CN210856197U - Anti-falling device for oxygen lance - Google Patents

Abstract

The utility model discloses an oxygen lance anti-falling device, which comprises an oxygen lance, wherein a jet mechanism is arranged in the oxygen lance, an anti-falling mechanism is arranged at the opening part at the lower end of the jet mechanism, a water cooling cavity is arranged in the oxygen lance, one side of the water cooling cavity is fixedly communicated with a water inlet pipe, the other side of the water cooling cavity is fixedly communicated with a water outlet pipe, the anti-falling mechanism comprises a fixed ring groove, the fixed ring groove is arranged on the outer side wall of the oxygen lance close to the opening part at the lower end, two fixed half rings are clamped in the oxygen lance through the arranged fixed ring groove, the threaded half rings fixed on the upper surfaces of the two fixed half rings are connected through a threaded sleeve, so as to prevent the fixed half rings from falling off, the two anti-falling half rings are connected through the two connecting half rings, the lower end of the oxygen lance is wrapped through the, thereby effectively ensuring the safe operation of the smelting furnace and the oxygen lance.

Description

Anti-falling device for oxygen lance

Technical Field

The utility model relates to an oxygen rifle technical field specifically is an oxygen rifle anti falling device.

Background

The converter oxygen lance is a key device of a converter steelmaking production line, and because the oxygen lance is slowly inserted into a smelting furnace to work, the working environment of the oxygen lance is severe, parts inside the oxygen lance can be greatly damaged when the oxygen lance is in a high-temperature environment line for a long time, parts such as an air injection pipe, a spray head and the like inside the oxygen lance cannot be conveniently maintained by the existing oxygen lance are detachable, further, the parts inside the oxygen lance can fall into the furnace, and serious safety accidents such as molten steel splashing and explosion of the converter can be caused under the conditions that molten steel exists in the furnace and accident response is improper.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oxygen rifle anti falling device to being in the high temperature environment line operation for a long time that proposes in solving above-mentioned background and can causing great damage to the inside part of oxygen rifle, current oxygen rifle fails to conveniently maintain inside parts such as the person in charge of admitting air and shower nozzle all be detachable, and then probably leads to oxygen rifle internals to fall in the stove, has the problem that can lead to great incident such as converter molten steel splash and explosion under the improper condition of molten steel and accident response in the stove.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-falling device of an oxygen lance comprises the oxygen lance, wherein an air injection mechanism is arranged inside the oxygen lance, an anti-falling mechanism is arranged at an opening at the lower end of the air injection mechanism, a water cooling cavity is formed inside the oxygen lance, one side of the water cooling cavity is fixedly communicated with a water inlet pipe, and the other side of the water cooling cavity is fixedly communicated with a water discharge pipe.

As the utility model discloses a preferred technical scheme, jet-propelled mechanism includes the jet-propelled pipe, the jet-propelled pipe is seted up in the inside center department of oxygen rifle, the upper end of jet-propelled pipe is provided with the person in charge that admits air, it has the auxiliary pipe that admits air to be fixed the intercommunication on the lateral wall of one side that the jet-propelled pipe is close to the person in charge that admits air, the other end fixedly connected with shower nozzle of jet-propelled pipe.

As a preferred technical scheme of the utility model, anti-falling mechanism includes the fixed annular, the fixed annular is seted up on the lateral wall that the oxygen rifle is close to the lower extreme opening part, the inside joint of fixed annular has two fixed semi-rings that two symmetries set up, two the connection semi-ring that two symmetries of fixed semi-ring's lower extreme difference fixedly connected with set up, two connection semi-ring's the other end difference fixedly connected with two symmetrical anti-falling semi-rings, two respectively on the upper surface of fixed semi-ring two assorted half section of thick bamboos of fixedly connected with, two half section of thick bamboo of screw thread has same threaded sleeve on the surface, fixedly connected with bull stick on the upper surface of threaded sleeve.

As an optimal technical scheme of the utility model, two prevent weighing down the upper surface and the shower nozzle contact of semi-ring, two prevent weighing down the center department of semi-ring and offer the through-hole corresponding with the shower nozzle.

As a preferred technical scheme of the utility model, the threaded sleeve wants to match with two half section of thick bamboos of screw thread.

The utility model discloses the beneficial effect who reaches is: the utility model relates to an oxygen rifle anti falling device, the fixed annular through setting up is inside two fixed semi-ring cards, through the screw thread sleeve with two fixed semi-ring upper surfaces on fixed screw thread semi-ring threaded connection, and then prevent that fixed semi-ring from droing, connect two through two and prevent weighing down the semi-ring, prevent weighing down the semi-ring through setting up and wrap up the lower extreme of oxygen rifle, and then prevent that the inside part of oxygen rifle from being heated numerous to take place the damage and then drop the smelting pot inside and cause incident such as sputter, and then the effectual safe operation who guarantees smelting pot and oxygen rifle.

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 front structural view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: 1. an oxygen lance; 2. an air injection mechanism; 21. a gas ejector tube; 22. a main air inlet pipe; 23. an air inlet auxiliary pipe; 24. a spray head; 3. An anti-falling mechanism; 31. a fixed ring groove; 32. a stationary half ring; 33. connecting the half rings; 34. the anti-falling semi-ring; 35. a threaded half-cylinder; 36. a threaded sleeve; 37. a rotating rod; 4. a water-cooled cavity; 5. a water inlet pipe; 6. and a water discharge pipe.

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.

Examples

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides an oxygen rifle anti falling device, includes oxygen rifle 1, and the inside of oxygen rifle 1 is provided with jet-propelled mechanism 2, and the lower extreme opening part of jet-propelled mechanism 2 is provided with anti-falling mechanism 3, and water cooling chamber 4 has been seted up to oxygen rifle 1's inside, and one side of water cooling chamber 4 is fixed to be communicated with inlet tube 5, and the fixed intercommunication of the opposite side of water cooling chamber 4 has drain pipe 6.

Jet mechanism 2 includes jet-propelled pipe 21, jet-propelled pipe 21 is seted up in the inside center department of oxygen rifle 1, jet-propelled pipe 21's upper end is provided with the main pipe 22 that admits air, jet-propelled pipe 21 is close to and admits air on the main pipe 22's of being responsible for one side lateral wall fixed intercommunication has the auxiliary pipe 23 that admits air, jet-propelled pipe 21's other end fixedly connected with shower nozzle 24, through admitting air main pipe 22 and the auxiliary pipe 23 that admits air and let in oxygen rifle 1 operation suxu's required gas to jet-propelled pipe 21 inside, and then 2 spout inside.

The anti-falling mechanism 3 comprises a fixed ring groove 31, the fixed ring groove 31 is arranged on the outer side wall of the oxygen lance 1 close to the lower end opening, two symmetrically arranged fixed half rings 32 are clamped in the fixed ring groove 31, the lower ends of the two fixed half rings 32 are fixedly connected with two symmetrically arranged connecting half rings 33 respectively, the other ends of the two connecting half rings 33 are fixedly connected with two symmetrical anti-falling half rings 34 respectively, the upper surfaces of the two fixed half rings 32 are fixedly connected with two matched threaded half cylinders 35 respectively, the surface of the two threaded half cylinders 35 is in threaded connection with a same threaded sleeve 36, the upper surface of the threaded sleeve 36 is fixedly connected with a rotating rod 37, the two fixed half rings 32 are clamped in the fixed ring groove 31, and then the two anti-falling half rings 34 are driven to be clamped at the lower end opening of the oxygen lance 1 through the two connecting half rings 33, the threaded sleeve 36 is sleeved on the Shandong trunk of the two threaded half cylinders 35, then the threaded sleeve 36 is rotated, the threaded sleeve 36 is driven to be in threaded connection with the two threaded half cylinders 35, the threaded sleeve 36 is further used for fixing the two threaded half cylinders 35, then the two threaded half cylinders 35 are prevented from being separated, further the two fixed half rings 32 are prevented from being separated, further the two connecting half rings 33 are prevented from being separated, and further the two anti-falling half rings 34 are prevented from being separated.

The upper surfaces of the two anti-falling half rings 34 are in contact with the spray head 24, and the centers of the two anti-falling half rings 34 are provided with through holes corresponding to the spray head 24, so that the spray head 24 can work normally.

The threaded sleeve 36 is matched with the two threaded half-cylinders 35, and the two threaded half-cylinders 35 are fixed through the threaded sleeve 36 to prevent the two fixed half-rings 32 from being separated.

Specifically, the gas lance 21 and the nozzle 24 are fixed inside the oxygen lance 1, then two fixed half rings 32 are clamped inside the fixed ring groove 31, then two anti-falling half rings 34 are driven to be clamped at the lower end opening of the oxygen lance 1 through the two connecting half rings 33, then the threaded sleeve 36 is moved downwards to enable the threaded sleeve 36 to be sleeved on the Shandong trunk of the two threaded half cylinders 35, then the threaded sleeve 36 is rotated to further drive the threaded sleeve 36 to be in threaded connection with the two threaded half cylinders 35, further the threaded sleeve 36 fixes the two threaded half cylinders 35, further the two threaded half cylinders 35 are prevented from being separated, further the two fixed half rings 32 are prevented from being separated, further the two connecting half rings 33 are prevented from being separated, further the two anti-falling half rings 34 are prevented from being separated, when the oxygen lance 1 is inserted into a smelting furnace to run, parts inside the oxygen lance are damaged due to overhigh temperature, and further, the parts are lifted through the two anti-falling half rings 34, so that the parts are prevented from falling into the smelting furnace from being separated from the oxygen lance 1, the parts are prevented from falling into the smelting furnace to cause sputtering, and the safe operation of the smelting furnace and the oxygen lance 1 is effectively ensured.

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. The utility model provides an oxygen lance anti falling device, its characterized in that includes oxygen lance (1), the inside of oxygen lance (1) is provided with jet-propelled mechanism (2), the lower extreme opening part of jet-propelled mechanism (2) is provided with prevents weighing down mechanism (3), water-cooling chamber (4) have been seted up to the inside of oxygen lance (1), one side of water-cooling chamber (4) is fixed to be communicated with inlet tube (5), the opposite side of water-cooling chamber (4) is fixed to be communicated with drain pipe (6).

2. The oxygen lance anti-falling device as claimed in claim 1, wherein: the air injection mechanism (2) comprises an air injection pipe (21), the air injection pipe (21) is arranged at the center of the interior of the oxygen lance (1), an air inlet main pipe (22) is arranged at the upper end of the air injection pipe (21), an air inlet auxiliary pipe (23) is fixedly communicated with the side wall of one side, close to the air inlet main pipe (22), of the air injection pipe (21), and a spray head (24) is fixedly connected to the other end of the air injection pipe (21).

3. The oxygen lance anti-falling device as claimed in claim 1, wherein: prevent weighing down mechanism (3) including fixed ring groove (31), fixed ring groove (31) are seted up on oxygen rifle (1) is close to the lateral wall of lower extreme opening part, the inside joint of fixed ring groove (31) has two semi-fixed ring (32) that two symmetries set up, two the lower extreme of semi-fixed ring (32) is fixedly connected with the connection semi-ring (33) that two symmetries set up respectively, and two the other end of connecting semi-ring (33) is two symmetrical semi-ring (34), two the half a section of thick bamboo (35) of two assorted screw threads of fixedly connected with respectively on the upper surface of semi-fixed ring (32), two the half a section of thick bamboo (35) of screw thread has same threaded sleeve (36) on the surface, fixedly connected with bull stick (37) on the upper surface of threaded sleeve (36).

4. The lance anti-drop apparatus as claimed in claim 3, wherein: the upper surfaces of the two anti-falling half rings (34) are in contact with the spray head (24), and the centers of the two anti-falling half rings (34) are provided with through holes corresponding to the spray head (24).

5. The lance anti-drop apparatus as claimed in claim 3, wherein: the threaded sleeve (36) is intended to mate with two threaded half-cylinders (35).

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