CN108224772A - A kind of dual-purpose boiling type hot-blast stove of novel bottle coal and control method - Google Patents
A kind of dual-purpose boiling type hot-blast stove of novel bottle coal and control method Download PDFInfo
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- CN108224772A CN108224772A CN201810116996.0A CN201810116996A CN108224772A CN 108224772 A CN108224772 A CN 108224772A CN 201810116996 A CN201810116996 A CN 201810116996A CN 108224772 A CN108224772 A CN 108224772A
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- 239000003245 coal Substances 0.000 title claims abstract description 95
- 238000009835 boiling Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003034 coal gas Substances 0.000 claims abstract description 32
- 206010030973 Oral discomfort Diseases 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 70
- 238000002485 combustion reaction Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 210000000038 chest Anatomy 0.000 claims description 4
- 239000000567 combustion gas Substances 0.000 claims description 2
- 239000013256 coordination polymer Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- 238000004939 coking Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 241001347978 Major minor Species 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001349296 Tragia volubilis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- General Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a kind of novel dual-purpose boiling type hot-blast stove of bottle coal, including fluidized bed furnace；Fluidized bed furnace is divided into main furnace chamber and secondary-furnace, and main furnace chamber is set there are two siege, and siege centre is equipped with dividing wall；Firebreak is equipped among main furnace chamber and secondary-furnace, air blast blast cap is equipped in the bottom of main furnace chamber and secondary-furnace, air blast blast cap is mounted on air blast aerofoil, air blast aerofoil has main furnace chamber bellows and secondary-furnace bellows, main furnace chamber bellows are connected with blower outlet, secondary-furnace bellows are connected by air hose with main furnace chamber bellows, are equipped with main burning mouth and flame detector in fluidized bed furnace main furnace chamber side furnace wall middle and lower part, the steady burner of coal gas and liquefied gas igniter are equipped on its adjacent face furnace wall.The object of the present invention is to provide a kind of dual-purpose boiling type hot-blast stove of novel bottle coal and control methods, single coal-fired boiling type hot-blast stove is adapted to the dual-purpose boiling type hot-blast stove of bottle coal, by single or be used in mixed way, blast furnace gas more than needed is made full use of, reduces coal-fired cost.
Description
Technical field
The present invention relates to a kind of novel dual-purpose boiling type hot-blast stove control method of bottle coal, especially suitable coal, blast furnace gas lists
With, mixed hot-blast stove and control method.
Background technology
Fluidized bed furnace is a kind of coal furnace developed in recent years, it, which can not only burn, burns fat coal, can also burn general stove
All kinds of colms that grate furnace and room burner cannot be burnt, and combustion efficiency is good, the thermal efficiency is high.
But environmental requirement now, burned coal price increasingly improve, and many enterprises start to try every possible means to fire using other energy substitutions
Coal.Blast furnace gas combustible component is low, combustion instability, ignition temperature is low, exhaust gas volumn is big, is not paid attention in the past by everybody, now because of drop
Cost needs are gradually used, wherein more is that pervious fluidized bed furnace is changed to the dual-purpose fluidized bed furnace of gas, coal, can burn gas
It is cost-effective also to burn coal to solve the problems, such as that unstable, the newly-built gas burner of blast furnace gas is of high cost, security risk is big.
Because blast furnace gas be a kind of low heat value, impurity content it is high, for feed is unstable, toxicity is big its burning of fuel when
Need the air before paying close attention to fire box temperature and burning and coal gas mixed proportion.Conversion between gas, coal needs strictly handle
The amount held opportunity and substituted mutually, once holding inaccuracy easily causes convert failed even coking.It is guided using coal gas
Stove is difficult the coal amount for holding coal opportunity and each time when burning coal.When bottle coal is used with, air blast is wanted because burning coal and burning gas
It asks and differs greatly, artificial control is difficult the control equalization point, often causes coal coking or burning insufficient, on the other hand in people
Substantially it can only ensure that the normal of burner hearth is difficult to take into account cost control problem, traditional coal, gas dual-purpose fluidized bed furnace when industry control
The labor intensity of stoker personnel has been aggravated significantly.Simultaneously because coal-fired burning point is high, furnace igniting difficulty is opened, a large amount of combustibles need to be consumed
Igniting；The defects of existing fluidized bed furnace is due in structure, making it, heat flow is slow in use, and boil the easy close-burning of dross coal,
Blowing out scarfing cinder is needed once stopping burning after coking is serious, directly affects the continuous operation of production.Existing single coal-fired fluidized bed furnace pair stove
Thorax tubular type air blast, easily causing air hose air port and blocking makes secondary-furnace disabler.
Invention content
The purpose of the present invention is in view of the above problems, providing a kind of dual-purpose boiling type hot-blast stove of novel bottle coal and controlling party
Single coal-fired boiling type hot-blast stove is adapted to the dual-purpose boiling of bottle coal by method, the advantages of giving full play to coal-fired boiling type hot-blast stove
Formula hot-blast stove by single or be used in mixed way, make full use of blast furnace gas more than needed, reduces coal-fired cost；Overcome single coal-fired boiling
It rises stove and opens furnace igniting difficult, easy close-burning, Single gas hot-blast stove gas supply unstable the problems such as causing hot wind unstable.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of dual-purpose boiling type hot-blast stove of novel bottle coal, including fluidized bed furnace；The fluidized bed furnace is divided into main furnace chamber and secondary-furnace, described
Main furnace chamber is set there are two siege, and two sieges centres are equipped with dividing wall；Firebreak, the pair are equipped among main furnace chamber and secondary-furnace
Burner hearth furnace wall is equipped with hot-blast outlet, connects heat supply pipeline；Air blast blast cap, the drum are equipped in the bottom of main furnace chamber and secondary-furnace
Wind blast cap is mounted on air blast aerofoil, and air blast aerofoil has main furnace chamber bellows and secondary-furnace bellows, main furnace chamber bellows and air blast
Machine air outlet is connected, and secondary-furnace bellows are connected by air hose with main furnace chamber bellows, and volume damper is equipped among air hose；It is boiling
Stove main furnace chamber side furnace wall middle and lower part is risen equipped with main burning mouth and flame detector, is surely fired equipped with coal gas on its adjacent face furnace wall
Burner and liquefied gas igniter.
Further, a coal injection pipe is equipped on each hearth furnace front side wall, coal injection pipe quantifies feeder phase with disk
Even, coal injection pipe is equipped with blast pipe, and blast pipe is equipped with air blast adjustable valve, and the blast pipe is connected with main furnace chamber bellows.
Further, two rows are respectively provided on the air blast aerofoil on the two air blast aerofoils and secondary-furnace on main furnace chamber
Slag pipe, the outlet of scum pipe deslagging are connected with screw conveyor.
Further, a fire door and two secondary aid distributing pipes are respectively provided on side wall in two siege furnace walls, secondary-furnace is set
There are two fire door and two secondary aid distributing pipes, the secondary aid distributing pipe is connected with main furnace chamber bellows, and secondary aid distributing pipe is equipped with more
A volume damper.
Further, gas inlet and combustion-supporting wind inlet are provided on the main burning mouth, the combustion-supporting wind inlet passes through
Air hose connects special air blower, and spiral plate is provided in the pipeline of the main burning mouth, and pipeline is formed a combustion air spiral leads to
Road.
The present invention discloses the control methods for using the dual-purpose boiling type hot-blast stove of above-mentioned bottle coal：
A kind of dual-purpose boiling type hot-blast stove control method of novel bottle coal, it include Analog input mModule, analog output module,
Digital quantity input module, digital output module, CP and CPU；Analog input mModule and digital quantity input module are to fluidized bed furnace
Field data and each equipment state in stove carry out data acquisition, and the signal transmission of acquisition is carried out to PLC and collection control computer
Analyzing and processing data is simultaneously compared PLC Program databases, passes through analog output module and digital quantity output module
Equipment is provided and is burnt using gas or instruction that coal combustion or coal gas are mixed and burned.
Further, included the following steps using gas burning：
1), system will determine gas using quantity according to external demand temperature；
2) air blower valve, is adjusted further according to data in PLC, left and right fine tuning is carried out after stablizing and is corrected, so as to further excellent
Change to reach optimum value；
3) when external demand temperature or coal gas supply pressure change, system will select optimal parameter again.
Further, included the following steps using coal combustion：
1) system will determine coal dosage according to external demand temperature；
2) feeder is quantified adjusting disk further according to data in PLC give coal amount；
3) and then according to blast pressure and furnace pressure air blower valve opening is determined.
Further, included the following steps using coal gas mixed firinor fuel burning：
1) system first according to external temperature it needs to be determined that needing to provide heat；
2) maximum that can be provided is determined further according to gas pressure, lacks part and is filled up again with coal；
3) system determines coal gas with air quantity according to database in PLC after gas using quantity is determined, finally further according to furnace pressure, drum
Wind pressure, fire box temperature carry out integrated judgment air blower valve opening.
Further, when burning gas switchs to burn coal, system is first shut off air blower valve, then opens air blower, then gives
Fixed disk quantify feeder with it is slower to coal speed to coal, air blower valve is slowly opened, when air blower pressure, burner hearth temperature
Feeder gradually increases coal-supplying amount, while air blower valve slowly adjusts, and is recycled with this until reaching again when degree, furnace pressure are stablized
To desired value；When burning coal turn burning gas, then burning gas is inverted, while slowly reduce coal-supplying amount until the supply of stopping coal amount.
Beneficial effects of the present invention：
1. boiling type hot-blast stove main furnace chamber single structure is designed to multiple hearth structure, effectively increases boiling slag and coal-fired boiling is steady
Qualitative and uniformity overcomes the problems, such as the full oven coke knot blowing out caused by close-burning local in burner hearth and to open furnace igniting difficult；
2. boiling type hearth of hot-blast stove is arranged to major-minor chamber structure, and secondary-furnace air blast mode is arranged to and main furnace chamber wind
The bellows type air blast form that case is connected makes the remaining coal dust after main furnace chamber burns and coal gas further burn in secondary-furnace and more fill
Point, multiple scum pipes are set on the aerofoil of secondary-furnace bellows, and through screw machine automatic discharge, air port will not be blocked by pulverized coal dregs；
3. installed additional on boiling type hot-blast furnace body suitable position main burning mouth and the steady burner of coal gas and liquefied gas igniter with
Matching component makes boiling type hot-blast stove form the fuel gas hot-blast stove that blast furnace gas is fuel；
4. spiral-flow type combustion air helical duct is used, it is more preferable to low combustion value furnace gas air blast combustion-supporting effect, be conducive to blast furnace coal
The abundant burning of gas；The steady burner installed additional realizes the easily igniting of main burning mouth and stablizes burning；The gas igniter of installation makes coal
Gas ignition operation safety and reliability；
5. when burning gas can by fire box temperature, gas pressure, demand temperature analysis accurate control coal gas specified rate automatically
And coal gas and air mixture ratio；
It precisely realizes that coal turns the gentle operation for turning coal of gas 6. can seize the opportunity automatically when needing coal, gas shift, ensures that coal, gas turn
The success changed.
Description of the drawings
Fig. 1 is the main structure diagram of hot-blast stove of the present invention.
Fig. 2 is the left view structural representation of Fig. 1.
Fig. 3 is the partial enlargement structural representation at A in Fig. 2.
Fig. 4 is the structure diagram for the coal injection pipe connection blast pipe that disk quantifies feeder.
Fig. 5 is the local overlooking structure diagram of hot-blast stove of the present invention.
Fig. 6 is the structure diagram of main burner.
Fig. 7 is the sectional view of B-B in Fig. 6.
Fig. 8 is the sectional view of C-C in Fig. 6.
Fig. 9 is the frame diagram of hot-blast stove control method.
Figure 10 is the flow chart of hot-blast stove control method.
Label character described in figure is expressed as：1st, main furnace chamber；2nd, secondary-furnace；3rd, firebreak；4th, air blast blast cap；5th, air blast wind
Plate；6th, main furnace chamber bellows；7th, secondary-furnace bellows；8th, air blower；9th, air hose；10th, flame detector；11st, main burning mouth；12nd, coal
The steady burner of gas；13rd, liquefied gas igniter；14th, disk quantifies feeder；15th, screw conveyor；16th, special air blower；101、
Siege；102nd, dividing wall；103rd, coal injection pipe；104th, blast pipe；105th, scum pipe；106th, secondary aid distributing pipe；110th, gas inlet；
111st, combustion-supporting wind inlet；112nd, spiral plate；113rd, combustion air helical duct；1010th, fire door.
Specific embodiment
In order to which those skilled in the art is made to more fully understand technical scheme of the present invention, below in conjunction with the accompanying drawings to the present invention into
Row detailed description, the description of this part is only exemplary and explanatory, should not there is any limitation to protection scope of the present invention
Effect.
As Figure 1-Figure 8, a kind of technical solution of the present invention：A kind of dual-purpose boiling type hot-blast stove of novel bottle coal, including boiling
Rise stove；The fluidized bed furnace is divided into main furnace chamber 1 and secondary-furnace 2, and the main furnace chamber 1 is set there are two siege 101, in two sieges 101
Between be equipped with dividing wall 102；Firebreak 3, major-minor burner hearth volumetric ratio 5~8: 1, the pair stove are equipped among main furnace chamber 1 and secondary-furnace 2
2 furnace wall of thorax is equipped with hot-blast outlet, connects heat supply pipeline；Air blast blast cap 4 is equipped in the bottom of main furnace chamber 1 and secondary-furnace 2, to carry
The uniformity of each region boiling of height boiling siege, the air blast blast cap 4 are mounted on air blast aerofoil 5, and air blast aerofoil 5 has master
Burner hearth bellows 6 and secondary-furnace bellows 7, main furnace chamber bellows 6 are connected with 8 air outlet of air blower, secondary-furnace bellows 7 by air hose 9 with
Main furnace chamber bellows 6 are connected, and volume damper is equipped among air hose 9；Master is equipped in 1 side furnace wall middle and lower part of fluidized bed furnace main furnace chamber
Burner 11 and flame detector 10 are equipped with the steady burner 12 of coal gas and liquefied gas igniter 13, liquid on its adjacent face furnace wall
After changing gas igniter fire, to coal gas, steady burner gives gas igniting, after the burning normally of steady burner, to main burning mouth coal supply
Gas ignition, ensure entire gas burner in this way stablizes burning, and entire gas-fired situation is by video flame detector
Monitoring.
Preferably, it is respectively provided with anti-riot electric flow tune on main burning mouth 11 and the steady 12 respective coal supply tracheae of burner of coal gas
Section, pneumatic rapid cut-off valve and anti-riot motor switch sealed butterfly valve, main gas pipe are equipped with anti-riot water seal and sealed butterfly valve；Coal gas
Pipe network is equipped with gas pressure and temperature and flow instrumentation and sensor, and the monitoring of real-time central control room and regulation and control coal gas supply
Should and behaviour in service, it is ensured that the safe handling of coal gas.
Preferably, a coal injection pipe 103 is equipped on each 101 stokehold side wall of siege, coal injection pipe 103 is quantitatively given with disk
Coal machine 14 is connected, and coal injection pipe 103 is equipped with blast pipe 104, and blast pipe 104 is equipped with air blast adjustable valve, the blast pipe 104
It is connected with main furnace chamber bellows 6.
Preferably, two are respectively provided on the air blast aerofoil 5 on the two air blast aerofoils 5 and secondary-furnace 2 on main furnace chamber 1
Scum pipe 105, the outlet of 105 deslagging of scum pipe are connected with screw conveyor 15, and connecting tube is equipped with residual cake valve and window, the row of opening
Slag valve starts screw conveyor realization automatic discharge.
Preferably, a fire door 1010 and two secondary aid distributing pipes 106 are respectively provided on side wall in two 101 furnace walls of siege,
Secondary-furnace 2 is set there are two fire door 1010 and two secondary aid distributing pipes 106, and the secondary aid distributing pipe 106 connects with main furnace chamber bellows 6
Logical, secondary aid distributing pipe 106 is equipped with multiple volume dampers, complementary to adjust major-minor burner hearth wind pressure and cool down work to furnace wall
With.
Preferably, be provided with gas inlet 110 and combustion-supporting wind inlet 111 on the main burning mouth 11, the combustion air into
Mouth 111 connects special air blower 16 by air hose 9, spiral plate 112 is provided in the pipeline of the main burning mouth 11, by pipeline shape
Into a combustion air helical duct 113.
The control principle of control method of the present invention：
This system passes through Analog input mModule and digital quantity input module collection site data and each status of equipment, Ran Houtong
Scene is controlled to set by digital output module and analog output module again after crossing PLC and collection control computer for analysis processing data
It is standby to ensure orderly, the safe operation of the dual-purpose fluidized bed furnace of coal gas.Increase touch screen in operating room at the scene to provide for operator on duty
In real time, intuitive data analysis situation；All firemans, the experience of technical staff and method of adjustment, step are formed into program
PLC is stored in as its parameter adjustment basis and periodically the abnormal data of preservation is analyzed to optimize program parameter, is ensured
Its reasonability and advance；One co-exists in three kinds of combustion states in coal, the dual-purpose fluidized bed furnace of gas：1st, it is burnt using gas merely；2、
Coal combustion is used merely；3rd, coal gas is used in mixed way burning.
The system automatic control time and coal-supplying amount when coal gas guides and burns coal furnace lifting, it is ensured that the success of furnace lifting；It is meeting
To gas leak, the flame-out emergency alarm when safety problems to operator on duty, will have immediately when operator on duty fails timely processing
The blowing out of sequence notifies collection control personnel to ensure personnel, equipment safety simultaneously.This system has abnormal data to preserve function, facilitates technology people
Member consults optimization automatic control system.
When specifically used：
（One）Be switched to after fluidized bed furnace normal operation automatic control system will oneself detect gas pressure, demand temperature again with PLC
Which kind of fuel mode Program database judges this using more again.If artificially given specific fuel controlling party
Formula system will be according to artificial settings automatic running, and most energy-efficient parameter operation is selected under the frame of artificial settings；Fluidized bed furnace
According to the following three kinds of methods of operation of the difference of fuel：
1st, it is burnt using gas merely：It is simplest operational mode only to burn gas, and system will be according to external demand temperature come really first
Determine gas using quantity, then adjust air blower valve further according to data in PLC, after stablizing again carry out left and right fine tuning correct so as to
It advanced optimizes to reach optimum value.When external demand temperature or coal gas supply pressure change, system will again select most
Good parameter.
2nd, coal combustion is used merely：System will determine coal dosage according to external demand temperature first, then further according to PLC
Middle data adjust disk feeder coal-supplying amount, then determine air blower valve opening according to blast pressure and furnace pressure.
Burning coal and removing slag needs suitable experience to come control deslagging opportunity and bed drain purge, and what slag was arranged can cause to heave difficulty in burner hearth less, slag row
Can excessively cause local temperature excessively high and coking occur, which can be according to current blast pressure and furnace pressure
The accurate deslagging of value of feedback, by clinker discharge ensure burner hearth in boiling degree and burning adequacy.The main stove in fluidized bed furnace
Thorax and secondary-furnace are separated, and system is also by according to respective pressure, deslagging ensures the normal operation of burner hearth respectively.
3rd, coal gas is mixed and burned：Coal gas be mixed and burned when, system first according to external temperature it needs to be determined that need to
Go out heat, lack part in the maximum for determining to provide according to gas pressure is filled up again with coal, may insure coal gas in this way
Preferential quota use reduce cost.System determines that coal gas matches air quantity according to database in PLC after gas using quantity is determined, finally
According to furnace pressure, blast pressure, fire box temperature come integrated judgment air blower valve opening.Once some or a few numbers
It corrects to ensure the normal operation of burner hearth according to will all make existing parameter according to parameter in PLC when changing.
Conversion between coal and gas, conversion are divided into following two：1st, gas is burnt to switch to burn coal：Burning gas need to only prepare before burner
Air be do not need to open air blower, so burn gas switch to burn coal when air blower valve open degree and coal-supplying amount number
Cooperation seem important by its, once a side it is unbalance can all cause conversion failure even coking.System is when judging to need conversion
Or during artificial order conversion, automatic control system be first shut off air blower valve open air blower then to fixed disk feeder with
Slower gives coal speed to coal, and air blower valve is slowly opened when air blower pressure, fire box temperature, furnace pressure stabilization to coal
Machine gradually increases coal-supplying amount again, while air blower valve slowly adjusts, and is recycled with this until reaching desired value.2nd, coal is burnt to switch to burn
Gas then inverts burning gas, while slowly reduces coal-supplying amount until stopping the supply of coal amount.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or equipment institute
Element.
Specific case used herein is expounded the principle of the present invention and embodiment, the explanation of above example
It is merely used to help understand the method and its core concept of the present invention.The above is only the preferred embodiment of the present invention, should
When pointing out, due to the finiteness of literal expression, and objectively there are unlimited concrete structure, for the common skill of the art
For art personnel, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined in the right way；These improve retouching, variation or combination or the not improved structure by invention
Think and technical solution directly applies to other occasions, be regarded as protection scope of the present invention.
Claims (10)
1. a kind of dual-purpose boiling type hot-blast stove of novel bottle coal, it includes fluidized bed furnace；It is characterized in that, the fluidized bed furnace is divided into main stove
Thorax（1）And secondary-furnace（2）, the main furnace chamber（1）If there are two sieges（101）, two sieges（101）Centre is equipped with dividing wall
（102）；Main furnace chamber（1）And secondary-furnace（2）Centre is equipped with firebreak（3）, the secondary-furnace（2）Furnace wall is equipped with hot-blast outlet,
Connect heat supply pipeline；In main furnace chamber（1）And secondary-furnace（2）Bottom be equipped with air blast blast cap（4）, the air blast blast cap（4）Installation
In air blast aerofoil（5）On, air blast aerofoil（5）Have main furnace chamber bellows（6）With secondary-furnace bellows（7）, main furnace chamber bellows（6）With
Air blower（8）Air outlet is connected, secondary-furnace bellows（7）Pass through air hose（9）With main furnace chamber bellows（6）It is connected, air hose（9）It is intermediate
Equipped with volume damper；In fluidized bed furnace main furnace chamber（1）Side furnace wall middle and lower part is equipped with main burning mouth（11）And flame detector
（10）, the steady burner of coal gas is equipped on its adjacent face furnace wall（12）And liquefied gas igniter（13）.
2. a kind of novel dual-purpose boiling type hot-blast stove of bottle coal according to claim 1, which is characterized in that in each siege
（101）Stokehold side wall is equipped with a coal injection pipe（103）, coal injection pipe（103）Feeder is quantified with disk（14）It is connected, coal injection pipe
（103）It is equipped with blast pipe（104）, blast pipe（104）It is equipped with air blast adjustable valve, the blast pipe（104）With main furnace chamber
Bellows（6）It is connected.
3. a kind of novel dual-purpose boiling type hot-blast stove of bottle coal according to claim 2, which is characterized in that positioned at main furnace chamber
（1）On two air blast aerofoils（5）And secondary-furnace（2）On air blast aerofoil（5）On be respectively provided with two scum pipes（105）, deslagging
Pipe（105）Deslagging exports and screw conveyor（15）It is connected.
A kind of 4. novel dual-purpose boiling type hot-blast stove of bottle coal according to claim 1, which is characterized in that two sieges
（101）A fire door is respectively provided in furnace wall on side wall（1010）With two secondary aid distributing pipes（106）, secondary-furnace（2）There are two if
Fire door（1010）With two secondary aid distributing pipes（106）, the secondary aid distributing pipe（106）With main furnace chamber bellows（6）Connection, it is secondary to match
Air hose（106）It is equipped with multiple volume dampers.
A kind of 5. novel dual-purpose boiling type hot-blast stove of bottle coal according to claim 1, which is characterized in that the main burning mouth
（11）On be provided with gas inlet（110）With combustion-supporting wind inlet（111）, the combustion-supporting wind inlet（111）Pass through air hose（9）Connection
Special air blower（16）, the main burning mouth（11）Pipeline in be provided with spiral plate（112）, pipeline is formed into a combustion-supporting conch
Revolve channel（113）.
6. a kind of dual-purpose boiling type hot-blast stove control method of novel bottle coal, which is characterized in that it includes Analog input mModule, mould
Analog quantity output module, digital quantity input module, digital output module, CP and CPU；Analog input mModule and digital quantity input
Module carries out data acquisition to the field data in fluidized bed furnace stove and each equipment state, by the signal transmission of acquisition to PLC and
Collection control computer carries out analyzing and processing data and PLC Program databases is compared, and passes through analog output module sum number
Word amount output module provides equipment to be burnt or instruction that coal combustion or coal gas are mixed and burned using gas.
7. a kind of novel dual-purpose boiling type hot-blast stove control method of bottle coal according to claim 6, which is characterized in that use
Gas burning includes the following steps：
1), system will determine gas using quantity according to external demand temperature；
2) air blower valve, is adjusted further according to data in PLC, left and right fine tuning is carried out after stablizing and is corrected, so as to further excellent
Change to reach optimum value；
3), when external demand temperature or coal gas supply pressure change, system will select optimal parameter again.
8. a kind of novel dual-purpose boiling type hot-blast stove control method of bottle coal according to claim 6, which is characterized in that use
Coal combustion includes the following steps：
1）, system will coal dosage be determined according to external demand temperature；
2）, quantify feeder adjusting disk further according to data in PLC and give coal amount；
3）And then air blower valve opening is determined according to blast pressure and furnace pressure.
9. a kind of novel dual-purpose boiling type hot-blast stove control method of bottle coal according to claim 6, which is characterized in that use
Coal gas mixed firinor fuel burning includes the following steps：
1）, system first according to external temperature it needs to be determined that needing to provide heat；
2）, the maximum that further according to gas pressure determines to provide, lack part and filled up again with coal；
3）, system determines coal gas with air quantity according to database in PLC after gas using quantity is determined, finally further according to furnace pressure,
Blast pressure, fire box temperature carry out integrated judgment air blower valve opening.
10. a kind of novel dual-purpose boiling type hot-blast stove control method of bottle coal according to claim 9, which is characterized in that when
Burn gas switch to burn coal when, system is first shut off air blower valve, then opens air blower, then to fixed disk quantify feeder with compared with
Slow coal speed of giving to coal, slowly open by air blower valve, when air blower pressure, fire box temperature, furnace pressure stabilization to coal
Machine gradually increases coal-supplying amount again, while air blower valve slowly adjusts, and is recycled with this until reaching desired value；Turn to burn gas when burning coal
When, then burning gas is inverted, while slowly reduce coal-supplying amount until stopping the supply of coal amount.
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| CN201810116996.0A CN108224772A (en) | 2018-02-06 | 2018-02-06 | A kind of dual-purpose boiling type hot-blast stove of novel bottle coal and control method |
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| CN109058974A (en) * | 2018-07-03 | 2018-12-21 | 安徽辰宇机械科技有限公司 | A kind of stalk chaff environmental protection suspension hot-blast stove |
| CN112113332A (en) * | 2020-09-11 | 2020-12-22 | 安徽铱玛热能设备制造股份有限公司 | Electromagnetic induction hot-blast stove |
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| CN112113332A (en) * | 2020-09-11 | 2020-12-22 | 安徽铱玛热能设备制造股份有限公司 | Electromagnetic induction hot-blast stove |
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