CN206560794U - Counter-infiltration filter core, reverse osmosis purified water system and anti-penetration water purifier - Google Patents

Abstract

The utility model discloses a kind of counter-infiltration filter core, reverse osmosis purified water system and anti-penetration water purifier, wherein, counter-infiltration filter core includes membrane component and shell, membrane component includes central tube group, multiple reverse osmosis membrane groups, the first end cap and the second end cap, and central tube group includes DI and multiple waste pipes；Multiple reverse osmosis membrane groups are set around central tube group；First end cap and the second end cap are covered on the two ends of multiple reverse osmosis membrane groups and central tube group respectively；First end is covered with pure water outlet；Second end cap is provided with waste water discharge opening；Shell includes bottle and lid, and membrane component is installed in shell, and lid is provided with pure water chamber, pure water chamber is connected with the sealing of pure water outlet, bottle is provided with raw water chamber and waste water chamber, and the space between raw water chamber and membrane component and bottle connects, and waste water chamber is connected with waste water discharge opening sealing.Technical solutions of the utility model can simplify the structure at the lid of the shell of counter-infiltration filter core.

Description

Counter-infiltration filter core, reverse osmosis purified water system and anti-penetration water purifier

Technical field

The utility model is related to reverse osmosis purified water technical field, more particularly to a kind of counter-infiltration filter core, reverse osmosis purified water system System and anti-penetration water purifier.

Background technology

Water purification is carried out using counter-infiltration filter core in anti-penetration water purifier, counter-infiltration filter core generally comprises shell and reverse osmosis membrane A kind of element, existing reverse-osmosis membrane element of effluent water inlet is separated raw water, pure water and waste water by waterway converter, So as to which the import and export of raw water, pure water and waste water are all concentrated on the lid of shell, at the lid for causing counter-infiltration filter case It is complicated.

Utility model content

Main purpose of the present utility model is to provide a kind of counter-infiltration filter core, it is intended to simplify the lid of counter-infiltration filter case The structure at place.

To achieve the above object, the utility model proposes counter-infiltration filter core, it includes：

Membrane component, the membrane component includes central tube group, multiple reverse osmosis membrane groups, the first end cap and the second end cap, The central tube group includes DI and around the spaced multiple waste pipes of the DI；Multiple reverse osmosis membrane groups Set around the central tube group；First end cap and second end cap are covered on the multiple reverse osmosis membrane group respectively With the two ends of the length direction of the central tube group, and it is tightly connected respectively with the multiple reverse osmosis membrane group；Described first End cap is provided with the pure water outlet being connected with the DI；Second end cap is useless provided with what is be connected with the waste pipe Water outlet；

Shell, the shell includes bottle and is covered on the lid of the bottle, and the membrane component is installed on the shell In；The lid is docked with first end cap, and the lid is provided with the pure water chamber that connect with outside water route, the pure water chamber with The pure water outlet sealing connection；The bottle is docked with second end cap, the bottle provided with respectively with outside water route The raw water chamber and waste water chamber of connection, the space between the raw water chamber and the membrane component and the bottle are connected, the waste water Chamber is connected with waste water discharge opening sealing.

Preferably, the one end of the DI away from the pure water outlet is blocked, to cause pure water towards described pure Water outlet flows；And/or the one end of the waste pipe away from the waste water discharge opening is blocked, to cause waste water described in Waste water discharge opening flows.

Preferably, the quantity of the waste pipe is N number of, and N is more than or equal to 3；The cross section of the DI is in N sides shape Set, and correspondingly there is N number of side surface, be equipped with each side surface and connect the pure water of the DI internal duct and enter Water hole；The position of one side surface of each waste pipe correspondence DI is set.

Preferably, the lid includes the cover rim that roof and the periphery from the roof extend to the bottle, the top The inner surface of wall is convexly equipped with first annular muscle, and the internal perisporium of the first annular muscle, which encloses, to be set to form the pure water chamber；Described first The surface of end cap towards the DI is convexly equipped with first for stretching in the DI and being connected with the DI and stretched into Pipe, first end cap is provided with towards the surface of the lid and stretches into the first connecting tube that pipe is connected with described first, and described the One connecting tube is stretched into the pure water chamber and sealed against with the first annular muscle, and first connecting tube is towards the lid The mouth of pipe constitute the pure water outlet.

Preferably, the bottom of the bottle is convexly equipped with the second annular muscle, and the internal perisporium of the described second annular muscle, which encloses, to be set to be formed The waste water chamber, and the second annular periphery wall of muscle encloses with the sidepiece of the bottle and sets to form raw water chamber；

The surface of second end cap towards the waste pipe is convexly equipped with multiple second and stretches into pipe, and each described second stretches Enter pipe to stretch into waste pipe described in one and connect with the waste pipe, the surface of bottom of second end cap towards the bottle Connect the second connecting tube of setting provided with pipe is stretched into multiple described second, second connecting tube stretch into the waste water chamber and with Described second annular muscle is sealed against, and second connecting tube constitutes the waste water discharge towards the mouth of pipe of the bottle body bottom Mouthful.

Preferably, each described reverse osmosis membrane group is respectively provided with Part I and position inside the central tube group Part II outside the central tube group, each waste pipe and the DI are by a reverse osmosis membrane group Part I separate；The Part II of multiple reverse osmosis membrane groups is centered around around the central tube group.

Preferably, each described reverse osmosis membrane group includes reverse osmosis membrane, water inlet flow-guiding screen and pure water flow-guiding screen；

The just inward-facing doubling of the reverse osmosis membrane of each reverse osmosis membrane group is set, multiple reverse osmosis membranes The Part II overlapping of group is simultaneously common along in the central tube group of the central tube group；The same counter-infiltration Water inlet flow channel is formed between the interlayer of diaphragm front；Production current are formed between the reverse side interlayer of the two neighboring reverse osmosis membrane Road；The water inlet flow-guiding screen and the waste pipe are located in water inlet flow channel, and the pure water flow-guiding screen is located in production water flow passage.

The utility model also proposes a kind of reverse osmosis purified water system, and the reverse osmosis purified water system includes inlet pipeline, pure water Pipeline, waste line and counter-infiltration filter core；The counter-infiltration filter core includes membrane component and shell, and the membrane component includes central tube Group, multiple reverse osmosis membrane groups, the first end cap and the second end cap, the central tube group include DI and around described pure The spaced multiple waste pipes of water pipe；Multiple reverse osmosis membrane groups are set around the central tube group；First end cap and Second end cap is covered on the two ends of the length direction of the multiple reverse osmosis membrane group and the central tube group respectively, and divides It is not tightly connected with the multiple reverse osmosis membrane group；The first end is covered with the pure water discharge being connected with the DI Mouthful；Second end cap is provided with the waste water discharge opening being connected with the waste pipe；The shell includes bottle and is covered on institute The lid of bottle is stated, the membrane component is installed in the shell；The lid is docked with first end cap, and the lid is set There is the pure water chamber connected with outside water route, the pure water chamber is connected with pure water outlet sealing；The bottle and described the Two end caps are docked, and the bottle is provided with the raw water chamber and waste water chamber connected respectively with outside water route, the raw water chamber and the film Space between element and the bottle is connected, and the waste water chamber is connected with waste water discharge opening sealing；The inlet pipeline Be connected with the raw water chamber of the bottle, the pure water pipeline is connected with the pure water chamber of the lid, the waste line and The waste water chamber of the bottle is connected.

Preferably, the inlet pipeline is sequentially provided with preposition composite filter element, water intaking valve and booster pump along water inlet direction；It is described Pure water pipeline is sequentially provided with rearmounted granulated carbon filter core, check valve and high-voltage switch gear along water outlet direction, and the waste line is provided with Wastewater valve；The reverse osmosis purified water system also includes discharging device, and the discharging device is with the pure water pipeline away from described anti- The mouth of pipe of infiltration filter core is connected.

The utility model also proposes a kind of anti-penetration water purifier, and the anti-penetration water purifier includes reverse osmosis purified water system, should Reverse osmosis purified water system includes inlet pipeline, pure water pipeline, waste line and counter-infiltration filter core；The counter-infiltration filter core includes film Element and shell, the membrane component include central tube group, multiple reverse osmosis membrane groups, the first end cap and the second end cap, described Central tube group includes DI and around the spaced multiple waste pipes of the DI；Multiple reverse osmosis membrane groups are surround The central tube group is set；First end cap and second end cap are covered on the multiple reverse osmosis membrane group and institute respectively The two ends of the length direction of central tube group are stated, and are tightly connected respectively with the multiple reverse osmosis membrane group；First end cap Provided with the pure water outlet being connected with the DI；Second end cap is provided with the waste water row being connected with the waste pipe Outlet；The shell includes bottle and is covered on the lid of the bottle, and the membrane component is installed in the shell；The lid Body is docked with first end cap, and the lid is provided with the pure water chamber connected with outside water route, the pure water chamber and the pure water Outlet sealing connection；The bottle is docked with second end cap, and the bottle is provided with the original connected respectively with outside water route Water cavity and waste water chamber, the space between the raw water chamber and the membrane component and the bottle are connected, the waste water chamber with it is described Waste water discharge opening sealing connection；The inlet pipeline is connected with the raw water chamber of the bottle, the pure water pipeline and the lid The pure water chamber of body is connected, and the waste line is connected with the waste water chamber of the bottle.

The pure water outlet of membrane component is arranged on first end and covered in technical solutions of the utility model, and waste water discharge opening is set On the second end cap so that pure water and waste water can be discharged from different directions；Set on the lid of counter-infiltration filter core and outer The pure water chamber of portion water route connection, sets the raw water chamber and waste water chamber connected with outside water route, so on bottle so that lid with Without waterway converter during bottle assembling, the structure of whole counter-infiltration filter core is simplified, and then facilitate counter-infiltration filter core Lid and bottle assembling.Also, pure water chamber is connected with the sealing of pure water outlet, between raw water chamber and membrane component and bottle Space is connected, and the sealing of waste water chamber and waste water discharge opening is connected, and the lid for realizing counter-infiltration filter core goes out pure water, bottle enter raw water with Go out the waterway structure of waste water, so as to preferably distinguish pure water and waste water, reduce pure water by the risk of contaminated wastewater.

Brief description of the drawings

Fig. 1 is the structural representation of the embodiment of the utility model counter-infiltration filter core one；

Fig. 2 is the decomposition texture schematic diagram of counter-infiltration filter core shown in Fig. 1；

Fig. 3 is the cross-sectional view along A-A of counter-infiltration filter core shown in Fig. 1；

Fig. 4 is the cross-sectional view of the membrane component of Fig. 3 shown counter-infiltration filter core；

Fig. 5 is the structural representation of the central tube group of counter-infiltration filter core shown in Fig. 1；

Fig. 6 is that a reverse osmosis membrane group in the membrane component of counter-infiltration filter core shown in Fig. 1 and a waste pipe and one are pure The top view that water pipe coordinates；

Fig. 7 is the structural representation of the embodiment of the utility model reverse osmosis purified water system one.

Drawing reference numeral explanation：

Label	Title	Label	Title
				100	Membrane component	200	Shell
110	Central tube group	120	Reverse osmosis membrane group
				130	First end cap	140	Second end cap
111	DI	112	Waste pipe
				1111	Pure water blasthole	1121	Waste water blasthole
121	Reverse osmosis membrane	122	Water inlet flow-guiding screen
				123	Pure water flow-guiding screen	131	Pure water outlet
132	First stretches into pipe	133	First connecting tube
				141	Waste water discharge opening	142	Second stretches into pipe
143	Second connecting tube	210	Bottle
				220	Lid	211	Second annular muscle
221	Roof	222	Cover rim
				223	First annular muscle	500	Discharging device
600	Inlet pipeline	700	Pure water pipeline
				800	Waste line	900	Counter-infiltration filter core
610	Preposition composite filter element	620	Water intaking valve
				630	Booster pump	710	Rearmounted granulated carbon filter core
720	Check valve	730	High-voltage switch gear
				810	Wastewater valve

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of the utility model protection.

If it is to be appreciated that related in the utility model embodiment directionality indicate (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality indicates to be only used for explaining relative between each part under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly therewith to change.

If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate meaning The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, when the combination appearance of technical scheme is conflicting or can not realize it will be understood that this technical side The combination of case is not present, also not within the protection domain of the utility model requirement.

The utility model proposes a kind of counter-infiltration filter core.

Fig. 1 to Fig. 3 is referred to, in the utility model embodiment, the counter-infiltration filter core 900 includes membrane component 100 and outer Shell 200, the membrane component 100 includes central tube group 110, multiple reverse osmosis membrane groups 120, the first end cap 130 and the second end Lid 140, the central tube group 110 includes DI 111 and the waste pipe 112 of multiple spaced settings, multiple described useless Water pipe 112 is arranged around the DI 111；Multiple reverse osmosis membrane groups 120 are set around the central tube group 110；It is described First end cap 130 and second end cap 140 are covered on the multiple reverse osmosis membrane group 120 and the central tube group respectively The two ends of 110 length direction, and be tightly connected respectively with the multiple reverse osmosis membrane group 120；First end cap 130 is set There is the pure water outlet 131 (referring to Fig. 4) being connected with the DI 111；Second end cap 140 is provided with to give up with described The waste water discharge opening 141 (referring to Fig. 4) that water pipe 112 is connected；The shell 200 includes bottle 210 and covers the bottle 210 lid 220, the membrane component 100 is installed in the shell 200, the lid 220 and 130 pairs of first end cap Connect, the lid 220 is provided with the pure water chamber connected with outside water route, and the pure water chamber is sealed with the pure water outlet 131 Connection, the bottle 210 is provided with the raw water chamber and waste water chamber connected respectively with outside water route, the raw water chamber and the membrane component Space between 100 and the bottle 210 is connected, and the waste water chamber is connected with the waste water discharge opening 141 sealing.

The pure water outlet 131 of membrane component 100 is arranged on the first end cap 130 in technical solutions of the utility model, waste water Outlet 141 is arranged on the second end cap 140 so that pure water and waste water can be discharged from different directions；In counter-infiltration filter core The pure water chamber connected with outside water route is set on 900 lid 220, sets and is connected with outside water route on the bottom of bottle 210 Raw water chamber and waste water chamber, so so that without waterway converter when lid 220 and the assembling of bottle 210, and then simplify The structure of whole counter-infiltration filter core 900, and then facilitate the assembling of the lid and bottle of counter-infiltration filter core 900.Also, pure water chamber Connected with the sealing of pure water outlet 131, the space between raw water chamber and membrane component 100 and bottle 210 is connected, waste water chamber and waste water The sealing connection of outlet 141, the lid 220 for realizing counter-infiltration filter core 900 goes out pure water, and bottle 210 enters raw water and goes out waste water Waterway structure, so as to preferably distinguish pure water and waste water, reduces pure water by the risk of contaminated wastewater.

The central tube group 110 of above-mentioned reverse-osmosis membrane element 100 includes the useless of DI 111 and multiple circular DIs 111 Water pipe 112；And each corresponding one page reverse osmosis membrane group 120 of waste pipe 112, is arranged such, realizes reverse-osmosis membrane element 100 multimembranes page is batched, and then is conducive to adding the runner quantity of the reverse-osmosis membrane element 100, is conducive to improving raw water flux； Meanwhile, also solve causes osmotic pressure not enough because reverse osmosis membrane group 120 is long, and then causes part reverse osmosis membrane group 120 do not play a part of filtering.

Due to above-mentioned central tube group 110 by multipage reverse osmosis membrane group 120 wound on center, therefore in the first end cap 130 and second end cap 140 seal the two ends of reverse osmosis membrane group 120 after, the outer side edges of multipage reverse osmosis membrane group 120 can be formed Effluent is intake, and middle waste pipe 112 discharges the raw water water route of waste water；Counter-infiltration filter core 900 is in use, raw water is entered by effluent Water, runner narrows, and water inlet area reduces, and flow also increases significantly, therefore can increase raw water and contacted with reverse osmosis membrane 121 Time, improve raw water utilization rate；Meanwhile, because reducing raw water water inlet area, the surface of reverse osmosis membrane 122 can be increased Water velocity (enter water flux it is certain when, the relation entered between water flux Q and water velocity V is V=Q/S；Wherein, S is water inlet Area, specifically, S=Ld；L is water inlet end diaphragm length, and d is section thickness, and effluent, which is mainly, reduces L, and thickness is used in addition Small water inlet flow-guiding screen 122 can be with reduce thickness d), it is thus possible to reduce the surface concentration polarization of reverse osmosis membrane 121, and reduction should The pollution speed of reverse-osmosis membrane element 100, is conducive to improving the raw water rate of recovery, so as to improve the waste problem of raw water.

Referring to Fig. 3, the collection of pure water for convenience, can be by the DI 111 away from the pure water outlet 131 One end closure, now, pure water flow direction in the DI 111 is certain, i.e., the pure water in DI 111 can only be from pure Water outlet 131 is discharged.Likewise, the export of waste water for convenience, can be by least one in multiple waste pipes 112 One end closure of the waste pipe 112 away from the waste water discharge opening 141.Now, the waste water flow direction one in the waste pipe 112 Fixed, i.e., the waste water in waste pipe 112 can only be discharged from waste water discharge opening 141.

In actual use, what reverse-osmosis membrane element 100 was usually placed vertically, the corresponding DI 111 and many The individual waste pipe 112 is also vertically put, now, and pure water, reverse-osmosis membrane element are brought out on reverse-osmosis membrane element 100 100 lower end effluent, can so be effectively prevented from the waste water in reverse-osmosis membrane element 100 and reverse-osmosis membrane element 100 Pure water mixing, and then pure water in reverse-osmosis membrane element 100 can be avoided to be contaminated.The reclaimed water of reverse-osmosis membrane element 100 Specific mobility status, can refer to 3, wherein what the dotted line with arrow indicated is water (flow) direction, and pure water is from the DI 111 Pure water blasthole 1111 (referring to Fig. 4) is entered in DI 111, and is flowed upwards out along the passage inside DI 111 DI 111；Waste water enters waste pipe 112 from the waste water blasthole 1121 (referring to Fig. 5) of the waste pipe 112, and along Passage inside waste pipe 112 flows downward out waste pipe 112.

It should be noted that the particular number of waste pipe 112 determines the quantity of reverse osmosis membrane group 120, also determine The size of DI 111.Specifically, one waste pipe 112 of correspondence of reverse osmosis membrane group 120 is set, waste pipe more than 112 Then the quantity of reverse osmosis membrane group 120 is more, and the flux of corresponding reverse-osmosis membrane element 100 is also bigger, and the chi of DI 111 It is very little also corresponding bigger.The shape of the particular number of waste pipe 112, shape and correspondence DI 111 can be according to actual conditions Set, refer to Fig. 5 and combine Fig. 4 understandings, in an embodiment of the present utility model, the quantity of the waste pipe 112 is N Individual, N is more than or equal to 3；The cross section of the DI 111 is set in N sides shape, and correspondingly has N number of side surface, the pure water The pure water blasthole 1111 for connecting the internal duct of DI 111 is equipped with each side surface of pipe 111；Described in each The position of the correspondence of waste pipe 112 side surface of DI 111 1 is set, and each waste pipe 112 is communicated with described useless The internal duct of water pipe 112.Now each described waste pipe 112 can be plane towards the side of the side surface, and convenience is anti- Infiltration diaphragm group 120 is stretched into and wound.Specifically, in the present embodiment, N=5, the i.e. quantity of waste pipe 112 are 5, DI 111 cross section is substantially set in regular pentagon, and correspondence has five side surfaces, each described correspondence of waste pipe 112 one The position of the side surface is set.This setup can ensure one of the independent correspondence DI 111 of each waste pipe 112 Side surface, from each other will not be interfering with each other during progress wound membrane operation, instant rolled membrane operations.In order to ensure each waste pipe The pure water that 112 corresponding reverse osmosis membrane groups 120 are produced can be timely collected into DI 111, the DI 111 Each side surface be provided with multiple pure water blastholes 1111, and length of multiple pure water blastholes 1111 along the DI 111 Degree direction is intervally arranged, as a result, the pure water of each position of the DI 111 quickly can enter water by pure water Hole 1111 is flowed into the DI 111.It is interval with waste water, each waste pipe 112 in order to exclude in time The internal path waste water blastholes 1121 of multiple connection waste pipes 112, and multiple waste water blastholes 1121 are along the waste water The length direction of pipe 112 is uniformly arranged, as a result, the waste water of each position of the waste pipe 112 can pass through waste water Blasthole 1121 is flowed into the waste pipe 112, and then has been easy to the discharge of waste water.

Wound membrane is operated for convenience, and the DI 111 and multiple common combinations of the waste pipe 112 can be set to be formed Cylindrical；During wound membrane, central tube group 110 rotate when than more uniform, it is not easy to occur it is crooked, while rolling the outward appearance of finished product Being installed in the shell of reverse-osmosis membrane element 100 for finished product can be easy to roll, reverse-osmosis membrane element 100 is also allowed for than more uniform End cap and roll the alignment and sealing of finished product.

Pure water chamber can be enclosed to set by the rib being arranged in lid 220 to be formed, referring to Fig. 3, in the present embodiment, it is described Lid 220 includes the cover rim 222 that roof 221 and the periphery from the roof 221 extend to the bottle 210, cover rim 222 and bottle Body 210 is tightly connected, and realizes the sealing of shell, and the inner surface of the roof 221 is convexly equipped with first annular muscle 223, described first The internal perisporium of annular muscle 223, which encloses, to be set to form the pure water chamber, and the first annular muscle 223 set by an annular can form this Pure water chamber, it is simple in construction, it is easy to produce and manufactures, also allows for the assembling of counter-infiltration filter core 900.The direction of first end cap 130 The surface of the DI 111 is convexly equipped with first for stretching into the DI 111 and being connected with the DI 111 and stretches into pipe 132, stretching into pipe 132 by first realizes docking for the first end cap 130 and DI 111, and DI 111 can be carried out Positioning, the first end cap 130 is provided with the first connecting tube 133 towards the surface of the lid 220, and described first stretches into pipe 132 and institute State the first connecting tube 133 to connect, it is reliable from DI 111 by pure water to stretch into the connecting tube 133 of pipe 132 and first by first Export, first connecting tube 133 is stretched into the pure water chamber and sealed against with the first annular muscle 223, described first Connecting tube 133 constitutes the pure water outlet 131, the first connecting tube 133 and first annular muscle towards the mouth of pipe of the lid 220 After 223 be tightly connected, pure water can be flow to from DI 111 during first lid 220 flow to pure water chamber again, whole pure water Stream is independent sealed.The first end cap 130 can also set the first positioning convex stretched into waste pipe simultaneously, and central tube group is entered Row positioning, is conducive to improving the structural reliability of membrane component 100.

Raw water chamber and waste water chamber equally can be enclosed to set by the rib being arranged in bottle 210 to be formed, can also be by bottle Grooving is formed in body 210, and further referring to Fig. 3, in the present embodiment, the bottom of the bottle 210 is convexly equipped with the second annular Muscle 211, the internal perisporium of the second annular muscle 211, which encloses, to be set to form the waste water chamber, the periphery wall of the described second annular muscle 211 with The sidepiece of bottle 210 encloses jointly to be set to form raw water chamber, and the second annular muscle 211 set by an annular can form waste water chamber With raw water chamber, so so that bottle 210 it is simple in construction, be easy to produce and manufacture；Second end cap 140 gives up towards described The surface of water pipe 112 is convexly equipped with multiple second and stretches into pipe 142, and each described second stretches into pipe 142 and stretch into waste water described in one Connected in pipe 112 and with the waste pipe 112, in this way, docking for the second end cap 140 and waste pipe 112 is realized, and can be right Waste pipe 112 is positioned, and the second end cap 140 is provided with the second connecting tube 143 towards the surface of the lid 220, multiple described Second stretches into pipe 142 connects with second connecting tube 143, and the waste water that each waste pipe 112 is collected passes through corresponding second Stretch into pipe 142 to flow into the second connecting tube 143, collect in the second connecting tube 143, second connecting tube 143 stretches into described Sealed against in waste water chamber and with the described second annular muscle 211, second connecting tube 143 is towards the bottom of bottle 210 The mouth of pipe constitutes the waste water discharge opening 141, after being tightly connected of the second connecting tube 143 and the second annular muscle 211, and waste water can be from DI 111 flow to the second lid 220 and flow to again in waste water chamber, and whole waste water stream is independent sealed, may not flow into raw water Middle polluted raw.The second end cap 140 can also set the second positioning convex stretched into DI simultaneously, and central tube group is carried out Positioning, is conducive to improving the structural reliability of membrane component 100.

In order to which more smoothly pure water and waste water are separated, referring to Fig. 6, in the present embodiment, each described counter-infiltration Diaphragm group 120 is respectively provided with the Part I inside the central tube group 110 and outside the central tube group 110 Two parts, each waste pipe 112 and the DI 111 by the Part I of a reverse osmosis membrane group 120 every Open；The Part II of multiple reverse osmosis membrane groups 120 is centered around around the central tube group 110.Reverse osmosis membrane group 120 Part I separates DI 111 with waste pipe 112, is conducive to DI 111 and waste pipe 112 to receive pure respectively Water and waste water, the Part II of reverse osmosis membrane group 120 form the water stream channel of annular around central tube group 110, Water supply is flowed through and by reverse osmosis membrane separation pure water, in this way, pure water and waste water can be distinguished, it is ensured that purifying water effect.

Further referring to Fig. 6, each described reverse osmosis membrane group 120 includes reverse osmosis membrane 121, water inlet flow-guiding screen 122 and pure water flow-guiding screen 123；Water inlet flow-guiding screen 122 and pure water flow-guiding screen 123 are separately positioned on the reverse osmosis membrane 121 Tow sides, raw water reverse osmosis membrane 121 front flowing, and in the presence of osmotic pressure, from reverse osmosis membrane 121 Just towards reverse osmosis membrane 121 reverse side permeate pure water, pure water produce reverse osmosis membrane 121 reverse side and in pure water water conservancy diversion Flowed under the guide functions of net 123 to DI 111.Wherein, reverse osmosis membrane 121 can cause front and front by doubling Adjacent, reverse side is abutted with reverse side, it is to avoid unnecessary contact, so as to prevent pure water to be contaminated；During practical operation, reverse osmosis membrane Can be that just inward-facing doubling can also be reverse side inside doubling during 121 doubling, carrying out Rational choice according to actual conditions is Can.In the present embodiment, the just inward-facing doubling of the reverse osmosis membrane 121 of each reverse osmosis membrane group 120 is set, multiple The Part II of the reverse osmosis membrane group 120 overlaps and circumferentially winds the central tube group 110 jointly；The same reverse osmosis Water inlet flow channel is formed between the front interlayer of permeable membrane piece 121；Formed between the reverse side interlayer of the two neighboring reverse osmosis membrane 121 Produce water flow passage；The water inlet flow-guiding screen 122 and the waste pipe 112 are located in water inlet flow channel, and the pure water flow-guiding screen 123 is located at Produce in water flow passage.Now, it is separate between water inlet flow channel and production water flow passage, and thoroughly isolate, it can effectively ensure that each The water inlet flow-guiding screen 122 of the individual reverse osmosis membrane group 120 not with the DI 111 and other reverse osmosis membrane groups The reverse side contact of 120 reverse osmosis membrane 121；The pure water flow-guiding screen 123 of each reverse osmosis membrane group 120 not with it is described The front face of the reverse osmosis membrane 121 of waste pipe 112 and other reverse osmosis membrane groups 120；Raw water is only in feed water flow Flowing is finally discharged by waste pipe 112 in road, and pure water only flows in production water flow passage is finally discharged by DI 111, so as to keep away Exempt from pure water pollution, it is ensured that clean-up effect.In order to smoothly export pure water, in the present embodiment, the production can be set Other sides equal closing seam of the water flow passage in addition to close to the side of the DI 111, to cause the production water flow passage only With the pure water outlet towards the DI 111；Now production water flow passage forms the film bag of a side opening of three side seal one, film Sack is against DI 111, and the pure water limited in film bag can only flow towards DI 111；Work of the raw water in reverse osmosis membrane 121 With rear generation pure water, pure water, which forms in film bag and flow to sack, to be entered in DI 111.

Referring to Fig. 7, and understood that the utility model also proposes a kind of reverse osmosis purified water system with reference to Fig. 1 and Fig. 3, The reverse osmosis purified water system includes inlet pipeline 600, pure water pipeline 700, waste line 800 and counter-infiltration filter core 900, the reverse osmosis The concrete structure of filter core 900 is with reference to above-described embodiment, because this reverse osmosis purified water system employs above-mentioned all embodiments Whole technical schemes, therefore all beneficial effects that the same technical scheme with above-described embodiment is brought, it is not another herein One repeats.Wherein, the inlet pipeline 600 is connected with the raw water chamber of the bottle 210 of the counter-infiltration filter core 900, described pure Water lines 700 are connected with the pure water chamber of the lid 220 of the counter-infiltration filter core 900, the waste line 800 and the reverse osmosis The waste water chamber of the bottle 210 of filter core 900 is connected.Raw water flows ultimately to shell from inlet pipeline 600 flows into raw water chamber Realize that effluent is intake between 200 and the side of membrane component 100, raw water flows in the presence of osmotic pressure and permeates generation pure water, Waste water flow to the waste water chamber of the bottom of bottle 210 into waste pipe and then flows into waste line 800 and discharges, and raw water enters DI It flow to the pure water chamber of lid 220 and then flows into pure water pipeline and is conveyed to user.

Further referring to Fig. 7, the inlet pipeline 600 is sequentially provided with preposition composite filter element 610, water inlet along water inlet direction Valve 620 and booster pump 630；The pure water pipeline 700 is sequentially provided with rearmounted granulated carbon filter core 710, check valve 720 along water outlet direction With high-voltage switch gear 730, the waste line 800 is provided with wastewater valve 810；The reverse osmosis purified water system also includes discharging device 500, the discharging device 500 is connected with the mouth of pipe of the pure water pipeline away from the counter-infiltration filter core 900.Inlet pipeline 600 are connected with external water source, and booster pump 630 provides power for current so that raw water passes through counter-infiltration under the effect of the pressure Filter core 900 is purified, in order to control the size of current, and water intaking valve 620, water inlet are set typically on the inlet pipeline 600 Valve 620 can be magnetic valve.In the present embodiment, preposition composite filter element 610 is additionally provided with the inlet pipeline 600；It is described preposition The delivery port of composite filter element 610 is connected with the water inlet of the water intaking valve 620.Preposition composite filter element 610 generally comprises poly- third Alkene fibrous filter layer and activated carbon filter layer, it can filter out large granular impurity and some foreign pigments in water, it is to avoid water In impurity damage the original papers such as water intaking valve 620, booster pump 630 and counter-infiltration filter core 900, so as to effectively improve the reverse osmosis purified water The service life of system.Raw water produces pure water and waste water after the purification of counter-infiltration filter core 900, and wherein pure water passes through pure water Pipeline is exported to user.In order to avoid pure water flows backwards, in the present embodiment, the pure water pipeline 700 is provided with the He of check valve 720 High-voltage switch gear 730, the check valve 720 is serially connected between the high-voltage switch gear 730 and the pure water delivery port；It is single by setting To valve 720 and high-voltage switch gear 730, pure water water outlet is aided in, it is to avoid pure water flows backwards.In order to further lift effluent characteristics, Ke Yi Rearmounted granulated carbon filter core 710 is set in the pure water pipeline 800；The rearmounted granulated carbon filter core 710 is serially connected with the check valve Between 720 and the pure water delivery port, further filtered for the pure water that flows through, filter out the granule foreign in water and one A little foreign pigments.The discharging device 500 is connected with the one end of the pure water pipeline 700 away from the counter-infiltration filter core 900； User operation and water receiving directly on discharging device 500；Discharging device 500 be usually tap, in the present embodiment, it is described go out Water installations 500 are UV sterilizing taps, and it can carry out sterilizing to pure water, improve the safety and sanitation of pure water.

The utility model also proposes a kind of anti-penetration water purifier, and the anti-penetration water purifier includes reverse osmosis purified water system, should The concrete structure of reverse osmosis purified water system is with reference to above-described embodiment, because this anti-penetration water purifier employs above-mentioned all embodiments Whole technical schemes, therefore all beneficial effects that the same technical scheme with above-described embodiment is brought, herein no longer Repeat one by one.

It should be noted that the technical scheme of each embodiment of the present utility model can be combined with each other, but must be Basis can be implemented as with those skilled in the art, should when the combination appearance of technical scheme is conflicting or can not realize People thinks that the combination of this technical scheme is not present, also not within the protection domain of the utility model requirement.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, The equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are made, or directly or indirectly it is used in other phases The technical field of pass, is similarly included in scope of patent protection of the present utility model.

Claims (10)

1. a kind of counter-infiltration filter core, it is characterised in that including：

Membrane component, the membrane component includes central tube group, multiple reverse osmosis membrane groups, the first end cap and the second end cap, described Central tube group includes DI and around the spaced multiple waste pipes of the DI；Multiple reverse osmosis membrane groups are surround The central tube group is set；First end cap and second end cap are covered on the multiple reverse osmosis membrane group and institute respectively The two ends of the length direction of central tube group are stated, and are tightly connected respectively with the multiple reverse osmosis membrane group；First end cap Provided with the pure water outlet being connected with the DI；Second end cap is provided with the waste water row being connected with the waste pipe Outlet；

Shell, the shell includes bottle and is covered on the lid of the bottle, and the membrane component is installed in the shell；Institute State lid to dock with first end cap, the lid is provided with the pure water chamber that connects with outside water route, the pure water chamber and described The sealing connection of pure water outlet；The bottle is docked with second end cap, and the bottle is provided with to be connected with outside water route respectively Raw water chamber and waste water chamber, the space between the raw water chamber and the membrane component and the bottle connects, the waste water chamber with The waste water discharge opening sealing connection.

2. counter-infiltration filter core as claimed in claim 1, it is characterised in that the DI away from the pure water outlet one End is blocked, to cause pure water to be flowed towards the pure water outlet；And/or,

The one end of the waste pipe away from the waste water discharge opening is blocked, to cause waste water towards the waste water discharge opening stream It is dynamic.

3. counter-infiltration filter core as claimed in claim 1, it is characterised in that the quantity of the waste pipe be it is N number of, and N be more than or Equal to 3；

The cross section of the DI is set in N sides shape, and correspondingly has N number of side surface, is equipped with each side surface Connect the pure water blasthole of the DI internal duct；

The position of one side surface of each waste pipe correspondence DI is set.

4. counter-infiltration filter core as claimed in claim 1, it is characterised in that the lid includes roof and the week from the roof The cover rim that edge extends to the bottle, the inner surface of the roof is convexly equipped with first annular muscle, the inner circumferential of the first annular muscle Wall, which encloses, to be set to form the pure water chamber；

The surface of first end cap towards the DI, which is convexly equipped with, to be stretched in the DI and connects with the DI Logical first stretches into pipe, and first end cap is provided with towards the surface of the lid and stretches into the first company that pipe is connected with described first Adapter, first connecting tube is stretched into the pure water chamber and sealed against with the first annular muscle, first connecting tube The pure water outlet is constituted towards the mouth of pipe of the lid.

5. counter-infiltration filter core as claimed in claim 1, it is characterised in that the bottom of the bottle is convexly equipped with the second annular muscle, The internal perisporium of described second annular muscle, which encloses, to be set to form the waste water chamber, and the periphery wall and the bottle of the described second annular muscle Sidepiece, which encloses, to be set to form raw water chamber；

The surface of second end cap towards the waste pipe is convexly equipped with multiple second and stretches into pipe, and each described second stretches into pipe Stretch into waste pipe described in one and connected with the waste pipe, the surface of bottom of second end cap towards the bottle is provided with Stretch into pipe with multiple described second and connect the second connecting tube of setting, second connecting tube stretch into the waste water chamber and with it is described Second annular muscle is sealed against, and second connecting tube constitutes the waste water discharge opening towards the mouth of pipe of the bottle body bottom.

6. counter-infiltration filter core as claimed in claim 1, it is characterised in that each described reverse osmosis membrane group, which is respectively provided with, to be located at Part I inside the central tube group and the Part II outside the central tube group, each waste pipe and institute DI is stated to be separated by the Part I of a reverse osmosis membrane group；The Part II of multiple reverse osmosis membrane groups encloses It is wound on around the central tube group.

7. counter-infiltration filter core as claimed in claim 6, it is characterised in that each described reverse osmosis membrane group includes counter-infiltration Diaphragm, water inlet flow-guiding screen and pure water flow-guiding screen；

The just inward-facing doubling of the reverse osmosis membrane of each reverse osmosis membrane group is set, multiple reverse osmosis membrane groups Part II overlapping is simultaneously common along in the central tube group of the central tube group；The same reverse osmosis membrane Water inlet flow channel is formed between the interlayer of front；Production water flow passage is formed between the reverse side interlayer of the two neighboring reverse osmosis membrane；Institute State water inlet flow-guiding screen and the waste pipe is located in water inlet flow channel, the pure water flow-guiding screen is located in production water flow passage.

8. a kind of reverse osmosis purified water system, it is characterised in that including inlet pipeline, pure water pipeline, waste line and as right will Seek the counter-infiltration filter core described in 1 to 7；The inlet pipeline is connected with the raw water chamber of the bottle, the pure water pipeline and institute The pure water chamber for stating lid is connected, and the waste line is connected with the waste water chamber of the bottle.

9. reverse osmosis purified water system as claimed in claim 8, it is characterised in that the inlet pipeline is set successively along water inlet direction There are preposition composite filter element, water intaking valve and booster pump；The pure water pipeline is sequentially provided with rearmounted granulated carbon filter core, list along water outlet direction To valve and high-voltage switch gear, the waste line is provided with wastewater valve；The reverse osmosis purified water system also includes discharging device, described Discharging device is connected with the mouth of pipe of the pure water pipeline away from the counter-infiltration filter core.

10. a kind of anti-penetration water purifier, it is characterised in that including reverse osmosis purified water system as claimed in claim 8 or 9.