CN105251366A - Ultrafiltration membrane washing method, ultrafiltration membrane washing device and water purifier provided with ultrafiltration membrane washing device - Google Patents
Ultrafiltration membrane washing method, ultrafiltration membrane washing device and water purifier provided with ultrafiltration membrane washing device Download PDFInfo
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- CN105251366A CN105251366A CN201510685972.3A CN201510685972A CN105251366A CN 105251366 A CN105251366 A CN 105251366A CN 201510685972 A CN201510685972 A CN 201510685972A CN 105251366 A CN105251366 A CN 105251366A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 441
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 148
- 239000012528 membrane Substances 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000005406 washing Methods 0.000 title abstract 17
- 239000012510 hollow fiber Substances 0.000 claims abstract description 133
- 238000003860 storage Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 238000011010 flushing procedure Methods 0.000 claims description 149
- 238000001223 reverse osmosis Methods 0.000 claims description 48
- 238000001764 infiltration Methods 0.000 claims description 36
- 230000008676 import Effects 0.000 claims description 29
- 238000010926 purge Methods 0.000 claims description 29
- 230000015271 coagulation Effects 0.000 claims description 10
- 238000005345 coagulation Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 10
- 229920002492 poly(sulfone) Polymers 0.000 claims description 9
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000003456 ion exchange resin Substances 0.000 claims description 3
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 15
- 239000003344 environmental pollutant Substances 0.000 description 15
- 231100000719 pollutant Toxicity 0.000 description 15
- 230000008569 process Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000009295 crossflow filtration Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention provides an ultrafiltration membrane washing method, an ultrafiltration membrane washing device and a water purifier provided with the ultrafiltration membrane washing device. The ultrafiltration membrane washing device comprises an ultrafiltration processor, wherein the ultrafiltration processor is provided with an inlet, an outlet and a washing port, the inlet is used for being communicated with a pressure water source, the washing port is used for discharging washing water, a hollow fiber ultrafiltration membrane assembly is arranged in the ultrafiltration processor, the ultrafiltration membrane washing device further comprises a gas storage device, the outlet is communicated with the inside of the gas storage device, and the washing port is communicated with a first washing valve through a washing pipeline; a gas storage area and a liquid storage area are arranged in the gas storage device, and gas is stored in the gas storage area. Compared with the prior art, the ultrafiltration membrane washing device adopting the technical scheme can wash an ultrafiltration membrane through pressure provided by a water source, the washing effect is improved, the service life of the ultrafiltration membrane can be prolonged remarkably, and water treatment materials are saved. The ultrafiltration membrane washing device is simple in system, low in cost and easy to popularize and apply.
Description
Technical field
The present invention relates to water-purifying technique field, particularly relate to a kind of milipore filter purging method, device and there is the water purifier of this device.
Background technology
The milipore filter used in water purifier, a kind of method for designing of current trend adopts dead-end filtration method, although such design pipe-line system is simple, but milipore filter easily blocks, just directly more milipore filter is renewed after milipore filter blocking, namely milipore filter becomes disposable material for water treatment, wastes very large.Another kind of design adopts cross-flow filtration method or cross flow filtration method, i.e. limit filtration limit row flushing water, and such design milipore filter not easily blocks, can service life of significant prolongation milipore filter, but the waste of water resource is also very considerable.The method improved is that project organization still adopts cross-flow filtration method or cross flow filtration method, and flushing water is guided into toilet or other use water spot lower to water quality requirement, makes flushing water obtain application, thus using water wisely.But this method can not ensure that filter process is always in cross-flow state or cross flow state because water purifier can not ensure while filtering toilet or water quality requirement lower with water spot also with water.Actual conditions are the dead-end filtration that ultrafilter carries out a period of time mostly, toilet or water quality requirement lower with water spot rinsing again with during water.In other words, wish that filtration limit, limit is rinsed exactly, do not rinse when actual conditions are but and filter, do not filter during flushing.The structure of this improvement, flushing water obtains application, achieves water-saving object, but the developing result of milipore filter is still not bery desirable.
Those skilled in the art know, the successful just rinsed is not as backwash, but will realize backwash just needs oppositely pressurization, usually pipe-line system is implemented more complicated, need some extra mechanisms to provide reverse pressurization to milipore filter, pipe-line system is complicated, and manufacturing cost is higher.
In view of above-mentioned defect, creator of the present invention, through research and test for a long time, finally obtains the present invention.
Summary of the invention
The water purifier that the object of the present invention is to provide a kind of milipore filter purging method, device and have this device is in order to overcome above-mentioned technological deficiency.
For achieving the above object, the technical solution used in the present invention is:
There is provided a kind of milipore filter flusher on the one hand, it comprises hyperfiltration treatment device, described hyperfiltration treatment device is provided with import, outlet and rinse mouth, described import is used for being communicated with pressure water source, described rinse mouth is for discharging flushing water, and described hyperfiltration treatment device inside is provided with polysulfone hollow fiber ultrafiltration membrane system, and it also comprises gas reservoir, gas reservoir described in described outlet is inner, and described rinse mouth is communicated with the first flushing valve by flushing line; Described gas reservoir inside is provided with atmosphere storage district and liquid storage district, stores gas in described atmosphere storage district.
Preferably, described gas reservoir inside is provided with air bag, and the inside of described air bag is described atmosphere storage district.
Preferably, described polysulfone hollow fiber ultrafiltration membrane system comprises: the hollow fiber ultrafiltration membrane of One's name is legion, short cylinder and water out adapter, described hollow fiber ultrafiltration membrane is bent into U-shaped, mutually be bonded and sealed fixing by binding agent near the two ends of described hollow fiber ultrafiltration membrane, and be bonded and sealed fixing with the inwall of described short cylinder, described short cylinder and described water out adapter are sealedly and fixedly connected, described water out adapter is provided with the sealing ring of the exhalant canal sealed attachment of energy and described hyperfiltration treatment device, the outlet of the exhalant canal of described hyperfiltration treatment device is the outlet of described hyperfiltration treatment device.
Preferably, the interior diameter of described rinse mouth and described flushing line is not less than 10mm.
Another aspect provides a kind of milipore filter purging method, and the method comprises the following steps:
Step a: the rinse mouth of closing hyperfiltration treatment device or the flushing line that is communicated with described rinse mouth and the delivery port of gas reservoir or the outlet pipeline be communicated with described delivery port;
Step b: the pressure water source connecting the import of described hyperfiltration treatment device, flows into described gas reservoir after making the water with pressure flow through described hyperfiltration treatment device, compresses the gas of described gas reservoir inside;
Step c: rinse mouth or the flushing line of opening described hyperfiltration treatment device, after making described gas expansion that water is pressed into described hyperfiltration treatment device from the outlet of described hyperfiltration treatment device, discharges from the rinse mouth of described hyperfiltration treatment device.
Preferably, the method also comprises steps d:
Steps d: repeating said steps a, step b and step c successively, repeatedly rinses.
Another aspect provides a kind of milipore filter purging method, and under the state that delivery port or its outlet pipeline of gas reservoir keep the pressure water source of closedown and hyperfiltration treatment device to keep connection, described milipore filter purging method comprises the following steps:
Step a1: the rinse mouth of closing hyperfiltration treatment device or the flushing line be communicated with described rinse mouth, flow into described gas reservoir after making the water with pressure flow through described hyperfiltration treatment device, compress the gas of described gas reservoir inside;
Step b1: rinse mouth or the flushing line of opening described hyperfiltration treatment device, after making gas expansion that water is pressed into described hyperfiltration treatment device from the outlet of described hyperfiltration treatment device, discharges from the rinse mouth of described hyperfiltration treatment device.
Preferably, the method also comprises step c1:
Step c1: repeating said steps a1 and step b1 successively, repeatedly rinse.
Another aspect provides a kind of water purifier, and it comprises counter-infiltration system, and described counter-infiltration system comprises water pump and reverse-osmosis treated device, and reverse-osmosis treated device is provided with water inlet, delivery port and concentrated water spout; It also comprises milipore filter flusher,
The outlet of described hyperfiltration treatment device is communicated with described unit fixed on water pump suction by the first pipeline, and described exit of pump is communicated with the water inlet of described reverse-osmosis treated device by the second pipeline; The delivery port of described reverse-osmosis treated device is communicated with the outlet valve of counter-infiltration system by the 3rd pipeline; Described concentrated water spout is communicated with by the inlet pipeline of dense water lines with described water pump, and this dense water lines is provided with choke valve, or described concentrated water spout is by dense water lines emptying, and this dense water lines is provided with the second flushing valve or is provided with the second flushing valve and choke valve;
Described gas reservoir inside is communicated on described second pipeline, or is communicated in the dense water lines that is communicated with described concentrated water spout, or is communicated with the former water cavity in the housing of described reverse-osmosis treated device.
Preferably, described water pump is import and export the diaphragm pump being equipped with check valve; Described water purifier also comprises return duct, one end of described return duct is communicated on described first pipeline, the other end is communicated on described second pipeline, or is communicated in the dense water lines that is communicated with described concentrated water spout, or is communicated with the former water cavity in the housing of described reverse-osmosis treated device; Described return duct is provided with return valve, and when described water pump energising runs, described return valve cuts out, and when described Pump Failure stops, described return valve is opened.
Preferably, described counter-infiltration system also comprises water intaking valve, and described water intaking valve is arranged on the inlet pipeline of described reverse-osmosis treated device, and described gas reservoir is communicated on the inlet pipeline of described water intaking valve.
Preferably, described counter-infiltration system also comprises in-line coagulation filter core, and the delivery port of described in-line coagulation filter core is communicated with the water inlet of described reverse-osmosis treated device, and the water inlet of described in-line coagulation filter core is communicated with the delivery port of described hyperfiltration treatment device.Another aspect provides a kind of water purifier, and it comprises counter-infiltration system, and described counter-infiltration system comprises water pump, water intaking valve and reverse-osmosis treated device, and reverse-osmosis treated device is provided with water inlet, delivery port and concentrated water spout; It is characterized in that, its also comprise as arbitrary in claim 1-4 as described in milipore filter flusher,
The outlet of described hyperfiltration treatment device is communicated with described unit fixed on water pump suction by the first pipeline, and described exit of pump is communicated with the water inlet of described reverse-osmosis treated device by the second pipeline; The delivery port of described reverse-osmosis treated device is communicated with the outlet valve of counter-infiltration system by the 3rd pipeline; Described concentrated water spout is by dense water lines emptying, and this dense water lines is provided with choke valve;
Described water intaking valve and gas reservoir inside are communicated on described second pipeline, and described gas reservoir is inner and the inlet communication of described water intaking valve.
Another aspect provides a kind of water purifier, it comprises general water quality treater, it also comprises milipore filter flusher, the outlet of described hyperfiltration treatment device is communicated with by the water inlet of the 4th pipeline with described general water quality treater, and the delivery port of described general water quality treater is communicated with outlet valve by the 5th pipeline; Described gas reservoir is communicated on described 4th pipeline, or is communicated on described 5th pipeline, or is communicated on the filter element shell of general water quality treater.
Preferably, described general water quality treater comprises filter core or filter core group, and the material for water treatment in described filter core or filter core group comprises active carbon and/or micropore ceramics and/or ion exchange resin.
Beneficial effect of the present invention is compared with the prior art: a kind of milipore filter purging method provided by the invention, device and have the water purifier of this device, has the following advantages:
1. the pressure utilizing water source self to provide achieves the flushing of milipore filter, improves developing result, can service life of significant prolongation milipore filter, saves material for water treatment.
2. milipore filter flusher of the present invention, system is simple, and cost is low, is easy to apply.
3. using the first flushing valve as the depotition cock of daily life water time, the flushing water of milipore filter is fully utilized, and has saved water resource.
4. milipore filter flusher of the present invention and counter-infiltration system or organically combine with general water quality treater, can the service life of significant prolongation counter-infiltration filter core and the service life of preprocessing filter element, or can service life of filter core in the general water quality treater of significant prolongation, and milipore filter not easily blocks, the operation and maintenance cost of water purifier is low.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of milipore filter purging method of the present invention;
Fig. 2 is the flow chart of another milipore filter purging method of the present invention;
Fig. 3 is the flow chart of another milipore filter purging method of the present invention;
Fig. 4 is the flow chart of another milipore filter purging method of the present invention;
Fig. 5 is a kind of structural representation realizing the milipore filter flusher of above-mentioned purging method of the present invention;
Fig. 6 is the structural representation of the hyperfiltration treatment device in milipore filter flusher of the present invention;
Fig. 7 is the structural representation of the polysulfone hollow fiber ultrafiltration membrane system in hyperfiltration treatment device of the present invention;
Fig. 8 is the structural representation of the microstructure that hollow fiber ultrafiltration membrane of the present invention is amplified;
Fig. 9 is a kind of structural representation of gas reservoir of the present invention;
Figure 10 is another structural representation of gas reservoir of the present invention;
Figure 11 is another structural representation of gas reservoir of the present invention;
When Figure 12 is hollow fiber ultrafiltration membrane of the present invention purification, water flows to schematic diagram;
When Figure 13 is hollow fiber ultrafiltration membrane of the present invention flushing, water flows to schematic diagram;
Figure 14 is a kind of structural representation with the water purifier of above-mentioned milipore filter flusher of the present invention;
Figure 15 be of the present invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher;
Figure 16 be of the present invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher;
Figure 17 be of the present invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher;
Figure 18 be of the present invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher;
Figure 19 be of the present invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher;
Figure 20 be of the present invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher;
Figure 21 be of the present invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher;
Figure 22 be of the present invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher;
Figure 23 be of the present invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher.
Detailed description of the invention
For ease of understanding technology contents of the present invention further, below in conjunction with accompanying drawing, the invention will be further described.
Embodiment one
As shown in Figure 1, be the flow chart of a kind of milipore filter purging method provided by the invention, the method comprises the following steps:
Step a: the rinse mouth of closing hyperfiltration treatment device or the flushing line that is communicated with described rinse mouth and the delivery port of gas reservoir or the outlet pipeline be communicated with described delivery port.
Step b: the pressure water source connecting the import of described hyperfiltration treatment device, flows into described gas reservoir after making the water with pressure flow through described hyperfiltration treatment device, compresses the gas of described gas reservoir inside.
Step c: rinse mouth or the flushing line of opening described hyperfiltration treatment device, after making described gas expansion that water is pressed into described hyperfiltration treatment device from the outlet of described hyperfiltration treatment device, discharges from the rinse mouth of described hyperfiltration treatment device.
Embodiment two
As shown in Figure 2, be the flow chart of another milipore filter purging method provided by the invention, the method comprises the following steps:
Step a: the rinse mouth of closing hyperfiltration treatment device or the flushing line that is communicated with described rinse mouth and the delivery port of gas reservoir or the outlet pipeline be communicated with described delivery port.
Step b: the pressure water source connecting the import of described hyperfiltration treatment device, flows into described gas reservoir after making the water with pressure flow through described hyperfiltration treatment device, compresses the gas of described gas reservoir inside.
Step c: rinse mouth or the flushing line of opening described hyperfiltration treatment device, after making described gas expansion that water is pressed into described hyperfiltration treatment device from the outlet of described hyperfiltration treatment device, discharges from the rinse mouth of described hyperfiltration treatment device.
Steps d: repeating said steps a, step b and step c successively, repeatedly rinses.
Embodiment three
As shown in Figure 3, for the flow chart of another milipore filter purging method provided by the invention, under the state that delivery port or its outlet pipeline of gas reservoir keep the pressure water source of closedown and hyperfiltration treatment device to keep connection, milipore filter purging method comprises the following steps:
Step a1: the rinse mouth of closing hyperfiltration treatment device or the flushing line be communicated with described rinse mouth, flow into described gas reservoir after making the water with pressure flow through described hyperfiltration treatment device, compress the gas of described gas reservoir inside.
Step b1: rinse mouth or the flushing line of opening described hyperfiltration treatment device, after making gas expansion that water is pressed into described hyperfiltration treatment device from the outlet of described hyperfiltration treatment device, discharges from the rinse mouth of described hyperfiltration treatment device.
Embodiment four
As shown in Figure 4, for the flow chart of another milipore filter purging method provided by the invention, under the state that delivery port or its outlet pipeline of gas reservoir keep the pressure water source of closedown and hyperfiltration treatment device to keep connection, milipore filter purging method comprises the following steps:
Step a1: the rinse mouth of closing hyperfiltration treatment device or the flushing line be communicated with described rinse mouth, flow into described gas reservoir after making the water with pressure flow through described hyperfiltration treatment device, compress the gas of described gas reservoir inside.
Step b1: rinse mouth or the flushing line of opening described hyperfiltration treatment device, after making gas expansion that water is pressed into described hyperfiltration treatment device from the outlet of described hyperfiltration treatment device, discharges from the rinse mouth of described hyperfiltration treatment device.
Step c1: repeating said steps a1 and step b1 successively, repeatedly rinse.
Embodiment five
As shown in Figure 5, be a kind of structural representation that can realize the milipore filter flusher of above-mentioned purging method provided by the invention, this milipore filter flusher comprises hyperfiltration treatment device 1 and gas reservoir 2.As shown in Figure 6, for the structural representation of hyperfiltration treatment device 1, this hyperfiltration treatment device 1 comprises filter cover 11, filter housing 12 and polysulfone hollow fiber ultrafiltration membrane system 13, and wherein both are formed housing by hermetically-sealed construction by filter cover 11 and filter housing 12, also by Welding Structure, both can be formed housing; Polysulfone hollow fiber ultrafiltration membrane system 13 is positioned at the inside of filter housing 12, and filter housing 12 is provided with import 121, outlet 122 and rinse mouth 123.The import 121 of hyperfiltration treatment device 1 is communicated with pressure water source by pipeline 3, and this pressure water source can provide the water of band pressure.The outlet 122 of hyperfiltration treatment device 1 is communicated with gas reservoir 2 inside by pipeline 4, and the rinse mouth 123 of hyperfiltration treatment device 1 is communicated with the first flushing valve 6 by flushing line 5.Gas reservoir 2 is also communicated with outlet valve 8 by outlet pipeline 7.The rinse mouth 123 of hyperfiltration treatment device 1 and the interior diameter of flushing line 5 are not less than 10mm, preferably be not less than 15mm, can reduce the resistance of flushing water flowing like this, when making flushing, in hyperfiltration treatment device, the pressure drop of milipore filter Yuan Shui side, to zero or close to zero, ensures developing result.When this flusher is with time in the family, pipeline 3 generally all installs angle valve 9, and now the first flushing valve 6 just can be arranged to tap, and thereunder arranges pond 10, the pond in this pond 10 i.e. family kitchen platen.
As shown in Figure 7, for the structural representation of polysulfone hollow fiber ultrafiltration membrane system, this polysulfone hollow fiber ultrafiltration membrane system 13 comprises: the hollow fiber ultrafiltration membrane 131 of One's name is legion, short cylinder 132 and water out adapter 133, hollow fiber ultrafiltration membrane 131 is bent into U-shaped, mutually be bonded and sealed fixing by binding agent 134 near the two ends of hollow fiber ultrafiltration membrane 131, and be bonded and sealed fixing with the inwall of short cylinder 132, short cylinder 132 is sealedly and fixedly connected with water out adapter 133 again, water out adapter 133 is provided with the sealing ring 135 of the exhalant canal sealed attachment of energy and hyperfiltration treatment device 1, the outlet of the exhalant canal of hyperfiltration treatment device is the outlet 122 of hyperfiltration treatment device 1.As shown in Figure 8, for the schematic diagram of the microstructure that the hollow fiber ultrafiltration membrane being bent into U-shaped is amplified, the outer wall 1310 of hollow fiber ultrafiltration membrane 131 and inwall 1311 are provided with the penetrability micropore 1312 of One's name is legion, the space that inwall 1311 surrounds is inner chamber 1313.
As shown in Figure 9, for a kind of structural representation of gas reservoir 2, this gas reservoir 2 comprises lid 21 and housing 22, housing 22 is arranged water inlet 221 and delivery port 222, be provided with atmosphere storage district 223 and liquid storage district 224 in housing 22, in atmosphere storage district 223, store gas.Certainly, also water inlet 221 and delivery port 222 can be synthesized one and import and export 225, as shown in Figure 10.As shown in figure 11, be the another kind of structural representation of gas reservoir 2, the gas reservoir difference shown in this gas reservoir and Fig. 9 is: be provided with air bag 226 in the housing of this gas reservoir, and the inside of air bag 226 is atmosphere storage district.The material manufacturing air bag should have yielding characteristic, such as rubber bag tank.Adopt air bag to store gas, because gas can not contact with water, so gas can not be dissolved in water, the amount of gas can not reduce.
Hollow fiber ultrafiltration membrane in hyperfiltration treatment device 1 can adopt inner pressed hollow fiber ultrafiltration membrane, also can adopt external compression type hollow fiber ultrafiltration membrane.In the present embodiment, what arrange in hyperfiltration treatment device 1 is external compression type hollow fiber ultrafiltration membrane.Because same water flow, the diameter of external compression type hollow fiber ultrafiltration membrane can do very little, and the material that product can be made to consume reduces, and manufacturing cost reduces, and the space taken during installation and place are also very little.
Now elaborating milipore filter flusher provided by the invention is the purging method that how to realize in embodiment one and two.
Close the first flushing valve 6 on flushing line 5 and the outlet valve 8 on outlet pipeline 7.
Cut-in pressure water source, make water with pressure by pipeline 3, flow into from the import 121 of hyperfiltration treatment device 1, as shown in figure 12, schematic diagram is flowed to for water when hollow fiber ultrafiltration membrane purifies, the outer wall 1310 that water with pressure is bent into the hollow fiber ultrafiltration membrane 131 of U-shaped through numerous and inwall 1311 enter the inner chamber 1313 of hollow fiber ultrafiltration membrane, pollutant in water is trapped within the outer wall 1310 of hollow fiber ultrafiltration membrane 131, thus water quality is purified, cleaned water flows to hollow fiber ultrafiltration membrane 131 port again and collects, then the outlet 122 of hyperfiltration treatment device 1 is flowed to through water out adapter 133, 4 inflow gas holders 2 are inner by the road again, due to the closedown of outlet valve 8, gas in water meeting Compressed Gas holder 2 with pressure, gas is compressed rear smaller volume, pressure increase.
Open the first flushing valve 6, because the first flushing valve 6 exit is communicated with air, therefore pressure (relative pressure) is zero, make the pressure of flushing line 5 and hollow fiber ultrafiltration membrane Yuan Shui side very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 2 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, by the gas undergoes rapid expansion compressed, water 4 is pushed back hyperfiltration treatment device 1 by the road, as shown in figure 13, schematic diagram is flowed to for water when hollow fiber ultrafiltration membrane is rinsed, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 6 in company with the water in pressure water source, this completes once flushing.
Repeat said process, can complete and repeatedly rinse.By this purging method, the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is effectively rinsed, and improves the service life of hyperfiltration treatment device.
Now elaborating milipore filter flusher provided by the invention is the purging method that how to realize in embodiment three and four.
Under outlet valve 8 on the outlet pipeline 7 of gas reservoir 2 keeps closed condition to keep on-state with the pressure water source being communicated with hyperfiltration treatment device 1 import.Now, close the first flushing valve 6 on flushing line 5, water with pressure passes through pipeline 3, flow through the inside of the rear inflow gas memory 2 of hyperfiltration treatment device 1, because outlet valve 8 keeps closed condition, gas in water meeting Compressed Gas holder 2 with pressure, gas is compressed rear smaller volume, pressure increase.
Open the first flushing valve 6 on flushing line 5, because the first flushing valve 6 exit is communicated with air, therefore pressure (relative pressure) is zero, make the pressure of flushing line 5 and hollow fiber ultrafiltration membrane Yuan Shui side very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 2 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, by the gas undergoes rapid expansion compressed, water 4 is pushed back hyperfiltration treatment device 1 by the road, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 6 in company with the water in pressure water source, this completes once flushing.
Repeat said process, can complete and repeatedly rinse.By this purging method, the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is effectively rinsed, and improves the service life of hyperfiltration treatment device.
Embodiment six
As shown in figure 14, for a kind of structural representation with the water purifier of above-mentioned milipore filter flusher provided by the invention, this water purifier comprises milipore filter flusher and counter-infiltration system, milipore filter flusher comprises hyperfiltration treatment device 401 and gas reservoir 402, and counter-infiltration system comprises water pump 403, reverse-osmosis treated device 404 and the second flushing valve 405.The rinse mouth of hyperfiltration treatment device 401 is communicated with the first flushing valve 407 by flushing line 406, and import is communicated with pressure water source by pipeline 408, pipeline 408 is provided with angle valve 409, exports by the inlet communication of the first pipeline 410 with water pump 403.The outlet of water pump 403 is communicated with the water inlet of reverse-osmosis treated device 404 by the second pipeline 411.The delivery port of reverse-osmosis treated device 404 is communicated with the outlet valve 413 of counter-infiltration system by the 3rd pipeline 412, concentrated water spout is by the inlet communication of dense water lines 414 and the second flushing valve 405, the outlet of the second flushing valve 405 by the inlet communication of pipeline and choke valve 415, the outlet emptying of choke valve 415.In the present embodiment, gas reservoir 402 is communicated on the second pipeline 411.Certainly, in other embodiments, gas reservoir 402 also can be communicated in the dense water lines 414 that is communicated with concentrated water spout, or is communicated to the former water cavity in the housing of reverse-osmosis treated device 404.
In the present embodiment, when the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 407, second flushing valve 405 and outlet valve 413, open angle valve 409, from the band pressure of pressure water source water from pipeline 408 flow into hyperfiltration treatment device 401 be filtered after from outlet flow out, after flowing through the first pipeline 410 and water pump 403, inflow gas memory 402 is inner, because outlet valve 413 and the second flushing valve 405 are closed, gas in water meeting compressed gas storage device 402 with pressure, makes gas volume reduce pressure increase.
Open the first flushing valve 407, because of its outlet air, therefore relative pressure is zero, the pressure of the hollow fiber ultrafiltration membrane Yuan Shui side in the flushing line 406 made and hyperfiltration treatment device 401 is very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 402 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, so the gas undergoes rapid expansion that have compressed, water in gas reservoir 402 is pushed back hyperfiltration treatment device 401 through the first pipeline 410, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, then the water come along with pressure water source together flows out from the first flushing valve 407, this completes once flushing.
Repeat said process, can complete and repeatedly rinse.
In the present embodiment, keep closed condition at outlet valve 413 and the second flushing valve 405, and under being communicated with the pressure water source maintenance on-state of hyperfiltration treatment device 401 import.Now, the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 407 on flushing line 406, water with pressure passes through pipeline 408, flow through the inside of the rear inflow gas memory 402 of hyperfiltration treatment device 401, because outlet valve 413 and the second flushing valve 405 keep closed condition, gas in water meeting Compressed Gas holder 402 with pressure, gas is compressed rear smaller volume, pressure increase.
Open the first flushing valve 407 on flushing line 406, because the first flushing valve 407 exit is communicated with air, therefore relative pressure is zero, make the pressure of flushing line 406 and hollow fiber ultrafiltration membrane Yuan Shui side very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 402 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, by the gas undergoes rapid expansion compressed, water 410 is pushed back hyperfiltration treatment device 401 by the road, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 407 in company with the water in pressure water source, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
Embodiment seven
As shown in figure 15, for provided by the invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher, the water purifier of the present embodiment and the water purifier difference of embodiment six are: the counter-infiltration system of this water purifier also comprises water intaking valve 416, this water intaking valve 416 is arranged on the second pipeline 411, the inlet communication gas reservoir 402 of this water intaking valve 416 is inner, the water inlet of the outlet reverse-osmosis treated device 404 of this water intaking valve 416.When water intaking valve 416 is in closed condition when machine is standby, water intaking valve 416 is set like this, the cleaning of the hollow fiber ultrafiltration membrane in hyperfiltration treatment device would not be affected.
Embodiment eight
As shown in figure 16, for provided by the invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher, the water purifier of the present embodiment and the water purifier difference of embodiment seven are: the counter-infiltration system in the present embodiment also comprises: in-line coagulation filter core 420 and counter-infiltration preprocessor 421, in-line coagulation filter core 420 is arranged on the second pipeline 411, its water inlet is communicated with the outlet of water intaking valve 416, and its delivery port is communicated with the water inlet of reverse-osmosis treated device 404.Counter-infiltration preprocessor 421 is arranged on the 3rd pipeline 412, and its water inlet is communicated with the delivery port of reverse-osmosis treated device 404, and its delivery port is communicated with outlet valve 413.3rd pipeline 412 is also provided with check valve 423 and high-voltage switch gear 424.Check valve 423 and high-voltage switch gear 424 are arranged on the pipeline between connection reverse-osmosis treated device 404 delivery port and counter-infiltration preprocessor 421 water inlet.
Embodiment nine
As shown in figure 17, for provided by the invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher, the water purifier of the present embodiment and the water purifier difference of embodiment eight are: the concentrated water spout of the reverse-osmosis treated device 404 in the present embodiment is communicated in the inlet ductwork of water pump 403 by dense water lines 414, also be namely communicated on the first pipeline 410, this dense water lines 414 is provided with check valve 425 and choke valve 426, and the delivery port of check valve 425 is communicated with the import of water pump 403.In the present embodiment, the pipeline of the outlet of connection water intaking valve 416 and reverse-osmosis treated device 404 water inlet is also provided with emptying choke valve 427, emptying choke valve 427 one end emptying.In other embodiments, this emptying choke valve 427 also can be arranged on the pipeline of connection reverse-osmosis treated device 404 concentrated water spout and check valve 425 import.The water purifier of the present embodiment can reuse the dense water of reverse-osmosis treated device 404 discharge, saves water.
In the present embodiment, when the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 407 and water intaking valve 416, open angle valve 409, from the band pressure of pressure water source water from pipeline 408 flow into hyperfiltration treatment device 401 be filtered after from outlet flow out, after flowing through the first pipeline 410 and water pump 403, inflow gas memory 402 is inner, because water intaking valve 416 is closed, gas in water meeting compressed gas storage device 402 with pressure, makes gas volume reduce pressure increase.
Open the first flushing valve 407, because of its outlet air, therefore relative pressure is zero, the pressure of the hollow fiber ultrafiltration membrane Yuan Shui side in the flushing line 406 made and hyperfiltration treatment device 401 is very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 402 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, so the gas undergoes rapid expansion that have compressed, water in gas reservoir 402 is pushed back hyperfiltration treatment device 401 through the first pipeline 410, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, then the water come along with pressure water source together flows out from the first flushing valve 407, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
In the present embodiment, under water intaking valve 416 keeps closed condition to keep on-state with the pressure water source being communicated with hyperfiltration treatment device 401 import.Now, the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 407 on flushing line 406, water with pressure passes through pipeline 408, flow through the inside of hyperfiltration treatment device 401 and the rear inflow gas memory 402 of water pump 403, because water intaking valve 416 keeps closed condition, gas in water meeting Compressed Gas holder 402 with pressure, gas is compressed rear smaller volume, pressure increase.
Open the first flushing valve 407, because its exit is communicated with air, therefore relative pressure is zero, make the pressure of flushing line 406 and hollow fiber ultrafiltration membrane Yuan Shui side very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 402 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, by the gas undergoes rapid expansion compressed, water 410 is pushed back hyperfiltration treatment device 401 by the road, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 407 in company with the water in pressure water source, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
Embodiment ten
As shown in figure 18, for provided by the invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher, the water purifier of the present embodiment and the water purifier difference of embodiment six are: water pump 403 is import and export the diaphragm pump being equipped with check valve, water purifier also comprises return duct 418, and return duct 418 is provided with return valve 417.One end of return duct 418 is communicated on the first pipeline 410, in the present embodiment, the other end of return duct 418 is communicated on the second pipeline 411, certainly in other embodiments, the other end of return duct 418 also can be communicated in the dense water lines 414 of concentrated water spout connection, or is communicated to the former water cavity in the housing of reverse-osmosis treated device.When water pump 403 energising runs, return valve 417 cuts out, and when water pump 403 power-off stops, return valve 417 is opened.
In the present embodiment, when the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 407, second flushing valve 405 and outlet valve 413, water pump 403 is energized, return valve 417 cuts out, open angle valve 409, from the band pressure of pressure water source water from pipeline 408 flow into hyperfiltration treatment device 401 be filtered after from outlet flow out, flow through the first pipeline 410 and the rear inflow gas memory 402 of water pump 403, because outlet valve 413, second flushing valve 405 and return valve 417 are closed, gas in water meeting compressed gas storage device 402 with pressure, gas volume is reduced, pressure increase.
Water pump 403 power-off, return valve 417 is opened, open the first flushing valve 407, because of its outlet air, therefore relative pressure is zero, the pressure of the hollow fiber ultrafiltration membrane Yuan Shui side in the flushing line 406 made and hyperfiltration treatment device 401 is very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 402 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, so the gas undergoes rapid expansion that have compressed, water is pushed back hyperfiltration treatment device 401 through return duct 417 and the first pipeline 410, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 407 in company with the water in pressure water source, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
In the present embodiment, under outlet valve 413 and the second flushing valve 405 keep closed condition to keep on-state with the pressure water source being communicated with hyperfiltration treatment device 401 import.Now, the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 407 on flushing line 406, water pump 403 is energized, return valve 417 cuts out, flow through the inside of inflow gas memory 402 after hyperfiltration treatment device 401 and water pump 403 by pipeline 408 with the water of pressure, because outlet valve 413 and the second flushing valve 405 keep closed condition, gas in water meeting Compressed Gas holder 402 with pressure, makes gas volume reduce, pressure increase.
Water pump 403 power-off, open return valve 417, open the first flushing valve 407 on flushing line 406, because the first flushing valve 407 exit is communicated with air, therefore relative pressure is zero, make the pressure of flushing line 406 and hollow fiber ultrafiltration membrane Yuan Shui side very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 402 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, by the gas undergoes rapid expansion compressed, water 410 is pushed back hyperfiltration treatment device 401 by the road, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 407 in company with the water in pressure water source, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
Embodiment 11
As shown in figure 19, for provided by the invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher, the water purifier of the present embodiment and the water purifier difference of embodiment ten are: the counter-infiltration system of the water purifier in the present embodiment also comprises water intaking valve 416, this water intaking valve 416 is arranged on the second pipeline 411, the inlet communication gas reservoir 402 of this water intaking valve 416 is inner, the water inlet of the outlet reverse-osmosis treated device 404 of this water intaking valve 416.When water intaking valve 416 is in closed condition when machine is standby, water intaking valve 416 is set like this, the cleaning of the milipore filter in hyperfiltration treatment device would not be affected.
Embodiment 12
As shown in figure 20, for provided by the invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher, the water purifier of the present embodiment and the water purifier difference of embodiment 11 are: the counter-infiltration system in the present embodiment also comprises: in-line coagulation filter core 420 and counter-infiltration preprocessor 421, in-line coagulation filter core 420 is arranged on the second pipeline 411, its water inlet is communicated with the outlet of water intaking valve 416, and its delivery port is communicated with the water inlet of reverse-osmosis treated device 404.Counter-infiltration preprocessor 421 is arranged on the 3rd pipeline 412, and its water inlet is communicated with the delivery port of reverse-osmosis treated device 404, and its delivery port is communicated with outlet valve 413.3rd pipeline 412 is also provided with check valve 423 and high-voltage switch gear 424.Check valve 423 and high-voltage switch gear 424 are arranged on the pipeline between connection reverse-osmosis treated device 404 delivery port and counter-infiltration preprocessor 421 water inlet.
Embodiment 13
As shown in figure 21, for provided by the invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher, the water purifier of the present embodiment and the water purifier difference of embodiment 12 are: the concentrated water spout of the reverse-osmosis treated device 404 in the present embodiment is communicated in the inlet ductwork of water pump 403 by dense water lines 414, also be namely communicated on the first pipeline 410, this dense water lines 414 is provided with check valve 425 and choke valve 426, and the delivery port of check valve 425 is communicated with the import of water pump 403.In the present embodiment, the pipeline of the outlet of connection water intaking valve 416 and reverse-osmosis treated device 404 water inlet is also provided with emptying choke valve 427, emptying choke valve 427 one end emptying.In other embodiments, this emptying choke valve 427 also can be arranged on the pipeline of connection reverse-osmosis treated device 404 concentrated water spout and check valve 425 import.The water purifier of the present embodiment can reuse the dense water of reverse-osmosis treated device 404 discharge, saves water.
In the present embodiment, when the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 407 and water intaking valve 416, water pump 403 is energized, return valve 417 cuts out, from the band pressure of pressure water source water from pipeline 408 flow into hyperfiltration treatment device 401 be filtered after from outlet flow out, flow through the first pipeline 410 and the rear inflow gas memory 402 of water pump 403, because water intaking valve 416 and return valve 417 are closed, the gas in the water meeting compressed gas storage device 402 of band pressure, gas volume is reduced, pressure increase.
Water pump 403 power-off, return valve 417 is opened, open the first flushing valve 407, because of its outlet air, therefore relative pressure is zero, the pressure of the hollow fiber ultrafiltration membrane Yuan Shui side in the flushing line 406 made and hyperfiltration treatment device 401 is very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 402 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, so the gas undergoes rapid expansion that have compressed, water is pushed back hyperfiltration treatment device 401 through return duct 417 and the first pipeline 410, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 407 in company with the water in pressure water source, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
In the present embodiment, under water intaking valve 416 keeps closed condition to keep on-state with the pressure water source being communicated with hyperfiltration treatment device 401 import.Now, the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 407 on flushing line 406, water with pressure passes through pipeline 408, flow through the inside of hyperfiltration treatment device 401 and the rear inflow gas memory 402 of water pump 403, because water intaking valve 416 keeps closed condition, gas in water meeting Compressed Gas holder 402 with pressure, gas is compressed rear smaller volume, pressure increase.
Water pump 403 power-off, return valve 417 is opened, open the first flushing valve 407 on flushing line 406, because the first flushing valve 407 exit is communicated with air, therefore pressure (relative pressure) is zero, make the pressure of flushing line 406 and hollow fiber ultrafiltration membrane Yuan Shui side very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 402 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, by the gas undergoes rapid expansion compressed, water 410 is pushed back hyperfiltration treatment device 401 by the road, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 407 in company with the water in pressure water source, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
Embodiment 14
As shown in figure 22, for provided by the invention another there is the structural representation of the water purifier of above-mentioned milipore filter flusher, the water purifier of the present embodiment comprises: general water quality treater and milipore filter flusher, milipore filter flusher comprises hyperfiltration treatment device 501 and gas reservoir 502, and general water quality treater comprises filter core group 503.The rinse mouth of hyperfiltration treatment device 501 is communicated with the first flushing valve 505 by flushing line 504, and import is communicated with pressure water source by pipeline 506, pipeline 506 is provided with angle valve 507, exports and be communicated with the water inlet of filter core group 503 by the 4th pipeline 508.The delivery port of filter core group 503 is communicated with outlet valve 510 by the 5th pipeline 509.In the present embodiment, gas reservoir 502 is communicated on the 4th pipeline 508.Certainly, in other embodiments, gas reservoir 502 also can be communicated on the 5th pipeline 509.Material for water treatment in filter core group 503 comprises active carbon and/or micropore ceramics and/or ion exchange resin.
In the present embodiment, when the milipore filter in hyperfiltration treatment device is rinsed,
Close the first flushing valve 505 and outlet valve 510, open angle valve 507, from the band pressure of pressure water source water from pipeline 506 flow into hyperfiltration treatment device 501 be filtered after from outlet flow out, after flowing through the 4th pipeline 508, inflow gas memory 502 is inner, because outlet valve 510 is closed, gas in water meeting compressed gas storage device 502 with pressure, makes gas volume reduce pressure increase.
Open the first flushing valve 505, because of its outlet air, therefore relative pressure is zero, the pressure of the hollow fiber ultrafiltration membrane Yuan Shui side in the flushing line 504 made and hyperfiltration treatment device 501 is very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 502 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, so the gas undergoes rapid expansion that have compressed, water in gas reservoir 502 is pushed back hyperfiltration treatment device 501 through the 4th pipeline 508, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 505 in company with the water in pressure water source, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
In the present embodiment, under outlet valve 510 keeps closed condition to keep on-state with the pressure water source being communicated with hyperfiltration treatment device 501 import.Now, the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 505, from the band pressure of pressure water source water from pipeline 506 flow into hyperfiltration treatment device 501 be filtered after from outlet flow out, flow through the rear inflow gas memory 502 of the 4th pipeline 508, because outlet valve 510 is closed, gas in water meeting compressed gas storage device 502 with pressure, makes gas volume reduce pressure increase.
Open the first flushing valve 505, because of its outlet air, therefore relative pressure is zero, the pressure of the hollow fiber ultrafiltration membrane Yuan Shui side in the flushing line 504 made and hyperfiltration treatment device 501 is very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 502 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, so the gas undergoes rapid expansion that have compressed, water in gas reservoir 502 is pushed back hyperfiltration treatment device 501 through the 4th pipeline 508, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 505 in company with the water in pressure water source, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
Embodiment 15
As shown in figure 23, for a kind of structural representation with the water purifier of above-mentioned milipore filter flusher provided by the invention, this water purifier comprises milipore filter flusher and counter-infiltration system, milipore filter flusher comprises hyperfiltration treatment device 601 and gas reservoir 602, and counter-infiltration system comprises water pump 603, reverse-osmosis treated device 604, water intaking valve 616 and choke valve 615.The rinse mouth of hyperfiltration treatment device 601 is communicated with the first flushing valve 607 by flushing line 606, and import is communicated with pressure water source by pipeline 608, pipeline 608 is provided with angle valve 609, exports by the inlet communication of the first pipeline 610 with water pump 603.The outlet of water pump 603 is communicated with the water inlet of reverse-osmosis treated device 604 by the second pipeline 611.The delivery port of reverse-osmosis treated device 604 is communicated with the outlet valve 613 of counter-infiltration system by the 3rd pipeline 612, concentrated water spout by the inlet communication of dense water lines 614 with choke valve 615, the outlet emptying of choke valve 615.Water intaking valve 616 and gas reservoir 602 inside are communicated on the second pipeline 611, and gas reservoir 602 is inner and the inlet communication of water intaking valve 616.
In the present embodiment, when the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 607 and water intaking valve 616, open angle valve 609, from the band pressure of pressure water source water from pipeline 608 flow into hyperfiltration treatment device 601 be filtered after from outlet flow out, after flowing through the first pipeline 610 and water pump 603, inflow gas memory 602 is inner, because water intaking valve 616 is closed, gas in water meeting compressed gas storage device 602 with pressure, makes gas volume reduce pressure increase.
Open the first flushing valve 607, because of its outlet air, therefore relative pressure is zero, the pressure of the hollow fiber ultrafiltration membrane Yuan Shui side in the flushing line 606 made and hyperfiltration treatment device 601 is very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 602 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, so the gas undergoes rapid expansion that have compressed, water in gas reservoir 602 is pushed back hyperfiltration treatment device 601 through the first pipeline 610, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, then the water come along with pressure water source together flows out from the first flushing valve 607, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
In the present embodiment, under water intaking valve 616 keeps closed condition to keep on-state with the pressure water source being communicated with hyperfiltration treatment device 601 import.Now, the hollow fiber ultrafiltration membrane in hyperfiltration treatment device is rinsed,
Close the first flushing valve 607 on flushing line 606, water with pressure passes through pipeline 608, flow through the inside of hyperfiltration treatment device 601 and the rear inflow gas memory 602 of water pump 603, because water intaking valve 616 keeps closed condition, gas in water meeting Compressed Gas holder 602 with pressure, gas is compressed rear smaller volume, pressure increase.
Open the first flushing valve 607, because its exit is communicated with air, therefore relative pressure is zero, make the pressure of flushing line 606 and hollow fiber ultrafiltration membrane Yuan Shui side very low, also can think that when negligible friction pressure is zero, gas pressure now in gas reservoir 602 is significantly greater than the pressure of hollow fiber ultrafiltration membrane Yuan Shui side, by the gas undergoes rapid expansion compressed, water 610 is pushed back hyperfiltration treatment device 601 by the road, water flows to outside hollow fiber ultrafiltration membrane 131 from the inner chamber 1313 of hollow fiber ultrafiltration membrane 131 through the inwall 1311 of hollow fiber ultrafiltration membrane and outer wall 1310, blocking or the pollutant be deposited on hollow fiber ultrafiltration membrane 131 outer wall 1310 are rinsed, together flow out from the first flushing valve 607 in company with the water in pressure water source, this completes once flushing.Repeat said process, can complete and repeatedly rinse.
A kind of milipore filter purging method provided by the invention, device and have the water purifier of this device, have the following advantages:
1. the pressure utilizing water source self to provide achieves the flushing of milipore filter, improves developing result, can service life of significant prolongation milipore filter, saves material for water treatment.
2. milipore filter flusher of the present invention, system is simple, and cost is low, is easy to apply.
3. using the first flushing valve as the depotition cock of daily life water time, the flushing water of milipore filter is fully utilized, and has saved water resource.
4. milipore filter flusher of the present invention and counter-infiltration system or organically combine with general water quality treater, can the service life of significant prolongation counter-infiltration filter core and the service life of preprocessing filter element, or can service life of filter core in the general water quality treater of significant prolongation, and milipore filter not easily blocks, the operation and maintenance cost of water purifier is low.
The foregoing is only preferred embodiment of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that the claims in the present invention limit to it, amendment, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (15)
1. a milipore filter flusher, it comprises hyperfiltration treatment device, described hyperfiltration treatment device is provided with import, outlet and rinse mouth, described import is used for being communicated with pressure water source, and described rinse mouth is for discharging flushing water, and described hyperfiltration treatment device inside is provided with polysulfone hollow fiber ultrafiltration membrane system, it is characterized in that, it also comprises gas reservoir, and gas reservoir described in described outlet is inner, and described rinse mouth is communicated with the first flushing valve by flushing line; Described gas reservoir inside is provided with atmosphere storage district and liquid storage district, stores gas in described atmosphere storage district.
2. milipore filter flusher according to claim 1, is characterized in that, described gas reservoir inside is provided with air bag, and the inside of described air bag is described atmosphere storage district.
3. milipore filter flusher according to claim 1 and 2, it is characterized in that, described polysulfone hollow fiber ultrafiltration membrane system comprises: the hollow fiber ultrafiltration membrane of One's name is legion, short cylinder and water out adapter, described hollow fiber ultrafiltration membrane is bent into U-shaped, mutually be bonded and sealed fixing by binding agent near the two ends of described hollow fiber ultrafiltration membrane, and be bonded and sealed fixing with the inwall of described short cylinder, described short cylinder and described water out adapter are sealedly and fixedly connected, described water out adapter is provided with the sealing ring of the exhalant canal sealed attachment of energy and described hyperfiltration treatment device, the outlet of the exhalant canal of described hyperfiltration treatment device is the outlet of described hyperfiltration treatment device.
4. milipore filter flusher according to claim 3, is characterized in that, the interior diameter of described rinse mouth and described flushing line is not less than 10mm.
5. a milipore filter purging method, is characterized in that, the method comprises the following steps:
Step a: the rinse mouth of closing hyperfiltration treatment device or the flushing line that is communicated with described rinse mouth and the delivery port of gas reservoir or the outlet pipeline be communicated with described delivery port;
Step b: the pressure water source connecting the import of described hyperfiltration treatment device, flows into described gas reservoir after making the water with pressure flow through described hyperfiltration treatment device, compresses the gas of described gas reservoir inside;
Step c: rinse mouth or the flushing line of opening described hyperfiltration treatment device, after making described gas expansion that water is pressed into described hyperfiltration treatment device from the outlet of described hyperfiltration treatment device, discharges from the rinse mouth of described hyperfiltration treatment device.
6. a kind of milipore filter purging method according to claim 5, it is characterized in that, the method also comprises steps d:
Steps d: repeating said steps a, step b and step c successively, repeatedly rinses.
7. a milipore filter purging method, is characterized in that, under the state that delivery port or its outlet pipeline of gas reservoir keep the pressure water source of closedown and hyperfiltration treatment device to keep connection, described milipore filter purging method comprises the following steps:
Step a1: the rinse mouth of closing hyperfiltration treatment device or the flushing line be communicated with described rinse mouth, flow into described gas reservoir after making the water with pressure flow through described hyperfiltration treatment device, compress the gas of described gas reservoir inside;
Step b1: rinse mouth or the flushing line of opening described hyperfiltration treatment device, after making gas expansion that water is pressed into described hyperfiltration treatment device from the outlet of described hyperfiltration treatment device, discharges from the rinse mouth of described hyperfiltration treatment device.
8. a kind of milipore filter purging method according to claim 7, it is characterized in that, the method also comprises step c1:
Step c1: repeating said steps a1 and step b1 successively, repeatedly rinse.
9. a water purifier, it comprises counter-infiltration system, and described counter-infiltration system comprises water pump and reverse-osmosis treated device, and reverse-osmosis treated device is provided with water inlet, delivery port and concentrated water spout; It is characterized in that, its also comprise as arbitrary in claim 1-4 as described in milipore filter flusher,
The outlet of described hyperfiltration treatment device is communicated with described unit fixed on water pump suction by the first pipeline, and described exit of pump is communicated with the water inlet of described reverse-osmosis treated device by the second pipeline; The delivery port of described reverse-osmosis treated device is communicated with the outlet valve of counter-infiltration system by the 3rd pipeline; Described concentrated water spout is communicated with by the inlet pipeline of dense water lines with described water pump, and this dense water lines is provided with choke valve, or described concentrated water spout is by dense water lines emptying, and this dense water lines is provided with the second flushing valve or is provided with the second flushing valve and choke valve;
Described gas reservoir inside is communicated on described second pipeline, or is communicated in the dense water lines that is communicated with described concentrated water spout, or is communicated with the former water cavity in the housing of described reverse-osmosis treated device.
10. a kind of water purifier according to claim 9, is characterized in that, described water pump is import and export the diaphragm pump being equipped with check valve; Described water purifier also comprises return duct, one end of described return duct is communicated on described first pipeline, the other end is communicated on described second pipeline, or is communicated in the dense water lines that is communicated with described concentrated water spout, or is communicated with the former water cavity in the housing of described reverse-osmosis treated device; Described return duct is provided with return valve, and when described water pump energising runs, described return valve cuts out, and when described Pump Failure stops, described return valve is opened.
11. a kind of water purifiers according to claim 9 or 10, it is characterized in that, described counter-infiltration system also comprises water intaking valve, and described water intaking valve is arranged on the inlet pipeline of described reverse-osmosis treated device, and described gas reservoir is communicated on the inlet pipeline of described water intaking valve.
12. a kind of water purifiers according to claim 11, it is characterized in that, described counter-infiltration system also comprises in-line coagulation filter core, the delivery port of described in-line coagulation filter core is communicated with the water inlet of described reverse-osmosis treated device, and the water inlet of described in-line coagulation filter core is communicated with the delivery port of described hyperfiltration treatment device.
13. 1 kinds of water purifiers, it comprises counter-infiltration system, and described counter-infiltration system comprises water pump, water intaking valve and reverse-osmosis treated device, and reverse-osmosis treated device is provided with water inlet, delivery port and concentrated water spout; It is characterized in that, its also comprise as arbitrary in claim 1-4 as described in milipore filter flusher,
The outlet of described hyperfiltration treatment device is communicated with described unit fixed on water pump suction by the first pipeline, and described exit of pump is communicated with the water inlet of described reverse-osmosis treated device by the second pipeline; The delivery port of described reverse-osmosis treated device is communicated with the outlet valve of counter-infiltration system by the 3rd pipeline; Described concentrated water spout is by dense water lines emptying, and this dense water lines is provided with choke valve;
Described water intaking valve and gas reservoir inside are communicated on described second pipeline, and described gas reservoir is inner and the inlet communication of described water intaking valve.
14. 1 kinds of water purifiers, it comprises general water quality treater, it is characterized in that, its also comprise as arbitrary in claim 1-4 as described in milipore filter flusher, the outlet of described hyperfiltration treatment device is communicated with by the water inlet of the 4th pipeline with described general water quality treater, and the delivery port of described general water quality treater is communicated with outlet valve by the 5th pipeline; Described gas reservoir is communicated on described 4th pipeline, or is communicated on described 5th pipeline, or is communicated on the filter element shell of general water quality treater.
15. a kind of water purifiers according to claim 14, is characterized in that, described general water quality treater comprises filter core or filter core group, and the material for water treatment in described filter core or filter core group comprises active carbon and/or micropore ceramics and/or ion exchange resin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510685972.3A CN105251366A (en) | 2015-10-20 | 2015-10-20 | Ultrafiltration membrane washing method, ultrafiltration membrane washing device and water purifier provided with ultrafiltration membrane washing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510685972.3A CN105251366A (en) | 2015-10-20 | 2015-10-20 | Ultrafiltration membrane washing method, ultrafiltration membrane washing device and water purifier provided with ultrafiltration membrane washing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664719A (en) * | 2016-04-17 | 2016-06-15 | 王丽莉 | Automatic washing device and method for water purifier |
| CN120960986A (en) * | 2025-10-21 | 2025-11-18 | 海瑞膜科技南通有限公司 | External pressure type self-cleaning hollow fiber ultrafiltration membrane filter core structure |
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| CN1147971A (en) * | 1995-07-24 | 1997-04-23 | 株式会社广真意图 | Water purifying apparatus |
| CN102910752A (en) * | 2012-08-27 | 2013-02-06 | 段成同 | Air bag used for water treatment, and water purification device with same |
| CN205084634U (en) * | 2015-10-20 | 2016-03-16 | 江苏沁尔康环境电器有限公司 | Milipore filter washing unit and have device's water purifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1147971A (en) * | 1995-07-24 | 1997-04-23 | 株式会社广真意图 | Water purifying apparatus |
| CN102910752A (en) * | 2012-08-27 | 2013-02-06 | 段成同 | Air bag used for water treatment, and water purification device with same |
| CN205084634U (en) * | 2015-10-20 | 2016-03-16 | 江苏沁尔康环境电器有限公司 | Milipore filter washing unit and have device's water purifier |
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| CN105664719A (en) * | 2016-04-17 | 2016-06-15 | 王丽莉 | Automatic washing device and method for water purifier |
| CN120960986A (en) * | 2025-10-21 | 2025-11-18 | 海瑞膜科技南通有限公司 | External pressure type self-cleaning hollow fiber ultrafiltration membrane filter core structure |
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Application publication date: 20160120 |