CN103644587A - Cyclone for oil fume separation of range hood - Google Patents
Cyclone for oil fume separation of range hood Download PDFInfo
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- CN103644587A CN103644587A CN201310642686.XA CN201310642686A CN103644587A CN 103644587 A CN103644587 A CN 103644587A CN 201310642686 A CN201310642686 A CN 201310642686A CN 103644587 A CN103644587 A CN 103644587A
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- whirlwind cyclone
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Abstract
The invention discloses a cyclone for oil fume separation of a range hood. The cyclone comprises a body, wherein the body is in a hollow cylindrical structure of which the top end is closed and the radial size is gradually reduced from top to bottom; a bottom opening of the body is a bottom liquid outlet of the cyclone; an air inlet tangent to a side wall is formed in the side wall of the upper part of the body; a central air duct is inserted into the center of the top end of the body and is arranged coaxial with the body; a top opening of the central air duct is an air outlet of the cyclone; the cyclone is characterized in that the bottom end of the central air duct is lower than the bottom of the air inlet; the sectional area of the central air duct is S3; the area at the largest caliber part of the body is S2; S3/S2 is more than or equal to 0.05 and less than or equal to 0.3. The cyclone for oil fume separation of the range hood is simple in structure and convenient to process, enough air volume can be matched with a fan in the range hood, and the cyclone can be made into multiple forms and arrangement modes to be used in multiple range hoods of different sizes and purposes.
Description
Technical field
The present invention relates to a kind of Whirlwind cyclone structure, particularly relate to a kind of Whirlwind cyclone structure for the separation of lampblack absorber oil smoke.
Background technology
Lampblack absorber, as a kind of machine for kitchen use, is extensively used by most of families.Existing lampblack absorber is of a great variety, and configurations can be divided into European and Chinese style conventionally, or is divided into top air intake, side air intake and lower air intake etc. by air intake mode.No matter be the lampblack absorber of which type, generally include a housing, the below of this housing is an air inlet, the top of housing is an air outlet, is provided with volute of blower in housing, and the motor that turbine drives impeller is rotated is installed in spiral case.The below of described housing is typically provided with an exhaust fume collecting hood, on exhaust fume collecting hood, be provided with air inlet, in order to prevent oil smoke from entering range hood inside as far as possible, pollute volute of blower and the impeller in body, also prevent that oil smoke from entering atmosphere and affecting environment simultaneously as far as possible, existing lampblack absorber all can be equipped with lampblack filter at air inlet place, and the below of lampblack filter is provided with lubricating cup or the cooking fume-collecting of oil groove for this filter is filtered out.
Culinary art custom due to Chinese family, conventionally kitchen can produce very large oil smoke, therefore the lampblack filter of lampblack absorber is difficult for adopting too fine and closely woven mesh, more should not adopt the structure of the filter courses such as active carbon, otherwise, the greasy dirt filtering down easily stops up mesh, space and causes die-offing of lampblack absorber air quantity, and the oil smoke suction function of lampblack absorber is gone down greatly.So lampblack filter in lampblack absorber now, conventionally adopt two kinds of structures, the structure having compared with the individual layer of coarse mesh or double-layer filtering net, as disclosed in Chinese patent CN101701728B " lampblack filter of lampblack absorber " and Chinese patent CN2757895Y disclosed " a kind of novel kitchen ventilator filter screen device ".Another kind is the filter structure with perforate, as disclosed in Chinese patent CN02127958.6 " cooking fume filtering plate ", Chinese patent application CN200710067836.3 disclosed " a kind of lampblack filter of giving " and Chinese patent CN201488072U disclosed " a kind of range hood that is difficult for residual greasy dirt on filter " etc.
No matter be above-mentioned the first or the lampblack filter of the lampblack absorber of the second, all leave a very large problem, be the cleaning of lampblack filter and the cleaning problem of lampblack absorber.Although the cleaning frequency of above-mentioned the first structure is longer, oil smoke is still easily residual on screen pack causes the increase of windage and the reduction of fan delivery, and then affects the fume-exhausting performance of lampblack absorber.And for the second structure, although the cleaning of this lampblack filter itself has obtained good solution, the spiral case of lampblack absorber inside and blower fan, still easy residual oil smoke, in the course of time, causes the gathering of oil smoke on spiral case and blower fan.If cleaning can make the running of the blower fan of lampblack absorber be not so good as originally flexibly not in time, and then affect the air quantity of lampblack absorber, and oil smoke residual also caused very large noise problem, make user's kitchen environment suffer larger impact, and oil smoke in cleaning lampblack absorber, be again a very hard work, caused that user's is very inconvenient.Existing these lampblack absorbers in addition, through its air outlet, enter in the gas that then common flue be expelled to atmosphere, still contain a large amount of oil smoke, not only make oil smoke easily in the metope of building and flue, assemble, be unfavorable for cleaning, and oil smoke drains into atmosphere, also contaminated environment, affects the healthy of people.
In order to solve the problem of above-mentioned residual oil smoke, also have and in lampblack absorber, install anion flue gas removing device additional, static flue gas removing device etc., as disclosed in Chinese patent ZL201120225844.8 " range hood with function of purifying air in kitchen " and Chinese patent ZL201130443069.3 disclosed " static flue gas removing device of lampblack absorber ", these are all that device by other additional removal oil smoke makes the oil smoke that is expelled to atmosphere in lampblack absorber obtain filtration, purification, although some effect is better, but the cost of lampblack absorber and the volume of lampblack absorber have been increased unavoidably.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind ofly filters oil smoke effect better and is easy to be made into smaller size smaller for the Whirlwind cyclone of lampblack absorber oil smoke separation.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of Whirlwind cyclone for the separation of lampblack absorber oil smoke, comprise body, described body is a top closure, and the diminishing hollow barrel-type structure of radial dimension from top to bottom, the bottom end opening of described body is the bottom liquid outlet of described Whirlwind cyclone, the sidewall on the top of described body is provided with the air inlet tangent with this sidewall, one be inserted into described body top center and with the central airway of the coaxial setting of body, the open top of described central airway is the air outlet of described Whirlwind cyclone, it is characterized in that: the bottom of described central airway is lower than the bottom of described air inlet, the area of section of described central airway is S3, the area at described body maximum caliber place is S2, 0.05≤S3/S2≤0.3.Should be for the Whirlwind cyclone of lampblack absorber oil smoke separation, not only simple in structure, easy to process, and can ensure enough air outputs and mate with the blower fan in lampblack absorber, can make in a variety of forms and the arrangement mode lampblack absorber for the large small size of multiple difference, different purposes.
For the wind that makes to enter from air inlet is subject to the suppressing action of air inlet upper and lower end face, can in body, rotate well, one of them is downward-sloping inside from opening to body for the both ends of the surface up and down of described air inlet.
The outboard end of described air inlet is provided with chamfering.
The wind entering from air inlet in order to lead, the area of described air inlet is S1, the area at described body maximum caliber place is S2,0.05≤S1/S2≤0.3.
Preferably, the intrinsic length of the insertion of described central airway is A, and the total length of described body is B, 0.2≤A/B≤0.85.
In order to make the compact conformation of Whirlwind cyclone, efficiency is high, and preferably, the top of described body is cylinder, and bottom is circular cone.
Preferably, the length on the top of described body is C, and the total length of described body is B, 0.2≤C/B≤0.95.
As a preferred embodiment of Whirlwind cyclone of the present invention, described body is a cone.
In order to prevent that intrinsic soot gas from also just not flowing out from central airway before rotation, described central airway bottom forms a circle and outwards launches gradually from top to bottom the spigot surface extending.
Noise while working in order to reduce Whirlwind cyclone, also comprises at least one denoising structure.
Compared with prior art, the invention has the advantages that this is for the Whirlwind cyclone of lampblack absorber oil smoke separation, not only simple in structure, easy to process, and can ensure enough air outputs and mate with the blower fan in lampblack absorber, can make a variety of forms and arrangement mode for the large small size of multiple difference, in the lampblack absorber of different purposes, make the lampblack absorber with it there is extraordinary filtering oil smoke clean-up effect, can make the lampblack absorber with it avoid for a long time cleaning, person's easy to use use, and purified air, protection of the environment, more benefit the healthy of user.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the Whirlwind cyclone of first embodiment of the invention.
Fig. 2 is the cutaway view of the Whirlwind cyclone of first embodiment of the invention.
Fig. 3 is the schematic diagram of the Whirlwind cyclone of first embodiment of the invention.
Fig. 4 is the schematic perspective view of the Whirlwind cyclone of second embodiment of the invention.
Fig. 5 is the schematic perspective view of the Whirlwind cyclone of third embodiment of the invention.
Fig. 6 is the schematic perspective view of the Whirlwind cyclone of fourth embodiment of the invention.
Fig. 7 is the schematic perspective view of the Whirlwind cyclone of fifth embodiment of the invention.
Fig. 8 is the cutaway view of the Whirlwind cyclone of fifth embodiment of the invention.
Fig. 9 is the three-dimensional cutaway view of the Whirlwind cyclone of sixth embodiment of the invention.
Figure 10 is the three-dimensional cutaway view of other direction of the Whirlwind cyclone of sixth embodiment of the invention.
Figure 11 is the schematic diagram with the lampblack absorber of Whirlwind cyclone of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
The first embodiment of the Whirlwind cyclone for lampblack absorber fume-exhausting of the present invention, as Figure 1-3, it comprises body 1, the body 1 of described Whirlwind cyclone is a tubular construction for the diminishing hollow of radial dimension from top to bottom, the bottom of this body 1 has opening, this opening is the bottom liquid outlet 12 of Whirlwind cyclone, the top closure of this body 1, and its top is inserted with a central airway 2, at least part of insertion of described central airway 2 is positioned at body 1, this central airway 2 also can all be inserted and be positioned at body 1, and the open top of described central airway 2, this open top is the air outlet 22 of this Whirlwind cyclone, this air outlet 22 is not less than the top of described body 1.Described central airway 2 coaxially arranges with described body 1.On the sidewall on the top of this body 1, be provided with an air inlet 11 tangent with the sidewall of described body 1.The bottom of described central airway 2, lower than the bottom of described air inlet 11, so just can make the gas with oil smoke that enters Whirlwind cyclone from air inlet 11 in the body of Whirlwind cyclone, to backspin, turn over rather than directly to discharge from central airway 2.The width of described air inlet 11 is less than the sidewall on this body 1 top and the gap between central airway 2.The oil smoke of coming in from air inlet 11, sidewall along body 1 forms whirlwind, in body 1, rotate from top to bottom, in the process of rotation, oil smoke flows out from the bottom liquid outlet 12 of body 1 downwards, through the extraneous special oil collector sump tank arranging, collects, and clean air is upwards discharged from central airway 2, and body 1 from top to bottom radial dimension dwindle gradually, make the speed of more past bottom oil smoke rotation faster, make the separation of liquids and gases more rapidly thoroughly.Filter thus oil smoke and cleaned air, play the effect of Oil-gas Separation.This Whirlwind cyclone can be a plurality of side by side or series connection arrange, form a lampblack filter, be located at the air inlet place of lampblack absorber, and then can substitute the lampblack filter of traditional filter screen structure, there is the effect that good filtering oil smoke purifies air.
As Figure 1-3, in order to make the structure of described Whirlwind cyclone the compactest, and it is the highest to enter the rotation efficiency of gas of Whirlwind cyclone, and this body 1 is that a top 101 is cylinder barrel shaped parts, bottom 102 is the parts of a taper barrel, and described air inlet 11 is positioned on described top 101.Preferably, described air inlet 11 is a rectangle air inlet.Described central airway is one cylindrical, and it is A that described central airway is inserted into intrinsic length, and the total length of described body 1 is B, and wherein A/B is 0.2≤A/B≤0.85, is preferably 0.3≤A/B≤0.75.
And the length on the top 101 of the cylinder barrel shaped of described body 1 is C, wherein 0.2≤C/B≤0.95.As shown in the figure, the area of this air inlet 11 is S1, the area at the maximum caliber place of this body 1, and the area of section of top cylinder is S2, wherein S1/S2 is 0.05≤S1/S2≤0.3.The area of section of central airway 2 is S3, S3/S2 is 0.05≤S3/S2≤0.3, like this air quantity that can both guarantee to enter Whirlwind cyclone is set, can guarantee the air output of this Whirlwind cyclone again, to meet with the blower fan of lampblack absorber, match, those skilled in the art understand, the intake of lampblack absorber, the air output of the lampblack filter that this Whirlwind cyclone forms, must match and just can have good smoke absorption effect with the blower fan of lampblack absorber.
Preferably, the bottom of this central airway 2 forms a circle and outwards launches gradually from top to bottom the spigot surface 21 extending, and this spigot surface 21 forms bell mouth shape.The gas of the body 1 entering from air inlet 11 like this, while rotating when moving below body, effect due to this spigot surface 21, can also not rotate to the bottom that just enters central airway 2 before body 1 bottom, but after fully rotating along its inwall in body 1, oil smoke molecule is because the effect of gravity is flowed out from bottom liquid outlet downwards, gas is lighter, just can upwards enter central airway 2, and then discharge from the top exit of central airway 2.Preferably, as shown in Figure 1, the angle forming between this spigot surface 21 and the axle of this central airway 2 is that β is 8 °≤β≤45 °, is preferably 10 °≤β≤20 °.This spigot surface 21 can be inclined-plane as Figure 1-3, can be also arcwall face or other forms of curved surface.
The bottom shape of this body 1 has angle, i.e. the angle of conical base, and this angle [alpha] is 0 °≤α <180 °, is preferably 20 °≤α≤50 °.The top of body 1 is a cylinder barrel shaped, and its diameter is D, and this diameter D is the maximum radial dimension of described body 1, and B/D is 1≤B/D≤5, is preferably 1.3≤B/D≤3.5.Such setting can be so that the entire length of this Whirlwind cyclone and width be applicable to lampblack absorber inner structure, the filter that makes lampblack absorber can be too not huge and be caused the increase of lampblack absorber volume, and has guaranteed that this lampblack filter has the effect of good filtration oil smoke.
Those skilled in the art also can recognize, this Whirlwind cyclone can be that top is that cylinder bottom is cone, can be to be also all cone or cylinder from top to bottom, when it is cone, can be the identical cone of tapering from top to bottom, can be also the different cone of upper and lower tapering; Nor the radial section of certain Whirlwind cyclone body is circular, its radial section can be polygon, or in top, bottom one of them be polygon another be circle; And the radial dimension of this Whirlwind cyclone dwindles gradually, not necessarily linearity dwindles, i.e. not necessarily circular cone or cylinder or polygonal cone of the body of this Whirlwind cyclone, the dual-side in its axial cross section differs and is decided to be straight line, can be also parabola or camber line etc.In a word, so long as meet and can make the wind entering from air inlet produce whirlwind rotation and realize oil smoke separating and filtering in Whirlwind cyclone body.
As shown in Figure 4, the second embodiment for Whirlwind cyclone of the present invention, for make from air inlet 11 enter the air of body 1 can be better along with the sidewall of body 1 is rotated and then produces whirlwind, in two end faces up and down of described air inlet 11, one of them is from the outboard end of air inlet 11 towards the body 1 downward-sloping setting in inner side, the wind that makes like this to enter from air inlet 11 is subject to the suppressing action of air inlet upper and lower end face, can be well in the interior rotation of body 1.As shown in Figure 4, the lower surface of this air inlet 11 is tilted to lower setting.
As shown in Figure 5, be the 3rd embodiment of Whirlwind cyclone of the present invention, this embodiment is identical with the second embodiment, and the upper surface of this air inlet 11 is tilted to lower setting.
As shown in Figure 6, be the 4th embodiment of Whirlwind cyclone of the present invention, this embodiment is identical with second and third embodiment, and the upper surface of this air inlet 11 and lower surface are tilted to lower setting simultaneously.
In above-mentioned three embodiment, downward-sloping angle, the i.e. end face of this inclination and the angle of horizontal plane in the upper and lower end face of this air inlet 11 is γ, and the scope of this angle is 3 °≤γ≤45 °, is preferably 10 °≤γ≤20 °.And those skilled in the art can recognize, when upper and lower end face is simultaneously downward-sloping, the angle of this inclination can be the same or different.And the gas that leads well and enter from air inlet, the outboard end of described air inlet is provided with chamfering.
As shown in Figure 7,8, for this fifth embodiment of the present invention, Whirlwind cyclone in this embodiment, other structures are identical with the first embodiment, the at least bottom of the bottom 102 of the body 1 of different is this Whirlwind cyclone seamlessly transits bending towards a side, and the angle between the top of the part of its bending and the body of Whirlwind cyclone 1 is θ, preferably, 10 °≤θ≤20 °.And the air inlet in this embodiment 11 is also with described in above-mentioned second and third and four embodiment, can be that one of them outboard end from air inlet 11 of upper and lower end face is towards the downward-sloping setting in inner side of body 1.Such setting can be applicable in the lampblack absorber of different volumes structure so that the structure of Whirlwind cyclone can be more changeable, and postrotational Whirlwind cyclone entire length reduces to some extent, and is beneficial to the setting of bottom oil collecting structure of the body 1 of Whirlwind cyclone.In this embodiment, the total length of body 1 is the peak of body to the length of minimum point, and the bottom of body 1 is cone or the cylinder of a bending, for example crooked circular cone etc.The bottom 102 of this body 1 can be that only bottom, towards curving, can be also that integral body is all towards curving.
As shown in Fig. 9,10, the 6th embodiment for this invention, in this embodiment, central airway 2 is all positioned at described body 1, and the top outlet inlet 22 of central airway 2 is the open top of described body 1, Whirlwind cyclone in this embodiment also has a denoising structure, as shown in Fig. 9,10, shown in figure be two Whirlwind cyclones its share the structure of a relative sidewall.This denoising structure comprises that one is inserted into the body of rod 3 in central airway 2 along downward-extension on the axle of this central airway 2.As shown in Figure 9, in order to fix this body of rod, this denoising structure also comprises that one is fixed on the brace 32 on the top of described body 1, be connected from air outlet 22 vertical towards the inner connecting portion 31 extending of central airway 2 with this brace 32, described connecting portion 31 connects the described body of rod 3, and this connecting portion 31 is laminar parts.Alternatively, this connecting portion 31 can be also a rod-like members, and two ends are top and the described brace 32 of connecting-rod body 3 respectively, and alternatively, this brace 32 also can omit, the medial surface of the direct connecting-rod body 3 of this connecting portion 31 and central airway 2.This connecting portion 31 and brace 32 can be also other forms, as long as it is the body of rod 3 to be fixed on to the fixed part of the axial location of central airway 2.Due to the effect of this denoising structure, when fume-exhausting, can reduce well noise.And those skilled in the art also can recognize, above-mentioned denoising structure is positioned at central airway, also other forms of denoising structure can be set in Whirlwind cyclone, for example, lay Sound-proof material etc.
As shown in figure 11, for thering is the schematic diagram of the lampblack absorber of Whirlwind cyclone structure of the present invention.This lampblack absorber comprises housing 100, and the spiral case 110 that is positioned at housing 100, in described spiral case 110, be provided with motor 111 and impeller 112, the top of this housing 100 is provided with gas outlet 120 and is communicated to extraneous flue, the bottom of described housing 100 is provided with air inlet 130, and these air inlet 130 places are provided with the filter of the Whirlwind cyclone that comprises a plurality of arrangements arranged side by side.The gas with oil smoke that this lampblack absorber enters from air inlet 130 enters in the body of Whirlwind cyclone by the air inlet of each Whirlwind cyclone, then through oil smoke molecule after producing whirlwind in body and rotating, by its gravity, from the liquid outlet of body bottom, flow out after oil collector sump tank is collected and discharge downwards, and clean gas enters extraneous flue from the air outlet of Whirlwind cyclone bodies top by spiral case and gas outlet 120 and discharges.Those skilled in the art also can recognize, this comprises the lampblack filter of Whirlwind cyclone, also can be positioned at gas outlet 120 parts of housing 100, and the gas that is finally expelled to flue is purified to oil removing.
This comprises the filter of the Whirlwind cyclone of a plurality of arrangements arranged side by side, not only has good smoke absorption effect, makes the parts such as spiral case in lampblack absorber and electric motor with vane wheel can not be infected with oil smoke, can realize the cleaning function of exempting from of long period.And can really purify air, the gas of discharging from the air outlet of lampblack absorber can be described as the gas that contains hardly oil smoke, has not only improved kitchen environment, has also protected atmospheric environment and environmental protection thereof.And this comprises the filter of a plurality of Whirlwind cyclones, small volume, can not take too many lampblack absorber space, can reduce the volume of household cooker hood, utilizes and installs and uses at various household kitchens.And those skilled in the art can also recognize, this Whirlwind cyclone can also have other arrangement mode in lampblack absorber, for example, be arranged at the air outlet place of lampblack absorber.
Whirlwind cyclone for the separation of lampblack absorber oil smoke of the present invention is compact conformation not only, be easy to manufacture processing, and can make a variety of forms and arrangement mode for the large small size of multiple difference, in the lampblack absorber of different purposes, improve the filtering oil smoke efficiency of lampblack absorber and the effect of oil smoke separation, and this Whirlwind cyclone can replace the oil-fume separating device of traditional filter screen of range hood structure, make the lampblack absorber with it there is extraordinary filtering oil smoke clean-up effect, use the lampblack absorber of this Whirlwind cyclone, not only there is good smoke absorption effect, and make the parts in lampblack absorber can not be infected with oil smoke, can keep permanent cleaning, make lampblack absorber avoid for a long time cleaning.And use the lampblack absorber of this Whirlwind cyclone, discharge be the air after clean filtration oil smoke, not only improved kitchen environment, benefit the healthy of user, also purified air, protected atmospheric environment.
Claims (10)
1. the Whirlwind cyclone for the separation of lampblack absorber oil smoke, comprise body, described body is a top closure, and the diminishing hollow barrel-type structure of radial dimension from top to bottom, the bottom end opening of described body is the bottom liquid outlet of described Whirlwind cyclone, the sidewall on the top of described body is provided with the air inlet tangent with this sidewall, one be inserted into described body top center and with the central airway of the coaxial setting of body, the open top of described central airway is the air outlet of described Whirlwind cyclone, it is characterized in that: the bottom of described central airway is lower than the bottom of described air inlet, the area of section of described central airway is S3, the area at described body maximum caliber place is S2, 0.05≤S3/S2≤0.3.
2. Whirlwind cyclone as claimed in claim 1, is characterized in that: one of them is downward-sloping inside from opening to body for the both ends of the surface up and down of described air inlet.
3. Whirlwind cyclone as claimed in claim 1, is characterized in that: the outboard end of described air inlet is provided with chamfering.
4. Whirlwind cyclone as claimed in claim 1, is characterized in that: the area of described air inlet is S1, and the area at described body maximum caliber place is S2,0.05≤S1/S2≤0.3.
5. Whirlwind cyclone as claimed in claim 1, is characterized in that: the intrinsic length of insertion of described central airway is A, and the total length of described body is B, 0.2≤A/B≤0.85.
6. Whirlwind cyclone as claimed in claim 1, is characterized in that: the top of described body is cylinder, and bottom is circular cone.
7. Whirlwind cyclone as claimed in claim 6, is characterized in that: the length on the top of described body is C, and the total length of described body is B, 0.2≤C/B≤0.95.
8. Whirlwind cyclone as claimed in claim 1, is characterized in that: described body is a cone.
9. Whirlwind cyclone as claimed in claim 1, is characterized in that: described central airway bottom forms a circle and outwards launches gradually from top to bottom the spigot surface extending.
10. Whirlwind cyclone as claimed in claim 1, is characterized in that: also comprise at least one denoising structure.
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| CN201310642686.XA CN103644587A (en) | 2013-12-03 | 2013-12-03 | Cyclone for oil fume separation of range hood |
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| CN201310642686.XA CN103644587A (en) | 2013-12-03 | 2013-12-03 | Cyclone for oil fume separation of range hood |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103836686A (en) * | 2013-12-03 | 2014-06-04 | 宁波方太厨具有限公司 | Cyclone for separating oil smoke in smoke ventilator |
| CN103836690A (en) * | 2013-12-03 | 2014-06-04 | 宁波方太厨具有限公司 | Cyclone for separating oil smoke in smoke ventilator |
| CN103836688A (en) * | 2013-12-03 | 2014-06-04 | 宁波方太厨具有限公司 | Cyclone for separating oil smoke in smoke ventilator |
| CN103836689A (en) * | 2013-12-03 | 2014-06-04 | 宁波方太厨具有限公司 | Cyclone for separating oil smoke in smoke ventilator |
| CN103836687A (en) * | 2013-12-03 | 2014-06-04 | 宁波方太厨具有限公司 | Cyclone for separating oil smoke in smoke ventilator |
| CN104566586A (en) * | 2014-12-26 | 2015-04-29 | 深圳拓邦股份有限公司 | Cyclone-type range hood |
| CN108837651A (en) * | 2018-06-24 | 2018-11-20 | 江苏兰丰环保科技有限公司 | A kind of desulphurization denitration dedusting collaboration processing unit |
| CN109000296A (en) * | 2018-09-29 | 2018-12-14 | 贵州省粤鑫餐饮设备有限公司 | A kind of low noise kitchen oil fume purifying system |
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| CN103836690A (en) * | 2013-12-03 | 2014-06-04 | 宁波方太厨具有限公司 | Cyclone for separating oil smoke in smoke ventilator |
| CN103836688A (en) * | 2013-12-03 | 2014-06-04 | 宁波方太厨具有限公司 | Cyclone for separating oil smoke in smoke ventilator |
| CN103836689A (en) * | 2013-12-03 | 2014-06-04 | 宁波方太厨具有限公司 | Cyclone for separating oil smoke in smoke ventilator |
| CN103836687A (en) * | 2013-12-03 | 2014-06-04 | 宁波方太厨具有限公司 | Cyclone for separating oil smoke in smoke ventilator |
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Application publication date: 20140319 |