CN110631108A - Plate-type oil removal net - Google Patents
Plate-type oil removal net Download PDFInfo
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- CN110631108A CN110631108A CN201911025922.7A CN201911025922A CN110631108A CN 110631108 A CN110631108 A CN 110631108A CN 201911025922 A CN201911025922 A CN 201911025922A CN 110631108 A CN110631108 A CN 110631108A
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- filter plate
- oil
- plate
- filter
- channel
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a plate-type oil removing net, belonging to an oil fume filtering device.A first filter plate and a second filter plate are arranged in a filtering channel in an up-and-down stacking manner from one end of the filtering channel to the other end of the filtering channel, and are alternately arranged from one side of the filtering channel to the other side of the filtering channel, so that a circuitous oil fume flowing channel is formed between the first filter plate and the second filter plate; the second filter plate comprises a second bottom wall and two second side walls, and the two second side walls are respectively connected with two sides of the second bottom wall and are bent towards the direction close to the air outlet, so that the second filter plate forms a zigzag shape or an arc shape or a shape formed by combining the zigzag shape and the arc shape; at least one turbulence hole is formed in the second side wall, one end of the turbulence hole is communicated with the air inlet, and the other end of the turbulence hole is communicated with the oil smoke flowing channel. The air current that the vortex hole got into can let the oil smoke gas stream disturbance in the oil smoke flow channel revolve round, increases the dwell time including the oil smoke and the contact time with first filter plate and second filter plate, improves the oil strain effect.
Description
Technical Field
The invention relates to an oil fume filtering device, in particular to a plate-type oil removing net.
Background
The kitchen ventilator is also called as a range hood, and is kitchen purifying equipment for purifying cooking environment. The oil fume purifier is generally arranged above a cooking range, can rapidly pump away waste burnt in the cooking process and generated oil fume harmful to human bodies, is discharged outdoors, reduces pollution, purifies air, and has the safety guarantee effects of gas defense and explosion prevention.
The deoiling generally divide into static deoiling and developments deoiling, and the developments deoiling generally adopts the oil thrower to set up in oil smoke flow channel, and static deoiling then generally adopts the deoiling net to set up and carry out elementary deoiling to the oil smoke in the middle of the air intake, and the effect of the elementary deoiling of deoiling net has decided the oil content in the follow-up developments play exhaust air behind the oil, improves the first deoiling effect and also can reduce the burden of follow-up deoiling equipment (oil thrower, static deoiling machine).
However, in the process of filtering oil smoke by the oil removal net at present, the contact time between the oil smoke and the filter plate and the retention time of the oil smoke in the oil smoke flow channel are short, so that the oil removal efficiency and the oil removal effect are poor, the subsequent oil removal equipment needs to bear a heavier oil removal task, the energy consumption of the whole oil removal equipment is improved, and the final oil smoke filtering effect is reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a plate-type oil removal net, which can prolong the retention time of oil smoke in an oil smoke flow channel and the contact frequency of the oil smoke with a filter plate and improve the primary oil smoke filtering effect.
The purpose of the invention is realized by adopting the following technical scheme:
a plate-type oil removal net comprises a fixed frame and at least one group of oil filtering assemblies, wherein the oil filtering assemblies are arranged on the fixed frame; a filter channel for oil smoke to pass through is formed on the fixed frame in a penetrating manner, and the oil filter assembly is arranged in the fixed frame and shields the filter channel; the oil filtering assembly comprises a first filter plate and a second filter plate, the first filter plate and the second filter plate are arranged in the filtering channel in a vertically stacked mode from one end of the filtering channel to the other end of the filtering channel, and are alternately arranged from one side of the filtering channel to the other side of the filtering channel, so that a circuitous oil smoke flowing channel is formed between the first filter plate and the second filter plate; an air outlet is formed between two side edges of the first filter plate and the fixed frame or between any two adjacent first filter plates, an air inlet is formed between any two adjacent second filter plates, and the air outlet and the air inlet are communicated with the oil smoke flowing channel; the second filter plate comprises a second bottom wall and two second side walls, and the two second side walls are respectively connected with two sides of the second bottom wall and are bent towards the direction close to the air outlet, so that the second filter plate forms a zigzag shape or an arc shape or a shape formed by combining the zigzag shape and the arc shape; at least one turbulence hole is formed in the second side wall, one end of the turbulence hole is communicated with the air inlet, and the other end of the turbulence hole is communicated with the oil smoke flowing channel.
Further, the oil filter assembly comprises N first filter plates and N +1 second filter plates, wherein N is larger than or equal to 1.
Furthermore, the first filter plate comprises a first bottom wall and two first side walls, and the two first side walls are respectively connected with two sides of the first bottom wall and are bent towards the direction close to the air inlet, so that the first filter plate forms a zigzag shape or an arc shape or a shape formed by combining the zigzag shape and the arc shape.
Furthermore, a first smoke guide part with an opening arranged towards the air inlet is arranged between the two first side walls and the first bottom wall in a surrounding manner, and a second smoke guide part with an opening arranged towards the air outlet is arranged between the two second side walls and the second bottom wall in a surrounding manner; two sides of the first smoke guiding part are respectively overlapped with two adjacent second smoke guiding parts, so that the air inlet is over against the first smoke guiding part.
Furthermore, two first side walls of each first filter plate respectively extend into the second smoke guide parts of two adjacent second filter plates; the second side wall of one side of any two adjacent second filter plates opposite to each other extends into the first smoke guide part of the first filter plate between the two adjacent second filter plates; the oil smoke flow passage is formed between the first side wall and the second side wall, between the first side wall and the second bottom wall, and between the second side wall and the first bottom wall.
Further, the first filter plate and the second filter plate are both of a corrugated structure.
Furthermore, a plurality of flow disturbing holes are formed in the second side wall on one side, and are arranged at intervals along the length direction of the second side wall; the turbulent flow holes on the two second side walls of the same second filter plate are arranged in a staggered mode.
Furthermore, one of the flow disturbing holes is formed in the second side wall on one side, and the flow disturbing holes extend along the length direction of the second side wall.
Furthermore, a plurality of oil discharge holes communicated with the oil smoke flowing channel are formed in the fixed frame.
Further, the surfaces of the first filter plate and the second filter plate are coated with teflon layers.
Compared with the prior art, the invention has the beneficial effects that:
in practical use, the oil filtering assembly is fixedly arranged on an air inlet of the oil filtering equipment through the fixed frame, and oil smoke is pumped by the air pumping mechanism in the oil filtering equipment and then is filtered by the oil smoke flowing channel in the oil filtering assembly. When oil smoke passes through the air inlet of the oil filtering assembly, most of the oil smoke can directly enter the oil smoke flow channel from the air inlet and collide with the first filter plate and the second filter plate in the oil smoke flow channel to remove the oil, at least one turbulence hole is formed in the second side wall, one end of the turbulence hole is communicated with the air inlet, and the other end of the turbulence hole is communicated with the oil smoke flow channel, so that a small part of the oil smoke can enter the oil smoke flow channel from the turbulence hole in the process, the flow direction of the oil smoke in the oil smoke flow channel is disturbed, the normal flow direction of the oil smoke generates the phenomena of rotation and the like in the oil smoke flow channel, the residence time of the oil smoke in the oil smoke flow channel is slightly increased, the collision and the contact between the oil smoke and the first filter plate and the second filter plate are increased, the oil content in the oil smoke is more.
Drawings
FIG. 1 is a schematic view of the overall structure of the plate-type oil removal net of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is an enlarged view of a portion a of fig. 2.
In the figure: 10. a fixed frame; 11. a filtration channel; 12. an oil drain hole; 20. an oil filter assembly; 21. a first filter plate; 22. a second filter plate; 23. a fume flow passage; 211. an air outlet; 212. a first bottom wall; 213. a first side wall; 214. a first smoke guide part; 221. an air inlet; 222. a second bottom wall; 223. a second side wall; 224. a flow-disturbing hole; 225. and a second smoke guiding part.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
As shown in fig. 1 to 3, in order to improve the primary oil filtering effect of an oil filtering apparatus and reduce the burden of subsequent oil filtering components, the present invention provides a plate-type oil removing net, which includes a fixed frame 10 and at least one set of oil filtering assembly 20, wherein the oil filtering assembly 20 is mounted on the fixed frame 10, the fixed frame 10 can be mounted on the oil fume inlet of an external oil filtering apparatus, so that the oil filtering assembly 20 blocks the oil fume inlet of the external oil filtering apparatus, and when the external oil filtering apparatus sucks oil fume, the oil fume passes through the oil filtering assembly 20 to filter and remove oil from the oil fume. The fixed frame 10 is formed with a filter channel 11 for passing the oil smoke, and in practical use, the fixed frame 10 can be designed according to the shape of the oil smoke inlet of the external oil filtering equipment, so that the fixed frame 10 is matched and sealed with the oil smoke, and the oil smoke is prevented from being thrown into the gap of the fixed frame 10 and directly sucked into the oil filtering equipment. In this example, the fixed frame 10 is rectangular, and the oil filter assembly 20 is disposed in the fixed frame 10 and blocks the filter passage 11.
Specifically, the oil filter assembly 20 includes a first filter plate 21 and a second filter plate 22, the first filter plate 21 and the second filter plate 22 are stacked up and down in the filter passage 11 from one end of the filter passage 11 to the other end of the filter passage 11, and are alternately arranged from one side of the filter passage 11 to the other side of the filter passage 11, in this example, the first filter plate 21 is disposed on the upper portion of the second filter plate 22, and the first filter plate 21 and the second filter plate 22 are alternately disposed, so that a circuitous oil smoke flow passage 23 is formed between the first filter plate 21 and the second filter plate 22; an air outlet 211 is formed between two side edges of the first filter plate 21 and the fixed frame 10 or between any two adjacent first filter plates 21, an air inlet 221 is formed between any two adjacent second filter plates 22, and both the air outlet 211 and the air inlet 221 are communicated with the oil smoke flow channel 23.
The second filter plate 22 includes a second bottom wall 222 and two second side walls 223, the two second side walls 223 are respectively connected with two sides of the second bottom wall 222 and are bent towards the direction close to the air outlet 211, so that the second filter plate 22 forms a zigzag shape or an arc shape or a shape combining the zigzag shape and the arc shape; the second side wall 223 is formed with at least one baffle hole 224, one end of the baffle hole 224 is communicated with the air inlet 221, and the other end is communicated with the oil smoke flowing channel 23. When the oil smoke passes through the air inlet 221 of the oil filter assembly 20, most of the oil smoke will enter the oil smoke flow channel 23 directly from the air inlet 221 and collide with the first filter plate 21 and the second filter plate 22 in the oil smoke flow channel 23 to remove the oil smoke, and the second side wall 223 is provided with at least one baffle hole 224, one end of the baffle hole 224 is communicated with the air inlet 221, the other end is communicated with the oil smoke flowing channel 23, therefore, a small amount of oil smoke enters the oil smoke flow channel 23 from the turbulence holes 224 in the above process, so that the oil smoke flow direction in the oil smoke flow channel 23 is disturbed, the normal oil smoke flow direction generates the phenomena of rotation and the like in the oil smoke flow channel 23, the retention time of the oil smoke in the oil smoke flow channel 23 is slightly increased, the collision and contact between the oil smoke and the first filter plate 21 and the second filter plate 22 are increased, the oil content in the oil smoke is more fully filtered in the link, and the primary oil filtering effect is improved.
In this example, the fixing frame 10 has a bead extending in the direction of the filter passage 11, and the outer sides of the second filter plates 22 located on both sides of the filter passage 11 are fitted in the bead so that the bead can block the outer side of the second filter plates 22. And a channel which can be communicated with oil smoke is formed on the outer side of the second filter plate 22, so that the outer side part can not filter the oil smoke.
As a preferred embodiment of the above scheme, the oil filter assembly 20 comprises N first filter plates 21 and N +1 second filter plates 22, wherein N is more than or equal to 1.
Similarly, the first filter plate 21 includes a first bottom wall 212 and two first side walls 213, the two first side walls 213 are respectively connected to two sides of the first bottom wall 212 and bent toward a direction close to the air inlet 221, so that the first filter plate 21 forms a zigzag shape or an arc shape or a shape combining the zigzag shape and the arc shape, the first side wall 213 of the first filter plate 21 is bent toward the air inlet 221, and the second side wall 223 of the second filter plate 22 is bent toward the air outlet 211, so that the first filter plate 21 and the second filter plate 22 form a mutually buckled structure after assembly, and a gap is formed between the first filter plate 21 and the second filter plate 22, which forms the oil smoke flow passage 23 for oil smoke to pass through.
A first smoke guide part 214 with an opening facing the direction of the air inlet 221 is defined between the first side walls 213 and the first bottom wall 212, a second smoke guide part 225 with an opening facing the direction of the air outlet 211 is defined between the second side walls 223 and the second bottom wall 222, and included angles between the first side walls 213 and the first bottom wall 212 and between the second side walls 223 and the second bottom wall 222 are 90-130 degrees, so that the first filter plate 21 and the second filter plate 22 are both in an "Contraband" shape, and hollow parts of the first filter plate 21 and the second filter plate 22 form the first smoke guide part 214 and the second smoke guide part 225; in practical applications, the cross section of the first bottom wall 212 is horizontally arranged, so that the oil smoke entering from the air inlet 221 can be uniformly distributed to the first side walls 213 on two sides towards the two sides of the first bottom wall 212 and flows onto the second filter plate 22 through the first side walls 213 when contacting the first bottom wall 212.
The two first side walls 213 of each first filter plate 21 respectively extend into the second smoke guide parts 225 of the two adjacent second filter plates 22; the second side wall 223 on the opposite side of any two adjacent second filter plates 22 extends into the first smoke guide part 214 of the first filter plate 21 between two adjacent second filter plates 22; when oil smoke collides with the first bottom wall 212 and flows to the second smoke guide portion 225 through the first side wall 213, the second side wall 223 guides the oil smoke to flow to the second bottom wall 222 and to contact and collide with the second bottom wall 222, and the second bottom wall 222 adsorbs the oil in the oil smoke, at this time, the air flow entering the turbulent flow hole 224 destroys the normal flow direction in the oil smoke flow channel 23, so that the oil smoke flow direction is no longer regular, or the flow speed is changed when the oil smoke turns around in the oil smoke flow channel 23, so that the retention time of the oil smoke in the oil smoke flow channel 23 and the number of collisions between the oil smoke and the first and second filter plates 21 and 22 are increased, thereby improving the oil filtering effect.
In order to make the contact area between the soot and the first filter plate 21 and the second filter plate 22 wider, the first filter plate 21 and the second filter plate 22 are both of a corrugated structure.
Preferably, a plurality of baffle holes 224 are formed in the second side wall 223, and the baffle holes 224 are arranged at intervals along the length direction of the second side wall 223; the turbulence holes 224 on the two second side walls 223 of the same second filter plate 22 are arranged in a staggered manner, and the turbulence holes 224 on the two second side walls 223 are alternately arranged to enable the air flows entering the oil smoke flow channel 23 to mutually and alternately disturb the normally flowing oil smoke flow, so that the irregular flowability of the oil smoke flow in the oil smoke flow channel 23 is further improved.
As another embodiment, a spoiler hole 224 is formed in the second side wall 223 on one side, and the spoiler hole 224 extends along the length direction of the second side wall 223 to form a long hole structure, in this scheme, the entering amount of each part of the spoiler hole 224 needs to be uniformly controlled, so as to achieve the consistent spoiler effect at each position in the oil smoke flow channel 23.
In order to facilitate oil drainage, the fixed frame 10 is provided with a plurality of oil drainage holes 12 communicated with the oil smoke flow channel 23, after oil is filtered, part of oil stays on the first bottom wall 212, and the other part of oil falls on the second bottom wall 222, generally, the plate type oil removal net is inclined to the horizontal plane in the extending direction of the first filter plate 21 and the second filter plate 22, and the oil flows to the fixed frame 10 on the inclined side through the first bottom wall 212 and the second bottom wall 222 and is drained from the oil drainage holes 12, so that the oil is convenient to clean.
The surfaces of the first filter plate 21 and the second filter plate 22 are coated with Teflon layers, so that the plate-type oil removal net has certain performance of preventing light leakage, and the first filter plate 21 and the second filter plate 22 can be sprayed with coatings which are not sticky, so that the cleaning is convenient.
Through the scheme, the primary oil filtering performance of the external oil filtering equipment in practical application is improved, the burden of subsequent oil filtering parts is reduced, the energy consumption is reduced, and the oil filtering effect is improved.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A plate-type oil removal net comprises a fixed frame and at least one group of oil filtering assemblies, wherein the oil filtering assemblies are arranged on the fixed frame; the method is characterized in that:
a filter channel for oil smoke to pass through is formed on the fixed frame in a penetrating manner, and the oil filter assembly is arranged in the fixed frame and shields the filter channel;
the oil filtering assembly comprises a first filter plate and a second filter plate, the first filter plate and the second filter plate are arranged in the filtering channel in a vertically stacked mode from one end of the filtering channel to the other end of the filtering channel, and are alternately arranged from one side of the filtering channel to the other side of the filtering channel, so that a circuitous oil smoke flowing channel is formed between the first filter plate and the second filter plate; an air outlet is formed between two side edges of the first filter plate and the fixed frame or between any two adjacent first filter plates, an air inlet is formed between any two adjacent second filter plates, and the air outlet and the air inlet are communicated with the oil smoke flowing channel;
the second filter plate comprises a second bottom wall and two second side walls, and the two second side walls are respectively connected with two sides of the second bottom wall and are bent towards the direction close to the air outlet, so that the second filter plate forms a zigzag shape or an arc shape or a shape formed by combining the zigzag shape and the arc shape;
at least one turbulence hole is formed in the second side wall, one end of the turbulence hole is communicated with the air inlet, and the other end of the turbulence hole is communicated with the oil smoke flowing channel.
2. The plate-type oil removal net of claim 1, wherein: the oil filtering assembly comprises N first filter plates and N +1 second filter plates, wherein N is larger than or equal to 1.
3. The plate-type oil removal net of claim 1, wherein: the first filter plate comprises a first bottom wall and two first side walls, and the two first side walls are respectively connected with the two sides of the first bottom wall and are bent towards the direction close to the air inlet, so that the first filter plate forms a zigzag shape or an arc shape or a shape formed by combining the zigzag shape and the arc shape.
4. The plate-type oil removal net of claim 3, wherein: a first smoke guide part with an opening arranged towards the air inlet is arranged between the two first side walls and the first bottom wall in a surrounding manner, and a second smoke guide part with an opening arranged towards the air outlet is arranged between the two second side walls and the second bottom wall in a surrounding manner;
two sides of the first smoke guiding part are respectively overlapped with two adjacent second smoke guiding parts, so that the air inlet is over against the first smoke guiding part.
5. The plate-type oil removal net of claim 4, wherein: the two first side walls of each first filter plate respectively extend into the second smoke guide parts of the two adjacent second filter plates; the second side wall of one side of any two adjacent second filter plates opposite to each other extends into the first smoke guide part of the first filter plate between the two adjacent second filter plates;
the oil smoke flow passage is formed between the first side wall and the second side wall, between the first side wall and the second bottom wall, and between the second side wall and the first bottom wall.
6. The plate-type oil removal net according to any one of claims 1 to 5, wherein: the first filter plate and the second filter plate are both of a corrugated structure.
7. The plate-type oil removal net of claim 1, wherein: a plurality of flow disturbing holes are formed in the second side wall on one side, and are arranged at intervals along the length direction of the second side wall; the turbulent flow holes on the two second side walls of the same second filter plate are arranged in a staggered mode.
8. The plate-type oil removal net of claim 1, wherein: one side be equipped with on the second lateral wall one the hole is disturbed, the hole is disturbed and is followed the length direction extension setting of second lateral wall.
9. The plate-type oil removal net of claim 1, wherein: the fixed frame is provided with a plurality of oil discharge holes communicated with the oil smoke flowing channel.
10. The plate-type oil removal net of claim 1, wherein: the surfaces of the first filter plate and the second filter plate are coated with Teflon layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025922.7A CN110631108A (en) | 2019-10-25 | 2019-10-25 | Plate-type oil removal net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025922.7A CN110631108A (en) | 2019-10-25 | 2019-10-25 | Plate-type oil removal net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110631108A true CN110631108A (en) | 2019-12-31 |
Family
ID=68977840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911025922.7A Pending CN110631108A (en) | 2019-10-25 | 2019-10-25 | Plate-type oil removal net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110631108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191984A (en) * | 2017-01-12 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of filter for range hood |
-
2019
- 2019-10-25 CN CN201911025922.7A patent/CN110631108A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191984A (en) * | 2017-01-12 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of filter for range hood |
| CN107191984B (en) * | 2017-01-12 | 2023-08-18 | 宁波方太厨具有限公司 | Filter device for range hood |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191231 |
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| WD01 | Invention patent application deemed withdrawn after publication |