KR102612298B1 - Oil mist removal device - Google Patents

Abstract

The present invention relates to a device installed in a kitchen exhaust duct to remove oil vapor generated during cooking, comprising: a casing (100) having an inlet (110) and an outlet (120) to allow air to pass through; and an oil vapor filter 200 installed inside the casing 100 to filter oil vapor from the air introduced into the casing 100 through the inlet 110.

Description

Oil mist removal device}

The present invention relates to an oil vapor removal device, and more specifically, to a device installed in a kitchen exhaust duct to remove oil vapor generated during cooking.

Patent document 001 includes a pipe having an inlet on one side and an outlet on the other side, and including a plurality of sub-pipes connected and communicating in a zigzag manner; a spiral blade coupled to the inside of the sub-pipe along the longitudinal direction, free from pores and mesh, made of a thermally conductive material, and having a thickness of 1 to 3 ㎛; a blade support that supports the spiral blade and is selectively heated to melt and separate the condensed and adsorbed oil; An upper cap coupled to the blade support on one side and coupled to the top of the sub-piping on the other side; An oil discharge cap coupled to the lower end of the sub-pipe; an oil recovery tray located below the oil discharge cap; An oil vapor oil removal device including a cooling unit that cools the pipe is proposed.

Patent Document 002 includes an intake unit through which external gas is sucked into the interior; A collection part connected to one side of the suction part and collecting oil vapor contained in the gas flowing along the inside of the suction part; And a discharge part connected to the other side of the collection unit where the suction unit is installed, through which the gas passing through the collection unit is discharged, wherein the collection unit is installed inside the collection unit, and when the gas collides with the gas, the gas is discharged. A collection device for collecting the oil vapor contained in the gas, and the collection device includes blades for collecting oil vapor installed side by side at regular intervals in the collection device, and the blades for collecting the oil vapor contained in the gas. A blade for guiding the swirling flow that collects the oil vapor; A blade inlet portion installed at the tip of the blade for guiding the swirling flow and guiding the direction in which the gas flows into the blade for collecting oil vapor; A secondary oil vapor impact collection blade installed at the tail end of the swirling flow guiding blade to guide the direction in which the gas is discharged to the discharge portion; And a primary oil vapor impact collection blade protruding from one side of the swirling flow inducing blade, wherein an end of the primary oil vapor impact collection blade is bent forward where the gas flows into the oil vapor collection blade, An oil vapor collection system is proposed that can more effectively capture the oil vapor contained in the gas by causing interference with the flow of the gas.

Patent Document 003 refers to the main body; and a ventilation device, wherein the ventilation device includes: a ventilation device body including an intake port configured to suck in air containing oil vapor generated during a cooking process using a heating device; a blower that blows air sucked through the intake port; and an oil vapor collection device disposed inside the ventilator body and filtering oil vapor from the sucked air so that the oil vapor is removed from the sucked air.

Patent Document 004 states that an inlet and an outlet through which the exhaust gas of the cooking utensil flows are formed, and oil vapor and fine dust from the kitchen exhaust gas discharged from the hood of the kitchen utensil are removed with a water filter to discharge purified air. With the purification department; a water tank that supplies water to the water filter and recovers the supplied water after it is sprayed; An oil vapor and fine dust removal device connected to a hood is proposed, comprising a pump for circulating the water.

KR 10-2310581 B1 (registration date October 1, 2021) KR 10-2023-0048680 A (Publication date April 12, 2023) KR 10-2022-0133821 A (Publication date October 5, 2022) KR 10-2512041 B1 (registration date March 15, 2023)

The present invention can be installed in the exhaust duct of a kitchen to prevent air pollution by removing oil vapor generated during cooking. In particular, when a total heat exchanger is installed on the exhaust duct of the kitchen, clean air from which oil vapor has been removed is supplied to the total heat exchanger. The purpose is to provide an oil vapor removal device that can prevent malfunction and performance degradation of the total heat exchanger.

In order to solve the above problems, an oil vapor removal device according to an embodiment of the present invention includes a casing having an inlet and an outlet for air to pass through; and an oil vapor filter installed inside the casing to filter oil vapor from air introduced into the casing through the inlet.

In the oil vapor removal device of the present invention, the oil vapor filter is formed in a circular shape and is rotatably installed, and further includes a filter regeneration motor that is connected to the oil vapor filter and rotates the oil vapor filter to separate the oil attached to the oil vapor filter.

In the oil vapor removal device of the present invention, a collection tank is installed below the oil vapor filter to collect the oil separated from the oil vapor filter.

In the oil vapor removal device of the present invention, the interior of the casing is divided into a first space and a second space by a partition, and the oil vapor filter and the filter regeneration motor are provided in two each, so that the first space and the second space are provided. Each is installed at the front end of the partition, and a front damper is installed at the front end of the partition to switch which of the first space part and the second space part is connected to the inlet by a rotational motion, and at the rear end of the partition wall is a rotary motion. A rear damper is installed to switch between the first space and the second space connected to the outlet.

The oil vapor removal device of the present invention includes a first atmospheric pressure measurement sensor installed on the inlet side of the casing; A second atmospheric pressure measurement sensor installed on the outlet side of the casing; and a control unit connected to the filter regeneration motor, the first air pressure measurement sensor, and the second air pressure measurement sensor to control the operation of the filter regeneration motor according to the pressure difference measured by the first air pressure measurement sensor and the second air pressure measurement sensor. Includes more.

In the oil vapor removal device of the present invention, the oil vapor filter includes a plurality of mesh networks arranged in the front and rear directions; A boss formed at the center of each mesh network; A rim formed to surround an edge of each mesh network; and an oil discharge port formed through an outer periphery of the rim through which the oil separated from each mesh network is discharged to the outside.

In the oil vapor removal device of the present invention, a heating unit for heating the oil vapor filter is installed inside the casing.

The oil vapor removal device of the present invention is installed in the exhaust duct of the kitchen to prevent air pollution by removing oil vapor generated during cooking. In particular, when a heat exchanger is installed on the exhaust duct of the kitchen, the clean air from which the oil vapor has been removed is used as heat. By supplying it to the exchanger, there is an effect of preventing breakdown and performance degradation of the total heat exchanger.

1 is a cross-sectional configuration diagram of an oil vapor removal device according to an embodiment of the present invention.
Figure 2 is a cross-sectional view showing the oil vapor removal device according to an embodiment of the present invention equipped with a filter regeneration motor, a water collection pipe, an oil collection guide, a drain pipe, a valve, a water level sensor, a control unit, and a heating unit.
Figure 3 is a cross-sectional configuration showing a state in which the oil vapor removal device according to an embodiment of the present invention is equipped with a partition, a front damper, and a rear damper.
Figure 4 is a cross-sectional configuration showing a state in which the oil vapor removal device according to an embodiment of the present invention is equipped with a first atmospheric pressure measurement sensor, a second atmospheric pressure measurement sensor, and a control unit.
Figure 5 is a cross-sectional configuration diagram of an oil vapor filter in an oil vapor removal device according to an embodiment of the present invention.
Figure 6 is a cross-sectional configuration diagram showing another embodiment of an oil vapor filter in an oil vapor removal device according to an embodiment of the present invention.
Figure 7 is a cross-sectional configuration showing a state in which the filter regeneration motor is installed on the outside of the casing in the oil vapor removal device according to an embodiment of the present invention.
Figure 8 is a cross-sectional configuration showing a state in which the oil vapor removal device according to an embodiment of the present invention is equipped with a heating portion made of a hot wire.
Figure 9 is a cross-sectional configuration showing a state in which the heating part is provided integrally with the oil vapor filter in the oil vapor removal device according to an embodiment of the present invention.
Figure 10 is a cross-sectional configuration showing a state in which the oil vapor removal device according to an embodiment of the present invention is equipped with a duct, a heater, a louver damper, and a wind direction control motor.

Hereinafter, the most preferred embodiments of the present invention will be described in detail in order to enable those skilled in the art to easily practice the present invention.

Numbers cited in the examples below are not limited to the objects of citation and can be applied to all examples. An object that has the same purpose and effect as the configuration presented in the examples is an equivalent replacement object. The high-level concept presented in the examples includes low-level concept objects that are not described.

[Example 1-1] As shown in FIG. 1, the oil vapor removal device of the present invention includes a casing 100 having an inlet 110 and an outlet 120 to allow air to pass through; and an oil vapor filter 200 installed inside the casing 100 to filter oil vapor from the air introduced into the casing 100 through the inlet 110.

The casing 100 may be configured in a rectangular box or cylindrical shape. The casing 100 is installed in the exhaust duct of the kitchen. At this time, the inlet 110 of the casing 100 may be connected to the exhaust hood of the kitchen, and the outlet 120 may be connected to a total heat exchanger.

The oil vapor filter 200 may be configured in the same manner as a demister. That is, the oil vapor filter 200 may be configured to filter oil vapor contained in the air by having a structure in which several layers of mesh are stacked.

[Example 1-2] In Example 1-1, the oil vapor removal device of the present invention further includes a dehumidifying unit 300 installed inside the casing 100 to be disposed behind the oil vapor filter 200. do.

The dehumidifier 300 removes moisture from the air that has passed through the oil vapor filter 200, and various methods such as a known chemical dehumidification method and a condensation type dehumidification method can be selectively applied.

[Example 2-1] In the oil vapor removal device of the present invention in Example 1-1, as shown in FIG. 2, the oil vapor filter 200 is formed in a circular shape and is rotatably installed, and the oil vapor filter 200 ) and further includes a filter regeneration motor 400 that rotates the oil vapor filter 200 to separate the oil attached to the oil vapor filter 200.

The filter regeneration motor 400 rotates the oil vapor filter 200 so that the oil attached to the oil vapor filter 200 can be separated by centrifugal force, thereby facilitating the repair of the oil vapor filter whose performance has been deteriorated due to the oil attached. Make it playable and usable.

[Example 3-1] In the oil vapor removal device of the present invention in Example 2-1, a collection tank 500 is installed below the oil vapor filter 200 to collect oil separated from the oil vapor filter 200. do.

[Example 3-2] In Example 3-1, the oil vapor removal device of the present invention is configured to surround the edge of the oil vapor filter 200 inside the casing 100 to separate it from the oil vapor filter 200. An oil collection guide 600 is installed to guide the collected oil into the distribution tank 500.

The oil collection guide 600 is configured in a ring shape with an approximately 'ㄷ'-shaped cross section, so that it receives the oil scattered to the outside of the oil vapor filter 200 and flows it into the distribution tank installed below.

[Example 3-3] In Example 3-1, the oil vapor removal device of the present invention includes a drain pipe 700 installed at the bottom of the distribution pipe 500; A valve 800 installed in the drain pipe 700; A water level sensor (900) installed in the collection tank (500) to detect the height of oil; and a control unit 1000 connected to the valve 800 and the water level sensor 900 to control the operation of the valve 800 according to a signal from the water level sensor 900.

Here, the drain pipe 700 is configured to allow oil to flow into a separately provided waste oil storage container.

According to the above configuration, when a certain amount of oil accumulates in the distribution tank 500, the water level sensor 900 detects this and opens the drain pipe 700, so that the distribution tank 500 can be automatically emptied. there is.

Meanwhile, the control unit 1000 may, as necessary, use the filter regeneration motor 400, a front damper 1100 to be described later, a rear damper 1200, a first air pressure measurement sensor 1300, and a second air pressure measurement sensor 1400. , can be connected to the heating unit 1600 and the wind direction control motor 2000 to control their operations.

[Example 4-1] In the oil vapor removal device of the present invention in Example 2-1, as shown in FIG. 3, the inside of the casing 100 is divided into a first space 140 by a partition wall 130. and a second space 150, and two oil vapor filters 200 and two filter regeneration motors 400 are installed in the first space 140 and the second space 150, respectively. At the front end of the partition wall 130, a front damper 1100 is installed to switch which of the first space part 140 and the second space part 150 is connected to the inlet 110 by a rotating operation. , A rear damper 1200 is installed at the rear end of the partition wall 130 to switch which of the first space part 140 and the second space part 150 is connected to the outlet 120 by a rotating operation. .

According to the above configuration, the front damper 1100 and the rear damper 1200 are operated to switch the place through which air passes between the first space 140 and the second space 150, Filtering and regeneration operations can be performed alternately by the oil vapor filter 200 installed in the space 140 and the oil vapor filter 200 installed in the second space 150.

That is, when regeneration work is required for the oil vapor filter 200 installed in the first space 140, the front damper 1100 and the rear damper 1200 are operated to open the inlet 110 and outlet of the casing 100 ( 120, the first space 140 is blocked and the second space 150 is opened, and the filter regeneration motor 400 installed in the first space 140 is operated to regenerate the first space 140. The installed oil vapor filter 200 can perform regeneration work, and the oil vapor filter 200 installed in the second space 150 can perform filtering work.

And when the regeneration work of the oil vapor filter 200 installed in the first space 140 is completed and the regeneration work of the oil vapor filter 200 installed in the second space 150 is required, the front damper 1100 and the rear damper 1100 The damper 1200 is operated to block the second space 150 from the inlet 110 and outlet 120 of the casing 100 and open the first space 140, but the second space 150 By operating the filter regeneration motor 400 installed in the oil vapor filter 200 installed in the second space 150, the oil vapor filter 200 installed in the first space 150 performs a regeneration operation, and the oil vapor filter 200 installed in the first space 140 performs a filtering operation. It can be done.

[Example 5-1] In Example 2-1, the oil vapor removal device of the present invention includes a first atmospheric pressure measurement sensor 1300 installed on the inlet 110 side of the casing 100, as shown in FIG. 4. ; A second atmospheric pressure measurement sensor 1400 installed on the outlet 120 side of the casing 100; And it is connected to the filter regeneration motor 400, the first barometric pressure measurement sensor 1300, and the second barometric pressure measurement sensor 1400, and the measured data is measured by the first barometric pressure measurement sensor 1300 and the second barometric pressure measurement sensor 1400. It further includes a control unit 1000 that controls the operation of the filter regeneration motor 400 according to the pressure difference.

According to the above configuration, the pressure loss due to the oil vapor filter 200 can be measured using the pressure difference measured by the first barometric pressure measurement sensor 1300 and the second barometric pressure measurement sensor 1400, and this pressure When the loss value exceeds the set value, the control unit 1000 can automatically regenerate the oil vapor filter 200 by operating the filter regeneration motor 400.

That is, when a lot of oil adheres to the oil vapor filter 200 and the filtering performance deteriorates, the control unit 1000 recognizes this and automatically proceeds with the regeneration of the oil vapor filter 200 to facilitate the oil vapor filter 200. It can be managed properly.

[Example 6-1] In the oil vapor removal device of the present invention in Example 2-1, as shown in FIG. 5, the oil vapor filter 200 includes a plurality of mesh networks 210 arranged in the front-back direction; A boss 220 formed at the center of each mesh network 210; A rim 230 formed to surround the edge of each mesh network 210; and an oil outlet 240 formed through the outer periphery of the rim 230 to discharge the oil separated from each mesh network 210 to the outside.

Each of the mesh networks 210 may have the same or different thickness. Additionally, each mesh network 210 may be installed to overlap each other in close contact or may be installed to be spaced apart from each other. When each mesh network 210 is installed to be spaced apart from each other, the spacing of each mesh network 210 may be the same or different.

The boss 220 supports the inner edge of each mesh network 210. The boss 220 is connected to the filter regeneration motor 400.

The rim 230 supports the outer edge of each mesh network 210. The rim 230 allows oil separated from each mesh network 210 to collect in the center of the rim 230.

The oil discharge port 240 allows the oil collected in the center of the rim 230 to be discharged at a certain location without spreading back and forth. A plurality of oil discharge ports 240 may be formed along the outer periphery of the rim 230.

[Example 6-2] In the oil vapor removal device of the present invention in Example 6-1, as shown in FIG. 6, each mesh network 210 has an inner periphery in contact with the boss 220 and an outer periphery. A large mesh network (210A) formed to contact the rim (230); A small mesh network (210B) whose inner periphery is in contact with the boss 220 and whose outer periphery is spaced apart from the inside of the rim 230; and a circular mesh network (210C) whose inner periphery is spaced apart from the boss 220 and whose outer periphery is in contact with the rim 230.

According to the above configuration, the large mesh network (210A), the small mesh network (210B), and the circular mesh network (210C) are combined in various orders, and each mesh network (210A) (210B) (210C) is maintained at a certain level. By arranging them at intervals, an air passage 260 can be formed between the mesh networks 210A, 210B, and 210C. According to this, part of the air passing through the oil vapor filter 200 passes through each of the mesh nets 210A, 210B, and 210C, and the other part passes through the air passage 260, thereby forming the oil vapor filter ( Oil vapor filtering performance can be improved by increasing the residence time of air passing through 200).

[Example 6-3] In the oil vapor removal device of the present invention in Example 6-1, the filter regeneration motor 400 is disposed at the rear of the oil vapor filter 200 and connected to the boss 220.

According to the above configuration, the filter regeneration motor 400 can be easily installed, making it easy to manufacture the device.

[Example 6-4] In the oil vapor removal device of the present invention in Example 6-1, as shown in FIG. 7, the filter regeneration motor 400 is disposed outside the casing 100, and the rim A locking groove 250 is formed on the outer periphery of 230, into which a belt 1500 for connecting the filter regeneration motor 400 and the oil vapor filter 200 is caught.

According to the above configuration, the filter regeneration motor 400 is disposed outside the casing 100, thereby preventing contamination and failure of the filter regeneration motor 400 due to oil vapor and dust contained in the air.

[Example 7-1] In Example 2-1, the oil vapor removal device of the present invention includes the oil vapor filter 200 inside the casing 100, as shown in FIGS. 2 to 4 and FIG. 7. A heating unit 1600 for heating is installed.

The heating unit 1600 heats the oil vapor filter 200 to facilitate the flow of oil attached to the oil vapor filter 200, thereby allowing the oil to be smoothly separated by rotation of the oil vapor filter 200.

[Example 7-2] In the oil vapor removal device of the present invention in Example 7-1, the heating unit 1600 is composed of a hot air blower that applies high temperature wind to the oil vapor filter 200.

[Example 7-3] In the oil vapor removal device of the present invention in Example 7-2, the heater is installed rotatably so that the direction of the wind can be changed.

[Example 7-4] In the oil vapor removal device of the present invention in Example 7-1, as shown in FIG. 8, the heating unit 1600 is composed of a heating wire installed on the oil vapor filter 200.

The heating wire is installed to rotate together with the oil vapor filter 200, and an end of the heating wire is connected to a power line by a slip ring, so that power for heat generation can be supplied.

[Example 7-5] In the oil vapor removal device of the present invention in Example 7-4, as shown in FIG. 9, the oil vapor filter 200 includes a plurality of mesh networks 210 arranged in the front and rear directions. And the mesh network 210 includes a main body 211 composed of the heating wire; and a coating layer 212 made of polytetrafluoroethylene and formed to surround the main body 211. By including a, the heating unit 1600 is integrated with the oil vapor filter 200.

According to the above configuration, the entire mesh network 210 can be heated by the main body 211 made of a heating wire, and the oil attached to the mesh network 210 by the coating layer 212 made of polytetrafluoroethylene can be removed. This can be separated more smoothly.

[Example 8-1] In Example 2-1, the oil vapor removal device of the present invention includes a duct 1700 installed to communicate with the inside of the casing 100, as shown in FIG. 10; A heater 1800 installed inside the duct 1700 to apply high-temperature wind to the inside of the casing 100; It is installed at the connection portion of the casing 100 and the duct 1700, and opens and closes the duct 1700 by means of a plurality of opening and closing plates 1910 that rotate in conjunction with each other, and also controls the flow of wind discharged from the duct 1700. Louver damper (1900) that controls direction; And it further includes a wind direction control motor 2000 that is connected to the opening and closing plate 1910 of the louver damper 1900 and rotates the opening and closing plate 1910.

According to the above configuration, the heater 1800 for heating the oil vapor filter 200 is disposed outside the casing 100, thereby smoothing the air flow inside the casing 100 and preventing contamination of the heater 1800. It is possible to prevent malfunctions caused by

In addition, by adjusting the angle of the opening and closing plate 1910 of the louver damper 1900 using the wind direction control motor 2000, the high temperature wind discharged from the duct 1700 by the hot air blower 1800 is converted into oil vapor. It can be evenly applied to the filter 200.

100: Casing 110: Inlet
120: Exit 130: Bulkhead
140: first space part 150: second space part
200: Oil vapor filter 210: Mesh net
211: body 212: coating layer
220: Boss 230: Rim
240: oil outlet 250: catch groove
260: air passage 300: dehumidification unit
400: Filter regeneration motor 500: Collection distribution
600: Oil collection guide 700: Drain piping
800: Valve 900: Water level sensor
1000: Control unit 1100: Front damper
1200: Rear damper 1300: First atmospheric pressure measurement sensor
1400: Second atmospheric pressure measurement sensor 1500: Belt
1600: heating unit 1700: duct
1800: Heater 1900: Louver damper
1910: Opening/closing plate 2000: Wind direction control motor

Claims (7)

A casing (100) having an inlet (110) and an outlet (120) to allow air to pass through; and
It includes an oil vapor filter 200 installed inside the casing 100 to filter oil vapor from the air introduced into the casing 100 through the inlet 110,
The oil vapor filter 200 is formed in a circular shape and is rotatably installed,
It further includes a filter regeneration motor 400 that is connected to the oil vapor filter 200 and rotates the oil vapor filter 200 to separate the oil attached to the oil vapor filter 200,
The oil vapor filter 200,
A plurality of mesh networks 210 arranged in the front-to-back direction;
A boss 220 formed at the center of each mesh network 210;
A rim 230 formed to surround the edge of each mesh network 210; and
It includes an oil outlet 240 formed through the outer periphery of the rim 230 to allow the oil separated from each mesh network 210 to be discharged to the outside,
The plurality of mesh networks 210 are formed to be spaced apart from each other in the front and rear directions of the casing 100.
delete According to paragraph 1,
An oil vapor removal device installed on the lower side of the oil vapor filter (200) is a distribution tank (500) that collects oil separated from the oil vapor filter (200).
According to paragraph 1,
The interior of the casing 100 is divided into a first space 140 and a second space 150 by a partition wall 130,
The oil vapor filter 200 and the filter regeneration motor 400 are provided in two pieces and installed in the first space 140 and the second space 150, respectively,
A front damper 1100 is installed at the front end of the partition wall 130 to switch which of the first space part 140 and the second space part 150 is connected to the inlet 110 through a rotational motion,
At the rear end of the partition 130, a rear damper 1200 is installed to switch which of the first space 140 and the second space 150 is connected to the outlet 120 through a rotating operation to remove oil vapor. Device.
According to paragraph 1,
A first atmospheric pressure measurement sensor 1300 installed at the inlet 110 of the casing 100;
A second atmospheric pressure measurement sensor 1400 installed on the outlet 120 side of the casing 100; and
The pressure measured by the filter regeneration motor 400, the first barometric pressure measurement sensor 1300, and the second barometric pressure measurement sensor 1400 is connected to the first barometric pressure measurement sensor 1300 and the second barometric pressure measurement sensor 1400. An oil vapor removal device further comprising a control unit 1000 that controls the operation of the filter regeneration motor 400 depending on the vehicle.
delete According to paragraph 1,
An oil vapor removal device in which a heating unit 1600 for heating the oil vapor filter 200 is installed inside the casing 100.