A sewage treatment system and sewage treatment process thereof

Abstract

The present application relates to a sewage treatment system and a sewage treatment process thereof, and relates to the technical field of sewage treatment; it comprises a treatment tank and a sewage pipe connected to the treatment tank; a storage platform is provided on the treatment tank, a medicine supply box is provided on the storage platform, a pressure pump is connected to the medicine supply box, an injection component for injecting medicine is connected to the output end of the pressure pump, a lifting component for driving the injection component to approach or move away from the treatment tank is provided on the storage platform, a sliding component for driving the storage platform to move along the length direction of the treatment tank is provided on the treatment tank, a moving component for driving the storage platform to move along the width direction of the treatment tank is provided on the treatment tank, and a stirring component for stirring medicine and sewage is provided on the storage platform; the present application has the effect of improving the mixing efficiency of medicine and sewage.

Description

Technical Field

[0001] The present application relates to the technical field of sewage treatment, and in particular to a sewage treatment system and a sewage treatment process thereof. Background Art

[0002] Wastewater treatment is the process of purifying sewage so that it meets the water quality requirements for discharge into a water body or reuse.

[0003] In the related technology, sewage treatment includes a pretreatment system for industrial sewage, which usually transports the industrial sewage to a pH adjustment tank and uses chemicals to adjust the acidity and base. The adjusted sewage is then successively put into a micro-electrolysis tower and a Fenton reaction tank to degrade organic matter. Chemicals are then used to remove suspended matter and degraded substances in the water.

[0004] With respect to the above-mentioned related technologies, the inventors found that: during the sewage treatment process, it is necessary to put the reagent into the sewage inside the reaction tank, and then mix the reagent and the sewage by manual stirring; however, the reagent is usually put into a fixed point or around the edge of the reaction tank, and the mixing efficiency of the reagent and the sewage inside the reaction tank is low, which reduces the efficiency of sewage treatment, so it needs to be improved. Summary of the invention

[0005] In order to improve the problem of low mixing efficiency of chemicals and sewage, the present application provides a sewage treatment system and a sewage treatment process thereof.

[0006] In the first aspect, the present application provides a sewage treatment system, which adopts the following technical solution:

[0007] A sewage treatment system comprises a treatment tank and a sewage pipe connected to the treatment tank; a storage platform is provided on the treatment tank, a medicine supply box is provided on the storage platform, a pressure pump is connected to the medicine supply box, an output end of the pressure pump is connected to an injection component for injecting medicine, a lifting component for driving the injection component to approach or move away from the treatment tank is provided on the storage platform, a sliding component for driving the storage platform to move along the length direction of the treatment tank is provided on the treatment tank, a moving component for driving the storage platform to move along the width direction of the treatment tank is provided on the treatment tank, and a stirring component for stirring medicine and sewage is provided on the storage platform.

[0008] By adopting the above technical scheme, the pressure pump sucks the medicine inside the medicine supply box and transports it to the injection part for injection of the medicine; the sliding component is used to drive the storage table to drive the injection part to move along the length direction of the treatment tank, the moving component is used to drive the storage table to drive the injection part to move along the width direction of the treatment tank, and the lifting component is used to drive the injection part to approach or move away from the treatment tank, thereby driving the spray part to move to the sewage at different positions inside the treatment tank, and injecting the medicine into the sewage at different positions inside the treatment tank, thereby increasing the range of medicine delivery; in addition, the stirring component is used to mix and stir the medicine and sewage at different positions, thereby improving the mixing efficiency of sewage and medicine.

[0009] Preferably, the lifting assembly includes a sliding tube, a connecting hose, a transmission rack, a lifting motor and a driving gear; the sliding tube is slidably arranged on the storage table, and the sliding tube is connected and arranged between the pressure pump and the injection member; the connecting hose is connected and arranged between the sliding tube and the pressure pump, the transmission rack is arranged on the side wall of the sliding tube, the lifting motor is arranged on the storage table, the driving gear is arranged at the output end of the lifting motor, and the driving gear and the transmission rack are meshed with each other.

[0010] By adopting the above technical solution, the output end of the lifting motor drives the driving gear to rotate, and the driving gear engages with the transmission rack to drive the transmission rack to drive the sliding tube to move, so that the sliding tube drives the injection part to move closer to or away from the treatment pool, thereby adjusting the position of the injection part at different depths inside the treatment pool.

[0011] Preferably, the injection component includes a spray ball and a filter screen cover, a guide cavity is opened inside the spray ball, and the spray ball is connected to the end of the sliding tube facing the treatment pool, and a plurality of spray holes connected to the inside of the guide cavity are opened through the side wall of the spray ball; the filter screen cover is sleeved on the outside of the spray ball.

[0012] By adopting the above technical solution, the filter cover reduces the phenomenon of floating objects in the sewage passing through the injection hole and clogging the injection hole; the agent is transported to the inside of the diversion cavity and dispersedly sprayed using the injection hole to mix the sewage around the injection element, thereby improving the mixing efficiency of the sewage and the agent.

[0013] Preferably, the sliding assembly includes a mounting frame, a sliding guide rod, a sliding screw and a sliding motor; the mounting frame is slidably arranged on the processing pool, and the storage table is arranged on the mounting frame; the sliding guide rod and the sliding screw are both arranged on the processing pool, and the length directions of the sliding guide rod and the sliding screw are parallel to the length direction of the processing pool; the sliding guide rod and the sliding screw both pass through the mounting frame, the sliding screw is rotatably connected to the processing pool, and the sliding screw is threadedly connected to the mounting frame; the sliding motor is arranged on the processing pool to drive the sliding screw to rotate.

[0014] By adopting the above technical solution, the output end of the mobile motor drives the sliding screw to rotate, the rotating mobile screw transmits the threaded transmission to the mounting frame, and the mobile guide rod guides the moving mounting frame, so that the mounting frame drives the storage table to move along the length direction of the treatment pool.

[0015] Preferably, the moving assembly includes a clamping block, a moving screw and a moving motor; a mounting opening is provided on the mounting frame, and the storage table is slidably arranged inside the mounting opening; the clamping block is arranged on the side wall of the storage table, and the inner wall of the mounting opening is provided with a sliding groove for the clamping block to slide; the moving screw is rotatably arranged on the mounting frame, the length direction of the moving screw is parallel to the width direction of the treatment pool, and the moving screw is threadedly connected to the clamping block; the moving motor is arranged on the mounting frame to drive the moving screw to rotate.

[0016] By adopting the above technical solution, the output end of the mobile motor drives the mobile screw to rotate, the rotating mobile screw transmits the threaded transmission to the clamping block, and the sliding groove guides the mobile clamping block, thereby realizing the movement of the storage table along the width direction of the treatment pool.

[0017] Preferably, the stirring assembly includes a rotating ring, a connecting grid, a stirring paddle, a transmission gear ring, a stirring motor and a stirring gear; the rotating ring is rotatably arranged on a storage table, the connecting grid is arranged on the side wall of the rotating ring facing the treatment tank, the stirring paddle is arranged on the connecting grid, and the injection member is located inside the connecting grid; the transmission gear ring is arranged on the rotating ring, the stirring motor is arranged on the storage table, the stirring gear is arranged at the output end of the stirring motor, and the stirring gear and the transmission gear ring are meshed with each other.

[0018] By adopting the above technical solution, the output end of the stirring motor drives the transmission gear ring to rotate through the stirring gear, so that the rotating ring drives the connecting frame and the stirring paddle to rotate, thereby timely mixing and stirring the sewage around the injection piece and the newly injected agent, thereby improving the mixing efficiency of the sewage and the agent.

[0019] Preferably, a cleaning component for cleaning the sliding tube and the transmission rack is provided on the storage table, and a control component for controlling the timely start-up of the cleaning component is provided on the storage table.

[0020] By adopting the above technical solution, the cleaning component cleans the sliding tube and the transmission rack, thereby reducing the phenomenon that the moving sliding tube and the transmission rack carry sewage to the storage table and cause corrosion to the equipment on the storage table; the control component controls the cleaning component to start in time, thereby reducing the waste of resources caused by long-term startup of the cleaning component while ensuring the cleaning effect of the cleaning component.

[0021] Preferably, the cleaning assembly includes a water supply tank, a water supply pump, a delivery pipe and a guide ring pipe; the water supply tank is arranged on a storage table, the water supply pump is connected to the water supply tank, the delivery pipe is connected to the output end of the water supply pump, the guide ring pipe is sleeved on the outside of the sliding tube, the delivery pipe is connected to the guide ring pipe, and a plurality of cleaning holes are opened through the guide ring pipe.

[0022] By adopting the above technical solution, the water pump sucks the clean water inside the water supply tank and transports it to the inside of the guide ring pipe through the delivery pipe, and the water flow is sprayed out through the cleaning hole of the guide ring pipe to flush the sliding pipe and the transmission rack, thereby reducing the sewage attached to the surface of the sliding pipe and the transmission rack.

[0023] Preferably, the control assembly includes a fixed frame, a sliding block, a contact head, a guide rod and a trigger switch; the fixed frame is arranged on a storage table, the sliding block is slidably arranged on the fixed frame, the contact head is arranged on the side wall of the sliding block facing the sliding tube, and the contact head is abutted against the sliding tube; the guide rod is arranged on the fixed frame, and the guide rod passes through the sliding block; the trigger switch is arranged at the end of the fixed frame away from the injection member, the water pump is controlled by the trigger switch, and when the sliding block presses the trigger point of the trigger switch, the trigger switch controls the water pump to be powered on and operate.

[0024] By adopting the above technical scheme, when the sliding tube is driven by the transmission rack and moves in the direction away from the treatment pool, the sliding tube applies a force to the contact head to move in the direction away from the treatment pool, so that the contact head drives the sliding block to approach and press the trigger point of the trigger switch, thereby starting the water pump in time to clean the rising sliding tube and the transmission rack; when the sliding tube moves in the direction close to the treatment pool, the sliding tube applies a force to the contact head to move in the direction close to the treatment pool, so that the contact head drives the sliding block gradually away from the trigger switch; at this time, the trigger point of the trigger switch is not pressed, so that the water pump is in a power-off and shutdown state, and the cleaning component is in a shutdown state, thereby reducing unnecessary resource loss.

[0025] Second,

[0026] The present application provides a sewage treatment process of a sewage treatment system, comprising the following steps:

[0027] Spraying medicine: sucking the medicine inside the medicine supply box through the pressure pump and spraying the medicine through the spraying part;

[0028] Position adjustment: The platform is controlled to move by the moving assembly and the sliding assembly, and the injection component is controlled to move by the lifting assembly, so as to adjust the relative position between the injection component and the treatment tank, so as to inject the agent into the sewage at different positions of the treatment tank;

[0029] Stirring: The reagent and sewage are mechanically mixed in time through the stirring component.

[0030] In summary, the present application includes at least one of the following beneficial technical effects:

[0031] 1. A pressure pump is set up to suck the medicine inside the medicine supply box and transport it to the injection part for injection of the medicine; the sliding component, the moving component and the lifting component are used to drive the spray part to move to the sewage at different positions inside the treatment pool, and the medicine is injected into the sewage at different positions inside the treatment pool, thereby increasing the range of medicine delivery; in addition, the stirring component is used to mix and stir the medicine and sewage at different positions, thereby improving the mixing efficiency of sewage and medicine;

[0032] 2. By setting up a cleaning component to clean the sliding tube and the transmission rack, it is reduced that the moving sliding tube and the transmission rack carry sewage to the storage table and cause corrosion to the equipment on the storage table;

[0033] 3. By setting the control component to control the cleaning component to start in time, the resource waste caused by the long-term startup of the cleaning component is reduced while ensuring the cleaning effect of the cleaning component. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a structural schematic diagram of a sewage treatment system and its sewage treatment process according to an embodiment of the present application.

[0035] Figure 2 It is a structural diagram used to reflect the connection relationship between the storage table and the stirring component.

[0036] Figure 3 It is a cross-sectional schematic diagram used to illustrate the connection relationship between the storage table and the sliding tube.

[0037] Figure 4 It is used to reflect Figure 3 A magnified schematic diagram of the structure in the middle.

[0038] Description of reference numerals:

[0039] 1. Treatment tank; 11. Sewage pipe; 12. Storage table; 13. Medicine supply box; 131. Pressure pump; 14. Injection piece; 141. Injection ball; 1411. Diversion cavity; 1412. Injection hole; 142. Filter screen; 2. Lifting assembly; 21. Sliding pipe; 22. Connecting hose; 23. Transmission rack; 24. Lifting motor; 25. Driving gear; 3. Sliding assembly; 31. Mounting frame; 311. Mounting port; 312. Sliding groove; 32. Sliding guide rod; 33. Sliding screw rod; 34. Sliding Moving motor; 4. Moving assembly; 41. Card-connecting block; 42. Moving screw rod; 43. Moving motor; 5. Stirring assembly; 51. Rotating ring; 52. Connecting grid; 53. Stirring paddle; 54. Transmission gear ring; 55. Stirring motor; 56. Stirring gear; 6. Cleaning assembly; 61. Water supply tank; 62. Water supply pump; 63. Delivery pipe; 64. Guide ring pipe; 641. Cleaning hole; 7. Control assembly; 71. Fixed frame; 72. Sliding block; 73. Contact head; 74. Guide rod; 75. Trigger switch. DETAILED DESCRIPTION

[0040] The following is combined with Figure 1-4 This application is described in further detail.

[0041] The embodiment of the present application discloses a sewage treatment system and a sewage treatment process thereof, which are used to improve the mixing efficiency of a reagent and sewage.

[0042] Reference Figure 1 and Figure 2 A sewage treatment system includes a treatment tank 1 and a sewage pipe 11 fixedly installed at one end of the treatment tank 1, and the sewage pipe 11 is used to introduce external sewage into the treatment tank 1 for centralized sewage treatment. A storage table 12 is installed on the treatment tank 1, and a medicine supply box 13 is placed on the storage table 12. The medicine supply box 13 is filled with medicine for sewage treatment. A pressure pump 131 is installed on the medicine supply box 13 through a pipeline, and an injection component 14 is installed at the output end of the pressure pump 131, so that the medicine inside the medicine supply box 13 is sucked by the pressure pump 131 and sprayed out through the injection component 14.

[0043] Reference Figure 1 and Figure 2, a sliding assembly 3 is installed on the treatment pool 1 to drive the storage table 12 to move along the length direction of the treatment pool 1. The sliding assembly 3 includes a mounting frame 31, a sliding guide rod 32, a sliding screw rod 33 and a sliding motor 34; the mounting frame 31 is slidably mounted on the upper surface of the treatment pool 1, and the storage table 12 is located on the mounting frame 31. The sliding guide rod 32 is fixedly connected to the treatment pool 1, and the sliding screw rod 33 is rotationally connected to the treatment pool 1, and the length directions of the sliding guide rod 32 and the sliding screw rod 33 are parallel to the length direction of the treatment pool 1. The sliding guide rod and the sliding screw rod 33 both pass through the mounting frame 31, and the sliding screw rod 33 is threadedly connected to the mounting frame 31. The sliding motor 34 is fixedly installed on the treatment pool 1, and the output end of the sliding motor 34 is transmission-connected to the end of the sliding screw rod 33, thereby driving the sliding screw rod 33 to rotate.

[0044] Reference Figure 1 and Figure 2 , a moving assembly 4 is provided on the mounting frame 31, which is used to drive the storage table 12 to move along the width direction of the treatment pool 1. The moving assembly 4 includes a clamping block 41, a moving screw 42 and a moving motor 43; a mounting opening 311 is provided through the upper surface of the mounting frame 31 along the thickness direction, and the storage table 12 is located inside the mounting opening 311. The clamping block 41 is integrally formed on both sides of the storage table 12 in the width direction, and the inner side wall of the mounting opening 311 is provided with a sliding groove 312 for the clamping block 41 to slide, so that the storage table 12 is slidably connected to the mounting frame 31.

[0045] Reference Figure 1 and Figure 2 The moving screw rod 42 is rotatably connected to the mounting frame 31, the moving screw rod 42 passes through one of the blocks, the moving screw rod 42 is threadedly connected to the clamping block 41, and the length direction of the moving screw rod 42 is parallel to the width direction of the treatment pool 1. The moving motor 43 is fixedly connected to the mounting frame 31, and the output end of the moving motor 43 is drivingly connected to the end of the moving screw rod 42 to drive the moving screw rod 42 to rotate.

[0046] Reference Figure 3 and Figure 4 A lifting assembly 2 is installed on the storage platform 12 to drive the injection member 14 to move closer to or away from the treatment pool 1. The lifting assembly 2 includes a sliding tube 21, a connecting hose 22, a transmission rack 23, a lifting motor 24 and a driving gear 25; the sliding tube 21 is vertically penetrated on the storage platform 12, and the sliding tube 21 and the storage platform 12 can slide relative to each other. The connecting hose 22 is connected and installed between the top of the sliding tube 21 and the output end of the pressure pump 131. The injection member 14 is connected and installed at the end of the sliding tube 21 facing the treatment pool 1.

[0047] Reference Figure 2 and Figure 3The injection member 14 includes an injection ball 141 and a filter screen cover 142; in this embodiment, the injection ball 141 is a hollow structure, a flow guiding cavity 1411 is provided inside the injection ball 141, and the injection ball 141 is connected and installed at the end of the sliding pipe 21 facing the treatment tank 1. A plurality of groups of injection holes 1412 are provided on the surface of the injection ball 141, and all the injection holes 1412 are connected to the inside of the flow guiding cavity 1411. The filter screen cover 142 is fixedly connected to the end of the sliding pipe 21 facing the treatment tank 1, and the injection ball 141 is located inside the filter screen cover 142.

[0048] Reference Figure 3 and Figure 4 The transmission rack 23 is fixedly connected to the side wall of the sliding tube 21, the length direction of the transmission rack 23 is parallel to the length direction of the sliding tube 21, and the transmission rack 23 passes through the storage platform 12. The lifting motor 24 is fixedly installed on the storage platform 12, the driving gear 25 is fixedly sleeved on the output end of the lifting motor 24, and the driving gear 25 and the transmission rack 23 are meshed with each other to rotate through the output end of the lifting motor 24, thereby driving the transmission rack 23 to drive the sliding tube 21 and the injection member 14 to move up and down.

[0049] Reference Figure 2 and Figure 3 A cleaning assembly 6 for cleaning the sliding tube 21 and the transmission rack 23 is installed on the storage table 12. The cleaning assembly 6 includes a water supply tank 61, a water supply pump 62, a delivery pipe 63 and a guide ring pipe 64. The water supply tank 61 is placed on the top of the storage table 12, and the water supply pump 62 is installed on the water supply tank 61 through a pipeline to pump clean water inside the water supply tank 61.

[0050] Reference Figure 2 and Figure 3 The guide ring pipe 64 is fixedly connected to the bottom wall of the storage platform 12 through a short rod, and the sliding pipe 21 and the transmission rack 23 are both located inside the guide ring pipe 64. The delivery pipe 63 is connected and installed between the output end of the water supply pump 62 and the guide ring pipe 64, so that the clean water inside the water supply tank 61 is delivered to the inside of the guide ring pipe 64 through the water supply pump 62. The side wall of the guide ring pipe 64 facing the sliding pipe 21 is provided with a plurality of cleaning holes 641, and all the cleaning holes 641 are spaced around the sliding pipe 21.

[0051] Reference Figure 3 and Figure 4A control component 7 is installed on the storage table 12, and the control component 7 includes a fixing frame 71, a sliding block 72, a contact head 73, a guide rod 74 and a trigger switch 75. In this embodiment, the contact head 73 can be made of rubber with a high friction coefficient and soft texture. The trigger switch 75 can be a normally closed switch, and the trigger switch 75 is connected to the pressure pump 131. The trigger point of the trigger switch 75 can be pressed to control the pressure pump 131 to power on.

[0052] Reference Figure 3 and Figure 4 The fixing frame 71 is welded and fixed to the top wall of the storage table 12, and the trigger switch 75 is fixedly connected to the top of the fixing frame 71. The sliding block 72 is located inside the fixing frame 71, and the side wall of the sliding block 72 facing the trigger switch 75 can be against the trigger point of the trigger switch 75; the guide rod 74 is glued and connected to the inside of the fixing frame 71, and the length direction of the guide rod 74 is parallel to the sliding direction of the sliding tube 21, and the guide rod 74 passes through the sliding block 72.

[0053] Reference Figure 3 and Figure 4 The contact head 73 is glued to the side wall of the sliding block 72 facing the sliding tube 21, and the side wall of the sliding block 72 away from the sliding block 72 abuts against the sliding tube 21, so that the sliding tube 21 slides, thereby driving the sliding block 72 to move along the length direction of the guide rod 74, and pressing the trigger point of the trigger switch 75, thereby controlling the water supply pump 62 to power on and operate.

[0054] Reference Figure 2 and Figure 3 The stirring assembly 5 is installed on the storage table 12, and the stirring assembly 5 includes a rotating ring 51, a connecting grid 52, a stirring paddle 53, a transmission gear ring 54, a stirring motor 55 and a stirring gear 56. The rotating ring 51 is rotatably connected to the bottom wall of the storage table 12, the connecting grid 52 is welded and fixed to the end of the rotating ring 51 away from the storage table 12, the stirring paddle 53 is integrally formed on the connecting grid 52, and the sliding tube 21 and the injection member 14 are both located inside the connecting grid 52.

[0055] Reference Figure 2 and Figure 3 The transmission gear ring 54 is fixedly sleeved on the rotating ring 51, the stirring motor 55 is fixedly connected to the bottom wall of the storage table 12, and the stirring gear 56 is fixedly sleeved on the output end of the stirring motor 55, and the stirring gear 56 and the transmission gear are meshed with each other. When the output end of the stirring motor 55 rotates, the stirring gear 56 and the transmission gear ring 54 are meshed and driven to drive the rotating ring 51 to drive the connecting grid 52 and the stirring paddle 53 to rotate, so as to stir and mix the medicine and sewage around the injection member 14.

[0056] The implementation principle of a sewage treatment system in the embodiment of the present application is:

[0057] When adding chemicals to the treatment pool 1 for sewage treatment, the pressure pump 131 is started to transport the chemicals in the chemical supply box 13 to the inside of the spray ball 141, and the chemicals are sprayed into the sewage around the spray ball 141 through the spray hole 1412. During the process of spraying the chemicals, the stirring motor 55 is started to drive the rotating ring 51 to drive the connecting frame and the stirring paddle 53 to rotate, so as to mix the sprayed chemicals and sewage in time, thereby improving the mixing efficiency of sewage and chemicals.

[0058] In addition, during the process of spraying the agent, the sliding screw 33 is driven to rotate by the sliding motor 34, and the rotating sliding screw 33 is threadedly transmitted with the mounting frame 31, driving the mounting frame 31 to drive the storage table 12 and the spray ball 141 to move along the length direction of the treatment tank 1; the moving screw 42 is driven to rotate by the moving motor 43, and the rotating moving screw 42 is threadedly transmitted with the clamping block 41, driving the storage table 12 to drive the spray ball 141 to move along the width direction of the treatment tank 1; the lifting motor 24 is started, and the driving gear 25 is meshed with the transmission rack 23 to drive the transmission rack 23 to drive the sliding tube 21 and the spray ball 141 to approach or move away from the treatment tank 1, so as to drive the spray ball 141 to move to the sewage at different positions of the treatment tank 1, thereby spraying the agent into the sewage at different positions of the treatment tank 1, and mixing the sewage and the agent at different positions of the treatment tank 1 by the stirring component 5, further improving the mixing efficiency of the sewage and the agent.

[0059] The present application also discloses a sewage treatment process of a sewage treatment system, comprising the following steps:

[0060] Spraying medicine: The medicine in the medicine supply box 13 is sucked by the pressure pump 131 and transported to the spraying part 14 for spraying;

[0061] Position adjustment: The slide assembly 3 drives the placement table 12 to move along the length direction of the treatment tank 1, the moving assembly 4 drives the placement table 12 to move along the width direction of the treatment tank 1, and the lifting assembly 2 controls the injection member 14 to move closer to or farther from the treatment tank 1, so as to drive the injection member 14 to different positions of the treatment tank 1, thereby adding the agent to the sewage at different positions inside the treatment tank 1;

[0062] Stirring: The stirring component 5 is used to mechanically mix the medicine and sewage sprayed by the spraying member 14 in a timely manner.

[0063] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sewage treatment system, comprising a treatment tank (1) and a sewage pipe (11) connected to the treatment tank (1); characterized in that: The treatment pool (1) is provided with a storage platform (12), a medicine supply box (13) is provided on the storage platform (12), a pressure pump (131) is connected to the medicine supply box (13), an output end of the pressure pump (131) is connected to an injection component (14) for injecting medicine, a lifting component (2) is provided on the storage platform (12) for driving the injection component (14) to approach or move away from the treatment pool (1), a sliding component (3) is provided on the treatment pool (1) for driving the storage platform (12) to move along the length direction of the treatment pool (1), a moving component (4) is provided on the treatment pool (1) for driving the storage platform (12) to move along the width direction of the treatment pool (1), and a stirring component (5) is provided on the storage platform (12) for stirring medicine and sewage; The lifting assembly (2) comprises a sliding tube (21), a connecting hose (22), a transmission rack (23), a lifting motor (24) and a driving gear (25); the sliding tube (21) is slidably arranged on the storage platform (12), and the sliding tube (21) is connected and arranged between the pressure pump (131) and the injection member (14); the connecting hose (22) is connected and arranged between the sliding tube (21) and the pressure pump (131), the transmission rack (23) is arranged on the side wall of the sliding tube (21), the lifting motor (24) is arranged on the storage platform (12), the driving gear (25) is arranged at the output end of the lifting motor (24), and the driving gear (25) and the transmission rack (23) are meshed with each other; The storage platform (12) is provided with a cleaning component (6) for cleaning the sliding tube (21) and the transmission rack (23), and the storage platform (12) is provided with a control component (7) for controlling the timely start of the cleaning component (6); The cleaning assembly (6) comprises a water supply box (61), a water supply pump (62), a delivery pipe (63) and a guide ring pipe (64); the water supply box (61) is arranged on the storage table (12); the water supply pump (62) is connected to the water supply box (61); the delivery pipe (63) is connected to the output end of the water supply pump (62); the guide ring pipe (64) is sleeved on the outside of the sliding pipe (21); the delivery pipe (63) is connected to the guide ring pipe (64); and a plurality of cleaning holes (641) are opened through the guide ring pipe (64).

2. A sewage treatment system according to claim 1, characterized in that: The injection member (14) comprises an injection ball (141) and a filter screen cover (142); a flow guiding cavity (1411) is provided inside the injection ball (141), and the injection ball (141) is connected to the end of the sliding pipe (21) facing the treatment pool (1); a plurality of injection holes (1412) connected to the inside of the flow guiding cavity (1411) are provided through the side wall of the injection ball (141); and the filter screen cover (142) is sleeved on the outside of the injection ball (141).

3. A sewage treatment system according to claim 1, characterized in that: The sliding assembly (3) comprises a mounting frame (31), a sliding guide rod (32), a sliding screw rod (33) and a sliding motor (34); the mounting frame (31) is slidably arranged on the processing pool (1), and the storage table (12) is arranged on the mounting frame (31); the sliding guide rod (32) and the sliding screw rod (33) are both arranged on the processing pool (1), and the length directions of the sliding guide rod (32) and the sliding screw rod (33) are both parallel to the length direction of the processing pool (1); the sliding guide rod (32) and the sliding screw rod (33) both pass through the mounting frame (31), the sliding screw rod (33) is rotatably connected to the processing pool (1), and the sliding screw rod (33) is threadedly connected to the mounting frame (31); the sliding motor (34) is arranged on the processing pool (1) to drive the sliding screw rod (33) to rotate.

4. A sewage treatment system according to claim 3, characterized in that: The moving assembly (4) comprises a clamping block (41), a moving screw rod (42) and a moving motor (43); a mounting opening (311) is provided through the mounting frame (31), and the storage platform (12) is slidably arranged inside the mounting opening (311); the clamping block (41) is arranged on the side wall of the storage platform (12), and the inner side wall of the mounting opening (311) is provided with a sliding groove (312) for the clamping block (41) to slide; the moving screw rod (42) is rotatably arranged on the mounting frame (31), the length direction of the moving screw rod (42) is parallel to the width direction of the treatment pool (1), and the moving screw rod (42) is threadedly connected to the clamping block (41); the moving motor (43) is arranged on the mounting frame (31) to drive the moving screw rod (42) to rotate.

5. A sewage treatment system according to claim 1, characterized in that: The stirring assembly (5) comprises a rotating ring (51), a connecting grid (52), a stirring paddle (53), a transmission gear ring (54), a stirring motor (55) and a stirring gear (56); the rotating ring (51) is rotatably arranged on a storage platform (12); the connecting grid (52) is arranged on a side wall of the rotating ring (51) facing the treatment tank (1); the stirring paddle (53) is arranged on the connecting grid (52); and the injection member (14) is located inside the connecting grid (52); the transmission gear ring (54) is arranged on the rotating ring (51); the stirring motor (55) is arranged on the storage platform (12); the stirring gear (56) is arranged at the output end of the stirring motor (55), and the stirring gear (56) and the transmission gear ring (54) are meshed with each other.

6. A sewage treatment system according to claim 1, characterized in that: The control component (7) comprises a fixed frame (71), a sliding block (72), a contact head (73), a guide rod (74) and a trigger switch (75); the fixed frame (71) is arranged on the storage table (12), the sliding block (72) is slidably arranged on the fixed frame (71), the contact head (73) is arranged on the side wall of the sliding block (72) facing the sliding tube (21), and the contact head (73) is in contact with the sliding tube (21); the guide rod (74) is arranged on the fixed frame (71), and the guide rod (74) passes through the sliding block (72); the trigger switch (75) is arranged at the end of the fixed frame (71) away from the injection member (14), the water supply pump (62) is controlled by the trigger switch (75), and when the sliding block (72) presses the trigger point of the trigger switch (75), the trigger switch (75) controls the water supply pump (62) to be powered on and run.

7. A sewage treatment process according to any one of claims 1 to 6, characterized in that: The steps include: Spraying the medicine: sucking the medicine in the medicine supply box (13) through the pressure pump (131) and spraying the medicine through the spraying member (14); Position adjustment: the placement platform (12) is controlled to move by the moving component (4) and the sliding component (3), the injection component (14) is controlled to move by the lifting component (2), and the relative position of the injection component (14) and the treatment tank (1) is adjusted to inject the agent into the sewage at different positions of the treatment tank (1); Stirring: The reagent and sewage are mechanically mixed in time through the stirring component (5).

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