WO2016153096A1 - 난분해성 유해가스 소각처리를 위한 에너지 절약형 연소장치 및 이의 운전방법 - Google Patents
난분해성 유해가스 소각처리를 위한 에너지 절약형 연소장치 및 이의 운전방법 Download PDFInfo
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- WO2016153096A1 WO2016153096A1 PCT/KR2015/002964 KR2015002964W WO2016153096A1 WO 2016153096 A1 WO2016153096 A1 WO 2016153096A1 KR 2015002964 W KR2015002964 W KR 2015002964W WO 2016153096 A1 WO2016153096 A1 WO 2016153096A1
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- porous body
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- incineration
- waste gas
- combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/007—Supplying oxygen or oxygen-enriched air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/70—Blending
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
- F23G2207/101—Arrangement of sensing devices for temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Definitions
- the present invention relates to a combustion apparatus 110 for incineration of hardly decomposable harmful gas and an incineration method using the combustion apparatus 110. More specifically, it is used and discharged in semiconductor and display manufacturing processes
- PFCs gas commonly used in semiconductor and display fabrication process is the warming potential as a greenhouse gas causing global warming be released into the atmosphere through a suitable treatment plant reaches to several thousands to tens of thousands-fold compared to CO 2.
- a scrubber which is a gas purifier for discharging and safely removing the hardly decomposable harmful gas, is installed in the exhaust line of the semiconductor facility.
- These hardly decomposable harmful gases are diluted with concentrations of several hundred to several thousand ppm or less together with nitrogen (N 2 ), which is a working fluid of a vacuum pump used to maintain negative pressure in a process, and then flows into a scrubber.
- N 2 nitrogen
- PFCs, SF 6 and NF 3 are combined with fluorine and then decomposed and discharged in the form of fluorine (F 2 ) and hydrofluoric acid (HF). These are also highly toxic explosive gases, which require post-treatment and generally require water. It is discharged after washing reaction by using.
- F 2 decomposed through the oxidation reaction mainly reacts with the surrounding water or H 2 O, a product after combustion, and is discharged in the form of HF (g) or HF (l).
- scrubbers for removing semiconductor waste gases in the semiconductor manufacturing process can be classified into three categories.
- Third, as a direct combustion wet type the waste gas is incinerated through combustion of natural gas or propane, and is also called a burn-wet scrubber by collecting water-soluble gas and particles using water.
- the semiconductor waste gas is mainly a silicon-containing gas (SiF 4 , SiH 4, etc.) is introduced in large quantities at the same time with the PFCs, when using the wet wet scrubber or burn wet method has a characteristic that a large amount of powder is generated inside the scrubber. .
- a silicon-containing gas SiF 4 , SiH 4, etc.
- the powder generated after the combustion of the semiconductor waste gas as described above has a more rigid structure as it gradually deposits thicker with time over the inner wall of the combustion chamber by the attractive force and the frictional force.
- Combustion incineration uses fossil fuels (eg LNG) and has problems of securing low PFCs' processing efficiency and flame stability (incineration stability) and reducing post-combustion products (eg NOx, CO).
- Catalytic decomposition has problems of poisoning catalysts due to high concentrations of acid gases (HF, HCL, etc.), increasing operating costs due to short catalyst replacement cycles, and raising system pressures for particle inflow.
- HF acid gases
- thermal plasma incineration and electrothermal pyrolysis use electricity as an energy source, consume excessive power energy compared to the processing capacity, and thermal plasma incineration causes frequent replacement due to the absence of durable torch materials. Occurs, and there is a problem that the auxiliary equipment (transformer, etc.) due to the power increase when the high capacity is processed, and the electrolysis method has a short replacement cycle due to the heating element durability problem (electric heater etching), difficult to heat high temperature above 1600 °C there is a problem.
- the scrubber 1 for processing semiconductor waste gas 1 includes a plurality of waste gas inlets 112 connected to a semiconductor manufacturing process line, a burner 5 connected to the waste gas inlet 112, and the burner 5.
- Combustion apparatus 110 coupled to the water tank tank 4 is coupled to the lower end of the combustion apparatus 110 to collect and precipitate the powder produced in the combustion apparatus 110 in water, and the combustion apparatus 110 And a wet tower (3) for treating the fine powder and the water-soluble gas that have passed through the combustion apparatus (110) with water by being combined together with the tank (4).
- the combustion device 110 and the wet tower 3 may be connected to each other by a separate connection pipe, the discharge pipe is formed on the upper portion of the wet tower (3).
- the scrubber system 1 for processing semiconductor waste gas is supplied with various kinds of waste gases from the semiconductor manufacturing process line through the waste gas inlet 112.
- the waste gas supplied through the waste gas inlet 112 is supplied to the combustion device 110 through the burner 5.
- the waste gas inside the combustion device 110 is burned by the burner 5, and a large amount of hydrofluoric acid, fluorine, and powder are generated by the combustion.
- the relatively heavy powder falls down by gravity, and the dropped powder is precipitated in water in the lower tank 4.
- the relatively light fine powder that does not fall into the tank tank (4) is moved to the wet tower (3) through a connection pipe connected between the combustion device 110 and the wet tower (3).
- the fine powder moved to the wet tower 3 is collected by the water again in the wet tower 3, and the collected fine powder falls back to the water tank 4 and is precipitated in water.
- the purified waste gas passing through the wet tower 3 is discharged to the atmosphere through the discharge pipe.
- the waste gas in order to incinerate the waste gas, it must be oxidized at a high temperature of at least 1,600 ° C. (CF 4 case) or higher, and as mentioned above, the waste gas is diluted with more than 99% of an inert gas (mostly N 2 ) to a scrubber. Since it is injected into and incinerated, there is a problem that the inert gas that is not necessary to be treated has to be heated, and thus, there is a problem that the energy utilization efficiency is very low as well as the treatment efficiency.
- an inert gas mostly N 2
- fuel and oxidant are burned through a nozzle attached to a combustion device 110 existing inside a scrubber through a fuel inlet 111 and an oxidant inlet 113. After being supplied to the device 110, it is ignited to form a nozzle-attached flame, and the waste gas is introduced into the combustion device 110 through a separate additional waste gas inlet 112.
- Figure 2 shows a schematic diagram of the waste gas and the flame generated a conventional rotary flow.
- Figure 3 shows a schematic diagram of the flame sprayed to deviate from the flow of the conventional waste gas
- Figure 4 shows the flame picture of FIG.
- the waste gas introduced into the combustion device 110 is heated and oxidized while flowing side by side or at an angle with the flame.
- FIG. 3 the mixing of the hot flame and the waste gas is slowed down so that a swirl, i.e., a rotating flow is generated (mixing enhancement mode) for the purpose of promoting the mixing, or as shown in Figs.
- a method cross-flow method in which the injection direction of the fuel and oxidant nozzles is displaced from the flow direction of the waste gas so that the waste gas strikes the high-temperature flame may be used.
- Patent Document 0001 Republic of Korea Registered Patent No. 0750406
- Patent Document 0002 Republic of Korea Registered Patent No. 0623368
- Patent Document 0003 Republic of Korea Patent Publication No. 2013-0086925
- Patent Document 0004 Republic of Korea Patent Publication No. 2005-0044309
- Patent Document 0005 Republic of Korea Patent Publication No. 2005-0113159
- the present invention has been made to solve the conventional problems as described above, in the combustion device 110 for incineration of hardly decomposable harmful gas can achieve high efficiency and high energy utilization efficiency, It is an object of the present invention to provide a combustion apparatus 110 and an incineration method using the combustion apparatus 110 for incineration of a hardly decomposable harmful gas which minimizes and allows all waste gases to sufficiently reach a high temperature at which it can be decomposed. do.
- an object of the present invention is to provide a combustion apparatus 110 for incineration of hardly decomposable noxious gases which can easily achieve high temperature combustion of excess enthalpy and an incineration method using the combustion apparatus 110.
- An object of the present invention is to provide an incineration method using the apparatus 110 and the combustion apparatus 110 thereof.
- the flame surface 143 is not formed to form the flame surface 143 inside the porous body in order to effectively form the space, and a portion of the porous body moves to secure a space for forming the flame surface 143.
- An object of the present invention is a combustion device (110) provided in a scrubber system (1) for incineration of waste gas, wherein the combustion device (110) is provided with a first porous body (141), a second porous body (142), and the inside.
- An igniter for forming the flame surface 143 wherein the flame surface 143 formed by the igniter is disposed between the first porous body 141 and the second porous body 142, the flame surface ( At least one of the first porous body 141 and the second porous body 142 to move to form a 143 to produce an excess enthalpy flame, combustion apparatus 110 for incineration of difficult-decomposable noxious gas Can be achieved as
- the combustion device 110 has a combustion device 111, a waste gas inlet 112, and an oxidant inlet 113 is formed at one end, the discharge port 150 in which the waste gas incinerated waste gas is discharged at the other end It may be characterized in that formed.
- one end of the combustion device 111, the waste gas inlet 112, and the oxidant inlet 113 is the upper portion in the combustion device 110, the other end formed with the outlet 150 for exhaust gas discharge is lower It may be characterized by.
- a pre-mixer for mixing the fuel introduced through the combustion device 111, the waste gas introduced through the waste gas inlet 112, and the oxidant introduced through the oxidant inlet 113 to produce a mixed gas. It may be characterized in that it further comprises.
- the separator may be further provided between the premixer and the porous combustor 110 to uniformly introduce the gas mixed in the premixer into the porous combustor 110.
- first porous body 141 and the second porous body 142 may be introduced to the stop of the combustion device 110.
- the first porous body 141 and the second porous body 142 may be configured to be in contact with all inner walls of the combustion apparatus 110, so that the mixed gas passes through the porous body.
- the mixed gas may be in contact with the first porous body 141, the flame surface 143 and the second porous body 142 in order, the first porous body that the mixed gas is first contacted (
- the pore size of the second porous body 142 may be larger than the pore size of 141.
- an interval between the first porous body 141 and the second porous body 142 may increase in an ignition step for forming the flame surface 143. It may further comprise means for measuring the temperature of the flame surface 143 of the ignition step. If the measured temperature of the flame surface 143 is greater than or equal to a predetermined temperature, the distance between the first porous body 141 and the second porous body 142 may decrease.
- first porous body 141 and the second porous body 142 may be composed of at least one of a ceramic honeycomb, a ceramic foam, and a ceramic ball bed.
- the oxidant introduced through the oxidant inlet may be characterized in that the oxygen or air.
- the incoming waste gas may be characterized by including a hardly decomposable noxious gas discharged from a semiconductor or display manufacturing process and an inert gas for diluting the noxious gas.
- another object of the present invention is a scrubber system (1), characterized in that it comprises the combustion device (110).
- the fuel, waste gas, oxidant is introduced into the combustion device 110, respectively It can be characterized as including five additional steps.
- the introduced fuel, waste gas, oxidant may further include a mixing step of preparing a mixed gas by introducing a pre-mixer, after the mixing step, between the pre-mixer and the first porous body 141
- the mixing gas may further include a step in which the mixed gas is uniformly introduced into the first porous body 141 through the distributor.
- the introduced fuel, waste gas, oxidant may be characterized in that it comprises the step of contacting the first porous body 141, the flame surface 143, and the second porous body 142 in the order.
- the temperature of the flame surface 143 when the temperature of the flame surface 143 is lowered while the introduced fuel, waste gas, and oxidant pass through the flame surface 143, further comprising the step of blocking the inflow of fuel, waste gas, oxidant, Increasing the distance between the first porous body and the second porous body in a blocked state; Forming a flame surface (143) further with an igniter existing between the first porous body (141) and the second porous body (142); Measuring the temperature of the flame surface (143); If the temperature of the flame surface 143 is greater than or equal to a predetermined temperature, the step of reducing the interval between the first porous body 141 and the second porous body 142; may be further characterized.
- a combustor for incineration of hardly decomposable harmful gas in the design of a combustor for incineration of hardly decomposable harmful gas, it is possible to achieve high processing efficiency and high energy utilization efficiency, and all waste gases can be decomposed while minimizing fuel consumption. It has the effect of being able to reach a high enough temperature.
- thermal recirculation is generated by conduction and radiant heat transfer of the porous body itself, and ultimately has an effect of easily achieving excess enthalpy combustion. .
- waste gas excessively diluted with an inert gas is mixed with fuel and an oxidant, and then supplied into the porous body to be incinerated, so that internal combustion can be reached by conventional combustion technology. Since it is incinerated by a very high temperature flame, it is possible to improve the treatment efficiency of the waste gas, and because it can be treated with only a small amount of fuel, it has the effect of improving the energy utilization efficiency.
- the porous body is moved in order to effectively form the flame at the beginning.
- the flame surface 143 is formed in the porous body, it takes a long time until the temperature is stabilized and the efficiency is reduced. Therefore, in the present study, the flame surface 143 is not formed to form the flame surface 143 inside the porous body in order to effectively form the space, and a portion of the porous body moves to secure a space for forming the flame surface 143. In this case, sufficient space for forming the flame surface 143 is secured to have the effect of efficiently forming the flame surface 143 within a short time.
- FIG. 1 is a front view of a scrubber system 1 for treating waste gas in the related art.
- Figure 2 is a schematic diagram of the waste gas and the flame generated a conventional rotational flow
- Figure 3 is a schematic diagram of the flame sprayed to deviate from the flow of the conventional waste gas
- FIG. 4 is a flame picture of FIG. 3
- FIG 5 is a flow chart of a waste gas treatment method using a combustion apparatus 110 for incineration of indigestible harmful gas according to an embodiment of the present invention.
- FIG. 7 is a graph showing a theoretical temperature (enthalpy) of waste gas flowing through a conventional combustion apparatus 110 and a temperature (enthalpy) of waste gas flowing through a combustion apparatus 110 according to an embodiment of the present invention. will be.
- first porous body 142 second porous body 150: discharge port
- Figure 3 shows a flow chart of the waste gas treatment method using the combustion device 110 for the incineration of difficult-decomposable harmful gas according to an embodiment of the present invention.
- 6 illustrates an operation step of the combustion device 110 for incineration of the hardly decomposable noxious gas according to the first embodiment of the present invention.
- the combustion apparatus 110 for incineration of the hardly decomposable noxious gas includes a combustion apparatus 111, a waste gas inlet unit, and an oxidant inlet unit at one end.
- the other end includes a discharge port 150 through which the waste gas incinerated waste gas is discharged, and includes a first porous body 141, a second porous body 142, and a flame surface 143 at the stop portion.
- the second porous body 142 is moved to increase the distance between the first porous body 141 and the second porous body 142. As the distance between the first porous body 141 and the second porous body 142 increases, a space for forming the flame surface 143 is secured, and sufficient air is supplied to form the flame surface 143 so that the flame surface ( 143) can be efficiently formed within a short time.
- the second porous body 142 is moved to the first porous body 141 again for incineration treatment, so that the first porous body 141 and The spacing of the second porous body 142 is reduced.
- the premixer includes a premixer in which the fuel introduced through the combustion device 111, the waste gas introduced through the waste gas inlet unit, and the oxidant introduced through the oxidant inlet unit 113 are mixed.
- the mixed gas is introduced into the porous combustor.
- Combustion apparatus 110 for incineration of the hardly decomposable noxious gas according to the first embodiment of the present invention is provided with a distributor between the premixer and the ceramic porous body combustion apparatus 110, the gas mixed in the premixer It is possible to uniformly flow into the ceramic porous body combustor.
- the porous body combustion apparatus 110 is composed of a ceramic porous body having pores of a specific size, such a ceramic porous body is configured to be in contact with all the inner wall of the stop side of the combustion device 110, which is introduced from the distributor All premixed gases are configured to pass through the porous body.
- a flame is formed on the center surface in the thickness direction of the porous body.
- the ceramic porous body constituting the combustion device 110 is preferably composed of at least one of a ceramic honeycomb, a ceramic foam, and a ceramic ball bed.
- the combustion apparatus 110 for incineration of the hardly decomposable harmful gas of the present invention may include a heat insulating layer for insulating the outer wall of the combustor body.
- the waste gas introduced through the waste gas inlet includes a hardly decomposable harmful gas discharged from a semiconductor or display manufacturing process and an inert gas for diluting the harmful gas.
- the combustion device 111 formed on one end of the combustor body, waste gas inlet, oxidant Fuel, waste gas, and oxidant are introduced into the premixer provided in the combustor body through the inlet 113.
- the oxidant flowing through the oxidant inlet is preferably oxygen for high temperature reactions, but because it can achieve thermal recirculation and excess enthalpy combustion, in some cases the amount of inert gas to which the hardly degradable noxious gas is diluted is relatively high.
- LNG, LPG was used as the fuel flowing through the combustion device 111.
- the premixer premixes the introduced waste gas, fuel, and oxidant.
- a premixer may be integrated with the porous combustion apparatus 110, or may be combined into an independent device.
- the gas mixed in the premixer is uniformly introduced into the porous body combustor 110. All of the premixed gas passes through the ceramic porous body combustor composed of the porous body provided in the combustor body 110, and the waste gas is incinerated by the flame formed in the ceramic porous body combustion device 110.
- Porous combustion apparatus 110 composed of a porous body is the core configuration of the present invention, as mentioned above, the first porous body 141 and the second porous body (141) in the ignition step for forming the flame surface 143 ( 142 increases the spacing, if the flame surface 143 is formed and the temperature of the flame surface 143 is more than a predetermined temperature, the interval between the first porous body 141 and the second porous body 142 is reduced to incineration Will be implemented.
- FIG. 7 is a graph showing a theoretical temperature (enthalpy) of waste gas flowing through a conventional combustion apparatus 110 and a temperature (enthalpy) of waste gas flowing through a combustion apparatus 110 according to an embodiment of the present invention.
- the maximum temperature a fuel and oxidant can achieve by burning when there is no heat loss to the outside is called adiabatic flame temperature, which is heated from hot combustion gas to cold unburned gas.
- adiabatic flame temperature which is heated from hot combustion gas to cold unburned gas.
- high temperatures above the single flame temperature can be achieved, which is referred to as excess enthalpy combustion.
- thermal recycling is generated by conduction and radiative heat transfer of the porous body itself and ultimately Excess enthalpy combustion can be easily achieved.
- the incineration of hardly decomposable harmful gas if the waste gas excessively diluted with an inert gas is mixed with fuel and an oxidant, and then fed into the porous body for incineration, the ultra-high temperature which cannot be reached by conventional combustion technology by internal heat recycling is incinerated. Incineration by the flame can improve the treatment efficiency of the waste gas and can also be processed with a small amount of fuel, thereby improving the energy use efficiency. That is, for example, about 50LPM LNG is usually required to process about 200LPM hardly decomposable harmful gas, but the same amount of harmful gas is used when the apparatus equipped with the ceramic porous body combustor according to an embodiment of the present invention is used. It will take about 20LPM LNG to process.
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Abstract
Description
Claims (23)
- 폐가스를 소각시키기 위한 스크러버 시스템(1)에 구비되는 연소장치(110)에 있어서, 상기 연소장치(110)는 제1 다공체(141), 제2 다공체(142) 및 내부에 화염면(143)을 형성시키기 위한 점화기를 포함하고, 상기 점화기에 의해서 형성된 상기 화염면(143)은 상기 제1 다공체(141) 및 상기 제2 다공체(142) 사이에 배치되고, 상기 화염면(143)을 형성시키기 위하여 상기 제1 다공체(141) 및 상기 제2 다공체(142) 중 적어도 하나가 이동하여 초과엔탈피 연소를 수행하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제1항에 있어서,상기 연소장치(110)는 일단에 연소장치(111), 폐가스유입부(112), 및 산화제유입부(113)가 형성되고, 타단에 폐가스가 소각된 배출가스가 배출되는 배출구(150)가 형성된 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제2항에 있어서,연소장치(111), 폐가스유입부(112), 및 산화제유입부(113)가 형성된 일단은 연소장치(110)에 상부이고, 배출가스가 배출되는 배출구(150)가 형성된 타단은 하부인 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제3항에 있어서,상기 연소장치(111)를 통해 유입되는 연료, 상기 폐가스유입부(112)를 통해 유입되는 폐가스, 및 상기 산화제유입부(113)를 통해 유입되는 산화제를 혼합하여 혼합기체를 제조하는 예혼합기를 추가로 포함하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제4항에 있어서,상기 예혼합기와 상기 다공체 사이에 구비되어, 상기 예혼합기에서 혼합된 기체를 균일하게 상기 다공체 연소장치(110)로 유입시키는 분배기를 더 포함하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제4항에 있어서,상기 제1 다공체(141) 및 상기 제2 다공체(142)는 상기 연소장치(110)의 중단부에 도입되는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제6항에 있어서,상기 제1 다공체(141) 및 상기 제2 다공체(142)는 연소장치(110) 내부의 모든 내벽에 접하여 구성되어, 상기 혼합기체가 상기 다공체를 통과하도록 구성되는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제7항에 있어서,상기 혼합기체가 상기 제1 다공체(141), 상기 화염면(143) 및 상기 제2 다공체(142)를 순서로 접하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제1항에 있어서,상기 제1 다공체(141)의 기공크기 보다 상기 제2 다공체(142)의 기공크기가 큰 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제1항에 있어서,상기 화염면(143)을 형성시키기 위한 점화단계에서 상기 제1 다공체(141) 및 상기 제2 다공체(142)의 간격이 증가하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제10항에 있어서,상기 점화단계의 상기 화염면(143)의 온도를 측정하기 위한 수단을 포함하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제11항에 있어서,상기 화염면(143)의 온도가 소정의 온도 이상이면 상기 제1 다공체(141) 및 상기 제2 다공체(142)의 간격이 감소하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제1항에 있어서,상기 제1 다공체(141) 및 상기 제2 다공체(142)는 세라믹 허니컴, 세라믹 폼 및 세라믹 볼 베드 중 적어도 어느 하나로 구성되는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제4항에 있어서,상기 산화제 유입구를 통해 유입되는 산화제는 산소 또는 공기인 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제4항에 있어서,상기 폐가스는 반도체 또는 디스플레이 제조공정에서 배출되는 난분해성 유해가스 및 상기 유해가스를 희석시키기 위한 불활성 가스를 포함하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110).
- 제1항 내지 제15항 중 어느 한 항의 연소장치(110)를 포함하는 것을 특징으로 하는 스크러버 시스템(1)
- 폐가스를 소각시키기 위한 스크러버 시스템(1)에 구비되는 연소장치(110)를 이용한 폐가스 처리 방법에 있어서,연소장치(110)를 구동하기 위하여 연소장치(110)의 중단부에 포함된 제1 다공체(141) 및 제2 다공체(142)의 간격을 증가하는 제1단계;상기 제1 다공체(141) 및 상기 제2 다공체(142)의 사이에 존재하는 점화기에 의해 화염면(143)을 형성하는 제2단계;상기 화염면(143)의 온도를 측정하는 제3단계; 및상기 화염면(143)의 온도가 소정의 온도 이상이면 상기 제1 다공체(141) 및 상기 제2 다공체(142)의 간격을 감소시키는 제4단계;를 포함하여 초과 엔탈피 화염을 생성시키는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110)를 이용한 폐가스 처리 방법.
- 제17항에 있어서,연소장치(110) 일단에 형성된 연소장치(111), 폐가스유입부(112), 및 산화제유입부(113)를 통해 각각 연료, 폐가스, 산화제가 상기 연소장치(110) 내부로 유입되는 제5단계를 포함하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110)를 이용한 폐가스 처리 방법.
- 제18항에 있어서,상기 유입된 연료, 폐가스, 산화제를 예혼합기로 도입되어 혼합기체가 제조되는 혼합단계를 추가로 포함하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110)를 이용한 폐가스 처리 방법.
- 제19항에 있어서,상기 혼합단계 이후에, 상기 예혼합기와 상기 제1 다공체(141) 사이에 구비된 분배기를 상기 혼합기체가 통과하여 상기 제1 다공체(141)로 혼합기체가 균일하게 유입되는 단계를 추가로 포함하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110)를 이용한 폐가스 처리 방법.
- 제18항에 있어서,상기 유입된 연료, 폐가스, 산화제가 제1 다공체(141), 화염면(143), 및 제2 다공체(142) 순서로 접하는 단계를 포함하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110)를 이용한 폐가스 처리 방법
- 제21항에 있어서,상기 유입된 연료, 폐가스, 산화제가 상기 화염면(143)을 통과하면서 상기 화염면(143)의 온도가 저하되는 경우, 연료, 폐가스, 산화제의 유입을 차단하는 단계를 추가로 포함하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110)를 이용한 폐가스 처리 방법.
- 제22항에 있어서,상기 연료, 폐가스, 산화제의 유입을 차단한 상태에서 상기 제1 다공체(141) 및 제2 다공체(142)의 간격이 증가되는 단계; 상기 제1 다공체(141) 및 상기 제2 다공체(142)의 사이에 존재하는 점화기로 추가로 화염면(143)을 형성하는 단계; 상기 화염면(143)의 온도를 측정하는 단계; 상기 화염면(143)의 온도가 소정의 온도 이상이면 상기 제1 다공체(141) 및 상기 제2 다공체(142)의 간격을 감소시키는 단계;를 추가로 포함하는 것을 특징으로 하는 난분해성 유해가스의 소각처리를 위한 연소장치(110)를 이용한 폐가스 처리 방법.
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US15/035,963 US10465905B2 (en) | 2015-03-26 | 2015-03-26 | Energy saving combustion device for burning refractory hazardous gas and method for operating the same |
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KR100666673B1 (ko) * | 2005-05-03 | 2007-01-09 | 주식회사 케이피씨 | 폐가스 연소용 버너 및 이를 이용한 가스 스크러버 |
KR200405303Y1 (ko) * | 2005-10-27 | 2006-01-10 | 주식회사 글로벌스탠다드테크놀로지 | 폐가스 정화처리 장치 |
KR101029572B1 (ko) * | 2009-12-28 | 2011-04-18 | 한국에너지기술연구원 | 세라믹 섬유 다공체 내 연소를 이용한 열광전 발전장치 |
KR101270286B1 (ko) * | 2011-04-08 | 2013-06-04 | 백민주 | 유해가스 차단설비의 연소장치 |
KR101494623B1 (ko) * | 2013-11-12 | 2015-02-24 | 한국에너지기술연구원 | 난분해성 유해가스의 소각처리를 위한 연소 장치 및 그 연소장치를 이용한 처리방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10465905B2 (en) | 2015-03-26 | 2019-11-05 | Korea Institute Of Energy Research | Energy saving combustion device for burning refractory hazardous gas and method for operating the same |
Also Published As
Publication number | Publication date |
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CN106211790A (zh) | 2016-12-07 |
KR20160146833A (ko) | 2016-12-21 |
US10465905B2 (en) | 2019-11-05 |
US20170102143A1 (en) | 2017-04-13 |
KR101797731B1 (ko) | 2017-11-15 |
CN106211790B (zh) | 2018-06-22 |
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