CN209809943U - Internal pressure membrane assembly - Google Patents
Internal pressure membrane assembly Download PDFInfo
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- CN209809943U CN209809943U CN201822126860.6U CN201822126860U CN209809943U CN 209809943 U CN209809943 U CN 209809943U CN 201822126860 U CN201822126860 U CN 201822126860U CN 209809943 U CN209809943 U CN 209809943U
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Abstract
The utility model relates to an internal pressure membrane component, which comprises a column type shell, wherein the lower end of the column type shell is provided with a raw water storage cavity; the center of the column type shell is provided with a central water inlet pipe, the outside of the central water inlet pipe is sleeved with a central water distribution pipe, and a plurality of hollow fiber membrane yarns are also arranged between the central water distribution pipe and the inner wall of the column type shell; the upper end of the central water inlet pipe is a raw water inlet, and the lower end of the central water inlet pipe is communicated with the raw water storage cavity; both ends of the hollow fiber membrane yarn are open, and the lower end of the hollow fiber membrane yarn is communicated with the raw water storage cavity; the lower end of the central water distribution pipe is sealed, the upper end of the central water distribution pipe is open, and the upper end of the central water distribution pipe is a water outlet for producing water; and a plurality of water distribution holes are arranged on the pipe wall of the central water distribution pipe; raw water enters the raw water storage cavity at the lower part from the upper part of the central water inlet pipe and then upwards enters the hollow fiber membrane yarn, the impact force of the raw water is very small, the hollow fiber membrane yarn cannot be broken or damaged, and the service life of the hollow fiber membrane yarn can be greatly prolonged.
Description
Technical Field
The utility model relates to a membrane module, in particular to interior pressure membrane module.
Background
The membrane separation technology is a novel high-efficiency and precise separation technology, and belongs to the cross combination field of material science and medium separation science. The membrane separation technology has the functions of separation, concentration, purification and refining, has the characteristics of high efficiency, energy conservation, environmental protection, molecular level filtration and the like, and has the characteristics of simple filtration process and easy control, so the membrane separation technology is widely applied in various fields at present.
In the existing membrane component, raw water generally directly enters membrane filaments, and the membrane filaments are easy to break and damage after being impacted by water flow; in addition, impurities in the raw water are not easy to be discharged from the membrane module.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of above-mentioned prior art existence, provide an interior pressure membrane module, can reduce the impact of raw water to the membrane silk, improve the life of membrane silk.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an internal pressure membrane component comprises a column type shell, wherein a raw water storage cavity is arranged at the lower end of the column type shell;
a central water inlet pipe is arranged in the center of the column type shell, a central water distribution pipe is sleeved outside the central water inlet pipe, and a plurality of hollow fiber membrane yarns are further arranged between the central water distribution pipe and the inner wall of the column type shell;
the upper end of the central water inlet pipe is a raw water inlet, and the lower end of the central water inlet pipe is communicated with the raw water storage cavity;
both ends of the hollow fiber membrane yarn are open, and the lower end of the hollow fiber membrane yarn is communicated with the raw water storage cavity;
the lower end of the central water distribution pipe is sealed, the upper end of the central water distribution pipe is open, and the upper end of the central water distribution pipe is a water outlet for producing water; and a plurality of water distribution holes are arranged on the pipe wall of the central water distribution pipe.
The utility model has the advantages that: raw water flows into the raw water storage cavity at the lower end from the upper end of the central water inlet pipe, the raw water entering the raw water storage cavity upwards enters the hollow fiber membrane silk holes, the impact force of the raw water is very small at the moment, the hollow fiber membrane silk cannot be broken or damaged, and the service life of the hollow fiber membrane silk can be greatly prolonged.
Further, the column type shell comprises an upper end head, a lower end head and a shell barrel arranged between the upper end head and the lower end head, a raw water storage cavity is formed at the lower end head, a lower epoxy sealing ring is arranged between the lower end head and the lower end of the shell barrel, and an upper epoxy sealing ring is arranged between the upper end head and the upper end of the shell barrel;
the upper end of the central water inlet pipe penetrates through the upper epoxy sealing ring, and the lower end of the central water inlet pipe penetrates through the lower epoxy sealing ring and then is communicated with the raw water storage cavity;
the upper end of the hollow fiber membrane wire penetrates through the upper epoxy sealing ring to be communicated with the upper end head, and the lower end of the hollow fiber membrane wire penetrates through the lower epoxy sealing ring to be communicated with the raw water storage cavity;
the lower end of the central water distribution pipe is connected with the lower epoxy sealing ring, and the upper end of the central water distribution pipe penetrates through the upper epoxy sealing ring.
Furthermore, the upper ends of the central water distribution pipe and the central water inlet pipe penetrate through the upper end head.
Further, a drain outlet is further formed in the lower end head, and a drain valve is connected to the drain outlet.
The beneficial effect of adopting the further technical scheme is that: raw water firstly flows into the raw water storage cavity, part of impurities in the raw water are firstly precipitated at the bottom of the raw water storage cavity, and a sewage discharge outlet is formed in the lower end, so that the impurities deposited to a certain degree can be discharged, the probability of blockage of the hollow fiber membrane yarns is reduced, and the effective working time of the hollow fiber membrane yarns is prolonged.
Furthermore, an automatic exhaust valve is connected to the upper end head.
Further, a raw water outlet hole is formed in the upper end head, and a raw water outlet electromagnetic valve is arranged at the raw water outlet hole.
The beneficial effect of adopting the further technical scheme is that: according to the water quality condition, the membrane component can be used for dead-end filtration and cross-flow filtration; when the raw water outlet electromagnetic valve is closed, the raw water is filtered by a dead end, so that the raw water can be converted into produced water in a large amount, and the utilization rate of the raw water is greatly improved; when the raw water outlet electromagnetic valve is opened, cross-flow filtration is adopted, raw water flow always scours the surfaces of the membrane filaments, impurities on the surfaces of the membrane filaments flow out of the membrane module along with raw water from the raw water outlet, the membrane filaments are not easy to pollute, the high water yield can be kept for a long time, meanwhile, the membrane filament cleaning time is reduced, and the service life of the membrane module is greatly prolonged.
Further, the hollow fiber membrane filaments are microfiltration membranes or ultrafiltration membranes.
Further, the hollow fiber membrane silk material is one or more of polysulfone, polyethersulfone, polyvinylidene fluoride, polyvinyl chloride, polytetrafluoroethylene, cellulose acetate, cellulose.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the drawings, the parts names represented by the respective reference numerals are listed as follows: 1. 1-1 parts of a column type shell, 1-11 parts of a lower end, 1-12 parts of a sewage discharge outlet, 1-2 parts of a raw water storage cavity, 1-3 parts of a shell barrel and an upper end;
2. a central water inlet pipe, 2-1, a raw water inlet;
3. 3-1 parts of central water distribution pipe, 3-2 parts of water distribution holes and 3-2 parts of water production outlet;
4. the device comprises an upper epoxy sealing ring, 5 a lower epoxy sealing ring, 6 a blow-down valve, 7 an automatic exhaust valve, 8 a hollow fiber membrane yarn.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, wherein the solid arrows indicate the direction of raw water, and the hollow arrows indicate the direction of produced water; an internal pressure membrane component comprises a column type shell 1, wherein a raw water storage cavity 1-12 is arranged at the lower end of the column type shell 1;
a central water inlet pipe 2 is arranged in the center of the column type shell 1, a plurality of central water distribution pipes 3 are sleeved outside the central water inlet pipe 2, and a plurality of hollow fiber membrane yarns 8 are arranged between the central water distribution pipes 3 and the inner wall of the column type shell 1;
the upper end of the central water inlet pipe 2 is a raw water inlet 2-1, and the lower end of the central water inlet pipe is communicated with the raw water storage cavity 1-12;
the upper end of the hollow fiber membrane wire 8 is communicated, and the lower end of the hollow fiber membrane wire is opened and communicated with the raw water storage cavities 1-12;
the lower end of the central water distribution pipe 3 is sealed, the upper end of the central water distribution pipe 3 is open, and the upper end of the central water distribution pipe 3 is a water production outlet 3-2; and the pipe wall of the central water distribution pipe 3 is provided with a plurality of water distribution holes 3-1.
The column type shell 1 comprises an upper end 1-3, a lower end 1-1 and a shell barrel 1-2 arranged between the upper end 1-3 and the lower end 1-1, wherein a raw water storage cavity 1-12 is formed at the lower end 1-1, a lower epoxy sealing ring 5 is arranged between the lower end 1-3 and the lower end of the shell barrel 1-2, and an upper epoxy sealing ring 4 is arranged between the upper end 1-3 and the upper end of the shell barrel 1-2;
the upper end of the central water inlet pipe 2 penetrates through the upper epoxy sealing ring 4, and the lower end of the central water inlet pipe penetrates through the lower epoxy sealing ring 5 and then is communicated with the raw water storage cavities 1-12;
the upper end of the hollow fiber membrane wire 8 penetrates through the upper epoxy sealing ring 4 to be communicated with the inner cavity of the upper end head 1-3, and the lower end of the hollow fiber membrane wire penetrates through the lower epoxy sealing ring 4 to be communicated with the raw water storage cavity 1-12;
the lower end of the central water distribution pipe 3 is connected with the lower epoxy sealing ring 5, and the upper end of the central water distribution pipe passes through the upper epoxy sealing ring 4.
The upper ends of the central water distribution pipe 3 and the central water inlet pipe 2 penetrate through the upper end heads 1-3.
The lower end 1-1 is also provided with a sewage outlet 1-11, and the sewage outlet 1-11 is connected with a sewage valve 6.
The upper end 1-3 is connected with an automatic exhaust valve 7.
The hollow fiber membrane filaments 8 are microfiltration membranes or ultrafiltration membranes.
The hollow fiber membrane filaments 8 are made of one or more of polysulfone, polyethersulfone, polyvinylidene fluoride, polyvinyl chloride, polytetrafluoroethylene, cellulose acetate and cellulose.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The internal pressure membrane component is characterized by comprising a column type shell, wherein a raw water storage cavity is arranged at the lower end of the column type shell;
a central water inlet pipe is arranged in the center of the column type shell, a central water distribution pipe is sleeved outside the central water inlet pipe, and a plurality of hollow fiber membrane yarns are further arranged between the central water distribution pipe and the inner wall of the column type shell;
the upper end of the central water inlet pipe is a raw water inlet, and the lower end of the central water inlet pipe is communicated with the raw water storage cavity;
both ends of the hollow fiber membrane yarn are open, and the lower end of the hollow fiber membrane yarn is communicated with the raw water storage cavity;
the lower end of the central water distribution pipe is sealed, and the upper end of the central water distribution pipe is opened; and a plurality of water distribution holes are arranged on the pipe wall of the central water distribution pipe.
2. The internal pressure membrane module according to claim 1, wherein the column type housing comprises an upper end and a lower end, and a shell disposed between the upper end and the lower end, the lower end forming a raw water reservoir, a lower epoxy sealing ring disposed between the lower end and the lower end of the shell, and an upper epoxy sealing ring disposed between the upper end and the upper end of the shell;
the upper end of the central water inlet pipe penetrates through the upper epoxy sealing ring, and the lower end of the central water inlet pipe penetrates through the lower epoxy sealing ring and then is communicated with the raw water storage cavity;
the upper end of the hollow fiber membrane wire penetrates through the upper epoxy sealing ring to be communicated with an inner cavity of the upper end head, and the lower end of the hollow fiber membrane wire penetrates through the lower epoxy sealing ring to be communicated with the raw water storage cavity;
the lower end of the central water distribution pipe is connected with the lower epoxy sealing ring, and the upper end of the central water distribution pipe penetrates through the upper epoxy sealing ring.
3. The internal pressure membrane assembly of claim 2, wherein the upper ends of the central water distributor and the central water inlet pipe each pass through the upper head.
4. The internal pressure membrane assembly of claim 2, wherein the lower header is further provided with a drain outlet, and a drain valve is connected to the drain outlet.
5. The internal pressure membrane assembly of claim 2, wherein an automatic vent valve is connected to said upper header.
6. The internal pressure membrane module as claimed in claim 2, wherein the upper header is provided with a raw water outlet, and a raw water outlet solenoid valve is provided at the raw water outlet.
7. The internal pressure membrane module according to any one of claims 1 to 6, wherein the central water distributor comprises a plurality of water distributor bodies connected in series from top to bottom.
8. The internal pressure membrane module according to any one of claims 1 to 6, wherein the hollow fiber membrane filaments are a microfiltration membrane or an ultrafiltration membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822126860.6U CN209809943U (en) | 2018-12-18 | 2018-12-18 | Internal pressure membrane assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822126860.6U CN209809943U (en) | 2018-12-18 | 2018-12-18 | Internal pressure membrane assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209809943U true CN209809943U (en) | 2019-12-20 |
Family
ID=68869371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822126860.6U Active CN209809943U (en) | 2018-12-18 | 2018-12-18 | Internal pressure membrane assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209809943U (en) |
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2018
- 2018-12-18 CN CN201822126860.6U patent/CN209809943U/en active Active
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