Mixed gas distribution device

Abstract

The utility model discloses a mixed gas distribution device which comprises a bottom plate, a base fixedly installed at the top of the bottom plate, a mixing box fixedly installed at the top of the base, an argon box fixedly installed at the top of the bottom plate, a first sucking pump fixedly installed at the top of the argon box, and a first gas suction pipe fixedly installed at the suction end of the first sucking pump. The end, away from the first sucking pump, of the first air suction pipe extends into the argon box, and a first air feeding pipe is fixedly installed at the discharging end of the first sucking pump. The device is reasonable in design and good in practicability, chlorine and argon which are added into the mixing box can be fully stirred, the gas mixing efficiency is improved, the spiral gas conveying hose is used for enabling the mixed gas in conveying to continuously rotate, the mixed gas is prevented from being layered in the conveying process, the gas mixing effect is improved, and the service life of the device is prolonged. And the air pressure value in the mixing box can be increased by controlling the piston plate to move downwards, so that gas mixing is accelerated, and the mixed gas can be conveniently output for use.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum melt refining equipment, in particular to a mixed gas distribution device. Background Art

[0002] Chlorine is a relatively important substance in high-end aluminum alloy casting process, and plays a very important role in the process of aluminum melt refining and degassing. However, in the refining process, chlorine needs to be mixed with other gases to effectively remove hydrogen and slag in the aluminum melt. The gas distribution devices on the market are expensive, complex in structure, and have poor durability.

[0003] In response to the above-mentioned problem, a mixed gas distribution device disclosed in Chinese patent announcement with announcement number CN213590156U has the following technical points: it includes an inert gas inlet pipe and a chlorine inlet pipe, the inert gas inlet pipe is connected to one end of an inert gas pipeline, the chlorine inlet pipe is connected to one end of a chlorine pipeline, a first stop valve, a pressure regulating valve, an electronic flow meter, and a pressure gauge are sequentially arranged on the inert gas pipeline and the chlorine pipeline along the direction of gas flow, the other end of the chlorine pipeline and the other end of the chlorine pipeline are both connected to one end of a mixed gas pipeline, a buffer tank and a second stop valve are sequentially arranged on the mixed gas pipeline along the direction of gas flow, and the other end of the mixed gas pipeline is connected to a gas consumption point.

[0004] In actual operation, it is found that the above scheme still has at least the following defects: since chlorine and argon do not react, when chlorine and argon are transported to the mixed gas pipeline, they will gradually separate into layers due to the different density ratios of the two gases, resulting in poor mixing effect. Therefore, we propose a mixed gas distribution device to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a mixed gas distribution device, which solves the problem that when chlorine and argon are transported to a mixed gas pipeline, the two gases gradually separate into layers due to their different density specific gravities, resulting in poor mixing effect.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mixed gas distribution device, comprising a bottom plate, a base is fixedly installed on the top of the bottom plate, a mixing box is fixedly installed on the top of the base, an argon box is fixedly installed on the top of the bottom plate, a first air pump is fixedly installed on the top of the argon box, a first air suction pipe is fixedly installed on the suction end of the first air suction pump, an end of the first air suction pipe away from the first air suction pump extends into the argon box, a first air supply pipe is fixedly installed on the discharge end of the first air suction pump, and an end of the first air supply pipe away from the first air suction pump extends to the mixing box. In the box, a chlorine gas box located on the left side of the argon gas box is fixedly installed on the top of the bottom plate, a second vacuum pump is fixedly installed on the top of the chlorine gas box, a second vacuum pipe is fixedly installed at the suction end of the second vacuum pump, and the end of the second vacuum pipe away from the second vacuum pump extends into the chlorine gas box, a second air supply pipe is fixedly installed at the discharge end of the second vacuum pump, and the end of the second air supply pipe away from the second vacuum pump extends into the mixing box and is located above the first air supply pipe, a mixing mechanism for accelerating gas mixing is arranged in the mixing box, and a boosting mechanism for pressurizing the gas is arranged on the mixing box.

[0009] Preferably, the mixing mechanism includes a motor, a rotating shaft and stirring blades. A mounting groove is provided on the top of the base, the motor is fixedly mounted on the bottom inner wall of the mounting groove, the rotating shaft is fixedly mounted on the output shaft end of the motor, the top end of the rotating shaft extends into the mixing box, and the stirring blades are fixedly sleeved on the rotating shaft.

[0010] Preferably, the boosting mechanism includes a support frame, an electric push rod, a push-pull rod, a piston plate and a rubber ring. The support frame is fixedly mounted on the top of the mixing box, the electric push rod is fixedly mounted on the top inner wall of the support frame, the push-pull rod is fixedly mounted on the output shaft end of the electric push rod, the bottom end of the push-pull rod slides through the top of the mixing box, the piston plate is fixedly mounted on the bottom end of the push-pull rod and is located in the mixing box, and the rubber ring is fixedly mounted on the annular side wall of the piston plate and is in sliding contact with the annular inner wall of the mixing box.

[0011] Preferably, an annular limiting plate is fixedly installed in the mixing box and is located above the stirring blades, and the inner diameter of the annular limiting plate is smaller than the diameter of the piston plate.

[0012] Preferably, a connecting pipe is fixedly installed on the right side of the mixing box, a spiral gas hose is fixedly installed on the end of the connecting pipe away from the mixing box, an air outlet pipe is fixedly installed on the end of the spiral gas hose away from the connecting pipe, and a valve is fixedly installed on the air outlet pipe.

[0013] Preferably, a gas flow meter and a one-way valve are fixedly installed on the first air supply pipe and the second air supply pipe, and the two gas flow meters are respectively located on the left side of the corresponding one-way valve.

[0014] Preferably, a pressure gauge is fixedly mounted on the front side of the mixing box.

[0015] (III) Beneficial effects

[0016] The utility model provides a mixed gas distribution device, which has the following beneficial effects:

[0017] (1) The mixed gas distribution device can fully stir the chlorine and argon added to the mixing box by utilizing a mixing mechanism composed of a motor, a rotating shaft and a stirring fan blade, thereby accelerating the efficiency of gas mixing. The mixed gas being transported can be continuously rotated by utilizing a spiral gas hose, thereby avoiding stratification of the mixed gas during transportation and improving the gas mixing effect.

[0018] (2) The mixed gas distribution device, by utilizing a booster mechanism composed of a support frame, an electric push rod, a push-pull rod, a piston plate and a rubber ring, can increase the gas pressure in the mixing box by controlling the piston plate to move downward, thereby accelerating the mixing of the gases and facilitating the output of the mixed gas for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the main view of the utility model;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure inside the utility model;

[0022] Figure 4 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .

[0023] In the figure: 1, bottom plate; 2, base; 3, mixing box; 4, argon box; 5, first vacuum pump; 6, first suction pipe; 7, first air supply pipe; 8, chlorine box; 9, second vacuum pump; 10, second suction pipe; 11, second air supply pipe; 12, mounting groove; 13, motor; 14, rotating shaft; 15, stirring fan blade; 16, supporting frame; 17, electric push rod; 18, push-pull rod; 19, piston plate; 20, rubber ring; 21, annular limit plate; 22, connecting pipe; 23, spiral gas hose; 24, outlet pipe; 25, valve; 26, gas flow meter; 27, one-way valve; 28, barometer. DETAILED DESCRIPTION

[0024] 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.

[0025] like Figure 1-4 As shown, the utility model provides a technical solution: a mixed gas distribution device, comprising a bottom plate 1, a base 2 is fixedly installed on the top of the bottom plate 1, a mixing box 3 is fixedly installed on the top of the base 2, an argon box 4 is fixedly installed on the top of the bottom plate 1, a first air pump 5 is fixedly installed on the top of the argon box 4, a first air suction pipe 6 is fixedly installed on the suction end of the first air pump 5, an end of the first air suction pipe 6 away from the first air pump 5 extends into the argon box 4, and a first air suction pipe 6 is fixedly installed on the discharge end of the first air pump 5 An air supply pipe 7, one end of the first air supply pipe 7 away from the first air pump 5 extends into the mixing box 3, a chlorine gas box 8 located on the left side of the argon gas box 4 is fixedly installed on the top of the bottom plate 1, a second air pump 9 is fixedly installed on the top of the chlorine gas box 8, a second air suction pipe 10 is fixedly installed at the suction end of the second air pump 9, an end of the second air suction pipe 10 away from the second air pump 9 extends into the chlorine gas box 8, a second air supply pipe 11 is fixedly installed at the discharge end of the second air pump 9, and the second air supply pipe 11 is away from the second air pump 9. One end extends into the mixing box 3 and is located above the first air supply pipe 7. By placing the second air supply pipe 11 above the first air supply pipe 7, when chlorine is transported into the mixing box 3, the specific gravity density of chlorine is greater than that of argon, so that the chlorine gas can slowly drop, thereby extending the mixing time of the two gases and improving the mixing efficiency. A gas flow meter 26 and a one-way valve 27 are fixedly installed on the first air supply pipe 7 and the second air supply pipe 11. The two gas flow meters 26 are respectively located on the left side of the corresponding one-way valve 27. By using the gas flow meter 26, the gas content transported to the mixing box 3 can be conveniently calculated. It should be noted that the gas flow meter 26 and the one-way valve 27 used in the present technical solution are both existing products on the market, which can be purchased on the market or customized in the factory. Their use and connection methods belong to conventional technical means in the prior art field, so they will not be repeated in this article. A mixing mechanism for accelerating gas mixing is provided in the mixing box 3, and a pressurizing mechanism for pressurizing gas is provided on the mixing box 3.

[0026] In this embodiment, a barometer 28 is fixedly installed on the front side of the mixing box 3. The barometer 28 is used to conveniently control the air pressure value in the mixing box 3, thereby controlling the mixed gas delivered outward. An annular limit plate 21 is fixedly installed in the mixing box 3 and is located above the stirring blades 15. The inner diameter of the annular limit plate 21 is smaller than the diameter of the piston plate 19. The moving range of the piston plate 19 can be limited by the annular limit plate 21 to prevent the piston plate 19 from contacting the rotating stirring blades 15, thereby improving the safety of the device. A connecting pipe 22 is fixedly installed on the right side of the mixing box 3. A spiral gas hose 23 is fixedly installed at one end of the connecting pipe 22 away from the mixing box 3. The spiral gas hose 23 is used to make the mixed gas being transported rotate continuously, thereby preventing the mixed gas from stratifying during the transportation process and improving the mixing effect of the gas. An air outlet pipe 24 is provided at one end of the spiral gas hose 23 away from the connecting pipe 22, and a valve 25 is fixedly installed on the air outlet pipe 24.

[0027] In this embodiment, the above-mentioned mixing mechanism includes a motor 13, a rotating shaft 14 and a stirring blade 15. A mounting groove 12 is opened at the top of the base 2. The motor 13 is fixedly mounted on the bottom inner wall of the mounting groove 12. The rotating shaft 14 is fixedly mounted on the output shaft end of the motor 13. The top end of the rotating shaft 14 extends into the mixing box 3. The stirring blade 15 is fixedly sleeved on the rotating shaft 14.

[0028] In this embodiment, the above-mentioned boosting mechanism includes a support frame 16, an electric push rod 17, a push-pull rod 18, a piston plate 19 and a rubber ring 20. The support frame 16 is fixedly mounted on the top of the mixing box 3, the electric push rod 17 is fixedly mounted on the top inner wall of the support frame 16, the push-pull rod 18 is fixedly mounted on the output shaft end of the electric push rod 17, the bottom end of the push-pull rod 18 slides through the top of the mixing box 3, the piston plate 19 is fixedly mounted on the bottom end of the push-pull rod 18 and is located in the mixing box 3, the rubber ring 20 is fixedly mounted on the annular side wall of the piston plate 19 and is in sliding contact with the annular inner wall of the mixing box 3. The rubber ring 20 can improve the compactness and avoid air leakage.

[0029] In this embodiment, a control switch is installed on the mixing box 3, and the first vacuum pump 5, the second vacuum pump 9, the motor 13, the electric push rod 17, the two gas flow meters 26, the barometer 28 and the control switch are electrically connected to the external power line through wires in sequence to form a circuit. The control switch can control the start and stop of the first vacuum pump 5, the second vacuum pump 9, the motor 13, the electric push rod 17, the two gas flow meters 26 and the barometer 28 respectively.

[0030] Through the above structure, the mixed gas distribution device provided by the utility model can fully stir the chlorine and argon added to the mixing box 3, accelerate the efficiency of gas mixing, and use the spiral gas delivery hose 23 to continuously rotate the mixed gas being transported, thereby avoiding stratification of the mixed gas during transportation and improving the gas mixing effect. It can also increase the air pressure value in the mixing box 3 by controlling the piston plate 19 to move downward, accelerate the mixing of the gas and facilitate the output of the mixed gas for use. When used specifically, the first vacuum pump 5 and the second vacuum pump 9 are controlled to operate according to the amount of mixed gas required for aluminum alloy production, and the speed of adding gas is adjusted by two gas flow meters 26. When argon and chlorine flow into the mixing box 3, since the specific gravity density of chlorine is greater than that of argon, the chlorine will slowly decrease, prolonging the time of mixing with argon. When the argon and chlorine contents in the mixing box 3 meet the ratio, the motor 13 is controlled to run, the motor 13 drives the rotating shaft 14 to rotate, and the rotating shaft 14 drives the stirring blades 15 to rotate, thereby fully stirring the argon and chlorine in the mixing box 3 to accelerate the mixing of the two gases, and the electric push rod 17 is controlled to extend. The electric push rod 17 controls the push-pull rod 18 and the piston plate 19 to move downward, compressing the space under the piston plate 19, increasing the air pressure value in the space under the piston plate 19, and further accelerating the mixing of the two gases. After the barometer 28 finds that the air pressure value in the mixing box 3 reaches the specified value, the electric push rod 17 is turned off, and the valve 25 is unscrewed to discharge the mixed gas in the mixing box 3. When the mixed gas flows through the spiral gas hose 23, it spirally rolls in the spiral gas hose 23, which can effectively avoid the stratification of the mixed gas during the transportation process and improve the mixing effect of the gas.

[0031] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope recorded in the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A mixed gas distribution device, characterized in that: The invention comprises a bottom plate (1), a base (2) is fixedly mounted on the top of the bottom plate (1), a mixing box (3) is fixedly mounted on the top of the base (2), an argon box (4) is fixedly mounted on the top of the bottom plate (1), a first air pump (5) is fixedly mounted on the top of the argon box (4), a first air suction pipe (6) is fixedly mounted on the suction end of the first air suction pump (5), an end of the first air suction pipe (6) away from the first air suction pump (5) extends into the argon box (4), a first air supply pipe (7) is fixedly mounted on the discharge end of the first air suction pump (5), an end of the first air supply pipe (7) away from the first air suction pump (5) extends into the mixing box (3), and the top of the bottom plate (1) is fixedly mounted A chlorine gas box (8) is located on the left side of the argon gas box (4), a second vacuum pump (9) is fixedly installed on the top of the chlorine gas box (8), a second vacuum pipe (10) is fixedly installed on the suction end of the second vacuum pump (9), and the second vacuum pipe (10) extends into the chlorine gas box (8) at one end away from the second vacuum pump (9), and a second air supply pipe (11) is fixedly installed on the discharge end of the second vacuum pump (9), and the second air supply pipe (11) extends into the mixing box (3) at one end away from the second vacuum pump (9) and is located above the first air supply pipe (7), and a mixing mechanism for accelerating gas mixing is arranged in the mixing box (3), and a boosting mechanism for pressurizing gas is arranged on the mixing box (3).

2. The mixed gas distribution device according to claim 1, characterized in that: The mixing mechanism comprises a motor (13), a rotating shaft (14) and a stirring blade (15); a mounting groove (12) is provided on the top of the base (2); the motor (13) is fixedly mounted on the bottom inner wall of the mounting groove (12); the rotating shaft (14) is fixedly mounted on the output shaft end of the motor (13); the top end of the rotating shaft (14) extends into the mixing box (3); and the stirring blade (15) is fixedly sleeved on the rotating shaft (14).

3. The mixed gas distribution device according to claim 2, characterized in that: The boost mechanism comprises a support frame (16), an electric push rod (17), a push-pull rod (18), a piston plate (19) and a rubber ring (20); the support frame (16) is fixedly mounted on the top of the mixing box (3); the electric push rod (17) is fixedly mounted on the top inner wall of the support frame (16); the push-pull rod (18) is fixedly mounted on the output shaft end of the electric push rod (17); the bottom end of the push-pull rod (18) slides through the top of the mixing box (3); the piston plate (19) is fixedly mounted on the bottom end of the push-pull rod (18) and is located in the mixing box (3); the rubber ring (20) is fixedly mounted on the annular side wall of the piston plate (19) and is in sliding contact with the annular inner wall of the mixing box (3).

4. The mixed gas distribution device according to claim 3, characterized in that: An annular limiting plate (21) located above the stirring blade (15) is fixedly installed in the mixing box (3), and the inner diameter of the annular limiting plate (21) is smaller than the diameter of the piston plate (19).

5. The mixed gas distribution device according to claim 1, characterized in that: A connecting pipe (22) is fixedly mounted on the right side of the mixing box (3); a spiral gas hose (23) is fixedly mounted on one end of the connecting pipe (22) away from the mixing box (3); an air outlet pipe (24) is fixedly mounted on one end of the spiral gas hose (23) away from the connecting pipe (22); and a valve (25) is fixedly mounted on the air outlet pipe (24).

6. The mixed gas distribution device according to claim 1, characterized in that: A gas flow meter (26) and a one-way valve (27) are fixedly mounted on the first air supply pipe (7) and the second air supply pipe (11), and the two gas flow meters (26) are respectively located on the left side of the corresponding one-way valve (27).

7. The mixed gas distribution device according to claim 1, characterized in that: A pressure gauge (28) is fixedly mounted on the front side of the mixing box (3).

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