JPH05329058A - Smokeless roaster - Google Patents

Abstract

PURPOSE:To prevent the liberation of baking smoke, oil particles, and odor, by installing an adsorptive filter having zeolite attached or mixed, inside a centralized processing box installed at the top edge of a main duct installed on a roaster body. CONSTITUTION:The cooking part 3 of a roaster 1 is opened at the near center of a table 2, and an inner box 5 into which a roaster screen 4 is accommodated is installed. An outer box 7 is installed on the outside of the inner box 5, and a flow passage 6 for baking smoke is formed. The baking smoke flows to a connecting box 9 under the floor, passing through an exhaust part 8 and a tube 10, and converges with the baking smoke of other roaster, and is sucked by a fan 12, passing through a duct 11. The sucked baking smoke flows from the inflow port 18 of an adsorbing box 17 in a centralized processing box 16, and is discharged from an exhaust fan 23 through the adsorbing filters 19, 19a,... having zeolite attached or mixed. Chemicals are supplied from a feeding port 26. Accordingly, the generation and discharge of baking smoke, oil particles, and odor are prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a smokeless roaster of a collective exhaust type (duct type) that purifies exhaust gas generated during grilled meat dishes and exhausts it to the outside.

[0002]

2. Description of the Related Art Conventionally, an exhaust duct for suction, which is separately arranged under the floor, is connected to the exhaust section of a roaster body,
In the concentrated duct system in which exhaust gas such as burning smoke is exhausted to the outside through the exhaust duct, burning smoke, oil particles, etc. can be effectively exhausted to the outside, but most of the exhaust gas is purified during such exhaust. Not done, and partly done was using filters and electrostatic precipitators.

However, the filter has smoke, odor,
There is a limit to the fine particles and it is particularly vulnerable to clogging by oil particles, and the electrostatic precipitator has a drawback that odor, oil particles smaller than about 0.1 μm, and dust cannot be completely removed.

[0004]

DISCLOSURE OF THE INVENTION The present invention provides a smokeless roaster capable of removing harmful components and deodorizing 100% when exhaust gas generated during grilled meat is exhausted to the outside through a duct. Is.

[0005]

SUMMARY OF THE INVENTION In view of the problem of incomplete removal of burning smoke, oil particles, odors and other harmful components in exhaust gas based on the above-mentioned prior art, the present invention is directed to concentrating the tip of the main duct. By providing an adsorption filter in which zeolite is adhered or mixed in the treatment box or by arranging and storing the zeolite particles in the central treatment box, it is possible to eliminate harmful components in the zeolite or zeolite particles of the adsorption filter.
The above problem is solved by adsorbing%.

[0006]

In the present invention, due to the removal action of the adsorption filter itself and the adsorption action of the zeolite of the adsorption filter or the zeolite particles of the adsorption space, the burning smoke and the oil particles are about 100.
%, The majority of the odorous components are also adsorbed, and the purified exhaust gas is completely deodorized when it flows through the deodorization box and is exhausted to the outside.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1, 1a ... Are roaster main bodies, and a cooking section 3 is opened at a substantially central position of a table 2 of the roaster main bodies 1, 1a. In addition, the exhaust unit 8 has a double structure of an inner box 5 having the roster 4 housed therein and an outer box 7 having a suction flow path 6 between the inner box 5 and the suction box which is sucked by a suction device to be described later. In addition, the roaster body 1, 1a ... Is a roaster such as a combined type of grilled meat and pan or a dedicated type of grilled meat.

Reference numeral 9 denotes a connecting box installed under the floor in the store, and an exhaust portion 8 is provided on the upper surface of the connecting box 9 via a tube 10.
And a duct 11 projecting from the side surface of the duct.
11 has a built-in fan or damper 12, and the attachment position of the fan or damper 12 is not limited to the duct 11, and may be attached to the exhaust portion 8 or the tube 10 of the roaster body 1, 1a.

On the other hand, a main duct 13 is arranged under the floor in the store, one end of the main duct 13 projects to the outside, a main fan 14 (central exhaust fan) is connected, and the main duct 13 is connected to the base end side. Are connected to the ducts 11 of the roaster bodies 1, 1a ... Through a branch box 15.

Reference numeral 16 denotes a centralized processing box disposed at the front end of the main duct 13 and in front of the main fan 14. An inlet 18 communicating with the adsorption box 17 is provided on one side of the centralized processing box 16, and the adsorption box is also provided. An adsorption filter 19, 19a, ... having a generally cylindrical overall shape is housed in the inside of 17 in the direction perpendicular to the flow path from the inflow port 18, and the central tubular portion 20, 20a ... of the adsorption filter 19, 19a ... An odor eliminating box 21 containing an odor eliminating agent such as activated carbon is provided on the downstream side, and an exhaust fan 23 is attached below the odor eliminating box 21 via a chamber box 22.

The adsorption filters 19, 19a ... Are artificial or synthetic (natural ones are also possible) on the surface of the fold-shaped adsorption portions 24, 24a.
With a particle size of about 3 μm, 25, 25a (Chemical formula xM _{2 / n}・ Al ₂ O ₃・ ySiO ₂・ zH ₂
O, M: alkali or alkaline earth metal, n: valence) are attached, or the adsorption parts 24, 24a ... Are formed by pulp and zeolite 25, 25a. ... is mixed.

Numeral 26 is a chemical injection port into the adsorption box 17 for the powdery zeolite 25, 25a ... In the embodiment, an inlet 18 of the adsorption box 17 (centralized treatment box 16).
Is also used in.

Next, in the second embodiment, a suction box
A filter 27 is arranged at the bottom of 17, and innumerable zeolite particles 29, 29 in the adsorption space 28 at the top of the filter 27.
a (particle size of about 3 μm to 10 mm) is arranged and stored.

Next, the operation of the smokeless roaster according to the present invention will be described. Exhaust gas such as burning smoke, oil particles, and odorous components that rise with the baking of food on the roster 4 is discharged from the main fan 14 of the main duct 13 and the exhaust gas. The exhaust unit 8 is suctioned by the exhaust fan 23 of the central processing box 16.
Is sucked into the central processing box 16 via.

The sucked exhaust gas reaches the adsorption filters 19, 19a ... Of the adsorption box 17, and the adsorption filters 19, 19a.
19a ... Adjacent to the substantially cylindrical suction portion 24, 24a.
a ... It is sucked by negative pressure to the adsorption filters 19, 19a ... Removal function of the adsorption filters 19, 19a ... Zeolite
Burning smoke and oil particles are about 100 due to the adsorption action of 25, 25a ....
%, Most of the odorous components are also adsorbed, and the purified exhaust gas is completely deodorized and exhausted to the outside when flowing through the deodorizing box 21 downstream of the adsorption box 17.

The above exhaust gas is absorbed by the adsorption filters 19, 19a ...
When passing through the inside, the zeolite 25, 25a, which is attached to or mixed with the adsorption filters 19, 19a, has needles or spines protruding from the surface of the sphere like, for example, a sea urchin shape.
Oil particles and the like adhere to the spines, and the adsorption filter 19, 19a ... Is made into a substantially cylindrical shape, so that the oil particles and the like are ubiquitous with respect to the zeolite 25, 25a, which has a uniform distribution in the action during adsorption. Even if a part of the zeolite 25, 25a ... Is adsorbed and the adsorption capacity is reduced, the exhaust gas flows in the vicinity of the zeolite 25, 25a .. It can adsorb efficiently on the entire circumference of the cylinder.

Further, when the zeolite 25, 25a ... Is adhered to the adsorption filters 19, 19a ... In particular, when the zeolite 25, 25a ... Zeolite 25, 25
a ... can be uniformly attached to the entire circumference, that is, zeolite 25, 25a
It is possible to adhere uniformly by the action similar to that of when adsorbing oil particles etc. by the adsorbent. More specifically, if the zeolite 25, 25a is partially adhered to the adsorbent filter 19, 19a, the air flow resistance of other parts will be Reduced and powdered zeolite
25, 25a ... Are attracted to the low resistance part, and as a result, the powdery zeolite 25, 25a ... Can be evenly attached to the entire circumference of the adsorption filters 19, 19a.

Further, zeolite particles 29, 29a are provided in the adsorption space 28.
Also in the second embodiment in which the ... Is arranged and housed, the same effect as described above is exerted to adsorb dust, smoke, oil particles and the like from the polluted air, and the adsorption efficiency is also uniform throughout the zeolite particles 29, 29a. Can be utilized.

That is, in the adsorbing action, the adsorbing action of the zeolite particles 29, 29a ...
%, Most of the odorous components are also adsorbed, and the purified exhaust gas is completely deodorized when flowing through the deodorizing box 21 downstream of the adsorbing box 17 and is exhausted to the outside. ... has needles and spines protruding from the surface of the sphere like a sea urchin, and oil particles and the like adhere to the needles and spines.

Regarding the adsorption efficiency, even if the adsorption ability of a part of the innumerable zeolite particles 29, 29a ... Is lowered due to the continuous adsorption action, the exhaust gas has little resistance and is not clogged or clogged. All the zeolite particles 29, 29a, ..., which flow in the vicinity of the particles 29, 29a, can be efficiently adsorbed.

[0021]

In summary, the present invention is based on the roaster body 1,
Main duct 13 which is suctioned to exhaust part 8 of 1a.
Since it is connected to each other, it is possible to exhaust the smoke that rises during cooking to the outside, and the central processing box 16 is provided at the tip of the main duct 13, and the zeolite 25, 25a ... Is attached to the central processing box 16. Adsorption filter 1 mixed
, 19a, or a filter 27 is provided at the bottom of the centralized processing box 16 and zeolite particles 29, 29a are arranged and housed in the adsorption space 28 above the filter 27, so that zeolite 25, 25a ..., zeolite particles 29, 29a ...
By the adsorption action of, burning smoke, oil particles, odorous components can be adsorbed and removed,
The exhaust gas exhausted to the outside can be made clean.

Further, since the deodorizing box 21 is provided downstream of the adsorption box 17 accommodating the adsorption filters 19, 19a ... Or the zeolite particles 29, 29a ... In the central processing box 16, zeolite 25, 25a. Particle 29,
29a ... can adsorb a small amount of odor components that could not be adsorbed and deodorize it, and some types of deodorants cause clogging due to oil particles and cause a decrease in performance, but zeolite 25, By the action of 25a ..., Zeolite particles 29, 29a ..., the oil particles are adsorbed and the ability of the deodorant can be maintained for a long time.

Further, since the adsorption filters 19, 19a ... Have a substantially cylindrical shape, when adsorbing oil particles or the like from the exhaust gas, the exhaust gas wraps around to other parts of the clogged zeolite 25, 25a. Filters 19 and 19a… Effectively adsorbed by zeolite 25 and 25a on the entire circumference, and zeolite 25 and 25a
Similarly, the zeolite 25, 25a, ... Can be uniformly attached to the entire circumference of the adsorption filters 19, 19a.

Further, the adsorption filter of the central processing box 16
Since the chemical injection port 26 is provided in the adsorption box 17 accommodating 19, 19a ... or zeolite particles 29, 29a ..., when the zeolite 25, 25a ... is attached to the adsorption filter 19, 19a ... Can be easily attached after attachment, or after use zeolite 25,
25a ..., Zeolite particles 29, 29a ... can be easily replenished if they deteriorate or become clogged,
It can be easily attached to the adsorption filters 19, 19a, etc., and its practical effect is extremely great.

[Brief description of drawings]

FIG. 1 is a schematic plan view of a central exhaust system according to the present invention.

FIG. 2 is a schematic front view of a roaster body.

FIG. 3 is a plan view of a centralized processing box.

FIG. 4 is a front view of FIG.

FIG. 5 is a right side view of FIG.

FIG. 6 is a perspective view of an adsorption filter.

FIG. 7 is a model diagram of zeolite.

FIG. 8 is a front view of a centralized processing box according to a second embodiment.

9 is a plan view of FIG. 8. FIG.

FIG. 10 is a side view of FIG.

[Explanation of symbols]

 1, 1a… Roaster body 8 Exhaust part 13 Main duct 16 Centralized treatment box 17 Adsorption box 19, 19a… Adsorption filter 25, 25a… Zeolite 26 Chemical inlet 27 Filter 28 Adsorption space 29, 29a… Zeolite particles

Claims (5)

[Claims] 1. An adsorption system in which a main duct that is suctioned to the exhaust part of the roaster body is connected to the main duct, and a centralized treatment box is provided at the tip of the main duct, and zeolite is adhered or mixed in the centralized treatment box. A smokeless roaster characterized by having a filter. 2. A main duct which is suctioned to the exhaust part of the roaster body is connected, a central processing box is provided at the tip of the main duct, and a filter is provided at the bottom of the central processing box. A smokeless roaster characterized by arranging and storing zeolite particles in the upper adsorption space. 3. A deodorizing box is provided downstream of the adsorption filter or the adsorption box containing zeolite particles in the centralized treatment box.
Or 2 smokeless roasters. 4. The smokeless roaster according to claim 1, wherein the adsorption filter has a substantially cylindrical shape. 5. The smokeless roaster according to claim 1, 2, 3 or 4, wherein the adsorption filter of the centralized treatment box or the adsorption box accommodating zeolite particles is provided with a chemical inlet.