CN207512202U - Slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well - Google Patents
Slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well Download PDFInfo
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- CN207512202U CN207512202U CN201721538768.XU CN201721538768U CN207512202U CN 207512202 U CN207512202 U CN 207512202U CN 201721538768 U CN201721538768 U CN 201721538768U CN 207512202 U CN207512202 U CN 207512202U
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- blast furnace
- liquid level
- slag iron
- iron liquid
- cupola well
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Abstract
The utility model discloses slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well, including：Channel steel stent, in blast furnace crucibe；Multiple armoured thermocouples are separately positioned on the different height of the channel steel stent, and the thermometric of the armoured thermocouple is upside down；Display instrument is connect by thermocouple terminal box and compensating wire with the armoured thermocouple, for the temperature described in real-time display in blast furnace crucibe.Using this monitoring device, staff can see the temperature of each armoured thermocouple detection by display instrument, so as to accurately be inferred to slag iron liquid level position in blast furnace crucibe, so it solves in the prior art in blast furnace ironmaking production, there is technical issues that can not slag iron in accurate judgement blast furnace crucibe, realize the technique effect of slag iron liquid level position in accurate judgement blast furnace crucibe.
Description
Technical field
The utility model is related to slag iron liquid level monitorings in technical field of blast furnace ironmaking more particularly to a kind of blast furnace cupola well to fill
It puts.
Background technology
In blast furnace ironmaking production, " igniting air-supply blow-on " is first key link for determining production level, wherein selecting
Selecting proper moment, to beat tapping outlet discharge slag iron most important, if open iron make a slip of the tongue it is late, easily lead to a large amount of slag irons be detained cupola wells and
Blast furnace air-supply operation process is restricted, is made a slip of the tongue morning if opening iron, it is low to easily lead to slag iron temperature, and flow velocity is small and slag iron ditch is caused to deposit
It blocks, influences the outer organization of production of stove.Thus how slag iron liquid level position in cupola well during the air-supply of accurate judgement blast furnace, it has also become
Core technology during blast furnace opening.Current each enterprise's usual way is to estimate slag in cupola well using stove air quantity is accumulated
Iron yield.
Since blast furnace is blown initial stage gas flow distribution and gas utilization rate is unstable, blow-on material structure composition is complicated, porosity
The accurately reasons such as estimation are difficult to, slag iron production quantity is susceptible to relatively large deviation, and then lead to blow-on in prior art estimation cupola well
After to first switch on iron mouth timing improper, slag iron is made to have some setbacks profit.
To sum up, at present in blast furnace ironmaking production, exist can not in accurate judgement blast furnace crucibe slag iron liquid level position skill
Art problem.
Utility model content
The embodiment of the present application solves in the prior art by providing slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well
In blast furnace ironmaking production, there is technical issues that can not slag iron in accurate judgement blast furnace crucibe, it is accurate to realize
Judge the technique effect of slag iron liquid level position in blast furnace crucibe.
This application provides slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well, including：
Channel steel stent, in blast furnace crucibe；
Multiple armoured thermocouples are separately positioned on the different height of the channel steel stent, and the armoured thermocouple
Thermometric is upside down；
Display instrument is connect by thermocouple terminal box and compensating wire with the armoured thermocouple, for showing in real time
Show the temperature in the blast furnace crucibe.
Preferably, the channel steel stent is fixed on vertically in the blast furnace crucibe, and apart from furnace wall 480mm~520mm.
Preferably, the channel steel stent is apart from the furnace wall 500mm.
Preferably, the conducting wire of the armoured thermocouple draws the blast furnace crucibe by the iron mouth of the blast furnace, and with institute
State the connection of thermocouple terminal box.
Preferably, the gap between the conducting wire of the armoured thermocouple and the iron mouth is blocked with stemming.
Preferably, the quantity of the armoured thermocouple is 3~5.
Preferably, asbestos cloth has been wrapped in the channel steel bracket outer.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
In the embodiment of the present application, slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well is disclosed, including：Channel steel branch
Frame, in blast furnace crucibe；Multiple armoured thermocouples are separately positioned on the different height of the channel steel stent, and described
The thermometric of armoured thermocouple is upside down；Display instrument passes through thermocouple terminal box and compensating wire and the armoured thermocouple
Connection, for the temperature described in real-time display in blast furnace crucibe.Using this monitoring device, staff can pass through display instrument
See the temperature of each armoured thermocouple detection, so as to accurately be inferred to slag iron liquid level position in blast furnace crucibe, so solve
In the prior art in blast furnace ironmaking production, existing the technology of slag iron liquid level position can not ask in accurate judgement blast furnace crucibe
Topic realizes the technique effect of slag iron liquid level position in accurate judgement blast furnace crucibe.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure diagram that the application applies slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well in example；
Description of symbols：101- channel steel stents, 102- armoured thermocouples, 103- thermocouple terminal boxes, 104- compensating wires,
105- display instruments.
Specific embodiment
The embodiment of the present application solves in the prior art by providing slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well
In blast furnace ironmaking production, there is technical issues that can not slag iron in accurate judgement blast furnace crucibe, it is accurate to realize
Judge the technique effect of slag iron liquid level position in blast furnace crucibe.
The technical solution of the embodiment of the present application is in order to solve the above technical problems, general thought is as follows：
Slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well, including：Channel steel stent, in blast furnace crucibe；It is multiple
Armoured thermocouple is separately positioned on the different height of the channel steel stent, and the thermometric of the armoured thermocouple is upside down；It is aobvious
Show instrument, connect by thermocouple terminal box and compensating wire with the armoured thermocouple, for blast furnace described in real-time display
Temperature in cupola well.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Embodiment one
As shown in Figure 1, present embodiments provide in a kind of blast furnace cupola well slag iron liquid level monitoring arrangement (hereinafter：Prison
Survey device), for monitoring the high temperature sludge iron liquid face present position that generates in cupola well during blast furnace blow-on, the monitoring device,
Including：
Channel steel stent 101, in blast furnace crucibe；
Multiple armoured thermocouples 102, are separately positioned on the different height of channel steel stent 101, and armoured thermocouple 102
Thermometric is upside down；
Display instrument 103 is connect by thermocouple terminal box 105 and compensating wire 104 with armoured thermocouple 102, is used
Temperature in real-time display blast furnace crucibe.
Further, channel steel stent 101 is fixed in blast furnace crucibe vertically, and apart from furnace wall 480mm~520mm (such as：
480mm or 500mm or 520mmm).
Further, the conducting wire 106 of armoured thermocouple 102 draws blast furnace crucibe, and couple with thermoelectricity by the iron mouth of blast furnace
Wire box 105 connects.
Further, the gap between the conducting wire 106 of armoured thermocouple 102 and iron mouth is blocked with stemming.
Further, the quantity of armoured thermocouple 101 for 3~5 (such as：3 or 4 or 5).
Further, asbestos cloth has been wrapped outside channel steel stent 101, so as to protector steel bracket 101.
In specific implementation process, display instrument 103 can show the temperature detected by each armoured thermocouple 102.
In specific implementation process, compensating wire 104 is used to connect thermocouple terminal box 105 and display instrument 103,
Make display instrument 103 far from furnace body bad environments region, so as to protect display instrument 103.
In specific implementation process, U-type groove steel bracket may be used in channel steel stent 1, and armoured thermocouple is installed for fastening
102, it is ensured that blow initial stage in blast furnace, armoured thermocouple 102 keeps working properly in high temperature and pressure coal gas environment, Bu Huifa
Raw failure or displacement.
In specific implementation process, the armoured thermocouple 102 for being set to different height position can be accurate by temperature indicating value
Reflect the location of slag iron liquid level, reach and judge slag iron liquid level in cupola well indirectly by electric thermo-couple temperature under ventilation state
Purpose.
In specific implementation process, by the way that 102 temperature measuring head vertical direction of armoured thermocouple is arranged, real-time grasp is realized
Slag iron liquid production quantity and the purpose of formation speed in cupola well.
In specific implementation process, by the way that the conducting wire 106 of armoured thermocouple 102 is drawn by iron mouth, realize in blast furnace
Information communication inside and outside furnace body under ventilation state.Because of the unique arrangement mode, cupola well under accurate monitoring ventilation state is reached
The target of interior furnace run situation.
In specific implementation process, after blast furnace opening air-supply, it can be read in cupola well by the display instrument 103 being placed in outside stove
The temperature of each armoured thermocouple 102；With the raising of in-furnace temperature, upper blast furnace reduction and the slag iron melted after blast furnace opening
Liquid is gradually dripped into cupola well, and slag iron liquid is gradually converged in cupola well in furnace charge gap, and slag iron liquid level is gradually increasing in cupola well, armour
Temperature indicating value reaches 1150 DEG C or more when dress 102 temperature measuring head of thermocouple is flooded by slag iron liquid, thus judges the slag generated in cupola well
Iron liquid reaches the installation site of 102 temperature measuring head of corresponding armoured thermocouple, so that it is determined that slag iron liquid level position.Further, it is possible to according to
This and then decision beat the appropriate opportunity of tapping outlet, significantly improve the reasonability on tapping outlet opportunity, promote blast furnace opening reinforcing
Smelt rhythm.
In the embodiment of the present application, after blast furnace air-supply, using display instrument 103 in stove vitro real time monitoring cupola well inner armor
The temperature of thermocouple 102, staff and then judges slag iron liquid level position caused by blast furnace process, in this way, efficiently solving
In the prior art by add up into stove Wind Coverage Calculation slag iron liquid production quantity accuracy it is poor the problem of, avoid because of slag iron liquid level position
Error in judgement, beat tapping outlet it is out of season and influence in stove strengthen rhythm.It realizes real-time during blast furnace opening air-supply
Monitor cupola well in temperature change, the target of accurate judgement slag iron liquid level physical location, for stokehold post determine beat tapping outlet when
Machine provides reliable basis, ensure that in the most rational time point discharge slag iron of blast furnace opening initial, alleviates stokehold workload,
It promotes and adds wind strengthening smelting in State of Blast Furnace rapidly.
By taking certain steel plant's blast furnace as an example, in order to which slag iron liquid generates situation in cupola well after accurate measurements blast furnace opening air-supply,
This patent slag iron liquid level monitoring arrangement is mounted in cupola well before blast furnace opening.The high 2.0m of its channel steel stent, using 3 armourings
Thermocouple 102, temperature measuring head are individually fixed in channel steel at away from furnace bottom 0.6m, 1.2m and 1.8m.After blast furnace ignition air-supply, thermoelectricity
Between even temperature gradually rises to 450 DEG C~600 DEG C by room temperature, three electric thermo-couple temperatures skyrocket breakthrough successively from bottom to top later
1150 DEG C, accurately reflect slag iron liquid generating state in cupola well.Stokehold post accurately determines tapping duration for the first time accordingly
Point.This time blow-on when tapping a blast furnace for the first time molten iron temperature reach 1496 DEG C, go out 380 tons of iron, good fluidity realizes for the first time that iron is i.e.
The target of the granulation of slag.Production practices prove that this monitoring device is sensitive reliable, can accurately reflect slag iron liquid in cupola well and generate feelings
Condition.
Technical solution in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage：
In the embodiment of the present application, slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well is disclosed, including：Channel steel branch
Frame, in blast furnace crucibe；Multiple armoured thermocouples are separately positioned on the different height of the channel steel stent, and described
The thermometric of armoured thermocouple is upside down；Display instrument passes through thermocouple terminal box and compensating wire and the armoured thermocouple
Connection, for the temperature described in real-time display in blast furnace crucibe.Using this monitoring device, staff can pass through display instrument
See the temperature of each armoured thermocouple detection, so as to accurately be inferred to slag iron liquid level position in blast furnace crucibe, so solve
In the prior art in blast furnace ironmaking production, existing the technology of slag iron liquid level position can not ask in accurate judgement blast furnace crucibe
Topic realizes the technique effect of slag iron liquid level position in accurate judgement blast furnace crucibe.
Although the preferred embodiment of the utility model has been described, those skilled in the art once know substantially
Creative concept, then additional changes and modifications may be made to these embodiments.So appended claims are intended to be construed to wrap
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (7)
1. a kind of slag iron liquid level monitoring arrangement in blast furnace cupola well, which is characterized in that including：
Channel steel stent, in blast furnace crucibe；
Multiple armoured thermocouples are separately positioned on the different height of the channel steel stent, and the thermometric of the armoured thermocouple
Upside down；
Display instrument is connect by thermocouple terminal box and compensating wire with the armoured thermocouple, for real-time display institute
State the temperature in blast furnace crucibe.
2. slag iron liquid level monitoring arrangement in blast furnace cupola well as described in claim 1, which is characterized in that the channel steel stent erects
It is directly fixed in the blast furnace crucibe, and apart from furnace wall 480mm~520mm.
3. slag iron liquid level monitoring arrangement in blast furnace cupola well as claimed in claim 2, which is characterized in that the channel steel stent away from
From the furnace wall 500mm.
4. slag iron liquid level monitoring arrangement in blast furnace cupola well as described in claim 1, which is characterized in that the armoured thermocouple
Conducting wire draw the blast furnace crucibe, and connect with the thermocouple terminal box by the iron mouth of the blast furnace.
5. slag iron liquid level monitoring arrangement in blast furnace cupola well as claimed in claim 4, which is characterized in that the armoured thermocouple
Conducting wire and the iron mouth between gap blocked with stemming.
6. slag iron liquid level monitoring arrangement in blast furnace cupola well as described in claim 1, which is characterized in that the armoured thermocouple
Quantity be 3~5.
7. slag iron liquid level monitoring arrangement in the blast furnace cupola well as described in claim 1~6 is any, which is characterized in that described
Channel steel bracket outer has wrapped asbestos cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538768.XU CN207512202U (en) | 2017-11-16 | 2017-11-16 | Slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538768.XU CN207512202U (en) | 2017-11-16 | 2017-11-16 | Slag iron liquid level monitoring arrangement in a kind of blast furnace cupola well |
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| CN207512202U true CN207512202U (en) | 2018-06-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110628974A (en) * | 2019-10-15 | 2019-12-31 | 中冶赛迪重庆信息技术有限公司 | Operation decision method and system based on safe liquid level of hearth |
| CN111664957A (en) * | 2020-07-13 | 2020-09-15 | 广东韶钢松山股份有限公司 | Temperature detection system and method for detecting temperature of material column in blast furnace body |
| CN111914203A (en) * | 2020-04-30 | 2020-11-10 | 武钢集团昆明钢铁股份有限公司 | Calculation method of first tapping time and blast furnace blowing-in method |
-
2017
- 2017-11-16 CN CN201721538768.XU patent/CN207512202U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110628974A (en) * | 2019-10-15 | 2019-12-31 | 中冶赛迪重庆信息技术有限公司 | Operation decision method and system based on safe liquid level of hearth |
| CN110628974B (en) * | 2019-10-15 | 2021-07-27 | 中冶赛迪重庆信息技术有限公司 | Operation decision method and system based on safe liquid level of hearth |
| CN111914203A (en) * | 2020-04-30 | 2020-11-10 | 武钢集团昆明钢铁股份有限公司 | Calculation method of first tapping time and blast furnace blowing-in method |
| CN111914203B (en) * | 2020-04-30 | 2023-06-09 | 武钢集团昆明钢铁股份有限公司 | Calculation method of first tapping time and blast furnace opening method |
| CN111664957A (en) * | 2020-07-13 | 2020-09-15 | 广东韶钢松山股份有限公司 | Temperature detection system and method for detecting temperature of material column in blast furnace body |
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Effective date of registration: 20200508 Address after: Megampere industrial area in the West Street of Qian'an city of Hebei province Tangshan City No. 025 064400 Patentee after: QIAN'AN IRON AND STEEL COMPANY OF SHOUGANG Corp. Address before: 100041 No. 68, Shijingshan Road, Beijing, Shijingshan District Patentee before: BEIJING SHOUGANG Co.,Ltd. |