CN209706126U - ISP ignition furnace of sintering machine ignition device for natural gas - Google Patents
ISP ignition furnace of sintering machine ignition device for natural gas Download PDFInfo
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- CN209706126U CN209706126U CN201920433304.5U CN201920433304U CN209706126U CN 209706126 U CN209706126 U CN 209706126U CN 201920433304 U CN201920433304 U CN 201920433304U CN 209706126 U CN209706126 U CN 209706126U
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Abstract
The utility model proposes ISP ignition furnace of sintering machine ignition device for natural gas.12 burners are evenly arranged in ISP ignition furnace of sintering machine inner top, every row two sides amount to four burners, and small burner does not use usually as heating up;Every row's burner installs thermocouple as temperature measuring point respectively;Natural gas after decompression is sent by combustion gas hand-operated valve in the igniter burner into the burner for the gas ignition solenoid valve control connecting with burner control cabinet, natural gas after decompression is sent by combustion gas hand-operated valve simultaneously in the main burner into the burner for the combustion gas main solenoid valve control connecting with burner control cabinet, natural gas is fed simultaneously in burner, and igniter burner is also connected with flame ionic detector with burner control cabinet and ignition transformer forms independent igniting and fire defector.The utility model is respectively provided with natural gas electric control valve and combustion air electric control valve using burner, and gas discharge and air quantity linkage are adjusted, no exhaust gas outlet, safety and environmental protection.It is suitable for being used as ignition furnace natural gas fired.
Description
Technical field
Provided by the utility model is the igniter in non-ferrous metallurgy field, is mainly used in ISP ignition of sintering process
Furnace.Specifically ISP ignition furnace of sintering machine ignition device for natural gas.
Background technique
ISP ignition furnace of sintering machine technology maturation was all made of heat source of the producer gas as ignition furnace of sintering machine in the past, should
It is discussed in detail in many data books of technology.Higher and higher today, producer coal gas technology are required in environment-friendly quality
Environmental requirement is no longer satisfied, it is maximum in order to guarantee safe and stable operation of the ignition furnace of sintering machine under high temperature, corrosive environment
Limit guarantees the production of melting process, needs using heat of other energy substitution producer gases as ISP ignition furnace of sintering machine
Source.ISP continuous production, the operation of ignition furnace are one of the key operations baked with agglomeration, and the fluctuation of temperature directly affects sintering
Yield and quality.In order to improve the environmental condition of sintering machine, realizes clean manufacturing, be badly in need of a kind of pyrometallurgical smelting process sintering machine confession
The device of heat.
Summary of the invention
In order to use Natural Gas Instead of Producer Gas in ISP ignition furnace of sintering machine and control the fluctuation of temperature, this
Utility model provides ISP ignition furnace of sintering machine ignition device for natural gas.The device passes through burner control cabinet for natural gas transportation
It is sent into the burner of ISP ignition furnace of sintering machine top layout, using preheated air from multiple spot right above combustion chamber, the day of each burner
Right gas and air use electric control valve linkage adjusting, separate unit burner independent control respectively, and each burner carries out independent igniting respectively
With fire defector and adjusting, the technical issues of Natural Gas Instead of Producer Gas is lighted a fire is solved.
The utility model solves scheme used by technical problem:
12 burners are evenly arranged in ISP ignition furnace of sintering machine inner top, are divided into two rows of arrangements, every row six
It is a;Every row two sides amount to four burners, only use when ignition furnace heats up, and as heating up, small burner is not used usually;
Every row's burner installs thermocouple as temperature measuring point respectively;
Ignition furnace is externally provided with the burner control cabinet with temperature controller TE and combustion controller IFD, and burner control cabinet connects
Pressure switch and combustion gas electric control valve are connect, and is controlled defeated via reserved valve, gas filter, pressure gauge and gas pressure-reducing valve
The natural gas sent;
Burner control cabinet connects pressure switch and air electric control valve, and controls defeated via air blower and air hand-operated valve
The air sent;
Natural gas after decompression is sent by combustion gas hand-operated valve to the gas ignition solenoid valve control connecting with burner control cabinet
Burner in igniter burner in, natural gas after decompression is sent to the combustion connecting with burner control cabinet simultaneously by combustion gas hand-operated valve
In main burner in the burner of gas main solenoid valve control, natural gas is fed simultaneously in burner, igniter burner and burner control cabinet
It is also connected with flame ionic detector and ignition transformer forms independent igniting and fire defector;
Air is sent in the main burner in igniter burner and burner into burner respectively by air hand-operated valve, combustion air
Primary supply.
The burner flame injection direction and charge level are perpendicular.
Good effect, since the utility model is respectively provided with natural gas electric control valve and combustion air electric adjustable using burner
Valve is saved, gas discharge and air quantity linkage are adjusted, and each burner carries out independent igniting and fire defector and adjusting respectively, controls temperature
Fluctuation using natural gas replace producer gas, combustion of natural gas is without exhaust gas outlet, safety and environmental protection;And made using natural gas
For heat source, ignition furnace structural reform is moved small, and the transformation period is short, small investment, and natural gas replaces producer gas, energy conservation and environmental protection, burning side
Case uses high quality combustion controller, enforces flame-out purging, and operational safety greatly improves, and effectively prevent quick-fried furnace.It is suitable for
It is used as ISP ignition furnace of sintering machine ignition device for natural gas.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is ignition furnace burner distribution schematic diagram.
In figure, 1. gas filters, 2. pressure gauges, 3. reserved valves, 4. gas pressure-reducing valves, 5. pressure switches, 6. combustion gas
Electric control valve, 7. air electric control valves, 8. combustion gas hand-operated valves, 9. combustion gas main solenoid valves, 10. gas ignition solenoid valves, 11.
Air hand-operated valve, 12. burners, the small burner of 12.1. heating, 13. main burners, 13.1. igniter burner, 14. flame ionic detectors,
15. ignition transformer, 16. thermocouples, 17. burner control cabinets, 18. air blowers.
Specific embodiment
According to the figure, 12 burners 12 are evenly arranged in ISP ignition furnace of sintering machine inner top, are divided into two arrangements
It sets, every row six;Every row two sides amount to four burners, only use when ignition furnace heats up, when flat as the small burner 12.1 that heats up
It does not use;
Every row's burner installs thermocouple 16 as temperature measuring point respectively;
Ignition furnace is externally provided with the burner control cabinet 17 with temperature controller TE and combustion controller IFD, burner control cabinet
Pressure switch 5 and combustion gas electric control valve 6 are connected, and is controlled via reserved valve 3, gas filter 1, pressure gauge 2 and combustion gas
The natural gas that pressure reducing valve 4 conveys;
Burner control cabinet connects pressure switch and air electric control valve 7, and controls manual via air blower 18 and air
The air that valve 11 conveys;
Natural gas after decompression, which is sent by combustion gas hand-operated valve 8 to the gas ignition solenoid valve 10 connecting with burner control cabinet, to be controlled
In igniter burner 13.1 in the burner of system, the natural gas after decompression, which is sent simultaneously by combustion gas hand-operated valve to burner control cabinet, to be connected
In the main burner 13 in burner that the combustion gas main solenoid valve 9 connect controls, natural gas is fed simultaneously in burner, igniter burner and burning
Mouth control cabinet is also connected with flame ionic detector 14 and ignition transformer 15 forms independent igniting and fire defector;
Air is sent in the main burner in igniter burner and burner into burner respectively by air hand-operated valve, combustion air
Primary supply.
The burner flame injection direction and charge level are perpendicular.
The burner is respectively provided with natural gas electric control valve and combustion air electric control valve, and gas discharge and air quantity join
It is dynamic to adjust.
Working principle of the utility model is:
Natural gas pressure regulating device carries high and low pressure cutting function, the cut-off general pipeline combustion gas of when outlet pressure exception;Under pressure regulator
Trip is also provided with gaseous-pressure switch, and solenoid valve before all burners is cut off when gaseous-pressure is too low, burner is avoided to be tempered;Combustion gas is total
Pipe has filtering, metering, pressure regulation, emergency cut-off function, and wherein general pipeline solenoid valve is used for emergency cut-off combustion when smoke evacuation system accident
Gas;Gas header pipe setting bypass, bypass also configure pressure regulator, in the blocking of main air passage filter or the bypass of pressure regulator fail-open
It can ensure that combustion gas temporarily supplies.Compress wind is supplied using the air blower of low air quantity, high wind pressure, blower is used using former design blower one
One is standby;V cone flow meter 1 is arranged on wind general pipeline.Pressure switch is also provided on wind general pipeline, blower fault leads to wind pressure mistake
Solenoid valve before all burners is cut off when low, is ensured using safe.
The combustion gas of every burner and air use electric control valve linkage to adjust respectively, and separate unit burner can independent control.PLC
Ignition procedure is worked out, flame-out purging is enforced, improves operational safety.Every burner is respectively provided with flame ionic detector, raw
Such as occur in production burner it is flame-out when, the alarm of control cabinet alarm lamp avoids the occurrence of safe thing convenient for discovery in time and processing
Therefore.
The course of work of the utility model:
The natural gas of pressure 0.1MPa to reserved valve, gas filter and pressure gauge inputs, and depressurizes through gas pressure-reducing valve
It is used after to 5~6kPa;Pressure switch is monitored the pressure of combustion gas, air, is in certain range, works as appearance
When under-voltage, pressure switch will provide signal, can drive combustion gas main solenoid valve and igniter solenoid valve quickly by fuel gas shutoff, Huo Zheqi
Dynamic alarm;The starting of burner control cabinet, the sparking of igniter burner built-in ignitor electrode, while igniter solenoid valve is opened, release is natural
Gas, igniter burner igniting;After igniter burner is lighted a fire successfully, signal is transmitted to combustion controller IFD by flame ionic detector, igniting
Success indicator light is bright, while igniter solenoid valve is persistently opened.Such as loss of ignition, combustion controller lights a fire output signal simultaneously
Solenoid valve is quickly cut off.Loss of ignition indicator light is bright at this time, while combustion controller will export alarm signal, alarm equipment alarm;
After igniter burner lights stable burning 30s, control system will automatically turn on combustion gas main solenoid valve, light a fire to main burner;Similarly such as
The main burner successful ignition of fruit, combustion gas main solenoid valve can keep it turning on, otherwise can cut off immediately;Main burner, which is lighted, stablizes burning 30s
Afterwards, control system will automatically cut off igniter solenoid valve, and igniter burner stops working;After lighting burner, adjustment burning load can be adopted
Be derived from it is dynamic/manually adjust mode, be proportion adjustment.
Via step:
Natural gas depressurization-furnace is outer for compress wind-natural gas fired-proportion adjustment.
1, the natural gas for the pressure 0.1MPa that gas filter is sent natural gas depressurization: is decompressed to 5 through gas pressure-reducing valve
It is used after~6kPa;
2, furnace is outer for compress wind: natural gas and combustion air are sent respectively to ignition furnace of sintering machine two sides, to improve natural gas
The thermal efficiency, combustion-supporting air piping walk three sections of " S " types and carry out being preheated to 80~120 DEG C via rear of sintering machine petticoat pipe high temperature section, petticoat pipe
Outside setting by-pass line, controls preheated air amount size with pumping board;
3, it natural gas fired: using combustion air air-supply synchronous with natural gas, is mixed and burned with natural gas, to a certain degree
On prevent in natural gas temperature-rise period generate cracking carbon distribution;
4, proportion adjustment: whether automatically adjusting or manually adjust, combustion gas electric control valve and air electric control valve
It is synchronization action, the synchronous variation of gas quantity air capacity, to realize the proportion adjustment of combustion gas and air.
The characteristics of the utility model:
1, ignition furnace of sintering machine burner flame injection direction and charge level are perpendicular.
2, to guarantee that ignition furnace of sintering machine ignition heat is evenly distributed, 12 burners is set altogether in ignition furnace, are divided into two rows
Arrangement, every row 6, each burner are arranged independent ignition system and regulating system, can be respectively controlled.Furnace wall two sides difference
2 small burners of heating are set, and convenient for using when ignition furnace heating, 4 small burners of heating are not used usually.
3, all via feeding in multiple burners, combustion air once supplies natural gas.And utilize rear of sintering machine petticoat pipe
It exchanges heat to combustion air, improves the thermal efficiency.
4, the combustion-supporting air quantity of burner and amount of natural gas use proportion adjustment, and every burner is respectively provided with natural gas motorized adjustment
Valve and combustion air electric control valve, gas discharge and air quantity linkage are adjusted, to guarantee the ratio of amount of natural gas and air quantity
It is relatively stable.
5, two rows of burners install a temperature measuring point respectively, according to the operating temperature requirements of each detection zone, by automating
Control system automatically adjusts the burning load of every burner.
6, every burner is provided with independent igniting, fire defector, separately adjustable function, can isolated operation or stopping.
7, ignition furnace burning waste gas is drawn through after the igniting bed of material by sintering machine 0# technique suction ventilator, is sent to 4# technique air feed
Machine is recycled, and combustion of natural gas is without exhaust gas outlet.
8, when burner accident extinguishing, combustion gas auto-safety shut-off is simultaneously alarmed.
9, using high quality combustion controller, flame-out purging is enforced, operational safety is greatly improved, effectively prevent quick-fried
Furnace.
Claims (3)
1.ISP ignition furnace of sintering machine ignition device for natural gas, it is characterized in that: being uniformly arranged in ISP ignition furnace of sintering machine inner top
There are 12 burners (12), is divided into two rows of arrangements, every row six;Every row two sides amount to four burners, only in ignition furnace liter
It is used when warm, as heating up, small burner (12.1) is not used usually;
Every row's burner installs thermocouple (16) as temperature measuring point respectively;
Ignition furnace is externally provided with the burner control cabinet (17) with temperature controller TE and combustion controller IFD, and burner control cabinet connects
Pressure switch (5) and combustion gas electric control valve (6) are connect, and is controlled via reserved valve (3), gas filter (1), pressure gauge
(2) and gas pressure-reducing valve (4) conveying natural gas;
Burner control cabinet connects pressure switch and air electric control valve (7), and controls manual via air blower (18) and air
The air of valve (11) conveying;
Natural gas after decompression is sent by combustion gas hand-operated valve (8) to gas ignition solenoid valve (10) control connecting with burner control cabinet
In igniter burner (13.1) in the burner of system, natural gas after decompression sent simultaneously by combustion gas hand-operated valve to burner control cabinet
In main burner (13) in the burner of combustion gas main solenoid valve (9) control of connection, natural gas is fed simultaneously in burner, and point is burnt
Mouth and burner control cabinet are also connected with flame ionic detector (14) and ignition transformer (15) forms independent igniting and examines with flame
It surveys;
Air is sent in the main burner in igniter burner and burner into burner respectively by air hand-operated valve, and combustion air is primary
Supply.
2. ISP ignition furnace of sintering machine ignition device for natural gas according to claim 1, it is characterized in that:
The burner flame injection direction and charge level are perpendicular.
3. ISP ignition furnace of sintering machine ignition device for natural gas according to claim 1, it is characterized in that:
The burner is respectively provided with natural gas electric control valve and combustion air electric control valve, and gas discharge and air quantity linkage are adjusted
Section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920433304.5U CN209706126U (en) | 2019-04-02 | 2019-04-02 | ISP ignition furnace of sintering machine ignition device for natural gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920433304.5U CN209706126U (en) | 2019-04-02 | 2019-04-02 | ISP ignition furnace of sintering machine ignition device for natural gas |
Publications (1)
Publication Number | Publication Date |
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CN209706126U true CN209706126U (en) | 2019-11-29 |
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ID=68646396
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CN201920433304.5U Expired - Fee Related CN209706126U (en) | 2019-04-02 | 2019-04-02 | ISP ignition furnace of sintering machine ignition device for natural gas |
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CN (1) | CN209706126U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111076215A (en) * | 2019-12-11 | 2020-04-28 | 上海齐耀热能工程有限公司 | Ground ignition device for petrochemical torch system |
CN113983492A (en) * | 2021-09-23 | 2022-01-28 | 内蒙古联晟新能源材料有限公司 | Ignition process for enhancing stability of smelting furnace fire gun |
-
2019
- 2019-04-02 CN CN201920433304.5U patent/CN209706126U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111076215A (en) * | 2019-12-11 | 2020-04-28 | 上海齐耀热能工程有限公司 | Ground ignition device for petrochemical torch system |
CN113983492A (en) * | 2021-09-23 | 2022-01-28 | 内蒙古联晟新能源材料有限公司 | Ignition process for enhancing stability of smelting furnace fire gun |
CN113983492B (en) * | 2021-09-23 | 2023-02-17 | 内蒙古联晟新能源材料有限公司 | Ignition process for enhancing stability of smelting furnace fire gun |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 Termination date: 20210402 |