CN105889907A - Circulating fluidized bed boiler ignition device and ignition control method thereof - Google Patents
Circulating fluidized bed boiler ignition device and ignition control method thereof Download PDFInfo
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- CN105889907A CN105889907A CN201610330971.1A CN201610330971A CN105889907A CN 105889907 A CN105889907 A CN 105889907A CN 201610330971 A CN201610330971 A CN 201610330971A CN 105889907 A CN105889907 A CN 105889907A
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- valve
- ignition
- fusel
- temperature rise
- regulation
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000000446 fuel Substances 0.000 claims abstract description 165
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000002283 diesel fuel Substances 0.000 claims abstract description 42
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims description 92
- 238000010926 purge Methods 0.000 claims description 63
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 51
- 238000012546 transfer Methods 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 238000000889 atomisation Methods 0.000 claims description 15
- 238000010892 electric spark Methods 0.000 claims description 15
- 238000005194 fractionation Methods 0.000 claims description 15
- 238000012806 monitoring device Methods 0.000 claims description 15
- 238000004880 explosion Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 12
- 239000006227 byproduct Substances 0.000 claims description 8
- 238000005474 detonation Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000003009 desulfurizing effect Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000003350 kerosene Substances 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q13/00—Igniters not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Regulation And Control Of Combustion (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention belongs to a circulating fluidized bed boiler ignition device and an ignition control method of the circulating fluidized bed boiler ignition device. The circulating fluidized bed boiler ignition device comprises a fuel system, a fuel conveying system, an ignition system, a compressed air system and a microprocessor control system; the fuel system comprises a fusel fuel unit, a pure alcohol fuel unit and a diesel fuel unit; the fuel conveying system comprises a fusel pump inlet valve, a fourth tee joint, a fusel pump, a filter, a fusel outlet valve, a boiler-front inlet valve, a first tee joint, a second tee joint and a third tee joint which are sequentially connected with a fusel discharging opening; the ignition system comprises a first adjusting valve which is connected with a fuel inlet of a boiler ignition oil gun, a fire outlet of the boiler ignition oil gun is formed inside the front end of an ignition air flue, and the tail end of the ignition air flue is connected with a primary air chamber of a circulating fluidized bed boiler; and the circulating fluidized bed boiler ignition device has the beneficial effects that fusel, pure alcohol or diesel oil can be used for ignition, switching is convenient, operation is flexible, and the service life of the heating face of a tail flue of the boiler, the service life of a cloth bag dust remover and the service life of a desulfurizing tower are prolonged.
Description
Technical field
The invention belongs to CFBB firing technique field, be specifically related to a kind of CFBB point
Fire device and ignition control method thereof.
Background technology
In the middle of methanol rectification production process, thick alcohol often enters after pre-tower, pressurizing tower carry out rectifying step by step
Pressure tower, in atmospheric tower, through gradually concentrating, the alkanes impurity concentration such as dimethyl ether contained in thick alcohol
Raising, if discharging not in time, then can affect product quality, this part effluent is referred to as fusel, its component
Predominantly methyl alcohol 85-87%, ethanol 1.5-2.0%, alkane 10-13%, moisture 0.8-1%, this moieties
There is higher combustion heat value.Although fusel yield is less, but difficult treatment, it is not good at if processing, can be to ring
Severe contamination is caused in border.At present, mainly take to deliver to, through piping, the side that CFBB carries out burning
Formula processes, although this processing mode has stopped the fusel pollution to environment, but in boiler operatiopn
The mode value that Cheng Dangzhong carries out burning is low, almost without economic benefit.Further, current recirculating fluidized bed
The fuel that ignition of the boiler uses mostly is light diesel fuel, and diesel-fuel price is expensive, and igniting is relatively costly every time, and diesel oil is not
Boiler back end ductwork heating surface, sack cleaner, desulfurizing tower can be caused sternly by the produced oil smoke of burning completely
The pollution of weight.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art to provide a kind of reasonable in design, can make
Carry out lighting a fire with fusel, essence alcohol or diesel oil, there is easy switching, flexible operation, produce into reducing enterprise
Reach the effect of energy-saving and emission-reduction while Ben, boiler back end ductwork heating surface, bag-type dust can be alleviated simultaneously
Device, desulfurizing tower cause serious pollution, and play prolonged boiler back-end ductwork heating surface, sack cleaner,
A kind of ignition device of circulating fluidized bed boiler in desulfurizing tower service life and ignition control method thereof.
The object of the present invention is achieved like this: include fuel system, fuel delivery system, ignition system,
Compressed air system, Control System of Microcomputer,
A, fuel system include fusel fuel unit, essence alcohol ate unit and diesel fuel unit；Described fusel
Fuel unit includes the atmospheric tower being connected with pipeline after thick alcohol rectifying, and the bottom of atmospheric tower is by carrying the first valve
Pipeline be connected with the import of fusel storage tank, the bottom of described fusel storage tank is provided with fusel discharging opening and fusel returns
Material mouth；Essence alcohol ate unit includes essence alcohol storage tank, essence alcohol storage tank by the 3rd stop valve and the 4th threeway the
Three ends are connected, and described diesel fuel unit includes diesel tank, and the oil-out on diesel tank passes sequentially through bavin
3rd end of oil delivery pump inlet valve, diesel oil transfer pump, the second valve and the second threeway is connected, diesel tank
On oil return opening be connected by the 3rd end of the 3rd valve and the 3rd threeway；
Fusel pump inlet valve that b, fuel delivery system include being connected with fusel discharging opening successively, the 4th threeway,
Fusel pump, filter, fusel outlet valve, stokehold inlet valve, the first threeway, the second threeway and the 3rd threeway,
Described 3rd threeway is connected with the first regulation valve in ignition system by pipeline；The 3rd of described first threeway
End is connected with fusel feedback outlet by the 4th valve；
C, ignition system include the first regulation valve, described first regulation valve and the fuel inlet of ignition of the boiler oil gun
Being connected, described ignition of the boiler oil gun crater is arranged on the inside of ignition air duct front end, the end of ignition air duct
Being connected with air compartment of CFBB, air compartment of CFBB passes through air distribution plate and circulation
Fluid bed boiler furnace and back-end ductwork are connected；Ignition system is the most a set of；
D, compressed air system include that igniting compressed air line, described igniting compressed air line pass through
First stop valve and the 5th threeway are connected, and the second end of the 5th threeway passes through the second stop valve and ignition air duct phase
Even, the 3rd end of the 5th threeway is by the 6th threeway and the second regulation valve and the compressed gas of ignition of the boiler oil gun
Import is connected, and the 3rd end of described 6th threeway is by the fuel inlet of the 3rd regulation valve with ignition of the boiler oil gun
It is connected；
E, Control System of Microcomputer include being arranged on the flame monitoring apparatus within ignition air duct, are arranged on recycle stream
The temperature-detecting device of fluidized bed boiler First air chamber interior and DCS main control card, flame monitoring apparatus and temperature inspection
Survey device input with DCS main control card respectively to be connected, the output of DCS main control card regulate with first respectively valve,
3rd regulation valve, the second regulation valve and the second stop valve are connected.
Preferably, described ignition system is at least two sets.
The ignition control method of a kind of ignition device of circulating fluidized bed boiler, including fusel fuel IGNITION CONTROL side
Method, essence alcohol ate ignition control method and diesel ignition control method；
One, when methanol fractionation system is properly functioning, and produced fusel disclosure satisfy that igniting needs, then needing should
With by-product fusel as igniter fuel, use fusel fuel ignition control method, comprise the steps:
Step one: close the 3rd stop valve, the second valve, the 3rd valve and the first regulation valve, open fusel
Pump inlet valve, fusel outlet valve, the 4th valve and stokehold inlet valve, and start fusel pump, set up fuel defeated
Send the circulatory system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve, the 3rd regulation
Valve, the second stop valve, the second regulation valve；Ignition system is purged；
Step 3: after ignition system being purged in described step 2, close the 3rd regulation valve, second section
Only valve；And regulate the aperture of the second regulation valve, make the compressed air through the second regulation downstream pressure be: 0.6～
0.7MPa；
Step 4: described step 3 makes compressed air through second regulation downstream pressure be: after 0.6～0.7MPa,
Regulate the aperture of the 4th valve, make the 3rd threeway and first regulation valve between pipeline pressure be: 1.5MPa；
Regulate the aperture of the first regulation valve after regulating the aperture of the 4th valve, make the first regulation valve and ignition of the boiler oil gun
Fuel inlet between pipeline pressure be: 0.3MPa；
Step 5: open ignition of the boiler oil gun, lights a fire to the fusel fuel after atomization with electric spark, with
Time flame monitoring apparatus igniting is monitored in real time, after igniting completes in flame monitoring apparatus display, fire
Flame monitoring device transfers data to DCS main control card, and DCS main control card enters blowout protection Interlock Status, now
Igniting completes；
Step 6: igniting is monitored, when DCS main control card by described step 5 Flame monitoring device in real time
Receiving after coming from the misfire signals of flame monitoring apparatus, DCS main control card controls the first regulation valve and closes, by the
The aperture regulation of two regulation valves and the second stop valve is to maximum, to the fuel channel being connected with ignition of the boiler oil gun
Flame-out purging is carried out, detonation generation explosion danger after preventing fuel from assembling with ignition air duct；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after having lighted a fire, arranges target temperature and target temperature according to environment temperature to DCS main control card
Rising speed, main control card receives the temperature of the temperature-detecting device coming from CFBB First air chamber interior
Degree signal, and calculate the temperature rise rate of reality, then target temperature rise rate is carried out with actual temperature rise rate
Contrast, when actual temperature rise rate is more than target temperature rise rate, reduces the aperture of the first regulation valve, to target
Till temperature rise rate is identical with actual temperature rise rate；When actual temperature rise rate is less than target temperature rise rate, increase
Big first regulation valve aperture, to target temperature rise rate identical with actual temperature rise rate；
Step 9: after CFBB has been lighted a fire, closedown fusel pump, closedown the first regulation valve,
Fusel outlet valve, stokehold inlet valve, fusel pump inlet valve；Fuel delivery system is out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus to light a fire into
Row in real time monitoring, after DCS main control card receives and comes from the misfire signals of flame monitoring apparatus, DCS main control card
Control the 3rd regulation valve and the second stop valve aperture is adjusted to maximum, carry out igniting and complete purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, closes the first stop valve, the 3rd tune
Joint valve, the second stop valve compressed air system exit, and ignition system has exited；
Two, when methanol fractionation system is properly functioning, and produced fusel can not meet igniting needs, then need
Application by-product essence alcohol, as igniter fuel, uses essence alcohol ate ignition control method, comprises the steps:
Step one: fusel pump inlet valve, the second valve, the 3rd valve and the first regulation valve will be closed；Open
Fusel outlet valve, the 3rd stop valve, the 4th valve and stokehold inlet valve, and start fusel pump, set up fuel
The conveying circulatory system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve, the 3rd regulation
Valve, the second stop valve, the second regulation valve；Ignition system is purged；
Step 3: after ignition system being purged in described step 2, close the 3rd regulation valve, second section
Only valve；And regulate the aperture of the second regulation valve, make the compressed air through the second regulation downstream pressure be: 0.6～
0.7MPa；
Step 4: described step 3 makes compressed air through second regulation downstream pressure be: after 0.6～0.7MPa,
Regulate the aperture of the 4th valve, make the 3rd threeway and first regulation valve between pipeline pressure be: 1.5MPa；
Regulate the aperture of the first regulation valve after regulating the aperture of the 4th valve, make the first regulation valve and ignition of the boiler oil gun
Fuel inlet between pipeline pressure be: 0.3MPa；
Step 5: open ignition of the boiler oil gun, lights a fire to the smart alcohol ate after atomization with electric spark, with
Time flame monitoring apparatus igniting is monitored in real time, after igniting completes in flame monitoring apparatus display, fire
Flame monitoring device transfers data to DCS main control card, and DCS main control card enters blowout protection Interlock Status, now
Igniting completes；
Step 6: igniting is monitored, when DCS main control card by described step 5 Flame monitoring device in real time
Receiving after coming from the misfire signals of flame monitoring apparatus, DCS main control card controls the first regulation valve and closes, by the
The aperture regulation of two regulation valves and the second stop valve is to maximum, to the fuel channel being connected with ignition of the boiler oil gun
Flame-out purging is carried out, detonation generation explosion danger after preventing fuel from assembling with ignition air duct；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after having lighted a fire, arranges target temperature and target temperature according to environment temperature to DCS main control card
Rising speed, main control card receives the temperature of the temperature-detecting device coming from CFBB First air chamber interior
Degree signal, and calculate the temperature rise rate of reality, then target temperature rise rate is carried out with actual temperature rise rate
Contrast, when actual temperature rise rate is more than target temperature rise rate, reduces the aperture of the first regulation valve, to target
Till temperature rise rate is identical with actual temperature rise rate；When actual temperature rise rate is less than target temperature rise rate, increase
Big first regulation valve aperture, to target temperature rise rate identical with actual temperature rise rate；
Step 9: after CFBB has been lighted a fire, closedown fusel pump, closedown the first regulation valve,
Fusel outlet valve, stokehold inlet valve and the 3rd stop valve；Fuel delivery system is out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus to light a fire into
Row in real time monitoring, after DCS main control card receives and comes from the misfire signals of flame monitoring apparatus, DCS main control card
Control the 3rd regulation valve and the second stop valve aperture is adjusted to maximum, carry out igniting and complete purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, closes the first stop valve, the 3rd tune
Joint valve, the second stop valve compressed air system exit, and ignition system has exited；
Three, when methanol fractionation system off-duty, then need to apply diesel oil as igniter fuel, use diesel oil point
Fire control method, comprises the steps:
Step one: close the 3rd stop valve, fusel pump inlet valve, fusel outlet valve, stokehold inlet valve and the
Four valves, open diesel oil transfer pump inlet valve, the second valve and the 3rd valve, run diesel oil transfer pump, build
Vertical fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve, the 3rd regulation
Valve, the second stop valve, the second regulation valve；Ignition system is purged；
Step 3: after ignition system being purged in described step 2, close the 3rd regulation valve, second section
Only valve；And regulate the aperture of the second regulation valve, make the compressed air through the second regulation downstream pressure be: 0.6～
0.7MPa；
Step 4: described step 3 makes compressed air through second regulation downstream pressure be: after 0.6～0.7MPa,
Regulate the aperture of the 4th valve, make the 3rd threeway and first regulation valve between pipeline pressure be: 1.5MPa；
Regulate the aperture of the first regulation valve after regulating the aperture of the 4th valve, make the first regulation valve and ignition of the boiler oil gun
Fuel inlet between pipeline pressure be: 0.3MPa；
Step 5: open ignition of the boiler oil gun, lights a fire to the diesel fuel after atomization with electric spark, with
Time flame monitoring apparatus igniting is monitored in real time, after igniting completes in flame monitoring apparatus display, fire
Flame monitoring device transfers data to DCS main control card, and DCS main control card enters blowout protection Interlock Status, now
Igniting completes；
Step 6: igniting is monitored, when DCS main control card by described step 5 Flame monitoring device in real time
Receiving after coming from the misfire signals of flame monitoring apparatus, DCS main control card controls the first regulation valve and closes, by the
The aperture regulation of two regulation valves and the second stop valve is to maximum, to the fuel channel being connected with ignition of the boiler oil gun
Flame-out purging is carried out, detonation generation explosion danger after preventing fuel from assembling with ignition air duct；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after having lighted a fire, arranges target temperature and target temperature according to environment temperature to DCS main control card
Rising speed, main control card receives the temperature of the temperature-detecting device coming from CFBB First air chamber interior
Degree signal, and calculate the temperature rise rate of reality, then target temperature rise rate is carried out with actual temperature rise rate
Contrast, when actual temperature rise rate is more than target temperature rise rate, reduces the aperture of the first regulation valve, to target
Till temperature rise rate is identical with actual temperature rise rate；When actual temperature rise rate is less than target temperature rise rate, increase
Big first regulation valve aperture, to target temperature rise rate identical with actual temperature rise rate；
Step 9: after CFBB has been lighted a fire, closes the first regulation valve, the second valve and the
Three valves；Fuel delivery system is out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus to light a fire into
Row in real time monitoring, after DCS main control card receives and comes from the misfire signals of flame monitoring apparatus, DCS main control card
Control the 3rd regulation valve and the second stop valve aperture is adjusted to maximum, carry out igniting and complete purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, closes the first stop valve, the 3rd regulation
Valve, the second stop valve compressed air system exit, and ignition system has exited.
The present invention has reasonable in design, can use fusel, essence alcohol or diesel oil carries out lighting a fire, the side of switching
Just, flexible operation, while reducing enterprise production cost, reach the effect of energy-saving and emission-reduction, can subtract simultaneously
Light boiler back end ductwork heating surface, sack cleaner, desulfurizing tower cause serious pollution, and play prolongation pot
Stove back-end ductwork heating surface, sack cleaner, the advantage in desulfurizing tower service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the top view of reactor of the present invention.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, now comparison accompanying drawing explanation
The detailed description of the invention of the present invention, the most identical label represents identical parts.For making simplified form,
Only schematically show in each figure and invent relevant part, they do not represent its reality as product
Border structure.
As shown in Figure 1, 2, the present invention includes fuel system, fuel delivery system, ignition system, compression sky
Gas system, Control System of Microcomputer,
A, fuel system include fusel fuel unit, essence alcohol ate unit and diesel fuel unit；Described fusel
Fuel unit includes the atmospheric tower 1 being connected with pipeline after thick alcohol rectifying, and the bottom of atmospheric tower 1 is by carrying the first valve
The door pipeline of 3 is connected with the import of fusel storage tank 2, and the bottom of described fusel storage tank 2 is provided with fusel discharging opening
With fusel feedback outlet；Essence alcohol ate unit includes essence alcohol storage tank 22, and essence alcohol storage tank 22 is by the 3rd stop valve
21 are connected with the 3rd end of the 4th threeway 20, and described diesel fuel unit includes diesel tank 14, and diesel oil stores up
Oil-out on groove 14 passes sequentially through diesel oil transfer pump inlet valve 35, diesel oil transfer pump the 36, second valve 18
Being connected with the 3rd end of the second threeway 11, the oil return opening on diesel tank 14 passes through the 3rd valve 19 and the 3rd
3rd end of threeway 12 is connected；
B, fuel delivery system include fusel pump inlet valve the 4, the 4th threeway being connected successively with fusel discharging opening
20, fusel pump 5, filter 6, fusel outlet valve 7, stokehold inlet valve the 8, first threeway the 10, the 2nd 3
Logical 11 and the 3rd threeway 12, described 3rd threeway 12 is by pipeline and the first regulation valve 23 in ignition system
It is connected；3rd end of described first threeway 10 is connected with fusel feedback outlet by the 4th valve 17；
C, ignition system include the first regulation valve 23, described first regulation valve 23 and ignition of the boiler oil gun 26
Fuel inlet is connected, and described ignition of the boiler oil gun 26 crater is arranged on the inside of ignition air duct 28 front end,
Air compartment 29 of the end of ignition air duct 28 and CFBB is connected, and CFBB is once
Air compartment 29 is connected with boiler hearth of circulating fluidized bed and back-end ductwork 9 by air distribution plate 13；Ignition system
The most a set of；
D, compressed air system include igniting compressed air line 25, described igniting compressed air line
25 are connected with the 5th threeway 31 by the first stop valve 30, and the second end of the 5th threeway 31 is by the second cut-off
Valve 27 is connected with ignition air duct 28, and the 3rd end of the 5th threeway 31 is by the 6th threeway 33 and the second regulation
Valve 32 is connected with the inlet for pressurised gas of ignition of the boiler oil gun 26, and the 3rd end of described 6th threeway 33 passes through
3rd regulation valve 34 is connected with the fuel inlet of ignition of the boiler oil gun 26；
E, Control System of Microcomputer include being arranged on the flame monitoring apparatus 24 within ignition air duct 28, are arranged on
Temperature-detecting device 16 and DCS main control card 15 within air compartment 29 of CFBB, flame is supervised
Survey device 24 with temperature-detecting device 16 respectively input with DCS main control card 15 be connected, DCS main control card
The output of 15 regulates valve 32 and the second cut-off with the first regulation valve the 23, the 3rd regulation valve 34, second respectively
Valve 27 is connected.Described ignition system is at least two sets.
The ignition control method of a kind of ignition device of circulating fluidized bed boiler, including fusel fuel IGNITION CONTROL side
Method, essence alcohol ate ignition control method and diesel ignition control method；
One, when methanol fractionation system is properly functioning, and produced fusel disclosure satisfy that igniting needs, then needing should
With by-product fusel as igniter fuel, use fusel fuel ignition control method, comprise the steps:
Step one: close the 3rd stop valve the 21, second valve the 18, the 3rd valve 19 and the first regulation valve 23,
Open fusel pump inlet valve 4, fusel outlet valve the 7, the 4th valve 17 and stokehold inlet valve 8, and start fusel
Pump 5, sets up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27, second regulates valve 32；Ignition system is purged；
Step 3: after in described step 2 purging ignition system, closes the 3rd regulation valve 34, second
Stop valve 27；And regulate the aperture of the second regulation valve 32, make compressed air pressure after the second regulation valve 32
For: 0.6～0.7MPa；
Step 4: described step 3 makes compressed air through second regulation valve 32 after pressure be: 0.6～0.7MPa
After, the aperture of regulation the 4th valve 17, make the pipeline pressure between the 3rd threeway 12 and the first regulation valve 23
For: 1.5MPa；Regulate the aperture of the first regulation valve 23 after regulating the aperture of the 4th valve 17, make the first tune
Pipeline pressure between joint valve 23 and the fuel inlet of ignition of the boiler oil gun 26 is: 0.3MPa；
Step 5: open ignition of the boiler oil gun 26, lights a fire to the fusel fuel after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus 24 in real time simultaneously, when flame monitoring apparatus 24 shows that igniting completes
Afterwards, flame monitoring apparatus 24 transfers data to DCS main control card 15, and DCS main control card 15 enters flame-out
Protection Interlock Status, has now lighted a fire；
Step 6: igniting is monitored, when DCS master control by described step 5 Flame monitoring device 24 in real time
After card 15 receives the misfire signals coming from flame monitoring apparatus 24, DCS main control card 15 controls the first regulation
Valve 23 cuts out, by the aperture regulation of the second regulation valve 32 and the second stop valve 27 to maximum, to boiler point
Fuel channel and ignition air duct 28 that kerosene rifle 26 is connected carry out flame-out purging, quick-fried after preventing fuel from assembling
There is explosion danger in combustion；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after having lighted a fire, arranges target temperature and target according to environment temperature to DCS main control card 15
Temperature rise rate, main control card 15 receives and comes from the temperature detection within air compartment 29 of CFBB
The temperature signal of device 16, and calculate the temperature rise rate of reality, then by target temperature rise rate and reality temperature
Rise speed to contrast, when actual temperature rise rate is more than target temperature rise rate, reduce the first regulation valve 23
Aperture, to target temperature rise rate identical with actual temperature rise rate；When actual temperature rise rate is less than target temperature
When rising speed, increase the aperture of the first regulation valve 23, be all mutually with actual temperature rise rate to target temperature rise rate
Only；
Step 9: after CFBB has been lighted a fire, closes fusel pump 6, closes the first regulation valve
23, fusel outlet valve 7, stokehold inlet valve 8, fusel pump inlet valve 4；Fuel delivery system is out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus 24 is to igniting
Monitor in real time, after DCS main control card 15 receives and comes from the misfire signals of flame monitoring apparatus 24,
DCS main control card 15 controls the 3rd regulation valve 34 and the second stop valve 27 aperture is adjusted to maximum, carries out having lighted a fire
Become purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, closes the first stop valve the 30, the 3rd
Regulation valve the 34, second stop valve 27 compressed air system exits, and ignition system has exited；
Two, when methanol fractionation system is properly functioning, and produced fusel can not meet igniting needs, then need
Application by-product essence alcohol, as igniter fuel, uses essence alcohol ate ignition control method, comprises the steps:
Step one: fusel pump inlet valve the 4, second valve the 18, the 3rd valve 19 and the first regulation valve will be closed
23；Open fusel outlet valve the 7, the 3rd stop valve the 21, the 4th valve 17 and stokehold inlet valve 8, and start
Fusel pump 5, sets up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27, second regulates valve 32；Ignition system is purged；
Step 3: after in described step 2 purging ignition system, closes the 3rd regulation valve 34, second
Stop valve 27；And regulate the aperture of the second regulation valve 32, make compressed air pressure after the second regulation valve 32
For: 0.6～0.7MPa；
Step 4: described step 3 makes compressed air through second regulation valve 32 after pressure be: 0.6～0.7MPa
After, the aperture of regulation the 4th valve 17, make the pipeline pressure between the 3rd threeway 12 and the first regulation valve 23
For: 1.5MPa；Regulate the aperture of the first regulation valve 23 after regulating the aperture of the 4th valve 17, make the first tune
Pipeline pressure between joint valve 23 and the fuel inlet of ignition of the boiler oil gun 26 is: 0.3MPa；
Step 5: open ignition of the boiler oil gun 26, lights a fire to the smart alcohol ate after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus 24 in real time simultaneously, when flame monitoring apparatus 24 shows that igniting completes
Afterwards, flame monitoring apparatus 24 transfers data to DCS main control card 15, and DCS main control card 15 enters flame-out
Protection Interlock Status, has now lighted a fire；
Step 6: igniting is monitored, when DCS master control by described step 5 Flame monitoring device 24 in real time
After card 15 receives the misfire signals coming from flame monitoring apparatus 24, DCS main control card 15 controls the first regulation
Valve 23 cuts out, by the aperture regulation of the second regulation valve 32 and the second stop valve 27 to maximum, to boiler point
Fuel channel and ignition air duct 28 that kerosene rifle 26 is connected carry out flame-out purging, quick-fried after preventing fuel from assembling
There is explosion danger in combustion；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after having lighted a fire, arranges target temperature and target according to environment temperature to DCS main control card 15
Temperature rise rate, main control card 15 receives and comes from the temperature detection within air compartment 29 of CFBB
The temperature signal of device 16, and calculate the temperature rise rate of reality, then by target temperature rise rate and reality temperature
Rise speed to contrast, when actual temperature rise rate is more than target temperature rise rate, reduce the first regulation valve 23
Aperture, to target temperature rise rate identical with actual temperature rise rate；When actual temperature rise rate is less than target temperature
When rising speed, increase the aperture of the first regulation valve 23, be all mutually with actual temperature rise rate to target temperature rise rate
Only:
Step 9: after CFBB has been lighted a fire, closes fusel pump 6, closes the first regulation valve
23, fusel outlet valve 7, stokehold inlet valve 8 and the 3rd stop valve 21；Fuel delivery system is out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus 24 is to igniting
Monitor in real time, after DCS main control card 15 receives and comes from the misfire signals of flame monitoring apparatus 24,
DCS main control card 15 controls the 3rd regulation valve 34 and the second stop valve 27 aperture is adjusted to maximum, carries out having lighted a fire
Become purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, closes the first stop valve the 30, the 3rd
Regulation valve the 34, second stop valve 27 compressed air system exits, and ignition system has exited；
Three, when methanol fractionation system off-duty, then need to apply diesel oil as igniter fuel, use diesel oil point
Fire control method, comprises the steps:
Step one: close the 3rd stop valve 21, fusel pump inlet valve 4, fusel outlet valve 7, stokehold inlet valve
8 and the 4th valve 17, open diesel oil transfer pump inlet valve the 35, second valve 18 and the 3rd valve 19, fortune
Row diesel oil transfer pump 36, sets up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27, second regulates valve 32；Ignition system is purged；
Step 3: after in described step 2 purging ignition system, closes the 3rd regulation valve 34, second
Stop valve 27；And regulate the aperture of the second regulation valve 32, make compressed air pressure after the second regulation valve 32
For: 0.6～0.7MPa；
Step 4: described step 3 makes compressed air through second regulation valve 32 after pressure be: 0.6～0.7MPa
After, the aperture of regulation the 4th valve 17, make the pipeline pressure between the 3rd threeway 12 and the first regulation valve 23
For: 1.5MPa；Regulate the aperture of the first regulation valve 23 after regulating the aperture of the 4th valve 17, make the first tune
Pipeline pressure between joint valve 23 and the fuel inlet of ignition of the boiler oil gun 26 is: 0.3MPa；
Step 5: open ignition of the boiler oil gun 26, lights a fire to the diesel fuel after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus 24 in real time simultaneously, when flame monitoring apparatus 24 shows that igniting completes
Afterwards, flame monitoring apparatus 24 transfers data to DCS main control card 15, and DCS main control card 15 enters flame-out
Protection Interlock Status, has now lighted a fire；
Step 6: igniting is monitored, when DCS master control by described step 5 Flame monitoring device 24 in real time
After card 15 receives the misfire signals coming from flame monitoring apparatus 24, DCS main control card 15 controls the first regulation
Valve 23 cuts out, by the aperture regulation of the second regulation valve 32 and the second stop valve 27 to maximum, to boiler point
Fuel channel and ignition air duct 28 that kerosene rifle 26 is connected carry out flame-out purging, quick-fried after preventing fuel from assembling
There is explosion danger in combustion；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after having lighted a fire, arranges target temperature and target according to environment temperature to DCS main control card 15
Temperature rise rate, main control card 15 receives and comes from the temperature detection within air compartment 29 of CFBB
The temperature signal of device 16, and calculate the temperature rise rate of reality, then by target temperature rise rate and reality temperature
Rise speed to contrast, when actual temperature rise rate is more than target temperature rise rate, reduce the first regulation valve 23
Aperture, to target temperature rise rate identical with actual temperature rise rate；When actual temperature rise rate is less than target temperature
When rising speed, increase the aperture of the first regulation valve 23, be all mutually with actual temperature rise rate to target temperature rise rate
Only:
Step 9: after CFBB has been lighted a fire, closes first regulation valve the 23, second valve 18
With the 3rd valve 19；Fuel delivery system is out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus 24 is to igniting
Monitor in real time, after DCS main control card 15 receives and comes from the misfire signals of flame monitoring apparatus 24,
DCS main control card 15 controls the 3rd regulation valve 34 and the second stop valve 27 aperture is adjusted to maximum, carries out having lighted a fire
Become purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, closes the first stop valve the 30, the 3rd
Regulation valve the 34, second stop valve 27 compressed air system exits, and ignition system has exited.
For the more detailed explanation present invention, in conjunction with embodiment, the present invention is further elaborated.Concrete real
Under executing such as:
Embodiment one
The ignition control method of a kind of ignition device of circulating fluidized bed boiler, including fusel fuel IGNITION CONTROL side
Method, essence alcohol ate ignition control method and diesel ignition control method；
When methanol fractionation system is properly functioning, and produced fusel disclosure satisfy that igniting needs, then need application pair
Product fusel, as igniter fuel, uses fusel fuel ignition control method, comprises the steps:
Step one: close the 3rd stop valve the 21, second valve the 18, the 3rd valve 19 and the first regulation valve 23,
Open fusel pump inlet valve 4, fusel outlet valve the 7, the 4th valve 17 and stokehold inlet valve 8, and start fusel
Pump 5, sets up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27, second regulates valve 32；Ignition system is purged；
Step 3: after in described step 2 purging ignition system, closes the 3rd regulation valve 34, second
Stop valve 27；And regulate the aperture of the second regulation valve 32, make compressed air pressure after the second regulation valve 32
For: 0.6～0.7MPa；
Step 4: described step 3 makes compressed air through second regulation valve 32 after pressure be: 0.6～0.7MPa
After, the aperture of regulation the 4th valve 17, make the pipeline pressure between the 3rd threeway 12 and the first regulation valve 23
For: 1.5MPa；Regulate the aperture of the first regulation valve 23 after regulating the aperture of the 4th valve 17, make the first tune
Pipeline pressure between joint valve 23 and the fuel inlet of ignition of the boiler oil gun 26 is: 0.3MPa；
Step 5: open ignition of the boiler oil gun 26, lights a fire to the fusel fuel after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus 24 in real time simultaneously, when flame monitoring apparatus 24 shows that igniting completes
Afterwards, flame monitoring apparatus 24 transfers data to DCS main control card 15, and DCS main control card 15 enters flame-out
Protection Interlock Status, has now lighted a fire；
Step 6: after having lighted a fire in described step 5, arranges mesh according to environment temperature to DCS main control card 15
Mark temperature and target temperature rise rate, main control card 15 receives and comes from air compartment 29 of CFBB
The temperature signal of the temperature-detecting device 16 in portion, and calculate the temperature rise rate of reality, then by target temperature rise
Speed contrasts with actual temperature rise rate, when actual temperature rise rate is more than target temperature rise rate, reduces the
One regulation valve 23 aperture, to target temperature rise rate identical with actual temperature rise rate；When actual temperature rise speed
When rate is less than target temperature rise rate, increase the aperture of the first regulation valve 23, to target temperature rise rate and reality temperature
Till liter speed is identical；
Step 7: after CFBB has been lighted a fire, closes fusel pump 6, closes the first regulation valve
23, fusel outlet valve 7, stokehold inlet valve 8, fusel pump inlet valve 4；Fuel delivery system is out of service；
Step 8: after fuel delivery system is out of service in described step 7, flame monitoring apparatus 24 is to igniting
Monitor in real time, after DCS main control card 15 receives and comes from the misfire signals of flame monitoring apparatus 24,
DCS main control card 15 controls the 3rd regulation valve 34 and the second stop valve 27 aperture is adjusted to maximum, carries out having lighted a fire
Become purging；
Step 9: after purging of having lighted a fire in described step 8 terminates, closes the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27 compressed air system exits, and ignition system has exited.
Embodiment two
The ignition control method of a kind of ignition device of circulating fluidized bed boiler, including fusel fuel IGNITION CONTROL side
Method, essence alcohol ate ignition control method and diesel ignition control method；
When methanol fractionation system is properly functioning, and produced fusel disclosure satisfy that igniting needs, then need application pair
Product fusel, as igniter fuel, uses fusel fuel ignition control method, comprises the steps:
Step one: close the 3rd stop valve the 21, second valve the 18, the 3rd valve 19 and the first regulation valve 23,
Open fusel pump inlet valve 4, fusel outlet valve the 7, the 4th valve 17 and stokehold inlet valve 8, and start fusel
Pump 5, sets up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27, second regulates valve 32；Ignition system is purged；
Step 3: after in described step 2 purging ignition system, closes the 3rd regulation valve 34, second
Stop valve 27；And regulate the aperture of the second regulation valve 32, make compressed air pressure after the second regulation valve 32
For: 0.6～0.7MPa；
Step 4: described step 3 makes compressed air through second regulation valve 32 after pressure be: 0.6～0.7MPa
After, the aperture of regulation the 4th valve 17, make the pipeline pressure between the 3rd threeway 12 and the first regulation valve 23
For: 1.5MPa；Regulate the aperture of the first regulation valve 23 after regulating the aperture of the 4th valve 17, make the first tune
Pipeline pressure between joint valve 23 and the fuel inlet of ignition of the boiler oil gun 26 is: 0.3MPa；
Step 5: open ignition of the boiler oil gun 26, lights a fire to the fusel fuel after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus 24 in real time simultaneously, when flame monitoring apparatus 24 shows that igniting completes
Afterwards, flame monitoring apparatus 24 transfers data to DCS main control card 15, and DCS main control card 15 enters flame-out
Protection Interlock Status, has now lighted a fire；
Step 6: igniting is monitored, when DCS master control by described step 5 Flame monitoring device 24 in real time
After card 15 receives the misfire signals coming from flame monitoring apparatus 24, DCS main control card 15 controls the first regulation
Valve 23 cuts out, by the aperture regulation of the second regulation valve 32 and the second stop valve 27 to maximum, to boiler point
Fuel channel and ignition air duct 28 that kerosene rifle 26 is connected carry out flame-out purging, quick-fried after preventing fuel from assembling
There is explosion danger in combustion；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after re-starting igniting in described step 7, sets DCS main control card 15 according to environment temperature
Putting target temperature and target temperature rise rate, main control card 15 receives and comes from air compartment 29 of CFBB
The temperature signal of internal temperature-detecting device 16, and calculate the temperature rise rate of reality, then by target temperature
Rise speed to contrast with actual temperature rise rate, when actual temperature rise rate is more than target temperature rise rate, reduce
First regulation valve 23 aperture, to target temperature rise rate identical with actual temperature rise rate；When actual temperature rise
When speed is less than target temperature rise rate, increase the aperture of the first regulation valve 23, to target temperature rise rate with actual
Till temperature rise rate is identical；
Step 9: after CFBB has been lighted a fire, closes fusel pump 6, closes the first regulation valve
23, fusel outlet valve 7, stokehold inlet valve 8, fusel pump inlet valve 4；Fuel delivery system is out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus 24 is to igniting
Monitor in real time, after DCS main control card 15 receives and comes from the misfire signals of flame monitoring apparatus 24,
DCS main control card 15 controls the 3rd regulation valve 34 and the second stop valve 27 aperture is adjusted to maximum, carries out having lighted a fire
Become purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, closes the first stop valve the 30, the 3rd
Regulation valve the 34, second stop valve 27 compressed air system exits, and ignition system has exited.
Embodiment three
The ignition control method of a kind of ignition device of circulating fluidized bed boiler, including fusel fuel IGNITION CONTROL side
Method, essence alcohol ate ignition control method and diesel ignition control method；
When methanol fractionation system is properly functioning, and produced fusel can not meet igniting needs, then need application
By-product essence alcohol, as igniter fuel, uses essence alcohol ate ignition control method, comprises the steps:
Step one: fusel pump inlet valve the 4, second valve the 18, the 3rd valve 19 and the first regulation valve will be closed
23；Open fusel outlet valve the 7, the 3rd stop valve the 21, the 4th valve 17 and stokehold inlet valve 8, and start
Fusel pump 5, sets up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27, second regulates valve 32；Ignition system is purged；
Step 3: after in described step 2 purging ignition system, closes the 3rd regulation valve 34, second
Stop valve 27；And regulate the aperture of the second regulation valve 32, make compressed air pressure after the second regulation valve 32
For: 0.6～0.7MPa；
Step 4: described step 3 makes compressed air through second regulation valve 32 after pressure be: 0.6～0.7MPa
After, the aperture of regulation the 4th valve 17, make the pipeline pressure between the 3rd threeway 12 and the first regulation valve 23
For: 1.5MPa；Regulate the aperture of the first regulation valve 23 after regulating the aperture of the 4th valve 17, make the first tune
Pipeline pressure between joint valve 23 and the fuel inlet of ignition of the boiler oil gun 26 is: 0.3MPa；
Step 5: open ignition of the boiler oil gun 26, lights a fire to the smart alcohol ate after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus 24 in real time simultaneously, when flame monitoring apparatus 24 shows that igniting completes
Afterwards, flame monitoring apparatus 24 transfers data to DCS main control card 15, and DCS main control card 15 enters flame-out
Protection Interlock Status, has now lighted a fire；
Step 6: after having lighted a fire in described step 5, arranges mesh according to environment temperature to DCS main control card 15
Mark temperature and target temperature rise rate, main control card 15 receives and comes from air compartment 29 of CFBB
The temperature signal of the temperature-detecting device 16 in portion, and calculate the temperature rise rate of reality, then by target temperature rise
Speed contrasts with actual temperature rise rate, when actual temperature rise rate is more than target temperature rise rate, reduces the
One regulation valve 23 aperture, to target temperature rise rate identical with actual temperature rise rate；When actual temperature rise speed
When rate is less than target temperature rise rate, increase the aperture of the first regulation valve 23, to target temperature rise rate and reality temperature
Till liter speed is identical；
Step 7: after CFBB has been lighted a fire, closes fusel pump 6, closes the first regulation valve
23, fusel outlet valve 7, stokehold inlet valve 8 and the 3rd stop valve 21；Fuel delivery system is out of service；
Step 8: after fuel delivery system is out of service in described step 7, flame monitoring apparatus 24 is to igniting
Monitor in real time, after DCS main control card 15 receives and comes from the misfire signals of flame monitoring apparatus 24,
DCS main control card 15 controls the 3rd regulation valve 34 and the second stop valve 27 aperture is adjusted to maximum, carries out having lighted a fire
Become purging；
Step 9: after purging of having lighted a fire in described step 8 terminates, closes the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27 compressed air system exits, and ignition system has exited.
Embodiment four
The ignition control method of a kind of ignition device of circulating fluidized bed boiler, including fusel fuel IGNITION CONTROL side
Method, essence alcohol ate ignition control method and diesel ignition control method；
When methanol fractionation system is properly functioning, and produced fusel can not meet igniting needs, then need application
By-product essence alcohol, as igniter fuel, uses essence alcohol ate ignition control method, comprises the steps:
Step one: fusel pump inlet valve the 4, second valve the 18, the 3rd valve 19 and the first regulation valve will be closed
23；Open fusel outlet valve the 7, the 3rd stop valve the 21, the 4th valve 17 and stokehold inlet valve 8, and start
Fusel pump 5, sets up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27, second regulates valve 32；Ignition system is purged；
Step 3: after in described step 2 purging ignition system, closes the 3rd regulation valve 34, second
Stop valve 27；And regulate the aperture of the second regulation valve 32, make compressed air pressure after the second regulation valve 32
For: 0.6～0.7MPa；
Step 4: described step 3 makes compressed air through second regulation valve 32 after pressure be: 0.6～0.7MPa
After, the aperture of regulation the 4th valve 17, make the pipeline pressure between the 3rd threeway 12 and the first regulation valve 23
For: 1.5MPa；Regulate the aperture of the first regulation valve 23 after regulating the aperture of the 4th valve 17, make the first tune
Pipeline pressure between joint valve 23 and the fuel inlet of ignition of the boiler oil gun 26 is: 0.3MPa；
Step 5: open ignition of the boiler oil gun 26, lights a fire to the smart alcohol ate after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus 24 in real time simultaneously, when flame monitoring apparatus 24 shows that igniting completes
Afterwards, flame monitoring apparatus 24 transfers data to DCS main control card 15, and DCS main control card 15 enters flame-out
Protection Interlock Status, has now lighted a fire；
Step 6: igniting is monitored, when DCS master control by described step 5 Flame monitoring device 24 in real time
After card 15 receives the misfire signals coming from flame monitoring apparatus 24, DCS main control card 15 controls the first regulation
Valve 23 cuts out, by the aperture regulation of the second regulation valve 32 and the second stop valve 27 to maximum, to boiler point
Fuel channel and ignition air duct 28 that kerosene rifle 26 is connected carry out flame-out purging, quick-fried after preventing fuel from assembling
There is explosion danger in combustion；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after re-starting igniting in described step 7, sets DCS main control card 15 according to environment temperature
Putting target temperature and target temperature rise rate, main control card 15 receives and comes from air compartment 29 of CFBB
The temperature signal of internal temperature-detecting device 16, and calculate the temperature rise rate of reality, then by target temperature
Rise speed to contrast with actual temperature rise rate, when actual temperature rise rate is more than target temperature rise rate, reduce
First regulation valve 23 aperture, to target temperature rise rate identical with actual temperature rise rate；When actual temperature rise
When speed is less than target temperature rise rate, increase the aperture of the first regulation valve 23, to target temperature rise rate with actual
Till temperature rise rate is identical；
Step 9: after CFBB has been lighted a fire, closes fusel pump 6, closes the first regulation valve
23, fusel outlet valve 7, stokehold inlet valve 8 and the 3rd stop valve 21；Fuel delivery system is out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus 24 is to igniting
Monitor in real time, after DCS main control card 15 receives and comes from the misfire signals of flame monitoring apparatus 24,
DCS main control card 15 controls the 3rd regulation valve 34 and the second stop valve 27 aperture is adjusted to maximum, carries out having lighted a fire
Become purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, closes the first stop valve the 30, the 3rd
Regulation valve the 34, second stop valve 27 compressed air system exits, and ignition system has exited.
Embodiment five
The ignition control method of a kind of ignition device of circulating fluidized bed boiler, including fusel fuel IGNITION CONTROL side
Method, essence alcohol ate ignition control method and diesel ignition control method；
When methanol fractionation system off-duty, then need to apply diesel oil as igniter fuel, use diesel ignition control
Method processed, comprises the steps:
Step one: close the 3rd stop valve 21, fusel pump inlet valve 4, fusel outlet valve 7, stokehold inlet valve
8 and the 4th valve 17, open diesel oil transfer pump inlet valve the 35, second valve 18 and the 3rd valve 19, fortune
Row diesel oil transfer pump 36, sets up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27, second regulates valve 32；Ignition system is purged；
Step 3: after in described step 2 purging ignition system, closes the 3rd regulation valve 34, second
Stop valve 27；And regulate the aperture of the second regulation valve 32, make compressed air pressure after the second regulation valve 32
For: 0.6～0.7MPa；
Step 4: described step 3 makes compressed air through second regulation valve 32 after pressure be: 0.6～0.7MPa
After, the aperture of regulation the 4th valve 17, make the pipeline pressure between the 3rd threeway 12 and the first regulation valve 23
For: 1.5MPa；Regulate the aperture of the first regulation valve 23 after regulating the aperture of the 4th valve 17, make the first tune
Pipeline pressure between joint valve 23 and the fuel inlet of ignition of the boiler oil gun 26 is: 0.3MPa；
Step 5: open ignition of the boiler oil gun 26, lights a fire to the diesel fuel after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus 24 in real time simultaneously, when flame monitoring apparatus 24 shows that igniting completes
Afterwards, flame monitoring apparatus 24 transfers data to DCS main control card 15, and DCS main control card 15 enters flame-out
Protection Interlock Status, has now lighted a fire；
Step 6: after having lighted a fire in described step 5, arranges mesh according to environment temperature to DCS main control card 15
Mark temperature and target temperature rise rate, main control card 15 receives and comes from air compartment 29 of CFBB
The temperature signal of the temperature-detecting device 16 in portion, and calculate the temperature rise rate of reality, then by target temperature rise
Speed contrasts with actual temperature rise rate, when actual temperature rise rate is more than target temperature rise rate, reduces the
One regulation valve 23 aperture, to target temperature rise rate identical with actual temperature rise rate；When actual temperature rise speed
When rate is less than target temperature rise rate, increase the aperture of the first regulation valve 23, to target temperature rise rate and reality temperature
Till liter speed is identical；
Step 7: after CFBB has been lighted a fire, closes first regulation valve the 23, second valve 18
With the 3rd valve 19；Fuel delivery system is out of service；
Step 8: after fuel delivery system is out of service in described step 7, flame monitoring apparatus 24 is to igniting
Monitor in real time, after DCS main control card 15 receives and comes from the misfire signals of flame monitoring apparatus 24,
DCS main control card 15 controls the 3rd regulation valve 34 and the second stop valve 27 aperture is adjusted to maximum, carries out having lighted a fire
Become purging；
Step 9: after purging of having lighted a fire in described step 8 terminates, closes the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27 compressed air system exits, and ignition system has exited.
Embodiment six
The ignition control method of a kind of ignition device of circulating fluidized bed boiler, including fusel fuel IGNITION CONTROL side
Method, essence alcohol ate ignition control method and diesel ignition control method；
When methanol fractionation system off-duty, then need to apply diesel oil as igniter fuel, use diesel ignition control
Method processed, comprises the steps:
Step one: close the 3rd stop valve 21, fusel pump inlet valve 4, fusel outlet valve 7, stokehold inlet valve
8 and the 4th valve 17, open diesel oil transfer pump inlet valve the 35, second valve 18 and the 3rd valve 19, fortune
Row diesel oil transfer pump 36, sets up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, opens the first stop valve the 30, the 3rd tune
Joint valve the 34, second stop valve 27, second regulates valve 32；Ignition system is purged；
Step 3: after in described step 2 purging ignition system, closes the 3rd regulation valve 34, second
Stop valve 27；And regulate the aperture of the second regulation valve 32, make compressed air pressure after the second regulation valve 32
For: 0.6～0.7MPa；
Step 4: described step 3 makes compressed air through second regulation valve 32 after pressure be: 0.6～0.7MPa
After, the aperture of regulation the 4th valve 17, make the pipeline pressure between the 3rd threeway 12 and the first regulation valve 23
For: 1.5MPa；Regulate the aperture of the first regulation valve 23 after regulating the aperture of the 4th valve 17, make the first tune
Pipeline pressure between joint valve 23 and the fuel inlet of ignition of the boiler oil gun 26 is: 0.3MPa；
Step 5: open ignition of the boiler oil gun 26, lights a fire to the diesel fuel after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus 24 in real time simultaneously, when flame monitoring apparatus 24 shows that igniting completes
Afterwards, flame monitoring apparatus 24 transfers data to DCS main control card 15, and DCS main control card 15 enters flame-out
Protection Interlock Status, has now lighted a fire；
Step 6: igniting is monitored, when DCS master control by described step 5 Flame monitoring device 24 in real time
After card 15 receives the misfire signals coming from flame monitoring apparatus 24, DCS main control card 15 controls the first regulation
Valve 23 cuts out, by the aperture regulation of the second regulation valve 32 and the second stop valve 27 to maximum, to boiler point
Fuel channel and ignition air duct 28 that kerosene rifle 26 is connected carry out flame-out purging, quick-fried after preventing fuel from assembling
There is explosion danger in combustion；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after re-starting igniting in described step 7, sets DCS main control card 15 according to environment temperature
Putting target temperature and target temperature rise rate, main control card 15 receives and comes from air compartment 29 of CFBB
The temperature signal of internal temperature-detecting device 16, and calculate the temperature rise rate of reality, then by target temperature
Rise speed to contrast with actual temperature rise rate, when actual temperature rise rate is more than target temperature rise rate, reduce
First regulation valve 23 aperture, to target temperature rise rate identical with actual temperature rise rate；When actual temperature rise
When speed is less than target temperature rise rate, increase the aperture of the first regulation valve 23, to target temperature rise rate with actual
Till temperature rise rate is identical；
Step 9: after CFBB has been lighted a fire, closes first regulation valve the 23, second valve 18
With the 3rd valve 19；Fuel delivery system is out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus 24 is to igniting
Monitor in real time, after DCS main control card 15 receives and comes from the misfire signals of flame monitoring apparatus 24,
DCS main control card 15 controls the 3rd regulation valve 34 and the second stop valve 27 aperture is adjusted to maximum, carries out having lighted a fire
Become purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, closes the first stop valve the 30, the 3rd
Regulation valve the 34, second stop valve 27 compressed air system exits, and ignition system has exited.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " sets
Put ", " installation " etc. should be interpreted broadly, connect for example, it may be fixing, be integrally connected, it is possible to
Being to removably connect；It can also be the connection of two element internals；Can be to be joined directly together, it is also possible to logical
Cross intermediary to be indirectly connected to, for the ordinary skill in the art, can manage as the case may be
Solve above-mentioned term concrete meaning in the present invention.Foregoing detailed description is only for the feasible of the present invention
Illustrating of property embodiment, they also are not used to limit the scope of the invention, all without departing from this
Bright skill spirit made equivalent implementations, change and transformation should be included in protection scope of the present invention it
In.
Claims (3)
1. an ignition device of circulating fluidized bed boiler, including fuel system, fuel delivery system, igniting system
System, compressed air system, Control System of Microcomputer, it is characterised in that:
A, fuel system include fusel fuel unit, essence alcohol ate unit and diesel fuel unit；Described fusel
Fuel unit includes the atmospheric tower (1) being connected with pipeline after thick alcohol rectifying, and the bottom of atmospheric tower (1) is by band
The pipeline of the first valve (3) is connected with the import of fusel storage tank (2), the bottom of described fusel storage tank (2)
It is provided with fusel discharging opening and fusel feedback outlet；Essence alcohol ate unit includes essence alcohol storage tank (22), essence alcohol storage tank (22)
It is connected with the 3rd end of the 4th threeway (20) by the 3rd stop valve (21), described diesel fuel unit bag
Include diesel tank (14), the oil-out on diesel tank (14) pass sequentially through diesel oil transfer pump inlet valve (35),
Diesel oil transfer pump (36), the second valve (18) are connected with the 3rd end of the second threeway (11), diesel tank
(14) oil return opening on is connected with the 3rd end of the 3rd threeway (12) by the 3rd valve (19)；
Fusel pump inlet valve (4) that b, fuel delivery system include being connected with fusel discharging opening successively, the four or three
Logical (20), fusel pump (5), filter (6), fusel outlet valve (7), stokehold inlet valve (8), first
Threeway (10), the second threeway (11) and the 3rd threeway (12), pipeline is passed through in described 3rd threeway (12)
It is connected with the first regulation valve (23) in ignition system；3rd end of described first threeway (10) is by the
Four valves (17) are connected with fusel feedback outlet；
C, ignition system include the first regulation valve (23), described first regulation valve (23) and ignition of the boiler oil
The fuel inlet of rifle (26) is connected, and described ignition of the boiler oil gun (26) crater is arranged on ignition air duct (28)
The inside of front end, air compartment (29) of the end of ignition air duct (28) and CFBB is connected,
Air compartment (29) of CFBB by air distribution plate (13) and boiler hearth of circulating fluidized bed and
Back-end ductwork (9) is connected；Ignition system is the most a set of；
D, compressed air system include igniting compressed air line (25), described igniting compressed air hose
Road (25) is connected with the 5th threeway (31) by the first stop valve (30), the of the 5th threeway (31)
Two ends are connected with ignition air duct (28) by the second stop valve (27), the 3rd end of the 5th threeway (31)
Entered with the compressed gas of ignition of the boiler oil gun (26) by the 6th threeway (33) and the second regulation valve (32)
Mouth is connected, and the 3rd end of described 6th threeway (33) is by the 3rd regulation valve (34) and ignition of the boiler oil gun
(26) fuel inlet is connected；
E, Control System of Microcomputer include being arranged on the internal flame monitoring apparatus (24) of ignition air duct (28),
It is arranged on the internal temperature-detecting device (16) of air compartment (29) of CFBB and DCS master control
Card (15), flame monitoring apparatus (24) and temperature-detecting device (16) respectively with DCS main control card (15)
Input be connected, the output of DCS main control card (15) respectively with first regulation valve (23), the 3rd regulation
Valve (34), the second regulation valve (32) are connected with the second stop valve (27).
A kind of ignition device of circulating fluidized bed boiler, it is characterised in that: described
Ignition system is at least two sets.
The ignition control method of a kind of ignition device of circulating fluidized bed boiler the most as claimed in claim 1, its
Be characterised by: this control method include fusel fuel ignition control method, essence alcohol ate ignition control method and
Diesel ignition control method；
One, when methanol fractionation system is properly functioning, and produced fusel disclosure satisfy that igniting needs, then needing should
With by-product fusel as igniter fuel, use fusel fuel ignition control method, comprise the steps:
Step one: close the 3rd stop valve (21), the second valve (18), the 3rd valve (19) and first
Regulation valve (23), opens fusel pump inlet valve (4), fusel outlet valve (7), the 4th valve (17) and stove
Front inlet valve (8), and start fusel pump (5), set up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, open the first stop valve (30), the 3rd
Regulation valve (34), the second stop valve (27), the second regulation valve (32)；Ignition system is purged；
Step 3: after ignition system being purged in described step 2, close the 3rd regulation valve (34), the
Two stop valves (27)；And regulate the aperture of the second regulation valve (32), make compressed air through the second regulation valve (32)
Rear pressure is: 0.6～0.7MPa；
Step 4: make compressed air pressure after the second regulation valve (32) be in described step 3: 0.6～
After 0.7MPa, the aperture of regulation the 4th valve (17), make the 3rd threeway (12) and the first regulation valve (23)
Between pipeline pressure be: 1.5MPa；The first regulation valve (23) is regulated after regulating the aperture of the 4th valve (17)
Aperture, make the pipeline pressure between the first regulation valve (23) and the fuel inlet of ignition of the boiler oil gun (26)
Power is: 0.3MPa；
Step 5: open ignition of the boiler oil gun (26), lights a fire to the fusel fuel after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus (24) in real time simultaneously, when flame monitoring apparatus (24) shows point
After fire completes, flame monitoring apparatus (24) transfers data to DCS main control card (15), DCS main control card
(15) enter blowout protection Interlock Status, now lighted a fire；
Step 6: igniting is monitored by described step 5 Flame monitoring device (24) in real time, works as DCS
After main control card (15) receives the misfire signals coming from flame monitoring apparatus (24), DCS main control card (15)
Control the first regulation valve (23) to close, by the second regulation valve (32) and aperture of the second stop valve (27)
The fuel channel being connected with ignition of the boiler oil gun (26) and ignition air duct (28), to maximum, are carried out by regulation
Flame-out purging, detonation generation explosion danger after preventing fuel from assembling；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after having lighted a fire, according to environment temperature DCS main control card (15) arranged target temperature with
Target temperature rise rate, main control card (15) receives and comes from air compartment (29) inside of CFBB
The temperature signal of temperature-detecting device (16), and calculate the temperature rise rate of reality, then by target temperature
Rise speed to contrast with actual temperature rise rate, when actual temperature rise rate is more than target temperature rise rate, reduce
First regulation valve (23) aperture, to target temperature rise rate identical with actual temperature rise rate；Work as reality
When temperature rise rate is less than target temperature rise rate, increase the aperture of the first regulation valve (23), to target temperature rise speed
Till rate is identical with actual temperature rise rate；
Step 9: after CFBB has been lighted a fire, closes fusel pump (6), closes the first regulation
Valve (23), fusel outlet valve (7), stokehold inlet valve (8), fusel pump inlet valve (4)；Fuel delivery system
Unite out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus (24) is right
Igniting is monitored in real time, comes from putting out of flame monitoring apparatus (24) when DCS main control card (15) receives
After fire signal, DCS main control card (15) controls the 3rd regulation valve (34) and the second stop valve (27) aperture is adjusted
To maximum, carry out igniting and complete purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, close the first stop valve (30),
Three regulations valve (34), the second stop valve (27) compressed air system exit, and ignition system has exited；
Two, when methanol fractionation system is properly functioning, and produced fusel can not meet igniting needs, then need
Application by-product essence alcohol, as igniter fuel, uses essence alcohol ate ignition control method, comprises the steps:
Step one: fusel pump inlet valve (4), the second valve (18), the 3rd valve (19) and the will be closed
One regulation valve (23)；Open fusel outlet valve (7), the 3rd stop valve (21), the 4th valve (17) and
Stokehold inlet valve (8), and start fusel pump (5), set up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, open the first stop valve (30), the 3rd
Regulation valve (34), the second stop valve (27), the second regulation valve (32)；Ignition system is purged；
Step 3: after ignition system being purged in described step 2, close the 3rd regulation valve (34), the
Two stop valves (27)；And regulate the aperture of the second regulation valve (32), make compressed air through the second regulation valve (32)
Rear pressure is: 0.6～0.7MPa；
Step 4: make compressed air pressure after the second regulation valve (32) be in described step 3: 0.6～
After 0.7MPa, the aperture of regulation the 4th valve (17), make the 3rd threeway (12) and the first regulation valve (23)
Between pipeline pressure be: 1.5MPa；The first regulation valve (23) is regulated after regulating the aperture of the 4th valve (17)
Aperture, make the pipeline pressure between the first regulation valve (23) and the fuel inlet of ignition of the boiler oil gun (26)
Power is: 0.3MPa；
Step 5: open ignition of the boiler oil gun (26), lights a fire to the smart alcohol ate after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus (24) in real time simultaneously, when flame monitoring apparatus (24) shows point
After fire completes, flame monitoring apparatus (24) transfers data to DCS main control card (15), DCS main control card
(15) enter blowout protection Interlock Status, now lighted a fire；
Step 6: igniting is monitored by described step 5 Flame monitoring device (24) in real time, works as DCS
After main control card (15) receives the misfire signals coming from flame monitoring apparatus (24), DCS main control card (15)
Control the first regulation valve (23) to close, by the second regulation valve (32) and aperture of the second stop valve (27)
The fuel channel being connected with ignition of the boiler oil gun (26) and ignition air duct (28), to maximum, are carried out by regulation
Flame-out purging, detonation generation explosion danger after preventing fuel from assembling；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after having lighted a fire, according to environment temperature DCS main control card (15) arranged target temperature with
Target temperature rise rate, main control card (15) receives and comes from air compartment (29) inside of CFBB
The temperature signal of temperature-detecting device (16), and calculate the temperature rise rate of reality, then by target temperature
Rise speed to contrast with actual temperature rise rate, when actual temperature rise rate is more than target temperature rise rate, reduce
First regulation valve (23) aperture, to target temperature rise rate identical with actual temperature rise rate；Work as reality
When temperature rise rate is less than target temperature rise rate, increase the aperture of the first regulation valve (23), to target temperature rise speed
Till rate is identical with actual temperature rise rate；
Step 9: after CFBB has been lighted a fire, closes fusel pump (6), closes the first regulation
Valve (23), fusel outlet valve (7), stokehold inlet valve (8) and the 3rd stop valve (21)；Fuel delivery system
Unite out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus (24) is right
Igniting is monitored in real time, comes from putting out of flame monitoring apparatus (24) when DCS main control card (15) receives
After fire signal, DCS main control card (15) controls the 3rd regulation valve (34) and the second stop valve (27) aperture is adjusted
To maximum, carry out igniting and complete purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, close the first stop valve (30),
Three regulations valve (34), the second stop valve (27) compressed air system exit, and ignition system has exited；
Three, when methanol fractionation system off-duty, then need to apply diesel oil as igniter fuel, use diesel oil point
Fire control method, comprises the steps:
Step one: close the 3rd stop valve (21), fusel pump inlet valve (4), fusel outlet valve (7), stove
Front inlet valve (8) and the 4th valve (17), open diesel oil transfer pump inlet valve (35), the second valve (18)
With the 3rd valve (19), run diesel oil transfer pump (36), set up fuel delivery cycle system；
Step 2: in described step one after fuel delivery cycle system, open the first stop valve (30), the 3rd
Regulation valve (34), the second stop valve (27), the second regulation valve (32)；Ignition system is purged；
Step 3: after ignition system being purged in described step 2, close the 3rd regulation valve (34), the
Two stop valves (27)；And regulate the aperture of the second regulation valve (32), make compressed air through the second regulation valve (32)
Rear pressure is: 0.6～0.7MPa；
Step 4: make compressed air pressure after the second regulation valve (32) be in described step 3: 0.6～
After 0.7MPa, the aperture of regulation the 4th valve (17), make the 3rd threeway (12) and the first regulation valve (23)
Between pipeline pressure be: 1.5MPa；The first regulation valve (23) is regulated after regulating the aperture of the 4th valve (17)
Aperture, make the pipeline pressure between the first regulation valve (23) and the fuel inlet of ignition of the boiler oil gun (26)
Power is: 0.3MPa；
Step 5: open ignition of the boiler oil gun (26), lights a fire to the diesel fuel after atomization with electric spark,
Igniting is monitored by flame monitoring apparatus (24) in real time simultaneously, when flame monitoring apparatus (24) shows point
After fire completes, flame monitoring apparatus (24) transfers data to DCS main control card (15), DCS main control card
(15) enter blowout protection Interlock Status, now lighted a fire；
Step 6: igniting is monitored by described step 5 Flame monitoring device (24) in real time, works as DCS
After main control card (15) receives the misfire signals coming from flame monitoring apparatus (24), DCS main control card (15)
Control the first regulation valve (23) to close, by the second regulation valve (32) and aperture of the second stop valve (27)
The fuel channel being connected with ignition of the boiler oil gun (26) and ignition air duct (28), to maximum, are carried out by regulation
Flame-out purging, detonation generation explosion danger after preventing fuel from assembling；
Step 7: carry out in described step 6 after flame-out purging terminates, exiting blowout protection Interlock Status, weight
Multiple above-mentioned steps one to step 5 re-starts igniting；
Step 8: after having lighted a fire, according to environment temperature DCS main control card (15) arranged target temperature with
Target temperature rise rate, main control card (15) receives and comes from air compartment (29) inside of CFBB
The temperature signal of temperature-detecting device (16), and calculate the temperature rise rate of reality, then by target temperature
Rise speed to contrast with actual temperature rise rate, when actual temperature rise rate is more than target temperature rise rate, reduce
First regulation valve (23) aperture, to target temperature rise rate identical with actual temperature rise rate；Work as reality
When temperature rise rate is less than target temperature rise rate, increase the aperture of the first regulation valve (23), to target temperature rise speed
Till rate is identical with actual temperature rise rate；
Step 9: after CFBB has been lighted a fire, closes the first regulation valve (23), the second valve
And the 3rd valve (19) (18)；Fuel delivery system is out of service；
Step 10: after fuel delivery system is out of service in described step 9, flame monitoring apparatus (24) is right
Igniting is monitored in real time, comes from putting out of flame monitoring apparatus (24) when DCS main control card (15) receives
After fire signal, DCS main control card (15) controls the 3rd regulation valve (34) and the second stop valve (27) aperture is adjusted
To maximum, carry out igniting and complete purging；
Step 11: after purging of having lighted a fire in described step 10 terminates, close the first stop valve (30),
Three regulations valve (34), the second stop valve (27) compressed air system exit, and ignition system has exited.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013935A (en) * | 2017-04-14 | 2017-08-04 | 中国石油化工股份有限公司 | Improve the flame monitoring technical optimization method of combustion furnace security |
| CN108800167A (en) * | 2018-06-19 | 2018-11-13 | 鲁西化工集团股份有限公司 | A kind of compound burner and organic wastewater and combustible powder compounding method |
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| CN1552824A (en) * | 2003-06-03 | 2004-12-08 | 宋志荣 | Liquid fuel and producing method thereof |
| US20140065559A1 (en) * | 2012-09-06 | 2014-03-06 | Alstom Technology Ltd. | Pressurized oxy-combustion power boiler and power plant and method of operating the same |
| CN104696981A (en) * | 2013-12-05 | 2015-06-10 | 李飞 | Methanol heating device |
| CN205640885U (en) * | 2016-05-13 | 2016-10-12 | 河南心连心化肥有限公司 | Ignition device of circulating fluidized bed boiler |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB159880A (en) * | 1920-03-09 | 1922-05-25 | Chemical Fuel Company Of Ameri | Improved process for preparing motor fuels containing alcohol |
| CN1552824A (en) * | 2003-06-03 | 2004-12-08 | 宋志荣 | Liquid fuel and producing method thereof |
| US20140065559A1 (en) * | 2012-09-06 | 2014-03-06 | Alstom Technology Ltd. | Pressurized oxy-combustion power boiler and power plant and method of operating the same |
| CN104696981A (en) * | 2013-12-05 | 2015-06-10 | 李飞 | Methanol heating device |
| CN205640885U (en) * | 2016-05-13 | 2016-10-12 | 河南心连心化肥有限公司 | Ignition device of circulating fluidized bed boiler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107013935A (en) * | 2017-04-14 | 2017-08-04 | 中国石油化工股份有限公司 | Improve the flame monitoring technical optimization method of combustion furnace security |
| CN108800167A (en) * | 2018-06-19 | 2018-11-13 | 鲁西化工集团股份有限公司 | A kind of compound burner and organic wastewater and combustible powder compounding method |
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| Publication number | Publication date |
|---|---|
| CN105889907B (en) | 2018-06-29 |
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