CN218910424U

CN218910424U - Device for efficiently cooling pipeline of VD furnace

Info

Publication number: CN218910424U
Application number: CN202223017734.XU
Authority: CN
Inventors: 许之君; 耿波
Original assignee: Tianjin Jinboda Technology Co ltd
Current assignee: Tianjin Jinboda Technology Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-04-25
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a device for efficiently cooling a cooling pipeline of a VD furnace, which comprises a cooling pipe, wherein a pipe drawing mechanism is arranged on the surface of the cooling pipe: the pipe drawing mechanism comprises a connecting ring, one end of the connecting ring is connected with a cooling mechanism of the VD furnace, an outer ring is fixedly arranged on the inner wall of the connecting ring, an annular connecting shaft is arranged in the connecting ring, and balls are movably arranged on the surface of the annular connecting shaft. According to the utility model, the connecting ring is arranged at the bottom of the spraying system of the cooling mechanism, the cooling pipe is arranged in the connecting ring and can rotate in the connecting ring, the telescopic rod is arranged on the inner wall of the inner ring, the worm wheel blade is arranged at the bottom of the spraying system, when the spraying system sprays a large amount of spraying water, the worm wheel blade is driven by self gravitational potential energy through the spraying water, and the worm wheel blade drives the cooling pipe to rotate in the connecting ring through the connecting sleeve, so that fly ash on the inner wall of the cooling pipe is removed, and the cooling mechanism is energy-saving and environment-friendly.

Description

Device for efficiently cooling pipeline of VD furnace

Technical Field

The utility model relates to the technical field of cooling of VD furnaces, in particular to a device for efficiently cooling a cooling pipeline of a VD furnace.

Background

The VD furnace is a ladle refining furnace, which is used for blowing oxygen under vacuum, decarburizing, vacuum degassing, fine adjustment of alloy components under vacuum, is mainly used for refining ultra-low carbon steel, electrical pure iron and the like, and can carry out common vacuum degassing treatment on molten steel and fine adjustment of alloy components under vacuum, and the ladle refining furnace is equipment with the heating and refining functions of a steelmaking furnace. Is an important metallurgical device for refining molten steel in primary smelting furnaces (electric arc furnace, open hearth furnace and revolving furnace), regulating the temperature of molten steel, buffering process and meeting continuous casting and rolling requirements. Ladle furnaces are one of the main equipment for external refining.

However, in the prior art, when the cooling pipeline of the prior VD furnace is cooled by spray water, the cooling mode has the problems of poor vacuumizing effect, easy ash accumulation on the inner wall of the pipeline and the like due to low cooling efficiency; on one hand, the quality of molten steel is seriously affected, and on the other hand, because the inner wall of the pipeline is easy to accumulate ash, ash removal operation is required to be frequently carried out, and the labor cost is increased.

Disclosure of Invention

The utility model aims to provide a device for efficiently cooling a cooling pipeline of a VD furnace, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the device for efficiently cooling the cooling pipeline of the VD furnace comprises a cooling pipe, wherein a pipe drawing mechanism is arranged on the surface of the cooling pipe:

the pipe drawing mechanism comprises a connecting ring, one end of the connecting ring is connected with a cooling mechanism of the VD furnace, an outer ring is fixedly arranged on the inner wall of the connecting ring, an annular connecting shaft is arranged inside the connecting ring, balls are movably arranged on the surface of the annular connecting shaft, an inner ring is arranged on the surface of the balls, a telescopic rod is fixedly arranged on the inner wall of the inner ring, a pressure spring is fixedly arranged on the surface of the output end of the telescopic rod, the top of the output end of the telescopic rod is fixedly connected with the outer surface of the cooling pipe, a connecting sleeve is fixedly arranged on the outer surface of the cooling pipe, and a worm wheel blade is fixedly arranged on the surface of the connecting sleeve.

Preferably, a spraying mechanism of the cooling system is arranged at the top of the cooling pipe.

Preferably, the connecting ring is of a ring pipe structure, and the cooling pipe is arranged inside the connecting ring.

Preferably, the number of the balls is fifteen, and the inner ring drives the cooling pipe to roll on the surface of the balls.

Preferably, the outer diameter of the cooling tube is smaller than the inner diameter of the connecting ring.

Preferably, the outer ring and the inner ring are both in a circular ring structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the bottom of the spraying system of the cooling mechanism is provided with the connecting ring, the cooling pipe is arranged in the connecting ring and can rotate in the connecting ring, meanwhile, the inner wall of the inner ring is provided with the telescopic rod, the output end of the telescopic rod is movable, the fly ash on the inner wall of the cooling pipe is not easy to adsorb by rotating away from the axis when the cooling pipe rotates in the connecting ring due to the movable property of the output end of the telescopic rod, the connecting sleeve is arranged on the surface of the cooling pipe, the worm wheel blade is arranged on the surface of the connecting sleeve and is arranged at the bottom of the spraying system, and when the spraying system sprays a large amount of spraying water, the worm wheel blade is driven by the self-gravity potential energy of the spraying water, so that the worm wheel blade drives the cooling pipe to rotate in the connecting ring through the connecting sleeve, and the fly ash on the inner wall of the cooling pipe is cleaned, so that the energy is saved and the environment is protected;

2. the utility model also installs the pressure spring on the surface of the output end of the expansion link, when the gravity potential energy of the spray water extrudes the cooling pipe downwards, the cooling pipe extrudes the expansion link downwards, thus the expansion link extrudes the pressure spring, under the reset action of the pressure spring, the pressure spring pushes the cooling pipe upwards, thus the cooling pipe generates partial piston movement, and the fly ash on the inner wall of the cooling pipe is shaken off better.

Drawings

FIG. 1 is a schematic front sectional view of the whole structure of a device for efficiently cooling a cooling pipeline of a VD furnace;

FIG. 2 is a schematic side sectional view of a worm gear blade structure of a device for efficiently cooling a cooling pipeline of a VD furnace;

fig. 3 is a schematic diagram showing a large structural sample of an annular connecting shaft of the device for efficiently cooling a cooling pipeline of a VD furnace.

In the figure: 1. a cooling tube; 2. a connecting ring; 3. an outer ring; 4. an annular connecting shaft; 5. a ball; 6. an inner ring; 7. a telescopic rod; 8. a pressure spring; 9. a connecting sleeve; 10. and a worm wheel blade.

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. 1-3, the present utility model provides a technical solution: the cooling mechanism of VD stove's bottom is provided with go-between 2, be provided with cooling tube 1 in the inside of go-between 2, be provided with outer lane 3 in the inside of go-between 2, be provided with annular connecting axle 4 at the inner wall of outer lane 3, the surface activity at annular connecting axle 4 has cup jointed ball 5, the surface swing joint at ball 5 has inner circle 6 simultaneously, and inner circle 6 can be through ball 5 activity, telescopic link 7 is installed to the inner wall at inner circle 6, surface mounting at the output of telescopic link 7 is because pressure spring 8, and the top and the surface mounting of cooling tube 1 of the output of telescopic link 7 are connected, surface mounting at the intermediate section of cooling tube 1 has connecting sleeve 9, surface mounting at connecting sleeve 9 has worm wheel oar 10, and worm wheel oar 10 sets up the bottom at cooling mechanism spraying system.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device of high-efficient cooling VD stove cooling pipeline, includes cooling tube (1), its characterized in that: the surface of the cooling pipe (1) is provided with a pipe drawing mechanism:

the pipe drawing mechanism comprises a connecting ring (2), one end of the connecting ring (2) is connected with a cooling mechanism of the VD furnace, an outer ring (3) is fixedly arranged on the inner wall of the connecting ring (2), an annular connecting shaft (4) is arranged inside the connecting ring (2), balls (5) are arranged on the surface of the annular connecting shaft (4) in a movable mode, an inner ring (6) is arranged on the surface of the balls (5) in a movable mode, a telescopic rod (7) is fixedly arranged on the inner wall of the inner ring (6), a pressure spring (8) is fixedly arranged on the surface of the output end of the telescopic rod (7), the top of the output end of the telescopic rod (7) is fixedly connected with the outer surface of the cooling pipe (1), a connecting sleeve (9) is fixedly arranged on the outer surface of the cooling pipe (1), and worm wheel paddles (10) are fixedly arranged on the surface of the connecting sleeve (9).

2. The apparatus for efficiently cooling a cooling line of a VD furnace according to claim 1, wherein: the top of the cooling pipe (1) is provided with a spraying mechanism of a cooling system.

3. The apparatus for efficiently cooling a cooling line of a VD furnace according to claim 1, wherein: the connecting ring (2) is of a ring pipe structure, and the cooling pipe (1) is arranged inside the connecting ring (2).

4. The apparatus for efficiently cooling a cooling line of a VD furnace according to claim 1, wherein: the number of the balls (5) is fifteen, and the inner ring (6) drives the cooling pipe (1) to roll on the surface of the balls (5).

5. The apparatus for efficiently cooling a cooling line of a VD furnace according to claim 1, wherein: the outer diameter of the cooling pipe (1) is smaller than the inner diameter of the connecting ring (2).

6. The apparatus for efficiently cooling a cooling line of a VD furnace according to claim 1, wherein: the outer ring (3) and the inner ring (6) are of circular ring structures.