CN114247293A - Ultrafiltration membrane component for efficient filtration - Google Patents
Ultrafiltration membrane component for efficient filtration Download PDFInfo
- Publication number
- CN114247293A CN114247293A CN202210013286.1A CN202210013286A CN114247293A CN 114247293 A CN114247293 A CN 114247293A CN 202210013286 A CN202210013286 A CN 202210013286A CN 114247293 A CN114247293 A CN 114247293A
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- ultrafiltration membrane
- cleaning
- cover
- connecting cylinder
- end cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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- 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
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of ultrafiltration membranes, in particular to an ultrafiltration membrane component for efficient filtration, which comprises a membrane tube body and ultrafiltration membrane filaments arranged in the membrane tube body, wherein two ends of the membrane tube body are respectively connected with a first end cover and a second end cover; the device is characterized in that a cleaning device is arranged in the water purifying chamber, the cleaning device is penetrated by all the ultrafiltration membrane filaments, a spiral air guide device is formed at the penetrated position of the cleaning device, and the spiral air guide device is used for cleaning the penetrated ultrafiltration membrane filaments. Has the advantages that: through set up belt cleaning device in the membrane tube body, no dead angle washs the milipore filter silk, keeps the high-efficient filtration of milipore filter subassembly, and simple and practical has fine popularization and application and worth.
Description
Technical Field
The invention relates to the technical field of ultrafiltration membranes, in particular to an ultrafiltration membrane component for efficient filtration.
Background
With the development of water treatment industry technology, ultrafiltration membrane technology is emerging. The ultrafiltration membrane technology is divided into an internal pressure type ultrafiltration membrane element and an external pressure type ultrafiltration membrane element from the working principle, and can be divided into a column type, a curtain type and a flat plate type from the appearance structure. Generally, an external pressure column ultrafiltration membrane element comprises a housing, and hollow ultrafiltration membrane filaments disposed within the housing. The bottom of shell is equipped with the water inlet, and the raw water that the water inlet got into flows along the extending direction of cavity milipore filter silk, and the top of shell is equipped with produces mouth of a river and dense mouth of a river, produces the water purification after the mouth of a river discharge filters, and the sewage that the filtration was accomplished is discharged to dense mouth of a river.
Traditional raw water flows in the shell and enters the hollow ultrafiltration membrane filaments, and the hollow ultrafiltration membrane filaments filter the raw water. However, in reality, as the filtration is performed, impurities such as colloids and particles in raw water are easy to be retained and deposited on the outer surface of the hollow ultrafiltration membrane filament, so that the surface flux of the hollow ultrafiltration membrane filament is influenced, the filtration effect of the hollow ultrafiltration membrane filament is reduced, more deposition substances are attached to the outer surface of the hollow ultrafiltration membrane filament for a longer time, and the high-efficiency filtration performance of the ultrafiltration membrane assembly is severely limited.
Therefore, an ultrafiltration membrane assembly which is self-cleaning on the outer surface of the membrane filaments is needed to maintain the high-efficiency filtration of the ultrafiltration membrane assembly and fully exert the high-quality filtration effect of the ultrafiltration membrane assembly.
Disclosure of Invention
The invention aims to provide an ultrafiltration membrane component for high-efficiency filtration, which aims to solve the defects of the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an ultrafiltration membrane component for efficient filtration, wherein the ultrafiltration membrane component 1 comprises a membrane tube body 11 and ultrafiltration membrane filaments 12 arranged in the membrane tube body 11, two ends of the membrane tube body 11 are respectively connected with a first end cover 15 and a second end cover 16, two ends of the ultrafiltration membrane filaments 12 are respectively connected with a first end cover 13 and a second end cover 14, the first end cover 13 and the second end cover 14 enclose a water purification chamber, raw water to be filtered enters the water purification chamber from the first end cover 15, filtered concentrated water flows out from a sewage discharge outlet 165 of the second end cover 16, and purified water permeating into the ultrafiltration membrane filaments 12 flows out from a purified water outlet 164 of the second end cover 16; the novel water purification device is characterized in that a cleaning device 17 is arranged in the water purification chamber, the cleaning device 17 is penetrated by all ultrafiltration membrane filaments 12, and a spiral air guide device is formed at the penetrating position of the cleaning device 17 and is used for cleaning the penetrated ultrafiltration membrane filaments 12.
Preferably, the cleaning device 17 comprises a cleaning disc 171, a through hole formed with a spiral groove 172 on the cleaning disc 171, through which the ultrafiltration membrane wire 12 passes, and a spiral pipe 174 transitionally connected below the spiral groove 172, wherein the spiral pipe 174 is used for introducing gas to clean the ultrafiltration membrane wire 12; the cleaning disc 171 is further provided with a threaded hole 173, and the threaded hole 173 is connected with a driving device to drive the cleaning disc 171 to move up and down.
Preferably, the spiral pipe 174 is communicated with the gas distribution pipes 175, and all the gas distribution pipes 175 are converged and communicated with the gas pipe main joint 176; the air tube main joint 176 is connected with a soft air tube 18, and the soft air tube 18 is connected with an external air source to realize air supply.
Preferably, the cleaning disc 171 is connected to the second sealing head 14 through a driving device, the second sealing head 14 comprises a sealing disc body 141, a sealing cover 142 is arranged at the upper end of the sealing disc body 141 to form a sealed space, a motor 143 is installed in the sealed space, the motor 143 is engaged with a screw rod 144, and the screw rod 144 is engaged with the threaded hole 173; the motor 143 drives the screw 144 to rotate and drive the cleaning disc 171 to lift.
Preferably, the first end cap 15 includes a first connection cylinder 151, a first nut 152 and a first cap 153, the first connection cylinder 151 is fixed to one end of the membrane tube 11 in a sleeving manner, the first cap 153 is screwed and fixed to the first connection cylinder 151 through the first nut 152, a raw water inlet 154 is formed on the side surface of the first connection cylinder 151, and a spare joint 155 is formed at one end of the first cap 153.
Preferably, the second end cap 16 includes a second connecting cylinder 161, a second nut 162 and a second cap 163, the second connecting cylinder 161 is fixed to one end of the membrane tube 11 in a sleeving manner, the second cap 163 is screwed and fixed to the second connecting cylinder 161 through the second nut 162, a clean water outlet 164 is formed on the side surface of the second connecting cylinder 161, and a sewage outlet 165 is formed at one end of the second cap 163.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the cleaning device is arranged in the membrane tube body, the cleaning device forms the through hole with the inner wall being the spiral groove, all ultrafiltration membrane wires in the ultrafiltration membrane component correspondingly pass through the through hole, gas is introduced into the spiral groove in the through hole, and the gas moves along the spiral groove to form a spiral flow form for rubbing the outer surfaces of the ultrafiltration membrane wires, so that the effect of spirally rubbing and cleaning the ultrafiltration membrane wires is achieved, meanwhile, the cleaning device realizes lifting movement by the driving device formed by matching the motor and the screw rod, no dead angle is left for cleaning the whole ultrafiltration membrane wires, the efficient filtration of the ultrafiltration membrane component is kept, and the cleaning device is simple and practical and has good popularization and application values.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described, wherein like parts are designated by like reference numerals. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a front view of the present invention.
Fig. 2 is a half sectional view of the present invention.
Fig. 3 is a partially enlarged view of a in fig. 2.
Fig. 4 is a partially enlarged view of B in fig. 2.
Fig. 5 is a schematic perspective view of the present invention in a half-section state.
Fig. 6 is a partial enlarged view of C in fig. 5.
Fig. 7 is a schematic perspective view of the cleaning device 17 according to the present invention.
Fig. 8 is a perspective view of fig. 7 from another angle.
In the figure: an ultrafiltration membrane component 1; a membrane tube body 11; ultrafiltration membrane filaments 12; a first seal head 13; a second end enclosure 14; a closing disk body 141; a seal cap 142; a motor 143; a screw rod 144; a first end cap 15; the first connecting cylinder 151; a first nut 152; a first cover head 153; a raw water inlet 154; a backup interface 155; a second end cap 16; a second connector barrel 161; a second nut 162; the second head 163; a clean water outlet 164; a blowdown outlet 165; a cleaning device 17; a cleaning disk 171; a helical groove 172; a threaded hole 173; a solenoid 174; the gas-distributing pipe 175; an air tube manifold 176; a soft air tube 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present invention provides a technical solution: an ultrafiltration membrane component for high-efficiency filtration, wherein the ultrafiltration membrane component 1 comprises a membrane tube body 11 and ultrafiltration membrane filaments 12 arranged in the membrane tube body 11, one end of the membrane tube body 11 is a water inlet end, and the other end of the membrane tube body 11 is a water outlet end; the end of intaking sets up first end cover 15, this first end cover 15 includes first connecting cylinder 151, first nut 152 and first capping 153, the suit of first connecting cylinder 151 is fixed in membrane body 11 one end, first capping 153 connects soon through first nut 152 and is fixed to first connecting cylinder 151, raw water inlet 154 is formed to first connecting cylinder 151 side, raw water inlet 154 is used for leading-in water of treating the filtration, reserve interface 155 is formed to first capping 153 one end, reserve interface 155 confirms the usage as required, reserve interface 155 can regard as the washing interface.
The water outlet end is provided with a second end cover 16, the second end cover 16 comprises a second connecting cylinder 161, a second nut 162 and a second cover head 163, the second connecting cylinder 161 is sleeved and fixed at one end of the membrane tube body 11, the second cover head 163 is screwed and fixed to the second connecting cylinder 161 through the second nut 162, a purified water outlet 164 is formed in the side surface of the second connecting cylinder 161, purified water obtained after filtering flows out through the purified water outlet 164, a sewage discharge outlet 165 is formed at one end of the second cover head 163, and concentrated water formed after filtering is discharged through the sewage discharge outlet 165.
As shown in fig. 2 and 5, the first end cap 15 and the second end cap 16 in the membrane tube 11 form a filter element, the filter element includes a first end cap 13 and a second end cap 14 enclosing a water purification chamber and an ultrafiltration membrane wire 12 disposed in the water purification chamber, two ends of the ultrafiltration membrane wire 12 are respectively connected to the first end cap 13 and the second end cap 14 fixed at two ends of the membrane tube 11, a pipe orifice at one end of the ultrafiltration membrane wire 12 connected to the first end cap 13 is closed, and a pipe orifice at one end connected to the second end cap 14 is communicated with a purified water outlet 164. A cleaning device 17 is arranged in the water purification chamber, the cleaning device 17 is provided with through holes, the through holes are penetrated by the corresponding ultrafiltration membrane filaments 12, namely, the cleaning device 17 can move back and forth in the ultrafiltration membrane filaments 12, and further, a spiral air guide device is formed at the position through which the cleaning device 17 is penetrated, and the spiral air guide device forms spiral air flow for cleaning the outer surfaces of the penetrated ultrafiltration membrane filaments 12.
As shown in fig. 7 and 8, in particular, the cleaning device 17 includes a cleaning disc 171, through holes of a spiral groove 172 are formed on the cleaning disc 171, the number of the through holes is the same as the number of the ultrafiltration membrane wires 12, the ultrafiltration membrane wires 12 at corresponding positions pass through the corresponding through holes, the lower end portion of the spiral groove 172 is transitionally connected with a spiral pipe 174, by introducing gas into the spiral pipe 174, the gas rises into the spiral groove 172 through the transitional position and continues to flow along the spiral groove 172 to form a spiral gas flow, and as the ultrafiltration membrane wires 12 pass through the through holes, the spiral gas flow rubs with the outer surface of the ultrafiltration membrane wires 12 to clean the outer surface of the ultrafiltration membrane wires 12.
As shown in fig. 6, 7 and 8, a threaded hole 173 is formed in the cleaning disc 171, a driving device is connected to the threaded hole 173, the driving device controls and drives the cleaning disc 171 to move up and down, and the lifted cleaning disc 171 sweeps across the ultrafiltration membrane filaments 12 to clean different positions of the ultrafiltration membrane filaments 12.
As shown in fig. 2, 3, 4, 5 and 6, raw water to be filtered enters the purified water chamber from the raw water inlet 154 of the first end cap 15, the raw water flows upward and is filtered by the ultrafiltration membrane wires 12, concentrated water formed after the filtration flows out from the sewage outlet 165 of the second end cap 16, and purified water generated by the permeation into the ultrafiltration membrane wires 12 flows out from the purified water outlet 164 of the second end cap 16; after the ultrafiltration membrane wire 12 is filtered for a period of time, impurities such as colloid and particles are attached to the surface of the ultrafiltration membrane wire, at the moment, a self-cleaning function is started, the driving device drives the cleaning disc 171 to ascend or descend, meanwhile, gas is introduced into the spiral groove 172 in the cleaning disc 171 to form spiral airflow, the airflow is continuously cleaned to remove the impurities attached to the surface of the ultrafiltration membrane wire 12, and the high-efficiency filtering performance of the ultrafiltration membrane assembly is maintained.
As shown in fig. 3, 6 and 8, in particular, one end of the spiral pipe 174 is communicated with the gas distribution pipe 175, and then all the gas distribution pipes 175 are converged and communicated to the gas pipe main joint 176; at this time, by filling gas into the gas pipe main joint 176, the gas enters the spiral pipe 174 along all the gas distribution pipes 175 at the same time, and at the same time, the gas pipe main joint 176 is connected with a soft gas pipe 18, as shown in fig. 3, the soft gas pipe 18 leads to the outside through the first end enclosure 13, the first end enclosure 13 is usually in a closed state (a specific closed structure is not shown, and a structure commonly used in the ultrafiltration membrane technical field is adopted), and finally, the soft gas pipe 18 is connected with an external gas source to realize gas supply; since the air hose 18 is made of soft material, when the cleaning disc 171 is lifted, the air hose 18 is correspondingly stretched or rolled up without interfering with the operation of the cleaning disc 171.
As shown in fig. 2, 4 and 5, specifically, the cleaning disc 171 is connected to the second sealing head 14 through a driving device, the second sealing head 14 includes a sealing disc body 141, a sealing cover 142 is disposed at an upper end of the sealing disc body 141 to form a sealed space, the sealed space prevents water from entering, a motor 143 is installed in the sealed space, a spindle of the motor 143 is engaged with a bevel gear of a screw rod 144 through the bevel gear, so that the screw rod 144 is driven to rotate by the rotation of the spindle of the motor 143, and the screw rod 144 is engaged with the threaded hole 173; the forward and reverse rotation of the screw rod 144 drives the cleaning disc 171 to lift and change the cleaning position.
Claims (6)
1. An ultrafiltration membrane component for efficient filtration, wherein the ultrafiltration membrane component (1) comprises a membrane tube body (11) and ultrafiltration membrane filaments (12) arranged in the membrane tube body (11), two ends of the membrane tube body (11) are respectively connected with a first end cover (15) and a second end cover (16), two ends of the ultrafiltration membrane filaments (12) are respectively connected with a first end cover (13) and a second end cover (14), the first end cover (13) and the second end cover (14) enclose a water purification chamber, raw water to be filtered enters the water purification chamber from the first end cover (15), filtered concentrated water flows out from a sewage discharge outlet (165) of the second end cover (16), and purified water permeating into the ultrafiltration membrane filaments (12) flows out from a purified water outlet (164) of the second end cover (16); the novel water purification device is characterized in that a cleaning device (17) is arranged in the water purification chamber, the cleaning device (17) is penetrated by all ultrafiltration membrane filaments (12), a spiral air guide device is formed at the penetrating position of the cleaning device (17), and the spiral air guide device is used for cleaning the penetrated ultrafiltration membrane filaments (12).
2. The ultrafiltration membrane module of claim 1, wherein the cleaning device (17) comprises a cleaning disc (171), a through hole of the cleaning disc (171) is provided with a spiral groove (172), the ultrafiltration membrane wire (12) passes through the through hole, the spiral groove (172) is transitionally connected with a spiral pipe (174), and the spiral pipe (174) is used for introducing gas to clean the ultrafiltration membrane wire (12); the cleaning disc (171) is also provided with a threaded hole (173), and the threaded hole (173) is connected with a driving device to drive the cleaning disc (171) to lift.
3. The ultrafiltration membrane module of claim 2, wherein the spiral tube (174) is connected to gas distribution tubes (175), and all the gas distribution tubes (175) are connected to a gas tube main joint (176) in a converging manner; the air pipe main joint (176) is connected with a soft air pipe (18), and the soft air pipe (18) is connected with an external air source to realize air supply.
4. The ultrafiltration membrane module with high efficiency filtration as claimed in claim 2, wherein the cleaning disc (171) is connected to the second sealing head (14) through a driving device, the second sealing head (14) comprises a sealing disc body (141), a sealing cover (142) is arranged at the upper end of the sealing disc body (141) to form a sealed space, a motor (143) is arranged in the sealed space, the motor (143) is engaged with a screw rod (144), and the screw rod (144) is engaged with the threaded hole (173); the motor (143) drives the screw rod (144) to rotate and drives the cleaning disc (171) to lift.
5. The ultrafiltration membrane module of claim 1, wherein the first end cap (15) comprises a first connecting cylinder (151), a first nut (152) and a first cover head (153), the first connecting cylinder (151) is sleeved and fixed at one end of the membrane tube body (11), the first cover head (153) is screwed and fixed to the first connecting cylinder (151) through the first nut (152), a raw water inlet (154) is formed on the side surface of the first connecting cylinder (151), and a standby interface (155) is formed at one end of the first cover head (153).
6. The ultrafiltration membrane module of claim 1, wherein the second end cap (16) comprises a second connecting cylinder (161), a second nut (162) and a second cover head (163), the second connecting cylinder (161) is sleeved and fixed at one end of the membrane tube body (11), the second cover head (163) is screwed and fixed to the second connecting cylinder (161) through the second nut (162), a clean water outlet (164) is formed in the side surface of the second connecting cylinder (161), and a sewage outlet (165) is formed at one end of the second cover head (163).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013286.1A CN114247293A (en) | 2022-01-06 | 2022-01-06 | Ultrafiltration membrane component for efficient filtration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013286.1A CN114247293A (en) | 2022-01-06 | 2022-01-06 | Ultrafiltration membrane component for efficient filtration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114247293A true CN114247293A (en) | 2022-03-29 |
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ID=80799488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210013286.1A Pending CN114247293A (en) | 2022-01-06 | 2022-01-06 | Ultrafiltration membrane component for efficient filtration |
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| Country | Link |
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| CN (1) | CN114247293A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140805A (en) * | 2022-06-20 | 2022-10-04 | 宁波方太厨具有限公司 | Filter element structure |
| CN116116228A (en) * | 2023-03-22 | 2023-05-16 | 泰州南潇新材料科技有限公司 | Ultrafiltration membrane wire cleaning device with prevent impurity deposition function |
-
2022
- 2022-01-06 CN CN202210013286.1A patent/CN114247293A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140805A (en) * | 2022-06-20 | 2022-10-04 | 宁波方太厨具有限公司 | Filter element structure |
| CN115140805B (en) * | 2022-06-20 | 2023-09-15 | 宁波方太厨具有限公司 | Filter element structure |
| CN116116228A (en) * | 2023-03-22 | 2023-05-16 | 泰州南潇新材料科技有限公司 | Ultrafiltration membrane wire cleaning device with prevent impurity deposition function |
| CN116116228B (en) * | 2023-03-22 | 2023-09-12 | 泰州南潇新材料科技有限公司 | Ultrafiltration membrane wire cleaning device with prevent impurity deposition function |
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