CN101619858A - Automatic control method for boiler oil burner and device thereof - Google Patents
Automatic control method for boiler oil burner and device thereof Download PDFInfo
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- CN101619858A CN101619858A CN200910041709A CN200910041709A CN101619858A CN 101619858 A CN101619858 A CN 101619858A CN 200910041709 A CN200910041709 A CN 200910041709A CN 200910041709 A CN200910041709 A CN 200910041709A CN 101619858 A CN101619858 A CN 101619858A
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Abstract
The invention relates to an automatic control method for boiler oil burners, which comprises the following steps: a, the oil burner is partitioned into a plurality of layers; b, the oil boiler is operated taking a layer as a unit when an instruction of inputting or quitting is received; c, the next layer of the oil burner is operated until all of layers of the oil burner are operated when the operating amount of the oil burner in one layer is larger than 80 percent; and d, when an instruction of operating or stopping operating is received in one layer, a corresponding oil burner is sequentially operated, if the oil burner is operated, or the operation is not allowed, the next oil burner is operated. The device for realizing the automatic control method comprises an oil burner layer operating judgment loop, a boiler oil burner layer management loop and a layer oil burner management loop, wherein the oil burner layer operating judgment loop inputs the operating signals of the oil burners in the layer and outputs the signals to the boiler oil burner layer management loop; the boiler oil burner layer management loop also inputs an oil burner ignition instruction and the last signal of the failed starting of the oil burner in each layer, and outputs starting instructions of the oil burners in each layer to each oil burner management loop; and the layer oil burner management loop inputs operating allowing and operating signals of the oil burners of each layer and starting instructions of the oil burner of each layer and outputs ignition instructions of the oil burner of each layer.
Description
Technical field
The present invention relates to the method that a kind of automatic sequence is controlled power plant boiler oil burner input and withdrawed from burning, the invention still further relates to the device of realizing said method.
Background technology
The thermal power plant is by coming the transducing generating in boiler combust fuel (normally coal) pushing turbine group, point is coal-fired in boiler needs by oil burner, so be provided with a plurality of oil burners in boiler, oil burner is provided with by layer in full burner hearth.Numerous oil burner input or withdraw from the branch that burning has priority in the process of increase and decrease fuel.
Every cover oil burner comprises a plurality of equipment: oil gun, burning torch, oil gun propeller, burning torch propeller, high-energy igniter, igniting fuel tap, blow down valve, atomization valve, flame detector (being called for short the fire inspection).Every cover oil burner all has igniting enabled condition.When oil burner receives the input instruction, the suitable control of single oil burner starts the function group and can finish ignition function automatically with the oil burner input, and judges automatically whether oil burner drops into, as drop into unsuccessful automatically performing and stop transport along control function group, oil burner is withdrawed from.
The oil burner boot sequence: oil-feed rifle → advance burning torch → open blow down valve → purging 20 seconds → close blow down valve, drive fuel tap, open atomization valve, igniter sparking → duration of ignition is to moving back whether success of burning torch → judgements igniting, igniting is unsuccessful carries out that stoppage in transit is suitable to be controlled.The successful criterion of lighting a fire: oil gun enters that open position, fuel tap, atomization valve is opened, the fire inspection has fire.Stop transport along control: close fuel tap, close atomization valve, advance burning torch → open blow down valve, igniter sparking → sparking time to moving back burning torch → purge time to closing blow down valve, moving back oil gun.
When oil burner is in remote control position, fire inspection fault-free, can send the signal that this oil burner allows input, do not allow signal otherwise send input.
When the oil burner oil gun enters the position, the fuel tap of lighting a fire reaches the position, blow down valve reaches the position, flame detector can send the signal that this oil burner has dropped into after having fiery four conditions to satisfy; Otherwise send the startup failure signal.
Starting temperature rise period, the automatic management function group of oil burner in fired power generating unit will cooperate requirement that boiler heating boosts to finish the automatic input of oil burner; In set grid-connection and load up process, oil burner will cooperate together with coal burner, realizes the automatic increase of fuel; In unit load down process, load is reduced to the automatic input that certain value need be finished oil burner, and load need be realized withdrawing from automatically of oil burner when continuing to drop to underload.
Oil burner management automatically is to realize that unit is from start and stop control system and burner automated management system necessary conditions, when receiving input that load management function group sends or the instruction of withdrawing from oil burner, how in complete each layer of burner hearth oil burner, to select the operation that suitable oil burner drops into and withdraws from fast, realize the automatic increase and decrease of oil burner, especially the front-back wall 600MW oil burning boiler that liquidates, totally three layers of oil burner up and down, quantity with one deck oil burner reaches 12, nearly 36 of the quantity of whole burner hearth oil burner, how to realize the quick input of oil burner and withdraw from, the unit fast lifting is loaded and the requirement of AGC load variations and do not influence, and is a great problem of pendulum in face of ours.
Existing unit DCS Control System Design does not generally design from the start and stop control system, oil system only designs the startup of single oil burner and stops along control, the popular configuration mode of DCS configuration producer also just starts and each oil burner (as shown in Figure 1) of stopping transport according to the regular hour order successively at present, does not consider the ruuning situation (equipment is moving, stopping transport or equipment fault) of equipment.Because the startup of oil burner has certain time interval, can not guarantee to find quickly and easily the burner that put into operation like this, realize the quick startup of oil burner.
Summary of the invention
First purpose of the present invention, just provide a kind of automatic control method for boiler oil burner, under the situation of the current operation conditions of consideration equipment, realize the quick input of oil burner and withdraw from and do not influence unit fast lifting load and satisfy the requirement of AGC load variations.
For achieving the above object, automatic control method for boiler oil burner of the present invention, step is as follows:
A, full burner hearth oil burner is divided stratification: it is to be one deck with the oil burner that is in same level height that coner firing boiler layer is divided; For the oil burner that liquidates that front-back wall is arranged, if ignition process needs front wall to drop into one, back wall drops into one successively, and then layer is divided and is defined as one deck with the same level height of forward and backward wall; If putting into operation of front wall is irrelevant with the back wall, then the same level height of front wall is one deck, and the same level height of back wall is one deck;
B, when receiving oil burner input or exit instruction, at first the ignition order that requires according to the boiler factory from top to bottom, from front to back, is the operation that unit starts and stops transport with the layer;
In the c, definition layer oil burner put into operation quantity greater than a certain number after (more than or equal to layer burner sum 80%), can think that this layer oil burner puts into operation, enter down one deck oil burner and put into operation and put into operation until whole layers of oil burner;
D, put into operation or stop transport when instruction as layer, according to the order of the prior art standard corresponding oil burner that puts into operation successively, in putting into operation process, every oil burner checks the situation that puts into operation of burner and the enabled condition that puts into operation, do not allow that next burner then puts into operation rapidly as putting into operation or dropping into.
Second purpose of the present invention just provides and realizes the above-mentioned boiler oil burner device of control automatically, referring to Fig. 2, it is characterized in that including:
Oil burner layer input corresponding to oil burner number of plies N judged the loop, and the signal of input that it imports each oil burner of this layer exports boiler oil burner layer-management loop to;
Oil burner firing command, last oil burner startup failure signal of each layer are also imported in a boiler oil burner layer-management loop, export the enabled instruction of each layer oil burner to each oil burner management loop;
Corresponding to the layer oil burner management loop of oil burner number of plies N, its input of importing each oil burner of this layer allows signal and has dropped into signal and the enabled instruction of each layer oil burner, each oil burner firing command of exporting this layer.
Described each oil burner layer input judges that loop contains: counting module, with logic module and or logic module, counting module, with logic module and or the input of logic module is that first oil burner of this layer drops into, second oil burner of this layer drops into ..., this layer n prop up oil burner and dropped into common n input, have m (n/m is more than or equal to 80%) to be input as true time in n input, it is true that this layer of counting module output FOUT oil burner drops into signal; When n input is true time all, export all oil burner of this layer and all dropped into signal for true; Arbitrary signal is a true time in n input, exports all oil burner of this layer and has all dropped into signal for true; Counting module, with logic module and or the output of logic module all deliver to boiler oil burner layer-management loop; Wherein: n is this layer oil burner sum, and m is a self-defining integer less than n.
Described boiler oil burner layer-management loop contains: 9 with logic module, 7 NOT logic modules, 2 rest-set flip-flop modules, 2 or logic module; (is example with oil burner number of plies N=3)
The input of the 1st NOT logic module (201) is the 1st layer of first output with logic module (102);
The 4th with the input of logic module (202) be the 2nd layer the 2nd or the output of logic module (106) and the output FOUT of the 1st layer of the 1st counting module (101), output is as the input of the 2nd NOT logic module (203);
The 10th with the input of logic module (205) be oil burner enabled instruction, the 1st NOT logic module (201) output, the 2nd NOT logic module (203) output and the 13rd with the output of logic module (215), output to ground floor oil burner management loop (IV);
The 5th with the input of logic module (206) be that ground floor n props up burner and dropped into output with the 1st counting module (101);
The 6th with the input of logic module (207) be that ground floor n props up the output that burner starts failure and the 1st counting module (101);
The input of the set end of 1RS trigger logic module (209) be the 6th with logic module (207), the input of reset terminal is the output FOUT of the 1st counting module (101);
The 4th or the input of logic module (209) be the 4th with the output of logic module (202), the 5th with the output of logic module (206) with outputs 1RS igniter module (208);
The input of the 3rd NOT logic module (210) be the 2nd with the output of logic module (105);
The 7th with the input of logic module (212) be the 3rd or the output of logic module (109) and the output FOUT of the 2nd counting module (104), output is as the input of the 4th NOT logic module (213);
The 11st with the input of logic module (211) be oil burner enabled instruction, the 4th or the output of logic module (209), the output of the 3rd NOT logic module (210), the output of the 4th NOT logic module (213) and the output of the 7th NOT logic module (219), output second layer oil burner management loop (V);
The 8th with the input of logic module (214) be that second layer n props up burner and dropped into output FOUT with the 2nd counting module (104);
The 9th with the input of logic module (215) be that second layer n props up the output FOUT that burner starts failure and the 2nd counting module (104), output to the set end of 2RS igniter module (216), the reset terminal of 2RS igniter module (216) is the 3rd or the output of logic module (109);
The 5th or the input of logic module (209) be the 7th with the output of logic module (212), the 8th with the output of logic module (214) with outputs 2RS igniter module (216);
The input of the 5th NOT logic module (218) be the 3rd with the output of logic module (108);
The 12nd with the input of logic module (220) be oil burner enabled instruction, the 5th or logic module (217) and the 5th NOT logic module (218), output to N layer oil burner management loop (VI);
Described each layer oil burner management loop contains: 3 with logic module, 4 NOT logic modules, 3 rest-set flip-flop modules, 6 or logic module, 3 time-delay logic modules, 7 pulse logic modules;
The input of the 15th pulse logic module (501) is that the output in boiler oil burner layer-management loop (VII) starts this layer oil burner, and output is to start first oil burner instruction of this layer;
The input of the 7th time-delay logic module (502) is that the output in boiler oil burner layer-management loop (VII) starts this layer oil burner;
The input of the 16th NOT logic module (503) is that the output in boiler oil burner layer-management loop (VII) starts this layer oil burner;
The input of the 16th pulse logic module (504) is that the output in boiler oil burner layer-management loop (VII) starts this layer oil burner;
The input of the 17th NOT logic module (505) is that first oil burner input of this layer allows;
The 19th or the input of logic module (506) be that first oil burner of this layer dropped into the output with the 17th NOT logic module (505);
The 19th with the input of logic module (507) be the output and the 19th or the output of logic module (506) of the 16th pulse logic module (504);
The 18th or the input of logic module (508) be the 7th time-delay logic module (502) output and the 19th with the output of logic module (507);
The 3rd or the input of the set end of rest-set flip-flop module (509) be the 18th or the output of logic module (508), the reset terminal input is the output of the 16th NOT logic module (503);
The input of the 17th pulse module (510) is the output of 9RS igniter module (509), and output is to start second oil burner instruction of this layer;
The input of the 8th time-delay logic module (511) is the output of upper level rest-set flip-flop, if the input of the words of every layer of 4 oil burner is the output of 9RS igniter module (509);
The input of the 18th pulse logic module (512) is the output of upper level rest-set flip-flop, if the input of the words of every layer of 4 oil burner is the output of 9RS igniter module (509);
The input of the 18th NOT logic module (513) is that this layer n-2 props up the permission of oil burner input;
The 21st or the input of logic module (514) be that this layer n-2 oil burner has dropped into the output with the 18th NOT logic module (513);
The 20th with the input of logic module (515) be the output and the 21st or the output of logic module (514) of the 18th pulse logic module (512);
The 20th or the input of logic module (516) be the 8th time-delay logic module (511) output and the 20th with the output of logic module (515);
The input of the set end of 10RS igniter module (517) is the 20th or the output of logic module (516), and the reset terminal input is the output of the 16th NOT logic module (503);
The input of the 19th pulse module (518) is the output of 10RS igniter module (517), and output is to start this layer n-1 to prop up the oil burner instruction;
The input of the 9th time-delay logic module (519) is the output of 10RS igniter module (517);
The input of the 18th pulse logic module (512) is the output of 10RS igniter module (517);
The input of the 19th NOT logic module (521) is that this layer n-1 props up the permission of oil burner input;
The 23rd or the input of logic module (522) be that this layer n-1 oil burner has dropped into the output with the 19th NOT logic module (521);
The 21st with the input of logic module (523) be the output and the 23rd or the output of logic module (522) of the 20th pulse logic module (520);
The 22nd or the input of logic module (524) be the 9th time-delay logic module (519) output and the 21st with the output of logic module (523);
The input of the set end of 11RS igniter module (525) is the 22nd or the output of logic module (524), and the reset terminal input is the output of the 16th NOT logic module (503);
The input of the 21st pulse module (526) is the output of 11RS igniter module (525), and output is to start this layer n to prop up the oil burner instruction.
When receiving oil burner input or exit instruction, the situation that at first puts into operation according to the current oil burner in boiler oil burner layer-management loop is judged drop into or withdraw from for which layer oil burner, the instruction of oil burner of will putting into operation then be dealt into corresponding layer by layer in the oil burner management loop, the oil burner management loop judges drop into or withdraw from which oil burner according to the situation of putting into operation of oil burner in this layer in the layer, corresponding oil burner input or the instruction withdrawed from are sent out, finish the input of oil burner or withdraw from.
Beneficial effect: the present invention proposes the management strategy of full burner hearth oil burner, the management of full burner hearth oil burner is decomposed layer, can be under the ruuning situation of considering equipment, promptly filling perhaps, the individual device fault does not influence under the situation of the normal operation of unit, also can guarantee the input of burner automated management system, realize the quick input of oil burner and withdraw from and do not influence unit fast lifting load and satisfy the requirement of AGC load variations.
Description of drawings
Invention is described in further detail to plate below in conjunction with the drawings and specific embodiments.
Fig. 1 is the suitable control of the DCS producer individual layer igniting loop diagram of prior art;
Fig. 2 is automatic sequence control power plant boiler oil burner input of the present invention and the theory of constitution schematic diagram that withdraws from burner;
Fig. 3 ground floor oil burner layer input judged loop (I);
Fig. 4 second layer oil burner layer input judged loop (II);
Fig. 5 N layer oil burner layer input judged loop (III);
Fig. 6 boiler oil burner layer-management loop (VII);
Fig. 7 ground floor oil burner management loop (IV);
Fig. 8 second layer oil burner management loop (V);
Fig. 9 N layer oil burner management loop (VI).
The specific embodiment
For making the present invention easier to understand, the present invention is further elaborated below in conjunction with accompanying drawing, but the embodiment in the accompanying drawing does not constitute any limitation of the invention.
A, reference numeral explanation
﹠amp;-with logic NOT-NOT logic
Logical OR-of TD ON-time-delay or logic
The RS-RS trigger, the R end is preferential
DIG COUNT-counting module, when be genuine quantity 〉=m in the n input, exporting FOUT is 1.
The management of b, whole burner hearth oil burner,
The burner arrangement difference of boiler, the layer of oil burner is divided different, and for the coner firing boiler, definition is one deck with the burner of same level height; For the opposed firing device that front-back wall is arranged, oil burner provides ignition energy for pulverized coal preparation system, and oil burner is divided by each pulverized coal preparation system in groups, is one group as front wall lower floor oil burner; And for the oil oven of front-back wall opposed firing, in order to guarantee front-back wall burning symmetry, the same level height of front-back wall is defined as one deck.
The principle that the oil burner layer is divided is, when oil burner put into operation, burner was that unit drops into the layer, generally is the bottom last layer that just puts into operation after finishing that puts into operation.Notion according to the layer of being divided manages full burner hearth oil burner.
The notion that c, layer put into operation
Shown in Fig. 3,4,5, the present invention has defined the notion that layer puts into operation, and promptly for certain one deck, the quantity 〉=m of burner props up if this layer has put into operation, thinks that then this layer burner puts into operation.For example the quantity of one deck burner is 12, if 10 above oil burners put into operation, thinks that then this layer oil burner puts into operation.
This has taken into full account the situation of equipment fault, layer puts into operation and does not require that all oil burner of this layer all puts into operation, as long as the oil gun quantity that has put into operation can guarantee this layer smooth combustion, for coal burner or adjacent layer burner with layer provide enough ignition energies, think that then this layer oil burner puts into operation simultaneously.
D, the layer management logic that puts into operation
As shown in Figure 6, the present invention proposes the management logic that layer puts into operation.Main design thought is as follows:
At first be to drop into the equivalent layer oil burner successively according to the predetermined order that puts into operation in boiler factory.
Each layer oil burner input as much as possible has only when certain one deck oil burner one deck oil burner that just can put into operation down after finishing that puts into operation.
With the second layer oil gun logic analysis of putting into operation: if firing command is arranged, and do not have the instruction that puts into operation of the 3rd layer of oil burner, second layer oil burner puts into operation under the situation of following arbitrary conditions being possessed.
The ground floor burner drops into, starts second layer burner when detecting ground floor n and prop up oil gun and dropped into.
The ground floor burner drops into, starts second layer burner when ground floor n props up the grease gun igniting failure.
The ground floor burner drops into, when any one of second layer burner starts second layer burner when having dropped into.
E, the layer inner burner sequence management logic that puts into operation
Shown in Fig. 7,8,9, the present invention is according to the burner of the boiler factory predetermined ignition order of order design that puts into operation, judge the igniting permissive condition of every oil gun, under the situation that permissive condition satisfies, light a fire according to the predetermined ignition order successively, as this grease gun igniting failure of having caught fire maybe of certain oil gun, then checking puts into operation down props up the oil gun that can drop into.Firing command is to give with the form of pulse, receives firing command at every turn and all can drop into oil gun according to this layer of predetermined ignition sequential search, with its input, finishes until this layer igniting, enters down one deck oil gun.
The present invention has adopted the selecting type program structure, the timer time rationally is set and drops into the pulse width of instructing, it cooperates cleverly and escapes burner and drop into required time, to cause program to be carried out disorderly because of dropping into failure in automatic ignition process to prevent some burners, and the input that guarantees burner is safety, but also quick not only.Principle during the burner excision is identical with it, and process is then opposite.
This patent mentality of designing has overcome the interference of manual ignition to the oil gun boot sequence, in the process that oil gun starts, only checks whether this oil gun moves, and does not consider that it is manually to drop into or drop into automatically.In the debugging start-up course, through repeatedly using the reasonability and the robustness of the mentality of designing of having verified us, equipment be out of order or the situation of manually disturbance under, all can be by the order that reasonably puts into operation with the oil gun input, inclined to one side phenomenon does not appear burning, and the situation that program is walked do not appear, by 168 test runs and the evidence of AGC lifting load the reasonability of logical design, in the process of lifting load, as long as the oil gun burner too much fault do not occur and do not need the operations staff to intervene the execution of automatic ignition order.
The present invention is to realize the part and parcel of unit in the start and stop control technology as the part of the automatic management function group of burner.The art of this patent can promote the use of front-back wall opposed firing device in addition, in the automatic management and controlling tactics of oil burners such as coner firing burner.
This patent derives from configuration and the debugging work of Zhanjiang oli oil power plant from the start and stop control system, and its middle level inner burner has been applied to husky angle C factory and Haimen power plant from start and stop control system configuration along keyholed back plate reason strategy.
The present invention is not limited only to the front-back wall oil burner that liquidates, and is suitable equally to the oil burner of coner firing.
Automatic control method for boiler oil burner of the present invention, step is as follows:
A, full burner hearth oil burner is divided stratification: it is to be one deck with the oil burner that is in same level height that coner firing boiler layer is divided; For the oil burner that liquidates that front-back wall is arranged, if ignition process needs front wall to drop into one, back wall drops into one successively, and then layer is divided and is defined as one deck with the same level height of front-back wall; If putting into operation of front wall is irrelevant with the back wall, then the same level height of front wall is one deck, and the same level height of back wall is one deck;
B, when receiving oil burner input or exit instruction, the ignition order that requires according to the boiler factory at first, from top to bottom, from front to back, just down before, down the back ..., go forward, go up after, be the operation that unit starts and stops transport with the layer;
C, put into operation or stop transport when instruction as layer, according to the order of the prior art standard corresponding oil burner that puts into operation successively, in putting into operation process, every oil burner checks the situation that puts into operation of burner and the enabled condition that puts into operation, do not allow that next burner then puts into operation rapidly as putting into operation or dropping into;
In the d, definition layer oil burner put into operation quantity greater than a certain number after (more than or equal to layer burner sum 80%), can think that this layer oil burner puts into operation, enter down one deck oil burner and put into operation and put into operation until whole layers of oil burner.
Referring to Fig. 2, realize the above-mentioned boiler oil burner device embodiment of control automatically, N=3 is an example with the oil burner number of plies, includes:
A boiler oil burner layer-management loop VII, and three oil burner layer inputs are judged loop I, II, III and layer oil burner management loop IV, V, VI.
Each oil burner layer input judges that loop contains: counting module, with logic module and or logic module, describe each layer oil burner layer input below in detail and judge the loop.
Ground floor oil burner layer input judges that loop I contains: first counting module 101, the first and logic module 102 and first or logic module 103, as shown in Figure 3.
Wherein: n is this layer oil burner sum, and m is a self-defining integer less than n; When m/n more than or equal to 0.8 the time, can think that this layer oil burner puts into operation, enter down one deck oil burner and put into operation and put into operation until whole layers of oil burner.
Second layer oil burner layer input judges that loop II contains: second counting module 104, the second and logic module 105 and second or logic module 106, as shown in Figure 4.
Second counting module 104, second and logic module 105 and second or the input of logic module 106 is that first oil burner of the second layer drops into, second oil burner of the second layer drops into ..., second layer n props up oil burner and dropped into common n input, have m to be input as true time in n input, it is true that second counting module, 104 output FOUT second layer oil burners drop into signal; When n input all is true time, export all oil burners of the second layer and all dropped into signal for true; Arbitrary signal all is a true time in n input, and all oil burners of the output second layer have all dropped into signal for true.Second counting module 104, second and logic module 105 and second or the output of logic module 106 all deliver to boiler oil burner layer-management loop VII.
The 3rd layer of oil burner layer input judges that loop III contains: the 3rd counting module 107, the 3 and logic module 108 and the 3rd or logic module 109, as shown in Figure 5.
The 3rd counting module the 107, the 3rd and logic module 108 and the 3rd or the input of logic module 109 is that the 3rd layer of first oil burner drops into, the 3rd layer of second oil burner drops into ..., the 3rd layer of n prop up oil burner and dropped into common n input, have m to be input as true time in n input, it is true that the 3rd layer of oil burner of the 3rd counting module 107 output FOUT drops into signal; When n input is true time all, export the 3rd layer of all oil burner and all dropped into signal for true; Arbitrary signal is a true time all in n input, exports the 3rd layer of all oil burner and has all dropped into signal for true.The 3rd counting module the 107, the 3rd and logic module 108 and the 3rd or the output of logic module 109 all deliver to boiler oil burner layer-management loop VII.
Referring to shown in Figure 6, boiler oil burner layer-management loop VII contains: 9 with logic module, 7 NOT logic modules, 2 rest-set flip-flop modules, 2 or logic module.
The input of the 1st NOT logic module 201 be the 1st with the output of logic module 102.
The 4th with the input of logic module 202 be the 2nd or the output of logic module 106 and the output FOUT of the 1st counting module 101, output is as the input of the 2nd NOT logic module 203.
The 10th with the input of logic module 205 be oil burner enabled instruction, the 1st NOT logic module 201 output, the 2nd NOT logic module 203 output and the 13rd with the output of logic module 215, output to ground floor oil burner management loop IV.
The 5th with the input of logic module 206 be that ground floor n props up burner and dropped into 101 output with the 1st counting module.
The 6th with the input of logic module 207 be that ground floor n props up 101 the output that burner starts failure and the 1st counting module.
The input of the set end of 1RS trigger logic module 209 be the 6th with logic module 207, the input of reset terminal is the output FOUT of the 1st counting module 101.
The 4th or the input of logic module 209 be the 4th with the output of logic module 202, the 5th with output 206 and output 1RS igniter module 208 of logic module.
The input of the 3rd NOT logic module 210 be the 2nd with the output of logic module 105.
The 7th with the input of logic module 212 be the 3rd or the output of logic module 109 and the output FOUT of the 2nd counting module 104, output is as the input of the 4th NOT logic module 213.
The 11st with the input of logic module 211 are oil burner enabled instructions, the 4th or the output of logic module 209, the output of the 3rd NOT logic module 210, the output of the 4th NOT logic module 213 and the output of the 7th NOT logic module 219, output second layer oil burner management loop V.
The 8th with the input of logic module 214 be that second layer n props up burner and dropped into output FOUT with the 2nd counting module 104.
The 9th with the input of logic module 215 be that second layer n props up the output FOUT that burner starts failure and the 2nd counting module 104, output to the set end of 2RS igniter module 216, the reset terminal of 2RS igniter module 216 is the 3rd or the output of logic module 109.
The 5th or the input of logic module 209 be the 7th with the output of logic module 212, the 8th with output 214 and output 2RS igniter module 216 of logic module.
The input of the 5th NOT logic module 218 be the 3rd with the output of logic module 108.
The 12nd with the input of logic module 220 are oil burner enabled instructions, the 5th or logic module 217 and the 5th NOT logic module 218, output to the 3rd layer of oil burner management loop VI.
Referring to Fig. 7, ground floor oil burner management loop IV contains: 3 with logic module, 4 NOT logic modules, 3 rest-set flip-flop modules, 6 or logic module, 3 time-delay logic modules, 7 pulse logic modules.
The input of the 1st pulse logic module 301 is that the output of boiler oil burner layer-management loop VII starts the ground floor oil burner, and output is to start first oil burner instruction of ground floor.
The input of the 1st time-delay logic module 302 is that the output of boiler oil burner layer-management loop VII starts the ground floor oil burner.
The input of the 8th NOT logic module 303 is that the output of boiler oil burner layer-management loop VII starts the ground floor oil burner.
The input of the 2nd pulse logic module 304 is that the output of boiler oil burner layer-management loop VII starts the ground floor oil burner.
The input of the 9th NOT logic module 305 is that first oil burner input of ground floor allows.
The 7th or the input of logic module 306 be that first oil burner of ground floor dropped into the output with the 9th NOT logic module 305.
The 13rd with the input of logic module 307 be the output and the 7th or the output of logic module 306 of the 2nd pulse logic module 304.
The 6th or the input of logic module 308 be the 1st time-delay logic module 302 output and the 13rd with the output of logic module 307.
The 3rd or the input of the set end of rest-set flip-flop module 309 be the 6th or the output of logic module 308, the reset terminal input is the output of the 8th NOT logic module 303.
The input of the 3rd pulse module 310 is the output of 3RS igniter module 309, and output is to start second oil burner instruction of ground floor.
The input of the 2nd time-delay logic module 311 is the output of upper level rest-set flip-flop, if the input of the words of every layer of 4 oil burner is the output of 3RS igniter module 309.
The input of the 4th pulse logic module 312 is the output of upper level rest-set flip-flop, if the input of the words of every layer of 4 oil burner is the output of 3RS igniter module 309.
The input of the 10th NOT logic module 313 is that ground floor n-2 props up the permission of oil burner input.
The 9th or the input of logic module 314 be that ground floor n-2 oil burner has dropped into the output with the 10th NOT logic module 313.
The 14th with the input of logic module 315 be the output and the 9th or the output of logic module 314 of the 4th pulse logic module 312.
The 8th or the input of logic module 316 be the 2nd time-delay logic module 311 output and the 14th with the output of logic module 315.
The input of the set end of 4RS igniter module 317 is the 8th or the output of logic module 316, and the reset terminal input is the output of the 8th NOT logic module 303.
The input of the 5th pulse module 318 is the output of 4RS igniter module 317, and output is to start ground floor n-1 to prop up the oil burner instruction.
The input of the 3rd time-delay logic module 319 is the output of 4RS igniter module 317.
The input of the 4th pulse logic module 312 is the output of 4RS igniter module 317.
The input of the 11st NOT logic module 321 is that ground floor n-1 props up the permission of oil burner input.
The 11st or the input of logic module 322 be that ground floor n-1 oil burner has dropped into the output with the 11st NOT logic module 321.
The 15th with the input of logic module 323 be the output and the 11st or the output of logic module 322 of the 6th pulse logic module 320.
The 10th or the input of logic module 324 be the 3rd time-delay logic module 319 output and the 15th with the output of logic module 323.
The input of the set end of 5RS igniter module 325 is the 10th or the output of logic module 324, and the reset terminal input is the output of the 8th NOT logic module 303.
The input of the 7th pulse module 326 is the output of 5RS igniter module 325, and output is to start ground floor n to prop up the oil burner instruction.
Second layer oil burner management loop V contains: 3 with logic module, 4 NOT logic modules, 3 rest-set flip-flop modules, 6 or logic module, 3 time-delay logic modules, 7 pulse logic modules, as shown in Figure 8.
The input of the 8th pulse logic module 401 is that the output of boiler oil burner layer-management loop VII starts second layer oil burner, and output is to start first oil burner instruction of the second layer.
The input of the 4th time-delay logic module 402 is that the output of boiler oil burner layer-management loop VII starts second layer oil burner.
The input of the 12nd NOT logic module 403 is that the output of boiler oil burner layer-management loop VII starts second layer oil burner.
The input of the 9th pulse logic module 404 is that the output of boiler oil burner layer-management loop VII starts second layer oil burner.
The input of the 13rd NOT logic module 405 is that first oil burner input of the second layer allows.
The 13rd or the input of logic module 406 be that first oil burner of the second layer dropped into the output with the 13rd NOT logic module 405.
The 16th with the input of logic module 407 be the output and the 13rd or the output of logic module 406 of the 9th pulse logic module 404.
The 12nd or the input of logic module 408 be the 4th time-delay logic module 402 output and the 16th with the output of logic module 407.
The 3rd or the input of the set end of rest-set flip-flop module 409 be the 12nd or the output of logic module 408, the reset terminal input is the output of the 12nd NOT logic module 403.
The input of the 10th pulse module 410 is the output of 6RS igniter module 409, and output is to start second oil burner instruction of the second layer.
The input of the 5th time-delay logic module 411 is the output of upper level rest-set flip-flop, if the input of the words of every layer of 4 oil burner is the output of 6RS igniter module 409.
The input of the 11st pulse logic module 412 is the output of upper level rest-set flip-flop, if the input of the words of every layer of 4 oil burner is the output of 6RS igniter module 409.
The input of the 14th NOT logic module 413 is that second layer n-2 props up the permission of oil burner input.
The 15th or the input of logic module 414 be that second layer n-2 oil burner has dropped into the output with the 14th NOT logic module 413.
The 17th with the input of logic module 415 be the output and the 15th or the output of logic module 414 of the 11st pulse logic module 412.
The 14th or the input of logic module 416 be the 5th time-delay logic module 411 output and the 17th with the output of logic module 415.
The input of the set end of 7RS igniter module 417 is the 14th or the output of logic module 416, and the reset terminal input is the output of the 12nd NOT logic module 403.
The input of the 12nd pulse module 418 is the output of 7RS igniter module 417, and output is to start second layer n-1 to prop up the oil burner instruction.
The input of the 4th time-delay logic module 419 is the output of 7RS igniter module 417.
The input of the 11st pulse logic module 412 is the output of 7RS igniter module 417.
The input of the 15th NOT logic module 421 is that second layer n-1 props up the permission of oil burner input.
The 17th or the input of logic module 422 be that second layer n-1 oil burner has dropped into the output with the 15th NOT logic module 421.
The 18th with the input of logic module 423 be the output and the 17th or the output of logic module 422 of the 13rd pulse logic module 420.
The 16th or the input of logic module 424 be the 4th time-delay logic module 419 output and the 18th with the output of logic module 423.
The input of the set end of 8RS igniter module 425 is the 16th or the output of logic module 424, and the reset terminal input is the output of the 12nd NOT logic module 403.
The input of the 14th pulse module 426 is the output of 8RS igniter module 425, and output is to start second layer n to prop up the oil burner instruction.
The 3rd layer of oil burner management loop VI contains: 3 with logic module, 4 NOT logic modules, 3 rest-set flip-flop modules, 6 or logic module, 3 time-delay logic modules, 7 pulse logic modules, as shown in Figure 9.
The input of the 15th pulse logic module 501 is that the output of boiler oil burner layer-management loop VII starts N layer oil burner, and output is to start first oil burner instruction of N layer.
The input of the 7th time-delay logic module 502 is that the output of boiler oil burner layer-management loop VII starts N layer oil burner.
The input of the 16th NOT logic module 503 is that the output of boiler oil burner layer-management loop VII starts N layer oil burner.
The input of the 16th pulse logic module 504 is that the output of boiler oil burner layer-management loop VII starts N layer oil burner.
The input of the 17th NOT logic module 505 is that first oil burner input of N layer allows.
The 19th or the input of logic module 506 be that first oil burner of N layer dropped into the output with the 17th NOT logic module 505.
The 19th with the input of logic module 507 be the output and the 19th or the output of logic module 506 of the 16th pulse logic module 504.
The 18th or the input of logic module 508 be the 7th time-delay logic module 502 output and the 19th with the output of logic module 507.
The 3rd or the input of the set end of rest-set flip-flop module 509 be the 18th or the output of logic module 508, the reset terminal input is the output of the 16th NOT logic module 503.
The input of the 17th pulse module 510 is the output of 9RS igniter module 509, and output is to start second oil burner instruction of N layer.
The input of the 8th time-delay logic module 511 is the output of upper level rest-set flip-flop, if the input of the words of every layer of 4 oil burner is the output of 9RS igniter module 509.
The input of the 18th pulse logic module 512 is the output of upper level rest-set flip-flop, if the input of the words of every layer of 4 oil burner is the output of 9RS igniter module 509.
The input of the 18th NOT logic module 513 is that N layer n-2 props up the permission of oil burner input.
The 21st or the input of logic module 514 be that N layer n-2 oil burner has dropped into the output with the 18th NOT logic module 513.
The 20th with the input of logic module 515 be the output and the 21st or the output of logic module 514 of the 18th pulse logic module 512.
The 20th or the input of logic module 516 be the 8th time-delay logic module 511 output and the 20th with the output of logic module 515.
The input of the set end of 10RS igniter module 517 is the 20th or the output of logic module 516, and the reset terminal input is the output of the 16th NOT logic module 503.
The input of the 19th pulse module 518 is the output of 10RS igniter module 517, and output is to start N layer n-1 to prop up the oil burner instruction.
The input of the 9th time-delay logic module 519 is the output of 10RS igniter module 517.
The input of the 18th pulse logic module 512 is the output of 10RS igniter module 517.
The input of the 19th NOT logic module 521 is that N layer n-1 props up the permission of oil burner input.
The 23rd or the input of logic module 522 be that N layer n-1 oil burner has dropped into the output with the 19th NOT logic module 521.
The 21st with the input of logic module 523 be the output and the 23rd or the output of logic module 522 of the 20th pulse logic module 520.
The 22nd or the input of logic module 524 be the 9th time-delay logic module 519 output and the 21st with the output of logic module 523.
The input of the set end of 11RS igniter module 525 is the 22nd or the output of logic module 524, and the reset terminal input is the output of the 16th NOT logic module 503.
The input of the 21st pulse module 526 is the output of 11RS igniter module 525, and output is to start N layer n to prop up the oil burner instruction.
Claims (5)
1, a kind of automatic control method for boiler oil burner, step is as follows:
A, full burner hearth oil burner is divided stratification: it is to be one deck with the oil burner that is in same level height that coner firing boiler layer is divided; For the oil burner that liquidates that front-back wall is arranged, if ignition process needs front wall to drop into one, back wall drops into one successively, and then layer is divided and is defined as one deck with the same level height of front-back wall; If putting into operation of front wall is irrelevant with the back wall, then the same level height of front wall is one deck, and the same level height of back wall is one deck;
B, when receiving oil burner input or exit instruction, at first the ignition order that requires according to the boiler factory from top to bottom, from front to back, is the operation that unit starts and stops transport with the layer;
Oil burner puts into operation quantity more than or equal to 80% of layer burner sum in the c, definition layer, can think that this layer oil burner puts into operation, enters down one deck oil burner and puts into operation and put into operation until whole layers of oil burner;
D, put into operation or stop transport when instruction as layer, according to the order of the prior art standard corresponding oil burner that puts into operation successively, in putting into operation process, every oil burner checks the situation that puts into operation of burner and the enabled condition that puts into operation, do not allow that next burner then puts into operation rapidly as putting into operation or dropping into.
2, a kind of boiler oil burner as claimed in claim 1 device of control automatically of realizing is characterized in that including:
Oil burner layer input corresponding to oil burner number of plies N judged the loop, and the signal of input that it imports each oil burner of this layer exports boiler oil burner layer-management loop to;
Oil burner firing command, last oil burner startup failure signal of each layer are also imported in a boiler oil burner layer-management loop, export the enabled instruction of each layer oil burner to each oil burner management loop;
Corresponding to the layer oil burner management loop of oil burner number of plies N, its input of importing each oil burner of this layer allows signal and has dropped into signal and the enabled instruction of each layer oil burner, each oil burner firing command of exporting this layer.
3, the automatic device of control of boiler oil burner according to claim 1, it is characterized in that: described each oil burner layer input judges that loop contains: counting module, with logic module and or logic module.Counting module, with logic module and or the input of logic module is that first oil burner of this layer drops into, second oil burner of this layer drops into ..., this layer n prop up oil burner and dropped into common n input, have m (n/m is more than or equal to 80%) to be input as true time in n input, it is true that this layer of counting module output FOUT oil burner drops into signal; When n input is true time all, export all oil burner of this layer and all dropped into signal for true; Arbitrary signal is a true time in n input, exports all oil burner of this layer and has all dropped into signal for true; Counting module, with logic module and or the output of logic module all deliver to boiler oil burner layer-management loop; Wherein: n is this layer oil burner sum, and m is a self-defining integer less than n.
4, the device of the automatic control of boiler oil burner according to claim 1, it is characterized in that: with oil burner number of plies N=3 is example, and described boiler oil burner layer-management loop contains: 9 with logic module, 7 NOT logic modules, 2 rest-set flip-flop modules, 2 or logic module;
The input of the 1st NOT logic module (201) is the 1st layer of first output with logic module (102);
The 4th with the input of logic module (202) be the 2nd layer the 2nd or the output of logic module (106) and the output FOUT of the 1st layer of the 1st counting module (101), output is as the input of the 2nd NOT logic module (203);
The 10th with the input of logic module (205) be oil burner enabled instruction, the 1st NOT logic module (201) output, the 2nd NOT logic module (203) output and the 13rd with the output of logic module (215), output to ground floor oil burner management loop (IV);
The 5th with the input of logic module (206) be that ground floor n props up burner and dropped into output with the 1st counting module (101);
The 6th with the input of logic module (207) be that ground floor n props up the output that burner starts failure and the 1st counting module (101);
The input of the set end of 1RS trigger logic module (209) be the 6th with logic module (207), the input of reset terminal is the output FOUT of the 1st counting module (101);
The 4th or the input of logic module (209) be the 4th with the output of logic module (202), the 5th with the output of logic module (206) with outputs 1RS igniter module (208);
The input of the 3rd NOT logic module (210) be the 2nd with the output of logic module (105);
The 7th with the input of logic module (212) be the 3rd or the output of logic module (109) and the output FOUT of the 2nd counting module (104), output is as the input of the 4th NOT logic module (213);
The 11st with the input of logic module (211) be oil burner enabled instruction, the 4th or the output of logic module (209), the output of the 3rd NOT logic module (210), the output of the 4th NOT logic module (213) and the output of the 7th NOT logic module (219), output second layer oil burner management loop (V);
The 8th with the input of logic module (214) be that second layer n props up burner and dropped into output FOUT with the 2nd counting module (104);
The 9th with the input of logic module (215) be that second layer n props up the output FOUT that burner starts failure and the 2nd counting module (104), output to the set end of 2RS igniter module (216), the reset terminal of 2RS igniter module (216) is the 3rd or the output of logic module (109);
The 5th or the input of logic module (209) be the 7th with the output of logic module (212), the 8th with the output of logic module (214) with outputs 2RS igniter module (216);
The input of the 5th NOT logic module (218) be the 3rd with the output of logic module (108);
The 12nd with the input of logic module (220) be oil burner enabled instruction, the 5th or logic module (217) and the 5th NOT logic module (218), output to N layer oil burner management loop (VI).
5, the device of the automatic control of boiler oil burner according to claim 2, it is characterized in that: described each layer oil burner management loop contains: 3 with logic module, 4 NOT logic modules, 3 rest-set flip-flop modules, 6 or logic module, 3 time-delay logic modules, 7 pulse logic modules;
The input of the 15th pulse logic module (501) is that the output in boiler oil burner layer-management loop (VII) starts this layer oil burner, and output is to start first oil burner instruction of this layer;
The input of the 7th time-delay logic module (502) is that the output in boiler oil burner layer-management loop (VII) starts this layer oil burner;
The input of the 16th NOT logic module (503) is that the output in boiler oil burner layer-management loop (VII) starts this layer oil burner;
The input of the 16th pulse logic module (504) is that the output in boiler oil burner layer-management loop (VII) starts this layer oil burner;
The input of the 17th NOT logic module (505) is that first oil burner input of this layer allows;
The 19th or the input of logic module (506) be that first oil burner of this layer dropped into the output with the 17th NOT logic module (505);
The 19th with the input of logic module (507) be the output and the 19th or the output of logic module (506) of the 16th pulse logic module (504);
The 18th or the input of logic module (508) be the 7th time-delay logic module (502) output and the 19th with the output of logic module (507);
The 3rd or the input of the set end of rest-set flip-flop module (509) be the 18th or the output of logic module (508), the reset terminal input is the output of the 16th NOT logic module (503);
The input of the 17th pulse module (510) is the output of 9RS igniter module (509), and output is to start second oil burner instruction of this layer;
The input of the 8th time-delay logic module (511) is the output of upper level rest-set flip-flop, if the input of the words of every layer of 4 oil burner is the output of 9RS igniter module (509);
The input of the 18th pulse logic module (512) is the output of upper level rest-set flip-flop, if the input of the words of every layer of 4 oil burner is the output of 9RS igniter module (509);
The input of the 18th NOT logic module (513) is that this layer n-2 props up the permission of oil burner input;
The 21st or the input of logic module (514) be that this layer n-2 oil burner has dropped into the output with the 18th NOT logic module (513);
The 20th with the input of logic module (515) be the output and the 21st or the output of logic module (514) of the 18th pulse logic module (512);
The 20th or the input of logic module (516) be the 8th time-delay logic module (511) output and the 20th with the output of logic module (515);
The input of the set end of 10RS igniter module (517) is the 20th or the output of logic module (516), and the reset terminal input is the output of the 16th NOT logic module (503);
The input of the 19th pulse module (518) is the output of 10RS igniter module (517), and output is to start this layer n-1 to prop up the oil burner instruction;
The input of the 9th time-delay logic module (519) is the output of 10RS igniter module (517);
The input of the 18th pulse logic module (512) is the output of 10RS igniter module (517);
The input of the 19th NOT logic module (521) is that this layer n-1 props up the permission of oil burner input;
The 23rd or the input of logic module (522) be that this layer n-1 oil burner has dropped into the output with the 19th NOT logic module (521);
The 21st with the input of logic module (523) be the output and the 23rd or the output of logic module (522) of the 20th pulse logic module (520);
The 22nd or the input of logic module (524) be the 9th time-delay logic module (519) output and the 21st with the output of logic module (523);
The input of the set end of 11RS igniter module (525) is the 22nd or the output of logic module (524), and the reset terminal input is the output of the 16th NOT logic module (503);
The input of the 21st pulse module (526) is the output of 11RS igniter module (525), and output is to start this layer n to prop up the oil burner instruction.
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| CN103324162A (en) * | 2013-05-24 | 2013-09-25 | 国家电网公司 | Optimum control method of three operating devices |
| CN106642194A (en) * | 2016-12-28 | 2017-05-10 | 中国能源建设集团华北电力试验研究院有限公司 | Automatic oil gun control method under fuel oil (gas) unit coordination |
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| CN200949838Y (en) * | 2006-04-14 | 2007-09-19 | 北京国电华源控制技术有限公司 | Boiler whirlwind oilless lighting start device |
| CN101469861A (en) * | 2007-03-30 | 2009-07-01 | 王聪会 | Novel high-power pressurized phase change boiler plant |
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| CN103324162A (en) * | 2013-05-24 | 2013-09-25 | 国家电网公司 | Optimum control method of three operating devices |
| CN103324162B (en) * | 2013-05-24 | 2017-03-29 | 国家电网公司 | The method for optimally controlling of three operation equipment |
| CN106642194A (en) * | 2016-12-28 | 2017-05-10 | 中国能源建设集团华北电力试验研究院有限公司 | Automatic oil gun control method under fuel oil (gas) unit coordination |
| CN111853750A (en) * | 2020-07-07 | 2020-10-30 | 中国电建集团江西省电力建设有限公司 | Machine-furnace electric large-interlocking operation method and debugging method for two-furnace one-machine main pipe control unit |
| CN112161293A (en) * | 2020-08-19 | 2021-01-01 | 华电电力科学研究院有限公司 | Optimization control method for improving boiler fuel oil automatic ignition success rate |
| CN112354672A (en) * | 2020-10-16 | 2021-02-12 | 内蒙古京能康巴什热电有限公司 | Control method for output of coal mill in ignition process of boiler |
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