CN101264403A

CN101264403A - Cooking fume purifier

Info

Publication number: CN101264403A
Application number: CNA2008100978292A
Authority: CN
Inventors: 王君
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-16
Filing date: 2008-05-16
Publication date: 2008-09-17
Anticipated expiration: 2028-05-16
Also published as: CN101264403B

Abstract

The invention relates to a purification device of oil fume, comprising a fan used for producing gas momentum of oil fume suction, an oil fume collector, an oil and smoke cleaner and a windpipe. The oil and smoke cleaner is connected with the fan by the windpipe; air inlet holes are arranged on the oil fume collector, and the air inlet holes are connected with the oil and smoke cleaner by the windpipe. The oil and smoke cleaner comprises a conical cyclone tube, and an outlet gas hood is buckled at the bigger diameter end of the cyclone tube; an air outlet is arranged at the top part of the outlet gas hood, and is connected with the fan by the windpipe. The invention has the advantages of purifying the oil fume air by the centrifugal function produced by the high-speed cyclone, meanwhile filtering and eliminating peculiar smell, forming a bigger air negative pressure zone while used in series connection and parallel connection, rapidly purifying oil fume gas in large area, and achieving the purifying emission of the oil fume gas. The invention belongs to the environment-friendly technology.

Description

Fume purifier of fume

Technical field

The present invention relates to a kind of fume purifier of fume, particularly a kind of oil smoke to cooking room carries out the fume purifier of fume that tobacco tar separates and remove peculiar smell.

Background technology

Now, the smoke exhaust ventilator of various versions is widely used in the daily life as a kind of kitchen fume equipment.The oil smoke that has produced when providing culinary cuisine for people is discharged outdoor approach, but, also there are some technical defectives in existing smoke exhaust ventilator, wherein comparatively distinct issues are purifications that present lampblack absorber is not considered oil smoke substantially, and only be direct discharge, there are many drawbacks in this in line mode.

Oil smoke in line, not only the air to living environment has caused destruction, and forms other problem such as society.For example, the in line air to neighbourhood resident family of concentrated dwelling house such as apartment has a direct impact, and often hears that neighbours can know according to its oil smoke smell what menu is when cooking, illustrated that promptly the oil smoke air is big to the influence in neighbourhood.In addition, the general flue that is equipped with of building is the main thoroughfare that oil smoke is concentrated discharging, but because the long-term accumulation of tobacco tar in the flue has become one of hidden danger of fire.

Oil smoke to directly discharge management places such as dining room because the oil smoke discharge amount is big, not only can destroy ambient air, and the wall of oil smoke sooting building, also becomes one of destruction source of urban look.

Summary of the invention

The objective of the invention is to provides a kind of simple and easy to do fume purifier of fume at the existing in line problem of existing smoke exhaust ventilator, this device is when need not to increase energy consumption, can undisturbedly carry out centrifugation and filtration to soot gas, soot gas is purified discharge again afterwards, but the high-efficiency cleaning air.

A kind of fume purifier of fume provided by the present invention comprises the blower fan, oil smoke collector, cooking fume remover and the tracheae that are used to produce suction soot gas power, and it is characterized in that: described cooking fume remover is connected with described blower fan by described tracheae; Offer air admission hole on the described oil smoke collector, this air admission hole is connected with described cooking fume remover by described tracheae.

Described cooking fume remover comprises a conical tornadotron, and the end that this tornadotron diameter is bigger is also detained and is provided with the outlet gas hood; Described tracheae is arranged on the top of this outlet gas hood, and exports the gas hood internal communication with this; The less end of this tornadotron diameter is provided with the connector that connects described tracheae, by tracheae the oil smoke air is sucked.

The end that the diameter of conical tornadotron is bigger docks with the outlet gas hood and constitutes a seal, is the basic profile of cooking fume remover.

For the soot gas that sucks is carried out purified treatment, among the present invention, described cooking fume remover inwall is provided with and makes the soot gas that flows through produce the structure of rotation at a high speed.

In the technical program, the helical form of non-closure plays the inwall of laid shoot or radial fluctuating projection, makes the soot gas that enters cooking fume remover produce high speed rotary motion according to the direction of appointment.In rotation, soot gas produces the direction motion to the outlet gas hood of shape in the shape of a spiral, forms the motion morphology of similar " cyclone ".The motion of high-speed screw shape produces powerful centrifugal force, and the soot gas that tobacco tar proportion is bigger is being got rid of on the inwall that is attached to tornadotron in the rotation at a high speed, and the air of process centrifugal clarification is drawn out of under the work of blower fan from the outlet gas hood.

In order to make the tobacco tar particle be easier to collect, the tube wall of described tornadotron is set to have the double-decker of inner wall layer and outer wall layer, its inner wall layer is orifice plate or frid, promptly opening circular hole, slotted eye on the inner layer wall or on inner layer wall, offering square groove, elongated slot, the centrifugal force that the oil smoke air is produced when high-speed motion can stick tobacco tar on orifice plate or frid, and flows to collection location by hole or groove guiding tobacco tar.Can flow according to assigned direction for the ease of the tobacco tar after separating, keep connecting by circular hole, slotted eye or square groove, the elongated slot of offering on the inner layer wall between described inner wall layer and the outer wall layer, and leave the gap that tobacco tar can pass through.

In technique scheme, air inlet and air outlet (the tracheae connector on outlet gas hood top) with double-deck cooking fume remover of inner wall layer and foreign currency layer are communicated with in inside, soot gas under rotation at a high speed from the less end of diameter to the bigger end motion of diameter, remove airborne soot gas particle by the high speed centrifugation motion.

For the purifying oil fume peculiar smell, between bigger end of the diameter of described tornadotron and described outlet gas hood, also to buckle and be provided with screen pack, screen pack is that active carbon is made or the net of coating molecule modified coating.

In order to remove the peculiar smell in the oil smoke, the tube wall of described tornadotron can also be for being set to have the double-decker of inner wall layer and outer wall layer, but these two double-deckers are communicated with by filter course.Promptly, described inner wall layer is connected with described tracheae (air inlet pipe) by the less end of diameter, its described tracheae (the escape pipe connector on the outlet gas hood) with the bigger end of diameter is not communicated with; Described outer wall layer is connected with described tracheae by the escape pipe connector of the outlet gas hood of the bigger end of diameter, its tracheae (air inlet pipe) with the less end of diameter is not communicated with, described inner wall layer and outer wall layer are interconnected near circular hole, slotted eye or square groove, the elongated slot offered near the bigger end of diameter by inner wall layer, on this hole or groove, screen pack is set, removes peculiar smell by filtering.

In the technique scheme, after the oil smoke air enters tornadotron from the less end of diameter, because air outlet slit is arranged near the outlet gas hood, the oil smoke air must could arrive the outlet gas hood by above-mentioned hole or the groove near outlet gas hood one end that is provided with on the inner wall layer, therefore the oil smoke air is revolving motion at the tornadotron inwall, and moves to outlet gas hood direction gradually.Between inner wall layer and the outer wall layer screen pack is set, built-in active carbon or coating molecule modified coating can produce purification effects and purpose to the air that passes through at the oil smoke air through out-of-date absorption peculiar smell and removing.

Described outlet gas hood can be made the helical form that becomes non-closure according to the tube wall shape of tornadotron equally and play laid shoot or radial fluctuating projection, itself also is a reducer pipe.Described outlet gas hood inside is arch top shape, and this arch top is the opening that is communicated with described tracheae, is provided with a plurality of gases that flow through that make in this outlet gas hood and produces the flow deflector of the inclination of rotation; Have a plurality of spiral helicine projectioies that forced gas produces rotation that are used on the inwall of described arch gas hood; The orientation of described flow deflector is identical with the hand of spiral of described projection.Therefore, when air passes through the outlet gas hood, under the condition of the suction air of the described tracheae that the outlet gas hood connects, the air process exports the reducer pipe of gas hood and further accelerates flow velocity, under the effect of the forced gas rotational structure on the gas hood inwall, air in the tornadotron can be rotated at a high speed, and can carry air and continue to rotate into described tracheae.The effect of air centrifugal clarification has been played in this high speed rotation.

For further strengthening rotatablely moving of soot gas, can also in described outlet gas hood, electrically driven (operated) flabellum be set.Electricity drives the velocity of discharge and the enhancing soot gas rotation dynamics that being provided with of flabellum can further be improved soot gas.Have more powerful purification, discharge ability.

Among the present invention, if on the inwall of tornadotron, apply TiO in advance ₂The photocatalyst coating, and be used to excite this TiO working off one's feeling vent one's spleen to be covered with to put ₂The lamp source of photocatalyst coating, then TiO ₂The photocatalyst coating excites down in the irradiation of light, its hydrophily has good effect to the wall built-up tobacco tar thing of the soot gas process centrifugal clarification of humidity, and can decompose the chemical substance in the soot gas, oxidation and absorption, it is less and be convenient to flowing liquid to make big and smoke particle thickness of micel become micel.This liquid can tornadotron inwall flow down, be convenient to user's collection, handle.TiO ₂The photocatalyst coating makes the inwall of tornadotron obtain good cleaning.The tobacco tar that flows down or fall for the ease of removing; at the less end of tornadotron diameter easy-to-dismount tobacco tar can also be set usually and collect box; this tobacco tar collection box surface can distribute and offer a plurality of air admission holes; form negative pressuren zone around making in a big way; be convenient to catch soot gas, also provide convenience for the user removes tobacco tar.

Use (the in parallel use) to make in the time of a plurality of cooking fume remover and form negative pressure region in the bigger spatial dimension, therefore can remove purifying oil fume gas in a big way.In the technical program, a plurality of cooking fume remover parallel connections constitute a device of handling soot gas in a big way with described oil smoke collector, described oil smoke collector is that soot gas is assembled the container body, offer a plurality of pores on this oil smoke collector, each pore all is connected with described tracheae (air inlet pipe) on the cooking fume remover.The oil smoke collector that is arranged on kitchen range top top can produce a bigger negative pressure region under the condition of the suction air of blower fan work drive cooking fume remover, soot gas is compiled at this.Under the bigger situation in open kitchen or space, the air sinuous flow can have a negative impact to the gathering of oil smoke air, therefore in order to assemble soot gas, can low power axial flow blower be installed in oil smoke collector, is used for assistance and compiles soot gas.

Utilize centrifugal principle to remove the airborne tobacco tar particle of oil smoke, utilize filter to remove the airborne peculiar smell of oil smoke again, can also can in a flow process, oil smoke be separated and removal peculiar smell piecewise arranged in series according to range size configuration in parallel cooking fume remover the oil smoke air.In experiment, arranged in series, promptly segmented configuration is the described cooking fume remover of purpose with the fume purifying and is configured to the cooking fume remover that peculiar smell is filtered into purpose, the oil smoke that produces in the time of can purifying culinary art very effectively.

According to technique scheme, after the centrifugal clarification and peculiar smell filtration of oil smoke through the tornadotron of high speed rotation, its air quality has reached the standard of indoor fresh air, and therefore treated air both can also can directly be emitted on indoor by discharge of pipes to outdoor.Cleaned air passes directly is emitted on indoor, its biggest advantage is to eliminate the defective of the windage that the ubiquitous indoor-outdoor air pressure reduction of smoke exhaust forms, and therefore the good circulation that can accomplish air can improve the efficient of fume purifying greatly.

Among the present invention, described blower fan is axial flow blower or centrifugal blower.The blower fan that adopts can be one, also can be a plurality of.

In order to reduce windage, offer the opposite air outlet of both direction on the turbine shroud of described centrifugal blower, these two air outlets import air the another one cooking fume remover respectively and carry out the next stage processing.In experiment, on centrifugal blower, offer two rightabout air outlets, the noise when not only having reduced blower fan work, and demonstrated better mist extractor efficient.

Describe as can be seen synoptically by above, the present invention is by the setting of the tornadotron of positive and negative conical reducer pipe shape, and the double-deck inwall by being provided with, can carry out high speed centrifugation to soot gas and purify, and can filter and remove the oil smoke peculiar smell.The parallel connection of a plurality of cooking fume removers or series connection and oil smoke collector and blower fan unite use, can form stronger air negative pressure zone on the one hand, make the oil smoke of the culinary art kitchen range top be difficult for spreading to other zones, can be apace, in large area soot gas is sucked in the tornadotron, simultaneously, can also carry out purified treatment to the soot gas that enters in the tornadotron, thereby make the soot gas of discharge can not influence the ambient air environment, when temperature is higher, can not flow into the indoor indoor air quality that influences because of being reversed yet.A large amount of oil smoke that the present invention has been produced when having eliminated culinary art have the ability of fast Absorption oil smoke to the kitchen utilities produced pollution, and lampblack absorber under the situation of paying attention to environmental protection is not now considered the problem of fume purifying to provide useful technical scheme.

Description of drawings

Fig. 1 is the structural representation of first embodiment of the invention;

Fig. 2 is the internal structure schematic diagram of tornadotron among the present invention;

Fig. 3 is the inside and outside wall structural representation of tornadotron among the present invention

Fig. 4 is the inwall perforated panel structural representation of tornadotron among the present invention

Fig. 5 shows structural representation for a kind of the cuing open of middle outlet gas hood of the present invention;

Fig. 6 is the another kind of structural representation of middle outlet gas hood of the present invention;

Fig. 7 is the structural representation of second embodiment of the invention tornadotron

Fig. 8 is the inwall open-celled structure schematic diagram of tornadotron in the second embodiment of the invention

Fig. 9 is the inwall notching construction schematic diagram of tornadotron in the second embodiment of the invention

Figure 10 is the structural representation of third embodiment of the invention;

Figure 11 is the structural representation of fourth embodiment of the invention;

Figure 12 is the structural representation of centrifugal blower in the fourth embodiment of the invention;

Figure 13 is the structural representation of the multistage application embodiment of fourth embodiment of the invention;

Figure 14 is the structural representation of fifth embodiment of the invention;

Figure 15 is the structural representation of the multistage application embodiment of fifth embodiment of the invention.

The specific embodiment

Below by specific embodiment also in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.

Embodiment one

As shown in Figure 1, present embodiment comprises a blower fan 2, and this blower fan 2 is used to produce the power of suction soot gas.The oil smoke collector 3 that also comprises a box-shaped, this oil smoke collector 3 is responsible for compiling soot gas.Offer air admission hole 31 on the oil smoke collector 3, the air inlet pipe 411 that is provided with on air admission hole 31 and the cooking fume remover is connected.Cooking fume remover comprises a conical tornadotron 42, and the end button that these tornadotron 42 diameters are bigger is provided with the outlet gas hood 43 of truncated cone-shaped.Escape pipe 412 is arranged on the top of this outlet gas hood 43, and exports gas hood 43 internal communication with this.Blower fan 2 offers air outlet 21.

Present embodiment is when work, and under the effect of blower fan 2, the less end of tornadotron 42 diameters compiles the air entry of the soot gas that comes for the process oil smoke collector.The tube wall of tornadotron 42 is the inwall that the helical form of non-closure plays laid shoot or radial fluctuating projection, can make the soot gas that enters behind the tornadotron 42 produce high speed rotary motion according to the direction of appointment.In rotation, soot gas produces centrifugal motion, the centrifugal motion form of promptly similar high speed " cyclone ".Make smoke particle in rotation, be subjected to action of centrifugal force, got rid of on the inwall 421 that is attached to tornadotron 42, as shown in Figure 2.

Fig. 2 is tornadotron 42 inner wall surface schematic diagrames, convexes with the projection 4211 of strip on the inner surface of tornadotron 42 in spiral rising mode.After soot gas enters from the less end of tornadotron 42 diameters, under the guide functions of projection 4211, produce revolving rising, form the forms of motion of " cyclone " formula, make the tobacco tar particle by centrifugal disengaging.

The collection of the oil smoke after the centrifugal clarification for convenience, in the present embodiment, tornadotron 42 is for having the double-decker of inwall 421 and outer wall 422, and Fig. 3 is the perspective double-decker schematic diagram of tornadotron 42.The projection 4211 that inner wall surface among Fig. 2 is seen, what its corresponding back side of inwall projection presented under the perspective view of Fig. 3 is groove 4212.Tobacco tar separates under the action of the centrifugal and enter groove by the hole of offering 42121 on inwall 421, as shown in Figure 4.

The hierarchy of tornadotron 42 inner wall layer and outer wall layer has crucial meaning for cleaning inwall.Inner wall layer is the parts that polluted by tobacco tar, disassembly, cleaning so simply.

In order to strengthen the high speed rotation of soot gas, improve the effect of centrifugation, outlet gas hood 43 inwalls in the present embodiment are for forcing the structure of air rotation.

Among Fig. 5, on the inner surface of outlet gas hood 43, arrange in the same way and be provided with a plurality of flight projectioies 431.Arrange in the same way on the inner surface of the outlet gas hood 43 among Fig. 6 be provided with a plurality of inclinations guide vane 431 too, all be to rotate motion for pressure air flowing when blower fan work.When soot gas these flight projectioies of process that flow out in the tornadotron or guide vane 431, the soot gas that drives in the tornadotron forms rotation, has the effect of isolation of purified soot gas.

Flight projection or guide vane 431 also can be taked to be mounted on a mode on the central module, as the blade structure of axial flow blower, are installed in then in the outlet gas hood 43, can play same effect.

In the present embodiment, apply TiO in advance on the surface of the inwall 421 of tornadotron 42 ₂Photocatalyst coating, its hydrophily can make oil smoke not be stained with and hang on the inwall, can assist flowing of tobacco tar.Outer wall uses transparent material, and useful light source then can decompose and oxidation the chemical substance in the soot gas, makes the purified treatment of oil smoke more perfect, but also the inwall of being convenient to tornadotron 42 has obtained good cleaning.

Embodiment two

The structure of the second embodiment of the present invention is basic identical with first embodiment, different is with first embodiment for it, the technical characterictic of first embodiment is to utilize the centrifugal action of rotation at a high speed to carry out air cleaning, and the technical characterictic of second embodiment is to utilize active carbon and molecule modified coating that the peculiar smell of oil smoke is carried out filtration, purification.Therefore, other among second embodiment except that tornadotron 42 internal structure differences and the first embodiment something in common no longer illustrate.

As shown in Figure 7, in a second embodiment, not directly in the opening part perforation of the bigger end of diameter, inner wall layer and outer wall layer are isolated between the inner wall layer 421 of tornadotron 42 and the outer wall layer 422, make it pass through screen pack and just can connect.

Fig. 7 is a kind of form of second embodiment, and the opening part 4213 of the end that the diameter of inner wall layer 421 is bigger is provided with airstrainer 4214.What screen pack 4214 used is the thin plate that active carbon is made, and has the gap that air passes through.The oil smoke air enters from the less end 4216 of the diameter of inner wall layer 421 under the work of blower fan, by filtration channel, be that screen pack 4214 back arrives outlet gas hoods 43 and discharges by exhaust outlet 432.

Fig. 8 is another form of second embodiment, relates to the inner wall layer 421 of Fig. 7.For the space of the high-level air cleaning of needs, the opening part of the end that the diameter of the inner wall layer 421 of tornadotron 42 is bigger is provided with closing cap 4215, forces soot gas outlet 42121 from appointment in rotation to be discharged.In Fig. 8, the oil smoke air under the work of blower fan from the diameter of inner wall layer 421 after the inlet of a less end enters tornadotron, enter outer wall layer by the circular port of on inwall, offering 42121 again, on this passage 4212, screen pack is set, can in purifying oil fume, remove the oil smoke peculiar smell effectively.Arrive outlet gas hood 43 through the air that purifies from outer wall layer, and discharge through tracheae 432 passages on the outlet gas hood 43.

Fig. 9 is the schematic diagram that the inner wall layer 421 of tornadotron 42 is offered square groove 42121, and its principle is identical with Fig. 6, no longer explanation.

Version as second embodiment, the screen pack 4214 or the closing cap 4215 of a end 4213 settings that also can 421 diameters of the inner wall layer among Fig. 7 are bigger change the position that is arranged on the less end 4216 of diameter into, like this, air duct changes into from the outer wall layer 422 of tornadotron and entering, and enters outlet gas hood 43 from the bigger end 4213 of the diameter of inner wall layer 421.At this moment, need be with the diameter of outer wall layer 422 and inner wall layer 421 closure of openings between two walls of a bigger end.

Embodiment three

As shown in figure 10, present embodiment comprises an axial flow blower 2 that is arranged in the cabinet 1, and this axial flow blower 2 is used to aspirate soot gas.Below cabinet 1, also be provided with the oil smoke collector 3 of a box-shaped.Offer a plurality of air admission holes 31 on the oil smoke collector 3, each air admission hole 31 all is connected with tracheae 411 on the cooking fume remover 4.Cooking fume remover 4 comprises a conical tornadotron 42, and the end button that these tornadotron 42 diameters are bigger is provided with the outlet gas hood 43 of truncated cone-shaped.Tracheae (escape pipe) 412 is arranged on the top of this outlet gas hood 43, and exports gas hood 43 internal communication with this.For the escape pipe 412 with a plurality of cooking fume removers is connected to blower fan, a large diameter tracheae 413 that confluxes is set, offer a plurality of air inlets 22 thereon, discharge through blower fan is offered air from cabinet 1 outlet 21.

In the present embodiment, oil smoke collector 3 in the cabinet 1 and blower fan in the cabinet 1 tracheae 413 that confluxes does not directly connect, the soot gas that sucks from oil smoke collector 3 must enter cooking fume remover 4 by air inlet 31 and by tracheae 411, through enter the tracheae 413 that confluxes of blower fan after the fume purifying again by tracheae 412, just can arrive blower fan.

Present embodiment is when work, and under the effect of axial flow blower 2, the less end of tornadotron 42 diameters of each cooking fume remover 4 is the import of soot gas.Because conical tornadotron is actually a kind of reducer pipe, this reducer pipe can make the less end of its diameter produce stronger negative pressure.Be provided with when a plurality of such reducer pipes distribute by parallel way, can in a bigger zone, produce stronger negative pressuren zone, make soot gas be difficult for fleeing from, thereby more effectively the soot gas in the cooking room is discharged.

Embodiment four

As shown in figure 11, the difference of present embodiment and the foregoing description three is:

The first, the blower fan that is provided with in cabinet 1 is a centrifugal blower 5, and the structure of this centrifugal blower 5 has been offered the opposite air outlet 52 of both direction with reference to shown in Figure 12 on its housing 51, and externally connects by tracheae 521.

The second, above cabinet 1, also set up the oil smoke collector 6 of a box-shaped, this oil smoke collector 6 is offered air inlet, connects the connection tracheae 521 from blower fan.Also offer the gas outlet 61 that is used for outwards discharging soot gas on the oil smoke collector 6.Gas outlet 61 can be a plurality of.The position also can freely be provided with as required.Figure 11 setting be two gas outlets 61.

Present embodiment is when work, and centrifugal blower 5 will be delivered in the oil smoke collector 6 by two air outlets 52 and two communicating pipe 521 from the soot gas in the below oil smoke collector 3, and then discharges by gas outlet 61.

In the centrifugal blower 5 shown in Figure 12, the setting of the air outlet 52 that both direction is opposite has been taked to make the operating efficiency of centrifugal blower 5 higher so not in the mode on same plane, can certainly take to be arranged on the frame mode in the same plane.

Figure 13 carries out embodiment further in parallel and that series connection is provided with on the basis of Figure 11.Illustrate three groups of fume purifying treating apparatus that constitute for core by cooking fume remover 4 among the figure, and be divided into the two-stage tandem structure.

The fume purifying treating apparatus of the parallel way that figure apoplexy machine enclosure 2a, oil smoke collector 3 and air inlet pipe 411a, escape pipe 412a, conflux tracheae 413a and a plurality of cooking fume remover 4a are the first order.The fume purifying treating apparatus that blower fan cabinet 2b, air inlet pipe 411b, escape pipe 412b and a plurality of cooking fume remover 4b are partial parallel way.The fume purifying treating apparatus that blower fan cabinet 2c, air inlet pipe 411c, escape pipe 412c and a plurality of cooking fume remover 4c are partial other one group of parallel way.The shared oil smoke collector 6 of partial two groups of fume purifier of fume.

Among Figure 13, offered two on two sides of oil smoke collector 6 respectively and discharged gas port 521, each is discharged gas port and is communicated with cooking fume remover 4b or c by tracheae 411b or c respectively.When work, soot gas from the process purified treatment of the first order, under the effect that is subjected to second

level blower fan

2b and 2c, sent into respectively among partial cooking fume remover 4b or the c by oil smoke collector 6, carry out the purified treatment second time, go up the outlet discharging that is provided with by

blower fan

2b and 2c then.

Embodiment five

As shown in figure 14, present embodiment is the further improvement of making on the basis of embodiment three and embodiment four, its difference is except that externally being provided with one with the casing of all parts in being wrapped in, the most important thing is in casing, also to have set up a range hood 8, below one end of this range hood 8 is uncovered, and its surface is provided with a plurality of connecting holes 81 around being distributed.Be connected with an end on the less end of tornadotron 42 diameters and connect tracheae 411, each connects tracheae 411 and all is communicated with a connecting hole 81.

When the present embodiment blower fan is worked, because ring is located at the strong suction of 42 pairs of range hoods of tornadotron, the 8 interior air around the range hood 8, make in this range hood 8 and form stronger negative pressure region, thereby having formed extraneous air flows to strong replenishing in the range hood 8, and then cause being sucked range hood 8 fast from the soot gas of range hood 8 belows, and enter in each tornadotron 42 by range hood 8, outdoor through being discharged into after the purified treatment.

The setting of range hood 8; not only can above the kitchen range top, constitute a larger area soot gas suction inlet; and since soot gas meet cold after; the tobacco tar particle that wherein carries can produce and condense; therefore, can play preliminary purification effect in advance, alleviate the purification intensity of tornadotron 42; that is to say, make the clean-up effect of whole device obtain further raising.

Figure 15 is the embodiment after series connection on the basis of Figure 14.The identical no longer explanation of its technical characterictic.

In Figure 13 and two application examples of Figure 15, after the high speed rotating centrifugal purifying oil fume of the first order, can in the process that second level fume purifying is handled, increase the absorption peculiar smell and remove particulate filtration material, sorbing material etc., the various tastes in the soot gas are eliminated.After in this manner soot gas being carried out purified treatment, not only can remove the tobacco tar particle, can also eliminate various smells, make the gas of discharging reach good quality, even can need not directly to be back to indoor to outdoor discharging.

Therefore, according to above-mentioned multistage purification processing mode, can also the present invention be made fume purifying treating apparatus or system multiple, multilevel hierarchy according to the specific design needs.

The present invention compares with existing smoke exhaust ventilator and has higher Practical Performance and the efficient of Geng Gao, but also can carry out the assembling of various ways structure.

Should be noted that at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, those skilled in the art is to be understood that: can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.

Claims

1, a kind of fume purifier of fume comprises the blower fan, oil smoke collector, cooking fume remover and the tracheae that are used to produce suction soot gas power, and it is characterized in that: described cooking fume remover is connected with described blower fan by described tracheae; Offer air admission hole on the described oil smoke collector, this air admission hole is connected with described cooking fume remover by described tracheae.

2, according to the described fume purifier of fume of claim 1, it is characterized in that: described cooking fume remover comprises a conical tornadotron, and the end that this tornadotron diameter is bigger is also detained and is provided with the outlet gas hood; Described tracheae is arranged on the top of this outlet gas hood, and exports the gas hood internal communication with this; The less end of this tornadotron diameter is provided with the connector that is connected with described tracheae.

3, according to the described fume purifier of fume of claim 2, it is characterized in that: the tube wall of described tornadotron is the double-decker that is provided with inner wall layer and outer wall layer, its inner wall surface is that the helical form of non-closure plays laid shoot or radial fluctuating projection, and described inner wall layer is provided with circular port or square groove.

4, according to claim 2 or 3 described fume purifier of fume, it is characterized in that: also buckle between end that the diameter of described tornadotron is bigger and the described outlet gas hood and be provided with screen pack.

5, according to the described fume purifier of fume of claim 2, it is characterized in that: the tube wall of described tornadotron is the double-decker that is provided with inner wall layer and outer wall layer, described inner wall layer is connected with described tracheae by the less end of diameter, and its described tracheae with the bigger end of diameter is not communicated with; Described outer wall layer is connected with described tracheae by the outlet gas hood of the bigger end of diameter, and its tracheae with the less end of diameter is not communicated with, and described inner wall layer and outer wall layer are communicated with by the filter course that is provided with between inner wall layer and the outer wall layer.

6, according to claim 2,3 or 5 described fume purifier of fume, it is characterized in that: described outlet gas hood is the arch gas hood that be located in the described outlet gas hood, this arch gas hood top is the opening that is communicated with described tracheae, is provided with a plurality of gases that flow through that make in this outlet gas hood and produces the flow deflector of the inclination of rotation; Have a plurality of spiral helicine projectioies that forced gas produces rotation that are used on the inwall of described arch gas hood; The orientation of described flow deflector is identical with the hand of spiral of described projection.

7, according to the described fume purifier of fume of claim 1, it is characterized in that: described oil smoke collector is that soot gas is assembled the container body, offers pore on this oil smoke collector, and this pore is connected with the tracheae that is connected cooking fume remover.

8, according to claim 1,2 or 5 described fume purifier of fume, it is characterized in that: described blower fan is arranged on the end of described outlet gas hood of the described tornadotron of described cooking fume remover, is connected by described tracheae; Described blower fan is axial flow blower or centrifugal blower.

9, described according to Claim 8 fume purifier of fume is characterized in that: offer the opposite air outlet of both direction on the housing of described blower fan, these two air outlets are connected with the outlet of offering on the casing respectively.

10, according to claim 1,2,3,5,7 or 9 described fume purifier of fume, it is characterized in that: the cooking fume remover setting that can a plurality ofly be arranged in parallel or connect.