CN217687737U

CN217687737U - Detection device for ladle nozzle airtightness

Info

Publication number: CN217687737U
Application number: CN202221195906.XU
Authority: CN
Inventors: 朱济军; 李振威
Original assignee: Anyang Dongxing Metallurgical Refractories Co ltd
Current assignee: Anyang Dongxing Metallurgical Refractories Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-10-28
Anticipated expiration: 2032-05-17

Abstract

The utility model relates to an airtight detection technical field just discloses a ladle mouth of a river detection device for gas tightness, including the sealed tube, the lower extreme surface swing joint of sealed tube has the mounting, the lower extreme surface fixedly connected with branch pipe of mounting, the lower extreme surface fixedly connected with intake pipe of branch pipe, the internal surface sliding connection of branch pipe has the piston, the draw-in groove has been seted up to the upper end surface of mounting near the position at edge, the air flue has been seted up to the position in the middle of the upper end surface of mounting, the internal surface fixedly connected with of the draw-in groove on the mounting is sealed to be filled up, the inside of draw-in groove is provided with the commentaries on classics board, the outer disc intermediate position of sealed tube is provided with the glass window. This detection device for ladle mouth of a river gas tightness possesses sealed effectual, and the testing process is stable to the installation is fast, and detection efficiency advantage such as fast has solved the testing process unstability, problem that detection efficiency is low.

Description

Detection device for ladle nozzle airtightness

Technical Field

The utility model relates to an airtight detection technical field specifically is a detection device for ladle mouth of a river gas tightness.

Background

The long nozzle of the continuous casting ladle is positioned between the ladle and the tundish, and separates the molten steel flow from the ladle to the tundish from air, thereby playing the roles of preventing the molten steel from flowing away, reducing inclusion entering and protecting the molten steel from oxidation.

Among the present gas tightness check out test set, some check out test set appears in the in-process of using usually, and is not good at the sealed effect of the contact department of mouth of a river and check out test set, often has gas from which flows out to lead to detecting the error, and some check out test set installation process is loaded down with trivial details, thereby leads to detection efficiency to reduce.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a ladle mouth of a river detection device for gas tightness to prior art not enough, the utility model provides a ladle mouth of a river possesses sealed effectual, and the testing process is stable to the installation is fast, and detection efficiency advantage such as fast has solved the testing process unstability, problem that detection efficiency is low.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a detection device for ladle nozzle gas tightness, includes the sealed tube, the lower extreme surface swing joint of sealed tube has the mounting, the lower extreme surface fixedly connected with branch pipe of mounting, the lower extreme surface fixedly connected with intake pipe of branch pipe, the internal surface sliding connection of branch pipe has the piston, the draw-in groove has been seted up to the upper end surface of mounting near the position at edge, the air flue has been seted up to the position in the middle of the upper end surface of mounting, the internal surface fixedly connected with of draw-in groove on the mounting is sealed to fill up, the inside of draw-in groove is provided with the commentaries on classics board, the outer disc intermediate position of sealed tube is provided with the glass window.

Preferably, the right side fixedly connected with barometer of sealed tube, the fixed plate of sealed tube left side fixedly connected with, the internal surface fixedly connected with sealing washer of sealed tube, the upper end surface rotation of fixed plate is connected with fixing bolt.

Preferably, the number of the fixed plates is two, and the joints of the two fixed plates are fixedly connected with sealing gaskets.

Preferably, the number of the fixing bolts is three, the fixing bolts are arranged on the fixing plate at equal intervals, and the three fixing bolts are in threaded connection with the fixing plate.

Preferably, the number of the fixing pieces is two, and the fixing pieces are symmetrically arranged at the upper end and the lower end of the sealing tube.

Preferably, the branch pipe is communicated with the air passage, and the air inlet pipe is externally connected with an air pump.

Preferably, the clamping groove formed in the fixing piece is of a U-shaped structure, and the position, close to the lower end, of the outer circular surface of the rotating plate is fixedly connected with a spring.

Compared with the prior art, the utility model provides a detection device is used to ladle mouth of a river gas tightness possesses following beneficial effect:

1. this ladle is detection device for mouth of a river gas tightness, install the mounting respectively through the upper and lower both ends at the mouth of a river, the mounting is at the in-process of installation, the pipe wall part at the mouth of a river can insert the inside of draw-in groove, along with the continuation of the mouth of a river inserts, the pipe wall at the mouth of a river can extrude the commentaries on classics board that is located the inside draw-in groove, the commentaries on classics board that changes board rotation drive lies in the sealed pad of commentaries on classics board and draw-in groove internal surface and takes place the extrusion with the pipe wall at the mouth of a river, thereby make the pipe wall at the mouth of a river closely laminate with the mounting, draw-in groove through U type structure, can ensure that the gas that is located mouth of a river pipeline inside can not flow through the junction with the mounting, thereby the stability that detection device detected, on some at the mouth of a river, the mounting back is all installed at lower both ends, take out the sealed tube this moment, then take out the outside at the mouth of a river to sealed tube, in-process, some sealing ring that is located the sealed tube inside can closely laminate with the mouth of a river, after accomplishing the parcel, install fixing bolt on the fixed plate that lies in sealed tube one side, thereby make the mouth of a river fix the sealed tube.

2. This ladle is detection device for mouth of a river gas tightness, through locating external air pump at the intake pipe, it makes gas enter into the branch pipe inside to start the air pump, under the influence of pressure, be located the inside piston start of branch pipe, thereby begin to remove, thereby make the inside gas of branch pipe enter into in the air flue, and then enter into the inside at the mouth of a river, observe the barometer that is located the sealed tube outside this moment, on the mounting, the in-process that the air pump at lower both ends starts repeatedly, if the barometer does not change, then the gas tightness at the mouth of a river of representing is good, if the barometer changes, then the leakproofness at the mouth of a river of representing is poor, thereby accomplish and detect, this mode detection efficiency is fast, the efficiency of work is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the fixing member of the present invention;

fig. 3 is a schematic view of the sealing tube structure of the present invention.

Wherein: 1. sealing the tube; 2. a fixing member; 3. a branch pipe; 4. an air inlet pipe; 5. a piston; 6. a card slot; 7. an airway; 8. a gasket; 9. rotating the plate; 10. a glass window; 11. a seal ring; 12. a fixing plate; 13. fixing the bolt; 14. a barometer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Embodiment 1, as shown in fig. 1-2, a device for detecting the gas tightness of a ladle nozzle comprises a sealing tube 1, wherein a fixing member 2 is movably connected to the outer surface of the lower end of the sealing tube 1, a branch tube 3 is fixedly connected to the outer surface of the lower end of the fixing member 2, an air inlet tube 4 is fixedly connected to the outer surface of the lower end of the branch tube 3, a piston 5 is slidably connected to the inner surface of the branch tube 3, a clamping groove 6 is formed in the position, close to the edge, of the outer surface of the upper end of the fixing member 2, an air passage 7 is formed in the middle of the outer surface of the upper end of the fixing member 2, a sealing gasket 8 is fixedly connected to the inner surface of the clamping groove 6 on the fixing member 2, a rotating plate 9 is arranged inside the clamping groove 6, a glass window 10 is arranged in the middle of the outer circumferential surface of the sealing tube 1, the fixing member 2 is respectively installed at the upper end and the lower end of the nozzle, and the tube wall of the fixing member 2 is inserted into the clamping groove 6 during the installation process, along with the continuous insertion of the water gap, the pipe wall of the water gap can extrude the rotating plate 9 positioned inside the clamping groove 6, the rotating plate 9 rotates to drive the sealing gasket 8 positioned on the inner surfaces of the rotating plate 9 and the clamping groove 6 to extrude with the pipe wall of the water gap, so that the pipe wall of the water gap is tightly attached to the fixing part 2, the clamping groove 6 with the U-shaped structure can ensure that the gas positioned inside the water gap pipeline can not flow out through the connection part with the fixing part 2, thereby ensuring the detection stability of the detection device, after the fixing part 2 is installed at the upper end and the lower end of the water gap, the sealing pipe 1 is taken out at the moment, then the sealing pipe 1 is sleeved outside the water gap with the detection, in the wrapping process, the sealing ring 11 positioned inside the sealing pipe 1 can be tightly attached to the water gap, after the wrapping is completed, the fixing bolt 13 is installed on the fixing plate 12 positioned on one side of the sealing pipe 1, so that the sealing tube 1 is fixed at the periphery of the nozzle.

Embodiment 2, as shown in fig. 1 to 3, a barometer 14 is fixedly connected to the right side of the sealing tube 1, a fixing plate 12 is fixedly connected to the left side of the sealing tube 1, a sealing ring 11 is fixedly connected to the inner surface of the sealing tube 1, a fixing bolt 13 is rotatably connected to the outer surface of the upper end of the fixing plate 12, an external air pump is arranged at the air inlet pipe 4, the air pump is started to allow air to enter the branch pipe 3, under the influence of pressure, the piston 5 inside the branch pipe 3 is started to start moving, so that air inside the branch pipe 3 enters the air passage 7 and further enters the water gap, the barometer 14 outside the sealing tube 1 is observed at the moment, and in the process that the air pumps at the upper end and the lower end of the fixing member 2 are repeatedly started, if the barometer 14 does not change, the air tightness of the water gap is good, and if the barometer 14 changes, the tightness of the water gap is poor, so that the detection is completed, the detection efficiency is fast, and the work efficiency is improved.

Working principle; when the device is used, firstly, a water gap to be detected is taken out, then, the fixing part 2 is respectively installed at the upper end and the lower end of the water gap, the fixing part 2 is in the installation process, the pipe wall part of the water gap can be inserted into the clamping groove 6, along with the continuous insertion of the water gap, the pipe wall of the water gap can extrude the rotating plate 9 positioned inside the clamping groove 6, the rotating plate 9 rotates to drive the sealing gasket 8 positioned on the inner surface of the rotating plate 9 and the clamping groove 6 to extrude with the pipe wall of the water gap, so that the pipe wall of the water gap is tightly attached to the fixing part 2, through the clamping groove 6 of the U-shaped structure, the gas positioned inside the water gap pipeline can be ensured not to flow out through the connection part with the fixing part 2, thereby the detection stability of the detection device is ensured, after the fixing part 2 is installed at the upper end and the lower end of the water gap, then, the sealing pipe 1 is taken out, then, the sealing pipe 1 is sleeved outside of the water gap with the detection port, in the wrapping process, some sealing ring 11 positioned inside the sealing pipe 1 can be tightly attached to the water gap, after the wrapping is completed, the wrapping, the fixing bolt 13 is installed on the fixing plate 12 positioned on the fixing plate 1 positioned on the fixing plate 12 positioned on one side of the water gap, thereby, the fixing pipe, the gas pressure of the gas pump can be well fixed, the gas pressure instrument, the gas inlet pipe, the gas pressure of the gas inlet can be repeatedly observed when the gas pump, the gas pressure instrument can be repeatedly observed from the gas inlet branch pipe, the gas inlet pipe, the gas pump, when the gas pressure instrument 14, the gas pressure instrument, the gas inlet is changed, the gas inlet, when the gas inlet branch pipe 3, the gas inlet, when the gas pump, the gas pressure instrument is started, the gas pump, the gas pressure instrument is changed, the gas pressure instrument, when the gas pressure instrument, the gas pump is started, the gas pump, the gas branch pipe is changed, the gas branch pipe 3, the gas pump, when the gas pump, the gas branch pipe 3, therefore, detection is completed, the detection efficiency is high, and the working efficiency is improved.

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

1. The utility model provides a ladle nozzle gas tightness detection device, includes sealed tube (1), its characterized in that: the utility model discloses a sealing structure, including sealing tube (1), lower extreme surface swing joint of sealing tube (1) has mounting (2), the lower extreme surface fixedly connected with branch pipe (3) of mounting (2), the lower extreme surface fixedly connected with intake pipe (4) of branch pipe (3), the internal surface sliding connection of branch pipe (3) has piston (5), draw-in groove (6) have been seted up to the upper end surface of mounting (2) near the position at edge, air flue (7) have been seted up to the position in the middle of the upper end surface of mounting (2), the internal surface fixedly connected with of draw-in groove (6) on mounting (2) fills up sealed (8), the inside of draw-in groove (6) is provided with commentaries on classics board (9), the outer disc intermediate position of sealing tube (1) is provided with glass window (10).

2. The device for detecting the airtightness of the ladle nozzle according to claim 1, wherein: the right side fixedly connected with barometer (14) of sealed tube (1), sealed tube (1) left side fixedly connected with fixed plate (12), sealed tube (1) internal surface fixedly connected with sealing washer (11), the upper end surface rotation of fixed plate (12) is connected with fixing bolt (13).

3. The ladle nozzle airtightness detection device according to claim 2, wherein: the quantity of fixed plate (12) is two, two equal fixedly connected with of fixed plate (12) junction seals up (8).

4. The ladle nozzle airtightness detection device according to claim 2, wherein: the number of the fixing bolts (13) is three, the fixing bolts are arranged on the fixing plate (12) at equal intervals, and the fixing bolts (13) are connected with the fixing plate (12) in a threaded mode.

5. The ladle nozzle airtightness detection device according to claim 1, wherein: the number of the fixing pieces (2) is two, and the fixing pieces are symmetrically arranged at the upper end and the lower end of the sealing pipe (1).

6. The ladle nozzle airtightness detection device according to claim 1, wherein: the branch pipe (3) is communicated with the air passage (7), and the air inlet pipe (4) is externally connected with an air pump.

7. The device for detecting the airtightness of the ladle nozzle according to claim 1, wherein: the clamping groove (6) formed in the fixing piece (2) is of a U-shaped structure, and a spring is fixedly connected to the position, close to the lower end, of the outer circular surface of the rotating plate (9).