CN105042658A - Swirling flow entrainment range hood with contraction pipeline - Google Patents
Swirling flow entrainment range hood with contraction pipeline Download PDFInfo
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- CN105042658A CN105042658A CN201510391994.9A CN201510391994A CN105042658A CN 105042658 A CN105042658 A CN 105042658A CN 201510391994 A CN201510391994 A CN 201510391994A CN 105042658 A CN105042658 A CN 105042658A
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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
- F24C15/2078—Removing cooking fumes movable
- F24C15/2092—Removing cooking fumes movable extendable or pivotable
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Abstract
Frequency control is applied to a swirling flow entrainment range hood with a contraction pipeline, and the effect is improved by 40% or more than 40% compared with a traditional range hood. During the smoke exhaust process, oil dirt in cooking fume is rapidly separated by centrifugal force generated by swirling flow, the purification function does not decline, and the range hood is free of detachment and cleaning all through the service life. A wide smoke suction pipeline is additionally arranged on the range hood, a plurality of layers of oil blocking nets and grids are arranged in the wide smoke suction pipeline, so that it is guaranteed that cooking fume meets the emission reduction standard and can be directly exhausted outdoors, and purification of cooking fume is achieved fundamentally in China. Multi-story houses built in the 1950s and 1960s in China are not provided with common smoke flues, cooking fume of residents is exhausted disorderly, and rectification is in urgent need. The swirling flow entrainment range hood is applied to each house in the multi-story houses, energy conservation and emission reduction are calculated independently, and the rectification takes effect soon. A large amount of accumulated practical results can show that the multi-story houses do not need common smoke flues, and kitchens can be more spacious and fashionable.
Description
Technical field
The invention belongs to cooking fume purification techniques field, be specifically related to electric household range hood, particularly a kind of Whirl entraining lampblack absorber with Contraction Ducts.
Background technology
The Chinese tradition style of cooking decocts the cooking methods fried and fry, and the oil smoke concentration of generation is considerably beyond foreign level; The town-property of China carries out common flue, relies on range hood that the cooking fume of Ge Ceng resident family is concentrated discharged in the air.The GB18483-2001 " cooking fume discharge standard " come into effect for 2002, defines the highest permission concentration of emission of catering trade unit oil smoke and the minimum removing efficiency of fume purifying facility.In the table 1 of 4.1 joints; by " scale of catering trade unit is divided into large, medium and small three types; and the benchmark kitchen range number of small-sized catering trade unit is decided to be >=and 1; < 3 "; and in table 2 by " the minimum removing efficiency of fume purifying facility of small-sized catering trade unit is relaxed to 60% ", obviously consider the discharge standard of residential kitchen oil smoke.The unordered discharge of family cooking oil smoke of China causes concern, and how is range hood undertaken family cooking oil smoke and is reduced discharging heavy burden up to standard?
Though have the cooking fume of some countries to be not directly discharged in air abroad, adopt a kind of " internal-circulation type range hood ", filter is loaded onto after traditional lampblack absorber air inlet cover, generally be made up of the wire netting of densification and active carbon net, the basis of normal impingement and inertial separation strengthens adsorption effect, thus improving fume purifying efficiency, the range hood of China only loads onto wire netting, grid after air inlet cover.The purifier of every this kind of static state has a deadly defect, is exactly that purification efficiency will constantly decay, can not solves the cooking fume purifying problem of China at all.Chinese cooking method is also the key factor causing PM2.5 hurricane high, concentrates cooking fume discharged to high-altitude, can not solve the cooking fume purifying problem of China at all so carry out common flue.
For the defect that traditional range hood exists, development and design " the Whirl entraining lampblack absorber of movement and exhaust fume collecting hood partial installation " (patent No.: ZL201110074849.X).Be characterized in: " Whirl entraining device and exhaust fume collecting hood partial installation; adopt straight tube smoke exhaust pipe straight-through outdoor; to make the smoking port of smoke exhaust pipe away from the kitchen range top; the oil smoke temperature entering smoke exhaust pipe declines; to accelerate with the cooling of eddy flow High Rotation Speed during smoke evacuation; impel grease condensation, the grease of cohesion is got rid of the inwall to smoke exhaust pipe by the centrifugal force that eddy flow produces, and flows into gathering-device " simultaneously.In fact, Whirl entraining lampblack absorber is exactly a high performance centrifugal separator.
Specially obtaining " double-cyclone three hole entraining type lampblack absorber " (application number: do not establish oil boom, net in smoking port 200510065824.8) and smoke discharging pipe of national inventing patent, the PVC water pipe of configuration diameter 200mm does smoke exhaust pipe, long 150cm, please adopt " metal filter cylinders absorbs and infrared spectrophotometer " by environmental monitoring central station in Anhui Province's, 50cm place sampling in exhaust fume collecting hood and within smoke exhaust pipe outlet respectively, the removing efficiency measuring discharge oil smoke reaches 54%.Oil smoke sweeps along High Rotation Speed to discharge through eddy flow, grease is in the smoke discharging pipe that 150cm is long, got rid of to smoke exhaust pipe inwall by the centrifugal force that eddy flow produces, calculate from smoke exhaust pipe outlet discharged to the oil smoke air, its oil smoke removing efficiency is bound to more than 60%, can undertake family cooking oil smoke and reduce discharging heavy burden up to standard.
Traditional range hood makes the transition as Whirl entraining type lampblack absorber, affects huge numbers of families.Because the mounting means of lampblack absorber and even shell moulding, fix gradually in very long use procedure, such as hang exhaust fume collecting hood a square tube lower end of erectting, adherently be arranged on above the kitchen range top, kitchen range is pressed close in the inlet scoop of blower fan, only have smoke exhaust pipe not have Smoking pipe, smoke exhaust pipe generally adopts corrugated flexible hose, and level is arranged on above the suspended ceiling of kitchen leads to outdoor.Limited space above the suspended ceiling of kitchen, makes general smoke exhaust pipe diameter reduction to 150-160mm.The Whirl entraining device developed before this, because will expand smoking scope, all adopts the straight pipe of bigbore rigidity, uses small-bore smoke exhaust pipe instead and will to connect reduction nipple, have dead angle, be not suitable for Whirl entraining lampblack absorber in pipe joint.Develop one " the Whirl entraining lampblack absorber of band Contraction Ducts " for this reason, its Whirl entraining device is as same Contraction Ducts, smoking port is done in heavy caliber one end of collapsible tube, exhaust opening is done in small-bore one end of collapsible tube, its bore, according to the smoke exhaust pipe setting of selecting, can dock without dead angle pipe with the smoke exhaust pipe selected.
Last century five, sixties people describe with " under upstairs house, electric light phone " good life yearned for, and the building residence of construction does not have common flue, and cooking fume is directly to outdoor discharge.Common flue carried out by the multi-storey building built subsequently, and the building residence in city is more and more higher, and common flue will lead directly to top layer from bottom, and the sectional area of common flue will and then expand, and does not have the end!
In fact, the oil smoke that Whirl entraining lampblack absorber with Contraction Ducts discharges, it is the rotating fluid produced in Contraction Ducts, the vorticity of its axis gets a promotion, and the stability screwing whirlpool velocity profile is strengthened, the smoke exhaust pipe straight line extension within the specific limits of configuration, the on-way resistance in smoke exhaust pipe reduces gradually, is applicable to spacious kitchen and slightly long smoke discharging pipe.The oil smoke of Whirl entraining discharges through slightly long smoke exhaust pipe, its corresponding raising of purification efficiency; In the smoke exhaust pipe erect or tilt, the grease of cohesion can trickle downwards convergences, at one stroke removing.Even if level installs corrugated flexible hose to outdoor smoke evacuation on the suspended ceiling of kitchen, still promote fume purifying efficiency by lengthening smoke exhaust pipe, in addition the groove in bellows can also store a lot of grease.
Summary of the invention
With the Whirl entraining lampblack absorber of Contraction Ducts, be the heavy caliber one end at a collapsible tube, a coaxial embedding cone, the bus of described cone is parabolic type, and the osculum diameter of cone is 0.6 to 0.8 times of large mouth diameter.The large mouth diameter of cone and the large mouth equal diameters of collapsible tube, the cannelure of a cross section in " V " font bottom lock is formed in heavy caliber one end of collapsible tube, in ring slot outside, 1 centrifugal fan is installed, the ajutage of blower fan tangentially communicates with cannelure, produces Whirl entraining oil smoke to cannelure air-supply.Heavy caliber one end of this root collapsible tube is Whirl entraining mouth, the diameter of small-bore one end of this root collapsible tube, according to the smoke exhaust pipe diameter setting of selecting, just can dock with selected smoke exhaust pipe.Outside the inlet scoop of blower fan and Whirl entraining oil smoke mouth, a guide shell erect is set, the inlet scoop of blower fan and Whirl entraining oil smoke mouth are sealed in guide shell, smoke aperture on guide shell lower end and exhaust fume collecting hood shell top is tightly connected, for this range hood adds one section of broad smoking pipeline, the Whirl entraining lampblack absorber of the band Contraction Ducts be assembled into.It is characterized in that: erect or be mounted obliquely within the kitchen range top, also can flatly be arranged on above the kitchen range top; In broad smoking pipeline, multilayer oil sealing network, grid are set; The smoke exhaust pipe configured is straight-through outdoor.
Whirl entraining lampblack absorber with Contraction Ducts adopts frequency control, at efficient energy-saving and in applying, steps further again than the Whirl entraining lampblack absorber of movement and exhaust fume collecting hood partial installation.If it is used as the general movement of domestic cooking fume remover, the mode of " new wine in old bottles " is adopted to change well-worn range hood, user need not change the original installation site of lampblack absorber, even some manufactures are superior, moulding is again by the brand lampblack absorber extensively approved, well-worn shell is also recycling, makes its brand effect continue to keep, some brand range hoods perhaps can be made to update like a cork.
First use 1 embodiment by reference to the accompanying drawings, the Whirl entraining lampblack absorber of band Contraction Ducts is described in detail in detail, adopt frequency control, through the overall efficiency that contrast experiment measures, improve more than 40% than traditional lampblack absorber.
Enumerate 5 embodiments more by reference to the accompanying drawings, the Whirl entraining lampblack absorber introducing band Contraction Ducts substitutes traditional range hood, can adopt multiple mounting modes, and the multiple practical function obtained.
Accompanying drawing explanation
Fig. 1 is the vertical section organigram of the Whirl entraining device of band Contraction Ducts.
Fig. 2 is the vertical section organigram of the direct air-supply arrangement of blower fan.
Fig. 3 adopts frequency control with same centrifugal fan, on same smoke discharging pipe, directly to blow two kinds of air supply mode contrast experiments respectively to Whirl entraining air-supply and blower fan, the same frequency of mensuration and the correlogram of corresponding mean wind speed.
Fig. 4 is in the kitchen of common flue, traditionally the vertical section organigram installed and used of mode.
Fig. 5 is in the closet in common flue kitchen, the hidden front cross-sectional organigram installed and used.
Fig. 6 erects at smoke discharging pipe the vertical section organigram installed and used in through outdoor kitchen.
Fig. 7 does not establish in the kitchen closet of common flue at multi-storey building, the hidden front cross-sectional organigram installed and used.
Embodiment 1
Select a 130FLJ5 type centrifugal fan (input power 120w, frequency 50Hz, rotating speed 2600r/min), adopt frequency control, configure an internal diameter 156mm, the straight pipe of rigidity of long 900mm does smoke exhaust pipe, with same 1 Fans on same smoke discharging pipe, and the embodiment of the two kinds of air supply mode contrast experiments that respectively Whirl entraining air-supply and blower fan directly blown.
As shown in Figure 1: adopt a collapsible tube 1 to do the shell of Whirl entraining device, in heavy caliber one end of this root collapsible tube 1, coaxial embedding cone 2, the large mouth diameter of cone and the large mouth equal diameters of collapsible tube, the cannelure 3 of a cross section in " V " font sealed bottom is formed in heavy caliber one end of collapsible tube, outside cannelure 3, a 130FLJ5 type centrifugal fan 4 is installed, the impeller of blower fan keeps level, the ajutage of blower fan 4 tangentially communicates with cannelure 3, the diameter of small-bore one end of collapsible tube 1 is identical with the diameter of smoke exhaust pipe 5, the smoke exhaust pipe 5 installed with level docks.
As shown in Figure 2: the air-supply mouth of pipe keeping the 130FLJ5 type centrifugal fan 4 of level at same impeller, install reduction nipple 6, the smoke exhaust pipe 5 installed with same level is connected.
As shown in Figure 1 and Figure 2: same Fans adopts frequency control, on same smoke discharging pipe 5 of two kinds of air-supply arrangements, be the contrast experiment of two kinds of air supply modes, measure respectively: when frequency is 40Hz, 50Hz and 60Hz, in the smoke exhaust pipe 5 of two kinds of air-supply arrangements, corresponding mean wind speed, lists following subordinate list in.
Subordinate list contrast experiment measures the related data of same 130FLJ5 centrifugal fan two kinds of air supply modes
| Air supply mode | Frequency | Mean wind speed | Frequency | Mean wind speed | Frequency | Mean wind speed |
| Direct air-supply | 40Hz | 5.8m/s | 50Hz | 6.5m/s | 60Hz | 6.8m/s |
| Eddy flow is blown | 40Hz | 6.3m/s | 50Hz | 7.8m/s | 60Hz | 8.6m/s |
Three kinds of frequencies in table and corresponding mean wind speed, graph paper is put the correlation curve painted as shown in Figure 3.In figure 3: curve I is the correlation curve of the blower fan wind speed of directly blowing and corresponding frequencies, curve II is the wind speed of Whirl entraining lampblack absorber air-supply and the correlation curve of corresponding frequencies of band Contraction Ducts.
Curve I and curve II shows: the frequency of electric current is 40Hz, measure the average speed of the Whirl entraining lampblack absorber exhaust jet stream of band Contraction Ducts, exceed the mean wind speed 8.6% that blower fan is directly blown, when frequency heightens 60Hz by 40Hz, measure the average speed of the Whirl entraining lampblack absorber exhaust jet stream of band Contraction Ducts, the amplification exceeding the mean wind speed that blower fan is directly blown strengthens gradually, reaches 26%.Blower fan is directly blown, be equivalent to smoke exhaust pipe and lead directly to outdoor " Split type electrical range hood " (patent No.: ZL201220549111.4), this seperating cooker hood is than traditional type lampblack absorber synergy more than 20%, so contrast experiment's checking of embodiment 1: the Whirl entraining lampblack absorber of band Contraction Ducts adopts frequency control, and overall efficiency improves more than 40% than traditional type lampblack absorber.
Embodiment 2
With the Whirl entraining lampblack absorber of Contraction Ducts, adopt frequency control, in the embodiment that the kitchen arranging common flue is installed and used.
As shown in Figure 4: the structure of the Whirl entraining device in embodiment is identical with the structure shown in Fig. 1.With Fig. 1 difference be Whirl entraining device is docked with smoke exhaust pipe 5 after, level is arranged on above kitchen suspended ceiling 7, the outlet insertion common flue of smoke exhaust pipe 5 leads to the air inlet 8 in kitchen, the check fire valve 9 of open type rotation-limited is installed in the outlet of smoke exhaust pipe 5, the inlet scoop 10 of the centrifugal fan 4 installed outside cannelure 3 is towards the kitchen range top, below ceiling 7, in the inlet scoop 10 of blower fan 4, the square guide shell 11 of installation one is erect in peripheral below, in the side of square guide shell 11 upper end, one piece of arc 12 is installed, square the suitable for reading of guide shell 11 is turned to, the Whirl entraining mouth bottom the inlet scoop 10 of blower fan and cannelure 3, all be sealed in square guide shell 11, the smoke aperture that the end opening of square guide shell 11 and exhaust fume collecting hood shell 13 push up is tightly connected, make inlet scoop 10 and the Whirl entraining mouth of blower fan, same negative pressuren zone is in the space in exhaust fume collecting hood shell 13, one section of broad smoking pipeline is added before the inlet scoop of blower fan and Whirl entraining oil smoke mouth, in panel 14 edge of exhaust fume collecting hood and junction, shell 13 edge, reserve edge smoking seam 15, above the smoking aperture 16 at panel 14 center, double-deck loudspeaker tubular hurdle oil fence 17 is set, oil storage tank 18 is established in shell 13 back edge, establish the knob of regulation and control frequency converter in the front at shell 13 edge or touch sliding screen.
The Whirl entraining lampblack absorber of the band Contraction Ducts in the present embodiment, compact conformation, the diameter of collapsible tube osculum sets according to general smoke exhaust pipe diameter, the smoke exhaust pipe being 160mm with diameter docks, the large mouth diameter end of collapsible tube, still can install and use on the kitchen suspended ceiling that space is 200mm, the length of side of the square guide shell installed below ceiling, also the square tube hanging exhaust fume collecting hood with traditional type lampblack absorber is close, user replaces range hood need not change original installation site, and the shell of even original old lampblack absorber is also recycling.
Range hood in the present embodiment adopts variable-frequency stepless speed-regulating, installs and uses in the kitchen that multi-storey building has common flue.People can enable the maximum speed shelves of lampblack absorber usually on culinary art peak, because the check fire valve of open type rotation-limited installed by the air inlet leading to kitchen at common flue, experience is blocked up, the angle that valve opens reduces automatically along with the pressure increase in common flue, the noise of high rotating speed blower fan can be made to strengthen, at this moment people can be slowed down by fan, reduce noise to continue to propagandize, after operation several times, a noise the biggest drop will be found, can be exhausted again the tuning range of oil smoke, block up to oneself range hood reply common flue smoke evacuation, find the rotating speed that best.
Embodiment 3
With the Whirl entraining lampblack absorber of Contraction Ducts, in the kitchen that common flue is set, separately ward off smoke discharging pipe, adopt the embodiment of corrugated flexible hose directly to outdoor smoke evacuation of lengthening.
The structure of the Whirl entraining device in embodiment is identical with the structure shown in Fig. 4.That near kitchen range, and the exterior wall in kitchen is usually away from kitchen range, is arranged on the smoke exhaust pipe 5 above the suspended ceiling of kitchen, needs lengthening can pass exterior wall directly to outdoor smoke evacuation because the interior wall that common flue depends on kitchen is mostly arranged with Fig. 4 difference.Again because the smoke exhaust pipe on the suspended ceiling of kitchen adopts corrugated flexible hose mostly, enumerate the present embodiment checks for this reason: the Whirl entraining lampblack absorber of band Contraction Ducts, smoke exhaust pipe adopts the corrugated flexible hose lengthened, can on-way resistance affect practical function after strengthening?
Smoke exhaust pipe 5 in the present embodiment, uses the corrugated flexible hose of internal diameter 160mm instead and lengthens as 140cm, still adopting frequency control with 130FLJ5 type centrifugal fan.Measuring: frequency is for being 40Hz, 50Hz and 60Hz respectively, and corresponding mean wind speed is respectively 4.8m/s, 6.0m/s and 6.6m/s, and conversion air quantity is 330m
3/ h, 413m
3/ h and 453m
3/ h.Although upper limit air quantity that upper limit air quantity ratio " Code for design of dwelling houses " sets reduces 9%, because directly to outdoor smoke evacuation, culinary art peak does not have smoke evacuation and to block up interference, should be able to meet real requirement.Key is must be up to standard directly to the fume purifying rate of outdoor discharge, lengthens smoke exhaust pipe effective measures exactly; Although the grease be infected with in the bellows that level is installed can not trickle and collect, but the groove on corrugated pipe wall but can store a lot of grease, so, with the Whirl entraining lampblack absorber of Contraction Ducts, follow original mounting means, the corrugated flexible hose level lengthened is adopted to be arranged on above suspended ceiling, still can realize smoke evacuation purification up to standardly to exempt to unpick and wash this two Core Features with lampblack absorber, make the Whirl entraining lampblack absorber being with Contraction Ducts, install and use in the kitchen that common flue is set at oneself, also separately can ward off smoke discharging pipe directly to outdoor smoke evacuation.
Embodiment 4
With the Whirl entraining lampblack absorber of Contraction Ducts, mounting means traditionally, the hidden embodiment installed and used in the kitchen closet that common flue is set.
As shown in Figure 5: copy conventional mounting mode, between closet 19 first arranged side by side on the kitchen range top, erect the square guide shell 11 of installation one, the inlet scoop 10 of adjustment blower fan is in same plane with the Whirl entraining mouth bottom cannelure 3, again by the stage casing be placed in square guide shell 11 of Whirl entraining device inclination, the installation of tilting again one piece of dividing plate 20, the inlet scoop 10 of blower fan and Whirl entraining mouth are sealed in guide shell 11, smoke exhaust pipe 5 is allowed to expose from square guide shell 11 side is oblique, hiddenly be arranged in closet 19 arranged side by side, insert the air inlet 8 of common flue obliquely, the check fire valve 9 of open type rotation-limited is installed in smoke exhaust pipe 5 outlet, to the lever heavily cut or polish jade with an emery wheel be established to be bent downwardly check fire valve 9 back side, make when not discharging fume that lever is with heavily cutting or polish jade with an emery wheel degeneration, the valve of check fire valve 9 still upwards opens a little, becomes a kind of ejection relay device, the smoke aperture that the end opening of square guide shell 11 and exhaust fume collecting hood shell 13 push up is tightly connected, make inlet scoop 10 and the Whirl entraining mouth of blower fan, same negative pressuren zone is in the space in exhaust fume collecting hood shell 13, so one section of interval of square guide shell 11 lower end, for range hood adds one section of broad oil-absorbing pipeline, on the loudspeaker tubular hurdle oil fence 17 that panel 14 center of exhaust fume collecting hood is arranged, add a check (non-return) valve 21 as shutter, automatically open during smoke evacuation, also can manually open and close when not discharging fume.
The present embodiment obtains 2 improvement than embodiment 2: the smoke exhaust pipe tilting to install, and the grease on inwall easily trickles downwards convergence; Need not start range hood during Baoshang, as long as manually opened check (non-return) valve 21, the hot pressing utilizing the smoke exhaust pipe 5 tilting to install to have is poor, and the steam of Baoshang evaporation is discharged kitchen together with the fishy smell of hot soup.
Embodiment 5
Smoke discharging pipe for domestic and international high-end residential kitchen is erect and is led to outdoor, and the kitchen range top in outlying rural kitchen still has the smoke discharging pipe erectting straight-through outdoor, enumerates the present embodiment.
As shown in Figure 6: in figure, the structure of Whirl entraining device is identical with the structure shown in Fig. 5.With Fig. 5 difference be: the smoke discharging pipe in kitchen is erect and led to outdoor, Whirl entraining device in Fig. 6 first will be arranged in a circle or square guide shell 22 erect, small-bore one end of collapsible tube 1 is allowed to expose from the upper end sealing of guide shell 22, smoke exhaust pipe 5 lower end of installing with setting is docked, the outlet mounting block awning 23 on roof is vertically passed at smoke exhaust pipe 5, the connection of the smoke orifice sealing that the end opening of guide shell 22 and exhaust fume collecting hood shell 13 push up, in smoke exhaust pipe 5 periphery of erectting, one section of decoration cylinder 24 is set, square or circular guide shell 22 lower end is also wrapped up.
The most adherent installation of the smoke exhaust pipe 5 that outlying rural kitchen range is erect, if establish the island kitchen range top in the spacious kitchen of high-end residential, the smoke exhaust pipe 5 above the kitchen range top will soar aloft to hang.The circle configured in the present embodiment or square guide shell 22, the dainty load of profile is light, the length of side or the diameter of guide shell 22 are all less than 400mm, can adherent installation or high up in the air to hang, to smoke exhaust pipe 5 periphery hung high up in the air below ceiling 7, one section of decoration cylinder 24 is set, square or circular guide shell 22 lower end is also wrapped up, so, decoration cylinder 24 has just become " kaleidoscope ", user just can arbitrarily configure exhaust fume collecting hood miscellaneous in decoration cylinder 24 lower end, just as the flower in different poses and with different expressions that bursts forth in kaleidoscope.
Embodiment 6
With the Whirl entraining lampblack absorber of Contraction Ducts, in the kitchen that common flue is not set, copy conventional mounting mode, the hidden embodiment installed and used in closet.
Do not arrange in the kitchen of common flue at multi-storey building, with the Whirl entraining lampblack absorber of Contraction Ducts, except level is arranged on above the suspended ceiling of kitchen as embodiment 3, embodiment 4 also can be copied to be mounted obliquely within the kitchen range top, hidden in kitchen closet, can directly to outdoor discharge.
As shown in Figure 7: the Whirl entraining device in figure copies embodiment 4 to be inclined and mounted on the kitchen range top, because there is no the house of common flue, an only reserved exhaust smoke hole 25 on the exterior wall in kitchen, the kitchen range top arranges along the axis direction of exhaust smoke hole 25 by wall, so also will export at the smoke exhaust pipe 5 tilting through ceiling 7, be connected in series one section of wavy metal bend pipe 26, insert cigarette hole 25 reserved on kitchen exterior wall to outdoor smoke evacuation.
The present embodiment medium dip is arranged on the elevation angle of the smoke exhaust pipe 5 above the kitchen range top, can change within the scope of 30 ° ~ 60 °.In long and narrow kitchen, the elevation angle of smoke exhaust pipe 5 can be smaller, and the local resistance also corresponding reduction of ripple bend pipe 26, also can make smoke exhaust pipe 5 lengthen, and makes suction, the efficiency of mist extractor and fume purifying is all improved; If the limited length of the kitchen range top, the elevation angle of smoke exhaust pipe 5 can be made to be increased to about 50 °, the length of smoke exhaust pipe 5 can only reach about 1 meter, because the space in closet is strengthened than the space above suspended ceiling, strengthen the bore of smoke exhaust pipe 5 and Whirl entraining device, all can promote suction, mist extractor efficiency and fume purifying rate.The interval of one section, guide shell 11 lower end in Fig. 7, it is the broad smoking pipeline of a section of adding for range hood, very little in the oil sealing network arranged in broad smoking pipeline, grid resistance power, the net, the grid that block oil can be arranged to multilayer, i.e. so-called " fish crosses thousand layers of net; net net has fish ", can guarantee that the fume purifying discharged is up to standard.
The present embodiment witness: the Whirl entraining lampblack absorber mounting means of band Contraction Ducts can be diversified, and the oil smoke of discharge can purify up to standard, and key is that the fume purifying of discharge is up to standard, can directly to outdoor discharge.
Although the nowadays universal common flue of the town-property of China, because house common flue is the integrated of engineering product, the direct performance to whole gas extraction system carries out field test and the acceptance of work still has certain difficulty at present; The air quantity of domestic cooking fume remover is let drift still more, severe overweight, common flue be can't bear the heavy load, the operation conditions on culinary art peak as Fangtai Kitchen Utensil Co., Ltd., Ningbo first described in advertisement: " under upstairs house when cooking, all open lampblack absorber, the pressure of common flue can obviously strengthen, and lampblack absorber smoke evacuation resistance increases; easily block up; as driving on the road on peak on and off duty, often meet with traffic congestion, but have no way out." for a long time people this is turned a blind eye to; define " stereotype "; although apply " check fire valve of upper open type rotation-limited is intelligent with lampblack absorber " (patent No.: ZL201420426722.9) this patented technology; common flue can be alleviated and discharge fume and block up; be to the air quantity unified quantization of range hood, by no means easy.
In sum, Whirl entraining lampblack absorber with Contraction Ducts adopts frequency control, overall efficiency improves more than 40% than traditional range hood, apply in the house kitchen of common several house types, mounting means can be varied, cooking fume can be made to purify up to standard, can directly to outdoor smoke evacuation.Last century five, the sixties multi-storey building of China's construction does not arrange common flue, family cooking oil smoke is still in unordered discharge, be badly in need of regulation, apply the present invention the first kitchen single household at these houses, energy-saving and emission-reduction are kept separate accounts, shadow is shown in by main pole, then allows a large amount of practical functions of accumulation show: multi-storey building from now on not only can not establish common flue, kitchen also can spacious fashion some.
Claims (2)
1. be with the Whirl entraining lampblack absorber of Contraction Ducts, it is the heavy caliber one end at a collapsible tube, coaxial embedding cone, the bus of described cone is parabolic type, the osculum diameter of cone is 0.6 to 0.8 times of large mouth diameter, the large mouth diameter of cone and the large mouth equal diameters of collapsible tube.Form the cannelure of a cross section in " V " font bottom lock in heavy caliber one end of collapsible tube, install 1 centrifugal fan in ring slot outside, the ajutage of blower fan tangentially communicates with cannelure, produces Whirl entraining oil smoke to cannelure air-supply.Heavy caliber one end of this root collapsible tube is Whirl entraining mouth, the diameter of small-bore one end of this root collapsible tube, according to the smoke exhaust pipe diameter setting of selecting, just can dock with selected smoke exhaust pipe.Outside the inlet scoop of blower fan and Whirl entraining oil smoke mouth, a guide shell erect is set, the inlet scoop of blower fan and Whirl entraining oil smoke mouth are sealed in guide shell, smoke aperture on guide shell lower end and exhaust fume collecting hood shell top is tightly connected, for this range hood adds one section of broad smoking pipeline, be assembled into the Whirl entraining lampblack absorber of band Contraction Ducts.It is characterized in that: erect or be mounted obliquely within the kitchen range top, also can flatly be arranged on above the kitchen range top; Before the inlet scoop of blower fan and Whirl entraining oil smoke mouth, add one section of broad smoking pipeline, multilayer oil sealing network, grid are set in broad smoking pipeline; The smoke exhaust pipe configured is straight-through outdoor.
2. the Whirl entraining lampblack absorber as claimed in claim 1 with Contraction Ducts, at the centrifugal fan that ring slot outside is installed, is characterized in that: the impeller of blower fan keeps level, or the inlet scoop of blower fan and Whirl entraining mouth are in same plane.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016397A (en) * | 2016-06-07 | 2016-10-12 | 尹协振 | Range hood for generating rotating fluid in smoke discharge pipe transversely introduced outdoors |
| CN106765396A (en) * | 2016-12-24 | 2017-05-31 | 信宜市汇美电器有限公司 | A kind of hot pot table for possessing oil smoke suction function |
| CN106931484A (en) * | 2017-05-24 | 2017-07-07 | 赵宏杰 | A kind of range hood |
| CN107131536A (en) * | 2017-06-08 | 2017-09-05 | 太仓市思卡拓机械科技有限公司 | A kind of follow-on lampblack absorber |
| CN113531625A (en) * | 2021-08-26 | 2021-10-22 | 嵊州市浙江工业大学创新研究院 | Take scalable semi-recessive lampblack absorber of oblique flow fan formula |
-
2015
- 2015-07-01 CN CN201510391994.9A patent/CN105042658A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016397A (en) * | 2016-06-07 | 2016-10-12 | 尹协振 | Range hood for generating rotating fluid in smoke discharge pipe transversely introduced outdoors |
| CN106765396A (en) * | 2016-12-24 | 2017-05-31 | 信宜市汇美电器有限公司 | A kind of hot pot table for possessing oil smoke suction function |
| CN106931484A (en) * | 2017-05-24 | 2017-07-07 | 赵宏杰 | A kind of range hood |
| CN107131536A (en) * | 2017-06-08 | 2017-09-05 | 太仓市思卡拓机械科技有限公司 | A kind of follow-on lampblack absorber |
| CN113531625A (en) * | 2021-08-26 | 2021-10-22 | 嵊州市浙江工业大学创新研究院 | Take scalable semi-recessive lampblack absorber of oblique flow fan formula |
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