CN214709719U - Blowdown system for fish pond - Google Patents

Abstract

The utility model discloses a sewage discharging system for a fish pond, which comprises a double-pipe sewage discharging mechanism for discharging sewage in the fish pond and a primary filtering mechanism for filtering the sewage, wherein the double-pipe sewage discharging mechanism comprises a vertical pipe and a sleeve, the sleeve is connected with the vertical pipe in a sliding way, a driving mechanism is arranged on the vertical pipe, a first through hole is arranged at the lower end of the vertical pipe, a second through hole is arranged on the sleeve, the diameter of the first through hole is larger than that of the second through hole, the driving mechanism drives the sleeve to rise periodically to prevent larger dirt from blocking the second through hole, the primary filtering mechanism comprises a filtering box and a drainage pipeline for discharging the sewage, a first filtering net for filtering the dirt is arranged in the filtering box, the first filtering net is an annular filtering net, a driving mechanism for driving the first filtering net to rotate is arranged in the filtering box, a filtering net cleaning mechanism is arranged at the upper end of the filtering box to realize automatic cleaning of the road net, the labor intensity is reduced.

Description

Blowdown system for fish pond

Technical Field

The utility model belongs to the technical field of the aquaculture technique and specifically relates to a sewage discharging system for fish pond.

Background

The water quality of the fish pond is an important influence factor on the quality of aquaculture products such as fish, shrimps and the like, and the better the water quality of the fish pond is, the higher the quality of the aquaculture products is. In the process of culturing aquatic products such as fish, shrimp and the like, the dirt in the fish pond is discharged regularly, so that the condition that the water quality of the fish pond is damaged by the dirt such as fish feces and the like can be avoided.

In the existing fish pond culture, a double-flow blow-off pipe is adopted for blow-off and matched with a filter box for filtration. But the drain outlet of the double-flow drain pipe is easy to be blocked and needs to be maintained frequently; meanwhile, when the filter box filters, the filter screen is easily plugged, the filtering effect is lost, the filter box is often cleaned, and the labor intensity is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem, provide a sewage system for fish pond, can in time discharge the filth in the fish pond, ensure fish pond quality of water to can realize reducing intensity of labour to the automatic filtration of filter screen.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a blowdown system for fish pond, is including the double-barrelled blowdown mechanism that is arranged in discharging sewage in the fish pond, be used for carrying out filterable prefiltration mechanism and be used for precipitating filterable whirl to sewage and deposit the mechanism, double-barrelled blowdown mechanism output is connected with prefiltration mechanism, whirl respectively and deposits the mechanism.

Further, double-barrelled sewage discharging mechanism includes riser and sleeve, the sleeve with sliding connection between the riser is equipped with the first actuating mechanism that the drive sleeve goes up and down on the riser, and the riser lower extreme is equipped with first through-hole, is equipped with the second through-hole on the sleeve, and the diameter of first through-hole is greater than the diameter of second through-hole, still includes the base, the base is fixed in the fish pond bottom, is equipped with first sewage discharging pipeline in the base, and the riser lower extreme cooperates with first sewage discharging pipeline upper end, and the sleeve lower extreme cooperates with the base inner wall, lies in the first sewage discharging pipeline outside in the base and is equipped with the second sewage discharging pipeline.

Further, the first driving mechanism comprises a cylinder, the cylinder body end of the cylinder is connected with the vertical pipe, and the piston rod end of the cylinder is connected with the sleeve;

the base upper end is equipped with the deflector, be equipped with the whirl board in the base, the direction of rotation of whirl board is the same with rivers direction of rotation.

Further, the preliminary filtration mechanism includes the rose box, be equipped with the drainage pipe that is used for filtering the first filter screen of filth and is used for discharging sewage in the rose box, first filter screen is located between second sewage pipes and the drainage pipe, and first filter screen is the annular filter screen, is equipped with the first filter screen pivoted second actuating mechanism of drive in the rose box, first filter screen both sides and the sealed cooperation of rose box inner wall, the rose box upper end is equipped with the clean mechanism of filter screen, is equipped with the inductive switch who is used for responding to the water level on the rose box inner wall.

Furthermore, the second driving mechanism comprises a conveying roller for driving the first filter screen to operate and a motor for driving the conveying roller to rotate, and the conveying roller is distributed vertically and symmetrically;

the filter box lower extreme is equipped with the recess, first filter screen lower extreme and recess cooperation, be equipped with the rubber layer in the recess.

Furthermore, the filter screen cleaning mechanism comprises a water pipe for washing the first filter screen and a brush roller for washing the first filter screen, wherein a plurality of nozzles are arranged on the water pipe and are arranged along the axis of the water pipe, two ends of a rotating shaft of the brush roller are rotatably connected with the support frame, and the brush roller is connected with the rotating shaft of the conveying roller through a belt.

Furthermore, the right end of the filter box is provided with a collecting box, the lower end of the collecting box is provided with a recovery pipeline, and the upper end of the collecting box is provided with a second filter screen.

Further, the rotational flow precipitation mechanism comprises a rotational flow barrel, the first sewage discharge pipeline penetrates into the lower end of the rotational flow barrel, a water outlet is formed in the lower end of the rotational flow barrel, an electromagnetic valve is arranged at the position of the water outlet, a sewage barrel is arranged below the water outlet, and the part of the first sewage discharge pipeline penetrating into the rotational flow barrel is an elbow.

Furthermore, the upper end of the second sewage pipeline is provided with a lifting pipe, the lower end of the lifting pipe extends into the second sewage pipeline and is in sliding connection with the second sewage pipeline, and the lifting pipe and the second sewage pipeline are positioned through a positioning screw.

Furthermore, an overflow groove is formed in the upper end of the cyclone barrel, an overflow pipe is arranged on the side face of the overflow groove, and the lower end of the drainage pipeline and the lower end of the recovery pipeline are both connected with the overflow pipe.

The utility model has the advantages that:

1. the double-pipe sewage draining mechanism of the utility model comprises a vertical pipe and a sleeve, wherein the sleeve is connected with the vertical pipe in a sliding way, the lower end of the vertical pipe is provided with a first through hole, the sleeve is provided with a second through hole, the double-pipe sewage draining mechanism also comprises a base, the base is fixed at the bottom of the fish pond, a first sewage discharge pipeline is arranged in the base, the lower end of the vertical pipe is matched with the upper end of the first sewage discharge pipeline, the lower end of the sleeve is matched with the inner wall of the base, a second sewage discharge pipeline is arranged outside the first sewage discharge pipeline in the base, water in the fish pond forms water whirl, thereby screw in bottom of the pool central authorities to breed animal's incomplete bait, excrement and urine etc. filth enters into sleeve and riser lower extreme through first through-hole, second through-hole, and later the filth discharges through first sewage pipes and second sewage pipes, has realized the automatic discharge of filth, has reduced the intensity of labour of clearance filth, guarantees simultaneously that the filth can not pile up in the fish pond, prevents rotten pollution water quality.

2. The utility model discloses be equipped with the actuating mechanism that the drive sleeve goes up and down on the riser, the diameter of first through-hole is greater than the diameter of second through-hole, sets up double-deck sheathed tube form to make the diameter of first through-hole be greater than the diameter of second through-hole, can prevent that the fish from escaping from the sleeve, and actuating mechanism periodic drive sleeve rises, and great filth enters into the riser lower extreme through first through-hole and discharges, prevents that great filth from blockking up the second through-hole, improves the blowdown reliability.

3. The utility model discloses the prefiltration mechanism includes rose box and the drainage pipe who is used for discharging sewage, be equipped with the first filter screen that is used for filtering filth in the rose box, first filter screen is located between second sewage pipes and the drainage pipe, first filter screen is the annular filter screen, be equipped with the actuating mechanism who drives first filter screen rotation in the rose box, state rose box upper end and be equipped with filter screen cleaning mechanism, be equipped with the inductive switch who is used for responding to the water level on the rose box inner wall, during operation, anhydrous in the fish pond enters into the rose box through the inlet channel, sewage after the first filter screen filters enters into first filter screen right side, later discharge through drainage pipe, enter into subsequent sterilizing system and carry out germicidal treatment; when inductive switch sensed the water level, actuating mechanism drive filter screen rotated, and the clean mechanism of filter screen cleans first filter screen, and degree of automation is high, reduces intensity of labour.

4. The utility model discloses be equipped with the fall way in second sewage pipes upper end, the fall way lower extreme go deep into the inlet channel and with inlet channel between sliding connection, through the set screw location between fall way and the inlet channel, the inlet channel passes through the connecting plate and is connected with the rose box, the pine set screw soon, the fall way can go up and down to adjust the difference in height between fall way top and the fish pond low side, adjustment sewage intake efficiency.

5. The utility model discloses well whirl deposits mechanism includes the whirl bucket, first blowdown pipeline is deepened to whirl bucket lower extreme, and whirl bucket lower extreme is equipped with the delivery port, and delivery port department is equipped with the solenoid valve, and the delivery port below is equipped with the slop pail, and the solenoid valve passes through the wire to be connected with the controller, regularly opens and close through controller control solenoid valve, discharges the filth that deposits in the whirl bucket, and automatic blowdown does not need the manual work to open regularly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a sectional view of the double-barrelled sewage discharging mechanism of the utility model;

FIG. 3 is a schematic view of the base structure of the present invention;

FIG. 4 is a sectional view of the primary filter mechanism of the present invention;

FIG. 5 is an enlarged view of a portion A of FIG. 4;

fig. 6 is a left side view of the primary filter mechanism of the present invention.

In the figure: the device comprises a vertical pipe 1, a sleeve 2, a first through hole 3, a second through hole 4, a base 5, a first sewage discharge pipeline 6, a second sewage discharge pipeline 7, an air cylinder 8, a guide plate 9, a swirl plate 10, a filter box 11, a first filter screen 12, a water discharge pipeline 13, a sensing switch 14, a conveying roller 15, a motor 16, a groove 17, a rubber layer 18, a water pipe 19, a brush roller 20, a spray head 21, a belt 22, a collecting box 23, a recovery pipeline 24, a second filter screen 25, a lifting pipe 26, a positioning screw 27, a swirl barrel 28, a water outlet 29, a sewage barrel 30, an overflow groove 31 and an overflow pipe 32.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

For convenience of description, a coordinate system is now defined as shown in fig. 1.

As shown in fig. 1, the sewage discharging system for the fish pond comprises a double-pipe sewage discharging mechanism for discharging sewage in the fish pond, a primary filtering mechanism for filtering the sewage and a cyclone precipitation mechanism for precipitating and filtering the sewage, wherein the output end of the double-pipe sewage discharging mechanism is respectively connected with the primary filtering mechanism and the cyclone precipitation mechanism.

As shown in fig. 2 and 3, the double-pipe sewage draining mechanism comprises a vertical pipe 1 and a sleeve 2, the sleeve 2 is connected with the vertical pipe 1 in a sliding manner, a first driving mechanism for driving the sleeve 2 to lift is arranged on the vertical pipe 1, a first through hole 3 is arranged at the lower end of the vertical pipe 1, a second through hole 4 is arranged on the sleeve 2, the diameter of the first through hole 3 is larger than that of the second through hole 4, and a base 5 is further included, base 5 is fixed in the fish pond bottom, is equipped with first sewage pipes 6 in the base 5, and the cooperation of 1 lower extreme of riser and 6 upper ends of first sewage pipes, 6 lower extremes of first sewage pipes stretch out base 5, and 2 lower extremes of sleeve and the cooperation of 5 inner walls of base, lie in the 6 outsides of first sewage pipes in the base 5 and be equipped with second sewage pipes 7, and second sewage pipes 7 stretches out base 5 from the side, and first sewage pipes 6 and whirl precipitate the mechanism intercommunication, second sewage pipes 7 and just filtering mechanism intercommunication.

As shown in fig. 1 and 2, the first driving mechanism includes a cylinder 8, a cylinder end of the cylinder 8 is connected to the vertical pipe 1, a piston rod end of the cylinder 8 is connected to an upper end of the sleeve 2 through a pin, the cylinder 8 is connected to an air source through an air pipe, an electromagnetic valve is disposed on the air pipe, the electromagnetic valve is connected to a controller through a wire, and the controller controls the timing opening and closing of the electric valve to control the expansion and contraction of the piston rod of the cylinder. The vertical pipe 1 is provided with a connecting plate, and the cylinder body end of the cylinder 8 is arranged on the connecting plate.

As shown in fig. 2 and 3, the upper end of the base 5 is provided with a guide plate 9, so that the sleeve 2 can be conveniently inserted into the base 5; be equipped with whirl board 10 in the base 5, whirl board 10's direction of rotation is the same with rivers direction of rotation, conveniently discharges the filth through second sewage pipes 7.

As shown in fig. 1 and 4, the preliminary filtering mechanism includes a filtering box 11, a first filtering net 12 for filtering dirt and a drainage pipeline 13 for discharging sewage are arranged in the filtering box 11, the first filtering net 12 is located between a second drainage pipeline 72 and the drainage pipeline 13, the first filtering net 12 is an annular filtering net, a second driving mechanism for driving the first filtering net 12 to rotate is arranged in the filtering box 11, two sides of the first filtering net 12 are in sealing fit with the inner wall of the filtering box 11, rubber layers are arranged at two ends of the first filtering net 12 and play a role in sealing, so that the dirt is prevented from overflowing from a gap between the first filtering net 12 and the inner wall of the filtering box 11, the filtering effect is ensured, a filtering net cleaning mechanism is arranged at the upper end of the filtering box 11, and an induction switch 14 for inducing water level is arranged on the inner wall of the filtering box 11.

As shown in fig. 4 to 6, the second driving mechanism includes a conveying roller 15 for driving the first filter screen 12 to operate and a motor 16 for driving the conveying roller 15 to rotate, and the conveying rollers 15 are symmetrically distributed up and down. The inductive switch 14 is connected with a controller through a lead, the controller controls the motor 16 to rotate, and the motor 16 drives the first filter screen 12 to operate. The filter tank 11 both sides are equipped with the support frame, upper end conveying roller 15 pivot support on the support frame and with rotate between the support frame and be connected, motor 16 installs on the support frame, and motor 16 output shaft passes through the coupling joint with upper end conveying roller 15 pivot. The lower extreme of rose box 11 is equipped with recess 17, and first filter screen 12 lower extreme and recess 17 cooperation, be equipped with rubber layer 18 in the recess 17, the rubber layer plays sealed effect, prevents that the filth from revealing from first filter screen 12 lower extreme, and the good reliability.

As shown in fig. 4 and 6, the filter screen cleaning mechanism includes a water pipe 19 for washing the first filter screen 12 and a brush roller 20 for washing the first filter screen 12, the water pipe 19 is supported on the support frame 8, a plurality of nozzles 21 are arranged on the water pipe 19, the nozzles 21 are arranged along the axis of the water pipe 19, the water pipe 19 is communicated with an external water source through a hose, a water pump is arranged on the hose, the water pump is connected with the controller through a guide, when the water level is sensed by the sensing switch 14, the motor 16 drives the first filter screen 12 to rotate, meanwhile, the water pump fills water into the water pipe and cleans the first filter screen 12 through the nozzles, two ends of a rotating shaft of the brush roller 20 are rotatably connected with the support frame, the brush roller 20 is connected with a rotating shaft of the conveying roller 15 through a belt 22, belt pulleys are arranged on the rotating shaft of the brush roller 20 and the rotating shaft of the conveying roller 15, and two ends of the belt 22 are matched with the corresponding belt pulleys.

As shown in fig. 4, a collection box 23 is arranged at the right end of the filter box 11, a recovery pipeline 24 is arranged at the lower end of the collection box 23, a second filter screen 25 is arranged at the upper end of the collection box 23, the cleaning water sprayed from the water pipe 19 and the dirt brushed by the brush roller 20 from the first filter screen 12 fall into the collection box 23, and then the cleaning water is recovered through the second filter screen 25 and the recovery pipeline 24. When the automatic cleaning device works, cleaning water washes the first filter screen 12 through the water pipe and the spray head, and washes the first filter screen 12 through the brush roller 20, so that the first filter screen 12 is automatically cleaned, the labor intensity is reduced, and the filtering efficiency is improved.

As shown in fig. 1, the rotational flow precipitation mechanism comprises a rotational flow barrel 28, the first sewage discharge pipeline 6 extends into the lower end of the rotational flow barrel 28, a water outlet 29 is formed in the lower end of the rotational flow barrel 28, an electromagnetic valve is arranged at the position of the water outlet 29, a sewage barrel 30 is arranged below the water outlet 29, the part of the first sewage discharge pipeline 6 extending into the rotational flow barrel 28 is an elbow, so that sewage of the rotational flow barrel 28 rotates all the time, the middle position of the rotational flow barrel in a sewage meeting is precipitated, the electromagnetic valve is connected with a controller through a wire, the electromagnetic valve is controlled by the controller to be opened and closed at regular time, the precipitated sewage in the rotational flow barrel 28 is discharged, automatic sewage discharge is realized, and manual timing opening is not needed.

As shown in fig. 1, an overflow groove 31 is provided at the upper end of the cyclone barrel 28, water in the cyclone barrel 28 enters the overflow groove 31 after reaching a certain height, an overflow pipe 32 is provided at the side of the overflow groove 31, the lower end of the drainage pipeline 13 and the lower end of the recovery pipeline 24 are both connected with the overflow pipe 32, and filtered sewage is discharged to a subsequent sterilization system for treatment.

As shown in fig. 4, the second sewage conduit 7 is provided with an elevating pipe 26 at the upper end thereof, the lower end of the elevating pipe 26 extends into the second sewage conduit 7 and is slidably connected with the second sewage conduit 7, the elevating pipe 26 and the second sewage conduit 7 are positioned by a positioning screw 27, the second sewage conduit 7 is connected with the filter box 11 by a connecting plate, the positioning screw 27 is loosened by screwing, and the elevating pipe 26 can be lifted, so that the height difference between the top end of the elevating pipe 26 and the lower end of the fish pond is adjusted, and the sewage inlet efficiency is adjusted.

When the device is used, water in the fish pond forms water rotation, so that residual bait, excrement and the like for cultivating animals are screwed into the center of the bottom of the fish pond, sewage enters the lower ends of the sleeve 2 and the vertical pipe 1 through the first through hole 3 and the second through hole 4, and then is discharged through the first sewage discharge pipeline 6 and the second sewage discharge pipeline 7, so that the sewage is automatically discharged, the sewage cannot be accumulated in the fish pond, and the water quality is prevented from being deteriorated and polluted; facility double-deck sheathed tube form to make the diameter of first through-hole 3 be greater than the diameter of second through-hole 4, can prevent that the fish from escaping from the sleeve, and actuating mechanism drives the sleeve periodically and rises, and great filth enters into 1 lower extreme of riser through first through-hole and discharges, prevents that great filth from blockking up second through-hole 4, improves the blowdown reliability.

The method comprises the following steps that (1) no water in a fish pond enters a filter box 11 through a second sewage discharge pipeline 7, a first filter screen 12 filters sewage, the filtered sewage enters the right side of the first filter screen 12, and the filtered water is discharged through a drainage pipeline 13 and enters a subsequent sterilization system for sterilization treatment; when the inductive switch 14 senses the water level, the driving mechanism drives the filter screen to rotate, and the filter screen cleaning mechanism cleans the first filter screen 12, so that the automation degree is high, and the labor intensity is reduced.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (10)

1. The utility model provides a blowdown system for fish pond, its characterized in that, including the double-barrelled blowdown mechanism that is arranged in discharging sewage in the fish pond, be used for carrying out filterable prefiltration mechanism and be used for precipitating filterable whirl to sewage and deposit the mechanism, double-barrelled blowdown mechanism output is connected with prefiltration mechanism, whirl respectively and deposits the mechanism.

2. A waste drainge system for fish ponds according to claim 1, characterized in that the double pipe waste drainge means comprises a riser (1) and a sleeve (2), the sleeve (2) is connected with the vertical pipe (1) in a sliding way, a first driving mechanism for driving the sleeve (2) to lift is arranged on the vertical pipe (1), a first through hole (3) is arranged at the lower end of the vertical pipe (1), a second through hole (4) is arranged on the sleeve (2), the diameter of the first through hole (3) is larger than that of the second through hole (4), the sleeve also comprises a base (5), base (5) are fixed in the fish pond bottom, are equipped with first sewage pipes (6) in base (5), and riser (1) lower extreme and first sewage pipes (6) upper end cooperation, sleeve (2) lower extreme and base (5) inner wall cooperation are located first sewage pipes (6) outside in base (5) and are equipped with second sewage pipes (7).

3. A sewerage system for fish ponds according to claim 2, characterised in that the first actuating means comprises a cylinder (8), the cylinder (8) being connected at its cylinder end to the riser (1) and at its cylinder (8) end to the sleeve (2);

the base (5) upper end is equipped with deflector (9), be equipped with whirl board (10) in base (5), the direction of rotation and the rivers direction of rotation of whirl board (10) are the same.

4. The sewage system for the fish pond as claimed in claim 2, wherein the primary filtering mechanism comprises a filtering box (11), a first filtering net (12) for filtering sewage and a drainage pipe (13) for discharging sewage are arranged in the filtering box (11), the first filtering net (12) is positioned between the second sewage pipeline (7) and the drainage pipe (13), the first filtering net (12) is an annular filtering net, a second driving mechanism for driving the first filtering net (12) to rotate is arranged in the filtering box (11), two sides of the first filtering net (12) are in sealing fit with the inner wall of the filtering box (11), a filtering net cleaning mechanism is arranged at the upper end of the filtering box (11), and an inductive switch (14) for sensing water level is arranged on the inner wall of the filtering box (11).

5. A waste discharge system for fish ponds according to claim 4, characterized in that the second driving mechanism comprises a conveyor roller (15) for driving the first filter (12) to operate and a motor (16) for driving the conveyor roller (15) to rotate, the conveyor roller (15) being arranged symmetrically up and down;

the filter box (11) lower extreme is equipped with recess (17), first filter screen (12) lower extreme and recess (17) cooperation, be equipped with rubber layer (18) in recess (17).

6. A sewage system for a fish pond according to claim 4, wherein the filter screen cleaning mechanism comprises a water pipe (19) for washing the first filter screen (12) and a brush roller (20) for washing the first filter screen (12), a plurality of spray heads (21) are arranged on the water pipe (19), the two ends of the rotating shaft of the brush roller (20) are rotatably connected with the support frame, and the rotating shaft of the brush roller (20) is connected with the rotating shaft of the conveying roller (15) through a belt (22).

7. A waste draining system for fish pond as claimed in claim 4, wherein the right end of the filtering box (11) is provided with a collecting box (23), the lower end of the collecting box (23) is provided with a recycling pipe (24), and the upper end of the collecting box (23) is provided with a second filter screen (25).

8. The sewage system for the fish pond as claimed in claim 2, wherein the cyclone precipitation mechanism comprises a cyclone barrel (28), the first sewage pipeline (6) extends into the lower end of the cyclone barrel (28), the lower end of the cyclone barrel (28) is provided with a water outlet (29), a solenoid valve is arranged at the water outlet (29), a sewage barrel (30) is arranged below the water outlet (29), and the part of the first sewage pipeline (6) extending into the cyclone barrel (28) is an elbow.

9. A waste pipe system for a fish pond as claimed in claim 8, wherein the second waste pipe (7) is provided with an elevator pipe (26) at the upper end, the lower end of the elevator pipe (26) extends into the second waste pipe (7) and is slidably connected with the second waste pipe (7), and the elevator pipe (26) and the second waste pipe (7) are positioned by a positioning screw (27).

10. A sewage draining system for a fish pond as claimed in claim 8, wherein the cyclone barrel (28) is provided with an overflow trough (31) at the upper end thereof, an overflow pipe (32) is provided at the side of the overflow trough (31), and the lower end of the water draining pipeline (13) and the lower end of the recovery pipeline (24) are connected to the overflow pipe (32).

Images