CN104896552B - A kind of centrifugal blower volute for lampblack absorber - Google Patents
A kind of centrifugal blower volute for lampblack absorber Download PDFInfo
- Publication number
- CN104896552B CN104896552B CN201510257259.9A CN201510257259A CN104896552B CN 104896552 B CN104896552 B CN 104896552B CN 201510257259 A CN201510257259 A CN 201510257259A CN 104896552 B CN104896552 B CN 104896552B
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- China
- Prior art keywords
- ring wall
- dividing plate
- air outlet
- air
- spiral case
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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 discloses a kind of centrifugal blower volute for lampblack absorber, including ring wall and the air outlet being formed in ring wall circumference, ring wall includes internal ring wall and external annulus, cooling circulation canal is formed between internal ring wall and external annulus, arranged for interval has multiple dividing plates in air outlet, air outlet is divided at least one main air flow passage by dividing plate, in hollow and be provided with refrigeration part in dividing plate, with air outlet adjacent end of the two ends of dividing plate respectively with cooling circulation canal connects, so that dividing plate and cooling circulation canal form the fluid passage of closing.By the passage that fluid circulation is formed in the ring wall of spiral case, and reduce the temperature of spiral case ring wall, increase the temperature difference between oil smoke and spiral case ring wall, so as to lift the oil smoke amount of ring wall interception, improve the grease separating degree of range hood, it is possible to decrease the oil smoke discharge amount of range hood, reduce the pollution to air, and resistance will not be caused to air-flow, can ensure that by the air quantity of spiral case during interception.
Description
Technical field
The present invention relates to lampblack absorber, especially a kind of centrifugal blower volute for lampblack absorber.
Background technology
Kitchen fumes cause a certain degree of atmosphere pollution, and current country calls energetically improves atmospheric condition, and lifting is inhaled
The filtering oil smoke ability of lampblack absorber is critically important.
Existing oil smoke Interception Technology, mainly there is two classes, and the first kind is to utilize filter screen, such as Application No.
A kind of novel cooking fume exhauster disclosed in 200610031989.8 Chinese patent application, including it is arranged on the exhausting at the top of body
Room, is arranged on the air channel of the inlet air plenum of underpart, connection inlet air plenum and wind chamber, is provided with for inhaling in air inlet and air channel
Echoed the screen pack of filtering fume；A kind of and for example oil suction disclosed in the Chinese patent application of Application No. 201310081090.2
The grease filtrating impeller of cigarette machine, including impeller, screen pack and attachment screw, by the affixed screen pack of attachment screw in the one of impeller
On end face.Equations of The Second Kind is then to utilize water smoke, a kind of oil pumping as disclosed in the Chinese patent application of Application No. 200710067266.8
Cigarette machine, Blower Housing has motor room, middle oil smoke suction chamber and fume purifying room, middle oil smoke suction chamber and fume purifying
Room connects, and water forms cascade and water smoke, the oil smoke in washing fume purifying room, the major part oil in oil smoke in fume purifying room
Dirty and smokeshade is combined into water with water particulate；And for example the Chinese patent application of Application No. 201510067265.8 is disclosed
A kind of smoke exhaust ventilator, including wind cabinet, smoking motor and smoking wind wheel are provided with the de- of de-oiling motor drive before smoking wind wheel
Oily impeller, de-oiling impeller is externally provided with two-sided screen pack, and the outer net of two-sided screen pack is provided with spray nozzle.
Above-mentioned these are provided with the lampblack absorber that oil smoke intercepts separating mechanism, either using filter screen or water smoke, can be to oil
Flue gas body produces resistance, and certain influence is thus formed to air quantity.
The content of the invention
The technical problems to be solved by the invention are directed to the problem that above-mentioned prior art is present, there is provided a kind of to improve simultaneously
The centrifugal blower volute for lampblack absorber of smoking efficiency and filtering oil smoke ability.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of centrifugal blower snail for lampblack absorber
Shell, including ring wall and the air outlet being formed in ring wall circumference, it is characterised in that：The ring wall includes internal ring wall and external annulus,
Cooling circulation canal is formed between the internal ring wall and external annulus, arranged for interval has multiple dividing plates in the air outlet, it is described every
The air outlet is divided at least one main air flow passage by plate, described in hollow and be provided with refrigeration part in the dividing plate
With the air outlet adjacent end of the two ends of dividing plate respectively with the cooling circulation canal connects, so that the dividing plate and cold
But circulation canal forms the fluid passage of closing.
To promote circulation of the air of cooling in fluid passage, the cooling circulation canal is near one end of the dividing plate
Inside it is provided with crossflow fan.
According to currently preferred one side, the refrigeration part is semiconductor chilling plate.Alternatively, refrigeration part
Can also be using mechanisms such as compression refrigeration, ejector refrigeration, coil pipe cooling, horizontal screw centrifuges.
Make follow-up further treatment for ease of collecting the outflow of the grease in spiral case, the bottom of the spiral case is formed with
It is communicated to the oil dripping mouth on the inside of the internal ring wall.
Compared with prior art, the advantage of the invention is that：By forming the passage of fluid circulation in the ring wall of spiral case, and
The temperature of spiral case ring wall is reduced, the temperature difference between oil smoke and spiral case ring wall can be increased, so as to lift the oil smoke amount of ring wall interception, carried
The grease separating degree of high oil absorption cigarette machine, it is possible to decrease the oil smoke discharge amount of range hood, reduces the pollution to air, and intercepting
During again will not cause resistance to air-flow, can ensure that by the air quantity of spiral case.
Brief description of the drawings
Fig. 1 is the schematic diagram (hiding local) of centrifugal blower volute of the invention；
Fig. 2 is the sectional view of centrifugal blower volute of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Referring to Fig. 1 and Fig. 2, a kind of centrifugal blower volute for lampblack absorber, spiral case is widely used in turbomachine field,
While playing collection, diffusion action, the effect of high temperature fluid is also intercepted with cooling.
The air outlet 9 that spiral case includes ring wall and is formed between ring wall circumference two ends, wherein, ring wall includes the He of internal ring wall 1
External annulus 2 (inside and outside refers to diametrically), thus form the cooling circulation canal 3 of ring-type between internal ring wall 1 and external annulus 2,
Centrifugal blower medium and high temperature oil smoke used for range hood is thrown to the internal ring wall 1 of spiral case by centrifugal force, with internal ring wall collision, condensation after quilt
Intercept on internal ring wall 1, therefore reduce the temperature difference that the temperature of internal ring wall 1 can increase between oil smoke and internal ring wall 1, so as to be lifted
The oil smoke amount that ring wall is intercepted, improves the grease separating degree of range hood, it is possible to decrease the oil smoke discharge amount of range hood, reduces to big
The pollution of gas.
Internal ring wall 1, external annulus 2 are annular in shape respectively and with certain width, between the two ends of internal ring wall 1, external annulus 2
Two ends between be respectively provided with interval, so as to be collectively forming the air outlet 9 of spiral case (with only have individual layer ring wall prior art in snail
Hull shape shape is identical), that is, cool down circulation canal 3 has breach in the circumferential, and the breach forms the air outlet 9 of spiral case.
There are multiple dividing plates 4 in the arranged for interval of air outlet 9 of spiral case, the space between the adjacent dividing plate 4 of each two is by air-out
Mouth 9 is divided into a main air flow passage 7 (main air flow passage 7 has at least one), for passing through for soot gas.Clearly to show
Show the structure in dividing plate 4 and cooling circulation canal 3, in Fig. 1, the part of dividing plate 4 and external annulus 2 is hidden.It is in dividing plate 4
It is hollow, semiconductor chilling plate 5 is provided with, what semiconductor chilling plate 5 can be adhesively fixed by argentiferous silica gel etc. is arranged on dividing plate 4
It is interior, surrounding air can be freezed when semiconductor chilling plate 5 connects 12V power supplys.In addition to both ends open, remainder is sealed dividing plate 4
Close, one end that one end of dividing plate 4 is adjacent with air outlet 9 with cooling circulation canal 3 is connected, and the other end and the cooling of dividing plate 4 are circulated
The other end connection adjacent with air outlet 9 of passage 3, that is to say, that the connection of dividing plate 4 cools down the adjacent with air outlet 9 of circulation canal 3
Two ends, the fluid passage of closing is consequently formed, so that cooling down circulation canal 3 can realize the circulation of fluid by dividing plate 4.
Cooling circulation canal 3 is provided with crossflow fan 6 in one end of dividing plate 4, and crossflow fan 6 has due to dividing plate 4
There is certain height, therefore, crossflow fan 6 has the larger entrance of width, and the less outlet of width.Semiconductor chilling plate
5 power are low, and crossflow fan 6 drives, and circulating current air quantity is high, condensation efficiency is high, and primary air non-resistance is influenceed.
The bottom of spiral case is formed with the oil dripping mouth 8 for being communicated to the inner side of internal ring wall 1.
Start crossflow fan 6, the cold air around semiconductor chilling plate 5 can be driven (empty by 5 pairs of surroundings of semiconductor chilling plate
Gas freezes and obtains) cooling circulation canal 3 is entered into by the passage of dividing plate 4, then in dividing plate 4 and 3 groups of circulation canal of cooling
Into fluid passage interior circulation (in Fig. 2 arrow be represent cold air flow direction), and then cause spiral case internal ring wall 1 cool down,
From the internal ring wall 1 that the soot gas of the outflow of main air flow passage 7 impinge upon cooling, under being intercepted by effective condensation, lasting
Under cold service, oil droplet is quickly formed, collected by the internal ring wall 1 of spiral case, the grease being condensed is presented liquid oil droplet, can more hold
Change places and flowed out by oil dripping mouth 8, so that can be for further processing.
Hereinbefore, means of the semiconductor semiconductor chilling plate 5 as air cooling, alternatively, refrigeration section are employed
Part can also be using mechanisms such as compression refrigeration, ejector refrigeration, coil pipe cooling, horizontal screw centrifuges.
Claims (3)
1. a kind of centrifugal blower volute for lampblack absorber, including ring wall and the air outlet (9) being formed in ring wall circumference, it is special
Levy and be：The ring wall includes internal ring wall (1) and external annulus (2), and cooling is formed between the internal ring wall (1) and external annulus (2)
Circulation canal (3), the interior arranged for interval of the air outlet (9) has multiple dividing plates (4), the dividing plate (4) by the air outlet (9) every
Into at least one main air flow passage (7), in hollow and be provided with refrigeration part, the two of the dividing plate (4) in the dividing plate (4)
End respectively with it is described cooling circulation canal (3) the end adjacent with the air outlet (9) connect so that the dividing plate (4) and
Cooling circulation canal (3) forms the fluid passage of closing, and the cooling circulation canal (3) is in one end of the dividing plate (4)
It is provided with crossflow fan (6).
2. the centrifugal blower volute of lampblack absorber is used for as claimed in claim 1, it is characterised in that：The refrigeration part is partly to lead
Body cooling piece (5).
3. the centrifugal blower volute of lampblack absorber is used for as claimed in claim 1, it is characterised in that：The bottom of the spiral case is formed
There is the oil dripping mouth (8) being communicated on the inside of the internal ring wall (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257259.9A CN104896552B (en) | 2015-05-20 | 2015-05-20 | A kind of centrifugal blower volute for lampblack absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257259.9A CN104896552B (en) | 2015-05-20 | 2015-05-20 | A kind of centrifugal blower volute for lampblack absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104896552A CN104896552A (en) | 2015-09-09 |
| CN104896552B true CN104896552B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510257259.9A Active CN104896552B (en) | 2015-05-20 | 2015-05-20 | A kind of centrifugal blower volute for lampblack absorber |
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| Country | Link |
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| CN (1) | CN104896552B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105827B (en) * | 2018-03-09 | 2021-05-14 | 西安智财全技术转移中心有限公司 | Filtering system of range hood |
| CN108194961B (en) * | 2018-03-09 | 2020-06-23 | 蔡海强 | Smoke exhaust system of range hood |
| CN112253543B (en) * | 2020-09-30 | 2022-04-15 | 宁波方太厨具有限公司 | Volute, centrifugal fan applying volute and range hood |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2615539Y (en) * | 2003-03-28 | 2004-05-12 | 张红彬 | Environment protection public-dining rooms and restaurants fumes removing machine |
| CN101718448A (en) * | 2009-12-31 | 2010-06-02 | 陈艺强 | Condensing range hood |
| CN204128022U (en) * | 2014-09-05 | 2015-01-28 | 宁波方太厨具有限公司 | A kind of oil-filtering apparatus and application have the range hood of this device |
| CN204678441U (en) * | 2015-05-20 | 2015-09-30 | 宁波方太厨具有限公司 | A kind of centrifugal blower volute for lampblack absorber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9160209B2 (en) * | 2011-12-30 | 2015-10-13 | Regal Beloit America, Inc. | Blower for downdraft cooking applications and associated method of use |
-
2015
- 2015-05-20 CN CN201510257259.9A patent/CN104896552B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2615539Y (en) * | 2003-03-28 | 2004-05-12 | 张红彬 | Environment protection public-dining rooms and restaurants fumes removing machine |
| CN101718448A (en) * | 2009-12-31 | 2010-06-02 | 陈艺强 | Condensing range hood |
| CN204128022U (en) * | 2014-09-05 | 2015-01-28 | 宁波方太厨具有限公司 | A kind of oil-filtering apparatus and application have the range hood of this device |
| CN204678441U (en) * | 2015-05-20 | 2015-09-30 | 宁波方太厨具有限公司 | A kind of centrifugal blower volute for lampblack absorber |
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| Publication number | Publication date |
|---|---|
| CN104896552A (en) | 2015-09-09 |
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