CN214881619U

CN214881619U - Device for preventing gas leakage at oxygen lance port

Info

Publication number: CN214881619U
Application number: CN202022947812.0U
Authority: CN
Inventors: 李亚平; 衡红; 高华斌; 郑淑娟; 冉顶立
Original assignee: Sichuan Desheng Group Vanadium Titanium Co Ltd
Current assignee: Sichuan Desheng Group Vanadium Titanium Co Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-11-26
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a prevent oxygen rifle mouth gas leakage device relates to ironmaking technical field. The utility model discloses an integrated device, first fastener and second fastener all set up the surface at integrated device, first fastener and second fastener all with integrated device fixed connection, integrated device includes the atmoseal case, ventilate inclined hole, closing plate, flange and gas-supply pipe, ventilate the inclined hole setting at the inside wall of atmoseal case, the closing plate setting is at the tip of atmoseal case, closing plate and atmoseal case fixed connection. The utility model discloses a set up the integrated device and can enter into oxygen lance water jacket gun mouth to form high-speed vortex air current to the inclined hole of ventilating to block whole oxygen lance water jacket gun mouth, prevent that the yellow smoke from discharging in a large number in the atmosphere, prevent the environmental protection accident, this device installation simple cost is lower simultaneously.

Description

Device for preventing gas leakage at oxygen lance port

Technical Field

The utility model belongs to the technical field of the iron-making, especially, relate to a prevent oxygen lance mouth gas leakage device.

Background

A process for the continuous production of liquid pig iron in a shaft reactor blast furnace using coke, iron-containing ore and fluxes. It is an important link in modern steel production. The modern blast furnace iron making is improved and developed by an ancient shaft furnace iron making method. Because the method has the advantages of relatively simple process, high yield, high labor productivity and low energy consumption, the blast furnace ironmaking is still the main method of modern ironmaking, the yield accounts for more than 95 percent of the total pig iron yield in the world, oxygen lances are frequently needed during ironmaking, however, the existing oxygen lances have certain defects during use, and when a converter is smelted, yellow smoke can be discharged into the atmosphere through the oxygen lances, so that environmental protection accidents are easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent oxygen rifle mouth gas leakage device to current problem has been solved: when smelting the converter, the yellow smoke can be discharged into the atmosphere through the oxygen lance, and environmental protection accidents are easy to happen

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a prevent oxygen rifle mouth gas leakage device, including integrated device, first fastener and second fastener all set up the surface at integrated device, first fastener and second fastener all with integrated device fixed connection.

Further, the integral device comprises an air seal box, an inclined ventilation hole, a sealing plate, a flange and an air pipe, wherein the inclined ventilation hole is formed in the inner side wall of the air seal box, the sealing plate is arranged at the end of the air seal box and fixedly connected with the air seal box, the flange is arranged at the top of the sealing plate and fixedly connected with the sealing plate, the flange is arranged at the top of the sealing plate, the air pipe is arranged at the top of the flange and fixedly connected with the flange, and the air pipe is communicated with the flange.

Further, the second fastening device comprises a fastening box, a side groove, a second bolt, a sliding plate, a supporting plate, a connecting rope and a rotating seat, the connecting rope is arranged on the outer surface of the gas conveying pipe and fixedly connected with the gas conveying pipe, the fastening box is arranged at one end of the connecting rope, and the fastening box is fixedly connected with the connecting rope.

Furthermore, the side groove is formed in the inner side wall of the fastening box, the sliding plate is arranged in the side groove and is in sliding connection with the side groove, and a supporting plate is arranged at the bottom of the sliding plate and is fixedly connected with the sliding plate.

Furthermore, the connecting rope extends into the fastening box, the abutting plate abuts against the connecting rope, the rotating seat is arranged at the top of the sliding plate, and the rotating seat is fixedly connected with the sliding plate.

Further, the second bolt is arranged in the fastening box, the second bolt is in threaded connection with the fastening box, and the second bolt extends into the rotating seat and is in rotating connection with the rotating seat.

Further, the first fastening device comprises a groove and a first bolt, the groove is arranged in the air seal box, the first bolt penetrates through the sealing plate and the flange and extends into the groove, and the first bolt is in threaded connection with the sealing plate and the flange respectively.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the integrated device and can enter into oxygen lance water jacket gun mouth to form high-speed vortex air current to the inclined hole of ventilating to block whole oxygen lance water jacket gun mouth, prevent that the yellow smoke from discharging in a large number in the atmosphere, prevent the environmental protection accident, this device installation simple cost is lower simultaneously.

2. The utility model discloses a set up first fastener and second fastener and can be in the same place the gas-supply pipe is fixed with the flange tightly, avoid when blockading oxygen rifle water jacket muzzle, the gas-supply pipe breaks away from and leads to the yellow smoke to discharge in a large number in the air from the flange, prevents to take place the incident.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of a connection structure of the second fastening device of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an integral device; 101. air sealing the box; 102. an inclined vent hole; 103. a sealing plate; 104. a flange; 105. a gas delivery pipe; 2. a first fastening device; 201. a groove; 202. a first bolt; 3. a second fastening device; 301. a fastening box; 302. a side groove; 303. a second bolt; 304. a slide plate; 305. a resisting plate; 306. connecting ropes; 307. and (6) rotating the seat.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention relates to a device for preventing gas leakage from an oxygen lance opening, which comprises an integral device 1, a first fastening device 2 and a second fastening device 3, wherein the first fastening device 2 and the second fastening device 3 are both disposed on the outer surface of the integral device 1, and the first fastening device 2 and the second fastening device 3 are both fixedly connected to the integral device 1.

The integrated device 1 comprises an air seal box 101, an inclined ventilation hole 102, a sealing plate 103, a flange 104 and an air delivery pipe 105, the inclined ventilation hole 102 is arranged on the inner side wall of the air seal box 101, the sealing plate 103 is arranged at the end part of the air seal box 101, the sealing plate 103 is fixedly connected with the air seal box 101, the flange 104 is arranged at the top of the sealing plate 103, the flange 104 is fixedly connected with the sealing plate 103, the air delivery pipe 105 is arranged at the top of the flange 104, the air delivery pipe 105 is fixedly connected with the flange 104, and the air delivery pipe 105 is communicated with the flange 104.

The second fastening device 3 comprises a fastening box 301, a side groove 302, a second bolt 303, a sliding plate 304, a supporting plate 305, a connecting rope 306 and a rotating seat 307, the connecting rope 306 is arranged on the outer surface of the gas pipe 105, the connecting rope 306 is fixedly connected with the gas pipe 105, the fastening box 301 is arranged at one end of the connecting rope 306, the fastening box 301 is fixedly connected with the connecting rope 306, the second fastening device 3 can tightly fix the gas pipe 105 and the flange 104 together, and the gas pipe 105 is prevented from falling off from the flange 104.

The side groove 302 is arranged on the inner side wall of the fastening box 301, the sliding plate 304 is arranged in the side groove 302 and is in sliding connection with the side groove 302, the bottom of the sliding plate 304 is provided with a resisting plate 305, the resisting plate 305 is fixedly connected with the sliding plate 304, the connecting rope 306 extends into the fastening box 301, the resisting plate 305 is propped against the connecting rope 306, the rotating seat 307 is arranged on the top of the sliding plate 304, and the rotating seat 307 is fixedly connected with the sliding plate 304.

The second bolt 303 is arranged in the fastening box 301, the second bolt 303 is in threaded connection with the fastening box 301, the second bolt 303 extends into the rotating seat 307 and is in rotating connection with the rotating seat 307, the first fastening device 2 comprises a groove 201 and a first bolt 202, the groove 201 is arranged in the air sealing box 101, the first bolt 202 penetrates through the sealing plate 103 and the flange 104 and extends into the groove 201, the first bolt 202 is in threaded connection with the sealing plate 103 and the flange 104 respectively, and the first fastening device 2 can fix the sealing plate 103 and the flange 104 together with the air sealing box 101.

One specific application of this embodiment is: the sealing plate 103 and the flange 104 are placed at the end part of the gas seal box 101, then the first bolt 202 is rotated to enable the first bolt 202 to be screwed into the groove 201, the sealing plate 103 and the flange 104 are both fixed with the gas seal box 101, then the connecting rope 306 is placed in the fastening box 301, the second bolt 303 is rotated to enable the sliding plate 304 to move downwards in the side groove 302, the abutting plate 305 and the connecting rope 306 are abutted, and further the gas pipe 105 and the flange 104 are fixed together, when the smelting converter works, nitrogen gas flow for gas seal enters the gas seal box 101 from the gas pipe 105 and enters the oxygen lance water jacket muzzle through the inclined vent hole 102 to form high-speed vortex-shaped gas flow, so that the whole oxygen lance water jacket muzzle is sealed, yellow smoke is prevented from being discharged into the atmosphere in a large amount, and environmental protection accidents are prevented.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a prevent oxygen rifle mouth gas leakage device, includes integrated device (1), first fastener (2) and second fastener (3), its characterized in that: the first fastening device (2) and the second fastening device (3) are arranged on the outer surface of the integral device (1), and the first fastening device (2) and the second fastening device (3) are fixedly connected with the integral device (1); the integral device (1) comprises an air sealing box (101), an inclined ventilation hole (102), a sealing plate (103), a flange (104) and an air pipe (105), wherein the inclined ventilation hole (102) is formed in the inner side wall of the air sealing box (101), the sealing plate (103) is arranged at the end of the air sealing box (101), the sealing plate (103) is fixedly connected with the air sealing box (101), the flange (104) is arranged at the top of the sealing plate (103), the flange (104) is fixedly connected with the sealing plate (103), the air pipe (105) is arranged at the top of the flange (104), the air pipe (105) is fixedly connected with the flange (104), and the air pipe (105) is communicated with the flange (104).

2. The apparatus as claimed in claim 1, wherein the gas leakage prevention means comprises: the second fastening device (3) comprises a fastening box (301), a side groove (302), a second bolt (303), a sliding plate (304), a supporting plate (305), a connecting rope (306) and a rotating seat (307), wherein the connecting rope (306) is arranged on the outer surface of the air conveying pipe (105), the connecting rope (306) is fixedly connected with the air conveying pipe (105), the fastening box (301) is arranged at one end of the connecting rope (306), and the fastening box (301) is fixedly connected with the connecting rope (306).

3. The apparatus as claimed in claim 2, wherein the gas leakage prevention means comprises: the side groove (302) is arranged on the inner side wall of the fastening box (301), the sliding plate (304) is arranged in the side groove (302) and is in sliding connection with the side groove (302), the bottom of the sliding plate (304) is provided with a supporting plate (305), and the supporting plate (305) is fixedly connected with the sliding plate (304).

4. The apparatus as claimed in claim 3, wherein the gas leakage prevention means comprises: the connecting rope (306) extends into the fastening box (301), the abutting plate (305) abuts against the connecting rope (306), the rotating seat (307) is arranged at the top of the sliding plate (304), and the rotating seat (307) is fixedly connected with the sliding plate (304).

5. The apparatus as claimed in claim 4, wherein the gas leakage prevention means comprises: the second bolt (303) is arranged in the fastening box (301), the second bolt (303) is in threaded connection with the fastening box (301), and the second bolt (303) extends into the rotating seat (307) and is in rotating connection with the rotating seat (307).

6. The apparatus as claimed in claim 1, wherein the gas leakage prevention means comprises: the first fastening device (2) comprises a groove (201) and a first bolt (202), the groove (201) is arranged in the air sealing box (101), the first bolt (202) penetrates through the sealing plate (103) and the flange (104) and extends into the groove (201), and the first bolt (202) is in threaded connection with the sealing plate (103) and the flange (104) respectively.