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公开(公告)号：US4742783A
公开(公告)日：1988-05-10
申请号：US82153
申请日：1987-08-06
CPC分类号： F23N1/022 , F23N2023/08 , F23N2041/18 , F23N5/006 , F23N5/18
摘要： For continuous combustion air control in a hazardous waste incinerator, two signals are generated which totalize the air required on a fuel supplied basis. One signal is responsive to measured totalized fuel flow and this total can include fuel flow signals which are limited to the fraction of available air which corresponds to the fuel flow. The other signal is responsive to the totalized fuel flow that is commanded for maintaining an incinerator condition. In use the signal which requires the greater air flow is selected as the actual control signal for combustion air, and this control signal is biased to increase the air flow to obtain complete combustion of the hazardous waste by a controller acting on the measured amount of oxygen in the flue gas. In this manner the combustion air is manipulated in parallel with the waste fuel and if the fuel flow is limited by the available air, the air flow is limited to match the limited fuel flow.
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公开(公告)号：US4739714A
公开(公告)日：1988-04-26
申请号：US82152
申请日：1987-08-06
CPC分类号： F23N1/002 , F23G5/008 , F23G5/50 , F23G2207/112 , F23G2900/55011 , F23N2023/08 , F23N2037/08 , F23N2041/18
摘要： The flow rate of multiple fuel streams supplied to an incinerator are controlled so as to provide maximum temperature and heat release conditions in the incinerator that will allow complete combustion of hazardous waste fuel. In addition, a minimum temperature for the incinerator is maintained by manipulating the flow rate of an auxiliary fuel such as natural gas, that is also supplied to the incinerator. In use, a control signal for manipulating a waste fuel flow is selected as the lowest signal of signals representative of a maximum temperature for the incinerator, a maximum heat release rate for the incinerator, a maximum heat release rate for a particular waste fuel, a maximum pressure for the incinerator, and the combustion air available.
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公开(公告)号：US4649386A
公开(公告)日：1987-03-10
申请号：US518589
申请日：1983-07-29
CPC分类号： G08C19/22
摘要： In a system in which a continuous, periodically repeated, pulse duration type signal is utilized to transmit information to a computer, the pulse duration type signal is converted into a series of clock pulses. The clock pulses are then counted for a period of time equal to the repetition period of the pulse duration type signal. This count is then latched and transferred to the computer to thereby accomplish the transfer of information to a computer by means of a continuous, periodically repeated, pulse duration type signal.
摘要翻译： 在连续的，周期性重复的脉冲持续时间型信号用于向计算机发送信息的系统中，脉冲持续时间类型信号被转换成一系列时钟脉冲。 然后，时钟脉冲被计数一段时间，等于脉冲持续时间类型信号的重复周期。 然后该计数被锁存并传送到计算机，从而通过连续的，周期性重复的脉冲持续时间类型信号完成信息传送到计算机。
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