CN218620921U - Ladle bottom blowing automatic argon receiving device - Google Patents

Abstract

The utility model discloses an automatic argon device that connects of ladle bottom blowing, including setting up the emitter on the buggy ladle and setting up the receiving arrangement on the ladle, emitter sets up in both ends open-ended protection box, and protection box includes the case body to and set firmly in the case head of case body tip, protection box sets up in ladle positioner's position, and receiving arrangement sets up in the receiving arrangement position of ladle. The utility model discloses carry out effectual protection to emitter, prolonged the automatic life who connects the argon device, and sealed effect is better, is applicable to various ladles and buggy ladle.

Description

Ladle bottom blowing automatic argon receiving device

Technical Field

The utility model belongs to the field of metallurgical equipment, specifically speaking is a ladle bottom blowing automatic argon receiving device.

Background

In the steel production process, partial treatment links and storage and transfer links of molten steel are carried out in a steel ladle. Molten steel in the ladle needs bottom blowing argon, and the bottom blowing argon plays a role in stirring in the storage and transportation processes, so that the molten steel is more homogeneous.

At present, the operation of a system for connecting the bottom blowing gas of the ladle still depends on manual butt joint of an operator, namely, an argon blowing pipe is inserted into and pulled out of a butt joint port on the ladle manually. The operation is time-consuming and labor-consuming, the risk that the splashed molten steel or the dropped steel slag is scalded and injured in the operation process of personnel exists, the working environment is severe, and the danger coefficient is high.

The invention discloses an automatic argon blowing butt joint device for a ladle in a Chinese invention patent with the patent number of 202010638540.8, which realizes automatic butt joint through a transmitting device and a receiving device which are mutually matched, avoids risks caused by manual operation, but has certain defects.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model aims to provide an automatic argon receiving device for ladle bottom blowing so as to protect the transmitting device.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a ladle bottom blowing connects argon device automatically, is including setting up the emitter on the buggy ladle and setting up the receiving arrangement on the ladle, emitter sets up in both ends open-ended protection box, protection box includes the case body to and set firmly in the case head of case body tip, protection box sets up in ladle positioner's position, receiving arrangement sets up in the receiving arrangement position of ladle.

As to the utility model limit: the box body is of a rectangular structure, and the box head is of a trapezoidal structure with a wide end facing the receiving device.

As to the utility model limit: the receiving device comprises a receiving bowl with the inner edge size larger than the end part of the transmitting device, and a sealing head with the inner edge size matched with the end part of the transmitting device is arranged at the bottom of the receiving bowl.

As to the utility model limit: the sealing head is detachably arranged at the bottom of the receiving bowl.

As to the utility model limit: the sealing head comprises a first sealing part, the size of the inner edge of the first sealing part is matched with that of the end part of the launching device, an air inlet is formed in the position, corresponding to the air outlet of the launching device, of the first sealing part, and the first sealing part is made of a hard material.

As to the utility model limit: the inner edge of the air inlet is detachably provided with an annular second sealing part, and the second sealing part is made of soft sealing materials.

As to the utility model limit: and a filter screen is arranged at the air inlet of the first sealing part.

As to the utility model limit: it also comprises a one-way valve arranged in the ladle air inlet pipeline.

Since the technical scheme is used, compared with the prior art, the utility model, the beneficial effect who gains lies in:

(1) The utility model discloses a blowing argon gas's automatic connection at bottom of the ladle has saved the manual work, and is safer, convenient in the operation, on this basis, the utility model provides a receiving arrangement sets up in the protection box body of being made by the steel sheet, and the appearance of protection box body is unanimous with the anti seat positioner of ladle that sets up position and former ladle car, and the protection box body has integrateed former anti seat positioner's function promptly, and rigidity is fit for the butt joint of multiple ladle, and the location is accurate reliable, has carried out effectual protection to setting up in its inside emitter simultaneously, has avoided emitter to receive the collision when the ladle rises and falls or has pounded the pressure, has guaranteed emitter's life.

(2) The utility model discloses a receiving arrangement has set up the first sealing of stereoplasm and soft second sealing, has played the effect of soft or hard double sealing, and sealed effect is better, has set up the check valve in the ladle air inlet pipeline simultaneously, has further prevented spilling of argon gas, still is provided with the filter screen in receiving arrangement's air inlet department, can also play the filtering action to impurity, has guaranteed the clean production of molten steel.

To sum up, the utility model discloses carry out effectual protection to emitter, prolonged automatic life who connects the argon device, and sealed effect is better, is applicable to various ladles and buggy ladle.

Drawings

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

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

fig. 2 is a schematic structural view of the protection box and the transmitting device in the embodiment of the present invention;

fig. 3 is a schematic diagram of the butt joint of the transmitting device and the receiving device in the embodiment of the present invention.

In the figure: the method comprises the following steps of 1-transmitting device, 2-spherical connector, 3-protective box body, 31-box body, 32-box head, 4-fixed protrusion, 5-receiving bowl, 6-sealing head, 61-first sealing part, 62-second sealing part, 7-filter screen, 8-ladle car and 9-ladle.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the ladle bottom blowing automatic argon receiving device described herein is a preferred embodiment, and is only used for illustrating and explaining the present invention, and does not constitute a limitation to the present invention.

The terms or positional relationships in the directions such as "up", "down", "left" and "right" according to the present invention are based on the positional relationships in the drawings of the present invention, and are only for convenience of description of the present invention and for simplification of description, and are not intended to be specific directions, specific directional structures and operations which the device or element to be indicated or implied must have, and therefore, are not to be construed as limitations to the protection of the present invention.

Embodiment ladle bottom blowing automatic argon receiving device

Fig. 1 to 3 show an embodiment of a ladle bottom-blowing automatic argon receiving device, which includes a transmitting device 1 disposed on a ladle carriage 8, and a receiving device disposed on a ladle 9 (not shown in the detailed internal structure diagrams of the ladle carriage 8 and the ladle carriage 9), wherein the transmitting device 1 is disposed in a protective box 3, and the receiving device has a soft-hard double seal.

The transmitting device 1 comprises a cylinder, a spherical connector 2 used for guiding argon gas out and in butt joint with the receiving device is arranged at the free end of the cylinder, a gas outlet is formed in the spherical connector 2, a spring base is arranged at the tail end of the cylinder and can swing in any direction, and when the butt joint is not correct, the direction can be automatically adjusted, so that the spherical connector 2 is aligned with the receiving device. The internal structure of the emitting device 1 is shown in Chinese patent 202010638540.8.

The transmitting device 1 in this embodiment is disposed in a protective box 3 with openings at two ends, and the protective box 3 includes a box body 31 and a box head 32 integrally connected with the end of the box body 31. The box body 31 is a rectangular structure made of thick steel plate, and the box head 32 is a trapezoidal structure made of thick steel plate with the wide end facing the receiving device. The inside fixed protrusion 4 that is used for fixed emitter 1 spring base that is provided with of case body 31 of protection box 3, emitter 1 sets up in protection box 3 through fixed protrusion 4. The two ends of the protective box body 3 are opened, so that the transmitting device 1 can be connected with argon and can be butted with a receiving device. The external structure of the protection box body 3 is consistent with the steel ladle anti-seat positioning device on the original steel ladle car 8, the protection box body 3 is symmetrically arranged in the middle of the two sides of the steel ladle car 8 in a pair, namely the protection box body 3 is arranged at the position of the steel ladle anti-seat positioning device on the original steel ladle car 8, the protection box body 3 integrates the function of the original anti-seat positioning device, the positioning function can be achieved, and the launching device 1 is arranged and protected.

The main structure of the receiving device is in a wide bowl shape and is arranged at a position corresponding to the spherical connector 2 of the transmitting device 1, and the receiving device in the embodiment is arranged at the position of the receiving head of the original steel ladle 9, so that the internal structure of the steel ladle 9 does not need to be integrally changed, and only the connector part needs to be replaced. The receiving device comprises a receiving bowl 5 with the inner edge size larger than the spherical connector 2 of the transmitting device 1, the bottom of the receiving bowl 5 is provided with a through hole, a sealing head 6 with the inner edge size matched with the spherical connector 2 of the transmitting device 1 is detachably arranged at the through hole, and the sealing head 6 is connected with the receiving bowl 5 through threads (the thread part is not shown in the figure).

The sealing head 6 comprises a first sealing part 61 which has the inner edge size matched with the spherical connector 2 of the launching device 1 and is made of hard materials, and an air inlet is arranged at the position, corresponding to the air outlet of the spherical connector 2 of the launching device 1, of the first sealing part 61. An annular second sealing portion 62 is detachably disposed on an inner edge of the air inlet, the second sealing portion 62 is made of a soft sealing material, the second sealing portion 62 in this embodiment is a rubber ring, and of course, other soft materials, such as silica gel, may be used for the second sealing portion 62. The first sealing 61 and the soft second sealing 62 of stereoplasm have played soft or hard dual sealed effect, and sealed effect is better, and sealed head 6 can dismantle with receiving bowl 5 simultaneously and be connected, is convenient for change, makes the life extension of this embodiment. Further, the air inlet of the first sealing part 61 is also detachably provided with a filter screen 7, so that impurities can be filtered.

The receiving device is arranged at the receiving head of the original ladle 9, namely at the end of the air inlet pipeline of the ladle 9, and a one-way valve (not shown in the figure) is detachably arranged in the air inlet pipeline of the ladle 9 for further ensuring the sealing effect.

When the steel ladle 9 is hoisted in place and stably placed, the protection box body 3 positions the steel ladle 9 and protects the transmitting device 1, after the steel ladle 9 is stably placed, the control chamber opens the argon supply valve, the spherical connector 2 of the transmitting device 1 extends out and is in butt joint with the bottom of the bowl of the receiving device, and at the moment, soft and hard double sealing is formed between the transmitting device 1 and the receiving device; the bottom of the cylinder of the transmitting device 1 is connected with an argon pipe, and the back of the receiving device is connected with an air inlet pipeline of the ladle 9 body. After the bottom blowing process is finished, the control room closes the argon supply valve, and after the delivery pipe is depressurized, the spherical connector 2 of the transmitting device 1 is retracted and separated from the receiving device.

Claims (8)

1. The utility model provides a ladle bottom blowing connects argon device automatically, is including setting up the emitter on the buggy ladle and setting up the receiving arrangement on the ladle, its characterized in that: the transmitting device is arranged in a protective box body with openings at two ends, the protective box body comprises a box body and a box head fixedly arranged at the end part of the box body, the protective box body is arranged at the position of the steel ladle positioning device, and the receiving device is arranged at the position of the receiving head of the steel ladle.

2. The ladle bottom blowing automatic argon receiving device according to claim 1, characterized in that: the box body is of a rectangular structure, and the box head is of a trapezoidal structure with a wide end facing the receiving device.

3. The ladle bottom blowing automatic argon receiving device according to any one of claims 1 or 2, characterized in that: the receiving device comprises a receiving bowl with the inner edge size larger than the end part of the transmitting device, and a sealing head with the inner edge size matched with the end part of the transmitting device is arranged at the bottom of the receiving bowl.

4. The ladle bottom blowing automatic argon receiving device according to claim 3, characterized in that: the sealing head is detachably arranged at the bottom of the receiving bowl.

5. The ladle bottom blowing automatic argon receiving device according to claim 4, characterized in that: the sealing head comprises a first sealing part, the size of the inner edge of the first sealing part is matched with that of the end part of the launching device, an air inlet is formed in the position, corresponding to the air outlet of the launching device, of the first sealing part, and the first sealing part is made of a hard material.

6. The ladle bottom blowing automatic argon receiving device according to claim 5, characterized in that: the inner edge of the air inlet is detachably provided with an annular second sealing part, and the second sealing part is made of a soft sealing material.

7. The ladle bottom blowing automatic argon receiving device according to claim 6, characterized in that: the air inlet of the first sealing part is also provided with a filter screen.

8. The ladle bottom blowing automatic argon receiving device according to claim 7, characterized in that: it also comprises a one-way valve arranged in the ladle air inlet pipeline.

Images