CN218981094U - External pressure type hollow fiber nanofiltration membrane component - Google Patents

Abstract

The utility model relates to the technical field of hollow fiber nanofiltration membranes, and discloses an external pressure type hollow fiber nanofiltration membrane component, which comprises an outer cylinder and a hollow fiber filter element arranged in the outer cylinder, wherein sealing heads are arranged at two ends of the outer cylinder, connectors matched with the sealing heads are fixedly connected at two ends of the outer cylinder, a plurality of locking holes are formed in the surface of the outer wall of the connectors along the circumferential direction, an extrusion ring is arranged in a rotary groove formed in the sealing heads, a plurality of hidden holes are formed in the surface of the inner wall of the extrusion ring along the circumferential direction, a plurality of ball grooves are formed in the surface of the inner wall of the sealing heads along the circumferential direction, and balls are arranged in the ball grooves; compared with the traditional screw fixing mode, the utility model has the advantages that the structure is simple, the operation is convenient and quick, the disassembly and the installation of the seal head can be realized without tools, and the cleaning and the replacement of the hollow fiber filter element in the later period of people are also convenient.

Description

External pressure type hollow fiber nanofiltration membrane component

Technical Field

The utility model relates to the technical field of hollow fiber nanofiltration membranes, in particular to an external pressure type hollow fiber nanofiltration membrane component.

Background

Nanofiltration membrane is a novel pressure-driven separation membrane with separation scale between ultrafiltration membrane and reverse osmosis membrane, and has been widely used in the fields of food processing, chemical industry, pharmaceutical intermediate purification and separation, water treatment and the like due to low operating pressure and large flux.

Through retrieval, in Chinese patent publication No. CN217662596U, an external pressure type hollow fiber nanofiltration membrane component is disclosed, and the external pressure type hollow fiber nanofiltration membrane component consists of an upper end enclosure, a lower end enclosure, an upper membrane tow distribution plate, a membrane shell, external pressure type nanofiltration membrane tows, an inner cylindrical baffle, an outer cylindrical baffle, a lower end enclosure water inlet, an upper end enclosure water purification outlet and a concentrated water outlet. In the separation process, after the solution enters the lower seal head from the water inlet, the solution enters the membrane assembly through the diversion holes on the lower membrane tow distribution plate, and after rising to the top of the inner cylindrical baffle, the solution is downwards deflected to the bottom of the outer cylindrical baffle and then rises to the upper membrane tow distribution plate, after being filtered by the nanofiltration membrane tow, the purified water flows out of the membrane assembly from the purified water outlet of the upper seal head, and most of inorganic salt and other impurities are discharged through the concentrated water outlet on the side surface of the membrane shell. The external pressure type hollow fiber nanofiltration membrane component with the internal and external baffles can enable the filtration medium to be fully contacted with the nanofiltration membrane wires, avoid short circuit, improve the filtration efficiency of the nanofiltration membrane, and is beneficial to cleaning and regeneration of the nanofiltration membrane in the use process.

However, in the above patent, since the membrane shell is fixedly connected with the upper end enclosure and the lower end enclosure, the membrane shell cannot be detached, so that after a period of use, the external pressure type nanofiltration membrane tows in the membrane shell are difficult to clean or replace, and the filtration effect of the hollow fiber nanofiltration membrane can be affected.

Disclosure of Invention

The utility model aims to provide an external pressure type hollow fiber nanofiltration membrane component, which solves the problem that the external pressure type nanofiltration membrane tows in a membrane shell are difficult to clean or replace after a period of use because the membrane shell is fixedly connected with an upper end socket and a lower end socket and cannot be disassembled, so that the filtration effect of the hollow fiber nanofiltration membrane can be influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an external pressure formula hollow fiber receives filter membrane subassembly, including the urceolus with set up in the inside hollow fiber filter core of urceolus, urceolus both ends are provided with the head, urceolus both ends fixedly connected with the connector of head looks adaptation, a plurality of locking hole has been seted up along the circumferencial direction to connector outer wall surface, be provided with the extrusion ring in the rotary tank that the head was inside seted up, a plurality of hidden hole has been seted up along the circumferencial direction to extrusion ring inner wall surface, a plurality of ball groove has been seted up along the circumferencial direction to head inner wall surface, ball inslot portion is provided with the ball.

Preferably, a water port is fixedly arranged at one end of the sealing head.

Preferably, the outer wall surface of the extrusion ring extends to the outside of the rotary groove and is fixedly provided with a plurality of protruding blocks, and the outer wall surface of the sealing head is inlaid with a plurality of indication marks.

Preferably, the outer diameter of the connector is consistent with the inner diameter of the sealing head.

Preferably, the outer wall surface of the extrusion ring is adhered with a rubber ring at the inner part of the rotary groove.

Preferably, the inner diameter of the opening of the ball groove is smaller than the diameter of the ball.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has simple structure, when the seal head is installed, the seal head is only required to be inserted on the connecting head, the ball grooves are aligned with the locking holes, then the extrusion ring is rotated, the convex blocks and the indication marks are staggered, namely the hidden holes are staggered with the ball grooves, one third part of the balls can be pressed into the locking holes through the extrusion ring, the seal head can be installed, when the seal head is dismounted, the extrusion ring is rotated, the convex blocks are in one-to-one correspondence with the indication marks, namely the hidden holes are in one-to-one correspondence with the ball grooves, so that the balls can lose extrusion of the inner wall of the extrusion ring, and then the seal head is dismounted from the connecting head.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an external pressure type hollow fiber nanofiltration membrane module of the utility model;

FIG. 2 is a front view of an external pressure type hollow fiber nanofiltration membrane module of the present utility model;

FIG. 3 is a schematic diagram of a cross-sectional structure of an end enclosure of the external pressure type hollow fiber nanofiltration membrane component of the utility model;

FIG. 4 is an exploded view of the external pressure type hollow fiber nanofiltration membrane module of the present utility model.

In the figure: 10-an outer cylinder; 11-a connector; 12-locking holes; 20-end socket; 21-ball grooves; 22-balls; 30-a water through hole; 40-extruding rings; 41-bump; 42-hiding the hole; 50-indication identifier.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an external pressure formula hollow fiber nanofiltration membrane module, including urceolus 10 and peg graft in the inside hollow fiber filter core of urceolus 10, urceolus 10 is the tubular structure of both ends opening, urceolus 10 both ends peg graft there is head 20, urceolus 10 both ends fixedly connected with head 20 looks adaptation connector 11, six locking hole 12 have been seted up along the circumferencial direction to connector 11 outer wall surface, locking hole 12 and ball 22 looks adaptation, the rotatory inslot rotation of seting up of head 20 is installed and is extruded ring 40, extrusion ring 40 can rotate in the rotatory inslot, six hidden holes 42 have been seted up along the circumferencial direction to extrusion ring 40 inner wall surface, six ball grooves 21 have been seted up along the circumferencial direction to head 20 inner wall surface, ball groove 21 inside rolling installation has ball 22, the internal diameter of ball groove 21 opening part is less than ball 22's diameter, can prevent that ball 22 from rolling out from in the ball groove 21.

Further, when the seal head 20 is installed, only the seal head 20 is required to be inserted into the connector 11, the ball grooves 21 are aligned with the locking holes 12, then the extrusion ring 40 is rotated to enable the protrusions 41 and the indication marks 50 to be staggered, namely the hidden holes 42 are staggered with the ball grooves 21, namely one third of the balls 22 can be pressed into the locking holes 12 through the extrusion ring 40, the seal head 20 can be installed, when the seal head 20 is dismounted, the extrusion ring 40 is rotated to enable the protrusions 41 to be in one-to-one correspondence with the indication marks 50, namely the hidden holes 42 are in one-to-one correspondence with the ball grooves 21, so that the balls 22 can lose extrusion of the inner walls of the extrusion ring 40, and then the seal head 20 is dismounted from the connector 11.

In the preferred technical solution of this embodiment, one end of the seal head 20 is fixedly provided with a water through port 30, wherein the water through port 30 on one seal head 20 is a sewage inlet, and the water through port 30 on the other seal head 20 is a purified water outlet.

In the preferred technical solution of this embodiment, the outer wall surface of the extruding ring 40 extends to the outside of the rotary groove and is fixedly provided with six protruding blocks 41, the positions of the six protruding blocks 41 correspond to the positions of the six hiding holes 42, the outer wall surface of the sealing head 20 is embedded with six indication marks 50, the positions of the six indication marks 50 correspond to the positions of the six ball grooves 21 one by one, so that the protruding blocks 41 and the indication marks 50 are staggered with each other, namely, the hiding holes 42 are staggered with the ball grooves 21, so that the protruding blocks 41 correspond to the indication marks 50 one by one, namely, the hiding holes 42 correspond to the ball grooves 21 one by one, and the operation of people is facilitated.

In the preferred embodiment of the present utility model, the outer diameter of the joint 11 is equal to the inner diameter of the head 20, so that the sealing performance between the joint 11 and the head 20 can be improved.

In the preferred technical scheme of this embodiment, the rubber ring is adhered to the outer wall surface of the extrusion ring 40 at the inner part of the rotary groove, and the rubber ring can increase the friction between the extrusion ring 40 and the rotary groove, so that the extrusion ring 40 cannot rotate under the action of no external force, and the installation firmness of the seal head 20 can be ensured.

Working principle: when the seal head 20 is installed, only the seal head 20 is required to be inserted into the connector 11, the ball grooves 21 are aligned with the locking holes 12, then the extrusion ring 40 is rotated, the convex blocks 41 and the indication marks 50 are staggered, namely the hidden holes 42 are staggered with the ball grooves 21, one third of the balls 22 can be pressed into the locking holes 12 through the extrusion ring 40, the seal head 20 can be installed, when the seal head 20 is disassembled, the extrusion ring 40 is rotated, the convex blocks 41 are in one-to-one correspondence with the indication marks 50, namely the hidden holes 42 are in one-to-one correspondence with the ball grooves 21, so that the balls 22 can lose extrusion of the inner walls of the extrusion ring 40, and then the seal head 20 is disassembled from the connector 11.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement it without limiting the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (6)

1. The utility model provides an external pressure formula hollow fiber nanofiltration membrane module, includes urceolus (10) and set up in the inside hollow fiber filter core of urceolus (10), urceolus (10) both ends are provided with head (20), its characterized in that: the novel sealing device is characterized in that connectors (11) matched with the sealing head (20) are fixedly connected to two ends of the outer cylinder (10), a plurality of locking holes (12) are formed in the outer wall surface of the connectors (11) along the circumferential direction, a squeezing ring (40) is arranged in a rotary groove formed in the sealing head (20), a plurality of hidden holes (42) are formed in the inner wall surface of the squeezing ring (40) along the circumferential direction, a plurality of ball grooves (21) are formed in the inner wall surface of the sealing head (20) along the circumferential direction, and balls (22) are arranged in the ball grooves (21).

2. An external pressure type hollow fiber nanofiltration membrane module according to claim 1, wherein: a water port (30) is fixedly arranged at one end of the seal head (20).

3. An external pressure type hollow fiber nanofiltration membrane module according to claim 1, wherein: the outer wall surface of the extrusion ring (40) extends to the outside of the rotary groove and is fixedly provided with a plurality of protruding blocks (41), and the outer wall surface of the seal head (20) is inlaid with a plurality of indication marks (50).

4. An external pressure type hollow fiber nanofiltration membrane module according to claim 1, wherein: the outer diameter of the connector (11) is consistent with the inner diameter of the sealing head (20).

5. An external pressure type hollow fiber nanofiltration membrane module according to claim 1, wherein: the outer wall surface of the extrusion ring (40) is adhered with a rubber ring at the inner part of the rotary groove.

6. An external pressure type hollow fiber nanofiltration membrane module according to claim 1, wherein: the inner diameter of the opening of the ball groove (21) is smaller than the diameter of the ball (22).

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