CN117049739A - Reverse osmosis membrane sewage treatment device and sewage treatment method - Google Patents
Reverse osmosis membrane sewage treatment device and sewage treatment method Download PDFInfo
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- CN117049739A CN117049739A CN202311116214.0A CN202311116214A CN117049739A CN 117049739 A CN117049739 A CN 117049739A CN 202311116214 A CN202311116214 A CN 202311116214A CN 117049739 A CN117049739 A CN 117049739A
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- reverse osmosis
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- osmosis membrane
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- 238000011282 treatment Methods 0.000 title claims abstract description 205
- 239000010865 sewage Substances 0.000 title claims abstract description 174
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 73
- 239000012528 membrane Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 230000001427 coherent effect Effects 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a reverse osmosis membrane sewage treatment device and a sewage treatment method, wherein the device comprises a water inlet tank, a treatment tank, a water outlet tank and a driving tank; a driving piece is arranged on the driving box; two groups of sewage treatment components are arranged in the treatment box and are divided into a first sewage treatment chamber, a second sewage treatment chamber and a third sewage treatment chamber by the two groups of sewage treatment components; the first sewage treatment chamber, the second sewage treatment chamber and the third sewage treatment chamber are respectively provided with a piston plate, and the three groups of piston plates realize alternate lifting through the transmission of a driving piece. The invention is provided with a plurality of groups of sewage treatment components, and the reverse osmosis membrane area and the sealing area are opposite to/staggered with the through holes along with the rotation of the treatment plate, so that the control of the sewage filtration process is realized. And meanwhile, the pressure is alternately regulated by matching with a piston plate, so that the reverse osmosis speed is increased. Realizing repeated and graded reverse osmosis purification. The whole sewage treatment process is coherent, various in modes, high in automation and high in efficiency.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a reverse osmosis membrane sewage treatment device and a sewage treatment method.
Background
The reverse osmosis membrane sewage treatment device is a device for purifying sewage by using a reverse osmosis filter membrane, and uses pressure difference as driving force to separate solvent from solution, when the device works, the pressure is applied to feed liquid on one side of the membrane, when the pressure exceeds the osmotic pressure of the device, the solvent can reverse osmosis in the natural osmosis direction, so that the permeated solvent, namely permeate liquid, is obtained on the low pressure side of the membrane, and concentrated solution, namely concentrate, is obtained on the high pressure side of the membrane.
The existing reverse osmosis membrane sewage treatment device adopts a uniform pressurizing mode to accelerate the reverse osmosis effect. For example, chinese patent with publication No. CN112159020a discloses a sewage plant interlink water treatment device with reverse osmosis function, which comprises a first-stage filter tube and a plurality of secondary filter tubes stacked in rows, the tail ends of the plurality of secondary filter tubes are provided with a circulation group for refluxing filtered concentrate to the front end of the second-stage filter tube, the inside of the first-stage filter tube is connected end to end with a plurality of filter membrane groups, the filter membrane groups are formed by butting a main coil and filter membrane tubes, a permeable membrane in a coiled structure is sleeved in the second-stage filter tube, a water collecting tube is adhered to one long side of the permeable membrane, a water inlet net is arranged in the middle layer of the permeable membrane, and a semipermeable membrane and a water producing net are sequentially arranged above and below the water inlet net. The invention circularly filters high-concentration sewage through the first-stage filter tube and the spiral pushing type filter membrane group to intercept large-particle macromolecules, and then guides and discharges filtered clean liquid into a plurality of groups of second-stage filter tubes to circularly filter for multiple times, thus obtaining clean water and collecting the clean water for standby use. When the device meets the joint work of multistage reverse osmosis membranes, a certain interference is easy to generate, so that the permeation efficiency is unstable, the continuity and the automaticity of the filtration process are insufficient, and the sewage treatment efficiency is influenced.
Disclosure of Invention
Aiming at the problems in the background technology, a reverse osmosis membrane sewage treatment device and a sewage treatment method are provided. The invention is provided with a plurality of groups of sewage treatment components, and the reverse osmosis membrane area and the sealing area are opposite to or staggered with the through holes along with the rotation of the treatment plate, so that the control of the sewage filtration process is realized. And meanwhile, the pressure is alternately regulated by matching with a piston plate, so that the reverse osmosis speed is increased. Realizing repeated and graded reverse osmosis purification. The whole sewage treatment process is coherent, various in modes, high in automation and high in efficiency.
The invention provides a reverse osmosis membrane sewage treatment device, which comprises a water inlet tank, a treatment tank, a water outlet tank and a driving tank; the water inlet tank is communicated with the treatment tank through a first one-way valve; the treatment tank is communicated with the water outlet tank through a second check valve; the driving box is arranged on the treatment box, and a driving piece is arranged inside the driving box; two groups of sewage treatment components are arranged in the treatment box, and the treatment box is divided into a first sewage treatment chamber, a second sewage treatment chamber and a third sewage treatment chamber by the two groups of sewage treatment components; the first sewage treatment chamber, the second sewage treatment chamber and the third sewage treatment chamber are respectively provided with a piston plate, and the three groups of piston plates are driven by a driving piece to realize lifting, wherein the piston plates at two sides synchronously lift and are opposite to the piston plate in the middle;
the sewage treatment assembly comprises a mounting plate, a treatment plate and a first motor; the mounting plate is arranged in the treatment box, intercepts sewage, cleans the treatment plate, is provided with a first motor at the center and is provided with a through hole at the periphery; the treatment plate is connected with an output shaft of the motor, is rotatably arranged on one side of the mounting plate facing the water outlet tank, and is provided with a reverse osmosis membrane area and a sealing area at the periphery; the reverse osmosis membrane area and the sealing area are opposite to or staggered with the through holes along with the rotation of the treatment plate.
Preferably, the mounting plate is provided with a mounting groove; the processing plate is rotatably arranged in the mounting groove.
Preferably, the through hole is provided below the mounting groove.
Preferably, an ultrasonic cleaning area is arranged above the mounting groove.
Preferably, the driving piece comprises a motor II, a rotating shaft and an eccentric wheel; the rotating shaft is connected with the motor II, the eccentric wheels are provided with three groups which are fixedly connected on the rotating shaft, the lower ends of the three groups of eccentric wheels are respectively and correspondingly abutted with the three groups of piston plates, and the eccentric wheels in the middle and the convex ends of the eccentric wheels on the two sides are always opposite.
Preferably, the first check valve and the second check valve are opposite to the through hole.
Preferably, a filter plate is arranged in the water inlet tank; the water inlet is arranged above the filter plate, and the one-way valve I is arranged below the filter plate.
Preferably, the bottom of the water inlet tank is provided with a mud collecting box; the mud collecting box is arranged below the first check valve.
Preferably, a water quality detector is arranged in the water outlet tank.
The invention also provides a sewage treatment method of the reverse osmosis membrane sewage treatment device, which comprises the following steps:
s1, sewage is firstly introduced into a water inlet tank, filtered by a filter plate, added with a precipitant, fully mixed and then stood;
s2, after the precipitation is completed, starting a driving piece, driving an eccentric wheel to rotate through a motor II, enabling a first group of piston plates and a third group of piston plates to move upwards, and enabling a second group of piston plates to move downwards; at this time, the sealing area of the first group of sewage treatment components is opposite to the through hole; the reverse osmosis membrane area of the second sewage treatment component is opposite to the through hole; sewage enters a first sewage treatment chamber from a first one-way valve, and sewage in a second sewage treatment chamber enters a third sewage treatment chamber through a reverse osmosis membrane;
s3, the first group of piston plates and the third group of piston plates move downwards, the second group of piston plates move upwards, and at the moment, the sealing area of the second group of sewage treatment assembly is opposite to the through hole; the reverse osmosis membrane area of the first sewage treatment component is opposite to the through hole; the sewage enters the second sewage treatment chamber through the reverse osmosis membrane from the sewage treatment chamber, and the purified sewage in the third sewage treatment chamber enters the water outlet tank;
s4, repeating the operation, sequentially treating the sewage in the water inlet tank, transferring the sewage to the water outlet tank, and periodically starting an ultrasonic cleaning area to remove and dredge the reverse osmosis membrane in the purifying process;
s5, discharging the water in the water outlet tank after the water is detected to be qualified.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the invention is provided with a water inlet tank, a treatment tank and a water outlet tank which are connected in sequence, and the water inlet tank carries out preliminary filtration and sedimentation treatment on sewage. The treatment box is provided with a plurality of groups of sewage treatment components, and a reverse osmosis membrane area and a sealing area on the treatment box are opposite to/staggered with the through holes on the mounting plate along with the rotation of the treatment plate, so that the filtration process control of sewage is realized. And meanwhile, the piston plate is matched for alternately adjusting the pressure of the first sewage treatment chamber, the second sewage treatment chamber and the third sewage treatment chamber, so that the reverse osmosis speed is increased. The method realizes repeated and graded reverse osmosis purification, intercepts pollution and impurity components, and finally detects the purified water quality condition by a water outlet tank. The whole sewage treatment process is coherent, various in modes, high in automation and high in efficiency.
2. The invention is provided with an ultrasonic cleaning area, and the dirt layer is dispersed, emulsified and peeled off by utilizing the cavitation, acceleration and direct and indirect actions of ultrasonic waves in liquid and the reverse osmosis membrane. The reverse osmosis performance of the reverse osmosis membrane is five stable and durable.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic diagram showing a split structure of a mounting plate and a processing plate according to an embodiment of the present invention.
Fig. 4 is a rear view of a mounting plate in one embodiment of the invention.
Reference numerals:
1. a water inlet tank;
2. discharging the water tank;
3. a first sewage treatment chamber;
4. a second sewage treatment chamber;
5. a sewage treatment chamber III;
6. a first check valve;
7. a second check valve;
8. a sewage treatment assembly;
9. a drive box;
10. a second motor;
11. a rotating shaft;
12. an eccentric wheel;
13. a piston plate;
14. a filter plate;
15. a mud collecting box;
16. a mounting plate;
17. a treatment plate;
18. a first motor;
19. a through hole;
20. a reverse osmosis membrane zone;
21. a sealing region;
22. an ultrasonic cleaning zone.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
While the embodiments of the present invention have been illustrated and described in detail in the drawings, the cross-sectional view of the device structure is not to scale in the general sense for ease of illustration, and the drawings are merely exemplary and should not be construed as limiting the scope of the invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Also in the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper, lower, inner and outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected, and coupled" should be construed broadly in this disclosure unless otherwise specifically indicated and defined, such as: can be fixed connection, detachable connection or integral connection; it may also be a mechanical connection, an electrical connection, or a direct connection, or may be indirectly connected through an intermediate medium, or may be a communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1-3, the reverse osmosis membrane sewage treatment device provided by the invention comprises a water inlet tank 1, a treatment tank, a water outlet tank 2 and a driving tank 9; the water inlet tank 1 is communicated with the treatment tank through a one-way valve I6; the treatment tank is communicated with the water outlet tank 2 through a second check valve 7; the driving box 9 is arranged on the processing box, and a driving piece is arranged inside the driving box; two groups of sewage treatment components 8 are arranged in the treatment box, and the treatment box is divided into a first sewage treatment chamber 3, a second sewage treatment chamber 4 and a third sewage treatment chamber 5 by the two groups of sewage treatment components 8; the first sewage treatment chamber 3, the second sewage treatment chamber 4 and the third sewage treatment chamber 5 are respectively provided with a piston plate 13, and the three groups of piston plates 13 are driven by a driving piece to realize lifting, wherein the piston plates 13 on two sides synchronously lift and are opposite to the piston plate 13 in the middle.
Wherein the sewage treatment assembly 8 comprises a mounting plate 16, a treatment plate 17 and a motor I18; the mounting plate 16 is arranged in the treatment box and used for intercepting sewage and cleaning the treatment plate 17, a motor I18 is arranged in the center, and a through hole 19 is arranged at the periphery; the treatment plate 17 is connected with an output shaft of a motor I18, is rotatably arranged on one side of the mounting plate 16 facing the water outlet tank 2, and is provided with a reverse osmosis membrane area 20 and a sealing area 21 at the periphery; the reverse osmosis membrane region 20 and the sealing region 21 are opposite to or staggered with the through-holes 19 as the treatment plate 17 rotates.
It should be further noted that the driving member includes a second motor 10, a rotating shaft 11, and an eccentric wheel 12; the rotating shaft 11 is driven by a second motor 10, is horizontally positioned and is rotatably arranged in the driving box 9; the eccentric wheels 12 are provided with three groups, the lower ends of the eccentric wheels are in one-to-one correspondence with the piston plates 13, the upper ends of the eccentric wheels are sequentially sleeved on the rotating shaft 11, and the middle eccentric wheels 12 and the convex ends of the eccentric wheels 12 on the two sides are always reversed. The second motor 10 drives the rotating shaft 11 to rotate, the three eccentric wheels 12 synchronously rotate, the piston plate 13 is pushed to alternately undulate, and the movement of sewage is controlled.
In this embodiment, the water inlet tank 1, the treatment tank and the water outlet tank 2 are sequentially connected, the water inlet tank 1 performs primary treatment on sewage, the treatment tank is provided with a plurality of groups of sewage treatment components 8, and a reverse osmosis membrane area 20 and a sealing area 21 on the sewage treatment components 8 rotate along with the treatment plate 17 and are opposite to/staggered with the through holes 19 on the mounting plate 16, so that the filtration process control of sewage is realized. Meanwhile, the pressure of the first sewage treatment chamber 3, the second sewage treatment chamber 4 and the third sewage treatment chamber 5 is alternately regulated by matching with the piston plate 13, so that the reverse osmosis speed is increased. The method realizes repeated and graded reverse osmosis purification, intercepts pollution and impurity components, and finally the purified water is finally treated by the water outlet tank 2. The whole sewage treatment process is coherent, various in modes, high in automation and high in efficiency.
Example two
As shown in fig. 1-3, the reverse osmosis membrane sewage treatment device provided by the invention comprises a water inlet tank 1, a treatment tank, a water outlet tank 2 and a driving tank 9; the water inlet tank 1 is communicated with the treatment tank through a one-way valve I6; the treatment tank is communicated with the water outlet tank 2 through a second check valve 7; the driving box 9 is arranged on the processing box, and a driving piece is arranged inside the driving box; two groups of sewage treatment components 8 are arranged in the treatment box and are divided into a first sewage treatment chamber 3, a second sewage treatment chamber 4 and a third sewage treatment chamber 5; the first sewage treatment chamber 3, the second sewage treatment chamber 4 and the third sewage treatment chamber 5 are respectively provided with a piston plate 13, and the three groups of piston plates 13 are driven by a driving piece to realize lifting, wherein the piston plates 13 on two sides synchronously lift and are opposite to the piston plates 13 in the middle; the sewage treatment assembly 8 comprises a mounting plate 16, a treatment plate 17 and a motor I18; the mounting plate 16 is arranged in the treatment box, the mounting plate 16 is used for intercepting sewage, cleaning the treatment plate 17, the motor I18 is arranged in the center, and the through holes 19 are arranged on the periphery; the treatment plate 17 is connected with an output shaft of a motor I18, is rotatably arranged on one side of the mounting plate 16 facing the water outlet tank 2, and is provided with a reverse osmosis membrane area 20 and a sealing area 21 at the periphery; the reverse osmosis membrane region 20 and the sealing region 21 are opposite to or staggered with the through-holes 19 as the treatment plate 17 rotates.
It should be further noted that the driving member includes a second motor 10, a rotating shaft 11, and an eccentric wheel 12; the rotating shaft 11 is driven by a second motor 10, is horizontally positioned and is rotatably arranged in the driving box 9; the eccentric wheels 12 are provided with three groups, the lower ends of the eccentric wheels are in one-to-one correspondence with the piston plates 13, the upper ends of the eccentric wheels are sequentially sleeved on the rotating shaft 11, and the middle eccentric wheels 12 and the convex ends of the eccentric wheels 12 on the two sides are always reversed. The second motor 10 drives the rotating shaft 11 to rotate, the three eccentric wheels 12 synchronously rotate, the piston plate 13 is pushed to alternately undulate, and the movement of sewage is controlled.
As shown in fig. 4, the mounting plate 16 is provided with a mounting groove; the treatment plate 17 is rotatably disposed in the mounting groove. An ultrasonic cleaning zone 22 is provided above the mounting slot. The ultrasonic cleaning zone 22 uses cavitation, acceleration and direct flow of ultrasonic wave in liquid to make the dirt layer dispersed, emulsified and stripped for cleaning. The reverse osmosis performance of the reverse osmosis membrane is five stable and durable.
It should be further noted that the through hole 19 is provided below the mounting groove. The first check valve 6 and the second check valve 7 are opposite to the through hole 19.
Example III
As shown in fig. 1-3, the reverse osmosis membrane sewage treatment device provided by the invention comprises a water inlet tank 1, a treatment tank, a water outlet tank 2 and a driving tank 9; the water inlet tank 1 is communicated with the treatment tank through a one-way valve I6; the treatment tank is communicated with the water outlet tank 2 through a second check valve 7; the driving box 9 is arranged on the processing box, and a driving piece is arranged inside the driving box; two groups of sewage treatment components 8 are arranged in the treatment box and are divided into a first sewage treatment chamber 3, a second sewage treatment chamber 4 and a third sewage treatment chamber 5; the first sewage treatment chamber 3, the second sewage treatment chamber 4 and the third sewage treatment chamber 5 are respectively provided with a piston plate 13, and the three groups of piston plates 13 are driven by a driving piece to realize lifting, wherein the piston plates 13 on two sides synchronously lift and are opposite to the piston plates 13 in the middle; wherein the sewage treatment assembly 8 comprises a mounting plate 16, a treatment plate 17 and a motor I18; the mounting plate 16 is arranged in the treatment box, intercepts sewage, cleans the treatment plate 17, is provided with a motor I18 at the center and is provided with a through hole 19 at the periphery; the treatment plate 17 is connected with an output shaft of the motor I18 and is rotatably arranged on one side of the mounting plate 16 facing the water outlet tank 2, and a reverse osmosis membrane area 20 and a sealing area 21 are arranged on the periphery of the treatment plate; the reverse osmosis membrane region 20 and the sealing region 21 are opposed to/staggered from the through-holes 19 as the treatment plate 17 rotates, and cover them.
It should be further noted that the driving member includes a second motor 10, a rotating shaft 11, and an eccentric wheel 12; the rotating shaft 11 is driven by a second motor 10, is horizontally positioned and is rotatably arranged in the driving box 9; the eccentric wheels 12 are provided with three groups, the lower ends of the eccentric wheels are in one-to-one correspondence with the piston plates 13, the upper ends of the eccentric wheels are sequentially sleeved on the rotating shaft 11, and the middle eccentric wheels 12 and the convex ends of the eccentric wheels 12 on the two sides are always reversed. The second motor 10 drives the rotating shaft 11 to rotate, the three eccentric wheels 12 synchronously rotate, the piston plate 13 is pushed to alternately undulate, and the movement of sewage is controlled.
As shown in fig. 4, the mounting plate 16 is provided with a mounting groove; the treatment plate 17 is rotatably disposed in the mounting groove. An ultrasonic cleaning zone 22 is provided above the mounting slot. The ultrasonic cleaning zone 22 uses cavitation, acceleration and direct flow of ultrasonic wave in liquid to make the dirt layer dispersed, emulsified and stripped for cleaning. The reverse osmosis performance of the reverse osmosis membrane is five stable and durable.
It should be further noted that the through hole 19 is provided below the mounting groove. The first check valve 6 and the second check valve 7 are opposite to the through hole 19.
It should be further noted that the filter plate 14 is disposed in the water inlet tank 1; the upper part of the filter plate 14 is provided with a water inlet, and the lower part is provided with a one-way valve I6. The bottom of the water inlet tank 1 is provided with a mud collecting box 15; the mud collecting box 15 is positioned below the one-way valve 6. The water inlet tank 1 carries out preliminary filtration and sedimentation treatment on the inlet water.
It should be further noted that a water quality detector is disposed in the water outlet tank 2 to detect the purified water quality.
Example IV
The invention also provides a sewage treatment method based on the reverse osmosis membrane sewage treatment device, which comprises the following steps:
s1, sewage is firstly introduced into a water inlet tank 1, filtered by a filter plate 14, added with a precipitant, fully mixed and then stood;
s2, after the precipitation is completed, starting a driving piece, driving an eccentric wheel 12 to rotate through a motor II 10, enabling a first group of piston plates 13 and a third group of piston plates 13 to move upwards, and enabling a second group of piston plates 13 to move downwards; the sealing area 21 of the first group of sewage treatment modules 8 is now opposite to the through hole 19; the reverse osmosis membrane area 20 of the second sewage treatment assembly 8 is opposite to the through hole 19; sewage enters the first sewage treatment chamber 3 from the first check valve 6, and sewage in the second sewage treatment chamber 4 enters the third sewage treatment chamber 5 through a reverse osmosis membrane;
s3, the first group of piston plates and the third group of piston plates 13 move downwards, the second group of piston plates 13 move upwards, and the treatment plate 17 rotates so that the sealing area 21 of the second group of sewage treatment assembly 8 is opposite to the through hole 19; the reverse osmosis membrane area 20 of the first sewage treatment assembly 8 is opposite to the through hole 19; sewage enters a second sewage treatment chamber 4 from a first sewage treatment chamber 3 through a reverse osmosis membrane, and purified sewage in a third sewage treatment chamber 5 enters a water outlet tank 2;
s4, repeating the operation, sequentially treating the sewage in the water inlet tank 1, transferring the sewage to the water outlet tank 2, and periodically starting the ultrasonic cleaning area 22 to remove and dredge the reverse osmosis membrane in the purifying process;
s5, discharging the water in the water outlet tank 2 after the water is detected to be qualified.
The sewage treatment method in this embodiment adopts multiple and graded filtration to sufficiently purify sewage. The whole filtering process is coherent and efficient, the labor consumption is small, and the purifying effect is good.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (10)
1. The reverse osmosis membrane sewage treatment device is characterized by comprising a water inlet tank (1), a treatment tank, a water outlet tank (2) and a driving tank (9); the water inlet tank (1) is communicated with the treatment tank through a one-way valve I (6); the treatment tank is communicated with the water outlet tank (2) through a second check valve (7); the driving box (9) is arranged on the treatment box, and a driving piece is arranged in the driving box; two groups of sewage treatment components (8) are arranged in the treatment box, and the treatment box is divided into a first sewage treatment chamber (3), a second sewage treatment chamber (4) and a third sewage treatment chamber (5) by the two groups of sewage treatment components (8); the sewage treatment chamber I (3), the sewage treatment chamber II (4) and the sewage treatment chamber III (5) are respectively provided with a piston plate (13), and the three groups of piston plates (13) are driven by a driving piece to realize lifting, wherein the piston plates (13) on two sides synchronously lift and are opposite to the piston plates (13) in the middle;
the sewage treatment assembly (8) comprises a mounting plate (16), a treatment plate (17) and a motor I (18); the mounting plate (16) is arranged in the treatment box, intercepts sewage, cleans the treatment plate (17), is provided with a motor I (18) at the center and is provided with a through hole (19) at the periphery; the treatment plate (17) is connected with an output shaft of the motor I (18), is rotatably arranged on one side of the mounting plate (16) facing the water outlet tank (2), and is provided with a reverse osmosis membrane area (20) and a sealing area (21) at the periphery; the reverse osmosis membrane area (20) and the sealing area (21) are opposite to or staggered with the through holes (19) along with the rotation of the treatment plate (17).
2. A reverse osmosis membrane sewage treatment device according to claim 1, wherein the mounting plate (16) is provided with a mounting groove; the treatment plate (17) is rotatably arranged in the mounting groove.
3. A reverse osmosis membrane sewage treatment device according to claim 2, characterized in that the through-hole (19) is provided below the installation groove.
4. A reverse osmosis membrane sewage treatment device according to claim 2, wherein an ultrasonic cleaning zone (22) is provided above the installation tank.
5. The reverse osmosis membrane sewage treatment device according to claim 1, wherein the driving member comprises a motor II (10), a rotating shaft (11) and an eccentric wheel (12); the rotating shaft (11) is connected with the motor II (10), the eccentric wheels (12) are provided with three groups, the eccentric wheels are fixedly connected to the rotating shaft (11), the lower ends of the three groups of eccentric wheels (12) are respectively and correspondingly abutted with the three groups of piston plates (13), and the convex ends of the eccentric wheels (12) in the middle and the eccentric wheels (12) on the two sides are always opposite.
6. The reverse osmosis membrane sewage treatment device according to claim 1, wherein the first check valve (6) and the second check valve (7) are located opposite to the through hole (19).
7. A reverse osmosis membrane sewage treatment device according to claim 1, characterized in that a filter plate (14) is arranged in the water inlet tank (1); a water inlet is arranged above the filter plate (14), and a first check valve (6) is arranged below the water inlet.
8. A reverse osmosis membrane sewage treatment device according to claim 1, characterized in that the bottom of the water inlet tank (1) is provided with a mud collecting box (15); the mud collecting box (15) is positioned below the first check valve (6).
9. A reverse osmosis membrane sewage treatment device according to claim 1, wherein a water quality detector is arranged in the water outlet tank (2).
10. A sewage treatment method, characterized in that the reverse osmosis membrane sewage treatment apparatus according to any one of claims 1 to 9 is used, comprising the steps of:
s1, introducing sewage into a water inlet tank (1), filtering by a filter plate (14), adding a precipitant, mixing thoroughly, and standing;
s2, after the precipitation is completed, starting a driving piece, driving an eccentric wheel (12) to rotate through a motor II (10), enabling a first group of piston plates (13) and a third group of piston plates (13) to move upwards, and enabling a second group of piston plates (13) to move downwards; the sealing area (21) of the first group of sewage treatment components (8) is opposite to the through hole (19); the reverse osmosis membrane area (20) of the second sewage treatment component (8) is opposite to the through hole (19); sewage enters a first sewage treatment chamber (3) from a first check valve (6), and sewage in a second sewage treatment chamber (4) enters a third sewage treatment chamber (5) through a reverse osmosis membrane;
s3, the first group of piston plates and the third group of piston plates (13) move downwards, the second group of piston plates (13) move upwards, and at the moment, a sealing area (21) of the second group of sewage treatment assembly (8) is opposite to the through hole (19); the reverse osmosis membrane area (20) of the first sewage treatment component (8) is opposite to the through hole (19); sewage enters a second sewage treatment chamber (4) from a first sewage treatment chamber (3) through a reverse osmosis membrane, and purified sewage in a third sewage treatment chamber (5) enters a water outlet tank (2);
s4, repeating the operation, sequentially treating the sewage in the water inlet tank (1), transferring the sewage to the water outlet tank (2), and periodically starting an ultrasonic cleaning area (22) to remove and dredge the reverse osmosis membrane in the purifying process;
s5, discharging the water in the water outlet tank (2) after the water is detected to be qualified.
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Cited By (1)
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| CN117049739B (en) | 2024-06-11 |
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