CN218710610U - Oxygen lance with adjustable oxygen content - Google Patents
Oxygen lance with adjustable oxygen content Download PDFInfo
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- CN218710610U CN218710610U CN202222340073.8U CN202222340073U CN218710610U CN 218710610 U CN218710610 U CN 218710610U CN 202222340073 U CN202222340073 U CN 202222340073U CN 218710610 U CN218710610 U CN 218710610U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model provides an oxygen lance with adjustable oxygen content. The oxygen content adjustable blow-in oxygen lance comprises: the oxygen gun, the oxygen tank and the first delivery pipe; fixed pipe, fixed pipe fixed connection is in the bottom of first conveyer pipe, the bottom of fixed pipe is provided with fixed the knot, the inside of fixed knot is provided with the second gasket, there is the installation head bottom of fixed knot through threaded connection. The utility model provides an oxygen content adjustable blow-in oxygen rifle is before need is for blast furnace blow-in, it is normal whether to open gas mixing valve and oxygen valve through observing the manometer and observe gas mixing tank and the inside pressure of oxygen tank, if the manometer shows normally to open the inside that first switch mist carried first conveyer pipe through the gas mixing pipe, use the lighter to ignite for the installation head through installation head discharge, open the second switch after successfully igniting and make oxygen pass through the oxygen pipe and carry the installation head with the second conveyer pipe and make its and the mist contact increase flame temperature.
Description
Technical Field
The utility model relates to an iron-making technology field especially relates to an oxygen lance of blowing in of oxygen content adjustable.
Background
The blast furnace uses steel plate as furnace shell, and refractory brick lining is built in the shell. The blast furnace body is divided into five parts from top to bottom, namely a furnace throat, a furnace body, a furnace waist, a furnace belly and a furnace hearth. Because the blast furnace iron-making technology has the advantages of good economic index, simple process, large production capacity, high labor production efficiency, low energy consumption and the like, the iron produced by the method accounts for the vast majority of the total production of iron in the world.
The blast furnace is required to be heated and opened before being used, and then the blast furnace can be normally used, most of the current heating modes for the inside of the blast furnace are that after ironmaking raw materials or coke are placed in the blast furnace, oxygen is injected into the blast furnace to be combusted in the blast furnace to reach a certain temperature so as to open the blast furnace.
In order to accelerate the blowing-in process, oxygen is sometimes used to replace air for blowing-in, and the blowing-in speed can be accelerated, but the content of oxygen added into the blast furnace cannot be controlled, so that the heating state in the hearth cannot be grasped. When the oxygen content is too high, the furnace lining in the blast furnace can be burnt through, accidents are caused, even irreparable loss is caused, and the purpose of accelerating the furnace opening speed cannot be achieved due to the low oxygen content.
Therefore, the temperature of the molten metal is controlled, there is a need to provide an oxygen lance with adjustable oxygen content to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oxygen content adjustable blow-in oxygen lance, which solves the problem that the oxygen conveying capacity can not be controlled in the blow-in process.
In order to solve the technical problem, the utility model provides an oxygen lance for blowing in a furnace with adjustable oxygen content comprises: the oxygen gun, the oxygen tank and the first delivery pipe;
the fixed pipe is fixedly connected to the bottom of the first conveying pipe, a fixed buckle is arranged at the bottom end of the fixed pipe, a second gasket is arranged inside the fixed buckle, the bottom end of the fixed buckle is connected with an installing head through threads, an observation mirror is fixedly connected to the installing head, and lenses are fixedly connected to two sides of the observation mirror;
the oxygen valve is fixedly connected to the top end of the oxygen tank, and the top end of the oxygen valve is fixedly connected with a pressure gauge;
the gas mixing tank, gas mixing tank fixed connection is in the outside of oxygen jar, gas mixing tank's top fixedly connected with mixing gas valve, pressure valve fixedly connected with three way connection is passed through on gas mixing valve's top, and fixed knot can be rotated and is installed the head through threaded connection, and the sight glass is located one side of installing the head principle oxygen rifle, and the manometer has two dials, and a display output pressure of demonstration jar internal pressure, gas mixing tank have the pressure valve monitoring equally.
Preferably, one side of the oxygen lance is fixedly connected with a second conveying pipe, the other side of the oxygen lance is fixedly connected with a second switch, the bottom of the oxygen lance is fixedly connected with a first switch, and the other end of the second conveying pipe is the same as the first conveying pipe.
Preferably, one side of the first switch is fixedly connected with a three-way joint, one side of the three-way joint is fixedly connected with a mixed gas pipe, the bottom of the three-way joint is fixedly connected with a connecting buckle, the three-way joint is of an existing structure, and the connecting modes are the same.
Preferably, the inside of connector link is provided with first gasket, the bottom threaded connection of connector link has the screwed pipe, and the trachea is connected on the air compressor machine.
Preferably, the bottom of screwed pipe is through fixed buckle fixedly connected with trachea, the inside of connector link is rotated and is connected with the second connecting pipe, and the other end fixed connection of second connecting pipe is in the outside of first conveyer pipe.
Preferably, a carbon dioxide tank is arranged outside the mixed gas tank, the top of the carbon dioxide tank is fixedly connected with a carbon dioxide gas valve through a first connecting pipe, the top end of the carbon dioxide gas valve is fixedly connected with a three-way joint, the carbon dioxide tank can extinguish fire through carbon dioxide when an accident happens, and other valves are closed to open the carbon dioxide gas valve to spray carbon dioxide in the blast furnace through an oxygen lance box.
Preferably, the other side of the second switch is fixedly connected with an oxygen tube through a fixing buckle, and the other end of the oxygen tube is fixedly connected to the top end of a pressure gauge at the top end of the oxygen tank.
Compared with the prior art, the utility model provides an oxygen content adjustable blow-in oxygen rifle has following beneficial effect:
the utility model provides an oxygen content adjustable blow-out oxygen rifle, before need is blow out for the blast furnace, it is normal whether to open mixed gas valve and oxygen valve through observing the manometer observation gas pitcher and the inside pressure of oxygen pitcher, if the manometer shows normally to open the inside that first switch mist carried first conveyer pipe through the gas mixture pipe, use the lighter to ignite for the installation head through installation head discharge, open the second switch and make oxygen pass through the oxygen pipe and carry the installation head with the second conveyer pipe and make it increase flame temperature with the contact of mist, fix the observation mirror at the blast furnace grout outlet with the installation head through clay after the operation is accomplished, observe the burning condition in the blast furnace through the observation mirror, if it is unsatisfactory to observe manometer delivery pressure through the adjustment oxygen valve and transfer to correspond numerical value and control how much of oxygen supply amount, can do the record and do the data reference for next blow-out through the output pressure that the manometer shows after oxygen supply data is stable, close oxygen valve and mixed after the success of burning, the first switch on the oxygen lance makes the flame extinguish through rotating fixed knot make the oxygen supply, just can be lower observation oxygen supply mirror to observe the installation head through the inside oxygen supply of oxygen valve and can not to observe the oxygen supply to the oxygen lance loss in real time, thereby can avoid the real-time to cause the oxygen valve to observe the oxygen valve to cause the oxygen control loss of oxygen valve to cause the oxygen control in real-out accident.
Drawings
FIG. 1 is a schematic structural view of an oxygen lance with adjustable oxygen content;
fig. 2 is a schematic view of an oxygen tank provided by the present invention;
fig. 3 is a schematic view of the connecting buckle provided by the present invention;
fig. 4 the present invention provides a schematic view of a viewing scope;
fig. 5 the present invention provides a schematic view of a mounting head.
Reference numbers in the figures: 1. the device comprises an observation mirror, 2, a mounting head, 3, a fixing buckle, 4, a first switch, 5, a connecting buckle, 6, a second switch, 7, an oxygen pipe, 8, an air pipe, 9, a mixed air pipe, 10, a three-way joint, 11, a first delivery pipe, 12, a second delivery pipe, 13, an oxygen lance, 14, an oxygen tank, 15, an oxygen valve, 16, a pressure gauge, 17, a fixing pipe, 18, a mixed air valve, 19, a first connecting pipe, 20, a carbon dioxide tank, 21, a carbon dioxide air valve, 22, a mixed air tank, 23, a fixing buckle, 24, a threaded pipe, 25, a first gasket, 26, a second connecting pipe, 27, a lens, 28, threads, 29 and a second gasket.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural view of the oxygen lance with adjustable oxygen content; fig. 2 is a schematic view of an oxygen tank provided by the present invention; fig. 3 is a schematic view of the present invention providing a connection buckle; fig. 4 the present invention provides a schematic view of a viewing scope; fig. 5 the present invention provides a schematic view of a mounting head. The oxygen lance with adjustable oxygen content comprises: an oxygen lance 13, an oxygen tank 14 and a first conveying pipe 11;
the fixing pipe 17 is fixedly connected to the bottom of the first conveying pipe 11, a fixing buckle 3 is arranged at the bottom end of the fixing pipe 17, a second gasket 29 is arranged inside the fixing buckle 3, the bottom end of the fixing buckle 3 is connected with the mounting head 2 through a thread 28, the mounting head 2 is fixedly connected with the observation mirror 1, and two sides of the observation mirror 1 are fixedly connected with lenses;
the oxygen valve 15 is fixedly connected to the top end of the oxygen tank 14, and a pressure gauge 16 is fixedly connected to the top end of the oxygen valve 15;
a mixed gas tank 22, the mixed gas tank 22 is fixedly connected to the outside of the oxygen tank 14, the top end of the mixed gas tank 22 is fixedly connected with a mixed gas valve 18, the top end of the mixed gas valve 18 is fixedly connected with a three-way joint 10 through a pressure valve 16, the fixing buckle 3 is rotatably connected with the mounting head 2 through threads, the observation mirror 1 is positioned at one side of the mounting head 2 and the oxygen lance 13, the pressure gauge 16 is provided with two dials, one is used for displaying the pressure in the tank and the other is used for displaying the output pressure, and the mixed gas tank 22 is also provided with a pressure valve for monitoring.
One side of the oxygen lance 13 is fixedly connected with a second delivery pipe 12, the other side of the oxygen lance 13 is fixedly connected with a second switch 6, the bottom of the oxygen lance 13 is fixedly connected with a first switch 4, and the other end of the second delivery pipe 12 is the same as the first delivery pipe 11.
The same fixedly connected with three way connection 10 of one side of first switch 4, one side fixedly connected with mixed gas pipe 9 of three way connection 10, the bottom fixedly connected with connector link 5 of three way connection 10, three way connection are current structure, and the connected mode is the same.
The inside of connector link 5 is provided with first gasket 25, threaded pipe 24 is connected to the bottom threaded connection of connector link 5, and trachea 8 is connected on the air compressor machine.
The bottom of screwed pipe 24 is through fixed buckle 23 fixedly connected with trachea 8, the inside of connector link 5 is rotated and is connected with second connecting pipe 26, and the other end fixed connection of second connecting pipe 26 is in the outside of first conveyer pipe 11.
The carbon dioxide tank 20 is arranged outside the mixed gas tank 22, the top of the carbon dioxide tank 20 is also fixedly connected with a carbon dioxide gas valve 21 through a first connecting pipe 19, the top end of the carbon dioxide gas valve 21 is fixedly connected with a three-way joint 10, the carbon dioxide tank 20 can extinguish fire through carbon dioxide when an accident happens, and the carbon dioxide gas valve is opened by closing other valves to spray carbon dioxide in the blast furnace through the oxygen lance box.
The other side of the second switch 6 is fixedly connected with an oxygen tube 7 through a fixing buckle 23, and the other end of the oxygen tube 7 is fixedly connected with the top end of a pressure gauge 16 at the top end of an oxygen tank 14.
The utility model provides a working principle of an oxygen lance with adjustable oxygen content is as follows:
before the blast furnace is started, opening a mixing gas valve 18 and an oxygen valve 15, observing whether the pressure inside a mixing gas tank 22 and an oxygen tank 14 is normal or not by observing a pressure gauge 16, if the pressure gauge 16 shows that the pressure inside the mixing gas tank is normal or not by opening a first switch 4, conveying the mixed gas into the first conveying pipe 11 through a mixing gas pipe 9, discharging the mixed gas through a mounting head 2, igniting the mounting head 2 by using a lighter, opening a second switch 6 after the ignition is successful so that the oxygen is conveyed into the mounting head 2 through an oxygen pipe 7 and a second conveying pipe 12 to be contacted with the mixed gas to increase the flame temperature, fixing an observation mirror 1 and the mounting head 2 at a slurry outlet of the blast furnace through clay after the operation is finished, observing the combustion condition in the blast furnace through the observation mirror 1, if the combustion is not ideal, the oxygen valve 15 is adjusted to observe that the delivery pressure of the pressure gauge 16 is adjusted to a corresponding value to control the oxygen supply amount, the oxygen valve 15 and the mixed gas valve 18 are closed after the blast furnace is successfully opened, meanwhile, the first switch 4 and the second switch 6 on the oxygen lance 13 are closed to extinguish flame, the mounting head 2 is separated from the oxygen lance 13 by rotating the fixing buckle 3, the mounting head 2 and the observation mirror 1 are kept in clay with lower manufacturing cost, and the oxygen adds air pressure wind and the air pressure wind is converted into hot wind with the temperature of about 200 ℃ in the process of opening the furnace, so that the process of opening the furnace is accelerated, the cost is saved, the environment is protected, the safety is realized, the labor intensity of workers is reduced, and the special effect on freezing and cooling of the furnace cylinder is achieved.
Compared with the prior art, the utility model provides an oxygen content adjustable blow-in oxygen rifle has following beneficial effect:
before the blast furnace is started, the mixed gas valve 18 and the oxygen valve 15 are opened, whether the pressure inside the mixed gas tank 22 and the oxygen tank 14 is normal or not is observed through observing the pressure gauge 16, if the pressure gauge 16 shows that the mixed gas is normally opened and is conveyed into the first conveying pipe 11 through the mixed gas pipe 9, the mounting head 2 is discharged through the mounting head 2, the lighter is used for igniting the mounting head 2, the second switch 6 is opened after the ignition is successful, the oxygen is conveyed to the mounting head 2 through the oxygen pipe 7 and the second conveying pipe 12 to be contacted with the mixed gas, so that the flame temperature is increased, after the operation is completed, the observation mirror 1 and the mounting head 2 are fixed at a slurry outlet of the blast furnace through clay, the combustion condition in the blast furnace is observed through the observation mirror 1, if the combustion condition is not ideal, the oxygen supply amount is controlled by adjusting the oxygen valve 15 to observe the conveying pressure of the pressure gauge 16 to be adjusted to a corresponding value, when the oxygen supply data is stable, the output pressure displayed through the pressure gauge 16 can be recorded as a next time of opening as a data reference, the oxygen supply valve 15 and the oxygen supply valve 18 and the oxygen lance 13 can be closed after the blast furnace is successfully opened, the oxygen supply valve is closed, the oxygen lance is kept in the oxygen lance 13, the oxygen supply valve can be prevented from being fixed, the oxygen supply valve can be kept in real-oxygen lance, the oxygen lance can be prevented from being lost, the oxygen supply equipment, the oxygen lance can be prevented from being lost through the observation equipment, the phenomenon that the installation can be prevented from being lost through the oxygen supply equipment, the oxygen supply equipment from being lost through the oxygen supply equipment from being stopped, and the oxygen lance 13, and the oxygen supply equipment can be prevented from being lost through the phenomenon that the oxygen supply equipment from being stopped in real-supplying equipment can be prevented from being stopped, and the oxygen supply accident caused by the fire.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. An oxygen lance with adjustable oxygen content, which is characterized by comprising: the oxygen gun, the oxygen tank and the first delivery pipe;
the fixed pipe is fixedly connected to the bottom of the first conveying pipe, a fixed buckle is arranged at the bottom end of the fixed pipe, a second gasket is arranged inside the fixed buckle, the bottom end of the fixed buckle is connected with an installing head through threads, an observation mirror is fixedly connected to the installing head, and lenses are fixedly connected to two sides of the observation mirror;
the oxygen valve is fixedly connected to the top end of the oxygen tank, and the top end of the oxygen valve is fixedly connected with a pressure gauge;
the mixed gas tank is fixedly connected to the outside of the oxygen tank, a mixed gas valve is fixedly connected to the top end of the mixed gas tank, and a three-way connector is fixedly connected to the top end of the mixed gas valve through a pressure valve.
2. The oxygen lance for blow molding with adjustable oxygen content as claimed in claim 1, wherein one side of the oxygen lance is fixedly connected with a second delivery pipe, the other side of the oxygen lance is fixedly connected with a second switch, and the bottom of the oxygen lance is fixedly connected with a first switch.
3. The oxygen lance as claimed in claim 2, wherein a tee joint is also fixedly connected to one side of the first switch, a mixed gas pipe is fixedly connected to one side of the tee joint, and a connecting buckle is fixedly connected to the bottom of the tee joint.
4. The oxygen lance as claimed in claim 3, wherein the connecting buckle has a first gasket inside, and the bottom end of the connecting buckle is connected with a threaded pipe by screw thread.
5. The oxygen lance as claimed in claim 4, wherein the bottom of the threaded pipe is fixedly connected with an air pipe through a fixing buckle, and the interior of the connecting buckle is rotatably connected with a second connecting pipe.
6. The oxygen lance for blow-in of an oxygen content adjustable as claimed in claim 1, wherein a carbon dioxide tank is arranged outside the mixing gas tank, the top of the carbon dioxide tank is also fixedly connected with a carbon dioxide gas valve through a first connecting pipe, and the top end of the carbon dioxide gas valve is fixedly connected with a tee joint.
7. The oxygen content adjustable blow-on lance as claimed in claim 2 wherein the other side of the second switch is fixedly connected with an oxygen pipe by a fixing buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222340073.8U CN218710610U (en) | 2022-09-03 | 2022-09-03 | Oxygen lance with adjustable oxygen content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222340073.8U CN218710610U (en) | 2022-09-03 | 2022-09-03 | Oxygen lance with adjustable oxygen content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218710610U true CN218710610U (en) | 2023-03-24 |
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ID=85630269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222340073.8U Active CN218710610U (en) | 2022-09-03 | 2022-09-03 | Oxygen lance with adjustable oxygen content |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218710610U (en) |
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2022
- 2022-09-03 CN CN202222340073.8U patent/CN218710610U/en active Active
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