CN217922170U - Vertical scanning type radar device with temperature measurement function for blast furnace - Google Patents
Vertical scanning type radar device with temperature measurement function for blast furnace Download PDFInfo
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- CN217922170U CN217922170U CN202222261503.7U CN202222261503U CN217922170U CN 217922170 U CN217922170 U CN 217922170U CN 202222261503 U CN202222261503 U CN 202222261503U CN 217922170 U CN217922170 U CN 217922170U
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Abstract
The utility model belongs to the technical field of blast furnace level measurement and temperature measurement, especially, be a vertical scanning formula radar installations with temperature measurement function for blast furnace, this blast furnace is with vertical scanning formula radar installations with temperature measurement function includes sensor installation pole and actuating mechanism, wherein, sensor installation pole is equipped with radar sensor, and has laid a plurality of temperature sensor on sensor installation pole, actuating mechanism can drive radar sensor and move to the furnace core position from the oven edge, thereby can measure the material level from the oven edge to the furnace core in the blast furnace, and can measure the temperature from the edge to the furnace core; because sensor installation pole cavity, accessible air supply is to the inside inert gas that carries of sensor installation pole to can be for the cooling of radar sensor and for radar sensor's antenna deashing, also for the inside cable cooling of sensor installation pole simultaneously, make the device have longer life, and ensure radar sensor detection effect's stability, improve measurement reliability.
Description
Technical Field
The utility model belongs to the technical field of blast furnace level measurement and temperature measurement, concretely relates to blast furnace is with vertical scanning formula radar installations who has temperature measurement function.
Background
A blast furnace is a metal smelting equipment, mainly used for iron-smelting, it uses steel plate as furnace shell, the interior of the shell is built with refractory brick lining, when the blast furnace is used for iron-smelting, the iron ore, coke and slag-making flux are charged from furnace top, the preheated air is blown in from tuyere positioned along furnace periphery in the lower portion of the furnace, under the condition of high temp., the auxiliary fuel and oxygen in the blown air are combusted to produce carbon monoxide and hydrogen, in the course of raising in the furnace the oxygen in the iron ore is removed, so that the iron can be obtained by reduction, and the smelted molten iron can be discharged from the taphole.
In the blast furnace smelting process, the distribution condition of the material level in the furnace is required to be measured, so that the information of the surface distribution condition of the furnace charge, the depth change of the furnace charge, the descending speed of the furnace charge and the like in the smelting process is obtained.
At present, when an existing vertical scanning radar scans a material surface vertically, an included angle is formed between emitted radar waves and the material surface of a blast furnace, received radar echoes are few, the radar measuring capacity cannot be exerted, the top environment in the blast furnace is very severe, environmental factors such as high temperature, high pressure, strong metallic dust, water vapor and blast furnace gas exist, and the non-contact radar type distance measurement is seriously influenced under the condition of closed continuous production. Therefore, the existing vertical scanning radar has unreliable measurement data and even can not measure the data.
In addition, in the blast furnace smelting process, the temperature information in the blast furnace needs to be measured to reflect the temperature information of furnace burden, the temperature is measured by a cross temperature measuring device arranged at the furnace throat position in the current mode, but the cross temperature measuring device is transversely arranged in the furnace and can be impacted by the material in the blast furnace feeding process, the service life of the cross temperature measuring device is influenced, and the material distribution work in the furnace is also blocked.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a blast furnace is with vertical scanning formula radar installations that has temperature measurement function solves among the prior art blast furnace smelting process, is difficult to complete reliable measurement in the blast furnace from the technical problem of furnace core to marginal material level.
In order to solve the technical problem, the utility model adopts the following technical scheme:
provided is a vertical scanning radar device for a blast furnace, having a temperature measurement function, comprising:
the sensor mounting rod is arranged on the blast furnace and is positioned at the furnace throat and lower than the chute, a radar sensor is vertically arranged on the sensor mounting rod, a plurality of temperature sensors are distributed on the sensor mounting rod, the sensor mounting rod is hollow, one end of the sensor mounting rod penetrates through a furnace shell at the furnace throat, and a cable is laid inside the sensor mounting rod and used for supplying power to the radar sensor and the temperature sensors and transmitting signals;
the driving mechanism is used for driving the sensor mounting rod to change a detection position from the inner edge of the blast furnace to the furnace center in the blast furnace;
and the air source is used for conveying inert gas to the inside of the sensor mounting rod from the outside, so that the radar sensor is cooled, the dust of an antenna of the radar sensor is removed, and meanwhile, the cable inside the sensor mounting rod is cooled.
Preferably, the sensor mounting rod comprises an arc-shaped rod part and a vertical rod part, the arc-shaped rod part is close to the inner wall of the blast furnace, and the shape of the arc-shaped rod part is matched with that of the inner wall of the blast furnace; the radar sensor is arranged at the end position of the arc-shaped rod part, and the temperature sensor is arranged along the arc-shaped rod part; the vertical rod part passes through the furnace shell at the furnace throat.
Preferably, the driving mechanism is an angular travel driving device and is used for driving the vertical rod part to rotate, the vertical rod part further drives the arc rod part to swing, and the radar sensor can be driven to move to the position of the furnace core in the swinging process of the arc rod part.
Preferably, the lower side of the arc-shaped rod part is provided with an interface for mounting a temperature sensor.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this vertical scanning formula radar installations with temperature measurement function for blast furnace includes sensor installation pole and actuating mechanism, wherein, the sensor installation pole sets up the position that is less than the chute in furnace throat department on the blast furnace, be equipped with radar sensor on the sensor installation pole perpendicularly, and laid a plurality of temperature sensor on the sensor installation pole, actuating mechanism is used for driving sensor installation pole change detection position in the blast furnace, and can drive radar sensor and remove the furnace core position, because the whole level of charge level, radar sensor perpendicular and charge level, best measurement effect has been ensured, thereby can measure the charge level from edge to furnace core in the blast furnace, and can measure the temperature from edge to furnace core. The signal is transmitted to the special PLC system to realize the picture display, the function control is integrated into a whole, the computer controls the picture to be placed in the central control room, and the picture is directly operated by the blast furnace operator, or is manually or automatically set, positioned and detected or swung to the detection of the central position. And displaying the synthesized data picture.
2. Because the sensor mounting rod is hollow, and one end of the sensor mounting rod penetrates through the furnace shell at the furnace throat, a cable can be laid inside the sensor mounting rod, so that power supply and signal transmission for the radar sensor and the temperature sensor are facilitated.
3. Because sensor installation pole cavity, accessible air supply is to the inside inert gas that carries of sensor installation pole to can be for the cooling of radar sensor and for radar sensor's antenna deashing, also for the inside cable cooling of sensor installation pole simultaneously, make the device have longer life, and ensure radar sensor detection effect's stability, improve measurement reliability.
4. Actuating mechanism can drive sensor installation pole and deflect and dodge, and in material level and temperature measurement process, the impact of avoiding the unloading to cause has prolonged the device's life, simultaneously, has solved the problem that present cross temperature measurement hinders the cloth.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic view showing the installation of an embodiment of a vertical scanning radar device having a temperature measurement function for a blast furnace according to the present invention on the blast furnace.
Fig. 2 is a schematic view showing the distribution of sensors on a sensor mounting rod in an embodiment of the vertical scanning radar apparatus having a temperature measurement function for a blast furnace according to the present invention.
Fig. 3 is a schematic view showing the position of a sensor mounting rod at the throat of a blast furnace in an embodiment of a vertical scanning radar apparatus for a blast furnace according to the present invention having a temperature measurement function.
Fig. 4 is a schematic perspective view of a sensor mounting rod in an embodiment of a vertical scanning radar device having a temperature measurement function for a blast furnace according to the present invention.
Fig. 5 is a schematic view showing the installation of a temperature sensor in an embodiment of a vertical scanning radar apparatus for a blast furnace according to the present invention.
Fig. 6 is a schematic structural view of an intake pipe connected to a sensor mounting rod in an embodiment of a vertical scanning radar apparatus for a blast furnace according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A vertical scanning radar device with temperature measurement function for a blast furnace, please refer to fig. 1 to 6.
As shown in fig. 1, the vertical scanning radar device with temperature measurement function for a blast furnace comprises a sensor mounting rod 1 and a driving mechanism, wherein the driving mechanism is used for driving the sensor mounting rod 1 to change the detection position in the blast furnace, the sensor mounting rod 1 is arranged at the position, lower than a chute, of a furnace throat of the blast furnace 2, and the sensor mounting rod 1 is prevented from touching the chute when the detection position is changed.
As shown in fig. 2 and 4, the sensor mounting rod 1 includes an arc rod portion 11 and a vertical rod portion 12, as shown in fig. 3, the arc rod portion 11 is close to the inner wall of the blast furnace, and the shape of the arc rod portion 11 matches with the inner wall of the blast furnace 2, that is, the arc rod portion 11 is concentric with the blast furnace 2, so that the arc rod portion 11 is as close as possible to the inner wall of the blast furnace 2, and the sensor mounting rod is prevented from being damaged and impacted by the contact with the high temperature, high pressure, strong dust, steam, blast furnace gas and other environmental factors at the position of the furnace core.
Combine as shown in fig. 2, be equipped with radar sensor 5 on sensor installation pole 1 to laid a plurality of temperature sensor 4 on sensor installation pole 1, radar sensor 5 sets up the end position at arc pole portion 11, and temperature sensor 4 evenly arranges along arc pole portion 11, and temperature sensor 4 is used for measuring high furnace temperature, and radar sensor 5 is used for measuring the interior material level of stove.
The sensor mounting rod 1 is hollow, one end of the sensor mounting rod 1 penetrates through a furnace shell at the furnace throat of the blast furnace, in the embodiment, the vertical rod part 12 penetrates through the furnace shell at the furnace throat, and cables are laid inside the sensor mounting rod 1 and used for supplying power to the radar sensor 5 and the temperature sensor 4 and transmitting signals.
Specifically, as shown in fig. 5, a connector 111 for mounting the temperature sensor 4 is arranged at the lower side of the arc-shaped rod part 11, the connector 111 is provided with internal threads, the temperature sensor 4 is screwed into the connector 111, and the cable 41 of the temperature sensor 4 penetrates into the arc-shaped rod part 11 and out of the end of the vertical rod part 12.
This blast furnace is with vertical scanning formula radar installations that has temperature measurement function still includes nitrogen gas air supply, and it is used for to the inside inert gas nitrogen gas that carries of sensor installation pole 1 to for the cooling of radar sensor 5 and for the antenna deashing of radar sensor 5 bottom, also for the inside cable cooling of sensor installation pole 1 simultaneously.
The sensor mounting rod 1 in this embodiment is made of a high temperature resistant material, for example, a steel rod may be used, and the cable, the sealing plug 115 and other components are also made of a heat resistant material, for example, the cable may be made of an aluminum-clad invar heat resistant aluminum alloy stranded wire, and may operate in a high temperature environment of 230 ℃ for a long time, while the temperature of the top portion in the furnace is generally 100-200 ℃, so that the lead wire is not damaged due to high temperature.
As shown in fig. 1, the driving mechanism in this embodiment is an angular travel driving device 3 to drive the vertical rod 12 to rotate, the vertical rod 12 further drives the arc rod 11 to swing, and the radar sensor 5 can be driven to move to the position of the furnace core during the swing process of the arc rod 11.
As shown in fig. 3, in the present embodiment, the arc α of the arc rod 11 is about 60 degrees, so that the arc rod 11 can swing to the position of the furnace core during the swing process using the vertical rod 12 as the axis. In the working process, the action mode that the angular travel driving device 3 drives the vertical rod part 12 is to swing back and forth, and the arc-shaped rod part 11 is prevented from touching the inner wall of the blast furnace 2.
As shown in fig. 6, during the measurement, an air inlet pipe 121 is connected to the top end of the vertical rod 12 of the sensor mounting rod 1, one end of the air inlet pipe 121 is provided with a joint 122 connected to the vertical rod 12, the other end of the air inlet pipe is provided with a plug 123, a hole for the cable bundle 124 to pass through is formed in the middle of the plug 123, and sealing glue can be injected between the cable bundle 124 and the hole in the middle of the plug 123 to prevent air leakage. The side of the gas inlet pipe 121 is provided with a gas joint 1211, and a gas source inputs nitrogen gas to the sensor mounting rod 1 through the gas joint 1211.
This blast furnace is with vertical scanning formula radar installations with temperature measurement function is in the use, drives sensor installation pole change detection position in the blast furnace through actuating mechanism, and radar sensor and each temperature sensor on the sensor installation pole detect material level information and temperature information transmission to the host computer in different positions, through host computer record information at different positions to acquire inside material level data of blast furnace and temperature data.
In addition, in the blast furnace production process, the inert gas is continuously conveyed to the inside of the sensor mounting rod through the air source, so that the radar sensor is cooled and the dust of an antenna of the radar sensor is removed, meanwhile, the cable inside the sensor mounting rod is cooled, the antenna of the radar sensor is prevented from being covered by dust, and the service life of the radar sensor and the cable are prevented from being prolonged due to overhigh temperature.
In addition, actuating mechanism can drive the radar sensor on the sensor installation pole and remove the furnace core position to the material level of radar sensor measurement furnace core position, and when through the chute to the interior reinforced in-process of blast furnace, drive sensor installation pole through actuating mechanism and remove to the interior border position of blast furnace and dodge, prevent that the material from falling to cause the destruction on the sensor installation pole.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A vertical scanning radar device with a temperature measurement function for a blast furnace, comprising:
the sensor mounting rod is arranged on the blast furnace at a position lower than the chute at the throat and is horizontally arranged, a radar sensor is arranged on the sensor mounting rod, the radar sensor is perpendicular to the sensor mounting rod, a plurality of temperature sensors are distributed on the sensor mounting rod, the sensor mounting rod is hollow, one end of the sensor mounting rod penetrates through a furnace shell at the throat, and a cable is laid inside the sensor mounting rod and used for supplying power to the radar sensor and the temperature sensors and transmitting signals;
the driving mechanism is used for driving the sensor mounting rod to change a detection position from the inner edge of the blast furnace to the furnace center in the blast furnace;
and the air source is used for conveying inert gas to the inside of the sensor mounting rod from the outside, so that the radar sensor is cooled, the ash of an antenna of the radar sensor is removed, and meanwhile, the cable inside the sensor mounting rod is cooled.
2. The vertical scanning radar device for a blast furnace having a temperature measuring function according to claim 1, wherein: the sensor mounting rod comprises an arc rod part and a vertical rod part, the arc rod part is close to the inner wall of the blast furnace, and the shape of the arc rod part is matched with that of the inner wall of the blast furnace; the radar sensor is arranged at the end position of the arc-shaped rod part, and the temperature sensor is arranged along the arc-shaped rod part; the vertical rod part passes through the furnace shell at the furnace throat.
3. The vertical scanning radar device for a blast furnace having a temperature measuring function according to claim 2, wherein: the driving mechanism is an angle stroke driving device and is used for driving the vertical rod part to rotate, the vertical rod part further drives the arc rod part to swing, and the radar sensor can be driven to move to the position of the furnace center in the swinging process of the arc rod part.
4. The vertical scanning radar device for a blast furnace having a temperature measuring function according to claim 2, wherein: and a connector for mounting a temperature sensor is arranged on the lower side of the arc rod part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222261503.7U CN217922170U (en) | 2022-08-26 | 2022-08-26 | Vertical scanning type radar device with temperature measurement function for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222261503.7U CN217922170U (en) | 2022-08-26 | 2022-08-26 | Vertical scanning type radar device with temperature measurement function for blast furnace |
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| Publication Number | Publication Date |
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| CN217922170U true CN217922170U (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222261503.7U Active CN217922170U (en) | 2022-08-26 | 2022-08-26 | Vertical scanning type radar device with temperature measurement function for blast furnace |
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| CN (1) | CN217922170U (en) |
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- 2022-08-26 CN CN202222261503.7U patent/CN217922170U/en active Active
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