CN220460339U - Ultrafiltration filter element and water purifying device comprising same - Google Patents

Abstract

The utility model relates to the technical field of ultrafiltration equipment, and particularly provides an ultrafiltration filter element and a water purifying device comprising the ultrafiltration filter element. The ultrafiltration cartridge includes a housing and an ultrafiltration assembly positioned within a chamber of the housing. The shell is provided with a first water receiving port, a second water receiving port and a third water receiving port; the ultrafiltration component comprises a hollow pipe and an ultrafiltration membrane core fixed on the circumference of the hollow pipe, and one end of the hollow pipe is communicated with the first water receiving port; a first clearance runner communicated with the other end of the hollow tube is arranged between one end of the ultrafiltration membrane core and the inner wall of one end of the shell; a second gap runner communicated with a second water receiving port is arranged between the other end of the ultrafiltration membrane core and the inner wall of the other end of the shell; a third gap runner communicated with a third water receiving port is arranged between the outer side wall of the ultrafiltration membrane core and the inner side wall of the shell; the first water receiving mouth, the second water receiving mouth and the third water receiving mouth are all positioned at the same side end of the shell, so that the water receiving mouths of the ultrafiltration filter element are convenient to intensively arrange wiring pipelines, and the disassembly and assembly convenience of the ultrafiltration filter element is improved.

Description

Ultrafiltration filter element and water purifying device comprising same

Technical Field

The utility model relates to the technical field of ultrafiltration equipment, and particularly provides an ultrafiltration filter element and a water purifying device comprising the ultrafiltration filter element.

Background

The ultrafiltration filter element is a common water treatment filter element, and has the main functions of removing suspended particles, sediment, microorganisms, organic matters, peculiar smell and other impurities in water in a physical filtration mode and providing clear, transparent, safe and healthy drinking water.

The existing ultrafiltration filter core self structure is usually that both ends receive water simultaneously, and ultrafiltration filter core's water inlet, delivery port and washing mouth are not concentrated, and the pipeline wiring is more messy in the purifier during the installation, for example, in the purifier of integrated water route design, needs to additionally increase water receiving pipe and integrated water route board to be connected, and user experience is not good.

Accordingly, there is a need in the art for a new ultrafiltration cartridge that addresses the above-described problems.

Disclosure of Invention

In order to solve the problems in the prior art, namely, the problem that the water receiving port of the existing ultrafiltration filter element is not centralized and is easy to lead to messy pipeline wiring is solved.

In a first aspect, the present utility model provides an ultrafiltration cartridge comprising: the shell is provided with a first water receiving port, a second water receiving port and a third water receiving port; the ultrafiltration component is positioned in the cavity of the shell and comprises a hollow pipe and an ultrafiltration membrane core fixed on the circumference of the hollow pipe, and one end of the hollow pipe is communicated with the first water receiving port; a first clearance flow passage is arranged between one end of the ultrafiltration membrane core and the inner wall of one end of the shell, and the first clearance flow passage is communicated with the other end of the hollow tube; a second clearance runner is arranged between the other end of the ultrafiltration membrane core and the inner wall of the other end of the shell, and the second clearance runner is communicated with the second water receiving port; a third clearance runner is arranged between the outer side wall of the ultrafiltration membrane core and the inner side wall of the shell, and the third clearance runner is communicated with the third water receiving port; the first water receiving port, the second water receiving port and the third water receiving port are all positioned at the same side end of the shell.

Under the condition of the preferable technical scheme of the ultrafiltration filter element, the shell comprises a first end cover, a second end cover and a cylindrical body, wherein the first end cover is fixed in a cavity of the cylindrical body, the second end cover is fixedly connected with the cylindrical body in a threaded manner, and the first water receiving port, the second water receiving port and the third water receiving port are formed on the cylindrical body; under the condition that the installation is completed, the ultrafiltration membrane core is clamped and fixed by the first end cover and the second end cover, and the first clearance runner is formed between the first end cover and one end of the ultrafiltration membrane core; the second gap flow channel is formed between the second end cover and the other end of the ultrafiltration membrane core.

In the case of the above preferred technical solution of the ultrafiltration cartridge, the ultrafiltration assembly further comprises a fixing sleeve, the fixing sleeve being located at an end of the ultrafiltration membrane core; the fixing sleeve, the ultrafiltration membrane core and the hollow tube form an integral component through casting.

Under the condition of the preferable technical scheme of the ultrafiltration filter element, the fixed sleeve comprises a first fixed sleeve and a second fixed sleeve, the first fixed sleeve is in sealing connection with the first end cover, and the second fixed sleeve is in sealing connection with the second end cover.

Under the condition of the preferable technical scheme of the ultrafiltration filter element, the ultrafiltration filter element further comprises a first sealing ring, and the first sealing ring is positioned between the second end cover and the cylindrical body.

In the case of the above preferred technical solution of the ultrafiltration filter cartridge, the ultrafiltration filter cartridge further comprises a second sealing ring, which is located between the second end cap and the second fixing sleeve.

In the case of the above preferred technical solution of the ultrafiltration filter cartridge, the ultrafiltration filter cartridge further comprises a third sealing ring, which is located between the first end cap and the first fixing sleeve.

Under the condition of the preferable technical scheme of the ultrafiltration filter element, the ultrafiltration membrane core is a hollow fiber membrane wire, and the hollow fiber membrane wire is arranged in parallel with the axis of the hollow tube.

In the case of the above preferred technical solution of the ultrafiltration cartridge, when the housing is disposed in the horizontal direction, the third water receiving port is disposed at the lowest position of the horizontal position of the housing.

In a second aspect, the utility model also provides a water purification device comprising the ultrafiltration cartridge.

It will be appreciated by those skilled in the art that the ultrafiltration cartridge of the present utility model comprises a housing and an ultrafiltration module located within a chamber of the housing. The shell is provided with a first water receiving port, a second water receiving port and a third water receiving port; the ultrafiltration component comprises a hollow pipe and an ultrafiltration membrane core fixed on the circumference of the hollow pipe, and one end of the hollow pipe is communicated with the first water receiving port; a first clearance flow passage is arranged between one end of the ultrafiltration membrane core and the inner wall of one end of the shell, and the first clearance flow passage is communicated with the other end of the hollow tube; a second clearance runner is arranged between the other end of the ultrafiltration membrane core and the inner wall of the other end of the shell, and the second clearance runner is communicated with a second water receiving port; a third clearance runner is arranged between the outer side wall of the ultrafiltration membrane core and the inner side wall of the shell, and is communicated with a third water receiving port; wherein, first water receiving mouth, second water receiving mouth and third water receiving mouth all are located the same side of casing. Through such setting, all water receiving ports of ultrafiltration filter core all concentrate the same side of setting at the casing, and the water receiving ports of ultrafiltration filter core of being convenient for concentrate the wiring pipeline of arranging, have improved the convenience of ultrafiltration filter core dismouting.

Further, the shell comprises a first end cover, a second end cover and a cylindrical body, wherein the first end cover is fixed in a cavity of the cylindrical body, the second end cover is fixedly connected with the cylindrical body in a threaded manner, and the first water receiving port, the second water receiving port and the third water receiving port are formed on the cylindrical body; under the condition that the installation is completed, the ultrafiltration membrane core is clamped and fixed by the first end cover and the second end cover, and a first clearance runner is formed between the first end cover and one end of the ultrafiltration membrane core; the second gap flow channel is formed between the second end cover and the other end of the ultrafiltration membrane core. Through the arrangement, the ultrafiltration membrane core can be installed in the shell only by opening the second end cover, so that the water leakage point of the ultrafiltration filter core is reduced, and the integral use safety of the ultrafiltration filter core is improved.

Further, in the case of the above-mentioned preferred technical solution of the ultrafiltration cartridge, the ultrafiltration assembly further comprises a fixing sleeve located at an end of the ultrafiltration cartridge; the fixing sleeve, the ultrafiltration membrane core and the hollow tube form an integral part by casting. Through such setting, the ultrafiltration subassembly of being convenient for wholly assembles at the casing, simplifies the installation.

Further, when the housing is disposed in the horizontal direction, the third water receiving port is disposed at the lowest position of the horizontal position of the housing. Through such setting, when the ultrafiltration filter core is horizontal to be set up, the hydroenergy in the third clearance runner in the ultrafiltration filter core of being convenient for flows out as far as possible, avoids retaining water and breeding the bacterium in the casing.

In addition, the water purifying device further provided on the basis of the technical scheme adopts the ultrafiltration filter element, so that the water purifying device has the technical effect of the ultrafiltration filter element, and compared with the existing water purifying device, the water collecting port of the ultrafiltration filter element of the water purifying device is more convenient to intensively arrange pipelines.

Drawings

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the internal structure of an ultrafiltration cartridge of the present utility model;

FIG. 2 is a schematic illustration of the normal flow of produced water to an ultrafiltration cartridge of the present utility model;

FIG. 3 is a schematic illustration of the forward flushing water flow direction of the ultrafiltration cartridge of the present utility model;

FIG. 4 is a schematic representation of the flow direction of the backflushing water flow of the ultrafiltration cartridge of the present utility model;

fig. 5 is a schematic view of the overall structure of the ultrafiltration cartridge of the present utility model.

List of reference numerals:

1. a cylindrical body; 11. a first water receiving port; 12. a second water receiving port; 13. a third water receiving port; 141. a first gap flow path; 142. a second gap flow path; 143. a third gap flow path; 21. a hollow tube; 22. an ultrafiltration membrane core; 231. a first fixing sleeve; 232. a second fixing sleeve; 31. a first end cap; 32. a second end cap; 41. a first seal ring; 42. a second seal ring; 43. and a third sealing ring.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "inner," "outer," and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the two components can be mechanically connected, can be directly connected or can be indirectly connected through an intermediate medium, and can be communicated with each other. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The water receiving mouth of the existing ultrafiltration filter element based on the background technology is not centralized and is easy to lead to the problem of messy pipeline wiring. The utility model provides an ultrafiltration filter element, which aims to concentrate a water receiving port on a shell at one end of the ultrafiltration filter element, so that pipeline wiring access installation is facilitated, and user experience is improved.

In particular, as shown in fig. 1-5, the ultrafiltration cartridge of the present utility model includes a housing and an ultrafiltration module positioned within a chamber of the housing. Wherein, be equipped with first water receiving mouth 11, second water receiving mouth 12 and third water receiving mouth 13 on the casing, first water receiving mouth 11, second water receiving mouth 12 and third water receiving mouth 13 all are located the same side of casing and hold. The ultrafiltration component comprises a hollow tube 21 and an ultrafiltration membrane core 22 fixed on the circumference of the hollow tube 21, wherein the ultrafiltration membrane core 22 is a hollow fiber membrane wire, the hollow fiber membrane wire is arranged in parallel with the axis of the hollow tube 21, and the right side end of the hollow tube 21 is communicated with the first water receiving port 11. A first gap flow passage 141 is provided between the left end of the ultrafiltration membrane core 22 and the inner wall of the left end of the housing, and the first gap flow passage 141 communicates with the left end of the hollow tube 21. A second gap runner 142 is arranged between the right side end of the ultrafiltration membrane core 22 and the inner wall of the right side end of the shell, and the second gap runner 142 is communicated with the second water receiving port 12; a third gap flow channel 143 is arranged between the outer side wall of the ultrafiltration membrane core 22 and the inner side wall of the shell, and the third gap flow channel 143 is communicated with the third water receiving port 13.

Preferably, as shown in fig. 1 to 4, the housing includes a first end cap 31, a second end cap 32 and a cylindrical body 1, the first end cap 31 is fixed in a cavity of the cylindrical body 1, the second end cap 32 is screwed and fixed with the cylindrical body 1, and the first water receiving port 11, the second water receiving port 12 and the third water receiving port 13 are formed on the cylindrical body 1; when the mounting is completed, the ultrafiltration membrane core 22 is clamped and fixed by the first end cover 31 and the second end cover 32, and the first gap flow passage 141 is formed between the first end cover 31 and one end of the ultrafiltration membrane core 22; a second gap flow channel 142 is formed between the second end cap 32 and the other end of the ultrafiltration membrane core 22.

Illustratively, as shown in fig. 1 to 4, the first end cap 31 includes a connecting first duct (not shown) through which the right side end of the hollow tube 21 communicates with the first water receiving port 11 and a second duct (not shown) through which the second gap flow passage 142 communicates with the second water receiving port 12. The first water receiving port 11, the second water receiving port 12, and the third water receiving port 13 are formed at the right end of the cylindrical body 1. The inner wall of the left side end of the tubular body 1 is provided with an internal thread, the outer side wall of the second end cover 32 is provided with an external thread, and the external thread of the second end cover 32 is in threaded fit and fixed with the external thread of the tubular body 1.

Preferably, as shown in fig. 1-4, the ultrafiltration assembly further comprises a retaining sleeve located at the end of the ultrafiltration membrane core 22; the fixed sleeve, the ultrafiltration membrane core 22 and the hollow tube 21 are formed as an integral part by casting.

Illustratively, as shown in fig. 1 to 4, the fixing sleeve includes a first fixing sleeve 231 and a second fixing sleeve 232, the first fixing sleeve 231 is located at the right side end of the ultrafiltration membrane core 22, the first fixing sleeve 231 is in sealing connection with the first end cap 31, the second fixing sleeve 232 is located at the left side end of the ultrafiltration membrane core 22, and the second fixing sleeve 232 is in sealing connection with the second end cap 32.

Wherein, first fixed cover 231, second fixed cover 232, hollow fiber membrane silk and hollow tube 21 form an integral part through the pouring, and then the ultrafiltration module is wholly assembled in the casing of being convenient for, simplifies the installation process.

The epoxy resin is used for casting in the preparation process.

Preferably, as shown in fig. 1 to 5, when the housing is disposed in the horizontal direction, the third water receiving port 13 is placed at the lowest position of the horizontal position of the housing.

Illustratively, as shown in fig. 1 to 5, when the cylindrical body 1 is lying, the third water receiving port 13 is placed at the lowest position of the horizontal position of the cylindrical body 1. When the ultrafiltration filter core is used for preparing water or flushing, the water in the third flow passage can be discharged as much as possible, and bacteria breeding caused by water retention in the shell can be avoided.

Furthermore, as shown in fig. 1 to 4, the ultrafiltration cartridge further comprises a first sealing ring 41, a second sealing ring 42 and a third sealing ring 43. Wherein the first sealing ring 41 is located between the second end cap 32 and the cylindrical body 1. The second seal ring 42 is located between the second end cap 32 and the second retaining sleeve 232, and the third seal ring 43 is located between the first end cap 31 and the first retaining sleeve 231. The number of the second sealing ring 42 and the third sealing ring 43 is two.

In the normal water production state of the ultrafiltration filter core, as shown in fig. 2, the second water receiving port 12 is closed, the first water receiving port 11 is connected with raw water as a water inlet, and the third water receiving port 13 is used as a water purifying port. Raw water enters the hollow pipe 21 along the first water receiving port 11 and flows into the first gap flow channel 141, raw water is shunted into the left side end of the ultrafiltration membrane core 22 through the first gap flow channel 141, filtered clean water flows out of the outer side wall of the ultrafiltration membrane core 22 and is collected in the third gap flow channel 143, and then the clean water flows out through the third water receiving port 13.

In the forward flushing state of the ultrafiltration cartridge, as shown in fig. 3, the third water receiving port 13 is closed, the first water receiving port 11 is connected with raw water as a water inlet, the second water receiving port 12 is used as a flushing port, raw water enters the hollow tube 21 along the first water receiving port 11 and flows into the first gap flow passage 141, raw water is shunted into the left side end of the ultrafiltration membrane core 22 through the first gap flow passage 141 to flush the ultrafiltration membrane core 22, the flushed waste water flows out of the right side end of the ultrafiltration membrane core 22 and is collected in the second gap flow passage 142, and finally the waste water flows out through the second water receiving port 12.

In the backflushing state of the ultrafiltration cartridge, as shown in fig. 4, the first water receiving port 11, the second water receiving port 12 and the third water receiving port 13 are opened. Wherein the third water receiving port 13 receives raw water, and the first water receiving port 11 and the second water receiving port 12 are both used as flushing ports. When the raw water flows into the third interval flow passage through the third water receiving port 13, the raw water washes the ultrafiltration membrane core 22 in the radial direction of the ultrafiltration module, and the washed wastewater flows to the left side end and the right side end of the ultrafiltration membrane core 22, respectively, that is, the wastewater is collected in the first gap flow passage 141 and the second gap flow passage 142, respectively. Wherein, the waste water of the first gap runner 141 is discharged through the hollow pipe 21 through the first water receiving port 11, and the waste water of the second gap runner 142 is discharged through the second water receiving port 12.

The ultrafiltration filter core is subjected to the two flushing modes, so that the cleaning effect on the ultrafiltration membrane core 22 is greatly improved.

Finally, the utility model also provides a water purifying device which comprises the ultrafiltration filter element.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will be within the scope of the present utility model.

Claims (10)

1. An ultrafiltration cartridge, comprising:

a shell, on which a first water receiving port (11), a second water receiving port (12) and a third water receiving port (13) are arranged;

the ultrafiltration assembly is positioned in the cavity of the shell and comprises a hollow pipe (21) and an ultrafiltration membrane core (22) fixed on the circumference of the hollow pipe (21), and one end of the hollow pipe (21) is communicated with the first water receiving port (11);

wherein a first clearance flow passage (141) is arranged between one end of the ultrafiltration membrane core (22) and the inner wall of one end of the shell, and the first clearance flow passage (141) is communicated with the other end of the hollow tube (21);

a second clearance runner (142) is arranged between the other end of the ultrafiltration membrane core (22) and the inner wall of the other end of the shell, and the second clearance runner (142) is communicated with the second water receiving port (12);

a third clearance runner (143) is arranged between the outer side wall of the ultrafiltration membrane core (22) and the inner side wall of the shell, and the third clearance runner (143) is communicated with the third water receiving port (13);

the first water receiving port (11), the second water receiving port (12) and the third water receiving port (13) are all positioned at the same side end of the shell.

2. The ultrafiltration cartridge according to claim 1, wherein the housing comprises a first end cap (31), a second end cap (32) and a cylindrical body (1), the first end cap (31) being fixed within a chamber of the cylindrical body (1), the second end cap (32) being screwed with the cylindrical body (1), the first water receiving port (11), the second water receiving port (12) and the third water receiving port (13) being formed on the cylindrical body (1); when the installation is completed, the first end cover (31) and the second end cover (32) clamp and fix the ultrafiltration membrane core (22), and the first clearance flow channel (141) is formed between the first end cover (31) and one end of the ultrafiltration membrane core (22); the second gap flow channel (142) is formed between the second end cap (32) and the other end of the ultrafiltration membrane core (22).

3. The ultrafiltration cartridge of claim 2, wherein the ultrafiltration module further comprises a retaining sleeve located at an end of the ultrafiltration membrane core (22); the fixing sleeve, the ultrafiltration membrane core (22) and the hollow tube (21) form an integral part by casting.

4. An ultrafiltration cartridge according to claim 3, wherein the fixation sleeve comprises a first fixation sleeve (231) and a second fixation sleeve (232), the first fixation sleeve (231) being in sealing connection with the first end cap (31), the second fixation sleeve (232) being in sealing connection with the second end cap (32).

5. The ultrafiltration cartridge of claim 4, further comprising a first seal ring (41), the first seal ring (41) being located between the second end cap (32) and the cylindrical body (1).

6. The ultrafiltration cartridge of claim 4 further comprising a second seal ring (42), the second seal ring (42) being located between the second end cap (32) and the second retaining sleeve (232).

7. The ultrafiltration cartridge of claim 4, further comprising a third seal ring (43), the third seal ring (43) being located between the first end cap (31) and the first fixation sleeve (231).

8. Ultrafiltration cartridge according to claim 1, wherein the ultrafiltration membrane core (22) is a hollow fiber membrane wire arranged parallel to the axis of the hollow tube (21).

9. Ultrafiltration cartridge according to claim 1, wherein the third water receiving opening (13) is placed at the lowest level of the horizontal position of the housing when the housing is arranged in the horizontal direction.

10. A water purification device comprising an ultrafiltration cartridge according to any one of claims 1 to 9.