CN108655384A - Ladle baking facility - Google Patents
Ladle baking facility Download PDFInfo
- Publication number
- CN108655384A CN108655384A CN201710197127.0A CN201710197127A CN108655384A CN 108655384 A CN108655384 A CN 108655384A CN 201710197127 A CN201710197127 A CN 201710197127A CN 108655384 A CN108655384 A CN 108655384A
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- China
- Prior art keywords
- combustion
- ladle
- heat
- gas
- baking facility
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
Abstract
The present invention provides a kind of ladle baking facility, including：First heat-accumulating burner；Second heat-accumulating burner；Reversal valve is connected with the first heat-accumulating burner and the second heat-accumulating burner；Fuel gas pipeline, one end are connected with reversal valve, and the other end is connected with fuel gas source；Combustion-supporting air pipe, one end are connected with reversal valve, and the other end is connected with combustion-supporting air source；Smoke-exhaust pipeline, one end are connected with reversal valve, and the other end is connected with an air-introduced machine；While reversal valve is suitable for that fuel gas pipeline and combustion-supporting air pipe being connected with the first heat-accumulating burner by itself switching in, smoke-exhaust pipeline is connected with the second heat-accumulating burner；And while fuel gas pipeline and combustion-supporting air pipe are connected with the second heat-accumulating burner, smoke-exhaust pipeline is connected with the first heat-accumulating burner.The ladle baking facility of the present invention can improve baking quality, and auxiliary reduces tapping temperature；Heating rate is fast, ignition temperature is high, and flame holding is good, chemical reaction rate and high combustion efficiency.
Description
Technical field
The invention belongs to steel-making continuous casting production technical fields, more particularly to a kind of ladle baking facility.
Background technology
Regenerative heat technology -- high temperature air combustion technology (HTAC) is pre- by air by the way of gas preheating air accumulation of heat
Heat effectively improves fuel economy to 1000 DEG C or more, makes the ignition temperature higher of coal gas, temperature field stable and uniform；It stores
Hot type roaster uses twin-jet nozzle, burner to be designed with lean premixed combustor, and space gas is pre-mixed after-combustion, improves ignition temperature；It hands over
For burning, make to be heated evenly in stove；High-temperature gas fully delivers heat to low-temperature space, avoid certain corners be persistently heated it is low, reduce
Thermal loss makes heating faster evenly；High temperature air combustion technology has energy-efficient multiple excellent with low NOx, CO2 discharge etc.
More property.Fundamentally capture that long-standing problem industrial furnace flue gas heat recovery rate is low, environmental pollution is serious great
Technical barrier.
Since 2002 roaster was transformed by the heat accumulating type mode singly preheated successively, but implement in domestic iron and steel enterprises
For process due to factors such as stabilization of equipment performance, later stage O＆Ms, the actual use situation of each iron and steel enterprise is largely not ideal, though
It is that heat accumulating type loses heat accumulation function, is no different with direct-fired, energy-saving effect is also bad.Comprehensive analysis reason is primarily present following
Problem：
1) device hardware high failure rate:
Reversal valve high failure rate, service life be low to cause not commutate；
Burner short life, single fire mouth work, loses heat storage capacity；
2) technological parameter not science；
3) there are security risks for equipment；
4) baking process no record can not trace to the source.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of ladle baking facilities, for solving
It cannot be pre- to combustion gas existing for the direct-fired ladle baking facility of tradition certainly in the prior art and single pre-heating heat accumulation type ladle baking facility
Heat, accumulation of heat form is backward, stability is poor, maintenance is big, be unfavorable for the energy efficiently use and environmental protection, it is present not to be inconsistent country
The problem of energy-saving and emission-reduction of promotion are with low-carbon economy theory.
In order to achieve the above objects and other related objects, the present invention provides a kind of ladle baking facility, the ladle baking facility
Including：
First heat-accumulating burner, inside are equipped with heat storage；
Second heat-accumulating burner, inside are equipped with heat storage；
Reversal valve is connected with first heat-accumulating burner and second heat-accumulating burner；
Fuel gas pipeline, one end are connected with the reversal valve, and the other end is connected with fuel gas source；
Combustion-supporting air pipe, one end are connected with the reversal valve, and the other end is connected with combustion-supporting air source；
Smoke-exhaust pipeline, one end are connected with the reversal valve, and the other end is connected with an air-introduced machine；
The reversal valve is suitable for by itself switching in the fuel gas pipeline and the combustion-supporting air pipe and described first
While heat-accumulating burner is connected, the smoke-exhaust pipeline is connected with second heat-accumulating burner；And by the combustion
While air pipe and the combustion-supporting air pipe are connected with second heat-accumulating burner, by the smoke-exhaust pipeline and described the
One heat-accumulating burner is connected.
A kind of preferred embodiment of ladle baking facility as the present invention, the reversal valve are two seven logical reversal valves.
A kind of preferred embodiment of ladle baking facility as the present invention, the heat storage are cellular heat storage.
A kind of preferred embodiment of ladle baking facility as the present invention, the ladle baking facility further include igniting fire inspection one
Formula igniter burner, the igniting fire inspection integral type igniter burner is located at first heat-accumulating burner and second heat accumulating type is burnt
In mouth.
A kind of preferred embodiment of ladle baking facility as the present invention, the ladle baking facility further include：
Supporting rack；
Arm configuration is raised, the arm configuration of raising is connect via rotary shaft with support frame as described above top movable；
Driving device is connected with the arm configuration of raising, and raises or falls suitable for raising arm configuration described in driving.
A kind of preferred embodiment of ladle baking facility as the present invention, the driving device include hoist engine or electro-hydraulic push away
Bar.
A kind of preferred embodiment of ladle baking facility as the present invention, the ladle baking facility further includes nitrogen sparge tube
Road is connected with the fuel gas pipeline, suitable for being purged after baking, the combustion gas in the fuel gas pipeline is discharged.
A kind of preferred embodiment of ladle baking facility as the present invention, the ladle baking facility further includes the first temperature sensing
Device, first temperature sensor are located in the smoke-exhaust pipeline, are suitable for measuring the temperature of the flue gas of discharge.
A kind of preferred embodiment of ladle baking facility as the present invention, the ladle baking facility further include：
Combustion-supporting gas pneumatic control valve is located on the combustion-supporting air pipe, is suitable for adjusting the combustion-supporting air pipe wife combustion gas
Flow；
Combustion air current orifice is located on the combustion-supporting air pipe, is suitable for measuring the combustion-supporting air pipe wife combustion gas
Flow；
Combustion gas pneumatic control valve is located on the fuel gas pipeline, is suitable for adjusting the flow of combustion gas in the fuel gas pipeline；
Gas flow orifice plate is located on the fuel gas pipeline, is suitable for measuring the flow of combustion gas in the fuel gas pipeline.
A kind of preferred embodiment of ladle baking facility as the present invention, the ladle baking facility further include CO detection alarm dresses
It sets, is connected with the combustion gas pneumatic control valve, start regulating valve simultaneously suitable for closing the combustion gas when detecting gas leakage
Alarm.
A kind of preferred embodiment of ladle baking facility as the present invention, the ladle baking facility further include：
First pressure switchs, and is located on the fuel gas pipeline, and be connected with the combustion gas pneumatic control valve, is suitable in institute
It states when the pressure in fuel gas pipeline is less than preset value and closes the combustion gas pneumatic control valve；
Second pressure switchs, and is located on the combustion-supporting air pipe, and be connected with the combustion-supporting gas pneumatic control valve, is suitable for
Pressure in the combustion-supporting air pipe closes the combustion-supporting gas pneumatic control valve when being less than preset value.
A kind of preferred embodiment of ladle baking facility as the present invention, the ladle include ladle main body and button as described
The ladle lid of ladle body top；The ladle baking facility further includes：
Second temperature sensor is inserted into the ladle main body via the ladle lid, is adapted to detect for the ladle
Baking temperature in main body.
A kind of preferred embodiment of ladle baking facility as the present invention, the ladle baking facility further includes control system, institute
State control system and the reversal valve, first temperature sensor, the combustion-supporting gas pneumatic control valve, the combustion air current amount
Orifice plate, the combustion gas pneumatic control valve, the gas flow orifice plate and the second temperature sensor are connected；Suitable in flue gas
Temperature be higher than setting value alarm；Absorbing quantity suitable for heat storage capacity and the air-introduced machine according to the storage heater sets institute
The commutating period of reversal valve is stated, and controls the reversal valve and carries out commutation switching according to commutating period；And suitable for being helped according to described in
The measured value of gas flow orifice plate and the gas flow orifice plate sets best fuel air ratio, and according to the best fuel air ratio to institute
It states combustion-supporting gas pneumatic control valve and the combustion gas pneumatic control valve is adjusted, the steel according to second temperature sensor detection
The combustion gas pneumatic control valve is adjusted in the baking process curve of the resistance to material of baking temperature and ladle in packet main body, and is losing
Fire or burner flame extinguish alarm.
A kind of preferred embodiment of ladle baking facility as the present invention, the control system includes PLC.
A kind of preferred embodiment of ladle baking facility as the present invention, the ladle baking facility further includes monitoring system, with
The control system is connected, the warning message sent out suitable for receiving the control system, and receives the combustion air current metering-orifice
The combustion air current amount information of plate acquisition, the gas flow information of gas flow orifice plate acquisition, first temperature sensor
Baking temperature in the flue-gas temperature of acquisition and the ladle main body of second temperature sensor acquisition.
As described above, the ladle baking facility of the present invention has the advantages that：The ladle baking facility of the present invention can carry
Height packet bottom baking temperature, improves baking quality, and auxiliary reduces tapping temperature；Heating rate is fast, ignition temperature is high, flame holding
Good, the overall process of the burnings such as evaporation, cracking, spontaneous combustion of fuel can accelerate, and improve chemical reaction rate and burning is imitated
Rate realizes the purpose of energy-saving and emission-reduction during ladle baking；The baking of the baking process of resistance to material curve can be installed, ladle is reduced
The scaling loss of liner magnesia carbon brick extends the service life of refractory material.
Description of the drawings
Fig. 1 is the ladle baking facility dimensional structure diagram of the present invention.
Component label instructions
10 first heat-accumulating burners
11 second heat-accumulating burners
12 reversal valves
13 fuel gas pipelines
14 combustion-supporting air pipes
15 air blowers
16 smoke-exhaust pipelines
17 supporting racks
18 raise arm configuration
19 rotary shafts
20 driving devices
21 first temperature sensors
22 combustion-supporting gas pneumatic control valves
23 combustion air current orifices
24 combustion gas start regulating valve
25 gas flow orifice plates
26 second temperature sensors
27 air-introduced machines
28 control systems
29 ladle main bodys
30 ladle lids
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
It please refers to Fig.1.It should be noted that the diagram provided in the present embodiment only illustrates the present invention's in a schematic way
Basic conception, though component count, shape when only display is with related component in the present invention rather than according to actual implementation in diagram
And size is drawn, when actual implementation form, quantity and the ratio of each component can be a kind of random change, and its assembly layout
Kenel may also be increasingly complex.
Referring to Fig. 1, the present invention provides a kind of ladle baking facility, the ladle baking facility includes：First heat-accumulating burner
10, heat storage (not shown) is installed inside first heat-accumulating burner 10；Second heat-accumulating burner 11, second accumulation of heat
Heat storage (not shown) is installed inside formula burner 11；Reversal valve 12, the reversal valve 12 and first heat-accumulating burner 10
And second heat-accumulating burner 11 is connected；Fuel gas pipeline 13,13 one end of the fuel gas pipeline are connected with the reversal valve 12
Logical, the other end is connected with fuel gas source；Combustion-supporting air pipe 14, described 14 one end of combustion-supporting air pipe are connected with the reversal valve 12
Logical, the other end is connected with combustion-supporting air source (air blower 15 as shown in Figure 1)；Smoke-exhaust pipeline 16, the smoke-exhaust pipeline 16 1
End is connected with the reversal valve 12, and the other end is connected with an air-introduced machine 27；The reversal valve 12 is suitable for switching by itself
It, will be described while the fuel gas pipeline 13 and the combustion-supporting air pipe 14 are connected with first heat-accumulating burner 10
Smoke-exhaust pipeline 16 is connected with second heat-accumulating burner 11；And by the fuel gas pipeline 13 and the combustion-supporting air pipe 14
While being connected with second heat-accumulating burner 11, the smoke-exhaust pipeline 16 is connected with first heat-accumulating burner 10
It is logical.
As an example, the combustion gas can be but be not limited only to coal gas, the combustion-supporting gas can be but be not limited only to combustion-supporting
Cold air.The combustion-supporting air source can be but be not limited only to air blower.
As an example, the reversal valve 12 can be but be not limited only to two seven logical reversal valves.
As an example, the heat storage is preferably cellular heat storage.
As an example, the ladle baking facility further includes igniting fire inspection integral type igniter burner, the igniting fire inspection one
The firing tip of formula igniter burner is located at the inside of first heat-accumulating burner 10 and second heat-accumulating burner 11.It will be described
Igniting fire inspection integral type igniter burner and first heat-accumulating burner 10 and 11 integrated setting of the second heat-accumulating burner,
The igniting fire inspection integral type igniter burner is solidificated in first heat-accumulating burner 10 and second heat-accumulating burner 11
In burner block, first heat-accumulating burner 10, second heat-accumulating burner 11 and igniting fire inspection integral type point are burnt
The size of mouth and conventional burner sizableness so that each structure distribution is compacter in the ladle baking facility, and total volume is more
Small, burning tissues and layout have significant advantage.Meanwhile the igniting fire inspection integral type igniter burner is in addition to having igniting work(
Can be outer, also have fiery checking functions can when catching fire or fray-out of flame automatic alarm, and automatic cut-off gas valve door.In addition, this
The burner of first heat-accumulating burner 10 and second heat-accumulating burner 11 in the ladle baking facility of invention turns equal
It is not contacted with steel construction, first heat-accumulating burner caused by coefficient of expansion difference can be prevented between steel construction and resistance to material
10 and the resistance to material on 11 head of the second heat-accumulating burner generate crack, and then avoid result in changing for combustion position and flame forms
Become.
It is dried in the ladle as an example, switching frequency of the reversal valve 12 when the ladle baking facility works is more than
Switching frequency when roasting device inoperative, i.e., when the ladle baking facility is toasted, the 12 switching interval time of the reversal valve
Less than switching interval time of the ladle baking facility in non-baking.Preferably, in the present embodiment, in the ladle baking facility
When being toasted, the switching interval time of the reversal valve 12 is 15 seconds, and cutting when the ladle baking facility is in non-baking
It is 60 seconds to change interval time；Certainly, in other examples, the switching interval time of the reversal valve 12 can also be according to practical need
It is set.When not toasting, due to still there is the impurity in a large amount of flue gases in each pipeline, it is easy to be set in the reversal valve 12
Cavity surface so that the elastic sealing element inside the reversal valve 12 is stuck, and when not toasting, keeps the reversal valve
12 are constantly in working condition (switching for still providing for the certain intervals time), can be to avoid the generation of the above situation.The steel
Switching interval time of the packet roaster in non-baking is more than switching interval time when baking, can ensure above-mentioned advantage
Under the premise of it is energy saving, reduce energy consumption.
As an example, the ladle baking facility further includes：Supporting rack 17；Raise arm configuration 18, it is described raise arm configuration 18 via
Rotary shaft 19 is connect with 17 top movable of support frame as described above；Driving device 20, the driving device 20 raise arm configuration 18 with described
It is connected, is fallen suitable for raising arm configuration 18 described in driving when the ladle baking facility is toasted, and finished in baking
Shi Yangqi.
As an example, the driving device 20 includes hoist engine or Electrohydraulic push rod.
As an example, the ladle baking facility further includes nitrogen sparge tube road (not shown), the nitrogen sparge tube road with
The fuel gas pipeline 13 is connected, suitable for being purged after baking, the combustion gas in the fuel gas pipeline 13 is discharged.
As an example, the ladle baking facility further includes the first temperature sensor 21, first temperature sensor 21
In in the smoke-exhaust pipeline 16, it is suitable for measuring the temperature of the flue gas of discharge.
As an example, the ladle baking facility further includes：Combustion-supporting gas pneumatic control valve 22, the combustion-supporting gas pneumatic control valve
22 are located on the combustion-supporting air pipe 14, are suitable for adjusting the flow of 14 wife's combustion gas of combustion-supporting air pipe；Combustion air current metering-orifice
Plate 23, the combustion air current orifice 23 are located on the combustion-supporting air pipe 14, are suitable for measuring 14 wife of combustion-supporting air pipe
The flow of combustion gas；Combustion gas pneumatic control valve 24, the combustion gas pneumatic control valve 24 are located on the fuel gas pipeline 13, are suitable for adjusting
The flow of combustion gas in the fuel gas pipeline 13；Gas flow orifice plate 25, the gas flow orifice plate 25 are located at the fuel gas pipeline
On 13, it is suitable for measuring the flow of combustion gas in the fuel gas pipeline 13.
As an example, the ladle baking facility further includes CO detection warning device (not shown), the CO detections alarm dress
It sets and is connected with the combustion gas pneumatic control valve 24, suitable for thering is combustion gas to let out in detecting the environment residing for the ladle baking facility
The combustion gas is closed when dew to start regulating valve 24 and alarm.
As an example, the ladle baking facility further includes：First pressure switchs (not shown), and the first pressure switchs position
In on the fuel gas pipeline 13, and it is connected with the combustion gas pneumatic control valve 24, is suitable for the pressure in the fuel gas pipeline 13
Power closes the combustion gas pneumatic control valve 24 when being less than preset value, to prevent non-return fire；Second pressure switchs (not shown), and described the
Two pressure switches are located on the combustion-supporting air pipe 14, and are connected with the combustion-supporting gas pneumatic control valve 22, are suitable for described
Pressure in combustion-supporting air pipe 14 closes the combustion-supporting gas pneumatic control valve 22 when being less than preset value.
As an example, the ladle includes the ladle lid of ladle main body 29 and button as 29 top of the ladle main body
30；The ladle baking facility further includes：Second temperature sensor 26, the second temperature sensor 26 is via the ladle lid
30 are inserted into the ladle main body 29, the baking temperature being adapted to detect in the ladle main body 29.
As an example, the ladle baking facility further includes control system 28, in the present embodiment, the control system 28 is control
Cabinet processed；The control system 28 and the reversal valve 12, first temperature sensor 21, the combustion-supporting gas pneumatic control valve
22, the combustion air current orifice 23, the combustion gas pneumatic control valve 24, the gas flow orifice plate 25 and the second temperature
Sensor 26 is connected；It is higher than setting value alarm suitable for the temperature in flue gas；Suitable for the heat storage capacity according to the storage heater
And the absorbing quantity of the air-introduced machine 27 sets the commutating period of the reversal valve 12, and when controlling the reversal valve 12 according to commutation
Between carry out commutation switching；And suitable for being set according to the measured value of the combustion air current orifice 23 and the gas flow orifice plate 25
Best fuel air ratio, and according to the best fuel air ratio to the combustion-supporting gas pneumatic control valve 22 and the combustion gas pneumatic control valve 24
It is adjusted, the baking of the baking temperature and the resistance to material of ladle in ladle main body 29 detected according to the second temperature sensor 26
The combustion gas pneumatic control valve 24 is adjusted in process curve, and catch fire or burner flame extinguish alarm.
As an example, the control system 28 includes PLC (programmable logic controller (PLC)).
As an example, the control system 28 may include data reception module, processing module, control module and alarm mould
Block；Wherein, the data reception module and first temperature sensor 21, the combustion air current orifice 23, the combustion gas
Flow-through orifice 25 and the second temperature sensor 26 are connected, and are suitable for receiving first temperature sensor 21, described combustion-supporting
The related data that throughput orifice plate 23, the gas flow orifice plate 25 and the second temperature sensor 26 acquire；The processing
Module is connected with the data reception module, suitable for flue-gas temperature and the setting temperature for acquiring first temperature sensor 21
Degree is compared, and it is empty to set best combustion according to the measured value of the combustion air current orifice 23 and the gas flow orifice plate 25
Than the baking process curve for the baking temperature and the resistance to material of ladle in ladle main body 29 for detecting the second temperature sensor 26
It is compared；The control module is connected with the processing module, is suitable for according to the heat storage capacity of the storage heater and described
The absorbing quantity of air-introduced machine 27 sets the commutating period of the reversal valve 12, and controls the reversal valve 12 and carried out according to commutating period
Commutation switching carries out the combustion-supporting gas pneumatic control valve 22 and the combustion gas pneumatic control valve 24 according to the best fuel air ratio
It adjusts, the baking process of the baking temperature and the resistance to material of ladle in ladle main body 29 detected according to the second temperature sensor 26
The combustion gas pneumatic control valve 24 is adjusted in curve；The alarm module is connected with the processing module, is suitable in cigarette
The alert when temperature of gas is higher than setting value, and the alert when catching fire or burner flame extinguishes.
As an example, the ladle baking facility further includes monitoring system (not shown), the monitoring system and the control
System 28 is connected, the warning message sent out suitable for receiving the control system 28, and receives the combustion air current orifice 23
The combustion air current amount information of acquisition, the gas flow information of the gas flow orifice plate 25 acquisition, first temperature sensor
The baking temperature in ladle main body that the flue-gas temperature and the second temperature sensor 26 of 21 acquisitions acquire, for engineering management
Personnel grasp related data information, and according to relevant information analysis combustion gas energy consumption, fractional energy savings, baking temperature curve and equipment operation
Situation.Preferably, the monitoring system can be set on mobile communication equipment (for example mobile phone etc.), for example monitor APP systems
System etc..
The operation principle of the ladle baking facility of the present invention is：
When not toasting, under the driving of the driving device 20, the arm configuration 18 of raising drives first heat accumulating type
Burner 10, second heat-accumulating burner, the reversal valve 12 and positioned at the Gas Pipe for raising 18 upper surface of arm configuration
Road 13, the combustion-supporting air pipe 14 and the smoke-exhaust pipeline 16 raise.
When baked, first heat-accumulating burner 10 and second heat-accumulating burner 11 are in the driving device 20
Decline under driving and fall on the ladle lid 30 of ladle, the top of the ladle lid 30 is equipped with opens with what is be connected to inside it
Hole；The air blower 15 switches to first heat accumulating type by combustion-supporting pneumatic transmission to the reversal valve 12, by the reversal valve 12
Burner 10 is heated to 1100 DEG C of left sides when by the heat storage inside first heat-accumulating burner 10 by high-temperature thermal storage body
It is right；Meanwhile combustion gas switches to first heat-accumulating burner 10 by the reversal valve 12；Combustion-supporting gas and combustion gas are described first
10 internal mix of heat-accumulating burner is burnt, and flame is ejected into the ladle main body 29, is preheated to ladle, the high temperature of generation
Flue gas is extracted out, by being located at second accumulation of heat under the action of air-introduced machine 27 via second heat-accumulating burner 11
When heat storage in formula burner 11, after transferring heat to the heat storage in second heat-accumulating burner 11, flue gas
Temperature drops to 100 DEG C or so and is discharged via the smoke-exhaust pipeline 16.After the said one commutation cycle, combustion-supporting gas passes through institute
It states reversal valve 12 and switches to second heat-accumulating burner 11, by the high-temperature thermal storage body inside second heat-accumulating burner 11
Afterwards, 1100 DEG C or so are heated to；Meanwhile combustion gas switches to second heat-accumulating burner 11 by the reversal valve 12；It helps
Combustion gas and combustion gas are mixed and burned in second heat-accumulating burner 11, are preheated to ladle, the high-temperature flue gas of generation is in institute
Under the action of stating air-introduced machine 27, extracted out via first heat-accumulating burner 10, by first heat-accumulating burner 10
When heat storage, the heat storage in first heat-accumulating burner 10 is transferred heat to, the temperature of flue gas drops to 100
DEG C or so and via the smoke-exhaust pipeline 16 be discharged.The above-mentioned period is repeated until baking terminates.
In conclusion the ladle baking facility of the present invention, the ladle baking facility include：First heat-accumulating burner, inside peace
Equipped with heat storage；Second heat-accumulating burner, inside are equipped with heat storage；Reversal valve, with first heat-accumulating burner and described
Second heat-accumulating burner is connected；Fuel gas pipeline, one end are connected with the reversal valve, and the other end is connected with fuel gas source；It helps
Fuel gas pipeline, one end are connected with the reversal valve, and the other end is connected with combustion-supporting air source；Smoke-exhaust pipeline, one end are changed with described
It is connected to valve, the other end is connected with an air-introduced machine；The reversal valve is suitable for by itself switching in the fuel gas pipeline
And the combustion-supporting air pipe is with first heat-accumulating burner while be connected, by the smoke-exhaust pipeline and second accumulation of heat
Formula burner is connected；And it is same the fuel gas pipeline and the combustion-supporting air pipe are connected with second heat-accumulating burner
When, the smoke-exhaust pipeline is connected with first heat-accumulating burner.The ladle baking facility of the present invention can improve packet bottom and dry
Roasting temperature, improves baking quality, and auxiliary reduces tapping temperature；Heating rate is fast, ignition temperature is high, and flame holding is good, fuel
The overall processes of the burnings such as evaporation, cracking, spontaneous combustion can accelerate, improve chemical reaction rate and efficiency of combustion, realize
The purpose of energy-saving and emission-reduction during ladle baking；The baking of the baking process of resistance to material curve can be installed, ladle liner magnesium is reduced
The scaling loss of carbon brick extends the service life of refractory material.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (15)
1. a kind of ladle baking facility, suitable for being toasted to ladle, which is characterized in that the ladle baking facility includes：
First heat-accumulating burner, inside are equipped with heat storage；
Second heat-accumulating burner, inside are equipped with heat storage；
Reversal valve is connected with first heat-accumulating burner and second heat-accumulating burner；
Fuel gas pipeline, one end are connected with the reversal valve, and the other end is connected with fuel gas source；
Combustion-supporting air pipe, one end are connected with the reversal valve, and the other end is connected with combustion-supporting air source；
Smoke-exhaust pipeline, one end are connected with the reversal valve, and the other end is connected with an air-introduced machine；
The reversal valve is suitable for by itself switching in the fuel gas pipeline and the combustion-supporting air pipe and first accumulation of heat
While formula burner is connected, the smoke-exhaust pipeline is connected with second heat-accumulating burner；And by the Gas Pipe
While road and the combustion-supporting air pipe are connected with second heat-accumulating burner, the smoke-exhaust pipeline and described first are stored
Hot type burner is connected.
2. ladle baking facility according to claim 1, it is characterised in that：The reversal valve is two seven logical reversal valves.
3. ladle baking facility according to claim 1, it is characterised in that：The heat storage is cellular heat storage.
4. ladle baking facility according to claim 1, it is characterised in that：The ladle baking facility further includes igniting fire inspection one
Body formula igniter burner, the igniting fire inspection integral type igniter burner are located at first heat-accumulating burner and second heat accumulating type
In burner.
5. ladle baking facility according to claim 1, it is characterised in that：The ladle baking facility further includes：
Supporting rack；
Arm configuration is raised, the arm configuration of raising is connect via rotary shaft with support frame as described above top movable；
Driving device is connected with the arm configuration of raising, and raises or falls suitable for raising arm configuration described in driving.
6. ladle baking facility according to claim 5, it is characterised in that：The driving device includes hoist engine or electro-hydraulic pushes away
Bar.
7. ladle baking facility according to claim 1, it is characterised in that：The ladle baking facility further includes nitrogen sparge tube
Road is connected with the fuel gas pipeline, suitable for being purged after baking, the combustion gas in the fuel gas pipeline is discharged.
8. ladle baking facility according to any one of claim 1 to 7, it is characterised in that：The ladle baking facility also wraps
The first temperature sensor is included, first temperature sensor is located in the smoke-exhaust pipeline, is suitable for measuring the temperature of the flue gas of discharge
Degree.
9. ladle baking facility according to claim 8, it is characterised in that：The ladle baking facility further includes：
Combustion-supporting gas pneumatic control valve is located on the combustion-supporting air pipe, is suitable for adjusting the stream of the combustion-supporting air pipe wife combustion gas
Amount；
Combustion air current orifice is located on the combustion-supporting air pipe, is suitable for measuring the flow of the combustion-supporting air pipe wife combustion gas；
Combustion gas pneumatic control valve is located on the fuel gas pipeline, is suitable for adjusting the flow of combustion gas in the fuel gas pipeline；
Gas flow orifice plate is located on the fuel gas pipeline, is suitable for measuring the flow of combustion gas in the fuel gas pipeline.
10. ladle baking facility according to claim 9, it is characterised in that：The ladle baking facility further includes CO detection reports
Alarm device is connected with the combustion gas pneumatic control valve, starts adjusting suitable for closing the combustion gas when detecting gas leakage
Valve is simultaneously alarmed.
11. ladle baking facility according to claim 9, it is characterised in that：The ladle baking facility further includes：
First pressure switchs, and is located on the fuel gas pipeline, and be connected with the combustion gas pneumatic control valve, is suitable in the combustion
Pressure in air pipe closes the combustion gas pneumatic control valve when being less than preset value；
Second pressure switchs, and is located on the combustion-supporting air pipe, and be connected with the combustion-supporting gas pneumatic control valve, is suitable in institute
It states when the pressure in combustion-supporting air pipe is less than preset value and closes the combustion-supporting gas pneumatic control valve.
12. ladle baking facility according to claim 9, it is characterised in that：The ladle include ladle main body and button as
The ladle lid of the ladle body top；The ladle baking facility further includes：
Second temperature sensor is inserted into via the ladle lid in the ladle main body, is adapted to detect for the ladle main body
Interior baking temperature.
13. ladle baking facility according to claim 12, it is characterised in that：The ladle baking facility further includes control system
System, it is the control system and the reversal valve, first temperature sensor, the combustion-supporting gas pneumatic control valve, described combustion-supporting
Throughput orifice plate, the combustion gas pneumatic control valve, the gas flow orifice plate and the second temperature sensor are connected；It is suitable for
It is higher than setting value alarm in the temperature of flue gas；Absorbing quantity suitable for heat storage capacity and the air-introduced machine according to the storage heater
The commutating period of the reversal valve is set, and controls the reversal valve and carries out commutation switching according to commutating period；And it is suitable for foundation
The measured value of the combustion air current orifice and the gas flow orifice plate sets best fuel air ratio, and empty according to the best combustion
It compares the combustion-supporting gas pneumatic control valve and the combustion gas pneumatic control valve is adjusted, examined according to the second temperature sensor
The combustion gas pneumatic control valve is adjusted in the baking process curve of baking temperature and the resistance to material of ladle in the ladle main body of survey,
And catch fire or burner flame extinguish alarm.
14. ladle baking facility according to claim 13, it is characterised in that：The control system includes PLC.
15. ladle baking facility according to claim 13, it is characterised in that：The ladle baking facility further includes monitoring system
System, is connected with the control system, the warning message sent out suitable for receiving the control system, and receives the combustion air current
The combustion air current amount information of orifice acquisition, the gas flow information of gas flow orifice plate acquisition, first temperature pass
Baking temperature in the flue-gas temperature of sensor acquisition and the ladle main body of second temperature sensor acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197127.0A CN108655384A (en) | 2017-03-29 | 2017-03-29 | Ladle baking facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197127.0A CN108655384A (en) | 2017-03-29 | 2017-03-29 | Ladle baking facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108655384A true CN108655384A (en) | 2018-10-16 |
Family
ID=63786089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710197127.0A Pending CN108655384A (en) | 2017-03-29 | 2017-03-29 | Ladle baking facility |
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| Country | Link |
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| CN (1) | CN108655384A (en) |
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| CN110548863A (en) * | 2019-10-25 | 2019-12-10 | 四川德胜集团钒钛有限公司 | High vanadium titanium steel baking equipment |
| CN111123829A (en) * | 2020-01-14 | 2020-05-08 | 攀钢集团攀枝花钢铁研究院有限公司 | Efficient heat storage baking method for steel ladle |
| CN111421131A (en) * | 2020-05-18 | 2020-07-17 | 芜湖新兴铸管有限责任公司 | Automatic control system for constant-temperature baking of tundish nozzle in continuous casting |
| CN112404414A (en) * | 2020-11-18 | 2021-02-26 | 湖南华中天地环保科技有限公司 | Automatic curve roaster and roasting method |
| CN113664193A (en) * | 2020-05-13 | 2021-11-19 | 北大方正集团有限公司 | Ladle roaster |
| CN114713808A (en) * | 2022-05-10 | 2022-07-08 | 江苏省镔鑫钢铁集团有限公司 | Oxygen-enriched ladle baking device and ladle baking method thereof |
| CN115255305A (en) * | 2022-08-23 | 2022-11-01 | 山东莱钢永锋钢铁有限公司 | Method for baking tundish of continuous casting machine |
| WO2023215928A1 (en) * | 2022-05-10 | 2023-11-16 | Fill Gesellschaft M.B.H. | Preheating station for preheating a melt transportation device |
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| WO2023215928A1 (en) * | 2022-05-10 | 2023-11-16 | Fill Gesellschaft M.B.H. | Preheating station for preheating a melt transportation device |
| CN115255305A (en) * | 2022-08-23 | 2022-11-01 | 山东莱钢永锋钢铁有限公司 | Method for baking tundish of continuous casting machine |
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