CN216890218U - Membrane filtration equipment - Google Patents
Membrane filtration equipment Download PDFInfo
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- CN216890218U CN216890218U CN202123129951.3U CN202123129951U CN216890218U CN 216890218 U CN216890218 U CN 216890218U CN 202123129951 U CN202123129951 U CN 202123129951U CN 216890218 U CN216890218 U CN 216890218U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The utility model relates to membrane filtration equipment, which comprises a shell and 1000 pieces of 1100 hollow thin tubular membrane bodies, wherein the shell comprises a filtration cavity and a water purification cavity, the filtration cavity is provided with a water inlet and a sewage outlet, the water purification cavity is provided with a water outlet, and the hollow thin tubular membrane bodies are arranged in the filtration cavity; one end of the hollow thin tubular membrane body is of an open structure, and the other end of the hollow thin tubular membrane body is of a closed structure; a longitudinal channel is arranged in the hollow thin tubular membrane body; the pipe wall of the hollow thin tubular membrane body is provided with a filter hole; the aperture of the filtration pore of the hollow thin tubular membrane body is 0.01-5 μm. The hollow thin tubular membrane body has stable chemical property, high filtration precision and high aperture ratio, and hollow thin tubular membrane bodies with different apertures can be selected according to the viscosity and the suspended matter content of the filtrate; the pollution resistance is strong, and pollution is not easy to form on the membrane surface; the lubricating property is high, the wear resistance is strong, the scaling problem of the traditional membrane is solved, and the long-term stability of the high-flux operation of the system is ensured.
Description
Technical Field
The utility model relates to the technical field of environment-friendly water treatment, in particular to membrane filtration equipment.
Background
At present, mine water is difficult to remove suspended matters and oil substances, reduce the mineralization degree, influence of dosing on a subsequent process and the like in raw water treatment, the traditional treatment process has the defects of complex process flow, large floor area, high equipment maintenance cost, high underground warehouse cleaning labor intensity, poor treatment effect and the like, and the treated mine water is rarely applied to industrial water and generates great water resource waste.
Disclosure of Invention
Technical problem to be solved
In order to solve the problems in the prior art, the utility model provides membrane filtration equipment which can directly feed raw water into a treatment device without a pretreatment link and adding a coagulant or a flocculant, and the filtered purified water can be directly discharged or fed into a subsequent advanced treatment system and the like.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the main technical scheme that:
a membrane filtration device comprising: a shell, 1000 pieces of 1100 hollow thin tubular membrane bodies;
the shell comprises a filter cavity and a water purification cavity, the filter cavity is provided with a water inlet and a sewage outlet, and the water purification cavity is provided with a water outlet;
the hollow thin tubular membrane body is arranged in the filtering cavity;
one end of the hollow thin tubular membrane body is of an open structure, and the other end of the hollow thin tubular membrane body is of a closed structure;
a longitudinal channel is arranged in the hollow thin tubular membrane body;
the pipe wall of the hollow thin tubular membrane body is provided with a filter hole;
the aperture of the filtering hole of the hollow thin tubular membrane body is 0.01-5 mu m, the aperture is small and micron-sized, the filtering and separating effects are achieved, various filtering levels are adopted, and the filtering precision is high.
The water inlet is arranged at the top of the shell, and the drain outlet and the water outlet are arranged at the bottom of the shell.
Optionally, one end of the hollow thin tubular membrane body with an opening is connected with the water purification cavity, and the closed end of the hollow thin tubular membrane body is fixedly arranged on the top of the shell at the upper part of the filter cavity.
Optionally, the outer diameter of the hollow thin tubular membrane body is 1mm-12mm, and the inner diameter is 0.5mm-10 mm.
The hollow thin tubular membrane has the advantages that the filtration pore opening rate is 80-85%, the resistance is effectively reduced, the water permeability is greatly improved, and the flux is improved by about 5-8 times of that of a common membrane.
Optionally, the filtration pores at the open end of the hollow thin tubular membrane body are distributed densely, the filtration pores at the closed end are distributed relatively sparsely, the open end is located at the lower part of the filter, the water pressure is relatively high, and the filtration efficiency can be ensured due to the large number of filtration pores.
Optionally, the surface of the hollow thin tubular membrane body is in a unidirectional filtration mode, and the water purification filtration direction is that water flows from the outside to the inside of the hollow thin tubular membrane body.
Preferably, the aperture of the filtering hole of the hollow thin tubular membrane body is 2-3.5 μm, and hollow thin tubular membrane bodies with different apertures can be selected according to the viscosity and the suspended matter content of the filtering liquid, so as to achieve the purposes of filtering, separating and clarifying, improve the speed of raw water filtering and improve the filtering efficiency.
Preferably, the outer diameter of the hollow thin tubular membrane body is 4mm-7mm, the inner diameter is 3mm-5mm, the hollow thin tubular membrane body with smaller size is selected, more hollow thin tubular membrane bodies can be installed in the filtering cavity of the same membrane filtering device, and the filtering speed can be improved.
(III) advantageous effects
The hollow thin tubular membrane body of the membrane filtration equipment has the filtration pore diameter of 0.01-5 mu m, the separation precision is high, hollow thin tubular membrane bodies with different pore diameters can be selected according to the viscosity and the suspended matter content of the filtrate so as to achieve the purposes of filtration, separation and clarification, chemical articles such as flocculating agents, retarders and the like are not required to be added, and the membrane filtration equipment adopts a direct filtration technology, and has the advantages of low cost, large flux, low energy consumption and the like.
The aperture ratio is high, the aperture ratio of the filtering holes of the hollow thin tubular membrane body is 80-85%, the flux is large, the resistance is effectively reduced, the water permeability is greatly improved, and the flux is improved by about 5-8 times of that of a common membrane.
The membrane is prepared by mixing micron-sized ceramic particles and nano-sized polytetrafluoroethylene particles at high temperature through a special process, and the prepared membrane has the characteristics of high strength, stable chemical property and the like, and can not swell the membrane body or filter pores due to long-time high-temperature or acid and alkali environments.
The anti-fouling performance is strong, no secondary dissolved matters are generated in the filtering process, the membrane body has good lubricity and is not easy to scale, and the scaling problem of the traditional membrane is solved; the high-flux-resistance high-stability high-temperature-resistant high-oxidation-resistance high-stability high-flux-resistance high-stability high-flux-resistance high-temperature-resistance high-stability high-flux-resistance high-stability high-flux-resistance high-stability high-resistance high-stability high-resistance high-stability high-flux-stability high-resistance high-stability high-resistance high-stability high-resistance high-stability high-resistance high-stability high-resistance high-performance high-stability high-resistance high-stability high-resistance high-stability high-resistance high-performance high-stability high-performance high-stability high-resistance high-stability high-resistance high-stability high-resistance high-stability high-performance high-stability high-resistance high-stability high-performance high-stability.
Drawings
Fig. 1 is a schematic structural diagram of a water purification membrane filtration apparatus according to the present invention.
[ description of reference ]
1: a water inlet;
2: a hollow thin tubular membrane body;
3: a filter chamber;
4: a water purifying cavity;
5: a sewage draining outlet;
6: and (7) a water outlet.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
Example (b):
as shown in FIG. 1, the membrane filtration device comprises a shell, 1000 pieces of hollow thin tubular membrane bodies 2;
the shell comprises a filter cavity 3 and a purified water cavity 4, the filter cavity 3 is provided with a water inlet 1 and a sewage discharge outlet 5, and the purified water cavity 4 is provided with a water outlet 6;
the hollow thin tubular membrane body 2 is arranged in the filter cavity 3;
one end of the hollow thin tubular membrane body 2 is of an open structure, and the other end of the hollow thin tubular membrane body is of a closed structure;
a longitudinal channel is arranged in the hollow thin tubular membrane body 2;
the pipe wall of the hollow thin tubular membrane body 2 is provided with a filter hole;
the aperture of the filtering hole of the hollow thin tubular membrane body 2 is 0.01-5 μm, the aperture is small and micron-sized, the filtering and separating effects are achieved, various filtering levels are adopted, and the filtering precision is high.
The water inlet 1 is arranged at the top of the shell, and the sewage draining outlet 5 and the water outlet 6 are arranged at the bottom of the shell.
Optionally, the open end of the hollow thin tubular membrane is connected to the purified water chamber 4, and the closed end of the hollow thin tubular membrane is fixed to the top of the housing at the upper part of the filtering chamber 3.
The longitudinal channel is linear, when the purified water in the filter cavity 3 passes through the filter holes and then enters the internal channel of the hollow thin tubular membrane body 2, and flows into the purified water cavity 4 from one end of the opening of the hollow thin tubular membrane body 2, and the linear pipeline can discharge the filtered purified water more quickly under the action of gravity.
The hollow thin tubular membrane body 2 has the outer diameter of 1mm-12mm and the inner diameter of 0.5mm-10mm, the aperture ratio of filter holes of the hollow thin tubular membrane body 2 is 80-85%, the resistance is effectively reduced, the water permeability is greatly improved, and the flux can reach 50-150L/(square meter × h), which is about 5-8 times of that of a common membrane material.
The filtration pores at the open end of the hollow thin tubular membrane body 2 are distributed densely, the filtration pores at the closed end are distributed relatively sparsely, the open end is positioned at the lower part of the filtration cavity 3 and communicated with the water purification cavity 4, when the filtration cavity 3 is filled with filtered raw water, the water pressure at the open end of the hollow thin tubular membrane body 2 is greater than the water pressure at the closed end of the hollow thin tubular membrane body 2, the filtration pores at the open end of the hollow thin tubular membrane body 2 are distributed densely, and the integral filtration rate of the hollow thin tubular membrane body 2 is not affected.
The hollow thin tubular membrane body 2 is prepared by mixing micron-sized ceramic particles and nano-sized polytetrafluoroethylene particles, adding a fluxing agent, and performing a special process at a high temperature, and the prepared membrane body has the characteristics of high strength, stable chemical properties and the like, is high in lubricity and wear resistance, is not easy to scale on the surface of the membrane in the using process, and solves the scaling problem of the traditional membrane.
The filtering holes of the hollow thin tubular membrane body 2 adopt a one-way filtering mode, and the water purification filtering direction is that water flows from the outside to the inside of the hollow thin tubular membrane body 2.
The aperture of the filtering hole of the hollow thin tubular membrane body 2 is 2-3.5 μm, and hollow thin tubular membrane bodies with different apertures can be selected according to the viscosity and the suspended matter content of the filtering liquid so as to achieve the purposes of filtering, separating and clarifying, improve the filtering speed and improve the filtering efficiency.
The outer diameter of the hollow thin tubular membrane body 2 is 4mm-7mm, the inner diameter is 3mm-5mm, the hollow thin tubular membrane body 2 with smaller size is selected, more hollow thin tubular membrane bodies 2 can be placed in the filtering cavity of the same membrane filtering device, and the filtering speed can be accelerated.
As shown in fig. 1, in practical application, raw water is filled through a water inlet 1, the raw water is in a filter cavity 3, micron-sized filter holes in the pipe wall of a hollow thin tubular membrane 2 intercept suspended matters in sewage, the purified water enters an internal channel of the hollow thin tubular membrane 2 through the filter holes, enters a purified water cavity 4 through a connector of the purified water cavity 4, and can be directly discharged or enter a subsequent advanced treatment system or the like through a water outlet 6, so that the sewage can be discharged through a sewage outlet 5 after impurities attached to the hollow thin tubular membrane 2 are cleaned.
The membrane filtration equipment adopts a direct filtration technology, chemical articles such as flocculating agent, retarder and the like do not need to be added, the hollow thin tubular membrane body 2 has the advantages of low cost, large flux, low energy consumption and the like, and simultaneously has higher strength and toughness, and membrane filaments can be kept in an original state without deformation and filament breakage under certain pressure; the water-based paint has good hydrophilicity, can delay membrane fouling and blocking, and prolongs the service life; acid resistance, alkali resistance and high temperature resistance; strong pollution resistance, no reaction with any substance at normal temperature, and no secondary dissolved matter in the filtering process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the utility model, and that such changes and modifications are to be considered as within the scope of the utility model.
Claims (9)
1. A membrane filtration device, comprising: a shell and 1000 and 1100 hollow thin tubular membrane bodies (2);
the shell comprises a filter cavity (3) and a water purification cavity (4), the filter cavity (3) is provided with a water inlet (1) and a sewage outlet (5), and the water purification cavity (4) is provided with a water outlet (6);
the hollow thin tubular membrane body (2) is arranged in the filter cavity (3);
one end of the hollow thin tubular membrane body (2) is of an open structure, and the other end of the hollow thin tubular membrane body is of a closed structure;
a longitudinal channel is arranged in the hollow thin tubular membrane body (2);
the pipe wall of the hollow thin tubular membrane body (2) is provided with a filter hole;
the aperture of the filtration pore of the hollow thin tubular membrane body (2) is 0.01-5 μm.
2. The membrane filtration device according to claim 1, wherein the water inlet (1) is arranged at the top of the housing and the sewage outlet (5) and the water outlet (6) are arranged at the bottom of the housing.
3. The membrane filtration device according to claim 1, wherein the open end of the hollow thin tubular membrane body (2) is in communication with the clean water chamber (4), and the closed end of the hollow thin tubular membrane body (2) is fixedly arranged on the top of the housing at the upper part of the filtration chamber (3).
4. Membrane filtration unit according to claim 1, wherein the hollow thin tubular membrane body (2) has an outer diameter of 1mm-12mm and an inner diameter of 0.5mm-10 mm.
5. The membrane filtration device according to claim 1, wherein the hollow thin tubular membrane body (2) has a filtration pore opening ratio of 80-85%.
6. The membrane filtration device according to claim 1, wherein the hollow thin tubular membrane body (2) has a dense distribution of open end filter pores and a relatively sparse distribution of closed end filter pores.
7. The membrane filtration apparatus according to claim 1, wherein the filtration pores of the hollow thin tubular membrane body (2) are of a one-way filtration type, and the direction of water purification filtration is such that water flows from the outside to the inside of the hollow thin tubular membrane body (2).
8. The membrane filtration apparatus according to claim 1, wherein the filtration pore size of the hollow thin tubular membrane body (2) is 2 μm-3.5 μm.
9. Membrane filtration unit according to claim 4, wherein the hollow thin tubular membrane body (2) has an outer diameter of 4mm-7mm and an inner diameter of 3mm-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123129951.3U CN216890218U (en) | 2021-12-13 | 2021-12-13 | Membrane filtration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123129951.3U CN216890218U (en) | 2021-12-13 | 2021-12-13 | Membrane filtration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216890218U true CN216890218U (en) | 2022-07-05 |
Family
ID=82205812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123129951.3U Active CN216890218U (en) | 2021-12-13 | 2021-12-13 | Membrane filtration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216890218U (en) |
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2021
- 2021-12-13 CN CN202123129951.3U patent/CN216890218U/en active Active
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Address after: No. 202-48, floor 2, building 18, District 17, No. 188, South Fourth Ring West Road, Fengtai District, Beijing 100013 Patentee after: Zhongmei (Beijing) Environmental Protection Engineering Co.,Ltd. Address before: No. 202-48, floor 2, building 18, District 17, No. 188, South Fourth Ring West Road, Fengtai District, Beijing 100013 Patentee before: CHINA COAL (BEIJING) ENVIRONMENTAL ENGINEERING CO.,LTD. |