CN107970703A - A kind of filtration apparatus for range hood - Google Patents
A kind of filtration apparatus for range hood Download PDFInfo
- Publication number
- CN107970703A CN107970703A CN201710392613.8A CN201710392613A CN107970703A CN 107970703 A CN107970703 A CN 107970703A CN 201710392613 A CN201710392613 A CN 201710392613A CN 107970703 A CN107970703 A CN 107970703A
- Authority
- CN
- China
- Prior art keywords
- web plate
- mesh
- layer web
- recess
- layer
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/103—Curved filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/60—Vertical arrangement
-
- 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 filtration apparatus for range hood, including spaced apart first layer web plate, second layer web plate and third layer web plate successively from the bottom to top, it is raised that first layer web plate includes multiple left and right spaced apart first, and multiple left and right spaced apart first recesses, the first mesh is offered in each first protrusion；Second layer web plate includes multiple left and right spaced apart second protrusions, and multiple left and right spaced apart second recesses, offers the second mesh in each second protrusion, the 3rd mesh is offered on each second recess；Third layer web plate includes multiple left and right spaced apart third protrusions, and multiple left and right spaced apart 3rd recesses, and the 4th mesh is offered on each 3rd recess；First layer web plate, the orthographic projection of second layer web plate and third layer web plate in same level have lap in junction and seamless.
Description
Technical field
The present invention relates to filtration apparatus, especially a kind of filtration apparatus for range hood.
Background technology
With the improvement of living standard, the raising to quality of the life requirement, range hood is cooked as exhaustion in family kitchen
The important electric appliance of oil smoke produced by timing, and be widely used in each family.The main problem that presently, there are is,
Range hood work when, substantial amounts of greasy dirt is easily accumulated in air passage by the oil smoke in air passage, due to formation greasy dirt viscosity compared with
Greatly, it is difficult to be discharged from the air outlet in air passage, corrosion of the greasy dirt to pipeline is caused, reduces the service life of range hood, at the same time
Improve the operation and maintenance cost of range hood, and another part then directly outer row, in oil smoke containing a large amount of carcinogenic substances and
Material of the particle more than pm2.5 produces considerable influence to environment.
In order to solve the problems, such as this, currently used way is the air inlet setting lampblack filter in range hood,
And it is more common in lampblack filter, it is by the way of two layers of filter plate, is subtracted by colliding with soot gas
The filtering to kitchen ventilator grease is realized in the effects such as speed, condensation.As disclosed in the Chinese patent of Application No. 200620062667.5
A kind of oil fume separator of smoke exhaust ventilator, including frame and fume retainer, upper fume retainer and lower fume retainer up and down interlock phase
To arrangement, air inlet, gas outlet and reflective gas channel are formed between upper and lower fume retainer, air inlet and gas outlet interlock cloth
Put, reflective gas channel connection air inlet and gas outlet；And for example the Chinese patent of Application No. 201320201333.1 discloses
A kind of cooking fume filtering plate, including opposite and spaced front and rear panels, foreboard be equipped with the multiple first openings, and first opens
The edge of mouth is respectively equipped with the front wing panel folded between front and rear panels, multiple second openings is provided with back plate, second opens
The edge of mouth is respectively equipped with the rear fender folded between front and rear panels, and arbitrary first opening and adjacent thereto second open
Mutually stagger between mouthful so as to be spaced between front wing panel and its adjacent rear fender at the first edge of opening and form connection
Air flue between the first opening and the second opening, the both ends of air flue form air-flow turning point respectively.
Above-mentioned lampblack filter, two filter plate is staggered to form turnover air-flow after all simply simply bending lead to
Road, oil smoke only need simple two changes to be flowed out backward from gas outlet, oil smoke is in air-flow after air inlet enters gas channel
Deflecting number is few in passage, i.e. the collision frequency of oil smoke and filter plate is less, and thus filter plate cannot preferably play expected
Condensation to oil smoke, the particulate matter in oil smoke still have major part to discharge gas channel with flue gas, adsorb in fume-exhausting
The air passage of machine is discharged in external environment condition, causes the corrosion to air duct of range hood or the harmful effect to environment.
Also a kind of filtration apparatus, a kind of smoke exhaust ventilator as disclosed in the Chinese patent of Application No. 200520035541.4
Oil fume separation plate, is tabular, is made of for totally three layers surface layer, intermediate layer, inner layer, has interval between three layers, offered on surface layer
The 3rd mesh one of drawing, intermediate layer offer the 3rd mesh two of drawing, the 3rd mesh three of drawing, drawing the 3rd are offered on inner layer
Mesh one, the 3rd mesh two of drawing and the 3rd mesh three of drawing are staggeredly located and communicate.
Above-mentioned this oil fume separation plate carries out the mode of Drawing Hole, stretchable holes resistance itself is larger, it is necessary to staggeredly Drawing Hole
Bending air passage is formed, this also means that the mesh in surface layer and intermediate layer interlocks, and the mesh of intermediate layer and inner layer interlocks, further
Form larger resistance.That is, this oil fume separation plate, can cause oil smoke larger windage, the wind of range hood is influenced
Amount, wind pressure, reduce fume-exhausting efficiency.
The content of the invention
The technical problems to be solved by the invention are in view of the above-mentioned problems of the prior art, providing a kind of raising oil smoke
The filtration apparatus for range hood of particulate matter removal ability and fume-exhausting efficiency.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of filtration apparatus for range hood,
Including spaced apart first layer web plate, second layer web plate and third layer web plate successively from the bottom to top, it is characterised in that：Described
It is raised in convex first and multiple left and right spaced apart that one layer of web plate includes multiple left and right spaced apart sections
Section is in that described first raised and the first recess interlaced arrangement is so as to form corrugated first layer net to the first recessed recess
Plate, offers the first mesh in each first protrusion；The second layer web plate include multiple left and right spaced apart sections be in
Convex second is raised, and multiple left and right spaced apart sections are in the second recessed recess, and described second is raised and the
Two recess interlaced arrangements offer the second mesh, Mei Ge so as to form corrugated second layer web plate in each second protrusion
The 3rd mesh is offered on two recesses；The third layer web plate includes multiple left and right spaced apart sections in convex the
Three is raised, and multiple left and right spaced apart sections are in be handed over to the 3rd recessed recess, the third protrusion and the 3rd recess
Mistake arrangement offers the 4th mesh so as to form corrugated third layer web plate on each 3rd recess；Above-mentioned each raised position
Corresponding, above-mentioned each recess location is corresponding；Second mesh is completely covered below third protrusion, first recess
It is completely covered below the 3rd mesh, so that the first layer web plate, second layer web plate and third layer web plate are same
Orthographic projection on horizontal plane has lap in junction and seamless.
Preferably, above-mentioned each raised and recess extends in front and rear direction, above-mentioned each mesh be it is multiple and
Arranged for interval in front and rear direction.
To reduce resistance, and increase chance of the oil smoke air-flow with the contact of each web plate, in front and rear direction, first layer net
First mesh of plate and the second mesh of second layer web plate interlock and partly overlap；In front and rear direction, second layer web plate
4th mesh of the 3rd mesh and third layer web plate interlocks and partly overlaps.
To cause windage and smoke particle contact area to reach optimal balance, the energy that best smoke particle removes is obtained
Power, the first layer web plate, second layer web plate and third layer web plate meet following conditions： Wherein a0 is the 3rd mesh
Spacing between one of upper end and the corresponding bottom of corresponding first mesh, a1 are the width of the first recess, a2 the
The width of one mesh；A3 is the width of the 3rd mesh, and a4 is the width of the second mesh, and a5 is the width of third protrusion；A6 is
Spacing between three raised one of upper end tangent lines and the corresponding bottom tangent line of corresponding second mesh.
For ease of the installation of each web plate, the edge of the first layer web plate has the flange upwardly extended, the second layer
Web plate and third layer web plate are placed in flange inner.
Compared with prior art, the advantage of the invention is that：All there are waveform, first every layer of net for the every layer of web plate used
The arcuate shape of plate is capable of providing effective area increase of the larger spatial area so as to web plate and oil smoke air flow contacts, so that net
The effective area in hole also increases, and secondly arc is more conducive to the circulation and contact filtration of gas；Mesh is common spatial hole, without
It is Drawing Hole, larger resistance will not be produced to the flowing of oil smoke air-flow；First layer web plate and second layer web plate, while exist and interlock
Not section form staggeredly；Similarly there are the form that alternation sum does not interlock, this cloth for second layer web plate and third layer web plate
The mode of putting can reduce resistance, and increase chance of the oil smoke air-flow with the contact of each web plate.
Brief description of the drawings
Fig. 1 is the structure diagram of the filtration apparatus embodiment of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the filtration apparatus embodiment of the present invention；
Fig. 3 is the top view of the filtration apparatus embodiment of the present invention；
Fig. 4 is that the filtration apparatus embodiment of the present invention hides the top view of first layer web plate；
Fig. 5 is the sectional view along A-A of Fig. 3；
Local I enlarged diagram that Fig. 6 is Fig. 5；
Fig. 7 is the B-B direction sectional view of Fig. 4；
Local II enlarged diagram that Fig. 8 is Fig. 7；
Fig. 9 is the section lines schematic diagram of Fig. 5.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
Referring to Fig. 1~Fig. 8, a kind of filtration apparatus for range hood, is arranged on the air inlet of range hood, including
One layer of web plate 1, second layer web plate 2 and third layer web plate 3.For ease of description, with what is entered below filtration apparatus in Fig. 1 for oil smoke
Direction.Above-mentioned first layer web plate 1, second layer web plate 2 and third layer web plate 3 arranged for interval successively from the bottom to top.
Wherein, the edge of first layer web plate 1 has the flange 11 upwardly extended, for installing second layer web plate 2 and the 3rd
Layer web plate 3, second layer web plate 2 and third layer web plate 3 can be placed in the inner side of flange 11.First layer web plate 1, second layer web plate 2 and
3 upper and lower arranged for interval of three-layer network plate, can be realized by being bent in each layer web edge.
First layer web plate 1 is in the first convex protrusion 12 including multiple left and right spaced apart sections, and it is multiple it is left,
The section of right septum arrangement is in the first recessed recess 13, the first protrusion 12 and 13 interlaced arrangement of the first recess, and first is convex
Rise 12 and first recess 13 extend in front and rear direction.The longitudinal cross-section of first protrusion 12 and the first recess 13 is arc,
Thus corrugated first layer web plate 1 is formed.Offered in each first protrusion 12 multiple spaced apart in front and rear direction
First mesh 14, the left and right both ends of the first mesh 14 extend to the left and right end of corresponding first protrusion 12.
Second layer web plate 2 is in the second convex protrusion 21 including multiple left and right spaced apart sections, and it is multiple it is left,
The section of right septum arrangement is in the second recessed recess 22, the second protrusion 21 and 22 interlaced arrangement of the second recess, and second is convex
Rise 21 and second recess 22 extend in front and rear direction.Second protrusion 21 is corresponding with first raised 12, the second recess 22 and the
Two recesses 13 correspond to.The longitudinal cross-section of second protrusion 21 and the second recess 22 is arc, thus forms the corrugated second layer
Web plate 2.Multiple the second mesh 23 spaced apart in front and rear direction, the second mesh 23 are offered in each second protrusion 21
Left and right both ends be located on the left and right end of corresponding second protrusion 21.Be further opened with each second recess 22 it is multiple
Spaced apart 3rd mesh 24 in front and rear direction, the left and right both ends of each 3rd mesh 24 are located at corresponding second recess
Under 22 left and right end, that is to say, that the second mesh 23 and the 3rd mesh 24 partly overlap in front and rear direction and
Apart from one another by without connecting.The orthographic projection of second mesh 23 and the first mesh 14 in the horizontal plane, in front and rear direction and left and right
Exist on direction and partly overlap.
Third layer web plate 3 is in convex third protrusion 31 including multiple left and right spaced apart sections, and it is multiple it is left,
The section of right septum arrangement is in the 3rd recessed recess 32,32 interlaced arrangement of third protrusion 31 and the 3rd recess, and the 3rd is convex
Rise 31 and the 3rd recess 32 extend in front and rear direction.Third protrusion 31 is corresponding with second the 21, first protrusion 12 of protrusion, the
Three recesses 32 are corresponding with the second recess 22, the second recess 13.The longitudinal cross-section of 31 and the 3rd recess 32 of third protrusion is arc
Shape, thus forms corrugated third layer web plate 3.Offered on each 3rd recess 32 and multiple cloth is spaced in front and rear direction
The 4th mesh 33 put, the left and right both ends of the 4th mesh 23 extend to the left and right end of corresponding 3rd recess 32.4th net
33 and second mesh 23 of hole is in the upward interlaced arrangement of upper and lower.
Referring to Fig. 3~Fig. 6, the first recess 13 of first layer web plate 1 is completely covered on the 3rd mesh of second layer web plate 2
24 lower sections, the second mesh 23 of second layer web plate 2 are completely covered below the third protrusion 31 of third layer web plate 3, so that the
One layer of web plate 1, the orthographic projection of second layer web plate 2 and third layer web plate 3 in same level have lap in junction
It is and seamless.And the orthographic projection of the orthographic projection of first layer web plate 1 and second layer web plate 2, second layer web plate 2 and third layer web plate 3
Allow the presence of projection gap, there are part for the first mesh 14 of first layer web plate 1 and the second mesh 23 of second layer web plate 2
Overlapping, in front and rear direction, the first mesh 14 and the second mesh 23 interlock and can overlap；Referring to Fig. 7 and Fig. 8,
3rd mesh 24 of second layer web plate 2 and the 4th mesh 33 of third layer web plate 3, which exist, to partly overlap, in front and rear direction, the
Three mesh 24 and the 4th mesh 33 interlock and can overlap, and on left and right direction, the 4th mesh 33 covers the 3rd net
Hole 24, the i.e. width of the 4th mesh 33 are more than the width of the 3rd mesh 24.
By above-mentioned three-layer network plate, the flow path of oil smoke is referring to shown in arrow in Fig. 6, and part oil smoke is from first layer net
After first mesh 14 of plate 1 enters filtration apparatus, the second mesh 23 above the first mesh 14 by, subsequent bending downwards again
The 4th mesh 33 above 23 both sides of the second mesh leaves filtration apparatus upwards, and remainder oil smoke is from first layer web plate 1
First mesh 14 enter filtration apparatus after, subsequent bending downwards again upwards the 3rd mesh 24 above 14 both sides of the first mesh to
On, until the 4th mesh 33 above the 3rd mesh 24 leaves filtration apparatus.Lines in Fig. 6 at each mesh arrow are each net
The entity lines of hole interval.
Referring to Fig. 9, between the corresponding bottom of one of upper end of the 3rd mesh 24 and corresponding first mesh 14
Spacing is a0；The width of first recess 13 of first layer web plate 1 is a1；The width of first mesh 14 of first layer web plate 1 is a2；
The width of 3rd mesh 24 of second layer web plate 2 is a3；The width of second mesh 23 of second layer web plate 2 is a4；Third layer net
The width of the third protrusion 31 of plate 3 is a5；One of upper end tangent line of the third protrusion 31 of third layer web plate 3 and corresponding the
The 23 corresponding bottom tangent line of the second mesh of two layers of web plate 2 is parallel and spacing between the two is a6, width refer both to it is left,
Size in right direction.To cause windage and smoke particle contact area to reach optimal balance, obtain best smoke particle and go
The ability removed, above-mentioned parameter meet following condition：
Using the above scheme, all there are waveform, the arcuate shape of every layer first web plate to carry for every layer of web plate of use
For larger spatial area so as to the effective area increase of web plate and oil smoke air flow contacts, so that the effective area of mesh also increases
Add, secondly arc is more conducive to the circulation and contact filtration of gas；Mesh is common spatial hole, rather than Drawing Hole, will not be right
The flowing of oil smoke air-flow produces larger resistance.
First layer web plate 1 and second layer web plate 2, while the section form there are alternation sum not staggeredly；Second layer web plate 2
Similarly the form there are alternation sum not staggeredly, this arrangement can reduce resistance, and increase cooking fume with third layer web plate 3
Flow the chance with the contact of each web plate.
Claims (5)
1. a kind of filtration apparatus for range hood, including spaced apart first layer web plate (1), second successively from the bottom to top
Layer web plate (2) and third layer web plate (3), it is characterised in that：
The first layer web plate (1) includes multiple left and right spaced apart sections in convex first raised (12), Yi Jiduo
A left and right spaced apart section is in be handed over to recessed the first recess (13), described first raised (12) and the first recess (13)
Mistake arrangement offers the first mesh (14) so as to form corrugated first layer web plate (1) on each first raised (12)；
The second layer web plate (2) includes multiple left and right spaced apart sections in convex second raised (21), Yi Jiduo
A left and right spaced apart section is in be handed over to recessed the second recess (22), described second raised (21) and the second recess (22)
Mistake arrangement offers the second mesh (23), each so as to form corrugated second layer web plate (2) on each second raised (21)
The 3rd mesh (24) is offered on second recess (22)；
The third layer web plate (3) is in convex third protrusion (31) including multiple left and right spaced apart sections, Yi Jiduo
A left and right spaced apart section is in be handed over to the 3rd recessed recess (32), the third protrusion (31) and the 3rd recess (32)
Mistake arrangement offers the 4th mesh (33) so as to form corrugated third layer web plate (3) on each 3rd recess (32)；
Above-mentioned each raised position is corresponding, and above-mentioned each recess location is corresponding；
Second mesh (23) is completely covered below third protrusion (31), and first recess (13) is completely covered
Below 3rd mesh (24), so that the first layer web plate (1), second layer web plate (2) and third layer web plate (3) are same
Orthographic projection on horizontal plane has lap in junction and seamless.
2. it is used for the filtration apparatus of range hood as claimed in claim 1, it is characterised in that：Above-mentioned each raised and recess exists
Extend in front and rear direction, above-mentioned each mesh is multiple and the arranged for interval in front and rear direction.
3. it is used for the filtration apparatus of range hood as claimed in claim 2, it is characterised in that：In front and rear direction, first layer
The first mesh (14) of web plate (1) and the second mesh (23) of second layer web plate (2) interlock and partly overlap；In front and rear direction
On, the 3rd mesh (24) of second layer web plate (2) and the 4th mesh (33) of third layer web plate (3) interlock and partly overlap.
4. such as the filtration apparatus according to any one of claims 1 to 3 for range hood, it is characterised in that：Described first
Layer web plate (1), second layer web plate (2) and third layer web plate (3) meet following conditions： Wherein a0 is the 3rd mesh
(24) the spacing between one of upper end and the corresponding bottom of corresponding first mesh (14), a1 are the first recess (13)
Width, a2 be the first mesh (14) width；A3 is the width of the 3rd mesh (24), and a4 is the width of the second mesh (23),
A5 is the width of third protrusion (31)；A6 is one of upper end tangent line of third protrusion (31) and corresponding second mesh (23)
Spacing between the tangent line of corresponding bottom.
5. such as the filtration apparatus according to any one of claims 1 to 3 for range hood, it is characterised in that：Described first
The edge of layer web plate (1) has the flange (11) upwardly extended, and the second layer web plate (2) and third layer web plate (3) are placed in convex
On the inside of edge (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392613.8A CN107970703B (en) | 2017-05-27 | 2017-05-27 | Filter device for range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392613.8A CN107970703B (en) | 2017-05-27 | 2017-05-27 | Filter device for range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107970703A true CN107970703A (en) | 2018-05-01 |
| CN107970703B CN107970703B (en) | 2023-08-18 |
Family
ID=62012276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710392613.8A Active CN107970703B (en) | 2017-05-27 | 2017-05-27 | Filter device for range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107970703B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006274A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Filter screen assembly and range hood with same |
| CN117515560A (en) * | 2023-11-17 | 2024-02-06 | 江苏绿景环保设备有限公司 | Incinerator for precious metal recovery and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798164A (en) * | 2011-05-25 | 2012-11-28 | 刘海涛 | Manufacturing method of filter screen plate of range hood and product manufactured by method |
| CN102865613A (en) * | 2012-09-28 | 2013-01-09 | 常州大学 | Oil mist removal device for range hood |
| CN103127785A (en) * | 2011-11-28 | 2013-06-05 | 博西华电器（江苏）有限公司 | Lampblack filter device and kitchen ventilator |
| CN206837708U (en) * | 2017-05-27 | 2018-01-05 | 宁波方太厨具有限公司 | A kind of filter for range hood |
-
2017
- 2017-05-27 CN CN201710392613.8A patent/CN107970703B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798164A (en) * | 2011-05-25 | 2012-11-28 | 刘海涛 | Manufacturing method of filter screen plate of range hood and product manufactured by method |
| CN103127785A (en) * | 2011-11-28 | 2013-06-05 | 博西华电器（江苏）有限公司 | Lampblack filter device and kitchen ventilator |
| CN102865613A (en) * | 2012-09-28 | 2013-01-09 | 常州大学 | Oil mist removal device for range hood |
| CN206837708U (en) * | 2017-05-27 | 2018-01-05 | 宁波方太厨具有限公司 | A kind of filter for range hood |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006274A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Filter screen assembly and range hood with same |
| CN111006274B (en) * | 2020-01-03 | 2021-12-03 | 宁波方太厨具有限公司 | Filter screen assembly and range hood with same |
| CN117515560A (en) * | 2023-11-17 | 2024-02-06 | 江苏绿景环保设备有限公司 | Incinerator for precious metal recovery and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107970703B (en) | 2023-08-18 |
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