CN212632302U - Direct current way spiral wound membrane element - Google Patents
Direct current way spiral wound membrane element Download PDFInfo
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- CN212632302U CN212632302U CN202021302142.0U CN202021302142U CN212632302U CN 212632302 U CN212632302 U CN 212632302U CN 202021302142 U CN202021302142 U CN 202021302142U CN 212632302 U CN212632302 U CN 212632302U
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Abstract
The utility model discloses a direct flow channel spiral-wound membrane element, which comprises a central water production pipe, an end cover and a membrane component; a filtrate collecting hole is formed in the central water production pipe and used for discharging filtered liquid; the end covers comprise two groups of end cover single pieces, and the end cover single pieces are respectively arranged at two end parts of the central water production pipe; the membrane assembly is wound on the central water production pipe and comprises membrane bags and a flow deflector, the membrane bags comprise two membrane bag single pieces, and the flow deflector is arranged between the two membrane bag single pieces; on a plane vertical to the central axis of the central water production pipe, the cross section of the flow deflector is in the shape of at least two arcs and/or V-shaped connected in series, and the longitudinal line of the flow deflector is parallel to the central axis of the central water production pipe to form a filtrate flow passage of a straight flow passage. The utility model discloses a unique membrane module, especially the water conservancy diversion piece of unique structure for the filtrating runner is the sprue, can not produce any hindrance effect when the raw water flows through the runner, has avoided the pollutant to silt up in the membrane element, extension membrane element life.
Description
Technical Field
The utility model relates to a membrane separation field, concretely relates to direct current way book formula membrane element.
Background
In the field of membrane separation, a flow deflector in a membrane element mainly comprises warp-wise wires and weft-wise wires, a flow channel for raw water fluid is formed by the warp-wise wires and the weft-wise wires, and the warp-wise wires form a blocking effect on raw water when the raw water flows through the membrane element, so that pollutants are blocked in the membrane element, the filtering effect is reduced, and the service life of the membrane element is shortened.
Therefore, a membrane element with a flow channel free from obstruction, a good filtration effect and a long service life is urgently needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a direct current way book formula film element to there is the technical problem that hinders, the filter effect is bad and life is short in the runner of solving present film element, and concrete technical scheme is as follows:
a direct flow channel spiral-wound membrane element comprises a central water production pipe, an end cover and a membrane element;
the central water production pipe is provided with a filtrate collecting hole for discharging filtered liquid;
the end covers comprise two groups of end cover single pieces, the end cover single pieces are respectively arranged at two ends of the central water production pipe, and the central water production pipe penetrates through the end cover single pieces;
the membrane assembly is wound on the central water production pipe and comprises membrane bags and a flow deflector, the membrane bags comprise two membrane bag single pieces, and the flow deflector is arranged between the two membrane bag single pieces;
on a plane perpendicular to the central axis of the central water production pipe, the cross section of each flow deflector is in the shape of at least two arcs and/or V-shapes connected in series (namely, the flow deflectors are connected by a plurality of arcs, or connected by a plurality of V-shapes, or connected by a combination of the arcs and the V-shapes), and the longitudinal line of each flow deflector is parallel to the central axis of the central water production pipe to form a filtrate flow channel of a straight flow channel.
The following are preferred for this solution:
the arc is arc-shaped, and the arc angle is 90-180 degrees; the angle of the V-shape is 60-120 degrees.
Filtrate collecting holes are uniformly distributed on the central water producing pipe.
The membrane bag single piece comprises water production flow passage cloth and a rectangular membrane arranged on the water production flow passage cloth.
The size of the flow deflector is not larger than that of the rectangular membrane, so that raw water passing through the filtrate flow channel is filtered by the rectangular membrane.
The membrane element also comprises an outer cladding layer which plays a role in protecting a filtrate flow passage of the membrane element.
The membrane element is at least one of a roll type microfiltration membrane element, a roll type ultrafiltration membrane element, a roll type nanofiltration membrane element and a roll type reverse osmosis membrane element.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the straight flow channel roll type membrane element of the utility model comprises a central water production pipe, an end cover and a membrane component; the membrane component comprises a membrane bag and a flow deflector; the membrane bag and the flow deflector form a flow channel for raw water to circulate, and the raw water in the flow channel is filtered by the membrane bag and then discharged through the central water production pipe, so that the structure is simple and the cost is low.
(2) The V-arrangement of arc or two at least series connections of water conservancy diversion piece cross sectional shape for two at least series connections, the arc through establishing ties or the V-arrangement of establishing ties form the runner that supplies the raw water circulation, can not produce any hindrance effect when the raw water flows through the runner, has avoided the pollutant to silt up stifled in the membrane element, extension membrane element life, and the membrane element is intake simultaneously and can be reduced to minimumly with dense water pressure drop, has reduced loss of pressure. The utility model discloses can be through replacing hollow fiber membrane module, dull and stereotyped membrane module, DTRO membrane module, can be applied to in the complicated waste water treatment such as high viscosity, high turbidity, high salt concentration.
(3) The arc of the utility model is arc-shaped, and the arc angle is 90-180 degrees; the angle of the V shape is 60-120 degrees, which is convenient for the circulation of raw water, effectively reduces the clogging of pollutants and prolongs the service life of the membrane element.
(4) The water pipe equipartition is produced at center has filtrating collection hole, and the discharge of the filtrating of being convenient for has improved filtration efficiency.
(5) The film bag single piece of the utility model comprises a rectangular film and water producing flow passage cloth; the membrane bag comprises water production flow passage cloth and a rectangular membrane arranged on the water production flow passage cloth; the water production flow passage cloth and the rectangular membrane are sequentially wound on the pipe wall of the central water production pipe; the specification of the flow deflector is not more than that of the rectangular membrane, so that raw water passing through the filtrate flow channel is filtered by the rectangular membrane; through the reasonable range upon range of membrane bag and water conservancy diversion piece, can improve the filter effect greatly.
(6) The utility model discloses still include the surrounding layer that plays the guard action to the filtrating runner of this film element, make the utility model discloses the structure is compacter.
(7) The utility model discloses in this membrane element be at least one in formula of book micro-filtration membrane component, formula of book ultrafiltration membrane component, the formula of book nanofiltration membrane component and the formula of book reverse osmosis membrane component, be suitable for different filtration demands.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In the drawings:
FIG. 1 is a side view of a straight flow coil membrane element in this embodiment; (removing end cap single piece)
FIG. 2 is a front view of FIG. 1; (a single piece with end caps is shown in cross-section view)
Fig. 3 is a schematic cross-sectional view of the guide vane of fig. 1; (section perpendicular to the central axis of the central water-producing pipe)
Fig. 4 is a schematic cross-sectional view of another flow deflector of fig. 1; (section perpendicular to the central axis of the central water-producing pipe)
Wherein, 1, a central water producing pipe; 2; a flow deflector; 3. a filtrate flow channel; 4. producing water flow channel cloth; 5. a rectangular diaphragm; 6. an outer wrap, 7, the film bag single piece; 8. the end caps are one piece.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example (b):
a straight-flow channel spiral membrane element is shown in figures 1-2, and comprises a central water production pipe 1, an end cover and a membrane module, and the structure is as follows:
the central water production pipe is provided with a filtrate collecting hole for discharging filtered liquid;
the end covers comprise two groups of end cover single pieces 8, the end cover single pieces 8 are respectively arranged at two end parts of the central water production pipe 1, and the central water production pipe penetrates through the end cover single pieces;
the membrane assembly is wound on the central water production pipe and comprises membrane bags and a flow deflector 2, the membrane bags comprise two membrane bag single pieces 7, and the flow deflector 2 is arranged between the two membrane bag single pieces 7;
on a plane vertical to the central axis of the central water production pipe, the cross section of the flow deflector is in the shape of at least two arcs or/and V-shaped connected in series, and the longitudinal line of the flow deflector 2 is parallel to the central axis of the central water production pipe 1 to form a filtrate flow channel 3 of a straight flow channel.
The following are preferred for this embodiment:
on a plane perpendicular to the central axis of the central water production pipe, the cross section of the flow deflector is in the shape of at least two arcs connected in series, the arcs are circular arcs, and the arc angle is 90-180 degrees (preferably 120 degrees), as shown in detail in fig. 3. In addition to this, the cross-sectional shape of the guide vanes in a plane perpendicular to the central axis of the central water production pipe is at least two V-shapes in series, the angle of the V-shapes being 60 ° -120 ° (preferably 90 °), see fig. 4 for details.
Filtrate collecting holes are uniformly distributed on the central water production pipe, the number of the filtrate collecting holes is preferably 10-20, and the filtrate collecting holes are uniformly distributed on the central water production pipe 1.
The membrane bag single piece comprises water production flow channel cloth 4 and a rectangular membrane 5 arranged on the water production flow channel cloth 4, a flow deflector 2 and the rectangular membrane 5 are arranged in a stacking mode to form a whole, the water production flow channel cloth is wound on the wall of the central water production pipe 1 for multiple circles, and the water production flow channel cloth in the membrane component is attached to the outer wall of the central water production pipe 1; the number of winding turns is selected according to actual requirements.
The size of the flow deflector is not larger than that of the rectangular membrane, and the flow deflector is attached to the rectangular membrane wound on the central water production pipe, so that raw water passing through the filtrate flow channel 3 is filtered by the rectangular membrane.
The membrane element further comprises an outer cladding layer 6 which plays a role in protecting the filtrate flow channel 3 of the membrane element, and the outer cladding layer is arranged on the outermost layer and can wrap the membrane element.
The utility model discloses a membrane element is at least one in formula of book micro-filtration membrane element, formula of book ultrafiltration membrane element, the formula of book nanofiltration membrane element and the formula of book reverse osmosis membrane element, selects according to actual filtration demand.
The working principle of the embodiment is as follows:
raw water (filtrate to be filtered) enters the membrane element from the filtrate flow channel 3, and the raw water is filtered by the membrane bag in the membrane element, enters the central water production pipe 1 through the filtrate collecting hole and is discharged from the central water production pipe 1.
The above, only be the embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be included in the protection scope of the present invention.
Claims (7)
1. A straight flow channel spiral-wound membrane element is characterized by comprising a central water production pipe (1), an end cover and a membrane assembly;
the central water production pipe is provided with a filtrate collecting hole for discharging filtered liquid;
the end covers comprise two groups of end cover single pieces (8), the end cover single pieces are respectively arranged at two ends of the central water production pipe (1), and the central water production pipe penetrates through the end cover single pieces;
the membrane component is wound on the central water production pipe and comprises a membrane bag and a flow deflector (2), the membrane bag comprises two membrane bag single pieces, and the flow deflector (2) is arranged between the two membrane bag single pieces;
on a plane vertical to the central axis of the central water production pipe, the cross section of the flow deflector is in the shape of at least two arcs and/or V-shaped connected in series, and the longitudinal line of the flow deflector (2) is parallel to the central axis of the central water production pipe (1) to form a filtrate flow passage (3) of a straight flow passage.
2. The direct flow channel spiral membrane element of claim 1, wherein the arc is a circular arc with an arc angle of 90 ° -180 °; the angle of the V-shape is 60-120 degrees.
3. The once-through channel spiral membrane element of claim 1, wherein filtrate collecting holes are uniformly distributed on the central water production pipe.
4. The once-through channel spiral membrane element of claim 1, wherein the membrane bag unit comprises a water production channel cloth (4) and a rectangular membrane sheet (5) arranged on the water production channel cloth (4).
5. The once-through channel spiral membrane element of claim 4, wherein the specification of the flow deflector is not larger than that of a rectangular membrane sheet, so that raw water passing through the filtrate channel (3) is filtered by the rectangular membrane sheet.
6. A direct flow channel spiral membrane element according to any of claims 1-5, further comprising an outer coating (6) protecting the filtrate flow channel (3) of the membrane element.
7. The direct flow channel spiral membrane element of claim 6, wherein the membrane element is at least one of a spiral microfiltration membrane element, a spiral ultrafiltration membrane element, a spiral nanofiltration membrane element and a spiral reverse osmosis membrane element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021302142.0U CN212632302U (en) | 2020-07-06 | 2020-07-06 | Direct current way spiral wound membrane element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021302142.0U CN212632302U (en) | 2020-07-06 | 2020-07-06 | Direct current way spiral wound membrane element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212632302U true CN212632302U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021302142.0U Active CN212632302U (en) | 2020-07-06 | 2020-07-06 | Direct current way spiral wound membrane element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212632302U (en) |
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2020
- 2020-07-06 CN CN202021302142.0U patent/CN212632302U/en active Active
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Address after: 412007 4th Torch Road, Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Hunan Aowei Technology Co.,Ltd. Address before: 412007 4th Torch Road, Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: HUNAN OVAY TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |