CN210506420U - Oxygen rifle water-cooling protector - Google Patents

Abstract

The utility model discloses an oxygen lance water-cooling protection device, which comprises clamping rings, bolt rods, a water-cooling sleeve and a water-cooling sleeve, wherein the water-cooling sleeve is internally sleeved with a guide cylinder, one end of the guide cylinder is fixedly connected with a nozzle, the other end outer wall of the guide cylinder is embedded with an oxygen inlet pipe, the outer side of the guide cylinder and the two sides of the water-cooling sleeve are both sleeved with the clamping rings, a plurality of bolt rods are connected between the two clamping rings, the ends of the bolt rods are both sleeved with nuts, the outer wall of the guide cylinder, which is positioned in the clamping rings, is all welded with conical rings, the inner walls of the clamping rings are all provided with circular grooves, sealing rings are all embedded in the circular grooves, a heat insulation cavity is arranged between the guide cylinder and the water-cooling sleeve, a guide plate is arranged in the heat insulation cavity, the oxygen lance water-cooling protection device adopts an, the heat of the sealing washer and the sealing ring can be fully absorbed, and the failure of the sealing structure can be avoided.

Description

Oxygen rifle water-cooling protector

Technical Field

The utility model relates to a water-cooling protector, in particular to oxygen rifle water-cooling protector belongs to oxygen rifle technical field.

Background

The oxygen lance is a tubular device which blows high-pressure high-purity oxygen above a metal molten pool in a converter at supersonic speed and is provided with a high-pressure water cooling protection system, also called as a cardia lance, which is an important device for oxygen top-blown steel making.

For making the oxygen rifle can bear the heat radiation of the high warm area of fire point, the oxygen rifle outside generally adds and is equipped with water-cooling structure, but traditional oxygen rifle water-cooling protective structure constitutes the integral type structure with the oxygen rifle body, is difficult to disassemble the oxygen rifle, and just traditional oxygen rifle adopts the one-way mode of intaking and one-way play water to cool off for the back end heat transfer ability of water-cooling structure weakens greatly, easily appears cooling uneven problem, leads to the oxygen rifle to appear dangerous condition such as crooked, leakage easily.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect of the prior art, and to provide an oxygen lance water-cooling protective device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an oxygen rifle water-cooling protector, including clamp ring, shank of bolt, water-cooling cover and water-cooling cover, the water-cooling cover endotheca is equipped with the draft tube, the one end fixedly connected with nozzle of draft tube, the other end outer wall of draft tube inlays and is equipped with into oxygen pipe, the outside of draft tube and the both sides that are located the water-cooling cover all overlap and are equipped with the clamp ring, two be connected with a plurality of shank of bolt between the clamp ring, the shank of bolt end all overlaps and is equipped with the nut, it has all welded the taper ring that is located the clamp ring of draft tube outer wall, the circular slot has all been seted up to the clamp ring inner wall, all inlay in the circular slot and be equipped with the sealing ring, be equipped with thermal-insulated cavity between draft tube and the water-cooling cover, be equipped with the guide plate in the thermal-insulated cavity, it is.

As the utility model discloses a preferred technical scheme, two the outlet pipe welds respectively on the both ends outer wall of water-cooling jacket, the inlet tube welding is on the middle part outer wall of water-cooling jacket.

As an optimized technical scheme of the utility model, the clamp ring all corresponds the shank of bolt and has seted up the perforation, the clamp ring middle part has all been seted up and has been worn the groove corresponding with the draft tube.

As an optimal technical scheme of the utility model, all be equipped with the sealing gasket ring between water-cooling jacket and the clamp ring, the guide plate is helical structure.

As an optimized technical scheme of the utility model, the inside round cavity that is equipped with of awl ring, the awl ring outer wall is equipped with cyclic annular inclined plane.

The utility model discloses the beneficial effect who reaches is:

the utility model provides an this oxygen rifle water-cooling protector adopts assembled structure, has avoided traditional integral type water-cooling oxygen rifle to overhaul inconvenient problem, and seal ring and sealing ring are heat-resisting rubber materials and make, and simultaneously, the cold water circulation in-process also can fully absorb seal ring and sealing ring heat, can avoid seal structure inefficacy.

Two, this oxygen rifle water-cooling protector, inside is equipped with the guide plate, can guide cold water to be the circulation of spirals to effective effect is in the oxygen rifle periphery, and the cooling effect is good, and in addition, cold water gets into by thermal-insulated chamber middle part, flows by thermal-insulated chamber both ends, has shortened the heat transfer length of cold water, avoids cold water intensification back, causes the not good problem of heat transfer effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a structure in fig. 2 of the present invention.

In the figure: 1. a clamping ring; 2. a bolt shank; 3. water cooling jacket; 4. a baffle; 5. a draft tube; 6. a nozzle; 7. an oxygen inlet pipe; 8. a water outlet pipe; 9. a thermally insulating cavity; 10. a water inlet pipe; 11. a nut; 12. a conical ring; 13. A circular groove; 14. a seal ring; 15. and (4) a flange.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in figures 1-3, the oxygen lance water-cooling protection device comprises a clamping ring 1 and a bolt rod 2, water-cooling cover 3 and water-cooling cover 3, water-cooling cover 3 endotheca is equipped with draft tube 5, the one end fixedly connected with nozzle 6 of draft tube 5, the other end outer wall of draft tube 5 inlays and is equipped with into oxygen pipe 7, the outside of draft tube 5 and the both sides that are located water-cooling cover 3 all overlap and are equipped with clamp ring 1, be connected with a plurality of shank of bolt 2 between two clamp ring 1, 2 ends of shank of bolt are all overlapped and are equipped with nut 11, it has taper ring 12 all to lie in clamp ring 1 welding in draft tube 5 outer wall, circular slot 13 has all been seted up to clamp ring 1 inner wall, all inlay in the circular slot 13 and be equipped with sealing ring 14, be equipped with thermal-insulated chamber 9 between draft tube 5 and the water-cooling cover 3, be equipped with guide plate 4 in the thermal-insulated chamber 9, it is equipped with inlet tube 10 and two outlet pipes 8 to inlay on.

Wherein, two outlet pipes 8 weld respectively on the both ends outer wall of water-cooling jacket 3, and inlet tube 10 welds on the middle part outer wall of water-cooling jacket 3, and water gets into thermal-insulated chamber 9 from inlet tube 10 to circulate to both sides along guide plate 4, later, flow out from outlet pipe 8, this process has shortened the heat transfer length of cold water, makes cold water evenly absorbed the oxygen rifle heat.

Wherein, the clamp ring 1 has been seted up the perforation corresponding to the shank of bolt 2, and the clamp ring 1 middle part has all been seted up the trough corresponding with draft tube 5, and the equipment is swift.

Wherein, all be equipped with the sealing gasket ring between water-cooling jacket 3 and the clamp ring 1, guide plate 4 is helical structure, can guide cold water to be the screw circulation to effective effect is in the oxygen rifle periphery, and the cooling effect is good.

Wherein, the inside round chamber that is equipped with of awl ring 12, the outer wall of awl ring 12 is equipped with cyclic annular inclined plane, and the interval between clamp ring 1 diminishes for clamp ring 1 can constantly extrude seal ring and sealing ring 14, and the slope of the outer wall of awl ring 12 makes awl ring 12 and clamp ring 1 can sticis sealing ring 14, forms seal structure.

Specifically, when the utility model is installed, firstly, the conical rings 12 are welded on the outer wall of the draft tube 5, the two conical rings 12 are symmetrically sleeved on the outer walls of the two ends of the draft tube 5, then the clamping rings 1 and the water cooling jacket 3 are sequentially sleeved on the outer side of the draft tube 5, the two clamping rings 1 are respectively positioned on the two sides of the water cooling jacket 3, a sealing washer is respectively arranged on the two ends of the water cooling jacket 3, the sealing washer 14 is embedded into the circular groove 13, then, the bolt rod 2 sequentially passes through the corresponding through holes on the two clamping rings 1, and the nut 11 is tightened, in the tightening process of the nut 11, the distance between the clamping rings 1 is reduced, so that the clamping rings 1 can continuously extrude the sealing washer and the sealing washer 14, the outer wall of the conical ring 12 is inclined, so that the conical rings 12 and the clamping rings 1 can tightly press the sealing washer 14 to form a sealing structure, meanwhile, the clamping rings, cold water enters the heat insulation cavity 9 from the water inlet pipe 10 and flows to two sides along the guide plate 4, then flows out from the water outlet pipe 8, in the process, the heat exchange length of the cold water is shortened, the cold water uniformly absorbs the heat of the oxygen lance, the dangerous conditions of bending, leakage and the like of the oxygen lance are avoided, the sealing washer and the sealing ring 14 are made of heat-resistant rubber materials, meanwhile, in the cold water flowing process, the heat of the sealing washer and the sealing ring 14 can be fully absorbed, and the sealing structure can be prevented from losing efficacy.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. An oxygen lance water-cooling protection device comprises clamp rings (1), bolt rods (2), water-cooling sleeves (3) and water-cooling sleeves (3), and is characterized in that a guide cylinder (5) is sleeved in the water-cooling sleeves (3), a nozzle (6) is fixedly connected with one end of the guide cylinder (5), an oxygen inlet pipe (7) is embedded in the outer wall of the other end of the guide cylinder (5), clamp rings (1) are sleeved on the outer side of the guide cylinder (5) and located on two sides of the water-cooling sleeves (3), a plurality of bolt rods (2) are connected between the two clamp rings (1), nuts (11) are sleeved on the ends of the bolt rods (2), conical rings (12) are welded on the outer wall of the guide cylinder (5) and located in the clamp rings (1), circular grooves (13) are formed in the inner walls of the clamp rings (1), sealing rings (14) are embedded in the circular grooves (13), and a heat insulation cavity (9) is formed between the guide cylinder (5) and the water-cooling sleeves (3), be equipped with guide plate (4) in thermal-insulated chamber (9), inlay on the outer wall of water-cooling jacket (3) and be equipped with inlet tube (10) and two outlet pipes (8), flange (15) have all been welded to inlet tube (10), outlet pipe (8) and oxygen inlet pipe (7) end.

2. The oxygen lance water-cooling protection device as claimed in claim 1, characterized in that: the two water outlet pipes (8) are respectively welded on the outer walls of the two ends of the water cooling jacket (3), and the water inlet pipe (10) is welded on the outer wall of the middle part of the water cooling jacket (3).

3. The oxygen lance water-cooling protection device as claimed in claim 1, characterized in that: the clamp ring (1) is provided with through holes corresponding to the bolt rods (2), and the middle part of the clamp ring (1) is provided with through grooves corresponding to the guide cylinder (5).

4. The oxygen lance water-cooling protection device as claimed in claim 1, characterized in that: and a sealing gasket ring is arranged between the water cooling sleeve (3) and the clamping ring (1), and the guide plate (4) is of a spiral structure.

5. The oxygen lance water-cooling protection device as claimed in claim 1, characterized in that: the conical ring (12) is internally provided with a circular cavity, and the outer wall of the conical ring (12) is provided with an annular inclined surface.

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