CN209065943U - The oxygen supply pipe fitting of improved coverter pig - Google Patents

Abstract

The utility model discloses a kind of oxygen supply pipe fittings of improved coverter pig, including the oxygen supplying tube for steelmaking converter oxygen supply, its structure of oxygen supply pipe fitting being coupled on oxygen supplying tube is to be made of intubation and connector tube socket, the wherein dynamic cooperation of the outer diameter of the internal diameter of connector tube socket and four steel splitting pipes, on the outer wall of connector tube socket radial equipartition 3 screw holes, it is respectively cooperating in screw hole and puller bolt is installed, the end of puller bolt is matched with the outer wall of four steel splitting pipes, and the outer diameter of intubation is matched with the internal diameter of oxygen supplying tube.The utility model is structurally reasonable, and locking function is good, and oxygen supply pipe fitting safe locking may be implemented, and improves oxygen supply pipe fitting service life.

Description

Improved Oxygen Supply Pipe Joint for Converter

technical field

The utility model belongs to the improvement of the structure of an oxygen supply pipe joint for converters, in particular to an oxygen supply pipe joint for converters.

Background technique

The oxygen supply pipe joint for the converter is in the shape of a steel pipe, which is one of the components of the oxygen supply equipment used when the converter maintains the furnace body; the oxygen supply equipment is composed of an oxygen supply pipe, an oxygen supply pipe joint and a quarter steel pipe. The purpose of designing the oxygen supply pipe joint is to connect the oxygen supply pipe and the quarter steel pipe well, so as to realize the continuous and effective oxygen supply sintering from the converter oxygen supply equipment to the converter furnace during the maintenance of the converter furnace body.

The oxygen supply pipe joint is an intermediate device connecting the oxygen supply pipe and the quarter steel pipe. The oxygen supply pipe joint is designed with a screw locking pin and a corresponding screw locking port. After the oxygen supply pipe is connected with the oxygen supply pipe joint, insert the four-point steel pipe into the oxygen supply pipe joint, and the screw locking pin is tightened through the screw locking port, so that the locking pin can withstand (clamp) the gas entering the oxygen supply pipe joint. Quarter the steel pipe, and then complete the combination of the oxygen supply equipment.

Existing problems:

The oxygen supply pipe joint is designed with only one screw locking pin and the corresponding locking port. During use, the vibration of the four-point steel pipe is caused by the impact of the airflow in the pipeline, which is easy to cause the single screw locking pin to loosen and the locking function to fail. Failing to play the role of safety locking, frequent tightening and loosening operations are more likely to cause the sliding wire at the screw locking port to shorten the service life.

Utility model content

The purpose of the utility model is to provide an improved oxygen supply pipe joint for converter, which has a reasonable structure and good locking function, can realize the safe locking of the oxygen supply pipe joint, and improve the service life of the oxygen supply pipe joint.

The purpose of this utility model is achieved in this way: an improved oxygen supply pipe joint for converter, including oxygen supply pipe for steelmaking converter, the oxygen supply pipe joint installed on the oxygen supply pipe has the following structure: It consists of a cannula and a joint socket. The inner diameter of the joint socket is in dynamic coordination with the outer diameter of the quarter steel pipe. There are 3 screw holes radially evenly distributed on the outer wall of the joint socket. Tightening the bolt, the end of the tightening bolt is matched with the outer wall of the quarter steel pipe, and the outer diameter of the cannula is matched with the inner diameter of the oxygen supply pipe.

The utility model adds two screw locking openings on the basis of the original oxygen supply pipe joint, so that the three screw locking openings are at an angle of 120°, and three screw locking pins are used to fasten the oxygen supply equipment at the same time during the connection process of the oxygen supply equipment. , to reduce the loosening probability of the screw locking pin, and also reduce the frequency of tightening and loosening operations, realize the safe locking and reliability of the oxygen supply pipe joint and improve the service life, and further achieve cost savings.

The utility model has reasonable structure and good locking function, realizes the safe locking of the oxygen supply pipe joint, and improves the service life of the oxygen supply pipe joint.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings. Fig. 1 is a schematic diagram of the front view of the utility model, Fig. 2 is a schematic diagram of the front view of the oxygen supply pipe joint, and Fig. 3 is a schematic diagram of the left side view of Fig. 2.

Detailed ways

An improved oxygen supply pipe joint for converter, as shown in Figure 1, Figure 2, Figure 3, includes an oxygen supply pipe 1 for oxygen supply to a steelmaking converter, and an oxygen supply pipe installed on the oxygen supply pipe 1. The structure of the joint is composed of a cannula 2 and a joint socket 3, wherein the inner diameter of the joint socket 3 is in dynamic cooperation with the outer diameter of the quarter steel pipe 4, and three screw holes are radially evenly distributed on the outer wall of the joint socket 3. 7. Jacking bolts 5 are installed in the screw holes 7 respectively. The ends of the jacking bolts 5 are matched with the outer wall of the quarter steel pipe 4, and the outer diameter of the cannula 2 is matched with the inner diameter of the oxygen supply pipe 1. A transverse handle 6 is provided at the outer end of the jacking bolt 5 .

Claims (2)

1. a kind of oxygen supply pipe fitting of improved coverter pig, including the oxygen supplying tube (1) for steelmaking converter oxygen supply, it is characterized in that: Its structure of oxygen supply pipe fitting being coupled on oxygen supplying tube (1) is to be constituted by being intubated (2) and connector tube socket (3), center tap The dynamic cooperation of the outer diameter of the internal diameter of tube socket (3) and four steel splitting pipes (4), on the outer wall of connector tube socket (3) radial equipartition 3 screw holes (7), it is respectively cooperating with and is installed with puller bolt (5) in screw hole (7), the outer wall of the end of puller bolt (5) and four steel splitting pipes (4) It matches, the outer diameter of intubation (2) is matched with the internal diameter of oxygen supplying tube (1).

2. the oxygen supply pipe fitting of improved coverter pig according to claim 1, it is characterized in that: in the outer of puller bolt (5) Transverse handle (6) are arranged in end.