Sealing valve structure

Abstract

The utility model discloses a sealing valve structure which comprises a flange ring, the left side and the right side of the flange ring are each provided with a set of installation pipes, a first molten steel pipe is movably installed in the installation pipe on the left side through a shaft sleeve, and a second molten steel pipe is movably installed in the installation pipe on the right side through a shaft sleeve. A turning plate is fixedly installed between the second molten steel pipe and the first molten steel pipe, a sleeving disc is installed on the front side of the turning plate in a front-back sliding mode through a sealing ring, a circle of sealing table is arranged on the inner side of the flange ring, and the sealing table and the sleeving disc are installed in a contact mode. According to the sealing device, the rotating disc is rotated firstly, the turning plate is turned over integrally through bevel gear transmission, the sealing valve is opened and closed, water enters the annular water tank by flushing high-pressure water into the second molten steel pipe, the water is pressed against the sleeving disc forwards, the sleeving disc is in close contact with the sealing table, and the sealing effect is better; and then water is discharged out of the device from the first molten steel pipe, so that the sealing performance of the valve is integrally improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing valve technical field especially a sealing valve structure. BACKGROUND

[0002] With the development of modern blast furnace tapping technology, the continuous optimization and perfection of blast furnace tapping system, the continuous increase of blast furnace internal pressure, the increase of tapping quantity of tapping field and the increase of material of blast furnace internal, the burden of blast furnace top material tank is increased, the operation frequency of upper and lower sealing valves is increased, and long-term high-load operation leads to the sealing of sealing valve plate not being tight and air leakage. The equalizing pressure of blast furnace top material tank is about 1.90 kg, according to the pressure fluctuation of the production process requirement, the upper and lower of the material tank cannot be higher than 0.02 kg / min, otherwise it will be considered that the sealing of each sealing valve is not tight and air leakage, and when air leakage is serious, it will even lead to material puffing, which seriously affects the production of blast furnace.

[0003] Because the operation environment of the sealing valve is in the material tank, the dust is large, the temperature is high and other reasons, the valve plate cannot be adjusted after long-term use of the sealing valve, the valve plate rubber ring and the valve seat are not sealed, at this time, the valve plate needs to be replaced frequently to ensure the sealing of the valve plate rubber ring and the valve seat, which causes inconvenience in use. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a sealing valve structure.

[0005] The utility model solves technical scheme that adopts: a sealing valve structure, including flange ring, both sides of the flange ring are provided with a group of installation pipes, the inside of the left installation pipe is movably installed with first molten steel pipe through shaft sleeve, the inside of the right installation pipe is movably installed with second molten steel pipe through shaft sleeve, the second molten steel pipe and first molten steel pipe are fixedly installed with flap between them, the front side of the flap is slidably installed with sleeving disc through sealing ring, the inside of the flange ring is provided with a circle of sealing platform, and the sealing platform is installed in contact with the sleeving disc.

[0006] Further, the outside of the right installation pipe is fixedly installed with fixed box, the upper end of the fixed box is movably installed with installation shaft, the lower end of the installation shaft is fixedly installed with second bevel gear, the lower side of the second bevel gear is installed in cooperation with first bevel gear, and the first bevel gear is fixedly installed on the outside of the second molten steel pipe.

[0007] Further, the upper end of the installation shaft is fixedly installed with rotary table, and the rotary table is located on the outside of the upper end of the fixed box.

[0008] Further, the inside of the flap is provided with a circle of annular water tank, and the annular water tank is connected and communicated with the inside of the first molten steel pipe and the second molten steel pipe.

[0009] Further, the front side of the annular water tank is provided with a sleeving disc.

[0010] Further, the front side of the flap is provided with a groove, and a damping rod is fixedly installed in the groove.

[0011] Further, the inner side of the sealing table is provided with an arc surface for preventing interference with the rotation of the flap.

[0012] The utility model discloses the beneficial effect is: first rotation turntable, realizes the overturning of flap through bevel gear drive whole, realizes the opening and closing of sealing valve, makes the water enter annular water tank by the high pressure water of the inside of second molten steel pipe to the water pressure to the front side and support sleeving disc, makes sleeving disc and sealing table close contact, makes the sealing effect better, then water is discharged from the first molten steel pipe device, improves the sealing property of valve as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further illustrated below in connection with the drawings and examples.

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is the front view of the utility model;

[0016] Figure 3 It is the side view of the utility model;

[0017] Figure 4 It is the enlarged view of A of the utility model.

[0018] In the drawing: 1. flange ring, 2. flap, 3. installation pipe, 4. first molten steel pipe, 5. fixed box, 6. second molten steel pipe, 7. turntable, 8. shaft sleeve, 9. first bevel gear, 10. second bevel gear, 11. installation shaft, 12. annular water tank, 13. damping rod, 14. spring, 15. sleeving disc, 16. sealing table, 17. sealing ring. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the technical scheme of the utility model, the utility model is further illustrated below in connection with the drawings, and obviously, the drawings described below are only one embodiment of the utility model, and for the ordinary skilled person in the art, other embodiments are obtained according to the drawings and examples on the premise of not paying creative labor, and all belong to the protection scope of the utility model.

[0020] As Figure 1 And Figure 2As shown, the utility model of flange ring 1, the left and right sides of flange ring 1 each is provided with a set of installation pipe 3, and the inside of left installation pipe 3 is movably installed first molten steel pipe 4 through shaft sleeve 8, and the inside of right installation pipe 3 is movably installed second molten steel pipe 6 through shaft sleeve 8, and shaft sleeve 8 is used for sealing, and the fixed mounting flap 2 between second molten steel pipe 6 and first molten steel pipe 4, and the outside of right installation pipe 3 is fixedly installed fixed box 5, and the upper end of fixed box 5 is movably installed mounting shaft 11, and the upper end of mounting shaft 11 is fixedly installed turntable 7, and turntable 7 is located the upper end outside of fixed box 5, and the lower end of mounting shaft 11 is fixedly installed second bevel gear 10, and first bevel gear 9 is installed on the lower side of second bevel gear 10, and is fixedly installed on the outside of second molten steel pipe 6, and by rotating turntable 7, the whole realization of overturning flap 2 is realized through bevel gear drive.

[0021] As Figures 2 to 4 Shown, the inside of flap 2 is provided with a ring-shaped water tank 12, and the inside of ring-shaped water tank 12 is connected with the inside of first molten steel pipe 4 and second molten steel pipe 6, and the front side of ring-shaped water tank 12 is provided with a sleeve plate 15, and the front side of flap 2 is slidably installed sleeve plate 15 through sealing ring 17, and the recess of the front side of flap 2 is fixedly installed damping rod 13, and the front side of damping rod 13 is fixedly installed sleeve plate 15, and the outside of damping rod 13 is provided with spring 14, and the inside of flange ring 1 is provided with a circle sealing platform 16, and sealing platform 16 is installed in contact with sleeve plate 15, and the inside of sealing platform 16 is provided with an arc surface for preventing interference with the rotation of flap 2.

[0022] The utility model is in use, first rotating turntable 7, the whole realization of overturning flap 2 is realized through bevel gear drive, realizes the opening and closing of sealing valve, by the high pressure water of inside second molten steel pipe 6, makes water enter ring-shaped water tank 12, makes water pressure top sleeve plate 15 to the front side, makes sleeve plate 15 and sealing platform 16 close contact, makes sealing effect better, and then water is discharged from first molten steel pipe 4 to the outside of device, and the sealing property of valve is improved as a whole.

[0023] The above embodiment is only exemplary embodiment of the utility model, and is not used to limit the utility model, and the protection scope of the utility model is defined by the claims, and the person skilled in the art can make various modifications or equivalent replacement to the utility model within the utility model's essence and protection scope, and the modification or equivalent replacement should be regarded as falling within the protection scope of the utility model.

Claims

1. A seal valve structure comprising a flange ring (1), characterized in that: The left and right sides of the flange ring (1) are each provided with a group of installation pipes (3), the inside of the left installation pipe (3) is movably installed with a first molten steel pipe (4) through a shaft sleeve (8), the inside of the right installation pipe (3) is movably installed with a second molten steel pipe (6) through a shaft sleeve (8), the second molten steel pipe (6) is fixedly installed with a flap (2) between the first molten steel pipe (4), the front side of the flap (2) is slidably installed with a sleeving disc (15) through a sealing ring (17), the inside of the flange ring (1) is provided with a ring of sealing platforms (16), the sealing platforms (16) are installed in contact with the sleeving disc (15).

2. A sealed valve structure according to claim 1, wherein The outside of the right installation pipe (3) is fixedly installed with a fixed box (5), the upper end of the fixed box (5) is movably installed with an installation shaft (11), the lower end of the installation shaft (11) is fixedly installed with a second bevel gear (10), the lower side of the second bevel gear (10) is installed in cooperation with a first bevel gear (9), the first bevel gear (9) is fixedly installed on the outside of the second molten steel pipe (6).

3. A sealed valve structure according to claim 2, wherein The upper end of the installation shaft (11) is fixedly installed with a rotating disc (7), the rotating disc (7) is located on the outside of the upper end of the fixed box (5).

4. The sealed valve structure of claim 1, wherein The inside of the flap (2) is provided with a ring of annular water channels (12), the annular water channels (12) are connected in communication with the interiors of the first molten steel pipe (4) and the second molten steel pipe (6).

5. A sealed valve structure according to claim 4, wherein The front side of the annular water channel (12) is provided with the sleeving disc (15).

6. A sealed valve structure according to claim 5, wherein The front side of the flap (2) is fixedly installed with a damping rod (13) in a groove, the front side of the damping rod (13) is fixedly installed with the sleeving disc (15), the outside of the damping rod (13) is provided with a spring (14).

7. A sealed valve structure according to claim 6, wherein The inside of the sealing platform (16) is provided with an arc surface for preventing interference with the rotation of the flap (2).

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