Oxygen production device and method based on silver dissolved oxygen mechanism

Abstract

The present invention relates to the technical field of oxygen production, and discloses an oxygen production device based on the silver dissolved oxygen mechanism, comprising a silver smelting and dissolving oxygen system, an ultrasonic vacuum deoxidation device, a vacuum suction system, a cooling system, an electromagnetic stirring system, and an oxygen storage tank; the silver smelting and dissolving oxygen system comprises a silver smelting induction furnace, the interior of the silver smelting induction furnace being divided into an oxygen dissolving chamber and a deoxidation chamber, the oxygen dissolving chamber and the deoxidation chamber being connected via an opening. The oxygen production device of the present invention utilizes a liquid silver dissolving and releasing oxygen method to produce oxygen, that is, utilizing the property of liquid Ag selectively dissolving and releasing oxygen in the air to separate and extract oxygen from the air, the produced oxygen has high purity, and almost no Ag is lost during the oxygen production process. The cyclic oxygen dissolving and deoxidation process is achieved by the electromagnetic stirring device and the vacuum-ultrasonic deoxidation device, and the oxygen production efficiency is high. During the oxygen production process, the silver induction smelting furnace stabilizes the oxygen production temperature near the melting point of silver (970°C), thereby achieving the purpose of green and efficient oxygen production.

Description

Technical Field

[0001] The present invention relates to the technical field of oxygen production, and in particular to an oxygen production device and method based on a silver-dissolved oxygen mechanism. Background Art

[0002] Oxygen is essential for human survival and an indispensable element for sustainable social development. Oxygen is widely used in industries such as chemical engineering, metallurgy, medicine, aviation, and environmental protection, and its production has become an essential component of the national economy. Faced with the enormous demand for oxygen, research into new oxygen production technologies that meet this high demand, provide high purity, and are environmentally friendly and low-cost are of paramount importance. Currently, there are three main methods for producing oxygen: physical, chemical, and electrochemical. Physical methods primarily include cryogenics, pressure swing adsorption, and membrane separation, all using air as the raw material. Cryogenics uses compressed air to produce oxygen, resulting in high oxygen yields and high purity, but at the expense of high costs, high energy consumption, and a low degree of automation. Pressure swing adsorption offers a simple process and low energy consumption, but also high oxygen content and the tendency of molecular sieves to pulverize. Membrane separation, while simple in structure, also suffers from the vulnerability of membrane elements to damage, resulting in low oxygen purity and a short service life. Chemical methods produce oxygen rapidly and with high purity, but they also come with high costs, complex reaction equipment, poor safety, and the potential for pollution. Electrochemical methods, exemplified by water electrolysis, produce oxygen of high purity and stable performance, but they consume significant power and produce hydrogen, a byproduct that poses a flammable and explosive safety hazard. This review of traditional oxygen production methods, based on various selection criteria and factors, demonstrates that research and development of novel oxygen production technologies to more efficiently and cost-effectively produce high-purity oxygen remains a key development direction for the industry.

[0003] It is well known that silver absorbs large amounts of oxygen in its molten state. At room temperature, silver absorbs almost no oxygen. As the temperature rises, the solubility of oxygen in silver decreases until it melts in air. In the molten state, silver can dissolve more than 20 times its own volume of oxygen, while other gases in the air (N2, H2, CO2, etc.) are insoluble in silver. When liquid silver solidifies, during the liquid-solid phase transition, most of the dissolved oxygen is desorbed in a "breathing" state. The theory of silver dissolved oxygen has been combined with practical application to design an oxygen production device that uses air as the raw material and liquid silver as the medium. This device selectively dissolves oxygen from the atmosphere and releases it at reduced pressure to produce high-purity oxygen, achieving green, high-purity oxygen production. This is of great practical significance and scientific value. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an oxygen production device and method based on the silver dissolved oxygen mechanism.

[0005] In order to achieve the above object, the present invention adopts the following technical scheme: an oxygen production device based on the silver dissolved oxygen mechanism, comprising a silver smelting dissolution and release oxygen system, an ultrasonic vacuum deoxidation device, a vacuum suction system, a cooling system, an electromagnetic stirring system and an oxygen storage tank;

[0006] The silver smelting oxygen dissolution and release system includes a silver smelting induction furnace, the interior of the silver smelting induction furnace is divided into an oxygen dissolving chamber and a deoxidation chamber, the oxygen dissolving chamber and the deoxidation chamber are connected through an opening, the entrance of the oxygen dissolving chamber is open for full contact with the air environment, the top of the deoxidation chamber is sealed and connected to a vacuum suction system, so that the interior of the deoxidation chamber is in a negative pressure state;

[0007] The ultrasonic vacuum deoxidation device includes an ultrasonic signal generator, a transducer and an ultrasonic horn, wherein the ultrasonic signal generator and the transducer are located at the top of the deoxidation chamber, and the ultrasonic horn extends into the interior of the deoxidation chamber;

[0008] The vacuum suction system includes an air cooler and a vacuum pump. The air inlet end of the air cooler is connected to the deoxidation chamber through an exhaust pipe, the exhaust end of the air cooler is connected to the vacuum pump, and the other end of the vacuum pump is connected to the oxygen storage tank for collecting the deoxidized and cooled oxygen into the oxygen storage tank.

[0009] The cooling system includes a cooling tower, a circulating water pump and a compensation water tank, which are used to cool the silver smelting induction furnace, an air cooler and a vacuum pump.

[0010] Preferably, the shell of the silver smelting induction furnace is a double-layer structure, including a furnace shell and a furnace lining, and an electromagnetic induction coil for heating is arranged between the double-layer structure.

[0011] Preferably, the electromagnetic stirring system is composed of an electromagnetic pump, one end of which extends into the oxygen dissolving chamber, and utilizes the generated electromagnetic force to push the liquid silver to move regularly from the oxygen dissolving chamber to the deoxidation chamber.

[0012] Preferably, the water inlet of the cooling tower is connected to the device to be cooled, and the water outlet is connected to the compensation water tank. The circulating water pump is connected to the compensation water tank and transports the cold water flow to the device to be cooled to achieve water recycling. The device to be cooled is a silver smelting induction furnace, an air cooler and a vacuum pump.

[0013] Preferably, the outer surface of the silver smelting induction furnace and the outer surface of the vacuum pump are both provided with water cooling jackets, the liquid inlets of the water cooling jacket and the air cooler are respectively connected to the circulating water pump, and the liquid outlets of the water cooling jacket and the air cooler are respectively connected to the water inlet of the cooling tower.

[0014] Beneficial effects of the present invention:

[0015] The oxygen production device of the present invention utilizes a liquid silver dissolution-release method to produce oxygen. This method utilizes the selective dissolution-release property of liquid silver in air to separate and extract oxygen from the air. The resulting oxygen is highly pure, with virtually no silver loss during the production process. An electromagnetic stirring device and a vacuum-ultrasonic deoxidation unit enable a cyclic oxygen dissolution and deoxidation process, resulting in high oxygen production efficiency. During the production process, the silver induction melting furnace maintains a stable oxygen production temperature near the silver melting point (970°C), achieving environmentally friendly and efficient oxygen production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for use in the description of the specific implementation methods. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 : A three-dimensional diagram of the present invention;

[0018] Figure 2 : Flowchart of the present invention;

[0019] Figure 3 : A partial stereogram of the present invention;

[0020] Figure 4 : A perspective view of the silver smelting induction furnace of the present invention;

[0021] Figure 5 : Partial structure diagram of silver smelting induction furnace in the present invention.

[0022] The reference numerals are as follows:

[0023] 1. Silver smelting induction furnace; 11. Dissolved oxygen chamber; 12. Deoxidation chamber; 13. Opening; 14. Electromagnetic induction coil; 2. Electromagnetic pump; 3. Ultrasonic vacuum deoxidation device; 31. Ultrasonic signal generator; 32. Transducer; 4. Cooling tower; 5. Compensating water tank; 6. Air cooler; 7. Vacuum pump; 8. Oxygen storage tank; 9. Water cooling jacket. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0025] Example:

[0026] like Figure 1-Figure 5As shown, the oxygen production device based on the silver dissolved oxygen mechanism includes a silver smelting and dissolving oxygen system, an ultrasonic vacuum deoxidation device 3, a vacuum suction system, a cooling system, an electromagnetic stirring system and an oxygen storage tank 8;

[0027] The silver smelting oxygen dissolution and release system includes a silver smelting induction furnace 1, which is divided into an oxygen dissolving chamber 11 and a deoxidation chamber 12. The oxygen dissolving chamber 11 and the deoxidation chamber 12 are connected by an opening 13. The entrance of the oxygen dissolving chamber 11 is open for full contact with the air environment. The top of the deoxidation chamber 12 is sealed and connected to a vacuum suction system to keep the interior of the deoxidation chamber 12 in a negative pressure state; the ultrasonic vacuum deoxidation device 3 includes an ultrasonic signal generator 31, a transducer 32 and an ultrasonic horn. The ultrasonic signal generator 31 and the transducer 32 are located at the top of the deoxidation chamber 12, and the ultrasonic horn extends to the interior of the deoxidation chamber 12. The vacuum suction system includes an air cooler 6 and a vacuum pump 7. The air inlet end of the air cooler 6 is connected to the deoxidation chamber 12 through an exhaust pipe, and the exhaust end of the air cooler 6 is connected to the vacuum pump 7. The other end of the vacuum pump 7 is connected to the oxygen storage tank 8, which is used to collect the desorbed and cooled oxygen into the oxygen storage tank 8; the cooling system includes a cooling tower 4, a circulating water pump and a compensation water tank 5, which are used to cool the silver smelting induction furnace 1, the air cooler 6 and the vacuum pump 7.

[0028] The shell of the silver smelting induction furnace 1 is a double-layer structure, and an electromagnetic induction coil 14 for heating is arranged between the double-layer structure. The double-layer structure includes a furnace lining and a furnace shell. The furnace lining is a double-chamber graphite crucible. The interior of the furnace lining is provided with an electromagnetic induction coil 14 which is a multi-turn coil spirally wound on the outer surface of the furnace lining (such as Figure 4 As shown), the temperature in the crucible can be kept uniform at all times. The graphite crucible has a good induction heating melting effect. The electromagnetic induction coil 14 is a thick-walled copper tube wound on a special mold. There is no joint in the middle, and both ends are made of pure copper xenon arc welding. The copper tube is made of T2 copper. There should be no welds inside each set of induction coils. The induction coil is fixed by several rows of bolts and insulating stays welded on its outer circumference. Water can flow inside the tube, which is convenient for connecting to the cooling system for cooling.

[0029] The electromagnetic stirring system consists of an electromagnetic pump 2 , one end of which extends into the oxygen dissolving chamber 11 , and utilizes the generated electromagnetic force to push the liquid silver to move regularly from the oxygen dissolving chamber 11 to the deoxidation chamber 12 .

[0030] The water inlet of the cooling tower 4 is connected to the device to be cooled, and the water outlet is connected to the compensation water tank 5. The circulating water pump is connected to the compensation water tank 5 and delivers cold water to the device to be cooled, realizing water recycling. The device to be cooled is the silver smelting induction furnace 1, the air cooler 6, and the vacuum pump 7. The outer surface of the silver smelting induction furnace 1 and the outer surface of the vacuum pump 7 are both covered with a water cooling jacket 9. The liquid inlets of the water cooling jacket 9 and the air cooler 6 are respectively connected to the circulating water pump, and the liquid outlets of the water cooling jacket 9 and the air cooler 6 are respectively connected to the water inlet of the cooling tower 4. The circulating water pump can pump cold water from the compensation water tank 5 and deliver it to the silver smelting induction furnace 1, the vacuum pump 7, and the air cooler 6 for cooling. The water that absorbs heat will be transported to the interior of the cooling tower 4 by the circulating water pump. The cooling tower 4 cools the hot water. The cooled water enters the compensation water tank 5 again to replenish the water in the compensation water tank, thereby ensuring that the device to be cooled can operate at a stable temperature.

[0031] The specific oxygen production process is:

[0032] 1. In the silver smelting and oxygen dissolution system, the silver powder is heated and melted into liquid silver by the silver smelting induction furnace 1 (the optimal oxygen production temperature is near the melting point of silver, 970°C). At this time, a large amount of oxygen in the atmospheric environment is dissolved in the liquid silver from the air inlet end of the dissolved oxygen chamber 11;

[0033] 2. Start the electromagnetic pump 2. The electromagnetic force generated stirs the liquid silver with dissolved oxygen, pushing it to move regularly from the oxygen dissolving chamber 11 to the deoxidation chamber 12, and circulates back and forth. On the one hand, this makes the liquid silver in the silver smelting oxygen dissolving and releasing system fully mixed, and on the other hand, it improves the oxygen dissolving and releasing efficiency of the liquid silver.

[0034] 3. When the liquid silver is in a circulating flow state, start the vacuum pump 7 in the vacuum suction system to evacuate the deoxidation chamber 12 to place it in a negative pressure state;

[0035] 4. Simultaneously, the ultrasonic vacuum deoxidation device 3 is started. Under the combined action of vacuum and ultrasound, a portion of the dissolved oxygen in the liquid silver diffuses to the surface and precipitates; the other portion diffuses into the cavitation bubbles. When the cavitation bubbles grow to a certain size, they float to the surface and release oxygen, achieving efficient deoxidation.

[0036] 5. The high-temperature oxygen in the deoxidation chamber 12 enters the air cooler 6 through the exhaust pipe for heat exchange and cooling. The cooled oxygen flows into the oxygen storage tank 8 through the vacuum pump 7 for collection and storage.

[0037] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to specific embodiments. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An oxygen production device based on the silver dissolved oxygen mechanism, characterized by: It includes a silver smelting oxygen dissolution and release system, an ultrasonic vacuum deoxidation device (3), a vacuum suction system, a cooling system, an electromagnetic stirring system and an oxygen storage tank (8); The silver smelting oxygen dissolution and release system comprises a silver smelting induction furnace (1), wherein the interior of the silver smelting induction furnace (1) is divided into an oxygen dissolving chamber (11) and a deoxidation chamber (12), wherein the oxygen dissolving chamber (11) and the deoxidation chamber (12) are connected via an opening (13), wherein the entrance of the oxygen dissolving chamber (11) is open and is used for full contact with the air environment, and the top end of the deoxidation chamber (12) is sealed and connected to a vacuum suction system, so that the interior of the deoxidation chamber (12) is in a negative pressure state; The ultrasonic vacuum deoxidation device (3) comprises an ultrasonic signal generator (31), a transducer (32) and an ultrasonic horn, wherein the ultrasonic signal generator (31) and the transducer (32) are located at the top of the deoxidation chamber (12), and the ultrasonic horn extends into the interior of the deoxidation chamber (12); The vacuum suction system comprises an air cooler (6) and a vacuum pump (7), wherein the air inlet end of the air cooler (6) is connected to the deoxidation chamber (12) via an exhaust pipe, the exhaust end of the air cooler (6) is connected to the vacuum pump (7), and the other end of the vacuum pump (7) is connected to the oxygen storage tank (8) for collecting the deoxidized and cooled oxygen into the oxygen storage tank (8); The cooling system comprises a cooling tower (4), a circulating water pump and a compensation water tank (5), and is used to cool the silver smelting induction furnace (1), an air cooler (6) and a vacuum pump (7); The electromagnetic stirring system is composed of an electromagnetic pump (2), one end of which extends into the oxygen dissolving chamber (11), and utilizes the generated electromagnetic force to push the liquid silver to move regularly from the oxygen dissolving chamber (11) to the deoxidation chamber (12).

2. The oxygen production device based on the silver dissolved oxygen mechanism according to claim 1, characterized in that: The shell of the silver smelting induction furnace (1) is a double-layer structure, comprising a furnace shell and a furnace lining, and an electromagnetic induction coil (14) for heating is arranged between the double-layer structure.

3. The oxygen production device based on the silver dissolved oxygen mechanism according to claim 1, characterized in that: The water inlet of the cooling tower (4) is connected to the device to be cooled, and the water outlet is connected to the compensation water tank (5). The circulating water pump is connected to the compensation water tank (5) and delivers the cold water flow to the device to be cooled, thereby realizing water recycling. The device to be cooled is a silver smelting induction furnace (1), an air cooler (6) and a vacuum pump (7).

4. The oxygen production device based on the silver dissolved oxygen mechanism according to claim 3, characterized in that: The outer surface of the silver smelting induction furnace (1) and the outer surface of the vacuum pump (7) are both provided with a water cooling jacket (9), the liquid inlets of the water cooling jacket (9) and the air cooler (6) are respectively connected to the circulating water pump, and the liquid outlets of the water cooling jacket (9) and the air cooler (6) are respectively connected to the water inlet of the cooling tower (4).

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