阅读说明：本技术 Pvc中空纤维超滤膜滤芯 (PVC hollow fiber ultrafiltration membrane filter element ) 是由 王康 李芳� 杨应明 于 2021-09-26 设计创作，主要内容包括：本发明涉及滤芯技术领域,公开了PVC中空纤维超滤膜滤芯,包括输入端和安装在输入端上端的过滤机构,以及设置在过滤机构上端的输出端,出水管设置在通道的内部,内筒体的内腔中设置有活性炭层A和设置在活性炭层A下端的活性炭B,从两侧排入的过滤水通过超滤膜丝组B进行过滤,并进入超滤膜丝组B的内部,从进水管进入的过滤水直接保存在超滤膜丝组B的内部,完成初步过滤,随后过滤水进入内筒体的内部,水贯穿连接件,并沿着其斜边流至内筒体的两侧,通过超滤膜丝组A进行二次过滤,再通过超滤膜丝组A的内腔进入内筒体的内部,通过活性炭层A和活性炭B的过滤进行三次过滤,最后通过通道排出,水流通的长度较长,过滤效果好。(The invention relates to the technical field of filter elements, and discloses a PVC hollow fiber ultrafiltration membrane filter element which comprises an input end, a filtering mechanism arranged at the upper end of the input end, and an output end arranged at the upper end of the filtering mechanism, wherein a water outlet pipe is arranged in a channel, an activated carbon layer A and an activated carbon B arranged at the lower end of the activated carbon layer A are arranged in an inner cavity of an inner cylinder body, filtered water discharged from two sides is filtered through an ultrafiltration membrane wire group B and enters the inner part of the ultrafiltration membrane wire group B, the filtered water entering from a water inlet pipe is directly stored in the inner part of the ultrafiltration membrane wire group B to complete primary filtering, then the filtered water enters the inner cylinder body, water penetrates through a connecting piece and flows to two sides of the inner cylinder body along the bevel edge of the connecting piece, secondary filtering is carried out through the ultrafiltration membrane wire group A, the filtered water enters the inner part of the inner cylinder body through the inner cavity of the ultrafiltration membrane wire group A, and tertiary filtering is carried out through the filtering of the activated carbon layer A and the activated carbon B, finally, the water is discharged through the channel, the water circulation length is long, and the filtering effect is good.)

PVC hollow fiber ultrafiltration membrane filter core, include input (1) and install filtering mechanism (2) in input (1) upper end to and set up output (4) in filtering mechanism (2) upper end, its characterized in that: the outer surface of the filtering mechanism (2) is movably provided with an adjusting mechanism (3), an inner cavity of the filtering mechanism (2) is internally provided with a built-in filtering component (5) and a depth filtering component (6), and the depth filtering component (6) is arranged at the upper end of the built-in filtering component (5);

the filtering mechanism (2) comprises an outer shell (21) and a plurality of filtering hoods A (22) which are embedded in the outer shell (21) at equal intervals, an ultrafiltration membrane sleeve (23) is arranged on the inner wall of the outer shell (21), a cavity (24) is arranged between each filtering hood A (22) and each ultrafiltration membrane sleeve (23), an outer sleeve piece (25) is fixedly installed at the upper end of the outer shell (21), and a movable groove (26) is formed in the lower end of each outer sleeve piece (25);

the adjusting mechanism (3) comprises a scraping plate (31) movably mounted on the outer surface of the outer shell (21) and a plurality of filter covers B (32) embedded on the scraping plate (31) at equal intervals, the density of the filter covers B (32) is smaller than that of the filter covers A (22) and is consistent with that of the filter covers A (22), a handle (33) is fixedly mounted on the outer surface of the scraping plate (31), sliding blocks (34) are mounted at the upper end and the lower end of the scraping plate (31), and the sliding blocks (34) at the upper end of the scraping plate (31) are matched with the movable groove (26);

the output end (4) comprises an upper shell (41) in threaded connection with the outer surface of the upper end of the outer sleeve piece (25) and a connecting seat (42) fixedly installed at the upper end of the upper shell (41), a water outlet (43) is fixedly installed on the upper surface of the connecting seat (42), an ultrafiltration membrane wire group A (44) is fixedly installed inside the upper shell (41), the ultrafiltration membrane wire group A (44) is of an annular structure and is fixedly installed at the upper end of the ultrafiltration membrane sleeve (23);

the built-in filtering component (5) comprises an ultrafiltration membrane wire group B (51) arranged in the outer shell (21) and a connecting piece (52) fixedly arranged at the upper end of the ultrafiltration membrane wire group B (51), the lower end of the connecting piece (52) is movably provided with a sleeve (53), the sleeve (53) is movably connected with the water inlet pipe (13) in a penetrating way, the outer surface of the sleeve (53) is fixedly provided with a rotating sheet (54), the upper end of the connecting piece (52) is provided with a groove (55), and the outer surface of the sleeve (53) is provided with a one-way through hole (56);

the depth filtering component (6) comprises an inner pipe (61) arranged at the upper end of the groove (55) and an inner cylinder structure (62) fixedly arranged at the upper end of the inner pipe (61), and the upper end of the inner cylinder structure (62) is provided with a water outlet pipe (63) fixedly connected with the water outlet (43) in a penetrating way;

the inner tube structure (62) includes barrel (621) and sets up passageway (622) inside barrel (621) in including, the surface of interior barrel (621) is provided with sprays subassembly (64), outlet pipe (63) set up in the inside of passageway (622), be provided with activated carbon layer A (623) and set up in the inner chamber of interior barrel (621) activated carbon layer B (624) of activated carbon layer A (623) lower extreme, the lower extreme of passageway (622) extends to the inside of activated carbon B (624), and the one end fixed mounting that is close to activated carbon B (624) has screen cloth (625).

2. The PVC hollow fiber ultrafiltration membrane cartridge of claim 1, wherein: input (1) includes casing (11) and base (12) that set up casing (11) lower extreme down, and the inner chamber of base (12) runs through and installs inlet tube (13), and the fixed surface of base (12) installs external screw thread (14), and internal wall threaded connection of external screw thread (14) and casing (11) down has seted up spout (15) with slider (34) assorted down on the upper surface of casing (11).

3. The PVC hollow fiber ultrafiltration membrane cartridge of claim 1, wherein: a discharge hole (45) is formed in one side of the upper shell (41), and a cleaning hole (46) is formed in one side, far away from the discharge hole (45), of the upper shell (41).

4. The PVC hollow fiber ultrafiltration membrane cartridge of claim 1, wherein: the density of activated carbon layer a (623) is greater than the density of activated carbon B (624).

5. The PVC hollow fiber ultrafiltration membrane cartridge of claim 1, wherein: the spraying assembly (64) comprises a through pipe (641) which is connected with the inner cylinder body (621) in a penetrating way and an atomizing disc (642) which is fixedly arranged at the outer end of the through pipe (641), and a spraying head (643) is fixedly arranged at the upper end of the outer surface of the atomizing disc (642).

6. The PVC hollow fiber ultrafiltration membrane cartridge of claim 5, wherein: two groups of spraying assemblies (64) are arranged, the two groups of spraying assemblies (64) are arranged on two sides of the inner cylinder body (621), and the two groups of spraying heads (643) are installed in an upward inclined mode.

Technical Field

The invention relates to the technical field of filter elements, in particular to a PVC hollow fiber ultrafiltration membrane filter element.

Background

The filter element is a professional term of filtering and purifying functions, and in order to purify the resources of the original fluid and a simple and convenient device for separating the resources, the filter element is mainly used in the filtering industries of oil filtration, air filtration, water filtration and the like at present, and the ultrafiltration membrane is used for artificial membrane penetration in the ultrafiltration process. Generally made of polymeric materials such as: cellulose acetate, cellulose acetate esters, polyethylene, polysulfone, and polyamide. Membrane modules of various types such as tubular type, plate type, roll type, capillary type and the like are generally manufactured in advance, and then a plurality of modules are assembled together for application so as to increase the filtration area and facilitate maintenance.

Patent document CN202011025416.0 discloses an ultrafiltration membrane filter element structure, comprising: the mounting base body is provided with an accommodating cavity, a water inlet and a water outlet which are respectively communicated with the accommodating cavity, and a first protruding part protruding downwards is formed on the edge of the top wall of the accommodating cavity; the ultrafiltration membrane filter element is arranged in the accommodating cavity, and comprises a shell which is arranged on the bottom of the accommodating cavity and is abutted against the first protruding part, and a membrane wire connected in the shell; the ultrafiltration membrane filter element and be formed with between the roof in holding chamber with the play water cavity of delivery port intercommunication, the passageway of this patent normal water is only a set of, and its length of transportation is limited, and the filter effect is poor, and its inside rivers passageway is single, and inner space is less, the unable endless filters it.

Aiming at the problems, the prior device is improved, and the PVC hollow fiber ultrafiltration membrane filter core is provided.

Disclosure of Invention

The invention aims to provide a PVC hollow fiber ultrafiltration membrane filter element, wherein the upper end of an inner cylinder structure is provided with a water outlet pipe fixedly connected with a water outlet in a penetrating way, the inner cylinder structure comprises an inner cylinder body and a channel arranged in the inner cylinder body, the outer surface of the inner cylinder body is provided with a spraying component, the water outlet pipe is arranged in the channel, an activated carbon layer A and an activated carbon B arranged at the lower end of the activated carbon layer A are arranged in the inner cavity of the inner cylinder body, the lower end of the channel extends to the inside of the activated carbon B, one end close to the activated carbon B is fixedly provided with a screen, the density of the activated carbon layer A is higher than that of the activated carbon B, filtered water discharged from two sides is filtered by an ultrafiltration membrane wire group B and enters the inside of the ultrafiltration membrane wire group B, the filtered water entering from a water inlet pipe is directly stored in the ultrafiltration membrane wire group B to complete primary filtering, and then enters the inside of the inner cylinder body, water through connection spare to along its hypotenuse flow to the both sides of interior barrel, carry out the secondary filter through milipore filter silk group A, the inside of barrel in the inner chamber entering of rethread milipore filter silk group A carries out the cubic through activated carbon layer A and activated carbon B's filtration, discharges through the passageway at last, the length of hydrologic cycle is longer, and the problem among the background art has been solved to the filter effect.

In order to achieve the purpose, the invention provides the following technical scheme: the PVC hollow fiber ultrafiltration membrane filter element comprises an input end, a filtering mechanism and an output end, wherein the filtering mechanism is installed at the upper end of the input end, the output end is arranged at the upper end of the filtering mechanism, the outer surface of the filtering mechanism is movably provided with an adjusting mechanism, a built-in filtering component and a depth filtering component are arranged in the inner cavity of the filtering mechanism, and the depth filtering component is arranged at the upper end of the built-in filtering component;

the filtering mechanism comprises an outer shell and a plurality of filtering hoods A which are embedded on the outer shell at equal intervals, an ultrafiltration membrane sleeve is arranged on the inner wall of the outer shell, a cavity is arranged between the filtering hoods A and the ultrafiltration membrane sleeve, an outer sleeve is fixedly installed at the upper end of the outer shell, and a movable groove is formed in the lower end of the outer sleeve;

the adjusting mechanism comprises a scraper movably mounted on the outer surface of the outer shell and a plurality of filter covers B inlaid on the scraper at equal intervals, the density of the filter covers B is smaller than that of the filter covers A and is consistent with that of the filter covers A in arrangement, a handle is fixedly mounted on the outer surface of the scraper, sliders are mounted at the upper end and the lower end of the scraper, and the sliders at the upper end of the scraper are matched with the movable grooves.

Further, the input includes casing and the base of setting casing lower extreme under, and the inner chamber of base runs through installs the inlet tube, and the fixed surface of base installs the external screw thread, the inner wall threaded connection of external screw thread and casing down, the upper surface of casing down seted up with slider assorted spout.

Further, the output includes threaded connection and overlaps the last casing of piece upper end surface and the connecting seat of fixed mounting in last casing upper end, and the last fixed surface of connecting seat installs the delivery port, and the inside fixed mounting who goes up the casing has ultrafiltration membrane thread group A, and ultrafiltration membrane thread group A is the loop configuration, and fixed mounting is in the telescopic upper end of milipore filter.

Furthermore, one side of the upper shell is provided with a discharge hole, and one side of the upper shell, which is far away from the discharge hole, is provided with a cleaning hole.

Further, built-in filtering component has the sleeve pipe including setting up at the inside milipore filter silk group B of shell body and fixed mounting at the connecting piece of milipore filter silk group B upper end, the lower extreme movable mounting of connecting piece, sleeve pipe and inlet tube activity through connection, sheathed tube fixed surface installs the revolving fragment, and the upper end of connecting piece is seted up flutedly, and one-way opening has been seted up to sheathed tube surface.

Further, the depth filtering component comprises an inner pipe arranged at the upper end of the groove and an inner cylinder structure fixedly arranged at the upper end of the inner pipe, and a water outlet pipe fixedly connected with the water outlet is arranged at the upper end of the inner cylinder structure in a penetrating mode.

Further, the inner tube structure includes interior barrel and sets up the inside passageway of barrel in, and the surface of interior barrel is provided with the injection subassembly, and the outlet pipe setting is provided with activated carbon layer A and sets up the activated carbon B at activated carbon layer A lower extreme in the inside of passageway, the lower extreme of passageway extends to activated carbon B's inside, and the one end fixed mounting that is close to activated carbon B has the screen cloth in the inner chamber of interior barrel.

Further, the density of the activated carbon layer a is greater than that of the activated carbon layer B.

Further, the spraying assembly comprises a through pipe and an atomizing disc, the through pipe is in through connection with the inner cylinder, the atomizing disc is fixedly installed at the outer end of the through pipe, and a spraying head is fixedly installed at the upper end of the outer surface of the atomizing disc.

Further, the injection assembly is provided with two sets, and two sets of injection assembly set up the both sides of barrel including, and two sets of injector head angles are ascending slope installation.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention provides a PVC hollow fiber ultrafiltration membrane filter element, wherein filter covers A are embedded on two sides of an outer shell at equal intervals, an ultrafiltration membrane sleeve is arranged on the inner wall of the outer shell, a cavity is arranged between the filter covers A and the ultrafiltration membrane sleeve, impurities are blocked by the ultrafiltration membrane sleeve when water enters the filter element and are stored in the cavity, the cavity is communicated with a discharge port, when the discharge port is opened, the impurities can be discharged through the discharge port, an outer sleeve is fixedly installed at the upper end of the outer shell, a movable groove is formed in the lower end of the outer sleeve, a scraper is movably installed on the outer surface of the outer shell, filter covers B are embedded on two sides of the scraper at equal intervals, the density of the filter covers B is smaller than that of the filter covers A and is consistent with that of the filter covers A in arrangement, a handle is fixedly installed on the outer surface of the scraper, sliders are installed at the upper end and the lower end of the scraper, the sliders at the upper end of the scraper are matched with the movable groove, an operator holds the handle, the sliders at the upper end and the sliders at the lower end of the scraper slide along the movable groove and the chute respectively, make it remove along the surface of shell body, when filter mantle A and filter mantle B coincidence, the surface of water accessible shell body flows to the shell body is inside, meet but do not coincide when filter mantle A and filter mantle B, the flow velocity of side water can diminish, when shell body and filter mantle B coincidence, filter mantle A and scraper blade coincidence, can plug up the entry of filter mantle A and filter mantle B, the circulation of water can only pass through inlet tube department, be convenient for adjust the flow velocity of intaking position and water, the operation is simple, excellent in use effect.

2. The invention provides a PVC hollow fiber ultrafiltration membrane filter element, wherein the upper end of an inner cylinder structure is provided with a water outlet pipe fixedly connected with a water outlet in a penetrating way, the outer surface of the inner cylinder body is provided with a spraying component, the water outlet pipe is arranged inside a channel, an active carbon layer A and an active carbon B arranged at the lower end of the active carbon layer A are arranged in the inner cavity of the inner cylinder body, the lower end of the channel extends to the inside of the active carbon B, one end close to the active carbon B is fixedly provided with a screen, the density of the active carbon layer A is higher than that of the active carbon B, filtered water discharged from two sides is filtered by an ultrafiltration membrane wire group B and enters the inside of the ultrafiltration membrane wire group B, the filtered water entering from a water inlet pipe is directly stored inside the ultrafiltration membrane wire group B to complete primary filtering, then enters the inside of the inner cylinder body, water penetrates through a connecting piece and flows to the two sides of the inner cylinder body along the bevel edge, carry out the secondary filter through milipore filter silk group A, the inside of barrel in the inner chamber entering of rethread milipore filter silk group A carries out the cubic through activated carbon layer A and activated carbon B's filtration and filters, discharges through the passageway at last, and the length of hydrologic flow is longer, and the passageway is longer, the circulating filtration of the water of being convenient for, and the filter effect is good.

3. According to the PVC hollow fiber ultrafiltration membrane filter element provided by the invention, the inner cylinder body is connected with the through pipe in a penetrating manner, the atomizing disc is fixedly arranged at the outer end of the through pipe, the spraying head is fixedly arranged at the upper end of the outer surface of the atomizing disc, cleaning water entering the inner cylinder body enters the atomizing disc through the through pipe, the spraying head sprays the atomized cleaning water outwards, the cleaning range is wide, the two groups of spraying assemblies are arranged at the two sides of the inner cylinder body, the two groups of spraying heads are obliquely arranged in an upward angle, the air inlet and the filtration of the upper end are facilitated, the water naturally flows downwards, and the cleaning effect is good.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a partial exploded view of the present invention;

FIG. 4 is a schematic view of the construction of the internal filter assembly of the present invention;

FIG. 5 is a water flow state diagram of the present invention;

FIG. 6 is a top view of the filter mechanism of the present invention;

FIG. 7 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;

fig. 8 is an enlarged view of the invention at B in fig. 3.

In the figure: 1. an input end; 11. a lower housing; 12. a base; 13. a water inlet pipe; 14. an external thread; 15. a chute; 2. a filtering mechanism; 21. an outer housing; 22. a filter mantle A; 23. an ultrafiltration membrane sleeve; 24. a cavity; 25. an outer sleeve member; 26. a movable groove; 3. an adjustment mechanism; 31. a squeegee; 32. a filter mantle B; 33. a handle; 34. a slider; 4. an output end; 41. an upper housing; 42. a connecting seat; 43. a water outlet; 44. ultrafiltration membrane thread group A; 45. a discharge port; 46. cleaning the opening; 5. a filter component is arranged inside; 51. ultrafiltration membrane thread group B; 52. a connecting member; 53. a sleeve; 54. a rotating sheet; 55. a groove; 56. a one-way port; 6. a depth filtration assembly; 61. an inner tube; 62. an inner barrel structure; 621. an inner cylinder; 622. a channel; 623. an activated carbon layer A; 624. activated carbon B; 625. screening a screen; 63. a water outlet pipe; 64. a spray assembly; 641. a through pipe; 642. an atomizing disk; 643. an ejection head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, the PVC hollow fiber ultrafiltration membrane filter element comprises an input end 1, a filter mechanism 2 installed on the upper end of the input end 1, and an output end 4 installed on the upper end of the filter mechanism 2, wherein an adjusting mechanism 3 is movably installed on the outer surface of the filter mechanism 2, a built-in filter assembly 5 and a depth filter assembly 6 are arranged in the inner cavity of the filter mechanism 2, and the depth filter assembly 6 is arranged on the upper end of the built-in filter assembly 5.

Referring to fig. 5, 6 and 7, the filtering mechanism 2 includes an outer casing 21 and a plurality of filtering hoods a22 equidistantly embedded on the outer casing 21, an ultrafiltration membrane sleeve 23 is disposed on an inner wall of the outer casing 21, a cavity 24 is disposed between the filtering hoods a22 and the ultrafiltration membrane sleeve 23, when water is fed, impurities are blocked by the ultrafiltration membrane sleeve 23 and stored in the cavity 24, the cavity 24 is communicated with a discharge port 45, when the discharge port 45 is opened, the water can be discharged through the discharge port 45, an outer sleeve 25 is fixedly mounted at an upper end of the outer casing 21, a movable groove 26 is disposed at a lower end of the outer sleeve 25, the adjusting mechanism 3 includes a scraper 31 movably mounted on an outer surface of the outer casing 21 and a plurality of filtering hoods B32 equidistantly embedded on the scraper 31, the density of the filtering hoods B32 is less than that of the filtering hoods a22 and is consistent with the arrangement of the filtering hoods a22, a handle 33 is fixedly mounted on an outer surface of the scraper 31, sliders 34 are mounted at upper and lower ends of the scraper 31, the sliding blocks 34 at the upper end of the scraper 31 are matched with the movable groove 26, an operator holds the handle 33 by hand, the sliding blocks 34 at the upper end and the lower end of the scraper 31 respectively slide along the movable groove 26 and the sliding groove 15 to enable the sliding blocks to move along the outer surface of the outer shell 21, when the filter cover A22 is overlapped with the filter cover B32, water can flow towards the inner part of the outer shell 21 through the outer surface of the outer shell 21, when the filter cover A22 is connected with the filter cover B32 but is not overlapped, the flow speed of side water can be reduced, when the outer shell 21 is overlapped with the filter cover B32, the filter cover A22 is overlapped with the scraper 31, namely, the inlets of the filter cover A22 and the filter cover B32 can be blocked, the water can only flow through the water inlet pipe 13, the water inlet position and the flow speed of the water can be conveniently adjusted, the operation is simple, and the use effect is good.

Referring to fig. 2, fig. 3 and fig. 4, input 1 includes casing 11 and the base 12 that sets up at casing 11 lower extreme down, the inner chamber of base 12 runs through and installs inlet tube 13, the outer fixed surface of base 12 installs external screw thread 14, the internal wall threaded connection of external screw thread 14 and casing 11 down, casing 11's upper surface down seted up with slider 34 assorted spout 15, be convenient for lower casing 11 and base 12's installation, during the washing, dismantle its screw thread, be convenient for water from casing 11 emission down.

Referring to fig. 3 and 4, the output end 4 includes an upper housing 41 screwed to the outer surface of the upper end of the outer sleeve 25 and a connecting seat 42 fixedly installed at the upper end of the upper housing 41, a water outlet 43 is fixedly installed on the upper surface of the connecting seat 42, an ultrafiltration membrane wire set a44 is fixedly installed inside the upper housing 41, and the ultrafiltration membrane wire set a44 is in an annular structure and is fixedly installed at the upper end of the ultrafiltration membrane sleeve 23.

One side of going up casing 41 is provided with discharge gate 45, and the one side of going up casing 41 and keeping away from discharge gate 45 is provided with washing mouth 46, and during daily use, washing mouth 46 is the shutoff state, and during the washing, operating personnel blocks up discharge gate 45 to toward washing mouth 46 department water, the inside of water accessible last casing 41 to in the inner chamber of entering interior barrel 621 and milipore filter silk group B51, the circulation of the water of being convenient for.

Built-in filtering component 5 is including setting up the inside milipore filter silk group B51 of shell 21 and fixed mounting at the connecting piece 52 of milipore filter silk group B51 upper end, the lower extreme movable mounting of connecting piece 52 has sleeve pipe 53, sleeve pipe 53 and the movable through connection of inlet tube 13, sleeve pipe 53's external fixed surface installs revolving fragment 54, the flow of water can make revolving fragment 54 rotatory, be convenient for accelerate the circulation velocity of water, recess 55 is seted up to the upper end of connecting piece 52, one-way opening 56 has been seted up to sleeve pipe 53's surface, the washing water portion that gets into among milipore filter silk group B51 inner chamber discharges outwards through one-way opening 56, be convenient for wash the inner chamber of milipore filter silk group B51.

Referring to fig. 3 and 5, the depth filter assembly 6 includes an inner tube 61 disposed at the upper end of the groove 55 and an inner tube structure 62 fixedly disposed at the upper end of the inner tube 61, an outlet pipe 63 fixedly connected to the water outlet 43 is installed at the upper end of the inner tube structure 62, the inner tube structure 62 includes an inner tube 621 and a channel 622 opened inside the inner tube 621, a spraying assembly 64 is disposed on the outer surface of the inner tube 621, the outlet pipe 63 is disposed inside the channel 622, an activated carbon layer a623 and an activated carbon B624 disposed at the lower end of the activated carbon layer a623 are disposed in the inner cavity of the inner tube 621, the lower end of the channel 622 extends into the activated carbon B624, a screen 625 is fixedly disposed near one end of the activated carbon B624, the density of the activated carbon layer a623 is greater than that of the activated carbon B624, filtered water discharged from both sides is filtered by an ultrafiltration membrane wire group B51 and enters an ultrafiltration membrane wire group B51, the filtered water entering from the ultrafiltration water inlet pipe 13 is directly stored inside the ultrafiltration membrane wire group B51, accomplish preliminary filtration, the inside of barrel 621 in the later filtered water entering, water runs through connecting piece 52 to along its hypotenuse flow to the both sides of barrel 621 in, carry out secondary filter through ultrafiltration membrane silk group A44, the inside of barrel 621 in the inner chamber entering of rethread ultrafiltration membrane silk group A44, filter through activated carbon layer A623 and active carbon B624 and carry out the cubic and filter, discharge through passageway 622 at last, the length of hydrologic cycle is longer, the filter effect is good.

Referring to fig. 8, the spray assembly 64 includes a through pipe 641 penetrating the inner cylinder 621 and an atomizing disc 642 fixedly installed at an outer end of the through pipe 641, an upper end of an outer surface of the atomizing disc 642 is fixedly installed with a spray head 643, cleaning water entering the inner cylinder 621 enters the atomizing disc 642 through the through pipe 641, the spray head 643 sprays the atomized cleaning water outwards, a cleaning range is wide, two sets of the spray assemblies 64 are provided, the two sets of the spray assemblies 64 are provided at two sides of the inner cylinder 621, and the two sets of the spray heads 643 are installed in an upward inclined manner at an angle, so that air inlet and filtration at the upper end are facilitated, water naturally flows downwards, and a cleaning effect is good.

The working principle is as follows: an operator holds the handle 33 by hand, the sliding blocks 34 at the upper and lower ends of the scraper 31 respectively slide along the movable groove 26 and the sliding groove 15, so that the sliding blocks move along the outer surface of the outer shell 21, when the filter cover A22 and the filter cover B32 are overlapped, water can flow towards the inner part of the outer shell 21 through the outer surface of the outer shell 21, when the filter cover A22 and the filter cover B32 are connected but not overlapped, the flow speed of side water can be reduced, when the outer shell 21 and the filter cover B32 are overlapped, the filter cover A22 and the scraper 31 are overlapped, namely, the inlets of the filter cover A22 and the filter cover B32 can be blocked, the water can only flow through the water inlet pipe 13, filtered water discharged from the two sides is filtered through the ultrafiltration membrane wire group B51 and enters the inside of the ultrafiltration membrane wire group B51, the filtered water entering from the water inlet pipe 13 is directly stored inside the ultrafiltration membrane wire group B51, the primary filtering is completed, and then the filtered water enters the inside of the inner cylinder 621, and penetrates through the connecting piece 52, and flows to the two sides of the inner cylinder 621 along the inclined edge, and is subjected to secondary filtration through the ultrafiltration membrane wire group A44, enters the inner cylinder 621 through the inner cavity of the ultrafiltration membrane wire group A44, is subjected to tertiary filtration through the filtration of the activated carbon layer A623 and the activated carbon B624, and is finally discharged through the passage 622.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.