CN104089405A - Biomass energy fuel boiler control system - Google Patents
Biomass energy fuel boiler control system Download PDFInfo
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Abstract
The invention relates to a biomass energy fuel boiler control system which comprises a structural system and an electrical control system. The structural system comprises a boiler, a fuel supply part, an air supply part, an ash discharge part, a water inlet pipeline, a water outlet pipeline and a spraying dust removal part. The electrical control system comprises a master controller. A motor control interface is connected with secondary line control elements in an electric appliance control cabinet respectively. Contactors in primary lines are controlled by secondary lines. Corresponding motors and devices are controlled by the contactors. A CPU conducts judgment according to outlet water data. After being subjected to DA conversion by a DA conversion module, a CPU instruction is output to a first air blower control circuit, a second air blower control circuit and a feeder control circuit respectively through the motor control interface, and then the air supply amount and the feeding amount are controlled. The biomass energy fuel boiler control system has the advantages of enabling a boiler to operate normally and safely, controlling all components of the boiler to work normally and enabling the biomass energy fuel boiler to achieve high combustion efficiency.
Description
Technical field
The present invention relates to biological mass-energy fuel boiler, particularly a kind of biological mass-energy fuel boiler control system.
Background technology
Along with world energy sources consumption increases severely, the fossil energy resource consumptions such as coal, oil, natural gas are rapid, and ecological environment constantly worsens, and particularly greenhouse gas emission causes increasingly serious Global climate change, and the sustainable development of human society is subject to serious threat.Because regenerative resource comprises water energy, biomass energy, wind energy, solar energy, geothermal energy and ocean energy etc., there is resource potential large, environmental pollution is low, can continuous utilization etc. feature, become the important energy source that is conducive to harmony between man and nature development.
Biomass energy will become following regenerative resource pith, biomass molding fuel be by straw, fuel wood under certain pressure effect, make bar-shaped, granular, block various briquette-fuels, energy density and middle matter coal facies are worked as, and obviously improve combustion characteristics, can be used for substituting the fuel of coal as life and heating.The soot emissions of biological mass-energy fuel boiler are lower than coal-burning boiler, and soot emissions can be less than 50 mg/m
3, the SO of biomass boiler
2discharge close to zero the NO of biomass boiler
xdischarge suitable with coal-burning boiler.Biomass energy boiler is the lower and lower heating system of cost of use of a kind of investment cost.
Biomass molding fuel and boiler in Europe, the U.S., Japan and the country such as Australian have formed larger industrialized scale, are the key areas of renewable energy utilization.But the compressing grains burning due to its national biomass energy boiler is taking timber as main, and the compressing grains that the biomass energy boiler of China burns is taking stalk as primary raw material, mix other materials such as there being timber, the biomass energy boiler that the country such as American-European produces can produce a large amount of flue dust and waste gas while use in China, therefore the biomass energy boiler of country's production such as America and Europe be not suitable for China.
The biomass energy burner that the biological mass-energy fuel boiler of being developed voluntarily by my company uses is different from the national biomass energy boilers of producing such as American-European from structure, this biomass energy burner has been declared country, number of patent application: 201410311597.1, therefore be more suitable for the compressing grains that uses stalk to be primary raw material, but the biological mass-energy fuel boiler that Yao Shiwo company develops voluntarily runs well, must be by effective control of biological mass-energy fuel boiler control system, as important component part-biological mass-energy fuel boiler control system of biomass boiler system, play extremely important control action to improving efficiency of combustion and reducing pollutant emission, therefore the development of biomass boiler intelligence control system, be related to popularization and the use of biomass energy boiler in China, and that biological mass-energy fuel boiler control system is boiler is normal, the key of safe operation, it is controlling the normal work of this boiler all parts, and make biological mass-energy fuel boiler reach higher efficiency of combustion.And at present domestic there is no a kind of for biological mass-energy fuel boiler and the control system of design.
Summary of the invention
Object of the present invention, exactly for overcoming the deficiencies in the prior art, for biological mass-energy fuel boiler control problem, provides a kind of design of biological mass-energy fuel boiler control system; Make to realize that boiler is normal, the object of safe operation, controlling the normal work of boiler all parts, and making biological mass-energy fuel boiler reach higher efficiency of combustion.
The present invention realizes by such technical scheme: biological mass-energy fuel boiler control system, comprise structural system and electric control system, it is characterized in that, described structural system comprises that boiler, fuel supplies are divided, air feed part, ash discharge part, inlet pipeline, outlet pipeline and spraying and dedusting part;
Described boiler comprises body of heater, drum and biomass energy burner, and the thermocouple K for measuring furnace temperature is installed on body of heater, and drum comprises inlet pipeline interface and outlet pipeline interface;
The feeder that the feeder installing port of described biomass energy burner divides with fuel supplies is connected; The airduct mouth of biomass energy burner connects the first air blast of air feed part by airduct;
The Secondary Air mouth of pipe of biomass energy burner connects the second air blast of air feed part by airduct;
Inlet pipeline comprises from the softening inlet pipeline interface section of expansion tank to boiler of holding concurrently, on this section of pipeline, connect successively a stop valve and force (forcing) pump, the force (forcing) pump port of export is node A, and node A is to setting pressure transmitter P and stop valve successively on the pipeline between inlet pipeline interface;
Outlet pipeline comprises from outlet pipeline and being interfaced to for the pipeline portions between water out, in the beginning of this section of pipeline section, thermal resistance pt100 is installed, three branch roads in parallel on thermal resistance pt100 back segment pipeline;
The first branch road is setting pressure table, stop valve, water circulating pump, check-valves, stop valve, Pressure gauge and pressure transmitter P successively, and water circulating pump two ends install filter additional;
The second branch road is setting pressure table, stop valve, water circulating pump, check-valves, stop valve, Pressure gauge and pressure transmitter P successively, and water circulating pump two ends install filter additional;
The 3rd branch road is installed check-valves 11;
Water return pipeline comprise from the node A of the inlet pipeline pipeline portions to water return outlet, dirt separator, pressure transmitter P, thermal resistance pt100 are installed successively; Pressure transmitter P two ends connect respectively a stop valve, and a stop valve is installed in bypass in parallel on this section of pipeline that comprises two stop valves in bypass;
Dirt separator two ends connect respectively a gate valve, and a gate valve is installed in bypass in parallel on this section of pipeline that comprises two gate valves in bypass;
Described electric control system comprises master controller and the softening expansion tank water level control box of holding concurrently;
Described master controller is by 8051F340 processor as main control unit CPU, and its hardware interface comprises Electric Machine Control interface, keyboard interface, display interface, AD translation interface, DA translation interface, clock interface, buzzer warning interface;
Wherein, Electric Machine Control interface comprises respectively main Electric Machine Control interface, the first air compressor control interface, the second air compressor control interface, motor for feeding control interface, ash ejector control interface, spray thrower control interface, jarring machine control interface, feeder control interface and dust removal machine control interface;
Secondary line control element in Electric Machine Control interface difference connecting circuit switch board, by the contactor in secondary line control primary line, by the corresponding motor of contactor control and equipment;
AD translation interface comprises some temperature sampling passages and some force samples passages;
Pressure transmitter P on inlet pipeline, on outlet pipeline and water return pipeline connects respectively corresponding force samples passage;
The heat of installing on thermal resistance pt100 on outlet pipeline, water return pipeline, body of heater respectively galvanic couple K connects respectively corresponding temperature sampling passage;
The current signal that comes from the pressure transmitter P on inlet pipeline is sent into CPU through AD translation interface, is completed the acquisition and processing of intake pressure data by the data acquisition module in CPU;
The resistance signal that comes from the thermal resistance pt100 on outlet pipeline is sent into CPU through AD translation interface, completes leaving water temperature data acquisition and processing (DAP) by the data acquisition module in CPU;
The current signal that comes from the pressure transmitter P on outlet pipeline is sent into CPU through AD translation interface, is completed the acquisition and processing of discharge pressure data by the data acquisition module in CPU;
The thermal resistance pt100 coming from water return pipeline sends into CPU through AD translation interface, completes return water temperature data acquisition and processing (DAP) by the data acquisition module in CPU;
The current signal that comes from the pressure transmitter P on water return pipeline is sent into CPU through AD translation interface, is completed the acquisition and processing of pressure of return water data by the data acquisition module in CPU;
The current signal that comes from the scarce material detecting sensor in hopper is sent into CPU through AD translation interface, is completed the acquisition and processing that lacks material detection data by the data acquisition module in CPU;
CPU is according to the input performing a programme of keyboard, and cpu instruction outputs to main circuit for controlling motor by main Electric Machine Control interface, and main motor drives reductor running, and main shaft rotates with reductor, the material toggling on main shaft and the running of break structure;
CPU judges according to leaving water temperature data, cpu instruction is undertaken after DA conversion by DA modular converter, output to respectively the first control circuit of blower, the second control circuit of blower, feeder control circuit by Electric Machine Control interface again, complete the control to wind supply quantity and feed quantity;
CPU judges according to the discharge pressure data on outlet pipeline, cpu instruction is undertaken after DA conversion by DA modular converter, output to circulating pump control circuit by Electric Machine Control interface again, circulating pump control circuit comprises frequency converter, by the rotating speed of Frequency Converter Control water circulating pump, make the pressure of return water on outlet pipeline keep constant;
CPU judges according to the intake pressure data on inlet pipeline, and cpu instruction is undertaken, after DA conversion, outputing to force (forcing) pump control circuit by Electric Machine Control interface by DA modular converter, and force (forcing) pump control circuit makes the intake pressure on inlet pipeline keep constant;
CPU expects that according to lacking detecting sensor data judge the material level of granular fuel in hopper, cpu instruction is undertaken after DA conversion by DA modular converter, output to feed conveyor circuit for controlling motor by Electric Machine Control interface again, in hopper, supplement granular fuel by feed conveyor.
Beneficial effect of the present invention is: as the important component part of biomass boiler---Intelligent control system for biomass energy fuel boiler, play an important role to improving efficiency of combustion and reduction pollutant emission etc., therefore the development of biomass boiler intelligence control system, be related to popularization and the use of biomass energy boiler in China, and biological mass-energy fuel boiler control system is that boiler is normal, the key of safe operation, it is controlling the normal work of this boiler all parts, and makes biological mass-energy fuel boiler reach higher efficiency of combustion.
Brief description of the drawings
Fig. 1, boiler control system structural representation;
Fig. 2, main controller circuit block diagram;
Fig. 3, biomass energy burner axonometric drawing;
Fig. 4, biomass energy burner partial sectional view;
Fig. 5, system software structure figure;
Fig. 6, data acquisition flow figure;
Fig. 7, DA flow path switch figure;
Fig. 8, motor control module workflow diagram.
In figure: 1. boiler, 101. bodies of heater, 102. drums, 103. biomass energy burners;
1021. inlet pipeline interfaces, 1022. outlet pipeline interfaces,
1031. feeder installing ports, 1032. airduct mouths, the 1033. Secondary Air mouths of pipe, 1034. main motors, 1035. reductors, 1036. terminal pads, 1037. main shafts, give oxide structure, 1039. material togglings and break structure 1038. two times; 10310. tray for combustion;
2. fuel supplies is divided, 201. hoppers, 202. feeders;
3. air feed part, 301. first air blasts, 302. second air blasts;
4. ash discharge part, 5. inlet pipeline, 6. outlet pipeline, the 7. softening expansion tank of holding concurrently,
8. stop valve, 9. force (forcing) pump, 10. circulating pump, 11. check-valves, 12. water return pipelines, 13. dirt separator 14. gate valves, 15. filters.
Detailed description of the invention
For a more clear understanding of the present invention, describe in conjunction with the accompanying drawings and embodiments the present invention in detail:
As shown in Figures 1 to 8, biological mass-energy fuel boiler control system, comprise structural system and electric control system, described structural system comprises that boiler 1, fuel supplies divide 2, air feed part 3, ash discharge part 4, inlet pipeline 5, outlet pipeline 6 and spraying and dedusting part;
Described boiler 1 comprises body of heater 101, drum 102 and biomass energy burner 103, and the thermocouple K for measuring furnace temperature is installed on body of heater 101, and drum 102 comprises inlet pipeline interface 1021 and outlet pipeline interface 1022;
Feeder installing port 1031 and the fuel supplies of described biomass energy burner 103 divides 2 feeder 22 to be connected; The airduct mouth 1032 of biomass energy burner 103 connects the first air blast 301 of air feed part 3 by airduct;
The Secondary Air mouth of pipe 1033 of biomass energy burner 103 connects the second air blast 302 of air feed part 3 by airduct;
Inlet pipeline 5 comprises from softening inlet pipeline interface 1201 parts of expansion tank 7 to boiler 1 of holding concurrently, on this section of pipeline, connect successively a stop valve 8 and force (forcing) pump 9, force (forcing) pump 9 ports of export are node A, and node A is to setting pressure transmitter P and stop valve 8 successively on the pipeline between inlet pipeline interface 1201;
Outlet pipeline 6 comprises from outlet pipeline interface 1022 to the pipeline portions between water out, in the beginning of this section of pipeline section, thermal resistance pt100 is installed, three branch roads in parallel on thermal resistance pt100 back segment pipeline;
The first branch road is setting pressure table, stop valve 8, water circulating pump 10, check-valves 11, stop valve 8, Pressure gauge and pressure transmitter P successively, and water circulating pump 10 two ends install filter 15 additional;
The second branch road is setting pressure table, stop valve 8, water circulating pump 10, check-valves 11, stop valve 8, Pressure gauge and pressure transmitter P successively, and water circulating pump 10 two ends install filter 15 additional;
The 3rd branch road is installed check-valves 11;
Water return pipeline 12 comprise from the node A of inlet pipeline 5 pipeline portions to water return outlet, dirt separator 13, pressure transmitter P, thermal resistance pt100 are installed successively; Pressure transmitter P two ends connect respectively a stop valve 8, and a stop valve 8 is installed in bypass in parallel on this section of pipeline that comprises two stop valves 8 in bypass;
Dirt separator 13 two ends connect respectively a gate valve 14, and a gate valve 14 is installed in bypass in parallel on this section of pipeline that comprises two gate valves 14 in bypass;
Described electric control system comprises master controller and the softening expansion tank water level control box of holding concurrently;
Described master controller is by 8051F340 processor as main control unit CPU, and its hardware interface comprises Electric Machine Control interface, keyboard interface, display interface, AD translation interface, DA translation interface, clock interface, buzzer warning interface;
Wherein, Electric Machine Control interface comprises respectively main Electric Machine Control interface, the first air compressor control interface, the second air compressor control interface, motor for feeding control interface, ash ejector control interface, spray thrower control interface, jarring machine control interface, feeder control interface and dust removal machine control interface;
Secondary line control element in Electric Machine Control interface difference connecting circuit switch board, by the contactor in secondary line control primary line, by the corresponding motor of contactor control and equipment;
AD translation interface comprises some temperature sampling passages and some force samples passages;
Pressure transmitter P on inlet pipeline 5, on outlet pipeline 6 and water return pipeline 12 connects respectively corresponding force samples passage;
The heat of installing on thermal resistance pt100 on outlet pipeline 6, water return pipeline 12, body of heater 101 respectively galvanic couple K connects respectively corresponding temperature sampling passage;
The current signal that comes from the pressure transmitter P on inlet pipeline 5 is sent into CPU through AD translation interface, is completed the acquisition and processing of intake pressure data by the data acquisition module in CPU;
The resistance signal that comes from the thermal resistance pt100 on outlet pipeline 6 is sent into CPU through AD translation interface, completes leaving water temperature data acquisition and processing (DAP) by the data acquisition module in CPU;
The current signal that comes from the pressure transmitter P on outlet pipeline 6 is sent into CPU through AD translation interface, is completed the acquisition and processing of discharge pressure data by the data acquisition module in CPU;
The thermal resistance pt100 coming from water return pipeline 12 sends into CPU through AD translation interface, completes return water temperature data acquisition and processing (DAP) by the data acquisition module in CPU;
The current signal that comes from the pressure transmitter P on water return pipeline 12 is sent into CPU through AD translation interface, is completed the acquisition and processing of pressure of return water data by the data acquisition module in CPU;
The current signal that comes from the scarce material detecting sensor in hopper 201 is sent into CPU through AD translation interface, is completed the acquisition and processing that lacks material detection data by the data acquisition module in CPU;
CPU is according to the input performing a programme of keyboard, cpu instruction outputs to main circuit for controlling motor by main Electric Machine Control interface, main motor 1034 drives reductor 1035 to turn round, and main shaft 1037 rotates with reductor 1035, and the material toggling on main shaft 1037 and break structure 1039 turn round;
CPU judges according to leaving water temperature data, cpu instruction is undertaken after DA conversion by DA modular converter, output to respectively the first control circuit of blower, the second control circuit of blower, feeder control circuit by Electric Machine Control interface again, complete the control to wind supply quantity and feed quantity;
CPU judges according to the discharge pressure data on outlet pipeline 6, cpu instruction is undertaken after DA conversion by DA modular converter, output to circulating pump control circuit by Electric Machine Control interface again, circulating pump control circuit comprises frequency converter, by the rotating speed of Frequency Converter Control water circulating pump 10, make the pressure of return water on outlet pipeline 6 keep constant;
CPU judges according to the intake pressure data on inlet pipeline 5, cpu instruction is undertaken after DA conversion by DA modular converter, output to force (forcing) pump control circuit by Electric Machine Control interface, force (forcing) pump control circuit makes the intake pressure on inlet pipeline 5 keep constant;
CPU expects that according to lacking detecting sensor data judge the material level of granular fuel in hopper 201, cpu instruction is undertaken after DA conversion by DA modular converter, output to feed conveyor circuit for controlling motor by Electric Machine Control interface again, in hopper, supplement granular fuel by feed conveyor.
Intelligent control system for biomass energy fuel boiler adopts 8051F340 processor as main control unit, by the collection to temperature in boiler, air feed and the feed of controlling biological mass-energy fuel boiler, make biomass energy boiler reach best combustion efficiency and lower pollutant emission.Biological mass-energy fuel boiler controller
Lack material detecting sensor and adopt mechanical contact, by the rotary state that detects axle is converted to variable-current signal.
Systems soft ware forms as shown in Figure 5, and the major function of realization is as follows:
(1) systems soft ware software can be controlled the co-ordinations such as air blast, post-blast machine, motor for feeding, ash discharge motor, spray motor, vibration motor, feeding motor, dedusting motor, material toggling motor.
(2) systems soft ware can be controlled AD modular converter, detects water outlet, return water temperature and the fire box temperature of boiler, controls wind supply quantity and feed quantity, and coordinates the relation between the two, to reach optimal combustion state.
(3) while work, there is burning, igniting, insulation and automatically control four kinds of duties.
(4) state when fired state is normal operation of boiler, at this state, systems soft ware, according to parameters, is controlled the work of each motor, makes the burning of boiler reach optimum state.
(5) fired state is that boiler has just started the duty while running.In the time of igniting, can manually control the work of motor for feeding and material toggling motor, and by be set the duration of ignition, adjust the air quantity of air blast, make boiler startup, enter fired state.
(6) keeping warm mode is in order to reduce heat supply temperature in night, arranges thereby save the energy.Generally, boiler in night in cold operation state, if 6 of being set to from 10 in evening to next day of boiler are cold operation state, in the time that the time arrives at 10 in evening, system software controls boiler enters keeping warm mode automatically, makes boiler in cold operation state, to save the energy.In the time that the time reaches 6 of next day, system software controls boiler enters fired state automatically, to ensure the normal heat supply of the time of working by day.
(7) automatic mode can be according to the temperature difference that goes out backwater, and the feed quantity of automatic regulation controller, adjusts wind supply quantity automatically according to temperature in stove, to reach best fired state, makes efficiency of combustion the highest.
(8) by keyboard, can complete the setting to the each motor of system, air-blower control parameter, to control its start-up time and off-air time.
(9) systems soft ware can detect the fuel storing storage in fuel tank, in the time reaching the thresholding of warning, notifies user and producer by sound, light and remote alarms.
(10) systems soft ware has system clock, utilizes clock, can be freely set the time that enter keeping warm mode and finish keeping warm mode by user, and when arriving after setup times, system enters or exit keeping warm mode automatically.
(11) systems soft ware has automatic protection functions, and water temperature limiting value can be set, and when after the water temperature value of reaching capacity, system will be operated in keeping warm mode, and except motor for feeding, other motors all quit work.
(12) systems soft ware has motor measuring ability, to detect whether fault of motor, in the time of electrical fault, can pass through sound and light alarm.
2. running environment
System Software Requirement runs on the hardware environment of Intelligent control system for biomass energy fuel boiler, and requiring its CPU is C8051F340.
Systems soft ware is divided into initialization module, keyboard processing module, LED display module, data acquisition module, DA modular converter, motor control module, clock control module, and its general structure as shown in Figure 2.
(1) beginningization module: complete the initialization to CPU, the setting of initial parameter.
(2) keyboard processing module: Intelligent control system for biomass energy fuel boiler is provided with 8 buttons altogether, is respectively: material toggling key, feed key, clock key, status key, arrange key, options button ,+key and-key, each keypress function is as follows:
Material toggling key: manually material toggling
Feed key: manually feed
Clock key: read clock
Status key: the switching of igniting, burning, insulation, automatic four duties
Key is set: the normal time presses key is set, and enters parameter pattern is set after relieving.
Options button: be equipped with key and use, complete the setting of each running parameter.
+ key and-key: recruitment when parameter arranges and reduction.
(3) LED display module: system has the digital demonstration of six LED and eight LED luminous tubes show, can show gathered leaving water temperature, return water temperature and furnace temperature, and clock information, work state information and warning message.
(4) data acquisition module: complete the data acquisition of leaving water temperature, return water temperature, furnace temperature and the detection of electrical fault state.
(5) DA modular converter: complete the control to air blast wind supply quantity and motor for feeding feed quantity.
(6) motor control module: control the co-ordination of post-blast machine, motor for feeding, ash discharge motor, spray motor, vibration motor, feeding motor, dedusting motor, material toggling motor etc.
(7) clock control module: complete setting and the demonstration of clock, and control boiler and automatically enter keeping warm mode.
According to the above description, can realize the solution of the present invention in conjunction with art technology.
Claims (1)
1. biological mass-energy fuel boiler control system, comprise structural system and electric control system, it is characterized in that, described structural system comprises that boiler (1), fuel supplies divide (2), air feed part (3), ash discharge part (4), inlet pipeline (5), outlet pipeline (6) and spraying and dedusting part;
Described boiler (1) comprises body of heater (101), drum (102) and biomass energy burner (103), thermocouple K for measuring furnace temperature is installed on body of heater (101), and drum (102) comprises inlet pipeline interface (1021) and outlet pipeline interface (1022);
The feeder installing port (1031) of described biomass energy burner (103) divides the feeder (22) of (2) to be connected with fuel supplies; The airduct mouth (1032) of biomass energy burner (103) connects first air blast (301) of air feed part (3) by airduct;
The Secondary Air mouth of pipe (1033) of biomass energy burner (103) connects second air blast (302) of air feed part (3) by airduct;
Inlet pipeline (5) comprises from softening inlet pipeline interface (1201) part of expansion tank (7) to boiler (1) of holding concurrently, on this section of pipeline, connect successively a stop valve (8) and force (forcing) pump (9), force (forcing) pump (9) port of export is node A, and node A is to setting pressure transmitter P and stop valve (8) successively on the pipeline between inlet pipeline interface (1201);
Outlet pipeline (6) comprises from outlet pipeline interface (1022) to the pipeline portions between water out, in the beginning of this section of pipeline section, thermal resistance pt100 is installed, three branch roads in parallel on thermal resistance pt100 back segment pipeline;
The first branch road is setting pressure table, stop valve (8), water circulating pump (10), check-valves (11), stop valve (8), Pressure gauge and pressure transmitter P successively, and water circulating pump (10) two ends install filter (15) additional;
The second branch road is setting pressure table, stop valve (8), water circulating pump (10), check-valves (11), stop valve (8), Pressure gauge and pressure transmitter P successively, and water circulating pump (10) two ends install filter (15) additional;
The 3rd branch road is installed check-valves (11);
Water return pipeline (12) comprise from the node A of inlet pipeline (5) pipeline portions to water return outlet, dirt separator (13), pressure transmitter P, thermal resistance pt100 are installed successively; Pressure transmitter P two ends connect respectively a stop valve (8), and a stop valve (8) is installed in bypass in parallel on this section of pipeline that comprises two stop valves (8) in bypass;
Dirt separator (13) two ends connect respectively a gate valve (14), and a gate valve (14) is installed in bypass in parallel on this section of pipeline that comprises two gate valves (14) in bypass;
Described electric control system comprises master controller and the softening expansion tank water level control box of holding concurrently;
Described master controller is by 8051F340 processor as main control unit CPU, and its hardware interface comprises Electric Machine Control interface, keyboard interface, display interface, AD translation interface, DA translation interface, clock interface, buzzer warning interface;
Wherein, Electric Machine Control interface comprises respectively main Electric Machine Control interface, the first air compressor control interface, the second air compressor control interface, motor for feeding control interface, ash ejector control interface, spray thrower control interface, jarring machine control interface, feeder control interface and dust removal machine control interface;
Secondary line control element in Electric Machine Control interface difference connecting circuit switch board, by the contactor in secondary line control primary line, by the corresponding motor of contactor control and equipment;
AD translation interface comprises some temperature sampling passages and some force samples passages;
Inlet pipeline (5) is upper, pressure transmitter P on outlet pipeline (6) and water return pipeline (12) connects respectively corresponding force samples passage;
Thermal resistance pt100 on outlet pipeline (6), water return pipeline (12), the upper heat of installing of body of heater (101) respectively galvanic couple K connect respectively corresponding temperature sampling passage;
The current signal that comes from the pressure transmitter P on inlet pipeline (5) is sent into CPU through AD translation interface, is completed the acquisition and processing of intake pressure data by the data acquisition module in CPU;
The resistance signal that comes from the thermal resistance pt100 on outlet pipeline (6) is sent into CPU through AD translation interface, completes leaving water temperature data acquisition and processing (DAP) by the data acquisition module in CPU;
The current signal that comes from the pressure transmitter P on outlet pipeline (6) is sent into CPU through AD translation interface, is completed the acquisition and processing of discharge pressure data by the data acquisition module in CPU;
The thermal resistance pt100 coming from water return pipeline (12) sends into CPU through AD translation interface, completes return water temperature data acquisition and processing (DAP) by the data acquisition module in CPU;
The current signal that comes from the pressure transmitter P on water return pipeline (12) is sent into CPU through AD translation interface, is completed the acquisition and processing of pressure of return water data by the data acquisition module in CPU;
The current signal that comes from the scarce material detecting sensor in hopper (201) is sent into CPU through AD translation interface, is completed the acquisition and processing that lacks material detection data by the data acquisition module in CPU;
CPU is according to the input performing a programme of keyboard, cpu instruction outputs to main circuit for controlling motor by main Electric Machine Control interface, main motor (1034) drives reductor (1035) running, main shaft (1037) rotates with reductor (1035), the material toggling on main shaft (1037) and break structure (1039) running;
CPU judges according to leaving water temperature data, cpu instruction is undertaken after DA conversion by DA modular converter, output to respectively the first control circuit of blower, the second control circuit of blower, feeder control circuit by Electric Machine Control interface again, complete the control to wind supply quantity and feed quantity;
CPU judges according to the discharge pressure data on outlet pipeline (6), cpu instruction is undertaken after DA conversion by DA modular converter, output to circulating pump control circuit by Electric Machine Control interface again, circulating pump control circuit comprises frequency converter, by the rotating speed of Frequency Converter Control water circulating pump (10), make the pressure of return water on outlet pipeline (6) keep constant;
CPU judges according to the intake pressure data on inlet pipeline (5), cpu instruction is undertaken after DA conversion by DA modular converter, output to force (forcing) pump control circuit by Electric Machine Control interface, force (forcing) pump control circuit makes the intake pressure on inlet pipeline (5) keep constant;
CPU expects that according to lacking detecting sensor data judge the material level of granular fuel in hopper (201), cpu instruction is undertaken after DA conversion by DA modular converter, output to feed conveyor circuit for controlling motor by Electric Machine Control interface again, in hopper, supplement granular fuel by feed conveyor.
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| CN201875688U (en) * | 2010-12-01 | 2011-06-22 | 天津市星拓科技发展有限公司 | Pot type bottom-feeding biomass particle burner |
| EP2596847A1 (en) * | 2011-11-25 | 2013-05-29 | Alstom Technology Ltd | Sinter plant gas cleaning system |
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