CN209221882U - Filter core and water purifier - Google Patents

Abstract

The utility model provides a kind of filter core and water purifier, is related to the technical field of filter core, which includes shell and the membrane module that is fixedly arranged in shell, and the inside of shell is divided into inner cavity and exocoel by membrane module.The raw water inlet being connected to inner cavity is provided on shell, the wastewater effluent mouth being connected to inner cavity and the purified water water outlet being connected to exocoel.The first end of membrane module is connected to raw water inlet, and second end is connected to wastewater effluent mouth.After raw water is entered by the first end of membrane module, a part is able to enter in exocoel after membrane module filters, and another part is discharged after membrane module by wastewater effluent mouth.When the filter core and water purifier alleviate water purifier shutdown in the prior art; reverse osmosis membrane is immersed in always in the mixed liquor of raw water and waste water; many salinities and heavy metal ion penetrate into out in the collector pipe of pure water; after causing water purifier to shut down a period of time; when being switched on again, the technical issues of clean-up performance of the first glass of water connect is difficult to ensure.

Description

Filter core and water purifier

Technical field

The utility model relates to the technical fields of filter core, more particularly, to a kind of filter core and water purifier.

Background technique

Water purifier is also water purifier, water purifier, is to carry out depth-type filtration, purification to water quality by the requirement to water The water treatment facilities of processing.

In the prior art, reverse osmosis membrane filter element used in water purifier is to be collected by the collector pipe in center and pure water is discharged.And Water purifier shut down when, reverse osmosis membrane is immersed in always in the mixed liquor of raw water and waste water, can make many salinities and heavy metal from Son penetrates into out in the collector pipe of pure water, after causing water purifier to shut down a period of time, then when being switched on, first glass of water connecing it is clear Clean degree is difficult to ensure.

Utility model content

First of the utility model is designed to provide a kind of filter core, is stopped with alleviating water purifier existing in the prior art When machine, reverse osmosis membrane is immersed in always in the mixed liquor of raw water and waste water, and many salinities and heavy metal ion penetrate into out pure water Collector pipe in, after causing water purifier to shut down a period of time, then when being switched on, what the clean-up performance of the first glass of water connect was difficult to ensure Technical problem.

Filter core provided by the utility model includes shell and the membrane module that is fixedly arranged in the shell, and the membrane module is by institute The inside for stating shell is divided into inner cavity and exocoel；Be provided on the shell raw water inlet in communication with the inner cavity, with it is described The wastewater effluent mouth of inner cavity connection and the purified water water outlet being connected to the exocoel；

The first end of the membrane module is connected to the raw water inlet, and second end is connected to the wastewater effluent mouth；It is former After water is entered by the first end of the membrane module, a part is able to enter in the exocoel after membrane module filtering, another Part is discharged after the membrane module by the wastewater effluent mouth.

Further, the membrane module includes film page unit of the tight enclosure at column structure, and the film page unit has Open portion, the opening portion are located at the second end of the membrane module.

Further, the film page unit unfolded state Shi Weisan banding closes quadrilateral structure open on one side, described spacious Oral area includes the open side of the quadrilateral structure.

Further, the film page unit includes first through the of hydrographic net, the primary diaphragm of quadrangle and quadrangle Two diaphragms, the primary diaphragm three while with the secondary diaphragm three while it is affixed constitute the quadrilateral structure, described first It is fixedly arranged between the primary diaphragm and the secondary diaphragm through hydrographic net.

Further, the primary diaphragm includes RO film or sodium filter membrane, and/or, the secondary diaphragm include RO film or Person's sodium filter membrane.

Further, the film page unit includes second through hydrographic net and rectangular third diaphragm, the third diaphragm Including symmetrically arranged first and second, first both sides are correspondingly connected with second both sides, are constituted Open quadrilateral structure on one side, described second through hydrographic net is fixedly arranged on described first and described between second.

Further, the third diaphragm includes RO film or sodium filter membrane.

Further, including center fixing piece and multiple film page units, each film page unit tight enclosure is in institute It states on the fixing piece of center；

One side adjacent with open portion is arranged in the outer weekly interval of the center fixing piece on each film page unit.

Further, raw water flow-guiding screen is provided between the adjacent two film page units.

Further, including water outlet transition piece, the first end of the water outlet transition piece are placed on the second of the membrane module admittedly The second end at end, the water outlet transition piece is connected to and affixed with the wastewater effluent mouth, and the second end for being discharged transition piece Size be less than the membrane module second end size.

Further, the center fixing piece includes central tube or the solid body of rod.

Filter core provided by the utility model having the beneficial effect that compared with prior art

Filter core provided by the utility model includes shell and the membrane module that is fixedly arranged in shell, and membrane module is by the inside of shell It is divided into inner cavity and exocoel；The raw water inlet being connected to inner cavity is provided on shell, the wastewater effluent mouth that is connected to inner cavity and The purified water water outlet being connected to exocoel；The first end of membrane module is connected to raw water inlet, and second end and wastewater effluent mouth connect It is logical；After raw water is entered by the first end of membrane module, a part is able to enter in exocoel after membrane module filters, and another part is through film It is discharged after component by wastewater effluent mouth.In filter core provided by the utility model, exocoel be purified water accommodating space, with raw water it Between phase diaphragm assembly, water purifier shutdown after, the overwhelming majority of membrane module is also to be soaked in purified water, thus be more advantageous to guarantor Demonstrate,prove the clean-up performance of first glass of water after water purifier is switched on.

Second of the utility model is designed to provide a kind of water purifier, to alleviate water purifier existing in the prior art When shutdown, reverse osmosis membrane is immersed in always in the mixed liquor of raw water and waste water, and many salinities penetrate into out pure with heavy metal ion In the collector pipe of water, after causing water purifier to shut down a period of time, then when being switched on, the clean-up performance of the first glass of water connect is difficult to ensure The technical issues of.

Water purifier provided by the utility model includes filter core described in control chip and above content, and in the filter core Water inlet is provided with water inlet control valve on water route, is provided with draining control valve on the waste water water drain road of the filter core, it is described into Water control valve and the draining control valve are connect with the control chip；

The water purifier further includes the high-voltage switch gear for detecting the pressure data of the purified water water outlet, the high pressure Switch is connect with the control chip, and the control chip receives the pressure data that the high-voltage switch gear is sent, and in the pressure When force data reaches preset threshold, controls the water inlet control valve and close；The draining control valve is normally opened.

Water purifier provided by the utility model having the beneficial effect that compared with prior art

Water purifier provided by the utility model is provided with above-mentioned filter core, and purified water is stored in exocoel, the phase between raw water Diaphragm assembly, on the one hand, the beneficial effect that above-mentioned filter core can reach can be reached；On the other hand, when purified water is put in stopping When, the pressure of purified water can gradually rise in filter core, when the pressure in filter core increases to preset threshold, trigger the high pressure of water purifier When switching generation movement, water inlet control valve is closed, and draining control valve be it is normally opened, this makes the hydraulic pressure of filter core water inlet end and useless The pressure of water end (W.E.) drops to zero, so that purified water inverse osmosis is passed through membrane module and flows to wastewater effluent mouth, so as to shape Back flush at purified water to film in filter core, middle flushing water is more preferable along film surface scouring effect compared with the prior art, more The cleaning for advantageously ensuring that film surface is more favorable to extend the service life of filter core.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is that water flow of the filter core that provides of the utility model embodiment one in backwash moves towards schematic diagram (arrow in figure Direction represents the flow direction of water)；

Fig. 2, which is the filter core that provides of the utility model embodiment one, moves towards schematic diagram (arrow in figure in normal water flow during water production Head direction represents the flow direction of water)；

Fig. 3 is structural schematic diagram (arrow direction generation in figure of membrane module in the filter core that provides of the utility model embodiment one The flow direction of table water).

Icon: 1- shell；2- membrane module；3- raw water flow-guiding screen；4- is discharged transition piece；5- water inlet transition piece；11- Purified water water outlet；12- raw water inlet；13- wastewater effluent mouth；14- exocoel；The center 21- fixing piece；22- film page Unit；221- first penetrates hydrographic net；222- primary diaphragm；223- secondary diaphragm.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Embodiment one

As depicted in figs. 1 and 2, filter core provided in this embodiment includes shell 1 and the membrane module 2 that is fixedly arranged in shell 1, film The inside of shell 1 is divided into inner cavity and exocoel 14 by component 2；Be provided on shell 1 raw water inlet 12 being connected to inner cavity, with it is interior The wastewater effluent mouth 13 of chamber connection and the purified water water outlet 11 being connected to exocoel 14；The first end and raw water of membrane module 2 into The mouth of a river 12 is connected to, and second end is connected to wastewater effluent mouth 13；After raw water is entered by the first end of membrane module 2, a part is through film group Part 2 is able to enter in exocoel 14 after filtering, and another part is discharged after membrane module 2 by wastewater effluent mouth 13.

In filter core provided in this embodiment, exocoel is the accommodating space of purified water, phase diaphragm group between the space and raw water Part, after water purifier shutdown, the overwhelming majority of membrane module is also to be soaked in purified water, thus be more advantageous to and guarantee that water purifier is opened The clean-up performance of first glass of water after machine.

The inner cavity mentioned in the present embodiment can be understood as the water space capacity in membrane module 2.

Specifically, shell 1 may include the first shell and second shell being threadedly coupled, purified water water outlet 11 can be with Raw water inlet 12 is set to the same end of shell 1.Moreover it is evident that raw water inlet 12 and wastewater effluent mouth 13 be not direct It is connected to exocoel 14.

The purified water mentioned in the present embodiment can be pure water.

In the optional technical solution of the present embodiment, membrane module 2 includes film page unit 22 of the tight enclosure at column structure, film Page unit 22 has opening portion, and open portion is located at the second end of membrane module 2.

Raw water is entered by the first end of column structure, and a part passes through the filtering of film page unit 22, another into exocoel 14 Part is discharged by wastewater effluent mouth 13.Water cannot be passed in and out from closed three side, can only be seeped by the upper and lower surface of film page unit 22 It penetrates into film page unit 22, waste water is discharged from open portion, and open portion can be referred to as film page outlet edge.

Further, membrane module 2 includes the permeable guard member for being placed on the periphery of film page unit 22 admittedly.

Permeable guard member is placed on the periphery of column structure admittedly, on the one hand, constraint can be played the role of to film page unit 22, Prevent film page unit 22 from scattering；On the other hand, it is capable of increasing the intensity of membrane module 2, extends the service life of membrane module 2.

In the optional technical solution of the present embodiment, 22 unfolded state Shi Weisan banding of film page unit closes four open on one side sides Shape structure, open portion include the open side of quadrilateral structure.

Specifically, square structure open on one side can be closed when film page 22 unfolded state of unit for three bandings；Film page unit 22 closed three ends can be closed by gluing；Permeable guard member can be permeable protective film.

As shown in figure 3, filter core includes first through hydrographic net 221, quadrangle in the optional technical solution of the present embodiment The secondary diaphragm 223 of primary diaphragm 222 and quadrangle, primary diaphragm 222 three while with secondary diaphragm 223 three while affixed composition Quadrilateral structure, first is fixedly arranged between primary diaphragm 222 and secondary diaphragm 223 through hydrographic net 221.

Setting first penetrates hydrographic net 221 between primary diaphragm 222 and secondary diaphragm 223, and first penetrates hydrographic net 221 For separating primary diaphragm 222 and secondary diaphragm 223, it can prevent primary diaphragm 222 and secondary diaphragm 223 from inhaling and together The case where occur.

Specifically, the three of primary diaphragm 222 while with secondary diaphragm 223 three while can be what gluing was connect, first penetrate Hydrographic net 221 is also possible to be fixed on by way of gluing between primary diaphragm 222 and secondary diaphragm 223.Primary diaphragm 222 and secondary diaphragm 223 all can be square or rectangle.

In the optional technical solution of the present embodiment, primary diaphragm 222 includes RO film or sodium filter membrane, and/or, secondary diaphragm 223 include RO film or sodium filter membrane.

It should be noted that primary diaphragm 222 and secondary diaphragm 223 can be RO film or sodium filter membrane, but it is not limited to RO film or sodium filter membrane.

In the optional technical solution of the present embodiment, film page unit 22 includes second through hydrographic net and rectangular tertiary membrane Piece, third diaphragm include symmetrically arranged first and second, first both sides and the affixed composition in both sides with second Open quadrilateral structure on one side, second is fixedly arranged between first and second through hydrographic net.

Setting second penetrates hydrographic net between first and second, and second is used to separate first through hydrographic net With second, can prevent first with second inhale and together the case where appearance.

Specifically, first both sides can be what gluing was connect with second both sides, second can also through hydrographic net By be by gluing in a manner of be fixed between first and second.First and second all can be square or Rectangle.

In the optional technical solution of the present embodiment, third diaphragm includes RO film or sodium filter membrane.

It should be noted that third diaphragm perhaps sodium filter membrane but can be not limited to RO film or sodium filter membrane for RO film.

In the optional technical solution of the present embodiment, filter core includes center fixing piece 21 and multiple film page units 22, each film page 22 tight enclosure of unit is on center fixing piece 21；One side adjacent with open portion is in center fixing piece 21 on each film page unit 22 Outer weekly interval setting.

Filter core includes multiple film page units 22, and water purification efficiency is higher.

Center fixing piece 21 can be straight rod piece.

In the optional technical solution of the present embodiment, raw water flow-guiding screen 3 is provided between two adjacent film page units 22.

In the optional technical solution of the present embodiment, filter core includes water outlet transition piece 4, and the first end of water outlet transition piece 4 covers admittedly In 2 second end of membrane module, the second end for being discharged transition piece 4 is connected to and affixed with wastewater effluent mouth 13, and the of water outlet transition piece 4 The size at two ends is less than the size of the second end of membrane module 2.

The size for being discharged the second end of transition piece 4 is less than membrane module 2 in the size at the end, is conducive to make to protect in membrane module 2 Certain hydraulic pressure is held, advantageously ensures that the filter efficiency of membrane module 2.

In the optional technical solution of the present embodiment, filter core includes water inlet transition piece 5, and the first end of water inlet transition piece 5 covers admittedly In the first end of membrane module 2, the second end for transition piece 5 of intaking is connected to and affixed with raw water inlet 12, and water inlet transition piece 5 The size of second end is less than membrane module 2 in the size at the end.

Water outlet transition piece 4 and transition piece 5 of intaking are conducive to maintain the shape of membrane module 2, it is made to be not easy to scatter.

In the optional technical solution of the present embodiment, center fixing piece 21 includes central tube or the solid body of rod.

In normal water processed, raw water enters filter core provided in this embodiment from raw water inlet 12, first from the of membrane module 2 One end enters in membrane module 2, and the pure water in subsequent raw water is reverse osmosis to be entered in film page unit 22, by raw water flow-guiding screen 3 to film The outer surface of component 2 is flowed out, and is drunk into exocoel 14 for releasing.The objects such as heavy metal ion, salt in raw water are trapped film page Unit 22 retains, and by the longitudinal flow of raw water, is discharged from wastewater effluent mouth 13.

Embodiment two

Water purifier provided in this embodiment includes the filter core for controlling chip and the offer of embodiment one, and in the water inlet water of filter core Road is provided with water inlet control valve, is provided with draining control valve, water inlet control valve and draining on the waste water water drain road of filter core Control valve is connect with control chip；Water purifier further includes that the height for detecting the pressure data of purified water water outlet 11 presses off It closes, high-voltage switch gear is connect with control chip, and control chip receives the pressure data that high-voltage switch gear is sent, and reaches in pressure data When preset threshold, control water inlet control valve is closed.Draining control valve is normally opened.

Filter core is the critical component in water purifier, and clean-up performance directly affects the clean-up performance for the water produced, so Being rinsed to filter core is necessary.However, in the prior art, the RO filter core that water purifier uses is when rinsing, only Flushing water is washed away along the surface of the film of filter core, and flushing effect is bad, not can guarantee the cleaning of film surface, not only be will affect The performance and service life of film, are difficult to ensure the cleaning for the water produced.

Water purifier provided in this embodiment is provided with the filter core of the offer of embodiment one, and purified water is stored in exocoel 14, and one Aspect can reach the beneficial effect that the filter core of the offer of embodiment one can reach；On the other hand, membrane module 2 impregnates always In purified water, along with automatic backwash film surface is shut down, can reduce film surface concentration polarization and film surface has salt crystallization Body blocks the problem of fenestra, and film is allowed to be in a good working environment.Specifically, when stopping putting purified water, in filter core The pressure of purified water can gradually rise, and when the pressure in filter core increases to preset threshold, the high-voltage switch gear for triggering water purifier is generated When movement, water inlet control valve close, and draining control valve be it is normally opened, this make filter core water inlet end hydraulic pressure and waste water end pressure Power drops to zero, so that purified water inverse osmosis is passed through membrane module 2 and flows to wastewater effluent mouth 13, so as to form purified water Back flush to film in filter core, middle flushing water is more preferable along film surface scouring effect compared with the prior art, is more advantageous to guarantor The cleaning for demonstrate,proving film surface is more favorable to extend the service life of filter core.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of filter core, which is characterized in that including shell (1) and the membrane module (2) being fixedly arranged in the shell (1), the film The inside of the shell (1) is divided into inner cavity and exocoel (14) by component (2)；It is provided on the shell (1) and connects with the inner cavity Logical raw water inlet (12), wastewater effluent mouth in communication with the inner cavity (13) and the purification being connected to the exocoel (14) Water water outlet (11)；

The first end of the membrane module (2) is connected to the raw water inlet (12), second end and the wastewater effluent mouth (13) Connection；After raw water is entered by the first end of the membrane module (2), a part is able to enter institute after the membrane module (2) filtering It states in exocoel (14), another part is discharged after the membrane module (2) by the wastewater effluent mouth (13).

2. filter core according to claim 1, which is characterized in that the membrane module (2) includes tight enclosure into column structure Film page unit (22), the film page unit (22) have opening portion, the opening portion is located at the second of the membrane module (2) End.

3. filter core according to claim 2, which is characterized in that film page unit (22) the unfolded state Shi Weisan banding closes Open quadrilateral structure on one side, the opening portion includes the open side of the quadrilateral structure.

4. filter core according to claim 3, which is characterized in that the film page unit (22) includes first through hydrographic net (221), the secondary diaphragm (223) of the primary diaphragm (222) of quadrangle and quadrangle, three sides of the primary diaphragm (222) with Three sides of the secondary diaphragm (223) are affixed to constitute the quadrilateral structure, and described first is fixedly arranged on institute through hydrographic net (221) It states between primary diaphragm (222) and the secondary diaphragm (223).

5. filter core according to claim 4, which is characterized in that the primary diaphragm (222) includes RO film or sodium filter membrane, And/or the secondary diaphragm (223) includes RO film or sodium filter membrane.

6. filter core according to claim 3, which is characterized in that the film page unit (22) include second through hydrographic net and Rectangular third diaphragm, the third diaphragm include symmetrically arranged first and second, first both sides and institute State second both sides to be correspondingly connected with, constitute quadrilateral structure open on one side, described second be fixedly arranged on through hydrographic net it is described First and described between second.

7. according to the described in any item filter cores of claim 2-6, which is characterized in that including center fixing piece (21) and multiple institutes Film page unit (22) is stated, each film page unit (22) tight enclosure is on the center fixing piece (21)；

One side adjacent with open portion is arranged in the outer weekly interval of the center fixing piece (21) on each film page unit (22).

8. filter core according to claim 7, which is characterized in that be provided between the film page unit (22) of adjacent two Raw water flow-guiding screen (3).

9. filter core according to claim 1-6, which is characterized in that including being discharged transition piece (4), the water outlet The first end of transition piece (4) is placed on the second end of the membrane module (2) admittedly, the second end of water outlet transition piece (4) with it is described Wastewater effluent mouth (13) connection is simultaneously affixed, and the size of the second end of water outlet transition piece (4) is less than the membrane module (2) The size of second end.

10. a kind of water purifier, which is characterized in that including control chip and the described in any item filter cores of claim 1-9, and It is provided with water inlet control valve on the water inlet water route of the filter core, is provided with draining control on the waste water water drain road of the filter core Valve, the water inlet control valve and the draining control valve are connect with the control chip；

The water purifier further includes the high-voltage switch gear for detecting the pressure data of the purified water water outlet (11), the high pressure Switch is connect with the control chip, and the control chip receives the pressure data that the high-voltage switch gear is sent, and in the pressure When force data reaches preset threshold, controls the water inlet control valve and close；The draining control valve is normally opened.