Argon recovery device

Abstract

The utility model belongs to the technical field of argon recovery, and particularly relates to an argon recovery device which comprises a body. An air inlet pipe is arranged at the top of the body; a plurality of heating wires are fixedly connected to the inner side wall of the middle part of the body; a filter screen plate is fixedly connected to the inner side wall of the middle part of the body; filter cotton is fixedly connected to the inner side wall of the middle of the body; the middle part of the body is communicated with an air outlet pipe; the end part of the gas outlet pipe is communicated with a gas cylinder; recycled gas is injected into the body, the heating wire can be electrified and heated, impurities in mixed gas can react and be removed when the heating wire is heated, then the gas can pass through the filter screen plate and the filter cotton, and finally the filtered gas can enter the gas cylinder through the gas outlet pipe to be stored. The mixed gas is heated through the heating wire, toxic gas and impurities in the mixed gas are effectively removed, meanwhile, the temperature of the mixed gas during filtering is increased, the diffusion rate of the gas during filtering is increased, and the argon filtering and recycling effect of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of argon gas recovery, in particular to an argon gas recovery device. Background Art

[0002] In recent years, with the rapid development of the monocrystalline silicon industry, the demand for argon has increased dramatically. According to the requirements of the monocrystalline silicon process, the discharged argon is recovered, filtered, pressurized, catalyzed, purified, and distilled, and finally provided to the monocrystalline silicon production line. This method can repeatedly recycle the argon and reduce the monocrystalline silicon industry's demand for argon in the market.

[0003] In the existing argon recovery and filtration process, the impurities in the argon are often filtered poorly, which in turn affects the purity of the collected argon and reduces the quality of the argon recovered by the device.

[0004] Therefore, in order to solve the above problems, an argon gas recovery device is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is: an argon gas recovery device described in the utility model comprises a body; an air inlet pipe is opened on the top of the body; a plurality of heating wires are fixedly connected to the middle inner wall of the body; a filter screen is fixedly connected to the middle inner wall of the body; a filter cotton is fixedly connected to the middle inner wall of the body; the filter screen is located between the heating wires and the filter cotton; an air outlet pipe is connected to the middle of the body; the end of the air outlet pipe is connected to a gas cylinder; when working, the recovered gas is injected into the interior of the body through the air inlet pipe and the device is started, at which time the heating wires It will be powered on and heated. When heated, the heating wire will cause the impurities and carbon monoxide in the mixed gas to react and be removed. Then the gas will pass through the filter plate and the remaining impurities will be removed by the filter plate. Subsequently, when the gas passes through the filter cotton, the organic gas in the gas will be absorbed by the filter cotton. Finally, the filtered gas will enter the gas cylinder through the outlet pipe and be stored. The mixed gas is heated by the heating wire to effectively remove impurities and toxic gases in the mixed gas. At the same time, the temperature of the mixed gas during filtration is also increased, the diffusion rate of the gas during filtration is accelerated, and the effect of the device on argon gas filtration and recovery is enhanced.

[0007] Preferably, a motor is fixedly connected to the top of the main body; a rotating shaft is fixedly connected to the output end of the motor; the rotating shaft and the main body are connected by a shaft seal; a plurality of first connecting rods are fixedly connected to the middle of the rotating shaft; a guide plate is fixedly connected to the end of the first connecting rod; when the device is started, the motor will also start, the motor will drive the rotating shaft to rotate and rotate with the first connecting rod, the first connecting rod will connect to the guide plate to rotate together, and the guide plate will continuously stir the mixed gas entering through the intake pipe when rotating, increase the distribution area of ​​the mixed gas inside the main body, and enhance the filtering and recovery effect of the device on the mixed gas; the guide plate is driven to rotate after the motor is started, and the guide plate will continuously adjust the distribution of the mixed gas in the main body when rotating, reducing the possibility of reducing the filtering and recovery efficiency of the device due to concentrated flow of gas.

[0008] Preferably, a plurality of fan blades are fixedly connected to the middle portion of the rotating shaft; the fan blades are located above the heating wire; when the rotating shaft rotates, the fan blades will also rotate together, and the fan blades will generate airflow when rotating to drive the mixed gas to flow to the bottom of the main body, and at the same time, the airflow blown out by the fan blades will absorb the heat released by the heating wire, and then heat the mixed gas at the bottom of the main body, thereby increasing the molecular movement speed of the gas; by arranging the fan blades, the fan blades will drive the mixed gas to flow to the bottom of the main body when the rotating shaft rotates, thereby reducing the possibility of backflow of the mixed gas, and at the same time, the wind blown out by the fan blades will absorb the heat released by the heating wire and heat the mixed gas again, thereby increasing the activity of the mixed gas and enhancing the filtering and recovery effect of the device on the mixed gas.

[0009] Preferably, a plurality of second connecting rods are fixedly connected to the middle portion of the rotating shaft; a plurality of bristles are fixedly connected to the top of the second connecting rod; when the rotating shaft rotates, the second connecting rod and the bristles are driven to rotate, and when the bristles rotate, the inside of the filter screen plate and the filter cotton are continuously unblocked, thereby reducing impurities remaining in the filter screen plate and the filter cotton; through the cooperation of the second connecting rod and the bristles, the bristles are unblocked and cleaned when the filter screen plate and the filter cotton are rotated, thereby reducing impurities remaining in the filter screen plate and the filter cotton, and reducing the possibility of blockage of the filter screen plate and the filter cotton.

[0010] Preferably, two buffer orifice plates are fixedly connected to the middle inner wall of the main body; the buffer orifice plates are located above the filter mesh plate; the adjacent buffer orifice plates are located above the filter cotton; when the fan blades rotate, the mixed gas will flow to the bottom of the main body, and the mixed gas will first contact the buffer orifice plates before reaching the surface of the filter mesh plate and the filter cotton. Because the surface of the buffer orifice plate is a wavy structure, the movement trajectory of the mixed gas will change, thereby increasing the contact time of the mixed gas with the filter mesh plate and the filter cotton, thereby enhancing the filtering and recovery effect of the device on the mixed gas.

[0011] Preferably, a diffuser plate is fixedly connected to the inner wall of the middle part of the body; the diffuser plate is located at the bottom of the first connecting rod; a plurality of diffuser holes are arranged on the surface of the diffuser plate; the mixed gas will be evenly stirred by the guide plate after passing through the air inlet pipe, and then the mixed gas will continue to flow to the bottom of the body through the diffuser holes; by arranging the diffuser plate, the mixed gas can continue to flow through the diffuser holes, thereby enhancing the uniformity of the distribution of the mixed gas in the body.

[0012] Preferably, a collecting hole is provided at the bottom of the main body; a collecting box is slidably fitted in the collecting hole; a handle is fixedly connected to the middle of the collecting box; when the device is working, impurities filtered out by the gas will fall into the inside of the collecting box, and the staff can pull out the collecting box after the work to deal with the impurities in the device; by providing the collecting box, the impurities filtered out during the operation of the device will be collected by the collecting box, thereby improving the convenience of the device in collecting and processing impurities.

[0013] The utility model is beneficial in that:

[0014] 1. The argon recovery device described in the utility model heats the mixed gas through a heating wire, effectively removing toxic gases in the mixed gas, while also increasing the temperature of the mixed gas during filtration, accelerating the diffusion rate of the gas during filtration, and enhancing the effect of the device on argon filtration and recovery.

[0015] 2. The argon recovery device described in the utility model is driven by a motor to rotate the guide plate after starting. The guide plate will continuously adjust the distribution of the mixed gas in the body when rotating, thereby reducing the possibility of reducing the filtering and recovery efficiency of the device due to concentrated flow of gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the main body of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the heating wire in the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the fan blades in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the second connecting rod in the utility model.

[0021] In the figure: 1. main body; 12. air inlet pipe; 13. heating wire; 14. filter screen; 15. filter cotton; 16. air outlet pipe; 17. gas cylinder; 2. motor; 22. rotating shaft; 23. first connecting rod; 24. guide plate; 3. fan blade; 4. second connecting rod; 42. bristles; 5. buffer hole plate; 6. diffuser plate; 62. diffuser hole; 7. collecting box; 72. handle; 73. collecting hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Specific examples are given below.

[0024] See also Figure 1 and Figure 2 As shown, an argon recovery device described in an embodiment of the utility model comprises a body 1; an air inlet pipe 12 is provided on the top of the body 1; a plurality of heating wires 13 are fixedly connected to the middle inner wall of the body 1; a filter screen plate 14 is fixedly connected to the middle inner wall of the body 1; a filter cotton 15 is fixedly connected to the middle inner wall of the body 1; the filter screen plate 14 is located between the heating wire 13 and the filter cotton 15; an air outlet pipe 16 is connected to the middle of the body 1; the end of the air outlet pipe 16 is connected to a gas cylinder 17; when working, the recovered gas is injected into the interior of the body 1 through the air inlet pipe 12 and the device is started, at which time the heating wire 1 3 will be powered on and heated. When heated, the heating wire 13 will react and remove the impurities and carbon monoxide in the mixed gas. Then the gas will pass through the filter screen 14 and the remaining impurities will be removed by the filter screen 14. Then, when the gas passes through the filter cotton 15, the organic gas in the gas will be absorbed by the filter cotton 15. Finally, the filtered gas will pass through the outlet pipe 16 and enter the gas cylinder 17 to be stored. The mixed gas is heated by the heating wire 13 to effectively remove the toxic gas in the mixed gas. At the same time, the temperature of the mixed gas during filtration is also increased, the diffusion rate of the gas during filtration is accelerated, and the effect of the device on argon gas filtration and recovery is enhanced.

[0025] See also Figure 2 and Figure 3As shown, a motor 2 is fixedly connected to the top of the body 1; a rotating shaft 22 is fixedly connected to the output end of the motor 2; the rotating shaft 22 is connected to the body 1 by a shaft seal; a plurality of first connecting rods 23 are fixedly connected to the middle of the rotating shaft 22; a guide plate 24 is fixedly connected to the end of the first connecting rod 23; when the device is started, the motor 2 will also be started, and the motor 2 will drive the rotating shaft 22 to rotate and rotate with the first connecting rod 23, and the first connecting rod 23 will be connected to the guide plate 24 to rotate together, and the guide plate 24 will continuously stir the mixed gas entering through the intake pipe 12 when rotating, increase the distribution area of ​​the mixed gas inside the body 1, and enhance the filtering and recovery effect of the device on the mixed gas; after the motor 2 is started, the guide plate 24 is driven to rotate, and the guide plate 24 will continuously adjust the distribution of the mixed gas in the body 1 when rotating, reducing the possibility of reducing the filtering and recovery efficiency of the device due to concentrated flow of gas.

[0026] See also Figure 3 As shown, a plurality of fan blades 3 are fixedly connected to the middle part of the rotating shaft 22; the fan blades 3 are located above the heating wire 13; when the rotating shaft 22 rotates, the fan blades 3 will also rotate together, and the fan blades 3 will generate airflow when rotating to drive the mixed gas to flow to the bottom of the main body 1, and at the same time, the airflow blown by the fan blades 3 will absorb the heat released by the heating wire 13, and then heat the mixed gas at the bottom of the main body 1 to increase the molecular movement speed of the gas; by arranging the fan blades 3, the fan blades 3 will drive the mixed gas to flow to the bottom of the main body 1 when the rotating shaft 22 rotates, reducing the possibility of backflow of the mixed gas, and at the same time, the wind blown by the fan blades 3 will absorb the heat released by the heating wire 13 and heat the mixed gas again, thereby increasing the activity of the mixed gas and enhancing the filtering and recovery effect of the device on the mixed gas.

[0027] See also Figure 3 and Figure 4 As shown, a plurality of second connecting rods 4 are fixedly connected to the middle part of the rotating shaft 22; a plurality of bristles 42 are fixedly connected to the top of the second connecting rod 4; when the rotating shaft 22 rotates, the second connecting rod 4 and the bristles 42 are driven to rotate, and when the bristles 42 rotate, the inside of the filter mesh plate 14 and the filter cotton 15 are continuously unblocked, thereby reducing the impurities remaining in the filter mesh plate 14 and the filter cotton 15; through the cooperation of the second connecting rod 4 and the bristles 42, the bristles 42 are unblocked and cleaned when rotating, thereby reducing the impurities remaining in the filter mesh plate 14 and the filter cotton 15, thereby reducing the possibility of blockage of the filter mesh plate 14 and the filter cotton 15.

[0028] See also Figure 2 and Figure 3As shown, two buffer orifice plates 5 are fixedly connected to the middle inner wall of the main body 1; the buffer orifice plates 5 are located above the filter mesh plate 14; the adjacent buffer orifice plates 5 are located above the filter cotton 15; when the fan blades 3 rotate, the mixed gas will flow to the bottom of the main body 1, and the mixed gas will first contact with the buffer orifice plate 5 before reaching the surface of the filter mesh plate 14 and the filter cotton 15. Because the surface of the buffer orifice plate 5 is a wavy structure, the movement trajectory of the mixed gas will change, thereby increasing the contact time of the mixed gas with the filter mesh plate 14 and the filter cotton 15, and enhancing the filtering and recovery effect of the device on the mixed gas.

[0029] See also Figure 2 and Figure 3 As shown, a diffuser plate 6 is fixedly connected to the inner wall of the middle part of the main body 1; the diffuser plate 6 is located at the bottom of the first connecting rod 23; a plurality of diffuser holes 62 are arranged on the surface of the diffuser plate 6; after the mixed gas passes through the intake pipe 12, it will be evenly stirred by the guide plate 24, and then the mixed gas will continue to flow to the bottom of the main body 1 through the diffuser holes 62; by arranging the diffuser plate 6, the mixed gas can continue to flow through the diffuser holes 62, thereby enhancing the uniformity of the distribution of the mixed gas in the main body 1.

[0030] See also Figure 1 and Figure 2 As shown, a collecting hole 73 is provided at the bottom of the main body 1; a collecting box 7 is slidably fitted in the collecting hole 73; a handle 72 is fixedly connected to the middle of the collecting box 7; when the device is working, impurities filtered out by the gas will fall into the inside of the collecting box 7, and the staff can pull out the collecting box 7 after the work to deal with the impurities in the device; by providing the collecting box 7, the impurities filtered out during the operation of the device will be collected by the collecting box 7, thereby improving the convenience of the device in collecting and processing impurities.

[0031] Working principle: after the recycled gas is injected into the body 1 through the air inlet pipe 12, the device is started. At this time, the heating wire 13 will be energized and heated. When the heating wire 13 is heated, the impurities and carbon monoxide in the mixed gas will react and be removed. Then the gas will pass through the filter screen 14 and the remaining impurities will be removed by the filter screen 14. Then, when the gas passes through the filter cotton 15, the organic gas in the gas will be absorbed by the filter cotton 15. Finally, the filtered gas will enter the gas cylinder 17 through the outlet pipe 16 and be stored. When the device is started, the motor 2 will also start. The motor 2 will drive the rotating shaft 22 to rotate and drive the first connecting rod 23 to rotate. The first connecting rod 23 will be connected to the guide plate 24 to rotate together. When the guide plate 24 rotates, it will continuously stir the mixed gas entering through the air inlet pipe 12, increase the distribution area of ​​the mixed gas inside the body 1, and enhance the filtering and recycling effect of the device on the mixed gas. When the rotating shaft 22 rotates, the fan blades 3 will also rotate together. When the fan blades 3 rotate, airflow will be generated to drive the mixed gas to flow to the bottom of the body 1. At the same time, the fan blades 3 blow The outgoing airflow will absorb the heat released by the heating wire 13, and then heat the mixed gas at the bottom of the main body 1 to increase the molecular movement speed of the gas; when the rotating shaft 22 rotates, it will drive the second connecting rod 4 and the bristles 42 to rotate, and when the bristles 42 rotate, they will continuously clear the inside of the filter plate 14 and the filter cotton 15 to reduce the impurities remaining in the filter plate 14 and the filter cotton 15; when the fan blade 3 rotates, the mixed gas will flow to the bottom of the main body 1, and the mixed gas will first contact the buffer hole plate 5 before reaching the surface of the filter plate 14 and the filter cotton 15. Because the surface of the buffer hole plate 5 is a wave structure, the movement trajectory of the mixed gas will change, thereby increasing the contact time of the mixed gas with the filter plate 14 and the filter cotton 15; after the mixed gas passes through the air inlet pipe 12, it will be evenly stirred by the guide plate 24, and then the mixed gas will continue to flow to the bottom of the main body 1 through the diffuser hole 62; when the device is working, the impurities filtered out by the gas will fall into the inside of the collection box 7, and the staff can pull out the collection box 7 after the work is completed to deal with the impurities in the device.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An argon recovery device, comprising a body (1), characterized in that: An air inlet pipe (12) is provided at the top of the body (1); a plurality of heating wires (13) are fixedly connected to the inner wall of the middle part of the body (1); a filter screen (14) is fixedly connected to the inner wall of the middle part of the body (1); a filter cotton (15) is fixedly connected to the inner wall of the middle part of the body (1); the filter screen (14) is located between the heating wires (13) and the filter cotton (15); the middle part of the body (1) is connected to an air outlet pipe (16); the end of the air outlet pipe (16) is connected to a gas cylinder (17); A motor (2) is fixedly connected to the top of the body (1); a rotating shaft (22) is fixedly connected to the output end of the motor (2); the rotating shaft (22) and the body (1) are connected by a shaft seal; a plurality of first connecting rods (23) are fixedly connected to the middle of the rotating shaft (22); and a guide plate (24) is fixedly connected to the end of each of the first connecting rods (23).

2. The argon recovery device according to claim 1, characterized in that: A plurality of fan blades (3) are fixedly connected to the middle of the rotating shaft (22); the fan blades (3) are located above the heating wire (13).

3. An argon recovery device according to claim 2, characterized in that: A plurality of second connecting rods (4) are fixedly connected to the middle of the rotating shaft (22); and a plurality of bristles (42) are fixedly connected to the top of the second connecting rods (4).

4. The argon recovery device according to claim 3, characterized in that: Two buffer orifice plates (5) are fixedly connected to the middle inner side wall of the body (1); the buffer orifice plates (5) are located above the filter screen plate (14); and the adjacent buffer orifice plates (5) are located above the filter cotton (15).

5. The argon recovery device according to claim 4, characterized in that: A diffuser plate (6) is fixedly connected to the inner wall of the middle part of the body (1); the diffuser plate (6) is located at the bottom of the first connecting rod (23); and a plurality of diffuser holes (62) are arranged on the surface of the diffuser plate (6).

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