CN216404433U - Control device for blast furnace taphole oxygen lance air source - Google Patents
Control device for blast furnace taphole oxygen lance air source Download PDFInfo
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- CN216404433U CN216404433U CN202122774799.8U CN202122774799U CN216404433U CN 216404433 U CN216404433 U CN 216404433U CN 202122774799 U CN202122774799 U CN 202122774799U CN 216404433 U CN216404433 U CN 216404433U
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Abstract
The utility model provides a control device for an oxygen gun gas source of a blast furnace taphole, belongs to the field of metallurgical equipment, and is used for ensuring smooth taphole channels when a blast furnace is opened and promoting normal discharge of iron slag. The device, including compressed air pipe, oxygen rifle, be equipped with compressed air intake pipe and oxygen intake pipe on the oxygen rifle, last compressed air main valve, the manometer of installing of compressed air pipe, compressed air pipe's output is connected with the entry end of compressed air conveyer pipe, and compressed air conveyer pipe's output is connected with the compressed air intake pipe, install oxygen main valve, manometer on the oxygen pipe, the output of oxygen pipe is connected with the entry end of oxygen conveyer pipe, and the output of oxygen conveyer pipe is connected with the oxygen intake pipe. Through the device, multiple modes of independent oxygen supply, independent air supply or mixed air supply can be realized, the requirements for oxygen and compressed air at different temperatures are realized, the oxygen supply at the iron notch during the blow-in of the blast furnace is met, and the normal discharge of the iron slag is promoted.
Description
Technical Field
The utility model belongs to the field of metallurgical equipment, and particularly relates to a control device for an oxygen lance gas source of a blast furnace taphole.
Background
When the blast furnace is blown and opened, the smooth passage of the blast furnace taphole is necessary to ensure the discharge of molten iron slag, the oxygen blowing lance at the taphole needs proper oxygen and compressed air for blowing oxygen, and the adjustment of the oxygen and the compressed air needs an adjusting device for adjusting the flow and the pressure, thereby ensuring the normal oxygen blowing. Through this device realization alone send oxygen, air supply alone, mix the air supply, realize the demand to oxygen, compressed air under the different temperatures, the indisputable mouthful of oxygen that send when satisfying blast furnace blow-in improves indisputable mouthful regional temperature, makes the normal emission of iron slag.
SUMMERY OF THE UTILITY MODEL
The utility model provides a control device for an oxygen gun gas source of a blast furnace taphole, which is used for meeting the requirements of oxygen and compressed air at different temperatures, and meeting the requirements of smooth taphole channels when a blast furnace is opened, so that the normal discharge of iron slag is promoted.
The technical scheme of the utility model is as follows:
the utility model provides a controlling means of blast furnace taphole oxygen rifle air supply, includes compressed air pipe, oxygen hose, oxygen rifle, is equipped with compressed air intake pipe and oxygen intake pipe on the oxygen rifle, install compressed air main valve, manometer on the compressed air pipe, the output of compressed air pipe is connected with the entry end of compressed air conveyer pipe, and the output of compressed air conveyer pipe is connected with the compressed air intake pipe, install oxygen main valve, manometer on the oxygen hose, the output of oxygen hose is connected with the entry end of oxygen conveyer pipe, and the output of oxygen conveyer pipe is connected with the oxygen intake pipe.
Further, the compressed air pipe is also provided with a compressed air regulating valve, and the oxygen pipe is also provided with an oxygen regulating valve.
Furthermore, a first air mixing pipe is connected between the compressed air pipe and the oxygen pipe, one end of the first air mixing pipe is communicated with the inlet end of the compressed air conveying pipe, the other end of the first air mixing pipe is communicated with the inlet end of the oxygen conveying pipe, and a first air mixing pipe valve is installed on the first air mixing pipe.
Furthermore, a second air mixing pipe is connected between the compressed air conveying pipe and the oxygen conveying pipe, one end of the second air mixing pipe is communicated with the inlet end of the compressed air conveying pipe, the other end of the second air mixing pipe is communicated with the inlet end of the oxygen conveying pipe, and a second air mixing pipe valve is installed on the second air mixing pipe.
Furthermore, fault valves are arranged on the compressed air pipe and the oxygen pipe and are arranged beside the pressure gauge.
Furthermore, the oxygen lance is inserted into a blast furnace taphole, and the oxygen lance and the blast furnace taphole are fixed through an oxygen lance fixing flange.
The utility model has the beneficial effects that:
the blast furnace blow-in process inserts the iron notch oxygen lance into the iron notch channel, and this device intercommunication iron notch oxygen lance for send compressed air, oxygen into the oxygen lance, can realize sending oxygen alone, air supply alone, mixed air supply multiple mode through this device, realize under the different temperatures to oxygen, compressed air's demand, the iron notch oxygen supply when satisfying the blast furnace blow-in improves the regional temperature of iron notch, makes the normal emission of iron slag.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
the reference numbers are as follows: 1-a compressed air pipe, 2-an oxygen pipe and 3-a first air mixing pipe; 4-a second air mixing pipe; 5-compressed air delivery pipe; 6-oxygen conveying pipe; 7-compressed air main valve; 8-a main oxygen valve; 9-a first air mixing pipe valve; 10-a second air mixing pipe valve; 11-compressed air regulating valve; 12-an oxygen regulating valve; 13-pressure gauge; 14-oxygen lance fixing flange; 15-a fault valve; 16-compressed air inlet pipe; 17-oxygen inlet pipe; 18-oxygen lance; 19-tapping hole; 20-oxygen lance burner; 21-oxygen lance peephole;
the specific implementation mode is as follows:
the utility model is further described with reference to the following figures and detailed description:
as shown in figure 1, the control device for the air source of the oxygen lance at the tapping hole of the blast furnace comprises a compressed air pipe 1 and an oxygen pipe 2, wherein a compressed air main valve 7, a compressed air regulating valve 11 and a pressure gauge 13 are arranged on the compressed air pipe 1, the output end of the compressed air pipe 1 is connected with the inlet end of a compressed air conveying pipe 5, and the output end of the compressed air conveying pipe 5 is connected with a compressed air inlet pipe 16 of an oxygen lance 18; an oxygen main valve 8, an oxygen regulating valve 12 and a pressure gauge 13 are arranged on the oxygen pipe 2, the output end of the oxygen pipe 2 is connected with the inlet end of an oxygen conveying pipe 6, and the output end of the oxygen conveying pipe 6 is connected with an oxygen inlet pipe 17 of an oxygen lance 18.
Be connected with first mixed tuber pipe 3 between compressed air pipe 1 and the oxygen pipe 2, the one end of first mixed tuber pipe 3 and the entry end intercommunication of compressed air conveyer pipe 5, the other end of first mixed tuber pipe 3 and the entry end intercommunication of oxygen conveyer pipe 6 the output of compressed air conveyer pipe 5 and the compressed air intake pipe 16 intercommunication of oxygen rifle 18, the output of oxygen conveyer pipe 6 and the oxygen intake pipe 17 intercommunication of oxygen rifle 18 install first mixed tuber pipe valve 9 on the first mixed tuber pipe 3, and under the normal condition, first mixed tuber pipe valve 9 is in the closed condition.
The air mixing device is characterized in that a second air mixing pipe 4 is connected between the compressed air conveying pipe 5 and the oxygen conveying pipe 6, one end of the second air mixing pipe 4 is communicated with the inlet end of the compressed air conveying pipe 5, the other end of the second air mixing pipe 4 is communicated with the inlet end of the oxygen conveying pipe 6, the output end of the compressed air conveying pipe 5 is communicated with a compressed air inlet pipe 16 of the oxygen lance 18, the output end of the oxygen conveying pipe 6 is communicated with an oxygen inlet pipe 17 of the oxygen lance 18, a second air mixing pipe valve 10 is installed on the second air mixing pipe 4, and under the normal condition, the second air mixing pipe valve 10 is in a closed state.
And fault valves 15 are arranged on the compressed air pipe 1 and the oxygen pipe 2.
The oxygen lance 18 comprises an oxygen lance combustor 20 and an oxygen lance sight hole 21, the oxygen lance 18 is inserted into a blast furnace taphole 19, and the oxygen lance 18 and the blast furnace taphole 19 are fixed through an oxygen lance fixing flange 14.
The working process is as follows: compressed air enters a compressed air inlet pipe 16 of the oxygen lance 18 through a compressed air pipe 1 and a compressed air delivery pipe 5, so that oxygen enters the oxygen lance 18 independently; oxygen enters an oxygen inlet pipe 17 of an oxygen lance 18 through an oxygen pipe 2 and an oxygen delivery pipe 6, so that the oxygen independently enters the oxygen lance 18, mixed combustion is carried out at the position of an oxygen lance combustor 20, and flame can be observed through an oxygen lance peephole 21.
When any one section of pipeline in the compressed air pipe 1, the oxygen pipe 2, the compressed air conveying pipe 5 and the oxygen conveying pipe 6, and the like is blocked, the first air mixing pipe valve 9 or the second air mixing pipe valve 10 is determined to be opened according to the blocked pipeline position, so that the compressed air and the oxygen are fully mixed before entering the oxygen lance 18, the mixed gas enters the oxygen lance combustor 20 again for combustion, and the flame can be observed through the oxygen lance peephole 21.
Claims (6)
1. The utility model provides a controlling means of blast furnace taphole oxygen rifle air supply, includes compressed air pipe (1), oxygen hose (2), oxygen rifle (18), is equipped with compressed air intake pipe (16) and oxygen intake pipe (17) on oxygen rifle (18), its characterized in that: install compressed air main valve (7), manometer (13) on compressed air pipe (1), the output of compressed air pipe (1) is connected with the entry end of compressed air conveyer pipe (5), and the output of compressed air conveyer pipe (5) is connected with compressed air intake pipe (16), install oxygen main valve (8), manometer (13) on oxygen hose (2), the output of oxygen hose (2) is connected with the entry end of oxygen conveyer pipe (6), and the output of oxygen conveyer pipe (6) is connected with oxygen intake pipe (17).
2. The control device for the air source of the oxygen lance of the blast furnace taphole according to claim 1, characterized in that: the compressed air pipe (1) is also provided with a compressed air regulating valve (11), and the oxygen pipe (2) is also provided with an oxygen regulating valve (12).
3. The control device for the air source of the oxygen lance of the blast furnace taphole according to claim 1, characterized in that: be connected with first mixed tuber pipe (3) between compressed air pipe (1) and oxygen hose (2), the one end of first mixed tuber pipe (3) and the entry end intercommunication of compressed air conveyer pipe (5), the other end of first mixed tuber pipe (3) and the entry end intercommunication of oxygen conveyer pipe (6), install first mixed tuber pipe valve (9) on first mixed tuber pipe (3).
4. The control device for the air source of the oxygen lance of the blast furnace taphole according to claim 1, characterized in that: be connected with second air mixing pipe (4) between compressed air conveyer pipe (5) and oxygen conveyer pipe (6), the one end of second air mixing pipe (4) and the entry end intercommunication of compressed air conveyer pipe (5), the other end of second air mixing pipe (4) and the entry end intercommunication of oxygen conveyer pipe (6), install second air mixing pipe valve (10) on the second air mixing pipe (4).
5. The control device for the gas source of the oxygen lance of the blast furnace taphole according to any of the claims 1 to 4, characterized in that: the compressed air pipe (1) and the oxygen pipe (2) are both provided with a fault valve (15), and the fault valve (15) is arranged beside the pressure gauge (13).
6. The control device for the air source of the oxygen lance of the blast furnace taphole according to claim 5, characterized in that: the oxygen lance (18) is inserted into a blast furnace taphole (19), and the oxygen lance (18) and the blast furnace taphole (19) are fixed through an oxygen lance fixing flange (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122774799.8U CN216404433U (en) | 2021-11-13 | 2021-11-13 | Control device for blast furnace taphole oxygen lance air source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122774799.8U CN216404433U (en) | 2021-11-13 | 2021-11-13 | Control device for blast furnace taphole oxygen lance air source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216404433U true CN216404433U (en) | 2022-04-29 |
Family
ID=81301608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122774799.8U Active CN216404433U (en) | 2021-11-13 | 2021-11-13 | Control device for blast furnace taphole oxygen lance air source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216404433U (en) |
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2021
- 2021-11-13 CN CN202122774799.8U patent/CN216404433U/en active Active
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