CN107158951A - Ultra-filtration element component - Google Patents
Ultra-filtration element component Download PDFInfo
- Publication number
- CN107158951A CN107158951A CN201710408038.6A CN201710408038A CN107158951A CN 107158951 A CN107158951 A CN 107158951A CN 201710408038 A CN201710408038 A CN 201710408038A CN 107158951 A CN107158951 A CN 107158951A
- Authority
- CN
- China
- Prior art keywords
- end cover
- filter core
- core cylinder
- filter
- ultra
- 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.)
- Granted
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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
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- 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 present invention relates to water correction plant field, disclose a kind of ultra-filtration element component, it includes filter core cylinder (1), the upper and lower ends of filter core cylinder (1) are connected to upper end cover (2) and bottom end cover (3), and upper end cover (2) is connected with the upper end of filter core cylinder (1) and bottom end cover (3) with the lower end of filter core cylinder (1) by an anchor ear (4).The present invention realizes the assembling of filter core cylinder (1) by the form of anchor ear (4), effectively strengthen the assembling intensity of whole ultra-filtration element, milipore filter water amount can be increased to greatest extent, with more preferable filter effect, and more outstanding filtration condition is can reach, central water purifier water system suitable for home use supplies water.
Description
Technical field
The present invention relates to water correction plant field, more particularly to a kind of family expenses full house water purifyings or the central water purifier of commercialization
On the ultra-filtration element component that uses.
Background technology
With the development of water purification technology, people increasingly improve to the use requirement of Drinking Water, in Domestic water purifying field,
The scheme that full house water purifying is primarily selected into middle and high end domestic consumer.Central water purifier in wherein full house water purification system is increasingly
Paid attention to by each water purifier manufacturer, and it is first when its selection filled uses ultra-filtration element in high-end user central water purifier,
Municipal tap water is set just to reach direct drinking by filtering by ultra-filtration element.
More complicated yet with Chinese water quality, existing ultra-filtration element is difficult to meet full house water purifying when domestic consumer fits up
Big throughput requirements.
The content of the invention
The present invention for ultra-filtration element is difficult to meet the big throughput requirements of full house water purifying in the prior art the problem of there is provided
A kind of ultra-filtration element component.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
Ultra-filtration element component, including filter core cylinder, the upper and lower ends of filter core cylinder are connected to upper end cover and bottom end cover,
Upper end cover is connected with the upper end of filter core cylinder and bottom end cover with the lower end of filter core cylinder by an anchor ear.
Preferably, being respectively connected with water pipe head on upper end cover and bottom end cover, one end insertion of water pipe head is connected to
In upper end cover or bottom end cover, the outer surface of the other end is provided with external screw thread.Realize that water pipe is filtered with the ultrafiltration by way of screw thread
Connection between core, make its connect and dismantle it is quick, convenient.
Preferably, the centre bore connected with filter core inner barrel is equipped with the middle part of upper end cover and bottom end cover, and upper end
Lid and bottom end cover include being located at linkage section and seal section, and the diameter of linkage section is more than the diameter of seal section, make linkage section with it is close
Seal section junction and form seam platform.
Preferably, the upper and lower ends of filter core cylinder are all provided with flange flange, the flange flange positioned at filter core cylinder upper end is supported
Lean against at the seam platform of upper end cover, the flange flange positioned at filter core cylinder lower end is resisted against at the seam platform of bottom end cover.It is logical
The setting of the seam platform is crossed, the limit installation to upper end cover and bottom end cover, the filter core cylinder upper and lower ends and seam for being is realized
During contact with platform, i.e., end cap is installed in place above and below explanation, is effectively improved the installation effectiveness of whole filter core cylinder and is installed accurate
Degree.
Preferably, the section that anchor ear includes an endless belt-shaped anchor ear body and is arranged in anchor ear inner body wall is in
The cyclic reinforcing rib of U-shaped, linkage section outer wall is provided with annular slot, and the side wall of cyclic reinforcing rib is caught in annular slot, separately
Flange flange is fixed in side.On the one hand the setting of cyclic reinforcing rib enables to the structural strength of whole anchor ear to increase, after
And strengthen its connective stability；On the other hand it is caught in by the side wall of the ring stiffener in the annular slot of end cap and realizes limit
Position, and coordinate with annular slot, the flange flange on filter core cylinder is wrapped in ring stiffener, and it is spacing up and down
It is fixed, fully ensure that the connective stability and bonding strength of anchor ear.
It is provided with preferably, the outer wall of seal section is provided with two annular seal grooves be arrangeding in parallel, annular seal groove
O-ring seal.The sealing property between end cap and filter core cylinder is enabled to obtain larger raising by double containment form.
Preferably, the screwdriver that indent is equipped with the side wall of upper end cover and bottom end cover sticks up mouth.Screwdriver, which sticks up mouth, to be easy to
Screwdriver exerts a force, and facilitates end cap to remove, the problem of solving to remove difficulty after end cap loads.
Preferably, also including the element kit being arranged in filter core cylinder body, left between element kit and filter core cylinder
Cross water space；Element kit includes membrane tube and the ultrafiltration membrane filaments being arranged in membrane tube, and the upper and lower ends of membrane tube set filter respectively
Core end cap and lower filter end cap, upper filter end cap are connected with upper end cover, and lower filter end cap is connected with bottom end cover, on upper filter end cap
Provided with the inlet opening connected with centre bore on upper end cover, lower filter end cap is provided with the apopore connected with bottom end cover.
Preferably, upper end cover and bottom end cover are equipped with connection sleeve pipe, the upper end and lower filter end of upper filter end cap
The lower end of lid is inserted in the connection sleeve pipe of upper end cover and bottom end cover and sealed by O-ring seals respectively.
Preferably, being evenly distributed with multiple water holes on the side wall of membrane tube from top to bottom, lower filter end cap is set in film
Bottom of the tube and it is tightly connected between membrane tube outer wall.
Preferably, ultrafiltration membrane filaments are pvdf membrane, it is bonded in by PUR in membrane tube.
The present invention is as a result of above technical scheme, with significant technique effect：
The present invention realizes the assembling of filter core cylinder by the form of anchor ear, and the assembling for effectively strengthening whole ultra-filtration element is strong
Degree, can increase milipore filter water amount to greatest extent, with more preferable filter effect, and can reach more outstanding mistake
Filter state, central water purifier water system suitable for home use supplies water.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is Fig. 1 explosive view.
Fig. 3 is Fig. 1 profile.
Fig. 4 is the enlarged drawing of part A in Fig. 3.
Fig. 5 is the enlarged drawing of part B in Fig. 3.
Fig. 6 is the structural representation of upper end cover in Fig. 2.
Fig. 7 is the structural representation of bottom end cover in Fig. 2.
Fig. 8 is the structural representation of element kit in Fig. 1.
The toponym that each number designation is referred in accompanying drawing is as follows：1-filter core cylinder, 2-upper end cover, 3-bottom end cover,
4-anchor ear, 5-water pipe head, 6-element kit, 101-centre bore, 102-linkage section, 103-seal section, 104-seam
Platform, 105-flange flange, 106-annular slot, 107-annular seal groove, 108-O-ring seal, 109-screwdriver
Stick up mouth, 110-O-ring seals, 41-anchor ear body, 42-cyclic reinforcing rib, 61-membrane tube, 62-ultrafiltration membrane filaments, 63-on
End cover of filter element, 64-lower filter end cap, 65-inlet opening, 66-apopore, 67-water hole.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Ultra-filtration element component 6, as Figure 1-Figure 8, including filter core cylinder 1, the upper and lower ends of filter core cylinder 1 are connected respectively
Have and water pipe head 5 is respectively connected with upper end cover 2 and bottom end cover 3, upper end cover 2 and bottom end cover 3, one end insertion of water pipe head 5
It is connected in upper end cover 2 or bottom end cover 3, the outer surface of the other end is provided with external screw thread, wherein being connected to the water pipe on upper end cover 2
Joint 5 is one, in straight-tube shape；It is two to be connected to water pipe head 5 on bottom end cover 3, and one is in straight-tube shape, another be in
The union elbow of L-shaped.
Upper end cover 2 is connected with the upper end of filter core cylinder 1 and the lower end of bottom end cover 3 and filter core cylinder 1 by an anchor ear 4
Connect.The middle part of wherein upper end cover 2 and bottom end cover 3 is equipped with the centre bore 101 connected with the inside of filter core cylinder 1, positioned at upper end cover 2
Connected respectively with its centre bore 101 with the water pipe head 5 on bottom end cover 3.
Upper end cover 2 and bottom end cover 3 include being located at linkage section 102 and seal section 103, and the diameter of linkage section 102 is more than close
The diameter of section 103 is sealed, linkage section 102 is formed seam platform 104 with the junction of seal section 103.The upper and lower ends of filter core cylinder 1
Flange flange 105 is all provided with, the flange flange 105 positioned at the upper end of filter core cylinder 1 is resisted against at the seam platform 104 of upper end cover 2, position
Flange flange 105 in the lower end of filter core cylinder 1 is resisted against at the seam platform 104 of bottom end cover 3.It is endless belt-shaped that anchor ear 4 includes one
Anchor ear body 41 and the cyclic reinforcing rib 42 that takes the shape of the letter U of the section that is arranged on the inwall of anchor ear body 41, anchor ear body 41
One side opening, and openend connected by a fastening bolt, and the contraction and amplification to anchor ear 4 are realized by the fastening of bolt,
It is set to ensure the stability and sealing of connection.The outer wall of linkage section 102 is provided with annular slot 106, the one of cyclic reinforcing rib 42
Side wall is caught in annular slot 106, and opposite side fixes flange flange 105.When the seam platform 104 and filter core cylinder 1 of upper end cover 2
When turning over flange closing together, i.e., cylinder upper end cover 2 loads in place, now by anchor ear 4 by 3 points of upper end cover 2 and bottom end cover
The two ends of filter core cylinder 1 are not secured firmly to.Due to there is the cyclic reinforcing rib 42 of U-shaped on anchor ear 4, it is rotated in annular slot 106
Under effect, play a part of fixed and surrounding up and down and wrap, fully ensure that the stabilization connected between end cap and filter core cylinder 1
Property.
The outer wall of seal section 103 is provided with two annular seal grooves 107 be arrangeding in parallel, annular seal groove 107 and is provided with
O-ring seal 108, so that forming sealing between upper end cover 2 and filter core cylinder 1 and bottom end cover 3 and filter core cylinder 1.Adopt
Sealed with Double seal ring, enable to seal relatively reliable, sealing property obtains larger raising, effectively prevent because of sealing not
Sternly cause cylinder water leakage situation.
The screwdriver for being equipped with indent in the present embodiment on the side wall of upper end cover 2 and bottom end cover 3 sticks up mouth 109.Screwdriver sticks up
Mouth 109 can be easy to screwdriver to exert a force, and facilitate end cap to remove, the problem of solving to remove difficulty after end cap loads.
Element kit 6 is provided with filter core cylinder 1, water space was left between element kit 6 and filter core cylinder 1；Filter core
It is pvdf membrane that component 6, which includes ultrafiltration membrane filaments 62 in membrane tube 61 and the ultrafiltration membrane filaments 62 being arranged in membrane tube 61, the present embodiment, is passed through
PUR is bonded in membrane tube 61, then is formed ends cutting is smooth, to ensure that filtering water outlet has a good effluent flux.
The upper and lower ends of membrane tube 61 set upper filter end cap 63 and lower filter end cap 64, upper filter end cap 63 and upper end respectively
Lid 2 is connected, and lower filter end cap 64 is connected with bottom end cover 3, and upper filter end cap 63 is provided with and connected with centre bore 101 on upper end cover 2
Inlet opening 65, lower filter end cap 64 is provided with the apopore 66 that is connected with bottom end cover 3.Upper end cover 2 and bottom end cover 3 are equipped with
Upper end cover 2 and bottom end cover 3 are inserted in connection sleeve pipe 109, the upper end of upper filter end cap 63 and the lower end of lower filter end cap 64 respectively
Connection sleeve pipe 109 in and sealed by O-ring seals 110.Multiple mistakes are evenly distributed with from top to bottom on the side wall of membrane tube 61
Be provided with 4 water holes 67 in water hole 67, the present embodiment, lower filter end cap 64 be set in the bottom of membrane tube 61 and with the outer wall of membrane tube 61
Between be tightly connected, be symmetrically and evenly distributed with water hole 67 in the present embodiment in the both sides of membrane tube 61, convenient water inlet when rinsing and mistake
Intake during filter uniform, to obtain good developing result and preferably filter effluent flux.
The specifically used process of the present embodiment is as follows：
In purification water state, the water pipe head 5 in upper end cover 2 is sealed condition, and raw water connects from the straight tube of bottom end cover 3
Head enters, and enters the outside of membrane tube 61 by filter core cylinder 1 and the gap of bottom end cover 3.Pass through the equally distributed water excessively in membrane tube 61
Hole 67 enters in membrane tube 61, and under external pressure, water penetration enters ultrafiltration membrane filaments 62 in membrane tube 61, purified water lower filter end cap 64
Collect at apopore 66, and flowed out from the union elbow on bottom end cover 3.
State is just being rinsed, raw water enters from the straight connector of bottom end cover 3, passes through filter core cylinder 1 and lower filter end cap 64
Gap enter the outside of membrane tube 61.Entered by the equally distributed water hole 67 in membrane tube 61 in membrane tube 61, in external pressure effect
Under, the surface of ultrafiltration membrane filaments 62 in membrane tube 61 is washed away, flushing water is by the inlet opening 65 on upper filter end cap 63, and from upper
Water pipe head 5 on end cap 2 is flowed out.
In backwash state, raw water enters from the water pipe head 5 in upper end cover 2, passes through filter core cylinder 1 and lower filter end cap
Gap between 64 enters the outside of membrane tube 61.Entered by the equally distributed water hole 67 in membrane tube 61 in membrane tube 61, inside
Under pressure effect, the filter bores of ultrafiltration membrane filaments 62 are rinsed, flushing water is in closed state by upper filter.
In the present embodiment by taking central water purifier as an example, correlative measurement is with GB/T 30307-2013 national standard test conditions, water temperature
25 DEG C, following status data can be obtained：
| Raw water pressure | 0.1 | 0.2 | 0.3 | 0.4 |
| Water inlet supervisor | 1 cun | 1 cun | 1 cun | 1 cun |
| Filter core inlet pipe caliber | 6 points | 6 points | 6 points | 6 points |
| Water flow | 2T/H | 2.8T/H | 3.4T/H | 4T/H |
Under standard water pressure 0.2MPa, there is Simple filter front end, after water amount is more than 100T, without any flushing situation
Under, effluent flux >=1.9T/H, water purification bacterium colony 24CFU/ml.
By test data, this filter core can meet the water supply of domestic central water purifier water system completely, with very
Good filter effect, and outstanding filtration condition is can reach, central water purifier water system suitable for home use supplies water.
In a word, presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent be the foregoing is only
Change and modification, should all belong to the covering scope of patent of the present invention.
Claims (10)
1. ultra-filtration element component, including filter core cylinder (1), it is characterised in that：The upper and lower ends of filter core cylinder (1) are connected to
Upper end cover (2) and bottom end cover (3), upper end cover (2) and the upper end of filter core cylinder (1) and bottom end cover (3) and filter core cylinder (1)
Lower end is connected by an anchor ear (4).
2. ultra-filtration element component according to claim 1, it is characterised in that：The middle part of upper end cover (2) and bottom end cover (3) is equal
Provided with the centre bore (101) with being connected inside filter core cylinder (1), and upper end cover (2) and bottom end cover (3) are including being located at linkage section
(102) and seal section (103), the diameter of linkage section (102) is more than the diameter of seal section (103), makes linkage section (102) and sealing
Section (103) junction forms seam platform (104).
3. ultra-filtration element component according to claim 2, it is characterised in that：The upper and lower ends of filter core cylinder (1) are all provided with turning over
Side flange (105), the flange flange (105) positioned at filter core cylinder (1) upper end is resisted against the seam platform (104) of upper end cover (2)
Place, the flange flange (105) positioned at filter core cylinder (1) lower end is resisted against seam platform (104) place of bottom end cover (3).
4. ultra-filtration element component according to claim 3, it is characterised in that：Anchor ear (4) includes an endless belt-shaped anchor ear
The cyclic reinforcing rib (42) that body (41) and the section being arranged on anchor ear body (41) inwall take the shape of the letter U, linkage section (102) is outside
Wall is provided with annular slot (106), and the side wall of cyclic reinforcing rib (42) is caught in annular slot (106), and opposite side is fixed and turned over
Side flange (105).
5. the ultra-filtration element component according to claim 2-4 any one, it is characterised in that：The outer wall of seal section (103)
Provided with two annular seal grooves (107) be arrangeding in parallel, O-ring seal (108) is provided with annular seal groove (107).
6. ultra-filtration element component according to claim 1, it is characterised in that：On the side wall of upper end cover (2) and bottom end cover (3)
The screwdriver for being equipped with indent sticks up mouth (109).
7. ultra-filtration element component according to claim 1, it is characterised in that：Also include being arranged in filter core cylinder (1)
Element kit (6), water space was left between element kit (6) and filter core cylinder (1)；Element kit (6) includes membrane tube (61)
With the ultrafiltration membrane filaments (62) being arranged in membrane tube (61), the upper and lower ends of membrane tube (61) set respectively upper filter end cap (63) and under
End cover of filter element (64), upper filter end cap (63) is connected with upper end cover (2), and lower filter end cap (64) is connected with bottom end cover (3), upper filter
Core end cap (63) is provided with the inlet opening (65) connected with centre bore (101) on upper end cover (2), and lower filter end cap (64) is provided with
The apopore (66) connected with bottom end cover (3).
8. ultra-filtration element component according to claim 7, it is characterised in that：Upper end cover (2) and bottom end cover (3) are equipped with
Connection sleeve pipe (109), the upper end of upper filter end cap (63) and the lower end of lower filter end cap (64) insert respectively upper end cover (2) and
Sealed in the connection sleeve pipe (109) of bottom end cover (3) and by O-ring seals (110).
9. ultra-filtration element component according to claim 7, it is characterised in that：It is uniform from top to bottom on the side wall of membrane tube (61)
Multiple water holes (67) are distributed with, lower filter end cap (64) is set in membrane tube (61) bottom and sealed between membrane tube (61) outer wall
Connection.
10. ultra-filtration element component according to claim 7, it is characterised in that：Ultrafiltration membrane filaments (62) are pvdf membrane, pass through heat
Melten gel is bonded in membrane tube (61).
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 true CN107158951A (en) | 2017-09-15 |
| CN107158951B 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) |
Cited By (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 |
| CN113060798A (en) * | 2021-03-30 | 2021-07-02 | 海南立昇净水科技实业有限公司 | Tank type filtering equipment with replaceable filtering membrane component |
| CN116099368A (en) * | 2023-04-11 | 2023-05-12 | 利得膜(北京)新材料技术有限公司 | External pressure type filter |
Citations (6)
| 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 |
| 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 |
| CN104587833A (en) * | 2015-01-22 | 2015-05-06 | 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 |
| CN105521651A (en) * | 2015-12-24 | 2016-04-27 | 宁波灏钻科技有限公司 | Double-bayonet bidirectional water sealing cleanable filter core |
-
2017
- 2017-06-02 CN CN201710408038.6A patent/CN107158951B/en active Active
Patent Citations (6)
| 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 |
| 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 |
| CN104587833A (en) * | 2015-01-22 | 2015-05-06 | 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 |
| CN105521651A (en) * | 2015-12-24 | 2016-04-27 | 宁波灏钻科技有限公司 | Double-bayonet bidirectional water sealing cleanable filter core |
Cited By (4)
| 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 |
| CN113060798A (en) * | 2021-03-30 | 2021-07-02 | 海南立昇净水科技实业有限公司 | Tank type filtering equipment with replaceable filtering membrane component |
| CN116099368A (en) * | 2023-04-11 | 2023-05-12 | 利得膜(北京)新材料技术有限公司 | External pressure type filter |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107158951B (en) | 2020-01-24 |
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