CN208536608U - A kind of converter furnace lining attemperator - Google Patents

Abstract

The utility model provides a kind of converter furnace lining attemperator, including roaster, gas supply mechanism and combustion air organization of supply, insulation cover is provided at the burner of the roaster, the insulation cover is corresponding with horizontal positioned converter fire door, the gas supply mechanism is connect by coal gas metal hose with the roaster, and the combustion air organization of supply is connect by combustion air metal hose with the roaster.The converter furnace lining attemperator carries out closing to converter fire door by roaster and carries out baking and thermal insulation to furnace lining heat proof material, solve the problems, such as furnace lining thermal loss when existing converter long-term stops smelting, delay converter burner hearth cooling rate, it avoids and reproduces rear furnace lining because of the damage caused by rapid heat cycle, create favorable conditions for the operation of converter furnace lining longevity.

Description

A kind of converter furnace lining attemperator

Technical field

The utility model belongs to black/non-ferrous metal smelting furnace maintenance equipment technology field, and in particular to a kind of converter Furnace lining attemperator.

Background technique

Converter is a kind of cylinder-shaped smelting furnace of outer cover of steel plate inner lining refractory, and converter is smelted usually not by outer Add the energy, chemical heat release occurs with the combustion air being blown by the physical thermal and hot metal composition of molten iron itself and completes.Furnace Lining refractories are often influenced by environment temperature alternating acute variation during the work time, and thermal shock resistance is to influence Make steel a key factor of furnace li`.Temperature of furnace lining is up to 1400 DEG C or more to converter during normal production, with ambient enviroment Between there are the exchanges of a large amount of heat.And blast furnace staying or conticaster failure are unavoidably had in integrated iron and steel works Situation occur or converter go into operation initial stage still cannot at full capacity steady production when, if converter for a long time stop production without right It takes Insulation, and when furnace lining cooling is put into production again again, temperature, which sharply increases, often generates huge thermal stress, It causes fire proof material of furnace lining to crack, peel off even avalanche, so that converter service life be made significantly to shorten.Currently, for Converter stops production for a long time keeps the temperature special equipment not yet, the general method additional heat burnt using coke is added, and Since coke combustion intensity is low, uneven heating is even inside burner hearth, and heat insulation effect is not satisfactory.

Utility model content

When being smelted the purpose of the utility model is to overcome existing converter long-time halt production the problem of furnace lining thermal loss.

For this purpose, the utility model provides a kind of converter furnace lining attemperator, including roaster, gas supply mechanism and Combustion air organization of supply is provided with insulation cover, the insulation cover and horizontal positioned converter at the burner of the roaster Fire door is corresponding, and the gas supply mechanism is connect by coal gas metal hose with the roaster, the combustion air supply Mechanism is connect by combustion air metal hose with the roaster.

Further, above-mentioned converter furnace lining attemperator further includes track, and the roaster is slided by driving motor Connection is on that track.

Further, the burner of the roaster uses ceramic heat storage body structure.

Further, above-mentioned converter furnace lining attemperator further includes PLC controller, the PLC controller and the baking Roasting device electrical connection.

Further, the gas supply mechanism includes that coal gas source, coal gas first manual stop valve, coal gas second are cut manually Disconnected valve, gas flow regulating valve and gas flow meter, the coal gas first manual stop valve, gas flow meter, gas flow tune It saves valve and the manual stop valve of coal gas second passes sequentially through flange or pipeline is connected between coal gas metal hose and coal gas source.

Further, above-mentioned converter furnace lining attemperator further includes carbon monoxide gas detector, the gas supply Mechanism further includes gas quick cut off valve, and the carbon monoxide gas detector is connect with the gas quick cut off valve.

Further, ultraviolet type flame monitor, the gas supply mechanism are provided at the burner of the roaster It further include gas quick cut off valve, the ultraviolet type flame monitor is connect with the gas quick cut off valve.

Further, the gas supply mechanism further includes pressure transmitter, combined aural and visual alarm and gas quick cut off valve, The combined aural and visual alarm and gas quick cut off valve are connect with pressure transmitter.

Further, the combustion air organization of supply includes air blower and combustion air hand off valve, the air blast It is connected between machine and combustion air hand off valve by flange or pipeline, the combustion air hand off valve passes through combustion-supporting sky Gas metal hose is connect with the roaster.

Compared with prior art, the utility model has the beneficial effects that

(1) this converter furnace lining attemperator provided by the utility model seals converter fire door by roaster It closes and baking and thermal insulation is carried out to furnace lining heat proof material, be capable of the thermal loss of effective compensation converter fire door, delay steel smelting furnace Thorax cooling rate avoids and reproduces rear furnace lining because of the damage caused by rapid heat cycle, extends converter furnace lining service life.

(2) this converter furnace lining attemperator provided by the utility model by setting carbon monoxide gas detector, The electrical controls safeguard measure such as ultraviolet type flame monitor, pressure transmitter ensures the peace of the converter furnace lining attemperator Row for the national games improves the safety of production.

(3) roaster is realized using mobile design in this converter furnace lining attemperator provided by the utility model Roaster is used alternatingly between standby position and working position, does not need to occupy crane operation, not to the normal smelting process of converter It will cause influence, while the burner of roaster is adopted as regenerative combustion technology, combustion air carried out using flue gas heat pre- Heat can improve combustion efficiency, reduce fuel consumption.

The utility model is described in further details below with reference to attached drawing.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model converter furnace lining attemperator.

Description of symbols: 1, converter；2, track；3, roaster；4, coal gas metal hose；5, coal gas first manual is cut Disconnected valve；6, gas flow meter；7, gas quick cut off valve；8, gas flow regulating valve；9, the manual stop valve of coal gas second；10, Combustion air metal hose；11, combustion air hand off valve；12, air blower.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical Novel limitation.

As shown in Figure 1, present embodiments providing a kind of converter furnace lining attemperator, including roaster 3, gas supply machine Structure and combustion air organization of supply, the roaster 3 are arranged in front of converter 1 on main operation platform, set at the burner of roaster 3 It is equipped with insulation cover, insulation cover is corresponding with horizontal positioned 1 fire door of converter, the gas supply mechanism and combustion air supply Mechanism is arranged near converter 1, and the gas supply mechanism is connect by coal gas metal hose 4 with the roaster 3, The combustion air organization of supply is connect by combustion air metal hose 10 with the roaster 3, when converter 1 needs long Between when stopping smelting, converter 1 is shaken to horizontal position, 1 fire door of converter horizontally toward front has on roaster 3 at this time The insulation cover of burner is directed at 1 fire door of converter, is then turned on gas supply mechanism, coal gas is introduced into the burner of roaster 3, should Gas source type can choose as the mixed gas of coke-stove gas, coal gas of converter, blast furnace gas or above-mentioned gas, to coal gas After burning, it is then turned on combustion air organization of supply, combustion air is introduced into the burner of roaster 3, coal gas is toasting at this time The burner outlet of device 3 is uniformly mixed with combustion air and vigorous combustion, is quickly generated thermal-flame and adds to 1 furnace lining of converter Heat heat preservation, the thermal loss of effective compensation converter fire door delays converter burner hearth cooling rate, avoid reproduce rear furnace lining because Damage caused by rapid heat cycle extends converter furnace lining service life；It needs to put into production again when the baking of converter 1 finishes When, it is initially switched off combustion air organization of supply, then cut off gas supply mechanism.

The embodiment of refinement, the roaster 3 using mobile design, roaster 3 standby position and working position it Between track 2 is set, the roaster 3 is slidably connected on the track 2 by driving motor, is not required to when converter 1 normally produces When wanting baking and thermal insulation, roaster 3 is parked in standby position, when the halt production of converter 1 needs baking and thermal insulation, driving motor driving baking Device 3 runs to working position on track 2 and carries out baking operation, and roaster 3 may be implemented by this mobile design in roaster 3 It is used alternatingly between standby position and working position, does not need to occupy crane operation, the normal smelting process of converter 1 not will cause It influences.And in order to further improve gas-fired effect, fuel consumption is reduced, the burner of the roaster 3 uses ceramic heat-storing Body structure, using high frequency direction changing ratio valve, so that high-temp waste gas and combustion air are in ceramic heat-storing body alternately through progress each other Sufficient heat exchange makes combustion air be preheating to 1000 DEG C or so, and the efficiency of flue gas waste heat recovery is greatly improved, and realizes steady Fixed, efficient, energy-saving combustion.Optimization, it can also be by the way that PLC controller (not indicating in figure) be arranged for 3 baking process of roaster It is controlled, the PLC controller is electrically connected with the roaster 3, and PLC controller is settable quickly, two or more pieces at a slow speed Temperature control curve requirement, temperature control curve parameter setting is carried out according to the demand of practical baking process in advance so that baking process according to Set temperature controlling curve carries out, and then guarantees the baking and thermal insulation effect to converter furnace lining.

Specifically, the gas supply mechanism includes that coal gas source, coal gas first manual stop valve 5, coal gas second are cut manually Disconnected valve 9, gas flow regulating valve 8 and gas flow meter 6, the coal gas first manual stop valve 5, gas flow meter 6, Gas Flow Adjustable valve 8 and the manual stop valve 9 of coal gas second pass sequentially through flange or pipeline be connected to coal gas metal hose 4 and coal gas source it Between；When 1 long-time blowing out of converter, coal gas first manual is successively opened after the burner of roaster 3 is directed at converter fire door Coal gas is introduced into the burning of roaster 3 by stop valve 5 and the manual stop valve 9 of coal gas second from coal gas source by coal gas metal hose 4 In mouth, the gas volume being introduced into roaster 3 is controlled by gas flow regulating valve 8 and gas flow meter 6 in the process, thus Realize the control to combustion intensity in roaster 3.The combustion air organization of supply includes that air blower 12 and combustion air are manual Stop valve 11 is connected between the air blower 12 and combustion air hand off valve 11 by flange or pipeline, the combustion-supporting sky Gas hand off valve 11 is connect by combustion air metal hose 10 with the roaster 3；After gas-fired, successively opens and help Air hand off valve 11 and air blower 12 are fired, air blower 12 provides combustion air, and combustion air is also introduced in roaster 3 It is mixed and burned in burner with coal gas, generates thermal-flame and converter furnace lining is heated.Optimization, the starting of air blower 12, Stopping, rotation speed of fan height can be chain with PLC controller, carry out dynamic regulation air blower 12 according to the temperature control curve of setting Operating status improves combustion efficiency, reduces energy consumption.

In addition, in order to ensure the baking and thermal insulation process safety operation to converter 1, a mountable oxygen near converter 1 Change carbon detector (not indicated in figure), while gas quick cut off valve 7 is set on gas pipeline, an oxidation Carbon detector is connect with the gas quick cut off valve 7, when carbon monoxide gas detector has detected carbon monoxide gas When body (i.e. coal gas) leaks, gas quick cut off valve 7 and carbon monoxide gas detector are chain, and gas quick cut off valve 7 is timely Open cutting gas piping.Further, ultraviolet type flame monitor can be also set at the burner of the roaster 3 (in figure Do not indicate), flame combustion operating condition is real-time monitored by ultraviolet type flame monitor, the ultraviolet type flame monitor with The gas quick cut off valve 7 connects, and when if any loss of ignition, flame-out, cutoff situation, gas quick cut off valve 7 is opened in time Cut off gas piping.Further, the gas supply mechanism further includes that pressure transmitter, combined aural and visual alarm and coal gas are quickly cut off Valve 7, the combined aural and visual alarm and gas quick cut off valve 7 are connect with pressure transmitter, hypertonia or it is too low when, acousto-optic Alarm issues sound-light alarm, while gas quick cut off valve 7 cuts off gas piping in time.The present embodiment passes through above-mentioned a series of Electrical control safeguard measure, ensured the safe operation of the converter furnace lining attemperator, improved the safety of production.

In conclusion this converter furnace lining attemperator provided by the utility model is by roaster to converter fire door It carries out closing and baking and thermal insulation is carried out to furnace lining heat proof material, efficiently solve furnace lining when existing converter long-term stopping is smelted The problem of thermal loss, delays converter burner hearth cooling rate, avoids and reproduces rear furnace lining because of the damage caused by rapid heat cycle, It creates favorable conditions for the operation of converter furnace lining longevity.

Exemplified as above is only to the utility model for example, not constituting to the protection scope of the utility model Limitation, within all designs the same or similar with the utility model all belong to the scope of protection of the present invention.

Claims (9)

1. a kind of converter furnace lining attemperator, it is characterised in that: supplied including roaster, gas supply mechanism and combustion air Mechanism is provided with insulation cover at the burner of the roaster, and the insulation cover is corresponding with horizontal positioned converter fire door, institute It states gas supply mechanism to connect by coal gas metal hose with the roaster, the combustion air organization of supply passes through combustion-supporting sky Gas metal hose is connect with the roaster.

2. converter furnace lining attemperator as described in claim 1, it is characterised in that: further include track, the roaster is logical Motor of overdriving is slidably connected on that track.

3. converter furnace lining attemperator as described in claim 1, it is characterised in that: the burner of the roaster is using ceramics Heat storage body structure.

4. converter furnace lining attemperator as described in claim 1, it is characterised in that: it further include PLC controller, the PLC Controller is electrically connected with the roaster.

5. converter furnace lining attemperator as described in claim 1, it is characterised in that: the gas supply mechanism includes coal gas Source, coal gas first manual stop valve, the manual stop valve of coal gas second, gas flow regulating valve and gas flow meter, the coal gas First manual stop valve, gas flow meter, gas flow regulating valve and the manual stop valve of coal gas second pass sequentially through flange or pipe Road is connected between coal gas metal hose and coal gas source.

6. converter furnace lining attemperator as claimed in claim 5, it is characterised in that: further include CO gas detection Device, the gas supply mechanism further includes gas quick cut off valve, and the carbon monoxide gas detector and the coal gas are quick Stop valve connection.

7. converter furnace lining attemperator as claimed in claim 5, it is characterised in that: be provided at the burner of the roaster Ultraviolet type flame monitor, the gas supply mechanism further includes gas quick cut off valve, the ultraviolet type flame monitoring Device is connect with the gas quick cut off valve.

8. converter furnace lining attemperator as claimed in claim 5, it is characterised in that: the gas supply mechanism further includes pressure Power transmitter, combined aural and visual alarm and gas quick cut off valve, the combined aural and visual alarm and gas quick cut off valve become with pressure Device is sent to connect.

9. converter furnace lining attemperator as described in claim 1, it is characterised in that: the combustion air organization of supply includes Air blower and combustion air hand off valve are connected between the air blower and combustion air hand off valve by flange or pipeline It connects, the combustion air hand off valve is connect by combustion air metal hose with the roaster.