CN115950254A - Reaction furnace for preparing alloy containing low-boiling point components and preparation device - Google Patents
Reaction furnace for preparing alloy containing low-boiling point components and preparation device Download PDFInfo
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- CN115950254A CN115950254A CN202211531501.3A CN202211531501A CN115950254A CN 115950254 A CN115950254 A CN 115950254A CN 202211531501 A CN202211531501 A CN 202211531501A CN 115950254 A CN115950254 A CN 115950254A
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Abstract
The invention discloses a reaction furnace and a preparation device for preparing an alloy containing low-boiling point components, which relate to the technical field of non-ferrous metal smelting and comprise a furnace body and a feeding structure, wherein a hearth is arranged in the furnace body, the furnace body is provided with a feeding hole, an exhaust hole and a discharging structure, the feeding hole is communicated with the hearth and is used for conveying other component materials except the low-boiling point components into the hearth, the feeding structure is used for uniformly conveying the low-boiling point component materials into main component materials in the hearth, and the discharging structure is used for discharging the smelted alloy. According to the invention, the low-boiling-point component material is uniformly conveyed to other component materials in the hearth through the feeding structure, so that the low-boiling-point component material and other component materials are more uniformly mixed, and a fine and uniform alloy phase can be obtained.
Description
Technical Field
The invention relates to the technical field of non-ferrous metal smelting, in particular to a reaction furnace and a preparation device for preparing an alloy containing low-boiling point components.
Background
The industry often uses chemical or powder metallurgy methods to prepare an alloy (such as amalgam, zinc-iron, magnesium-iron, etc.) with a component boiling point lower than the main component, which is not only inefficient, but also difficult to obtain a fine and uniform alloy phase, and severely limits the performance research and application of the alloy. Therefore, there is a need for a smelting plant for such alloys that is specific to the alloy.
Disclosure of Invention
The present invention has been made in an effort to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a reaction furnace and a production apparatus for producing an alloy containing a low-boiling point component, which are capable of obtaining a fine and uniform alloy phase.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a reaction furnace for preparing an alloy containing low-boiling point components, which comprises a furnace body and a feeding structure, wherein a hearth is arranged in the furnace body, the feeding structure is used for conveying low-boiling point component materials into the hearth, the furnace body is provided with a feed inlet communicated with the hearth, the reaction furnace comprises the furnace body and the feeding structure, the hearth is arranged in the furnace body, the furnace body is provided with a feed inlet, an exhaust hole and a discharging structure communicated with the hearth, the feed inlet is used for conveying other component materials except the low-boiling point components into the hearth, the feeding structure is used for uniformly conveying the low-boiling point component materials into main component materials in the hearth, and the discharging structure is used for discharging the smelted alloy.
Preferably, the pay-off structure includes air brick and defeated material pipeline, the air brick embedding the bottom of furnace, the one end of defeated material pipeline with the air brick is connected, the other end of defeated material pipeline is used for storing the structure with low boiling point component material and inactive gas storage structure and is connected.
Preferably, the furnace further comprises a stirrer, wherein a stirring structure of the stirrer is positioned in the furnace, and a driving structure of the stirrer is positioned outside the furnace.
Preferably, heating structures are arranged in the hearth and the emptying structure.
Preferably, the discharging structure comprises a discharging pipeline, one end of the discharging pipeline is located at the bottom of the hearth and is communicated with the hearth, and the other end of the discharging pipeline is communicated with the outside of the furnace body.
Preferably, a stopper rod mounting hole is formed in the furnace body and communicated with the furnace chamber, the stopper rod mounting hole corresponds to one end of the discharge pipeline in position, the stopper rod mounting hole is used for placing a stopper rod, and one end of the stopper rod is located in one end of the discharge pipeline.
Preferably, an emergency discharge port is formed in the furnace body, and the emergency discharge port is located at the lower part of the furnace body and is communicated with the hearth; the furnace body is provided with a sampling port, and the sampling port is communicated with the hearth.
The invention also provides a preparation device, which comprises an inactive gas storage structure, a preheater, an evaporator, a smelting furnace and a reaction furnace, wherein the reaction furnace is used for preparing the alloy containing the low-boiling point components, the inactive gas storage structure is used for storing inactive gas, the evaporator is used for heating the low-boiling point components, the smelting furnace is used for smelting main component materials, the inactive gas storage structure is connected with the preheater through a first pipeline, the preheater is connected with the evaporator through a first heat preservation pipeline, the evaporator is connected with the feeding structure of the reaction furnace for preparing the alloy containing the low-boiling point components through a second heat preservation pipeline, the preheater is connected with the feeding structure of the reaction furnace for preparing the alloy containing the low-boiling point components through a third heat preservation pipeline, and the smelting furnace is connected with a feeding hole of the reaction furnace for preparing the alloy containing the low-boiling point components.
Preferably, a heater and a valve are arranged on the first heat preservation pipeline, the second heat preservation pipeline and the third heat preservation pipeline.
Compared with the prior art, the invention has the following technical effects:
according to the invention, the low-boiling-point component material is uniformly conveyed to other component materials in the hearth through the feeding structure, so that the low-boiling-point component material and the other component materials are more uniformly mixed, and a fine and uniform alloy phase can be obtained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a reaction furnace for the preparation of an alloy containing a low boiling point component according to the present invention;
FIG. 2 is a schematic view of a production apparatus of the present invention;
FIG. 3 is a flow chart of a manufacturing method using the manufacturing apparatus of the present invention;
wherein: 100-a reaction furnace for preparing an alloy containing low-boiling point components, 1-a furnace body, 2-a hearth, 3-a feed inlet, 4-an exhaust hole, 5-a sampling port, 6-an emergency discharge port, 7-a gas permeable brick, 8-a material conveying pipeline, 9-a stirrer, 10-a heating structure, 11-a discharge pipeline, 12-a stopper mounting hole, 13-a stopper, 14-an evaporator, 15-a smelting furnace, 16-an inert gas storage structure, 17-a preheater, 18-a first heat preservation pipeline, 19-a second heat preservation pipeline and 20-a third heat preservation pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The present invention has been made in an effort to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a reaction furnace and a production apparatus for producing an alloy containing a low-boiling point component, which are capable of obtaining a fine and uniform alloy phase.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 1: the embodiment provides a reacting furnace 100 for containing alloy preparation of low boiling point component, be used for smelting aluminium amalgam, wherein the melting point of aluminium is higher than the boiling point of mercury, including furnace body 1 and pay-off structure, be provided with furnace 2 in the furnace body 1, furnace body 1 sets up feed inlet 3 with furnace 2 intercommunication, exhaust hole 4 and blowing structure, feed inlet 3 sets up the side top at furnace body 1, feed inlet 3 is used for throwing other components except low boiling point component in 2 to furnace, feed inlet 3 department is provided with sealed lid, for guaranteeing the gas tightness, be in encapsulated situation when not feeding, the pay-off structure is arranged in evenly carrying low boiling point component material (being mercury) in the principal component material to furnace 2, exhaust hole 4 sets up the top at furnace body 1, exhaust hole 4 is used for connecting the exhaust pipeline, be used for discharging unnecessary gas in furnace 2, the blowing structure is used for discharging the alloy after smelting. In this embodiment evenly carries the low boiling point component material to other component materials of furnace 2 through the pay-off structure for low boiling point component material mixes more evenly with other component materials, can obtain meticulous, even alloy phase.
Specifically, in this embodiment, the furnace body 1 includes a steel shell, an insulating layer and a fire-resistant layer from outside to inside, the steel shell is composed of a bearing framework and an outer shell and is used for maintaining the shape of the smelting device and supporting other structures and equipment, the insulating layer is used for preventing the rapid diffusion of heat of the hearth 2, avoiding the over-high temperature of the steel shell and saving energy, and the fire-resistant layer is used for resisting the erosion of high-temperature molten alloy.
In this embodiment, when the feeding structure comprises the air brick 7 and the material conveying pipeline 8, the air brick 7 is embedded into the bottom of the hearth 2, the upper surface of the air brick 7 is flush with the bottom of the hearth 2, the upper surface of the air brick 7 is in contact with the molten alloy, the working temperature of the air brick 7 is not lower than 710 ℃, and the material of the air brick 7 can be selected from materials of air bricks 7Porous ceramics not infiltrated with aluminium, e.g. alumina-based porous ceramics, doped with BaSO 4 、Na 3 AlF 6 、CaSO 4 、CaF 2 、Cr 2 O 3 、Si 3 N 4 、AlF 3 、P 2 O 5 、TiB 2 、SrTiO 3 And the like, silicon carbide, silicon nitride porous ceramics, and the like. The gas permeable brick 7 is required to ensure smooth gas paths on the upper surface and the lower surface thereof and sealed side surfaces, is not soaked with molten alloy and low-boiling-point components in materials and is used for conveying the low-boiling-point components to the hearth 2 by taking inert gas as a carrier, one end of a material conveying pipeline 8 is connected with the lower surface of the gas permeable brick 7, the other end of the material conveying pipeline 8 is used for being connected with a material storage structure of the low-boiling-point components and an inert gas storage structure 16, and the material conveying pipeline 8 is used for conveying the inert gas containing low-boiling-point component steam. The form that this embodiment adopted furnace body 1 bottom to set up air brick 7 lets in the inert gas that contains low boiling point component steam to the major component of molten state, and the material feeding process of this embodiment has been broken up into characteristics such as a large amount of small bubbles by air brick 7 because of throwing the material from furnace 2 bottommost, steam entering molten alloy before for low boiling point component is changeed with other component misce bene, and the volatility loss is less, has improved the utilization ratio of raw and other materials. The activity of the aluminum amalgam in reacting with water can be realized by adjusting the amount of the introduced mercury and controlling the mercury content in the alloy.
In the embodiment, the furnace body further comprises a stirrer 9, a stirrer mounting hole is formed in the furnace body 1, a stirring structure of the stirrer 9 is located in the hearth 2 and is located below the liquid level in the hearth 2, the stirrer 9 is used for stirring molten alloy to uniformly mix all components, the stirrer 9 is composed of a rotor, a bearing, a sealing piece, a flange and a transmission mechanism, the rotor is made of high-temperature-resistant ceramic or graphite, and a driving structure of the stirrer 9 is located on the outer side of the top of the furnace body 1.
In this embodiment, the discharging structure includes a discharging pipeline 11, one end of the discharging pipeline 11 is located at the bottom of the furnace 2 or at the side of the furnace 2 and is communicated with the furnace 2, the other end of the discharging pipeline 11 is a discharging port (aluminum discharging port) and is communicated with the outside of the furnace body 1, and the discharging pipeline 11 is used for outputting the prepared molten alloy for subsequent casting and other purposes.
In this embodiment, stopper rod mounting hole 12 has been seted up at the top of furnace body 1, stopper rod mounting hole 12 communicates with furnace 2, the position of stopper rod mounting hole 12 corresponds with ejection of compact pipeline 11's one end, stopper rod mounting hole 12 is used for placing stopper rod 13, and the one end of stopper rod 13 is located ejection of compact pipeline 11's one end, with ejection of compact pipeline 11's valve component cooperation, a switching for controlling ejection of compact pipeline 11, the other end of stopper rod 13 is used for connecting lifting mechanism, the switch of blowing structure is controlled by stopper rod 13, control stopper rod 13 through lifting mechanism, in order to make things convenient for the blowing.
In this embodiment, heating structures 10 are arranged in the furnace 2 and the discharge pipeline 11 of the discharge structure, the heating structures 10 prevent aluminum amalgam from solidifying in the discharge structure during reaction in the furnace body 1 and discharge, the heating structures 10 of the discharge pipeline 11 are mainly used for intermittent casting, and the movement of the whole furnace body 1 caused by dumping discharge is avoided. The heating structure 10 in the furnace 2 can adopt various modes such as a silicon carbon heating rod, a quartz heating rod, a heating blanket and the like, and the discharging pipeline 11 is provided with the heating structure 10 which can adopt various modes such as a silicon carbon heating rod, a quartz heating rod, a heating blanket, an induction heater and the like. Both heating structures 10 are controlled by temperature feedback and PLC.
In the embodiment, an emergency discharging port 6 is formed in a furnace body 1, the emergency discharging port 6 is opposite to a discharging port, the emergency discharging port 6 is located at the lower part of the furnace body 1 and is communicated with a hearth 2, the emergency discharging port 6 is controlled to be opened and closed by a manual mechanism, and the emergency discharging port 6 is used for emptying molten alloy in the hearth 2 in an emergency condition to prevent the molten alloy from being solidified in the hearth 2 and damaging the hearth 2; the sample connection 5 has been seted up to the top of furnace body 1 or the top of the biggest liquid level in 1 side of furnace body, and sample connection 5 and 2 intercommunications of furnace for sample monitoring component is closed by sealed flap at ordinary times.
The embodiment can realize the mild addition of the low-boiling-point component into the liquid high-boiling-point component, has the potential of single-furnace ton-level, no explosion risk and safe production of the alloy, and solves the problems of easy explosion, extreme danger, easy equipment damage, no quality guarantee and the like in the process of preparing the low-boiling-point component of the alloy. As mercury enters the molten aluminum soup in the form of steam, the whole process is safe and controllable, and the phenomenon of mercury bumping cannot occur. Under the double action of the feeding structure and the stirrer 9, an aluminum amalgam with a more homogeneous composition can be obtained. When exhaust hole 4 is connected with the negative pressure structure, form the low negative pressure design of furnace 2, guaranteed the cyclic utilization of low boiling point component and prevented the polluted environment, more environmental protection and energy saving than traditional malleation design.
Example two
As shown in fig. 2: the embodiment also provides a preparation device, which comprises an inactive gas storage structure 16, a preheater 17, an evaporator 14, a smelting furnace 15 and the reaction furnace 100 for preparing the alloy containing the low-boiling point components in the first embodiment, wherein the inactive gas storage structure 16 is used for storing inactive gas, the evaporator 14 is used for heating the low-boiling point components, the smelting furnace 15 is used for smelting main component materials, the inactive gas storage structure 16 is connected with the preheater 17 through a first pipeline, the preheater 17 is connected with the evaporator 14 through a first heat preservation pipeline 18, the evaporator 14 is connected with a feeding structure of the reaction furnace 100 for preparing the alloy containing the low-boiling point components through a second heat preservation pipeline 19, the preheater 17 is connected with a feeding structure of the reaction furnace 100 for preparing the alloy containing the low-boiling point components through a third heat preservation pipeline 20, and the smelting furnace 15 is connected with the feeding hole 3 of the reaction furnace 100 for preparing the alloy containing the low-boiling point components.
In this embodiment, the first heat-insulating pipeline 18, the second heat-insulating pipeline 19, and the third heat-insulating pipeline 20 are 310S or 316L seamless pipes, which are not limited to the above two materials, wherein the heater for heating the seamless pipes is a cast copper heating ring or a ceramic heating ring, which is not limited to the above two heating rings, and the heater is used to precisely control the temperature above the boiling point of the low-boiling-point component, but not too high, and to transport gaseous mercury by an inert gas, and to transport the gaseous mercury through the second heat-insulating pipeline 19 and the third heat-insulating pipeline 20, so as to ensure that the mercury does not cause an excessively violent phase change reaction (bumping) due to sudden boiling when contacting aluminum water.
In this embodiment, the first heat-preservation pipeline 18, the second heat-preservation pipeline 19 and the third heat-preservation pipeline 20 are all provided with heaters and valves.
In the embodiment, the inert gas is selected as the protective gas, the mercury vapor and the inert gas are introduced into the aluminum soup through the feeding structure, the carried mercury vapor is diffused into the aluminum soup, the diffusion of a large amount of inert gas bubbles can be utilized to improve the mixing uniformity of alloy components while avoiding explosion risks, and hydrogen, impurities and other harmful components in the alloy can be removed through the large amount of inert gas bubbles.
As shown in fig. 3: the embodiment also provides a preparation method of the aluminum amalgam by adopting the preparation device, which comprises the following steps:
step one, building a preparation device;
step two, calculating the required mercury amount according to the mass of the aluminum put into the reaction furnace 100 for preparing the alloy containing the low-boiling point component at one time, and calculating the amount and the flow of the inactive gas required for conveying the mercury according to the requirement of preparation time;
step three, putting weighed aluminum into a smelting furnace 15 for smelting, preheating the reaction furnace 100 for preparing the alloy containing the low-boiling point components by starting a machine according to the time for heating the reaction furnace 100 for preparing the alloy containing the low-boiling point components to a rated temperature (such as 695 +/-15 ℃), and heating a second heat preservation pipeline 19 to 360 +/-40 ℃;
step four, putting the weighed mercury into the evaporator 14, and checking the air tightness of the evaporator 14 to a second heat-preservation pipeline 19 of the reaction furnace 100 for preparing the alloy containing the low-boiling point component;
step five, selecting to start the heaters of the preheater 17 and the third heat-preservation pipeline 20 according to the predicted aluminum conversion time and the time required by temperature rise; when the temperature of the third heat preservation pipeline 20 is raised to 400 +/-40 ℃, a valve of the third heat preservation pipeline 20 leading the inactive gas directly to the reaction furnace 100 for preparing the alloy containing the low boiling point component is opened, the third heat preservation pipeline 20 leading the inactive gas directly to the reaction furnace 100 for preparing the alloy containing the low boiling point component is temporarily closed after air in the third heat preservation pipeline 20 is blown off, and the evaporator 14 is started to heat by selecting according to the predicted material leading time;
sixthly, after the aluminum is melted, removing surface oxidation slag, and transferring the aluminum in the molten state into a reaction furnace 100 for preparing the alloy containing the low-boiling point component;
seventhly, preserving the heat of the transferred molten aluminum in a reaction furnace 100 for preparing the alloy containing the low-boiling point component, so that the internal temperature of the hearth 2 is 35 +/-15 ℃ above the melting point of the aluminum; starting the stirrer 9 to enable the oxidized slag settled at the bottom to float to the surface, then carrying out slag skimming treatment on the surface, and closing the feed inlet 3 after the slag skimming is finished;
step eight, starting the inert gas preheater 17 for heating, simultaneously starting a heater of the first heat preservation pipeline 18 for heating and heat preservation of the first heat preservation pipeline 18, and starting the evaporator 14 for heating mercury;
step nine, after the temperature of the evaporator 14 reaches a rated value, opening an inactive gas to enter a valve of the reaction furnace 100 for preparing the alloy containing the low-boiling point component through a preheater 17, the evaporator 14 and a second heat preservation pipeline 19 through a feeding structure, and conveying mercury to the reaction furnace 100 for preparing the alloy containing the low-boiling point component;
tentatively estimating the aluminum casting starting time and the temperature rising time of the heating structure 10 of the discharging structure, and starting heating the discharging structure by selecting a machine; when the preset feeding time is reached, taking a molten aluminum amalgam sample from a sampling port 5 of a reaction furnace 100 for preparing the alloy containing low-boiling point components, detecting the components in the molten aluminum amalgam sample, and taking the sample once at certain intervals until the mercury content meets the requirement; if the components meet the requirements, the evaporator 14 is stopped from heating, a valve for conveying the inert gas is switched to the open state of the third heat-preservation pipeline 20, and clean and high-temperature inert gas is conveyed for 3-5 minutes;
step eleven, when the temperature of the material placing structure reaches above 660 ℃, emptying the aluminum amalgam prepared in the reaction furnace 100 for preparing the alloy containing the low-boiling point component, and casting and forming.
In this embodiment, the mercury raw material is pure mercury or mercury-containing amalgam; the inert gas is stable at a temperature below 700 ℃ and is not easy to react with aluminum, such as nitrogen, inert gas and the like; the rated working temperatures of the preheater 17, the evaporator 14, the first heat-preservation pipeline 18, the second heat-preservation pipeline 19 and the third heat-preservation pipeline 20 are all set to be above the boiling point of mercury, so that the mercury with sufficient concentration in the first heat-preservation pipeline and the second heat-preservation pipeline 19 is ensured, and the mercury is prevented from being condensed and accumulated in the pipelines in the conveying process.
By adopting the embodiment, the aluminum amalgam with uniform components can be safely prepared in a large quantity; the embodiment is also suitable for preparing the alloy with one component having a melting point higher than the boiling point of the other component by a melting method, and explosion which is very easy to occur in the preparation process is avoided.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A reaction furnace for the production of an alloy containing a low boiling point component, characterized in that: the furnace body is provided with a feed inlet, an exhaust hole and a discharge structure which are communicated with the furnace chamber, the feed inlet is used for conveying other component materials except low-boiling-point components to the furnace chamber, the feed structure is used for uniformly conveying the low-boiling-point components to main component materials in the furnace chamber, and the discharge structure is used for discharging the alloy after smelting.
2. The reaction furnace for the production of an alloy containing a low boiling point component according to claim 1, characterized in that: the feeding structure comprises air bricks and a material conveying pipeline, the air bricks are embedded into the bottom of the hearth, one end of the material conveying pipeline is connected with the air bricks, and the other end of the material conveying pipeline is used for being connected with the low-boiling-point component material storage structure and the inactive gas storage structure.
3. The reaction furnace for the production of an alloy containing a low boiling point component according to claim 1, characterized in that: still include the agitator, the stirring structure of agitator is located in the furnace, the drive structure of agitator is located the outside of furnace.
4. The reaction furnace for alloy production with a low boiling point component according to claim 1, characterized in that: heating structures are arranged in the hearth and the discharging structure.
5. The reaction furnace for alloy production with a low boiling point component according to claim 1, characterized in that: the discharging structure comprises a discharging pipeline, one end of the discharging pipeline is located at the bottom of the hearth and communicated with the hearth, and the other end of the discharging pipeline is communicated with the outside of the furnace body.
6. The reaction furnace for alloy production with a low boiling point component according to claim 5, characterized in that: the furnace body is provided with a stopper mounting hole, the stopper mounting hole is communicated with the furnace chamber, the position of the stopper mounting hole corresponds to one end of the discharge pipeline, the stopper mounting hole is used for placing a stopper, and one end of the stopper is positioned in one end of the discharge pipeline.
7. The reaction furnace for the production of an alloy containing a low boiling point component according to claim 1, characterized in that: an emergency discharge port is formed in the furnace body, is positioned at the lower part of the furnace body and is communicated with the hearth; the furnace body is provided with a sampling port, and the sampling port is communicated with the hearth.
8. A manufacturing apparatus, characterized in that: the low-boiling-point component-containing alloy preparation reaction furnace comprises an inert gas storage structure, a preheater, an evaporator, a smelting furnace and the reaction furnace for low-boiling-point component-containing alloy preparation of any one of claims 1 to 7, wherein the inert gas storage structure is used for storing inert gas, the evaporator is used for heating low-boiling-point component materials, the smelting furnace is used for smelting main component materials, the inert gas storage structure is connected with the preheater through a first pipeline, the preheater is connected with the evaporator through a first heat preservation pipeline, the evaporator is connected with a feeding structure of the reaction furnace for low-boiling-point component-containing alloy preparation through a second heat preservation pipeline, the preheater is connected with a feeding structure of the reaction furnace for low-boiling-point component-containing alloy preparation through a third heat preservation pipeline, and the smelting furnace is connected with a feeding hole of the reaction furnace for low-boiling-point component-containing alloy preparation.
9. The manufacturing apparatus according to claim 8, characterized in that: and the first heat-preservation pipeline, the second heat-preservation pipeline and the third heat-preservation pipeline are respectively provided with a heater and a valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211531501.3A CN115950254A (en) | 2022-12-01 | 2022-12-01 | Reaction furnace for preparing alloy containing low-boiling point components and preparation device |
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| CN202211531501.3A CN115950254A (en) | 2022-12-01 | 2022-12-01 | Reaction furnace for preparing alloy containing low-boiling point components and preparation device |
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