CN110152426A - A kind of dynamic filter - Google Patents
A kind of dynamic filter Download PDFInfo
- Publication number
- CN110152426A CN110152426A CN201910385459.0A CN201910385459A CN110152426A CN 110152426 A CN110152426 A CN 110152426A CN 201910385459 A CN201910385459 A CN 201910385459A CN 110152426 A CN110152426 A CN 110152426A
- Authority
- CN
- China
- Prior art keywords
- dynamic
- particulate matter
- cutting assembly
- filtering
- dynamic filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 239000013618 particulate matter Substances 0.000 claims abstract description 26
- 230000000712 assembly Effects 0.000 claims abstract description 21
- 238000000429 assembly Methods 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention discloses a kind of dynamic filters, it is characterized by: on the flow path of oil smoke, intercepting component for filtering the first particulate matter, the cutting assembly for filtering second of particulate matter and the filter assemblies for filtering the third particulate matter are sequentially arranged by upstream to downstream, three components are combined into the one driven by same power mechanism, and the partial size of the first described particulate matter, second of particulate matter and the third particulate matter is gradually reduced.Compared with prior art, the present invention has the advantages that being intercepted by three layers, cutting, filtering dynamic combined, it can be according to the size distribution of particle size range, using combined filtration, the method of stage purification, and then increase footprint, cutting speed, contact area, realize the filtering of full particle size range, the presence of previous stage improves the efficiency and service life of rear stage, and the air velocity distribution after ensuring to pass through from component is uniform, reduce flow losses in this way, so that entire filter device windage very little.
Description
Technical field
The present invention relates to fume purifier of fume, especially a kind of dynamic filter.
Background technique
The characteristics of vigorous fire quick-fried distinctive due to the Chinese way of cooking, cause oil smoke amount very big, and the partial size of smoke particle object
Range is very wide, and from several microns to tens micron, resident is cooked, is used for a long time, the kitchen ventilator inner accumulation for being is largely oily
Stain, the especially surface of blower fan system spiral case and impeller have accumulated a large amount of grease stain, so that performance declines, smoke absorption effect is not
Good, for restaurant unit, large-sized oil smoke natural subsidence is adsorbed on flue surfaces, easily causes the harm such as fire person and wealth
Safety is produced, small size particle excludes outdoor, influences nearby residents health and atmospheric environment.
At present for the filtering of smoke particle object, physical filtering means mainly static by metal mesh etc., filtering effect
Fruit is bad, and the air-flow too fast for wind speed, and effect is even more very little, or by the centrifugation Dynamic Separation of main air blower, but
It is the particulate matter for small particle, the scheme for solving to use pneumatic mode open and close smoke barrier of still having no idea is lacked there are following
Point: power device needs gas source, and pipeline leakage can generate noise, and movement travel control precision is not high, and the position positioning of closure is not
Standard causes oil smoke to flow backward, and the devices such as limit switch is needed to assist, and structure is complicated, higher cost.
Also there is a kind of device of dynamic filtration, a kind of use as disclosed in the Chinese patent application No. is 201811204857.X
In the dynamic oil network of kitchen ventilator, including wet end, wet end includes a plurality of spoke, and it includes curved for having at least partly spoke in a plurality of spoke
Song/folding part, direction bending/folding of the bending/folding part to close and/or separate driving device.But the Dropbox structure of single layer is difficult to needle
The particulate matter of full particle size range is preferably filtered.
Summary of the invention
The technical problem to be solved by the present invention is in view of the above-mentioned problems of the prior art, providing a kind of dynamic filtration
Device is able to achieve the filtering of full particle size range.
The technical scheme of the invention to solve the technical problem is: a kind of dynamic filter, it is characterised in that:
On the flow path of oil smoke, intercepting component for filtering the first particulate matter is sequentially arranged by upstream to downstream, is used for
The cutting assembly of second of particulate matter and the filter assemblies for filtering the third particulate matter are filtered, three components are combined by same
The one of one power mechanism driving, the partial size of the first described particulate matter, second of particulate matter and the third particulate matter gradually subtract
It is small.
To increase footprint, the intercepting component is in Dropbox structure, and is formed as to the direction far from cutting assembly
The hollow three-dimensional cone of protrusion.
Preferably, the intercepting component includes multiple metallic rods, and the diameter of the metallic rod is 5~15mm, each metallic rod
From being laterally away from the side of cutting assembly close to the one of cutting assembly while gradually gathering extension, to centre to constitute circular cone
Body.
In order to guarantee the efficiency intercepted, the number Z1 of the metallic rod and the revolving speed n of dynamic filter are closed in inverse proportion
System.
To increase cutting area, the cutting assembly is in Dropbox structure, and is formed as to the direction far from filter assemblies
The hollow three-dimensional cone of protrusion.
Preferably, the cutting assembly includes multiple wires, and the diameter of the wire is less than 0.5mm, each wire
From being laterally away from the side of filter assemblies close to the one of filter assemblies while gradually gathering extension, to centre to constitute circular cone
Body.
In order to guarantee the efficiency of cutting, the number Z2 of the wire and the revolving speed n of dynamic filter are closed in inverse proportion
System.
In order to guarantee front end intercepting component outlet air velocity the uniformity into cutting assembly, the cutting group
Part and intercepting component are in parastate.
In order to enable intercepting component and cutting assembly form biggish interception cutting barrier, the dynamic filter has
Axis, the intercepting component and cutting assembly are Dropbox structure, and the intercepting component and cutting assembly hang down with axis
Projection in straight plane intermeshes without being overlapped.
Preferably, the filter assemblies are the HEPA net of planar structure.
To increase the contact area with smoke particle object, the filtering of small particle is realized, while flowing by the included of inside
Structure, so that the air velocity flowed through from filter assemblies becomes uniformly, the dynamic filter has axis, the HEPA net
Axial cross section be in shredded form.
Pass through distance to increase oil smoke, it is ensured that filter efficiency, the thickness h of the HEPA net and the revolving speed of dynamic filter
N is in inversely prroportional relationship.
Compared with the prior art, the advantages of the present invention are as follows: it is intercepted by three layers, cutting, filtering dynamic combined, it can basis
The size distribution of particle size range using combined filtration, the method for stage purification, and then increases footprint, cutting speed, connects
Contacting surface product, realizes that the filtering of full particle size range, the presence of previous stage improve the efficiency and service life of rear stage, rear stage is just
The air-flow that can be exported to previous stage combs, and the air velocity distribution after finally ensuring to pass through from component is uniformly, in this way
Reduce flow losses, and air-flow appropriate increases, so that entire dynamic filter windage very little.
Detailed description of the invention
Fig. 1 is that the filter device of the embodiment of the present invention applies the schematic diagram in centrifugal blower；
Fig. 2 is the schematic diagram of the filter device of the embodiment of the present invention；
Fig. 3 is the cross-sectional view of the filter device of the embodiment of the present invention；
Fig. 4 is the schematic diagram of the intercepting component of the filter device of the embodiment of the present invention；
Fig. 5 is the schematic diagram of the cutting assembly of the filter device of the embodiment of the present invention；
Fig. 6 is the schematic diagram of the filter assemblies of the filter device of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Referring to FIG. 1 to FIG. 6, a kind of dynamic filter 100, including intercepting component 1, cutting assembly 2 and filter assemblies 3.
On the flow path of oil smoke, above three component is sequentially arranged by upstream to downstream, and is combined into one, and has axis X.
Three components of dynamic filter by same outside power mechanism, as blower motor driven and rotate.For this purpose, can be by this
The dynamic filter of embodiment is welded on the air inlet of blower 200, connect with impeller.It is of course also possible to as independent
Individual driving motor is arranged in component.Dynamic filter uses the power or individual power of blower, and above-mentioned blocks
Component 1, cutting assembly 2 and filter assemblies 3 are cut all in synchronous rotation.
Intercepting component 1 is Dropbox structure, for filter the first particulate matter (large-size particles, partial size 10 microns with
On), the thicker three dimensional emission curved surface of use is raised to the separate direction of cutting assembly 2.When work, three dimensional emission curved surface and rotation
Turn cooperation, footprint is increased, by the filter type of dynamic interception, so that the first particulate matter is all intercepted.
In the present embodiment, it is preferred that use multiple diameters for the gold of 5~15mm (area for needing certain interception)
Belong to bar 11, each metallic rod 11 is constituted hollow three-dimensional cone (have three-dimensional circular cone emit curved surface), and each metallic rod 11 is by leaning on
The one of nearly cutting assembly 2 is laterally away from the side of cutting assembly 2 while gradually gathering extension to centre, to constitute cone.
The corresponding one end of each metallic rod 11 is located on same periphery, and the corresponding other end of each metallic rod 11 also is located at same circumference
On face, two peripheries are the face vertical with axis X.The number Z1 of metallic rod 11 and the revolving speed n of dynamic filter are in anti-
Proportionate relationship, when revolving speed n is smaller, in order to guarantee the efficiency intercepted, the number Z1 of metallic rod 11 is bigger.Preferably, revolving speed n
Range be 900~2000rpm, at this point, the range of the number Z1 of metallic rod 11 be 20~50.When soot gas passes through, lead to
Cross rotation, be equivalent to and form an interception barrier it is so that the particulate matter of bulky grain encounters surface, i.e., intercepted, then by from
Heart separation is thrown away.
Cutting assembly 2 is also Dropbox structure, and for filtering second of particulate matter, (medium grain, partial size is 2.5 microns~10
Micron), it is raised to the separate direction of filter assemblies 3 using thinner three dimensional emission curved surface.When work, rotation bring is utilized
Linear velocity increases cutting area by three-dimension curved surface, realizes that the cutting to particle separates.One cutting intercepts barrier, so that on
Remaining medium grain size particulate matter encounters surface after by-pass filtration, that is, is cut or intercepted, then is thrown away by centrifuge separation.
In the present embodiment, it is preferred that be less than 0.5mm (needing to meet the needs of cutting) using multiple ultra-fine, diameters
Wire 21, each wire 21 are constituted hollow three-dimensional cone (have three-dimensional circular cone emit curved surface), each wire 21 by
One close to filter assemblies 3 is laterally away from the side of filter assemblies 3 while gradually gathering extension to centre, to constitute circular cone
Body.The corresponding one end of each wire 21 is located on same periphery, and the corresponding other end of each wire 21 also is located at same
On periphery, two peripheries are the face vertical with axis X.Cutting assembly 2 extends into intercepting component 1.While in order to protect
The uniformity into cutting assembly 2 of the air velocity of the outlet of front end intercepting component is demonstrate,proved, cutting assembly 2 is in intercepting component 1
Parastate.Referring in parallel here, the cone that the inner surface and wire 21 for the cone that metallic rod 11 is constituted are constituted
It is parallel to each other between outer surface.The number Z2 of the wire 21 and revolving speed n of dynamic filter is in inversely prroportional relationship, as revolving speed n
When smaller, in order to guarantee the efficiency of cutting, the number Z2 of wire 21 is bigger.Preferably, the range of revolving speed n be 900~
The range of 2000rpm, the number Z2 of wire 21 are 60~120.When soot gas passes through, by rotation, it is equivalent to and forms
One cutting intercepts barrier so that remaining medium grain size particulate matter encounters surface after upper level filtering, that is, cut or by
It intercepts, then is thrown away by centrifuge separation.
In order to enable intercepting component 1 and cutting assembly 2 form biggish interception cutting barrier, the metallic rod of intercepting component 1
11 and the wire 21 of cutting assembly 2 intermesh with the projection on axis X vertical plane without Chong Die.
Filter assemblies 3 are preferably efficient HEPA net, are planar structure, vertical with the axis X of dynamic filter, are used for
The third particulate matter (little particle, partial size is at 2.5 microns or less) is filtered, first is that increasing and oil smoke by dynamically acting on
The contact area of grain object, realizes the filtering of small particle, can also by internal included current equalizing structure (following shredded forms),
So that becoming uniform from the air velocity that filter assemblies 3 flow through.
Preferably, in the present embodiment, the axial cross section of HEPA net is in shredded form, and the shape in three-dimensional space section is three
The form of angular wave.To reach same filter table area, the thickness h of filter assemblies 3 can reduce, and increase oil smoke
The path of process increases its collision probability with oil smoke, then throw away by centrifuge separation because of turning effort；Thickness h and dynamic
The relationship of the revolving speed n of state filter device is also inverse proportion, if revolving speed n is relatively high, thickness h is with regard to small, conversely, revolving speed n is low,
Then thickness h is big；The range of revolving speed n is 900~2000, and the range of thickness h is 20~60mm.It is possible thereby to increase oil smoke process
Path increases its collision probability with oil smoke, then throw away by centrifuge separation because of turning effort.
It is intercepted by above-mentioned three layers, cutting, filtering, it can be according to the size distribution of particle size range, using combined filtration, classification
The method of purification realizes the filtering of full particle size range.Using the combination of a variety of dynamic filtrations, and then increases footprint, cuts
Cut speed, contact area, the comprehensive filter effect of General Promotion.For from filter effect, the use of previous stage, filtering
The filter effect of rear stage is influenced, organic assembling in this way first filters big particulate matter, refilters medium grain, finally
Tiny particles content is filtered, the presence of previous stage improves the efficiency and service life of rear stage.For windage, previous stage filtering
Component separates air-flow under the action of dynamic rotary, and by the effect due to rotation acting, air-flow has certain increasing
Pressure, but exit flow has air-flow tail, the air-flow that rear stage can export previous stage combs, finally ensures
It is uniformly, to reduce flow losses in this way, and air-flow appropriate increases, so that whole from the air velocity distribution after component process
A dynamic filter windage very little.
Claims (12)
1. a kind of dynamic filter, it is characterised in that: on the flow path of oil smoke, be sequentially arranged by upstream to downstream useful
In filtering the intercepting component (1) of the first particulate matter, the cutting assembly (2) for filter second of particulate matter and for filtering the
The filter assemblies (3) of three kinds of particulate matters, three components are combined into the one driven by same power mechanism, the first described particle
The partial size of object, second of particulate matter and the third particulate matter is gradually reduced.
2. dynamic filter according to claim 1, it is characterised in that: the intercepting component (1) is in Dropbox structure, and
And be formed as the hollow three-dimensional cone raised to the separate direction of cutting assembly (2).
3. dynamic filter according to claim 2, it is characterised in that: the intercepting component (1) includes multiple metals
Bar (11), the diameter of the metallic rod (11) are 5~15mm, and each metallic rod (11) is from the side close to cutting assembly (2) to remote
Extensions gradually is gathered, to constitute cone to centre simultaneously in side from cutting assembly (2).
4. dynamic filter according to claim 3, it is characterised in that: the number Z1 and dynamic of the metallic rod (11)
The revolving speed n of filter device is in inversely prroportional relationship.
5. dynamic filter according to any one of claims 1 to 4, it is characterised in that: the cutting assembly (2) is in
Dropbox structure, and be formed as the hollow three-dimensional cone raised to the separate direction of filter assemblies (3).
6. dynamic filter according to claim 5, it is characterised in that: the cutting assembly (2) includes multiple metals
Silk (21), the diameter of the wire (21) are less than 0.5mm, and each wire (22) is from the side close to filter assemblies (3) to remote
Extensions gradually is gathered, to constitute cone to centre simultaneously in side from filter assemblies (3).
7. dynamic filter according to claim 6, it is characterised in that: the number Z2 and dynamic of the wire (21)
The revolving speed n of filter device is in inversely prroportional relationship.
8. dynamic filter according to claim 5, it is characterised in that: the cutting assembly (2) and intercepting component (1)
In parastate.
9. dynamic filter according to claim 1, it is characterised in that: the dynamic filter has axis (X),
The intercepting component (1) and cutting assembly (2) are Dropbox structure, and the intercepting component (1) and cutting assembly (2) with
Projection on axis (X) vertical plane intermeshes without being overlapped.
10. dynamic filter according to claim 1, it is characterised in that: the filter assemblies (3) are planar structure
HEPA net.
11. dynamic filter according to claim 10, it is characterised in that: the dynamic filter has axis
(X), the axial cross section of the HEPA net is in shredded form.
12. dynamic filter according to claim 11, it is characterised in that: the thickness h and dynamic mistake of the HEPA net
The revolving speed n for filtering device is in inversely prroportional relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910385459.0A CN110152426B (en) | 2019-05-09 | 2019-05-09 | Dynamic filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910385459.0A CN110152426B (en) | 2019-05-09 | 2019-05-09 | Dynamic filtering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110152426A true CN110152426A (en) | 2019-08-23 |
| CN110152426B CN110152426B (en) | 2024-01-23 |
Family
ID=67634025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910385459.0A Active CN110152426B (en) | 2019-05-09 | 2019-05-09 | Dynamic filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110152426B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4422042A1 (en) * | 1994-06-27 | 1996-01-11 | Lasercomb Laser Kombinations S | Filter assembly exhausts air through droplet cones and wetted hanging screens |
| US20060254426A1 (en) * | 2000-03-09 | 2006-11-16 | 3M Innovative Properties Company And Fleetguard, Inc. | High temperature nanofilter, system and method |
| CN203075773U (en) * | 2013-02-05 | 2013-07-24 | 李高众 | Rapid rotation type double-faced deoiling and air exhausting filter screen disc |
| CN203075772U (en) * | 2013-01-17 | 2013-07-24 | 李高众 | 360-degree steadily rotatable intercepting filter disk |
| CN203717466U (en) * | 2013-09-24 | 2014-07-16 | 成都前锋电子有限责任公司 | Wind wheel for range hood |
| CN205026767U (en) * | 2015-07-24 | 2016-02-10 | 黄耀栋 | Fume purifying device |
| CN106731552A (en) * | 2016-12-19 | 2017-05-31 | 江苏中建材环保研究院有限公司 | A kind of flue gas of glass melting furnace efficient denitrifying device |
| CN107243201A (en) * | 2017-07-13 | 2017-10-13 | 蔡志文 | Air cleaner modules and air purifier |
| CN207838500U (en) * | 2018-01-10 | 2018-09-11 | 林德祥 | Filter screen disk, multiple gas cleaning structure and smoke eliminator |
| CN207838502U (en) * | 2018-01-10 | 2018-09-11 | 林德祥 | Gas cleaning structure and smoke eliminator |
-
2019
- 2019-05-09 CN CN201910385459.0A patent/CN110152426B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4422042A1 (en) * | 1994-06-27 | 1996-01-11 | Lasercomb Laser Kombinations S | Filter assembly exhausts air through droplet cones and wetted hanging screens |
| US20060254426A1 (en) * | 2000-03-09 | 2006-11-16 | 3M Innovative Properties Company And Fleetguard, Inc. | High temperature nanofilter, system and method |
| CN203075772U (en) * | 2013-01-17 | 2013-07-24 | 李高众 | 360-degree steadily rotatable intercepting filter disk |
| CN203075773U (en) * | 2013-02-05 | 2013-07-24 | 李高众 | Rapid rotation type double-faced deoiling and air exhausting filter screen disc |
| CN203717466U (en) * | 2013-09-24 | 2014-07-16 | 成都前锋电子有限责任公司 | Wind wheel for range hood |
| CN205026767U (en) * | 2015-07-24 | 2016-02-10 | 黄耀栋 | Fume purifying device |
| CN106731552A (en) * | 2016-12-19 | 2017-05-31 | 江苏中建材环保研究院有限公司 | A kind of flue gas of glass melting furnace efficient denitrifying device |
| CN107243201A (en) * | 2017-07-13 | 2017-10-13 | 蔡志文 | Air cleaner modules and air purifier |
| CN207838500U (en) * | 2018-01-10 | 2018-09-11 | 林德祥 | Filter screen disk, multiple gas cleaning structure and smoke eliminator |
| CN207838502U (en) * | 2018-01-10 | 2018-09-11 | 林德祥 | Gas cleaning structure and smoke eliminator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110152426B (en) | 2024-01-23 |
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