CN113069930B - Coiled permeable membrane descaling system of brackish water purifier - Google Patents

Coiled permeable membrane descaling system of brackish water purifier Download PDF

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Publication number
CN113069930B
CN113069930B CN202110487452.7A CN202110487452A CN113069930B CN 113069930 B CN113069930 B CN 113069930B CN 202110487452 A CN202110487452 A CN 202110487452A CN 113069930 B CN113069930 B CN 113069930B
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scale
shaft
fixedly arranged
permeable membrane
fixed
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CN113069930A (en
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陈兴弟
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Kaixian Pharmaceutical Equipment Nanjing Co ltd
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Kaixian Pharmaceutical Equipment Nanjing Co ltd
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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/26—By suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/30—Mechanical cleaning, e.g. with brushes or scrapers
    • 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)
  • Chemical Kinetics & Catalysis (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)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention belongs to the field of brackish water purification, and relates to a coiled permeable membrane descaling system of a brackish water purifier, which comprises a shell, wherein two fixing plates which are vertically symmetrical are fixedly arranged on the upper side wall and the lower side wall of the shell, a coiled permeable membrane is fixedly arranged between the upper fixing plate and the lower fixing plate, a lower fixing plate is fixedly arranged on the upper side wall of the lower fixing plate, a spiral electromagnetic groove is fixedly arranged on the lower fixing plate, and the spiral electromagnetic groove is identical with the coiled permeable membrane in spiral degree. The invention is installed and used on the coiled reverse osmosis membrane, can quickly eliminate the scale on the permeable membrane caused by use at any time, can spray chemical liquid medicine into the filter holes of the permeable membrane by vibration when removing the scale on the surface of the permeable membrane, enhances the use effect of the liquid medicine, enhances the adsorption of the scale in the filter holes, ensures the quick and high-efficiency removal of the scale on the permeable membrane, and extends into the filter holes to strengthen the scale removal effect.

Description

Coiled permeable membrane descaling system of brackish water purifier
Technical Field
The invention belongs to the field of brackish water purification, and particularly relates to a coiled permeable membrane descaling system of a brackish water purifier.
Background
As is well known, the present apparatus for purifying brackish water generally adopts a coiled reverse osmosis membrane, which comprises a central water collecting pipe, a water inlet guide cloth, a water production guide cloth and a plurality of membrane components, raw water enters from one end of the water inlet channel, a part of raw water is filtered by a separation membrane to form pure water, the pure water enters the central water collecting pipe along the water production guide cloth, the rest of unfiltered concentrated water flows out from the other end of the water inlet channel along the water inlet guide cloth, the brackish water is purified by pressure, and along with the purification process, chemical impurities and precipitation in the brackish water gradually form scale on the permeable membrane, the scale covers one side of the permeable membrane, and meanwhile, the scale is accumulated on the filter holes of the permeable membrane, so that the working efficiency of the coiled reverse osmosis membrane is low, the water filtration effect is poor, the difficulty of removing the scale is high for the structural model of the coiled reverse osmosis membrane, and the scale removal effect is not ideal by introducing chemical agents.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a coiled permeable membrane descaling system of a bitter water purifier, which can strengthen the removal of filter Kong Jiegou in the process of removing scale on a coiled reverse osmosis membrane and simultaneously assist the vibration of the scale adsorbed on the membrane.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a bitter clarifier roll-type osmotic membrane scale removal system, includes the casing, fixed two fixed plates that are equipped with the vertical symmetry on the casing upper and lower lateral wall, fixed being equipped with the roll-type osmotic membrane between two upper and lower fixed plates, fixed being equipped with down the fixed plate on the upper lateral wall of fixed plate of downside, fixed being equipped with spiral electromagnetic groove on the fixed plate down, spiral electromagnetic groove with the helicity of roll-type osmotic membrane is the same, fixed being equipped with helical rack on the spiral electromagnetic groove lateral wall, the slip is equipped with electromagnetic slide in the spiral electromagnetic groove, electromagnetic slide upside rotates and is equipped with the rotating shaft, fixed being equipped with rack meshing wheel on the rotating shaft lower lateral wall, rack meshing wheel with spiral rack meshing, the rotating shaft upside is fixed and is equipped with hollow pivot, hollow pivot upside is equipped with telescoping device.
Preferably, the spline connection of hollow pivot upside has lower telescopic shaft, lower telescopic shaft upside spline connection has last telescopic shaft, it is fixed to be equipped with long transmission shaft to go up the telescopic shaft upside, long transmission shaft upside is equipped with fixedly and is equipped with the rotor plate, be equipped with scale deposit collection device on the rotor plate, scale deposit collection device is used for collecting the scale deposit that falls down on the roll-type osmotic membrane, long transmission shaft runs through the rotor plate is upwards, long transmission shaft upper end is fixed with the mill scale wheel, be equipped with scale deposit clearing device on the mill scale wheel, scale deposit clearing device is used for driving the scale deposit that produces because of purifying on the roll-type osmotic membrane.
Preferably, the scale formation collecting device comprises an annular groove fixedly arranged on the upper side wall of the rotating plate, a gravity sliding block is slidably arranged on the annular groove, a rotating connecting block is rotatably arranged on the front side of the gravity sliding block, and a scale formation collecting chamber is fixedly arranged on the rotating connecting block.
Preferably, the scale removing device comprises an in-shaft fixing plate fixed on the inner side of the long transmission shaft, a winding wheel shaft is rotatably arranged on the upper side of the in-shaft fixing plate, a torsion spring is connected between the winding wheel shaft and the side wall of the in-shaft fixing plate, an in-shaft engaging wheel is fixedly arranged on the winding wheel shaft, a half-circle rack is fixedly arranged on the inner side of the long transmission shaft, the in-shaft engaging wheel can be engaged with the half-circle rack, a winding wheel is fixedly arranged on the upper end of the winding wheel shaft, and twelve stay ropes which are not interfered with each other are wound on the winding wheel.
Preferably, the long transmission shaft upper end is fixed and is equipped with the mill dirt wheel, the last annular of mill dirt wheel is equipped with twelve jet-propelled mouths, the last annular of mill dirt wheel is equipped with twelve pressure chambers, every pressure chamber with the corresponding intercommunication of every jet-propelled mouth, every pressure chamber sliding is equipped with the piston, the fixed piston rod that is equipped with on the piston, the mill dirt wheel is close to the fixed interior fixed disk that is equipped with of centre of a circle side, annular array opens on the interior fixed disk has twelve mouths, every piston rod with corresponding opening sliding connection on the interior fixed disk, every piston rod with every opening lateral wall on the interior fixed disk is connected with the connecting rod spring, every piston rod be close to the centre of a circle end with be equipped with medicament sprinkler on the scale deposit clearing device, medicament sprinkler is used for spouting chemical scale remover to the filter membrane hole, improves the scale removal effect.
Preferably, the medicament spraying device comprises liquid draining cavities fixed on the left side of each pressure cavity, a one-way valve pipe is connected between each liquid draining cavity and the left side wall of each pressure cavity corresponding to the right side, a liquid storage cavity is fixedly arranged on the front side wall of the scale grinding wheel, and a pump pipe is connected between the liquid storage cavity and the liquid draining cavity.
When the brackish water purifier is used for a period of time, chemical substances and precipitated impurities of brackish water are filtered through the coiled permeable membrane along with the purification effect, purified water is obtained, along with the use of the coiled permeable membrane, the filter holes on the coiled permeable membrane are gradually blocked, normal purification efficiency and water purification effect are affected, the electromagnetic sliding block is started to slide around the spiral electromagnetic groove in the spiral electromagnetic groove, the scale grinding wheel faces the coiled surface of the coiled permeable membrane, the rack meshing wheel is meshed with the spiral rack, the rotating shaft is driven to rotate, the hollow rotating shaft is driven to rotate through the spline, the lower telescopic shaft is driven to rotate, the long transmission shaft is driven to rotate, the scale grinding wheel is driven to rotate in the long transmission shaft rotating process, the semi-circle rack is driven to rotate when the semi-circle rack meshing wheel is meshed with the inner shaft, the winding wheel shaft is driven to rotate, the winding wheel is loosened, and under the action of the connecting rod spring, each piston connecting rod moves in the direction away from the center end, so that the piston moves away from the center end, and the medicament is sprayed into the filter holes through the spray mouth pieces in the corresponding pressure cavities. Compared with the traditional medicine feeding mode, the mode can be used for more fully spraying the medicine on the filter holes and the coiled permeable membrane, so that the medicine use efficiency is higher, and meanwhile, the scale removal efficiency and effect are improved.
The long transmission shaft continues to rotate, the half-circle rack does not engage with the inner engagement wheel of the shaft any more, the winding wheel shaft is enabled to rotate reversely under the action of the torsion spring, the winding wheel is driven to rotate reversely, the stay rope is tightened, each piston connecting rod is driven to slide towards the circle center direction, negative pressure is generated in each pressure cavity, scaling on the filter hole is sucked down through the spraying port, meanwhile, negative pressure is generated in the pressure cavity, chemicals in the liquid draining cavity are sucked into the pressure cavity for storage, the liquid draining cavity sucks the chemicals from the liquid storing cavity through the pump pipe, and meanwhile, the scale grinding wheel rotates to rub the rolling surface of the coiled permeable membrane along with the rotation of the long transmission shaft. The scale deposit that covers in the roll-type osmotic membrane is scraped down when scraping the roll surface of roll-type osmotic membrane, utilizes the negative pressure to adsorb down with the structure on the filtration pore through the jet-propelled mouth simultaneously, more is directed against the filtration pore of filter membrane, and the scale deposit is clear away deeply, simultaneously accompanies the removal of piston connecting rod, improves the vibration efficiency of mill scale wheel, strengthens under the strong scale deposit vibration shovel to adhesion on the filter membrane, improves the clearance efficiency to the scale deposit.
When the scale of the coiled permeable membrane of the lowest ring is cleaned, the lower telescopic shaft is started to slide upwards in the hollow rotating shaft to lift the scale grinding wheel, the coiled permeable membrane at the lower side is cleaned, the electromagnetic sliding block moves to the centremost of the spiral electromagnetic groove, and then the coiled permeable membrane is reversely started to slide out, and the coiled permeable membrane is reciprocated until the whole filter membrane is cleaned
Along with the rotation of the rotating plate, the gravity sliding block is always positioned at the lowest end in the annular groove along with gravity, so that the rotating connecting block is positioned at the lowest end of the scale grinding wheel, the scale collection chamber is always positioned at the lower end of the scale grinding wheel, and the cleaned scale is collected in the scale collection chamber. And the removed scale is collected, so that the scale is prevented from remaining in the purifying equipment body and the filter membrane is prevented from being worn.
Compared with the prior art, the roll-type osmotic membrane descaling system of the brackish water purifier has the following advantages:
1. compared with the traditional medicine feeding mode, the mode can be used for more fully spraying the medicine on the filter holes and the coiled permeable membrane, so that the medicine use efficiency is higher, and meanwhile, the scale removal efficiency and effect are improved.
2. The scale deposit that covers in the roll-type osmotic membrane is scraped down when scraping the roll surface of roll-type osmotic membrane, utilizes the negative pressure to adsorb down with the structure on the filtration pore through the jet-propelled mouth simultaneously, more is directed against the filtration pore of filter membrane, and the scale deposit is clear away deeply, simultaneously accompanies the removal of piston connecting rod, improves the vibration efficiency of mill scale wheel, strengthens under the strong scale deposit vibration shovel to adhesion on the filter membrane, improves the clearance efficiency to the scale deposit.
3. And the removed scale is collected, so that the scale is prevented from remaining in the purifying equipment body and the filter membrane is prevented from being worn.
Drawings
FIG. 1 is a schematic diagram of a system for descaling a roll-type permeable membrane of a brackish water purifier.
Fig. 2 is a sectional view taken along the direction A-A in fig. 1.
Fig. 3 is an enlarged view of the structure at B in fig. 1.
Fig. 4 is a sectional view in the direction C-C of fig. 3.
Fig. 5 is a sectional view in the direction D-D of fig. 4.
In the figure, 10, a housing; 11. a fixing plate; 12. a roll-type permeable membrane; 13. a hollow rotating shaft; 14. a torsion spring; 15. an in-shaft fixing plate; 16. a lower fixing plate; 17. an electromagnetic slide block; 18. a rotation shaft; 19. a rack engaging wheel; 20. a helical rack; 21. a spiral electromagnetic slot; 22. a pressure chamber; 23. a liquid discharge cavity; 24. a spraying port; 25. a scale grinding wheel; 26. an annular groove; 27. a scale collection chamber; 28. a rotating plate; 29. rotating the connecting block; 30. a gravity slide block; 31. a reel shaft; 32. a pull rope; 33. a reel; 34. a link spring; 35. an inner fixing plate; 36. a piston; 37. a piston connecting rod; 38. a liquid storage cavity; 39. an in-shaft engagement wheel; 40. a half circle of racks; 43. a long transmission shaft; 44. a lower telescopic shaft; 45. and an upper telescopic shaft.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, a coiled permeable membrane descaling system for a brackish water purifier comprises a housing 10, two fixing plates 11 which are vertically symmetrical are fixedly arranged on the upper side wall and the lower side wall of the housing 10, a coiled permeable membrane 12 is fixedly arranged between the upper fixing plate 11 and the lower fixing plate 11, a lower fixing plate 16 is fixedly arranged on the upper side wall of the lower fixing plate 11, a spiral electromagnetic groove 21 is fixedly arranged on the lower fixing plate 16, the spiral electromagnetic groove 21 has the same spiral degree as the coiled permeable membrane 12, a spiral rack 20 is fixedly arranged on the side wall of the spiral electromagnetic groove 21, an electromagnetic sliding block 17 is arranged in the spiral electromagnetic groove 21 in a sliding manner, a rotating shaft 18 is rotatably arranged on the upper side of the electromagnetic sliding block 17, a rack meshing wheel 19 is fixedly arranged on the lower side wall of the rotating shaft 18, the rack meshing wheel 19 is meshed with the spiral rack 20, a hollow rotating shaft 13 is fixedly arranged on the upper side of the rotating shaft 13, and a telescopic device is arranged on the upper side of the hollow rotating shaft 13.
As shown in fig. 1 and 3, the upper spline of the hollow rotating shaft 13 is connected with a lower telescopic shaft 44, the upper spline of the lower telescopic shaft 44 is connected with an upper telescopic shaft 45, a long driving shaft 43 is fixedly arranged on the upper side of the upper telescopic shaft 45, a rotating plate 28 is fixedly arranged on the upper side of the long driving shaft 43, a scale collecting device is arranged on the rotating plate 28 and used for collecting the scales falling from the coiled permeable membrane, the long driving shaft 43 penetrates through the rotating plate 28 upwards, a scale grinding wheel 25 is fixedly arranged at the upper end of the long driving shaft 43, and a scale removing device is arranged on the scale grinding wheel 25 and used for removing the scales generated by purification on the coiled permeable membrane.
As shown in fig. 3 and 5, the scale formation collecting device comprises an annular groove 26 fixedly arranged on the upper side wall of a rotating plate 28, a gravity sliding block 30 is slidably arranged on the annular groove 26, a rotating connecting block 29 is rotatably arranged on the front side of the gravity sliding block 30, and a scale formation collecting chamber 27 is fixedly arranged on the rotating connecting block 29.
As shown in fig. 4 and 5, the scale removing device comprises an inner shaft fixing plate 15 fixed on the inner side of a long transmission shaft 43, a winding wheel shaft 31 is rotatably arranged on the upper side of the inner shaft fixing plate 15, a torsion spring 14 is connected between the winding wheel shaft 31 and the side wall of the inner shaft fixing plate 15, an inner shaft engaging wheel 39 is fixedly arranged on the winding wheel shaft 31, a half-circle rack 40 is fixedly arranged on the inner side of the long transmission shaft 43, the inner shaft engaging wheel 39 can be engaged with the half-circle rack 40, a winding wheel 33 is fixedly arranged on the upper end of the winding wheel shaft 31, and twelve non-interfering pull ropes 32 are wound on the winding wheel 33.
As shown in fig. 4 and 5, a scale grinding wheel 25 is fixedly arranged at the upper end of a long transmission shaft 43, twelve spray nozzles 24 are annularly arranged on the scale grinding wheel 25, twelve pressure chambers 22 are annularly arranged on the scale grinding wheel 25, each pressure chamber 22 is correspondingly communicated with each spray nozzle 24, a piston 36 is slidably arranged in each pressure chamber 22, a piston connecting rod 37 is fixedly arranged on the piston 36, an inner fixing disc 35 is fixedly arranged on the scale grinding wheel 25 near the center side, twelve openings are annularly arranged on the inner fixing disc 35 in an array manner, each piston connecting rod 37 is slidably connected with corresponding openings on the inner fixing disc 35, each piston connecting rod 37 is connected with a connecting rod spring 34 on the side wall of each opening on the inner fixing disc 35, each piston connecting rod 37 is connected with a pull rope 32 at a corresponding position near the center end, and a chemical spraying device is arranged on the scale removing device and is used for spraying chemical scale remover to the filter membrane holes, so that the scale removing effect is improved.
As shown in fig. 4 and 5, the medicament spraying device comprises a liquid discharging cavity 23 fixed on the left side of each pressure cavity 22, a one-way valve pipe is connected between the left side wall of each liquid discharging cavity 23 and each pressure cavity 22 corresponding to the right side, a liquid storage cavity 38 is fixedly arranged on the front side wall of the scale grinding wheel 25, and a pump pipe is connected between the liquid storage cavity 38 and the liquid discharging cavity 23.
When the brackish water purifier is used for a period of time, chemical substances and precipitated impurities of brackish water are filtered through the coiled permeable membrane 12 along with the purification effect, purified water is obtained, along with the use of the coiled permeable membrane 12, the filtering holes on the coiled permeable membrane 12 are gradually blocked, normal purification efficiency and water purification effect are affected, the electromagnetic sliding block 17 is started to slide around the spiral electromagnetic groove 21 in the spiral electromagnetic groove 21, the scale grinding wheel 25 faces the rolling surface of the coiled permeable membrane 12, the rack meshing wheel 19 is meshed with the spiral rack 20, the rotating shaft 18 is enabled to rotate, the hollow rotating shaft 13 is driven to rotate, the lower telescopic shaft 44 is driven to rotate through a spline, the upper telescopic shaft 45 is driven to rotate, the long driving shaft 43 is driven to rotate, the scale grinding wheel 25 is driven to rotate in the long driving shaft 43 to rotate, the half-circle rack 40 is meshed with the inner meshing wheel 39, the winding wheel shaft 31 is driven to rotate, the pull rope 32 is loosened, each piston 37 moves in the corresponding pressure cavity 22 in the direction away from the center end under the action of the connecting rod spring 34, the piston 37 moves away from the spray end of the piston 36 to the spray end of the medicine through the spray end of the piston 12 to the spray end of the medicine in the direction of the pressure cavity 12. Compared with the traditional medicine feeding mode, the mode can jet the medicine to the filter holes and the coiled permeable membrane 12 more fully, so that the medicine use efficiency is higher, and meanwhile, the scale removal efficiency and effect are improved.
The long transmission shaft 43 continues to rotate, the half-circle rack 40 does not engage with the in-shaft engagement wheel 39 any more, so that the winding wheel shaft 31 is quickly rotated reversely under the action of the torsion spring 14, the winding wheel 33 is driven to rotate reversely, the stay rope 32 is tightened, each piston connecting rod 37 is driven to slide towards the circle center direction, negative pressure is generated in each pressure cavity 22, scaling on a filter hole is sucked down through the spraying port 24, meanwhile, negative pressure is generated in the pressure cavity 22, medicament in the liquid discharge cavity 23 is sucked into the pressure cavity 22 for storage, the liquid discharge cavity 23 sucks medicament from the liquid storage cavity 38 through a pump pipe, and simultaneously, the scale grinding wheel 25 rotates along with the rotation of the long transmission shaft 43 to rub the rolling surface of the coiled permeable membrane 12. The scale deposit that covers in the roll type osmotic membrane 12 is scraped when scraping the roll surface of roll type osmotic membrane 12, utilizes the negative pressure to adsorb down the scale deposit on the filter screen through the jet-propelled mouth 24 simultaneously, more to the filter screen of filter membrane, the scale deposit is cleared away deeply, simultaneously accompanies the removal of piston connecting rod 37, improves the vibration efficiency of mill scale wheel 25, strengthens under the strong scale deposit vibration shovel to adhesion on the filter membrane, improves the clearance efficiency to the scale deposit.
When the scale of the lowest coiled permeable membrane 12 is cleaned, the lower telescopic shaft 44 is started to slide upwards in the hollow rotating shaft 13 to lift the scale grinding wheel 25, the lower coiled permeable membrane 12 is cleaned, the electromagnetic slide block 17 moves to the centremost of the spiral electromagnetic groove 21, and then the sliding out is reversely started to reciprocate until the whole filter membrane is cleaned
Along with the rotation of the rotating plate 28, the gravity sliding block 30 is always positioned at the lowest end in the annular groove 26 along with gravity, so that the rotating connecting block 29 is positioned at the lowest end of the scale grinding wheel 25, the scale collection chamber 27 is always positioned at the lower end of the scale grinding wheel 25, and the cleaned scale is collected in the scale collection chamber 27. And the removed scale is collected, so that the scale is prevented from remaining in the purifying equipment body and the filter membrane is prevented from being worn.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.

Claims (1)

1. The utility model provides a bitter clarifier roll-type osmotic membrane scale removal system, includes casing (10), its characterized in that, two fixed plates (11) of upper and lower symmetry are fixed to be equipped with on casing (10) upper and lower lateral wall, be equipped with roll-type osmotic membrane (12) fixedly between upper and lower two fixed plates (11), fixed plate (16) that are equipped with on the upper lateral wall of fixed plate (11) of downside, fixed spiral electromagnetic groove (21) are equipped with on fixed plate (16) down, spiral electromagnetic groove (21) are the same with spiral degree of spiral of roll-type osmotic membrane (12), fixed spiral rack (20) are equipped with on spiral electromagnetic groove (21) lateral wall, the sliding of spiral electromagnetic groove (21) is equipped with electromagnetic slider (17), electromagnetic slider (17) upside rotates and is equipped with pivot (18), fixed on the lower lateral wall of pivot (18) is equipped with rack meshing wheel (19), be equipped with spiral rack (20) meshing, fixed the side of pivot (18) is equipped with hollow rack (13), be equipped with on the pivot (13) side of hollow;
the device is characterized in that a lower telescopic shaft (44) is connected to the upper spline of the hollow rotating shaft (13), an upper telescopic shaft (45) is connected to the upper spline of the lower telescopic shaft (44), a long transmission shaft (43) is fixedly arranged on the upper side of the upper telescopic shaft (45), a rotating plate (28) is fixedly arranged on the upper side of the long transmission shaft (43), a scale collection device is arranged on the rotating plate (28) and is used for collecting scales falling from a coiled permeable membrane, the long transmission shaft (43) penetrates through the rotating plate (28) upwards, a scale grinding wheel (25) is fixedly arranged at the upper end of the long transmission shaft (43), and a scale removal device is arranged on the scale grinding wheel (25) and is used for removing scales generated by purification on the coiled permeable membrane;
the scale formation collecting device comprises an annular groove (26) fixedly arranged on the upper side wall of the rotating plate (28), a gravity sliding block (30) is arranged on the annular groove (26) in a sliding mode, a rotating connecting block (29) is arranged on the front side of the gravity sliding block (30) in a rotating mode, and a scale formation collecting chamber (27) is fixedly arranged on the rotating connecting block (29);
the scale removing device comprises an in-shaft fixing plate (15) fixed on the inner side of a long transmission shaft (43), a winding wheel shaft (31) is rotatably arranged on the upper side of the in-shaft fixing plate (15), a torsion spring (14) is connected between the winding wheel shaft (31) and the side wall of the in-shaft fixing plate (15), an in-shaft meshing wheel (39) is fixedly arranged on the winding wheel shaft (31), a half-circle rack (40) is fixedly arranged on the inner side of the long transmission shaft (43), the in-shaft meshing wheel (39) can be meshed with the half-circle rack (40), a winding wheel (33) is fixedly arranged on the upper end of the winding wheel shaft (31), and twelve mutually non-interfering pull ropes (32) are wound on the winding wheel (33);
the scale grinding device is characterized in that a scale grinding wheel (25) is fixedly arranged at the upper end of the long transmission shaft (43), twelve spraying ports (24) are annularly arranged on the scale grinding wheel (25), twelve pressure cavities (22) are annularly arranged on the scale grinding wheel (25), each pressure cavity (22) is correspondingly communicated with each spraying port (24), a piston (36) is slidably arranged in each pressure cavity (22), a piston connecting rod (37) is fixedly arranged on each piston (36), an inner fixed disc (35) is fixedly arranged on the scale grinding wheel (25) close to the circle center side, twelve openings are annularly arranged on the inner fixed disc (35), each piston connecting rod (37) is slidably connected with corresponding openings on the inner fixed disc (35), each piston connecting rod (37) is connected with a connecting rod spring (34) on the side wall of each opening on the inner fixed disc (35), each piston connecting rod (37) is connected with a pull rope (32) at the corresponding position close to the circle center end, a spraying device is arranged on the cleaning device, and the spraying device is used for spraying a scale removing agent to improve the scale removing effect of a filter membrane;
the medicament spraying device comprises a liquid discharging cavity (23) fixed on the left side of each pressure cavity (22), a one-way valve tube is connected between each liquid discharging cavity (23) and the left side wall of each pressure cavity (22) corresponding to the right side, a liquid storage cavity (38) is fixedly arranged on the front side wall of the scale grinding wheel (25), and a pump tube is connected between the liquid storage cavity (38) and the liquid discharging cavity (23).
CN202110487452.7A 2021-05-06 2021-05-06 Coiled permeable membrane descaling system of brackish water purifier Active CN113069930B (en)

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