A gas drying system

Abstract

The utility model relates to a kind of gas drying system, belong to gas drying technical field.The gas drying system, comprising: drying tank, the drying tank two ends are respectively equipped with air inlet pipe and air outlet pipe, drying mechanism for drying gas is provided in the drying tank;The drying mechanism includes the inner storage cylinder being set in the inside of drying tank, the inner storage cylinder surface is uniformly provided with air hole, the inner storage cylinder two ends are respectively fixedly installed with connecting plate, the connecting plate is close to the side of inner storage cylinder and is equipped with air hole, the air inlet pipe and air outlet pipe are respectively set in two connecting plate one end, and the air inlet pipe and air outlet pipe are respectively communicated with its corresponding air hole, drying mechanism is set, the gas to be dried is entered into inner storage cylinder by air inlet pipe, after being fully contacted with molecular sieve in inner storage cylinder, discharge from air outlet pipe, improve the drying effect of gas;Gas is dispersed into and out of inner storage cylinder by air hole, reduce the impact on molecular sieve in inner storage cylinder.

Description

Technical Field

[0001] This utility model relates to the field of gas drying technology, and in particular to a gas drying system. Background Technology

[0002] With the development of modern industry, gas drying has received increasing attention as a key step in improving product quality and production efficiency. Existing gas drying technologies mainly include adsorption drying, freeze drying, and membrane separation drying, each with its own characteristics and playing an important role in different application scenarios.

[0003] Currently, a Chinese patent discloses a safe and reliable molecular sieve dryer for petrochemicals (authorization announcement number CN212999251U). This invention features a rotating assembly. A motor drives a connecting column to rotate, which in turn rotates a mesh cage positioned between an upper and lower fixed plate. This rotation causes the molecular sieve to rotate within the tank, allowing it to fully contact with hot air and decompose and clean the substances clogging the sieve pores, thus achieving rapid activation of the molecular sieve. However, this method has the following drawbacks in practical use:

[0004] When the mesh cage is placed vertically, the contact area between the gas and the molecular sieve inside the mesh cage is small and the contact time is short, resulting in a poor drying effect. Utility Model Content

[0005] Therefore, it is necessary to provide a gas drying system to address the problem that the gas has a small contact area and short contact time with the molecular sieve placed in the mesh cage, resulting in poor gas drying effect.

[0006] A gas drying system includes: a drying tank, with an inlet pipe and an outlet pipe installed at both ends of the drying tank, and a drying mechanism for drying the gas is provided inside the drying tank; the drying mechanism includes an internal storage cylinder disposed inside the drying tank, with air vents evenly distributed on the surface of the internal storage cylinder, and connecting plates fixedly installed at both ends of the internal storage cylinder, with air holes opened on the side of the connecting plates near the internal storage cylinder, the inlet pipe and the outlet pipe respectively disposed at one end of the two connecting plates, and the inlet pipe and the outlet pipe respectively communicating with their corresponding air holes, the internal storage cylinder being filled with an inner molecular sieve, and the inlet pipe and the outlet pipe being rotatably connected to both ends of the drying tank.

[0007] In one embodiment, the vents are evenly distributed on one side of the connecting plate, and the connecting plate has a cavity for gas flow.

[0008] In one embodiment, the vents are arranged in a ring around the center of the connecting plate.

[0009] In one embodiment, the air inlet pipe and the air outlet pipe are rotatably connected to both ends of the drying tank via bearings, and a seal is provided at the bearing.

[0010] In one embodiment, a motor is fixedly connected to one end of the drying tank, a drive gear is fixedly connected to the output shaft end of the motor, and a driven gear that meshes with the drive gear is provided on the surface of the connecting plate on one side.

[0011] In one embodiment, the drying mechanism further includes a regeneration tube that passes through the lower part of the inner wall of the drying tank, and the regeneration tube is evenly distributed with multiple nozzles.

[0012] In one embodiment, the nozzle is positioned toward the axis of the memory storage cylinder.

[0013] In one embodiment, a support frame is provided at the bottom of the drying tank, and an arc-shaped groove corresponding to the drying tank is provided on the support frame.

[0014] Beneficial effects

[0015] A drying mechanism is provided. The gas to be dried enters the storage cylinder through the inlet pipe, and after making full contact with the molecular sieve inside the storage cylinder, it is discharged from the outlet pipe, which improves the drying effect of the gas. The gas is dispersed into and out of the storage cylinder through the pores, which reduces the impact on the molecular sieve inside the storage cylinder.

[0016] The motor drives the drive gear to rotate, which in turn rotates the inner storage cylinder, making the molecular sieves inside the cylinder more evenly distributed and improving drying efficiency. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the drying mechanism of this utility model;

[0021] Figure 4 This is a schematic diagram of the connecting plate and air holes of this utility model.

[0022] Figure label:

[0023] 100. Drying tank; 110. Air inlet pipe; 111. Air outlet pipe; 200. Drying mechanism; 210. Memory storage cylinder; 211. Vent hole; 212. Connecting plate; 213. Air hole; 220. Motor; 221. Drive gear; 222. Driven gear; 223. Regeneration pipe; 224. Nozzle. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this specification are for illustrative purposes only and do not represent the only possible implementation.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0027] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0028] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this specification belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0029] The following is combined with Figures 1-4 This invention describes the gas drying system.

[0030] In one embodiment, a gas drying system includes: a drying tank 100, with an inlet pipe 110 and an outlet pipe 111 installed at both ends of the drying tank 100, and a drying mechanism 200 for drying the gas is provided inside the drying tank 100; the drying mechanism 200 includes an internal storage cylinder 210 disposed inside the drying tank 100, with air vents 211 evenly distributed on the surface of the internal storage cylinder 210, and connecting plates 212 fixedly installed at both ends of the internal storage cylinder 210, with air vents 213 opened on the side of the connecting plates 212 near the internal storage cylinder 210, the inlet pipe 110 and the outlet pipe 111 respectively disposed at one end of the two connecting plates 212, and the inlet pipe 110 and the outlet pipe 111 respectively communicating with their corresponding air vents 213, the internal storage cylinder 210 being filled with molecular sieves, and the inlet pipe 110 and the outlet pipe 111 being rotatably connected to both ends of the drying tank 100.

[0031] One end of the inlet pipe 110 is connected to a pretreatment unit, which performs preliminary filtration of gas particles entering the drying tank 100. The storage cylinder 210 inside the drying tank 100 is filled with molecular sieves of different pore sizes from the inlet pipe 110 to the outlet pipe 111, ensuring efficient moisture absorption. Type 3A molecular sieves are preferred due to their strong selectivity for water molecules, large adsorption capacity, and good high-temperature resistance.

[0032] like Figure 4 As shown, vents 213 are evenly distributed on one side of the connecting plate 212, and a cavity for gas flow is formed inside the connecting plate 212. The vents 213 are arranged in a ring around the center of the connecting plate 212.

[0033] In this embodiment, the gas to be dried enters the internal cavity of the connecting plate 212 through the inlet pipe 110, and exits from multiple air holes 213, contacting the molecular sieve inside the storage cylinder 210, where the gas is dried by the molecular sieve. The air holes 213 are arranged in a ring to ensure that the gas flows evenly into the storage cylinder 210, improving the drying effect.

[0034] like Figure 1 and Figure 3As shown, the air inlet pipe 110 and the air outlet pipe 111 are rotatably connected to both ends of the drying tank 100 via bearings, and a seal is provided at the bearing.

[0035] In this embodiment, a sealing element is provided to improve the sealing performance during rotation, preventing gas from leaking out from the gaps without contacting the molecular sieve.

[0036] like Figure 3 As shown, a motor 220 is fixedly connected to one end of the drying tank 100, and a drive gear 221 is fixedly connected to the output shaft end of the motor 220. A driven gear 222 that meshes with the drive gear 221 is provided on the surface of the connecting plate 212 on one side.

[0037] In this embodiment, the motor 220 drives the drive gear 221 to rotate, and the rotation of the drive gear 221 drives the driven gear 222 and the molecular sieve in the storage cylinder 210 to rotate, so that the molecular sieve in the storage cylinder 210 is evenly distributed and the gas is dried better.

[0038] like Figure 1 and Figure 3 As shown, the drying mechanism 200 also includes a regeneration tube 223 that passes through the lower part of the inner wall of the drying tank 100, and a plurality of nozzles 224 are evenly distributed and connected on the regeneration tube 223. The nozzles 224 are oriented toward the axis of the storage cylinder 210.

[0039] In this embodiment, one end of the regeneration pipe 223 is connected to the regeneration heater. The regeneration heater introduces the heated gas into the drying tank 100 to heat the molecular sieve, causing it to release the stored moisture and discharge it from the drying tank 100 with the airflow. The regeneration heater uses an electric heating rod, which facilitates power adjustment and ensures uniform heat distribution. When the gas to be treated enters the system, it first passes through a pretreatment unit to remove solid impurities that may clog the pipes, and is then introduced into the drying tank 100. During this process, water molecules in the gas are effectively captured and stored by the molecular sieve, thereby drying the gas. As time progresses, when the molecular sieve reaches saturation, the regeneration program is initiated. At this time, the main drying tower inlet valve is closed, and the bypass valve is opened to allow a portion of clean air to pass through the regeneration heater, be heated to the set temperature, and then flow back to the bottom of the drying tank 100, causing the molecular sieve to release the stored moisture and discharge it with the airflow.

[0040] like Figure 1 As shown, a support frame is provided at the bottom of the drying tank 100, and an arc-shaped groove corresponding to the drying tank 100 is provided on the support frame.

[0041] In this embodiment, the arc-shaped groove on the support frame increases the contact area with the drying tank 100, improves the support effect on the drying tank 100, and ensures the stability of the drying tank 100.

[0042] Working principle: The gas to be dried enters the connecting plate 212 through the inlet pipe 110, flows out from the air hole 213, and comes into contact with the molecular sieve in the storage cylinder 210 before being discharged from the outlet pipe 111. All the gas in the drying tank 100 must come into contact with the molecular sieve before it can be discharged from the outlet pipe 111 to avoid the gas not being dried and to improve the drying effect. When the molecular sieve needs to be regenerated, high-temperature gas is sprayed out from the nozzle 224, and the motor 220 drives the storage cylinder 210 to rotate, which uniformly heats the molecular sieve in the storage cylinder 210. The moisture released by the molecular sieve is discharged from the drying tank 100 with the gas, thus completing the regeneration of the molecular sieve.

[0043] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0044] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A gas drying system, characterized in that, include: A drying tank (100) is provided with an air inlet pipe (110) and an air outlet pipe (111) installed at both ends of the drying tank (100), and a drying mechanism (200) for drying the gas is provided inside the drying tank (100). The drying mechanism (200) includes an inner molecular sieve (210) disposed inside the drying tank (100). The surface of the inner molecular sieve (210) is uniformly provided with vent holes (211). Connecting plates (212) are fixedly installed at both ends of the inner molecular sieve (210). The connecting plates (212) are provided with air holes (213) on the side near the inner molecular sieve (210). The air inlet pipe (110) and the air outlet pipe (111) are respectively disposed at one end of the two connecting plates (212), and the air inlet pipe (110) and the air outlet pipe (111) are respectively connected to their corresponding air holes (213). The inner molecular sieve (210) is filled with inner molecular sieve. The air inlet pipe (110) and the air outlet pipe (111) are respectively rotatably connected to both ends of the drying tank (100).

2. The gas drying system according to claim 1, characterized in that, The air holes (213) are evenly opened on one side of the connecting plate (212), and the connecting plate (212) has a cavity for gas flow.

3. The gas drying system according to claim 2, characterized in that, The air holes (213) are arranged in a ring around the center of the connecting plate (212).

4. The gas drying system according to claim 1, characterized in that, The air inlet pipe (110) and the air outlet pipe (111) are rotatably connected to both ends of the drying tank (100) via bearings, and a seal is provided at the bearing.

5. The gas drying system according to claim 1, characterized in that, One end of the drying tank (100) is fixedly connected to a motor (220), and the output shaft end of the motor (220) is fixedly connected to a drive gear (221). The surface of the connecting plate (212) on one side is provided with a driven gear (222) that meshes with the drive gear (221).

6. The gas drying system according to claim 5, characterized in that, The drying mechanism (200) also includes a regeneration tube (223) that passes through the lower part of the inner wall of the drying tank (100), and multiple nozzles (224) are evenly distributed and connected on the regeneration tube (223).

7. The gas drying system according to claim 6, characterized in that, The nozzle (224) is oriented toward the axis of the memory storage cylinder (210).

8. The gas drying system according to claim 1, characterized in that, The bottom of the drying tank (100) is provided with a support frame, and the support frame has an arc-shaped groove corresponding to the drying tank (100).

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