CN106681395A - Intelligent burner nozzle flame temperature controller - Google Patents

Intelligent burner nozzle flame temperature controller Download PDF

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Publication number
CN106681395A
CN106681395A CN201710142473.9A CN201710142473A CN106681395A CN 106681395 A CN106681395 A CN 106681395A CN 201710142473 A CN201710142473 A CN 201710142473A CN 106681395 A CN106681395 A CN 106681395A
Authority
CN
China
Prior art keywords
module
wiring
control module
burner
temperature controller
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.)
Pending
Application number
CN201710142473.9A
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Chinese (zh)
Inventor
张建国
黄显模
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing SUNTOUCH Thermprocess Equipment Co Ltd
Original Assignee
Beijing SUNTOUCH Thermprocess Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing SUNTOUCH Thermprocess Equipment Co Ltd filed Critical Beijing SUNTOUCH Thermprocess Equipment Co Ltd
Priority to CN201710142473.9A priority Critical patent/CN106681395A/en
Publication of CN106681395A publication Critical patent/CN106681395A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature

Abstract

The invention discloses an intelligent burner nozzle flame temperature controller. The intelligent burner nozzle flame temperature controller comprises a main control module, a flame monitoring module, a working condition environment monitoring module, a two-stage power switch module, a valve driving module, an ignition process indicator, a combustion indicating module, a fault indicator, a storage module and a communication module, wherein the flame monitoring module, the working condition environment monitoring module, the two-stage power switch module, the valve driving module, the ignition process indicator, the combustion indicating module, the fault indicator, the storage module and the communication module are connected with the main control module. By means of the intelligent burner nozzle flame temperature controller, the programming flexibility can be improved, the controller is better suitable for actual working conditions and reduces the cost, the instantaneous high voltage impact resistance can be improved, the working condition parameters can be collected in real time, communication with a PLC in the industrial field can be achieved, raw material pipelines can be reused, and the cost of pipeline laying and the design of raw materials can be reduced.

Description

A kind of intelligent burner flame temperature controller
Technical field
The present invention relates to industrial Field of Heat-treatment, more particularly to a kind of intelligent burner flame temperature controller.
Background technology
Industrial furnace with imflammable gas such as natural gass as fuel uses increasingly wider in Field of Heat-treatment, but natural Gas itself is inflammable and explosive, the security reliability particular importance for using, so for the site environment and heating target of industrial furnace, The intelligent burner control module of research and development has and safely and flexibly acts on.Industrial furnace process of thermal treatment process is complicated, long flow path, institute Can effectively improve temperature control precision, reduce fault rate with multiple burner control module distributed measurements, it is ensured that industrial furnace Operating mode continuous-stable, reaches the purpose of energy-conserving and environment-protective.At present in industrial furnace Field of Heat-treatment, burner control module is extensive With, but the deficiency in terms of motility and versatility is mainly reflected in:(1) existing burner control module is installed in engineering design When, it has been determined that type selecting, it is impossible to according to the change of actual condition and adjusting parameter;(2) only receive can for existing burner control module Control room is not collected and returned to field working conditions by the order of programming Control module (PLC);(3) existing burner control module It is one-to-one with burner, pipeline, the time difference between not making full use of industrial furnace to light a fire and be flame-out is carrying out pipeline Multiplexing.
The content of the invention
It is an object of the present invention to overcome defect present in prior art, there is provided intelligent burner flame temperature control Device, can improve the motility of programming, preferably adapt to actual condition and reduces cost, can improve anti-instant high-voltage impact energy Power, energy Real-time Collection duty parameter simultaneously can be communicated with the PLC of industry spot, can be realized the multiplexing of feed conduit, be reduced Pipe laying and the cost of raw material design.
For achieving the above object, the technical scheme is that and devise intelligent burner flame temperature controller, intelligence is burnt Mouth control module includes single-chip microcomputer (MCU) main control module, flame monitoring module, work condition environment monitoring modular, the switching of two level power supplies Module, valve drive module, ignition process indicator, burning indicating module, fault detector, memory module and communication module; The main control module switches mould with the flame monitoring module, the work condition environment monitoring modular, two level power supply respectively Block, the valve drive module, the ignition process indicator, the burning indicating module, the fault detector, described deposit Storage module is connected with the communication module.
Further improvement is that the two level power supplies handover module is connected with instantaneous pressure suppressor.
Further improvement is that the intelligent burner control module is formed on two pieces of pcb boards and in two pieces of pcb boards Between be lined with the sheet plastic of one layer of dust protection, the intelligent burner control module is respectively formed with two pieces of pcb boards Control signal part and executor part;The pcb board of the control signal part is sealed by a can, the control signal Partial pcb board is connected outside the can with the pcb board of the executor part.The control signal part includes described Main control module, the work condition environment monitoring modular, the valve drive module, the memory module and the communication module; The executor part includes the flame monitoring module, the two level power supplies handover module, the ignition process indicator, institute State burning indicating module, the fault detector.
Further improvement is that control logic software is solidified with the Flash of the main control module, the master control molding The JTAG mouths of block are that the operational factor of the intelligent burner control module adjusts port.
Further improvement be, intelligent burner control module described at least one as DP intelligent slave stations, industrial furnace Programmable control module is communicatively coupled by Profibus-DP communication interfaces and the intelligent burner control module.
Further improvement is that the combustion gas all the way of the industrial furnace is divided into a plurality of branch road, sets respectively on each branch road Burnt gas valve is equipped with, the switch controlling signal of the burnt gas valve of each branch road distinguishes an intelligent burner control module phase Even
Further improvement is that flame monitoring module includes ultraviolet dependent sensor or ion probe, for remote Combustion flame or directly it is connected with nozzle, the signal output part or ion of ultraviolet dependent sensor at the nozzle of detection burner Probe is connected by binding post with the signal input part of control module, signal output part and the valve drive module of control module And fault detector connection, the normally-closed contact and normally opened contact of the relay in valve drive module are connected with binding post, control The power input of molding block is connected by two level power supply handover modules with the outfan of the secondary coil of transformator, transformator The input of primary coil is connected by binding post with alternating current power supply, and the power input of ultraviolet dependent sensor is by limit Leakage resistance is attempted by the outfan of the secondary coil of transformator.
Further improvement be, the binding post includes the end of wiring 1 to the end of wiring 9, the end of wiring 1 of binding post, connects The side at the end of line 2 is connected with alternating current power supply, and the input of the primary coil at the end of wiring 1, the opposite side at the end of wiring 2 and transformator connects Connect, the side at the end of wiring 3 of binding post is connected with ultraviolet dependent sensor signal output part, the opposite side at the end of wiring 3 with The signal input part connection of control module, the end of wiring 4 of binding post, the side at the end of wiring 5 and ultraviolet dependent sensor Power end connects, and the end of wiring 4, the opposite side at the end of wiring 5 are connected by current-limiting resistance with the outfan of the secondary coil of transformator, The end of wiring 6 of binding post, the side at the end of wiring 7 are connected with the normally-closed contact of relay, the end of wiring 6, the other end at the end of wiring 7 It is connected with flame switch device, the end of wiring 8 of binding post, the side at the end of wiring 9 are connected with the normally opened contact of relay, wiring 8 End, the other end at the end of wiring 9 are connected with flame switch device.
Further improvement is, described to be provided with reset key.
Beneficial effects of the present invention are:
1st, high speed MCU as intelligent burner control module main controller, control logic by software solidification in Flash, Intelligent burner control module operational factor can be adjusted by the JTAG mouths reserved, preferably adapt to actual operating mode, be increased The motility of intelligent burner control module.
2nd, intelligent burner control module is done the design of Profibus-DP intelligent slave stationizations, using the PLC configurations of industry spot Advantage, directly can control the operation of Intelligent burner controller and collect live humiture by Profibus-DP communication interfaces Etc. ambient parameter, and recorded into background data base.
3rd, according to industrial furnace light a fire and be flame-out between time difference multiplexing setting is carried out to raw material supply pipeline, simplify The pipe laying at scene also reduces the cost of raw material design.
4th, two level power supply handover modules adopt two-stage power-supply battery switch mode, under the pattern of primary source failure, also Battery can ensure that the normal operation of intelligent burner control module, improve stablizing for intelligent burner control module operation Property.The design of instantaneous pressure suppressor makes the anti-instant high-voltage impact capacity of the present invention higher.
The product of flame is detected using the method that element is wanted based on ultraviolet light sensor, with good sun blindness, compared with High sensitivity and quick features of response.Detector is installed and may be located remotely from burning things which may cause a fire disaster, extends life of product, it is to avoid signal is done Disturb, it is ensured that the stability of signal.Ultraviolet photosensitive tube can the easily plug from base, greatly facilitate maintenance.Control The ground pads of module are directly welded and fixed with shell, product is protected well.Flame monitor is entered and treated after energization Machine state, after control module receives the detection signal of ultraviolet dependent sensor or ion probe, control module sends control The order-driven actuating of relay processed, several normally-closed contacts lighted and normally opened contact, more can need to participate in various controls.
Description of the drawings
Fig. 1 is the structural schematic block diagram of intelligence burner flame temperature controller of the invention;
Fig. 2 is embodiment of the present invention kiln temperature control process schematic diagram;
Fig. 3 is intelligence burner flame temperature control modules of the invention and pipeline connection figure;
Fig. 4 is the terminal wiring structure schematic diagram of intelligence burner flame temperature controller of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is further described.Following examples are only For clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, embodiment of the present invention intelligence burner flame temperature controller, including MCU main control modules 1, flame prison Survey module 2, work condition environment monitoring modular 3, two level power supply handover modules 4, instantaneous pressure suppressor 5, valve drive module 6, point Fiery process indicator 7, burning indicating module 8, fault detector 9, memory module 10 and communication module 11;The MCU master controls mould Block 1 respectively with the flame monitoring module 2, the work condition environment monitoring modular 3, the two level power supplies handover module 4, valve Door drive module 6, the ignition process indicator 7, the burning indicating module 8, the fault detector 9, the storage mould Block 10 is connected with the communication module 11;The instantaneous pressure suppressor 5 is connected with the two level power supplies handover module 4.
Wherein, the flame monitoring module 2 is connected with the A/D mouths of the main control module 1;The two level power supplies handover module 4 with the power supply of the main control module 1, pin be connected;It is the valve drive module 6, the ignition process indicator 7, described I/O port of the burning indicating module 8 with the fault detector 9 respectively at the main control module 1 is connected;The memory module 10 with The I2C buses of the main control module 1 are connected;The communication module 11 is connected with the data/address bus of the main control module 1.
Specifically, the MC9S12DG128 chips that the main control module 1 is produced using Freescale companies.The fire Flame monitoring modular 2 causes ionization bar electronics using the OP27 amplifier chips of MAXIM companies combustion gas such as natural gas high-temp combustion The precision that the microampere order Current amplifier that directed flow is produced can be perceived to AD changers.The work condition environment monitoring modular 3 is adopted The Temperature Humidity Sensor XST-TD of Kunming westernization instrument company, the humiture information of main collection operating mode.The two level power supplies switching Module 4 supports the ICL7673 chips of automatic backup battery switching using Intersil companies, can easily Switching power power with Battery powered mode, is effectively protected the stability of control module.The instantaneous pressure suppressor 5 adopts TVS, as TVS bis- When the two poles of the earth of pole pipe are subject to reverse transient state high energy impact events, it can be with the speed of 10 minus 12 power second-time, by its two interpolar High impedance be changed into Low ESR, absorb up to thousands of watts of surge power, make the voltage clamp of two interpolars in a predetermined value, have Precision components in effect ground protection electronic circuit, from the damage of various surge pulses.The valve drive module 6 is adopted The V23061-A1005-A302 relays of TYCO companies, control the opening and closing of gas valve and air cock, and mechanical life is up to 106 times. The ignition process indicator 7 adopts eight segment numeral pipe display digits, according to each stage during data dictionary correspondence igniting State.The burning indicator 8 shows fired state using yellow LED lamp.Fault detector 9 shows event using red LED lamp Barrier state.Memory module 10 records the fault message occurred in using engineering using the 24L08 chips of TI companies.It is described logical Letter module 11 adopts DP interfaces, can be specifically the VPC3+C chips of VIPA companies.Using VPC3 integrated chips DP agreements from Dynamic identifying and diagnosing frame pattern, is shown to the content of diagnosis frame on black-and-white crystal screen with Chinese language state by parsing, convenient diagnosis Relevant information.
Embodiment of the present invention thermal treatment profile formula flame temperature Intelligent burner controller function modoularization, both can be used as one Individual complete individuality controls single burner, it is also possible to and PLC or DCS control systems combine realization to whole technological process Control.Using programmable pattern MCU as main control module, control logic in Flash, can be passed through by software solidification Reserved JTAG mouths are adjusting the intelligent burner control module operational factor.The two level power supplies handover module 4 adopts two-stage Power-supply battery switch mode, under the pattern of primary source failure, also battery can ensure that the normal of burner control module Operation.Additionally, burner control module does the design of Profibus-DP intelligent slave stationizations, using the PLC configuration advantages of industry spot, Directly the operation of the intelligent burner control module can be controlled by Profibus-DP communication interfaces and collect live humiture Etc. ambient parameter, and have good grounds when recording the convenient maintenance in the memory module 10.Control signal part and executor portion It is divided to two pieces of pcb board designs, reduces electromagnetic interference.One layer of sheet plastic of pad again between relay and PCB, allows live dust only to accumulate Element is protected between PCB and thin plate.Control signal section is designed and is connected with executor's plate again with after the sealing of can Connect, dust-proof anti-electromagnetic interference.The control signal part include the MCU main control modules 1, the work condition environment monitoring modular 3, The valve drive module 6, the memory module 10 and the communication module 11;The executor part is including flame prison Survey module 2, the two level power supplies handover module 4, the ignition process indicator 7, the burning indicating module 8, the failure Indicator 9.
As shown in Fig. 2 the industry being suitable for for embodiment of the present invention thermal treatment profile formula flame temperature Intelligent burner controller Kiln temperature control process schematic diagram.The temperature of certain segment process is set on the L2 layer host computers of steel plant, PLC is then issued to On, by PLC by several described intelligent burner control modules in the segment process flow process of time series stereodata one, the intelligent burner Control module controls the size of burner flame by opening and closing gas valve air cock, and the temperature of stove changes therewith, is passed by temperature Sensor is delivered in time host computer furnace temperature, facilitates it to do decision-making.
As shown in figure 3, being embodiment of the present invention intelligence burner control module and pipeline connection figure.Intelligently to burn described in three groups As a example by mouth control module, the output signal of the intelligent burner control module controls the opening and closing of gas valve, the intelligent burner control The input of molding block is the muA signal that flame combustion ionization is produced.Combustion gas all the way comes to distinguish by three branch roads Burnt gas valve is loaded onto, in advance, combustion gas leading control mode during closing can so improve combustion gas to air when pipe section starts Efficiency of combustion.Each intelligent burner control module is all communicated as DP intelligent slave stations with PLC, obtains the real-time of PLC Control.If arrangement distance it is long, it is contemplated that bus path produce signal attenuation, in the paths between Bus repeater is set Device is relayed.In a segment process, the fortune that PLC passes through time series stereodata several intelligent burner control modules thereon Row has at any one time burner control module consuming combustion gas, and then the multiplexing of the gas-air pipeline for realizing in shut-off.
As shown in figure 4, flame monitoring module of the present invention includes ultraviolet dependent sensor 12, for remote detection Combustion flame at the nozzle 13 of burner, the signal output part of ultraviolet dependent sensor 12 is by binding post 14 and control mould The signal input part 15 of block 1 connects, the relay 16 and failure in the signal output part and valve drive module 6 of control module 1 Alarm 9 connects, and the normally-closed contact and normally opened contact of relay 16 are connected with binding post 3, the power input of control module 1 It is connected with the secondary coil outfan of transformator 17, the input of the primary coil of transformator 17 passes through binding post 14 and exchanges Power supply 18 connects, and the power input of ultraviolet dependent sensor 12 is attempted by the secondary wire of transformator 17 by current-limiting resistance 19 On circle outfan.
For the ease of the connection of control module 1 and external devices, and make its wiring construction neat, easy to operate, safety, The preferred embodiment of the invention also has, and the binding post 14 includes the end of wiring 1 to the end of wiring 9, the wiring 1 of binding post 3 End, the side at the end of wiring 2 are connected with alternating current power supply 18, the primary coil at the end of wiring 1, the opposite side at the end of wiring 2 and transformator 17 Input connects, and the side at the end of wiring 3 of binding post 14 is connected with the signal output part of ultraviolet dependent sensor 12, wiring The opposite side at the end of wiring 3 of terminal 14 is connected with the signal input part 15 of control module 1, the end of wiring 4 of binding post 14, wiring The side at 5 ends is connected with the power end of ultraviolet dependent sensor 12, the end of wiring 4 of binding post 3, the opposite side at the end of wiring 5 It is connected with the outfan of the secondary coil of transformator 11 by current-limiting resistance 19, the end of wiring 6 of binding post 14, the end of wiring 7 Side is connected with the normally-closed contact of relay 16, the end of wiring 6 of binding post 14, the opposite side at the end of wiring 7 and flame switch device Connection, the end of wiring 8 of binding post 14, the side at the end of wiring 9 are connected with the normally opened contact of relay 16, the end of wiring 8, wiring 9 The opposite side at end is connected with flame switch device.
In order to ensure the safety in combustion of burner 13 of burner, further preferred embodiment of the present invention is also Have, the shell of the nozzle 13 passes through ground connection.
For the ease of fault alarm 9 after potential safety hazard releasing can stop alarm, the further preferred reality of the present invention The scheme of applying also has, and on the alarm 9 reset key is provided with.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, on the premise of without departing from the technology of the present invention principle, some improvements and modifications can also be made, these improvements and modifications Also should be regarded as protection scope of the present invention.

Claims (9)

1. a kind of intelligent burner flame temperature controller, it is characterised in that intelligent burner flame temperature control modules include master control Molding block, flame monitoring module, work condition environment monitoring modular, two level power supply handover modules, valve drive module, ignition process refer to Show device, burning indicating module, fault detector, memory module and communication module;The main control module respectively with the flame Monitoring modular, the work condition environment monitoring modular, the two level power supplies handover module, the valve drive module, the igniting Process indicator, the burning indicating module, the fault detector, the memory module are connected with the communication module.
2. as claimed in claim 1 intelligence burner flame temperature controller, it is characterised in that the two level power supplies handover module connects It is connected to instantaneous pressure suppressor.
3. as claimed in claim 1 intelligence burner flame temperature controller, it is characterised in that the intelligent burner control module shape Into the sheet plastic that one layer of dust protection is lined with two pieces of pcb boards and between two pieces of pcb boards, in two pieces of pcb boards On be respectively formed with the control signal part and executor part of the intelligent burner control module;The control signal part Pcb board is sealed by a can, and the pcb board of the control signal part is outside the can and the executor part Pcb board is connected;The control signal part includes that the main control module, the work condition environment monitoring modular, the valve drive Dynamic model block, the memory module and the communication module;The executor part includes the flame monitoring module, the two-stage Power supply handover module, the ignition process indicator, the burning indicating module, the fault detector.
4. as claimed in claim 1 intelligence burner flame temperature controller, it is characterised in that the Flash of the main control module In be solidified with control logic software, the JTAG mouths of the main control module are that the operational factor of the intelligent burner control module is adjusted Section port.
5. as claimed in claim 1 intelligence burner flame temperature controller, it is characterised in that intelligent burner control described at least one , used as DP intelligent slave stations, the programmable control module of industrial furnace is by Profibus-DP communication interfaces and the intelligence for molding block Energy burner control module is communicatively coupled.
6. as claimed in claim 1 intelligence burner flame temperature controller, it is characterised in that the combustion gas all the way of industrial furnace is divided into A plurality of branch road, is respectively arranged with burnt gas valve, the switch controlling signal point of the burnt gas valve of each branch road on each branch road An other intelligent burner control module is connected.
7. as claimed in claim 1 intelligence burner flame temperature controller, it is characterised in that flame monitoring module includes ultraviolet Light sensor or ion probe, are connected for combustion flame at the nozzle of remote detection burner or directly with nozzle, purple The signal output part or ion probe of outside line light sensor is connected by binding post with the signal input part of control module, control The signal output part of molding block is connected with valve drive module and fault detector, the relay in valve drive module it is normally closed Contact and normally opened contact are connected with binding post, and the power input of control module is by two level power supply handover modules and transformator Secondary coil outfan connection, the input of the primary coil of transformator is connected by binding post with alternating current power supply, purple The power input of outside line light sensor is attempted by the outfan of the secondary coil of transformator by current-limiting resistance.
8. as claimed in claim 7 intelligence burner flame temperature controller, it is characterised in that the binding post includes wiring 1 Hold to the end of wiring 9, the end of wiring 1 of binding post, the side at the end of wiring 2 are connected with alternating current power supply, the end of wiring 1, the end of wiring 2 it is another Side is connected with the input of the primary coil of transformator, side and the ultraviolet dependent sensor at the end of wiring 3 of binding post Signal output part connects, and the opposite side at the end of wiring 3 is connected with the signal input part of control module, the end of wiring 4 of binding post, connects The side at the end of line 5 is connected with the power end of ultraviolet dependent sensor, and the end of wiring 4, the opposite side at the end of wiring 5 pass through current-limiting resistance Be connected with the outfan of the secondary coil of transformator, the end of wiring 6 of binding post, the side at the end of wiring 7 and relay it is normally closed Contact portion, the end of wiring 6, the other end at the end of wiring 7 are connected with flame switch device, the end of wiring 8 of binding post, the end of wiring 9 Side is connected with the normally opened contact of relay, and the end of wiring 8, the other end at the end of wiring 9 are connected with flame switch device.
9. as claimed in claim 1 intelligence burner flame temperature controller, it is characterised in that be provided with reset key described.
CN201710142473.9A 2017-03-10 2017-03-10 Intelligent burner nozzle flame temperature controller Pending CN106681395A (en)

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Application Number Priority Date Filing Date Title
CN201710142473.9A CN106681395A (en) 2017-03-10 2017-03-10 Intelligent burner nozzle flame temperature controller

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Application Number Priority Date Filing Date Title
CN201710142473.9A CN106681395A (en) 2017-03-10 2017-03-10 Intelligent burner nozzle flame temperature controller

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108520848A (en) * 2018-06-11 2018-09-11 佛山市高明欧电子制造有限公司 A kind of long-range current temperature controller
CN112130517A (en) * 2020-11-26 2020-12-25 矿冶科技集团有限公司 Dust ignition delay control system, method and computer readable storage medium
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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CN101802502A (en) * 2007-07-17 2010-08-11 电气联合股份有限公司 Burner ignition system & method of ignition
CN102759279A (en) * 2011-04-28 2012-10-31 上海宝信软件股份有限公司 Distributed intelligent nozzle controller for flame temperature control in industrial furnace heat treatment
CN105889979A (en) * 2014-12-26 2016-08-24 山东鲁南瑞虹化工仪器有限公司 Automatic ignition device for gas chromatograph

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN2078849U (en) * 1990-07-18 1991-06-12 机械电子工业部第五设计研究院 Electric field type automatic ignition device for flame detecting
CN101802502A (en) * 2007-07-17 2010-08-11 电气联合股份有限公司 Burner ignition system & method of ignition
CN102759279A (en) * 2011-04-28 2012-10-31 上海宝信软件股份有限公司 Distributed intelligent nozzle controller for flame temperature control in industrial furnace heat treatment
CN105889979A (en) * 2014-12-26 2016-08-24 山东鲁南瑞虹化工仪器有限公司 Automatic ignition device for gas chromatograph

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108520848A (en) * 2018-06-11 2018-09-11 佛山市高明欧电子制造有限公司 A kind of long-range current temperature controller
CN108520848B (en) * 2018-06-11 2023-09-01 佛山市高明欧一电子制造有限公司 Remote current temperature controller
CN112130517A (en) * 2020-11-26 2020-12-25 矿冶科技集团有限公司 Dust ignition delay control system, method and computer readable storage medium
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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Application publication date: 20170517