KR100992572B1 - Device of cooking odor treatment for restaurant - Google Patents

Abstract

The present invention relates to a restaurant odor treatment system, the restaurant odor treatment system according to the present invention in the system for processing the odor generated when cooking food, the condensation of the vapor, mist and steam from the odor substance introduced in connection with the hood A first chamber to be removed after; A second chamber connected with the first chamber to remove oil droplets and suspended dust from the odorous substances introduced therein; And a third chamber in which volatile organic compounds are decomposed, adsorbed, and removed from the malodorous substance introduced in connection with the second chamber.

According to the present invention, when odorous substances and volatile organic compounds (VOCs) generated during various food cooking processes are sequentially introduced into each chamber interconnected through an duct by an exhaust blower, vapors and oil residues contained in odors are contained in the first chamber. Removal, fine dust in the second chamber combined with electrostatic and centrifugal dust collection, volatile organic compounds (VOCs) and residual odors in the third chamber equipped with a plasma generator and activated carbon filter, When operating the treatment device for odor treatment by adopting the dry method, there is no need to treat the waste water generated after being used for cleaning, and by adopting the electrostatic precipitating method, the odor air is passed through the device with low pressure loss when passing through the blower. The use of power is low.

 Restaurants, odorous substances, oil vapor, oil mist, volatile organic compounds (VOCs)

Description

Restaurant odor treatment system {DEVICE OF COOKING ODOR TREATMENT FOR RESTAURANT}

The present invention relates to a restaurant odor treatment system, and more particularly, various odorous substances (steam, odors, odorous substances, volatile organic compounds) discharged from various food cooking process through the hood to the outside after purification treatment. The present invention relates to a restaurant odor treatment system capable of addressing air quality in the city and eliminating complaints around the city, and handling odors emitted from various food cooking processes for improving an environmentally friendly city image.

In order to control odor generating substances in indoor spaces such as restaurants, the conventional methods used in Korea until now are mostly simple methods such as simple ventilation and diffusion dilution after local exhaust. Since the side is oriented in one direction, the odorous substances are concentrated and discharged at low pressure, and the odorous substances are spread to the surrounding area, which is a major complaint.

At this time, the odor-causing substance generated in the food cooking process contains oil vapor containing fine particles, and as it is transferred to the discharge duct, the vapor of fatty acid having a high boiling point is first condensed by condensation on the inner wall of the duct inlet and the wing of the discharge pan. The water vapor condenses and flows into the condensate, while the remaining steam, volatile organic compounds, volatiles, nitrogen oxides and carbon monoxide are discharged as they are. Therefore, it is necessary to take appropriate treatment for the people in the discharged surrounding area by causing its discomfort with discomfort and subsequent physical reactions (headache, nausea, vomiting).

Thus, a device and method for treating malodorous and harmful air pollutants pre- filed to remove malodors (Patent No. 2006-0107021) remove an airborne dust with a plurality of filters and oxidize the malodorous substance with ozone, followed by anion exchange fiber or alkali. The present invention discloses a method for removing organic and inorganic acid gases by installing a fiber plate filled with a crimped and filled fiber and finally removing odors and harmful air contaminants using a porous carrier such as activated carbon or zeolite. Although the removal efficiency of materials is high, there are many failures due to the combination of several devices, and it is difficult for each device to pass malodorous air. It is a facility and has the disadvantage of treating wastewater generated during odor treatment.

In addition, the technique disclosed in the liquefaction collecting device of the vapor and particulates (patent publication 2008-0014564) for the removal of odor is a simple condensation and remove the oil and particulates from the restaurant, but some of the odor can be removed, but harmful gas Is difficult to remove, so the odor remains.

Therefore, it is expected that these current control methods alone will be difficult to solve the odor-related complaints that may occur in the future, and it is necessary to rush to develop technologies by seeking more active control methods.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object thereof is to introduce odorous substances and volatile organic compounds (VOCs) generated in various food cooking processes sequentially into each chamber interconnected through an duct by an exhaust blower. When the first chamber to remove the oil vapor and oil remains in the odor, the second chamber combined with the electrostatic precipitating method and centrifugal force dust collection method to remove the fine dust, volatile organic in the third chamber equipped with a plasma generator and activated carbon filter It is to provide a restaurant odor treatment system that can remove the compounds (VOCs) and residual odors.

In addition, another object of the present invention, when operating the treatment apparatus for odor treatment by adopting a dry method, does not require the waste water treatment generated after being used for cleaning, and when the odor air is passed through the device by adopting the electrostatic precipitating method It is to provide a restaurant odor treatment system with low power consumption of the blower by passing through a low pressure loss.

In order to achieve the above object, the present invention provides a system for processing malodor generated during food cooking, comprising: a first chamber for cooling and condensing oil vapor, mist and steam from the malodorous substance introduced in connection with a hood; A second chamber connected with the first chamber to remove oil droplets and suspended dust from the odorous substances introduced therein; And a third chamber in which volatile organic compounds are decomposed, adsorbed, and removed from the malodorous substance introduced in connection with the second chamber.

In addition, the first chamber in the present invention, the cooling pipe passage provided in the interior of the first chamber and the refrigerant is circulated; And a screen provided in a lattice form close to the cooling conduit and condensed with moisture contained in the malodorous substance.

In addition, the second chamber in the present invention, the inside of the second chamber is provided with a plurality of centrifugal force dust collecting unit collected by the centrifugal force generated by the operation; A dust collector provided with an upper end exposed inside the centrifugal force dust collecting unit and collecting remains and floating dust on an inner circumferential surface thereof; And a guide vane installed at an upper end of the dust collecting container and collecting remains and floating dust among the odorous substances introduced by the centrifugal force dust collecting unit in the dust collecting container.

In addition, the second chamber in the present invention is characterized in that it further comprises a discharge induction unit for inducing a discharge to improve the dust collection efficiency by coupling the electrons to oil remains, mist and suspended dust contained in the odorous material.

In addition, the discharge induction unit in the present invention, the discharge electrode is provided in the center of the dust collector; And a high voltage generator for connecting a (-) pole to the discharge electrode and connecting a (+) pole to the dust collecting tube to generate a high voltage at the discharge electrode.

In addition, the third chamber in the present invention, the plasma generating unit is provided in the interior of the third chamber to generate a plasma to convert the odorous substances into harmless gas; And activated carbon provided above the plasma generating unit to completely react the unreacted malodorous substance with a metal catalyst.

In addition, the first and second chambers in the present invention is characterized in that the cooling pipe, the screen, the dust collector and the discharge unit by the high-pressure steam spraying to remove the droplets and dust, characterized in that further provided.

Such a restaurant odor treatment system of the present invention, if the odor substance and volatile organic compounds (VOCs) generated in various food cooking process is sequentially introduced into each chamber interconnected through the duct by the exhaust blower to the odor in the first chamber Removes oil vapor and oil deposits, removes fine dust from the second chamber combined with electrostatic and centrifugal dust collection, and volatile organic compounds (VOCs) and residuals in the third chamber with plasma generator and activated carbon filter. It is effective in removing odors.

In addition, the present invention eliminates the need for wastewater treatment after being used for cleaning when operating the treatment apparatus for odor treatment by adopting the dry method, and adopting the electrostatic precipitating method, low pressure when the odor air passes through the apparatus. Passing through the loss, the use power of the blower is low.

Hereinafter, with reference to the accompanying drawings, the restaurant odor processing system of the present invention will be described with reference to an embodiment as follows.

Restaurant odor treatment system according to an embodiment of the present invention as shown in Figure 1 includes a first chamber 200, the second chamber 300, the third chamber 400 and the washing unit 500. .

In this case, each of the first chamber 200, the second chamber 300, and the third chamber 400 may be partitioned into partitions 12 or the like in one chamber 10 so as to have an independent function and an outer casing. Since it is configured to enclose the whole by a single product 14, there is an aesthetic appearance, and may be configured to facilitate transportation and the like. (See FIG. 2)

As shown in FIGS. 1 and 3, the first chamber 200 is connected to a hood 112 and a duct 114 provided at an upper side of the cooking hole in the food cooking chamber 110. Mist and steam are removed after cooling condensation by dry cooling, and include a cooling conduit 202, a screen 204, a refrigerant cylinder 206, and a refrigerant circulation pump 208.

The cooling conduit 202 is disposed in a plurality of set intervals inside the chamber body and circulates the refrigerant stored in the refrigerant container 206 to condense moisture contained in the odorous substance introduced therein. At this time, the cooling conduit 202 preferably uses a copper pipe having a good thermal conductivity, and circulates the refrigerant by the refrigerant cylinder 206 and the refrigerant circulation pump 208 to maintain a cooling state.

The screen 204 is a type of filter having a lattice shape disposed corresponding to each of the cooling conduits 202, and condenses and condenses moisture contained in the odor material by a refrigerant circulated in the cooling conduits 202. It is preferable to use (SUS) or the like.

As shown in FIGS. 1 and 4, the second chamber 300 removes remnants and floating dusts from odorous substances introduced and connected to the first chamber 200, and has a centrifugal force dust collecting unit 302 and an outlet ( 304, a guide vane 306, and a discharge induction part 308.

The centrifugal force dust collecting unit 302 is arranged inside the chamber body and adopts a cyclone method in which an inclined tube is formed at the bottom so that fine dust, droplets, etc. are collected by the centrifugal force generated by the operation.

The discharge port 304 is provided so that the upper and the lower end is open so that the upper end is exposed to the upper side inside the centrifugal force dust collecting part 302, and the remains and floating dust are collected on the inner circumferential surface.

The guide vane 306 is installed in a state parallel to the upper surface of the discharge port 304 at the upper end of the centrifugal force dust collecting part 302 and remains among the odorous substances introduced by obtaining a rotational force by the centrifugal force dust collecting part 302. And the floating dust is collected in the centrifugal dust collector 302 and the exhaust gas is discharged to the third chamber 400 through the discharge port (304).

The discharge induction part 308 is provided by the centrifugal force dust collecting unit 302 to collect the dust using a simple centrifugal force to compensate for the low dust collection efficiency, which is provided to compensate for this, remains in the odor material contained in the chamber body To induce discharge to improve the dust collection efficiency by the electric force by giving a charge to the mist and suspended dust, and comprises a discharge electrode 310 and a high voltage generator 312.

The discharge electrode 310 is provided in the inner center of the discharge port 304, the high voltage generator 312 is provided on the outside of the chamber body to connect the negative electrode to the discharge electrode 310 and the dust collector 304 As a high voltage is generated on the discharge electrode 310 by connecting a positive electrode to the discharge electrode, the high voltage induces a strong corona discharge from the discharge electrode 310, thereby giving electric charge to the remains, mist, and floating dust contained in the odorous substance. By collecting suspended dust and droplets to maintain high dust collection efficiency.

As shown in FIGS. 1 and 5, the third chamber 400 decomposes, adsorbs, and removes volatile organic compounds (VOCs) from odorous substances introduced and connected to the second chamber 300. do.

At this time, the third chamber 400 includes a plasma generating unit 410 and activated carbon 420, the odor material through the hood 112, the first, second, third chambers (200, 300, 400) Exhaust blower 116 is connected to be sequentially exhausted ().

The plasma generating unit 410 is provided inside the chamber body to generate a plasma to convert the odorous substance into a harmless gas, which passes through the first, second chambers (200, 300), remains, suspended dust, mist When oil, steam, etc. are removed and toxic substances containing volatile organic compounds (VOCs) remain after the removal, numerous electrons contained in the plasma flame decompose harmful gases or volatile organic compounds, which cause harmless carbon dioxide ( CO2), water (H2O) and nitrogen dioxide (NO2).

In this case, the plasma generator 410 includes a plasma discharge tube 412, a plasma generating needle 414, and a high voltage high frequency oscillator 416, and the plasma discharge tube 412 is a plasma generated by passing a malodorous substance. And a two plasma generator needles 414 facing the lower portion of the plasma discharge tube 412, and the plasma generator needles 414 are high voltage high frequency oscillators provided outside the third chamber 400. 416 generates plasma while being supplied with power.

Furthermore, the high voltage high frequency oscillator 416 preferably uses a 1 kHz class, and the voltage generated at this time is preferably 20,000 volts or more and a frequency of 20 kHz or more.

The activated carbon 420 is provided on the upper side of the plasma generating unit 410 and is supported by a net or the like, and the metal catalyst is coated to completely react the unreacted malodorous substance by the metal catalyst.

On the other hand, since the plasma discharge tube 412 has a short length, the odorous substance is decomposed by being combined with plasma electron ions in the plasma discharge tube 412, and thus, since the decomposition is not efficient, the metal catalyst is disposed on the upper portion of the third chamber 400. The coated activated carbon 420 is filled.

That is, the metal catalyst of the activated carbon 420 completely reacts with the unreacted malodorous substance and makes it harmless, while simultaneously adsorbing sulfuric acid (H 2 SO 4), hydrochloric acid (HCl) and unreacted volatile organic compounds contained in the harmful gas. At this time, the metal material coated on the surface of the activated carbon 420 is preferably a metal having a high electron transition degree of zirconium (Zr), molybdenum (Mo), platinum (Pt).

The washing unit 500 is connected to the first and second chambers 200 and 300, as shown in FIGS. 1 and 6, and the cooling conduit 202 and the screen 204 of the first chamber 200, and High pressure steam is injected into the outlet 304 and the discharge electrode 310 of the second chamber 300 to intermittently remove droplets and dust, and includes a water tank 502, a heater 504, and a blower 506. It is configured by.

In this case, injection nozzles for spraying high-pressure steam are respectively provided on the upper ends of the cooling pipe passages 202, the screens 204, the discharge ports 304, and the discharge chambers 310. Is installed.

The water tank 502 stores water for washing therein, and the heater 504 is mounted inside the water tank 502 to heat water by an applied power source, and the blower 506 is steam Is forcedly blown to the first and second chambers 200 and 300.

As a result, the odorous substances discharged from the food cooking chamber contain a lot of oil, oil, and the like, and when cooled in the first chamber 200, steam is condensed and dropped and collected, while some of the cooling coils 202 and the screen 204 are collected. Since the second chamber 300 is attached to the discharge chamber 310 or the discharge port 304 to prevent dust collection, the second chamber 300 may be intermittently collected to spray the hot steam to clean the attached droplets or dust.

At this time, the steam to be used does not have to be a high pressure, and if only a slight temperature (40 ~ 60 ℃), such as oil is melted off, the washing unit 500 is equipped with a heater 504 inside the water tank (502) By heating the water to blow the steam generated inside the first chamber 200 and the second chamber 300 by the blower 506, the cooling coil 202, the screen 204, the outlet 304 and the discharge electrode ( 310) to be cleaned.

In addition, the steam blown by the washing unit 500 is blown without applying pressure so that the steam can be condensed in the first, second chambers (200, 300), the non-condensed steam is a plasma discharge tube ( In 412, since it is decomposed to OH radical, it serves to promote decomposition of volatile organic compounds (VOCs) in the activated carbon 420 layer.

Therefore, the operation sequence of the restaurant odor treatment system 100 according to the present invention is as shown in Figures 1 to 6 as follows.

First, various odorous substances (odorous substances, volatile organic compounds) discharged when cooking or cooking in the food cooking chamber 110 are forcibly exhausted by the operation of the exhaust blower 116 through the hood 112 and connected to the duct 114. Inflow into the first chamber (200).

Next, after entering the first chamber 200, the refrigerant is circulated to condense the moisture contained in the introduced malodorous substance and condensed on the screen 204 to condense oil, mist and steam from the malodorous substance. Remove

Next, the malodorous material introduced into the second chamber 300 has a plurality of Winsimb force collectors 302 for centrifugal force dust collection, and remains or floating dust is provided on the top of the centrifugal force dust collector 302. The heavy dust is attached to the inner surface of the dust collecting container 304 and collected while the light is rotated in the dust collecting container 304 while passing through the guide vane 306, and the light air is discharged through the outlet 304. Is transferred to.

At this time, the discharge induction unit 308 is installed to improve the dust collection efficiency of the centrifugal force dust collecting unit 302, which is 20,000 volts generated by the high voltage generator 312 after mounting the discharge electrode 310 in the center of the discharge port 304 The above DC high voltage (-) pole is connected to the discharge electrode 310, and (+) pole is connected to the dust collector 304 to induce a strong corona discharge from the discharge electrode 310 due to the high voltage, which is included in the odorous substance Charge the old ruins, mist and suspended dust to maintain high dust collection efficiency.

Next, the odorous substance introduced into the third chamber 400 generates a plasma by operating the plasma generator 410 to convert it into a harmless gas, which passes through the first and second chambers 200 and 300. As the remains, suspended dust, mist and vapors are removed, and toxic substances containing residual toxic gases and volatile organic compounds (VOCs) flow in, numerous electrons contained in the plasma flame decompose harmful gases or volatile organic compounds. It converts into harmless carbon dioxide (CO2), water (H2O), and nitrogen dioxide (NO2).

At this time, since the plasma discharge tube 412 of the plasma generating unit 410 has a short length, since the odorous substance is combined with plasma electron ions in the plasma discharge tube 402, the completion time of the decomposition process is short, so that efficient decomposition does not occur. When the activated carbon 420 coated with a metal catalyst is filled in the upper part of the chamber 400, the unreacted odorous substance is completely reacted with the metal catalyst to make it harmless, and sulfuric acid (H2SO4) or hydrochloric acid (HCl) and unused gas contained in harmful gas. The reaction volatile organic compounds are adsorbed and treated. Thereafter, the purified gas is discharged to the atmosphere through the exhaust blower 116.

On the other hand, the odorous substances discharged from the food cooking chamber contain a lot of remains, oil vapor, etc. When the cooling in the first chamber 200, the steam is condensed and dropped and collected, while some of the cooling coil 202 and the screen 204 Since the second chamber 300 is attached to the discharge electrode 310 or the discharge port 304 to prevent dust collection, the second chamber 300 is intermittently collected to spray the high temperature steam to clean the attached droplets or dust.

At this time, the heater 504 is mounted inside the water tank 502 to blow steam generated while warming the water to the first chamber 200 and the second chamber 300 by the blower 506 to cool the coil ( 202, the screen 204, the outlet 304, and the discharge electrode 310 are cleaned.

In the detailed description of the present invention described above with reference to the preferred embodiment of the present invention, the scope of protection of the present invention is not limited to the above embodiment, and those skilled in the art of the present invention It will be understood that various modifications and changes can be made in the present invention without departing from the spirit and scope of the invention.

1 is a schematic diagram showing a restaurant malodor treatment system of the present invention.

2 is an overall assembly view of a restaurant odor treatment system of the present invention.

3 is a configuration diagram of the first chamber according to the restaurant malodor treatment system of the present invention.

4 is a configuration diagram of a second chamber according to the restaurant malodor treatment system of the present invention.

5 is a configuration diagram of a third chamber according to the restaurant malodor treatment system of the present invention.

6 is a block diagram of a washing unit according to the restaurant odor treatment system of the present invention.

<Description of Symbols for Main Parts of Drawings>

10; Chamber 12: Partition

14: outer casing 110: food cooking chamber

112: hood 114: duct

200: first chamber 202: cooling conduit

204: screen 206: refrigerant container

208: refrigerant circulation pump 300: second chamber

302: centrifugal force dust collecting unit 304: discharge port

306: guide vane 308; Discharge induction part

310: discharge electrode 312: high pressure generating unit

400: third chamber 410: plasma generating unit

412: plasma discharge tube 414: plasma generating needle

420: activated carbon 500: washing unit

502: water tank 504: heater

506 blower

Claims (7)

In the system for processing odor generated when cooking food, It is connected to the hood and provided inside to form a cooling pipe passage in which the refrigerant circulates, and a screen that is provided in a lattice shape close to the cooling pipe path to condense and condensate moisture contained in the odor material. A first chamber for removing after cooling condensation ; A second chamber connected to the first chamber and installed in the centrifugal force dust collecting unit and the centrifugal force dust collecting unit by the centrifugal force, and the discharge chamber and guide vanes provided to expose the upper end of the second chamber to remove remnants and floating dust from the odorous substances introduced ; A third chamber in which volatile organic compounds are decomposed, adsorbed, and removed from odorous substances introduced in connection with the second chamber; And In the first and second chambers, a high pressure steam is injected into the first and second chambers by using a heater, a water tank, and a blower to be attached to the cooling conduit installed in the first chamber, the centrifugal force collector and the discharge induction part installed in the screen and the second chamber. And a washing unit for removing the collected droplets and dust by the high pressure steam . delete delete The method of claim 1, The second chamber has a restaurant odor treatment system further comprises a discharge induction unit for inducing a discharge to improve the dust collection efficiency by applying a charge to the oil, oil and suspended dust contained in the malodorous substance. The method of claim 4, wherein the discharge induction unit, A discharge electrode provided at the center of the discharge port; And And a high voltage generator for connecting a (-) pole to the discharge electrode and connecting a (+) pole to the discharge port to generate a high voltage at the discharge electrode. The method of claim 1, wherein the third chamber, A plasma generation unit provided inside the third chamber to generate a plasma to convert odorous substances into harmless gases; And And an activated carbon provided above the plasma generating unit to completely react the unreacted malodorous substance with a metal catalyst. delete

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