CN110296436A - Computer improves boiler pressuring fire and restarts success rate and starting stationarity method - Google Patents
Computer improves boiler pressuring fire and restarts success rate and starting stationarity method Download PDFInfo
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- CN110296436A CN110296436A CN201910614709.3A CN201910614709A CN110296436A CN 110296436 A CN110296436 A CN 110296436A CN 201910614709 A CN201910614709 A CN 201910614709A CN 110296436 A CN110296436 A CN 110296436A
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- air quantity
- fire
- bed
- boiler
- coal
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- 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
- F23C10/28—Control devices specially adapted for fluidised bed, combustion apparatus
-
- 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
- F23C10/28—Control devices specially adapted for fluidised bed, combustion apparatus
- F23C10/30—Control devices specially adapted for fluidised bed, combustion apparatus for controlling the level of the bed or the amount of material in the bed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
- F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
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- 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)
Abstract
Boiler pressuring fire, which is improved, the present invention relates to a kind of computer restarts success rate and starting stationarity method, the present invention automatically records the air quantity and compartment pressure numerical value when banking fire with computer, the slope for carrying out homologous thread calculates, when greatest gradient being taken to occur, corresponding air quantity is as best air quantity, as the Fluidization wind rate raised when fire starts.Circulating fluidized bed boiler pressure, to raise fire be a kind of important operation, it is higher to the operation level requirement of operator, if between in operation, wind, coal dosage are grasped bad, easily cause accident, therefore pass through Cold simulating test and multiple banking fire, raise the data that fire obtains, is controlled by computer, a possibility that avoiding artificial maloperation improves safety, economy that boiler is operated when raising fire.
Description
Technical field:
Boiler pressuring fire, which is improved, the present invention relates to a kind of computer restarts success rate and starting stationarity method.
Background technique:
Relative to coal-powder boiler, circulating fluidized bed boiler has the function of banking fire stand-by heat, but the Yang Huocao after banking fire
Make, if the fluidisation situation of single consideration bed material, is grasped to the control of primary air flow, coal-supplying amount bad, operation adjustment opportunity
It is not right, it just has heat and takes away too much, bed temperature mentions to come up, and causes the case where raising fire failure；It is existing to raise ignition method, it is only single
One relies on cooling fluiditing test, and the incipient fluidization air quantity obtained is as air quantity when raising fire, and there is no when consideration boiler thermal-state
Air quantity and air quantity when cold conditions compare, temperature is different, and atmospheric density is different, and institute's required airflow is different, even if there is experience
Operator consider supercooled state, hot difference, but air quantity actually required is also by virtue of experience to judge, there is no reliable
Theory, test basis, and everyone experience is not identical, also different to the understanding of equipment working state, operating method,
Opportunity is also different, and it is high in start-up operation failure rate that this results in banking fire, raises during fire that the parameter fluctuations such as bed temperature are big, increases and raises
The risk of oil consumption and the coking of bed of material overtemperature, detonation of fire.
Summary of the invention:
The object of the present invention is to provide a kind of guarantees to raise fiery starting, reduces the accident risk of bed of material coking, has saved and raised
A kind of computer of fire starting oil consumption improves boiler pressuring fire and restarts success rate and starting stationarity method.Technical solution of the present invention
It is:
A kind of computer improves boiler pressuring fire and restarts success rate and starting stationarity method:
1), in boiler cold-state fluidization tests, with primary air flow FltIncrease, compartment pressure PltIt increase accordingly, in wind
Measure FltIncrease in a certain amount of situation, compartment pressure will appear a moment downward trend, i.e., passes through in fixed bed material
When gas flow rate is very low, with the increase of wind speed, bed pressure drop increase in direct ratio, and when wind speed reaches certain value, bed
Lamination drop reaches maximum value, which is slightly larger than bed static pressure, if continuing growing wind speed, bed pressure drop can be down to the quiet of bed
Pressure, this phenomenon are known as " the unlock phenomenon " of circulating fluidized bed boiler, and record unlocks air quantity F when phenomenon at this timeltjsIt is corresponding
Compartment pressure Pltjs；As shown in Figure 1.
2), after starting operation, boiler working condition is switched to hot by cold conditions, encounters the opportunity of banking fire, it may be assumed that fluidized-bed combustion boiler cutting
Fuel stops blower, will be out of service in the boiler short time；On the basis of parameter when occurring unlocking phenomenon, by primary air flow
FrtyhIt is decreased to less than the unlock air quantity F of cold testltjs, it is further continued for increasing primary air flow Frtyh, air compartment P at this timertyhPressure meeting
Appearance first increases, rear to reduce, then the variation tendency increased, that is, the unlock phenomenon point of hot banking fire occurs, as shown in Figure 2；
3) after unlock phenomenon point when, finding hot, hot unlock air quantity F is recordedrtjsAnd hot unlocking pressure Prtjs,
With hot unlock air quantity FrtjsAs air quantity when raising fire, and record blower frequency f at that timertAnd it records in normal table
When operation, the ratio K of coal amount and air quantitymf(ton/when)/(cube m/hour), as coal amount corresponding under certain air quantity, i.e. coal
Measure Nml=F1rt*Kmf, meanwhile, the coal amount N of hot unlock point is calculatedmlrtjs=Frtjs*Kmf；
4), Yang Huoshi, i.e., after the banking fire in completion step 2), bed temperature is lower than before 600 degree, starting blower, investment fuel,
By boiler quick start；The successively automatic starting in order of each blower, increases primary air fan frequency f1 until primary air flow F1rtReach
Hot unlock air quantity FrtjsWhen, stablize primary air fan frequency f1, feeder self-starting increases coal-supplying amount Nml, and make coal-supplying amount Nml
Reach the corresponding coal amount N of hot unlock point corresponding to the air quantitymlrtjs, at this point, bed temperature rises, according to bed temperature TcwRaising speed rate kcw
Variation, to bed temperature TcwRise to 650 degrees Celsius or more, and bed temperature heating rate kcwBe always held at 3 centigrade per minutes with
On, oxygen content O2Do not go up within 3 seconds lower than 4% delay, primary air fan frequency f1 increases automatically at this time, increases process according to bed temperature liter
Rate kcwVariation, if raising speed rate kcwOn a declining curve, primary air fan frequency f1 stops rising, while increaseing accordingly coal-supplying amount
Nml, according to air quantity F1rtCorresponding coal amount NmlAutomatically F1 is increased tort*Kmf, guarantee bed temperature TcwIt is in rising trend, when bed temperature is higher than
At 850 degrees Celsius, air quantity and coal amount should be matched to a temperature rise rate kcwRegion is steadily no more than 1 degree Celsius of floating up and down, this
When raise igneous function.
Working principle of the present invention:
It is tested by boiler cold-state, obtains air quantity when circulating fluidized bed boiler occurs under cold conditions state " unlock phenomenon "；
In boiler thermal-state operating status, the opportunity of banking fire is encountered, when " unlock phenomenon " occurs in circulating fluidized bed boiler when finding out hot
Air quantity；Corresponding to air quantity when hot when circulating fluidized bed boiler appearance " unlock phenomenon ", air quantity, coal-supplying amount, blower
Frequency parameter raises automatic adjustment foundation when fire as boiler, and during raising fire, by computer controlled automatic, tracking contains
Oxygen amount and bed temperature variation rate automatically adjust air quantity, coal-supplying amount, realize and raise fire automatically, and guarantee to raise the success rate and stability of fire.
The technology of the present invention effect:
The present invention automatically records the air quantity and compartment pressure numerical value when banking fire with computer, carries out the slope meter of homologous thread
It calculates, when greatest gradient being taken to occur, corresponding air quantity is as best air quantity, as the Fluidization wind rate raised when fire starts；And with this wind
On the basis of when the ratio of meter calculating coal feeding amount, air quantity and coal amount is to operate normally, automatically engages and calculate after starting blower
Coal amount；Optimal Fluidization wind rate and corresponding coal amount, two means combine the storage for then remaining the banking fire bed of material to the maximum extent
Accumulated heat amount, and the heat entered into new ribbing is replenished in time, guarantee that the bed of material steadily heats up, it is ensured that raise the success of fire.It is ciculation fluidized
During bed boiler raises fire, the cause for taking away heat is known as the heat absorption before air quantity, quantity of circulating water, as-fired coal burn, and circulating ash takes away
Heat etc., the heat that wherein First air is taken away is maximum.Since at this moment bed temperature is lower, one time air temperature is also low, if First air
Amount control is bad, and air quantity is excessive, and amount of heat is taken away, and bed temperature will sharply decline；If coal-supplying amount is inadequate simultaneously, volatile matter
Amount of precipitation is few, and the shortage of heat of releasing is to improve bed temperature, and coal amount is excessive, and the caloric receptivity for entering furnace initial stage is excessive, and oxygen amount is inadequate, bed temperature
Also should not rise, as-fired coal will be inadequate because of temperature, causes to put out a fire, can only throw oil it is combustion-supporting, fuel gas was assembled when serious
The accidents such as detonation, coking can mostly be caused, very negative impact is generated to boiler safety, economical operation.It is directed to this point, we
Best coal amount and air quantity are obtained by experiment, and the probability of success for improving boiler and raising fire is controlled by computer.After the present invention, raise
Fire starting is ensured, the accident risk of bed of material coking is reduced, and has been saved and has been raised fire starting oil consumption.Before the present invention is directed to banking fire
Actual condition, provide optimal Fluidization wind rate and raise fiery starting, guarantee that the success for raising fire starting and bed temperature are smoothly promoted.
Detailed description of the invention:
Fig. 1 cold test flow chart
Unlock phenomenon flow chart is found in the hot banking fire of Fig. 2
Fig. 3 raises fiery flow chart automatically
Specific embodiment:
A kind of computer improves boiler pressuring fire and restarts success rate and starting stationarity method:
1), as shown in Figure 1, in boiler cold-state fluidization tests, with primary air flow FltIncrease, compartment pressure PltPhase
It should increase, in air quantity FltIncrease in a certain amount of situation, compartment pressure will appear a moment downward trend, i.e., in fixation
When the gas flow rate that bed material passes through is very low, with the increase of wind speed, bed pressure drop increase in direct ratio, and when wind speed reaches one
When definite value, bed pressure drop reaches maximum value, which is slightly larger than bed static pressure, if continuing growing wind speed, bed pressure drop can be down to
The static pressure of bed, this phenomenon are known as " the unlock phenomenon " of circulating fluidized bed boiler, and record unlocks air quantity when phenomenon at this time
FltjsCorresponding compartment pressure Pltjs；
2), as shown in Fig. 2, boiler working condition is switched to hot by cold conditions after starting operation, the opportunity of banking fire is encountered, it may be assumed that fluidisation
Bed boiler fuel shutoff, stops blower, will be out of service in the boiler short time；On the basis of parameter when occurring unlocking phenomenon,
By primary air flow FrtyhIt is decreased to less than the unlock air quantity F of cold testltjs, it is further continued for increasing primary air flow Frtyh, air compartment at this time
PrtyhPressure, which will appear, first to be increased, rear to reduce, then the variation tendency increased, that is, the unlock phenomenon point of hot banking fire occurs；
3) after unlock phenomenon point when, finding hot, hot unlock air quantity F is recordedrtjsAnd hot unlocking pressure Prtjs,
With hot unlock air quantity FrtjsAs air quantity when raising fire, and record blower frequency f at that timertAnd it records in normal table
When operation, the ratio K of coal amount and air quantitymf(ton/when)/(cube m/hour), as coal amount corresponding under certain air quantity, i.e. coal
Measure Nml=F1rt*Kmf, meanwhile, the coal amount N of hot unlock point is calculatedmlrtjs=Frtjs*Kmf；
4), as shown in figure 3, Yang Huoshi, i.e., after the banking fire in completion step 2), bed temperature is lower than before 600 degree, starts wind
Machine, investment fuel, by boiler quick start；The successively automatic starting in order of each blower, increases primary air fan frequency f1 until one
Secondary air quantity F1rtReach hot unlock air quantity FrtjsWhen, stablize primary air fan frequency f1, feeder self-starting increases coal-supplying amount Nml,
And make coal-supplying amount NmlReach the corresponding coal amount N of hot unlock point corresponding to the air quantitymlrtjs, at this point, bed temperature rises, according to bed
Warm TcwRaising speed rate kcwVariation, to bed temperature TcwRise to 650 degrees Celsius or more, and bed temperature heating rate kcw3 are always held to take the photograph
More than family name's degree is per minute, oxygen content O2Do not go up within 3 seconds lower than 4% delay, primary air fan frequency f1 increases automatically at this time, increases
Journey is according to bed temperature rise rate kcwVariation, if raising speed rate kcwOn a declining curve, primary air fan frequency f1 stops rising, same to phase
Coal-supplying amount N should be increasedml, according to air quantity F1rtCorresponding coal amount NmlAutomatically F1 is increased tort*Kmf, guarantee bed temperature TcwBecome in rising
Gesture, when bed temperature is higher than 850 degrees Celsius, air quantity and coal amount should be matched to a temperature rise rate kcwRegion is steadily no more than 1 up and down and takes the photograph
Igneous function is raised in the floating of family name's degree at this time.
Air quantity and compartment pressure numerical value when banking fire, the slope for carrying out homologous thread calculates, right when greatest gradient being taken to occur
The air quantity answered is as best air quantity, as the Fluidization wind rate raised when fire starts；And coal feeding amount, amount and coal amount are calculated with this air volume meter
Ratio to operate normally when on the basis of, calculated coal amount is automatically engaged after starting blower；Optimal Fluidization wind rate and right
The coal amount answered.
Point on the basis of the air quantity parameter that the present invention passes through cold test, in hot operation, according to the air quantity of cold test
Parameter, incipient fluidization air quantity when finding out hot, while acquiring coal-supplying amount, air quantity, wind corresponding to hot incipient fluidization air quantity
Unit frequency, the most banking fire are controlled by computer, are become according to the variation of bed temperature, oxygen amount in the accurate and reliable parameter foundation of starting
Gesture, automatically adjust air quantity, coal-supplying amount, these adjusting because there is reliable test parameters, make boiler raise fire operation success rate and
Stability greatly improves.
Claims (1)
1. a kind of computer, which improves boiler pressuring fire, restarts success rate and starting stationarity method, it is characterized in that:
1), in boiler cold-state fluidization tests, with primary air flow FltIncrease, compartment pressure PltIt increase accordingly, in air quantity Flt
Increase in a certain amount of situation, compartment pressure will appear a moment downward trend, i.e., the gas passed through in fixed bed material
When flow velocity is very low, with the increase of wind speed, bed pressure drop increase in direct ratio, and when wind speed reaches certain value, bed pressure
Drop reaches maximum value, which is slightly larger than bed static pressure, if continuing growing wind speed, bed pressure drop can be down to the static pressure of bed, this
Kind phenomenon is known as " the unlock phenomenon " of circulating fluidized bed boiler, and record unlocks air quantity F when phenomenon at this timeltjsCorresponding air compartment
Pressure Pltjs；
2), after starting operation, boiler working condition is switched to hot by cold conditions, encounters the opportunity of banking fire, it may be assumed that fluidized-bed combustion boiler cutting combustion
Material stops blower, will be out of service in the boiler short time；On the basis of parameter when occurring unlocking phenomenon, by primary air flow
FrtyhIt is decreased to less than the unlock air quantity F of cold testltjs, it is further continued for increasing primary air flow Frtyh, air compartment P at this timertyhPressure meeting
Appearance first increases, rear to reduce, then the variation tendency increased, that is, the unlock phenomenon point of hot banking fire occurs；
3) after unlock phenomenon point when, finding hot, hot unlock air quantity F is recordedrtjsAnd hot unlocking pressure Prtjs, with heat
State unlocks air quantity FrtjsAs air quantity when raising fire, and record blower frequency f at that timertAnd it records and is run in normal table
When, the ratio K of coal amount and air quantitymf(ton/when)/(cube m/hour), as coal amount corresponding under certain air quantity, i.e. coal amount Nml
=F1rt*Kmf, meanwhile, the coal amount N of hot unlock point is calculatedmlrtjs=Frtjs*Kmf；
4), Yang Huoshi, i.e., after the banking fire in completion step 2), bed temperature is lower than before 600 degree, starting blower, investment fuel, by pot
Furnace quick start；The successively automatic starting in order of each blower, increases primary air fan frequency f1 until primary air flow F1rtReach hot
Unlock air quantity FrtjsWhen, stablize primary air fan frequency f1, feeder self-starting increases coal-supplying amount Nml, and make coal-supplying amount NmlReach
The corresponding coal amount N of hot unlock point corresponding to the air quantitymlrtjs, at this point, bed temperature rises, according to bed temperature TcwRaising speed rate kcwBecome
Change, to bed temperature TcwRise to 650 degrees Celsius or more, and bed temperature heating rate kcwBe always held at 3 centigrade per minutes with
On, oxygen content O2Do not go up within 3 seconds lower than 4% delay, primary air fan frequency f1 increases automatically at this time, increases process according to bed temperature liter
Rate kcwVariation, if raising speed rate kcwOn a declining curve, primary air fan frequency f1 stops rising, while increaseing accordingly coal-supplying amount
Nml, according to air quantity F1rtCorresponding coal amount NmlAutomatically F1 is increased tort*Kmf, guarantee bed temperature TcwIt is in rising trend, when bed temperature is higher than
At 850 degrees Celsius, air quantity and coal amount should be matched to a temperature rise rate kcwRegion is steadily no more than 1 degree Celsius of floating up and down, this
When raise igneous function.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887038A (en) * | 2019-12-26 | 2020-03-17 | 哈尔滨工业大学中远工控有限公司 | Combustion self-adaptive control system and method for circulating fluidized bed boiler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60233418A (en) * | 1984-05-07 | 1985-11-20 | Nippon Kokan Kk <Nkk> | Refuse incinerator |
| CN1045856A (en) * | 1990-03-30 | 1990-10-03 | 郝瑞骥 | Peaking regulation with no steam by sliding parameter for small thermal generating set |
| CN102168273A (en) * | 2011-03-15 | 2011-08-31 | 昆明醋酸纤维有限公司 | Maintaining and energy-saving method for blowout stand-by boiler |
| CN202719599U (en) * | 2012-08-16 | 2013-02-06 | 济南市琦泉热电有限责任公司 | Slagging anti-blocking device of circulating fluidized bed boiler |
| CN104061571A (en) * | 2014-07-03 | 2014-09-24 | 安徽安纳达钛业股份有限公司 | Banking fire method for circulating fluidized bed coal-fired boiler |
-
2019
- 2019-07-09 CN CN201910614709.3A patent/CN110296436B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60233418A (en) * | 1984-05-07 | 1985-11-20 | Nippon Kokan Kk <Nkk> | Refuse incinerator |
| CN1045856A (en) * | 1990-03-30 | 1990-10-03 | 郝瑞骥 | Peaking regulation with no steam by sliding parameter for small thermal generating set |
| CN102168273A (en) * | 2011-03-15 | 2011-08-31 | 昆明醋酸纤维有限公司 | Maintaining and energy-saving method for blowout stand-by boiler |
| CN202719599U (en) * | 2012-08-16 | 2013-02-06 | 济南市琦泉热电有限责任公司 | Slagging anti-blocking device of circulating fluidized bed boiler |
| CN104061571A (en) * | 2014-07-03 | 2014-09-24 | 安徽安纳达钛业股份有限公司 | Banking fire method for circulating fluidized bed coal-fired boiler |
Non-Patent Citations (2)
| Title |
|---|
| 李寿军: "300 MW 循环流化床锅炉压火及热态启动操作方法探讨", 《内蒙古电力技术》 * |
| 肖湘海: "循环流化床锅炉压火与扬火中的安全问题及措施", 《黑龙江科技信息》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887038A (en) * | 2019-12-26 | 2020-03-17 | 哈尔滨工业大学中远工控有限公司 | Combustion self-adaptive control system and method for circulating fluidized bed boiler |
| CN110887038B (en) * | 2019-12-26 | 2021-05-28 | 哈尔滨中远控制工程有限公司 | Combustion self-adaptive control system and method for circulating fluidized bed boiler |
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