CN212881897U - Flat membrane module with water flowing out from two sides and continuous preparation device thereof - Google Patents

Abstract

The utility model provides a dull and stereotyped membrane module of bilateral play water and continuous preparation facilities thereof belongs to the water treatment field. It has been solved current ABS plate structure and has been the stereoplasm structure, and is had higher requirement to the transportation. And can not make hollow out construction, lead the great scheduling problem of backflow resistance, a dull and stereotyped membrane module of bilateral play water, including the water conservancy diversion net that is used for the water conservancy diversion and set up in the filtration membrane of water conservancy diversion net both sides, filtration membrane's both sides limit all with water conservancy diversion net fixed connection, filtration membrane's both ends all with lead between the water conservancy diversion net form the open structure who is used for going out water. The utility model has the advantages of convenient transportation, small flow guide resistance and the like.

Description

Flat membrane module with water flowing out from two sides and continuous preparation device thereof

Technical Field

The utility model belongs to the water treatment field, in particular to dull and stereotyped membrane module of bilateral play water and continuous preparation facilities thereof.

Background

The existing flat membrane module is usually to weld the membrane on the injection molded ABS baffle by a hot melting machine, wherein the ABS baffle is provided with 1 water outlet. The ABS plate needs to be molded by a mold, the cost of one mold is usually as high as thirty or more thousands, and different molds need to be manufactured for film elements with different specifications, so that the mold cost is high. And the ABS plate structure is a hard structure, so that the texture is brittle, and the transportation requirement is high. In addition, the ABS board can not make hollow out construction for structural strength generally, leads to this guide plate to lead to the backflow resistance great.

Disclosure of Invention

The first purpose of the utility model is to provide a flat membrane module with double-side water outlet, which aims at the above problems in the prior art; the second purpose of the utility model is to provide a prepare the above-mentioned dull and stereotyped membrane module's of bilateral play water continuous preparation device.

The first objective of the present invention can be achieved by the following technical solutions: the utility model provides a dull and stereotyped membrane module of bilateral play water, is including the water conservancy diversion net that is used for the water conservancy diversion and set up in the filtration membrane of water conservancy diversion net both sides, filtration membrane's both sides limit all with water conservancy diversion net fixed connection, filtration membrane's both ends all with the water conservancy diversion net between form the opening that supplies the water body to flow out.

The utility model discloses a theory of operation: during the use, will the utility model discloses install on water treatment facilities, filtration membrane's both ends are passed through the sealing compound and are connected with outlet conduit, and during the filtration, water passes from the filtration membrane outside and gets into between two filtration membranes, because filtration membrane's both ends all and the water conservancy diversion net between form the opening, the opening is used for going out water. When water passes through the filtering membrane, the water body is purified. Clean water then flows out of the openings along the flow-guiding net. The utility model discloses a setting of water conservancy diversion net and filtration membrane has replaced the ABS board, the cost is reduced. The flow guide net is net-shaped, and compared with the existing ABS flow guide plate, the resistance is small.

Preferably, both sides of the filtering membrane are provided with welding edges. And the filtering membrane and the flow guide net are firmly connected by welding.

Preferably, the welding edge is an ultrasonic welding edge, and the welding edge is formed by fixing two side edges of the filtering membrane and the flow guide net through ultrasonic welding. The ultrasonic welding is convenient and firm.

Preferably, the flow guide net is provided with a plurality of openings for reducing flow guide resistance. Namely, the diversion net is of a hollow structure, the diversion resistance is low, and the water outlet effect is more balanced.

Preferably, the flow guide net and the filtering membrane are both flexible structures. The utility model discloses a dull and stereotyped membrane module is flexible structure, and is low to the requirement of transportation, convenient transportation.

The second objective of the present invention can be achieved by the following technical solutions: the utility model provides a prepare above-mentioned bilateral dull and stereotyped membrane module's of going out water continuous preparation facilities, is including the drop feed mechanism who is used for delivering filtering membrane area and water conservancy diversion guipure, the welding mechanism who is used for welding filtering membrane area and water conservancy diversion guipure, the cutting mechanism who is used for cutting filtering membrane area and water conservancy diversion guipure after the welding and be used for driving the actuating mechanism that filtering membrane area and water conservancy diversion guipure removed, welding mechanism including the ultrasonic heating device who is used for heating melting filtering membrane area both sides limit and be used for suppressing the ultrasonic wave mould that bonds filtering membrane area and water conservancy diversion guipure, welding mechanism still be provided with the cooling device who is used for cooling ultrasonic wave mould, actuating mechanism drive filtering membrane area and water conservancy diversion guipure remove when, drive ultrasonic wave mould and rotate.

Preferably, cooling device include coolant liquid storage device and dropping liquid pipe, the dropping liquid pipe on be provided with the control valve who is used for controlling dropping liquid speed, the bottom of dropping liquid pipe be provided with the liquid drop export, the liquid drop export the face of weld of aiming at ultrasonic wave mould. The cooling liquid storage device stores the cooling liquid, and the cooling liquid is dripped to the welding face of ultrasonic wave mould through the dropping liquid pipe, reduces the temperature on ultrasonic wave mould surface, prevents to produce the serious fever that leads to behind the ultrasonic wave mould continuous operation, causes the welding face to heat excessively, and the welding department is fragile cracked problem easily.

Preferably, the number of the ultrasonic molds is two, the ultrasonic molds are respectively positioned on two sides of the filtering membrane belt, the distance between the ultrasonic molds is adjustable, and the outer sides of the ultrasonic molds are provided with trimming knife edges. The width of the prepared flat membrane component is adjusted by adjusting the distance between the two ultrasonic molds. The edge cutting knife edge cuts off the redundant edges of the filtering membrane belt and the flow guide net belt so as to ensure the consistency of the product size.

Preferably, actuating mechanism include synchronous machine, driving shaft and driven shaft, the ultrasonic wave mould be provided with the connecting axle, driving shaft and connecting axle between connect through the hold-in range, synchronous machine rotatory through the drive hold-in range to make driving shaft and connecting axle synchronous revolution. The synchronous motor drives the ultrasonic mold to rotate on one hand and the driving shaft to rotate on the other hand through the synchronous chain. So that the welding and the pulling of the filtering membrane belt and the flow guide net belt are synchronously carried out.

Preferably, the discharging mechanism comprises a first base and a first supporting plate, a first conveying roller is arranged at the top of the first supporting plate, a first filtering film belt discharging device, a guide net belt discharging device and a second filtering film belt discharging device are sequentially arranged on the first base, the second filtering film belt discharging device is fixedly connected with the first base, the first filtering film belt discharging device and the guide net belt discharging device are fixedly connected with a movable second base, the discharging mechanism is provided with a first deviation correcting device for preventing the first filtering film belt discharging device from deviating and a second deviation correcting device for preventing the guide net belt from deviating, the first deviation correcting device and the second deviation correcting device are respectively provided with a photoelectric eye, a deviation correcting motor and a deviation correcting telescopic rod, and the telescopic rod is connected with the second base, the rectification motor drives the rectification telescopic rod to enable the second base to move.

Preferably, the slitting mechanism comprises a cutter and a driving part for driving the cutter to work, the driving shaft is provided with an induction device for inducing the rotation number of turns of the driving shaft, and the driving part drives the cutter to cut according to the rotation number information transmitted by the induction device. The induction device is used for inducing the rotation number of turns of the driving shaft and transmitting the information of the rotation number of turns to the driving part, and the driving part drives the cutter to cut so as to manufacture a plurality of flat-plate membrane assemblies. The length of the prepared flat membrane component can be set according to the number of rotation turns, and the length of the flat membrane component can be adjusted by setting the rotation turns induced by the induction device.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses a setting of water conservancy diversion net and filtration membrane has replaced the ABS board, the cost is reduced. The flow guide net is net-shaped, and compared with the existing ABS flow guide plate, the resistance is small.

Drawings

FIG. 1 is a schematic structural view of a flat membrane module according to the present invention;

FIG. 2 is a schematic view of the structure of an opening at one end of a flat membrane module according to the present invention;

FIG. 3 is a schematic structural view of the continuous production apparatus of the present invention;

fig. 4 is an enlarged schematic view of the utility model at a;

fig. 5 is a schematic structural view of the discharging mechanism of the present invention;

fig. 6 is a schematic structural view of the slide block and the slide rail of the present invention;

fig. 7 is a schematic structural view of the ultrasonic mold of the present invention.

In the figure, 1, a flow guide net; 101. opening a hole; 2. a filtration membrane; 3. an opening; 4. ultrasonically welding edges; 5. a discharging mechanism; 501. a first base; 511. a slide rail; 502. a first support plate; 512. a first conveying roller; 503. a first filtering membrane belt discharging device; 504. a discharging device of a diversion net belt; 505. the second filtering membrane belt discharging device; 506. a second base; 516. a slider; 507. correcting a photoelectric eye; 508. a deviation rectifying motor; 509. a rectification telescopic rod; 6. a welding mechanism; 601. an ultrasonic heating device; 611. an ultrasonic generator; 621. an ultrasonic energy conversion head; 602. an ultrasonic mold; 612. trimming the knife edge; 622. a connecting shaft; 632. a telescopic air rod; 642. a telescopic cylinder; 603. a cooling device; 613. a coolant storage device; 623. a dropping tube; 633. a control valve; 643. a droplet outlet; 7. a slitting mechanism; 701. a cutter; 702. a drive member; 703. a cutter base; 8. a drive mechanism; 801. a synchronous motor; 802. a drive shaft; 812. an induction device; 803. a driven shaft; 804. a synchronous belt; 9. an inflatable shaft; 10. a tension controller; 11. a support frame; 12. a third base; 13. a second support plate; 14. a third support plate; 15. a fourth support plate; 16. a second conveyor roller.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-2, a flat membrane module with water flowing out from two sides comprises a flow guide net 1 and two filtering membranes 2, wherein the two filtering membranes 2 are respectively located on two sides of the flow guide net 1, two sides of the filtering membranes 2 are provided with ultrasonic welding edges 4, and the ultrasonic welding edges 4 are formed by fixing two sides of the filtering membranes 2 and the flow guide net 1 through ultrasonic welding. Two ends of the filtering membrane 2 are divided into a first end and a second end; the first ends of the two filtering membranes 2 correspond to each other, the second ends of the two filtering membranes 2 correspond to each other, an opening 3 is formed between each of the first ends of the two filtering membranes 2 and the flow guide net 1, an opening is also formed between each of the first ends of the two filtering membranes 2 (as shown in fig. 2), an opening 3 is formed between each of the second ends of the two filtering membranes 2 and the flow guide net 1, an opening is also formed between each of the second ends of the two filtering membranes 2, and filtered water flows out from the opening 3. The flow guide net 1 is provided with a plurality of openings 101, the flow guide net 1 is of a hollow structure, the flow guide resistance is low, and the water outlet effect is more balanced.

The flow guide net 1 is in a flat plate shape, and the flow guide net 1 can be made of stainless steel and other materials. The utility model discloses a water conservancy diversion net 1 can convolute the bending, has certain flexibility. Filtration membrane 2 is flat filtering membrane piece, also has the flexibility, the utility model discloses a dull and stereotyped membrane module is flexible dull and stereotyped structure, and is low to the requirement of transportation, convenient transportation. The flexibility of the filter membrane is superior to that of the flow guide net.

During the use, will the utility model discloses install on water treatment facilities, filtration membrane 2's both ends are passed through the sealant and are connected with outlet conduit, and during the filtration, water passes from the filtration membrane 2 outside and gets into between two filtration membrane 2, because filtration membrane 2's both ends all with the water conservancy diversion net 1 between form opening 3, opening 3 is used for going out water. When water passes through the filtering membrane 2, the water body is purified. Clean water then flows out of the openings 3 along the flow-guiding net 1. The direction of the arrows in fig. 1 is the water outlet direction.

Because the traditional flat membrane can not realize continuous production in the production process, the size of the membrane needs to be cut off firstly in the production of the driven flat membrane, then the membrane is placed on an ABS plate for fixing, then the membrane is pushed into welding equipment for hot-press welding, and finally the welded finished product is taken out for stacking. This not only has increaseed the human cost, and production efficiency is also not high.

Therefore, the utility model designs a whole set of device that can prepare dull and stereotyped membrane in succession, has solved current product manufacturing cost height, problem that production efficiency is low. And the width and the length of the product can be adjusted at any time corresponding to different models and specifications without independently opening a die.

As shown in fig. 3-7, a continuous manufacturing apparatus for manufacturing the above-mentioned flat membrane module with double-side water outlet comprises a discharging mechanism 5, a welding mechanism 6, a driving mechanism 8, and a splitting mechanism 7, which are arranged in sequence.

The discharging mechanism 5 comprises a first base 501 and a first supporting plate 502, and a first filtering membrane belt discharging device 503, a diversion net belt discharging device 504 and a second filtering membrane belt discharging device 505 are sequentially arranged on the first base 501.

The first filtering membrane strip discharging device 503, the diversion mesh strip discharging device 504 and the second filtering membrane strip discharging device 505 respectively comprise an inflatable shaft 9, the filtering membrane strips are respectively wound on two winding drums, and then the two filtering membrane strip winding drums are respectively fixed on the inflatable shaft 9 of the first filtering membrane strip discharging device 503 and the inflatable shaft 9 of the second filtering membrane strip discharging device 505; the diversion net belt is wound on a winding drum, and the diversion net belt winding drum is fixed on an inflatable shaft 9 of the diversion net belt discharging device 505. The air inflation shaft 9 is provided with an air inflation port and an air relief port, so that the winding drum can be conveniently taken and placed.

The air inflation shaft 9 is connected with the gear of the tension controller 10 through the gear, and is used for controlling the releasing force of the three materials. The tension controller 10 can adjust the tension by pressing a button on the instrument panel. The first filtering membrane strip discharging device 503, the guide net strip discharging device 504 and the second filtering membrane strip discharging device 505 further comprise a support frame 11 for supporting the inflatable shaft 9 and the tension controller 10.

The top of the first supporting plate 502 is provided with a first conveying roller 512, and the first conveying roller 512 can rotate around a shaft to convey the guide net belt and the filter net belts positioned on two sides of the guide net belt to the welding mechanism 6.

The second filtering membrane strip discharging device 505 is fixedly connected with the first base 501, the bottoms of the first filtering membrane strip discharging device 503 and the diversion net strip discharging device 504 are both fixedly connected with a movable second base 506, the bottom of the second base 506 is fixedly connected with a sliding block 516, the first base 501 is fixedly connected with a sliding rail 511, and the sliding block 516 can move along the length direction of the sliding rail 511.

The first filtering membrane belt discharging device 503 is provided with a first deviation correcting device, the guide net belt discharging device 504 is provided with a second deviation correcting device, and the first deviation correcting device and the second deviation correcting device respectively comprise a deviation correcting photoelectric eye 507, a deviation correcting motor 508 and a deviation correcting telescopic rod 509; the deviation rectifying telescopic rod 509 is connected with the second base 506, and the deviation rectifying motor 508 drives the deviation rectifying telescopic rod 509 to enable the second base 506 to move, and the sliding block 516 moves along the length direction of the sliding rail 511. The photo eye 507 is a groove type deviation rectifying sensor. Two sides of the filter membrane belt on the first filter membrane belt discharging device 503 pass through the notch of the groove-shaped deviation-rectifying sensor of the first deviation-rectifying device, and two sides of the guide net belt on the guide net belt discharging device 504 pass through the notch of the groove-shaped deviation-rectifying sensor of the second deviation-rectifying device. The first deviation correcting device and the second deviation correcting device respectively make deviation correcting actions through deviation correcting photoelectric eyes 507 thereof so as to ensure that a filter membrane belt on the first filter membrane belt discharging device 503 and a guide net belt on the guide net belt discharging device 504 are always positioned right above a filter membrane 2 belt on the fixed second filter membrane belt discharging device 505 and do not deviate left and right, for example, the guide net 1 belt deviates left from the side edges of the two filter membrane 2 belts, and the deviation correcting motor 508 can make an action of pushing the second base 506 of the guide net belt discharging device 504 to move right and correct the deviation within tens of milliseconds until the filter membrane belt is aligned with the two sides of the guide net 1.

The welding mechanism 6 comprises an ultrasonic heating device 601 and an ultrasonic die 602; the ultrasonic heating device 601 includes an ultrasonic generator 611, an ultrasonic energy conversion head 621, a telescopic air rod 632 connected above the ultrasonic mold 602, and a telescopic air cylinder 642 for driving the telescopic air rod 632 to move. The telescopic cylinder 642 drives the telescopic air rod 632 to press the ultrasonic mold 602 on the ultrasonic energy conversion head 621, and the pressure of the ultrasonic mold 602 on the side of the filter membrane belt and the flow guide net belt can be adjusted by adjusting the air pressure. The guiding mesh belt and the filtering mesh belt pass through between the ultrasonic mold 602 and the ultrasonic energy conversion head 621.

The ultrasonic energy conversion head 621 heats the two side edges of the filter membrane band to melt the two side edges of the filter membrane band, the filter membrane band is made of high molecular polymer, and the ultrasonic energy conversion head heats the high molecular polymer to melt. Under the pressing of the ultrasonic mold 602, the sides of the fused filter membranes 2 on both sides of the diversion mesh belt pass through the open holes 101 to be bonded together, so that the sides of the diversion mesh belt and the sides of the filter membrane belts are fixed together. The opening 101 has a function of reducing the flow resistance and a function of making the welding more firm. Because if do not have trompil 101, the both sides limit of two fused filtration membrane belts directly bonds respectively on the side of flow deflector area, because flow deflector area surface is smooth, leads to filtration membrane 2 area side to drop easily, and trompil 101 has increased the roughness, and the both sides limit of two filtration membrane belts passes trompil 101 and bonds together each other, and the bonding can be more firm.

The ultrasonic mold 602 is cylindrical, the circumferential curved surface of the cylindrical ultrasonic mold 602 is a welding surface, and the ultrasonic mold 602 rotates simultaneously when pressed; in the process of continuous operation of the ultrasonic mold 602, due to the heat transfer, the ultrasonic energy conversion head 621 transfers the heat to the ultrasonic mold 602, so that the ultrasonic mold 602 is prone to generate heat seriously after continuous operation, the welding surface is heated excessively, and the welding part is prone to brittle fracture. Therefore, the utility model discloses cooling device 603 has been add, cooling device 603 includes coolant liquid storage device 613 and drip pipe 623, be provided with control valve 633 on the drip pipe 623, control valve 633 is used for controlling the dropping speed, the bottom of drip pipe 623 is provided with droplet export 643, droplet export 643 is aimed at the face of weld of ultrasonic wave mould 602 for droplet that droplet export 643 drips falls on the face of weld, reduce the temperature of face of weld, prevent to produce the serious fever that leads to after ultrasonic wave mould 602 continuous operation, cause the face of weld to heat excessively, the easy cracked problem that turns out crisp of welding. So as to ensure the stability of the continuous operation of the equipment. The dropping speed can be adjusted by controlling the control valve 633 according to the heat generation amount of the welding surface.

The number of the ultrasonic molds 602 is two, the ultrasonic molds 602 are respectively positioned at two sides of the filtering membrane belt, the distance between the ultrasonic molds 602 is adjustable, and the outer side of the ultrasonic molds 602 is provided with a trimming knife edge 612. During the rotary pressing and bonding process of the ultrasonic mold 602, the trimming knife edge 612 cuts the redundant edges to ensure the consistency of the size of the finally obtained flat membrane module. The width of the resulting flat-sheet membrane assembly is adjusted by adjusting the distance between the two ultrasonic dies 602.

The driving mechanism 8 comprises a synchronous motor 801, a driving shaft 802 and a driven shaft 803, the ultrasonic mold 602 is fixedly connected with a connecting shaft 622, the driving shaft 802 and the connecting shaft 622 are connected through a synchronous belt 804, the synchronous belt 804 in the embodiment is a synchronous chain, and the synchronous motor 801 drives the synchronous belt 804 to rotate, so that the driving shaft 802 and the connecting shaft 622 rotate synchronously. The synchronous motor 801 drives the ultrasonic mold 602 to rotate on the one hand and the driving shaft 802 to rotate on the other hand through a synchronous chain. So that the welding of the filtering membrane belt and the flow guide net belt, and the pulling of the welded filtering membrane belt and the flow guide net belt are synchronously carried out. Further guarantee the uniformity of product, and saved the energy, through a driving source promptly, both make ultrasonic wave mould 602 rotate and weld filtration membrane area, water conservancy diversion guipure, make filtration membrane area, water conservancy diversion guipure after the welding remove again. If the ultrasonic mold 602 and the driving shaft 802 rotate asynchronously, there may be a problem that the filter membrane band between the section of the driving shaft 802 and the section of the ultrasonic mold 602 is stretched and deformed due to the relatively fast rotation of the driving shaft 802 and the relatively slow rotation of the ultrasonic mold 602, resulting in a high defective rate of the final manufactured product. If the driving shaft 802 rotates relatively slowly and the ultrasonic mold 602 rotates relatively quickly, the filtering membrane belt and the flow guide net belt between the driving shaft 802 and the ultrasonic mold 602 may arch upwards and cannot move smoothly, which easily causes the filtering membrane belt to wrinkle and results in high defective rate of the final manufactured product. Therefore, the utility model discloses a synchronous motor 801, hold-in range 804 have guaranteed ultrasonic wave mould 602 and driving shaft 802's synchronous rotation, have guaranteed ultrasonic bonding and have filtered the membrane area and have moved the synchronous go on with the water conservancy diversion guipure.

The splitting mechanism 7 comprises a cutter 701 and a driving member 702 for driving the cutter 701 to work, and a corresponding cutter base 703 is arranged below the cutter 701.

The sensing device 812 for sensing the number of turns of the driving shaft 802 is disposed above the driving shaft 802, in this embodiment, the sensing device 812 is a sensor, and the driving member 702 drives the cutter 701 to cut according to the information of the number of turns of the driving shaft 802 transmitted by the sensing device 812. The sensing device 812 and the driving member 702 can be electrically connected or communicatively connected, the sensing device 812 is used for sensing the number of turns of the driving shaft 802 and transmitting the information of the number of turns to the driving member 702, and the driving member 702 drives the cutter 701 to cut so as to manufacture a plurality of flat-plate film assemblies. In this embodiment, the driving member 702 is a cutter cylinder, and the cutter 701 is a pneumatic cutter. The length of the prepared flat membrane component can be set according to the number of rotation turns, and the length of the flat membrane component can be adjusted by setting the rotation turns induced by the induction device 812.

In this embodiment, a third base 12 is further provided, a second support plate 13, a third support plate 14, and a fourth support plate 15 are sequentially disposed on the third base 12, a second conveying roller 16 is disposed on the top of the second support plate 13, the second conveying roller 16 is used for receiving the material conveyed by the first conveying roller 512, the third support plate 14 is used for supporting the driven shaft 803, and the fourth support plate 15 is used for supporting the cutter base 703.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a dull and stereotyped membrane module of bilateral play water, its characterized in that, including water conservancy diversion net (1) that is used for the water conservancy diversion and set up in filtration membrane (2) of water conservancy diversion net (1) both sides, the both sides limit of filtration membrane (2) all with water conservancy diversion net (1) fixed connection, the both ends of filtration membrane (2) all with lead and form opening (3) that are used for supplying the water outflow between water conservancy diversion net (1).

2. The double-sided water outlet flat membrane module according to claim 1, wherein the flow guide net (1) is provided with a plurality of openings (101) for reducing flow guide resistance.

3. The double-sided water outlet flat sheet membrane module according to claim 1, wherein the flow guide net (1) and the filter membrane (2) are both flexible structures.

4. A flat membrane module with double side outlet according to claim 1, wherein both sides of the filtering membrane (2) are provided with welded edges (4).

5. The flat membrane module with water flowing out from two sides of the flat membrane module according to claim 4, wherein the welding edges (4) are ultrasonic welding edges, and the welding edges (4) are formed by fixing two sides of the filtering membrane (2) and the flow guide net (1) through ultrasonic welding.

6. A continuous preparation device for preparing a flat membrane module with bilateral water outlet according to any one of claims 1 to 5, which comprises a discharging mechanism (5) for discharging a filtering membrane belt and a flow guide net belt, a welding mechanism (6) for welding the filtering membrane belt and the flow guide net belt, a slitting mechanism (7) for cutting the welded filtering membrane belt and the flow guide net belt, and a driving mechanism (8) for driving the filtering membrane belt and the flow guide net belt to move, wherein the welding mechanism (6) comprises an ultrasonic heating device (601) for heating and melting two side edges of the filtering membrane belt and an ultrasonic mold (602) for pressing and bonding the filtering membrane belt and the flow guide net belt, the welding mechanism (6) is further provided with a cooling device (603) for cooling the ultrasonic mold (602), and the driving mechanism (8) drives the filtering membrane belt and the flow guide net belt to move, driving the ultrasonic mold (602) to rotate.

7. A continuous preparation device according to claim 6, characterized in that said cooling means (603) comprises a cooling liquid storage means (613) and a dropping pipe (623), said dropping pipe (623) is provided with a control valve (633) for controlling dropping speed, the bottom of said dropping pipe (623) is provided with a dropping outlet (643), and said dropping outlet (643) is aligned with the welding surface of the ultrasonic mold (602).

8. A continuous manufacturing apparatus according to claim 6, wherein the number of the ultrasonic molds (602) is two, two ultrasonic molds (602) are respectively located at two sides of the filtering membrane strip, the outer side of the ultrasonic molds (602) is provided with a trimming blade (612), and the distance between the ultrasonic molds (602) is adjustable.

9. The continuous preparation device according to claim 6, wherein the driving mechanism (8) comprises a synchronous motor (801), a driving shaft (802) and a driven shaft (803), the ultrasonic mold (602) is provided with a connecting shaft (622), the driving shaft (802) and the connecting shaft (622) are connected through a synchronous belt (804), and the synchronous motor (801) drives the synchronous belt (804) to rotate, so that the driving shaft (802) and the connecting shaft (622) rotate synchronously.

10. The continuous preparation device according to claim 9, wherein the discharging mechanism (5) comprises a first base (501) and a first support plate (502), a first conveying roller (512) is arranged on the top of the first support plate (502), a first filtering membrane strip discharging device (503), a diversion net strip discharging device (504) and a second filtering membrane strip discharging device (505) are sequentially arranged on the first base (501), the second filtering membrane strip discharging device (505) is fixedly connected with the first base (501), movable second bases (506) are fixedly connected with the first filtering membrane strip discharging device (503) and the diversion net strip discharging device (504), the discharging mechanism (5) is provided with a first deviation-correcting device for preventing the first filtering membrane strip discharging device (503) from deviating and a second deviation-correcting device for preventing the diversion net strip from deviating, the first deviation correcting device and the second deviation correcting device are respectively provided with a deviation correcting photoelectric eye (507), a deviation correcting motor (508) and a deviation correcting telescopic rod (509), the deviation correcting telescopic rod (509) is connected with the second base (506), and the deviation correcting motor (508) drives the deviation correcting telescopic rod (509) to enable the second base (506) to move; the slitting mechanism (7) comprises a cutter (701) and a driving piece (702) for driving the cutter (701) to work, wherein an induction device (812) used for inducing the rotation number of turns of a driving shaft (802) is arranged on the driving shaft (802), the driving piece (702) drives the cutter (701) to cut according to the rotation number information transmitted by the induction device (812), the induction device (812) is used for inducing the rotation number of turns of the driving shaft (802) and transmitting the rotation number information to the driving piece (702), and the driving piece (702) drives the cutter (701) to cut to manufacture a plurality of flat-plate membrane assemblies.

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