Abstract: A human load of regularly measuring a pH of a position 4 meters from a discharge point during a term of a commissioning of a ship with a scrubber apparatus is reduced. Provided is an apparatus provided inside a ship having a scrubber, including a first pH measuring instrument which measures a pH value of washing water discharged from the scrubber to outboard, a second pH measuring instrument which measures a pH value of washing water supplied from outboard to the scrubber, and a calculating unit which calculates a pH value of water at a predetermined position outboard, based on a dilution ratio which shows a ratio by which the washing water discharged to outboard is diluted at the predetermined position outboard, the pH value measured by the first pH measuring instrument, and the pH value measured by the second pH measuring instrument.

Abstract: A human load of regularly measuring a pH of a position 4 meters from a discharge point during a term of a commissioning of a ship with a scrubber apparatus is reduced. Provided is an apparatus provided inside a ship having a scrubber, including a first pH measuring instrument which measures a pH value of washing water discharged from the scrubber to outboard, a second pH measuring instrument which measures a pH value of washing water supplied from outboard to the scrubber, and a calculating unit which calculates a pH value of water at a predetermined position outboard, based on a dilution ratio which shows a ratio by which the washing water discharged to outboard is diluted at the predetermined position outboard, the pH value measured by the first pH measuring instrument, and the pH value measured by the second pH measuring instrument.

Abstract: An exhaust gas processing apparatus that processes exhaust gas, including a reaction tower that includes an internal space extending in a height direction; a trunk tube that extends in the height direction in the internal space of the reaction tower and transports a liquid; and a plurality of branch tubes that are provided extending from an outer side surface of the trunk tube toward an inner side surface of the reaction tower, each include an ejecting section that ejects the liquid supplied from the trunk tube, and are provided at positions at different heights. Ejection regions of the liquid where the liquid is ejected from the respective ejecting sections of branch tubes that are adjacent in the height direction include a region in which the ejection regions partially overlap in an overhead view as seen from the height direction.

Abstract: A method for controlling an amount of seawater supplied to a scrubber that purifies sulfur oxide contained in exhaust gas by bringing the sulfur oxide into contact with seawater, includes calculating a minimum amount of seawater necessary for an absorption reaction of the sulfur oxide by the seawater, from an engine output, a sulfur content of fuel oil, and a predetermined alkalinity of the seawater, calculating a corrected amount of seawater as an amount of seawater at which the sulfur oxide in the exhaust gas discharged into atmosphere from the scrubber is equal to or less than a set variable based on a measured value of the sulfur oxide in the exhaust gas, calculating a set amount of seawater by summing the minimum amount of seawater and the corrected amount of seawater and implementing control such that seawater corresponding to the set amount is supplied to the scrubber.

Abstract: An amount of seawater control device controls an amount of seawater supplied to a scrubber that purifies sulfur oxide contained in exhaust gas by bringing the sulfur oxide into contact with seawater. The control device includes a minimum amount of seawater converter which calculates a minimum amount of seawater necessary for an absorption reaction of the sulfur oxide by the seawater, an amount of seawater correction converter which calculates a corrected amount of seawater which is an amount of seawater at which the sulfur oxide contained in the exhaust gas discharged into atmosphere from the scrubber is equal to or less than a set variable, a summing element which calculates a set amount of seawater by summing the minimum amount of seawater and the corrected amount of seawater, and a pump control device which implements control such that seawater corresponding to the set amount is supplied to the scrubber.

Abstract: A control device for a scrubber includes a converter which calculates a minimum amount of seawater: a minimum amount of seawater necessary for an absorption reaction of the sulfur oxide by the seawater, from an engine output and a sulfur content of fuel oil; another converter which calculates a corrected amount of seawater: an amount of seawater at which the sulfur oxide in the exhaust gas discharged from the scrubber is equal to or less than a set value; a summing element which calculates a set amount of seawater by summing the minimum amount and corrected amount of seawater; a pump control device which implements control such that seawater corresponding to the set amount is supplied to the scrubber; and an alkalinity setting device which sets the alkalinity of the seawater in accordance with traveled waters. The amount of seawater supplied to the scrubber is adjusted based on the alkalinity.

Abstract: An exhaust gas processing apparatus that processes exhaust gas, including a reaction tower that includes an internal space extending in a height direction; a trunk tube that extends in the height direction in the internal space of the reaction tower and transports a liquid; and a plurality of branch tubes that are provided extending from an outer side surface of the trunk tube toward an inner side surface of the reaction tower, each include an ejecting section that ejects the liquid supplied from the trunk tube, and are provided at positions at different heights. Ejection regions of the liquid where the liquid is ejected from the respective ejecting sections of branch tubes that are adjacent in the height direction include a region in which the ejection regions partially overlap in an overhead view as seen from the height direction.

Abstract: An exhaust gas processing apparatus that processes exhaust gas, including a reaction tower that includes an internal space extending in a height direction; a trunk tube that extends in the height direction in the internal space of the reaction tower and transports a liquid; and a plurality of branch tubes that are provided extending from an outer side surface of the trunk tube toward an inner side surface of the reaction tower, each include an ejecting section that ejects the liquid supplied from the trunk tube, and are provided at positions at different heights. Ejection regions of the liquid where the liquid is ejected from the respective ejecting sections of branch tubes that are adjacent in the height direction include a region in which the ejection regions partially overlap in an overhead view as seen from the height direction.

Abstract: Disclosed are an air cooled condenser capable of preventing air from being mixed into a working medium flow path, and a power generating apparatus including the air cooled condenser. The air cooled condenser includes a heat exchanger for air-cooling a working medium indirectly through a wall, a fan, a sensor for measuring a pressure value of the working medium at an outlet of the heat exchanger, and a controller for controlling the rotating speed of the fan such that the pressure value obtained by the sensor comes closer to a target value set to be equal to or larger than an atmospheric pressure.

Abstract: A method for inhibiting scale including inorganic cations, and an economically operable geothermal power generating device which can inhibit deposition of scale. The geothermal power generating device includes: an inorganic cation concentration measuring device for measuring the concentration of bivalent or more inorganic cations in geothermal water collected from a production well; a flowmeter for measuring the flow rate of the geothermal water collected from the production well; a heat removal unit for lowering the temperature of the geothermal water; a thermometer for measuring the temperature of the geothermal water after removing heat; a pH measuring device for measuring the pH of the geothermal water after removing heat; a calculation processing unit for calculating the additive amount of a scale inhibitor; and a control unit for adding the scale inhibitor to the geothermal water by the amount calculated by the calculation processing unit.

Abstract: Provided is a new binary power generation system that, in the binary power generation system using exhaust gas as a heating source, maximizes the power generation amount while considering the sulfuric acid dew point temperature of the exhaust gas. In this binary power generation system, corrosion due to sulfuric acid is prevented. Provided is a binary power generation system including a binary power generation apparatus that generates power by vaporizing a power generation medium using heat of exhaust gas output from a drive apparatus, wherein the binary power generation apparatus includes a control section that controls a mass flow rate of the power generation medium based on at least a sulfur concentration of the exhaust gas.

Abstract: There is provided an exhaust gas processing apparatus which improves the removal rate of harmful substances and also achieves a compact size.

Abstract: A human load of regularly measuring a pH of a position 4 meters from a discharge point during a term of a commissioning of a ship with a scrubber apparatus is reduced. Provided is an apparatus provided inside a ship having a scrubber, including a first pH measuring instrument which measures a pH value of washing water discharged from the scrubber to outboard, a second pH measuring instrument which measures a pH value of washing water supplied from outboard to the scrubber, and a calculating unit which calculates a pH value of water at a predetermined position outboard, based on a dilution ratio which shows a ratio by which the washing water discharged to outboard is diluted at the predetermined position outboard, the pH value measured by the first pH measuring instrument, and the pH value measured by the second pH measuring instrument.

Abstract: A solid oxide fuel cell apparatus includes: a startup temperature raiser configured to mix the fuel and the air, burn a mixture of the fuel and the air using a burner to obtain combustion gas, and introduce the combustion gas to the air electrode to increase a temperature of the fuel cell stack in startup of the apparatus. The startup temperature raiser includes: a combustion cylinder through which the combustion gas passes; a cooling cylinder configured to cover an outer periphery of the combustion cylinder; and a bypass air line configured to introduce a part of the air to an air area formed between the combustion cylinder and the cooling cylinder so as to cool the combustion cylinder.

Abstract: An exhaust gas processing apparatus that processes exhaust gas, including a reaction tower that includes an internal space extending in a height direction; a trunk tube that extends in the height direction in the internal space of the reaction tower and transports a liquid; and a plurality of branch tubes that are provided extending from an outer side surface of the trunk tube toward an inner side surface of the reaction tower, each include an ejecting section that ejects the liquid supplied from the trunk tube, and are provided at positions at different heights. Ejection regions of the liquid where the liquid is ejected from the respective ejecting sections of branch tubes that are adjacent in the height direction include a region in which the ejection regions partially overlap in an overhead view as seen from the height direction.

Abstract: An exhaust gas treatment apparatus and method that absorbs gas by bringing the gas and a liquid into contact with each other has a plurality of scrubbers that each include an absorption tower main unit in which an internal space is formed. A spray apparatus sprays liquid in a predetermined vertical region of the internal space, and a gas supply apparatus introduces the gas into the absorption tower main unit. A number of first passages branch from a pipe supplying the liquid to the exhaust gas treatment apparatus and are connected to the spray apparatuses of the scrubbers. A number of second passages branch from a pipe supplying the gas to the exhaust gas treatment apparatus and are connected to the gas supply apparatuses of the scrubbers.

Abstract: A scale deposition testing device, which is capable of precisely evaluating the state of scale deposition in consideration of an effect of retained geothermal water that occurs in an actual geothermal power plant, includes a plurality of scale deposition containers filled with particulates; hot water supply means for causing hot water to flow through each of the scale deposition containers; a retention unit for retaining the hot water; hot water condition change means for changing at least one of the flow rate, temperature, pressure, and composition of the hot water for each of the scale deposition containers; measuring means for measuring at least one of the flow rate, temperature, and pressure of the hot water flowing through each of the scale deposition containers; and a recorder for receiving data from the measuring means, the retention unit being capable of changing the hot water retention time.

Abstract: A control device for a scrubber includes a converter which calculates a minimum amount of seawater: a minimum amount of seawater necessary for an absorption reaction of the sulfur oxide by the seawater, from an engine output and a sulfur content of fuel oil; another converter which calculates a corrected amount of seawater: an amount of seawater at which the sulfur oxide in the exhaust gas discharged from the scrubber is equal to or less than a set value; a summing element which calculates a set amount of seawater by summing the minimum amount and corrected amount of seawater; a pump control device which implements control such that seawater corresponding to the set amount is supplied to the scrubber; and an alkalinity setting device which sets the alkalinity of the seawater in accordance with traveled waters. The amount of seawater supplied to the scrubber is adjusted based on the alkalinity.