CN216935509U - Ultrafiltration flushing system and water purification equipment - Google Patents
Ultrafiltration flushing system and water purification equipment Download PDFInfo
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- CN216935509U CN216935509U CN202220053716.8U CN202220053716U CN216935509U CN 216935509 U CN216935509 U CN 216935509U CN 202220053716 U CN202220053716 U CN 202220053716U CN 216935509 U CN216935509 U CN 216935509U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 477
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 189
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 46
- 238000000746 purification Methods 0.000 title claims abstract description 33
- 239000002131 composite material Substances 0.000 claims abstract description 81
- 239000008213 purified water Substances 0.000 claims description 154
- 239000012528 membrane Substances 0.000 claims description 73
- 239000002351 wastewater Substances 0.000 claims description 60
- 238000010619 multiway switching Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 11
- 230000010354 integration Effects 0.000 description 10
- 239000010410 layer Substances 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The utility model relates to the technical field of water purification and flushing, and discloses an ultrafiltration flushing system, water purification equipment, a flushing method and electronic equipment. This ultrafiltration rinse-system has the advantage that realizes carrying out automatic washing to ultrafiltration composite filter core.
Description
Technical Field
The utility model relates to the technical field of water purification and flushing, in particular to an ultrafiltration flushing system and water purification equipment.
Background
The filter core ultrafiltration membrane has long service life, and can be cleaned for 3 years without replacement. Meanwhile, the application of the ultrafiltration membrane in a water purification system can be used as a pretreatment filter element and a post-treatment filter element. The existing ultrafiltration membrane cleaning mode is manual disassembly and cleaning, but brings much inconvenience to users, so that the ultrafiltration membrane cleaning technology needs to be deeply researched.
The existing ultrafiltration membrane automatic cleaning technology comprises the following steps: the raw water is positively and negatively flushed, but the filter element is flushed back by using the purified water in the water storage tank when the water is more blocked due to washing in places with poor water quality, but the mode has the situations of more parts, large volume and high cost, and the mode of combining the parallel independent ultrafiltration and the plurality of electric ball valves has the situations of more parts, large volume and high cost.
In addition, the prior art flushing systems are unable to perform the automatic flushing function.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the present invention is to overcome the defect that the ultrafiltration flushing system in the prior art cannot complete automatic flushing, so as to provide an ultrafiltration flushing system and a water purification apparatus.
According to a first aspect of the present invention, there is provided an ultrafiltration flush system comprising:
the system comprises at least two raw water inlet pipelines, at least two wastewater outlet pipelines, a water purification pipeline and an ultrafiltration composite filter element, wherein a first water inlet, a second water inlet and a water purification outlet are respectively formed on the ultrafiltration composite filter element, the at least two raw water inlet pipelines are connected through at least one multi-way switching first integrated valve or a water inlet valve is arranged on each raw water inlet pipeline, the at least two wastewater outlet pipelines are connected through at least one multi-way switching second integrated valve or a wastewater valve is arranged on each wastewater outlet pipeline, the at least two raw water inlet pipelines are respectively communicated with the first water inlet and the second water inlet, and the water purification pipeline is communicated with the water purification outlet; in a flushing state, one of the raw water inlet pipelines is communicated in a switching mode through the first integrated valve or one of the raw water inlet pipelines is opened through the water inlet valve, the other raw water inlet pipelines are closed, meanwhile, one of the waste water outlet pipelines corresponding to one of the raw water inlet pipelines is closed in a switching mode through the second integrated valve or the waste water outlet pipeline corresponding to one of the raw water inlet pipelines is closed through the waste water valve, and therefore flushing of the ultrafiltration composite filter element is achieved.
Wherein, the water purification export includes first water purification delivery port and second water purification delivery port, ultrafiltration composite filter core includes: a housing; the inner shell is nested in the outer shell and is suitable for dividing the inner space of the outer shell into a first filter element chamber and a second filter element chamber, and the open ends of the first filter element chamber and the second filter element chamber are respectively communicated with an external pipeline; the first filter element is arranged in the first filter element chamber, and is provided with a first ultrafiltration membrane, a first water inlet and a first purified water outlet; the second filter element is arranged in the second filter element chamber, is provided with a second ultrafiltration membrane and is provided with a second water inlet and a second purified water outlet; the ultrafiltration composite filter element is suitable for being switched among a water producing state, a first filter element backflushing second filter element state and a second filter element backflushing first filter element state according to the conduction state of the water inlet and the water outlet.
When the ultrafiltration composite filter element is in the water making state, the first water inlet and the second water inlet are water inlets, the first purified water outlet and the second purified water outlet are water outlets, and the first water inlet is communicated with the first filter element cavity and is communicated with the first purified water outlet after passing through the first ultrafiltration membrane; the second water inlet is communicated with the second filter element cavity and communicated with the second purified water outlet after passing through the second ultrafiltration membrane.
When the ultrafiltration composite filter element is in a state of backflushing a first filter element with a second filter element, the first water inlet and the second purified water outlet are water inlets, the first purified water outlet and the second water inlet are water outlets, the first water inlet is communicated with the first filter element cavity, is communicated with the first purified water outlet and the second purified water outlet sequentially from the outer side to the inner side of the first ultrafiltration membrane, and is communicated with the second water inlet after passing through the second ultrafiltration membrane.
The shell is provided with an upper water outlet, when the ultrafiltration composite filter element is in a state of backflushing a first filter element with a second filter element, the first water inlet and the second purified water outlet are water inlets, the first purified water outlet and the second water inlet are water outlets, the first water inlet is communicated with the first filter element cavity, is communicated with the first purified water outlet and the second purified water outlet in sequence from the outer side to the inner side of the first ultrafiltration membrane, and then flows out of the upper water outlet after passing through the second ultrafiltration membrane.
When the ultrafiltration composite filter element is in a state that the second filter element backflushes to the first filter element, the first purified water outlet and the second water inlet are water inlets, the first water inlet and the second purified water outlet are water outlets, the second water inlet is communicated with the second filter element cavity, is communicated with the second purified water outlet and the first purified water outlet sequentially from the outer side to the inner side of the second ultrafiltration membrane, and is communicated with the first water inlet from the inner side to the outer side of the first ultrafiltration membrane.
The inner shell with it can link up to construct on the shell the inner shell with the lower delivery port of shell, work as when ultrafiltration composite filter core is in the first filter core state of second filter core recoil, first water purification delivery port reaches the second water inlet is the water inlet, first water inlet reaches second water purification delivery port is the delivery port, the second water inlet with second filter core cavity intercommunication, and via the outside to the inboard back of second milipore filter according to the preface with second water purification delivery port, first water purification delivery port intercommunication, then via follow behind the inboard to the outside of first milipore filter the delivery port flows down.
Wherein, still include: and the filter element seat body is suitable for being in sealing fit connection with the open end of the ultrafiltration composite filter element and is provided with a loop which is equal to the total number of the water inlet and the water outlet.
The first purified water outlet and the second purified water outlet are two independent outlets which are respectively communicated with an external pipeline.
The first purified water outlet and the second purified water outlet are communicated to a connecting outlet inside the ultrafiltration composite filter element, and the connecting outlet is communicated with an external pipeline.
Wherein, when first water purification delivery port with when second water purification delivery port is two independent exports, the filter core pedestal includes: the first loop is communicated with the first water inlet and provided with a first loop opening which is suitable for communicating the first water inlet with an external pipeline; the second loop is communicated with the first purified water outlet and is provided with a second loop opening which is suitable for communicating the first purified water outlet with an external pipeline; the third loop is communicated with the second water inlet, is provided with a third loop opening and is suitable for communicating the second water inlet with an external pipeline; the central circular channel is communicated with the second purified water outlet and provided with a central circular channel opening which is suitable for communicating the second purified water outlet with an external pipeline and is communicated with the second circular channel opening; and the main water purifying port is communicated with the central circular channel opening and the second circular channel opening and is suitable for communicating the first purified water outlet and the second purified water outlet with an external pipeline.
Wherein, when first clean water outlet with the second clean water outlet is in the inside intercommunication of ultrafiltration composite filter element converges to a outlet that converges, the filter core pedestal includes: the first loop is communicated with the first water inlet and provided with a first loop opening which is suitable for communicating the first water inlet with an external pipeline; the third loop is communicated with the second water inlet, is provided with a third loop opening and is suitable for communicating the second water inlet with an external pipeline; the central circular channel is communicated with the confluence outlet, is provided with a central circular channel opening and is suitable for communicating the confluence outlet with an external pipeline; and the main water purifying port is communicated with the central circular channel through the central circular channel opening hole and is suitable for communicating the confluence outlet with an external pipeline.
The first filter element and the second filter element are arranged in an up-and-down mode or in an inner-and-outer layer mode.
According to a second aspect of the present invention, there is also provided a water purification apparatus comprising the ultrafiltration flushing system described above.
Compared with the prior art, the ultrafiltration flushing system provided by the utility model has the following advantages:
in the ultra-filtration flushing system, under the flushing state, one of the raw water inlet pipelines is switched and communicated through the first integrated valve or one of the raw water inlet pipelines is switched and communicated through the water inlet valve, the other raw water inlet pipelines are closed, meanwhile, one of the waste water outlet pipelines corresponding to one of the raw water inlet pipelines is switched and closed through the second integrated valve, or the waste water outlet pipeline corresponding to one of the raw water inlet pipelines is closed through the waste water valve, and the other waste water outlet pipelines are opened to realize the flushing of the ultra-filtration composite filter element, so that the normal water production mode and the ultra-filtration membrane cleaning mode can be realized by additionally arranging the ultra-filtration composite filter element and matching the ultra-filtration composite filter element with at least one first integrated valve, at least one second integrated valve or a plurality of water inlet valves and a plurality of waste water valves, the automatic cleaning of the ultrafiltration membrane is realized by opening and closing different valves.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of an ultrafiltration flushing system according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of an ultrafiltration flushing system according to a second embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of an ultrafiltration flushing system according to a third embodiment of the present invention;
FIG. 4 is a schematic diagram showing the overall structure of an ultrafiltration flushing system according to a fourth embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an ultrafiltration composite filter element of the first embodiment in FIG. 1, wherein the filter elements are arranged on the upper side and the lower side;
FIG. 5a is a schematic structural diagram of an ultrafiltration composite filter element of the second embodiment in FIG. 1, wherein the filter elements are arranged on the upper side and the lower side;
FIG. 6 is a schematic view of the ultrafiltration composite filter element of FIG. 5 in a water production state;
FIG. 7 is a schematic view of a first cartridge backflushing a second cartridge in the ultrafiltration composite cartridge of FIG. 5;
FIG. 8 is a schematic view of a second cartridge backflushing the first cartridge in the ultrafiltration composite cartridge of FIG. 5;
FIG. 9 is a schematic view of the ultrafiltration composite filter element of FIG. 5 mated with a filter element holder;
FIG. 10 is a schematic view of the ultrafiltration composite filter element of FIG. 1 with the filter elements arranged on the inner and outer layers; fig. 11 is a top view of the cartridge body of fig. 9;
fig. 12 is a sectional view a-a of fig. 11.
Description of reference numerals:
b 1: a raw water inlet pipeline; b 2: a wastewater outlet pipeline; b 3: a water purification pipeline; b 4: a first integration valve; b 5: a second integration valve; b 6: a water inlet valve; b 7: a waste water valve; a 1: an ultrafiltration composite filter element; a 11: a first ultrafiltration membrane; a 12: a second ultrafiltration membrane; a 2: a housing; a 3: an inner shell; a 41: a first water inlet; a 42: a second water inlet; a 51: a first purified water outlet; a 52: a second purified water outlet; a 6: a filter element seat body; a 61: a first loop; a 611: opening a first loop;
a 62: a second loop; a 621: opening a second loop; a 63: a third loop; a 631: opening a third loop; a 64: a central circular path; a 641: opening a hole on the central circular path; a 65: a total clean water gap; a71, an upper water outlet; a 72: and a lower water outlet.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 12, the ultrafiltration flushing system is schematically shown to comprise at least two raw water inlet pipes b1, at least two waste water outlet pipes b2, a purified water pipe b3 and an ultrafiltration composite filter element a 1.
In the embodiment of the present application, a first water inlet a41, a second water inlet a42 and a purified water outlet are respectively formed on the ultrafiltration composite filter element a1, at least two raw water inlet pipes b1 are connected by at least one multi-way switching first integrated valve b4 or a water inlet valve b6 is provided on each raw water inlet pipe b1, at least two waste water outlet pipes b2 are connected by at least one multi-way switching second integrated valve b5 or a waste water valve b7 is provided on each waste water outlet pipe, at least two raw water inlet pipes b1 are respectively communicated with a first water inlet a41 and a second water inlet a42, and the purified water pipe b3 is communicated with a purified water outlet a 52.
In a flushing state, one of the raw water inlet pipelines b1 is opened through the first integration valve b4 in a switching manner or one of the raw water inlet pipelines b1 is opened through the water inlet valve b6, the other raw water inlet pipelines b1 are closed, meanwhile, one of the waste water outlet pipelines b2 corresponding to one of the raw water inlet pipelines b1 is closed through the second integration valve b5 in a switching manner, the waste water outlet pipeline b2 corresponding to one of the raw water inlet pipelines b1 is closed through the waste water valve b7, and the other waste water outlet pipelines b2 are opened, so that the ultrafiltration composite filter element a1 is flushed. Specifically, in a flushing state, one of the raw water inlet pipelines b1 is switched and communicated through the first integrated valve b4, one of the raw water inlet pipelines b1 is opened through a water inlet valve b6, the other raw water inlet pipelines b1 are closed, meanwhile, the other waste water outlet pipelines b2 are opened through the second integrated valve b5 to switch and close one of the waste water outlet pipelines b2 corresponding to one of the raw water inlet pipelines b1 or close the waste water outlet pipeline b2 corresponding to one of the raw water inlet pipelines b1 through the waste water valve b7, so as to flush the ultrafiltration composite filter element a1, and thus, the flushing system of the application can realize a normal water production mode and a flushing mode by additionally arranging the ultrafiltration composite filter element a1 and matching the ultrafiltration composite filter element with at least one first integrated valve b4, at least one second integrated valve b5 or a plurality of ultrafiltration membranes b6 and a plurality of waste water valves b7, the automatic cleaning of the ultrafiltration membrane is realized by opening and closing different valves.
It should be noted that the first integration valve b4 and the second integration valve b5 may be ordinary two-way switching valves, in addition to the structures described in the following embodiments.
As shown in fig. 5 to 12, in a preferred embodiment of the present application, the clean water outlet includes a first clean water outlet a51 and a second clean water outlet a52, and the present embodiment provides an ultrafiltration composite filter element a1, which includes:
outer shell a 2;
an inner shell a3 nested in the outer shell a2, wherein the inner shell a3 is suitable for dividing the inner space of the outer shell a2 into a first filter element chamber and a second filter element chamber, and the open ends of the first filter element chamber and the second filter element chamber are respectively communicated with an external pipeline;
the first filter element is arranged in the first filter element chamber, is provided with a first ultrafiltration membrane a11, and is provided with a first water inlet a41 and a first purified water outlet a51, and the first water inlet a41 and the first purified water outlet a51 are respectively communicated with the inner side and the outer side of the first ultrafiltration membrane a 11;
the second filter element is arranged in the second filter element chamber, is provided with a second ultrafiltration membrane a12, and is provided with a second water inlet a42 and a second purified water outlet a52, and the second water inlet a42 and the second purified water outlet a52 are respectively communicated with the inner side and the outer side of the second ultrafiltration membrane a 12;
the ultrafiltration composite filter element is suitable for being switched among a water producing state, a first filter element backflushing second filter element state and a second filter element backflushing first filter element state according to the conduction state of the water inlet and the water outlet.
It should be noted that one end of the ultrafiltration composite filter core is open and is communicated with an external pipeline, and the external pipeline refers to a pipeline for supplying or draining water to the ultrafiltration composite filter core; the water production state refers to a working state that the first filter element and the second filter element are both in a state that raw water is introduced from a water inlet, and the raw water is filtered by the ultrafiltration membrane and then is discharged from a water outlet to obtain purified water; the state that the first filter element backflushs the second filter element refers to the working state that only the first filter element prepares purified water, and the prepared purified water is used for flushing an ultrafiltration membrane of the second filter element; the state that the second filter element backflushs the first filter element refers to the working state that only the second filter element prepares purified water, and the prepared purified water is used for flushing an ultrafiltration membrane of the first filter element; the outer sides of the inner side and the outer side refer to the side which is in contact with raw water when the filter element is in a water making state, and the inner sides of the inner side and the outer side refer to the opposite side of the outer side.
In a preferred embodiment of the present application, a first protection layer is disposed on the outer side of the first ultrafiltration membrane a11, and a plurality of through holes are disposed on the first protection layer and adapted to communicate the first ultrafiltration membrane a11 with the first filter element chamber.
In a preferred embodiment of the present application, a second protective layer is disposed outside the second ultrafiltration membrane a12, a spacing layer is formed between the second protective layer and the inner shell a3, and the first filter element is communicated with the first purified water outlet a51 through the spacing layer.
In a preferred embodiment of the present application, the water production mode of the first ultrafiltration membrane a11 and the second ultrafiltration membrane a12 is an external pressure type.
In a preferred embodiment of the present application, a positional arrangement of the first water inlet a41, the first purified water outlet a51, the second water inlet a42 and the second purified water outlet a52 is sequentially arranged from outside to inside.
In a preferred embodiment of the present application, the ultrafiltration composite cartridge comprises at least two cartridges.
Specifically, when the ultrafiltration composite filter element is in the water production state, the first water inlet a41 and the second water inlet a42 are water inlets, the first purified water outlet a51 and the second purified water outlet a52 are water outlets, and the first water inlet a41 is communicated with the first filter element chamber and is communicated with the first purified water outlet a51 after passing through the first ultrafiltration membrane a 11; the second water inlet a42 is communicated with the second filter element chamber, and is communicated with the second purified water outlet a52 after passing through the second ultrafiltration membrane a 12.
It should be noted that the ultrafiltration composite filter element of the present application can realize filtration from outside to inside, and can also realize filtration from inside to outside.
Taking the filtration from outside to inside as an example: when the ultrafiltration composite filter element is in the water making state, raw water enters the first filter element chamber through the first water inlet a41, purified water is obtained after filtration through the first ultrafiltration membrane a11, the obtained purified water flows through a spacing layer between the second ultrafiltration membrane and the inner shell a3 to reach the first purified water outlet a51, and the purified water is discharged to an external pipeline through the first purified water outlet a 51; meanwhile, raw water in the parallel flow path enters the second filter element chamber through the second water inlet a42, purified water is prepared after being filtered by the second ultrafiltration membrane a12, and the prepared purified water is discharged to an external pipeline through the second purified water outlet a 52.
Specifically, when the ultrafiltration composite filter element is in a first filter element backflushing second filter element state, the first water inlet a41 and the second purified water outlet a52 are water inlets, the first purified water outlet a51 and the second water inlet a42 are water outlets, the first water inlet a41 is communicated with the first filter element chamber, sequentially communicated with the first purified water outlet a51 and the second purified water outlet a52 from the outer side to the inner side of the first ultrafiltration membrane a11, and then communicated with the second water inlet a42 from the inner side to the outer side of the second ultrafiltration membrane a 12. When the ultrafiltration composite filter element is in a state that the first filter element backflushes the second filter element, only the first filter element is used for preparing purified water, raw water enters the first filter element chamber from the first water inlet a41, the purified water is prepared and obtained through the first ultrafiltration membrane a11, the prepared purified water flows out of the first purified water outlet a51 and then enters the second filter element from the second purified water outlet a52, the purified water flows through the second ultrafiltration membrane a12 and is used for cleaning the second ultrafiltration membrane a12, and the cleaned wastewater is discharged from the second water inlet a 42.
Specifically, when the ultrafiltration composite filter element is in a state of backflushing the second filter element with the first filter element, the first purified water outlet a51 and the second water inlet a42 are water inlets, the first water inlet a41 and the second purified water outlet a52 are water outlets, the second water inlet a42 is communicated with the second filter element chamber, and is sequentially communicated with the second purified water outlet a52 and the first purified water outlet a51 from the outer side to the inner side of the second ultrafiltration membrane a12, and is communicated with the first water inlet a41 from the inner side to the outer side of the first ultrafiltration membrane a 11.
In a preferred embodiment of the present application, an upper water outlet is configured on the casing a2, when the ultrafiltration composite filter element is in a first filter element backflushing second filter element state, the first water inlet a41 and the second purified water outlet a52 are water inlets, the first purified water outlet a51 and the second water inlet a42 are water outlets, the first water inlet a41 is communicated with the first filter element chamber, and is sequentially communicated with the first purified water outlet a51 and the second purified water outlet a52 from the outside to the inside of the first ultrafiltration membrane a11, and is then communicated with the second water inlet a42 from the inside to the outside of the second ultrafiltration membrane a12, and then flows out of the upper water outlet a71 from the second ultrafiltration membrane a 12.
When the ultrafiltration composite filter element is in a state that the second filter element backflushes the first filter element, only the second filter element is used for preparing purified water, raw water enters the second filter element chamber from the second water inlet a42, the purified water is obtained through preparation after passing through the second ultrafiltration membrane a12, the prepared purified water flows out of the second purified water outlet a52 and then enters the first filter element chamber from the first purified water outlet a51, the purified water flows through the first ultrafiltration membrane a11 and is used for cleaning the first ultrafiltration membrane a11, and the cleaned wastewater is discharged from the first water inlet a 41.
In a preferred embodiment of the present application, when the ultrafiltration composite filter element is in a state of backflushing the second filter element with the first filter element, the first purified water outlet a51 and the second water inlet a42 are water inlets, the first water inlet a41 and the second purified water outlet a52 are water outlets, the second water inlet a42 is communicated with the second filter element chamber, and is sequentially communicated with the second purified water outlet a52 and the first purified water outlet a51 from the outside to the inside of the second ultrafiltration membrane a12, and then flows out from the lower water outlet a72 from the inside to the outside of the first ultrafiltration membrane a 11.
In the ultrafiltration composite filter element provided by the embodiment, the inner shell a3 is arranged to divide the inner space of the outer shell a2 into a first filter element chamber and a second filter element chamber, a first filter element is arranged in the first filter element chamber, and a second filter element is arranged in the second filter element chamber, so that the parallel composite arrangement of the two filter elements is realized, and the overall volume of the ultrafiltration composite filter element is effectively reduced; simultaneously, through setting up first filter core includes first water inlet a41 and first water purification delivery port a51 the second filter core includes second water inlet a42 and second water purification delivery port a52, realizes ultrafiltration composite filter core switches over between three kinds of states of water preparation state, first filter core recoil second filter core state and second filter core recoil first filter core state according to the on-state of water inlet and delivery port, just ultrafiltration composite filter core is in switching over between three kinds of states only need change the on-state of water inlet and delivery port and can realize, simple structure, convenient operation, and the cleaning performance is good, is favorable to promoting user satisfaction.
Specifically, the ultrafiltration composite filter element further comprises: and the filter element seat body a6 is suitable for being in sealing fit connection with the open end of the ultrafiltration composite filter element and is provided with a loop which is equal to the total number of the water inlet and the water outlet.
Specifically, the first purified water outlet a51 and the second purified water outlet a52 are two independent outlets, which are respectively communicated with an external pipeline.
Specifically, the first purified water outlet a51 and the second purified water outlet a52 are communicated and converged to a confluence outlet inside the ultrafiltration composite filter element, and the confluence outlet is communicated with an external pipeline.
Specifically, when the first purified water outlet a51 and the second purified water outlet a52 are two independent outlets, the cartridge housing a6 includes: a first loop a61 communicating with the first water inlet a41, the first loop a61 being provided with a first loop opening a611 adapted to communicate the first water inlet a41 with an external pipe;
a second loop a62 communicating with the first purified water outlet a51, the second loop a62 being provided with a second loop opening a621 adapted to communicate the first purified water outlet a51 with an external pipeline;
a third loop a63 communicating with the second water inlet a42, the third loop a63 being provided with a third loop opening a631 adapted to communicate the second water inlet a42 with an external pipe;
the central circular channel a64 is communicated with the second purified water outlet a52, the central circular channel a64 is provided with a central circular channel opening a641 which is suitable for communicating the second purified water outlet a52 with an external pipeline, and the central circular channel opening a641 is communicated with the second circular channel opening a 621;
and a main purified water outlet a65, which is communicated with the central circular opening a641 and the second circular opening a621 and is suitable for communicating the first purified water outlet a51 and the second purified water outlet a52 with an external pipeline.
It should be noted that the central circular opening a641 is communicated with the second circular opening a621, so that the first purified water outlet a51 is communicated with the second purified water outlet a52, when the ultrafiltration composite filter element is in the first filter element backflushing second filter element state or the second filter element backflushing first filter element state, the main purified water outlet a65 is closed, and at this time, the purified water produced by the filter elements cannot be discharged into an external pipeline, so that the purified water produced by one filter element can flow into another filter element through a passage between the first purified water outlet a51 and the second purified water outlet a52, and is used for washing the ultrafiltration membrane.
In a preferred embodiment of the present application, the ultrafiltration composite cartridge comprises at least two cartridges, and when the number of the cartridges is 3, the cartridge body a6 comprises 5 loops and a central loop.
Specifically, when the first purified water outlet a51 and the second purified water outlet a52 are communicated with each other inside the ultrafiltration composite filter element and merged to a merging outlet, the filter element seat a6 comprises: a first loop a61 communicating with the first water inlet a41, the first loop a61 being provided with a first loop opening a611 adapted to communicate the first water inlet a41 with an external pipe;
a third loop a63 communicating with the second water inlet a42, the third loop a63 being provided with a third loop opening a631 adapted to communicate the second water inlet a42 with an external pipe;
a central circular passage a64 communicating with the confluence outlet, the central circular passage a64 being provided with a central circular passage opening a641 adapted to communicate the confluence outlet with an external pipe;
and the total water purifying port a65 is communicated with the central circular channel a64 through the central circular channel opening a641 and is suitable for communicating the confluence outlet with an external pipeline.
In a preferred embodiment of the present application, when the number of the cartridges is 3, the cartridge body a6 includes 3 loops and a central circular path.
In a preferred embodiment of the present application, the circular path and the central circular path of the filter cartridge seat a6 are in sealing fit with the water inlet and the water outlet through sealing rings.
It should be noted that, when the ultrafiltration composite filter element a1 is in the first filter element backflushing second filter element state or the second filter element backflushing first filter element state, the total purified water port a65 is closed, and at this time, the purified water produced by the filter elements cannot be discharged to an external pipeline, and the first purified water outlet a51 and the second purified water outlet a52 are communicated and converged to a confluence outlet inside the ultrafiltration composite filter element, that is, the first purified water outlet a51 and the second purified water outlet a52 are in a conduction state, so that the purified water produced by one filter element can flow into another filter element through a passage between the first purified water outlet a51 and the second purified water outlet a52 to flush the ultrafiltration membrane.
The ultrafiltration composite filter element a1 that this embodiment provided has the ring way that equals with water inlet and delivery port total number through setting up filter core pedestal a6, and every ring way corresponds with a water inlet or a delivery port respectively, and every the ring way is provided with the trompil of outside pipeline intercommunication respectively, realizes water inlet and delivery port communicate with outside pipeline respectively, is convenient for right the water inlet reaches the control of delivery port on-state, thereby be convenient for realize ultrafiltration composite filter element is in make water state first filter core recoil second filter core state reaches switch between the three kinds of states of second filter core recoil first filter core state.
In the ultrafiltration composite filter element a1 provided by this embodiment, the filter element seat body a6 includes a total purified water port a65, the total purified water port a65 is communicated with the water outlet, and is adapted to guide purified water discharged from the first purified water outlet a51 and the second purified water outlet a52 to an external pipeline when the ultrafiltration composite filter element is in a water production state; when the ultrafiltration composite filter element is in a state that the first filter element backflushs the second filter element or a state that the second filter element backflushes the first filter element, the total water purifying port a65 is closed, and purified water prepared by the filter element cannot be discharged to an external pipeline, so that the purified water flows through a flow path communicated with the first purified water outlet a51 and the second purified water outlet a52, and one filter element backflushs the other filter element.
Specifically, the first filter element and the second filter element are arranged in an up-and-down manner or an inner-and-outer layer manner.
The ultrafiltration composite filter element a1 that this embodiment provided, through setting up first filter core with the second filter core is the mode of arranging that sets up from top to bottom or ectonexine set up, can all realize ultrafiltration composite filter element's compact structure is favorable to reducing whole volume, and two kinds of modes can freely be selected according to actual conditions, increase the selectivity, are favorable to using widely.
On the water purification outlet pipeline of two milipore filter, promptly: comprises a first purified water outlet pipeline, a first purified water outlet a51, a second purified water outlet pipeline and a second purified water outlet a52, wherein the first purified water outlet pipeline and the second purified water outlet pipeline are communicated and converged.
In another embodiment: only one clean water pipeline and one clean water outlet (the filter element is converged).
The ultrafiltration water inlet end (raw water inlet pipeline b1) is provided with at least one multi-way switching integrated valve or at least 2 water inlet valves, and the ultrafiltration wastewater outlet end (wastewater outlet pipeline b2) is provided with at least one multi-way switching integrated valve or at least 2 wastewater valves.
And (3) a normal water making mode: the inlet valve b6 is opened and the waste valve b7 is closed.
Ultrafiltration flushing mode:
the tap clean water port is closed, one of the water inlet valves b6 is opened, one of the waste water valves b7 is closed, the other of the water inlet valves b6 is closed, and the other of the waste water valves b7 is opened, so that backwashing on the first ultrafiltration membrane a11 or the second ultrafiltration membrane a12 is realized.
In another embodiment: the at least two water inlet valves b6 are integrated with a multi-way switching first integration valve b4, the at least two waste water valves b7 are integrated with a multi-way switching second integration valve b5, and the flushing mode of the ultrafiltration composite filter element a1 is realized through the switching of the first integration valve b4 and the second integration valve b 5.
The waste water outlet pipeline b2 has two modes, one is selected.
Two milipore filter set up two waste water outlet and two motorised valves, solenoid valve live ceramic valve, promptly: a first wastewater discharge port, a second wastewater discharge port, a first wastewater electric valve, an electromagnetic valve or a ceramic valve, a second wastewater electric valve, an electromagnetic valve or a ceramic valve.
Two raw water inlet pipelines b1 of the two ultrafiltration membranes are respectively provided with a waste water outlet pipeline b2, namely: a first wastewater outlet pipeline, a second wastewater outlet pipeline, a first wastewater electric valve, an electromagnetic valve or a ceramic valve, a second wastewater electric valve, an electromagnetic valve or a ceramic valve.
According to a second aspect of the present invention, there is also provided a water purification apparatus comprising the ultrafiltration flushing system of the above embodiment. Wherein, the water purification equipment is preferably a water purifier.
In summary, in the ultrafiltration flushing system of the present application, in the flushing state, one of the raw water inlet pipelines b1 is switched and communicated through the first integrated valve b4 or one of the raw water inlet pipelines b1 is opened through the water inlet valve b6, the other raw water inlet pipelines b1 are closed, and at the same time, one of the wastewater outlet pipelines b2 corresponding to one of the raw water inlet pipelines b1 is switched and closed through the second integrated valve b5, or the wastewater outlet pipeline b2 corresponding to one of the raw water inlet pipelines b1 is closed through the wastewater valve b7, and the other wastewater outlet pipelines b2 are opened to flush the ultrafiltration composite filter element a1, so that the ultrafiltration composite filter element a1 is additionally provided and matched with at least one first integrated valve b4, at least one second integrated valve b5 or a plurality of matched with water inlet valves b6 and a plurality of wastewater valves b7, the normal water making mode and the ultrafiltration membrane cleaning mode can be realized, and the ultrafiltration membrane can be automatically cleaned by opening and closing different valves.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (14)
1. An ultrafiltration rinse system, comprising:
the system comprises at least two raw water inlet pipelines, at least two wastewater outlet pipelines, a water purification pipeline and an ultrafiltration composite filter element, wherein a first water inlet, a second water inlet and a water purification outlet are respectively formed on the ultrafiltration composite filter element, the at least two raw water inlet pipelines are connected through at least one multi-way switching first integrated valve or a water inlet valve is arranged on each raw water inlet pipeline, the at least two wastewater outlet pipelines are connected through at least one multi-way switching second integrated valve or a wastewater valve is arranged on each wastewater outlet pipeline, the at least two raw water inlet pipelines are respectively communicated with the first water inlet and the second water inlet, and the water purification pipeline is communicated with the water purification outlet;
in a flushing state, one of the raw water inlet pipelines is switched and communicated through the first integrated valve or opened through the water inlet valve, the other raw water inlet pipelines are closed, and meanwhile, one of the waste water outlet pipelines or the waste water outlet pipeline corresponding to one of the raw water inlet pipelines is switched and closed through the second integrated valve
And closing the waste water outlet pipeline corresponding to one of the raw water inlet pipelines through the waste water valve, and opening the other waste water outlet pipelines so as to realize the flushing of the ultrafiltration composite filter element.
2. The ultrafiltration flush system of claim 1, wherein the clean water outlet comprises a first clean water outlet and a second clean water outlet, the ultrafiltration composite cartridge comprising: a housing;
the inner shell is nested in the outer shell and is suitable for dividing the inner space of the outer shell into a first filter element chamber and a second filter element chamber, and the open ends of the first filter element chamber and the second filter element chamber are respectively communicated with an external pipeline;
the first filter element is arranged in the first filter element chamber, and is provided with a first ultrafiltration membrane, a first water inlet and a first purified water outlet;
the second filter element is arranged in the second filter element chamber, is provided with a second ultrafiltration membrane and is provided with a second water inlet and a second purified water outlet;
the ultrafiltration composite filter element is suitable for being switched among a water producing state, a first filter element backflushing second filter element state and a second filter element backflushing first filter element state according to the conduction state of the water inlet and the water outlet.
3. The ultrafiltration flushing system of claim 2, wherein when the ultrafiltration composite filter element is in the water production state, the first and second water inlets are water inlets, the first and second purified water outlets are water outlets, and the first water inlet is in communication with the first filter element chamber and is in communication with the first purified water outlet after passing through the first ultrafiltration membrane; the second water inlet is communicated with the second filter element cavity and communicated with the second purified water outlet after passing through the second ultrafiltration membrane.
4. The ultrafiltration flushing system of claim 2, wherein when the ultrafiltration composite filter element is in a state of backflushing the first filter element to the second filter element, the first water inlet and the second purified water outlet are water inlets, the first purified water outlet and the second water inlet are water outlets, and the first water inlet is communicated with the first filter element chamber, is sequentially communicated with the first purified water outlet and the second purified water outlet after passing through the outside of the first ultrafiltration membrane to the inside of the first ultrafiltration membrane, and is communicated with the second water inlet after passing through the second ultrafiltration membrane.
5. The ultrafiltration flushing system of claim 2, wherein the housing is configured with a top water outlet, and when the ultrafiltration composite filter element is in a first filter element backflushing second filter element state, the first water inlet and the second purified water outlet are water inlets, the first purified water outlet and the second water inlet are water outlets, the first water inlet is communicated with the first filter element chamber, and is sequentially communicated with the first purified water outlet and the second purified water outlet after passing through the first ultrafiltration membrane from the outer side to the inner side, and then flows out of the top water outlet after passing through the second ultrafiltration membrane.
6. The ultrafiltration flushing system of claim 2, wherein when the ultrafiltration composite filter element is in a second filter element backflushing first filter element state, the first and second clean water outlets are water inlets, the first and second clean water outlets are water outlets, and the second water inlet is communicated with the second filter element chamber, sequentially communicated with the second clean water outlet and the first clean water outlet from the outside to the inside of the second ultrafiltration membrane, and sequentially communicated with the first water inlet from the inside to the outside of the first ultrafiltration membrane.
7. The ultrafiltration flushing system of claim 2, wherein a lower water outlet is formed in the inner and outer shells and penetrates through the inner and outer shells, when the ultrafiltration composite filter element is in a second filter element backflushing first filter element state, the first and second clean water outlets are water inlets, the first and second clean water outlets are water outlets, the second water inlet is communicated with the second filter element chamber, and is sequentially communicated with the second clean water outlet and the first clean water outlet from the outside to the inside of the second ultrafiltration membrane, and then flows out of the lower water outlet from the inside to the outside of the first ultrafiltration membrane.
8. The ultrafiltration flush system of claim 2, further comprising: and the filter element seat body is suitable for being in sealing fit connection with the open end of the ultrafiltration composite filter element and is provided with a loop which is equal to the total number of the water inlet and the water outlet.
9. The ultrafiltration flushing system of claim 2, wherein the first and second clean water outlets are two independent outlets, each of which is connected to an external pipeline.
10. The ultrafiltration flush system of claim 8, wherein the first and second clean water outlets communicate within the ultrafiltration composite filter element to a connection outlet that communicates with an external line.
11. The ultrafiltration flushing system of claim 9, wherein when the first and second clean water outlets are two independent outlets, the cartridge housing comprises: the first loop is communicated with the first water inlet and provided with a first loop opening which is suitable for communicating the first water inlet with an external pipeline;
the second loop is communicated with the first purified water outlet and is provided with a second loop opening which is suitable for communicating the first purified water outlet with an external pipeline;
the third loop is communicated with the second water inlet and provided with a third loop opening which is suitable for communicating the second water inlet with an external pipeline;
the central circular channel is communicated with the second purified water outlet and provided with a central circular channel opening which is suitable for communicating the second purified water outlet with an external pipeline and is communicated with the second circular channel opening;
and the main water purifying port is communicated with the central circular channel opening and the second circular channel opening and is suitable for communicating the first purified water outlet and the second purified water outlet with an external pipeline.
12. The ultrafiltration flushing system of claim 10, wherein when the first purified water outlet and the second purified water outlet are communicatively connected to a connection outlet inside the ultrafiltration composite filter element, the filter element housing comprises: the first loop is communicated with the first water inlet and provided with a first loop opening which is suitable for communicating the first water inlet with an external pipeline;
the third loop is communicated with the second water inlet and provided with a third loop opening which is suitable for communicating the second water inlet with an external pipeline;
the central circular channel is communicated with the connecting outlet and is provided with a central circular channel opening suitable for communicating the connecting outlet with an external pipeline;
and the main water purifying port is communicated with the central circular channel through the central circular channel opening hole and is suitable for communicating the connecting outlet with an external pipeline.
13. The ultrafiltration flushing system of any one of claims 2 to 12, wherein the first filter element and the second filter element are arranged in an up-down or inner-outer arrangement.
14. A water purification apparatus comprising an ultrafiltration flush system as claimed in any one of claims 1 to 13.
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| CN202111272059 | 2021-10-29 | ||
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| CN202220053716.8U Active CN216935509U (en) | 2021-10-29 | 2022-01-10 | Ultrafiltration flushing system and water purification equipment |
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| CN114288862A (en) * | 2021-10-29 | 2022-04-08 | 珠海格力电器股份有限公司 | Ultrafiltration flushing system, water purification equipment, flushing method and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116081717A (en) * | 2022-11-30 | 2023-05-09 | 珠海格力电器股份有限公司 | Control method, control device, electronic equipment, water purifier and storage medium |
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| DE3215533A1 (en) * | 1982-04-26 | 1983-10-27 | Cillichemie Ernst Vogelmann Gmbh & Co, 7100 Heilbronn | Backwashable filter apparatus |
| CN201713358U (en) * | 2010-03-26 | 2011-01-19 | 深圳市诚德来实业有限公司 | Water purifier with automatic flushing function |
| CN101816854A (en) * | 2010-05-11 | 2010-09-01 | 佛山市水的净水产品开发有限公司 | Automatic mutual purified water jet type back-flushing purified water primary filter device with double filter elements |
| CN205838718U (en) * | 2016-07-11 | 2016-12-28 | 浙江沁园水处理科技有限公司 | Water saving water purifier and rearmounted composite filter element thereof |
| CN106902639A (en) * | 2017-04-22 | 2017-06-30 | 宁波清水坊环保科技有限公司 | Backwash water cleaning systems |
| AU2018100019A4 (en) * | 2018-01-09 | 2018-02-15 | Christopher Toy | Water filtration device |
| CN209934478U (en) * | 2018-12-25 | 2020-01-14 | 宁波方太厨具有限公司 | Hollow fiber membrane filter element |
| CN112973257B (en) * | 2021-02-18 | 2022-04-22 | 珠海格力电器股份有限公司 | Filter element anti-blocking detection method and device, storage medium and water purification equipment |
| CN113350872B (en) * | 2021-05-04 | 2022-12-09 | 安徽美蓝环境科技有限公司 | Filter element parallel operation and back flush control method for two-filter-element integrated water circuit board |
| CN114288862A (en) * | 2021-10-29 | 2022-04-08 | 珠海格力电器股份有限公司 | Ultrafiltration flushing system, water purification equipment, flushing method and electronic equipment |
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| CN114288862A (en) * | 2021-10-29 | 2022-04-08 | 珠海格力电器股份有限公司 | Ultrafiltration flushing system, water purification equipment, flushing method and electronic equipment |
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