CN208346210U - Blast funnace hot blast stove attemperator - Google Patents
Blast funnace hot blast stove attemperator Download PDFInfo
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- CN208346210U CN208346210U CN201820688028.2U CN201820688028U CN208346210U CN 208346210 U CN208346210 U CN 208346210U CN 201820688028 U CN201820688028 U CN 201820688028U CN 208346210 U CN208346210 U CN 208346210U
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- thermal insulation
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- blast stove
- combustion
- hot
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Abstract
The utility model discloses a kind of blast funnace hot blast stove attemperators comprising: combustion cutoff valve is used to connect with the vault manhole of hot-blast stove, and the combustion cutoff valve has water-cooling structure；Thermal insulation combustor is connect with combustion cutoff valve；Fuel supplying machine structure is connect with the thermal insulation combustor, provides diesel oil for the thermal insulation combustor；Fuel gas supplying mechanism is helped, is connect with the thermal insulation combustor, provides combustion air for the thermal insulation combustor；Cooling water supply mechanism is connect with the water-cooling structure of combustion cutoff valve described in its, provides cooling water for the combustion cutoff valve.The blast funnace hot blast stove attemperator of the utility model is not in the case where using the main burner of hot-blast stove, soak individually can be carried out to hot-blast stove, ensure its internal resistance to material temperature of accumulation of heat not less than the minimum temperature allowed, solve the problems, such as that hot-blast stove is kept the temperature during blast furnace staying, the heat preservation of hot-blast stove provides reliable guarantee when for blast furnace staying.
Description
Technical field
The utility model relates to a kind of heat-preserving equipments, and in particular to a kind of blast funnace hot blast stove attemperator.Belong to blast furnace refining
Iron industry hot-blast stove field.
Background technique
In iron and steel metallurgical industry, smelting generallys use hot-blast stove with blast furnace and provides hot wind for it, and hot wind stove heating is burnt furnace and adopted
It is completed with positioned at its top or external main burner, main burner is combustion-supporting by master using the self-produced blast furnace gas of blast furnace as fuel
Blower provides combustion air.When the blast furnace for having two or more while when producing, blast furnace gas caused by blast furnace is usually incorporated into always
Pipe network, the hot-blast stove of every seat height furnace all pipe network coal gas can be used to carry out burning furnace, realize that blast furnace gas is complementary.And since blast furnace needs to grow
The reasons such as time damping down or blowing out overhaul, when blast furnace no longer generates blast furnace gas, hot-blast stove will be unable to normally burn furnace heat preservation, will
It will lead to resistance to material in chamber of hot-blast stove to damage because of temperature decline.
Utility model content
In view of the above-mentioned problems in the prior art, the technical problem to be solved by the utility model is to provide one kind to exist
Do not have to complete the blast funnace hot blast stove attemperator of heat preservation in the case where blast furnace gas.
In order to solve the above-mentioned technical problem, the utility model adopts the technical scheme that
Blast funnace hot blast stove attemperator, comprising:
Combustion cutoff valve is used to connect with the vault manhole of hot-blast stove, and the combustion cutoff valve has water-cooling structure；
Thermal insulation combustor is connect with the combustion cutoff valve；
Fuel supplying machine structure is connect with the thermal insulation combustor, provides diesel oil for the thermal insulation combustor；
Fuel gas supplying mechanism is helped, is connect with the thermal insulation combustor, provides combustion air for the thermal insulation combustor；
Cooling water supply mechanism is connect with the water-cooling structure of the combustion cutoff valve, is provided for the combustion cutoff valve
Cooling water.
As the preferred of above-described embodiment, the thermal insulation combustor is diesel fuel burner, and the fuel supplying machine structure includes:
Diesel oil adjusts pipeline, connect with the thermal insulation combustor, conveys diesel oil for the thermal insulation combustor；
Fuel feeding component adjusts piping connection with the diesel oil, provides diesel oil for the thermal insulation combustor；
Compressed air adjusts pipeline, connect with the thermal insulation combustor, conveys diesel oil atomization compressed air；
Compressed air generator adjusts piping connection with the compressed air, provides diesel oil atomization compressed air.
It is described to help the fuel gas supplying mechanism to include: as the preferred of above-described embodiment
Combustion air adjusts pipeline, connect with the thermal insulation combustor, conveys combustion air for the thermal insulation combustor；
Combustion fan adjusts piping connection with the combustion air, provides combustion air for the thermal insulation combustor.
As the preferred of above-described embodiment, the cooling water supply mechanism includes:
Cooling water pipeline is connect with the water-cooling structure of the combustion cutoff valve, for combustion cutoff valve conveying cooling
Water；
Water supply pump house is connect with the cooling water pipeline, provides cooling water for the combustion cutoff valve.
As the preferred of above-described embodiment, the fuel supplying machine structure described helps fuel gas supplying mechanism and the cooling water
Feed mechanism is respectively provided with control valve, and the control valve includes regulating valve, stop valve and fast cut valve.
As the preferred of above-described embodiment, blast funnace hot blast stove attemperator further includes remote control center, the long-range control
Center processed is connect with the control valve.
Compared with prior art, the beneficial effect of the blast funnace hot blast stove attemperator of the utility model is: this is practical new
Type is connect by combustion cutoff valve with hot-blast stove using thermal insulation combustor, and the main burner at the top of hot-blast stove can not work normally
When, hot-blast stove can be carried out to burn furnace heat preservation, guarantee that its temperature reaches technique requirement, can avoid the temperature of the resistance to material of accumulation of heat in hot-blast stove
The problem of degree reduces and leads to damage.Simultaneously during hot-blast stove work, by closing combustion cutoff valve, separate high in hot-blast stove
Warm high pressure, it is ensured that its normal production operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the blast funnace hot blast stove attemperator of the utility model.
Description of symbols
1- combustion cutoff valve；2- thermal insulation combustor；3- compressed air adjusts pipeline；4- compressed air generator；5- diesel oil
Adjust pipeline；6- fuel feeding component；7- combustion air adjusts pipeline；8- combustion fan；9- cooling water pipeline；10- water supply pump house；
11- main burner；12- vault manhole；13- hot-blast stove；The resistance to material of 14- accumulation of heat.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as practical to this
Novel restriction.
Fig. 1 is the structural schematic diagram of the blast funnace hot blast stove attemperator of the utility model.As shown in Figure 1, the utility model
The blast funnace hot blast stove attemperator of embodiment includes:
Combustion cutoff valve 1 is used to connect with the vault manhole utility model of hot-blast stove 13, and combustion cutoff valve 1 has water
Air-cooled structure；Thermal insulation combustor 2 is connect with combustion cutoff valve 1；Fuel supplying machine structure is connect with thermal insulation combustor 2, to protect
Warm burner 2 provides diesel oil；Combustion air feed mechanism is connect with thermal insulation combustor 2, is provided for thermal insulation combustor 2 combustion-supporting
Air；Cooling water supply mechanism is connect with the water-cooling structure of combustion cutoff valve 1, provides cooling water for combustion cutoff valve 1.
Thermal insulation combustor 2 is installed at the vault manhole 12 of hot-blast stove by the utility model embodiment, and is cut by burning
Disconnected valve 1 controls the on-off of thermal insulation combustor 2 and vault manhole 12, can not work normally with the main burner 11 at the top of hot-blast stove
When, hot-blast stove 13 can be carried out to burn furnace heat preservation, guarantee that its temperature meets technique requirement, to avoid the resistance to material 14 of accumulation of heat in hot-blast stove
Temperature reduction cause damage the problem of.Simultaneously during hot-blast stove work, by closing combustion cutoff valve 1, separate hot-blast stove
High temperature and pressure in 13, it is ensured that its normal production operation.And thermal insulation combustor 2 is connected to by using combustion cutoff valve 1
Vault manhole 12, without changing the construction of hot-blast stove.
As the preferred of above-described embodiment, the hot blast stove system of the utility model can also further be arranged temperature, pressure,
The field signal acquisitions instrument such as flow, configures safety interlock protector and remote electric operates computer, realizes combustion blast furnace
The remote operation of hot-blast stove attemperator.Blast funnace hot blast stove attemperator can realize the output or high-power defeated of small-power fine adjustment
Out, it can be achieved that the accurate temperature controlling and the fast fast burning furnace of hot-blast stove of hot-blast stove heat preservation meet requirement of the blast oven to hot air flow.
Fuel supplying machine structure in the utility model embodiment can use any device appropriate and pipeline.Certainly, root
According to the burner and combustion medium specifically used, the specific configuration of fuel supplying machine structure can be different.Referring to Fig. 1, as it
In a preferred embodiment, thermal insulation combustor 2 use diesel fuel burner, fuel supplying machine structure include: diesel oil adjust pipeline 5,
It is connect with thermal insulation combustor 2, conveys diesel oil for thermal insulation combustor 2；Fuel feeding component 6 adjusts pipeline 5 with diesel oil and connect, is
Thermal insulation combustor 2 provides diesel oil；Compressed air adjusts pipeline 3, connect with thermal insulation combustor 2, conveying diesel oil atomization compression
Air；Compressed air generator 4 adjusts pipeline 3 with compressed air and connect, to provide diesel oil atomization compressed air.This is practical
The fuel supplying machine structure of new embodiment may include necessary control valve and instrument, such as control valve may include electronic
Regulating valve, stop valve and fast cut valve etc., instrument may include pressure transmitter, flowmeter etc..Instrument can acquire pressure, flow
Equal on-site signals, and the achievable remote operation such as control valve.It is achievable that diesel oil flow is accurately adjusted, diesel oil is quickly cut off and instrument
The long-range display function of table signal is adjusted for the flow to the diesel oil of thermal insulation combustor 2.Such as thermal insulation combustor 2 can realize it is small
The output of power fine adjustment or high-power output, meet height to realize accurate temperature controlling and the fast fast burning furnace of hot-blast stove that hot-blast stove finishes
Requirement of the baking oven furnace to hot air flow.
Help fuel gas supplying mechanism that can use any device appropriate and pipeline in the utility model embodiment.Certainly,
According to the burner and combustion medium specifically used, help the specific configuration of fuel gas supplying mechanism can be different.Referring to Fig. 1, make
For the preferred of above-described embodiment, helping fuel gas supplying mechanism includes: that combustion air adjusts pipeline 7, is connect with thermal insulation combustor 2,
Combustion air is conveyed for thermal insulation combustor 2；Combustion fan 8 adjusts pipeline 7 with combustion air and connect, mentions for thermal insulation combustor 2
For combustion air.The fuel gas supplying mechanism that helps of the utility model embodiment may include necessary control valve and instrument, such as
Control valve may include electric control valve, stop valve etc., and instrument may include pressure transmitter, flowmeter etc..Instrument can be with
The on-site signals such as acquisition pressure, flow, and the achievable remote operation such as control valve.For example, being adjusted on pipeline 7 in combustion air
Big regulating valve, minor adjustment valve, shut-off valve are set, there is combustion air regulatory function, for using combustion air to thermal insulation combustor 2
Flow adjust.Such as cooperation diesel fuel supply amount cooperates combustion-supporting gas supply amount, thermal insulation combustor 2 can realize that small-power fine adjustment is defeated
Out or high-power output is, it can be achieved that the accurate temperature controlling and hot-blast stove fast fast burning furnace of hot-blast stove heat preservation meet blast oven to hot wind
The requirement of flow.
As the preferred of above-described embodiment, cooling water supply mechanism includes: cooling water pipeline 9, with combustion cutoff valve 1
Water-cooling structure connection conveys cooling water for combustion cutoff valve 1；Water supply pump house 10 is connect with cooling water pipeline 9, is cut for burning
Disconnected valve 1 provides cooling water.Cooling water pipeline 9 may be implemented cooling water and recycle between combustion cutoff valve 1 and water supply pump house 10.This
Cooling water supply mechanism in utility model embodiment may include necessary control valve, such as control valve may include adjusting
Save valve, stop valve etc..For example, shut-off valve is arranged on cooling water pipeline 9, while water segregator and metal hose are set, being used for will
Cooling water is connect with combustion cutoff valve 1 and regulating water flow.Such as cooling water can be adjusted according to the temperature of thermal insulation combustor 2
Circulation rate or flow.
Combustion cutoff valve 1 in the utility model embodiment passes through vault manhole 12 for thermal insulation combustor 2 and hot-blast stove 13
Connection, combustion cutoff valve 1 use wedge-type sealing structure, and valve body, valve plate are designed using water cooling, and fire proofed wood is arranged in valve body high temperature position
Material protection.High temperature, high pressure when combustion cutoff valve 1 is for blast oven in partition hot-blast stove 13, to protect thermal insulation combustor 2.
The utility model embodiment can select the model for the thermal insulation combustor 2 for being suitble to it to use according to blast furnace heat size.It protects
Warm burner 2 can meet hot-blast stove guarantor using multistage nozzle structure, to reach the big output adjusting ratio of 4-20Mw simultaneously
Temperature and burning furnace requirement.Flame sensor, video heads are set simultaneously, since it has flame-out interlock protection and video image acquisition function
Can, therefore the safety of burning is improved, reduce labor intensity.
As the preferred of above-described embodiment, the blast funnace hot blast stove attemperator of the utility model embodiment is also provided with sky
Atmospheric pressure lower limit, the gaseous-pressure upper limit and flame-out safety interlocking protective device.
As the preferred of above-described embodiment, the blast funnace hot blast stove attemperator of the utility model embodiment further includes remotely controlling
Center processed, remote control center are connect with control valve.Remote controlled manner can be used in hot-blast stove heat preservation, and labor intensity is low, if
Security interlocking protection and high-precision regulating valve to be set, safety is kept the temperature and precision all reaches heat preservation method requirement, heat insulation effect is good,
Ground connection extends the service life of hot-blast stove.
Hot-blast stove attemperator when the utility model embodiment is as blast furnace staying or maintenance, is not using hot-blast stove master
In the case where burner 11, soak individually can be carried out to hot-blast stove 13, it is ensured that the temperature of its internal resistance to material 14 of accumulation of heat is not
Lower than the minimum temperature of permission (usual 650 DEG C), hot-blast stove is kept the temperature during solving the problems, such as blast furnace staying.The utility model is real
Applying example can be installed on for a long time at the vault manhole 12 of hot-blast stove 13, will not impact to the normal production of hot-blast stove 13.Work as heat
When wind furnace 13 needs to keep the temperature, the present apparatus can be started at any time, hot-blast stove 13 is heated, not need secondary installing debugging, having makes
With convenient, the stable feature of fast response time, performance.A kind of new heat preserving method is provided for blast funnace hot blast stove, is stopped for blast furnace
The heat preservation of hot-blast stove 13 provides reliable guarantee when wind.
The thermal insulation combustor 2 of the blast funnace hot blast stove attemperator of the utility model embodiment is using light diesel as combustion
Material, using compressed air as atomizing medium, diesel oil is sheared with the high-speed compressed air of certain pressure inside oil gun, rotation, is rushed
Oil stream is hit, generates fluid film, the effect rupture of abutment surface tension, to form small of 70 μm or so to oil gun exit
Grain, little particle are contacted with the spark that burning torch issues, and realize ignition function.It has ignition temperature height, fuel combustion sufficient
Feature.
It is illustrated below with reference to the course of work of the Fig. 1 to the utility model embodiment.
Compressed air supplying step: compressed air is adjusted pipeline 3 through compressed air and is conveyed to guarantor by compressed air generator 4
Warm burner 2, it is 80-200Nm that compressed air, which adjusts pipeline 3 and adjusts the flow of compressed air,3/ h, pressure 0.5-0.8MPa；
Diesel oil supplying step: diesel oil is adjusted pipeline 5 by diesel oil and is conveyed to thermal insulation combustor 2, diesel oil tune by fuel feeding component 6
Save pipeline 5 adjust diesel oil flow be 100-1500kg/h, pressure 0.5-1.0MPa；
Air delivery step: combustion air is adjusted pipeline 7 by combustion air and is conveyed to thermal insulation combustor by combustion fan 8
2, it is 1500-18000Nm that combustion air, which adjusts pipeline 7 and adjusts combustion air flow,3/ h, pressure 5-8KPa/h；
Diesel oil atomization step: diesel oil and compressed air are in the oil gun inside thermal insulation combustor 2 through oil gas after mixed aerosol
Outlet sprays into 2 built-in combustion room of thermal insulation combustor；
It selects baked wheaten cake furnace step: opening combustion cutoff valve 1, thermal insulation combustor 2 is connected by vault manhole 12 with hot-blast stove 13
It is logical, atomized diesel fuel enters in combustion chamber with combustion air mix after, light a fire through burning torch, combustion product gases are through vault manhole 12
Into in hot-blast stove 13, burning furnace is carried out to hot-blast stove 13；
It is flame-out to stop burning step: to adjust pipeline 3 by adjusting compressed air, diesel oil adjusts pipeline 5, combustion air adjusts pipeline
7 cut off compressed air, diesel oil, combustion air, by closing combustion cutoff valve 1 for high temperature and high pressure gas in hot-blast stove 13 and protecting
Warm burner 2 is separated.
The representative embodiment of the utility model has obtained detailed description.These detailed descriptions are not used in practical to this
Novel range is limited.Those skilled in the art can be practical to this in the essence and protection scope of the utility model
Novel to make various modifications or equivalent replacements, this modification or equivalent replacement also should be regarded as falling in the protection scope of the utility model
It is interior.Therefore, the combination of the feature in foregoing detailed description is not necessary practical for implementing this in most broad range
It is novel, and introduction only alternatively is provided to the representative embodiment being especially described in detail of the utility model.In addition, in order to
Obtain the utility model adds useful embodiment, and a variety of different features for providing introduction in the description can be by a variety of sides
Formula combines, however these modes are not included particularly and.
Claims (6)
1. blast funnace hot blast stove attemperator characterized by comprising
Combustion cutoff valve is used to connect with the vault manhole of hot-blast stove, and the combustion cutoff valve has water-cooling structure；
Thermal insulation combustor is connect with the combustion cutoff valve；
Fuel supplying machine structure is connect with the thermal insulation combustor, provides diesel oil for the thermal insulation combustor；
Fuel gas supplying mechanism is helped, is connect with the thermal insulation combustor, provides combustion air for the thermal insulation combustor；
Cooling water supply mechanism is connect with the water-cooling structure of the combustion cutoff valve, provides cooling for the combustion cutoff valve
Water.
2. blast funnace hot blast stove attemperator according to claim 1, which is characterized in that the fuel supplying machine structure includes:
Diesel oil adjusts pipeline, connect with the thermal insulation combustor, conveys diesel oil for the thermal insulation combustor；
Fuel feeding component adjusts piping connection with the diesel oil, provides diesel oil for the thermal insulation combustor；
Compressed air adjusts pipeline, connect with the thermal insulation combustor, for conveying diesel oil atomization compressed air；
Compressed air generator adjusts piping connection with the compressed air, to provide diesel oil atomization compressed air.
3. blast funnace hot blast stove attemperator according to claim 1, which is characterized in that described to help fuel gas supplying mechanism packet
It includes:
Combustion air adjusts pipeline, connect with the thermal insulation combustor, conveys combustion air for the thermal insulation combustor；
Combustion fan adjusts piping connection with the combustion air, provides combustion air for the thermal insulation combustor.
4. blast funnace hot blast stove attemperator according to claim 1, which is characterized in that cooling water supply mechanism packet
It includes:
Cooling water pipeline is connect with the water-cooling structure of the combustion cutoff valve, conveys cooling water for the combustion cutoff valve；
Water supply pump house is connect with the cooling water pipeline, provides cooling water for the combustion cutoff valve.
5. blast funnace hot blast stove attemperator according to claim 1, which is characterized in that the fuel supplying machine structure, described
Fuel gas supplying mechanism and the cooling water supply mechanism is helped to be respectively provided with control valve, the control valve includes regulating valve, cuts
Disconnected valve and fast cut valve.
6. blast funnace hot blast stove attemperator according to claim 5, which is characterized in that the blast funnace hot blast stove attemperator
It further include remote control center, the remote control center is connect with the control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688028.2U CN208346210U (en) | 2018-05-09 | 2018-05-09 | Blast funnace hot blast stove attemperator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688028.2U CN208346210U (en) | 2018-05-09 | 2018-05-09 | Blast funnace hot blast stove attemperator |
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| CN208346210U true CN208346210U (en) | 2019-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112342332A (en) * | 2020-10-22 | 2021-02-09 | 马鞍山钢铁股份有限公司 | Ignition heat preservation and inverse air supply integrated system for hot blast stove and operation method |
-
2018
- 2018-05-09 CN CN201820688028.2U patent/CN208346210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112342332A (en) * | 2020-10-22 | 2021-02-09 | 马鞍山钢铁股份有限公司 | Ignition heat preservation and inverse air supply integrated system for hot blast stove and operation method |
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