Coating production sewage treatment system with heat recovery function

Abstract

The invention relates to the technical field of sewage treatment, in particular to a coating production sewage treatment system with heat recovery, which comprises a bottom plate, a driving mechanism is arranged on the bottom plate, and four arc-shaped conveying pipes are annularly and fixedly connected to the top of the bottom plate through supporting plates; coating production sewage is sequentially adsorbed and filtered through activated carbon adsorption plates in the four rotary switching mechanisms, multi-stage adsorption and filtration of the coating production sewage are achieved, the sewage treatment effect is improved, the driving mechanism drives the multiple switching discs to integrally and synchronously rotate, rapid switching of the activated carbon adsorption plates is achieved, and the efficiency of sewage treatment is improved. The working efficiency is improved, the switched activated carbon adsorption plate rotates into the high-temperature furnace for high-temperature regeneration of activated carbon, cyclic utilization of the activated carbon plate is achieved, through arrangement of the stirring mechanism, the stirring mechanism is synchronously driven to clean the interior of the arc-shaped conveying pipe during switching, and self-cleaning of the arc-shaped conveying pipe is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, and in particular to a coating production sewage treatment system with heat recovery. Background Art

[0002] Paint production wastewater is a type of industrial wastewater containing multiple complex components. It mainly comes from the cleaning, paint mixing and equipment cleaning processes during the production and use of paint. Compared with conventional wastewater, paint production wastewater has a high organic matter content and chromaticity content. Therefore, in the process of paint production wastewater treatment, in addition to conventional filtration pretreatment, flotation sedimentation treatment, chemical treatment and biological treatment, activated carbon is required for further adsorption treatment. Activated carbon adsorption treatment is an important step in paint production wastewater treatment. However, the following problems exist during treatment:

[0003] 1. When using activated carbon for adsorption and decolorization, the paint production wastewater that has undergone conventional treatment is transported through a pipe to an activated carbon adsorption box for adsorption. However, after a period of adsorption, the activated carbon will become saturated and its adsorption capacity will decrease. At this time, it is necessary to first stop the transportation of the paint production wastewater, disassemble the adsorption box where the activated carbon is installed, and remove the activated carbon plate and replace it. Only after the replacement is completed can the treatment be carried out again. The installation and replacement operations are cumbersome, which reduces the efficiency of paint production wastewater treatment.

[0004] 2. Due to the precipitation of impurities in the paint production wastewater, the impurities are easily precipitated in the pipeline during the process of being transported from the pipeline to the activated carbon plate for adsorption, which makes cleaning difficult. As a result, during long-term use, impurities will accumulate on the inner wall of the pipeline, affecting the subsequent adsorption treatment effect and even causing a reduction in pipeline circulation efficiency. Summary of the Invention

[0005] The purpose of the present invention is to provide a paint production wastewater treatment system with heat recovery to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a paint production wastewater treatment system with heat recovery, comprising a bottom plate, a driving mechanism provided on the bottom plate, four arc-shaped conveying pipes fixedly connected in an annular shape to the top of the bottom plate through a support plate, four stirring mechanisms for rotating and stirring the paint production wastewater are commonly provided between the arc-shaped conveying pipes and the bottom plate, sealing interception mechanisms are provided at both ends of the arc-shaped conveying pipes, and a rotation switching mechanism is provided between two adjacent arc-shaped conveying pipes, a mounting bracket is fixedly connected to the top of the arc-shaped conveying pipe, the four mounting brackets are commonly fixedly connected to the top plate, and a limited locking mechanism is commonly provided between the top plate and the rotation switching mechanism;

[0007] The driving mechanism includes a No. 1 servo motor fixedly connected to the bottom center of the base plate, the output end of the No. 1 servo motor rotates through the top of the base plate and is fixedly connected to a cross, and the outside of the cross is fixedly sleeved with a No. 1 gear ring;

[0008] The stirring mechanism includes a rotating assembly and a reciprocating stirring assembly. The reciprocating stirring assembly is arranged above the rotating assembly. The rotating assembly includes a transmission rod rotatably connected to the bottom plate. The transmission rod and the first gear ring are driven by a gear set.

[0009] The rotary switching mechanism includes a switching disk rotatably connected between two adjacent arc-shaped conveying pipes. A rotating shaft rotates through the center of the switching disk, and both ends of the rotating shaft are fixedly connected to a fixed seat. Four activated carbon adsorption plates are evenly installed circumferentially inside the switching disk, and a worm gear ring is fixedly sleeved on the outside of the switching disk.

[0010] Preferably, four No. 1 spur gears arranged in a matrix and meshing with the outside of the No. 1 gear ring are provided on the top of the base plate by means of a rotational connection. A rotating rod is fixedly connected to the top center of the No. 1 spur gear, and a worm meshing with the worm gear ring is fixedly sleeved on the top of the rotating rod.

[0011] Preferably, a rotating disk is fixedly connected to the top of the transmission rod, and the reciprocating stirring assembly includes a rotating shaft that rotates through the bottom of the arc-shaped conveying pipe, a sealing rubber ring is provided between the rotating shaft and the arc-shaped conveying pipe, a swing rod is fixedly connected to the bottom of the rotating shaft, a limiting groove is provided in the middle of the swing rod, and a limiting pin is fixedly connected to the eccentric position of the rotating disk, and the limiting pin is slidably connected inside the limiting groove.

[0012] Preferably, a stirring rod is fixedly connected to the upper end face of the rotating shaft, connecting rods are hinged at both ends of the stirring rod, a slider is hinged at the end of the connecting rod away from the stirring rod, a rubber ring is fixedly connected to the side of the slider close to the inner center of the arc-shaped conveying tube, two arc-shaped slide rails are fixedly connected to the inner wall of the arc-shaped conveying tube symmetrically around the axis center of the rotating shaft, the slider is slidably connected to the arc-shaped slide rails, and stirring rods are fixedly connected to the centers of the two side walls of the stirring rod.

[0013] Preferably, the limit locking mechanism includes a No. 2 servo motor, a synchronous rotation component and a positioning locking component. The synchronous rotation component is arranged above the No. 2 servo motor, and the positioning locking component is arranged on the fixed seat. The No. 2 servo motor is fixedly connected to the bottom center of the top plate. The output end of the No. 2 servo motor rotates through the top of the top plate and is fixedly connected to a fixed plate. The outside of the fixed plate is fixedly sleeved with a No. 2 gear ring. The top of the top plate is rotatably connected to four winding wheels arranged in a matrix. The top of the winding wheel is fixedly connected to a No. 2 spur gear meshing with the No. 2 gear ring. The outside of the winding wheel is fixedly connected to a limit block, and the top of the top plate is rectangular and fixedly connected to four blocks.

[0014] Preferably, the positioning locking assembly includes a locking block fixedly connected to the switching disk, four clamping grooves are opened on the outer circumference of the locking block, a fixing bracket is fixedly connected to the top of the fixing seat, a spring telescopic rod is installed on the side of the horizontal section of the fixing bracket close to the switching disk for sliding up and down, a clamping roller is fixedly connected to the bottom of the spring telescopic rod, and a steel rope is fixedly connected to the top of the spring telescopic rod, and an inverted L-shaped rod is fixedly connected to the side of the horizontal section of the fixing bracket away from the switching disk, and the top of the inverted L-shaped rod is rotatably connected to a pulley for guiding and limiting the steel rope, and one end of the steel rope away from the spring telescopic rod is fixedly connected to the winding wheel.

[0015] Preferably, the arc-shaped conveying pipe located on the right front side is fixedly connected with a water outlet pipe and a water inlet pipe, both of which are connected to the inside of the arc-shaped conveying pipe, and a partition is fixedly connected between the water outlet pipe and the water inlet pipe inside the arc-shaped conveying pipe.

[0016] Preferably, the sealing and shut-off mechanism includes a fixed ring fixedly connected to the inner wall of the arc-shaped conveying pipe, a centripetal telescopic airbag is fixedly connected to the inner wall of the fixed ring, a transverse telescopic airbag is fixedly connected to the side of the fixed ring close to the switching disk, a sealing ring is fixedly connected to the side of the transverse telescopic airbag close to the switching disk, and the sealing ring is slidably connected to the inside of the arc-shaped conveying pipe.

[0017] Preferably, the top of the arc-shaped conveying tube is fixedly connected to one end near the switching disk with a No. 1 connector and a No. 2 connector, the No. 1 connector is connected to the centripetal telescopic airbag through a pipe, the No. 2 connector is connected to the transverse telescopic airbag through a pipe, and both the No. 1 connector and the No. 2 connector are connected to the air pump, and sealing rings are fixedly sleeved at both ends of the arc-shaped conveying tube, and the sealing rings fit the switching disk.

[0018] Preferably, a high-temperature furnace for high-temperature regeneration of the activated carbon adsorption plate is provided on the side of the switching disk away from the bottom plate, and a water tank is fixedly installed on the top of the high-temperature furnace away from the switching disk, and a water inlet pipe and an outlet pipe are fixedly connected on both sides of the top of the water tank.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. In the present invention, the paint production wastewater that needs to be decolorized is transported into the water through the water inlet pipe, and then passes through the activated carbon adsorption plates in the four rotating switching mechanisms for adsorption filtration in sequence, thereby realizing multi-stage adsorption filtration of the paint production wastewater and improving the wastewater treatment effect.

[0021] 2. When the adsorption effect of the activated carbon adsorption plate decreases, the present invention drives multiple switching disks to rotate synchronously in an integrated manner through the driving mechanism, and switches the new activated carbon adsorption plate to the working position, thereby realizing rapid switching of the activated carbon adsorption plate and improving work efficiency. The limit locking mechanism realizes precise positioning between the arc-shaped conveying pipe and the switching disk during the switching process. The switched activated carbon adsorption plate is rotated into the high-temperature furnace for high-temperature regeneration of the activated carbon, thereby realizing the recycling of the activated carbon plate and reducing resource waste. The heat generated by the high-temperature furnace is transported to the previous treatment process through the water tank, thereby realizing heat recovery.

[0022] 3. The present invention sets a stirring mechanism, and when the activated carbon adsorption plate is switched, the stirring mechanism is driven synchronously to clean the inside of the arc conveying pipe. The rotating component performs rotational stirring, and the reciprocating stirring component performs reciprocating motion, which effectively reduces the precipitation of impurities inside the arc conveying pipe and realizes self-cleaning of the arc conveying pipe.

[0023] 4. The present invention sets a sealing interception mechanism. When the rotating switching mechanism switches the activated carbon adsorption plate, the sealing interception mechanism intercepts the flow to avoid water leakage during switching. During normal conveying and filtration, the sealing interception mechanism seals the arc-shaped conveying pipe and the switching disk to avoid water leakage during conveying. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional top view of the overall structure of the present invention.

[0025] Figure 2 It is a three-dimensional bottom view of the overall structure of the present invention.

[0026] Figure 3 This is a three-dimensional diagram of the overall structure of the present invention after removing the high-temperature furnace.

[0027] Figure 4 For the present invention Figure 3 Enlarged schematic diagram of area A in the middle.

[0028] Figure 5 It is a partial cross-sectional view of the driving mechanism, stirring mechanism, rotation switching mechanism and arc-shaped conveying pipe of the present invention.

[0029] Figure 6 For the present invention Figure 5 Enlarged schematic diagram of area B in the middle.

[0030] Figure 7 It is a three-dimensional diagram of the bottom plate and stirring mechanism of the present invention.

[0031] Figure 8 It is a three-dimensional diagram of the rotary switching mechanism, the limit locking mechanism and the arc-shaped conveying pipe of the present invention.

[0032] Figure 9 For the present invention Figure 8 Enlarged schematic diagram of area C in the middle.

[0033] Figure 10 It is a cross-sectional view of the arc-shaped delivery pipe and the sealing interception mechanism of the present invention.

[0034] In the figure: 1. bottom plate; 2. driving mechanism; 21. servo motor No. 1; 22. spur gear No. 1; 23. gear ring No. 1; 24. rotating rod; 25. cross; 26. worm; 3. stirring mechanism; 31. rotating assembly; 311. transmission rod; 312. rotating disk; 32. reciprocating stirring assembly; 321. arc slide rail; 322. slider; 323. connecting rod; 324. stirring rod; 325. stirring rod; 326. rotating shaft; 327. rubber ring; 328. swing rod; 329. limit slot; 4. rotary switching mechanism; 41. switching disk; 42. activated carbon adsorption plate; 43. fixing seat; 44. worm gear ring; 45. rotating shaft; 5. mounting frame; 6. top plate; 7. limit locking mechanism; 71 , No. 2 servo motor; 72. Synchronous rotation assembly; 721. No. 2 spur gear; 722. No. 2 gear ring; 723. Fixed plate; 724. Winding wheel; 725. Limit block; 726. Stop block; 73. Positioning and locking assembly; 731. Steel rope; 732. Inverted L-shaped rod; 733. Pulley; 734. Fixed frame; 735. Spring telescopic rod; 736. Locking block; 737. Snap-in groove; 8. Arc-shaped conveying pipe; 9. Sealing and intercepting mechanism; 91. Centripetal telescopic airbag; 92. Fixed ring; 93. No. 1 connector; 94. No. 2 connector; 95. Sealing ring; 96. Horizontal telescopic airbag; 10. Water tank; 11. High-temperature furnace; 12. Sealing ring; 13. Water outlet pipe; 14. Water inlet pipe; 15. Partition. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] See also Figure 1 、 Figure 5 and Figure 6A paint production wastewater treatment system with heat recovery includes a bottom plate 1, a driving mechanism 2 is provided on the bottom plate 1, four arc-shaped conveying pipes 8 are fixedly connected to the top of the bottom plate 1 in a ring shape through a support plate, four stirring mechanisms 3 for rotating and stirring the paint production wastewater are provided between the arc-shaped conveying pipes 8 and the bottom plate 1, sealing interception mechanisms 9 are provided at both ends of the arc-shaped conveying pipes 8, and a rotation switching mechanism 4 is provided between two adjacent arc-shaped conveying pipes 8, a mounting bracket 5 is fixedly connected to the top of the arc-shaped conveying pipe 8, and the four mounting brackets 5 are fixedly connected to the top plate 6, and a limited position locking mechanism is provided between the top plate 6 and the rotation switching mechanism 4 Structure 7; the arc-shaped conveying pipe 8 located on the right front side is respectively fixedly connected with an outlet pipe 13 and a water inlet pipe 14, the outlet pipe 13 and the water inlet pipe 14 are both communicated with the interior of the arc-shaped conveying pipe 8, and the interior of the arc-shaped conveying pipe 8 is fixedly connected with a partition 15 between the outlet pipe 13 and the water inlet pipe 14. During use of the present invention, the paint production wastewater that needs to be decolorized after treatment is input from the outlet pipe 13, and the rotary switching mechanism 4 is used for multi-stage adsorption filtration. The limit locking mechanism 7 is used to position and lock the rotation switching angle of the rotary switching mechanism 4, and the stirring mechanism 3 is used to stir and clean the inside of the arc-shaped conveying pipe 8 to avoid impurity precipitation.

[0037] See also Figure 1 and Figure 3 The rotary switching mechanism 4 includes a switching disk 41 rotatably connected between two adjacent arc-shaped conveying pipes 8. A rotating shaft 45 rotates through the center of the switching disk 41. Both ends of the rotating shaft 45 are fixedly connected to a fixed seat 43. Four activated carbon adsorption plates 42 are evenly installed on the inner circumference of the switching disk 41, and a worm ring 44 is fixedly mounted on the outer side of the switching disk 41.

[0038] See also Figure 1 and Figure 10 The sealing and intercepting mechanism 9 includes a fixing ring 92 fixedly connected to the inner wall of the arc-shaped conveying pipe 8, and a centripetal telescopic airbag 91 is fixedly connected to the inner wall of the fixing ring 92. A transverse telescopic airbag 96 is fixedly connected to the side of the fixing ring 92 close to the switching disk 41, and a sealing ring 95 is fixedly connected to the side of the transverse telescopic airbag 96 close to the switching disk 41. The sealing ring 95 is slidably connected to the inside of the arc-shaped conveying pipe 8.

[0039] See also Figure 10 The top end of the arc-shaped conveying pipe 8 near the switching disk 41 is fixedly connected to the No. 1 connector 93 and the No. 2 connector 94. The No. 1 connector 93 is connected to the centripetal telescopic airbag 91 through a pipeline, and the No. 2 connector 94 is connected to the transverse telescopic airbag 96 through a pipeline. Both the No. 1 connector 93 and the No. 2 connector 94 are connected to the air pump. The two ends of the arc-shaped conveying pipe 8 are fixedly sleeved with sealing rings 12, and the sealing rings 12 fit the switching disk 41.

[0040] During the use of the sealing and intercepting mechanism 9, when it is necessary to transport sewage normally, the air pump will transport the gas to the transverse telescopic airbag 96 through the No. 2 connector 94, and the transverse telescopic airbag 96 will extend to drive the sealing ring 95 to be inserted between the switching disk 41 and the activated carbon adsorption plate 42. The sealing ring 95 is used to achieve the sealing between the arc conveying pipe 8 and the switching disk 41. At this time, the paint production sewage that needs to be decolorized enters the arc conveying pipe 8 from the water inlet pipe 14, and is then adsorbed and filtered through the activated carbon adsorption plates 42 in multiple switching disks 41, realizing multi-stage adsorption filtration of the paint production sewage and improving the sewage treatment effect. When the activated carbon adsorption plate 42 needs to be rotated and switched, the air pump will transport the gas to the centripetal telescopic airbag 91 through the No. 1 connector 93, and the centripetal telescopic airbag 91 will extend centripetally, and the centripetal telescopic airbag 91 will be used to intercept the arc conveying pipe 8.

[0041] See also Figure 2 、 Figure 3 、 Figure 8 and Figure 9 The limit locking mechanism 7 includes a No. 2 servo motor 71, a synchronous rotation component 72 and a positioning locking component 73. The synchronous rotation component 72 is arranged above the No. 2 servo motor 71, and the positioning locking component 73 is arranged on the fixed seat 43. The No. 2 servo motor 71 is fixedly connected to the bottom center of the top plate 6. The output end of the No. 2 servo motor 71 rotates through the top of the top plate 6 and is fixedly connected to a fixed plate 723. The outside of the fixed plate 723 is fixedly sleeved with a No. 2 gear ring 722. The top of the top plate 6 is rotatably connected to four winding wheels 724 arranged in a matrix. The top of the winding wheel 724 is fixedly connected to a No. 2 spur gear 721 that meshes with the No. 2 gear ring 722. The outside of the winding wheel 724 is fixedly connected to a limiting block 725, and the top of the top plate 6 is fixedly connected to four blocks 726 in a rectangular shape.

[0042] See also Figure 3 、 Figure 4 and Figure 9 When the lock is in the state of being, the latch of the inverted latch is in the state of being grasped by the latch and the control button 73 on the left, and the latch of the inverted latch is in the state of being grasped by the latch. When the lock is in the state of being grasped, the control button 734 on the left and the control button 736 on the right are pressed downwards, thereby manually adjusting the latch to adjust the position of the inverted latch.

[0043] After the first gear 723 is in the lock state, the second gear 723 is in the lock state, and the second gear 723 is in the lock state, so that the second gear 723 can be locked.

[0044] See also Figure 2 、 Figure 3 and Figure 5 The driving mechanism 2 includes a No. 1 servo motor 21 fixedly connected to the bottom center of the base plate 1. The output end of the No. 1 servo motor 21 rotates through the top of the base plate 1 and is fixedly connected to a cross 25. The outside of the cross 25 is fixedly sleeved with a No. 1 gear ring 23; four No. 1 spur gears 22 arranged in a matrix and meshing with the outside of the No. 1 gear ring 23 are provided on the top of the base plate 1 through a rotational connection. A rotating rod 24 is fixedly connected to the top center of the No. 1 spur gear 22. A worm 26 meshing with the worm gear ring 44 is fixedly sleeved on the top of the rotating rod 24.

[0045] During the switching process, the sealing intercepting mechanism 9 stops the water flow in the arc-shaped conveying pipe 8, and then the limit locking mechanism 7 releases the lock on the switching disk 41. At this time, the No. 1 servo motor 21 is started, and the output end of the No. 1 servo motor 21 drives the cross 25 and the No. 1 gear ring 23 thereon to rotate, and then synchronously drives the four No. 1 spur gears 22 and the rotating rod 24 thereon to rotate synchronously, and then synchronously drives the worm 26 to rotate, and then synchronously drives the worm ring 44 and the switching disk 41 to rotate around the rotating shaft 45, and synchronously drives the activated carbon adsorption plate 42 to rotate around the rotating shaft 45, thereby rotating the fully adsorbed activated carbon adsorption plate 42 away from the arc-shaped conveying pipe 8, and the new activated carbon adsorption plate 42 is rotated. The activated carbon adsorption plate 42 rotates into the arc-shaped conveying pipe 8. While the switching disk 41 rotates, the No. 2 servo motor 71 in the limit locking mechanism 7 reverses. At this time, under the action of the restoring force of the spring in the spring telescopic rod 735, the card roller fits against the outer wall of the locking block 736. As the switching disk 41 continues to rotate, the locking block 736 is synchronously driven to rotate, so that the card roller is carded and fixed to the card groove 737 under the drive of the spring telescopic rod 735, realizing the limit fixation of the rotation angle of the switching disk 41, ensuring that the new activated carbon adsorption plate 42 is accurately transferred into the arc-shaped conveying pipe 8, and realizing the accurate alignment of the activated carbon adsorption plate 42 after switching.

[0046] See also Figure 5 、 Figure 6 and Figure 7 The stirring mechanism 3 includes a rotating component 31 and a reciprocating stirring component 32. The reciprocating stirring component 32 is arranged above the rotating component 31. The rotating component 31 includes a transmission rod 311 rotatably connected to the bottom plate 1. The transmission rod 311 and the No. 1 gear ring 23 are transmitted through a gear set; the top of the transmission rod 311 is fixedly connected to a rotating disk 312, and the reciprocating stirring component 32 includes a rotating shaft 326 that rotates through the bottom of the arc-shaped conveying pipe 8. A sealing rubber ring is provided between the rotating shaft 326 and the arc-shaped conveying pipe 8. A swing rod 328 is fixedly connected to the bottom of the rotating shaft 326. A limiting groove 329 is provided in the middle of the swing rod 328. The eccentric position of the top of the rotating disk 312 is fixedly connected to a limiting pin, and the limiting pin is slidably connected to the inside of the limiting groove 329.

[0047] See also Figure 7 The upper end surface of the rotating shaft 326 is fixedly connected to a stirring rod 324, and connecting rods 323 are hinged at both ends of the stirring rod 324. A slider 322 is hinged at one end of the connecting rod 323 away from the stirring rod 324. A rubber ring 327 is fixedly connected to the side of the slider 322 close to the center of the inner side of the arc-shaped conveying pipe 8. Two arc-shaped slide rails 321 are fixedly connected to the inner wall of the arc-shaped conveying pipe 8 symmetrically around the axis center of the rotating shaft 326. The slider 322 is slidably connected to the arc-shaped slide rails 321, and a stirring rod 325 is fixedly connected to the center of the two side walls of the stirring rod 324.

[0048] When the stirring mechanism 3 is in use, when the No. 1 gear ring 23 in the driving mechanism 2 rotates, it synchronously drives the four gear sets to rotate synchronously, and then synchronously drives the transmission rod 311 and the rotating disk 312 thereon to rotate, and then drives the limit pin on the rotating disk 312 to rotate synchronously. The limit pin slides back and forth in the limit groove 329, thereby synchronously driving the swing rod 328 to swing back and forth around the rotating shaft 326, and then synchronously drives the stirring rod 324 and the stirring rod 325 thereon to rotate and stir reciprocally, and then synchronously drives the connecting rod 323 and the slider 322 thereon to reciprocate, thereby driving the slider 322 and the rubber ring 327 thereon to slide reciprocally along the arc slide rail 321, and the reciprocating motion of the rubber ring 327 drives the arc conveying pipe 8 to form a reciprocating vortex, thereby realizing self-cleaning of the inside of the arc conveying pipe 8 and avoiding the precipitation of impurities inside the arc conveying pipe 8.

[0049] See also Figure 1 and Figure 2 A high-temperature furnace 11 for high-temperature regeneration of the activated carbon adsorption plate 42 is provided on the side of the switching disk 41 away from the bottom plate 1. A water tank 10 is fixedly installed on the top of the high-temperature furnace 11 away from the switching disk 41, and a water inlet pipe and a discharge pipe are fixedly connected to both sides of the top of the water tank 10.

[0050] When the activated carbon adsorption plate 42 with reduced adsorption effect in the switching disk 41 is rotated and switched to the high-temperature furnace 11, the high-temperature furnace 11 is started at this time. Under high-temperature treatment, the organic matter and impurities adsorbed on the activated carbon adsorption plate 42 will undergo pyrolysis and oxidation, and detach from the activated carbon adsorption plate 42, thereby realizing the regeneration of the activated carbon adsorption plate 42, which is beneficial to the recycling of the activated carbon adsorption plate 42 and reduces resource waste. At the same time, the water tank 10 absorbs the high temperature of the high-temperature furnace 11 when it is working through the water inside it, and the heated water enters the previous process along the drain pipe. After the previous process absorbs the heat in the water, the cooled water circulates from the water inlet pipe into the water tank 10 again, realizing cyclic heat exchange utilization.

[0051] Working principle: During use, the present invention allows the paint production wastewater to be treated to enter the arc-shaped conveying pipe 8 from the water inlet pipe 14, and then undergoes multi-stage adsorption treatment through the activated carbon adsorption plates 42 in the four switching disks 41, thereby improving the treatment effect of the paint production wastewater. When it is necessary to switch the activated carbon adsorption plate 42, the limiting locking mechanism 7 first releases the locking fixation of the switching disk 41, and then the sealing intercepting mechanism 9 is used to intercept the water flow, and then the four switching disks 41 are synchronously driven by the driving mechanism 2 to perform integrated rotation switching, and the new activated carbon adsorption plate 42 is switched to the working area. At this time, the limiting locking mechanism 7 locks the switching disk 41, and the sealing intercepting mechanism 9 seals the switching disk 41 and the arc-shaped conveying pipe 8 to avoid water leakage. At the same time, the switched activated carbon adsorption plate 42 rotates into the high-temperature furnace 11, and the high-temperature furnace 11 is used to pyrolyze and oxidize the organic matter and impurities on the activated carbon adsorption plate 42, and detaches them from the activated carbon adsorption plate 42, thereby realizing the reuse of the activated carbon adsorption plate 42.

[0052] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A coating production wastewater treatment system with heat recovery, comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a driving mechanism (2), the top of the bottom plate (1) is fixedly connected to four arc-shaped conveying pipes (8) in an annular shape via a support plate, four stirring mechanisms (3) for rotating and stirring the paint production wastewater are provided between the arc-shaped conveying pipes (8) and the bottom plate (1), both ends of the arc-shaped conveying pipes (8) are provided with sealing interception mechanisms (9), and a rotation switching mechanism (4) is provided between two adjacent arc-shaped conveying pipes (8), the top of the arc-shaped conveying pipes (8) is fixedly connected to a mounting frame (5), the four mounting frames (5) are fixedly connected to a top plate (6), and a limited position locking mechanism (7) is provided between the top plate (6) and the rotation switching mechanism (4); The driving mechanism (2) comprises a servo motor (21) fixedly connected to the bottom center of the base plate (1), the output end of the servo motor (21) rotates through the top of the base plate (1) and is fixedly connected to a cross (25), and the outside of the cross (25) is fixedly sleeved with a gear ring (23); The stirring mechanism (3) comprises a rotating assembly (31) and a reciprocating stirring assembly (32), wherein the reciprocating stirring assembly (32) is arranged above the rotating assembly (31), and the rotating assembly (31) comprises a transmission rod (311) rotatably connected to the bottom plate (1), and the transmission rod (311) and the first gear ring (23) are driven by a gear set; The rotary switching mechanism (4) comprises a switching disk (41) rotatably connected between two adjacent arc-shaped conveying pipes (8); a rotating shaft (45) is rotatably passed through the center of the switching disk (41); two ends of the rotating shaft (45) are commonly fixedly connected to a fixing seat (43); four activated carbon adsorption plates (42) are evenly installed in the circumferential direction of the switching disk (41); and a worm gear ring (44) is sleeved and fixed on the outside of the switching disk (41).

2. A coating production wastewater treatment system with heat recovery according to claim 1, characterized in that: The top of the bottom plate (1) is provided with four No. 1 spur gears (22) arranged in a matrix and meshing with the outside of a No. 1 gear ring (23) by means of a rotational connection. A rotating rod (24) is fixedly connected to the center of the top of the No. 1 spur gear (22). A worm (26) meshing with a worm wheel ring (44) is fixedly sleeved on the top of the rotating rod (24).

3. A coating production wastewater treatment system with heat recovery according to claim 1, characterized in that: The top of the transmission rod (311) is fixedly connected to a rotating disk (312), and the reciprocating stirring assembly (32) comprises a rotating shaft (326) that rotates and passes through the bottom of the arc-shaped conveying pipe (8), a sealing rubber ring is provided between the rotating shaft (326) and the arc-shaped conveying pipe (8), a swing rod (328) is fixedly connected to the bottom of the rotating shaft (326), and a limiting groove (329) is provided in the middle of the swing rod (328), and a limiting pin is fixedly connected to the eccentric position of the rotating disk (312), and the limiting pin is slidably connected inside the limiting groove (329).

4. A coating production wastewater treatment system with heat recovery according to claim 3, characterized in that: The upper end surface of the rotating shaft (326) is fixedly connected to a stirring rod (324), and connecting rods (323) are respectively hinged at both ends of the stirring rod (324). A slider (322) is hinged at one end of the connecting rod (323) away from the stirring rod (324), and a rubber ring (327) is fixedly connected to the side of the slider (322) close to the inner center of the arc-shaped conveying pipe (8). Two arc-shaped slide rails (321) are fixedly connected to the inner wall of the arc-shaped conveying pipe (8) symmetrically around the axis center of the rotating shaft (326), and the slider (322) is slidably connected to the arc-shaped slide rails (321). Stirring rods (325) are fixedly connected to the center of the two side walls of the stirring rod (324).

5. A coating production wastewater treatment system with heat recovery according to claim 1, characterized in that: The limit locking mechanism (7) comprises a No. 2 servo motor (71), a synchronous rotation component (72) and a positioning locking component (73). The synchronous rotation component (72) is arranged above the No. 2 servo motor (71), and the positioning locking component (73) is arranged on a fixed seat (43). The No. 2 servo motor (71) is fixedly connected to the bottom center of the top plate (6). The output end of the No. 2 servo motor (71) rotates through the top of the top plate (6) and is fixedly connected to a fixing plate (723). The fixing plate (723) is fixedly sleeved with a No. 2 gear ring (722) on the outside. The top of the top plate (6) is rotatably connected to four winding wheels (724) arranged in a matrix. The top of the winding wheel (724) is fixedly connected to a No. 2 spur gear (721) meshing with the No. 2 gear ring (722). The winding wheel (724) is fixedly connected to a limit block (725) on the outside. The top of the top plate (6) is fixedly connected to four stop blocks (726) in a rectangular shape.

6. A coating production wastewater treatment system with heat recovery according to claim 5, characterized in that: The positioning locking assembly (73) comprises a locking block (736) fixedly connected to the switching disk (41), the locking block (736) being provided with four engaging grooves (737) in the circumferential direction of the outer portion, a fixing frame (734) being fixedly connected to the top of the fixing seat (43), a spring telescopic rod (735) being slidably mounted up and down on the side of the horizontal section of the fixing frame (734) close to the switching disk (41), a engaging roller being fixedly connected to the bottom of the spring telescopic rod (735), and a steel rope (731) being fixedly connected to the top of the spring telescopic rod (735), an inverted L-shaped rod (732) being fixedly connected to the side of the horizontal section of the fixing frame (734) away from the switching disk (41), a pulley (733) for guiding and limiting the steel rope (731) being rotatably connected to the top of the inverted L-shaped rod (732), and one end of the steel rope (731) away from the spring telescopic rod (735) is fixedly connected to the winding wheel (724).

7. A coating production wastewater treatment system with heat recovery according to claim 1, characterized in that: The arc-shaped conveying pipe (8) located on the right front side is respectively fixedly connected with a water outlet pipe (13) and a water inlet pipe (14); the water outlet pipe (13) and the water inlet pipe (14) are both connected to the inside of the arc-shaped conveying pipe (8); and a partition plate (15) is fixedly connected between the water outlet pipe (13) and the water inlet pipe (14) inside the arc-shaped conveying pipe (8).

8. A coating production wastewater treatment system with heat recovery according to claim 1, characterized in that: The sealing intercepting mechanism (9) comprises a fixing ring (92) fixedly connected to the inner wall of the arc-shaped conveying pipe (8), a centripetal telescopic airbag (91) fixedly connected to the inner wall of the fixing ring (92), a transverse telescopic airbag (96) fixedly connected to the side of the fixing ring (92) close to the switching disk (41), a sealing ring (95) fixedly connected to the side of the transverse telescopic airbag (96) close to the switching disk (41), and the sealing ring (95) slidably connected to the inside of the arc-shaped conveying pipe (8).

9. A coating production wastewater treatment system with heat recovery according to claim 8, characterized in that: A first joint (93) and a second joint (94) are fixedly connected to one end of the top of the arc-shaped delivery pipe (8) close to the switching disk (41), respectively; the first joint (93) is connected to the centripetal telescopic airbag (91) through a pipeline, and the second joint (94) is connected to the transverse telescopic airbag (96) through a pipeline, and both the first joint (93) and the second joint (94) are connected to an air pump; sealing rings (12) are fixedly sleeved at both ends of the arc-shaped delivery pipe (8), and the sealing rings (12) are fitted to the switching disk (41).

10. A coating production wastewater treatment system with heat recovery according to claim 1, characterized in that: A high-temperature furnace (11) for high-temperature regeneration of the activated carbon adsorption plate (42) is provided on one side of the switching disk (41) away from the bottom plate (1), a water tank (10) is fixedly installed on the top of the high-temperature furnace (11) on the side away from the switching disk (41), and a water inlet pipe and a discharge pipe are fixedly connected to both sides of the top of the water tank (10), respectively.

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