CN108224527B - Range hood capable of quickly removing oil smoke particles - Google Patents
Range hood capable of quickly removing oil smoke particles Download PDFInfo
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- CN108224527B CN108224527B CN201810188658.8A CN201810188658A CN108224527B CN 108224527 B CN108224527 B CN 108224527B CN 201810188658 A CN201810188658 A CN 201810188658A CN 108224527 B CN108224527 B CN 108224527B
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
Abstract
A fume exhauster for quickly removing fume particles is composed of a fume exhauster body and a fume separator for generating vortex to remove oil from fume, which is installed in said fume exhauster body. The oil smoke separator is provided with many concentric tubes, rotation axis and a plurality of eaves portion structure of axis coincidence, and the rotation axis respectively with the fixed connection of many concentric tubes's one end, a plurality of eaves portion structures respectively with the other end fixed connection of concentric tubes, the rotation axis is connected with the motor drive of cigarette machine main part. The eaves structure is provided with a plurality of through-holes. This oil smoke separator of lampblack absorber of quick desorption oil smoke particle can effectively desorption oil smoke particle, avoids the oil smoke particle to get into the convulsions subassembly, and the through-hole can assemble into the oil particle of big granule when oil smoke separator is rotatory simultaneously, breaks away from inside the oil smoke separator, improves the separation effect of oil smoke particle greatly. The lampblack machine capable of rapidly removing the lampblack particles can prevent air containing the lampblack particles from contacting with the wind wheel, and the lampblack particles can be effectively removed in the range hood.
Description
Technical Field
The invention relates to the field of range hoods, in particular to a range hood capable of quickly removing oil smoke particles.
Background
The fume exhauster is also called as fume exhauster, and is a kitchen electric appliance for purifying kitchen environment. The range hood is arranged above a kitchen stove, can rapidly pump away wastes burnt by the stove and oil smoke harmful to human bodies generated in the cooking process, and exhaust the wastes and the oil smoke to the outside, reduces pollution, purifies air, and has the safety guarantee effects of gas defense and explosion prevention.
WHO reports that 34% of 430 thousands of people WHO died globally due to kitchen air pollution in 2012 suffered from stroke, 22% and 26% of chronic obstructive pulmonary disease and ischemic heart disease, respectively, and about 6% died from lung cancer.
In the prior art, range hoods have three forms, top suction, side suction and bottom discharge. The wind wheel directly contacts with the oil smoke, and oil smoke particles can be adhered to the wind wheel after long-term use, so that the wind wheel works under load, the working efficiency of the wind wheel is seriously influenced, and the whole smoking effect is reduced. Meanwhile, the traditional range hood can only remove a small part of oil smoke particles, and a large amount of oil smoke particles are remained in discharged gas, so that air pollution is easily caused.
Therefore, aiming at the defects of the prior art, the range hood capable of rapidly removing the oil smoke particles is necessary to solve the defects of the prior art.
Disclosure of Invention
The invention aims to provide a range hood capable of quickly removing oil smoke particles to avoid the defects of the prior art. This quick oil smoke particle's of desorption oil smoke machine can avoid the air that contains oil smoke particle to contact with the wind wheel, can effectively get rid of the oil smoke particle inside the lampblack absorber.
The above object of the present invention is achieved by the following technical means.
The range hood capable of fast eliminating fume particles is provided with a range hood main body and a fume separator capable of making fume gas produce eddy flow to eliminate oil, and the fume separator is installed inside the range hood main body in a transmission mode.
The oil smoke separator is provided with many concentric tubes, rotation axis and a plurality of eaves portion structure of axis coincidence, the rotation axis respectively with the fixed connection of many concentric tubes's one end, a plurality of eaves portion structures respectively with the other end fixed connection of concentric tube, the rotation axis is connected with the motor drive of cigarette machine main part.
The eaves structure is provided with a plurality of through-holes.
The diameter of the through hole is defined as D, and D is more than or equal to 2mm and less than or equal to 20mm.
Furthermore, D is more than or equal to 6mm and less than or equal to 10mm.
Define the area of the eave structure as E Eaves structure The total area of the through holes in the eave structure is defined as E Through-hole ，E Through hole ≤0.3E Eaves structure 。
And G is defined as the minimum distance between the midpoint of the through hole and the eaves structure, wherein G is more than or equal to 2mm and less than or equal to 80mm.
Furthermore, G is more than or equal to 20mm and less than or equal to 30mm.
The side, facing the ground when the oil fume separator is installed, of the oil fume separator is defined as the lower side, and concentric tubes from the middle shaft to the outside are sequentially defined as a 1 st concentric tube, an i concentric tube, an n-1 concentric tube and an n concentric tube, wherein i is more than or equal to 2 and less than or equal to n, and n is a positive integer.
Height of No. 1 concentric tube is H 1 The height of the ith concentric tube is H i Said n-1 concentric tubes have a height H n-1 The height of the n-th concentric tube is H n ，H 1 Has the maximum value of H n The value of (c) is minimal.
1.1H n ≤H i ≤10H n And 0.5H i-1 ≤H i ≤3H i-1 。
Preferably, the height H of the 1 st concentric tube is 1 Not more than 1m.
Preferably, the plane of the eaves structure is intersected with the central axis of the concentric tube, and the included angle is A, wherein A is more than or equal to 20 degrees and less than or equal to 180 degrees.
Preferably, the concentric tubes are provided with turbulence means which are seamlessly connected around the ends of one end of the concentric tubes.
Preferably, the plane of the turbulence device is intersected with the central shaft, and the included angle is B, wherein B is more than or equal to 10 degrees and less than or equal to 135 degrees.
Preferably, the oil smoke separator is further provided with a vortex generating device set, the vortex generating device set is fixedly installed on the outer surface of the concentric tube and surrounds the joint of the eaves structure and the concentric tube, and the vortex generating device set is installed on the upper surface of the eaves structure.
Each vortex generating device group consists of one or more vortex generating sub-devices in the same eaves structure.
Preferably, the vortex generating device groups are m, m is any positive integer greater than 0, and the m vortex generating device groups are respectively fixedly installed on the outer surfaces of the concentric pipes and surround the connecting part of the eaves structure and the concentric pipes.
Preferably, the concentric tube is formed by a line segment formed by a plurality of broken lines surrounding the middle shaft for one circle, and the intersection position of two adjacent line segments on the inner wall of the concentric tube is a vortex generation position.
Preferably, the diameter of one end of the concentric tubes is larger than the diameter of the other end.
Preferably, the cigarette machine main body is provided with a shell, the oil smoke separator is installed in the shell in a transmission mode, the shell is provided with a plurality of shell air inlets and annular sheets matched with the shell air inlets, the annular sheets are fixedly installed or integrally connected to the inner surface corresponding to the shell and the edge of the shell air inlet, and the annular sheets correspond to the shell air inlets one to one.
Preferably, the included angle formed by the annular sheet and the tangent line of the edge of the corresponding shell air inlet is C, and C is more than or equal to 20 degrees and less than or equal to 70 degrees.
The height of the air inlet of the shell is H Air inlet of shell Width L of the air inlet of the housing Air inlet of shell And H is not more than 2mm Air inlet of outer shell ≤20mm，10mm≤L Air inlet of shell ≤200mm。
The distance between two adjacent shell air inlets is J, and J is more than or equal to 5mm and less than or equal to 50mm.
The surface area of the shell is S Outer cover The total area of the air inlet of the housing is S Air inlet of outer shell ，0.1S Outer cover ≤S Air inlet of outer shell Less than or equal to 0.95S.
The minimum distance between the oil fume separator and the shell is defined as F, and F is more than or equal to 2mm and less than or equal to 100mm.
Preferably, above-mentioned cigarette machine main part still is provided with convulsions subassembly and oil collecting device, convulsions subassembly fixed mounting in the inside of shell and be located the top of oil smoke separator, convulsions subassembly still is connected with the gas outlet, oil collecting device demountable assembly in the bottom of shell.
Preferably, the air draft assembly is provided with a fan, a wind wheel and a volute, the fan is assembled inside the volute, the wind wheel is in transmission connection with the fan, the volute is fixedly installed inside the cigarette machine main body, an air inlet of the volute is communicated with an air outlet above the concentric tube, and an air outlet of the volute is communicated with an air outlet of the cigarette machine main body.
Preferably, the housing has a spherical structure.
The invention relates to a range hood capable of quickly removing oil smoke particles, which is provided with a range hood main body and an oil smoke separator capable of enabling oil smoke gas to generate vortex for deoiling, wherein the oil smoke separator is arranged in the range hood main body in a transmission manner. The oil smoke separator is provided with many concentric tubes, rotation axis and a plurality of eaves portion structure of axis coincidence, and the rotation axis respectively with the fixed connection of many concentric tubes's one end, a plurality of eaves portion structures respectively with the other end fixed connection of concentric tubes, the rotation axis is connected with the motor drive of cigarette machine main part. The eaves structure is provided with a plurality of through-holes. This oil smoke separator of lampblack absorber of quick desorption oil smoke particle can effectively desorption oil smoke particle, avoids the oil smoke particle to get into convulsions subassembly, and the through-hole can assemble into the oil particle of big granule when oil smoke separator is rotatory simultaneously, breaks away from inside the oil smoke separator, improves the separation effect of oil smoke particle greatly. The lampblack machine capable of rapidly removing the lampblack particles can prevent air containing the lampblack particles from contacting with the wind wheel, and the lampblack particles can be effectively removed in the range hood.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limiting.
Fig. 1 is a front view of the soot separator and the motor of the present invention.
Fig. 2 is a schematic structural diagram of the oil smoke separator of the present invention.
Fig. 3 is a schematic cross-sectional view of fig. 2.
Fig. 4 is a highly schematic view of concentric tubes.
Fig. 5 is a schematic view of the angle between the plane of the eave structure and the central axis.
FIG. 6 is a schematic view of an angle between the spoiler and the central axis.
Fig. 7 is a schematic structural diagram of the housing and the oil collecting device of the invention.
Fig. 8 is a schematic cross-sectional view of fig. 7.
Fig. 9 is an enlarged view of Z in fig. 8.
Fig. 10 is a schematic view of the minimum distance between the midpoint of the through-hole and the eaves structure.
Fig. 11 is a simulated oil smoke gas flow diagram of the present invention.
Fig. 12 is a sectional perspective view of the soot separator.
In fig. 1 to 12, there are included:
the oil smoke separator 1, the concentric tube 11, the turbulence device 111, the rotating shaft 12, the eaves structure 13, the through hole 131, the vortex generating device group 14 and the vortex generating position 15;
the oil collecting device comprises a shell 2, a shell air inlet 21, an annular sheet 22, an oil collecting device 3 and a motor 4.
Detailed Description
The technical solution of the present invention is further illustrated by the following examples.
Example 1.
A range hood capable of quickly removing oil smoke particles is provided with a range hood main body and an oil smoke separator 1 capable of enabling oil smoke gas to generate vortex to remove oil, wherein the oil smoke separator 1 is installed inside the range hood main body in a transmission mode, as shown in figures 1 to 9.
Oil smoke separator 1 is provided with many concentric tubes 11, rotation axis 12 and a plurality of eaves portion structure 13 of axis coincidence, rotation axis 12 respectively with the fixed connection of many concentric tubes 11's one end, a plurality of eaves portion structure 13 respectively with the other end fixed connection of concentric tubes 11, rotation axis 12 is connected with the motor 4 transmission of cigarette machine main part. The eave structure 13 is provided with a plurality of through holes 131.
The through hole 131 is used for gathering large oil particles when the oil fume separator 1 rotates, and separating the oil particles from the inside of the oil fume separator 1, so that the separation effect of the oil fume particles is greatly improved.
The diameter of the through hole 131 is defined as D, and the diameter range of the through hole 131 is preferably 6mm < D < 10mm, and can also be any value of 2mm < D < 20mm, which is determined by actual conditions.
When the diameter of the through-holes 131 is too large, the effect of centrifugal force on the surface of the eave structure 13 is reduced. Thus, to ensure that the centrifugal force on the eave structure 13 and the inertial separation downward through the through-holes 131 are maximized, D in the present invention is preferably 6 mm. Ltoreq. D.ltoreq.10 mm. Meanwhile, the diameter of the through hole 131 is too large, which may reduce the flow rate of the gas entering the oil engine.
One side of the oil fume separator 1, which faces the ground when the oil fume separator is installed, is defined as the lower side, and the concentric tubes 11 outward from the central axis are sequentially defined as a 1 st concentric tube 11, an i th concentric tube 11, an n-1 th concentric tube 11, an n < n > concentric tube 11, wherein i is more than or equal to 2 and less than or equal to n, and n is a positive integer.
Height of the 1 st concentric tube 11 is H 1 The ith concentric tube 11 has a height H i Said n-1 concentric tubes 11 have a height H n-1 The height of the n-th concentric tube 11 is H n ，H 1 Has the maximum value of H n Has a minimum value of 1.1H n ≤H i ≤10H n And 0.5H i-1 ≤H i ≤3H i-1 . Height H of No. 1 Concentric tube 11 1 Not more than 1m.
The plane of the eave structure 13 is intersected with the central axis of the concentric tube 11, the included angle is A, and A is more than or equal to 20 degrees and less than or equal to 180 degrees.
This eaves portion structure 13 is the effect that the contained angle is with the other end of concentric tube 11 can increase the effect area that oil smoke particle and oil smoke separator 1 produced the centrifugal force, under the same rotational speed and under the same concentric tube 11 diameter, the contained angle can improve the tangential velocity that the oil smoke particle was thrown away from, under oil smoke separator 1, makes the oil smoke particle break away from oil smoke separator 1 inside, improves the separation effect of oil smoke.
The concentric tubes 11 are provided with flow perturbation means 111, the flow perturbation means 111 being seamlessly surrounding the end connected to one end of the concentric tubes 11. The plane of the turbulent flow device 111 is intersected with the middle shaft and has an included angle B, and B is more than or equal to 10 degrees and less than or equal to 135 degrees.
The oil smoke separator 1 is further provided with a vortex generating device group 14, the vortex generating device group 14 is fixedly installed on the outer surface of the concentric tube 11 and surrounds the joint of the eaves structure 13 and the concentric tube 11, and the vortex generating device group 14 is installed on the upper surface of the eaves structure 13. Each group 14 of vortex generating devices consists of one or more vortex generating sub-devices of the same eaves structure. The number of the vortex generating devices 14 is m, m is any positive integer larger than 0, and the m vortex generating devices 14 are respectively installed on the outer surface of the concentric tubes 11 and surround the connection part of the eaves structure 13 and the concentric tubes 11.
The vortex generating device group 14 of the present invention is used for generating vortex for the oil smoke gas, thereby improving the oil removing capability.
N =3 in the present embodiment, that is, 3 concentric tubes 11 in the present embodiment are provided. In this embodiment, m =2, that is, the vortex generating device group 14 is provided in 2, one is provided in the 3 rd concentric tube, and the other is provided in the 2 nd concentric tube. The number of concentric tubes 11 of the present invention can be any positive integer, and the set of vortex generating devices 14 can be less than or equal to any positive integer number of concentric tubes 11.
The concentric tube 11 is a concentric tube 11 formed by a plurality of broken lines surrounding the central axis, and the intersection position of two adjacent line segments of the inner wall of the concentric tube 11 is a vortex generation position 15, as shown in fig. 12. The diameter of one end of the concentric tubes 11 is larger than the diameter of the other end. The shape of the concentric tube 11 of the invention has the function of enabling the oil smoke gas to generate vortex on the inner wall of the concentric tube 11 and improving the efficiency of removing the oil smoke. One end of the concentric tube 11 is the end connected with the air draft assembly, namely the air outlet of the concentric tube 11, the other end of the concentric tube 11 is the air inlet of the concentric tube 11, and according to the venturi effect, the larger the area through which the fluid flows, the smaller the flow rate is, namely, the speed of one end of the gas concentric tube 11 is higher than the speed of the other end of the concentric tube 11. According to bernoulli's law, the higher the speed of the gas, the lower the pressure, so the pressure at the end of the concentric tube 11 connected with the air draft assembly is high, and the pressure at the air inlet of the concentric tube 11 is low, thereby increasing the pressure difference between the air inlet of the concentric tube 11 and the external environment, so as to promote the oil smoke gas to enter, and improve the oil absorption effect.
The main body of the range hood is provided with a shell 2, the oil smoke separator 1 is installed in the shell 2 in a transmission mode, the shell 2 is provided with a plurality of shell air inlets 21 and annular sheets 22 matched with the plurality of shell air inlets 21, the annular sheets 22 are integrally connected with the corresponding inner surface of the shell 2 and positioned at the edges of the shell air inlets 21, and the annular sheets 22 correspond to the shell air inlets 21 one by one.
The included angle formed by the annular sheet 22 and the tangent line corresponding to the edge of the air inlet 21 of the outer shell is C, and the included angle C in this embodiment is 60 °, and is any angle between 20 ° and 70 °, which is determined by actual conditions.
The ring-shaped piece 22 functions to generate a vortex when the oil smoke gas enters the housing 2, and also to prevent oil smoke particles from being thrown out of the external space from the air inlet of the housing 2 when being thrown out of the oil smoke separator 1.
The height of the shell air inlet 21 is H Housing air inlet 21 Width L of the housing inlet 21 Housing air inlet 21 And H is not more than 2mm Housing air inlet 21 ≤20mm，10mm～200mm。
The distance between the air inlets 21 of two adjacent shells is J, and J is more than or equal to 5mm and less than or equal to 50mm.
The surface area of the housing 2 is S Outer casing 2 The total area of the housing inlet 21 is S Housing air inlet 21 ，0.1S Outer casing 2 ≤S Housing air inlet 21 Less than or equal to 0.95S outer casing 2 。
The minimum distance between the oil fume separator 1 and the shell 2 is defined as F, and F is more than or equal to 2mm and less than or equal to 100mm.
The cigarette machine main part still is provided with convulsions subassembly and oil collecting device 3, and convulsions subassembly fixed mounting just is located the top of oil smoke separator 1 in the inside of shell 2, and the convulsions subassembly still is connected with the gas outlet, and oil collecting device 3 demountable assembly is in the bottom of shell 2.
The convulsions subassembly is provided with fan, wind wheel and spiral case, and the fan assembles inside the spiral case, and the wind wheel is connected with the fan transmission, and spiral case fixed mounting is inside cigarette machine main part, and the air inlet of spiral case communicates with each other with the gas outlet of 11 tops of concentric pipe, and the gas outlet of spiral case communicates with each other with the gas outlet of cigarette machine main part. The housing 2 of the present invention is a spherical structure.
The working principle of the range hood is as follows: the range hood is started, the motor 4 drives the oil fume separator 1, the wind wheel of the air draft assembly rotates simultaneously, oil fume particles are separated in seven layers in the range hood, and finally the almost clean gas is discharged through the air outlet, as shown in fig. 11. The seven-layer separation is specifically as follows:
first layer separation, inertial separation: lampblack enters the interior of the range hood through the shell air inlet 21 of the shell 2, and enters the annular sheet 22 after entering the shell air inlet 21, because of the pressure difference between the interior of the shell 2 and the external environment and the sudden change of the area of the shell air inlet 21, the air flow speed is accelerated, and the inertia momentum is relatively increased. And the oil smoke will form a very thin boundary layer around the annular sheet 22, and because the outer casing air inlet 21 of the outer casing 2 forms an included angle with the annular sheet 22, the oil smoke is forced to flow upwards and enter the oil smoke separator 1 after flowing downwards along the annular sheet 22, so that the heavier oil separates from the crude oil smoke flow field in the downward inertial motion and moves downwards to be collected in the oil collecting device 3 at the bottom of the outer casing 2, and the first inertial separation is realized.
Second layer separation, vortex separation: the oil smoke particles separated by the first layer further generate flow field separation from the downward-upward flowing flow in the direction of the annular sheet 22, and the oil smoke particles cause an unstable flow field under the flow field separation to further form a vortex. The flow field or vortex interacts with the adjacent flow field or vortex, forming a non-stop rotating flow field on the ring-shaped plate 22, and the rotating vortex reaches the maximum vortex amount. The remaining light oil smoke will not stop at the rotating vortex accumulation of the ring-shaped sheet 22, and when a certain weight is accumulated, the flow field will not support the weight of the oil drop, and will fall downwards or flow along the ring-shaped sheet 22 to the oil collecting device 3.
Third layer separation, centrifugal separation: the rotation of the eave structure 13 following the concentric tubes 11 creates a centrifugal force that interacts with the attractive force of the wind wheel. After the second separation, the light oil smoke of remaining part contacts the outermost end of eaves portion structure 13 earlier and gets into concentric tube 11 again when getting into concentric tube 11, and the centrifugal force of eaves portion structure 13 outermost end can leave some fluid or oil smoke particle area or block and get into concentric tube 11 inside and move outward, throws away with higher tangential velocity again, and the particle of throwing away can fall at cyclic annular piece 22, flows to oil collecting device 3 along cyclic annular piece 22 at last.
Fourth layer separation, inertial separation and centrifugal separation: after the third layer of separation, the remaining oil smoke with lighter weight is simultaneously subjected to centrifugal force and attractive force, but the relative attractive force is greater than the centrifugal force. Some of the oil smoke will flow to the adjacent eaves structure 13 through the through holes 131, and will be gathered with other oil smoke or oil smoke particles into larger oil smoke particles to flow downward due to the inertia effect, and the oil smoke particles will be thrown out at a higher tangential speed due to the centrifugal force effect and finally flow to the oil collecting device 3 along the ring-shaped pieces 22.
Fifth layer separation, cyclonic centrifugal force and secondary vortex generation of concentric tubes 11: the inner wall of the concentric tube 11 rotates to form a cyclone, fluid or particles in the tube move towards the wall of the tube in a low-pressure area under the action of centrifugal force, the tube wall forms a high tangential velocity, and part of oil smoke is blocked from flowing upwards. In addition, the residual oil smoke can form vortex in the vortex generating device, and rotate without stopping, so that the oil smoke is captured and is not allowed to escape from the pipeline. After the attraction force and the centrifugal force are removed, the oil smoke which continuously rotates from the secondary vortex and moves at the pipe wall in a high tangent mode flows downwards along the inner pipe wall due to gravity and is collected to the oil collecting device 3.
The sixth layer is separated, the spoiler 111 is separated: the turbulence device 111 at one end of the concentric tube 11 generates flow field separation on the remaining oil smoke, and by means of the flow field separation, part of the oil smoke is blocked by instability of the flow field and does not flow upwards or capture the oil smoke by a self-rotating vortex.
Separating a seventh layer, and separating a wind wheel by centrifugal force: after the separation of the first six layers, a small amount of very light oil smoke particles are left and sucked into the wind wheel of the air draft assembly due to pressure difference, the rotating wind wheel forms centrifugal force to throw the remaining small amount of oil smoke particles onto the inner wall of the fan, and finally nearly clean gas is discharged outside through the air outlet.
This oil smoke separator 1 of quick desorption oil smoke particle's lampblack absorber can effectively get rid of the oil smoke particle, avoids oil smoke particle to discharge the gas outlet, and through-hole 131 can assemble into the oil particle of big granule when oil smoke separator 1 is rotatory simultaneously, breaks away from inside oil smoke separator 1, improves the separation effect of oil smoke particle greatly.
Example 2.
A lampblack absorber capable of rapidly removing lampblack particles is the same as that in embodiment 1 in other characteristics, and is different in that: defining the area of the eave structure 13 as E Eave structure 13 The total area of the through holes 131 in the eaves structure 13 is defined as E Through hole 131 ，E Through hole 131 ≤0.3E Eave structure 13 。
Because E Through hole 131 Too large reduces the area of the eave structure 13 and thereby reduces the effect of the surface of the eave structure 13 on the soot particles.
When the total area of the through holes 131 is too large, the effect of centrifugal force on the eave structure 13 is weakened. To ensure maximum effect of centrifugal force of the eaves structure 13 and inertial separation via the through holes 131, the total area of the through holes 131 is less than or equal to 30% of the total area of the eaves structure 13. Meanwhile, the total area of the through holes 131 is too large, which may reduce the flow rate of the incoming gas inside the oil engine.
This quick desorption oil smoke particle's lampblack absorber can be when oil smoke separator 1 is rotatory, will assemble into the oil particle of big granule, breaks away from inside oil smoke separator 1, improves the separation effect of oil smoke particle greatly.
Example 3.
A lampblack absorber capable of rapidly removing lampblack particles is shown in figure 10, and other characteristics are the same as those of embodiment 1, except that: the minimum distance between the midpoint of the through hole 131 and the eaves structure 13 is defined as G, and the minimum distance between the midpoint of the through hole 131 and the eaves structure 13 is preferably within a range of 20 mm-30 mm, or may be any value of 2 mm-80 mm, specifically determined by actual conditions.
Soot particles are thrown outwardly at the edge of each eave structure 13 at a high tangential velocity. When the mass of soot particles is the same, the centrifugal force applied to the edge closer to the eave structure 13 is larger. However, if the edge of the eave structure 13 is centered in the through hole 131, some of the soot particles will easily escape due to the high tangential velocity and will not easily enter the adjacent eave structure 13 to separate the fourth layer.
This quick desorption oil smoke particle's lampblack absorber can be when oil smoke separator 1 is rotatory, will assemble into the oil particle of big granule, breaks away from inside oil smoke separator 1, improves the separation effect of oil smoke particle greatly.
Example 4.
A lampblack absorber capable of rapidly removing lampblack particles is the same as embodiment 1 in other characteristics, and is different in that: n =4 in the present embodiment, i.e., 4 concentric tubes 11 in the present embodiment are provided. In the present embodiment, m =2, that is, the vortex generating device group 14 is provided with 2, one is provided in the 4 th concentric tube, and the other is provided in the 3 rd concentric tube. While the concentric tubes 11 of this embodiment correspond one-to-one to the eave structure 13.
This quick desorption oil smoke particle's lampblack absorber compares with embodiment 1, has increased a concentric tube 11, has also increased oil smoke separator 1 in the inside space volume of shell 2 to reduce the area of concentric tube 11 air inlets, improved gas admission speed, increase the pressure differential of concentric tube 11 inside and exterior space, thereby can improve the separation rate of oil smoke particle.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A quick desorption oil smoke particle's lampblack absorber, its characterized in that: the range hood is provided with a range hood main body and a lampblack separator which can make lampblack gas generate vortex to remove oil, and the lampblack separator is arranged in the range hood main body in a transmission way;
the oil smoke separator is provided with a plurality of concentric tubes with coincident center axes, a rotating shaft and a plurality of eaves structures, the rotating shaft is fixedly connected with one end of each concentric tube, the eaves structures are fixedly connected with the other ends of the concentric tubes, and the rotating shaft is in transmission connection with a motor of the cigarette machine main body;
the eave structure is provided with a plurality of through holes;
the concentric tubes are provided with turbulence devices, and the turbulence devices are connected to the tail ends of one ends of the concentric tubes in a seamless surrounding manner;
the plane where the turbulence device is located is intersected with the middle shaft, the included angle is B, and B is more than or equal to 10 degrees and less than or equal to 135 degrees;
the oil-smoke separator is also provided with an eddy current generating device group, the eddy current generating device group is fixedly arranged on the outer surface of the concentric tube and surrounds the joint of the eaves structure and the concentric tube, and the eddy current generating device group is arranged on the upper surface of the eaves structure;
each vortex generating device group consists of one or more vortex generating sub-devices in the same cornice structure;
the cigarette machine main part is provided with the shell, and the oil smoke separator transmission is installed in the inside of shell, and the shell is provided with a plurality of shell air inlets and the cyclic annular piece that matches with a plurality of shell air inlets, cyclic annular piece fixed mounting or integrated connection in the internal surface that the shell corresponds and with be located the edge of shell air inlet, cyclic annular piece and shell air inlet one-to-one.
2. The range hood for rapidly removing lampblack particles according to claim 1, wherein: the diameter of the through hole is defined as D, and D is more than or equal to 2mm and less than or equal to 20mm.
3. The range hood for rapidly removing oil fume particles according to claim 2, wherein: d is more than or equal to 6mm and less than or equal to 10mm.
4. The range hood for rapidly removing lampblack particles according to claim 1, wherein: define the area of the eave structure as E Eaves structure The total area of the through holes in the eave structure is defined as E Through hole ，E Through hole ≤0.3E Eaves structure 。
5. The range hood for rapidly removing oil fume particles according to claim 1, wherein: and G is defined as the minimum distance between the midpoint of the through hole and the eaves structure, wherein G is more than or equal to 2mm and less than or equal to 80mm.
6. The range hood for rapidly removing oil fume particles according to claim 5, wherein: g is more than or equal to 20mm and less than or equal to 30mm.
7. The range hood for rapidly removing oil smoke particles according to any one of claims 1 to 6, wherein: defining one side of the oil fume separator, which faces the ground when the oil fume separator is installed, as a lower part, and sequentially defining concentric pipes from a central shaft to the outside as a 1 st concentric pipe, an i th concentric pipe, an n-1 th concentric pipe and an n th concentric pipe, wherein i is more than or equal to 2 and less than or equal to n, and n is a positive integer;
height of No. 1 concentric tube is H 1 The height of the ith concentric tube is H i Content n-1 The height of the n-th concentric tube is H n ，H 1 Has the maximum value of H n The value of (d) is minimal;
1.1H n ≤H i ≤10H n and 0.5H i-1 ≤H i ≤3H i-1 。
8. The range hood for rapidly removing lampblack particles according to claim 7, wherein: height H of the 1 st concentric tube 1 Not more than 1m;
the plane where the eaves structure is located is intersected with the center shaft of the concentric tube, the included angle is A, and A is more than or equal to 20 degrees and less than or equal to 180 degrees.
9. The range hood for rapidly removing lampblack particles according to claim 7, wherein:
the vortex generating device groups are m, m is any positive integer larger than 0, and the m vortex generating device groups are respectively fixedly arranged on the outer surfaces of the concentric pipes and surround the connecting part of the eaves structure and the concentric pipes;
the concentric tube is formed by a line segment consisting of a plurality of broken lines surrounding the center shaft for one circle, and the intersection position of two adjacent line segments on the inner wall of the concentric tube is a vortex generation position;
the diameter of one end of the concentric tubes is greater than the diameter of the other end.
10. The range hood for rapidly removing lampblack particles according to claim 9, wherein:
the included angle formed by the annular sheet and the tangent line of the edge of the corresponding shell air inlet is C, and C is more than or equal to 20 degrees and less than or equal to 70 degrees;
the height of the air inlet of the shell is H Air inlet of outer shell Width L of the air inlet of the housing Air inlet of outer shell And H is not more than 2mm Air inlet of shell ≤20mm，10mm≤L Air inlet of shell ≤200mm；
The distance between two adjacent shell air inlets is J, and J is more than or equal to 5mm and less than or equal to 50mm;
the surface area of the shell is S Outer casing The total area of the air inlet of the housing is S Air inlet of outer shell ，0.1S Outer cover ≤S Air inlet of shell Less than or equal to 0.95S;
defining the minimum distance between the oil fume separator and the shell as F, wherein F is more than or equal to 2mm and less than or equal to 100mm;
the range hood main body is also provided with an air draft assembly and an oil collecting device, the air draft assembly is fixedly arranged inside the shell and positioned above the oil fume separator, the air draft assembly is also connected with the air outlet, and the oil collecting device is detachably assembled at the bottom of the shell;
the air draft assembly is provided with a fan, a wind wheel and a volute, the fan is assembled inside the volute, the wind wheel is in transmission connection with the fan, the volute is fixedly installed inside the cigarette machine main body, an air inlet of the volute is communicated with an air outlet above the concentric pipe, and an air outlet of the volute is communicated with an air outlet of the cigarette machine main body;
the shell is of a sphere structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188658.8A CN108224527B (en) | 2018-03-07 | 2018-03-07 | Range hood capable of quickly removing oil smoke particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188658.8A CN108224527B (en) | 2018-03-07 | 2018-03-07 | Range hood capable of quickly removing oil smoke particles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108224527A CN108224527A (en) | 2018-06-29 |
| CN108224527B true CN108224527B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810188658.8A Active CN108224527B (en) | 2018-03-07 | 2018-03-07 | Range hood capable of quickly removing oil smoke particles |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114159895A (en) * | 2021-12-07 | 2022-03-11 | 深圳市旋风流体科技有限公司 | Free vortex gas solid-gas-liquid separation device |
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| CN2241291Y (en) * | 1995-12-21 | 1996-11-27 | 汤健中 | Split cooking fume exhauster with cupboard |
| CN2490464Y (en) * | 2001-06-08 | 2002-05-08 | 周翔 | Clean cooker hood |
| CN102410568A (en) * | 2011-10-26 | 2012-04-11 | 宁波方太厨具有限公司 | Wind shield structure of integrated stove |
| CN106268053A (en) * | 2016-09-26 | 2017-01-04 | 天津大学 | A kind of rotation fume purifier of fume |
| CN106402966A (en) * | 2016-08-31 | 2017-02-15 | 杭州老板电器股份有限公司 | Dual-purpose oil removing device for residence public flue |
| CN206846859U (en) * | 2017-06-19 | 2018-01-05 | 广州特伊雅智能科技有限公司 | A kind of motorless three-dimensional oil smoke separation and purification integrated machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9239169B2 (en) * | 2005-01-06 | 2016-01-19 | Oy Halton Group Ltd. | Low profile exhaust hood |
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2018
- 2018-03-07 CN CN201810188658.8A patent/CN108224527B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2241291Y (en) * | 1995-12-21 | 1996-11-27 | 汤健中 | Split cooking fume exhauster with cupboard |
| CN2490464Y (en) * | 2001-06-08 | 2002-05-08 | 周翔 | Clean cooker hood |
| CN102410568A (en) * | 2011-10-26 | 2012-04-11 | 宁波方太厨具有限公司 | Wind shield structure of integrated stove |
| CN106402966A (en) * | 2016-08-31 | 2017-02-15 | 杭州老板电器股份有限公司 | Dual-purpose oil removing device for residence public flue |
| CN106268053A (en) * | 2016-09-26 | 2017-01-04 | 天津大学 | A kind of rotation fume purifier of fume |
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|---|---|
| CN108224527A (en) | 2018-06-29 |
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