KR200167978Y1 - Complex heat recovery steam generator - Google Patents

Complex heat recovery steam generator Download PDF

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Publication number
KR200167978Y1
KR200167978Y1 KR2019990016224U KR19990016224U KR200167978Y1 KR 200167978 Y1 KR200167978 Y1 KR 200167978Y1 KR 2019990016224 U KR2019990016224 U KR 2019990016224U KR 19990016224 U KR19990016224 U KR 19990016224U KR 200167978 Y1 KR200167978 Y1 KR 200167978Y1
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South Korea
Prior art keywords
steam generator
pipe group
heat pipe
recovery steam
heat recovery
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KR2019990016224U
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Korean (ko)
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김인식
강대현
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삼성중공업주식회사
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Priority to KR2019990016224U priority Critical patent/KR200167978Y1/en
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Publication of KR200167978Y1 publication Critical patent/KR200167978Y1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F22B1/1807—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines
    • F22B1/1815—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines using the exhaust gases of gas-turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10—Water tubes; Accessories therefor
    • F22B37/12—Forms of water tubes, e.g. of varying cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/40—Arrangements of partition walls in flues of steam boilers, e.g. built-up from baffles

Abstract

본 고안은 수평형 폐열회수 증기발생기의 장점과 수직형 폐열회수 증기발생기의 장점을 갖는 복합형 폐열회수 증기발생기에 관한 것이다.The present invention relates to a combined waste heat recovery steam generator having the advantages of a horizontal waste heat recovery steam generator and a vertical waste heat recovery steam generator.

본 고안에 따른 복합형 폐열회수 증기발생기는 비교적 고장 확률이 많은 고온고압 전열관군(53)이 수평형으로 설치되고, 비교적 고장 확률이 적은 저온저압 전열관군(65)이 수직형으로 설치되며, 가스의 흐름 경로를 변경하는 중간덕트(83)에 의해 상기 고온고압 전열관군(53)과 저온저압 전열관군(65)이 연결되고, 상기 저온저압 전열관군(65) 위에 스택(77)이 배치되는 것을 특징으로 한다.In the combined waste heat recovery steam generator according to the present invention, a high temperature and high pressure heat pipe group 53 having a relatively high probability of failure is installed horizontally, and a low temperature and low pressure heat pipe group 65 having a relatively low probability of failure is installed vertically. The high temperature and high pressure heat pipe group 53 and the low temperature and low pressure heat pipe group 65 are connected by an intermediate duct 83 for changing the flow path of the stack, and the stack 77 is disposed on the low temperature and low pressure heat pipe group 65. It features.

이것에 의해. 본 고안의 복합형 폐열회수 증기발생기는 고장 발생 확률이 비교적 많은 고온고압 전열관군이 수평형으로 설치되고, 고장 발생 확률이 비교적 적은 저온저압 전열관군이 수직형으로 설치되어 수평형 및 수직형 폐열회수 증기발생기의 장점을 동시에 취하고, 드럼과 헤더를 연결하는 내부배관의 길이를 최소로 줄일 수 있어 상기 내부배관의 열팽창에 의한 고장 발생 가능성을 감소시킬 수 있는 효과가 있다.By this. The combined waste heat recovery steam generator of the present invention has a high temperature and high pressure heat pipe group with a relatively high probability of failure, and a low temperature and low pressure heat pipe group with a relatively low probability of failure is installed vertically. Taking the advantages of the steam generator at the same time, it is possible to reduce the length of the inner pipe connecting the drum and the header to a minimum has the effect of reducing the possibility of failure due to thermal expansion of the inner pipe.

Description

복합형 폐열회수 증기발생기{COMPLEX HEAT RECOVERY STEAM GENERATOR}Combined Waste Heat Recovery Steam Generator {COMPLEX HEAT RECOVERY STEAM GENERATOR}

본 고안은 수평형 폐열회수 증기발생기의 장점과 수직형 폐열회수 증기발생기의 장점을 갖는 복합형 폐열회수 증기발생기에 관한 것으로서, 보다 상세히는 고온고압 전열관군이 수평으로 설치되고 저온저압 전열관군이 수직으로 설치된 복합형 폐열회수 증기발생기에 관한 것이다.The present invention relates to a complex waste heat recovery steam generator having the advantages of a horizontal waste heat recovery steam generator and a vertical waste heat recovery steam generator, and more specifically, the high temperature and high pressure heat pipe groups are horizontally installed and the low temperature low pressure heat pipe groups are vertical. It relates to a complex waste heat recovery steam generator installed as.

일반적으로 폐열회수 증기발생기는 열기관, 터빈 등에서 나오는 고온가스의 폐열을 회수하여 재사용하므로서 보일러의 열효율을 높이기 위한 장치로서, 형태별로 크게 수평형과 수직형으로 구분된다.In general, the waste heat recovery steam generator is a device for improving the thermal efficiency of a boiler by recovering and reusing waste heat of hot gas from a heat engine, a turbine, etc., and is classified into a horizontal type and a vertical type.

도 1을 참조하면, 종래의 수평형 폐열회수 증기발생기는 가스터빈(3)에서 배출되는 고온가스가 덕트(5)를 통해 고압 증발기(7), 고압 절탄기(9), 저압 증발기(11) 및 저압 절탄기(13) 등을 순서대로 거치면서 저압 절탄기(13), 제 1 드럼(19), 저압 증발기(11), 제 2 드럼(17), 고압 절탄기(9), 제 3 드럼(15) 및 고압 증발기(7) 순으로 고온가스의 흐름과 반대로 흐르는 물과 열교환되도록 되므로서 버려지는 고온가스의 폐열을 회수한다. 그리고, 상기 고압 증발기(7)를 통해 배출되는 증기는 고압 과열기(도시하지 않음)에서 높은 열량의 증기로 다시 가열되어 사용되고, 열교환으로 온도가 낮아진 가스는 스택(21)을 통해 배출된다.Referring to Figure 1, the conventional horizontal waste heat recovery steam generator is a high-pressure evaporator (7), a high-pressure economizer (9), a low-pressure evaporator (11), the hot gas discharged from the gas turbine (3) through the duct (5) And a low pressure fuel pelletizer 13, a first drum 19, a low pressure evaporator 11, a second drum 17, a high pressure pelletizer 9, and a third drum while passing through the low pressure pelletizer 13 and the like in sequence. (15) and the high pressure evaporator (7) in order to exchange heat with the water flowing in reverse to the flow of the hot gas to recover the waste heat of the hot gas is discarded. In addition, the steam discharged through the high pressure evaporator 7 is heated and used again by a high calorific value steam in a high pressure superheater (not shown), and the gas lowered in temperature by heat exchange is discharged through the stack 21.

상기 덕트(5)는 가스터빈(1)과 연결되는 입구쪽에서 고압 증발기(7), 고압 절탄기(9), 저압 증발기(11) 및 저압 절탄기(13) 등으로 구성되는 전열관군으로 배출되는 배출구으로 직경이 확대되고, 상기 전열관군은 고압 증발기(7) 다음에 고압 절탄기(9), 저압 증발기(11) 및 저압 절탄기(13)가 일렬로 나란하게 배열되고, 또한, 스택(21)이 전열관군 다음에 일렬로 배열된다.The duct (5) is discharged to the heat pipe group consisting of a high pressure evaporator (7), a high pressure pelletizer (9), a low pressure evaporator (11) and a low pressure pelletizer (13) at the inlet side connected to the gas turbine (1). The diameter of the heat pipe group is increased, and the heat pipe group includes a high-pressure evaporator 7 followed by a high-pressure economizer 9, a low-pressure evaporator 11, and a low-pressure economizer 13 arranged side by side, and a stack 21. ) Is arranged in a row after the heat pipe group.

고압 증발기(7), 고압 절탄기(9), 저압 증발기(11) 및 저압 절탄기(13) 등으로 구성되는 전열관군은 전열관(23)이 수직으로 설치되고, 상기 전열관(23)의 상단 및 하단에 헤더(25)가 장착된다.In the heat pipe group including the high pressure evaporator (7), the high pressure blower (9), the low pressure evaporator (11) and the low pressure blower (13), the heat transfer pipe (23) is installed vertically, and the upper end of the heat transfer pipe (23) and The header 25 is mounted at the bottom.

상기와 같이 구성된 종래의 수평형 폐열회수 증기발생기(1)는 설치가 비교적 용이하고 유지 보수를 위한 작업이 용이하지만, 설치공간을 상당히 많이 차지하여 공간확보가 어렵다.Conventional horizontal waste heat recovery steam generator (1) configured as described above is relatively easy to install and easy for maintenance, but occupies a considerable amount of installation space it is difficult to secure space.

도 2를 참조하면, 종래의 수직형 폐열회수 증기발생기(31)는 전열관군(33)의 전열관(35)이 수평으로 설치되고, 상기 전열관(35)의 양단에 헤더(37)가 장착된다. 또한, 상기 전열관(37)은 지지비임(37)에 의해 지지되고, 스택(39)이 상기 전열관군(33) 위에 배치된다.Referring to FIG. 2, in the conventional vertical waste heat recovery steam generator 31, the heat transfer tubes 35 of the heat transfer tube group 33 are horizontally installed, and the headers 37 are mounted at both ends of the heat transfer tubes 35. In addition, the heat transfer tube 37 is supported by the support beam 37, the stack 39 is disposed on the heat transfer tube group 33.

가스터빈(41)에서 나온 고온가스가 덕트(43)을 통해 상기와 같이 배치된 전열관군(33)을 하부에서 상부로 유동하게 된다.The hot gas from the gas turbine 41 flows from the lower portion to the upper portion of the heat transfer tube group 33 arranged as described above through the duct 43.

미설명한 도면번호 47 및 49는 열교환될 물과 증기를 저장하는 드럼이다.Reference numerals 47 and 49 which are not described refer to drums for storing water and steam to be exchanged.

상기와 같이 구성된 종래의 수직형 폐열회수 증기발생기는 협소간 공간에 유리하지만, 설치및 유지 보수 작업이 어렵다.Conventional vertical waste heat recovery steam generator configured as described above is advantageous in the narrow space, but installation and maintenance work is difficult.

따라서, 본 고안의 목적은 수평형 폐열회수 증기발생기의 장점과 수직형 폐열회수 증기발생기의 장점을 취하며, 단점을 보완할 수 있는 복합형 폐열회수 증기발생기를 제공하는 것이다.Accordingly, an object of the present invention is to take advantage of the horizontal waste heat recovery steam generator and the vertical waste heat recovery steam generator, and to provide a complex waste heat recovery steam generator that can compensate for the disadvantages.

상기와 같은 목적을 달성하기 위한 본 고안에 따른 복합형 폐열회수 증기발생기의 일례는 다수의 수직 전열관으로 구성된 고온고압 전열관군이 일렬로 나란하게 수평형으로 설치되고, 다수의 수평 전열관으로 구성된 저온저압 전열관군이 수직형으로 설치되며, 가스의 흐름 경로를 변경하는 중간덕트에 의해 상기 고온고압 전열관군과 저온저압 전열관군이 연결되고, 상기 저온저압 전열관군 위에 스택이 배치되는 것을 특징으로 한다.One example of the combined waste heat recovery steam generator according to the present invention for achieving the above object is a high temperature and high pressure heat pipe group consisting of a plurality of vertical heat pipes are installed in a horizontal line side by side, low temperature low pressure consisting of a plurality of horizontal heat pipes. The heat pipe group is installed vertically, the high temperature and high pressure heat pipe group and the low temperature low pressure heat pipe group are connected by an intermediate duct for changing a gas flow path, and the stack is disposed on the low temperature low pressure heat pipe group.

도 1은 종래의 수평형 폐열회수 증기발생기를 도시한 개략도1 is a schematic diagram showing a conventional horizontal waste heat recovery steam generator

도 2는 종래의 수직형 폐열회수 증기발생기를 도시한 개략도Figure 2 is a schematic diagram showing a conventional vertical waste heat recovery steam generator

도 3은 본 고안에 따른 복합형 폐열회수 증기발생기를 도시한 개략도3 is a schematic view showing a combined waste heat recovery steam generator according to the present invention

*도면의 주요부분에 대한 부호설명** Description of Signs of Main Parts of Drawings *

1 : 수평형 폐열회수 증기발생기 3, 41, 79 : 가스터빈1: Horizontal waste heat recovery steam generator 3, 41, 79: Gas turbine

5, 43, 81, 83 : 덕트 7 : 고압 증발기5, 43, 81, 83: duct 7: high pressure evaporator

9 : 고압 절탄기 11 : 저압 증발기9: high pressure pelletizer 11: low pressure evaporator

13 : 저압 절탄기 15, 17, 19, 45, 47, 61, 63 : 드럼13: low-pressure cutter 15, 17, 19, 45, 47, 61, 63: drum

21, 39, 77 : 스택 31 : 수직형 폐열회수 증기발생기21, 39, 77: stack 31: vertical waste heat recovery steam generator

51 : 복합형 폐열회수 증기발생기 53 : 고온고압 전열관군51: complex waste heat recovery steam generator 53: high temperature high pressure heat pipe group

55, 67 : 전열관 57, 69 : 헤더55, 67: heat pipe 57, 69: header

65 : 저온저압 전열관군 71 : 지지비임65: low temperature low pressure heat pipe group 71: support beam

도 3을 참조하면, 본 고안에 따른 복합형 폐열회수 증기발생기(51)는 비교적 고장 확률이 많은 고온고압 전열관군(53)이 수평형으로 설치되고, 비교적 고장 확률이 적은 저온저압 전열관군(65)이 수직형으로 설치되며, 가스의 흐름 경로를 변경하는 중간덕트(83)에 의해 상기 고온고압 전열관군(53)과 저온저압 전열관군(65)이 연결되고, 상기 저온저압 전열관군(65) 위에 스택(77)이 배치된다.Referring to FIG. 3, the complex waste heat recovery steam generator 51 according to the present invention has a high temperature and high pressure heat pipe group 53 having a relatively high probability of failure in a horizontal type, and a low temperature and low pressure heat pipe group having a relatively low probability of failure (65). ) Is installed vertically, the high temperature and high pressure heat pipe group 53 and the low temperature and low pressure heat pipe group 65 are connected by an intermediate duct 83 for changing a gas flow path, and the low temperature and low pressure heat pipe group 65 is connected. The stack 77 is disposed above.

상기 고온고압 전열관군(53)은 수직으로 설치된 다수의 전열관(55)이 일렬로 나란하게 배치되고, 상기 전열관(55)의 상단 및 하단에 헤더(57)가 장착되며, 상기 헤더(57)에 연결되는 드럼(61, 63)이 위쪽에 설치된다.The high temperature and high pressure heat pipe group 53 is a plurality of heat pipes 55 are installed vertically arranged side by side, the header 57 is mounted on the top and bottom of the heat pipe 55, the header 57 Drums 61 and 63 to be connected are installed above.

상기 저온저압 전열관군(65)은 가스의 흐름을 변경하는 중간덕트(83)에 의해 연결되고, 수평으로 설치된 다수의 전열관(67)이 수직으로 적층되게 배치되며, 전열관(67) 양단에 헤더(69)가 장착되고, 상기 다수의 헤더(69) 중 어느 한 헤더가 드럼(73)에 연결되며, 상기 전열관(65)이 다수의 지지비임(71)에 의해 지지된다.The low temperature low pressure heat pipe group 65 is connected by an intermediate duct 83 that changes the flow of gas, and a plurality of horizontal heat pipes 67 are horizontally arranged to be stacked vertically, and the headers are disposed at both ends of the heat pipe 67. 69 is mounted, any one of the plurality of headers 69 is connected to the drum 73, and the heat pipe 65 is supported by the plurality of support beams 71.

상기와 같이 구성된 본 고안에 따른 복합형 폐열회수 증기발생기는 가스터빈(79)에서 배출되는 고온가스가 입구측 덕트(81)를 통해 고온고압 전열관군(53)으로 유동하여 다수의 전열관(57)에서 열교환되고, 그 후 상기 고온고압 전열관군(53)을 통과한 가스가 중간덕트(83)를 통해 저온저압 전열관군(65)로 유입되어 다수의 전열관(67)에서 열교환된 후 스택(77)을 통해 배출된다.In the combined waste heat recovery steam generator according to the present invention configured as described above, the hot gas discharged from the gas turbine 79 flows to the high temperature and high pressure heat transfer pipe group 53 through the inlet-side duct 81, thereby providing a plurality of heat transfer pipes 57. After the heat exchange in the heat, the gas passing through the high temperature and high pressure heat pipe group 53 is introduced into the low temperature low pressure heat pipe group 65 through the intermediate duct 83, the heat exchange in the plurality of heat pipes 67, the stack 77 Is discharged through.

상술한 바와같이, 본 고안에 따른 복합형 폐열회수 증기발생기는 고장 발생 확률이 비교적 많은 고온고압 전열관군이 수평형으로 설치되고, 고장 발생 확률이 비교적 적은 저온저압 전열관군이 수직형으로 설치되어 전체 설비의 설치, 유지 및 보수 작업이 용이하고, 효율적인 공간 활용이 가능하고, 드럼과 헤더를 연결하는 내부배관의 길이를 최소로 줄일 수 있어 상기 내부배관의 열팽창에 의한 고장 발생 가능성을 감소시킬 수 있는 효과가 있다.As described above, the complex waste heat recovery steam generator according to the present invention has a high temperature and high pressure heat pipe group having a relatively high probability of failure is installed horizontally, and a low temperature and low pressure heat pipe group having a relatively low probability of failure is installed vertically. Easy installation, maintenance and repair of equipment, efficient space utilization, and the length of the inner pipe connecting the drum and the header can be reduced to a minimum, which can reduce the possibility of failure due to thermal expansion of the inner pipe. It works.

Claims (1)

고온고압 전열관군(53)이 수평형으로 설치되고, 저온저압 전열관군(65)이 수직형으로 설치되며, 가스의 흐름 경로를 변경하는 중간덕트(83)에 의해 상기 고온고압 전열관군(53)과 저온저압 전열관군(65)이 연결되고, 상기 저온저압 전열관군(65) 위에 스택(77)이 배치되는 것을 특징으로 하는 복합형 폐열회수 증기발생기.The high temperature and high pressure heat pipe group 53 is installed horizontally, the low temperature and low pressure heat pipe group 65 is installed vertically, and the high temperature and high pressure heat pipe group 53 is formed by an intermediate duct 83 for changing a gas flow path. And a low temperature low pressure heat pipe group (65) are connected, and the stack 77 is disposed on the low temperature low pressure heat pipe group (65).
KR2019990016224U 1999-08-09 1999-08-09 Complex heat recovery steam generator KR200167978Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009045873A3 (en) * 2007-10-01 2009-05-22 Riley Power Inc Municipal solid waste fuel steam generator with waterwall furnace platens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009045873A3 (en) * 2007-10-01 2009-05-22 Riley Power Inc Municipal solid waste fuel steam generator with waterwall furnace platens
US8096268B2 (en) 2007-10-01 2012-01-17 Riley Power Inc. Municipal solid waste fuel steam generator with waterwall furnace platens

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