KR102072828B1 - Particulate matter reducing apparatus of exhaust gas furification facilities using effective microorganisms - Google Patents

Abstract

Disclosed by the present invention is a fine dust reducing device of an exhaust gas purification facility using useful microorganisms, which is able to significantly increase a fine dust reduction effect and an atmospheric environment improvement effect by primarily collecting and removing fine dust and odor-producing substances included in exhaust gas discharged through a vertical exhaust pipe of an exhaust gas purification facility through the injection of useful microorganism culture fluid, and secondarily collecting and removing fine dust and odor-producing substances in the atmosphere. The fine dust reducing device of an exhaust gas purification facility using useful microorganisms disclosed by an embodiment of the present invention includes: a pipe expansion type housing coupled to an end part of the vertical exhaust pipe of the exhaust gas purification facility, and having a larger diameter than the vertical exhaust pipe; a cross plate included in the pipe expansion type housing and integrally formed in a state in which two curved plates cross; and an injection nozzle having one end connected to a useful microorganism culture fluid tank provided in the outside of the pipe extension type housing, having the other end penetrated and connected into the pipe extension type housing, and injecting useful microorganism culture fluid onto the cross plate to make the fluid be in contact with and be mixed with exhaust gas.

Description

PATICULATE MATTER REDUCING APPARATUS OF EXHAUST GAS FURIFICATION FACILITIES USING EFFECTIVE MICROORGANISMS}

The present disclosure relates to an apparatus for reducing fine dust in an exhaust gas purification plant, for example, installed in a vertical exhaust pipe of an exhaust gas purification facility such as an adsorption tower or a scrubber to collect and remove fine dust contained in the exhaust gas of the exhaust gas purification facility. .

Unless otherwise indicated herein, the contents described in this identification are not prior art to the claims of this application and the description in this identification is not admitted to be prior art.

In general, an exhaust gas purification facility collects and removes air pollutants or odor-causing substances from exhaust gases discharged into the atmosphere from various industrial facilities. For example, the exhaust gas purification system includes exhaust gas through an adsorbent material having a large surface area such as activated carbon. Adsorption towers for adsorption and collection of air pollutants or odor-causing substances contained therein, and scrubbers for removing or collecting and removing air pollutants or odor-causing substances contained in exhaust gas by a method such as flame, plasma, and feed cleaning. Can be.

The exhaust pipe of the exhaust gas purifying facility is essentially provided with a fine dust reduction device for maximally increasing the collection removal rate of air pollutants or odor-causing substances, especially fine dust contained in the exhaust gas.

As an example of an apparatus for reducing fine dust in an exhaust gas purification facility, Korean Patent Registration No. 10-1841019 (August 22, 2018) discloses an exhaust gas treatment system for simultaneously treating fine dust and harmful gases generated from an incineration power plant. An incineration power plant combustor for generating hot exhaust gases comprising nitrogen oxides (NOx), sulfur oxides (SOx) and dust (Dust) which are environmentally harmful to the city; An exhaust gas line connected to supply high-temperature exhaust gas discharged from the incinerator power plant combustor; Directly connected to the other end of the exhaust gas line, the simultaneous reduction of sulfur oxide (SOx), fine dust (PM-2.5) and nitrogen oxides (NOx) contained in the high-temperature exhaust gas supplied through the exhaust gas line at the same time A flue gas processing unit having a plurality of ceramic filters to be treated; And an exhaust gas treatment system for simultaneously treating fine dust and noxious gases generated in an incineration power plant including a stack for discharging clean gas purified outside through a plurality of ceramic filters of the flue gas treatment unit. Is initiated.

In addition, Korean Patent Publication No. 10-2007-0036444 (published on April 3, 2007) is provided with a combustion furnace for burning waste, and a reburn furnace with an ignition burner for reburning the exhaust gas generated in the combustion furnace is installed. A drying apparatus is installed, in which the exhaust gas to the reburner and the pulverized product introduced from the crusher are introduced, and a dust collecting device is installed to remove relatively large particles such as dust and foreign substances contained in the exhaust gas discharged from the drying apparatus. An air pollutant reduction system using a three-way catalyst is disclosed.

However, in the case of the fine dust reduction device of the conventional exhaust gas purification facility as described above, since the dust collector based on the filter is simply installed on the exhaust pipe, the maintenance cost due to periodic filter replacement is increased. Rather, there is a problem that the risk of backflow exists by increasing the load in the exhaust pipe.

1. Republic of Korea Patent Publication No. 10-2004-0078792 (published Sep. 13, 2004) 2. Republic of Korea Patent Registration No. 10-0806360 (announced Feb. 27, 2008)

The fine dust and odor-causing substances contained in the exhaust gas discharged through the vertical exhaust pipe of the exhaust gas purification facility are collected and removed by spraying useful microbial culture, and at the same time, the fine dust and odor-causing substances in the air are secondary. The purpose of the present invention is to provide a fine dust reduction device for an exhaust gas purification facility using useful microorganisms that can greatly increase the fine dust reduction effect and the atmospheric environment improvement effect by collecting and removing the dust.

In addition, it is not limited to the technical problems as described above, it is obvious that another technical problem may be derived from the following description.

The disclosure discloses an expandable housing coupled to an end of a vertical exhaust pipe of an exhaust gas purification plant and having a larger diameter than the vertical exhaust pipe, and integrally provided with an interior of the expanded housing and having two curved plates crossed. The cross plate is formed, and one end is connected to the useful microbial culture tank provided on the outside of the expandable housing, and the other end is penetrated into the expandable housing and sprays the useful microbial culture onto the cross plate to contact and mix with the exhaust gas. An example of a fine dust reduction apparatus for an exhaust gas purification facility using a useful microorganism including an injection nozzle is provided.

According to a preferred feature of the disclosed contents, further comprises a microparticle induction port protruding on the upper inner peripheral surface of the expandable housing and guides the useful microbial culture solution and the exhaust gas injected from the injection nozzle to be divided into fine particles through a collision do.

According to a preferred feature of the disclosed contents, the expandable housing is coupled so that the upper end of the exhaust gas purification facility to the vertical exhaust pipe flows inwardly and flows down the inner wall of the expandable housing at an inner circumference of the lower end of the expandable housing. A culture medium collecting container for storing a culture solution is formed, and the culture medium collecting container is connected to the useful microbial culture medium tank by a culture solution collecting tube so that the useful microbial culture solution collected in the culture medium collecting container is recovered to the useful microbial culture medium tank.

According to an apparatus for reducing fine dust in an exhaust gas purification system using a useful microorganism according to an embodiment of the present disclosure, the useful microbial culture solution may be transferred onto a cross plate in an expansion-type housing coupled to an end side of a vertical exhaust pipe of the exhaust gas purification system. As a result of the injection, the fine dust and odor-causing substances contained in the exhaust gas are collected and removed at the same time, and at the same time, the fine dust and odor-causing substances in the air are collected and removed through the air discharge of the useful microbial culture medium. There is an advantage that the environmental improvement effect can be significantly increased.

In addition, according to the fine dust reduction device of the exhaust gas purification facility using the useful microorganism according to an embodiment of the present disclosure, the exhaust gas is exhausted as it is coupled to the end side of the vertical exhaust pipe of the exhaust gas purification facility in the form of a expandable housing As the speed decreases, the contact time of the useful microbial culture increases, and as the spray droplets of the useful microbial culture and the exhaust gas are mixed through the cross plates in the expandable housing, the contact area of the useful microbial culture increases, thereby reducing the fine dust and the atmosphere. There is an advantage that the environmental improvement effect can be further increased.

In addition, according to the fine dust reduction device of the exhaust gas purification facility using the useful microorganism according to an embodiment of the present disclosure, the useful microbial culture solution injected from the injection nozzle by the exhaust pressure (positive pressure) by the exhaust fan is naturally expanded and sprayed Therefore, there is an advantage that can reduce the power and the resulting cost required for the injection and mixing of the useful microbial culture.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is an overall structural diagram of a fine dust reduction apparatus of an exhaust gas purification facility using a useful microorganism according to an embodiment of the present disclosure.
Figure 2 is a detailed view of the fine dust reduction device of the exhaust gas purification facility using a useful microorganism according to an embodiment of the present disclosure.

Hereinafter, with reference to the accompanying drawings looks at the configuration, operation and effect of the preferred embodiment. For reference, in the drawings, each component is omitted or schematically illustrated for convenience and clarity, and the size of each component does not reflect the actual size. In addition, the same reference numerals throughout the specification refer to the same components and reference numerals for the same components in the individual drawings will be omitted.

An apparatus for reducing fine dust in an exhaust gas purification system using a useful microorganism according to an embodiment of the present disclosure is provided at an end portion of a vertical exhaust pipe passage 5 of the exhaust gas purification system 3, as shown in FIGS. 1 and 2. An expansion tube 10 coupled to and having a diameter larger than that of the vertical exhaust pipe 5, and a cross plate 20 provided inside the expansion housing 10 and integrally formed with two curved plates intersecting. And, one end is connected to the useful microbial culture tank 31 provided on the outside of the expansion tube 10 and the other end is penetrated into the expansion housing 10 and spraying the useful microbial culture onto the cross plate 20 And an injection nozzle 30 for contact mixing with the exhaust gas.

Here, the expansion-type housing (10) coupled to the end of the vertical exhaust pipe (5) of the exhaust gas purification facility (3) and having a larger diameter than the vertical exhaust pipe (5),

An intersecting plate 20 provided inside the expansion-shaped housing 10 and integrally formed in a state where two curved plates intersect with each other,

The cross plate has a number of through holes

One end is connected to the useful microorganism culture tank 31 provided on the outside of the expandable housing 10, the other end is penetrated into the expandable housing 10, and the useful microbial culture solution is injected onto the cross plate 20 to exhaust the exhaust gas. And spray nozzles 30 in contact with

Injection nozzle is located on the lower side of the cross plate to inject the useful microbial culture in the upper direction

It further comprises a micro-particle induction port protruding on the upper inner peripheral surface of the expandable housing and guides the useful microorganism culture medium and the exhaust gas injected from the injection nozzle to be divided into fine particles through a collision.

The microparticle induction hole protrudes horizontally from the upper inner circumferential surface of the expandable housing and then branches to have an overall "Y" shape.

The expandable housing is coupled so that the upper end of the exhaust gas purification facility to the vertical exhaust pipe is introduced into the inner side, and a culture medium collection container is formed in the lower inner circumference of the expandable housing to store the culture liquid flowing down the inner wall of the expandable housing. The collection container is connected to the useful microbial culture tank by the culture solution collection tube so that the useful microbial culture solution collected in the culture medium collection container is recovered to the useful microbial culture tank.

In the case of the fine dust reduction device of the exhaust gas purification facility using the useful microorganism according to an embodiment of the disclosure, according to the fine dust reduction device of the exhaust gas purification facility using the useful microorganism according to an embodiment of the present disclosure, By injecting the useful microbial culture onto the cross plates in the expansion-type housing coupled to the end side of the gas purification facility, the microorganism and the microorganisms contained in the exhaust gas are collected and removed. By collecting and removing secondary dust and odor-causing substances in the air through the emission of air, the effect of reducing fine dust and improving the atmospheric environment can be greatly increased.

In addition, according to the fine dust reduction device of the exhaust gas purification facility using the useful microorganism according to an embodiment of the present disclosure, the exhaust gas is exhausted as it is coupled to the end side of the vertical exhaust pipe of the exhaust gas purification facility in the form of a expandable housing As the speed decreases, the contact time of the useful microbial culture increases, and as the spray droplets of the useful microbial culture and the exhaust gas are mixed through the cross plates in the expandable housing, the contact area of the useful microbial culture increases, thereby reducing the fine dust and the atmosphere. There is an advantage that the environmental improvement effect can be further increased.

In addition, according to the fine dust reduction device of the exhaust gas purification facility using the useful microorganism according to an embodiment of the present disclosure, the useful microbial culture solution injected from the injection nozzle by the exhaust pressure (positive pressure) by the exhaust fan is naturally expanded and sprayed Therefore, there is an advantage that can reduce the power and the resulting cost required for the injection and mixing of the useful microbial culture.

Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the embodiments described herein and the configurations shown in the drawings are merely exemplary embodiments of the present invention, and represent all of the technical ideas of the present invention. It is to be understood that there may be various equivalents and variations in place of them at the time of the present application. Therefore, the exemplary embodiments described above are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the following claims rather than the detailed description, and the meaning and scope of the claims and their All changes or modifications derived from an equivalent concept should be construed as being included in the scope of the present invention.

1: Fine dust reduction device of exhaust gas purification facility using useful microorganism
3: exhaust gas purification facility
5: vertical exhaust pipe
10: Expansion housing
20: cross plate
30: medium injection nozzle
31: culture tank
40: microparticle induction hole
50: culture medium collection container
51: aquarium return pipe

Claims (6)

An expandable housing coupled to an end of a vertical exhaust pipe of the exhaust gas purification facility and having a larger diameter than the vertical exhaust pipe;
A cross plate provided in the expansion housing and integrally formed in a state in which two curved plates cross each other;
An injection nozzle connected at one end to a useful microbial culture tank provided outside of the expandable housing and connected at the other end to penetrate into the expandable housing and injecting and mixing the useful microbial culture onto the cross plate with the exhaust gas; And
It is formed on the upper inner circumferential surface of the expandable housing and includes a microparticle induction port for inducing the useful microbial culture solution and the exhaust gas is injected from the injection nozzle is divided into fine particles through the collision,
The micro-particle induction hole is protruded horizontally from the upper inner peripheral surface of the expandable housing and then branched to fine dust reduction apparatus of the exhaust gas purification facility using useful microorganisms having an overall "Y" shape. delete delete The method according to claim 1,
Fine dust reduction device of the exhaust gas purification facility using a useful microorganism, characterized in that a plurality of through-holes are formed in the cross plate. The method according to claim 1,
The injection nozzle is located on the lower side of the cross plate, fine dust reduction apparatus of the exhaust gas purification facility, characterized in that for spraying the useful microbial culture in the upward direction. The method according to claim 1,
The expandable housing is coupled to the upper end of the exhaust pipe purification facility to the vertical exhaust pipe inlet inwards, and the culture medium collection container for storing the culture fluid flowing down the inner wall of the expandable housing in the lower inner circumference of the expandable housing Formed,
The culture medium collection container is connected to the useful microorganism culture tank by the culture solution collection tube so that the useful microorganism culture solution collected in the culture solution collection container is recovered to the useful microorganism culture solution tank. Dust reduction device.

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