Internal moisture drying mechanism for carbon dioxide production gas

Abstract

The utility model relates to the technical field of carbon dioxide production, and discloses a carbon dioxide production gas internal moisture drying mechanism which comprises a drying box body filled with a concentrated sulfuric acid solution. A rotating rod is rotationally connected between the top wall and the bottom wall in the drying box body, a plurality of stirring rods are fixedly connected to the lower end part, located in the concentrated sulfuric acid solution, of the rotating rod, a plurality of fixing boxes are fixedly connected to the upper end part, located in the concentrated sulfuric acid solution, of the rotating rod, and a fixing plate is inserted into each fixing box; a drying plate is arranged on the surface of each fixing plate, an air pump is fixedly installed on the side face of the drying box body, when the drying mechanism is used, moisture in carbon dioxide gas can be dried multiple times, the drying effect is better, meanwhile, the drying plates can be conveniently and rapidly replaced, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon dioxide production, in particular to a carbon dioxide production gas internal moisture drying mechanism. Background Art

[0002] Carbon dioxide is a colorless and odorless gas at room temperature and pressure, or a colorless and odorless gas with a slightly sour taste in its aqueous solution. It is also a common greenhouse gas. For the drying of carbon dioxide obtained from material reactions or external collection, it often has to go through a series of processes such as drying, desulfurization, purification, liquefaction, and extraction. Specifically, in the drying process, the corresponding drying device is required to filter out the moisture in the carbon dioxide dry gas.

[0003] A drying device for producing carbon dioxide with the announcement number CN 219804437 U is retrieved and includes a drying cylinder, the inner wall of which is provided with heaters at equal distances, and a stirring mechanism is provided on the inner wall of the drying cylinder correspondingly, a humidity sensor is installed on the inner wall of the bottom of the drying cylinder, and a display panel is installed on the outer wall of the drying cylinder, and the humidity sensor is electrically connected to the display panel. This drying device for producing carbon dioxide, through the provision of a stirring mechanism, can stir the gas inside the drying cylinder through a motor to drive multiple stirring rods during the use of the drying device for producing carbon dioxide, accelerate the air flow rate, and then accelerate the rapid drying of the carbon dioxide gas through the airflow, and at the same time, the silica gel material provided on the surface of the stirring rod can adsorb the moisture in the carbon dioxide gas, thereby improving the drying efficiency of the drying device for producing carbon dioxide.

[0004] However, the above device still has some shortcomings during use. It does not dry and remove the moisture in the carbon dioxide gas thoroughly enough. The water vapor after drying cannot be discharged and can only be adsorbed by the silica gel material, which has a poor effect. At the same time, it is not convenient to replace the silica gel material, and the effect deteriorates after long-term use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a mechanism for drying internal moisture in carbon dioxide production gas, which solves the problem that the moisture in the carbon dioxide gas is not dried and removed thoroughly enough, the water vapor after drying cannot be discharged, and can only be adsorbed by silica gel material, which has a poor effect. At the same time, it is inconvenient to replace the silica gel material, and the effect deteriorates after long-term use.

[0006] The utility model provides the following technical solution: a carbon dioxide production gas internal moisture drying mechanism, comprising a drying box, the interior of the drying box is filled with concentrated sulfuric acid solution, a rotating rod is rotatably connected between the internal top wall and the bottom wall of the drying box, the lower end portion of the rotating rod located in the concentrated sulfuric acid solution is fixedly connected to a plurality of stirring rods, the upper end portion of the rotating rod located in the concentrated sulfuric acid solution is fixedly connected to a plurality of fixed boxes, each of the fixed boxes is plugged with a fixed plate, the surface of each of the fixed plates is provided with a drying plate, an air pump is fixedly installed on the side of the drying box, the air inlet end of the air pump is connected to an air outlet pipe, the air outlet pipe extends to the interior of the drying box and is provided with a drying filter, an air inlet pipe is provided on one side wall of the interior of the drying box, one end of the air inlet pipe extends to the bottom of the drying box and is located in the concentrated sulfuric acid solution, and the other end of the air inlet pipe extends to the outside of the drying box for conveying carbon dioxide.

[0007] Preferred technical solution 1: A filter box is provided at one end of the air inlet pipe located outside the drying box, and an activated carbon filter plate and a ceramic filter disc are provided inside the filter box.

[0008] This solution can facilitate the filtering of impurities in carbon dioxide gas and improve the purity of carbon dioxide.

[0009] Preferred technical solution two: each of the fixed boxes is provided with a movable groove on its side, each of the movable grooves is slidably connected to an insertion rod, each of the fixed plates is provided with a slot inside the fixed box, the insertion rod matches the slot, and each of the insertion rods is fixedly sleeved with a spring at one end located on the outside of the fixed box.

[0010] This solution can facilitate the rapid replacement of the fixing plate and the drying plate, facilitate long-term use, and ensure the drying effect.

[0011] Preferred technical solution three: A motor is fixedly connected to the top of the drying box, and the output end of the motor extends into the interior of the drying box and is fixedly connected to the top end of the rotating rod.

[0012] This solution can drive the rotating rod, the stirring rod and the fixed plate to rotate through the rotation of the motor, so as to achieve a better drying effect on the carbon dioxide gas.

[0013] Preferred technical solution four: a sealed door is provided on the side of the drying box body, a handle is fixedly connected to the sealed door, a lock is provided on the sealed door, and a transparent observation window is provided on the sealed door.

[0014] This solution can facilitate observation of the internal situation and replacement of internal components.

[0015] Preferred technical solution five: The bottom end of the side of the drying box is connected to a liquid outlet pipe, and a valve is provided on the liquid outlet pipe.

[0016] This solution can facilitate the addition and discharge of concentrated sulfuric acid solution.

[0017] Compared with the prior art, the utility model provides a mechanism for drying water inside carbon dioxide produced gas, which has the following beneficial effects: when in use, the carbon dioxide gas is transported to the inside of the filter box through one end of the outer side of the air inlet pipe, and filtered through the activated carbon filter plate and the ceramic filter disc, and the impurities inside the carbon dioxide gas are filtered and processed, so as to improve the purity of the carbon dioxide; the filtered carbon dioxide gas is transported to the inside of the concentrated sulfuric acid solution inside the drying box through the air inlet pipe, and the water in the carbon dioxide gas is reacted and eliminated by the concentrated sulfuric acid solution, and at the same time, the rotation of the motor drives the rotating rod and the stirring rod to rotate to stir the concentrated sulfuric acid solution, so that the water in the carbon dioxide gas and the concentrated sulfuric acid solution react more fully, and the preliminarily dried carbon dioxide gas escapes to the outside of the concentrated sulfuric acid solution, and at the same time, the rotating rod drives the fixed plate to rotate The drying plate rotates to further absorb other water vapor in the carbon dioxide, so that the drying effect is better. The carbon dioxide gas that has been dried again is discharged and collected through an air pump. When the drying plate needs to be replaced after being used for a period of time, the sealing door on the drying box is opened, and then the plug rod is pulled outward to disengage it from the slot on the fixed plate to release the lock on the fixed plate. Then the fixed plate can be removed, and then a new fixed plate and drying plate are inserted into the interior of the fixed box, and then the plug rod is loosened to make it re-inserted into the slot under the elastic force of the spring, and the new fixed plate is fixed. The replacement of the fixed plate and the drying plate is completed. When the drying mechanism is in use, the moisture in the carbon dioxide gas can be dried multiple times, and the drying effect is better. At the same time, it is convenient to quickly replace the drying plate, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 This is a front structural sectional view of the utility model;

[0020] Figure 3 This is a schematic diagram of the rotating rod structure of the utility model;

[0021] Figure 4 For the utility model Figure 3 A is an enlarged view of the structure.

[0022] In the figure: 1. Drying box; 2. Rotating rod; 3. Stirring rod; 4. Fixed box; 5. Fixed plate; 6. Drying plate; 7. Air pump; 8. Air outlet pipe; 9. Drying filter; 10. Air inlet pipe; 11. Filter box; 12. Activated carbon filter plate; 13. Ceramic filter; 14. Movable groove; 15. Insert rod; 16. Slot; 17. Spring; 18. Motor; 19. Sealing door; 20. Liquid outlet pipe; 21. Valve. DETAILED DESCRIPTION

[0023] See also Figure 1-4 ,

[0024] Embodiment 1: A mechanism for drying internal moisture in carbon dioxide produced gas, comprising a drying box 1, the interior of the drying box 1 being filled with concentrated sulfuric acid solution, a rotating rod 2 being rotatably connected between the internal top wall and the bottom wall of the drying box 1, a plurality of stirring rods 3 being fixedly connected to the lower end portion of the rotating rod 2 located in the concentrated sulfuric acid solution, a plurality of fixing boxes 4 being fixedly connected to the upper end portion of the rotating rod 2 located in the concentrated sulfuric acid solution, a fixing plate 5 being inserted into the interior of each fixing box 4, a drying plate 6 being arranged on the surface of each fixing plate 5, an air pump 7 being fixedly installed on the side of the drying box 1, an air inlet end of the air pump 7 being connected to an air outlet pipe 8, the air outlet pipe 8 extending to the interior of the drying box 1 and being provided with a drying filter screen 9, an air inlet pipe 10 being arranged on one side wall of the interior of the drying box 1, one end of the air inlet pipe 10 extending to the bottom of the drying box 1 being located in the concentrated sulfuric acid solution, and the other end of the air inlet pipe 10 extending to the outside of the drying box 1 for conveying carbon dioxide.

[0025] Embodiment 2: The difference between this embodiment and embodiment 1 is that a filter box 11 is provided at one end of the air inlet pipe 10 located outside the drying box 1, and an activated carbon filter plate 12 and a ceramic filter 13 are provided inside the filter box 11, which facilitates the filtering of impurities in the carbon dioxide and improves the purity of the carbon dioxide.

[0026] Embodiment 3: The difference between this embodiment and embodiment 1 lies in that, a movable groove 14 is provided on the side of each fixed box 4, a plug rod 15 is slidably connected to the inside of each movable groove 14, a slot 16 is provided inside each fixed plate 5 located in the fixed box 4, the plug rod 15 matches the slot 16, and a spring 17 is fixedly sleeved on one end of each plug rod 15 located on the outside of the fixed box 4, so as to facilitate the quick replacement of the fixed plate 5 and the drying plate 6, facilitate long-term use, and ensure the drying effect.

[0027] Embodiment 4: The difference between this embodiment and embodiment 1 is that a motor 18 is fixedly connected to the top of the drying box 1, and the output end of the motor 18 extends to the interior of the drying box 1 and is fixedly connected to the top of the rotating rod 2. The rotation of the motor 18 drives the rotating rod 2, the stirring rod 3 and the fixed plate 5 to rotate, so that the drying effect of the carbon dioxide gas is better.

[0028] Embodiment 5: The difference between this embodiment and embodiment 1 is that a sealed door 19 is provided on the side of the drying box body 1, a handle is fixedly connected to the sealed door 19, a lock is provided on the sealed door 19, and a transparent observation window is provided on the sealed door 19, which is convenient for observing the internal situation and facilitating the replacement of internal components.

[0029] Embodiment 6: The difference between this embodiment and embodiment 1 is that, the bottom end of the side of the drying box 1 is connected with a liquid outlet pipe 20, and a valve 21 is provided on the liquid outlet pipe 20 to facilitate the addition and discharge of concentrated sulfuric acid solution.

[0030] In summary, the carbon dioxide production gas internal moisture drying mechanism, when in use, transports the carbon dioxide gas through the outer end of the intake pipe 10 to the interior of the filter box 11, and filters it through the activated carbon filter plate 12 and the ceramic filter plate 13, and filters the impurities inside the carbon dioxide gas, so as to improve the purity of the carbon dioxide, and the filtered carbon dioxide gas is transported to the concentrated sulfuric acid solution inside the drying box 1 through the intake pipe 10, and the concentrated sulfuric acid solution reacts with the moisture in the carbon dioxide gas to eliminate it, and at the same time, the rotation of the motor 18 drives the rotating rod 2 and the stirring rod 3 to rotate to stir the concentrated sulfuric acid solution, so that the moisture in the carbon dioxide gas and the concentrated sulfuric acid solution react more fully, and the preliminarily dried carbon dioxide gas escapes to the outside of the concentrated sulfuric acid solution, and at the same time, the rotating rod 2 drives the fixed plate 5 and the drying plate 6 to rotate, so that they react with the carbon dioxide The other water vapor in the carbon dioxide is further absorbed and processed to achieve a better drying effect. The carbon dioxide gas that has been dried again is discharged and collected through the air pump 7. When the drying plate 6 needs to be replaced after being used for a period of time, the sealing door 19 on the drying box body 1 is opened, and then the insertion rod 15 is pulled outward to disengage it from the slot 16 on the fixing plate 5 to release the lock on the fixing plate 5. Then the fixing plate 5 can be removed, and then the new fixing plate 5 and the drying plate 6 are inserted into the interior of the fixing box 4, and then the insertion rod 15 is loosened so that it is re-stuck into the interior of the slot 16 under the elastic force of the spring 17, and the fixing of the new fixing plate 5 is completed, and the replacement of the fixing plate 5 and the drying plate 6 is completed. When the drying mechanism is in use, the moisture in the carbon dioxide gas can be dried multiple times, and the drying effect is better. At the same time, it is convenient to quickly replace the drying plate 6 for easy use.

Claims

1. A carbon dioxide production gas internal moisture drying mechanism, comprising a drying box (1), characterized in that: The interior of the drying box (1) is filled with concentrated sulfuric acid solution. A rotating rod (2) is rotatably connected between the top wall and the bottom wall of the drying box (1). The lower end of the rotating rod (2) located inside the concentrated sulfuric acid solution is fixedly connected to a plurality of stirring rods (3). The upper end of the rotating rod (2) located inside the concentrated sulfuric acid solution is fixedly connected to a plurality of fixing boxes (4). A fixing plate (5) is inserted into the interior of each fixing box (4). A drying plate (6) is provided on the surface of each fixing plate (5). The drying box An air pump (7) is fixedly mounted on the side of the drying box (1); an air inlet end of the air pump (7) is connected to an air outlet pipe (8); the air outlet pipe (8) extends to the interior of the drying box (1) and is provided with a drying filter (9); an air inlet pipe (10) is provided on a side wall of the interior of the drying box (1); one end of the air inlet pipe (10) extends to the bottom of the drying box (1) and is located inside the concentrated sulfuric acid solution; the other end of the air inlet pipe (10) extends to the outside of the drying box (1) for the transportation of carbon dioxide.

2. A carbon dioxide production gas internal moisture drying mechanism according to claim 1, characterized in that: A filter box (11) is provided at one end of the air inlet pipe (10) located outside the drying box (1), and an activated carbon filter plate (12) and a ceramic filter disc (13) are provided inside the filter box (11).

3. The carbon dioxide production gas internal moisture drying mechanism according to claim 1, characterized in that: A movable groove (14) is provided on the side of each of the fixing boxes (4), and an insertion rod (15) is slidably connected inside each of the movable grooves (14). A slot (16) is provided inside each of the fixing plates (5) located in the fixing box (4), and the insertion rod (15) matches the slot (16). A spring (17) is fixedly sleeved on one end of each of the insertion rods (15) located outside the fixing box (4).

4. The carbon dioxide production gas internal moisture drying mechanism according to claim 1, characterized in that: A motor (18) is fixedly connected to the top of the drying box (1), and an output end of the motor (18) extends into the interior of the drying box (1) and is fixedly connected to the top of the rotating rod (2).

5. The carbon dioxide production gas internal moisture drying mechanism according to claim 1, characterized in that: A sealed door (19) is provided on the side of the drying box (1), a handle is fixedly connected to the sealed door (19), a lock is provided on the sealed door (19), and a transparent observation window is provided on the sealed door (19).

6. The carbon dioxide production gas internal moisture drying mechanism according to claim 1, characterized in that: The bottom end of the side of the drying box (1) is connected to a liquid outlet pipe (20), and a valve (21) is provided on the liquid outlet pipe (20).

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