CN106813281B - A kind of high grease separating degree range hood and its built-in spiral separating device - Google Patents
A kind of high grease separating degree range hood and its built-in spiral separating device Download PDFInfo
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- CN106813281B CN106813281B CN201710132156.9A CN201710132156A CN106813281B CN 106813281 B CN106813281 B CN 106813281B CN 201710132156 A CN201710132156 A CN 201710132156A CN 106813281 B CN106813281 B CN 106813281B
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- Prior art keywords
- range hood
- cylinder
- flue
- inner housing
- spiral
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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
- F24C15/2035—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The present invention provides a kind of high grease separating degree range hood and its built-in spiral separating device.The built-in spiral separating device, including inner housing, cylinder and spiral plate；It is connect inside inner housing and the machine shell of the range hood；Inner housing upper end outer rim is connect with machine shell inner sealing, and the ventilating duct of smoke evacuation is formed in the middle part of inner housing, and inner housing outside forms flue with machine shell；Barrel top is connect with inner housing, and the top perimeter of cylinder offers at least one ventilation opening, and bottom of cylinder is closed and is provided with oil collecting pipe；Cylinder, which is fixed on vertically in flue, is divided into the outer side flue close to machine shell and the interior side flue close to inner housing for flue；Outer side flue is connected to the smoke inlet of the range hood, and interior side flue is connected to ventilating duct；Spiral plate is fixedly installed in inside and outside cylinder respectively.The smoke inlet of the range hood passes sequentially through outer side flue, ventilation opening, interior side flue and ventilating duct and is connected to the outlet flue of range hood.
Description
Technical field
The present invention relates to range hood, specially a kind of high grease separating degree range hood and its built-in spiral separation dress
It sets.
Background technique
Fat residue is usually had on range hood wind wheel, not only will affect range hood efficiency, while the row of also resulting in
Contain a large amount of fat particles and pollutant in deflation, influences environmental quality." range hood " the new national standard GB/ promulgated in 2012
In T17713-2011, specific index request is proposed to grease separating degree, showing grease separating degree formally becomes evaluation oil suction
One important indicator of smoke machine performance, the increasingly concern by manufacturing enterprise and use groups.How grease separating degree is improved,
Have become one of the important content of current range hood technology development and performance evaluation.
Existing range hood mainly passes through blower centrifugal treating and strainer stops suction-operated and realizes the separation of flue gas grease, with
Reduce fat content in discharge gas.And this grease separate mode generally requires to enhance centrifugal action by high speed centrifugation device
Or other devices are added to realize higher grease separation.It is attached to inside range hood in addition, also easily causing compared with many greases of sauce drop,
Oil smoke discharge is influenced, so that range hood noise and vibration increase, will also shorten range hood component life when serious, and influence to make
With safety.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of high grease separating degree range hood and its built-in
Spiral separating device improves fume exhauster grease separating degree, reduces oil smoke discharge pollution.
The present invention is to be achieved through the following technical solutions:
A kind of built-in spiral separating device of high grease separating degree range hood, including inner housing, cylinder and spiral plate；
It is connect inside the inner housing and the machine shell of the range hood；Inner housing upper end outer rim and machine shell inner sealing
Connection, inner housing middle part form the ventilating duct of smoke evacuation, inner housing outside and machine shell formation flue；The barrel top with
Inner housing connection, the top perimeter of cylinder offer at least one ventilation opening, and bottom of cylinder is closed and is provided with oil collecting pipe；Cylinder
It is fixed in flue vertically and flue is divided into the outer side flue close to machine shell and the interior side flue close to inner housing；Outside
Flue is connected to the smoke inlet of the range hood, and interior side flue is connected to ventilating duct；The spiral plate is fixedly mounted respectively
Inside and outside cylinder.
Preferably, the spiral plate installed inside and outside cylinder is oppositely oriented, and the installation of tendency cylinder is fixed upwards.
Preferably, the upper surface of spiral plate and cylinder connecting pin is provided with oil guide groove.
Preferably, rotary sieve is provided in ventilating duct.
Preferably, bottom of cylinder closes setting by the cold plate of setting back taper, and oil collecting pipe is set at the vertex of a cone.
Preferably, the inner housing includes the cylinder to form ventilating duct and the sealing cover being fixed on the outside of cylinder top
Plate, seal cover board and machine shell are tightly connected.
A kind of high grease separating degree range hood, including built-in spiral separating device of the present invention, the oil suction
The smoke inlet of smoke machine passes sequentially through outer side flue, ventilation opening, interior side flue and ventilating duct and is connected to the outlet flue of range hood.
Preferably, further include be sequentially connected machine shell bottom hold together cigarette plate, Inlet Network and catchment cup；Catchment cup and oil-collecting
Pipe connection.
Further, Inlet Network is arranged in back taper ring-type, and the top being relatively large in diameter is fixed in the middle part of cigarette plate, and diameter is smaller
Bottom end connect catchment cup.
Preferably, blower is provided in the outlet flue of the range hood.
Compared with prior art, the invention has the following beneficial technical effects:
The present invention extends original flue by installation cylinder segmentation, improves flue gas film-cooled heat, while using spiral plate structure
At centrifugal channel is forced, reinforces centrifugation and increase inertial collision chance, contained grease in flue gas can be efficiently separated.
Compared with common range hood, the present invention rationally divides oil smoke channel, reduces channel cross-sectional area, constant in power of fan
In the case where, smoke movement speed provided by pressure change is to compensate since flue length increases and add obstruction in flue
Slowing effect caused by object, this feature allow the present invention to improve grease separating degree when not increasing power of fan.
Further, the inclination angle setting of spiral plate will introduce oil guide groove by grease drop thereon, and flow to bottom along spiral plate
Into in catchment cup, effectively reduces grease in body and adhere to, protect organism life-span.
Detailed description of the invention
Fig. 1 is the structure principle chart of range hood described in present example.
Fig. 2 is the structure connection cross-sectional view of built-in spiral separating device described in present example.
Fig. 3 is the sectional side view of cylinder described in present example.
Fig. 4 is the enlarged partial sectional view of spiral plate described in present example and cylinder junction.
Fig. 5 is bottom of cylinder detail view described in present example.
Fig. 6 is flow of flue gas schematic diagram in range hood cabinet described in present example.
In figure: catchment cup 1, Inlet Network 2 hold together cigarette plate 3, machine shell 4, cylinder 5, inner housing 6, outer side flue 7, inside cigarette
Road 8, ventilating duct 9, spiral plate 10, rotary sieve 11, oil collecting pipe 12, blower 13, oil guide groove 14, ventilation opening 15.
Specific embodiment
Below with reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
A kind of high grease separating degree range hood of the present invention, by improving smoke collision chance, increase film-cooled heat and adding
Strong centrifugation enhances grease in range hood and separates and collects, improves complete machine grease separating degree.The extractor hood structure
Including smoke machine shell, it is mounted on the intracorporal blower 13 of shell, impeller and built-in spiral separating device；Built-in spiral separating device
Including cylinder 5, spiral plate 10 and rotary sieve 11.Smoke machine shell is made of machine shell 4 and the inner housing 6 being attached thereto, whole
4 inner space of machine shell forms cabinet, and the cylinder 5 is fixed vertically in cabinet, and oil collecting pipe 12, spiral plate are arranged at 5 bottom of cylinder
10 are fixedly installed in inside and outside cylinder 5, and rotary sieve 11 is placed in the channel at 6 middle part of inner housing.
Wherein, cylinder 5 is fixed between machine shell 4 and inner housing 6, and space in cabinet is divided into two layers of flue；Circle
5 bottoms of cylinder are cone, and oil collecting pipe 12 is set at the vertex of a cone, connect external catchment cup 1；Spiral plate 10 is at cylinder 5
Upper surface is provided with oil guide groove 14；Spiral plate 10 has the minute angle of a tendency cylinder 5 when installing；Preferably, angular range exists
10-15 degree.
Specifically, as depicted in figs. 1 and 2, range hood includes shell, cylinder 5, spiral plate 10, rotary sieve 11, oil-collecting
Pipe 12, catchment cup 1, Inlet Network 2, holds together cigarette plate 3 at blower 13.
Range hood shell is made of machine shell 4 and connected inner housing 6.The cylinder at installation cone bottom in shell
5, by being connected at the top of nozzle with inner housing 6, periphery is provided with ventilation opening 15, passes through for flue gas, as shown in Figures 2 and 3.
Space among inner and outer shell is divided into 8 two regions of outer side flue 7 and interior side flue by cylinder 5, extends oil smoke path, preferably
Oil smoke channel is rationally divided, external flue is slightly wider than inner flue, be no more than 1.2:1, reduce channel cross-sectional area.Cylinder 5
Bottom outside installs cold plate.Spiral plate 10 is fixedly mounted on inside and outside cylinder 5 and 5 wall surface of cylinder is at certain tendency angle,
Junction is equipped with oil guide groove, as shown in figure 4, the outside of spiral plate 10 is contacted respectively at 4 inner wall of machine shell and 6 outer wall of inner housing
Setting.5 bottom of cylinder is equipped with oil collecting pipe 12, as shown in Figure 5.Inner housing 6 forms ventilating duct 9, is equipped with rotary sieve 11.
Overall work situation is as shown in Figure 6: oil-soot mixture is gradually increasing in range hood lower zone and is in that diffusion becomes
Gesture.Diffusion edge oil smoke, which is held together cigarette plate 3 by range hood bottom, to be stopped, and forms short stay, and close under the effect of blower 13
Smoke machine bottom air inlet net 2.In this preferred embodiment, using back taper annular Inlet Network, air-flow is forced to produce by back taper annular Inlet Network
Enter outside flue 7 after raw rotating tendency, with the collision of 5 bottom cold plate of cylinder, amount of grease droplets agglomerate is cold in 5 bottom of cylinder
Solidifying plate simultaneously flows downwardly into catchment cup 1.Flue gas is forced to press helical flow by the effect of spiral plate 10 in outer side flue 7, generates centrifugation
Effect, isolates portion gas, liquid, further condenses into larger drop on 10 surface of spiral plate, is inclined to and flows into along spiral plate
In 10 inside oil guide groove 14 of spiral plate, it is flow at 5 bottom cold plate of cylinder from top to down, it is final to instill catchment cup 1.Remaining flue gas
Along outer side flue 7, gradually spiral to top enters back into interior side flue 8 by ventilation opening 15, equally along spiral plate 10 to flowing down
It is dynamic, it is generated again in the annular space that spiral plate 10 is constituted force centrifugal action at this time, separate section gas, liquid, in
It is flowed downward after being condensed on spiral plate 10 into 5 bottom oil collecting pipe 12 of cylinder, it is final to instill catchment cup 1.Flue gas passes through inside cigarette
Ventilating duct 9 is upwardly into behind road 8 again, is discharged after rotary sieve 11 and blower 13 are centrifuged, grease contains in final discharge gas
It measures low.
In the above manner, the present invention can reduce the fat content in flue gas emission, fume exhauster grease is effectively improved
Separating degree, method is simple, and cost is relatively low.
Claims (9)
1. a kind of built-in spiral separating device of high grease separating degree range hood, which is characterized in that including inner housing (6),
Cylinder (5) and spiral plate (10)；
It is connect inside the inner housing (6) and the machine shell (4) of the range hood；Inner housing (6) upper end outer rim with it is whole
Machine shell (4) inner sealing connects, the ventilating duct (9) of formation smoke evacuation in the middle part of inner housing (6), on the outside of inner housing (6) and outside complete machine
Shell (4) forms flue；
It is connect at the top of the cylinder (5) with inner housing (6), the top perimeter of cylinder (5) offers at least one ventilation opening
(15), cylinder (5) bottom is closed and is provided with oil collecting pipe (12)；Cylinder (5) is fixed on to be divided into flue in flue vertically and lean on
The outer side flue (7) of nearly machine shell (4) and the interior side flue (8) of close inner housing (6)；Outer side flue (7) and the oil suction
The smoke inlet of smoke machine is connected to, and interior side flue (8) is connected to ventilating duct (9)；
The spiral plate (10) is fixedly installed in respectively inside and outside cylinder (5) and 5 wall surface of cylinder is at certain squint angle
Degree；The upper surface of spiral plate (10) and cylinder (5) connecting pin is provided with oil guide groove (14)；The outside of spiral plate (10) is respectively at whole
Machine shell (4) inner wall and the contact setting of inner housing (6) outer wall.
2. a kind of built-in spiral separating device of high grease separating degree range hood according to claim 1, feature
It is, the spiral plate (10) installed inside and outside cylinder (5) is oppositely oriented, and tendency cylinder (5) installation is fixed upwards.
3. a kind of built-in spiral separating device of high grease separating degree range hood according to claim 1, feature
It is, is provided with rotary sieve (11) in ventilating duct (9).
4. a kind of built-in spiral separating device of high grease separating degree range hood according to claim 1, feature
It is, setting is closed by the cold plate of setting back taper in cylinder (5) bottom, and oil collecting pipe (12) is set at the vertex of a cone.
5. a kind of built-in spiral separating device of high grease separating degree range hood according to claim 1, feature
It is, the inner housing (6) is close including forming the cylinder of ventilating duct (9) and the seal cover board being fixed on the outside of cylinder top
It covers plate and machine shell (4) is tightly connected.
6. a kind of high grease separating degree range hood, which is characterized in that built in described in any one of claim 1-5
Formula spiral separating device, the smoke inlet of the range hood pass sequentially through outer side flue (7), ventilation opening (15), interior side flue (8)
It is connected to ventilating duct (9) with the outlet flue of range hood.
7. a kind of high grease separating degree range hood according to claim 6, which is characterized in that further include be sequentially connected it is whole
Cigarette plate (3), Inlet Network (2) and catchment cup (1) are held together in machine shell (4) bottom；Catchment cup (1) is connect with oil collecting pipe (12).
8. a kind of high grease separating degree range hood according to claim 7, which is characterized in that Inlet Network (2) is in back taper
The setting of shape ring-type, the top being relatively large in diameter are fixed in the middle part of cigarette plate (3), lesser bottom end connection catchment cup (1) of diameter.
9. a kind of high grease separating degree range hood according to claim 6, which is characterized in that the range hood goes out
Blower (13) are provided in mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132156.9A CN106813281B (en) | 2017-03-07 | 2017-03-07 | A kind of high grease separating degree range hood and its built-in spiral separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132156.9A CN106813281B (en) | 2017-03-07 | 2017-03-07 | A kind of high grease separating degree range hood and its built-in spiral separating device |
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| Publication Number | Publication Date |
|---|---|
| CN106813281A CN106813281A (en) | 2017-06-09 |
| CN106813281B true CN106813281B (en) | 2019-06-11 |
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| CN201710132156.9A Active CN106813281B (en) | 2017-03-07 | 2017-03-07 | A kind of high grease separating degree range hood and its built-in spiral separating device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237557B (en) * | 2018-07-31 | 2023-11-17 | 浙江工业大学 | Front-mounted spiral cyclone separation device for range hood |
| CN109185941A (en) * | 2018-10-22 | 2019-01-11 | 天津大学 | Axial pump drainage and the separation integrated range hood of oil smoke |
| CN109373408B (en) * | 2018-12-17 | 2023-09-08 | 杭州德意智家股份有限公司 | Equipment and method for improving grease separation degree of range hood |
| CN110440321A (en) * | 2019-07-16 | 2019-11-12 | 林庆森 | Flue grease separator and its range hood |
| CN110397974B (en) * | 2019-07-16 | 2021-04-16 | 林庆森 | Secondary injection range hood |
| CN111306590B (en) * | 2020-03-13 | 2021-10-12 | 黄山学院 | High-efficiency energy-saving kitchen flue |
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| CN2894852Y (en) * | 2006-02-17 | 2007-05-02 | 曹祥龙 | Two-way centrifugal separator |
| CN202973274U (en) * | 2012-11-11 | 2013-06-05 | 尾扎郎加泽郎 | Range hood with folded smoke exhaust pipe |
| CN205014448U (en) * | 2015-10-08 | 2016-02-03 | 武汉联兴环保科技有限公司 | Physics formula fume purification device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3118365B2 (en) * | 1994-03-08 | 2000-12-18 | 東海ゴム工業株式会社 | Oil mist separation and recovery apparatus and method for manufacturing the same |
| CN202253878U (en) * | 2011-10-07 | 2012-05-30 | 吴美俊 | Lamp black separator used for range hood in kitchen |
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- 2017-03-07 CN CN201710132156.9A patent/CN106813281B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2894852Y (en) * | 2006-02-17 | 2007-05-02 | 曹祥龙 | Two-way centrifugal separator |
| CN202973274U (en) * | 2012-11-11 | 2013-06-05 | 尾扎郎加泽郎 | Range hood with folded smoke exhaust pipe |
| CN205014448U (en) * | 2015-10-08 | 2016-02-03 | 武汉联兴环保科技有限公司 | Physics formula fume purification device |
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| CN106813281A (en) | 2017-06-09 |
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