摘要:
A combustion flame is distributed so as to cross a group of heat absorbing tubes arranged parallel to and spaced from one another, thereby cooling the combustion flame. A specific temperature zone of approximately 1000.degree. C.-1300.degree. C. for suppressing generation of NO.sub.x and accelerating oxidation of CO is locally formed within the heat absorbing tubes by decimating at least one tube. In the zone, CO generated upstream of the zone is oxidized by reacting with reaction radicals generated by combustion and/or oxygen.
摘要:
Boiler efficiency is further improved and the whole boiler body is slimmed down by totally improving heat transfer surfaces confronting gas flow passages, i.e., by forming the heat transfer surface structure into three stages, and moreover by making effective use of the whole heat transfer surfaces of water tubes equipped with fully circumferentially finned water tubes. The water-tube boiler includes: an annular first water tube array made up of a plurality of water tubes and having a first opening; an annular second water tube array made up of a plurality of water tubes and having a second opening, the second water tube array being arranged outside the first water tube array; a combustion chamber provided inside the first water tube array; and a gas flow passage leading from the first opening to the second opening and defined between the two water tube arrays, wherein heat transfer surfaces confronting the gas flow passage are structured into a high-temperature heat transfer surface structure, a middle-temperature heat transfer surface structure, and a low-temperature heat transfer surface structure, as viewed from an upstream side along gas flow.
摘要:
A multi-pipe once-through boiler having at least one row of a plurality of circumferentially arranged pipes on which a plurality of fins are arranged in such a manner that the fins are in contact with the flow of the combustion gas in a substantially parallel maner. Elements are provided for increasing the heat transfer effect, such as slits in the fins, or an inclined arrangement of the fins, or pipes without fins at the region near to the inlet of the combustion gas passageway, are provided. Furthermore, a heat insulating member for decreasing operational noise as well as a cleaner device for blow-cleaning the combustion gas passageway are provided.
摘要:
A negative electrode active material for an electric device includes an alloy containing Si in a range of greater than or equal to 27% by mass and less than 100% by mass, Sn in a range of greater than 0% by mass and less than or equal to 73% by mass, V in a range of greater than 0% by mass and less than or equal to 73% by mass, and inevitable impurities as a residue. The negative electrode active material can be obtained with, for example, a multi DC magnetron sputtering apparatus by use of Si, Sn, and V as targets. An electric device using the negative electrode active material can achieve long cycle life and ensure a high capacity and cycle durability.
摘要:
Disclosed is a negative electrode active material for electrical devices, comprising an alloy having a composition represented by the formula: SixCyAlz. In the composition formula: SixCyAlz, x, y and z represent mass percent values and satisfy the following conditions: x+y+z=100; 36≦x
摘要翻译:公开了一种电气器件用负极活性物质,其包含具有由下式表示的组成的合金:SixCyAlz。 在组成式中:SixCyAlz,x,y和z表示质量百分数值,满足以下条件:x + y + z = 100; 36 @ x <100; 0
摘要:
An airbag device for the body instantaneously activates an airbag without malfunctions.When an absolute value of an angular velocity detected by an angular velocity sensor exceeds a predetermined angular velocity value, angular velocity values are integrated from a most recent detected value to an oldest value within a predetermined time period, and if an absolute value of a resultant value of integral exceeds a predetermined value and an acceleration detected by an acceleration sensor is smaller than a predetermined acceleration, the airbag is inflated. Based on the value of the integral of the angular velocities, a case in which an angular velocity gradually increases is distinguished from a case in which an angular velocity momentarily increases, so the airbag device effectively prevents malfunctions caused by an action other than falling over. Additionally, because it is unnecessary to intentionally delay determination to prevent malfunctions, the airbag can instantaneously be inflated.
摘要:
First, the emission amount of nitrogen oxides can be decreased close to zero as much as possible, and the emission amount of carbon monoxide is decreased to a permissible range. Second, energy saving by combustion at a low air ratio close to 1.0 is realized. Third, air ratio control is performed stably in a combustion region at a low air ratio.The present invention includes: a combustion step of burning hydrocarbon-containing fuel in the burner, thereby generating gas free of hydrocarbons but containing oxygen, nitrogen oxides, and carbon monoxide; a hazardous-substance decreasing step of bringing the gas into contact with an oxidation catalyst, thereby oxidizing carbon monoxide contained in the gas by oxygen and reducing nitrogen oxides by carbon monoxide; and a concentration ratio adjusting step of adjusting a concentration ratio of oxygen, nitrogen oxides, and carbon monoxide in gas on a primary side of the oxidation catalyst to a predetermined concentration ratio in which a concentration of nitrogen oxides on a secondary side of the oxidation catalyst is decreased to substantially zero or a value equal to or lower than a predetermined value and a concentration of carbon monoxide on the secondary side of the oxidation catalyst is also decreased to substantially zero or a value equal to or lower than a predetermined value.
摘要:
In the case where one set of EDCA access parameters is set, there are problems such as failure in performing QoS when a transmission rate is changed and a deterioration in transmission efficiency.A relay device is a wireless communication device which transmits received data according to a priority level of the data, including: a transmitting unit (11) which transmits received data; a rate measuring unit (12) which measures a rate at which the transmitting unit (11) transmits the data; and a transmission control unit (14) which adaptively controls a transmission waiting time for which the transmitting unit (11) waits until start of the transmission of the data, according to the transmission rate of the transmitting unit (11) which is measured by the rate measuring unit (12), wherein the transmitting unit (11) transmits the data according to transmission control by the transmission control unit (14).
摘要:
A plurality of directional patterns are classified into groups and stored in a directional pattern memory, such that among the plurality of directional patterns, the directional patterns strongly correlated with each other are classified into the same group, while the directional patterns weakly correlated with each other are classified into the different groups. One directional pattern is selected from each group in the directional pattern memory. One directional pattern is determined from the selected directional patterns, in accordance with a communication quality of signals each received when each one of the selected directional patterns is set for steerable antenna element. The determined directional pattern is set for the steerable antenna element.
摘要:
Provided is a catalyst degradation preventing apparatus, which is for a catalyst device containing a catalyst component that comes into contact with gas to chemically change the gas, in which the catalyst device is provided with a poisoning substance removing device on a primary side thereof, for removing a poisoning substance which is contained in the gas and adsorbs to the catalyst component or forms a compound with the catalyst component. Further, the poisoning substance removing device and the catalyst device are provided with an interval placed therebetween and to be exchangeable with each other, or a carrier of a component that adsorbs to the poisoning substance of the poisoning substance removing device or forms a compound with the poisoning substance and a carrier of a catalyst component of the catalyst device are integrally formed so as to be exchangeable. According to the apparatus, the decrease in performance of the catalyst device can be prevented, and the effect of low pollution can be retained for a long period of time.