CN218620903U - Special equipment for measuring liquid level of ladle of iron-making blast furnace - Google Patents
Special equipment for measuring liquid level of ladle of iron-making blast furnace Download PDFInfo
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- CN218620903U CN218620903U CN202222956296.7U CN202222956296U CN218620903U CN 218620903 U CN218620903 U CN 218620903U CN 202222956296 U CN202222956296 U CN 202222956296U CN 218620903 U CN218620903 U CN 218620903U
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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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Abstract
A special device for measuring the liquid level of a ladle of an iron-making blast furnace comprises an outer pipe body, wherein an upper circular plate is fixed at the top of the outer pipe body, a lower circular plate is fixed at the bottom of the outer pipe body, and a radar base mounting plate is fixed in the outer pipe body; a radar bin pipe is fixed between the upper circular ring plate and the radar base mounting plate, an inner pipe body is fixed between the radar base mounting plate and the lower circular ring plate, and the radar bin pipe and the inner pipe body are of a pipeline type structure; to sum up, the utility model discloses simple structure, safe and reliable, and have fine isolated molten iron to measuring instrument to its heat-conduction and the heat radiation that goes on, play the cooling to the instrument, clean the effect, also be favorable to the quick dismantlement of instrument, the instrument is located in the device, when accomplishing measurement task, and is integrated with the surrounding environment.
Description
Technical Field
The utility model belongs to the technical field of blast furnace charge level measuring equipment, concretely relates to ironmaking blast furnace surveys ladle liquid level professional equipment.
Background
Molten iron produced in the blast furnace smelting process flows into a ladle through a molten iron groove, and the molten iron is filled into the ladle, wherein the molten iron in the ladle can cause high-temperature and high-dust environment to be formed around due to the huge temperature difference between the ambient environment and the molten iron, particularly, the overflow of the ladle is not easy to be observed by naked eyes under the condition of large ambient humidity, and the molten iron in the ladle overflows to damage transportation equipment due to improper operation, so that the overflow of the ladle is usually controlled by measuring the liquid level in the ladle in real time through a molten iron level gauge; most of the molten iron level meters are arranged above a molten iron outlet platform, instrument mounting bases of the molten iron level meters are exposed on the mounting platform, the passing of personnel and vehicles and the cleaning of the platform are influenced during production, the appearance is also influenced, a molten iron ditch needs to be maintained regularly, the instruments of the molten iron level meters cannot be detached quickly, and the maintenance of a molten iron groove is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ladle liquid level professional equipment is surveyed to iron-making blast furnace to solve current molten iron level gauge and install and cause the technical problem that influences, inconvenient sweeping and inconvenient the maintenance to the molten iron ditch groove the ladle at the ladle.
In order to solve the technical problem, the utility model discloses a following technical scheme: a special device for measuring the liquid level of a ladle of an iron-making blast furnace comprises an outer tube body, wherein an upper circular plate is fixed at the top of the outer tube body, a lower circular plate is fixed at the bottom of the outer tube body, and a radar base mounting plate is fixed in the outer tube body;
a radar bin pipe is fixed between the upper circular ring plate and the radar base mounting plate, an inner pipe body is fixed between the radar base mounting plate and the lower circular ring plate, and the radar bin pipe and the inner pipe body are of a pipeline type structure;
an upper nitrogen cavity is formed between the radar bin pipe and the outer pipe body, a lower nitrogen cavity is formed between the inner pipe body and the outer pipe body, and a plurality of nitrogen gas outlet holes are formed in the inner pipe body;
the radar base mounting plate is provided with a mounting hole and a plurality of communicating holes, the mounting hole is used for mounting the molten iron radar liquid level meter, the gauge outfit part of the upper half part of the molten iron radar liquid level meter is positioned in the radar bin pipe, the spherical lens antenna plate of the lower half part of the molten iron radar liquid level meter is positioned in the inner pipe body, and the nitrogen gas outlet hole faces the spherical lens antenna plate; the communicating hole is used for communicating the upper nitrogen cavity with the lower nitrogen cavity;
a nitrogen inlet pipe and a wire inlet pipe are fixed on the upper circular plate, the nitrogen inlet pipe is introduced into the upper nitrogen cavity, and the wire inlet pipe is used for introducing a connecting wire of the molten iron radar liquid level meter;
and a surface bin cover is also arranged on the upper circular ring plate and used for blocking an upper end opening of the radar bin pipe.
Furthermore, the sum of the sectional areas of all the nitrogen gas outlet holes is smaller than the sectional area of the caliber of the nitrogen gas inlet pipe.
Furthermore, the inlet wire pipe inserts in the radar storehouse pipe from the last port of radar storehouse pipe, one side through the door-hinge of table storehouse lid articulates on last ring plate, be provided with the breach on the table storehouse lid, the breach supplies the inlet wire pipe to insert in the radar storehouse pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, safe and reliable, and have fine isolated molten iron to measuring instrument to its heat-conduction and the heat radiation that goes on, play the cooling to the instrument, clean the effect, also be favorable to the quick dismantlement of instrument, the instrument is located the device, when accomplishing measurement task, and the surrounding environment fuses as an organic whole.
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 invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a special apparatus for measuring the liquid level of a ladle in an iron-making blast furnace according to the present invention;
FIG. 2 is an internal structure diagram of the special equipment for measuring the liquid level of the ladle in the iron-making blast furnace.
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.
The present invention will be described in further detail with reference to examples.
The utility model provides a concrete embodiment 1 of a special equipment for measuring liquid level of a ladle in an iron-making blast furnace:
as shown in fig. 1 and 2, a special device for measuring the liquid level of a ladle of an iron-making blast furnace comprises an outer tube 1, wherein an upper circular plate 2 is fixed at the top of the outer tube 1, a lower circular plate 3 is fixed at the bottom of the outer tube 1, and a radar base mounting plate 4 is fixed in the outer tube 1;
a radar bin pipe 5 is fixed between the upper circular ring plate 2 and the radar base mounting plate 4, an inner pipe body 6 is fixed between the radar base mounting plate 4 and the lower circular ring plate 3, and the radar bin pipe 5 and the inner pipe body 6 are of pipeline type structures; the upper circular ring plate 2, the lower circular ring plate 3, the radar base mounting plate 4, the outer pipe body 1, the radar bin pipe 5 and the inner pipe body 6 are all made of high-temperature-resistant materials, such as steel;
an upper nitrogen cavity 7 is formed between the radar bin pipe 5 and the outer pipe 1, a lower nitrogen cavity 8 is formed between the inner pipe 6 and the outer pipe 1, and a plurality of nitrogen gas outlet holes 9 are formed in the inner pipe 6;
a mounting hole and a plurality of communicating holes 10 are formed in the radar base mounting plate 4, the mounting hole is used for mounting a molten iron radar liquid level meter 11, and specifically, the molten iron radar liquid level meter 11 is mounted in the mounting hole in a threaded mode; the gauge head part of the upper half part of the molten iron radar liquid level meter 11 is positioned in the radar bin pipe 5, the spherical lens antenna plate 12 of the lower half part of the molten iron radar liquid level meter 11 is positioned in the inner pipe body 6, the nitrogen gas outlet holes 9 face the spherical lens antenna plate 12, or the nitrogen gas outlet holes 9 are uniformly distributed on the same horizontal plane of the inner pipe body 6 and are positioned at the bottom of the spherical lens antenna plate 12; the communicating hole 10 is used for communicating the upper nitrogen chamber 7 and the lower nitrogen chamber 8;
a nitrogen inlet pipe 13 and a gas inlet pipe 14 are fixed on the upper circular plate 2, the nitrogen inlet pipe 13 is introduced into the upper nitrogen cavity 7, and the gas inlet pipe 14 is used for introducing a connecting wire of the molten iron radar liquid level meter 11;
and the upper circular ring plate 2 is also provided with a surface bin cover 15, and the surface bin cover 15 is used for blocking the upper end opening of the radar bin pipe 5.
The molten iron radar liquid level meter 11 is arranged in the outer pipe body 1 in a sinking mode, so that the molten iron radar liquid level meter 11 is integrally located below the molten iron outlet platform, and the blast furnace molten iron outlet platform keeps the original functions; nitrogen is introduced into the nitrogen inlet pipe 13, enters the upper nitrogen cavity 7, the upper nitrogen cavity 7 is arranged around the molten iron radar liquid level meter 11 to cool the head of the molten iron radar liquid level meter 11, nitrogen in the upper nitrogen cavity 7 is introduced into the lower nitrogen cavity 8 through the communicating hole 10, the nitrogen sweeps the spherical lens antenna plate 12 through the nitrogen outlet hole 9 to cool, and meanwhile, the discharged nitrogen forms an air sealing film with downward airflow at the lower part of the inner pipe body 6 to prevent smoke dust from entering and attaching to the inner pipe body 6;
in other embodiments, the sum of the cross-sectional areas of all the nitrogen outlet holes 9 is smaller than the cross-sectional area of the bore of the nitrogen inlet pipe 13.
In other embodiments, the inlet tube 14 is inserted into the radar bin pipe 5 from the upper port of the radar bin pipe 5, one side of the surface bin cover 15 is hinged to the upper circular ring plate 2 through a door shaft 16, a notch 17 is arranged on the surface bin cover 15, the notch 17 is used for inserting the inlet tube 14 into the radar bin pipe 5, and a handle 18 is further arranged on the surface bin cover 15.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (3)
1. A special device for measuring the liquid level of a ladle of an iron-making blast furnace is characterized in that: the radar base mounting plate comprises an outer pipe body, wherein an upper circular ring plate is fixed at the top of the outer pipe body, a lower circular ring plate is fixed at the bottom of the outer pipe body, and a radar base mounting plate is fixed in the outer pipe body;
a radar bin pipe is fixed between the upper circular ring plate and the radar base mounting plate, an inner pipe body is fixed between the radar base mounting plate and the lower circular ring plate, and the radar bin pipe and the inner pipe body are of a pipeline type structure;
an upper nitrogen cavity is formed between the radar bin pipe and the outer pipe body, a lower nitrogen cavity is formed between the inner pipe body and the outer pipe body, and a plurality of nitrogen gas outlet holes are formed in the inner pipe body;
the radar base mounting plate is provided with a mounting hole and a plurality of communicating holes, the mounting hole is used for mounting the molten iron radar liquid level meter, the gauge outfit part at the upper half part of the molten iron radar liquid level meter is positioned in the radar bin pipe, the spherical lens antenna plate at the lower half part of the molten iron radar liquid level meter is positioned in the inner pipe body, and the nitrogen outlet hole faces the spherical lens antenna plate; the communicating hole is used for communicating the upper nitrogen cavity with the lower nitrogen cavity;
a nitrogen inlet pipe and a wire inlet pipe are fixed on the upper circular plate, the nitrogen inlet pipe is introduced into the upper nitrogen cavity, and the wire inlet pipe is used for introducing a connecting wire of the molten iron radar liquid level meter;
and a surface bin cover is also arranged on the upper circular ring plate and used for blocking an upper end opening of the radar bin pipe.
2. The special equipment for measuring the liquid level of the foundry ladle of the iron-making blast furnace according to claim 1, which is characterized in that: the sum of the sectional areas of all the nitrogen gas outlet holes is smaller than the sectional area of the caliber of the nitrogen gas inlet pipe.
3. The special equipment for measuring the liquid level of the foundry ladle of the iron-making blast furnace according to claim 1, which is characterized in that: the inlet wire pipe inserts in the radar storehouse pipe from the last port of radar storehouse pipe, one side of table storehouse lid is articulated on last ring plate through the door-hinge, be provided with the breach on the table storehouse lid, the breach supplies the inlet wire pipe to insert in the radar storehouse pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222956296.7U CN218620903U (en) | 2022-11-07 | 2022-11-07 | Special equipment for measuring liquid level of ladle of iron-making blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222956296.7U CN218620903U (en) | 2022-11-07 | 2022-11-07 | Special equipment for measuring liquid level of ladle of iron-making blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218620903U true CN218620903U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222956296.7U Active CN218620903U (en) | 2022-11-07 | 2022-11-07 | Special equipment for measuring liquid level of ladle of iron-making blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218620903U (en) |
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2022
- 2022-11-07 CN CN202222956296.7U patent/CN218620903U/en active Active
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