Printing and dyeing wastewater recycling device and treatment method thereof
Technical Field
The invention relates to the technical field of printing and dyeing wastewater recovery treatment, in particular to a printing and dyeing wastewater recovery treatment device and a treatment method thereof.
Background
The printing and dyeing industry is a large household with water consumption. Printing and dyeing wastewater is always a key point and a difficult point of wastewater treatment process research due to large discharge amount and high treatment difficulty. Meanwhile, with the rapid development of the economy in China, the shortage of water resources has become a limiting factor for restricting the further development of the printing and dyeing industry in China. In order to realize sustainable development of the printing and dyeing industry, recycling of printing and dyeing wastewater becomes a key for realizing the aim. At present, high efficiency, energy conservation and environmental protection are development trends of the cloth printing and dyeing industry, and wastewater generated in cloth printing and dyeing needs to be recycled to reach emission standards, which is of great significance to environmental protection.
The current printing and dyeing wastewater recovery processing apparatus, like bulletin number CN210138513U, the name is a cloth printing and dyeing wastewater recovery processing apparatus, including the rose box that is used for cloth printing and dyeing wastewater treatment and the second filter that is located the rose box, the slope of second filter sets up, and the rose box part of second filter top is equipped with the lift cylinder that can reciprocate, and the lift cylinder bottom is equipped with first filter, lift cylinder upper end and the inlet pipe intercommunication of setting outside the rose box, and the outside cover of inlet pipe is equipped with the sleeve.
However, the existing printing and dyeing wastewater recovery treatment device only carries out filtration treatment on wastewater, has low transduction efficiency and high treatment cost in the filtration process, and therefore, the printing and dyeing wastewater recovery treatment device and the treatment method thereof are provided.
Disclosure of Invention
The invention aims to provide a printing and dyeing wastewater recycling device and a printing and dyeing wastewater recycling method, which are used for solving the problems that the conventional printing and dyeing wastewater recycling device provided in the background art only carries out filtering treatment on wastewater, and has low energy conversion efficiency and high treatment cost in the filtering process.
In order to achieve the above purpose, the present invention provides the following technical solutions: the device comprises a heat exchange mechanism, wherein a first water inlet pipe is arranged on one side of the upper end of the heat exchange mechanism, and a first water outlet pipe is arranged on the other side of the upper end of the heat exchange mechanism;
further comprises:
the second water inlet pipe is arranged at one end of the first water outlet pipe, a feeding end cover is arranged at one end of the second water inlet pipe, a transduction cylinder is arranged at one end of the feeding end cover, a discharging end cover is arranged at one end of the transduction cylinder, and a second water outlet pipe is arranged at one end of the discharging end cover;
the transmission cover is arranged above the transduction cylinder, the rear end of the transmission cover is provided with a generator, and the lower surface of the generator is fixedly connected with the transduction cylinder;
the device comprises a bearing disc, a filter screen, a rotating shaft, a transmission cover, a third bevel gear, a rotor of a generator, a fourth bevel gear and a fourth bevel gear, wherein the bearing disc is arranged in the transduction cylinder, the filter disc is arranged in the bearing disc, the filter screen is arranged in the filter disc, the rotating shaft is arranged at the periphery of the inside of the filter screen, the eight capacity balls are arranged at the middle position of the rear end of the filter disc, the transmission shaft is arranged at one end of the transmission shaft, the bar-shaped transmission chamber is externally arranged, the upper end of the bar-shaped transmission chamber is fixedly connected with the inner wall of the transduction cylinder, the first bevel gear is arranged on the outer wall of the transmission shaft, the first bevel gear is arranged in the bar-shaped transmission chamber, the second bevel gear is arranged at the upper end of the first bevel gear, the rotating shaft is arranged at the upper end of the second bevel gear, the upper end of the rotating shaft penetrates through and extends to the inside of the transmission cover, the third bevel gear is arranged, the rotor of the generator penetrates through and extends to the inside of the transmission cover, the fourth bevel gear is arranged, and the fourth bevel gear is meshed and connected with the third bevel gear;
the printing and dyeing wastewater after heat exchange enters the transduction cylinder and passes through the filter disc, solid impurities in the wastewater are preliminarily filtered through the filter screen, the wastewater continuously advances and simultaneously impacts the paddles, the paddles rotate under the action of water flow impact, the transmission shaft drives the filter disc to rotate on one hand, a plurality of energy-producing balls in the filter disc rotate to enable the energy-producing balls to follow the rotation motion, the ball core in the energy-producing balls rotate at a high speed under the action of centrifugal force, electricity is generated by the generator in the ball core and stored in the external electric storage equipment, on the other hand, the transmission shaft rotates and simultaneously drives the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gear to drive the rotating shaft and the third bevel gear to rotate, and the transmission shaft is meshed with the fourth bevel gear to enable the generator rotor to rotate to generate electricity, and when the water body can be continuously disturbed due to the rotation of the filter disc under the action of the paddles and the transmission shaft, on the one hand, the self-rotation of the filter disc can effectively avoid the accumulation of particles on the surface of the filter disc, and the occurrence of blockage.
Preferably, the lower extreme of bar drive room is installed the extension board, the collecting ring is installed to the upper end of extension board, and the collecting ring is located the outside of transmission shaft, adjacent through electric connection pole electric connection between the productivity ball, electric connection pole and collecting ring electric connection, collecting ring and external power storage equipment electric connection.
Preferably, the middle position of the inner wall of the energy-producing ball is provided with a track groove, the inner part of the inner wall of the energy-producing ball is provided with a ball core, the outer wall of the ball core is provided with a ball core track, the ball core track is in sliding connection with the track groove, and the inner part of the ball core is provided with a generator.
Preferably, the front end of the lower part of the transduction cylinder is provided with a impurity removing opening, an electric control valve is arranged in the impurity removing opening, a valve control motor is arranged on the outer wall of the impurity removing opening, the valve control motor is in transmission connection with the electric control valve, and the lower end of the impurity removing opening is provided with a flexible air duct hose.
Preferably, the connection part of the bearing disc and the filter disc is provided with balls, and the balls are provided with a plurality of balls.
Preferably, the sealing plate is installed to one side of heat transfer mechanism, the heat transfer liquid advances the pipe is installed to the upper end of sealing plate, the heat transfer liquid exit tube is installed to the lower extreme of sealing plate, the baffle is installed to the inside intermediate position department of heat transfer mechanism, and the upper end and the heat transfer mechanism inner wall fixed connection of baffle, one side of baffle is provided with the zigzag baffle, and the both ends of zigzag baffle are linked together with heat transfer liquid advances pipe and heat transfer liquid exit tube respectively, install first baffling board on the outer wall of baffle, and first baffling board is provided with a plurality of, be provided with the second baffling board on the inner wall of sealing plate, and the second baffling board is provided with a plurality of, be provided with the draw-in groove on the outer wall of zigzag baffle, the inside of draw-in groove is provided with the sealing pad, the sealing plate edge is connected with heat transfer mechanism through the screw, and during operation by the pumping mechanism with printing and dyeing wastewater from inside first inlet tube pump into heat transfer mechanism, when entering heat transfer liquid is gone into the heat transfer mechanism by another group's pump machine and the heat transfer liquid is gone into the heat transfer liquid baffle and the baffle is followed the heat transfer liquid and is flowed along the baffle and is discharged outside the baffle, the heat transfer liquid is fully flows along the baffle outside the baffling board.
Preferably, a temperature sensor is installed on the heat exchange liquid outlet pipe, and a detection end of the temperature sensor penetrates through and extends to the inside of the heat exchange liquid outlet pipe.
Preferably, a temperature-adjusting ceramic jacket is arranged on the outer wall of the heat exchange liquid outlet pipe, an electric heating wire is arranged on the inner wall of the temperature-adjusting ceramic jacket, a heat conducting pad is arranged on the inner wall of the electric heating wire, and a controller is arranged on the outer wall of the temperature-adjusting ceramic jacket.
Preferably, the first flange is all installed to the tip of first inlet tube and first outlet pipe, the third flange is all installed to the tip of second outlet pipe and second inlet tube, the both ends of transduction section of thick bamboo all are connected with ejection of compact end cover and feeding end cover through the second flange.
Preferably, a treatment method of a printing and dyeing wastewater recovery treatment device comprises the following steps:
step one: pumping the printing and dyeing wastewater into the heat exchange mechanism from a first water inlet pipe by a pumping mechanism, pumping the heat exchange liquid into a heat exchange liquid inlet pipe by another group of pumping machines while the wastewater enters the heat exchange mechanism, baffling and advancing the printing and dyeing wastewater under the blocking and guiding effects of a baffle plate and a baffle plate in the heat exchange mechanism, enabling the heat exchange liquid to flow along a snake-shaped baffle pipe in a meandering manner, enabling a plurality of fins on the outer wall of the snake-shaped baffle pipe to fully contact with the printing and dyeing wastewater flowing outside, absorbing heat energy in the printing and dyeing wastewater, and discharging the heat energy from the heat exchange liquid outlet pipe;
step two: discharging the printing and dyeing wastewater subjected to heat exchange from a first water outlet pipe, enabling the printing and dyeing wastewater entering the transduction cylinder to pass through a filter disc along a second water inlet pipe, primarily filtering solid impurities in the printing and dyeing wastewater through a filter screen, continuously advancing the printing and dyeing wastewater after passing through the filter disc, and simultaneously impacting paddles, wherein the paddles rotate under the action of water flow impact, on one hand, a transmission shaft drives the filter disc to rotate, so that a plurality of energy-producing balls in the filter disc follow rotation, on the other hand, the ball cores in the energy-producing balls rotate at high speed under the action of centrifugal force, electricity is generated by a generator in the ball cores and stored in an external electricity storage device, on the other hand, the transmission shaft rotates and simultaneously drives a first bevel gear to rotate, and the first bevel gear is meshed with the second bevel gear to drive a rotating shaft and a third bevel gear to rotate and meshed with a fourth bevel gear to enable a generator rotor to rotate to generate electricity;
step three: printing and dyeing wastewater after transduction of the transduction cylinder is discharged along the second water outlet pipe, enters the next treatment and is relieved, after the wastewater treatment is finished, an electric control valve in a impurity removing port is opened through a valve control motor, and particle impurities in the transduction cylinder, which are filtered by a filter screen, are cleaned by means of an exhaust device externally connected with a flexible air duct hose.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through arranging the energy exchange cylinder, printing and dyeing wastewater firstly enters the energy exchange cylinder after heat exchange treatment, the printing and dyeing wastewater entering the energy exchange cylinder passes through the filter disc and is subjected to preliminary filtration of solid impurities in the interior through the filter screen, and the printing and dyeing wastewater continuously advances and simultaneously impacts the paddles which rotate under the action of water flow impact after passing through the filter disc, on one hand, the transmission shaft drives the filter disc to rotate, so that a plurality of energy producing balls in the filter disc move along with rotation, on the other hand, the ball cores in the energy producing balls rotate at high speed under the action of centrifugal force, electricity is generated by the generator in the ball cores and stored in the external electricity storage equipment, on the other hand, the transmission shaft rotates and simultaneously drives the first bevel gear to rotate, and the first bevel gear and the second bevel gear are meshed and driven to rotate, so that the generator rotor rotates to generate electricity with the fourth bevel gear, the two power generation modes synchronously generate electricity, so that the energy conversion efficiency is remarkably improved, and the energy consumption is saved, and the problems of low energy conversion efficiency and high treatment cost in the filtering process of the existing printing and dyeing wastewater recovery treatment device are solved.
When filtering, because of the filter disc rotates under paddle and transmission shaft effect, can satisfy two sets of power generation system's electricity generation demand on the one hand, on the other hand the autogyration of filter disc can last disturbance water, can effectively avoid the particulate matter to pile up on the filter disc surface, causes the condition of jam to take place, after wastewater treatment finishes, opens the automatically controlled valve in the edulcoration mouth through the valve accuse motor, relies on the external updraft ventilator of flexible wind channel hose to clear up by the filterable particulate impurity of filter screen in the section of thick bamboo of transduction.
Before treatment, because the discharge temperature of the printing and dyeing wastewater is usually forty ℃, when the pumping mechanism pumps the printing and dyeing wastewater into the heat exchange mechanism from the first water inlet pipe, the heat exchange liquid is pumped into the heat exchange liquid inlet pipe by the other group of pumping machines, the printing and dyeing wastewater is baffled to advance under the baffle guiding action of the baffle plate and the baffle plate in the heat exchange mechanism, the heat exchange liquid flows along the snake-shaped baffle pipe in a meandering way, and the fins on the outer wall of the snake-shaped baffle pipe are fully contacted with the printing and dyeing wastewater flowing outside, so that the heat energy in the printing and dyeing wastewater is absorbed and then discharged from the heat exchange liquid outlet pipe, and the energy utilization rate is further improved.
Through installing temperature sensor on the heat exchange liquid exit tube to install the ceramic jacket that adjusts the temperature on the outer wall of heat exchange liquid exit tube, install electric heating wire on the inner wall of ceramic jacket that adjusts the temperature, be provided with the heat conduction pad on the inner wall of electric heating wire, heat exchange liquid can be by temperature sensor detected temperature, according to temperature sensor's detected temperature, can start electric heating wire as required, continue to heat up the heat exchange liquid, in order to satisfy the user demand, improve the flexibility.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the heat exchange mechanism of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of the present invention;
FIG. 4 is a schematic view of the internal structure of the temperature-regulating ceramic jacket of the invention;
FIG. 5 is a schematic view of a partial structure of a transducer cartridge of the present invention;
FIG. 6 is a schematic view of the internal structure of the cartridge of the present invention;
FIG. 7 is a schematic diagram of a generator drive configuration of the present invention;
FIG. 8 is a schematic diagram of the front structure of a filter tray of the present invention;
FIG. 9 is a schematic diagram of the internal structure of the ball according to the present invention;
in the figure: 1. a heat exchange mechanism; 2. a first water inlet pipe; 3. a first water outlet pipe; 4. a first flange; 5. a heat exchange liquid inlet pipe; 6. a heat exchange liquid outlet pipe; 7. a temperature sensor; 8. a temperature-regulating ceramic jacket; 9. a controller; 10. a transduction cylinder; 11. a discharge end cover; 12. a second flange; 13. a second water outlet pipe; 14. a third flange; 15. a transmission cover; 16. a generator; 17. removing impurities; 18. a valve controlled motor; 19. a flexible duct hose; 20. a partition plate; 21. a first baffle; 22. a sealing plate; 23. a serpentine deflector tube; 24. a second baffle; 25. a fin; 26. a clamping groove; 27. a sealing gasket; 28. a screw; 29. an electric heating wire; 30. a thermal pad; 31. a feed end cap; 32. a second water inlet pipe; 33. a bearing plate; 34. a filter tray; 35. a ball; 36. a capacity ball; 361. a track groove; 362. a ball core track; 363. a core; 364. a power generator; 37. a power receiving rod; 38. a transmission shaft; 39. a paddle; 40. a strip-shaped transmission chamber; 41. a support plate; 42. a collecting ring; 43. a first bevel gear; 44. a second bevel gear; 45. a rotating shaft; 46. a third bevel gear; 47. a fourth bevel gear; 48. and (3) a filter screen.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-9, an embodiment of the present invention is provided: the device comprises a heat exchange mechanism 1, wherein a first water inlet pipe 2 is arranged on one side of the upper end of the heat exchange mechanism 1, and a first water outlet pipe 3 is arranged on the other side of the upper end of the heat exchange mechanism 1;
further comprises:
the second water inlet pipe 32 is arranged at one end of the first water outlet pipe 3, a feeding end cover 31 is arranged at one end of the second water inlet pipe 32, a transduction cylinder 10 is arranged at one end of the feeding end cover 31, a discharging end cover 11 is arranged at one end of the transduction cylinder 10, and a second water outlet pipe 13 is arranged at one end of the discharging end cover 11;
the transmission cover 15 is arranged above the transduction cylinder 10, the rear end of the transmission cover 15 is provided with a generator 16, and the lower surface of the generator 16 is fixedly connected with the transduction cylinder 10;
the bearing disc 33 is installed inside the transduction cylinder 10, the filter disc 34 is installed inside the bearing disc 33, the filter screen 48 is installed inside the filter disc 34, the capacity balls 36 are arranged around the inside of the filter screen 48, eight capacity balls 36 are arranged, the transmission shaft 38 is installed at the middle position of the rear end of the filter disc 34, the paddle 39 is installed at one end of the transmission shaft 38, the strip-shaped transmission chamber 40 is installed outside the transmission shaft 38, the upper end of the strip-shaped transmission chamber 40 is fixedly connected with the inner wall of the transduction cylinder 10, the first bevel gear 43 is installed on the outer wall of the transmission shaft 38, the first bevel gear 43 is arranged inside the strip-shaped transmission chamber 40, the second bevel gear 44 is installed at the upper end of the first bevel gear 43, the rotating shaft 45 is installed at the upper end of the second bevel gear 44, the upper end of the rotating shaft 45 penetrates and extends to the inside of the transmission cover 15, the third bevel gear 46 is installed, the rotor of the generator 16 penetrates and extends to the inside of the transmission cover 15, and the fourth bevel gear 47 is installed, and the fourth bevel gear 47 is in meshed connection with the third bevel gear 46;
in use, the printing and dyeing wastewater after heat exchange is discharged from the first water outlet pipe 3, enters the transduction cylinder 10 along the second water inlet pipe 32, passes through the filter disc 34, passes through the filter screen 48 to primarily filter solid impurities in the transduction cylinder 10, and after passing through the filter disc 34, the printing and dyeing wastewater continuously advances and simultaneously impacts the blades 39, the blades 39 rotate under the impact of water flow, on one hand, the filter disc 34 is driven to rotate through the transmission shaft 38, so that a plurality of capacity balls 36 in the filter disc 34 follow the rotation, the ball core 363 in the energy-producing ball 36 rotates at a high speed under the action of centrifugal force, electricity is generated by the generator 364 in the ball core 363 and stored in the external power storage equipment, on the other hand, the transmission shaft 38 rotates and drives the first bevel gear 43 to rotate, the first bevel gear 43 and the second bevel gear 44 are meshed for transmission, the rotating shaft 45 and the third bevel gear 46 are driven to rotate, and the fourth bevel gear 47 is meshed for transmission, so that the rotor of the generator 16 rotates to generate electricity, and the effect of high efficiency and energy conservation is achieved.
Referring to fig. 7, a support plate 41 is installed at the lower end of the strip-shaped transmission chamber 40, a collecting ring 42 is installed at the upper end of the support plate 41, the collecting ring 42 is located outside the transmission shaft 38, adjacent capacity balls 36 are electrically connected through a conductive rod 37, the conductive rod 37 is electrically connected with the collecting ring 42, the collecting ring 42 is electrically connected with external power storage equipment, a slip ring structure is arranged in the collecting ring 42, the stability of power supply of the capacity balls 36 when the filter disc 34 rotates can be improved, and strain caused by the wires in the rotating process is avoided.
Referring to fig. 9, a track groove 361 is provided in the middle position of the inner wall of the energy-producing ball 36, a ball core 363 is provided in the inner wall of the energy-producing ball 36, a ball core track 362 is provided on the outer wall of the ball core 363, the ball core track 362 is slidably connected with the track groove 361, a generator 364 is installed in the ball core 363, and when the filter disc 34 rotates, the plurality of energy-producing balls 36 in the inner can follow the rotation movement, the ball core 363 in the energy-producing ball 36 rotates at a high speed under the action of centrifugal force, and electricity is generated by the generator 364 in the ball core 363 and stored in an external electricity storage device.
Referring to fig. 5, a trash opening 17 is installed at the front end below the transduction cylinder 10, an electric control valve is installed in the trash opening 17, a valve control motor 18 is installed on the outer wall of the trash opening 17, the valve control motor 18 is in transmission connection with the electric control valve, a flexible air duct hose 19 is installed at the lower end of the trash opening 17, after wastewater treatment is completed, the electric control valve in the trash opening 17 is opened through the valve control motor 18, and particle impurities filtered by a filter screen 48 in the transduction cylinder 10 are cleaned by means of an exhaust device externally connected with the flexible air duct hose 19.
Referring to fig. 6, balls 35 are installed at the connection between the bearing plate 33 and the filter plate 34, and a plurality of balls 35 are provided, so that the rotation accuracy of the filter plate 34 can be improved by the plurality of balls 35 on the inner wall of the bearing plate 33 when the filter plate 34 rotates along with the paddles 39 and the transmission shaft 38.
Referring to fig. 2, a sealing plate 22 is installed on one side of the heat exchange mechanism 1, a heat exchange liquid inlet pipe 5 is installed at the upper end of the sealing plate 22, a heat exchange liquid outlet pipe 6 is installed at the lower end of the sealing plate 22, a partition plate 20 is installed at the middle position inside the heat exchange mechanism 1, the upper end of the partition plate 20 is fixedly connected with the inner wall of the heat exchange mechanism 1, a snake-shaped baffle pipe 23 is arranged on one side of the partition plate 20, two ends of the snake-shaped baffle pipe 23 are respectively communicated with the heat exchange liquid inlet pipe 5 and the heat exchange liquid outlet pipe 6, a first baffle plate 21 is installed on the outer wall of the partition plate 20, the first baffle plate 21 is provided with a plurality of second baffle plates 24, the second baffle plates 24 are provided with a plurality of baffle plates, fins 25 are arranged on the outer wall of the sealing plate 22, a plurality of fins 25 are arranged on the outer wall of the snake-shaped baffle pipe 23, the joint of the edge of the sealing plate 22 and the heat exchange mechanism 1 is provided with a clamping groove 26, the edge of the sealing plate 22 is connected with the heat exchange mechanism 1 through a screw 28, and the structure of the snake-shaped baffle pipe 23 is adopted, so that the travelling distance of heat exchange liquid in the heat exchange mechanism 1 can be prolonged, the printing and dyeing time is more thorough.
Referring to fig. 4, a temperature sensor 7 is installed on the heat exchange liquid outlet pipe 6, and a detection end of the temperature sensor 7 penetrates through and extends to the inside of the heat exchange liquid outlet pipe 6, and the temperature sensor 7 can detect the temperature of the heat exchange liquid after heat exchange.
Referring to fig. 4, a temperature-adjusting ceramic jacket 8 is installed on the outer wall of the heat exchange liquid outlet pipe 6, an electric heating wire 29 is installed on the inner wall of the temperature-adjusting ceramic jacket 8, a heat conducting pad 30 is arranged on the inner wall of the electric heating wire 29, a controller 9 is installed on the outer wall of the temperature-adjusting ceramic jacket 8, and the electric heating wire 29 can be started according to the detection temperature of the temperature sensor 7 to continuously heat the heat exchange liquid according to the requirement, so that the use requirement is met, and the flexibility is improved.
Referring to fig. 1 and 5, the first flange 4 is installed at the end portions of the first water inlet pipe 2 and the first water outlet pipe 3, the third flange 14 is installed at the end portions of the second water outlet pipe 13 and the second water inlet pipe 32, two ends of the transduction cylinder 10 are connected with the discharge end cover 11 and the feed end cover 31 through the second flange 12, and the whole processing device is in flange connection, so that the disassembly and assembly are convenient, and the overhaul is convenient.
Referring to fig. 1 to 9, a treatment method of a printing and dyeing wastewater recovery treatment device includes the following steps:
step one: pumping the printing and dyeing wastewater into the heat exchange mechanism 1 from the first water inlet pipe 2 by a pumping mechanism, pumping heat exchange liquid into the heat exchange liquid inlet pipe 5 by another group of pumping machines while the wastewater enters the heat exchange mechanism 1, baffling and advancing the printing and dyeing wastewater under the barrier guiding action of a baffle plate 20 and a baffle plate in the heat exchange mechanism 1, enabling the heat exchange liquid to flow along a snake-shaped baffle pipe 23 in a meandering manner, enabling a plurality of fins 25 on the outer wall of the snake-shaped baffle pipe 23 to fully contact with the printing and dyeing wastewater flowing outside, absorbing heat energy in the printing and dyeing wastewater, and discharging the heat energy from the heat exchange liquid outlet pipe 6;
step two: the printing and dyeing wastewater after heat exchange is discharged from the first water outlet pipe 3, enters the transduction cylinder 10 along the second water inlet pipe 32, passes through the filter disc 34 and is subjected to preliminary filtration of solid impurities in the transduction cylinder 10 through the filter screen 48, and the printing and dyeing wastewater continuously moves forward and simultaneously impacts the paddles 39 after passing through the filter disc 34, the paddles 39 rotate under the impact of water flow, on one hand, the transmission shaft 38 drives the filter disc 34 to rotate so that a plurality of capacity balls 36 in the filter disc 34 follow the rotation movement, the ball cores 363 in the capacity balls 36 rotate at high speed under the action of centrifugal force, the electricity is generated by the generator 364 in the ball cores 363 and is stored in external power storage equipment, on the other hand, the transmission shaft 38 rotates and simultaneously drives the first bevel gear 43 to rotate, the first bevel gear 43 is meshed and transmitted with the second bevel gear 44 to drive the rotary shaft 45 and the third bevel gear 46 to rotate, and the fourth bevel gear 47 is meshed and transmitted with the rotor of the generator 16 to generate electricity;
step three: the printing and dyeing wastewater after being converted by the converting cylinder 10 is discharged along the second water outlet pipe 13, enters the next treatment and is relieved, after the wastewater treatment is finished, an electric control valve in the impurity removing port 17 is opened through the valve control motor 18, and particle impurities in the converting cylinder 10, which are filtered by the filter screen 48, are cleaned by means of an exhaust device externally connected with the flexible air duct hose 19.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.