CN112914379A

CN112914379A - Ultraviolet oil fume removing oven

Info

Publication number: CN112914379A
Application number: CN202110317269.2A
Authority: CN
Inventors: 何维; 吴文东; 江炜
Original assignee: Foshan Youweishi Optoelectronics Technology Co ltd
Current assignee: Foshan Youweishi Optoelectronics Technology Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-06-08

Abstract

The invention discloses an ultraviolet oil fume removing oven, which comprises: a housing, inside which a heating cavity is arranged; the oil fume treatment air duct is arranged in the shell and provided with an air inlet and an air outlet, and the air inlet is communicated with the heating cavity; the oil fume filtering component comprises an oil filtering piece, the oil filtering piece is arranged in the oil fume treatment air channel and is close to the air inlet, and the oil filtering piece is used for filtering the oil fume entering the oil fume treatment air channel; the oil fume decomposition component comprises an ultraviolet lamp, the ultraviolet lamp is arranged in the oil fume treatment air duct, and the ultraviolet lamp is arranged on one side of the oil filtering piece, which is far away from the air inlet. Oil smoke generated by baking food enters the oil smoke treatment air duct from the air inlet; the oil smoke firstly passes through the oil smoke filtering component, and the oil filtering component filters the oil smoke, so that the quantity and particle size of the oil smoke can be reduced; then through oil smoke decomposition assembly, the oil smoke decomposes under the effect of the ultraviolet ray that the ultraviolet lamp sent to make the oily smoke volume of the gas of discharging the gas outlet reduce, reduce the oil smoke that the oven produced.

Description

Ultraviolet oil fume removing oven

Technical Field

The invention relates to the technical field of ovens, in particular to an ultraviolet oil fume removing oven.

Background

The oven is a common electric appliance for baking food, a large amount of oil smoke is generated when the food is baked, substances harmful to human bodies are generated in the high-temperature baking process of the oil smoke, people inhale the substances to influence health, the taste of the food is influenced by the oil smoke, the oil smoke is adhered in the oven, the cleaning difficulty is increased, and peculiar smell is generated after the oil smoke is used for a long time. It would be desirable to have a fume removal oven that reduces fume generation.

Disclosure of Invention

The invention mainly aims to provide an ultraviolet oil fume removing oven, and aims to solve the technical problem that a great amount of oil fume is generated by the oven in the prior art.

In order to achieve the above object, the present invention provides an ultraviolet oil fume removing oven, comprising:

a housing, inside which a heating cavity is arranged;

the oil fume treatment air channel is arranged in the shell and provided with an air inlet and an air outlet, and the air inlet is communicated with the heating cavity;

the oil fume filtering component comprises an oil filtering piece, the oil filtering piece is arranged in the oil fume treatment air channel and is close to the air inlet, and the oil filtering piece is used for filtering the oil fume entering the oil fume treatment air channel;

the oil smoke decomposition assembly comprises an ultraviolet lamp, the ultraviolet lamp is used for emitting ultraviolet rays capable of decomposing oil smoke, the ultraviolet lamp is arranged in the oil smoke treatment air duct, and the ultraviolet lamp is arranged on one side, far away from the air inlet, of the oil filtering piece.

Baking the food in the heating cavity, wherein the oil smoke generated by baking the food enters the oil smoke treatment air duct from the air inlet; the oil smoke passes through the oil smoke filtering component in the oil smoke treatment air duct, and the oil filtering component of the oil smoke filtering component filters the oil smoke, so that the quantity and particle size of the oil smoke can be reduced; the filtered oil smoke passes through the oil smoke decomposition component, and the oil smoke is decomposed under the action of ultraviolet rays emitted by the ultraviolet lamp, so that the oil smoke content of gas exhausted from the gas outlet is reduced, and the oil smoke and peculiar smell generated by the oven are reduced; before ultraviolet decomposition, the oil smoke is filtered, so that the oil smoke can be in contact reaction with ultraviolet more, and the oil smoke removing effect is improved.

Preferably, the oil smoke treatment air duct comprises a front air duct and a rear air duct which are arranged along the direction from the air inlet to the air outlet, a heat insulation layer is arranged on the side wall of the rear air duct, and the oil smoke decomposition component is arranged in the front air duct. During operation, the ultraviolet rays generate ozone, and the content of the ozone in the purified gas needs to be controlled; ozone decomposes very fast when the temperature is higher, and this technique sets up the heat preservation in the lateral wall in back wind channel, can make the back wind channel keep higher temperature, and the time of extension ozonolysis makes ozonolysis more abundant, and the reducible ozone content from the gas outlet combustion gas reduces the harm to the human body.

Preferably, the oil filter piece includes the oil filter plate, the oil filter plate with the casing is connected, be equipped with a plurality of oil strain seams on the oil filter plate. The gas with oil smoke passes through the oil filter plate from the oil filter seam; part of oil smoke particles are adhered to the oil filter plate for condensation, so that the oil smoke amount can be reduced; part of the oil smoke passes through the oil filtering seams, and the edges of the oil filtering seams can cut larger oil smoke pairs, so that the size of oil smoke particles passing through the oil filtering seams is reduced, and the oil smoke particles are decomposed more quickly and fully.

Preferably, the shell is provided with a first slot, the first slot is communicated with the oil fume treatment air channel, and the oil filter piece is detachably inserted into the first slot. After the oil filter is used for a certain time, more oil is adhered to the oil filter, and the oil filter can be detached for cleaning, so that the oil filter keeps better oil filtering capability and sanitation.

Preferably, the shell is detachably connected with an oil receiving groove, and the oil receiving groove is arranged right below the oil filtering piece. When more oil is adhered to the oil filtering piece, the oil drops downwards into the oil receiving groove to be collected so as to prevent the oil from flowing to other places; the oil receiving groove can be detached for cleaning, and is convenient to clean.

Preferably, the ultraviolet lamp emits ultraviolet light having a wavelength of 185nm or 254 nm. The ultraviolet ray with the wavelength of 185nm or 254nm has stronger energy and better decomposition effect.

Preferably, the outer wall of the ultraviolet lamp is provided with a hydrophobic and oleophobic coating. In the using process, part of oil smoke is adhered to the outer wall of the ultraviolet lamp tube, and the ultraviolet lamp is required to be cleaned regularly to keep a good purifying effect; the outer wall of the ultraviolet lamp is provided with the hydrophobic and oleophobic coating, so that the adhesion force of oil smoke can be reduced, and the oil smoke on the ultraviolet lamp can be cleaned more easily and conveniently.

Preferably, the ultraviolet oil smoke removal oven further comprises an ozone adsorption component, the ozone adsorption component is arranged in the oil smoke treatment air channel, the ozone adsorption component is close to the air outlet, and an ozone adsorbent is filled in the ozone adsorption component. The ozone adsorption component is arranged at a position close to the gas outlet, and the ozone adsorbent can adsorb ozone in gas, so that the content of ozone is further reduced.

Preferably, the ozone adsorbent is activated carbon or manganese dioxide. The active carbon or manganese dioxide has better adsorption capacity to ozone.

Preferably, the air inlet is provided at an upper side of the heating cavity, and the air outlet is provided at a lower side of the housing. Because the oil smoke is heated and floats upwards, the oil smoke is easier to be sucked out of the heating cavity by arranging the air inlet at the upper side of the heating cavity; the air outlet is arranged at the lower side of the shell, so that the length of an oil fume treatment air channel can be prolonged, and the treatment effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic front view of the oil filter plate and the oil receiving groove of the present invention.

In the drawings: 1-shell, 11-heating cavity, 12-first slot, 13-box door, 14-air inlet, 2-oil smoke treatment air channel, 21-air inlet, 22-air outlet, 23-front air channel, 24-rear air channel, 25-heat preservation layer, 26-fan, 3-oil smoke filtering component, 31-oil filtering component, 311-oil filtering plate, 312-oil filtering seam, 32-oil receiving groove, 33-sealing strip, 41-ultraviolet lamp and 5-ozone adsorption component.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 3, an ultraviolet lampblack removing oven comprises a housing 1, wherein a heating cavity 11, a lampblack treatment air duct 2, a lampblack filtering component 3 and a lampblack decomposing component are arranged in the housing 1.

Heating elements are arranged in the heating cavity 11 to generate heat, food is placed in the heating cavity 11 to be baked, and oil smoke generated by the food in the baking process floats in the heating cavity 11. The oil smoke processing air duct 2 and the heating cavity 11 can be separated by a partition. The oil smoke treatment air duct 2 is provided with an air inlet 21 and an air outlet 22; the air inlet 21 is communicated with the heating cavity 11, and the oil smoke in the heating cavity 11 enters the oil smoke treatment air duct 2 from the air inlet 21 and flows to the air outlet 22.

The oil smoke filtering component 3 comprises an oil filtering piece 31, the oil filtering piece 31 is arranged in the oil smoke treatment air duct 2, the oil filtering piece 31 is close to the air inlet 21, and the oil filtering piece 31 is used for filtering the oil smoke entering the oil smoke treatment air duct 2. The projection of the oil filter 31 in the airflow direction should cover the cross section of the oil fume treatment air duct 2 where the oil fume treatment air duct is located, so that all the oil fume can be filtered by the oil filter 31; the normal direction of the oil filter 31 can be parallel to the airflow direction, or form a certain included angle with the airflow direction, both of which can filter the oil smoke. Before ultraviolet decomposition, the oil smoke is filtered, so that the oil smoke can be in contact reaction with ultraviolet more, and the oil smoke removing effect is improved.

The oil smoke decomposition component comprises an ultraviolet lamp 41, the ultraviolet lamp 41 is fixedly connected with the shell 1, the ultraviolet lamp 41 is used for emitting ultraviolet rays capable of decomposing oil smoke, the ultraviolet lamp 41 is arranged in the oil smoke treatment air duct 2, and the ultraviolet lamp 41 is arranged on one side, far away from the air inlet 21, of the oil filtering piece 31. The number of the ultraviolet lamps 41 can be one or more, and the ultraviolet lamps are arranged according to the size of the selected ultraviolet lamps 41 or the actual installation requirement; a plurality of ultraviolet lamps 41 may be arranged along the extending direction of the fume treatment duct 2.

The oil smoke passes through the oil smoke filtering component 3 in the oil smoke processing air duct 2, and the oil filtering component 31 of the oil smoke filtering component 3 filters the oil smoke, so that the quantity and particle size of the oil smoke can be reduced; the filtered oil smoke passes through the oil smoke decomposition component, and the oil smoke is decomposed under the action of ultraviolet rays emitted by the ultraviolet lamp 41, so that the oil smoke content of gas exhausted from the gas outlet 22 is reduced, the oil smoke generated by the oven is reduced, and the sterilization and disinfection effects can be achieved.

In some embodiments, the air outlet 22 may be connected to the outside of the housing 1 to discharge the treated air to the outside air. An air inlet 14 for connecting air can be arranged on the housing, and the air inlet 14 is communicated with the heating cavity 11 to form circulating air flow. In other embodiments the gas outlet 22 may be in communication with the heating chamber 11 and the treated gas is discharged into the heating chamber 11 to form a circulating gas stream.

In some embodiments, the oil smoke treatment duct 2 includes a front duct 23 and a rear duct 24 disposed along a direction from the air inlet 21 to the air outlet 22, a heat insulating layer 25 is disposed on a side wall of the rear duct 24, and the oil smoke decomposition component is disposed in the front duct 23.

When working, the ultraviolet ray generates ozone which has certain harm to human body, and the content of the ozone in the exhaust gas needs to be reduced as much as possible. Ozone decomposes faster when the temperature is higher, and this technique sets up heat preservation 25 at the lateral wall in back wind channel 24, can make back wind channel 24 keep higher temperature, and the time of extension ozonolysis makes ozonolysis more abundant, and the reducible ozone content of following the gas of gas outlet 22 combustion gas reduces the harm to the human body. The insulating layer 25 may be made of insulating material such as insulating cotton disposed on the inner wall or the outer wall of the rear air duct 24. In some embodiments, the side wall of the front air duct 23 may also be provided with an insulating layer 25, so that the insulating effect is better.

In some specific embodiments, the oil filter 31 includes an oil filter plate 311, the oil filter plate 311 is connected to the casing 1, and a plurality of oil filter slits 312 are formed on the oil filter plate 311. The oil filter plate 311 may be made of stainless steel and is not prone to rust. The oil filtering slits 312 are uniformly distributed on the oil filtering plate 311, so that the oil smoke gas can be uniformly dispersed, and the decomposition effect can be improved. More than one oil filter plate 311 can be arranged, and the plurality of oil filter plates 311 are arranged at intervals along the airflow direction, so that the filtering effect can be improved; the oil filtering slits 312 on the oil filtering plates 311 can be arranged in a staggered manner, so that the contact between the airflow and the oil filtering plates 311 is increased, and the oil filtering effect is improved.

The gas with oil smoke passes through the oil filter plate 311 from the oil filter slit 312; part of the oil smoke particles are adhered to the oil filter plate 311 for condensation, so that the oil smoke amount can be reduced; part of the oil smoke passes through the oil filtering slits 312, and the edges of the oil filtering slits 312 cut larger oil smoke pairs, so that the size of the oil smoke particles passing through the oil filtering slits 312 is reduced, and the oil smoke particles are decomposed more quickly and fully.

In some embodiments, oil filter 31 may use a mesh-structured oil filter screen. The oil filter screen can filter oil smoke with larger particles, so that the oil smoke particles are decomposed more quickly and fully. The size of the filtered oil smoke particles is related to the mesh size of the oil filter screen, and the oil filter screen with the proper mesh size is selected according to the actual filtering effect.

Further, a first slot 12 is arranged on the housing 1, the first slot 12 is communicated with the oil fume treatment air duct 2, and the oil filter 31 is detachably inserted into the first slot 12. The edge of the first slot 12 or the edge of the oil filter 31 may be provided with a sealing strip 33 to prevent oil smoke from leaking from a gap between the first slot 12 and the oil filter 31. After the oil filter 31 is used for a certain time, more oil is adhered on the oil filter 31, the filtering capacity and the sanitary condition are reduced, and the oil filter 31 can be detached outwards for cleaning, so that the oil filter 31 keeps better oil filtering capacity and keeps sanitary.

In some embodiments, an oil receiving groove 32 is detachably connected to the housing 1, and the oil receiving groove 32 is disposed right below the oil filter 31. When more oil adheres to the oil filter element 31, the oil drips down into the oil receiving groove 32 to be collected, so as to prevent the oil from flowing to other places in the oven; the oil receiving groove 32 can be removed for cleaning, which is convenient for cleaning.

In some embodiments, the UV lamp 41 emits UV light at 185nm or 254 nm. The ultraviolet lamp 41 mainly comprises the following action factors for decomposing oil smoke: the ultraviolet rays have higher energy, and grease molecules are decomposed under the irradiation of the ultraviolet rays; oxygen molecules in the air can be ionized under the irradiation of ultraviolet rays to generate ozone, and the ozone has strong oxidizing property and strong clear effect on grease and smell. The ultraviolet ray with the wavelength of 185nm or 254nm has stronger energy and better decomposition effect; in addition, under the action of ozone and ultraviolet rays, water molecules generate hydroxyl radicals, and the hydroxyl radicals have strong oxidizability and can effectively decompose oil smoke organic matters.

In some embodiments, the soot decomposition component further comprises a titanium dioxide semiconductor catalyst. Under the action of titanium dioxide semiconductor and ultraviolet ray, water molecule generates hydroxyl radical, which has strong oxidability and can effectively decompose organic matter in oil fume.

Further, the ultraviolet lamp 41 is a high temperature resistant ultraviolet lamp 41. The temperature of the oven is high, the ultraviolet lamp 41 needs to operate in a high temperature environment, and the ultraviolet lamp 41 needs to be resistant to high temperature. The inner wall of the tube of the ultraviolet lamp 41 is provided with the high-temperature amalgam, which can improve the working temperature range of the ultraviolet lamp 41. The inner wall of the lamp tube is coated with a high-transmittance ultraviolet protection film, so that light attenuation can be reduced, and the light efficiency is enhanced.

Further, the outer wall of the ultraviolet lamp 41 is provided with a hydrophobic and oleophobic coating. In the using process, part of oil smoke can be adhered to the outer wall of the ultraviolet lamp 41, and the ultraviolet lamp 41 needs to be cleaned regularly to keep a good purifying effect; the outer wall of the ultraviolet lamp 41 is provided with the hydrophobic and oleophobic coating, so that the adhesion force of oil smoke can be reduced, and the oil smoke on the ultraviolet lamp 41 can be cleaned more easily and conveniently.

In some embodiments, the ultraviolet lampblack removal oven further comprises an ozone adsorption component 5, the ozone adsorption component 5 is disposed in the lampblack treatment air channel 2, the ozone adsorption component 5 is close to the air outlet 22, and the ozone adsorption component 5 is filled with an ozone adsorbent.

The ozone adsorption component 5 is arranged at a position close to the air outlet 22, and the ozone adsorbent can adsorb ozone in the air, so that the content of the ozone is further reduced. The ozone adsorbent can be active carbon or manganese dioxide, etc., and has ozone adsorbing effect.

Further, a fan 26 is further arranged in the oil smoke treatment air duct 2, the fan 26 is connected to the housing 1, and the fan 26 is used for enabling the oil smoke in the oil smoke treatment air duct 2 to flow from the air inlet 21 to the air outlet 22. The fan 26 provides power for the gas, and the fan 26 can drive the oil smoke in the heating cavity 11 to enter the oil smoke treatment air duct 2 and flow to the air outlet 22. The rotational speed of the fan 26 is adjustable, facilitating control of the flow rate of the gas.

In some embodiments, the air inlet 21 is disposed at an upper side of the heating cavity 11, and the air outlet 22 is disposed at a lower side of the housing 1. Because the oil smoke is heated and floats upwards, the oil smoke is easier to be sucked out of the heating cavity 11 by arranging the air inlet 21 at the upper side of the heating cavity 11; the air outlet 22 is arranged at the lower side of the shell 1, so that the length of the oil smoke treatment air duct 2 can be prolonged, and the treatment effect is improved. Specifically, ultraviolet deoiling cigarette oven still includes chamber door 13, and air inlet 21 locates the upside of the one side of keeping away from chamber door 13 of heating chamber 11, and preceding wind channel 23 is located the one side of keeping away from chamber door 13 of heating chamber 11, and back wind channel 24 is located the downside of heating chamber 11, and gas outlet 22 is located the one side that is close to chamber door 13, and extension oil smoke is handled wind channel 2, effectively utilizes the space of casing 1.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An ultraviolet cooking fume removing oven, comprising:

a housing, inside which a heating cavity is arranged;

2. The ultraviolet lampblack removing oven as claimed in claim 1, wherein the lampblack treatment air channel comprises a front air channel and a rear air channel which are arranged in the direction from the air inlet to the air outlet, an insulating layer is arranged on the side wall of the rear air channel, and the lampblack decomposing component is arranged in the front air channel.

3. The ultraviolet lampblack removal oven as claimed in claim 1, wherein the oil filter comprises an oil filter plate, the oil filter plate is connected with the shell, and a plurality of oil filter seams are formed in the oil filter plate.

4. The ultraviolet lampblack removing oven as claimed in claim 1, wherein a first slot is formed in the shell and is communicated with the lampblack treatment air channel, and the oil filtering piece is detachably inserted into the first slot.

5. The ultraviolet lampblack removal oven as claimed in claim 1, wherein an oil receiving groove is detachably connected to the shell, and the oil receiving groove is formed right below the oil filtering piece.

6. The ultraviolet lampblack removal oven as claimed in claim 1, wherein the ultraviolet lamp emits ultraviolet light with a wavelength of 185nm or 254 nm.

7. The ultraviolet lampblack removal oven of claim 1, wherein the outer wall of the tube of the ultraviolet lamp is provided with a hydrophobic and oleophobic coating.

8. The ultraviolet lampblack removal oven of claim 1, further comprising an ozone adsorption component disposed within the lampblack treatment air channel, the ozone adsorption component being proximate to the air outlet, the ozone adsorption component being filled with an ozone adsorbent.

9. The ultraviolet lampblack removal oven of claim 1, wherein the ozone adsorbent is activated carbon or manganese dioxide.

10. The ultraviolet lampblack removal oven as claimed in claim 1, wherein said air inlet is disposed on an upper side of said heating cavity and said air outlet is disposed on a lower side of said housing.