A water recycling and treatment equipment and a self-cleaning printing and dyeing wastewater treatment system

Abstract

The present invention relates to the technical field of sewage treatment, and discloses a water recovery and treatment equipment and a self-cleaning printing and dyeing wastewater treatment system, including a shell, a reaction tank arranged in the shell, and a bracket arranged inside the reaction tank, wherein the bracket is provided with an empty area and an assembly area, and the assembly area is provided with a support rod on the side away from the empty area, and the support rod is fixed on the bracket. The present invention is provided with a driving assembly, a frame slidably mounted on the bracket, and a reel-type membrane bundle unit connected between adjacent frames. Before performing a backwashing operation, the driving assembly is used to drive the frame to be cleaned to move so that it is separated from the adjacent frame, so that the fiber membrane in the reeled state is unwound and then unfolded, which greatly reduces the small gaps between various parts of the fiber membrane. During the backwashing process, impurities that fall off the fiber membrane are not easy to attach or remain for a second time, thereby improving the cleaning effect, facilitating the maintenance of the equipment, and increasing the service life of the equipment.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, in particular to a water recovery and treatment device and a self-cleaning printing and dyeing wastewater treatment system. Background Art

[0002] Membrane bioreactor (MBR) is a common sewage treatment equipment, which mainly relies on the hollow fiber membrane assembly placed inside the reaction tank to achieve solid-liquid separation in sewage. It has a high-efficiency interception effect, can effectively replace the secondary sedimentation tank, and reduce the equipment footprint. The most common problem in MBR sewage treatment equipment is membrane contamination, that is, impurities are attached to the fiber membrane, resulting in blockage of the membrane surface, which in turn reduces the water output. Therefore, it is very important to clean the membrane. When using it, it is necessary to stop the machine intermittently for backwashing, and use chemical methods for further cleaning when it is used for a long time. The current MBR sewage treatment equipment still has certain shortcomings in cleaning and maintenance: the membrane assembly of the existing reaction tank mainly includes a plurality of curtain-like units installed on the bracket, each of which is composed of a plurality of bundles of fiber membrane tubes arranged side by side. The gap between the fiber membrane tubes under this high density is small. When backwashing and cleaning, the dirt falling from the fiber membrane tube will be stuck in the gap, and the cleaning effect is not good, especially the dirt in the gap near the bottom of the curtain-like unit is extremely difficult to clean. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides a water recovery and treatment equipment and a self-cleaning printing and dyeing wastewater treatment system, which have the advantages of easy maintenance and long service life, and solve the problem that the membrane components in the existing MBR sewage treatment equipment have poor cleaning effect through backwashing operation.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a water recovery and treatment device, comprising a shell, a reaction pool arranged in the shell and a bracket arranged inside the reaction pool, wherein the bracket is provided with an empty area and an assembly area, wherein the assembly area is provided with a support rod on a side away from the empty area, wherein the support rod is fixed on the bracket, wherein a plurality of evenly distributed frames are slidably installed in the assembly area, wherein a plurality of evenly distributed membrane bundle units are installed on the frames, wherein the membrane bundle units include an axis frame fixed on the frame and a fiber membrane rolled up on the axis frame;

[0005] One end of the fiber membrane on the frame closest to the support rod in the assembly area is connected to the support rod, and the fiber membranes on the remaining frames are connected to the shaft frame on the adjacent frame on the side of the frame close to the support rod;

[0006] A driving assembly is also installed in the reaction pool. The driving assembly is arranged in two groups and is respectively located on both sides of the bracket. The driving assembly is used to drive the frame to be cleaned to separate from the adjacent frame and move toward the vacant area.

[0007] When the membrane bundle unit on the frame needs to be backwashed, the driving assembly operates, forcing the frame to move and separate from the adjacent frame, so that the frame and the remaining frames on the side close to the vacant area move toward the vacant area, thereby causing the fiber membrane on the membrane bundle unit on the frame that was originally in a rolled-up state to be unrolled and unfolded, and then backwashing is performed.

[0008] Preferably, the inner top wall and the inner bottom wall of the bracket are both provided with transverse slide grooves, and the transverse slide grooves extend from the assembly area to the vacant area. Transverse sliders are fixed to the top and bottom of the frame, and the transverse sliders are slidably connected to the transverse slide grooves. The vacant area is provided with a push spring, and one end of the push spring is fixedly connected to the bracket.

[0009] Preferably, the shaft frame includes a vertical axis located inside the frame, both ends of the vertical axis are fixedly connected to the frame, an upper trough shell and a lower trough shell are respectively fixed at both ends of the vertical axis, an upper notch is provided on the edge of the upper trough shell, and a lower notch is provided on the edge of the lower trough shell.

[0010] Preferably, the fiber membrane includes an upper vortex spring located inside the upper groove shell and a lower vortex spring located inside the lower groove shell, the upper vortex spring and the lower vortex spring are both mounted on the vertical axis, an inner end of the upper vortex spring is fixed to the vertical axis, an outer end of the upper vortex spring extends to the outside of the upper groove shell through an upper recess, an inner end of the lower vortex spring is fixed to the vertical axis, an outer end of the lower vortex spring extends to the outside of the lower groove shell through a lower recess, an upper coil is fixedly connected to the bottom edge of the upper vortex spring, a lower coil is fixedly connected to the top edge of the lower vortex spring, and a plurality of membrane tubes are evenly fixed between the lower coil and the upper coil.

[0011] Preferably, the driving assembly includes a transverse slide fixed on the inner wall of the shell, a slide seat is provided on the transverse slide, an assembly plate is fixedly connected to the slide seat, a vertical slide groove is provided on the surface of the assembly plate, two push rods are provided on the assembly plate, the push rods are installed on the assembly plate through a driver, the driver is used to drive the two push rods to move toward the direction of the bracket, and the driver can also be used to drive the two push rods away from each other.

[0012] Preferably, a guide rod parallel to the transverse slide is provided on one side of the assembly plate, the guide rod is movably plugged into the assembly plate, and both ends of the guide rod are fixedly connected to the inner wall of the reaction pool.

[0013] Preferably, the driver includes a motor fixed on an assembly plate, the motor output shaft is vertically facing downward and is fixed with a bidirectional screw, both ends of the bidirectional screw are mounted on the assembly plate through bearing seats, a first bevel gear is fixed to the middle of the bidirectional screw, a sleeve is installed on each side of the bidirectional screw, the two push rods are respectively inserted in the two sleeves, a driven magnet is fixed at one end of the two push rods away from the bracket, the driver also includes a driven shaft, the driven shaft passes through the assembly plate and is rotatably connected to the assembly plate, a second bevel gear is fixed at one end of the driven shaft, the second bevel gear is meshed with the first bevel gear, a disc is fixed at the other end of the driven shaft, four active magnets distributed in a ring array are fixed on the surface of the disc, the active magnet corresponds to the position of the driven magnet, and the magnetic pole of any one of the four active magnets is opposite to the magnetic pole of the adjacent active magnet.

[0014] Preferably, the driver also includes two nut seats, both of which are threadedly connected to the bidirectional screw, two vertical sliders are provided between the two nut seats, both of which are slidably connected to the vertical slide grooves, movable rods are hinged on both sides of the two vertical sliders, and the movable rods on both sides of the same vertical slider are rotatably connected to two sleeves respectively, and two base blocks are also provided between the two vertical sliders, both of which are fixed to the assembly plate, and a reset spring is fixedly connected between the base block and the vertical slider, and the reset spring is sleeved on the bidirectional screw.

[0015] Preferably, a branch pipe is provided on the top of the frame, and the branch pipe is fixedly connected to a plurality of upper coils on the frame at the same time, and a flow meter is installed at one end of the branch pipe.

[0016] The invention also discloses a self-cleaning printing and dyeing wastewater treatment system, which uses the above-mentioned water recovery and treatment equipment.

[0017] Compared with the prior art, the present invention provides a water recovery and treatment device and a self-cleaning printing and dyeing wastewater treatment system, which have the following beneficial effects:

[0018] 1. This water recovery and treatment equipment and self-cleaning printing and dyeing wastewater treatment system, by setting a driving component, a frame slidably mounted on a bracket, and a reel-type membrane bundle unit connected between adjacent frames, first drives the frame to be cleaned to move through the driving component before the backwashing operation to separate it from the adjacent frame, so that the fiber membrane in the reeled state is unwound and then unfolded, which greatly reduces the small gaps between various parts of the fiber membrane. Impurities that fall off the fiber membrane during the backwashing process are not easy to attach or remain for a second time, thereby improving the cleaning effect, facilitating the maintenance of the equipment, and increasing the service life of the equipment.

[0019] 2. This type of water recovery and treatment equipment and self-cleaning printing and dyeing wastewater treatment system, by setting flow meters on each frame, is conducive to real-time monitoring of drainage flow, and quickly cleans the membrane bundle unit on the frame when it is blocked. Compared with the fixed time interval maintenance method in the prior art, it is more efficient and accurate, avoids excessive blockage caused by untimely maintenance, and further improves the service life of the membrane bundle unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a water recovery and treatment device of the present invention;

[0021] Figure 2 is a cross-sectional view of a reaction tank of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the support of the present invention;

[0023] Figure 4 It is a structural schematic diagram of the framework of the present invention;

[0024] Figure 5 It is a structural explosion diagram of the membrane bundle unit of the present invention;

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the driving assembly of the present invention;

[0026] Figure 7 For the present invention Figure 6 A magnified view of part A;

[0027] Figure 8 It is a cross-sectional effect diagram of the assembly plate of the present invention.

[0028] In the figure: 1, shell; 2, reaction tank; 3, bracket; 31, vacant area; 32, assembly area; 33, support rod; 34, push spring; 4, frame; 41, branch pipe; 42, flow meter; 5, membrane bundle unit; 50, shaft frame; 501, vertical axis; 502, upper tank shell; 503, lower tank shell; 504, upper notch; 505, lower notch; 51, fiber membrane; 510, upper scroll spring; 511, lower scroll spring; 512, upper coil; 513, lower coil; 514, membrane tube; 6, drive assembly; 60. Horizontal slide; 61. Slide seat; 62. Assembly plate; 63. Vertical slide groove; 64. Push rod; 65. Driver; 650. Motor; 651. Bidirectional screw; 652. Bearing seat; 653. First bevel gear; 654. Sleeve; 655. Driven magnet; 656. Driven shaft; 657. Second bevel gear; 658. Disc; 659. Active magnet; 660. Nut seat; 661. Vertical slide block; 662. Movable rod; 663. Base block; 664. Return spring; 66. Guide rod. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0030] As introduced in the background technology, there are deficiencies in the prior art. In order to solve the above technical problems, the present application proposes a water recovery and treatment equipment and a self-cleaning printing and dyeing wastewater treatment system.

[0031] Example 1: Please refer to Figure 1 - Figure 4 A water recovery and treatment device comprises a shell 1, a reaction pool 2 arranged in the shell 1 and a bracket 3 arranged inside the reaction pool 2, characterized in that: a vacant area 31 and an assembly area 32 are arranged in the bracket 3, a support rod 33 is arranged on the side of the assembly area 32 away from the vacant area 31, the support rod 33 is fixed on the bracket 3, a plurality of evenly distributed frames 4 are slidably installed in the assembly area 32, a plurality of evenly distributed membrane bundle units 5 are installed on the frame 4, and the membrane bundle unit 5 comprises an axial frame 50 fixed on the frame 4 and a fiber membrane 51 rolled up on the axial frame 50;

[0032] One end of the fiber membrane 51 on the frame 4 closest to the support rod 33 in the assembly area 32 is connected to the support rod 33, and the fiber membranes 51 on the remaining frames 4 are connected to the shaft frame 50 on the adjacent frame 4 on the side of the frame 4 close to the support rod 33;

[0033] The reaction pool 2 is also equipped with a driving assembly 6, which is arranged in two groups and is respectively located on both sides of the bracket 3. The driving assembly 6 is used to drive the frame 4 to be cleaned to separate from the adjacent frame 4 and move in the opposite direction of the side where the support rod 33 is located;

[0034] When the membrane bundle unit 5 on the frame 4 needs to be backwashed, the driving assembly 6 operates to force the frame 4 to move and separate from the adjacent frame 4, so that the fiber membrane 51 on the membrane bundle unit 5 on the frame 4, which was originally in a rolled-up state, is unrolled and then unfolded, and then the backwashing work is performed;

[0035] The width of the vacant area 31 is greater than the width of the unrolled fiber membrane 51, so as to ensure that the fiber membrane 51 can be fully unfolded after the frame 4 moves to the vacant area 31. Two support rods 33 are provided, and the two support rods 33 are both horizontally arranged. The frame 4 is set in a square shape and stands upright in the bracket 3, and a gap is provided between the edges of adjacent frames 4.

[0036] When in use, before backwashing the membrane bundle unit 5 on the frame 4, the driving assembly 6 is started first. When the driving assembly 6 is running, the frame 4 is pushed to move toward the vacant area 31. When the frame 4 moves, it is separated from the adjacent frame 4 on the side close to the support rod 33. During the separation process, the fiber membrane 51 on the membrane bundle unit 5 that is rolled up on the shaft frame 50 is gradually unwound and finally unfolded. The unfolded fiber membrane 51 is stretched from a bundle to a membrane, which reduces the small gaps between the various parts of the fiber membrane 51. When backwashing is performed later, impurities that fall off the fiber membrane 51 are more easily detached from the fiber membrane 51.

[0037] By providing a driving component 6, a frame 4 slidably mounted on a bracket 3, and a reel-type membrane bundle unit 5 connected between adjacent frames 4, before performing a backwashing operation, the frame 4 to be cleaned is first driven to move by the driving component 6 to separate it from the adjacent frame 4, so that the fiber membrane 51 in the reeled state is unrolled and then unfolded, thereby greatly reducing the tiny gaps between various parts of the fiber membrane 51. Impurities that fall off the fiber membrane 51 during the backwashing process are not easy to reattach or remain, thereby improving the cleaning effect, facilitating the maintenance of the equipment, and increasing the service life of the equipment.

[0038] Example 2: See Figure 3 , which is different from the above-mentioned embodiment, the inner top wall and the inner bottom wall of the bracket 3 are both provided with a transverse slide groove, and the transverse slide groove extends from the assembly area 32 to the vacant area 31, and the top and bottom of the frame 4 are fixed with transverse sliders, and the transverse sliders are slidably connected with the transverse slide grooves, and the vacant area 31 is provided with a push spring 34, and one end of the push spring 34 is fixedly connected with the bracket 3;

[0039] Among them, the push spring 34 is consistent with the direction of the horizontal slide groove, and the push spring 34 is located on the sliding path of the horizontal slider on the side of the vacant area 31. When in use, the driving component 6 drives the frame 4 to move toward the vacant area 31 during operation. The push spring 34 is squeezed during the movement of the frame 4. When the backwashing work is completed, the driving component 6 is reset. At this time, the push spring 34 pushes the frame 4 to move toward the assembly area 32 to automatically reset the frame 4 after cleaning.

[0040] Example 3, see Figure 3 - Figure 5, which is different from the above embodiment, the shaft frame 50 includes a vertical shaft 501 located inside the frame 4, both ends of the vertical shaft 501 are fixedly connected to the frame 4, and an upper groove shell 502 and a lower groove shell 503 are fixed to the two ends of the vertical shaft 501 respectively, an upper notch 504 is provided on the edge of the upper groove shell 502, and a lower notch 505 is provided on the edge of the lower groove shell 503, and the fiber membrane 51 includes an upper volute spring 510 located inside the upper groove shell 502 and a lower volute spring 511 located inside the lower groove shell 503, and the upper volute spring 510 and the lower volute spring 511 are both sleeved on the vertical shaft 50 1, an inner end of the upper volute spring 510 is fixed to the vertical shaft 501, and an outer end of the upper volute spring 510 extends to the outside of the upper tank shell 502 through the upper notch 504, an inner end of the lower volute spring 511 is fixed to the vertical shaft 501, and an outer end of the lower volute spring 511 extends to the outside of the lower tank shell 503 through the lower notch 505, an upper coil 512 is fixedly connected to the bottom edge of the upper volute spring 510, and a lower coil 513 is fixedly connected to the top edge of the lower volute spring 511, and a plurality of membrane tubes 514 are evenly fixed between the lower coil 513 and the upper coil 512;

[0041] Among them, the upper tank shell 502 and the lower tank shell 503 are both set to be circular, the vertical axis 501 is fixed to the center of the upper tank shell 502 and the lower tank shell 503, the upper coil 512 and the lower coil 513 are both set to be metal hoses, the structure of the membrane tube 514 is the same as the prior art, and the upper and lower ends of the membrane tube 514 are respectively connected to the upper coil 512 and the lower coil 513. In actual applications, the outer end of the upper volute spring 510 and the outer end of the lower volute spring 511 on the fiber membrane 51 closest to the support rod 33 are fixedly connected to the support rod 33, and the outer ends of the upper volute spring 510 and the outer ends of the lower volute spring 511 on the remaining fiber membranes 51 are fixedly connected to the shaft frame 50 on the adjacent frame 4, specifically, the outer end of the upper volute spring 510 is fixed to the outer wall of the upper tank shell 502, and the outer end of the lower volute spring 511 is fixed to the outer wall of the lower tank shell 503;

[0042] When in use, the driving assembly 6 forces the frame 4 to move in the direction of the vacant area 31, so that the shaft frame 50 on the frame 4 moves. Since the outer end of the upper vortex spring 510 and the outer end of the lower vortex spring 511 on the shaft frame 50 are connected to the shaft frame 50 on the adjacent frame 4, the upper vortex spring 510 and the lower vortex spring 511 on the moving shaft frame 50 are stretched and deformed synchronously. When the upper vortex spring 510 and the lower vortex spring 511 are pulled out at the same time, the upper coil 512, the lower coil 513 and the membrane tube 514 in the retracted state are driven to unfold. Finally, the multiple membrane tubes 514 are transformed from the bundle shape in the original storage state to the membrane shape after unfolding. During backwashing, the impurities attached to the membrane tube 514 are separated from the membrane tube 514 and fall directly into the reaction tank 2. The obstruction encountered during falling is small, and it is not easy to remain and adhere to it again.

[0043] By configuring the fiber membrane 51 to be an upper spiral spring 510, a lower spiral spring 511, an upper coil 512, a lower coil 513 and a plurality of membrane tubes 514, the characteristics of the spiral spring are utilized to realize the winding of the membrane tube 514. The wound membrane tube 514 is in the same bundle shape as the prior art, and has the characteristic of saving space. When the frame 4 moves, the upper spiral spring 510 and the lower spiral spring 511 are deformed under the action of an external force, so that the plurality of membrane tubes 514 are unfolded to form a membrane shape, thereby reducing the probability of secondary adhesion of impurities after they are separated from the membrane tube 514, thereby improving the cleaning effect. In addition, after the cleaning is completed, the elastic force of the upper spiral spring 510 and the lower spiral spring 511 can also automatically wind up the membrane tube 514, restoring it to a bundle shape, which is easy to use and can be reused many times.

[0044] Example 4, see Figure 6 - Figure 8, which is different from the above embodiment, the driving assembly 6 includes a transverse slide 60 fixed to the inner wall of the housing 1, a slide seat 61 is provided on the transverse slide 60, a mounting plate 62 is fixedly connected to the slide seat 61, a vertical slide groove 63 is provided on the surface of the mounting plate 62, two push rods 64 are provided on the mounting plate 62, and the push rods 64 are installed on the mounting plate 62 through a driver 65, and the driver 65 is used to drive the two push rods 64 to move toward the bracket 3. The driver 65 can also be used to drive the two push rods 64 away from each other, and a guide rod 66 arranged parallel to the transverse slide 60 is provided on one side of the mounting plate 62, and the guide rod 66 It is movably plugged with the assembly plate 62, and both ends of the guide rod 66 are fixedly connected to the inner wall of the reaction pool 2. The driver 65 includes a motor 650 fixed on the assembly plate 62, and the output shaft of the motor 650 is vertically downward and fixed with a bidirectional screw 651. Both ends of the bidirectional screw 651 are installed on the assembly plate 62 through a bearing seat 652. A first bevel gear 653 is fixed in the middle of the bidirectional screw 651. A sleeve 654 is installed on each side of the bidirectional screw 651. The two push rods 64 are respectively plugged into the two sleeves 654. A driven magnet 655 is fixed at one end of the two push rods 64 away from the bracket 3. The driver 65 also includes The driven shaft 656 includes a driven shaft 656, which passes through the assembly plate 62 and is rotatably connected to the assembly plate 62. A second bevel gear 657 is fixed to one end of the driven shaft 656, and the second bevel gear 657 is meshed with the first bevel gear 653. A disk 658 is fixed to the other end of the driven shaft 656. Four active magnets 659 distributed in a circular array are fixed on the surface of the disk 658. The active magnets 659 correspond to the positions of the driven magnets 655. The magnetic poles of any one of the four active magnets 659 are opposite to the magnetic poles of the adjacent active magnets 659. The driver 65 also includes two nut seats 660. The two nuts The seats 660 are all threadedly connected with the bidirectional screw 651, and two vertical sliders 661 are arranged between the two nut seats 660. The two vertical sliders 661 are slidably connected with the vertical slide groove 63. Both sides of the two vertical sliders 661 are hinged with movable rods 662. The movable rods 662 on both sides of the same vertical slider 661 are respectively rotatably connected with the two sleeves 654. Two base blocks 663 are also arranged between the two vertical sliders 661. The two base blocks 663 are fixed to the assembly plate 62. A return spring 664 is fixedly connected between the base block 663 and the vertical slider 661, and the return spring 664 is sleeved on the bidirectional screw 651.

[0045] The two driving components 6 are operated synchronously when in use, the horizontal slide 60 is set as an electric slide, the assembly plate 62 is set as a vertically arranged strip plate, two guide rods 66 are set to guide and support the assembly plate 62, the surface of the bidirectional screw 651 is set as two groups of threads, the two groups of threads are symmetrically distributed and have opposite rotation directions, and the two nut seats 660 are matched with the two groups of threads respectively. In the initial state, two of the four driven magnets 655 are attracted to the driven magnet 655 with opposite poles, and a gap is set between the nut seat 660 and the vertical slider 661;

[0046] When in use, the two driving components 6 operate synchronously, first start the electric slide, when the electric slide operates, the slide seat 61 moves, drives the assembly plate 62 and the two push rods 64 installed on the assembly plate 62 to move, so that the two push rods 64 are aligned with the gap between the cleaning frame 4 and the adjacent frame 4, and then start the motor 650, when the motor 650 operates, it drives the bidirectional screw 651 to rotate, when the bidirectional screw 651 rotates, it drives the two nut seats 660 to move toward the middle of the screw at the same time, and when the bidirectional screw 651 rotates, it also drives the second The first bevel gear 653 rotates, and the first bevel gear 653 drives the second bevel gear 657 to rotate. When the second bevel gear 657 rotates, it drives the driven shaft 656 and the disk 658 to rotate. When the disk 658 rotates, the two active magnets 659 on the surface of the disk 658 that are attracted to the driven magnet 655 move and then separate from the driven magnet 655. Then, the other two active magnets 659 on the surface of the disk 658 move to align with the driven magnet 655. Since the active magnet 659 and the driven magnet 655 have the same magnetic poles at this time, the magnetic force pushes The two driven magnets 655 move, thereby pushing the two push rods 64 to move, so that the two push rods 64 are inserted into the gap between the two adjacent frames 4. After that, the two nut seats 660 contact and push the two vertical sliders 661, so that the two vertical sliders 661 slide synchronously toward the middle of the vertical slide groove 63. When the vertical slider 661 slides, the angle of the movable rod 662 changes, thereby simultaneously pushing the two sleeves 654 to move and move away from each other. The movement of the two sleeves 654 drives the push rods 64 installed in the sleeves 654 to move synchronously, thereby making the two push rods 64 move toward the two adjacent frames 4 respectively. At this time, the electric slide is started again to drive the assembly seat and the two push rods 64 on the assembly seat to move toward the vacant area 31. Under the cooperation of the two movements, one of the push rods 64 continuously pushes the frame 4 to be cleaned, and the other push rod 64 resists the adjacent frame 4 and remains stationary, thereby separating the two frames 4. When the frame 4 to be cleaned is pushed by the push rod 64, it also drives all the other frames 4 to move toward the vacant area 31 together.

[0047] By setting up a driving component 6, using an electric slide to control the lateral movement of the two push rods 64, and using a motor 650 to drive the two push rods 64 to first be longitudinally inserted between the two frames 4, and then drive the two push rods 64 away from each other. It has high precision and a high degree of automation, and can effectively push the frame 4 to be cleaned to move to the vacant area 31, so that the frame 4 to be cleaned is separated from the adjacent frame 4, which is beneficial to the unwinding work of the fiber membrane 51 on the frame 4. When the motor 650 runs in the reverse direction, the elastic force of the reset spring 664 can reset the two push rods 64 so that they can be reused multiple times.

[0048] Example 5, see Figure 4 and Figure 5 , which is different from the above embodiment, a branch pipe 41 is provided on the top of the frame 4, and the branch pipe 41 is fixedly connected to a plurality of upper coils 512 on the frame 4 at the same time, and a flow meter 42 is installed at one end of the branch pipe 41;

[0049] Among them, the branch pipes 41 are all externally connected to the sewage delivery pump, and the flow meter 42 is used to monitor the water flow in the branch pipe 41 in real time. When in use, when the water flow drops below the standard value, it is detected by the flow meter 42, indicating that the membrane bundle unit 5 on the frame 4 is blocked, and then the driving component 6 is controlled to operate, and the membrane bundle unit 5 on the frame 4 corresponding to the branch pipe 41 is accurately backwashed and cleaned;

[0050] By setting a flow meter 42 on each frame 4, it is beneficial to monitor the drainage flow in real time. When the membrane bundle unit 5 on the frame 4 is blocked, it can be cleaned quickly at the first time. Compared with the fixed time interval maintenance method in the prior art, it is more efficient and accurate, avoids excessive blockage caused by untimely maintenance, and further improves the service life of the membrane bundle unit 5.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water recovery and treatment device, comprising a housing, a reaction pool disposed in the housing, and a bracket disposed inside the reaction pool, characterized in that: The support is provided with an empty area and an assembly area, a support rod is provided on the side of the assembly area away from the empty area, the support rod is fixed on the support, a plurality of evenly distributed frames are slidably installed in the assembly area, a plurality of evenly distributed membrane bundle units are installed on the frames, and the membrane bundle units include an axis frame fixed on the frame and a fiber membrane rolled up on the axis frame; One end of the fiber membrane on the frame closest to the support rod in the assembly area is connected to the support rod, and the fiber membranes on the remaining frames are connected to the shaft frame on the adjacent frame on the side of the frame close to the support rod; The shaft frame includes a vertical shaft located inside the frame, both ends of the vertical shaft are fixedly connected to the frame, an upper tank shell and a lower tank shell are respectively fixed at both ends of the vertical shaft, an upper notch is formed on the edge of the upper tank shell, and a lower notch is formed on the edge of the lower tank shell; The cam is secured to the bottom of the roll and is secured to the bottom of the roll with the upper end facing the lower portion of the roll being secured to the cam. A driving assembly is also installed in the reaction pool. The driving assembly is arranged in two groups and is respectively located on both sides of the bracket. The driving assembly is used to drive the frame to be cleaned to separate from the adjacent frame and move toward the vacant area. When the membrane bundle unit on the frame needs to be backwashed, the driving assembly operates, forcing the frame to move and separate from the adjacent frame, so that the frame and the remaining frames on the side close to the vacant area move toward the vacant area, thereby causing the fiber membrane on the membrane bundle unit on the frame that was originally in a rolled-up state to be unrolled and unfolded, and then backwashing is performed.

2. A water recovery and treatment equipment according to claim 1, characterized in that: The inner top wall and the inner bottom wall of the bracket are both provided with transverse slide grooves, and the transverse slide grooves extend from the assembly area to the vacant area. Transverse sliders are fixed to the top and bottom of the frame, and the transverse sliders are slidably connected to the transverse slide grooves. The vacant area is provided with a push spring, and one end of the push spring is fixedly connected to the bracket.

3. A water recovery and treatment equipment according to claim 1, characterized in that: The driving assembly includes a transverse slide fixed on the inner wall of the shell, a slide seat is provided on the transverse slide, an assembly plate is fixedly connected to the slide seat, a vertical slide groove is provided on the surface of the assembly plate, two push rods are provided on the assembly plate, and the push rods are installed on the assembly plate through a driver. The driver is used to drive the two push rods to move toward the bracket, and the driver can also be used to drive the two push rods away from each other.

4. A water recovery and treatment equipment according to claim 3, characterized in that: A guide rod is arranged parallel to the horizontal slide table on one side of the assembly plate, the guide rod is movably plugged with the assembly plate, and both ends of the guide rod are fixedly connected to the inner wall of the reaction pool.

5. The water recovery and treatment equipment according to claim 3, characterized in that: The driver includes a motor fixed on an assembly plate, the motor output shaft is vertically downward and fixed with a bidirectional screw, both ends of the bidirectional screw are mounted on the assembly plate through bearing seats, a first bevel gear is fixed to the middle of the bidirectional screw, a sleeve is installed on each side of the bidirectional screw, two push rods are respectively inserted in the two sleeves, a driven magnet is fixed at one end of the two push rods away from the bracket, the driver also includes a driven shaft, the driven shaft passes through the assembly plate and is rotatably connected to the assembly plate, a second bevel gear is fixed at one end of the driven shaft, the second bevel gear is meshed with the first bevel gear, a disc is fixed at the other end of the driven shaft, four active magnets distributed in a ring array are fixed on the surface of the disc, the active magnet corresponds to the position of the driven magnet, and the magnetic pole of any one of the four active magnets is opposite to the magnetic pole of the adjacent active magnet.

6. A water recovery and treatment equipment according to claim 5, characterized in that: The driver also includes two nut seats, both of which are threadedly connected to the bidirectional screw, two vertical sliders are provided between the two nut seats, both of which are slidably connected to the vertical slide grooves, movable rods are hinged on both sides of the two vertical sliders, and the movable rods on both sides of the same vertical slider are rotatably connected to two sleeves respectively, and two base blocks are also provided between the two vertical sliders, both of which are fixed to the assembly plate, and a reset spring is fixedly connected between the base block and the vertical slider, and the reset spring is sleeved on the bidirectional screw.

7. The water recovery and treatment equipment according to claim 1, characterized in that: A branch pipe is provided on the top of the frame, and the branch pipe is fixedly connected to a plurality of upper coils on the frame at the same time, and a flow meter is installed at one end of the branch pipe.

8. A self-cleaning printing and dyeing wastewater treatment system, characterized in that: The self-cleaning printing and dyeing wastewater treatment system uses a water recovery and treatment device as described in any one of claims 1-7.

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