Preparation method and application of antibacterial reverse osmosis membraneTechnical Field
The invention relates to the related field of reverse osmosis membrane manufacturing, in particular to a preparation method and application of a bacteriostatic reverse osmosis membrane.
Background
The reverse osmosis membrane is an artificial semipermeable membrane with certain characteristics and prepared by simulating a biological semipermeable membrane, and is a core component of a reverse osmosis technology, the principle of the reverse osmosis technology is that under the action of osmotic pressure higher than that of a solution, substances and water can be separated from each other according to the fact that other substances cannot permeate the semipermeable membrane, the membrane aperture of the reverse osmosis membrane is very small, so dissolved salts, colloids, microorganisms, organic matters and the like in the water can be effectively removed, the system has the advantages of good water quality, low energy consumption, no pollution, simple process, simplicity and convenience in operation and the like, the reverse osmosis membrane also comprises the reverse osmosis membrane with a bacteriostatic effect, and special bacteriostatic reverse osmosis membrane preparation equipment is required for manufacturing.
In the actual production process of the antibacterial reverse osmosis membrane preparation equipment, the aromatic polyamide of the reverse osmosis membrane substrate is arranged in the water phase container, the substrate is loose due to the fact that any device capable of stretching the aromatic polyamide is arranged at the lower end of the container, the adsorption reaction time is long, the solution liquid level in the middle of the organic phase container is improperly controlled, the film substrate cannot be contacted with the organic phase solution easily, in the air drying process, the heating position is single, the film surface is damaged easily, and the yield is reduced.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a preparation method and application of a bacteriostatic reverse osmosis membrane.
The invention is realized in such a way, a preparation method and application of an antibacterial reverse osmosis membrane are constructed, the device comprises a support, a membrane rolling cylinder is arranged in the middle of the top end of the support, a water phase container is arranged on the right side of the membrane rolling cylinder, first top guide rollers are fixed at the left and right ends of the top of the water phase container, a first metering pump is arranged at the left end close to the middle part of the top of the water phase container, first bottom guide rollers are arranged at the left and right ends of the bottom in the water phase container, a drying box support is arranged at the right side of the water phase container, a drying box is fixed at the top of the drying box support, an electric cabinet is placed at the lower end in the drying box support, an organic phase container is arranged at the right side of the drying box support, second top guide rollers are fixed at the left and right ends of the top of the organic phase container, a second, the front end and the rear end of the middle part in the organic phase container are provided with a left sliding groove and a right sliding groove, the right side of the organic phase container is provided with an air drying box, the top of the air drying box is fixed with a fan through bolts, five groups of transmission rollers are arranged at the upper right end in the air drying box, the lower right end of the air drying box is provided with a wind-up roller, the front end of a shaft lever at the middle part in the wind-up roller is tightly inserted into the middle part in a driven belt pulley, the outer diameter surface of the driven belt pulley is synchronously rotated with the driving belt pulley through a synchronous belt, the middle part in the driving belt pulley is tightly inserted by an output shaft at the front end surface of a stepping motor, the first metering pump, the drying box, the second metering pump, the fan and the stepping motor are all electrically connected with an electric cabinet, the tensioning mechanism comprises a box body, a driving motor, a first supporting rod, a, the left end of the bottom of the box body is provided with a first supporting rod, the right side of the first supporting rod is provided with a second supporting rod, the bottoms of the first supporting rod and the second supporting rod are respectively fixed with a pressing roller, the middle part in the box body is provided with a transmission mechanism, and the driving motor is electrically connected with the electric cabinet.
Preferably, the adjusting mechanism comprises a base, a fixed seat, a movable roller, a movable block, a connecting band, a hand wheel, a main shaft, a locking device and a roller, the top of the base is welded and fixed with the fixed seat, the middle of the inside of the fixed seat is rotatably connected with the movable roller, the movable block is welded at the front end and the rear end of the base, the front end and the rear end of the movable block are slidably connected with a sliding groove, the connecting band is embedded in the top of the movable block, the top of the movable block is fixed with the outer diameter surface of the roller, the middle of the inside of the roller is penetrated through by the main shaft, the front end of the outer diameter surface of the main shaft penetrates through.
Preferably, adjust heating mechanism and include cylinder, support, loading board, slider, bar groove, connecting rod, infrared electrothermal tube and pivot, the cylinder right side is fixed on the support to the support is run through by cylinder right side push rod, the support back is fixed mutually with the loading board, and the welding of loading board left side is at air-dry case left side lower extreme, the bar groove has been seted up at the middle part in the loading board to the bar inslot embedding has the slider, the slider left side meets with cylinder right side push rod to the slider right side is connected with infrared electrothermal tube back lower extreme through the connecting rod, infrared heating pipe back middle part is rotated with the air-dry case through the pivot and is connected, infrared heating pipe top is connected with the electric cabinet electricity through external cable.
Preferably, the transmission mechanism comprises a base plate, a shaft seat, a first guide rod, a second guide rod, a poking rod, a linkage rod and a hinge seat, the left end and the right end of the back face of the base plate are fixed with the box body through bolts, the shaft seats are fixed at the four ends of the front end face of the base plate, the left end of each shaft seat is penetrated through by the first guide rod, the shaft seats at the right end of the shaft seats are penetrated through by the second guide rod, the bottoms of the first guide rod and the second guide rod are respectively fixed with a first supporting rod and a second supporting rod, the poking rods are vertically fixed at the middle parts of the front end faces of the first guide rod and the second guide rod, the outer diameter surfaces of the poking rods are embedded into the left end and the right end of the linkage rod, the middle part.
Preferably, the bottom of the compression roller is semicircular, and the bottom of the compression roller is smooth.
Preferably, the moving block is I-shaped, and a silica gel layer is bonded at the contact position of the moving block and the sliding groove.
Preferably, the width of the connecting strip is 3.5cm, and the thickness of the connecting strip is 1.2 cm.
Preferably, the connecting rod tail end is fixed with the connecting piece to the connecting piece right-hand member is semicircle concave shape.
Preferably, the method comprises the following steps:
s1, firstly, selecting aromatic polyamide as a film substrate, and then loading the substrate into a film winding cylinder;
s2, then passing the membrane substrate through a water phase container dissolved with ammonium persulfate, wherein the mass concentration of the ammonium sulfate is 3.5 percent of that of the organic phase, and the speed of passing through the water phase is 0.1 m/min;
s3, drying the water phase in a drying oven;
s4, drying, and then feeding the mixture into an organic phase container at a speed of 0.1m/min, wherein a bacteriostatic additive is dissolved in the organic phase container, and is triclosan;
s5, after interface polymerization, air drying through an air drying box;
and S6, finishing the processing and winding by a winding roller.
Preferably, the compression roller is made of stainless steel.
Preferably, the connecting belt is made of corrosion-resistant rubber.
Preferably, the connecting rod is made of alloy steel.
The invention has the following advantages: the invention provides a preparation method and application of a bacteriostatic reverse osmosis membrane through improvement, compared with the same type of equipment, the preparation method has the following improvements:
the method has the advantages that: according to the preparation method and the application of the antibacterial reverse osmosis membrane, the tensioning mechanism is arranged in the water phase container, when the membrane substrate passes through the lower end of the water phase, the transmission mechanism is controlled by the independent motor in the mechanism, so that the bottom support rod enables the compression roller to press the loose membrane substrate, the membrane obtains pressure when passing through, and the two groups of support rods can press downwards, so that the pressing at different positions is achieved, the stretching effect is good, and the capacity of adsorbing water phase solution is effectively improved.
The method has the advantages that: according to the preparation method and the application of the antibacterial reverse osmosis membrane, the adjusting mechanism is arranged in the organic phase container, when a movable roller film on the adjusting mechanism passes through, if the liquid level in the organic phase is low, a user controls the hand wheel to pass through the roller for movement, and then the bottom movable roller can be put down, so that the height position of the bottom movable roller can be adjusted, and the preparation method and the application are convenient and rapid, and the processing effect is good.
The method has the advantages that: according to the preparation method and the application of the antibacterial reverse osmosis membrane, the adjusting heating mechanism is arranged at the lower left end in the air drying box, the interior of the adjusting heating mechanism is controlled by the air cylinder and can drive the sliding block to adjust the heating angle of the infrared electric heating tube, and when the push rod is controlled by the air cylinder to continuously retract and extend, the infrared electric heating tube can be heated in a reciprocating multi-angle mode.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the tensioning mechanism of the present invention;
FIG. 3 is a schematic view of the drive mechanism of the present invention;
FIG. 4 is a schematic view of the adjustment mechanism of the present invention;
FIG. 5 is a schematic view of the roller structure of the present invention;
FIG. 6 is a schematic view of the regulating heating mechanism of the present invention;
FIG. 7 is a schematic view of the structure of the carrier plate of the present invention.
Wherein: a support-1, a film rolling cylinder-2, a water phase container-3, a first top guide roller-4, a first metering pump-5, a first bottom guide roller-6, a tensioning mechanism-7, a drying box support-8, a drying box-9, an electric control box-10, an organic phase container-11, a second top guide roller-12, a second metering pump-13, a second bottom guide roller-14, a chute-15, an adjusting mechanism-16, an air drying box-17, a fan-18, a driving roller-19, an adjusting and heating mechanism-20, a winding roller-21, a driven pulley-22, a synchronous belt-23, a driving pulley-24, a stepping motor-25, a box-71, a driving motor-72, a first support rod-73, a second support rod-74, a winding roller-21, a driven pulley-22, a synchronous belt-23, a driving, The device comprises a press roller-75, a transmission mechanism-76, a substrate-761, a shaft seat-762, a first guide rod-763, a second guide rod-764, a poke rod-765, a linkage rod-766, a hinge seat-767, a base-161, a fixed seat-162, a movable roller-163, a movable block-164, a connecting belt-165, a hand wheel-166, a main shaft-167, a locker-168, a roller-169, a cylinder-201, a support-202, a bearing plate-203, a slider-204, a strip-shaped groove-205, a connecting rod-206, an infrared electric heating tube-207 and a rotating shaft-208.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The invention provides a preparation method and application of an antibacterial reverse osmosis membrane through improvement, which comprises a bracket 1, wherein a film rolling barrel 2 is arranged in the middle of the top end of the bracket 1, a water phase container 3 is arranged on the right side of the film rolling barrel 2, first top guide rollers 4 are fixed at the left and right ends of the top of the water phase container 3, afirst metering pump 5 is arranged at the left end, close to the middle, of the top of the water phase container 3, firstbottom guide rollers 6 are arranged at the left and right ends of the bottom in the water phase container 3, adrying box bracket 8 is arranged at the right side of the water phase container 3, adrying box 9 is fixed at the top of thedrying box bracket 8, anelectric cabinet 10 is arranged at the lower end in thedrying box bracket 8, anorganic phase container 11 is arranged on the right side of thedrying box bracket 8, secondtop guide rollers 12 are fixed at the left and right ends of the top of the organic, the front end and the rear end of the middle part in theorganic phase container 11 are provided with a left slidingchute 15 and a right slidingchute 15, the right side of theorganic phase container 11 is provided with anair drying box 17, the top of theair drying box 17 is fixed with afan 18 through bolts, five groups oftransmission rollers 19 are arranged at the upper right end in theair drying box 17, the lower right end of theair drying box 17 is provided with a wind-uproller 21, the front end of a shaft lever at the middle part in the wind-uproller 21 is tightly inserted into the middle part in a drivenpulley 22, the outer diameter surface of the drivenpulley 22 is synchronously rotated with adriving pulley 24 through asynchronous belt 23, the middle part in thedriving pulley 24 is tightly inserted by an output shaft at the front end surface of astepping motor 25, afirst metering pump 5, adrying box 9, asecond metering pump 13, thefan 18 and thestepping motor 25 are electrically connected with anelectric control box 10, atensioning mechanism 7 comprises abox body 71, adriving motor 72, a first supporting, a first supportingrod 73 is arranged at the left end of the bottom of thebox body 71, a second supportingrod 74 is arranged on the right side of the first supportingrod 73, pressingrollers 75 are fixed at the bottoms of the first supportingrod 73 and the second supportingrod 74, atransmission mechanism 76 is arranged in the middle of the interior of thebox body 71, and a drivingmotor 72 is electrically connected with theelectric cabinet 10.
Further, theadjusting mechanism 16 includes abase 161, a fixedseat 162, amovable roller 163, amovable block 164, aconnecting belt 165, ahand wheel 166, amain shaft 167, alocking device 168 and a roller 169, the top of thebase 161 is welded to the fixedseat 162, the middle portion of the inside of the fixedseat 162 is rotatably connected to themovable roller 163, the front end and the rear end of thebase 161 are welded with themovable block 164, the front end and the rear end of themovable block 164 are slidably connected to thesliding groove 15, theconnecting belt 165 is embedded into the top of themovable block 164, the top of the movable block is fixed to the outer diameter surface of the roller 169, the middle portion of the inside of the roller 169 is penetrated by themain shaft 167, the front end of the outer diameter surface of themain shaft 167 is respectively penetrated through the middle.
Further, the adjusting andheating mechanism 20 includes anair cylinder 201, asupport 202, abearing plate 203, aslider 204, a strip-shaped groove 205, aconnecting rod 206, an infraredelectric heating tube 207 and a rotatingshaft 208, the right side of theair cylinder 201 is fixed on thesupport 202, thesupport 202 is penetrated by a push rod on the right side of theair cylinder 201, the back side of thesupport 202 is fixed with thebearing plate 203, the left side of thebearing plate 203 is welded at the lower end of the left side of theair drying box 17, the strip-shaped groove 205 is formed in the middle of the inside of thebearing plate 203, theslider 204 is embedded into the strip-shaped groove 205, the left side of theslider 204 is connected with the push rod on the right side of theair cylinder 201, the right side of theslider 204 is connected with the lower end of the back side of the infrared electric heating tube.
Further, thetransmission mechanism 76 includes asubstrate 761, ashaft seat 762, afirst guide rod 763, asecond guide rod 764, apoking rod 765, alinkage rod 766 and ahinge seat 767, the left and right ends of the back surface of thesubstrate 761 are fixed to thebox 71 through bolts, theshaft seat 762 is fixed to the front end surface of thesubstrate 761, the left end of theshaft seat 762 is penetrated through by thefirst guide rod 763, theshaft seat 762 is penetrated through by thesecond guide rod 764, the bottoms of thefirst guide rod 763 and thesecond guide rod 764 are respectively fixed to thefirst support rod 73 and thesecond support rod 74, thepoking rod 765 is vertically fixed to the middle portions of the front end surfaces of thefirst guide rod 763 and thesecond guide rod 764, the outer diameter surface of thepoking rod 765 is embedded into the left and right ends of thelinkage rod 766, the middle portion of thelinkage rod 766 is inserted into thehinge seat 767, and the back surface of the drivingmotor 72 penetrates through thehinge seat 76.
Further, the bottom of thecompression roller 75 is semicircular, and the bottom of thecompression roller 75 is smooth, so that the pressing effect and the stability are good.
Further, the movingblock 164 is i-shaped, and a silica gel layer is bonded at the contact position of the movingblock 164 and thesliding groove 15, so that the strength is high, and abrasion is prevented.
Further, the width of the connectingband 165 is 3.5cm, and the thickness of the connectingband 165 is 1.2cm, so that the stability is high and the connecting band is not easy to break.
Furthermore, the connecting piece is fixed at the tail end of the connectingrod 206, and the right end of the connecting piece is semicircular concave, so that the connecting rod is convenient to mount and good in pushing stability.
Further, thepressure roller 75 is made of stainless steel.
According to the table show, thispractical compression roller 75 adopts stainless steel, can reach the effect that corrosion resistance is high, intensity is high.
Further, the connectingband 165 is made of corrosion-resistant rubber.
According to the table above show, this practical connectingband 165 adopts corrosion-resistant rubber material, can reach the effect that intensity is high, and corrosion resistance is strong.
Further, the connectingrod 206 is made of alloy steel.
As shown in the above table, the utilitymodel connecting rod 206 is made of alloy steel, and can achieve the effects of high durability and high strength.
The invention provides a preparation method and application of an antibacterial reverse osmosis membrane through improvement, and the preparation method and application are operated as follows;
firstly, when equipment needs to be used, the equipment is placed at a position where the equipment needs to work, the position needs to be horizontal, then theelectric cabinet 10 is connected to an external power supply through an external cable, the required electric energy can be provided for the equipment to work, theelectric cabinet 10 can control the equipment, then the membrane substrate aromatic polyamide is installed on the membrane winding cylinder 2, then thefirst metering pump 5 is started to inject an initiator into the water phase container 3, and then thesecond metering pump 13 is started to inject a bacteriostatic additive into theorganic phase container 11;
secondly, the user pulls out the film on the film winding drum 2, sequentially passes through a first top guide roller 4 at the upper end of the water phase container 3 to a firstbottom guide roller 6, then enters adrying box 9, then passes through a secondtop guide roller 12 at the upper end of theorganic phase container 11, then passes through a secondbottom guide roller 14, needs to pass through amovable roller 163 in anadjusting mechanism 16 in the middle, finally enters anair drying box 17, and is fixed on awinding roller 21 after being wound and passed through five groups oftransmission rollers 19 in theair drying box 17;
thirdly, starting to work, starting thestepping motor 25 to work, driving thedriving belt wheel 24 to rotate through an output shaft at the front end of thestepping motor 25, enabling thedriving belt wheel 24 to rotate through thesynchronous belt 23 by the drivenbelt wheel 22, enabling the wind-uproller 21 to rotate by the drivenbelt wheel 22, then winding the film, enabling the film on the film winding drum 2 to be subjected to the reaction of the initiator in the water phase container 3, then drying, then enabling the film to be air-dried after adsorbing the bacteriostatic additive in theorganic phase container 11, and finally winding to finish the processing of the bacteriostatic reverse osmosis membrane;
fourthly, when the film passes through the bottom of the water phase container 3 and reacts, thetensioning mechanism 7 is required to stretch the film, thedriving motor 72 is started to work, the drivingmotor 72 can drive thelinkage rod 766 in thetransmission mechanism 76 to rotate, when thelinkage rod 766 rotates anticlockwise, thefirst guide rod 763 at the left end can be pushed downwards, thefirst support rod 73 at the bottom of thefirst guide rod 763 can enable thepressing roller 75 at the bottom to press downwards, the film can be pressed to be stretched, the film can be more easily reacted with an initiator, and if thelinkage rod 766 rotates clockwise, thesecond guide rod 764 can enable thesecond support rod 74 at the bottom to be pushed out;
fifthly, if the liquid level of the solution in thephase container 11 is low, so that the bacteriostatic additive in the container cannot be contacted with the film on themovable roller 163, thehand wheel 166 is rotated by a user, themain shaft 167 can be rotated by thehand wheel 166, the roller 169 can be rotated under the rotation of themain shaft 167, the connectedconnecting belt 165 can be put down by the roller 169, thebase 161 at the bottom and themovable roller 163 on thebase 161 can be moved downwards by theconnecting belt 165, themovable blocks 164 at the front end and the rear end of thebase 161 can slide in thesliding groove 15 in the moving process to provide stability for the sliding groove, and when the position is adjusted to a proper position, themain shaft 167 can be locked by thelock 168 to prevent the rotation;
sixthly, when the air drying operation is carried out in theair drying box 17, theair cylinder 201 is connected with external pneumatic equipment, the infraredelectric heating tube 207 is started to work, the infraredelectric heating tube 207 can release heat energy to assist in air drying, then the push rod at the right end of theair cylinder 201 is started to reciprocate, theslide block 204 in the strip-shaped groove 205 can push the infraredelectric heating tube 207 through the connectingrod 206, and the slide block rotates on the rotatingshaft 208 at the middle of the back when the infraredelectric heating tube 207 moves, so that multi-angle circular heating is realized.
The invention provides a preparation method of an antibacterial reverse osmosis membrane and application thereof through improvement, wherein atensioning mechanism 7 is arranged in a water phase container 3, when a membrane substrate passes through the lower end of a water phase, an independent motor in the mechanism controls atransmission mechanism 76 to enable a bottom support rod to enable acompression roller 75 to compress the relaxed membrane substrate, so that the membrane obtains pressure when passing through, and two groups of support rods can compress downwards to achieve different positions for compressing, the stretching effect is good, and the capacity of adsorbing water phase solution is effectively improved; by installing theadjusting mechanism 16 in themachine phase container 11, when themovable roller 163 on theadjusting mechanism 16 passes through the capsule, if the liquid level in the machine phase is low, the user can control thehand wheel 166 to move through the roller 169, and then the bottommovable roller 163 can be put down, so that the height position can be adjusted, the operation is convenient and fast, and the processing effect is good; by arranging the adjustingheating mechanism 20 at the left lower end in theair drying box 17, thecylinder 166 controls the heating mechanism and can drive the slidingblock 204 to adjust the heating angle of the infraredelectric heating tube 207, and when the push rod is controlled by thecylinder 201 to continuously retract and extend, the infraredelectric heating tube 207 can be heated in a reciprocating multi-angle manner.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.