CN113750597A - Unpowered back-washing ultrafiltration water purification equipment - Google Patents
Unpowered back-washing ultrafiltration water purification equipment Download PDFInfo
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- CN113750597A CN113750597A CN202111051981.9A CN202111051981A CN113750597A CN 113750597 A CN113750597 A CN 113750597A CN 202111051981 A CN202111051981 A CN 202111051981A CN 113750597 A CN113750597 A CN 113750597A
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- water
- filter screen
- water pipe
- knocking
- water purification
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 331
- 238000000746 purification Methods 0.000 title claims abstract description 55
- 238000011001 backwashing Methods 0.000 title claims abstract description 29
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims description 43
- 239000004744 fabric Substances 0.000 claims description 14
- 239000002893 slag Substances 0.000 claims description 13
- 239000008213 purified water Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 description 18
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 230000035699 permeability Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 241000883990 Flabellum Species 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000003818 cinder Substances 0.000 description 5
- 230000007717 exclusion Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to the technical field of water purification equipment, and particularly relates to unpowered backwashing ultrafiltration water purification equipment which comprises a water purification tank; a filter screen is fixedly connected inside the water purifying tank; a water pressure detector is arranged in the middle of the filter screen; the two ends of the water pressure detector are positioned at the two sides of the filter screen; one side of the water purification tank is communicated with a first water pipe; a first electromagnetic valve is arranged in the middle of the first water pipe; the other side of the water purification tank is communicated with a second water pipe; a second electromagnetic valve is arranged in the middle of the second water pipe; a third water pipe is communicated between the first water pipe and the water purification tank; through being equipped with the water pressure detector at the filter screen middle part and coming to control a plurality of water pipes, can make when whole device needs the back flush, only need from original water inlet department transfer fortune water wash the filter screen can, reduced need additionally wash the step that equipment washed the filter screen, the equipment use quantity of the whole device that reduces has reduced use cost.
Description
Technical Field
The invention belongs to the technical field of water purification equipment, and particularly relates to unpowered backwashing ultrafiltration water purification equipment.
Background
The water purifier is a common water filtering device in real life, and the filter screen inside the water purifier has scale deposit, so that a water flow needs to be added in the reverse direction of the filter screen to perform reverse washing on the filter screen, and the operation is called as back washing.
Some technical schemes about water purification equipment have also appeared among the prior art, chinese patent with application number 2020112782931 discloses an unpowered back flush ultrafiltration water purification equipment, including the main tank body, and the inside fixed mounting of main tank body has the rose box, and the inside of rose box is provided with water pressure thrust unit, and water pressure thrust unit's one end fixed mounting has first baffle, and one side of first baffle is provided with the filter screen frame, and the inside fixed mounting of filter screen frame has the filter screen.
Some technical schemes related to water purifying equipment also appear in the prior art, for example, a chinese patent with application number 2020107176414 discloses an integrated water purifying equipment and a water purifying process thereof, including N series water purifying equipment and U series water purifying equipment: the N-series water purifying equipment comprises a pipeline mixer allowing raw water to sequentially pass through, a grid reaction area, an inclined tube settling area, a filtering area and a water outlet pipe, wherein the grid reaction area consists of a vertical shaft and grids, the grids are stacked in the vertical shaft, and the inclined tube settling area comprises a plurality of inclined tubes with certain inclination and mud hoppers arranged below the inclined tubes; the U-series water purifying equipment comprises a raw water tank, a raw water pump, a multi-medium filter, an activated carbon filter, a precision filter, an ultrafiltration membrane component, a water production tank and a backwashing pump which are used for feeding raw water in sequence.
Among the prior art at present, among the current device, need increase an solitary water supply installation at purifier's back, when piling up a large amount of incrustations on the filter screen of water purifier inside, open water supply installation alone, carry out the backwash to the filter screen, realize the back flush, and then just can clean the filter screen.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that an independent water supply device needs to be added on the back of a water purifier, when a large amount of scale is accumulated on a filter screen in the water purifier, the water supply device is independently opened to reversely flush the filter screen to realize backwashing, and then the filter screen can be cleaned, the unpowered backwashing ultrafiltration water purification device provided by the invention.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to unpowered backwashing ultrafiltration water purification equipment, which comprises a water purification tank; a filter screen is fixedly connected inside the water purifying tank; a water pressure detector is arranged in the middle of the filter screen; the two ends of the water pressure detector are positioned at the two sides of the filter screen; one side of the water purification tank is communicated with a first water pipe; a first electromagnetic valve is arranged in the middle of the first water pipe; the other side of the water purification tank is communicated with a second water pipe; a second electromagnetic valve is arranged in the middle of the second water pipe; a third water pipe is communicated between the first water pipe and the water purification tank; one end of the third water pipe is connected to the first water pipe at a position on the top of the first electromagnetic valve, and the other end of the third water pipe is connected to one side, far away from the first water pipe, of the purified water tank; a third electromagnetic valve is arranged in the middle of the third water pipe; a fourth water pipe is communicated with the side wall of the water purification tank close to the first water pipe; a fourth electromagnetic valve is arranged in the middle of the fourth water pipe; when the water purifier is used, the first electromagnetic valve and the second electromagnetic valve are opened to be in an unblocked state, the third electromagnetic valve and the fourth electromagnetic valve are closed to be in a state that the fourth water pipe and the third water pipe cannot flow water, the first water pipe is connected to the water inlet pipe, water resources to be purified enter the water purifying tank through the first water pipe, at the moment, the water enters the water purifying tank through the first water pipe and is then discharged from the second water pipe through the filtration of the filter screen, when more scales are accumulated on the filter screen, the water pressure inside the water purifying tank at the two sides of the filter screen has larger difference, at the moment, the water pressure detector can sense the water pressure at the two sides of the filter screen, when the pressure difference is too large, the third electromagnetic valve and the fourth electromagnetic valve are controlled to be opened to enable the third water pipe and the fourth water pipe to be in an unblocked state, and then the first electromagnetic valve and the second electromagnetic valve are closed, the bottom of the first water pipe and the second water pipe are in a closed state, at the moment, water enters the water purifying tank from the third water pipe through water, then the filter screen is impacted, the filter screen is flushed away from scale on one side close to the first water pipe and then is discharged from the fourth water pipe along with water flow, further the scale on the filter screen is reduced, the water permeability of the filter screen is recovered, the filter screen can normally filter water, when the water pressure difference between two sides of the filter screen is not large, the water pressure detector controls the third electromagnetic valve and the fourth electromagnetic valve to be in a closed state, the first electromagnetic valve and the second electromagnetic valve are opened, water needing to be filtered continuously enters the first water pipe and then is discharged to a position needing water from the second water pipe, and when the whole device needs backwashing, the filter screen only needs to be flushed by transferring water from the original water inlet, the step of washing the filter screen by additional washing equipment is reduced, the equipment use number of the whole device is reduced, and the use cost is reduced.
Furthermore, a water wheel is rotatably connected to one end of the third water pipe, which is positioned in the water purifying tank; the side wall of the filter screen close to the water wheel is rotatably connected with a knocking roller through a bracket; a belt is connected between the water wheel and the rotating shaft of the knocking roller; a plurality of groups of oval cavities are formed in the knocking roller; an elastic pull rope is fixedly connected inside the oval cavity; the side wall of the elastic pull rope is fixedly connected with an elastic supporting rod; the elastic supporting rod extends out of the knocking roller; the end part of the elastic supporting rod is fixedly connected with a knocking block; when the passageway of the open third water pipe of third solenoid valve, there is the in-process that rivers go out third water pipe tip, can drive water wheels and rotate, water wheels can drive the knocking roller rotation through the belt simultaneously, then at the rotatory in-process of knocking roller, can throw the elastic support pole and strike the piece, strike the piece and will be because of the effect of centrifugal force down, drag the elasticity stay cord, stretch out longer distance from knocking roller inside, then at the rotatory in-process of knocking roller, strike the lateral wall that strikes the filter screen that the piece can last, knock off accumulational incrustation scale on the filter screen lateral wall, make when the back flush is carried out to third water pipe, incrustation scale on the filter screen can be washed more easily, and the speed of multiplicable back flush.
Furthermore, a guide plate is fixedly connected to one side of the knocking block, which is far away from the elastic supporting rod; a drainage groove is formed in the knocking block; the channel between the guide plate and the knocking block is arranged in a large-size mode; the drainage groove is formed in the guide plate and the drainage groove is formed in the side wall of the knocking block, when the knocking block moves in water in the water purification tank, the knocking block can be pulled out by a farther distance from the inside of the knocking roller, so that when the knocking block rotates in the water purification tank, the impact force on the filter screen is larger, the vibration effect of the filter screen when the filter screen is backwashed is increased, the speed of falling of scale on the side wall of the filter screen when the filter screen is backwashed is further increased, and the water permeability of the filter screen is increased.
Furthermore, fan blades are arranged on the side wall of the knocking block; the fan blades are rotatably connected with the knocking block through a bracket; be equipped with the flabellum through the lateral wall at the piece of strikeing, can be so that strike the piece when water purification jar is inside to be removed, the flabellum can be rotatory because of the flow of water, can produce slight vibration at the rotatory in-process of flabellum, and then can make and strike the piece and can be followed slight vibration and strike the filter screen when water purification jar is inside to be removed, and strike piece and filter screen contact and when moving on the filter screen, also have slight vibration and conduct on the filter screen, make the filter screen permeate water the inside incrustation scale in hole also can be scattered, then blow off by the back flush, further promote the filter screen and receive wash holistic water permeability.
Further, a first magnet is fixedly connected to the side wall of the knocking block; the first magnet is arranged at the joint of the knocking block and the elastic supporting rod; a second magnet is fixedly connected to the bracket of the knocking roller; the second magnet is arranged on one side, far away from the filter screen, of the bracket of the knocking roller; second magnet through being equipped with first magnet and filter screen lateral wall on knocking the piece and mutually supporting, can be knocking the piece when being close to second magnet when knocking the roller rotation, first magnet and second magnet mutual exclusion, the first magnet that will be close to the second magnet extrudees together, then behind first magnet through the second magnet, a plurality of first magnets can be together extruded because of the mutual exclusion with the second magnet, when first magnet is crowded together, the striking that produces can make the roller vibrations of knocking, then can be with vibrations conduction on the filter screen, make on the filter screen impurity and the incrustation scale of both sides all shaken scattered, when increasing the back flush, the utilization ratio of water resource, can be in the same water yield, take away more incrustations.
Further, a rubber head 6 is fixedly connected to the side wall of the knocking block 25; through the lateral wall that strikes piece 25 be equipped with rubber head 6, can make and strike piece 25 at the in-process that strikes filter screen 11, reduce the lateral wall that strikes piece 25 and filter screen 11 direct impact, strike piece 25 in the positive and can normally strike filter screen 11, when making filter screen 11 produce vibrations, and reducible filter screen 11 is by harder strike piece 25 direct impact and lead to damaging too much problem, increase filter screen 11's life.
Furthermore, a plurality of groups of flexible pressing sheets are fixedly connected to the side wall of the knocking roller; each group of the flexible pressing sheets is arranged at two sides of the elastic supporting rod; an elastic sheet is fixedly connected between the flexible pressing sheet and the knocking roller; through being equipped with flexible pressing sheet at the lateral wall of elastic support pole, can stretch out and retract the time from knocking the roller inside at elastic support pole, flexible pressing sheet can be with the incrustation scale sweeping of adhesion on the elastic support pole lateral wall, when reducing elastic support pole and retracting, the incrustation scale is brought into the inside volume of oval cavity, makes elastic support pole still can be normal after long-time use stretch out the retraction, increases the stability of elastic support pole when using.
Furthermore, a plurality of groups of slag removing thorns are fixedly connected to the side wall of the flexible pressing sheet; the slag removing pricks are arranged on one side, close to the elastic supporting rod, of the flexible pressing sheet; through the lateral wall increase at flexible pressing piece have the contact of multiunit scarfing cinder thorn and elastic support pole, can take place when rubbing between elastic support pole and the flexible pressing piece, the scarfing cinder thorn can strike off the incrustation scale that is difficult to erase on the elastic support pole, further promotes the clean and tidy degree on the elastic support pole.
Furthermore, the end part of the flexible pressing sheet is provided with a flexible magnet; the flexible magnet is fixedly connected with the flexible pressing sheet; be equipped with multiunit flexible magnet through the tip at flexible pressing piece and adsorb each other, multiplicable flexible pressing piece makes the elastic support pole when removing to the pressure degree of elastic support pole, and the clear sediment thorn increases simultaneously to the pressure degree of elastic support pole, promotes the clear sediment thorn of scarfing cinder to the clean effect of elastic support pole, reduces the residual volume of incrustation scale on the elastic support pole.
Furthermore, the side wall of the elastic support rod is provided with elastic dustproof cloth; the elastic dustproof cloth is fixedly connected with the elastic supporting rod; the other end of the elastic dustproof cloth is fixedly connected to the side wall of the knocking roller; through being equipped with elasticity dustproof cloth in the port department of oval cavity, can avoid knocking the external incrustation scale of roller and enter into oval cavity inside from oval cavity port department, and the problem of the oval cavity of jam that leads to can make the elastic support pole when knocking the roller rotation, can be normal stretch out and draw back.
The invention has the beneficial effects that:
1. the invention provides unpowered backwashing ultrafiltration water purification equipment, which is characterized in that a water pressure detector is arranged in the middle of a filter screen to control a plurality of water pipes, so that when the whole device needs backwashing, only water needs to be transferred from an original water inlet to flush the filter screen, the steps of flushing the filter screen by additional flushing equipment are reduced, the equipment use number of the whole device is reduced, and the use cost is reduced.
2. When the passageway through at the open third water pipe of third solenoid valve, there is the in-process that rivers go out third water pipe tip, can drive water wheels and rotate, water wheels can drive the knocker roller through the belt simultaneously and rotate, then at the rotatory in-process of knocker roller, can whipping elastic support pole and knock the piece, knock the piece and will be because of the effect of centrifugal force down, drag the elasticity stay cord, stretch out longer distance from knocking roller inside, then at the rotatory in-process of knocker roller, knock the lateral wall that knocks the filter screen that the piece can last, knock off accumulational incrustation scale on the filter screen lateral wall, make when the back flush is carried out to third water pipe, the incrustation scale on the filter screen can be washed more easily, and the speed of multiplicable back flush.
3. The drainage groove is formed in the guide plate and the drainage groove is formed in the side wall of the knocking block, when the knocking block moves in water in the water purification tank, the knocking block can be pulled out by a farther distance from the inside of the knocking roller, so that when the knocking block rotates in the water purification tank, the impact force on the filter screen is larger, the vibration effect of the filter screen when the filter screen is backwashed is increased, the speed of falling of scale on the side wall of the filter screen when the filter screen is backwashed is further increased, and the water permeability of the filter screen is increased.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of a knock roller according to the present invention;
FIG. 3 is a schematic structural view of a knocking block;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is a schematic structural view of an elastic dust cloth;
illustration of the drawings:
1. a water purification tank; 11. filtering with a screen; 111. a water pressure detector; 12. a first water pipe; 13. a first solenoid valve; 14. a second water pipe; 15. a second solenoid valve; 16. a third water pipe; 17. a third electromagnetic valve; 18. a fourth water pipe; 19. a fourth solenoid valve; 2. a water wheel; 21. knocking rollers; 22. an elliptical cavity; 23. an elastic pull rope; 24. an elastic support bar; 25. knocking the block; 3. a baffle; 31. a drainage groove; 4. a fan blade; 5. a first magnet; 51. a second magnet; 6. a rubber head; 7. a flexible pressing sheet; 71. a spring plate; 8. removing slag burrs; 9. a flexible magnet; 91. elastic dustproof cloth.
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.
Specific examples are given below.
Referring to fig. 1-4, the present invention provides an unpowered reverse-washing ultrafiltration water purification apparatus, comprising a water purification tank 1; a filter screen 11 is fixedly connected inside the water purification tank 1; a water pressure detector 111 is arranged in the middle of the filter screen 11; the two ends of the water pressure detector 111 are positioned at the two sides of the filter screen 11; one side of the water purification tank 1 is communicated with a first water pipe 12; a first electromagnetic valve 13 is arranged in the middle of the first water pipe 12; the other side of the purified water tank 1 is communicated with a second water pipe 14; a second electromagnetic valve 15 is arranged in the middle of the second water pipe 14; a third water pipe 16 is communicated between the first water pipe 12 and the water purifying tank 1; one end of the third water pipe 16 is connected to the first water pipe 12 at a position on the top of the first electromagnetic valve 13, and the other end is connected to one side of the purified water tank 1 far away from the first water pipe 12; a third electromagnetic valve 17 is arranged in the middle of the third water pipe 16; a fourth water pipe 18 is communicated with the side wall of the purified water tank 1 close to the first water pipe 12; a fourth electromagnetic valve 19 is arranged in the middle of the fourth water pipe 18; when the water purifier is used, the first electromagnetic valve 13 and the second electromagnetic valve 15 are opened to be in a unblocked state, the third electromagnetic valve 17 and the fourth electromagnetic valve 19 are closed to enable the fourth water pipe 18 and the third water pipe 16 to be in a water-flowing-incapable state, the first water pipe 12 is connected to the water inlet pipe, water resources to be purified enter the water purifying tank 1 through the first water pipe 12, at the moment, water enters the water purifying tank 1 through the first water pipe 12 and is then discharged from the second water pipe 14 through the filtering of the filter screen 11, when more scales are accumulated on the filter screen 11, the water pressure inside the water purifying tank 1 at two sides of the filter screen 11 has a larger difference, at the moment, the water pressure detector 111 senses the water pressure at two sides of the filter screen 11, when the pressure difference is too large, the third electromagnetic valve 17 and the fourth electromagnetic valve 19 are controlled to be opened to enable the third water pipe 16 and the fourth water pipe 18 to be in an unblocked state, then the first electromagnetic valve 13 and the second electromagnetic valve 15 are closed to make the bottom of the first water pipe 12 and the second water pipe 14 in a closed state, at this time, water will enter the water purifying tank 1 from the third water pipe 16 through the water, then the filter screen 11 is impacted to flush the scale on the side of the filter screen 11 close to the first water pipe 12, then the water will be discharged from the fourth water pipe 18 along with the water flow, further the scale on the filter screen 11 is reduced, the water permeability of the filter screen 11 is restored, the filter screen 11 can filter the water normally, when the water pressure difference between the two sides of the filter screen 11 is not large, the water pressure detector 111 will control the third electromagnetic valve 17 and the fourth electromagnetic valve 19 to be in a closed state, the first electromagnetic valve 13 and the second electromagnetic valve 15 are opened, the water to be filtered continues to enter from the first water pipe 12, then is discharged from the second water pipe 14 to the position where the water needs to be used, and this arrangement can make the whole device need, only need follow original delivery of water department transfer the water wash filter screen 11 can, reduced the step that needs extra washing equipment to wash filter screen 11, the equipment use quantity of the whole device that reduces has reduced use cost.
A water wheel 2 is rotatably connected to one end of the third water pipe 16, which is positioned in the purified water tank 1; the side wall of the filter screen 11 close to the water wheel 2 is rotatably connected with a knocking roller 21 through a bracket; a belt is connected between the water wheel 2 and the rotating shaft of the knocking roller 21; a plurality of groups of oval cavities 22 are formed in the knocking roller 21; an elastic pull rope 23 is fixedly connected inside the oval cavity 22; the side wall of the elastic pull rope 23 is fixedly connected with an elastic support rod 24; the elastic supporting rod 24 extends out of the knocking roller 21; the end part of the elastic supporting rod 24 is fixedly connected with a knocking block 25; when the third solenoid valve 17 opens the channel of the third water pipe 16, there is the in-process that water flows at the end of the third water pipe 16, can drive the water wheel 2 to rotate, simultaneously the water wheel 2 can drive the knocking roller 21 to rotate through the belt, then in the rotating process of the knocking roller 21, the elastic supporting rod 24 and the knocking block 25 can be swung, the knocking block 25 can pull the elastic pull rope 23 due to the effect of centrifugal force, extend out a longer distance from the inside of the knocking roller 21, then in the rotating process of the knocking roller 21, the knocking block 25 can continuously knock the side wall of the filter screen 11, and the accumulated scale on the side wall of the filter screen 11 is knocked off, so that when the third water pipe 16 is backwashed, the scale on the filter screen 11 can be more easily washed off, and the backwashing speed can be increased.
A guide plate 3 is fixedly connected to one side of the knocking block 25, which is far away from the elastic support rod 24; a guide plate 3 is fixedly connected to one side of the knocking block 25, which is far away from the elastic support rod 24; a drainage groove 31 is formed in the knocking block 25; the channel between the guide plate 3 and the knocking block 25 is arranged in a large-size manner; through be equipped with guide plate 3 and inside drainage groove 31 of having seted up at the lateral wall of knocking piece 25, can be when knocking piece 25 and removing in the inside aquatic of water purification tank 1, will strike piece 25 and draw farther distance from knocking roller 21 inside, make and strike piece 25 when water purification tank 1 is inside rotatory, the impact force to filter screen 11 is bigger, increase the vibration effect that filter screen 11 received when by the back flush, further promote filter screen 11 when by the back flush, the speed that its lateral wall incrustation scale drops, increase filter screen 11's water permeability.
The fan blades 4 are arranged on the side wall of the knocking block 25; the fan blades 4 are rotatably connected with the knocking block 25 through a bracket; through the lateral wall at strike piece 25 be equipped with flabellum 4, can be so that strike piece 25 when the inside removal of water purification jar 1, flabellum 4 can rotate because of the flow of water, can produce slight vibration at the rotatory in-process of flabellum 4, and then can make and strike piece 25 and can strike filter screen 11 along with slight vibration when the inside removal of water purification jar 1, and strike piece 25 and filter screen 11 contact and when moving on filter screen 11, also have slight vibration to conduct on filter screen 11, make the inside incrustation scale in filter screen 11 hole of permeating water also can be shaken and scattered, then blow off by the back flush, further promote filter screen 11 and receive holistic permeability after the recoil.
The side wall of the knocking block 25 is fixedly connected with a first magnet 5; the first magnet 5 is arranged at the joint of the knocking block 25 and the elastic supporting rod 24; a second magnet 51 is fixedly connected to a bracket of the knocking roller 21; the second magnet 51 is arranged on one side, far away from the filter screen 11, of the bracket of the knocking roller 21; through be equipped with first magnet 5 and the second magnet 51 of filter screen 11 lateral wall and mutually support on strikeing the piece 25, can strike when the piece 25 is close to second magnet 51 when strikeing roller 21 rotation, first magnet 5 and second magnet 51 mutual exclusion, will be close to the first magnet 5 extrusion together of second magnet 51, then behind first magnet 5 through second magnet 51, a plurality of first magnet 5 can be because of being extruded together with the mutual exclusion of second magnet 51, when first magnet 5 is extruded together, the striking that produces can make strikeing roller 21 vibrations, then can be conducted vibrations on the filter screen 11, make impurity and the incrustation scale of both sides all shaken on the filter screen 11 and scatter, when increasing the back flush, the utilization ratio of water resource, can be in the same water yield, take away more incrustations.
The side wall of the knocking block 25 is fixedly connected with a rubber head 6; through the lateral wall that strikes piece 25 be equipped with rubber head 6, can make and strike piece 25 at the in-process that strikes filter screen 11, reduce the lateral wall that strikes piece 25 and filter screen 11 direct impact, strike piece 25 in the positive and can normally strike filter screen 11, when making filter screen 11 produce vibrations, and reducible filter screen 11 is by harder strike piece 25 direct impact and lead to damaging too much problem, increase filter screen 11's life.
A plurality of groups of flexible pressing sheets 7 are fixedly connected to the side wall of the knocking roller 21; each group of the flexible pressing sheets 7 is arranged at two sides of the elastic supporting rod 24; an elastic sheet 71 is fixedly connected between the flexible pressing sheet 7 and the knocking roller 21; through being equipped with flexible pressing sheet 7 at the lateral wall of elastic support rod 24, can stretch out and retract when elastic support rod 24 is followed knock roller 21 inside, flexible pressing sheet 7 can be with the incrustation scale sweeping of adhesion on the elastic support rod 24 lateral wall, when reducing elastic support rod 24 and retracting, the incrustation scale is brought into the inside volume of oval cavity 22, makes elastic support rod 24 still can normally stretch out the withdrawal after long-time use, increases the stability of elastic support rod 24 when using.
A plurality of groups of slag removing thorns 8 are fixedly connected on the side wall of the flexible pressing sheet 7; the slag removing thorn 8 is arranged on one side of the flexible pressing sheet 7 close to the elastic supporting rod 24; increase through the lateral wall at flexible pressing piece 7 and have the contact of multiunit scarfing cinder thorn 8 and elastic support pole 24, can take place when rubbing between elastic support pole 24 and flexible pressing piece 7, the incrustation scale that scarfing cinder thorn 8 can be difficult to erase on the elastic support pole 24 is scraped, further promotes the clean and tidy degree on the elastic support pole 24.
The end part of the flexible pressing sheet 7 is provided with a flexible magnet 9; the flexible magnet 9 is fixedly connected with the flexible pressing sheet 7; through the tip at flexible pressing sheet 7 be equipped with multiunit flexible magnet 9 and adsorb each other, multiplicable flexible pressing sheet 7 makes elastic support rod 24 when removing to elastic support rod 24's pressing force degree increase simultaneously, promotes the clear effect of sediment thorn 8 to elastic support rod 24, reduces the residual volume of incrustation scale on the elastic support rod 24.
Example two
Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, an elastic dust cloth 91 is disposed on a side wall of the elastic support rod 24; the elastic dustproof cloth 91 is fixedly connected with the elastic supporting rod 24; the other end of the elastic dustproof cloth 91 is fixedly connected to the side wall of the knocking roller 21; through being equipped with elasticity dustproof cloth 91 in oval cavity 22's port department, can avoid knocking outside incrustation scale of roller 21 and entering into oval cavity 22 from oval cavity 22 port department inside, and the problem of the oval cavity 22 of jam that leads to can make the elastic support pole 24 when knocking roller 21 rotatory, can be normal stretch out and draw back.
The working principle is as follows: when the water purifier is used, the first electromagnetic valve 13 and the second electromagnetic valve 15 are opened to be in a unblocked state, the third electromagnetic valve 17 and the fourth electromagnetic valve 19 are closed to enable the fourth water pipe 18 and the third water pipe 16 to be in a water-flowing-incapable state, the first water pipe 12 is connected to the water inlet pipe, water resources to be purified enter the water purifying tank 1 through the first water pipe 12, at the moment, water enters the water purifying tank 1 through the first water pipe 12 and is then discharged from the second water pipe 14 through the filtering of the filter screen 11, when more scales are accumulated on the filter screen 11, the water pressure inside the water purifying tank 1 at two sides of the filter screen 11 has a larger difference, at the moment, the water pressure detector 111 senses the water pressure at two sides of the filter screen 11, when the pressure difference is too large, the third electromagnetic valve 17 and the fourth electromagnetic valve 19 are controlled to be opened to enable the third water pipe 16 and the fourth water pipe 18 to be in an unblocked state, then the first electromagnetic valve 13 and the second electromagnetic valve 15 are closed to make the bottom of the first water pipe 12 and the second water pipe 14 in a closed state, at this time, water will enter the water purifying tank 1 from the third water pipe 16 through the water, then the filter screen 11 is impacted to flush the scale on the side of the filter screen 11 close to the first water pipe 12, then the water will be discharged from the fourth water pipe 18 along with the water flow, further the scale on the filter screen 11 is reduced, the water permeability of the filter screen 11 is restored, the filter screen 11 can filter the water normally, when the water pressure difference between the two sides of the filter screen 11 is not large, the water pressure detector 111 will control the third electromagnetic valve 17 and the fourth electromagnetic valve 19 to be in a closed state, the first electromagnetic valve 13 and the second electromagnetic valve 15 are opened, the water to be filtered continues to enter from the first water pipe 12, then is discharged from the second water pipe 14 to the position where the water needs to be used, and this arrangement can make the whole device need, the filter screen 11 is washed only by transferring and conveying water from the original water inlet, so that the steps of washing the filter screen 11 by additional washing equipment are reduced, the equipment use number of the whole device is reduced, and the use cost is reduced; when the third electromagnetic valve 17 opens the channel of the third water pipe 16, water at the end of the third water pipe 16 flows out, the water wheel 2 is driven to rotate, meanwhile, the water wheel 2 drives the knocking roller 21 to rotate through a belt, then, in the rotating process of the knocking roller 21, the elastic supporting rod 24 and the knocking block 25 are swung, the knocking block 25 pulls the elastic pull rope 23 under the action of centrifugal force, a longer distance extends out of the knocking roller 21, then, in the rotating process of the knocking roller 21, the knocking block 25 continuously knocks the side wall of the filter screen 11 to knock off scale accumulated on the side wall of the filter screen 11, so that the scale on the filter screen 11 can be more easily washed away when the third water pipe 16 is backwashed, and the backwashing speed can be increased; the guide plate 3 is arranged on the side wall of the knocking block 25, and the drainage groove 31 is formed in the knocking block 25, so that when the knocking block 25 moves in water in the water purification tank 1, the knocking block 25 is pulled out from the knocking roller 21 for a longer distance, the impact force on the filter screen 11 is larger when the knocking block 25 rotates in the water purification tank 1, the vibration effect of the filter screen 11 during backwashing is increased, the speed of scale falling off from the side wall of the filter screen 11 during backwashing is further increased, and the water permeability of the filter screen 11 is increased; the fan blades 4 are arranged on the side wall of the knocking block 25, so that the knocking block 25 can move in the water purification tank 1, the fan blades 4 can rotate due to the flow of water, slight vibration can be generated in the rotating process of the fan blades 4, the knocking block 25 can knock the filter screen 11 along with the slight vibration when moving in the water purification tank 1, and the slight vibration is transmitted to the filter screen 11 when the knocking block 25 is in contact with the filter screen 11 and moves on the filter screen 11, so that scale inside a water permeable hole of the filter screen 11 can be shaken and dispersed, and then is blown off by backwashing, and the integral water permeability of the filter screen 11 after being subjected to backwashing is further improved; through the mutual matching of the first magnet 5 and the second magnet 51 on the side wall of the filter screen 11, when the knocking block 25 approaches to the second magnet 51 when the knocking roller 21 rotates, the first magnet 5 and the second magnet 51 are mutually exclusive, the first magnet 5 adjacent to the second magnet 51 is extruded together, then after the first magnet 5 passes through the second magnet 51, a plurality of first magnets 5 can be extruded together, when the first magnets 5 are extruded together, the knocking roller 21 can vibrate due to the generated impact, and then the vibration is transmitted to the filter screen 11, so that impurities and scales on two sides of the filter screen 11 are all vibrated and dispersed, the utilization rate of water resources is increased during backwashing, and more scales can be taken away while the same water quantity is obtained; the rubber head 6 is arranged on the side wall of the knocking block 25, so that the direct impact between the side wall of the knocking block 25 and the filter screen 11 can be reduced in the process that the knocking block 25 impacts the filter screen 11, the filter screen 11 can be normally knocked by the correct knocking block 25, the problem that the filter screen 11 is damaged too much due to the direct impact of the harder knocking block 25 can be reduced while the filter screen 11 generates vibration, and the service life of the filter screen 11 is prolonged; by arranging the flexible pressing sheet 7 on the side wall of the elastic supporting rod 24, when the elastic supporting rod 24 extends out of and retracts back from the knocking roller 21, the flexible pressing sheet 7 can sweep away scale adhered to the side wall of the elastic supporting rod 24, so that the amount of the scale brought into the oval cavity 22 when the elastic supporting rod 24 retracts back is reduced, the elastic supporting rod 24 can normally extend out and retract after being used for a long time, and the stability of the elastic supporting rod 24 in use is improved; the side wall of the flexible pressing piece 7 is additionally provided with a plurality of groups of slag removing burrs 8 which are in contact with the elastic supporting rod 24, so that when friction occurs between the elastic supporting rod 24 and the flexible pressing piece 7, the slag removing burrs 8 can scrape off scale which is difficult to erase on the elastic supporting rod 24, and the neatness degree of the elastic supporting rod 24 is further improved; the end parts of the flexible pressing sheets 7 are provided with a plurality of groups of flexible magnets 9 which are mutually adsorbed, so that the pressing force of the flexible pressing sheets 7 on the elastic supporting rod 24 can be increased, when the elastic supporting rod 24 moves, the pressing force of the slag removing burrs 8 on the elastic supporting rod 24 is increased at the same time, the cleaning effect of the slag removing burrs 8 on the elastic supporting rod 24 is improved, and the residual amount of water scale on the elastic supporting rod 24 is reduced; through being equipped with elasticity dustproof cloth 91 in oval cavity 22's port department, can avoid knocking outside incrustation scale of roller 21 and entering into oval cavity 22 from oval cavity 22 port department inside, and the problem of the oval cavity 22 of jam that leads to can make the elastic support pole 24 when knocking roller 21 rotatory, can be normal stretch out and draw back.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The unpowered backwashing ultrafiltration water purification equipment is characterized in that: comprises a purified water tank (1); a filter screen (11) is fixedly connected inside the water purification tank (1); a water pressure detector (111) is arranged in the middle of the filter screen (11); the two ends of the water pressure detector (111) are positioned at the two sides of the filter screen (11); one side of the water purification tank (1) is communicated with a first water pipe (12); a first electromagnetic valve (13) is arranged in the middle of the first water pipe (12); the other side of the water purification tank (1) is communicated with a second water pipe (14); a second electromagnetic valve (15) is arranged in the middle of the second water pipe (14); a third water pipe (16) is communicated between the first water pipe (12) and the water purification tank (1); one end of the third water pipe (16) is connected to the first water pipe (12) at a position positioned at the top of the first electromagnetic valve (13), and the other end of the third water pipe is connected to one side, far away from the first water pipe (12), of the water purification tank (1); a third electromagnetic valve (17) is arranged in the middle of the third water pipe (16); a fourth water pipe (18) is communicated with the side wall of the water purification tank (1) close to the first water pipe (12); and a fourth electromagnetic valve (19) is arranged in the middle of the fourth water pipe (18).
2. The unpowered backwashing ultrafiltration water purification device according to claim 1, wherein: a water wheel (2) is rotatably connected to one end of the third water pipe (16) positioned in the purified water tank (1); a belt is connected between the water wheel (2) and the rotating shaft of the knocking roller (21); the side wall of the filter screen (11) close to the water wheel (2) is rotatably connected with a knocking roller (21) through a bracket; a plurality of groups of oval cavities (22) are formed in the knocking roller (21); an elastic pull rope (23) is fixedly connected inside the oval cavity (22); an elastic support rod (24) is fixedly connected to the side wall of the elastic pull rope (23); the elastic supporting rod (24) extends out of the knocking roller (21); the end part of the elastic supporting rod (24) is fixedly connected with a knocking block (25).
3. The unpowered backwashing ultrafiltration water purification device according to claim 2, wherein: a guide plate (3) is fixedly connected to one side of the knocking block (25) far away from the elastic support rod (24); a drainage groove (31) is formed in the knocking block (25); and a channel between the guide plate (3) and the knocking block (25) is arranged in a large-end manner and a small-end manner.
4. The unpowered backwashing ultrafiltration water purification device of claim 3, wherein: the fan blades (4) are arranged on the side wall of the knocking block (25); the fan blades (4) are rotatably connected with the knocking block (25) through a support.
5. The unpowered backwashing ultrafiltration water purification device according to claim 4, wherein: a first magnet (5) is fixedly connected to the side wall of the knocking block (25); the first magnet (5) is arranged at the joint of the knocking block (25) and the elastic supporting rod (24); a second magnet (51) is fixedly connected to a bracket of the knocking roller (21); the second magnet (51) is arranged on one side, far away from the filter screen (11), of the bracket of the knocking roller (21).
6. The unpowered backwashing ultrafiltration water purification device of claim 5, wherein: the side wall of the knocking block (25) is fixedly connected with a rubber head (6).
7. The unpowered backwashing ultrafiltration water purification device of claim 6, wherein: a plurality of groups of flexible pressing sheets (7) are fixedly connected to the side wall of the knocking roller (21); each group of the flexible pressing sheets (7) is arranged at two sides of the elastic supporting rod (24); an elastic sheet (71) is fixedly connected between the flexible pressing sheet (7) and the knocking roller (21).
8. The unpowered backwashing ultrafiltration water purification device of claim 7, wherein: a plurality of groups of slag removing thorns (8) are fixedly connected on the side wall of the flexible pressing sheet (7); the slag removing thorn (8) is arranged on one side of the flexible pressing sheet (7) close to the elastic supporting rod (24); the slag removing thorn (8) is Y-shaped; one end of the slag removing thorn (8) is in contact with the elastic support rod (24).
9. The unpowered backwashing ultrafiltration water purification device of claim 8, wherein: the end part of the flexible pressing sheet (7) is provided with a flexible magnet (9); the flexible magnet (9) is fixedly connected with the flexible pressing sheet (7).
10. The unpowered backwashing ultrafiltration water purification unit of claim 9, wherein: the side wall of the elastic support rod (24) is provided with elastic dustproof cloth (91); the elastic dustproof cloth (91) is fixedly connected with the elastic supporting rod (24); the other end of the elastic dustproof cloth (91) is fixedly connected to the side wall of the knocking roller (21).
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| CN202111051981.9A CN113750597A (en) | 2021-09-08 | 2021-09-08 | Unpowered back-washing ultrafiltration water purification equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111051981.9A CN113750597A (en) | 2021-09-08 | 2021-09-08 | Unpowered back-washing ultrafiltration water purification equipment |
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| CN113750597A true CN113750597A (en) | 2021-12-07 |
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| CN202111051981.9A Pending CN113750597A (en) | 2021-09-08 | 2021-09-08 | Unpowered back-washing ultrafiltration water purification equipment |
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Application publication date: 20211207 |