CN100479902C - Chemical filtering net - Google Patents
Chemical filtering net Download PDFInfo
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- CN100479902C CN100479902C CNB2006100757943A CN200610075794A CN100479902C CN 100479902 C CN100479902 C CN 100479902C CN B2006100757943 A CNB2006100757943 A CN B2006100757943A CN 200610075794 A CN200610075794 A CN 200610075794A CN 100479902 C CN100479902 C CN 100479902C
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Abstract
The present invention relates to a kind of chemical filtering screen. It is characterized by that it is formed from several filtering layer structures which are alternatively laminated together, in which every filtering layer structure includes several successively-arranged filtering units, and every filtering unit includes several continuously-bent structures, and every bent structure has a certain bent point and bent width, so that the above-mentioned bent structures can form a discontinuous flow field.
Description
Technical field
The present invention relates to a kind of chemical filter screen, particularly about a kind of contact area that can increase between gas and the filter screen, so that the chemical filter screen of availability to be provided.
Background technology
Because indoor air quality (IAQ) comes into one's own day by day, airhandling equipment is also done relevant correction to accord with the demands of the market thereupon.Change in its design, being attributable to has correction, document reports of newspaper or the industrial lawsuit result of changes in temperature gas air-conditioning equipment (HVAC) of more deep cognition, quality standard to influence to IAQ, with certain air quality of improving in the building.Pollutant by building generation itself, generally be divided into organic and inorganic chemistry material (VOC), fiber, plant etc., and the office work machine, also can pollute as the gas that duplicator and printer discharged indoor air quality, in the new now office building, building materials, furniture, carpet etc. all easily give out VOC gas, but the concentration of distributing is difficult for predicting.Cause the other factors of IAQ problem also may comprise: to build pollutant, microorgranic contaminant that the machinery equipment in the thing produces, the pollution that outer gas pollutant and furniture equipment produce etc.
High-grade filter screen can filter as particulates such as dust, drifts as the HEPA filter screen, not only keeps certain indoor air quality, can also prevent the gathering of fume in airduct pipeline and the aircondition.And airborne chemical pollutant as peculiar smell or toxic gases such as formaldehyde, ammonia, then must absorb by absorption or absorption type chemical filter screen; The wavy filter screen 1a of penetration as shown in Figure 1, it is the structure that is made up by continuous V-shape or U font, be folded with the activated carbon structure that one deck is made up of active carbon particle among this filter screen 1a, penetrate, appear by another surface again from the surface of this filter screen 1a by air G, utilize the airborne chemical pollutant of activated carbon structure filtering.Yet in this known technology, time of contact and contact area deficiency between air G and this filter screen 1a make that the removal efficient of chemical pollutant is lower.In addition, because air G penetrates the cause that this filter screen 1a can directly produce resistance, the pressure drop of this filter screen 1a both sides is higher, in order to reduce pressure drop, the degree of depth of this V-shape or U font can be strengthened, the face wind speed when reducing air penetration, the material of making this filter screen 1a increases and causes cost to improve.
Honeycomb filter screen 1b shown in Figure 2, it is that matrix at this filter screen 1b contains activated carbon.Airborne chemical pollutant can removed by contacting with activated carbon in the advancing of this cellular passage, though because air G need not penetrate filter screen and bigger with the contact area of filter screen, advantage with low pressure drop, yet its removal efficient still depends on passage length and admission velocity, wanting to improve its removal ability must increase passage length or reduce admission velocity, and influences the elasticity that this filter screen 1b uses.
Figure 3 shows that foaming type filter screen 1c, utilize activated carbon and expanded material one-body molded.The irregular holes that produces among same penetrable this foaming type filter screen 1c of air contacts with activated carbon and removes chemical pollutant.For reducing the pressure drop of this foaming type filter screen 1c both sides, lower the resistance that air G passes, can make the thinner thickness of this filter screen 1c, yet this mode can reduce the removal ability of chemical pollutant; If ensure the removal ability, then must increase the resistance that power consumption is met with when overcoming air penetration.
In addition, above-mentioned three kinds of known filter screens are because its structural restriction for the air of unexpected increase pollution concentration, can't be done more efficient filtering.
In view of this, the present inventor is to concentrate on studies, design thoughts on above-mentioned problem and needs, proposes a kind of design finally to solve those problems and needs.
Summary of the invention
Main purpose of the present invention is to provide a kind of chemical filter screen, allows air pass easily, with the amount of saving energy; Can provide enough big air and the contact area between filter screen, to improve the availability of this filter screen; In addition, because architectural characteristic still can reach effective removal ability when this filter screen raises suddenly for pollution concentration.
To achieve these goals, the invention provides a kind of chemical filter screen, it is characterized in that a plurality of structure of filtering layer and be cross-bedding folding laminates a plurality of and these structure of filtering layer intersectings.Wherein, each structure of filtering layer includes first, second and the 3rd filter element that joins before and after the inflow direction along air.First, second, and the 3rd filter element comprise respectively: first, second of a plurality of continuous settings, and the 3rd bending structure; And a plurality of by these first, second, and the 3rd bending structure constituted first, second, and third channel.Wherein, each bending structure definition has inflection point and wide cut; These first and second bending is constructed and these the second and the 3rd bending structures are wrong row (off-set) setting, forms discontinuous flow field.
To achieve these goals, the present invention provides a kind of chemical filter screen again, the laminate that it is characterized in that a plurality of structure of filtering layer and be folded a plurality of and these structure of filtering layer intersectings of cross-bedding.Wherein, each structure of filtering layer includes in regular turn a plurality of filter elements that join before and after the inflow direction of air, and each filter element comprises a plurality of continuous bendings structures and a plurality of passage that is made of these bending structures.Wherein, each bending structure definition has inflection point and wide cut; These filter elements that front and back join, the bending structure that it comprised is wrong row (off-set) and is provided with, and forms discontinuous flow field.
To achieve these goals, the present invention provides a kind of chemical filter screen again, it is characterized in that a plurality of structure of filtering layer and be cross-bedding folding laminates a plurality of and these structure of filtering layer intersectings; Wherein each structure of filtering layer includes a plurality of filter elements that are provided with in regular turn; Each filter element comprises the bending structure that plural number is continuous, and each bending structure definition has inflection point and wide cut; Whereby, these filter elements that front and back join, the inflection point by changing these bending structures that it comprises and wide cut at least one of them, these bending structures that join before and after making are wrong row (off-set) setting, to form discontinuous flow field.
Therefore, by as can be known aforementioned, chemical filter screen of the present invention has following advantage:
1. air can form low pressure drop by formed passage in each filter element, can save electric power;
2. the front and back wrong mutually row of bending structure of joining improves time and area that air contacts with filter element, the raising removal effect to form discontinuous flow field structure;
3. can make in addition air can be evenly among by this chemical filter screen before, during and after section remove chemical pollutant, the situation that can avoid air to contact wall concentrates on leading portion, and causes leading portion to exceed the predicament that load, posterior segment can't be used; And
4. because the contact area between air and filter screen is enough big and effective, when pollution concentration improves suddenly, air fluid by after still can keep one and stablize soil removal efficiency.
See also following relevant detailed description of the present invention, further understanding feature of the present invention and technology contents, yet described content only provide with reference to and explanation, be not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the schematic perspective view of the wavy filter screen of known penetration;
Fig. 2 is the schematic perspective view of known honeycomb filter screen;
Fig. 3 is the schematic perspective view of known foaming type filter screen;
Fig. 4 is the schematic perspective view of the chemical filter screen of made according to the present invention;
Fig. 5 is the schematic side view of the chemical filter screen of made according to the present invention;
Fig. 6 is the schematic perspective view of another embodiment of the chemical filter screen of made according to the present invention;
Fig. 7 is the schematic side view of another embodiment of the chemical filter screen of made according to the present invention;
Fig. 8 is the schematic perspective view of the another embodiment of the chemical filter screen of made according to the present invention;
Fig. 9 is the schematic perspective view of an embodiment again of the chemical filter screen of the made according to the present invention; And
Figure 10 is the more schematic perspective view of an embodiment of the chemical filter screen of the made according to the present invention.
Main description of reference numerals
Known:
The wavy filter screen 1a of penetration honeycomb filter screen 1b
Foaming type filter screen 1c
Chemical filter screen of the present invention:
Laminate 10 structure of filtering layer 20
First, second and the 3rd filter element 21,22,23
First, second and the 3rd bending construct 210,220,230
First, second and third channel 212,222,232
First, second and the 3rd inflection point 210p, 220p, 230p
Air G wide cut " a ", " b "
" d " at interval
The specific embodiment
Please consult Fig. 4 and Fig. 5 simultaneously, be respectively the schematic perspective view and the schematic side view of a wherein embodiment of the chemical filter screen of made according to the present invention; This chemical filter screen comprises a plurality of structure of filtering layer 20 and a plurality of and these structure of filtering layer 20 are the folded laminate 10 of cross-bedding.Wherein, each structure of filtering layer 20 includes first, second and the 3rd filter element 21,22,23 that joins before and after the inflow direction along air.First filter element 21 comprises: the first bending structure 210 of a plurality of continuous settings; And it is a plurality of by these first bending structure, 210 first passages that constituted 212.Second filter element 22 comprises: the second bending structure 220 of a plurality of continuous settings; And it is a plurality of by these second bending structure, 220 second channels that constituted 222.The 3rd filter element 23 comprises: the 3rd bending structure 230 of a plurality of continuous settings; And it is a plurality of by these grade in an imperial examination three bending structures 230 third channels that constituted 232.Wherein, each bending structure 210,220 and 230 all defines inflection point 210p, 220p and 230p and wide cut is arranged.Before and after these filter elements of joining, for example these first and second bending structure 210,220 and these the second and the 3rd bending structures 220,230 are wrong row (off-set) setting, form discontinuous flow field.
Each structure of filtering layer 20 can utilize and be made into laminar inorfil, and dipping contains the mixture that sticks together glue material and activated carbon powder, and by hot-forming; Penetrate, pass these second channels 222 by air G from these first passages 212 of this chemical filter screen and appear by these third channels 232 again, with the chemical pollutant among the filtering air G.Wherein, the production method of this structure of filtering layer 20 and material all are not limited to present embodiment, for example, make the usefulness of spent ion exchange resin as the filtering chemical pollutant.
Each structure of filtering layer 20 includes a plurality of filter elements (being first, second and the 3rd filter element 21,22,23 in the present embodiment, right quantity of not limiting to these filter elements); The concentration boundary layer of right air G, its thickness can increase gradually because of the distance of walking, and the chemical pollutant that thickness will influence in the air G diffuses to the speed of the wall of structure of filtering layer 20, and then influences these chemical pollutants and be present in the efficient that the activated carbon in the structure of filtering layer 20 is had an effect.Chemical filter screen provided by the present invention, the suitable filter element that each structure of filtering layer 20 is cut in regular turn multistage, and with these filter elements (as first and second unit 21,22) the bending structure that is comprised is (as first and second bending structure 210,220) connect before and after the inflow direction of air in mistake row (off-set) mode, so as to destroying the continuity in flow field, reformation goes to pot because of the bending structure (as the second bending structure 220) of next filter element (as second filter element 21) so that promptly allowed the concentration boundary layer of air G before boundary layer thickness situation later takes place, new flow field structure is provided again, when each new flow field structure replaces existing flow field structure and takes place, the boundary layer thickness in existing flow field is destroyed, and produce new boundary layer in the flow field structure newly, therefore, can allow airborne chemical pollutant can contact activated carbon in this structure of filtering layer 20 constantly, on the other hand, this mode also can provide enough big contact area at air G and 20 of each structure of filtering layer that pass through thereof, and can effectively improve the removal ability of chemical pollutant.In addition, its activated carbon of known chemical filter screen (with chemical pollutant) exchange area is confined to the fore-end of this chemical filter screen structure, and its back segment passes through to take out of filter screen because boundary layer thickness can't in time exchange later along with air G; With respect to known chemical filter screen structure, this chemical filter screen of the present invention, its multistage filter element that joins before and after the inflow direction of air boundary layer of all can growing up again, the more known chemical filter screen height of utilization rate of this meaning chemical filter screen integral body of the present invention; Further, if the precarious position that pollution concentration improves suddenly takes place, because the contact area that the front is addressed is enough big and effective and the higher all factors of whole utilization rate, after the air G of tool high density pollution thing passed through this chemical filter screen of the present invention, its removal effect was better than known chemical filter screen; Therefore, this chemical filter screen of the present invention is the concentration height of chemical pollutant no matter, and a kind of more stable dirt-removing power all can be provided.
Wherein, these filter elements that front and back join, wherein the wide cut of these bending structures of a filter element is equal to the wide cut of these bending structures of another filter element, but the inflection point non-overlapping copies of these bending structures of two filter elements; With the present embodiment is example, the wide cut of first filter element 21 and second filter element 22 is " a ", but the first inflection point 210p and the second inflection point 220p do not overlap each other, and the interval of " d " is apart arranged, make this first filter element 21 and this second filter element 22 present wrong row (off-set) relation; And the wide cut of the 3rd filter element 23 is overlapped in this first inflection point 210p for " a " and the 3rd inflection point 230p, makes the 3rd filter element 23 to present wrong row (off-set) relation by this second filter element 22.If the wide cut of the 3rd filter element 23 be " a ", the 3rd inflection point 230p can not be overlapped in this first inflection point 210p and this second inflection point 220p, as shown in Figure 8, this first, second and the 3rd inflection point 210p, 220p and 230p in regular turn mistake arrange.
Please consult Fig. 6 and Fig. 7 simultaneously, be respectively the schematic perspective view and the schematic side view of wherein another embodiment of the chemical filter screen of made according to the present invention; In the present embodiment, these filter elements that front and back join, wherein the wide cut of these bending structures of a filter element is the wide cut that is not equal to these bending structures of another filter element.For example, the wide cut of first filter element 21 and second filter element 22 is respectively " a ", " b ", the first inflection point 210p and the second inflection point 220p may be able to overlap each other or be not overlapping each other at this moment, and these first and second bending structure 210,220 of this first filter element 21 and this second filter element 22 presents wrong row's state.In the present embodiment, the wide cut of the 3rd filter element 23 is " a ", and the 3rd inflection point 230p can overlapping or not be overlapped in this first inflection point 210p; The wide cut that Figure 9 shows that the 3rd bending structure 230 is the wide cut that is not equal to the second bending structure 220, so as to forming wrong row's state.
Therefore, from the above, the bending of adjacent two filter elements of this chemical filter screen structure, by changing at least two factors such as its wide cut and inflection point, the bending structure that joins before and after reaching is wrong row's effect mutually, to obtain discontinuous flow field.
In addition, configurations of these bending structures are triangle in the foregoing description, also can be as shown in Figure 10 and be undaform, and these bending structures also are not limited to above-mentioned enforcement aspect.
This chemical filter screen of the present invention can further comprise the keeper (not shown) in enclosing all round, to fix these laminates 10 and structure of filtering layer 20.
Therefore, by as can be known aforementioned, chemical filter screen of the present invention has following advantage:
1. air G can form low pressure drop by formed passage in each filter element, can save electric power;
2. the front and back wrong mutually row of bending structure of joining improves time and area that air contacts with filter element, the raising removal effect to form discontinuous flow field structure;
3. can make in addition air G can be evenly among by this chemical filter screen before, during and after section remove chemical pollutant, the situation that can avoid air to contact wall concentrates on leading portion, and causes leading portion to exceed the predicament that load, posterior segment can't be used; And
4. because the contact area between air and filter screen is enough big and effective, when pollution concentration improves suddenly, air fluid by after still can keep one and stablize soil removal efficiency.
But the above only is a preferable possible embodiments of the present invention, non-so promptly limit in the claim scope of the present invention, therefore every application specification of the present invention or the accompanying drawing content equivalent structure of doing changes, all in like manner all be contained in the claim scope of the present invention, to ensure inventor's rights and interests.
Claims (11)
1. chemical filter screen is characterized in that:
A plurality of structure of filtering layer, wherein each structure of filtering layer includes first, second and the 3rd filter element that joins before and after the inflow direction along air;
Wherein, first filter element comprises:
The first bending structure of a plurality of continuous settings; And
A plurality of first passages that constituted by these first bending structures;
Wherein, second filter element comprises:
The second bending structure of a plurality of continuous settings; And
A plurality of second channels that constituted by these second bending structures;
Wherein, the 3rd filter element comprises:
The 3rd bending structure of a plurality of continuous settings; And
A plurality of third channels that constituted by these grade in an imperial examination three bending structures; And
A plurality of laminates are cross-bedding with these structure of filtering layer and fold;
Wherein, each bending structure is provided with inflection point and wide cut, and these first and second bending is constructed and these the second and the 3rd bending structures are wrong row's setting, forms discontinuous flow field.
2, chemical filter screen as claimed in claim 1, the wide cut that it is characterized by these first and second bending structure is unequal mutually.
3, chemical filter screen as claimed in claim 2, the wide cuts that it is characterized by these the first and the 3rd bending structures can be equal to mutually or be unequal mutually.
4, chemical filter screen as claimed in claim 3, the wide cut that it is characterized by these the first and the 3rd bending structures waits mutually simultaneously, and its inflection point overlaps each other or non-overlapping copies.
5, chemical filter screen as claimed in claim 1, the wide cut that it is characterized by these first and second bending structure is equal to mutually, but the inflection point non-overlapping copies of its bending structure.
6, chemical filter screen as claimed in claim 5, the wide cut that it is characterized by these the first and the 3rd bending structures is equal to mutually, but the inflection point of its bending structure can overlap each other or non-overlapping copies.
7, chemical filter screen as claimed in claim 1, when the inflection points that it is characterized by these the first and the 3rd bending structures overlapped each other, its wide cut can be equal to mutually or be unequal mutually.
8, a kind of chemical filter screen is characterized in that:
A plurality of structure of filtering layer, wherein each structure of filtering layer includes in regular turn a plurality of filter elements that join before and after the inflow direction of air; Wherein, each filter element comprises:
A plurality of continuous bending structures, each bending structure definition has inflection point and wide cut; And
A plurality of passages that are made of these bending structures can pass through fluid; And
A plurality of laminates are cross-bedding with these structure of filtering layer and fold;
Wherein, these filter elements that front and back join, the bending structure that it comprised are wrong row and are provided with, and form discontinuous flow field.
9, chemical filter screen as claimed in claim 8, these filter elements that join before and after it is characterized by, wherein the wide cut of these bending structures of a filter element is the wide cut that is not equal to these bending structures of another filter element.
10, chemical filter screen as claimed in claim 8, these filter elements that join before and after it is characterized by, the wide cut of its bending structure is equal to mutually, but the inflection point non-overlapping copies of these bending structures of two filter elements.
11, a kind of chemical filter screen is characterized in that:
A plurality of structure of filtering layer, wherein each structure of filtering layer includes a plurality of filter elements that are provided with in regular turn; Each filter element comprises a plurality of continuous bending structures, and each bending structure definition has inflection point and wide cut; And
A plurality of laminates are cross-bedding with these structure of filtering layer and fold;
Whereby, these filter elements that join before and after the inflow direction of air, inflection point by changing these bending structures that it comprises and wide cut at least one of them, make these bending structures that join before and after the inflow direction of air be wrong row's setting, to form discontinuous flow field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100757943A CN100479902C (en) | 2006-05-09 | 2006-05-09 | Chemical filtering net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100757943A CN100479902C (en) | 2006-05-09 | 2006-05-09 | Chemical filtering net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101069798A CN101069798A (en) | 2007-11-14 |
| CN100479902C true CN100479902C (en) | 2009-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100757943A Active CN100479902C (en) | 2006-05-09 | 2006-05-09 | Chemical filtering net |
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| CN (1) | CN100479902C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828999B (en) * | 2012-09-19 | 2015-09-23 | 亚翔系统集成科技（苏州）股份有限公司 | Blower fan filtering unit |
| CN111420473A (en) * | 2019-01-09 | 2020-07-17 | 王子控股株式会社 | Air filter |
| TWI728943B (en) * | 2020-12-21 | 2021-05-21 | 濾能股份有限公司 | Filter mesh frame, filter mesh structure and method for using the same |
| CN118794828A (en) * | 2024-09-10 | 2024-10-18 | 四川大学 | Ice-soil mixture erosion tester and test method |
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2006
- 2006-05-09 CN CNB2006100757943A patent/CN100479902C/en active Active
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| CN101069798A (en) | 2007-11-14 |
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Address after: Fonda street Suzhou Industrial Park in Jiangsu province 215000 No. 33 Patentee after: L&K Engineering (Suzhou) Co., Ltd. Address before: Fonda street Suzhou Industrial Park in Jiangsu province 215000 No. 33 Patentee before: Engineering (Suzhou) Co., Ltd. |