CN107559917A - A kind of oil smoke road reverse-filling exhaust duct - Google Patents
A kind of oil smoke road reverse-filling exhaust duct Download PDFInfo
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- CN107559917A CN107559917A CN201710980072.0A CN201710980072A CN107559917A CN 107559917 A CN107559917 A CN 107559917A CN 201710980072 A CN201710980072 A CN 201710980072A CN 107559917 A CN107559917 A CN 107559917A
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Abstract
The invention discloses a kind of oil smoke road reverse-filling exhaust duct, including main channel, some first accessory channels and some second accessory channels, each first accessory channel and each second accessory channel are cirque structure, the left end of main channel is provided with oil smoke entrance, the right-hand member of main channel is provided with oil smoke outlet, the side of main channel offers some oil smoke mouths, wherein, one corresponding first accessory channel of oil smoke mouth or second accessory channel, each first accessory channel and each second accessory channel oil smoke mouth corresponding with main channel are connected, the exhaust duct can alleviate oil smoke and pour in down a chimney.
Description
Technical field
The present invention relates to a kind of exhaust duct, and in particular to a kind of oil smoke road reverse-filling exhaust duct.
Background technology
With the development and the improvement of people's living standards of society, in order to prevent from cooking caused fume pollution kitchen ring
Border, many families can install range hood in kitchen, siphon away the oil smoke in kitchen in cooking process.Existing high residential building
In kitchen ventilation road use common flue more, when this family range hood does not work, oil smoke in common flue easily by
The exhaust duct of range hood outlet, which pours in down a chimney, to be entered in residential households kitchen, the problem of taint of odour occurs.In order to prevent oil smoke from pouring in down a chimney,
Taste is returned, is effectively improved Kitchen hygiene environment, existing technical measures are that non-return valve gear is set at exhaust duct.Work as range hood
During normal work, check (non-return) valve is opened under the effect of air-flow；And when range hood does not work, check (non-return) valve is in Action of Gravity Field
Under be closed so as to prevent the oil smoke of common flue from pouring in down a chimney.But due to residential housing more and more higher, common flue operation
Operating mode becomes increasingly complex, and the pressure in flue is also increasing；On the other hand, with the growth of check (non-return) valve usage time, it is closed
It is also more and more weaker to close non-return performance, has had a strong impact on the normal air draft in exhausting-pipe for cooking fume exhauster road and only wind function, thus it is anxious
Need to design that a kind of can to alleviate the exhaust duct that oil smoke pours in down a chimney of crucial importance.
The content of the invention
The shortcomings that it is an object of the invention to overcome above-mentioned prior art, there is provided a kind of oil smoke road reverse-filling exhaust duct,
The exhaust duct can alleviate oil smoke and pour in down a chimney.
To reach above-mentioned purpose, oil smoke road reverse-filling exhaust duct of the present invention includes main channel, some first auxiliary
Passage and some second accessory channels, each first accessory channel and each second accessory channel are cirque structure, main channel
Left end is provided with oil smoke entrance, and the right-hand member of main channel is provided with oil smoke outlet, and the side of main channel offers some oil smoke mouths, its
In, corresponding first accessory channel of oil smoke mouth or second accessory channel, each first accessory channel and each second auxiliary
Passage oil smoke mouth corresponding with main channel is helped to be connected；
Each first accessory channel is connected the interior of inwall on the left of the accessory channel of opening position first and main channel with main channel
Angle between wall is α, each second accessory channel and the inwall on the left of the accessory channel of opening position second that main channel is connected with
Angle between the inwall of main channel is β, wherein, 0 ° of 90 ° of ＜ α ＜, 0 ° of 90 ° of ＜ β ＜；
Each first accessory channel is connected the interior of inwall on the right side of the accessory channel of opening position first and main channel with main channel
Angle between wall is θ, each second accessory channel and the inwall on the right side of the accessory channel of opening position second that main channel is connected with
Angle between the inwall of main channel is ρ, wherein, 90 ° of 180 ° of ＜ θ ＜, 90 ° of 180 ° of ＜ ρ ＜；
The oil smoke mouth being connected with each first accessory channel is located at the upper surface of main channel and is sequentially distributed vertically.
The oil smoke mouth being connected with each second accessory channel is located at the lower surface of main channel and is sequentially distributed vertically.
Branching block is provided with main channel, the cross section of branching block is to be spliced by the first triangle and the second triangle
Shape, wherein, the drift angle face oil smoke entrance of the first triangle, the drift angle face oil smoke outlet of the second triangle, and first
The drift angle of triangle is acute angle, and the drift angle of the second triangle is obtuse angle, what the first triangle and the second triangle circulated along oil smoke
Direction is sequentially distributed.
Piece second accessory channel of a piece first accessory channel face, main channel between adjacent two first accessory channels
Cross section gradually tapers up along the direction that oil smoke circulates.
The number of first accessory channel and the number of the second accessory channel are two.
Branching block is located between the first accessory channel of the leftmost side and the second accessory channel of the leftmost side.
The invention has the advantages that：
Oil smoke road reverse-filling exhaust duct of the present invention when range hood works, that is, works as oil smoke in concrete operations
During forward flow, because 0 ° of 90 ° of ＜ β ＜, 0 ° of 90 ° of ＜ α ＜, i.e. inwall on the left of the first accessory channel and the inwall of main channel are
Non- to seamlessly transit, the second accessory channel is non-smooth with inwall on the left of the accessory channel of opening position second that main channel is connected
Transition, therefore the oil smoke in main channel directly flows through main channel with certain speed, without entering the first accessory channel and
In two accessory channels；When range hood works, i.e., oil smoke reverse flow when, oil smoke enters master from the outlet of the oil smoke of main channel
In passage, due to 90 ° of 108 ° of ＜ θ ＜, 90 ° of 108 ° of ＜ ρ ＜, therefore inwall and the inwall of main channel on the right side of the first accessory channel
Seamlessly transit, the interior walls be smooth transition of inwall and main channel on the right side of the second accessory channel, therefore oil smoke divides in flow process
For two-way, wherein oil smoke flows in main channel all the way, another way is entered in the first accessory channel and the second accessory channel, by
It is cirque structure in the first accessory channel and the second accessory channel, therefore oil smoke is logical through the first accessory channel and the second auxiliary
Flow inversion changes behind road, is then reversely mixed with the oil smoke in main channel and interferes with each other obstruction, so as to alleviate oil smoke
Into in the oil smoke entrance of main pipeline, and then alleviate oil smoke and pour in down a chimney, simple in construction, easy to operate, applicability is extremely strong, can be effective
Solve the problems, such as the taint of odour and anti-taste that high residential building resident family lampblack-preventing pours in down a chimney and different home occurs in cooking process, improve house
Front yard kitchen environment and quality.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Schematic diagram when Fig. 2 is oil smoke forward flow；
Schematic diagram when Fig. 3 is oil smoke reverse flow.
Wherein, 1 it is main channel, 2 be the first accessory channel, 3 be the second accessory channel, 4 is branching block.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, oil smoke road reverse-filling exhaust duct of the present invention include main channel 1, some first accessory channels 2 and
Some second accessory channels 3, each first accessory channel 2 and each second accessory channel 3 are cirque structure, a left side for main channel 1
End is provided with oil smoke entrance, and the right-hand member of main channel 1 is provided with oil smoke outlet, and the side of main channel 1 offers some oil smoke mouths, its
In, corresponding first accessory channel 2 of oil smoke mouth or second accessory channel 3, each first accessory channel 2 and each second
The oil smoke mouth corresponding with main channel 1 of accessory channel 3 is connected；Each first accessory channel 2 is connected opening position with main channel 1
Angle between the inwall in the left side of one accessory channel 2 and the inwall of main channel 1 is α, each second accessory channel 3 and the phase of main channel 1
Angle between the inwall in the left side of the second accessory channel of opening position 3 and the inwall of main channel 1 of connection is β, wherein, 0 ° of ＜ α ＜
90 °, 0 ° of 90 ° of ＜ β ＜；Each first accessory channel 2 be connected with main channel 1 right side of the first accessory channel of opening position 2 inwall with
Angle between the inwall of main channel 1 is θ, the accessory channel of opening position second that each second accessory channel 3 is connected with main channel 1
Angle between the inwall on 3 right sides and the inwall of main channel 1 is ρ, wherein, 90 ° of 108 ° of ＜ θ ＜, 90 ° of 108 ° of ＜ ρ ＜；With each
The oil smoke mouth that one accessory channel 2 is connected is located at the upper surface of main channel 1 and is sequentially distributed vertically；With each second accessory channel
The 3 oil smoke mouths being connected are located at the lower surface of main channel 1 and are sequentially distributed vertically.
Branching block 4 is provided with main channel 1, the cross section of branching block 4 is to be spliced by the first triangle and the second triangle
The shape formed, wherein, the drift angle face oil smoke entrance of the first triangle, the drift angle face oil smoke outlet of the second triangle, and
The drift angle of first triangle is acute angle, and the drift angle of the second triangle is obtuse angle, the first triangle and the second triangle along oil smoke flow
Logical direction is sequentially distributed.
Piece second accessory channel 3 of piece 2 face of the first accessory channel is main logical between adjacent two first accessory channels 2
The cross section in road 1 gradually tapers up along the direction that oil smoke circulates；Branching block 4 is located at the first accessory channel 2 and the leftmost side of the leftmost side
The second accessory channel 3 between；The number of first accessory channel 2 and the number of the second accessory channel 3 are two, in actual behaviour
When making, the present invention can be used cooperatively with non-return valve, and effect can be more preferable.
The present invention operation principle be：
With reference to figure 2, when range hood works, i.e., oil smoke forward flow when, oil smoke entrance of the oil smoke from the left side of main channel 1
Enter in main channel 1, due to 0 ° of 90 ° of ＜ β ＜, 0 ° of 90 ° of ＜ α ＜, while main channel between adjacent two first accessory channels 2
1 cross section gradually tapers up along the direction that oil smoke circulates, and draws close the axis of flow direction to the main channel 1 of oil smoke, therefore oil
Cigarette, directly by main channel 1, can't be entered in the first accessory channel 2 and the second accessory channel 3 with certain flow velocity；With reference to
Fig. 3, when range hood does not work, i.e., when oil smoke reverse flow, due to 90 ° of 180 ° of ＜ θ ＜, 90 ° of 180 ° of ＜ ρ ＜, i.e.,
The inwall on the right side of one accessory channel 2 and the inner wall smooth transition of main channel 1, the inwall on the right side of the second accessory channel 3 and main channel 1
Inner wall smooth transition, simultaneously because the side that the cross section of main channel 1 is circulated along oil smoke between adjacent two first accessory channels 2
To gradually tapering up, so that the flow direction of oil smoke is gradually distance from the axis of main channel 1, and then a part of oil smoke is set to enter
In one accessory channel 2 and in the second accessory channel 3, because the first accessory channel 2 and the second accessory channel 3 are annular knot
Structure, therefore oil smoke flows in a ring in the first accessory channel 2 and the second accessory channel 3, changes the flow direction of oil smoke, so
Reversely mixed with the oil smoke in main channel 1 again afterwards and interfere with each other obstruction, so as to alleviate the oil smoke entrance that oil smoke enters main pipeline
In, and then alleviate oil smoke and pour in down a chimney.It is further to note that being provided with branching block 4 in main channel 1, the face oil smoke of branching block 4 goes out
The drift angle of mouthful side is obtuse angle, therefore makes the direction of oil smoke in main pipeline away from the axis of main pipeline, and the is entered so as to increase
Oil smoke flow in one accessory channel 2 and the second accessory channel 3.
Claims (7)
- A kind of 1. oil smoke road reverse-filling exhaust duct, it is characterised in that including main channel (1), some first accessory channels (2) and if Dry second accessory channel (3), each first accessory channel (2) and each second accessory channel (3) are cirque structure, main channel (1) left end is provided with oil smoke entrance, and the right-hand member of main channel (1) is provided with oil smoke outlet, main channel (1) if side offer Drier oil mouth, wherein, corresponding first accessory channel (2) of oil smoke mouth or second accessory channel (3), each first is auxiliary Passage (2) and each second accessory channel (3) oil smoke mouth corresponding with main channel (1) is helped to be connected；Each first accessory channel (2) is connected inwall and main channel on the left of the accessory channel of opening position first (2) with main channel (1) (1) the angle between inwall is α, the accessory channel of opening position second that each second accessory channel (3) is connected with main channel (1) (3) angle between the inwall of inwall and main channel (1) on the left of is β, wherein, 0 ° of 90 ° of ＜ α ＜, 0 ° of 90 ° of ＜ β ＜；Each first accessory channel (2) is connected inwall and main channel on the right side of the accessory channel of opening position first (2) with main channel (1) (1) the angle between inwall is θ, the accessory channel of opening position second that each second accessory channel (3) is connected with main channel (1) (3) angle between the inwall of inwall and main channel (1) on the right side of is ρ, wherein, 90 ° of 180 ° of ＜ θ ＜, 90 ° of 180 ° of ＜ ρ ＜.
- 2. oil smoke road reverse-filling exhaust duct according to claim 1, it is characterised in that with each first accessory channel (2) phase The oil smoke mouth of connection is located at the upper surface of main channel (1) and is sequentially distributed vertically.
- 3. oil smoke road reverse-filling exhaust duct according to claim 1, it is characterised in that with each second accessory channel (3) phase The oil smoke mouth of connection is located at the lower surface of main channel (1) and is sequentially distributed vertically.
- 4. oil smoke road reverse-filling exhaust duct according to claim 1, it is characterised in that be provided with shunting in main channel (1) Block (4), the cross section of branching block (4) they are the shape being spliced by the first triangle and the second triangle, wherein, the first triangle The drift angle face oil smoke entrance of shape, the drift angle face oil smoke outlet of the second triangle, and the drift angle of the first triangle is acute angle, the The drift angle of two triangles is that obtuse angle, the first triangle and the second triangle are sequentially distributed along the direction that oil smoke circulates.
- 5. oil smoke road reverse-filling exhaust duct according to claim 4, it is characterised in that first accessory channel (2) is just To second accessory channel (3), the cross section of main channel (1) is circulated along oil smoke between adjacent two first accessory channels (2) Direction gradually taper up.
- 6. oil smoke road reverse-filling exhaust duct according to claim 1, it is characterised in that the number of the first accessory channel (2) And second the number of accessory channel (3) be two.
- 7. oil smoke road reverse-filling exhaust duct according to claim 5, it is characterised in that branching block (4) is located at the leftmost side Between first accessory channel (2) and the second accessory channel (3) of the leftmost side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710980072.0A CN107559917B (en) | 2017-10-19 | 2017-10-19 | A kind of oil smoke road reverse-filling air-exhausting duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710980072.0A CN107559917B (en) | 2017-10-19 | 2017-10-19 | A kind of oil smoke road reverse-filling air-exhausting duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107559917A true CN107559917A (en) | 2018-01-09 |
| CN107559917B CN107559917B (en) | 2019-04-12 |
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ID=60986933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710980072.0A Active CN107559917B (en) | 2017-10-19 | 2017-10-19 | A kind of oil smoke road reverse-filling air-exhausting duct |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394083B1 (en) * | 2001-08-06 | 2002-05-28 | Gemini Stainless, Inc. | Adjustable ventilator cartridge filter |
| CN1514089A (en) * | 2003-07-17 | 2004-07-21 | 吴汉木 | Exhaust duct double speed change parts |
| CN201014613Y (en) * | 2007-01-09 | 2008-01-30 | 胡建立 | Simple fume extractor |
| CN201474262U (en) * | 2009-07-31 | 2010-05-19 | 洪永裕 | Double-hole exhaust passage used for floors |
| CN201954058U (en) * | 2011-03-16 | 2011-08-31 | 王震 | Odor tainting prevention check valve for range hood |
| CN102644997A (en) * | 2011-10-11 | 2012-08-22 | 漆一伟 | Air exchanger |
| CN202646803U (en) * | 2012-07-06 | 2013-01-02 | 方明新 | Adhesion-prevention sealing valve capable of preventing backdraught smoke and tainted odor of kitchen public exhaust duct |
| CN205717725U (en) * | 2016-06-28 | 2016-11-23 | 盐城大丰尊一环保科技有限公司 | Cooking fume removing exhauster |
-
2017
- 2017-10-19 CN CN201710980072.0A patent/CN107559917B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394083B1 (en) * | 2001-08-06 | 2002-05-28 | Gemini Stainless, Inc. | Adjustable ventilator cartridge filter |
| CN1514089A (en) * | 2003-07-17 | 2004-07-21 | 吴汉木 | Exhaust duct double speed change parts |
| CN201014613Y (en) * | 2007-01-09 | 2008-01-30 | 胡建立 | Simple fume extractor |
| CN201474262U (en) * | 2009-07-31 | 2010-05-19 | 洪永裕 | Double-hole exhaust passage used for floors |
| CN201954058U (en) * | 2011-03-16 | 2011-08-31 | 王震 | Odor tainting prevention check valve for range hood |
| CN102644997A (en) * | 2011-10-11 | 2012-08-22 | 漆一伟 | Air exchanger |
| CN202646803U (en) * | 2012-07-06 | 2013-01-02 | 方明新 | Adhesion-prevention sealing valve capable of preventing backdraught smoke and tainted odor of kitchen public exhaust duct |
| CN205717725U (en) * | 2016-06-28 | 2016-11-23 | 盐城大丰尊一环保科技有限公司 | Cooking fume removing exhauster |
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| Publication number | Publication date |
|---|---|
| CN107559917B (en) | 2019-04-12 |
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