KR20160070247A - Apparatus for boiler water preheating in ships - Google Patents

Apparatus for boiler water preheating in ships Download PDF

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KR20160070247A
KR20160070247A KR1020140175854A KR20140175854A KR20160070247A KR 20160070247 A KR20160070247 A KR 20160070247A KR 1020140175854 A KR1020140175854 A KR 1020140175854A KR 20140175854 A KR20140175854 A KR 20140175854A KR 20160070247 A KR20160070247 A KR 20160070247A
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South Korea
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water
boiler
cooling water
waste gas
engine
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KR1020140175854A
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Korean (ko)
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정현욱
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주식회사 현대미포조선
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Priority to KR1020140175854A priority Critical patent/KR20160070247A/en
Publication of KR20160070247A publication Critical patent/KR20160070247A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J3/00—Driving of auxiliaries
    • B63J3/02—Driving of auxiliaries from propulsion power plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/12—Heating; Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
    • F02G5/02—Profiting from waste heat of exhaust gases
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
    • Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels
    • Y02T70/5236—Renewable or hybrid-electric solutions

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)

Abstract

An apparatus for preheating boiler supply water for a ship preheats boiler supply water which is supplied for a waste gas boiler operated by recovering heat of waste gas of an engine of a ship, and comprises: a boiler water supply tank in which boiler supply water is stored; a water supply pump to supply water to the waste gas boiler from the boiler water supply tank; a coolant guide passage to guide a high temperature coolant discharged after cooling the engine of the ship to a path for supplying the coolant to the waste gas boiler from the boiler water supply tank; and a water supply heater arranged on the path for supplying the water to the waste gas boiler from the boiler water supply tank to exchange heat between the high temperature coolant and the boiler supply water guided by the coolant guide passage. The supply water of the boiler which uses the heat of the waste gas of the engine of the ship is preheated by recovering heat of the coolant of the engine of the ship to reduce a fuel consumption amount.

Description

선박의 보일러 공급수 예열 장치{Apparatus for boiler water preheating in ships}[0001] Apparatus for boiler water preheating in ships [0002]

본 발명은 선박의 보일러 공급수 예열 장치에 관한 것으로서, 보다 상세하게는 선박 엔진 냉각수를 이용하여 선박의 폐열을 회수하고 이를 이용하는 보일러 공급수의 온도를 상승시킬 수 있도록 하는 선박의 보일러 공급수 예열 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a boiler feed water preheating apparatus for a ship, and more particularly, to a boiler feed water preheating apparatus for recovering waste heat of a ship using ship engine cooling water, .

선박의 보일러는 선박의 엔진이 동작하면서 배출하는 폐기가스의 열을 회수하여 동작하는 것이 일반적이다. 그러나, 최근의 선박은 연료 소모량 저감 등을 목적으로 폐기가스의 온도가 낮게 제작되어, 폐기가스의 열을 이용하는 선박 보일러의 용량이 감소되는 문제점이 있다. The boiler of a ship generally operates by recovering the heat of the waste gas discharged while the engine of the ship is operating. However, recent vessels have a problem that the temperature of the waste gas is made low for the purpose of reducing fuel consumption, and the capacity of the ship boiler using the waste gas heat is reduced.

이를 해결하기 위하여, 별도로 공급되는 연료를 사용하여 동작하는 보일러를 운전하게 된다. In order to solve this problem, a boiler operating using fuel supplied separately is operated.

그러나, 연료를 별도로 공급하여 연료 소비가 증가되므로, 폐기가스의 열을 회수하여 연료 소비를 감소시키고자 하는 목적을 달성하지 못하는 문제점이 있다. However, since fuel consumption is increased by supplying fuel separately, there is a problem in that it is not possible to achieve the object of reducing the fuel consumption by recovering the heat of the waste gas.

본 발명에 대한 선행기술로는 공개특허 2013-0112473호를 예시할 수 있다. Prior art to the present invention may be exemplified by the publication No. 2013-0112473.

본 발명은 상기한 문제점을 해결하기 위해 안출된 것으로서, 선박 엔진 폐기가스의 열을 사용하는 보일러의 공급수에 선박 엔진의 냉각수의 열을 회수하여 예열함으로써 연료 소모량을 감소시킬 수 있는 선박의 보일러 공급수 예열 장치를 제공하는 것을 목적으로 한다. SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems described above, and it is an object of the present invention to provide a boiler supply system capable of reducing fuel consumption by recovering heat of cooling water of a ship engine to supply water of a boiler using heat of a ship engine waste gas, And it is an object of the present invention to provide a water preheating apparatus.

상기한 목적을 달성하기 위해 본 발명은, 선박 엔진의 폐기가스의 열을 회수하여 동작하는 폐기가스 보일러에 대하여 공급되는 보일러 공급수를 예열하는 장치로서, 보일러 공급수가 저장되는 보일러 급수 탱크; 상기 보일러 급수 탱크에서 상기 폐기가스 보일러로 용수를 공급하는 급수 펌프; 상기 선박의 엔진을 냉각한 후 배출되는 고온의 냉각수를 보일러 급수 탱크에서 상기 폐기가스 보일러로 공급하는 경로로 유도하는 냉각수 유도로; 및 상기 보일러 급수 탱크에서 상기 폐기가스 보일러로 용수가 공급되는 경로 상에 배치되어 상기 냉각수 유도로를 통해 유도된 상기 고온의 냉각수와 상기 보일러 공급수가 열교환하도록 하는 급수 히터; 를 포함하는 선박의 보일러 공급수 예열 장치를 제공한다.In order to achieve the above object, the present invention provides an apparatus for preheating boiler feed water supplied to a waste gas boiler operating by recovering waste gas heat of a marine engine, comprising: a boiler feedwater tank storing boiler feed water; A water supply pump for supplying water from the boiler feed water tank to the waste gas boiler; A coolant induction furnace for guiding high-temperature cooling water discharged after cooling the engine of the ship to a path for supplying from the boiler feed water tank to the waste gas boiler; And a water heater disposed on a path through which water is supplied from the boiler feed water tank to the waste gas boiler so as to heat-exchange the high temperature cooling water and the boiler feed water led through the cooling water guide path; To the boiler feed water preheating apparatus.

상기 엔진에서 배출되는 냉각수의 온도를 측정하고 해당하는 신호를 출력하는 온도 센서; 상기 엔진 냉각수의 배출 경로상에 배치되고 상기 온도 센서의 출력 신호에 따라 상기 냉각수를 상기 엔진으로 재순환하거나 냉각수 냉각부로 순환시키는 삼방 밸브를 더 포함할 수 있다.A temperature sensor for measuring the temperature of the cooling water discharged from the engine and outputting a corresponding signal; And a three-way valve disposed on an exhaust path of the engine cooling water and recirculating the cooling water to the engine or circulating the cooling water to the cooling water cooling unit in accordance with an output signal of the temperature sensor.

상기 온도 센서는, 상기 냉각수의 온도가 90도 이상이면, 상기 삼방 밸브가 상기 냉각수를 상기 냉각수 냉각부로 순환되도록 하는 신호를 출력할 수 있다.The temperature sensor may output a signal for causing the three-way valve to circulate the cooling water to the cooling water cooling unit when the temperature of the cooling water is 90 degrees or more.

상기와 같은 본 발명은, 선박 엔진 폐기가스의 열을 사용하는 보일러의 공급수에 선박 엔진의 냉각수의 열을 회수하여 예열함으로써 연료 소모량을 감소시킬 수 있다. The present invention as described above can reduce the fuel consumption by recovering the heat of the cooling water of the marine engine to the supply water of the boiler using the heat of the marine engine waste gas and preheating it.

도 1은 본 발명의 일 실시예에 따른 선박의 보일러 공급수 예열 장치의 구성의 일 예를 나타내는 블록도이다. 1 is a block diagram showing an example of the configuration of a boiler feedwater preheater of a ship according to an embodiment of the present invention.

이하 첨부된 도면을 참조하면서 본 발명에 따른 바람직한 실시예를 상세히 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 일 실시예에 따른 선박의 보일러 공급수 예열 장치의 구성의 일 예를 나타내는 블록도이다. 1 is a block diagram showing an example of the configuration of a boiler feedwater preheater of a ship according to an embodiment of the present invention.

도 1을 참조하면, 본 발명의 일 실시예에 따른 선박의 보일러 공급수 예열 장치(100)는 보일러 급수 탱크(110), 급수 펌프(P1), 급수 히터(120), 냉각수 유도로(130)를 포함한다. 1, a boiler feed water preheater 100 according to an embodiment of the present invention includes a boiler feed water tank 110, a water feed pump P1, a water heater 120, a coolant induction furnace 130, .

또한, 본 발명의 일 실시예에 따른 선박의 보일러 공급수 예열 장치(100)는 온도 센서(140)와 삼방 밸브(150)를 더 포함한다. In addition, the boiler feed water preheater 100 of the present invention further includes a temperature sensor 140 and a three-way valve 150.

보일러 급수 탱크(110)는 선박의 보일러, 즉 선박 엔진(1)의 동작에 의해 발생되어 배출되는 폐기 가스의 열을 이용하여 동작하는 선박의 보일러(2)에서 사용되는 보일러 공급수를 공급한다. 보일러 급수 탱크(110)는 소정의 저장 용량을 갖는다. The boiler feedwater tank 110 supplies the boiler feed water used in the boiler 2 of the ship operating using the heat of the ship, that is, the waste gas generated and discharged by the operation of the ship engine 1. The boiler feed water tank 110 has a predetermined storage capacity.

급수 펌프(P1)는 보일러 급수 탱크(110)에 저장되어 있는 보일러 공급수를 급수 히터(120)로 공급한다.The water supply pump (P1) supplies the boiler feed water stored in the boiler feed water tank (110) to the water heater (120).

급수 히터(120)는 선박 엔진의 냉각에 사용된 후 배출되는 냉각수와 보일러 급수 탱크(110)에서 공급되는 보일러 공급수가 서로 열교환 되도록 하여, 보일러(2)로 공급하는 공급수를 예열할 수 있다. 급수 히터(120)에서 열교환된 보일러 공급수는 폐기가스 보일러(2)로 공급되고, 이에 의해 에너지 사용량이 저감될 수 있다. The water heater 120 may heat the supply water to be supplied to the boiler 2 by allowing heat exchange between the cooling water discharged after being used for cooling the ship engine and the boiler supply water supplied from the boiler water supply tank 110. The boiler feed water heat-exchanged in the water heater 120 is supplied to the waste gas boiler 2, whereby the energy consumption can be reduced.

선박의 엔진(1)은 엔진의 원활한 동작을 위해 냉각수가 공급된다. 냉각수는 선박의 엔진으로 공급되어, 선박의 엔진을 냉각시킨 후 배출되며, 냉각수 쿨러(3)에서 냉각된다. 여기서, 냉각수 유도로(130)는 선박 엔진(1)에서 엔진을 냉각시키고 배출되는 고온의 냉각수를 급수 히터(120)로 유도한다. The engine 1 of the ship is supplied with cooling water for smooth operation of the engine. The cooling water is supplied to the engine of the ship, cooled after the engine of the ship is cooled, and cooled by the cooling water cooler (3). Here, the cooling water guide passage 130 cools the engine in the marine engine 1 and guides the high-temperature cooling water discharged to the water heater 120.

냉각수 유도로(130)는 냉각수 쿨러(3)로 연결되는 냉각수 배관과 급수 히터(120)를 연결하는 인입관(130A)과 급수 히터(120)와 냉각수 배관을 연결하여 온도가 낮아진 냉각수를 인출하는 인출관(130B)을 포함한다. The cooling water induction furnace 130 connects the inlet pipe 130A connecting the cooling water pipe connected to the cooling water cooler 3 and the water heater 120 and the water heater 120 and the cooling water pipe, And a take-out tube 130B.

인입관(130A)은 엔진(1)에서 배출되는 고온의 냉각수를 흡수 히터(120)로 공급하고, 인출관(130B)은 급수 히터(120)에서 열교환되어 온도가 낮아진 후 배출되는 냉각수가 냉각수 배관을 통해 냉각수 쿨러(3)로 유입되도록 한다. The inlet pipe 130A supplies the high temperature cooling water discharged from the engine 1 to the absorption heater 120 and the outlet pipe 130B is heat exchanged in the water supply heater 120. The cooling water, To the coolant cooler (3).

냉각수 배관 상에서의 냉각수 순환은 냉각수 펌프(P2)에 의해 이루어질 수 있다. The cooling water circulation on the cooling water pipe can be made by the cooling water pump P2.

온도 센서(140)는 선박 엔진에서 냉각수 쿨러(3)로 연결되는 냉각수 배관 상에 배치되어, 엔진(1)에서 배출되는 냉각수의 온도를 측정하고 이에 해당하는 신호를 출력한다. 온도 센서(140)에서 출력되는 신호는 후술하는 삼방 밸브(150)로 입력된다.The temperature sensor 140 is disposed on the cooling water pipe connected to the cooling water cooler 3 in the marine engine, and measures the temperature of the cooling water discharged from the engine 1 and outputs a signal corresponding thereto. The signal output from the temperature sensor 140 is input to the three-way valve 150 to be described later.

삼방 밸브(150)는 냉각수의 온도가 일정이상이면, 냉각수가 냉각수 쿨러(3)로 유입되도록 하고, 냉각수의 온도가 일정이하이면 냉각수 순환 경로 상에서 냉각수가 순환되도록 한다. Way valve 150 allows the cooling water to flow into the cooling water cooler 3 when the temperature of the cooling water is equal to or higher than a certain level and allows the cooling water to circulate on the cooling water circulation path when the temperature of the cooling water is lower than a certain level.

여기서, 온도 센서(140)는 냉각수의 온도가 90℃도로 유지하도록 제어 신호를 출력하고, 이를 입력받은 삼방 밸브(150)는 냉각수를 냉각수 쿨러(3)로 유입 또는 우회하도록 동작한다. Here, the temperature sensor 140 outputs a control signal so that the temperature of the cooling water is maintained at 90 ° C, and the three-way valve 150 receiving the control signal operates to flow or bypass the cooling water to the cooling water cooler 3.

본 발명은, 선박 엔진에서 배출되는 폐기가스의 열을 사용하는 보일러의 공급수에 선박 엔진의 냉각수의 열을 회수하여 예열함으로써 연료 소모량을 감소시킬 수 있다. The present invention can reduce fuel consumption by recovering and preheating the heat of the cooling water of the marine engine to the supply water of the boiler using heat of the waste gas discharged from the marine engine.

본 발명은 도면에 도시된 실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 본 기술 분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 다른 실시예가 가능하다는 점을 이해할 것이다. 따라서, 본 발명의 진정한 기술적 보호 범위는 첨부된 특허청구범위의 기술적 사상에 의하여 정해져야 할 것이다.While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: 보일러 공급수 예열 장치
110: 보일러 급수 탱크
120: 급수 히터
130: 냉각수 유도로
140: 온도 센서
150: 삼방 밸브
P1: 급수 펌프100: Boiler feed water preheater
110: Boiler feed water tank
120: Water heater
130: Cooling water induction furnace
140: Temperature sensor
150: Three-way valve
P1: Feed pump

Claims (3)

선박 엔진의 폐기가스의 열을 회수하여 동작하는 폐기가스 보일러에 대하여 공급되는 보일러 공급수를 예열하는 장치로서,
보일러 공급수가 저장되는 보일러 급수 탱크;
상기 보일러 급수 탱크에서 상기 폐기가스 보일러로 용수를 공급하는 급수 펌프;
상기 선박의 엔진을 냉각한 후 배출되는 고온의 냉각수를 보일러 급수 탱크에서 상기 폐기가스 보일러로 공급하는 경로로 유도하는 냉각수 유도로; 및
상기 보일러 급수 탱크에서 상기 폐기가스 보일러로 용수가 공급되는 경로 상에 배치되어 상기 냉각수 유도로를 통해 유도된 상기 고온의 냉각수와 상기 보일러 공급수가 열교환하도록 하는 급수 히터;
를 포함하는 선박의 보일러 공급수 예열 장치.An apparatus for preheating boiler feed water supplied to a waste gas boiler operating by recovering heat of a waste gas of a marine engine,
A boiler feed water tank in which boiler feed water is stored;
A water supply pump for supplying water from the boiler feed water tank to the waste gas boiler;
A coolant induction furnace for guiding high-temperature cooling water discharged after cooling the engine of the ship to a path for supplying from the boiler feed water tank to the waste gas boiler; And
A water heater disposed on a path through which water is supplied from the boiler feed water tank to the waste gas boiler so as to heat-exchange the high temperature cooling water introduced from the cooling water induction furnace and the boiler feed water;
The boiler feed water preheating device of the vessel including the boiler feed water preheater. 제1항에 있어서,
상기 엔진에서 배출되는 냉각수의 온도를 측정하고 해당하는 신호를 출력하는 온도 센서;
상기 엔진 냉각수의 배출 경로상에 배치되고 상기 온도 센서의 출력 신호에 따라 상기 냉각수를 상기 엔진으로 재순환하거나 냉각수 냉각부로 순환시키는 삼방 밸브를 더 포함하는 선박의 보일러 공급수 예열 장치.The method according to claim 1,
A temperature sensor for measuring the temperature of the cooling water discharged from the engine and outputting a corresponding signal;
Further comprising a three-way valve disposed on a discharge path of the engine cooling water for recirculating the cooling water to the engine or circulating the cooling water to the cooling water cooling section in accordance with an output signal of the temperature sensor. 제2항에 있어서,
상기 온도 센서는,
상기 냉각수의 온도가 90도 이상이면, 상기 삼방 밸브가 상기 냉각수를 상기 냉각수 냉각부로 순환되도록 하는 신호를 출력하는 선박의 보일러 공급수 예열 장치.3. The method of claim 2,
Wherein the temperature sensor comprises:
Wherein the three-way valve outputs a signal for circulating the cooling water to the cooling water cooling section when the temperature of the cooling water is 90 degrees or more.
KR1020140175854A 2014-12-09 2014-12-09 Apparatus for boiler water preheating in ships KR20160070247A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115506098A (en) * 2022-09-21 2022-12-23 广东前进牛仔布有限公司 System and method for recycling cooling water of cloth guide roller of singeing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115506098A (en) * 2022-09-21 2022-12-23 广东前进牛仔布有限公司 System and method for recycling cooling water of cloth guide roller of singeing machine
CN115506098B (en) * 2022-09-21 2024-04-02 广东前进牛仔布有限公司 System and method for recycling cooling water of cloth guide roller of singeing machine

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