Environment-friendly sewage treatment device and method

Abstract

The invention relates to the technical field of sewage treatment, in particular to an environment-friendly sewage treatment device and method.The environment-friendly sewage treatment device comprises a box, a first-stage filter plate, a first collecting funnel, a second-stage filter cartridge, a second collecting funnel, a transverse driving unit and a hair cutting assembly.The sewage is collected through the first collecting funnel and completely flows into the second-stage filter cartridge; fine impurities and foreign matters are further filtered through a plurality of filter tanks; the sewage subjected to secondary filtration is collected by a second collecting funnel and then is intensively discharged; after long-time filtration, a large amount of hair is wound on the secondary filter cartridge; the transverse driving unit is started to drive the blade to move to the outside of the secondary filter cartridge; the rotating unit is started to drive the blade to rotate to cut hair; when the hair and unknown thread bodies are cut, the blade is moved away, sewage treatment is continued, and therefore the blade can be inserted into the filtering groove, or the blade is attached to the outer wall of the second-stage filtering cylinder and rapidly rotates, and then the hair and unknown thread bodies are effectively cut.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, and in particular to an environmentally friendly sewage treatment device and method. Background Art

[0002] Currently, in sewage treatment, there are organic matter in sewage. If it is discharged directly, it will pollute the water quality. Therefore, in order to ensure environmental protection, when discharging sewage, it is usually necessary to transport the sewage to a sewage treatment device and then discharge it after treatment. In the sewage treatment device, filter plates and filter membranes are used to filter impurities and organic matter in the sewage. However, after long-term use, the filter net and filter membrane will accumulate impurities and cause blockage, which requires staff to clean regularly.

[0003] In the prior art, a brush or a scraper is arranged on one side of the filter screen. After the filter screen has been used for a period of time, the brush or the scraper is driven to clean and scrape off the impurities accumulated on the filter screen so that the filter screen can continue to be used.

[0004] However, in the aforementioned prior art, there are usually hair and unknown wires in the sewage, which are very easy to be entangled in the filter net. After the hair and unknown wires are entangled, they will become tighter and tighter with the impact of the water flow. Therefore, they cannot be effectively cleaned by just relying on a brush. If this continues for a long time, the filter net will be blocked, affecting the impurity filtering effect of the sewage. Summary of the invention

[0005] The purpose of the present invention is to provide an environmentally friendly sewage treatment device and method to solve the problem in the prior art that hair and unknown wires are usually present in sewage and are very easy to be entangled on the filter net. After the hair and unknown wires are entangled, they will become tighter and tighter with the impact of water flow. Therefore, they cannot be effectively cleaned by relying solely on a brush. If this continues for a long time, the filter net will be blocked, affecting the impurity filtering effect of the sewage.

[0006] To achieve the above-mentioned object, the present invention provides an environmentally friendly sewage treatment device, comprising a housing, a primary filter plate, a first collecting funnel, a secondary filter cartridge, a second collecting funnel, a transverse driving unit and a hair cutting assembly, wherein the primary filter plate is bolted to the housing, the first collecting funnel is arranged inside the housing and below the primary filter plate, the secondary filter cartridge is detachably connected to the first collecting funnel, the second collecting funnel is arranged on the inner bottom wall of the housing, the transverse driving unit is arranged on the housing, and the secondary filter cartridge has a plurality of filter slots;

[0007] The hair cutting assembly comprises a plurality of blades and a rotating unit. The plurality of blades are sequentially arranged on the rotating unit. The blades are adapted to any of the filter slots. The rotating unit is arranged on the transverse driving unit.

[0008] Among them, the hair cutting assembly also includes multiple sealing rings, a supporting shell, two cameras, two blade adjustment units and multiple blade limiting units. The supporting shell is sleeved on the outside of the secondary filter cartridge, and the multiple sealing rings are fixedly connected to the inner wall of the supporting shell and are respectively sleeved on the outer walls of the corresponding blades. The two cameras are sequentially arranged above the supporting shell, the two blade adjustment units are sequentially arranged inside the supporting shell, and the multiple blade limiting units are respectively arranged on the corresponding blade adjustment units.

[0009] In which, the blade adjustment unit includes a blade support plate, a plurality of inclined blocks, an inclined block support plate, a plurality of first cylinders and a plurality of return springs, the blade support plate is fixedly connected to the plurality of blades, the support shell has a groove, the blade support plate is located inside the groove, the plurality of inclined blocks are adapted to the blade support plate, the inclined block support plate is fixedly connected to the plurality of inclined blocks, the plurality of first cylinders are arranged on the inner side wall of the groove, the output ends of the plurality of first cylinders are fixedly connected to the inclined block support plate, and the two ends of the plurality of return springs are movably connected to the inclined block support plate and the inner side wall of the groove respectively.

[0010] Among them, the blade limiting unit includes a second cylinder, a moving block, a fixed block and two limiting blocks, the second cylinder is fixedly connected to the inner wall of the groove, the output end of the second cylinder is fixedly connected to the moving block, the fixed block is fixedly connected to one side of the blade support plate, the two limiting blocks are sequentially arranged on one side of the fixed block, the moving block has a plurality of limiting grooves, and the two limiting blocks are mutually adapted to any of the limiting grooves.

[0011] Among them, the lateral driving unit includes two electric slide rails, a bracket, a placement shell and a door panel, the two electric slide rails are symmetrically arranged inside the box, the two ends of the bracket are respectively arranged at the output ends of the corresponding electric slide rails, the placement shell is connected to the box and is located on one side of the box, and the door panel is rotatably connected to the placement shell.

[0012] Among them, the rotating unit includes a motor, an annular plate, a base and a plurality of lifting cylinders, the motor is fixedly connected to the bracket and is located below the bracket, the output end of the motor passes through the bracket and is fixedly connected to the base, one end of the annular plate is fixedly connected to the bracket, and the other end of the annular plate is rotatably connected to the base, and the plurality of lifting cylinders are sequentially arranged above the base, and the output ends of the plurality of lifting cylinders are all fixedly connected to the support shell.

[0013] Wherein, the hair cutting assembly further comprises a collecting unit, and the collecting unit is arranged on the supporting shell;

[0014] The collecting unit includes a sealing plate, a limiting cover, a third cylinder, a collecting box and a water inlet pipe. The sealing plate is rotatably connected to the supporting shell by a hinge and is located below the supporting shell. The limiting cover is fixedly connected to the supporting shell and is located below the sealing plate. The third cylinder is rotatably connected to the bottom of the supporting shell. The output end of the third cylinder is rotatably connected to the sealing plate. The collecting box is placed above the base, and one end of the water inlet pipe passes through the box body and the first collecting funnel in sequence.

[0015] The present invention also provides an environmentally friendly sewage treatment method, which uses the environmentally friendly sewage treatment device described above and includes the following steps:

[0016] The sewage flows into the tank from the top and passes through the primary filter plate to filter out large particles of impurities and foreign matter;

[0017] Then the sewage is collected by the first collecting funnel and all flows into the interior of the secondary filter cartridge, passing through a plurality of the filter tanks to further filter out fine impurities and foreign matter;

[0018] The sewage after secondary filtration is collected by the second collecting funnel and then discharged in a centralized manner;

[0019] Install filter membrane and activated carbon filter layer outside the box to remove organic matter and odor from the discharged sewage;

[0020] After a long period of filtration, a lot of hair will be entangled on the secondary filter cartridge;

[0021] Starting the transverse drive unit to drive the blade to move to the outside of the secondary filter cylinder;

[0022] Starting the rotating unit to drive the blade to rotate and cut the hair;

[0023] The blade is removed and sewage treatment is continued.

[0024] The present invention discloses an environmentally friendly sewage treatment device and method, wherein sewage flows in from the top of the housing, passes through the primary filter plate, and filters large particles of impurities and foreign matter; then the sewage is collected by the first collecting funnel, all flows into the interior of the secondary filter cartridge, passes through a plurality of filter slots, and further filters fine impurities and foreign matter; the sewage after secondary filtration is collected by the second collecting funnel and discharged in a centralized manner; at the same time, a filter membrane and an activated carbon filter layer are installed outside the housing to remove organic matter and odor from the discharged sewage; after long-term filtration, a large amount of hair will be entangled on the secondary filter cartridge; at this time, the transverse drive unit is started to drive the blade to move to the outside of the secondary filter cartridge; then the rotating unit is started to drive the blade to rotate and cut the hair; then the blade is removed to continue sewage treatment, and through the above-mentioned structural setting, the blade can be inserted into the filter slot, or the blade can be attached to the outer wall of the secondary filter cartridge and rotated rapidly, thereby effectively cutting the hair and unknown wire bodies, avoiding clogging the secondary filter cartridge, and ensuring smooth sewage filtration. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0027] Figure 2 It is a cross-sectional view of the whole of the present invention.

[0028] Figure 3 The present invention Figure 2 AA line section view.

[0029] Figure 4 The present invention Figure 2 BB line cross-sectional view.

[0030] Figure 5 It is a structural schematic diagram of the rotating unit of the present invention.

[0031] Figure 6 It is a structural schematic diagram of the blade adjustment unit of the present invention.

[0032] Figure 7 The present invention Figure 2 Enlarged view of the local structure at location C.

[0033] Figure 8 The present invention Figure 3 Enlarged view of the local structure at D.

[0034] Fig. 9It is a flow chart of the steps of the environmentally friendly sewage treatment method of the present invention.

[0035] 1-box, 2-primary filter plate, 3-first collecting funnel, 4-secondary filter cartridge, 5-second collecting funnel, 6-filter tank, 7-blade, 8-sealing ring, 9-support shell, 10-camera, 11-blade support plate, 12-oblique block, 13-oblique block support plate, 14-first cylinder, 15-reset spring, 16-groove, 17-second cylinder, 18-moving block, 19-fixed block, 20-limiting block, 21-limiting groove, 22-electric slide rail, 23-bracket, 24-placement shell, 25-door panel, 26-motor, 27-ring plate, 28-base, 29-lifting cylinder, 30-sealing plate, 31-limiting cover, 32-third cylinder, 33-collection box, 34-water inlet pipe. DETAILED DESCRIPTION

[0036] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0037] See also Figures 1 to 8 The present invention provides an environmentally friendly sewage treatment device, comprising a box body 1, a primary filter plate 2, a first collecting funnel 3, a secondary filter cartridge 4, a second collecting funnel 5, a lateral drive unit and a hair cutting assembly, wherein the hair cutting assembly further comprises a plurality of sealing rings 8, a support shell 9, two cameras 10, two blade 7 adjustment units and a plurality of blade 7 limiting units, wherein the blade 7 adjustment unit comprises a blade support plate 11, a plurality of inclined blocks 12, an inclined block support plate 13, a plurality of first cylinders 14 and a plurality of return springs 15, wherein the blade 7 limiting unit comprises a second cylinder 17, a moving block 18, a fixed block 19 and two limiting blocks 20, wherein the lateral drive unit comprises two electric slide rails 22, a bracket 23, a placement shell 24 and a door plate 25, wherein the rotating unit comprises a motor 26, an annular plate 27, a base 28 and a plurality of lifting cylinders 29, wherein the hair cutting assembly further comprises a collecting unit, wherein the collecting unit comprises a sealing plate 30, a limiting cover 31, a third cylinder 32, a collecting box 33 and a water inlet pipe 34.

[0038] Among them, the primary filter plate 2 is bolted to the box body 1, the first collecting funnel 3 is arranged inside the box body 1 and is located below the primary filter plate 2, the secondary filter cartridge 4 is detachably connected to the first collecting funnel 3, the second collecting funnel 5 is arranged on the inner bottom wall of the box body 1, the transverse driving unit is arranged on the box body 1, the secondary filter cartridge 4 has a plurality of filter slots 6, and a plurality of blades 7 are arranged on the rotating unit in sequence, the blade 7 is adapted to any of the filter slots 6, and the rotating unit is arranged on the transverse driving unit. The sewage flows in from the top of the housing 1, passes through the primary filter plate 2, and filters out large particles of impurities and foreign matter; then the sewage is collected by the first collecting funnel 3, all flows into the interior of the secondary filter cartridge 4, passes through a plurality of filter slots 6, and further filters out fine impurities and foreign matter; the sewage after secondary filtration is collected by the second collecting funnel 5 and then discharged in a centralized manner; a filter membrane and an activated carbon filter layer are installed on the outside of the housing 1 to remove organic matter and odor from the discharged sewage; after long-term filtration, a large amount of hair will be entangled on the secondary filter cartridge 4; the transverse drive unit is started to drive the blade 7 to move to the outside of the secondary filter cartridge 4; the rotating unit is started to drive the blade 7 to rotate to cut the hair; the blade 7 is removed to continue sewage treatment.

[0039] Secondly, the support shell 9 is sleeved on the outside of the secondary filter cartridge 4, and the plurality of sealing rings 8 are fixedly connected to the inner wall of the support shell 9 and sleeved on the outer wall of the corresponding blade 7, two cameras 10 are sequentially arranged above the support shell 9, two blade 7 adjustment units are sequentially arranged inside the support shell 9, and a plurality of blade 7 limiting units are respectively arranged on the corresponding blade 7 adjustment units. The sealing ring 8 seals the gap between the blade 7 and the support shell 9 to prevent foreign matter or sewage from entering the groove 16, and the support shell 9 supports the plurality of blades 7. When the support shell 9 rotates, the blade 7 is driven to rotate, and the camera 10 can shoot the position of the blade 7, and then transmit the information to the upper computer, and remotely control the movement of the blade 7 to adjust the distance from the secondary filter cartridge 4, so as to better perform hair cutting, and the blade 7 adjustment unit can adjust the distance between the blade 7 and the secondary filter cartridge 4, so that the blade 7 is fully in contact with the hair, and the blade 7 limiting unit can limit the blade 7 after adjusting the position, so as to improve stability.

[0040] At the same time, the blade support plate 11 is fixedly connected to the multiple blades 7, the support shell 9 has a groove 16, the blade support plate 11 is located inside the groove 16, the multiple inclined blocks 12 are adapted to each other with the blade support plate 11, the inclined block support plate 13 is fixedly connected to the multiple inclined blocks 12, the multiple first cylinders 14 are arranged on the inner side wall of the groove 16, the output ends of the multiple first cylinders 14 are fixedly connected to the inclined block support plate 13, and the two ends of the multiple reset springs 15 are movably connected to the inclined block support plate 13 and the inner side wall of the groove 16 respectively. The blade support plate 11 connects the multiple blades 7 as a whole. The first cylinder 14 is started, driving the inclined block support plate 13 to move, so that the multiple inclined blocks 12 push the blade support plate 11 to move, and then push the multiple blades 7 out of the groove 16 to adjust the position of the blade 7. When the blade 7 needs to be retracted, the first cylinder 14 contracts to reset the inclined block 12. At this time, the reset spring 15 rebounds, driving the blade 7 to reset and retract into the groove 16.

[0041] In addition, the second cylinder 17 is fixedly connected to the inner wall of the groove 16, the output end of the second cylinder 17 is fixedly connected to the moving block 18, the fixed block 19 is fixedly connected to one side of the blade support plate 11, and the two limiting blocks 20 are sequentially arranged on one side of the fixed block 19, the moving block 18 has a plurality of limiting grooves 21, and the two limiting blocks 20 are mutually adapted to any of the limiting grooves 21. When the second cylinder 17 is started, the moving block 18 is driven to approach the fixed block 19, so that the limiting block 20 enters the limiting groove 21, and then limits the blade 7. When the blade 7 needs to move, the moving block 18 is away from the fixed block 19, so that the limiting block 20 is separated from the limiting groove 21.

[0042] Then, the two electric slide rails 22 are symmetrically arranged inside the box 1, the two ends of the bracket 23 are respectively arranged at the output ends of the corresponding electric slide rails 22, the placement shell 24 is connected with the box 1 and is located on one side of the box 1, and the door panel 25 is rotatably connected with the placement shell 24. The electric slide rail 22 is started, driving the bracket 23 to move, so that the support shell 9 body moves horizontally to the bottom of the secondary filter cartridge 4; when the sewage is filtered, the support shell 9 body is parked inside the placement shell 24, and the internal parts can be checked and maintained by opening the door panel 25.

[0043] Again, the motor 26 is fixedly connected to the bracket 23 and is located below the bracket 23. The output end of the motor 26 passes through the bracket 23 and is fixedly connected to the base 28. One end of the annular plate 27 is fixedly connected to the bracket 23, and the other end of the annular plate 27 is rotatably connected to the base 28. A plurality of lifting cylinders 29 are sequentially arranged above the base 28, and the output ends of the plurality of lifting cylinders 29 are fixedly connected to the support shell 9. When the motor 26 is started, the base 28 is driven to rotate, and at the same time, the annular plate 27 rotates on the base 28 to maintain stability. When the lifting cylinder 29 is started, the support shell 9 is driven to move upward, so that the secondary filter cartridge 4 enters the interior of the support shell 9.

[0044] Finally, the collection unit is arranged on the support shell 9; the sealing plate 30 is rotatably connected to the support shell 9 through a hinge and is located below the support shell 9; the limiting cover 31 is fixedly connected to the support shell 9 and is located below the sealing plate 30; the third cylinder 32 is rotatably connected to the bottom of the support shell 9; the output end of the third cylinder 32 is rotatably connected to the sealing plate 30; the collection box 33 is placed above the base 28; one end of the water inlet pipe 34 passes through the box body 1 and the first collection funnel 3 in sequence. After cutting, the third cylinder 32 is started, driving the sealing plate 30 to rotate, opening the bottom of the support shell 9; at the same time, the water inlet pipe 34 is connected to the external water source, and clean water is introduced to flush the cut hair out, and then the hair falls into the collection box 33 after passing through the limiting cover 31; the door panel 25 is subsequently opened to take out the collection box 33 for hair treatment.

[0045] When using an environmentally friendly sewage treatment device of this embodiment, sewage flows in from the top of the box body 1, passes through the primary filter plate 2, and filters large particles of impurities and foreign matter; then the sewage is collected by the first collecting funnel 3, all flows into the interior of the secondary filter cartridge 4, passes through multiple filter slots 6, and further filters fine impurities and foreign matter; the sewage after secondary filtration is collected by the second collecting funnel 5 and then discharged in a centralized manner; a filter membrane and an activated carbon filter layer are installed on the outside of the box body 1 to remove organic matter and odor from the discharged sewage; after a long period of filtration, a large amount of hair will be entangled on the secondary filter cartridge 4; the electric slide rail 22 is started, driving the bracket 23 The support shell 9 is moved horizontally to the bottom of the secondary filter cartridge 4, and the lifting cylinder 29 is started to drive the support shell 9 to move upward, so that the secondary filter cartridge 4 enters the interior of the support shell 9; the motor 26 is started to drive the base 28 to rotate and drive the blade 7 to rotate to cut the hair; then the blade 7 is moved away to continue sewage treatment. Through the above-mentioned structural setting, the blade 7 can be inserted into the filter tank 6, or the blade 7 can be attached to the outer wall of the secondary filter cartridge 4 and rotated rapidly, thereby effectively cutting the hair and unknown wires to avoid clogging the secondary filter cartridge 4 and ensure smooth sewage filtration.

[0046] See also Fig. 9 The present invention also provides an environmentally friendly sewage treatment method, comprising the following steps:

[0047] S1: The sewage flows into the box 1 from above, passes through the primary filter plate 2, and filters out large particles of impurities and foreign matter;

[0048] S2: The sewage is then collected by the first collecting funnel 3 and all flows into the interior of the secondary filter cartridge 4, passing through a plurality of filter tanks 6 to further filter fine impurities and foreign matter;

[0049] S3: The sewage after secondary filtration is collected by the second collecting funnel 5 and then discharged in a centralized manner;

[0050] S4: Install a filter membrane and an activated carbon filter layer outside the box 1 to remove organic matter and odor from the discharged sewage;

[0051] S5: After a long period of filtration, a lot of hair will be entangled on the secondary filter cartridge 4;

[0052] S6: starting the transverse driving unit to drive the blade 7 to move to the outside of the secondary filter cartridge 4;

[0053] S7: starting the rotating unit to drive the blade 7 to rotate and cut the hair;

[0054] S8: The blade 7 is removed and sewage treatment is continued.

[0055] Among them, sewage flows into the box body 1 from the top, passes through the primary filter plate 2, and filters large particles of impurities and foreign matter; then the sewage is collected by the first collecting funnel 3, all flows into the interior of the secondary filter cartridge 4, passes through multiple filter slots 6, and further filters fine impurities and foreign matter; the sewage after secondary filtration is collected by the second collecting funnel 5 and then discharged in a centralized manner; a filter membrane and an activated carbon filter layer are installed on the outside of the box body 1 to remove organic matter and odor from the discharged sewage; after a long period of filtration, a large amount of hair will be entangled on the secondary filter cartridge 4; the horizontal drive unit is started to drive the blade 7 to move to the outside of the secondary filter cartridge 4; the rotating unit is started to drive the blade 7 to rotate to cut the hair; the blade 7 is removed and sewage treatment continues.

[0056] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An environmentally friendly sewage treatment device, comprising a housing, a primary filter plate, a first collecting funnel, a secondary filter cartridge, a second collecting funnel and a transverse drive unit, wherein the primary filter plate is bolted to the housing, the first collecting funnel is arranged inside the housing and below the primary filter plate, the secondary filter cartridge is detachably connected to the first collecting funnel, the second collecting funnel is arranged on the inner bottom wall of the housing, the transverse drive unit is arranged on the housing, the secondary filter cartridge has a plurality of filter slots, and is characterized in that: Also included is a hair cutting assembly; The hair cutting assembly comprises a plurality of blades and a rotating unit. The plurality of blades are sequentially arranged on the rotating unit. The blades are adapted to any of the filter slots. The rotating unit is arranged on the transverse driving unit.

2. The environmentally friendly sewage treatment device according to claim 1, characterized in that: The hair cutting assembly also includes multiple sealing rings, a supporting shell, two cameras, two blade adjustment units and multiple blade limiting units. The supporting shell is sleeved on the outside of the secondary filter cartridge. The multiple sealing rings are fixedly connected to the inner wall of the supporting shell and are respectively sleeved on the outer walls of the corresponding blades. The two cameras are sequentially arranged above the supporting shell, the two blade adjustment units are sequentially arranged inside the supporting shell, and the multiple blade limiting units are respectively arranged on the corresponding blade adjustment units.

3. The environmentally friendly sewage treatment device according to claim 2, characterized in that: The blade adjustment unit includes a blade support plate, a plurality of inclined blocks, an inclined block support plate, a plurality of first cylinders and a plurality of return springs, the blade support plate is fixedly connected to the plurality of blades, the support shell has a groove, the blade support plate is located inside the groove, the plurality of inclined blocks are mutually adapted to the blade support plate, the inclined block support plate is fixedly connected to the plurality of inclined blocks, a plurality of the first cylinders are arranged on the inner side wall of the groove, the output ends of the plurality of the first cylinders are fixedly connected to the inclined block support plate, and the two ends of the plurality of return springs are movably connected to the inclined block support plate and the inner side wall of the groove, respectively.

4. The environmentally friendly sewage treatment device according to claim 3, characterized in that: The blade limiting unit includes a second cylinder, a moving block, a fixed block and two limiting blocks, the second cylinder is fixedly connected to the inner wall of the groove, the output end of the second cylinder is fixedly connected to the moving block, the fixed block is fixedly connected to one side of the blade support plate, the two limiting blocks are sequentially arranged on one side of the fixed block, the moving block has a plurality of limiting grooves, and the two limiting blocks are mutually adapted to any of the limiting grooves.

5. The environmentally friendly sewage treatment device according to claim 4, characterized in that: The lateral drive unit includes two electric slide rails, a bracket, a placement shell and a door panel. The two electric slide rails are symmetrically arranged inside the box. The two ends of the bracket are respectively arranged at the output ends of the corresponding electric slide rails. The placement shell is connected to the box and is located on one side of the box. The door panel is rotatably connected to the placement shell.

6. The environmentally friendly sewage treatment device according to claim 5, characterized in that: The rotating unit includes a motor, an annular plate, a base and a plurality of lifting cylinders. The motor is fixedly connected to the bracket and is located below the bracket. The output end of the motor passes through the bracket and is fixedly connected to the base. One end of the annular plate is fixedly connected to the bracket, and the other end of the annular plate is rotatably connected to the base. The plurality of lifting cylinders are sequentially arranged above the base, and the output ends of the plurality of lifting cylinders are all fixedly connected to the support shell.

7. The environmentally friendly sewage treatment device according to claim 6, characterized in that: The hair cutting assembly further comprises a collecting unit, and the collecting unit is arranged on the supporting shell; The collecting unit includes a sealing plate, a limiting cover, a third cylinder, a collecting box and a water inlet pipe. The sealing plate is rotatably connected to the supporting shell by a hinge and is located below the supporting shell. The limiting cover is fixedly connected to the supporting shell and is located below the sealing plate. The third cylinder is rotatably connected to the bottom of the supporting shell. The output end of the third cylinder is rotatably connected to the sealing plate. The collecting box is placed above the base, and one end of the water inlet pipe passes through the box body and the first collecting funnel in sequence.

8. A method for treating environmentally friendly sewage, using the environmentally friendly sewage treatment device according to claim 7, characterized in that: The steps include: The sewage flows into the tank from the top and passes through the primary filter plate to filter out large particles of impurities and foreign matter; Then the sewage is collected by the first collecting funnel and all flows into the interior of the secondary filter cartridge, passing through a plurality of the filter tanks to further filter out fine impurities and foreign matter; The sewage after secondary filtration is collected by the second collecting funnel and then discharged in a centralized manner; Install filter membrane and activated carbon filter layer outside the box to remove organic matter and odor from the discharged sewage; After a long period of filtration, a lot of hair will be entangled on the secondary filter cartridge; Starting the transverse drive unit to drive the blade to move to the outside of the secondary filter cylinder; Starting the rotating unit to drive the blade to rotate and cut the hair; The blade is removed and sewage treatment is continued.

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