摘要:
In a coal burning boiler apparatus, temperature of the pulverized coal to be fed to the boiler can be set depending on the property of the combustion coal, so that stable ignition and combustion can be made regardless of the property of the combustion coal fed.Provided are a coal burning boiler 1, a coal pulverizer 2 for pulverizing massive coal 6 into fine powder, a temperature sensor 18 for detecting temperature of the primary air 35 for entraining the pulverized coal to the coal burning boiler, regulators 9, 12, 13 and 14 for regulating the temperature of the primary air and a controller for controlling the primary air temperature regulators on the basis of detected result of the temperature sensor so as to make the primary air have a given temperature.
摘要:
Provided are a method and an apparatus for controlling combustion in an oxygen fired boiler which are easily applicable to an existing air fired boiler for easy and stable control of the combustion.Oxygen with a setting amount in accordance with a boiler load demand 35 is supplied to a boiler body 4. Heat absorption amount of the boiler is measured from inlet temperature of feedwater supplied to the boiler body 4 and outlet temperature of steam. Recirculation flow rate of combustion exhaust gas 14a is controlled such that heat absorption amount 41 of the boiler body 4 becomes equal to a targeted heat absorption amount 42 to thereby control oxygen concentration in all gas guided to the boiler body 4.
摘要:
Slagging is prevented from occurring in a pulverized coal burner.A nozzle body 6, which is open to a furnace 1 and which injects pulverized coal together with primary air 14 transporting the coal to serve finally as combustion air, has an outer sleeve 8 and an inner sleeve 9 arranged in and coaxially of the sleeve 8. A fuel flow space 10 is formed between the sleeves 8 and 9. Straightening plates 29 are arranged on at least either of the sleeves 8 and 9 to project to the space 10 and extend axially of the nozzle body. The combustion air (primary air 14) carrying the pulverized coal passes through the space 10 and is injected.
摘要:
Carbon dioxide in combustion exhaust gas can be effectively separated and the combustion exhaust gas including the other exhaust gas components condensed through the separation of carbon dioxide can be discharged to the atmosphere.Air 7 is separated by an air separation unit 8 into oxygen 9 and other nitrogen-prevailing gas 10a. The obtained oxygen 9 and coal 1 are burned by a burner 5a of a combustion furnace 4. Exhaust gas treatment is conducted for the resultant combustion exhaust gas from the furnace 4. Then, part of the combustion exhaust gas is recirculated to the burner 5a and the remaining unrecirculated combustion exhaust gas is compressed to take out liquefied carbon dioxide 29. The other exhaust gas components 31 unliquefied through the compression is mixed and diluted with the other nitrogen-prevailing gas 10a in the separation of the oxygen 9 from the air 7 in the air separation unit 8 and is discharged to the atmosphere.
摘要:
Provided are a method and an apparatus for controlling combustion in an oxygen fired boiler which are easily applicable to an existing air fired boiler for easy and stable control of the combustion.Oxygen with a setting amount in accordance with a boiler load demand 35 is supplied to a boiler body 4. Heat absorption amount of the boiler is measured from inlet temperature of feedwater supplied to the boiler body 4 and outlet temperature of steam. Recirculation flow rate of combustion exhaust gas 14a is controlled such that heat absorption amount 41 of the boiler body 4 becomes equal to a targeted heat absorption amount 42 to thereby control oxygen concentration in all gas guided to the boiler body 4.
摘要:
A method and related apparatus for managing files for producing a compilation of works, including the step of obtaining a complete file of a work to be compiled in the compilation of works, selecting a portion of the complete file as a separate excerpt file to be compiled in the compilation of works, and independently managing the complete file and the excerpt file for producing the compilation of works.
摘要:
Print management apparatus and method for managing a print shop system are described. A server defines one or more virtual queues as a virtual printing device to which print jobs may be submitted. Each virtual queue designates a physical printer and has a set of pre-defined job parameters (parameters that define how a print job will be printed) associated with it. Each print job managed by the server also has a set of job parameters associated with it to define how the print job is to be printed. When a print job is submitted to a virtual queue for printing, the server overrides the job parameters of the submitted print job, and prints the job on the printer designated by the virtual queue using the job parameters associated with the virtual queue. A warning message may be displayed before the server proceeds with the printing to alert the operator.
摘要:
Provided is a fluidized bed gasification method wherein an amount of solid particles to be circulated in a fluidized bed combustion furnace is controlled to enhance gasification efficiency in the furnace.It is the fluidized bed gasification method with fluidized bed combustion and gasification furnaces 30 and 43, char and solid particles produced upon gasification of raw material 51 in the gasification furnace 43 being circulated to the combustion furnace 30. A circulated amount of the solid particles in the combustion furnace is controlled by varying the same in a range of 6 to 30 with respect to an air flow rate, thereby facilitating heat transmission to the raw material 51.
摘要:
A method for managing a plurality of print jobs is implemented in a print job management apparatus connected to printers. The method includes receiving print job, and visually presenting a display screen to a user, the display screen including first, second and third panels for classifying the received print jobs according to processing phase thereof, the first panel being provided for listing print jobs that are awaiting assignment of printers thereto for processing the print jobs, the second panel being provided for listing print jobs that have been assigned to printers and that have not been completed by the assigned printers, the third panel being provided for listing at least one of first and second categories of print jobs, the first category including print jobs that have been completed, the second category including print jobs that have been cancelled.
摘要:
A method is described for managing a print shop system in which a plurality of printers are connected to and managed by a server. The server receives a print job including a job ticket and source document to be printed, and generates two or more sub-jobs each including a sub-job ticket and a sub-document by analyzing the job ticket and the content of the source document. The two or more sub-jobs are submitted to a plurality of printers and/or finishing devices in accordance with the sub-job tickets. One particular example is color split printing where black and white pages and color pages of a source document are split into two sub-jobs to be printed by a black and white printer and a color printer, respectively.