CN104275021A - Rotary type filtration unit - Google Patents
Rotary type filtration unit Download PDFInfo
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- CN104275021A CN104275021A CN201410473753.4A CN201410473753A CN104275021A CN 104275021 A CN104275021 A CN 104275021A CN 201410473753 A CN201410473753 A CN 201410473753A CN 104275021 A CN104275021 A CN 104275021A
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- filtrate
- filter
- rotary
- tangential flow
- mounting blocks
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Abstract
The invention discloses a rotary type filtration unit. The rotary type filtration unit comprises a filtrate box body used for storing filtrate and a tangential flow filter used for filtering the filtrate, wherein the tangential flow filter comprises a shell body; the shell body is internally provided with a rotary filtration unit; the rotary filtration unit comprises rotary mounting blocks which are respectively mounted at two ends of the shell body in a rotary matching manner; an inner-layer filtration membrane and an outer-layer filtration membrane are mounted between the two rotary mounting blocks; an annular filtration space is formed by the inner-layer filtration membrane and the outer-layer filtration membrane in an enclosing manner; a communication channel for passing of the filtrate is formed between the inner filtration membrane and the outer filtration membrane; a motor used for driving the rotary filtration unit to rotate is arranged at the upper end of the shell body; a filtrate inlet used for inputting the filtrate is formed in the side wall of the shell body; a filtrate outlet used for outputting the filtrate and a filtrate outlet used for outputting the filtered liquid are formed in the bottom of the shell body; a filtrate feeding pipe connected with the filtrate inlet and a filtrate returning pipe connected with the filtrate outlet are arranged between the filtrate box body and the tangential flow filter; and a filtrate feeding pump is arranged on the filtrate feeding pipe.
Description
Technical field
The invention belongs to liquid filtering technical field, be specifically related to a kind of rotary-type filter element.
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 the filter element of this this tangential flow filter of employing can meet filtering requirement to a certain extent, also there is the defect that filter efficiency is lower.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 filter element, this rotary-type filter element 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 filter element, comprises for storing the filtrate casing of filtrate and the tangential flow filter for filter liquor;
Described tangential flow filter comprises 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;
Described filtrate casing to be connected with described inlet and for the filtration feed tube that the filtrate in described filtrate casing injected described tangential flow filter be connected with described liquid outlet and be used for filtrate residual after filtering through described tangential flow filter to pass back into the filtration liquid back pipe of described filtrate casing, described filtration feed tube is provided with liquid feeding pump with being provided with between described tangential flow filter.
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 filter element of the present invention, by arranging rotating filter unit in tangential flow filter, 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 filter element 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 efficiency can be strengthened further; Filtering feed tube and filtered fluid liquid back pipe by arranging between filtrate casing and tangential flow filter, the filtration cycle of filtered fluid can be realized, ensure the abundant filtration of filtrate.
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 filter element embodiment of the present invention;
Fig. 3 is the structural representation of tangential flow filter;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the structural representation of the seal cover being positioned at housing lower end.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described, can better understand the present invention and can be implemented, but illustrated embodiment is not as a limitation of the invention to make those skilled in the art.
As shown in Figure 2, be the structural representation of the rotary-type filter element embodiment of the present invention.The rotary-type filter element of the present embodiment, comprises the filtrate casing 1 for storing filtrate and the tangential flow filter 2 for filter liquor.Tangential flow filter 2 comprises housing 3, rotating filter unit is provided with in housing 3, rotating filter unit comprises the rotation mounting blocks 4 that rotatable engagement is respectively arranged on housing 3 two ends, between two pieces of rotation mounting blocks 4, internal layer filter membrane 5 and outer filter film 6 are installed, the filter space 7 that between internal layer filter membrane 5 and outer filter film 6, one, besieged city is annular, is provided with the communicating passage 8 passed through for filtered fluid between internal layer filter membrane 5 and outer filter film 6.The upper end of housing 3 is provided with the motor 9 for driving rotating filter finite element rotation, the sidewall of housing 3 is provided with the inlet 10 for inputting filtrate, the filtrate (liquid 12 of liquid that the bottom of housing 3 is provided with liquid outlet 11 for exporting filtrate and obtains for output filtering.
Be provided with between filtrate casing 1 with tangential flow filter 2 and be connected with inlet 10 and for the filtration feed tube 13 that the filtrate in filtrate casing 1 injected tangential flow filter 2 be connected with liquid outlet 11 and be used for residual filtrate after filtering through tangential flow filter 2 to pass back into the filtration liquid back pipe 14 of filtrate casing 1, filter feed tube 13 and be provided with liquid feeding pump 15.
The rotary-type filter element of the present embodiment, by arranging rotating filter unit in tangential flow filter 2, utilize motor 9 can drive rotating filter finite element rotation, during filtration, liquid to be filtered to inject in housing 3 through inlet 10 and flows to communicating passage, under the effect of outer filter membrane 6, filtered fluid enters annular filter space 7; By after communicating passage 8 liquid to be filtered enter in internal layer filter membrane 5, the filtered fluid filtered through internal layer filter membrane 5 enters annular filter space 7, namely the rotary-type filter element of the present embodiment 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 9, effectively can strengthen the tangential flow velocity disturbance of liquid to be filtered in flow process and between internal layer filter membrane 5 and outer filter film 6, filter efficiency can be strengthened further; Filtering feed tube 13 and filtered fluid liquid back pipe 14 by arranging between filtrate casing 1 and tangential flow filter 2, the filtration cycle of filtered fluid can be realized, ensure the abundant filtration of filtrate.
Further, housing 3 comprises cylindrical outer cover 3a and is arranged on the seal cover 3b at cylindrical outer cover 3a two ends respectively, rotate mounting blocks 4 rotatable engagement to be arranged in cylindrical outer cover 3a, the seal cover 3b being positioned at cylindrical outer cover 3a upper end is provided with the through hole 16 passed through for motor 9 output shaft.The rotation mounting blocks 4 being positioned at cylindrical outer cover 3a lower end is provided with the filtrate corresponding with annular filter space 7 and portals 17 and the fluid hole 18 corresponding with internal layer filter membrane 5.The seal cover 3b being positioned at cylindrical outer cover 3a lower end is provided with the collecting tank I 19 corresponding with fluid hole 18 and portals 17 corresponding annular collecting tanks II 20 with filtrate, and liquid outlet 11 is connected with described collecting tank I 19, and filtrate (liquid 12 is connected with annular collecting tank II 20.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 4 and cylindrical outer cover 3a inwall and be provided with the hermetically-sealed construction preventing Filtrate leakage.The hermetically-sealed construction of the present embodiment comprise be arranged on cylindrical outer cover 3a inwall with rotate between mounting blocks 4 at least together with sealing ring 21, the cylindrical outer cover 3a inwall of the present embodiment and rotate between mounting blocks 4 and be provided with two seals circle 21.Certainly, hermetically-sealed construction also can adopt existing multiple seal form to realize, and is not repeated.
Further, communicating passage 8 annular is uniform to be arranged between internal layer filter membrane 5 and outer filter film 6, and communicating passage 8 is arranged on the upper end of internal layer filter membrane 5 and outer filter film 6.Can ensure that whole internal layer filter membrane 5 can contact with liquid to be filtered with outer filter film 6, improve filter capacity.
The above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (7)
1. a rotary-type filter element, is characterized in that: comprise for storing the filtrate casing of filtrate and the tangential flow filter for filter liquor;
Described tangential flow filter comprises 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;
Described filtrate casing to be connected with described inlet and for the filtration feed tube that the filtrate in described filtrate casing injected described tangential flow filter be connected with described liquid outlet and be used for filtrate residual after filtering through described tangential flow filter to pass back into the filtration liquid back pipe of described filtrate casing, described filtration feed tube is provided with liquid feeding pump with being provided with between described tangential flow filter.
2. rotary-type filter element 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 filter element 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 filter element 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 filter element 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 filter element 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 filter element 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 |
|---|---|---|---|
| CN201410473753.4A CN104275021A (en) | 2014-09-17 | 2014-09-17 | Rotary type filtration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410473753.4A CN104275021A (en) | 2014-09-17 | 2014-09-17 | Rotary type filtration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104275021A true CN104275021A (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410473753.4A Pending CN104275021A (en) | 2014-09-17 | 2014-09-17 | Rotary type filtration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104275021A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108043094A (en) * | 2018-01-22 | 2018-05-18 | 武汉正天成生物科技有限公司 | Membrane filter system |
-
2014
- 2014-09-17 CN CN201410473753.4A patent/CN104275021A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108043094A (en) * | 2018-01-22 | 2018-05-18 | 武汉正天成生物科技有限公司 | Membrane filter system |
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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 |