KR20230153726A - A ventilation device for restaurant with 3-stage filter system - Google Patents

Abstract

The present invention relates to a restaurant ventilation device used in a restaurant kitchen, and more specifically, to a restaurant ventilation device that purifies smoke, oil vapor, harmful gases, fine dust, bad odor, suspended matter, etc. generated during cooking in a restaurant and discharges them to the outside. In the device, the flow path through which smoke passes is arranged in a spiral shape to perform first-stage filtering by centrifugal force, and the smoke that has passed the first stage of filtering moves upward and passes through a non-powered filter in which a wave-patterned disk-shaped flow path is formed. Second-stage filtering is carried out, and the smoke that has passed the second-stage filtering finally passes through the third-stage cone-shaped filter, and the purified air from which smoke, oil vapor, harmful gases, fine dust, odor, and suspended matter has been removed is discharged to the outside. This relates to a ventilation system for restaurants that includes a three-stage filter system.

Description

A ventilation device for restaurant with 3-stage filter system}

The present invention relates to a restaurant ventilation device used in a restaurant kitchen, and more specifically, to a restaurant ventilation device that purifies smoke, oil vapor, harmful gases, fine dust, bad odor, suspended matter, etc. generated during cooking in a restaurant and discharges them to the outside. In the device, the flow path through which smoke passes is arranged in a spiral shape to perform first-stage filtering by centrifugal force, and the smoke that has passed the first stage of filtering moves upward and passes through a non-powered filter in which a wave-patterned disk-shaped flow path is formed. Second-stage filtering is carried out, and the smoke that has passed the second-stage filtering finally passes through the third-stage cone-shaped filter, and the purified air from which smoke, oil vapor, harmful gases, fine dust, odor, and suspended matter has been removed is discharged to the outside. This relates to a ventilation system for restaurants that includes a three-stage filter system.

Chicken, the hottest among K-Foods in the global market, is fried or cooked over charcoal grills in over 37,000 stores in Korea. During the cooking process, smoke containing odors, oil vapor, fine dust, and harmful gases is emitted, and most In restaurants, smoke containing bad odors and oil vapors is discharged through ventilation fans without filters.

If smoke, odor, fine dust, harmful gases, grease, suspended matter, etc. generated from restaurants, restaurants, factories, etc. are discharged outside without being purified, it may cause harm to passers-by and neighbors, resulting in various civil complaints or legal disputes. This can be caused.

To solve this problem, Korea Registered Utility Model No. 20-0321809 is a ventilation device used to ventilate indoor air and outdoor air, and includes a negative ion generator and a negative ion generator to purify the air, such as sterilization, when outdoor air is inhaled. A ventilation device with an air purification function consisting of an ozone generator is being disclosed.

However, the conventional technology cannot effectively remove the enormous amount of fine oil, harmful gas, fine dust, smoke, and odor generated when grilling meat or cooking fried food in small and medium-sized restaurants, and has the problem of difficulty in installation and maintenance. Have.

Korean Registered Utility Model No. 20-0321809 (July 21, 2003)

In the present invention, the flow path through which smoke passes is arranged in a spiral shape, so that first-stage filtering is performed by centrifugal force, and the smoke that has passed the first stage filtering moves upward and passes through a non-powered filter in which a wave-patterned disk-shaped flow path is formed. Step filtration is carried out, and the smoke that has passed the 2nd step filter finally passes through the 3rd step cone-shaped filter, and the purified air with smoke, oil vapor, harmful gases, fine dust, odor, and suspended matter removed is discharged to the outside. The purpose is to provide a ventilation device for restaurants that includes a stage filter system.

In addition, the present invention removes harmful gases, fine dust, odors, odors, oil vapor, floating matter, etc. generated in restaurants, restaurants, etc., and discharges the purified air to the outside, thereby preventing civil complaints and legal disputes caused by odors and odors. The purpose is to provide a ventilation device for restaurants that includes a three-stage filter system that can prevent.

In order to achieve the above-described object, a restaurant ventilation device including a three-stage filter system of the present invention,

The lower body 111, a smoke inlet 112 connected to one side of the lower body 111 through which smoke flows, and a flow path connected to the smoke inlet 112 on the inner side of the lower body 111. The lower part 110 includes a first filter means 113 that contacts and rotates clockwise and is formed downward, and an oil recovery means 114 in which oil recovered from the oil vapor is stored at the lower end of the lower body 111. );

It includes a filter body 121 coupled to the upper side of the lower body 111, and a second filter means 122 formed by stacking a plurality of bent layers having a flow path on the inside of the filter body 121. a filter unit 120; and

An outlet body 131 coupled to the upper side of the filter body 121, and a third part manufactured in a cone shape and porous inside the outlet body 131 to allow smoke to pass through. a filter means 132, a fan 133 formed on the upper side of the third filter means 132 and generating a flow of air through rotation, and a motor 134 that generates a rotational force to the fan 133. It may be configured to include a discharge unit 130.

At this time, the first filter means 113 may further include an oil vapor recovery means 113a formed as a protrusion or groove therein.

Additionally, the oil recovery means 114 may be transparent so that the inside can be viewed.

In addition, the second filter means 122 includes a smoke inlet 122a through which smoke flows, and a filter passage 122b through which smoke flowing into the smoke inlet 122a moves outward and collides with the wall of the flow path to recover oil. And, it may be formed on the outside of the second filter means 122 and may be composed of a discharge passage 122c that serves as a passage through which the oil recovered from the filter passage 122b moves downward and the gas moves upward.

Additionally, the third filter means 132 may be made of polyethylene material.

In the present invention, the flow path through which smoke passes is arranged in a spiral shape, so that first-stage filtering is performed by centrifugal force, and the smoke that has passed the first stage filtering moves upward and passes through a non-powered filter in which a wave-patterned disk-shaped flow path is formed. Step filtration is carried out, and the smoke that has passed the 2nd step filter finally passes through the 3rd step cone-shaped filter, and the purified air with smoke, oil vapor, harmful gases, fine dust, odor, and suspended matter removed is discharged to the outside. A ventilation device for a restaurant including a stage filter system can be provided.

In addition, the present invention removes harmful gases, fine dust, odor, odor, oil vapor, suspended matter, etc. generated in restaurants, restaurants, etc. through a three-stage filter system of the first filter means, the second filter means, and the third filter means. By discharging the air to the outside, civil complaints and legal disputes arising from odors and odors can be prevented in advance.

In addition, the first filter means rotates clockwise and extends downward to form a vortex, creating an effect similar to that of a vacuum cleaner's cyclone, thereby improving the oil recovery rate, and smoke generated by the fan through the formed cyclone. By assisting in the movement of smoke, the energy efficiency used to move smoke can be maximized.

In addition, through the oil vapor recovery means formed as a protrusion or groove inside the first filter means, an increased surface area can be provided compared to when it is formed with a smooth interior, thereby increasing the contact area with smoke, thereby maximizing oil recovery efficiency. can do.

In addition, the second filter means is formed by stacking a plurality of bent plates to increase the surface area in contact with smoke, thereby maximizing the removal rate of oil vapor, fine dust, and harmful gases.

1 is a perspective view of a restaurant ventilation system including a three-stage filter system of the present invention.
Figure 2 is an exploded perspective view of a restaurant ventilation system including a three-stage filter system of the present invention.
Figure 3 is a cross-sectional view taken along line A-A' of Figure 1
Figure 4 is an enlarged view of an embodiment of the second filter means of the present invention

Hereinafter, the present invention will be described in more detail with reference to the attached drawings. Prior to this, the terms or words used in this specification and claims should not be construed as limited to their usual or dictionary meanings, and the inventor should appropriately define the concept of terms in order to explain his or her invention in the best way. Based on the principle of definability, it must be interpreted with meaning and concept consistent with the technical idea of the present invention. In addition, if there is no other definition in the technical and scientific terms used, they have meanings commonly understood by those skilled in the art to which this invention pertains, and the gist of the present invention is summarized in the following description and accompanying drawings. Descriptions of known functions and configurations that may be unnecessarily obscure are omitted. The drawings introduced below are provided as examples so that the idea of the present invention can be sufficiently conveyed to those skilled in the art. Accordingly, the present invention is not limited to the drawings presented below and may be embodied in other forms. Additionally, like reference numerals refer to like elements throughout the specification. It should be noted that like elements in the drawings are represented by like symbols wherever possible.

Figure 1 is a perspective view of a ventilation device for a restaurant including a three-stage filter system of the present invention, Figure 2 is an exploded perspective view of a ventilation device for a restaurant including a three-stage filter system of the present invention, and Figure 3 is A of Figure 1. -A' is a cross-sectional view, and Figure 4 is an enlarged view of an embodiment of the second filter means of the present invention.

As shown in FIGS. 1 to 4, the restaurant ventilation device including the three-stage filter system of the present invention,

The lower body 111, a smoke inlet 112 connected to one side of the lower body 111 through which smoke flows, and a flow path connected to the smoke inlet 112 on the inner side of the lower body 111. The lower part 110 includes a first filter means 113 that contacts and rotates clockwise and is formed downward, and an oil recovery means 114 in which oil recovered from the oil vapor is stored at the lower end of the lower body 111. );

It includes a filter body 121 coupled to the upper side of the lower body 111, and a second filter means 122 formed by stacking a plurality of bent layers having a flow path on the inside of the filter body 121. a filter unit 120; and

An outlet body 131 coupled to the upper side of the filter body 121, and a third part manufactured in a cone shape and porous inside the outlet body 131 to allow smoke to pass through. a filter means 132, a fan 133 formed on the upper side of the third filter means 132 and generating a flow of air through rotation, and a motor 134 that generates a rotational force in the fan 133. It may include a discharge unit 130 including a.

To explain it more easily, as shown in FIGS. 1 to 3, smoke generated when cooking food in a restaurant, restaurant, etc. is transmitted through the smoke inlet 112 to the first filter means (111) of the lower body 111. 113).

At this time, the smoke may include oil vapor, fine dust, harmful gases, floating matter, odor, odor, etc.

The first filter means 113 rotates clockwise in contact with the inner surface of the lower body 111 and extends downward to form a vortex, thereby generating an effect like a cyclone in a vacuum cleaner and improving the oil recovery rate. You can.

In addition, the lower part 110 assists the movement of smoke generated by the first filter means 113 to the fan 133 by forming a cyclone, thereby maximizing the energy efficiency used for moving the smoke.

At this time, the first filter means 113 may further include an oil vapor recovery means 113a formed as a protrusion or groove therein.

The first filter means 113 separates oil from the smoke through a vortex formed when the smoke moves. At this time, the surface area in contact with the smoke can be increased through the oil vapor recovery means 113a formed by the protruding protrusion or groove. Oil recovery rate can be maximized.

The portion between the lower body 111 and the oil recovery means 114 is preferably formed in the shape of a funnel whose diameter decreases from the top to the bottom, and protrusions are also formed on the inner surface of the funnel to increase the surface area and move the oil. can guide you.

In addition, although the first filter means 113 is not shown, a plurality of nozzles capable of fine spraying may be formed therein. Through this, the oil recovery efficiency can be maximized by spraying an efficient liquid to recover the oil vapor in the smoke.

The oil recovery means 114 may be transparent so that the inside can be viewed. Through this, the user can separate the oil recovered in the oil recovery means 114 before it exceeds the capacity of the oil recovery means 114 and transfer it to a separate collection container for disposal.

At this time, the oil recovery means 114 may be connected to an automatic discharge means that discharges the recovered oil to the outside of the oil recovery means 114, although not shown in the drawing.

As shown in Figures 3 and 4, smoke passing through the first filter means 113 of the lower part 110 moves to the filter unit 120.

At this time, the second filter means 122 includes a smoke inlet 122a through which smoke flows, and a filter passage 122b through which smoke flowing into the smoke inlet 122a moves outward and collides with the wall of the passage to recover oil. And, it may be formed on the outside of the second filter means 122 and may be composed of a discharge passage 122c that serves as a passage through which the oil recovered from the filter passage 122b moves downward and the gas moves upward.

Smoke moving from the lower end 110 to the filter unit 120 moves into the interior of the second filter means 122 through the smoke inlet 122a.

The second filter means 122 is made up of a plurality of wavy disks stacked, and the smoke that has passed through the first filter means 113 passes through the smoke inlet 122a to the second filter means 122. After flowing into the center, it can move outward along the filter passage (122b) and then move upward along the discharge passage (122c).

The smoke flowing in through the smoke inlet (122a) moves outward along the filter passage (122b) and repeatedly collides with the wave-shaped disks existing on the upper and lower sides, and through these collisions, it forms oil vapor within the smoke. Existing oil, fine dust, harmful gases, suspended matter, etc. are recovered.

Thereafter, the smoke moves to the upper discharge part 130 through the discharge passage 122c formed at the end of the filter passage 122b, and the recovered oil moves downward to the lower end 110. It moves to the oil recovery means (114).

At this time, a flow path through which oil moves may be formed between the discharge passage 122c and the oil recovery means 114 on the lower side.

In the present invention, oil can be recovered from oil vapor of smoke and delivered to the oil recovery means 114 without connecting a separate power source in the filter unit 120. Therefore, the electricity cost that users pay for using the ventilation device can be minimized.

As shown in FIG. 3, the smoke that has passed through the filter unit 120 undergoes final filtering in the third filter means 132 of the discharge unit 130.

At this time, the third filter means 132 is manufactured in a cone shape whose width becomes narrower toward the top, and is formed in a porous shape to improve filtering efficiency by maximizing the surface area in contact with smoke.

Additionally, the third filter means 132 may be made of polyolefin material such as polyethylene or polypropylene.

The third filter means 132 can adsorb and remove oil vapor, fine dust, harmful gases, floating matter, and bad odors present in the smoke, and discharge the purified air to the outside.

Additionally, the third filter means 132 may be surface treated with a silane coupling agent containing an acrylate group, a copolymer of 2-hydroxyethyl acrylate (HEA) and 2-hydroxymethyl acrylate (HEMA).

The copolymer coated on the surface of the third filter means 132 can improve the adsorption characteristics of oil vapor, fine dust, harmful gases, suspended matter, odor, etc. present in smoke.

The acrylate group-containing silane coupling agent includes 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-methacryloxypropylmethyldiethoxysilane, and 3-methacryloxypropyltri. These include ethoxysilane, 3-acryloxypropyltrimethoxysilane, methacryloxymethyltriethoxysilane, and methacryloxymethyltrimethoxysilane.

The weight ratio of the acrylate group-containing silane coupling agent, 2-hydroxyethyl acrylate (HEA) and 2-hydroxymethyl acrylate (HEMA) is preferably 20 to 40:100:60 to 80, and the weight ratio is above. If the numerical range is satisfied, the adsorption characteristics can be maximized.

The copolymer is preferably used in an amount of 1 to 10 parts by weight based on 100 parts by weight of the third filter means (polyethylene, etc.), and when the content of the copolymer satisfies the above numerical range, the adsorption characteristics can be maximized.

In addition, the third filter means 132 is manufactured by reacting a silane coupling agent containing an acrylate group, a silane coupling agent containing an epoxy group, 2-hydroxyethyl acrylate (HEA), and 2-hydroxymethyl acrylate (HEMA). The surface can be treated with a silane coupling agent oligomer.

The silane coupling agent oligomer coated on the surface of the third filter means 132 can improve the adsorption characteristics of oil vapor, fine dust, harmful gases, suspended solids, odor, etc. present in smoke.

The weight average molecular weight of the silane coupling agent oligomer is preferably 1,000 to 50,000 g/mol.

The epoxy group-containing silane coupling agent includes 2-glycidoxyethylmethyldimethoxysilane, 2-glycidoxyethylmethyldiethoxysilane, 3-glycidoxypropylmethyldimethoxysilane, and 3-glycidoxypropylmethyldiethoxy. Silane, 2-glycidoxyethyltrimethoxysilane, 2-glycidoxyethyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-glycidoxypropyltriethoxysilane, 2-(3 ,4-Epoxycyclohexyl)ethylmethyldimethoxysilane, 2-(3,4-epoxycyclohexyl)ethylmethyldiethoxysilane, 3-(3,4-epoxycyclohexyl)propylmethyldimethoxysilane, 3-( 3,4-Epoxycyclohexyl)propylmethyldiethoxysilane, 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane, 2-(3,4-epoxycyclohexyl)ethyltriethoxysilane, 3- (3,4-epoxycyclohexyl)propyltrimethoxysilane, 3-(3,4-epoxycyclohexyl)propyltriethoxysilane, etc.

The weight ratio of the acrylate group-containing silane coupling agent, the epoxy group-containing silane coupling agent, 2-hydroxyethyl acrylate (HEA), and 2-hydroxymethyl acrylate (HEMA) is 20 to 40:100:30 to 50:10. It is preferably ~30, and when the weight ratio satisfies the above numerical range, the adsorption characteristics can be maximized.

The silane coupling agent oligomer is preferably used in 1 to 10 parts by weight per 100 parts by weight of the third filter means (polyethylene, etc.), and when the content of the silane coupling agent oligomer satisfies the above numerical range, the adsorption characteristics can be maximized. there is.

In addition, the present invention provides a control means for installing sensors such as an air flow sensor, water level measurement sensor, flow measurement sensor, and motor status check sensor at a predetermined location, and controlling the motor 134 based on the values measured from the sensors. It may further include.

Through this, when oil is recovered in the oil recovery means 114 above the limit, the user can be notified through an alarm or the oil can be removed by operating the automatic discharge means, and an air flow sensor that indicates the flow of smoke inside the ventilation device If the measured value of decreases below a certain level or a problem is identified in the operation of the motor 134, the reliability of the ventilation device can be improved by accelerating or decelerating the motor 134 and notifying the user of this.

110: lower part
111: lower body 112: smoke inlet
113: first filter means 113a: oil vapor recovery means
114: Oil recovery means
120: Filter unit
121: Filter body 122: Second filter means
122a: smoke inlet 122b: filter passage
122c: discharge path
130: discharge unit
131: Discharge body 132: Third filter means
133: fan 134: motor

Claims (4)

The lower body 111, a smoke inlet 112 connected to one side of the lower body 111 through which smoke flows, and a flow path connected to the smoke inlet 112 on the inner side of the lower body 111. The lower part 110 includes a first filter means 113 that contacts and rotates clockwise and is formed downward, and an oil recovery means 114 in which oil recovered from the oil vapor is stored at the lower end of the lower body 111. );
It includes a filter body 121 coupled to the upper side of the lower body 111, and a second filter means 122 formed by stacking a plurality of bent layers having a flow path on the inside of the filter body 121. a filter unit 120; and
An outlet body 131 coupled to the upper side of the filter body 121, and a third part manufactured in a cone shape and porous inside the outlet body 131 to allow smoke to pass through. a filter means 132, a fan 133 formed on the upper side of the third filter means 132 and generating a flow of air through rotation, and a motor 134 that generates a rotational force in the fan 133. A ventilation device for a restaurant including a three-stage filter system consisting of a discharge unit (130) including a discharge unit (130).
According to paragraph 1,
The first filter means 113 is
A ventilation device for a restaurant including a three-stage filter system, further comprising an oil vapor recovery means (113a) formed as a protrusion or groove therein.
According to paragraph 2,
The oil recovery means 114 is
A ventilation device for restaurants including a three-stage filter system that is transparent so that the inside can be seen.
According to paragraph 3,
The second filter means 122 is
A smoke inlet (122a) through which smoke flows,
A filter passage (122b) in which the smoke flowing into the smoke inlet (122a) moves outward and collides with the wall of the passage to recover oil,
3, characterized in that it is formed on the outside of the second filter means (122) and consists of a discharge passage (122c) that serves as a passage through which the oil recovered from the filter passage (122b) moves downward and the gas moves upward. Ventilation equipment for restaurants including a stage filtration system.