KR200304492Y1 - Waste heat recovery and dust couector for coke boiler - Google Patents

Waste heat recovery and dust couector for coke boiler Download PDF

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Publication number
KR200304492Y1
KR200304492Y1 KR20-2002-0034190U KR20020034190U KR200304492Y1 KR 200304492 Y1 KR200304492 Y1 KR 200304492Y1 KR 20020034190 U KR20020034190 U KR 20020034190U KR 200304492 Y1 KR200304492 Y1 KR 200304492Y1
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South Korea
Prior art keywords
waste heat
dust
heat recovery
coke
boiler
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KR20-2002-0034190U
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Korean (ko)
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한명규
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한성정공주식회사
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
    • F28D21/001—Recuperative heat exchangers the heat being recuperated from exhaust gases for thermal power plants or industrial processes
    • 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
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/44—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with combinations of two or more of the types covered by groups F24H1/24 - F24H1/40 , e.g. boilers having a combination of features covered by F24H1/24 - F24H1/40
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0026—Guiding means in combustion gas channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F24H9/1845—Arrangement or mounting of combustion heating means, e.g. grates or burners using solid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/20—Intercepting solids by baffles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/34—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side
    • F24H1/36—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side the water chamber including one or more fire tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H2230/00—Solid fuel fired boiler

Abstract

본 고안은 코크스를 연료로 사용하는 보일러의 폐열회수 및 집진장치에 관한 것으로, 코크스 보일러의 배기가스를 직접 외부로 방출시키지 않고 수조 외면을 순환하면서 열교환이 이루어지게 한 후 배출되게 하여 폐열을 효과적으로 활용할 수 있게 하고, 연소가스의 분진을 보일러 내부에 집진시켜 간편히 수거 처리할 수 있게 하여 분진 방출로 인한 오염을 방지할 수 있게 함을 목적으로, 코크스보일러의 수조(6) 상측 외면에 하단부가 경사면(11)으로 형성된 원통형의 폐열회수통(10)을 일체로 형성하여 배기가스가 우회통로(14)를 통해서 회수통으로 유입되게 하고 폐열회수통(10)에는 복수개의 수직안내판(16)을 지그잭형으로 설치하여 배기가스가 지그잭형으로 순환되어 배기관(15)으로 배출되게 하고 긴통로(12)의 하단에는 분진취출구(17)를 형성하여 경사면(11)을 따라서 하방에 집진된 분진을 수거 처리할 수 있게 구성한 것을 특징으로 한 것이다.The present invention relates to a waste heat recovery and dust collector of a boiler using coke as fuel, and utilizes waste heat effectively by circulating the outer surface of the water tank and discharging it after exhausting the exhaust gas of the coke boiler directly to the outside. In order to make it possible to easily collect and process the dust of the combustion gas inside the boiler so as to prevent contamination due to dust emission, the lower end of the coke boiler's water tank 6 on the outer surface of the lower surface is inclined ( 11) integrally formed cylindrical waste heat recovery container 10 is formed so that the exhaust gas flows into the recovery container through the bypass passage 14, a plurality of vertical guide plates 16 in the waste heat recovery container 10 in a jig jack type Exhaust gas is circulated in the jig jack type to be discharged to the exhaust pipe 15, and a dust outlet 17 is formed at the lower end of the main passage 12. According to the inclined surface 11, it is characterized in that it is configured to be able to collect the dust collected below.

Description

코크스 보일러의 폐열회수 및 집진장치{WASTE HEAT RECOVERY AND DUST COUECTOR FOR COKE BOILER}Waste heat recovery and dust collector of coke boiler {WASTE HEAT RECOVERY AND DUST COUECTOR FOR COKE BOILER}

본 고안은 코크스를 연료로 사용하는 보일러의 폐열회수 및 집진장치에 관한 것으로, 더욱 자세하게는 배기가스를 외부로 배출시키지 않고 수조외곽으로 순환시켜 폐열을 회수한 후 배출되게 하고 배출가스에 포함된 코크스 분진이 순환과정에서 회수되게 하는 구조에 관한 것이다.The present invention relates to a waste heat recovery and a dust collector of a boiler using coke as fuel, and more particularly, it is circulated to the outside of the tank without exhausting the exhaust gas to the outside to recover the waste heat to be discharged and the coke contained in the exhaust gas It relates to a structure that allows dust to be recovered in the circulation.

일반적으로 난방용 보일러는 오일보일러와 가스보일러가 주류를 이루고 있으나, 근래에는 열량이 높으면서도 연료비와 유지비가 싼 코크스를 사용하는 보일러가 널리 보급되고 있다.In general, heating boilers are mainly composed of oil boilers and gas boilers, but recently, boilers using coke having high heat and low fuel cost and maintenance cost are widely used.

코크스는 석탄을 1000℃내외에서 건류하여 유황 등의 유해한 불순물을 제거시켜 만든 회백색의 단단한 탄소를 말하며 발열량이 높고 가스 및 냄새 등의 공해가 적으며 값이 싸므로 음식점이나 숙박업소는 물론 가정용 보일러에 적합한 연료로 알려져 있다.Coke is grayish white hard carbon made by distilling coal around 1000 ℃ to remove harmful impurities such as sulfur. Its high calorific value, low pollution of gas and odor, and low price make it suitable for restaurants, lodgings, and household boilers. Known fuels are known.

종래의 코크스 보일러는 도4와 같이 호퍼(1)로 투입된 코크스 연료가 이송장치(2)에 의해서 연소실(3)에 투입되어 회전식 로스톨(4)위에 쌓이고 버어너(5)에 의해서 연료가 연소되는 구조이며, 연소실(3)의 상,하부 외벽면 전체가 수조(6)로 형성되고 중앙에는 복수개의 가열수관(7)이 형성되어 연소화열이 가열수관(7) 사이의 공간(8)을 통해서 상승하여 배기구(9)로 배출되는 구조로 되어 있다.In the conventional coke boiler, as shown in FIG. 4, coke fuel introduced into the hopper 1 is introduced into the combustion chamber 3 by the transfer device 2, accumulated on the rotary rostol 4, and fuel is burned by the burner 5. The entire upper and lower outer wall surfaces of the combustion chamber 3 are formed of a water tank 6, and a plurality of heating water pipes 7 are formed at the center thereof, so that the combustion heat forms the space 8 between the heating water pipes 7. It rises through and is discharged | emitted to the exhaust port 9. As shown in FIG.

상기한 종래의 코크스보일러는 연소화열이 수직상승하여 복수개의 가열수관(7)사이를 통과하는 중에 열교환작용이 이루어지게 한 후 상부의 배기구(9)로 배출되는 구조로서, 이는 연소가스가 열교환실 상부로 직상하여 배기구로 직접 방출되기 때문에 연소가스가 갖고 있는 약200도 정도의 열을 효과적으로 활용하지 못하고 외부로 방출하는 낭비적인 문제점이 있었다.The conventional coke boiler has a structure in which the heat of the combustion is increased while the heat of combustion is vertically increased to pass through the plurality of heating water pipes 7, and then discharged to the upper exhaust port 9. Since it is directly discharged to the upper portion directly to the exhaust port, there is a wasteful problem of not using the heat of about 200 degrees of the combustion gas effectively and emitting it to the outside.

다른 문제점은 코크스 연료의 연소로 인하여 발생되는 분진이 별도의 집진수단이 없이 배기가스와 함께 그대로 상승하여 배기구를 통해서 외부로 방출되므로 주변의 환경을 악화시킨다는 점이다.Another problem is that the dust generated by the combustion of the coke fuel rises together with the exhaust gas as it is without a separate dust collecting means and is discharged to the outside through the exhaust port, thereby deteriorating the surrounding environment.

본 고안은 상기한 종래 구성에서의 문제점을 시정하기 위해서 안출한 것이며, 본 고안은 코크스 보일러의 배기가스를 직접 방출시키지 않고 수조 외면을 순환하면서 열교환이 이루어지게 한 후 배출되게 하여 폐열을 효과적으로 활용할 수 있게 하고, 연소가스의 분진을 보일러 내부에 집진시켜 간편히 수거 처리할 수 있게 하여 분진 방출로 인한 오염을 방지할 수 있게함을 목적으로 한 것이다.The present invention is devised to correct the problems in the above-described conventional configuration, the present invention can be effectively utilized waste heat by allowing the heat exchange to be discharged while circulating the outer surface of the tank without direct discharge of the exhaust gas of the coke boiler. It is intended to prevent the contamination caused by dust emissions by collecting dust of the combustion gas to be easily collected by treating the inside of the boiler.

상기한 목적을 달성하기 위해서 본 고안은 코크스 보일러를 형성함에 있어서, 보일러의 몸체수조 외면부에 배기가스를 지그잭형으로 순환 유도하는 구조를 설치하고, 상기한 순환구조에 의해서 분진입자가 집진될 수 있게 하는 구조를 제공하는 것이다.In order to achieve the above object, the present invention provides a structure for guiding exhaust gas in a jig-jack type at the outer surface of the body tank of the boiler in forming a coke boiler, and dust particles may be collected by the circulation structure. To provide a structure that allows

도1은 본 고안의 전체구성을 보인 절결사시도Figure 1 is a cutaway perspective view showing the overall configuration of the present invention

도2는 본 고안의 단면도2 is a cross-sectional view of the present invention

도3은 본 고안의 폐열순환작용을 설명하기 위한 예시도Figure 3 is an exemplary view for explaining the waste heat circulation action of the present invention

도4는 종래의 코크스보일러의 구조도4 is a structural diagram of a conventional coke boiler

[도면의 주요부분에 대한 부호의 설명][Explanation of symbols on the main parts of the drawings]

2: 투입장치 3: 연소실2: input device 3: combustion chamber

6: 수조 7: 가열수관6: water tank 7: heated water pipe

10: 폐열회수통 11: 경사면10: waste heat recovery container 11: slope

12: 긴통로 13: 짧은통로12: Long passage 13: Short passage

14: 우회통로 15: 배기구14: bypass passage 15: exhaust vent

16: 수직안내판 17: 분진취출구16: Vertical Guide 17: Dust Outlet

코크스 투입장치(2)에 의해서 연소실(3)에 연료가 투입되게 하며 연소실(3)의 연소화열이 수조(6)와 가열수관(7)을 가열한 후 배기구로 배출되게 한 코크스보일러에 있어서, 수조(6)의 상측 외면에 하단부가 경사면(11)으로 형성된 원통형의 폐열회수통(10)을 일체로 형성하여 일측은 긴통로(12)로, 타측은 짧은통로(13)로 형성하며 상부에는 배기가스를 짧은통로(13)로 유도하는 우회통로(14)를 형성하고 긴통로(12)의 상부에는 배기관(15)을 형성하며 폐열회수통(10)에는 복수개의 수직안내판(16)을 일정한 간격을 갖도록 지그잭형으로 설치하여 배기가스가 지그잭형으로 순환되어 배기관(15)으로 배출되게 하고 긴통로(12)의 하단에는 분진취출구(17)를 형성하여 경사면(11)을 따라서 하방에 집진된 분진을 수거 처리할 수 있게 구성한 것이다.In a coke boiler in which fuel is introduced into the combustion chamber 3 by the coke input device 2 and the combustion heat of the combustion chamber 3 is discharged to the exhaust port after heating the water tank 6 and the heating water pipe 7. A cylindrical waste heat recovery tube 10 having a lower end formed as an inclined surface 11 on the upper outer surface of the water tank 6 is integrally formed so that one side is formed as a long passage 12 and the other side is formed as a short passage 13. A bypass passage 14 for guiding the exhaust gas into the short passage 13 is formed, and an exhaust pipe 15 is formed on the upper passage 12, and a plurality of vertical guide plates 16 are fixed to the waste heat recovery cylinder 10. It is installed in a jig jack type to have a gap so that the exhaust gas is circulated in the jig jack type to be discharged to the exhaust pipe 15, and a dust outlet 17 is formed at the lower end of the main passage 12 to be collected below the inclined surface 11. It is configured to collect dust.

이와 같이 구성된 본 고안은 투입장치(2)에 의해서 연소실(3)에 코크스 연료가 투입되어 연소되며, 연소실의 연소화열은 수조(6)와 가열수관(7)을 집중적으로 가열하면서 상승하게 된다.In the present invention configured as described above, the coke fuel is injected into the combustion chamber 3 by the input device 2 to be combusted, and the combustion heat of the combustion chamber is increased while intensively heating the water tank 6 and the heating water pipe 7.

이때 상승된 연소가스는 약200도 정도의 고열인바, 종래에는 고열의 배기가스가 배기구를 통해서 그대로 외부로 방출되었으나, 본 고안은 상승되는 고온의 배기가스가 우회통로(14)를 통하여 폐열회수통(10)의 짧은통로(12)로 유입된 후 복수개의 수직안내판(16)에 의해서 형성된 지그잭형 통로를 따라서 긴통로(12) 쪽으로 순환되는 중에 열교환 작용이 이루어져 수조(6)를 가열하고 폐열이 배기관(15)으로 배출되는 것이다.At this time, the elevated combustion gas is about 200 degrees of high heat, and in the related art, high-temperature exhaust gas is discharged to the outside through the exhaust port, but the present invention is a high-temperature exhaust gas that is raised through the bypass passage 14 to recover waste heat. After entering the short passage 12 of (10) and circulating toward the main passage 12 along the jig-jack type passage formed by the plurality of vertical guide plates 16, a heat exchange action is performed to heat the water tank 6, and waste heat It is discharged to the exhaust pipe (15).

따라서 본 고안은 연소가스를 직접 배출시키지 않고 폐열회수통(10)으로 우회시켜 폐열의 열원으로 수조(6)를 가열시킨 후 배출되는 폐열의 회수작용이 이루어지는 것이다.Therefore, the present invention bypasses the combustion gas directly to the waste heat recovery tank 10 to heat the water tank 6 to the heat source of waste heat, and then the waste heat discharged is discharged.

또한 연소가스가 폐열회수통(10)을 순환하는 중에 지그잭형으로 설치된 수직안내판(16)에 접촉 충돌하면서 이동하므로 연소가스에 함유된 코크스 분진입자가 분리, 낙하되어 경사면(11)을 따라서 낮은 위치의 분진취출구(17)쪽으로 집진되며, 집진된 분진은 일정기간마다 분진취출구(17)의 마개를 열어서 수거 처리하는 것이다.In addition, since the combustion gas moves while contacting the vertical guide plate 16 installed in the jig-jack type while circulating the waste heat recovery container 10, the coke dust particles contained in the combustion gas are separated and dropped, and thus the lower position along the inclined surface 11 is achieved. The dust is collected toward the dust outlet 17, and the collected dust is collected by opening the cap of the dust outlet 17 every predetermined period.

본 고안은 코크스보일러의 상부수조 외면에 폐열회수통을 설치하여 고열의 연소가스를 직접 외부로 방출시키지 않고 폐열회수통으로 우회, 순환시켜 폐열의 열원을 활용하여 수조를 가열하게 한 후 배출시키므로서 보일러의 열효율을 향상시키고 연료와 열에너지를 효과적으로 활용할 수 있는 효과가 있다.The present invention installs a waste heat recovery tank on the outer surface of the upper tank of the coke boiler, bypasses and circulates the waste heat recovery tank directly without releasing high-temperature combustion gas to the outside, and uses the heat source of waste heat to heat the water tank and then discharges the boiler. It has the effect of improving the thermal efficiency and effectively utilizing fuel and thermal energy.

또한 연소가스에 포함된 코크스탄의 분진을 자연에 방출시키지 않고 폐열회수통으로 우회시켜 지그잭형으로 순환하는 과정에서 분리, 집진되게 한 후 수거 처리하여 자연환경을 오염시키는 분진 방출의 문제점을 해소할 수 있는 것이다.In addition, the problem of dust emission that pollutes the natural environment can be solved by collecting and collecting the dust of coke in the combustion gas by bypassing it into the waste heat recovery tank and circulating it in the zig-jack type. It is.

Claims (1)

투입장치(2)에 의해서 연소실(3)에 연료가 투입되게 하며 연소실(3)의 연소화열이 수조(6)와 가열수관(7)을 가열한 후 배기구로 배출되게 한 코크스보일러에 있어서, 수조(6)의 상측 외면에 하단부가 경사면(11)으로 형성된 원통형의 폐열회수통(10)을 일체로 형성하여 일측은 긴통로(12)로, 타측은 짧은통로(13)로 형성하며 상부에는 배기가스를 짧은통로(13)로 유도하는 우회통로(14)를 형성하고 긴통로(12)의 상부에는 배기관(15)을 형성하며 폐열회수통(10)에는 복수개의 수직안내판(16)을 일정한 간격을 갖도록 지그잭형으로 설치하여 배기가스가 지그잭형으로 순환되어 배기관(15)으로 배출되게 하고 긴통로(12)의 하단에는 분진취출구(17)를 형성하여 경사면(11)을 따라서 하방에 집진된 분진을 수거 처리할 수 있게 구성한 것을 특징으로 한 코크스 보일러의 폐열회수 및 집진장치.In a coke boiler in which fuel is introduced into the combustion chamber 3 by the input device 2 and the combustion heat of the combustion chamber 3 is discharged to the exhaust port after heating the water tank 6 and the heating water pipe 7. (6) integrally formed a cylindrical waste heat recovery cylinder 10 formed at the lower end portion of the inclined surface 11 on the outer surface of the upper side (1) is formed in the long passage (12), the other side is formed in the short passage (13) and the upper exhaust A bypass passage 14 is formed to guide gas to the short passage 13, and an exhaust pipe 15 is formed on the upper passage 12, and a plurality of vertical guide plates 16 are disposed at regular intervals in the waste heat recovery cylinder 10. The exhaust gas is circulated in the jig jack type to be discharged to the exhaust pipe 15 so that the exhaust gas is discharged to the exhaust pipe 15, and the dust outlet 17 is formed at the lower end of the main passage 12 to collect dust below the inclined surface 11. Of the coke boiler characterized in that the wastewater can be collected and processed Recovery and dust collector.
KR20-2002-0034190U 2002-11-15 2002-11-15 Waste heat recovery and dust couector for coke boiler KR200304492Y1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100680306B1 (en) 2005-09-28 2007-02-07 신성복 The solid fuel of hot blast heater
KR100737393B1 (en) 2006-08-30 2007-07-09 주식회사 포스코 Apparatus for removing dust of cokes quenching tower

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100680306B1 (en) 2005-09-28 2007-02-07 신성복 The solid fuel of hot blast heater
KR100737393B1 (en) 2006-08-30 2007-07-09 주식회사 포스코 Apparatus for removing dust of cokes quenching tower

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