An adjustable multiple wind duct combusting device
A multi-channel, adjustable technology, applied in the direction of furnace control devices, furnaces, lighting and heating equipment, etc., can solve the problems of inability to accurately achieve the best combustion state, failure to disclose the structure of the adjustment unit, etc., and achieve powerful database management Functionality, intuitive human-machine interface, effect of improving product quality
Active Publication Date: 2009-03-04
扬州市银焰机械厂
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Problems solved by technology
In this technology, the temperature in the furnace is transmitted to the regulating unit through the sensor, and then the regulating unit instructs the axial and radial flow rate controllers; Information is difficult to comprehensively understand the performance of fuel combustion in the burner, and cannot accurately achieve the best combustion state
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[0017] The respective sensor input signals of the burner 1 are sent in by the corresponding sensor output current of 4-20mA. The positive pole of the output current is respectively connected to the non-inverting input terminal of U1 (TL084) of the corresponding current-voltage conversion follower 2, taking the first path as an example: take the voltage of the sensor output current on R1 and the standard reference voltage 2.5V on R6 and the divided voltage on R1 is sent to the non-inverting input terminal signal of the follower 2 as a sampling voltage. C1~C4 are filter capacitors to reduce the impact of high frequency interference.
[0018] The A / D converters 3 and 4 adopt two high-precision A / D converters 3 and 4 of U2 and U3 (AD7705), connect the corresponding serial data interface to the single-chip microcomputer 9, and transmit the converted data serially Into the single-chip microcomputer 9. It is also possible to transfer related setting parameters to AD7705 for program...
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The invention discloses an adjustable multiple duct burner, which is characterized by the following: arranging air quantity, wind speed inducer and electrical controlled valve at each duct; connecting the air quantity, wind speed inducer and electrical controlled valve to controller; arranging temperature inductive device, imaging device and computer system in furnace kiln; arranging temperature inducer in the furnace kiln relative to root and rear; arranging imaging device in the kiln relative to flame; connecting the temperature inducer and the imaging device to the computer system; comprising the controller with I / V converter, module converter, microprocessor, digital-analogue converter, V / I converter, RS232 / 485 communication module and computer system; connecting the I / V converter to the module converter; connecting the analog-digital converter to microprocessor; connecting the microprocessor to the module converter; connecting the digital-analogue converter to the V / I converter; connecting the V / I converter to the electrical controlled valve; connecting the microprocessor to the RS232 / 485 communication module; connecting the RS232 / 485 communication module to the computer system. This invention can save fuel and decrease intensity of labor.
Description
technical field [0001] The invention relates to an adjustable multi-air channel burner device, in particular to a burner with an automatic adjustment device for air volume and air speed. Background technique [0002] At present, some large-scale industrial furnaces in China mostly use burners that use pulverized coal as fuel; concentric air ducts are set on its combustion head, that is, axial flow air ducts, swirling air ducts and coal air ducts, and some have Stroke Road. According to the humidity, calorific value and fine particle size of pulverized coal, the air volume and wind speed of each air duct will change accordingly during combustion. At this time, the operator needs to manually adjust according to the combustion form of the flame until it is adjusted to artificial The "best" state of observation. This requires skilled personnel with extensive experience to achieve this effect. The labor intensity of personnel is big, and labor cost is high. [0003] The paten...
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IPC IPC(8): F27D19/00
Inventor 韦维杨鹏曹卫蒋步军
Owner 扬州市银焰机械厂