plate, a second partition plate, a third partition plate and a fourth partition plate are sequentially arranged in the tank body from left to right, the tank body is divided into five functional compartments by the four partition plates, a stirring compartment, an aeration compartment, a biodegradation compartment, a filtering compartment and a disinfection compartment are sequentially arranged from left to right, water flow channels are respectively formed at the bottom ends of the first partition plate and the third partition plate, the top ends of the second partition plate and the fourth partition plate are not in contact with the tank body to form an overflow channel, a motor box is arranged on the outer side wall of the tank body, a, the device is compact in structure, and can fully treat sewage to reach the drinking standard meeting people.

Description

Integrated buried domestic sewage treatment equipment and treatment method

Technical Field

The invention relates to the technical field of domestic sewage treatment, in particular to an integrated buried domestic sewage treatment device and a treatment method.

Background

Rainwater in China is extremely unbalanced, rainwater in places such as the southeast coastal region is abundant, water resources are abundant, but most of water resources in the northwest are scarce, in domestic water, some water sources such as vegetable washing and hand washing can be directly used for watering, but in the regions where the water resources are scarce, the water sources can also be used for drinking, most of the existing sewage treatment equipment cannot achieve the degree that sewage treatment reaches drinking standards, the existing treatment equipment occupies a large area and cannot be put down to the home, and therefore the integrated buried domestic sewage treatment equipment and the treatment method are provided.

Disclosure of Invention

The invention aims to provide an integrated buried domestic sewage treatment device and a treatment method, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bury formula domestic sewage treatment device integratedly, includes a jar body, the bottom of the jar body sets up the support, open the left side top of the jar body has the water inlet, open the right side bottom of the jar body has the delivery port, jar internal from left to right set gradually a baffle, No. two baffles, No. three baffles and No. four baffles, above four group's baffles divide into five function cabins with jar body, from left to right be stirring cabin, aeration cabin, biodegradable cabin, filter chamber and disinfection cabin in proper order, the rivers passageway has all been opened to the bottom of a baffle and No. three baffles, No. two baffles and No. four baffles's top and jar body contactless form the overflow passageway, set up the motor case on the lateral wall of the jar body, the motor incasement sets up the motor, the power shaft of motor passes the lateral wall of the jar body and is connected with the mobile jib, the mobile jib runs through four group's baffles in, The joint of the tank body is provided with a bearing.

Further, set up the first bevel gear of multiunit in the agitator tank, first bevel gear all cup joints on the mobile jib, first bevel gear meshing second bevel gear, second bevel gear and puddler coaxial coupling, evenly set up cutting blade on the puddler, cutting blade sets up crisscross each other, the fixed gag lever post that sets up in the agitator tank, the gag lever post all runs through the gag lever post from top to bottom.

Further, the aeration cabin includes the cam, the bottom of cam sets up the dog, both ends all set up the horizontal pole about the dog, the equal fixed connection loop bar in bottom of horizontal pole, the bottom of loop bar all cup joints in the sleeve, telescopic bottom mounting is in the inner chamber bottom of the jar body, reset spring cup joints to the outer wall of loop bar, controls two sets of set up the vibration board between the loop bar, evenly open the filtration pore on the vibration board, the bottom in aeration cabin sets up the aeration pipe, evenly open on the aeration pipe has the aeration mouth, the aeration pipe passes through the pipeline and is connected with jar external air pump.

Furthermore, an MBR membrane is arranged in the biodegradation cabin, two ends of a supporting component of the MBR membrane are fixedly connected with the upper sliding block and the lower sliding block, an upper sliding groove and a lower sliding groove which are matched with the upper sliding block and the lower sliding block are formed in the second clapboard and the third clapboard, the supporting component of the MBR membrane is connected with a pull rod, the pull rod is connected with the bottom end of the inner cavity of the tank body, and a switch door positioned above the MBR membrane is arranged on the tank body.

Furthermore, set up horizontal filter plate in the filter chamber, horizontal filter plate staggers respectively and fixes on No. three baffles and No. four baffles, evenly set up perpendicular filter plate on the horizontal filter plate, horizontal filter plate includes the soft wool layer, the top of soft wool layer sets up the weaving layer, the top on weaving layer sets up the gravel layer.

Further, set up the worm in the disinfection cabin, the worm cup joints on the mobile jib, the bottom meshing worm wheel of worm, the worm wheel is close to the edge and rotates through two sets of even axles and horizontal slider and is connected, horizontal slider cup joints on the guide bar, the guide bar level is fixed in the disinfection cabin the bottom fixed connection glass cover of horizontal slider, set up the ultraviolet disinfection lamp in the glass cover.

A treatment method of integrated buried domestic sewage treatment equipment,

s1: domestic sewage enters the stirring cabin from the water inlet, the motor drives the main rod to rotate, the main rod drives the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gear to rotate, the second bevel gear drives the stirring rod to rotate, and the cutting blade on the stirring rod can cut impurities and the like, so that large impurities are reduced, and the microorganism accelerated degradation is facilitated;

s2: sewage enters the aeration cabin from the stirring cabin through the water flow channel, external air is introduced into the aeration pipe through the air pump, so that bubbles always emerge from the aeration cabin, the main rod drives the cam to rotate, the cam continuously extrudes the stop block, the stop block drives the loop bar to move up and down through the cross rod, the reset spring provides a reset function, the loop bar enables the vibration plate to vibrate up and down, through holes are uniformly formed in the vibration plate, the bubbles can be scattered, the bubbles can be fully contacted with water flow, and oxygen is provided for microorganism propagation;

s3: sewage overflows into the biodegradation cabin from the top end of the second clapboard, and propagated microorganisms are gathered at the top end of the MBR membrane, so that the degradation rate is greatly accelerated, most impurities in the water filtered by the MBR permeable membrane are degraded by the microorganisms, toxic and harmful substances are phagocytosed and absorbed by the microorganisms, and the MBR membrane can be quickly replaced by opening and closing the door;

s4: purified sewage enters the filtering cabin from the water flow channel, a plurality of groups of horizontal filtering plates and vertical filtering plates are combined for use, so that the sewage is finally filtered, a soft hair layer on the horizontal filtering plate can adsorb small-sized particle solid impurities, the pore diameter of a textile layer is small, various residues can be filtered, the material of a sandstone layer is wide, and the breeding of microorganisms can be reduced;

s5: during the disinfection cabin was overflowed from the top of No. four baffles in the water source after the filtration, the mobile jib drove the worm and rotates, and worm meshing worm wheel rotates, drove even axle operation during the worm wheel rotates, and even axle can drive horizontal slider horizontal slip on the guide bar, and the ultraviolet disinfection lamp can disinfect the water source, and the bacterium is by the inactivation back, and the clean water source is discharged from the delivery port, supplies people to use.

Compared with the prior art, the invention has the beneficial effects that: the integrated buried domestic sewage treatment equipment and the integrated buried domestic sewage treatment method provided by the technical scheme can be used by combining the stirring cabin, the aeration cabin, the biodegradation cabin, the filtering cabin and the disinfection cabin, so that some domestic sewage can reach the drinking standard after treatment, the device completes stirring and vibration through a set of motor, and drives the disinfection lamp to slide and other purposes, the structure is compact, the integrated buried domestic sewage treatment equipment can be embedded below the ground surface, the occupied space on the ground is reduced, the integrated structure is convenient to install, the field assembly is not needed, and the integrated buried domestic sewage treatment equipment is suitable for being used in areas lacking water resources.

Drawings

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

FIG. 2 is a schematic view of the structure of the stirring chamber of the present invention;

FIG. 3 is a schematic structural view of an aeration tank according to the present invention;

FIG. 4 is a schematic view of the biodegradable tank according to the present invention;

FIG. 5 is a schematic view of a filter capsule according to the present invention;

FIG. 6 is a schematic view of the horizontal filter plate according to the present invention;

fig. 7 is a schematic view of the structure of the disinfection cabin of the invention.

In the figure: 1. a tank body; 2. a support; 3. a water inlet; 4. a water outlet; 5. a first separator plate; 6. a second separator plate; 7. a third clapboard; 8. a fourth clapboard; 9. a stirring chamber; 10. an aeration cabin; 11. a biodegradable tank; 12. a filtration compartment; 13. a disinfection cabin; 14. a motor case; 15. a motor; 16. a main rod; 17. a water flow channel; 100. an air pump; 101. a cam; 102. a stopper; 103. a cross bar; 104. a loop bar; 105. a sleeve; 106. a return spring; 107. a vibrating plate; 108. an aeration pipe; 109. an aeration opening; 111. a chute; 112. an upper slide block and a lower slide block; 113. MBR membrane; 114. a pull rod; 115. opening and closing the door; 121. a horizontal filter plate; 122. vertical filter plates; 131. a worm; 132. a worm gear; 133. a connecting shaft; 134. a horizontal slider; 135. a guide bar; 136. a glass cover; 137. an ultraviolet disinfection lamp; 901. a first bevel gear; 902. a second bevel gear; 903. a stirring rod; 904. a cutting blade; 905. a limiting rod; 1211. a soft wool layer; 1212. a textile layer; 1213. a sand stone layer.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an integrated buried domestic sewage treatment device and treatment method comprises a tank body 1, wherein a support 2 is arranged at the bottom end of the tank body 1, anti-skid grains are arranged at the bottom end of the support 2, a water inlet 3 is formed in the top end of the left side of the tank body 1, a water outlet 4 is formed in the bottom end of the right side of the tank body 1, a first partition plate 5, a second partition plate 6, a third partition plate 7 and a fourth partition plate 8 are sequentially arranged in the tank body 1 from left to right, the tank body 1 is divided into five functional compartments by the four partition plates, and a stirring compartment 9, an aeration compartment 10, a biological degradation compartment 11, a filtering compartment 12 and a disinfection compartment 13 are;

as shown in fig. 1, water flow channels 17 are formed at the bottom ends of the first partition plate 5 and the third partition plate 7, the top ends of the second partition plate 6 and the fourth partition plate 8 are not in contact with the tank body 1 to form an overflow channel, a motor box 14 is arranged on the outer side wall of the tank body 1, a motor 15 is arranged in the motor box 14, a power shaft of the motor 15 penetrates through the side wall of the tank body 1 to be connected with a main rod 16, the main rod 16 sequentially penetrates through the four partition plates, and bearings are arranged at the joints of the main rod, the partition plates and the tank body.

As shown in fig. 2, a plurality of groups of first bevel gears 901 are arranged in the stirring cabin 9, the first bevel gears 901 are all sleeved on the main rod 16, the first bevel gears 901 are meshed with the second bevel gears 902, the second bevel gears 902 are coaxially connected with the stirring rod 903, the cutting blades 904 are uniformly arranged on the stirring rod 903 and are staggered with each other, the limiting rods 905 are fixedly arranged in the stirring cabin 9, the stirring rod 903 all penetrates through the limiting rods 905 from top to bottom, the cutting blades 904 are driven to rotate when the stirring rod 903 rotates, and the cutting blades 904 can cut solid impurities in water to be small, so that the solid impurities are convenient for phagocytosis and degradation of microorganisms;

as shown in fig. 3, the aeration tank 10 includes a cam 101, a stopper 102 is disposed at the bottom end of the cam 101, a cross rod 103 is disposed at each of the left and right ends of the stopper 102, a loop bar 104 is fixedly connected to the bottom end of the cross rod 103, the bottom end of the loop bar 104 is sleeved in a sleeve 105, the bottom end of the sleeve 105 is fixed to the bottom of the inner cavity of the tank 1, a return spring 106 is sleeved on the outer wall of the loop bar 104, a vibration plate 107 is disposed between the left and right loop bars 104, filter holes are uniformly formed in the vibration plate 107, an aeration pipe 108 is disposed at the bottom end of the aeration tank 10, aeration holes 109 are uniformly formed in the aeration pipe 108, the aeration pipe 108 is connected to an air pump 100 outside the tank 1 through a pipeline, bubbles in the aeration pipe 108 are large, and when the vibration plate 107 continuously vibrates, the through holes on the vibration plate can scatter the bubbles, so that the bubbles become small;

as shown in fig. 4, an MBR membrane 113 is disposed in the biodegradation cabin 11, and is a conventional MBR membrane, which can retain microorganisms, so that the content of microorganisms in unit water body increases, and the phagocytosis and degradation of the microorganisms on impurities in sewage are enhanced, wherein upper and lower sliding

blocks

6 and 7, which are fixedly connected with upper and lower sliding blocks 112, are provided with upper and lower sliding grooves 111, which are matched with the upper and lower sliding blocks 112, respectively, at both ends of a supporting component of the MBR membrane 113, the supporting component of the MBR membrane 113 is connected with a pull rod 114, the pull rod 114 is connected with the bottom end of an inner cavity of the tank body 1, the tank body 1 is provided with an opening and closing door 115, which is positioned above the MBR membrane 113, and the opening and closing door 115 is convenient for workers to replace the MBR membrane;

as shown in fig. 5 and 6, horizontal filter plates 121 are arranged in the filter chamber 12, the horizontal filter plates 121 are respectively fixed on the third partition plate 7 and the fourth partition plate 8 in a staggered manner, vertical filter plates 122 are uniformly arranged on the horizontal filter plates 121, each horizontal filter plate 121 comprises a soft wool layer 1211, a textile layer 1212 is arranged at the top end of each soft wool layer 1211, a sand layer 1213 is arranged at the top end of each textile layer 1212, the outside of each sand layer 1213 is wrapped by the textile layer 1212, the materials are wide, the filtering effect is excellent, and bacteria and microorganisms are not easy to breed;

as shown in fig. 7, a worm 131 is arranged in the disinfection cabin 13, the worm 131 is sleeved on the main rod 16, the bottom end of the worm 131 is meshed with the worm wheel 132, the worm wheel 132 is close to the edge and is rotatably connected with the horizontal slider 134 through two sets of connecting shafts 133, the horizontal slider 134 is sleeved on the guide rod 135, the guide rod 135 is horizontally fixed at the bottom end of the horizontal slider 134 in the disinfection cabin 13 and is fixedly connected with the glass cover 136, an ultraviolet disinfection lamp 137 is arranged in the glass cover 136, and through combined use of the worm and the worm wheel, the ultraviolet disinfection lamp 137 can continuously irradiate the cleaning water body, and bacteria residue is reduced to the maximum extent.

A treatment method of an integrated buried domestic sewage treatment device comprises the following steps:

s1: domestic sewage enters the stirring cabin 9 from the water inlet 3, the motor 15 drives the main rod 16 to rotate, the main rod 16 drives the first bevel gear 901 to rotate, the first bevel gear 901 is meshed with the second bevel gear 902 to rotate, the second bevel gear 902 drives the stirring rod 903 to rotate, and the cutting blade 904 on the stirring rod 903 can cut impurities and the like, so that large impurities are reduced, and the microorganism accelerated degradation is facilitated;

s2: sewage enters the aeration cabin 10 from the stirring cabin 9 through the water flow channel 17, the air pump 100 guides external air into the aeration pipe 108, so that bubbles always emerge from the aeration cabin 10, the main rod 16 drives the cam 101 to rotate, the cam 101 continuously extrudes the stop block 102, the stop block 102 drives the loop bar 104 to move up and down through the cross rod 103, the return spring 106 provides a return function, the loop bar 104 enables the vibration plate 107 to vibrate up and down, through holes are uniformly formed in the vibration plate 107, the bubbles can be scattered, so that the bubbles are fully contacted with water flow, oxygen is provided, and microorganisms are propagated;

s3: sewage overflows into the biodegradation cabin 11 from the top end of the second clapboard 6, propagated microorganisms are gathered at the top end of the MBR membrane 113, the degradation rate is greatly accelerated, most impurities in the water filtered by the MBR permeable membrane are degraded by the microorganisms, toxic and harmful substances are phagocytosed and absorbed by the microorganisms, and the MBR membrane 113 can be quickly replaced by opening and closing the door 115;

s4: purified sewage enters the filtering cabin 12 from the water flow channel 17, the plurality of groups of horizontal filtering plates 121 and the vertical filtering plates 122 are combined for use, so that the sewage is finally filtered, the soft wool layer 1211 on the horizontal filtering plate 121 can adsorb small-sized particle solid impurities, the pore size of the textile layer 1212 is small, various residues can be filtered, the sandstone layer 1213 is wide in material, and the breeding of bacteria, microorganisms and the like can be reduced;

s5: during the water source after the filtration spills over to disinfection cabin 13 from the top of No. four baffle 8, mobile jib 16 drives worm 131 and rotates, and worm 131 meshes worm wheel 132 and rotates, drives even axle 133 operation when worm wheel 132 rotates, and even axle 133 can drive horizontal slider 134 and slide about the guide bar 135, and ultraviolet disinfection lamp 137 can disinfect the water source, and the bacterium is inactivated the back, and clean water source is discharged from delivery port 4, supplies people to use.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bury formula domestic sewage treatment device integratedly, includes jar body (1), its characterized in that: the bottom of the tank body (1) is provided with a support (2), the left top end of the tank body (1) is provided with a water inlet (3), the right bottom end of the tank body (1) is provided with a water outlet (4), a first baffle (5), a second baffle (6), a third baffle (7) and a fourth baffle (8) are sequentially arranged in the tank body (1) from left to right, the four baffles divide the tank body (1) into five functional cabins, a stirring cabin (9), an aeration cabin (10), a biodegradation cabin (11), a filtering cabin (12) and a disinfection cabin (13) are sequentially arranged from left to right, the bottoms of the first baffle (5) and the third baffle (7) are provided with water flow channels (17), the top ends of the second baffle (6) and the fourth baffle (8) are not in contact with the tank body (1) to form an overflow channel, the outer side wall of the tank body (1) is provided with a motor box (14), set up motor (15) in motor case (14), the power shaft of motor (15) passes the lateral wall of the jar body (1) and is connected with mobile jib (16), mobile jib (16) run through four groups of baffles in proper order, and its junction with baffle, jar body respectively sets up the bearing.

2. The integrated buried domestic sewage treatment equipment of claim 1, wherein: the multi-group bevel gear type stirring device is characterized in that a plurality of groups of first bevel gears (901) are arranged in the stirring cabin (9), the first bevel gears (901) are all sleeved on the main rod (16), the first bevel gears (901) are meshed with the second bevel gears (902), the second bevel gears (902) are coaxially connected with the stirring rod (903), cutting blades (904) are evenly arranged on the stirring rod (903), the cutting blades (904) are arranged in a mutually staggered mode, limiting rods (905) are fixedly arranged in the stirring cabin (9), and the limiting rods (905) are all penetrated through the stirring rod (903) from top to bottom.

3. The integrated buried domestic sewage treatment equipment of claim 1, wherein: aeration cabin (10) include cam (101), the bottom of cam (101) sets up dog (102), both ends all set up horizontal pole (103) about dog (102), the equal fixed connection loop bar (104) in bottom of horizontal pole (103), the bottom of loop bar (104) all cup joints in sleeve (105), the bottom mounting of sleeve (105) is in the inner chamber bottom of the jar body (1), reset spring (106) are cup jointed to the outer wall of loop bar (104), control two sets of set bar (104) between set bar (107) set up vibration board (107), evenly open on vibration board (107) has the filtration pore, the bottom of aeration cabin (10) sets up aeration pipe (108), evenly open aeration mouth (109) on aeration pipe (108), aeration pipe (108) are connected through pipeline and jar external air pump (100).

4. The integrated buried domestic sewage treatment equipment of claim 1, wherein: set up MBR membrane (113) in biodegradable cabin (11), the both ends and upper and lower slider (112) fixed connection of the supporting component of MBR membrane (113) all open on No. two baffle (6) and No. three baffle (7) have with upper and lower slider (112) the upper and lower spout (111) of mutual adaptation, the supporting component and the pull rod (114) of MBR membrane (113) are connected, pull rod (114) are connected with jar body (1) inner chamber bottom, open switch door (115) that are located the top of MBR membrane (113) on jar body (1).

5. The integrated buried domestic sewage treatment equipment of claim 1, wherein: set up horizontal filter plate (121) in filtration cabin (12), horizontal filter plate (121) are crisscross to be fixed respectively on No. three baffle (7) and No. four baffle (8), evenly set up perpendicular filter plate (122) on horizontal filter plate (121), horizontal filter plate (121) are including soft wool layer (1211), the top of soft wool layer (1211) sets up weaving layer (1212), the top of weaving layer (1212) sets up sandstone layer (1213).

6. The integrated buried domestic sewage treatment equipment of claim 1, wherein: set up worm (131) in disinfection cabin (13), worm (131) cup joint on mobile jib (16), the bottom meshing worm wheel (132) of worm (131), worm wheel (132) are close to the edge and rotate through two sets of even axle (133) and horizontal slider (134) and are connected, horizontal slider (134) cup joint on guide bar (135), guide bar (135) level is fixed in disinfection cabin (13) the bottom fixed connection glass cover (136) of horizontal slider (134), set up ultraviolet disinfection lamp (137) in glass cover (136).

7. The treatment method of the integrated buried domestic sewage treatment equipment according to any one of claims 1 to 6, wherein:

s1: domestic sewage enters the stirring cabin (9) from the water inlet (3), the motor (15) drives the main rod (16) to rotate, the main rod (16) drives the first bevel gear (901) to rotate, the first bevel gear (901) is meshed with the second bevel gear (902) to rotate, the second bevel gear (902) drives the stirring rod (903) to rotate, and the cutting blade (904) on the stirring rod (903) can cut impurities and the like, so that the large impurities are reduced, and the microorganism accelerated degradation is facilitated;

s2: sewage enters an aeration cabin (10) from a stirring cabin (9) through a water flow channel (17), an air pump (100) guides external air into an aeration pipe (108), bubbles always emerge from the aeration cabin (10), a main rod (16) drives a cam (101) to rotate, the cam (101) continuously extrudes a stop block (102), the stop block (102) drives a loop bar (104) to move up and down through a cross rod (103), a reset spring (106) provides a reset function, the loop bar (104) enables a vibrating plate (107) to vibrate up and down, through holes are uniformly formed in the vibrating plate (107), the bubbles can be scattered, the bubbles are fully contacted with water flow, oxygen is provided, and microorganisms are propagated;

s3: sewage overflows into the biodegradation cabin (11) from the top end of the second clapboard (6), and propagated microorganisms are gathered at the top end of the MBR membrane (113), so that the degradation rate is greatly accelerated, most impurities are degraded by the microorganisms in water quality filtered by the MBR permeable membrane, toxic and harmful substances are phagocytosed and absorbed by the microorganisms, and the MBR membrane (113) can be quickly replaced by opening and closing the door (115);

s4: purified sewage enters the filtering cabin (12) from the water flow channel (17), a plurality of groups of horizontal filtering plates (121) and vertical filtering plates (122) are combined for use, so that the sewage is finally filtered, a soft wool layer (1211) on each horizontal filtering plate (121) can adsorb small-sized particle solid impurities, the pore size of the textile layer (1212) is small, various residues can be filtered, the sandstone layer (1213) is wide in material, and the breeding of microorganisms can be reduced;

s5: the water source after the filtration overflows to disinfection cabin (13) from the top of No. four baffle (8), mobile jib (16) drive worm (131) and rotate, worm (131) meshing worm wheel (132) rotate, drive even axle (133) operation when worm wheel (132) rotate, even axle (133) can drive horizontal slider (134) and slide about guide bar (135), ultraviolet disinfection lamp (137) can disinfect the water source, the bacterium is inactivated the back, clean water source is discharged from delivery port (4), supply people to use.