CN201589640U - Device for detecting position of material in blast furnace - Google Patents
Device for detecting position of material in blast furnace Download PDFInfo
- Publication number
- CN201589640U CN201589640U CN2010200552644U CN201020055264U CN201589640U CN 201589640 U CN201589640 U CN 201589640U CN 2010200552644 U CN2010200552644 U CN 2010200552644U CN 201020055264 U CN201020055264 U CN 201020055264U CN 201589640 U CN201589640 U CN 201589640U
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- Prior art keywords
- radar probe
- blast furnace
- radar
- transmitter
- receiver
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Abstract
The utility model discloses a device for detecting the position of a material in a blast furnace, which comprises a wave guide pipe, a radar probe transmitter, a radar probe receiver and a computer, wherein the bottom end of the wave guide pipe is downwards extended into the blast furnace; the radar probe transmitter and the radar probe receiver are fixedly arranged at the top end of the wave guide pipe; a transmitting end of the radar probe transmitter and a receiving end of the radar probe receiver correspond to the position surface of the material in the blast furnace through the wave guide pipe; and a signal outputting end of the radar probe receiver is connected with the computer through an electronic circuit. The device realizes the continues measurement and the large measurement range due to the adoption of the radar probe transmitter and the radar probe receiver, and has high disturbance resistance, high reliability and high precision since a radar wave can be continually emitted to a material position medium to be detected; and the wave guide pipe reduces the influence of the conduction heat to the radar probe transmitter and the radar probe receiver, prevents the radar probe transmitter and the radar probe receiver out of the furnace from being damaged, thus reducing the maintenance cost, and being safer and more convenient in use.
Description
Technical field
The utility model relates to a kind of thing level detecting apparatus, relates in particular to thing level detecting apparatus in a kind of State of Blast Furnace.
Background technology
The detection of thing position in the State of Blast Furnace, classic method is to take mechanical stock rod to detect, mechanical stock rod comprises weight, chain and elevating mechanism.Elevating mechanism promotes and puts down weight by the rope chain, and when weight contact charge level, chain does not just have pulling force, and at this moment, the length of calculating the chain lifting just draws the degree of depth of charge level in the State of Blast Furnace.But in this technical scheme, floating state may appear in weight, or when the charge level out-of-flatness, can occur that measuring error is big, precision is low; Each measurement will be put down weight earlier, when weight does not have pulling force, chain is promoted again, and measurement once just has one and puts the receipts cycle like this, so measurement data is discontinuous, and measurement range is limit by chain length; Temperature generally surpasses 600 ℃ in the stove in addition, weight and chain strip adoption cast iron quality, but serviceable life is all not long, need regularly change, and not only increases equipment and maintenance cost, and also blast furnace need stop production during replacing, has seriously influenced production.
Therefore, in the face of this difficult problem of level gauging in the blast furnace, each big steel enterprise all is devoted to seek a kind of measuring accuracy height, long service life, dependable performance, the pick-up unit that maintenance is little.
The utility model content
At above shortcomings part in the prior art, but the utility model provides thing level detecting apparatus in the State of Blast Furnace that a kind of continuity is measured, measurement range is big, precision is high, maintenance cost is low and safe in utilization.
The thing level detecting apparatus comprises waveguide pipe, radar probe transmitter, radar probe receiver and computing machine in the State of Blast Furnace that the utility model provides, described waveguide pipe bottom puts in the State of Blast Furnace downwards, described radar probe transmitter and radar probe receiver are fixedly installed on the top of waveguide pipe, the receiving end of the transmitting terminal of radar probe transmitter and radar probe receiver is corresponding with thing plane in the State of Blast Furnace by waveguide pipe, and the signal output part of radar probe receiver is connected with computing machine by electronic circuit.
Further, the top of described waveguide pipe also be provided with waveguide pipe in the nitrogen draft tube that is communicated with.
The beneficial effects of the utility model: the thing level detecting apparatus adopts waveguide pipe is set on blast furnace in the State of Blast Furnace, the top fixed installation radar probe transmitter of waveguide pipe and radar probe receiver, the microwave of radar probe transmitter emission arrives the surface of thing position in the stove by waveguide pipe, the echo that the surface dielectric of thing position reflects in the stove is accepted by radar probe receiver, by electronic circuit signal is imported computing machine, by Computer Analysis, calculate radar pulse signal from being transmitted into the off time of reception, calculate the distance on the surface of thing position in the stove of popping one's head in, and export corresponding signal.This device adopts radar probe transmitter and radar probe receiver realization continuity to measure, and measurement range is big; Owing to adopted the measuring principle of FMCW, make radar wave directive measuring media endlessly, antijamming capability is strong, reliability height, precision height; Adopt waveguide pipe to reduce of the influence of conduction heat, avoid damaging outer radar probe transmitter of stove and radar probe receiver, reduced maintenance cost, and used safer, convenient radar probe transmitter and radar probe receiver.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
Accompanying drawing is a structural representation of the present utility model, and as shown in the figure: the thing level detecting apparatus comprises waveguide pipe 1, radar probe transmitter 2, radar probe receiver 3 and computing machine 4 in the State of Blast Furnace.The bottom of waveguide pipe 1 puts in downwards in the blast furnace 6, the furnace wall of the tube wall of waveguide pipe 1 and blast furnace 6 is sealed and matched, radar probe transmitter 2 and radar probe receiver 3 are fixedly mounted on the top of waveguide pipe 1, the receiving end of the transmitting terminal of radar probe transmitter 2 and radar probe receiver 3 is corresponding with the interior thing plane of the stove of blast furnace 6 by waveguide pipe 1, and the signal output part of radar probe receiver 3 is connected with computing machine 4 by electronic circuit.
The temperature at blast furnace Cang Ding top is very high, generally surpasses 600 ℃, and top, storehouse top thickness is bigger, and generally about 1 meter to 1.5 meters, high temperature causes mainly due to the heat radiation of the high-temperature medium in the stove.Waveguide pipe 1 is set on furnace roof, radar transmitter 2 and the radar probe receiver 3 of popping one's head in is installed in the top of waveguide pipe 1, waveguide pipe 1 has reduced the influence of passing to heat, make the interior high-temperature gas of pipe can reach enough coolings, the high-temperature region of furnace roof had both been avoided on the top of waveguide pipe 1, make again that the thing positions form noncontacts in radar probe transmitter 2 and radar probe receiver 3 and the blast furnace 6, not rolled by gas fluid in blast furnace disorder, charge level, furnace roof is fetched water, the influence of gas ash output.
The top of waveguide pipe 1 is equipped with and the waveguide pipe 1 interior nitrogen draft tube 5 that is communicated with.In nitrogen draft tube 5, feed nitrogen, both, influenced measuring accuracy, also can cool off simultaneously waveguide pipe 1 in order to prevent that in-furnace dust dirt and foreign material from entering in the waveguide pipe 1.
The microwave of radar probe transmitter emission arrives the surface of thing position in the stove by waveguide pipe, the echo that the surface dielectric of thing position reflects in the stove is accepted by radar probe receiver, by electronic circuit signal is imported computing machine, by Computer Analysis, calculate radar pulse signal from being transmitted into the off time of reception, calculate the surface distance of thing position in the stove of popping one's head in, and export corresponding signal.Operation was both convenient, can detect the thing position in the stove again rapidly, continuously.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (2)
1. thing level detecting apparatus in the State of Blast Furnace, it is characterized in that: comprise waveguide pipe (1), radar probe transmitter (2), radar probe receiver (3) and computing machine (4), the bottom of described waveguide pipe (1) puts in the State of Blast Furnace downwards, described radar probe transmitter (2) and radar probe receiver (3) are fixedly installed on the top of waveguide pipe (1), the receiving end of the transmitting terminal of radar probe transmitter (2) and radar probe receiver (3) is corresponding with thing plane in the State of Blast Furnace by waveguide pipe (1), and the signal output part of radar probe receiver (3) is connected with computing machine (4) by electronic circuit.
2. thing level detecting apparatus in the State of Blast Furnace according to claim 1 is characterized in that: the top of described waveguide pipe (1) also is provided with and the interior nitrogen draft tube (5) that is communicated with of waveguide pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200552644U CN201589640U (en) | 2010-01-06 | 2010-01-06 | Device for detecting position of material in blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200552644U CN201589640U (en) | 2010-01-06 | 2010-01-06 | Device for detecting position of material in blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201589640U true CN201589640U (en) | 2010-09-22 |
Family
ID=42749427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200552644U Expired - Fee Related CN201589640U (en) | 2010-01-06 | 2010-01-06 | Device for detecting position of material in blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201589640U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819753A (en) * | 2015-04-24 | 2015-08-05 | 武金玉 | Submerged level gage |
| CN115267764A (en) * | 2022-07-22 | 2022-11-01 | 北京超测智能系统有限公司 | Method and system for measuring electrode depth of submerged arc furnace |
-
2010
- 2010-01-06 CN CN2010200552644U patent/CN201589640U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819753A (en) * | 2015-04-24 | 2015-08-05 | 武金玉 | Submerged level gage |
| CN104819753B (en) * | 2015-04-24 | 2019-01-25 | 武金玉 | Level-sensing device under liquid |
| CN115267764A (en) * | 2022-07-22 | 2022-11-01 | 北京超测智能系统有限公司 | Method and system for measuring electrode depth of submerged arc furnace |
| CN115267764B (en) * | 2022-07-22 | 2024-02-06 | 北京超测智能系统有限公司 | Method and system for measuring electrode depth of submerged arc furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20140106 |