CN103240000B - A kind of detection of inner pressed ultrafiltration membrane filter element and flusher - Google Patents

A kind of detection of inner pressed ultrafiltration membrane filter element and flusher Download PDF

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Publication number
CN103240000B
CN103240000B CN201310201839.7A CN201310201839A CN103240000B CN 103240000 B CN103240000 B CN 103240000B CN 201310201839 A CN201310201839 A CN 201310201839A CN 103240000 B CN103240000 B CN 103240000B
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ultrafiltration membrane
inner pressed
membrane filter
filter element
detection
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CN103240000A (en
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欧阳葵会
田文军
李伟
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CHENGDELAI INDUSTRY Co Ltd SHENZHEN
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CHENGDELAI INDUSTRY Co Ltd SHENZHEN
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Abstract

The invention discloses a kind of detection of inner pressed ultrafiltration membrane filter element and flusher for detecting and filter cartridge flushing, the outlet pipe that this inner pressed ultrafiltration membrane filter element comprises air pump and is communicated with the first gas outlet of air pump, second gas outlet of outlet pipe is communicated with the water purification mouth of inner pressed ultrafiltration membrane filter element or water inlet, outlet pipe is provided with the check valve to the second direction, gas outlet conducting, between check valve and the second gas outlet, is provided with Pressure gauge.Like this, can be realized the detection of the intact degree of filter core by the detection of inner pressed ultrafiltration membrane filter element provided by the present invention and flusher, in testing process, manual intervention is less, detects simple to operate, convenient operation; Meanwhile, this device can also realize the flushing of filter core, thus avoids filter core and block, and extends the service life of filter core.

Description

A kind of detection of inner pressed ultrafiltration membrane filter element and flusher
Technical field
The present invention relates to technical field of water treatment equipment, particularly relate to a kind of detection and flusher of inner pressed ultrafiltration membrane filter element.
Background technology
In water treatment field, widely, its filter core made is comparatively general in water treatment, seawater desalinization pretreatment, sewage disposal and the application of Domestic water purifying field in inner pressed milipore filter (i.e. inner pressed hollow fiber ultrafiltration membrane) application.In use, inner pressed milipore filter may cause breakage due to mechanical oscillation or impact of water hammer, affects the filter effect of inner pressed milipore filter, therefore, whether damagedly needs to detect inner pressed milipore filter in good time.
Traditional inner pressed milipore filter detection method is, whether inflate at the exocoel of filter core and observe film silk section and emit bubble to judge that whether film is intact, this kind of method complicated operation, needs specific purpose tool, is difficult to realize user side.
In addition, when filter core starts water flowing, the pollution of the inner surface of inner pressed milipore filter also starts thereupon, especially at low flow velocity, when high solute concentration and highly enriched ratio, just have when the inner surface of inner pressed milipore filter meets or exceeds solute saturation solubility gel layer and sedimentary deposit to be formed, cause the flux of film sharply to reduce, therefore inner pressed milipore filter needs to clean with restorability in time after finishing using.
Traditional inner pressed milipore filter backwashing manner is, common water flowing is adopted to rinse or oppositely water flowing flushing, this method recovers the common method of filter core flux, but along with filtering the increase of the water yield, fouling membrane is also along with intensification, this kind of cleaning method cannot remove gel layer and the sedimentary deposit of the attachment of inner pressed hollow fiber ultrafiltration membrane inner chamber brute force, can not reach the blocking slowing down film, the ideal effect increased the service life.
Therefore, how to detect the intact of inner pressed milipore filter, and rinse inner pressed milipore filter to slow down the blocking of filter core, extending the service life of filter core, needing the problem of solution with regard to becoming those skilled in the art badly.
Summary of the invention
The object of this invention is to provide a kind of detection and flusher of inner pressed ultrafiltration membrane filter element, whether it can detect inner pressed milipore filter in good time intact, and testing process is comparatively simple, convenient operation; Further, this device can rinse inner pressed milipore filter, to avoid the blocking of filter core, extends the service life of filter core.
For solving the problems of the technologies described above, the invention provides a kind of detection and flusher of inner pressed ultrafiltration membrane filter element, the outlet pipe comprising air pump and be communicated with the first gas outlet of described air pump, second gas outlet of described outlet pipe is communicated with the water purification mouth of described inner pressed ultrafiltration membrane filter element or water inlet, described outlet pipe is provided with the check valve to described second direction, gas outlet conducting, between described check valve and the second gas outlet, is provided with Pressure gauge.
Preferably, also comprise detecting element and control element, described detecting element detects the air pressure at described second gas outlet place, and the force value detected is passed to described control element, described control element by the air pressure that detects compared with preset air pressure, when the air pressure detected reaches described preset air pressure, described control element controls described air pump and closes.
Preferably, described detecting element is pressure switch, and described control element controls the keying of described air pump by the folding controlling described pressure switch.
Preferably, described Pressure gauge is arranged in described pressure switch.
Preferably, the test button be connected with external power source is also comprised.
Preferably, the push button be connected with external power source is also comprised.
Preferably, the relief valve be arranged between described check valve and described air pump is also comprised.
The detection of inner pressed ultrafiltration membrane filter element provided by the present invention and flusher are used for detecting and filter cartridge flushing, the outlet pipe that this inner pressed ultrafiltration membrane filter element comprises air pump and is communicated with the first gas outlet of air pump, second gas outlet of outlet pipe is communicated with the water purification mouth of inner pressed ultrafiltration membrane filter element or water inlet, outlet pipe is provided with the check valve to the second direction, gas outlet conducting, between check valve and the second gas outlet, is provided with Pressure gauge.
When whether intactly detecting filter core, first above-mentioned second gas outlet is connected with water purification mouth, by the water inlet of filter core and sewage draining exit emptying, then booster air pump, air pump improves constantly the air pressure of filter core at water purification mouth place by by inflating, observe the atmospheric pressure value of Pressure gauge display simultaneously, when air pressure brings up to predetermined pressure, close air pump, and whether decline by observing manometric pressure value, pressure value as Pressure gauge display declines, then can judge that damaged leakage occurs the inner pressed milipore filter in this filter core, if the pressure value of Pressure gauge display is constant, then can judge that this filter core is intact.
When filter cartridge flushing, water purification mouth is communicated with the second gas outlet with the one in water inlet, another one is communicated with cleaning water source, the sewage draining exit of inner pressed cellulosic ultrafiltration membrane cartridge is opened, booster air pump, air pump inflate apply pulse pressure water purification mouth place, this pulse pressure can vibrate the film silk of the inner pressed milipore filter of filter core, gel layer in film silk inner chamber and sedimentary deposit are come off, utilizes the flowing water in water source to rinse filter core simultaneously.
Like this, can be realized the detection of the intact degree of filter core by the detection of inner pressed ultrafiltration membrane filter element provided by the present invention and flusher, in testing process, manual intervention is less, detects simple to operate, convenient operation; Meanwhile, this device can also realize the flushing of filter core, thus avoids filter core and block, and extends the service life of filter core.
In a kind of detailed description of the invention, detection and the flusher of inner pressed ultrafiltration membrane filter element provided by the present invention also comprise detecting element and control element, wherein, detecting element is for detecting the air pressure at the second gas outlet place, and the force value detected is passed to control element, control element is by the air pressure that detects compared with preset air pressure, and when the air pressure detected reaches preset air pressure, control element controls air pump and closes; Like this, detected the air pressure in precalculated position in real time by automatic control system, and control the in good time closedown of air pump by this atmospheric pressure value, improve the sensitivity that device detects; Meanwhile, use above-mentioned detecting element and control element to realize the automatic closedown of air pump, further reduce the manual intervention in the course of work, improve the automaticity of device.
In another kind of detailed description of the invention, detection and the flusher of inner pressed ultrafiltration membrane filter element provided by the present invention also comprise relief valve, this relief valve is arranged between check valve and air pump, when detecting the air pressure excess load in complete or pipeline, the air pressure in pipeline is reduced, to improve the security performance of device by relief valve.
Accompanying drawing explanation
Fig. 1 is the detection of inner pressed ultrafiltration membrane filter element provided by the present invention and the structural representation of a kind of detailed description of the invention of flusher;
The detection that Fig. 2 is the ultrafiltration membrane filter element of inner pressed shown in Fig. 1 and flusher are for detecting schematic diagram during filter core;
The detection that Fig. 3 is the ultrafiltration membrane filter element of inner pressed shown in Fig. 1 and the schematic diagram of the first filter cartridge flushing mode of flusher;
The schematic diagram of the detection that Fig. 4 is the ultrafiltration membrane filter element of inner pressed shown in Fig. 1 and flusher the second filter cartridge flushing mode;
The detection that Fig. 5 is the ultrafiltration membrane filter element of inner pressed shown in Fig. 1 and the schematic diagram of the third filter cartridge flushing mode of flusher.
Detailed description of the invention
Core of the present invention is to provide a kind of detection and flusher of inner pressed ultrafiltration membrane filter element, and whether it can detect inner pressed milipore filter in good time intact, and testing process is comparatively simple, convenient operation; Further, this device can rinse inner pressed milipore filter, to avoid the blocking of filter core, extends the service life of filter core.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, Fig. 1 is the detection of inner pressed ultrafiltration membrane filter element provided by the present invention and the structural representation of a kind of detailed description of the invention of flusher.
In a kind of detailed description of the invention, the detection of inner pressed ultrafiltration membrane filter element provided by the present invention and flusher are used for detecting and filter cartridge flushing 3, the outlet pipe 2 that this inner pressed ultrafiltration membrane filter element 3 comprises casing 10, is installed on the air pump 1 in casing 10 and is communicated with the first gas outlet 11 of air pump 1, second gas outlet 21 of outlet pipe 2 is communicated with the water purification mouth 31 of inner pressed ultrafiltration membrane filter element 3 or water inlet 32, outlet pipe 2 is provided with the check valve 4 to the second gas outlet 21 direction conducting, between check valve 4 and the second gas outlet 21, is provided with Pressure gauge.
Above-mentioned casing 10 as the detection of inner pressed ultrafiltration membrane filter element provided by the present invention and other parts of flusher and the carrier of pipeline, from theory, also can not be arranged casing 10, be arranged separately by each parts, assemble during work.
It is pointed out that ordinal numbers such as " first, second " described in literary composition is the different parts in order to distinguish same names, only for convenience, not representing certain order, more should not be construed as any restriction.
When whether intactly detecting filter core 3, first above-mentioned second gas outlet 21 is connected with water purification mouth 31, by the water inlet 32 of filter core 3 and sewage draining exit 33 emptying, then booster air pump 1, air pump 1 improves constantly the air pressure of filter core 3 at water purification mouth 31 place by by inflating, observe the atmospheric pressure value of Pressure gauge display simultaneously, when air pressure brings up to predetermined pressure, close air pump 1, and whether decline by observing manometric pressure value, pressure value as Pressure gauge display declines, then can judge that damaged leakage occurs the inner pressed milipore filter in this filter core 3, if the pressure value of Pressure gauge display is constant, then can judge that this filter core 3 is intact.
When filter cartridge flushing 3, water purification mouth 31 is communicated with the second gas outlet 21 with the one in both water inlets 32, another one is communicated with cleaning water source, the sewage draining exit 33 of inner pressed cellulosic ultrafiltration membrane cartridge 3 is opened, booster air pump 1, air pump 1 inflate apply pulse pressure water purification mouth 31 place, this pulse pressure can vibrate the film silk of the inner pressed milipore filter of filter core 3, gel layer in film silk inner chamber and sedimentary deposit are come off, utilizes the flowing water in water source to rinse filter core 3 simultaneously.
Like this, can be realized the detection of the intact degree of filter core 3 by the detection of inner pressed ultrafiltration membrane filter element provided by the present invention and flusher, in testing process, manual intervention is less, detects simple to operate, convenient operation; Meanwhile, this device can also realize the flushing of filter core 3, thus avoids filter core 3 and block, and extends the service life of filter core 3.
The detection of inner pressed ultrafiltration membrane filter element provided by the present invention and flusher also comprise detecting element and control element 5, wherein, detecting element is for detecting the air pressure at the second gas outlet 21 place, and the force value detected is passed to control element 5, control element 5 by the air pressure that detects compared with preset air pressure, when the air pressure detected reaches preset air pressure, control element 5 controls air pump 1 and closes; Like this, detected the air pressure in precalculated position in real time by automatic control system, and control the in good time closedown of air pump 1 by this atmospheric pressure value, improve the sensitivity that device detects; Meanwhile, use above-mentioned detecting element and control element 5 to realize the automatic closedown of air pump 1, further reduce the manual intervention in the course of work, improve the automaticity of device.
Above-mentioned detecting element can be pressure switch 6, and control element 5 controls the keying of air pump 1 by the folding of controlled pressure switch 6, so that control air pump 1.Above-mentioned detecting element is also not limited to pressure switch 6, also can be the element of the other types that can detect air pressure, such as pressure sensor etc., apparently, if this pressure sensor does not have the function of switch, then need the switch that control element 5 can control on air pump 1.
Above-mentioned Pressure gauge also can be arranged in pressure switch 6, also can be provided separately with pressure switch 6.
Detection and the flusher of inner pressed ultrafiltration membrane filter element provided by the present invention also comprise the test button 7 be connected with external power source, and when needs detect operation, Pen-down detection button 7 switches on power, for whole device provides electric power.
Detection and the flusher of inner pressed ultrafiltration membrane filter element provided by the present invention also comprise the push button 8 be connected with external power source, when needs rinse operation, press push button 8 and switch on power, for whole device provides electric power.
It is pointed out that the duty above-mentioned test button 7 and push button 8 being set and being also convenient to residing for recognition device.
Detection and the flusher of inner pressed ultrafiltration membrane filter element provided by the present invention also comprise relief valve 9, this relief valve 9 is arranged between check valve 4 and air pump 1, when detecting the air pressure excess load in complete or pipeline, reduced the air pressure in pipeline by relief valve 9, to improve the security performance of device.
Below for above-mentioned detailed description of the invention, simply introduce the detection of inner pressed ultrafiltration membrane filter element provided by the present invention and the course of work of flusher and using method.
Please refer to Fig. 2, the detection that Fig. 2 is the ultrafiltration membrane filter element of inner pressed shown in Fig. 1 and flusher are for detecting schematic diagram during filter core.
The detection of inner pressed ultrafiltration membrane filter element provided by the present invention with the detection method of flusher is: be connected with the water purification mouth 31 of inner pressed ultrafiltration membrane filter element 3 the second gas outlet 21 of device, by the water inlet 32 of inner pressed ultrafiltration membrane filter element 3 and sewage draining exit 33 emptying, by the test button 7 on lower device, control element 5 controls air pump 1 and starts, air pump 1 is by by inflating the air pressure improving constantly inner pressed ultrafiltration membrane filter element 3 water purification mouth 31 end, when air pressure brings up to about 0.2MPa, pressure switch 6 closes air pump 1 by control system, now whether declined by the pressure value observed in pressure switch 6 and judge, as pressure value declines, then can judge that this inner pressed ultrafiltration membrane filter element 3 breakage is revealed, otherwise then can judge that inner pressed ultrafiltration membrane filter element 3 is intact.
Please refer to Fig. 3, the detection that Fig. 3 is the ultrafiltration membrane filter element of inner pressed shown in Fig. 1 and the schematic diagram of the first filter cartridge flushing mode of flusher.
The detection of inner pressed ultrafiltration membrane filter element provided by the present invention and the first purging method of flusher are: be generally running water by rinsing water source 34() connect the water inlet 32 of inner pressed ultrafiltration membrane filter element 3, the sewage draining exit 33 of inner pressed ultrafiltration membrane filter element 3 is opened, second gas outlet 21 of water purification mouth 31 jockey of inner pressed ultrafiltration membrane filter element 3, press push button 8, control element 5 controls air pump 1 and starts, air pump 1 is inflated and is applied pulse pressure in water purification mouth 31 side of inner pressed ultrafiltration membrane filter element 3, this pulse pressure can vibrate inner pressed milipore filter film silk, gel layer in film silk inner chamber and sedimentary deposit are come off, open the internal pressure type ultrafiltration membrane filter element 3 in flushing water source to rinse simultaneously.
Please refer to Fig. 4, the schematic diagram of the detection that Fig. 4 is the ultrafiltration membrane filter element of inner pressed shown in Fig. 1 and flusher the second filter cartridge flushing mode.
The detection of inner pressed ultrafiltration membrane filter element provided by the present invention and the second purging method of flusher are: the water purification mouth 31 flushing water source being connect inner pressed ultrafiltration membrane filter element 3, the sewage draining exit 33 of inner pressed ultrafiltration membrane filter element 3 is opened, second gas outlet 21 of water inlet 32 jockey of inner pressed ultrafiltration membrane filter element 3, press push button 8, control element 5 controls air pump 1 and starts, air pump 1 is inflated and is applied air pulse in water inlet 32 side of inner pressed ultrafiltration membrane filter element 3, open the water purification mouth 31 rinsing the internal pressure type ultrafiltration membrane filter element 3 in water source simultaneously and carry out backwash, then air pulse and backwash current will rinse the gel layer in filter core 3 inner chamber and sedimentary deposit at film silk inner chamber formation biphase gas and liquid flow.
Please refer to Fig. 5, the detection that Fig. 5 is the ultrafiltration membrane filter element of inner pressed shown in Fig. 1 and the schematic diagram of the third filter cartridge flushing mode of flusher.
The detection of inner pressed ultrafiltration membrane filter element provided by the present invention with the third purging method of flusher is: be connected with the water inlet 32 of inner pressed ultrafiltration membrane filter element 3 by threeway the second gas outlet 21 of flushing water source apparatus, sewage draining exit 33 and the water purification mouth 31 of inner pressed ultrafiltration membrane filter element 3 are emptying, press push button 8, control element 5 controls air pump 1 and starts, air pump 1 is inflated and is applied air pulse in water inlet 32 side of inner pressed ultrafiltration membrane filter element 3, open the water inlet 32 rinsing the internal pressure type ultrafiltration membrane filter element 3 in water source simultaneously and carry out backwash, then air pulse and flushing current will rinse the gel layer in filter core 3 inner chamber and sedimentary deposit at film silk inner chamber formation biphase gas and liquid flow.
Above the detection of a kind of inner pressed ultrafiltration membrane filter element provided by the present invention and flusher are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.

Claims (7)

1. the detection of an inner pressed ultrafiltration membrane filter element and flusher, it is characterized in that, the outlet pipe (2) comprising air pump (1) and be communicated with first gas outlet (11) of described air pump (1), described outlet pipe (2) is provided with the check valve (4) of the second gas outlet (21) the direction conducting to described outlet pipe (2), between described check valve (4) and the second gas outlet (21), is provided with Pressure gauge;
Under detected state, second gas outlet (21) of described outlet pipe (2) is communicated with the water purification mouth (31) of described inner pressed ultrafiltration membrane filter element, the water inlet (32) of described inner pressed ultrafiltration membrane filter element and sewage draining exit all emptying;
Under flushing state, second gas outlet (21) of described outlet pipe (2) is communicated with the water purification mouth (31) of described inner pressed ultrafiltration membrane filter element, described water inlet (32) is communicated with clean water source, and described sewage draining exit is opened.
2. the detection of inner pressed ultrafiltration membrane filter element according to claim 1 and flusher, it is characterized in that, also comprise detecting element and control element (5), described detecting element detects the air pressure at described second gas outlet (21) place, and the force value detected is passed to described control element (5), described control element (5) by the air pressure that detects compared with preset air pressure, when the air pressure detected reaches described preset air pressure, described control element (5) controls described air pump (1) and closes.
3. the detection of inner pressed ultrafiltration membrane filter element according to claim 2 and flusher, it is characterized in that, described detecting element is pressure switch (6), and described control element (5) controls the keying of described air pump (1) by the folding controlling described pressure switch (6).
4. the detection of inner pressed ultrafiltration membrane filter element according to claim 3 and flusher, it is characterized in that, described Pressure gauge is arranged in described pressure switch (6).
5. the detection of the inner pressed ultrafiltration membrane filter element according to any one of Claims 1-4 and flusher, is characterized in that, also comprises the test button (7) be connected with external power source.
6. the detection of the inner pressed ultrafiltration membrane filter element according to any one of Claims 1-4 and flusher, is characterized in that, also comprises the push button (8) be connected with external power source.
7. the detection of the inner pressed ultrafiltration membrane filter element according to any one of Claims 1-4 and flusher, is characterized in that, also comprises the relief valve (9) be arranged between described check valve (4) and described air pump (1).
CN201310201839.7A 2013-05-27 2013-05-27 A kind of detection of inner pressed ultrafiltration membrane filter element and flusher Active CN103240000B (en)

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CN105692795B (en) * 2016-03-31 2019-06-14 佛山市顺德区美的饮水机制造有限公司 The control method of ultrafiltration water purification system and ultrafiltration water purification system
CN106731863A (en) * 2016-12-15 2017-05-31 深圳市沃泰克环保设备有限公司 A kind of ultrafilter gas detecting method and device
CN110339721A (en) * 2018-04-03 2019-10-18 青岛海尔智能技术研发有限公司 Gas, which is wiped, rinses water purifier

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CN203264565U (en) * 2013-05-27 2013-11-06 深圳市诚德来实业有限公司 Internal pressure type ultrafiltration membrane filter core detection and washing device

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