CN104848275A - Completely-closed disassembly-washing-free dual annular air knife environmental-protection type kitchen oil fume exhaust ventilator - Google Patents
Completely-closed disassembly-washing-free dual annular air knife environmental-protection type kitchen oil fume exhaust ventilator Download PDFInfo
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- CN104848275A CN104848275A CN201410052256.7A CN201410052256A CN104848275A CN 104848275 A CN104848275 A CN 104848275A CN 201410052256 A CN201410052256 A CN 201410052256A CN 104848275 A CN104848275 A CN 104848275A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2028—Removing cooking fumes using an air curtain
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Abstract
The present invention relates to a completely-closed disassembly-washing-free dual annular air knife environmental-protection type kitchen oil fume exhaust ventilator, and belongs to the field of environmental-protection type kitchen electric apparatuses. The completely-closed disassembly-washing-free dual annular air knife environmental-protection type kitchen oil fume exhaust ventilator is characterized in that an under-laying annular air knife placed around a gas stove is communicated with a right air blower arranged outside a Laval pipe fume collection cover inside a top-laying box through a gas pipe close to the middle portion of the wall, an over-laying annular air knife on the upper end of the Laval pipe fume collection cover is communicated with a left air blower, and the upper end of the Laval pipe fume collection cover is communicated with a separated oil fume gas separator. The standard type oil fume exhaust ventilator is widely suitable for family kitchens and medium, small and micro catering industries, can be suitable for large and medium catering industries if being matched with the annular sprayer, can completely purify the oil fume and discharge the oil fume to the outside, and further has the following characteristics that: the whole shape and the whole structure are simple, firm and durable, the complete members excluding the separated oil fume gas separator do not require disassembly washing and maintenance and can never be damaged, the service life is up to more than or equal to 10 years, and advantages of low noise, safety, gas saving, water saving, low maintenance cost, and low price are provided.
Description
Technical field
The present invention relates to a kind of totally-enclosed exempting from and unpick and wash Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber, it belongs to environmental protection type kitchen appliance field.
Background technology
The present invention relates to a kind of totally-enclosed exempting from and unpick and wash Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber, belong to environmental protection type kitchen electrical equipment.
One. household smoke exhaust ventilator present situation
Kitchen fumes pollutes has certain influence to health, makes human respiratory tract's mucous membrane impaired, reduces immune function of human body, cause suffering from nasopharyngeal carcinoma, lung cancer, laryngocarcinoma possibility greatly increase.Kitchen fumes also stimulates the eyes of people, thus brings out angiocardiopathy.
Because household gas range three face is all unlimited, current panoramic household smoke exhaust ventilator does not all have absolutely oil smoke to be rejected to open air.At present in the patent of 1,200 kinds of household smoke exhaust ventilators, no matter be overhead type deep hood type, shallow cover type, or lateral cooker hood, overflow from limit always the smoke exhaust ventilator of all structures has oil smoke.Especially the plate smoke exhaust ventilator of overhead, the situation that oil smoke overflows is more serious.Producer is no wonder had commercially to release the smoke exhaust ventilator of speciality extra wide again.It grows 30 centimetres than general smoke exhaust ventilator in the longitudinal direction, in the direction of the width then wide go out 15 centimetres.And the top of lateral cooker hood and side are due to inadequate without blocking or block width, fumes escaping is had to go out equally.
At present in what is called " totally-enclosed smoke exhaust ventilator " that is commercially available and that occur in the patents such as application for a patent for invention number 03114827.1, be actually and adopt exhaust fan and fiberglass as ceiling, stainless steel angle steel as support, with glass or certain fabric or transparent material at gas-cooker three or circumferential closed cabinet (bucket) formula smoke exhaust ventilator.Its shortcoming is apparent: sight line smooth, operation inconvenience during cooking, oil smoke can be run out when opening the door, and cupboard inside needs cleaning frequently, time-consuming, and the Modern Decorative in this indigenous method and kitchen or parlor is extremely inharmonious.
In recent ten years, some patents propose and adopt air curtain local or all close oil smoke, this imagination very well, but technically but there is deviation what how to produce air curtain, and more or less all there are some problems result of use, the more important thing is that these patents are not also really implemented.Dissect for some more typical patents below:
The ZL patent No. 02245890.5 adopts the pipe of holing in gas-cooker surrounding to produce air curtain, and certainly have the hermetic effect of oil smoke, natural exhaust fume collecting hood and motor also can in order to avoid unpick and wash.Its shortcoming is exactly produce the motor of air curtain and long long airduct all in outdoor mounted, and wall also will make a call to two holes, and this design can only be used in the resident family staying in one-storey house, and the building user that the family overwhelming majority is occupied in the whole nation all cannot implement.Whole commercialization of design degree is too poor, and therefore it cannot be promoted.Also have several patent to propose to do underfloor vent pipe or ventilating water pipe, do not have which user can go oneself to go to implement.
The ZL patent No. 98234620.6 produces downward gas curtain along three limits under adopting smoke exhaust ventilator, is three faces to the sealing of oil smoke.But the technology producing gas curtain is but a large problem: this patent does not have significant improvement to the technology of existing smoke exhaust ventilator, therefore its gas curtain is laid by blower fan with the oil smoke be drawn into from the kitchen range top to be formed again, can this be called " smoke exhaust ventilator "? oil smoke is pumped up and send again, does not this make an unnecessary move? the smoke exhaust ventilator of this patent does not a bit purify oil smoke, does not meet the requirement of Environmental Protection Agency to kitchen discharge fume purifying degree.
ZL patent No. 200610081225.X solves the ZL patent No. 98234620.6 open question, and adopt two cover motor and fans, a sleeve pipe smoke pumping, a sleeve pipe produces downward air curtain.But the direction that moves downward of air curtain follows the oil smoke direction of motion upwards just in time contrary, this is unfavorable for that oil smoke moves upward, it can drive the periphery oil smoke of tens of air curtain air quantity times to move downward, and the turbulent flow of this cooking fume makes lampblack-pumped efficiency greatly reduce.Air curtain or the large Eight characters of this patent open downwards, also affect the effect of isolating oil soot.The patent of many invention air curtains carrys out isolating oil soot along producing downward air curtain under mostly adopting the exhaust fume collecting hood of overhead smoke exhaust ventilator, does inventor have the shortcoming not expecting this scheme? another one shortcoming, this invention does not a bit avoid the common defect of common smoke exhaust ventilator: still need to unpick and wash fan electromotor and blade.
This invention of utility model patent Authorization Notice No. CN201748514U adopts motor two sleeve impeller to realize launching air curtain downwards, upwards extract the object of oil smoke, shortcoming is that the direction that moves downward of air curtain follows the oil smoke direction of motion upwards just in time contrary, cause the turbulent flow of upwards cooking fume, the turbulent flow of this cooking fume makes lampblack-pumped efficiency greatly reduce.Air curtain or the large Eight characters of this patent open downwards, also affect the effect of isolating oil soot.Also need to unpick and wash fan electromotor and impeller.
Application for a patent for invention publication No. CN101858613A attracts oil smoke to move to smoke exhaust pipe along producing air-flow upwards under tubaeform exhaust fume collecting hood, again can isolating oil soot to the pollution of exhaust fume collecting hood inner surface, avoid unpicking and washing of motor and fan.Its shortcoming to intercept the oil smoke of blowing out outside exhaust fume collecting hood.
The effect of application for a patent for invention publication No. CN101936563A and this invention isolating oil soot of utility model patent Authorization Notice No. CN201819289U is pretty good.Shortcoming is that the blade of pipeline fan still has oil smoke to stain.Below the kitchen range top, air blast is housed, concerning troubles of a finishing many user.
Four patents such as application for a patent for invention publication No. CN102042630A, utility model patent Authorization Notice No. CN201983324U, application for a patent for invention publication No. CN102052701A and utility model patent Authorization Notice No. CN202002180U, using same schematic diagram of structure, is therefore a type technically: namely adopt Venturi tube and Roots blower.Application for a patent for invention publication No. CN102042630A, utility model patent Authorization Notice No. CN201983324U two pieces patent of invention have and clearly represents.If really can implement, result of use should be good.The main defect of common smoke exhaust ventilator is effected a radical cure; Oil smoke obtains hermetically sealed, and fan electromotor, impeller been have not have not all been unpicked and washed.One of problem is that the air inlet hush pipe of Roots blower is all very long with hush pipe of giving vent to anger, whether the Roots blower of minimal type just not hush pipe? two of problem is that the volume of Roots blower is very large, its weight, air quantity, blast, power of motor, price are all very high, if select the Roots blower of the minimal type that can go in the volume of smoke exhaust ventilator, air quantity is inadequate (0.1-0.5m again
3/ point), and weight still has tens kilograms.Three of problem is smoke exhaust ventilators of these four patents is all the design of a bite pot, but on market at a glance stove can have, smoke exhaust ventilator did not have at a glance.Even if produced smoke exhaust ventilator at a glance by these patent workings, this at a glance smoke exhaust ventilator also no one buy.Four of problem is in exhaust fume collecting hood central authorities or adopts filter screen to filter oil smoke, and filter screen is all too limited to the clean-up effect of oil smoke.
Within 2003, solve only with the smoke-guiding machine commercially occurred for 2006 in 20 patents such as the utility model ZL patent No. 03262178.7 grade and gas-cooker three side sealing is closed, and the wall not obtaining closing still speckles with greasy.And its three inflatable mouths discontinuous, its two elbows and a central electronic control device do not have nozzle, and therefore three faces are not also closed completely, also have some oil smoke to run out unavoidably.The shortcoming that smoke-guiding machine is the most fatal is that strength is disperseed very much, and air velocity is very low, and only have 2.5-3 meter per second, blast is upwards decayed rapidly.Because air flow impulse is not strong, candle all can not be blown out, so it is not strong to lead cigarette ability, the flue gas mist of oil that its air curtain only can isolate above frying pan pot mouth 40 centimetres does not allow and leaks, up edge under 25 centimetres to lampblack absorber again, smoke-guiding machine air curtain strength rebounds immediately completely without the stop that the flue gas mist of oil of, rising is subject to overhead range hood baffle and leaks.What is called has had smoke-guiding machine the flue gas of pump drainage 99% to be impossible completely.Should say and use smoke-guiding machine to have a use than not using smoke-guiding machine, but smoke-guiding machine also only only plays an effect of crowding around cooking fume, it does not have ability to drive flue gas up to send in the smoking port of smoke exhaust ventilator at all.Also have electromechanical structure and the complex process of this smoke-guiding machine, it will produce micromachine and impeller in cross dimensions less than the space of 35 millimeters, manufacture and maintenance cost is high on the one hand, and the air quantity large blower fan the same as blast that it will be worked out as common smoke exhaust ventilator is on the other hand completely impossible.
Special needs to be pointed out is all types of smoke exhaust ventilators popular in the world at present, completely adopt negative pressure extracting oil smoke.According to pneumatic conveying principle, the half of the energy force rate malleation insufflation potential of negative inspiratory pressure less than.Its suction only has apart from effective during 20 centimetres, air port, does not far work.In addition oil smoke all also will be subject to the stop of baffle plate, grid, filter screen and blower fan, fan blade in the process extracted.Have a lot of lampblack absorber also all catchment cup to be arranged on the middle of lampblack absorber smoking port, its filter screen is exactly block oil smoke at the first critical point of smoking passage to enter smoke discharging pipe.Filter screen have one deck, two layers or multilayer, filter opening has square, rhombus, circle etc., object posts to wish by filter screen, oil smoke to be blocked, but from service condition so for many years, the non-constant of effect of this solution, even if filter screen little to 0.01 square centimeter time, still have the oil smoke of 37% can't stop, the opening of sieve of the most cigarette machine in market, all at about 0.04 square centimeter, is thus exactly almost directly discharged.Soon be easy to be stuck with paste full by oil stain because filter screen uses again, smoke exhaust ventilator suction at this moment completely without, half newspaper is all inhaled and is not lived.Cause again a large amount of uneven long-pending oil of draught fan impeller, blower fan rotates and loses dynamic balancing, so suction effect naturally just worse and worse, its mechanicalness noise is also just increasing.But pull down catchment cup and filter screen, the suction of blower fan still can hold a millboard.So the smoking rate of all lampblack absorbers namely 60% on the market.And be bonded at baffle plate, grid, filter screen and blower fan, fan blade greasy or need cleaning unavoidably.The side-suction type range hood not having oil catcher to stop then allows oil stain stay in the crack of casing internal layer, turn increases the trouble of cleaning oil stain.After all, range hood on the market newly installs rear firm used time effect well at present, has crossed some months just little spirit substantially, on the wall that the oil smoke spot of spilling starts to be bonded at gas-cooker side everywhere and other places, corridor, kitchen.
Make a general survey of on market and panoramic smoke exhaust ventilator in more than 1,000 kind of patent, the overwhelming majority is the function to cooking fume-collecting and purification, be placed in same cabinet all together, user has to smoke exhaust ventilator to be torn open greatly unload greatly when cleaning fan blade, extremely wastes time and energy.
Also have a lot of patent to propose to do multifunctional cooker hood, what multimedia, hot water, refrigeration, menu, monosodium glutamate, generating, micro-wave oven, TV etc., business is not all done well, does not is not doing those results seem very unnecessary?
Two. catering range hood present situation
Gas-cooker three face used due to catering trade is also all unlimited, and the smoke exhaust ventilator that current panoramic catering trade uses all does not have absolutely oil smoke to be rejected to open air yet.The exhaust fume collecting hood form that uses of catering trade is just several now, point common exhaust fume collecting hood, hydro-vent, luxury collection smoke box cover.Due in the space above gas-cooker, three faces are all unlimited, and therefore their common shortcomings are: elegant smoke flaring can not be gone along the oil smoke inspiration beyond scope.Elegant oil smoke beyond exhaust fume collecting hood has completely been stained with very thick oil stain the ceiling in kitchen and exhaust fume collecting hood top, smoke discharging pipe, electric fan, illuminating lamp, is difficult to cleaning.Because oil smoke easily spreads, kitchen air quality is also not very good.
The collection cigarette part of common exhaust fume collecting hood and luxury collection smoke box cover all adopts the grid of labyrinth structure, filter screen by stopping that oil smoke motion gathers mist of oil, when user does not remove the oil stain at the positive back side of screen in time, cross the narrower smoke evacuation system that easily causes in cigarette gap obstructed, as being also easy to breaking out of fire when cooking with heavy oil vigorous fire.
The key of hydro-vent result of use to form continuous print water curtain, and need to carry out periodic cleaning to circulation.In fact by poor management, current most of hydro-vent cannot form continuous water curtain, and just defines the water droplet of Generation-Atomic Fluorescence Spectrometry or little water column, the therefore non-constant of result of use.The mistake cigarette gap of hydro-vent is narrower, easily causes smoke evacuation system obstructed.The shortcoming of hydro-vent is also show very much: water consumption is large: 3m
3/ hour; Blower fan easily malfunctioning, the nozzle of long-pending oil, electrically complicated easily short circuit amasss oil pole and easily blocks; Maintenance cost is high.
The oil stain that the electrostatic oil and smoke cleaner that current catering trade uses in a large number is all wanted clearing electrode is stained with for every one or two week, because expense makes too greatly hotel owner not survey heavy burden, current user selects a Ge Yueqing producer messenger cleaning once, the clean-up effect of electrostatic oil and smoke cleaner to oil smoke has then been well imagined at ordinary times, and having revealed is exactly an ornament.
In big-and-middle-sized food and drink place, although mostly installed smoke evacuation system, but all smoke exhaust fans are arranged on outdoor or roof, the smoke discharging pipe that centre length is long couples together with exhaust fume collecting hood, the high-power blower adopted from exhaust fume collecting hood distance very away from, therefore the exhaust fume collecting hood hole suction losses of carrying out negative inspiratory pressure to the oil smoke above gas-cooker is a lot.And the cooking fume control equipment of quite a few is owing to designing unreasonable or mismanagement, purification efficiency is low, does not reach the effect of anticipation.
The most serious problem is that smoke discharging pipe back warp often gathers a large amount of oil stains, if after causing deep fat on fire when cooking with heavy oil vigorous fire, flame can be altered rapidly inlet pipe road and is easy to cause raging flames to cause fire disaster accident.Often when a fire starts and spreads, also get by with spray above the chafing dish that gas-cooker is lighted, and spray is also helpless when putting out the big fire in smoke discharging pipe.Not only spray don't work, and also can not find the fire extinguisher canvas hose that can meet an urgent need and uses, have to look at violent big fire helplessly and alter roof, burn dining hall even outdoor in kitchen.
In order to prevent smoke discharging pipe on fire, constantly remove the oil stain in pipeline.But this work is extremely time-consuming, and expensive especially.So the disaster hidden-trouble caused not in time due to the oil stain removed in pipeline also exists always.
Also has the stir-fry dish cooked in a small wok, meaning the food is prepared with special care restaurant in the outdoor barbecue on street, little gear, lane, street corner, every day, oil smoke billowed, especially pendulum barbecue spreads out, barbecue boss is also choked can't keep one's eyes open by dense smoke, and going on road is oil smoke entirely in air, is oil stain entirely on the ground, complaints are heard everywhere in surrounding resident family, every night, family was all one pungent greasy smell, and window all dare not be opened along the street, and pedestrians also moan and groan.In order to administer haze weather, Chinese Ministry of Environmental Protection and various places government sternly forbid in recent years " at the outdoor barbecue in the public place of Urban Areas, (window) barbecue of sitting on the fence ", and therefore the street corner barbecue of some large size cities almost disappeares completely.
Described in utility model patent Authorization Notice No. CN202109560U patent, off-premises station volume is smaller, and structure is also more novel, unfortunately just strengthens driving to open air of oil smoke and send, and show no sign of any purification.Therefore on the exterior wall below off-premises station, grunge pollution can be quite serious, affects the appearance of the city.
Very simple described in utility model patent ZL200820068100.8 patent, exactly machine oil pot have been hung on outdoor wall just, shortcoming only depicts sketch, do not have structure chart, so when making people think that user climbs to stretched oil-collecting kettle on windowsill, security is too poor.
Described in patent of invention notification number CN101718449A, application for a patent for invention publication No. CN101520199A patent, chimney structure is huger, not wind resistance, poor stability, and way is also more ancient, and the filtering material of use cannot be cleared up and change.
In utility model patent Authorization Notice No. CN201836957U patent, eliminate smoke evacuation system, allow circularly purifying in the return emission-free range hood of oil smoke in exhaust fume collecting hood.Its shortcoming be axial flow blower all the time under the exerting a gradual, corrupting influence on of oil smoke, on housing, blade and motor, oil stain needs often cleaning, time-consuming.Elegant smoke flaring can not be gone along the oil smoke inspiration beyond scope.
In application for a patent for invention publication number CN101520201A patent, the oil stain in flue can not be discharged in oil collection box completely, and flue inner wall speckles with many oil stains in the same old way, therefore equally keeps away the danger of unavoidable breaking out of fire.Elegant smoke flaring can not be gone along the oil smoke inspiration beyond scope equally in addition.
Summary of the invention
the operation principle of underlying ring-like air knife:
1. air blast throws air knife cavity into air, air-flow by after narrow, carefully thin nozzle along air knife length direction formed a high pressure, at a high speed, fine and close, continuous, the balanced thin cutter of gapless air-flow, thus effectively stop that oil smoke is to gas-cooker external diffusion, plays the effect of accessible isolation, shielding oil smoke.
2., again due to the principle of air amplification, the oil smoke that the thin cutter of air-flow drives 25 times of flows on the one hand rushes at exhaust fume collecting hood, isolates oil smoke again, in order to avoid oil stain stains the inwall of exhaust fume collecting hood on the other hand in convergent-divergent channel exhaust fume collecting hood inner surface.
on put the operation principle of circular air knife and annular spray device:
1. convergent-divergent channel exhaust fume collecting hood.Convergent-divergent channel exhaust fume collecting hood is a kind of one large one small tubaeform pipe by Surface forming, and dehisce in order to collection oil smoke downwards for large one, little one upwards in order to discharge oil smoke.Inner surface smooth curve curvature is smooth, and sectional area reduces gradually, enables cooking fume against curved surface and has no to move upward with stopping, cooking fume can never be caused to rebound.Also because horizontal sectional area constantly shrinks, according to flow invariance principle, flue gas flow rate constantly increases, and the flow velocity that the velocity ratio convergent-divergent channel exhaust fume collecting hood that flue gas arrival horn mouth terminal and trunnion are just held just is held can increase 18-25 doubly.
2. on, put circular air knife.After air blast throws annular chamber into air, flow through nozzle ring at a high speed.Effect principle is reached according to aerodynamics Koln, this strand of primary airstream is adsorbed on the surface of pipeline, so the heart produces a low-pressure area in the cavities, thus around a large amount of flue gases is inhaled into, just formed after primary airstream and surrounding oil smoke air-flow converge high wind speed, high air quantity, high blast air-flow flow out from smoke discharging pipe.On put circular air knife and play a part isolated, shielding oil smoke at the smoke discharging pipe of exhaust fume collecting hood, in order to avoid oil stain stains the inwall of smoke discharging pipe.Again due to the principle of air amplification, circular air knife can drive the oil smoke of 25 times of flows to rush at split type cooking fume separator with the speed of 25 meter per seconds.
3. annular spray device.Big-and-middle-sized catering trade need support the use annular spray device.The flue gas entering trunnion again by put circular air knife accelerate, the globule of annular spray device ejection clash into by this strand of high velocity smoke and be atomized, grit in flue gas and oil droplet contact with water smoke and lubricated, after entering smoke discharging pipe, flow velocity reduces gradually, oil droplet increases gradually, finally enters Whirlwind type oil fume moisture trap (commercially available).
split type cooking fume separator work principle:
Big-and-middle-sized catering trade uses during annular spray device need support the use Whirlwind type oil fume moisture trap, and water and oil droplet are separated by Whirlwind type oil fume moisture trap by the oil smoke air water of discharge, and the flue gas after purification discharges from blast pipe.The oil smoke of medium and small miniature catering trade and household smoke exhaust ventilator is then discharged to split type cooking fume separator.Oil smoke enters split type cooking fume separator first through the even wind of even wind device, then first order screen pack is entered, remove the oil mist particles of more than 5 μm, second level screen pack removes the oil mist particles of more than 1 μm, third level screen pack removes the oil mist particles of more than 0.3 μm, and the flue gas after purification discharges from blast pipe.When oil smoke is with high speed impact blade, make blade rotate rapidly and balancedly be thrown away to surrounding by oil smoke, after clashing into housing wall, oil droplet increases, and falls into bottom oil collection box, remaining gas upwards by filter screen filtration, the effect of Here it is even wind device.
One. family expenses drive row lampblack absorber
Desirable household smoke exhaust ventilator should structure very succinct, working service is convenient, cheap, as long as it can be completely enclosed within the space between gas-cooker and smoke exhaust ventilator oil smoke, do not allow oil smoke be diffused into kitchen beyond this space and got on just in corridor.Abolishing grid, filter screen, catchment cup, reducing all resistances when entering exhaust fume collecting hood of oil smoke and bounce-back as far as possible.The inner surface of exhaust fume collecting hood should curve smooth, to allow oil smoke enter smoke exhaust pipe rapidly.Oil smoke enters after exhaust fume collecting hood also not with any location contacts of blower fan.The work that cooking fume is separated should be put into fume exhaust fan box outside and do.
A kind of totally-enclosed exempting from of the present invention unpicks and washes Crossed Circle air knife type family expenses drive row lampblack absorber, and its summary of the invention is:
See Fig. 1, be placed on the underlying circular air knife 101 of gas-cooker surrounding by being connected with the right air blast 104 outside the convergent-divergent channel exhaust fume collecting hood 102 be arranged in housing by a tracheae 109 in the middle part of wall, reducing elbow 107, convergent-divergent channel exhaust fume collecting hood 102 upper end is put circular air knife 103 to communicate with left air blast 108, convergent-divergent channel exhaust fume collecting hood 102 upper end communicates with smoke exhaust pipe 105.See Fig. 2 Fig. 3, split type cooking fume separator is arranged on family expenses and drives above smoke exhauster box body.The casing 106 of family expenses drive row lampblack absorber hangs on wall.Further illustrate as follows:
[1] Fig. 1 is seen, the oil smoke that basic model family expenses drive row lampblack absorber adopts a set of underlying ring-like air knife to be used in the thoughtful smoke exhaust ventilator space of closed gas stove four, and oil smoke is driven deliver in convergent-divergent channel exhaust fume collecting hood, then install additional at the trunnion place of convergent-divergent channel exhaust fume collecting hood a cover to put in smoke exhaust pipe that oil smoke to be delivered to fume exhaust fan box top by circular air knife fast and discharge.
Underlying ring-like air knife is powerful air knife, and above putting circular air knife is standard air knife.
[2] Fig. 2 is seen, the housing of split type cooking fume separator is arranged on and drives in the middle of smoke exhauster box body top, oil smoke enters split type cooking fume separator first through the even wind of even wind device by Taper Pipe, then enter first order screen pack, second level screen pack, third level screen pack successively, the flue gas after purification discharges from exhaust pipe mouth.
[3] Fig. 3 is seen, standard type family expenses drive row lampblack absorber adopts the oil smoke that is used in the thoughtful smoke exhaust ventilator space of closed gas stove four of a kind of underlying ring-like air knife, then the trunnion place of convergent-divergent channel exhaust fume collecting hood install additional a cover puts purify in split type cooking fume separator that oil smoke to be delivered to fume exhaust fan box top by circular air knife fast after discharge from exhaust pipe mouth.
Two. catering trade drive row lampblack absorber
The smoke exhaust ventilator that desirable catering trade uses also should structure very succinct, working service is convenient, cheap, can oil smoke be completely enclosed within the space between gas-cooker and smoke exhaust ventilator, not allow oil smoke be diffused into kitchen beyond this space and get in corridor.Abolishing grid, reducing all resistances when entering exhaust fume collecting hood of oil smoke and bounce-back as far as possible.The inner surface of exhaust fume collecting hood should curve smooth, to allow oil smoke enter trunnion rapidly.Oil smoke enters after exhaust fume collecting hood also not with any location contacts of blower fan.The split type cooking fume separator that the work that cooking fume is separated should be put into smoke exhaust ventilator external body is done.
At the inner device that just should be provided with spraying fire extinguishing and cleaning smoke discharging pipe of exhaust fume collecting hood (smoke exhaust ventilator), from then on the work of cleaning smoke discharging pipe just can not ask for help, and employee can do it yourself to do whenever and wherever possible.Can oneself to put out a fire in time immediately once there is condition of a fire employee, like this just disaster hidden-trouble never again.
The present invention adopts upper and lower two collar-shaped air knives to realize this target, namely the oil smoke that a kind of underlying ring-like air knife is used in the thoughtful smoke exhaust ventilator space of closed gas stove four is adopted, for medium and small miniature catering trade, adding in the upper end of convergent-divergent channel exhaust fume collecting hood again of using, puts circular air knife on one and is delivered to fast in split type cooking fume separator by oil smoke.For big-and-middle-sized catering trade, also add a ring-like sprayer upper putting above circular air knife place in addition, Whirlwind type oil fume moisture trap is set in the terminal of smoke evacuation system.
A kind of totally-enclosed exempting from of the present invention unpicks and washes Crossed Circle air knife type catering trade drive row lampblack absorber, and its summary of the invention is:
[1] Fig. 4 is seen, described basic model catering trade drive row lampblack absorber is that the underlying circular air knife 301 being placed on gas-cooker surrounding communicates by leaning on the right air blast 304 outside the same convergent-divergent channel exhaust fume collecting hood 302 being arranged on overhead housing 306 li of a tracheae 309 in the middle part of stainless steel wooden partition, reducing elbow 307, convergent-divergent channel exhaust fume collecting hood 302 upper end is put circular air knife 303 to communicate with left air blast 308, convergent-divergent channel exhaust fume collecting hood 302 upper end communicates with smoke discharging pipe 305.
According to the difference of catering trade scale, based on basic model drive row lampblack absorber, develop into following several form: standard type, Almightiness type, flow model, barbecue's type and barbecue serial type.
[2] basic model catering trade drive row lampblack absorber can be split as upper and lower two parts as required: be placed on the underlying circular air knife of gas-cooker surrounding for a part, be arranged on the convergent-divergent channel exhaust fume collecting hood upper end in overhead casing on to put circular air knife be another part, underlying circular air knife air blast used moves to below cooking stove.
[3] see Fig. 5, standard type catering trade drive row lampblack absorber of the present invention is that basic model is driven and installed split type cooking fume separator additional above smoke exhauster box body and form.The housing of split type cooking fume separator is arranged on and drives in the middle of smoke exhauster box body top, oil smoke enters split type cooking fume separator first through the even wind of even wind device by Taper Pipe, then enter first order screen pack, second level screen pack, third level screen pack successively, the flue gas after purification discharges from exhaust pipe mouth.It is applicable to medium and small miniature catering trade.
[4] see Fig. 6, Almightiness type catering trade drive row lampblack absorber of the present invention, it aims at the kitchen having more than one larger gas stove and other various types of cooking apparatus and designs.It configures a basic model catering trade drive row lampblack absorber for each gas-cooker or other cooking apparatus, also adds a ring-like sprayer, at smoke evacuation system terminal configuration Whirlwind type oil fume moisture trap in addition upper putting above circular air knife place.Open ball valve 405, the pipe-dredging agent 408 being contained in 407 li, bucket can spray self-cleaning smoke discharging pipe by nozzle ring 403, saves outsourcing cleaning charge and uses.Opening the running water that ball valve 406 connects running water pipe 409 li, can be able to save oneself when there is fiery Disaster.If smoke discharging pipe 401 Tai is Long, circular air knife 410 and air blast 411 a set of extremely number cover can be installed additional.It is simpler than hydro-vent structure conventional at present, and dependable performance, maintaining expense is low.Because volume size in trunnion is not as good as one of two percentages of hydro-vent spray area, the moistening probability of water smoke to smog is far longer than hydro-vent, so the effect of Almightiness type drive row lampblack absorber mist purification is more far better than hydro-vent.Maintaining aspect, as long as just can dismantle with Shou Shen Jin trunnion when the shower nozzle of annular spray device cleans, need not take casing apart completely.Water saving aspect, than hydro-vent water saving 50%.Secure context, smoke discharging pipe not easily accumulates cigarette stain, can eliminate fiery Disaster hidden danger.
The present invention selects can the cooking fume separator 412 of cyclonic separation to oil smoke, and Whirlwind type oil fume moisture trap 412 can be commercially available.Almightiness type drive row lampblack absorber is applicable to big-and-middle-sized catering trade.
[5] see Fig. 7, described barbecue's type drive row lampblack absorber is divided into large-scale split type drive row lampblack absorber 501 and small-sized split type drive row lampblack absorber 502 liang of class forms, and the drive row lampblack absorber of this two type is communicated with smoke discharging pipe 503 all simultaneously.
Barbecue of the present invention type catering trade drive row lampblack absorber is installed separately two air blasts, and wherein an air blast is arranged in the barbecue table of bottom.
Current barbecue mostly adopts lower-discharging type smoke evacuation system, lays smoke discharging pipe under floor, does floor high-low is uneven, bumpy on foot.Often opening desk in addition has place's smoking head not arrange seat, is a loss to hotel owner.Catering trade of the present invention is with in barbecue's type oil smoke drive row machine, and large-scale split type oil smoke drive row machine can arrange 6 people's seats, 8 people's seats, 10 people's seats, and small-sized split type oil smoke drive row machine can arrange 4 people's seats, and whole business hall can increase a lot of seat.
[6] see Fig. 8, described flow model drive row lampblack absorber to be all placed on food and drink dolly with dining utensil by standard type drive row lampblack absorber and to form.
Catering trade flow model drive row lampblack absorber of the present invention is applicable to street corner food and drink snack a street, commercial square eating and drinking establishment and supermarket barbecue paving roast machine used, roast leg of lamb machine, roast whole lamb machine and street corner flowing baking car etc.
[7] Fig. 9 is seen, described shishkabab type drive row lampblack absorber is that split type standard type drive row lampblack absorber is arranged on meat-string roasting machine vehicle frame, than the commercially available outdoor meat-string roasting machine having installed two electrostatic oil fume deaners is cheap at present, effective to fume purifying.
feature of the present invention:
Absolutely oil smoke is driven and deliver in drive row lampblack absorber and cooking fume (water) separator, the oil smoke absolutely not having a tiny bit flies away in kitchen.Therefore title of the present invention transforms into " drive row lampblack absorber ", is usually referred to as the title of " smoke exhaust ventilator " to distinguish.
Overall shape structure is simple, firm, durable.
Except split type cooking fume separator, whole component exempts to unpick and wash, non-maintaining.
Never damage, reach more than 10 years service life.
Noise is low, is 11% of conventional drill pipe gas curtain.
Save gas energy, the more conventional drill pipe gas curtain of air consumption saves 63%.
Water saving, Almightiness type oil smoke drive row machine is than hydro-vent water saving 50%.
Safety, Almightiness type oil smoke drive row function eliminates fiery Disaster hidden danger, can save oneself when there is fiery Disaster.
Maintaining expense is low, does not ask for help.
Cheap.
invention effect:
The present invention adopts above-mentioned two collar-shaped air blade devices and convergent-divergent channel exhaust fume collecting hood up and down, avoid oil smoke in the process extracting oil smoke to leak up hill and dale, avoid any disadvantage that contact of existing all oil smoke with the baffle plate on smoke exhaust ventilator, grid, filter screen and blower fan, fan blade up hill and dale simultaneously.
The present invention adopts four underlying circular air knifes be centered around on gas-cooker limit.The box-shaped air blast that underlying circular air knife produces is used for closing isolation oil smoke, this just can accomplish oil smoke definitely a hundred per cent do not leak, can effectively prevent oil smoke to be diffused into kitchen beyond this space and get in corridor.The annular airflow of underlying circular air knife is also pushed to oil smoke brute force the trunnion of convergent-divergent channel exhaust fume collecting hood simultaneously, and the inwall of separated set convergent-divergent channel exhaust fume collecting hood is stained with oil smoke simultaneously.
The present invention arranges at the trunnion place of the convergent-divergent channel exhaust fume collecting hood of drive row lampblack absorber again and puts circular air knife.On put above housing that tubular air-flow that circular air knife produces delivers to oil smoke fast gs-oil separator while, the contact of oil smoke and conveying pipeline inner wall can be isolated, make the inwall of conveyance conduit avoid speckling with oil stain.Oil smoke when not suffering from some obstacles by brute force push away be discharged to gs-oil separator time, do not touch any position of air blast in lampblack absorber, the present invention has really accomplished the effect of No clean high-efficient purification drive row oil smoke.
The present invention is placed on the both sides of convergent-divergent channel exhaust fume collecting hood upper end two air blasts, save the volume of drive row lampblack absorber, only lead to underlying circular air knife with a pipe and supply gas, the gas-cooker that user originally adopted is hindered not at all, therefore be easy to commercialization, practicality is extremely strong.Install the general household smoke exhaust ventilator of time image and fix two hooks toward one having hung just above with swell fixture like that on the wall, on original kitchen range top, gas-cooker does not need to change, and does not more need secondary decoration.
Split type cooking fume separator volume of the present invention is little, easy accessibility, and the work of cleaning oil cleaner screen is not asked for help, maintenance cost saving.
Almightiness type catering trade drive row lampblack absorber of the present invention, it is simpler than hydro-vent structure conventional at present, dependable performance.Than hydro-vent water saving 50%.Smoke discharging pipe not easily accumulates cigarette stain, can eliminate fiery Disaster hidden danger.Energy self-cleaning smoke discharging pipe, can save oneself when there is fiery Disaster.Cost saving, maintaining expense is low.
Barbecue of the present invention type catering trade drive row lampblack absorber often can be opened desk and all increase by one or two seat for barbecue, owing to adopting underlying circular air knife to carry out closed oil smoke, to fill the air never again and unpleasant to be charred taste inside and outside dining hall.
Flow model of the present invention and shishkabab type catering trade drive row lampblack absorber, owing to closing completely and having purified kitchen fumes, can never spread to surrounding environment, this makes stir-fry dish cooked in a small wok, meaning the food is prepared with special care restaurant in outdoor barbecue, little gear, lane, street corner and street corner food and drink snack a street, commercial square eating and drinking establishment and supermarket deli counter ambient air environment are greatly improved, and the special barbecue cuisines also making the masses loved by all return to street corner and create good condition.
Accompanying drawing explanation
Fig. 1 is that the axle that waits of basic model family expenses drive row lampblack absorber of the present invention surveys 3 dimensional drawing
Fig. 2 is that the axle that waits of the split type cooking fume separator of the present invention surveys 3 D stereo decomposition chart
Fig. 3 is the structure chart of standard type family expenses drive row lampblack absorber of the present invention
Fig. 4 is that the axle that waits of basic model catering trade drive row lampblack absorber of the present invention surveys 3 dimensional drawing
Fig. 5 is the structure chart of standard type catering trade drive row lampblack absorber of the present invention
Fig. 6 is the smoke evacuation system figure of Almightiness type catering trade drive row lampblack absorber of the present invention
The smoke evacuation system figure of Tu7Shi barbecue of the present invention type catering trade drive row lampblack absorber
Fig. 8 is that the axle that waits of flow model catering trade drive row lampblack absorber of the present invention surveys 3 dimensional drawing
Fig. 9 is that the axle that waits of barbecue serial type catering trade drive row lampblack absorber of the present invention surveys 3 dimensional drawing
description of reference numerals:
Fig. 1:
101. underlying circular air knifes; 102. convergent-divergent channel exhaust fume collecting hoods; Circular air knife is put on 103.; 104. right air blasts; 105. smoke exhaust pipe; 106. casing; 107. reducing elbow; 108. left air blasts; 109. tracheae.
Fig. 2:
201. housing; 202. isolating frame; 203. third level screen packs; 204. second level screen packs; 205. first order screen packs; 206. screw; 207. packing ring; 208. blade; 209. screw; 210. support; 211. screw; 212. Taper Pipe; 213. nut; 214. oil collection box.
Fig. 3:
100. basic model family expenses drive row lampblack absorbers; 200. standard type family expenses drive row lampblack absorbers.
Fig. 4:
301. underlying circular air knifes; 302. convergent-divergent channel exhaust fume collecting hoods; Circular air knife is put on 303.; 304. right air blasts; 305. smoke exhaust pipe; 306. casing; 307. reducing elbow; 308. left air blasts; 309. tracheae.
Fig. 5:
300. basic model catering trade drive row lampblack absorbers; 400. standard type catering trade drive row lampblack absorbers.
Fig. 6:
300. basic model catering trade drive row lampblack absorbers; 401. smoke discharging pipe; 402. manifold; 403. annular spray devices; 404. water pipe; 405. ball valve; 406. ball valve; 407. bucket; 408. pipe-dredging agent; 409. running water pipe; 410. circular air knife; 411. air blast; 412. Whirlwind type oil fume moisture traps.
Fig. 7:
501. large-scale split type drive row lampblack absorbers; 502. small-sized split type drive row lampblack absorbers; 503. smoke discharging pipe.
Detailed description of the invention
[1] Fig. 1 is seen, basic model family expenses drive row lampblack absorber of the present invention is placed on the underlying circular air knife 101 of gas-cooker surrounding by being connected with the right air blast 104 outside the convergent-divergent channel exhaust fume collecting hood 102 be arranged in housing by a tracheae 109 in the middle part of wall, reducing elbow 107, convergent-divergent channel exhaust fume collecting hood 102 upper end is put circular air knife 103 to communicate with left air blast 108, convergent-divergent channel exhaust fume collecting hood 102 upper end communicates with smoke exhaust pipe 105.
Underlying ring-like air knife 101 is powerful air knife, above puts circular air knife 103 for standard air knife.
[2] Fig. 2 is seen, the housing 201 of split type cooking fume separator of the present invention is arranged on and drives in the middle of smoke exhauster box body top, oil smoke enters split type cooking fume separator first through the even wind of even wind device by Taper Pipe, then enter first order screen pack, second level screen pack, third level screen pack successively, the flue gas after purification discharges from exhaust pipe mouth.
The housing 201 of split type cooking fume separator is screwed and is driving in the middle of smoke exhauster box body top, three, second and first order screen pack 203,204,205 all clip isolating frame 202 between them, and screw 206 is twisted on the bracket 210 through packing ring 207, blade 208, below it, tighten the effect loosened with screw 211.Screw 209, through the aperture on spike in the middle part of support 210, Taper Pipe 212 and oil collection box 214, is tightened with nut 213 below it.The spike of oil collection box 214 periphery supports three road oil cleaner screens, and oil droplet then can be collected in bottom.
[3] see Fig. 3, standard type family expenses drive row lampblack absorber of the present invention is that basic model family expenses drive row lampblack absorber adds that split type cooking fume separator forms.It adopts the oil smoke that is used in the thoughtful smoke exhaust ventilator space of closed gas stove four of a kind of underlying ring-like air knife, then the trunnion place of convergent-divergent channel exhaust fume collecting hood install additional a cover puts circular air knife oil smoke driven fast deliver to fume exhaust fan box top split type cooking fume separator in purify after discharge from exhaust pipe mouth.
[4] Fig. 4 is seen, basic model catering trade drive row lampblack absorber of the present invention is that the underlying circular air knife 301 being placed on gas-cooker surrounding communicates by leaning on the right air blast 304 outside the same convergent-divergent channel exhaust fume collecting hood 302 being arranged on overhead housing 306 li of a tracheae 309 in the middle part of stainless steel wooden partition, reducing elbow 307, convergent-divergent channel exhaust fume collecting hood 302 upper end is put circular air knife 303 to communicate with left air blast 308, convergent-divergent channel exhaust fume collecting hood 302 upper end communicates with smoke discharging pipe 305.
[5] basic model catering trade drive row lampblack absorber of the present invention can be split as upper and lower two parts as required: be placed on the underlying circular air knife of gas-cooker surrounding for a part, be arranged on the convergent-divergent channel exhaust fume collecting hood upper end in overhead casing on to put circular air knife be another part, underlying circular air knife air blast used moves to below cooking stove.
[6] see Fig. 5, to be basic model catering trade install split type cooking fume separator additional above smoke exhauster box body form with driving standard type catering trade drive row lampblack absorber of the present invention, and it is applicable to medium and small miniature catering trade.
[71 see Fig. 6, Almightiness type catering trade drive row lampblack absorber of the present invention, it configures a basic model catering trade drive row lampblack absorber for each gas-cooker or other cooking apparatus, a ring-like sprayer is also configured, at smoke evacuation system terminal configuration Whirlwind type oil fume moisture trap in addition upper putting above circular air knife place.Open ball valve 405, the cleaning fluid 408 being contained in 407 li, bucket can spray self-cleaning smoke discharging pipe by nozzle ring 403, saves outsourcing clean and maintenance expense.Opening the running water that ball valve 406 connects running water pipe 409 li, can be able to save oneself when there is fiery Disaster.If smoke discharging pipe 401 Tai is Long, circular air knife 410 and air blast 411 a set of extremely number cover can be installed additional.
[8] see Fig. 7, barbecue of the present invention type catering trade drive row lampblack absorber is divided into large-scale split type drive row lampblack absorber 501 and small-sized split type drive row lampblack absorber 502 liang of class forms, and the drive row lampblack absorber of this two type is communicated with smoke discharging pipe 503 all simultaneously.
Barbecue of the present invention type catering trade drive row lampblack absorber is installed separately two air blasts, and wherein an air blast is arranged in the barbecue table of bottom.
[9] see Fig. 8, flow model catering trade drive row lampblack absorber of the present invention to be all placed on food and drink dolly with dining utensil by standard type drive row lampblack absorber and to form.
Flow model catering trade oil smoke drive row machine of the present invention is applicable to street corner food and drink snack a street, commercial square eating and drinking establishment and supermarket barbecue paving roast machine used, roast leg of lamb machine, roast whole lamb machine and street corner flowing baking car etc.
[10] see Fig. 9, shishkabab type catering trade drive row lampblack absorber of the present invention is that split type standard type drive row lampblack absorber is arranged on the vehicle frame of shishkabab.
Claims (9)
1. a kind of totally-enclosed exempting from of the present invention unpicks and washes Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber, it is characterized in that:
Basic model drive row lampblack absorber is that the underlying circular air knife being placed on gas-cooker surrounding communicates with the right air blast outside the convergent-divergent channel exhaust fume collecting hood be arranged in overhead casing by leaning on a tracheae in the middle part of wall, circular air knife is put in convergent-divergent channel exhaust fume collecting hood upper end communicate with left air blast, convergent-divergent channel exhaust fume collecting hood upper end communicates with smoke discharging pipe, the feature of its standard type drive row lampblack absorber is that basic model is driven and installed split type cooking fume separator additional above smoke exhauster box body and form, the feature of its Almightiness type drive row lampblack absorber is that basic model drive row lampblack absorber installs annular spray device additional and Whirlwind type oil fume moisture trap forms, in addition they also comprise: flow model, barbecue's type and barbecue serial type.
2. unpick and wash Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber according to totally-enclosed the exempting from of the one described in the claims in the present invention [1], it is characterized in that:
Basic model catering trade drive row lampblack absorber can be split as upper and lower two parts as required: be placed on the underlying circular air knife of gas-cooker surrounding for a part, be arranged on the convergent-divergent channel exhaust fume collecting hood upper end in overhead housing on to put circular air knife be another part, underlying circular air knife air blast used moves to below cooking stove, becomes split type drive row lampblack absorber.
3. unpick and wash Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber according to totally-enclosed the exempting from of the one described in the claims in the present invention [1], it is characterized in that:
Underlying ring-like air knife is powerful air knife, and above putting circular air knife is standard air knife.
4. unpick and wash Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber according to totally-enclosed the exempting from of the one described in the claims in the present invention [1], it is characterized in that:
Convergent-divergent channel exhaust fume collecting hood is a kind of one large one small tubaeform pipe by Surface forming, and dehisce downwards for large one, little one upwards, and inner surface smooth curve curvature is smooth, and sectional area reduces gradually.
5. unpick and wash Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber according to totally-enclosed the exempting from of the one described in the claims in the present invention [1], it is characterized in that:
Oil smoke enters split type cooking fume separator first through the even wind of even wind device, and then enter first order screen pack, second level screen pack, third level screen pack, fourth stage screen pack successively, the flue gas after purification discharges from blast pipe.
6. unpick and wash Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber according to totally-enclosed the exempting from of the one described in the claims in the present invention [1], it is characterized in that:
Almightiness type drive row lampblack absorber is communicated with annular spray device, manifold, smoke discharging pipe separately by several basic model drive row lampblack absorbers, smoke discharging pipe is also communicated with circular air knife, air blast, Whirlwind type oil fume moisture trap, annular spray device is then communicated with water pipe, two ball valves, one of them ball valve is communicated with bucket, put pipe-dredging agent in bucket, another ball valve is communicated with running water pipe.
7. unpick and wash Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber according to totally-enclosed the exempting from of the one described in the claims in the present invention [1], it is characterized in that:
Flow model drive row lampblack absorber is all placed on food and drink dolly with all dining utensils by standard type drive row lampblack absorber.
8. unpick and wash Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber according to totally-enclosed the exempting from of the one described in the claims in the present invention [1], it is characterized in that:
Barbecue's type is divided into large-scale split type oil smoke drive row machine and small-sized split type oil smoke drive row machine two class form, and the oil smoke drive row machine of this two type is communicated with smoke discharging pipe all simultaneously.
9. unpick and wash Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber according to totally-enclosed the exempting from of the one described in the claims in the present invention [1], it is characterized in that:
Shishkabab type drive row lampblack absorber is placed on vehicle frame by split type standard type drive row lampblack absorber.
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|---|---|---|---|
| CN201410052256.7A CN104848275A (en) | 2014-02-17 | 2014-02-17 | Completely-closed disassembly-washing-free dual annular air knife environmental-protection type kitchen oil fume exhaust ventilator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410052256.7A CN104848275A (en) | 2014-02-17 | 2014-02-17 | Completely-closed disassembly-washing-free dual annular air knife environmental-protection type kitchen oil fume exhaust ventilator |
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| CN104848275A true CN104848275A (en) | 2015-08-19 |
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| CN201410052256.7A Pending CN104848275A (en) | 2014-02-17 | 2014-02-17 | Completely-closed disassembly-washing-free dual annular air knife environmental-protection type kitchen oil fume exhaust ventilator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105570945A (en) * | 2014-10-10 | 2016-05-11 | 胡松鹤 | Totally-enclosed unpicking washing-free double-ring air knife belt circular atomizer smoke exhaust ventilator |
| CN106123078A (en) * | 2016-08-22 | 2016-11-16 | 天津大学 | Combined blowing-sucking type range hood |
| CN108006686A (en) * | 2017-12-29 | 2018-05-08 | 中冶赛迪工程技术股份有限公司 | A kind of chilling waste heat boiler |
| CN111288506A (en) * | 2018-10-27 | 2020-06-16 | 苟会兵 | Gas stove and using method thereof |
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| CN204084515U (en) * | 2014-02-17 | 2015-01-07 | 胡松鹤 | A kind of totally-enclosed exempting from unpicks and washes Crossed Circle air knife environmental protection type kitchen drive row lampblack absorber |
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Application publication date: 20150819 |