阅读说明：本技术 节能无水无油金属钠铸钠生产方法及生产系统 (Energy-saving anhydrous oil-free metal sodium cast sodium production method and production system ) 是由 乌那日苏 贾敏 宋皓 王震宇 王文灿 葛鹏 王敏 段丽红 于 2021-08-03 设计创作，主要内容包括：本发明涉及节能无水无油金属钠铸钠生产方法及生产系统,该方法包括以下步骤：在无氧气的手套箱内将金属钠铸块切割成钠锭；在所述无氧气的手套箱内包装所述钠锭；该系统包括液态钠冷却成型机、电动牵引机、电动切割机、称重及印码系统、钠块包装系统和手套箱,所述液态钠冷却成型机、电动牵引机、电动切割机、称重及印码系统、钠块包装系统依次置于所述手套箱内。本发明在无氧的手套箱内对金属钠进行切割、包装,可满足小包装金属钠锭的无水无油要求；同时可避免金属钠与空气或油发生反应,利于提升小包装钠锭的品质。(The invention relates to a production method and a production system of energy-saving anhydrous oil-free metal sodium cast sodium, wherein the method comprises the following steps: cutting the metal sodium ingot into sodium ingots in an oxygen-free glove box; packaging the sodium ingot in the oxygen-free glove box; the system comprises a liquid sodium cooling forming machine, an electric tractor, an electric cutting machine, a weighing and code printing system, a sodium block packaging system and a glove box, wherein the liquid sodium cooling forming machine, the electric tractor, the electric cutting machine, the weighing and code printing system and the sodium block packaging system are sequentially arranged in the glove box. The invention cuts and packages the metal sodium in an oxygen-free glove box, and can meet the anhydrous and oil-free requirements of small-package metal sodium ingots; meanwhile, the reaction between the metal sodium and air or oil can be avoided, and the quality of the small-package sodium ingot can be improved.)

1. The energy-saving anhydrous oil-free production method of the metal sodium cast sodium is characterized by comprising the following steps: the method comprises the following steps:

cutting the metal sodium ingot into sodium ingots in an oxygen-free glove box;

and packaging the sodium ingot in the oxygen-free glove box.

2. The energy-saving anhydrous oil-free metal sodium cast sodium production method according to claim 1, characterized in that: casting liquid sodium into the metallic sodium ingot in the oxygen-free glove box.

3. The energy-saving anhydrous oil-free metal sodium cast sodium production method according to claim 2, characterized in that: and cooling and shaping the sodium ingot by adopting a cooling medium which does not react with the liquid sodium.

4. The energy-saving anhydrous oil-free metal sodium cast sodium production method according to claim 2, characterized in that: and introducing inert gas into the glove box to create an oxygen-free environment.

5. Energy-conserving anhydrous oilless metal sodium casts sodium production system, its characterized in that: the device comprises a liquid sodium cooling forming machine, an electric tractor, an electric cutting machine, a sodium block packaging system and a glove box, wherein the liquid sodium cooling forming machine, the electric tractor, the electric cutting machine and the sodium block packaging system are sequentially arranged in the glove box.

6. The energy-saving anhydrous oil-free metal sodium cast sodium production system according to claim 5, characterized in that: the weighing and code printing system is arranged in the glove box and is positioned between the electric cutting machine and the sodium block packaging system.

7. The energy-saving anhydrous oil-free metal sodium cast sodium production system according to claim 6, characterized in that: the sodium block shaping machine is arranged in the glove box and is positioned between the electric cutting machine and the weighing and code printing system.

8. The energy-saving anhydrous oil-free metal sodium cast sodium production system according to claim 5, characterized in that: the glove box is connected with a glove box connected with an inert gas inlet pipe and an inert gas outlet pipe.

9. The energy-saving anhydrous oil-free metal sodium cast sodium production system according to claim 6, characterized in that: the liquid sodium cooling forming machine is connected with a liquid sodium supply system, and the liquid sodium supply system is higher than the glove box.

10. The energy-saving anhydrous oil-free metal sodium cast sodium production system according to claim 6, characterized in that: the liquid sodium cooling forming machine and the electric tractor are both connected with an inert gas inlet pipe and an inert gas outlet pipe.

Technical Field

The invention relates to the technical field of metal sodium production, in particular to a production method and a production system of energy-saving anhydrous oil-free metal sodium cast sodium.

Background

Sodium metal has important applications in industrial production. The current manufacturing process of the metal sodium is generally as follows: and casting the liquid sodium to form an ingot, cutting and packaging the ingot to form a small-package sodium ingot.

However, metal sodium is very reactive due to its chemical properties and is very likely to react with oxygen, water, carbon dioxide, etc. in the air to form some solid impurity compounds; meanwhile, when the ingot is cut, the sodium ingot is generally poured with paraffin oil to ensure that high-temperature sodium is not contacted with air, and reactants of a small amount of oil and sodium are generated in the process, so that the metal sodium often contains impurities and has low purity.

Disclosure of Invention

The application aims to solve the technical problems and provides an energy-saving anhydrous oil-free metal sodium cast sodium production method and a production system.

The application is realized by the following technical scheme:

the energy-saving anhydrous oil-free production method of the metal sodium cast sodium comprises the following steps:

cutting the metal sodium ingot into sodium ingots in an oxygen-free glove box;

and packaging the sodium ingot in the oxygen-free glove box.

Further, liquid sodium is cast into the metal sodium ingot in the oxygen-free glove box.

Further, a medium which does not react with the liquid sodium is adopted to cool and shape the sodium ingot, and then the metal sodium ingot is formed.

Wherein, inert gas is introduced into the glove box to create an anaerobic environment.

Energy-conserving anhydrous oilless metal sodium casts sodium production system, including liquid sodium cooling make-up machine, electric tractor, electric cutting machine, sodium piece packaging system and glove box, liquid sodium cooling make-up machine, electric tractor, electric cutting machine, sodium piece packaging system arrange in proper order in the glove box.

Further, energy-conserving anhydrous oilless metal sodium casts sodium production system still including locating the weighing and sign indicating number system in the glove box, weighing and sign indicating number system are located between electric cutting machine and the sodium piece packaging system.

Furthermore, the energy-saving anhydrous oil-free metal sodium cast sodium production system further comprises a sodium block shaping machine arranged in the glove box, and the sodium block shaping machine is positioned between the electric cutting machine and the weighing and code printing system.

Wherein, the glove box is connected with a glove box connected with an inert gas inlet pipe and an inert gas outlet pipe.

Further, the liquid sodium cooling forming machine is connected with a liquid sodium supply system, and the liquid sodium supply system is higher than the glove box, so that liquid sodium can automatically flow into the liquid sodium cooling forming machine under the action of gravity.

Furthermore, the liquid sodium cooling forming machine and the electric traction machine are both connected with an inert gas inlet pipe and an inert gas outlet pipe.

Compared with the prior art, the method has the following beneficial effects:

the invention cuts and packages the metal sodium in an oxygen-free glove box, and can meet the anhydrous and oil-free requirements of small-package metal sodium ingots; meanwhile, the reaction between the metal sodium and air or oil can be avoided, and the quality of the small-package sodium ingot can be improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.

FIG. 1 is a schematic diagram of an energy-saving anhydrous oil-free metallic sodium cast sodium production system of the present invention;

FIG. 2 is a schematic view of the outer shape of the glove box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, 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. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

In the description of the present invention, it should be noted that the terms "front", "back", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely used for convenience of description and simplification of the description, and do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention discloses a production method of energy-saving anhydrous oil-free metal sodium cast sodium, which comprises the following steps:

s1, casting the liquid sodium to form a metal sodium ingot;

s2, cutting the metal sodium ingot into sodium ingots in an oxygen-free glove box;

s3, packaging the sodium ingot in the oxygen-free glove box.

In another embodiment, step S1 is also performed in an oxygen-free glove box.

In another embodiment, the shaped sodium ingot is cooled using a medium that is non-reactive with liquid sodium.

Wherein, an oxygen-free environment is created by introducing inert gas into the glove box. The type of inert gas may be selected as desired, including but not limited to argon.

The invention discloses an energy-saving anhydrous oil-free metal sodium cast sodium production system based on the energy-saving anhydrous oil-free metal sodium cast sodium production method.

As shown in fig. 1 and 2, the energy-saving anhydrous oil-free metal sodium cast sodium production system disclosed by the invention comprises a liquid sodium cooling forming machine 1, a constant-torque electric tractor 2, an electric cutting machine 3, a sodium block shaping machine 5, a weighing and code printing system 6, a sodium block packaging system 7, a discharging vacuum bin 8 and a glove box 9. The liquid sodium cooling forming machine 1, the fixed torque electric tractor 2, the electric cutting machine 3, the sodium block shaping machine 5, the weighing and code printing system 6 and the sodium block packaging system 7 are sequentially arranged in the glove box 9 from front to back. The discharging vacuum bin 8 is connected with the rear end of the glove box 9.

A buffer area A is cached between the electric cutting machine 3 and the sodium block shaping machine 5, a buffer area B is cached between the sodium block shaping machine 5 and the weighing and code printing system 6, a buffer area C is cached between the weighing and code printing system 6 and the sodium block packaging system 7, and a buffer area D is cached behind the sodium block packaging system 7. The buffer memory D area is positioned between the sodium block packaging system 7 and the discharging vacuum bin 8.

The glove box 9 may alternatively be a positive pressure glove box.

The glove box 9 is connected to an inert gas inlet pipe 92 and an inert gas outlet pipe 93. Specifically, the front end of the glove box 9 is connected to a low-temperature inert gas purification cabinet 94 and an inert gas self-buffer tank 95 through two inert gas inlet pipes 92, the rear end of the glove box 9 is connected to an inert gas outlet pipe 93 and an inert gas inlet pipe 92, the inert gas outlet pipe 93 is used for delivering high-temperature inert gas to the purification cabinet, and the purified inert gas can be delivered into the glove box 9 through the inert gas inlet pipe 92. The circulation of the inert gas can take away the heat in the glove box 9, thereby achieving the effect of cooling; but also can create an anaerobic environment.

The glove box 9 is provided with an oxygen measurement alarm system 91, and when the oxygen content exceeds a preset value, the oxygen measurement alarm system 91 can automatically alarm.

The liquid sodium cooling molding machine 1 is connected to a cooling tank 11 outside the glove box 9 through a cooling medium inlet pipe and a cooling medium outlet pipe. The cooling tank 11 is filled with a cooling medium, in this embodiment kerosene is selected as the cooling medium.

The liquid sodium cooling forming machine 1 comprises an oil pressure driven detachable die. When the liquid sodium cooling device is used, liquid sodium is injected into the oil pressure driven detachable die, and the circulating cooling medium in the die removes phase change heat of the liquid sodium, so that the liquid sodium is cooled and shaped.

In another embodiment, the glove box 9 has a liquid sodium emergency collection box 4 at the bottom, and the liquid sodium emergency collection box 4 is located at the rear side of the electric cutting machine 3.

In another embodiment, the liquid sodium cooling forming machine 1 and the fixed torque electric traction machine 2 are both connected with an air inlet pipe and an air outlet pipe. During production, inert gas can be introduced into the liquid sodium cooling forming machine 1 and the fixed-torque electric traction machine 2 through the air inlet pipe.

The working principle of the invention is as follows:

liquid sodium from the elevated tank is sent into a liquid sodium cooling forming machine 1 through a pipeline, low-temperature kerosene is used for indirectly exchanging heat of cooling liquid sodium in the liquid sodium cooling forming machine 1, so that the liquid sodium generates phase change, solid sodium is produced, the cooled and formed solid sodium is pulled to an electric cutting machine 3 by a fixed-torque electric tractor 2, and the electric cutting machine 3 cuts the solid sodium into sodium ingots;

the sodium ingot after cutting is shaped by a sodium block shaping machine 5, then the shaped sodium ingot is weighed by a weighing and code printing system 6, the sodium ingot meeting the standard is sent to a sodium block packaging system 7 for packaging after code printing, and the packaged sodium ingot is placed in a discharging vacuum bin 8 for waiting for discharging.

The invention carries out a series of operations on the sodium metal under the inert gas protection atmosphere, can avoid the reaction of the sodium metal and air or oil, can meet the anhydrous and oilless requirements of small-package sodium metal ingots, and simultaneously improves the quality of the small-package sodium ingots.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.