CN210367217U - Compound filter element group spare and water purification system - Google Patents
Compound filter element group spare and water purification system Download PDFInfo
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- CN210367217U CN210367217U CN201921250909.7U CN201921250909U CN210367217U CN 210367217 U CN210367217 U CN 210367217U CN 201921250909 U CN201921250909 U CN 201921250909U CN 210367217 U CN210367217 U CN 210367217U
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Abstract
The utility model provides a compound filter element group spare and water purification system, compound filter element group spare includes: the device comprises a bottle body (604) and more than five stages of filter elements arranged in the bottle body (604), wherein the filter elements comprise a first-stage pretreatment filter element (201), a second-stage pretreatment filter element (202), a fine filtration filter element (203), a first-stage post-treatment filter element (204) and a second-stage post-treatment filter element (205); along the flowing direction of the fluid, the fluid passes through the first stage pretreatment filter element (201), the second stage pretreatment filter element (202), the fine filtering filter element (203), the first stage post-treatment filter element (204) and the second stage post-treatment filter element (205) in sequence to be filtered. Through the utility model discloses the filter core collects five levels of filtering capability integratively, can also make filter element group spare and even purifier volume miniaturization when can improving the filter effect, has matchd the life-span of each filter core during the design, can also solve the problem of frequently trading the core.
Description
Technical Field
The utility model belongs to the technical field of the water purification, concretely relates to compound filter element group spare and water purification system.
Background
In recent years, the small volume of the water purifier becomes an industry development trend, and more multi-stage composite filter elements are used on products. However, most of the existing composite filter elements are two-stage composite and three-stage composite, and compared with the traditional water purifier containing a single-stage filter element, the volume of the composite filter element is obviously reduced. However, if the multi-stage filter element of the filter element composite water purifier can play a purifying role, the volume of the water purifier can be further reduced.
Because the purifier among the prior art exists and to add multistage filtration but lead to the volume great, and exist when each filter core exclusive use to trade the core cycle inconsistent and bring frequently technical problem such as core changing in order to guarantee the filter effect, consequently the utility model discloses study design a compound filter element group spare and water purification system.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that can also reduce the space volume when the purifier among the prior art exists the more excellent filter effect of unable assurance to a compound filter element group spare and water purification system are provided.
The utility model provides a compound filter element group spare, it includes:
the filter comprises a bottle body and more than five stages of filter elements arranged in the bottle body, wherein the filter elements comprise a first-stage pretreatment filter element, a second-stage pretreatment filter element, a fine filtration filter element, a first-stage post-treatment filter element and a second-stage post-treatment filter element; along the flowing direction of the fluid, the fluid passes through the first-stage pretreatment filter element, the second-stage pretreatment filter element, the fine filtering filter element, the first-stage post-treatment filter element and the second-stage post-treatment filter element in sequence to be filtered.
Preferably, the first and second electrodes are formed of a metal,
the first-stage pretreatment filter element is made of PP cotton; and/or the second stage pretreatment filter element (202) is a sintered carbon rod; and/or the fine filtering filter element is a roll type reverse osmosis filter element or a roll type nanofiltration filter element; and/or the first-stage post-treatment filter element is a sintered carbon rod; and/or the material of the second-stage post-treatment filter element is a micro-filtration membrane and/or an ultrafiltration membrane.
Preferably, the first and second electrodes are formed of a metal,
the first-stage pretreatment filter element and the second-stage pretreatment filter element are located at the same height and are arranged inside and outside, and the first-stage pretreatment filter element is sleeved outside the second-stage pretreatment filter element.
Preferably, the first and second electrodes are formed of a metal,
meticulous filter core is located first order preliminary treatment filter core or the top of second level preliminary treatment filter core, just first order aftertreatment filter core is overlapped and is located the inside of meticulous filter core, second level aftertreatment filter core is overlapped and is located the inside of meticulous filter core, and be located the top of first order aftertreatment filter core.
Preferably, the first and second electrodes are formed of a metal,
the fine filtering device is characterized in that a central pipe is further arranged inside the fine filtering filter element and outside the first-stage post-treatment filter element and the second-stage post-treatment filter element, and a first guide groove is formed in the outer wall surface of the central pipe, so that fluid penetrates into the first guide groove through the fine filtering filter element and is guided.
Preferably, the first and second electrodes are formed of a metal,
the first-stage aftertreatment filter element and the second-stage aftertreatment filter element are arranged in the fifth cavity, the first guide groove extends along the axial direction of the central tube in a straight line or a curve mode, and the first guide groove is not communicated with the fifth cavity.
Preferably, the first and second electrodes are formed of a metal,
the lower end of the first guide groove is further communicated with a second guide groove, the second guide groove is arranged between the inner wall and the outer wall of the central tube, and the other end of the second guide groove is communicated with the lower end of the central tube to be communicated with the fifth cavity.
Preferably, the first and second electrodes are formed of a metal,
the first stage aftertreatment cartridge has a seventh cavity therein, and fluid in the fifth cavity permeates into the seventh cavity through the first stage aftertreatment cartridge.
Preferably, the first and second electrodes are formed of a metal,
the seventh cavity in the first-stage post-treatment filter element is communicated with the second-stage post-treatment filter element upwards, a pure water outlet is formed in the top end of the bottle body, and the upper end of the second-stage post-treatment filter element is communicated with the pure water outlet.
Preferably, the first and second electrodes are formed of a metal,
the bottle top still is provided with the dense water export, the meticulous upper end of filtering the filter core with form the ninth cavity between the bottle, just dense water export communicates with ninth cavity.
Preferably, the first and second electrodes are formed of a metal,
the bottom end of the bottle body is provided with a first connecting end cover for sealing the lower end of the bottle body, and the first connecting end cover is provided with a water inlet; and/or a second connecting end cover is further arranged at the bottom end of the first-stage pretreatment filter element and the second-stage pretreatment filter element, the second connecting end cover is fixedly arranged on the bottle body and/or the first connecting end cover, a chaste tree is arranged on the outer wall of the second connecting end cover, and a space allowing fluid to flow through is formed between the second connecting end cover and the inner wall of the bottle body; and/or the top ends of the first-stage pretreatment filter element and the second-stage pretreatment filter element are also provided with third connecting end covers.
When a center tube is also included:
and/or a fourth connecting end cover is further arranged at the bottom end of the central pipe, and a gap is formed between the bottom end of the central pipe and the fourth connecting end cover; and/or a fifth connecting end cover is arranged between the first-stage aftertreatment filter element and the second-stage aftertreatment filter element, and a channel allowing fluid to flow is arranged in the middle of the fifth connecting end cover.
Preferably, the first and second electrodes are formed of a metal,
a first sealing element is arranged in the water inlet; and/or a second sealing element is arranged between the third connecting end cover and the inner wall of the bottle body; and/or a third sealing element is arranged between the outer peripheral wall of the central pipe and the inner peripheral wall of the fourth connecting end cover; and/or a fourth sealing element is arranged between the top end of the first-stage aftertreatment filter element and the inner wall of the central tube; and/or a fifth sealing element is arranged between the upper part of the fine filtering filter element and the inner wall of the bottle body; and/or a second post-treatment bottle body is arranged between the second-stage post-treatment filter element and the central pipe, and a sixth sealing element is arranged on the outer wall of the upper end of the second post-treatment bottle body; and/or a seventh sealing element is arranged between the central tube and the pure water outlet of the bottle body.
Preferably, the first and second electrodes are formed of a metal,
a first cavity is formed between the second connecting end cover and the first connecting end cover; and/or a second cavity is formed between the second connecting end cover and the second sealing element; and/or the interior of the second-stage pretreatment filter element is provided with a third cavity extending vertically upwards; and/or a fourth cavity is arranged between the second sealing element and the fifth sealing element; and/or the gap between the bottom end of the central tube and the fourth connecting end cover is a sixth cavity; and/or an eighth cavity is formed between the top end of the second-stage aftertreatment filter element and the central tube.
The utility model also provides a water purification system, it includes preceding arbitrary compound filter element group spare.
Preferably, including water inlet pipe way, pure water pipeline and waste water pipeline, when compound filter element group spare includes water inlet, dense water export and pure water export simultaneously, water inlet pipe way with the water inlet links to each other, pure water pipeline with the pure water export links to each other, waste water pipeline with the dense water export links to each other, just be provided with pump and water intaking valve on the water inlet pipe way, be provided with the waste water valve on the waste water pipeline, be provided with the pure water valve on the pure water pipeline.
The utility model provides a pair of compound filter element group spare and water purification system has following beneficial effect:
the utility model arranges more than five stages of filter elements in the bottle body, and the fluid passes through the first stage pretreatment filter element, the second stage pretreatment filter element, the fine filtration filter element, the first stage post-treatment filter element and the second stage post-treatment filter element in sequence along the flowing direction of the fluid to be filtered, and the integral composite filter element, it comprises five stages of filter elements, can be independently used on the water purifier to play a purification function, and compared with the prior single-stage filter element or two-stage, three-stage or even four-stage filter elements, the five-stage filtering effect can be realized in one bottle body, the filtering effect can be effectively improved, and meanwhile, the filter element assembly and the water purifier can be miniaturized in size, the filter element integrates the five-stage filtering function, the service life of each filter element is matched during design, and the size is considered, so that the size is not large, and the size is smaller than that of a single filter element;
and set up the filter core in through a bottle, it is integrative that the five-stage filtering function of effective collection, the life-span of each filter core has been matchd during the design, compare in single-stage filter core or second grade, life-span between the bottle of tertiary even level four filter core does not match and leads to trading the inconsistent problem in core cycle, bring the frequent problem of trading the core, the life of the inside filter core of bottle is all unanimous basically when changing inside filter core, consequently, trade the core cycle unanimous, an organic whole trade the core, the frequent problem of trading that the inconsistent core cycle of trading that exists when effectively avoiding each filter core exclusive use brought.
Drawings
FIG. 1 is a schematic view of the three-dimensional internal structure (flow path direction) of the composite filter element assembly of the present invention and the structures of the filter element portion and the central tube, etc. are marked;
FIG. 2 is a schematic perspective internal view of the composite filter element assembly of FIG. 1 with the seal portion and cavity portion labeled;
fig. 3 is a partially enlarged structural view of a portion C in fig. 2;
FIG. 4 is a schematic view of the external structure of the composite filter element assembly of the present invention;
fig. 5 is a schematic view of the composite filter element waterway structure with the composite filter element assembly of the present invention.
The reference numbers in the figures denote:
10. a composite filter element; 200. a filter element; 201. a first stage pretreatment filter element; 202. a second stage pre-treatment filter element; 203. a fine filtration filter element; 204. a first stage post-treatment filter element; 205. a second stage post-treatment filter element; 301. a first seal member; 302. a second seal member; 303. a third seal member; 304. a fourth seal member; 305. a fifth seal member; 306. a sixth seal member; 307. a seventh seal member; 401. a first connecting end cap; 402. a second connecting end cap; 403. a third connecting end cap; 404. a fourth connecting end cap; 405. a fifth connecting end cover; 501. a first cavity; 502. a second cavity; 503. a third cavity; 504. a fourth cavity; 505. a fifth cavity; 506. a sixth cavity; 507. a seventh cavity; 508. an eighth cavity; 509. a ninth cavity; 602. a central tube; 603. a second post-treatment bottle body; 604. a bottle body; 701. a water inlet; 702. a concentrated water outlet; 703. a pure water outlet; 704. a handle; 801. a water inlet valve; 802. a pump; 804. a water outlet valve 805; a faucet switch; 806. a gooseneck faucet; 807. a waste water valve.
Detailed Description
As shown in fig. 1-5, the present invention provides a composite filter element assembly, comprising:
the device comprises a bottle body 604 and more than five stages of filter elements arranged in the bottle body 604, wherein the filter elements comprise a first-stage pretreatment filter element 201, a second-stage pretreatment filter element 202, a fine filtration filter element 203, a first-stage post-treatment filter element 204 and a second-stage post-treatment filter element 205; the fluid passes through the first stage pretreatment filter element 201, the second stage pretreatment filter element 202, the fine filtration filter element 203, the first stage post-treatment filter element 204, and the second stage post-treatment filter element 205 in this order along the flow direction of the fluid, and is filtered.
The utility model arranges more than five stages of filter elements in the bottle body, and the fluid passes through the first stage pretreatment filter element, the second stage pretreatment filter element, the fine filtration filter element, the first stage post-treatment filter element and the second stage post-treatment filter element in sequence along the flowing direction of the fluid to be filtered, and the integral composite filter element, it comprises five stages of filter elements, can be independently used on the water purifier to play a purification function, and compared with the prior single-stage filter element or two-stage, three-stage or even four-stage filter elements, the five-stage filtering effect can be realized in one bottle body, the filtering effect can be effectively improved, and meanwhile, the filter element assembly and the water purifier can be miniaturized in size, the filter element integrates the five-stage filtering function, the service life of each filter element is matched during design, and the size is considered, so that the size is not large, and the size is smaller than that of a single filter element;
and set up the filter core in through a bottle, it is integrative that the five-stage filtering function of effective collection, the life-span of each filter core has been matchd during the design, compare in single-stage filter core or second grade, life-span between the bottle of tertiary even level four filter core does not match and leads to trading the inconsistent problem in core cycle, bring the frequent problem of trading the core, the life of the inside filter core of bottle is all unanimous basically when changing inside filter core, consequently, trade the core cycle unanimous, an organic whole trade the core, the frequent problem of trading that the inconsistent core cycle of trading that exists when effectively avoiding each filter core exclusive use brought.
Preferably, the first and second electrodes are formed of a metal,
the first-stage pretreatment filter element 201 is made of PP cotton (preferably, PP cotton sprayed and melted, PP folded and the like); and/or the second-stage pretreatment filter element 202 is a sintered carbon rod; and/or the fine filtering filter element 203 is a roll type reverse osmosis filter element or a roll type nanofiltration filter element; and/or the first-stage post-treatment filter element 204 is a sintered carbon rod; and/or the material of the second stage post-treatment filter element 205 is a microfiltration membrane and/or an ultrafiltration membrane.
The first-stage pretreatment filter element 201 can be spray-melted PP cotton or folded paper PP cotton, and mainly plays a role in first-stage filtration to remove large suspended matters, silt, rust and other pollutants in a water body; the second-stage pretreatment filter element 202 can be a sintered carbon rod and mainly has the function of adsorbing and removing residual chlorine, micromolecular organic matters and the like in the water body; the fine filtering filter element 203 can be a roll type reverse osmosis filter element or a roll type nanofiltration filter element, and has the function of fine filtering, so that heavy metal ions, micromolecular organic matters and the like in the water body can be removed, and the deep purification of the water body is realized; the first-stage post-treatment filter element 204 can be a sintered carbon rod and is used for improving the water production taste of the fine filtration filter element 203; the second-stage post-treatment filter element 205 can be a microfiltration membrane, an ultrafiltration membrane and the like, and has the functions of preventing microorganisms in effluent from exceeding standards and ensuring the sanitation and safety of water.
Preferably, the first and second electrodes are formed of a metal,
the first-stage pretreatment filter element 201 and the second-stage pretreatment filter element 202 are located at the same height and are arranged inside and outside, and the first-stage pretreatment filter element 201 is sleeved outside the second-stage pretreatment filter element 202. Therefore, water flow enters the internal second-stage pretreatment filter element for treatment after being purified by the external first-stage pretreatment filter element, and the pretreatment or rough filtration before fine filtration is realized.
Preferably, the first and second electrodes are formed of a metal,
The layout form of the filter element structure is as follows: the first-stage pretreatment filter element 201 is wrapped or nested on the outer surface of the second-stage pretreatment filter element 202 to form an inner and outer structural layout; the rear three-stage filter element and the front two-stage pretreatment filter element are in an up-and-down structural layout; the two-stage post-treatment filter elements of the first-stage post-treatment filter element 204 and the second-stage post-treatment filter element 205 are filled in the central tube of the filter element of the fine filtration filter element 203; such structural layout can save the interior tubular construction who adopts among the prior art effectively, realizes following two-stage preliminary treatment filter core through a plurality of connection end covers and fixes the setting, realizes the fixed setting of meticulous filtration filter core and the fixed setting effect of two-stage aftertreatment filter core (including the ultrafiltration) through arranging of a plurality of connection end covers and center tube, has reduced the volume effectively, has realized the volume miniaturization.
Preferably, the first and second electrodes are formed of a metal,
a central tube 602 is further disposed inside the fine filter element 203 and outside the first-stage aftertreatment filter element 204 and the second-stage aftertreatment filter element 205, and a first guide groove a is disposed on an outer wall surface of the central tube 602, so that the fluid is guided after penetrating through the fine filter element 203 to the first guide groove a. Can handle the supporting role that filter core and meticulous filter core realized the center pin through the setting of center tube to back two-stage, and can also collect and produce water, and can make the water that meticulous filter core came can not directly get into the center tube insidely through first guide way, but along the direction of first guide way at the center tube outer wall, further strengthened the further filterable length of meticulous filter core like this and increased the filter length of the inside two-stage aftertreatment filter core of center tube, further effectively improved the filter effect.
Preferably, the first and second electrodes are formed of a metal,
the center tube 602 has a fifth cavity 505 inside, the first stage aftertreatment filter element 204 and the second stage aftertreatment filter element 205 are disposed in the fifth cavity 505, the first guide groove a extends along a straight line or a curved line in the axial direction of the center tube 602, and the first guide groove a does not communicate with the fifth cavity 505. This is the utility model discloses a preferred structural style of center tube, through the mode that first guide way A extends along the axis direction and does not communicate with the fifth cavity for inside water that comes from meticulous filter core can not directly get into the center tube, but along the lower part of first guide way at center tube outer wall direction to center tube, the further filterable length of meticulous filter core and the filtration length of having increased the inside two-stage aftertreatment filter core of center tube have been increased effectively like this, and make this filtration length maximize, the filter effect has further effectively been improved.
Preferably, the first and second electrodes are formed of a metal,
the lower end of the first guide groove a is further communicated with a second guide groove B, the second guide groove B is arranged between the inner wall and the outer wall of the central tube 602, and the other end of the second guide groove B is communicated with the lower end of the central tube 602 to be communicated with the fifth cavity 505. Through set up the second guide way rather than leading out the fifth cavity at first guide way lower extreme setting rather than communicating the second guide way and make the second guide way be located between the interior outer wall and the lower extreme communicates out the center tube, can be through the lower part of second guide way with the water direction that the first guide way came to the center tube and with it leading-in to the fifth cavity, further increased filter length to prevent that rivers from outwards leaking.
Preferably, the first and second electrodes are formed of a metal,
the interior of the first stage aftertreatment cartridge 204 has a seventh cavity 507, and fluid in the fifth cavity 505 permeates through the first stage aftertreatment cartridge 204 into the seventh cavity 507. Through set up the seventh cavity in first order aftertreatment filter core inside for water in the fifth cavity gets into and is filtered and purified and reentrant seventh cavity behind the first aftertreatment filter core, provides clean water for getting into second level aftertreatment filter core, makes the filter effect better.
Preferably, the first and second electrodes are formed of a metal,
the seventh cavity 507 inside the first-stage post-treatment filter element 204 is communicated with the second-stage post-treatment filter element 205 upwards, the top end of the bottle body 604 is provided with a pure water outlet 703, and the upper end of the second-stage post-treatment filter element 205 is communicated with the pure water outlet 703. And the water after passing through the fine filtering filter element flows out through the first-stage and second-stage post-treatment filter elements and is discharged from the top end to obtain pure water.
Preferably, the first and second electrodes are formed of a metal,
the top end of the bottle body 604 is further provided with a concentrated water outlet 702, a ninth cavity 509 is formed between the upper end of the fine filtering filter element 203 and the bottle body 604, and the concentrated water outlet 702 is communicated with the ninth cavity 509. And discharging the water which is filtered by the fine filtering element and is not filtered by the two-stage filtering element through the ninth cavity and a concentrated water outlet to obtain concentrated water (with high salt content and can not be introduced).
Preferably, the first and second electrodes are formed of a metal,
the bottom end of the bottle body 604 is provided with a first connecting end cover 401 for sealing the lower end of the bottle body 604, and the first connecting end cover 401 is provided with a water inlet 701; and/or a second connecting end cap 402 is further arranged at the bottom end of the first stage pretreatment filter element 201 and the second stage pretreatment filter element 202, the second connecting end cap 402 is fixedly arranged on the bottle body 604 and/or the first connecting end cap 401, a chaste is arranged on the outer wall of the second connecting end cap 402, and a space allowing fluid to flow through is arranged between the second connecting end cap 402 and the inner wall of the bottle body 604; and/or a third connecting end cover 403 is arranged at the top end of the first stage pretreatment filter element 201 and the second stage pretreatment filter element 202;
when further comprising a center tube 602:
and/or a fourth connecting end cover 404 is further arranged at the bottom end position of the central tube 602, and a gap is formed between the bottom end of the central tube 602 and the fourth connecting end cover 404; and/or a fifth connecting end cover 405 is arranged between the first-stage aftertreatment filter element 204 and the second-stage aftertreatment filter element 205, and a channel allowing fluid to flow is arranged in the middle of the fifth connecting end cover 405.
This is the utility model discloses a five connection end cover's preferred structural style can realize the effect of sealing and support to the bottle lower extreme through first connection end cover, form to carry out the supporting role to first and second grade preliminary treatment filter core lower extreme through second connection end cover, the third connection end cover realizes supporting and sealing the upper end of first and second grade preliminary treatment filter core, the fourth connection end cover can carry out the supporting role to first and second grade aftertreatment filter core, the fifth connection end cover realizes supporting to second grade aftertreatment filter core.
To successfully prepare the composite filter element, it needs to include an end cap portion. The first connecting end cover 401 is a composite filter element bottle body end cover, can be in sealing connection with the composite filter element bottle body through spin-melting and threads, and is provided with a limiting device for compressing the filter element during assembly so as to prevent water leakage caused by the fact that the filter element is not assembled in place in order to ensure that the space of the bottle body is not water-tight; the second connecting end cover 402 is a lower fixed end cover of the first-stage and second-stage pretreatment filter elements, is fixed with the filter elements in a viscose mode, and is provided with a water passing groove, so that inlet water enters the water inlet end of the first-stage pretreatment filter element through the water passing groove; the third connecting end cover 403 is an upper fixed end cover of the first and second-stage pretreatment filter elements, and is fixed with the filter element in a viscose mode, and meanwhile, a water production hole is formed in the middle of the end cover and is used for discharging pretreatment produced water to a water inlet end of the fine filtering filter element; the fourth connecting end cap 404 is a central tube sealing end cap, which is used for realizing the sealing of a central tube cavity, and is a lower fixing end cap of the first-stage post-treatment filter element, which is provided with a limiting device, and has the functions of limiting and providing a water flow channel, so that the water flowing out of the third connecting end cap 403 can enter the water inlet side of the fine filtration filter element; the fifth connecting end cover 405 is a connecting and fixing end cover between the first and second post-treatment filter elements and is provided with water holes, so that the water produced by the first-stage post-treatment filter element can flow into the second-stage post-treatment filter element.
Preferably, the first and second electrodes are formed of a metal,
a first sealing element 301 is arranged in the water inlet 701; and/or a second sealing element 302 is arranged between the third connecting end cover 403 and the inner wall of the bottle body 604; and/or a third sealing element 303 is arranged between the outer peripheral wall of the central pipe 602 and the inner peripheral wall of the fourth connecting end cover 404; and/or a fourth sealing member 304 is arranged between the top end of the first-stage aftertreatment filter element 204 and the inner wall of the central tube 602; and/or a fifth sealing member 305 is arranged between the upper part of the fine filtering filter element 203 and the inner wall of the bottle body 604; and/or a second post-treatment bottle 603 is arranged between the second-stage post-treatment filter element 205 and the central tube 602, and a sixth sealing element 306 is arranged on the outer wall of the upper end of the second post-treatment bottle 603; and/or a seventh sealing element 307 is arranged between the central tube 602 and the pure water outlet 703 of the bottle body 604.
The water at the water inlet can be partially sealed through the first sealing element, so that the water flow is reduced; the top ends of the first and second-stage pretreatment filter elements are sealed through the second sealing piece, so that water can only flow out of the middle of the first and second-stage pretreatment filter elements, and the water is subjected to sufficient pretreatment.
In order to successfully prepare the composite filter element, it needs to include a seal member portion. The first sealing element 301 is a one-way check valve and is used for preventing water in the filter flask from flowing out when a filter element is replaced, so that the experience feeling is improved; the second sealing element 302 is an O-ring which is matched with an end cover to realize sealing; the third sealing element 303 is an O-ring which is matched with the central tube and the end cover to realize sealing; the fourth sealing element 304 is an O-ring which is matched with the end cover and the central tube to realize sealing; the fifth sealing element 305 is a brine sealing ring, which is adhered to the fine filter element by an adhesive tape to form a seal with the composite filter element bottle body, so that the separation of concentrated water and inlet water is realized; the sixth sealing element 306 is an O-ring which is matched with the second post-treatment filter element bottle body to realize sealing with the central tube, so that the produced water of the first-stage post-treatment filter element is prevented from directly flowing out without being treated; the seventh sealing element 307 is an O-ring, which is used to seal in cooperation with the outlet of the central tube, thereby preventing the strong water from entering the pure water side.
Preferably, the first and second electrodes are formed of a metal,
a first cavity 501 is formed between the first connecting end cover 401 and the second connecting end cover 402; and/or a second cavity 502 is formed between the second connecting end cap 402 and the second sealing element 302; and/or, the interior of the second stage pretreatment cartridge 202 has a third cavity 503 extending vertically upward; and/or a fourth cavity 504 is arranged between the second seal member 302 and the fifth seal member 305; and/or the gap between the bottom end of the central tube 602 and the fourth connecting end cap 404 is a sixth cavity 506; and/or an eighth cavity 508 is formed between the top end of the second stage aftertreatment cartridge 205 and the center tube 602.
The first cavity is realized by the first connecting end cover and the second connecting end cover to realize the function of containing and entering water in an inlet area, the second cavity is a section of cavity which enables water to enter the first-stage pretreatment filter element, the third cavity is a containing cavity which enables water to pass through the first-stage and second-stage pretreatment filter elements, the fourth cavity is a section of cavity which enables water to enter the fine treatment filter element, the fifth cavity is a containing cavity which enables water to pass through the fine filtration filter element, the sixth cavity is a section of cavity which enables water flow from the guide groove of the central tube to pass through the bottom end of the central tube to enter the fifth cavity, the cavity has important function of effectively ensuring the filtering length of the water flow and improving the filtering effect, the seventh cavity is a containing cavity which enables water to pass through the first-stage post-treatment filter element, and the eighth cavity is a containing cavity which enables water to pass through the second-stage post-treatment filter element, the ninth cavity is a cavity between the water from the fine filter element and the inner wall of the bottle body; through above-mentioned a plurality of cavitys make rivers flow in proper order to each filter core and realize multistage filter effect step by step, realize high-efficient meticulous filtration.
The utility model also provides a water purification system, it includes preceding arbitrary compound filter element group spare. The utility model arranges more than five stages of filter elements in the bottle body, and the fluid passes through the first stage pretreatment filter element, the second stage pretreatment filter element, the fine filtration filter element, the first stage post-treatment filter element and the second stage post-treatment filter element in sequence along the flowing direction of the fluid to be filtered, and the integral composite filter element, it comprises five stages of filter elements, can be independently used on the water purifier to play a purification function, and compared with the prior single-stage filter element or two-stage, three-stage or even four-stage filter elements, the five-stage filtering effect can be realized in one bottle body, the filtering effect can be effectively improved, and meanwhile, the filter element assembly and the water purifier can be miniaturized in size, the filter element integrates the five-stage filtering function, the service life of each filter element is matched during design, and the size is considered, so that the size is not large, and the size is smaller than that of a single filter element;
and set up the filter core in through a bottle, it is integrative that the five-stage filtering function of effective collection, the life-span of each filter core has been matchd during the design, compare in single-stage filter core or second grade, life-span between the bottle of tertiary even level four filter core does not match and leads to trading the inconsistent problem in core cycle, bring the frequent problem of trading the core, the life of the inside filter core of bottle is all unanimous basically when changing inside filter core, consequently, trade the core cycle unanimous, an organic whole trade the core, the frequent problem of trading that the inconsistent core cycle of trading that exists when effectively avoiding each filter core exclusive use brought.
Preferably, including water inlet pipe way, pure water pipeline and waste water pipeline, when compound filter element group spare includes water inlet, dense water export and pure water export simultaneously, the water inlet pipe way with the water inlet links to each other, pure water pipeline with the pure water export links to each other, waste water pipeline with the dense water export links to each other, just be provided with pump 802 and water intaking valve 801 on the water inlet pipe way, be provided with waste water valve 807 on the waste water pipeline, be provided with pure water valve 804 on the pure water pipeline. In order to make the composite filter element function, a water path system is shown in fig. 5. During system water state, the water route direction is: a water inlet, a water inlet valve 801, a 802 pump, a composite filter element 10, a water outlet valve 804, a faucet switch 805, a gooseneck faucet 806 and a water inlet; when the washing state, the waterway direction is as follows: water inlet valve 801, pump 802, composite filter element 10, waste water valve 807.
The composite filter element structure simultaneously comprises an upper structure, a lower structure, an inner structure and an outer structure. The upper structure and the lower structure are separated by means of end covers, but the upper space and the lower space are communicated in a way that the end covers are provided with openings and are also used as the end covers of the pretreatment filter element, so that the space is saved; the structure realization basis is the center tube in its outside and inside, and this center tube is different from traditional center tube, has big cavity characteristic, can be used to pack aftertreatment filter core filter media. The two ends of the water port are distributed and are respectively one end of the water inlet and one end of the concentrated water outlet and one end of the pure water outlet, and the number of the ports is small; the system principle is water source-pump-pretreatment-fine filtration filter element-post-treatment filter element, and the composite filter element can be suitable for a tabletop water purifier.
For successfully preparing the composite filter element, the utility model discloses the following technical scheme of accessible realizes that concrete implementation mode is as follows:
1) for successful preparation of the composite filter element, the water path direction is shown in figure 1.
2) In order to successfully prepare the composite filter element, it needs to include a multi-stage filter element.
A first stage pretreatment filter element 201, a second stage pretreatment filter element 202, a fine filtration filter element 203, a first stage post-treatment filter element 204 and a second stage post-treatment filter element 205. The first-stage pretreatment filter element can be spray-melted PP cotton or folded paper PP cotton, and mainly plays a role in performing first-stage filtration to remove large suspended matters, silt, rust and other pollutants in a water body; the second-stage pretreatment filter element can be a sintered carbon rod and mainly has the function of adsorbing and removing residual chlorine, micromolecular organic matters and the like in the water body; the fine filtering filter core can be a roll type reverse osmosis filter core or a roll type nanofiltration filter core, and has the function of fine filtering, so that heavy metal ions, micromolecular organic matters and the like in the water body can be removed, and the deep purification of the water body is realized; the first-stage post-treatment filter element can be a sintered carbon rod and is used for improving the water production taste of the fine filtering filter element; the second-stage post-treatment filter element can be a microfiltration membrane, an ultrafiltration membrane and the like, and has the functions of preventing microorganisms in effluent from exceeding standards and ensuring the sanitation and safety of water. Correspondingly, in order to successfully prepare the composite filter element, the layout form of the filter element structure is as follows: the first-stage pretreatment filter element 201 is wrapped or nested on the outer surface of the second-stage pretreatment filter element 202 to form an inner and outer structural layout; the rear three-stage filter element and the front two-stage pretreatment filter element are in an up-and-down structural layout; the two-stage post-treatment filter element is filled in the central tube of the fine filter element.
3) In order to successfully prepare the composite filter element, it needs to include a seal member portion.
The first sealing element 301 is a one-way check valve and is used for preventing water in the filter flask from flowing out when a filter element is replaced, so that the experience feeling is improved; the second sealing element 302 is an O-ring which is matched with an end cover to realize sealing; the third sealing element 303 is an O-ring which is matched with the central tube and the end cover to realize sealing; the fourth sealing element 304 is an O-ring which is matched with the end cover and the central tube to realize sealing; the fifth sealing element 305 is a brine sealing ring, which is adhered to the fine filter element by an adhesive tape to form a seal with the composite filter element bottle body, so that the separation of concentrated water and inlet water is realized; the sixth sealing element 306 is an O-ring which is matched with the second post-treatment filter element bottle body to realize sealing with the central tube, so that the produced water of the first-stage post-treatment filter element is prevented from directly flowing out without being treated; the seventh sealing element 307 is an O-ring, which is used to seal in cooperation with the outlet of the central tube, thereby preventing the strong water from entering the pure water side.
4) To successfully prepare the composite filter element, it needs to include an end cap portion.
The first connecting end cover 401 is a composite filter element bottle body end cover, can be in sealing connection with the composite filter element bottle body through spin-melting and threads, and is provided with a limiting device for compressing the filter element during assembly so as to prevent water leakage caused by the fact that the filter element is not assembled in place in order to ensure that the space of the bottle body is not water-tight; the second connecting end cover 402 is a lower fixed end cover of the first-stage and second-stage pretreatment filter elements, is fixed with the filter elements in a viscose mode, and is provided with a water passing groove, so that inlet water enters the water inlet end of the first-stage pretreatment filter element through the water passing groove; the third connecting end cover 403 is an upper fixed end cover of the first and second-stage pretreatment filter elements, and is fixed with the filter element in a viscose mode, and meanwhile, a water production hole is formed in the middle of the end cover and is used for discharging pretreatment produced water to a water inlet end of the fine filtering filter element; the fourth connecting end cap 404 is a central tube sealing end cap, which is used for realizing the sealing of a central tube cavity, and is a lower fixing end cap of the first-stage post-treatment filter element, which is provided with a limiting device, and has the functions of limiting and providing a water flow channel, so that the water flowing out of the third connecting end cap 403 can enter the water inlet side of the fine filtration filter element; the fifth connecting end cover 405 is a connecting and fixing end cover between the first and second post-treatment filter elements and is provided with water holes, so that the water produced by the first-stage post-treatment filter element can flow into the second-stage post-treatment filter element.
5) In order to successfully prepare the composite filter element, it is necessary to include additional features.
The limiting device on the inner wall of the central tube is used for limiting when the second-stage post-treatment filter element is assembled, and simultaneously ensuring that the water production section of the second-stage post-treatment filter element is not attached to the wall surface of the central tube and ensuring the water outflow speed; the central pipe 602 is different from the conventional central pipe in that it has no through water guide hole, a water guide groove is formed on the surface, a water outflow groove is formed on the cross section, and the cavity is in a non-closed form; a second post-treatment bottle 603; a bottle 604 of the composite filter element.
6) The overall appearance of the composite filter element is shown in figure 4. The upper side and the lower side of a water port of the bottle body are distributed, and the lower end of the water port is a raw water inlet 701; the upper end is provided with a concentrated water outlet 702 and a pure water outlet 703; in addition, the bottle body is provided with a handle 704, so that the core can be conveniently taken when being replaced. Expectable, the bottle only can realize business turn over water function, replacement function for the structure of matching compound filter element group spare, is not limited to the outward appearance that the drawing provided.
The utility model discloses a traditional multistage filter core of composite filter core fungible uses alone one the utility model discloses a water purification equipment can be prepared to composite filter core.
The utility model discloses a filter core upper and lower, interior outer structure to and the upper and lower, interior outer structure of subassembly realize this integrative composite filter core's mode for the cooperation.
7) In order to make the composite filter element function, a water path system is shown in fig. 5.
During system water state, the water route direction is: a water inlet, a water inlet valve 801, a 802 pump, a composite filter element 10, a water outlet valve 804, a faucet switch 805, a gooseneck faucet 806 and a water inlet;
when the washing state, the waterway direction is as follows: water inlet valve 801, pump 802, composite filter element 10, waste water valve 807.
Expectable, the usable waterway system situation of this composite filter core has a plurality ofly, and the utility model discloses listed one kind most conventional.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (15)
1. A composite filter element assembly, comprising: the method comprises the following steps:
the device comprises a bottle body (604) and more than five stages of filter elements arranged in the bottle body (604), wherein the filter elements comprise a first-stage pretreatment filter element (201), a second-stage pretreatment filter element (202), a fine filtration filter element (203), a first-stage post-treatment filter element (204) and a second-stage post-treatment filter element (205); along the flowing direction of the fluid, the fluid passes through the first stage pretreatment filter element (201), the second stage pretreatment filter element (202), the fine filtering filter element (203), the first stage post-treatment filter element (204) and the second stage post-treatment filter element (205) in sequence to be filtered.
2. The composite filter element assembly of claim 1, wherein:
the first-stage pretreatment filter element (201) is made of PP cotton; and/or the second stage pretreatment filter element (202) is a sintered carbon rod; and/or the fine filtering filter element (203) is a roll type reverse osmosis filter element or a roll type nanofiltration filter element; and/or the first stage aftertreatment filter element (204) is a sintered carbon rod; and/or the material of the second-stage post-treatment filter element (205) is a micro-filtration membrane and/or an ultrafiltration membrane.
3. The composite filter element assembly of claim 1 or 2, wherein:
the first-stage pretreatment filter element (201) and the second-stage pretreatment filter element (202) are located at the same height and are arranged inside and outside, and the first-stage pretreatment filter element (201) is sleeved outside the second-stage pretreatment filter element (202).
4. The composite filter element assembly according to any one of claims 1-2, wherein:
meticulous filter core (203) are located first order preliminary treatment filter core (201) or the top of second level preliminary treatment filter core (202), just first order aftertreatment filter core (204) with second level aftertreatment filter core (205) are all set in the inside of meticulous filter core (203), just second level aftertreatment filter core (205) are located the top of first order aftertreatment filter core (204).
5. The composite filter element assembly according to any one of claims 1-2, wherein:
the fine filtering filter element (203) is internally provided with a central pipe (602) which is positioned outside the first-stage aftertreatment filter element (204) and the second-stage aftertreatment filter element (205), and the outer wall surface of the central pipe (602) is provided with a first guide groove (A) so that fluid penetrates into the first guide groove (A) through the fine filtering filter element (203) and is guided.
6. The composite filter element assembly of claim 5, wherein:
the center pipe (602) is internally provided with a fifth cavity (505), the first-stage aftertreatment filter element (204) and the second-stage aftertreatment filter element (205) are arranged in the fifth cavity (505), the first guide groove (A) extends along the axial direction of the center pipe (602) in a straight line or a curve, and the first guide groove (A) is not communicated with the fifth cavity (505).
7. The composite filter element assembly of claim 6, wherein:
the lower end of the first guide groove (A) is further communicated with a second guide groove (B), the second guide groove (B) is arranged between the inner wall and the outer wall of the central pipe (602), and the other end of the second guide groove (B) is communicated with the lower end of the central pipe (602) to be communicated with the fifth cavity (505).
8. The composite filter element assembly of claim 6, wherein:
the interior of the first stage aftertreatment cartridge (204) has a seventh cavity (507), and fluid in the fifth cavity (505) permeates into the seventh cavity (507) through the first stage aftertreatment cartridge (204).
9. The composite filter element assembly of claim 8, wherein:
the seventh cavity (507) in the first-stage post-treatment filter element (204) is communicated with the second-stage post-treatment filter element (205) upwards, a pure water outlet (703) is formed in the top end of the bottle body (604), and the upper end of the second-stage post-treatment filter element (205) is communicated with the pure water outlet (703).
10. The composite filter element assembly according to any one of claims 1-2, wherein:
the top end of the bottle body (604) is also provided with a concentrated water outlet (702), a ninth cavity (509) is formed between the upper end of the fine filtering filter element (203) and the bottle body (604), and the concentrated water outlet (702) is communicated with the ninth cavity (509).
11. The composite filter element assembly according to any one of claims 1-2, wherein:
a first connecting end cover (401) is arranged at the bottom end of the bottle body (604) to seal the lower end of the bottle body (604), and a water inlet (701) is formed in the first connecting end cover (401); and/or a second connecting end cap (402) is arranged at the bottom end of the first stage pretreatment filter element (201) and the second stage pretreatment filter element (202), the second connecting end cap (402) is fixedly arranged on the bottle body (604) and/or the first connecting end cap (401), a chaste is arranged on the outer wall of the second connecting end cap (402), and a space allowing fluid to flow is formed between the second connecting end cap and the inner wall of the bottle body (604); and/or a third connecting end cover (403) is arranged at the top end of the first stage pretreatment filter element (201) and the second stage pretreatment filter element (202);
when further comprising a center tube (602):
and/or a fourth connecting end cover (404) is further arranged at the bottom end position of the central pipe (602), and a gap is formed between the bottom end of the central pipe (602) and the fourth connecting end cover (404); and/or a fifth connecting end cover (405) is arranged between the first-stage aftertreatment filter element (204) and the second-stage aftertreatment filter element (205), and a channel allowing fluid to flow is arranged in the middle of the fifth connecting end cover (405).
12. The composite filter element assembly of claim 11, wherein:
a first sealing element (301) is arranged in the water inlet (701); and/or a second sealing element (302) is arranged between the third connecting end cover (403) and the inner wall of the bottle body (604); and/or a third sealing element (303) is arranged between the outer peripheral wall of the central pipe (602) and the inner peripheral wall of the fourth connecting end cover (404); and/or a fourth sealing member (304) is arranged between the top end of the first-stage aftertreatment filter element (204) and the inner wall of the central pipe (602); and/or a fifth sealing member (305) is arranged between the upper part of the fine filtering filter element (203) and the inner wall of the bottle body (604); and/or a second post-treatment bottle body (603) is arranged between the second-stage post-treatment filter element (205) and the central pipe (602), and a sixth sealing element (306) is arranged on the outer wall of the upper end of the second post-treatment bottle body (603); and/or a seventh sealing element (307) is arranged between the central pipe (602) and the pure water outlet (703) of the bottle body (604).
13. The composite filter element assembly of claim 12, wherein:
a first cavity (501) is arranged between the first connecting end cover (401) and the second connecting end cover (402); and/or a second cavity (502) is formed between the second connecting end cover (402) and the second sealing member (302); and/or the interior of the second-stage pretreatment filter element (202) is provided with a third cavity (503) extending vertically upwards; and/or a fourth cavity (504) is arranged between the second sealing element (302) and the fifth sealing element (305); and/or the gap between the bottom end of the central tube (602) and the fourth connecting end cap (404) is a sixth cavity (506); and/or an eighth cavity (508) is formed between the top end of the second stage aftertreatment filter element (205) and the center tube (602).
14. A water purification system, its characterized in that: comprising the composite filter element assembly of any one of claims 1-13.
15. The water purification system of claim 14, wherein: including water inlet pipe way, pure water pipeline and waste water pipeline, work as when compound filter element group spare includes water inlet, dense water export and pure water export simultaneously, water inlet pipe way with the water inlet links to each other pure water pipeline with the pure water export links to each other waste water pipeline with the dense water export links to each other, just be provided with pump (802) and water intaking valve (801) on the water inlet pipe way, be provided with waste water valve (807) on the waste water pipeline, be provided with pure water valve (804) on the pure water pipeline.
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| CN201921250909.7U CN210367217U (en) | 2019-08-02 | 2019-08-02 | Compound filter element group spare and water purification system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255746A (en) * | 2019-08-02 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of composite filter element component and water purification system |
| CN110255748A (en) * | 2019-08-02 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of composite filter element component and water purification system |
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2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255746A (en) * | 2019-08-02 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of composite filter element component and water purification system |
| CN110255748A (en) * | 2019-08-02 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of composite filter element component and water purification system |
| CN110255746B (en) * | 2019-08-02 | 2024-04-23 | 珠海格力电器股份有限公司 | Composite filter element assembly and water purification system |
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