KR102049811B1 - Toxic gas purifier and purification method - Google Patents

Abstract

The present invention relates to a technique for removing colored smoke generated during the toxic gas purifying process with smoke products, decomposing sludge generated by the mixing of smoke generators and colored smoke into decomposition products, and utilizing the decomposed compound as smoke products again. . Specifically, formed in the middle of the body 111, the tubular, waste gas supply pipe 112, the toxic gas enters; formed on the upper side of the body, tubular, purification gas discharge pipe 113 is discharged purified gas discharged 113 It is formed in the body, the injection nozzle 114 for spraying the purified water; formed in the lower side of the body, the water tank 115 for collecting contaminated water;

Description

Toxic gas purifier and purification method

The present invention relates to a technique for removing colored smoke generated during the toxic gas purification process with smoke products, decomposing sludge generated by the mixing of smoke products and colored smoke into decomposition products, and utilizing the decomposed compound as smoke products again. .

Patent invention 001 discloses a method for purifying waste gas, which includes a burner and a combustion chamber for generating a combustible gas flame for pyrolysis or oxidation of toxic substances, and proposes a method for purifying waste gas from CVD and plasma processes. Specifically, the liquid is finely dispersed and directly supplied to the combustion chamber filling the space on the burner and the combustible gas flame, and the flow of the burned waste gas is discharged from the combustion chamber through the combustion chamber space filled with the finely dispersed liquid. It is proposed that a liquid film is formed on the combustion chamber wall and the liquid flowing downward on the wall is discharged near the bottom of the combustion chamber.

Patent invention 002 occurs during the manufacturing process through thermal conversion in the reaction chamber and subsequent treatment of the reaction product with a sorbent in a washing apparatus to bind the water soluble reaction product and to dissolve the solid reaction product, which is subsequently carried out. A device for purifying toxic gas. Specifically, the reaction chamber is composed of an outer wall and an inner wall, the inner wall is narrowed in the form of a funnel at a predetermined angle as it goes down, a unit for heat treatment of the toxic gas is disposed on the reaction chamber is closed at the top, The inner surface of the inner wall of the narrowing reaction chamber has a water film uniformly flowing downward, the outer wall of the inner wall of the reaction chamber is surrounded by a water jacket, the waste gas outlet at the lower end of the narrowing inner wall and It is shown that the connections for the water circuit are arranged.

Patent Invention 003 relates to a toxic gas purification device of an incinerator which can remove toxic and odor contained in exhaust gas generated when incineration of waste or industrial waste.Incinerators for incineration of various industrial wastes in the prior art Since the water spray nozzle is installed on the exhaust passage to remove dust and soot in the exhaust gas, it causes air pollution because toxic gases and odors are discharged through the communication. Therefore, in an incinerator comprising an incinerator, a dust collector, a heat exchanger, a stabilizer, a bag filter, a fan, and communication, one side of the incinerator is coupled to a closed plate, a cylindrical cover and a rotor base, which have discharge holes formed under the hopper. On the shaft vertically bonded to the center of the cylindrical carver, a powder chemical sprayer equipped with a stirring blade and a rotating plate fixed with a plurality of stone pieces at regular intervals is installed, and the discharge pipe of the rotor base of the powder chemical sprayer connects the ballast and the bag filter. Toxic gas emitted by connecting the upper part of the air pump, discharge pipe and hopper with air supply pipe by connecting the connecting pipe and feeding hose to the connecting pipe connecting the ballast and the bag filter by air pump air pressure. It suggests that toxic and odor contained in can be removed by neutralization.

Patent Invention 004 relates to a device that can automatically purify toxic fumes and automatically replace contaminated industrial water that occur in industrial sites using toxic chemicals, and more specifically, on one side and the other side, respectively. Industrial water storage tank equipped with a water supply pipe and discharge pipe, a flow level gauge and a non-toxic fume outlet installed on the upper surface of the storage tank, a pH meter installed on the upper portion of the storage tank and a pH indicator attached, one end The pH meter and the flow level gauge and the air suction fan is connected, the other end is located in the storage tank and attached to the diffuser formed a plurality of bubble generating holes, the middle portion is connected to the toxic fume discharge pipe and the injection method Purification of toxic fumes and replacement of concentrated liquids using an injection method comprising air suction pipes It presents something about the device.

(Patent invention 001) KR 10-0312009 B1 (Date of registration October 04, 2001) (Patent invention 002) KR 10-2007-0072529 A (published date 04 July 2007) (Patent invention 003) KR 20-1996-011705 Y1 (published April 15, 1996) (Patent invention 004) KR 20-1999-0038765 U (published 25 October 1999)

The present invention relates to a technique for removing colored smoke generated during the toxic gas purification process with smoke products, decomposing sludge generated by the mixing of smoke products and colored smoke into decomposition products, and utilizing the decomposed compound as smoke products again. .

The present invention is an invention for a toxic gas purifying apparatus, formed in the middle of the body 111, the tubular, waste gas supply pipe 112 through which the toxic gas enters; formed on the upper side of the body, tubular, purified purification A purge gas discharge pipe 113 through which the gas is discharged; an injection nozzle 114 formed inside the body and spraying purified water; and a water tank 115 formed below the body and collecting contaminated water; It is made, including.

The present invention relates to an apparatus for purifying a toxic gas, and in the above-described invention, a purification container 211 for supplying purified water to the injection nozzles; accommodating smoke products 210 therein, and the injection nozzle or purification container It includes; the smoke product container 212 to supply the smoke product.

The present invention relates to a toxic gas purification device, a sludge storage container (311) for sucking and receiving the sludge 100 in the water tank in the above-described invention ;, the decomposition product 310 therein, the decomposition product is It includes; decomposition product container 312 is supplied to the sludge storage container.

The present invention relates to an apparatus for purifying a toxic gas, in the above-mentioned invention, a compound storage container (411) for inhaling and receiving a compound (410) generated by the sludge and decomposition products in the sludge storage container; A first supply pipe 412 in which a container and a smoke container are communicated; a second supply pipe 413 in which the compound storage container and a water tank communicate with each other; a circulation pipe 414 for supplying the compound of the water tank to the injection nozzle; It includes.

The present invention relates to a method for purifying a toxic gas, comprising: a purified water spraying step (S100) of spraying purified water on waste gas; and, after the purified water spraying step, receiving a spraying water and a waste gas mixture in a water tank (S200); It takes place in time series.

The present invention relates to a technique for removing colored smoke generated during the toxic gas purification process with smoke products, decomposing sludge generated by the mixing of smoke products and colored smoke into decomposition products, and utilizing the decomposed compound as smoke products again. .

The present invention is effective to convert the colored smoke into the sludge by supplying a mixture of the smoke to the purified water, or by directly spraying the smoke to the injection nozzle.

The present invention has the effect of absorbing only the sludge from the tank, and mixing the absorbed sludge with the decomposition product to produce a high concentration of smoke.

The present invention is effective to remove the sludge in the tank itself by putting the regenerated high concentration smoke products in the smoke product container, recycling or directly supplied to the tank.

The present invention circulates the smoke in the tank, there is an effect that can be cyclically removed the colored smoke of the harmful gas by spraying on the harmful gas.

1 is a conceptual diagram for supplying the smoke product of the present invention to a purification container or a spray nozzle.
Figure 2 is a conceptual diagram for collecting the sludge contained in the water tank of the present invention, supplying the decomposition product to produce a compound.
Figure 3 is a conceptual diagram for supplying the compound produced in the compound container of the present invention to the smoke product container or water bath.
Figure 4 is a conceptual diagram for circulating the smoke product contained in the tank of the present invention.

Hereinafter, the most preferred embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention.

Example 1-1 The present invention relates to an apparatus for purifying a toxic gas, which is formed in the middle of the body 111, is a tubular shape, and a waste gas supply pipe 112 into which toxic gas enters; Tubular shape, purge gas discharge pipe 113, the purified purge gas is discharged; formed in the body, the injection nozzle 114 for spraying the purified water; formed in the lower side of the body, to collect contaminated water Including a water tank 115.

Industrial emissions include a large amount of harmful substances. When the harmful substances are released into the atmosphere, they cause environmental pollution. The present invention is to prevent the release of toxic gas to the atmosphere, the waste gas containing the toxic gas is supplied to the middle of the body, and discharged to the upper side of the body. A plurality of injection nozzles are formed in the middle between the middle side and the upper side. The injection nozzle sprays purified water, and the sprayed purified water is mixed with the waste gas, and the waste gas mixed with the purified water is collected in a water tank under the body.

Example 1-2 In the Toxic Gas Purification Apparatus In Example 1-1, a gas analysis sensor 121 is mounted on a purification gas discharge pipe, and the gas analysis sensor analyzes the purification gas in real time. When the harmful substance is contained in the purification gas, the purification gas discharge valve 122 formed in the purification gas discharge pipe is cut off, and the blocked discharge gas is supplied back to the waste gas supply pipe through the purification bypass pipe 123. The purge bypass pipe is equipped with a check valve 124 to prevent waste gas from entering the purge bypass pipe.

(Example 1-3) In the present invention, toxic gas purifying apparatus in Example 1-1, a contaminated water discharge pipe 131 for discharging contaminated water is formed on the bottom of the tank, and the contaminated water discharge pipe is a waste water purifier 132. Communicating. The waste water purifier purifies the wastewater and discharges it to the outside.

Example 1-4 In the present invention, in the toxic gas purifying apparatus of Example 1-1, the water level measuring sensor 141 is formed in the water tank to measure the level of contaminated water in the water tank in real time. The water level gauge 142 receives the water level sensor signal in real time and adjusts the opening and closing amounts of the injection nozzle and the waste gas supply pipe when the water level is reached. Thus, the tank can maintain a certain amount of contaminated water. The water level sensor may use a balltop, can be used to replace the balltop, it is possible to replace the object having the same purpose and effect.

Example 2-1 The present invention relates to an apparatus for purifying a toxic gas, and according to Example 1-1, a purification container 211 for supplying purified water to the injection nozzle; and accommodating smoke products 210 therein. And a smoke storage container 212 for supplying smoke products to the injection nozzle or the purification container.

Even after harmful substances in the waste gas are removed by the purified water, the waste gas may be discharged to the atmosphere as colored smoke. In order to prevent this, smoke 210 for smoking the colored smoke is accommodated in the purified water or sprayed with a separate spray nozzle.

In order to implement this, colored smoke smoking smoke is accommodated in the smoke product container, smoke product 210 of the smoke product container is supplied to the purification container through the first smoke supply pipe 213, or the second smoke It is sent directly to the injection nozzle through the water supply pipe (214).

(Example 2-2) Inventive Toxic Gas Purifying Device In Example 2-1, the first and second smoke supply pipes are equipped with a flow control valve 221. The purge gas discharge pipe is equipped with a smoke detection sensor 222, and the smoke detection sensor provides measurement information in real time to the smoke detection controller 223. The smoke detection controller receives the smoke detection sensor signal, and then controls the flow control valve by an internal program, and the smoke input amount is adjusted in real time.

(Example 2-3) The Toxic Gas Purifying Device of the Present Invention In Example 2-1, the purified water container contains purified water and smoke product in a mixed form. In order to uniformly mix the purified water and the smoke, the purified water container is equipped with a mixer 231. The mixer may be equipped with a vortex mixer, and a device having a similar purpose and effect as the vortex mixer may be substituted.

(Example 2-4) Inventive Toxic Gas Purifying Device In Example 2-1, the purified water container combines the purified water supply pipe 341 and the smoke supply pipe 342. In order to supply a predetermined ratio of purified water and smoke product, a supply control valve 343 is mounted to the purified water supply pipe and the smoke supply pipe. The supply control valves automatically control the supply amount of the purified water and the smoke product by the supply controller 344.

Example 3-1 The present invention relates to a toxic gas purifying apparatus according to Example 2-1, wherein: a sludge storage container 311 that sucks and receives sludge 100 inside the tank; It includes; 310, the decomposition product container 312, the decomposition product is supplied to the sludge storage container.

Colored smoke smoked by the smoke is collected in the tank water in the form of sludge. The sludge is sucked into the vacuum pump 313 and collected in the sludge storage container. For the treatment of the sludge, a decomposed product (zesol) is introduced into the sludge storage container, and the decomposed product chemically decomposes the sludge to produce a high concentration of smoke products. In order to implement this, the lysate container and the sludge storage container are communicated with the lysate supply pipe 314.

(Example 3-2) Inventive Device of Toxic Gas Purification In Example 3-1, the opening of the suction body 315 should always be located on the water tank surface for effective suction of sludge collected on the water tank surface. The suction body is in communication with the sludge storage container and the tube, the vacuum pump is located in the middle of the tube. In order to maintain the sleep of the suction body, a float 316 is formed in the opening. That is, since the float floats on the water surface, the opening is located on the water surface, which can effectively suck the sludge. The float is formed of an air bag or an object containing a material having a specific gravity lower than that of water.

 Example 3-3 Inventive Toxic Gas Purifying Device In Example 3-1, the sludge storage container is equipped with a temperature measuring sensor 321. The temperature controller 322 measures the temperature sensor signal, and controls the operation of the heater and the cooler. For effective chemical decomposition of the sludge, the sludge storage container is preferably maintained at a constant temperature. For this purpose, the sludge storage container is equipped with a temperature measuring sensor, the temperature controller receives the temperature measuring sensor signal in real time, and controls the heater and the cooler so that the sludge storage container maintains a constant temperature.

(Example 3-4) Inventive Toxic Gas Purifying Device In Example 3-3, the sludge storage vessel contains chemically decomposed sludge. In order to maintain the safety of the sludge is equipped with a stirrer (331). The stirrer is equipped with a vortex stirrer, and a device having a similar purpose and effect as the vortex stirrer may be substituted and used.

Example 3-5 Inventive Toxicity Gas Purification Apparatus In Example 3-1, a decomposition product is contained in the decomposition product container, and the decomposition product is supplied to the sludge storage container through the decomposition product supply pipe. Since the decomposition product must be supplied in a fixed quantity, the decomposition product supply pipe is in communication with the interior of the decomposition product container, and the decomposition product in the liquid form is supplied to the sludge storage container by receiving suction power through the underwater pump 341.

Example 4-1 The present invention relates to an apparatus for purifying a toxic gas. In Example 3-1, a compound storage container for inhaling and receiving a compound 410 generated by combining sludge and decomposed product in the sludge storage container. 411; the first supply pipe 412 in which the compound storage container and the smoke storage container communicate; the second supply pipe 413 in which the compound storage container and the water tank communicate with each other; It includes; the circulation pipe 414 to supply.

Compounds are produced by the chemical reaction of degradants and sludges, which are produced in high concentrations of smoke. For recycling the smoke product, the compound storage container and the smoke storage container is communicated through the first supply pipe, and in order to supply the smoke product directly to the water tank, the compound storage container and the water tank is communicated through the second supply pipe, In order for the smoke supplied to the tank to be directly injected into the waste gas, the tank and the injection nozzle are communicated through the circulation pipe.

Example 4-2 In the toxic gas purifying apparatus of embodiment 4-1, the first supply pipe, the second supply pipe, and the circulation pipe are provided with respective supply pumps 421a, 421b, and 421c, and a supply control valve 422a, Equipped with 422b and 422c, an integrated controller 423 controls the supply control valve to supply an appropriate amount of compound.

 (Example 5-1) The present invention relates to a method for purifying a toxic gas, comprising: a purified water spraying step (S100) of spraying purified water on waste gas; and receiving the purified purified water and waste gas mixture in a water tank after the purified water spraying step It consists of a time series step, including a step (S200).

The present invention is directed to a method of removing the toxic gas of waste gas and then emitting it to the atmosphere. The waste gas is supplied into the body, and the supplied waste gas passes through the spray space of the purified water, and then the sprayed gas and the toxic gas are mixed and settled to the lower water tank. On the other hand, the purified gas is released to the atmosphere. Therefore, the purification water injection step passing through the spray purification water, it consists of a time-series step of receiving the waste gas is accommodated in the tank.

Example 5-2 The present invention relates to a method for purifying a toxic gas, and in Example 5-1, in the purified water spraying step, a smoke supplying step of supplying smoke product to purified water (S110); includes do.

Smoke may be present even if the waste gas is absorbed into the spray purified water, and the smoke may be colored. In order to remove the colored smoke, smoke removal smoke is included in the spraying step. Before the smoke injection step to form a smoke supply step of supplying the smoke to the purified water. In the supply of smoke product, the smoke product may be included in the spray of purified water, or the smoke product may be directly injected through the injection nozzle.

Example 5-3 The present invention relates to a method for purifying a toxic gas, in Example 5-2, after the receiving step, a sludge collecting step of extracting and collecting sludge (S210); and after the sludge collecting step It includes; a decomposition product supply step (S220) for supplying the decomposition product to the collected sludge.

Example 5-4 The present invention relates to a method for purifying a toxic gas, and in Example 5-3, a compound accommodating step of collecting the compound produced by the sludge and the decomposition product after the decomposition product supply step (S230); It includes.

The smoke and the colored smoke are mixed to form sludge, which is collected on the water surface of the tank. The sludge collection step is included to collect the collected sludge in a separate space, and the decomposition product is put into the sludge-collected space (sludge storage space) to disassemble the collected sludge. The sludge storage space into which the decomposed products are injected is subjected to chemical reactions, and chemical reactions produce high concentrations of smoke products. In order to enhance the effect of the chemical reaction, the sludge storage space is agitated by a stirrer and includes a temperature holding step by a temperature measuring sensor and a temperature controller to maintain a constant temperature. The sludge collection step includes a suction step of applying suction to the suction body formed on the surface of the tank.

Example 5-5 The present invention relates to a method for purifying a toxic gas. In Example 5-4, after the compound accommodating step, a primary compound supply step (S241) for supplying the compound to the purified water; Include.

Example 5-6 The present invention relates to a method for purifying a toxic gas. In Example 5-4, after the compound accommodating step, a secondary compound supply step of supplying the compound to the waste gas mixture of the tank (S242) );

The compound is formed of a high concentration of smoke. Therefore, since the smoke product must be recycled again, the method includes a primary compound supplying step of supplying smoke product through the first supply pipe in the compound storage space. It also includes a secondary compound supply step for supplying smoke products directly to the tank. The supplying step is performed by a supply pump, and the supply control valve regulates the supply amount so that the supply amount can be accurately supplied in a predetermined amount. That is, the compound measuring step and the supply control valve control step.

Example 5-7 The present invention relates to a method for purifying a toxic gas. In Example 5-6, after the secondary compound supplying step, the circulation supply step of supplying the compound of the tank to the purified water spraying step ( S250); After supplying the smoke product directly to the water tank, the water tank and the injection nozzle is in communication, it includes a circulation supply step of supplying the smoke product of the water tank to the injection nozzle.

111: body 112: waste gas supply pipe
113: purge gas discharge pipe 114: injection nozzle
115: tank 121: gas analysis sensor
122: purification gas discharge valve 123: purification bypass pipe
124: check valve 131: contaminated water discharge pipe
132: wastewater purifier 141: level sensor
142: level gauge 211: purification container
210: smoke product 212: smoke container
213: first smoke supply pipe 214: second smoke supply pipe
221: flow control valve 222: smoke detection sensor
223: smoke detection controller 231: mixer
341: purified water supply pipe 342: smoke supply pipe
343: supply control valve 344: supply controller
311: sludge storage container 310: decomposition product
312: decomposition product container 313: vacuum pump
314: decomposition product supply pipe 315: suction
316: float 321: temperature measuring sensor
322 temperature controller 331 agitator
410: compound 411: compound storage container
412: first supply pipe 413: second supply pipe
414: circulation pipe 421: supply pump
422: supply control valve 423: integrated controller

Claims (2)

In the toxic gas purification device,
It is formed in the middle of the body 111, tubular, supply waste gas into which toxic gas enters
Tube 112;
It is formed on the upper side of the body, tubular, purge gas discharged from the purified purge gas
Exit 113 ;,
An injection nozzle 114 formed in the body and spraying purified water;
A water tank 115 formed below the body and collecting contaminated water;
Purification container 211 for supplying purified water to the injection nozzle;
Receiving the smoke product 210 therein, the smoke product in the injection nozzle or purifier
Smoke supply container 212 to supply ;,
A first smoke supply pipe 213 for supplying smoke products of the smoke container to the purification container;
A second smoke supply pipe 214 for directly sending the smoke of the smoke container to the injection nozzle;
A flow control valve 221 mounted to the first and second smoke supply pipes;
Smoke detection sensor 222 mounted to the purge gas discharge pipe ;,
A smoke detection controller 223 for controlling the amount of smoke input by controlling the flow control valve according to the measurement information of the smoke detection sensor;
The sludge storage container 311 is trapped in the tank, the colored smoke of the waste gas smoked by the smoke is collected into the sludge 100, the suction and receiving the sludge;
The decomposition product container 312 accommodates the decomposition product 310 therein, and the decomposition product is supplied to the sludge storage container;
Gas analysis sensor 121 is installed on the purification gas discharge pipe ;,
A purge gas discharge valve 122 formed in the purge gas discharge pipe;
A purge bypass pipe 123 communicating with the purge gas discharge pipe and the waste gas supply pipe 112;
The bottom of the tank is a polluted water discharge pipe 131 for polluted water discharge;
Waste water purifier 132 in communication with the contaminated water discharge pipe;
And a check valve (124) mounted on the purification bypass pipe.
The method according to claim 1,
A compound storage container 411 for sucking and receiving the compound 410 generated by the sludge and the decomposition product in the sludge storage container;
A first supply pipe 412 through which the compound storage container and the smoke storage container communicate;
A second supply pipe 413 through which the compound storage container and the water tank communicate;
And a circulation pipe (414) for supplying the compound of the tank to the injection nozzle.

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