CN113750806B - Anti-fouling membrane module water treatment device with back flushing function - Google Patents
Anti-fouling membrane module water treatment device with back flushing function Download PDFInfo
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- CN113750806B CN113750806B CN202111066600.4A CN202111066600A CN113750806B CN 113750806 B CN113750806 B CN 113750806B CN 202111066600 A CN202111066600 A CN 202111066600A CN 113750806 B CN113750806 B CN 113750806B
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- 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
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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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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention discloses a sewage-resistant membrane component water treatment device with a back flushing function, which belongs to the technical field of water treatment and comprises at least one treatment cylinder and a water delivery component, wherein an annular water inlet cavity, a filter cavity and a clean water cavity are sequentially arranged in the treatment cylinder from top to bottom, the connection position of the annular water inlet cavity and the filter cavity is in a horn mouth shape, and the top of the left side of the annular water inlet cavity is connected with a water inlet pipe. When the number of the treatment barrels is one, the invention uses the reset spring to back flush the clean water on the first piston plate to clean the outer surface of the permeable membrane when water is stopped from entering the water inlet pipe in the filtering process, and simultaneously uses the wiping ring to wipe and clean the outer surface of the permeable membrane, thereby improving the cleaning of the permeable membrane.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device with a back flushing function and an anti-pollution membrane component.
Background
Sewage is generally waste water from life and production and discharged from a certain pollution, and sewage treatment is a process of purifying sewage to achieve the water quality requirement of draining a certain water body or reusing the sewage, and is widely applied to various fields of building, agriculture, transportation, energy, petrochemical industry, environmental protection, urban landscapes, medical treatment, catering and the like, and increasingly enters the daily life of common people.
When water is subjected to membrane filtration treatment to remove foreign matters and the like in the water, for example, sludge as a microbial cake, suspended solids in the water to be treated, and the like, membrane clogging is likely to occur after a long-term filtration process of sewage, and the factors of the membrane clogging are foreign matters in the water, microorganisms adhering to the membrane surface or in the membrane, or metabolites of the microorganisms, and it is necessary to clean the membrane at regular intervals in order to ensure the flow rate value at the time of designing the membrane filtration apparatus.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the technical problem of providing the sewage treatment device with the anti-pollution membrane component, which is characterized in that when one treatment cylinder is arranged, when water is stopped from entering the water inlet pipe in the filtering process, clear water on the first piston plate is used for back flushing the permeable membrane, meanwhile, the outer surface of the permeable membrane is cleaned by wiping the ring, so that the cleaning of the permeable membrane is improved, the service life of the permeable membrane is prolonged, when the number of the treatment cylinders is two, in the process of continuously moving the second piston plate up and down, the continuous filtering of sewage is realized, the cleaning of the permeable membrane under the action of one period of up and down movement of the second piston plate is realized, the use is convenient, and the service life is prolonged.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides an anti-fouling membrane module water treatment facilities with back flush function, includes at least one processing section of thick bamboo and water delivery subassembly, wherein, processing section of thick bamboo inside has set gradually annular intake chamber, filter chamber and clear water chamber from top to bottom, and annular intake chamber and filter chamber junction position department are the horn mouth form, the inside sliding connection of annular intake chamber has annular piston, and the vertical piston rod first that is fixed with of bottom symmetry of annular piston, annular intake chamber left top is connected with the inlet tube, and the other end and the water delivery subassembly of inlet tube are linked together, the bottom of piston rod first extends to the top of filter chamber and is connected with the sliding ring, the vertical osmotic membrane of installing in intermediate position department at filter chamber inside, and be fixed with the go-between two piston rods at osmotic membrane lateral surface top, be fixed with the wiper ring that is used for scraping the osmotic membrane lateral wall on the medial surface of go-between, the bottom on filter chamber right side is connected with the blow off pipe, the bottom symmetry vertical piston rod second that is fixed with of piston rod, and piston rod second's bottom extends to clear water intracavity top and is connected with piston plate first, and is connected with the reset spring and installs the top through reset spring and installs the inside control valve, the top is connected with the top through the reset valve, the top is connected with the top to the inside control valve.
Preferably, the water delivery assembly is a water delivery pump.
Preferably, the number of the treatment barrels is two, the water outlet pipes of the two treatment barrels are connected with a water draining main pipe, the sewage draining pipes of the two treatment barrels are connected with a sewage draining main pipe, and the water conveying assembly is used for intermittently supplying water to the water inlet pipes of the two treatment barrels.
Preferably, the water delivery assembly comprises a water inlet tank and a driving mechanism at the top of the water inlet tank, wherein two water inlet cavities are symmetrically arranged in the water inlet tank, piston plates II are slidably connected in the water inlet cavities, piston rods III are hinged to the tops of the piston plates II, water inlet pipes on two treatment cylinders are respectively arranged at the bottoms of the water inlet cavities and are communicated, water suction pipes communicated with the two water inlet cavities are connected to the bottoms of two sides of the water inlet tank, the driving mechanism is arranged at the top of the water inlet tank through a supporting frame, the driving mechanism comprises an arch-shaped rotating shaft of a supporting frame support and a driving motor connected with one end of the arch-shaped rotating shaft, and the tops of the piston rods III are sleeved on the outer sides of the arch-shaped rotating shaft to be distributed in a high-low dislocation mode.
Preferably, the water suction pipe and the water inlet pipe are both provided with one-way valves.
3. Advantageous effects
(1) According to the invention, sewage is pumped into the annular water inlet cavity through the water inlet pipe by the water conveying pump, the annular piston is pushed to slide along the annular water inlet cavity under the action of pressure, when the annular piston slides to the connection position of the annular water inlet cavity and the filter cavity, in the process, the annular piston is rigidly connected with the sliding ring and the piston plate I through the piston rod I and the piston rod II respectively, so that the sliding ring and the piston plate I slide along the filter cavity and the interior of the clean water cavity respectively, simultaneously when the sliding ring slides to the bottom end along the filter cavity, the outer side wall of the sliding ring seals the inlet of the sewage draining pipe, so that the sewage is prevented from being directly discharged from the position of the sewage draining pipe, when the bottom surface of the piston plate I is contacted with the trigger switch, the control valve 3 on the water outlet pipe is opened, and the sewage enters the interior of the filter cavity from the gap position because the filter cavity is in a horn shape at the connection position of the annular water inlet cavity, and the filtered sewage is filtered through the permeable membrane under the action of continuous pressure entering, the filtered sewage enters the interior of the piston plate I, the clean water is filtered from the bottom end of the filter cavity above the permeable membrane, the clean water is continuously filtered through the water pump, the filtered water is discharged from the top of the filter cavity is continuously after the filtered water is filtered from the top of the filter cavity is continuously, and the clean water is discharged from the top is continuously and the clean water is discharged from the top inside.
(2) The invention is easy to cause a large amount of blockage on the surface of the permeable membrane along with long-time filtration of sewage, at the moment, the water delivery assembly is closed to stop water inflow into the treatment cylinder, then the piston plate I is pushed to move upwards along the inside of the clean water cavity under the action of the reset spring, when the instant control valve of the piston plate I, which is separated from the trigger switch, is closed, the filtered water above the piston plate I enters the inside of the permeable membrane and is reversely flushed from the inside to the outside of the permeable membrane, the impurities adsorbed on the permeable membrane are removed, and the impurities remained in the backwashing and the filter cavity are discharged, so that the permeable membrane is conveniently cleaned, the service life of the permeable membrane is prolonged, and meanwhile, the cleaning of the outer surface of the permeable membrane is further prolonged by the cleaning of the inner side of the connecting ring in the process of the piston plate I, the sliding ring and the annular piston.
(3) The external power supply provides power support for the driving motor in the water delivery assembly, so that the bow-shaped rotating shaft rotates, the crankshaft connecting rod principle in the engine is utilized in the rotating process, the two piston plates II move up and down along the inside of the water inlet cavity, when the piston plate in one water inlet cavity in the water inlet tank is positioned at the bottom end of the water inlet cavity, the other piston plate is positioned at the top end of the other water inlet cavity in the water inlet tank, sewage is pumped into the water inlet cavity through the water suction pipe when the piston plate II moves from bottom to top, then the sewage pumped into the water inlet cavity enters the treatment cylinder from the water inlet pipe to be filtered when the piston plate II moves from top to bottom, continuous filtration of the sewage is realized in the process of alternately filtering the sewage by the two treatment cylinders, the use is convenient, and meanwhile, the reset spring in the corresponding treatment cylinder pushes the first permeable membrane to perform back flushing when the piston plate II moves up and down continuously, the filtration of the sewage is realized, the service life of the permeable membrane is also improved.
In summary, when the treatment barrels are one, the invention uses the reset spring to back flush the clean water on the first piston plate to the permeable membrane when water is stopped from entering the water inlet pipe in the filtering process, and simultaneously wipes and cleans the outer surface of the permeable membrane through the wiping ring, thereby improving the cleaning of the permeable membrane and prolonging the service life of the permeable membrane.
Drawings
FIG. 1 is a schematic view of the overall internal structure of a treatment canister according to the present invention;
FIG. 2 is a schematic view of a partial structure of a treatment canister according to the present invention;
fig. 3 is a schematic overall structure of the present invention.
Reference numerals: 1. triggering a switch; 2. a water outlet pipe; 3. a control valve; 4. a filter chamber; 5. a treatment cylinder; 6. a first piston rod; 7. a water delivery assembly; 8. a water inlet pipe; 9. an annular piston; 10. an annular water inlet cavity; 11. a slip ring; 12. a permeable membrane; 13. a piston rod II; 14. a first piston plate; 15. a blow-down pipe; 16. a return spring; 17. a clear water cavity; 18. a connecting ring; 19. a wiper ring; 20. a water drain header; 21. a sewage main pipe; 22. a second piston plate; 23. a water inlet tank; 24. an arched rotating shaft; 25. a piston rod III; 26. a driving motor; 27. a water inlet cavity; 28. a water suction pipe.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples.
Example 1
The utility model provides an anti-fouling membrane module water treatment facilities with back flush function as shown in fig. 1-2, including a processing section of thick bamboo 5 and water delivery module 7, wherein, processing section of thick bamboo 5 inside has set gradually annular intake chamber 10, filter chamber 4 and clear water chamber 17 from top to bottom, and annular intake chamber 10 is horn mouth form with filter chamber 4 junction site, the inside sliding connection of annular intake chamber 10 has annular piston 9, and the bottom symmetry vertical piston rod 6 that is fixed with of annular piston 9, the top of annular intake chamber 10 left side is connected with inlet tube 8, and the other end and the water delivery module 7 of inlet tube 8 are linked together, the bottom of piston rod 6 extends to the top of filter chamber 4 and is connected with sliding ring 11, the vertical osmotic membrane 12 of installing in intermediate position department in filter chamber 4, and be fixed with go-between two piston rods 6 at osmotic membrane 12 lateral surface top, be fixed with on the medial surface of link ring 18 be used for scraping osmotic membrane 12 lateral wall's wiping ring 19, the bottom on filter chamber 4 right side is connected with drain tube 15, the bottom of being connected with piston rod 15 and the vertical piston rod 16 and the top of two-side piston rod 13, the top of the trigger valve 1 is connected with the top of the trigger valve 1, the top of two bottom of piston rod 13 and the trigger valve 1 is connected with the top of water delivery module 1, the top of trigger valve 1 is connected with the top of the trigger valve 17, and the top of the trigger valve 1 is connected with the top of the trigger valve 1.
In the embodiment, the water delivery assembly 7 is a water delivery pump, sewage is pumped into the annular water inlet cavity 10 through the water delivery pump by the water delivery pipe 8, the annular piston 9 is pushed to slide along the annular water inlet cavity 10 under the action of pressure, when the annular piston 9 slides to the position where the annular water inlet cavity 10 is connected with the filter cavity 4, in the process, the annular piston 9 is rigidly connected with the sliding ring 11 and the piston plate one 14 through the piston rod one 6 and the piston rod two 13 respectively, so that the sliding ring 11 and the piston plate one 14 slide along the filter cavity 4 and the clear water cavity 17 respectively, simultaneously when the sliding ring 11 slides to the bottom end along the filter cavity 4, the outer side wall of the sliding ring 11 seals the inlet of the sewage drain pipe 15 to prevent the sewage from being directly discharged from the position of the sewage drain pipe 15, when the bottom surface of the piston plate one 14 contacts with the trigger switch 1, the control valve 3 on the water outlet pipe 2 is opened, as the connection position of the filter cavity 4 and the annular water inlet cavity 10 is in a horn mouth shape, sewage enters the filter cavity 4 from the gap position, and is filtered by the permeable membrane 12 under the action of the pressure of continuously entering the sewage, the filtered sewage enters the clear water cavity 17 above the first piston plate 14 from the bottom end of the permeable membrane 12, in the continuous water inlet process of the water conveying pump, the filtered water continuously increases along with the upper part of the first piston plate 14, so that the filtered water is precipitated in the clear water cavity 17, overflows into the water outlet pipe 2 from the inlet of the water outlet pipe 2 connected with the top of the side surface of the clear water cavity 17, the quality of the water is improved, the impurities in the water are reduced, the surface of the permeable membrane 12 is easily adsorbed with the long-time sewage filtration, and a large amount of blockage is easily caused at the moment, closing the water delivery assembly 7 to stop water inflow to the inside of the treatment cylinder 5, then pushing the first piston plate 14 to move upwards along the inside of the clean water cavity 17 under the action of the return spring 16, and when the first piston plate 14 is separated from the instant control valve 3 of the trigger switch 1, enabling filtered water above the first piston plate 14 to enter the inside of the permeable membrane 12 and to be reversely flushed from the inside to the outside of the permeable membrane 12, removing impurities adsorbed on the permeable membrane 12, and discharging the impurities remained in the backwashing and filtering cavity 4 through 15, so that the permeable membrane 12 is conveniently cleaned, the service life of the permeable membrane 12 is prolonged, meanwhile, the outer surface of the permeable membrane 12 is cleaned by wiping the inner side of the connecting ring 18 through the wiping ring 19 in the process of moving the first piston plate 14, the sliding ring 11 and the annular piston 9 upwards, the cleaning of the permeable membrane 12 is further improved, and the service life of the permeable membrane 12 is prolonged.
Example two
The difference with implementation is that, as shown in fig. 3, the number of the treatment barrels 5 is two, the water outlet pipes 2 of the two treatment barrels 5 are connected with a water outlet main pipe 20, the water discharging pipes 15 of the two treatment barrels 5 are connected with a water discharging main pipe 21, the water delivery component 7 is used for intermittently supplying water to the water inlet pipes 8 on the two treatment barrels 5, the water delivery component 7 comprises a water inlet tank 23 and a driving mechanism at the top of the water inlet tank 23, wherein two water inlet cavities 27 are symmetrically arranged in the water inlet tank 23, piston plates two 22 are slidably connected in the water inlet cavities 27, piston rods three 25 are hinged at the top of the piston plates two 22, water inlet pipes 8 on the two treatment barrels 27 are respectively connected at the bottom of the water inlet cavities 27, water suction pipes 28 which are connected with the two water inlet cavities 27 are respectively connected at the bottom of the two sides of the water inlet tank 23, the driving mechanism is installed at the top of the water inlet tank 23 through a supporting frame, the driving mechanism comprises a bracket, a bracket-shaped bow-shaped motor 24 and a driving shaft 24 which is connected with the two ends of the bracket-shaped motor 24, and the piston rods 24 are arranged at the top ends of the piston rods 25 are both sides of the piston rods and are staggered, and the piston rods are arranged at the top ends of the piston rods 25.
In this embodiment, the external power supply provides power support for the driving motor 26 inside the water delivery assembly 7, so that the bow-shaped rotating shaft 24 rotates, the crankshaft connecting rod principle inside the engine is utilized in the rotating process, so that the two piston plates 22 move up and down along the inside of the water inlet cavity 27, when one piston plate 22 inside one water inlet cavity 27 inside the water inlet tank 23 is located at the bottom end inside the water inlet cavity 27, the other piston plate 22 is located at the top end inside the other water inlet cavity 27 inside the water inlet tank 23, when the piston plate 22 moves from bottom to top, sewage is pumped into the inside of the water inlet cavity 27 through the water suction pipe 28, then when the piston plate 22 moves from top to bottom, the sewage pumped into the inside of the water inlet cavity 27 enters the inside of the treatment cylinder 5 from the position of the water inlet pipe 8, and then the sewage is filtered according to the filtering process inside the treatment cylinder 5 in the first embodiment, but the difference from implementation is that in the process of alternately filtering the sewage by the two treatment cylinders 5, continuous filtering of the sewage is realized, the use is convenient, meanwhile, the piston plate 22 is pushed by the negative pressure to push the piston plate 22 to the right, and the filter membrane 12 is not permeate the corresponding to the membrane 12, and the filter membrane 12 is not permeate the membrane 12 is simultaneously, and the filter membrane is not cleaned by the upper membrane 12.
As can be seen from the contents of the first embodiment and the second embodiment, when the treatment cylinder 5 is one, in the filtering process, when water is stopped from entering the water inlet pipe 8, the clear water on the first piston plate 14 is backwashed on the permeable membrane 12 by using the reset spring 16, and meanwhile, the outer surface of the permeable membrane 12 is cleaned by using the cleaning ring 19, so that the cleaning of the permeable membrane 12 is improved, the service life of the permeable membrane 12 is prolonged, and when the treatment cylinder 5 is two, in the process of continuously moving the second piston plate 22 up and down, the continuous filtering of sewage is realized, the cleaning of the permeable membrane 12 under the action of one period of up and down movement of the second piston plate 22 is also realized, the use is convenient, and the service life is prolonged.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments will fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (5)
1. The utility model provides an anti-fouling membrane module water treatment device with back flush function, its characterized in that includes at least one processing section of thick bamboo (5) and water delivery module (7), wherein, processing section of thick bamboo (5) inside has set gradually annular intake chamber (10), filter chamber (4) and clear water chamber (17) from top to bottom, and annular intake chamber (10) are horn mouth form with filter chamber (4) hookup location department, the inside sliding connection of annular intake chamber (10) has annular piston (9), and the bottom symmetry of annular piston (9) is vertically fixed with piston rod one (6), the top of annular intake chamber (10) left side is connected with inlet tube (8), and the other end and the water delivery module (7) of inlet tube (8) are linked together, the bottom of piston rod one (6) extends to the top of filter chamber (4) and is connected with slip ring (11), the inside intermediate position department of filter chamber (4) is vertical installs osmotic membrane (12), and is fixed with go-between two (6) at osmotic membrane (12) lateral surface top, link ring (18) between two piston rod one (6) of osmotic membrane (12) lateral surface top, the top is connected with on the side wall (19) is connected with on the side of the inner wall (6) and is connected with the filter tube (19) on the side of scraping side (4), the bottom symmetry of slip ring (11) is vertical to be fixed with piston rod two (13), and the bottom of piston rod two (13) extends to clear water chamber (17) inside top and is connected with piston board one (14), the bottom of piston board one (14) is connected with clear water chamber (17) inside bottom through reset spring (16), clear water chamber (17) left top is connected with outlet pipe (2), and installs control valve (3) on outlet pipe (2), trigger switch (1) are installed to clear water chamber (17) inside bottom of reset spring (16) one side, and are connected between trigger switch (1) and control valve (3) electricity.
2. The anti-fouling membrane module water treatment device with a back flushing function according to claim 1, wherein the water delivery module (7) is a water delivery pump.
3. The water treatment device with the anti-fouling membrane assembly with the backwashing function according to claim 1, wherein the number of the treatment barrels (5) is two, the water outlet pipes (2) of the two treatment barrels (5) are connected with a water drainage main pipe (20), the sewage drainage pipes (15) of the two treatment barrels (5) are connected with a sewage drainage main pipe (21), and the water delivery assembly (7) is used for intermittently supplying water to the water inlet pipes (8) on the two treatment barrels (5).
4. The device for treating the sewage with the back flushing function according to claim 3, wherein the water delivery assembly (7) comprises a water inlet tank (23) and a driving mechanism at the top of the water inlet tank (23), wherein two water inlet cavities (27) are symmetrically arranged at the top of the water inlet tank (23), piston plates II (22) are slidably connected in the water inlet cavities (27), piston rods III (25) are hinged at the tops of the piston plates II (22), water inlet pipes (8) on two treatment cylinders (5) are respectively arranged at the bottoms of the two water inlet cavities (27) and are communicated, water suction pipes (28) communicated with the two water inlet cavities (27) are connected at the bottoms of two sides of the water inlet tank (23), the driving mechanism is arranged at the top of the water inlet tank (23) through a supporting frame and comprises a bow-shaped rotating shaft (24) of the supporting frame and a driving motor (26) connected with one end of the bow-shaped rotating shaft (24), and the top ends of the two piston rods III (25) are arranged at the outer sides of the bow-shaped rotating shaft (24) in a staggered mode.
5. The water treatment device with the back flushing function for the anti-fouling membrane assembly according to claim 4, wherein the water suction pipe (28) and the water inlet pipe (8) are provided with one-way valves.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111066600.4A CN113750806B (en) | 2021-09-13 | 2021-09-13 | Anti-fouling membrane module water treatment device with back flushing function |
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| CN202111066600.4A CN113750806B (en) | 2021-09-13 | 2021-09-13 | Anti-fouling membrane module water treatment device with back flushing function |
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| CN113750806B true CN113750806B (en) | 2023-05-30 |
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