Anti-pollution large-water-flow reverse osmosis membrane surface modification equipment

Abstract

The invention discloses anti-pollution large-water-flow reverse osmosis membrane surface modification equipment, and relates to the technical field of reverse osmosis membrane modification, the anti-pollution large-water-flow reverse osmosis membrane surface modification equipment comprises a base and a double-sided modification module, the double-sided modification module is mounted on the base, and the double-sided modification module is used for simultaneously modifying the upper surface and the lower surface of a reverse osmosis membrane; the double-sided modification module comprises a first storage box, a second storage box, a first coating roller and a second coating roller, side plates are symmetrically and fixedly connected to the top of the outer wall of the base, and a first modification box and a second modification box are fixedly connected to the side walls of the side plates. By installing the double-sided modification module, the double-sided simultaneous modification function of the reverse osmosis membrane is realized, the consistency and stability of the modification effect are improved, the operation steps and time for overturning the reverse osmosis membrane are reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of reverse osmosis membrane modification, in particular to a surface modification device for a large water flow anti-pollution reverse osmosis membrane. Background Art

[0002] Reverse osmosis membrane technology is an important water treatment technology, widely used in drinking water treatment, industrial wastewater treatment and other fields. Through surface modification technology, the structure and properties of the reverse osmosis membrane surface can be improved, thereby enhancing its anti-pollution ability. However, traditional reverse osmosis membrane modification equipment can usually only modify one side of the reverse osmosis membrane and lacks the ability to treat both sides at the same time.

[0003] With the rapid development of industry and the increasing demand for water resources, traditional reverse osmosis membrane surface modification equipment needs to perform multiple operations to modify both sides of the reverse osmosis membrane. After completing the modification of one side of the reverse osmosis membrane, the reverse osmosis membrane is turned over and the other side is modified, resulting in low efficiency and thus unable to meet the increasingly stringent production requirements and water treatment needs. Therefore, a pollution-resistant large water flow reverse osmosis membrane surface modification equipment is extremely important.

[0004] 1. Patent document CN106948242B discloses a device for modifying stone film. The above patent realizes the regulation of experimental conditions and improves the accuracy of the experiment. Controlled experiments can be carried out to explore the effects of different parameters on the modification of stone film. However, the above patent cannot realize the simultaneous modification function of both sides of the reverse osmosis membrane.

[0005] 2. Patent document CN106972139B discloses a method and device for modifying the hydrophilicity of a polyolefin microporous membrane. The above patent realizes the formation of a nanoscale fluorinated layer on the microporous surface, so that the polyolefin microporous membrane has a permanent hydrophilic effect. However, the above patent cannot realize the stable coating function of the reverse osmosis membrane surface modifier colloid.

[0006] 3. Patent document CN110694487B discloses a device for electrochemically modifying polyvinylidene fluoride membrane and a modification method thereof. The above patent realizes that the oxidizing liquid coming out of the anode outlet directly passes through a pipeline into the oxidation overflow tank to ensure the stability of the anode outlet water. However, the above patent cannot realize the control function of the thickness of the modifier glue layer on the reverse osmosis membrane surface.

[0007] 4. Patent document CN114927658B discloses a device and method for surface modification of positive electrode materials based on ion exchange membranes. The above patent achieves uniform coating of the surface of the positive electrode material, but the above patent cannot achieve the function of adjusting the tension of the reverse osmosis membrane itself.

[0008] In summary, the above patent cannot achieve the function of modifying both sides of the reverse osmosis membrane at the same time, cannot achieve the function of stably coating the colloid of the surface modifier of the reverse osmosis membrane, cannot achieve the function of controlling the thickness of the adhesive layer of the surface modifier of the reverse osmosis membrane, and cannot achieve the function of adjusting the tension of the reverse osmosis membrane itself, resulting in the equipment being able to modify only one side of the reverse osmosis membrane, the modification process being discontinuous, the equipment being unable to adapt to the problems of reverse osmosis membranes of different thicknesses and reverse osmosis membrane damage; To this end, the present application proposes a surface modification device for anti-pollution large water flow reverse osmosis membranes that can achieve simultaneous modification of both sides of a reverse osmosis membrane, stable coating of a reverse osmosis membrane surface modifier colloid, control the thickness of a reverse osmosis membrane surface modifier glue layer, and adjust the tension of the reverse osmosis membrane itself. Summary of the invention

[0009] The purpose of the present invention is to provide a pollution-resistant large water flow reverse osmosis membrane surface modification equipment to solve the technical problems proposed in the above background technology that the simultaneous modification function of the reverse osmosis membrane on both sides cannot be realized, the stable coating function of the reverse osmosis membrane surface modifier colloid cannot be realized, the thickness control function of the reverse osmosis membrane surface modifier glue layer cannot be realized, and the adjustment function of the reverse osmosis membrane's own tension cannot be realized, resulting in the equipment being able to modify only one side of the reverse osmosis membrane, the modification process being discontinuous, the equipment being unable to adapt to reverse osmosis membranes of different thicknesses, and the reverse osmosis membrane being damaged.

[0010] To achieve the above object, the present invention provides the following technical solutions: a pollution-resistant large water flow reverse osmosis membrane surface modification device, comprising a base and a double-sided modification module, the base is equipped with a double-sided modification module, and the double-sided modification module is used for modifying the upper and lower surfaces of the reverse osmosis membrane at the same time; The double-sided modification module comprises: a first material storage box, a second material storage box, a first coating roller and a second coating roller; The top of the outer wall of the base is symmetrically fixedly connected with a side plate, and the side wall of the side plate is fixedly connected with a first modified box and a second modified box, the bottom of the inner wall of the first modified box is fixedly connected with a first storage box, the first modified box movably sleeved on the outer wall of the first rotating shaft, the first rotating shaft movably installed on the first motor side wall, the first motor side wall is fixedly connected to the first modified box, the first rotating shaft outer wall is fixedly sleeved with a first coating roller, the second modified box movably sleeved on the outer wall of the second rotating shaft, the second rotating shaft outer wall is fixedly sleeved with a second coating roller, the second rotating shaft movably installed on the second motor side wall, the second motor side wall is fixedly connected with the second modified box, the top of the inner wall of the second modified box is fixedly connected with the second storage box, the bottom of the outer wall of the second storage box is fixedly connected with a second scraper, and the bottom of the outer wall of the second storage box is provided with a discharge chute, the inner wall of the first modified box is fixedly connected with the first scraper, and the bottom of the outer wall of the second storage box is fixedly connected with the second scraper.

[0011] Preferably, a feeding module is installed on the first modification box and the second modification box, and the feeding module is used to replenish the modified colloid in the first storage box and the second modification box; The feeding module comprises: a first hose, a first spring, a feeding box and a second hose; A feeding box is fixedly connected to the top of the outer wall of the second modified box, a first hose and a second hose are fixedly connected to the outer wall of the feeding box, a second storage box is fixedly connected to the outer wall of the second hose, a first modified box is fixedly connected to the side wall of the first hose, a feeding trough is provided on the side wall of the first storage box, a first spring is fixedly connected to the bottom of the outer wall of the first storage box, a first modified box is fixedly connected to the bottom of the outer wall of the first spring, a first limiting block is fixedly connected to the side wall of the first storage box, a first limiting groove is provided on the inner wall of the first modified box, and the first limiting groove is movably mounted on the outer wall of the first limiting block.

[0012] Preferably, a spacing adjustment module is installed on the side plate, and the spacing adjustment module is used to adjust the distance between the first coating roller and the second coating roller; Spacing adjustment module: fixed block, moving block, dual-axis motor, rotating axis; The outer wall of the side panel is symmetrically fixedly connected with a fixing frame, a dual-axis motor is fixedly installed in the fixing frame, a rotating shaft is symmetrically and movably installed on the outer wall of the dual-axis motor, a moving block is movably mounted on the outer wall of the rotating shaft, a fixed block is movably mounted on the outer wall of the rotating shaft, the outer wall of the fixed block is fixedly connected with the side panel, the first modification box and the second modification box outer walls are respectively fixedly connected with a moving block, the side wall of the moving block is fixedly connected with a second limiting block, the outer wall of the side panel is symmetrically provided with a second limiting groove, and the outer wall of the second limiting block is movably mounted with a second limiting groove.

[0013] Preferably, a tension regulating module is installed on the first modification box, and the tension regulating module is used to adjust the tension of the reverse osmosis membrane itself; The tension adjustment module uses a rotating mechanism or a squeezing mechanism, and the rotating mechanism includes: an adjusting roller, a first adjusting rod, a second spring, a fourth motor and a second adjusting rod; The first modified box side wall is symmetrically fixedly connected with a first mounting block, the first mounting block is movably mounted on the outer wall of the connecting shaft, the outer wall of the connecting shaft is fixedly mounted with a second adjusting rod, the second adjusting rod is movably mounted on the outer wall of the first adjusting rod, the outer wall of the first adjusting rod is fixedly connected with a second spring, the outer wall of the first adjusting rod is fixedly connected with an adjusting roller, the second spring is fixedly connected to the inner wall of the second adjusting rod, the outer wall of the connecting shaft is fixedly connected with a rotating gear plate, the side wall of the first modified box is fixedly connected with a mounting plate, a fourth motor is fixedly mounted on the mounting plate, the fourth motor is connected to the first gear through a rotating shaft, and the rotating gear plate is meshed with the first gear.

[0014] Preferably, the extrusion mechanism in the tension adjustment module comprises: a fifth motor, a moving plate, a third spring, a first roller and a second roller; The side wall of the first modified box is fixedly connected with a second mounting block, the second mounting block is movably mounted on the outer wall of the moving plate, the side wall of the moving plate is fixedly connected with a moving tooth plate, the second mounting block is fixedly mounted with a fifth motor, the fifth motor is connected with a second gear through a rotating shaft, the second gear is meshed with the moving tooth plate, the top of the outer wall of the moving plate is fixedly connected with a mounting frame, the outer wall of the mounting frame is movably mounted with a connecting frame, the side wall of the connecting frame is symmetrically and movably mounted with a first roller, the top of the outer wall of the mounting frame is fixedly connected with a third spring, the top of the outer wall of the third spring is fixedly connected with the connecting frame, and the mounting frame is connected to the second roller through a rotating shaft.

[0015] Preferably, a third motor is fixedly installed on the inner wall of the second modified box, the third motor is connected to an arc wheel through a rotating shaft, the second material storage box is movably mounted on the outer wall of the blocking plate, a return spring is fixedly connected to the side wall of the blocking plate, the second material storage box is fixedly connected to the side wall of the return spring, a baffle is fixedly connected to the bottom of the outer wall of the blocking plate, the second material storage box is movably mounted on the outer wall of the baffle, the baffle is in contact with the arc wheel, an outflow hole is opened on the blocking plate, and the outflow hole is communicated with the discharge trough.

[0016] Preferably, a winding device is fixedly connected to the top of the outer wall of the base, a transmission device is fixedly connected to the top of the outer wall of the base, and a drying device is fixedly connected to the top of the outer wall of the base.

[0017] Preferably, the outer wall of the second rotating shaft is fixedly mounted with a first transmission wheel, the outer wall of the first transmission wheel is movably mounted with a first transmission belt, the second storage box is movably mounted on the outer wall of the first rotating rod, the outer wall of the first rotating rod is movably mounted with a second modification box, the outer wall of the first rotating rod is fixedly mounted with a second transmission wheel, the outer wall of the second transmission wheel is movably mounted with the first transmission belt, and the outer wall of the first rotating rod is equidistantly fixed with a first stirring blade.

[0018] Preferably, a second rotating rod is symmetrically and movably installed on the second storage box, a second stirring blade is equidistantly fixedly installed on the outer wall of the second rotating rod, a second modifying box is movably mounted on the outer wall of the second rotating rod, a fourth transmission wheel is fixedly mounted on the outer wall of the second rotating rod, a second transmission belt is movably mounted on the outer wall of the fourth transmission wheel, a third transmission wheel is fixedly mounted on the outer wall of the first rotating rod, and a second transmission belt is movably mounted on the outer wall of the third transmission wheel.

[0019] Preferably, a guide groove is provided on the second scraper, and the guide groove is communicated with the discharge chute.

[0020] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention realizes the simultaneous modification of both sides of the reverse osmosis membrane by installing a double-sided modification module, thereby improving the consistency and stability of the modification effect, reducing the operation steps and time of flipping the reverse osmosis membrane, and improving production efficiency; 2. The present invention realizes the stable coating function of the surface modifier colloid of the reverse osmosis membrane by installing a feeding module, solves the problem of production interruption caused by untimely delivery of the modifier colloid, and improves the continuity of the surface modification process of the reverse osmosis membrane; 3. The present invention realizes the control function of the thickness of the reverse osmosis membrane surface modifier layer by installing a spacing adjustment module, solves the problem that the modification equipment cannot adapt to reverse osmosis membranes of different thicknesses, and avoids uneven coating or missing coating caused by differences in membrane thickness; 4. The present invention realizes the function of adjusting the tension of the reverse osmosis membrane itself by installing a tension adjustment module, solves the problem of sliding or wrinkling caused by insufficient tension of the reverse osmosis membrane itself, prevents damage to the reverse osmosis membrane, and improves the flatness of the reverse osmosis membrane. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front view structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the double-sided modification module structure of the present invention; Figure 3 It is a schematic diagram of the structure of the spacing adjustment module of the present invention; Figure 4 It is a schematic diagram of the internal structure of the second modification box of the present invention; Figure 5 It is a schematic diagram of the internal structure of the second storage box of the present invention; Figure 6 It is a schematic diagram of the structure of the rotating mechanism of the present invention; Figure 7 It is a schematic diagram of the structure of the extrusion mechanism of the present invention; Figure 8 It is a schematic cross-sectional structural diagram of the second material storage box of the present invention.

[0022] In the figure: 1, base; 2, side plate; 3, first modification box; 4, second modification box; 5, winding device; 6, drying device; 7, first scraper; 8, first storage box; 9, first limit block; 10, first limit slot; 11, feeding slot; 12, first hose; 13, first spring; 14, second scraper; 15, second storage box; 16, feeding box; 17, second hose; 18, first rotating shaft; 19, second rotating shaft; 20, first coating roller; 21, second coating roller; 22, second motor; 23, first motor; 24, first transmission wheel; 25, first transmission belt; 26, first rotating rod; 27, second transmission wheel; 28, first stirring blade; 29, third transmission wheel; 30, second transmission belt; 31, discharging slot; 32, fourth transmission wheel; 33, fourth transmission wheel; 34, second Rotating rod; 35, second stirring blade; 36, fixed block; 37, moving block; 38, fixed frame; 39, double-axis motor; 40, second limiting block; 41, second limiting groove; 42, rotating shaft; 43, third motor; 44, arc wheel; 45, reset spring; 46, blocking plate; 47, outflow hole; 48, baffle; 49, adjusting roller; 50, first adjusting rod; 51, second spring; 52, first mounting block; 53, connecting shaft; 54, rotating gear plate; 55, first gear; 56, mounting plate; 57, fourth motor; 58, second mounting block; 59, fifth motor; 60, second gear; 61, moving gear plate; 62, moving plate; 63, mounting frame; 64, third spring; 65, connecting frame; 66, first roller; 67, second roller; 68, second adjusting rod; 69, transmission device. DETAILED DESCRIPTION

[0023] 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.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 , Figure 2 and Figure 3An embodiment of the present invention is as follows: a pollution-resistant large-flow reverse osmosis membrane surface modification device, comprising a base 1 and a double-sided modification module, the base 1 is equipped with a double-sided modification module, and the double-sided modification module is used for modifying the upper and lower surfaces of the reverse osmosis membrane at the same time; the double-sided modification module comprises: a first storage box 8, a second storage box 15, a first coating roller 20 and a second coating roller 21; the top of the outer wall of the base 1 is symmetrically fixedly connected with a side plate 2, the side wall of the side plate 2 is fixedly connected with a first modification box 3 and a second modification box 4, the bottom of the inner wall of the first modification box 3 is fixedly connected with the first storage box 8, and the first modification box 3 is movable sleeve The first rotating shaft 18 is mounted on the outer wall of the first rotating shaft 18, the first rotating shaft 18 is movably mounted on the side wall of the first motor 23, the side wall of the first motor 23 is fixedly connected with the first modifying box 3, the outer wall of the first rotating shaft 18 is fixedly sleeved with the first coating roller 20, the second modifying box 4 is movably sleeved on the outer wall of the second rotating shaft 19, the outer wall of the second rotating shaft 19 is fixedly sleeved with the second coating roller 21, the second rotating shaft 19 is movably mounted on the side wall of the second motor 22, the side wall of the second motor 22 is fixedly connected with the second modifying box 4, the top of the inner wall of the second modifying box 4 is fixedly connected with the second storage box 15, the bottom of the outer wall of the second storage box 15 A second scraper 14 is fixedly connected, a discharging trough 31 is provided at the bottom of the outer wall of the second storage box 15, a first scraper 7 is fixedly connected to the inner wall of the first modification box 3, and a second scraper 14 is fixedly connected to the bottom of the outer wall of the second storage box 15; a winding device 5 is fixedly connected to the top of the outer wall of the base 1, a transmission device 69 is fixedly connected to the top of the outer wall of the base 1, and a drying device 6 is fixedly connected to the top of the outer wall of the base 1; a spacing adjustment module is installed on the side plate 2, and the spacing adjustment module is used to adjust the distance between the first coating roller 20 and the second coating roller 21; the spacing adjustment module: a fixed block 36, a movable block 37, a double-axis electric The outer wall of the side panel 2 is symmetrically fixedly connected with a fixing frame 38, a dual-axis motor 39 is fixedly installed in the fixing frame 38, a rotating shaft 42 is symmetrically and movably installed on the outer wall of the dual-axis motor 39, a moving block 37 is movably mounted on the outer wall of the rotating shaft 42, a fixed block 36 is movably mounted on the outer wall of the rotating shaft 42, the outer wall of the fixed block 36 is fixedly connected with the side panel 2, the outer walls of the first modifying box 3 and the second modifying box 4 are respectively fixedly connected with a moving block 37, the side wall of the moving block 37 is fixedly connected with a second limiting block 40, the outer wall of the side panel 2 is symmetrically provided with a second limiting groove 41, and the outer wall of the second limiting block 40 is movably mounted with a second limiting groove 41.

[0027] Further, the staff installs the rolled reverse osmosis membrane on the winding device 5, passes one end of the reverse osmosis membrane through the transmission device 69, the first modification box 3, and the second modification box 4, and the staff starts the double-axis motor 39, and the double-axis motor 39 drives the rotating shafts 42 at both ends to rotate, and the rotating shaft 42 drives the moving block 37 to move, so that the two moving blocks 37 on the same vertical line gradually approach or move away, and the moving block 37 drives the first modification box 3 and the second modification box 4 to move, and the first modification box 3 and the second modification box 4 respectively drive the first coating roller 20 and the second coating roller 21 to move, so that the first coating roller 20 and the second coating roller 21 gradually approach or move away, and the staff adjusts the reverse osmosis membrane according to the thickness of the reverse osmosis membrane and the required thickness. The thickness of the modifier colloid to be coated is adjusted, and the required spacing between the first coating roller 20 and the second coating roller 21 is adjusted. After the adjustment is completed, the transmission device 69, the first motor 23 and the second motor 22 are started, the transmission device 69 drives the reverse osmosis membrane to move, the first motor 23 drives the first rotating shaft 18 to rotate, the first rotating shaft 18 drives the first coating roller 20 to rotate, and the lower surface of the first coating roller 20 rotates in the first storage box 8, so that the modifier colloid in the first storage box 8 adheres to the outer wall of the first coating roller 20, and the modifier colloid adhered to the outer wall of the first coating roller 20 rotates with the first coating roller 20, and the first scraper 7 performs a flattening treatment on the modifier colloid on the first coating roller 20, so that the first coating The thickness of the modifier colloid at each part of the coating roller 20 is consistent, the second motor 22 drives the second rotating shaft 19, the second rotating shaft 19 drives the second coating roller 21, the modifier colloid in the second storage box 15 gradually falls onto the second scraper 14 through the discharge trough 31, the modifier colloid gradually falls from the second scraper 14 onto the second coating roller 21, so that the modifier colloid gradually adheres to each part of the second coating roller 21, and rotates with the second coating roller 21, the second scraper 14 performs a flattening treatment on the modifier colloid on the outer wall of the second coating roller 21, and the reverse osmosis membrane gradually passes through the first coating roller 20 and the second coating roller 21 driven by the transmission device 69, and the first coating roller 20 drives the modifier colloid and the lower part of the reverse osmosis membrane The first coating roller 20 and the second coating roller 21 are in contact with each other, thereby coating the modifier colloid on the lower surface of the reverse osmosis membrane; the second coating roller 21 drives the modifier colloid to contact with the upper surface of the reverse osmosis membrane, thereby coating the modifier colloid on the upper surface of the reverse osmosis membrane; the drying device 6 dries the reverse osmosis membrane coated with the modifier colloid to complete the modification of the surface of the reverse osmosis membrane, thereby realizing the simultaneous modification of the upper and lower sides of the reverse osmosis membrane; the distance between the first coating roller 20 and the second coating roller 21 is adjusted by the dual-axis motor 39, thereby changing the contact pressure between the first coating roller 20 and the second coating roller 21 and the reverse osmosis membrane, thereby affecting the coating amount of the modifier during the coating process, and allowing the equipment to adapt to reverse osmosis membranes of different thicknesses.

[0028] See also Figure 1 and Figure 2An embodiment of the present invention is as follows: a pollution-resistant large water flow reverse osmosis membrane surface modification device, comprising a base 1 and a double-sided modification module, the base 1 is equipped with a double-sided modification module, the double-sided modification module is used for modifying the upper and lower surfaces of the reverse osmosis membrane at the same time; the double-sided modification module comprises: a first storage box 8, a second storage box 15, a first coating roller 20 and a second coating roller 21; a feeding module is installed on the first modification box 3 and the second modification box 4, the feeding module is used to replenish the modified colloid in the first storage box 8 and the second modification box 4; the feeding module comprises: a first hose 12, a first spring 13, a feeding box 16 and a second hose 17 A feeding box 16 is fixedly connected to the top of the outer wall of the second modified box 4, a first hose 12 and a second hose 17 are fixedly connected to the outer wall of the feeding box 16, a second storage box 15 is fixedly connected to the outer wall of the second hose 17, a first modified box 3 is fixedly connected to the side wall of the first hose 12, a feeding trough 11 is provided on the side wall of the first storage box 8, a first spring 13 is fixedly connected to the bottom of the outer wall of the first storage box 8, a first modifying box 3 is fixedly connected to the bottom of the outer wall of the first spring 13, a first limiting block 9 is fixedly connected to the side wall of the first storage box 8, a first limiting groove 10 is provided on the inner wall of the first modified box 3, and the first limiting groove 10 is movably mounted on the outer wall of the first limiting block 9.

[0029] Further, the first coating roller 20 coats the modifier colloid on the upper surface of the reverse osmosis membrane, and the modifier colloid in the first storage box 8 gradually adheres to the outer wall of the first coating roller 20, so that the modifier colloid in the first storage box 8 is gradually reduced, thereby gradually reducing the pressure on the first spring 13 under the first storage box 8, and the first spring 13 gradually recovers from the compressed state to the original state, and the first spring 13 drives the first storage box 8 to move upward, and the first storage box 8 drives the first limit block 9 to move in the first limit groove 10, and the first limit block 9 avoids the misalignment of the first storage box 8 when it moves, and the first storage box 8 drives the modifier colloid to move upward, so that the lower surface of the first coating roller 20 is always in contact with the modifier colloid, and when the feeding slot 11 on the first storage box 8 moves to be connected with the first hose 12, the feed box 16 is The modifier colloid gradually moves into the first storage box 8 through the first hose 12 and the feeding trough 11, and the modifier colloid in the first storage box 8 gradually increases, so that the pressure on the first spring 13 gradually increases, and the first spring 13 is gradually compressed, so that the first storage box 8 gradually moves downward, and the first storage box 8 drives the feeding trough 11 to move downward. When the feeding trough 11 is not connected with the first hose 12, the side wall of the first storage box 8 blocks the first hose 12, preventing the modifier colloid from entering the first storage box 8, avoiding excessive overflow of the modifier colloid in the first storage box 8; the modifier colloid in the feeding box 16 enters the second storage box 15 through the second hose 17, so that the modifier colloid in the second storage box 15 is always sufficient, thereby ensuring the continuity of the coating process of the first coating roller 20 and the continuity of the modification process.

[0030] See also Figure 1 , Figure 2 and Figure 6 An embodiment of the present invention is as follows: a surface modification device for a large water flow anti-pollution reverse osmosis membrane comprises a base 1 and a double-sided modification module, the base 1 is provided with a double-sided modification module, the double-sided modification module is used for modifying the upper and lower surfaces of the reverse osmosis membrane at the same time; the double-sided modification module comprises: a first material storage box 8, a second material storage box 15, a first coating roller 20 and a second coating roller 21; a tension adjustment module is installed on the first modification box 3, the tension adjustment module is used for adjusting the tension of the reverse osmosis membrane itself; the tension adjustment module uses a rotating mechanism or an extrusion mechanism, the rotating mechanism comprises: an adjustment roller 49, a first adjustment rod 50, a second spring 51, a fourth motor 57 and a second adjustment rod 68; the side wall of the first modification box 3 is symmetrically fixedly connected with a first mounting block 52, and the first mounting block 52 is movable. On the outer wall of the connecting shaft 53, a second adjusting rod 68 is fixedly mounted on the outer wall of the connecting shaft 53, and the second adjusting rod 68 is movably mounted on the outer wall of the first adjusting rod 50. The outer wall of the first adjusting rod 50 is fixedly connected to the second spring 51, and the outer wall of the first adjusting rod 50 is fixedly connected to the adjusting roller 49, and the second spring 51 is fixedly connected to the inner wall of the second adjusting rod 68. The outer wall of the connecting shaft 53 is fixedly connected to a rotating tooth plate 54, and the side wall of the first modified box 3 is fixedly connected to a mounting plate 56, and a fourth motor 57 is fixedly mounted on the mounting plate 56. The fourth motor 57 is connected to a first gear 55 through a rotating shaft, and the rotating tooth plate 54 is meshed with the first gear 55; the top of the outer wall of the base 1 is fixedly connected to a winding device 5, the top of the outer wall of the base 1 is fixedly connected to a transmission device 69, and the top of the outer wall of the base 1 is fixedly connected to a drying device 6.

[0031] Further, the transmission device 69 transmits the reverse osmosis membrane on the winding device 5 to between the first coating roller 20 and the second coating roller 21, the second spring 51 elastically pushes the first adjusting rod 50, the first adjusting rod 50 drives the adjusting roller 49 to contact with the lower surface of the reverse osmosis membrane, the staff starts the fourth motor 57 on the mounting plate 56, the fourth motor 57 drives the first gear 55 to rotate through the rotating shaft, the first gear 55 drives the rotating gear plate 54 to rotate, the rotating gear plate 54 drives the connecting shaft 53 to rotate in the first mounting block 52, the connecting shaft 53 drives the second adjusting rod 68 to rotate, the second adjusting rod 68 drives the first adjusting rod 50 to rotate, the first adjusting rod 50 drives the adjusting roller 49 to rotate, so that the contact position between the adjusting roller 49 and the reverse osmosis membrane changes, as the adjusting roller 49 gradually approaches the first modification box 3, the first adjusting rod 50 drives the adjusting roller 49 to rotate. The rod 50 moves in the second adjusting rod 68, and the first adjusting rod 50 gradually compresses the second spring 51, so that the elastic force of the first adjusting rod 50 applied by the second spring 51 gradually increases, and the pressure applied to the reverse osmosis membrane by the first adjusting rod 50 and the adjusting roller 49 gradually increases, so that the reverse osmosis membrane is gradually tightened, and the tension of the reverse osmosis membrane itself is gradually increased. By adjusting the rotation angle of the connecting shaft 53, the position of the first adjusting rod 50 and the second adjusting rod 68 is adjusted, and the contact position of the adjusting roller 49 and the reverse osmosis membrane is adjusted, the pressure applied to the reverse osmosis membrane by the adjusting roller 49 is adjusted, thereby changing the tension of the reverse osmosis membrane itself, avoiding insufficient tension of the reverse osmosis membrane itself, causing the reverse osmosis membrane to slip or wrinkle during the transmission and coating process, and then causing damage to the surface of the reverse osmosis membrane or uneven thickness, missing coating and other problems during the coating process.

[0032] See also Figure 1 and Figure 7, an embodiment provided by the present invention: a pollution-resistant large water flow reverse osmosis membrane surface modification device, comprising a base 1 and a double-sided modification module, the base 1 is equipped with a double-sided modification module, the double-sided modification module is used for modifying the upper and lower surfaces of the reverse osmosis membrane at the same time; the double-sided modification module comprises: a first storage box 8, a second storage box 15, a first coating roller 20 and a second coating roller 21; the tension adjustment module selects a rotating mechanism and an extrusion mechanism, the extrusion mechanism in the tension adjustment module comprises: a fifth motor 59, a moving plate 62, a third spring 64, a first roller 66 and a second roller 67; the side wall of the first modification box 3 is fixedly connected with a second mounting block 58, the second mounting block 58 is movably mounted on the outer wall of the moving plate 62, and the side wall of the moving plate 62 A movable tooth plate 61 is fixedly connected, a fifth motor 59 is fixedly installed in the second mounting block 58, the fifth motor 59 is connected to a second gear 60 via a rotating shaft, the second gear 60 is meshed with the movable tooth plate 61, a mounting frame 63 is fixedly connected to the top of the outer wall of the movable plate 62, a connecting frame 65 is movably mounted on the outer wall of the mounting frame 63, a first roller 66 is symmetrically and movably installed on the side wall of the connecting frame 65, a third spring 64 is fixedly connected to the top of the outer wall of the mounting frame 63, the third spring 64 is fixedly connected to the connecting frame 65 on the top of the outer wall, and the mounting frame 63 is connected to the second roller 67 via a rotating shaft; a winding device 5 is fixedly connected to the top of the outer wall of the base 1, a transmission device 69 is fixedly connected to the top of the outer wall of the base 1, and a drying device 6 is fixedly connected to the top of the outer wall of the base 1.

[0033] Further, the reverse osmosis membrane is passed through the first roller 66 and the second roller 67, so that the reverse osmosis membrane is above the first roller 66 and below the second roller 67, the third spring 64 applies elastic force to the connecting frame 65, the third spring 64 drives the connecting frame 65 to move upward, the connecting frame 65 drives the first roller 66 to move upward, the first roller 66 and the second roller 67 gradually squeeze the reverse osmosis membrane, so that the pressure exerted by the first roller 66 on the reverse osmosis membrane increases, thereby putting the reverse osmosis membrane in a taut state, increasing the tension of the reverse osmosis membrane itself, starting the fifth motor 59, the fifth motor 59 drives the second gear 60 to rotate, the second gear 60 drives the moving tooth plate 61 to move, the moving tooth plate 61 drives the moving plate 62 to move, and the moving plate 62 drives the installation The mounting frame 63 and the connecting frame 65 move, and the mounting frame 63 and the connecting frame 65 drive the second roller 67 and the first roller 66 respectively, and the first roller 66 and the second roller 67 drive the reverse osmosis membrane to move, thereby adjusting the position of the reverse osmosis membrane in the vertical direction, thereby ensuring that when the first coating roller 20 and the second coating roller 21 coat and modify the reverse osmosis membrane, the first coating roller 20 and the second coating roller 21 are respectively at the same distance from the reverse osmosis membrane, thereby ensuring that the thickness of the modifier coated on the upper and lower surfaces of the reverse osmosis membrane is consistent. Compared with the rotating mechanism, the extrusion mechanism can adjust the position of the reverse osmosis membrane in the vertical direction while adjusting the tension of the reverse osmosis membrane itself, thereby ensuring the consistency of the modifier adhesive layer on both sides of the reverse osmosis membrane.

[0034] See also Figure 2 and Figure 8 The present invention provides an embodiment: a pollution-resistant large water flow reverse osmosis membrane surface modification device, comprising a base 1 and a double-sided modification module, the base 1 is equipped with a double-sided modification module, the double-sided modification module is used for modifying the upper and lower surfaces of the reverse osmosis membrane at the same time; the double-sided modification module comprises: a first material storage box 8, a second material storage box 15, a first coating roller 20 and a second coating roller 21, the inner wall of the second modification box 4 is fixedly equipped with a third motor 43, the third motor 43 is connected to an arc wheel 44 through a rotating shaft, and the second storage ... The material box 15 is movably mounted on the outer wall of the blocking plate 46, and a return spring 45 is fixedly connected to the side wall of the blocking plate 46, and the side wall of the return spring 45 is fixedly connected to the second material storage box 15, and a baffle 48 is fixedly connected to the bottom of the outer wall of the blocking plate 46, and the outer wall of the baffle 48 is movably mounted with the second material storage box 15, and the baffle 48 is in contact with the arc wheel 44. An outflow hole 47 is provided on the blocking plate 46, and the outflow hole 47 is communicated with the discharge trough 31; a guide groove 32 is provided on the second scraper 14, and the guide groove 32 is communicated with the discharge trough 31.

[0035] Furthermore, when the equipment is not working, the shorter end of the arc wheel 44 contacts the baffle 48, and the outflow hole 47 on the baffle plate 46 is not connected to the discharge trough 31. During the process of surface modification of the reverse osmosis membrane, the staff first starts the third motor 43, and the third motor 43 drives the arc wheel 44 to rotate through the rotating shaft, so that the longer end of the arc wheel 44 faces the baffle 48, and the arc wheel 44 drives the baffle 48 to move, and the baffle 48 drives the baffle plate 46 to stretch the reset spring 45, so that the outflow hole 47 of the baffle plate 46 is connected to the discharge trough 31, and the modifier colloid in the second modification box 4 falls onto the second scraper 14 through the discharge trough 31, and the modifier colloid The modifier colloid falls onto the second coating roller 21 through the guide groove 32 on the second scraper 14. The guide groove 32 prevents the modifier colloid from flowing out from both sides of the second scraper 14 and falling onto the reverse osmosis membrane, thereby causing the thickness of the modifier adhesive layer on the reverse osmosis membrane to be uneven. After the modification is completed, the third motor 43 is started again. The third motor 43 drives the arc wheel 44 to rotate through the rotating shaft, so that the shorter end of the arc wheel 44 faces the baffle 48, and the reset spring 45 recovers from the stretched state. The reset spring 45 blocks the baffle plate 46, so that the outflow hole 47 on the baffle plate 46 is not connected to the discharge trough 31, so as to prevent the modifier adhesive from continuing to fall and prevent the waste of the modifier adhesive.

[0036] See also Figure 2 , Figure 4 and Figure 5An embodiment of the present invention is as follows: a pollution-resistant large water flow reverse osmosis membrane surface modification device, comprising a base 1 and a double-sided modification module, the base 1 is equipped with a double-sided modification module, the double-sided modification module is used for modifying the upper and lower surfaces of the reverse osmosis membrane at the same time; the double-sided modification module comprises: a first storage box 8, a second storage box 15, a first coating roller 20 and a second coating roller 21; the top of the outer wall of the base 1 is symmetrically fixedly connected with a side plate 2, the side wall of the side plate 2 is fixedly connected with a first modification box 3 and a second modification box 4, the second modification box 4 is movably sleeved on the outer wall of the second rotating shaft 19, the outer wall of the second rotating shaft 19 is fixedly sleeved with a second coating roller 21, and the second rotating shaft 19 is movably mounted on the side wall of the second motor 22; the outer wall of the second rotating shaft 19 is fixedly sleeved with a first transmission wheel 24, the outer wall of the first transmission wheel 24 A first transmission belt 25 is movably mounted on the outer wall of the first rotating rod 26, and a second modified box 4 is movably mounted on the outer wall of the first rotating rod 26. A second transmission wheel 27 is fixedly mounted on the outer wall of the second transmission wheel 27, and a first transmission belt 25 is movably mounted on the outer wall of the first rotating rod 26. First stirring blades 28 are fixedly installed at equal intervals on the outer wall of the first rotating rod 26; a second rotating rod 34 is symmetrically and movably mounted on the second storage box 15, and second stirring blades 35 are fixedly installed at equal intervals on the outer wall of the second rotating rod 34, and a second modified box 4 is movably mounted on the outer wall of the second rotating rod 34, and a fourth transmission wheel 33 is fixedly mounted on the outer wall of the second rotating rod 34, and a second transmission belt 30 is movably mounted on the outer wall of the fourth transmission wheel 33, and a third transmission wheel 29 is fixedly mounted on the outer wall of the first rotating rod 26, and a second transmission belt 30 is movably mounted on the outer wall of the third transmission wheel 29.

[0037] Further, in the process of surface modification of the reverse osmosis membrane, the second motor 22 drives the second rotating shaft 19 to rotate, the second rotating shaft 19 drives the second coating roller 21 to rotate, the second coating roller 21 drives the modifier colloid to contact the reverse osmosis membrane, and the modifier colloid is coated on the upper surface of the reverse osmosis membrane. At the same time, the second rotating shaft 19 drives the first transmission wheel 24, the first transmission wheel 24 drives the first transmission belt 25, the first transmission belt 25 drives the second transmission wheel 27, the second transmission wheel 27 drives the first rotating rod 26, the first rotating rod 26 drives the first stirring blade 28, the first rotating rod 26 drives the third transmission wheel 29 to rotate, the third transmission wheel 29 drives the second transmission belt 30 to rotate, the second transmission belt 30 drives the fourth transmission wheel 33 to rotate, the fourth transmission wheel 33 drives the second rotating rod 34 to rotate, the second rotating rod 34 drives the second stirring blade 35 to rotate, and the alternating first stirring blade 28 and second stirring blade 35 stir the modifier colloid in the second storage box 15 to prevent the modifier colloid from solidifying in the second storage box 15.

[0038] Working principle: the staff passes one end of the reverse osmosis membrane on the winding device 5 through the transmission device 69, the first modification box 3, and the second modification box 4. According to the thickness of the reverse osmosis membrane and the thickness of the modifier colloid to be coated, the double-axis motor 39 is started, and the double-axis motor 39 drives the rotating shaft 42 and the moving block 37 at both ends to move, and the moving block 37 drives the first modification box 3 and the second modification box 4 to move, and adjusts the required distance between the first coating roller 20 and the second coating roller 21; The fourth motor 57 is started, and the fourth motor 57 drives the first gear 55, the first gear 55, the rotating toothed plate 54, and the connecting shaft 53. The connecting shaft 53 drives the second adjusting rod 68, the first adjusting rod 50, and the adjusting roller 49 to rotate, so that the adjusting roller 49 gradually approaches the first modification box 3, and the first adjusting rod 50 gradually compresses the second spring 51, so that the second spring 51 squeezes the first adjusting rod 50, so that the pressure applied by the first adjusting rod 50 and the adjusting roller 49 to the reverse osmosis membrane gradually increases; After the adjustment is completed, the transmission device 69, the first motor 23 and the second motor 22 are started, the transmission device 69 drives the reverse osmosis membrane, the first motor 23 drives the first rotating shaft 18 and the first coating roller 20 to rotate, the second motor 22 drives the second rotating shaft 19 and the second coating roller 21, the first coating roller 20 drives the modifier colloid to contact the reverse osmosis membrane, and the modifier colloid is coated on the surface of the reverse osmosis membrane, and the drying device 6 dries the reverse osmosis membrane coated with the modifier colloid to complete the modification of the surface of the reverse osmosis membrane.

[0039] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A pollution-resistant large water flow reverse osmosis membrane surface modification device, characterized in that: It comprises a base (1) and a double-sided modification module, wherein the double-sided modification module is installed on the base (1), and the double-sided modification module is used for modifying the upper and lower surfaces of the reverse osmosis membrane simultaneously; The double-sided modification module comprises: a first material storage box (8), a second material storage box (15), a first coating roller (20) and a second coating roller (21); The top of the outer wall of the base (1) is symmetrically fixedly connected to a side plate (2); the side wall of the side plate (2) is fixedly connected to a first modification box (3) and a second modification box (4); the bottom of the inner wall of the first modification box (3) is fixedly connected to a first material storage box (8); the first modification box (3) is movably mounted on the outer wall of a first rotating shaft (18); the first rotating shaft (18) is movably mounted on the side wall of a first motor (23); the side wall of the first motor (23) is fixedly connected to the first modification box (3); the outer wall of the first rotating shaft (18) is fixedly mounted with a first coating roller (20); the second modification box (4) is movably mounted on the outer wall of the second rotating shaft (19); The second coating roller (21) is fixedly mounted on the outer wall of the second rotating shaft (19); the second rotating shaft (19) is movably mounted on the side wall of the second motor (22); the side wall of the second motor (22) is fixedly connected to a second modifying box (4); the top of the inner wall of the second modifying box (4) is fixedly connected to a second material storage box (15); the bottom of the outer wall of the second material storage box (15) is fixedly connected to a second scraper (14); the bottom of the outer wall of the second material storage box (15) is provided with a discharge trough (31); the inner wall of the first modifying box (3) is fixedly connected to a first scraper (7); and the bottom of the outer wall of the second material storage box (15) is fixedly connected to a second scraper (14).

2. The anti-pollution large water flow reverse osmosis membrane surface modification equipment according to claim 1, characterized in that: The first modification box (3) and the second modification box (4) are provided with a feeding module, and the feeding module is used to replenish the modified colloid in the first storage box (8) and the second modification box (4); The feeding module comprises: a first hose (12), a first spring (13), a feeding box (16) and a second hose (17); The top of the outer wall of the second modified box (4) is fixedly connected to a feeding box (16); the outer wall of the feeding box (16) is fixedly connected to a first hose (12) and a second hose (17); the outer wall of the second hose (17) is fixedly connected to a second storage box (15); the side wall of the first hose (12) is fixedly connected to the first modified box (3); the side wall of the first storage box (8) is provided with a feeding trough (11); the bottom of the outer wall of the first storage box (8) is fixedly connected to a first spring (13); the bottom of the outer wall of the first spring (13) is fixedly connected to the first modified box (3); the side wall of the first storage box (8) is fixedly connected to a first limiting block (9); the inner wall of the first modified box (3) is provided with a first limiting groove (10); the first limiting groove (10) is movably mounted on the outer wall of the first limiting block (9).

3. The anti-pollution large water flow reverse osmosis membrane surface modification equipment according to claim 1, characterized in that: A spacing adjustment module is installed on the side plate (2), and the spacing adjustment module is used to adjust the distance between the first coating roller (20) and the second coating roller (21); Spacing adjustment module: fixed block (36), moving block (37), dual-axis motor (39), rotating shaft (42); The outer wall of the side plate (2) is symmetrically fixedly connected with a fixing frame (38), a dual-axis motor (39) is fixedly installed in the fixing frame (38), a rotating shaft (42) is symmetrically and movably installed on the outer wall of the dual-axis motor (39), a moving block (37) is movably mounted on the outer wall of the rotating shaft (42), a fixing block (36) is movably mounted on the outer wall of the rotating shaft (42), the outer wall of the fixing block (36) is fixedly connected with the side plate (2), the outer walls of the first modified box (3) and the second modified box (4) are respectively fixedly connected with the moving block (37), the side walls of the moving block (37) are fixedly connected with the second limiting block (40), the outer wall of the side plate (2) is symmetrically provided with a second limiting groove (41), and the outer wall of the second limiting block (40) is movably mounted with the second limiting groove (41).

4. The anti-pollution large water flow reverse osmosis membrane surface modification equipment according to claim 1, characterized in that: The first modification box (3) is provided with a tension adjustment module, and the tension adjustment module is used to adjust the tension of the reverse osmosis membrane itself; The tension adjustment module is selected from a rotating mechanism and a squeezing mechanism, wherein the rotating mechanism comprises: an adjusting roller (49), a first adjusting rod (50), a second spring (51), a fourth motor (57) and a second adjusting rod (68); The side wall of the first modified box (3) is symmetrically fixedly connected with a first mounting block (52), the first mounting block (52) is movably mounted on the outer wall of the connecting shaft (53), the outer wall of the connecting shaft (53) is fixedly mounted with a second adjusting rod (68), the second adjusting rod (68) is movably mounted on the outer wall of the first adjusting rod (50), the outer wall of the first adjusting rod (50) is fixedly connected with a second spring (51), the outer wall of the first adjusting rod (50) is fixedly connected with an adjusting roller (49), the second spring (51) is fixedly connected to the inner wall of the second adjusting rod (68), the outer wall of the connecting shaft (53) is fixedly connected with a rotating toothed plate (54), the side wall of the first modified box (3) is fixedly connected with a mounting plate (56), a fourth motor (57) is fixedly mounted on the mounting plate (56), the fourth motor (57) is connected to a first gear (55) via a rotating shaft, and the rotating toothed plate (54) is meshed with the first gear (55).

5. The pollution-resistant large water flow reverse osmosis membrane surface modification equipment according to claim 4 is characterized by: The squeezing mechanism in the tension adjustment module comprises: a fifth motor (59), a moving plate (62), a third spring (64), a first roller (66) and a second roller (67); A second mounting block (58) is fixedly connected to the side wall of the first modified box (3), and the second mounting block (58) is movably mounted on the outer wall of the movable plate (62). A movable tooth plate (61) is fixedly connected to the side wall of the movable plate (62). A fifth motor (59) is fixedly mounted in the second mounting block (58), and the fifth motor (59) is connected to a second gear (60) via a rotating shaft. The second gear (60) is meshed with the movable tooth plate (61). A mounting frame (63) is fixedly connected to the top of the outer wall of the movable plate (62). A connecting frame (65) is movably mounted on the outer wall of the mounting frame (63). A first roller (66) is symmetrically and movably mounted on the side wall of the connecting frame (65). A third spring (64) is fixedly connected to the top of the outer wall of the mounting frame (63), and the third spring (64) is fixedly connected to the connecting frame (65) at the top of the outer wall. The mounting frame (63) is connected to the second roller (67) via a rotating shaft.

6. The pollution-resistant large water flow reverse osmosis membrane surface modification equipment according to claim 1, characterized in that: A third motor (43) is fixedly mounted on the inner wall of the second modification box (4), and the third motor (43) is connected to an arc wheel (44) via a rotating shaft. The second material storage box (15) is movably mounted on the outer wall of the blocking plate (46), and a return spring (45) is fixedly connected to the side wall of the blocking plate (46), and the side wall of the return spring (45) is fixedly connected to the second material storage box (15). A baffle (48) is fixedly connected to the bottom of the outer wall of the blocking plate (46), and the outer wall of the baffle (48) is movably mounted with the second material storage box (15), and the baffle (48) is in contact with the arc wheel (44). An outflow hole (47) is formed on the blocking plate (46), and the outflow hole (47) is communicated with the discharge trough (31).

7. The pollution-resistant large water flow reverse osmosis membrane surface modification equipment according to claim 1, characterized in that: The top of the outer wall of the base (1) is fixedly connected to a winding device (5), the top of the outer wall of the base (1) is fixedly connected to a transmission device (69), and the top of the outer wall of the base (1) is fixedly connected to a drying device (6).

8. The pollution-resistant large water flow reverse osmosis membrane surface modification equipment according to claim 1, characterized in that: The outer wall of the second rotating shaft (19) is fixedly mounted with a first transmission wheel (24), the outer wall of the first transmission wheel (24) is movably mounted with a first transmission belt (25), the second material storage box (15) is movably mounted on the outer wall of the first rotating rod (26), the outer wall of the first rotating rod (26) is movably mounted with a second modification box (4), the outer wall of the first rotating rod (26) is fixedly mounted with a second transmission wheel (27), the outer wall of the second transmission wheel (27) is movably mounted with the first transmission belt (25), and the outer wall of the first rotating rod (26) is fixedly mounted with a first stirring blade (28) at equal intervals.

9. The pollution-resistant large water flow reverse osmosis membrane surface modification equipment according to claim 1, characterized in that: A second rotating rod (34) is symmetrically and movably mounted on the second material storage box (15); a second stirring blade (35) is equidistantly and fixedly mounted on the outer wall of the second rotating rod (34); a second modifying box (4) is movably mounted on the outer wall of the second rotating rod (34); a fourth transmission wheel (33) is fixedly mounted on the outer wall of the second rotating rod (34); a second transmission belt (30) is movably mounted on the outer wall of the fourth transmission wheel (33); a third transmission wheel (29) is fixedly mounted on the outer wall of the first rotating rod (26); and a second transmission belt (30) is movably mounted on the outer wall of the third transmission wheel (29).

10. The pollution-resistant large water flow reverse osmosis membrane surface modification equipment according to claim 1, characterized in that: The second scraper (14) is provided with a guide groove (32), and the guide groove (32) is communicated with the discharge groove (31).

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