CN201666605U - Cleaning system for fan and grease filter of range hood - Google Patents

Cleaning system for fan and grease filter of range hood Download PDF

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Publication number
CN201666605U
CN201666605U CN2010201052710U CN201020105271U CN201666605U CN 201666605 U CN201666605 U CN 201666605U CN 2010201052710 U CN2010201052710 U CN 2010201052710U CN 201020105271 U CN201020105271 U CN 201020105271U CN 201666605 U CN201666605 U CN 201666605U
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China
Prior art keywords
grease
grease filter
smoke exhaust
exhaust ventilator
filter
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Expired - Fee Related
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CN2010201052710U
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Chinese (zh)
Inventor
杨君华
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Jufu Invest Ltd
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Jufu Invest Ltd
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Abstract

A range hood cleaning system having a fan and an inclined baffle-type grease filter located below the fan. At least one conduit is located between the fan and the grease filter for directing cleaning fluid under pressure to the grease filter. At least one other duct is disposed between the fan and the grease filter for directing cleaning fluid under pressure to the fan. Grease flushed from the inclined grease filter is discharged into an inclined grease tray, then into a cup, and finally into a removable grease receptacle.

Description

The purging system of smoke exhaust ventilator fan and grease filter
Technical field
The application relates to a kind of system that is used for the fan and the grease filter of cleaning fan of sucking oil fume.
Background technology
Smoke exhaust ventilator is used in the kitchen range upper surface so that remove grease, common smell and the hazardous gas that produces in cooking process.Typically, smoke exhaust ventilator has pair of motors, and described motor flatly is installed in the interior motor field frame of smoke exhaust ventilator main body.Each Motor Drive one fan.Fan from following cooking zone draw gas and force its by motor field frame to ventilation shaft.
When the vaporization grease that is comprised in the skidding air is advanced by motor field frame, wherein a part condenses on the inwall of housing, and the shape of wall portion and the base plate of housing are directed to grease the circular grease gatherer that is installed in each fan lower opening portion from this position of condensing.The grease gatherer is in U.S. Patent No. 5,537, and 988 and No.6, be known in 216, the 686 described prior aries.
The grease gatherer also is applicable to catches any grease that drips down from fan blade after closing motor.The grease gatherer has the base or the base plate of inclination usually, thereby the grease of accumulation is directed in the hole in the base plate.Flexible pipe is connected to this hole, thereby grease is sent in the grease receiver that is removably mounted on the smoke exhaust ventilator outside.
As my U.S. Patent application No.10/035, disclosed in 116 and Canadian patent application No.2,365,790, alternately, motor field frame self can be used as the grease gatherer.In this system, the circular wall body that limits the motor field frame inlet vertically stretches into motor field frame, as the barrier that is accumulated in grease wherein.The grease of accumulation is directly discharged rather than is discharged to the grease gatherer from housing.The grease pallet that is inserted in the inlet provides barrier, so that air can suitably flow in the housing and catch any grease that just drips from fan.
Foregoing two kinds of designs utilize the feasible grease that accumulates that is used for of gravity to spill smoke exhaust ventilator.But gravity is inefficent for removing all greases, and the result is that some greases lump on inner surface, thereby has reduced the efficient of smoke exhaust ventilator.Therefore, the system of foregoing motor field frame and grease gatherer need carry out periodic manual the cleaning, so that remove the cohesion grease that is accumulated on fan, motor field frame inside and grease gatherer or the pallet.
Various trials have been carried out to overcome the problem of essential manual cleaning fan of sucking oil fume exhaust system inside.In the prior art, known that the washing fluid that provides under the pressure is so that clean the inside of exhaust system.For example, U.S. Patent No. 4,259,945 disclose a kind of exhaust system, and wherein, the washing fluid under the pressure is used to clean fan.Can be discharged to outside receiver because fan is arranged on the feasible fluid that is injected on the fan in discharge tube rear portion and its position, be possible so fan is cleaned.Similarly wash fluid system is in U.S. Patent No. 3,795, discloses in 181 and No.4,085,735.But the purging system of these prior aries is to be exclusively used in their smoke exhaust ventilator/discharge tube designs separately.
About having the smoke exhaust ventilator of motor field frame as previously described, also know a kind of purging system in the prior art.The fluid delivery nozzles is assemblied in the hole of motor case body side surface, sprays and cleans inside thereby transmit washing fluid.This operates in and activates motor and make the pressure that sucks the air in the motor field frame force the fluid that ejects to be resisted against on the surface, inside of motor field frame and undertaken when stoping any liquid by air intlet.But when the inside of motor field frame was cleaned by this system, it did not clean fan.
The top is pumped in the fat particles that produces in the cooking process thereby mesh type and Flapper type grease filter can be installed in cooking surface.But grease can be deposited on these mesh type and the Flapper type grease filter easily, thereby produces the danger of fire.Therefore, these mesh type and Flapper type grease filter must periodic manual clean, promptly by coming the wash oil grease filter to clean from smoke exhaust ventilator dismounting and use cleaning agent grease filter.This makes that the grease filter of cleaning fan of sucking oil fume is very time-consuming and is a very dirty job.
Summary of the invention
Therefore, technical problem to be solved by this invention provides a kind of purging system, and it is the fan and the grease filter of cleaning fan of sucking oil fume easily, and reduces the risk of fire.
For this reason, according to an aspect of the present invention, provide the purging system of a kind of smoke exhaust ventilator fan and grease filter, comprising:
(a) fan;
(b) place Flapper type grease filter below the described fan, described grease filter has the array of bottom grease channel and the array of the top grease channel that interlocks, described top grease channel extends above the slit between the grease channel of described bottom, thereby the qualification mulitpath is used to cook smog and passes through wherein;
It is characterized in that, place at least one first conduit between described fan and the described grease filter, be used for guiding the washing fluid under the pressure into described grease filter, one end of described at least one first conduit is provided with first nozzle, and the other end of described at least one first conduit is connected to the washing fluid groove.
In one embodiment, described smoke exhaust ventilator also comprises at least one second conduit that places between described fan and the described grease filter, is used for guiding the washing fluid under the pressure into described fan.One end of described at least one second conduit is provided with second nozzle, and the other end of described at least one second conduit is connected to the washing fluid groove.
In one embodiment, described at least one first conduit acutangulates the ground orientation with respect to described grease filter.
In one embodiment, described smoke exhaust ventilator comprises a plurality of first conduits that become the different angles orientation with respect to described grease filter, is used for the washing fluid under the pressure is guided into the zones of different of described grease filter.
In one embodiment, described at least one first conduit places on the end of described grease filter, is used for guiding the washing fluid under the pressure opposite end of described grease filter into from a described end of described grease filter.
In one embodiment, the described top grease channel of described grease filter and described bottom grease channel tilt.
In one embodiment, described at least one first conduit places the upper end of described grease filter, is used for the washing fluid under the pressure is guided into from the upper end of described grease filter the lower end of described grease filter.
In one embodiment, the described top grease channel of described grease filter and described bottom grease channel are downward-sloping towards the rear end of described smoke exhaust ventilator.
In one embodiment, described smoke exhaust ventilator also comprises the grease pallet of inclination, described grease pallet is positioned at lower end following of described grease filter and extends along the lower end of described grease filter, be used to collect the grease of discharging from described grease filter, the grease pallet of described inclination has a plurality of openings in its lower end.
In one embodiment, the grease pallet of described inclination is downward-sloping towards the rear end of described smoke exhaust ventilator.
In one embodiment, described smoke exhaust ventilator also comprises a plurality of lubricating cups, described lubricating cup lay respectively at described inclination the grease pallet a plurality of openings below, be used to collect the grease of discharging from described a plurality of openings.Each lubricating cup has the bottom discharge orifice.
In one embodiment, described smoke exhaust ventilator also comprises dismountable grease receiver, described grease receiver is connected to the diapire of described smoke exhaust ventilator removedly, and is positioned at the bottom of the described discharge orifice of described a plurality of lubricating cups, is used to collect the grease of discharging from described discharge orifice.
In one embodiment, described smoke exhaust ventilator also comprises the pump housing, is used for washing fluid is extracted out described washing fluid groove and guided the described washing fluid under the pressure into described grease filter and described fan.
In one embodiment, described washing fluid groove is arranged in the previous section of described smoke exhaust ventilator.
Therefore, the invention provides a kind of easily and simple method cleans the Flapper type grease filter in the smoke exhaust ventilator termly, remove grease filter and manual wash oil grease filter and need not the user from smoke exhaust ventilator, the disclosed purging system of the present patent application has reduced the danger of fire.
Though specific embodiment illustrates and described the present invention relatively, after those of ordinary skills read and understood this specification, know clearly to have various equivalents and modification very much.Invention among the application comprises all these equivalents and modification, and is only limited by the scope of claims.
Description of drawings
In the mode of example specific embodiment of the present invention is described now with reference to accompanying drawing, wherein:
Fig. 1 is according to the smoke exhaust ventilator fan of the embodiment of the invention and the sectional view of grease filter purging system;
Fig. 2 is the fan of smoke exhaust ventilator and the part viewgraph of cross-section of grease filter; And
Fig. 3 shows the bottom view of the smoke exhaust ventilator of grease filter.
The specific embodiment
Now will be in detail with reference to the preferred embodiments of the present invention, its example also is provided in the following description.Below described exemplary embodiment of the present invention in detail, but those of ordinary skill in the related art understanding obviously, for the sake of brevity, is not that some features of particular importance may not can illustrate for understanding the present invention.
In addition, should be appreciated that the present invention is not limited in following described accurate embodiment, those of ordinary skills can carry out various modifications and change to them, and amended technical scheme does not break away from spirit of the present invention or protection domain.For example, the element of different example embodiment and/or feature can mutually combine and/or trans-substitution mutually in the scope of this specification and claims.
For illustrative purposes, term " top ", " bottom ", " front portion ", " rear portion ", " top ", " bottom " that below occurs represented as the present invention orientation shown in the drawings.Should be appreciated that except specifying that the present invention can take all places.In addition, should be appreciated that shown in the accompanying drawing and specific device that describe in the following description only is an exemplary embodiment of the present invention.Therefore, relevant with following the disclosed embodiments specific dimensions and other physical attribute should not be considered to limitation of the present invention.
Fig. 1 is according to the smoke exhaust ventilator fan of the embodiment of the invention and the sectional view of grease filter purging system.Smoke exhaust ventilator by label 10 indications is installed in cooking surface top so that remove the undesired gas that produces in cooking process on the whole.Smoke exhaust ventilator 10 has outside cover body 12, and outside cover body 12 comprises top board 14, base plate 16, header board 18, back plate 20 and two side plates 22 and 24.
The top that fan and motor field frame 26 are installed in the outside cover body 12.In accordance with the embodiments illustrated, the size and dimension of fan and motor field frame 26 can be set to hold therein two fans and electric motor assembly 30, but smoke exhaust ventilator also can only have a fan and electric motor assembly.Each fan component 30 has fan 32 and motor 34.Each fan 32 is rotatably installed on the driving shaft of respective electrical motivation 34, and motor 34 is fixedly mounted in fan and the motor field frame 26.The inside of fan and motor field frame 26 can be coated with non-adhesive material, thereby assists in removing grease.
Fan and motor field frame 26 have air outlet slit 36.When fan and motor field frame 26 were in place, air outlet slit 36 stretched out by the opening on the top board 14 that is formed on cover body 12, and roughly placed in the middle between two side plates 22 and 24, has provided best demonstration among Fig. 2.
Smoke exhaust ventilator 10 also has the air intlet 40 that is formed on the base plate 16.In accordance with the embodiments illustrated, base plate 16 is downward-sloping towards the rear end of smoke exhaust ventilator 10.The Flapper type grease filter 38 that tilts passes air intlet 40 and is installed in removedly on the base plate 16.The Flapper type grease filter 38 that tilts can comprise the array of top grease channel 42 and the array of bottom grease channel 44.The array of the array of top grease channel 42 and bottom grease channel 44 can be interlaced, passes through wherein for culinary art smog thereby form a plurality of zigzag paths.Top grease channel 42 extends on gap that forms between the bottom grease channel 44 or slit, thereby limits a plurality of zigzag paths, is used for cooking process culinary art smog and passes through wherein.Top grease channel 42 and bottom grease channel 44 generally are the C shape in sectional view.
According to illustrated embodiment, the top grease channel 42 of the grease filter 38 of inclination and bottom grease channel 44 are downward-sloping towards the back plate 20 of smoke exhaust ventilator 10.As shown in Figure 3, Flapper type grease filter 38 is being generally rectangle in shape, thereby is suitable for being assembled in the cover body that is generally rectangle 12 of smoke exhaust ventilator 10.
In cooking process, the fan 32 of activation can be from cooking surface top and by the 40 suction culinary art smog of the air intlet on the base plate 16 of smoke exhaust ventilator 10, as shown in phantom in Figure 2.Then, the zigzag path of culinary art smog by baffle type grease filter 38, discharge smoke exhaust ventilators by fan and motor field frame 26 and by air outlet slit 36.
When the zigzag path of culinary art smog by Flapper type grease filter 38, grease will adhere on the inner surface of top grease channel 42 and accumulation and finally falling in the bottom grease channel 44 on this position.Because grease filter 38 tilts, so the grease of falling in the bottom grease channel 44 of inclination will finally leave grease filter 38 by the effect of gravity.But, should be appreciated that some greases will keep boning and being deposited on the inner surface of top grease channel 42 and bottom grease channel 44 inevitably after each cooking process.This makes the grease deposition increase, thereby if not termly grease filter being disassembled and manual the cleaning, then can cause fire.
By providing a kind of easily and simply method to clean the Flapper type grease filter in the smoke exhaust ventilator termly and need not require the user to remove grease filter and manual wash oil grease filter from smoke exhaust ventilator, the disclosed purging system of the present patent application can reduce the danger of fire.
Purging system comprises a plurality of pipelines or the conduit of being represented by label 54 substantially.Described a plurality of conduit is connected so that extend from washing fluid groove 50, thereby the washing fluid in the washing fluid groove 50 is guided to the zone of the smoke exhaust ventilator 10 that will clean.Washing fluid groove 50 can be arranged on the previous section in the cover body 12.Washing fluid groove 50 has the opening 52 that is positioned on the header board 18, and the container 53 that is used for having a mouth of pipe by use refills washing fluid from the outside of smoke exhaust ventilator 10.Washing fluid can be cleaning agent or any other suitable cleaning agent.Traditional water pump (not shown) is used for extracting washing fluid out washing fluid groove 50.
A plurality of conduits 54 comprise centre pipe 56, this centre pipe 56 from washing fluid groove 50 towards fan and motor field frame 26 and the grease filter 38 that tilts extend a bit of distance.Transverse conduit 58 is generally perpendicular to centre pipe 60, and can be connected to centre pipe 56.For the smoke exhaust ventilator 10 with two fans and electric motor assembly 30, transverse conduit 58 extends to another fan and electric motor assembly 30 from a fan and electric motor assembly basically.
A plurality of conduits 60 extend and enter the space between the grease filter 38 of fan and electric motor assembly 30 and inclination from transverse conduit 58.Each conduit 60 can have towards top 62.Nozzle 64 be fixedly attached to conduit 60 on the top on top 62, be used for the washing fluid under the pressure is guided into the fan 32 of fan and electric motor assembly 30.For smoke exhaust ventilator 10 with two fans and electric motor assembly 30, can there be two conduits 60 with two nozzles 64, be used for cleaning respectively two fans 32 of two fans and electric motor assembly 30.
In cleaning process, fan 32 can be opened, thereby fan 32 can guide some washing fluids to be resisted against on the inner surface of fan and motor field frame 26.Grease from fan 32 and fan and motor field frame 26 drippages in the cleaning process can be collected and be discharged by flexible pipe 67 by annular grease gatherer 65.
A plurality of inclined conduits 66,68 can extend downwards towards the zones of different of the grease filter 38 that tilts from conduit 60 with different angles.According to illustrated embodiment, inclined conduit 66 extends downwards from conduit 60 with certain angle.The free-ended nozzle 70 that is fixedly connected to inclined conduit 66 can be guided the washing fluid under the pressure into the upper end of the grease filter 38 of inclination.Inclined conduit 66 is the acute angle orientation with respect to the grease filter 38 that tilts.
Equally, inclined conduit 68 extends downwards with another angle from conduit 60.The free-ended nozzle 72 that is fixedly connected to inclined conduit 68 can be guided the washing fluid under the pressure into another zone on top of the grease filter 38 of inclination.Inclined conduit 68 also is the acute angle orientation with respect to the grease filter 38 that tilts.
Though having illustrated and described inclined conduit 66,68 is connected to conduit 60 and extends from conduit 60, but those of ordinary skill in the art is to be understood that, inclined conduit 66,68 can be connected to transverse conduit 58 or extend from transverse conduit 68, and perhaps inclined conduit 66,68 can be directly connected to washing fluid groove 50 and extend from washing fluid groove 50.
Inclined conduit 66,68 can spray to the top of the grease filter 38 of inclination by nozzle 70,72 with the washing fluid under the pressure respectively, and grease is driven and is flushed to the bottom of the grease filter 38 of inclination from described top.This can wash grease downwards from the inner surface removal grease of top grease channel 42 and along bottom grease channel 44 towards the bottom of the grease filter 38 that tilts.
Though it is downward-sloping towards the rearward end of smoke exhaust ventilator 10 to have illustrated and described grease filter 38, it should be understood by one skilled in the art that grease filter 38 can horizontal orientation.Inclined conduit 66,68 still can be respectively sprays to an end of grease filter 38 by nozzle 70,72 with the washing fluid under the pressure, and grease is driven and is flushed to a relative end from an end of grease filter 38.
Purging system can comprise the grease pallet 80 of inclination.The grease pallet 80 that tilts can be arranged on grease filter 38 following of inclination and extend along the lower end of the grease filter 38 that tilts, and is used to collect from the grease of the lower end drippage of the bottom grease channel 44 of the grease filter 38 that tilts.The grease pallet 80 that tilts can be installed on the inner surface of base plate 16 of inclination.
According to illustrated embodiment, the grease pallet 80 of inclination is downward-sloping towards the back plate 20 of smoke exhaust ventilator 10.The grease pallet 80 that tilts can be a rectangular shape and a relative side that usually extends to grease filter 38 from a side of the grease filter 38 that tilts on the whole.The lower end of the grease pallet 80 that tilts is provided with a plurality of grease tray openings 82.
Though illustrated and described grease filter 38 that tilts and the grease pallet that tilts 80 downward rear ends inclinations towards smoke exhaust ventilator 10, but it should be understood by one skilled in the art that the grease filter 38 of inclination and/or the grease pallet 80 that tilts can be downward-sloping towards the side plate 22,24 of smoke exhaust ventilator 10.
A plurality of lubricating cups 86 can be installed in below a plurality of grease tray openings 82 respectively below the lower end of grease pallet 80 of inclination, are used to collect the grease of discharging from the grease tray openings 82 of the grease pallet 80 that tilts.Each lubricating cup 86 has the discharge orifice 88 that is formed on its diapire.The grease that is collected in the lubricating cup 86 can be discharged in dismountable grease receiver 90 by discharge orifice 88, and described grease receiver 90 is connected to the diapire 92 of smoke exhaust ventilator 10 removedly.
Though the present invention is illustrated and describes with reference to a plurality of preferred embodiments especially, should be noted that and to carry out various other modification or modification to the present invention that the technical scheme after described modification or the modification does not break away from the scope of claims.

Claims (14)

1. the purging system of smoke exhaust ventilator fan and grease filter comprises:
Fan;
Place the grease filter below the described fan, described grease filter has the array of bottom grease channel and the array of top grease channel, extend above the slit of described top grease channel between the grease channel of described bottom, thereby limit mulitpath, be used to cook passage of smoke wherein;
It is characterized in that, place at least one first conduit between described fan and the described grease filter, be used for guiding the washing fluid under the pressure into described grease filter, one end of described at least one first conduit is provided with first nozzle, and the other end of described at least one first conduit is connected to a washing fluid groove.
2. the purging system of smoke exhaust ventilator fan according to claim 1 and grease filter, also comprise at least one second conduit that places between described fan and the described grease filter, be used for guiding the washing fluid under the pressure into described fan, one end of described at least one second conduit is provided with second nozzle, and the other end of described at least one second conduit is connected to described washing fluid groove.
3. the purging system of smoke exhaust ventilator fan according to claim 1 and grease filter, wherein, described at least one first conduit acutangulates the ground orientation with respect to described grease filter.
4. the purging system of smoke exhaust ventilator fan according to claim 1 and grease filter, comprise with respect to a plurality of first conduits of described grease filter, be used for the washing fluid under the pressure is guided into the zones of different of described grease filter with the different angles orientation.
5. the purging system of smoke exhaust ventilator fan according to claim 1 and grease filter, wherein, described at least one first conduit places on the end of described grease filter, is used for guiding the washing fluid under the pressure opposite end of described grease filter into from a described end of described grease filter.
6. the purging system of smoke exhaust ventilator fan according to claim 1 and grease filter, wherein, the described top grease channel of described grease filter and described bottom grease channel tilt.
7. the purging system of smoke exhaust ventilator fan according to claim 6 and grease filter, wherein, described at least one first conduit places the upper end of described grease filter, is used for the washing fluid under the pressure is guided into from the upper end of described grease filter the lower end of described grease filter.
8. the purging system of smoke exhaust ventilator fan according to claim 6 and grease filter, wherein, the described top grease channel of described grease filter and described bottom grease channel are downward-sloping towards the rear end of described smoke exhaust ventilator.
9. the purging system of smoke exhaust ventilator fan according to claim 1 and grease filter, the grease pallet that also comprises inclination, described grease pallet is positioned at the following of described grease filter one end and extends along described grease filter one end, be used for collecting grease from described grease filter one end, the grease pallet of described inclination has a plurality of openings in its lower end.
10. the purging system of smoke exhaust ventilator fan according to claim 9 and grease filter, wherein, the grease pallet of described inclination is downward-sloping towards the rear end of described smoke exhaust ventilator.
11. the purging system of smoke exhaust ventilator fan according to claim 9 and grease filter, also comprise a plurality of lubricating cups, described lubricating cup lay respectively at described inclination the grease pallet a plurality of openings below, be used to collect the grease of discharging from described a plurality of openings, each lubricating cup has a bottom discharge orifice.
12. the purging system of smoke exhaust ventilator fan according to claim 11 and grease filter, also comprise dismountable grease receiver, described grease receiver is attached to the diapire of described smoke exhaust ventilator removedly, and be positioned at the bottom of the described discharge orifice of described a plurality of lubricating cups, be used to collect the grease of discharging from described discharge orifice.
13. the purging system of smoke exhaust ventilator fan according to claim 2 and grease filter also comprises the pump housing, is used for washing fluid is extracted out described washing fluid groove and guided the described washing fluid under the pressure into described grease filter and described fan.
14. the purging system of smoke exhaust ventilator fan according to claim 1 and grease filter, wherein, described washing fluid groove is arranged in the previous section of described smoke exhaust ventilator.
CN2010201052710U 2009-12-28 2010-01-27 Cleaning system for fan and grease filter of range hood Expired - Fee Related CN201666605U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HK09112214.6 2009-12-28
HK09112214A HK1136939A2 (en) 2009-12-28 2009-12-28 Range hood fan and grease filter cleaning system

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CN201666605U true CN201666605U (en) 2010-12-08

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104296215A (en) * 2014-10-09 2015-01-21 长兴晨怡电子器材有限公司 Multifunctional integrated cooker
CN107763691A (en) * 2017-10-09 2018-03-06 广东美的厨房电器制造有限公司 The control method and cigarette machine purging system and cigarette machine of cigarette machine purging system
CN109482545A (en) * 2018-11-05 2019-03-19 河南博联慧绿环保科技有限公司 A kind of Oil-gas Separation level Four decontamination apparatus with automatic cleaning function
CN113124442A (en) * 2021-06-02 2021-07-16 赣州市绿之蓝空气治理有限公司 Oil fume purifier

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104296215A (en) * 2014-10-09 2015-01-21 长兴晨怡电子器材有限公司 Multifunctional integrated cooker
CN104296215B (en) * 2014-10-09 2017-02-15 中山市航尔电器实业有限公司 Multifunctional integrated cooker
CN107763691A (en) * 2017-10-09 2018-03-06 广东美的厨房电器制造有限公司 The control method and cigarette machine purging system and cigarette machine of cigarette machine purging system
CN107763691B (en) * 2017-10-09 2019-05-31 广东美的厨房电器制造有限公司 The control method and smoke machine cleaning system and smoke machine of smoke machine cleaning system
CN109482545A (en) * 2018-11-05 2019-03-19 河南博联慧绿环保科技有限公司 A kind of Oil-gas Separation level Four decontamination apparatus with automatic cleaning function
CN113124442A (en) * 2021-06-02 2021-07-16 赣州市绿之蓝空气治理有限公司 Oil fume purifier

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