CN206529313U - Ultrafiltration membrane water purification system and water purification equipment - Google Patents
Ultrafiltration membrane water purification system and water purification equipment Download PDFInfo
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- CN206529313U CN206529313U CN201720057925.9U CN201720057925U CN206529313U CN 206529313 U CN206529313 U CN 206529313U CN 201720057925 U CN201720057925 U CN 201720057925U CN 206529313 U CN206529313 U CN 206529313U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 352
- 239000012528 membrane Substances 0.000 title claims abstract description 217
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 205
- 238000000746 purification Methods 0.000 title claims abstract description 79
- 239000010865 sewage Substances 0.000 claims abstract description 41
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 238000011010 flushing procedure Methods 0.000 claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 14
- 239000008213 purified water Substances 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000001223 reverse osmosis Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 4
- 239000012510 hollow fiber Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The embodiment of the utility model discloses milipore filter water purification system and water purification unit, milipore filter water purification system includes: the device comprises a first ultrafiltration membrane filter element, a second ultrafiltration membrane filter element, a water outlet electromagnetic valve, a first sewage discharge electromagnetic valve and a second sewage discharge electromagnetic valve; the water inlet of the first ultrafiltration membrane filter element is connected with a water inlet pipeline, the water outlet of the first ultrafiltration membrane filter element is connected with a water outlet pipeline through the water outlet electromagnetic valve, and the flushing port of the first ultrafiltration membrane filter element is connected with a drainage pipeline through the first sewage discharge electromagnetic valve; the water inlet of the second ultrafiltration membrane filter element is connected with the water inlet pipeline, the water outlet of the second ultrafiltration membrane filter element is connected with the water outlet pipeline through the water outlet electromagnetic valve, and the flushing port of the second ultrafiltration membrane filter element is connected with the drainage pipeline through the second sewage discharge electromagnetic valve. The embodiment of the utility model provides a solve the unable normal use's of current filtration membrane system when washing problem, under the prerequisite that reduces water purification unit cost, realized the effect that also can normal use at the in-process that the milipore filter washed.
Description
Technical Field
The embodiment of the utility model provides a relate to water purification treatment technical field, especially relate to an milipore filter water purification system and water purification unit.
Background
At present, the living standard of people in the society is continuously improved, the living quality is relatively improved, but along with the development of industrialization, the environmental pollution is increasingly aggravated, especially the occurrence of water pollution causes great harm to the health of people, and therefore, the water purifying equipment gradually becomes one of indispensable equipment for the life of people.
The water purifier is also called water purifier and water filter, and is water treatment equipment for deeply filtering and purifying water according to the use requirement of water, and the technical core of the water purifier is a filtering membrane system. The traditional filtering membrane system can intercept the filtered filth in the filtering membrane filter element, and the filth needs to be periodically disassembled and washed or replaced manually, thereby wasting time and labor or having high cost. Self-cleaning filter membrane systems have therefore appeared, which are provided with a self-cleaning function, typically by means of an auxiliary storage pressure tank, and by adding a passage for the washing water to achieve the self-cleaning function of the filter membrane.
However, the filtering membrane system with the water storage pressure tank and the washing water channel has high cost and cannot be normally used in the cleaning process, which brings inconvenience to users.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an ultrafiltration membrane water purification system and water purification unit to solve the unable normal use problem of user in current water purification unit with high costs and the ultrafiltration membrane washing process.
In a first aspect, an embodiment of the present invention provides an ultrafiltration membrane water purification system, including:
the device comprises a first ultrafiltration membrane filter element, a second ultrafiltration membrane filter element, a water outlet electromagnetic valve, a first sewage discharge electromagnetic valve and a second sewage discharge electromagnetic valve;
the water inlet of the first ultrafiltration membrane filter element is connected with a water inlet pipeline, the water outlet of the first ultrafiltration membrane filter element is connected with a water outlet pipeline through the water outlet electromagnetic valve, and the flushing port of the first ultrafiltration membrane filter element is connected with a drainage pipeline through the first sewage discharge electromagnetic valve;
the water inlet of the second ultrafiltration membrane filter element is connected with the water inlet pipeline, the water outlet of the second ultrafiltration membrane filter element is connected with the water outlet pipeline through the water outlet electromagnetic valve, and the flushing port of the second ultrafiltration membrane filter element is connected with the drainage pipeline through the second sewage discharge electromagnetic valve;
the first sewage discharge electromagnetic valve and the water outlet electromagnetic valve are opened, the second sewage discharge electromagnetic valve is closed, raw water entering the first ultrafiltration membrane filter element is used for flushing the first ultrafiltration membrane filter element, and meanwhile, the second ultrafiltration membrane filter element is used for filtering the entering raw water and outputting purified water; or,
the second blowdown solenoid valve with the play water solenoid valve is opened, and first blowdown solenoid valve is closed, gets into the raw water of second milipore filter core is used for right the second milipore filter core washes, simultaneously, first milipore filter core is used for filtering and exporting the water purification the raw water that gets into.
In a second aspect, an embodiment of the present invention provides a water purifying apparatus, including the embodiment of the present invention provides an arbitrary ultrafiltration membrane water purifying system.
The embodiment of the utility model provides a be connected with inlet channel, outlet conduit and drainage pipe through the ultrafiltration filter core, by corresponding solenoid valve control water flow direction to solve the unable normal use's of current filtration membrane system when washing problem, realized also can guarantee normal system water at the in-process that the ultrafiltration membrane filter core washed, also reduced water purification unit's cost through simple solenoid valve control.
Drawings
Fig. 1 is a schematic structural diagram of an ultrafiltration membrane water purification system provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an ultrafiltration membrane water purification system provided by the second embodiment of the present invention;
FIG. 3 is a schematic structural view of a water purifying apparatus provided in the third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a water purification apparatus provided by the fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic structural diagram of an ultrafiltration membrane water purification system provided by the embodiment of the utility model, which can be used for purifying raw water and ensuring the safety and health of drinking water. As shown in fig. 1, the ultrafiltration membrane water purification system 10 includes: the device comprises a first ultrafiltration membrane filter element 11, a second ultrafiltration membrane filter element 12, a water outlet electromagnetic valve 51, a first sewage discharge electromagnetic valve 61, a second sewage discharge electromagnetic valve 62, a water inlet pipeline 21, a water outlet pipeline 31 and a water outlet pipeline 41. Wherein, the water inlet of the first ultrafiltration membrane filter element 11 is connected with the water inlet pipeline 21, the water outlet is connected with the water outlet pipeline 31 through the water outlet electromagnetic valve 51, and the flushing port is connected with the water drainage pipeline 41 through the first pollution discharge electromagnetic valve 61; the water inlet of the second ultrafiltration membrane cartridge 12 is connected with the water inlet pipe 21, the water outlet is connected with the water outlet pipe 31 through the water outlet electromagnetic valve 51, and the flushing port is connected with the water discharge pipe 41 through the second blowdown electromagnetic valve 62.
Specifically, milipore filter water purification system 10 has four at least modes of operation, and first milipore filter core 11 and second milipore filter core 12 normally make water simultaneously promptly, and second milipore filter core 12 normally makes water when washing first milipore filter core 11, and first milipore filter core 11 normally makes water when washing second milipore filter core 12, washes first milipore filter core 11 and second milipore filter core 12 simultaneously.
When the first ultrafiltration membrane filter element 11 and the second ultrafiltration membrane filter element 12 simultaneously produce water normally, the water outlet electromagnetic valve 51 is opened, and the first sewage discharge electromagnetic valve 61 and the second sewage discharge electromagnetic valve 62 are closed. Raw water enters the first ultrafiltration membrane filter element 11 and the second ultrafiltration membrane filter element 12 from two branches of the water inlet pipeline 21 respectively for filtration, and the filtered purified water is output to the water outlet pipeline 31 through the opened water outlet electromagnetic valve 51. The adoption of two ultrafiltration membrane filter cores can increase the filtration water flow, and is convenient for users to use.
When the second ultrafiltration membrane filter element 12 normally produces water while the first ultrafiltration membrane filter element 11 is flushed, the first drain electromagnetic valve 61 and the water outlet electromagnetic valve 51 are opened, and the second drain electromagnetic valve 62 is closed. Raw water enters the first ultrafiltration membrane filter element 11 and the second ultrafiltration membrane filter element 12 respectively through two branches of the water inlet pipeline 21. After the raw water entering the first ultrafiltration membrane filter element 11 washes the surface of the filter membrane of the first ultrafiltration membrane filter element 11, the sewage is discharged to the drainage pipeline 41 through the first sewage discharge electromagnetic valve 61; the raw water entering the second ultrafiltration membrane cartridge 12 is filtered by the second ultrafiltration membrane cartridge 12, and then purified water is output to the water outlet pipe 31 through the opened water outlet electromagnetic valve 51.
When the first ultrafiltration membrane filter element 11 normally produces water while the second ultrafiltration membrane filter element 12 is flushed, the second pollution discharge electromagnetic valve 62 and the water outlet electromagnetic valve 51 are opened, and the first pollution discharge electromagnetic valve 61 is closed. Raw water enters the first ultrafiltration membrane filter element 11 and the second ultrafiltration membrane filter element 12 respectively through two branches of the water inlet pipeline 21. The raw water entering the first ultrafiltration membrane filter element 11 is filtered by the first ultrafiltration membrane filter element 11, and then purified water is output to the water outlet pipeline 31 through the opened water outlet electromagnetic valve 51; after the raw water entering the second ultrafiltration membrane filter element 12 washes the surface of the filter membrane of the second ultrafiltration membrane filter element 12, the sewage is discharged to the drainage pipeline 41 through the second blowdown electromagnetic valve 62.
When the first ultrafiltration membrane cartridge 11 and the second ultrafiltration membrane cartridge 12 are simultaneously flushed, the first drain solenoid valve 61 and the second drain solenoid valve 62 are opened, and the water outlet solenoid valve 51 is closed. The first ultrafiltration membrane filter element 11 is washed by raw water entering the first ultrafiltration membrane filter element 11 from the water inlet pipeline 21, and sewage is discharged to the water discharge pipeline 41 through the first sewage discharge electromagnetic valve 61; the raw water entering the second ultrafiltration membrane filter element 12 from the water inlet pipe 21 washes the second ultrafiltration membrane filter element 12, and discharges the sewage to the water discharge pipe 41 through the second sewage discharge electromagnetic valve 62. Those skilled in the art can understand that in the present embodiment, the first ultrafiltration membrane cartridge 11 and the second ultrafiltration membrane cartridge 12 can be separately flushed, and the first drain solenoid valve 61 or the second drain solenoid valve 62 is opened to separately flush the first ultrafiltration membrane cartridge 11 or the second ultrafiltration membrane cartridge 12, which is not described herein again.
The embodiment of the utility model provides a be connected with inlet channel, outlet conduit and drainage pipe respectively through two milipore filter cores, by corresponding solenoid valve control water flow direction for when washing one of them milipore filter core, another one can be normal system water, thereby solve the unable normal use's of current filtration membrane system when washing problem, under the prerequisite that reduces the water purification unit cost, realized also can guarantee normal system water at the in-process that the milipore filter core washed, thereby guarantee user's water supply demand.
Example two
Fig. 2 is a schematic structural diagram of an ultrafiltration membrane water purification system provided by the second embodiment of the present invention, and this embodiment is optimized on the basis of the second embodiment, and the ultrafiltration membrane water purification system 10 is additionally provided with a first water inlet electromagnetic valve 71 and a second water inlet electromagnetic valve 72. As shown in fig. 3, the water inlet of the first ultrafiltration membrane cartridge 11 is connected to the water inlet pipe 21 through a first water inlet solenoid valve 71, and the water inlet of the second ultrafiltration membrane cartridge 12 is connected to the water inlet pipe 21 through a second water inlet solenoid valve 72.
Wherein, the first water inlet electromagnetic valve 71 is used for leading raw water of the water inlet pipeline 21 to enter the first ultrafiltration membrane filter element 11 when the first water inlet electromagnetic valve is opened; the second water inlet solenoid valve 72 is used for allowing raw water in the water inlet pipe 21 to enter the second ultrafiltration membrane filter element 12 when the second water inlet solenoid valve is opened.
Specifically, the first ultrafiltration membrane filter element 11 and the second ultrafiltration membrane filter element 12 of the ultrafiltration membrane water purification system 10 can independently and normally produce water, and can perform forward washing or backward washing on one of the ultrafiltration membranes.
When normal water is produced alone, the first water inlet electromagnetic valve 71 or the second water inlet electromagnetic valve 72 is opened, the water outlet electromagnetic valve 51 is opened at the same time, and other electromagnetic valves are closed. Raw water entering from the water inlet pipeline 21 is filtered by the first ultrafiltration membrane filter element 11 or the second ultrafiltration membrane filter element 12 through the first water inlet electromagnetic valve 71 or the second water inlet electromagnetic valve 72, and filtered purified water is output to the water outlet pipeline 31 through the water outlet electromagnetic valve 51.
When the first ultrafiltration membrane filter element 11 is positively flushed, the first water inlet electromagnetic valve 71 and the first drain electromagnetic valve 61 are opened, and other electromagnetic valves are closed. The raw water washes the first ultrafiltration membrane cartridge 11 through the first water inlet solenoid valve 71, and discharges the sewage to the drain line 41 through the first sewage discharge solenoid valve 61.
When the second ultrafiltration membrane cartridge 12 is flushed in the forward direction, the second water inlet solenoid valve 72 and the second drain solenoid valve 62 are opened, and the other solenoid valves are closed. The raw water washes the second ultrafiltration membrane cartridge 12 through the second water inlet solenoid valve 72, and discharges the sewage to the drain line 41 through the second drain solenoid valve 62.
Those skilled in the art can understand that in this embodiment, the first ultrafiltration membrane cartridge 11 and the second ultrafiltration membrane cartridge 12 can also be flushed forward at the same time, the first water inlet solenoid valve 71, the second water inlet solenoid valve 72, the first drain solenoid valve 61, and the second drain solenoid valve 62 are opened, and the water outlet solenoid valve 51 is closed, so that the simultaneous forward flushing of the first ultrafiltration membrane cartridge 11 and the second ultrafiltration membrane cartridge 12 can be realized, and the specific process is not described herein again.
When the first ultrafiltration membrane filter element 11 is backwashed, the second water inlet electromagnetic valve 72 and the first drain electromagnetic valve 61 are opened, and the first water inlet electromagnetic valve 71, the second drain electromagnetic valve 62 and the water outlet electromagnetic valve 51 are closed. Raw water enters the second ultrafiltration membrane filter element 12 from the water inlet pipeline 21 through the second water inlet electromagnetic valve 72 for filtration, filtered purified water enters the first ultrafiltration membrane filter element 11 through the water outlet of the first ultrafiltration membrane filter element 11, and the entered purified water washes the first ultrafiltration membrane filter element 11 and is discharged through the first sewage discharge electromagnetic valve 61.
When the second ultrafiltration membrane cartridge 12 is backwashed, the first water inlet solenoid valve 71 and the second sewage discharge solenoid valve 62 are opened, and the second water inlet solenoid valve 72, the first sewage discharge solenoid valve 61 and the water outlet solenoid valve 51 are closed. Raw water enters the first ultrafiltration membrane filter element 11 from the water inlet pipeline 21 through the first water inlet electromagnetic valve 71 for filtration, filtered purified water enters the second ultrafiltration membrane filter element 12 through the water outlet of the second ultrafiltration membrane filter element 12, and the entered purified water washes the second ultrafiltration membrane filter element 12 and is discharged through the second pollution discharge electromagnetic valve 62.
Optionally, the embodiment of the utility model provides an ultrafiltration membrane water purification system 10 can carry out the back flush to first ultrafiltration membrane filter core 11 and second ultrafiltration membrane filter core 12 respectively.
Specifically, the second ultrafiltration membrane filter element 12 can normally produce water when the first ultrafiltration membrane filter element 11 is subjected to back flushing; and when the second ultrafiltration membrane filter element 12 is reversely flushed, the first ultrafiltration membrane filter element 11 can normally produce water.
When the first ultrafiltration membrane filter element 11 performs back flushing and the second ultrafiltration membrane filter element 12 normally produces water, the second water inlet electromagnetic valve 72, the first sewage discharge electromagnetic valve 61 and the water outlet electromagnetic valve 51 are opened, and the first water inlet electromagnetic valve 71 and the second sewage discharge electromagnetic valve 62 are closed. The second ultrafiltration membrane filter element 12 filters the entering raw water, the filtered purified water is output to the water outlet pipeline 31 through the water outlet electromagnetic valve 51, meanwhile, part of the purified water also enters the first ultrafiltration membrane filter element 11 through the water outlet of the first ultrafiltration membrane filter element 11, and the entering purified water washes the first ultrafiltration membrane filter element 11 and is discharged through the first blowdown electromagnetic valve 61.
When the first ultrafiltration membrane filter element 11 normally produces water while the second ultrafiltration membrane filter element 12 performs back flushing, the first water inlet electromagnetic valve 71, the second sewage discharge electromagnetic valve 62 and the water outlet electromagnetic valve 51 are opened, and the second water inlet electromagnetic valve 72 and the first sewage discharge electromagnetic valve 61 are closed. The first ultrafiltration membrane filter element 11 filters the entering raw water, the filtered purified water is output to the water outlet pipeline 31 through the water outlet electromagnetic valve 51, meanwhile, part of the purified water also enters the second ultrafiltration membrane filter element 12 through the water outlet of the second ultrafiltration membrane filter element 12, and the entering purified water washes the second ultrafiltration membrane filter element 12 and is discharged through the second pollution discharge electromagnetic valve 62.
Optionally, the first ultrafiltration membrane cartridge 11 and the second ultrafiltration membrane cartridge 12 are both external pressure type ultrafiltration membrane cartridges.
Specifically, the external pressure type ultrafiltration membrane filter element is used for outputting purified water by raw water permeating through hollow fibers from outside to inside along the radial direction through a water outlet pipeline by pressure difference. The intercepted substances are collected outside the hollow fibers of the ultrafiltration membrane filter elements, and the filter elements can be washed by straight raw water, or the purified water filtered by one ultrafiltration membrane filter element is used for carrying out reverse washing on the other ultrafiltration membrane filter element from the inside of the hollow fibers to the outside, and the sewage is discharged through a drainage pipeline.
The embodiment of the utility model provides a through increasing two solenoid valves that intake, control respectively and get into the raw water of two milipore filter cores to the realization carries out forward and back flush respectively to the milipore filter core, guarantees the normal system water of milipore filter core simultaneously.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a water purifying apparatus provided by the third embodiment of the present invention, which can purify raw water, for example, a water purifying machine. As shown in fig. 3, the water purifying apparatus 30 includes any one of the ultrafiltration membrane water purifying systems 10 provided in the embodiment of the present invention.
The embodiment of the utility model provides a through set up in water purification unit the embodiment of the utility model provides an ultrafiltration membrane water purification system can realize when the ultrafiltration membrane washes in water purification unit, guarantees normal system water.
Example four
Fig. 4 is a schematic structural diagram of a water purification apparatus provided in the fourth embodiment of the present invention, which is optimized on the basis of the fourth embodiment, and a pretreatment unit 301 and/or a reverse osmosis unit 302 are/is added.
The pretreatment unit 301 is connected with the ultrafiltration membrane water purification system 10, comprises sand, chemical fiber, granular carbon or an activated carbon filter element, or any combination thereof, and is used for filtering water entering and/or flowing out of the ultrafiltration membrane water purification system 10;
the reverse osmosis unit 302 is connected with the ultrafiltration membrane water purification system 10 and comprises at least one layer of reverse osmosis membrane.
Optionally, the water purification apparatus 30 further comprises a control unit 303.
The control unit 303 is connected to the ultrafiltration membrane water purification system 10, and is configured to control the first blowdown solenoid valve 61, the second blowdown solenoid valve 62, and the water outlet solenoid valve 51 of the ultrafiltration membrane water purification system 10 to be opened or closed, so that the ultrafiltration membrane water purification system 10 performs a filtering operation and/or a rinsing operation.
Specifically, when the ultrafiltration membrane water purification system 10 of the water purification apparatus 30 has the first ultrafiltration membrane filter element 11, the second ultrafiltration membrane filter element 12, the first drain solenoid valve 61, the second drain solenoid valve 62 and the water outlet solenoid valve 51, if the control unit 303 controls the water outlet solenoid valve 51 to be opened, and the first drain solenoid valve 61 and the second drain solenoid valve 62 are closed, the first ultrafiltration membrane filter element 11 and the second ultrafiltration membrane filter element 12 both produce water normally; if the control unit 303 controls the first blowdown electromagnetic valve 61 and the water outlet electromagnetic valve 51 to be opened and the second blowdown electromagnetic valve 62 to be closed, the second ultrafiltration membrane filter element 12 normally produces water while the first ultrafiltration membrane filter element 11 is positively flushed; if the control unit 303 controls the second blowdown electromagnetic valve 62 and the water outlet electromagnetic valve 51 to be opened and the first blowdown electromagnetic valve 61 to be closed, the first ultrafiltration membrane filter element 11 normally produces water while the second ultrafiltration membrane filter element 12 is positively flushed; if the control unit 303 controls the first drain solenoid valve 61 and the second drain solenoid valve 62 to be opened and the water outlet solenoid valve 51 to be closed, the first ultrafiltration membrane cartridge 11 and the second ultrafiltration membrane cartridge 12 are both flushed.
When the ultrafiltration membrane water purification system 10 of the water purification device 30 is additionally provided with the first water inlet electromagnetic valve 71 and the second water inlet electromagnetic valve 72 on the basis of the above system, if the control unit 303 controls the first water inlet electromagnetic valve 71 and the water outlet electromagnetic valve 51 to be opened and the electromagnetic valves of other ultrafiltration membrane water purification systems 10 to be closed, the first ultrafiltration membrane filter element 11 is used for independently and normally producing water; if the control unit 303 controls the second water inlet electromagnetic valve 72 and the water outlet electromagnetic valve 51 to be opened and the electromagnetic valves of other ultrafiltration membrane water purification systems 10 to be closed, the second ultrafiltration membrane filter element 12 independently produces normal water; if the control unit 303 controls the first water inlet electromagnetic valve 71 and the first sewage draining electromagnetic valve 61 to be opened and the electromagnetic valves of other ultrafiltration membrane water purification systems 10 to be closed, the first ultrafiltration membrane filter element 11 is independently flushed; if the control unit 303 controls the second water inlet electromagnetic valve 72 and the second blowdown electromagnetic valve 62 to be opened and the electromagnetic valves of the other ultrafiltration membrane water purification systems 10 to be closed, the second ultrafiltration membrane filter element 12 is independently flushed; if the control unit 303 controls the first water inlet electromagnetic valve 71, the second water inlet electromagnetic valve 72, the first drain electromagnetic valve 61 and the second drain electromagnetic valve 62 to be opened and the electromagnetic valves of other ultrafiltration membrane water purification systems 10 to be closed, the first ultrafiltration membrane filter element 11 and the second ultrafiltration membrane filter element 12 are flushed at the same time; if the control unit 303 controls the first water inlet electromagnetic valve 71, the second water inlet electromagnetic valve 72 and the second blowdown electromagnetic valve 62 to be opened and the electromagnetic valves of other ultrafiltration membrane water purification systems 10 to be closed, the second ultrafiltration membrane filter element 12 is subjected to reverse flushing; if the control unit 303 controls the first water inlet electromagnetic valve 71, the second water inlet electromagnetic valve 72 and the first drain electromagnetic valve 61 to be opened and the electromagnetic valves of other ultrafiltration membrane water purification systems 10 to be closed, the first ultrafiltration membrane filter element 11 is subjected to reverse flushing; if the control unit 303 controls the first water inlet solenoid valve 71, the second blowdown solenoid valve 62 and the water outlet solenoid valve 51 to be opened and controls the second water inlet solenoid valve 72 to be closed, the first ultrafiltration membrane filter element 11 normally produces water while the second ultrafiltration membrane filter element 12 performs reverse flushing; if the control unit 303 controls the second water inlet solenoid valve 72, the first drain solenoid valve 61 and the water outlet solenoid valve 51 to be opened, and controls the first water inlet solenoid valve 71 to be closed, the second ultrafiltration membrane filter element 12 normally produces water while the first ultrafiltration membrane filter element 11 performs back flushing.
Optionally, the control unit 303 is configured to control the ultrafiltration membrane water purification system 10 to perform a rinsing operation at regular time intervals.
Specifically, the ultrafiltration membrane water purification system 10 in the water purification apparatus 30 filters raw water, and a filter element of the ultrafiltration membrane water purification system 10 may have residual dirt blocking objects, which may have a certain influence on the filter element of the ultrafiltration membrane water purification system 10. Utilize the control unit 303 of water purification unit 30 to regularly wash the filter core in milipore filter water purification system 10, should regularly wash and can be to carry out periodic washing to the filter core, wash night or wash when unmanned using to wash under the prerequisite of guaranteeing to use normally, further increase water purification unit's life to and milipore filter water purification system 10 is to the purification treatment ability of raw water.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. An ultrafiltration membrane water purification system, comprising: the device comprises a first ultrafiltration membrane filter element, a second ultrafiltration membrane filter element, a water outlet electromagnetic valve, a first sewage discharge electromagnetic valve and a second sewage discharge electromagnetic valve;
the water inlet of the first ultrafiltration membrane filter element is connected with a water inlet pipeline, the water outlet of the first ultrafiltration membrane filter element is connected with a water outlet pipeline through the water outlet electromagnetic valve, and the flushing port of the first ultrafiltration membrane filter element is connected with a drainage pipeline through the first sewage discharge electromagnetic valve;
the water inlet of the second ultrafiltration membrane filter element is connected with the water inlet pipeline, the water outlet of the second ultrafiltration membrane filter element is connected with the water outlet pipeline through the water outlet electromagnetic valve, and the flushing port of the second ultrafiltration membrane filter element is connected with the drainage pipeline through the second sewage discharge electromagnetic valve;
the first sewage discharge electromagnetic valve and the water outlet electromagnetic valve are opened, the second sewage discharge electromagnetic valve is closed, raw water entering the first ultrafiltration membrane filter element is used for flushing the first ultrafiltration membrane filter element, and meanwhile, the second ultrafiltration membrane filter element is used for filtering the entering raw water and outputting purified water; or,
the second blowdown solenoid valve with the play water solenoid valve is opened, and first blowdown solenoid valve is closed, gets into the raw water of second milipore filter core is used for right the second milipore filter core washes, simultaneously, first milipore filter core is used for filtering and exporting the water purification the raw water that gets into.
2. The ultrafiltration membrane water purification system of claim 1, further comprising:
the water inlet of the first ultrafiltration membrane filter element is connected with the water inlet pipeline through the first water inlet electromagnetic valve, and the first water inlet electromagnetic valve is used for enabling raw water of the water inlet pipeline to enter the first ultrafiltration membrane filter element when the first ultrafiltration membrane filter element is opened; and the number of the first and second groups,
and the water inlet of the second ultrafiltration membrane filter element is connected with the water inlet pipeline through the second water inlet electromagnetic valve, and the second water inlet electromagnetic valve is used for opening the raw water of the water inlet pipeline to enter the second ultrafiltration membrane filter element.
3. The ultrafiltration membrane water purification system of claim 2, comprising:
the second water inlet electromagnetic valve, the first sewage discharge electromagnetic valve and the water outlet electromagnetic valve are opened, the first water inlet electromagnetic valve is closed, the second ultrafiltration membrane filter element is used for filtering the entering raw water, the filtered purified water is output to the water outlet pipeline through the water outlet electromagnetic valve and simultaneously enters the first ultrafiltration membrane filter element through the water outlet of the first ultrafiltration membrane filter element, and the entering purified water washes the first ultrafiltration membrane filter element and is discharged through the first sewage discharge electromagnetic valve; or,
first water inlet solenoid valve second blowdown solenoid valve with the water outlet solenoid valve is opened, and the second solenoid valve that intakes is closed, first ultrafiltration membrane filter core is used for filtering the raw water that gets into, and the water purification after filtering passes through the water outlet solenoid valve to outlet conduit exports, still passes through simultaneously the delivery port of second ultrafiltration membrane filter core gets into the second ultrafiltration membrane filter core, the water purification of getting into right the second ultrafiltration membrane filter core is washed and is passed through second blowdown solenoid valve is discharged.
4. The ultrafiltration membrane water purification system of any one of claims 1 to 3, comprising:
the first ultrafiltration membrane filter element and the second ultrafiltration membrane filter element are external pressure type ultrafiltration membrane filter elements.
5. A water purification apparatus, comprising: the ultrafiltration membrane water purification system of any one of claims 1 to 4.
6. The water purification apparatus of claim 5, further comprising:
the pretreatment unit is connected with the ultrafiltration membrane water purification system, comprises sand, chemical fiber, granular carbon or an activated carbon filter element and is used for filtering water entering and/or flowing out of the ultrafiltration membrane water purification system; and/or the presence of a gas in the gas,
and the reverse osmosis unit is connected with the ultrafiltration membrane water purification system and comprises at least one layer of reverse osmosis membrane.
7. The water purification apparatus of claim 6, further comprising:
and the control unit is connected with the ultrafiltration membrane water purification system and is used for controlling the first blowdown electromagnetic valve, the second blowdown electromagnetic valve and the water outlet electromagnetic valve of the ultrafiltration membrane water purification system to be opened or closed so as to enable the ultrafiltration membrane water purification system to execute filtering operation and/or flushing operation.
8. The water purification apparatus of claim 7, comprising:
the control unit is used for controlling the ultrafiltration membrane water purification system to execute washing operation at regular time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720057925.9U CN206529313U (en) | 2017-01-18 | 2017-01-18 | Ultrafiltration membrane water purification system and water purification equipment |
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| CN201720057925.9U CN206529313U (en) | 2017-01-18 | 2017-01-18 | Ultrafiltration membrane water purification system and water purification equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542611A (en) * | 2017-01-18 | 2017-03-29 | 珠海格力电器股份有限公司 | Ultrafiltration membrane water purification system and water purification equipment |
| CN107694344A (en) * | 2017-10-18 | 2018-02-16 | 深圳市诚荣五金塑胶制品有限公司 | Double filter core forward direction drainage, back flush system and application methods for water purifier |
-
2017
- 2017-01-18 CN CN201720057925.9U patent/CN206529313U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106542611A (en) * | 2017-01-18 | 2017-03-29 | 珠海格力电器股份有限公司 | Ultrafiltration membrane water purification system and water purification equipment |
| CN107694344A (en) * | 2017-10-18 | 2018-02-16 | 深圳市诚荣五金塑胶制品有限公司 | Double filter core forward direction drainage, back flush system and application methods for water purifier |
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