CN112588133A - Alkali-resistant ultrafiltration membrane and preparation method thereof - Google Patents
Alkali-resistant ultrafiltration membrane and preparation method thereof Download PDFInfo
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- CN112588133A CN112588133A CN202011315852.1A CN202011315852A CN112588133A CN 112588133 A CN112588133 A CN 112588133A CN 202011315852 A CN202011315852 A CN 202011315852A CN 112588133 A CN112588133 A CN 112588133A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0013—Casting processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
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Abstract
The invention discloses an alkali-resistant ultrafiltration membrane and a preparation method thereof, wherein the alkali-resistant ultrafiltration membrane comprises the following raw materials in parts by weight: 5-30 parts of polyvinyl chloride, 1-20 parts of polyvinylidene fluoride, 0-20 parts of additive, 30-95 parts of solvent, and the preparation method of the alkali-resistant ultrafiltration membrane comprises the following steps: pretreating a film-making raw material; mixing the prepared raw materials with an organic solvent to obtain a membrane casting solution; and (3) placing the membrane casting solution into a defoaming tank for defoaming, feeding the fully defoamed mixed solution into a spinning machine, extruding the mixed solution by using a spinning nozzle to form hollow fibrils, and soaking the hollow fibrils into a 2% glycerol solution coagulating bath for soaking and forming after partial solvent in the fibrils is evaporated. The alkali-resistant ultrafiltration membrane provided by the invention has excellent chemical stability, good strength and flexibility, and strong pollution resistance, is resistant to acid, alkali and electrolysis, has prolonged service life, and effectively prevents the alkali-resistant ultrafiltration membrane from drying and losing effect due to hydrophilic placement in the air.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to an alkali-resistant ultrafiltration membrane and a preparation method thereof.
Background
The ultrafiltration membrane is doubled and increased in the last two years or three years, the development key period is entered, the water pollution condition is increasingly serious along with the development of the industry, the requirement on water pretreatment is higher and higher, and more enterprises select to use the ultrafiltration membrane for pretreatment.
The existing preparation method of the alkali-resistant ultrafiltration membrane can not ensure that bacteria do not grow in a clean area, a large amount of bacteria can propagate once the bacteria are generated, the alkali-resistant ultrafiltration membrane has hydrophilicity and can be dried and lose effect when being placed in the air, and the existing preparation method of the alkali-resistant ultrafiltration membrane has no cleaning function when being used.
Therefore, it is necessary to provide an alkali-resistant ultrafiltration membrane and a preparation method thereof to solve the above technical problems.
Disclosure of Invention
The invention aims to provide an alkali-resistant ultrafiltration membrane and a preparation method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an alkali-resistant ultrafiltration membrane comprises the following raw materials in parts by weight:
polyvinyl chloride: 5-30 parts;
polyvinylidene fluoride: 1-20 parts;
additive: 0-20 parts of a solvent;
solvent: 30-95 parts.
Preferably, the composition comprises the following components in parts by weight:
polyvinyl chloride: 20 parts of (1);
polyvinylidene fluoride: 10 parts of (A);
additive: 5 parts of a mixture;
solvent: 70 parts of (A).
The preparation method of the alkali-resistant ultrafiltration membrane comprises the following steps:
step one, pretreating a film-making raw material;
mixing the prepared raw materials with an organic solvent to obtain a membrane casting solution;
s1, defoaming: placing the membrane casting solution into a defoaming tank, stirring for 1 hour at the temperature of 70 ℃, standing for 24 hours after uniformly mixing,
s2, preparing fibrils: feeding the mixed solution after sufficient deaeration into a spinning machine, extruding the mixed solution by a spinning nozzle to form hollow fibrils, and standing;
s3, after evaporating part of solvent in the fibril, immersing the fibril into a 2% glycerol solution coagulating bath, and coagulating the fibril into a solid hollow fiber with the inner diameter of 0.8mm and the outer diameter of 1.25 mm;
s4, soaking the prepared fibril in a soaking device to obtain an alkali-resistant ultrafiltration membrane;
thirdly, placing the obtained alkali-resistant ultrafiltration membrane in medical glycerin for storage;
the soaking device adopted in the above S4 has a structure that: comprises a base, a protection box is arranged at the top of the base, a motor is arranged in the protection box, a driving gear is fixedly connected with an output shaft of the motor, a threaded rod is rotatably connected with the top of the base and positioned at one side of the driving gear, a driven gear is fixedly connected with the surface of the threaded rod, a threaded sleeve is arranged on the surface of the threaded rod, a connecting rod is fixedly connected with one side of the threaded sleeve, a hydraulic rod is arranged at the bottom of the connecting rod, a support frame is fixedly connected with one side of the top of the base, a bearing plate is fixedly connected with one side of the support frame, an immersion box is arranged at the top of the bearing plate, a mounting plate is arranged in the immersion box, a top plate is fixedly connected with the top of the support frame, an electric telescopic rod is arranged at one, the top of the liquid adding box is penetrated with a lifting column, the bottom of the lifting column is fixedly connected with a lifting plate, two sides of the bottom of the inner wall of the liquid adding box are respectively provided with an inclined plate, two sides of the top of the liquid adding box are respectively provided with a chute, the bottom of the inner wall of the liquid adding box is provided with a fixed column, the surface of the fixed column is provided with a pressing block, the bottom of the liquid adding box is communicated with a funnel, two sides of the front surface of the lifting plate are respectively and fixedly connected with a fixed shaft, the surfaces of the two fixed shafts are respectively and rotatably connected with a clamping clamp, one opposite side of the two clamping clamps is respectively and fixedly connected with a pulling block, a spring is sleeved between the opposite sides of the two pulling blocks, a flushing box is arranged at the top of the base and positioned at one side of the threaded rod, a collecting box is arranged in the flushing box, a placing, the washing machine is characterized in that a vertical frame is fixedly connected to one side of the top of the base and located on one side of the washing tank, a transverse plate is arranged on the top of one side of the vertical frame, a support is fixedly connected to the bottom of the transverse plate, a washing pipe is communicated with the bottom of the transverse plate, a branch pipe is communicated with the bottom of the washing pipe, and a spray head is communicated with the bottom of the branch pipe.
Preferably, the membrane casting solution is a membrane casting solution containing polyvinylidene fluoride, polyether sulfone, polysulfone, polyvinyl chloride or polyacrylonitrile.
Preferably, the pore size specification of the alkali-resistant ultrafiltration membrane is consistent, and the rated pore size range is 0.001-0.02 micron.
Preferably, the driving gear is meshed with the driven gear, the inclined groove is matched with the clamping clamp, the hydraulic rod is fixedly connected with the top of the mounting plate, and the mounting plate is in contact with two sides of the inner wall of the soaking box.
Preferably, the pressing block is provided with a groove matched with the fixing column, a handle is arranged on the front face of the cleaning box, and the number of the branch pipes and the number of the spray heads are three.
Preferably, the top of the placing plate is provided with a leakage opening, the bottom of the electric telescopic rod is fixedly connected with the top of the lifting column, and one end of the flushing pipe sequentially penetrates through the support and the vertical frame and extends to one side of the vertical frame.
Compared with the prior art, the invention has the beneficial effects that:
(1) in the invention, the polyvinyl chloride in the raw material components has excellent chemical stability, acid and alkali resistance, electrolysis resistance, good strength and flexibility and strong pollution resistance.
(2) In the invention, the polyvinylidene fluoride in the raw material components has the capability of resisting ultraviolet rays, has good pollution resistance and chemical erosion resistance, can resist the temperature of 140 ℃, and can be sterilized and disinfected by adopting steam and ethylene oxide with ultrahigh temperature.
(3) In the invention, the polyvinylidene fluoride in the raw material components can be used in the pH range of (1-13), and can be used under the conditions of strong acid, strong base and various organic solvents.
(4) The soaking device provided by the invention drives the lifting plate to lift through the electric telescopic rod, then the lifting plate drives the clamping clamp to lift, when the clamping clamp falls and touches the pressing block, the pressing block can be tightly clamped, then the pressing block is driven to rise, at the moment, the protective solution in the liquid adding box falls into the soaking box through the funnel, when the clamping clamp rises to the chute at the top of the liquid adding box, the top of the clamping clamp can be clamped into the chute so as to rotate on the surface of the fixed shaft to loosen the pressing block, the pressing block can fall into the bottom of the liquid adding box along the fixed column, and at the moment, the protective liquid is blocked, make the device accomplish the operation that the ration added the protection liquid, guaranteed that the device can add the protection liquid at any time, prevent that alkali-resisting filtration membrane from can the mummification losing effect because hydrophilicity is placed in the air, guaranteed alkali-resisting filtration membrane's life, effectively prevented growing bacterium phenomenon, improved alkali-resisting filtration membrane's production quality.
(5) The invention provides a soaking device, a mounting plate is driven to ascend to a separation protection box by starting a hydraulic rod, a motor is started by an external power supply, then an output shaft of the motor drives a driving gear to rotate, then the driving gear drives a driven gear to rotate, then the driven gear drives a threaded rod to rotate, then the threaded rod drives a threaded sleeve to rotate, then the threaded sleeve drives a connecting plate to rotate, then the connecting plate drives the hydraulic rod to rotate, so as to drive the mounting plate to rotate, then when the mounting plate rotates to the front side of a baffle plate, the threaded sleeve descends to drive the mounting plate to descend until the mounting plate reaches the top of a placing plate, then a flushing pipe can be connected with an external water source to flush an alkali-resistant filtering membrane, then flushing water flows into a collecting box through a leakage opening, and after the device is used, the collecting box can be, the device has the function of cleaning the alkali-resistant filtering membrane, so that the functionality of the device is enhanced, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic structural view of a soaking device according to an embodiment;
FIG. 2 is an enlarged view of the structure shown at A in FIG. 1;
fig. 3 is a schematic front view of the structure of the washing tank shown in fig. 1.
In the figure: 1. a base; 2. a protection box; 3. a motor; 4. a drive gear; 5. a threaded rod; 6. a driven gear; 7. a threaded sleeve; 8. a connecting rod; 9. a hydraulic lever; 10. a support frame; 11. a bearing plate; 12. a soaking box; 13. mounting a plate; 14. a top plate; 15. an electric telescopic rod; 16. a liquid adding tank; 17. a lifting column; 18. a lifting plate; 19. a chute; 20. a sloping plate; 21. fixing a column; 22. a funnel; 23. briquetting; 24. a fixed shaft; 25. a clamping clip; 26. pulling the block; 27. a spring; 28. a flushing tank; 29. a collection box; 30. placing the plate; 31. a leak port; 32. a baffle plate; 33. erecting; 34. a transverse plate; 35. a flush tube; 36. a support; 37. a branch pipe; 38. and (4) a spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
An alkali-resistant ultrafiltration membrane comprises the following raw materials in parts by weight:
polyvinyl chloride: 20 parts of (1);
polyvinylidene fluoride: 10 parts of (A);
additive: 5 parts of a mixture;
solvent: 70 parts of (A).
The alkali-resistant ultrafiltration membrane and the preparation method thereof comprise the following steps:
step one, pretreating a film-making raw material;
mixing the prepared raw materials with an organic solvent to obtain a membrane casting solution;
s1, defoaming: placing the membrane casting solution into a defoaming tank, stirring for 1 hour at the temperature of 70 ℃, standing for 24 hours after uniformly mixing,
s2, preparing fibrils: feeding the mixed solution after sufficient deaeration into a spinning machine, extruding the mixed solution by a spinning nozzle to form hollow fibrils, and standing;
s3, after evaporating part of solvent in the fibril, immersing the fibril into a 2% glycerol solution coagulating bath, and coagulating the fibril into a solid hollow fiber with the inner diameter of 0.8mm and the outer diameter of 1.25 mm;
s4, soaking the prepared fibril in a soaking device to obtain an alkali-resistant ultrafiltration membrane;
thirdly, placing the obtained alkali-resistant ultrafiltration membrane in medical glycerin for storage;
the soaking device adopted in the above S4 has a structure that: the device comprises a base 1, wherein a protection box 2 is arranged at the top of the base 1, a motor 3 is arranged inside the protection box 2, a driving gear 4 is fixedly connected to an output shaft of the motor 3, a threaded rod 5 is rotatably connected to one side of the driving gear 4 at the top of the base 1, a driven gear 6 is fixedly connected to the surface of the threaded rod 5, a threaded sleeve 7 is arranged on the surface of the threaded rod 5, a connecting rod 8 is fixedly connected to one side of the threaded sleeve 7, a hydraulic rod 9 is arranged at the bottom of the connecting rod 8, a support frame 10 is fixedly connected to one side of the top of the base 1, a bearing plate 11 is fixedly connected to one side of the support frame 10, an immersion box 12 is arranged at the top of the bearing plate 11, a mounting plate 13 is arranged inside the immersion box 12, a top plate 14 is fixedly connected to the top of the support frame 10, a liquid feeding box 16 is fixedly connected to one side of the support frame 10, a lifting column 17 penetrates through the top of the liquid feeding box 16, a lifting plate 18 is fixedly connected to the bottom of the lifting column 17, inclined plates 20 are arranged on two sides of the bottom of the inner wall of the liquid feeding box 16, inclined grooves 19 are formed in two sides of the top of the liquid feeding box 16, a fixing column 21 is arranged at the bottom of the inner wall of the liquid feeding box 16, a pressing block 23 is arranged on the surface of the fixing column 21, a funnel 22 is communicated with the bottom of the liquid feeding box 16, fixing shafts 24 are fixedly connected to two sides of the front surface of the lifting plate 18, clamping clamps 25 are rotatably connected to the surfaces of the two fixing shafts 24, pull blocks 26 are fixedly connected to opposite sides of the two clamping clamps 25, a spring 27 is sleeved between the opposite sides of the two pull blocks 26, a flushing box 28 is arranged on the top of the base 1 and on one, the inside of flushing box 28 is provided with collecting box 29, fixedly connected with between the both sides of flushing box 28 inner wall places board 30, the top fixedly connected with baffle 32 of flushing box 28, one side at base 1 top just is located one side fixedly connected with vertical frame 33 of flushing box 28, the top of vertical frame 33 one side is provided with horizontal board 34, the bottom fixedly connected with support 36 of horizontal board 34, the bottom of horizontal board 34 is communicated with flushing pipe 35, the bottom of flushing pipe 35 is communicated with branch pipe 37, the bottom of branch pipe 37 is communicated with shower nozzle 38.
The membrane casting solution is a membrane preparation solution containing polyvinylidene fluoride, polyether sulfone, polysulfone, polyvinyl chloride or polyacrylonitrile.
The aperture specification of the alkali-resistant ultrafiltration membrane is consistent, and the rated aperture range is 0.001-0.02 micron.
The driving gear 4 is meshed with the driven gear 6, the inclined groove 19 is matched with the clamping clamp 25, the hydraulic rod 9 is fixedly connected with the top of the mounting plate 13, and the mounting plate 13 is in contact with two sides of the inner wall of the soaking box 12.
The pressing block 23 is provided with a groove matched with the fixing column 21, the front surface of the collecting box 29 is provided with a handle, and the number of the branch pipes 37 and the number of the spray heads 38 are three.
The top of the placing plate 30 is provided with a leakage opening 31, the bottom of the electric telescopic rod 15 is fixedly connected with the top of the lifting column 17, and one end of the flushing pipe 35 sequentially penetrates through the support 36 and the vertical frame 33 and extends to one side of the vertical frame 33.
The use principle of the soaking device adopted in the step S4 is as follows: when the device is used, an alkali-resistant filtering membrane is placed in the mounting plate 13, the mounting plate 13 is placed in the soaking box 12, glycerol solution is placed in the soaking box 12, the electric telescopic rod 15 is started to drive the lifting column 17 to lift, then the lifting column 17 drives the lifting plate 18 to lift, then the lifting plate 18 drives the clamping clamp 25 to lift, when the clamping clamp 25 falls and contacts with the pressing block 23, the pressing block 23 is clamped tightly, then the pressing block 23 is driven to lift, at the moment, the protective solution in the liquid adding box 16 falls into the soaking box 12 through the funnel 22, when the clamping clamp 25 rises until the chute 19 at the top of the liquid adding box 16, the top of the clamping clamp 25 is clamped into the chute 19, so that the chute rotates on the surface of the fixing shaft 24 to loosen the pressing block 23, the pressing block 23 falls into the bottom of the liquid adding box 16 along the fixing column 21, at the moment, the protective solution is blocked, the device finishes the operation of quantitatively adding, the mounting plate 13 is driven to rise to the separation protective box 12 by starting the hydraulic rod 9, the motor 3 is started by an external power supply, then the output shaft of the motor 3 drives the driving gear 4 to rotate, so that the driving gear 4 drives the driven gear 6 to rotate, then the driven gear 6 drives the threaded rod 5 to rotate, then the threaded rod 5 drives the threaded sleeve 7 to rotate, then the threaded sleeve 7 drives the connecting plate 8 to rotate, then the connecting plate 8 drives the hydraulic rod 9 to rotate, then the mounting plate 13 is driven to rotate, then, when the mounting plate 13 is rotated to the front of the baffle 32, the threaded sleeve 7 is lowered, thereby driving the mounting plate 13 to descend until reaching the top of the placing plate 30, then, at this moment, the washing pipe 35 can be connected with an external water source to wash the alkali-resistant filtering membrane, then the washed water flow can flow into the collecting box 29 through the leakage opening 31, and after the device is used, the collecting box 29 can be pulled out by a handle to be cleaned.
In this embodiment, the casting solution after being sufficiently dissolved needs to be degassed at 40 to 100 ℃ for 4 to 8 hours.
In this example, the speed of coating the casting solution on the nonwoven fabric was between 1 and 8 m/s.
In this example, polyvinyl chloride and polyvinylidene fluoride were mixed according to the formula, the additive was added, and the mixture was heated to 60 ℃ to dissolve until the casting solution was uniform and transparent.
In the embodiment, the surface of the mounting plate 13 is uniformly provided with leak holes, the hydraulic rod 9 is connected with an external power supply, and a switch for controlling the power supply is arranged.
In this embodiment, the motor 3 is connected to an external power supply and is provided with a switch for controlling the power supply, the model of the motor 3 is a three-phase asynchronous motor, and the tops of the soaking tank 12 and the cleaning tank 28 are both in a non-closed state.
In this embodiment, the electric telescopic rod 15 is connected to an external power supply and is provided with a switch for controlling the power supply, the number of the clamping clips 25 is two, and the shape of the clamping clips 25 is a special shape.
Example two
The second embodiment is different from the first embodiment in that:
an alkali-resistant ultrafiltration membrane comprises the following components in parts by weight:
polyvinyl chloride: 25 parts of (1);
polyvinylidene fluoride: 15 parts of (1);
additive: 10 parts of (A);
solvent: 80 parts of the raw materials.
In this embodiment, the casting solution after being sufficiently dissolved needs to be degassed at 50 to 100 ℃ for 5 to 9 hours.
In this example, the speed of coating the casting solution on the nonwoven fabric was between 1 and 8 m/s
In this example, polyvinyl chloride and polyvinylidene fluoride were mixed according to the formula, the additive was added, and the mixture was heated to 70 ℃ to dissolve until the casting solution was uniform and transparent.
The rest is the same as the first embodiment.
EXAMPLE III
The third embodiment is different from the first embodiment in that:
an alkali-resistant ultrafiltration membrane comprises the following components in parts by weight:
polyvinyl chloride: 15 parts of (1);
polyvinylidene fluoride: 5 parts of a mixture;
additive: 5 parts of a mixture;
solvent: 60 parts.
In this embodiment, the casting solution after being sufficiently dissolved needs to be degassed at 40 to 100 ℃ for 5 to 8 hours.
In this example, the speed of coating the casting solution on the nonwoven fabric was between 1 and 8 m/s
In this example, polyvinyl chloride and polyvinylidene fluoride were mixed according to the formula, the additive was added, and the mixture was heated to 50 ℃ to dissolve until the casting solution was uniform and transparent.
The rest is the same as the first embodiment.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. An alkali-resistant ultrafiltration membrane, characterized in that: comprises the following raw materials in parts by weight:
polyvinyl chloride: 5-30 parts;
polyvinylidene fluoride: 1-20 parts;
additive: 0-20 parts of a solvent;
solvent: 30-95 parts.
2. The alkali-resistant ultrafiltration membrane of claim 1, wherein: the composition comprises the following components in parts by weight:
polyvinyl chloride: 20 parts of (1);
polyvinylidene fluoride: 10 parts of (A);
additive: 5 parts of a mixture;
solvent: 70 parts of (A).
3. The method for preparing an alkali-resistant ultrafiltration membrane of claim 1, wherein: the method comprises the following steps:
step one, pretreating a film-making raw material;
mixing the prepared raw materials with an organic solvent to obtain a membrane casting solution;
s1, defoaming: placing the membrane casting solution into a defoaming tank, stirring for 1 hour at the temperature of 70 ℃, standing for 24 hours after uniformly mixing,
s2, preparing fibrils: feeding the mixed solution after sufficient deaeration into a spinning machine, extruding the mixed solution by a spinning nozzle to form hollow fibrils, and standing;
s3, after evaporating part of solvent in the fibril, immersing the fibril into a 2% glycerol solution coagulating bath, and coagulating the fibril into a solid hollow fiber with the inner diameter of 0.8mm and the outer diameter of 1.25 mm;
s4, soaking the prepared fibril in a soaking device to obtain an alkali-resistant ultrafiltration membrane;
thirdly, placing the obtained alkali-resistant ultrafiltration membrane in medical glycerin for storage;
the soaking device adopted in the above S4 has a structure that: comprises a base (1), the top of the base (1) is provided with a protection box (2), the inside of the protection box (2) is provided with a motor (3), the output shaft of the motor (3) is fixedly connected with a driving gear (4), the top of the base (1) is positioned at one side of the driving gear (4) and is rotatably connected with a threaded rod (5), the surface of the threaded rod (5) is fixedly connected with a driven gear (6), the surface of the threaded rod (5) is provided with a threaded sleeve (7), one side of the threaded sleeve (7) is fixedly connected with a connecting rod (8), the bottom of the connecting rod (8) is provided with a hydraulic rod (9), one side of the top of the base (1) is fixedly connected with a support frame (10), one side of the support frame (10) is fixedly connected with a bearing plate (11), the top of the bearing plate (11) is, the immersion tank is characterized in that a mounting plate (13) is arranged inside the immersion tank (12), the top of the support frame (10) is fixedly connected with a top plate (14), one side of the bottom of the top plate (14) is provided with an electric telescopic rod (15), one side of the support frame (10) is fixedly connected with a liquid adding tank (16), the top of the liquid adding tank (16) penetrates through a lifting column (17), the bottom of the lifting column (17) is fixedly connected with a lifting plate (18), two sides of the bottom of the inner wall of the liquid adding tank (16) are respectively provided with an inclined plate (20), two sides of the top of the liquid adding tank (16) are respectively provided with a chute (19), the bottom of the inner wall of the liquid adding tank (16) is provided with a fixed column (21), the surface of the fixed column (21) is provided with a pressing block (23), the bottom of the liquid adding tank (16) is communicated with a funnel (22), two sides of the, the surface of each of the two fixing shafts (24) is rotatably connected with a clamping clamp (25), one opposite side of each of the two clamping clamps (25) is fixedly connected with a pulling block (26), a spring (27) is sleeved between the two opposite sides of each pulling block (26), a flushing box (28) is arranged at the top of the base (1) and on one side of the threaded rod (5), a collecting box (29) is arranged inside the flushing box (28), a placing plate (30) is fixedly connected between the two sides of the inner wall of the flushing box (28), a baffle plate (32) is fixedly connected with the top of the flushing box (28), a vertical frame (33) is fixedly connected with one side of the top of the base (1) and on one side of the flushing box (28), a transverse plate (34) is arranged at the top of one side of the vertical frame (33), and a support (36) is fixedly connected with the bottom of the transverse, the bottom of the transverse plate (34) is communicated with a flushing pipe (35), the bottom of the flushing pipe (35) is communicated with a branch pipe (37), and the bottom of the branch pipe (37) is communicated with a spray head (38).
4. The method for preparing an alkali-resistant ultrafiltration membrane according to claim 3, wherein: the membrane casting solution is a membrane preparation solution containing polyvinylidene fluoride, polyether sulfone, polysulfone, polyvinyl chloride or polyacrylonitrile.
5. The method for preparing an alkali-resistant ultrafiltration membrane according to claim 3, wherein: the aperture specification of the alkali-resistant ultrafiltration membrane is consistent, and the rated aperture range is 0.001-0.02 micron.
6. The method for preparing an alkali-resistant ultrafiltration membrane according to claim 3, wherein: drive gear (4) and driven gear (6) mesh mutually, chute (19) press from both sides (25) phase-match with the centre gripping, hydraulic stem (9) with the top fixed connection of mounting panel (13), mounting panel (13) with the both sides of steeping box (12) inner wall contact.
7. The method for preparing an alkali-resistant ultrafiltration membrane according to claim 3, wherein: the pressing block (23) is provided with a groove matched with the fixing column (21), the front face of the collecting box (29) is provided with a handle, and the number of the branch pipes (37) and the number of the spray heads (38) are three.
8. The method for preparing an alkali-resistant ultrafiltration membrane according to claim 3, wherein: the top of the placing plate (30) is provided with a leakage opening (31), the bottom of the electric telescopic rod (15) is fixedly connected with the top of the lifting column (17), and one end of the flushing pipe (35) sequentially penetrates through the support (36) and the vertical frame (33) and extends to one side of the vertical frame (33).
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| CN114042381A (en) * | 2022-01-12 | 2022-02-15 | 波塞冬(江苏)新材料科技有限公司 | Intelligent conveying system for ultra-nanofiltration membrane and application method of intelligent conveying system |
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| CN105195028A (en) * | 2015-07-03 | 2015-12-30 | 东华大学 | Preparation method of composite nanofiber ultra-filtration membrane |
| WO2016037559A1 (en) * | 2014-09-10 | 2016-03-17 | 山东鲁能智能技术有限公司 | Charged water-flushing robot system and method for substation |
| CN109433566A (en) * | 2018-11-02 | 2019-03-08 | 昆明理工大学 | A kind of preparation method of porous aluminum coating polytetrafluoroethylene film |
| CN208843704U (en) * | 2018-09-13 | 2019-05-10 | 深圳市真味生物科技有限公司 | A kind of plants essential oil atomization liquid production calibrated shot mechanism |
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| WO2016037559A1 (en) * | 2014-09-10 | 2016-03-17 | 山东鲁能智能技术有限公司 | Charged water-flushing robot system and method for substation |
| CN105195028A (en) * | 2015-07-03 | 2015-12-30 | 东华大学 | Preparation method of composite nanofiber ultra-filtration membrane |
| CN208843704U (en) * | 2018-09-13 | 2019-05-10 | 深圳市真味生物科技有限公司 | A kind of plants essential oil atomization liquid production calibrated shot mechanism |
| CN109433566A (en) * | 2018-11-02 | 2019-03-08 | 昆明理工大学 | A kind of preparation method of porous aluminum coating polytetrafluoroethylene film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114042381A (en) * | 2022-01-12 | 2022-02-15 | 波塞冬(江苏)新材料科技有限公司 | Intelligent conveying system for ultra-nanofiltration membrane and application method of intelligent conveying system |
| CN114042381B (en) * | 2022-01-12 | 2022-05-17 | 波塞冬(江苏)新材料科技有限公司 | MBR (Membrane bioreactor) membrane intelligent conveying system and using method thereof |
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Address after: 251600 Liyuan street, Shanghe Economic Development Zone, Jinan City, Shandong Province Applicant after: Shandong shuifayou Membrane Technology Co.,Ltd. Address before: 251600 Liyuan street, Shanghe Economic Development Zone, Jinan City, Shandong Province Applicant before: Shandong you Film Technology Co.,Ltd. |
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Application publication date: 20210402 |