CN104848276A - Oil fume removing apparatus - Google Patents
Oil fume removing apparatus Download PDFInfo
- Publication number
- CN104848276A CN104848276A CN201410053081.1A CN201410053081A CN104848276A CN 104848276 A CN104848276 A CN 104848276A CN 201410053081 A CN201410053081 A CN 201410053081A CN 104848276 A CN104848276 A CN 104848276A
- Authority
- CN
- China
- Prior art keywords
- riser
- air
- suction cover
- avertence flap
- removing apparatus
- 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
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- 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
Abstract
The invention relates to an oil fume removing apparatus, wherein a left vertical plate and a right vertical plate are respectively combined below the left side surface and the right side surface of a gas suction cover, a first vertical plate and a left deflecting plate bend and extend from the front end of the left vertical plate, the upper portion at the free end of the left deflecting plate bends rightward to form a left top plate, a second vertical plate and a right deflecting plate bend and extend from the front end of the right vertical plate, the upper portion at the free end of the right deflecting plate bends leftward to form a right top plate, the bottom surface of the gas suction cover is further provided with a strip left gas blowing groove and a strip right gas blowing groove, and the strip left gas blowing groove and the strip right gas blowing groove are respectively parallel to the top edges of the left top plate and the right top plate and respectively positioned at the rear ends of each top edge. With the oil fume removing apparatus, the upward gas suction can be performed at the gas suction port on the bottom surface of the gas suction cover, the air vortex below the gas suction cover is far away from the opening at the front end of the gas suction cover when the left gas blowing groove and the right gas blowing groove blow the gas downward, and the contaminants can be prevented from leaking out.
Description
Technical field
The present invention is about a kind of oil smoke removing apparatus, and espespecially one can effectively prevent pollutants from cooking fume from leaking, to be applicable to factory, laboratory and kitchen.
Background technology
Traditional smoke exhaust does not have too big difference with the top suction type air-suction cover being generally used for Work places.The bead of this type of smoke exhaust may be tabular, toward the screening canopy shape of lower arch or box-shaped, air entry may be then circular, square, rectangle or strip.This type of smoke exhaust is when air-breathing, and air and pollutant by below the stream periphery gas inlet cover of bead, can enter air entry, then drain into outdoor by conduit.Wherein, the air velocity close to air entry position is comparatively large, and the air velocity away from air entry position can increase along with the distance leaving air entry and decline fast.Therefore, in distance very short below air entry, namely air speed up become very little, makes suction force upwards not enough, as easy as rolling off a logly be subject to walking about from personnel, the impact of the rough air such as fan or cold air operation, allow the loss along with the flowing of rough air of oil smoke or pollutant.
When above-mentioned smoke exhaust is used in the environment that can produce high-temperature gas, although larger buoyancy effect can be produced because of the high temperature of stove fire, the speed of ascending air is increased, but the turbulent diffusion caused by high temperature and expansionary effect, then can allow pollutants from cooking fume be easy to by the forward and backward side of smoke exhaust and the outside dissipation of side.Therefore, general smoke exhaust often can strengthen suction to promote inspiratory capacity, but this kind of mode not only can increase noise, waste energy, and cannot stop the phenomenon of leakage completely.
For the problems referred to above, common ameliorative way is as shown in Figure 8, sets up baffle plate respectively in the left and right sides of smoke exhaust a and rear.But, when reality uses, the boundary layer of air-flow is easily separated in the leading edge of biside plate b and produces large reflux bulb c respectively, this large reflux bulb c can by pollutants from cooking fume volume near the leading edge of biside plate b, and leaked by molecular diffusion and turbulent diffusion, or be subject to the impact of environmental perturbation air-flow and rolled out in external environment.At the bead d of smoke exhaust a and the intersection of side plate b, due to the impact of three-dismensional effect, complicated three-dimensional eddy current and strong turbulent flow can be produced, pollutant can be rolled up the intersection to the bead d of smoke exhaust a and side plate b equally and cause leakage.Therefore, the simple left and right sides at smoke exhaust a increases the mode of side plate b respectively, cannot reach the effect of Leakage prevention completely.
Summary of the invention
In view of this, in order to provide a kind of structure being different from prior art, and improve the shortcoming of said structure, inventor amasss experience for many years and constantly researches and develops improvement, then has generation of the present invention.
One object of the present invention is to provide a kind of oil smoke removing apparatus being respectively equipped with first, second riser and left and right deflection plate by the front end at left and right riser, so that the side plate leading edge that can solve existing smoke exhaust easily produces the problem of large reflux bulb, and large reflux bulb can be allowed away near the leading edge of side plate, leak to prevent pollutant.
Another object of the present invention is that providing a kind of is respectively equipped with left and right deflection plate by the front end at left and right riser, left and right top board is respectively equipped with on the top of left and right deflection plate, and the oil smoke removing apparatus of left and right blowing groove is provided with in the bottom surface of air-suction cover, so that the intersection of the bead and side plate that can solve existing smoke exhaust produces three-dimensional eddy current and strong turbulent problem, and vortex can be allowed away from the opening of oil smoke removing apparatus front end, leak to prevent pollutant.
For reaching the object of foregoing invention, a kind of oil smoke removing apparatus set by the present invention comprises an air-suction cover, a left riser and a right riser.Wherein, the bottom surface of this air-suction cover is provided with at least one bleeding point, and bleeding point connects an air extractor, for upwards bleeding, this left side, right riser is incorporated into the left surface of air-suction cover and the below of right flank respectively, air-suction cover, an accommodation space is formed between left riser and right riser, air-suction cover, left riser and right riser are defined as front end near one side of user or one side, oppositely and be defined as rear end away from one side of user or one side, user towards air-suction cover, when left riser and right riser, define left side and right side, its main technical characterstic is: the front end of left riser is to right back bending extension one left avertence flap, left avertence flap is uprightly fixed in accommodation space, and between left avertence flap and left plate, form one first angle, and left avertence flap away from left riser front end while be defined as the free end of left avertence flap, the top of the free end of left avertence flap bends a left roof to the right with the direction away from left riser, and the front end of this right riser is to left back bending extension one right avertence flap, right avertence flap is uprightly fixed in accommodation space, and forms one second angle between right avertence flap and right plate, and right avertence flap away from right riser front end while be defined as the free end of right avertence flap, the top of the free end of right avertence flap bends a right top board left with the direction away from right riser, has one first interval between right top board and left roof, separately, the bottom surface of air-suction cover is provided with respectively to lower air blowing and is the left blowing groove of strip and right blowing groove respectively, left blowing groove is parallel with the top margin of left roof and be positioned at the rear end of this top margin, right blowing groove is parallel with the top margin of right top board and be positioned at the rear end of this top margin, and left blowing groove and the linearly arrangement of right blowing groove there is one second interval, the distance at the second interval is shorter than the distance at the first interval.
During enforcement, the present invention more comprises one first riser and one second riser, and the first riser bends extension left by the front end of left riser, and the second riser bends extension to the right by the front end of right riser.
During enforcement, the angle opening of the first angle and the second angle is distinguished backwards, and the angle of the first angle and the second angle difference circle is between 20 degree to 70 degree.
During enforcement, the present invention more comprises one first guide plate and one second guide plate, wherein, the first guide plate by the free end of left avertence flap to bend left close to the direction of left riser, the second guide plate by the free end of right avertence flap to bend to the right close to the direction of right riser.
During enforcement, left roof and right top board are symmetrical, and left roof one end that direction extends to the right is no more than the left side edge of bleeding point, and right top board one end that direction extends to the left is no more than the right side edge of bleeding point.
During enforcement, left roof and right top board are respectively del plate.
For understanding the present invention further, below lifting preferred embodiment, coordinating accompanying drawing, figure number, concrete constitution content of the present invention and effect of reaching thereof are described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the three-dimensional appearance schematic diagram of preferred embodiment of the present invention.
Fig. 2 is the schematic top plan view of preferred embodiment of the present invention.
Fig. 3 is the front elevational schematic of preferred embodiment of the present invention.
Fig. 4 ~ 7 are the using state figure of preferred embodiment of the present invention.
Fig. 8 is the using state figure of existing smoke exhaust.
[symbol description]
Oil smoke removing apparatus 1 air-suction cover 2
Bleeding point 21 exhaust outlet 22
The right blowing groove 24 of left blowing groove 23
The left riser 3 of accommodation space 25
First riser 31 left avertence flap 32
Left roof 33 top margin 331,431
The right riser 4 of first guide plate 34
Second riser 41 right avertence flap 42
Right top board 43 second guide plate 44
First interval W1 second interval W2
First angle theta 1 second angle theta 2
Little reflux bulb A, A ' vortex B, B ', C, C '
Smoke exhaust a side plate b
Large reflux bulb c bead d.
Detailed description of the invention
Refer to shown in Fig. 1 ~ 3, its preferred embodiment being oil smoke removing apparatus 1 of the present invention, comprises air-suction cover 2, one left riser 3,1 first riser 31, left avertence flap 32, left roof 33,1 first guide plate 34, right riser 4,1 second riser 41, right avertence flap 42, right top board 43 and one second guide plate 44.Wherein, air-suction cover 2, left riser 3 and right riser 4 are defined as front end near one side of user or one side, oppositely and be defined as rear end away from one side of user or one side, simultaneously when user is towards air-suction cover 2, left riser 3 and right riser 4, left side and right side is defined.
The bottom surface of this air-suction cover 2 is provided with a downward opening bleeding point 21, and bleeding point 21 outline is long and narrow oblong-shaped, and the long end of thin-and-long bleeding point 21 is parallel with the rear end face of air-suction cover 2.During enforcement, the bleeding point 21 bottom air-suction cover 2 also can be set to more than one or two, and rounded, square or rectangle.And the top of air-suction cover 2 has an exhaust outlet 22, exhaust outlet 22 connects the air extractor of such as air blast and so on, with when air extractor operates, is upwards bled by bleeding point 22, and discharges outdoor.Separately, the bottom surface of air-suction cover 2 is provided with left blowing groove 23 respectively in strip and right blowing groove 24, and left and right blowing groove (23,24) connects the exhaust apparatus of such as cross flow fan and so on to blow downwards.Left blowing groove 23 is parallel with the top margin 331 of left roof 33 and be positioned at the rear end of this top margin 331, right blowing groove 24 is parallel with the top margin 431 of right top board 43 and be positioned at the rear end of this top margin 431, and left blowing groove 23 and the linearly arrangement of right blowing groove 24 there is one second interval W2.
This left riser 3 and this right riser 4 are respectively a rectangular slab, left riser 3 and right riser 4 are incorporated into the left surface of air-suction cover 2 and the below of right flank respectively, an accommodation space 25 is formed, square one-tenth one opening before accommodation space 25 between air-suction cover 2, left riser 3 and right riser 4.
First riser 31, left avertence flap 32, second riser 41 and right avertence flap 42 are respectively a upright rectangular slab.Wherein, first riser 31 bends extension left by the front end of left riser 3, second riser 41 bends extension to the right by the front end of right riser 4, left avertence flap 32 bends extension by the front end of left riser 3 to right back, and be uprightly fixed in this accommodation space 25, now, angle circle of one first angle theta 1, first angle theta 1 is formed between left avertence flap 32 and left riser 3 between 20 degree to 70 degree.And right avertence flap 42 is symmetrical with left avertence flap 32, right avertence flap 42 bends extension by the front end of right riser 4 to left back, and be uprightly fixed in this accommodation space 25, angle circle of one second angle theta 2, first angle theta 2 is formed between 20 degree to 70 degree between right avertence flap 42 and right riser 4.
Above-mentioned left avertence flap 32 away from left riser 3 front end while be defined as the free end of left avertence flap 32, right avertence flap 42 is away from the free end being defined as right avertence flap 42 of right riser 4 front end.And this left roof 33 is with the del plate bent to the right away from the direction of left riser 3 by the top of the free end of left avertence flap 32, this right top board 43 is with the del plate bent left away from the direction of right riser 4 by the top of the free end of right avertence flap 42, and left roof 33 and right top board 43 symmetrical, left roof 33 length that direction extends to the right is no more than the left side edge of bleeding point 22, right top board 43 length that direction extends to the left is no more than the right side edge of bleeding point 22, there is between right top board 43 and left roof 33 one first interval W1, the distance of the first interval W1 is than the distance of the second interval W2.During enforcement, left roof 33 and right top board 43 also can be arc, rectangle or other shapes but have the plate body of diversion function equally.And the first guide plate 34 is by the free end of left avertence flap 32 with the riser bent left close to the direction of left riser 3, the second guide plate 44 is with the riser bent to the right close to the direction of right riser 4 by the free end of right avertence flap 42.
During enforcement, above-mentioned first riser 31, left avertence flap 32, left roof 33 and the first guide plate 34 are that independent lamellar body is combined into, this first riser 31, left avertence flap 32, left roof 33 and the first guide plate 34 also can be formed in one, and the second riser 41, right avertence flap 42, right top board 43 and the second guide plate 44 can be independent lamellar body is equally combined into, or be formed in one.
Whereby, as shown in Figure 4, when air extractor operates, upwards pollutants from cooking fume is sucked by bleeding point 22.In pumping process, air outside left riser 3 and right riser 4 is respectively by when sucking in accommodation space 25 by the opening below air-suction cover 2 near left riser 3 and right riser 4 front end, air-flow is respectively along the first riser 31, left avertence flap 32 and the second riser 41, right avertence flap 42 flows, flow boundary layer air is separated in the leading edge of left avertence flap 32 and right avertence flap 42 respectively, form a little reflux bulb (A respectively, A '), now, the length of left avertence flap 32 and right avertence flap 42 is allowed to be greater than little reflux bulb (A respectively, A ') length, then namely flow boundary layer air can against left avertence flap 32 and right avertence flap 42 flows backward again at the back segment of left avertence flap 32 and right avertence flap 42, finally leave at the back edge of left avertence flap 32 and right avertence flap 42, and form a vortex (B respectively, B ').These two vortexs (B, B ') are formed at the rear of left avertence flap 32 and right avertence flap 42 respectively, and from the opening below air-suction cover 2 quite away from, therefore, pollutants from cooking fume cannot pass through vortex (B, B ') again along the former path backflow entered, to avoid pollutants from cooking fume to external leakage.
As shown in Figure 5, for air-flow is respectively by the state of left roof 33 and right top board 43.Wherein, when air-flow is entered in accommodation space 25 with the intersection of left and right riser (3,4) by air-suction cover 2 respectively, due to the guiding of left roof 33 and right top board 43, namely the reflux bulb originally formed because of three-dismensional effect in fig. 8 can disappear, and allow air-flow flow along left roof 33 and right top board 43 respectively, finally leave at the back edge of left roof 33 and right top board 43, and form a vortex (C, C ') respectively, and this vortex (C, C ') away from the opening below air-suction cover 2.
As shown in Figure 6,7, because left and right blowing groove (23,24) lays respectively at the rear end of left and right top board (33,43), and the distance of the second interval W2 is shorter than the distance of the first interval W1, therefore, to be left by the back edge of left roof 33 and right top board 43 and the vortex formed respectively (C, C ') namely can be guided by the air of left and right blowing groove (23,24) blowout downwards, it is made to enter in bleeding point 21, to avoid pollutants from cooking fume through the intersection of air-suction cover 2 and left and right riser (3,4) to external leakage.Separately due to the guiding of the first guide plate 34 and the second guide plate 44, then the more effective effect reaching guiding of the air that left and right blowing groove (23,24) can be allowed downwards to blow out energy.
Therefore, the present invention has following advantage:
1, the present invention is respectively equipped with first, second riser and left and right deflection plate in the front end of left and right riser, therefore, can make to enter large reflux bulb in the accommodation space below air-suction cover away near the leading edge of side plate, to prevent air-flow along the former path backflow entered, and pollutants from cooking fume can be avoided to external leakage.
2, the present invention is respectively equipped with left and right deflection plate in the front end of left and right riser, left and right top board is respectively equipped with in the top of left and right deflection plate free end, and be provided with left and right blowing groove in the bottom surface of air-suction cover, therefore, effectively can eliminate three-dimensional eddy current and strong turbulent flow that air produces by the bead of oil smoke removing apparatus and the place, boundary of side plate, make generation away from the vortex of oil smoke removing apparatus front opening, and guiding enters in bleeding point, thus effectively prevent pollutants from cooking fume by former access path to external leakage.
In sum, according to content disclosed above, the present invention really can reach the object of expection, provides a kind of oil smoke removing apparatus that effectively can reduce pollutants from cooking fume dissipation, has the value that industry utilizes, and whence proposes application for a patent for invention in accordance with the law.
Claims (9)
1. an oil smoke removing apparatus, comprise an air-suction cover, a left riser and a right riser, the bottom surface of this air-suction cover is provided with at least one bleeding point, and this bleeding point connects an air extractor, for upwards bleeding; This left and right riser is incorporated into the left surface of this air-suction cover and the below of right flank respectively, forms an accommodation space between this air-suction cover, left riser and right riser; Wherein, this air-suction cover, left riser and right riser are defined as front end near one side of user or one side, oppositely and away from user's or one side be defined as rear end, when user is towards air-suction cover, left riser and right riser, define left side and right side, it is characterized in that:
The front end of this left riser is to right back bending extension one left avertence flap, and this left avertence flap is uprightly fixed in this accommodation space, and forms one first angle between this left avertence flap and this left plate; And this left avertence flap away from this left riser front end while be defined as the free end of this left avertence flap, the top of the free end of this left avertence flap bends a left roof to the right with the direction away from this left riser;
The front end of this right riser is to left back bending extension one right avertence flap, and this right avertence flap is uprightly fixed in this accommodation space, and forms one second angle between this right avertence flap and this right plate; And this right avertence flap away from this right riser front end while be defined as the free end of this right avertence flap, the top of the free end of this right avertence flap bends a right top board left with the direction away from this right riser, has one first interval between this right top board and this left roof; And
The bottom surface of this air-suction cover is provided with respectively to lower air blowing and respectively in a left blowing groove of strip and a right blowing groove, this left blowing groove is parallel with the top margin of this left roof and be positioned at the rear end of this top margin, this right blowing groove is parallel with the top margin of this right top board and be positioned at the rear end of this top margin, and this left blowing groove and the linearly arrangement of this right blowing groove there is one second interval, the distance at this second interval is shorter than the distance at this first interval.
2. oil smoke removing apparatus according to claim 1, is characterized in that: more comprise one first riser and one second riser, this first riser bends extension left by the front end of this left riser, and this second riser bends extension to the right by the front end of this right riser.
3. oil smoke removing apparatus according to claim 1, is characterized in that, backwards, and angle circle of this first angle is between 20 degree to 70 degree for the angle opening of this first angle.
4. oil smoke removing apparatus according to claim 3, is characterized in that, more comprises one first guide plate, this first guide plate by the free end of this left avertence flap to bend left close to the direction of this left riser.
5. oil smoke removing apparatus according to claim 1, is characterized in that, backwards, and angle circle of this second angle is between 20 degree to 70 degree for the angle opening of this second angle.
6. oil smoke removing apparatus according to claim 5, is characterized in that, more comprises one second guide plate, this second guide plate by the free end of this right avertence flap to bend to the right close to the direction of this right riser.
7. oil smoke removing apparatus according to claim 1, it is characterized in that, this left roof and this right top board symmetrical, and this left roof one end that direction extends to the right is no more than the left side edge of this bleeding point, this right top board one end that direction extends to the left is no more than the right side edge of this bleeding point.
8. oil smoke removing apparatus according to claim 1, is characterized in that, this left roof is del plate.
9. oil smoke removing apparatus according to claim 1, is characterized in that, this right top board is del plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053081.1A CN104848276B (en) | 2014-02-17 | 2014-02-17 | Oil smoke removing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053081.1A CN104848276B (en) | 2014-02-17 | 2014-02-17 | Oil smoke removing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104848276A true CN104848276A (en) | 2015-08-19 |
| CN104848276B CN104848276B (en) | 2018-06-19 |
Family
ID=53848122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410053081.1A Active CN104848276B (en) | 2014-02-17 | 2014-02-17 | Oil smoke removing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104848276B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458381A (en) * | 2017-02-21 | 2018-08-28 | 黄荣芳 | Double back absorption type smoke exhausts |
| CN108613235A (en) * | 2018-06-29 | 2018-10-02 | 姜泽圳 | A kind of pressure-vaccum drainage type kitchen ventilator |
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| CN102728592A (en) * | 2011-04-11 | 2012-10-17 | 黄荣芳 | Exhaust device with deflection plate |
| CN202613546U (en) * | 2012-04-24 | 2012-12-19 | 黄荣芳 | Smoke exhaust ventilator |
| CN203404826U (en) * | 2013-06-14 | 2014-01-22 | 陶忠宝 | Range hood with air curtain |
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| CN101598360A (en) * | 2008-06-06 | 2009-12-09 | 黄荣芳 | Pollutant discharge and use the double gas curtain oil fume extractor of this device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108458381A (en) * | 2017-02-21 | 2018-08-28 | 黄荣芳 | Double back absorption type smoke exhausts |
| CN108458381B (en) * | 2017-02-21 | 2019-11-05 | 黄荣芳 | Double back absorption type smoke exhausts |
| CN108613235A (en) * | 2018-06-29 | 2018-10-02 | 姜泽圳 | A kind of pressure-vaccum drainage type kitchen ventilator |
| CN108613235B (en) * | 2018-06-29 | 2024-03-29 | 姜泽圳 | Blowing-sucking drainage type range hood |
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|---|---|
| CN104848276B (en) | 2018-06-19 |
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