CN110465200B - Wide-flow-channel pollution-resistant reverse osmosis membrane element - Google Patents
Wide-flow-channel pollution-resistant reverse osmosis membrane element Download PDFInfo
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- CN110465200B CN110465200B CN201910774061.6A CN201910774061A CN110465200B CN 110465200 B CN110465200 B CN 110465200B CN 201910774061 A CN201910774061 A CN 201910774061A CN 110465200 B CN110465200 B CN 110465200B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
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Abstract
The invention discloses a wide-flow-channel pollution-resistant reverse osmosis membrane element, which comprises a membrane element body and end covers arranged at two ends of the membrane element body, wherein the membrane element body consists of a central pipe provided with a plurality of through holes and reverse osmosis membranes wound on the central pipe; the reinforcing plate is matched and connected with the end cover body through the sliding groove, so that the reinforcing plate is convenient to mount and dismount and replace and maintain, the reinforcing plate is of an arc-shaped structure, and the reinforcing plate has good impact resistance and can prolong the service life in the process of impacting the reinforcing plate by water.
Description
Technical Field
The invention relates to the technical field of reverse osmosis membrane elements, in particular to a wide-flow-channel pollution-resistant reverse osmosis membrane element.
Background
The reverse osmosis membrane is widely applied to the fields of electric power, petrochemical industry, steel, electronics, medicines, food and beverage, municipal administration, environmental protection and the like, and plays an important role in seawater and brackish water desalination, boiler feed water, industrial pure water and electronic grade ultrapure water preparation, drinking pure water production, wastewater treatment and special separation processes. The existing reverse osmosis membrane can be classified into the following types, tubular type, plate frame type, hollow fiber and roll type according to the appearance characteristics. The rolled reverse osmosis membrane is made up by using grid-like plastic net, membrane and braided fabric which are overlapped together and winded on a plastic pipe whose whole body is perforated. The membrane is sealed into a sealable bag by sealant, and the inlet water is collected into a plastic pipe by woven cloth in the sealable bag after being filtered on the surface of the membrane and finally collected into a flow. The reverse osmosis membrane has stable chemical properties, small performance fluctuation and long service life, is more accepted by the market than other varieties, and is a main variety of the current reverse osmosis membrane.
However, the existing roll-type reverse osmosis membrane directly adopts a latticed plastic net and a membrane to be wound on a plastic pipe, so that the purified water is slowly transferred and collected in the using process, the utilization rate of the membrane is low, and unnecessary resource waste is caused; meanwhile, the reverse osmosis membrane has uneven water distribution, lower membrane surface washing force, easy accumulation of pollutant amount, short cleaning period, difficult cleaning after the membrane element is polluted, and lower system efficiency; the reinforcing plate is inconvenient to mount and dismount, and the impact resistance of the reinforcing plate is improved; when the preparation reverse osmosis membrane element, need cutting equipment to cut reverse osmosis membrane simultaneously, but current cutting equipment is not convenient for adjust, can only cut the reverse osmosis membrane of single shape, and the practicality is poor.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a wide-flow-passage pollution-resistant reverse osmosis membrane element which comprises the following components:
according to the invention, the fresh water collecting net and the water inlet separation net are additionally arranged, so that the width of a water inlet flow channel of the membrane element is increased, and after the width of the water inlet flow channel is increased, the membrane surface flushing force is increased, so that the pollutant accumulation is reduced, the anti-pollution capacity of the membrane element is increased, and the cleaning period is prolonged; the membrane element is easy to clean after being polluted; meanwhile, the width of the water inlet flow channel is increased, so that the pressure difference between the front and the rear of the membrane element is reduced, and the system efficiency is improved;
the reinforcing plate is in an arc-shaped structure, so that the reinforcing plate has good impact resistance and can prolong the service life of the end cover body in the process of impacting the end cover body by water;
the first screw rod drives the second sliding block and the first sliding block to move in opposite directions or in back directions, so that the distance between the two cutting knives can be conveniently adjusted, and the fabrics with different widths can be cut; the second screw rod drives the mounting plate to ascend and descend through the third sliding block, so that the distance between the cutting knife and the reverse osmosis membrane can be conveniently adjusted, and the use is convenient; four groups of compression rollers are propped against the four corners of the reverse osmosis membrane under the reaction force of the spring, so that the deviation is avoided in the cutting process, and the cutting error is large.
The purpose of the invention can be realized by the following technical scheme:
a wide-flow-channel pollution-resistant reverse osmosis membrane element comprises a membrane element body and end covers arranged at two ends of the membrane element body, wherein the membrane element body is composed of a central pipe provided with a plurality of through holes and reverse osmosis membranes wound on the central pipe, the membrane element body further comprises a water inlet separation net and a fresh water collecting net, the reverse osmosis membranes are staggered and folded into two pieces, the water inlet separation net is arranged between the folded reverse osmosis membranes, and the folded reverse osmosis membranes are sealed and fixed with the fresh water collecting net through resin sealant;
the end cover comprises an end cover body, a reinforcing plate, a mounting hole and a sliding groove, the mounting hole is formed in the center of the end cover body, the reinforcing plate is connected with the inner side of the end cover body through the reinforcing plate on the outer side of the mounting hole, the reinforcing plate is fixedly connected with the mounting hole and is connected with the end cover body through the sliding groove in a matched mode, the reinforcing plate is of an arc-shaped structure, and the reinforcing plate is located in the end cover body.
As a further scheme of the invention: the manufacturing method of the reverse osmosis membrane element comprises the following steps:
the method comprises the following steps that firstly, cut reverse osmosis membranes are staggered and folded into two pieces, then a water inlet separation net is arranged between the folded reverse osmosis membranes, the folded reverse osmosis membranes are sealed with resin sealant and three sides of a fresh water collecting net, and the other sides of the folded reverse osmosis membranes are tightened and coiled in a spiral line mode by a central pipe to obtain a pretreated reverse osmosis membrane element;
step two, cutting the pretreatment reverse osmosis membrane element through cutting equipment; firstly, placing a coiled pretreatment reverse osmosis membrane element between a reel and a first fixed disc, then winding one end of the pretreatment reverse osmosis membrane element on a winding mechanism, starting a fifth motor to drive a second rotating shaft to rotate for winding, cutting two sides of the pretreatment reverse osmosis membrane element through a cutting mechanism, removing surface scraps through a lower scrap removing roller and an upper scrap removing roller of a scrap removing mechanism, and finally winding through the winding mechanism to obtain the cut reverse osmosis membrane element;
step three, clamping the reinforcing plate in the chute, and sleeving end covers at two ends of the cut reverse osmosis membrane element; thus obtaining the finished reverse osmosis membrane element.
As a further scheme of the invention: the cutting equipment comprises an operating platform, a cutting groove, a scrap removing mechanism, an unwinding mechanism, a cutting mechanism and a winding mechanism, wherein the unwinding mechanism is fixedly mounted at one end of the top of the operating platform, the cutting mechanism is fixedly mounted at one side of the unwinding mechanism, the scrap removing mechanism is fixedly mounted at one side of the cutting mechanism, and the winding mechanism is fixedly mounted at one side of the scrap removing mechanism;
the cutting mechanism comprises side plates, an L-shaped connecting rod, a spring, a compression roller, a groove, a T-shaped rod, a second motor, a first slide block, a slide rail, a first screw rod, a mounting plate, a second slide block, a third motor, a connecting plate, a cutting knife, a first gear, a second screw rod, a third slide block, a guide rod, a fourth motor and a second gear, wherein the fourth motor is fixedly arranged on the outer sides of the two side plates, the output shaft of the fourth motor is connected with a second gear, the second gear is connected with the first gear through a chain, the first gear is arranged on a second lead screw which is vertically arranged, the second lead screw is arranged at the inner side of the side plate in a transmission way, guide rods are symmetrically arranged on two sides of the second screw rod, a third slide block is connected on the second screw rod in a threaded manner, the third sliding block is fixedly provided with an installation plate, and the installation plate is connected with the two guide rods in a sliding manner;
a slide rail is fixedly installed at the bottom of the installation plate, a third motor is fixedly installed on one side of the slide rail, an output shaft of the third motor is connected with a first lead screw arranged on the slide rail, a first slide block and a second slide block are sleeved on the first lead screw, connecting plates are fixedly installed at the bottoms of the first slide block and the second slide block, second motors are fixedly installed on the inner sides of the two connecting plates, and output shafts of the second motors are connected with a cutting knife;
the inner sides of the two side plates are fixedly provided with L-shaped connecting rods, one sides of the L-shaped connecting rods, which are far away from the side plates, are provided with grooves, springs are fixedly arranged inside the grooves, T-shaped rods are fixedly arranged at the bottoms of the springs, and the bottoms of the T-shaped rods are in transmission connection with compression rollers; the compression roller is provided with four groups, and two groups of compression rollers are arranged on two sides of each cutting knife.
As a further scheme of the invention: the unwinding mechanism comprises a first supporting seat, a unwinding disc, a first fixed disc, a first rotating shaft, a first adjusting roller and first adjusting blocks, the first supporting seat is fixed on an operating platform, the operating platform is in transmission connection with the first rotating shaft, the unwinding disc is sleeved on the first rotating shaft, the first rotating shaft is in threaded connection with the first fixed disc, the operating platform is in transmission connection with the first adjusting roller, the first adjusting roller is provided with two first adjusting blocks, and the two first adjusting blocks are fixed through bolts;
winding mechanism includes fifth motor, second supporting seat, second regulating roller, second pivot, second fixed disk, rolling dish and second regulating block, fixed mounting has the fifth motor on the second supporting seat, the output shaft and the second pivot of fifth motor are connected, rolling dish and second fixed disk have been cup jointed in the second pivot, second fixed disk and second pivot threaded connection, the transmission is connected with the second regulating roller on the second supporting seat, be provided with two second regulating blocks on the second regulating roller, two the second regulating block passes through the bolt fastening.
As a further scheme of the invention: the scrap removing mechanism comprises a support, a lower scrap removing roller, a guide roller, a first motor, a first synchronous pulley, a second synchronous pulley, a U-shaped plate, an upper scrap removing roller, a piston rod and a cylinder, the cylinder is fixedly mounted at the top of the support, the U-shaped plate is fixedly connected with the bottom of the cylinder through the piston rod, the U-shaped plate is connected with the support in a sliding mode, the U-shaped plate is connected with the upper scrap removing roller in a transmission mode, the lower scrap removing roller is arranged under the upper scrap removing roller, one side of the lower scrap removing roller is connected with the second synchronous pulley through a transmission shaft, the first motor is fixedly mounted under the lower scrap removing roller, an output shaft of the first motor is connected with the first synchronous pulley, the first synchronous pulley is connected with the second synchronous pulley through a belt, the guide roller is arranged on the support, and the guide roller is arranged in parallel with the lower scrap removing roller.
As a further scheme of the invention: and a cutting groove for cutting by the cutting knife is formed in the top of the operating platform.
As a further scheme of the invention: two sections of threads are arranged on the first screw rod, and the thread directions of the two sections of threads are opposite.
The invention has the beneficial effects that:
according to the invention, the fresh water collecting net and the water inlet separation net are additionally arranged, so that the width of a water inlet flow channel of the membrane element is increased, and after the width of the water inlet flow channel is increased, the membrane surface flushing force is increased, so that the pollutant accumulation is reduced, the anti-pollution capacity of the membrane element is increased, and the cleaning period is prolonged; the membrane element is easy to clean after being polluted; meanwhile, the width of the water inlet flow channel is increased, so that the pressure difference between the front and the rear of the membrane element is reduced, and the system efficiency is improved;
the reinforcing plate is in an arc-shaped structure, so that the reinforcing plate has good impact resistance and can prolong the service life of the end cover body in the process of impacting the end cover body by water;
firstly, placing rolled reverse osmosis membrane elements between an unreeling disc and a first fixed disc, wherein the first fixed disc is in threaded connection with a first rotating shaft, so that the position of the first fixed disc is convenient to adjust, the reverse osmosis membrane elements with different widths are convenient to place, then winding one end of each reverse osmosis membrane element on a winding mechanism, starting a fifth motor to drive a second rotating shaft to rotate for winding, and firstly, cutting two sides of each reverse osmosis membrane element through a cutting mechanism; firstly, four groups of compression rollers are abutted against four corners of a reverse osmosis membrane element under the reaction force of a spring, so that the situation that deviation occurs in the cutting process to cause poor cutting effect is avoided, then a fourth motor is driven to drive a second gear to rotate, the second gear drives a first gear to rotate through a chain and further drives a second lead screw to rotate, the second lead screw further drives a mounting plate to ascend and descend through a third sliding block, the distance between a cutting knife and the reverse osmosis membrane element is adjusted, then a third motor is driven to drive a first lead screw to rotate, the first lead screw further drives a second sliding block and the first sliding block to move in opposite directions or in the opposite direction, the distance between the second sliding block and the first sliding block is adjusted, namely the distance between the two cutting knives is adjusted, and fabrics with different widths can be cut; the second motor is driven to drive the cutting knife to rotate, and the cut waste materials flow down through the cutting groove, so that the inconvenience of cutting is avoided; then removing surface debris through a lower debris removing roller and an upper debris removing roller; the first motor drives the first synchronous belt pulley to rotate by driving the first motor, the first synchronous belt pulley drives the second synchronous belt pulley to rotate by a belt, and the second synchronous belt pulley drives the lower scrap removing roller to convey reverse osmosis membrane elements; meanwhile, the air cylinder is driven, and the piston rod drives the upper scrap removing roller to lift, so that the distance between the lower scrap removing roller and the upper scrap removing roller can be adjusted, the reverse osmosis membrane element is convenient to adapt to reverse osmosis membrane elements with different thicknesses, and the practicability is high; and finally, winding through a winding mechanism.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the construction of a reverse osmosis membrane element of the present invention;
FIG. 2 is a schematic view of a partially developed reverse osmosis membrane element of the present invention;
FIG. 3 is a schematic view of the end cap construction of the present invention;
FIG. 4 is a schematic view of a stiffener structure according to the present invention;
FIG. 5 is a schematic view of the overall construction of the cutting apparatus of the present invention;
FIG. 6 is a schematic view of the overall structure of the chip removing mechanism according to the present invention;
FIG. 7 is a schematic view of the cutting mechanism of the present invention;
FIG. 8 is a schematic view of the back side structure of the side panel of the present invention;
FIG. 9 is a front view of the side panel of the present invention;
FIG. 10 is a schematic view of an overall structure of an unwinding mechanism according to the present invention;
fig. 11 is a schematic view of the overall structure of the winding mechanism in the present invention.
In the figure: 1. a membrane element body; 11. a central tube; 111. a through hole; 12. a reverse osmosis membrane; 13. a fresh water collection net; 14. a water inlet separation net; 2. an end cap; 21. an end cap body; 22. a reinforcing plate; 23. mounting holes; 24. a chute; 3. an operation table; 31. cutting the groove; 4. a scrap removing mechanism; 5. an unwinding mechanism; 6. a cutting mechanism; 7. a winding mechanism; 41. a support; 42. a lower scrap removing roller; 43. a guide roller; 44. a first motor; 45. a first timing pulley; 46. a second timing pulley; 47. a U-shaped plate; 48. a chip removing roller is arranged; 49. a piston rod; 410. a cylinder; 51. a first support base; 52. placing the reel; 53. a first fixed disk; 54. a first rotating shaft; 55. a first regulating roller; 56. a first regulating block; 61. a side plate; 62. an L-shaped connecting rod; 63. a spring; 64. a compression roller; 65. a groove; 66. a T-shaped rod; 67. a second motor; 68. a first slider; 69. a slide rail; 610. a first lead screw; 611. mounting a plate; 612. a second slider; 613. a third motor; 614. a connecting plate; 615. a cutting knife; 616. a first gear; 617. a second lead screw; 618. a third slider; 619. a guide bar; 620. a fourth motor; 621. a second gear; 71. a fifth motor; 72. a second support seat; 73. a second dancer roll; 74. a second rotating shaft; 75. a second fixed disk; 76. a winding disc; 77. and a second adjusting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, a wide flow channel contamination-resistant reverse osmosis membrane element comprises a membrane element body 1 and end caps 2 arranged at two ends of the membrane element body 1, wherein the membrane element body 1 is composed of a central tube 11 provided with a plurality of through holes 111 and a reverse osmosis membrane 12 wound on the central tube 11, the membrane element body 1 further comprises a water inlet separation net 14 and a fresh water collection net 13, the reverse osmosis membrane 12 is staggered and folded into two pieces, the water inlet separation net 14 is arranged between the folded reverse osmosis membrane 12, and the folded reverse osmosis membrane 12 is sealed and fixed with the fresh water collection net 13 through a resin sealant;
the end cover 2 comprises an end cover body 21, a reinforcing plate 22, a mounting hole 23 and a sliding groove 24, the mounting hole 23 is formed in the center of the end cover body 21, the reinforcing plate 22 is connected with the inner side of the end cover body 21 on the outer side of the mounting hole 23 through the reinforcing plate 22, the reinforcing plate 22 is fixedly connected with the mounting hole 23 and is connected with the end cover body 21 through the sliding groove 24 in a matched mode, the reinforcing plate 22 is of an arc-shaped structure, and the reinforcing plate 22 is located in the end cover body 21.
The manufacturing method of the reverse osmosis membrane element comprises the following steps:
step one, the cut reverse osmosis membrane 12 is staggered and folded into two pieces, then the water inlet separation net 14 is arranged between the folded reverse osmosis membrane 12, the folded reverse osmosis membrane 12 is sealed with three sides of the fresh water collecting net 13 through resin sealant, and the other side of the folded reverse osmosis membrane 12 is tightened and coiled in a spiral line form by the central pipe 11 to obtain a pretreated reverse osmosis membrane element;
step two, cutting the pretreatment reverse osmosis membrane element through cutting equipment; firstly, placing a coiled pretreatment reverse osmosis membrane element between the unreeling disc 52 and the first fixing disc 53, then winding one end of the pretreatment reverse osmosis membrane element on the reeling mechanism 7, starting the fifth motor 71 to drive the second rotating shaft 74 to rotate for reeling, firstly cutting two sides of the pretreatment reverse osmosis membrane element through the cutting mechanism 6, then removing surface scraps through the lower scrap removing roller 42 and the upper scrap removing roller 48 of the scrap removing mechanism 4, and finally reeling by the reeling mechanism 7 to obtain the cut reverse osmosis membrane element;
step three, clamping the reinforcing plate 22 in the chute 24, and sleeving the end covers 2 at two ends of the cut reverse osmosis membrane element; thus obtaining the finished reverse osmosis membrane element.
As shown in fig. 5-11, the cutting device includes an operation table 3, a cutting groove 31, a scrap removing mechanism 4, an unwinding mechanism 5, a cutting mechanism 6, and a winding mechanism 7, wherein the unwinding mechanism 5 is fixedly installed at one end of the top of the operation table 3, the cutting mechanism 6 is fixedly installed at one side of the unwinding mechanism 5, the scrap removing mechanism 4 is fixedly installed at one side of the cutting mechanism 6, and the winding mechanism 7 is fixedly installed at one side of the scrap removing mechanism 4;
the unwinding mechanism 5 comprises a first supporting seat 51, an unwinding disc 52, a first fixed disc 53, a first rotating shaft 54, a first adjusting roller 55 and first adjusting blocks 56, the first supporting seat 51 is fixed on the operating platform 3, the operating platform 3 is in transmission connection with the first rotating shaft 54, the unwinding disc 52 is sleeved on the first rotating shaft 54, the first rotating shaft 54 is in threaded connection with the first fixed disc 53, the operating platform 3 is in transmission connection with the first adjusting roller 55, the first adjusting roller 55 is provided with two first adjusting blocks 56, and the two first adjusting blocks 56 are fixed through bolts;
the scrap removing mechanism 4 comprises a support 41, a lower scrap removing roller 42, a guide roller 43, a first motor 44, a first synchronous pulley 45, a second synchronous pulley 46, a U-shaped plate 47, an upper scrap removing roller 48, a piston rod 49 and a cylinder 410, wherein the cylinder 410 is fixedly mounted at the top of the support 41, the bottom of the cylinder 410 is fixedly connected with the U-shaped plate 47 through the piston rod 49, the U-shaped plate 47 is slidably connected with the support 41, the upper scrap removing roller 48 is connected onto the U-shaped plate 47 in a transmission manner, the lower scrap removing roller 42 is arranged under the upper scrap removing roller 48, one side of the lower scrap removing roller 42 is connected with the second synchronous pulley 46 through a transmission shaft, the first motor 44 is fixedly mounted under the lower scrap removing roller 42, an output shaft of the first motor 44 is connected with the first synchronous pulley 45, the first synchronous pulley 45 is connected with the second synchronous pulley 46 through a belt, the guide roller 43 is arranged on the support 41, the guide roller 43 is arranged in parallel with the lower scrap removing roller 42;
the cutting mechanism 6 comprises a side plate 61, an L-shaped connecting rod 62, a spring 63, a pressing roller 64, a groove 65, a T-shaped rod 66, a second motor 67, a first sliding block 68, a sliding rail 69, a first screw rod 610, a mounting plate 611, a second sliding block 612, a third motor 613, a connecting plate 614, a cutting knife 615, a first gear 616, a second screw rod 617, a third sliding block 618, a guide rod 619, a fourth motor 620 and a second gear 621, wherein the outer sides of the two side plates 61 are fixedly provided with the fourth motor 620, the output shaft of the fourth motor 620 is connected with the second gear 621, the second gear 621 is connected with the first gear 616 through a chain, the first gear 616 is mounted on the second screw rod 617 which is vertically arranged, the second screw rod 617 is arranged on the inner side plate 61 in a transmission manner, the guide rods 619 are symmetrically mounted on two sides of the second screw rod 617, the second screw rod 617 is in threaded connection with the third sliding block 618, a mounting plate 611 is fixedly mounted on the third slider 618, and the mounting plate 611 is slidably connected with the two guide rods 619;
a slide rail 69 is fixedly mounted at the bottom of the mounting plate 611, a third motor 613 is fixedly mounted at one side of the slide rail 69, an output shaft of the third motor 613 is connected with a first screw 610 arranged on the slide rail 69, two sections of threads are arranged on the first screw 610, the thread directions of the two sections of threads are opposite, a first slider 68 and a second slider 612 are sleeved on the first screw 610, connecting plates 614 are fixedly mounted at the bottoms of the first slider 68 and the second slider 612, a second motor 67 is fixedly mounted at the inner sides of the two connecting plates 614, and an output shaft of the second motor 67 is connected with a cutting knife 615;
the inner sides of the two side plates 61 are fixedly provided with L-shaped connecting rods 62, one side of each L-shaped connecting rod 62, which is far away from the side plate 61, is provided with a groove 65, a spring 63 is fixedly arranged inside each groove 65, the bottom of each spring 63 is fixedly provided with a T-shaped rod 66, and the bottom of each T-shaped rod 66 is in transmission connection with a press roller 64; four groups of compression rollers 64 are arranged, and two groups of compression rollers 64 are arranged on two sides of each cutting knife 615; the top of the operating platform 3 is provided with a cutting groove 31 for cutting by a cutting knife 615;
winding mechanism 7 includes fifth motor 71, second supporting seat 72, second regulating roller 73, second pivot 74, second fixed disk 75, rolling disk 76 and second regulating block 77, fixed mounting has fifth motor 71 on the second supporting seat 72, the output shaft of fifth motor 71 is connected with second pivot 74, rolling disk 76 and second fixed disk 75 have been cup jointed in second pivot 74, second fixed disk 75 and second pivot 74 threaded connection, the transmission is connected with second regulating roller 73 on the second supporting seat 72, be provided with two second regulating block 77 on the second regulating roller 73, two second regulating block 77 passes through the bolt fastening.
The working principle of the invention is as follows: by additionally arranging the fresh water collecting net 13 and the water inlet separation net 14, the width of a water inlet flow channel of the membrane element is increased, and after the width of the water inlet flow channel is increased, the membrane surface flushing force is increased, so that the pollutant accumulation is reduced, the anti-pollution capacity of the membrane element is increased, and the cleaning period is prolonged; the membrane element is easy to clean after being polluted; meanwhile, the width of the water inlet flow channel is increased, so that the pressure difference between the front and the rear of the membrane element is reduced, and the system efficiency is improved;
the reinforcing plate 22 is connected with the end cover body 21 through the sliding groove 24 in a matched mode, so that the reinforcing plate 22 is convenient to mount and dismount and convenient to replace and maintain, the reinforcing plate 22 is of an arc-shaped structure, and the reinforcing plate has good impact resistance and can prolong the service life in the process of impacting the reinforcing plate by water;
firstly, placing rolled reverse osmosis membrane elements between an unreeling disc 52 and a first fixed disc 53, connecting the first fixed disc 53 and a first rotating shaft 54 through threads, conveniently adjusting the position of the first fixed disc 53 and conveniently placing reverse osmosis membrane elements with different widths, then winding one end of each reverse osmosis membrane element on a winding mechanism 7, starting a fifth motor 71 to drive a second rotating shaft 74 to rotate for winding, and firstly cutting two sides of each reverse osmosis membrane element through a cutting mechanism 6; firstly, four groups of pressing rollers 64 are abutted against four corners of a reverse osmosis membrane element under the reaction force of a spring 63, then a fourth motor 620 is driven to drive a second gear 621 to rotate, the second gear 621 drives a first gear 616 to rotate through a chain so as to drive a second lead screw 617 to rotate, the second lead screw 617 further drives a mounting plate 611 to ascend and descend through a third slide block 618, the distance between a cutting knife 615 and the reverse osmosis membrane element is adjusted, then a third motor 613 is driven to drive a first lead screw 610 to rotate, the first lead screw 610 further drives a second slide block 612 and a first slide block 68 to move oppositely or reversely, the distance between the second slide block 612 and the first slide block 68 is adjusted, namely the distance between the two cutting knives 615 is adjusted, and fabrics with different widths can be cut; the second motor 67 is driven to drive the cutting knife 615 to rotate, and the cut waste materials flow down through the cutting groove 31, so that the inconvenience of cutting is avoided; then removing surface debris through the lower and upper debris-removing rollers 42 and 48; the first motor 44 is driven to drive the first synchronous belt pulley 45 to rotate, the first synchronous belt pulley 45 drives the second synchronous belt pulley 46 to rotate through a belt, and the second synchronous belt pulley 46 drives the lower chip removing roller 42 to convey reverse osmosis membrane elements; meanwhile, the air cylinder 410 is driven, and the piston rod 49 drives the upper chip removing roller 48 to lift, so that the distance between the lower chip removing roller 42 and the upper chip removing roller 48 can be adjusted, the reverse osmosis membrane element is convenient to adapt to reverse osmosis membrane elements with different thicknesses, and the practicability is high; and finally, winding is carried out through a winding mechanism 7.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (5)
1. The utility model provides a reverse osmosis membrane element that resistant pollution of wide runner, includes membrane element body (1) and arranges end cover (2) at membrane element body (1) both ends in, membrane element body (1) comprises center tube (11) that are provided with a plurality of through-holes (111) and reverse osmosis diaphragm (12) of coiling on center tube (11), its characterized in that: the membrane element body (1) further comprises a water inlet separation net (14) and a fresh water collecting net (13), the reverse osmosis membranes (12) are staggered and folded into two pieces, the water inlet separation net (14) is arranged between the folded reverse osmosis membranes (12), and the folded reverse osmosis membranes (12) are sealed and fixed with the fresh water collecting net (13) through resin sealant;
the end cover (2) comprises an end cover body (21), a reinforcing plate (22), a mounting hole (23) and a sliding groove (24), the mounting hole (23) is formed in the center of the end cover body (21), the outer side of the mounting hole (23) is connected with the inner side of the end cover body (21) through the reinforcing plate (22), the reinforcing plate (22) is fixedly connected with the mounting hole (23) and is in matched connection with the end cover body (21) through the arranged sliding groove (24), the reinforcing plate (22) is of an arc-shaped structure, and the reinforcing plate (22) is located in the end cover body (21);
the manufacturing method of the reverse osmosis membrane element comprises the following steps:
step one, a cut reverse osmosis membrane (12) is staggered and folded into two pieces, then a water inlet separation net (14) is arranged between the folded reverse osmosis membrane (12), the folded reverse osmosis membrane (12) is sealed with three sides of a fresh water collecting net (13) through resin sealant, and the other side of the folded reverse osmosis membrane (12) is tightened and coiled in a spiral line form by a central pipe (11) to obtain a pretreated reverse osmosis membrane element;
step two, cutting the pretreatment reverse osmosis membrane element through cutting equipment; firstly, placing a coiled pretreatment reverse osmosis membrane element between an unreeling disc (52) and a first fixing disc (53), then winding one end of the pretreatment reverse osmosis membrane element on a reeling mechanism (7), starting a fifth motor (71) to drive a second rotating shaft (74) to rotate for reeling, firstly cutting two sides of the pretreatment reverse osmosis membrane element through a cutting mechanism (6), then removing surface scraps through a lower scrap removing roller (42) and an upper scrap removing roller (48) of a scrap removing mechanism (4), and finally reeling by the reeling mechanism (7) to obtain the cut reverse osmosis membrane element;
thirdly, clamping the reinforcing plate (22) in the chute (24), and sleeving the end covers (2) at two ends of the cut reverse osmosis membrane element; obtaining a finished reverse osmosis membrane element;
the cutting equipment comprises an operating platform (3), a cutting groove (31), a scrap removing mechanism (4), an unwinding mechanism (5), a cutting mechanism (6) and a winding mechanism (7), wherein the unwinding mechanism (5) is fixedly mounted at one end of the top of the operating platform (3), the cutting mechanism (6) is fixedly mounted on one side of the unwinding mechanism (5), the scrap removing mechanism (4) is fixedly mounted on one side of the cutting mechanism (6), and the winding mechanism (7) is fixedly mounted on one side of the scrap removing mechanism (4);
the cutting mechanism (6) comprises side plates (61), an L-shaped connecting rod (62), a spring (63), a pressing roller (64), a groove (65), a T-shaped rod (66), a second motor (67), a first sliding block (68), a sliding rail (69), a first screw rod (610), a mounting plate (611), a second sliding block (612), a third motor (613), a connecting plate (614), a cutting knife (615), a first gear (616), a second screw rod (617), a third sliding block (618), a guide rod (619), a fourth motor (620) and a second gear (621), wherein the outer sides of the two side plates (61) are fixedly provided with the fourth motor (620), the output shaft of the fourth motor (620) is connected with the second gear (621), the second gear (621) is connected with the first gear (616) through a chain, the first gear (616) is installed on the second screw rod (617) which is vertically arranged, the second screw rod (617) is arranged on the inner side of the side plate (61) in a transmission mode, guide rods (619) are symmetrically arranged on two sides of the second screw rod (617), a third sliding block (618) is connected to the second screw rod (617) in a threaded mode, a mounting plate (611) is fixedly mounted on the third sliding block (618), and the mounting plate (611) is connected with the two guide rods (619) in a sliding mode;
a sliding rail (69) is fixedly mounted at the bottom of the mounting plate (611), a third motor (613) is fixedly mounted on one side of the sliding rail (69), an output shaft of the third motor (613) is connected with a first screw rod (610) arranged on the sliding rail (69), a first sliding block (68) and a second sliding block (612) are sleeved on the first screw rod (610), connecting plates (614) are fixedly mounted at the bottoms of the first sliding block (68) and the second sliding block (612), a second motor (67) is fixedly mounted on the inner sides of the two connecting plates (614), and an output shaft of the second motor (67) is connected with a cutting knife (615);
the inner sides of the two side plates (61) are fixedly provided with L-shaped connecting rods (62), one side, far away from the side plates (61), of each L-shaped connecting rod (62) is provided with a groove (65), a spring (63) is fixedly arranged inside each groove (65), the bottom of each spring (63) is fixedly provided with a T-shaped rod (66), and the bottom of each T-shaped rod (66) is in transmission connection with a press roller (64); the compression rollers (64) are provided with four groups, and two groups of compression rollers (64) are arranged on two sides of each cutting knife (615).
2. The wide-flow-channel pollution-resistant reverse osmosis membrane element according to claim 1, wherein the unwinding mechanism (5) comprises a first supporting seat (51), an unwinding disc (52), a first fixed disc (53), a first rotating shaft (54), a first adjusting roller (55) and a first adjusting block (56), the first supporting seat (51) is fixed on the operating platform (3), the operating platform (3) is in transmission connection with the first rotating shaft (54), the unwinding disc (52) is sleeved on the first rotating shaft (54), the first rotating shaft (54) is in threaded connection with the first fixed disc (53), the operating platform (3) is in transmission connection with the first adjusting roller (55), the first adjusting roller (55) is provided with two first adjusting blocks (56), and the two first adjusting blocks (56) are fixed through bolts;
winding mechanism (7) include fifth motor (71), second supporting seat (72), second regulating roller (73), second pivot (74), second fixed disk (75), rolling dish (76) and second regulating block (77), fixed mounting has fifth motor (71) on second supporting seat (72), the output shaft and the second pivot (74) of fifth motor (71) are connected, rolling dish (76) and second fixed disk (75) have been cup jointed on second pivot (74), second fixed disk (75) and second pivot (74) threaded connection, it has second regulating roller (73) to go up the transmission connection in second supporting seat (72), be provided with two second regulating block (77) on second regulating roller (73), two second regulating block (77) pass through the bolt fastening.
3. The wide-flow-channel pollution-resistant reverse osmosis membrane element according to claim 2, wherein the chip removing mechanism (4) comprises a support (41), a lower chip removing roller (42), a guide roller (43), a first motor (44), a first synchronous pulley (45), a second synchronous pulley (46), a U-shaped plate (47), an upper chip removing roller (48), a piston rod (49) and a cylinder (410), the cylinder (410) is fixedly mounted at the top of the support (41), the U-shaped plate (47) is fixedly connected to the bottom of the cylinder (410) through the piston rod (49), the U-shaped plate (47) is slidably connected with the support (41), the upper chip removing roller (48) is movably connected onto the U-shaped plate (47), the lower chip removing roller (42) is arranged under the upper chip removing roller (48), one side of the lower chip removing roller (42) is connected with the second synchronous pulley (46) through a transmission shaft, the scrap removing device is characterized in that a first motor (44) is fixedly mounted right below the lower scrap removing roller (42), an output shaft of the first motor (44) is connected with a first synchronous belt pulley (45), the first synchronous belt pulley (45) is connected with a second synchronous belt pulley (46) through a belt, a guide roller (43) is arranged on the support (41), and the guide roller (43) and the lower scrap removing roller (42) are arranged in parallel.
4. The wide flow channel contamination-resistant reverse osmosis membrane element as claimed in claim 1, wherein a cutting groove (31) for cutting by a cutting knife (615) is formed at the top of the operating platform (3).
5. The wide flow path contamination resistant reverse osmosis membrane element of claim 1, wherein the first lead screw (610) is provided with two threads having opposite thread directions.
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