CN108404675B - Internal pressure type hollow fiber membrane module - Google Patents
Internal pressure type hollow fiber membrane module Download PDFInfo
- Publication number
- CN108404675B CN108404675B CN201810291113.XA CN201810291113A CN108404675B CN 108404675 B CN108404675 B CN 108404675B CN 201810291113 A CN201810291113 A CN 201810291113A CN 108404675 B CN108404675 B CN 108404675B
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- CN
- China
- Prior art keywords
- shell
- filter element
- hollow fiber
- fiber membrane
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012528 membrane Substances 0.000 title claims abstract description 53
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000706 filtrate Substances 0.000 claims abstract description 9
- 238000005266 casting Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
- B01D63/046—Hollow fibre modules comprising multiple hollow fibre assemblies in separate housings
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to an internal pressure type hollow fiber membrane module, comprising: a housing having first edges at both ends; the filter element comprises a filter element shell and a plurality of hollow fiber membrane wires; the two ends of the filter element shell are provided with first contact surfaces; two end caps having a second edge; two collars having a second contact surface matching the first contact surface to limit axial movement of the cartridge along the housing; the collar has a third edge between the first edge and the second edge; the two clamps are detachably sleeved with a group of first edges, second edges and third edges; the clamp is disassembled, and the filter element can be pulled away from any end of the shell along the axial direction of the shell; a water inlet; a concentrate outlet; and a filtrate outlet. The hollow fiber membrane wires are internally or between the hollow fiber membrane wires to form scale, or the hollow fiber membrane wires are damaged, so that only the filter element can be replaced, and the shell, the end cover and the lantern ring can be continuously used, thereby reducing the cost. And after the clamp is disassembled, the filter element can be pulled away from any end of the shell, so that the operation is convenient.
Description
Technical Field
The invention relates to the field of water purification, in particular to an internal pressure type hollow fiber membrane component.
Background
The membrane separation technology has been widely used for water purification treatment, and a common membrane separation device includes a hollow fiber membrane module composed of hollow fiber membrane filaments as cores.
Generally, hollow fiber membrane modules are classified into internal pressure type and external pressure type according to operation modes. Wherein the internal pressure type common form is that the hollow fiber membrane wires and the shell are manufactured into an integral structure. Because of long-term use, scale formation in the hollow fiber membrane wires or among the hollow fiber membrane wires is easy to cause, or the hollow fiber membrane wires are damaged, so that damage or defects which cannot be repaired are caused, and the whole hollow fiber membrane assembly is usually required to be replaced, so that the cost is increased, and waste is caused.
Disclosure of Invention
Based on this, it is necessary to provide an internal pressure type hollow fiber membrane module in which a filter cartridge is replaceable to reduce costs.
An internal pressure type hollow fiber membrane module comprising:
The shell is cylindrical, and the two ends of the shell are provided with first edges;
the filter element is arranged in the shell and comprises a filter element shell and a plurality of hollow fiber membrane wires fixedly arranged in the filter element shell, and first contact surfaces are arranged at two ends of the filter element shell;
The two end covers are respectively arranged at two ends of the shell and are provided with second edges;
The two lantern rings are respectively arranged at two ends of the shell and positioned between the shell and the end cover; the collar having a second contact surface that mates with the first contact surface to limit axial movement of the cartridge along the housing; the collar has a third edge between the first edge and the second edge;
The two clamps are respectively used for detachably sleeving and clamping one group of the first edge, the second edge and the third edge so as to fixedly seal the end cover, the lantern ring and the shell; after the clamp is disassembled, the filter element can be pulled away from any end of the shell along the axial direction of the shell;
The water inlet is formed in one end cover;
The concentrated liquid outlet is arranged on the other end cover;
and a filtrate outlet provided on one of the end caps or the housing.
Above-mentioned interior pressure type hollow fiber membrane module, the clamp can be dismantled, dismantles the clamp after, and the filter core can be taken out in the shell. Therefore, the hollow fiber membrane wires are internally or between the hollow fiber membrane wires or the hollow fiber membrane wires are damaged, the filter element can be replaced, the shell, the end cover and the lantern ring can be used continuously, and the cost is reduced. And after the clamp is disassembled, the filter element can be pulled away from any end of the shell, so that the operation is convenient.
In one embodiment, the first contact surface is located on an outer sidewall of the cartridge housing.
In one embodiment, the cartridge housing is cylindrical, and the first contact surface includes a conical first section having a smaller cross-sectional area at an end of the first section proximate the cartridge housing end face than at an end of the first section distal from the cartridge housing end face.
In one embodiment, the first contact surface further comprises a second segment which is connected with the first segment and is cylindrical, and the second segment is located at a position, close to the end face of the filter element shell, of the first segment.
In one embodiment, the second section of the first contact surface is provided with an annular groove, and an annular sealing ring is arranged in the annular groove to realize sealing between the filter element shell and the lantern ring.
In one embodiment, the filter element shell and the two ends of the hollow fiber membrane wire are adhered and fixed through casting materials.
In one embodiment, a plurality of through holes are formed in the side wall of the filter element shell.
In one embodiment, the through holes are uniformly distributed on the side wall of the cartridge housing.
In one embodiment, the sum of the sectional areas of the through holes is larger than the sectional area of the water inlet.
In one embodiment, the edge of the via is in the range of 2-100mm from the casting material.
Drawings
Fig. 1 is a schematic structural view of an internal pressure type hollow fiber membrane module according to an embodiment of the present invention.
Fig. 2 is a schematic view of the cartridge of fig. 1.
Fig. 3 is a schematic structural view of the collar in fig. 1.
Fig. 4 is a schematic structural view of an internal pressure type hollow fiber membrane module according to another embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 3, an internal pressure type hollow fiber membrane module 100 according to an embodiment of the present invention includes a housing 110, a filter element 120 disposed in the housing, two end caps 130 disposed at two ends of the housing 110, two collars 140 disposed at two ends of the housing 110 and between the housing 110 and the end caps 130, two clips 150, a water inlet 160 disposed on one end cap 130, a concentrate outlet 170 disposed on the other end cap 130, and a filtrate outlet 180.
In this embodiment, the structures of the two end caps 130 are not identical, but the structures of the two end caps 130 at the connection points with the collar 140 and the housing 110 are identical.
The filter element 120 comprises a filter element housing 121 and a plurality of hollow fiber membrane filaments 123 fixedly arranged in the filter element housing 121. The cartridge housing 121 is provided with a first contact surface 1211 at both ends. Collar 140 has a second contact surface 141 that mates with first contact surface 1211 to limit axial movement of cartridge 120 along housing 110.
The housing 110 has a cylindrical shape and has first edges 111 at both ends. End cap 130 has a second edge 131. Collar 140 has a third edge 143. Wherein the third edge 143 is located between the first edge 111 and the second edge 131. The two clips 150 are used to detachably engage with the first edge 111, the second edge 131, and the third edge 143, respectively, to fix the seal end cap 130, the collar 140, and the housing 110. Upon removal of the collar 150, the cartridge 120 can be withdrawn axially from either end of the housing 110 along the housing 110.
The clamp 150 of the internal pressure type hollow fiber membrane module 100 is detachable. After removal of the collar 150, the cartridge 120 can be withdrawn from the housing 110. Therefore, the hollow fiber membrane wires 123 are scaled or the hollow fiber membrane wires 123 are broken, so that only the filter element 120 can be replaced, and the housing 110, the end cover 130 and the collar 140 can be used continuously, thereby reducing the cost. And after the clamp 150 is disassembled, the filter element 120 can be pulled away from any end of the shell 110, so that the operation is convenient.
Specifically, in this embodiment, the first contact surface 1211 is located on the outer sidewall of the cartridge housing 121. Correspondingly, the second contact surface 141 is located on the inner sidewall of the collar 140.
More specifically, in this embodiment, the cartridge housing 121 is cylindrical and the first contact surface 1211 includes a conical first segment 1212. The cross-sectional area of the end of the first segment 1212 proximate to the end face of the cartridge housing 121 is smaller than the cross-sectional area of the end of the first segment 1212 distal to the end face of the cartridge housing 121. Accordingly, the second contact surface 141 includes a third section 1411 that is conical and mates with the first section 1212.
Thus, the conical third section 1411 provided on the inner sidewall of the collar 140 allows the end of the collar 140 remote from the end face of the cartridge housing 121 to be annular in shape. During installation, the annular bevel-shaped end of the collar 140 is conveniently and rapidly inserted between the shell 110 and the filter element shell 121, and the filter element 120 can be firmly fixed in the shell 110, so that the distance between the shell 110 and the filter element shell 121 is ensured.
Further, in this embodiment, the first contact surface 1211 further includes a second section 1214 that is cylindrical and engages the first section 1212. The second section 1214 is located in the first section 1212 near the end face of the cartridge housing 121. Correspondingly, the second contact surface 141 further comprises a fourth segment 1413 which is cylindrical and matches the second segment 1214. In this way, the collar 140 can better control the position of the cartridge housing 121 in the housing 110, and the bent first contact surface 1211 and the second contact surface 141 can better enhance the tightness between the collar 140 and the cartridge housing 121.
In this embodiment, the second section 1214 of the first contact surface 1211 is provided with an annular recess 1213. An annular seal ring 190 is disposed within the annular recess 1213 to provide a seal between the cartridge housing 121 and the collar 140. Of course, the location of the annular recess 1213 may also be provided on the first section 1212, or recesses may be provided on both the first section 1212 and the second section 1214.
Likewise, the seal between collar 140 and housing 110, and between collar and end cap 130, are in the same manner. For example, an annular groove 145 is provided on an abutting surface of the collar 140 abutting against the inner side wall of the housing 110, and an annular seal ring 190 is provided in the groove 145, so that the collar 140 and the housing 110 are sealed.
Of course, the seal between the cartridge housing 121 and the collar 140 may be achieved in other ways, such as adding a gasket between the cartridge housing 121 and the collar 140, etc.
In this embodiment, the filter element housing 121 and the two ends of the hollow fiber membrane filaments 123 are bonded and fixed by the casting material 125.
In this embodiment, the side wall of the filter element housing 121 is provided with a plurality of through holes 1215, so that water in a part of the filter element housing 121 flows to the outer side of the filter element housing, the water pressure born by the filter element housing 121 is slowed down, the filter element housing 121 is prevented from being deformed under pressure, and the service life of the filter element housing 121 is prolonged.
Preferably, the vias 1215 are uniformly and symmetrically distributed on the sidewall of the cartridge housing 121. So that the water pressure born by the cartridge housing 121 is uniform throughout.
More preferably, the sum of the sectional areas of the plurality of through holes 1215 is larger than the sectional area of the water inlet 160, so that the water in the filter element housing 121 can be quickly discharged, and the situation that the water pressure born by the filter element housing 121 is instantaneously increased can be avoided.
Preferably, the edge of the via 1215 is spaced from the casting material 125 by a distance in the range of 2-100mm. Thus, the overall structural strength of the filter element housing 121 can be ensured, and water in the filter element housing 121 can flow out of the filter element housing 121 as soon as possible.
In this embodiment, the filter element 120 has a vertically symmetrical structure, which is convenient for installation. Accordingly, the construction of the two collars 140 is also identical.
Of course, the structure of the filter element 120 may not be completely symmetrical, for example, the first section 1212 and the second section 1214 may be different in size, and the corresponding structure of the collar 140 may be changed to achieve the purposes of cost reduction and easy disassembly.
When the internal pressure type hollow fiber membrane module 100 is in operation, the stock solution enters from the water inlet 160, passes through the hollow fiber membrane filaments 123, permeates through the membrane walls of the hollow fiber membrane filaments 123 to form filtrate, and is discharged through the filtrate outlet 180. The dope which does not permeate the membrane walls of the hollow fiber membrane filaments 123 is formed into a dope and discharged from the dope outlet 170.
As shown in fig. 4, another embodiment of the present invention provides an internal pressure type hollow fiber membrane module 200, which is different from the internal pressure type hollow fiber membrane module 100 in that a filtrate outlet 280 is provided at a housing 210. While the water inlet 260 and concentrate outlet 270 remain disposed on the end cap 230. In this embodiment, the end cap 230 has the same structure.
In other embodiments, the filtrate outlet may be provided on the same end cap as the water inlet, or on both end caps. When the filtrate outlets are provided on both end caps, one may be optionally used as needed, or both may be used at the same time.
Above-mentioned interior pressure type hollow fiber membrane module, the clamp can be dismantled, dismantles the clamp after, and the filter core can be taken out in the shell. Therefore, the hollow fiber membrane wires are internally or between the hollow fiber membrane wires or the hollow fiber membrane wires are damaged, the filter element can be replaced, the shell, the end cover and the lantern ring can be used continuously, and the cost is reduced. And after the clamp is disassembled, the filter element can be pulled away from any end of the shell, so that the operation is convenient.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (5)
1. An internal pressure type hollow fiber membrane module, comprising:
The shell is cylindrical, and the two ends of the shell are provided with first edges;
the filter element is arranged in the shell and comprises a filter element shell and a plurality of hollow fiber membrane wires fixedly arranged in the filter element shell, and first contact surfaces are arranged at two ends of the filter element shell;
The two end covers are respectively arranged at two ends of the shell and are provided with second edges;
The two lantern rings are respectively arranged at two ends of the shell and positioned between the shell and the end cover; the collar having a second contact surface that mates with the first contact surface to limit axial movement of the cartridge along the housing; the collar has a third edge between the first edge and the second edge;
The two clamps are respectively used for detachably sleeving and clamping one group of the first edge, the second edge and the third edge so as to fixedly seal the end cover, the lantern ring and the shell; after the clamp is disassembled, the filter element can be pulled away from any end of the shell along the axial direction of the shell;
The water inlet is formed in one end cover;
The concentrated liquid outlet is arranged on the other end cover;
and a filtrate outlet provided on the end cap or the housing;
The first contact surface is positioned on the outer side wall of the filter element shell; the filter element shell is cylindrical, the first contact surface comprises a conical first section, and the cross sectional area of one end of the first section, which is close to the end face of the filter element shell, is smaller than that of one end of the first section, which is far away from the end face of the filter element shell; the second contact surface comprises a third section which is conical and matched with the first section;
The first contact surface also comprises a second section which is connected with the first section and is cylindrical, and the second section is positioned at a position of the first section, which is close to the end face of the filter element shell; the second section of the first contact surface is provided with an annular groove, and an annular sealing ring is arranged in the annular groove so as to realize the sealing between the filter element shell and the lantern ring; the second contact surface also comprises a fourth section which is cylindrical and matched with the second section;
the filter element shell is fixedly bonded with the two ends of the hollow fiber membrane wires through casting materials.
2. The internal pressure type hollow fiber membrane module according to claim 1, wherein a plurality of through holes are provided on a side wall of the cartridge housing.
3. The internal pressure hollow fiber membrane module according to claim 2, wherein the through holes are uniformly distributed on the side wall of the cartridge housing.
4. The internal pressure type hollow fiber membrane module according to claim 2, wherein a sum of sectional areas of the plurality of through holes is larger than a sectional area of the water inlet.
5. The internal pressure type hollow fiber membrane module according to claim 2, wherein a distance from the edge of the via hole to the casting material ranges from 2 to 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810291113.XA CN108404675B (en) | 2018-04-03 | 2018-04-03 | Internal pressure type hollow fiber membrane module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810291113.XA CN108404675B (en) | 2018-04-03 | 2018-04-03 | Internal pressure type hollow fiber membrane module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108404675A CN108404675A (en) | 2018-08-17 |
| CN108404675B true CN108404675B (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810291113.XA Active CN108404675B (en) | 2018-04-03 | 2018-04-03 | Internal pressure type hollow fiber membrane module |
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| Country | Link |
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| CN (1) | CN108404675B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125947A (en) * | 2020-08-17 | 2020-12-25 | 赣州禾绿康健生物技术有限公司 | Method and equipment for removing plasticizer from ginsenoside extract |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005224796A (en) * | 2004-01-14 | 2005-08-25 | Toray Ind Inc | Hollow fiber membrane module and exchange method for its cartridge |
| CN200954418Y (en) * | 2006-09-25 | 2007-10-03 | 苏州立升膜分离科技有限公司 | Portable water purifier |
| CN202270483U (en) * | 2011-10-12 | 2012-06-13 | 谢海腾 | Quick demounting type hollow fiber membrane module |
| CN202356028U (en) * | 2011-11-16 | 2012-08-01 | 曾一鸣 | External pressure type hollow fiber membrane filter with detachable filter element |
| CN203281228U (en) * | 2013-03-19 | 2013-11-13 | 苏州信望膜技术有限公司 | Hollow-fibre membrane component with replaceable membrane core |
| CN204996339U (en) * | 2015-09-28 | 2016-01-27 | 上海一途膜分离技术有限公司 | Improved generation health level hollow fiber filtration membrane group spare |
| CN208212910U (en) * | 2018-04-03 | 2018-12-11 | 苏州立升膜分离科技有限公司 | Inner pressed hollow fiber film assembly |
-
2018
- 2018-04-03 CN CN201810291113.XA patent/CN108404675B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005224796A (en) * | 2004-01-14 | 2005-08-25 | Toray Ind Inc | Hollow fiber membrane module and exchange method for its cartridge |
| CN200954418Y (en) * | 2006-09-25 | 2007-10-03 | 苏州立升膜分离科技有限公司 | Portable water purifier |
| CN202270483U (en) * | 2011-10-12 | 2012-06-13 | 谢海腾 | Quick demounting type hollow fiber membrane module |
| CN202356028U (en) * | 2011-11-16 | 2012-08-01 | 曾一鸣 | External pressure type hollow fiber membrane filter with detachable filter element |
| CN203281228U (en) * | 2013-03-19 | 2013-11-13 | 苏州信望膜技术有限公司 | Hollow-fibre membrane component with replaceable membrane core |
| CN204996339U (en) * | 2015-09-28 | 2016-01-27 | 上海一途膜分离技术有限公司 | Improved generation health level hollow fiber filtration membrane group spare |
| CN208212910U (en) * | 2018-04-03 | 2018-12-11 | 苏州立升膜分离科技有限公司 | Inner pressed hollow fiber film assembly |
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| Publication number | Publication date |
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| CN108404675A (en) | 2018-08-17 |
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