CN219136404U - Membrane electrode assembly based on hollow fiber ultrafiltration membrane - Google Patents

Abstract

The utility model discloses a membrane electrode assembly based on a hollow fiber ultrafiltration membrane, which relates to the technical field of ultrafiltration membranes and comprises a tube body, wherein a lantern ring is sleeved on the outer side of the tube body, two ends of the tube body are fixedly connected with end covers, one end of each end cover is fixedly connected with a liquid inlet pipe, the other end of each end cover is fixedly connected with a liquid outlet pipe and a water outlet pipe, a flow guide pipe is arranged in the tube body, two ends of each flow guide pipe are provided with water inlet covers, the front ends of the water inlet covers are movably connected with sleeves, the outer side of each backflow prevention mechanism is sleeved with a membrane wire, the backflow prevention mechanism is arranged, after sewage enters a central guide pipe through the water inlet covers, the sewage is distributed more uniformly through the flow guide grooves, the backflow of concentrated water can be prevented, and then the sewage enters the tube body through the water flow holes, so that the impact force on the membrane wire is reduced, and the use effect and the service life of the membrane wire are ensured.

Description

Membrane electrode assembly based on hollow fiber ultrafiltration membrane

Technical Field

The utility model relates to the technical field of ultrafiltration membranes, in particular to a membrane electrode assembly based on a hollow fiber ultrafiltration membrane.

Background

The ultrafiltration technology is to separate substances selectively through a microporous structure on the surface of the membrane, so as to realize the purposes of separating, concentrating and purifying large and small molecules. In the ultrafiltration process, when the stock solution flows through the surface of the membrane under the pushing of pressure, a plurality of tiny micropores densely distributed on the surface of the ultrafiltration membrane only allow water and small molecular substances to pass through to become permeate, and substances with the volume larger than the micro pore diameter on the surface of the membrane in the stock solution are trapped on the liquid inlet side of the membrane to become concentrated solution, so that the purposes of purifying, separating and concentrating the stock solution are realized.

In the ultrafiltration membrane filtration process, waste water needs to circulate at a slower speed, and needs to carry out preliminary filtration to mud in the waste water, otherwise can block up the membrane silk, reduce filterable effect, and when stopping to intaking in addition, the phenomenon that the water in the membrane silk flows backward can generally appear, can cause in the reverse flow of dense water gets into the membrane silk like this, reduces membrane silk life, and for this reason, we provide a membrane electrode assembly based on hollow fiber ultrafiltration membrane and solves above problem.

Disclosure of Invention

Technical problem to be solved

The utility model aims to make up the defects of the prior art and provides a membrane electrode assembly based on a hollow fiber ultrafiltration membrane.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a membrane electrode assembly based on hollow fiber milipore filter, includes the body, the outside cover of body is equipped with the lantern ring, the both ends fixedly connected with end cover of body, the one end fixedly connected with feed liquor pipe of end cover, and the other end fixedly connected with drain pipe and the outlet pipe of end cover, the inside of body is provided with the honeycomb duct, the both ends of honeycomb duct are provided with into water cap, the front end swing joint who intakes the cap has the sleeve, one side telescopic inboard fixedly connected with filter mechanism, the outside of honeycomb duct is fixed with anti-reflux mechanism, anti-reflux mechanism's outside cover is equipped with the membrane silk.

Above-mentioned, filtering mechanism includes filter disc, filtration pore and gasket, several filtration pore has been seted up to the inside of filter disc, the filter disc is located the inboard of gasket.

Above-mentioned, the through-hole has been seted up to telescopic front end, the outside fixed connection of gasket is in telescopic inboard, the outside of filter piece is laminated with telescopic inner wall mutually.

Above-mentioned, the lid and the sleeve of intaking pass through screw thread swing joint, the rear end fixed connection of lid of intaking is in the outside of membrane silk.

Above-mentioned, anti-return mechanism includes snap ring, fills up section of thick bamboo and central pipe, the front end fixed connection of snap ring is in the outside of filling up the section of thick bamboo, the snap ring is located the inboard of central pipe, and one side of snap ring is laminated mutually with central pipe.

Above-mentioned, the front end of snap ring is provided with the guiding gutter, and the guiding gutter is the toper.

The above, the outside of center pipe has seted up the water launder, the both ends fixed connection of center pipe is in the inboard of membrane silk, the rear end fixedly connected with bracing piece of center pipe, bracing piece and the rear end fixed connection of honeycomb duct.

The beneficial effects are that:

compared with the prior art, the membrane electrode assembly based on the hollow fiber ultrafiltration membrane has the following beneficial effects:

1. according to the utility model, through the arranged filter mechanism and the arranged filter disc, waste water firstly enters through the liquid inlet pipe and then flows into the sleeve, the waste water flows inwards after passing through the gasket, the waste water is prevented from flowing too fast, and then is primarily filtered through the filter disc, so that the membrane wires are prevented from being blocked by sludge, and the filtering effect is reduced.

2. According to the utility model, through the backflow prevention mechanism, after sewage enters the central guide pipe through the water inlet cover, through the diversion trench, the water flow distribution is more uniform after the sewage passes through the diversion trench, the backflow of concentrated water can be prevented, and then the sewage enters the pipe through the water flow hole, so that the impact force on the membrane wire is reduced, and the use effect and the service life of the membrane wire are ensured.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic view of a partial perspective structure of the present utility model;

FIG. 2 is a schematic view of a partial cutaway perspective structure of the present utility model;

FIG. 3 is a schematic view of a partial cutaway perspective structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 5 is an enlarged view of the structure of fig. 3B according to the present utility model.

In the figure: 1. a tube body; 2. a collar; 3. an end cap; 4. a liquid inlet pipe; 5. a liquid outlet pipe; 6. a water outlet pipe; 7. a flow guiding pipe; 8. a water inlet cover; 9. a sleeve; 10. a filtering mechanism; 1001. a filter sheet; 1002. filtering holes; 1003. a gasket; 11. a backflow prevention mechanism; 1101. a clasp; 1102. a cushion cylinder; 1103. a central conduit; 12. membrane filaments; 13. a diversion trench; 14. a water flow channel; 15. and (5) supporting the rod.

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.

As shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a membrane electrode assembly based on hollow fiber milipore filter, including body 1, body 1's outside cover is equipped with lantern ring 2, body 1's both ends fixedly connected with end cover 3, end cover 3's one end fixedly connected with feed liquor pipe 4, and end cover 3's the other end fixedly connected with drain pipe 5 and outlet pipe 6, body 1's inside is provided with honeycomb duct 7, honeycomb duct 7's both ends are provided with into water lid 8, into water lid 8's front end swing joint has sleeve 9, one side sleeve 9's inboard fixedly connected with filtering mechanism 10, backflow prevention mechanism 11 is fixed with in honeycomb duct 7's the outside, backflow prevention mechanism 11's outside cover is equipped with membrane wire 12.

During the use, through the filter 1001 that sets up, waste water gets into through feed liquor pipe 4 at first, then flow into in the sleeve 9, waste water inwards flows after the gasket 1003, prevent that the waste water velocity of flow is too fast, then carry out preliminary filtration to waste water through filter disc 1001, prevent mud blocking membrane silk 12, reduce filterable effect, then in sewage gets into central pipe 1103 through inlet cap 8, through guiding gutter 13 that sets up, make rivers distribution more even after sewage passes through guiding gutter 13, can also prevent that dense water from producing the backward flow, then waste water passes through the flow hole and gets into in the body 1, be favorable to reducing the impact force to membrane silk 12, the result of use and the life of membrane silk 12 have been guaranteed.

As shown in fig. 3-4, the filtering mechanism 10 includes a filter disc 1001, a filter hole 1002 and a gasket 1003, wherein a plurality of filter holes 1002 are formed in the filter disc 1001, the filter disc 1001 is located at the inner side of the gasket 1003, a through hole is formed in the front end of the sleeve 9, the outer side of the gasket 1003 is fixedly connected to the inner side of the sleeve 9, the outer side of the filter disc 1001 is attached to the inner wall of the sleeve 9, the water inlet cover 8 is movably connected with the sleeve 9 through threads, and the rear end of the water inlet cover 8 is fixedly connected to the outer side of the membrane wire 12.

Through the filter 1001 that sets up, waste water gets into through feed liquor pipe 4 at first, and then in inflow sleeve 9, waste water inwards flows behind the gasket 1003, prevents that the waste water velocity of flow from being too fast, carries out preliminary filtration to waste water through filter disc 1001 later, prevents mud blocking up membrane silk 12, reduces filterable effect.

As shown in fig. 1, fig. 2 and fig. 5, the backflow prevention mechanism 11 comprises a clamping ring 1101, a cushion cylinder 1102 and a central guide pipe 1103, wherein the front end of the clamping ring 1101 is fixedly connected to the outer side of the cushion cylinder 1102, the clamping ring 1101 is positioned on the inner side of the central guide pipe 1103, one side of the clamping ring 1101 is attached to the central guide pipe 1103, the front end of the clamping ring 1101 is provided with a guide groove 13, the guide groove 13 is conical, the outer side of the central guide pipe 1103 is provided with a water flowing groove 14, the two ends of the central guide pipe 1103 are fixedly connected to the inner side of a membrane wire 12, the rear end of the central guide pipe 1103 is fixedly connected with a supporting rod 15, and the supporting rod 15 is fixedly connected with the rear end of the guide pipe 7.

After sewage enters the central guide pipe 1103 through the water inlet cover 8, through the diversion trench 13, the sewage is more uniformly distributed after passing through the diversion trench 13, and the concentrated water can be prevented from flowing back, and then the sewage enters the pipe body 1 through the water flow hole, so that the impact force on the membrane wires 12 is reduced, and the use effect and the service life of the membrane wires 12 are ensured.

Working principle: during the use, through the filter 1001 that sets up, waste water gets into through feed liquor pipe 4 at first, then flow into in the sleeve 9, waste water inwards flows after the gasket 1003, prevent that the waste water velocity of flow is too fast, then carry out preliminary filtration to waste water through filter disc 1001, prevent mud from blocking membrane silk 12, then in the sewage gets into central pipe 1103 through inlet cap 8, through guiding gutter 13 that sets up, make rivers distribution more even after the sewage passes through guiding gutter 13, can also prevent that dense water from producing the backward flow, then waste water gets into in the body 1 through the flow hole.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "fixedly attached," "mounted," "connected," and "coupled" are to be construed broadly, e.g., as a fixed connection, as a removable connection, or as an integral connection; "coupled" may be either mechanical or electrical; the "connection" may be direct, indirect via an intermediary, or communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a membrane electrode subassembly based on hollow fiber milipore filter, includes body (1), its characterized in that: the outside cover of body (1) is equipped with lantern ring (2), the both ends fixedly connected with end cover (3) of body (1), the one end fixedly connected with feed liquor pipe (4) of end cover (3), and the other end fixedly connected with drain pipe (5) and outlet pipe (6) of end cover (3), the inside of body (1) is provided with honeycomb duct (7), the both ends of honeycomb duct (7) are provided with into water lid (8), the front end swing joint of water lid (8) has sleeve (9), one side the inboard fixedly connected with filter equipment (10) of sleeve (9), the outside of honeycomb duct (7) is fixed with anti-reflux mechanism (11), the outside cover of anti-reflux mechanism (11) is equipped with membrane silk (12).

2. A hollow fiber ultrafiltration membrane based membrane electrode assembly according to claim 1, wherein: the filter mechanism (10) comprises a filter sheet (1001), filter holes (1002) and a gasket (1003), wherein a plurality of filter holes (1002) are formed in the filter sheet (1001), and the filter sheet (1001) is located on the inner side of the gasket (1003).

3. A hollow fiber ultrafiltration membrane based membrane electrode assembly according to claim 2, wherein: the front end of the sleeve (9) is provided with a through hole, the outer side of the gasket (1003) is fixedly connected to the inner side of the sleeve (9), and the outer side of the filter sheet (1001) is attached to the inner wall of the sleeve (9).

4. A hollow fiber ultrafiltration membrane based membrane electrode assembly according to claim 1, wherein: the water inlet cover (8) is movably connected with the sleeve (9) through threads, and the rear end of the water inlet cover (8) is fixedly connected with the outer side of the membrane wire (12).

5. A hollow fiber ultrafiltration membrane based membrane electrode assembly according to claim 1, wherein: the backflow prevention mechanism (11) comprises a clamping ring (1101), a cushion cylinder (1102) and a central guide pipe (1103), the front end of the clamping ring (1101) is fixedly connected to the outer side of the cushion cylinder (1102), the clamping ring (1101) is located the inner side of the central guide pipe (1103), and one side of the clamping ring (1101) is attached to the central guide pipe (1103).

6. The hollow fiber ultrafiltration membrane-based membrane electrode assembly of claim 5, wherein: the front end of the clamping ring (1101) is provided with a diversion trench (13), and the diversion trench (13) is conical.

7. The hollow fiber ultrafiltration membrane-based membrane electrode assembly of claim 5, wherein: the outside of center pipe (1103) has seted up basin (14), the inboard of both ends fixed connection in membrane silk (12) of center pipe (1103), the rear end fixedly connected with bracing piece (15) of center pipe (1103), bracing piece (15) and the rear end fixed connection of honeycomb duct (7).

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