CN212142159U - 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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- CN212142159U CN212142159U CN202020187693.0U CN202020187693U CN212142159U CN 212142159 U CN212142159 U CN 212142159U CN 202020187693 U CN202020187693 U CN 202020187693U CN 212142159 U CN212142159 U CN 212142159U
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/26—Further operations combined with membrane separation processes
- B01D2311/2649—Filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/08—Flow guidance means within the module or the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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Abstract
The utility model provides a composite filter element assembly and a water purification system, wherein the composite filter element assembly comprises a bottle body (604) and a multi-stage filter element arranged inside the bottle body, and comprises a pretreatment filter element, a fine filtration filter element (203) and a post-treatment filter element assembly; the aftertreatment filter element group comprises a central pipe (602), and the central pipe (602) is made of filter materials capable of allowing fluid to pass through; the fluid is filtered by passing through the pretreatment filter element, the fine filtration filter element and the post-treatment filter element group in sequence, and a descaling filter element (204) is arranged between the pretreatment filter element and the fine filtration filter element (203) along the flowing direction of the fluid. By the utility model, after the water to be treated is treated by the sintered carbon rod and before entering the reverse osmosis filter element, the water is treated by the descaling filter element; thereby greatly reducing the possibility of scaling of the concentrated water in the composite filter element, effectively preventing the composite filter element from being blocked and prolonging the service life of the composite filter element.
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 the existing water purifying equipment, as purified water needs to be processed through a plurality of steps, 3-level and 4-level filter element assemblies are often needed, and water outlets and water inlets among different filter element assemblies are connected through external pipelines, so that the internal pipelines of the water purifying equipment are numerous and complex, and the water purifying equipment occupies a large space and is inconvenient to install and use; among the present composite filter element, generally adopt multistage filter element group spare integration in a cylindric casing, form composite filter element, the space of the purifier that significantly reduces occupies to easy to assemble and use.
However, in the composite filter element, because the design principle is to reduce the occupation of space, the internal structure is very compact, the concentrated water treated by the composite filter element is easy to form scale in a narrow internal space, and the pretreatment of the component which is easy to scale in the water to be treated is not arranged in the front pretreatment, which often causes too many components which are easy to scale in the concentrated water at the back, forms scale in the composite filter element, blocks the filter element and affects the service life of the filter element.
Patent document a composite filter element assembly and water purification system (publication No. CN110255743A) discloses a composite filter element comprising: the filter comprises a bottle body and more than five stages of filter elements arranged in the bottle body; because the pretreatment of water scales is not involved, the concentrated water treated by the RO membrane has too many easily-scaled components, and the composite filter element has narrow internal space and is easy to form scales in the composite filter element, thereby causing the blockage of the composite filter element.
Because purifier composite filter element inner structure among the prior art is inseparabler, thereby the dense water after RO membrane filters when constrictive composite filter element is inside to flow, thereby easy scale deposit leads to technical problem such as the inside jam of composite filter element, consequently the utility model discloses research and design a composite 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 purifier composite filter element among the prior art and exists because the inner structure is inseparabler, when the thick water after RO membrane filtration is at constrictive composite filter element inside flow, thereby easy scale deposit leads to the inside defect of blockking up of composite filter element to a composite filter element group spare and water purification system are provided.
The utility model provides a compound filter element group spare, it includes:
the device comprises a bottle body and a multi-stage filter element arranged in the bottle body, wherein the multi-stage filter element comprises a pretreatment filter element, a fine filtration filter element and a post-treatment filter element group; the post-treatment filter element group comprises a central tube made of water-permeable filter material; the fluid passes through the pretreatment filter element, the fine filtration filter element and the post-treatment filter element group in sequence to be filtered, and along the flowing direction of the fluid, a descaling filter element is also arranged between the pretreatment filter element and the fine filtration filter element.
Preferably, the first and second electrodes are formed of a metal,
the descaling filter element is of a cylindrical structure, and/or the descaling filter element is of a structure made of phosphate materials.
Preferably, the first and second electrodes are formed of a metal,
the descaling filter element comprises a descaling filter element body and is characterized in that a first baffle extending along the axial direction of the descaling filter element body is arranged on the radial outer side of the descaling filter element body, the height of the first baffle extending upwards in the axial direction is larger than or equal to the height of the descaling filter element body, and the height of the first baffle extending downwards in the axial direction is lower than or equal to the height of the bottom of the descaling filter element body.
Preferably, the first and second electrodes are formed of a metal,
the first baffle is a cylinder structure extending along the axial direction of the descaling filter element; and/or a second baffle is arranged at the bottom of the descaling filter element and connected with the first baffle.
Preferably, the first and second electrodes are formed of a metal,
the second baffle is integrally formed with the first baffle.
Preferably, the first and second electrodes are formed of a metal,
the multistage filter element is a filter element with more than five stages, the pretreatment filter element comprises a first-stage pretreatment filter element and a second-stage pretreatment filter element, and the post-treatment filter element group also comprises a 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 central tube and a post-treatment filter element; the descaling filter element is arranged in a cavity at the radial inner side of the second-stage pretreatment filter element.
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 positioned 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; and/or the fine filtering filter element is positioned below the first-stage pretreatment filter element or the second-stage pretreatment filter element, the central tube is sleeved inside the fine filtering filter element, and the post-treatment filter element is sleeved inside the central tube.
Preferably, the first and second electrodes are formed of a metal,
a supporting sleeve with a cylindrical structure is further arranged on the radial inner side of the central pipe, and at least one water through hole is further formed in the supporting sleeve; and/or the presence of a gas in the gas,
the interior of the center tube has a sixth cavity in which the aftertreatment cartridge is disposed.
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 filter material capable of allowing fluid to pass comprises: at least one of a carbon material, a polypropylene pp material and a ceramic material; and/or the post-treatment filter element is made of a micro-filtration membrane and/or an ultrafiltration membrane; and/or the post-treatment filter element is installed in an inverted mode.
Preferably, the first and second electrodes are formed of a metal,
the bottom or the top of the bottle body is provided with a water inlet, and a pure water outlet and a concentrated water outlet are also arranged on the bottle body and at the same side of the water inlet; the pure water outlet is arranged at the bottom end of the bottle body, and the lower end of the post-treatment filter element is communicated with the pure water outlet; and/or, 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.
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:
1. the utility model arranges the descaling filter element in the sintering carbon rod by arranging the descaling filter element in front of the RO membrane through the multistage filter element arranged in the bottle body and the descaling filter element arranged between the pretreatment filter element and the fine filtration filter element, so that the water to be treated is treated by the descaling filter element before entering the reverse osmosis filter element after being treated by the sintering carbon rod; thereby greatly reducing the possibility of scaling of the concentrated water in the composite filter element, effectively preventing the composite filter element from being blocked and prolonging the service life of the composite filter element;
2. the descaling filter element is arranged in the composite filter element, so that water to be treated flows into the descaling filter element from the top after flowing through the first-stage pretreatment filter element and the second-stage pretreatment filter element, then enters the fine filtration filter element from the bottom of the descaling filter element, then flows through the carbon rod central tube and the post-ultrafiltration treatment, pure water flows out from a middle outlet at the bottom of the composite filter element, and concentrated water flows out from a left outlet at the bottom of the composite filter element; if set up the scale removal filter core after ultrafiltration treatment, the dense water after the ultrafiltration needs certain pressure just can discharge, and the following dense water apopore is done comparatively less to increase pressure makes dense water discharge, but just so blocks up easily, and the utility model discloses a set up the scale removal filter core and set up in the ultrafiltration preceding (even the RO membrane is preceding), can reduce the material of easily scale deposit in the dense water, effectively prevent that the apopore from blockking up, and can also slow down the flow velocity of dense water.
3. And the utility model discloses a set up first baffle in scale removal filter core periphery, through setting up the baffle, make pending water come out the back through the sintering carbon stick, get into the scale removal filter core from the top of scale removal filter core, inside making pending water fully flow the scale removal filter core under the effect of gravity, make pending water and scale removal filter core fully contact, improve the utilization to the scale removal filter core, improve composite filter core's water purification effect.
4. The utility model discloses more than five grades of filter cores, along the flowing direction fluid of fluid pass through in proper order first level preliminary treatment filter core, second level preliminary treatment filter core, meticulous filter core, the center tube with the aftertreatment filter core is filtered, integral type composite filter core, it contains five grades of filter cores, can use alone and exert purification performance on the purifier, compare in current single-stage filter core or second grade, tertiary or even four-stage filter core, can realize five grades of filter effects in a bottle, can also make filter core subassembly and even purifier volume miniaturization when effectively improving filter effect, the filter core collects five grades of filter functions integratively, the life-span of each filter core has been matchd in the design, and the volume has been considered, so can not cause bulky, only can be than when independent filter core small; 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;
5. 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 perspective internal structure of a composite filter element assembly according to the present invention;
fig. 2 is a schematic view of the internal waterway flow direction structure of the composite filter element assembly of fig. 1.
The reference numbers in the figures denote:
10. a composite 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 descaling filter element; 204a, a first baffle; 204b, a second baffle; 205. post-treatment of the filter element; 504. a fourth cavity; 506. a sixth cavity; 602. a central tube; 604. a bottle body; 701. a water inlet; 702. a concentrated water outlet; 703. a pure water outlet; 202b, a support sleeve; 202a and a water through hole.
Detailed Description
As shown in fig. 1-2, the utility model provides a composite filter element assembly, its characterized in that: the method comprises the following steps:
the bottle body 604 and the multi-stage filter elements arranged inside the bottle body comprise a pretreatment filter element, a fine filtration filter element 203 and a post-treatment filter element group; the aftertreatment filter element group comprises a central tube 602, wherein the central tube 602 is made of filter materials capable of allowing fluid to pass through; the fluid is filtered by passing through the pretreatment filter element, the fine filtration filter element and the post-treatment filter element group in sequence, and a descaling filter element 204 is further arranged between the pretreatment filter element and the fine filtration filter element 203 along the flowing direction of the fluid.
The utility model arranges the descaling filter element in the sintering carbon rod by arranging the descaling filter element in front of the RO membrane through the multistage filter element arranged in the bottle body and the descaling filter element arranged between the pretreatment filter element and the fine filtration filter element, so that the water to be treated is treated by the descaling filter element before entering the reverse osmosis filter element after being treated by the sintering carbon rod; thereby greatly reducing the possibility of scaling of the concentrated water in the composite filter element, effectively preventing the composite filter element from being blocked and prolonging the service life of the composite filter element; if set up the scale removal filter core after ultrafiltration treatment, the dense water after the ultrafiltration needs certain pressure just can discharge, and the following dense water apopore is done comparatively less to increase pressure makes dense water discharge, but just so blocks up easily, and the utility model discloses a set up the scale removal filter core and set up in the ultrafiltration preceding (even the RO membrane is preceding), can reduce the material of easily scale deposit in the dense water, effectively prevent that the apopore from blockking up, and can also slow down the flow velocity of dense water.
Preferably, the first and second electrodes are formed of a metal,
the descaling filter element 204 is a cylindrical structure, and/or the descaling filter element 204 is a structure made of phosphate materials. This is the utility model discloses a descaling filter core's preferred structural style and its preferred material, can play the effect of effectively going out dirt such as incrustation scale, the raw water gets into inside the casing from the water inlet, flow along the casing inside wall is ascending, the paper folding pp of flowing through in proper order earlier, sintering carbon-point and descaling filter core, paper folding pp is earlier silt, large granule such as suspended solid is detached, then sintering carbon-point absorbs residual chlorine in the raw water, behind the raw water entering descaling filter core, descaling filter core absorbs most easy scale deposit composition, then water is under the effect of gravity, flow into in the formula reverse osmosis filter core, behind reverse osmosis filter core desalination, dense water flows from the second delivery port, treat that the water of further processing flows in carbon-point and filiform milipore filter in proper order, pure water after the processing flows from first delivery port, obtain pure water.
Preferably, the first and second electrodes are formed of a metal,
the radial outer side of the descaling filter element 204 is provided with a first baffle plate 204a extending along the axial direction, the height of the first baffle plate 204a extending upwards in the axial direction is greater than or equal to the height of the descaling filter element 204, and the height of the first baffle plate 204a extending downwards in the axial direction is less than or equal to the height of the bottom position of the descaling filter element 204. The first baffle is arranged on the periphery of the descaling filter element, so that water to be treated enters the descaling filter element from the top of the descaling filter element after coming out of the sintered carbon rod through the baffle, the water to be treated fully flows through the inside of the descaling filter element under the action of gravity, the water to be treated is fully contacted with the descaling filter element, the utilization of the descaling filter element is improved, and the water purification effect of the composite filter element is improved;
when the general cylindrical composite filter element is used, water to be treated generally permeates into the composite filter element from the side wall of the upper part of the composite filter element and then flows out from the bottom of the composite filter element; when water to be treated seeps from the side wall of the composite filter element, part of the water to be treated directly enters the interior of the composite filter element from the bottom of the descaling filter element under the action of gravity, and does not fully flow through the whole descaling filter element, so that the descaling filter element is not fully utilized.
And the utility model discloses encircle in scale removal filter core bottom and set up the baffle, when pending rivers through the scale removal filter core, under the effect of baffle, pending water can only get into the scale removal filter core from scale removal filter core top, and pending water flows down from the scale removal filter core bottom under the effect of gravity from last and gets into water purification department on next step, has effectively increased the area of contact of rivers with the abundant contact of scale removal filter core, improves scale removal efficiency.
Preferably, the first and second electrodes are formed of a metal,
the first baffle 204a is a cylindrical structure extending along the axial direction of the descaling filter element 204; and/or a second baffle plate 204b is further arranged at the bottom of the descaling filter element 204, and the second baffle plate 204b is connected with the first baffle plate 204 a. This is the utility model discloses an optimal structural style of first baffle to and can also play sealed effect to the bottom of scale removal filter core through the second baffle, thereby meet and form the structure of only top intaking to the scale removal filter core with first baffle, thereby increase the area of contact of water and scale removal filter core, the export of scale removal filter core is in its below central point department, improves the scale removal effect.
Preferably, the first and second electrodes are formed of a metal,
the second baffle 204b is integrally formed with the first baffle 204 a. This is the utility model discloses a further preferred structural style can make the two processing more convenient, further improves the leakproofness.
Preferably, the first and second electrodes are formed of a metal,
the multistage filter element is a filter element with more than five stages, the pretreatment filter element comprises a first-stage pretreatment filter element 201 and a second-stage pretreatment filter element 202, the post-treatment filter element group comprises a central tube 602 and a post-treatment filter element 205, and the central tube 602 is made of a filter material capable of allowing fluid to pass through; the fluid is filtered sequentially through the first stage pretreatment cartridge 201, the second stage pretreatment cartridge 202, the fine filtration cartridge 203, the center tube 602, and the post-treatment cartridge 205; the descaling cartridge 204 is disposed in a fourth cavity 504 radially inward of the second stage pretreatment cartridge 202.
The utility model discloses more than five grades of filter cores, along the flowing direction fluid of fluid pass through in proper order first level preliminary treatment filter core, second level preliminary treatment filter core, meticulous filter core, the center tube with the aftertreatment filter core is filtered, integral type composite filter core, it contains five grades of filter cores, can use alone and exert purification performance on the purifier, compare in current single-stage filter core or second grade, tertiary or even four-stage filter core, can realize five grades of filter effects in a bottle, can also make filter core subassembly and even purifier volume miniaturization when effectively improving filter effect, the filter core collects five grades of filter functions integratively, the life-span of each filter core has been matchd in the design, and the volume has been considered, so can not cause bulky, only can be than when independent filter core small; 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.
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 positioned 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; and/or the presence of a gas in the gas,
the fine filter element 203 is located below the first-stage pretreatment filter element 201 or the second-stage pretreatment filter element 202, the central tube 602 and the post-treatment filter element 205 are both sleeved inside the fine filter element 203, and the post-treatment filter element 205 is sleeved inside the central tube 602.
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. 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 central tube 602 and the post-treatment filter element 205 are filled in the central tube of the fine 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,
a supporting sleeve 202b with a cylindrical structure is further arranged on the radial inner side of the central pipe 602, and at least one water through hole 202a is further formed in the supporting sleeve 202 b; and/or the presence of a gas in the gas,
the center tube 602 has a sixth cavity 506 therein, and the aftertreatment cartridge 205 is disposed in the sixth cavity 506.
Preferably, the first and second electrodes are formed of a metal,
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 filter media material that can permeate water includes: at least one of a carbon material, a polypropylene pp material and a ceramic material; and/or the post-treatment filter element 205 is made of a micro-filtration membrane and/or an ultrafiltration membrane (the post-treatment filter element comprises a mounting seat and a hollow fiber membrane wire, the mounting seat is arranged at the lower end of the post-treatment filter element, the hollow fiber membrane wire is arranged at the upper end of the post-treatment filter element, the lower end of the post-treatment filter element is connected with the mounting seat, and the hollow fiber membrane wire extends upwards and extends out); and/or the aftertreatment cartridge 205 is flip-chip mounted; and/or the post-treatment filter element 205 is also provided with post-activated carbon 206 in the downstream of the fluid flow direction.
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; through the preferred material to the filter media material of center tube be at least one in carbon material, polypropylene pp material and the ceramic material, can realize allowing water to pass through and filter. The supporting sleeve is arranged on the radial inner side of the inner wall of the central tube, so that a material with a filtering function can be supported (because the material has a filtering function, the structural strength of the material is not enough to support or the supporting strength is not high enough), the effect of firmly fixing the central tube is improved, and a condition is provided for realizing a long-time filtering function; the 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,
a water inlet 701 is arranged 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 arranged on the bottle body 604 and at the same side with the water inlet; the pure water outlet 703 is arranged at the bottom end of the bottle body 604, and the lower end of the post-treatment filter element 205 is communicated with the pure water outlet 703; and/or 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. And the water after passing through the fine filtering filter element flows out through the central tube and the post-treatment filter element and is discharged from the bottom end, so that pure water is obtained. 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).
The utility model also provides a water purification system, it includes preceding arbitrary compound filter element group spare.
The utility model discloses lie in: the descaling filter element is arranged in the composite filter element, so that water to be treated flows into the descaling filter element from the top after flowing through the first-stage pretreatment filter element and the second-stage pretreatment filter element, then enters the fine filtration filter element from the bottom of the descaling filter element, then flows through the carbon rod central tube and the post-ultrafiltration treatment, pure water flows out from a middle outlet at the bottom of the composite filter element, and concentrated water flows out from a left outlet at the bottom of the composite filter element;
the composite filter element consists of 6 treatment filter elements, and comprises a descaling filter element, a folded paper pp, a sintered carbon rod, a roll type reverse osmosis filter element, a carbon rod central tube and a filamentous ultrafiltration membrane; combining the 6 treatment filter elements together, so that the sintered carbon rod is arranged on the outer side of the descaling filter element in a surrounding manner, the folded paper pp is coated on the outer side of the sintered carbon rod, and the descaling filter element, the sintered carbon rod and the folded paper pp are arranged at the upper end inside the composite filter element;
the bottom of the descaling filter element is surrounded with a baffle plate, when water to be treated flows through the descaling filter element, under the action of the baffle plate, the water to be treated can only enter the descaling filter element from the top of the descaling filter element, and the water to be treated flows out from the bottom of the descaling filter element from top to bottom under the action of gravity and enters the next step of water purification
The composite filter element has a compact internal structure, so that when concentrated water filtered by an RO membrane flows in the narrow composite filter element, the concentrated water is easy to scale so as to cause the internal blockage of the composite filter element; thereby greatly reducing the possibility of scaling of the concentrated water in the composite filter element and prolonging the service life of the composite filter element;
through setting up the baffle, make the water of pending through the back that the sintered carbon stick came out, get into the scale removal filter core from the top of scale removal filter core, inside making the water of pending fully flow through the scale removal filter core under the effect of gravity, make the water of pending fully contact with the scale removal filter core, improve the utilization to the scale removal filter core, improve composite filter core's water purification effect.
The composite filter element also comprises a shell, folded paper pp, a sintered carbon rod, a rolled reverse osmosis filter element, a carbon rod central tube and a filamentous ultrafiltration membrane; the sintered carbon rods are arranged around the outer side of the descaling filter element, the folded paper pp is arranged on the outer side of the sintered carbon rods, the descaling filter element, the sintered carbon rods and the folded paper pp are arranged at the top end of the inner part of the shell, the rolled reverse osmosis filter element, the carbon rod central tube and the filamentous ultrafiltration membrane are arranged inside the shell and are positioned below the descaling filter element, the carbon rod central tube is arranged around the filamentous ultrafiltration membrane, and the rolled reverse osmosis filter element is arranged around the outer side of the carbon rod central tube; the bottom of the shell is provided with a first water outlet, a second water outlet and a water inlet,
raw water enters the shell from the water inlet, rises and flows along the inner side wall of the shell, sequentially flows through the paper folding pp, the sintered carbon rod and the descaling filter element, the paper folding pp removes large particles such as silt and suspended matters, the sintered carbon rod absorbs residual chlorine in the raw water, the descaling filter element absorbs most of easily-scaling components after the raw water enters the descaling filter element, the water flows into the roll type reverse osmosis filter element under the action of gravity, the concentrated water flows out of the second water outlet after the desalination treatment of the reverse osmosis filter element, the water to be further treated sequentially flows into the carbon rod central tube and the filamentous ultrafiltration membrane, and the treated pure water flows out of the first water outlet to obtain pure water;
after being treated by a sintered carbon rod, the water to be treated is treated by a descaling filter element before entering a reverse osmosis filter element; thereby greatly reducing the possibility of scaling of the concentrated water in the composite filter element and prolonging the service life of the composite filter element;
through setting up seal baffle, make the water of pending through the back that the sintered carbon stick came out, get into the scale removal filter core from the top of scale removal filter core, inside making the water of pending fully flow through the scale removal filter core under the effect of gravity, make the water of pending fully contact with the scale removal filter core, improve the utilization to the scale removal filter core, improve composite filter core's water purification effect.
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 (11)
1. A composite filter element assembly, comprising: the method comprises the following steps:
the device comprises a bottle body (604) and a multi-stage filter element arranged inside the bottle body, wherein the multi-stage filter element comprises a pretreatment filter element, a fine filtration filter element (203) and a post-treatment filter element group; the aftertreatment filter element group comprises a central pipe (602), and the central pipe (602) is made of filter materials capable of allowing fluid to pass through; the fluid is filtered by passing through the pretreatment filter element, the fine filtration filter element and the post-treatment filter element group in sequence, and a descaling filter element (204) is arranged between the pretreatment filter element and the fine filtration filter element (203) along the flowing direction of the fluid.
2. The composite filter element assembly of claim 1, wherein:
the descaling filter element (204) is of a cylindrical structure, and/or the descaling filter element (204) is of a structure made of phosphate materials.
3. The composite filter element assembly of claim 2, wherein:
the radial outer side of the descaling filter element (204) is provided with a first baffle (204a) extending along the axial direction of the descaling filter element, the height of the first baffle (204a) extending upwards in the axial direction is larger than or equal to the height of the descaling filter element (204), and the height of the first baffle (204a) extending downwards in the axial direction is lower than or equal to the height of the bottom position of the descaling filter element (204).
4. The composite filter element assembly of claim 3, wherein:
the first baffle (204a) is a cylindrical structure extending along the axial direction of the descaling filter element (204); and/or a second baffle (204b) is arranged at the bottom of the descaling filter element (204), and the second baffle (204b) is connected with the first baffle (204 a).
5. The composite filter element assembly of claim 4, wherein:
the second baffle (204b) is integrally formed with the first baffle (204 a).
6. The composite filter element assembly according to any one of claims 1-5, wherein:
the multistage filter element is a filter element with more than five stages, the pretreatment filter element comprises a first-stage pretreatment filter element (201) and a second-stage pretreatment filter element (202), and the post-treatment filter element group further comprises a post-treatment filter element (205); the fluid is filtered by passing through the first stage pre-treatment filter element (201), the second stage pre-treatment filter element (202), the fine filtration filter element (203), the central tube (602) and the post-treatment filter element (205) in sequence; the descaling cartridge (204) is disposed in a fourth cavity (504) radially inward of the second stage pretreatment cartridge (202).
7. The composite filter element assembly of claim 6, wherein:
the first-stage pretreatment filter element (201) and the second-stage pretreatment filter element (202) are positioned 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); and/or the presence of a gas in the gas,
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 center tube (602) with aftertreatment filter core (205) are all set in the inside of meticulous filter core (203), just aftertreatment filter core (205) cover is located the inside of center tube (602).
8. The composite filter element assembly of claim 6, wherein:
a supporting sleeve (202b) with a cylindrical structure is further arranged on the radial inner side of the central pipe (602), and at least one water through hole (202a) is further formed in the supporting sleeve (202 b); and/or the presence of a gas in the gas,
the interior of the center tube (602) has a sixth cavity (506), and the aftertreatment cartridge (205) is disposed in the sixth cavity (506).
9. The composite filter element assembly of claim 6, 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 filter material capable of allowing fluid to pass comprises: at least one of a carbon material, a polypropylene pp material and a ceramic material; and/or the material of the post-treatment filter element (205) is a micro-filtration membrane and/or an ultrafiltration membrane; and/or the aftertreatment cartridge (205) is flip-chip mounted; and/or the post-treatment filter element (205) is also provided with post-activated carbon (206) in the downstream of the fluid flow direction.
10. The composite filter element assembly of claim 6, wherein:
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 position, which is on the same side as the water inlet, on the bottle body (604); the pure water outlet (703) is arranged at the bottom end of the bottle body (604), and the lower end of the post-treatment filter element (205) is communicated with the pure water outlet (703); and/or 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).
11. A water purification system, its characterized in that: comprising the composite filter element assembly of any one of claims 1-10.
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| CN202020186723.6U Active CN211886279U (en) | 2019-08-02 | 2020-02-19 | Roll up formula membrane module, compound filter element group spare and water purification system |
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| CN202010103366.7A Pending CN111185100A (en) | 2019-08-02 | 2020-02-19 | Central tube for roll type membrane, roll type membrane component and water purification system |
| CN202010103184.XA Pending CN111185096A (en) | 2019-08-02 | 2020-02-19 | Compound filter element group spare and water purification system |
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| CN109019777A (en) * | 2018-09-13 | 2018-12-18 | 珠海格力电器股份有限公司 | Reverse osmosis membrane filter core and water purifier |
| CN209276260U (en) * | 2018-12-07 | 2019-08-20 | 深圳市优点智联科技有限公司 | Composite filter element and water purifier with the composite filter element |
| CN111229057A (en) * | 2019-08-02 | 2020-06-05 | 珠海格力电器股份有限公司 | A composite filter element assembly 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 |
| CN110745978B (en) * | 2019-11-27 | 2024-08-02 | 珠海格力电器股份有限公司 | Filter element assembly and ultrafiltration water purifier |
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2020
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| CN111185097A (en) | 2020-05-22 |
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| CN112295417B (en) | 2023-04-25 |
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| WO2021164335A1 (en) | 2021-08-26 |
| CN111185098B (en) | 2025-02-14 |
| CN111185099A (en) | 2020-05-22 |
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| CN111185100A (en) | 2020-05-22 |
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| CN211886285U (en) | 2020-11-10 |
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