CN108397784A - Blast furnace gas ignition diffusion system - Google Patents
Blast furnace gas ignition diffusion system Download PDFInfo
- Publication number
- CN108397784A CN108397784A CN201810181299.3A CN201810181299A CN108397784A CN 108397784 A CN108397784 A CN 108397784A CN 201810181299 A CN201810181299 A CN 201810181299A CN 108397784 A CN108397784 A CN 108397784A
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- Prior art keywords
- ignition
- high altitude
- blast furnace
- burning machine
- furnace gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/08—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases using flares, e.g. in stacks
- F23G7/085—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases using flares, e.g. in stacks in stacks
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/002—Evacuating and treating of exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/60—Combustion in a catalytic combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a kind of blast furnace gas ignition diffusion systems, including control room, pylon, desorption tube burner and high pressure, and conditioner occurs；Desorption tube burner is set as two, and three sets of high altitude ignition co-burning machines are provided on each desorption tube burner, and catalytic reaction chamber and elevator arc generating device are provided in high altitude ignition co-burning machine, and elevator arc generating device occurs conditioner with high pressure and connect；The bottom of high altitude ignition co-burning machine is provided with air intake and gas entry, and the top of high altitude ignition co-burning machine is higher than the top of desorption tube burner；The head of desorption tube burner, which is closed at high altitude ignition co-burning machine, is provided with flame detecting component；Master controller and computer are provided in control room, computer is connect with master controller, and conditioner occurs with high pressure for master controller and flame detecting component is connect.The configuration of the present invention is simple, reasonable design can substantially reduce investment and the operation expense of blast furnace gas ignition, improve the security reliability of blast furnace gas ignition.
Description
Technical field
The present invention relates to the technical field of energy saving and environmental protection of steel industry, is diffused more particularly, to a kind of blast furnace gas ignition and be
System.
Background technology
With the continuous enhancing of china's overall national strength, national economy stable development, infrastructure constantly improve, China is
As the country of world's output of steel first, while being also that steel consumes big country, pneumatic steelmaking is the important composition portion of steel production
Point, a large amount of inflammable, toxic, flammable coal gas of converter and other pollution tail gas, great Liang Yi are will produce in converter production process
When combustion, the toxic, gas that is corrosive can not recycle, in order to avoid polluting environment, spreading burner must be set and handle this
A little inflammable and explosive or toxic industrial waste gases and tail gas.Blast furnace gas is the byproduct of blast furnace ironmaking, principal combustible composition be CO,
H2With a small amount of CH4, there is a large amount of N2And CO2, transmission ＆ distribution are carried out by closed pipe network.But in the actual production process,
Due to the production of coal gas and for there are certain lacks of uniformity, would have to implement extra coal gas when pipe network is more than design pressure
It diffuses, if the blast furnace gas diffused is directly discharged into air by diffusing tower, serious atmosphere pollution can be caused, influence surrounding
Environment, or even personnel's gas poisoning is caused in the particular surroundings of individual periods.
Currently, the traditional way of domestic iron and steel enterprises is to retain ever-burning flame at the top of each diffusing tower, the igniting of ever-burning flame
It is usually the coke-stove gas of high heating value with burning air source；No matter whether blast furnace gas diffuses, the ever-burning flame of this burning coke-stove gas
Round-the-clock burning in 24 hours in one day.And the impurity contents such as tar are higher in coke-stove gas, it is easy to cause coke oven gas pipe
It blocks, with burning fray-out of flame；It is unable to fully burn so that diffusing blast furnace gas, the exceeded accidents of CO occurs.Therefore, these are grown
Open fire not only consumes a large amount of high heating value combustion gas of enterprise, and leading to iron and steel enterprise, the production cost increases, and it is unreliable to light a fire,
Larger pollution is caused to environment.For these reasons, it is necessary to design a kind of blast furnace gas ignition diffusion system.
Invention content
The object of the present invention is to provide a kind of blast furnace gas ignition diffusion systems, and simple in structure, reasonable design can be significantly
Investment and the operation expense for reducing blast furnace gas ignition, improve the security reliability of blast furnace gas ignition.
To achieve the above object, the present invention provides a kind of blast furnace gas ignition diffusion system, including control room, pylon,
Conditioner occurs for the desorption tube burner and high pressure being arranged on the pylon；
The desorption tube burner is set as two, and three sets of high altitude ignition cos are provided on each desorption tube burner
Burner, catalytic reaction chamber and elevator arc generating device are provided in the high altitude ignition co-burning machine, and the elevator electric arc occurs
Device occurs conditioner with the high pressure and is connect by high-tension cable；
The bottom of the high altitude ignition co-burning machine is provided with air intake and gas entry, the high altitude ignition co-burning machine
Top is higher than the top of the desorption tube burner；
The head of the desorption tube burner, which is closed at the high altitude ignition co-burning machine, is provided with flame detecting component, described
The setting quantity of flame detecting component is consistent with the setting quantity of the high altitude ignition co-burning machine；It is provided with master in the control room
Controller and computer, the computer are connect with the master controller, and with the high pressure conditioner occurs for the master controller
It is connected with the flame detecting component.
Preferably, the height of the high altitude ignition co-burning machine is 1.3 meters, and the top of the high altitude ignition co-burning machine is higher than
0.4 meter of the desorption tube burner top, the desorption tube burner, which is welded with the high altitude ignition co-burning machine by stabilizer blade, to be connected
It connects.
Preferably, the high pressure generation conditioner is set as six sets, and on the pylon on number second layer platform,
The environment temperature that conditioner occurs for the high pressure is -45~60 DEG C, and working method is controlled interruption or continuous work.
Preferably, the operating temperature of the high altitude ignition co-burning machine is -45~1000 DEG C, and resistance to 1200 DEG C of high temperature impacts,
Material is stainless steel.
Preferably, the environment temperature of the flame detecting component is -45~100 DEG C, and detection temperature is 0~1000 DEG C, fire
The flame response time is less than 30 seconds.
Preferably, the blast furnace gas that the high altitude ignition co-burning machine uses is introduced in the catalytic reaction chamber, is introduced
When flow velocity be 1-30m/s, calorific value >=600kcal/m3。
Therefore, the present invention uses above-mentioned blast furnace gas ignition diffusion system, simple in structure, reasonable design that can drop significantly
The investment of low blast furnace gas ignition and operation expense improve the security reliability of blast furnace gas ignition.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Description of the drawings
Fig. 1 is a kind of work flow diagram of blast furnace gas ignition diffusion system embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of blast furnace gas ignition diffusion system embodiment of the present invention.
Specific implementation mode
Embodiment
Fig. 1 is a kind of work flow diagram of blast furnace gas ignition diffusion system embodiment of the present invention, and Fig. 2 is that the present invention is a kind of
The structural schematic diagram of blast furnace gas ignition diffusion system embodiment, as shown, the present invention provides a kind of blast furnace gas ignitions
Conditioner 4 occurs for diffusion system, including control room 1, pylon 2, the desorption tube burner 3 being arranged on pylon 2 and high pressure；It diffuses
Pipe burner 3 is set as two, and three sets of high altitude ignition co-burning machines 5, high altitude ignition co-burning are provided on each desorption tube burner 3
Catalytic reaction chamber 6 and elevator arc generating device 7 are provided in device 5, with high pressure conditioner 4 occurs for elevator arc generating device 7
It is connected by high-tension cable；The bottom of high altitude ignition co-burning machine 5 is provided with air intake 8 and gas entry 9, high altitude ignition co-burning
The top of device 5 is higher than the top of desorption tube burner 3；The head of desorption tube burner 3, which is closed at high altitude ignition co-burning machine 5, to be arranged
There are flame detecting component 10, the setting quantity of flame detecting component 10 consistent with the setting quantity of high altitude ignition co-burning machine 5；Control
Master controller 11 and computer 12 are provided in room 1, computer 12 is connect with master controller 11, and master controller 11 occurs with high pressure
Conditioner 4 and flame detecting component 10 connect, the present invention be when desorption tube burner will diffused gas when, and fired in desorption tube
Burner is lighted always during diffusing, and the elevator arc generating device in high altitude ignition co-burning machine stops work after ignition
Make, no longer consumes electric energy, the combustion case of desorption tube burner has corresponding flame detecting component, it is ensured that is put when diffusing combustion gas
Separate tube burner is in completely burned state, the igniting of high altitude ignition co-burning machine and does not need other any fuel gas with burning, only
It is just to be used when desorption tube burner diffuses, is greatly reduced with the cost for combusting gas, zero consumption of processing is diffused in pursuit, is
The design of system from light automatically, with burnings, flame monitoring, the software and hardware technology of control system and equipment all using current control field
Advanced technology, while having fully considered the safety and reliability of application, using by practice test for many years and continuously improving
Ripe equipment and technology.
The course of work of system is：
After master controller obtains starting ignition signal, start corresponding direct-fired high altitude ignition co-burning machine igniting, peace immediately
The flame detecting component moment by desorption tube burner monitors flame conditions, after high altitude ignition co-burning machine is lighted, high-altitude
Ignition section in point partner's burner is stopped, and high altitude ignition co-burning machine is changed into high-altitude with burner, and high-altitude continues with burner
It lights until desorption tube burner stopping is diffused.
The course of work of high altitude ignition co-burning machine is：
When coal gas main pipe pressure, which reaches design, diffuses value, after master controller obtains starting ignition signal, occur to high pressure
Conditioner feeds 220V alternating currents, and high pressure occurs the high-voltage electricity that conditioner generates and gives high altitude ignition co-burning machine by high-tension cable
Interior elevator arc generating device generates planar electric arc, while the blast furnace gas that desorption tube burner diffuses is introduced into directly automatically
Inside combustion high altitude ignition co-burning machine, it is ignited in the case where being catalyzed reagentia, jets out flames from high altitude ignition co-burning machine top, it is high
Null point partner burner, flame detecting component are mounted on desorption tube burner head, and high pressure occurs conditioner and is mounted on pylon platform
On, by main controller controls, master controller is the highly reliable intelligent control system with compositions such as PLC and input and output, it is high
The control core of producer gas ignition bleeding system, it implements comprehensive management to field device and carries out data acquisition, while will letter
Breath is transmitted to computer, can also carry out semi-automatic, skilled hand at the scene and move ignition operation, and the information of live main controller passes through remote
Transmission unit and communication cable are sent on the computer of master control room, on computers it is observed that the work at scene
Process, flame conditions, logout and various tendency charts and the variation of each parameter, while ignition operation, modification parameter can be carried out
Deng.
The height of high altitude ignition co-burning machine 5 is 1.3 meters, and the top of high altitude ignition co-burning machine 5 is higher than desorption tube burner 3
0.4 meter of top, desorption tube burner 3 is welded to connect with high altitude ignition co-burning machine 5 by stabilizer blade.High pressure occurs conditioner 4 and is arranged
It it is six sets, and on pylon 2 on number second layer platform, the environment temperature that conditioner 4 occurs for high pressure is -45~60 DEG C, work
It is controlled interruption or continuous work to make mode.
The operating temperature of high altitude ignition co-burning machine 5 is -45~1000 DEG C, and resistance to 1200 DEG C of high temperature impacts, and material is stainless
Steel.
The environment temperature of flame detecting component 10 is -45~100 DEG C, and detection temperature is 0~1000 DEG C, the flame response time
Less than 30 seconds.
The blast furnace gas that high altitude ignition co-burning machine 5 uses is introduced in catalytic reaction chamber 6, and flow velocity when introducing is 1-
30m/s, calorific value >=600kcal/m3.
Therefore, the present invention uses above-mentioned blast furnace gas ignition diffusion system, simple in structure, reasonable design that can drop significantly
The investment of low blast furnace gas ignition and operation expense improve the security reliability of blast furnace gas ignition.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although the present invention is described in detail with reference to preferred embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Technical scheme of the present invention can be so modified or replaced equivalently, and these modifications or equivalent replacement cannot also make to repair
Technical solution after changing is detached from the spirit and scope of technical solution of the present invention.
Claims (6)
1. a kind of blast furnace gas ignition diffusion system, it is characterised in that：
Conditioner occurs including control room, pylon, the desorption tube burner being arranged on the pylon and high pressure；
The desorption tube burner is set as two, and three sets of high altitude ignition co-burnings are provided on each desorption tube burner
Device is provided with catalytic reaction chamber and elevator arc generating device in the high altitude ignition co-burning machine, and the elevator electric arc fills
It sets and is connect by high-tension cable with high pressure generation conditioner；
The bottom of the high altitude ignition co-burning machine is provided with air intake and gas entry, the top of the high altitude ignition co-burning machine
Higher than the top of the desorption tube burner；
The head of the desorption tube burner, which is closed at the high altitude ignition co-burning machine, is provided with flame detecting component, the flame
The setting quantity of probe assembly is consistent with the setting quantity of the high altitude ignition co-burning machine；
Master controller and computer are provided in the control room, the computer is connect with the master controller, the master control
Conditioner occurs with the high pressure for device processed and the flame detecting component is connect.
2. blast furnace gas ignition diffusion system according to claim 1, it is characterised in that：The high altitude ignition co-burning machine
Height is 1.3 meters, and the top of the high altitude ignition co-burning machine is higher than 0.4 meter of the desorption tube burner top, described to diffuse
Pipe burner is welded to connect with the high altitude ignition co-burning machine by stabilizer blade.
3. blast furnace gas ignition diffusion system according to claim 2, it is characterised in that：The high pressure occurs conditioner and sets
It is set to six sets, and on the pylon on number second layer platforms, the environment temperature that conditioner occurs for the high pressure is -45~
60 DEG C, working method is controlled interruption or continuous work.
4. blast furnace gas ignition diffusion system according to claim 3, it is characterised in that：The high altitude ignition co-burning machine
Operating temperature is -45~1000 DEG C, and resistance to 1200 DEG C of high temperature impacts, and material is stainless steel.
5. blast furnace gas ignition diffusion system according to claim 4, it is characterised in that：The ring of the flame detecting component
Border temperature is -45~100 DEG C, and detection temperature is 0~1000 DEG C, and the flame response time is less than 30 seconds.
6. blast furnace gas ignition diffusion system according to claim 5, it is characterised in that：The high altitude ignition co-burning machine makes
Blast furnace gas is introduced in the catalytic reaction chamber, and flow velocity when introducing is 1-30m/s, calorific value >=600kcal/m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810181299.3A CN108397784A (en) | 2018-03-06 | 2018-03-06 | Blast furnace gas ignition diffusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810181299.3A CN108397784A (en) | 2018-03-06 | 2018-03-06 | Blast furnace gas ignition diffusion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108397784A true CN108397784A (en) | 2018-08-14 |
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ID=63091881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810181299.3A Pending CN108397784A (en) | 2018-03-06 | 2018-03-06 | Blast furnace gas ignition diffusion system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111500816A (en) * | 2020-06-03 | 2020-08-07 | 广东韶钢松山股份有限公司 | Converter gas ignition and diffusion method and converter gas ignition and diffusion control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202131322U (en) * | 2011-05-23 | 2012-02-01 | 启东市海信机械有限公司 | Novel diffusing and automatic ignition system for blast furnace gas |
| CN203927952U (en) * | 2014-06-11 | 2014-11-05 | 鞍钢股份有限公司 | Automatic ignition and combustion accompanying device for blast furnace gas diffusion |
| CN104946833A (en) * | 2015-07-13 | 2015-09-30 | 河北煜剑节能技术有限公司 | Automatic ignition and combustion accompanying device for blast furnace and converter gas desorption tower |
| CN105219900A (en) * | 2014-06-11 | 2016-01-06 | 鞍钢股份有限公司 | Blast furnace gas diffusing method and automatic control system |
-
2018
- 2018-03-06 CN CN201810181299.3A patent/CN108397784A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202131322U (en) * | 2011-05-23 | 2012-02-01 | 启东市海信机械有限公司 | Novel diffusing and automatic ignition system for blast furnace gas |
| CN203927952U (en) * | 2014-06-11 | 2014-11-05 | 鞍钢股份有限公司 | Automatic ignition and combustion accompanying device for blast furnace gas diffusion |
| CN105219900A (en) * | 2014-06-11 | 2016-01-06 | 鞍钢股份有限公司 | Blast furnace gas diffusing method and automatic control system |
| CN104946833A (en) * | 2015-07-13 | 2015-09-30 | 河北煜剑节能技术有限公司 | Automatic ignition and combustion accompanying device for blast furnace and converter gas desorption tower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111500816A (en) * | 2020-06-03 | 2020-08-07 | 广东韶钢松山股份有限公司 | Converter gas ignition and diffusion method and converter gas ignition and diffusion control system |
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