JP2006198458A - Smoke-removal/deodorization system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a smoke-removal/deodorization system capable of efficiently performing smoke-removal and deodorization, and never causing a pressure resistance within an oven connected to a flue. <P>SOLUTION: The smoke-removal/deodorization system has an absorption section arranged within the flue. The absorption section has a cylindrical body nearly fitting the flue in shape and size and a funnel-shaped droplet-collecting section attached to the bottom of the cylindrical body, and the droplet-collecting section has a large number of small holes allowing smoke to pass through and is equipped with a drop-receiving container arranged just below an opening disposed in the lowermost part of the drop-collecting section, a spraying device arranged within the cylindrical body and having two or more nozzles for spraying an aqueous solution of carbon in mist form in the peripheral surface and a tank for the aqueous solution of carbon filled with the aqueous solution of the carbon prepared by baking and crushing plants and mixing resultant carbon particles with water. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a smoke eliminating and deodorizing system. The smoke eliminating and deodorizing system of the present invention is used for smoke eliminating and deodorizing an incinerator chimney, an industrial chimney, a duct and the like.

  Conventionally, various methods such as a method of installing a deodorizing filter in a flue and a method of using activated carbon for deodorization are known as a method of removing smoke and deodorizing smoke discharged from a flue such as a chimney. It has been.

  However, in the conventional method, the filter is likely to be clogged, the installation of the deodorization device in the flue causes pressure resistance in the furnace and causes incomplete combustion, the efficiency is low due to the low adsorption rate, etc. There were various problems.

  The present invention has been devised in view of such a situation, and is capable of efficiently carrying out smoke removal and deodorization and generating pressure resistance in the furnace leading to the flue. The purpose is to provide a smoke-free and deodorant system without any problems.

  The smoke eliminating and deodorizing system according to claim 1 of the present application includes an adsorbing portion disposed in a flue, and the adsorbing portion is a cylindrical body having a shape and a size substantially matching the shape and size of the flue. And a funnel-shaped drop collector attached to the bottom of the cylindrical body, and the drop collector is provided with a number of small holes so that smoke can pass through the flue. A drop receiving container disposed immediately below an opening provided at a lowermost portion of the droplet collecting unit, and a plurality of nozzles disposed inside the cylindrical body for injecting a carbon aqueous solution in a mist form. An injector provided on a peripheral surface; and a carbon aqueous solution storage tank that is disposed outside the flue and is filled with a carbon aqueous solution formed by mixing carbon particles obtained by firing and pulverizing plants with water. , Charcoal pumped from the carbon aqueous solution storage tank and sprayed in a mist Smoke that has entered the flue is adsorbed to the micropores of the carbon particles in the aqueous solution and becomes droplets that adhere to the droplet collection unit, and the droplets fall from the opening to the droplet receiver and the carbon aqueous solution. It is comprised so that it may be accommodated in a storage tank.

  The smoke eliminating and deodorizing system according to claim 2 of the present application is the apparatus of claim 1, wherein a filter is disposed adjacent to an upper part of the carbon aqueous solution storage tank, and the drops pass through the filter and the carbon aqueous solution. It is stored in a storage tank.

  The smoke eliminating and deodorizing system according to claim 3 of the present application is the apparatus of claim 1 or 2, wherein the droplets stored in the carbon aqueous solution storage tank are again pumped to the injector and used as the carbon aqueous solution. It is characterized by.

  According to the system of the present invention, smoke removal and deodorization can be performed efficiently with an apparatus having a relatively simple structure. Moreover, in the system of this invention, since many small holes are provided in the adsorption | suction part arrange | positioned in a flue, it does not produce pressure resistance in a furnace.

  Next, with reference to the drawings, a smoke eliminating and deodorizing system according to a preferred embodiment of the present invention will be described in detail. FIG. 1 is an overall view schematically showing a smoke eliminating and deodorizing system according to a preferred embodiment of the present invention. A smoke evacuation and deodorization system according to a preferred embodiment of the present invention generally indicated by reference numeral 10 in FIG. 1 includes an adsorption portion 12 disposed in a cylindrical flue.

  The adsorption portion 12 includes a cylindrical tubular body 14 having an outer diameter slightly smaller than the inner diameter of the flue, and a funnel-shaped drop collecting section 16 attached to the bottom of the tubular body 14. . The adsorption portion 12 is configured to be arranged at a desired location in the flue by fixing the cylindrical body 14 inside the flue with a jig 18. The droplet collecting part 16 is provided with a large number of small holes so that smoke can pass from the bottom to the top of the flue.

  Preferably, as shown in FIG. 2 (a), the droplet collecting unit 16 includes a plurality of first members that extend radially from the opening 16a provided at the apex (lowermost part) of the inverted cone. 16b and a second member 16c attached to the outer surface of the first member 16b so as to connect the first members 16b, and the first member 16b and the second member 16c allow small smoke to pass through. A hole 16d is formed. Or you may form the droplet collection part 16 with a punching metal (refer FIG.2 (c)) or a metal-mesh.

  The smoke eliminating and deodorizing system 10 is also provided with a droplet receiving container 18 disposed immediately below the opening 16 a of the droplet collecting unit 16. The first member 16b of the droplet collecting section 16 is preferably formed of a member having a flat upper surface so that the droplets can be easily collected in the droplet receiving container 18. More preferably, it is preferable to provide a groove on the upper surface of the first member 16b of the droplet collecting section 16 in order to make it easier to collect droplets.

  The smoke eliminating and deodorizing system 10 also includes an injector 20 disposed inside the cylindrical body 14. The injector 20 has an elongated cylindrical shape, and a plurality of nozzles 20a for injecting the carbon aqueous solution in a mist form are provided on the peripheral surface thereof. The diameter of the nozzle 20a is preferably about 0.001 mm so that the carbon aqueous solution can be sprayed in a mist form.

  The smoke eliminating and deodorizing system 10 further includes a carbon aqueous solution storage tank 22 disposed outside the flue. In the carbon aqueous solution storage tank 22, carbon particles obtained by firing and pulverizing plants such as rice husks are water. A carbon aqueous solution formed by mixing is filled. Preferably, a filter 22 a is disposed adjacent to the upper part of the aqueous carbon solution storage tank 22.

  The carbon aqueous solution storage tank 22 communicates with the injector 20 via the first conduit 24, and the carbon aqueous solution passes through the first conduit 24 by the pump 26 disposed in the carbon aqueous solution storage tank 22. It is designed to be pumped to. The carbon aqueous solution storage tank 22 communicates with the droplet receiving container 18 through the second conduit 28, and the decomposed droplets in the droplet receiving container 18 are stored in the carbon aqueous solution storing tank 22 through the second conduit 28. It has become so. In addition, in order to filter the oil component in a drop, it is preferable to comprise the 2nd pipe line 28 so that it may open above the filter 22a, as FIG. 1 shows.

  Next, with reference to FIG. 4, the operation of the smoke eliminating and deodorizing system 10 configured as described above will be described. The suction part 12 of the smoke eliminating and deodorizing system 10 is placed in the flue to be treated and the pump 26 is activated. Then, the carbon aqueous solution in the carbon aqueous solution storage tank 22 is pumped to the injector 20 and ejected from the nozzle, and the mist-like carbon aqueous solution is filled in the flue. In this state, when smoke enters the flue, the smoke is adsorbed into the micropores of the carbon particles in the carbon aqueous solution to form droplets and adhere to the droplet collection unit 16. Then, the droplets adhering to the droplet collecting unit 16 fall from the opening 16a to the droplet receiving container 18, and then stored in the carbon aqueous solution storage tank 18. In addition, when the 2nd pipe line 28 is opened above the filter 22a, the oil component in a drop is filtered. The droplets stored in the carbon aqueous solution storage tank 18 are again pumped to the injector 20 by the pump 26.

  FIG. 5 is a table showing the results of experiments conducted to verify the effectiveness of the smoke eliminating and deodorizing system 10. In this experiment, the smoke eliminating and deodorizing system 10 was installed in a 52 cm diameter flue, and carbon dioxide, carbon monoxide, dust, and hydrogen chloride were measured. In FIG. 5, “lower limit of quantification” means a regulation value stipulated by law, and “measurement value” means a measurement value in this experiment conducted by installing the smoke eliminating and deodorizing system 10. To do. As shown in FIG. 5, all “measured values” were below the “lower limit of quantification”, confirming the effectiveness of the apparatus.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say, it is something.

  For example, in the above-described embodiment, the flue is cylindrical, and thus the cylindrical body 14 is also cylindrical. However, the smoke eliminating and deodorizing system 10 of the present invention is also applied to a flue having a rectangular cross section. (In that case, the tubular body is formed in a rectangular cross section to match the flue).

1 is an overall view schematically showing a smoke eliminating and deodorizing system according to a preferred embodiment of the present invention. 2A is a sectional view taken along line 2a-2a in FIG. 1, FIG. 2B is a sectional view taken along line 2b-2b in FIG. 2A, and FIG. It is the same figure as Drawing 2 (a) showing a modification. FIG. 3 is a cross-sectional view taken along line 3-3 in FIG. 1. It is explanatory drawing which shows the action | operation of the smoke eliminating and deodorizing system of FIG. It is the table | surface which showed the result of the experiment conducted in order to verify the effectiveness of the smoke eliminating and deodorizing system of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Smoke removal and deodorization system 12 Adsorption part 14 Tubular body 16 Drop collection part 18 Drop receptacle container 20 Injector 22 Carbon aqueous solution accommodation tank 24 1st pipe 26 Pump 28 2nd pipe

Claims (3)

An adsorbing portion disposed in the flue, the adsorbing portion having a shape and size substantially matching the shape and size of the flue, and a funnel shape attached to the bottom of the cylindrical shape A large number of small holes so that smoke can pass through the flue.
A drop receiving container disposed immediately below an opening provided at the bottom of the drop collecting section;
An injector provided inside the cylindrical body and provided with a plurality of nozzles on the peripheral surface for injecting a carbon aqueous solution in a mist shape;
A carbon aqueous solution storage tank that is disposed outside the flue and is filled with an aqueous carbon solution formed by mixing carbon particles obtained by firing and pulverizing plants with water; and
Smoke that has entered the flue is adsorbed to the micropores of the carbon particles in the carbon aqueous solution that has been pumped from the carbon aqueous solution storage tank to the injector and sprayed in the form of a mist, and is attached to the droplet collection unit as droplets The smoke-eliminating / deodorizing system is configured so that the droplet falls from the opening to the droplet receiving container and is stored in the carbon aqueous solution storage tank. 2. The smoke eliminating and deodorizing system according to claim 1, wherein a filter is disposed adjacent to an upper portion of the carbon aqueous solution storage tank, and the droplets are stored in the carbon aqueous solution storage tank through the filter. . 3. The smoke eliminating and deodorizing system according to claim 1, wherein the droplets stored in the carbon aqueous solution storage tank are pumped again to the injector and used as a carbon aqueous solution. 4.

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