CN107754531A - For air purifier with the first level filtering device for intercepting filter screen - Google Patents
For air purifier with the first level filtering device for intercepting filter screen Download PDFInfo
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- CN107754531A CN107754531A CN201711094550.4A CN201711094550A CN107754531A CN 107754531 A CN107754531 A CN 107754531A CN 201711094550 A CN201711094550 A CN 201711094550A CN 107754531 A CN107754531 A CN 107754531A
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- filtering device
- wet tank
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- 239000013618 particulate matter Substances 0.000 abstract description 23
- 239000012535 impurity Substances 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000007789 gas Substances 0.000 description 14
- 238000004140 cleaning Methods 0.000 description 12
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Particles Using Liquids (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of first level filtering device with interception filter screen for air purifier, the air purifier is included for various concentrations, the Multistage filtering device of variable grain thing size, wherein, first level filtering device includes closed wet tank and airway tube；The liquid that can dissolve or wash away particulate matter is loaded with the wet tank, the airway tube inlet end is located at outside wet tank, outlet side is inserted under the liquid level of wet tank, interception filter screen is additionally provided between outlet side and liquid level, from the air that outlet side is escaped and enter into liquid when by intercepting filter screen, the excessive particulate matter in the part that wherein carries is blocked, and the interception filter screen has multilayer, enables to almost all of bulky grain to be all blocked under liquid level；Air is broken up, fully contacted with liquid with less bubble form, the impurity carried in air is taken away by liquid when by intercepting filter screen.
Description
Technical field
The present invention relates to a kind of air cleaning facility, and the air purifier of dedusting is carried out especially by liquid, specific next
Say and be related to for a kind of air purifier with the first level filtering device for intercepting filter screen.
Background technology
Substantial amounts of dust and dust can be mixed into the industries such as steel, thermal power generation, cement, mining, in air, if not
It is directly discharged to through processing in air, air pollution can be further exacerbated by；With continuous improvement of the country to environmental requirement, environmental protection
Policy is increasingly severe, and each manufacturer all pays much attention to environmental protection, is handled pollution waste gas using substantial amounts of cleaner, is controlled
Post dust is managed, most common of which dedusting method is bag-type dust,
However, bag-type dust, because own structural characteristics determine that it necessarily has some defects, cloth bag volume is larger,
Under the higher gas shock of temperature, the situation of discontinuity equalization is certainly existed, so as to cause cloth bag damage speed higher, Er Qiegeng
It is comparatively laborious to change maintenance process, so in fact many manufacturers all work in the case where dust removal by filtration equipment is impaired, directly
To green audit next time, although way remains to be discussed, its difficulty faced is it will be apparent that mainly repair and replacement
Financial cost and time cost it is too high, general enterprises are difficult to bear, therefore, inventor wishes to design a kind of brand-new dedusting
Cleaning equipment, the defects of to overcome existing dust separation device；
Found by research, filter structure can be with the particulate matter in adsorbed gas, and solution or common water are also can be with
The particulate matter carried in air is left by way of dissolving or washing away；It is incorporated into when the air containing particulate matter in water
When, air is so that existing for larger bubble form, smaller with the contact area of solution or water, time of contact is shorter, air
The particulate matter of middle carrying can seldom be dissolved or be washed away by solution/water, so how to cause air in the form of minute bubbles and solution
Or water contact is to restrict the key factor of cleaner success or not in this；
For these reasons, the present inventor has done many further investigations to the specific configuration of air purifier, so as to
Design a kind of new air purifier that can solve the problem that above mentioned problem.
The content of the invention
In order to overcome above mentioned problem, present inventor has performed studying with keen determination, a kind of air purifier is designed, the air is net
Changing device is included for various concentrations, the Multistage filtering device of variable grain thing size, wherein, first level filtering device includes closed
Wet tank and airway tube；The liquid that can dissolve or wash away particulate matter is loaded with the wet tank, the airway tube enters
Gas end is located at outside wet tank, and outlet side is inserted under the liquid level of wet tank, is additionally provided between outlet side and liquid level
Filter screen is intercepted, from the air that outlet side is escaped and enter into liquid when by intercepting filter screen, wherein the part carried is excessive
Particulate matter be blocked, it is described interception filter screen have multilayer, enable to almost all of bulky grain to be all blocked on liquid level
Under；Air is broken up when by intercepting filter screen, is fully contacted with liquid with less bubble form, carried in air
Impurity is taken away by liquid, so as to complete the present invention.
In particular it is object of the present invention to provide a kind of one-level mistake with interception filter screen for air purifier
Device is filtered, the device includes closed wet tank 1 and airway tube 2；
Liquid is loaded with the wet tank 1,
The inlet end of airway tube 2 is located at outside wet tank 1,
The outlet side of airway tube 2 is inserted into below the liquid level of liquid 3 in wet tank 1,
It is provided between the outlet side of airway tube 2 and the liquid level and intercepts filter screen 4.
Wherein, air to be clean is introduced by the inlet end of airway tube 2,
Air to be clean is injected into the liquid for intercepting the lower section of filter screen 4 by the outlet side of airway tube 2；
The particle carried in air to be clean is filtered/obstructs by intercepting filter screen 4,
Also the air to be clean is broken up as tiny bubble by the interception filter screen 4.
Wherein, at least two layers interception filter screen 4 is provided between the outlet side of airway tube 2 and the liquid level,
Preset distance is left between each interception filter screen 4.
Wherein, the filter eye aperture size for intercepting filter screen 4 is 30~60 microns；
Preferably, lower floor intercepts filter eyelet footpath chi of the filter eye aperture size more than or equal to upper strata interception filter screen of filter screen
It is very little.
Wherein, above the outlet side of airway tube 2, inverted cone-shaped point is provided between the tier-framework building filter screen 4
Flow block 5；Or
Above the outlet side of airway tube 2, inverted cone-shaped branching block 5 is provided with below the interception filter screen 4.
Wherein, it is in dome type that the interception filter screen 4 is overall.
Wherein, the annulus 6 being connected with the interception filter screen 4 is provided with the edge of at least one interception filter screen 4,
Predetermined gap is left between at least one annulus 6 and wet tank 1 inwall.
Wherein, at least two connecting elements 7 being connected with annulus 6 are provided with the inwall of wet tank 1.
Wherein, the annular gear extended downwardly from is provided with the annulus 6 for leaving predetermined gap between the inwall of wet tank 1
Piece 8,
Preferably, the annular catch 8 is increasingly towards outer expansion from top to bottom.
Wherein, the connecting elements 7 is connected by annular catch 8 with annulus 6.
Beneficial effect includes possessed by the present invention：
(1) it is described according to the first level filtering device weight with interception filter screen provided by the present invention for air purifier
Intercept filter screen to be arranged between outlet side and liquid level, the air come out from outlet side is during liquid level is moved upward to, quilt
The interception filter screen is divided into multiple intensive bubbles, is allowed to fully contact with liquid, so as to filter out the particulate matter in air；
(2) have according to provided by the present invention for air purifier with filter screen in the first level filtering device for intercepting filter screen
It is multiple, repeatedly air can be broken up as tiny bubble, and filter out the larger particles carried in air.
Brief description of the drawings
Fig. 1 shows one with interception filter screen for being used for air purifier according to a kind of preferred embodiment of the present invention
Level filter overall structure diagram；
Fig. 2 shows one with interception filter screen for being used for air purifier according to a kind of preferred embodiment of the present invention
Branching block and segmentation plate structure schematic diagram thereon in level filter；
Fig. 3 shows one with interception filter screen for being used for air purifier according to a kind of preferred embodiment of the present invention
Filter screen and the thereon structural representation of annulus are intercepted in level filter；
Fig. 4 shows to intercept filter screen according to the carrying for air purifier that be used for of another preferred embodiment of the invention
First level filtering device in structural representation when annular catch is set；
Fig. 5 shows the structural representation that the airway tube is extend into wet tank by wet tank bottom；
Fig. 6 is shown according to a kind of first level filtering device of preferred embodiment of the present invention and pretreatment unit overall structure
Schematic diagram；
Fig. 7 shows with two-stage filter overall structure to be shown according to a kind of first level filtering device of preferred embodiment of the present invention
It is intended to.
Drawing reference numeral explanation：
1- wet tanks
2- airway tubes
3- liquid
4- intercepts filter screen
5- branching blocks
51- fragmenting plates
6- annulus
7- connecting elements
8- annular catch
91- air inlets
92- air outlets
93- cleaning liquids
94- gas flows
95- deflection plates
The upper deflection plates of 951-
Deflection plate under 952-
953- rebounds
96- inlets
97- liquid outlets
98- water pumps
99- nozzles
910- air vents
10- two-stage filters
11- escape pipes
12- isolates oil reservoir
Embodiment
Below by drawings and examples, the present invention is described in more detail.Pass through these explanations, the features of the present invention
It will be become more apparent from clearly with advantage.
Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings
In terms of kind, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
According to a kind of first level filtering device with interception filter screen for air purifier provided by the invention, the sky
Gas purifier includes being arranged in series for various concentrations, the Multistage filtering device of variable grain thing size, Multistage filtering device, also
It is provided with the power set that at least one air pump etc. promotes air flow；Wherein, for air purifier with interception filter screen
First level filtering device, as shown in Figure 1, Figure 2 with shown in Fig. 3, the device includes closed wet tank 1 and airway tube 2；
Liquid is loaded with the wet tank 1, the liquid can dissolve or wash away the impurity in air, such as particulate matter
Deng, the liquid is preferably the aqueous solution, wherein can adulterate respective substance according to the composition of air to be clean is configured to solution, such as acid
Property solution, alkaline solution etc.；Some can dissolve the impurity carried in air in the liquid such as water, also there is one
It is undissolvable such as tiny dust granule to divide, and the undissolvable particle can form suspension in the solution such as water,
And as liquid flows, i.e., washed away by water/liquid, heretofore described dissolving had both included the dissolving on ordinary meaning, also included
The situation of above-mentioned formation suspension.
Described one end of airway tube 2 is inlet end, outside wet tank 1,
The other end of airway tube 2 is outlet side, is inserted into below the liquid level of wet tank 1, by airway tube to liquid
To be filtered/purification air is injected in storage tank, is moved to after being contacted with liquid at the top of wet tank, meanwhile, stored up in the liquid
Tank top is provided with exhaust outlet, the air from liquid out is directed in other filters；
The airway tube 2 can be extend into wet tank 1 as shown in Fig. 1, Fig. 4 by the sidepiece of wet tank 1, can be with
It is extend into as shown in Figure 5 by the bottom of wet tank 1 in wet tank 1, or even liquid can also be extend into by the top of wet tank 1
In body storage tank 1.
It is provided between the outlet side of airway tube 2 and the liquid level and intercepts filter screen 4；
The interception filter screen is covered in the surface of outlet side, preferably.The interception filter screen can at least cover wet tank
More than the 90% of section；
In one preferred embodiment, air to be clean is introduced by the inlet end of airway tube 2,
The particle carried in air to be clean is filtered by intercepting filter screen 4, prevents particle from being continued up by intercepting filter screen 4
It is mobile；It is certain wherein to intercept the aperture size of filter screen, the larger bulky grain thing of filter sizes, the bulky grain thing quilt can only be obstructed
After intercepting filter screen interception, in the presence of air-flow, moved along filter screen is intercepted to both sides towards the wall of wet tank；Finally
Reach the bottom of wet tank；
In the present invention, bulky grain thing refers to the particulate matter that can be obstructed by the interception filter screen, so bulky grain thing is specific
Size is related to the aperture size/mesh number for intercepting filter screen；
In the present invention, as shown in figs. 1 and 4, it is provided with least between the outlet side of airway tube 2 and the liquid level
Two layers of interception filter screen 4,
Preset distance is left between each interception filter screen 4.
In one preferred embodiment, as shown in fig. 1, also by the filter screen 4 that intercepts by the sky to be clean
Gas is broken up as tiny bubble.Air is divided into multiple small bubbles naturally when by intercepting filter screen, gradual with bubble
Rise, part bubble may regroup together, and the interception filter screen has multiple, to be formed because regrouping air pockets
Continue to be divided into multiple small bubbles by other interception filter screen, it can be ensured that air fully contacts with liquid；So that
Obtain the impurity such as the particulate matter carried in air also fully to contact with liquid, the impurity such as described particulate matter therein is dissolved by liquid
Or wash away；
In one preferred embodiment, as shown in Figure 3, the filter eye aperture size for intercepting filter screen 4 for 30~
60 microns, preferably 40~50 microns；The mesh number for intercepting filter screen is 220-440；
Preferably, the interception filter screen can be made up of materials such as fine denier nylons；
Preferably, lower floor intercepts filter eyelet footpath chi of the filter eye aperture size more than or equal to upper strata interception filter screen of filter screen
It is very little.
In one preferred embodiment, as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, inside the wet tank,
Above the outlet side of airway tube 2, inverted cone-shaped branching block 5 is provided between the tier-framework building filter screen 4, it is preferable that should
The lower section of branching block 5 only one layer of interception filter screen；Or
Inside the wet tank, above the outlet side of airway tube 2, it is provided with below the interception filter screen 4
Inverted cone-shaped branching block 5, i.e., described branching block 5 is close to outlet side.
The cone point of the branching block 5 down, is separated big bubble by the branching block 5, in order to filter screen
Continue split, further, since outlet side come out air velocity it is larger, with larger impulsive force, the branching block is located at gas
Stream must be through on path, and be fixedly secured, impulsive force can be slowed down, reduce the possibility for intercepting filter screen damage, extended
Intercept the working life of filter screen；
Preferably, as shown in Figures 1 and 2, the phase of demarcation strip 51 is passed through between the branching block 5 and the inwall of wet tank
Even, the demarcation strip 51 is offset flat shape straight panel, is preferably made up of metal or duroplasts material, the demarcation strip 51 have it is multiple,
Such as 2,3,5,8, the multiple demarcation strip 51 is distributed on around branching block 5, and multiple demarcation strips 51 can also incite somebody to action
Bubble partition is into different regions, and reduction bubble, which is connected to each other, is combined into the possibility of air pocket, and reduction is moved to interception filter screen
The air pocket quantity at place.
In one preferred embodiment, as shown in figs. 1 and 4, it is in dome type that the interception filter screen 4 is overall, i.e.,
The middle part of interception filter screen is slightly protruding upward, and such special construction can make it that the contact area of bubble and filter screen is bigger, filtering
It is better with segmentation bubble, in addition, for having passed through partial interception filter screen, but the final particulate matter being still blocked,
Under the percussions such as air-flow, it can be moved towards the wall of wet tank, the interception filter screen of the dome type can promote/be easy to
The lateral flow of particulate matter；
In addition, the interception filter screen is soft material in itself, the bossing of its formed cheese upward still down,
The force direction in the external world is depended primarily on, so when needing to clean the interception filter screen, is alternately noted from upper and lower both direction
Water or gas injection, enable to intercept filter screen itself fluctuation up and down, so as to improve cleaning efficiency, so the interception filter screen is set
The cleaning of filter screen can also be easy to intercept into cheese.
In one preferred embodiment, as shown in Figure 1 and Figure 3, set in the edge of at least one interception filter screen 4
The annulus 6 being connected with the interception filter screen 4 is equipped with, by intercepting filter screen described in the stretching of annulus 6, can be convenient to intercept filter screen
Fixed installation；Preferably, the annulus 6 being connected with the interception filter screen 4 is provided with the edge of each interception filter screen 4.
Few that predetermined gap is left between an annulus 6 and the inwall of wet tank 1, i.e. interception filter screen on the annulus 6 does not have
Cut-off wet tank completely, the edge that wall is pressed close in wet tank can allow for bulky grain thing to slide downwards；
Preferably, at least two connecting elements being connected with annulus 6 are provided with the inwall of wet tank 1, it is described
Connecting elements is distributed on around annulus, make it that distribution of forces is balanced, Stability Analysis of Structures；
When the annulus all leaves predetermined gap between wet tank, the connecting elements 7 is cotton rope or connecting rod,
When the annulus and interception filter screen all directly contact with wet tank, the connecting elements 7 could be arranged to lock or can
Neck of fastening etc..
The particular number of the connecting elements 7 can determine according to actual conditions, can ensure enough active forces；
In one preferred embodiment, as shown in Figure 4, left between the inwall of wet tank 1 it is predetermined between
The annular catch 8 extended downwardly from is provided with the annulus 6 of gap, it is preferable that the annular catch 8 is increasingly towards outer from top to bottom
Expansion；The annular catch can stop bubble, prevent bubble from being overflowed upwards from filter cloth edge is intercepted, can also be to moving down
Dynamic bulky grain thing provides flow channel.
In the application preferably, as shown in Figure 4, the top intercept filter screen by annulus directly with wet tank
Wall contacts, and does not have supplied gas between the interception filter screen and wet tank inwall or space that liquid passes through, other it under intercept
Filter screen and annulus thereon all leave predetermined gap between wet tank.
In addition, annulus on the interception filter screen of the top or be integral with wet tank.
In one preferred embodiment, as shown in Figure 6,
The inlet end of airway tube 2 outside wet tank 1 is connected with pretreatment unit, that is, passes through the airway tube
2 air entered in wet tank 1 will first pass through pretreatment in advance, be pre-processed by pretreatment unit, reduce in air
The concentration of the impurity such as particulate matter；
Specifically, the pretreatment unit includes plenum, and the housing is preferably rectangular shape,
Air inlet 91 is offered on the left side wall of the plenum,
Air outlet 92, the air inlet of the air outlet 92 and airway tube 2 are offered on the right side wall of the plenum
End is connected, that is, the air for entering airway tube 2 is discharged again from air outlet after entering plenum by air inlet.
In the present invention, the orientation or position of the instruction such as term " on ", " under ", "left", "right", "front", "rear", " interior ", " outer "
It is based on the orientation or position relationship under working condition of the present invention to put relation, is for only for ease of the description present invention and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention；As shown in Figure 5, the opening in left side is air inlet 91 in the figure, phase
The opening on right side be air outlet 92 in Ying Di, Fig. 5, is fore-and-aft direction perpendicular to the direction of paper, in figure above be top, under
Side is bottom.
As shown in Figure 5, cleaning liquid 93 is loaded with the plenum lower inside, the cleaning liquid 93
Ullage is gas flow 94, and the cleaning liquid is preferably water；
Deflector 95 is additionally provided with inside the plenum, gas is entered from air inlet 91 by deflection plate 95
Air in body runner 94 is discharged after crooked route from air outlet 92.The crooked route, it is continuous as shown in Figure 6
The class S types of bending or waveform path；
In one preferred embodiment, as shown in Figure 6, the deflection plate 95 includes upper deflection plate 951 and lower folding
Flowing plate 952,
Wherein, upper deflection plate 951 seals with the top wall in the plenum, front side wall and rear side wall respectively
Connection；
Lower deflection plate 952 is tightly connected with the front side wall in the plenum and rear side wall respectively.
Preferably, the bottom of the upper deflection plate 951 is located at ullage, and in the lower section of air inlet 91.
Preferably, the top of the lower deflection plate 952 is located on the bottom of upper deflection plate 951, and the lower deflection plate
Pre- fixed gap is left between top wall in 952 top and plenum；
The bottom of the lower deflection plate 952 is located under liquid level, and the bottom of the lower deflection plate 952 and plenum
Pre- fixed gap is left between interior bottom wall, to allow liquid to flow.
In one preferred embodiment, as shown in Figure 6, the upper deflection plate 951 and lower deflection plate 952 are all perpendicular
It is straight to set,
Two pieces of deflection plates of arbitrary neighborhood include a upper deflection plate 951 and a lower deflection plate 952.I.e. upper deflection plate
It is arranged alternately with lower deflection plate, apart from one another by；
Preferably, the deflection plate for closing on air inlet 91 is upper deflection plate 951.
Preferably, on described the top of deflection plate 951 be provided with two sections be in arc-shaped rebound 953, it is described on
Deflection plate 951 is tightly connected by the top wall in the rebound 953 and the plenum.The rebound 953 is located at
Corner in gas flow 94, in the flow process of air, wherein the particulate matter carried easily touches the transition
Plate, and be attached on rebound, because rebound is in arc-shaped, the particulate matter adhered to thereon slides readily along rebound 953,
Finally fall into cleaning liquid 93；
In one preferred embodiment, inlet 96 is offered on the right side wall of the plenum, in institute
State and liquid outlet 97 offered on the left side wall of plenum, the inlet 96 and liquid outlet 97 all with the cleaning liquid
93 are connected, and the cleaning liquid 93 flows from right to left inside the plenum.
Preferably, water pump 98 is additionally provided with outside the plenum,
The inlet 96 is connected by pipeline with water pump 98.
It is further preferred that as shown in Figure 6, inlet 96 and liquid outlet 97 are all connected by pipeline with water pump 98,
The equipment such as water tank/pond are also associated with the pipeline, for storing, handling the liquid containing impurity such as particulate matters, and/or are
The device provides new clean liquid.
In one preferred embodiment, as shown in Figure 6, it is provided with the top wall in the plenum
Nozzle 99,
By the nozzle 99 to the air-atomizing entered via air inlet 91 in gas flow 94 to increase the sky
The weight of impurity is carried in gas, and then causes the impurity directly falls in solution 93 or fallen to be pooled to again on deflection plate 95
In solution 93.
In a preferred embodiment, as shown in Figure 5, the nozzle 99 has multiple, baffling on each
The both sides of plate 951 are both provided with nozzle 99, and the fluid flow in the nozzle is adjustable, when its flow is smaller, spray
Be water smoke, air wetting can be given so that particulate matter thereon be easier adhere to or landing, when its flow tunes up, spray
Be current, and be high-velocity flow, deflection plate can be washed away so that the particulate matter adsorbed on deflection plate is impacted lower section
In cleaning liquid 93；
Preferably, the air inlet and air outlet are all closed；It is provided with the air inlet and/or air outlet
Baffle door to be opened/closed, valve is provided with the airway tube that the air inlet and/or air outlet connect；
Closeable air vent 910 is offered on the top wall of the plenum, when the air inlet and air-out
After mouth is all closed, air vent 910 is opened, turns off pipeline corresponding to liquid outlet 97, the water filling into plenum, base by water pump
Originally the plenum can be filled, so as to thoroughly wash off the impurity such as the particulate matter being attached on the components such as deflection plate.
In one preferred embodiment, as shown in Figure 7, at the top of the wet tank 1, on the liquid level
Side is provided with escape pipe 11, and the air handled through wet tank 1 is discharged by the escape pipe 11, the escape pipe 11 and two level mistake
Filter device is connected, i.e., the described air handled via wet tank 1 is also needed to after two-stage filter 10 further processing
It can just be discharged into air；
Wherein, it is loaded with the two-stage filter 10 and identical liquid in wet tank, the escape pipe 11
It is inserted into the liquid in two-stage filter 10,
In the two-stage filter 10, floating, which has, above the liquid isolates oil reservoir 12；
The isolation oil reservoir 12 has one or more layers；
The liquid level thickness of the isolation oil reservoir 12 is 10~30mm；
It is described isolation oil reservoir density be less than liquid density, it is described isolation oil reservoir can be selected not volatile, nonhazardous and
Organic solution not soluble in water is made.
Preferably, by the isolation sealing liquid of oil reservoir 12, liquid is prevented to be connect with the air in two-stage filter 10
Touch；So as to prevent bubble by taking the impurity such as particulate matter suspended in liquid out of during dissolving top surface, even if there is partial particulate thing
It is brought into isolation oil reservoir, because the density for isolating oil reservoir is smaller, particulate matter quickly can be fallen after rise into liquid.
Above in association with preferred embodiment, the present invention is described, but these embodiments are only exemplary
, only play illustrative effect.On this basis, a variety of replacements and improvement can be carried out to the present invention, these each fall within this
In the protection domain of invention.
Claims (10)
1. a kind of first level filtering device with interception filter screen for air purifier, it is characterised in that the device includes close
The wet tank (1) and airway tube (2) closed；
Liquid is loaded with the wet tank (1),
Airway tube (2) inlet end is located at wet tank (1) outside,
Airway tube (2) outlet side is inserted into below the liquid level of liquid (3) in wet tank (1),
It is provided between the airway tube (2) outlet side and the liquid level and intercepts filter screen (4).
2. first level filtering device according to claim 1, it is characterised in that
Air to be clean is introduced by the inlet end of airway tube (2),
Air to be clean is injected into the liquid intercepted below filter screen (4) by the outlet side of airway tube (2)；
By intercepting the particle carried in filter screen (4) filtering/barrier air to be clean, also by the filter screen (4) that intercepts by institute
Air to be clean is stated to break up as tiny bubble.
3. first level filtering device according to claim 1, it is characterised in that
At least two layers is provided between the airway tube (2) outlet side and the liquid level and intercepts filter screen (4),
Preset distance is left between each interception filter screen (4).
4. first level filtering device according to claim 3, it is characterised in that
The filter eye aperture size for intercepting filter screen (4) is 30~60 microns；
Preferably, lower floor intercepts filter eye aperture size of the filter eye aperture size more than or equal to upper strata interception filter screen of filter screen.
5. first level filtering device according to claim 3, it is characterised in that
Above the airway tube (2) outlet side, inverted cone-shaped branching block is provided between the tier-framework building filter screen (4)
(5)；Or
Above the airway tube (2) outlet side, inverted cone-shaped branching block (5) is provided with below the interception filter screen (4).
6. first level filtering device according to claim 1, it is characterised in that
The overall interception filter screen (4) is in dome type.
7. first level filtering device according to claim 1, it is characterised in that
The annulus (6) being connected with the interception filter screen (4) is provided with the edge of at least one interception filter screen (4),
Predetermined gap is left between at least one annulus (6) and wet tank (1) inwall.
8. first level filtering device according to claim 7, it is characterised in that
At least two connecting elements (7) being connected with annulus (6) are provided with the wet tank (1) inwall.
9. first level filtering device according to claim 7, it is characterised in that
The annular catch extended downwardly from is provided with the annulus (6) for leaving predetermined gap between wet tank (1) inwall
(8),
Preferably, the annular catch 8 is increasingly towards outer expansion from top to bottom.
10. according to the first level filtering device described in one of claim 7-9, it is characterised in that
The connecting elements (7) is connected by annular catch (8) with annulus (6).
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| CN201711094550.4A CN107754531B (en) | 2017-11-09 | 2017-11-09 | Primary filter device with interception filter screen for air purifier |
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| CN201711094550.4A CN107754531B (en) | 2017-11-09 | 2017-11-09 | Primary filter device with interception filter screen for air purifier |
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| CN107754531B (en) | 2024-04-09 |
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