CN203123836U - Gas-water homogenizing external pressure column type membrane assembly - Google Patents
Gas-water homogenizing external pressure column type membrane assembly Download PDFInfo
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- CN203123836U CN203123836U CN 201320108057 CN201320108057U CN203123836U CN 203123836 U CN203123836 U CN 203123836U CN 201320108057 CN201320108057 CN 201320108057 CN 201320108057 U CN201320108057 U CN 201320108057U CN 203123836 U CN203123836 U CN 203123836U
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- air water
- water homogenizing
- external pressure
- pressure column
- putamina
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Abstract
The utility model relates to a gas-water homogenizing external pressure column type membrane assembly. The gas-water homogenizing external pressure column type membrane assembly comprises a membrane housing and a plurality of hollow fiber membrane wires which are fixedly arranged in the membrane housing, wherein a water inlet is formed at the lower end of the membrane housing; a water outlet is formed at the upper end of the membrane housing; a side pot is formed on the side part of the membrane housing; the upper ends of the hollow fiber membrane wires are opened and fixedly arranged in the membrane housing by an upper casting layer formed by glue casting; the openings are communicated with the hollow inner parts of the hollow fiber membrane wires and the water outlet; the lower ends of the hollow fiber membrane wires are sealed and fixedly arranged in the membrane housing by a lower casting layer formed by the glue casting; a filter space is formed between the upper casting layer and the lower casting layer; a plurality of gas-water homogenizing holes are formed on the lower casting layer; and the gas-water homogenizing holes are distributed among the hollow fiber membrane wires and communicated with the water inlet and the filter space. The gas-water homogenizing external pressure column type membrane assembly is designed with the gas-water homogenizing holes for dispersing the hollow fiber membrane wires in a backwashing front-flushing process and a gas-water washing process, so that the inlet water and the inlet gas can be homogenized more sufficiently, and therefore, the deposition of pollutants is effectively reduced, the service life of the membrane is prolonged, and the water quality of the water treatment can be stabilized in a facilitating manner.
Description
Technical field
The utility model relates to a kind of filtering film component for water treatment, especially a kind of air water homogenizing external pressure column-type film components.
Background technology
At present, the doughnut membrane filtration is widely used in industry and life, and characteristics such as high strength hollow support, the loading density that it has is big, filtering accuracy height are approved by people.But in the high pollution water treatment, inevitably can there be the film contamination phenomenon, influences filter efficiency and life-span.So improve the filter efficiency of membrane module, reduce the pollution condition of film silk, prolong film and receive publicity day by day service life.
Existing external-compression type membrane module includes two kinds of forms: a kind of side opening water inlet, two ends perforate water outlet; The water inlet of another kind of bottom, upper end perforate water outlet.With respect to side mouth water inlet, bottom water inlet current scour is more abundant, and less pollution dead angle improved certain stain resistance, and the impact shear power of side mouth water inlet is bigger, thrusts the film silk easily.
Usually, the external-compression type membrane module in use, in order to reduce contamination and plugging, at the appointed time in, need carry out backwash or just washing and air water is washed etc.But washing insufficient meeting influence cleaning performance, also has repeatedly flushing to cause the fracture of hollow-fibre membrane silk sometimes.
Summary of the invention
The purpose of this utility model provide a kind of solve conventional external pressure column-type film components water inlet current in the process of using inhomogeneous, clean insufficient, problems such as dirty foreign material deposition obstruction, and air water homogenizing external-compression type filtering film component that can long-life stable operation.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of air water homogenizing external pressure column-type film components, comprise putamina, be fixedly arranged on some hollow-fibre membrane silks in the described putamina along the length direction of described putamina, the lower end of described putamina has water inlet, the upper end of described putamina has delivery port, the sidepiece of described putamina is provided with the side mouth, the upper end open of described hollow-fibre membrane silk and the top-pour cast layer that forms by the glue casting are fixedly arranged in the described putamina, the inside of the hollow of the described hollow-fibre membrane silk of described open communication and described delivery port, the lower end closed of described hollow-fibre membrane silk and the following cast layer that forms by the glue casting are fixedly arranged in the described putamina; Form filter space between described top-pour cast layer and the described following cast layer, offer several air water homogenizing holes on the described down cast layer, the pore size distribution of described air water homogenizing is between described hollow-fibre membrane silk and be communicated with described water inlet and described filter space.
Preferably, described air water homogenizing hole is in the described cross section of cast layer down to intersect and arranges or the homogeneous circular multilayer is arranged or circle increases progressively multilayer and arranges.
Preferably, intersect when arranging when described air water homogenizing hole is, described air water homogenizing hole is cross-shaped arranging on the cross section of described cast layer down, and the aperture in each described air water homogenizing hole equates.
Preferably, when described air water homogenizing hole was the homogeneous circular multilayer and arranges, arranged in the described cross section of cast layer down and form the multilayer concentric ring in described air water homogenizing hole, and the aperture in each described air water homogenizing hole equates.
Preferably, when described air water homogenizing hole is rounded when increasing progressively multilayer and arranging, arrange in the described cross section of cast layer down and form the multilayer concentric ring in described air water homogenizing hole, formation equates with the aperture in the air water homogenizing hole of the described concentric ring of one deck, and by the described concentric ring of outer field described concentric ring to internal layer, the aperture in described air water homogenizing hole increases progressively gradually.
Preferably, the progressive increase rate in the aperture in described air water homogenizing hole is 20%-40%.
Preferably, the aperture in each described air water homogenizing hole is 10-20mm.
Preferably, described cast layer down is provided with 21-27 described air water homogenizing hole.
Preferably, the big 10%-30% of area of section of the described side mouth of total area ratio in the cross section in described air water homogenizing hole.
Preferably, described side mouth comprises near the sewage draining exit of the bottom of described putamina with near the dense water out in upper end of described putamina.
Because technique scheme is used, the utility model compared with prior art has following advantage: the utility model design has air water homogenizing hole, it can just wash and air water when washing in backwash, disperse, hollow tunica fibrosa silk, make into water, air inlet more evenly fully, effectively reduce the deposition of dirty foreign material, improve film service life, be conducive to the water quality that stabilize water is handled.
Description of drawings
Accompanying drawing 1 is looked cutaway view for the master of air water homogenizing external pressure column-type film components of the present utility model.
Accompanying drawing 2 is the A-A zoomed-in view of the embodiment one of air water homogenizing external pressure column-type film components of the present utility model.
Accompanying drawing 3 is the A-A zoomed-in view of the embodiment two of air water homogenizing external pressure column-type film components of the present utility model.
Accompanying drawing 4 is the A-A zoomed-in view of the embodiment three of air water homogenizing external pressure column-type film components of the present utility model.
In the above accompanying drawing: 1, putamina; 2, dense water out; 3, hollow-fibre membrane silk; 4, sewage draining exit; 5, air water homogenizing hole; 6, top-pour cast layer; 7, following cast layer; 8, water inlet; 9, delivery port; 10, filter space.
The specific embodiment
Be further described below in conjunction with the present invention of embodiment shown in the drawings.
Embodiment one: shown in accompanying drawing 1.
A kind of air water homogenizing external pressure column-type film components, comprise putamina 1, the lower end of putamina 1 has water inlet 8, and the upper end of putamina 1 has delivery port 9, the sidepiece of putamina 1 is provided with the side mouth, and this side mouth comprises the dense water out 2 in upper end near the sewage draining exit 4 of the bottom of putamina 1 and close putamina 1.
Be installed with some hollow-fibre membrane silks 3 along its length direction in the putamina 1, the upper end open of hollow-fibre membrane silk 3 and the top-pour cast layer 6 that forms by the glue casting are fixedly arranged in the putamina 1, the inside of the hollow of open communication hollow-fibre membrane silk 3 and delivery port 9, the lower end closed of hollow-fibre membrane silk 3 and the following cast layer 7 that forms by the glue casting are fixedly arranged in the putamina 1.Form filter space 10 between top-pour cast layer 6 and the following cast layer 7.
Offer several air water homogenizing holes 5 on the following cast layer 7, air water homogenizing hole 5 is distributed between the hollow-fibre membrane silk 3 and is communicated with water inlet 8 and filter space 10.Air water homogenizing hole 5 can make distribute water and air more even.In the process that membrane module is using and air purge is washed, current can evenly wash away hollow-fibre membrane silk 3 surfaces by air water homogenizing hole 5, can get rid of dozen tiny dirty foreign material of part from dense water out 2, also have some bigger dirty foreign material to get rid of by lower end sewage draining exit 4, prevent the situation that deposition is polluted.
In the present embodiment, air water homogenizing hole 5 is to intersect in the following cross section of cast layer 7 and arranges.Shown in accompanying drawing 2, air water homogenizing hole 5 is cross-shaped arranging on the cross section of following cast layer 7, and the aperture in each air water homogenizing hole 5 equates.
Above-mentioned air water homogenizing external pressure column-type film components is adapted to 6 " and above membrane module, according to the size of putamina 1 outside diameter of different assemblies, diameter phi 10 mm in air water homogenizing hole 5-φ 20mm.For example intersecting the aperture in equally distributed air water homogenizing hole 5 is φ 12mm, and quantity is 21 ~ 27.And the big 10%-30% of area of section of the total area ratio side mouth in the cross section in air water homogenizing hole 5.Total cross-sectional area as air water homogenizing hole 5 should be greater than 13cm
2, preferentially select 15cm
2-18cm
2, sufficient inflow can be provided.
Embodiment two: shown in accompanying drawing 3.Present embodiment two is with the difference of embodiment one: air water homogenizing hole 5 is the homogeneous circular multilayer in the cross section of following cast layer 7 and arranges, to be air water homogenizing hole 5 in the cross section of cast layer 7 down arrange forms the multilayer concentric ring, and the aperture in each air water homogenizing hole 5 equates.
Embodiment three: shown in accompanying drawing 4.In the present embodiment, air water homogenizing hole 5 rounded multilayer that increases progressively on the cross section of following cast layer 7 is arranged, to be air water homogenizing hole 5 in the cross section of cast layer 7 down arrange forms the multilayer concentric ring, formation equates with the aperture in the air water homogenizing hole 5 of one deck concentric ring, and by the concentric ring of outer field concentric ring to internal layer, the aperture in air water homogenizing hole 5 increases progressively gradually, and the progressive increase rate in this aperture is 20%-40%, and the aperture in the air water homogenizing hole 5 of center bore maximum is φ 20mm.
The membrane module of above-described embodiment makes 3 of hollow-fibre membrane silks keep certain space, air water homogenizing hole 5 has guaranteed that current are more smooth, effectively prevent the obstruction of dirty foreign material deposition, reduce the situation of film silk fracture, make the air water flushing more abundant, make things convenient for air purge washing and restorability, the service life of having improved membrane module.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (10)
1. air water homogenizing external pressure column-type film components, comprise putamina, be fixedly arranged on some hollow-fibre membrane silks in the described putamina along the length direction of described putamina, the lower end of described putamina has water inlet, the upper end of described putamina has delivery port, the sidepiece of described putamina is provided with the side mouth, it is characterized in that: the upper end open of described hollow-fibre membrane silk and the top-pour cast layer that forms by the glue casting are fixedly arranged in the described putamina, the inside of the hollow of the described hollow-fibre membrane silk of described open communication and described delivery port, the lower end closed of described hollow-fibre membrane silk and the following cast layer that forms by the glue casting are fixedly arranged in the described putamina; Form filter space between described top-pour cast layer and the described following cast layer, offer several air water homogenizing holes on the described down cast layer, the pore size distribution of described air water homogenizing is between described hollow-fibre membrane silk and be communicated with described water inlet and described filter space.
2. air water homogenizing external pressure column-type film components according to claim 1 is characterized in that: described air water homogenizing hole is in the described cross section of cast layer down to intersect arranges or the homogeneous circular multilayer is arranged or circle increases progressively multilayer and arranges.
3. air water homogenizing external pressure column-type film components according to claim 2, it is characterized in that: intersect when arranging when described air water homogenizing hole is, described air water homogenizing hole is cross-shaped arranging on the cross section of described cast layer down, and the aperture in each described air water homogenizing hole equates.
4. air water homogenizing external pressure column-type film components according to claim 2, it is characterized in that: when described air water homogenizing hole is the homogeneous circular multilayer and arranges, arrange in the described cross section of cast layer down and form the multilayer concentric ring in described air water homogenizing hole, and the aperture in each described air water homogenizing hole equates.
5. air water homogenizing external pressure column-type film components according to claim 2, it is characterized in that: when described air water homogenizing hole is rounded when increasing progressively multilayer and arranging, arrange in the described cross section of cast layer down and form the multilayer concentric ring in described air water homogenizing hole, formation equates with the aperture in the air water homogenizing hole of the described concentric ring of one deck, and by the described concentric ring of outer field described concentric ring to internal layer, the aperture in described air water homogenizing hole increases progressively gradually.
6. air water homogenizing external pressure column-type film components according to claim 5, it is characterized in that: the progressive increase rate in the aperture in described air water homogenizing hole is 20%-40%.
7. air water homogenizing external pressure column-type film components according to claim 1 and 2, it is characterized in that: the aperture in each described air water homogenizing hole is 10-20mm.
8. air water homogenizing external pressure column-type film components according to claim 1 and 2 is characterized in that: described cast layer down is provided with 21-27 described air water homogenizing hole.
9. air water homogenizing external pressure column-type film components according to claim 1 and 2 is characterized in that: the big 10%-30% of area of section of the described side mouth of total area ratio in the cross section in described air water homogenizing hole.
10. air water homogenizing external pressure column-type film components according to claim 1 is characterized in that: described side mouth comprises near the sewage draining exit of the bottom of described putamina with near the dense water out in upper end of described putamina.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108057 CN203123836U (en) | 2013-02-05 | 2013-02-05 | Gas-water homogenizing external pressure column type membrane assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108057 CN203123836U (en) | 2013-02-05 | 2013-02-05 | Gas-water homogenizing external pressure column type membrane assembly |
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| Publication Number | Publication Date |
|---|---|
| CN203123836U true CN203123836U (en) | 2013-08-14 |
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| CN 201320108057 Expired - Lifetime CN203123836U (en) | 2013-02-05 | 2013-02-05 | Gas-water homogenizing external pressure column type membrane assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111188A (en) * | 2013-02-05 | 2013-05-22 | 江苏苏净集团有限公司 | Air-water homogenization external pressure column type membrane assembly |
-
2013
- 2013-02-05 CN CN 201320108057 patent/CN203123836U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111188A (en) * | 2013-02-05 | 2013-05-22 | 江苏苏净集团有限公司 | Air-water homogenization external pressure column type membrane assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |