CN204051300U - The filter element washer of pneumatic filter and pneumatic filter - Google Patents
The filter element washer of pneumatic filter and pneumatic filter Download PDFInfo
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- CN204051300U CN204051300U CN201420191303.1U CN201420191303U CN204051300U CN 204051300 U CN204051300 U CN 204051300U CN 201420191303 U CN201420191303 U CN 201420191303U CN 204051300 U CN204051300 U CN 204051300U
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- filter element
- washer
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- air
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- 238000001914 filtration Methods 0.000 claims abstract description 123
- 238000004140 cleaning Methods 0.000 claims abstract description 52
- 239000000428 dust Substances 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims description 49
- 239000002245 particle Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- 239000004698 Polyethylene Substances 0.000 claims description 16
- -1 polyethylene Polymers 0.000 claims description 16
- 229920000573 polyethylene Polymers 0.000 claims description 16
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 16
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000008520 organization Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 description 29
- 239000012530 fluid Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000007787 solid Substances 0.000 description 9
- 238000007664 blowing Methods 0.000 description 6
- 230000001502 supplementing effect Effects 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011146 organic particle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 206010046996 Varicose vein Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses and a kind ofly can carry out the pneumatic filter of Ultrasonic Cleaning and the filter element washer of pneumatic filter to filter element.Described pneumatic filter comprises shell and is arranged on the filter element in shell, described shell and filter element are connected by orifice plate and form first space and second space of separating, the transmission of gas to be filtered occurs in the first space, the transmission of filtering gas occurs in second space, the washer that pneumatic filter moves relative to its filter element under being also included in the driving of Bit andits control mechanism, when pneumatic filter normal filtration, described filter element is positioned at this washer outside, when carrying out Ultrasonic Cleaning to filter element, described filter element is positioned at this washer inside, the cleaning liquid bath holding filter element is formed in this washer, described cleaning liquid bath connects ultrasonic generator.Ultrasonic Cleaning is carried out to filter element, the dust on filter element can be made to obtain removing comparatively thoroughly.
Description
Technical field
The utility model relates to the filter element washer of a kind of pneumatic filter and pneumatic filter.
Background technology
Figure 1 shows that a kind of existing air handling system.It comprises indoor air outlet 610, indoor inlet scoop 620, air supply duct 700, return air duct 800 and blower fan 100, indoor air outlet 610 is connected with the air outlet of blower fan 100 by air supply duct 700, indoor inlet scoop 620 is connected with the inlet scoop of blower fan 100 by return air duct 800, air supply duct 700 is disposed with heater 300 by air-flow direction, refrigerating plant 400 and humidity conditioner 500, air supply duct 700 is also provided with an air cleaner 200 between heater 300 and the air outlet of blower fan 100, these facilities above-mentioned form an air circulation stream, and this air circulation stream exists the new wind input port supplementing outside air in this air circulation stream, specifically, new wind input port is the inlet scoop of blower fan 100.The operation principle of this air handling system is: suck in air circulation stream by blower fan 100 by outside air (i.e. new wind), after air cleaner 200 filters, the temperature and humidity making air reach setting by heater 300, refrigerating plant 400 and humidity conditioner 500 successively indoor air outlet 610 enters in the interior space 600, air simultaneously in the interior space 600 again constantly indoor inlet scoop 620, return air duct 800 draw back the inlet scoop of blower fan 100, and then to circulate in air circulation stream.The subject matter that above-mentioned air handling system exists is, what its air cleaner 200 adopted is the filter cartridge type dust removal and filtration filter core that filtering accuracy is lower, service life is shorter, on the one hand this filter core cannot fine solid particle effectively in filtering outside air, especially be the fine particulates of representative with PM10-PM2.5, cause in the interior space 600, being subject to PM10-PM2.5 to pollute, affect the healthy of people; The fine solid particle wearing filter is easily attached to the harm such as the efficiency caused pipeline, heat exchange, the control equipment such as to wet in system is lost, corrosion, increases system energy consumption and also increases maintenance cost.
Utility model content
First technical problem to be solved in the utility model is to provide a kind of indoor PM10-PM2.5 that can effectively improve and pollutes and the device efficiency that caused by fine solid particle is lost, the air handling system of etching problem.
For this reason, air handling system of the present utility model comprises indoor air outlet, indoor inlet scoop, air supply duct, return air duct and blower fan, indoor air outlet is connected with the air outlet of blower fan by air supply duct, indoor inlet scoop is connected with the inlet scoop of blower fan by return air duct, air supply duct is provided with heater and/or refrigerating plant and/or humidity conditioner, thus form air circulation stream, this air circulation stream exists the new wind input port supplementing outside air in this air circulation stream, described new wind input port is connected with an air film filter by new wind air inlet pipe, the filter element that this air film filter uses has the filtering material be made up of porous breathable supporter and the filtration membrane that is attached to porous breathable supporting body surface, filtration membrane wherein has smooth, show as the filtration face of hydrophobicity, and the clearance of this filter membrane dust of particle diameter >=0.1 μm in the air to be filtered reaches more than 99%.Wherein, described porous breathable supporter is preferably high density porous polyethylene supporter, and described filtration membrane is preferably expanded PTFE filtration membrane.
In above-mentioned filter element, its filtration membrane bears filtration, and porous breathable supporter only plays a supportive role, and does not participate in filtering.Like this, (more than 99% is reached to the clearance of the dust of particle diameter >=0.1 μm) filtering under the comparatively high filtering precision that has of face, dust in air to be filtered is almost blocked in the outside of filtering face completely, pure air after filter can reach close to zero dust content, equipment affects from dust to make the pipeline in air handling system, heat exchange, control wet etc., ensure its operating efficiency, reduce system energy consumption and maintenance cost.Because filtration membrane has smooth, to show as hydrophobicity filtration face, stick with paste film phenomenon even if also not easily produce under the weather conditions that humidity is higher, and film surface dust is very easy to remove, and reaches Long-Time Service object.When porous breathable supporter is preferably high density porous polyethylene supporter, when filtration membrane is preferably expanded PTFE filtration membrane, first, expanded PTFE filtration membrane itself has very high filtering accuracy, and under the support of high density porous polyethylene supporter, embody stronger rigidity again, therefore filtering material can the high filtering precision of stable for extended periods of time; Secondly, expanded PTFE filtration membrane a kind of on polytetrafluoroethylmaterial material, forms the film of fibrous blind hole by stretcher strain (i.e. the implication of " varicosity "), it has the feature of extremely strong hydrophobicity and not sticky ash (smooth surface), therefore is very suitable for the filtration membrane in the utility model.
As the preferred concrete structure of one of above-mentioned air film filter, this air film filter comprises the filter element of at least two group time interval arrangements, each group filter element comprises about many and is spaced and one end open, the chimney filter that the other end is closed, the openend of these chimney filters upwards unification is arranged on orifice plate, blind end is consistent down, the top of this orifice plate is positioned at for being provided with the pure qi (oxygen) chamber of exhaust outlet in air film filter, be positioned at the open space then for outwardly opening wide below orifice plate, described each chimney filter comprises by tube layer in porous breathable supporter is formed and is attached to the external tube layer formed on described inner tube outer surface and by described filtration membrane.
For effectively carrying out deashing to the filter element of air film filter, described air film filter is provided with and sprays the spray deashing device of deashing for carrying out the filtration face of its filter element, act on cleaning fluid on described filtration face by the shower nozzle of this spray deashing device during spray deashing and to move along filter membrane surface current and to depart from from filtration face after carrying the dust on its surface.Described spray deashing device preferably adopts the shower nozzle being positioned at also loose shape sprinkling downwards above chimney filter side.On this basis, described spray deashing device can be designed to comprise to be arranged between arbitrary neighborhood two groups of filter elements and with chimney filter in filter element between left and right every the cleaning fluid conveying pipeline that orientation be arranged in parallel, each cleaning fluid conveying pipeline is arranged at intervals with multiple described shower nozzle, the input of each cleaning fluid conveying pipeline is connected with feed liquor house steward respectively.
The filter element used in conjunction with air film filter has the filtering material be made up of porous breathable supporter and the filtration membrane that is attached to porous breathable supporting body surface, filtration membrane wherein has smooth, show as the feature of the filtration face of hydrophobicity, the filtration face of above-mentioned spray deashing device to filter element is used to carry out spray deashing, act on cleaning fluid (such as water) on described filtration face by the shower nozzle of spray deashing device during spray deashing to move along filter membrane surface current and to depart from from filtering face after carrying the dust on its surface, effectively can remove the dust filtered on face.In addition, because the clearance of filter membrane dust of particle diameter >=0.1 μm in the air to be filtered reaches more than 99%, when namely guaranteeing to filter, fine dust is difficult to pierce the inside of filtering material, therefore these fine dust can only be attached to the surface of filtering face, thus can be easy to be washed when spraying deashing.
For carrying out deashing to the filter element of air film filter, also following scheme can be taked, that is: the washer that moves relative to its filter element under being also included in the driving of Bit andits control mechanism of described air film filter, when air film filter normal filtration, described filter element is positioned at this washer outside, when carrying out Ultrasonic Cleaning to filter element, described filter element is positioned at this washer inside, form the cleaning liquid bath holding filter element in this washer, described cleaning liquid bath connects ultrasonic generator.The program proposes to carry out Ultrasonic Cleaning to filter element, the dust on filter element can be made to obtain removing comparatively thoroughly, and can remove the usual manner such as the organic particle be attached on filter element, aerosol and be difficult to removal of contamination.The filter element used owing to combining air film filter equally has the filtering material be made up of porous breathable supporter and the filtration membrane that is attached to porous breathable supporting body surface, filtration membrane wherein has the feature of smooth, to show as hydrophobicity filtration face, makes Ultrasonic Cleaning mode create the ash-removal effect of highly significant to this kind of filter element.
Second technical problem to be solved in the utility model is to provide the above-mentioned spray deashing principle of a kind of reference, thus can carry out the pneumatic filter of the sprayed deashing of effective deashing to filter element.
This can spray the pneumatic filter of deashing, comprise shell and be arranged on the filter element in shell, described shell and filter element are connected by orifice plate and form first space and second space of separating, the transmission of gas to be filtered occurs in the first space, the transmission of filtering gas occurs in second space, described filter element has smooth, show as the filtration working face of hydrophobicity, and, this pneumatic filter is provided with the spray deashing device for carrying out spraying deashing to described filtration working face, act on cleaning fluid on described filtration working face by the shower nozzle of this spray deashing device during spray deashing to move along the work of filtration surface current and to depart from from filtration working face after carrying the dust on its surface.Wherein, described filter element preferably has the filtering material be made up of porous breathable supporter and the filtration membrane that is attached to porous breathable supporting body surface, and filtration membrane wherein has smooth, to show as hydrophobicity filtration face.Described porous breathable supporter can more preferably high density porous polyethylene supporter, and described filtration membrane is expanded PTFE filtration membrane more preferably.
The feature that combined filtering working face is smooth, show as hydrophobicity, the filtration working face of above-mentioned spray deashing device to filter element is used to carry out spray deashing, act on cleaning fluid (such as water) on described filtration working face by the shower nozzle of spray deashing device during spray deashing to move along the work of filtration surface current and to depart from from filtration face after carrying the dust on its surface, effectively can remove the dust on filtration working face.When the clearance of described filter membrane dust of particle diameter >=0.1 μm in the air to be filtered reaches more than 99%, when namely guaranteeing to filter, fine dust is difficult to pierce the inside of filtering material, therefore these fine dust can only be attached to the surface of filtering face, thus can be easy to be washed when spraying deashing.
Described filter element be preferably designed for comprise many one end open and the other end close chimney filter, the openend of these chimney filters upwards unification is arranged on orifice plate, blind end is consistent down, the outer surface of each chimney filter is for filtering working face, then spray deashing device adopts the shower nozzle being positioned at also loose shape sprinkling downwards above chimney filter side.On this basis, the pneumatic filter that can spray deashing can be designed to the filter element comprising at least two group time interval arrangements, each group filter element comprises about many spaced described chimney filters, the top of this orifice plate is positioned at for being provided with the pure qi (oxygen) chamber of exhaust outlet in pneumatic filter, be positioned at the open space of below then for outwardly opening wide of this orifice plate, spray deashing device wherein comprise to be arranged between arbitrary neighborhood two groups of filter elements and with chimney filter in filter element between left and right every the cleaning fluid conveying pipeline that orientation be arranged in parallel, each cleaning fluid conveying pipeline is arranged at intervals with multiple described shower nozzle, the input of each cleaning fluid conveying pipeline is connected with feed liquor house steward respectively.
Be further, between arbitrary neighborhood two groups of filter elements, each chimney filter wherein in one group of filter element is organized with another successively before and after each chimney filter in filter element and is alignd, two chimney filters adjacent in same filter element and adjacent another are organized between two chimney filters that align in filter element and are arranged a shower nozzle, and the intersection point of center and this four chimney filter central crossbar lines of this shower nozzle overlaps.Thus, just make a shower nozzle can simultaneously and stepless action in four chimney filters of its periphery, guarantee cleaning efficiency.
The above-mentioned pneumatic filter spraying deashing also can arrange the back-blowing dust removing device of filter element, and makes spray deashing device and back-blowing dust removing device collaborative work.Back-blowing dust removing device is the ash removing equipment that current pneumatic filter generally uses, its operation principle carries out blowback (blowback work gas airflow direction is contrary with airflow direction when filtering) by the blowback work gas of certain pressure to filter element, thus the dust recoil being attached to filter element surface fallen.A problem of reverse gas cleaning is, when containing fine solid particle in gas to be filtered, due to these fine solid particle very light weight, be not easy sedimentation, even if by blowback by fine solid particle from after filter element washes out, they still can be dispersed in around filter element, can be re-attached to again on filter element in the short time.After in the pneumatic filter that can spray deashing, back-blowing dust removing device is set, after the filtration working face of spray deashing device wherein to filter element carries out spray deashing, can not become dry owing to filtering on working face at once, but be attached with the moistening material carried secretly and be gathered into larger solid particle, at this moment back-blowing dust removing device can be restarted after filtering the water evaporates on working face, or directly after spray deashing, start the water evaporates on back-blowing dust removing device accelerated filtration working face and continue reverse gas cleaning after water evaporates, thus the larger solid particle be gathered into is washed out from filtration working face, make particle natural subsidence.So just well solve the problem that fine solid particle is difficult to sedimentation.
3rd technical problem to be solved in the utility model is to provide the above-mentioned Ultrasonic Cleaning principle of a kind of reference, thus carries out the pneumatic filter of deashing and the filter element washer of pneumatic filter to filter element.
This pneumatic filter comprises shell and is arranged on the filter element in shell, described shell and filter element are connected by orifice plate and form first space and second space of separating, the transmission of gas to be filtered occurs in the first space, the transmission of filtering gas occurs in second space, the washer that pneumatic filter moves relative to its filter element under being also included in the driving of Bit andits control mechanism, when pneumatic filter normal filtration, described filter element is positioned at this washer outside, when carrying out Ultrasonic Cleaning to filter element, described filter element is positioned at this washer inside, the cleaning liquid bath holding filter element is formed in this washer, described cleaning liquid bath connects ultrasonic generator.Wherein, filter element preferably has the filtering material be made up of high density porous polyethylene supporter and the expanded PTFE filtration membrane that is adhering closely to high density porous polyethylene supporting body surface.Further, the clearance of the filter membrane of described expanded PTFE filtration membrane dust of particle diameter >=0.1 μm in the air to be filtered reaches more than 99%.Ultrasonic Cleaning is carried out to filter element, the dust on filter element can be made to obtain removing comparatively thoroughly, and the usual manner such as the organic particle be attached on filter element, aerosol can be removed be difficult to removal of contamination.
Described filter element be preferably designed for comprise many one end open and the other end close chimney filter, the openend of these chimney filters upwards unification is arranged on orifice plate, blind end is consistent down, the outer surface of each chimney filter is for filtering working face, the top of this orifice plate is positioned at for being provided with the pure qi (oxygen) chamber of exhaust outlet in pneumatic filter, be positioned at the open space then for outwardly opening wide below orifice plate, described Bit andits control mechanism is made filter element enter by driving washer and the upper and lower relative motion of filter element or is shifted out washer.On this basis, pneumatic filter can be further designed to and comprise washer mounting seat, the shell of pneumatic filter is fixed on the top of this washer mounting seat by support entirety, filter element is between orifice plate and washer mounting seat, the barrel jacket dress of described washer on the housing, this cylindrical shell and shell are connected displacement controlling organization respectively, when pneumatic filter normal filtration, cylindrical shell move to above filter element, when carrying out deashing to filter element, cylindrical shell drops to be connected with washer mounting seat and adaptively forms the cleaning liquid bath holding filter element.Described ultrasonic generator is preferably mounted in washer mounting seat.Described Bit andits control mechanism is preferably designed for the rack and pinion drive mechanism comprising and being arranged between cylinder inboard wall and shell.
In a word, above-mentioned gas filter is arranged on by washer on pneumatic filter thus a kind of new gas filter formed.It can realize the Ultrasonic Cleaning to filter element when filter element exempts from dismounting.Certainly, realize the Ultrasonic Cleaning to filter element, also can adopt the filter element washer of special pneumatic filter, have the cleaning liquid bath holding filter element in this washer, described cleaning liquid bath connects ultrasonic generator.Like this, filter element can be put into washer again after pneumatic filter dismounting and carry out Ultrasonic Cleaning, after cleaning, again filter element be loaded pneumatic filter.Wherein, the open ended filter element of described cleaning liquid bath is at least one group of all-in-one-piece filter element, and this filter element comprises many spaced chimney filters, and described each chimney filter is connected as one by the first termination connector and the second termination connector; Described first termination connector be provided with respectively with the passage of the openend conducting of described each chimney filter.Due to many chimney filters are connected into one group of filter element, therefore improve the convenience of filter element installation.Further, described filter element equally preferably has the filtering material be made up of high density porous polyethylene supporter and the expanded PTFE filtration membrane that is adhering closely to high density porous polyethylene supporting body surface.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.The aspect that the utility model is additional and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of existing air handling system.
Fig. 2 is the structural representation of the air handling system of the utility model embodiment 1.
Fig. 3 is the structural representation of the air handling system of the utility model embodiment 2.
Fig. 4 is a kind of structural representation of air film filter in the utility model air handling system.
Fig. 5 is the left view (simultaneously have employed broken section in this figure with finder internal structure) of Fig. 4.
Fig. 6 be in Fig. 4 A-A to sectional view.
Fig. 7 is the structural representation of filter element in the utility model air film filter.
Fig. 8 is the upward view of Fig. 7.
Fig. 9 is the partial enlarged drawing at A place in Fig. 8.
Figure 10 is the structural representation of the utility model filter element washer.
Figure 11 is the another kind of structural representation (filtration condition) of air film filter in the utility model air handling system.
Figure 12 is the structural representation (Ultrasonic Cleaning state) of the air film filter of Figure 11.
Detailed description of the invention
As shown in Figure 1, existing air handling system comprises indoor air outlet 610, indoor inlet scoop 620, air supply duct 700, return air duct 800 and blower fan 100, indoor air outlet 610 is connected with the air outlet of blower fan 100 by air supply duct 700, indoor inlet scoop 620 is connected with the inlet scoop of blower fan 100 by return air duct 800, air supply duct 700 is disposed with heater 300 by air-flow direction, refrigerating plant 400 and humidity conditioner 500, air supply duct 700 is also provided with between heater 300 and the air outlet of blower fan 100 air cleaner 200 that adopts filter cartridge type dust removal and filtration filter core, these facilities above-mentioned form an air circulation stream, this air circulation stream exists the new wind input port supplementing outside air in this air circulation stream, be specially blower fan 100 an inlet scoop (namely blower fan 100 not only as make air at the power source of described air circulation stream internal circulation flow but also as the power source being supplemented outside air by new wind input port in this air circulation stream).Its operation principle is: suck in air circulation stream by blower fan 100 by outside air (i.e. new wind), after air cleaner 200 filters, the temperature and humidity making air reach setting by heater 300, refrigerating plant 400 and humidity conditioner 500 successively indoor air outlet 610 enters in the interior space 600, air simultaneously in the interior space 600 again constantly indoor inlet scoop 620, return air duct 800 draw back the inlet scoop of blower fan 100, and then to circulate in air circulation stream.
As shown in Figure 2, the air handling system of the utility model embodiment 1 is an air handling system of installing first in New Buildings, it comprises indoor air outlet 610 equally, indoor inlet scoop 620, air supply duct 700, return air duct 800 and blower fan 100, indoor air outlet 610 is connected with the air outlet of blower fan 100 by air supply duct 700, indoor inlet scoop 620 is connected with the inlet scoop of blower fan 100 by return air duct 800, air supply duct 700 is disposed with heater 300 by air-flow direction, refrigerating plant 400 and humidity conditioner 500(eliminate air cleaner 200), these facilities above-mentioned form an air circulation stream, this air circulation stream exists the new wind input port supplementing outside air in this air circulation stream, blower fan 100 is not only as making air at the power source of described air circulation stream internal circulation flow but also as the power source being supplemented outside air by new wind input port in this air circulation stream, in addition, new wind input port is connected with an air film filter 900 by new wind air inlet pipe, composition graphs 4-9 is known, the filter element that this air film filter 900 uses has the filtering material be made up of porous breathable supporter 911b and the filtration membrane 911a that is attached to porous breathable supporter 911b surface, filtration membrane 911a wherein has smooth, show as the filtration face of hydrophobicity, and the clearance of this filter membrane dust of particle diameter >=0.1 μm in the air to be filtered reaches more than 99%, and (wherein porous breathable supporter 911b is high density porous polyethylene supporter, filtration membrane 911a is expanded PTFE filtration membrane, filtering material is by mould first shaping high density porous polyethylene supporter, and then the method preparation of one deck expanded PTFE filtration membrane is covered at its surface heat, test shows that this expanded PTFE filtration membrane is that the clearance of the dust of 0.1 ~ 0.12 μm reaches 99.97% to particle diameter, 99.999% is reached to the clearance of PM2.5 particle, 99.999% is reached to the clearance of PM10 particle).
As shown in Figure 3, the air handling system of the utility model embodiment 2 is one and carries out improved air handling system to the air handling system in existing structure, it comprises indoor air outlet 610, indoor inlet scoop 620, air supply duct 700, return air duct 800 and blower fan 100, indoor air outlet 610 is connected with the air outlet of blower fan 100 by air supply duct 700, indoor inlet scoop 620 is connected with the inlet scoop of blower fan 100 by return air duct 800, air supply duct 700 is disposed with heater 300 by air-flow direction, refrigerating plant 400 and humidity conditioner 500(remain the air cleaner 200 in Fig. 1 simultaneously, but the filter cartridge type dust removal and filtration filter core in this air cleaner 200 is dismantled, namely air cleaner 200 is only as air flow passage, and no longer there is filtering function), these facilities above-mentioned form an air circulation stream, this air circulation stream exists the new wind input port supplementing outside air in this air circulation stream, blower fan 100 is not only as making air at the power source of described air circulation stream internal circulation flow but also as the power source being supplemented outside air by new wind input port in this air circulation stream, new wind input port is connected with an air film filter 900 by new wind air inlet pipe, the filter element that this air film filter 900 uses is identical with embodiment 1, in addition, air handling system due to embodiment 2 is the transformation to existing air handling system, remain former blower fan 100, consider the filtering accuracy of former air cleaner 200 low and air film filter 900 filtering accuracy of increase is high, also higher to the requirement of filter pressure, therefore embodiment 2 air handling system adds the second blower fan 100 ' (being mainly used in strengthening filter pressure), the inlet scoop of the second blower fan 100 ' is connected with described air film filter 900, the air outlet of the second blower fan 100 ' is connected with described new wind input port.In addition, the air handling system of embodiment 2 also can further set up the second return air duct 800 ', the air inlet of this second return air duct 800 ' is connected on described return air duct 800, the exhaust outlet of the second return air duct 800 ' is connected with the inlet scoop of the second blower fan 100 ', thus air circulation is assigned to respectively blower fan 100 and the second blower fan 100 ', guarantee circulation power.
The air handling system of above-described embodiment 1 and embodiment 2 all can adopt air film filter 900 as shown in figures 4-9, also can adopt air film filter 900 as depicted in figs. 11-12.Respectively the air film filter 900 of these two kinds of structures is specifically described below.The filter element that air film filter 900 as shown in figures 4-9 comprises shell 920 and is arranged in shell 920, shell 920 supports on the ground by support 930, shell 920 is connected by orifice plate 940 with between filter element, filter element comprises organizes front and back (" front and back " direction is herein to be as the criterion shown in arrow in Fig. 6) spaced filter element 910 more, each group filter element comprises about many (" left and right " direction is herein to be as the criterion shown in arrow in Fig. 6) and is spaced and one end open, the chimney filter 911 that the other end is closed, the openend of these chimney filters 911 upwards unification is arranged on orifice plate 940, blind end is consistent down, the top of this orifice plate 940 is positioned at for being provided with the pure qi (oxygen) chamber (being namely made up of shell 920 and orifice plate 940) of exhaust outlet 921 in air film filter 900, be positioned at the open space then for outwardly opening wide below orifice plate 940, described each chimney filter 911 comprises by tube layer in porous breathable supporter 911b is formed and is attached to the external tube layer formed on described inner tube outer surface and by described filtration membrane 911a (porous breathable supporter 911b is described high density porous polyethylene supporter, filtration membrane 911a is described expanded PTFE filtration membrane), and, between any two adjacent groups filter element 910 with chimney filter 911 in filter element 910 be arranged with a cleaning fluid conveying pipeline 941 in parallel every orientation between left and right, each cleaning fluid conveying pipeline 941 is arranged at intervals with multiple atomizer 942 being positioned at also loose shape sprinkling downwards above chimney filter 911 side, the input of each cleaning fluid conveying pipeline 941 is connected with feed liquor house steward 943 respectively.In addition, as can be seen from Figure 6, between any two adjacent groups filter element 910, each chimney filter 911 wherein in one group of filter element 910 is organized with another successively before and after each chimney filter 911 in filter element 910 and is alignd, two chimney filters 911 adjacent in same filter element 910 and adjacent another are organized between two chimney filters 911 that align in filter element 910 and are arranged an atomizer 942, and the intersection point of center and this four chimney filter 911 central crossbar lines of this atomizer 942 overlaps.
Above-mentioned filter element 910 is preferably designed to monolithic construction, namely as shown in Figure 7,8, each chimney filter 911 in each filter element 910 is connected as one by the first termination connector 912 and the second termination connector 913, described first termination connector 912 be provided with respectively with the passage 912c of the openend conducting of described each chimney filter 911, like this can the convenience installed of filter element.Such as, in Fig. 7,8, the two ends of the first termination connector 912 have a breach 912b, as can be seen from Fig. 5,6, when filter element 910 is installed in air film filter 900, can by filter element 910 integral installation below orifice plate 940, thus avoid installing separately each chimney filter 911 respectively by the bolt 950 being arranged in breach 912b.In addition, the end face of the first termination connector 912 is also provided with the annular sealing strip 912a simultaneously surrounding all passage 912c, thus when sealing between the end face of the first termination connector 912 and orifice plate 940 after filter element 910 integral installation is below orifice plate 940.
The working method of the air film filter 900 shown in Fig. 4-9 is: during normal filtration, the fan operation be connected with exhaust outlet 921 thus produce filtration pressure difference in the both sides of filtering material, outside air flows inside the lateral of chimney filter 911, dust in air is filtered film 911a and tackles, filter clean air and then enter chimney filter 911 inner chamber, and discharge air film filter 900 by exhaust outlet, finally enter into the air circulation stream of air handling system, the dust tackled is attached to the surface of filtration membrane 911a; During deashing, by feed liquor house steward 943 to each cleaning fluid conveying pipeline 941 transport cleaning liquid (as running water), water sprays from each atomizer 942, then the surface of filtration membrane 911a is acted on, because face has smooth, to show as hydrophobicity feature, the water body be collected on face constantly flows downward and finally drips from chimney filter 911 after carrying the dust on face, plays deashing effect.Because water is with atomizing type ejection, on the one hand can the amount of conserving water, fierce flushing is not formed to face on the one hand, thus maintain the service life of filtering material.
The filter element that air film filter 900 as depicted in figs. 11-12 comprises shell 920 equally and is arranged in shell 920, this shell 920 is fixed on the top of a washer mounting seat 960 by support 930 entirety, filter element is between orifice plate 940 and washer mounting seat 960, shell 920 is connected by orifice plate with between filter element, filter element comprises the filter element 910 of many group time intervals arrangement, each group filter element comprises about many and is spaced and one end open, the chimney filter 911 that the other end is closed, the openend of these chimney filters 911 upwards unification is arranged on orifice plate, blind end is consistent down, the top of this orifice plate is positioned at for being provided with the pure qi (oxygen) chamber (being namely made up of shell 920 and orifice plate) of exhaust outlet 921 in air film filter 900, be positioned at the open space then for outwardly opening wide below orifice plate, described each chimney filter 911 comprises by tube layer in porous breathable supporter 911b is formed and is attached to the external tube layer formed on described inner tube outer surface and by described filtration membrane 911a (porous breathable supporter 911b is described high density porous polyethylene supporter, filtration membrane 911a is described expanded PTFE filtration membrane), the cylindrical shell 952 of one washer 950 is sleeved on shell 920, this cylindrical shell 952 is connected displacement controlling organization respectively with shell 920, this Bit andits control mechanism comprises the rack and pinion drive mechanism 970 be arranged between cylindrical shell 952 inwall and shell 920, when pneumatic filter normal filtration cylindrical shell 952 driven by rack and pinion drive mechanism 970 and on move to above filter element, when carrying out deashing to filter element, cylindrical shell 952 is driven by rack and pinion drive mechanism 970 and drops to and is connected adaptation with washer mounting seat 960 thus forms the cleaning liquid bath 951 holding filter element, cleaning liquid bath 951 connects ultrasonic generator, ultrasonic generator is arranged in washer mounting seat 960.Above-mentioned filter element 910 is designed to above-mentioned monolithic construction equally.
The working method of the air film filter 900 shown in Figure 11-12 is: during normal filtration (cylindrical shell 952 driven by rack and pinion drive mechanism 970 and on move to above filter element), the fan operation be connected with exhaust outlet 921 thus produce filtration pressure difference in the both sides of filtering material, outside air flows inside the lateral of chimney filter 911, dust in air is filtered film 911a and tackles, filter clean air and then enter chimney filter 911 inner chamber, and discharge air film filter 900 by exhaust outlet, finally enter into the air circulation stream of air handling system, the dust tackled is attached to the surface of filtration membrane 911a, during deashing, cylindrical shell 952 is driven by rack and pinion drive mechanism 970 and drops to and is connected adaptation with washer mounting seat 960 thus forms the cleaning liquid bath 951 holding filter element, in cleaning liquid bath 951, cleaning fluid (preferred water) is injected by the liquid in-out mouth 953 on cleaning liquid bath 951, then ultrasonic generator is started, thus the Ultrasonic Cleaning realized filter element, by liquid in-out mouth 953, cleaning fluid discharge (can be entered in a container and preserves after cleaning, to reuse), then cylindrical shell 952 rises, and again switches to filtration.
It should be noted that, air film filter 900 also can adopt the structure combining the spray purge mode shown in Fig. 4-9 and the Ultrasonic Cleaning mode shown in Figure 11-12.Or, a kind of filter element washer as shown in Figure 10 can be designed, there is in this washer the cleaning liquid bath 951 holding filter element, described cleaning liquid bath 951 connects ultrasonic generator, thus when needed at least one group that disassembles from the air film filter 900 shown in Fig. 4-9 all-in-one-piece filter element 910 is put into the cleaning liquid bath 951 of this filter element washer, then in cleaning liquid bath 951, cleaning fluid is injected by the liquid in-out mouth 953 on cleaning liquid bath 951, then ultrasonic generator is started, realize the Ultrasonic Cleaning to filter element, by liquid in-out mouth 953, cleaning fluid is discharged after cleaning, from cleaning liquid bath 951, take out filter element 910 and again install back air film filter 900.
Claims (9)
1. pneumatic filter, the filter element comprising shell (920) and be arranged in shell (920), described shell (920) is connected with filter element by orifice plate (940) and is formed first space and second space of separating, the transmission of gas to be filtered occurs in the first space, the transmission of filtering gas occurs in second space, it is characterized in that: the washer (950) that pneumatic filter moves relative to its filter element under being also included in the driving of Bit andits control mechanism, when pneumatic filter normal filtration, described filter element is positioned at this washer (950) outside, when carrying out Ultrasonic Cleaning to filter element, described filter element is positioned at this washer (950) inside, the cleaning liquid bath (951) holding filter element is formed in this washer (950), described cleaning liquid bath (951) connects ultrasonic generator.
2. pneumatic filter as claimed in claim 1, is characterized in that: described filter element has the filtering material be made up of high density porous polyethylene supporter and the expanded PTFE filtration membrane that is adhering closely to high density porous polyethylene supporting body surface.
3. pneumatic filter as claimed in claim 2, is characterized in that: the clearance of the filter membrane of the described expanded PTFE filtration membrane dust of particle diameter >=0.1 μm in air to be filtered reaches more than 99%.
4. pneumatic filter as claimed in claim 1, it is characterized in that: described filter element comprise many one end open and the other end close chimney filter (911), the openend of these chimney filters (911) upwards unification is arranged on orifice plate (940), blind end is consistent down, the outer surface of each chimney filter (911) is for filtering working face, the top of this orifice plate (940) is positioned at for being provided with the pure qi (oxygen) chamber of exhaust outlet (921) in pneumatic filter, be positioned at the open space of orifice plate (940) below then for outwardly opening wide, described Bit andits control mechanism is made filter element enter by driving washer (950) and the upper and lower relative motion of filter element or is shifted out washer (950).
5. pneumatic filter as claimed in claim 4, it is characterized in that: comprise washer mounting seat (960), the shell (920) of pneumatic filter is fixed on the top of this washer mounting seat (960) by support (930) entirety, filter element is positioned between orifice plate (940) and washer mounting seat (960), the cylindrical shell (952) of described washer (950) is sleeved on described shell (920), this cylindrical shell (952) is connected displacement controlling organization respectively with shell (920), when pneumatic filter normal filtration, cylindrical shell (952) move to above filter element, when carrying out deashing to filter element, cylindrical shell (952) drops to and is connected adaptive with washer mounting seat (960) thus forms the cleaning liquid bath (951) holding filter element.
6. pneumatic filter as claimed in claim 5, is characterized in that: described ultrasonic generator is arranged in washer mounting seat (960).
7. the pneumatic filter as described in claim 5 or 6, is characterized in that: described Bit andits control mechanism comprises the rack and pinion drive mechanism (970) be arranged between cylindrical shell (952) inwall and shell (920).
8. the filter element washer of pneumatic filter, is characterized in that: have the cleaning liquid bath (951) holding filter element in this washer, and described cleaning liquid bath (951) connects ultrasonic generator; Described filter element has the filtering material be made up of high density porous polyethylene supporter and the expanded PTFE filtration membrane that is adhering closely to high density porous polyethylene supporting body surface.
9. the filter element washer of pneumatic filter as claimed in claim 8, it is characterized in that: the open ended filter element of described cleaning liquid bath (951) is at least one group of all-in-one-piece filter element (910), this filter element (910) comprises many spaced chimney filters (911), and described each chimney filter (911) is connected as one by the first termination connector (912) and the second termination connector (913); Described first termination connector (912) be provided with respectively with the passage (912c) of the openend conducting of described each chimney filter (911).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191303.1U CN204051300U (en) | 2014-04-16 | 2014-04-16 | The filter element washer of pneumatic filter and pneumatic filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191303.1U CN204051300U (en) | 2014-04-16 | 2014-04-16 | The filter element washer of pneumatic filter and pneumatic filter |
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| Publication Number | Publication Date |
|---|---|
| CN204051300U true CN204051300U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420191303.1U Expired - Lifetime CN204051300U (en) | 2014-04-16 | 2014-04-16 | The filter element washer of pneumatic filter and pneumatic filter |
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| CN (1) | CN204051300U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899304A (en) * | 2017-11-03 | 2018-04-13 | 宁波行瑞汽车尾气监测有限公司 | A kind of DPF cleaning plants based on ultrasonic cleaning |
| CN110665300A (en) * | 2019-11-06 | 2020-01-10 | 上海蓝科石化环保科技股份有限公司 | Continuous gas-solid filtering device and process |
| CN113731040A (en) * | 2020-01-18 | 2021-12-03 | 王和 | Air filter bottle of medical atomizing self-cleaning filter screen |
-
2014
- 2014-04-16 CN CN201420191303.1U patent/CN204051300U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899304A (en) * | 2017-11-03 | 2018-04-13 | 宁波行瑞汽车尾气监测有限公司 | A kind of DPF cleaning plants based on ultrasonic cleaning |
| CN107899304B (en) * | 2017-11-03 | 2023-11-24 | 国网山东省电力公司威海供电公司 | DPF cleaning method based on ultrasonic cleaning |
| CN110665300A (en) * | 2019-11-06 | 2020-01-10 | 上海蓝科石化环保科技股份有限公司 | Continuous gas-solid filtering device and process |
| CN113731040A (en) * | 2020-01-18 | 2021-12-03 | 王和 | Air filter bottle of medical atomizing self-cleaning filter screen |
| CN113731040B (en) * | 2020-01-18 | 2022-09-27 | 张昕 | Air filter bottle of medical atomizing self-cleaning filter screen |
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