CN100467954C - Petroleum coking-slurry burning control system - Google Patents
Petroleum coking-slurry burning control system Download PDFInfo
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- CN100467954C CN100467954C CNB2006100343986A CN200610034398A CN100467954C CN 100467954 C CN100467954 C CN 100467954C CN B2006100343986 A CNB2006100343986 A CN B2006100343986A CN 200610034398 A CN200610034398 A CN 200610034398A CN 100467954 C CN100467954 C CN 100467954C
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Abstract
This invention discloses a controlling system of fossil oil serum coke which is used to control the burning device so as to make the fossil oil serum coke to burn efficiently. This burning-control system adopts the burning space heat sensor and the baroceptor to sense the temperature and gas pressure. It also compares the sensing data with the corresponding parameter data stored in the program controller and automatically makes sure the adjusting proposal according to the result. The program controller is used to control the serum and air intake amount of the serum pump so as to keep the temperature of the burning space between the burning point and coking point and make the burning space steady sub-pressure so as to make the fossil oil serum burn efficiently and avoid coking or flame out.
Description
Technical field
The present invention relates to a kind of boiler plant, more particularly, the present invention relates to a kind of is the combustion control system of fuel with the petroleum charred slurry.
Background technology
On the one hand, along with increasing the weight of day by day of problem of environmental pollution, boiler plant has substantially all been used the energy of cleaning instead, and such as oil, natural gas or coal gas, still, this rises the fuel cost of boiler plant significantly.On the other hand, energy crisis has become the problem that the whole world is paid close attention to.Can be fewer and feweri by human use's natural energy resources, but human increasing to the demand of natural energy resources.Therefore Energy restructuring is all being carried out in countries in the world, to save the existing energy to greatest extent.
People are constantly seeking new clean energy resource.Adopt cheap, high effect cleaning petroleum charred slurry fuel, can the reasonable use natural resources, can reduce the fuel cost of boiler plant again.But, exist the difficulty of catching fire, easily coking, dust stratification, flame to disperse, be difficult to the problem of after-flame during the petroleum charred slurry burning.So, in the petroleum charred slurry combustion process, must adopt special control system that the parameters such as pressure and temperature in the burner hearth are carried out real-time monitoring and adjustment.
Boiler combustion control system of the prior art mostly is to be based upon on the basis of burning common fuel, a kind of Automatic Control heating furnace burner that is disclosed for CN200420052348 number as Chinese patent, comprise shell with ventilating opening and damper and observation panel, the cartridge of installing in this shell, with and the nozzles installed of the port of export, this Automatic Control heating furnace burner also comprises to be installed in the ignitor on the nozzles and installs on shell, has remote-control receiving circuit by microcomputerized control, the flame monitoring circuit, temperature sensing circuit, warning circuit, regulator block, and the electric cabinet of pressure switch and electrically operated valve.
A kind of blast furnace hot-blast stove combustion automatic control method based on case-based reasoning of being disclosed for CN200510071939 number of Chinese patent application and for example comprises that data prepare and two stages of on-line operation; Wherein, the described data preparatory stage may further comprise the steps: the optimal air-fuel ratio interval of 1) determining blast furnace and hot blast cupola combustion according to the historical data of manual adjustment blast furnace and hot blast cupola combustion; 2) lower limit, the dome temperature of setting the dome temperature climbing speed allows the scope that descends and the higher limit of dome temperature, the burning time and time dome temperature rising stage of blast funnace hot blast stove, and the higher limit of burning EGT when finishing; 3) set the sampling period of dome temperature rising stage control, the sampling period of dome temperature control stationary phase and the calibration cycle of dome temperature EGT stationary phase climbing speed control; 4) be defined in one and regulate the technological parameter relevant that is comprised in the example with blast furnace hot blast stove combustion process; 5) from the historical data of manual adjustment blast furnace and hot blast cupola combustion, extract a plurality of successful adjusting examples, as the basic example of on-line operation stage case library; 6) distance threshold of similarity degree between expression real-time technological parameter of blast furnace and hot blast cupola combustion and the basic example is set; The described on-line operation stage may further comprise the steps: 7) the real-time technological parameter of timing acquiring blast furnace hot blast stove combustion process; 8) rising stage of dome temperature after blast funnace hot blast stove takes fire, real-time technological parameter according to the blast furnace hot blast stove combustion process of timing acquiring, calculate the climbing speed of dome temperature, the lower limit of current climbing speed and climbing speed is compared, if it is lower than this lower limit, then utilize the case-based reasoning method of binding rule reasoning that air-fuel ratio is regulated, to accelerate the climbing speed of dome temperature; 9) after blast furnace and hot blast cupola combustion enters the stationary phase of dome temperature, real-time technological parameter according to the blast furnace and hot blast cupola combustion of timing acquiring, calculate the variable quantity of current dome temperature, if this variable quantity has exceeded the scope that the dome temperature of setting allows decline, then utilize the case-based reasoning method of binding rule reasoning that air-fuel ratio is regulated, to suppress the downward trend of dome temperature; 10) check point of controlling at the EGT climbing speed, real-time technological parameter according to the blast furnace hot blast stove combustion process of timing acquiring, calculate climbing speed, the afterburning time of EGT and the EGT that expectation reaches when finishing that burns, utilization is regulated gas flow based on the inference method of example, with the climbing speed of the quickening or the EGT that slows down, make EGT when burning finishes, reach the higher limit of EGT just.
But above-mentioned two boiler control systems that patent application disclosed and control methods all are the automatic control of carrying out at common fuel and common boiler plant, and these control systems and control method can not stabilizing effective burning petroleum coke slurries.
Therefore, provide a kind of petroleum coking-slurry burning control system of the abundant efficient burning of petroleum charred slurry that can guarantee to become the problem that industry need solve.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of petroleum coking-slurry burning control system of the slurry of burning petroleum coke effectively fully.
A kind of technical scheme of the present invention is: a kind of petroleum coking-slurry burning control system is provided, be used to control a burner so that make the petroleum charred slurry in it stablize burning fully, burner comprises the combustion chamber, at least one carries the blower fan of air in the combustion chamber, at least one is arranged on the petroleum charred slurry burner of combustion chamber one end, the oil burner and/or the air burner of at least one petroleum charred slurry burner that is used to ignite, at least one is used for the slurry supply pump to petroleum charred slurry burner conveying petroleum coke slurry, and at least one is used to discharge the tail gas outlet of flue gas, wherein, this petroleum coking-slurry burning control system comprises at least one chamber temperature sensor, at least one combustion chamber baroceptor, an and cyclelog, the chamber temperature sensor is arranged on and is used for the variation of sensing combustion chamber temperature in the combustion chamber, the combustion chamber baroceptor is arranged on the air pressure change that is used in the combustion chamber in the sensing combustion chamber, cyclelog comprises processor module, memory module, at least one temperature sensing signal input module, at least one air pressure sensing signal input module, at least one temperature is adjusted signal output module, and at least one air pressure is adjusted signal output module, wherein, temperature sensing signal input module and air pressure sensing signal input module respectively from chamber temperature sensor and combustion chamber baroceptor image data and being input in the processor module handle, the various data that processor module will obtain respectively with memory module in the preset content stored carry out corresponding comparison and produce command signal according to comparative result, temperature adjusts signal output module and air pressure adjustment signal output module drives blower fan adjustment intake according to each self-corresponding command signal respectively and/or the driving slurry supply pump is adjusted stock volume, so that combustion chamber temperature is controlled between the ignition temperature and coking temperature of petroleum charred slurry, the negative pressure in the combustion chamber is maintained between negative 200 handkerchiefs～negative 100 handkerchiefs.
As preferential scheme, this petroleum coking-slurry burning control system further is provided with on the flow inlet line between slurry supply pump and the petroleum charred slurry burner for slurry valve, slurry pressure transmitter and slurry flowmeter, for starching valve in order to adjust the flow size of petroleum charred slurry by cyclelog, slurry pressure transmitter and slurry flowmeter be in order to the pressure and the changes in flow rate of sensing and control petroleum charred slurry, and data are offered cyclelog handle.And air-introduced machine and flue-gas temperature sensor are set in the tail gas outlet, air-introduced machine is used for forming stable combustion chamber draft together under the control of cyclelog is adjusted with blower fan, and the flue-gas temperature sensor is used for the temperature of the flue gas in the outlet of sensing tail gas and offers cyclelog handling.The combustion chamber is provided with two or more high pressure soot-blowing valve in the position away from thermal-flame; being used for petroleum charred slurry particle with burn-out blows afloat and carries out the burning second time; avoid its dust stratification on combustion chamber or boiler tube, not only improved efficiency of combustion but also protected device security.This petroleum coking-slurry burning control system further is provided with a flame detector in order to detecting the flame combustion operating mode in the combustion chamber in the combustion chamber, and data are offered cyclelog handles.Particularly, blower fan comprises a dc fan and a sidespin blower fan, further on the path of dc fan and sidespin blower fan air door executing agency is set respectively, so that wind rotation and wind flow are controlled.
Further, this petroleum coking-slurry burning control system is provided with washes rifle valve and flushing valve, is used for after shutdown, respectively petroleum charred slurry burner and flow inlet line is washed, and prevents to be stopped up by petroleum charred slurry.
As an application example, petroleum coking-slurry burning control system is used for uphole steam generator, the petroleum charred slurry burner is more than three or three, oil burner and/or air burner are at least one, the combustion chamber is divided into stable burning room and burner hearth two parts of internal communication, the burner hearth inner disc is provided with boiler tube, comprise that further a supply-water pump is used for supplying water in boiler tube, one section before boiler tube enters burner hearth is provided with water ga(u)ge and hydraulic pressure sensor, be used for the flow and the pressure of water sensing, and these data are offered cyclelog handle; Boiler tube is retained on one section the tube wall of burner hearth at least one tube wall temperature sensor is set, and is used for the temperature of sensing tube wall, and these data are offered cyclelog handles; One section of passing behind the burner hearth of boiler tube is provided with steam pressure sensor and vapor (steam) temperature sensor, the temperature and the air pressure that are used for sensing steam, and these data are offered cyclelog handle, cyclelog maintains between 70%～80% steam quality by adjusting the supply proportionate relationship of slurry supply pump and supply-water pump.
For better integrated this system, this petroleum coking-slurry burning control system is provided with switch board, be used for placement procedure controller and corresponding power supply and all kinds of connecting line, switch board further is provided with touch display, the data-signal of chamber temperature sensor and combustion chamber baroceptor all can show on touch display, and when these data exceed predetermined scope, cyclelog will be handled it and/or give the alarm according to the default corresponding solution in the reservoir module.
Wherein, cyclelog comprises that further at least one other signal input module is used to obtain the signal one of at least of following element: oil pressure sensor, water ga(u)ge, hydraulic pressure sensor, tube wall temperature sensor, steam pressure sensor, vapor (steam) temperature sensor, flue-gas temperature sensor, flame detector, slurry pressure transmitter, slurry flowmeter, for slurry level sensor, storage slurry level sensor or fuel level sensor; Cyclelog further comprise at least one other signal output module be used to drive adjust following element one of at least: supply-water pump, air compressor, dc fan, sidespin blower fan, slurry supply pump, oil feed pump, delivery valve, for starch valve, advance slurry/slurry traversing valve, return valve, flushing valve, wash the rifle valve, High-pressure air valve, steam supply valve, high pressure soot-blowing valve, hydraulic pressure switch, high-pressure gas pressure switch, blast switch, air door actuator or air-introduced machine.
Preferably, the petroleum charred slurry burner is that four, oil burner are that three, air burner are two, and four petroleum charred slurry burners can provide petroleum charred slurry by same slurry supply pump, also can provide petroleum charred slurry by different slurry supply pumps.Comprise that further air compressor is used for providing pressure-air so that petroleum charred slurry fully atomizes to the petroleum charred slurry burner, and on the air compressor passage, pressure switch is set.Adopt oil feed pump to three oil burner fuel feeding, the fuel feeding circuit is provided with oil pressure sensor, is used for the sensing oil pressure and data are offered cyclelog handling.
Petroleum coking-slurry burning control system of the present invention is used for control but is not restricted to uphole steam generator.Wherein, signal can be analog quantity, also can be digital quantity.Temperature sensor is arranged on the position near thermal-flame.Baroceptor is arranged on the position away from thermal-flame.
The invention has the beneficial effects as follows: adopt chamber temperature sensor and combustion chamber baroceptor sensing combustion chamber temperature and air pressure effectively, and determine the adjustment scheme of slurry supply pump and blower fan by cyclelog according to the relevant parameter data of storage according to the sense data that obtains, combustion chamber temperature is remained between the ignition temperature and coking temperature of petroleum charred slurry, and make the stable negative pressure of maintenance in the combustion chamber, so that the burning fully efficiently of petroleum charred slurry, thereby effectively avoid coking or flame-out phenomenon; Adopt the high pressure soot-blowing valve, the petroleum charred slurry particle of burn-out is blown afloat and carry out burning second time, avoided its dust stratification on combustion chamber or boiler tube, not only improved efficiency of combustion but also protected device security; Adopt four petroleum charred slurry burners can strengthen the atomizing intensity of petroleum charred slurry, the spray penetration of shortening petroleum charred slurry forms tubbiness, even, full, well-mixed combustion powered field; Adopt three oil burners, two air burners, and light four petroleum charred slurry burners in order successively, really effectively four petroleum charred slurry burners are fully lighted, avoid flame-out phenomenon; Adopt the sidespin blower fan that sidespin wind is provided, both strengthened petroleum charred slurry droplet mixed combustion intensity, reduced the temperature of inner walls again, avoided the coking on inner walls of petroleum charred slurry droplet.
Below in conjunction with drawings and Examples, further specify the present invention, but the present invention is not limited to these embodiment, any on essence spirit of the present invention improvement or substitute, still belong to scope required for protection in claims of the present invention.
Description of drawings
Fig. 1 is a petroleum coking-slurry burning control system of the present invention and the schematic diagram that combines of injection boiler.
Fig. 2 is the cyclelog module diagram of petroleum coking-slurry burning control system of the present invention.
The specific embodiment
Embodiment 1
Please refer to Fig. 1 and Fig. 2, petroleum coking-slurry burning control system of the present invention is used to control a burner so that make the petroleum charred slurry in it stablize burning fully, and wherein, petroleum charred slurry can be that burnt slurry of water or oil coke are starched.
In the present embodiment, this petroleum coking-slurry burning control system is used for uphole steam generator, and this uphole steam generator comprises burner hearth 1, stable burning room 2, boiler tube, supply-water pump 3, air compressor 4, dc fan 5, sidespin blower fan 6, four petroleum charred slurry burners, slurry supply pump 7, with slurry jar 8, slurry can 9, pump for mortar transmission 10, three oil burners, oil feed pump 11, oil tank 12, delivery valve 13, for slurry valve 14, advance slurry/slurry traversing valve 15, return valve 16, main slurry-inlet valve 18, High-pressure air valve 20, two air burners, steam supply valve 21, high pressure soot-blowing valve 22, hydraulic pressure switch 24, high-pressure gas pressure switch 33, blast switch 39, air door actuator 40, air-introduced machine 43 and tail gas outlet.
This petroleum coking-slurry burning control system comprises oil pressure sensor 23, water ga(u)ge 25, hydraulic pressure sensor 26, tube wall temperature sensor 27, steam pressure sensor 28, vapor (steam) temperature sensor 29, flue-gas temperature sensor 30, chamber temperature sensor 31, flame detector 32, slurry pressure transmitter 34, slurry flowmeter 35, supplies slurry level sensor 36, storage slurry level sensor 37, fuel level sensor 38, combustion chamber baroceptor 42 and a cyclelog 100.
Wherein, burner hearth 1 and stable burning room's 2 internal communication, the boiler tube dish is located in the burner hearth 1, supply-water pump 3 is used for supplying water in boiler tube, water ga(u)ge 25 and hydraulic pressure sensor 26 are located at boiler tube a section before entering burner hearth 1, the flow and the pressure that are used for water sensing, and these data are offered cyclelog 100 handle; Tube wall temperature sensor 27 is located on the tube wall of the primary reformer pipe in the burner hearth 1, is used for the temperature of sensing tube wall, and these data are offered cyclelog 100 handles; After steam pressure sensor 28 and vapor (steam) temperature sensor 29 are arranged on boiler tube and pass burner hearth 1 one section, the temperature and the air pressure that are used for sensing steam, and these data are offered cyclelog 100 handle, cyclelog 100 maintains between 70%～80% steam quality by adjusting the supply proportionate relationship of slurry supply pump 7 and supply-water pump 3.Air-introduced machine 43 is arranged in the tail gas outlet with flue-gas temperature sensor 30, air-introduced machine is used for making the stable negative pressure aerodynamic field of formation in the combustion chamber together with dc fan 5 and sidespin blower fan 6 under the control adjustment of cyclelog 100, and flue-gas temperature sensor 30 is used for the temperature of the flue gas in the outlet of sensing tail gas and offers cyclelog 100 handling.Seven high pressure soot-blowing valves 22 are arranged on the bottom of burner hearth 1, be used for blowing afloat and make it to carry out the burning second time petroleum charred slurry particle of the burn-out of burner hearth 1, both can avoid dust stratification, the petroleum charred slurry particle that can prevent high temperature again drops on the boiler tube boiler tube is burnt, and can also improve the combustion rate of petroleum charred slurry.These high pressure soot-blowing valves 22 can be controlled its opening and closing by cyclelog 100, and the part high pressure soot-blowing valve 22 that can control is wherein opened or closed.
Chamber temperature sensor 31 is arranged on the variations in temperature that is used in the stable burning room 2 in the sensing stable burning room 2, combustion chamber baroceptor 42 is arranged on the air pressure change that is used in the burner hearth 1 in the sensing burner hearth 1, because burner hearth 1 is communicated with stable burning room 2, so combustion chamber baroceptor 42 sensings also is air pressure in the stable burning room 2.Flame detector 32 is arranged in the stable burning room 2 in order to detecting the flame combustion operating modes of stable burning room 2, and data are offered cyclelog 100 handles.
Have three kinds of burners in the stable burning room 2, what lighted at first is two air burners, what then lighted is three oil burners, when the temperature in the stable burning room 2 is raised to the petroleum charred slurry burning-point when above, light four petroleum charred slurry burners more successively, when four petroleum charred slurry burners all after the smooth combustion, extinguish oil burner.Therefore air burner and oil burner are the auxiliary burner of the petroleum charred slurry burner that is used to ignite.Gas-flow enters in the air burner through igniting air valve 21 and takes fire.Fuel oil in the oil tank 12 by oil feed pump 11 by oil supply line and the delivery valve 13 that is unlocked of flowing through be transported to three oil burners respectively and burn.Petroleum charred slurry begins to be transported to slurry can 9 by pump for mortar transmission 10 most and stores, during use, open main slurry-inlet valve 18 petroleum charred slurry be transported to in the slurry jars 8, then slurry supply pump 7 will with the petroleum charred slurry in the slurry jars 8 by the flow inlet line and flow through and be unlocked be transported to four petroleum charred slurry burners for slurry valve 14 and burn successively.In ignition process, four can be designed at interval certain hour for slurry valve 14 by cyclelog 100 according to the needs of igniting and open automatically successively, and in like manner three delivery valves 13, two steam supply valves 21 also are that needs according to igniting are designed to the pattern of opening automatically at interval.
Dc fan 5 provides the combustion air of direct current in stable burning room by air door actuator 40, sidespin blower fan 6 provides the side direction rotary air by air door actuator 40 in stable burning room, thermal-flame with stable burning room 2 posterior segments entrainments the leading portion of stable burning room 2 effectively, make petroleum charred slurry get heating, drying apace, stably fire burns; Simultaneously, the side direction rotary air is rotation at a high speed in stable burning room 2, forms complicated rotation and axially-movable, has greatly improved combustion intensity.Air door executing agency 40 is used for wind rotation and wind flow are controlled.Air compressor 4 provides pressure-air to four petroleum charred slurry burners respectively by High-pressure air valve 20, the petroleum charred slurry that sprays in the stable burning room 2 is fully atomized form the petroleum charred slurry particle, so that fully burning.
Wherein, storing in the memory module 102 according to debugging repeatedly draw respectively from oil pressure sensor 23, water ga(u)ge 25, hydraulic pressure sensor 26, tube wall temperature sensor 27, steam pressure sensor 28, vapor (steam) temperature sensor 29, flue-gas temperature sensor 30, chamber temperature sensor 31, flame detector 32, slurry pressure transmitter 34, slurry flowmeter 35, for slurry level sensor 36, storage slurry level sensor 37, fuel level sensor 38, the optimal parameter of combustion chamber baroceptor 42 or the optimal parameter compound mode of parameter area or a plurality of elements.
Temperature sensing signal input module 103 and air pressure sensing signal input module 105 are used for respectively from chamber temperature sensor 31 with combustion chamber baroceptor 42 image data and be input to the processor module 101 and handle, the various data that processor module 101 will obtain respectively with memory module 102 in the corresponding preset content of storage compare and according to comparative result generation command signal; When if temperature is higher than preset range, temperature adjustment signal output module 104 at first will drive slurry supply pump 7 and reduce stock volume, if in the time of can't reducing temperature by reducing stock volume, temperature adjustment signal output module 104 will drive dc fan 5 and reduce temperature with sidespin blower fan 6 by strengthening intake, and combustion chamber temperature is controlled between the ignition temperature and coking temperature of petroleum charred slurry; When if air pressure is higher than preset range, air pressure is adjusted signal output module 105 will drive dc fan 5, sidespin blower fan 6 and air-introduced machine 43, come the indoor negative pressure of smooth combustion by the air quantity proportionate relationship that changes between them, the negative pressure in the combustion chamber is maintained between negative 200 handkerchiefs～negative 100 handkerchiefs.
Other signal input module 107 are used to gather the supplemental characteristic of oil pressure sensor 23, water ga(u)ge 25, hydraulic pressure sensor 26, tube wall temperature sensor 27, steam pressure sensor 28, vapor (steam) temperature sensor 29, flue-gas temperature sensor 30, flame detector 32, slurry pressure transmitter 34, slurry flowmeter 35, confession slurry level sensor 36, storage slurry level sensor 37 or fuel level sensor 38.Processor module 101 with the supplemental characteristic that obtains respectively with memory module 102 in the corresponding preset content of storage compare, and produce command signal according to comparative result; Other signal output module 108 are mutual corresponding with being provided with of other signal input module 107, be used for carrying out parameter adjustment, starch valve 14, advance slurry/slurry traversing valve 15, return valve 16, flushing valve 17, wash rifle valve 19, High-pressure air valve 20, steam supply valve 21, high pressure soot-blowing valve 22, hydraulic pressure switch 24, high-pressure gas pressure switch 33, blast switch 39, air door actuator 40, air-introduced machine 43 etc. such as supply-water pump 3, air compressor 4, dc fan 5, sidespin blower fan 6, slurry supply pump 7, oil feed pump 11, delivery valve 13, confession according to the corresponding element of the command driven of processor module 101.
This petroleum coking-slurry burning control system further is provided with washes rifle valve 19 and flushing valve 17, is used for after shutdown, respectively petroleum charred slurry burner and flow inlet line is washed, and prevents to be stopped up by petroleum charred slurry.
This petroleum coking-slurry burning control system further is provided with switch board 41, be used for placement procedure controller 100 and corresponding power supply and all kinds of connecting line, touch display screen 130 is installed in the switch board 41, the data of above-mentioned various sensors can show on touch display screen 130 that all touch display screen 130 can be used for human-computer dialogue.And when certain data that touch display screen 130 shows exceed predetermined scope, cyclelog 100 will be handled it and/or give the alarm according to the default corresponding solution in the reservoir module 102.
As another embodiment of the present invention, petroleum coking-slurry burning control system of the present invention can be used for other various types of burners, such as steam boiler, water-bath stove or furnace equipment etc.
Petroleum coking-slurry burning control system of the present invention can only comprise chamber temperature sensor 31, combustion chamber baroceptor 42, and cyclelog 100, perhaps mainly comprise chamber temperature sensor 31, combustion chamber baroceptor 42 and cyclelog 100 also comprise one or more in the following element: oil pressure sensor 23 in addition, water ga(u)ge 25, hydraulic pressure sensor 26, tube wall temperature sensor 27, steam pressure sensor 28, vapor (steam) temperature sensor 29, flue-gas temperature sensor 30, flame detector 32, slurry pressure transmitter 34, slurry flowmeter 35, for slurry level sensor 36, storage slurry level sensor 37, fuel level sensor 38.
The boiler plant that the present invention uses can be provided with three or three above petroleum charred slurry burners in the combustion chamber, oil burner and air burner can be provided with one at least.In slurry, oil, letter shoot line, valve arrangement can be set.
The various valves that the present invention adopts can be other general valves of magnetic valve, hand-operated valve or this area, or electromagnetism dual-use manual valve.Touch display screen 130 can be set, perhaps adopt the display screen of non-touch.Other signal input module 107 and other signal output module 108 can be provided with a plurality of respectively, with the dissimilar signal of correspondence.The signal that the present invention adopts can be that analog quantity also can be a digital quantity.
The cyclelog that the present invention adopts can be computer, single-chip microcomputer or FPGA control circuit.
Claims (10)
1, a kind of petroleum coking-slurry burning control system, be used to control a burner so that make the petroleum charred slurry in it stablize burning fully, described burner comprises the combustion chamber, at least one carries the blower fan of air in described combustion chamber, at least one is arranged on the petroleum charred slurry burner of described combustion chamber one end, the oil burner and/or the air burner of at least one described petroleum charred slurry burner that is used to ignite, at least one is used for the slurry supply pump to described petroleum charred slurry burner conveying petroleum coke slurry, and at least one is used to discharge the tail gas outlet of flue gas, it is characterized in that: this petroleum coking-slurry burning control system comprises at least one chamber temperature sensor, at least one combustion chamber baroceptor, an and cyclelog, described chamber temperature sensor is used for the described combustion chamber temperature of sensing to be changed, described combustion chamber baroceptor is used for the air pressure change in the described combustion chamber of sensing, described cyclelog comprises processor module, memory module, at least one temperature sensing signal input module, at least one air pressure sensing signal input module, at least one temperature is adjusted signal output module, and at least one air pressure is adjusted signal output module, wherein, described temperature sensing signal input module and described air pressure sensing signal input module obtain data and are input in the described processor module from described chamber temperature sensor and described combustion chamber baroceptor respectively and handle, the various data that described processor module will obtain respectively with memory module in the preset content stored carry out correspondingly relatively and according to comparative result producing command signal, described temperature adjusts signal output module and described air pressure adjustment signal output module drives described blower fan adjustment intake and/or drives described slurry supply pump adjustment stock volume according to each self-corresponding command signal respectively, so that described combustion chamber temperature is controlled between the ignition temperature and coking temperature of petroleum charred slurry, the negative pressure in the described combustion chamber is maintained between negative 200 handkerchiefs～negative 100 handkerchiefs.
2, petroleum coking-slurry burning control system as claimed in claim 1, it is characterized in that, this petroleum coking-slurry burning control system further is provided with on the flow inlet line between described slurry supply pump and the described petroleum charred slurry burner for slurry valve, slurry pressure transmitter and slurry flowmeter, described for starching valve in order to adjust the flow of petroleum charred slurry by cyclelog, described slurry pressure transmitter and slurry flowmeter be in order to the pressure and the changes in flow rate of sensing and control petroleum charred slurry, and data are offered cyclelog handle.
3, petroleum coking-slurry burning control system as claimed in claim 1, it is characterized in that, this petroleum coking-slurry burning control system further is provided with air-introduced machine and flue-gas temperature sensor in described tail gas outlet, described air-introduced machine is used for forming stable combustion chamber draft together under the control of cyclelog is adjusted with described blower fan, and described flue-gas temperature sensor is used for the temperature of the flue gas in the outlet of sensing tail gas and offers described cyclelog handling.
4, petroleum coking-slurry burning control system as claimed in claim 1, it is characterized in that, described blower fan further comprises a dc fan and a sidespin blower fan, further on the path of described dc fan and sidespin blower fan, air door executing agency is set respectively, so that wind rotation and wind flow are controlled.
5, petroleum coking-slurry burning control system as claimed in claim 1, it is characterized in that, described combustion chamber is provided with two or more high pressure soot-blowing valve in the position away from thermal-flame, be used for petroleum charred slurry particle with burn-out and blow afloat and carry out the burning second time.
6, petroleum coking-slurry burning control system as claimed in claim 1, it is characterized in that, this petroleum coking-slurry burning control system further is provided with a flame detector in order to detecting the flame combustion operating mode in the described combustion chamber in described combustion chamber, and data are offered described cyclelog handles.
7, petroleum coking-slurry burning control system as claimed in claim 1; it is characterized in that this petroleum coking-slurry burning control system further is provided with and washes rifle valve and flushing valve, is used for after shutdown; respectively petroleum charred slurry burner and flow inlet line are washed, prevent to be stopped up by petroleum charred slurry.
8, petroleum coking-slurry burning control system as claimed in claim 1, it is characterized in that, described petroleum coking-slurry burning control system is used for uphole steam generator, described petroleum charred slurry burner is more than three or three, described oil burner and/or described air burner are at least one, described combustion chamber is divided into stable burning room and burner hearth two parts of internal communication, described burner hearth inner disc is provided with boiler tube, comprise that further a supply-water pump is used for supplying water in described boiler tube, one section before described boiler tube enters described burner hearth is provided with water ga(u)ge and hydraulic pressure sensor, the flow and the pressure that are used for water sensing, and these data are offered described cyclelog handle; Described boiler tube is retained on one section the tube wall of described burner hearth at least one tube wall temperature sensor is set, and is used for the temperature of the described tube wall of sensing, and these data are offered described cyclelog handles; One section of passing behind the described burner hearth of described boiler tube is provided with steam pressure sensor and vapor (steam) temperature sensor, the temperature and the air pressure that are used for sensing steam, and these data are offered cyclelog handle, described cyclelog maintains between 70%～80% steam quality by adjusting the supply proportionate relationship of described slurry supply pump and described supply-water pump.
9, petroleum coking-slurry burning control system as claimed in claim 1, it is characterized in that, this petroleum coking-slurry burning control system is provided with switch board, be used to settle described cyclelog and corresponding power supply and all kinds of connecting line, described switch board further is provided with touch display, the data-signal of described chamber temperature sensor and combustion chamber baroceptor all can show on touch display, and when these data exceed predetermined scope, described cyclelog will be handled it and/or give the alarm according to the default corresponding solution in the reservoir module.
10, petroleum coking-slurry burning control system as claimed in claim 1, it is characterized in that described cyclelog comprises that further at least one other signal input module is used to obtain the signal one of at least of following element: oil pressure sensor, water ga(u)ge, hydraulic pressure sensor, tube wall temperature sensor, steam pressure sensor, vapor (steam) temperature sensor, flue-gas temperature sensor, flame detector, slurry pressure transmitter, slurry flowmeter, for slurry level sensor, storage slurry level sensor or fuel level sensor; Described cyclelog further comprise at least one other signal output module be used to drive adjust following element one of at least: supply-water pump, air compressor, dc fan, sidespin blower fan, slurry supply pump, oil feed pump, delivery valve, for starch valve, advance slurry/slurry traversing valve, return valve, flushing valve, wash the rifle valve, High-pressure air valve, steam supply valve, high pressure soot-blowing valve, hydraulic pressure switch, high-pressure gas pressure switch, blast switch, air door actuator or air-introduced machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100343986A CN100467954C (en) | 2006-03-17 | 2006-03-17 | Petroleum coking-slurry burning control system |
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| CNB2006100343986A CN100467954C (en) | 2006-03-17 | 2006-03-17 | Petroleum coking-slurry burning control system |
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| CN100467954C true CN100467954C (en) | 2009-03-11 |
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| CNB2006100343986A Active CN100467954C (en) | 2006-03-17 | 2006-03-17 | Petroleum coking-slurry burning control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102155736A (en) * | 2011-04-05 | 2011-08-17 | 上海夏能新能源科技有限责任公司 | Control device for water-coal-slurry burner |
| CN102288009B (en) * | 2011-06-17 | 2013-08-07 | 浙江迦南科技股份有限公司 | Automatic control system and method of fluidized bed for drying solid preparation |
| CN103032886B (en) * | 2011-09-30 | 2016-02-17 | 湖南晟通科技集团有限公司 | A kind of control method of Combustion Operation of Boilers |
| CN102876567B (en) * | 2012-10-30 | 2014-06-25 | 南京通用电气装备有限公司 | Biomass anaerobic fermentation tank stirring and heating method and biomass anaerobic fermentation tank stirring and heating system |
| CN102966970B (en) * | 2012-12-04 | 2014-11-19 | 中冶南方(武汉)威仕工业炉有限公司 | Combustion control system and method for co-combustion and heating of fuel gas and combustion-supporting air |
| CN103090370B (en) * | 2013-01-25 | 2015-02-25 | 西安交通大学 | Air distribution structure for improving combustion efficiency of fuel oil steam injection boiler and air distribution method |
| CN114174722B (en) * | 2019-01-10 | 2024-08-20 | 威廉姆斯炉业公司 | Dynamically adjusting heater |
| CN110748876A (en) * | 2019-11-25 | 2020-02-04 | 辽宁红拖科技股份有限公司 | Petroleum coke powder combustion system and method |
| CN111536553A (en) * | 2020-05-20 | 2020-08-14 | 武汉飞恩微电子有限公司 | Combustion control system of fuel oil burner |
| CN115755717B (en) * | 2022-11-29 | 2023-08-29 | 潮州市索力德机电设备有限公司 | Kiln equipment operation detecting system based on thing networking |
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Effective date of registration: 20201211 Address after: 21 Chuangye West Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: DEVOTION (CHANGZHOU) BOILER Co.,Ltd. Patentee after: GUANGZHOU DEVOTION THERMAL TECHNOLOGY Co.,Ltd. Address before: 510760 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone East Wang Ming Road Addison Industrial Park Patentee before: GUANGZHOU DEVOTION THERMAL FACILITY Co.,Ltd. |
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Address after: 21 Chuangye West Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Desen (Changzhou) Energy Equipment Co.,Ltd. Patentee after: GUANGZHOU DEVOTION THERMAL TECHNOLOGY Co.,Ltd. Address before: 21 Chuangye West Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: DEVOTION (CHANGZHOU) BOILER Co.,Ltd. Patentee before: GUANGZHOU DEVOTION THERMAL TECHNOLOGY Co.,Ltd. |