Gas-phase material mixing system

Abstract

The utility model discloses a gas-phase material mixing system which comprises mixers, each mixer is provided with a discharge port and a plurality of feed ports, spiral stirring paddles are arranged in the mixers and used for stirring gas-phase materials in the mixers, and each feed port of the mixer is provided with a flow meter, a regulating valve and a vaporizer. The vaporizer comprises a feed port and a discharge port, the discharge port of the vaporizer is communicated with the feed port of the mixer through a feed pipeline of the mixer, the flowmeter and the regulating valve are arranged on the feed pipeline of the mixer, the flowmeter is used for metering the gas flow in the feed pipeline of the mixer, and the regulating valve is used for controlling the gas flow in the feed pipeline of the mixer. And precise feeding of gas-phase materials is realized. The spiral structure is arranged in the mixer, so that gas-phase materials can be better mixed, and uniform contact between reactants can be ensured through good gas-phase mixing, so that the reaction rate is increased, the conversion rate is increased, side reactions are reduced, and finally, the effects of improving the purity of a product and reducing the cost of subsequent separation and purification are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of chemical equipment, concretely relates to a gas phase material mixing system can be used for mixing Cl2 (chlorine) and F152a (difluoroethane). BACKGROUND

[0002] In many chemical production processes, such as synthesis of ammonia, cracking of hydrocarbons, catalytic oxidation, etc., accurate mixing of gases is the key to ensuring reaction efficiency and selectivity. Traditionally, some chemical processes may rely on excessive supply of one or more reactants to ensure the completeness of the reaction, which not only wastes resources but also increases the cost of handling tail gas. Designing a new type of gas phase material mixing system can help achieve more accurate gas phase material ratio, thereby optimizing reaction conditions, reducing energy consumption and raw material waste, improving product yield, and reducing byproduct generation. SUMMARY

[0003] Therefore, the purpose of the utility model is to provide a gas phase material mixing system that not only realizes accurate feeding ratio control of gas phase materials, but also realizes better mixing of gas phase materials, ensures uniform contact between reactants, improves reaction rate, improves conversion rate, reduces the occurrence of side reactions, and reduces the cost of subsequent separation and purification.

[0004] In order to achieve the above technical purpose, the technical scheme of the utility model is:

[0005] A gas phase material mixing system, comprising a mixer, the mixer is provided with a mixer discharge port and a plurality of mixer feed ports, the mixer is internally provided with a spiral stirring paddle, the spiral stirring paddle is used for stirring the gas phase material in the mixer, each mixer feed port is provided with a flow meter, an adjusting valve and a vaporizer, the vaporizer comprises a vaporizer feed port and a vaporizer discharge port, the vaporizer discharge port is communicated with the mixer feed port through a mixer feed pipeline, the flow meter and the adjusting valve are arranged on the mixer feed pipeline, the flow meter is used for measuring the gas flow in the mixer feed pipeline, and the adjusting valve is used for controlling the gas flow in the mixer feed pipeline.

[0006] By adopting the technical scheme, each material is input into the vaporizer through the vaporizer feed port, the vaporizer vaporizes the material, the vaporized material is input into the mixer, and the spiral stirring paddle inside the mixer stirs the multiple materials to realize the full mixing of the materials. According to the flow meter and the adjusting valve, the feeding amount of each gas-phase material is controlled, the flow meters of the multiple gas-phase materials are used as ratios to confirm the control of the material feeding ratio, and it is ensured that the material feeding amount meets the process requirements. The multiple gas-phase materials enter the mixer through different mixer feed pipelines at the same time, and the spiral stirring paddle in the mixer can guide the gas to flow along a specific path, thereby increasing the contact area and time between the materials, helping to more uniformly mix the components and improving the mixing efficiency. At the same time, when the materials pass through the spiral channel, a complex flow pattern is formed, including rotational motion and transverse disturbance, which can significantly enhance the turbulence degree, make the molecular diffusion between different components more likely to occur, and thus speed up the mixing speed and improve the final mixing quality.

[0007] In a specific implementable embodiment, a vaporization buffer tank is arranged on the mixer feed pipeline, the vaporization buffer tank comprises a vaporization buffer tank feed port and a vaporization buffer tank discharge port, the vaporization buffer tank feed port is in communication with the vaporizer discharge port, the vaporization buffer tank discharge port is in communication with the mixer feed port, and the flow meter and the adjusting valve are arranged between the vaporization buffer tank and the mixer.

[0008] In a specific implementable embodiment, the vaporizer is located above the vaporization buffer tank. By arranging the vaporizer and the vaporization buffer tank in an up-down manner, it is ensured that the unvaporized liquid phase in the vaporizer can directly enter the vaporization buffer tank along with the gas phase.

[0009] In a specific implementable embodiment, the vaporizer is a double-tube shell heat exchanger.

[0010] In a specific implementable embodiment, the vaporizer is provided with a vaporizer heat medium heating pipeline, and the vaporizer heat medium heating pipeline heats the vaporizer.

[0011] In a specific implementable embodiment, the vaporizer is provided with a pressure gauge and a thermometer.

[0012] In a specific implementable embodiment, the vaporizer heat medium heating pipeline is provided with a vaporizer heat medium flow meter and a vaporizer heat medium adjusting valve.

[0013] In a specific implementable embodiment, the vaporization buffer tank is provided with a pressure gauge, a thermometer, and a safety valve.

[0014] In one specific implementation, the vaporization buffer tank is provided with a jacket, the jacket is provided with a vaporization buffer tank heat medium heating pipeline, the vaporization buffer tank heat medium heating pipeline is used for heating the vaporization buffer tank, and the vaporization buffer tank heat medium heating pipeline is provided with a vaporization buffer tank heat medium flow meter and a vaporization buffer tank heat medium regulating valve.

[0015] In one specific implementation, the vaporization buffer tank is provided with a drain.

[0016] In one specific implementation, the spiral stirring paddle comprises a shaft and spiral stirring blades, the spiral stirring blades are arranged on the shaft and rotate with the shaft, the mixer is provided with a first shaft hole and a second shaft hole, the two ends of the shaft are arranged in the first shaft hole and the second shaft hole respectively, and the shaft is connected with a motor, and the motor drives the shaft to rotate.

[0017] The application has the effect of improving the purity of the product, reducing the cost of subsequent separation and purification, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0018] The application will be described in further detail below in combination with the drawings and specific embodiments.

[0019] Fig. 1 The application is a structural schematic diagram.

[0020] Fig. 2 The application is a structural schematic diagram of the mixer. EMBODIMENT

[0021] As shown in the drawings, Figs. 1-2 A gas phase material mixing system comprises a mixer 9, the mixer 9 is internally provided with a spiral stirring paddle, and the spiral stirring paddle is used for stirring the gas phase material in the mixer. The spiral stirring paddle comprises a shaft 91 and spiral stirring blades 92, the spiral stirring blades 92 are arranged on the shaft 91 and rotate with the shaft 91, the mixer 9 is provided with a first shaft hole and a second shaft hole, the two ends of the shaft 91 are arranged in the first shaft hole and the second shaft hole respectively, the outside of the mixer 9 is provided with a motor 93, the motor 93 is connected with the shaft 91, the motor 93 drives the shaft 91 to rotate, and the spiral stirring blades 92 rotate with the shaft 91 in the mixer 9, so as to stir the gas phase material in the mixer.

[0022] The mixer 9 is provided with a mixer discharge port 151 at the tail end thereof, which is communicated with the mixer discharge pipeline 14. The first mixer feed port 81 is provided at the head end of the mixer 9 and communicated with the first vaporization buffer tank discharge port of the first vaporization buffer tank 8 through the first mixer feed pipeline 6. The first adjusting valve 61 and the first flow meter 62 are arranged on the first mixer feed pipeline 6. The first adjusting valve 61 is used for adjusting the gas flow in the first mixer feed pipeline 6. The first flow meter 62 is used for measuring the gas flow in the first mixer feed pipeline 6. The first vaporization buffer tank feed port of the first vaporization buffer tank 8 is communicated with the first vaporizer discharge port of the first vaporizer 5 through the first vaporization buffer tank feed pipeline 11. The first vaporizer feed port of the first vaporizer 5 is communicated with the first vaporizer feed pipeline 4.

[0023] The first vaporizer 5 is located above the first vaporization buffer tank 8 to ensure that the unvaporized liquid phase in the first vaporizer 5 can directly enter the first vaporization buffer tank 8 along with the gas phase.

[0024] The first vaporizer 5 is a double-tube shell heat exchanger. The first vaporizer heat medium heating pipeline 5' is arranged in the interlayer of the double-tube shell to heat the first vaporizer 5. The first vaporizer 5 is provided with a pressure gauge and a thermometer. The first vaporizer heat medium heating pipeline is provided with the first vaporizer heat medium flow meter and the first vaporizer heat medium adjusting valve to control the flow of the first vaporizer heat medium.

[0025] The first vaporization buffer tank 8 is provided with a pressure gauge, a thermometer and a safety valve. The first vaporization buffer tank 8 is provided with the first jacket 8'. The first vaporization buffer tank heat medium heating pipeline is arranged in the first jacket 8' to heat the first vaporization buffer tank. The first vaporization buffer tank heat medium heating pipeline is provided with the vaporization buffer tank heat medium flow meter and the vaporization buffer tank heat medium adjusting valve to control the flow of the first vaporization buffer tank heat medium.

[0026] The first vaporization buffer tank 8 is provided with the first liquid discharge port at the bottom thereof, which is communicated with the first liquid discharge pipeline 1.

[0027] The second mixer feed port 101 is communicated with the second vaporization buffer tank discharge port of the second vaporization buffer tank 10 through the second mixer feed pipeline 13. The second adjusting valve 131 and the second flow meter 132 are arranged on the second mixer feed pipeline 13. The second adjusting valve 131 is used for adjusting the gas flow in the second mixer feed pipeline 13. The second flow meter 132 is used for measuring the gas flow in the second mixer feed pipeline 13. The second vaporization buffer tank feed port of the second vaporization buffer tank 10 is communicated with the second vaporizer discharge port of the second vaporizer 7 through the second vaporization buffer tank feed pipeline 12. The second vaporizer feed port of the second vaporizer 7 is communicated with the second vaporizer feed pipeline 3.

[0028] The second vaporizer 7 is located above the second vaporization buffer tank 10 to ensure that the non-vaporized liquid phase in the second vaporizer 7 can directly enter the second vaporization buffer tank 10 along with the gas phase.

[0029] The second vaporizer 7 is a double-tube shell heat exchanger, and the second vaporizer heat medium heating pipeline 7' is arranged in the interlayer of the double-tube shell to heat the second vaporizer 7. The second vaporizer 7 is provided with a pressure gauge and a thermometer, and the second vaporizer heat medium heating pipeline is provided with a second vaporizer heat medium flow meter and a second vaporizer heat medium regulating valve to control the flow of the second vaporizer heat medium.

[0030] The second vaporization buffer tank 10 is provided with a pressure gauge, a thermometer and a safety valve, and the second vaporization buffer tank 10 is provided with a second jacket 10', and the second vaporization buffer tank heat medium heating pipeline is arranged in the second jacket 10' to heat the second vaporization buffer tank. The second vaporization buffer tank heat medium heating pipeline is provided with a vaporization buffer tank heat medium flow meter and a vaporization buffer tank heat medium regulating valve to control the flow of the second vaporization buffer tank heat medium.

[0031] The second vaporization buffer tank 10 is provided with a second liquid outlet at the bottom, and the second liquid outlet is connected to the second liquid outlet pipeline 2.

[0032] F152a (difluoroethane) is input into the first vaporizer 5 through the first vaporizer feed pipeline 4, the first vaporizer heat medium heating pipeline 5' heats the first vaporizer 5 to realize the vaporization of difluoroethane, and the vaporized difluoroethane is input into the first vaporization buffer tank 8 and then into the mixer 9. Cl2 (chlorine) is input into the second vaporizer 7 through the second vaporizer feed pipeline 3, the second vaporizer heat medium heating pipeline 7' heats the second vaporizer 7 to realize the vaporization of chlorine, and the vaporized chlorine is input into the mixer 9 through the second vaporization buffer tank 10. The spiral stirring paddle inside the mixer 9 stirs chlorine and difluoroethane to make them fully mixed.

[0033] The amount of each gas phase material is controlled according to the flow meter and regulating valve on each mixer feed pipeline. The ratio of chlorine and difluoroethane is confirmed by the ratio of the two flow meters on the two mixer feed pipelines, ensuring that the amount of chlorine and difluoroethane meets the process requirements. The spiral stirring paddle in the mixer can guide the gas to flow along a specific path, thereby increasing the contact area and time between materials, which helps to mix chlorine and difluoroethane more uniformly and improves the mixing efficiency. At the same time, when the materials pass through the spiral channel, complex flow patterns are formed, including rotational motion and transverse disturbance, which can significantly enhance the degree of turbulence, making molecular diffusion between different components more likely to occur, thereby accelerating the mixing speed and improving the final mixing quality.

[0034] The above embodiments do not limit the utility model in any way, and any technical solution obtained by equivalent replacement or equivalent transformation falls within the protection scope of the utility model.

Claims

1. A vapor phase material mixing system, comprising: The mixer is provided with a mixer discharge port and a plurality of mixer feed ports, and a spiral stirring paddle is arranged inside the mixer for stirring the gas-phase materials inside the mixer. Each mixer feed port is provided with a flow meter, an adjusting valve and a vaporizer. The vaporizer comprises a vaporizer feed port and a vaporizer discharge port. The vaporizer discharge port is communicated with the mixer feed port through a mixer feed pipeline. The flow meter and the adjusting valve are arranged on the mixer feed pipeline. The flow meter is used for measuring the gas flow in the mixer feed pipeline, and the adjusting valve is used for controlling the gas flow in the mixer feed pipeline.

2. A vapor phase material mixing system as defined in claim 1, wherein: A vaporization buffer tank is arranged on the mixer feed pipeline. The vaporization buffer tank comprises a vaporization buffer tank feed port and a vaporization buffer tank discharge port. The vaporization buffer tank feed port is communicated with the vaporizer discharge port, and the vaporization buffer tank discharge port is communicated with the mixer feed port. The flow meter and the adjusting valve are arranged between the vaporization buffer tank and the mixer.

3. A vapor phase material mixing system as defined in claim 2, wherein: The vaporizer is located above the vaporization buffer tank.

4. A vapor phase material mixing system as defined in claim 1, wherein: The vaporizer is a double-tube shell heat exchanger.

5. A vapor phase material mixing system as defined in claim 1, wherein: The vaporizer is provided with a vaporizer heat medium heating pipeline for heating the vaporizer.

6. A vapor phase material mixing system as defined in claim 1, wherein: The vaporizer is provided with a pressure gauge and a thermometer.

7. A vapor phase material mixing system as defined in claim 5, wherein: The vaporizer heat medium heating pipeline is provided with a vaporizer heat medium flow meter and a vaporizer heat medium adjusting valve.

8. A vapor phase material mixing system as defined in claim 2, wherein: The vaporization buffer tank is provided with a pressure gauge, a thermometer and a safety valve.

9. A vapor phase material mixing system as defined in claim 2, wherein: The vaporization buffer tank is provided with a jacket. The jacket is provided with a vaporization buffer tank heat medium heating pipeline for heating the vaporization buffer tank. The vaporization buffer tank heat medium heating pipeline is provided with a vaporization buffer tank heat medium flow meter and a vaporization buffer tank heat medium adjusting valve.

10. A vapor phase material mixing system as defined in claim 1, wherein: The spiral stirring paddle comprises a shaft and spiral stirring blades. The spiral stirring blades are arranged on the shaft and rotate with the shaft. The mixer is provided with a first shaft hole and a second shaft hole. The two ends of the shaft are arranged in the first shaft hole and the second shaft hole, respectively. The shaft is connected with a motor. The motor drives the shaft to rotate.

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