CN107930294A - A kind of lampblack filter with back-fire relief function - Google Patents
A kind of lampblack filter with back-fire relief function Download PDFInfo
- Publication number
- CN107930294A CN107930294A CN201711377878.7A CN201711377878A CN107930294A CN 107930294 A CN107930294 A CN 107930294A CN 201711377878 A CN201711377878 A CN 201711377878A CN 107930294 A CN107930294 A CN 107930294A
- Authority
- CN
- China
- Prior art keywords
- wave
- fire relief
- wave sheets
- filtration channel
- flame
- 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.)
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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
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0091—Including arrangements for environmental or personal protection
- B01D46/0093—Including arrangements for environmental or personal protection against fire or explosion
-
- 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
- B01D46/40—Particle separators, e.g. dust precipitators, using edge filters, i.e. using contiguous impervious surfaces
- B01D46/406—Particle separators, e.g. dust precipitators, using edge filters, i.e. using contiguous impervious surfaces of stacked bodies
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4218—Influencing the heat transfer which act passively, e.g. isolations, heat sinks, cooling ribs
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Ventilation (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of lampblack filter with back-fire relief function, filter screen including framework and arranged on framework inner cavity, filter screen includes the multilayer wave sheets of stacking, each layer of wave sheets include multiple arcs groove, straight piece is interspersed between two layers adjacent of wave sheets, straight to form multiple filtration channels between piece and each layer of adjacent wave sheets, independent mutually between filtration channel, the path of filtration channel matches with the shape of arcuate furrow.When flame rushes at filter screen, since filtration channel is than narrow, flame is divided into countless tiny flame by filter screen, on the one hand tiny flame carries out cold and hot exchange with filtration channel, filtration channel absorbs the energy of flame, on the other hand there occurs wall effect between tiny flame and filtration channel, cause the sharp temperature drop of tiny flame, when the temperature of tiny flame is dropped to below the ignition point of combustible substance, tiny flame will extinguish in filtration channel, therefore the present apparatus has the function of good back-fire relief.
Description
Technical field
The present invention relates to a kind of lampblack filter, refers in particular to a kind of lampblack filter with back-fire relief function.
Background technology
Lampblack filter is mainly used for purifying the oil smoke of kitchen discharge, avoids soot pollution environment.And due to kitchen ring
The particularity in border, lampblack filter not only need good filtering oil smoke effect, it is also desirable to have good back-fire relief function.
The Chinese patent of Application No. CN200920262589.7 discloses a kind of lampblack filter, it includes outline border,
The Corrugated filter net that polylith is mutually arranged side by side is provided with outline border, each corrugated part, which will form exhaust passage, can catch oil
Drop, therefore oil smoke good separating effect.However, due to interpenetrating between each exhaust passage, and formed between each exhaust passage
Gap is larger, and when flame is by these exhaust passages, complement each other oxygen between each exhaust passage, and the energy of flame loss is very
It is few, therefore these exhaust passages of scurrying out are easy to, bring hidden fire-fighting danger.
Therefore, it is necessary to a kind of lampblack filter with back-fire relief function is designed, to overcome the above problem.
The content of the invention
It is more the purpose of the present invention is being formed by interting straight piece between adjacent two layers wave sheets, between straight piece and wave sheets
A independent filtration channel, so that lampblack filter has the function of good back-fire relief.
For above-mentioned purpose, the present invention uses following technical scheme：
A kind of lampblack filter with back-fire relief function, including framework and the filter screen arranged on the framework inner cavity, it is described
Filter screen includes the multilayer wave sheets of stacking, and each layer wave sheets include multiple arcs groove, adjacent two layers ripple
Straight piece is interspersed between unrestrained piece, it is described directly to form multiple filtration channels between piece and adjacent each layer wave sheets, it is described
Independent mutually between filtration channel, the path of the filtration channel matches with the shape of the arcuate furrow.
Further, each layer wave sheets include multiple wave crests and multiple troughs, adjacent two layers wave sheets
Wave crest and trough are oppositely arranged, and the straight piece includes the first face and the second face being oppositely arranged, and first face is resisted against adjacent
One layer of wave sheets wave crest, second face is resisted against the trough of adjacent another layer wave sheets.
Further, the filter screen is equipped with an at least stent, and the straight piece and the wave sheets are equipped with described in confession
The perforation that stent passes through, the perforation of the wave sheets are located at the wave crest or the trough.
Further, at least one retainer is arranged between adjacent two layers wave sheets, the retainer is held in
Between the wave crest and the trough that are oppositely arranged.
Further, the first face of the straight piece and the second face are all provided with fluted, and the depth of the groove is less than the straight piece
Thickness, the wave sheets are welded in the groove.
Further, the direction of the arcuate furrow of adjacent two layers wave sheets is identical.
Further, the material of the framework is stainless steel, and the opposite sides of the framework is equipped with knob, the material of the knob
Matter is stainless steel.
Further, the framework is made of a U-frame and a cover board, and a knob is arranged on the U-frame, separately
One knob is arranged on the cover board.
Further, the wave sheets and the straight piece are stainless steel substrates or aluminium flake.
Further, the section of the filtration channel entrance is triangular in shape.
Beneficial effects of the present invention have：Straight piece is interspersed between two layers adjacent of wave sheets so that straight piece with it is adjacent every
Multiple filtration channels are formed between one layer of wave sheets, it is independent mutually between these filtration channels, do not penetrate through mutually, when flame rushed at
During strainer, since filtration channel is than narrow, flame is divided into countless tiny flame by filter screen, when these tiny flames lead to
When crossing filtration channel, the path that tiny flame passes through in filtration channel matches with the shape of arcuate furrow, tiny flame row
The path walked is elongated, and the contact area of tiny flame and filtration channel wall expands, and on the one hand tiny flame is carried out with filtration channel
Cold and hot exchange, filtration channel absorb the energy of flame, and on the other hand there occurs wall effect between tiny flame and filtration channel
Should, cause the sharp temperature drop of tiny flame, it is tiny when the temperature of tiny flame is dropped to below the ignition point of combustible substance
Flame will extinguish in filtration channel, therefore the present apparatus has the function of good back-fire relief.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is the schematic diagram of the framework of the present invention；
Fig. 4 is the exploded view of the framework of the present invention；
Fig. 5 is the schematic diagram of the wave sheets of the present invention；
Fig. 6 is the second embodiment of the present invention；
Fig. 7 is the third embodiment of the present invention.
Drawing reference numeral explanation：Framework 1；U-frame 11；Cover board 12；Filter screen 2；Wave sheets 21；Wave crest 211；Trough 212；Arc
Shape groove 213；Straight piece 22；First face 221；Second face 222；Knob 3；Filtration channel 4；Catch base 5；Stent 6；Retainer 7.
Embodiment
For ease of being better understood from the purpose of the present invention, structure, feature and effect etc., in conjunction with attached drawing and specific implementation
The invention will be further described for mode.
As shown in Figure 1, the present invention includes framework 1 and the filter screen 2 arranged on 1 inner cavity of framework.
As shown in Figure 3 and Figure 4, framework 1 is made of a U-frame 11 and a cover board 12, and cover board 12 is fixed on U-frame 11
Openend, so as to form a complete framework 1.In the present embodiment, the material of framework 1 is stainless steel, i.e. U-frame 11 and lid
The material of plate 12 is stainless steel, framework 1 is had preferable structural strength, but also have rustless property.
The opposite sides of framework 1 is equipped with knob 3, and knob 3 can be rotated around catch base 5, and catch base 5 is fixed on framework 1 by blind rivet staking.
One knob 3 is arranged on U-frame 11, another knob 3 is arranged on cover board 12.
As shown in Figure 1, Figure 2 with shown in Fig. 5, filter screen 2 includes the multilayer wave sheets 21 of stacking, and each layer of wave sheets 21 include more
A wave crest 211 and multiple troughs 212, in this example, the wave crest 211 and trough 212 of adjacent two layers of wave sheets 21 are oppositely arranged.
Each layer of wave sheets 21 include multiple arcs groove 213, are interspersed with straight piece 22 between adjacent two layers of wave sheets 21, straight piece 22 with
Form multiple filtration channels 4 between each layer of adjacent wave sheets 21, independent mutually between filtration channel 4, i.e. each filtering
Passage 4 is all an independent passage, is not penetrated through mutually.Straight piece 22 includes the first face 221 and the second face 222 being oppositely arranged, the
Simultaneously 221 wave crest 211 for being resisted against one layer of wave sheets 21, the second face 222 is resisted against the trough of another layer of adjacent wave sheets 21
212, so as to form two filtration channels 4 between each wave crest 211 and each trough 212 being oppositely arranged.Work as flame
When rushing at filter screen 2, since filtration channel 4 is than narrow, flame is cut into countless tiny flame by filter screen point 2, when these
When tiny flame is by filtration channel 4, path and the shape phase of arcuate furrow 213 that tiny flame passes through in filtration channel 4
It coincide, the path of tiny flame walking is elongated, and the contact area of tiny flame and filtration channel 4 expands, on the one hand tiny flame
With filtration channel 4 carry out it is cold and hot exchange, filtration channel 4 absorbs the energy of flame, on the other hand tiny flame and filtration channel 4
Between there occurs wall effect, cause the sharp temperature drop of tiny flame, when the temperature of tiny flame drops to combustible substance
When below ignition point, tiny flame will extinguish in filtration channel 4, therefore the present apparatus has the function of good back-fire relief.
In this example, the section of the entrance of filtration channel 4 is triangular in shape.The cross sectional shape of filtration channel 4 and arc ditch
The cross sectional shape of groove 213 matches.Before the straight straight piece 22 of piece 22 is not inserted, the section of the entrance of filtration channel 4 is in prismatic, and
Double-wedge section is compared, and triangular-section reduces the area in import section, not only has the function of good back-fire relief, but also make oil smoke
Obtain more fully filtering.
As shown in figure 5, arcuate furrow 213 is V-shaped, the oil droplet so facilitated filtering out along arcuate furrow 213 outward
Stream.The direction of the arcuate furrow 213 of adjacent two layers of wave sheets 21 is identical, although in this way, between adjacent two layers of wave sheets 21
There is the baffle of straight piece 22, but each layer of wave sheets 21 easily can drain oil droplet.
In order to strengthen the fastness of whole filter screen 2 and prevent from getting rusty, wave sheets 21 and straight piece 22 are not
Become rusty steel disc or aluminium flake.
Fig. 2 is the first embodiment of the present invention, and in the first embodiment, the first face 221 and the second face 222 of straight piece 22 are equal
Equipped with groove, the depth of groove is less than the thickness of straight piece 22, and wave sheets 21 are welded in the groove.
In the second example, filter screen 2 is equipped with an at least stent 6, and straight piece 22 and wave sheets 21 are equipped with for stent 6
The perforation passed through, the perforation of wave sheets are located at wave crest 211 or trough 212.
In the third embodiment, at least one retainer 7 is arranged between adjacent two layers of wave sheets 21, retainer 7 is detained
It is held between the wave crest 211 and trough 212 being oppositely arranged.
Above three embodiment is provided between straight piece 22 is fixed on two layers of wave sheets 21, prevents straight piece 22 from loosening,
The overall construction intensity of filter screen 2 can so be strengthened, strengthen the fastness of filter screen 2, prevent from going out between each layer wave sheets 21
Phenomena such as now loosening, shift, deforming, influences filter effect.Further, since filter screen 2 becomes a steady entirety, no
Need to strengthen fastness by way of the stacking number for increasing wave sheets 21 again, therefore can accordingly reduce the layer of wave sheets 21
Folded number, to shorten the length of framework 1, so can not only reduce production cost, moreover it is possible to reduce the occupancy body of lampblack filter
Product, to adapt to installation requirements different under actual conditions.
Detailed description above is only the explanation of the preferred embodiments of the invention, non-therefore the limitation present invention the scope of the claims,
So all, with this creation specification and diagramatic content institute, equivalence techniques changes for it, is both contained in the scope of the claims of this creation
It is interior.
Claims (10)
- A kind of 1. lampblack filter with back-fire relief function, it is characterised in that including：Framework and the mistake arranged on the framework inner cavity Strainer, the filter screen include the multilayer wave sheets of stacking, and each layer wave sheets include multiple arcs groove, and adjacent two It is interspersed with straight piece between the layer wave sheets, described straight that multiple filterings are formed between piece and adjacent each layer wave sheets is logical Road, independent mutually between the filtration channel, the path of the filtration channel matches with the shape of the arcuate furrow.
- A kind of 2. lampblack filter with back-fire relief function as claimed in claim 1, it is characterised in that：Each layer wave Piece includes multiple wave crests and multiple troughs, and the wave crest and trough of adjacent two layers wave sheets are oppositely arranged, the straight piece bag Including the first face and the second face being oppositely arranged, first face is resisted against the wave crest of one layer of adjacent wave sheets, and described Two faces are resisted against the trough of adjacent another layer wave sheets.
- A kind of 3. lampblack filter with back-fire relief function as claimed in claim 2, it is characterised in that：The filter screen is worn There is an at least stent, the straight piece and the wave sheets are equipped with the perforation passed through for the stent, and the wave sheets are worn Hole is located at the wave crest or the trough.
- A kind of 4. lampblack filter with back-fire relief function as claimed in claim 2, it is characterised in that：Described in adjacent two layers Be arranged with least one retainer between wave sheets, the retainer be held in the wave crest being oppositely arranged and the trough it Between.
- A kind of 5. lampblack filter with back-fire relief function as claimed in claim 1, it is characterised in that：The first of the straight piece Face and the second face are all provided with fluted, and the depth of the groove is less than the thickness of the straight piece, and the wave sheets are welded in described recessed Groove.
- A kind of 6. lampblack filter with back-fire relief function as claimed in claim 1, it is characterised in that：Described in adjacent two layers The direction of the arcuate furrow of wave sheets is identical.
- A kind of 7. lampblack filter with back-fire relief function as claimed in claim 1, it is characterised in that：The material of the framework For stainless steel, the opposite sides of the framework is equipped with knob, and the material of the knob is stainless steel.
- A kind of 8. lampblack filter with back-fire relief function as claimed in claim 7, it is characterised in that：The framework is by one U-frame and a cover board composition, a knob are arranged on the U-frame, another described knob is arranged on the cover board.
- A kind of 9. lampblack filter with back-fire relief function as claimed in claim 1, it is characterised in that：The wave sheets and institute It is stainless steel substrates or aluminium flake to state straight piece.
- A kind of 10. lampblack filter with back-fire relief function as claimed in claim 1, it is characterised in that：The filtration channel The section of entrance is triangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377878.7A CN107930294B (en) | 2017-12-19 | 2017-12-19 | Lampblack filtering device with fire-retarding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377878.7A CN107930294B (en) | 2017-12-19 | 2017-12-19 | Lampblack filtering device with fire-retarding function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107930294A true CN107930294A (en) | 2018-04-20 |
| CN107930294B CN107930294B (en) | 2023-08-15 |
Family
ID=61941286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711377878.7A Active CN107930294B (en) | 2017-12-19 | 2017-12-19 | Lampblack filtering device with fire-retarding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107930294B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316860A (en) * | 2018-12-17 | 2019-02-12 | 中山尚诚环保科技有限公司 | A kind of filter screen, filter device and preparation method thereof |
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| DE102010010024A1 (en) * | 2010-03-03 | 2011-09-08 | Alantum Europe Gmbh | Exhaust gas purification device for purification of exhaust gas of combustion engine, has winding made of two flat material layers placed together, which are respectively porous and permeable to exhaust gas |
| CN203017905U (en) * | 2012-09-11 | 2013-06-26 | 佛山市顺德区金磊环保科技有限公司 | Oil smoke filtering device |
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| CN204411953U (en) * | 2015-02-02 | 2015-06-24 | 陈美青 | Impurities in airflow separator |
| CN204438277U (en) * | 2015-01-19 | 2015-07-01 | 施金成 | Cooking fume filtering plate |
| CN206535342U (en) * | 2017-01-20 | 2017-10-03 | 睿力科技有限公司 | Air washing filter screen structure |
| CN107530613A (en) * | 2015-05-15 | 2018-01-02 | 日本剑桥过滤器株式会社 | High temperature filter |
| CN207769434U (en) * | 2017-12-19 | 2018-08-28 | 中山尚诚环保科技有限公司 | A kind of lampblack filter with back-fire relief function |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1173582A (en) * | 1996-03-29 | 1998-02-18 | 住友电气工业株式会社 | Particulate trap for diesel engine |
| JPH1085538A (en) * | 1996-09-11 | 1998-04-07 | Nittetsu Mining Co Ltd | Shaping of filter fiber sheet |
| WO2011059233A2 (en) * | 2009-11-10 | 2011-05-19 | 제주대학교 산학협력단 | Filter assembly and exhaust gas reducing device including same |
| DE102010010024A1 (en) * | 2010-03-03 | 2011-09-08 | Alantum Europe Gmbh | Exhaust gas purification device for purification of exhaust gas of combustion engine, has winding made of two flat material layers placed together, which are respectively porous and permeable to exhaust gas |
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| CN203469700U (en) * | 2013-05-28 | 2014-03-12 | 依柯卡特有限公司 | Tail gas treatment base body element |
| CN104190178A (en) * | 2014-08-27 | 2014-12-10 | 江苏永尚能源科技有限公司 | Filter net |
| CN204438277U (en) * | 2015-01-19 | 2015-07-01 | 施金成 | Cooking fume filtering plate |
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| CN206535342U (en) * | 2017-01-20 | 2017-10-03 | 睿力科技有限公司 | Air washing filter screen structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316860A (en) * | 2018-12-17 | 2019-02-12 | 中山尚诚环保科技有限公司 | A kind of filter screen, filter device and preparation method thereof |
| CN109316860B (en) * | 2018-12-17 | 2024-05-31 | 中山尚诚环保科技有限公司 | Filter screen, filter device and manufacturing method of filter screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107930294B (en) | 2023-08-15 |
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