CN111982463A - System and method for detecting and analyzing jet characteristics of oxygen lance - Google Patents
System and method for detecting and analyzing jet characteristics of oxygen lance Download PDFInfo
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Abstract
A system and a method for detecting and analyzing jet characteristics of an oxygen lance belong to the technical field of ferrous metallurgy. The detection and analysis system mainly comprises an air supply system, a main air valve group control system, an auxiliary air valve group control system, an injection system, a collection system and a data processing system. Gas supply system providing O2、N2、Ar、CO2、H2And air or a plurality of gases are mixed, the high-pressure gas enters the valve group control system, is sprayed out by the spraying system, is converted into 4-20mA electric signals by the acquisition system, is converted into digital signals after being processed by the data processing system, realizes the high-efficiency detection and analysis of oxygen lance jet flow, and enables the detection and analysis of the oxygen lance jet flow to be more efficient and accurate. The invention is suitable for the detection and analysis of jet flow of the converter and the electric furnace oxygen lance of 30-350 tons, can realize the detection and analysis of jet flow characteristics of various types of oxygen lances and different injection media, is beneficial to guiding and optimizing the parameter design of the oxygen lance, realizes the high efficiency of the jet flow of the oxygen lance in the smelting process, shortens the smelting time, improves the utilization rate of oxygen and reduces the energy consumption of the converter process.
Description
Technical Field
The invention relates to the technical field of ferrous metallurgy, in particular to a system and a method for detecting and analyzing jet characteristics of an oxygen lance, which enable the detection and analysis of the jet of the oxygen lance to be more efficient and accurate.
The detection and analysis system mainly comprises an air supply system, a main air valve group control system, an auxiliary air valve group control system, an injection system, a collection system and a data processing system. Gas supply system providing O2、N2、Ar、CO2、H2And air or a mixture of a plurality of gases enter the valve group control system, are sprayed out by the spraying system, are converted into 4-20mA electric signals by the acquisition system, are processed by the data processing system and are converted into digital signals, and the high-efficiency detection and analysis of oxygen lance jet flow are realized. The invention is suitable for the detection and analysis of jet flow of the converter and the electric furnace oxygen lance of 30-350 tons, can realize the detection and analysis of jet flow characteristics of various types of oxygen lances and different injection media, is beneficial to guiding and optimizing the parameter design of the oxygen lance, realizes the high efficiency of the jet flow of the oxygen lance in the smelting process, shortens the smelting time, improves the utilization rate of oxygen and reduces the energy consumption of the converter process.
Disclosure of Invention
The invention aims to provide a novel system and a novel method for detecting and analyzing oxygen lance characteristics, so that the detection and analysis of oxygen lance jet flow are more efficient.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a jet flow characteristic detection and analysis system of an oxygen lance comprises an air supply system, a main air valve set control system, an auxiliary air valve set control system, a jet system, an acquisition system and a data processing system. The gas supply system is connected with the main gas valve group control system, the gas supply system is connected with the auxiliary gas valve group control system, the other ends of the main gas valve group control system and the auxiliary gas valve group control system are connected with the injection system, and the acquisition system is connected with the data processing system.
Further, the gas supply system of the system comprises a gas booster, a gas storage tank and a gas drying tank, wherein the pressure ratio of the gas booster is 1.1/1-200/1, and the volume of the gas storage tank is 0.5-200Nm3The pressure is 0.2-10.0 MPa.
Further, the main gas valve group control system of the system comprises a manual cut-off valve A, an automatic cut-off valve A, a flow regulating valve A, a pressure transmitter A and a flowmeter A.
Furthermore, the auxiliary valve group control system of the system comprises a manual cut-off valve B, an automatic cut-off valve B, a flow regulating valve B, a pressure transmitter B and a flowmeter B.
Furthermore, the injection system of the system comprises a test spray head, a main gas pipeline and an auxiliary gas pipeline, wherein the test spray head is an electric furnace or converter spray head, the number of spray holes is 1-12, the inner diameter of the main gas pipeline is 13-510mm, the main gas pipeline is made of stainless steel, copper or carbon steel, and the circular seam area of the auxiliary gas pipeline is 10-200000mm2。
Furthermore, the acquisition system of the system comprises a side pressure bar, a pressure sensor, a signal amplifier and an A/D signal converter, wherein the number of the side pressure bar testing pressure needles is 3-240, the inner diameter is 0.1-10mm, and the material is stainless steel, copper or carbon steel.
Another object of the present invention is to provide a method for lance jet characteristic detection analysis using the above system, which method is capable of detecting the characteristics of the lance jetMethod of reacting2、N2、Ar、CO2、H2The high-pressure gas generated after the air or the mixture of several gases is processed by the air supply system, the main gas valve group control system controls the high-pressure gas to spray main blowing air through a main gas pipeline of the injection system, the auxiliary gas valve group control system controls the high-pressure gas to spray auxiliary gas through an auxiliary gas pipeline of the injection system to protect the main blowing air flow from being interfered by the outside, the acquisition system converts the pressure of the main blowing air into 4-20mA electric signals to be transmitted to the data processing system, and then the electric signals are converted into digital signals through the data processing system and display the data of each point of the jet flow and the distribution of the flow field.
Further, the monitoring and analyzing method specifically comprises the following steps:
step 1: o is2、N2、Ar、CO2、H2Pressurizing air or a mixture of several gases by a gas booster, storing the pressurized air or the mixture of several gases into a gas storage tank, performing gas dehydration treatment by a gas drying tank, calculating the pressure value of the gas storage tank required by the test, and confirming that the position of the test pressure bar is adjusted to be the position required by the test;
step 2: and (3) opening a main gas valve group control system, and enabling the dried high-pressure gas to sequentially pass through a manual cut-off valve, an automatic cut-off valve, a flow regulating valve, a pressure transmitter and a flowmeter which are connected in series. The automatic cut-off valve realizes quick cut-off/opening of gas, and the gas is cut off/opened through a manual cut-off valve if special conditions occur. The flow regulating valve regulates the flow of high-pressure gas, and the pressure transmitter and the flowmeter display the pressure and the flow of the gas;
and step 3: and (3) opening the auxiliary gas valve group control system within 3-20s after the main gas valve group control system is opened, and sequentially passing the dried high-pressure gas through a manual cut-off valve, an automatic cut-off valve, a flow regulating valve (3-3), a pressure transmitter and a flowmeter which are connected in series. The automatic cut-off valve realizes quick cut-off/opening of gas, and the gas is cut off/opened through a manual cut-off valve if special conditions occur. The flow regulating valve regulates the flow of high-pressure gas, and the pressure transmitter and the flowmeter display the pressure and the flow of the gas;
and 4, step 4: high-pressure main blowing air is jetted out of the test spray head through a main air pipeline, high-pressure auxiliary air is jetted out through an auxiliary air pipeline, and a pressure display value on the storage tank is observed;
and 5: the main blowing is sprayed on the test pressure bar, the pressure is converted into an electric signal of 4-20mA through a pressure sensor, the electric signal is amplified through a signal amplifier, finally the electric signal is converted into a digital signal through an A/D signal converter and transmitted to a data processing system, and the measured data value is stored after the data display value stabilization time is more than 3S;
step 6: horizontally moving to adjust the distance between the test pressure bar and the test spray head, repeating the processes of the step 1 to the step 5, measuring the jet parallel velocity field of the jet flow, and selecting a velocity boundary of 5 to 50 m/s;
and 7: vertically moving a certain test pressure bar and a test spray head at a specific distance to adjust the height of the test pressure bar, repeating the processes of the step 1 to the step 5, and measuring a jet flow jet vertical velocity field at a certain distance;
and 8: and after the measured jet flow data is processed by a data processing system, drawing jet flow parallel and vertical flow fields, and analyzing jet flow characteristics.
Further, the main gas valve group control system may use O2、N2、Ar、CO2、H2Air or a mixture of several gases, the flow regulating range of the flow regulating valve A is 1-100000Nm3The pipeline pressure is 0.1-10.0 MPa.
Further, the auxiliary valve group control system may use O2、N2、Ar、CO2、H2Air or a mixture of several gases, the flow regulating range of the flow regulating valve B is 1-50000Nm3The pipeline pressure is 0.1-10.0 MPa.
The method can realize the jet characteristic detection and analysis of various types of converters and electric furnace oxygen lances with 30-350 tons and different injection media.
The beneficial effects of the invention include:
1) provides an efficient and accurate system and method for the detection and analysis of the jet characteristics of the oxygen lance;
2) according to the detection and analysis result of the jet flow characteristics of the oxygen lance, the jet flow field distribution characteristics are obtained, accurate data support is provided for the optimization design of oxygen lance parameters, the design of oxygen lance parameters more suitable for different smelting conditions is facilitated, the high efficiency of the oxygen lance jet flow in the smelting process is realized, the smelting time is shortened, the oxygen utilization rate is improved, the energy consumption of converter procedures is reduced, and the like.
Drawings
FIG. 1 is a schematic diagram of a system for lance jet characteristic detection and analysis in accordance with the present invention.
FIG. 2 is a schematic view of the gas supply system of the present invention.
Fig. 3 is a schematic diagram of a main air valve set control system according to the present invention.
Fig. 4 is a schematic diagram of an auxiliary valve group control system according to the present invention.
FIG. 5 is a schematic view of the injection system of the present invention.
Fig. 6 is a schematic view of an acquisition system of the present invention.
In the figure: the system comprises a gas supply system 1, a main gas valve bank control system 2, an auxiliary gas valve bank control system 3, an injection system 4, an acquisition system 5, a data processing system 6, a gas booster 1-1, a gas storage tank 1-2, a gas drying tank 1-3, a manual cut-off valve A2-1, an automatic cut-off valve A2-2, a flow regulating valve A2-3, a pressure transmitter A2-4, a flowmeter A2-5 and a manual cut-off valve B3-2 3; the automatic cutting device comprises an automatic cutting valve A, a 3-3 flow regulating valve B, a 3-4 pressure transmitter B, a 3-5 flowmeter B, a 4-1 testing spray head, a 4-2 main gas pipeline, a 4-3 auxiliary gas pipeline, a 5-1 side pressure row, a 5-2 pressure sensor, a 5-3 signal amplifier and a 5-4A/D signal converter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments are further described in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
Example (b):
1) the invention is applied to the jet characteristic detection and analysis of the oxygen lance of a 100t converter, the outer diameter of the oxygen lance nozzle is 245mm, the number of holes is 4, the Mach number is 2.0, and the gas medium is O2And CO2，CO2The mixing ratio was 10% and a total flow rate of 21000Nm was used3H, wherein O2The flow rate was 18900Nm3/h，CO2The flow rate is 2100Nm3The design pressure is 0.81 MPa. The maximum pressure of the gas booster is 2.5MPa, and the container of the gas storage tank is 50m3The design pressure was 3.0 MPa. The horizontal testing distance is 1000mm, 1300mm, 1600mm, 1900mm, 2100mm, 2400mm and 2700 mm; the vertical test height is +900mm, +600mm, +300mm, 0mm, -300mm, -600mm, -900 mm.
2) Setting the blowing flow of the auxiliary blowing to be 5 percent of the main blowing, namely the blowing flow is 1050Nm3H, the gas medium is O2And CO2The mixing proportion of the mixed gas is the same as that of the main blowing gas;
3) the air quantity required for calculating the stable blowing of 40s is 245Nm3Mixing the obtained mixture to obtain O2And CO2Pressurizing the gas by a gas supply system, and confirming that the pressure of the gas storage tank is more than 1.35 MPa;
4) adjusting the test pressure bar to be horizontal to the central line of the test spray head, wherein the distance is 1000 mm;
5) a control system for controlling the main gas valve group, wherein the main blowing gas flow is set to 21000Nm3The pressure is 0.81MPa, the gas is quickly opened by controlling the automatic cut-off valve, and the gas pressure and flow numerical values displayed by the pressure transmitter and the flowmeter are observed;
6) after the main gas valve group control system is opened for 4s and the gas pressure and flow numerical values displayed by the pressure transmitter and the flowmeter are confirmed to be basically stable, the auxiliary gas valve group control system is controlled, the auxiliary blowing gas flow is set to be 1050Nm3/h, and the gas is quickly opened by controlling the automatic cut-off valve;
7) high-pressure main blowing air is ejected from a test nozzle through a main air pipeline and is blown to a test pressure bar, the pressure is converted into an electric signal of 4-20mA through a pressure sensor, the electric signal is amplified through a signal amplifier, and finally the electric signal is converted into a digital signal through an A/D signal converter and is transmitted to a data processing system, a data display value is stable after being blown for 30S, and a measured data value is stored;
8) adjusting the horizontal distances between the test pressure bar and the test spray head to be 1300mm, 1600mm, 1900mm, 2100mm, 2400mm and 2700mm respectively, repeating the steps 3) -7), storing the measured data values, taking the speed of 20m/s as a boundary, drawing a flow field distribution diagram of the longitudinal section of the jet flow and characteristic lines of each jet flow through a data processing system, and analyzing jet flow characteristics;
9) when the horizontal distances between the test pressure row and the test spray head are respectively 1000mm, 1300mm, 1600mm, 1900mm, 2100mm, 2400mm and 2700mm, the height of the test pressure row is vertically adjusted to be +900mm, +600mm, +300mm, 0mm, -300mm, -600mm and-900 mm, the steps 3-7 are repeated, the measured data value is stored, the speed of 20m/s is taken as a boundary, the flow field distribution condition of the jet flow on the cross section under different gun position conditions and the interference condition of each jet flow on different cross sections are drawn through a data processing system, and the jet flow characteristics are analyzed.
10) And optimally designing oxygen lance parameters by combining the jet flow longitudinal section velocity flow field and the jet flow cross section velocity flow field with different lance position heights.
Claims (10)
1. A detection and analysis system for oxygen lance jet characteristics is characterized by comprising an air supply system (1), a main air valve set control system (2), an auxiliary air valve set control system (3), an injection system (4), an acquisition system (5) and a data processing system (6); the gas supply system (1) is connected with the main gas valve group control system (2), the gas supply system (1) is connected with the auxiliary gas valve group control system (3), the other ends of the main gas valve group control system (2) and the auxiliary gas valve group control system (3) are connected with the injection system (4), and the acquisition system (5) is connected with the data processing system (6).
2. The system for detecting and analyzing jet characteristics of oxygen lance as claimed in claim 1, wherein the gas supply system (1) comprises a gas booster (1-1), a gas storage tank (1-2) and a gas drying tank (1-3), wherein the pressure ratio of the gas booster (1-1) is 1.1/1-200/1, and the volume of the gas storage tank (1-2) is 0.5-200Nm3The pressure is 0.2-10.0 MPa.
3. The system for detecting and analyzing the jet characteristics of the oxygen lance as claimed in claim 1, wherein the main gas valve group control system (2) comprises a manual cut-off valve A (2-1), an automatic cut-off valve A (2-2), a flow regulating valve A (2-3), a pressure transmitter A (2-4) and a flowmeter A (2-5).
4. The system for detecting and analyzing the jet characteristics of the oxygen lance as claimed in claim 1, wherein the auxiliary valve group control system (3) comprises a manual cut-off valve B (3-1), an automatic cut-off valve B (3-2), a flow regulating valve B (3-3), a pressure transmitter B (3-4) and a flow meter B (3-5).
5. The system for detecting and analyzing the jet characteristics of an oxygen lance as claimed in claim 1, wherein the injection system (4) comprises a test nozzle (4-1), a main gas pipeline (4-2) and an auxiliary gas pipeline (4-3), wherein the test nozzle (4-1) is an electric furnace or converter nozzle, the number of the nozzles is 1-12, the inner diameter of the main gas pipeline (4-2) is 13-510mm, the material is stainless steel, copper or carbon steel, and the circumferential seam area of the auxiliary gas pipeline (4-3) is 10-200000mm2。
6. The system for detecting and analyzing the jet characteristics of the oxygen lance as claimed in claim 1, wherein the collection system (5) comprises a side pressure bar (5-1), a pressure sensor (5-2), a signal amplifier (5-3) and an A/D signal converter (5-4), wherein the number of the test pressure needles of the side pressure bar (5-1) is 3-240, the inner diameter is 0.1-10mm, and the material is stainless steel, copper or carbon steel.
7. The method for detecting and analyzing the jet flow characteristics of the oxygen lance is characterized in that O is used as a raw material2、N2、Ar、CO2、H2The high-pressure gas generated after air or a mixture of several gases is processed by the air supply system (1), the main air valve group control system (2) controls the high-pressure gas to jet main blowing air through a main air pipeline (4-2) of the jet system (4), the auxiliary air valve group control system (3) controls the high-pressure gas to jet auxiliary air through an auxiliary air pipeline (4-3) of the jet system (4) to protect main blowing air flow from being interfered by the outside, the acquisition system (5) converts the pressure of the main blowing air into 4-20mA electric signals to be transmitted to the data processing system (6), and then the electric signals are converted into digital signals through the data processing system (6) and the data of each jet point and the distribution of flow fields are displayed.
8. The method for detecting and analyzing lance jet characteristics as claimed in claim 7, wherein the specific monitoring and analysis comprises the following steps:
step 1: o is2、N2、Ar、CO2、H2Air or a mixture of several gases is pressurized by a gas booster (1-1) and then stored in a gas storage tank (1-2), and after the air or the mixture of several gases is subjected to gas dehydration treatment by a gas drying tank (1-3), the pressure value of the gas storage tank (1-2) required by the test is calculated, and the position of a test pressure bar (5-1) is adjusted to be the position required by the test;
step 2: opening a main gas valve group control system (2), and enabling the dried high-pressure gas to sequentially pass through a manual cut-off valve A (2-1), an automatic cut-off valve A (2-2), a flow regulating valve A (2-3), a pressure transmitter A (2-4) and a flowmeter A (2-5) which are connected in series; the automatic cut-off valve A (2-2) realizes the quick cut-off/opening of the gas, and if special conditions occur, the gas is cut off/opened through the manual cut-off valve A (2-1); the flow control valve A (2-3) regulates the flow of high-pressure gas, and the pressure transmitter A (2-4) and the flowmeter A (2-5) display the pressure and the flow of the gas;
and step 3: opening the auxiliary gas valve group control system (3) within 3-20s after the main gas valve group control system (2) is opened, and sequentially passing the dried high-pressure gas through a manual cut-off valve B (3-1), an automatic cut-off valve B (3-2), a flow regulating valve B (3-3), a pressure transmitter B (3-4) and a flowmeter B (3-5) which are connected in series; the automatic cut-off valve B (3-2) realizes quick cut-off/opening of gas, and the gas is cut off/opened through the manual cut-off valve B (3-1) if special conditions occur. The flow regulating valve B (3-3) regulates the flow of high-pressure gas, and the pressure transmitter B (3-4) and the flowmeter B (3-5) display the pressure and the flow of the gas;
and 4, step 4: high-pressure main blowing air is ejected from a test spray head (4-1) through a main air pipeline (4-2), high-pressure auxiliary air is ejected through an auxiliary air pipeline (4-3), and a pressure display value on the storage tank is observed;
and 5: the main blowing air is sprayed on the test pressure bar (5-1), the pressure is converted into an electric signal of 4-20mA through a pressure sensor, the electric signal is amplified through a signal amplifier (5-3), finally the electric signal is converted into a digital signal through an A/D signal converter (5-4) and transmitted to a data processing system (6), and the measured data value is stored after the data display value stabilization time is more than 3S;
step 6: horizontally moving to adjust the distance between the test pressure bar (5-1) and the test spray head (4-1), repeating the process from the step 1 to the step 5, measuring the jet parallel velocity field of the jet flow, and selecting a velocity boundary of 5-50 m/s;
and 7: vertically moving a certain test pressure bar (5-1) and a test spray head (4-1) at a specific distance to adjust the height of the test pressure bar (5-1), repeating the processes of the steps 1-5, and measuring a jet flow jet vertical velocity field at a certain distance;
and 8: and after the measured jet flow data is processed by the data processing system (6), the parallel and vertical flow fields of the jet flow are drawn, and jet flow characteristics are analyzed.
9. The method for detecting and analyzing lance jet characteristics according to claim 7, wherein the main gas valve set control system (2) can use O2、N2、Ar、CO2、H2Air or a mixture of several gases, the flow regulating range of the flow regulating valve A (2-3) is 1-100000Nm3The pipeline pressure is 0.1-10.0 MPa.
10. The lance jet characteristics of claim 7Wherein the auxiliary valve block control system (3) may use O2、N2、Ar、CO2、H2Air or a mixture of several gases, the flow regulating range of the flow regulating valve A (2-3) is 1-50000Nm3The pipeline pressure is 0.1-10.0 MPa.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201825977U (en) * | 2010-10-22 | 2011-05-11 | 宝山钢铁股份有限公司 | Multifunctional gas blow top lance used for stainless steel vacuum refining furnace |
| CN104634687A (en) * | 2015-01-19 | 2015-05-20 | 中国矿业大学 | High-pressure multi-phase jet-flow cutting performance test system and method |
| CN107014445A (en) * | 2017-06-16 | 2017-08-04 | 中冶赛迪工程技术股份有限公司 | A kind of gas jet characteristic comprehensive measurement device and method |
| US20180052443A1 (en) * | 2015-02-24 | 2018-02-22 | Interflux Singapore Pte Ltd | High Speed Jet Flux Control and Monitoring System |
| KR101851684B1 (en) * | 2017-12-15 | 2018-04-24 | 한국가스안전공사 | Testing device for hydrogen jet flame and testing method for hydrogen jet flame using that |
-
2020
- 2020-08-06 CN CN202010785092.4A patent/CN111982463A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201825977U (en) * | 2010-10-22 | 2011-05-11 | 宝山钢铁股份有限公司 | Multifunctional gas blow top lance used for stainless steel vacuum refining furnace |
| CN104634687A (en) * | 2015-01-19 | 2015-05-20 | 中国矿业大学 | High-pressure multi-phase jet-flow cutting performance test system and method |
| US20180052443A1 (en) * | 2015-02-24 | 2018-02-22 | Interflux Singapore Pte Ltd | High Speed Jet Flux Control and Monitoring System |
| CN107014445A (en) * | 2017-06-16 | 2017-08-04 | 中冶赛迪工程技术股份有限公司 | A kind of gas jet characteristic comprehensive measurement device and method |
| KR101851684B1 (en) * | 2017-12-15 | 2018-04-24 | 한국가스안전공사 | Testing device for hydrogen jet flame and testing method for hydrogen jet flame using that |
Non-Patent Citations (1)
| Title |
|---|
| 冯超: "300t转炉氧枪参数优化", 《中国优秀硕士学位论文全文数据库工程科技I辑》 * |
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Application publication date: 20201124 |