KR100502545B1 - A briquet boiler for warm wind maker - Google Patents

A briquet boiler for warm wind maker Download PDF

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Publication number
KR100502545B1
KR100502545B1 KR10-2002-0065362A KR20020065362A KR100502545B1 KR 100502545 B1 KR100502545 B1 KR 100502545B1 KR 20020065362 A KR20020065362 A KR 20020065362A KR 100502545 B1 KR100502545 B1 KR 100502545B1
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KR
South Korea
Prior art keywords
combustion
pipe
boiler
hot air
briquettes
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KR10-2002-0065362A
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Korean (ko)
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KR20020093685A (en
Inventor
윤형진
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민혁재
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Priority to KR10-2002-0065362A priority Critical patent/KR100502545B1/en
Publication of KR20020093685A publication Critical patent/KR20020093685A/en
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Publication of KR100502545B1 publication Critical patent/KR100502545B1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00Air heaters
    • F24H3/02Air heaters with forced circulation
    • F24H3/06Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/08Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
    • F24H3/088Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using solid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/006Arrangements for cleaning, e.g. soot removal; Ash removal
    • F24B13/008Ash containers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/02Arrangement or mountings of fire-grate assemblies; Arrangement or mountings of linings for fire-boxes, e.g. fire-backs 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F24H1/403Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes the water tubes being arranged in one or more circles around the burner
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F24H1/43Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/12Arrangements for connecting heaters to circulation pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1854Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1877Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F24H9/189Arrangement or mounting of combustion heating means, e.g. grates or burners using solid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H2230/00Solid fuel fired boiler

Abstract

본 발명은 난방용 또는 산업용으로 사용하는 온풍기용 보일러에 관한 것으로서 특히, 연탄을 연소시켜 발생한 열을 이용하여 온풍 할 수 있는 연탄(석탄)보일러이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heater for a hot air heater used for heating or industrial purposes, and in particular, a briquette (coal) boiler capable of hot air using heat generated by burning briquettes.

본 발명은 열 교환 후 회수되는 온수를 연탄이 연소된 후 배출되는 폐열을 최대한 이용하여 1차로 예열 한 후 연소구에서 2차로 가열하여 배출하도록 함으로서 열효율을 향상하는 특징을 갖는다.The present invention has a feature of improving thermal efficiency by preheating the hot water recovered after the heat exchange to the maximum by using the waste heat discharged after the briquettes are burned to the maximum, and then discharged by heating the secondary in the combustion port.

종래에는 연소구에서 연소중인 연탄이 온수에 급속하게 열을 빼앗기는 열 손실에 의하여 소화되는 문제점이 있었는데 본 발명은 1차로 입수되는 온수를 폐열에 의하여 충분히 예열 한 후 가열함으로서 연탄의 원활한 연소가 이루어짐으로 비교적 저렴한 비용의 연탄을 이용하여 난방 할 수 있는 구성이 특징인 난방장치를 제공한다.Conventionally, briquettes burning in a combustion port have a problem in that they are extinguished by heat loss rapidly depriving heat of hot water. The present invention provides a smooth combustion of briquettes by heating the hot water firstly obtained by waste heat. It provides a heating device that is characterized by a configuration capable of heating using briquettes of relatively low cost.

Description

온풍기용 연탄보일러{A briquet boiler for warm wind maker}Briquette boiler for warmer fan {A briquet boiler for warm wind maker}

본 발명은 주로 난방용으로 사용되는 온풍기에 있어서, 온수를 가열하는 보일러에 관한 것으로서, 화석연료인 석탄(연탄)을 연료로 사용하여 가열하는 보일러이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a boiler for heating hot water in a hot air heater mainly used for heating, and is a boiler for heating by using coal (briquette), which is fossil fuel, as a fuel.

종래에도 본 발명에서 사용되는 연탄을 이용한 난방장치들이 다양하게 개발되어 있으나 주로 소규모의 순환파이프를 화로에 내장하여 난방 하는 방식이 대부분이며, 본 발명과 같은 온풍기로 사용되는 경우에는 급속한 열 손실에 의하여 연탄이 소화되는 문제점이 있었기에 열 교환을 작게 하는 경우 열효율이 저하되는 문제점이 있음으로 고가의 석유 또는 가스등을 연료로 사용하는 보일러를 이용함에 따른 난방비용이 가계에 매우 부담되는 문제점이 있었다.Conventionally, heating devices using briquettes used in the present invention have been developed in various ways, but most of them have a small amount of circulating pipes built into a furnace to heat them, and in the case of using a hot air heater such as the present invention, due to rapid heat loss. Since there was a problem in that the briquettes were extinguished, there was a problem in that the heat efficiency was lowered when the heat exchange was small, so that the heating cost of using a boiler using expensive oil or gas as a fuel was very burdened on the household.

본 발명은 종래와 같은 문제점을 해소하기 위하여 연탄이 연소되고 배출되는 폐열을 이용하여 회수되는 온수를 예열 하여 급속한 열 손실을 방지하여 연탄의 소화를 방지함으로 열효율을 향상한 온풍기용 연탄보일러를 제공하는 목적이다.The present invention is to provide a briquette boiler for the warm air fan to improve the thermal efficiency by preventing the rapid digestion of briquettes by preheating the hot water recovered by using the waste heat from the briquettes burned and discharged in order to solve the problems as in the prior art Purpose.

상기와 같은 목적을 달성하기 위한 본 발명은 예열과 가열을 순차적으로 행하는 수단과 연소가스의 배출 수단으로 구성되어 있다.The present invention for achieving the above object is composed of a means for sequentially preheating and heating and a means for discharging combustion gas.

이하, 첨부도면을 참고하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail with reference to the accompanying drawings.

첨부도면 도 1은 본 발명의 사시도 이고, 도 2는 본 발명의 분해사시도로서 직사각형의 몸체(10)에 3개의 연소로(41)를 설치하고 그 주위를 둘러 형성한 2차파이프(35)가 각각 독립되어 설치되어 있다.1 is a perspective view of the present invention, Figure 2 is an exploded perspective view of the present invention is a secondary pipe 35 formed by installing three combustion furnaces 41 around the rectangular body 10 and surrounding the Each one is installed independently.

상기 2차파이프(35)의 외측에는 상부에 다수의 연소배출홀(62)이 천공된 연소로격벽(61)이 각각 독립적으로 씌워지고 상기 3개의 연소로격벽(61)의 외측 면에는 1차파이프(31)가 전 둘레에 둘러져 있다.A combustion furnace partition wall 61 having a plurality of combustion discharge holes 62 formed therein is independently covered on an outer side of the secondary pipe 35, and an outer surface of the three combustion furnace partition walls 61 is formed on the outer side of the secondary pipe 35. The pipe 31 is enclosed around the front.

상기 1차파이프(31)의 끝단에는 입수파이프(32)가 설치되어 온풍기(70)에서 순환펌프(73)로 리턴 하여 압송하는 온수가 유입되게 하고 이 1차파이프(31)의 끝단에는 연장파이프(33)를 설치하여 상기 2차파이프(35)의 연결파이프(37)와 연장되어 있고 상기 2차파이프(35)의 끝단에는 출수파이프(35)가 설치되어 온풍기(70)의 열 교환 장치인 콘덴서(71)로 인입 되게 하였다.An inlet pipe 32 is installed at the end of the primary pipe 31 to return the circulating pump 73 to the circulation pump 73 in the warmer 70 so that hot water is introduced therein and an extension pipe at the end of the primary pipe 31. (33) is installed and extends with the connecting pipe (37) of the secondary pipe (35), and the water extraction pipe (35) is installed at the end of the secondary pipe (35), which is a heat exchanger of the warmer (70). It was led to the condenser 71.

그리고 상기 몸체(10)의 내측에는 절연층(10a)을 설치하여 열 손실을 방지하고 하부에는 연소재수거통(12)을 설치하고 배면에는 연통연결구(11a)를 설치하여 연통(11)을 연결하고 끝단에는 배풍기(11b)를 설치하여 연소로(41)에서 발생한 가스를 강제로 배출하도록 하였다.And to prevent heat loss by installing an insulating layer (10a) inside the body (10), the combustion ash container 12 is installed at the bottom and the communication connector (11a) is installed on the back to connect the communication (11) An exhaust fan 11b was installed at the end to forcibly discharge the gas generated from the combustion furnace 41.

한편, 상기 몸체(10)의 내부 상부에는 연소로(41)의 연소구(42)와 일치하는 교환구(44)를 천공한 상부판(43)을 덮고 연소구덮개(45)를 설치하였고 그 상부에는 덮개(51)를 덮어서 마감하는 구성의 보일러(1)이다.On the other hand, the upper part of the body 10, the upper plate 43, which punctures the exchange port 44 corresponding to the combustion port 42 of the combustion furnace 41, and covers the combustion port cover 45 is installed The upper part is the boiler 1 of the structure which covers and closes the cover 51.

상기와 같이 구성된 보일러(1)는 첨부도면 도 6에서와 같이 한 조를 이루는 온풍기(70)와 연결되어 작용하게 된다.The boiler 1 configured as described above is connected to the hot air heater 70 forming a pair as shown in FIG. 6.

즉, 보일러(1)에서 가열된 온수는 온풍기(70)의 열 교환 장치인 콘덴서(71)로 순환되며 이때 온풍기(70)의 콘트롤러(74)에 의하여 펜(72)을 구동하면 찬 공기가 강제로 콘덴서(72)를 통과함으로 더운 공기가 만들어진다.That is, the hot water heated in the boiler 1 is circulated to the condenser 71 which is a heat exchanger of the hot air heater 70. At this time, when the pen 72 is driven by the controller 74 of the hot air heater 70, cold air is forced. The hot air is produced by passing through the condenser 72.

상기와 같은 본 발명 보일러(1)의 작용을 보다 상세히 설명하면 다음과 같다.Referring to the operation of the boiler 1 of the present invention as described above in more detail as follows.

먼저, 본 발명의 보일러(1)에서 연소되는 연탄(100)은 다수의 연소로(41)의 연소구(42)에 삽입되어 적층 된 상태로 연소된다.First, the briquette 100 burned in the boiler 1 of the present invention is inserted into the combustion holes 42 of the plurality of combustion furnaces 41 and burned in a stacked state.

이때, 연소재수거통(12)에 설치된 공기공급장치(도시되지 않음)에 의하여 연탄(100)의 연소시간과 연소온도를 조절할 수 있다.At this time, the combustion time and the combustion temperature of the briquette 100 may be adjusted by an air supply device (not shown) installed in the combustion ash container 12.

상기와 같이 연소되는 연탄(100)의 연소가스는 비교적 높은 온도를 유지한 상태로 연통(11)으로 배출되게 되는데 그 배출 통로는 연소로격벽(61)의 상부에 천공된 연소배출홀(62)을 통하여 연소공간(81)에서 배출공간(82)으로 넘어간다.The combustion gas of the briquette 100 combusted as described above is discharged to the communication 11 while maintaining a relatively high temperature, and the discharge passage is a combustion discharge hole 62 drilled on the combustion furnace partition 61. It passes from the combustion space 81 to the discharge space 82 through.

상기와 같이 배출공간(82)으로 넘어간 배출가스는 몸체(10)의 배면에서 중간의 하부에 형성된 연통연결구(11a)로 모아져 배풍기(11b)에 의하여 강제로 연통(11)을 따라 외부로 배출된다.Exhaust gas passed to the discharge space 82 as described above is collected in the communication connector (11a) formed in the lower portion of the middle of the back of the body 10 is forcibly discharged to the outside along the communication (11) by the blower (11b). .

따라서, 첨부도면 도 4, 5에서처럼 온풍기(70)에서 열 교환 후 회수되는 온수는 온풍기(70)의 순환펌프(73)에 의하여 강제로 보일러(1)에 압송되어 리턴 된 온수는 배출공간(82)에 설치된 1차파이프(31)에 의하여 예열된 예열온수가 된다.Accordingly, the hot water recovered after the heat exchange in the hot air heater 70 is forcibly pushed to the boiler 1 by the circulation pump 73 of the hot air heater 70, and the returned hot water is discharged space 82. It becomes preheated warm water preheated by the primary pipe 31 provided in ().

상기와 같은 예열 과정은 연탄(100)의 연소 후 배출되는, 버려지는 가스로서 연탄(100)이 연소하는데 필요한 열을 빼앗지 않음으로 연탄(100)의 연소에 있어서 지장을 초래하지 않는다.The preheating process as described above does not cause combustion in the briquettes 100 because it is a gas that is discharged after combustion of the briquettes 100 and does not deprive the heat necessary for the combustion of the briquettes 100.

상기와 같이 배출공간(82)에서 예열 된 예열온수는 계속하여 연소공간(81)에 배치된 2차파이프(35)로 흘러간다.As described above, the preheated hot water preheated in the discharge space 82 continues to flow into the secondary pipe 35 disposed in the combustion space 81.

상기와 같이 2차파이프(35)에 흘러간 예열온수는 고온으로 연소되는 연탄(100)에 의하여 달구어진 연소로(41)에 의하여 통상 끓는점이하의 고온으로 가열된다.As described above, the preheated hot water flowing into the secondary pipe 35 is usually heated to a high temperature below the boiling point by the combustion furnace 41 heated by the briquette 100 burned at a high temperature.

상기와 같이 가열된 온수는 출수파이프(36)를 따라 온풍기(70)의 콘덴서(71)에 인입 되어 콘덴서(71)에 존재하게 된다.The heated hot water is introduced into the condenser 71 of the warm air heater 70 along the water discharge pipe 36 and is present in the condenser 71.

상기와 같이 온풍기(70)의 콘덴서(71)에 인입 된 온수에 의하여 콘덴서(71)를 통과하는 찬 공기가 더운 공기로 교환되어 난방 되게 된다.As described above, the cold air passing through the condenser 71 is exchanged with hot air by the hot water introduced into the condenser 71 of the warmer 70 to be heated.

상기와 같이 작용하는 본 발명은 리턴 된 온수를 배출되는 연소가스의 폐열을 이용하여 1차적으로 예열함으로서 찬 온수가 연탄의 연소공간에 직접 유입되지 않음으로 연탄이 연소에 필요한 최소한의 연소열을 충분히 유지함으로 연탄이 원활히 연소하게 되어 2차파이프로 유입된 예열온수를 적정한 온도로 가열할 수 있게 됨으로 비교적 저렴한 비용의 연료를 이용하여 난방 할 수 있는 장점의 연탄보일러이다.The present invention that acts as described above is preheated primarily by using the waste heat of the combustion gas discharged from the returned hot water, the cold hot water is not directly introduced into the combustion space of the briquettes, the briquettes sufficiently maintain the minimum heat of combustion necessary for combustion As a result, briquettes can be burned smoothly, and the preheated hot water introduced into the secondary pipe can be heated to an appropriate temperature. Therefore, briquette boilers can be heated using relatively low cost fuel.

도 1은 본 발명의 사시도,1 is a perspective view of the present invention,

도 2는 본 발명의 분해사시도,2 is an exploded perspective view of the present invention;

도 3은 본 발명의 평면도,3 is a plan view of the present invention,

도 4는 본 발명의 중앙횡단면도,4 is a cross-sectional view of the center of the present invention;

도 5는 본 발명의 중앙종단면도,5 is a longitudinal longitudinal cross-sectional view of the present invention;

도 6은 본 발명의 개략도 이다.6 is a schematic diagram of the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1 ; 보일러 10 ; 몸체One ; Boiler 10; Body

11 ; 연통 12 ; 연소재수거통11; Communication 12; Combustion ash container

31 ; 1차파이프 35 ; 2차파이프31; Primary pipe 35; Secondary pipe

41 ; 연소로 42 ; 연소구41; Combustion furnace 42; Combustion

43 ; 상부판 51 ; 덮개43; Upper plate 51; cover

61 ; 연소로격벽 62 ; 연소배출홀61; Combustion furnace bulkhead 62; Combustion exhaust hole

70 ; 온풍기 71 ; 콘덴서70; Warmer 71; Condenser

73 ; 순환펌프73; Circulation pump

Claims (1)

가정용 또는 산업용으로 사용되는 온풍기용 보일러에 있어서,In the boiler for the hot air fan used for home or industrial use, 직사각형의 몸체(10)에 3개의 연소로(41)를 설치하고 그 주위를 둘러 형성한 2차파이프(35)가 각각 독립적으로 설치되고;Secondary combustion pipes 35 each having three combustion furnaces 41 installed in the rectangular body 10 and formed around the combustion furnace 41 are independently installed; 상기 2차파이프(35)의 외측에는 상부에 다수의 연소배출홀(62)이 천공된 연소로격벽(61)이 각각 독립적으로 씌워지고;A combustion furnace partition wall 61 in which a plurality of combustion discharge holes 62 are drilled on the outside of the secondary pipe 35 is independently covered; 상기 3개의 연소로격벽(61)을 한 번에 감싸는 1차파이프(31)가 전 둘레에 둘러져 있고;A primary pipe (31) surrounding the three combustion furnace partitions (61) at one time is surrounded around the perimeter; 상기 1차파이프(31)의 끝단에는 입수파이프(32)가 설치되어 온풍기(70)에서 순환펌프(73)로 리턴 하여 압송하는 온수가 유입되게 하고 상기 1차파이프(31)의 끝단에는 연장파이프(33)를 설치하여 상기 2차파이프(35)의 연결파이프(37)와 연결되어 있고;An inlet pipe 32 is installed at the end of the primary pipe 31 to return the hot water to the circulation pump 73 from the hot air heater 70 so that the hot water is introduced therein and an extension pipe at the end of the primary pipe 31. (33) is installed and connected to the connecting pipe (37) of the secondary pipe (35); 상기 2차파이프(35)의 끝단에는 출수파이프(36)가 설치되어 온풍기(70)의 열교환 장치인 콘덴서(71)로 인입 되게 하고;A water extraction pipe 36 is installed at the end of the secondary pipe 35 so as to be drawn into the condenser 71 which is a heat exchanger of the hot air heater 70; 상기 몸체(10)의 내측에는 절연층(10a)을 설치하고 하부에 연소재수거통(12)을 설치하고 배면에는 연통연결구(11a)를 설치하여 연통(11)을 연결하고 상기 연통(11)의 끝단에는 배풍기(11b)를 설치하여 상기 연소로(41)에서 발생한 가스를 강제로 배출하도록 설치하며;Inside the body 10, an insulating layer 10a is installed, and a combustion ash container 12 is installed at the bottom, and a communication connector 11a is installed at the bottom to connect the communication 11, and the communication of the communication 11 An exhaust fan 11b is installed at the end to forcibly discharge the gas generated in the combustion furnace 41; 상기 몸체(10)의 내부 상측에는 연소로(41)의 연소구(42)와 일치하는 교환구(44)를 천공한 상부판(43)을 덮고 연소구덮개(45)를 설치한 후 그 상부에 덮개(51)를 덮어서 이루어진 보일러(1)의 구성을 특징으로 하는 온풍기용 연탄보일러.The upper portion of the body 10 is covered with a top plate 43 perforated the exchange port 44 corresponding to the combustion port 42 of the combustion furnace 41, the combustion hole cover 45 is installed and the upper Briquette boiler for hot air heater, characterized in that the configuration of the boiler (1) made by covering the cover (51).
KR10-2002-0065362A 2002-10-24 2002-10-24 A briquet boiler for warm wind maker KR100502545B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100776971B1 (en) 2007-08-13 2007-11-21 이영순 A coal and oil fired boiler

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100681344B1 (en) * 2005-02-03 2007-02-15 최성환 Apparatus For briquet boiler
CN101818937B (en) * 2009-12-16 2011-10-05 江苏百斯特环境工程有限公司 Vertical anti-coking pulverized coal hot air furnace
KR101297965B1 (en) * 2012-07-17 2013-08-19 엄화섭 Briquet boiler

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6048442A (en) * 1983-08-26 1985-03-16 Osaka Gas Co Ltd Infrared ray heating system exhaust gas down flow type gas water boiler
JPS63279031A (en) * 1987-02-20 1988-11-16 Carrier Corp Liquid back type gas combustion heating apparatus
KR890001118Y1 (en) * 1986-07-21 1989-03-30 배익주 Rotating sprinkler
KR890017951U (en) * 1988-02-27 1989-09-08 전영두 Perforated boiler

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6048442A (en) * 1983-08-26 1985-03-16 Osaka Gas Co Ltd Infrared ray heating system exhaust gas down flow type gas water boiler
KR890001118Y1 (en) * 1986-07-21 1989-03-30 배익주 Rotating sprinkler
JPS63279031A (en) * 1987-02-20 1988-11-16 Carrier Corp Liquid back type gas combustion heating apparatus
KR890017951U (en) * 1988-02-27 1989-09-08 전영두 Perforated boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100776971B1 (en) 2007-08-13 2007-11-21 이영순 A coal and oil fired boiler

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