A kind of RO membrane filterTechnical field
The invention belongs to Water warfare field, specifically a kind of RO membrane filter.
Background technique
RO is the abbreviation of English Reverse Osmosis, and Chinese means reverse osmosis, and the type of flow of general water is by lowConcentration flows to high concentration, will be from high concentration flow to low concentration after water is once pressurize, that is, so-called reverse osmosis principle, due to ROThe aperture of film is 0.0001 micron of 100 a ten thousandth of hairline, and general naked eyes can not see that bacterium, virus are its 5000Times, therefore, only hydrone and part mineral ion can be orientated by the unhelpful damage of the ion passed through, other impurity and heavy metalIt is discharged by waste pipe.The process and spaceman's waste water recycling device of all sea water desalinations are all made of the method, therefore RO filmAlso known as external high-tech " artificial kidney ".Both at home and abroad, the military civil field of medicine all takes top RO film to carry out macromolecule mistakeFilter, reverse osmosis is the new membrane separation technique to grow up the sixties, is made in solution under stress by reverse osmosis membraneThe process that is separated with solute of solvent, reverse osmosis technology is using osmotic pressure difference be power UF membrane filtering technique,Derived from the research of U.S.'s nineteen sixties aerospace science and technology, after gradate to be civilian, be widely used in scientific research, doctorThe fields such as medicine, food, beverage, sea water desalination.
Common RO membrane filter is all to realize that raw water passes through RO membrane component by increasing hydraulic pressure merely currently on the marketIt is filtered, the rate of filtration is slower, and RO membrane filter currently on the market is using after a period of time can be in RO film tableArea tires out one layer of impurity, needs to carry out mutual disassembly's cleaning, causes the loss of biggish manpower and material resources.
Summary of the invention
In order to make up for the deficiencies of the prior art, it is lower to solve filter efficiency during raw water filtration, and needs mutual disassemblyThe problem of cleaning RO membrane component surface, a kind of RO membrane filter proposed by the present invention.
The technical solution adopted by the present invention to solve the technical problems is: a kind of RO membrane filter of the present invention, packetInclude cylinder, rotation axis, end cap, shell and RO membrane component；The cylinder is fixed by the bracket on end cap, cylinder output with turnMoving axis connection；The rotation axis is connect by being threadedly engaged with end cap, and rotation axis side wall has been connected by screw to stirring bar；It is describedEnd cap is connect by bolt with shell, and end cap is equipped with water inlet；The RO membrane component be inlaids in the shell wall；Under the shellEnd is equipped with pure water mouth and waste water mouth, drives stirring bar to stir raw water, accelerated filtration, work by the cooperation of cylinder and rotation axisWhen, raw water is flowed into from water inlet, and cylinder generates squeezing action to No.1 axis, and No.1 axis can be along when by downward extruding forceScrew thread is rotated down movement, and the rotation of No.1 axis has driven the rotation of air bag and No. two axis, and the rotation of No. two axis has driven No. twoStirring bar rotation on axis accelerates raw water and passes through RO membrane component to have the function that be stirred the raw water of inflowSpeed, improve working efficiency, reduce energy consumption.
Preferably, the rotation outer shaft sleeve has a fixing axle, and rotation axis is made of No.1 axis, air bag and No. two axis；It is describedNo.1 axis one end is connect with cylinder output, and the other end is connect with air bag；The air bag is connect with No. two shaft ends；No. two axisEnd bottom is hinged with brush board, and brush board is equipped with cleaning brush；The fixing axle upper end is connect with end cap, and fixed hub is in No.1 axle portionThe outer wall divided is hinged with folded sheet；The folded sheet end and No. two axis outer walls are hinged, are driven by the cooperation of cylinder and rotation axisCleaning brush rotation cleaning RO membrane component end face drives No. two axis to move down when work when No.1 axis is constantly rotated down,When No. two axis low sides stretch out fixing axle, brush board can be opened due to gravity, and the cleaning brush on brush board can be laid in RO membrane elementOn the end face of part, the meeting in the rotary course of No. two axis is realized and is not necessarily to so that cleaning brush cleans RO membrane component end face with waterIt dismantles and cleans automatically.
Preferably, it is equipped with pulley between fixing axle inside on the outside of No. two axis, the movement of No. two axis is subtracted by pulleyFrictional force in few movement drives No. two axis to move downward, at this time the outside of No. two axis when work when No.1 axis is rotated downIt can play the role of lubrication with the pulley among the inner wall of fixing axle, and No. two axis is helped to realize stretching and retraction movement,Reduce the outside of No. two axis and the inner wall frictional resistance of fixing axle, reduces workpiece loss.
Preferably, the shape of the cleaning brush is arc, increases the contact area of cleaning brush and RO membrane component end face, enhancingCleaning effect, when work, when No. two axis, which do not stop to be rotated down, stretches out fixing axle until bottom end, brush board can be beaten due to gravityIt opens, cleaning brush can be laid on the end face of RO membrane component, and the cleaning brush of arc and the contact area of RO membrane component end face are bigger, be madeThe range obtained during spin-cleaning is wider, and cleaning effect becomes apparent from, and when cleaning brush is withdrawn, the shape of arc can makeIt is mutually cleaned between cleaning brush, increases clean-up performance.
Preferably, fumarole is provided in the cleaning brush, and fumarole is connect by hose with air bag, it is big by air bagSmall variation drives the flowing of air-flow at fumarole, to enhance cleaning effect, when work, when No. two axis do not stop to be rotated down it is straightWhen stretching out fixing axle to bottom end, since gravity is opened, cleaning brush is laid on the end face of RO membrane component to be rotated brush boardWhen cleaning with water, due to the lower moving in rotation of No.1 axial direction, the air bag among No.1 axis and No. two axis is squeezed, the gas in air bag can lead toThe fumarole crossed in cleaning brush is extruded out, can further clean to RO membrane component end face, increases cleaning effect, and cleanBrush can generate vibration due to being passed into gas, increase clean-up performance.
Preferably, the inner walls band is gradient, i.e., more downward radius is smaller, is limited, is kept away to RO membrane componentExempt from RO membrane component to offset downward during the filtration process, it, can be to RO membrane component when work when raw water enters RO membrane component from upper endCertain percussion is generated, RO membrane component can be made to slide downwards, so can be to RO membrane component with gradient inner wallsPlay the role of limit, RO membrane component is avoided to move down, and in the raw water meeting of RO membrane component and inner walls contact portionSince squeezing action is repeatedly filtered between RO membrane component and inner walls, filter effect is increased, avoids raw water from side wallOutflow.
Beneficial effects of the present invention are as follows:
1. a kind of RO membrane filter of the present invention, by the way that stirring bar is arranged in rotation axis side wall, to what will be filteredRaw water is stirred effect, and raw water is generating larger speed after stirring, improving the efficiency of raw water filtration, reduce filteredEnergy consumption in journey.
2. a kind of RO membrane filter of the present invention, by being equipped with cleaning brush in rotation axis end face, during the filtration processThe cleaning action that RO membrane component end face can be carried out while raw water is filtered by RO membrane component avoids the filtering of RO filmDevice is improved work efficiency for a long time using the lower inconvenience for needing to carry out mutual disassembly's cleaning, reduces manpower and material resources.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is perspective view of the invention；
Fig. 2 is cross-sectional view of the invention；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is the partial enlarged view in Fig. 2 at B；
In figure: 24, No. two cylinder 1, rotation axis 2, stirring bar 21, fixing axle 22, pulley 221, No.1 axis 23, air bag axis25, hose 251, folded sheet 26, cleaning brush 27, fumarole 271, brush board 28, end cap 3, water inlet 31, shell 4, pure water mouth 41,Waste water mouth 42, RO membrane component 5, bracket 6.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie belowSpecific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 4, a kind of RO membrane filter of the present invention, including cylinder 1, rotation axis 2, end cap 3, shellBody 4 and RO membrane component 5；The cylinder 1 is fixed on end cap 3 by bracket 6, and 1 output end of cylinder is connect with rotation axis 2；It is describedRotation axis 2 is connect by being threadedly engaged with end cap 3, and 2 side wall of rotation axis has been connected by screw to stirring bar 21；The end cap 3 is logicalIt crosses bolt to connect with shell 4, end cap 3 is equipped with water inlet 31；The RO membrane component 5 is embedded in 4 inner wall of shell；The shell 4Lower end is equipped with pure water mouth 41 and waste water mouth 42, drives stirring bar 21 to stir raw water by the cooperation of cylinder 1 and rotation axis 2, acceleratesFiltering, when work, raw water is flowed into from water inlet 31, and cylinder 1 generates squeezing action to No.1 axis 23, and No.1 axis 23 is by downwardExtruding force when can be rotated down and move along screw thread, the rotation of No.1 axis 23 has driven the rotation of air bag 24 and No. two axis 25,The rotation of No. two axis 25 driven the stirring bar 21 on No. two axis 25 to rotate, and is stirred to reach to the raw water of inflowEffect accelerates the speed that raw water passes through RO membrane component 5, improves working efficiency, reduces energy consumption.
As one embodiment of the present invention, it is cased with a fixing axle 22 outside the rotation axis 2, rotation axis 2 is by No.1 axis23, air bag 24 and No. two axis 25 form；Described 23 one end of No.1 axis is connect with 1 output end of cylinder, and the other end is connect with air bag 24；The air bag 24 is connect with No. two 25 ends of axis；The 25 end bottom of No. two axis is hinged with brush board 28, and brush board 28 is equipped with cleaning brush27；22 upper end of fixing axle is connect with end cap 3, and 22 sets of the fixing axle outer walls in 23 part of No.1 axis are hinged with folded sheet 26；26 end of folded sheet and number axis outer wall are hinged, drive the rotation cleaning RO film of cleaning brush 27 by the cooperation of cylinder 1 and rotation axis 25 end face of element when work, when No.1 axis 23 is constantly rotated down, drives No. two axis 25 to move down, when No. two axis 25 are lowWhen fixing axle 22 is stretched out at end, brush board 28 can be opened due to gravity, and the cleaning brush 27 on brush board 28 can be laid in RO membrane component 5End face on, the meeting in the rotary course of No. two axis 25 is so that cleaning brush 27 cleans 5 end face of RO membrane component with water.
As one embodiment of the present invention, pulley is equipped between 25 outside of No. two axis and 22 inside of fixing axle221, the movements of No. two axis 25 reduces the frictional force in movement by pulley 221, when work when No.1 axis 23 is rotated down, bandDynamic No. two axis 25 move downward, and the pulley 221 among the outside of No. two axis 25 and the inner wall of fixing axle 22 can play profit at this timeSliding effect, and the stretching and retraction movement of No. two axis 25 are helped, reduce the outside of No. two axis 25 and the inner wall of fixing axle 22Between frictional resistance, reduce workpiece loss.
As one embodiment of the present invention, the shape of the cleaning brush 27 is arc, increases cleaning brush 27 and RO filmThe contact area of 5 end face of element enhances cleaning effect, when work, when No. two axis 25 do not stop to be rotated down until bottom end stretch out it is solidWhen dead axle 22, brush board 28 can be opened due to gravity, and cleaning brush 27 can be laid on the end face of RO membrane component 5, arc it is clearClean brush 27 is bigger with the contact area of 5 end face of RO membrane component, so that range during spin-cleaning is wider, cleaning effect is moreObviously, and when cleaning brush 27 is withdrawn, the shape of arc can mutually to be cleaned between cleaning brush 27, increase cleaning journeyDegree.
As one embodiment of the present invention, fumarole 271 is provided in the cleaning brush 27, and fumarole 271 is logicalIt crosses hose 251 to connect with air bag 24, the flowing of air-flow at fumarole 271 is driven by the variation of 24 size of air bag, to enhanceCleaning effect, when work, when being cleaned with water on the end face that cleaning brush 27 is laid in RO membrane component 5, since No.1 axis 23 is rotated downIt is mobile, the air bag 24 among No.1 axis 23 and No. two axis 25 is squeezed, the gas in air bag 24 can pass through the spray in cleaning brush 27Stomata 271 is extruded out, can further clean to 5 end face of RO membrane component, increases cleaning effect, and cleaning brush 27 can be due toIt is passed into gas and generates vibration, increase clean-up performance.
As one embodiment of the present invention, 4 inner wall belt of shell is gradient, i.e., more downward radius is smaller, to ROMembrane component 5 is limited, and RO membrane component 5 is avoided to offset downward during the filtration process, enters RO from upper end when raw water when workWhen membrane component 5, certain percussion can be generated to RO membrane component 5, RO membrane component 5 can be made to slide downwards, so with oblique4 inner wall of shell of degree can play the role of limit to RO membrane component 5, avoid RO membrane component 5 from moving down, and in RO membrane component5 and the raw water of 4 inner wall contact portion of shell mistake repeatedly can be carried out between 4 inner wall of RO membrane component 5 and shell due to squeezing actionFilter, increases filter effect, and raw water is avoided to flow out from side wall.
When work, raw water from water inlet 31 flow into, cylinder 1 to No.1 axis 23 generate squeezing action, No.1 axis 23 byIt can be rotated down and move along screw thread when downward extruding force, the rotation of No.1 axis 23 has driven the rotation of air bag 24 and No. two axis 25Turn, the rotation of No. two axis 25 has driven the stirring bar 21 on No. two axis 25 to rotate, and stirs to reach the raw water of inflowThe effect mixed accelerates raw water by the speed of RO membrane component 5 and drives No. two axis when No.1 axis 23 is constantly rotated down25 move down, and when No. two 25 low sides of axis stretch out fixing axle 22, brush board 28 can be opened due to gravity, clear on brush board 28Clean brush 27 can be laid on the end face of RO membrane component 5, the meeting in the rotary course of No. two axis 25 so that cleaning brush 27 to RO membrane element5 end face of part is cleaned with water, the cunning during stretching of No. two axis 25, among the outside of No. two axis 25 and the inner wall of fixing axle 22Wheel 221 can play the role of lubrication, and help the stretching and retraction movement of No. two axis 25, reduce frictional resistance, cleaningWhen brush 27 can be laid on the end face of RO membrane component 5, the contact area of 5 end face of cleaning brush 27 and RO membrane component of arc is bigger,So that range during spin-cleaning is wider, cleaning effect is become apparent from, and is rotated down in moving process in No.1 axis 23, is squeezedThe air bag 24 among No.1 axis 23 and No. two axis 25 is pressed, the gas in air bag 24 can pass through the fumarole 271 in cleaning brush 27It is extruded out, 5 end face of RO membrane component can further be cleaned, increase cleaning effect, when raw water enters RO membrane element from upper endWhen part 5, certain percussion can be generated to RO membrane component 5, RO membrane component 5 can be made to slide downwards, so with gradient4 inner wall of shell can play the role of limit to RO membrane component 5, and RO membrane component 5 is avoided to move down, and RO membrane component 5 withThe raw water of 4 inner wall contact portion of shell can be repeatedly filtered due to squeezing action, increased filter effect, avoided raw water from sideWall outflow.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry shouldUnderstand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the inventionReason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvementsIt all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circleIt is fixed.