CN203118264U - Industrial coal-fired boiler energy-saving operation skill simulation training device - Google Patents
Industrial coal-fired boiler energy-saving operation skill simulation training device Download PDFInfo
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- CN203118264U CN203118264U CN 201320054771 CN201320054771U CN203118264U CN 203118264 U CN203118264 U CN 203118264U CN 201320054771 CN201320054771 CN 201320054771 CN 201320054771 U CN201320054771 U CN 201320054771U CN 203118264 U CN203118264 U CN 203118264U
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Abstract
The utility model discloses an industrial coal-fired boiler energy-saving operation skill simulation training device. A linear displacement sensor is fixed at a front arch installation position inside a chain grate, a rotating speed sensor is fixedly installed on a main shaft of a grate driving motor, four air door angular displacement sensors, an air blower angular displacement sensor and an induced draft fan angular displacement sensor are installed on segmented air doors, an air blower and an induced draft fan respectively, two potentiometers are installed in a feed water valve and a main stop valve respectively, an electronic grate is installed in a boiler furnace, a coal quantity indicating LED light column is installed on a side face of a coal scuttle, a touch screen display is installed on an operating console, a double-color LED light column is installed in a water level gauge, a stepping motor is installed in a pressure gauge, and a PLC is installed in the operating console. The industrial coal-fired boiler energy-saving operation skill simulation training device overcomes defects existing in an existing boiler operation simulation training device, the simulation degree is high, and the sense of reality of operation is strong, realizing training of energy-saving operation skills, and providing a new training mode for actual operation of an industrial boiler.
Description
Technical field
The utility model relates to Industrial Boiler operational simulation training set, especially relates to a kind of industry coal-boiler power-save operation technical ability emulation training device.
Background technology
Industrial Boiler operational simulation training set is a kind of semi physical formula emulation training checking system of being made up of scaled down boiler entity physical model and backstage simulation computer, is called the boiler analog machine usually again.Do not have media such as fuel, water, vapour in this class device, do not have physical and chemical processes such as real burning, evaporation yet.Utilize the boiler analog machine that stoker personnel's practical operation technical ability is giveed training examination, can obtain result of training preferably, can guarantee safety of persons again simultaneously.
Along with carrying out of national energy-saving and emission-reduction strategy, Industrial Boiler becomes one of energy-conservation main object.China's industry coal-boiler One's name is legion, and actual thermal efficiency on average only is 60% ~ 65%.Facts have proved, fireman's operant level and energy-saving safety consciousness are the deciding factors that influences boiler efficiency, the energy-saving effect that improves stoker's personnel operation level and obtain can account for about 1/3 of energy-conservation total amount, and the training of carrying out fireman's power-save operation technical ability seems very urgent.Yet present Industrial Boiler analog machine does not have the function of power-save operation skills training, safe operation skills training function only is provided, the training of some normal operation step as to boiler operatiopn the time, and at the emulation training of the emergency operation of common accident.To realize that the training and examination of coal-burning boiler energy-saving operative skill need possess certain software and hardware condition at the boiler analog machine, need to send energy-conservation operation key physical amounts such as branch door aperture, drum air inducing baffle opening, feedwater gas outlet valve door aperture to carry out continuous detecting to coal seam height, fire grate speed, segmentation at hardware, and design corresponding coal amount regulate pick-up unit, air quantity regulate pick-up unit, confluent and quantity of steam regulate pick-up unit, and thermodynamic parameter show feedback assembly etc.; And need the mathematical model of the comparatively accurate full operating mode dynamic operation of boiler at software, make and set up interaction relation between each physical quantity when energy-saving variable operated.
Existing boiler attendance emulation training device does not have above condition, state-detection to spigot baffle etc. is handled with the form of switching value or gear amount usually, on operating mechanism, also carry out some simplification usually, as adopt iron sheet or plank to do the externally-packed structure of boiler, the traveling-grate stoker that does not have real running, omitted the coal seam height adjustment mechanism, omitted the segmentation air door regulating mechanism, demonstration to the boiler state is also represented with the light on and off of pilot lamp usually, lacks the demonstration of boiler operatiopn key parameters such as coefficient of excess air, exhaust gas temperature, the thermal efficiency.Comparatively speaking, supporting the industry coal-boiler emulation training device of power-save operation skills training examination to relate to correlation techniques such as physical construction design, sensing detection, Electromechanical Control, software programming, is the more complicated Mechatronic Systems of a cover.
The utility model content
In order to overcome the deficiency of above-mentioned background technology, the purpose of this utility model is the emulation training device that proposes a kind of industry coal-boiler power-save operation technical ability, realization is to fireman's practical operation technical ability, especially training and the examination of the various practical operation technical ability of industry coal-boiler energy conservation economic operation.
The technical scheme that its technical matters that solves the utility model adopts is:
The utility model comprise traveling-grate stoker, drum and externally-packed structure thereof, gauge glass, tensimeter, stop valve, water-supply valve, safety valve, vent valve, soon open blowoff valve, drive blowoff valve, fan blower, induced draft fan, fly-ash separator, feed pump, slag remover, operating console, emulation microcomputer slowly.The linear displacement transducer that is used for measuring the coal seam height is fixed in the face arch installation place of traveling-grate stoker inside, and the linear displacement transducer pull bar is fixedlyed connected with the coal flashboard; The speed probe that is used for measuring fire grate speed is fixedly mounted on the main shaft of fire grate drive motor; Four dampers angular displacement transducers that are used for measuring the segmentation throttle opening are fixed on the fire grate side plate by support respectively, and the rotating shaft of each dampers angular displacement transducer is fixedlyed connected with air door rotating shaft separately respectively; The fan blower angular displacement sensor that is used for measuring the air blast baffle opening is installed in the rotating shaft of air blast baffle plate; The induced draft fan angular displacement sensor that is used for measuring the air inducing baffle opening is installed in the rotating shaft of air inducing baffle plate; Two potentiometers of be used for measuring valve opening arc sleeve by separately respectively are installed in water-supply valve and the stop valve; Being used for the electronics fireplace of simulated hearth flame is installed in the boiler furnace; Be used for showing that the coal amount indication LED light beam of residue coal amount in the coal bunker is fixedly mounted on the side of coal bunker; Be used for showing that the touch-screen display of boiler operatiopn thermodynamic parameter performance graph is installed on the operating console; Be used for showing that the dual-colored LED light beam of water level is fixedly mounted in the gauge glass; Being used for driving the stepper motor that pointer rotates is installed in the tensimeter; The PLC controller is installed in the operating console, described various sensor, display device and drive unit are electrically connected by cable and PLC controller, the PLC controller connects the emulation microcomputer by Ethernet, and touch-screen display connects the emulation microcomputer by the VGA cable.
Described two potentiometers of be used for measuring valve opening freely are placed in separately the arc sleeve, two arc sleeves are separately fixed at water-supply valve and stop valve valve inner by screw thread, and two rotating shafts that are used for the potentiometer of measurement valve opening are fixedlyed connected with the valve rod of water-supply valve and stop valve respectively.
Moving the training and examination software that comprises coal-burning boiler Digital Simulation program and operation note scoring procedures on the described emulation microcomputer.
The described flame status that is installed in the electronics fireplace in the burner hearth is regulated according to the combustion case of emulation.
The utility model operation steps is:
1) trainer opens training and examination software at the emulation microcomputer, and the back enters training pattern or examination pattern according to training request landing successfully, selects power-save operation skills training examination question one, is finished the setting of original state behind selected examination question by the student;
2) student is according to the literal that occurs on the operating console touch-screen display and animation prompting, the original state of industry coal-boiler power-save operation technical ability emulation training device is set, till the original state of the coal flashboard height on the boiler entity physical model, fire grate speed, four segmentation air registers, fan blower baffle plate, induced draft fan baffle plate, all valves, instrument and display device meets examination question and requires;
3) student clicks " beginning exercise " button at touch-screen display, beginning power-save operation skills training process; The student is by observing gauge glass, tensimeter, coal amount indication LED light beam, the electronics fireplace, each pilot lamp on the operating console, current voltmeter, alarm lamp, and the thermodynamic parameter performance graph that shows on the touch-screen display, comprise the thermal efficiency, furnace outlet place cigarette temperature and excess air coefficient, exhaust gas temperature and excess air coefficient, body of heater appearance temperature, combustion chamber draft, the operating condition of boiler and the reason of fallback are made analysis and judgement, regulate each operating mechanism relevant with power-save operation on the boiler entity physical model then, comprise coal flashboard control hand wheel, fire grate speed governing knob, four air door adjusting handles, air blast baffle plate adjusting handle, air inducing baffle plate adjusting handle, the water-supply valve handwheel, the stop valve handwheel, the situation that while occurs according to boiler, each operating mechanism relevant with safe operation on the boiler entity physical model carried out auxiliary adjustment, comprise vent valve, safety valve, drive blowoff valve soon, slowly drive blowoff valve, see fiery window, door pokes fire, three-way cock, each cock on the gauge glass, each button on the switch board;
4) the PLC controller is sampled to the state of each sensor on the boiler entity physical model and each button on the operating console by the frequency of setting, again the status signal of each sensor and button is processed into and has comprised the power-save operation signal at interior all kinds of operation signals, and by Ethernet with each operation signal input emulation microcomputer; The emulation microcomputer is correcting errors according to operation note scoring procedures record and judgement student's operation on the one hand, calculate each parameter signal of boiler simulation run on the other hand according to coal-burning boiler Digital Simulation program, wherein comprise vapor pressure, water level, coal bunker coal surplus, furnace flame size and export to the PLC controller at interior parameter signal by Ethernet, comprise the thermal efficiency, exhaust gas temperature, excess air coefficient, body of heater appearance temperature, combustion chamber draft and export to touch-screen display at interior parameter signal; Each parameter signal that the PLC controller will be received further is processed into the driving signal of all kinds of display device, and each is driven signal export gauge glass, tensimeter, coal amount indication LED light beam, electronics fireplace on the boiler entity physical model respectively to, and the pilot lamp on the operating console, current voltmeter, alarm lamp, each parameter signal that touch-screen display will be received is shown as the performance graph form, thereby the operating condition of boiler is fed back to the student, make the student make further judgement and operation adjusting;
5) after the running time of examination question regulation arrives, student's operation is with invalid, the operation note scoring procedures is according to the evenly heat efficient of examination question boiler simulation run in scheduled operating time, average exhaust gas temperature, and student's operation steps of noting automatically of operation note scoring procedures, the student is marked in the operation of examination question in the stipulated time, and show final score and prompting deduction of points content and corresponding faulty operation step by touch-screen display to the student, the student clicks " confirming scoring " button and finishes the exercise of examination question at touch-screen display, if the examination pattern, then operation note scoring procedures is charged to system database with student's exercise achievement.
Compare with background technology, the beneficial effect that the utlity model has is:
1. training set of the present utility model has overcome the defective that existing boiler attendance emulation training device exists, broken through the function restriction of existing training set, employing can quantitatively continuous coverage aperture the coal amount, air quantity, the water yield, the vapour quantity regulating device, electrified valve based on electromagnetic sensing technology, controlled electron flame based on the novel optical principle, the giant-screen touch-screen display that can show crucial thermodynamic parameter performance graph, the traveling-grate stoker of real motion, have the structures such as exterior wall entity of analyzing structure, vision by the user, the sense of hearing, analog simulations such as sense of touch provide training environment comparatively true to nature for the fireman that undergoes training, realize training and the examination of the actual power-save operation technical ability of industry coal-boiler, had traditional safe operation and emergency operation skills training function simultaneously again concurrently.
2. industry coal-boiler power-save operation technical ability emulation training method of the present utility model provides a kind of new training pattern for the practical operation skills training of Industrial Boiler, with strong points, has systematicness, take into account practical operation and theoretical two aspects of strengthening, can effectively reduce training cost, the fidelity height, operation sense is true, and result of training is good.
Description of drawings
Fig. 1 is the assembling front view of emulation training device of the present utility model.
Fig. 2 is the assembling left view of emulation training device of the present utility model.
Fig. 3 is that the A of Fig. 1 is to partial enlarged view.
Fig. 4 is the sectional structure chart of water-supply valve and stop valve aperture pick-up unit.
Fig. 5 is the signal flow diagram of emulation training device of the present utility model.
Fig. 6 is the process flow diagram of industry coal-boiler power-save operation technical ability emulation training method of the present utility model.
Among the figure: 1. operating console, 2.PLC controller, 3. traveling-grate stoker, 4. coal flashboard control hand wheel, 5. coal bunker, 6. coal amount indication LED light beam, 7. coal flashboard, 8. linear displacement transducer, 9. linear displacement transducer pull bar, 10. tensimeter, 11. three-way cocks, 12. gauge glasss, 13. water level alarm, 14. vent valves, 15. stop valves, 16. safety valve, 17. drums, 18. flues, 19. fly-ash separator, 20. induced draft fan angular displacement sensors, 21. induced draft fans, 22. the air inducing baffle plate, 23. air inducing baffle plate rotating shafts, 24. air inducing baffle plate adjusting handles, 25. the fan blower angular displacement sensor, 26. fan blowers, 27. air blast baffle plate rotating shafts, 28. air blast baffle plate, 29. air blast baffle plate adjusting handle, 30. drive blowoff valve soon, and 31. drive blowoff valve slowly, 32. driving chain, 33. the electronics fireplace, 34. burner hearth viewing windows, 35. supports, 36. four deashing bars, 37. four dampers angular displacement transducers, 38. air door adjusting handles, 39. cables, 40. fire grate drive unit, the door 41. poke fire, 42. see fiery window, 43. fire grate side plates, 44. air door rotating shaft, 45. feed pump, 46. feed pressure tables, 47. slag removers, 48. non-return valve, 49. water-supply valve, 50. speed probes, 51. fire grate drive motor, 52. touch-screen display, 53. the emulation microcomputer, 54. valve bodies, 55. valve rods, 56. two potentiometers, 57. arc sleeves.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, industry coal-boiler power-save operation technical ability emulation training device of the present utility model is made up of boiler entity physical model, operating console 1, emulation microcomputer 53 three parts.Wherein boiler entity physical model by traveling-grate stoker 3, drum 17 and externally-packed structure thereof, be installed in valve on the drum and instrument, and the supporting auxiliary device of boiler form.Traveling-grate stoker 3 comprises grate base, coal bunker 5, fire grate drive unit 40, and grate base is provided with 1 and sees fiery window 42,4 segmentation air registers and 4 deashing bars 36; The externally-packed structure of drum is provided with poke fire door 41, burner hearth viewing window 34; Be installed in valve on the drum comprise safety valve 16, stop valve 15, vent valve 14, soon open blowoff valve 30, drive blowoff valve 31, water-supply valve 49, non-return valve 48 slowly; The instrument that is installed on the drum comprises gauge glass 12, water level alarm 13, tensimeter 10, feed pressure table 46; The supporting auxiliary device of boiler comprises fan blower 26, induced draft fan 21, fly-ash separator 19, flue 18, feed pump 45, slag remover 47 etc.
Realize the emulation training function of coal-burning boiler energy-saving operative skill, need carry out measurements and calculations to the coal input quantity of fire grate, the intake of burner hearth, the inflow of drum, the quantity of steam of drum, namely at first need continuous coverage coal seam height, fire grate speed, segmentation to send branch door aperture, air blast baffle opening, air inducing baffle opening, water-supply valve aperture, these power-save operation key physical amounts of stop valve aperture.
As shown in Figure 1, at the face arch installation place at coal bunker 5 rears fixed installation linear displacement transducer 8, its pull bar 9 is fixedlyed connected with coal flashboard 7 with bolt by web joint, when rotating coal flashboard control hand wheel 4, coal flashboard 7 drives linear displacement transducer pull bar 9 motion together, and linear displacement transducer 8 is measured the regulated value of fire grate coal seam height.As shown in Figure 2, fixed installation speed probe 50 is used for measuring motor speed on the main shaft of fire grate drive motor 51, so can convert the movement velocity of fire grate.By the coal seam arrange height and fire grate movement velocity can be regarded as the coal input quantity of fire grate.
As Fig. 1, shown in Figure 3, on 4 segmentation air doors of fire grate, the throttle opening pick-up unit is installed all.Four dampers angular displacement transducers 37 are fixedly installed on the fire grate side plate 43 by support 35 respectively, the rotating shaft of each dampers angular displacement transducer 37 is fixedlyed connected with air door rotating shaft 44 separately by pin respectively, when air door adjusting handle 38 rotates, air door rotating shaft 44 drives angular displacement sensor rotating shaft campaign, thereby measures the aperture that arranges of segmentation air door.As shown in Figure 1, on fan blower 26 and induced draft fan 21, the baffle opening pick-up unit is installed all.Be example with the fan blower, rotating shaft and the rotating shaft of air blast baffle plate 27 that are used for measuring the fan blower angular displacement sensor 25 of air blast baffle plate 28 apertures are fixedlyed connected by pin, when air blast baffle plate adjusting handle 29 rotates, fan blower angular displacement sensor 25 is measured the aperture of air blast baffle plate 28, further can calculate the air blast air quantity, identical with air blast, when rotating air inducing baffle plate adjusting handle 24, can measure the air inducing baffle opening.Can calculate parameters such as the intake of each air compartment and blast, burner hearth intake, combustion chamber draft according to each throttle opening and drum air inducing air quantity.
As Fig. 1, Fig. 2, shown in Figure 4, equal mounted valve aperture pick-up unit in water-supply valve 49 and stop valve 15.Be example with the stop valve, arc sleeve 57 is fixed on valve body 54 inside by screw thread, freely place potentiometer 56 in the sleeve, make potentiometer moving axially, but can't be in circumferential rotation, the rotating shaft of potentiometer is fixedlyed connected with valve rod 55 by pin, and when valve handle rotated, potentiometer 56 was measured valve opening.Can calculate the quantity of steam of drum inflow and drum according to the aperture of stop valve and water-supply valve.
Realize the training of power-save operation technical ability, also need on the training set boiler operatiopn state after the student operation shown and feed back to operating personnel.The physical quantity that need to show has thermodynamic parameters such as water level value, drum pressure, boiler thermal output, furnace outlet place cigarette temperature and excess air coefficient, exhaust gas temperature and excess air coefficient, the body of heater appearance temperature of remaining coal amount, drum in flame status in the burner hearth, the coal bunker.
As shown in Figure 1, electronics fireplace 33 is installed in boiler furnace, be used for flame in the simulated hearth, and its flame status can regulate according to the combustion case of emulation, operating personnel can observe the flame that the electronics fireplace is simulated from the burner hearth viewing window 34 of poke fire door 41 and boiler outsourcing.At the side of coal bunker 5 fixed installation coal amount indication LED light beam 6, represent residue coal amount in the coal bunker with the bright length of light pin deck.Double-colored LED light beam is installed in gauge glass 12 equally, is used to refer to the boiler drum water level value.Thereby stepper motor is installed in tensimeter is driven the pressure that pointer rotates the indication drum.As shown in Figure 2, display panel at operating console 1 is installed touch-screen display 52, the performance graph of thermodynamic parameters such as the thermal efficiency that demonstration is calculated by coal-burning boiler Digital Simulation program on the display when boiler operatiopn, exhaust gas temperature, excess air coefficient.Operating personnel make judgement by the thermodynamic parameter display device of observing on boiler model and the control desk to the state of boiler, and do further adjustment operation.
Except the measurement and demonstration of above power-save operation key physical amount, on the boiler physical model, also need detect some other operation signal, with entire run and the safe operation skills training check function of realizing a whole set of boiler.As shown in Figure 1, see fiery window 42, each cock on poke fire door 41, three-way cock 11, the gauge glass 12, vent valve 14, safety valve 16, soon open blowoff valve 30, open contactless electromagnetic sensor all be installed on the blowoff valve 31 slowly, be used for detecting the on off state of these operating mechanisms or valve.In addition, the layout of operating console 1 also is based on actual boiler, key panel is provided with the start and stop button to device operations such as fire grate, feed pump, forced-and-induced draft fan, slag removers, at display panel fire grate speed regulator, level pressure alarm lamp, volometer etc. is installed.
As shown in Figure 1, on the boiler entity physical model of described training set, the driving chain 32 that is installed on the traveling-grate stoker 3 adopts the fire grate segment of being made by plastic material to assemble, the coal flashboard 7 that is installed on the coal bunker 5 adopts wood materials to make, materials such as sealing block have been omitted in the fire grate 3, also omitted materials such as refractory brick in the boiler, its objective is the weight that alleviates boiler model, convenient transportation and installation.
As shown in Figure 1 and Figure 2, PLC controller 2 is installed in the operating console 1, the various sensors, display device and the drive unit that are installed on the boiler entity physical model are electrically connected by cable 39 and PLC controller 2, button on the operating console 1 and display device also are electrically connected with PLC controller 2, PLC controller 2 connects by Ethernet and emulation microcomputer 53, and touch-screen display 52 is connected with emulation microcomputer 53 by the VGA cable.Moving the training and examination software that comprises coal-burning boiler Digital Simulation program and operation note scoring procedures on the emulation microcomputer 53, wherein coal-burning boiler Digital Simulation program is write according to the mathematical model of the full operating mode operation of coal-burning boiler.
As shown in Figure 5, signal flow relation between each parts of emulation training device of the present utility model is as follows: the student is at boiler entity physical model and the enterprising line operate of operating console of training set, convert the mechanical signal of each operating mechanism to electric signal by each sensor on the boiler entity physical model, the PLC controller is sampled to the state of each button on each sensor and the operating console by certain frequency, again the status signal of each sensor and button is processed into and has comprised the power-save operation signal at interior all kinds of operation signals, and by Ethernet with each operation signal input emulation microcomputer; The emulation microcomputer is correcting errors according to operation note scoring procedures record and judgement student's operation on the one hand, calculate each parameter signal of boiler simulation run on the other hand according to coal-burning boiler Digital Simulation program, wherein comprise vapor pressure, water level, coal bunker coal surplus, furnace flame size and export to the PLC controller at interior parameter signal by Ethernet, comprise the thermal efficiency, exhaust gas temperature, excess air coefficient, body of heater appearance temperature, combustion chamber draft and export to touch-screen display at interior parameter signal; Each parameter signal that the PLC controller will be received further is processed into the driving signal of all kinds of display device, and each is driven signal export gauge glass, tensimeter, coal amount indication LED light beam, electronics fireplace on the boiler entity physical model respectively to, and the pilot lamp on the operating console, current voltmeter, alarm lamp, each parameter signal that touch-screen display will be received is shown as the performance graph form, thereby the operating condition of boiler is fed back to the student, make the student make further judgement and operation adjusting.After the training exercise was finished, the operation note scoring procedures was shown to the student with student's score and deduction of points information by touch-screen display.Realize the training of coal-burning boiler energy-saving operative skill and safe operation technical ability according to this.
The process flow diagram of industry coal-boiler power-save operation technical ability emulation training method of the present utility model as shown in Figure 6, use industry coal-boiler power-save operation technical ability emulation training device of the present utility model that the student is carried out the training of power-save operation technical ability, method step is as follows:
1) trainer opens training and examination software at the emulation microcomputer, and the back enters training pattern or examination pattern according to training request landing successfully, selects power-save operation skills training examination question one, is finished the setting of original state behind selected examination question by the student.
2) student is according to the literal that occurs on the operating console touch-screen display and animation prompting, the original state of industry coal-boiler power-save operation technical ability emulation training device is set, till the original state of the coal flashboard height on the boiler entity physical model, fire grate speed, four segmentation air registers, fan blower baffle plate, induced draft fan baffle plate, all valves, instrument and display device meets examination question and requires.
3) student clicks " beginning exercise " button at touch-screen display, beginning power-save operation skills training process; The student is by observing gauge glass, tensimeter, coal amount indication LED light beam, the electronics fireplace, each pilot lamp on the operating console, current voltmeter, alarm lamp, and the thermodynamic parameter performance graph that shows on the touch-screen display, comprise the thermal efficiency, furnace outlet place cigarette temperature and excess air coefficient, exhaust gas temperature and excess air coefficient, body of heater appearance temperature, combustion chamber draft, the operating condition of boiler and the reason of fallback are made analysis and judgement, regulate each operating mechanism relevant with power-save operation on the boiler entity physical model then, comprise coal flashboard control hand wheel, fire grate speed governing knob, four air door adjusting handles, air blast baffle plate adjusting handle, air inducing baffle plate adjusting handle, the water-supply valve handwheel, the stop valve handwheel, the situation that while occurs according to boiler, each operating mechanism relevant with safe operation on the boiler entity physical model carried out auxiliary adjustment, comprise vent valve, safety valve, drive blowoff valve soon, slowly drive blowoff valve, see fiery window, door pokes fire, three-way cock, each cock on the gauge glass, each button on the switch board.
4) the PLC controller is sampled to the state of each sensor on the boiler entity physical model and each button on the operating console by certain frequency, again the status signal of each sensor and button is processed into and has comprised the power-save operation signal at interior all kinds of operation signals, and by Ethernet with each operation signal input emulation microcomputer; The emulation microcomputer is correcting errors according to operation note scoring procedures record and judgement student's operation on the one hand, calculate each parameter signal of boiler simulation run on the other hand according to coal-burning boiler Digital Simulation program, wherein comprise vapor pressure, water level, coal bunker coal surplus, furnace flame size and export to the PLC controller at interior parameter signal by Ethernet, comprise the thermal efficiency, exhaust gas temperature, excess air coefficient, body of heater appearance temperature, combustion chamber draft and export to touch-screen display at interior parameter signal; Each parameter signal that the PLC controller will be received further is processed into the driving signal of all kinds of display device, and each is driven signal export gauge glass, tensimeter, coal amount indication LED light beam, electronics fireplace on the boiler entity physical model respectively to, and the pilot lamp on the operating console, current voltmeter, alarm lamp, each parameter signal that touch-screen display will be received is shown as the performance graph form, thereby the operating condition of boiler is fed back to the student, make the student make further judgement and operation adjusting.
5) after the running time of examination question regulation arrives, student's operation is with invalid, the operation note scoring procedures is according to the evenly heat efficient of examination question boiler simulation run in scheduled operating time, average exhaust gas temperature, and student's operation steps of noting automatically of operation note scoring procedures, the student is marked in the operation of examination question in the stipulated time, and show final score and prompting deduction of points content and corresponding faulty operation step by touch-screen display to the student, the student clicks " confirming scoring " button and finishes the exercise of examination question at touch-screen display, if the examination pattern, then operation note scoring procedures is charged to system database with student's exercise achievement.
Above-mentioned embodiment is used for the utility model of explaining; rather than the utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection domain of the present utility model.
Claims (3)
1. industry coal-boiler power-save operation technical ability emulation training device, comprise traveling-grate stoker (3), drum (17) and externally-packed structure thereof, gauge glass (12), tensimeter (10), stop valve (15), water-supply valve (49), safety valve (16), vent valve (14), soon open blowoff valve (30), drive blowoff valve (31), fan blower (26), induced draft fan (21), fly-ash separator (19), feed pump (45), slag remover (47), operating console (1), emulation microcomputer (53) slowly; It is characterized in that: the linear displacement transducer (8) that is used for measuring the coal seam height is fixed in the inner face arch installation place of traveling-grate stoker (3), and linear displacement transducer pull bar (9) is fixedlyed connected with coal flashboard (7); The speed probe (50) that is used for measuring fire grate speed is fixedly mounted on the main shaft of fire grate drive motor (51); Four the dampers angular displacement transducers (37) that are used for measuring the segmentation throttle opening are fixed on the fire grate side plate (43) by support (35) respectively, and the rotating shaft of each dampers angular displacement transducer (37) is fixedlyed connected with air door rotating shaft separately (44) respectively; The fan blower angular displacement sensor (25) that is used for measuring air blast baffle plate (28) aperture is installed in the air blast baffle plate rotating shaft (27); The induced draft fan angular displacement sensor (20) that is used for measuring air inducing baffle plate (22) aperture is installed in the air inducing baffle plate rotating shaft (23); Two potentiometers (56) of be used for measuring valve opening arc sleeve (57) by separately respectively are installed in water-supply valve (49) and the stop valve (15); Being used for the electronics fireplace (33) of simulated hearth flame is installed in the boiler furnace; Be used for showing that the coal amount indication LED light beam (6) of residue coal amount in the coal bunker is fixedly mounted on the side of coal bunker (5); The touch-screen display (52) that is used for showing boiler operatiopn thermodynamic parameter performance graph is installed on the operating console (1); Be used for showing that the dual-colored LED light beam of water level is fixedly mounted in the gauge glass (12); Being used for driving the stepper motor that pointer rotates is installed in the tensimeter (10); PLC controller (2) is installed in the operating console (1), various sensors, display device and drive unit are electrically connected by cable (39) and PLC controller (2), PLC controller (2) connects emulation microcomputer (53) by Ethernet, and touch-screen display (52) connects emulation microcomputer (53) by the VGA cable.
2. a kind of industry coal-boiler power-save operation technical ability emulation training device according to claim 1, it is characterized in that: described two potentiometers (56) of be used for measuring valve opening freely are placed in separately the arc sleeve (57), two arc sleeves (57) are separately fixed at water-supply valve (49) and stop valve (15) valve inner by screw thread, and two rotating shafts that are used for the potentiometer of measurement valve opening are fixedlyed connected with the valve rod (55) of water-supply valve (49) and stop valve (15) respectively.
3. a kind of industry coal-boiler power-save operation technical ability emulation training device according to claim 1 is characterized in that: the described flame status that is installed in the electronics fireplace (33) in the burner hearth is regulated according to the combustion case of emulation.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093662A (en) * | 2013-01-29 | 2013-05-08 | 杭州市特种设备检测院 | Industrial coal boiler energy-saving operation skill simulation training device and method |
| CN108520670A (en) * | 2018-06-22 | 2018-09-11 | 洛阳理工学院 | A kind of simulation and training checking device of valve operation |
-
2013
- 2013-01-29 CN CN 201320054771 patent/CN203118264U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093662A (en) * | 2013-01-29 | 2013-05-08 | 杭州市特种设备检测院 | Industrial coal boiler energy-saving operation skill simulation training device and method |
| CN103093662B (en) * | 2013-01-29 | 2014-07-23 | 杭州市特种设备检测院 | Industrial coal boiler energy-saving operation skill simulation training device and method |
| CN108520670A (en) * | 2018-06-22 | 2018-09-11 | 洛阳理工学院 | A kind of simulation and training checking device of valve operation |
| CN108520670B (en) * | 2018-06-22 | 2024-01-30 | 洛阳理工学院 | Simulation training and checking device for valve operation |
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