CN107158951B - Ultrafiltration filter element assembly - Google Patents
Ultrafiltration filter element assembly Download PDFInfo
- Publication number
- CN107158951B CN107158951B CN201710408038.6A CN201710408038A CN107158951B CN 107158951 B CN107158951 B CN 107158951B CN 201710408038 A CN201710408038 A CN 201710408038A CN 107158951 B CN107158951 B CN 107158951B
- Authority
- CN
- China
- Prior art keywords
- end cover
- filter element
- water
- cylinder body
- ultrafiltration
- 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.)
- Active
Links
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000012528 membrane Substances 0.000 claims abstract description 52
- 238000000746 purification Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 239000004831 Hot glue Substances 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004907 flux Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 210000002310 elbow joint Anatomy 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the field of water purification equipment, and discloses an ultrafiltration filter element assembly which comprises a filter element cylinder (1), wherein the upper end and the lower end of the filter element cylinder (1) are respectively connected with an upper end cover (2) and a lower end cover (3), and the upper end cover (2) and the upper end of the filter element cylinder (1) as well as the lower end of the lower end cover (3) and the filter element cylinder (1) are connected through a hoop (4). The invention realizes the assembly of the filter element cylinder body (1) through the form of the hoop (4), effectively enhances the assembly strength of the whole ultrafiltration filter element, can furthest increase the water passing amount of the ultrafiltration membrane, has better filtering effect, can reach more excellent filtering state, and is suitable for supplying water to a water supply system of a household central water purifier.
Description
Technical Field
The invention relates to the field of water purification equipment, in particular to an ultrafiltration filter element assembly used on a household full-house purified water or commercial central water purifier.
Background
With the development of water purification technology, the use requirements of people on drinking water are increasingly improved, and the whole-house water purification becomes a scheme selected by middle-high-end family users in the field of domestic water purification. Wherein the central water purifier among the whole house water purification system receives each water purifier manufacturer's attention more and more, and in the high-end user central water purifier first as its selection of filling use ultrafiltration filter core, make municipal tap water just can reach straight drinking water through filtering through ultrafiltration filter core.
However, because the water quality of China is relatively complex, the existing ultrafiltration filter core is difficult to meet the large-flux requirement of the whole house for purifying water when a home user decorates.
Disclosure of Invention
The invention provides an ultrafiltration filter core component aiming at the problem that an ultrafiltration filter core in the prior art is difficult to meet the requirement of large flux of full-house purified water.
In order to solve the technical problem, the invention is solved by the following technical scheme:
the ultrafiltration filter element component comprises a filter element barrel, wherein the upper end and the lower end of the filter element barrel are respectively connected with an upper end cover and a lower end cover, and the upper end cover is connected with the upper end of the filter element barrel and the lower end of the lower end cover is connected with the lower end of the filter element barrel through anchor ears.
Preferably, the upper end cover and the lower end cover are both connected with water pipe connectors, one ends of the water pipe connectors are embedded into the upper end cover or the lower end cover, and external threads are arranged on the outer surface of the other ends of the water pipe connectors. The connection between the water pipe and the ultrafiltration filter core is realized in a threaded mode, so that the connection and the disassembly are quick and convenient.
As preferred, the middle part of upper end cover and lower end cover all is equipped with the centre bore with the inside intercommunication of filter core barrel, and upper end cover and lower end cover all including being located linkage segment and seal segment, and the diameter of linkage segment is greater than the diameter of seal segment, makes linkage segment and seal segment junction form the tang platform.
Preferably, the upper end and the lower end of the filter element cylinder are respectively provided with a flange, the flange positioned at the upper end of the filter element cylinder abuts against the spigot platform of the upper end cover, and the flange positioned at the lower end of the filter element cylinder abuts against the spigot platform of the lower end cover. Through the setting of this tang platform, realize the spacing installation to upper end cover and lower end cover, the filter core barrel about both ends when contacting with the tang platform, the upper and lower end cover installation promptly targets in place, effectively improves the installation effectiveness and the installation degree of accuracy of whole filter core barrel.
Preferably, the hoop comprises an annular band-shaped hoop body and an annular reinforcing rib with a U-shaped cross section, the annular reinforcing rib is arranged on the inner wall of the hoop body, an annular clamping groove is formed in the outer wall of the connecting section, one side wall of the annular reinforcing rib is clamped into the annular clamping groove, and a flanging flange is fixed on the other side of the annular reinforcing rib. The arrangement of the annular reinforcing ribs can improve the structural strength of the whole hoop and further enhance the connection stability of the hoop; on the other hand, the side wall of the annular reinforcing rib is clamped into the annular clamping groove of the end cover to realize limiting, and the side wall of the annular reinforcing rib is matched with the annular clamping groove to wrap and fix the flanging flange on the filter element cylinder body in the annular reinforcing rib, and the upper part and the lower part are limited and fixed, so that the connection stability and the connection strength of the hoop are fully ensured.
Preferably, the outer wall of the sealing section is provided with two annular sealing grooves which are arranged in parallel, and annular sealing rings are arranged in the annular sealing grooves. The sealing performance between the end cover and the filter element cylinder body can be greatly improved through the double-sealing mode.
Preferably, the side walls of the upper end cover and the lower end cover are both provided with inwards concave screwdriver raised openings. The screwdriver perk mouth makes things convenient for the screwdriver application of force, makes things convenient for the end cover to take off, solves the end cover and takes off the problem of difficulty after packing into.
Preferably, the filter element assembly is arranged in the filter element cylinder, and a water passing gap is reserved between the filter element assembly and the filter element cylinder; the filter element assembly comprises a membrane tube and ultrafiltration membrane filaments arranged in the membrane tube, an upper filter element end cover and a lower filter element end cover are respectively arranged at the upper end and the lower end of the membrane tube, the upper filter element end cover is connected with the upper end cover, the lower filter element end cover is connected with the lower end cover, a water inlet hole communicated with a central hole in the upper end cover is formed in the upper filter element end cover, and a water outlet hole communicated with the lower end cover is formed in the lower filter element end cover.
Preferably, the upper end cover and the lower end cover are both provided with connecting sleeves, and the upper end of the upper filter element end cover and the lower end of the lower filter element end cover are respectively inserted into the connecting sleeves of the upper end cover and the lower end cover and are sealed through O-shaped sealing rings.
Preferably, a plurality of water passing holes are uniformly distributed on the side wall of the membrane tube from top to bottom, and the lower filter element end cover is sleeved at the bottom of the membrane tube and is in sealing connection with the outer wall of the membrane tube.
Preferably, the ultrafiltration membrane filaments are PVDF membranes and are bonded in the membrane tubes through hot melt adhesives.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:
the invention realizes the assembly of the filter element cylinder by the hoop, effectively enhances the assembly strength of the whole ultrafiltration filter element, can furthest increase the water passing amount of the ultrafiltration membrane, has better filtering effect, can reach more excellent filtering state, and is suitable for supplying water to a water supply system of a household central water purifier.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a cross-sectional view of fig. 1.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of a portion B in fig. 3.
Fig. 6 is a schematic view of the structure of the upper end cap of fig. 2.
Fig. 7 is a schematic structural view of the lower end cap of fig. 2.
Fig. 8 is a schematic view of the filter cartridge assembly of fig. 1.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-filter element cylinder, 2-upper end cover, 3-lower end cover, 4-staple, 5-water pipe joint, 6-filter element group, 101-centre bore, 102-linkage segment, 103-seal segment, 104-tang platform, 105-turn-ups flange, 106-ring groove, 107-ring seal groove, 108-ring seal circle, 109-screwdriver perk mouth, 110-O shape sealing washer, 41-staple body, 42-ring strengthening rib, 61-membrane tube, 62-ultrafiltration membrane silk, 63-upper filter element end cover, 64-lower filter element end cover, 65-inlet opening, 66-apopore, 67-water hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
An ultrafiltration filter core assembly 6, as shown in fig. 1-8, comprises a filter core barrel 1, wherein the upper end and the lower end of the filter core barrel 1 are respectively connected with an upper end cover 2 and a lower end cover 3, the upper end cover 2 and the lower end cover 3 are both connected with a water pipe joint 5, one end of the water pipe joint 5 is embedded and connected into the upper end cover 2 or the lower end cover 3, the outer surface of the other end is provided with external threads, and one water pipe joint 5 connected onto the upper end cover 2 is in a straight barrel shape; the two water pipe joints 5 connected to the lower end cover 3 are straight pipe joints, and the other is an L-shaped elbow joint.
The upper end cover 2 is connected with the upper end of the filter element cylinder body 1, and the lower end cover 3 is connected with the lower end of the filter element cylinder body 1 through a hoop 4. Wherein, the middle parts of the upper end cover 2 and the lower end cover 3 are respectively provided with a central hole 101 communicated with the interior of the filter element cylinder body 1, and the water pipe joints 5 positioned on the upper end cover 2 and the lower end cover 3 are respectively communicated with the central holes 101.
The upper end cover 2 and the lower end cover 3 both comprise a connecting section 102 and a sealing section 103, wherein the diameter of the connecting section 102 is larger than that of the sealing section 103, so that a seam allowance platform 104 is formed at the joint of the connecting section 102 and the sealing section 103. The upper end and the lower end of the filter element cylinder body 1 are respectively provided with a flange 105, the flange 105 at the upper end of the filter element cylinder body 1 is propped against the seam allowance platform 104 of the upper end cover 2, and the flange 105 at the lower end of the filter element cylinder body 1 is propped against the seam allowance platform 104 of the lower end cover 3. The hoop 4 comprises an annular banding hoop body 41 and an annular reinforcing rib 42 which is arranged on the inner wall of the hoop body 41 and has a U-shaped cross section, one side of the hoop body 41 is open, the open end is connected with the hoop body through a fastening bolt, and the hoop 4 is shrunk and amplified through the fastening of the bolt, so that the connection stability and the sealing performance are ensured. An annular clamping groove 106 is formed in the outer wall of the connecting section 102, one side wall of the annular reinforcing rib 42 is clamped into the annular clamping groove 106, and the other side wall of the annular reinforcing rib is fixed with the flanging flange 105. When the spigot platform 104 of the upper end cover 2 is abutted to the flange of the filter element cylinder 1, that is, the upper end cover 2 of the cylinder is put in place, at the moment, the upper end cover 2 and the lower end cover 3 are respectively and firmly fixed at two ends of the filter element cylinder 1 through the hoops 4. Because the hoop 4 is provided with the U-shaped annular reinforcing rib 42, the U-shaped annular reinforcing rib plays roles of up-and-down fixing and surrounding wrapping fixing under the rotation action of the annular clamping groove 106, and the stability of connection between the end cover and the filter element cylinder body 1 is fully ensured.
Two annular seal grooves 107 which are arranged in parallel are arranged on the outer wall of the seal section 103, and an annular seal ring 108 is arranged in each annular seal groove 107, so that the upper end cover 2 and the filter element cylinder body 1 as well as the lower end cover 3 and the filter element cylinder body 1 are sealed. The double sealing rings are adopted for sealing, so that the sealing is more reliable, the sealing performance is greatly improved, and the water leakage condition of the cylinder body caused by untight sealing is effectively prevented.
In this embodiment, the side walls of the upper end cap 2 and the lower end cap 3 are both provided with an inwardly concave screwdriver raised opening 109. The screwdriver cocked port 109 can facilitate the application of force by a screwdriver and the removal of an end cover, and solves the problem that the end cover is difficult to remove after being installed.
A filter element assembly 6 is arranged in the filter element cylinder 1, and a water passing gap is reserved between the filter element assembly 6 and the filter element cylinder 1; the filter element assembly 6 comprises a membrane tube 61 and ultrafiltration membrane filaments 62 arranged in the membrane tube 61, wherein the ultrafiltration membrane filaments 62 in the embodiment are PVDF membranes, are bonded in the membrane tube 61 through hot melt adhesives, and are formed by cutting and flattening the end face so as to ensure that filtered water has a good water flux.
The upper end and the lower end of the membrane tube 61 are respectively provided with an upper filter element end cover 63 and a lower filter element end cover 64, the upper filter element end cover 63 is connected with the upper end cover 2, the lower filter element end cover 64 is connected with the lower end cover 3, the upper filter element end cover 63 is provided with a water inlet hole 65 communicated with a central hole 101 in the upper end cover 2, and the lower filter element end cover 64 is provided with a water outlet hole 66 communicated with the lower end cover 3. The upper end cover 2 and the lower end cover 3 are both provided with a connecting sleeve 109, and the upper end of the upper filter element end cover 63 and the lower end of the lower filter element end cover 64 are respectively inserted into the connecting sleeves 109 of the upper end cover 2 and the lower end cover 3 and sealed by an O-shaped sealing ring 110. A plurality of water holes 67 of crossing are evenly distributed to top-down on the lateral wall of membrane pipe 61, are provided with 4 water holes 67 of crossing in this embodiment, and lower filter core end cover 64 cover is established in membrane pipe 61 bottom and with membrane pipe 61 outer wall between sealing connection, and the bilateral symmetry evenly distributed of membrane pipe 61 in this embodiment has water holes 67 of crossing, and it is even to intake when conveniently washing and filtering to obtain fine washing effect and better filtration water flux.
The specific use process of this embodiment is as follows:
in the purified water state, the water pipe joint 5 in the upper end cover 2 is in a blocking state, and raw water enters from the straight pipe joint of the lower end cover 3 and enters the outer side of the membrane pipe 61 through the gap between the filter element cylinder 1 and the lower end cover 3. The water passing holes 67 uniformly distributed on the membrane tube 61 enter the membrane tube 61, and under the action of external pressure, water in the membrane tube 61 permeates into the ultrafiltration membrane filaments 62, is collected at the water outlet holes 66 of the purified underwater filter element end cover 64 and flows out from the elbow joint on the lower end cover 3.
In the positive flushing state, raw water enters from the straight pipe joint of the lower end cover 3, and enters the outer side of the membrane pipe 61 through the gap between the filter element cylinder 1 and the lower filter element end cover 64. The water passing holes 67 which are uniformly distributed on the membrane tube 61 enter the membrane tube 61, the surface of the ultrafiltration membrane filaments 62 in the membrane tube 61 is washed under the action of external pressure, and washing water passes through the water inlet holes 65 on the upper filter element end cover 63 and flows out from the water pipe joint 5 on the upper end cover 2.
In the back-flushing state, raw water enters from the water pipe joint 5 in the upper end cover 2, and enters the outer side of the membrane pipe 61 through a gap between the filter element cylinder 1 and the lower filter element end cover 64. The water holes 67 evenly distributed on the membrane tube 61 enter the membrane tube 61, the filtering holes of the ultrafiltration membrane filaments 62 are washed under the action of internal pressure, and the washing water is in a closed state through upward filtering.
In this embodiment, the central water purifier is taken as an example, the following status data can be obtained by taking the national standard test conditions of GB/T30307-:
| pressure of raw water | 0.1 | 0.2 | 0.3 | 0.4 |
| Water inlet |
1 inch, it is very small | 1 inch, it is very small | 1 inch, it is very small | 1 inch, it is very small |
| Pipe diameter of filter |
6 |
6 |
6 |
6 minutes |
| Flow rate of water outlet | 2T/H | 2.8T/H | 3.4T/H | 4T/H |
Under the standard water pressure of 0.2MPa, the front end is simply filtered, after the water passing amount exceeds 100T, the water outlet flux is more than or equal to 1.9T/H and the clean water bacterial colony is 24CFU/ml under the condition of no flushing.
According to the test data, the filter element can completely meet the requirement of water supply of the water supply system of the household central water purifier, has good filtering effect, can reach excellent filtering state, and is suitable for water supply of the water supply system of the household central water purifier.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (9)
1. Ultrafiltration filter core subassembly, including filter core barrel (1), its characterized in that: the upper end and the lower end of the filter element cylinder body (1) are respectively connected with an upper end cover (2) and a lower end cover (3), and the upper end cover (2) is connected with the upper end of the filter element cylinder body (1) and the lower end cover (3) is connected with the lower end of the filter element cylinder body (1) through a hoop (4); the middle parts of the upper end cover (2) and the lower end cover (3) are respectively provided with a central hole (101) communicated with the inside of the filter element cylinder body (1); the lower end cover (3) is connected with a water pipe joint (5), and the water pipe joint (5) of the lower end cover (3) is communicated with a central hole (101) of the lower end cover (3); the filter element is characterized by also comprising a filter element assembly (6) arranged in the filter element cylinder body (1), wherein a water passing gap is reserved between the filter element assembly (6) and the filter element cylinder body (1); the filter element assembly (6) comprises a membrane tube (61) and ultrafiltration membrane filaments (62) arranged in the membrane tube (61), the upper end and the lower end of the membrane tube (61) are respectively provided with an upper filter element end cover (63) and a lower filter element end cover (64), the upper filter element end cover (63) is connected with the upper end cover (2), the lower filter element end cover (64) is connected with the lower end cover (3), the upper filter element end cover (63) is provided with a water inlet hole (65) communicated with an upper center hole (101) of the upper end cover (2), and the lower filter element end cover (64) is provided with a water outlet hole (66) communicated with the lower end cover (3); in the water purification state, a water pipe joint (5) positioned in the upper end cover (2) is in a plugging state, raw water enters from a straight pipe joint of the lower end cover (3) and enters the outside of a membrane pipe (61) through a gap between the filter element cylinder body (1) and the lower end cover (3); in a positive flushing state, raw water enters from a straight pipe joint of the lower end cover (3) and enters the outer side of the membrane pipe (61) through a gap between the filter element cylinder (1) and the lower filter element end cover (64); in a back flushing state, raw water enters from a water pipe joint (5) in the upper end cover (2) and enters the outer side of the membrane pipe (61) through a gap between the filter element cylinder body (1) and the lower filter element end cover (64).
2. The ultrafiltration cartridge assembly of claim 1, wherein: the upper end cover (2) and the lower end cover (3) both comprise a connecting section (102) and a sealing section (103), the diameter of the connecting section (102) is larger than that of the sealing section (103), and a seam allowance platform (104) is formed at the connecting position of the connecting section (102) and the sealing section (103).
3. The ultrafiltration cartridge assembly of claim 2, wherein: the upper end and the lower end of the filter element cylinder body (1) are respectively provided with a flange (105), the flange (105) at the upper end of the filter element cylinder body (1) is abutted against the seam allowance platform (104) of the upper end cover (2), and the flange (105) at the lower end of the filter element cylinder body (1) is abutted against the seam allowance platform (104) of the lower end cover (3).
4. The ultrafiltration cartridge assembly of claim 3, wherein: the hoop (4) comprises an annular band-shaped hoop body (41) and an annular reinforcing rib (42) which is arranged on the inner wall of the hoop body (41) and has a U-shaped section, an annular clamping groove (106) is formed in the outer wall of the connecting section (102), one side wall of the annular reinforcing rib (42) is clamped into the annular clamping groove (106), and a flanging flange (105) is fixed on the other side.
5. An ultrafiltration cartridge assembly according to any of claims 2 to 4, wherein: the outer wall of the sealing section (103) is provided with two annular sealing grooves (107) which are arranged in parallel, and an annular sealing ring (108) is arranged in each annular sealing groove (107).
6. The ultrafiltration cartridge assembly of claim 1, wherein: the side walls of the upper end cover (2) and the lower end cover (3) are respectively provided with an inward-concave screwdriver raised port.
7. The ultrafiltration cartridge assembly of claim 1, wherein: the upper end cover (2) and the lower end cover (3) are both provided with connecting sleeves (109), the upper end of the upper filter element end cover (63) and the lower end of the lower filter element end cover (64) are respectively inserted into the connecting sleeves (109) of the upper end cover (2) and the lower end cover (3) and sealed through O-shaped sealing rings (110).
8. The ultrafiltration cartridge assembly of claim 1, wherein: a plurality of water holes (67) are uniformly distributed on the side wall of the membrane tube (61) from top to bottom, and the lower filter element end cover (64) is sleeved at the bottom of the membrane tube (61) and is in sealing connection with the outer wall of the membrane tube (61).
9. The ultrafiltration cartridge assembly of claim 1, wherein: the ultrafiltration membrane filaments (62) are PVDF membranes and are bonded in the membrane tubes (61) through hot melt adhesives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408038.6A CN107158951B (en) | 2017-06-02 | 2017-06-02 | Ultrafiltration filter element assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408038.6A CN107158951B (en) | 2017-06-02 | 2017-06-02 | Ultrafiltration filter element assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107158951A CN107158951A (en) | 2017-09-15 |
| CN107158951B true CN107158951B (en) | 2020-01-24 |
Family
ID=59824297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710408038.6A Active CN107158951B (en) | 2017-06-02 | 2017-06-02 | Ultrafiltration filter element assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107158951B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112028183A (en) * | 2020-09-25 | 2020-12-04 | 珠海格力电器股份有限公司 | Ultrafiltration membrane filter element structure, filter element assembly and water purifier |
| CN113060798B (en) * | 2021-03-30 | 2022-10-18 | 海南立昇净水科技实业有限公司 | Tank type filtering equipment with replaceable filtering membrane component |
| CN116099368B (en) * | 2023-04-11 | 2023-10-03 | 利得膜(北京)新材料技术有限公司 | External pressure type filter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1693095A1 (en) * | 2005-02-18 | 2006-08-23 | Truma Gerätetechnik GmbH & Co. KG | Water filtration system for use in self-sufficient supply system |
| GB2458989A (en) * | 2008-04-08 | 2009-10-14 | Mao-Chang Lin | A joint for one of a water inlet or water outlet of a filter cylinder or a filter casing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201793408U (en) * | 2010-09-14 | 2011-04-13 | 佛山市高明金安模具有限公司 | Pipeline-type ultrafiltration water purifier |
| CN202052403U (en) * | 2011-02-25 | 2011-11-30 | 黎祜跃 | Quick connection-type filter element |
| CN104587833B (en) * | 2015-01-22 | 2017-05-10 | 浙江至美环境科技有限公司 | Ultrafiltration membrane module and method for treating high-turbidity water by using same |
| CN105521651B (en) * | 2015-12-24 | 2017-06-09 | 宁波灏钻科技有限公司 | A kind of two-way water shutoff of dual-mouth filter core capable of washing |
-
2017
- 2017-06-02 CN CN201710408038.6A patent/CN107158951B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1693095A1 (en) * | 2005-02-18 | 2006-08-23 | Truma Gerätetechnik GmbH & Co. KG | Water filtration system for use in self-sufficient supply system |
| GB2458989A (en) * | 2008-04-08 | 2009-10-14 | Mao-Chang Lin | A joint for one of a water inlet or water outlet of a filter cylinder or a filter casing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107158951A (en) | 2017-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104338439B (en) | Ro membrane filter core structure | |
| CN107158951B (en) | Ultrafiltration filter element assembly | |
| WO2016095400A1 (en) | Composite filter cartridge and water purification system having same | |
| CN205023971U (en) | Purifier and bayonet folding ultrafiltration composite filter element thereof | |
| CN107243176B (en) | Carbon rod filter element component | |
| CN105800809A (en) | Non-electric and wastewater-free household reverse osmosis water purifier | |
| CN207085514U (en) | Filter element assembly and water purifier | |
| CN202666701U (en) | Three-way connector | |
| CN216878230U (en) | An intelligent single-stage composite integrated RO filter bottle multi-water channel end cap assembly | |
| CN203400633U (en) | Ro membrane filter core structure | |
| CN207237722U (en) | Ultra-filtration element component | |
| CN215195647U (en) | Filter element assembly and water purifier | |
| CN216909365U (en) | Composite filter element assembly and water purifier | |
| CN216878229U (en) | Multilayer of compound integrated RO filter core of intelligence single-stage purifies filter flask structure | |
| CN212669369U (en) | Filter element assembly | |
| CN215798795U (en) | a composite filter | |
| WO2002005926A1 (en) | Filter assembly | |
| CN210079017U (en) | A filter with a sealing water stop mechanism | |
| CN208517096U (en) | A kind of filter element of water purifier facilitating grafting | |
| CN209762325U (en) | water tap using ultrafiltration carbon fiber composite filter element | |
| CN208975543U (en) | The reverse osmosis element kit of self-locking | |
| CN111115866B (en) | Composite filter element assembly | |
| CN112125425A (en) | Composite filter element and water purifier | |
| CN206682478U (en) | A kind of return of waste water joint of water purification machine | |
| CN205699768U (en) | A kind of conjuncted filter element of purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |