CN201680712U - Annular sleeve kiln burner ignition control device - Google Patents
Annular sleeve kiln burner ignition control device Download PDFInfo
- Publication number
- CN201680712U CN201680712U CN2010201017346U CN201020101734U CN201680712U CN 201680712 U CN201680712 U CN 201680712U CN 2010201017346 U CN2010201017346 U CN 2010201017346U CN 201020101734 U CN201020101734 U CN 201020101734U CN 201680712 U CN201680712 U CN 201680712U
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- CN
- China
- Prior art keywords
- control loop
- ignition control
- contactor coil
- ignition
- series
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 11
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 11
- 239000004571 lime Substances 0.000 claims description 11
- 239000002737 fuel gas Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 208000033999 Device damage Diseases 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000026676 system process Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to an annular sleeve kiln burner ignition control device which belongs to the thermo control technical field and comprises a power supply control loop, an ignition control loop, a gas cutoff control loop and a cooling air control loop; a normally open contact of a first contactor coil connected with the power supply control loop in series is connected with the ignition control loop in series; a normally open contact of a second contactor coil connected with the ignition control loop in series is connected with the gas cutoff control loop in series; besides, the ignition control device comprises a photoelectric conversion device, the input end of the photoelectric conversion device is connected with a flame detector and the output end thereof is connected with the detection signal input end of a flame controller, the control signal output end of the flame controller is connected with a third contactor coil in series, and the status signal output end is communicated with an upper computer; and a normally open contact of the third contactor coil is connected with the ignition control loop in series. The annular sleeve kiln burner ignition control device automatically controls the burner to extinguish according to the burning process situation of the sleeve kiln, accordingly avoids the equipment from being damaged and ensures the safety of the operating personnel.
Description
Technical field
The utility model relates to a kind of ignition control device, and especially a kind of annular lime kiln burner ignition control device belongs to thermal technology's control technology field.
Background technology
Along with energy supply day is becoming tight, people constantly explore the new energy are used in the limekiln.The sleeve kiln can be calcined the fuel gas with low heat value of calorific value at 1400kcal/Nm3 because of its technology advanced person, therefore makes air mixture, the calcium carbide furnace gas of converter combustion gas, blast furnace and coke oven that metallurgy industry reclaims all can obtain utilizing on the sleeve kiln.
The sleeve kiln is provided with two-layer burner, is respectively burner and following burner, and each burner is provided with an IGNITION CONTROL case, is used for the ignition operation of each burner.There is following problem in the control of conventional sleeve kiln: when sleeve kiln burning process condition did not meet the demands, burner can not auto extinguishing, therefore production run was brought major safety risks.In addition, the cooling air is the condition that guarantees the kiln long-time running, but in the existing sleeve kiln actual production, cooling air arm magnetic valve is because work under bad environment (environment temperature height, charged for a long time), therefore break down easily and cause equipment very easily to damage and online replacing dangerous.
The utility model content
Primary and foremost purpose of the present utility model is: at the problem of above-mentioned prior art existence, propose a kind ofly can control the flame-out annular lime kiln burner ignition control device of burner automatically according to sleeve kiln burning process situation, thereby avoid device damage, guarantee production safety.
The further purpose of the utility model is: propose a kind of annular lime kiln burner ignition control device that can significantly reduce cooling air arm solenoid valve failure rate.
In order to reach above-mentioned primary and foremost purpose, the basic technical scheme of annular lime kiln burner ignition control device of the present utility model is: contain power control loop, IGNITION CONTROL loop, fuel gas shutoff control loop and cooling air control loop; The normally opened contact that is connected on first contactor coil in the described power control loop is connected in the described IGNITION CONTROL loop; The normally opened contact that is connected on second contactor coil in the described IGNITION CONTROL loop is connected in the fuel gas shutoff control loop; In addition, also contain the start to exchange fire photoelectric conversion device of flame detector of input, the start to exchange fire detection signal input of flame control of the output of described photoelectric conversion device, the control signal output of described flame controller is connected with the 3rd contactor coil, and the status signal output is connected with upper machine communication; The normally opened contact of described the 3rd contactor coil is connected in the IGNITION CONTROL loop.
The utility model further improves, series connection the one PLC Long-distance Control contact in the described power control loop; Further improving is series connection the 2nd PLC Long-distance Control contact in the described IGNITION CONTROL loop again.
When process conditions satisfy service condition, PLC controls the long-range closing of contact, after manual power control loop is connected, the corresponding contacts of first contactor coil in ignition circuit connected, can light a fire after system is ready, when flame scanner detects flare up fire, will be input in the flame controller after the conversion of current signal photoelectricity light, its output is controlled the 3rd contactor coil dead electricity, lights a fire successfully and status signal is sent into host computer monitor.When if flame scanner detects less than flare up fire, time relay time-delay disconnects, and the flame controller is controlled the 3rd contactor coil and got electricly, and a light-off period is finished in the IGNITION CONTROL loop.When the system process condition did not satisfy service condition, arm fuel was cut off in the controlled disconnection in PLC Long-distance Control contact immediately, thereby it is flame-out to realize controlling burner automatically according to sleeve kiln burning process situation, thereby avoided device damage, guaranteed personal security.
In order to reach further purpose, described cooling air control loop is in series with the closed type magnetic valve of uninterrupted power source power supply.Like this, not charged for a long time during magnetic valve work in the cooling air control loop, the equipment that online replacing that can safety damages and do not influence ordinary production has been properly settled problem and defective that traditional control circuit exists.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the circuit theory diagrams of an embodiment of the utility model.
The specific embodiment
Embodiment one
Present embodiment is an example with the single burner control device of 500TPD annular lime kiln, and the circuit theory of this device as shown in Figure 1.20S1 is that power supply stop button, 20S2 are that power connection button, 102S1 are that button ignition switch, 102K1 are that the time relay, 20K1,102K2,102K5 are contactor; LFE50 is the flame controller; QRA50M is the UV detector; 550Y1,550Y2 are 220VAC～magnetic valve.
Power control loop by a PLC Long-distance Control contact of series connection 1., power supply stop button 20S1, power connection button 20S2, the first contactor coil 20K1 constitute.The first contactor coil normally opened contact 20K1, the 2nd PLC Long-distance Control contact of series connection 2., time relay contact 102K1, the 3rd contacts of contactor 102K5, the second contactor coil 102K2 constitute the igniting main control loop, and the first contactor coil normally opened contact 20K1 of series connection, the 2nd PLC Long-distance Control contact are 2., button ignition switch 102S1, time relay coil 102K1 constitute the igniting subsidiary control loop.The second contacts of contactor 102K2, the gas cutting electromagnetic valve coil 550Y2 of series connection constitutes the fuel gas shutoff control loop.The closed type electromagnetic valve coil 550Y1 that is connected on the uninterrupted power source UPS constitutes cooling air control loop.
Start to exchange fire detection signal input 9,10 pins of flame control (LFE50 type) of the output of the start to exchange fire photoelectric conversion device of flame detector of input---QRA50M type UV detector, control signal output 4 pins of this flame controller are connected with the 3rd contactor coil 102K5.
Its concrete operation principle is: when the system process condition satisfies service condition, 1., 2. PLC output point closure, pressing the button the 20S2 electric power loop connects, this moment, the 20H1 power supply indicator was lighted, 102K5 action simultaneously, flame-out indicator lamp 20H3 lights, and means that system is ready can carry out ignition operation; Press the action of the button ignition switch 102S1 time relay this moment and carry out timing, 102K2 action simultaneously, gas pipeline magnetic valve 550Y2 action is opened, cooling air duct magnetic valve 550Y1 closes, burning indicator lamp 20H2 lights. and when the UV detector detects flare up fire, current signal is input to the LFE50 controller, 102K5 quits work, flame-out indicator lamp 20H3 extinguishes, and system point pyrogene merit is also sent status signal into host computer and monitored; If when the UV detector detected less than flare up fire, time relay 02K1 quit work after arriving setting-up time, 102K2 quits work simultaneously, and gas pipeline magnetic valve 550Y2 action is closed, and cooling air duct magnetic valve 550Y1 opens.Flame-out indicator lamp is lighted.Thereby finished a light-off period.When the system process condition does not satisfy service condition, 1., 2. disconnect among Fig. 1, guarantee personal security thereby cut off arm fuel immediately.
Long-term charged and employing UPS stabilized power source power supply when the circuit cools air duct magnetic valve 550Y1 of present embodiment works, and the equipment that online replacing that can safety damages and do not influence ordinary production has solved problem and defective that traditional control circuit exists just.
Production practices show that the ignition control device of each burner improves the production safety of sleeve kiln through after improving greatly, and the device damage rate significantly reduces, and reaches the purpose that technology controlling and process requires.
Conclusion is got up, and present embodiment has following characteristics:
Fig. 1 1., the 2. mode of contact access control system.Concrete mode is that the pressure signal and the on-the-spot pressure switch contact signal of in-situ transducer conversion are sent into the PLC control system, controls the chain of the condition that whether meets igniting and device security by programme-control output drive point.
2. the employing equipment of 4. locating of Fig. 1 is " establishing type by cable " magnetic valve, distinguishes traditional " electric pass type " magnetic valve.Adopt the benefit of new equipment to be: magnetic valve is not charged fully during sleeve kiln ordinary production, guarantees that like this magnetic valve can be because of long-term charged not overheated and burn, thereby guarantees that sleeve kiln long-term safety produces.
Fig. 1 3. locate adopted the novel power supply access way because of the reason of 4. locating equipment replacement.The magnetic valve that provides stable AC220V～alternating current to make by ups power is operated under the stabilized power source environment.
Claims (5)
1. an annular lime kiln burner ignition control device contains power control loop, IGNITION CONTROL loop, fuel gas shutoff control loop and cooling air control loop; The normally opened contact that is connected on first contactor coil in the described power control loop is connected in the described IGNITION CONTROL loop; The normally opened contact that is connected on second contactor coil in the described IGNITION CONTROL loop is connected in the fuel gas shutoff control loop; It is characterized in that: also contain the start to exchange fire photoelectric conversion device of flame detector of input, the start to exchange fire detection signal input of flame control of the output of described photoelectric conversion device; The control signal output of described flame controller is connected with the 3rd contactor coil, and the status signal output is connected with upper machine communication; The normally opened contact of described the 3rd contactor coil is connected in the IGNITION CONTROL loop.
2. annular lime kiln burner ignition control device according to claim 1 is characterized in that: series connection the one PLC Long-distance Control contact in the described power control loop.
3. annular lime kiln burner ignition control device according to claim 2 is characterized in that: in the described IGNITION CONTROL loop series connection the 2nd PLC Long-distance Control contact.
4. annular lime kiln burner ignition control device according to claim 3 is characterized in that: described cooling air control loop is in series with the closed type magnetic valve of uninterrupted power source power supply.
5. annular lime kiln burner ignition control device according to claim 4 is characterized in that: described IGNITION CONTROL loop comprises igniting main control loop and subsidiary control loop; Described igniting main control loop is made of the first contactor coil normally opened contact, the 2nd PLC Long-distance Control contact, time relay contact, the 3rd contacts of contactor, second contactor coil of series connection; Described igniting subsidiary control loop is made of the first contactor coil normally opened contact, the 2nd PLC Long-distance Control contact, button ignition switch, the time relay coil of series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201017346U CN201680712U (en) | 2010-01-26 | 2010-01-26 | Annular sleeve kiln burner ignition control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201017346U CN201680712U (en) | 2010-01-26 | 2010-01-26 | Annular sleeve kiln burner ignition control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201680712U true CN201680712U (en) | 2010-12-22 |
Family
ID=43345753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201017346U Expired - Fee Related CN201680712U (en) | 2010-01-26 | 2010-01-26 | Annular sleeve kiln burner ignition control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201680712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221299A (en) * | 2011-03-30 | 2011-10-19 | 南京梅山冶金发展有限公司 | Annular sleeve lime kiln burner control device |
| CN113341911A (en) * | 2021-05-12 | 2021-09-03 | 首钢京唐钢铁联合有限责任公司 | Fault diagnosis method and device for self-preheating type burner |
-
2010
- 2010-01-26 CN CN2010201017346U patent/CN201680712U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221299A (en) * | 2011-03-30 | 2011-10-19 | 南京梅山冶金发展有限公司 | Annular sleeve lime kiln burner control device |
| CN102221299B (en) * | 2011-03-30 | 2014-03-26 | 南京梅山冶金发展有限公司 | Annular sleeve lime kiln burner control device |
| CN113341911A (en) * | 2021-05-12 | 2021-09-03 | 首钢京唐钢铁联合有限责任公司 | Fault diagnosis method and device for self-preheating type burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |