Hollow fiber ultrafiltration membrane structure

Abstract

The utility model relates to the field of water purification and filtration, in particular to a hollow fiber ultrafiltration membrane structure, which comprises an ultrafiltration membrane tube body and an upper sealing tube cover, a lower sealing tube cover is fixedly mounted at the lower end of the ultrafiltration membrane tube body, and the upper end of the lower sealing tube cover is positioned in the ultrafiltration membrane tube body and is fixedly connected with a central tube. A filter element is arranged in the ultrafiltration membrane tube body on the surface of the central tube, a connecting frame is fixedly mounted at the upper end of the filter element, a sealing connector is fixedly mounted at the upper end of the ultrafiltration membrane tube body, an O-shaped ring is fixedly mounted on the surface of the sealing connector, and a connecting disc I is fixedly mounted on the upper side of the surface of the ultrafiltration membrane tube body; the ultrafiltration membrane tube body and the upper sealing tube cover can be separated conveniently by unscrewing the bolt, the filter element can be taken out in a sliding manner by pulling the connecting frame, the structure is simple, the operation is convenient, after a new filter element is put in, the upper sealing tube cover is mounted, and finally the bolt is used for fixing, so that the whole tube body is prevented from being replaced, the cost is reduced, and the resource waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water purification filter field especially relates to hollow fiber ultrafiltration membrane structure. BACKGROUND

[0002] Hollow fiber ultrafiltration membrane is a kind of ultrafiltration membrane technology, with advanced and mature technical characteristics, it is made of hollow fiber material, usually used for the separation, concentration and purification of macromolecular substance, hollow fiber ultrafiltration membrane has strong water purification performance, is widely used in water treatment, solution separation and concentration, wastewater purification and reuse etc., its working principle is through membrane separation technology, utilizes pressure difference to filter, can operate at normal temperature, low pressure, simple structure, convenient operation.

[0003] At present, hollow fiber ultrafiltration membrane structure is used for a period of time, filter core purification capacity drops, but part filter core mounting structure has certain limitation, needs to replace the whole pipe body, and the cost is higher, and resource waste will be caused.

[0004] Therefore, in view of the fact that hollow fiber ultrafiltration membrane structure needs to replace the whole pipe body due to the limitation of filter core mounting structure, the cost is higher, and resource waste will be caused, a hollow fiber ultrafiltration membrane structure that filter core can be replaced separately can be designed. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that hollow fiber ultrafiltration membrane structure needs to replace the whole pipe body due to the limitation of filter core mounting structure, the cost is higher, and resource waste will be caused.

[0006] The technical scheme of the utility model is as follows: hollow fiber ultrafiltration membrane structure, including ultrafiltration membrane pipe body, still including upper sealing pipe cover, the lower end of ultrafiltration membrane pipe body is fixedly installed with lower sealing pipe cover, the upper end of lower sealing pipe cover is fixedly connected with center tube in the inside of ultrafiltration membrane pipe body, the surface of center tube is provided with filter core in the inside of ultrafiltration membrane pipe body, the upper end of filter core is fixedly installed with connecting frame, the upper end of ultrafiltration membrane pipe body is fixedly installed with sealing connection mouth, the surface of sealing connection mouth is fixedly installed with O type ring, the upper side of the surface of ultrafiltration membrane pipe body is fixedly installed with connecting disc one, the inner surface of upper sealing pipe cover is provided with sealing clamping groove, the lower side of the surface of upper sealing pipe cover is fixedly installed with connecting disc two, connecting hole is formed in connecting disc one and connecting disc two, the upper end of center tube is fixedly installed with sealing ring one, the upper end of sealing connection mouth is fixedly installed with sealing ring two.

[0007] Preferably, bolts can securely connect the ultrafiltration membrane tube and the upper sealing cap, and are easy to disassemble and assemble. The connecting bracket can be pulled out to remove the filter element, and the connecting bracket, together with the compression pad, is pressed and adhered to by the sealing cap, which facilitates the stability of the filter element installation. The filter element installation structure is simple and easy to operate, which can improve the ease and efficiency of replacement work. The connection between connecting disc one and connecting disc two has strong sealing performance. The upper sealing cap can tightly fit and press the sealing ring one and sealing ring two, improving the sealing performance at the docking groove and the sealing connection. At the same time, it allows the O-ring to be inserted into the sealing groove, further optimizing the sealing performance of the connection structure.

[0008] Preferably, the lower end of the lower sealing cap is fixedly connected to a water outlet, which is connected to the central pipe.

[0009] Preferably, the upper end of the upper sealing cap is fixedly connected to a water inlet, and the inner side of the lower end of the upper sealing cap is provided with a mating groove.

[0010] Preferably, the docking slot is connected to the water inlet, the central tube is engaged with the docking slot, the surface of the central tube is slidably connected to the filter element, and the surface of the filter element is slidably connected to the ultrafiltration membrane tube body.

[0011] Preferably, the connecting frame has a ring structure design, and a compression pad is fixedly installed at the upper end of the connecting frame. The compression pad fits into the upper sealing tube cover.

[0012] Preferably, the upper sealing tube cap is engaged with the sealing connection port, the O-ring is adapted to the sealing groove, and both sealing ring one and sealing ring two are fitted and connected to the upper sealing tube cap.

[0013] Preferably, the connecting holes are arranged in a ring array, and connecting disc one and connecting disc two are connected by bolts.

[0014] The beneficial effects of this utility model are:

[0015] This hollow fiber ultrafiltration membrane structure allows for easy separation of the ultrafiltration membrane tube and the upper sealing cap by unscrewing the bolts. The filter element can be slidably removed by pulling the connecting bracket. The structure is simple and easy to operate. After inserting a new filter element, the upper sealing cap is installed and finally secured with bolts, avoiding the need to replace the entire tube, which helps reduce costs and resource waste. When the bolts are tightened on connecting discs one and two, the upper sealing cap can tightly fit and press against sealing rings one and two, improving the sealing performance at the docking groove and sealing connection. At the same time, it allows the O-ring to engage in the sealing groove, further optimizing the sealing performance of the connection structure. This helps ensure the normal use of the hollow fiber ultrafiltration membrane structure and significantly reduces the probability of leakage at the equipment connection. Attached Figure Description

[0016] Figure 1The hollow fiber ultrafiltration membrane structure three-dimensional structure schematic diagram of the utility model is shown Figure 1 ;

[0017] Figure 2 The hollow fiber ultrafiltration membrane structure three-dimensional structure schematic diagram of the utility model is shown Figure 2 ;

[0018] Figure 3 The hollow fiber ultrafiltration membrane structure three-dimensional structure schematic diagram of the utility model is shown

[0019] Figure 4 The hollow fiber ultrafiltration membrane structure three-dimensional structure schematic diagram of the utility model is shown

[0020] Figure 5 The hollow fiber ultrafiltration membrane structure three-dimensional structure schematic diagram of the utility model is shown

[0021] Mark 1, ultrafiltration membrane tube body, 2, upper sealing pipe cover, 3, lower sealing pipe cover, 4, center tube, 5, filter core, 6, connecting frame, 7, sealing connection port, 8, O ring, 9, connecting disc one, 10, sealing clamping groove, 11, connecting disc two, 12, connecting hole, 13, sealing ring one, 14, sealing ring two, 15, water outlet, 16, water inlet, 17, butt joint clamping groove, 18, extrusion pad. DETAILED DESCRIPTION

[0022] The utility model is further explained below in combination with the drawings and examples.

[0023] Please refer to Figures 1-5 , the utility model provides a kind of hollow fiber ultrafiltration membrane structure, including ultrafiltration membrane tube body 1, still including upper sealing pipe cover 2, the lower end of ultrafiltration membrane tube body 1 is fixedly installed with lower sealing pipe cover 3, the upper end of lower sealing pipe cover 3 is fixedly connected with center tube 4 in the inside of ultrafiltration membrane tube body 1, the surface of center tube 4 is provided with filter core 5 in the inside of ultrafiltration membrane tube body 1, the upper end of filter core 5 is fixedly installed with connecting frame 6, the upper end of ultrafiltration membrane tube body 1 is fixedly installed with sealing connection port 7, the surface of sealing connection port 7 is fixedly installed with O ring 8, the upper side of the surface of ultrafiltration membrane tube body 1 is fixedly installed with connecting disc one 9, the inner surface of upper sealing pipe cover 2 is provided with sealing clamping groove 10, the lower side of the surface of upper sealing pipe cover 2 is fixedly installed with connecting disc two 11, connecting disc one 9 and connecting disc two 11 are all provided with connecting hole 12, the upper end of center tube 4 is fixedly installed with sealing ring one 13, the upper end of sealing connection port 7 is fixedly installed with sealing ring two 14.

[0024] Please refer to Figures 1-5In the embodiment, the lower end of the lower sealing pipe cover 3 is fixedly connected with a water outlet 15, the water outlet 15 is communicated with the center pipe 4, the upper end of the upper sealing pipe cover 2 is fixedly connected with a water inlet 16, the inner side of the lower end of the upper sealing pipe cover 2 is provided with a butt joint clamping groove 17, the butt joint clamping groove 17 is communicated with the water inlet 16, the center pipe 4 is clampingly connected with the butt joint clamping groove 17, the surface of the center pipe 4 is slidingly connected with the filter core 5, the surface of the filter core 5 is slidingly connected with the ultrafiltration membrane pipe body 1, the connecting frame 6 is designed in a ring structure, the upper end of the connecting frame 6 is fixedly installed with a pressing pad 18, the pressing pad 18 is matched with the upper sealing pipe cover 2, the bolt is unscrewed by using a tool, the ultrafiltration membrane pipe body 1 and the upper sealing pipe cover 2 are conveniently separated, the filter core 5 can be slidingly taken out by pulling the connecting frame 6, so that the filter core 5 is individually replaced, the structure is simple, the operation is convenient, after a new filter core 5 is put in, the upper sealing pipe cover 2 is installed, the center pipe 4 is inserted into the butt joint clamping groove 17, finally the bolt is fixed, the whole pipe body is avoided from being replaced, the cost is reduced, and the resource waste is reduced.

[0025] Please refer to Figures 1-5 In the embodiment, the upper sealing pipe cover 2 is clampingly connected with the sealing connection port 7, the O-shaped ring 8 is matched with the sealing clamping groove 10, the sealing ring one 13 and the sealing ring two 14 are matched with the upper sealing pipe cover 2, the connecting holes 12 are distributed in a ring array, the connecting disc one 9 and the connecting disc two 11 are connected through the bolt, when the bolt fastens the connecting disc one 9 and the connecting disc two 11, the upper sealing pipe cover 2 is conveniently matched and pressed to seal the sealing ring one 13 and the sealing ring two 14, the sealing performance of the connecting structure is further optimized, the normal use of the hollow fiber ultrafiltration membrane structure is facilitated, and the probability of leakage at the equipment connection is greatly reduced.

[0026] In the working process, the bolt is unscrewed by using a tool, the ultrafiltration membrane pipe body 1 and the upper sealing pipe cover 2 are conveniently separated, the filter core 5 can be slidingly taken out by pulling the connecting frame 6, so that the filter core 5 is individually replaced, the structure is simple, the operation is convenient, after a new filter core 5 is put in, the upper sealing pipe cover 2 is installed, the center pipe 4 is inserted into the butt joint clamping groove 17, finally the bolt is fixed, the whole pipe body is avoided from being replaced, when the bolt fastens the connecting disc one 9 and the connecting disc two 11, the upper sealing pipe cover 2 is conveniently matched and pressed to seal the sealing ring one 13 and the sealing ring two 14, the sealing performance of the connecting structure is further optimized.

[0027] Through the above steps, the tool is used to unscrew the bolt, the ultrafiltration membrane tube body 1 and the upper sealing pipe cover 2 are conveniently separated, the filter core 5 can be slid out by pulling the connecting frame 6, and the filter core 5 is replaced individually, so that the problem that the hollow fiber ultrafiltration membrane structure has certain limitations due to the installation structure of the filter core 5, the tube body needs to be replaced as a whole, the cost is higher, and resource waste is caused is solved.

Claims

1. A hollow fiber ultrafiltration membrane structure comprising an ultrafiltration membrane tube body (1), characterized in that: The upper sealing pipe cover (2) is further included, the lower end of the ultrafiltration membrane pipe body (1) is fixedly installed with a lower sealing pipe cover (3), the upper end of the lower sealing pipe cover (3) is fixedly connected with a center pipe (4) in the inside of the ultrafiltration membrane pipe body (1), the surface of the center pipe (4) is provided with a filter core (5) in the inside of the ultrafiltration membrane pipe body (1), the upper end of the filter core (5) is fixedly installed with a connecting frame (6), the upper end of the ultrafiltration membrane pipe body (1) is fixedly installed with a sealing connection port (7), the surface of the sealing connection port (7) is fixedly installed with an O-shaped ring (8), the upper side of the surface of the ultrafiltration membrane pipe body (1) is fixedly installed with a connecting disc one (9), the inner surface of the upper sealing pipe cover (2) is provided with a sealing clamping groove (10), the lower side of the surface of the upper sealing pipe cover (2) is fixedly installed with a connecting disc two (11), the connecting hole (12) is arranged on the connecting disc one (9) and the connecting disc two (11), the upper end of the center pipe (4) is fixedly installed with a sealing ring one (13), the upper end of the sealing connection port (7) is fixedly installed with a sealing ring two (14).

2. The hollow fiber ultrafiltration membrane structure of claim 1, wherein: The lower end of the lower sealing pipe cover (3) is fixedly connected with a water outlet pipe port (15), and the water outlet pipe port (15) and the center pipe (4) are communicated with each other.

3. The hollow fiber ultrafiltration membrane structure of claim 1, wherein: The upper end of the upper sealing pipe cover (2) is fixedly connected with a water inlet pipe port (16), and the inner side of the lower end of the upper sealing pipe cover (2) is provided with a butt joint clamping groove (17).

4. The hollow fiber ultrafiltration membrane structure of claim 3, wherein: The butt joint clamping groove (17) and the water inlet pipe port (16) are communicated with each other, the center pipe (4) is clamped and connected with the butt joint clamping groove (17), the surface of the center pipe (4) is slidingly connected with the filter core (5), and the surface of the filter core (5) is slidingly connected with the ultrafiltration membrane pipe body (1).

5. The hollow fiber ultrafiltration membrane structure of claim 1, wherein: The connecting frame (6) is designed in a ring structure, the upper end of the connecting frame (6) is fixedly installed with an extrusion pad (18), and the extrusion pad (18) is matched with the upper sealing pipe cover (2).

6. The hollow fiber ultrafiltration membrane structure of claim 1, wherein: The upper sealing pipe cover (2) is clamped and connected with the sealing connection port (7), the O-shaped ring (8) is matched with the sealing clamping groove (10), and the sealing ring one (13) and the sealing ring two (14) are clamped and connected with the upper sealing pipe cover (2).

7. The hollow fiber ultrafiltration membrane structure of claim 1, wherein: The connecting hole (12) is arranged in a ring array, and the connecting disc one (9) and the connecting disc two (11) are connected through bolts.

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