CN209652352U - A kind of blast furnace crucibe air gap and lining wear judge equipment - Google Patents
A kind of blast furnace crucibe air gap and lining wear judge equipment Download PDFInfo
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- CN209652352U CN209652352U CN201920144398.4U CN201920144398U CN209652352U CN 209652352 U CN209652352 U CN 209652352U CN 201920144398 U CN201920144398 U CN 201920144398U CN 209652352 U CN209652352 U CN 209652352U
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- blast furnace
- brick fuel
- furnace crucibe
- air gap
- crucibe
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Abstract
The utility model discloses a kind of blast furnace crucibe air gaps and lining wear to judge equipment, including installing drainage exhaust pipeline and pressure transmitter on the thermocouple sheath for the raised blast furnace crucibe of temperature anomaly occur or on short tube that cupola well is reserved, by constantly track brick fuel temperature rise with the corresponding relationship of pressure change, and judge that the rising of brick fuel temperature is caused by corroding because of the hot face of the air gap or brick fuel of brick fuel huyashi-chuuka (cold chinese-style noodles) with this.Guidance is provided for blast furnace operating according to the reason of judging, the stable operation of blast furnace safety can be effectively facilitated.
Description
Technical field
The utility model belongs to blast furnace crucible corrosion monitoring field, and in particular to a kind of blast furnace crucibe air gap and lining wear
Judge equipment.
Background technique
Blast furnace ironmaking is the major processes of ironmaking technology, and recent domestic blast furnace frequently occurs the thing of hearth breakout
Therefore and by the raised puzzlement of cupola well brick fuel temperature anomaly, reduce the Production Life of blast furnace significantly, seriously threatened blast furnace
Safety in production, causes huge economic loss to enterprise.Therefore for blast furnace crucibe temperature exception increase, can in time, have
Effect judges abnormal the reason of increasing, and for instructing operation of blast furnace production, guarantees that cupola well has safely highly important effect.
Blast furnace crucibe can be run steadily in the long term depends on cooling equipment and refractory material forms stable heat transfer
System, but in the actual production process, because the cooling equipment leak in air port, string coal gas etc. will appear between cooling equipment and refractory material
Air gap will then destroy the heat transfer system of cupola well once there are air gaps in cupola well, cause cupola well brick fuel abnormal erosion, shorten high
Furnace li`.
At present for cupola well air gap mainly by be embedded in electric thermo-couple temperature inside carbon brick rely on live artificial experience come
Determine, and more due to influencing temperature variation factors, artificial judgement can be judged by accident often, and then influence operation of blast furnace production and
Production safety.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of blast furnace crucibe air gaps and lining wear to judge equipment,
The erroneous judgement for overcoming artificial experience to occur in time, accurately judges the reason of brick fuel increases extremely, mentions in time for operation of blast furnace production
For guidance.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of blast furnace crucibe air gap and lining wear judge equipment, including be embedded on blast furnace crucibe thermocouple sheath,
And pass through thermocouple sheath and be embedded in the thermocouple inside brick fuel, it further include drainage exhaust pipeline and pressure transmitter,
Middle drainage exhaust pipeline is connected with the short tube reserved on thermocouple sheath or blast furnace crucibe, and drainage exhaust pipeline is equipped with valve
Door, pressure transmitter are also connected with the short tube reserved on thermocouple sheath or blast furnace crucibe.
Further, drainage exhaust pipeline is connected with thermocouple sheath, pressure transmitter on blast furnace crucibe reserve it is short
Pipe is connected.
The utility model has the beneficial effects that: the blast furnace crucibe air gap and lining wear judge that equipment can be directly to existing
Structure improves, and simple, reliable, in time, accurately can judge that cupola well brick fuel temperature anomaly increases by the judgment method
The reason of, to provide guidance in time for blast furnace operating, effectively facilitate the stable operation of blast furnace safety.
Detailed description of the invention
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows
Attached drawing is illustrated:
Fig. 1 is the structural schematic diagram of the utility model.
Wherein: blast furnace crucibe -1, thermocouple sheath -2, brick fuel -3, thermocouple -4, drainage exhaust pipeline -5, pressure
Transmitter -6, valve -7.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
As shown in Figure 1, a kind of blast furnace crucibe air gap and lining wear judge equipment, including being embedded on blast furnace crucibe 1
Thermocouple sheath 2 and across thermocouple sheath 2 and the thermocouple 4 that is embedded in inside brick fuel 3 further includes drainage exhaust pipeline 5 with
And pressure transmitter 6, wherein drainage exhaust pipeline 5 is connected with the short tube reserved on thermocouple sheath 2 or blast furnace crucibe 1, arranges
Water gas exhaust piping 5 is equipped with valve 7, and pressure transmitter 6 is also connected with the short tube reserved on thermocouple sheath 2 or blast furnace crucibe
It is logical.
This programme can constantly be tracked in brick fuel temperature by adding pressure transmitter 6, drainage exhaust pipeline 5 and valve 7
Rise with the corresponding relationship of pressure change, and judge that the rising of brick fuel temperature is the hot face of air gap or brick fuel because of brick fuel huyashi-chuuka (cold chinese-style noodles) with this
Caused by erosion.Guidance is provided for blast furnace operating according to the reason of judging, the stable operation of blast furnace safety can be effectively facilitated.
Drainage exhaust pipeline 5 in the present embodiment is connected with thermocouple sheath 2, on pressure transmitter 6 and blast furnace crucibe 1
Reserved short tube is connected.Since water, the gas in blast furnace crucibe 1 can have an impact in a certain range, therefore it can directly utilize it
Upper reserved short tube, to reduce the installation difficulty of pressure transmitter 6.Certainly there are also other combining forms, such as drainage tracheae
Road 5 is connected with the short tube reserved on blast furnace crucibe 1, and pressure transmitter 6 is connected with thermocouple sheath 2；Drainage exhaust pipeline 5
It is connected with thermocouple sheath 2, pressure transmitter 6 is connected with thermocouple sheath 2；On drainage exhaust pipeline 5 and blast furnace crucibe 1
Reserved short tube is connected, and pressure transmitter 6 is connected with the short tube reserved on blast furnace crucibe 1.
Above-mentioned blast furnace crucibe air gap and lining wear judge the judgment method of equipment, the raised blast furnace of temperature anomaly are occurring
Drainage exhaust pipeline 5 and pressure transmitter 6 are installed on the thermocouple sheath 2 of cupola well 1 or on short tube that cupola well is reserved, passed through
Continuous tracking 3 temperature of brick fuel rises situation and pressure changing, and regulates and controls drainage exhaust pipeline according to pressure changing,
It is specific:
(1) if thermocouple 4 detects the raising of brick fuel temperature, the pressure that pressure transmitter 6 detects also quickly is increased, is then opened
The valve on drainage exhaust pipeline is opened to be drained, be vented.
According to electric thermo-couple temperature and pressure change relationship, if the temperature of thermocouple 4 increases, corresponding pressure transmitter 6
Pressure also quickly increase, can determine that cupola well brick fuel temperature increase be mainly brick fuel huyashi-chuuka (cold chinese-style noodles) air gap caused by.To prevent brick fuel temperature
Further increase, for huyashi-chuuka (cold chinese-style noodles) air gap Producing reason, drained by the valve 7 suitably opened on drainage exhaust pipeline 5,
Exhaust, passes through drainage exhaust pipeline 5 for the gas of the temperature raising zone in time and is discharged, spread out of high temperature heat in time, drops
Low heat transfer system thermal resistance keeps the heat transfer system of cupola well again stable normal horizontal at one, slows down brick fuel erosion.
(2) if thermocouple 4 detects the raising of 3 temperature of brick fuel, rising, which does not occur, in the pressure that pressure transmitter 6 detects to be become
Change, then adjust blast furnace operating system, including reduces rate of driving, reinforces intensity of cooling, using vanadium titanium furnace retaining.
If the temperature of thermocouple 4 increases, the pressure of corresponding pressure transmitter 6 does not change or does not increase, can determine that
It, at this time can be by adjusting blast furnace operating system caused by cupola well brick fuel temperature increases the mainly hot face of brick fuel 3 erosion.Such as reduce smelting
Intensity reinforces intensity of cooling, using vanadium titanium furnace retaining etc., slows down the erosion in the hot face of brick fuel in time, reduces brick fuel erosion rate, guarantees
Cupola well is long-lived, safe.
It should be noted that Open valve carries out drainage exhaust until the pressure that detects of pressure transmitter is in normal range (NR)
After interior, also to reexamine whether the brick fuel temperature that thermocouple monitoring goes out restores normal: if thermocouple monitoring goes out brick fuel, temperature is still
Abnormal increasing state, then also need to make according to upper successive step blast furnace operating system the heat transfer system of cupola well again it is stable at one just
Normal level.
The blast furnace crucibe air gap and lining wear judge that equipment can directly improve existing structure, pass through the judgement side
Method can simple, reliable, in time, accurately judge the reason of cupola well brick fuel temperature anomaly raising, in time be blast furnace operating
Guidance is provided, the stable operation of blast furnace safety has been effectively facilitated.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (2)
1. a kind of blast furnace crucibe air gap and lining wear judge equipment, including be embedded on blast furnace crucibe thermocouple sheath, with
And pass through thermocouple sheath and be embedded in the thermocouple inside brick fuel, it is characterised in that: further includes drainage exhaust pipeline and pressure
Transmitter, wherein drainage exhaust pipeline is connected with the short tube reserved on thermocouple sheath or blast furnace crucibe, drainage exhaust pipeline
It is equipped with valve, pressure transmitter is also connected with the short tube reserved on thermocouple sheath or blast furnace crucibe.
2. blast furnace crucibe air gap according to claim 1 and lining wear judge equipment, it is characterised in that: drainage tracheae
Road is connected with thermocouple sheath, and pressure transmitter is connected with the short tube reserved on blast furnace crucibe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920144398.4U CN209652352U (en) | 2019-01-28 | 2019-01-28 | A kind of blast furnace crucibe air gap and lining wear judge equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920144398.4U CN209652352U (en) | 2019-01-28 | 2019-01-28 | A kind of blast furnace crucibe air gap and lining wear judge equipment |
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| CN209652352U true CN209652352U (en) | 2019-11-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109576428A (en) * | 2019-01-28 | 2019-04-05 | 中冶赛迪工程技术股份有限公司 | A kind of blast furnace crucibe air gap and lining wear judge equipment and judgment method |
| CN111534658A (en) * | 2020-05-29 | 2020-08-14 | 鞍钢股份有限公司 | Method for detecting air gap between blast furnace shell and cooling wall |
-
2019
- 2019-01-28 CN CN201920144398.4U patent/CN209652352U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109576428A (en) * | 2019-01-28 | 2019-04-05 | 中冶赛迪工程技术股份有限公司 | A kind of blast furnace crucibe air gap and lining wear judge equipment and judgment method |
| CN111534658A (en) * | 2020-05-29 | 2020-08-14 | 鞍钢股份有限公司 | Method for detecting air gap between blast furnace shell and cooling wall |
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