Novel hydrogen and helium separation equipment
By using a stirring device in the hydrogen-helium separation equipment to promote the mixing of oxygen and hydrogen, combined with heating, condensation and deoxidation steps, the problem of low hydrogen-helium separation efficiency in the prior art is solved, and a more efficient helium purity and separation speed are achieved.
Patent Information
- Application Number
- CN202421299426.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-07
AI Technical Summary
During the removal of hydrogen in existing helium, the diffusion and mixing efficiency of oxygen and hydrogen is low, resulting in poor separation of hydrogen and helium.
A new hydrogen and helium separation equipment was designed, using a stirring device to promote the mixing of oxygen and hydrogen, improve the reaction efficiency, and achieve the separation of hydrogen and helium through steps such as heating, condensation and deoxygenation.
The mixing efficiency of oxygen and hydrogen is improved through the stirring device, the speed of hydrogen-helium separation is improved, and the purity and separation efficiency of helium are significantly improved.
Smart Images
Figure CN222757954U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of helium purification, in particular to a novel hydrogen-helium separation device. Background Art
[0002] Helium is a rare gas, colorless and odorless, and is an inert gas. It is widely used in the chemical industry. Helium produced by natural gas purification will contain a certain amount of hydrogen, so hydrogen-helium separation equipment is needed to remove the hydrogen contained in the helium. The current method for removing hydrogen from helium is to pass the helium containing hydrogen into a separation kettle, then add oxygen to the separation kettle, and then heat the gas in the separation kettle to make hydrogen and oxygen generate water vapor under high temperature environment, and then condense and liquefy the water vapor to separate, and then remove the residual oxygen in the helium through a deoxidizer; there are the following problems in the separation process, oxygen and hydrogen are mixed with each other in the separation kettle only by their own diffusion, and the mixing efficiency is low and the mixing effect is poor, resulting in poor effect of separating hydrogen. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a novel hydrogen-helium separation device, which promotes the mixing of oxygen and hydrogen through a stirring device, improves the reaction efficiency between oxygen and hydrogen, and increases the speed of hydrogen-helium separation. It is easy to use and has high practicality.
[0004] To achieve the above-mentioned purpose, the novel hydrogen-helium separation equipment of the utility model comprises a base plate, a bracket, a separation kettle, an oxygen delivery pump, an air inlet pipe A, a helium delivery pump and an air delivery pipe B. The separation kettle is fixedly mounted on the upper end of the base plate through the bracket. A chamber is arranged in the separation kettle. The output end of the oxygen delivery pump is communicated with the chamber of the separation kettle through the air inlet pipe A. The output end of the helium delivery pump is communicated with the chamber of the separation kettle through the air delivery pipe B. Valves are arranged on the air inlet pipe A and the air delivery pipe B. The utility model also comprises a heating device, a stirring device, a condensing device and a deoxygenation drying device. The separation kettle is provided with a heating device and a stirring device. The heating device has a heating function, the stirring device has a stirring function, the input end of the condensing device is communicated with the chamber of the separation kettle, the condensing device has a condensing function, and the output end of the condensing device is connected to the deoxygenation drying device. The deoxygenation drying device has the functions of drying and deoxygenation; when separating and purifying the helium containing hydrogen, the helium containing hydrogen is firstly transported to the chamber of the separation kettle via the helium delivery pump and the gas delivery pipe B, and at the same time, oxygen is input into the chamber of the separation kettle via the oxygen delivery pump and the air inlet pipe A, and then the stirring device is turned on to promote the movement of the gas in the chamber of the separation kettle, so that the hydrogen and oxygen are fully mixed in the chamber of the separation kettle, and at the same time, the heating device is turned on to make the hydrogen and oxygen synthesize into water vapor under high temperature, and then the gas and water vapor in the chamber of the separation kettle enter the condensing device together for condensation, and the water vapor condenses into liquid water, and then the gas enters the deoxygenation drying device for further drying and then the oxygen in the gas is removed, so that the purified helium can be obtained in the deoxygenation drying device.
[0005] Preferably, the stirring device includes a motor and a rotating shaft, the motor is fixedly mounted on the upper end of the separation kettle, the rotating shaft is rotatably mounted on the separation kettle, the upper end of the rotating shaft is connected to the output end of the motor, and a plurality of stirring blades are arranged on the rotating shaft, and the plurality of stirring blades are all located in the chamber of the separation kettle; when helium containing hydrogen and oxygen are introduced into the chamber of the separation kettle together, the motor is turned on, and the motor drives the plurality of stirring blades to rotate through the rotating shaft, and the plurality of stirring blades promote the movement of gas in the chamber of the separation kettle during rotation, thereby improving the mixing efficiency of oxygen and hydrogen.
[0006] Preferably, the condensing device includes a condenser, a delivery pipe, a drain pipe and a gas delivery pipe. The condenser is fixedly mounted on the bottom plate. The input end of the condenser is connected to the chamber of the separation kettle through the delivery pipe. A valve is provided on the delivery pipe. A drain pipe is provided at the lower part of the condenser. The output end of the condenser is connected to the deoxygenation drying device through the gas delivery pipe. When hydrogen and oxygen react in the chamber of the separation kettle to generate water vapor, the water vapor and the helium in the chamber of the separation kettle enter the condenser through the delivery pipe for condensation. The water vapor condenses into liquid water and remains in the condenser. The helium enters the deoxygenation drying device through the gas delivery pipe. After further drying, the oxygen in the helium is removed to obtain purified helium.
[0007] Preferably, the deoxidation drying device comprises a support frame, a deoxidation kettle, an exhaust pipe, a breathable plate A and a breathable plate B, the deoxidation kettle is fixedly mounted on the bottom plate through the support frame, a cavity is arranged in the deoxidation kettle, the breathable plate A and the breathable plate B are both fixedly mounted at the lower part of the cavity of the deoxidation kettle, the output end of the gas transmission pipe is connected with the cavity of the deoxidation kettle, the breathable plate A and the breathable plate B are both located above the gas transmission pipe, the breathable plate B is located above the breathable plate A, an adsorption desiccant is arranged on the breathable plate A, a deoxidizer is arranged on the breathable plate B, the lower end of the exhaust pipe is connected with the upper part of the cavity of the deoxidation kettle, and a valve is arranged on the exhaust pipe; when helium After condensation in the condenser, the water vapor in the helium condenses into liquid water and remains in the condenser. Then the helium enters the cavity of the deoxidation kettle through the gas transmission pipe. Then the helium rises to the upper part of the cavity of the deoxidation kettle through the breathable plate A and the breathable plate B in turn. When the helium passes through the breathable plate A, the desiccant on the breathable plate A adsorbs the residual moisture in the gas, so that the gas is further dried. When the gas passes through the breathable plate B, the deoxidizer on the breathable plate B adsorbs the oxygen in the helium. The dehydrogenated helium is discharged through the exhaust pipe on the upper part of the deoxidation kettle and then collected, which is convenient for further drying and deoxidation of the gas.
[0008] Preferably, it also includes a hydrogen storage alloy mesh, which is fixedly installed in the cavity of the deoxidation kettle and is located above the air-permeable plate B. When the deoxidized helium rises in the deoxidation kettle, the helium passes through the hydrogen storage alloy mesh and then enters the exhaust pipe. When the helium passes through the hydrogen storage alloy mesh, the hydrogen remaining in the helium is adsorbed by the hydrogen storage alloy mesh, further improving the purity of the helium.
[0009] Preferably, the heating device includes multiple groups of heating lamps, which are fixedly installed in the chamber of the separation kettle; when oxygen and hydrogen are mixed in the chamber of the separation kettle, the heating lamps are turned on to allow oxygen and hydrogen to generate water in a high temperature environment, thereby promoting the reaction of oxygen and hydrogen.
[0010] Preferably, it also includes a sealing cover, and the deoxidation kettle is provided with an inspection port communicating with the cavity, and the sealing cover is installed on the outside of the inspection port by bolts; through the above arrangement, when the deoxidizer and desiccant in the deoxidation kettle need to be replaced, the sealing cover can be opened to replace the deoxidizer and desiccant in the deoxidation kettle.
[0011] Compared with the prior art, the utility model has the following beneficial effects: the mixing of oxygen and hydrogen is promoted by the stirring device, the reaction efficiency between oxygen and hydrogen is improved, the speed of hydrogen-helium separation is improved, and the utility model is easy to use and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;
[0013] Figure 2It is a schematic diagram of the axonometric structure of the utility model;
[0014] Figure 3 It is a schematic diagram of the cross-sectional structure of the deoxidation kettle;
[0015] Figure 4 is a schematic diagram of the structure of the stirring device;
[0016] Figure 5 It is a main structural schematic diagram of the utility model.
[0017] Markings in the attached drawing: 1. bottom plate; 2. bracket; 3. separation kettle; 4. oxygen delivery pump; 5. air inlet pipe A; 6. helium delivery pump; 7. air delivery pipe B; 8. motor; 9. rotating shaft; 10. condenser; 11. delivery pipe; 12. drain pipe; 13. air delivery pipe; 14. support frame; 15. deoxidation kettle; 16. exhaust pipe; 17. breathable plate A; 18. breathable plate B; 19. hydrogen storage alloy net; 20. sealing cover. DETAILED DESCRIPTION
[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0019] Embodiment 1:
[0020] like Figures 1 to 5The present embodiment provides a novel hydrogen-helium separation device, comprising a bottom plate 1, a bracket 2, a separation kettle 3, an oxygen delivery pump 4, an air inlet pipe A5, a helium delivery pump 6, an air delivery pipe B7, a heating device, a stirring device, a condensing device and a deoxidation drying device. The separation kettle 3 is fixedly mounted on the upper end of the bottom plate 1 through the bracket 2. A chamber is arranged in the separation kettle 3. The output end of the oxygen delivery pump 4 is communicated with the chamber of the separation kettle 3 through the air inlet pipe A5. The output end of the helium delivery pump 6 is communicated with the chamber of the separation kettle 3 through the air delivery pipe B7. Valves are arranged on the air inlet pipe A5 and the air delivery pipe B7. A heating device and a stirring device are arranged on the separation kettle 3. The heating device has a heating function, and the stirring device has a stirring function. The input end of the condensing device is communicated with the chamber of the separation kettle 3, and the condensing device has a condensing function. The output end of the condensing device is connected to the deoxidation drying device, and the deoxidation drying device has drying and deoxidation functions. When separating and purifying the helium, firstly, the helium containing hydrogen is transported to the chamber of the separation kettle 3 via the helium delivery pump 6 and the gas delivery pipe B7, and at the same time, oxygen is input into the chamber of the separation kettle 3 via the oxygen delivery pump 4 and the air inlet pipe A5, and then the stirring device is turned on to promote the movement of the gas in the chamber of the separation kettle 3, so that the hydrogen and oxygen are fully mixed in the chamber of the separation kettle 3, and at the same time, the heating device is turned on to synthesize the hydrogen and oxygen into water vapor under high temperature, and then the gas and water vapor in the chamber of the separation kettle 3 enter the condensing device together for condensation, and the water vapor condenses into liquid water, and then the gas enters the deoxygenation drying device for further drying and then removes the oxygen in the gas, so that the purified helium can be obtained in the deoxygenation drying device; the stirring device promotes the mixing between oxygen and hydrogen, improves the reaction efficiency between oxygen and hydrogen, and improves the speed of hydrogen helium separation, and is easy to use and highly practical.
[0021] like Figure 1 and Figure 4 The stirring device includes a motor 8 and a rotating shaft 9. The motor 8 is fixedly installed on the upper end of the separation kettle 3, and the rotating shaft 9 is rotatably installed on the separation kettle 3. The upper end of the rotating shaft 9 is connected to the output end of the motor 8. A plurality of stirring blades are arranged on the rotating shaft 9, and the plurality of stirring blades are all located in the chamber of the separation kettle 3. When the helium gas containing hydrogen and the oxygen are introduced into the chamber of the separation kettle 3 together, the motor 8 is turned on, and the motor 8 drives the plurality of stirring blades to rotate through the rotating shaft 9. The plurality of stirring blades promote the movement of the gas in the chamber of the separation kettle 3 during the rotation process, thereby promoting the relative movement between the oxygen and the hydrogen in the chamber of the separation kettle 3, and improving the mixing efficiency of the oxygen and the hydrogen.
[0022] like Figure 1The condensing device includes a condenser 10, a delivery pipe 11, a drain pipe 12 and a gas delivery pipe 13. The condenser 10 is fixedly installed on the bottom plate 1. The input end of the condenser 10 is connected with the chamber of the separation kettle 3 through the delivery pipe 11. A valve is provided on the delivery pipe 11. The lower part of the condenser 10 is provided with a drain pipe 12. The output end of the condenser 10 is connected with the deoxidation drying device through the gas delivery pipe 13. When hydrogen and oxygen react in the chamber of the separation kettle 3 to generate water vapor, the water vapor and the helium in the chamber of the separation kettle 3 enter the condenser 10 through the delivery pipe 11 to condense. The water vapor condenses into liquid water and remains in the condenser 10. Then the helium enters the deoxidation drying device through the gas delivery pipe 13. After further drying, the oxygen in the helium is removed to obtain purified helium.
[0023] like Figure 1 and Figure 3 The deoxidation drying device includes a support frame 14, a deoxidation kettle 15, an exhaust pipe 16, a breathable plate A17 and a breathable plate B18. The deoxidation kettle 15 is fixedly installed on the bottom plate 1 through the support frame 14. A cavity is arranged in the deoxidation kettle 15. The breathable plates A17 and B18 are fixedly installed at the lower part of the cavity of the deoxidation kettle 15. The output end of the air supply pipe 13 is connected with the cavity of the deoxidation kettle 15. The breathable plates A17 and B18 are both located above the air supply pipe 13. The breathable plate B18 is located above the breathable plate A17. An adsorption desiccant is arranged on the breathable plate A17. A deoxidizer is arranged on the breathable plate B18. The lower end of the exhaust pipe 16 is connected with the upper part of the cavity of the deoxidation kettle 15. A valve is arranged on the exhaust pipe 16. Door; after the helium is condensed in the condenser 10, the water vapor in the helium is condensed into liquid water and remains in the condenser 10, and then the helium enters the cavity of the deoxidation kettle 15 through the gas pipe 13, and then the helium rises to the upper part of the cavity of the deoxidation kettle 15 through the breathable plate A17 and the breathable plate B18 in turn, and when the helium passes through the breathable plate A17, the desiccant on the breathable plate A17 adsorbs the residual moisture in the gas, so that the gas is further dried, and then when the gas passes through the breathable plate B18, the deoxidizer on the breathable plate B18 adsorbs the oxygen in the helium, and then the dehydrogenated helium is discharged through the exhaust pipe 16 on the upper part of the deoxidation kettle 15 and can be collected; it is convenient for further drying and deoxidation of the gas.
[0024] The hydrogen storage alloy mesh 19 is fixedly installed in the cavity of the deoxidation kettle 15, and the hydrogen storage alloy mesh 19 is located above the breathable plate B18; when the deoxidized helium rises in the deoxidation kettle 15, the helium passes through the hydrogen storage alloy mesh 19 and then enters the exhaust pipe 16. When the helium passes through the hydrogen storage alloy mesh 19, the hydrogen remaining in the helium is adsorbed by the hydrogen storage alloy mesh 19, further improving the purity of the helium.
[0025] like Figure 1The deoxidation kettle 15 is provided with an inspection port communicating with the cavity, and a sealing cover 20 is installed on the outside of the inspection port by bolts. Through the above arrangement, when the deoxidizer and the desiccant in the deoxidation kettle 15 need to be replaced, the sealing cover 20 can be opened to replace the deoxidizer and the desiccant in the deoxidation kettle 15, thereby improving convenience.
[0026] When separating and purifying the helium containing hydrogen in this embodiment, the helium containing hydrogen is firstly transported into the chamber of the separation kettle 3 via the helium delivery pump 6 and the gas delivery pipe B7, and at the same time, oxygen is input into the chamber of the separation kettle 3 via the oxygen delivery pump 4 and the air inlet pipe A5, and then the motor 8 is turned on, and the motor 8 drives the plurality of stirring plates to rotate through the rotating shaft 9, so as to promote the movement of the gas in the separation kettle 3, so that the oxygen is fully dispersed in the chamber of the separation kettle 3 and contacts with the hydrogen, and at the same time, the heating device is turned on to heat the gas in the chamber of the separation kettle 3, so that the hydrogen and oxygen are synthesized into water vapor under high temperature, and then the delivery device is turned on. The valve on the pipe 11 allows the gas and water vapor in the chamber of the separation kettle 3 to enter the condenser 10 together through the delivery pipe 11, and then the water vapor is cooled into liquid water in the condenser 10, and the liquid water remains in the condenser. Then the gas enters the lower part of the cavity of the deoxidation kettle 15 through the gas delivery pipe 13. Then, during the rising process in the deoxidation kettle 15, the gas passes through the air permeable plate A17 with a desiccant, the air permeable plate B18 with a deoxidizer and the hydrogen storage alloy net 19 in turn, so that the gas is dried, deoxidized and dehydrogenated in turn during the rising process. Then, the purified helium is discharged through the exhaust pipe 16 and collected for use.
[0027] Embodiment 2:
[0028] On the basis of Example 1, the heating device may also use a heating belt, so that the heating belt is coated on the outer wall of the separation kettle 3, and the heating effect of the gas in the chamber of the separation kettle 3 can also be achieved through the heating belt.
[0029] The oxygen delivery pump 4, helium delivery pump 6, condenser 10 and hydrogen storage alloy net 19 of the novel hydrogen-helium separation equipment of the utility model are all purchased on the market. The technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative efforts.
[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A novel hydrogen-helium separation device, comprising a base plate (1), a bracket (2), a separation kettle (3), an oxygen delivery pump (4), an air inlet pipe A (5), a helium delivery pump (6) and an air delivery pipe B (7), wherein the separation kettle (3) is fixedly mounted on the upper end of the base plate (1) through the bracket (2), a chamber is arranged in the separation kettle (3), an output end of the oxygen delivery pump (4) is communicated with the chamber of the separation kettle (3) through the air inlet pipe A (5), an output end of the helium delivery pump (6) is communicated with the chamber of the separation kettle (3) through the air delivery pipe B (7), and valves are arranged on the air inlet pipe A (5) and the air delivery pipe B (7); the device is characterized in that: It also includes a heating device, a stirring device, a condensing device and a deoxidation drying device. The separation kettle (3) is provided with a heating device and a stirring device. The heating device has a heating function. The stirring device has a stirring function. The input end of the condensing device is connected to the chamber of the separation kettle (3). The condensing device has a condensation function. The output end of the condensing device is connected to the deoxidation drying device. The deoxidation drying device has drying and deoxidation functions.
2. A novel hydrogen-helium separation device as claimed in claim 1, characterized in that: The stirring device comprises a motor (8) and a rotating shaft (9); the motor (8) is fixedly mounted on the upper end of the separation kettle (3); the rotating shaft (9) is rotatably mounted on the separation kettle (3); the upper end of the rotating shaft (9) is connected to the output end of the motor (8); a plurality of groups of stirring blades are arranged on the rotating shaft (9); and the plurality of groups of stirring blades are all located in the chamber of the separation kettle (3).
3. A novel hydrogen-helium separation device as claimed in claim 1, characterized in that: The condensing device comprises a condenser (10), a delivery pipe (11), a drain pipe (12) and an air delivery pipe (13); the condenser (10) is fixedly mounted on the bottom plate (1); an input end of the condenser (10) is connected to a chamber of the separation kettle (3) via the delivery pipe (11); a valve is provided on the delivery pipe (11); a drain pipe (12) is provided at the bottom of the condenser (10); and an output end of the condenser (10) is connected to a deoxidation drying device via the air delivery pipe (13).
4. A novel hydrogen-helium separation device as claimed in claim 3, characterized in that: The deoxidation drying device comprises a support frame (14), a deoxidation kettle (15), an exhaust pipe (16), a breathable plate A (17) and a breathable plate B (18); the deoxidation kettle (15) is fixedly mounted on the bottom plate (1) via the support frame (14); a cavity is provided in the deoxidation kettle (15); the breathable plate A (17) and the breathable plate B (18) are both fixedly mounted at the bottom of the cavity of the deoxidation kettle (15); and the output end of the gas transmission pipe (13) is The air permeable plate A (17) and the air permeable plate B (18) are both located above the air supply pipe (13), the air permeable plate B (18) is located above the air permeable plate A (17), an adsorption desiccant is provided on the air permeable plate A (17), and a deoxidizer is provided on the air permeable plate B (18). The lower end of the exhaust pipe (16) is connected to the upper part of the cavity of the deoxidation kettle (15), and the exhaust pipe (16) is provided with a valve.
5. A novel hydrogen-helium separation device as claimed in claim 4, characterized in that: It also includes a hydrogen storage alloy net (19), which is fixedly installed in the cavity of the deoxidation kettle (15), and the hydrogen storage alloy net (19) is located above the air permeable plate B (18).
6. A novel hydrogen-helium separation device as claimed in claim 1, characterized in that: The heating device comprises a plurality of groups of heating lamps, and the plurality of groups of heating lamps are fixedly installed in the chamber of the separation kettle (3).
7. A novel hydrogen-helium separation device as claimed in claim 4, characterized in that: It also comprises a sealing cover (20); the deoxidation kettle (15) is provided with an inspection port communicating with the cavity; the sealing cover (20) is mounted on the outside of the inspection port by means of bolts.