CN114073420A - Barbecue device of burnt is prevented roasting by no oil smoke - Google Patents

Abstract

The invention discloses a lampblack-free and scorch-preventing barbecue device, and relates to the field of food barbecue processing devices. This oven can effectively solve the problem of the oil smoke and the heat radiation of charcoal fire barbecue to operator health influence among the prior art, it is including having fuel and placing region (11) and food and placing furnace body (1) of region (12), be provided with ventilation window (111) on furnace body (1) of region (11) is placed to being close to the fuel, be provided with food window (121) on furnace body (1) of region (12) is placed to being close to the food, region (11) is placed to the fuel and food is placed region (12) whole or at least part and is crisscross, the top of region (11) is placed to the fuel is provided with the heat-conducting part, the realization is when fully keeping the flavor of fuel such as charcoal, reach the operation simpler, healthy and comfortable barbecue mode, and make thermal loss reduce and the efficiency of fuel higher.

Description

Barbecue device of burnt is prevented roasting by no oil smoke

Technical Field

The invention relates to the field of food roasting processing devices, in particular to a smoke-free and scorching-proof roasting device.

Background

Barbecue refers to the process of roasting various food products in charcoal or electric or gas heating. The household barbecue apparatuses on the market are mainly electric ovens or charcoal ovens, while gas barbecue apparatuses are generally used for commercial use. Electric ovens are well known for convenience, cleanliness and rapidness, and charcoal ovens are considered to be the most delicious way to cook food.

However, most of existing charcoal ovens are open-type, and the structure of the existing charcoal ovens mainly comprises an oven body which is of a groove structure and can stack charcoal, the side wall of the oven body is provided with a ventilating hole structure, and a net structure for placing food is erected above the groove structure. When in use, the burning charcoal fire is placed in the groove structure, the burning is kept by the ventilation of the pore structure, and then the net structure is placed and food is placed on the net structure.

Present charcoal oven exists certain drawback when using: (1) the insufficient combustion of the charcoal can generate harmful gases such as dense smoke and the like, so that the surrounding environment is polluted; (2) the food is close to the naked fire to improve the baking efficiency, but a specially-assigned person is required to operate to turn the food all the time, and an operator is close to a heat source and is influenced by the heat radiation and the smoke and harms the operator; (3) when the charcoal oven is used for barbecue, oil, seasonings and the like are required to be brushed and directly dropped into charcoal below the charcoal oven, a large amount of oil smoke influencing operators is generated, and the full combustion of the charcoal is influenced; (4) the firepower of the charcoal fire is not easy to control, so that scorching is easy to occur, or the food is not cooked after being baked for a long time; (5) after the charcoal fire is burnt, the firepower of the charcoal fire is not well controlled, and when the charcoal fire is replaced and increased, food and the net structure need to be taken out firstly, so that the food is easily polluted, and the charcoal fire is very inconvenient and low in efficiency.

Disclosure of Invention

The invention provides a barbecue device without oil smoke and capable of preventing scorching, which can solve the comprehensive problems that in the prior art, in a barbecue device with burning of charcoal fire and the like, the influence of oil smoke and heat radiation on the health of an operator is large, and scorching is easy to occur in the barbecue process.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a barbecue device that no oil smoke is prevented scorching, includes to have and encloses the furnace body that closes the appearance chamber, it places the region including fuel and food to hold the chamber, is close to be provided with the ventilation window on the furnace body that the region was placed to fuel, is close to be provided with the food window on the furnace body that the region was placed to food, the region is placed to fuel and the region is placed to food is whole or at least part looks crisscross to make the regional produced heat radiation of fuel placement place the region to food place the region, the regional top of fuel placement is provided with the heat-conducting part for it places the region to conduct the heat that rises to food.

The operating principle of the barbecue device without oil smoke and scorching is as follows: (1) barbecue food is put into a food placing area from a food window, fuel such as charcoal and the like can be placed in the fuel placing area, heat generated by the fuel placing area is horizontally radiated to the food placing area, and a ventilation window replenishes flowing air and supports combustion of the fuel; (2) the barbecue food is not in the vertical direction of the barbecue fuel, the burning naked flame and high-temperature radiation do not directly bake the food, the food is heated by utilizing the horizontal radiation of the fuel, and the high temperature formed by the radiation of the fuel in the furnace body is relied on, the food is not easy to be burnt, and the flavor of the fuel such as charcoal and the like is reserved; (3) the heat conducting part conducts the rising heat to the food placing area staggered with the rising heat, so that the combustion heat is fully utilized; (4) the furnace door of the enclosed furnace body isolates hot air flow and combustion smoke when roasting, thereby avoiding the influence of waste gas and high heat discharged by fuel on operators; (5) because the fuel placing area and the food placing area are partially or completely staggered, food oil drops only drop into the food placing area and do not drop into fuel to generate oil smoke.

In the above-mentioned grilling device, preferably, the heat conducting portion is located on an upper inner wall of the oven body in the fuel placing region, and a height of the upper inner wall of the oven body increases toward the food placing region to form heat circulation and convection to the food placing region. The working principle of the scheme is that the heated high-temperature air flows upwards and flows towards a food processing area under the action of top guide of increased height of the oven body; the air in the food processing area will sink and flow back to the fuel placement area to make full use of the fuel efficiently.

The furnace body comprises a bottom enclosing plate, a side enclosing plate and a top enclosing plate which are connected and can be enclosed to form the containing cavity, the top enclosing plate comprises a second top plate and a first top plate, the second top plate is located above the fuel containing area, the first top plate is located above the food containing area, and the second top plate is obliquely connected to the first top plate downwards. The scheme has the beneficial effects of simple structure and easy implementation.

Preferably, the barbecue device further comprises an electric heating part and a temperature measuring part, the electric heating part is arranged in the food placing area, the temperature detecting end of the temperature measuring part is arranged in the food placing area, and the temperature displaying end of the temperature measuring part is arranged outside the oven body. The scheme has the advantages that heat can be generated by the electric heating part according to the temperature condition in the oven body and used as supplement of fuel heating, a barbecuee is allowed to obtain the desired temperature, the barbecued quality is improved, and the barbecued difficulty is reduced.

Further, the electric heating portion is electrically connected with a power conditioner. The scheme has the beneficial effects that the input current of the electric heating part is adjusted through the knob, and the heating power is controlled.

Preferably, the ventilation window and the food window are arranged on the opposite side walls of the oven body in a way of being far away from each other, the food window is connected with an openable oven door, and an automatic door closer is arranged between the oven body and the oven door. The scheme has the beneficial effects that when sauce and oil are conveniently coated on the barbecue food, the oven body is automatically closed to isolate heat and preserve heat, so that the degree of simplicity and convenience in operation is improved.

Further, the automatic door closer comprises a spring, the oven door is hinged to the lower edge of the food window, one elastic end of the spring is connected to the inner wall of the oven body, and the other elastic end of the spring is connected to the inner wall of the oven door. The scheme has the beneficial effects that the oven door tends to keep a closed state due to the elasticity of the spring, and the oven door is hinged to the lower edge of the food window, so that the food is conveniently roasted.

Further, the furnace door is provided with an observation window, and the observation window is made of transparent plates. The scheme has the beneficial effect that the state of the baked food can be observed in a heat-insulating way.

In the above barbecue apparatus, preferably, the fuel rack is placed in the fuel placement area of the oven body, the fuel rack is provided with a vertically extending rack structure to prevent the fuel from falling into the food placement area, and a baffle is arranged at the inner side of the fuel placement area at the bottom of the oven body to position the fuel rack; the furnace body rear side is equipped with the opening, opening detachably is connected with the back boarding, the fuel rack can be placed to the fuel from the opening and place within the region, the ventilation window sets up on the back boarding. The fuel net rack has the beneficial effects that the fuel net rack facilitates full contact between fuel and air, and can be positioned and placed in the fuel placing area in a removable manner; at the same time, the fuel rack may prevent fuel from falling into the food processing area. The whole body is fully burnt, and the food pollution is prevented.

Preferably, the oven body is provided with a supporting member in the food placing area, and the supporting member is placed or can be used for placing the food rack. Particularly, a tray used for receiving sauce is arranged below the food net rack. The beneficial effect of the scheme is that the food net rack facilitates the flow of heat.

Compared with the prior art, the invention has the following beneficial effects:

(1) according to the invention, the food placing areas and the fuel placing areas are partially or completely staggered, and the food is baked by the radiant heat, so that the food is uniformly heated, the food is prevented from being scorched, the barbecue flavor is kept, meanwhile, the harm of the food cooked by barbecue to human bodies is reduced, and the delicious taste and health are both considered.

(2) According to the invention, the food placing areas and the fuel placing areas are partially or completely staggered and enclosed in the oven body, so that the generation of oil smoke can be avoided, the close-range radiation of combustion heat to a barbecue operator is reduced, the harm of more oil smoke sucked in the barbecue process to the body is reduced, the influence of fuel barbecue on the ambient air environment is lower when the barbecue is carried out at home, and more comfortable barbecue experience is obtained.

(3) The invention transfers heat to food through the heat conducting part instead of direct heating, reduces the risk of scorching, increases the efficiency of fuel combustion, and also promotes the unique baking flavor of fuel such as charcoal and the like to enter the food, so that the baked food is more delicious.

(4) According to the invention, the food windows and the ventilation windows at different positions are arranged, and the ventilation windows can be used as openings for adding fuel, so that the food does not need to be moved in the baking process, the food is not polluted, and the charcoal fire replacement process is simple, convenient and clean.

(5) Furthermore, the invention is also provided with an auxiliary heating part, the temperature in the oven can be controlled, the barbecue efficiency is improved by preventing the food from being burnt, and the stability of the baked food is improved; the invention also arranges the furnace body top coaming plate to conduct heat, has simple structure, easy implementation, is portable and efficient as a whole, and is suitable for family dinner gathering occasions; the invention also provides an automatically closed oven door, which reduces the complexity of the barbecue operation. The fuel placing area comprises an L-shaped fuel net rack for preventing fuel from rolling off, a detachable back panel for facilitating the placement of the fuel net rack, and a baffle for preventing the fuel net rack from sliding.

The invention will be further described with reference to the accompanying drawings.

Drawings

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

FIG. 2 is a schematic view of the present invention in a partially sectioned perspective;

FIG. 3 is a schematic side sectional view of the present invention.

The reference signs are: 1. a furnace body; 11. a fuel placement area; 111. a ventilation window; 112. a fuel net rack; 12. a food placement area; 121. a food window; 122. a support member; 123. a food rack; 124. a tray; 13. a furnace door; 131. an observation window; 14. a bottom coaming plate; 141. a baffle plate; 142. a fixing plate; 15. a top coaming plate; 151. a first top plate; 152. a second top plate; 16. side coaming plates; 17. a back panel; 2. An electric heating section; 21. a power regulator; 3. a temperature measuring part; 4. a spring; 100. roasting the food; 200. charcoal is roasted.

Detailed Description

To better illustrate the objects, technical solutions and advantages of the present invention, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 3, the barbecue device of the present invention includes a cooking stove 1 enclosing a cavity, the cavity includes a fuel placing area 11 and a food placing area 12, a ventilation window 111 is disposed on the cooking stove 1 near the fuel placing area 11, a food window 121 is disposed on the cooking stove 1 near the food placing area 12, the fuel placing area 11 and the food placing area 12 are completely or at least partially staggered, so that heat generated by the fuel placing area 11 is radiated to the food placing area 12, and a heat conducting portion is disposed above the fuel placing area 11 for conducting rising heat to the food placing area 12. According to the invention, by the arrangement characteristics of the structure of the furnace body 1, the partially or completely staggered placement position relation of food and fuel is formed, so that the food is far away from the high temperature side of the fuel combustion, and the food is formed by combined heating of radiation heating and heat conduction of the heat conduction part, thereby ensuring that the food obtains heating heat, and achieving the purposes of no oil smoke, low environmental heat radiation and scorching prevention.

Referring to fig. 3, the embodiment has a dotted line in fig. 3 as a heat flow direction, a food placing area 12 on the left side, and a fuel placing area 11 on the right side. The cavity in the furnace body 1 is composed of a fuel placing area 11 and a food placing area 12, the left side of the food placing area 12 is a food window 121, and the right side of the fuel placing area 11 is a ventilation window 111. Wherein the fuel placing area 11 and the food placing area 12 are partially staggered. The roast food 100 can be placed at each position in the vertical direction of the food placing region 12 by means of the food rack 123 or the tray 124 or the bottom of the oven body 1; the charcoal 200 can be preferably placed at various positions in the vertical direction of the fuel grilling area by means of the fuel rack 112 or the bottom of the oven body 1, etc., wherein the ventilation window 111 follows the fuel placement position. The heat conducting part facilitates heat to be conducted from the fuel placing area 11 to the food placing area 12 in the horizontal direction, and can be realized by utilizing materials and structures with high heat conduction, so that on one hand, the temperature of the heat conducting part is reduced, and the food is not easy to scorch; on the other hand, the heat conduction portion enhances the concentrated radiation of the heat generated by the combustion of the fuel to the side of the food placing area 12. In other embodiments, the fuel placement area 11 and the food placement area 12 may be completely staggered.

Referring to fig. 2, there is a partial cross-section of the top, side and front of the furnace body 1 in this embodiment to observe the inside of the furnace. The furnace body structure of the embodiment specifically has: the ventilation window 111 and the food window 121 are arranged on the opposite side walls of the oven body 1 in a way of being far away from each other, and the food window 121 is connected with an oven door 13 which can be opened and closed. Wherein the door 13 is opened and the back panel 17 is removed to receive the roast food 100 and the roast fuel. In the present embodiment, the housing is formed by a furnace body 1 comprising a bottom enclosure 14, side enclosures 16, a top enclosure 15 and a back enclosure 17. The lower end coaming 14, the left and right side coamings 16, and the upper end coaming 15 are connected by edges by welding, riveting, and the like, and are enclosed to form a through structure with openings at the front and the rear. The front end of the through structure is used as a food window 121 and is hinged with a furnace door 13; the rear end of the through structure is detachably connected with a back panel 17 through clamping grooves arranged on two sides, and an opening which is used as a ventilation window 111 is arranged on the back panel 17. Specifically, the front portions of the top wall panel 15, bottom wall panel 14 and side wall panel 16 have hems that form the food window 121. In the present embodiment, the ventilation window 111 and the food window 121 are horizontally overlapped in opposite directions. In other embodiments, the relative directions may not coincide, for example, the fuel placement area 11 and the food placement area 12 are in a left-right structure, the ventilation window 111 is located at the left side of the rear plate, and the food window 121 is located at the right side of the front plate; the enclosure structure may be a panel folded to form a pass-through structure.

Specifically for the heat conducting part structure in the oven body, referring to fig. 2, the top surrounding plate 15 includes a second top plate 152 located above the fuel placing region 11 and a first top plate 151 located above the food placing region 12, the second top plate 152 is connected to the first top plate 151 obliquely downward, and the height of the second top plate 152 gradually increases in a direction along the ventilation window 111 toward the food window 121, following and pushing the heat obliquely moving from the roast charcoal 200 toward the roast food 100. It is understood that the height of the inner wall of the upper furnace body 1 increases toward the food placing region 12 based on the upper inner wall of the furnace body 1 having the heat conducting portion at the fuel placing region 11 to form a heat circulation convection to be directed to the food placing region 12, and the second top plate 152 may have other shapes such as a curved surface or a step shape.

As to the structure of the oven door 13 in the oven body, specifically, referring to fig. 1 to 3 and viewed in perspective and section, respectively, the oven door 13 is hingedly connected to the lower edge of the food window 121, and the oven door 13 can be opened from the top down. The oven door 13 is provided with an observation window 131, and the observation window 131 is a transparent glass plate which is matched and fixed on the opening of the oven door 13. The handle is arranged outside the oven door 13 and made of heat insulating materials, so that the oven door 13 can be opened and closed conveniently. An automatic door closer is arranged between the furnace door 13 and the furnace body 1. In this embodiment, specifically, the automatic door closer is a coil spring 4, one end of the coil spring 4 is fastened to a hook fixed to the lower portion of one side of the oven door 13, and the other end of the coil spring 4 is fastened to another hook fixed to the front side of the coaming 14, so that when the oven door 13 is manually opened by a handle, an elastic force is continuously applied, and when the manual force disappears, the oven door 13 is automatically closed.

Referring to fig. 2 and 3, the top wall 15 of the side wall 16 of the present embodiment is partially cut away to show the inside in a perspective view. In this embodiment, an electric heating auxiliary oven heating component is provided, and specifically, the oven body 1 further includes an electric heating part 2 and a temperature measuring part 3. The electric heating part 2 is a U-shaped electric heating rod, which is provided at an upper portion of the food placing area 12. The temperature measuring part 3 is a mechanical thermometer, and is specifically disposed on the oven door 13, the temperature detecting end thereof is disposed in the food placing region 12, and the temperature displaying end of the temperature measuring part 3 is disposed outside the oven body 1 to detect the heating temperature of the roast food 100. The electric heating rod extends to the outside of the furnace body 1 and is electrically connected with a power regulator 21, and the output power of the electric heating rod is controlled by screwing a knob to control the magnitude of the current flowing in and out.

Referring to fig. 2 and 3, a structure for placing fuel is provided in the fuel placing region 11. Specifically, the fuel rack 112 is placed in the fuel placing area 11 of the furnace body 1, and the fuel rack 112 is a supporting structure formed by welding a plurality of horizontal and vertical support rods to barbecue charcoal 200, so that the barbecue charcoal 200 can be in full contact with air; the fuel rack 112 has a vertically extending rack structure on one side of the furnace to form an L-shaped rack structure for receiving the charcoal 200. The baffle 141 is arranged at the inner side of the fuel placing area 11 at the bottom of the furnace body 1, the baffle 141 is provided with two L-shaped plates, one end of each L-shaped plate is connected with the bottom coaming 14 in a welding mode, and the distance from the baffle 141 to the coaming is slightly larger than the width of the fuel net rack 112 so as to position the fuel net rack 112. The rear side of the furnace body 1 is provided with an opening, wherein the right ends of the bottom coaming 14 and the side coaming 16 are respectively provided with a vertically bent edge, the right end of the second top plate 152 is provided with a notch for inserting the rear coaming 17 to the side coaming 16, the right end of the furnace body 1 and the bent edge are welded with a fixed plate 142 at a set interval, and the fixed plate 142 and the bent edge clamp the fixed rear coaming 17. During the use, the breach of back panel 17 body right-hand member top, with buckle the inside wall laminating ground cartridge on edge to in furnace body 1 to fix bottom fixed plate 142 and buckle between the edge, in order to reach the structure through simple processing, realize back panel 17 detachably and connect in furnace body 1. The fuel net rack 112 can be placed into the fuel placing area 11 from the rear opening of the furnace body 1, and placed into the rear installed back panel 17, the ventilation window 111 is arranged on the back panel 17, and oxygen is supplemented into the furnace body 1 from the ventilation window 111. Obviously, the structure for placing the barbecue charcoal 200 is various.

Referring to fig. 2 and 3, the oven body 1 is provided with a supporting member 122 in the food placing area 12, specifically, the supporting member 122 is a C-shaped guide groove structure symmetrically arranged in the left and right side coamings 16, the tray 124 can be inserted into the guide groove from the food window 121, a barbecue net rack can be placed on the tray 124, and the net rack is a supporting structure formed by welding a plurality of horizontal and vertical supporting rods to barbecue charcoal 200, so that the dripping of juice and the uniformity of baking are facilitated. Obviously, the structure for placing the roast food 100 is various.

Referring to fig. 1 to 3, the working principle of the present embodiment is as follows:

(1) the rear side plate of the oven body 1 is removed and the charcoal 200 is placed on the fuel rack 112. Then installing a rear side plate; the barbecue charcoal 200 is burned on the fuel net rack 112 and is supplemented with air to support combustion through the ventilation window 111;

(2) opening the oven door 13 to put the barbecue food 100 into the food rack 123 from the food window 121 in front of the oven body 1, and automatically closing the oven door 13 after putting the barbecue food into the oven under the action of the spring 4; when barbecuing, as shown in the figure, the heat of the charcoal rises, turns and transfers from the first top plate 151 to the second top plate 152, and heats the roast food 100.

(3) When the temperature measuring part 3 is observed to find that the temperature is not high enough, the electric heating part 2 can be started to generate heat in an auxiliary way, and the barbecue food 100 is heated. The output of the electric heating unit 2 is adjusted by adjusting the knob of the power adjuster 21.

(4) The observation window 131 made of transparent glass can see the current barbecue state of the food, and the oven door 13 does not need to be opened only when the food is observed.

(5) When the food is coated with oil, the excessive part which can be brushed by opening the oven door 13 only falls to the tray 124, but does not drip burning charcoal, and does not generate oil smoke; after painting, the oven door 13 is automatically closed to continue baking.

The foregoing embodiments have been described primarily for the purposes of illustrating the general principles, and features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (10)

1. The utility model provides a barbecue device of no oil smoke prevention scorching, its characterized in that, closes furnace body (1) that holds the chamber including enclosing, hold the chamber and place region (11) and food including fuel, be close to be provided with ventilation window (111) on furnace body (1) of fuel placement region (11), be close to be provided with food window (121) on furnace body (1) of food placement region (12), fuel placement region (11) and food placement region (12) are whole or at least part looks crisscross to make the regional (11) produced heat radiation of fuel placement region place to food placement region (12), the top of fuel placement region (11) is provided with the heat-conducting part for it places region (12) to conduct the heat that rises to food.

2. The smokeless and scorching-proof barbecue device according to claim 1, wherein the heat conducting portion is located on the upper inner wall of the oven body (1) of the fuel placing region (11), and the upper inner wall of the oven body (1) has an increasing height toward the food placing region (12) to form a heat circulation and convection to be directed to the food placing region (12).

3. The smokeless and scorching-proof barbecue device according to claim 2, characterized in that the oven body (1) comprises a bottom enclosing plate (14), a side enclosing plate (16) and a top enclosing plate (15) which are connected to enclose the cavity, the top enclosing plate (15) comprises a second top plate (152) above the fuel placing region (11) and a first top plate (151) above the food placing region (12), and the second top plate (152) is connected to the first top plate (151) in a downward inclined manner.

4. The barbecue device for preventing the oil smoke and the scorch according to claim 1, wherein the oven body (1) further comprises an electric heating part (2) and a temperature measuring part (3), the electric heating part (2) is disposed in the food placing area (12), the temperature detecting end of the temperature measuring part (3) is disposed in the food placing area (12), and the temperature displaying end of the temperature measuring part (3) is disposed outside the oven body (1).

5. The smokeless and scorch-proof barbecue device according to claim 4, characterized in that the electric heating part (2) is electrically connected with a power regulator (21).

6. The barbecue device for preventing the oil smoke and the scorching according to claim 1, wherein the ventilation window (111) and the food window (121) are arranged on the opposite side walls of the oven body (1) in a way of being far away from each other, the food window (121) is connected with an oven door (13) which can be opened and closed, and an automatic door closer is arranged between the oven body (1) and the oven door (13).

7. The smokeless and scorching-proof barbecue device according to claim 6, wherein the automatic door closer comprises a spring (4), the oven door (13) is hinged to the lower edge of the food window (121), one elastic end of the spring (4) is connected to the inner wall of the oven body (1), and the other elastic end of the spring (4) is connected to the inner wall of the oven door (13).

8. The smokeless and scorch-preventing barbecue device according to claim 6, characterized in that the oven door (13) is provided with a viewing window (131), the viewing window (131) being made of transparent plate material.

9. The smokeless and scorch-preventing barbecue device according to claim 1, characterized in that a fuel rack (112) is placed on the fuel placing area (11) of the oven body (1), the fuel rack (112) is provided with a vertically extending rack structure to prevent the fuel from falling into the food placing area (12), a baffle (141) is provided at the bottom of the oven body (1) at the inner side of the fuel placing area (11) to position the fuel rack (112); the furnace body (1) rear side is equipped with the opening, opening detachably is connected with back boarding (17), fuel rack (112) can be placed to within fuel placement area (11) from the opening, ventilation window (111) set up on back boarding (17).

10. The barbecue device for preventing cooking fume and scorching according to claim 1, wherein the oven body (1) is provided with a supporting member (122) in the food placing area (12), and the supporting member (122) is placed or can be placed with a food rack (123).

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