CN206463790U - Reverse osmosis filter core, reverse osmosis water purification system and reverse osmosis water purifier - Google Patents

Abstract

The utility model discloses a reverse osmosis filter core, reverse osmosis water purification system and reverse osmosis water purifier, wherein, reverse osmosis filter core includes membrane element and shell, and membrane element includes central nest of tubes, a plurality of reverse osmosis membrane group, first end cover and second end cover, and central nest of tubes includes pure water pipe and a plurality of waste water pipes; a plurality of reverse osmosis membrane groups are arranged around the central pipe group; the first end cover and the second end cover are respectively covered at two ends of the plurality of reverse osmosis membrane groups and the central pipe group; the first end cover is provided with a waste water outlet; the second end cover is provided with a pure water outlet; the membrane element is arranged in the shell, the cover body is provided with a waste water cavity and a raw water cavity, the waste water cavity is hermetically communicated with a waste water outlet, and the raw water cavity is communicated with a gap between the membrane element and the bottle body; the bottle body is provided with a pure water cavity, and the pure water cavity is communicated with the pure water outlet in a sealing way. The technical scheme of the utility model can simplify the structure of the lid department of the shell of reverse osmosis 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, including membrane component and shell, the membrane component Including central tube group, multiple reverse osmosis membrane groups, the first end cap and the second end cap, the central tube group include DI and The waste pipe of multiple spaced settings, multiple waste pipes are arranged around the DI；Multiple reverse osmosis membrane group rings Set around the central tube group；First end cap and second end cap be covered on respectively the multiple reverse osmosis membrane group and The two ends of the length direction of the central tube group, and be tightly connected respectively with the multiple reverse osmosis membrane group；The first end It is covered with the waste water discharge opening being connected with the waste pipe；Second end cap is provided with the pure water being connected with the DI Outlet；The shell includes bottle and is covered on the lid of the bottle, and the membrane component is installed in the shell, described Lid is docked with first end cap, and the lid is provided with the waste water chamber and raw water chamber connected respectively with outside water route, described useless Water cavity is connected with waste water discharge opening sealing, and the space between the raw water chamber and the membrane component and the bottle is connected； The bottle is docked with second end cap, and the bottle is provided with the pure water chamber connected with outside water route, the pure water chamber and institute State the sealing connection of pure water outlet.

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 towards institute State waste water discharge opening flowing.

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 set in N sides shape Put, 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 each described one side surface of waste pipe correspondence is set.

Preferably, the lid includes roof and the cover rim extended from the edge of the roof towards the bottle, described The inner surface of roof is convexly equipped with first annular muscle, and the internal perisporium of the first annular muscle, which encloses, to be set to form the waste water chamber, and described The periphery wall of one annular muscle encloses jointly with the cover rim to be set to form the raw water chamber；First end cap is towards the waste pipe Surface, which is convexly equipped with many, to be stretched into first connected in the waste pipe with the waste pipe and stretches into pipe, and the first end cap is towards the lid The surface of body is provided with the first connecting tube, and many described first are stretched into pipe and connected respectively with first connecting tube, and described first connects Adapter is stretched into the waste water chamber and sealed against with the first annular muscle, pipe of first connecting tube towards the lid Mouth constitutes the waste water discharge opening.

Preferably, the bottom of the bottle is inwardly convexly equipped with the second annular muscle, and the internal perisporium of the described second annular muscle, which encloses, to be set Form the pure water chamber；The surface of second end cap towards the DI be convexly equipped with stretch into the DI with it is described pure The second of water pipe connection stretches into pipe, and the second end cap is provided with the second connecting tube towards the surface of the lid, and described second stretches into pipe Connected with second connecting tube, second connecting tube is stretched into the pure water chamber and supported with the described second annular muscle sealing Connect, second connecting tube constitutes the pure water outlet towards the mouth of pipe of the bottle body bottom.

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, and the second of multiple reverse osmosis membrane groups Part overlaps and circumferentially winds the central tube group jointly；Feed water flow is formed between same reverse osmosis membrane front interlayer Road；Production water flow passage is formed between the reverse side interlayer of the two neighboring reverse osmosis membrane；The water inlet flow-guiding screen and the waste water Pipe is 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 multiple mutual Every the waste pipe of setting, multiple waste pipes are arranged around the DI；Multiple reverse osmosis membrane groups are around the center Pipe group is set；First end cap and second end cap are covered on the multiple reverse osmosis membrane group and the central tube respectively The two ends of the length direction of group, and be tightly connected respectively with the multiple reverse osmosis membrane group；The first end is covered with and institute State the waste water discharge opening that waste pipe is connected；Second end cap is provided with the pure water outlet being connected with the DI；Institute Stating shell includes bottle and the lid for being covered on the bottle, and the membrane component is installed in the shell, the lid and institute The docking of the first end cap is stated, the lid is provided with the waste water chamber and raw water chamber connected respectively with outside water route, the waste water chamber and institute Waste water discharge opening sealing connection is stated, the space between the raw water chamber and the membrane component and the bottle is connected；The bottle Docked with second end cap, the bottle is provided with the pure water chamber connected with outside water route, pure water chamber and the pure water row Exit seal is connected, and the inlet pipeline is connected with the raw water chamber of the lid, the waste line and the lid it is useless Water cavity is connected, and the pure water pipeline is connected with the pure water chamber of the bottle.

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 the waste pipe of multiple spaced settings, and multiple waste pipes are arranged around the DI Cloth；Multiple reverse osmosis membrane groups are set around the central tube group；First end cap and second end cap are covered on respectively The two ends of the length direction of the multiple reverse osmosis membrane group and the central tube group, and respectively with the multiple reverse osmosis membrane Group is tightly connected；The first end is covered with the waste water discharge opening being connected with the waste pipe；Second end cap be provided with The pure water outlet that the DI is connected；The shell includes bottle and is covered on the lid of the bottle, the membrane element Part is installed in the shell, and the lid is docked with first end cap, and the lid is provided with to be connected with outside water route respectively Waste water chamber and raw water chamber, the sealing of the waste water chamber and the waste water discharge opening connect, the raw water chamber and the membrane component and Space connection between the bottle；The bottle is docked with second end cap, and the bottle is provided with and connected with outside water route Pure water chamber, the sealing of the pure water chamber and the pure water outlet connects, the raw water chamber phase of the inlet pipeline and the lid Connection, the waste line is connected with the waste water chamber of the lid, and the pure water pipeline is connected with the pure water chamber of the bottle It is logical.

The waste water discharge opening of membrane component is arranged on first end and covered in technical solutions of the utility model, and pure water outlet is set On the second end cap so that pure water and waste water can be discharged from different directions, distinguish in this way, only needing to set in the lid The waste water chamber and raw water chamber connected with outside water route, without setting pure water chamber, simplifies the structure of lid, meanwhile, the bottle The pure water chamber connected with outside water route is set, is the separation that water route can be achieved without waterway converter, facilitates at lid Alignment and sealing are installed, and simplify the assembling of whole counter-infiltration filter core；Connected by waste water chamber with waste water discharge opening sealing, raw water Space between chamber and membrane component and bottle is connected, and pure water chamber is connected with the sealing of pure water outlet, is realized filter core lid and is entered original Water, goes out waste water, and bottle goes out the waterway structure of pure water, can preferably distinguish pure water and waste water, smaller pure water is by contaminated wastewater Risk.

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
				113	Pure water blasthole	114	Waste water blasthole
121	Reverse osmosis membrane	122	Water inlet flow-guiding screen
				123	Pure water flow-guiding screen	131	Waste water discharge opening
132	First stretches into pipe	133	First connecting tube
				141	Pure water outlet	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.

The direction that the signified direction of arrow in Fig. 1 to Fig. 3, Fig. 3 is current is referred to, in the utility model embodiment, The counter-infiltration filter core 900 includes membrane component 100 and shell 200, and the membrane component 100 includes central tube group 110, multiple counter-infiltrations Diaphragm group 120, the first end cap 130 and the second end cap 140, the central tube group 110 include DI 111 and multiple mutual Spaced waste pipe 112, multiple waste pipes 112 are arranged around the DI 111；Multiple reverse osmosis membrane groups 120 are set around the central tube group 110；First end cap 130 and second end cap 140 are covered on the multiple respectively The two ends of the length direction of reverse osmosis membrane group 120 and the central tube group 110, and respectively with the multiple reverse osmosis membrane group 120 are tightly connected；First end cap 130 is provided with the waste water discharge opening 131 being connected with the DI 111 and (refers to figure 4)；Second end cap 140 is provided with the pure water outlet 141 (referring to Fig. 4) being connected with the waste pipe 112；It is described outer Shell 200 includes bottle 210 and is covered on the lid 220 of the bottle 210, and the membrane component 100 is installed on the shell 200 In, the lid 220 is docked with first end cap 130, and the lid 220 is provided with the waste water chamber connected respectively with outside water route With raw water chamber, the waste water chamber is connected with the waste water discharge opening 131 sealing, the raw water chamber and the membrane component 100 and institute State the space connection between bottle 210；The bottle 210 is docked with second end cap 140, the bottle 210 be provided with it is outer The pure water chamber of portion water route connection, the pure water chamber is connected with the pure water outlet 141 sealing.

The waste water discharge opening 131 of membrane component 100 is arranged on the first end cap 130 in technical solutions of the utility model, pure 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 this way, in the lid Body 220 only needs to set the waste water chamber and raw water chamber connected respectively with outside water route, without setting pure water chamber, simplifies lid 220 structure, meanwhile, the bottle 210 sets the pure water chamber connected with outside water route, can be real without waterway converter The separation in existing water route, facilitates alignment and sealing at lid 220 to install, simplifies the assembling of whole counter-infiltration filter core 900；Pass through Waste water chamber is connected with the sealing of waste water discharge opening 131, and the space between raw water chamber and membrane component 100 and bottle 210 is connected, pure water chamber Connected with the sealing of pure water outlet 141, realize filter core lid 220 and enter raw water, go out waste water, bottle 210 goes out the water route knot of pure water Structure, can preferably distinguish pure water and waste water, smaller pure water is by the risk of contaminated wastewater.

Wherein, the central tube group 110 of reverse-osmosis membrane element 100 includes the useless of DI 111 and multiple circular DIs 111 Water pipe 112；The corresponding one page reverse osmosis membrane group 120 of each waste pipe 112 of reverse-osmosis membrane element 100 is more so as to realize Film page is batched, and can increase runner quantity, is conducive to improving raw water flux, and solve the long osmotic pressure of reverse osmosis membrane 121 not The problem of foot causes part reverse osmosis membrane 121 and not up to filters purpose；Because the central tube group 110 is by multipage reverse osmosis membrane Piece group 120 seals 120 liang of those reverse osmosis membrane groups wound on center, therefore in the first end cap 130 and the second end cap 140 Behind end, the water inlet of the outer side edges effluent of multipage reverse osmosis membrane group 120 can be formed, middle waste pipe 112 discharges the raw water water of waste water Road；Counter-infiltration filter core 900 is in use, raw water is intake by effluent, and runner narrows, and water inlet area reduces, and flow also increases greatly It is long, therefore the time that raw water is contacted with reverse osmosis membrane 121 can be increased, improve the raw water rate of recovery；Meanwhile, because reducing original Water intake area, can increase the surface water velocity of reverse osmosis membrane 122 (enter water flux it is certain when, enter water flux Q and current Relation between speed V is V=Q/S；Wherein, S is water inlet area, specifically, S=Ld；L is water inlet end diaphragm length, and d is to cut Face thickness, effluent, which is mainly, reduces L, in addition can be with reduce thickness d) with the small water inlet flow-guiding screen 122 of thickness, it is thus possible to subtract The small surface concentration polarization of reverse osmosis membrane 121, reduces the pollution speed of the reverse-osmosis membrane element 100, is conducive to improving raw water time Yield, so as to improve the waste problem of raw water.

Referring to Fig. 3, collecting pure water for convenience, the DI 111 can be set away from the pure water outlet 141 One end blocked, to cause pure water to be flowed towards the pure water outlet 141；Now, pure water flow direction is certain, Neng Gouke The collection pure water leaned on.Waste water is exported for convenience, can design at least one described waste pipe 112 away from the waste water discharge opening 131 one end is blocked, to cause waste water to be flowed towards the waste water discharge opening 131, after closure, and waste water flow direction is certain, Waste water can reliably be collected.In actual use, what reverse-osmosis membrane element 100 was usually placed vertically, it is corresponding described pure Water pipe 111 and multiple waste pipes 112 are also vertically put, now, are collected waste water from upper end and are collected pure from lower end Water, uniform fluid flow, and be conducive to waterway seal, so as to avoid the mixing or pollution of pure water and waste water, it is easy to reverse osmosis water system Design.Specific mobility status, can refer to 3, wherein the instruction of the dotted line with arrow is water (flow) direction, pure water enters water from pure water Hole 113 (referring to Fig. 4) enters DI 111, and DI 111 is flowed downward out along the tunnel of DI 111；Waste water enters water from waste water Hole 114 (referring to Fig. 5) enters waste pipe 112, and waste pipe 112 is flowed upwards out along the tunnel of waste pipe 112.

The particular number of waste pipe 112 determines the quantity of reverse osmosis membrane group 120, also determines the chi of DI 111 It is very little, specifically, one waste pipe 112 of correspondence of reverse osmosis membrane group 120 is set, the more at most reverse osmosis membrane of waste pipe 112 The quantity of group 120 is more, and the flux of corresponding reverse-osmosis membrane element 100 is also bigger, and the size of DI 111 is also accordingly got over Greatly.The shape of the particular number of waste pipe 112, shape and correspondence DI 111 can be set according to actual conditions, be referred to Fig. 5 simultaneously combines Fig. 4 understandings, and in an embodiment of the present utility model, the quantity of the waste pipe 112 is N number of, and N is more than or waited In 3；The cross section of the DI 111 is set in N sides shape, and correspondingly has N number of side surface, is all provided with each side surface There is the pure water blasthole 113 for connecting the internal duct of DI 111；Each described one described side of the correspondence of waste pipe 112 The position on surface is set, and each waste pipe 112 is communicated with the internal duct of waste pipe 112.Now each institute The side that waste pipe 112 is stated towards the side surface can be plane, facilitate reverse osmosis membrane group 120 to stretch into and wind.Specifically, In the present embodiment, N=5, the i.e. quantity of waste pipe 112 are 5, and the cross section of DI 111 is substantially set in regular pentagon, right There should be five side surfaces, the position of each described one side surface of the correspondence of waste pipe 112 is set.This setup A side surface of the independent correspondence DI 111 of each waste pipe 112 can be ensured, from each other will not during wound membrane operation It is interfering with each other, instant rolled membrane operations.In order to ensure pure water that the corresponding reverse osmosis membrane group 120 of each waste pipe 112 is produced It can timely be collected into DI 111, set and be interval with multiple pure water blastholes on each side surface 113, and length direction of multiple pure water blastholes 113 along the DI 111 uniformly arrange, thus, the pure water of each position Can quickly it flow in nearer pure water blasthole 113；In order to exclude waste water, each waste pipe in time The internal path waste water blasthole 114 of multiple connection waste pipes 112, and multiple waste water blastholes are interval with 112 114 uniformly arrange along the length direction of the waste pipe 112, it is ensured that the waste water of each position can quickly flow to nearer Waste water blasthole 114 in enter waste pipe 112 internal path.

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.

Waste water chamber and raw water chamber can be enclosed to set by the rib being arranged in lid 220 to be formed and makes a distinction, and refers to figure 3, in the present embodiment, the lid 220 includes roof 221 and extended from the edge of the roof 221 towards the bottle 210 Cover rim 222, cover rim 222 is tightly connected with bottle 210, realizes the sealing of shell, the inner surface of the roof 221 is convexly equipped with One annular muscle 223, the internal perisporium of the first annular muscle 223, which encloses, to be set to form the waste water chamber, outside the first annular muscle 223 Perisporium encloses jointly with the cover rim 222 to be set to form the raw water chamber；The first annular muscle 223 set by an annular can shape Into the waste water chamber, then enclosing to set jointly and form raw water chamber by cover rim 222 and first annular muscle 223, it is simple in construction, it is easy to life Production and manufacture, also allow for the assembling of counter-infiltration filter core 900.Surface projection of first end cap 130 towards the waste pipe 112 There are many to stretch into first connected in the waste pipe 112 with the waste pipe 112 and stretch into pipe 132, first stretches into pipe 132 with giving up Water pipe 112, which is corresponded, to be set, and stretching into pipe 132 by first realizes docking for the first end cap 130 and waste pipe 112, and energy Enough that waste pipe 112 is positioned, the first end cap 130 is provided with the first connecting tube 133, many towards the surface of the lid 220 Described first stretches into pipe 132 connects with corresponding first connecting tube 133 respectively, and the waste water that each waste pipe 112 is collected leads to Cross corresponding first to stretch into the first connecting tube 133 of inflow of pipe 132, collect in the first connecting tube 133, first connecting tube 133 stretch into the waste water chamber and are sealed against with the first annular muscle 223, and first connecting tube 133 is towards the lid The mouth of pipe of body 220 constitutes the waste water discharge opening 131, after being tightly connected of the first connecting tube 133 and first annular muscle 223, gives up Water can be flow to from waste pipe 112 during first lid 220 flow to waste water chamber again, and whole waste water stream is independent sealed.

Pure water chamber equally can be enclosed to set by the rib being arranged in bottle 210 to be formed, can also be by being dug in bottle 210 Groove is formed, and further referring to Fig. 3, in the present embodiment, the bottom of the bottle 210 is inwardly convexly equipped with the second annular muscle 211, The internal perisporium of described second annular muscle 211, which encloses, to be set to form the pure water chamber, and the second annular muscle 211 set by an annular is Can form the pure water chamber, bottle 210 it is simple in construction, be easy to produce and manufacture；Second end cap 140 is towards the DI 111 surface, which is convexly equipped with, to be stretched into second connected in the DI 111 with the DI 111 and stretches into pipe 142, passes through second Stretching into pipe 142 realizes docking for the second end cap 140 and DI 111, and DI 111 can be positioned, the second end Lid 140 is provided with the second connecting tube 143 towards the surface of the lid 220, and described second stretches into pipe 142 and second connecting tube 143 connections, stretch into the connecting tube 143 of pipe 142 and second by second and are exported pure water is reliable from DI 111, and described the Two connecting tubes 143 are stretched into the pure water chamber and sealed against with the described second annular muscle 211, the court of the second connecting tube 143 The pure water outlet 141 is constituted to the mouth of pipe of the bottom of bottle 210, the second connecting tube 143 is close with the second annular muscle 211 After envelope connection, pure water can be flow to from DI 111 during second lid 220 flow to pure water chamber again, and whole pure water stream is only Vertical sealing, will not be polluted by waste water and raw water.

In order to more smoothly separate pure water and waste water, water stream channel is formed, referring to Fig. 6, in the present embodiment, it is each The individual reverse osmosis membrane group 120 is respectively provided with Part I inside the central tube group 110 and positioned at the central tube Part II outside group 110, each waste pipe 112 and the DI 111 are by a reverse osmosis membrane group 120 Part I separate；The Part II of multiple reverse osmosis membrane groups 120 is centered around around the central tube group 110. The Part I of reverse osmosis membrane group 120 separates DI 111 with waste pipe 112, is conducive to DI 111 and waste pipe 112 receive pure water and waste water respectively, and the Part II of reverse osmosis membrane group 120 forms ring around central tube group 110 The water stream channel of shape, 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 water purification 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 lid of the counter-infiltration filter core 900, the waste pipe Road 800 is connected with the waste water chamber of the lid of the counter-infiltration filter core 900, the pure water pipeline 700 and the counter-infiltration filter core The pure water chamber of 900 bottle is connected.Raw water flows ultimately to shell and membrane component from inlet pipeline 600 flows into raw water chamber Side between realize that effluent is intake, raw water flows in the presence of osmotic pressure and permeates generation pure water, and waste water enters waste pipe It flow to the waste water chamber of lid and then flows into waste line 800 and discharge, pure water enters the pure water that DI flow to bottle body bottom Chamber and then inflow pure water pipeline are 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 the waste pipe of multiple spaced settings, and multiple waste pipes are arranged around the DI Cloth；Multiple reverse osmosis membrane groups are set around the central tube group；First end cap and second end cap are covered on respectively The two ends of the length direction of the multiple reverse osmosis membrane group and the central tube group, and respectively with the multiple reverse osmosis membrane Group is tightly connected；The first end is covered with the waste water discharge opening being connected with the waste pipe；Second end cap be provided with The pure water outlet that the DI is connected；

Shell, the shell includes bottle and is covered on the lid of the bottle；The membrane component is installed in the shell, institute State lid to dock with first end cap, the lid is provided with the waste water chamber and raw water chamber connected with outside water route respectively, described Waste water chamber is connected with waste water discharge opening sealing, and the space between the raw water chamber and the membrane component and the bottle connects It is logical；The bottle is docked with second end cap, and the bottle is provided with the pure water chamber that connect with outside water route, the pure water chamber with The pure water outlet 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 is N number of, and N is more than or waited In 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 each described one side surface of waste pipe correspondence is set.

4. counter-infiltration filter core as claimed in claim 1, it is characterised in that the lid includes roof and the side from the roof Along the cover rim extended towards the bottle, the inner surface of the roof is convexly equipped with first annular muscle, the first annular muscle it is interior Perisporium, which encloses, to be set to form the waste water chamber, and periphery wall and the cover rim of the first annular muscle enclose jointly to be set to form the raw water Chamber；The surface of first end cap towards the waste pipe, which is convexly equipped with many, to be stretched into the waste pipe and to be connected with the waste pipe First stretch into pipe, the first end cap is provided with the first connecting tube towards the surface of the lid, and many described first are stretched into pipe difference Connected with first connecting tube, first connecting tube is stretched into the waste water chamber and supported with the first annular muscle sealing Connect, first connecting tube constitutes the waste water discharge opening 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 inwardly convexly equipped with the second annular Muscle, the internal perisporium of the described second annular muscle, which encloses, to be set to form the pure water chamber；Second end cap is towards the surface of the DI It is convexly equipped with and stretches into second connected in the DI with the DI and stretch into pipe, the second end cap is towards the surface of the lid Provided with the second connecting tube, described second stretches into pipe connects with second connecting tube, and second connecting tube stretches into the pure water Sealed against in chamber and with the described second annular muscle, second connecting tube constitutes described pure towards the mouth of pipe of the bottle body bottom Water outlet.

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 overlaps and circumferentially winds the central tube group jointly；Formed between same reverse osmosis membrane front interlayer into Water flow passage；Production water flow passage is formed between the reverse side interlayer of the two neighboring reverse osmosis membrane；The water inlet flow-guiding screen and described Waste pipe is located in water inlet flow channel, and 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 lid, the waste line and institute The waste water chamber for stating lid is connected, and the pure water pipeline is connected with the pure water chamber of the bottle.

9. such as claim 8 reverse osmosis purified water system, it is characterised in that the inlet pipeline is sequentially provided with preposition along water inlet direction Composite filter element, water intaking valve and booster pump；The pure water pipeline along water outlet direction be sequentially provided with rearmounted granulated carbon filter core, check valve and High-voltage switch gear, the waste line is provided with wastewater valve；The reverse osmosis purified water system also includes discharging device, the water outlet dress Put and be 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.