CN104089405B - Biological mass-energy fuel boiler control system - Google Patents
Biological mass-energy fuel boiler control system Download PDFInfo
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- CN104089405B CN104089405B CN201410349653.0A CN201410349653A CN104089405B CN 104089405 B CN104089405 B CN 104089405B CN 201410349653 A CN201410349653 A CN 201410349653A CN 104089405 B CN104089405 B CN 104089405B
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Abstract
The present invention relates to biological mass-energy fuel boiler control system, including structural system and electric control system, structural system includes boiler, fuel supply portion, air feed part, ash discharge part, inlet pipeline, outlet pipeline and spraying and dedusting part；Electric control system includes master controller, and the secondary line in motor control interface connecting circuit switch board respectively controls element, controls the catalyst in primary line by secondary line, controls corresponding motor and equipment by catalyst；CPU judges according to leaving water temperature data, after cpu instruction is carried out DA conversion by D/A conversion module, it is respectively outputted to the first control circuit of blower, the second control circuit of blower, feeder control circuit by motor control interface again, completes the control to wind supply quantity and feed quantity；Provide the benefit that: system makes that boiler is normal, safe operation, control the normal work of boiler all parts, and make biological mass-energy fuel boiler reach higher efficiency of combustion.
Description
Technical field
The present invention relates to biological mass-energy fuel boiler, particularly to a kind of biological mass-energy fuel boiler control system.
Background technology
Along with world energy sources consumption increases severely, the fossil energy resource consumption such as coal, oil, natural gas is rapid, ecological environment
Constantly deteriorating, particularly greenhouse gas emission causes increasingly serious Global climate change, and the sustainable development of human society is subject to
To serious threat.Owing to regenerative resource includes water energy, biomass energy, wind energy, solar energy, geothermal energy and ocean energy etc., have
Resource potential is big, and environmental pollution is low, can the feature such as continuous utilization, become the important energy of beneficially harmony between man and nature development
Source.
Biomass energy will become following regenerative resource pith, and biomass molding fuel is straw stalk, fuel wood to be existed
Under certain pressure effect, making bar-shaped, granular, block various briquette-fuels, energy density is worked as with middle matter coal facies, and is substantially changed
Kind combustion characteristics, can be used for substituting coal as life and the fuel of heating.The soot emissions of biological mass-energy fuel boiler are less than combustion
Coal burning boiler, soot emissions are smaller than 50 mg/m3, the SO of biomass boiler2Discharge close to zero, the NO of biomass boilerXDischarge
Suitable with coal-burning boiler.Biomass energy boiler is that a kind of investment cost is relatively low and the relatively low heating system of cost of use.
Biomass molding fuel and boiler in Europe, the U.S., the country such as Japanese and Australian formed bigger industry
Change scale, is the key areas of renewable energy utilization.But the compression burnt due to the biomass energy boiler of its country
Grain is based on timber, and the compressing grains that the biomass energy boiler of China is burnt is with straw as primary raw material, mixes and has timber
Deng other materials, the biomass energy boiler of country's productions such as America and Europe can produce substantial amounts of flue dust and waste gas when China uses, because of
The biomass energy boiler that the country such as this America and Europe produces is not suitable for China.
The biomass energy burner that the biological mass-energy fuel boiler developed voluntarily by my company uses is different from from structure
The biomass energy boiler that the country such as American-European produces, this biomass energy burner declared country, number of patent application:
201410311597.1, being therefore more suitable for using straw is the compressing grains of primary raw material, but to make my company develop voluntarily
Biological mass-energy fuel boiler run well, it is necessary to effectively controlling by biological mass-energy fuel boiler control system, make
For the important component part biological mass-energy fuel boiler control system of biomass boiler system, to improving efficiency of combustion and reduction
Pollutant emission plays extremely important control action, and therefore the development of biomass boiler intelligence control system, is related to biology
Mass-energy boiler is in the popularization of China and use, and biological mass-energy fuel boiler control system normal, the pass of safe operation that is boiler
Key, which control the normal work of this boiler all parts, and makes biological mass-energy fuel boiler reach higher efficiency of combustion.
And the most domestic there is no a kind of for biological mass-energy fuel boiler and the control system that designs.
Summary of the invention
The purpose of the present invention, exactly for overcoming the deficiencies in the prior art, controls problem for biological mass-energy fuel boiler, carries
Design for a kind of biological mass-energy fuel boiler control system；To realize making, boiler is normal, the purpose of safe operation, controls
The normal work of boiler all parts, and make biological mass-energy fuel boiler reach higher efficiency of combustion.
The present invention is realized by such technical scheme: biological mass-energy fuel boiler control system, including structure system
System and electric control system, it is characterised in that described structural system includes boiler, fuel supply portion, air feed part, ash discharge portion
Point, inlet pipeline, outlet pipeline and spraying and dedusting part；
Described boiler includes body of heater, drum and biomass energy burner, and body of heater is provided with the thermoelectricity for measuring furnace temperature
Even K, drum includes inlet pipeline interface and outlet pipeline interface；
The feeder installing port of described biomass energy burner is connected with the feeder of fuel supply portion；Biomass energy is fired
The airduct mouth of burner connects the first aerator of air feed part by airduct；
The secondary wind mouth of pipe of biomass energy burner connects the second aerator of air feed part by airduct；
Inlet pipeline includes from the double expansion tank of softening to the inlet pipeline interface section of boiler, depends on this section of pipeline
One stop valve of secondary connection and force (forcing) pump, the force (forcing) pump port of export is node A, on the pipeline between node A to inlet pipeline interface
Pressure transmitter P and stop valve are installed successively；
Outlet pipeline includes the pipeline portions being interfaced between service water outlet from outlet pipeline, in the beginning section of this section of pipeline
Thermal resistance pt100 is installed, on thermal resistance pt100 back segment pipeline and ter branch road；
First branch road installs Pressure gauge, stop valve, water circulating pump, check-valves, stop valve, Pressure gauge and pressure inverting successively
Device P, water circulating pump two ends install defecator additional；
Second branch road installs Pressure gauge, stop valve, water circulating pump, check-valves, stop valve, Pressure gauge and pressure inverting successively
Device P, water circulating pump two ends install defecator additional；
Check-valves 11 installed by 3rd branch road；
Water return pipeline includes from the node A with inlet pipeline to the pipeline portions of water return outlet, installs dirt separator, pressure successively
Transmitter P, thermal resistance pt100；Pressure transmitter P two ends connect a stop valve respectively, are including this section of two stop valves
Bypass in parallel on pipeline, bypass is installed a stop valve；
Dirt separator two ends connect a gate valve respectively, and bypass in parallel on this section of pipeline include two gate valves, in bypass
One gate valve is installed；
Described electric control system includes master controller and softens 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 includes that motor controls to connect
Mouth, keyboard interface, display interface, AD conversion interface, DA translation interface, clock interface, buzzer warning interface；
Wherein, motor control interface includes that mair motor controls interface, the first air compressor control interface, the second aerator respectively
Control interface, motor for feeding controls interface, ash ejector controls interface, spray thrower controls interface, jarring machine controls interface, feeder
Control interface and dust removal machine controls interface；
Secondary line in motor control interface connecting circuit switch board respectively controls element, controls primary line by secondary line
In catalyst, control corresponding motor and equipment by catalyst；
AD conversion interface includes some temperature sampling passages and some force samples passages；
Pressure transmitter P on inlet pipeline, on outlet pipeline and water return pipeline connects the force samples of correspondence respectively and leads to
Road；
The thermocouple K installed on thermal resistance pt100 on outlet pipeline, water return pipeline, body of heater connects the temperature of correspondence respectively
Degree sampling channel;
The current signal coming from the pressure transmitter P on inlet pipeline sends into CPU through AD conversion interface, by CPU
Data acquisition module completes collection and the process of intake pressure data；
The resistance signal coming from the thermal resistance pt100 on outlet pipeline sends into CPU through AD conversion interface, by CPU
Data acquisition module completes leaving water temperature data acquisition and processing (DAP)；
The current signal coming from the pressure transmitter P on outlet pipeline sends into CPU through AD conversion interface, by CPU
Data acquisition module completes collection and the process of discharge pressure data；
The thermal resistance pt100 come from water return pipeline sends into CPU through AD conversion interface, by the data acquisition module in CPU
Block completes return water temperature data acquisition and processing (DAP)；
The current signal coming from the pressure transmitter P on water return pipeline sends into CPU through AD conversion interface, by CPU
Data acquisition module completes collection and the process of pressure of return water data；
The current signal coming from the scarce material detection sensor in hopper sends into CPU through AD conversion interface, by the number in CPU
Complete to lack collection and the process of material detection data according to acquisition module；
CPU performs program according to the input of keyboard, and cpu instruction controls interface by mair motor and exports mair motor control electricity
Road, mair motor drives reductor operating, and main shaft rotates with reductor, the material toggling on main shaft and the operating of break structure；
CPU judges according to leaving water temperature data, after cpu instruction is carried out DA conversion by D/A conversion module, then by electricity
Machine controls interface and is respectively outputted to the first control circuit of blower, the second control circuit of blower, feeder control circuit, completes
To wind supply quantity and the control of feed quantity；
CPU judges according to the discharge pressure data on outlet pipeline, and cpu instruction is carried out DA by D/A conversion module and turns
After changing, then exporting circulating pump control circuit by motor control interface, circulating pump control circuit includes converter, by converter
Control the rotating speed of 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 carries out DA by D/A conversion module
After conversion, exporting force (forcing) pump control circuit by motor control interface, force (forcing) pump control circuit makes the water inlet on inlet pipeline
Pressure keeps constant；
CPU carries out judging the material position of granular fuel in hopper according to lacking material detection sensing data, and cpu instruction is changed by DA
After module carries out DA conversion, then export feed conveyor circuit for controlling motor by motor control interface, by feed transmission
Device supplements granular fuel in hopper.
The medicine have the advantages that the important component part biological mass-energy fuel boiler intelligence as biomass boiler
Control system, plays an important role to improving efficiency of combustion and reduction pollutant emission etc., therefore biomass boiler intelligence
Can the development of control system, be related to biomass energy boiler in the popularization of China and use, and biological mass-energy fuel boiler control
System is that boiler is normal, the key of safe operation, which control the normal work of this boiler all parts, and makes biomass energy
Fuel boiler reaches higher efficiency of combustion.
Accompanying drawing explanation
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, the 1032. First air mouths of pipe, the 1033. secondary wind mouths of pipe, 1034. mair motor,
1035. reductors, 1036. connection dishes, 1037. main shafts, give oxide structure, 1039. material togglings and break structure 1038. 2 times；
10310. tray for combustion；
2. fuel supply portion, 201. hoppers, 202. feeders；
301. first aerators, 302. second aerators；
4. ash discharge part, 5. inlet pipeline, 6. outlet pipeline, 7. soften 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. locks
Valve, 15. defecators.
Detailed description of the invention
Understand the present invention in order to clearer, describe the present invention in conjunction with the accompanying drawings and embodiments in detail:
As shown in Figures 1 to 8, biological mass-energy fuel boiler control system, including structural system and electric control system, institute
State structural system and include boiler 1, fuel supply portion 2, air feed part, ash discharge part 4, inlet pipeline 5, outlet pipeline 6 and spray
Drench dust removal part；
Described boiler 1 includes body of heater 101, drum 102 and biomass energy burner 103, and body of heater 101 is provided with for surveying
The thermocouple K of amount furnace temperature, drum 102 includes inlet pipeline interface 1021 and outlet pipeline interface 1022；
The feeder installing port 1031 of described biomass energy burner 103 is connected with the feeder 22 of fuel supply portion 2；
The airduct mouth 1032 of biomass energy burner 103 connects the first aerator 301 of air feed part by airduct；
The secondary wind mouth of pipe 1033 of biomass energy burner 103 connects the second aerator 302 of air feed part by airduct；
Inlet pipeline 5 includes, from inlet pipeline interface 1201 part softening expansion tank 7 to boiler 1 of holding concurrently, managing in this section
Being sequentially connected with a stop valve 8 and force (forcing) pump 9 on road, force (forcing) pump 9 port of export is node A, and node A is to inlet pipeline interface 1201
Between pipeline on pressure transmitter P and stop valve 8 are installed successively；
Outlet pipeline 6 includes the pipeline portions between outlet pipeline interface 1022 to service water outlet, at this section of pipeline
Thermal resistance pt100 is installed, on thermal resistance pt100 back segment pipeline and ter branch road in beginning section；
First branch road installs Pressure gauge, stop valve 8, water circulating pump 10, check-valves 11, stop valve 8, Pressure gauge and pressure successively
Power transmitter P, water circulating pump 10 two ends install defecator 15 additional；
Second branch road installs Pressure gauge, stop valve 8, water circulating pump 10, check-valves 11, stop valve 8, Pressure gauge and pressure successively
Power transmitter P, water circulating pump 10 two ends install defecator 15 additional；
Check-valves 11 installed by 3rd branch road；
Water return pipeline 12 includes from the node A with inlet pipeline 5 to the pipeline portions of water return outlet, installs dirt separator successively
13, pressure transmitter P, thermal resistance pt100；Pressure transmitter P two ends connect a stop valve 8 respectively, are including two cut-offs
Bypass in parallel on this section of pipeline of valve 8, bypass is installed a stop valve 8；
Dirt separator 13 two ends connect a gate valve 14 respectively, bypass in parallel on this section of pipeline include two gate valves 14,
One gate valve 14 is installed in bypass；
Described electric control system includes master controller and softens 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 includes that motor controls to connect
Mouth, keyboard interface, display interface, AD conversion interface, DA translation interface, clock interface, buzzer warning interface；
Wherein, motor control interface includes that mair motor controls interface, the first air compressor control interface, the second aerator respectively
Control interface, motor for feeding controls interface, ash ejector controls interface, spray thrower controls interface, jarring machine controls interface, feeder
Control interface and dust removal machine controls interface；
Secondary line in motor control interface connecting circuit switch board respectively controls element, controls primary line by secondary line
In catalyst, control corresponding motor and equipment by catalyst；
AD conversion interface includes 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 the pressure of correspondence respectively and adopts
Sample passage；
It is right that the thermocouple K installed on thermal resistance pt100 on outlet pipeline 6, water return pipeline 12, body of heater 101 connects respectively
The temperature sampling passage answered;
The current signal coming from the pressure transmitter P on inlet pipeline 5 sends into CPU through AD conversion interface, by CPU
Data acquisition module completes collection and the process of intake pressure data；
The resistance signal coming from the thermal resistance pt100 on outlet pipeline 6 sends into CPU through AD conversion interface, by CPU
Data acquisition module completes leaving water temperature data acquisition and processing (DAP)；
The current signal coming from the pressure transmitter P on outlet pipeline 6 sends into CPU through AD conversion interface, by CPU
Data acquisition module completes collection and the process of discharge pressure data；
The thermal resistance pt100 come from water return pipeline 12 sends into CPU through AD conversion interface, by the data acquisition in CPU
Module completes return water temperature data acquisition and processing (DAP)；
The current signal coming from the pressure transmitter P on water return pipeline 12 sends into CPU through AD conversion interface, by CPU
Data acquisition module complete collection and the process of pressure of return water data；
The current signal coming from the scarce material detection sensor in hopper 201 sends into CPU through AD conversion interface, by CPU
Data acquisition module complete to lack the material detection collection of data and process；
CPU performs program according to the input of keyboard, and cpu instruction controls interface by mair motor and exports mair motor control electricity
Road, mair motor 1034 drives reductor 1035 to operate, and main shaft 1037 rotates with reductor 1035, and the material toggling on main shaft 1037 is with broken
Slag structure 1039 operates；
CPU judges according to leaving water temperature data, after cpu instruction is carried out DA conversion by D/A conversion module, then by electricity
Machine controls interface and is respectively outputted to the first control circuit of blower, the second control circuit of blower, feeder control circuit, completes
To wind supply quantity and the control of feed quantity；
CPU judges according to the discharge pressure data on outlet pipeline 6, and cpu instruction is carried out DA by D/A conversion module and turns
After changing, then exporting circulating pump control circuit by motor control interface, circulating pump control circuit includes converter, by converter
Control the rotating speed of 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, and cpu instruction carries out DA by D/A conversion module
After conversion, exporting force (forcing) pump control circuit by motor control interface, force (forcing) pump control circuit makes the water inlet on inlet pipeline 5
Pressure keeps constant；
CPU carries out judging the material position of granular fuel in hopper 201 according to lacking material detection sensing data, and cpu instruction is by DA
After modular converter carries out DA conversion, then export feed conveyor circuit for controlling motor by motor control interface, by feed
Transporter supplements granular fuel in hopper.
Intelligent control system for biomass energy fuel boiler employing 8051F340 processor is as main control unit, by boiler
The collection of interior temperature, controls air feed and the feed of biological mass-energy fuel boiler, makes biomass energy boiler reach optimal burning and imitates
Fruit and relatively low pollutant emission.Biological mass-energy fuel boiler controller
Lack material detection sensor and use mechanical contact, believe by the rotary state of detection axle is converted to variable-current
Number.
Systems soft ware constitute as shown in Figure 5, it is achieved major function as follows:
(1) systems soft ware software can control aerator, post-blast machine, motor for feeding, ash discharge motor, spray motor,
The co-ordinations such as vibration motor, feeding motor, dedusting motor, material toggling motor.
(2) systems soft ware can control AD conversion module, the detection water outlet of boiler, return water temperature and fire box temperature, controls to supply
Air quantity and feed quantity, and coordinate relation therebetween, to reach optimal combustion state.
(3) during work, there is burning, light a fire, be incubated and automatically control four kinds of duties.
(4) fired state is state during normal operation of boiler, and in this state, systems soft ware, according to arranging parameter, controls
The work of each motor, makes the burning of boiler reach optimum state.
(5) fired state is boiler duty when just having started operating.When igniting, manually controllable motor for feeding
With the work of material toggling motor, and by arranging the duration of ignition, adjust the air quantity of aerator, make boiler startup, enter fired state.
(6) keeping warm mode is then to reduce heat supply temperature in night, thus saves the energy and arrange.Ordinary circumstance
Under, boiler is in cold operation state in night, if boiler is set to from 6 of at 10 in evening to next day be cold operation shape
State, when the time arrives at 10 in evening, system software controls boiler, automatically into keeping warm mode, makes boiler be in cold operation shape
State, to save the energy.When the time reaches next day 6, system software controls boiler is automatically into fired state, to ensure daytime
The normal heat supply of working time.
(7) automatic mode then can be different according to the temperature going out backwater, the feed quantity of automatic regulation controller, according to
In-furnace temperature adjusts wind supply quantity automatically, to reach optimal fired state, makes efficiency of combustion the highest.
(8) by keyboard, motor each to system, the setting of air-blower control parameter can be completed, with control its startup time and
Off-air time.
(9) the fuel storing storage in fuel tank can be detected by systems soft ware, when reaching the thresholding reported to the police, passes through
Sound, light and remote alarms notify user and producer.
(10) systems soft ware has system clock, utilizes clock, can freely be arranged entrance keeping warm mode and end by user
The time of keeping warm mode, after arrival arranges the time, system automatically into or exit keeping warm mode.
(11) systems soft ware has automatic protection functions, can arrange water temperature ultimate value, after water temperature reaches the limit values, system
Would operate in keeping warm mode, in addition to motor for feeding, other motors all quit work.
(12) systems soft ware has electric machines test function, to detect motor whether fault, when electrical fault, can pass through sound
Light is reported to the police.
2. running environment
System Software Requirement runs on the hardware environment of Intelligent control system for biomass energy fuel boiler, it is desirable to its
CPU is C8051F340.
Systems soft ware is divided into initialization module, keyboard process module, LED display module, data acquisition module, DA modulus of conversion
Block, motor control module, clock control module, its population structure is as shown in Figure 2.
(1) beginningization module: complete the setting of the initialization to CPU, initial parameter.
(2) keyboard process module: Intelligent control system for biomass energy fuel boiler is provided with 8 buttons altogether, is respectively as follows: and dials
Expecting key, feed key, clock key, status key, arrange key, selection key ,+key and-key, each keypress function is as follows:
Material toggling key: manual material toggling
Feed key: manual feed
Clock key: read clock
Status key: light a fire, burn, be incubated, the switching of automatic four duties
Key is set: presses for a long time and arranges key, after relieving, enters parameter setting mode.
Select key: be equipped with key and use, complete the setting of each running parameter.
+ key and-key: increments when parameter is arranged and decrement.
(3) LED display module: system has six LED digital-scroll technique and eight LED show, can show institute
Leaving water temperature, return water temperature and the furnace temperature gathered, and clock information, work state information and warning message.
(4) data acquisition module: complete leaving water temperature, return water temperature, the data acquisition of furnace temperature and electrical fault state
Detection.
(5) D/A conversion module: complete aerator wind supply quantity and the control of motor for feeding feed quantity.
(6) motor control module: control post-blast machine, motor for feeding, ash discharge motor, spray motor, vibration motor,
The co-ordination of feeding motor, dedusting motor, material toggling motor etc..
(7) clock control module: complete setting and the display of clock, and control boiler automatically into keeping warm mode.
According to the above description, the solution of the present invention can be realized in conjunction with art technology.
Claims (1)
1. biological mass-energy fuel boiler control system, including structural system and electric control system, it is characterised in that described structure
System includes boiler (1), fuel supply portion (2), air feed part, ash discharge part (4), inlet pipeline (5), outlet pipeline (6)
And spraying and dedusting part；
Described boiler (1) includes body of heater (101), drum (102) and biomass energy burner (103), and body of heater is provided with on (101)
For measuring the thermocouple K of furnace temperature, drum (102) includes inlet pipeline interface (1021) and outlet pipeline interface (1022)；
The feeder installing port (1031) of described biomass energy burner (103) and the feeder (22) of fuel supply portion (2)
Connect；The airduct mouth (1032) of biomass energy burner (103) connects first aerator (301) of air feed part by airduct；
The secondary wind mouth of pipe (1033) of biomass energy burner (103) connects the second aerator of air feed part by airduct
(302)；
Inlet pipeline (5) includes from softening the double expansion tank (7) inlet pipeline interface (1201) part to boiler (1), at this
Being sequentially connected with a stop valve (8) and force (forcing) pump (9) on Duan Guanlu, force (forcing) pump (9) port of export is node A, and node A is to water inlet pipe
Pressure transmitter P and stop valve (8) are installed on the pipeline between road interface (1201) successively；
Outlet pipeline (6) includes the pipeline portions between outlet pipeline interface (1022) to service water outlet, at this section of pipeline
Thermal resistance pt100 is installed, on thermal resistance pt100 back segment pipeline and ter branch road in beginning section；
First branch road installs Pressure gauge, stop valve (8), water circulating pump (10), check-valves (11), stop valve (8), Pressure gauge successively
With pressure transmitter P, water circulating pump (10) two ends install defecator (15) additional；
Second branch road installs Pressure gauge, stop valve (8), water circulating pump (10), check-valves (11), stop valve (8), Pressure gauge successively
With pressure transmitter P, water circulating pump (10) two ends install defecator (15) additional；
Check-valves (11) installed by 3rd branch road；
Water return pipeline (12) includes from the node A with inlet pipeline (5) to the pipeline portions of water return outlet, installs dirt separator successively
(13), pressure transmitter P, thermal resistance pt100；Pressure transmitter P two ends connect a stop valve (8) respectively, are including two
Bypass in parallel on this section of pipeline of stop valve (8), bypass is installed a stop valve (8)；
Dirt separator (13) two ends connect a gate valve (14) respectively, in parallel other on this section of pipeline including two gate valves (14)
Road, bypass is installed a gate valve (14)；
Described electric control system includes master controller and softens 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 includes motor control interface, key
Dish interface, display interface, AD conversion interface, DA translation interface, clock interface, buzzer warning interface；
Wherein, motor control interface includes that mair motor controls interface, the first air compressor control interface, the second air compressor control respectively
Interface, motor for feeding control interface, ash ejector controls interface, spray thrower controls interface, jarring machine controls interface, feeder controls
Interface and dust removal machine control interface；
Secondary line in motor control interface connecting circuit switch board respectively controls element, is controlled in primary line by secondary line
Catalyst, controls corresponding motor and equipment by catalyst；
AD conversion interface includes 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 the pressure of correspondence respectively
Sampling channel；
The upper thermocouple K installed of thermal resistance pt100 on outlet pipeline (6), water return pipeline (12), body of heater (101) connects respectively
Corresponding temperature sampling passage；
The current signal coming from the pressure transmitter P on inlet pipeline (5) sends into CPU through AD conversion interface, by the number in CPU
Collection and the process of intake pressure data is completed according to acquisition module；
The resistance signal coming from the thermal resistance pt100 on outlet pipeline (6) sends into CPU through AD conversion interface, by the number in CPU
Leaving water temperature data acquisition and processing (DAP) is completed according to acquisition module；
The current signal coming from the pressure transmitter P on outlet pipeline (6) sends into CPU through AD conversion interface, by the number in CPU
Collection and the process of discharge pressure data is completed according to acquisition module；
The thermal resistance pt100 come from water return pipeline (12) sends into CPU through AD conversion interface, by the data acquisition module in CPU
Block completes return water temperature data acquisition and processing (DAP)；
The current signal coming from the pressure transmitter P on water return pipeline (12) sends into CPU through AD conversion interface, by CPU
Data acquisition module completes collection and the process of pressure of return water data；
The current signal coming from the scarce material detection sensor in hopper (201) sends into CPU through AD conversion interface, by CPU
Data acquisition module completes to lack collection and the process of material detection data；
CPU performs program according to the input of keyboard, and cpu instruction controls interface by mair motor and exports mair motor control circuit,
Mair motor (1034) drives reductor (1035) operating, and main shaft (1037) rotates with reductor (1035), on main shaft (1037)
Material toggling and break structure (1039) operating；
CPU judges according to leaving water temperature data, after cpu instruction is carried out DA conversion by D/A conversion module, then by motor control
Interface processed is respectively outputted to the first control circuit of blower, the second control circuit of blower, feeder control circuit, completes confession
Air quantity and the control of feed quantity；
CPU judges according to the discharge pressure data on outlet pipeline (6), and cpu instruction is carried out DA conversion by D/A conversion module
After, then exporting circulating pump control circuit by motor control interface, circulating pump control circuit includes converter, by converter control
The rotating speed of water circulating pump processed (10), makes the pressure of return water on outlet pipeline (6) keep constant；
CPU judges according to the intake pressure data on inlet pipeline (5), and cpu instruction carries out DA by D/A conversion module and turns
After changing, exporting force (forcing) pump control circuit by motor control interface, force (forcing) pump control circuit makes the water inlet on inlet pipeline (5)
Pressure keeps constant；
CPU carries out judging the material position of granular fuel in hopper (201) according to lacking material detection sensing data, and cpu instruction is turned by DA
After die change block carries out DA conversion, then export feed conveyor circuit for controlling motor by motor control interface, feed pass
Device is sent to supplement granular fuel in hopper.
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| CN201410349653.0A CN104089405B (en) | 2014-07-22 | 2014-07-22 | Biological mass-energy fuel boiler control system |
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|---|---|---|---|
| CN201410349653.0A CN104089405B (en) | 2014-07-22 | 2014-07-22 | Biological mass-energy fuel boiler control system |
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| CN104089405B true CN104089405B (en) | 2016-08-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746273Y (en) * | 2004-05-11 | 2005-12-14 | 宋晓明 | Environmental protection biological burner |
| CN201269539Y (en) * | 2008-07-23 | 2009-07-08 | 天津市星拓科技发展有限公司 | Intelligent control system of biomass fuel boiler |
| CN101725999A (en) * | 2009-12-11 | 2010-06-09 | 中国电力科学研究院 | Method for controlling load of biomass vibration grate boiler |
| 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 |
-
2014
- 2014-07-22 CN CN201410349653.0A patent/CN104089405B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746273Y (en) * | 2004-05-11 | 2005-12-14 | 宋晓明 | Environmental protection biological burner |
| CN201269539Y (en) * | 2008-07-23 | 2009-07-08 | 天津市星拓科技发展有限公司 | Intelligent control system of biomass fuel boiler |
| CN101725999A (en) * | 2009-12-11 | 2010-06-09 | 中国电力科学研究院 | Method for controlling load of biomass vibration grate boiler |
| 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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| CN104089405A (en) | 2014-10-08 |
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