CN107626180A - First level filtering device for air purifier - Google Patents

Abstract

The invention discloses a kind of first level filtering device 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, the other end is inserted under the liquid level of wet tank, below the liquid level, the air outlet section towards oblique upper extension is provided with the airway tube, filter screen is provided with the mouth of pipe of the air outlet section, air containing particulate matter enters from inlet end, escaped and enter from the mouth of pipe of air outlet section into liquid, wherein, when by filter screen, excessive particulate matter is blocked and from airway tube lower end influent tank bottom, air is entered in liquid in the presence of filter screen with less bubble form, fully contacted with liquid, sufficient purifying and dedusting.

Description

First level filtering device for air purifier

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 a kind of first level filtering device for air purifier.

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 the other end is inserted under the liquid level of wet tank, below the liquid level, in the airway tube On be provided with towards oblique upper extension air outlet section, be provided with filter screen at the mouth of pipe of the air outlet section, the air containing particulate matter Enter from inlet end, escaped and enter from the mouth of pipe of air outlet section into liquid, wherein, when by filter screen, excessive particulate matter It is blocked and is entered from airway tube lower end influent tank bottom, air in the presence of filter screen with less bubble form Enter into liquid, fully contacted with liquid, so as to complete the present invention.

In particular it is object of the present invention to provide a kind of first level filtering device for air purifier, the device Including closed wet tank 1 and airway tube 2；

Liquid is loaded with the wet tank 1,

Described one end of airway tube 2 is inlet end, outside wet tank 1,

The other end of airway tube 2 is inserted into below the liquid level of wet tank 1,

Below the liquid level, the air outlet section 3 stretched out towards oblique upper is provided with the airway tube 1,

Filter screen 4 is provided with the outlet mouth of pipe of the air outlet section 3.

Wherein, 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 filter screen 4, prevents particle from being entered by air outlet section 3 in liquid.

Wherein, also the air to be clean is broken up as tiny bubble by the filter screen 4.

Wherein, more than 2 air outlet sections 3 are set on the airway tube 1,

Outlet mouth of pipe present position highly maintains an equal level in each air outlet section 3.

Wherein, shape, the size of each air outlet section 3 are all consistent.

Wherein, more than 2 air outlet sections 3 are evenly distributed on around airway tube 2.

Wherein, the filter eye aperture size of the filter screen 4 is 20~50 microns.

Wherein, the airway tube 2 is in another end opening below liquid level, and the other end is located under air outlet section 3 Side；

Particle in airway tube 2 is obstructed by the filter screen 4, is slid downwardly into airway tube along the air outlet section, and pass through institute State the other end and enter the bottom of wet tank 1.

Wherein, the stretching direction of the air outlet section 3 and the angle of vertical direction are 20~40 degree.

Wherein, in the air outlet section 3, inlet 5 is offered below the mouth of pipe.

Beneficial effect includes possessed by the present invention：

(1) there is filter screen according to provided by the present invention for the first level filtering device of air purifier, can containing The air of grain thing is divided into multiple intensive bubbles, is fully contacted with liquid, so as to filter out the particulate matter in air；

(2) going out towards oblique upper extension is had according to the first level filtering device provided by the present invention for air purifier Gas section, air along air outlet section obliquely upward to moving, after bulky grain thing therein is intercepted by filter screen, along the slope of air outlet section Scroll down through, the bottom of wet tank is finally entered along airway tube.

Brief description of the drawings

Fig. 1 shows integrally to be tied according to a kind of first level filtering device for air purifier of preferred embodiment of the present invention Structure schematic diagram；

Fig. 2 is shown according to a kind of outlet of the first level filtering device for air purifier of preferred embodiment of the present invention Section and its partial enlarged drawing of structure, and Fig. 1 partial enlarged drawing nearby；

Fig. 3 is shown according to filter screen in a kind of first level filtering device for air purifier of preferred embodiment of the present invention Schematic diagram；

Fig. 4 is shown according to filter screen in a kind of first level filtering device for air purifier of preferred embodiment of the present invention The schematic diagram of generally vertical setting；

Fig. 5 is shown according to filter screen in a kind of first level filtering device for air purifier of preferred embodiment of the present invention Substantially horizontally disposed schematic diagram；

Fig. 6 shows with pretreatment unit 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；

Fig. 7 is shown according to a kind of first level filtering device of preferred embodiment of the present invention and two-stage filter overall structure Schematic diagram.

Drawing reference numeral explanation：

1- wet tanks

11- escape pipes

2- airway tubes

3- air outlet sections

4- filter screens

5- inlets

61- air inlets

62- air outlets

63- cleaning liquids

64- gas flows

65- deflection plates

The upper deflection plates of 651-

Deflection plate under 652-

653- rebounds

66- inlets

67- liquid outlets

68- water pumps

69- nozzles

610- air vents

7- two-stage filters

8- isolates oil reservoir

9- cylindrical filter screens

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 for air purifier provided by the invention, the air purifier includes pin To various concentrations, the Multistage filtering device of variable grain thing size, Multistage filtering device is arranged in series, is additionally provided with least one Air pump etc. promotes the power set of air flow；Wherein, the first level filtering device for air purifier, as shown in Figure 1, Figure 2 and Fig. 3 Shown in, 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 inserted into below the liquid level of wet tank 1, is injected by airway tube into wet tank To be filtered/purification air, is moved at the top of wet tank after being contacted with liquid, meanwhile, set at the top of the wet tank There is exhaust outlet, the air from liquid out is directed in other filters；

Below the liquid level, the air outlet section 3 stretched out towards oblique upper is provided with the airway tube 1, in of the invention, Direction straight up is top, and oblique upper is referred to as with direction of the top direction angle angle less than 90 degree；Institute It is straight-tube shape to state air outlet section；

Filter screen 4 is provided with the outlet mouth of pipe of the air outlet section 3.The filter screen covers whole nozzle position, each outlet 3 all one end of section are connected with airway tube, and the other end is the mouth of pipe, and all air come out from the mouth of pipe must all pass through filter screen；

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 filter screen 4, prevents particle from being entered by air outlet section 3 in liquid； The aperture size of wherein filter screen is certain, can only obstruct the larger bulky grain thing of filter sizes, and the bulky grain thing is intercepted by filter screen Afterwards, scroll down through/slide along the slope of air outlet section, be precisely towards obliquely downward to roll/slide, finally slip over outlet Section 3, enters airway tube, continues to move downward along airway tube, enter the bottom of wet tank；

In the present invention, bulky grain thing refers to the particulate matter that can be obstructed by the filter screen, so the specific size of bulky grain thing It is related to aperture size/mesh number of filter screen；

Preferably, as shown in Figure 1, Figure 2 with shown in Fig. 3, the airway tube 2 is located at another end opening below liquid level, and The other end is located at the lower section of air outlet section 3；The particle in airway tube 2 is obstructed by the filter screen 4 to enter by the other end The bottom of wet tank 1.Because airway tube has certain length under liquid level, air outlet section is exported apart from another end opening of airway tube With preset distance, so a large amount of bubbles for exporting out from air outlet section will not contact with the bulky grain thing of the bottom of wet tank 1, The bulky grain thing directly can be put away from bottom as liquid flows；

In further preferred embodiment, as shown in Figure 2, in the air outlet section 3, opened below the mouth of pipe Provided with inlet 5.Inlet 5 is located at the lower section of the upper orifice of air outlet section 3, and its levels pressure is more than the pressure at the mouth of pipe, airway tube In gas all escaped and enter from the mouth of pipe into liquid, will not be discharged at inlet 5, so the liquid in wet tank can To be entered from inlet 5 in air outlet section 3, the bulky grain thing obstructed in air outlet section 3 by filter screen is washed away, accelerates bulky grain thing and enters Enter the speed to the bottom of wet tank 1.

In one preferred embodiment, as shown in Fig. 2, Fig. 3, also by the filter screen 4 by the sky to be clean Gas is broken up as tiny bubble.The filter screen is located at the outermost of the mouth of pipe of air outlet section 3, is simultaneously directly in contact with liquid, filtered The air of net is divided into multiple small bubbles, when multiple small bubbles not yet are in time for accumulating air pocket again just and liquid Body contacts, so that the impurity such as particulate matter carried in air also fully contacts with liquid, described particulate matter therein etc. Impurity is dissolved or washed away by liquid；

In one preferred embodiment, shown in as shown in Figure 1, Figure 2, more than 2 outlets are set on the airway tube 1 Section, i.e., described air outlet section 3 have multiple, and each outlet mouth of pipe present position of air outlet section 3 is highly fair, to ensure in each air outlet section Pressure value it is equal, can be used to be vented；

In one preferred embodiment, shown in as shown in Figure 1, Figure 2, shape, the size of each air outlet section 3 are consistent, Liquid level where thereby further ensuring that each 3 upper filter screen of air outlet section 4 is consistent.

Preferably described air outlet section has 3-6 in the present invention, it is further preferred that the multiple air outlet section 3 is uniformly distributed Around airway tube 2.

In one preferred embodiment, as shown in Figure 3, the filter eye aperture size of the filter screen 4 is 20~50 micro- Rice, preferably 30~40 microns；The mesh number of the filter screen is 270-500；

Preferably, the filter screen can be made up of materials such as fine denier nylons, and it can also be multilayer that the filter screen, which can be one layer,.

In one preferred embodiment, as shown in Figures 1 and 2, the bearing of trend of the air outlet section 3 and vertical side It is 20~40 degree to angle, preferably 25~35 degree.

In one preferred embodiment, as shown in Figures 4 and 5, the filter screen 4 at the mouth of pipe of air outlet section 3 is set Direction can have diversified forms, and such as the generally vertical setting of filter screen in Fig. 4, air outlet section 3 and filter structure now are relatively adapted to The faster air of flow velocity is handled, as the filter screen in Fig. 5 is substantially horizontally disposed, air outlet section 3 and filter screen now are relatively adapted to processing The more air of bulky grain thing；I.e. described filter screen can have a variety of setting angles；Preferably limited in the present invention filter screen with Vertical direction angle is 30~60 degree, more preferably 40-50 degree, and such angle adaptability is most strong, in the adjustable situation of wind speed Under, it can almost handle all common air to be clean.

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 61 is offered on the left side wall of the plenum,

Air outlet 62, the air inlet of the air outlet 62 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 6, the opening in left side is air inlet 61 in the figure, phase The opening on right side be air outlet 62 in Ying Di, Fig. 6, is fore-and-aft direction perpendicular to the direction of paper, in figure above be top, under Side is bottom.

As shown in Figure 6, cleaning liquid 93, the liquid of the cleaning liquid 63 are loaded with the plenum lower inside It is gas flow 64 above face, the cleaning liquid is preferably water；

Deflector 65 is additionally provided with inside the plenum, gas is entered from air inlet 61 by deflection plate 65 Air in body runner 64 is discharged after crooked route from air outlet 62.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 65 includes upper deflection plate 651 and lower folding Flowing plate 652,

Wherein, upper deflection plate 651 seals with the top wall in the plenum, front side wall and rear side wall respectively Connection；

Lower deflection plate 652 is tightly connected with the front side wall in the plenum and rear side wall respectively.

Preferably, the bottom of the upper deflection plate 651 is located at ullage, and in the lower section of air inlet 61.

Preferably, the top of the lower deflection plate 652 is located on the bottom of upper deflection plate 651, and the lower deflection plate Pre- fixed gap is left between top wall in 652 top and plenum；

The bottom of the lower deflection plate 652 is located under liquid level, and in the bottom and plenum of the lower deflection plate 652 Bottom wall between leave pre- fixed gap, to allow liquid to flow.

In one preferred embodiment, as shown in Figure 6, the upper deflection plate 651 and lower deflection plate 652 are all vertical Set,

Two pieces of deflection plates of arbitrary neighborhood include a upper deflection plate 651 and a lower deflection plate 652.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 61 is upper deflection plate 651.

Preferably, on described the top of deflection plate 651 be provided with two sections be in arc-shaped rebound 653, it is described on Deflection plate 651 is tightly connected by the top wall in the rebound 653 and the plenum.The rebound 653 is located at Corner in gas flow 64, in the flow process of air, wherein the particulate matter carried easily touches the rebound, And be attached on rebound, because rebound is in arc-shaped, the particulate matter adhered to thereon slides readily along rebound 653, most Fall eventually into cleaning liquid 63；

In one preferred embodiment, inlet 66 is offered on the right side wall of the plenum, in institute State and liquid outlet 67 offered on the left side wall of plenum, the inlet 66 and liquid outlet 67 all with the cleaning liquid 63 It is connected, the cleaning liquid 63 flows from right to left inside the plenum.

Preferably, water pump 68 is additionally provided with outside the plenum,

The inlet 66 is connected by pipeline with water pump 68.

It is further preferred that as shown in Figure 6, inlet 66 and liquid outlet 67 are all connected by pipeline with water pump 68, 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 69,

By the nozzle 69 to the air-atomizing entered via air inlet 61 in gas flow 64 to increase the sky The weight of impurity is carried in gas, and then causes the impurity directly falls in solution 63 or fallen to be pooled to again on deflection plate 65 In solution 63.

In a preferred embodiment, as shown in Figure 6, the nozzle 69 has multiple, baffling on each The both sides of plate 651 are both provided with nozzle 69, 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 63；

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 610 is offered on the top wall of the plenum, when the air inlet and air-out After mouth is all closed, air vent 610 is opened, turns off pipeline corresponding to liquid outlet 67, 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, in the ullage Escape pipe 11 is provided with, the air handled through wet tank 1 is discharged by the escape pipe 11, the escape pipe 11 and secondary filtration Device 7 is connected, i.e., the described air handled via wet tank 1 is also needed to after two-stage filter 7 further processing It can be discharged into air；

Wherein, it is loaded with the two-stage filter 7 and is inserted with identical liquid in wet tank, the escape pipe 11 Enter into the liquid in two-stage filter 7,

In the two-stage filter 7, floating, which has, above the liquid isolates oil reservoir 8；

The isolation oil reservoir 8 has one or more layers；

The liquid level thickness of the isolation oil reservoir 8 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 8, liquid and the air contact in two-stage filter 7 are prevented； So as to prevent bubble by taking the impurity such as particulate matter suspended in liquid out of during dissolving top surface, even if having partial particulate thing by band Enter into isolation oil reservoir, because the density for isolating oil reservoir is smaller, particulate matter quickly can be fallen after rise into liquid.

In the outlet side of the escape pipe 11

The outlet side of the escape pipe 11 is inserted into below the liquid level of the liquid of two-stage filter 7, at the outlet side It is provided with cylindrical filter screen 9.To be filtered/purification air is injected into two-stage filter 7 by escape pipe 11, is contacted with liquid After be moved to the top of two-stage filter 7；

In one preferred embodiment, as shown in Figure 7, sky to be clean is introduced by the inlet end of escape pipe 11 Gas, air to be clean is discharged in solution liquid by the outlet side of escape pipe 11, air to be clean is divided after cylindrical filter screen 9 Multiple tiny bubbles are divided into, so as to fully be contacted with liquid.

Preferably, the cylindrical filter screen 9 includes stack shell and a nozzle,

The outlet side 5 of the airway tube 2 is extend into the nozzle,

The outer wall of the escape pipe 11 is tightly connected with the nozzle, i.e., described filter screen is sealedly connected on the escape pipe 11 Outside, the air come out from escape pipe 11 must pass through cylindrical filter screen 9.

Preferably, multiple cylindrical filter screens 9 being arranged layer by layer are provided with the outlet side of escape pipe 11, wherein, it is described Cylindrical filter screen 9 is all located at below the liquid level of liquid, it is preferable that the cylindrical filter screen has 3；

In one preferred embodiment, outer wall of the nozzle of each cylindrical filter screen 9 all with escape pipe 11 is tightly connected；

Predetermined space is left between the stack shell of each cylindrical filter screen 9.

In one preferred embodiment, the aperture size of the cylindrical filter screen 9 be 20~50 microns, preferably 30~ 40 microns；The mesh number of the cylindrical filter screen is 270-500.

Preferably, cylindrical filter screen of the present invention can be made up of materials such as fine denier nylons, be that pliability is very high, in Fig. 7 It is the schematic diagram after being risen by air/gas bubbles impact under working condition.

Above in association with preferred embodiment, the present invention is described for invention invention invention invention, but these realities It is only exemplary to apply mode, only plays illustrative effect.On this basis, a variety of replacements can be carried out to the present invention and are changed Enter, these are each fallen within protection scope of the present invention.

Claims (10)

1. a kind of first level filtering device for air purifier, it is characterised in that the device includes closed wet tank (1) With airway tube (2)；

Liquid is loaded with the wet tank (1),

Described airway tube (2) one end is inlet end, outside positioned at wet tank (1),

Airway tube (2) other end is inserted into below the liquid level of wet tank (1),

Below the liquid level, the air outlet section (3) stretched out towards oblique upper is provided with the airway tube (1),

Filter screen (4) is provided with the outlet mouth of pipe of the air outlet section (3).

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),

The particle carried in air to be clean is filtered by filter screen (4), prevents particle from being entered by air outlet section (3) in liquid.

3. first level filtering device according to claim 2, it is characterised in that

Also the air to be clean is broken up as tiny bubble by the filter screen (4).

4. first level filtering device according to claim 1, it is characterised in that

More than 2 air outlet sections (3) are set on the airway tube (1),

Each air outlet section (3) outlet mouth of pipe present position highly maintains an equal level.

5. first level filtering device according to claim 4, it is characterised in that

Shape, the size of each air outlet section (3) are all consistent.

6. first level filtering device according to claim 4, it is characterised in that

More than 2 air outlet sections (3) are evenly distributed on around airway tube (2).

7. first level filtering device according to claim 1, it is characterised in that

The filter eye aperture size of the filter screen (4) is 20~50 microns.

8. first level filtering device according to claim 2, it is characterised in that

The airway tube (2) is in another end opening below liquid level, and the other end is located at below air outlet section (3)；

Particle in airway tube (2) is obstructed by the filter screen (4), is slid downwardly into airway tube along the air outlet section, and pass through institute State the other end and enter wet tank (1) bottom.

9. first level filtering device according to claim 1, it is characterised in that

The stretching direction of the air outlet section (3) and the angle of vertical direction are 20~40 degree.

10. first level filtering device according to claim 1, it is characterised in that

In the air outlet section (3), inlet (5) is offered below the mouth of pipe.