An integrated recycling treatment equipment for wastewater from handicraft cleaning

Abstract

This invention relates to the field of wastewater treatment equipment and discloses an integrated recycling treatment device for wastewater from craft washing. The device includes a treatment platform. Fixed interfaces are installed on the inner walls of both sides of a movable frame one. A gear three is installed at one end of a fixed rod. A worm gear is installed at one end of a rotating frame two. A gear two is installed at one end of the rotating frame one. A gear one is installed in the middle of a threaded rod. Movable interfaces are threaded to both sides of multiple threaded rods. A flexible hose is installed on the outer wall between two movable interfaces. Springs one are installed at both the upper and lower ends of the fixed frame one. By rotating the rotating frame two, the locking between the fixed interfaces and the movable interfaces is released. Then, rotating the rotating frame one causes the four threaded rods to simultaneously pull the movable interfaces away from the fixed interfaces. Subsequently, the two fixed frames one are moved away from the inner wall of the treatment platform, allowing the bottom moving wheels to move the wastewater tank off the treatment platform for easy inspection or maintenance of the wastewater treatment equipment.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment equipment, specifically an integrated recycling treatment device for wastewater from the cleaning of handicrafts. Background Technology

[0002] At present, a large amount of water-based ink wastewater is generated during the printing production process. This type of wastewater contains pigments, resins, surfactants and various additives. It has high viscosity, high suspended solids content and dark color. The industry generally uses integrated wastewater treatment equipment to treat it centrally.

[0003] Existing equipment typically designs all functional units to be compactly arranged within a single enclosure. This layout results in crisscrossing internal piping, making the internal space cramped and causing significant inconvenience for routine inspections, component replacements, or troubleshooting. Maintenance personnel often find it difficult to operate the equipment and need to dismantle a large number of external pipes to open the filter tank.

[0004] The inventors of this application discovered in their research that the core defect of the aforementioned prior art lies in the fact that the filter tank is difficult for maintenance personnel to operate and requires the disassembly of a large number of external pipelines to open. Summary of the Invention

[0005] This invention provides an inventive device that solves the problem of needing to disassemble a large number of external pipes to open the filter tank in wastewater treatment equipment, thereby facilitating the inspection or maintenance of wastewater treatment equipment.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an integrated recycling treatment device for wastewater from the cleaning of handicrafts, comprising a treatment table, wherein a movable frame two and multiple movable frames one are slidably connected to the inner wall of the treatment table, and two movable wheels are installed at the bottom ends of both movable frames one and two. Fixed interfaces are installed on the inner walls of both sides of the movable frames one, and a transmission ring two and multiple fixed rods are rotatably connected to the inner wall of the fixed interfaces. A gear three is installed at one end of each fixed rod. Rotating frames two are rotatably connected to both sides of the movable frames one, and one end of each rotating frame two is equipped with... Equipped with a worm gear, the inner wall of the processing table is fitted with multiple support frames. The outer wall of each support frame is rotatably connected to a transmission ring, multiple threaded rods, and a rotating frame. One end of the rotating frame is fitted with a gear, and the middle of each threaded rod is fitted with a gear. Both sides of each threaded rod are threaded with a movable interface. A flexible hose is installed on the outer wall between two movable interfaces. Both the outer walls of the fixed interface and the movable interface are fitted with sealing rings. One end of each movable frame and movable frame 2 is slidably connected to two fixed frames. Both the upper and lower ends of each fixed frame are fitted with springs.

[0007] By adopting the above technical solution: rotating the rotating frame two causes it to drive the four gears three and the fixed rod to rotate through the worm gear and the transmission ring two, so that the fixed interface and the moving interface are no longer fixed. Rotating the rotating frame one causes it to drive the four gears one and the threaded rod to rotate through the gear two and the sealing ring, so that the four threaded rods together drive the moving interfaces on both sides away from the fixed interface. Then, the two fixed frames one are moved away from the inner wall of the treatment table, so that the moving frame one or the moving frame two is no longer fixed to the treatment table. And through the moving wheels at the bottom, the wastewater pool on the moving frame one or the moving frame two is moved out of the inside of the treatment table, thereby achieving the effect of facilitating the inspection or maintenance of the wastewater treatment equipment.

[0008] Preferably, both the second movable frame and the inner wall of one end of the processing table are equipped with fixed interfaces, and the inner wall of one end of the processing table is rotatably connected to a third rotating frame, one of which is a worm gear installed at one end of the third rotating frame.

[0009] Preferably, the plurality of gears are meshed on the inner ring tooth end of the transmission ring two, and the worm gear is meshed on the outer ring tooth end of the transmission ring two.

[0010] Preferably, multiple gears are meshed on the inner ring tooth end of the transmission ring, and gears are meshed on the outer ring tooth end of the transmission ring.

[0011] Preferably, the mobile interface is slidably connected to the outer wall of the fixed interface, and a plurality of fixed rods are slidably connected to the outer wall of the mobile interface. One end of each fixed rod is provided with a ramp, which contacts the outer wall of the mobile interface.

[0012] Preferably, a plurality of springs are respectively disposed on the inner walls of the movable frame 1 and the movable frame 2, and a plurality of fixed frames are slidably connected to the inner wall of the processing table.

[0013] Preferably, the inner wall of the processing table is provided with a stabilizing component, which includes a stabilizing frame. Multiple stabilizing frames are slidably connected to the inner wall of the processing table, and the inner wall of the stabilizing frame is provided with a spring.

[0014] Preferably, multiple springs are disposed on the inner wall of the processing table, and multiple stabilizers are slidably connected to the outer walls of the movable frame one and the movable frame two, respectively.

[0015] Preferably, a support and a collection platform are installed at the top of the processing platform, a filter device is installed at the top of the support, an equalization tank, an oxidation tank and a clear water tank are respectively installed on the inner wall of the multiple movable frames one, a disinfection tank is installed on the inner wall of the movable frame two, a connecting pipe two is installed at one end of each of the equalization tank, oxidation tank, disinfection tank and clear water tank, a water pump is installed at one end of each of the equalization tank, oxidation tank and clear water tank, a connecting pipe one is installed at one end of each of the equalization tank, oxidation tank and clear water tank, a connecting pipe three and a connecting pipe four are installed at the top of the processing platform, and their other ends are respectively connected to the filter device and the collection platform, and one end of each of the connecting pipe one, connecting pipe two and connecting pipe three is installed on the outer wall of the fixed interface.

[0016] Preferably, one end of each of the two mobile interfaces is equipped with a fixed connector, and one end of the two fixed connectors is respectively connected to a water inlet and a water outlet.

[0017] This invention provides an integrated recycling treatment device for wastewater from the washing of handicrafts. It has the following beneficial effects: 1. This invention uses rotating frame two, worm gear and transmission ring two to drive four gears three and fixed rods, thereby releasing the lock between the fixed interface and the moving interface; then rotating frame one, with the help of gear two and sealing ring, drives the four gears one and threaded rods to rotate, so that the four threaded rods synchronously pull the moving interfaces on both sides away from the fixed interface; then moving the two fixed frames one away from the inner wall of the treatment table, so that the moving frame one or moving frame two is no longer fixed, and the wastewater tank is moved out of the treatment table by the bottom moving wheels, which facilitates the inspection or maintenance of the wastewater treatment equipment.

[0018] 2. The elastic force of the second spring of the present invention pushes the four stabilizers to move outward. When one end of the movable frame is fixed, the stabilizer can stabilize its position with the help of the elastic force, so as to achieve the effect of stable installation of the first or second movable frame.

[0019] 3. This invention adopts a drawer-type modular design, integrating key components such as the filter tank, dosing tank, and sludge tank into independently operable units. Each module can be easily pulled out individually for quick replacement or thorough cleaning, thereby improving the maintenance efficiency of the equipment. Attached Figure Description

[0020] Figure 1 This is an overall schematic diagram of the present invention; Figure 2 This is a top view of the internal structure of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle; Figure 4 This is a cross-sectional view of a portion of the movable structure of the present invention; Figure 5 For the present invention Figure 4 Enlarged view at point B in the middle; Figure 6 This is a cross-sectional view of part of the fixing structure of the present invention; Figure 7 For the present invention Figure 6 Enlarged view at point C; Figure 8 This is an exploded view of part of the fixed structure of the present invention; Figure 9 This is a cross-sectional view of the locking structure of the present invention; Figure 10 For the present invention Figure 9 Enlarged view of point D in the middle.

[0021] The components include: 1. Processing table; 2. Support frame; 3. Filter device; 4. Collection table; 5. Movable frame one; 6. Movable frame two; 7. Movable wheels; 8. Fixed frame one; 9. Spring one; 10. Support frame; 11. Threaded rod; 12. Gear one; 13. Transmission ring one; 14. Movable interface; 15. Sealing ring; 16. Hoses; 17. Rotating frame one; 18. Gear two; 19. Fixed interface; 20. Fixed rod; 21. Gear three; 22. Transmission ring two; 23. Rotating frame two; 24. Worm gear; 25. Rotating frame three; 26. Stabilizing component; 2601. Stabilizing frame; 2602. Spring two; 27. Adjustment tank; 28. Oxidation tank; 29. ​​Disinfection tank; 30. Clear water tank; 31. Connecting pipe one; 32. Connecting pipe two; 33. Water pump; 34. Connecting pipe three; 35. Connecting pipe four; 36. Fixed connecting pipe. Detailed Implementation

[0022] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see the appendix Figure 1 - Appendix Figure 10This invention provides an integrated recycling treatment device for wastewater from craft washing, including a treatment table 1. A second movable frame 6 and multiple first movable frames 5 are slidably connected to the inner wall of the treatment table 1. Two movable wheels 7 are installed at the bottom of each of the first movable frames 5 and the second movable frame 6. Fixed interfaces 19 are installed on the inner walls of both sides of the first movable frame 5. A second transmission ring 22 and multiple fixed rods 20 are rotatably connected to the inner wall of the fixed interfaces 19. A gear 3 21 is installed at one end of each fixed rod 20. Rotating frames 23 are rotatably connected to both sides of the first movable frame 5. A worm gear 24 is installed at one end of each rotating frame 23. Multiple support frames 10 are installed on the inner wall of the treatment table 1. A first transmission ring 13, multiple threaded rods 11, and a first rotating frame 17 are rotatably connected to the outer wall of each support frame 10. A second gear 18 is installed at one end of each rotating frame 17. A gear 12 is installed in the middle of each threaded rod 11. Movable interfaces 11 are threadedly connected to both sides of each threaded rod 11. 4. A flexible hose 16 is installed on the outer wall between the two movable interfaces 14. A sealing ring 15 is installed on the outer wall of both the fixed interface 19 and the movable interface 14. Two fixed frames 8 are slidably connected to one end of the movable frame 1 5 and the movable frame 2 6. Springs 9 are provided at both the upper and lower ends of the fixed frame 1 8. Fixed interfaces 19 are installed on the inner wall of one end of the movable frame 2 6 and the processing table 1. A rotating frame 3 25 is rotatably connected to the inner wall of one end of the processing table 1. One worm gear 24 is installed at one end of the rotating frame 3 25. Multiple gears 3 21 are meshed with the inner ring tooth end of the transmission ring 2 22. The worm gear 24 is meshed with the outer ring tooth end of the transmission ring 2 22. Multiple gears 1 12 are meshed with the inner ring tooth end of the transmission ring 1 13. Gear 2 18 is meshed with the outer ring tooth end of the transmission ring 1 13. Multiple springs 1 9 are respectively provided on the inner walls of the movable frame 1 5 and the movable frame 2 6. Multiple fixed frames 1 8 are slidably connected to the inner wall of the processing table 1.

[0024] Specifically, four gears 21 mesh with the inner ring teeth of transmission ring 22, and worm gear 24 meshes with the outer ring teeth of transmission ring 22, enabling rotating frame 23 to control the rotation of four fixed rods 20. The fixed interface 19 is equipped with a limit block to prevent the fixed rods 20 from failing to align with the fixed groove of the moving interface 14. Four gears 12 mesh with the inner ring teeth of transmission ring 13, and gear 18 meshes with the outer ring teeth of transmission ring 13, enabling rotating frame 17 to control the rotation of four threaded rods 11, thereby indirectly controlling the distance between the moving interface 14 and the fixed interface 19. Rotating rotating frame 23 causes worm gear 24 and transmission ring 22 to drive gears 21 and fixed rods 20 to rotate, causing the fixed interface 19 to separate from the moving interface 14.

[0025] Then rotate the rotating frame 17, which drives the gear 12 and threaded rod 11 to rotate via the gear 18 and sealing ring 15, causing the moving interface 14 to move away from the fixed interface 19. The moving fixed frame 18 detaches from the inner wall of the treatment table 1, so that the moving frame 15 or the moving frame 2 6 is no longer fixed. Finally, the wastewater tank is moved out of the treatment table 1 via the moving wheels 7. This achieves the effect of facilitating the inspection or maintenance of the wastewater treatment equipment.

[0026] Please see the appendix Figure 3 Appendix Figures 6-8 The movable interface 14 is slidably connected to the outer wall of the fixed interface 19. Both the movable interface 14 and the outer wall of the fixed interface 19 are equipped with sealing rings 15. Multiple fixed rods 20 are slidably connected to the outer wall of the movable interface 14. One end of the fixed rod 20 is provided with a ramp, and the ramp contacts the outer wall of the movable interface 14.

[0027] Specifically, one end of the fixed rod 20 contacts the limiting block on the fixed interface 19, so that the other end of it is aligned with the fixed groove on the moving interface 14. When the moving interface 14 contacts the fixed interface 19, the fixed rod 20 on the fixed interface 19 slides into the fixed groove of the moving interface 14. The rotating frame 23 indirectly drives the four fixed rods 20 to rotate, so that the slope surface of the other end of the fixed rod 20 contacts the outer wall of the moving interface 14, and the two sealing rings 15 are tightly fixed between the moving interface 14 and the fixed interface 19, thereby enhancing the sealing performance at the connection between the moving interface 14 and the fixed interface 19 and achieving the effect of preventing wastewater leakage.

[0028] Please see the appendix Figure 9 and attached Figure 10 The inner wall of the processing table 1 is provided with a stabilizing component 26, which includes a stabilizing frame 2601. Multiple stabilizing frames 2601 are slidably connected to the inner wall of the processing table 1. The inner wall of the stabilizing frame 2601 is provided with a second spring 2602. Multiple second springs 2602 are provided on the inner wall of the processing table 1. Multiple stabilizing frames 2601 are slidably connected to the outer walls of the first movable frame 5 and the second movable frame 6, respectively.

[0029] Specifically, the elastic force of spring 2602 causes the four stabilizers 2601 to push the movable frame 5 or movable frame 6 outward together. When one end of movable frame 5 or movable frame 6 is fixed, the stabilizer 2601 can stabilize the position of movable frame 5 or movable frame 6 through the elastic force of spring 2602, thus achieving the effect of stable installation of movable frame 5 or movable frame 6.

[0030] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 4The top of the treatment table 1 is equipped with a support 2 and a collection table 4. The top of the support 2 is equipped with a filter device 3. The inner walls of multiple movable frames 5 are respectively equipped with an equalization tank 27, an oxidation tank 28, and a clear water tank 30. The inner wall of the movable frame 6 is equipped with a disinfection tank 29. One end of the equalization tank 27, oxidation tank 28, disinfection tank 29, and clear water tank 30 is equipped with a connecting pipe 2 32. One end of the connecting pipe 2 32 is equipped with a water pump 33. One end of the equalization tank 27, oxidation tank 28, and clear water tank 30 is equipped with a connecting pipe 1 31. The top of the treatment table 1 is equipped with a connecting pipe 34 and a connecting pipe 4 35, and their other ends are connected to the filter device 3 and the collection table 4, respectively. One end of the connecting pipe 1 31, the connecting pipe 2 32, and the connecting pipe 3 34 is installed on the outer wall of the fixed interface 19. One end of each of the two movable interfaces 14 is equipped with a fixed pipe 36. One end of each of the two fixed pipes 36 is connected to the water inlet and the water outlet, respectively.

[0031] Specifically, at one end of the treatment station 1, a fixed pipe 36 is connected to a connecting pipe 31, through which the wastewater to be treated is transported to the equalization tank 27. The equalization tank 27 initially filters out larger suspended solids and impurities in the wastewater. Subsequently, with the assistance of a connecting pipe 32 and a water pump 33, the initially filtered wastewater is guided through a hose 16, a movable interface 14, a fixed interface 19, and a connecting pipe 31, allowing the filtered wastewater to enter the oxidation tank 28. In the oxidation tank 28, the wastewater undergoes a thorough oxidation reaction, degrading organic pollutants and harmful substances. The wastewater continues to flow sequentially through a series of transport components, including a connecting pipe 32, a water pump 33, a connecting pipe 34, and a connecting pipe 35, passing through a filter device 3, a collection station 4, a disinfection tank 29, and a clear water tank 30. In this process, the filter device 3 further removes fine particles, the disinfection tank 29 kills microbial pathogens, and finally, purification is completed in the clear water tank 30, transforming the wastewater into clean water that meets discharge standards before being discharged.

[0032] Throughout the entire treatment process, sealing rings 15 are installed between all connecting pipes and interfaces to ensure complete sealing of the liquid transmission process and prevent any leakage. At the same time, the water pump 33 starts and stops intelligently according to a pre-set automatic program, adjusting the water flow rate and delivery volume in real time, thereby maintaining water level balance and flow coordination between each treatment unit and improving the operating efficiency of the entire wastewater treatment system.

[0033] Workflow: At one end of the treatment station 1, the fixed pipe 36 and connecting pipe 1 31 discharge wastewater into the equalization tank 27 through the inlet, allowing the equalization tank 27 to perform preliminary physical filtration of the wastewater through a stainless steel fine screen, removing larger impurity particles and reducing the burden on subsequent treatment stages. Subsequently, with the help of connecting pipe 2 32 and water pump 33, the pre-filtered wastewater is sequentially transported to the oxidation tank 28 through hose 16, moving interface 14, fixed interface 19, and connecting pipe 1 31, allowing the oxidation tank 28 to oxidize the wastewater and degrade the organic pollutants it contains. The wastewater continues to be transferred through a series of pipes and conveying components, such as connecting pipe 2 32, water pump 33, connecting pipe 3 34, and connecting pipe 4 35, so that the wastewater sequentially enters the filter device 3, collection station 4, disinfection tank 29, and clear water tank 30. Through a multi-stage treatment process, the wastewater is gradually purified and finally transformed into clean water that meets national or local discharge standards, and is finally discharged from the entire wastewater treatment equipment.

[0034] When equipment inspection or maintenance is required, firstly, rotate rotating frame 23. The worm gear 24 and transmission ring 22 drive gear 3 21 and fixed rod 20 to rotate, thus separating the fixed interface 19 from the moving interface 14. Next, rotate rotating frame 17. The gear 2 18 and sealing ring 15 drive gear 12 and threaded rod 11 to rotate, moving the moving interface 14 away from the fixed interface 19, ensuring sufficient operating space. Then, move fixed frame 8 to detach it from the inner wall of the treatment table 1, thus freeing moving frame 5 or moving frame 2 6 from its fixed position. Finally, with the assistance of moving wheels 7, the wastewater tank is moved entirely out of the working area of ​​the treatment table 1. This enables convenient inspection and maintenance of the wastewater treatment equipment, effectively improving equipment maintenance efficiency.

[0035] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An integrated recycling treatment device for wastewater from the cleaning of handicrafts, comprising a treatment table (1), characterized in that: The inner wall of the processing table (1) is slidably connected to a second movable frame (6) and multiple first movable frames (5). Two movable wheels (7) are installed at the bottom of each of the first movable frames (5) and the second movable frame (6). Fixed interfaces (19) are installed on the inner walls of both sides of the first movable frame (5). A transmission ring (22) and multiple fixed rods (20) are rotatably connected to the inner wall of the fixed interface (19). A gear (21) is installed at one end of each fixed rod (20). Rotating frames (23) are rotatably connected to both sides of the first movable frame (5). A worm gear (24) is installed at one end of each rotating frame (23). Multiple support frames (10) are installed on the inner wall of the processing table (1). The outer wall of 0 is rotatably connected to a transmission ring (13), multiple threaded rods (11) and a rotating frame (17). One end of the rotating frame (17) is equipped with a gear (18), and the middle of the threaded rod (11) is equipped with a gear (12). Both sides of the multiple threaded rods (11) are threadedly connected to moving interfaces (14). A flexible hose (16) is installed on the outer wall between the two moving interfaces (14). The outer walls of the fixed interface (19) and the moving interface (14) are both equipped with sealing rings (15). One end of the moving frame (5) and the moving frame (6) is slidably connected to two fixed frames (8). The upper and lower ends of the fixed frame (8) are both equipped with springs (9).

2. The integrated recycling treatment equipment for wastewater from handicraft cleaning according to claim 1, characterized in that: The inner wall of one end of the movable frame 2 (6) and the processing table (1) is equipped with a fixed interface (19). The inner wall of one end of the processing table (1) is rotatably connected to the rotating frame 3 (25), and one of the worm gears (24) is installed at one end of the rotating frame 3 (25).

3. The integrated recycling treatment equipment for wastewater from handicraft cleaning according to claim 1, characterized in that: Multiple gears three (21) are meshed on the inner ring tooth end of transmission ring two (22), and the worm (24) is meshed on the outer ring tooth end of transmission ring two (22).

4. The integrated recycling treatment equipment for wastewater from handicraft cleaning according to claim 1, characterized in that: Multiple gears one (12) are meshed on the inner ring tooth end of transmission ring one (13), and gear two (18) is meshed on the outer ring tooth end of transmission ring one (13).

5. The integrated recycling treatment equipment for wastewater from handicraft cleaning according to claim 1, characterized in that: The movable interface (14) is slidably connected to the outer wall of the fixed interface (19), and a plurality of fixed rods (20) are slidably connected to the outer wall of the movable interface (14). One end of the fixed rod (20) is provided with a ramp, and the ramp contacts the outer wall of the movable interface (14).

6. The integrated recycling treatment equipment for wastewater from handicraft cleaning according to claim 1, characterized in that: Multiple springs (9) are respectively disposed on the inner walls of movable frame 1 (5) and movable frame 2 (6), and multiple fixed frames (8) are slidably connected to the inner wall of the processing table (1).

7. The integrated recycling treatment equipment for wastewater from handicraft cleaning according to claim 1, characterized in that: The inner wall of the processing table (1) is provided with a stabilizing component (26), which includes a stabilizing frame (2601). Multiple stabilizing frames (2601) are slidably connected to the inner wall of the processing table (1), and the inner wall of the stabilizing frame (2601) is provided with a spring (2602).

8. The integrated recycling treatment equipment for wastewater from handicraft cleaning according to claim 7, characterized in that: Multiple springs (2602) are disposed on the inner wall of the processing table (1), and multiple stabilizers (2601) are slidably connected to the outer walls of the movable frame (5) and the movable frame (6).

9. The integrated recycling treatment equipment for wastewater from handicraft cleaning according to claim 1, characterized in that: The top of the processing table (1) is equipped with a support (2) and a collection table (4). The top of the support (2) is equipped with a filter device (3). The inner walls of the multiple movable frames (5) are respectively equipped with an equalization tank (27), an oxidation tank (28), and a clear water tank (30). The inner wall of the movable frame (6) is equipped with a disinfection tank (29). One end of the equalization tank (27), oxidation tank (28), disinfection tank (29), and clear water tank (30) is equipped with a connecting pipe (32). A water pump (33) is installed at one end of the second pipe (32). A connecting pipe (31) is installed at one end of the regulating tank (27), the oxidation tank (28) and the clear water tank (30). A connecting pipe (34) and a connecting pipe (35) are installed at the top of the treatment platform (1), and their other ends are connected to the filter device (3) and the collection platform (4) respectively. One end of the connecting pipe (31), the connecting pipe (32) and the connecting pipe (34) are all installed on the outer wall of the fixed interface (19).

10. An integrated recycling treatment device for wastewater from handicraft cleaning according to claim 1, characterized in that: One end of each of the two mobile interfaces (14) is equipped with a fixed connector (36), and one end of the two fixed connectors (36) is connected to a water inlet and a water outlet, respectively.

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