Sewage treatment system for silicon steel sheet production line

Abstract

The invention belongs to the technical field of sewage treatment, and discloses a sewage treatment system for a silicon steel sheet production line, which comprises a sludge tank, a stirring assembly is mounted in the sludge tank, a drawing line raw water tank is arranged on the right side of the sludge tank, a drawing line clean water tank is arranged above the drawing line raw water tank, and the stirring assembly comprises a top plate. The upper end of the top plate is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a stirring column, a mounting ring is arranged below the top plate, the inner side surface of the mounting ring is fixedly connected with a damper, the other end of the damper is fixedly connected with a roller frame, and the inner side surface of the roller frame is rotatably connected with an auxiliary roller; the outer side surfaces of the auxiliary rolling wheels abut against the outer side surfaces of the stirring columns, fixing plates are fixedly connected to the faces, away from the stirring columns, of the auxiliary rolling wheels, and spring telescopic rods are fixedly connected to the opposite faces between the fixing plates, and the problems that when a stirring assembly in an existing sewage treatment system is used, stirring vibration is too large, and the angle of stirring blades is fixed are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of sewage treatment, and in particular relates to a sewage treatment system for a silicon steel sheet production line. Background Art

[0002] With the development of industrialization and the expansion of cities, sewage treatment has become an important problem that must be solved in cities. Common sewage treatment methods include physical infiltration, biodegradation, chemical treatment, etc. When using the existing sewage treatment system, the sludge pool needs to be stirred to ensure the stable reaction between pollutants and chemicals in the wastewater. During the use of the existing stirring mechanism, there is a situation where the stirring vibration is too large, affecting the service life of the stirring, and there is a situation where the angle of the stirring blade is fixed, resulting in the deposition of debris on the blade, affecting the efficiency and service life of the stirring. Summary of the invention

[0003] The present invention aims to solve the problems of excessive stirring vibration and fixed stirring blade angle in the prior art, and proposes the following technical solutions:

[0004] A sewage treatment system for a silicon steel sheet production line comprises a sludge pool, a stirring assembly is installed inside the sludge pool, a stretching line raw water pool is arranged on the right side of the sludge pool, and a stretching line clear water pool is arranged above the stretching line raw water pool;

[0005] The stirring assembly includes a top plate, the upper end of the top plate is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a stirring column, a mounting ring is arranged below the top plate, the inner surface of the mounting ring is fixedly connected to a shock absorber, the other end of the shock absorber is fixedly connected to a roller frame, the inner surface of the roller frame is rotatably connected to an auxiliary roller, the outer surface of the auxiliary roller abuts against the outer surface of the stirring column, a side of the auxiliary roller away from the stirring column is fixedly connected to a fixing plate, and the opposite surfaces between the fixing plates are fixedly connected to a spring telescopic rod.

[0006] As a preferred embodiment of the above technical solution, a guide column is fixedly connected to the inner middle part of the stirring column, a mounting plate is fixedly connected to the outer surface of the stirring column, an adjusting motor is fixedly connected to the inner surface of the mounting plate, a gear is fixedly connected to the output end of the adjusting motor, a rack column is meshingly connected to the outer surface of the gear, a positioning column is slidably connected to the inner surface of the upper end of the rack column, and the upper end of the positioning column is fixedly connected to the inner top of the stirring column.

[0007] As a preferred embodiment of the above technical solution, a fixing frame is fixedly connected to the opposite surfaces of adjacent rack columns, the bottom end of the rack column is rotatably connected to a connecting piece, the inner end of the connecting piece is fixedly connected to a return spring rod, the other end of the return spring rod is fixedly connected to a rotating disk, and the outer surface of the connecting piece is slidably connected to the inner surface of the rotating disk.

[0008] As a preferred embodiment of the above technical solution, the outer end of the rotating disk is fixedly connected with a stirring blade, the outer surface of the rotating disk is rotatably connected to the inner surface of the bottom of the stirring column, the bottom end of the stirring column is bolted with a limiting cover, and the inner surface of the limiting cover is rotatably connected to the end of the rotating disk away from the stirring blade.

[0009] As a preferred embodiment of the above technical solution, the inner surface of the top plate is slidably connected with a connecting column, the upper and lower ends of the connecting column are fixedly connected with annular frames, the bottom end of the lower annular frame is fixedly connected to the upper end of the mounting ring, the upper end of the upper annular frame is fixedly connected to an auxiliary motor, the output end of the auxiliary motor is fixedly connected with a threaded screw, the outer surface of the threaded screw is threadedly connected to the inner surface of the top plate, the left outer surface of the lower annular frame is fixedly connected with a fixed bracket, and the other end of the fixed bracket is fixedly connected to the inner wall of the sludge tank.

[0010] As a preferred embodiment of the above technical solution, a magnesium oxide raw water tank is arranged on the right side of the stretching line raw water tank, a magnesium oxide clear water tank is arranged above the magnesium oxide raw water tank, a chemical tank is arranged on the left side of the sludge tank, a pump is connected to the bottom of the chemical tank, and a sedimentation tank is connected to the right side of the pump.

[0011] As a preferred embodiment of the above technical solution, a liquid level meter is fixedly connected to the inside of the reagent tank, a heat pump is connected to the upper right side of the sludge tank, a pipe pit is arranged above the magnesium oxide clear water tank, the pipe pit is connected to the stretching line raw water tank, the stretching line clear water tank, the magnesium oxide raw water tank, the magnesium oxide clear water tank and the reagent tank, and a water storage tank is arranged between the stretching line clear water tank and the sludge tank.

[0012] As a preferred embodiment of the above technical solution, a Fenton machine is arranged below the magnesium oxide raw water pool, the right side of the Fenton machine is connected to the middle pool, the right side of the middle pool is connected to the flotation machine, and the right side of the flotation machine is connected to the filter press.

[0013] As a preferred embodiment of the above technical solution, a water replenishment port is fixedly connected to the bottom of the sludge tank, an electric well is fixedly connected to the right side of the reagent tank, and a factory building is arranged on the right side of the pipeline pit.

[0014] As a preferred embodiment of the above technical solution, a sedimentation tank and a clean water tank are arranged in the upper middle part of the plant building, the right sides of the sedimentation tank and the clean water tank are connected to the left side of the filter press by pipes, a pit is connected to the bottom of the sedimentation tank by pipes, a water tank is connected to the bottom of the clean water tank by pipes, and the left side of the water tank is connected to the right side of the stretching line clean water tank by pipes.

[0015] As a preferred embodiment of the above technical solution, another group of magnesium oxide raw water pool, magnesium oxide clear water pool, filter press and water tank are arranged on the right side of the middle part of the factory building. The left and right sides of the magnesium oxide raw water pool and the magnesium oxide clear water pool are respectively connected to the right side of the water tank and the left side of the filter press by pipes, and the left side of the water tank is connected to the right side of the magnesium oxide clear water pool by pipes. One side of the magnesium oxide clear water pool is provided with multiple return water pipelines connected to the factory building, and the output end of the return water pipeline is connected to the filter press, water tank, sedimentation tank and clear water tank in the factory building.

[0016] The beneficial effects of the present invention are:

[0017] By providing a shock absorber, the auxiliary roller can be driven to perform shock-absorbing and position limiting on the stirring column, and a spring telescopic rod is provided. Three spring telescopic rods are evenly arranged between the fixed plates, and the angle between adjacent spring telescopic rods is sixty degrees, thereby ensuring the uniform movement of the auxiliary roller, and evenly dispersing the vibration generated by the stirring column to the shock absorber, thereby improving the shock-absorbing and noise-reducing effect on the stirring column;

[0018] By setting the gear, the gear can mesh with the rack column to adjust the up and down displacement of the rack column, and then adjust the rotation angle of the rotating disk through the connecting piece and the return spring rod, change the inclination angle of the stirring blade, and facilitate stirring the sludge pool at different angles, avoid the deposition of debris on the stirring blade, and improve the overall service life and stirring effect;

[0019] By setting up a return pipeline, the sewage system and the production line are perfectly combined. The treated water does not need to be discharged externally, but is all recycled in the production line, achieving zero sewage discharge, increasing the sewage treatment cycle effect, and saving energy and protecting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Shown is a top view of a sewage treatment system for a silicon steel sheet production line;

[0021] Figure 2 Shown is a top view of an external plant for a wastewater treatment system for a silicon steel sheet production line:

[0022] Figure 3 Shown is a partial top view of a sewage treatment system for a silicon steel sheet production line;

[0023] Figure 4 Shown is a partial top view of a sewage treatment system for a silicon steel sheet production line;

[0024] Figure 5 Shown is a perspective view of the stirring assembly;

[0025] Figure 6 Shown is a stereoscopic view of the stirring assembly from another perspective;

[0026] Figure 7 Shown is a schematic diagram of the internal structure of the stirring assembly;

[0027] Figure 8 It is shown that Figure 7 A front view of

[0028] Fig. 9 It is shown that Figure 8 Sectional view at AA in the middle;

[0029] Fig.10 Shown is a schematic diagram of local parts of the stirring assembly;

[0030] Fig.11 It is shown that Fig.10 A partial enlarged schematic diagram of point B in the middle;

[0031] Fig.12 It is shown that Fig.10 A partial enlarged schematic diagram of point C in the middle.

[0032] In the figure: 1, sludge tank; 2, stirring assembly; 2001, top plate; 2002, driving motor; 2003, stirring column; 2004, mounting ring; 2005, shock absorber; 2006, roller frame; 2007, auxiliary roller; 2008, fixing plate; 2009, spring telescopic rod; 2010, guide column; 2011, mounting plate; 2012, adjusting motor; 2013, gear; 2014, rack column; 2015, positioning column; 2016, fixing frame; 2017, connecting piece; 2018, reset spring rod; 2019, rotating plate; 2020, stirring blade; 2021 , limit cover; 2022, connecting column; 2023, ring frame; 2024, auxiliary motor; 2025, threaded screw; 2026, fixed bracket; 3, stretching line raw water tank; 4, stretching line clean water tank; 5, magnesium oxide raw water tank; 6, magnesium oxide clean water tank; 7, reagent tank; 8, pump; 9, sedimentation tank; 10, liquid level meter; 11, heat pump; 12, pipeline pit; 13, water storage tank; 14, Fenton machine; 15, intermediate tank; 16, flotation machine; 17, filter press; 18, water inlet; 19, electric well; 20, sedimentation tank; 21, clean water tank; 22, pit; 23, water tank; 24, factory building. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0034] Example 1

[0035] The present invention provides a sewage treatment system for a silicon steel sheet production line, such as Figure 1-12As shown, it includes a sludge pool 1, a stirring assembly 2 is installed inside the sludge pool 1, a stretching line raw water pool 3 is arranged on the right side of the sludge pool 1, and a stretching line clean water pool 4 is arranged above the stretching line raw water pool 3;

[0036] The stirring assembly 2 includes a top plate 2001, the top end of the top plate 2001 is fixedly connected to a driving motor 2002, the output end of the driving motor 2002 is fixedly connected to a stirring column 2003, a mounting ring 2004 is arranged below the top plate 2001, the inner surface of the mounting ring 2004 is fixedly connected to a shock absorber 2005, the other end of the shock absorber 2005 is fixedly connected to a roller frame 2006, the inner surface of the roller frame 2006 is rotatably connected to an auxiliary roller 2007, the outer surface of the auxiliary roller 2007 is in contact with the outer surface of the stirring column 2003, and the side of the auxiliary roller 2007 away from the stirring column 2003 is fixed. A fixed plate 2008 is connected, and a spring telescopic rod 2009 is fixedly connected to the opposite surface of the fixed plate 2008. By setting a shock absorber 2005, the auxiliary roller 2007 can be driven to perform shock-absorbing and position-limiting on the stirring column 2003. A spring telescopic rod 2009 is also set, and three spring telescopic rods 2009 are evenly set between the fixed plates 2008, and the angle between adjacent spring telescopic rods 2009 is sixty degrees, thereby ensuring the consistent movement of the auxiliary roller 2007 and evenly dispersing the vibration generated by the rotation of the stirring column 2003 to the shock absorber 2005, thereby improving the shock-absorbing and noise-reducing effect on the stirring column 2003.

[0037] like Figure 1-12As shown, a guide column 2010 is fixedly connected to the inner middle part of the stirring column 2003, a mounting plate 2011 is fixedly connected to the outer surface of the stirring column 2003, an adjusting motor 2012 is fixedly connected to the inner surface of the mounting plate 2011, a gear 2013 is fixedly connected to the output end of the adjusting motor 2012, a rack column 2014 is meshingly connected to the outer surface of the gear 2013, a positioning column 2015 is slidably connected to the inner surface of the upper end of the rack column 2014, the upper end of the positioning column 2015 is fixedly connected to the inner top of the stirring column 2003, a fixing frame 2016 is fixedly connected to the opposite surface between adjacent rack columns 2014, and the bottom end of the rack column 2014 is rotatably connected to a connecting piece 2 017, the inner end of the connecting piece 2017 is fixedly connected with a return spring rod 2018, and the other end of the return spring rod 2018 is fixedly connected with a rotating disk 2019. The outer surface of the connecting piece 2017 is slidably connected to the inner surface of the rotating disk 2019, and the outer end of the rotating disk 2019 is fixedly connected with a stirring blade 2020. By setting a gear 2013, the gear 2013 can be engaged with the rack column 2014 to adjust the up and down displacement of the rack column 2014, and then the rotation angle of the rotating disk 2019 is adjusted through the connecting piece 2017 and the return spring rod 2018, and the inclination angle of the stirring blade 2020 is changed, so as to facilitate the stirring of the sludge tank at different angles and avoid the occurrence of The outer surface of the rotating disk 2019 is rotatably connected to the inner surface of the bottom of the stirring column 2003, and the bottom end of the stirring column 2003 is bolted to the limit cover 2021. The limit cover 2021 can ensure the overall closure of the stirring column 2003 and fit the outer side of the guide column 210 to avoid the situation where the installation position is not accurate enough. The inner surface of the limit cover 2021 is rotatably connected to the end of the rotating disk 2019 away from the stirring blade 2020, and the rotating disk 2019 is limited and supported to ensure the stability and reliability of the rotating disk 2019 when rotating. The inner surface of the top plate 2001 is slidably connected to the inner surface of the top plate 2001. A connecting column 2022 is connected, and the upper and lower ends of the connecting column 2022 are fixedly connected with an annular frame 2023, the bottom end of the lower annular frame 2023 is fixedly connected to the upper end of the mounting ring 2004, the upper end of the upper annular frame 2023 is fixedly connected with an auxiliary motor 2024, and the output end of the auxiliary motor 2024 is fixedly connected with a threaded screw 2025, and the outer surface of the threaded screw 2025 is threadedly connected to the inner surface of the top plate 2001, which can drive the stirring component to move up and down as a whole, and is convenient for the staff to install and maintain, and the left outer surface of the lower annular frame 2023 is fixedly connected with a fixed bracket 2026, and the other end of the fixed bracket 2026 is fixedly connected to the inner wall of the sludge tank 1.

[0038] like Figure 1-12As shown, a magnesium oxide raw water pool 5 is arranged on the right side of the stretching line raw water pool 3, a magnesium oxide clean water pool 6 is arranged above the magnesium oxide raw water pool 5, a reagent pool 7 is arranged on the left side of the sludge pool 1, a pump 8 is connected to the lower part of the reagent pool 7, a sedimentation pool 9 is connected to the right side of the pump 8, a liquid level gauge 10 is fixedly connected to the inside of the reagent pool 7, a heat pump 11 is connected to the upper right side of the sludge pool 1, the liquid in the reagent pool 7 can be sent to the sedimentation pool 9 through the pump 8, and the liquid in the reagent pool 7 is heated by the heat pump 11 and the liquid level gauge 10 to ensure the circulating temperature and liquid level height, a pipe pit 12 is arranged above the magnesium oxide clean water pool 6, and the pipe pit 12 is connected to the stretching line raw water pool 3, the stretching line clean water pool 4, the magnesium oxide raw water pool 5, the magnesium oxide clean water pool 6 and the reagent Pool 7 is connected by pipe, a water storage tank 13 is set between the stretch line clean water tank 4 and the sludge tank 1, which is used to discharge excess clean water to avoid waste. A Fenton machine 14 is set below the magnesium oxide raw water tank 5, and the right side of the Fenton machine 14 is connected to the middle pool 15, and the right side of the middle pool 15 is connected to the flotation machine 16. The flotation machine 16 is a water treatment equipment that produces a large number of fine bubbles in the water by a dissolved air system, so that the air is attached to the suspended particles in the form of highly dispersed tiny bubbles, resulting in a state where the density is less than that of water, and the buoyancy principle is used to make it float on the water surface, thereby realizing solid-liquid separation. The right side of the flotation machine 16 is connected to a filter press 17, and the filter press 17 uses a special filter medium to apply a certain pressure to the object, so that the liquid is dialyzed out. It is a mechanical device. A commonly used solid-liquid separation equipment, which filters the sewage generated outside the factory building 24 through the flotation machine 16 and the filter press 17, passes it into the intermediate tank 15, and then is further filtered by the Fenton machine 14 and sent to the stretching line raw water tank 3 and the magnesium oxide raw water tank 5, and respectively sent to the stretching line clear water tank 4 and the magnesium oxide clear water tank 6 for use by personnel. The generated sludge is sent to the sludge tank 1, and after reacting with the stirring rod and the chemical, it is sent to the sedimentation tank 9. The bottom of the sludge tank 1 is fixedly connected with a water replenishment port 18, and the water replenishment port 18 is located at the bottom. When replenishing water, you only need to unscrew the pipe connected to the pump 8 to connect the water replenishment port 18 to replenish liquid into the reagent tank 7. The liquid in the reagent tank 7 can be a reagent that accelerates the precipitation of impurities in the liquid in the sedimentation tank. For example, flocculants can be replenished to the reagent pool 7 through the water replenishment port 18 to ensure the stability of the circulation. The right side of the reagent pool 8 is fixedly connected to an electric well 19 to supply power to the internal and external working machinery. A factory building 24 is set on the right side of the pipeline pit 12. A sedimentation tank 20 and a clean water tank 21 are set in the upper middle part of the factory building 24. The right sides of the sedimentation tank 20 and the clean water tank 21 are connected to the left side of the filter press 17 by pipes. The bottom of the sedimentation tank 20 is connected to a pit 22. The bottom of the clean water tank 21 is connected to a water tank 23. The left side of the water tank 23 is connected to the right side of the stretch line clean water pool 4 by pipes. The sewage generated in the factory building 24 is separated by the filter press 17 and sent to the sedimentation tank 20 and the clean water tank 21 respectively. The waste residue inside the sedimentation tank 20 will be discharged into the pit 22 and cleaned by the staff.The purified water inside the clean water tank 21 will enter the water tank 23 and can be directly used by the personnel and machinery in the factory building 24 to complete the small circulation of the stretching line. At the same time, the water tank 23 is also connected to the stretching line clean water tank 4. When necessary, water can be supplied through the stretching line clean water tank 4 outside the factory building 24. Another group of magnesium oxide raw water tank 5, magnesium oxide clean water tank 6, filter press 17 and water tank 23 are arranged on the right side of the middle part of the factory building 24. The left and right sides of the magnesium oxide raw water tank 5 and the magnesium oxide clean water tank 6 are respectively connected to the right side of the water tank 23 and the left side of the filter press 17 by pipes, and the left side of the water tank 23 is connected to the right side of the magnesium oxide clean water tank 6 by pipes. One side of the magnesium oxide clean water tank 6 is provided with multiple return water tanks connected to the factory building 24. The output end of the return water pipeline is connected to the filter press 17, water tank 23, sedimentation tank 20 and clean water tank 21 in the plant 24. By setting the return water pipeline, the treated water does not need to be discharged, and all of it is recycled in the production line, thereby increasing the sewage treatment cycle effect, saving energy and protecting the environment. The sewage in the plant 24 is filtered and separated by the filter press 17 and sent to the magnesium oxide raw water pool 5. After purification, it enters the magnesium oxide clean water pool 6, and then enters the water tank 23 for drinking and use by the factory personnel, completing the magnesium oxide small cycle. The water tank 23 is connected to the magnesium oxide clean water pool 6 outside the plant 24, and can supply water to the factory through the magnesium oxide clean water pool 6 outside the plant 24 when necessary.

[0039] Working principle: The sewage generated outside the plant 24 is filtered through the flotation machine 16 and the filter press 17, passed into the intermediate tank 15, and then further filtered through the Fenton machine 14 and sent to the stretching line raw water tank 3 and the magnesium oxide raw water tank 5, and respectively sent to the stretching line clean water tank 4 and the magnesium oxide clean water tank 6 for use by personnel. The generated sludge is sent to the sludge tank 1, and after reacting with the chemicals through the stirring rod, it is sent to the sedimentation tank 9. The liquid in the reagent tank 7 can be sent to the sedimentation tank 9 through the reagent tank 8, and the liquid in the reagent tank 7 is heated by the heat pump 11 and the liquid level meter 10 to ensure the circulating temperature and liquid level. The excess clean water is passed into the water storage tank 13 to avoid waste, and the filter press 1 7 The sewage generated in the plant 24 is separated and sent to the sedimentation tank 20 and the clean water tank 21 respectively. The waste residue inside the sedimentation tank 20 will be discharged into the pit 22 and cleaned by the staff. The purified water in the clean water tank 21 will enter the water tank 23 and can be directly used by the personnel and machinery in the plant 24 to complete the small cycle. At the same time, the water tank 23 is also connected to the stretching line clean water tank 4. If necessary, water can be supplied through the stretching line clean water tank 4 outside the plant 24. The sewage in the plant 24 is filtered and separated by the filter press 17 and sent to the magnesium oxide raw water tank 5. After purification, it enters the magnesium oxide clean water tank 6 and then enters the water tank 23 for drinking and use by the personnel in the plant to complete the magnesium oxide small cycle, and The water tank 23 is connected to the magnesium oxide clean water pool 6 outside the factory building 24 by a pipe. When necessary, the magnesium oxide clean water pool 6 outside the factory building 24 can be used to supply water to the factory. When the stirring assembly 2 is used, the auxiliary motor 2024 is started, and the height of the stirring blade 2020 is adjusted by the threaded transmission of the threaded screw 2025 and the top plate 2001. The drive motor 2002 is started, and the output end of the drive motor 2002 drives the stirring column 2003 and the stirring blade 2020 to rotate and stir. By providing a shock absorber 2005, the auxiliary roller 2007 can be driven to perform shock-absorbing and limiting on the stirring column 2003. The three spring telescopic rods 2009 are evenly arranged between the fixed plates 2008, and the distance between adjacent spring telescopic rods 2009 is 1 / 4 of the height of the stirring blade 2020. The angle is sixty degrees, thereby ensuring the consistent movement of the auxiliary roller 2007, and evenly dispersing the vibration generated by the rotation of the stirring column 2003 to the shock absorber 2005, thereby improving the shock-absorbing and noise-reducing effect of the stirring column 2003, and starting the adjustment motor 2012 to drive the gear 2013. The gear 2013 can mesh with the rack column 2014 to adjust the up and down displacement of the rack column 2014, and then adjust the rotation angle of the rotating disk 2019 through the connecting piece 2017 and the return spring rod 2018, and change the inclination angle of the stirring blade 2020, so as to facilitate the stirring of the sludge pool at different angles, avoid the deposition of debris on the stirring blade 2020, and improve the overall service life and stirring effect.

[0040] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. A sewage treatment system for a silicon steel sheet production line, characterized in that: It comprises a sludge pool (1), wherein a stirring assembly (2) is installed inside the sludge pool (1), a stretching line raw water pool (3) is arranged on the right side of the sludge pool (1), and a stretching line clean water pool (4) is arranged above the stretching line raw water pool (3); The stirring assembly (2) comprises a top plate (2001), the top end of the top plate (2001) is fixedly connected to a driving motor (2002), the output end of the driving motor (2002) is fixedly connected to a stirring column (2003), a mounting ring (2004) is arranged below the top plate (2001), the inner surface of the mounting ring (2004) is fixedly connected to a shock absorber (2005), and the other end of the shock absorber (2005) is fixedly connected to a A roller frame (2006) is provided, the inner surface of the roller frame (2006) is rotatably connected to an auxiliary roller (2007), the outer surface of the auxiliary roller (2007) is in contact with the outer surface of the stirring column (2003), a fixed plate (2008) is fixedly connected to a side of the auxiliary roller (2007) away from the stirring column (2003), and a spring telescopic rod (2009) is fixedly connected to the opposite surface of the fixed plates (2008).

2. A sewage treatment system for a silicon steel sheet production line according to claim 1, characterized in that: A guide column (2010) is fixedly connected to the middle part of the inner side of the stirring column (2003); a mounting plate (2011) is fixedly connected to the outer surface of the stirring column (2003); an adjusting motor (2012) is fixedly connected to the inner surface of the mounting plate (2011); a gear (2013) is fixedly connected to the output end of the adjusting motor (2012); a rack column (2014) is meshingly connected to the outer surface of the gear (2013); a positioning column (2015) is slidably connected to the inner surface of the upper end of the rack column (2014); and the upper end of the positioning column (2015) is fixedly connected to the inner top of the stirring column (2003).

3. A sewage treatment system for a silicon steel sheet production line according to claim 2, characterized in that: A fixing frame (2016) is fixedly connected to the opposite surfaces of adjacent rack columns (2014); the bottom end of the rack column (2014) is rotatably connected to a connecting piece (2017); the inner end of the connecting piece (2017) is fixedly connected to a return spring rod (2018); the other end of the return spring rod (2018) is fixedly connected to a rotating disk (2019); and the outer surface of the connecting piece (2017) is slidably connected to the inner surface of the rotating disk (2019).

4. A sewage treatment system for a silicon steel sheet production line according to claim 3, characterized in that: The outer end of the rotating disk (2019) is fixedly connected to a stirring blade (2020), the outer surface of the rotating disk (2019) is rotatably connected to the inner surface of the bottom of the stirring column (2003), the bottom end of the stirring column (2003) is bolted to a limiting cover (2021), and the inner surface of the limiting cover (2021) is rotatably connected to an end of the rotating disk (2019) away from the stirring blade (2020).

5. A sewage treatment system for a silicon steel sheet production line according to claim 2, characterized in that: The inner surface of the top plate (2001) is slidably connected to a connecting column (2022), and the upper and lower ends of the connecting column (2022) are fixedly connected to an annular frame (2023), the bottom end of the lower annular frame (2023) is fixedly connected to the upper end of the mounting ring (2004), the upper end of the upper annular frame (2023) is fixedly connected to an auxiliary motor (2024), the output end of the auxiliary motor (2024) is fixedly connected to a threaded screw (2025), the outer surface of the threaded screw (2025) is threadedly connected to the inner surface of the top plate (2001), and the left outer surface of the lower annular frame (2023) is fixedly connected to a fixed bracket (2026), and the other end of the fixed bracket (2026) is fixedly connected to the inner wall of the sludge tank (1).

6. A sewage treatment system for a silicon steel sheet production line according to claim 2, characterized in that: A magnesium oxide raw water pool (5) is arranged on the right side of the stretching line raw water pool (3), a magnesium oxide clean water pool (6) is arranged above the magnesium oxide raw water pool (5), a reagent pool (7) is arranged on the left side of the sludge pool (1), a pump (8) is connected to the bottom of the reagent pool (7), and a sedimentation tank (9) is connected to the right side of the pump (8).

7. A sewage treatment system for a silicon steel sheet production line according to claim 6, characterized in that: A liquid level meter (10) is fixedly connected to the interior of the reagent tank (7); a heat pump (11) is connected to the upper right side of the sludge tank (1); a pipe pit (12) is arranged above the magnesium oxide clean water tank (6); the pipe pit (12) is connected to the stretching line raw water tank (3), the stretching line clean water tank (4), the magnesium oxide raw water tank (5), the magnesium oxide clean water tank (6) and the reagent tank (7); a water storage tank (13) is arranged between the stretching line clean water tank (4) and the sludge tank (1).

8. A sewage treatment system for a silicon steel sheet production line according to claim 6, characterized in that: A Fenton machine (14) is arranged below the magnesium oxide raw water pool (5); the right side of the Fenton machine (14) is connected to an intermediate pool (15); the right side of the intermediate pool (15) is connected to an air flotation machine (16); and the right side of the air flotation machine (16) is connected to a filter press (17).

9. A sewage treatment system for a silicon steel sheet production line according to claim 6, characterized in that: A water inlet (18) is fixedly connected to the bottom of the sludge pool (1), an electric well (19) is fixedly connected to the right side of the reagent pool (8), and a factory building (24) is arranged on the right side of the pipeline pit (12); a sedimentation tank (20) and a clean water tank (21) are arranged in the middle of the upper part of the factory building (24), the right sides of the sedimentation tank (20) and the clean water tank (21) are pipe-connected to the left side of the filter press (17), the bottom of the sedimentation tank (20) is pipe-connected to a pit (22), the bottom of the clean water tank (21) is pipe-connected to a water tank (23), and the left side of the water tank (23) is pipe-connected to the right side of the stretch line clean water pool (4).

10. A sewage treatment system for a silicon steel sheet production line according to claim 9, characterized in that: Another group of the magnesium oxide raw water pool (5), magnesium oxide clear water pool (6), filter press (17) and water tank (23) is arranged on the right side of the middle part of the plant (24); the left and right sides of the magnesium oxide raw water pool (5) and the magnesium oxide clear water pool (6) are respectively connected to the right side of the water tank (23) and the left side of the filter press (17); the left side of the water tank (23) is connected to the right side of the magnesium oxide clear water pool (6); one side of the magnesium oxide clear water pool (6) is provided with a plurality of return water pipelines connected to the plant (24); and the output ends of the return water pipelines are connected to the filter press (17), the water tank (23), the sedimentation tank (20) and the clear water tank (21) in the plant (24).

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