CN220564379U - Column type ultrafiltration membrane component for high turbidity wastewater treatment - Google Patents
Column type ultrafiltration membrane component for high turbidity wastewater treatment Download PDFInfo
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- CN220564379U CN220564379U CN202322014602.XU CN202322014602U CN220564379U CN 220564379 U CN220564379 U CN 220564379U CN 202322014602 U CN202322014602 U CN 202322014602U CN 220564379 U CN220564379 U CN 220564379U
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- sealing head
- tows
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- 239000012528 membrane Substances 0.000 title claims abstract description 104
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 21
- 238000004065 wastewater treatment Methods 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000005273 aeration Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000002351 wastewater Substances 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 33
- 238000005276 aerator Methods 0.000 claims description 4
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 239000003814 drug Substances 0.000 abstract description 5
- 238000005189 flocculation Methods 0.000 abstract description 4
- 230000016615 flocculation Effects 0.000 abstract description 4
- 238000001556 precipitation Methods 0.000 abstract description 4
- 230000004907 flux Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a column type ultrafiltration membrane component for treating high-turbidity wastewater, which is characterized in that an upper end socket body and a lower end socket body are respectively arranged at two ends of an intermediate membrane tube through clamping rings, an upper end socket cover is arranged at the outer end of the upper end socket body, a lower end socket cover is arranged at the outer end of the lower end socket body, membrane tows and a central aeration tube are positioned in the intermediate membrane tube, the membrane tows and the central aeration tube are connected with the upper end socket body, the water outlet end of the membrane tows is communicated with the inner cavity of the upper end socket cover, and one end of the central aeration tube is communicated with an air inlet tube on the upper end socket cover; the upper end socket cover is provided with a water producing port; the upper seal head body is provided with a cross-flow liquid return port; the middle membrane tube is provided with a cross-flow liquid inlet; the lower seal head body is provided with a mud discharging opening extending out of the lower seal head cover. The component has the advantages of improved high turbidity resistance, capability of directly treating high turbidity wastewater, stable operation flux, high water quality of produced water, no need of flocculation, precipitation and other process links, and capability of reducing the occupation area of projects and the cost of operating medicaments.
Description
Technical Field
The utility model relates to the technical field of column type ultrafiltration membranes, in particular to a column type ultrafiltration membrane component for treating high-turbidity wastewater.
Background
The membrane separation technology is highly valued and promoted in a large scale as an environment-friendly and novel separation technology. Especially in reclaimed water recycling, the industry currently commonly adopts a double-membrane process, namely a column type ultrafiltration membrane and roll reverse osmosis process combination. However, when the general ultrafiltration membrane is applied to the field of membrane water treatment, strict requirements are imposed on the water quality of the inlet membrane. Not only the indexes such as COD, BOD, oil content and the like of the water body are controlled in a biochemical or physicochemical mode, but also the turbidity of the water body is reduced to below 50NTU to enter the ultrafiltration membrane component for treatment.
The turbidity control generally adopts the procedures of flocculation, precipitation, multi-medium filtration, security filtration and the like, the procedures have large occupied area, long process flow, more time consumption, large dosage of a large amount of medicaments, and higher investment cost and operation cost. Meanwhile, when the dosage of the medicament is not properly controlled, irreversible pollution of the ultrafiltration membrane can be caused.
Disclosure of Invention
The utility model aims to provide a column type ultrafiltration membrane component for treating high-turbidity wastewater, which solves the problem that the membrane method water treatment cannot be suitable for treating high-turbidity wastewater, so that the wastewater treatment cost is excessive.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the column type ultrafiltration membrane component for treating high-turbidity wastewater comprises an upper end cover, an upper end cover body, a middle membrane tube, a lower end cover, membrane tows, a central aeration tube and a lower end cover body, wherein the upper end cover body and the lower end cover body are respectively installed at two ends of the middle membrane tube through clamping rings, the upper end cover is installed at the outer end of the upper end cover body, the lower end cover is installed at the outer end of the lower end cover body, at least one membrane tows and at least one central aeration tube are positioned in the middle membrane tube, the membrane tows and the central aeration tube are connected with the upper end cover body, the water outlet end of the membrane tows is communicated with the inner cavity of the upper end cover, and one end of the central aeration tube is communicated with an air inlet tube on the upper end cover; wherein,
the upper end socket cover is provided with a water producing port;
the upper seal head body is provided with a cross-flow liquid return port;
the middle membrane tube is provided with a cross-flow liquid inlet;
the lower seal head body is provided with a mud discharging opening extending out of the lower seal head cover.
The further technical scheme is as follows: the water outlet end of the membrane tows is arranged on the upper seal head body through a quick connector, and the bottom ends of the membrane tows are sealed through conical parts.
The further technical scheme is as follows: the water outlet end of the membrane tow is arranged in the quick connector through an air pipe, and epoxy glue is filled between the membrane tow and the air pipe.
The further technical scheme is as follows: one end of the membrane filament bundle passes through the quick connector and is communicated with the inner cavity of the upper sealing cover.
The further technical scheme is as follows: the cross flow liquid inlet is higher than the bottom end of the membrane filament bundle.
The further technical scheme is as follows: a plurality of ventilation holes are uniformly formed in the central aeration pipe along the axis direction of the central aeration pipe.
The further technical scheme is as follows: the plurality of membrane tows are distributed in a ring shape or a rectangular shape, and the central aerator pipe is positioned at the centers of the plurality of membrane tows.
The further technical scheme is as follows: the air inlet pipe is sealed with the central aeration pipe through an O-shaped ring.
Compared with the prior art, the utility model has at least one of the following beneficial effects:
the utility model provides a column type ultrafiltration membrane component for treating high-turbidity wastewater, which can realize that the high-turbidity wastewater can directly enter the membrane component for filtration treatment under the condition of not carrying out procedures such as flocculation, precipitation and the like, has high component operation flux and stable quality of produced water, greatly shortens the sewage treatment flow, reduces the investment of equipment and medicaments, saves the land and greatly reduces the treatment cost of wastewater treatment.
Drawings
FIG. 1 is a schematic diagram of a column type ultrafiltration membrane component for treating high turbidity wastewater.
FIG. 2 is a schematic structural view of a membrane tow according to the present utility model.
Reference numerals: 1. an upper sealing cover; 2. an upper end enclosure body; 3. an intermediate membrane tube; 4. a lower sealing head cover; 5. an air inlet pipe; 6. a water producing port; 7. a staggered flow back liquid port; 8. a film tow; 9. a central aeration tube; 10. a cross-flow liquid inlet; 11. a lower end socket body; 12. a clasp; 13. a quick connector; 14. and an air pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be 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.
Embodiment one:
the embodiment is shown in fig. 1 and 2, a column type ultrafiltration membrane component for treating high turbidity wastewater, which comprises an upper sealing head cover 1, an upper sealing head body 2, a middle membrane tube 3, a lower sealing head cover 4, membrane tows 8, a central aeration tube 9 and a lower sealing head body 11, wherein the upper sealing head body 2 and the lower sealing head body 11 are respectively arranged at two ends of the middle membrane tube 3 through clamping rings 12, the upper sealing head cover 1 is arranged at the outer end of the upper sealing head body 2, the lower sealing head cover 4 is arranged at the outer end of the lower sealing head body 11, at least one membrane tows 8 and at least one central aeration tube 9 are positioned in the middle membrane tube 3, the membrane tows 8 and the central aeration tube 9 are connected with the upper sealing head body 2, the water outlet end of the membrane tows 8 are communicated with the inner cavity of the upper sealing head cover 1, one end of the central aeration tube 9 is communicated with an air inlet tube 5 on the upper sealing head cover 1, and the air inlet tube 5 and the central aeration tube 9 are sealed through O-shaped rings; the upper sealing cover 1 is provided with a water producing port 6; the upper seal head body 2 is provided with a cross-flow liquid return port 7; the middle membrane tube 3 is provided with a cross flow liquid inlet 10; the lower sealing head body 11 is provided with a mud discharging opening which extends out of the lower sealing head cover 4.
The working process of the utility model is as follows: when the sewage treatment device is put into operation, high-turbidity wastewater is sucked into the cross-flow liquid inlet 10 from the original sewage tank through an external water pump, fills the inner cavity of the intermediate membrane tube 3, and returns to the original sewage tank through the cross-flow liquid inlet 7; compressed air with certain pressure is introduced into the air inlet pipe 5, and aeration scrubbing is carried out through a round hole on the central aeration pipe 9; the water producing port 6 is connected with a vacuum liquid producing pump to pump the produced water filtered by the membrane tows 8. In the operation process, the butted valves of the air inlet pipe 5, the water producing port 6, the cross flow liquid inlet 10, the cross flow liquid return port 7 and the like are in an open state, the cross flow design of liquid inlet and liquid return of the membrane assembly ensures that the waste liquid has a larger linear flow velocity on the surface of the membrane wire to form a scouring effect, pollution is not easy to adhere to the surface of the membrane wire, and the butted valves of the sludge discharge port are in a closed state. After running for a certain time (the period is generally 30-50 min), the assembly enters a backwashing state, and at the moment, the butted valves of the air inlet pipe 5, the cross flow liquid inlet 10, the cross flow liquid return 7 and the like are changed into a closed state; the mud outlet butt joint valve is opened, and the concentrated solution and the precipitated mud in the middle membrane tube 3 are discharged through the mud outlet; and then the water producing port 6 is connected with a back flushing pump by changing the butt joint valve, the back flushing pump presses the water producing pressure into the inner cavity of the membrane wire to back flush, and the backwashed pollutants are discharged along the mud discharging port 11. The above operation cycle and the backwash cycle are alternately performed back and forth.
The high turbidity resistance of the component is improved, so that the component can directly treat high turbidity wastewater, has stable operation flux and high water quality of produced water, does not need to undergo the process links of flocculation, precipitation and the like, and reduces the occupation area of projects and the cost of operating medicaments.
Preferably, the water outlet end of the membrane tow 8 is mounted in the quick connector 13 through an air pipe 14, and epoxy glue is filled between the membrane tow 8 and the air pipe 14. The membrane tows 8 are mounted on the upper seal head body 2 through quick connectors 13. The bottom ends of the membrane tows 8 are sealed by means of a cone. One end of the membrane filament bundle 8 passes through the quick connector 13 and is communicated with the inner cavity of the upper end socket cover 1.
The water outlet end of the membrane filament bundle 8 is sealed by soft rubber firstly, then the head is cut off to expose the inner hole of the filament, then the membrane filament bundle is sealed in the air pipe 14 by epoxy rubber, and finally the air pipe 14 is sealed in the quick connector 13. The lower end of the membrane tow 8 is dead-end packaged by a conical casting die. The membrane tows 8 and the central aeration pipe 9 pass through the middle membrane pipe 3, and then the seal head body 2 and the middle membrane pipe 3 are locked and sealed by screw threads.
Firstly, the sewage is guaranteed to enter water through the peripheral wall of the membrane tow 8, filtered water is discharged into the inner cavity of the upper end socket cover 1, and the filtered water is discharged through the water producing port 6.
Second, the membrane tow 8 can be inserted and pulled out, and when the membrane tow is polluted by the water quality fluctuation, the membrane tow 8 can be taken out for offline cleaning. The membrane tows are damaged individually, and only a single membrane tow can be replaced, so that the maintenance cost is reduced.
Thirdly, the bottom end of the membrane tow 8 is a free end, and can swing under the action of the central aerator pipe 9 or water flow, so that the membrane tow 8 is prevented from caking, and the water filtering capacity is improved.
Preferably, the cross-flow inlet 10 is higher than the bottom end of the membrane tow 8.
Can impact the membrane tows 8, reduce the adhesion of sludge on the membrane tows 8 and improve the filtering capability of the membrane tows 8.
Preferably, the central aeration pipe 9 is provided with a plurality of ventilation holes uniformly along the axial direction thereof.
4 round holes are drilled at the same height of the central aeration, the angle between every two adjacent holes is 90 degrees, 4 round holes are drilled at every 50mm of the height, and the central aeration pipe 9 generates bubbles to scrub the membrane tows 8, so that the pollution speed of sludge to the membrane tows 8 is greatly slowed down.
Preferably, the plurality of membrane tows 8 are distributed in a ring shape or a rectangular shape, and the central aerator pipe 9 is located at the center of the plurality of membrane tows 8. The membrane tows 8 are arranged in a ring shape or a matrix shape, so that the hardening of mud among membrane tows caused by the condition of too high mud concentration can be avoided.
The lower seal head cover 4 is a cone, viscous pollutants are easy to discharge when the concentration is discharged, dead angles do not exist, and the accumulation of the pollutants is caused.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. A column type milipore filter subassembly for high turbid wastewater treatment, its characterized in that: the novel plastic sealing device comprises an upper sealing head cover (1), an upper sealing head body (2), an intermediate film tube (3), a lower sealing head cover (4), film tows (8), a central aeration tube (9) and a lower sealing head body (11), wherein the upper sealing head body (2) and the lower sealing head body (11) are respectively installed at two ends of the intermediate film tube (3) through clamping rings (12), the upper sealing head cover (1) is installed at the outer end of the upper sealing head body (2), the lower sealing head cover (4) is installed at the outer end of the lower sealing head body (11), at least one film tow (8) and at least one central aeration tube (9) are located in the intermediate film tube (3), the film tows (8) and the central aeration tube (9) are connected with the upper sealing head body (2), the water outlet end of the film tows (8) is communicated with the inner cavity of the upper sealing head cover (1), and one end of the central aeration tube (9) is communicated with an air inlet tube (5) on the upper sealing head (1). Wherein,
a water producing port (6) is arranged on the upper seal head cover (1);
a staggered liquid return port (7) is arranged on the upper seal head body (2);
the middle membrane tube (3) is provided with a cross flow liquid inlet (10);
the lower seal head body (11) is provided with a mud discharging opening extending out of the lower seal head cover (4).
2. The column type ultrafiltration membrane component for treating high turbidity wastewater according to claim 1, wherein: the water outlet end of the membrane silk bundle (8) is mounted on the upper seal head body (2) through a quick connector (13), and the bottom end of the membrane silk bundle (8) is sealed through a conical piece.
3. The column type ultrafiltration membrane component for treating high turbidity wastewater according to claim 2, wherein: the water outlet end of the membrane silk bundle (8) is arranged in the quick connector (13) through an air pipe (14), and epoxy glue is filled between the membrane silk bundle (8) and the air pipe (14).
4. The column type ultrafiltration membrane component for treating high turbidity wastewater according to claim 2, wherein: one end of the membrane filament bundle (8) passes through the quick connector (13) and is communicated with the inner cavity of the upper seal head cover (1).
5. The column type ultrafiltration membrane component for treating high turbidity wastewater according to claim 2, wherein: the cross flow liquid inlet (10) is higher than the bottom end of the membrane tows (8).
6. The column type ultrafiltration membrane component for treating high turbidity wastewater according to claim 1, wherein: a plurality of ventilation holes are uniformly formed in the central aeration pipe (9) along the axial direction of the central aeration pipe.
7. The column type ultrafiltration membrane component for treating high turbidity wastewater according to claim 1, wherein: the plurality of membrane tows (8) are distributed in a ring shape or a rectangular shape, and the central aerator pipe (9) is positioned at the center of the plurality of membrane tows (8).
8. The column type ultrafiltration membrane component for treating high turbidity wastewater according to claim 1, wherein: the air inlet pipe (5) and the central aeration pipe (9) are sealed by an O-shaped ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014602.XU CN220564379U (en) | 2023-07-28 | 2023-07-28 | Column type ultrafiltration membrane component for high turbidity wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014602.XU CN220564379U (en) | 2023-07-28 | 2023-07-28 | Column type ultrafiltration membrane component for high turbidity wastewater treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220564379U true CN220564379U (en) | 2024-03-08 |
Family
ID=90089611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322014602.XU Active CN220564379U (en) | 2023-07-28 | 2023-07-28 | Column type ultrafiltration membrane component for high turbidity wastewater treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220564379U (en) |
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2023
- 2023-07-28 CN CN202322014602.XU patent/CN220564379U/en active Active
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