CN219886117U - Blast furnace molten iron liquid level measuring device - Google Patents
Blast furnace molten iron liquid level measuring device Download PDFInfo
- Publication number
- CN219886117U CN219886117U CN202320041070.6U CN202320041070U CN219886117U CN 219886117 U CN219886117 U CN 219886117U CN 202320041070 U CN202320041070 U CN 202320041070U CN 219886117 U CN219886117 U CN 219886117U
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- Prior art keywords
- molten iron
- mounting
- blast furnace
- liquid level
- cooling
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 52
- 239000007788 liquid Substances 0.000 title claims abstract description 51
- 238000009434 installation Methods 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims description 62
- 238000010926 purge Methods 0.000 claims description 27
- 238000005259 measurement Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000000112 cooling gas Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to the technical field of blast furnaces, in particular to a blast furnace molten iron liquid level measuring device. The device comprises a mounting unit, a first mounting plate and a second mounting plate, wherein the mounting unit comprises a mounting shell and two first mounting plates which are respectively arranged at two sides of the top of the mounting shell, the mounting shell is arranged in a mounting hole, and the two first mounting plates are respectively lapped on sealing plates at two sides of the mounting hole; the radar liquid level gauge is arranged in the installation shell, an antenna of the radar liquid level gauge extends out of the bottom surface of the installation shell so as to measure the liquid level of molten iron of the blast furnace, and a flange plate of the radar liquid level gauge is in flange connection with the bottom surface of the installation shell. According to the blast furnace molten iron liquid level measuring device provided by the utility model, the antenna of the radar liquid level meter extends out of the bottom surface of the installation part, so that the blast furnace molten iron liquid level can be measured, an operator can obtain accurate and visual liquid level measuring data, and the condition of the molten iron liquid level can be fully mastered.
Description
Technical Field
The utility model relates to the technical field of blast furnaces, in particular to a blast furnace molten iron liquid level measuring device.
Background
In the tapping process of the blast furnace in the iron works, post personnel need to master the liquid level change of the molten iron in the ladle at any time, so that overflow of the molten iron caused by overhigh liquid level is prevented, and the safety accident of molten iron landing is prevented. In the related art, the condition of the liquid level of the molten iron is generally indirectly mastered through the observation of an operator from an observation hole above the molten iron and according to the weight change of the rail weigher, but the method cannot intuitively measure the liquid level of the molten iron and has low accuracy.
Disclosure of Invention
The utility model provides a blast furnace molten iron liquid level measuring device, which solves the technical problems that the molten iron liquid level cannot be intuitively measured and the accuracy is low in the related technology.
The utility model provides a blast furnace molten iron liquid level measuring device, a sealing plate is arranged above the molten iron liquid level of the blast furnace, a mounting hole is arranged on the sealing plate, and the blast furnace molten iron liquid level measuring device comprises:
the mounting unit comprises a mounting shell and two first mounting plates which are respectively arranged at two sides of the top of the mounting shell, the mounting shell is arranged in the mounting hole, and the two first mounting plates are respectively lapped on sealing plates at two sides of the mounting hole;
the radar liquid level gauge is arranged in the installation shell, an antenna of the radar liquid level gauge extends out of the bottom surface of the installation shell so as to measure the liquid level of the blast furnace molten iron, and a flange plate of the radar liquid level gauge is in flange connection with the bottom surface of the installation shell.
In some embodiments, the blast furnace molten iron level measurement apparatus further comprises a cooling unit comprising an outer sleeve, an inner sleeve, a cooling air duct, a cooling loop pipe set, a first purge pipe, and a second purge pipe, wherein:
the cooling device comprises an installation shell, an outer sleeve, an inner sleeve, a cooling air pipe, a plurality of second purging pipes, an air outlet of each second purging pipe is arranged in the inner sleeve, the outer sleeve is arranged at the bottom of the installation shell, the inner sleeve is arranged inside the outer sleeve and is arranged with the outer sleeve at intervals, a cooling annular cavity is formed between the outer sleeve and the inner sleeve, the cooling air pipe is inserted from the top of the installation shell and extends downwards into the cooling annular cavity, the cooling air pipe is used for introducing cooling air, at least one first purging pipe is communicated with the cooling air pipe, the first purging pipe is arranged in the installation shell, the cooling annular pipe group surrounds the antenna, the cooling annular pipe group comprises at least one cooling annular pipe arranged at intervals vertically, the cooling annular pipe is communicated with the cooling air pipe, and the cooling annular pipe is provided with a plurality of second purging pipes towards one side of the antenna.
In some embodiments, a plurality of the second purge pipes are disposed at equal intervals along the circumference of the cooling collar.
In some embodiments, the device further comprises an access door, the top of the mounting housing is provided with an opening, and the access door is arranged at the opening of the mounting housing in an openable and closable manner.
In some embodiments, a cable port is provided at the top of the mounting housing for routing a cable of the radar level gauge.
In some embodiments, a second mounting plate is disposed on one side of the first mounting plate, which is close to the mounting hole, and the cooling air duct and the cable port are both disposed in the second mounting plate, and a space between the second mounting plate and the other first mounting plate is configured as an opening of the mounting housing.
In some embodiments, the access door is hinged to a side of the second mounting plate facing the other first mounting plate.
In some embodiments, the access door is provided with a handle.
In some embodiments, the blast furnace molten iron level measurement device further comprises a protective cover, the protective cover being provided to the mounting hole.
In some embodiments, two sides of the protective cover are provided with connecting plates, and the connecting plates are detachably connected with the mounting plates on the same side.
The utility model has the following beneficial effects:
the utility model provides a blast furnace molten iron liquid level measuring device which comprises a mounting unit, a radar liquid level gauge and an access door, wherein the radar liquid level gauge is arranged in a mounting shell, and a flange plate of the radar liquid level gauge is connected with a bottom surface flange of the mounting shell, so that the radar liquid level gauge is fixedly arranged in the mounting shell; the first mounting plates on two sides of the top of the mounting shell are respectively lapped on the sealing plates on two sides of the mounting hole, the mounting shell is arranged in the mounting hole of the sealing plate, and the mounting shell and the radar level gauge are both positioned between the sealing plate and the molten iron liquid level of the blast furnace.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present utility model.
Fig. 1 is a schematic structural diagram of a jig cleaning apparatus according to the present embodiment;
reference numerals illustrate:
1-sealing plate, 100-mounting unit, 110-mounting shell, 120-first mounting plate, 130-second mounting plate, 131-cable port, 200-radar level gauge, 210-body, 220-pipe body, 230-flange, 240-antenna, 300-cooling unit, 310-outer sleeve, 320-inner sleeve, 330-cooling air pipe, 331-first purge pipe, 332-second purge pipe, 340-cooling collar, 350-cooling ring cavity, 400-access door, 410-handle, 500-protection casing, 510-connecting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a blast furnace molten iron level measuring apparatus, which is provided with a sealing plate 1 above a molten iron level of a blast furnace to seal molten iron, the sealing plate 1 being provided with a mounting hole, the blast furnace molten iron level measuring apparatus comprising a mounting unit 100 and a radar level gauge 200.
The installation unit 100 is used for installing the radar level gauge 200, and comprises an installation shell 110 and two first installation plates 120 which are respectively arranged on two sides of the top of the installation shell 110, wherein the installation shell 110 is arranged in an installation hole, the two first installation plates 120 are respectively overlapped on the sealing plates 1 on two sides of the installation hole, so that the installation unit 100 is arranged on the sealing plates 1, and the installation shell 110 is arranged between the sealing plates 1 and the molten iron liquid level.
The radar level gauge 200 comprises a body 210, a pipe 220, a flange 230 and an antenna 240, wherein the radar level gauge 200 is based on the principle of electromagnetic wave time domain reflection, and involves three steps of transmitting, reflecting and receiving, an electromagnetic pulse signal is transmitted by an electromagnetic wave generator, and when the transmitted wave contacts the surface of a measured material, a reflected echo signal is generated immediately and received by the antenna 240. Based on the time expansion principle, the distance between the surface of the measured medium and the antenna 240 is calculated according to the time between the transmission pulse and the reception pulse, and the distance signal is converted into a material level signal.
In this embodiment, the radar level gauge 200 is disposed in the installation housing 110, specifically, the main body of the radar level gauge 200 is disposed in the installation housing 110, the pipe 220 penetrates through the bottom surface of the installation housing 110, so that the antenna 240 extends out of the bottom surface of the installation housing 110, and the change condition of the liquid level can be obtained by calculating the distance between the liquid level of the molten iron of the blast furnace and the antenna 240, and the flange 230 of the radar level gauge 200 is in flange connection with the bottom surface of the installation housing 110, so that the radar level gauge 200 is fixed in the installation housing 110.
According to the blast furnace molten iron liquid level measuring device provided by the embodiment of the utility model, as the radar liquid level gauge 200 is arranged in the installation shell 110, and the flange 230 of the radar liquid level gauge 200 is in flange connection with the bottom surface of the installation shell 110, the radar liquid level gauge 200 is fixedly arranged in the installation shell 110; the first mounting plates 120 on two sides of the top of the mounting shell 110 are respectively lapped on the sealing plates 1 on two sides of the mounting hole, so that the mounting shell 110 is arranged in the mounting hole of the sealing plate 1, and the mounting shell 110 and the radar level gauge 200 are both positioned between the sealing plate 1 and the molten iron liquid level of the blast furnace, and the antenna 240 of the radar level gauge 200 extends out of the bottom surface of the mounting part, so that the molten iron liquid level of the blast furnace can be measured, an operator can obtain accurate and visual liquid level measurement data, and the condition of the molten iron liquid level can be fully mastered.
Further, in order to avoid damage to the radar level gauge 200 caused by high temperature, dust, etc. in the blast furnace environment, and influence the measurement result, the blast furnace molten iron level measuring device in this embodiment further includes a cooling unit 300 for cooling the radar level gauge 200.
Specifically, the cooling unit 300 includes an outer sleeve 310, an inner sleeve 320, a cooling air pipe 330, a cooling ring pipe set, a first purge pipe 331 and a second purge pipe 332, wherein the outer sleeve 310 is disposed at the bottom of the installation housing 110, the inner sleeve 320 is disposed inside the outer sleeve 310 and is spaced from the outer sleeve 310, a cooling ring cavity 350 is formed between the outer sleeve 310 and the inner sleeve 320, the cooling air pipe 330 is inserted from the top of the installation housing 110 and extends downward into the cooling ring cavity 350, the cooling air pipe 330 is used for introducing cooling gas, at least one first purge pipe 331 is disposed on the cooling air pipe 330 in a communicating manner, and the first purge pipe 331 is disposed in the installation housing 110, so that the cooling gas can be introduced into the installation housing 110 to cool the main body of the radar level gauge 200.
The cooling ring group is arranged around the antenna 240, the cooling ring group comprises at least one cooling ring pipe 340 arranged at vertical intervals, the cooling ring pipe 340 is communicated with the cooling air pipe 330, a plurality of second purging pipes 332 are arranged on one side of the cooling ring pipe 340, which faces the antenna 240, of the cooling ring pipe 340, air outlets of the second purging pipes 332 are arranged in the inner sleeve 320, namely the second purging pipes 332 penetrate through the outer wall of the inner sleeve 320, cooling gas enters the inner sleeve 320 through the plurality of second purging pipes 332, high-pressure air seal is formed, and dust interference is avoided when the antenna 240 is cooled.
Preferably, the plurality of second purge tubes 332 are equally spaced along the circumference of the cooling collar 340 so that the antenna 240 is uniformly cooled.
Further, the blast furnace molten iron level measuring device of the present embodiment further includes an access door 400, the top of the installation housing 110 is provided with a cable port 131 and an opening, the cable port 131 is used for leading out a cable of the radar level gauge 200, and the access door 400 is openably and closably arranged at the opening of the installation housing 110. Therefore, the radar level gauge 200 can be overhauled by opening the access door 400, and when the radar level gauge 200 works normally, the access door 400 is closed.
Specifically, one side of one of the first mounting plates 120 near the mounting hole is provided with a second mounting plate 130, and the cooling air duct 330 and the cable port 131 are both disposed in the second mounting plate 130, and a space between the second mounting plate 130 and the other first mounting plate 120 is configured as an opening of the mounting housing 110.
Further, the access door 400 is hinged to a side of the second mounting plate 130 facing the other first mounting plate 120, so that the opening and closing of the access door 400 can be achieved by rotating the access door 400. Preferably, a handle is provided on the access door 400 to facilitate the operator to open or close the access door 400.
Further, the blast furnace molten iron level measuring device further comprises a protective cover 500, wherein the protective cover 500 is covered on the mounting hole, so that the components such as the cooling air pipe 330 and the cable are prevented from being damaged by external hard objects. The side of the shield 500 may be provided with a through hole to draw out the cable.
Preferably, in order to avoid the displacement of the protection cover 500, in this embodiment, two sides of the protection cover 500 are provided with connection plates 510, the connection plates 510 are detachably connected with the mounting plates on the same side, and the connection plates 510 can be connected with the mounting plates on the same side in a detachable manner such as screwing, clamping, plugging, etc., which is not limited in this embodiment.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides a blast furnace molten iron liquid level measurement device for measure blast furnace molten iron liquid level, blast furnace molten iron liquid level top is equipped with the closing plate, the mounting hole has been seted up on the closing plate, its characterized in that, blast furnace molten iron liquid level measurement device includes:
the mounting unit comprises a mounting shell and two first mounting plates which are respectively arranged at two sides of the top of the mounting shell, the mounting shell is arranged in the mounting hole, and the two first mounting plates are respectively lapped on sealing plates at two sides of the mounting hole;
the radar liquid level gauge is arranged in the installation shell, an antenna of the radar liquid level gauge extends out of the bottom surface of the installation shell so as to measure the liquid level of the blast furnace molten iron, and a flange plate of the radar liquid level gauge is in flange connection with the bottom surface of the installation shell.
2. The blast furnace molten iron level measurement device of claim 1, further comprising a cooling unit comprising an outer sleeve, an inner sleeve, a cooling air duct, a cooling loop pipe set, a first purge pipe, and a second purge pipe, wherein:
the cooling device comprises an installation shell, an outer sleeve, an inner sleeve, a cooling air pipe, a plurality of second purging pipes, an air outlet of each second purging pipe is arranged in the inner sleeve, the outer sleeve is arranged at the bottom of the installation shell, the inner sleeve is arranged inside the outer sleeve and is arranged with the outer sleeve at intervals, a cooling annular cavity is formed between the outer sleeve and the inner sleeve, the cooling air pipe is inserted from the top of the installation shell and extends downwards into the cooling annular cavity, the cooling air pipe is used for introducing cooling air, at least one first purging pipe is communicated with the cooling air pipe, the first purging pipe is arranged in the installation shell, the cooling annular pipe group surrounds the antenna, the cooling annular pipe group comprises at least one cooling annular pipe arranged at intervals vertically, the cooling annular pipe is communicated with the cooling air pipe, and the cooling annular pipe is provided with a plurality of second purging pipes towards one side of the antenna.
3. The blast furnace molten iron level measuring apparatus of claim 2, wherein a plurality of said second purge pipes are disposed at equal intervals along a circumferential direction of said cooling collar.
4. The blast furnace molten iron level measuring device according to claim 2, further comprising an access door, wherein the top of the installation housing is provided with an opening, and the access door is openably and closably provided at the opening of the installation housing.
5. The blast furnace molten iron level measuring device of claim 4, wherein a cable port is provided at the top of the installation housing, the cable port being for leading out a cable of the radar level gauge.
6. The blast furnace molten iron level measuring apparatus according to claim 5, wherein one side of the first mounting plate adjacent to the mounting hole is provided with a second mounting plate, both the cooling air duct and the cable port are provided in the second mounting plate, and a space between the second mounting plate and the other first mounting plate is configured as an opening of the mounting housing.
7. The blast furnace molten iron level measurement device of claim 6, wherein said access door is hinged to a side of said second mounting plate facing the other of said first mounting plate.
8. The blast furnace molten iron level measuring apparatus of claim 4, wherein a handle is provided on the access door.
9. The blast furnace molten iron level measurement device of claim 1, further comprising a shield disposed in the mounting hole.
10. The blast furnace molten iron level measuring device of claim 9, wherein two sides of the protective cover are provided with connecting plates, and the connecting plates are detachably connected with the mounting plates on the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320041070.6U CN219886117U (en) | 2023-01-08 | 2023-01-08 | Blast furnace molten iron liquid level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320041070.6U CN219886117U (en) | 2023-01-08 | 2023-01-08 | Blast furnace molten iron liquid level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219886117U true CN219886117U (en) | 2023-10-24 |
Family
ID=88402687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320041070.6U Active CN219886117U (en) | 2023-01-08 | 2023-01-08 | Blast furnace molten iron liquid level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219886117U (en) |
-
2023
- 2023-01-08 CN CN202320041070.6U patent/CN219886117U/en active Active
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