CN101430109A - Circulation type dismounting and washing free cooking-fume exhauster - Google Patents

Circulation type dismounting and washing free cooking-fume exhauster Download PDF

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Publication number
CN101430109A
CN101430109A CNA2008102367842A CN200810236784A CN101430109A CN 101430109 A CN101430109 A CN 101430109A CN A2008102367842 A CNA2008102367842 A CN A2008102367842A CN 200810236784 A CN200810236784 A CN 200810236784A CN 101430109 A CN101430109 A CN 101430109A
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tube
mixing chamber
water
lampblack
water tank
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CNA2008102367842A
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Chinese (zh)
Inventor
宋凤莲
盛宗建
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Wuhan University WHU
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Wuhan University WHU
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Priority to CNA2008102367842A priority Critical patent/CN101430109A/en
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  • Ventilation (AREA)
  • Separation Of Particles Using Liquids (AREA)

Abstract

The invention relates to an unpicking and washing-free recirculating range hood which comprises a lampblack absorbing part, a lampblack liquid dissolving circulating system and a case. A circulation loop comprises a grid plate and a water tank containing oxygen purification water solution, one end of an inlet tube is connected with the water tank, and the other end of the inlet tube is connected with a water pump, the water pump is sequentially connected with an outlet tube, a nozzle, a mixing chamber, a mixing tube, a diffusion tube, a tee pipe, a reducer, a straight tube and a return hose; one end of the return hose is arranged in the water tank, and a lampblack collecting hood is fixed on the mixing chamber. In the range hood, four components which are the nozzle, the mixing chamber, the mixing tube and the diffusion tube form a Venturi tube structure to generate a negative-pressure lampblack suction; which replaces the traditional suction methods in which a fan is driven by a motor; the oxygen purification water washing solution is employed to dissolve the lampblack which is circularly scoured in the tube, thus ensuring the tube wall to be free of oil stain, and realizing the free internal unpicking and washing of the range hood. The range hood does not need any mechanical rotating part when in operation, and has the advantages of no wear, low noise, reliable operation, safe use, low cost, simple maintenance and no environmental pollution, and no lampblack is directly discharged to the atmosphere.

Description

Circulation type dismounting and washing free cooking-fume exhauster
Affiliated technical field
The present invention relates to a kind of circulation type dismounting and washing free cooking-fume exhauster.Belong to the eliminating field of cooking flue gas.
Background technology
Smoke exhaust ventilator commonly used has two kinds on the market now, and a kind of is that traditional smoke exhaust ventilator is an exhaust fan, the rotation of driven by motor fan leaf, and the fan blade face is a curved surface, low price, its weak point is that noise is big, and environment has been caused noise pollution; Oil smoke is discharging outward directly, and metope ground greasy dirt is in heaps, and it is attractive in appearance to influence house, contaminated environment; Greasy dirt cleans difficulty, and it is serious that the moving blade of lampblack absorber and oil baffle are hung oil, need unload exhaust fan during cleaning, extremely trouble.Another kind is a second generation smoke exhaust ventilator, the rotation of driven by motor blade, and blade is the plane, is divided into European smoke exhaust ventilator and side-absorption type smoke exhaust ventilator again, its weak point is that most of oil smoke still directly enters in the air, causes environmental pollution; All the other oil smoke are stayed machine intimate, pollute cigarette machine inwall, cause a large amount of inhomogeneous long-pending oil of draught fan impeller, and blower fan rotates and loses dynamic balancing, suction effect worse and worse, mechanicalness noise is also just increasing; Clean difficulty, the long-pending in a large number oil of fan blade and machine inner chamber generally needs the professional to clean or buys device in addition, the energy consumption height; Be to guarantee suction effect in a short time, the generally all higher (200W~250W) of smoke exhaust ventilator power; There is not effective purification function that conventional smoke machine effect is descended fast.Along with increase service time, the long-pending oil of filter screen, the obvious variation of oil suction effect causes noise also very big.Also has a kind of smoke exhaust ventilator in the market with automatic flushing device, this series is washed the cigarette machine automatically and has been adopted the automatic high pressure rotary spray technique, set up scavenging pump, cleaned relevant devices such as kettle, automatic control chip, catheter, it cleans the principle of the similar high-pressure spray gun carwash of principle; This series is washed the smoke exhaust ventilator complex structure automatically, and the energy consumption height costs an arm and a leg, and price is at 3000~5000 yuan, and oil smoke directly enters atmosphere and causes environmental pollution, equally also needs first quarter moon to clean once, just keeps the cigarette machine inner clean.
Summary of the invention
The purpose of this invention is to provide a kind of oil smoke of avoiding and directly enter atmosphere, non-environmental-pollution, realize simultaneously exempting to unpick and wash, can thoroughly alleviate the labour intensity of cleaning, it is little to have energy-conservation, water saving and a noise, the circulation type dismounting and washing free cooking-fume exhauster of low cost and other advantages.
In order to realize purpose of the present invention, a kind of circulation type dismounting and washing free cooking-fume exhauster is provided, oil suction cigarette part and cabinet 17 are arranged, dissolve the oxygen water purification solution recycle system of oil smoke in addition, include screen 2 and the water tank 1 that contains oxygen water purification solution 16, water inlet pipe 3 one ends are in water tank, one end connects automatic booster water pump 4, water pump is connected to outlet pipe 5 and the nozzle 7 that is connected successively by pipe clamp 6, mixing chamber 8, mixing tube 10, anemostat 11, three-way pipe 12, concentric reducer 13, straight length 14 and backwater flexible pipe 15, backwater flexible pipe one end places in the water tank, and cooking fume-collecting cover 9 is fixed on the mixing chamber.
Circulation type dismounting and washing free cooking-fume exhauster of the present invention, described water tank 1 volume: 200mm * 350mm * 240mm; Screen is arranged in the water tank, or claim grid, the effect of grid is to consider the air bubble that may contain minute quantity in the return pipe, utilizes grid can stop bubble to enter water pump.The described clean aqueous solution of aerobic 16 that contains is to add the clean solution that forms of oxygen in water.Oxygen is a kind of high-tech cleaning product only, and a kind of multifunctional oxygen is washed particle.The clean employing of oxygen airborne " oxygen " is a raw material, forms particulate material, and oxygen all can have been bought in general supermarket only easily, and is cheap.The clean water-soluble back of oxygen is discharged a large amount of active oxygens, soak the container number minute of attaching oil after, need not clean, can dissolve oil, the clean analyte of oxygen is soda, oxygen G﹠W in addition, and environment is not polluted.In addition, used water can directly utilize waste water, as the waste water after the washing machine rinsing for the first time or contain the waste water of abluent after washing the dishes, waste water resource is utilized once more, realizes reducing discharging.Containing the clean aqueous solution of aerobic only needs periodic replacement through recycling the back, and the replacement cycle is looked the situation in season: 2 weeks of winter are changed once, and change once summer weekly.
Circulation type dismounting and washing free cooking-fume exhauster of the present invention, described automatic booster water pump 4 is controlled the aspiration of smoke exhaust ventilator for having the commercially available prod of attaching plug and gauge tap by selecting automatic booster water pump flow, lift parameter.Optional power: 125W; The most high-lift: 33m; The water pump of maximum stream flow: 33L/min; The attaching plug of automatic booster water pump and attaching plug and the gauge tap that gauge tap also is smoke exhaust ventilator of the present invention.Water inlet pipe 3 of the present invention, outlet pipe 5 and pipe clamp 6 are the commercially available prod.
Circulation type dismounting and washing free cooking-fume exhauster of the present invention, described nozzle 7, mixing chamber 8, cooking fume-collecting cover 9, mixing tube 10 and anemostat 11 constitute oil suction cigarette part.The operation principle of circulation type dismounting and washing free cooking-fume exhauster of the present invention is to be theoretical foundation with the Bernoulli equation in the hydrodynamics, adopts the Venturi tube structure to produce negative pressure oil suction cigarette.The present invention is connected with nozzle 7, mixing chamber 8, mixing tube 10 and anemostat 11 4 parts and is combined into a Venturi tube structure.Four part dimensions are that theoretical foundation is definite by calculating and testing with the Bernoulli equation, and jet expansion to the distance between the mixing chamber inlet is 1~3 times of jet expansion diameter; Anemostat diffusion angle is 8 °~10 °.The Venturi tube structure as shown in fig. 1.Its principle is a low barotropic fluid when flowing in Venturi tube, produces negative pressure in its side.
In Fig. 1, the aqueous solution is delivered to Venturi tube in water tank, and when moving from left to right, because the nozzle entrance large outlet is little, along with the cross section of the port of export reduces gradually, it is big that the flow velocity of the low pressure liquid of inflow also becomes thereupon, and pressure diminishes.When flow velocity is increased to a certain scope, will produce negative pressure in the side, therefore establish a suction inlet in the side, produce a vacuum at suction inlet, just oil smoke can be pumped in the Venturi tube.
By above principle as can be known, adopt the Venturi tube structure to produce negative pressure and aspirate the suction method that the alternative traditional smoke exhaust ventilator of method of oil smoke rotates at a high speed with the driven by motor fan.Smoke exhaust ventilator of the present invention produces negative pressure by Venturi tube effect, at the suction inlet of mixing chamber a cooking fume-collecting cover 9 is installed, and just oil smoke can be pumped into mixing chamber.After the oil smoke mixture enters mixing chamber and the aqueous solution and converges, oil smoke is soluble in the oxygen water purification solution and constantly washes away pipeline with the aqueous solution circulation of flowing, the gas that does not contain oil smoke will enter flue in threeway place, and oil is back to after the dissolving in the aqueous solution and continues circulation in the water tank.When smoke exhaust ventilator of the present invention is realized suction oil smoke function, the process mechanical rotating part of suction oil smoke, the nothing wearing and tearing, noise is low, and is reliable, can be because of long-time the use do not cause suction performance to descend, with low cost, maintenance is simple.Vacuum reaches 1200~1500Pa when experiment records smoke exhaust ventilator of the present invention operation, and suction oil smoke effect is remarkable.And vacuum is about 200Pa during existing on the market smoke exhaust ventilator operation, and is rotated at a high speed by the driven by motor fan blade, and 2~40,000 rev/mins, noise is big.The present invention has also designed a water storage tank in mixing chamber 8 lower ends, is used to collect when termination of pumping the dripping of the presumable minute quantity of nozzle exit, and water storage tank is provided with discharge outlet, has when dripping regularly to discharge.
The oxygen water purification solution recycle system of dissolving oil smoke of the present invention is by the water tank 1 that screen 2 is arranged, water inlet pipe 3, booster water pump 4, outlet pipe 5, nozzle 7, mixing chamber 8, mixing tube 10, anemostat 11, three-way pipe 12, concentric reducer 13, straight length 14, backwater flexible pipe 15 and contain the clean aqueous solution of aerobic 16 and constitute automatically.It is clean to add oxygen in the water of water tank, when contain the clean aqueous solution of aerobic through after automatic booster water pump 4 superchargings by nozzle from inlet when the port of export flows, because the port of export cross section of nozzle 7 diminishes, nozzle exit end aqueous solution flow velocity increases, and the pressure that the liquid miscarriage is given birth to diminishes.When satisfying the nozzle entrance initial pressure is 0.15~0.25MPa, when flow is 20~30L/min, suction inlet at mixing chamber produces negative pressure, oil smoke is subjected to the negative pressure suction, enter in the mixing chamber 8 through cooking fume-collecting cover 9, the oil smoke mixture flows at mixing tube (10) and 11 li aqueous solution with circulation of anemostat, oil promptly is dissolved into and contains in the clean circulation solution of aerobic, through anemostat 11, the gas that does not contain oil smoke separates out at three-way pipe 12 places and enters flue, the aqueous solution is back to water tank, finishes the circulation of solution; Smoke exhaust ventilator continuation operation, oil smoke is dissolved in just constantly circulating in pipe-line system of the aqueous solution, constantly washes away pipeline, guarantees non-cohesive oil stain on the tube wall, and realization smoke exhaust ventilator inside really exempts to unpick and wash.
Smoke exhaust ventilator of the present invention, oil smoke gas circuit footpath: after oil smoke gas is subjected to suction function to suck mixing chamber 8 by cooking fume-collecting cover 9, the oil smoke mixture is containing in the clean aqueous solution of aerobic with liquid flow, oil promptly is dissolved into and contains in the clean circulation solution of aerobic, through anemostat 11, water-fast gas enters flue or directly discharges at three-way pipe 12 places, because the gas of discharging does not contain oil smoke, do not pollute the environment.
Circulation type dismounting and washing free cooking-fume exhauster of the present invention has following advantage:
1, the present invention is a theoretical foundation with the Bernoulli equation in the hydrodynamics, utilize Venturi tube to produce negative pressure suction oil smoke, replace conventional motors to drive the suction method of fan, mechanical rotating part during the smoke exhaust ventilator operation does not have wearing and tearing, and noise is low, control simple, reliable, safe in utilization, with low cost, can not safeguard simple because of long-time the use causes performance to descend.
2, the present invention adopts the circulatory system that contains aerobic water purification solution; oil in the oil smoke is dissolved in the loop solution; avoid oil smoke directly to enter atmosphere; realize the purpose of protection environment; guarantee non-cohesive oil stain on the circulatory system tube wall simultaneously; realize that smoke exhaust ventilator inside really exempts to unpick and wash, reduced to clean the labour intensity of lampblack absorber greatly, realized saving time, laborsaving, the effect of saving money.
3, smoke exhaust ventilator power consumption of the present invention is low, and energy-saving effect is obvious, and the power of motor of common smoke exhaust ventilator is generally 200W or 220W, and this machine automatic pressure pump power is 125W; On the basis of the volume that reduces traditional smoke exhaust ventilator, weight, make suction oil smoke better effects if, it is more convenient to install.
4, smoke exhaust ventilator production cost valency of the present invention is about 600 yuan, and cost is low, produces good in economic efficiency.
Description of drawings
Circulation type dismounting and washing free cooking-fume exhauster of the present invention is described further with accompanying drawing:
Fig. 1 is a circulation type dismounting and washing free cooking-fume exhauster functional-block diagram of the present invention.
Fig. 2 is the structure and the circulatory system schematic diagram of circulation type dismounting and washing free cooking-fume exhauster of the present invention.
Among the figure: 1. water tank, 2. screen, 3. water inlet pipe, 4. automatically booster water pump, 5. outlet pipe, 6. pipe clamp, 7. nozzle, 8. mixing chamber, 9. the cooking fume-collecting cover, 10. mixing tube, 11. anemostats, 12. three-way pipes, 13. concentric reducers, 14. straight lengths, 15. backwater flexible pipes, 16. contain the clean aqueous solution of aerobic, 17. cabinets.Nozzle, mixing chamber, mixing tube and anemostat four parts connect to form the Venturi tube structure among the figure.
The specific embodiment
Embodiment 1: assemble circulation type dismounting and washing free cooking-fume exhauster of the present invention, structure as shown in Figure 2, used water tank 1 volume: 200mm * 350m * 240mm, screen 2 has grid, automatically booster water pump 4: power 125W; The most high-lift 33m; Maximum stream flow 33L/min; Water inlet pipe 3, outlet pipe 5, pipe clamp 6 and backwater flexible pipe 15 adopt the commercially available prod; Nozzle 7, mixing chamber 8, mixing tube 10 and anemostat 11 adopt engineering plastics to make, jet expansion to the distance between the mixing chamber inlet is 2 times of jet expansion diameter, anemostat diffusion angle is 9 °, four parts add unsintered tape by screw thread and are tightly connected and form the Venturi tube structure, and cooking fume-collecting cover 9 is fixed on the mixing chamber; The waste water that contains abluent after three-way pipe 12, concentric reducer 13, straight length 14, recirculated water adopt and wash the dishes adds oxygen becomes the clean aqueous solution of oxygen that contains only.
Smoke exhaust ventilator installation process of the present invention is as follows:
1., earlier nozzle, mixing chamber 8, mixing tube 10 and anemostat 11 add the unsintered tape composition Venturi tube structure that is tightly connected by screw thread successively, and the Venturi tube structure that connects into is fixed on 17 li of cabinets;
2., three-way pipe 12 is fixed on the anemostat 11, three-way pipe one end connects flue, another termination concentric reducer 13, straight length 14, and straight length is connected with backwater flexible pipe 15 by pipe clamp;
3., below the kitchen range top, lay the water tank 1 of screen 2, adding water in the water tank 1, to add oxygen cleaner;
4., backwater flexible pipe, water inlet pipe 3 one ends are placed in the water tank; Water inlet pipe 3 one ends connect water pump 4, and the outlet pipe 5 that water pump connects connects nozzle 7 by pipe clamp 6.
5., cabinet 17 is fixed to kitchen range top top, the upper end that the galvanized sheet cooking fume-collecting cover 9 of aluminium foil (heat-resisting easy scouring) is posted in the employing suction inlet that directly inserts mixing chamber 8 is fixed on the mixing chamber in the stationary fit mode; The installation of smoke exhaust ventilator has just been finished.
The smoke exhaust ventilator course of work of the present invention is: smoke exhaust ventilator is connected power supply, automatically booster water pump 4 is started working, water tank includes the clean aqueous solution of aerobic 16 and is inhaled into water inlet pipe, enter narrow outlet through outlet pipe from nozzle entrance, flow velocity increases, the pressure that the aqueous solution produces diminishes, produce negative pressure in cooking fume-collecting cover 9 one sides, oil smoke is entered in the mixing chamber 8 through 9 suctions of cooking fume-collecting cover, the oil smoke mixture is mobile with the aqueous solution at mixing tube 10 and 11 li of anemostats, oil in the oil smoke mixture promptly is dissolved into and contains in the clean circulation solution of aerobic, the gas that does not contain oil smoke enters flue at three-way pipe 12 places, oil-containing water solution passes through three-way pipe, concentric reducer 13, straight length 14, backwater flexible pipe 10 flow back into water tank, finishes the circulation of solution.The work of smoke exhaust ventilator only need regularly replace loop solution, need not to unpick and wash smoke exhaust ventilator.
Embodiment 2: smoke exhaust ventilator of the present invention is compared effect with traditional smoke exhaust ventilator and is seen the following form:
The tradition smoke exhaust ventilator The present invention
Price (unit) 2000~5000 (market selling prices) 600 (cost prices)
Vacuum (Pa) 200~300 1200~1500
Power of motor (W) 200~220 125
Clean Need unpick and wash Exempt to unpick and wash
Environmental protection The in line atmosphere pollution of oil smoke No fume pollution
From the energy-saving and emission-reduction aspect, the present invention is used in preresearch estimates, and 1. the oil smoke total amount of the annual discharging of Chinese family can reduce and is about 3 * 10 14Cubic meter.2. owing to exempt to unpick and wash, reduced to clean the water resource and the human and material resources of traditional smoke exhaust ventilator greatly, Chinese family can be saved about 9,000,000 tons of the water resource of cleaning every year.
Circulation type dismounting and washing free cooking-fume exhauster volume of the present invention is little, compact conformation, and cost is low, and control is simple, and is reliable, realizes really exempting from the requirement of unpicking and washing, and realized saving time, the effect of laborsaving, economical and environmental protection.

Claims (4)

1, a kind of circulation type dismounting and washing free cooking-fume exhauster, oil suction cigarette part and cabinet are arranged, it is characterized in that: the oxygen water purification solution recycle system that is provided with the dissolving oil smoke, include screen and the water tank that contains oxygen water purification solution, water inlet pipe one end is in water tank, one end connects automatic booster water pump, water pump is connected to outlet pipe and the nozzle that is connected successively by pipe clamp, mixing chamber, mixing tube, anemostat, three-way pipe, concentric reducer, straight length and backwater flexible pipe, backwater flexible pipe one end places in the water tank, and the cooking fume-collecting cover is fixed on the mixing chamber.
2, circulation type dismounting and washing free cooking-fume exhauster according to claim 1 is characterized in that: nozzle, mixing chamber, mixing tube and anemostat four parts have connected to form the Venturi tube structure.
3, circulation type dismounting and washing free cooking-fume exhauster according to claim 1 is characterized in that: all add unsintered tape by screw thread between nozzle, mixing chamber, mixing tube and the anemostat and be tightly connected.
4, circulation type dismounting and washing free cooking-fume exhauster according to claim 1 is characterized in that: jet expansion to the distance between the mixing chamber inlet is 1~3 times of jet expansion diameter; Anemostat diffusion angle is 8 °~10 °.
CNA2008102367842A 2008-12-11 2008-12-11 Circulation type dismounting and washing free cooking-fume exhauster Pending CN101430109A (en)

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Application Number Priority Date Filing Date Title
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101822502A (en) * 2010-04-13 2010-09-08 舒定涛 Energy-saving low-carbon health safety instantaneous shower
CN102042630A (en) * 2011-01-20 2011-05-04 毛学东 Venturi tube injection range hood
CN102748790A (en) * 2012-07-13 2012-10-24 刘浩远 Wash-free smoke sucker purifying device
CN104315576A (en) * 2014-09-30 2015-01-28 马建中 Vacuum water elution range hood
CN104874248A (en) * 2015-05-27 2015-09-02 武汉大学 Device for treating coal dust during coal transportation for coal-fired power plant
CN106500150A (en) * 2016-10-31 2017-03-15 电子科技大学 A kind of negative pressure continuous sucking formula lampblack absorber
CN106568108A (en) * 2012-12-24 2017-04-19 美的集团股份有限公司 A range hood and a hot cleaning system used for the same
CN110285457A (en) * 2019-06-26 2019-09-27 杭州老板电器股份有限公司 A kind of kitchen ventilator that smoking effect is good
CN110285460A (en) * 2019-06-28 2019-09-27 扬州大学 A kind of purifying oil fume venturi air draft switching device and its manufacturing method
CN111964123A (en) * 2020-09-14 2020-11-20 大连海事大学 Cavitation jet oil smoke clean system based on liquid-gas ejector

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101822502A (en) * 2010-04-13 2010-09-08 舒定涛 Energy-saving low-carbon health safety instantaneous shower
CN102042630A (en) * 2011-01-20 2011-05-04 毛学东 Venturi tube injection range hood
CN102748790A (en) * 2012-07-13 2012-10-24 刘浩远 Wash-free smoke sucker purifying device
CN106568108A (en) * 2012-12-24 2017-04-19 美的集团股份有限公司 A range hood and a hot cleaning system used for the same
CN106568108B (en) * 2012-12-24 2019-04-30 美的集团股份有限公司 Range hood and thermal cleaning system for it
CN104315576A (en) * 2014-09-30 2015-01-28 马建中 Vacuum water elution range hood
CN104874248A (en) * 2015-05-27 2015-09-02 武汉大学 Device for treating coal dust during coal transportation for coal-fired power plant
CN106500150A (en) * 2016-10-31 2017-03-15 电子科技大学 A kind of negative pressure continuous sucking formula lampblack absorber
CN110285457A (en) * 2019-06-26 2019-09-27 杭州老板电器股份有限公司 A kind of kitchen ventilator that smoking effect is good
CN110285460A (en) * 2019-06-28 2019-09-27 扬州大学 A kind of purifying oil fume venturi air draft switching device and its manufacturing method
CN111964123A (en) * 2020-09-14 2020-11-20 大连海事大学 Cavitation jet oil smoke clean system based on liquid-gas ejector

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Open date: 20090513