CN210464060U - Device for inputting low-density solid particles into high-density metal liquid - Google Patents
Device for inputting low-density solid particles into high-density metal liquid Download PDFInfo
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- CN210464060U CN210464060U CN201921558046.XU CN201921558046U CN210464060U CN 210464060 U CN210464060 U CN 210464060U CN 201921558046 U CN201921558046 U CN 201921558046U CN 210464060 U CN210464060 U CN 210464060U
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- compressed air
- pipe
- branch pipe
- solid particles
- metal liquid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model discloses a device for inputting high-density metal liquid by low-density solid particles, which comprises a storage bin and a refining furnace, wherein the top of the storage bin is provided with a feed hopper, the bottom of the storage bin is contracted into a conical part, the bottom of the conical part is provided with a discharge port, and the device also comprises a star-shaped feeder, a three-way mixing pipe, a compressed air header pipe and a conveying pipe; the outer wall of the conical part is provided with a vibrator; the mixing pipe is used for inputting materials and compressed air in the bin and sending the mixture to the bottom of the refining furnace through the conveying pipe. The utility model discloses can the effective control low density solid particle's flow to combine compressed air directly to send the solid particle of low density into the stove bottom, fully with the metal liquid in sink in the impurity at the stove bottom and take place the reaction, the solid particle come-up process fully reacts or absorbs with the impurity in the metal liquid, has solved the problem that high density impurity is difficult to get rid of. The conveying pipe is movable, so that solid particles can be uniformly put into the furnace, the utilization rate of the solid particles is high, and the impurity removal effect is good.
Description
Technical Field
The utility model relates to a metal refining device especially relates to a device of high density metal liquid is imported to low density solid particle.
Background
The copper pyrometallurgy is a process of pyrometallurgy to produce pyrometallurgy copper by removing impurities such as sulfur, iron, lead, zinc, nickel, arsenic, antimony, tin, magnesium and oxygen in mineral crude copper and secondary copper under the condition of melting and high temperature.
Slagging is an essential part in the steel-making and iron-making process. The impurities in the steel are reduced in steel making and iron making, and the impurities are separated and enter the molten slag, and the impurities float on the molten steel due to the light specific gravity of the molten slag and are easy to remove. In addition, the slag can protect the molten steel from being directly contacted with the atmosphere. Slagging is the addition of steel making materials, such as calcium fluoride or calcium oxide, called particulates, such as slag formers, to the steel making process to form a slag.
Steel differs from iron in the amount of impurities it contains, reducing the carbon content, and also the sulfur, phosphorus, etc. content of the steel during the steelmaking process, which requires their elimination as slag by "slagging".
The tradition adds the granule and all adopts artifical spade or the fork truck of repacking directly to adding in the refining furnace, is the molten metal such as copper liquid, molten steel etc. in the refining furnace, and we here take the copper liquid as an example, and the defect that exists is: 1. the density of the added solid particles is lower than that of the copper liquid, the solid particles can directly float on the surface of the copper liquid and contact with the copper liquid to react by the rolling of the copper liquid, and the speed is lower; 2. the added particles can not be uniformly distributed in the whole furnace at almost one place or a local place, and are uniformly stirred by a compressed air pipe, so the speed is low and the utilization rate is low. In general, we refer herein to solid particles such as slag formers, reducing agents, additives, and the like.
Disclosure of Invention
An object of the utility model is to provide a solve above-mentioned problem, can effectively make solid particle and copper liquid reaction, add that solid particle is even, reaction rate is fast, the high-density metal liquid's of low density solid particle input device of high-usage.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a device for inputting high-density metal liquid by low-density solid particles comprises a storage bin and a refining furnace, wherein the top of the storage bin is provided with a feed hopper, the bottom of the storage bin is contracted into a conical part, the bottom of the conical part is provided with a discharge port, the bottom of the feed hopper is provided with a feed valve for controlling the flow of materials, the bottom of the discharge port is provided with a discharge valve for controlling the flow of materials, and the device further comprises a star-shaped feeder, a three-way mixing pipe, a compressed air main pipe and a feed conveying pipe;
the outer wall of the conical part is provided with a vibrator for vibrating the conical part;
the mixing pipe comprises a straight pipe section and a branch pipe section perpendicular to the straight pipe section;
the branch pipe section is connected with the discharge gate of feed bin through star batcher for the material in the input feed bin, straight tube section one end is through high-pressure hose connection compressed air house steward for input compressed air, and the straight tube section other end is through high-pressure hose connection conveying pipeline, the conveying pipeline level sets up, and one end is connected with the straight tube section of hybrid tube, and one end stretches into the refining furnace to bottom in the refining furnace is buckled downwards, and the conveying pipeline below is equipped with the gyro wheel car that drives its motion.
Preferably, the method comprises the following steps: the compressed air main pipe is used for connecting an air compressor, the other end of the compressed air main pipe is connected with a first compressed air branch pipe and a second compressed air branch pipe through a tee joint, the first compressed air branch pipe is used for connecting a straight pipe section, the second compressed air branch pipe is connected with a third compressed air branch pipe and a fourth compressed air branch pipe through a tee joint, the third compressed air branch pipe is communicated with the stock bin, an air inlet valve is arranged on the compressed air main pipe, the second compressed air branch pipe and the fourth compressed air branch pipe, a pressure gauge is arranged on the compressed air main pipe and the stock bin, and a safety valve is further arranged on.
Preferably, the method comprises the following steps: and a window for observing the material flow is arranged between the discharge port and the star-shaped feeder.
Preferably, the method comprises the following steps: the high-pressure hose is a high-pressure rubber tube or a wear-resistant sand blasting tube.
Preferably, the method comprises the following steps: and a refractory material layer is coated on the surface of the delivery pipe.
The utility model is used for in importing the solid particle of low density into the metal liquid of high density, wherein, the solid particle of low density is slagging constituent, reductant, additive etc. and the density is the solid particle or the powder of 0.5-3 g/cm3, for example quartz sand, lime. High density metal liquid refers to a metal liquid having a density greater than 2.5g/cm 3. Such as molten copper, molten steel, etc.
The utility model discloses a theory of operation does: solid particles such as a slagging agent enter the mixing pipe through the feed hopper, the storage bin, the conical part of the storage bin and the star-shaped feeder in sequence, compressed air enters the mixing pipe through the compressed air main pipe, the flowing of the compressed air drives the solid particles to enter the conveying pipe through the high-pressure hose, the conveying pipe is inserted into the bottom of the refining furnace, the solid particles are brought into the bottom of the refining furnace to react with high-density impurities at the bottom of the metal liquid, and the solid particles naturally float upwards after being conveyed into the furnace bottom because the density of the solid particles is smaller than that of the metal liquid, and can fully react with or absorb the impurities melted in the metal liquid in the floating process, so that the purpose of removing the impurities is achieved.
Compared with the prior art, the utility model has the advantages of: the device for inputting the high-density metal liquid by the low-density solid particles is mainly used for refining metals with the density of more than 2.5g/cm3, such as copper, steel and the like, but is not limited to the above, and has the following advantages:
1. the flow of the solid particles with low density can be effectively controlled, the solid particles with low density are directly sent to the bottom of the furnace by combining with compressed air, and fully react with impurities deposited at the bottom of the furnace in the metal liquid, so that the problem that the impurities with high density are difficult to remove is solved.
2. The density of solid particles is smaller than that of the metal liquid, the solid particles naturally float upwards after being sent to the furnace bottom, and the solid particles can fully react with or absorb impurities melted in the metal liquid in the floating process, so that the aim of effectively removing the impurities is fulfilled.
3. The conveying pipe is movable, so that solid particles can be uniformly put into the furnace, the utilization rate of the solid particles is high, the impurity removal effect is good, the surface of the conveying pipe is coated with a refractory material layer, the refractory material layer cannot react with high-temperature metal liquid, the service life is long, and the conveying pipe is not easy to damage.
4. Through the design of compressed gas house steward and many compressed gas branch pipes, make the utility model discloses have the function to feed bin pressurization, pressure release.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partially enlarged view of the conical part connected to the mixing pipe by the star feeder.
In the figure: 1. a storage bin; 2. a refining furnace; 3. a feed hopper; 4. a conical section; 5. a feed valve; 6. a discharge valve; 7. a star-shaped feeder; 8. a mixing tube; 9. a compressed air main; 10. a delivery pipe; 11. a vibrator; 12. a high pressure hose; 13. a roller vehicle; 14. a first compressed air branch pipe; 15. a second compressed air branch pipe; 16. a third compressed air branch pipe; 17. a fourth compressed air branch pipe; 18. an intake valve; 19. a pressure gauge; 20. a safety valve; 21. a viewing window.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1: referring to fig. 1 and 2, a device for inputting high-density metal liquid by low-density solid particles comprises a storage bin 1 and a refining furnace 2, wherein a feed hopper 3 is arranged at the top of the storage bin 1, the bottom of the storage bin is contracted into a conical part 4, a discharge hole is arranged at the bottom of the conical part 4, a feed valve 5 for controlling the flow of materials is arranged at the bottom of the feed hopper 3, a discharge valve 6 for controlling the flow of materials is arranged at the bottom of the discharge hole, and the device further comprises a star-shaped feeder 7, a three-way mixing pipe 8, a compressed air main pipe 9 and a feed delivery pipe 10;
the outer wall of the conical part 4 is provided with a vibrator 11 for vibrating the conical part 4;
the mixing pipe 8 comprises a straight pipe section and a branch pipe section perpendicular to the straight pipe section;
the branch pipe section is connected with a discharge port of the bin 1 through a star-shaped feeder 7 and is used for inputting materials in the bin 1, one end of the straight pipe section is connected with a compressed air main pipe 9 through a high-pressure hose 12 and is used for inputting compressed air, the other end of the straight pipe section is connected with a conveying pipe 10 through the high-pressure hose 12, the conveying pipe 10 is horizontally arranged, one end of the conveying pipe is connected with the straight pipe section of the mixing pipe 8, and the other end of the conveying pipe extends into the refining furnace and is bent downwards to the bottom in the refining; a roller vehicle 13 for driving the conveying pipe 10 to move is arranged below the conveying pipe.
In this embodiment: the compressed air main pipe 9 one end is used for connecting air compressor, the other end is through tee junction first compressed air branch pipe 14, second compressed air branch pipe 15, first compressed air branch pipe 14 is used for connecting the straight tube section, second compressed air branch pipe 15 is through tee junction third compressed air branch pipe 16 and fourth compressed air branch pipe 17, wherein third compressed air branch pipe 16 communicates feed bin 1, and be equipped with admission valve 18 on compressed air main pipe 9, second compressed air branch pipe 15, the fourth compressed air branch pipe 17, be equipped with manometer 19 on compressed air main pipe 9, the feed bin 1, still be equipped with relief valve 20 on the feed bin 1.
A window 21 for observing the material flow is arranged between the discharge port and the star-shaped feeder 7.
The high-pressure hose 12 is a high-pressure rubber tube or a wear-resistant sand blasting tube. Generally, the high-pressure hose 12 located in front of the mixing pipe only passes through high-pressure gas, so a high-pressure rubber pipe is selected, and the high-pressure hose 12 behind the mixing pipe contains solid particles, can adopt a high-pressure rubber pipe, and can also adopt a wear-resistant sand blasting pipe with better wear resistance.
The surface of the material conveying pipe 10 is coated with a refractory material layer. The refractory material layer is made of 70-75% of alumina and 20-25% of silicon dioxide. Although not limited thereto.
And the utility model discloses in, feeder hopper 3 department is equipped with feed valve 5, discharge gate department is equipped with bleeder valve 6, all is used for controlling the material flow, and the purpose of window 21 is used for observing whether there is the material whereabouts.
The vibrator 11 can be pneumatic or electric, and aims to destroy the accumulation of materials at the conical part 4 to form a repose angle and avoid the accumulation of the materials.
Compressed air house steward 9 is used for connecting air compressor, inputs compressed air, and compressed air can drive the material and get into the refining furnace, and the one side pressurizes for feed bin 1, is favorable to the better entering into mixing tube 8 of material.
In order to uniformly throw solid particles into the molten metal, a roller carriage 13 is provided under the feed pipe 10 to drive the feed pipe 10 to move so that one end inserted into the refining furnace can move. However, the material delivery pipe 10 is connected to the mixing pipe 8 through the high pressure hose 12 for more flexible and convenient movement, and the other end of the mixing pipe 8 is provided for inputting high pressure air, so the high pressure hose 12 is also provided for flexible connection to the air compressor.
Except the compressed air main pipe 9, first compressed air branch pipe 14, second compressed air branch pipe 15, third compressed air branch pipe 16, fourth compressed air branch pipe 17 have still been subdivided, wherein, first compressed air branch pipe 14 is used for inputing high-pressure gas to mixing pipe 8, second compressed air branch pipe 15 is used for dividing the pipeline of the same kind into two the tunnel, connect third, fourth compressed air branch pipe 17 respectively, third compressed air branch pipe 16 is used for inputing high-pressure gas to feed bin 1, because the setting mode of admission valve 18, this structure has functions such as pressurization, pressure release, for example: when the inlet valve 18 of the second compressed air branch 15 is open and the inlet valve 18 of the fourth compressed air branch 17 is closed, the pressure in the silo 1 is applied, and when the inlet valve 18 of the second compressed air branch 15 is closed and the inlet valve 18 of the fourth compressed air branch 17 is open, the pressure in the silo 1 is released.
The compressed air main pipe 9 and the storage bin 1 are both provided with a pressure gauge 19 for timely displaying the pressure value at the setting position, and the supervision is convenient.
The utility model discloses in, it has two purposes to use compressed air: firstly, solid particles can be well fed into a refining furnace; and secondly, oxygen in the compressed air is utilized to react with impurities to produce oxides, so that the purposes of impurity removal and purification are achieved. The compressed air is not limited to air, and may be a gas such as nitrogen or natural gas.
The utility model discloses an operating method and principle are, according to the mode of figure 1 and figure 2 earlier, build the utility model discloses device structure.
Then, assume that this example is used for refining of secondary copper, in which the added solid particles are slag former, the metal liquid is copper liquid, and the density is 7.76-8.3 g/cm 3. Calculate the flow of slagging constituent, compressed air's pressure according to actual need, will the utility model discloses connect compressed air, the size of adjustment admission valve 18, the size of adjustment feed valve 5 and bleeder valve 6 inserts the conveying pipeline 10 in the copper liquid.
The slag former is added at the feed hopper 3, the slag former enters the mixing pipe 8 through the hopper, the feed bin 1, the conical part 4 of the feed bin 1 and the star-shaped feeder 7 in sequence, the compressed air enters the mixing pipe 8 through the compressed air main pipe 9, the slag former is mixed with the compressed air, enters the bottom in the refining furnace 2, reacts with high-density impurities at the bottom of the copper liquid, floats upwards again, and can fully react with or absorb the impurities fused in the copper liquid in the floating process.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a device of low density solid particle input high density metal liquid, includes feed bin (1), scouring furnace (2), feed bin (1) top is equipped with feeder hopper (3), and the bottom shrinks into a circular cone portion (4), circular cone portion (4) bottom is equipped with the discharge gate, and feeder hopper (3) bottom is equipped with feed valve (5) of control material flow, and the discharge gate bottom is equipped with bleeder valve (6) of control material flow, its characterized in that: the device also comprises a star-shaped feeder (7), a three-way mixing pipe (8), a compressed air main pipe (9) and a material conveying pipe (10);
the outer wall of the conical part (4) is provided with a vibrator (11) for vibrating the conical part (4);
the mixing pipe (8) comprises a straight pipe section and a branch pipe section perpendicular to the straight pipe section;
the branch pipe section is connected the discharge gate of feed bin (1) through star batcher (7) for input material in feed bin (1), straight tube section one end is connected compressed air house steward (9) through high-pressure hose (12) for input compressed air, and the straight tube section other end is connected conveying pipeline (10) through high-pressure hose (12), conveying pipeline (10) level sets up, and one end is connected with the straight tube section of hybrid tube (8), and one end stretches into the refining furnace to bottom in buckling to the refining furnace downwards, conveying pipeline (10) below is equipped with gyro wheel car (13) that drives its motion.
2. The apparatus for delivering low density solid particles into a high density metal liquid as claimed in claim 1, wherein: compressed air main (9) one end is used for connecting air compressor, the other end is through tee junction first compressed air branch pipe (14), second compressed air branch pipe (15), first compressed air branch pipe (14) are used for connecting the straight tube section, second compressed air branch pipe (15) are through tee junction third compressed air branch pipe (16) and fourth compressed air branch pipe (17), wherein third compressed air branch pipe (16) intercommunication feed bin (1), and compressed air main (9), second compressed air branch pipe (15), be equipped with admission valve (18) on fourth compressed air branch pipe (17), compressed air main (9), be equipped with manometer (19) on feed bin (1), still be equipped with relief valve (20) on feed bin (1).
3. The apparatus for delivering low density solid particles into a high density metal liquid as claimed in claim 1, wherein: a window (21) for observing the material flow is arranged between the discharge port and the star-shaped feeder (7).
4. The apparatus for delivering low density solid particles into a high density metal liquid as claimed in claim 1, wherein: the high-pressure hose (12) is a high-pressure rubber pipe or a wear-resistant sand blasting pipe.
5. The apparatus for delivering low density solid particles into a high density metal liquid as claimed in claim 1, wherein: the surface of the material conveying pipe (10) is coated with a refractory material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558046.XU CN210464060U (en) | 2019-09-19 | 2019-09-19 | Device for inputting low-density solid particles into high-density metal liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558046.XU CN210464060U (en) | 2019-09-19 | 2019-09-19 | Device for inputting low-density solid particles into high-density metal liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210464060U true CN210464060U (en) | 2020-05-05 |
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ID=70432846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921558046.XU Expired - Fee Related CN210464060U (en) | 2019-09-19 | 2019-09-19 | Device for inputting low-density solid particles into high-density metal liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210464060U (en) |
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2019
- 2019-09-19 CN CN201921558046.XU patent/CN210464060U/en not_active Expired - Fee Related
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Granted publication date: 20200505 |