CN211386890U

CN211386890U - Continuous casting ladle casting device

Info

Publication number: CN211386890U
Application number: CN201922185309.3U
Authority: CN
Inventors: 徐富裕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-09-01
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to a continuous casting ladle is opened and is watered device, including last mouth of a river mechanism and lower mouth of a river mechanism, go up mouth of a river mechanism and include mouth of a river brick cup, install the last mouth of a river below the mouth of a river brick cup and install the top slide at last mouth of a river lower extreme, lower mouth of a river mechanism is including relative top slide lateral shifting's lower slide and the lower mouth of a river of installing on slide down, is provided with first argon mouth of blowing on the lower face of top slide, is provided with the second on the last face of lower slide and blows the argon mouth, and the second blows the argon mouth ring and locates the steel hole outside, and the second blows the argon mouth outside first argon mouth ring, and first argon mouth and second are blown and are provided with the through-hole. The utility model discloses a set up first argon blowing mouth and second argon blowing mouth, form the high pressure district in the gap between last lower slide, prevent during the outside air inhales the molten steel from the slide gap to pass through high-pressure gas with the air and the dust between the gap and discharge from the through-hole, reach the purpose of protection casting.

Description

Continuous casting ladle casting device

Technical Field

The utility model relates to a steelmaking equipment technical field, in particular to continuous casting ladle device of watering.

Background

In the metallurgical industry at present, a sliding mechanism is generally adopted for controlling the flow rate and opening and closing of molten steel from a steel ladle to a tundish. The sliding mechanism is internally provided with an upper sliding plate and a lower sliding plate, and the relative positions of two steel passing holes of the upper sliding plate and the lower sliding plate are changed by the sliding of the lower sliding plate so as to realize the adjustment of the molten steel flow rate and the switching. Because the upper sliding plate and the lower sliding plate need to be capable of sliding relatively when working, gaps are formed between the upper sliding plate and the lower sliding plate. In actual use, the gap between the upper sliding plate and the lower sliding plate is unstable and is likely to be enlarged under the influence of severe working conditions and environments. In the process of casting the molten steel, a certain negative pressure is generated at a gap between the upper sliding plate and the lower sliding plate by high-speed molten steel injection, so that external air is sucked into the molten steel from the gap of the sliding plate, and the requirement of casting protection cannot be met.

The utility model discloses a chinese utility model patent application No. 201820458776.1 discloses a protection casting device for between ladle sliding plate, contain mouth of a river brick cup, the upper nozzle, cross the steel hole, the top slide, the bottom slide, the lower nozzle, blow argon hole and slot, the upper nozzle is fixed in mouth of a river brick cup, be equipped with top slide and bottom slide between upper nozzle and the lower nozzle, the upper nozzle, the top slide, be equipped with the steel hole of crossing of mutually supporting on bottom slide and the lower nozzle respectively, be equipped with the round slot on the top slide of top slide and bottom slide contact's the face, the slot is through blowing argon hole and argon pipe connection, the device can prevent outside air entering molten steel, the air that exists in the gap between the top slide and the bottom slide still can get into the molten steel, and the dust that produces when the top slide slides gets into the molten steel easily in addition.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for solving the technical problem of continuous casting ladle casting.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a continuous casting ladle is opened and is watered device, includes mouth of a river mechanism and lower mouth of a river mechanism, it includes mouth of a river brick, installs the mouth of a river and installs the top slide at the top nozzle lower extreme in mouth of a river pocket brick below to go up mouth of a river mechanism, lower mouth of a river mechanism includes relative top slide lateral shifting's lower slide and installs the lower mouth of a river on lower slide, it all is provided with the steel hole of crossing that is used for communicateing the mouth of a river and the mouth of a river down to go up slide and lower slide, be provided with first argon blowing mouth on the lower face of top slide, be provided with the second argon blowing mouth on the last face of lower slide, the second argon blowing mouth encircles and locates the steel hole outside, the second argon blowing mouth outside is located to first argon blowing mouth, be provided with the through-hole between first argon blowing mouth and the second.

Preferably, the second argon blowing port is internally provided with a gas permeable brick, and the upper end face of the gas permeable brick is flush with the upper plate face of the lower sliding plate.

Preferably, the cross section of the first argon blowing port is semicircular, and the cross section of the second argon blowing port is rectangular.

Preferably, the lower nozzle mechanism further comprises a moving frame, one end of the moving frame is connected with a hydraulic assembly for pushing the moving frame to move, and the lower sliding plate is installed on the moving frame through a fixing sleeve.

Preferably, a heat insulation plate is arranged between the lower sliding plate and the fixed sleeve.

Preferably, the fixed sleeve is provided with a jacking assembly for pushing the lower sliding plate to move up and down, and the jacking assembly is arranged between the heat insulation plate and the fixed sleeve.

In the continuous production process, the relative movement of the upper and lower sliding plates can lead to the gradual increase of the gap between the upper and lower sliding plates, so that the gap between the upper and lower sliding plates can be controlled within a reasonable range through the fine movement of the lower sliding plate driven by the jacking assembly, the normal production is ensured, and the heat of the molten steel in the water inlet above the upper heat insulation plate can be isolated, so that the effect of protecting the jacking assembly is achieved.

Preferably, the through hole is formed in the upper slide plate and communicated with the outer side of the upper slide plate.

The utility model has the advantages that: the utility model discloses a set up first argon blowing mouth and second argon blowing mouth, form the high pressure district in the gap between last lower slide, prevent during the outside air inhales the molten steel from the slide gap to pass through high-pressure gas with the air and the dust between the gap and discharge from the through-hole, reach the purpose of protection casting.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

in the figure: 1-nozzle brick cup, 2-upper nozzle, 3-mounting plate, 4-upper sliding plate, 401-first argon blowing port, 402-through hole, 5-lower sliding plate, 501-second argon blowing port, 6-fixing sleeve, 7-moving frame, 8-lower nozzle, 9-heat insulation plate, 10-jacking assembly and 11-air brick.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Example (b): as shown in fig. 1 and 2, a continuous casting ladle casting device comprises an upper nozzle mechanism and a lower nozzle mechanism, wherein the upper nozzle mechanism comprises a nozzle brick 1, an upper nozzle 2 and an upper sliding plate 4, the upper nozzle 2 is fixed below the nozzle brick 1 through a mounting plate 3, and the upper sliding plate 4 is fixedly mounted at the lower end of the upper nozzle 2. The upper sliding plate 4 is provided with a through steel passing hole which is communicated with the channel of the upper nozzle 2.

The lower nozzle mechanism comprises a moving frame 7, a lower sliding plate 5 and a lower nozzle 8, the moving frame 7 is arranged on the track, one end of the moving frame 7 is connected with a hydraulic assembly, the hydraulic assembly pushes the moving frame 7 to move transversely in the horizontal direction, and the hydraulic assembly adopts a hydraulic cylinder. The lower sliding plate 5 is arranged on a movable frame 7 through a fixed sleeve 6, and the movable frame 7 drives the lower sliding plate 5 to move when moving. The lower sliding plate 5 is positioned below the upper sliding plate 4 and is attached to the upper sliding plate 4. The lower nozzle 8 is fixedly arranged below the lower sliding plate 5, a through steel passing hole is formed in the lower sliding plate 5, and the steel passing hole is communicated with a channel of the lower nozzle 8.

Be provided with first argon blowing mouth 401 on the lower face of upper sliding plate 4, be provided with second argon blowing mouth 501 on the upper face of lower sliding plate 5, second argon blowing mouth 501 encircles and locates the steel hole outside, first argon blowing mouth 401 encircles and locates the second argon blowing mouth 501 outside, first argon blowing mouth 401 and second argon blowing mouth 501 all form annular recess on respective board, wherein first argon blowing mouth 401's cross section is semi-circular, the second argon blowing mouth 501's cross section is the rectangle. First argon blowing mouth 401 and second argon blowing mouth 501 all are connected with the argon gas pipeline for to first argon blowing mouth 401 and second argon blowing mouth 501 in let in argon gas.

As shown in fig. 2, the second argon blowing port 501 is internally provided with an air brick 11, and the upper end surface of the air brick 11 is flush with the upper plate surface of the lower slide plate 5.

As shown in fig. 1, a through hole 402 is provided between the first argon blowing port 401 and the second argon blowing port 501, and the through hole 402 is provided on the upper sliding plate 4 and communicates with the outside of the upper sliding plate 4. Preferably, the through hole 402 may be connected to an air pump.

Install jacking subassembly 10 between fixed cover 6 and the lower sliding plate 5, jacking subassembly 10 is fixed mounting on fixed cover 6 for promote down slide 5 and reciprocate, the gap size between control upper sliding plate 4 and the lower sliding plate 5, and jacking subassembly 10 adopts thin pneumatic cylinder. In order to isolate the heat of the molten steel above, a heat insulation plate 10 is arranged below the lower sliding plate 5, the jacking assembly 10 is positioned between the heat insulation plate 10 and the fixed sleeve 6, and the heat insulation plate 10 is made of asbestos plates.

Claims

1. The utility model provides a continuous casting ladle is opened and is watered device, includes mouth of a river mechanism and lower mouth of a river mechanism, mouth of a river mechanism includes mouth of a river brick cup (1), installs last mouth of a river (2) of mouth of a river brick cup (1) below and installs last slide (4) at last mouth of a river (2) lower extreme, mouth of a river mechanism includes slide (5) down of slide (4) lateral shifting relatively and install lower mouth of a river (8) on slide (5) down, it all is provided with the steel hole of crossing that is used for communicateing mouth of a river (2) and lower mouth of a river (8) to go up slide (4) and lower slide (5), its characterized in that: go up and be provided with first argon blowing mouth (401) on the lower face of slide (4), be provided with second argon blowing mouth (501) on the last face of slide (5) down, second argon blowing mouth (501) are located the steel hole outside, first argon blowing mouth (401) are located the second and are blown the argon hole (501) the outside, first argon blowing mouth (401) and second are blown and are provided with through-hole (402) between argon blowing mouth (501).

2. The continuous casting ladle casting device according to claim 1, wherein: and an air brick (11) is arranged in the second argon blowing port (501), and the upper end surface of the air brick (11) is flush with the upper plate surface of the lower sliding plate (5).

3. The continuous casting ladle casting device according to claim 2, wherein: the cross section of the first argon blowing port (401) is semicircular, and the cross section of the second argon blowing port (501) is rectangular.

4. The continuous casting ladle casting device according to claim 1, wherein: the lower nozzle (8) mechanism further comprises a moving frame (7), one end of the moving frame (7) is connected with a hydraulic assembly for pushing the moving frame (7) to move, and the lower sliding plate (5) is installed on the moving frame (7) through a fixing sleeve (6).

5. The continuous casting ladle casting device according to claim 4, wherein: and a heat insulation plate (9) is arranged between the lower sliding plate (5) and the fixed sleeve (6).

6. The continuous casting ladle casting device according to claim 5, wherein: the fixed sleeve (6) is provided with a jacking assembly (10) for pushing the lower sliding plate (5) to move up and down, and the jacking assembly (10) is arranged between the heat insulation plate (9) and the fixed sleeve (6).

7. The continuous casting ladle casting device according to claim 1, wherein: the through hole (402) is arranged on the upper sliding plate (4) and communicated with the outer side of the upper sliding plate (4).