KR20060126885A - Hot blast producing system using waste heat of regenerative thermal oxidizer - Google Patents

Hot blast producing system using waste heat of regenerative thermal oxidizer Download PDF

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KR20060126885A
KR20060126885A KR1020060115225A KR20060115225A KR20060126885A KR 20060126885 A KR20060126885 A KR 20060126885A KR 1020060115225 A KR1020060115225 A KR 1020060115225A KR 20060115225 A KR20060115225 A KR 20060115225A KR 20060126885 A KR20060126885 A KR 20060126885A
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pipe
hot air
combustion chamber
combustion
hot blast
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KR1020060115225A
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Korean (ko)
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KR100709749B1 (en
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유문하
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주식회사세진환경
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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
    • F23L15/00—Heating of air supplied for combustion
    • F23L15/02—Arrangements of regenerators
    • 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
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • 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
    • F23G7/066—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 preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
    • F23G7/068—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 preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/20—Waste heat recuperation using the heat in association with another installation
    • F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
    • 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
    • Y02E20/12—Heat utilisation in combustion or incineration of waste
    • 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

Abstract

A hot blast producing system is provided to significantly reduce costs by using waste heat bypassed from a combustion chamber as hot blast for a dryer in an industrial field. A hot blast producing system comprises a combustion chamber(10) for burning noxious gas; a plurality of thermal accumulation chambers(20) arranged in a lower portion of the combustion chamber, shield by a separation wall, and equipped with a thermal accumulation material(21); and a channel converting unit(70) for connecting a noxious gas inlet pipe(33) and a clean air outlet pipe(36) to each thermal accumulation chamber. The combustion chamber is equipped with an overheat prevention bypass pipe. The hot blast producing system further includes a hot air mixer(41) and a hot blast pipe(42). The hot air mixer is connected with a bypass recovery pipe(31) directly extracted outwardly from the combustion chamber and an exhaust branch pipe(37) branched off from the clean air outlet pipe, so that the hot air mixer mixes air of high temperature variation. The hot blast pipe is connected to the hot air mixer, and supplies mixed hot blast to a dryer(2).

Description

축열식 연소산화장치의 폐열활용 열풍생산 시스템{HOT BLAST PRODUCING SYSTEM USING WASTE HEAT OF REGENERATIVE THERMAL OXIDIZER}HOT BLAST PRODUCING SYSTEM USING WASTE HEAT OF REGENERATIVE THERMAL OXIDIZER}

도 1은 축열식 연소산화장치의 개념도1 is a conceptual diagram of a regenerative combustion oxidizer

도 2는 종래 기술의 구성도2 is a block diagram of a prior art

도 3은 본 발명에 따른 일 실시예의 구성도3 is a block diagram of an embodiment according to the present invention

*도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1: 본 발명의 축열식 연소산화장치의 폐열이용 시스템.1: Waste heat utilization system of the regenerative combustion oxidation apparatus of the present invention.

10: 연소실 20: 축열실 21: 축열재10: combustion chamber 20: heat storage chamber 21: heat storage material

31: 바이패스 회수관 33: 유해가스 유입관 36: 청정공기 배기관31: bypass recovery pipe 33: harmful gas inlet pipe 36: clean air exhaust pipe

37: 배기분기관 41: 열기혼합장치 42: 열풍관37: exhaust pipe 41: hot air mixing device 42: hot air pipe

42a: 메인열풍관 42b: 서브열풍관 43: 유량조절밸브42a: main hot air pipe 42b: sub hot air pipe 43: flow control valve

45: 공기주입밸브 47: 송풍팬 70: 유로전환수단45: air injection valve 47: blowing fan 70: flow path switching means

2: 건조기 3: 열풍기2: dryer 3: hot air fan

본 발명은 축열식 연소산화장치에 관한 것으로서, 특히 연소실에서 바이패스되는 폐열이 해당 산업현장에서의 필요로하는 건조기의 열풍으로 활용되어 전기에너지 및 산업설비의 운용비용을 획기적으로 절감시켜주도록 하는 축열식 연소산화장치의 폐열활용 열풍생산 시스템에 관한 것이다.The present invention relates to a regenerative combustion oxidizer, and in particular, the waste heat bypassed in a combustion chamber is utilized as a hot air of a dryer required in a corresponding industrial site, so that the regenerative combustion can significantly reduce the operating cost of electric energy and industrial equipment. It relates to a waste heat utilization hot air production system of the oxidizer.

일반적으로 휘발성 유기화합물질(VOC)은 유해대기물질, 악취의 원인물질로 호흡기관 장애, 발암물질 유발 등 인체에 대한 유해성을 갖는 것 이외에도 광화학 반응을 통한 스모그의 형성, 악취발생의 원인물질로 환경오염을 일으키고 있다.In general, volatile organic compounds (VOCs) are harmful substances and odor causing substances. In addition to harmful substances such as respiratory tract disorders and carcinogens, the volatile organic compounds (VOCs) can form smog through photochemical reactions and cause odors. It is causing pollution.

이러한 유기화합물질을 이용하는 공장에서 발생되는 유해가스를 제거하는 방법은 여러가지가 있으며, 그 중에서 본 발명과 관계되는 연소산화기술의 일종인 축열식 연소산화장치(R.T.O)가 대표적인 방법이다. There are many methods for removing harmful gases generated in a plant using such organic compounds, and among them, a regenerative combustion oxidation apparatus (R.T.O), which is a kind of combustion oxidation technology related to the present invention, is a representative method.

축열식 연소산화장치(R.T.O)는 유기화학물질을 연소 산화시켜 제거하는 연소장치로서 에너지를 효율적으로 이용하기 위하여 유해가스의 연소실에서 배출되는 가열공기의 열을 연소실로 유입되는 유해가스가 포함된 공기의 예열에 재활용하여 에너지의 허실을 최소화하도록 하는 장치이다.Regenerative combustion oxidizer (RTO) is a combustion device that burns and oxidizes and removes organic chemicals. In order to use energy efficiently, heat of heated air discharged from combustion chamber of harmful gas is introduced into the combustion chamber. It is a device to minimize the loss of energy by recycling in preheating.

도 1은 이와 같은 축열식 연소산화장치의 개념도로서, 연소실에 인접하여 축열재가 충진된 축열실을 다수 구비하고 유해가스의 연소 싸이클이 좌측에 도시된 제1싸이클{유해가스가 포함된 공기의 유입 - 예열(축열실 1) - 연소(연소실) - 축열(축열실 2) - 배기}과, 우측에 도시된 제2싸이클{유해가스가 포함된 공기의 유입 - 예열(축열실 2) - 연소(연소실) - 축열(축열실 1) - 배기}이 연속 교체되도록 하 는 것이다.1 is a conceptual diagram of such a regenerative combustion oxidation apparatus, which includes a plurality of regenerative chambers filled with a regenerative material adjacent to a combustion chamber and a combustion cycle of harmful gas shown on the left side (inflow of air containing harmful gases) Preheating (heat storage chamber 1)-Combustion (combustion chamber)-Heat storage (heat storage chamber 2)-Exhaust}, and the second cycle {influx of air containing harmful gas shown on the right-Preheating (heat storage chamber 2)-Combustion (combustion chamber) )-Heat storage (heat storage room 1)-exhaust method is to be replaced continuously.

상기 구성을 제 1싸이클의 연소실을 기점으로 살펴보면, 연소실에서 유해가스가 소각되고 배출되는 뜨거운 온도의 청정공기가 축열재가 충진된 축열실 2를 통과하면서 축열실 2의 온도를 약 800 ℃로 가열시켜주며 배출된다.Looking at the above configuration from the combustion chamber of the first cycle, by heating the temperature of the heat storage chamber 2 to about 800 ℃ while passing through the heat storage chamber 2 filled with the heat storage material is the clean air of the hot temperature incinerated and discharged harmful gas from the combustion chamber And discharged.

다음에는 유입공기가 축열실 2를 통과하여 연소실로 유입되도록 함으로써 유해가스가 포함된 공기는 축열실 2의 축열재에 의하여 가열되어 연소실로 유입됨으로 보다 적은 에너지에 의하여 연소가 이루어진다. 이 때 상기 축열실 2의 온도는 유입공기에 의하여 약 410 ℃ 정도로 냉각된다. 연소실에서 연소가 이루어지고 배출되는 공기는 이번에는 축열실 1을 통과하면서 전 싸이클에서 약 410 ℃ 정도로 냉각된 축열실 1의 축열재를 가열시켜 주면서 배기가 이루어진다.Next, the inlet air passes through the heat storage chamber 2 and flows into the combustion chamber, so that the air containing the harmful gas is heated by the heat storage material of the heat storage chamber 2 and introduced into the combustion chamber. At this time, the temperature of the heat storage chamber 2 is cooled to about 410 ℃ by the inlet air. Combustion is performed in the combustion chamber and exhausted air is exhausted by heating the heat storage material of the heat storage chamber 1 which has been cooled to about 410 ° C in all cycles while passing through the heat storage chamber 1.

이와 같이 축열식 연소산화장치는 연소싸이클이 축열실 1 및 축열실 2가 연소실의 유입구 및 배출구로 번갈아 교체되도록 구성됨으로써 유해가스 소각처리에 따르는 에너지를 효율적으로 운용토록 하는 것이다.As described above, the regenerative combustion oxidizer is configured such that the combustion cycle is alternately replaced with the inlet and the outlet of the combustion chamber 1 and the heat storage chamber 2 so that the energy of the noxious gas incineration process can be efficiently operated.

이와 같은 축열실 연소산화장치에 대하여 본 출원인은 특허등록 제0472222호를 비롯하여 다수건의 기술을 제안하여 탁월한 성과를 거두고 있으며 연구 개발을 꾸준히 진행하고 있다.With respect to such a heat storage combustion chamber, the present applicant proposes a number of technologies, including patent registration No. 0472222, has been excellent in performance, and is steadily progressing research and development.

한편, 휘발성 유기화합물질(VOC) 가스가 연소산화장치에 고농도로 유입되는 산업현장의 경우 연소실에서 발생되는 열량이 축열용량을 초과하게 되는데, 종래기술(100)에서는 도 2에 도시된 바와 같이, 연소실(110)로부터 초과열량을 바이패스관(130)을 통하여 직접 대기중으로 배출 폐기하고 있어 귀중한 에너지가 손실되는 문제점이 있었다.On the other hand, in the case of an industrial site in which volatile organic compound (VOC) gas is introduced into the combustion oxidation apparatus at a high concentration, the amount of heat generated in the combustion chamber exceeds the heat storage capacity. In the prior art 100, as shown in FIG. Since the excess heat from the combustion chamber 110 is discharged and disposed of directly into the atmosphere through the bypass pipe 130, there is a problem that valuable energy is lost.

다른 한편 이와 같은 축열식 연소산화장치가 설치되는 산업현장에는 일반적으로 열풍 건조기가 이 수반된다.On the other hand, industrial sites in which such regenerative combustion oxidizers are installed are generally accompanied by a hot air dryer.

그리고 이러한 건조기의 열풍공급은 주로 전기히터를 이용하는 열풍기에 의하여 이루어짐으로써 막대한 량의 전력이 소모되고 있다.In addition, the hot air supply of the dryer is mainly made by a hot air fan using an electric heater, and a huge amount of power is consumed.

한편, 종래에 청정공기 배기관의 열기를 이용하여 열풍을 용이하게 얻고자하는 노력이 시도된 바 있으나 60℃ 내외의 온도를 지닌 배기공기 열량으로서는 실효를 거둘 수 없었다.On the other hand, while efforts have been made to easily obtain hot air by using heat from a clean air exhaust pipe, the exhaust air heat having a temperature of about 60 ° C. has not been effective.

본 발명은 상기한 문제점을 해소하기 위하여 안출된 것으로서,The present invention has been made to solve the above problems,

본 발명의 목적은 연소실에서 바이패스되는 폐열이 해당 산업현장에서 필요로하는 건조기의 열풍으로 활용되어 전기에너지 및 산업설비의 운용비용을 획기적으로 절감시켜주도록 하는 축열식 연소산화장치의 폐열활용 열풍생산 시스템을 제공함에 있다.An object of the present invention is to use the waste heat bypassed from the combustion chamber as the hot air of the dryer required in the relevant industrial site to significantly reduce the operating cost of electrical energy and industrial equipment waste heat utilization hot air production system of the regenerative combustion oxidizer In providing.

상기한 목적을 달성하는 본 발명에 따른 축열식 연소산화장치의 폐열활용 열풍생산 시스템은 휘발성 유기화합물이 포함된 유해가스를 소각처리하기 위한 연소실, 상기 연소실 하부에 방사상 격벽으로 차단되고 축열재가 구비되는 복수의 축열 실, 상기 복수의 각 축열실에 유해가스 유입관 및 연소처리된 청정공기 배기관을 교차 연결하는 유로전환수단을 포함하여 구성되고 상기 연소실에 과열방지 바이패스관이 구비되는 축열식 연소산화장치에 있어서,Waste heat utilization hot air production system of the regenerative combustion oxidizer according to the present invention for achieving the above object is a combustion chamber for incineration of harmful gases containing volatile organic compounds, a plurality of heat shields are provided with a radial partition below the combustion chamber. And a flow path switching means for cross-connecting the harmful gas inlet pipe and the combustion-processed clean air exhaust pipe to each of the plurality of heat storage chambers, wherein the combustion chamber has an overheat prevention bypass pipe. In

상기 연소실에서 외부로 직접 인출되는 바이패스 회수관과 청정공기 배기관으로부터 분기 형성되는 배기분기관이 연결되어 온도편차가 큰 양측의 공기를 혼합하는 열기혼합장치가 구비되고,A hot air mixing device is connected to the bypass recovery pipe drawn out directly from the combustion chamber to the outside and the exhaust branch pipe branched from the clean air exhaust pipe to mix air of both sides having a large temperature deviation.

상기 열기혼합장치에 연결되고 별도의 건조기로 혼합 열풍을 공급하는 열풍관이 설치됨을 특징으로 한다.It is characterized in that the hot air pipe is connected to the hot air mixing device and supplies the mixed hot air to a separate dryer.

이하 본 발명의 축열식 연소산화장치의 폐열활용 열풍생산 시스템에 대한 실시예를 첨부도면을 참고하여 상세히 살펴 본다.Hereinafter, with reference to the accompanying drawings an embodiment of the waste heat utilization hot air production system of the regenerative combustion oxidation apparatus of the present invention will be described in detail.

도 3은 본 발명에 따른 일 실시예의 구성도이다.3 is a block diagram of an embodiment according to the present invention.

도 3에 도시된 바와 같이, 본 발명에 따른 일 실시예의 축열식 연소산화장치의 폐열활용 열풍생산 시스템(1)은 휘발성 유기화합물이 포함된 유해가스를 소각처리하기 위한 연소실(10), 상기 연소실(10) 하부에 방사상 격벽으로 차단되고 축열재(21)가 구비되는 복수의 축열실(20), 상기 복수의 각 축열실(20)에 유해가스 유입관(33) 및 연소처리된 청정공기 배기관(36)을 교차 연결하는 유로전환수단(70)을 포함하여 구성되고 상기 연소실(10)에 과열방지 바이패스관이 구비되는 축열식 연소산화장치에 있어서, 상기 연소실(10)에서 외부로 직접 인출되는 바이패스 회수관(31)과 청정공기 배기관(36)으로부터 분기 형성되는 배기분기관(37)이 연결되어 온도편차가 큰 양측의 공기를 혼합하는 열기혼합장치(41)가 구비되고, 상기 열기혼합장치(41)에 연결되고 별도의 건조기(2)로 혼합 열풍을 공급하는 열풍관(42)이 설치되는 것이다.As shown in FIG. 3, the waste heat utilization hot air production system 1 of the regenerative combustion oxidation apparatus according to the embodiment of the present invention includes a combustion chamber 10 for incineration of harmful gases containing volatile organic compounds, and the combustion chamber ( 10) a plurality of heat storage chamber 20 is blocked by a radial partition wall and provided with a heat storage material 21, the harmful gas inlet pipe 33 and the clean air exhaust pipe treated in each of the plurality of heat storage chamber 20 ( In the regenerative combustion oxidizer comprising a flow path switching means (70) for cross-connecting 36 and the overheat prevention bypass pipe is provided in the combustion chamber (10), the bypass is directly drawn out from the combustion chamber (10) to the outside. A heat mixing device 41 is connected to the exhaust branch pipe 37 branched from the path recovery pipe 31 and the clean air exhaust pipe 36 to mix air from both sides having a large temperature deviation. Connected to 41 and separate gun A hot air pipe 42 for supplying hot air to the mixing device 2 is to be installed.

여기서, 상기 바이패스 회수관(31)과 배기분기관(37)에는 각각 중앙 제어부에 의하여 조절되는 공기 유량조절밸브(43)가 하나 이상 설치됨이 바람직하다.Here, the bypass recovery pipe 31 and the exhaust branch pipes 37 are preferably provided with at least one air flow control valve 43, which is controlled by a central control unit.

또한, 상기 열풍관(42)은 상기 혼합장치(41)에 연결되는 메인열풍관(42a)과 상기 메인열풍관(42a)으로부터 분기되어 각 건조기(2)로 연결되는 복수의 서브열풍관(42b)으로 이루어지고, 상기 서브열풍관(42b)에는 중앙제어부에 의하여 조절되는 온도조절용 공기주입밸브(45)와 송풍팬(47)이 각각 설치된다.In addition, the hot air pipe 42 is a plurality of sub hot air pipe 42b branched from the main hot air pipe 42a connected to the mixing device 41 and the main hot air pipe 42a and connected to each dryer 2. ), And the sub hot air pipe 42b is provided with a temperature control air injection valve 45 and a blower fan 47 that are controlled by a central controller.

또한, 상기 연소실(10)에서 외부로 직접 배출되는 안전 바이패스관(35)이 더 설치되어도 무방하다.In addition, the safety bypass pipe 35 directly discharged to the outside from the combustion chamber 10 may be further installed.

상기 구성을 지닌 본 발명에 따른 축열식 연소산화장치의 폐열활용 열풍생산 시스템(1)의 작용상태를 살펴보면 다음과 같다.Looking at the operation state of the waste heat utilization hot air production system 1 of the regenerative combustion oxidation apparatus according to the present invention having the above configuration as follows.

유해가스발생현장으로부터 유입관을 통하여 기기내로 유입되는 유해가스는 대개 70℃ 내외의 온도를 띠고 있다.Hazardous gases entering the equipment from inlet pipes through inlet pipes usually have a temperature of around 70 ℃.

이러한 유해가스가 상기 유로전환수단(70)을 통하여 일 축열실로 유입되고 축열재에 의하여 열교환되어 대개 400℃ 이상으로 예열이 이루어진 상태로 연소실로 유입 소각된다.The harmful gas is introduced into the heat storage chamber through the flow path switching means 70 and heat-exchanged by the heat storage material, and is generally incinerated into the combustion chamber while being preheated to 400 ° C. or more.

이때 연소실의 온도는 약 800℃를 상회하고 소각처리되어 청정화된 공기는 다른 일 축열실을 통하여 배기되면서 그 축열실을 약 800℃로 가열시키고 냉각되어 배기관(36)을 통하여 대기중으로 배출되며 이때의 배기온도는 대략 60℃ 내외이다. At this time, the temperature of the combustion chamber is higher than about 800 ℃ and incinerated clean air is exhausted through the other one heat storage chamber while the heat storage chamber is heated to about 800 ℃ and cooled and discharged into the atmosphere through the exhaust pipe (36) The exhaust temperature is about 60 ℃.

그리고 연소실에 유입된 처리 유해가스의 농도가 높을수록 연소실의 온도가 상승하게 되어 축열실 축열 열량을 초과할 경우 종래에 바이패스관을 통하여 대기중으로 방출하던 폐열을 본 발명에서는 해당 산업시설에서 구비되어야 하는 건조기 열풍으로 활용하는 것이다.In addition, when the concentration of the hazardous gas introduced into the combustion chamber increases, the temperature of the combustion chamber increases, and when the heat storage heat exceeds the heat storage chamber, waste heat, which has been conventionally released into the atmosphere through a bypass pipe, must be provided in the corresponding industrial facility. The dryer will be used as hot air.

본 발명은 연소실(10)로부터 인출되는 800℃ 내외의 고온 공기가 배기되는 바이패스 회수관의 공기와 배기관(36)을 통하여 배출되는 60℃ 내외의 공기를 상기 열기혼합장치(41)에서 혼합해주므로 폐열 활용을 극대화하며 온도를 낮추어줌과 아울러 풍량을 증대시켜 메인열풍관(42a) 및 서브열풍관(42b)을 통하여 건조기(2)로 송급된다. The present invention mixes the air of the bypass recovery pipe through which the high temperature air of about 800 ° C drawn out from the combustion chamber 10 and the air of about 60 ° C discharged through the exhaust pipe 36 are mixed in the hot air mixing device 41. Since it maximizes the utilization of waste heat and lowers the temperature and increases the amount of air is fed to the dryer (2) through the main hot air pipe (42a) and sub-hot air pipe (42b).

그리고 송급열풍의 온도는 온도센서(미도시)에 의하여 중앙제어부로 신호되고 중앙제어부의 신호에 의하여 각 서브열풍관(42b)에 설치된 공기주입밸브(45)가 개폐조정되면서 외부공기를 미세하게 유입, 적정 온도(160℃∼220℃)로 조정된 열풍을 건조기(2)로 송급한다.In addition, the temperature of the supply hot air is signaled to the central control unit by a temperature sensor (not shown), and the air injection valve 45 installed in each sub hot air pipe 42b is opened and closed finely inflow of external air by the signal of the central control unit. The hot air adjusted to the proper temperature (160 ° C to 220 ° C) is supplied to the dryer 2.

한편, 건조기(2)에는 열풍기(3)가 보조적으로 설치된다. On the other hand, the hot air blower 3 is auxiliary to the dryer 2.

이와 같은 본 발명은 연소로(10)의 바이패스 폐열을 건조기의 열풍으로 활용함으로써 전기에너지의 소모를 획기적으로 줄여주고 산업설비의 운용비용을 현저히 절감시킨다.The present invention by using the bypass waste heat of the combustion furnace 10 as the hot air of the dryer significantly reduces the consumption of electrical energy and significantly reduces the operating cost of industrial equipment.

즉, 건조기 1기 가동에 필요한 전력량이 오로지 전력에만 의존하는 종래기술 일 실시예의 경우 15,000 ㎾/h가 소모되는데 비하여 본 발명 적용시 5,000㎾/h 만 소모되어 전력이 획기적으로 절감되는 것을 수차례의 시험결과 확인할 수 있었다.That is, in the case of one embodiment of the prior art in which the amount of power required to operate one dryer only depends on power, only 5,000 kW / h is consumed when the present invention is applied. Test results were confirmed.

이상, 본 발명의 바람직한 실시예를 첨부된 도면들을 참조로 설명하였다. 여기서, 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니되며, 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다. 따라서, 본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형예들이 있을 수 있음을 이해하여야 한다.In the above, preferred embodiments of the present invention have been described with reference to the accompanying drawings. Here, the terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, but should be interpreted as meanings and concepts corresponding to the technical spirit of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

이상에서 상세히 살펴본 바와 같이, 본 발명에 따른 축열식 연소산화장치의 폐열활용 열풍생산 시스템은 연소실에서 바이패스되는 폐열이 해당 산업현장에서의 필요로하는 건조기의 열풍으로 활용되어 전기에너지 및 산업설비의 운용비용을 획기적으로 절감시켜주는 뛰어난 효과가 있다.As described in detail above, in the waste heat utilization hot air production system of the regenerative combustion oxidation apparatus according to the present invention, the waste heat bypassed from the combustion chamber is utilized as the hot air of the dryer which is required in the corresponding industrial site, and thus, the operation of electric energy and industrial equipment. It has an outstanding effect on dramatically reducing costs.

Claims (4)

휘발성 유기화합물이 포함된 유해가스를 소각처리하기 위한 연소실(10), 상기 연소실(10) 하부에 방사상 격벽으로 차단되고 축열재(21)가 구비되는 복수의 축열실(20), 상기 복수의 각 축열실(20)에 유해가스 유입관(33) 및 연소처리된 청정공기 배기관(36)을 교차 연결하는 유로전환수단(70)을 포함하여 구성되고 상기 연소실(10)에 과열방지 바이패스관이 구비되는 축열식 연소산화장치에 있어서,Combustion chamber 10 for incineration of harmful gases containing volatile organic compounds, a plurality of heat storage chamber 20 is blocked by a radial partition wall below the combustion chamber 10, the heat storage material 21 is provided, the plurality of each The heat storage chamber 20 includes a flow path switching means 70 for cross-connecting the harmful gas inlet pipe 33 and the combustion-cleaned air exhaust pipe 36, the overheat prevention bypass pipe in the combustion chamber 10 In the regenerative combustion oxidation apparatus provided, 상기 연소실(10)에서 외부로 직접 인출되는 바이패스 회수관(31)과 청정공기 배기관(36)으로부터 분기 형성되는 배기분기관(37)이 연결되어 온도편차가 큰 양측의 공기를 혼합하는 열기혼합장치(41)가 구비되고,By-pass mixing pipe 31 which is directly drawn to the outside from the combustion chamber 10 and the exhaust branch pipe 37 branched from the clean air exhaust pipe 36 are connected to mix the air of both sides with a large temperature deviation The device 41 is provided, 상기 열기혼합장치(41)에 연결되고 별도의 건조기(2)로 혼합 열풍을 공급하는 열풍관(42)이 설치됨을 특징으로 하는 축열식 연소산화장치의 폐열활용 열풍생산 시스템.Hot air production system for waste heat utilization of the regenerative combustion oxidizer, characterized in that a hot air pipe (42) connected to the hot air mixing device (41) and supplying mixed hot air to a separate dryer (2) is installed. 청구항 1에 있어서,The method according to claim 1, 상기 바이패스 회수관(31)과 배기분기관(37)에는 각각 중앙 제어부에 의하여 조절되는 공기 유량조절밸브(43)가 하나 이상 설치됨을 특징으로 하는 축열식 연소산화장치의 폐열활용 열풍생산 시스템.The bypass recovery pipe (31) and exhaust branch pipes (37), each of the hot air production system for waste heat utilization of the regenerative combustion oxidizer, characterized in that at least one air flow rate control valve 43 is controlled by a central control unit. 청구항 1에 있어서,The method according to claim 1, 상기 열풍관(42)은 상기 혼합장치(41)에 연결되는 메인열풍관(42a)과 상기 메인열풍관(42a)으로부터 분기되어 각 건조기(2)로 연결되는 복수의 서브열풍관(42b)으로 이루어지고,The hot air pipe 42 is divided into a main hot air pipe 42a connected to the mixing device 41 and a plurality of sub hot air pipes 42b branched from the main hot air pipe 42a and connected to each dryer 2. Done, 상기 서브열풍관(42b)에는 중앙제어부에 의하여 조절되는 온도조절용 공기주입밸브(45)와 송풍팬(47)이 각각 설치됨을 특징으로 하는 축열식 연소산화장치의 폐열활용 열풍생산 시스템.The sub hot air pipe (42b) is a hot air production system for the waste heat utilization of the regenerative combustion oxidation apparatus, characterized in that the air control valve 45 and the blowing fan 47 for controlling the temperature is controlled by the central control unit. 청구항 1 내지 청구항 3 중 어느 한 항에 있어서,The method according to any one of claims 1 to 3, 상기 연소실(10)에서 외부로 직접 배출되는 안전 바이패스관(35)이 더 설치됨을 특징으로 하는 축열식 연소산화장치의 폐열활용 열풍생산 시스템.The waste heat utilization hot air production system of the regenerative combustion oxidizer, characterized in that the safety bypass pipe 35 which is directly discharged from the combustion chamber 10 directly to the outside.
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