CN218120640U - Top-blown spray gun lifting device - Google Patents
Top-blown spray gun lifting device Download PDFInfo
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- CN218120640U CN218120640U CN202221993589.6U CN202221993589U CN218120640U CN 218120640 U CN218120640 U CN 218120640U CN 202221993589 U CN202221993589 U CN 202221993589U CN 218120640 U CN218120640 U CN 218120640U
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- blowing
- detection mechanism
- spray gun
- main control
- lance
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- 239000007921 spray Substances 0.000 title claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 139
- 238000007664 blowing Methods 0.000 claims abstract description 95
- 238000001514 detection method Methods 0.000 claims abstract description 80
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000003028 elevating effect Effects 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- 239000002912 waste gas Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 239000003570 air Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a top-blowing spray gun elevating gear for control top-blowing spray gun is at the suspension height in the top-blowing stove, top-blowing spray gun elevating gear includes main control mechanism, a detection mechanism and elevating system, the inside cavity of top-blowing stove forms the reaction chamber, the reaction chamber is used for holding copper water liquid, set up on the lateral wall of top-blowing stove a detection mechanism, a detection mechanism is used for detecting the top-blowing spray gun with spacing distance between the copper water liquid, a detection mechanism electric connection main control mechanism, main control mechanism electric connection elevating system, elevating system is used for the drive the top-blowing spray gun is along axial displacement. Through the automatic structure, avoided the higher problem of the naked eye observation degree of difficulty, realized the accurate regulation of top-blown spray gun's height has improved the operating efficiency simultaneously, has reduced staff's intensity of labour.
Description
Technical Field
The utility model relates to a nonferrous metallurgy technical field, in particular to top-blown spray gun elevating gear.
Background
The top-blown converter is widely applied to industrial production due to the fact that the furnace body is simple in structure, high in operation flexibility and strong in adaptability to complex material treatment.
The top-blown furnace spray gun is the core technology of the top-blown furnace smelting process, and mainly has the following functions: air, oxygen and fuel required by the process reaction are conveyed to a reaction zone to participate in the reaction, and the molten pool is stirred intensively while conveying, so that materials added into the molten pool and molten slag are fully mixed, and necessary dynamic conditions are provided for the reaction.
The top-blowing spray gun is suspended on the liquid level of the copper water liquid in the top-blowing furnace to perform air injection operation, and the suspension height of the top-blowing spray gun needs to be adjusted in time in the operation process so as to fully mix the copper water liquid and the gas and achieve the optimal reaction effect. But current altitude mixture control mainly relies on the manual work to judge the spray gun position through the naked eye from the observation hole of top-blown furnace to manual operation goes up and down, and because of the stove ore deposit complicacy in the top-blown furnace, interference factor is more, consequently, through the mode of artifical observation, the observation degree of difficulty is higher, and the height control precision of top-blown spray gun is lower.
Inside of the utility model
Not enough to prior art, an object of the utility model is to provide a top-blown spray gun elevating gear aims at solving among the prior art and surveys the position of top-blown spray gun in the top-blown spray gun through the manual work, and then adjusts the operation height of top-blown spray gun, observes the technical problem that the degree of difficulty is high, the height control precision of top-blown spray gun is low.
In order to achieve the above purpose, the present invention is realized by the following technical scheme:
the utility model provides a top-blown spray gun elevating gear for control top-blown spray gun is at the suspension height in the top-blown stove, top-blown spray gun elevating gear includes main control mechanism, a detection mechanism and elevating system, the inside cavity of top-blown stove forms the reaction chamber, the reaction chamber is used for holding copper water liquid, set up on the lateral wall of top-blown stove a detection mechanism, a detection mechanism is used for detecting the top-blown spray gun with spacing distance between the copper water liquid, a detection mechanism electric connection main control mechanism, main control mechanism electric connection elevating system, elevating system is used for the drive the top-blown spray gun is along axial displacement.
Compared with the prior art, the beneficial effects of the utility model reside in that: and the lifting mechanism controls the top-blowing spray gun to descend along the axial direction and enter the top-blowing furnace, and the top-blowing spray gun is suspended at the calibrated height. The outer side wall of the top-blowing furnace is provided with the first detection mechanism, the first detection mechanism replaces human eyes to observe the spacing distance between the top-blowing spray gun and the copper water liquid, and the lifting mechanism controls the top-blowing spray gun to be adjusted to the optimal height through the main control mechanism, so that the height control of the top-blowing spray gun is completed. Compared with a manual observation and adjustment mode, the accurate adjustment of the height of the top-blowing spray gun is realized through an automatic structure, meanwhile, the operation efficiency is improved, and the labor intensity of workers is reduced.
Further, the first detection mechanism is an infrared high-temperature camera, an observation hole is formed in the outer side wall of the top-blowing furnace and communicated with the reaction cavity, and the infrared high-temperature camera is arranged outside the observation hole.
Furthermore, the top-blowing spray gun comprises a body and a spray gun tube, wherein the body is connected to the lifting mechanism, one end of the body, facing the top-blowing furnace, is connected to the spray gun tube, a second detection mechanism is arranged on the spray gun tube, the second detection mechanism is electrically connected to the main control mechanism, and the second detection mechanism is used for detecting the pressure in the spray gun tube.
Still further, the second detection mechanism is a pressure transmitter.
Furthermore, one end of the body, which is far away from the gunbarrel, is communicated with an air supply pipe, a third detection mechanism is arranged on the air supply pipe, the third detection mechanism is electrically connected with the main control mechanism, and the third detection mechanism is used for detecting the air supply volume of the gunbarrel.
Further, the third detection mechanism is a thermal gas mass flow meter.
Further, the top of top blowing furnace sets up the flue, the flue intercommunication the reaction chamber, the flue is used for discharging waste gas in the reaction chamber, set up fourth detection mechanism in the flue, fourth detection mechanism electric connection master control mechanism, fourth detection mechanism is used for detecting the oxygen content of waste gas.
Further, the fourth detection mechanism is an extraction type oxygen content analyzer.
Furthermore, a fifth detection mechanism is arranged at the top of the top-blowing furnace and comprises an audio sampling device and an audio analyzer, wherein the audio sampling device is electrically connected with the audio analyzer, and the audio analyzer is electrically connected with the main control mechanism.
Still further, the main control mechanism comprises an APC system and a DCS system, and the APC system is electrically connected with the DCS system through an OPC interface.
Drawings
FIG. 1 is a schematic structural view of a lifting device of a top-blowing lance in an embodiment of the present invention;
description of the main element symbols:
| top-blowing |
10 | |
110 |
| Top-blown |
20 | |
210 |
| |
220 | |
230 |
| |
240 | |
30 |
| |
310 | |
320 |
| |
40 | |
50 |
| |
60 | |
70 |
| |
80 | |
90 |
| |
910 | |
920 |
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the top-blowing lance lifting device according to the embodiment of the present invention is configured to control a suspension height of the top-blowing lance 10 in the top-blowing furnace 20, and as can be understood, a lifting hole is formed at the top of the top-blowing furnace 20, the lifting hole corresponds to the position of the top-blowing lance 10, and the top-blowing lance 10 can enter the top-blowing furnace 20 through the lifting hole and then suspend in the top-blowing furnace 20.
Top-blown spray gun elevating gear includes main control mechanism 30, first detection mechanism 50 and elevating system 40, the inside cavity of top-blown furnace 20 forms reaction chamber 210, reaction chamber 210 is used for holding copper water liquid 220, set up on the lateral wall of top-blown spray gun 10 first detection mechanism 50, first detection mechanism 50 is used for detecting top-blown spray gun 10 with interval distance between the copper water liquid 220, 50 electric connection of first detection mechanism main control mechanism 30, 30 electric connection of main control mechanism elevating system 40, elevating system 40 is used for the drive top-blown spray gun 10 is along axial displacement. It will be appreciated that the lifting mechanism 40 is secured to an external facility to effect the lifting operation of the top-blowing lance 10. Preferably, the first detection mechanism 50 is an infrared high-temperature camera, an observation hole 230 is formed in an outer side wall of the top-blowing furnace 20, the observation hole 230 is communicated with the reaction chamber 210, the infrared high-temperature camera is arranged in the observation hole 230, understandably, the infrared high-temperature camera is fixed on the outer side wall of the top-blowing furnace 20 through a fixing device, and the infrared high-temperature camera images the internal condition of the top-blowing furnace 20 through the observation hole 230 and transmits the image to the main control mechanism 30.
The lifting mechanism 40 controls the top-blowing lance 10 to descend along the axial direction and enter the top-blowing furnace 20, and the top-blowing lance 10 is suspended at a calibrated height. The first detection mechanism 50 is arranged on the outer side wall of the top-blowing furnace 20, the first detection mechanism 50 is used for observing the spacing distance between the top-blowing spray gun 10 and the copper water liquid 220 instead of human eyes, and the lifting mechanism 40 is used for controlling the top-blowing spray gun 10 to be adjusted to the optimal height through the main control mechanism 30 so as to complete the height control of the top-blowing spray gun 10. Compared with a manual observation and adjustment mode, the accurate adjustment of the height of the top-blowing spray gun 10 is realized through an automatic structure, meanwhile, the operation efficiency is improved, and the labor intensity of workers is reduced.
The main control mechanism 30 includes an APC system 310 and a DCS system 320, the APC system 310 is electrically connected to the DCS system 320 through an OPC interface, a nonlinear model is constructed through the APC system 310, the nonlinear model implements multivariate process prediction control based on mathematical operation of a neural network, and forms an optimization control strategy, and the APC system 310 instructs the DCS system 320 to control the lifting device to perform dynamic continuous control through the OPC interface. The main control mechanism 30 sets a reference point on the basis of the top-blowing furnace 20 to perform zero calibration of the top-blowing lance 10, after the calibration is completed, the main control mechanism 30 controls the lifting mechanism 40 to perform lance discharging operation, the lifting mechanism 40 controls the top-blowing lance 10 to axially descend and enter the reaction chamber 210 through the lifting hole to reach a calibrated suspension height, the first detection mechanism 50 observes the spacing distance between the top-blowing lance 10 and the copper water liquid 220 and feeds the spacing distance back to the main control mechanism 30, the main control mechanism 30 determines whether the spacing distance reaches an optimal spacing distance, and if not, the main control mechanism 30 controls the lifting mechanism 40 to drive the top-blowing lance 10 to axially move downwards so as to reach the optimal spacing distance.
Preferably, elevating system 40 includes driving motor, pivot and strop cord, driving motor is fixed in outside fixed point, driving motor electric connection the pivot, in order to drive the pivot is along axial rotation, strop cord's one end is fixed in the pivot, strop cord's the other end is connected top-blown spray gun 10, works as driving motor drives when the pivot forward rotation, the pivot drives strop cord twine in the pivot, and then makes top-blown spray gun 10 axial shifts up, works as driving motor drive when the pivot antiport, top-blown spray gun 10 moves down along the axial. It can be understood that the lifting mechanism 40 further includes a motor stroke encoder, and the main control mechanism 30 is electrically connected to the motor stroke encoder, so that the driving motor drives the top-blowing lance 10 to move axially according to a set requirement.
Further, the top-blowing lance 10 includes a body and a lance pipe, the body is connected to the lifting mechanism 40, one end of the body facing the top-blowing furnace 20 is connected to the lance pipe, a second detection mechanism 60 is arranged on the lance pipe, the second detection mechanism 60 is electrically connected to the main control mechanism 30, and the second detection mechanism 60 is used for detecting the pressure in the lance pipe. Preferably, the second detection mechanism 60 is a pressure transducer.
One end of the body, which is far away from the lance tube, is communicated with an air supply pipe 110, and the air supply pipe 110 is used for sending air and oxygen into the top-blown furnace 20 so as to facilitate the reaction operation of the copper water solution 220. The blast pipe 110 is provided with a third detection mechanism 70, the third detection mechanism 70 is electrically connected to the main control mechanism 30, and the third detection mechanism 70 is used for detecting the air output of the lance pipe. Preferably, the third detecting mechanism 70 is a thermal gas mass flow meter. By providing the second detection mechanism 60 and the third detection mechanism 70, the distance between the top-blowing lance 10 and the copper water solution 220 can be optimized in a blowing process, even if the optimal distance between the top-blowing lance 10 and the copper water solution 220 is reached.
When the top-blowing spray gun 10 performs air injection operation, the gas in the top-blowing spray gun 10 is influenced by the copper water liquid 220 to generate a certain degree of pressure, the pressure generated in the top-blowing spray gun 10 changes along with the difference of the distance between the top-blowing spray gun 10 and the liquid level of the copper water liquid 220, the air supply quantity of the gun barrel is detected by the third detection mechanism 70, the air supply quantity of the gun barrel can be further controlled, the pressure in the top-blowing spray gun 10 is detected by the second detection mechanism 60, the nonlinear relation between the pressure and the spacing distance can be simulated under the condition that the air supply quantity is not changed, whether the suspension height of the top-blowing spray gun 10 is suitable or not can be judged through the nonlinear relation by setting a calibration value in the main control mechanism 30, and the lifting mechanism 40 is driven by the main control mechanism 30, so that the optimal distance between the top-blowing spray gun 10 and the copper water liquid 220 is reached.
Further, for making the converting in-process, top-blown spray gun 10 in the suspended position in top-blown converter 20 is more accurate, top-blown spray gun elevating gear still includes fourth detection mechanism 80, the top of top-blown converter 20 sets up flue 240, flue 240 communicates reaction chamber 210, flue 240 is used for discharging waste gas in reaction chamber 210, fourth detection mechanism 80 set up in flue 240, fourth detection mechanism 80 electric connection master control mechanism 30, fourth detection mechanism 80 is used for detecting the oxygen content of waste gas. Preferably, the fourth detecting mechanism 80 is a suction type oxygen content analyzer. Because the distance between the top-blowing lance 10 and the liquid level of the copper water solution 220 is different, the reaction degree of the copper water solution 220 will change accordingly, and further the oxygen content in the exhaust gas generated in the reaction process will change, it can be understood that when the distance between the top-blowing lance 10 and the copper water solution 220 is the optimal distance, the optimal oxygen content is formed in the exhaust gas generated after the copper water solution 220 reacts.
When the fourth detection mechanism 80 detects the oxygen content in the exhaust gas, the oxygen content data is fed back to the main control mechanism 30, and the main control mechanism 30 compares the oxygen content data to further complete the determination of the loss and the fracture condition of the top-blown spray gun 10 in the operation process. In order to make the determination structure more accurate, the lifting device of the top-blowing lance further comprises a fifth detection mechanism 90, the top of the top-blowing furnace 20 is provided with the fifth detection mechanism 90, the fifth detection mechanism 90 comprises an audio sampling device 910 and an audio analyzer 920, the audio sampling device 910 is arranged close to the top-blowing lance 10, the audio sampling device 910 is electrically connected to the audio analyzer 920, and the audio analyzer 920 is electrically connected to the main control mechanism 30. The audio sampling device 910 adjacent to the top-blowing spray gun 10 can collect an audio signal during operation of the top-blowing spray gun 10, the audio sampling device 910 transmits the audio signal to the audio analyzer 920, the audio analyzer 920 is configured to perform spectrum and amplitude analysis on the audio signal, and further transmit an analysis result to the main control mechanism 30, and the main control mechanism 30 combines the detection mechanisms of the fourth detection mechanism 80 and the fifth detection mechanism 90 to complete the determination of loss and fracture of the top-blowing spray gun 10. If the loss is determined to be excessive, the main control mechanism 30 controls the top-blowing lance 10 to stop working, and readjusts the setting position of the top-blowing lance 10 according to the detection data of the first detection mechanism 50.
The insertion depth and the loss degree of the top-blowing spray gun 10 are judged in a combined mode, and the position of the top-blowing spray gun 10 is intelligently adjusted in a lifting mode through combination of technological parameters, so that the automatic operation of the top-blowing spray gun 10 is achieved, the operation process is simplified, and the production efficiency is improved.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means 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 present 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 above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a top-blowing spray gun elevating gear for control top-blowing spray gun is at the suspension height in the top-blowing stove, its characterized in that, top-blowing spray gun elevating gear includes main control mechanism, a detection mechanism and elevating system, the inside cavity of top-blowing stove forms the reaction chamber, the reaction chamber is used for holding copper water liquid, set up on the lateral wall of top-blowing stove first detection mechanism, a detection mechanism is used for detecting the top-blowing spray gun with the interval distance between the copper water liquid, a detection mechanism electric connection main control mechanism, main control mechanism electric connection elevating system, elevating system is used for the drive the top-blowing spray gun is along axial displacement.
2. The top-blowing lance lifting device according to claim 1, wherein the first detection mechanism is an infrared high-temperature camera, an observation hole is formed in the outer side wall of the top-blowing furnace, the observation hole is communicated with the reaction chamber, and the infrared high-temperature camera is arranged outside the observation hole.
3. The lift device of claim 1 or 2, wherein the top-blowing lance comprises a body and a lance tube, the body is connected to the lifting mechanism, the end of the body facing the top-blowing furnace is connected to the lance tube, a second detection mechanism is disposed on the lance tube, the second detection mechanism is electrically connected to the main control mechanism, and the second detection mechanism is used for detecting the pressure in the lance tube.
4. The top-blowing lance lifting apparatus of claim 3 wherein the second detection mechanism is a pressure transducer.
5. The lift device of claim 3, wherein an end of the body remote from the lance tube communicates with a blower tube, the blower tube is provided with a third detection mechanism, the third detection mechanism is electrically connected to the main control mechanism, and the third detection mechanism is configured to detect an air output of the lance tube.
6. The top-blowing lance lifting device according to claim 5, wherein the third detection mechanism is a thermal gas mass flow meter.
7. The top-blown lance lifting device according to claim 1 or 2, wherein a flue is arranged at the top of the top-blown lance, the flue is communicated with the reaction chamber, the flue is used for discharging waste gas in the reaction chamber, a fourth detection mechanism is arranged in the flue, the fourth detection mechanism is electrically connected with the main control mechanism, and the fourth detection mechanism is used for detecting the oxygen content of the waste gas.
8. The top-blowing lance lifting apparatus of claim 7, wherein the fourth detection mechanism is a suction oxygen analyzer.
9. The top-blowing lance lifting device according to claim 7, wherein a fifth detection mechanism is disposed on the top of the top-blowing furnace, the fifth detection mechanism comprises an audio sampling device and an audio analyzer, the audio sampling device is electrically connected to the audio analyzer, and the audio analyzer is electrically connected to the main control mechanism.
10. The top-blowing lance lifting device of claim 1, wherein the main control mechanism comprises an APC system and a DCS system, the APC system being electrically connected to the DCS system through an OPC interface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221993589.6U CN218120640U (en) | 2022-07-29 | 2022-07-29 | Top-blown spray gun lifting device |
| CL2023001977U CL2023001977U1 (en) | 2022-07-29 | 2023-07-04 | Upper blow lance lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221993589.6U CN218120640U (en) | 2022-07-29 | 2022-07-29 | Top-blown spray gun lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218120640U true CN218120640U (en) | 2022-12-23 |
Family
ID=84521086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221993589.6U Active CN218120640U (en) | 2022-07-29 | 2022-07-29 | Top-blown spray gun lifting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218120640U (en) |
| CL (1) | CL2023001977U1 (en) |
-
2022
- 2022-07-29 CN CN202221993589.6U patent/CN218120640U/en active Active
-
2023
- 2023-07-04 CL CL2023001977U patent/CL2023001977U1/en unknown
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| Publication number | Publication date |
|---|---|
| CL2023001977U1 (en) | 2023-08-18 |
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