CN102541099B - Burning furnace burden level control design method, control device and control method - Google Patents
Burning furnace burden level control design method, control device and control method Download PDFInfo
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- CN102541099B CN102541099B CN2012100099357A CN201210009935A CN102541099B CN 102541099 B CN102541099 B CN 102541099B CN 2012100099357 A CN2012100099357 A CN 2012100099357A CN 201210009935 A CN201210009935 A CN 201210009935A CN 102541099 B CN102541099 B CN 102541099B
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Abstract
The invention relates to a burning furnace burden level control design method, a control device and a control method. The design method comprises the following steps of: designing a settled position and a relative position for burning furnace burden according to the sizes of a hearth and a furnace mouth or by combining burning firepower; stopping a feeding device from feeding by using a feeding control device when the position of the furnace burden in the hearth is higher than the settled position; and starting the feeding device to feed by using the feeding control device when the position of the furnace burden in the hearth is lower than the settled position, wherein the position of the furnace burden after the feeding device is started each time is higher than the settled position; the position which is higher than the settled position is the relative position for burning the furnace burden; and in a stable burning interval, the furnace burden is burnt between the settled position and the relative position. The feeding process is controlled by using the settled position of the burden level of a fuel in the hearth; and through reciprocating work, the position of the fuel in the hearth is stabilized, sustained burning is realized, and a persistent long-term fire demand is met.
Description
Technical field
The invention belongs to solid-fuelled domestic burners or kitchen range, the burning furnace burden level that relates to the combustion furnace of the Full automatic feed that a kind of fuel burns is from top to bottom controlled method for designing and control device and control method.
Background technology
Fuel takes the burner of top-down combustion system through development, existing feed arrangement is as " enclosed biomass fuel feeder ", the patent No.: CN200820185125.6, the upper end of screw is provided with the plate-turning door device that is communicated with this screw, the plate-turning door device is provided with the charging aperture of fuel, the lower end of screw and a metering feed bin are interconnected, and in the metering feed bin, are provided with and detect fuel height material-level detecting device; " a kind of combustion furnace of Full automatic feed and burner hearth fuel charging device " CN201110072JS3.7 of holding of applicant and for example, adopt mobile supply, the mode of pusher charging, by the circulation supply, constantly advance and realize continuing the uninterrupted fuel that adds, can meet continuation and use for a long time fiery demand.Although can realize, continue the uninterrupted fuel that adds, the control of burning furnace burden level is also existed to certain deficiency, can not effectively control the relation of material level and charging.As can be seen here, the prior art scheme also is difficult to meet people's actual needs.
Summary of the invention
The burning furnace burden level control method for designing and control device and the control method that provide a kind of material level by burner hearth fuel to control charging are provided the object of the invention.
It is as follows that one of the object of the invention technical scheme is controlled method for designing:
First according to burner hearth and fire door size, or again in conjunction with the size of combusting firepower, design position location and the relative position of furnace charge burning;
When the burner hearth furnace charge, higher than position location, make feed arrangement stop charging by feed control device; When the burner hearth furnace charge, lower than position location, start the feed arrangement charging by feed control device;
Furnace charge position after the charging of each startup feed arrangement will be higher than position location, and this position higher than position location is the relative position of furnace charge burning, and furnace charge is the smooth combustion interval while between position location and relative position, burning.
Preferably: the detection signal emission port of detection signal emitter is corresponding with the both sides level that the detection signal receiving port of detection signal receiving trap is in burner hearth, the horizontal level of its emission line is the position location of furnace charge burning, and the detection signal emitter is connected with feed control device with the detection signal receiving trap;
Higher than position location, the detection signal receiving trap makes feed arrangement stop charging by feed control device when the burner hearth furnace charge; Lower than position location, the detection signal receiving trap receives and transmits and start the feed arrangement charging by feed control device when the burner hearth furnace charge.
Two control device of the object of the invention technical scheme are as follows:
It comprises detection signal emitter, detection signal receiving trap and feed control device, the detection signal emission port is corresponding with the both sides level in the detection signal receiving port is in burner hearth, the horizontal emission line of detection signal emission port is the position location of furnace charge burning, and the detection signal emitter is connected with feed control device with the detection signal receiving trap.
The detection signal emitting head of described detection signal emitter is connected with detection signal emitting head bearing, detection signal emitting head bearing is connected with burner hearth, one end of detection signal emitting head bearing is the emitting head interface outside burner hearth, the other end is the detection signal emission port in burner hearth; The detection signal Receiver of detection signal receiving trap is connected with detection signal Receiver bearing, and an end of detection signal Receiver bearing is the Receiver interface outside burner hearth, and the other end is the detection signal receiving port in burner hearth; The detection signal emitting head connects with control circuit by detection signal emitting head binding post, and the detection signal Receiver connects with control circuit by detection signal Receiver binding post.
Detection signal emitting head cooling duct is connected with detection signal emitting head bearing, and detection signal emitting head cooling air valve is connected with detection signal emitting head bearing; Detection signal Receiver cooling air valve is connected with detection signal Receiver bearing, and the detection signal cooling duct is connected with detection signal Receiver bearing.
Control circuit in feed control device is: the first protective tube P1 mono-end connects with the alternating current 220V power supply, and the other end and transformer B wherein an input end connect, and another input end of transformer B connects with the alternating current 220V power supply; The second protective tube P2 wherein an end and transformer B wherein an output terminal connect, the bridge full wave rectifier that the other end and four commutation diode D1-D4 form a wherein input end is connected, another input end of bridge full wave rectifier connects with another output terminal of transformer B, the bridge full wave rectifier negative pole of output end is the common ground end, other end output positive voltage; The first capacitor C1 and the first capacitor C2 are in parallel with the control circuit power supply respectively; Transmitter FS is in parallel with the control power supply; Receiver JS is in parallel with the control power supply; The output terminal of receiver JS connects with the relay J control end, the 5th diode D5 is in parallel with relay J two control ends, relay J two a control ends wherein end connect with receiver JS output terminal, the other end connects with control power supply common port, relay J normally opened contact input termination 220V power supply, output terminal connects with the 220V power supply after with the charging motor M, connecting.
The control method of three control device of the object of the invention technical scheme is as follows:
The 220V alternating current enters transformer B through the first protective tube P1, alternating current after transformer B step-down through the second protective tube P2 by four commutation diode D1-D4 full-wave rectification, the first capacitor C1 and the first capacitor C2 carry out filtering to Rectified alternating current, make transmitter FS, receiver JS and relay J obtain stable DC supply; Transmitter FS sends the material level detection signal to receiver JS;
When receiver JS receives detection signal, output terminal output noble potential, pilot relay J adhesive, relay J normally opened contact closure, motor M starts, and feeding mechanism is to the burner hearth charging;
When fuel height arrived desired location, the detection signal that transmitter FS emits stopped by fuel, and receiver JS output terminal becomes electronegative potential, and relay J discharges, and motor M stops operating, and feeding mechanism stops the burner hearth charging.
The present invention first designs position location and the relative position of furnace charge burning, fill process is controlled in the position location of the material level by burner hearth fuel, by working in reciprocating mode, makes burner hearth fuel position keep stable, realize sustained combustion, meet continuation and use for a long time fiery demand.
The accompanying drawing explanation
The structural representation of Fig. 1, the embodiment of the present invention 1.
The circuit theory schematic diagram of Fig. 2, the embodiment of the present invention 1.
In Fig. 1: detection signal emitting head 1, detection signal emitting head binding post 2, detection signal emitting head bearing 3, detection signal emitting head cooling duct 4, detection signal emitting head cooling air valve 5, burner hearth 6,. feed pipe 7, detection signal Receiver cooling air valve 8, detection signal Receiver cooling duct 9, detection signal Receiver bearing 10, detection signal Receiver binding post 11, detection signal Receiver 12, detection signal emission port 13, detection signal receiving port 14.
Embodiment
The present invention can specifically implement by the technical scheme in summary of the invention, and by the following examples can the invention will be further described, yet scope of the present invention is not limited to following embodiment.
Embodiment 1:
It comprises detection signal emitter, detection signal receiving trap and feed control device, in the both sides of burner hearth 6, be provided with detection signal emitter and detection signal receiving trap, the detection signal emission port is corresponding with the both sides level in the detection signal receiving port is in burner hearth 6, and the horizontal emission line of detection signal emission port is the position location of furnace charge burning.
The detection signal emitting head 1 of described detection signal emitter is connected with detection signal emitting head bearing 3, detection signal emitting head bearing 3 is connected with burner hearth 6, one end of detection signal emitting head bearing 3 is the emitting head interface outside burner hearth 6, the other end is detection signal emission port 13 in burner hearth 6; Burner hearth 6 is connected with feed pipe 7.The detection signal Receiver 12 of detection signal receiving trap is connected with detection signal Receiver bearing 10, and an end of detection signal Receiver bearing 10 is the Receiver interface outside burner hearth 6, and the other end is detection signal receiving port 14 in burner hearth 6; Detection signal emitting head 1 connects with the power supply of control circuit by detection signal emitting head binding post 2, and detection signal Receiver 12 connects with the power supply of control circuit and the control end of relay J by detection signal Receiver binding post 11.
Detection signal emitting head cooling duct 4 is connected with a detection signal puberty bearing 3, and detection signal emitting head cooling air valve 5 is connected with detection signal emitting head bearing 3; Detection signal Receiver cooling air valve 8 is connected with detection signal Receiver bearing 10, and detection signal cooling duct 9 is connected with detection signal Receiver bearing 10.
Control circuit in feed control device is: the first protective tube P1 mono-end connects with the alternating current 220V power supply, and the other end and transformer B wherein an input end connect, and another input end of transformer B connects with the alternating current 220V power supply; The second protective tube P2 wherein an end and transformer B wherein an output terminal connect, the bridge full wave rectifier that the other end and four commutation diode D1-D4 form a wherein input end is connected, another input end of bridge full wave rectifier connects with another output terminal of transformer B, the bridge full wave rectifier negative pole of output end is the common ground end, other end output positive voltage; The first capacitor C1 and the first capacitor C2 are in parallel with the control circuit power supply respectively; Transmitter FS is in parallel with the control power supply; Receiver JS is in parallel with the control power supply; The output terminal of receiver JS connects with the relay J control end, the 5th diode D5 is in parallel with relay J two control ends, relay J two a control ends wherein end connect with receiver JS output terminal, the other end connects with control power supply common port, relay J normally opened contact input termination 220V power supply, output terminal connects with the 220V power supply after with the charging motor M, connecting.
The control method of control device is as follows:
In Fig. 2, the 220V alternating current enters transformer B through the first protective tube P1, alternating current after transformer B step-down through the second protective tube P2 by four commutation diode D1-D4 full-wave rectification, the first capacitor C1 and the first capacitor C2 carry out filtering to Rectified alternating current, make transmitter FS, receiver JS and relay J obtain stable DC supply; Transmitter FS sends the material level detection signal to receiver JS;
When receiver JS receives detection signal, output terminal output noble potential, pilot relay J adhesive, relay J normally opened contact closure, motor M starts, and feeding mechanism is to the burner hearth charging;
When fuel height arrived desired location, the detection signal that transmitter FS emits stopped by fuel, and receiver JS output terminal becomes electronegative potential, and relay J discharges, and motor M stops operating, and feeding mechanism stops the burner hearth charging.
Furnace charge position after the charging of each startup feed arrangement will be higher than position location, this position higher than position location is the relative position of furnace charge burning, furnace charge is the smooth combustion interval while between position location and relative position, burning, when this interval burning, without charging.
The 5th diode D5 is the relay J back-pressure absorption diode in when work, in case produce back-pressure breakdown potential sub-element during relay work.In Fig. 1, fuel enters burner hearth 6 from feed pipe 7, and when material level surpassed detection signal emission port 13 and detection signal receiving port 14, detection signal was stopped by fuel, detection signal emitting head 1 can't provide detection signal to detection signal Receiver 12, and feeding mechanism quits work.Material level is burned to lower than detection signal emitting head 1 and detection signal Receiver 12 time.Detection signal Receiver 12 regains detection signal, and feeding mechanism recovers charging, continues to burner hearth 6 chargings, and working in reciprocating mode, make burner hearth 6 fuel positions keep stable like this.Detection signal emitting head cooling duct 4 passes through detection signal emitting head bearing 3 to the interior air blast of burner hearth 6, detection signal Receiver cooling duct 9 to the interior air blast of burner hearth 6, makes the interior hot gas of burner hearth 6 and not pollution detection of dust signal emitting head 1 and detection signal Receiver 12 by detection signal Receiver bearing 10.During burning, detection signal emitting head cooling air valve 5 and detection signal Receiver cooling air valve 8 are opened, and close while closing fire, play heat insulation, dustproof and close fire action.
Claims (6)
1. a burning furnace burden level is controlled method for designing, it is characterized in that: first according to burner hearth and fire door size, or, again in conjunction with the size of combusting firepower, design position location and the relative position of furnace charge burning;
When the burner hearth furnace charge, higher than position location, make feed arrangement stop charging by feed control device; When the burner hearth furnace charge, lower than position location, start the feed arrangement charging by feed control device; The detection signal emission port of detection signal emitter is corresponding with the both sides level that the detection signal receiving port of detection signal receiving trap is in burner hearth, the horizontal level of its emission line is the position location of furnace charge burning, and the detection signal emitter is connected with feed control device with the detection signal receiving trap;
Higher than position location, the detection signal receiving trap makes feed arrangement stop charging by feed control device when the burner hearth furnace charge; Lower than position location, the detection signal receiving trap receives and transmits and start the feed arrangement charging by feed control device when the burner hearth furnace charge;
Furnace charge position after the charging of each startup feed arrangement will be higher than position location, and this position higher than position location is the relative position of furnace charge burning, and furnace charge is the smooth combustion interval while between position location and relative position, burning.
2. adopt a kind of burning furnace burden level claimed in claim 1 to control a kind of burning furnace burden level control device of method for designing design, it comprises detection signal emitter, detection signal receiving trap and feed control device, it is characterized in that: the detection signal emission port is corresponding with the both sides level in the detection signal receiving port is in burner hearth (6), the horizontal emission line of detection signal emission port is the position location of furnace charge burning, and the detection signal emitter is connected with feed control device with the detection signal receiving trap.
3. a kind of burning furnace burden level control device according to claim 2, it is characterized in that: the detection signal emitting head (1) of described detection signal emitter is connected with detection signal emitting head bearing (3), detection signal emitting head bearing (3) is connected with burner hearth (6), one end of detection signal emitting head bearing (3) is the emitting head interface outside burner hearth (6), the other end is detection signal emission port (13) in burner hearth (6); The detection signal Receiver (12) of detection signal receiving trap is connected with detection signal Receiver bearing (10), one end of detection signal Receiver bearing (10) is the Receiver interface outside burner hearth (6), the other end is detection signal receiving port (14) in burner hearth (6); Detection signal emitting head (1) connects with control circuit by detection signal emitting head binding post (2), and detection signal Receiver (12) connects with control circuit by detection signal Receiver binding post (11).
4. a kind of burning furnace burden level control device according to claim 2, it is characterized in that: detection signal emitting head cooling duct (4) is connected with detection signal emitting head bearing (3), and detection signal emitting head cooling air valve (5) is connected with detection signal emitting head bearing (3); Detection signal Receiver cooling air valve (8) is connected with detection signal Receiver bearing (10), and detection signal cooling duct (9) is connected with detection signal Receiver bearing (10).
?
5. a kind of burning furnace burden level control device according to claim 2, it is characterized in that: the control circuit in feed control device is: the first protective tube P1 mono-end connects with the alternating current 220V power supply, the other end and transformer B wherein an input end connect, and another input end of transformer B connects with the alternating current 220V power supply; The second protective tube P2 wherein an end and transformer B wherein an output terminal connect, the bridge full wave rectifier that the other end and four commutation diode D1-D4 form a wherein input end is connected, another input end of bridge full wave rectifier connects with another output terminal of transformer B, the bridge full wave rectifier negative pole of output end is the common ground end, other end output positive voltage; The first capacitor C1 and the first capacitor C2 are in parallel with the control circuit power supply respectively; Transmitter FS is in parallel with the control power supply; Receiver JS is in parallel with the control power supply; The output terminal of receiver JS connects with the relay J control end, the 5th diode D5 is in parallel with relay J two control ends, relay J two a control ends wherein end connect with receiver JS output terminal, the other end connects with control power supply common port, relay J normally opened contact input termination 220V power supply, output terminal connects with the 220V power supply after with the charging motor M, connecting.
6. the control method of the described a kind of burning furnace burden level control device of claim 5, it is characterized in that: the 220V alternating current enters transformer B through the first protective tube P1, alternating current after transformer B step-down through the second protective tube P2 by four commutation diode D1-D4 full-wave rectification, the first capacitor C1 and the first capacitor C2 carry out filtering to Rectified alternating current, make transmitter FS, receiver JS and relay J obtain stable DC supply; Transmitter FS sends the material level detection signal to receiver JS;
When receiver JS receives detection signal, output terminal output noble potential, pilot relay J adhesive, relay J normally opened contact closure, motor M starts, and feeding mechanism is to the burner hearth charging;
When fuel height arrived desired location, the detection signal that transmitter FS emits stopped by fuel, and receiver JS output terminal becomes electronegative potential, and relay J discharges, and motor M stops operating, and feeding mechanism stops the burner hearth charging.
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| CN2012100099357A CN102541099B (en) | 2012-01-13 | 2012-01-13 | Burning furnace burden level control design method, control device and control method |
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| CN2012100099357A CN102541099B (en) | 2012-01-13 | 2012-01-13 | Burning furnace burden level control design method, control device and control method |
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| CN102541099B true CN102541099B (en) | 2013-11-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5199357A (en) * | 1991-03-25 | 1993-04-06 | Foster Wheeler Energy Corporation | Furnace firing apparatus and method for burning low volatile fuel |
| CN2226203Y (en) * | 1995-06-28 | 1996-05-01 | 曹玉登 | Energy-saving coal burner |
| US20090291403A1 (en) * | 2008-05-23 | 2009-11-26 | Giovann Conti | Method and apparatus to deliver solid fuel to a combustion zone |
| CN201259232Y (en) * | 2008-08-22 | 2009-06-17 | 常州联合锅炉容器有限公司 | Enclosed biomass fuel feeder |
| JP2011144943A (en) * | 2010-01-12 | 2011-07-28 | Ube Machinery Corporation Ltd | Comminution system |
| CN102192523A (en) * | 2011-03-24 | 2011-09-21 | 抚州孙氏兄弟实业有限公司 | Method for feeding furnace fuel with fuel burnt from top to bottom |
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