CN212610136U - Energy-efficient rural domestic sewage treatment system - Google Patents

Abstract

The utility model relates to a high-efficiency energy-saving rural domestic sewage treatment system, which comprises a sewage tank and an aeration tank which are arranged on the ground from left to right in sequence, sewage treatment case and bleaching pond, the aeration tank is through first water pump and effluent water sump intercommunication, the aeration tank lower part is provided with the gas-supply pipe, aeration tank top left side is provided with the aeration fan with the gas-supply pipe intercommunication, the sewage treatment case passes through second water pump and aeration tank intercommunication, the bleaching pond passes through third water pump and sewage treatment case intercommunication, the aeration tank lateral wall is connected with the storehouse of storing that is used for storing activated sludge, store the storehouse top and set up the inside income mud mouth that just is used for carrying activated sludge of intercommunication, store the storehouse and set up the outlet in the intercommunication aeration tank, it is provided with the push pedal to the direction slip of outlet in the storehouse to store, it is provided with the impeller to store the storehouse outer wall, the sludge discharge mouth has been seted up to the lateral wall of aeration tank bottom portion. The aeration tank has the effect of realizing the replacement of the activated sludge in the aeration tank.

Description

Energy-efficient rural domestic sewage treatment system

Technical Field

The utility model relates to a sewage treatment's technical field especially relates to a rural domestic sewage treatment system of energy-efficient.

Background

The rural domestic sewage is mainly derived from washing, bathing and kitchen waste water, septic tank waste water and the like of villagers and factory worker dormitory buildings at the periphery of villages. The sewage pollutants are simple in components and easy to treat, mainly contain organic substances, nitrogen and phosphorus nutrient substances, suspended matters, germs and other pollutant components, and the water quantity change is large. At present, most rural domestic sewage is purified by adopting a method of local natural discharge through the self-purification capacity of a storage water body (a river, a river surge, a pond, a depression and an irrigation and drainage channel).

With the continuous promotion of new rural construction, rural economy is rapidly developed. Particularly, in rural areas around developed cities, the living standard of rural population is improved, the living sewage quantity in the rural areas is obviously increased due to the accompanying population growth, and the self-purification capacity of the original receiving water body is exceeded in part of the rural areas. A large amount of toxic and harmful substances flow into natural water, so that the dissolved oxygen in the water is reduced, the concentration of pollutants is increased, an original ecological system is damaged, the water is smelly and black, and mosquitoes and insects are bred. The water body loses the original use function and landscape function, the water safety and body health of people in the surrounding areas are seriously influenced, and the food safety of crops in farmlands around the water body is seriously threatened.

A rural domestic sewage treatment system with the existing authorization bulletin number of CN208394987U comprises sewage treatment equipment and a vertical-flow constructed wetland, wherein the sewage treatment equipment comprises a base, a sewage tank, an aeration tank, a sewage treatment tank and a bleaching tank, the sewage tank, the aeration tank, the sewage treatment tank and the bleaching tank are sequentially arranged on the top surface of the base from left to right, a filtering device is arranged in the middle of the sewage tank, the aeration tank is communicated with the sewage tank through a first water pump, a gas pipe is arranged at the lower part of the aeration tank, an aeration fan is arranged on the left side of the top of the aeration tank, the bottom of the aeration fan is communicated with the gas pipe, the sewage treatment tank is communicated with the aeration tank through a second water pump, a stirring device is arranged in the sewage treatment tank, the bleaching tank is communicated with the sewage treatment tank through a third water pump, and a drain pipe is arranged on the side surface of the lower part of, and the sewage flowing out of the drainage pipe directly flows into the vertical flow artificial wetland.

The technical scheme has the following problems: the aeration tank mainly utilizes an activated sludge method to treat sewage, certain sewage retention time is provided in the aeration tank, the oxygen amount required by aerobic microorganisms and the mixing condition of full contact of sewage and activated sludge are met, activated sludge has partial activated sludge to lose activity in a long-term use process, the activated sludge cannot play the original function, and the aeration tank cannot realize the replacement of the activated sludge in the tank.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient energy-conserving rural domestic sewage treatment system, it has the effect that can realize carrying out new and old change to the activated sludge in the aeration tank.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a high-efficiency energy-saving rural domestic sewage treatment system comprises a sewage tank, an aeration tank, a sewage treatment tank and a bleaching tank, wherein the sewage tank, the aeration tank, the sewage treatment tank and the bleaching tank are sequentially arranged on the ground from left to right, a filtering device is arranged in the middle of the sewage tank, the aeration tank is communicated with the sewage tank through a first water pump, a gas pipe is arranged at the lower part of the aeration tank, an aeration fan is arranged on the left side of the top of the aeration tank, the bottom of the aeration fan is communicated with the gas pipe, the sewage treatment tank is communicated with the aeration tank through a second water pump, a stirring device is arranged in the sewage treatment tank, the bleaching tank is communicated with the sewage treatment tank through a third water pump, a drain pipe is arranged on the side surface of the lower part of the bleaching tank, the outer side wall of the aeration tank is connected with a storage bin for storing active sludge, a sludge inlet communicated with the interior and used for, store the storehouse and offer the mud outlet in the intercommunication aeration tank, it slides to the direction of mud outlet and is provided with the push pedal to store the storehouse, it is provided with the impeller that is used for promoting the push pedal to remove towards the direction of mud outlet to store the storehouse outer wall, the mud discharging port has been seted up to the lateral wall of aeration tank bottom, mud discharging port department is connected with the dredge pump.

Through adopting above-mentioned technical scheme, through the impeller, make the impeller push away the push pedal and remove towards the direction of mud outlet, the push pedal can be to the extrusion of the activated sludge who stores in the storehouse when the push pedal removes, make the activated sludge after the extrusion discharge to the aeration tank in from the mud outlet department who stores the storehouse, start the dredge pump simultaneously, will be located aeration tank bottom deactivation's mud and remove from mud outlet department through the effect of dredge pump, from this, can realize carrying out old and new change to the activated sludge in the aeration tank.

The utility model discloses further set up to: the pushing piece comprises a pushing hydraulic cylinder, and a piston shaft of the pushing hydraulic cylinder penetrates through the storage bin and then is connected with the push plate.

By adopting the technical scheme, the pushing hydraulic cylinder is simple in structure, high-power elements can be made of large output force, the working efficiency is high, the performance is stable and reliable, and the use and the maintenance are convenient.

The utility model discloses further set up to: and a cover plate matched with the mud inlet is arranged at the mud inlet.

Through adopting above-mentioned technical scheme, the setting of apron can cover income mud mouth department, avoids falling into the debris of large granule, prevents that large granule debris from blockking up out the mud mouth.

The utility model discloses further set up to: the mud outlet is connected with a corrugated pipe, and the storage bin is provided with a driving assembly for enabling the corrugated pipe to swing up and down.

Through adopting above-mentioned technical scheme, when activated sludge flowed out from the bellows, the bellows can present flagging state under activated sludge's action of gravity, and activated sludge can fall into aeration tank department nearest from the bellows, through drive assembly, makes the bellows throw from top to bottom, and the bellows can throw away the activated sludge in the bellows when throwing from top to bottom, makes activated sludge just disperse evenly when flowing into aeration tank.

The utility model discloses further set up to: the drive assembly comprises a clip-shaped frame, a pull rope and a cam, wherein the clip-shaped frame is arranged on the top wall of the storage bin and horizontally slides in a reciprocating mode, the pull rope is connected between the clip-shaped frame and the corrugated pipe, the cam is rotatably arranged in the clip-shaped frame, and the storage bin is provided with a power source used for controlling the rotation of the cam.

Through adopting above-mentioned technical scheme, through the rotation of cam in returning the type frame, can take back the type frame and realize the slip that makes a round trip, return the type frame and can produce pulling force to the stay cord when making a round trip to slide, realize pulling up to the bellows through the effect of stay cord, the stay cord is when not having the pulling force, and the bellows can droop under the effect of gravity, so relapse, alright with the upper and lower whipping that realizes the bellows.

The utility model discloses further set up to: store the storehouse roof and be provided with the installation shell, the installation shell is inside to be offered and to be used for holding the installation cavity of returning the type frame, the power supply sets up on the roof that the installation shell deviates from to store the storehouse, the power supply includes motor power, motor power's the vertical setting of output shaft, motor power's output shaft runs through behind the installation shell and is connected with the cam.

By adopting the technical scheme, the output shaft of the power motor drives the cam to rotate, the cam drives the return frame to slide in the mounting cavity of the mounting shell in a reciprocating manner, and the power motor can realize the rapid rotation of the cam.

The utility model discloses further set up to: the relative lateral wall of installation intracavity is seted up and is on a parallel with the guide way of returning the type frame reciprocating sliding direction, it is connected with the guide block that is located the guide way and slides with the guide way and be connected to return type frame outer wall.

Through adopting above-mentioned technical scheme, time returning the type frame and reciprocating sliding, the guide block on the type frame that returns slides in the guide way, can play the effect of a direction to returning the type frame.

The utility model discloses further set up to: the inner peripheral wall of the aeration tank close to the bottom end is arranged towards the middle closing-in.

Through adopting above-mentioned technical scheme, the interior perisporium of aeration tank bottom closes up to the centre and sets up and can realize activated sludge in the aeration tank to middle gathering, the dredge pump of being convenient for is to activated sludge's discharge.

The utility model discloses further set up to: the aeration tank is provided with a controller, the aeration tank is internally provided with a high water level detector and a low water level detector which are used for detecting the water level, and the high water level detector, the low water level detector and the aeration fan are all electrically connected with the controller.

Through adopting above-mentioned technical scheme, the low water level in the aeration tank can be detected to the low water level detector, can control aeration fan stop drive through the controller during low water level, when waiting the water level to rise to the high water level detector and detect high water level, can start the drive through controller control aeration fan, and consequently, aeration fan can start according to the height of liquid level in the aeration tank, can not be in the starting condition all the time, wastes electric resource.

To sum up, the utility model discloses a beneficial technological effect does:

1. the push plate can extrude the activated sludge in the storage bin when the push plate moves, so that the extruded activated sludge is discharged into the aeration tank from the sludge outlet of the storage bin, and the sewage pump is started to discharge the inactivated sludge at the bottom of the aeration tank from the sludge outlet under the action of the sewage pump, so that the activated sludge in the aeration tank can be replaced;

2. an output shaft of the power motor drives the cam to rotate, the cam drives the return frame to slide in a reciprocating mode in the mounting cavity of the mounting shell, and the power motor can achieve rapid rotation of the cam.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is an exploded view of the aeration tank, the push plate and the storage bin in the embodiment of the present invention;

FIG. 3 is a schematic sectional view of an aeration tank and a storage bin according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic cross-sectional view of a bleaching tank in an embodiment of the present invention.

In the figure, 1, a sewage tank; 11. a filter plate; 111. a filtration pore; 12. a first water pump; 121. a water outlet pipe; 2. an aeration tank; 21. a gas delivery pipe; 22. a bearing plate; 221. an aeration fan; 23. a low water level detector; 24. a high water level detector; 25. a sludge outlet; 251. a bellows; 26. the abdicating long hole; 27. a second water pump; 3. a sewage treatment tank; 31. a fixing plate; 32. a third water pump; 4. a bleaching tank; 41. a drain pipe; 42. a diatomite layer; 5. a storage bin; 51. a cavity; 511. pushing the plate; 52. a mud inlet pipe; 521. a cover plate; 53. mounting a shell; 531. a mounting cavity; 532. a guide groove; 6. a bolt; 7. pushing the hydraulic cylinder; 81. a clip frame; 811. hanging a ring; 812. a guide block; 82. a cam; 83. pulling a rope; 9. a sewage pump; 1011. a stirring paddle; 1012. a rotating shaft; 1013. a stirring motor; 102. a power motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a rural domestic sewage treatment system of energy-efficient, including effluent water sump 1, aeration tank 2, sewage treatment case 3 and bleaching pond 4, effluent water sump 1, aeration tank 2, sewage treatment case 3 and bleaching pond 4 set up subaerial from a left side to the right side in proper order. Middle part position department in the effluent water sump 1 is provided with filter equipment, and filter equipment includes filter 11, has evenly seted up a plurality of filtration pores 111 on filter 11, and the periphery wall of filter 11 welds in the internal perisporium of effluent water sump 1.

A lateral wall of aeration tank 2 fits in a lateral wall of effluent water sump 1, and effluent water sump 1 deviates from its lateral wall of 2 laminating of aeration tank and has seted up the delivery port, and aeration tank 2 sets up through first water pump 12 and effluent water sump 1 intercommunication, and first water pump 12 fixed mounting is subaerial, and the water inlet of first water pump 12 is connected with the delivery port of effluent water sump 1 through the inlet tube. The water outlet of the first water pump 12 is connected with the aeration tank 2 through a water outlet pipe 121, and the water outlet pipe 121 extends into the bottom of the aeration tank 2.

Referring to fig. 1 and 2, the lower part of the aeration tank 2 is provided with a gas pipe 21, one side of the top of the aeration tank 2, which is close to the sewage tank 1, is welded with a bearing plate 22, an aeration fan 221 is fixedly installed on the bearing plate 22, and the bottom of the aeration fan 221 is communicated with the gas pipe 21.

The side wall of the aeration tank 2 is fixedly connected with a low water level detector 23 at a position close to the bottom, the side wall of the aeration tank 2 is fixedly connected with a high water level detector 24 directly above the low water level detector 23, a controller (not shown in the figure) is fixedly connected on the bearing plate 22, and the low water level detector 23, the high water level detector 24 and the aeration fan 221 are all electrically connected with the controller through electric wires. The low water level detector 23 and the high water level detector 24 detect the water level in the aeration tank 2, when the water level is low, the low water level detector 23 transmits a signal to the controller to control the aeration fan 221 to stop running, and when the water level is high, the high water level detector 24 transmits a signal to the controller to control the aeration fan 221 to start running.

With reference to fig. 2, 3 and 4, the outer side wall of the aeration tank 2 is welded with a storage bin 5 which is arranged in a rectangular shape, the length direction of the storage bin 5 is consistent with that of the aeration tank 2, and a cavity 51 for storing activated sludge is formed between the storage bin 5 and the outer side wall of the aeration tank 2. The position department that the top of storing storehouse 5 is close to the edge has seted up intercommunication cavity 51 and has been used for carrying activated sludge's income mud mouth, the vertical welding of income mud mouth department has into mud pipe 52, the periphery wall circumference of going into mud pipe 52 outwards extends has the round turn-ups, it is provided with apron 521 in turn-ups department to go into mud pipe 52, apron 521 laminates in the turn-ups, apron 521 and turn-ups pass through bolt 6 and nut threaded connection, bolt 6 and nut circumference set up to a plurality ofly, 6 wears to locate apron 521 edge and turn-ups back and nut threaded connection of bolt.

Referring to fig. 2 and 3, the side wall of the aeration tank 2 close to the storage bin 5 is provided with a plurality of sludge outlets 25 communicated with the cavity 51, the plurality of sludge outlets 25 are arranged at intervals along the length direction of the aeration tank 2, and the plurality of sludge outlets 25 are all on the same horizontal line. The storage bin 5 is provided with a push plate 511 in a sliding manner towards the mud outlet 25, and the outer peripheral wall of the push plate 511 is attached to the inner peripheral wall of the cavity 51.

One side of the storage bin 5, which is far away from the side wall of the aeration tank 2, is provided with two groups of pushing pieces, the two groups of pushing pieces are arranged at intervals along the length direction of the storage bin 5, and the pushing pieces are used for pushing the pushing plate 511 to move towards the mud outlet 25. The pushing part comprises a pushing hydraulic cylinder 7, the pushing hydraulic cylinder 7 is fixedly connected to the storage bin 5, the axial direction of a piston shaft of the pushing hydraulic cylinder 7 is consistent with the sliding direction of the push plate 511, and the piston shaft of the pushing hydraulic cylinder 7 penetrates through the storage bin 5 and then is fixedly connected with the push plate 511 positioned in the cavity 51.

Referring to fig. 2 and 4, a corrugated pipe 251 is fixedly connected to each sludge outlet 25, the corrugated pipe 251 is bent toward the bottom wall of the aeration tank 2, and a driving assembly for simultaneously swinging the plurality of corrugated pipes 251 up and down is disposed on the storage bin 5. The driving assembly comprises a clip frame 81, a pull rope 83 and a cam 82, a mounting shell 53 is welded on the top wall of the storage bin 5, the mounting shell 53 is rectangular, and the length direction of the mounting shell 53 is consistent with that of the storage bin 5. An installation cavity 531 is formed between the installation shell 53 and the side wall of the aeration tank 2, the clip frame 81 is arranged in the installation cavity 531, the length direction of the clip frame 81 is consistent with the length direction of the installation shell 53, and the clip frame 81 slides back and forth along the width direction of the installation shell 53.

Referring to fig. 3 and 4, the outer wall of the clip frame 81 is welded with a hanging ring 811 corresponding to the plurality of corrugated pipes 251 one by one on one side facing the side wall of the aeration tank 2, the pull rope 83 is provided with a plurality of pull ropes and corresponds to the plurality of corrugated pipes 251 one by one, one end of each pull rope 83 is fixedly connected with the hanging ring 811, and the other end of each pull rope 83 is fixedly connected with one side of the corrugated pipe 251 departing from the bottom wall of the aeration tank 2. The aeration tank 2 is provided with a yielding long hole 26 for a plurality of pull ropes 83 to pass through towards the side wall of the mounting shell 53, the yielding long hole 26 extends along the length direction of the aeration tank 2, and the yielding long hole 26 corresponds to the mounting cavity 531 of the mounting shell 53.

The cam 82 is located in the clip frame 81, and the cam 82 can rotate on the clip frame 81, and the distal point of the cam 82 abuts against the inner wall of the clip frame 81 to drive the clip frame 81 to reciprocate. When the corrugated pipe 251 is in a sagging state under the action of the gravity of the sludge in the pipe, the far center point of the cam 82 is abutted against one side wall of the clip-shaped frame 81 close to the aeration tank 2, and a gap is reserved between the near center point of the cam 82 and one side wall of the clip-shaped frame 81 far from the aeration tank 2.

The storage bin 5 is provided with a power source for controlling the rotation of the cam 82, the power source comprises a power motor 102, the power motor 102 is fixedly connected to the upper surface of the installation shell 53, an output shaft of the power motor 102 is vertically arranged, and the output shaft of the power motor 102 penetrates through the installation shell 53 and then is fixedly connected with the cam 82.

Referring to fig. 2 and 4, guide grooves 532 parallel to the reciprocating sliding direction of the rectangular frame 81 are respectively formed in the opposite side walls of the mounting cavity 531 along the length direction of the mounting shell 53, and guide blocks 812 located in the guide grooves 532 and connected with the guide grooves 532 in a sliding manner are respectively welded on the opposite outer walls of the rectangular frame 81 along the length direction.

Referring to fig. 3, the inner peripheral wall of the aeration tank 2 near the bottom end is arranged towards the middle closing-in, the side wall of the bottom of the aeration tank 2 is provided with a sludge discharge port, and the sludge discharge port is fixedly connected with a sewage pump 9.

Referring to fig. 1 and 5, the sewage treatment tank 3 is connected to the aeration tank 2 by a second water pump 27, one end of the second water pump 27 is connected to the lower portion of the aeration tank 2, and the other end of the second water pump 27 is connected to the upper portion of the sewage treatment tank 3, so that the sewage treated by the aeration tank 2 is pumped to the sewage treatment tank 3. Be provided with agitating unit in the sewage treatment case 3, agitating unit includes agitator motor 1013, rotation axis 1012 and stirring rake 1011, the middle part welding of sewage treatment case 3 top surface has fixed plate 31, the both ends of fixed plate 31 respectively with the inside relative lateral wall welding of sewage treatment case 3, agitator motor 1013 fixed mounting is on fixed plate 31, agitator motor 1013's output shaft runs through behind the fixed plate 31 and is connected with rotation axis 1012 fixed connection, agitator motor 1013's output shaft and rotation axis 1012 coaxial rotation, the other end of rotation axis 1012 stretches into in the sewage treatment case 3, stirring rake 1011 sets up the lower extreme department at rotation axis 1012.

The bleaching tank 4 is communicated with the sewage treatment tank 3 through a third water pump 32, one end of the third water pump 32 is communicated with the lower part of the sewage treatment tank 3, the other end of the third water pump 32 is communicated with the upper part of the bleaching tank 4, and sewage treated by the sewage treatment tank 3 is extracted to the bleaching tank 4. A diatomite layer 42 is arranged in the bleaching pool 4, two ends of the diatomite layer 42 are respectively and fixedly connected to the inner walls of two sides of the bleaching pool 4, a drain pipe 41 is arranged on the side surface of the lower part of the bleaching pool 4, and sewage flowing out of the drain pipe 41 directly flows into the vertical flow artificial wetland.

The working principle of the embodiment is as follows: when the inactivated sludge in the aeration tank 2 needs to be replaced, the sewage pump 9 is started to discharge the sludge deposited at the bottom of the aeration tank 2, after the sludge is discharged, the pushing hydraulic cylinder 7 is started to extend the piston shaft of the pushing hydraulic cylinder 7, the pushing plate 511 moves towards the sludge outlet 25 under the action of the pushing hydraulic cylinder 7, and the activated sludge in the storage bin 5 flows into the corrugated pipe 251 positioned in the aeration tank 2 from the sludge outlet 25 under the extrusion of the pushing plate 511 and flows into the aeration tank 2 through the corrugated pipe 251;

at this time, the power motor 102 can be started, the output shaft of the power motor 102 drives the cam 82 to rotate, when the cam 82 rotates, the remote center point of the cam 82 changes position, when the remote center point of the cam 82 rotates towards the inner side wall of the return-type frame 81 far away from the aeration tank 2, the remote center point position of the cam 82 drives the return-type frame 81 to slide towards the direction far away from the aeration tank 2, and the return-type frame 81 drives the pull rope 83 to move and drives the corrugated pipe 251 to swing towards the direction far away from the bottom wall of the aeration tank 2;

when the center of the cam 82 is rotated toward the side wall of the frame 81 close to the aeration tank 2, the bellows 251 is under the gravity of the sludge in the pipe, the bellows 251 hangs down and pulls the pull cord 83 to make the pull cord 83 slide toward the aeration tank 2 with the frame 81 close to the aeration tank. This makes it possible to slide the frame 81 back and forth and to cause the bellows 251 to swing up and down.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. An efficient energy-saving rural domestic sewage treatment system comprises a sewage tank (1), an aeration tank (2), a sewage treatment tank (3) and a bleaching tank (4), wherein the sewage tank (1), the aeration tank (2), the sewage treatment tank (3) and the bleaching tank (4) are sequentially arranged on the ground from left to right, a filtering device is arranged in the middle of the inside of the sewage tank (1), the aeration tank (2) is communicated with the sewage tank (1) through a first water pump (12), a gas pipe (21) is arranged at the lower part of the aeration tank (2), an aeration fan (221) is arranged on the left side of the top of the aeration tank (2), the bottom of the aeration fan (221) is communicated with the gas pipe (21), the sewage treatment tank (3) is communicated with the aeration tank (2) through a second water pump (27), and a stirring device is arranged in the sewage treatment tank (3), bleaching pond (4) are through third water pump (32) and sewage treatment case (3) intercommunication setting, be provided with drain pipe (41), its characterized in that on bleaching pond (4) lower part side: aeration tank (2) lateral wall is connected with storage storehouse (5) that is used for storing activated sludge, store storehouse (5) top and offer the inside income mud mouth that just is used for carrying activated sludge of intercommunication, store storehouse (5) and offer mud outlet (25) in the intercommunication aeration tank (2), it slides to the direction of mud outlet (25) and is provided with push pedal (511) to store storehouse (5), it is provided with the impeller that is used for promoting push pedal (511) to remove towards the direction of mud outlet (25) to store storehouse (5) outer wall, the mud outlet has been seted up to the lateral wall of aeration tank (2) bottom, mud outlet department is connected with dredge pump (9).

2. The high-efficiency energy-saving rural domestic sewage treatment system according to claim 1, characterized in that: the pushing piece comprises a pushing hydraulic cylinder (7), and a piston shaft of the pushing hydraulic cylinder (7) penetrates through the storage bin (5) and then is connected with the push plate (511).

3. The high-efficiency energy-saving rural domestic sewage treatment system according to claim 1, characterized in that: and a cover plate (521) matched with the mud inlet is arranged at the mud inlet.

4. The high-efficiency energy-saving rural domestic sewage treatment system according to claim 1, characterized in that: the sludge outlet (25) is connected with a corrugated pipe (251), and the storage bin (5) is provided with a driving assembly for driving the corrugated pipe (251) to swing up and down.

5. The high-efficiency energy-saving rural domestic sewage treatment system according to claim 4, characterized in that: the drive assembly comprises a clip-shaped frame (81) which is arranged on the top wall of the storage bin (5) and horizontally slides in a reciprocating manner, a pull rope (83) connected between the clip-shaped frame (81) and a corrugated pipe (251), and a cam (82) which is rotatably arranged in the clip-shaped frame (81), wherein the storage bin (5) is provided with a power source for controlling the rotation of the cam (82).

6. The high-efficiency energy-saving rural domestic sewage treatment system according to claim 5, characterized in that: store storehouse (5) roof and be provided with installation shell (53), installation shell (53) inside offer be used for holding back installation cavity (531) of type frame (81), the power supply sets up on installation shell (53) deviates from the roof of storing storehouse (5), the power supply includes motor power (102), the vertical setting of output shaft of motor power (102), the output shaft of motor power (102) runs through behind installation shell (53) and is connected with cam (82).

7. The high-efficiency energy-saving rural domestic sewage treatment system according to claim 6, characterized in that: the installation cavity (531) is internally provided with a relative side wall which is provided with a guide groove (532) parallel to the reciprocating sliding direction of the clip-shaped frame (81), and the outer wall of the clip-shaped frame (81) is connected with a guide block (812) which is positioned in the guide groove (532) and is connected with the guide groove (532) in a sliding way.

8. The high-efficiency energy-saving rural domestic sewage treatment system according to claim 1, characterized in that: the inner peripheral wall of the aeration tank (2) close to the bottom end is arranged towards the middle closing-in.

9. The high-efficiency energy-saving rural domestic sewage treatment system according to claim 1, characterized in that: the aeration tank (2) is provided with a controller, a high water level detector (24) and a low water level detector (23) for detecting water levels are arranged in the aeration tank (2), and the high water level detector (24), the low water level detector (23) and the aeration fan (221) are electrically connected with the controller.

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