CN209947263U - Water model experimental device of bottom blowing furnace - Google Patents
Water model experimental device of bottom blowing furnace Download PDFInfo
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- CN209947263U CN209947263U CN201920215193.0U CN201920215193U CN209947263U CN 209947263 U CN209947263 U CN 209947263U CN 201920215193 U CN201920215193 U CN 201920215193U CN 209947263 U CN209947263 U CN 209947263U
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Abstract
The utility model discloses a bottom blowing furnace water model experimental device, which comprises a transparent bottom blowing furnace and an air supply system, wherein the top of the transparent bottom blowing furnace is provided with a flue, the bottom of the transparent bottom blowing furnace is provided with a spray gun mounting hole, and the spray gun mounting hole is suitable for sealing and mounting a plurality of spray guns with the same gun barrel outer diameter and different gun barrel inner diameters; and the gas supply system is connected with the spray gun so as to spray gas into the transparent bottom blowing furnace through the spray gun. The experimental device can reproduce the production process of the smelting bottom-blowing furnace, and spray guns with the same outer diameter and different inner diameters can be selected according to experimental needs, so that numerical simulation results are compared, and actual production is guided.
Description
Technical Field
The utility model relates to a bottom blowing stove experimental facilities technical field especially relates to a bottom blowing stove water model experimental apparatus.
Background
The smelting bottom-blowing furnace is lead-smelting copper-smelting equipment commonly used in China at present, and the importance of the smelting bottom-blowing furnace can be seen. The bottom blowing technology can improve the stirring of a molten pool, thereby shortening the gas-liquid reaction time and improving the production efficiency.
One of the core points of the smelting bottom blowing technology is how to effectively adjust and control the stirring strength of a molten pool in a furnace. The research on the structures of the oxygen lance and the bottom blowing gas supply and the like is carried out according to the determined tonnage and the furnace type of the smelting bottom blowing furnace, so that the smelting bottom blowing furnace achieves the best metallurgical effect, the uniform mixing time of a molten pool is shortened, and the technical advantages of smelting bottom blowing smelting or converting are fully exerted. The above object can be achieved by carrying out physical simulation hydraulic simulation research and auxiliary numerical simulation on the smelting bottom-blowing furnace.
However, the existing bottom-blowing furnace water model has a single nozzle hole, especially the size of the nozzle hole, and the operation is complicated by changing the nozzle parameters such as the diameter and the inner diameter. The existing bottom blowing furnace water model furnace body is used for carrying out experiments, the experimental method is single, and only a common camera can be used for photographing or recording.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a bottom blowing stove water model experimental apparatus can reappear the smelting bottom blowing stove production process through the experiment, can select the same and different spray gun of internal diameter of external diameter according to the experiment needs to this contrast numerical simulation result to guide actual production.
According to the utility model discloses bottom blowing stove water model experimental apparatus of first aspect embodiment, include:
the top of the transparent bottom blowing furnace is provided with a flue, the bottom of the transparent bottom blowing furnace is provided with a spray gun mounting hole, and the spray gun mounting hole is suitable for hermetically mounting various spray guns with the same gun barrel outer diameter and different gun barrel inner diameters;
and the gas supply system is connected with the spray gun so as to spray gas into the transparent bottom blowing furnace through the spray gun.
According to the utility model discloses bottom blowing stove water model experimental apparatus of first aspect embodiment because the spray gun mounting hole is suitable for the same and different multiple spray gun of barrel internal diameter of sealed installation barrel external diameter. Therefore, the spray guns with the same outer diameter and different inner diameters of the gun barrel can be selected to be arranged in the spray gun mounting holes of the transparent bottom blowing furnace in a sealing mode, the spray guns with different inner diameters are selected, the gas flow of gas sprayed into the transparent bottom blowing furnace by the spray guns is changed when the experiment is facilitated, and the change of experiment conditions and the experiment operation are facilitated.
According to the utility model discloses bottom blowing stove water model experimental apparatus of first aspect embodiment can reappear melting bottom blowing stove production process, through adjustable different technological parameter, for example technological parameter such as spray gun mouth internal diameter size to this contrast numerical simulation result to guide actual production.
According to the utility model discloses an embodiment of the first aspect, the spray gun mounting hole is the screw hole, the spray gun be equipped with the external screw thread on the barrel, the spray gun passes through the external screw thread with screw hole threaded connection cooperation is fixed on the transparent end blowing stove.
According to an embodiment of the first aspect of the present invention, the bottom of the transparent bottom blowing furnace is arc-shaped.
According to some embodiments of the first aspect of the present invention, the lance mounting holes are a plurality of radially arranged around the bottom of the transparent bottom blowing furnace.
According to a further embodiment of the first aspect, the included angle of the center line of the lance mounting hole with respect to the vertical center line of the radial cutting plane of the transparent bottom blowing furnace is 0-90 °.
According to a still further embodiment of the first aspect of the present invention, the included angle is 0 ~ 22.5 °.
According to some embodiments of the first aspect of the present invention, the lance mounting hole is a plurality of, and a plurality of, the lance holes are arranged along a length extending direction of the transparent bottom blowing furnace.
According to some embodiments of the first aspect of the present invention, the spray gun further comprises a raw material tape, the raw material tape is hermetically connected to the hole wall of the spray gun mounting hole and the gap between the gun barrels.
According to some embodiments of the first aspect of the present invention, the transparent bottom blowing furnace is an organic glass transparent bottom blowing furnace.
According to some embodiments of the first aspect of the present invention, the gas supply system comprises a gas source device and a gas pipe, wherein one end of the gas pipe is connected to the gas source device and the other end is connected to the spray gun.
According to the utility model discloses the further embodiment of first aspect, gas supply system still includes gaseous surge damping valve and gas flowmeter, gaseous surge damping valve with gas flowmeter sets up on the trachea, gaseous surge damping valve is located the air supply unit with between the gas flowmeter.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic end view of a transparent bottom-blowing furnace with a structure of a bottom-blowing furnace water model experimental device in an embodiment of the first aspect of the present invention.
Fig. 2 is a schematic side view of a transparent bottom-blowing furnace with a structure of a bottom-blowing furnace water model experimental device according to an embodiment of the first aspect of the present invention.
Fig. 3 is a schematic end view of a transparent bottom-blowing furnace with another structure of a water model experimental device of the bottom-blowing furnace according to an embodiment of the first aspect of the present invention.
FIG. 4 is a schematic side view of a transparent bottom-blowing furnace with another structure of a water model experimental facility of the bottom-blowing furnace according to an embodiment of the first aspect of the present invention.
Fig. 5 is a schematic diagram of an air supply system of a bottom blowing furnace water model experimental device according to an embodiment of the first aspect of the present invention.
FIG. 6 is a schematic view of a certain experimental phenomenon of the experimental method of the bottom-blowing furnace water model according to the embodiment of the third aspect of the present invention.
Reference numerals
Transparent bottom-blowing furnace 1(1 ') flue 11(11 ') spray gun mounting hole 12(12 ')
Spray gun 2
Gas supply system 3 gas source device 31 gas pressure stabilizing valve 32 gas flowmeter 33 gas pipe 34
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
The utility model belongs to the experimental facilities field owing to be the mobile state of unable visual observation stove internal melt in smelting bottom blowing stove actual production, consequently adopts the utility model discloses bottom blowing stove water model experimental apparatus of the first aspect embodiment comes reappear the smelting bottom blowing stove production process, through experiment contrast numerical simulation result to guide actual production.
A bottom-blowing furnace water model experimental apparatus according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 5.
As shown in fig. 1-5, the bottom-blowing furnace water model experimental device according to the embodiment of the first aspect of the present invention comprises a transparent bottom-blowing furnace 1 (1') and a gas supply system 3. Wherein, the top of the transparent bottom blowing furnace 1(1 ') is provided with a flue 11(11 '), the bottom of the transparent bottom blowing furnace 1(1 ') is provided with a spray gun mounting hole 12(12 '), and the spray gun mounting hole 12(12 ') is suitable for sealing and mounting various spray guns 2 with the same gun barrel outer diameter and different gun barrel inner diameters; the gas supply system 3 is connected to the lance 2 to inject gas into the transparent bottom-blowing furnace 1 (1') through the lance 2.
Particularly, the utility model discloses transparent end blowing stove 1(1 ') can be according to the size of the smelting end blowing stove of in-service use reduces in proportion and adopts the transparent material preparation, is convenient for observe and shoot the experimental phenomenon in transparent end blowing stove 1 (1').
The top of the transparent bottom blowing furnace 1(1 ') is provided with a flue 11(11 '), the bottom of the transparent bottom blowing furnace 1(1 ') is provided with a spray gun mounting hole 12(12 '), and the spray gun mounting hole 12(12 ') is suitable for sealing and mounting various spray guns 2 with the same gun barrel outer diameter and different gun barrel inner diameters. Therefore, the spray guns 2 with the same gun barrel outer diameter and different inner diameters can be selected to be arranged in the spray gun mounting holes 12(12 ') of the transparent bottom blowing furnace 1(1 ') in a sealing mode, the spray guns 2 with different inner diameters are selected, the gas flow of gas sprayed into the transparent bottom blowing furnace 1(1 ') by the spray guns 2 can be changed during experiments, and the change of experimental conditions and the experiment operation are facilitated.
The gas supply system 3 is connected to the lance 2 to inject gas into the transparent bottom-blowing furnace 1 (1') through the lance 2. Thus, in the experiment, the gas supply system 3 can inject gas into the transparent bottom-blowing furnace 1 (1') through the lance 2.
According to the bottom blowing furnace water model experimental device of the embodiment of the first aspect of the utility model, the spray gun mounting holes 12 (12') are suitable for sealing and mounting a plurality of spray guns 2 with the same gun barrel outer diameter and different gun barrel inner diameters. Therefore, the spray guns 2 with the same outer diameter and different inner diameters of the gun pipes can be selected to be hermetically installed in the spray gun installation holes 12(12 ') of the transparent bottom blowing furnace 1(1 '), and the spray guns 2 with different inner diameters are selected, so that the gas flow of gas sprayed into the transparent bottom blowing furnace 1(1 ') by the spray guns 2 can be changed during experiments, and the change of experimental conditions and the experiment operation are facilitated.
According to the utility model discloses bottom blowing stove water model experimental apparatus of first aspect embodiment can reappear the smelting bottom blowing stove production process, through adjustable different technological parameter, for example technological parameter such as 2 mouth internal diameter sizes of spray gun to this contrast numerical simulation result to guide actual production.
According to an embodiment of the first aspect of the present invention, the lance mounting hole 12(12 ') is a threaded hole, an external thread is provided on the barrel of the lance 2, and the lance 2 is fixed on the transparent bottom blowing furnace 1 (1') through the cooperation of the external thread and the threaded hole. Therefore, the spray gun 2 is installed at the bottom of the transparent bottom blowing furnace 1 (1') through threaded connection, the installation and disassembly operation are convenient, and various spray guns 2 with the same gun barrel outer diameter and different gun barrel inner diameters can be installed.
According to an embodiment of the first aspect of the present invention, the bottom of the transparent bottom-blowing furnace 1 (1') is arc-shaped, for example, may be in the shape of a semi-circular arc or an elliptical arc.
According to some embodiments of the first aspect of the present invention, the plurality of lance mounting holes 12(12 ') are arranged radially around the bottom of the transparent bottom-blowing furnace 1 (1'). Thereby, the specific positions and angles of the plurality of lance mounting holes 12(12 ') at the bottom of the transparent bottom-blowing furnace 1(1 ') can be made different, and therefore, different lance mounting holes 12(12 ') can be selected for mounting according to experimental condition requirements, for example, based on the change of the angles and positions of the lances 2. And the spray gun mounting hole 12 (12') where the spray gun 2 is not mounted can be blocked by a plug or a cover.
According to a further embodiment of the first aspect of the present invention, the angle of the centre line of the lance mounting hole 12(12 ') is 0-90 ° relative to the vertical centre line of the radial cutting plane of the transparent bottom-blowing furnace 1 (1'). Therefore, specific positions and angles of the plurality of lance mounting holes 12(12 ') at the bottom of the transparent bottom-blowing furnace 1(1 ') can be different, in the embodiment, a vertical center line of the lance 2 based on a radial section of the transparent bottom-blowing furnace 1(1 ') is a reference line, and the specific positions and angles can be selected within the range of 0-90 degrees according to experimental condition needs.
According to the utility model discloses the first aspect is further embodiment again, and the contained angle is 0 ~ 22.5. Therefore, specific positions and angles of the plurality of lance mounting holes 12(12 ') at the bottom of the transparent bottom-blowing furnace 1(1 ') can be different, in the embodiment, a vertical center line of the lance 2 based on a radial section of the transparent bottom-blowing furnace 1(1 ') is taken as a reference line, and the specific positions and angles can be selected within the range of 0-22.5 degrees according to experimental condition needs.
According to some embodiments of the first aspect of the present invention, the plurality of lance mounting holes 12(12 ') are arranged along the length extension direction of the transparent bottom blowing furnace 1 (1'). Accordingly, since the positions of the plurality of lance mounting holes 12(12 ') in the extension direction of the bottom of the transparent bottom-blowing furnace 1(1 ') can be made different, different lance mounting holes 12(12 ') can be selected and mounted according to the experimental condition requirements, for example, based on the change of the position of the lance 2. And the spray gun mounting hole 12 (12') where the spray gun 2 is not mounted can be blocked by a plug or a cover.
According to some embodiments of the first aspect of the present invention, the gun barrel further comprises a raw material tape (not shown in the figure) which is hermetically connected to the gap between the hole wall of the gun mounting hole 12 (12') and the gun barrel. Thereby, liquid leakage in the transparent bottom-blowing furnace 1 (1') can be avoided.
According to some embodiments of the first aspect of the present invention, the transparent bottom blowing furnace 1 (1') is an organic glass transparent bottom furnace. Of course, in other embodiments, the transparent bottom-blowing furnace 1 (1') may also be made of transparent plastic.
According to some embodiments of the first aspect of the present invention, the gas supply system 3 comprises a gas source device 31 and a gas pipe 34, wherein one end of the gas pipe 34 is connected to the gas source device 31, and the other end is connected to the spray gun 2. Specifically, the air source device 31 may be implemented by a high-pressure air cylinder or an air compressor, and the air pipe 34 may be implemented by a high-pressure-resistant hose. Gas can be supplied from the gas supply 31 to the lance 2 via a gas line 34.
According to the utility model discloses the further embodiment of first aspect, gas supply system 3 still includes gaseous surge damping valve 32 and gas flowmeter 33, and gaseous surge damping valve 32 and gas flowmeter 33 set up on trachea 34, and gaseous surge damping valve 32 is located between air supply unit 31 and the gas flowmeter 33. Specifically, the gas pressure maintaining valve 32 may be implemented by a pressure reducing valve or an electronic valve, and the gas flow meter 33 may be implemented by a rotameter, a mass flow meter, or an electronic flow meter. The high-pressure gas in the gas source device 31 is subjected to pressure reduction regulation by a gas pressure regulator, and the gas flow of the spray gun 2 is conveniently regulated by arranging a gas flow meter 33.
According to the utility model discloses bottom blowing stove water model experimental method of second aspect embodiment uses the utility model discloses bottom blowing stove water model experimental apparatus of arbitrary one embodiment in the first aspect, include following step:
s1: adding water and engine oil into a transparent bottom blowing furnace 1 (1'), wherein the water is used for simulating liquid copper matte or crude copper, and the engine oil is used for simulating slag;
s2: starting an air supply system 3, and adjusting the pressure and the flow of air to enable the interior of the transparent bottom blowing furnace 1 (1') to achieve a stable air supply state, wherein the air in the air supply system 3 adopts compressed air which is used for simulating the blowing air in the smelting bottom blowing furnace;
s3: inserting a conductivity meter at a point of interest in the transparent bottom-blowing furnace 1 (1') to detect a change in conductivity at the point of interest;
s4: and adding an electrolyte solution into the transparent bottom blowing furnace 1 (1'), observing the change of the conductivity of the concerned point, stopping the experiment when the conductivity is stable, and obtaining an experiment result, thereby simulating the melt blending time in the smelting bottom blowing furnace.
S5: changing the experimental conditions, repeating the steps and obtaining a series of experimental results. Therefore, the vertical simulation result is compared and the actual production is guided by changing the experimental conditions, such as the inner diameter size of the opening of the spray gun 2, the angle of the spray gun 2, the position of the spray gun 2, the gas pressure, the gas flow and other process parameters.
According to the utility model discloses bottom-blowing furnace water model experimental method of the second aspect embodiment can simulate and smelt the interior fuse-element mixing time of bottom-blowing furnace, can reappear and smelt bottom-blowing furnace production process, through adjustable different technological parameters, for example 2 mouth internal diameter sizes of spray gun, 2 angles of spray gun, 2 positions of spray gun, gas pressure, technological parameters such as gas flow to this contrast numerical simulation result, and guide actual production.
According to the utility model discloses bottom blowing stove water model experimental method of third aspect embodiment uses the utility model discloses bottom blowing stove water model experimental apparatus of arbitrary one embodiment in the first aspect, include following step:
s11: adding water and engine oil into a transparent bottom blowing furnace 1 (1'), wherein the water is used for simulating liquid copper matte or crude copper, and the engine oil is used for simulating slag;
s12: starting an air supply system 3, and adjusting the pressure and the flow of air to enable the interior of the transparent bottom blowing furnace 1 (1') to achieve a stable air supply state, wherein the air in the air supply system 3 adopts compressed air which is used for simulating the blowing air in the smelting bottom blowing furnace;
s13: shooting the movement forms of bubbles at different parts in the transparent bottom blowing furnace 1 (1') and the stirring condition of gas to liquid by using a high-speed camera;
s14: changing the experimental conditions, repeating the steps and obtaining a series of experimental results.
According to the utility model discloses bottom-blowing furnace water model experimental method of third aspect embodiment can simulate and smelt the bubble motion form and the gaseous melt stirring condition (as shown in fig. 6, the result that the experiment of a certain time obtained) of different positions in the bottom-blowing furnace, can reappear the smelting bottom-blowing furnace production process, through adjustable different technological parameter, for example 2 mouth internal diameter of spray gun size, spray gun 2's angle, spray gun 2's position, gas pressure, technological parameter such as gas flow to this contrast numerical simulation result, and guide actual production.
According to the utility model discloses bottom blowing stove water model experimental method of fourth aspect embodiment uses the utility model discloses bottom blowing stove water model experimental apparatus of arbitrary one embodiment in the first aspect, include following step:
s21: adding water and engine oil into a transparent bottom blowing furnace 1 (1'), wherein the water is used for simulating liquid copper matte or crude copper, and the engine oil is used for simulating slag;
s22: starting an air supply system 3, and adjusting the pressure and the flow of air to enable the interior of the transparent bottom blowing furnace 1 (1') to achieve a stable air supply state, wherein the air in the air supply system 3 adopts compressed air which is used for simulating the blowing air in the smelting bottom blowing furnace;
s23: adding a proper amount of tracer particles into the transparent bottom blowing furnace 1 (1'), and uniformly mixing for a period of time;
s24: shooting the movement speed and direction of tracer particles with different sections in the transparent bottom-blowing furnace 1 (1') by using a PIV particle image velocimeter;
s25: changing the experimental conditions, repeating the steps and obtaining a series of experimental results.
According to the utility model discloses bottom-blowing furnace water model experimental method of fourth aspect embodiment can simulate the rate of motion and the direction of smelting the interior fuse-element of bottom-blowing furnace, can reappear and smelt bottom-blowing furnace production process, through adjustable different technological parameters, for example 2 internal diameter of spray gun sizes, 2 angles of spray gun, 2 positions of spray gun, gas pressure, technological parameters such as gas flow of spray gun to this contrast numerical simulation result, and guide actual production.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. The utility model provides a bottom blowing stove water model experimental apparatus which characterized in that includes:
the top of the transparent bottom blowing furnace is provided with a flue, the bottom of the transparent bottom blowing furnace is provided with a spray gun mounting hole, and the spray gun mounting hole is suitable for hermetically mounting various spray guns with the same gun barrel outer diameter and different gun barrel inner diameters;
and the gas supply system is connected with the spray gun so as to spray gas into the transparent bottom blowing furnace through the spray gun.
2. The bottom-blowing furnace water model experimental device as claimed in claim 1, wherein the lance mounting hole is a threaded hole, the barrel of the lance is provided with an external thread, and the lance is fixed on the transparent bottom-blowing furnace through threaded connection and matching of the external thread and the threaded hole.
3. The bottom-blowing furnace water model experimental device as claimed in claim 1, wherein the bottom of the transparent bottom-blowing furnace is arc-shaped.
4. The bottom-blowing furnace water model experimental device as claimed in any one of claims 1 to 3, wherein the plurality of lance mounting holes are arranged radially around the bottom of the transparent bottom-blowing furnace.
5. The bottom-blowing furnace water model experimental device as claimed in claim 4, wherein the included angle of the central line of the lance mounting hole relative to the vertical central line of the radial section plane of the transparent bottom-blowing furnace is 0-90 °.
6. The bottom-blowing furnace water model experimental device as claimed in claim 5, wherein the included angle is 0-22.5 °.
7. The bottom-blowing furnace water model experimental device as claimed in any one of claims 1 to 3, wherein a plurality of the lance mounting holes are arranged along a length extension direction of the transparent bottom-blowing furnace.
8. The bottom-blowing furnace water model experimental device as claimed in any one of claims 1 to 3, further comprising a raw material tape, wherein the raw material tape is hermetically connected in a gap between the hole wall of the lance mounting hole and the lance tube.
9. The bottom-blowing furnace water model experimental device as claimed in any one of claims 1 to 3, wherein the transparent bottom-blowing furnace is an organic glass transparent bottom-blowing furnace.
10. The bottom-blowing furnace water model experimental device as claimed in any one of claims 1 to 3, wherein the gas supply system comprises a gas source device and a gas pipe, one end of the gas pipe is connected with the gas source device, and the other end of the gas pipe is connected with the spray gun.
11. The bottom-blowing furnace water model experimental device as recited in claim 10, wherein the gas supply system further comprises a gas pressure maintaining valve and a gas flow meter, the gas pressure maintaining valve and the gas flow meter are arranged on the gas pipe, and the gas pressure maintaining valve is located between the gas source device and the gas flow meter.
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| CN201920215193.0U CN209947263U (en) | 2019-02-20 | 2019-02-20 | Water model experimental device of bottom blowing furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109801549A (en) * | 2019-02-20 | 2019-05-24 | 中国恩菲工程技术有限公司 | Bottom convertor water model experimental provision and bottom convertor water model experimental method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109801549A (en) * | 2019-02-20 | 2019-05-24 | 中国恩菲工程技术有限公司 | Bottom convertor water model experimental provision and bottom convertor water model experimental method |
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