CN102538003B - Ignition control method for spray granulation tower burner and ignition control device - Google Patents
Ignition control method for spray granulation tower burner and ignition control device Download PDFInfo
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- CN102538003B CN102538003B CN201210001097.9A CN201210001097A CN102538003B CN 102538003 B CN102538003 B CN 102538003B CN 201210001097 A CN201210001097 A CN 201210001097A CN 102538003 B CN102538003 B CN 102538003B
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Abstract
The invention discloses an ignition control method for a spray granulation tower burner and an ignition control device. The ignition control device comprises a controller, a primary oil supply electromagnetic valve, a secondary oil supply electromagnetic valve, an oil spray pump motor, an ignition transformer and a photosensitive detector. Firstly, the controller sequentially turns on the oil spray pump motor and the ignition transformer, then, the primary oil supply electromagnetic valve is opened so that the burner enters at most twice ignition state, when the ignition is successful, the controller opens the secondary oil supply electromagnetic valve, then, the ignition transformer is turned off, and the secondary oil supply electromagnetic valve and a hearth temperature compensation unit of the spray granulation tower form a temperature closed loop control loop. When the ignition is not successful, the controller closes the primary oil supply electromagnetic valve and the secondary oil supply electromagnetic valve and turns off the oil spray pump motor, and in addition, a fault indicating lamp illuminates.
Description
Technical field
The present invention relates to the burner firing technique for mist projection granulating tower, more particularly relate to a kind of ignition control method and device thereof for mist projection granulating tower burner.
Background technology
Mist projection granulating tower is for the powdery raw material of producing magnetic material are carried out after heating, drying, forms granular material and enters the equipment of lower road production process.The technical process of mist projection granulating tower is as follows: diesel oil is burnt in combustion chamber by burner, then the high-temperature gas of burning is delivered in mist projection granulating tower, magnetic material is carried out to heating and the baking of regular hour, make this magnetic material form graininess, deliver to next procedure as semi-finished product.Burner only has the continuous burning of employing mode, remains the temperature of manufacturing technique requirent in guarantee mist projection granulating tower.The igniter of existing burner adopts Single-chip Controlling mode, single-chip microcomputer needs to carry out program composition in program making process, fire and the process such as field adjustable, attract thus a series of inconvenient factors, the modification of program particularly causing in debug process at the scene, fire etc., owing to remaining with the flame-out function of timing in single-chip microcomputer manufacturing process, can cause equipment to occur regular, periodically flame-out phenomenon, for example average every operation is stopped working once for 22 hours, after burner is flame-out, need to adopt manual reset can continue just now operation, this process needed about 10 minutes used times, the sky of diesel oil burns during this period, the generation of material powder not up to standard all can cause unnecessary loss, increase thus production cost, reduce product recovery rate.
Summary of the invention
Igniter for the burner existing in prior art adopts Single-chip Controlling mode, cause can causing in process of production equipment to occur regular, flame-out problem periodically, the object of this invention is to provide a kind of ignition control method and device thereof for mist projection granulating tower burner, avoided the middle flame-out problem of burner.
For achieving the above object, the present invention adopts following technical scheme:
According to an aspect of the present invention, provide a kind of ignition control method for mist projection granulating tower burner, the concrete steps of this ignition control method are:
A. controller starts after injection pump motor and ignition transformer successively, opens one-level for solenoid, makes burner enter fired state;
B. detected the fired state of burner by photosensitive detector, as light a fire successfully, directly perform step E;
C. controller carries out refire time control, closes one-level for again opening one-level for solenoid by the time delay of some seconds after solenoid, and detects burner fired state by photosensitive detector, as light a fire successfully, directly performs step E;
D. controller cuts out one-level and supplies solenoid and injection pump motor for solenoid, secondary, and lights malfunction indicator lamp, directly performs step F;
E. controller opens secondary and cuts out ignition transformer for after solenoid, forms temperature closed loop control loop by secondary for the fire box temperature compensating unit of solenoid and mist projection granulating tower.
F. igniting finishes.
Described controller is controlled respectively one-level by four relays and is supplied solenoid, injection pump motor and ignition transformer for solenoid, secondary.
The input voltage of described controller is direct current 24V.
According to a further aspect in the invention, a kind of ignition control device for mist projection granulating tower burner is also provided, comprise that controller, one-level supply solenoid, injection pump motor, ignition transformer and photosensitive detector for solenoid, secondary, described one-level is all connected with controller for solenoid, injection pump motor, ignition transformer and photosensitive detector for solenoid, secondary; One end of described ignition transformer is also stretched in the burner hearth of mist projection granulating tower; Described injection pump motor stretches into respectively in the burner hearth of mist projection granulating tower by two oil pipelines, wherein an oil pipeline is by one-level fuel feeding solenoid control, another oil pipeline is by secondary fuel feeding solenoid control, and the oil pipeline being connected for solenoid with one-level is located at the below of ignition transformer; One end of described photosensitive detector is also stretched in burner.
Described ignition control device also comprises relay, and described controller is connected for solenoid, injection pump motor and ignition transformer for solenoid, secondary with one-level by relay respectively.
The input voltage of described controller is direct current 24V.
Compared with prior art, adopt a kind of ignition control method and device thereof for mist projection granulating tower burner of the present invention, comprise controller, one-level is for solenoid, secondary is for solenoid, injection pump motor, ignition transformer and photosensitive detector, first, controller starts after injection pump motor and ignition transformer successively, open one-level for solenoid, make burner enter the fired state of maximum twice, as light a fire successfully, controller opens secondary and cuts out ignition transformer for after solenoid, form temperature closed loop control loop by one-level for the fire box temperature compensating unit of solenoid and mist projection granulating tower.As it is unsuccessful to light a fire, controller cuts out one-level and supplies solenoid and injection pump motor, and light malfunction indicator lamp for solenoid, secondary.Because whole ignition process is all controlled by controller, the feature such as therefore controller has simplicity of design, flexible in programming compared with single-chip microcomputer, easy to maintenance, fault analysis and handling is easy.
Ignition control method of the present invention and device thereof also have the following advantages:
1) solved the middle flame-out problem of crucial burner.
2) more accurate to the SECO in technical process by controller, what make that equipment moves in process of production is more reliable.
3) by the collection to on-site signal, the signal collecting is sent into controller, make the more stable of equipment operation by controller, and by program, equipment has been carried out to multi-stage protection effectively.
4) reduce the regular maintenance content of control system, alleviated attendant's workload.
Brief description of the drawings
Fig. 1 is the flow chart of a kind of ignition control method for mist projection granulating tower burner of the present invention;
Fig. 2 is the schematic flow sheet of the embodiment 1 of ignition control method of the present invention;
Fig. 3 is the structural representation of a kind of ignition control device for mist projection granulating tower burner of the present invention.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with drawings and Examples.
Refer to a kind of ignition control method 10 for mist projection granulating tower burner shown in Fig. 1, the concrete steps of this ignition control method are:
11. controllers start after injection pump motor and ignition transformer successively, open one-level for solenoid, make burner enter fired state;
12. detect the fired state of burner by photosensitive detector, as light a fire successfully, directly perform step 15;
13. controllers carry out refire time control, close one-level for again opening one-level after solenoid for solenoid, and detect burner fired state by photosensitive detector, as light a fire successfully, directly perform step 15;
14. controllers cut out one-level and supply solenoid and injection pump motor for solenoid, secondary, and light malfunction indicator lamp, directly perform step 16;
15. controllers open secondary and cut out ignition transformer for after solenoid, oil pipeline by one-level fuel feeding solenoid control provides basic furnace temperature to the burner hearth of mist projection granulating tower, form temperature closed loop control loop by the oil pipeline of secondary fuel feeding solenoid control of the prior art and the fire box temperature compensating unit of mist projection granulating tower, according to the temperature of the needed manufacturing technique requirent of predefined burner hearth, furnace temperature is carried out to temperature adjusting.
16. igniting finish.
Described controller is controlled respectively one-level by four relays and is supplied solenoid, injection pump motor and ignition transformer for solenoid, secondary, and Guarantee control system moves safely and reliably.
The input voltage of described controller adopts direct current 24V.
Refer to the embodiment according to ignition control method of the present invention shown in Fig. 2, this embodiment comprises the following steps again:
Burner carries out ignition trigger by start button on operation board, after ignition trigger starts, carries out IGNITION CONTROL by Programmable Logic Controller PLC, first starts injection pump motor, and after the normal work of Oil pump electrical machinery to be painted, burner starts normal fuel injection.
By Programmable Logic Controller PLC starting ignition transformer, time delay is opened one-level for solenoid after ten seconds.After one-level is opened for solenoid, be whether the igniting of photo resistance detection burner is successful through time delay in ten seconds by photosensitive detector.As light a fire successfully, Programmable Logic Controller PLC opens secondary for solenoid, and burner enters normal operating conditions.
When burner enters after normal operating conditions, through time delay in ten seconds, close ignition transformer.
Burner enters after normal operating conditions, secondary by the furnace temperature of the fire box temperature compensating unit adjustable spraying granulation tower burner hearth of existing mist projection granulating tower, carries out closed-loop control by the needed temperature of the normal work of predefined mist projection granulating tower burner hearth to it for solenoid.
In ignition process, in ten seconds, do not receive the detection signal of photo resistance, represent light a fire for the first time unsuccessful after.Now Programmable Logic Controller PLC will carry out refire time control.
While entering regnition control, first close one-level for solenoid, by time delay in five seconds, again open one-level for solenoid, whether successfully detect burner igniting through time delay in ten seconds by photosensitive detector.As the successful Programmable Logic Controller PLC unlatching secondary confession solenoid of lighting a fire, burner enters normal operating conditions.
As regnition failure again, Programmable Logic Controller PLC will close one-level and supply solenoid and injection pump motor, and light the malfunction indicator lamp on operation board for solenoid, secondary.
Refer to a kind of ignition control device 20 for mist projection granulating tower burner shown in Fig. 3 and comprise that Programmable Logic Controller PLC21, one-level supply solenoid 23, injection pump motor 24, ignition transformer 25 and photosensitive detector 26 for solenoid 22, secondary, one-level is all connected with Programmable Logic Controller PLC for solenoid 23, injection pump motor 24, ignition transformer 25 and photosensitive detector 26 for solenoid 22, secondary, and one end of ignition transformer 25 is also stretched in the burner hearth 51 of mist projection granulating tower 50.Injection pump motor 24 stretches into respectively by two oil pipelines 27 in the burner hearth 51 of mist projection granulating tower 50, wherein an oil pipeline 27 is controlled for solenoid 22 by one-level, another oil pipeline 27 is controlled for solenoid 23 by secondary, and the below of ignition transformer 25 is located in one end of the oil pipeline 27 being connected for solenoid 22 with one-level; One end of photosensitive detector 26 is also stretched in burner 52.
For Guarantee control system moves safely and reliably, Programmable Logic Controller PLC21 input signal adopts direct current 24V voltage signal, and Programmable Logic Controller PLC21 controls for equipment such as solenoid 23, injection pump motor 24 and ignition transformers 25 for solenoid 22, secondary one-level with isolation method by different relay (not shown)s respectively.
It is pointed out that ignition control device of the present invention and ignition control method of the present invention are same or similar in principle and implementation procedure, therefore its repeating part does not repeat them here.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for object of the present invention is described, and not as limitation of the invention, as long as in essential scope of the present invention, variation, modification to the above embodiment all will drop in the scope of claim of the present invention.
Claims (3)
1. for an ignition control method for mist projection granulating tower burner, it is characterized in that:
The concrete steps of this ignition control method are:
A. controller starts after injection pump motor and ignition transformer successively, opens one-level for solenoid, makes burner enter fired state;
B. detected the fired state of burner by photosensitive detector, as light a fire successfully, directly perform step E;
C. controller carries out refire time control, closes one-level for again opening one-level for solenoid by the time delay of some seconds after solenoid, and detects burner fired state by photosensitive detector, as light a fire successfully, directly performs step E;
D. controller cuts out one-level and supplies solenoid and injection pump motor for solenoid, secondary, and lights malfunction indicator lamp, directly performs step F;
E. controller opens secondary and cuts out ignition transformer for after solenoid, forms temperature closed loop control loop by secondary for the fire box temperature compensating unit of solenoid and mist projection granulating tower;
F. igniting finishes.
2. ignition control method according to claim 1, is characterized in that:
Described controller is controlled respectively one-level by four relays and is supplied solenoid, injection pump motor and ignition transformer for solenoid, secondary.
3. ignition control method according to claim 1, is characterized in that:
The input voltage of described controller is direct current 24V.
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CN102538003B true CN102538003B (en) | 2014-07-30 |
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CN2232531Y (en) * | 1995-09-18 | 1996-08-07 | 大连华寅电子技术有限公司 | Automatic burning controller |
JP3766814B2 (en) * | 2002-07-05 | 2006-04-19 | オリオン機械株式会社 | Catalytic combustion apparatus and control method thereof |
CN200972140Y (en) * | 2006-11-16 | 2007-11-07 | 乳源东阳光磁性材料有限公司 | Self-control burning machine |
JP2008185318A (en) * | 2007-01-31 | 2008-08-14 | Noritz Corp | Combustion apparatus |
CN202024361U (en) * | 2010-12-30 | 2011-11-02 | 但忠民 | Ignition controller capable of monitoring automatically |
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