CN210367222U - Compound filter element group spare and water purification system - Google Patents

Compound filter element group spare and water purification system Download PDF

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Publication number
CN210367222U
CN210367222U CN201921251799.6U CN201921251799U CN210367222U CN 210367222 U CN210367222 U CN 210367222U CN 201921251799 U CN201921251799 U CN 201921251799U CN 210367222 U CN210367222 U CN 210367222U
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filter element
stage
cavity
bottle body
end cover
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李友铃
申鸿海
胡进华
秦利利
张玉莹
董平安
秦雪鑫
陈静
谢武彬
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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); the fluid is filtered by passing through the filter element in sequence; a water inlet (701) is formed in the bottom or the top of the bottle body (604), and a pure water outlet (703) and a concentrated water outlet (702) are formed in the same side of the bottle body (604) as the water inlet (701); and at least one radial hole (A) is arranged on the central tube (602) along the radial direction. 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

Compound filter element group spare and water purification system
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
The core spare part of purifier is the filter core of performance filtering capability, and traditional purifier contains multistage filter core, and the bottle is in large quantity and causes the complete machine volume to be bigger than normal, and the filter core at different levels trades the core cycle inconsistent, increases and trades the core inconvenient nature. 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; the fluid is filtered by sequentially passing through a first-stage pretreatment filter element, a second-stage pretreatment filter element, a fine filtering filter element, a first-stage post-treatment filter element and a second-stage post-treatment filter element; the bottom or the top of the bottle body is provided with a water inlet, and the same side of the bottle body with the water inlet is also provided with a pure water outlet and a concentrated water outlet;
the fine filtering filter element is arranged in the fine filtering filter element and positioned outside the first-stage post-treatment filter element and the second-stage post-treatment filter element, and the center tube is provided with at least one radial hole along the radial direction of the center tube, so that fluid penetrating through the fine filtering filter element enters the center tube from the outer wall of the center tube along the radial hole.
Preferably, the first and second electrodes are formed of a metal,
the first-stage pretreatment filter element is made of PP (polypropylene); and/or the second-stage pretreatment filter element 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 below 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 below of first order aftertreatment filter core.
Preferably, the first and second electrodes are formed of a metal,
the radial holes are formed in a mode of penetrating through the outer wall and the inner wall of the central tube, and the radial holes are multiple and are distributed along the axis direction of the central tube.
Preferably, the first and second electrodes are formed of a metal,
a fifth cavity communicated with the inner space of the second-stage post-treatment filter element is arranged above the first-stage post-treatment filter element and in the fine filtering filter element; the inside of center tube has the tenth cavity, first grade aftertreatment filter core with the second grade aftertreatment filter core sets up in the tenth cavity, radial hole with the tenth cavity intercommunication.
Preferably, the first and second electrodes are formed of a metal,
a sixth cavity is formed in the first stage aftertreatment cartridge, and fluid in the tenth cavity permeates into the sixth cavity through the first stage aftertreatment cartridge.
Preferably, the first and second electrodes are formed of a metal,
the sixth cavity inside the first-stage post-treatment filter element is communicated with the second-stage post-treatment filter element downwards, a pure water outlet is formed in the bottom end of the bottle body, and the lower 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 dense water outlet is arranged at the bottom end of the bottle body, and the lower end of the fine filtering filter element can be communicated with the dense water outlet.
Preferably, the first and second electrodes are formed of a metal,
the top end of the bottle body is provided with a first connecting end cover so as to seal the upper end of the bottle body; and/or a second connecting end cover is arranged at the upper ends of the first-stage pretreatment filter element and the second-stage pretreatment filter element, and the second connecting end cover is fixedly arranged on the bottle body; and/or a third connecting end cover is arranged at the bottom end of the first-stage pretreatment filter element and the second-stage pretreatment filter element, and a water passing channel formed by the chaste tree twigs is arranged on the outer wall of the third connecting end cover;
when a center tube is also included:
and/or a fourth connecting end cover is arranged above the central pipe, and a gap is formed between the upper 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; and/or a sixth connecting end cover is further arranged below the first-stage post-treatment filter element and the second-stage post-treatment filter element, and a water passing channel formed by the chaste tree twigs is arranged on the outer wall of the sixth connecting end cover.
Preferably, the first and second electrodes are formed of a metal,
a first sealing element is arranged between the top end of the first-stage post-treatment filter element and the inner wall of the central tube; and/or a second sealing element is arranged on the upper part of the fine filtering filter element and the inner wall of the third connecting end cover; and/or a third sealing element is arranged between the lower part of the fine filtering filter element and the sixth connecting end cover; and/or a fourth sealing element is arranged between the outer peripheral wall of the lower part of the first-stage aftertreatment filter element and the inner peripheral wall of the central tube; and/or a second post-treatment bottle body is arranged between the second-stage post-treatment filter element and the central pipe, and a fifth sealing element is arranged on the outer wall of the lower end of the second post-treatment bottle body; and/or a sixth sealing element is arranged on the outer wall of the lower end of the sixth connecting end cover; and/or a seventh sealing element is arranged between the lower part of 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 bottom of the sixth connecting end cover and the bottle body; and/or a second cavity is formed between the periphery of the fine filtering filter element and the bottle body; and/or a third cavity is formed between the periphery of the first-stage post-treatment filter element and the bottle body; and/or the interior of the second-stage pretreatment filter element is provided with a fourth cavity extending in the vertical direction; and/or a seventh cavity is formed between the bottom end of the second-stage aftertreatment filter element and the central tube; and/or an eighth cavity is formed between the bottom of the fine filtering filter element and the sixth connecting end cover and is communicated with the concentrated water outlet; and/or a ninth cavity is formed between the peripheral wall of the bottom of the central tube and the sixth connecting end cover.
The utility model also provides a water purification system, it includes preceding arbitrary compound filter element group spare.
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; all water inlets such as a water inlet, a pure water outlet, a concentrated water outlet and the like are arranged at one end of the bottle body, so that the problem of large space occupation ratio caused by the distribution of two ends of the interface can be effectively avoided;
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 bottom structure of fig. 4 (see the water inlet, the pure water outlet and the concentrated water outlet).
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; 406. a sixth 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; 510. a tenth 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; A. a radial bore.
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 sequence along the flow direction of the fluid to be filtered; a water inlet 701 is formed at the bottom or the top of the bottle body 604, and a pure water outlet 703 and a concentrated water outlet 702 are also formed on the same side of the bottle body 604 as the water inlet 701;
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 at least one radial hole a is formed in the central tube 602 along a radial direction thereof, so that fluid permeated through the fine filter element 203 enters the central tube 602 from an outer wall of the central tube 602 along the radial hole a. .
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;
can realize the supporting role of center pin and can also collect and produce water to back two-stage treatment filter core and meticulous filter core through setting up of center tube to can make the water that the meticulous filter core was come directly get into the center tube through radial hole inside, and realize carrying out the effect of water conservancy diversion to first order aftertreatment filter core after the essence is strained to water.
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.
And all mouths of a river such as a water inlet, a pure water outlet, a concentrated water outlet and the like are arranged at one end of the bottle body, so that the problem of large space occupation ratio caused by the distribution of the two ends of the interface can be effectively avoided.
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,
meticulous filter core 203 is located first order preliminary treatment filter core 201 or the below of second level preliminary treatment filter core 202, just first order aftertreatment filter core 204 with second level aftertreatment filter core 205 is all set and is located meticulous filter core 203's inside, just second level aftertreatment filter core 205 is located first order aftertreatment filter core 204's below.
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 fixing the setting to above-mentioned two-stage preliminary treatment filter core through a plurality of connection end covers, realizes the fixed setting to 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,
the radial holes a are formed to penetrate through the outer wall and the inner wall of the central tube 602, and the radial holes a are plural and arranged along the axial direction of the central tube 602. Through a plurality of center tubes of arranging along the axis direction, can improve and carry out the guide effect to the water after the essence is strained, make its maximum flow ground get into and filter in the first order aftertreatment filter core, improved filtration efficiency and switch on efficiency, further effectively improved the filter effect.
Preferably, the first and second electrodes are formed of a metal,
a fifth cavity 505 above the first stage post-treatment cartridge 204 and within the fine filtration cartridge 203 communicating with the interior space of the second stage pre-treatment cartridge 202; the center tube 602 has a tenth cavity 510 therein, the first stage aftertreatment cartridge 204 and the second stage aftertreatment cartridge 205 disposed in the tenth cavity 510, and the radial holes a communicate with the tenth cavity 510. This is the utility model discloses an optimal structural style of center tube is through the mode of radial hole direct and fifth cavity intercommunication for water that comes from meticulous filter core directly gets into the center tube inside, has improved conduction efficiency, has improved the filter effect.
Preferably, the first and second electrodes are formed of a metal,
the interior of the first stage aftertreatment cartridge 204 has a sixth cavity 506, and fluid in the tenth cavity 510 permeates through the first stage aftertreatment cartridge 204 into the sixth cavity 506. Through set up the sixth cavity in first order aftertreatment filter core inside for water in the fifth cavity gets into and is filtered and purified reentrant sixth cavity behind the first order aftertreatment filter core, provides clean water for getting into second order aftertreatment filter core, makes the filter effect better.
Preferably, the first and second electrodes are formed of a metal,
the sixth cavity 506 inside the first-stage post-treatment filter element 204 is communicated with the second-stage post-treatment filter element 205 downward, a pure water outlet 703 is formed in the bottom end of the bottle body 604, and the lower end of the second-stage post-treatment filter element 205 is communicated with the pure water outlet 703. The water after the fine filtration filter element flows out through the first-stage and second-stage post-treatment filter elements and is discharged from the bottom end, and pure water is obtained.
Preferably, the first and second electrodes are formed of a metal,
the bottom end of the bottle body 604 is also provided with a concentrated water outlet 702, and the lower end of the fine filtering filter element 203 can be communicated with the concentrated water outlet 702. The water filtered by the fine filter element without passing through the two subsequent stages of filter elements is discharged through the ninth cavity 509 and the concentrated water outlet to obtain concentrated water (which has high salt content and cannot be introduced).
Preferably, the first and second electrodes are formed of a metal,
the top end of the bottle body 604 is provided with a first connection end cap 401 to seal the upper end of the bottle body 604; and/or a second connecting end cover 402 is arranged at the upper end of the first-stage pretreatment filter element 201 and the upper end of the second-stage pretreatment filter element 202, and the second connecting end cover 402 is fixedly arranged on the bottle body 604; and/or a third connecting end cover 403 is arranged at the bottom end of the first-stage pretreatment filter element 201 and the second-stage pretreatment filter element 202, and a water passing channel formed by chaste trees is arranged on the outer wall of the third connecting end cover 403;
when further comprising a center tube 602:
and/or a fourth connecting end cover 404 is further arranged above the central pipe 602; 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; and/or a sixth connecting end cover 406 is arranged below the first-stage aftertreatment filter element 204 and the second-stage aftertreatment filter element 205, and a water channel formed by twigs is arranged on the outer wall of the sixth connecting end cover 406.
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 upper end through first connection end cover, form to carry out the supporting role on first and second grade preliminary treatment filter core through second connection end cover, the third connection end cover realizes supporting and sealing the lower extreme of first and second grade preliminary treatment filter core, the fourth connection end cover can carry out the supporting role to the center tube upper end, the fifth connection end cover realizes supporting first order aftertreatment filter core, the sixth 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. Specifically, the bottle body sealing device comprises a first connecting end cover 401 which is a bottle body end cover and is connected with the bottle body in a spin-melting or threaded manner to seal the bottle body; a second connection end cap 402, which is the upper end cap of the first and second stage pretreatment filter elements, and is used for fixing and sealing; the third connecting end cover 403, specifically the lower end covers of the first and second-stage pretreatment filter elements, is used for limiting and fixing the first and second-stage filter elements, and is connected with the fine filtration filter element 203 to realize water path intercommunication, and in addition, the limiting strips on the side wall of the end cover simultaneously provide the function of a water passing channel; a fourth connection end cap 404, which is an upper end cap of the first-stage post-treatment filter element and is used for fixing; a fifth connecting end cap 405, which is a lower end cap of the first stage aftertreatment cartridge and can simultaneously achieve connection with the second stage aftertreatment cartridge; sixth connection end cover 406, it is the lower end cover of meticulous filtration filter core, and the effect is separately for realizing into water route and meticulous filtration filter core water route, simultaneously, has spacing on its end cover, plays water channel's effect.
Preferably, the first and second electrodes are formed of a metal,
a first sealing element 301 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 second sealing member 302 is arranged on the upper part of the fine filtering filter element 203 and the inner wall of the third connecting end cover 403; and/or a third sealing member 303 is arranged between the lower part of the fine filtering filter element 203 and the sixth connecting end cover 406; and/or a fourth sealing member 304 is arranged between the lower outer peripheral wall of the first-stage aftertreatment filter element 204 and the inner peripheral wall of the central tube 602; 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 fifth sealing element 305 is arranged on the outer wall of the lower end of the second post-treatment bottle 603; and/or a sixth sealing member 306 is arranged on the peripheral wall of the lower end of the sixth connecting end cover 406; and/or a seventh sealing element 307 is arranged between the lower part of the central pipe 602 and the pure water outlet 703 of the bottle body 604.
The first sealing element can realize the sealing between the first-stage post-treatment filter element and the central tube, so that the water flow is reduced; the upper part of the fine filtering filter element is sealed with the bottle body through the second sealing element, so that water can only flow out downwards through the fine filtering filter element, and the water is fully subjected to fine filtering treatment; the sealing between the lower part of the fine filtering filter element and the sixth connecting end cover is realized through the third sealing element, so that water from the fine filtering filter element cannot flow out through the gap and enters the first-stage post-treatment filter element and the second-stage post-treatment filter element through the diversion trench of the central pipe to be filtered, and the filtering effect is improved; the sealing effect between the bottom end of the first-stage post-treatment filter element and the central pipe is realized through the fourth sealing element, so that water from the first-stage post-treatment filter element can only downwards enter the second post-treatment filter element from the seventh cavity, leakage is prevented, and the filtering effect is improved; the sealing effect between the second post-treatment filter element and the central tube is realized through the fifth sealing element, so that water can only flow downwards from the middle part of the second post-treatment filter element, and the filtering effect is improved; the sealing effect between the sixth connecting end cover and the bottom end of the central pipe can be ensured through the sixth sealing element, so that water from the fine filtering filter element cannot leak to the pure water outlet from the space between the sixth connecting end cover and the central pipe; the water at the pure water outlet can be sealed by the seventh sealing piece.
In order to successfully prepare the composite filter element, it needs to include a seal member portion. The first sealing element 301 is an O-ring which is close to the water inlet end of the central pipe and is used for sealing the cavity of the central pipe 602 by matching with the fourth connecting end cover 404; the second sealing element 302 and the third sealing element 303 are saline water sealing rings and are used for realizing the separation of a water inlet waterway and a waterway of the fine filtering filter element; the fourth seal 304 is an O-ring on the fifth connecting end cap 405; the fifth seal 305 is an O-ring that seals against the second housing (i.e., the second aftertreatment bottle 603); the sixth seal 306 is an O-ring that seals against the center tube 602; the seventh seal 307 is an O-ring on the sixth connecting end cap 406. The sealing elements are used for preventing water leakage and realizing sealing.
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 a seventh cavity 507 is formed between the bottom end of the second stage aftertreatment filter element 205 and the center tube 602; and/or an eighth cavity 508 is formed between the bottom of the fine filtering filter element 203 and the sixth connecting end cover 406, and the eighth cavity 508 is communicated with the concentrated water outlet 702; and/or a ninth cavity 509 is formed between the peripheral wall of the bottom of the central tube 602 and the sixth connecting end cap 406.
In order to successfully prepare the composite filter element, it needs to include a cavity portion. The first cavity 501 is a raw water inlet cavity, and is formed by the water inlet, the sixth connecting end cover 406 and the bottle body 604; the second cavity 502 is formed by a sixth connecting end cover 406, the fine filtering element 203, a third connecting end cover 403, a second sealing element 302, a third sealing element 303 and a bottle body 604 and is a raw water inlet cavity; the third cavity 503 is composed of a second connecting end cover 402, a third connecting end cover 403, a bottle body 604, a first stage pretreatment filter element and a second stage pretreatment filter element, and is a raw water inlet cavity. Wherein, the first cavity 501, the second cavity 502 and the third cavity 503 are communicated. The fourth cavity 504 is a second-stage post-treatment filter element cavity and is a filtered water outlet cavity; the fifth cavity 505 is in communication with the fourth cavity 504 and then the flow direction of the water flow is first out of the fifth cavity 505, enters the fine filter cartridge 203 at the lower end of the third connecting end cap 403, and then radially enters the tenth cavity 510 along the radial hole a on the center tube 602), which is the fine filter cartridge inlet cavity; the sixth cavity 506 is a first stage aftertreatment filter element water inlet cavity; the seventh cavity 507 is a second-stage post-treatment filter element water outlet cavity; the eighth cavity 508 is a cavity from which the fine filter element treated water flows out; the ninth cavity 509 is a fine filter cartridge concentrate outlet cavity.
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.
The overall appearance of the composite filter element is shown in fig. 4, and the bottle body is provided with a handle, so that the composite filter element is convenient to take when the core is 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 composite filter element, intake, pure water and dense mouth of a river one end overall arrangement are the utility model discloses a technical characterstic. 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.
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 spaces, the side wall of the end cover of the communicated passage is provided with a water diversion groove, and the end cover is a shared end cover of a pretreatment filter element and a fine filtration filter element at the same time, so that the space is saved; the outer structure realization basis is the center tube in it, and this center tube is different from traditional center tube, has big cavity characteristic, can be used to pack aftertreatment filter core filter media, carries out rivers through radial hole and switches on. One end of the water port is distributed and comprises a pressurized water inlet, a pure water outlet and a concentrated water outlet, the number of the interfaces is small, and the longitudinal space occupation caused by the distribution of the two ends of the interfaces can be effectively reduced. The system principle is water source-pump-pretreatment-fine filtering element-post-treatment filtering element, and the composite filtering element can be applied to table-board type water purifiers, water purifying drinking machines and the like.
In order to achieve the above purpose, the utility model discloses the following technical scheme of accessible realizes:
1) 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.
2) To successfully prepare the composite filter element, it needs to include an end cap portion.
To successfully prepare the composite filter element, it needs to include an end cap portion. Specifically, the bottle body sealing device comprises a first connecting end cover 401 which is a bottle body end cover and is connected with the bottle body in a spin-melting or threaded manner to seal the bottle body; a second connection end cap 402, which is the upper end cap of the first and second stage pretreatment filter elements, and is used for fixing and sealing; the third connecting end cover 403, specifically the lower end covers of the first and second-stage pretreatment filter elements, is used for limiting and fixing the first and second-stage filter elements, and is connected with the fine filtration filter element 203 to realize water path intercommunication, and in addition, the limiting strips on the side wall of the end cover simultaneously provide the function of a water passing channel; a fourth connection end cap 404, which is an upper end cap of the first-stage post-treatment filter element and is used for fixing; a fifth connecting end cap 405, which is a lower end cap of the first stage aftertreatment cartridge and can simultaneously achieve connection with the second stage aftertreatment cartridge; sixth connection end cover 406, it is the lower end cover of meticulous filtration filter core, and the effect is separately for realizing into water route and meticulous filtration filter core water route, simultaneously, has spacing on its end cover, plays water channel's effect.
3) In order to successfully prepare the composite filter element, it needs to include a seal member portion.
The first sealing element 301 is an O-ring which is close to the water inlet end of the central pipe and is used for sealing the cavity of the central pipe 602 by matching with the fourth connecting end cover 404; the second sealing element 302 and the third sealing element 303 are saline water sealing rings and are used for realizing the separation of a water inlet waterway and a waterway of the fine filtering filter element; the fourth seal 304 is an O-ring on the fifth connecting end cap 405; the fifth seal 305 is an O-ring that seals against the second housing (i.e., the second aftertreatment bottle 603); the sixth seal 306 is an O-ring that seals against the center tube 602; the seventh seal 307 is an O-ring on the sixth connecting end cap 406. The sealing elements are used for preventing water leakage and realizing sealing.
4) In order to successfully prepare the composite filter element, it needs to include a cavity portion.
The first cavity 501 is a raw water inlet cavity, and is formed by the water inlet, the sixth connecting end cover 406 and the bottle body 604; the second cavity 502 is formed by a sixth connecting end cover 406, the fine filtering element 203, a third connecting end cover 403, a second sealing element 302, a third sealing element 303 and a bottle body 604 and is a raw water inlet cavity; the third cavity 503 is composed of a second connecting end cover 402, a third connecting end cover 403, a bottle body 604, a first stage pretreatment filter element and a second stage pretreatment filter element, and is a raw water inlet cavity. Wherein, the first cavity 501, the second cavity 502 and the third cavity 503 are communicated. The fourth cavity 504 is a second-stage post-treatment filter element cavity and is a filtered water outlet cavity; the fifth cavity 505 is communicated with the fourth cavity 504 and is a fine filter element water inlet cavity; the sixth cavity 506 is the first stage aftertreatment filter element outlet cavity; the seventh cavity 507 is a second-stage post-treatment filter element water outlet cavity; the eighth cavity 508 is a cavity from which the fine filter element treated water flows out; the ninth cavity 509 is a fine filter cartridge concentrate outlet cavity.
5) In order to successfully prepare the composite filter element, the composite filter element also needs to comprise the parts shown in figures 1-2.
A bottle body 604, which is an outer bottle body of the whole composite filter element; the second bottle body ((i.e., the second post-treatment bottle body 603)) is an outer bottle body of the second post-treatment filter element; the sealing rubber plug has the sealing function when the filter element is not used. The central tube 602, the central tube is seted up radial hole and is used for the water conduction, the filter media can be placed to the central tube cavity inner space. The limiting device is used for limiting the first limiting position, is integrally prepared with the third connecting end cover 403 and is used for positioning the fine filtering filter element 203; the second limit is integral with the center tube 602 and functions to position the second stage aftertreatment cartridge 205.
6) In order to successfully prepare the composite filter element, a water gap is required to be contained, and one end of the water gap is arranged.
The first water inlet is a raw water inlet 701, and the inlet water of the first water inlet sequentially passes through the first cavity 501, the second cavity 502 and the third cavity 503 and then enters the first-stage pretreatment filter element 201; the second water inlet is a pure water outlet 703, and the front-stage inlet water of the second water inlet enters the pure water outlet 703 through the fifth cavity 505, the sixth cavity 506 and the seventh cavity 507 in sequence; the third water outlet is a concentrated water outlet 702, and the front-stage inlet water of the third water outlet enters the concentrated water outlet 702 after passing through the fourth cavity 504, the fifth cavity 505, the eighth cavity 508 and the ninth cavity 509 in sequence.
7) The composite filter element has the overall appearance shown in fig. 4, and a handle (not shown) is arranged on the bottle body of the composite filter element, so that the composite filter element is convenient to take when the core is 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 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 (13)

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); the fluid passes through the first stage pre-treatment filter element (201), the second stage pre-treatment 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 sequence to be filtered; a water inlet (701) is formed in the bottom or the top of the bottle body (604), and a pure water outlet (703) and a concentrated water outlet (702) are formed in the same side of the bottle body (604) as the water inlet (701);
the fine filtering filter element (203) is arranged inside the fine filtering filter element (203) and positioned outside the first-stage aftertreatment filter element (204) and the second-stage aftertreatment filter element (205), and the central tube (602) is provided with at least one radial hole (A) along the radial direction of the central tube (602), so that fluid permeated through the fine filtering filter element (203) enters the central tube (602) from the outer wall of the central tube (602) along the radial hole (A).
2. The composite filter element assembly of claim 1, wherein:
the first-stage pretreatment filter element (201) is made of PP; 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 below 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 and are located the inside of meticulous filter core (203), just second level aftertreatment filter core (205) are located the below of first order aftertreatment filter core (204).
5. The composite filter element assembly according to any one of claims 1-2, wherein:
the radial holes (A) are formed in a mode of penetrating through the outer wall and the inner wall of the central pipe (602), and the radial holes are multiple and are distributed along the axial direction of the central pipe (602).
6. The composite filter element assembly of claim 5, wherein:
a fifth cavity (505) above the first stage post-treatment cartridge (204) and inside the fine filtration cartridge (203) communicating with the interior space of the second stage pre-treatment cartridge (202); and the inside of the central tube (602) is provided with a tenth cavity (510), the first-stage aftertreatment filter element (204) and the second-stage aftertreatment filter element (205) are arranged in the tenth cavity (510), and the radial hole (A) is communicated with the tenth cavity (510).
7. The composite filter element assembly of claim 6, wherein:
the interior of the first stage aftertreatment cartridge (204) has a sixth cavity (506), and fluid in the tenth cavity (510) permeates through the first stage aftertreatment cartridge (204) into the sixth cavity (506).
8. The composite filter element assembly of claim 7, wherein:
the sixth cavity (506) in the first-stage post-treatment filter element (204) is communicated with the second-stage post-treatment filter element (205) downwards, a pure water outlet (703) is formed in the bottom end of the bottle body (604), and the lower end of the second-stage post-treatment filter element (205) is communicated with the pure water outlet (703).
9. The composite filter element assembly according to any one of claims 1-2, wherein:
the concentrated water outlet (702) is arranged at the bottom end of the bottle body (604), and the lower end of the fine filtering filter element (203) can be communicated with the concentrated water outlet (702).
10. The composite filter element assembly according to any one of claims 1-2, wherein:
the top end of the bottle body (604) is provided with a first connecting end cover (401) to seal the upper end of the bottle body (604); and/or a second connecting end cover (402) is arranged at the upper end of the first-stage pretreatment filter element (201) and the upper end of the second-stage pretreatment filter element (202), and the second connecting end cover (402) is fixedly arranged on the bottle body (604); and/or a third connecting end cover (403) is arranged at the bottom end of the first-stage pretreatment filter element (201) and the second-stage pretreatment filter element (202), and a water passing channel formed by chaste tree twigs is arranged on the outer wall of the third connecting end cover (403);
when further comprising a center tube (602):
and/or a fourth connecting end cover (404) is arranged above the central pipe (602), and a gap is formed between the upper 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); and/or a sixth connecting end cover (406) is arranged below the first-stage aftertreatment filter element (204) and the second-stage aftertreatment filter element (205), and a water passing channel formed by chaste trees is arranged on the outer wall of the sixth connecting end cover (406).
11. The composite filter element assembly of claim 10, wherein:
a first sealing element (301) 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 second sealing member (302) is arranged on the upper part of the fine filtering filter element (203) and the inner wall of the third connecting end cover (403); and/or a third sealing member (303) is arranged between the lower part of the fine filtering filter element (203) and the sixth connecting end cover (406); and/or a fourth sealing member (304) is arranged between the lower outer peripheral wall of the first-stage aftertreatment filter element (204) and the inner peripheral wall of the central pipe (602); 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 fifth sealing element (305) is arranged on the outer wall of the lower end of the second post-treatment bottle body (603); and/or a sixth sealing member (306) is arranged on the peripheral wall of the lower end of the sixth connecting end cover (406); and/or a seventh sealing element (307) is arranged between the lower part of the central pipe (602) and the pure water outlet (703) of the bottle body (604).
12. The composite filter element assembly of claim 11, wherein:
a first cavity (501) is formed between the bottom of the sixth connecting end cover (406) and the bottle body (604); and/or a second cavity (502) is arranged between the periphery of the fine filtering filter element (203) and the bottle body (604); and/or a third cavity (503) is formed between the periphery of the first-stage pretreatment filter element (201) and the bottle body (604); and/or the interior of the second-stage pretreatment filter element (202) is provided with a fourth cavity (504) extending in the vertical direction; and/or a seventh cavity (507) is formed between the bottom end of the second-stage aftertreatment filter element (205) and the central tube (602); and/or an eighth cavity (508) is formed between the bottom of the fine filtering filter element (203) and the sixth connecting end cover (406), and the eighth cavity (508) is communicated with the concentrated water outlet (702); and/or a ninth cavity (509) is formed between the peripheral wall of the bottom of the central tube (602) and the sixth connecting end cover (406).
13. A water purification system, its characterized in that: comprising the composite filter element assembly of any of claims 1-12.
CN201921251799.6U 2019-08-02 2019-08-02 Compound filter element group spare and water purification system Active CN210367222U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110255749A (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
CN111389074A (en) * 2020-04-26 2020-07-10 珠海格力电器股份有限公司 Composite filter element and water purifier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110255749A (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
CN110255749B (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
CN111389074A (en) * 2020-04-26 2020-07-10 珠海格力电器股份有限公司 Composite filter element and water purifier

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