Control operation of nitrogen-free cooling oxygen lance

Abstract

The utility model relates to the technical field of nitrogen-free cooling oxygen lances, and discloses a control operation of a nitrogen-free cooling oxygen lance, which comprises a lance body, and a lance head is fixedly mounted at the top of the lance body. The device has the following advantages and effects that a fixing bolt is conveyed out of the limiting plate and the protective shell by a worker, the protective shell is taken down, and the switch valve is rotated to control input switches of the nitrogen conveying pipe and the oxygen conveying pipe, so that the worker can easily control input of nitrogen and oxygen; the nitrogen conveying pipe conveys gas into the gun body through the nitrogen conveying pipe and the first conversion device so that workers can work better, the switching device composed of the nitrogen conveying pipe, the oxygen conveying pipe and the switch valve is arranged, related pressure and related flow are set, and the safety of the workers is improved through the related switching switch valve and the safety setting device. Oxygen is switched into the nitrogen channel, and the nitrogen switch valve is closed, so that a nitrogen-free cooling operation mode is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen-free cooling oxygen guns, in particular to a control operation of a nitrogen-free cooling oxygen gun. Background Art

[0002] The production of bottom-blowing smelting furnace is self-heating smelting, which adopts the chemical reaction of lead sulfide concentrate and oxygen to release a large amount of heat, thereby meeting the production heat demand of the bottom-blowing furnace and achieving thermal balance. At present, for non-ferrous smelting enterprises, how to increase the instantaneous amount of input and reduce costs has become a production technology direction of the enterprise.

[0003] Due to the different design and size of pipelines in each production workshop and the inherent operating mode of the oxygen lance used in oxygen-enriched blowing, the total amount of oxygen is limited, and it is impossible to increase the instantaneous material discharge rate under the existing mode. Therefore, it is an urgent issue to provide a method to break through the total amount of oxygen in the existing pipeline while using technological breakthroughs, low operating costs, safety and reliability, and not affecting the normal production of the bottom blowing furnace. Utility Model Content

[0004] The utility model aims to provide a control operation of an oxygen gun without nitrogen cooling, which has the effect of realizing an operation mode without nitrogen cooling.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions: a control operation of a nitrogen-free cooling oxygen gun, comprising a gun body main body, a gun head fixedly installed on the top of the gun body main body, a gun rod fixedly installed on the bottom of the gun body main body, a first fixing device fixedly installed on the surface of the gun body main body, a first conversion device fixedly installed on the surface of the gun body main body, a nitrogen delivery pipe fixedly installed on the bottom of the first conversion device, a nitrogen delivery pipe movably installed inside the nitrogen delivery pipe, a mounting frame fixedly installed on the surface of the nitrogen delivery pipe, a limiting plate fixedly installed on the bottom of the mounting frame, a protective shell movably installed on the surface of the mounting frame, a fixing bolt movably installed inside the protective shell, a switch valve fixedly connected to one side of the mounting frame, a second fixing device fixedly installed on the surface of the gun body main body, a second conversion device fixedly installed on the surface of the gun body main body, and an oxygen delivery pipe fixedly installed on the bottom of the second conversion device.

[0006] By adopting the above technical solution, the gun body, the gun rod and the gun head are welded into a whole, wherein the gun head is 200-220 mm long, and the cross section is divided into a nitrogen (oxygen) channel and an oxygen channel. The nitrogen channel has 18 grooves, a groove width of 5.2 mm, and a depth of 2.8 mm. The cross-sectional area of ​​the nitrogen channel is 262 square millimeters, and the oxygen channel is 8+8 grooves, eight sides are fan-shaped, the upper width of the groove is 9.2 mm, the lower width is 3.5 mm, and the depth is 7.5 mm. The cross-sectional area of ​​the oxygen channel is 439 square millimeters. The eight fan-shaped oxygen channels are evenly distributed around the central circular oxygen channel surface, with fences set in between. The material is high temperature resistant and oxidation-resistant stainless steel 310S.

[0007] The utility model is further configured as follows: a limiting threaded hole is provided inside the limiting plate, and a transmission hole is provided on the surface of the protective shell.

[0008] By adopting the above technical solution, the protective shell can be easily installed on the limiting plate through the limiting threaded holes opened in the limiting plate.

[0009] The utility model is further configured as follows: an oxygen delivery pipe is movably installed inside the oxygen delivery pipe, and a fixing plate is fixedly installed inside the nitrogen delivery pipe.

[0010] By adopting the above technical solution, the devices on the surface and inside of the oxygen delivery pipe are the same as those on the surface and inside of the nitrogen delivery pipe, so that the staff can work easily.

[0011] The utility model is further configured as follows: a pushing device is fixedly connected to the bottom of the fixing plate, and a connecting block is fixedly connected to the bottom of the pushing device.

[0012] By adopting the above technical solution, the pushing device can be stably fixed by the fixing plate, so that the pushing device can work stably.

[0013] The utility model is further configured as follows: a clamping plate is fixedly connected to the bottom of the connecting block, and the number of the clamping plates is eight.

[0014] By adopting the above technical solution, the clamping plate can be better fixed by the connecting plate, so that the clamping plate can work stably.

[0015] The utility model is further configured as follows: a flexible sealing plate is fixedly installed inside the nitrogen delivery pipe.

[0016] By adopting the above technical solution, a groove is opened inside the nitrogen delivery pipe, a clamping plate and a pushing device are installed inside the groove, the flexible sealing plate is connected and fixed to the nitrogen delivery pipe, and one side of the clamping plate is connected to the flexible sealing plate, so that the nitrogen delivery pipe can be better fixed.

[0017] The beneficial effects of the utility model are:

[0018] 1. The utility model, through the arrangement among the gun body, the gun head, the gun rod, the first fixing device, the first conversion device, the nitrogen delivery pipe, the nitrogen delivery pipe, the mounting frame, the limit plate, the protective shell, the fixing bolt, the switch valve, the second fixing device, the second conversion device and the oxygen delivery pipe, the staff transmits the fixing bolt out of the limit plate and the protective shell, removes the protective shell, and rotates the switch valve to control the input switch of the nitrogen delivery pipe and the oxygen delivery pipe, so that the staff can easily control the input of nitrogen and oxygen. The nitrogen delivery pipe transmits the gas into the gun body through the nitrogen delivery pipe and the first conversion device so that the staff can work better. By arranging a switching device composed of the nitrogen delivery pipe, the oxygen delivery pipe and the switch valve, the relevant pressure and the relevant flow are set, and the oxygen is switched into the nitrogen channel through the relevant switching switch valve and the safety setting device, and the nitrogen switch valve is closed to realize the operation mode without nitrogen cooling, reduce the nitrogen entering the production system, reduce the generation of nitrogen oxides in the subsequent section, and reduce the production cost of the bottom blowing furnace.

[0019] 2. The utility model, through the arrangement among the limiting threaded hole, the transmission hole, the oxygen transmission pipe, the fixing plate, the pushing device, the connecting block, the pressing plate and the flexible sealing plate, when the staff needs to install the protective shell on the mounting frame, the staff aligns the transmission hole on the surface of the protective shell with the limiting threaded hole, and transmits the fixing bolt into the limiting threaded hole to fix it, so that the protective switch valve can be better performed when the staff is not working, and the staff transmits the nitrogen transmission pipe into the nitrogen transmission pipe, pushes the pressing plate through the pushing device, transmits the flexible sealing plate to the nitrogen transmission pipe, and fixes the nitrogen transmission pipe in the nitrogen transmission pipe, which can better prevent gas leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0023] Figure 3 This is a schematic diagram of the structure of one side of the mounting frame of the utility model;

[0024] Figure 4This is a schematic diagram of the structure of the push device in the nitrogen delivery pipe of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the compression plate in the nitrogen delivery pipe of the utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the flexible sealing plate in the nitrogen delivery pipe of the utility model.

[0027] In the figure, 1, gun body; 2, gun head; 3, gun barrel; 4, first fixing device; 5, first conversion device; 6, nitrogen delivery pipe; 7, nitrogen delivery pipe; 8, mounting frame; 9, limit plate; 10, protective shell; 11, fixing bolt; 12, switch valve; 13, second fixing device; 14, second conversion device; 15, oxygen delivery pipe; 16, limit threaded hole; 17, delivery hole; 18, oxygen delivery pipe; 19, fixing plate; 20, pushing device; 21, connecting block; 22, clamping plate; 23, flexible sealing plate. DETAILED DESCRIPTION

[0028] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-6 A control operation of a nitrogen-free cooling oxygen gun, comprising a gun body 1, a gun head 2 is fixedly installed on the top of the gun body 1, a gun rod 3 is fixedly installed on the bottom of the gun body 1, a first fixing device 4 is fixedly installed on the surface of the gun body 1, a first conversion device 5 is fixedly installed on the surface of the gun body 1, a nitrogen delivery pipe 6 is fixedly installed on the bottom of the first conversion device 5, a nitrogen delivery pipe 7 is movably installed inside the nitrogen delivery pipe 6, a mounting frame 8 is fixedly installed on the surface of the nitrogen delivery pipe 6, a limit plate 9 is fixedly installed on the bottom of the mounting frame 8, a protective shell 10 is movably installed on the surface of the mounting frame 8, and the inner part of the protective shell 10 A fixing bolt 11 is movably installed on the top, a switch valve 12 is fixedly connected to one side of the mounting frame 8, a second fixing device 13 is fixedly installed on the surface of the gun body 1, a second conversion device 14 is fixedly installed on the surface of the gun body 1, and an oxygen delivery pipe 15 is fixedly installed on the bottom of the second conversion device 14. The gun body 1, the gun rod 3 and the gun head 2 are welded into a whole, wherein the gun head 2 is 200-220 mm long, and the cross section is divided into a nitrogen (oxygen) channel and an oxygen channel. The nitrogen channel has 18 grooves, a groove width of 5.2 mm, and a depth of 2.8 mm. The cross-sectional area of ​​the nitrogen channel is 262 square millimeters, and the oxygen channel is 8+8 grooves, eight sides are fan-shaped, the upper width of the groove is 9.2 mm, the lower width is 3.5 mm, and the depth is 7.5 mm. The cross-sectional area of ​​the oxygen channel is 439 square millimeters. The eight fan-shaped oxygen channels are evenly distributed around the central circular oxygen channel surface, and a fence is set in between. The material is high-temperature resistant and oxidation-resistant stainless steel 310S. A limiting threaded hole 16 is opened inside the limiting plate 9, and a transmission hole 17 is opened on the surface of the protective shell 10. Through the limiting threaded hole 16 opened in the limiting plate 9, the protective shell 10 can be easily installed on the limiting plate 9. The oxygen delivery pipe 15 is movably installed with an oxygen delivery pipe 18, and the nitrogen delivery pipe 6 is fixedly installed with a fixed plate 19. The surface and internal devices of the oxygen delivery pipe 15 are the same as the surface and internal devices of the nitrogen delivery pipe 6, so that the staff can easily To work, a pushing device 20 is fixedly connected to the bottom of the fixed plate 19, and a connecting block 21 is fixedly connected to the bottom of the pushing device 20. The pushing device 20 can be firmly fixed by the fixed plate 19, so that the pushing device 20 can work stably. A clamping plate 22 is fixedly connected to the bottom of the connecting block 21. The number of the clamping plates 22 is eight, and the clamping plates 22 can be better fixed by the connecting plate 21, so that the clamping plates 22 can work stably. A flexible sealing plate 23 is fixedly installed inside the nitrogen delivery pipe 6. A groove is provided inside the nitrogen delivery pipe 6, and the clamping plate 22 and the pushing device 20 are installed inside it. The flexible sealing plate 23 is connected and fixed to the nitrogen delivery pipe 6, and one side of the clamping plate 22 is connected to the flexible sealing plate 23, so that the nitrogen delivery pipe 7 can be better fixed.

[0030] In the utility model, the staff transmits the fixing bolt 11 out of the limit plate 9 and the protective shell 10, removes the protective shell 10, and rotates the switch valve 12 to control the input switch of the nitrogen delivery pipe 7 and the oxygen delivery pipe 15, so that the staff can easily control the input of nitrogen and oxygen. The nitrogen delivery pipe 7 transmits the gas into the gun body 1 through the nitrogen delivery pipe 6 and the first conversion device 5 to allow the staff to work better. By setting a switching device composed of the nitrogen delivery pipe 6, the oxygen delivery pipe 18 and the switch valve 12, setting the relevant pressure and the relevant flow, through the relevant switching switch valve 12 and the safety setting device, the oxygen is switched into the nitrogen channel, and the nitrogen switch valve 12 is closed to achieve nitrogen-free cooling. The operation mode reduces the nitrogen entering the production system, reduces the generation of nitrogen oxides in subsequent work sections, and reduces the production cost of the bottom blowing furnace. When the staff needs to install the protective shell 10 on the mounting frame 8, the staff aligns the transmission hole 17 on the surface of the protective shell 10 with the limiting threaded hole 16, and transmits the fixing bolt 11 into the limiting threaded hole 16 to fix it, so that the protective switch valve 12 can be better performed when the staff is not working. The staff transmits the nitrogen delivery pipe 7 into the nitrogen delivery pipe 6, and pushes the pressing plate 22 through the pushing device 20, and transmits the flexible sealing plate 23 to the nitrogen delivery pipe 7 to fix the nitrogen delivery pipe 7 in the nitrogen delivery pipe 6, which can better prevent gas leakage.

[0031] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A control operation of an oxygen lance without nitrogen cooling, comprising a lance body (1), characterized in that: A gun head (2) is fixedly mounted on the top of the gun body (1), a gun rod (3) is fixedly mounted on the bottom of the gun body (1), a first fixing device (4) is fixedly mounted on the surface of the gun body (1), a first conversion device (5) is fixedly mounted on the surface of the gun body (1), a nitrogen delivery pipe (6) is fixedly mounted on the bottom of the first conversion device (5), a nitrogen delivery pipe (7) is movably mounted inside the nitrogen delivery pipe (6), a mounting frame (8) is fixedly mounted on the surface of the nitrogen delivery pipe (6), and A limiting plate (9) is fixedly mounted on the bottom of the mounting frame (8), a protective shell (10) is movably mounted on the surface of the mounting frame (8), a fixing bolt (11) is movably mounted inside the protective shell (10), a switch valve (12) is fixedly connected to one side of the mounting frame (8), a second fixing device (13) is fixedly mounted on the surface of the gun body (1), a second conversion device (14) is fixedly mounted on the surface of the gun body (1), and an oxygen delivery pipe (15) is fixedly mounted on the bottom of the second conversion device (14).

2. The control operation of a nitrogen-free cooling oxygen lance according to claim 1, characterized in that: A limiting threaded hole (16) is provided inside the limiting plate (9), and a transmission hole (17) is provided on the surface of the protective shell (10).

3. The control operation of a nitrogen-free cooling oxygen lance according to claim 1, characterized in that: An oxygen delivery pipe (18) is movably installed inside the oxygen delivery pipe (15), and a fixing plate (19) is fixedly installed inside the nitrogen delivery pipe (6).

4. The control operation of a nitrogen-free cooling oxygen lance according to claim 3, characterized in that: A pushing device (20) is fixedly connected to the bottom of the fixed plate (19), and a connecting block (21) is fixedly connected to the bottom of the pushing device (20).

5. The control operation of a nitrogen-free cooling oxygen lance according to claim 4, characterized in that: A clamping plate (22) is fixedly connected to the bottom of the connection block (21), and the number of the clamping plates (22) is eight.

6. The control operation of a nitrogen-free cooling oxygen lance according to claim 1, characterized in that: A flexible sealing plate (23) is fixedly installed inside the nitrogen delivery pipe (6).

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