CN111706889B - Zero-emission type smoke exhaust ventilator - Google Patents
Zero-emission type smoke exhaust ventilator Download PDFInfo
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- CN111706889B CN111706889B CN201910202410.7A CN201910202410A CN111706889B CN 111706889 B CN111706889 B CN 111706889B CN 201910202410 A CN201910202410 A CN 201910202410A CN 111706889 B CN111706889 B CN 111706889B
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- oil
- negative pressure
- air chamber
- oil fume
- pressure air
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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
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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
- F24C15/2035—Arrangement or mounting of filters
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a zero-emission range hood, which comprises a range hood main body, wherein the range hood main body comprises: a negative pressure plenum having a fume inlet and a discharge port; the negative pressure generating mechanism is connected with the negative pressure air chamber and at least used for forming a negative pressure environment in the negative pressure air chamber; and the oil fume purification mechanism is arranged in the negative pressure air chamber and comprises an oil fume atomization mechanism and an oil fume filtering mechanism, and the oil fume atomization mechanism is connected with an oil fume inlet of the negative pressure air chamber and can atomize the oil fume introduced from the oil fume inlet and then introduce the atomized oil fume into the oil fume filtering mechanism. The zero-emission type range hood can filter the oil smoke in the range hood, achieves zero emission of the oil smoke, and is beneficial to purifying the living environment of people; and the device has simple structure, low processing cost, simple material acquisition and low price, and is favorable for wide popularization.
Description
Technical Field
The invention relates to a range hood, in particular to a zero-emission range hood, and belongs to the technical field of machinery.
Background
Along with the development of science and technology, the improvement of human standard of living, the requirement of mankind to environmental quality is higher and higher, and smoke ventilator can be with the harmful gas of kitchen range burning and the great amount of oil smoke that produces in the culinary art process fast pump away, and the discharge is outdoor, reduces indoor pollution, indoor air purification.
However, with the densification of population and towns, although the outdoor exhaust range hood purifies the environment of the home, the outdoor exhaust range hood pollutes the air of the city, so that the preparation of the range hood which is cheap, easy to operate, easy to install and zero in emission becomes the focus of the current research.
Disclosure of Invention
The invention aims to overcome the defect that the existing range hood discharges oil smoke to the outside to cause air pollution, and mainly aims to provide a zero-emission range hood.
In order to achieve the purpose, the technical scheme adopted by the invention comprises the following steps:
the embodiment of the invention provides a zero-emission range hood, which comprises a range hood main body, wherein the range hood main body comprises:
a negative pressure air chamber which is provided with an oil smoke inlet and an exhaust port,
a negative pressure generating mechanism connected with the negative pressure air chamber and at least used for forming a negative pressure environment in the negative pressure air chamber,
and the oil fume purification mechanism is arranged in the negative pressure air chamber and comprises an oil fume atomization mechanism and an oil fume filtering mechanism, and the oil fume atomization mechanism is connected with an oil fume inlet of the negative pressure air chamber and can atomize the oil fume introduced from the oil fume inlet and then introduce the atomized oil fume into the oil fume filtering mechanism.
Furthermore, filtering mechanism is including holding the receiving mechanism who has water, the atomizing outlet end of oil smog mechanism perhaps the atomizing outlet end setting of oil smog mechanism is below the surface of water towards the surface of water.
Furthermore, the oil smoke atomization mechanism comprises an oil smoke atomizer and an atomization nozzle connected with the oil smoke atomizer, the oil smoke atomizer is connected with an oil smoke inlet of the negative pressure air chamber, and the atomization nozzle faces the water surface or is arranged below the water surface.
Further, the oil smoke atomizer is connected with the atomizing nozzle through an arc-shaped connecting pipe (such as a semicircular bent pipe).
Further, zero release formula smoke ventilator still include: the condensed oil collecting mechanism comprises a flow guide mechanism and a collecting mechanism, the flow guide mechanism is arranged below the oil smoke inlet of the negative pressure air chamber, part of oil smoke in contact with the flow guide mechanism can be condensed to form condensed oil, and the condensed oil can enter the collecting mechanism along the flow guide mechanism; the collecting mechanism comprises an accommodating mechanism capable of accommodating condensed oil and a hydrophobic oil-absorbing sponge arranged in the accommodating mechanism.
Further, the flow guide mechanism comprises a flow guide plate, the collection mechanism comprises a condensed oil collecting tank, the hydrophobic oil absorption sponge is sponge treated by perfluorosiloxane, and the condensed oil collecting tank is arranged at the end part of the flow guide plate; wherein the guide plate slope sets up to make the condensate oil on the guide plate can be in leading-in condensate oil collecting vat under the action of gravity.
Further, the sponge treatment method comprises the following steps: soaking sponge in ethanol solution of perfluorosiloxane for 1h, and drying at 80 deg.C.
Furthermore, the range hood main body comprises an outer shell, a separation plate is arranged in the outer shell and is in sealing connection with the outer shell, so that the negative pressure air chamber is formed above the separation plate in a separated mode, the separation plate is provided with the oil smoke inlet, and the outer shell is provided with a discharge port; the flow guide mechanism is arranged below the isolation plate and connected with the outer shell, and the collection mechanism is detachably connected with the outer shell.
Furthermore, the containing mechanism and the negative pressure air chamber are integrally arranged, water for filtering oil smoke is arranged above the isolation plate, the height of the water surface in the negative pressure air chamber is not more than that of the oil smoke atomizer, and the vertical distance between the atomizing nozzle and the isolation plate is 0.2-1mm.
Furthermore, a water inlet communicated with the negative pressure air chamber is also formed in the outer shell, and a switch valve is arranged on the water inlet; the shell body is further provided with a waste oil discharge port communicated with the condensed oil collecting tank, and the waste oil discharge port is provided with a switch valve.
Further, the negative pressure generating mechanism comprises a vacuum air pump arranged at the discharge port, and the vacuum air pump comprises a vacuum air pump fixing shaft and blades arranged on the vacuum air pump fixing shaft.
Further, the range hood main body further comprises a control assembly, and the control assembly is connected with the negative pressure generating mechanism and the oil smoke purifying mechanism.
Furthermore, the filtering interception rate of the zero-emission range hood on the oil smoke is 98-100%.
Compared with the prior art, the zero-emission range hood can filter oil smoke in the range hood, the filtering interception rate of the oil smoke is 98-100%, zero emission of the oil smoke is achieved, and the purification of the living environment of people is facilitated; and the device has simple structure, low processing cost, simple material acquisition and low price, and is favorable for wide popularization.
Drawings
Fig. 1 is a schematic structural diagram of a zero emission range hood provided by the present invention and an exemplary embodiment;
fig. 2 is a schematic diagram of the internal structure of a zero emission range hood provided by the present invention and an exemplary embodiment;
description of reference numerals: 1-discharge port, 2-water inlet, 3-waste oil discharge port, 4-condensed oil collecting tank, 5-hydrophobic oil absorption sponge, 6-guide plate, 7-isolation plate, 8-atomizing nozzle, 9-oil smoke atomizer, 10-water, 11-vacuum air extractor blade and 12-vacuum air extractor fixing shaft.
Detailed Description
In view of the deficiencies in the prior art, the inventors of the present invention have made extensive studies and extensive practices to provide technical solutions of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.
Referring to fig. 2, as a typical case of the present invention, a zero-emission range hood related to the present invention may be fixed right above a kitchen range of 0.5 to 1m, the present invention provides a zero-emission range hood including a range hood main body, the range hood main body includes an outer casing, a partition plate 7 is disposed inside the outer casing, the partition plate 7 is fixedly and hermetically connected to the outer casing, so as to form a negative pressure air chamber above the partition plate 7, a plurality of oil smoke inlets are disposed on the partition plate 7, an oil smoke atomizer 9 is hermetically disposed on each oil smoke inlet, an outlet at one end of the oil smoke atomizer located in the negative pressure air chamber is further connected to an atomizing nozzle 8, and the oil smoke atomizer 9 can atomize oil smoke and then spray the oil smoke from the atomizing nozzle 8; a discharge port 1 is formed above the outer shell, a vacuum air pump is installed in the discharge port, the vacuum air pump can form a negative pressure environment in a negative pressure air chamber to suck external oil smoke, clear water 10 for filtering the oil smoke is contained in the negative pressure chamber, the height of the water surface is not more than that of an oil smoke atomizer 9, the phenomenon that water flows backwards along an atomizing nozzle 8 to the lower side of a partition plate 7 to pollute dishes is avoided, and the atomizing nozzle 8 faces the water surface; a condensate flow guide plate 6 and a condensate collecting tank 4 are further arranged below the partition plate 7, the condensate flow guide plate 6 is fixedly connected with the outer shell, the condensate flow guide plate 6 is obliquely arranged, the condensate collecting tank 4 is detachably arranged at the lowest end of the outer shell, and part of oil smoke can be condensed on the condensate flow guide plate 6 to form condensate oil which flows into the condensate collecting tank 4 under the action of gravity; the condensed oil collecting grooves 4 are provided on the peripheral portions of the condensed oil deflector 6.
It is specific, through semicircle elbow connection between oil smoke atomizer and the atomizing nozzle, make atomizing nozzle perpendicular to division board, guaranteed like this that atomizing nozzle 8 is below the surface of water and water can not flow backwards into the division board below through oil smoke atomizer, atomizing nozzle 8 is 1mm with the perpendicular distance of division board 7 simultaneously, makes and strikes division board 7 by 8 spun atomizing oil smoke and produces the secondary atomization, increases the area of contact with water, and then increases the absorption capacity of water to the oil smoke.
Specifically, setting up in the oil collecting vat 4 that condenses in the bottommost of shell, being provided with hydrophobic oil absorption sponge 5 in the oil collecting vat 4 that condenses, hydrophobic oil absorption sponge 5 is for reaching the sponge of hydrophobic oil absorption effect through the perfluorosiloxane processing.
Preferably, the sponge treatment method comprises the following steps: soaking sponge in ethanol solution of perfluorosiloxane for 1 hr, and drying at 80 deg.C.
Specifically, the partition plate is welded on the outer shell in a seamless mode to guarantee the sealing performance of the partition plate, and therefore oil smoke below the partition plate can enter the negative pressure air chamber from the oil smoke atomizer 9 and the atomizing nozzle 8.
Specifically, the upper part of the outer shell is also provided with a water inlet 2 communicated with the negative pressure air chamber, and water can be injected into the negative pressure air chamber through the water inlet 2; and a waste oil discharge port 3 communicated with the condensed oil collecting tank 4 is further arranged at the lower part of the outer shell, and the condensed oil in the condensed oil collecting tank 4 can be discharged from the waste oil discharge port 3.
Specifically, the vacuum air extractor comprises a vacuum air extractor fixed shaft 12 fixed on the outer shell and vacuum air extractor blades 11 arranged on the vacuum air extractor fixed shaft.
Specifically, the range hood main body further comprises a control assembly and a power supply assembly, the control assembly is connected with the power supply assembly, the vacuum air extractor, the oil fume atomizer 9 and the atomizing nozzle 8, the control assembly can adopt the existing control assembly, such as a control main board and the like, the adopted numerical control program and the adopted circuit structure can adopt the existing structure, and the control assembly can be obtained commercially. The specific structures of the oil mist atomizer, the atomizing nozzle 8, and the condensed oil deflector 6 are not particularly limited, and they are commercially available.
More specifically, before the zero-emission range hood works, clear water is firstly injected into a negative pressure air chamber, a water inlet and a waste oil discharge port 3 are closed, and a space above a partition plate 7 is pumped into a negative pressure state through the rotation of a blade 11 of a vacuum air pump, so that oil smoke generated by a stove enters the negative pressure air chamber through an oil smoke atomizer 9 and an atomizing nozzle 8, the oil smoke is atomized by the oil smoke atomizer 9 and is sprayed out by the atomizing nozzle 8, and the sprayed atomized oil smoke is contacted with water 10 and is discharged into the atmosphere; the oil smoke that does not get into the negative pressure plenum forms the condensate oil after contacting with condensate deflector 6, and in the condensate collecting vat 4 was derived along the condensate deflector 6 to the condensate oil, the hydrophobic oil absorption sponge 5 that sets up in the condensate collecting vat 4 can absorb the condensate oil, and the water that mingles can be exported by the exhaust port or pull down the condensate collecting vat 4 and pour out, can take out it when hydrophobic oil absorption sponge 5 reached saturation and put back in the condensate collecting vat 4 after the extrusion.
Compared with the prior art, the zero-emission range hood can filter the oil smoke in the range hood, achieves zero emission of the oil smoke, and is beneficial to purifying the living environment of people; and the device has simple structure, low processing cost, simple material acquisition and low price, and is favorable for large-scale popularization.
It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a zero release formula smoke ventilator, includes the smoke ventilator main part, its characterized in that, the smoke ventilator main part includes:
a negative pressure air chamber which is provided with an oil smoke inlet and an exhaust port,
a negative pressure generating mechanism connected with the negative pressure air chamber and at least used for forming a negative pressure environment in the negative pressure air chamber,
the oil fume purification mechanism is arranged in the negative pressure air chamber and comprises an oil fume atomization mechanism and an oil fume filtering mechanism, the oil fume atomization mechanism is connected with an oil fume inlet of the negative pressure air chamber and can atomize oil fume introduced from the oil fume inlet and then introduce the atomized oil fume into the oil fume filtering mechanism, the filtering mechanism comprises an accommodating mechanism for accommodating water, an atomization outlet end of the oil fume atomization mechanism faces the water surface or is arranged below the water surface, the oil fume atomization mechanism comprises an oil fume atomizer and an atomization nozzle connected with the oil fume atomizer, the oil fume atomizer is connected with the oil fume inlet of the negative pressure air chamber, and the atomization nozzle faces the water surface or is arranged below the water surface;
the condensed oil collecting mechanism comprises a flow guide mechanism and a collecting mechanism, the flow guide mechanism is arranged below the oil smoke inlet of the negative pressure air chamber, part of oil smoke in contact with the flow guide mechanism can be condensed to form condensed oil, and the condensed oil can enter the collecting mechanism along the flow guide mechanism; the collecting mechanism comprises an accommodating mechanism capable of accommodating condensed oil and a hydrophobic oil absorption sponge arranged in the accommodating mechanism;
the flow guide mechanism comprises a flow guide plate, the collection mechanism comprises a condensed oil collection tank, and the hydrophobic oil absorption sponge is sponge treated by perfluorosiloxane; the condensed oil collecting tank is arranged at the end part of the guide plate; the guide plate is obliquely arranged so that the condensed oil on the guide plate can be guided into the condensed oil collecting tank under the action of gravity;
the range hood main body comprises an outer shell, a separation plate is arranged in the outer shell and is in sealed connection with the outer shell, so that a negative pressure air chamber is formed above the separation plate in a separated mode, the separation plate is provided with the oil smoke inlet, and the outer shell is provided with a discharge port; the flow guide mechanism is arranged below the isolation plate and connected with the outer shell, the collection mechanism is detachably connected with the outer shell, the containing mechanism and the negative pressure air chamber are integrally arranged, water for filtering oil smoke is arranged above the isolation plate, the height of the water surface in the negative pressure air chamber is not more than that of the oil smoke atomizer, and the vertical distance between the atomizing nozzle and the isolation plate is 0.2-1mm.
2. The zero emission range hood of claim 1, wherein: the oil smoke atomizer is connected with the atomizing nozzle through an arc-shaped connecting pipe.
3. The zero emission range hood of claim 1, wherein: the shell is also provided with a water inlet communicated with the negative pressure air chamber, and the water inlet is provided with a switch valve; the shell body is further provided with a waste oil discharge port communicated with the condensed oil collecting tank, and the waste oil discharge port is provided with a switch valve.
4. The zero emission range hood of claim 1, wherein: the negative pressure generating mechanism comprises a vacuum air pump arranged at the discharge port, and the vacuum air pump comprises a vacuum air pump fixing shaft and blades arranged on the vacuum air pump fixing shaft.
5. The zero emission range hood of claim 1, wherein: the range hood main body further comprises a control assembly, and the control assembly is connected with the negative pressure generating mechanism and the oil smoke purifying mechanism.
6. The zero emission range hood of claim 1, wherein: the filtering interception rate of the zero-emission type smoke exhaust ventilator to oil smoke is 98-100%.
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CN201910202410.7A CN111706889B (en) | 2019-03-18 | 2019-03-18 | Zero-emission type smoke exhaust ventilator |
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CN201910202410.7A CN111706889B (en) | 2019-03-18 | 2019-03-18 | Zero-emission type smoke exhaust ventilator |
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CN111706889B true CN111706889B (en) | 2023-01-31 |
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Citations (1)
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CN206488328U (en) * | 2016-12-19 | 2017-09-12 | 重庆旭穆科技有限公司 | Oil fume collection conduit |
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DE3324124A1 (en) * | 1983-02-05 | 1984-08-09 | Walter Kroll GmbH, 7141 Kirchberg | Spraying apparatus |
DE9207241U1 (en) * | 1992-06-01 | 1992-10-22 | Bachmann, Adolf, 3000 Hannover | Exhaust air purification facility |
CN2535116Y (en) * | 2002-03-15 | 2003-02-12 | 娄德奎 | Cleaning-free high-efficient oil fume treatment apparatus |
CN102949909B (en) * | 2011-08-16 | 2014-07-30 | 林洁丽 | High-efficiency low-cost catering oil fume purifier |
CN103041662A (en) * | 2011-10-14 | 2013-04-17 | 周开泰 | Smoke purifying device and smoke exhauster |
CN103084023A (en) * | 2011-11-02 | 2013-05-08 | 王绍坤 | Lampblack depuration machine |
CN205619396U (en) * | 2016-04-21 | 2016-10-05 | 王健 | Deoiling smoke ventilator |
CN207299077U (en) * | 2017-08-11 | 2018-05-01 | 广州桂水环保工程有限公司 | A kind of New soot cleaner |
CN207162686U (en) * | 2017-09-14 | 2018-03-30 | 沈阳东方和利厨业有限公司 | Cooking fume control equipment |
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CN206488328U (en) * | 2016-12-19 | 2017-09-12 | 重庆旭穆科技有限公司 | Oil fume collection conduit |
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