CN103836693A - Cooking fume exhaust hood - Google Patents
Cooking fume exhaust hood Download PDFInfo
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- CN103836693A CN103836693A CN201410101966.4A CN201410101966A CN103836693A CN 103836693 A CN103836693 A CN 103836693A CN 201410101966 A CN201410101966 A CN 201410101966A CN 103836693 A CN103836693 A CN 103836693A
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Abstract
The invention discloses a cooking fume exhaust hood which comprises a hood body, wherein a fume containing cavity is formed in the hood body; an air outlet is formed in the upper part of the hood body, and an installation part for installing an exhaust fan is installed just opposite to the air outlet; the lower part of the hood body is provided with at least one fume inlet cylinder, and a fume inlet is correspondingly formed in the lower end of the fume inlet cylinder; the diameter of the fume inlet is smaller than that of the fume inlet cylinder so as to form an oil gathering platform, and an oil draining pipe is connected onto the oil gathering platform; a centrifugal fan is correspondingly arranged in the fume inlet cylinder, blades of the centrifugal fan are vertical to the inner surface of the fume inlet cylinder, and an annular baffle plate is arranged above the blades. The cooking fume exhaust hood has the advantages that the structure is simple; the exhaust fan installed through the installation part is utilized to generate negative pressure to suck cooking fume into the fume inlet cylinder; in the fume inlet cylinder, cooking fume slowly and spirally rises and is centrifugally separated under the action of the centrifugal fan with the vertical blades; the oil removing capacity is great, and the separation efficiency is high.
Description
Technical field
The present invention relates to kitchen utensils technical field, particularly a kind of lampblack-removing hood.
Background technology
In cooking process, can produce a large amount of oil smoke, in oil smoke, contain a lot of greasy dirt particulates, oil smoke not only can pollute facility in kitchen, wall, make its surface coverage one deck greasy dirt and be difficult to clean, cooker sucks too much oil smoke and also can have a huge impact healthy, and a large amount of oil smoke is drained into also can cause atmosphere pollution in atmosphere.
In family kitchen, range hood or the smoke exhaust ventilators of adopting siphon away oil smoke more, need to adopt powerful smoke exhaust ventilator to remove oil smoke in the kitchen of hotel, hotel, eating and drinking establishment.The no matter size of smoke exhaust ventilator power, their operation principle is similar, all to adopt air exhauster in certain spatial dimension, to form negative pressuren zone above cooking stove, utilize negative pressure that oil smoke is sucked in smoke eliminating equipment, in the process sucking at oil smoke, greasy dirt particulate is cooling to be condensed and forms oil droplet and be collected, and that flue gas is finally discharged from is outdoor.
Oil-collecting petticoat pipe is a vitals of smoke exhaust ventilator, the structure of petticoat pipe will directly affect the removal amount of greasy dirt, existing petticoat pipe is in smoking process, easily produce rebound effect, and oil smoke has certain cohesion liquefaction effect, with the contacting bounce-back process and can accelerate the liquefaction of oil smoke of petticoat pipe surface, and liquefy while running up to certain weight when oil droplet, the draft of smoke exhaust ventilator will be not enough to be detached, thus affect lampblack absorber oil removing ability.
Therefore, how improving the oil removing ability of smoke exhaust ventilator, is these those skilled in the art technical barriers to be solved, is also the primary study direction of smoke exhaust ventilator.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, provides simple in structure, a kind of lampblack-removing hood that oil removing ability is strong, efficiency is high.
The present invention solves the problems of the technologies described above adopted technical scheme:
A kind of lampblack-removing hood, include petticoat pipe body, wherein, in petticoat pipe body, be provided with appearance smoke chamber, the top of this petticoat pipe body offers air outlet, just air outlet position is provided with to the installation portion for air exhauster is installed, the bottom of petticoat pipe body is provided with at least one smoke-input tube, the lower end correspondence of smoke-input tube offers into mouth, this diameter that enters mouth is less than the diameter of smoke-input tube and forms an oil gathering platform, on oil gathering platform, connect an oil exit pipe, in smoke-input tube, correspondence is provided with centrifugal blower, the blade of centrifugal blower is vertical with the inner surface of smoke-input tube to be arranged, its blade top arranges a ring baffle, oil droplet is centrifuged separation in oil smoke in smoke-input tube inside spin uphill process.
For optimizing technique scheme, the concrete measure of taking also comprises:
The number of above-mentioned smoke-input tube is two, and two smoke-input tubes are symmetricly set in the bottom of petticoat pipe body.
The above-mentioned interior edge of entering mouth upwards turns down and forms annular oil baffle.
The diameter of above-mentioned ring baffle is less than the diameter of the blade of described centrifugal blower.
The lower, outer perimeter of above-mentioned petticoat pipe body extends to form rib downwards.
The lower end of above-mentioned petticoat pipe body is positioned at into the below of mouth and is provided with wire netting.
The blade surface of above-mentioned centrifugal blower is planar structure.
The blade surface of above-mentioned centrifugal blower is curved-surface structure.
Above-mentioned air exhauster is axial flow blower.
Above-mentioned axial flow blower is arranged at the central upper portion of described petticoat pipe body.
Compared with prior art, a kind of lampblack-removing hood of the present invention, adopt and offer air outlet on the top of petticoat pipe body, and just air outlet position is being provided with to the installation portion for air exhauster is installed, utilize air exhauster to form negative pressure and the oil smoke producing in cooking process is sucked in petticoat pipe, the bottom of petticoat pipe body is provided with smoke-input tube, and the lower end of smoke-input tube is offered into mouth, the surrounding of entering mouth forms oil gathering platform, and on oil gathering platform, connects an oil exit pipe; In smoke-input tube, be also provided with centrifugal blower, the blade of this centrifugal blower is vertical with the inner surface of smoke-input tube to be arranged, utilize centrifugal blower to produce oil droplet particulate in centrifugal force separate oil smoke, the inwall cooling liquid that the oil droplet particulate of separating is encountered smoke-input tube forms oil droplet, and slide to oil gathering platform under inwall, and finally to discharge from oil exit pipe, blade vertically arranges, eliminate the axial force that blade produces, thereby made the effect of centrifugation better; Blade top arranges a ring baffle, the setting of ring baffle, and the speed that oil smoke rises in smoke-input tube that slowed down, makes oil smoke spiral lentamente, thereby improves the separation rate of oil droplet particulate, strengthens the oil removing ability of lampblack absorber.This lampblack-removing hood is simple in structure, and oil removing ability is strong, efficiency is high.
In addition, the interior edge of entering mouth upwards turns down and forms annular oil baffle, can effectively prevent that the oil droplet on oil gathering platform from dripping from entering mouth.
Below mouth, be provided with wire netting and be positioned in the lower end of petticoat pipe body, the high-temperature oil smoke producing in cooking process, contact with wire netting entering before mouth, thereby and carry out heat transmission with wire netting and make high-temperature oil smoke cooling, this is more conducive to the cooling liquid of oil droplet particulate in smoke-input tube, thereby improve the separative efficiency of oil droplet, further increase the separation rate of oil droplet.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is I portion enlarged drawing in Fig. 1;
Fig. 3 is the structural representation one of Leaf of the present invention;
Fig. 4 is the structural representation two of Leaf of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Embodiment as shown in Figures 1 to 4,
Figure grade explanation: petticoat pipe body 1, hold smoke chamber 1a, air outlet 11, installation portion 12, smoke-input tube 13, enter mouth 14, oil gathering platform 15, oil exit pipe 16, oil baffle 17, rib 18, air exhauster 2, centrifugal blower 3, blade 31, ring baffle 32, wire netting 4; In figure, the direction of arrow represents oil smoke flow direction.
As shown in Figures 1 to 4,
A kind of lampblack-removing hood of the present invention, include petticoat pipe body 1, wherein, in petticoat pipe body, be provided with and hold smoke chamber 1a, the top of this petticoat pipe body 1 offers air outlet 11, just air outlet 11 positions are provided with to the installation portion 12 for air exhauster 2 is installed, the bottom of petticoat pipe body 1 is provided with at least one smoke-input tube 13, the lower end correspondence of smoke-input tube 13 offers into mouth 14, this diameter that enters mouth 14 is less than the diameter of smoke-input tube 13 and forms an oil gathering platform 15, on oil gathering platform 15, connect an oil exit pipe 16, the interior correspondence of smoke-input tube 13 is provided with centrifugal blower 3, the vertical setting of inner surface of the blade 31 of centrifugal blower 3 and smoke-input tube 13, its blade 31 tops arrange a ring baffle 32, oil droplet is centrifuged separation in oil smoke in smoke-input tube 13 inside spin uphill process.
The effect of holding smoke chamber 1a is that oil smoke is inhaled in petticoat pipe body 1, interior by after oil droplet separation of particles in oil smoke at smoke-input tube 13 in order to want flue gas outside discharge chamber that the space of a buffering is provided, and after holding smoke chamber 1a and obtaining cushioning, then discharges from air outlet 11.
The vertical setting of inner surface of the blade 31 of centrifugal blower 3 and smoke-input tube 13, makes centrifugal blower 3 in rotation process, can not produce axial force, and has increased centrifugal force, thereby make the separating effect of oil droplet particulate better.And a ring baffle 32 is set above blade 31, and can slow down the rate of climb of smoke-input tube 13 interior flue gases, increase the time of staying of flue gas in smoke-input tube 13, more there is the separation that utilizes oil droplet particulate.
The rotation of the air exhauster 2 of installing due to installation portion 12 will produce negative pressure, the rising that this negative pressure is flue gas provides power, and blade 31 vertically arranges, can not produce axial force, only can produce centrifugal force radially, the effect of centrifugal force is that oil droplet particulate is separated from oil smoke, and in the process separating at oil droplet, flue gas also can be subject to the effect of centrifugal force and move to the inwall of smoke-input tube 13; The power upwards that centrifugal force and air exhauster 2 provide forms makes a concerted effort, flue gas in smoke-input tube 13 is moved upward in making centrifugal motion, thereby in the effect of the interior formation screw of smoke-input tube 13, due to the iris action of ring baffle 32, in actual use procedure, flue gas spiral slowly in smoke-input tube 13.
In the process that flue gas rises at smoke-input tube 13 inside spins, oil droplet particulate is subject to the effect of centrifugal force and separates from oil smoke, the oil droplet particulate of separating is centrifuged power and gets on the inwall of smoke-input tube 13, oil droplet particulate contacts and produces heat transmission with the inwall of smoke-input tube 13, make oil droplet particulate cooling down, liquefaction is condensed into oil droplet, oil droplet is attached on the inwall of inwall of smoke-input tube 13, in the time that gathering certain weight, oil droplet just can under the inwall of smoke-input tube 13, slide on the oil gathering platform 15 of 14 4 groups of mouths, final discharge from be connected in the oil exit pipe 16 oil gathering platform 15.
For the oil on oil gathering platform 15 can successfully be discharged, oil exit pipe 16 junctions can be a little less than other place of oil gathering platform 15, thereby makes oil droplet can automatically flow to oil exit pipe 16.
In embodiment, the number of smoke-input tube 13 is two, and two smoke-input tubes 13 are symmetricly set in the bottom of petticoat pipe body 1.The stove quantity according to actual of the number of smoke-input tube 13 is determined, the corresponding stove of each smoke-input tube 13, and by smoke-input tube 13 be arranged at stove directly over, make deoiling effect better.
In embodiment, the interior edge of entering mouth 14 upwards turns down and forms annular oil baffle 17; Arranging of oil baffle 17 can effectively prevent that on oil gathering platform 15, oil droplet drips and contaminated food or the kitchen range top from entering mouth 14.
In embodiment, the diameter of ring baffle 32 is less than the diameter of the blade 31 of described centrifugal blower 3; Distance between ring baffle 32 peripheries and smoke-input tube 13 inwalls directly affects the speed of flue gas in smoke-input tube 13 interior risings, distance is between the two crossed conference and is made the excessive velocities of flue gas rising and affect deoiling effect, distance is between the two too small can cause having some setbacks of exhaust, cause the obstruction of flue gas in smoke-input tube 13 and produce very large air pressure, and cross the vibration that atmospheric generation can produce noise or even equipment, thereby affect the normal operation of equipment.
In embodiment, the lower, outer perimeter of petticoat pipe body 1 extends to form rib 18 downwards.
In embodiment, the lower end of petticoat pipe body 1 is positioned at into the below of mouth 14 and is provided with wire netting 4.
The setting of rib 18 makes the interior negative pressure space of petticoat pipe body 1 to downward-extension, thereby more easily flue gas is sucked in petticoat pipe body 1.Wire netting 4 is installed on the lower end of rib 18, its effect is, entering smoke-input tube 13 at high-temperature oil smoke carries out first oil smoke tentatively being lowered the temperature before centrifugation, because wire netting 4 is arranged at into the below of mouth 14, oil smoke is entering in the process of smoke-input tube 13, will inevitably contact and carry out heat transmission with wire netting 4, thereby make high-temperature oil smoke cooling, thereby make the separating effect of the interior oil droplet particulate of smoke-input tube 13 better.
In embodiment, blade 31 surfaces of centrifugal blower 3 are planar structure, and blade 31 surfaces of centrifugal blower 3 can be also curved-surface structure; No matter how blade 31 surfaces convert, and the cross section of blade 31 is vertical in the inwall of smoke-input tube 13 all the time.
In embodiment, air exhauster 2 is axial flow blower.
In embodiment, axial flow blower is arranged at the central upper portion of described petticoat pipe body 1.
Operation principle:
Air exhauster 2 rotates and produces negative pressure, for suction and the rising of oil smoke provide power, the high-temperature oil smoke producing in cooking process is under suction function, be inhaled in petticoat pipe body 1, first high-temperature oil smoke contacts with the wire netting 4 that is installed on petticoat pipe body 1 lower end and carries out heat transmission in suction process, and high-temperature oil smoke is tentatively lowered the temperature.Then oil smoke is inhaled in smoke-input tube 13 from entering mouth 14, in smoke-input tube 13, centrifugal blower 3 rotates and produces centrifugal force, oil smoke is subject to the acting in conjunction of centrifugal force and negative pressure power and spiral in smoke-input tube 13, in the spiralling process of oil smoke, oil droplet particulate in oil smoke is separated under centrifugal action, and the power that is centrifuged is thrown on the inwall of smoke-input tube 13, the inner surface heat transmission of oil droplet particulate and smoke-input tube 13 and cooling liquid, and cohesion is attached on the inwall of smoke-input tube 13.Be attached to oil droplet on the inwall of smoke-input tube 13 and finally can under inwall, slide on oil gathering platform 15, and flow to oil exit pipe 16 and discharge from oil exit pipe 16, and flue gas after oil removing continues to rise to and holds in smoke chamber 1a under suction function, finally from air outlet 11 discharge chambers.
This lampblack-removing hood, oil removing ability is strong, and deoiling effect is good, and the oil droplet rate of removing can obtain 99%, can effectively solve the oil smoke problem of family and food place of business.
Most preferred embodiment of the present invention is illustrated, and the various variations of being made by those of ordinary skill in the art or remodeling can not depart from the scope of the present invention.
Claims (10)
1. a lampblack-removing hood, include petticoat pipe body (1), it is characterized in that: in described petticoat pipe body, be provided with and hold smoke chamber (1a), the top of this petticoat pipe body (1) offers air outlet (11), just air outlet (11) position is provided with to the installation portion (12) for air exhauster (2) are installed, the bottom of described petticoat pipe body (1) is provided with at least one smoke-input tube (13), the lower end correspondence of described smoke-input tube (13) offers into mouth (14), this diameter that enters mouth (14) is less than the diameter of smoke-input tube (13) and forms an oil gathering platform (15), the upper oil exit pipe (16) that connects of described oil gathering platform (15), the described interior correspondence of smoke-input tube (13) is provided with centrifugal blower (3), the blade (31) of described centrifugal blower (3) and vertical setting of inner surface of smoke-input tube (13), its blade (31) top arranges a ring baffle (32), oil droplet is centrifuged separation in oil smoke in smoke-input tube (13) inside spin uphill process.
2. a kind of lampblack-removing hood according to claim 1, is characterized in that: the number of described smoke-input tube (13) is two, and the smoke-input tube (13) described in two is symmetricly set in the bottom of petticoat pipe body (1).
3. a kind of lampblack-removing hood according to claim 2, is characterized in that: the described interior edge of entering mouth (14) upwards turns down and forms annular oil baffle (17).
4. a kind of lampblack-removing hood according to claim 3, is characterized in that: the diameter of described ring baffle (32) is less than the diameter of the blade (31) of described centrifugal blower (3).
5. a kind of lampblack-removing hood according to claim 4, is characterized in that: the lower, outer perimeter of described petticoat pipe body (1) extends to form rib (18) downwards.
6. a kind of lampblack-removing hood according to claim 5, is characterized in that: the lower end of described petticoat pipe body (1) is positioned at into the below of mouth (14) and is provided with wire netting (4).
7. a kind of lampblack-removing hood according to claim 6, is characterized in that: blade (31) surface of described centrifugal blower (3) is planar structure.
8. a kind of lampblack-removing hood according to claim 6, is characterized in that: blade (31) surface of described centrifugal blower (3) is curved-surface structure.
9. according to a kind of lampblack-removing hood described in claim 7 or 8, it is characterized in that: described air exhauster (2) is axial flow blower.
10. a kind of lampblack-removing hood according to claim 9, is characterized in that: described axial flow blower is arranged at the central upper portion of described petticoat pipe body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101966.4A CN103836693A (en) | 2014-03-19 | 2014-03-19 | Cooking fume exhaust hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101966.4A CN103836693A (en) | 2014-03-19 | 2014-03-19 | Cooking fume exhaust hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103836693A true CN103836693A (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410101966.4A Pending CN103836693A (en) | 2014-03-19 | 2014-03-19 | Cooking fume exhaust hood |
Country Status (1)
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| CN (1) | CN103836693A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889997A (en) * | 2014-09-22 | 2016-08-24 | 钱文进 | Oil fume separation extractor hood with purifier blade disc |
| CN108379941A (en) * | 2018-04-23 | 2018-08-10 | 成都欧瑞康环保科技有限公司 | Fume purifying all-in-one machine |
| CN109595622A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of range hood |
| CN109798543A (en) * | 2018-12-30 | 2019-05-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Firepower control method, apparatus, kitchen range and the storage medium of kitchen range |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889997A (en) * | 2014-09-22 | 2016-08-24 | 钱文进 | Oil fume separation extractor hood with purifier blade disc |
| CN109595622A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of range hood |
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| CN108379941A (en) * | 2018-04-23 | 2018-08-10 | 成都欧瑞康环保科技有限公司 | Fume purifying all-in-one machine |
| CN109798543A (en) * | 2018-12-30 | 2019-05-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Firepower control method, apparatus, kitchen range and the storage medium of kitchen range |
| CN109798543B (en) * | 2018-12-30 | 2020-12-29 | 佛山市顺德区美的洗涤电器制造有限公司 | Fire control method and device of stove, stove and storage medium |
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Application publication date: 20140604 |