Abstract:
본 발명은 수분을 함유하는 고온부의 가스로부터 수열하여 액화가스 기화기에 있어서 극저온인 액화가스의 입구측을 열교환기의 고온측과 열교환되도록 전열관의 유동패턴을 변경하여 고온가스가 흐르는 통로 내에 가스 중의 수증기가 결빙되지 않도록 전열관을 특별하게 구성한 액화가스 기화용 열교환기에 관한 것이다. 본 발명의 주요구성은 수분함유 열매가스가 지나는 열매가스입구부와 열매가스출구부 사이에 형성되는 통로와, 상기 통로에 열매가스의 유동방향에 대해 수직하게 배치되고 입구측이 상기 열매가스입구부에 인접한 상기 통로의 상부에 형성되고, 상기 출구측은 상기 통로의 중간부에 형성되는 전열관을 구비하되, 상기 전열관은 통로의 상부에 형성된 입구측에서 통로의 하부를 경유한 후 중간부에 형성된 출구측으로 연결되고, 상기 전열관의 상부는 열매가스의 흐름방향과 동일한 방향으로 이동되는 병행류형식의 열교환이 이루어지고, 상기 전열관의 하부는 열매가스의 흐름방향과 반대방향으로 이동되면서 대향류형식의 열교환이 이루어지며, 상기 열매가스입구부에 인접한 상부의 병행류 전열관은 액화가스에 의한 수분결빙이 발생하지 않도록 전열면적 큰 것을 특징으로 한다.
Abstract:
본 발명은 연소중 숯과 재가 부양되더라도 다시 연소기로 떨어질 수 있는 목재 펠릿 보일러의 테이퍼형 연소기에 관한 것이다. 이를 위해, 내부에 목재펠릿이 연소하는 중공의 본체(114); 본체(114)의 하부에 형성되고, 바닥통기공(125)이 형성된 바닥면(120); 및 본체(114)의 상부에 위치하고, 유동단면적을 좁히는 방향으로 경사지게 형성된 테이퍼부(112);가 제공된다.
Abstract:
본 발명은 연소중 숯과 재가 부양되더라도 다시 연소기로 떨어질 수 있는 테이퍼형 연소기를 갖는 목재 펠릿 보일러 및 그 동작방법에 관한 것이다. 이를 위해, 내부에 목재펠릿이 연소하고 측면에는 적어도 하나의 측면통기공(116)이 형성된 중공의 본체(114), 본체(114)의 하부에 형성되고 바닥통기공(125)이 형성된 바닥면(120), 본체(114)의 상부에 위치하고 유동단면적을 좁히는 방향으로 경사지게 형성된 테이퍼부(112), 테이퍼부(112)의 상부에 위치하고 유동단면적을 넓히는 방향으로 경사지게 형성되어 목재펠릿(150)의 투입을 유도하는 연료투입부(110)를 포함하는 연소기(100); 본체(114)와 이격된 채 연소기(100)를 둘러싸는 하우징(130); 및 바닥면(120)을 둘러싸는 바닥하우징(140)이 제공된다.
Abstract:
A cooling system of a generator according to the present invention comprises: a rotary shaft connected to a turbine, and rotated along with the turbine; a rotor coupled to the central portion of the rotary shaft, and able to rotate along with the rotary shaft; and a cylindrical stator positioned outside the rotational radius of the rotor, and has: a cooling fluid inlet formed by penetrating the outer and the inner circumferential surface of the stator, and allowing a partial working fluid extracted from the outlet end of a pump to flow as a cooling fluid and to flow into the stator; a cooling flow path extended from the outlet of the cooling fluid inlet to the rear side of the turbine, and providing a flow path through which the cooling fluid flowing into the stator can flow to the rear side of the turbine after cooling the inside of the housing; and a turbine rear side flow path positioned at the rear side of the turbine, and allowing the cooling fluid flowing from the cooling flow path to flow to a working fluid inlet using a centrifugal force due to the rotation of the turbine, wherein the partial working fluid extracted from the outlet end of the pump is used as the cooling fluid, and the cooling fluid evaporated inside the housing is utilized as the working fluid for the turbine again.
Abstract:
PURPOSE: A fuel storage unit and a boiler for solid fuel including the same are provided to form an inclined surface and supply solid fuel to a fuel transferring unit along the inclined surface when the amount of solid fuel to be stored is small, thereby preventing solid fuel from remaining in the storage. CONSTITUTION: A boiler for solid fuel comprises a burner unit (120), a fuel storage unit (210) and a fuel transferring unit (220). The fuel storage unit comprises a fuel storage pit (211), an assistant plate (214) and a unit for controlling a tilt angle. The fuel storage pit has space for solid fuel to be stored and an inlet unit for the solid fuel to be put into the fuel transferring unit. The assistant plate is positioned within the fuel storage pit. The assistant plate guides the solid fuel stored in the fuel storage pit to the inlet unit. The tilt angle control unit controls the inclination angle between the assistant plate and the bottom surface of the fuel storage pit.
Abstract:
PURPOSE: An organic rankine cycle power generation system using solar heat is provided to prevent safety accidents and damage to members for power generation, and to reduce time for charging external devices. CONSTITUTION: An organic rankine cycle power generation system(100) using solar heat comprises an energy supply unit(102), a pre-heater(104), an evaporator(106), a turbine(108), an electricity generating unit(110), a condenser(114), a solar absorption chiller(112), an engine chiller(116), a storage tank(118), and a pump(120). The solar absorption chiller produces cold energy with solar heat, and provides the cold energy to the condenser. The solar absorption chiller continuously cools condensed liquid by recovering the cold energy from the condenser. The engine chiller provides a catalyst to the condenser, and continuously cools the condensed liquid by recovering the catalyst from the condenser. The storage tank stores the condensed liquid supplied through the condenser. The pump pumps the condensed liquid to supply the liquid to the pre-heater. [Reference numerals] (102) Energy supply unit; (104) Pre-heater; (106) Evaporator; (108) Turbine; (110) Electricity generating unit; (112) Solar absorption chiller; (114) Condenser; (116) Engine chiller; (118) Storage tank; (120) Pump; (AA) Coolant; (BB) Cold energy
Abstract:
An oxy-fuel combustion boiler for high concentration of carbon dioxide is provided to prevent the condensation of water in re-circulated exhaust gas and to prevent the damage of an exhaust gas recirculation duct and a burner and combustion troubles due to condensed water by make re-circulated exhaust gas re-supplied to a boiler exchange heat with exhaust gas discharged from a boiler and raising the temperature of exhaust gas above the saturation temperature of water. An oxy-fuel combustion boiler for high concentration of carbon dioxide comprises a boiler(10) burning fuel and an oxidizer to heat water and discharging exhaust gas to an exhaust pipe(12), a liquid oxygen tank(40) supplying liquid oxygen, an atmospheric liquid oxygen converter(50) connected with the liquid oxygen tank to supply heat to liquid oxygen by air in the atmosphere and to evaporate the liquid oxygen, a CO2 liquefier(30) liquefying high-concentration carbon dioxide among exhaust gas discharged from the boiler, a fuel economizer(20) making the high-temperature exhaust gas discharged from the boiler exchange heat with the water supplied to the boiler, a re-circulated exhaust gas heater(90) getting a supply of a portion of the exhaust gas discharged from the boiler to the re-circulated exhaust gas along a recirculation pipe branched from an exhaust pipe by a ventilator and exchanging heat with the high-temperature exhaust gas discharged from the boiler to heat the re-circulated exhaust gas, and a mixer(60) getting a supply of the re-circulated exhaust gas heat-exchanged in the re-circulated exhaust gas heater and the oxygen evaporated in the liquid oxygen converter and mixing to be used as an oxidizer.
Abstract translation:提供一种用于高浓度二氧化碳的富氧燃烧锅炉,用于防止再循环废气中水的冷凝,并防止废气再循环管和燃烧器的损坏以及由于冷凝水造成的凝结水引起的燃烧故障 再次供应到锅炉的循环废气与从锅炉排放的废气交换热量,并将废气温度升高到水的饱和温度以上。 一种用于高浓度二氧化碳的富氧燃烧锅炉,包括燃烧燃料和氧化剂以加热水并将废气排放到排气管(12)的锅炉(10),提供液氧的液氧罐(40) 大气液氧转换器(50),与液氧罐连接以通过大气中的空气向液态氧供热并蒸发液态氧; CO 2液化器(30),液化从锅炉排出的废气中的高浓度二氧化碳 ,使从锅炉排出的高温排气与供给锅炉的水进行热交换的燃料节约装置(20),对从排出装置排出的排气的一部分进行供给的再循环排气加热器(90) 将锅炉沿着通过排气管从排气管分支出来的再循环管排放到再循环的排气中,并与锅炉排出的高温排气进行热交换以加热再循环的排气 以及混合器(60),用于供应在再循环废气加热器中进行热交换的再循环废气和在液氧转化器中蒸发的氧气并混合以用作氧化剂。