CN209423241U - Multistage combined solid water curtain gas-filtering device - Google Patents

Abstract

A kind of multistage combined three-dimensional water curtain gas-filtering device, including shell, pretreatment filtration unit, three-dimensional water curtain wall filter element and water repellent filter unit.Pretreatment filtration unit includes the first pretreated filtering layer and the first pretreated filtering layer spray equipment, and filter layer is formed by multilayer V-type 3 D filter screen is stacked, and spray equipment is arranged in upstream and sprays along airintake direction；Three-dimensional water curtain wall filter element is set as its transverse direction perpendicular to horizontal direction, including three-dimensional water curtain wall filter, preceding spray equipment and rear spray equipment, and filter is formed by multilayer V-type 3 D filter screen is stacked；Preceding spray equipment is arranged in upstream and along airintake direction spray filtering device；Spray equipment is arranged in downstream and along the direction spray filtering device with airintake direction contrary afterwards；Water repellent filter unit is filter layer made of being stacked as multilayer V-type 3 D filter screen.The utility model can remove submicron order pollution particle, acid mist and aerosol well.

Description

Multistage combined solid water curtain gas-filtering device

Technical field

The utility model relates to industrial gasses processing unit more particularly to submicron order gas-filtering devices.

Background technique

Currently, lacking the technique device to sub-micron pollutant process in gas filtration field.For filtering material, such as Using the conventional filter materials such as papery, glass, aluminum filler or flat panel filter net filter gas, can only using increase its density and The mode of thickness increases the contact area of gas and filtering material to reinforce filter effect.But actual filtration effect is poor, and And as the reinforcement of filter effect considerably increases filtering pressure drop, its use scope is greatly limited.Entitled " side The Chinese utility model patent ZL201420367118 design of shape horizontal washing tower " has new meaning, easy for installation, occupies little space, There is conducive to maintenance and to biggish particulate pollutant certain washing effect, however to the pollution particle elimination effect of submicron order Difference.

In addition, there are also people to use electrostatic precipitation and bag-type dust, but due to removing subtle pollutant especially sub-micro The particulate matter of meter level, drop, aerosol, acid mist it is ineffective, and cost is very high, limits their application.

Research and develop the Xiang Chong that easily manufactured, removal submicron order pollutant excellent effect equipment is still environmental protection industry (epi) Appoint.

Utility model content

The utility model is designed to provide a kind of gas-filtering device, to improve the effect of gas purification, solves gas The problem of the pollutant purifications effect difference such as aerosol, acid mist, drop in body processing, especially solves to purify submicron particles to imitate The problem of fruit difference.

To achieve the above object, the utility model provides a kind of multistage combined three-dimensional water curtain gas-filtering device, packet Include the shell with air inlet and air outlet and along the shell it is axial set gradually from the air inlet to gas outlet it is pre- Handle filter element, three-dimensional water curtain wall filter element and water repellent filter unit, wherein the pretreatment filtration unit is extremely It less include at least one first pretreated filtering layer and the first pretreated filtering layer spray equipment, the first pretreated filtering layer It is formed by multilayer V-type 3 D filter screen is stacked, the first pretreated filtering layer spray equipment is arranged in first pretreatment The upstream of filter layer simultaneously sprays the first pretreated filtering layer along airintake direction；The solid water curtain wall filter element is along perpendicular Histogram is to setting so that the transverse direction of the solid water curtain wall filter element is perpendicular to horizontal direction, including three-dimensional water curtain wall mistake Spray equipment after spray equipment and three-dimensional water curtain wall filter before filter, three-dimensional water curtain wall filter, wherein described Three-dimensional water curtain wall filter is formed by multilayer V-type 3 D filter screen is stacked；Dress is sprayed before the solid water curtain wall filter Set the upstream for being arranged in the three-dimensional water curtain wall filter and along the airintake direction spray three-dimensional water curtain wall filter；And And after the three-dimensional water curtain wall filter spray equipment be arranged in the three-dimensional water curtain wall filter downstream and along with into The direction spray of the gas direction contrary three-dimensional water curtain wall filter；And the water repellent filter unit is stood by multilayer V-type Filter layer made of body filter screen is stacked.

It is preferred that the pretreatment filtration unit further includes the second pretreated filtering layer and the second pretreatment filtration Layer spray equipment, the first pretreated filtering layer and the second pretreated filtering layer are arranged successively along airintake direction, described Second pretreated filtering layer is formed by multilayer V-type 3 D filter screen is stacked, the second pretreated filtering layer spray equipment arrangement The described second pretreated filtering layer upstream and spray the second pretreated filtering layer along airintake direction.

It is preferred that the multistage combined three-dimensional water curtain gas-filtering device of the utility model further includes reverse saturation spray Unit is drenched, this inversely be saturated the upstream that spray unit is set to the pretreatment filtration unit, including spray boom and described in being set to Multiple spray heads on spray boom, the multiple spray head, towards the gas jetting liquid of entrance, and make along the direction with airintake direction contrary The liquid of ejection covers the transversal cross-section of entire shell, so that the gas after spraying be made to be formed to have the gas for being saturated wettability Body.

It is preferred that the gas-filtering device be it is horizontal, the axis of the shell is parallel to horizontal direction.

It is preferred that the cross section of the shell is rectangle or circle.

It is preferred that the water outlet of the shell is located at the lower section of the shell and the neighbouring water repellent filter list Member, the liquid for spraying flow out the shell.

It is preferred that the pretreatment filtration unit includes that the pretreated filtering layer of more than two and more than two are located in advance Manage filter layer spray equipment.

It is preferred that the solid water curtain wall filter element has two or more three-dimensional water curtains Wall filter, each solid water curtain wall filter spray before two sides are respectively arranged with the three-dimensional water curtain wall filter Spray equipment after device and the three-dimensional water curtain wall filter.

It is preferred that the number of plies of the V-type 3 D filter screen of the solid water curtain wall filter and the density of grid It is arranged according to the physicochemical property by gas.

It is preferred that the multistage combined three-dimensional water curtain gas-filtering device further includes blower, blower setting At the air inlet.

The pollution particle elimination effect of prior art submicron order is poor, in contrast, the utility model proposes multistage composites Formula solid water curtain gas-filtering device is a kind of decontamination apparatus of the removal pollutants in air of innovation.This is multistage combined Three-dimensional water curtain gas-filtering device has the multistage combined processing unit being sequentially arranged, and at least may include pretreatment filtration list Member, three-dimensional water curtain wall filter element and water repellent filter unit can also include reverse saturation spray unit, such structure Design not only manufacture and it is easy to maintenance, but also to polluted gas have good treatment effect, to micro- contamination in gas Clearance rate can reach 99.96 or more.

Detailed description of the invention

Fig. 1 is the section view signal of the first embodiment of the multistage combined three-dimensional water curtain gas-filtering device of the utility model Figure.

Fig. 2 is the reverse saturation of the first embodiment of the multistage combined three-dimensional water curtain gas-filtering device of the utility model Spray schematic diagram of the spray unit in non-air inlet.

Fig. 3 is the reverse saturation of the first embodiment of the multistage combined three-dimensional water curtain gas-filtering device of the utility model Spray schematic diagram of the spray unit in air inlet.

Fig. 4 is the three-dimensional water curtain of the first embodiment of the multistage combined three-dimensional water curtain gas-filtering device of the utility model The working state schematic representation of wall filter element.

Fig. 5 is the section view signal of the multistage combined three-dimensional water curtain gas-filtering device second embodiment of the utility model Figure.

Fig. 6 is the section view signal of the multistage combined three-dimensional water curtain gas-filtering device 3rd embodiment of the utility model Figure.

Fig. 7 first is adopted to 3rd embodiment by the multistage combined three-dimensional water curtain gas-filtering device of the utility model With the schematic top plan view of V-type 3 D filter screen.

Fig. 8 first is adopted to 3rd embodiment by the multistage combined three-dimensional water curtain gas-filtering device of the utility model With the front-view schematic diagram of V-type 3 D filter screen.

Fig. 9 first is adopted to 3rd embodiment by the multistage combined three-dimensional water curtain gas-filtering device of the utility model With the right side view of V-type 3 D filter screen.

Figure 10 for the utility model multistage combined three-dimensional water curtain gas-filtering device first to 3rd embodiment institute Using the stereoscopic schematic diagram of V-type 3 D filter screen.

Figure 11 for the utility model multistage combined three-dimensional water curtain gas-filtering device first to 3rd embodiment institute Using the stereoscopic schematic diagram of V-type 3 D filter screen.

Figure 12 is that the V-type 3 D filter screen of the multistage combined three-dimensional water curtain gas-filtering device of the utility model is stacked to The stereoscopic schematic diagram with grid filtration stratum reticulare or filter used may be selected.

Appended drawing reference summarizes:

Shell 1；Air inlet 2；Gas outlet 3；Spray piping 5；Blower 6；Three-dimensional water curtain 7；Spray liquid 8；V-type solid mistake Strainer 9；Grid 91；Reverse saturation spray unit 10；Pretreatment filtration unit 11；Three-dimensional water curtain wall filter element 12；Waterproof Filter element 13；First pretreated filtering layer 20；Second pretreated filtering layer 21；Three-dimensional water curtain wall filter 22；Waterproof mistake Filtering layer 23；Reverse saturation spray equipment 30；First pretreated filtering layer spray equipment 31；Second pretreated filtering layer spray equipment 32；Spray equipment 33 before three-dimensional water curtain wall filter；Spray equipment 34 after three-dimensional water curtain wall filter；Spray head 40；Water outlet Mouth 41；Sewer pipe 42；Discharge outlet 43

Specific embodiment

Hereinafter, the reality of the multistage combined three-dimensional water curtain gas-filtering device of the utility model is described with reference to the accompanying drawings Apply mode.

The embodiment recorded herein is the specific specific embodiment of the utility model, for illustrating the utility model Design, be it is explanatory and illustrative, should not be construed as to the utility model embodiment and the scope of the utility model Limitation.In addition to the embodiment recorded herein, those skilled in the art can also be based on the claim of this application book and specification For disclosure of that using obvious other technical solutions, these technical solutions include using to the embodiment party recorded herein The technical solution for making any obvious substitutions and modifications of formula.

The attached drawing of this specification is schematic diagram, aids in illustrating the design of the utility model, it is schematically indicated each section Shape and its correlation.It note that for the ease of clearly showing the structure of each component of the utility model embodiment, It is not necessarily drawn according to identical ratio between each attached drawing.Identical reference marker is for indicating the same or similar part.

Fig. 1 is the section view signal of the first embodiment of the multistage combined three-dimensional water curtain gas-filtering device of the utility model Figure.

In the first embodiment, multistage combined three-dimensional water curtain gas-filtering device has a shell 1, at 1 formation of shell Chamber is managed, air inlet 2 is set in processing chamber front end, port 3 is provided in processing cavity rear end.The solid water curtain gas-filtering device is also It is the reverse saturation spray process unit that is set gradually with the axial direction along the shell 1 from air inlet 2 to gas outlet 3, pretreated Filter unit 11, three-dimensional water curtain wall filter element 12 and water repellent filter unit 13.In this embodiment, also at air inlet 2 Provided with blower 6, for inputting gas into processing chamber.

The gas-filtering device of the present embodiment be it is horizontal, the axis of shell 1 is parallel to horizontal direction.Shell 1 it is transversal Face can be round or rectangle, be also possible to other shapes, such as trapezoidal.Preferably rectangle, such as square.This is practical new The contour structures of the gas-filtering device of type be not limited to it is horizontal, can be it is horizontal with vertical combination, in special circumstances can also be with It is vertical.In the present invention, it is ensured that three-dimensional water curtain wall filter element 12 is arranged along the vertical direction, is in its axis Horizontal direction fills as long as ensure that the operative orientation of three-dimensional water curtain wall filter element 12 as the utility model gas filtration The contour structures set can according to need to design.

Shell 1 further includes water outlet 41, and the liquid for spraying flows out shell 1, as shown in Figure 1, water outlet 41 and shell The sewer pipe 42 of body 1 is connected.Spray liquid 8 is provided using spray piping 5, spray liquid 8 is sprayed through spray head 40.Sewer pipe 42 are arranged below shell, can be circular pipe, can also be the lower flume of rectangle, that is, sewer pipe formula lower flume.Sewer pipe 42 water inlet is water outlet 41, connects the lower section of shell 1, for collecting and being discharged what each functional unit sprayed from shell 1 Liquid.Sewer pipe 42 also has outlet 43, for the liquid sprayed out collected to be discharged through the sewer pipe 42.

Reverse saturation spray unit 10 is set to the upstream of pretreatment filtration unit 11, including spray boom and is set on spray boom Multiple spray heads 40, for example, inversely saturation spray process unit spray equipment be by several spray bars equipped with spray head 40 Parallel composition.In the present invention, term " upstream " and " downstream " refer to along airintake direction be in gas flowing upstream or Downstream.

Fig. 2 is spray schematic diagram of the reverse saturation spray unit 10 in non-air inlet, and Fig. 3 is reverse saturation spray unit The 10 spray schematic diagram in air inlet.As shown in Figures 2 and 3, spray head 40 is along the direction with airintake direction contrary towards the gas of entrance Jetting liquid, and the liquid sprayed is made to cover the transversal cross-section of entire shell 1, so that the gas after spraying be made to be formed to have It is saturated the gas of wettability.As shown in figure 3, the gas entered can mutually be oppressed with the liquid of ejection, in such a state, have Conducive to the transversal cross-section for covering entire shell 1 spray liquid 8 and so that gas is formed to have the gas of saturation wettability.Referring to The gas of Fig. 3, entrance open the shape of the liquid sprayed further outward the compressing of the liquid sprayed from spray head, are used in The liquid of ejection covers the transversal cross-section of entire shell 1.

Pretreatment filtration unit 11 includes the first pretreated filtering layer 20 being arranged successively along airintake direction and the second pre- place Manage filter layer 30.

First pretreated filtering layer 20 is formed by multilayer V-type 3 D filter screen is stacked, pretreated with being arranged in first The upstream of filtering layer 20 and the first pretreated filtering layer spray equipment 31 that the first pretreated filtering layer 20 is sprayed along airintake direction.

Second pretreated filtering layer 30 is formed by multilayer V-type 3 D filter screen is stacked, pretreated with being arranged in second The upstream of filtering layer 30 and the second pretreated filtering layer spray equipment 32 that the second pretreated filtering layer 30 is sprayed along airintake direction.

First and second pretreated filtering layers 30 are made of the superposition of V-type 3 D filter screen, there is that filter effect is good, filtering The low feature of pressure drop.

The transverse direction so that three-dimensional water curtain wall filter element 12 is arranged in three-dimensional water curtain wall filter element 12 along the vertical direction Perpendicular to spray equipment 33, Yi Jili before horizontal direction, including three-dimensional water curtain wall filter 22, three-dimensional water curtain wall filter Spray equipment 34 after body water curtain wall filter, wherein three-dimensional water curtain wall filter 22 is stacked by multilayer V-type 3 D filter screen It forms；Spray equipment 33 is arranged in the upstream of three-dimensional water curtain wall filter 22 and along air inlet side before three-dimensional water curtain wall filter To the three-dimensional water curtain wall filter 22 of spray；Also, spray equipment 34 is arranged in three-dimensional water curtain after three-dimensional water curtain wall filter The downstream of wall filter 22 simultaneously sprays three-dimensional water curtain wall filter 22 along with the direction of airintake direction contrary.

In the present invention, three-dimensional water curtain wall filter element 12 is by least one three-dimensional water curtain wall filter structure Composition.Each solid water curtain wall filter structure is made of bilateral spray equipment and water curtain wall filter.As shown in figure 4, Water curtain wall filter is formed by stacking by specific multilayer V-type 3 D filter screen.Filter has two groups of opposite spray equipments It carries out continuing spray in its two sides, due to the special stereochemical structure that the cable of V-type solid filtering is presented, so that spray liquid 8 is in weight Moisture film on folded 3 D filter screen forms three-dimensional multilayer water curtain wall.Water curtain wall is formed by three-dimensional water curtain 7, and three-dimensional water curtain 7 wraps Include the multilayer moisture film being formed in V-arrangement 3 D filter screen.The gas filtered is under pressure from the water curtain of layer stereo It passes through, the soluble micropollutants in gas contact with filter screen, can capture micropollutants.

The setting of the density of the number of plies and grid of V-type 3 D filter screen in water curtain wall filter by gas physics and chemistry What matter determined, such as type, gas velocity, tolerance, pollutant load, the temperature of gas, those skilled in the art can be according to designs Need to design the number of plies of the V-type 3 D filter screen in water curtain wall filter and the density of grid.V in water curtain wall filter The number of plies of type 3 D filter screen can be 1-5 layers, can also be more than 5 layers, in an implementation, can pay the utmost attention to be designed as 3 layers.

Although Fig. 1, which is shown only, in the present embodiment has a three-dimensional water curtain wall filter structure, according to practical work The needs of condition, the embodiments of the present invention can also be used there are two tools and more than two three-dimensional water curtain wall filter structures, Based on the principle, those skilled in the art can be designed according to specific needs.

In the present invention, the liquid (i.e. spray liquid) of spray can be water, purified water, pure water, acid, alkaline water etc. Deng those skilled in the art can design according to the design needs and select.Spray liquid preferably used drainage, i.e., purified water, Pure water.

Except water filter unit 13 be as multilayer V-type 3 D filter screen it is stacked made of filter layer, effect be water removal and into One step removes remaining micropollutants in gas.In the present invention, it is filtered except water filter unit 13 by least one water removal Layer composition, except water filtering layer is made of the superposition of V-type 3 D filter screen, to guarantee filter effect and gas percent of pass.

Due to being only last ending scavenging effect, so, except water filter unit need not have spray equipment.

The utility model uses the three-dimensional water curtain wall filter element 12 of original creation, and in the present embodiment, level Four mistake Filter unit continuous work, be greatly improved the filter effect to micro- contamination in gas, clearance rate can reach 99.96 with On.

Fig. 5 is the section view signal of the multistage combined three-dimensional water curtain gas-filtering device second embodiment of the utility model Figure.Compared with first embodiment, second embodiment does not include reverse saturation spray unit 10.Under certain operating conditions, originally The multistage combined three-dimensional water curtain gas-filtering device of utility model need not have reverse saturation spray unit 10 also to can satisfy Design requirement can equally reach the filtering effect of the excellent micro- contamination of removal using the three-level filter device of second embodiment Fruit.

Fig. 6 is the section view signal of the multistage combined three-dimensional water curtain gas-filtering device 3rd embodiment of the utility model Figure.As shown, 3rd embodiment is also a three-level filter device, including pretreatment filtration unit 11, three-dimensional water curtain wall Filter element 12 and water repellent filter unit 13.But, in the first and second embodiment, pretreatment filtration unit 11 includes edge The the first pretreated filtering layer 20 and the second pretreated filtering layer 30 that airintake direction is arranged successively, in contrast, implementing in third Pretreatment filtration unit 11 only includes a pretreated filtering layer, i.e., the first pretreated filtering layer 20 in example.In the utility model Embodiment in, according to certain working conditions, when the utility model is also designed to wrap pretreatment filtration unit 11 only When including a pretreated filtering layer, such embodiment is also able to satisfy design requirement, can equally reach the excellent micro- dirt of removal Stain the filter effect of object.

The embodiments of the present invention is not limited to the above embodiments, can also have other embodiment.For example, Pretreatment filtration unit can also include more than two pretreated filtering layers and more than two pretreated filtering layer spray dresses It sets, pretreated filtering layer spray equipment matches respectively with pretreated filtering layer to clean pretreated filtering layer.Art technology Personnel can determine the quantity of the pretreated filtering layer of pretreatment filtration unit according to the specific operating condition of equipment.For another example In the embodiment of front, blower is all set at air inlet, however, it is possible to be set at air outlet or other appropriate locations, It may even go so far that setting is located at multiple blowers at different location.According to specific operating condition and device structure, wind can also be not provided with Machine.

The utility model uses V-type 3 D filter screen, and material selects as needed, such as plastics, metal etc.. Those skilled in the art can select the V-type 3 D filter screen of the prior art, and design V with principle according to the present utility model Size, the number of plies and the mesh-density of type 3 D filter screen.

Fig. 7, Fig. 8 and Fig. 9 be respectively the multistage combined three-dimensional water curtain gas-filtering device of the utility model first to Schematic top plan view, front-view schematic diagram and the right side view of the used V-type 3 D filter screen of 3rd embodiment, need to illustrate Be: the schematic rear view and left view schematic diagram of the V-type 3 D filter screen of diagram respectively with front-view schematic diagram and right side view phase Together.

Figure 10 for the utility model multistage combined three-dimensional water curtain gas-filtering device first to 3rd embodiment institute Using the stereoscopic schematic diagram of V-type 3 D filter screen, square-shaped hopper mouth is upward.Figure 11 is also the multistage combined of the utility model The stereoscopic schematic diagram of three-dimensional the used 3 D filter screen of water curtain gas-filtering device, but its square-shaped hopper mouth down.

As illustrated in figures 7-11, stereo weaving mode is taken in the braiding of V-type 3 D filter screen 9 used by the utility model, The filter unit of the filter screen is polyhedron V-type stereochemical structure, and the silk of the cross section of net is arranged in multiple V-structures.Due to tool There is the feature of such stereochemical structure, which considerably increases when filtering gas by the pollution particulate matter in filtering gas Mechanical interception and inertial collision probability in net, substantially increase filter effect, and effectively reduce filtering pressure drop, can Guarantee that filtering gas is unobstructed.Referring back to Fig. 4, it is often more important that, the utility model utilizes stereochemical structure possessed by the filter screen Feature, in abundant spray, every layer of grid can form moisture film, and the stereoscopic grid of overlapping then will form multilayer moisture film spatially Arrangement forms three-dimensional water curtain wall, when gas to be filtered extends there through, under the pollutant in gas can be washed to greatest extent Come.By using V-type 3 D filter screen and specific innovation structure is designed, the filter device of the utility model obtains excellent Filtering sub-micron grade pollution particle industrial production effect.

V-type 3 D filter screen 9 includes multiple filter units in tetrahedron shape, and each filter unit includes at least two groups Silk be mutually perpendicular to weave in and formed；It is parallel to each other between every group of silk, the cross section of every group of silk is in multiple " V " type structures Arrangement.

Each filter unit includes first group of material, and the silk of first group of material is offset in the vertical and horizontal direction Spacing, forms multiple " V " type structural arrangements, the every silk belonged in first group of material in the vertical direction and the horizontal direction with Other holding preset distances.Each filter unit further includes second group of material, and the silk of second group of material is in vertical and water It square offsets spacing upwards, forms multiple " V " type structural arrangements, the every silk belonged in second group of material is in vertical direction With in horizontal direction with other holding preset distances.The silk of the silk of first group of material and second group of material phase in the same plane It is mutually vertical and interlaced.

Each filter unit may also include n-th group material, and n is the positive integer more than or equal to 3.Between the silk of n-th group material It is parallel to each other, the silk of n-th group material and the silk of first group of material or the silk of second group of material are interlaced.

It connects between each filter unit for weaving or is integrally fixedly connected, die molding method or note can be used Mould forming method preparation.The processing method of filter screen can be braiding, molding processing, injection molding or 3D printing.

The cross section for forming the silk of filter unit can be circle, and diameter is, for example, 10 μm of -5cm.

V-type 3 D filter screen can use high molecular polymer, thermoplastic polymeric material, complex fiber material and have painting The natural or synthetic material manufacture of layer.The coating can be the thermoplastic coating with heat-shrinkable

Be described below a kind of particular implementation of V-type 3 D filter screen, the particular implementation using mount structure and Web frame constitutes filter element, and the filament of middle frame structure is crin, thicker than the filament of web frame, to increase enduring for filter screen Degree of including and applicability.The particular implementation is suitable for the larger situation of area of filter net, the general radial dimension for working as filter screen Can be considered when greater than 2 meters and whether select the embodiment, for example, radial dimension be 5 meters × 5 meters when.The particular implementation is only It is that can choose applicable mode, is not the structure that the utility model must use.

As a kind of embodiment of V-type 3 D filter screen, the filter element of V-type 3 D filter screen can be in tetrahedron field word Shape structure, each filter element are staggeredly made of mount structure and web frame, and the mount structure is by frame through filament and frame weft Silk vertically interweaves by preset distance is formed by frame structure, and the cross section of the filter element is at least in a W type structure.Institute Stating web frame is to be formed by net surface structure through the orthogonal intertexture of filament and net weft silk by net, for guaranteeing the net of filter screen Hole density.The frame is parallel to each other through filament and net through filament, and in a predetermined order, distance and interval regularly arrange. The frame weft silk is parallel to each other with net weft silk, and in a predetermined order, distance and interval regularly arrange.

In this embodiment, diameter of the frame through filament cross section can be greater than diameter of the net through filament cross section.Frame warp The ratio range of filament and net through filament cross-sectional diameter can be 1.1:1~5:1.The diameter of frame weft silk cross section can be big Diameter in net weft silk cross section.The ratio range of frame weft silk and net weft silk cross-sectional diameter is 1.1:1~5:1.

In this embodiment, frame is spaced according to the regulation through filament through filament and several nets and is arranged to make up greatly through filament group, often Root belongs to the silk greatly through filament group and keeps preset distance in the horizontal and vertical directions with other silks in the group.Frame weft silk It is alternatively arranged with several net weft silks and constitutes big weft silk group, cross section is at least one W type structure, and every belongs to big weft The silk of silk group keeps preset distance with other silks in the group in the horizontal and vertical directions.Silk and big latitude greatly through filament group The silk of filament group is staggered with special geometric format, so that the cross section of filter element is at least one W type structure, simultaneously So that cross section has certain thickness.

In this embodiment, V-type 3 D filter screen can also include N group material, with greatly through filament group and/or greatly The silk of weft silk group is staggeredly interspersed, wherein N >=3, is greatly the 1st group of material through filament group, big weft silk group is the 2nd group of material.Two There are N root frame weft, N >=3 between root frame warp.

In this embodiment, the quantity of each big warp group center warp is odd number, and the quantity of net warp is even number, and The warp and next filter element at each filter element both ends share.

In this embodiment, net warp can be evenly distributed in frame warp two sides, and the quantity of two sides net warp can With equal.

In this embodiment, frame warp can be identical with the cross section diameter of frame weft, and value range is 0.055~25mm；Net warp can be identical with the cross section diameter of net weft, and value range is 0.050~22.7mm.

In this embodiment, ratio range of the frame through filament and net through filament cross-sectional diameter can for 1.3:1~ 3.0:1；The ratio range of frame weft silk and net weft silk cross-sectional diameter can be 1.3:1~3.0:1.

Another particular implementation of V-type 3 D filter screen is described below.

As shown in figure 12, V-type 3 D filter screen can be stacked as filtering meshes or filter comprising N layers of three-dimensional filtering Net 9 and grid 91 positioned at N layers of 9 side of 3 D filter screen.In the Figure 12, although merely illustrating positioned at N layers of three-dimensional filtering The grid 91 of 9 upper side of net, but may have grid 91 in two sides, moreover, in general in two sides setting grid 91 Situation will be more than only in side setting grid 91.It note that grid 91 is that one kind of filtering meshes or filter fixes and supports Structure, can increase stability and the safety of filtering meshes or filter, which is that filtering meshes or filter can select Applicable frame mode is selected, but is not the structure that the utility model must use.Obviously, it will increase after increasing grid 91 The size of filter mesh layer or filter increases structure member.Obviously, filtering meshes or filter need to be fixed on this by structural member In the shell of the gas-filtering device of utility model, but V-type 3 D filter screen can be carried out using existing various modes It is fixed, new easy, light and handy, firm structural member can also be designed, V-type 3 D filter screen is fixed in shell.One mistake Filter mesh layer or filter may include different layers of V-type 3 D filter screens, which for example can be 1,2,3,5,6,7 layer, Or more layers etc., such as 10 layers.Due to grid 91 be it is a kind of can choose whether applicable component, so, in front One is not shown grid into the attached drawing of 3rd embodiment.Specific structure is needed when the size of filtering meshes or filter arrives greatly To fix and support, it may be considered that use this specific structure of grid.

Every layer of 3 D filter screen 9 includes multiple filter units in tetrahedron shape, and multiple filter units connect into solid Filter screen, each filter unit include that at least two groups are mutually perpendicular to the silk to interweave, are parallel to each other between every group of silk, the cross of every group of silk Section is arranged in multiple V-structures, and N is the natural number more than or equal to 1.Grid 91 includes being used to support described N layers three-dimensional filtering Multiple support portions of net 9, the multiple support portion are adapted with the N layers of 3 D filter screen 9.

In foregoing filtration stratum reticulare or filter, each layer 3 D filter screen 9 can be arranged in parallel, any two layers three-dimensional filtering Spacing between net is within the scope of preset space length.

In foregoing filtration stratum reticulare or filter, the predetermined position on grid 91 is arranged in each support portion, and each layer is three-dimensional Filter screen 9 is arranged on corresponding support portion.

In foregoing filtration stratum reticulare or filter, the mistake of part or all of 3 D filter screen in the N layers of 3 D filter screen 9 Filter opening diameter is different.

In foregoing filtration stratum reticulare or filter, the filter hole of i-th layer of 3 D filter screen 9 in the N layers of 3 D filter screen 9 Diameter is greater than the pore size filter of (i+1) 3 D filter screen.

In foregoing filtration stratum reticulare or filter, grid 91 may include frame, and the shape of frame is at least one following: Round, oval, rectangular and cross, grid can use at least one of materials described below to be made: glass reinforced plastic, steel with And industrial plastic.

In foregoing filtration stratum reticulare or filter, grid 91 may include the support construction of at least two groups weave in, It include at least one keel in every group of support construction, the keel in any two groups of support constructions are arranged in a crossed manner, any two intersections The angle of the crossing between the keel of setting is less than or equal to predetermined angular.In this respect it is to be noted that in the present invention, each mistake The setting of the density of the number of plies and grid of V-type 3 D filter screen in filter mesh layer or filter is determined by the physicochemical property of gas , such as type, gas velocity, tolerance, pollutant load, the temperature of gas, those skilled in the art can set according to the design needs Count the number of plies of the V-type 3 D filter screen in each filtering meshes or filter and the density of grid.In the above-described embodiment, mistake Filter mesh layer or filter include: the first pretreated filtering layer 20 and the second pretreated filtering layer 21 of pretreatment filtration unit 11； The three-dimensional water curtain wall filter 22 of three-dimensional water curtain wall filter element 12；And the water repellent filter layer of water repellent filter unit 13 23。

In each filter element the quantity of filter structure also by the needs of gas filtration depending on.

It note that those skilled in the art can be in the case where not departing from the spirit of the utility model to above-mentioned each implementation The feature of mode is modified and is combined, and therefore, the utility model is not limited to the respective embodiments described above.Moreover, for this reality It above-mentioned can be disclosed with the specific features such as shape, size and position of novel multistage combined three-dimensional water curtain gas-filtering device The effect of feature specifically designed, these designs are that those skilled in the art can be realized.For example, the utility model The radial dimension of multistage combined three-dimensional water curtain gas-filtering device can according to need specifically to design, changeable, example Such as it is designed as 1-2 meters.

The utility model constitutes the processing unit of combined type, and has the processing unit of original creation, for submicron order Pollutant has good treatment effect.

The utility model is that a kind of pair of submicron order pollutant has good treatment effect, novel convenient for what is manufactured and safeguard Aerosol processing unit, for being important progress for removing the environment protection field of micron order aerosol harmful components.

The embodiment of the multistage combined three-dimensional water curtain gas-filtering device of the utility model is illustrated above, Its object is to explain the spirit of the utility model.

Claims (9)

1. a kind of multistage combined three-dimensional water curtain gas-filtering device, including the shell with air inlet and air outlet, feature It is, further includes the pretreatment filtration unit set gradually along the axial direction of the shell from the air inlet to gas outlet, three-dimensional water Curtain wall type filter element and water repellent filter unit, wherein

The pretreatment filtration unit includes at least the first pretreated filtering layer and the first pretreated filtering layer spray equipment, described First pretreated filtering layer is formed by multilayer V-type 3 D filter screen is stacked, the first pretreated filtering layer spray equipment arrangement The described first pretreated filtering layer upstream and spray the first pretreated filtering layer along airintake direction；

The transverse direction so that the solid water curtain wall filter element is arranged in the solid water curtain wall filter element along the vertical direction Perpendicular to horizontal direction, including spray equipment before at least one three-dimensional water curtain wall filter, three-dimensional water curtain wall filter, with And spray equipment after three-dimensional water curtain wall filter, wherein

The solid water curtain wall filter is formed by multilayer V-type 3 D filter screen is stacked；

Before the solid water curtain wall filter spray equipment be arranged in the three-dimensional water curtain wall filter upstream and along into The gas direction spray three-dimensional water curtain wall filter；And

After the solid water curtain wall filter spray equipment be arranged in the three-dimensional water curtain wall filter downstream and along with The direction spray of the airintake direction contrary three-dimensional water curtain wall filter；And

The water repellent filter unit is filter layer made of being stacked as multilayer V-type 3 D filter screen.

2. multistage combined three-dimensional water curtain gas-filtering device according to claim 1, which is characterized in that the pretreatment Filter element further includes the second pretreated filtering layer and the second pretreated filtering layer spray equipment, the first pretreated filtering layer It is arranged successively with the described second pretreated filtering layer along airintake direction, the second pretreated filtering layer is by multilayer V-type solid mistake Strainer is stacked to be formed, and the second pretreated filtering layer spray equipment is arranged in the upstream of the described second pretreated filtering layer and edge Airintake direction sprays the second pretreated filtering layer.

3. multistage combined three-dimensional water curtain gas-filtering device according to claim 1, which is characterized in that described multistage multiple Box-like solid water curtain gas-filtering device further includes reverse saturation spray unit, this be inversely saturated spray unit be set to it is described pre- The upstream for handling filter element, including spray boom and the multiple spray heads being set on the spray boom, the multiple spray head edge and air inlet The direction of direction contrary and makes the liquid sprayed cover the transversal cross-section of entire shell towards the gas jetting liquid of entrance, thus The gas after spraying is set to be formed to have the gas of saturation wettability.

4. multistage combined three-dimensional water curtain gas-filtering device according to claim 1, which is characterized in that the gas mistake Filter device be it is horizontal, the axis of the shell is parallel to horizontal direction.

5. multistage combined three-dimensional water curtain gas-filtering device according to claim 4, which is characterized in that the shell Cross section is rectangle or circle.

6. multistage combined three-dimensional water curtain gas-filtering device according to claim 4, which is characterized in that the shell Water outlet is located at the lower section of the shell and the neighbouring water repellent filter unit, and the liquid for spraying flows out the shell Body.

7. multistage combined three-dimensional water curtain gas-filtering device according to claim 3, which is characterized in that the pretreatment Filter element includes the pretreated filtering layer of more than two and the pretreated filtering layer spray equipment of more than two.

8. multistage combined solid water curtain gas-filtering device described in any one of -7 according to claim 1, which is characterized in that The solid water curtain wall filter element has two or more three-dimensional water curtain wall filters, each solid water Curtain wall type filter spray equipment and three-dimensional water curtain wall before two sides are respectively arranged with the three-dimensional water curtain wall filter Spray equipment after formula filter.

9. multistage combined solid water curtain gas-filtering device described in any one of -7 according to claim 1, which is characterized in that It further includes blower that the gas, which wants filter device, which is set at the air inlet.