Integrated spiral-wound separation membrane assembly convenient to install

Abstract

The utility model discloses a convenient-to-install one-piece roll type separation membrane component, including shell, central tube and membrane roll, the both ends of shell are equipped with the end cover that closely connects into one piece, the end cover includes cover plate and ring, the cover plate is fixed inside the ring, the ring includes the first ring and the second ring that are arranged on both sides of the cover plate, the first ring is sleeved outside the shell, the second ring is sleeved outside the shell, and the membrane roll is sleeved outside the central tube. The cover plate is provided with a water producing port and a water inlet and outlet port, the cover plate is provided with a water inlet and outlet pipe head communicated with the water inlet and outlet port, the outlet end of the water inlet and outlet pipe head is arranged on the outer side wall of the second ring, the surface, close to the shell, of the cover plate is provided with a flow dividing channel, and the second ring is provided with a plurality of U-shaped clamping grooves; according to the utility model, the stability and the sealing performance of the whole structure are improved, the assembly steps are reduced, the production efficiency is improved, the cost is reduced, the installation is convenient, the interference problem of the water producing pipe and the water inlet and outlet pipe is avoided, the installation is more flexible, the installation convenience is improved, the loading capacity is improved, and the application range of the product is expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field especially relates to a one -piece roll type separation membrane module convenient to installation. BACKGROUND

[0002] Roll type separation membrane module is widely used in water treatment, chemical separation, biopharmaceutical and other fields. The existing roll type separation membrane module is usually assembled by multiple independent components, including membrane roll, center tube, shell, end cover and the like, the installation process is complex, and there are problems of poor sealing, unstable structure and weak pressure bearing capacity. Chinese patent application No. CN202310167611.4 discloses a one-piece roll type separation membrane element, comprising a shell, a membrane core and two end covers, the shell and the end cover are fixed and sealed to be integrated, the end cover includes a cover plate and a ring, the cover plate is provided with a first interface and a second interface, a first end face support piece is arranged between the ring near the membrane core and the second interface to separate the annular channel between the ring and the second interface, the first end face support piece divides the first interface into two ports in communication with the parts of the annular channel on both sides of the first end face support piece, and the second end face support piece and the third end face support piece are arranged in the annular channel and are spaced apart, and the second end face support piece and the third end face support piece do not separate the annular channel. The specially designed end cover structure in the structure can divide the liquid flow into two parts when the liquid flow enters, and the liquid flow can flow in the annular loop, so as to differentiate the pressure protection membrane core and the dispersed liquid flow to improve the filtration efficiency, but the two interfaces in the end cover structure are adjacent and located on the same side, which is easy to cause the interference between the water production pipe and the water inlet / outlet pipe, and only one direction of the fixing structure is designed on the end cover structure, so the installation is not convenient. Therefore, the present application provides a one-piece roll type separation membrane module convenient to installation. CONTENT OF THE UTILITY MODEL

[0003] The utility model wants to solve the technical problem of providing a one-piece roll type separation membrane module convenient to installation.

[0004] In order to solve the above technical problem, the utility model includes shell, center tube and membrane roll, the center tube is coaxial with the shell, the membrane roll is wound on the center tube, the both ends of the shell are equipped with the end cover of close integration, the end cover includes cover plate and ring, the cover plate fixes the inside of ring, the ring includes first ring and second ring arranged on both sides of cover plate, the first ring is set on the outside of shell, the cover plate is equipped with water production port and water inlet / outlet port, the center tube is butt joint with water production port, the surface of cover plate away from shell is equipped with water inlet / outlet pipe head in communication with water inlet / outlet port, the outlet end of water inlet / outlet pipe head is equipped on the outside wall of second ring, the surface of cover plate close to shell is equipped with shunt channel, and the second ring is equipped with a plurality of U type clamping grooves staggered with water inlet / outlet pipe head.

[0005] Preferably, the cover plate has a limiting tube in the middle for limiting the insertion of the central tube, and a protruding post in the middle of the surface of the cover plate away from the shell. The water outlet is located on the protruding post, and the water outlet of one of the end caps is connected to the limiting tube through a connecting hole.

[0006] Preferably, the diameter of the connecting hole is smaller than that of the limiting tube and the water outlet, so that the bottom of both the limiting tube and the water outlet forms a stepped limiting structure.

[0007] Preferably, the inlet and outlet water pipes, cover plate, second ring and protruding column are all integral structures, the outlet end of the inlet and outlet water pipes is a stepped groove, the inner wall of the water outlet and the stepped groove are provided with internal threads and connected to the connecting hole, and the bottom of the stepped groove is provided with a gasket.

[0008] Preferably, the top surface of the protruding post is lower than the top surface of the second ring.

[0009] Preferably, the side of the protruding column is connected to the inner wall of the second ring by a reinforcing plate, and there are at least two reinforcing plates distributed in a ring array with the inlet and outlet water pipe heads.

[0010] Preferably, there are at least three U-shaped slots, which are arranged in a ring array with the outlet end of the inlet and outlet water pipe heads.

[0011] Preferably, a third ring is provided on the surface of the cover plate near the housing, inside the first ring. A first partition, a second partition, and a third partition are provided on the surface of the cover plate near the housing. The two ends of the first partition are fixedly connected to the side wall of the limiting tube and the inner wall of the third ring, respectively. The first partition passes through the inlet and outlet, dividing the inlet and outlet into two passages. The second partition is fixedly connected to the inner wall of the third ring, and the third partition is fixedly connected to the inner wall of the limiting tube. The third partition and the second partition are staggered and alternately distributed. The first partition divides the incoming liquid flow into two streams, and the second and third partitions form a ring-shaped, meandering diversion channel.

[0012] Preferably, the end caps at both ends of the housing can rotate relative to each other around the housing and are fixed by adhesive.

[0013] Preferably, the side of the first ring connected to the housing has a chamfered structure.

[0014] The utility model discloses an end cover shell structure, improves the overall structural stability and leakproofness, reduces assembly steps, improves production efficiency, reduces cost, facilitates installation, and avoids the interference problem of the water production pipe and the inlet and outlet water pipe, and meanwhile, multiple U-shaped clamping grooves are arranged, one direction can be selected at will for fixing, installation is more flexible, the convenience of installation is improved, the pressure-bearing capacity is improved, the operation pressure 1.5MPa reverse osmosis membrane requirement can be satisfied, and the product use range is expanded. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure three -dimensional schematic view of the utility model;

[0016] Figure 2 It is the whole structure cross section schematic view of the utility model;

[0017] Figure 3 It is one perspective three -dimensional schematic view of the upper end end cover of the shell in the utility model;

[0018] Figure 4 It is another perspective three -dimensional schematic view of the upper end end cover of the shell in the utility model;

[0019] Figure 5 It is the cross section schematic view of the upper end end cover of the shell in the utility model;

[0020] Figure 6 It is the cross section schematic view of the lower end end cover of the shell in the utility model;

[0021] Figure 7 It is the schematic of different turning of the upper and lower end end cover of the shell in the whole structure of the utility model Figure 1 ;

[0022] Figure 8 It is the schematic of different turning of the upper and lower end end cover of the shell in the whole structure of the utility model Figure 2 .

[0023] In the drawing: 1, shell; 2, center tube; 3, end cover; 31, cover plate; 32, first ring; 33, second ring; 34, water production outlet; 35, inlet and outlet water outlet; 36, inlet and outlet water pipe head; 37, U-shaped clamping groove; 38, limiting pipe; 39, protruding column; 310, communication hole; 311, internal thread; 312, gasket; 313, reinforcing plate; 314, third ring; 315, first partition piece; 316, second partition piece; 317, third partition piece; 4, membrane roll. DETAILED DESCRIPTION

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. All directional indicators (such as up, down, left, right, front, back, etc.) in the present utility model are only used to explain the relative positional relationship and movement of each component in a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indicator will also change accordingly.

[0025] like Figures 1-8 As shown, this embodiment provides an easy-to-install integrated spiral-wound separation membrane assembly, including a housing 1, a central tube 2, and a membrane roll 4. The central tube 2 is provided with several filter holes. The central tube 2 is located inside the housing 1 and is coaxially arranged with the housing 1. The membrane roll 4 is wound around the central tube 2. The membrane roll 4 is formed by winding multiple layers of separation membrane and support mesh, and has a high-efficiency separation capability. Both ends of the housing 1 are provided with end caps 3 that are tightly connected as one piece. The housing 1 and the end caps 3 are made of high-strength plastics and engineering plastics, such as polypropylene and polyvinylidene fluoride. This part is a conventional structure and will not be described in detail here.

[0026] like Figures 3-4 As shown, the end cap 3 includes a cover plate 31 and a ring. The cover plate 31 is fixed inside the ring. The ring includes a first ring 32 and a second ring 33 located on both sides of the cover plate 31. The first ring 32 is sleeved on the outside of the housing 1. The cover plate 31 is provided with a water outlet 34 and an inlet / outlet 35. The central tube 2 is connected to the water outlet 34. The surface of the cover plate 31 away from the housing 1 is provided with an inlet / outlet pipe head 36 that communicates with the inlet / outlet 35. The outlet pipe head is arranged radially along the cover plate 31. The outlet end of the inlet / outlet pipe head 36 is located on the outer wall of the second ring 33. The surface of the cover plate 31 near the housing 1 is provided with a diversion channel. The second ring 33 is provided with multiple U-shaped slots 37 that are offset from the inlet / outlet pipe head 36.

[0027] like Figures 3-6As shown, the middle part of the cover plate 31 is provided with a limiting pipe 38 for limiting the insertion of the central pipe 2, and the middle part of the surface of the cover plate 31 away from the shell 1 is provided with a protruding column 39, and the water outlet 34 is arranged on the protruding column 39, and the water outlet 34 in one of the end covers 3 is communicated with the limiting pipe 38 through the communication hole 310. In this case, the water outlet 34 in the end cover 3 at the upper end of the shell 1 is communicated with the limiting pipe 38, so as to communicate the water outlet 34 with the central pipe 2, and the filtered pure water flows out of the water outlet 34 through the central pipe 2. Moreover, the diameter of the communication hole 310 is smaller than the limiting pipe 38 and the water outlet 34, so that the bottom of the limiting pipe 38 and the water outlet 34 are both formed into a stepped limiting structure. The inlet and outlet pipe head 36 is an integral structure with the cover plate 31, the second ring 33 and the protruding column 39 and is integrally injection molded. The outlet end of the inlet and outlet pipe head 36 is a stepped slot, and the inner wall of the water outlet 34 and the stepped slot is provided with an internal thread 311. The bottom of the water outlet 34 connected with the communication hole 310 and the stepped slot is provided with a gasket 312, which can be sealed by raw material belt or gasket 312, so as to avoid the thread cracking in the sealing process of the traditional end cover 3.

[0028] As shown in Figure 3 , the top surface of the protruding column 39 is lower than the top surface of the second ring 33, which can play a role in supporting the base when used for the bottom end cover 3. At the same time, the side surface of the protruding column 39 is connected with the inner wall of the second ring 33 through the reinforcing plate 313. The reinforcing plate 313 is two and is arranged in a ring array with the inlet and outlet pipe head 36, which optimizes the supporting structure and improves the supporting strength of the end cover 3.

[0029] As shown in Figure 3 , the U-shaped clamping groove 37 is three and is arranged in a ring array with the outlet end of the inlet and outlet pipe head 36. Three U-shaped clamping grooves 37 are arranged in three directions respectively, so that one direction can be selected at will for fixation, and the installation is more flexible.

[0030] As shown in Figure 4 , 6As shown, the third ring 314 is arranged on the inner side of the first ring 32 close to the surface of the shell 1, and the first, second and third partition plates 315, 316 and 317 are arranged on the surface of the cover plate 31 close to the shell 1, the two ends of the first partition plate 315 are fixedly connected with the side wall of the limiting tube 38 and the inner wall of the third ring 314 respectively, the first partition plate 315 passes through the water inlet and outlet 35 to divide the water inlet and outlet 35 into two through openings, the second partition plate 316 is fixedly connected with the inner wall of the third ring 314, the third partition plate 317 is fixedly connected with the inner wall of the limiting tube 38, and the third partition plate 317 is staggered and alternately distributed with the second partition plate 316, the entering liquid flow is divided into two streams by the first partition plate 315, the second and third partition plates 316 and 317 form annular serpentine flow distribution channels, the liquid flow is curvedly flowed in the flow distribution channels, the three partition plates cooperatively control the liquid flow to uniformly distribute the raw water before entering the membrane core, and the pressure protection of the membrane roll 4 is differentiated and the liquid flow is dispersed to improve the filtration efficiency.

[0031] As shown in Figure 1 , 7 , the end caps 3 at both ends of the shell 1 can be relatively rotated around the shell and fixed by adhesive, the upper and lower end caps are angularly deflected, a plurality of installation combinations can be generated, the outlet end of the water inlet and outlet pipe head 36 in the upper and lower end caps 3 of the shell 1 is in different directions, different installation environments can be adapted, and the side of the first ring 32 connected with the shell 1 is provided with a chamfer structure, that is, the inner side of the end of the first ring 32 away from the second ring 33 is provided with a chamfer structure, so that the adhesive can be prevented from overflowing when the adhesive is bonded.

[0032] The working principle is as follows: in use, the integral separation membrane assembly is placed according to the installation position, the assembly is fixed by the screw rod passing through the U-shaped clamping groove 37 at a proper position, the lower end cap 3 is in contact with the supporting surface, the raw water pipeline and the concentrated water pipeline are respectively connected with the outlet end of the water inlet and outlet pipe head 36 on the upper and lower end caps 3 of the shell 1, and the permeate pipeline is connected with the water outlet 34 on the upper end cap 3, in work, the raw water enters into the shell 1 through the water inlet and outlet pipe head 36, enters into the center tube 2 after being filtered by the membrane roll 4, and is discharged into the permeate pipeline from the upper end of the center tube 2 through the water outlet 34, and the unfiltered concentrated water is discharged from the concentrated water pipeline through the other water inlet and outlet pipe head 36.

[0033] When cleaning, clean water can be injected from one of the two water inlet and outlet pipe heads 36 for cleaning.

[0034] Adopt integral end cover shell structure, improve the overall structure stability and sealing, reduce assembly steps, improve production efficiency, reduce cost, convenient installation, water outlet 34 and inlet and outlet water inlet 35 not in the same plane avoid the water pipe and inlet and outlet water pipe interference problem, while setting up multiple U type card slot 37, can choose a direction fixed, installation is more flexible, improve the convenience of installation, improve the bearing capacity, can satisfy the operation pressure 1.5MPa reverse osmosis membrane requirement, expand the product use range.

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

Claims

1. An easy-to-install integrated spiral wound separation membrane assembly, comprising a housing, a central tube, and a membrane roll, wherein the central tube is coaxially arranged with the housing, and the membrane roll is wound around the central tube, characterized in that, Both ends of the housing are provided with end caps that are tightly connected as one piece. Each end cap includes a cover plate and a ring. The cover plate is fixed inside the ring. The ring includes a first ring and a second ring located on both sides of the cover plate. The first ring is sleeved on the outside of the housing. The cover plate is provided with a water production port and an inlet / outlet port. The central tube is connected to the water production port. The surface of the cover plate away from the housing is provided with an inlet / outlet pipe head that communicates with the inlet / outlet port. The outlet end of the inlet / outlet pipe head is located on the outer wall of the second ring. The surface of the cover plate near the housing is provided with a diversion channel. The second ring is provided with multiple U-shaped grooves that are offset from the inlet / outlet pipe heads.

2. The easy-to-install integrated spiral wound separation membrane assembly according to claim 1, characterized in that, The cover plate has a limiting tube in the middle for limiting the insertion of the central tube, and a protruding post in the middle of the surface of the cover plate away from the shell. The water outlet is located on the protruding post, and the water outlet of one of the end caps is connected to the limiting tube through a connecting hole.

3. The easy-to-install integrated spiral wound separation membrane assembly according to claim 2, characterized in that, The diameter of the connecting hole is smaller than that of the limiting tube and the water outlet, so that the bottom of both the limiting tube and the water outlet forms a stepped limiting structure.

4. The easy-to-install integrated spiral wound separation membrane assembly according to claim 2, characterized in that, The inlet and outlet water pipes, cover plate, second ring and protruding column are all integral structures. The outlet end of the inlet and outlet water pipes is a stepped groove. The inner wall of the water outlet and the stepped groove are provided with internal threads and connected to the connecting hole. The bottom of the stepped groove is provided with a gasket.

5. The easy-to-install integrated spiral wound separation membrane assembly according to claim 2, characterized in that, The top surface of the protruding post is lower than the top surface of the second ring.

6. The easy-to-install integrated spiral wound separation membrane assembly according to claim 2, characterized in that, The side of the protruding column is connected to the inner wall of the second ring by a reinforcing plate, and there are at least two reinforcing plates distributed in a ring array with the inlet and outlet water pipe heads.

7. The easy-to-install integrated spiral wound separation membrane assembly according to claim 1, characterized in that, The U-shaped slots are at least three in number and are arranged in a ring array with the outlet end of the inlet and outlet water pipes.

8. The easy-to-install integrated spiral wound separation membrane assembly according to claim 2, characterized in that, The cover plate has a third ring on the inner side of the first ring near the shell, and a first partition plate, a second partition plate, and a third partition plate on the same surface. The two ends of the first partition plate are fixedly connected to the side wall of the limiting tube and the inner wall of the third ring, respectively. The first partition plate passes through the inlet and outlet, dividing the inlet and outlet into two passages. The second partition plate is fixedly connected to the inner wall of the third ring, and the third partition plate is fixedly connected to the inner wall of the limiting tube. The third partition plate and the second partition plate are staggered and alternately distributed. The first partition plate divides the incoming liquid flow into two streams, and the second and third partition plates form a ring-shaped meandering diversion channel.

9. The easy-to-install integrated spiral wound separation membrane assembly according to claim 1, characterized in that, The end caps at both ends of the housing can rotate relative to each other around the housing and are fixed by adhesive.

10. The easy-to-install integrated spiral wound separation membrane assembly according to claim 9, characterized in that, The first ring has a chamfered structure on the side connected to the shell.

Images