CN218916580U - Flexible thermocouple centralized extraction device for blast furnace hearth - Google Patents
Flexible thermocouple centralized extraction device for blast furnace hearth Download PDFInfo
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- CN218916580U CN218916580U CN202222790375.5U CN202222790375U CN218916580U CN 218916580 U CN218916580 U CN 218916580U CN 202222790375 U CN202222790375 U CN 202222790375U CN 218916580 U CN218916580 U CN 218916580U
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- flexible
- centralized
- blast furnace
- thermocouple
- furnace hearth
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a centralized lead-out device for flexible thermocouples of a blast furnace hearth, which comprises a body, wherein a centralized lead-out port is arranged at one end of the body, a flange is connected to the other end of the body, a plurality of flexible thermocouples are arranged in the body, one end of each flexible thermocouple penetrates through the centralized lead-out port, and the other end of each flexible thermocouple penetrates through the flange. The extraction device solves the problem of poor temperature measurement precision caused by fewer installed thermocouples in the conventional hearth thermocouple temperature measuring device.
Description
Technical Field
The utility model belongs to the technical field of installation of blast furnace hearth thermocouples, and relates to a flexible thermocouple centralized extraction device for a blast furnace hearth.
Background
The working condition of the blast furnace hearth directly determines the service life of the blast furnace, and with the strengthening smelting technologies of large ore batches, large air quantity and the like, the hearth is subjected to the static pressure of furnace burden, slag and molten iron and also is subjected to the high-temperature molten iron scouring, so that the brick lining and refractory at the bottom of the furnace are easy to crack and the molten iron is easy to permeate and erode, and therefore, the temperature detection of the hearth is particularly important. The traditional temperature measurement mode of the furnace hearth thermocouple is that a single branch or two branches are embedded in a carbon brick by a cooling wall gap, and in order to ensure the structural stability of a furnace body, the temperature measurement effect of a horizontal plane is not achieved at most by 8 points.
Disclosure of Invention
The utility model aims to provide a flexible thermocouple centralized leading-out device for a blast furnace hearth, which solves the problem of poor temperature measurement precision caused by fewer installed thermocouples of the traditional hearth thermocouple temperature measuring device.
The technical scheme includes that the centralized lead-out device for the flexible thermocouples of the blast furnace hearth comprises a body, wherein a centralized lead-out port is formed in one end of the body, a flange is connected to the other end of the body, a plurality of flexible thermocouples are arranged in the body, one end of each flexible thermocouple penetrates through the centralized lead-out port, and the other end of each flexible thermocouple penetrates through the flange.
The present utility model is also characterized in that,
the top of body is provided with the pouring hole.
And a sealing cover is arranged on the pouring hole.
The lengths of the flexible thermocouples penetrating through one end of the concentrated outlet are different.
A plurality of single sealing outlets are uniformly arranged on the flange.
The number of the single sealing outlet is the same as that of the flexible thermocouples.
The concentrated outlet is arranged coaxially with the body.
The beneficial effects of the utility model are as follows: according to the flexible thermocouple centralized lead-out device for the blast furnace hearth, the flexible thermocouples are pre-buried in the hearth carbon bricks and are led out intensively through the centralized lead-out ports, 32 flexible thermocouples can be led out at one time, the number of temperature measuring points of the hearth is increased by more than 4 times, the temperature measuring precision is greatly improved, the operation condition of the hearth is reflected in real time, and good effects of prolonging the service life of the blast furnace and maintaining a good working state of the hearth are achieved.
Drawings
FIG. 1 is a schematic diagram of a flexible thermocouple centralized extraction device for a blast furnace hearth of the utility model;
FIG. 2 is a schematic structural view of a flange in a flexible thermocouple centralized lead-out device for a blast furnace hearth of the utility model;
FIG. 3 is a schematic diagram of the layout of a flexible thermocouple centralized lead-out device for a blast furnace hearth.
In the figure, a pouring hole, a body, a flexible thermocouple, a concentrated outlet, a single sealing outlet, a flange, a hearth carbon brick, a furnace bottom and an outlet device are respectively arranged in the drawing, wherein the pouring hole, the body, the flexible thermocouple, the concentrated outlet, the single sealing outlet, the flange, the hearth carbon brick, the furnace bottom and the outlet device are respectively arranged in the drawing.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
The utility model provides a centralized lead-out device for flexible thermocouples of a blast furnace hearth, which has the structure shown in fig. 1, and comprises a body 2, wherein a pouring hole 1 is formed in the top of the body 2, epoxy resin is poured into the body 2 through the pouring hole 1 to play a role of fixing and sealing, a sealing cover is arranged on the pouring hole 1, one end of the body 2 is coaxially provided with a centralized lead-out port 4, the other end of the body 2 is connected with a flange 6, a plurality of single sealing lead-out ports 5 are uniformly arranged on the flange 6, a plurality of flexible thermocouples 3 are arranged in the body 2, one end of each flexible thermocouple 3 penetrates through the centralized lead-out port 4, the other end of each flexible thermocouple 3 penetrates through the single sealing lead-out port 5 arranged on the flange 6, and the lengths of the plurality of flexible thermocouples 3 penetrating through one end of the centralized lead-out port 4 are different so as to be arranged at different positions of a carbon brick.
The specific count of the flexible thermocouples 3 is 32, the number of the single sealing outlets 5 is the same as that of the flexible thermocouples 3, the number of the single sealing outlets 5 is also 32, each single sealing outlet 5 corresponds to one flexible thermocouple 3, and each single sealing outlet 5 is provided with a clamping sleeve screw for fixing the sealing flexible thermocouples 3.
The utility model relates to a blast furnace hearth flexible thermocouple centralized lead-out device, which comprises the following installation and working processes: as shown in fig. 3, the flexible thermocouples 3 are pre-buried in different positions in the hearth carbon bricks 7 along the longitudinal axis direction of the furnace wall, when the flexible thermocouples 3 are pre-buried, the carbon bricks are provided with grooves, so that the flexible thermocouples 3 are conveniently led into different heights of the hearth through the grooves, the flexible thermocouples 3 are led into the hearth carbon bricks 7 from the furnace bottom 8, and are led in turn from the hearth carbon bricks at the bottom, each flexible thermocouple 3 in the leading-out device is positioned at different heights and on a straight line, the concentrated leading-out port 4 is inserted into the furnace wall at the furnace bottom, the problem of leakage caused by leading-out of cooling walls can be avoided, the stability of the furnace body can be improved, the end face of the body 2 close to the concentrated leading-out port 4 is welded to the furnace wall for fixing, after 32 flexible thermocouples 3 are led out of the single sealing leading-out port 5, the flexible thermocouples are fixed to the flange 6 by using cutting sleeve screws, and epoxy resin is poured into the body 2 for fixing and sealing the flexible thermocouples through the pouring holes 1; according to the number of temperature measuring points designed for the blast furnace hearth, a plurality of the extraction devices 9 of the utility model can be installed, and each extraction device 9 is installed and operated according to the process.
Claims (7)
1. The utility model provides a flexible thermocouple centralized lead-out device of blast furnace hearth, its characterized in that, includes body (2), the one end of body (2) is provided with centralized lead-out mouth (4), the other end of body (2) is connected with flange (6), be provided with a plurality of flexible thermocouples (3) in body (2), every the one end of flexible thermocouple (3) is passed and is concentrated lead-out mouth (4), every the other end of flexible thermocouple (3) is passed flange (6).
2. The flexible thermocouple centralized-extraction device for the blast furnace hearth according to claim 1, wherein a pouring hole (1) is formed in the top of the body (2).
3. The flexible thermocouple centralized-extraction device for the blast furnace hearth according to claim 2, wherein a sealing cover is arranged on the pouring hole (1).
4. A blast furnace hearth flexible thermocouple centralized extraction device according to claim 1, characterized in that the lengths of the plurality of flexible thermocouples (3) passing through one end of the centralized extraction port (4) are different.
5. The flexible thermocouple centralized lead-out device for the blast furnace hearth according to claim 1, wherein a plurality of single sealing lead-out ports (5) are uniformly arranged on the flange (6).
6. The concentrated drawing device for the flexible thermocouples of the blast furnace hearth according to claim 5, wherein the number of the single sealed drawing outlets (5) is the same as the number of the flexible thermocouples (3).
7. A flexible thermocouple centralized tapping device for a blast furnace hearth according to claim 1, characterized in that said centralized tapping port (4) is arranged coaxially to the body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222790375.5U CN218916580U (en) | 2022-10-21 | 2022-10-21 | Flexible thermocouple centralized extraction device for blast furnace hearth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222790375.5U CN218916580U (en) | 2022-10-21 | 2022-10-21 | Flexible thermocouple centralized extraction device for blast furnace hearth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218916580U true CN218916580U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222790375.5U Active CN218916580U (en) | 2022-10-21 | 2022-10-21 | Flexible thermocouple centralized extraction device for blast furnace hearth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218916580U (en) |
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2022
- 2022-10-21 CN CN202222790375.5U patent/CN218916580U/en active Active
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