CN109801549A - Bottom convertor water model experimental provision and bottom convertor water model experimental method - Google Patents

Bottom convertor water model experimental provision and bottom convertor water model experimental method Download PDF

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Publication number
CN109801549A
CN109801549A CN201910125437.0A CN201910125437A CN109801549A CN 109801549 A CN109801549 A CN 109801549A CN 201910125437 A CN201910125437 A CN 201910125437A CN 109801549 A CN109801549 A CN 109801549A
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China
Prior art keywords
bottom convertor
spray gun
water model
convertor
model experimental
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董择上
李东波
姚心
李兵
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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Abstract

The invention discloses a kind of bottom convertor water model experimental provision and bottom convertor water model experimental methods, wherein, bottom convertor water model experimental provision includes transparent bottom convertor and air supply system, the top of the transparent bottom convertor is equipped with flue, the bottom of the transparent bottom convertor is equipped with spray gun mounting hole, the spray gun mounting hole be suitable for sealing installation gun barrel outer diameter is identical and a variety of spray guns that gun barrel internal diameter is different;The air supply system is connected with the spray gun, to spray into gas to the transparent bottom convertor by the spray gun.The experimental provision can reproduce melting bottom convertor production process, can need to select the spray gun that outer diameter is identical and internal diameter is different according to experiment, carry out contrast number simulation result with this, and guide actual production.

Description

Bottom convertor water model experimental provision and bottom convertor water model experimental method
Technical field
The present invention relates to bottom convertor technical field of experiment equipment more particularly to a kind of bottom convertor water model experimental provision and bottoms Blown converter water model experimental method.
Background technique
Melting bottom convertor is the current domestic refining lead copper-making equipment generally used, it is seen that the importance of melting bottom convertor.Bottom Blowing technology can improve the stirring in molten bath, so as to shorten the gas liquid reaction time, improve production efficiency.
The core of melting bottom blowing technology first is that how to fall intensity to stirring for molten bath in furnace and carry out effective regulation and control. For identified melting bottom convertor tonnage and the type of furnace, oxygen rifle and the structure of bottom blowing gas etc. are studied, to make melting bottom convertor Reach optimal metallurgical effect, shorten the mixing time in molten bath, to give full play to the technical advantage of melting bottom-blown smelting or blowing It is significantly to work.The research of physical analogy hydraulic analogy and assisted numerical simulation, energy are carried out to melting bottom convertor Enough realize above-mentioned target.
However, the gun hole opened on existing bottom convertor water model furnace body is more single, the especially size in hole, then want Change torch parameters, such as diameter internal diameter, operates relatively complicated.It is tested using existing bottom convertor water model furnace body, it is real Proved recipe method is more single, simple can only be taken pictures or be recorded a video with general camera.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention It is to propose a kind of bottom convertor water model experimental provision, melting bottom convertor production process can be reproduced by experiment, it can basis Experiment needs to select the spray gun that outer diameter is identical and internal diameter is different, carrys out contrast number simulation result with this, and guides actual production.
The present invention also proposes a kind of bottom convertor water model experimental method.
The bottom convertor water model experimental provision of embodiment according to a first aspect of the present invention, comprising:
Transparent bottom convertor, the top of the transparent bottom convertor are equipped with flue, and the bottom of the transparent bottom convertor is equipped with spray gun Mounting hole, the spray gun mounting hole be suitable for sealing installation gun barrel outer diameter is identical and a variety of spray guns that gun barrel internal diameter is different;
Air supply system, the air supply system are connected with the spray gun, to be sprayed by the spray gun to the transparent bottom convertor Enter gas.
The bottom convertor water model experimental provision of embodiment according to a first aspect of the present invention, since spray gun mounting hole is suitable for sealing Install that gun barrel outer diameter is identical and a variety of spray guns that gun barrel internal diameter is different.It is thereby possible to select gun barrel outer diameter is identical and internal diameter is different Plurality of specifications spray gun be sealingly mounted in the spray gun mounting hole of transparent bottom convertor, by the different spray gun of selection internal diameter, favorably Change the gas flow size that spray gun sprays into gas into transparent bottom convertor, when experiment convenient for the change and experiment of experiment condition Operation.
The bottom convertor water model experimental provision of embodiment according to a first aspect of the present invention can reproduce the production of melting bottom convertor Process carrys out contrast number emulation by technological parameters such as adjustable different technical parameters, such as gun slot internal diameter with this As a result, and guiding actual production.
One embodiment according to a first aspect of the present invention, the spray gun mounting hole be threaded hole, the spray gun it is described Gun barrel be equipped with external screw thread, the spray gun by the external screw thread be threadedly coupled with the threaded hole cooperate be fixed on it is described transparent On bottom convertor.
One embodiment according to a first aspect of the present invention, the bottom of the transparent bottom convertor are arc.
Some embodiments according to a first aspect of the present invention, the spray gun mounting hole have multiple, multiple spray chamber installations Make arranged radially around the bottom of the transparent bottom convertor in hole.
Further embodiment according to a first aspect of the present invention, the center line of the spray gun mounting hole is relative to described transparent The angle of the vertical centerline of the radial cutting plane of bottom convertor is 0~90 °.
Further embodiment, the angle are 0~22.5 ° according to a first aspect of the present invention.
Some embodiments according to a first aspect of the present invention, the spray gun mounting hole have multiple, multiple gun hole edges The length extending direction of the transparent bottom convertor arranges.
Some embodiments according to a first aspect of the present invention, further include raw material band, and the raw material band is tightly connected the spray In gap between the hole wall of rifle mounting hole and the gun barrel.
Some embodiments according to a first aspect of the present invention, the transparent bottom convertor are perspex transparent bottom convertor.
Some embodiments according to a first aspect of the present invention, the air supply system include compressed air source unit and tracheae, the gas Pipe one end connects the compressed air source unit, and the other end connects the spray gun.
Further embodiment according to a first aspect of the present invention, the air supply system further include gas pressure maintaining valve and gas stream Meter, the gas pressure maintaining valve and the gas flowmeter are arranged on the tracheae, and the gas pressure maintaining valve is located at the gas Between source device and the gas flowmeter.
The bottom convertor water model experimental method of embodiment according to a second aspect of the present invention is appointed using in first aspect present invention The bottom convertor water model experimental provision of one embodiment of anticipating, includes the following steps:
Water and machine oil are added into the transparent bottom convertor;
The air supply system is opened, the pressure and flow of regulating gas make to reach stable confession in the transparent bottom convertor Gaseity;
Focus in the transparent bottom convertor is inserted into conductivity measuring instrument to detect the variation of focus conductivity;
It is added electrolyte solution into the transparent bottom convertor, observes the variation of focus conductivity, when stable conductivity Stop experiment, obtains experimental result.
Change experiment condition, repeat the above steps, obtains serial experiment result.
The bottom convertor water model experimental method of embodiment according to a second aspect of the present invention can be simulated in melting bottom convertor and be melted Body mixing time can reproduce melting bottom convertor production process, pass through adjustable different technical parameters, such as gun slot internal diameter The technological parameters such as size, the angle of spray gun, the position of spray gun, gas pressure, gas flow carry out contrast number emulation knot with this Fruit and guides actual production.
The bottom convertor water model experimental method of embodiment according to a third aspect of the present invention is appointed using in first aspect present invention The bottom convertor water model experimental provision of one embodiment of anticipating, includes the following steps:
Water and machine oil are added into the transparent bottom convertor;
The air supply system is opened, the pressure and flow of regulating gas make to reach stable confession in the transparent bottom convertor Gaseity;
The bubble motion form of different parts and gas in the transparent bottom convertor is shot with high-speed camera to stir liquid It mixes;
Change experiment condition, repeat the above steps, obtains serial experiment result.
The bottom convertor water model experimental method of embodiment according to a third aspect of the present invention, can simulate in melting bottom convertor not Bubble motion form and gas with position can reproduce melting bottom convertor production process, by adjustable to melt stirring state Different technical parameters of section, such as gun slot internal diameter, the angle of spray gun, the position of spray gun, gas pressure, gas flow etc. Technological parameter carrys out contrast number simulation result with this, and guides actual production.
The bottom convertor water model experimental method of embodiment according to a fourth aspect of the present invention is appointed using in first aspect present invention The bottom convertor water model experimental provision of one embodiment of anticipating, includes the following steps:
Water and machine oil are added into the transparent bottom convertor;
The air supply system is opened, the pressure and flow of regulating gas make to reach stable confession in the transparent bottom convertor Gaseity;
Suitable trace particle is added into the transparent bottom convertor, and mixes a period of time;
The movement rate of different cross section tracer grain and side in the transparent bottom convertor are shot with PIV particle image velocimeter To;
Change experiment condition, repeat the above steps, obtains serial experiment result.
The bottom convertor water model experimental method of embodiment according to a fourth aspect of the present invention can be simulated in melting bottom convertor and be melted The movement rate of body and direction can reproduce melting bottom convertor production process, by adjustable different technical parameters, such as spray The technological parameters such as muzzle internal diameter, the angle of spray gun, the position of spray gun, gas pressure, gas flow, carry out contrast number with this Simulation result and guides actual production.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of transparent bottom convertor of structure of the bottom convertor water model experimental provision of first aspect present invention embodiment End view.
Fig. 2 is a kind of transparent bottom convertor of structure of the bottom convertor water model experimental provision of first aspect present invention embodiment Side schematic view.
Fig. 3 is the transparent bottom blowing of another structure of the bottom convertor water model experimental provision of first aspect present invention embodiment The end view of furnace.
Fig. 4 is the transparent bottom blowing of another structure of the bottom convertor water model experimental provision of first aspect present invention embodiment The side schematic view of furnace.
Fig. 5 is the schematic diagram of the air supply system of the bottom convertor water model experimental provision of first aspect present invention embodiment.
Fig. 6 is certain experimental phenomena schematic diagram of the bottom convertor water model experimental method of third aspect present invention embodiment.
Appended drawing reference
Transparent 11 (11 ') spray gun mounting hole 12 (12 ') of bottom convertor 1 (1 ') flue
Spray gun 2
32 gas flowmeter of air supply system 3 compressed air source unit, 31 gas pressure maintaining valve, 33 tracheae 34
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
The invention belongs to field of experiment equipment, due to being intuitively to observe in furnace in melting bottom convertor actual production The flow regime of melt, therefore melting is reproduced using the bottom convertor water model experimental provision of first aspect present invention embodiment Bottom convertor production process and guides actual production by Experimental comparison's Numerical Simulation Results.
The bottom convertor water model experimental provision of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1 to Fig. 5.
As shown in Figs. 1-5, the bottom convertor water model experimental provision of embodiment, including clear bottom according to a first aspect of the present invention Blown converter 1 (1 ') and air supply system 3.Wherein, the top of transparent bottom convertor 1 (1 ') is equipped with flue 11 (11 '), transparent bottom convertor 1 The bottom of (1 ') is equipped with spray gun mounting hole 12 (12 '), and spray gun mounting hole 12 (12 ') is suitable for sealing installation gun barrel outer diameter is identical and rifle The different a variety of spray guns 2 of bore;Air supply system 3 is connected with spray gun 2, to spray into gas to transparent bottom convertor 1 (1 ') by spray gun 2 Body.
Specifically, the transparent bottom convertor 1 (1 ') of the embodiment of the present invention, it can be according to the melting bottom convertor of actual use Dimensions scale downward is simultaneously made of transparent material, convenient for observing and shooting the experimental phenomena in transparent bottom convertor 1 (1 ').
The top of transparent bottom convertor 1 (1 ') is equipped with flue 11 (11 '), and the bottom of transparent bottom convertor 1 (1 ') is pacified equipped with spray gun Fill hole 12 (12 '), spray gun mounting hole 12 (12 ') be suitable for sealing installation gun barrel outer diameter is identical and a variety of spray guns that gun barrel internal diameter is different 2.Thus, it is possible to select gun barrel outer diameter identical and plurality of specifications spray gun 2 that internal diameter is different is sealingly mounted at transparent bottom convertor 1 (1 ') Spray gun mounting hole 12 (12 ') in, by the different spray gun 2 of selection internal diameter, be conducive to change when experiment spray gun 2 to transparent bottom blowing The gas flow size of gas is sprayed into furnace 1 (1 '), convenient for the change and experimental implementation of experiment condition.
Air supply system 3 is connected with spray gun 2, to spray into gas to transparent bottom convertor 1 (1 ') by spray gun 2.It tests as a result, When, air supply system 3 can spray into gas to transparent bottom convertor 1 (1 ') by spray gun 2.
The bottom convertor water model experimental provision of embodiment according to a first aspect of the present invention, due to spray gun mounting hole 12 (12 ') Suitable for sealing that installation gun barrel outer diameter is identical and a variety of spray guns 2 that gun barrel internal diameter is different.It is thereby possible to select gun barrel outer diameter it is identical and The different plurality of specifications spray gun 2 of internal diameter is sealingly mounted in the spray gun mounting hole 12 (12 ') of transparent bottom convertor 1 (1 '), passes through choosing The different spray gun 2 of internal diameter is selected, is conducive to change the gas flow that spray gun 2 sprays into gas into transparent bottom convertor 1 (1 ') when experiment Size, convenient for the change and experimental implementation of experiment condition.
The bottom convertor water model experimental provision of embodiment according to a first aspect of the present invention can reproduce the production of melting bottom convertor It is imitative to carry out contrast number with this by technological parameters such as adjustable different technical parameters, such as 2 mouthfuls of internal diameters of spray gun for process Very as a result, and guiding actual production.
One embodiment according to a first aspect of the present invention, spray gun mounting hole 12 (12 ') are threaded hole, the gun barrel of spray gun 2 It is equipped with external screw thread, spray gun 2 is threadedly coupled cooperation with threaded hole by external screw thread and is fixed on transparent bottom convertor 1 (1 ').As a result, Spray gun 2 is connected through a screw thread the bottom for being mounted on transparent bottom convertor 1 (1 '), and installing and dismounting is easy to operate, can install outside gun barrel Diameter is identical and a variety of spray guns 2 that gun barrel internal diameter is different.
The bottom of one embodiment according to a first aspect of the present invention, transparent bottom convertor 1 (1 ') is arc, such as can be The shapes such as semicircular arc or ellipse arc.
Some embodiments according to a first aspect of the present invention, spray gun mounting hole 12 (12 ') have multiple, multiple spray chamber mounting holes Make arranged radially in bottom around transparent bottom convertor 1 (1 ').Thus, it is possible to make multiple spray gun mounting holes 12 (12 ') transparent The specific location of bottom convertor 1 (1 ') bottom and angle are different, therefore, can be according to experiment condition needs, such as based on 2 jiaos of spray gun The variation of degree and position selects different spray gun mounting holes 12 (12 ') to install.And the spray gun mounting hole 12 for not installing spray gun 2 (12 ') can be blocked with plug or lid.
Further embodiment according to a first aspect of the present invention, the center line of spray gun mounting hole 12 (12 ') is relative to transparent The angle of the vertical centerline of the radial cutting plane of bottom convertor 1 (1 ') is 0~90 °.Thus, it is possible to make multiple spray gun mounting holes Specific location and angle of 12 (12 ') in transparent bottom convertor 1 (1 ') bottom are different, in the present embodiment, spray gun 2 based on transparent The vertical centerline of the radial cutting plane of bottom convertor 1 (1 ') is benchmark line, and specific location and angle can be within the scope of 0~90 ° It is needed to change selection according to experiment condition.
Further embodiment, angle are 0~22.5 ° according to a first aspect of the present invention.Thus, it is possible to make multiple sprays Specific location and angle difference, in the present embodiment, spray gun 2 of the rifle mounting hole 12 (12 ') in transparent bottom convertor 1 (1 ') bottom The vertical centerline of radial cutting plane based on transparent bottom convertor 1 (1 ') is benchmark line, specific location and angle can 0~ It is needed to change selection according to experiment condition within the scope of 22.5 °.
Some embodiments according to a first aspect of the present invention, spray gun mounting hole 12 (12 ') have multiple, multiple 2 hole edges of spray gun The length extending direction of transparent bottom convertor 1 (1 ') arranges.Thus, it is possible to make multiple spray gun mounting holes 12 (12 ') in clear bottom The position in the elongatedness direction of blown converter 1 (1 ') bottom is different, therefore, can be according to experiment condition needs, such as based on spray gun 2 The variation set selects different spray gun mounting holes 12 (12 ') to install.And the spray gun mounting hole 12 (12 ') for not installing spray gun 2, It can be blocked with plug or lid.
Some embodiments according to a first aspect of the present invention, further include raw material band (not shown), and raw material band sealing connects It connects in the gap between the hole wall and gun barrel of spray gun mounting hole 12 (12 ').Thus, it is possible to avoid in transparent bottom convertor 1 (1 ') Liquid leakage.
Some embodiments according to a first aspect of the present invention, transparent bottom convertor 1 (1 ') are perspex transparent bottom furnace.When So, in other examples, transparent bottom convertor 1 (1 ') can also be made of transparent plastic.
Some embodiments according to a first aspect of the present invention, air supply system 3 include compressed air source unit 31 and tracheae 34, tracheae 34 One end connects compressed air source unit 31, and the other end connects spray gun 2.Specifically, compressed air source unit 31 can use high pressure gas cylinder or pneumatics Machine realizes that tracheae 34 can use high pressure resistant hose.Gas can be conveyed to spray gun 2 from compressed air source unit 31 by tracheae 34.
Further embodiment according to a first aspect of the present invention, air supply system 3 further include gas pressure maintaining valve 32 and gas stream Meter 33, gas pressure maintaining valve 32 and gas flowmeter 33 are arranged on tracheae 34, gas pressure maintaining valve 32 be located at compressed air source unit 31 and Between gas flowmeter 33.Specifically, gas pressure maintaining valve 32 can be realized using pressure reducing valve or electronic valve, gas flowmeter 33 It can be realized using spinner flowmeter, mass flowmenter or electronic flowmeter.By gas pressure stabilizing meter in compressed air source unit 31 High pressure gas carry out decompression adjusting, by be arranged gas flowmeter 33 facilitate adjust spray gun 2 gas flow.
The bottom convertor water model experimental method of embodiment according to a second aspect of the present invention is appointed using in first aspect present invention The bottom convertor water model experimental provision of one embodiment of anticipating, includes the following steps:
S1: to addition water and machine oil in transparent bottom convertor 1 (1 '), wherein water is for simulating liquid copper matte regulus or blister copper, machine Oil is for simulating clinker;
S2: opening air supply system 3, and the pressure and flow of regulating gas make to reach stable confession in transparent bottom convertor 1 (1 ') Gaseity, wherein the gas in air supply system 3 uses compressed air, and compressed air, which is used to simulate, is blown gas in melting bottom convertor Body;
S3: the focus in transparent bottom convertor 1 (1 ') is inserted into conductivity measuring instrument to detect the change of focus conductivity Change;
S4: electrolyte solution being added into transparent bottom convertor 1 (1 '), observes the variation of focus conductivity, and conductivity is steady Timing stops experiment, experimental result is obtained, thus, it is possible to simulate melt mixing time in melting bottom convertor.
S5: changing experiment condition, repeat the above steps, and obtains serial experiment result.As a result, by changing experiment condition, Such as the technological parameters such as 2 mouthfuls of internal diameters of spray gun, the angle of spray gun 2, the position of spray gun 2, gas pressure, gas flow, with this It compares vertical simulation result, and guides actual production.
The bottom convertor water model experimental method of embodiment according to a second aspect of the present invention can be simulated in melting bottom convertor and be melted Body mixing time can reproduce melting bottom convertor production process, by adjustable different technical parameters, such as 2 mouthfuls of spray gun The technological parameters such as diameter size, the angle of spray gun 2, the position of spray gun 2, gas pressure, gas flow carry out contrast number emulation with this As a result, and guiding actual production.
The bottom convertor water model experimental method of embodiment according to a third aspect of the present invention is appointed using in first aspect present invention The bottom convertor water model experimental provision of one embodiment of anticipating, includes the following steps:
S11: to water and machine oil are added in transparent bottom convertor 1 (1 '), wherein water be for simulating liquid copper matte regulus or blister copper, Machine oil is for simulating clinker;
S12: opening air supply system 3, and the pressure and flow of regulating gas make to reach stable in transparent bottom convertor 1 (1 ') For gaseity, wherein the gas in air supply system 3 uses compressed air, and compressed air is used to simulate blowing in melting bottom convertor Gas;
S13: the bubble motion form and gas for shooting the transparent interior different parts of bottom convertor 1 (1 ') with high-speed camera are to liquid Body stirring state;
S14: changing experiment condition, repeat the above steps, and obtains serial experiment result.
The bottom convertor water model experimental method of embodiment according to a third aspect of the present invention, can simulate in melting bottom convertor not Bubble motion form and gas with position is to melt stirring state (as shown in fig. 6, certain tests obtained result), Ke Yizai Existing melting bottom convertor production process, passes through adjustable different technical parameters, such as the angle of 2 mouthfuls of internal diameters of spray gun, spray gun 2 The technological parameters such as degree, the position of spray gun 2, gas pressure, gas flow, carry out contrast number simulation result with this, and guide reality Production.
The bottom convertor water model experimental method of embodiment according to a fourth aspect of the present invention is appointed using in first aspect present invention The bottom convertor water model experimental provision of one embodiment of anticipating, includes the following steps:
S21: to water and machine oil are added in transparent bottom convertor 1 (1 '), wherein water be for simulating liquid copper matte regulus or blister copper, Machine oil is for simulating clinker;
S22: opening air supply system 3, and the pressure and flow of regulating gas make to reach stable in transparent bottom convertor 1 (1 ') For gaseity, wherein the gas in air supply system 3 uses compressed air, and compressed air is used to simulate blowing in melting bottom convertor Gas;
S23: suitable trace particle being added into transparent bottom convertor 1 (1 '), and mixes a period of time;
S24: the movement rate of the transparent interior different cross section tracer grain of bottom convertor 1 (1 ') is shot with PIV particle image velocimeter The direction and;
S25: changing experiment condition, repeat the above steps, and obtains serial experiment result.
The bottom convertor water model experimental method of embodiment according to a fourth aspect of the present invention can be simulated in melting bottom convertor and be melted The movement rate of body and direction can reproduce melting bottom convertor production process, by adjustable different technical parameters, such as spray The technological parameters such as 2 mouthfuls of internal diameters of rifle, the angle of spray gun 2, the position of spray gun 2, gas pressure, gas flow are compared with this Numerical Simulation Results and guide actual production.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this The range of invention is defined by the claims and their equivalents.

Claims (14)

1. a kind of bottom convertor water model experimental provision characterized by comprising
Transparent bottom convertor, the top of the transparent bottom convertor are equipped with flue, and the bottom of the transparent bottom convertor is installed equipped with spray gun Hole, the spray gun mounting hole be suitable for sealing installation gun barrel outer diameter is identical and a variety of spray guns that gun barrel internal diameter is different;
Air supply system, the air supply system are connected with the spray gun, to spray into gas to the transparent bottom convertor by the spray gun Body.
2. bottom convertor water model experimental provision according to claim 1, which is characterized in that the spray gun mounting hole is screw thread Hole, the gun barrel of the spray gun are equipped with external screw thread, and the spray gun is threadedly coupled by the external screw thread with the threaded hole Cooperation is fixed on the transparent bottom convertor.
3. bottom convertor water model experimental provision according to claim 1, which is characterized in that the bottom of the transparent bottom convertor For arc.
4. bottom convertor water model experimental provision according to claim 1 to 3, which is characterized in that the spray gun mounting hole has more A, multiple spray chamber mounting holes make arranged radially around the bottom of the transparent bottom convertor.
5. bottom convertor water model experimental provision according to claim 4, which is characterized in that the center of the spray gun mounting hole Line is 0~90 ° relative to the angle of the vertical centerline of the radial cutting plane of the transparent bottom convertor.
6. bottom convertor water model experimental provision according to claim 5, which is characterized in that the angle is 0~22.5 °.
7. bottom convertor water model experimental provision according to claim 1 to 3, which is characterized in that the spray gun mounting hole has more A, multiple gun holes are arranged along the length extending direction of the transparent bottom convertor.
8. bottom convertor water model experimental provision according to claim 1 to 3, which is characterized in that it further include raw material band, it is described Raw material band is tightly connected in the gap between the hole wall and the gun barrel of the spray gun mounting hole.
9. bottom convertor water model experimental provision according to claim 1 to 3, which is characterized in that the transparent bottom convertor is to have Machine glass transparent bottom convertor.
10. bottom convertor water model experimental provision according to claim 1 to 3, which is characterized in that the air supply system includes Compressed air source unit and tracheae, described tracheae one end connect the compressed air source unit, and the other end connects the spray gun.
11. bottom convertor water model experimental provision according to claim 10, which is characterized in that the air supply system further includes Gas pressure maintaining valve and gas flowmeter, the gas pressure maintaining valve and the gas flowmeter are arranged on the tracheae, the gas Body pressure maintaining valve is between the compressed air source unit and the gas flowmeter.
12. a kind of bottom convertor water model experimental method, which is characterized in that using bottom blowing described in any one of claim 1-11 Furnace water model experimental provision, includes the following steps:
Water and machine oil are added into the transparent bottom convertor;
The air supply system is opened, the pressure and flow of regulating gas make to reach stable for vaporous in the transparent bottom convertor State;
Focus in the transparent bottom convertor is inserted into conductivity measuring instrument to detect the variation of focus conductivity;
It is added electrolyte solution into the transparent bottom convertor, observes the variation of focus conductivity, when stable conductivity stops Experiment obtains experimental result.
Change experiment condition, repeat the above steps, obtains serial experiment result.
13. a kind of bottom convertor water model experimental method, which is characterized in that using bottom blowing described in any one of claim 1-11 Furnace water model experimental provision, includes the following steps:
Water and machine oil are added into the transparent bottom convertor;
The air supply system is opened, the pressure and flow of regulating gas make to reach stable for vaporous in the transparent bottom convertor State;
The bubble motion form of different parts and gas are shot in the transparent bottom convertor to liquid agitation with high-speed camera;
Change experiment condition, repeat the above steps, obtains serial experiment result.
14. a kind of bottom convertor water model experimental method, which is characterized in that using bottom blowing described in any one of claim 1-11 Furnace water model experimental provision, includes the following steps:
Water and machine oil are added into the transparent bottom convertor;
The air supply system is opened, the pressure and flow of regulating gas make to reach stable for vaporous in the transparent bottom convertor State;
Suitable trace particle is added into the transparent bottom convertor, and mixes a period of time;
The movement rate of different cross section tracer grain and direction in the transparent bottom convertor are shot with PIV particle image velocimeter;
Change experiment condition, repeat the above steps, obtains serial experiment result.
CN201910125437.0A 2019-02-20 2019-02-20 Bottom convertor water model experimental provision and bottom convertor water model experimental method Pending CN109801549A (en)

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CN102778131A (en) * 2012-08-03 2012-11-14 北京科技大学 Device and method for water model experimental simulation of converting furnace
CN102879153A (en) * 2012-09-21 2013-01-16 湖南中工矿业工程技术有限公司 Special experimental detection device for spray guns
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JP2018024898A (en) * 2016-08-08 2018-02-15 株式会社神戸製鋼所 Dephosphorization method of molten pig iron excellent in dephosphorization efficiency and iron content yield
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CN113532795A (en) * 2021-07-19 2021-10-22 江西理工大学 Kaldo furnace hydraulics experimental apparatus
CN113532795B (en) * 2021-07-19 2023-05-05 江西理工大学 Caldol stove hydraulics experimental apparatus

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