Energy-saving sewage treatment device

Abstract

The invention discloses an energy-saving sewage treatment device which comprises an upper sewage cylinder, a lower sewage cylinder and a support column, the upper sewage cylinder is arranged at the top of the left end of the lower sewage cylinder and communicated with the interior of the lower sewage cylinder, the support column is fixedly connected to the bottom of the upper sewage cylinder, an outer cylinder is arranged in the upper sewage cylinder, and a stirring rod is rotationally connected to the interior of the outer cylinder. According to the energy-saving sewage treatment device, the stirring rod is arranged in the upper sewage cylinder, the top of the stirring rod is connected with the rotating disc and the adjusting piece, the pressurizing assembly is matched with the medicine storage cavity, medicine and air can be conveyed to the bottom end of the stirring rod through the fixing pipe and the medicine discharging opening, and meanwhile the stirring rod is driven by the power assembly to rotate; the sewage treatment device has the advantages that the sewage treatment effect is greatly improved, the chemical waste is reduced, the chemical feeding and oxygen pumping do not need additional power energy, the energy utilization efficiency of the device is improved on the whole, and the energy-saving concept is practiced.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, in particular to an energy-saving sewage treatment device. Background Art

[0002] With the continuous progress of modern life, urban sewage discharge has further increased, and with it comes the advancement of sewage treatment equipment.

[0003] In the prior art, the publication number is CN115417541B, which includes an upper box body and a lower box body that are internally connected together, an aeration pipe is installed between the upper box body and the lower box body, and also includes: a filter cartridge with hollow rods on both sides, which are rotatably connected to the inner wall of the upper box body through bearings; wherein the hollow rods on both sides are rotatably connected to a medicine pipe and a wastewater pipe through a rotating head; two guide plates symmetrically welded in the upper box body, and an air bag is installed on the upper surface of the guide plate; a filter plate installed in the lower box body, located below the aeration pipe, for secondary filtration; a rotating shaft rotatably connected to the lower box body, a sterilization lamp assembly is installed on the rotating shaft, one end of the rotating shaft extends out of the lower box body and is installed with a pair of eccentric wheels; an air box, installed on the outside of the lower box body, and is connected to the air bag and the aeration pipe through a first air outlet pipe and a second air outlet pipe respectively, and the pair of eccentric wheels are against the pressing assembly provided on the air box.

[0004] Although the above device can clean the filtering equipment, the sewage and the reagent will inevitably flow quickly into the interior of the lower box after entering the filter cartridge, so that the reagent and the sewage cannot be fully mixed, resulting in poor sewage treatment effect and waste of reagents.

[0005] In view of this, an energy-saving sewage treatment device is proposed. Summary of the invention

[0006] In view of the deficiencies of the prior art, the present invention provides an energy-saving sewage treatment device, which solves the problems raised in the above background technology.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an energy-saving sewage treatment device, comprising an upper sewage cylinder, a lower sewage cylinder and a support, wherein the upper sewage cylinder is arranged at the top of the left end of the lower sewage cylinder and communicated with the interior thereof, and the support is fixedly connected to the bottom of the upper sewage cylinder; An outer cylinder is provided inside the upper sewage cylinder, a stirring rod is rotatably connected inside the outer cylinder, a cleaning piece is provided on the outer wall of the top end of the stirring rod, an inner cylinder is provided at the bottom of the cleaning piece and located on the circumference of the stirring rod, a rotating disk is fixedly connected to the top end of the stirring rod, and an adjusting piece is provided on the upper surface of the rotating disk; The interior of the upper sewage cylinder bump is provided with a medicine storage cavity. A pressurizing component is arranged at the top of the upper sewage cylinder. The output end of the pressurizing component is connected to an adjusting component and is used in cooperation with the medicine storage cavity. The outer wall of the top of the stirring rod is provided with a fixed pipe, and the other end of the fixed pipe is connected to the pressurizing component and the medicine storage cavity. A medicine discharging port is opened on the outer wall of the bottom end of the stirring rod. A filter cylinder is arranged inside the lower sewage cylinder. A power component for driving the stirring rod and the filter cylinder to rotate is arranged on the surface of the support column.

[0008] The present invention has the following beneficial effects: In this energy-saving sewage treatment device, a stirring rod is arranged in the upper sewage cylinder, and the top of the stirring rod is connected to a turntable and an adjusting component. Through the cooperation of the pressurizing component and the medicine storage cavity, the medicine and air can be transported to the bottom end of the stirring rod through the fixed pipe and the medicine discharging port. At the same time, the stirring rod rotates driven by the power component, promoting the full mixing of the medicine and the sewage, greatly improving the sewage treatment effect, reducing the waste of medicine, and at the same time, adding medicine and pumping oxygen do not require additional power energy, which improves the energy utilization efficiency of the equipment as a whole and practices the energy-saving concept; In this energy-saving sewage treatment device, a slag discharging groove is arranged on the inner wall of the upper sewage cylinder and is communicated with the lower sewage cylinder through a bent pipe. A slag discharging pipe is arranged at the right end of the lower sewage cylinder, and a spiral conveyor is installed inside and driven by a motor, which can timely discharge the impurities in the sewage, prevent the accumulation of impurities from affecting the operation of the equipment, and reduce the maintenance cost. A detachable filter layer is arranged between the upper sewage cylinder and the outer cylinder, and a filter cylinder is arranged inside the lower sewage cylinder, which can filter the sewage at multiple levels, greatly improving the sewage purification effect. Moreover, the filter layer is detachable, which is convenient for cleaning and replacement to ensure the continuous and high efficiency of filtration; In this energy-saving sewage treatment device, the adjusting component includes a slideway, a slider and a positioning rod, which can flexibly adjust the position of the power rod according to the actual sewage treatment requirements, and then control the working state of the pressurizing component to adapt to different sewage treatment scenarios. There are two compression cavities in the compression cylinder of the pressurizing component, which are connected to the power rod through a piston rod, and the stable transportation of the medicine is realized by using the fixed pipe and the auxiliary pipe; In this energy-saving sewage treatment device, the power component uses an electric motor to drive a driving rod, and the synchronous rotation of the stirring rod and the filter cylinder is realized through belt connection. The structure is simple, energy-saving and efficient, ensuring the stable operation of the equipment. In addition, guide rods are arranged on the inner wall of the filter cylinder, which can transport the filtered impurities to the part of the spiral conveyor for convenient discharge of the impurities; In this energy-saving sewage treatment device, the combined design of the collar, positioning shaft, spring and cross bar of the cleaning component enables the scraper on the cross bar to effectively clean the filter layer and the inner and outer walls of the outer cylinder when the stirring rod rotates, preventing the attachment of impurities and ensuring the stability of the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a three-dimensional structural schematic diagram of the present invention; Figure 2 Schematic diagram of the structure of another perspective of the present invention; Figure 3 Schematic cross-sectional view of the present invention; Figure 4 Schematic cross-sectional view of the upper sewage cylinder of the present invention; Figure 5 Schematic diagram of the filter cartridge structure of the present invention; Figure 6 Schematic diagram of the screw conveyor rod structure of the present invention; Figure 7 Schematic cross-sectional view of the compression cylinder of the present invention; Figure 8 For the present invention Figure 3 Enlarged schematic diagram of the structure at position A in the present invention.

[0010] Among them, 1. upper sewage cylinder; 2. lower sewage cylinder; 3. support column; 4. outer cylinder; 5. stirring rod; 6. inner cylinder; 7. turntable; 8. medicine storage cavity; 9. fixed pipe; 10. medicine discharge port; 11. filter layer; 12. slag discharge groove; 13. filter cartridge; 14. elbow pipe; 15. slag discharge pipe; 16. motor; 17. screw conveyor rod; 18. water storage cavity; 19. cavity; 20. slideway; 21. slider; 22. positioning rod; 23. power rod; 24. compression cylinder; 25. first compression cavity; 26. second compression cavity; 27. piston rod; 28. motor; 29. first driving rod; 30. second driving rod; 31. belt; 32. diversion rod; 33. auxiliary pipe; 34. first one-way valve; 35. second one-way valve; 36. collar; 37. positioning shaft; 38. spring; 39. cross bar; 40. scraper; 41. groove; 42. limiting plate; 43. baffle plate. Specific embodiments

[0011] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0012] Please refer to Figures 1 to 8 , the present invention provides an energy-saving sewage treatment device; including an upper sewage cylinder 1, a lower sewage cylinder 2 and a support column 3. The upper sewage cylinder 1 is arranged at the top of the left end of the lower sewage cylinder 2 and is in communication with its interior. The support column 3 is fixedly connected to the bottom of the upper sewage cylinder 1.

[0013] Inside the upper sewage cylinder 1, there is an outer cylinder 4. Inside the outer cylinder 4, a stirring rod 5 is rotatably connected. On the outer wall of the top end of the stirring rod 5, there is a cleaning part. At the bottom of the cleaning part and around the circumference of the stirring rod 5, there is an inner cylinder 6. The top end of the stirring rod 5 is fixedly connected to a turntable 7. On the upper surface of the turntable 7, there is an adjusting part. The adjusting part includes a slideway 20 provided on the upper surface of the turntable 7, a slider 21 provided inside the slideway 20, and a positioning rod 22 threadedly connected to the top of the slider 21. A power rod 23 is sleeved on the surface of the slider 21; The slider 21 can slide left and right inside the slideway 20. By rotating the positioning rod 22 so that its bottom end abuts against the inner bottom wall of the slideway 20 for fixation, it is convenient to adjust the pressure applied to the inside of the medicine storage cavity 8 by the pressurizing component and the amount of pumped air according to the pollution situation of the sewage, so as to adjust the amount of liquid medicine and the discharge amount of air.

[0014] Inside the convex block of the upper sewage cylinder 1, there is a medicine storage cavity 8. On the top of the upper sewage cylinder 1, there is a pressurizing component. The output end of the pressurizing component is connected to the adjusting part and is used in cooperation with the medicine storage cavity 8. On the outer wall of the top of the stirring rod 5, there is a fixed pipe 9, and the other end of the fixed pipe 9 is connected to the pressurizing component and the medicine storage cavity 8. On the outer wall of the bottom end of the stirring rod 5, there is a medicine discharge port 10. Inside the lower sewage cylinder 2, there is a filter cylinder 13. On the surface of the support column 3, there is a power component for driving the stirring rod 5 and the filter cylinder 13 to rotate.

[0015] The fixed pipe 9 also includes a fixing ring (shown in the figure, not labeled) sleeved on the surface of the stirring rod 5. In order to increase the sealing performance between the fixing ring and the stirring rod 5, an annular sealing gasket is provided at the contact part between the fixing ring and the stirring rod 5, which can not only ensure the rotation of the stirring rod 5 but also increase the sealing performance with the fixed pipe 9.

[0016] As Figures 3 - 4 shown, after the sewage enters the inside of the outer cylinder 4, with the cooperation of the stirring rod 5, the sewage can enter the inside of the inner cylinder 6 and continuously surge upward. In this way, the discharged medicine (flocculant), air and sewage can be fully mixed, and it is convenient for quantitative dosing, greatly improving the sewage treatment effect, reducing medicine waste, and improving the energy utilization efficiency of the equipment; A detachable filter layer 11 is provided between the upper sewage cylinder 1 and the outer cylinder 4. A slag discharge groove 12 is formed on the inner wall of the upper sewage cylinder 1. The bottom of the outer wall of the upper sewage cylinder 1 is fixedly connected with an elbow pipe 14, the bottom end of which is fixedly connected to the upper surface of the right end of the lower sewage cylinder 2 and is communicated with the slag discharge groove 12 and the lower sewage cylinder 2. A slag discharge pipe 15 is fixedly connected to the right end of the lower sewage cylinder 2. A motor 16 is fixedly connected to the back of the lower sewage cylinder 2. The output end of the motor 16 extends into the lower sewage cylinder 2 and is fixedly connected with a screw conveyor 17. The end of the screw conveyor 17 extending deep into the lower sewage cylinder 2 is arranged at the right end of the filter cylinder 13. Starting the motor 16 can drive the screw conveyor 17 to rotate, and the impurities filtered by the filter layer 11 and the filter cylinder 13 can be discharged from the inside of the equipment to avoid accumulation.

[0017] A hollow cavity is provided at the connection part between the upper sewage cylinder 1 and the lower sewage cylinder 2. When the water source inside the outer cylinder 4 overflows, it can enter the inside of the lower sewage cylinder 2 from the hollow cavity. When sewage is continuously injected into the inside of the outer cylinder 4 and gushes out through the inner cylinder 6, it flows between the outer cylinder 4 and the inner cylinder 6 and then overflows from the outer cylinder 4. The sewage enters the inside of the lower sewage cylinder 2 after being filtered by the filter layer 11, and after passing through the filter cylinder 13, it enters the water storage cavity 18 at the bottom of the lower sewage cylinder 2 for storage. A cavity 19 communicated with the filter cylinder 13 is provided on the inner top wall of the water storage cavity 18. A drain pipe is provided on the side surface of the right end of the lower sewage cylinder 2, and a valve is provided on the surface of the drain pipe. Through the valve, the treated water source can be discharged.

[0018] The pressurizing assembly includes a compression cylinder 24 provided on the top of the upper sewage cylinder 1, a first compression cavity 25 and a second compression cavity 26 provided inside the compression cylinder 24, and a piston rod 27 provided inside the first compression cavity 25 and the second compression cavity 26. One end of the piston rod 27 away from the compression cylinder 24 is connected to one end of the power rod 23 through a pin. One end of the fixed pipe 9 away from the stirring rod 5 penetrates through the upper sewage cylinder 1 and the medicine storage cavity 8 and is fixedly connected to the right end of the compression cylinder 24 and is communicated with the second compression cavity 26. The fixed pipe 9 is communicated with the medicine discharge port 10 through the conveying cavity inside the stirring rod 5. The branched part of the fixed pipe 9 extends into the inside of the medicine storage cavity 8. A auxiliary pipe 33 is fixedly connected to the right end of the compression cylinder 24 and is communicated with the first compression cavity 25. The other end of the auxiliary pipe 33 is fixedly connected to the outer wall of the upper sewage cylinder 1 and is communicated with the medicine storage cavity 8.

[0019] An air inlet hole is provided at the left end of the compression cylinder 24. A first one-way valve 34 is provided inside the fixed pipe 9 and the auxiliary pipe 33 near one end of the compression cylinder 24. A second one-way valve 35 is provided on the side wall at the right end of the compression cylinder 24. The power assembly includes a motor 28 provided on the support platform of the support column 3, a first drive rod 29 provided at the output end of the motor 28, a second drive rod 30 provided on the outer wall at the bottom end of the upper sewage cylinder 1, and a belt 31 wound around the surfaces of the first drive rod 29 and the second drive rod 30. The other end of the first drive rod 29 extends into the interior of the lower sewage cylinder 2 and is meshed and connected with the tooth pattern on the surface of the filter cylinder 13. One end of the second drive rod 30 extending into the upper sewage cylinder 1 is meshed and connected with the bottom end of the stirring rod 5.

[0020] Starting the motor 28 can drive the first drive rod 29 to rotate. Since one end of the first drive rod 29 is meshed and connected with the filter cylinder 13 through a spur gear, it synchronously drives the filter cylinder 13 to rotate. With the cooperation of the belt 31, it synchronously drives the second drive rod 30, the stirring rod 5 and the turntable 7 to rotate; When the stirring rod 5 drives the turntable 7 to rotate, with the cooperation of the power rod 23 and the piston rod 27, through the first compression chamber 25 and the auxiliary pipe 33, the interior of the medicine storage chamber 8 can be pressurized, and the liquid medicine is discharged from the branched part of the fixed pipe 9. After passing through the cavity inside the stirring rod 5, it is discharged from the medicine discharge port 10; Through the second compression chamber 26 and the fixed pipe 9, the outside air can be pumped to the position of the medicine discharge port 10, which not only reduces the problem of liquid medicine remaining in the cavity inside the stirring rod 5, but also facilitates pumping oxygen into the sewage; On the one hand, the air provides sufficient oxygen for aerobic microorganisms, accelerating the decomposition of organic matter by microorganisms; on the other hand, the full contact between the medicine and the sewage improves the chemical treatment effect. The two work together to effectively improve the quality of sewage treatment.

[0021] The inner wall of the filter cylinder 13 is provided with a guide rod 32. At the part where the right end of the filter cylinder 13 contacts the inner wall of the lower sewage cylinder 2, there are ball bearings, which can reduce the resistance when the filter cylinder 13 rotates and improve the filtering efficiency. The bottom of the side plate of the lower sewage cylinder 2 is fixedly connected with a support leg, which can support the equipment and maintain the stability of the equipment during use. The cleaning part includes a collar 36 provided on the outer wall at the top of the stirring rod 5, a positioning shaft 37 inserted on the outer wall of the collar 36, a spring 38 provided on the surface of the positioning shaft 37, and a cross bar 39 fixedly connected to the outer wall of the collar 36. The left end of the cross bar 39 abuts against the inner wall of the outer cylinder 4, and the right end abuts against the outer wall of the outer cylinder 4, and a scraper 40 is provided at the abutting part; The cross bar 39 also includes a cleaning plate (as shown in the appendix Figure 3 and 4 ) whose bottom end at the right end abuts against the filter layer 11. When it rotates, it can also clean the impurities on the surface of the filter layer 11, avoid blockage, and improve the sewage treatment efficiency.

[0022] A groove 41 adapted to the positioning shaft 37 is provided on the outer wall of the top end of the stirring rod 5. A limiting plate 42 is fixedly connected to the upper surface of the left end of the cross bar 39. A baffle plate 43 is fixedly connected to the left end of the positioning shaft 37 and is used in cooperation with the limiting plate 42.

[0023] When the positioning shaft 37 disengages from the inside of the groove 41, it can be fixed by buckling the baffle plate 43 into the card slot on the side of the limiting plate 42. At this time, when the stirring rod 5 rotates, the scraping plate 40 will not rotate with the stirring rod 5. When the positioning shaft 37 extends into the inside of the groove 41, the stirring rod 5 drives the cross bar 39 and the scraping plate 40 to rotate. Since the scraping plate 40 abuts against the inner and outer walls of the outer cylinder 4, it is convenient to clean the inner and outer walls of the outer cylinder 4, improving the efficiency of subsequent water quality treatment.

[0024] All the electrical components mentioned in this article are electrically connected to the external main controller and 220V mains power, and the main controller can be a conventional known device such as a computer for control.

[0025] In the present invention, the working steps of the device are as follows: During use, one end of the sewage discharge pipe is inserted into the inside of the outer cylinder 4. The baffle plate 43 is buckled into the card slot on the side of the limiting plate 42. The motor 28 is started to drive the stirring rod 5 to rotate. With the cooperation of the turntable 7, the pressurizing assembly, the fixed pipe 9 and the medicine storage cavity 8, the liquid medicine and air are discharged from the bottom end of the stirring rod 5, so that the liquid medicine and the sewage are fully mixed, accelerating the decomposition of organic matter by microorganisms, thereby improving the treatment effect of the sewage. By rotating the stirring rod 5, the sewage can continuously surge upward until it overflows. After being filtered by the filter layer 11, it enters the inside of the lower sewage cylinder 2, and then is filtered by the filter cylinder 13. The filtered water source flows into the inside of the water storage cavity 18 for storage. When the water source needs to be discharged, just open the valve. When cleaning the filter layer 11, the baffle plate 43 is removed from the card slot on the side of the limiting plate 42 (since a spring 38 is sleeved on the surface of the positioning shaft 37, it can be adjusted by pulling). At this time, when the stirring rod 5 rotates, it drives the scraping plates 40 at both ends of the cross bar 39 to rotate, so as to clean the filter layer 11 and the outer cylinder 4. At this time, the cleaned impurities fall on the part of the screw conveyor 17 through the slag discharge groove 12 and the elbow 14. At the same time, the impurities filtered by the filter cylinder 13 are also discharged into this part. Then the motor 16 is started to drive the screw conveyor 17 to discharge the filtered impurities from the inside of the device.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Energy-saving sewage treatment device, characterized by: It comprises an upper sewage barrel (1), a lower sewage barrel (2) and a support column (3), wherein the upper sewage barrel (1) is arranged at the top of the left end of the lower sewage barrel (2) and is in communication with the interior thereof, and the support column (3) is fixedly connected to the bottom of the upper sewage barrel (1); An outer cylinder (4) is provided inside the upper sewage cylinder (1), a stirring rod (5) is rotatably connected inside the outer cylinder (4), a cleaning piece is provided on the outer wall of the top end of the stirring rod (5), an inner cylinder (6) is provided at the bottom of the cleaning piece and located on the circumference of the stirring rod (5), a rotating disk (7) is fixedly connected to the top end of the stirring rod (5), and an adjusting piece is provided on the upper surface of the rotating disk (7); A medicine storage chamber (8) is provided inside the protrusion of the upper sewage barrel (1), and a pressurizing assembly is provided on the top of the upper sewage barrel (1). The output end of the pressurizing assembly is connected to the regulating member and is used in conjunction with the medicine storage chamber (8). A fixed tube (9) is provided on the outer wall of the top of the stirring rod (5), and the other end of the fixed tube (9) is connected to the pressurizing assembly and the medicine storage chamber (8). A medicine discharge port (10) is provided on the outer wall of the bottom end of the stirring rod (5). A filter cartridge (13) is provided inside the lower sewage barrel (2), and a power assembly for driving the stirring rod (5) and the filter cartridge (13) to rotate is provided on the surface of the support (3).

2. The energy-saving sewage treatment device according to claim 1 is characterized in that: A detachable filter layer (11) is provided between the upper sewage cylinder (1) and the outer cylinder (4), a slag discharge groove (12) is provided on the inner wall of the upper sewage cylinder (1), and a curved pipe (14) is fixedly connected to the bottom of the outer wall of the upper sewage cylinder (1), the bottom end of which is fixedly connected to the upper surface of the right end of the lower sewage cylinder (2) and is in communication with the slag discharge groove (12) and the lower sewage cylinder (2).

3. The energy-saving sewage treatment device according to claim 2 is characterized in that: The right end of the lower sewage barrel (2) is fixedly connected to a slag discharge pipe (15), and the back of the lower sewage barrel (2) is fixedly connected to a motor (16), the output end of the motor (16) extends into the interior of the lower sewage barrel (2) and is fixedly connected to a spiral conveying rod (17), and one end of the spiral conveying rod (17) that penetrates into the interior of the lower sewage barrel (2) is arranged at the right end of the filter cartridge (13).

4. The energy-saving sewage treatment device according to claim 3 is characterized in that: A water storage chamber (18) is provided at the bottom of the lower sewage barrel (2), a cavity (19) communicating with the filter barrel (13) is provided on the inner top wall of the water storage chamber (18), a drainage pipe is provided on the side surface of the right end of the lower sewage barrel (2), and a valve is provided on the surface of the drainage pipe.

5. The energy-saving sewage treatment device according to claim 1 is characterized in that: The adjusting member comprises a slideway (20) arranged on the upper surface of the rotating disk (7), a slider (21) arranged inside the slideway (20), and a positioning rod (22) threadedly connected to the top of the slider (21); a power rod (23) is sleeved on the surface of the slider (21).

6. The energy-saving sewage treatment device according to claim 5 is characterized in that: The pressurizing assembly comprises a compression cylinder (24) disposed at the top of the upper sewage cylinder (1), a compression chamber 1 (25) and a compression chamber 2 (26) disposed inside the compression cylinder (24), and a piston rod (27) disposed inside the compression chamber 1 (25) and the compression chamber 2 (26), wherein one end of the piston rod (27) away from the compression cylinder (24) is connected to one end of the power rod (23) via a pin; One end of the fixed pipe (9) away from the stirring rod (5) passes through the upper sewage cylinder (1) and the medicine storage chamber (8), is fixedly connected to the right end of the compression cylinder (24), and is communicated with the second compression chamber (26); the fixed pipe (9) is communicated with the medicine discharge port (10) through the conveying chamber inside the stirring rod (5); the branch pipe portion of the fixed pipe (9) extends to the inside of the medicine storage chamber (8); the right end of the compression cylinder (24) is fixedly connected to an auxiliary pipe (33) and is communicated with the first compression chamber (25); the other end of the auxiliary pipe (33) is fixedly connected to the outer wall of the upper sewage cylinder (1) and is communicated with the medicine storage chamber (8).

7. The energy-saving sewage treatment device according to claim 6 is characterized in that: An air inlet hole is provided at the left end of the compression cylinder (24), a first one-way valve (34) is provided inside the fixed tube (9) and the auxiliary tube (33) near one end of the compression cylinder (24), and a second one-way valve (35) is provided on the side wall of the right end of the compression cylinder (24).

8. The energy-saving sewage treatment device according to claim 1 is characterized in that: The power assembly comprises a motor (28) arranged on a support platform of a support column (3), a driving rod 1 (29) arranged at the output end of the motor (28), a driving rod 2 (30) arranged on the outer wall of the bottom end of the upper sewage barrel (1), and a belt (31) wound around the surfaces of the driving rod 1 (29) and the driving rod 2 (30), the other end of the driving rod 1 (29) extending to the interior of the lower sewage barrel (2) and meshingly connected with the tooth pattern on the surface of the filter barrel (13), and the end of the driving rod 2 (30) extending to the interior of the upper sewage barrel (1) is meshingly connected with the bottom end of the stirring rod (5).

9. The energy-saving sewage treatment device according to claim 8 is characterized in that: The inner wall of the filter cartridge (13) is provided with a flow guide rod (32), the right end of the filter cartridge (13) is provided with a ball bearing at a position where it contacts the inner wall of the lower sewage cartridge (2), and the bottom of the side plate of the lower sewage cartridge (2) is fixedly connected with a support leg.

10. The energy-saving sewage treatment device according to claim 1 is characterized in that: The cleaning member comprises a collar (36) arranged on the outer wall of the top of the stirring rod (5), a positioning shaft (37) inserted into the outer wall of the collar (36), a spring (38) arranged on the surface of the positioning shaft (37), and a cross bar (39) fixedly connected to the outer wall of the collar (36), the left end of the cross bar (39) abutting against the inner wall of the outer cylinder (4), the right end abutting against the outer wall of the outer cylinder (4), and a scraper (40) is provided at the abutting position; The outer wall of the top end of the stirring rod (5) is provided with a groove (41) adapted to the positioning shaft (37); the upper surface of the left end of the crossbar (39) is fixedly connected to a limiting plate (42); the left end of the positioning shaft (37) is fixedly connected to a baffle (43) for use in conjunction with the limiting plate (42).

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