CN104275019A - Rotary type tangential flow filter - Google Patents
Rotary type tangential flow filter Download PDFInfo
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- CN104275019A CN104275019A CN201410473873.4A CN201410473873A CN104275019A CN 104275019 A CN104275019 A CN 104275019A CN 201410473873 A CN201410473873 A CN 201410473873A CN 104275019 A CN104275019 A CN 104275019A
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- filter
- rotary
- tangential flow
- filtrate
- cylindrical outer
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Abstract
The invention discloses a rotary type tangential flow filter which comprises a shell, wherein a rotary filtering unit is arranged in the shell and comprises rotary mounting blocks mounted at two ends of the shell in a rotary matching manner; an inner-layer filtering membrane and an outer-layer filtering membrane are mounted between the two rotary mounting blocks; an annular filtering space is formed between the inner-layer filtering membrane and the outer-layer filtering membrane in a surrounding manner; a communicating channel through which filtrate can pass is formed between the inner-layer filtering membrane and the outer-layer filtering membrane; a motor for driving the rotary filtering unit to rotate is arranged at the upper end of the shell; a liquid inlet for injecting liquid to be filtered is formed in the side wall of the shell; a liquid outlet for outputting liquid subjected to filtering treatment and a filtrate outlet for outputting filtered liquid are formed in the bottom of the shell. Under a condition that the length of the filter is not changed, the rotary type tangential flow filter disclosed by the invention effectively increases the filtering rate.
Description
Technical field
The invention belongs to filter technology field, be specifically related to a kind of rotary-type tangential flow filter.
Background technology
As shown in Figure 1, for the structural representation of existing a kind of tangential flow filter, this tangential flow filter comprises housing, the milipore filter adopting hollow fiber column to make is provided with in housing, the below of housing is provided with inlet, top is provided with liquid outlet, correspondingly with milipore filter on the bottom surface of housing is provided with filtrate outlet.Although this tangential flow filter can meet filtering requirement to a certain extent, also there is the lower defect of filter capacity in it.Especially, in order to improve filter capacity, this tangential flow filter often needs length to do longer, or is arranged in series multiple tangential flow filter, so all causes the increase of equipment cost and the increase of floor space, and then adds the cost of investment of enterprise.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of rotary-type tangential flow filter, this tangential flow filter under the condition not changing filter length, effectively can improve filtering rate.
For achieving the above object, the invention provides following technical scheme:
A kind of rotary-type tangential flow filter, comprise housing, rotating filter unit is provided with in described housing, described rotating filter unit comprises the rotation mounting blocks that rotatable engagement is respectively arranged on described housing two ends, between two pieces of described rotation mounting blocks, internal layer filter membrane and outer filter film are installed, the filter space that between described internal layer filter membrane and outer filter film, one, besieged city is annular, is provided with the communicating passage passed through for filtered fluid between described internal layer filter membrane and outer filter film; The upper end of described housing is provided with the motor for driving described rotating filter finite element rotation, the sidewall of described housing is provided with the inlet for inputting filtrate, the filtrate (liquid of liquid that the bottom of housing is provided with liquid outlet for exporting filtrate and obtains for output filtering.
Further, described housing comprises cylindrical outer cover and is arranged on the seal cover at described cylindrical outer cover two ends respectively, described rotation mounting blocks rotatable engagement is arranged in described cylindrical outer cover, and the seal cover being positioned at described cylindrical outer cover upper end is provided with the through hole passed through for described motor output shaft.
Further, the described rotation mounting blocks being positioned at described cylindrical outer cover lower end is provided with the filtrate corresponding with described annular filter space and portals and the fluid hole corresponding with described internal layer filter membrane; The described seal cover being positioned at described cylindrical outer cover lower end is provided with the collecting tank I corresponding with described fluid hole and portals corresponding annular collecting tank II with described filtrate, described liquid outlet is connected with described collecting tank I, and described filtrate (liquid is connected with described annular collecting tank II.
Further, the hermetically-sealed construction preventing Filtrate leakage is provided with between described rotation mounting blocks and described cylindrical outer cover inwall.
Further, described hermetically-sealed construction comprise be arranged between described cylindrical outer cover inwall with described rotation mounting blocks at least together with sealing ring.
Further, described communicating passage annular is uniform is arranged between described internal layer filter membrane and outer filter film.
Further, described communicating passage is arranged on the upper end of described internal layer filter membrane and outer filter film.
Beneficial effect of the present invention is:
Rotary-type tangential flow filter of the present invention, by arranging rotating filter unit in housing, utilize motor can drive rotating filter finite element rotation, during filtration, liquid to be filtered to inject in housing through inlet and flows to communicating passage, under the effect of outer filter membrane, filtered fluid enters annular filter space; By after communicating passage liquid to be filtered enter in internal layer filter membrane, the filtered fluid filtered through internal layer filter membrane enters annular filter space, namely rotary-type tangential flow filter of the present invention is under the condition not increasing filter length, the filter capacity that conventional filter is double can be realized, in addition, rotating filter finite element rotation is driven by arranging motor, effectively can strengthen the tangential flow velocity disturbance of liquid to be filtered in flow process and between internal layer filter membrane and outer filter film, filter capacity can be strengthened further.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearly, the invention provides following accompanying drawing and being described:
Fig. 1 is the structural representation of existing a kind of tangential flow filter;
Fig. 2 is the structural representation of the rotary-type tangential flow filter embodiment of the present invention;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the structural representation of the seal cover being positioned at housing lower end.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figure 2, be the structural representation of the rotary-type tangential flow filter embodiment of the present invention.The rotary-type tangential flow filter of the present embodiment, comprises housing, is provided with rotating filter unit in housing.Rotating filter unit comprises the rotation mounting blocks 1 that rotatable engagement is respectively arranged on housing two ends, between two pieces of rotation mounting blocks 1, internal layer filter membrane 2 and outer filter film 3 are installed, the filter space 4 that between internal layer filter membrane 2 and outer filter film 3, one, besieged city is annular, is provided with the communicating passage 5 passed through for filtered fluid between internal layer filter membrane 2 and outer filter film 3.The upper end of housing is provided with the motor 6 for driving rotating filter finite element rotation, and the sidewall of housing is provided with the inlet 7 for inputting filtrate, the filtrate (liquid 9 of liquid that the bottom of housing is provided with liquid outlet 8 for exporting filtrate and obtains for output filtering.Communicating passage 5 annular of the present embodiment is uniform to be arranged between internal layer filter membrane 2 and outer filter film 3, and communicating passage 5 is arranged on the upper end of internal layer filter membrane 2 and outer filter film 3, can ensure that whole internal layer filter membrane 2 can contact with liquid to be filtered with outer filter film 3, improve filter capacity.
The rotary-type tangential flow filter of the present embodiment, by arranging rotating filter unit in housing, utilize motor can drive rotating filter finite element rotation, during filtration, liquid to be filtered to inject in housing through inlet and flows to communicating passage 5, under the effect of outer filter membrane 3, filtered fluid enters annular filter space 4; By after communicating passage 5 liquid to be filtered enter in internal layer filter membrane 2, the filtered fluid filtered through internal layer filter membrane 2 enters annular filter space 4, namely the rotary-type tangential flow filter of the present embodiment is under the condition not increasing filter length, can realize the filter capacity that conventional filter is double.In addition, driving rotating filter finite element rotation by arranging motor 6, effectively can strengthen the tangential flow velocity disturbance of liquid to be filtered in flow process and between internal layer filter membrane 2 and outer filter film 3, filter capacity can be strengthened further.
Further, housing comprises cylindrical outer cover 10 and is arranged on the seal cover 11 at cylindrical outer cover 10 two ends respectively, rotate mounting blocks 1 rotatable engagement to be arranged in cylindrical outer cover 10, the seal cover 11 being positioned at cylindrical outer cover 10 upper end is provided with the through hole 12 passed through for motor 6 output shaft.The rotation mounting blocks 1 being positioned at cylindrical outer cover 10 lower end is provided with the filtrate corresponding with annular filter space 5 and portals 13 and the fluid hole 14 corresponding with internal layer filter membrane 2.The seal cover 11 being positioned at cylindrical outer cover 10 lower end is provided with the collecting tank I 15 corresponding with fluid hole 14 and portals 13 corresponding annular collecting tanks II 16 with filtrate, and liquid outlet 8 is connected with collecting tank I 15, and filtrate (liquid 9 is connected with annular collecting tank II 16.Adopt housing and the rotating filter unit of this structure, the normal input and output of liquid under rotation status can be ensured.
Further, rotate between mounting blocks 1 and cylindrical outer cover 10 inwall and be provided with the hermetically-sealed construction preventing Filtrate leakage.Hermetically-sealed construction comprise be arranged on cylindrical outer cover 10 inwall with rotate between mounting blocks 1 at least together with sealing ring 17, cylindrical outer cover 10 inwall of the present embodiment and rotate between mounting blocks 1 and be provided with two seals circle.Certainly, hermetically-sealed construction also can adopt existing multiple seal form to realize, and is not repeated.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (7)
1. a rotary-type tangential flow filter, comprise housing, it is characterized in that: in described housing, be provided with rotating filter unit, described rotating filter unit comprises the rotation mounting blocks that rotatable engagement is respectively arranged on described housing two ends, between two pieces of described rotation mounting blocks, internal layer filter membrane and outer filter film are installed, the filter space that between described internal layer filter membrane and outer filter film, one, besieged city is annular, is provided with the communicating passage passed through for filtered fluid between described internal layer filter membrane and outer filter film; The upper end of described housing is provided with the motor for driving described rotating filter finite element rotation, the sidewall of described housing is provided with the inlet for inputting filtrate, the filtrate (liquid of liquid that the bottom of housing is provided with liquid outlet for exporting filtrate and obtains for output filtering.
2. rotary-type tangential flow filter according to claim 1, it is characterized in that: described housing comprises cylindrical outer cover and is arranged on the seal cover at described cylindrical outer cover two ends respectively, described rotation mounting blocks rotatable engagement is arranged in described cylindrical outer cover, and the seal cover being positioned at described cylindrical outer cover upper end is provided with the through hole passed through for described motor output shaft.
3. rotary-type tangential flow filter according to claim 2, is characterized in that: the described rotation mounting blocks being positioned at described cylindrical outer cover lower end is provided with the filtrate corresponding with described annular filter space and portals and the fluid hole corresponding with described internal layer filter membrane; The described seal cover being positioned at described cylindrical outer cover lower end is provided with the collecting tank I corresponding with described fluid hole and portals corresponding annular collecting tank II with described filtrate, described liquid outlet is connected with described collecting tank I, and described filtrate (liquid is connected with described annular collecting tank II.
4. the rotary-type tangential flow filter according to any one of claim 1-3, is characterized in that: be provided with the hermetically-sealed construction preventing Filtrate leakage between described rotation mounting blocks and described cylindrical outer cover inwall.
5. rotary-type tangential flow filter according to claim 4, is characterized in that: described hermetically-sealed construction comprise be arranged between described cylindrical outer cover inwall with described rotation mounting blocks at least together with sealing ring.
6. rotary-type tangential flow filter according to claim 1, is characterized in that: described communicating passage annular is uniform to be arranged between described internal layer filter membrane and outer filter film.
7. rotary-type tangential flow filter according to claim 6, is characterized in that: described communicating passage is arranged on the upper end of described internal layer filter membrane and outer filter film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410473873.4A CN104275019A (en) | 2014-09-17 | 2014-09-17 | Rotary type tangential flow filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410473873.4A CN104275019A (en) | 2014-09-17 | 2014-09-17 | Rotary type tangential flow filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104275019A true CN104275019A (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410473873.4A Pending CN104275019A (en) | 2014-09-17 | 2014-09-17 | Rotary type tangential flow filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104275019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108096908A (en) * | 2017-12-23 | 2018-06-01 | 郑州国知网络技术有限公司 | A kind of nonpetroleum filtering and purifying |
-
2014
- 2014-09-17 CN CN201410473873.4A patent/CN104275019A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108096908A (en) * | 2017-12-23 | 2018-06-01 | 郑州国知网络技术有限公司 | A kind of nonpetroleum filtering and purifying |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150114 |
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| WD01 | Invention patent application deemed withdrawn after publication |