A drying bottle for an oxygen hydrogen analyzer

Abstract

The utility model mainly relates to the technical field of drying bottle, specifically relates to a drying bottle for oxygen hydrogen analyzer, including the cylindrical cavity, the cylindrical cavity quantity is four, and the first tail detachable link together constitutes the bottle body, the most top and the most bottom's cylindrical cavity is equipped with the sealing top cover and the sealing bottom cover with thread respectively, the sealing top cover is fixedly connected with the air inlet pipe, and the sealing bottom cover is fixedly connected with the air outlet pipe, every cylindrical cavity is equipped with the detachable upper gas permeable baffle and fixed lower gas permeable baffle, and the two are surrounded into a filling bin with the inner wall of cylindrical cavity, four filling bins are filled from top to bottom: coarse hole silica gel particle, discoloration silica gel particle, molecular sieve particle and soda lime particle, each cylindrical cavity unit can be independently removed, and after removing the upper gas permeable baffle, the filler in the corresponding filling bin can be replaced individually, avoid the waste caused by the different materials in traditional laminated filling structure must be replaced together.

Description

Technical Field

[0001] This utility model mainly relates to the field of drying bottle technology, specifically to a drying bottle for an oxygen-hydrogen analyzer. Background Technology

[0002] The oxygen-hydrogen analyzer is a high-precision instrument used to accurately measure the trace hydrogen content in oxygen. It requires extremely high dryness and purity of the carrier gas. The drying bottle, as a key pre-purification device, removes moisture and acidic impurities from the gas by filling it with various desiccants and purifying agents, thereby protecting the sensor and ensuring measurement accuracy.

[0003] Currently, most of these desiccant bottles employ a single-bottle structure, simply stacking different functional fillers within the same chamber. While this integrated filling method is structurally simple, it has significant shortcomings in practical use: when one layer of filler becomes ineffective while other layers remain active, all fillers must be replaced simultaneously; otherwise, the purification effect cannot be guaranteed. This not only increases maintenance costs and wastes a large amount of undiminished material, but also makes replacement cumbersome and uneconomical. Furthermore, the overall replacement process can easily lead to cross-contamination between different fillers, affecting subsequent performance. Utility Model Content

[0004] 1. The technical problem to be solved by the utility model: This invention provides a drying bottle for an oxygen-hydrogen analyzer to solve the technical problems existing in the background art.

[0005] 2. Technical Solution: To achieve the above objectives, the technical solution provided by this utility model is as follows: a drying bottle for an oxygen-hydrogen analyzer, comprising four cylindrical cavities, which are detachably connected end to end to form the bottle body; the top and bottom cylindrical cavities are respectively equipped with a threaded sealing top cover and a sealing bottom cover, an air inlet pipe is fixedly connected to the sealing top cover, and an air outlet pipe is fixedly connected to the sealing bottom cover; Each of the cylindrical cavities is provided with a detachable upper ventilating baffle and a fixed lower ventilating baffle, which together with the inner wall of the cylindrical cavity form a filling chamber. The four filling chambers are filled from top to bottom with: coarse-pore silica gel particles, color-changing silica gel particles, molecular sieve particles, and soda lime particles.

[0006] Furthermore, each of the two adjacent cylindrical cavities is provided with a connecting flange and a connecting groove that matches the connecting flange at its opposite ends. The inner sidewall of the connecting flange is provided with an external thread, and the inner sidewall of the connecting groove is provided with an internal thread that mates with the external thread at a corresponding position.

[0007] Furthermore, an annular mounting seat is fixed to the inner wall of the cylindrical cavity. The inner side of the top surface of the annular mounting seat is provided with a plurality of circumferentially distributed axial guide grooves that extend axially. One side of the bottom end of each axial guide groove is connected to a circumferential locking groove that extends circumferentially along the annular mounting seat. The outer edge of the upper ventilated partition is provided with locking protrusions in number and position corresponding to the axial guide grooves. The locking protrusions can be inserted along the axial guide grooves and rotated into the circumferential locking grooves.

[0008] Furthermore, the top edge of the upper breathable partition is uniformly provided with multiple anti-slip ridges.

[0009] Furthermore, a porous sintered polyethylene filter plate is provided inside the cylindrical cavity at the top. The porous sintered polyethylene filter plate is located between the sealed top cover and the uppermost breathable partition, and buffer sealing rings are provided on both the upper and lower end faces.

[0010] 3. Beneficial effects: Compared with the prior art, the technical solution provided by this utility model has the following advantages: each cylindrical cavity unit can be disassembled independently, and after removing the upper ventilated partition, the filling material in the corresponding filling chamber can be replaced separately, avoiding the waste caused by the need to replace different materials together in the traditional stacked filling structure. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a front sectional view of the present invention. Figure 3 This is a schematic diagram of the internal explosion structure of the cylindrical cavity of this utility model; Figure 4 This is an exploded structural diagram of the upper ventilated partition and the annular mounting base of this utility model; Figure 5 This is a schematic diagram of the two cylindrical cavities of this utility model in an explosion.

[0012] Figure label: 1. Cylindrical cavity; 101. Connecting flange; 102. Connecting groove; 103. External thread; 104. Internal thread; 2. Sealing top cover; 3. Sealing bottom cover; 4. Air inlet pipe; 5. Air outlet pipe; 6. Upper venting baffle; 601. Locking protrusion; 602. Anti-slip texture; 7. Lower venting baffle; 8. Filling chamber; 9. Coarse-pore silica gel granules; 10. Color-changing silica gel granules; 11. Molecular sieve granules; 12. Soda lime granules; 13. Annular mounting base; 1031. Axial guide groove; 1032. Circumferential locking groove; 14. Porous sintered polyethylene filter plate; 15. Buffer sealing ring. Detailed Implementation

[0013] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0014] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0015] 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0016] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," and "equipped with" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example

[0017] See attached document Figure 1-5 A drying bottle for an oxygen-hydrogen analyzer includes four cylindrical cavities 1, which are detachably connected end to end to form the bottle body. The top and bottom cylindrical cavities 1 are respectively equipped with a threaded sealing top cover 2 and a sealing bottom cover 3. An air inlet pipe 4 is fixedly connected to the sealing top cover 2, and an air outlet pipe 5 is fixedly connected to the sealing bottom cover 3. Each cylindrical cavity 1 is provided with a detachable upper ventilating baffle 6 and a fixed lower ventilating baffle 7, which together with the inner wall of the cylindrical cavity 1 form a filling chamber 8. The four filling chambers 8 are filled from top to bottom with: coarse-pore silica gel particles 9, color-changing silica gel particles 10, molecular sieve particles 11, and soda lime particles 12.

[0018] In this embodiment, the gas to be treated is introduced into the drying bottle through the inlet pipe 4. As it flows through each filling chamber 8, it passes through the vent holes on the upper venting baffle 6 and the lower venting baffle 7 in sequence, achieving step-by-step purification. First, the coarse-porous silica gel particles 9 adsorb most of the moisture in the gas, reducing the subsequent drying load. Then, the color-changing silica gel particles 10 further absorb the residual moisture. The molecular sieve particles 11 selectively adsorb trace amounts of moisture using their microporous structure, significantly reducing the gas dew point and meeting the stringent requirements of high-precision instruments such as oxygen-hydrogen analyzers for gas dryness. Finally, the soda lime particles 12 remove any acidic impurities that may be present in the gas, preventing them from poisoning the hydrogen sensor and ensuring the accuracy and lifespan of the analyzer. Furthermore, each cylindrical cavity unit 1 can be disassembled independently. After removing the upper venting baffle 6, the filling material in the corresponding filling chamber 8 can be replaced individually, avoiding the waste caused by the need to replace different materials together in traditional stacked filling structures.

[0019] Two adjacent cylindrical cavities 1 are respectively provided with connecting flanges 101 and connecting grooves 102 that match the connecting flanges 101 at their opposite ends. The inner sidewall of the connecting flanges 101 is provided with external threads 103, and the inner sidewall of the connecting grooves 102 is provided with internal threads 104 that cooperate with the external threads 103 at the corresponding position.

[0020] In this embodiment, during installation, the connecting flange 101 at one end of one cylindrical cavity 1 is aligned with the connecting groove 102 at the other end of the cylindrical cavity 1. By rotating the cylindrical cavity 1, the connecting flange 101 is screwed into the connecting groove 102 using the engagement of the external thread 103 and the internal thread 104, thereby achieving a sealed connection between the two cylindrical cavities 1. During disassembly, the cylindrical cavity 1 can be separated by rotating it in the opposite direction.

[0021] The inner wall of the cylindrical cavity 1 is fixed with an annular mounting seat 13. The inner side of the top surface of the annular mounting seat 13 is provided with a plurality of circumferentially distributed and axially extended axial guide grooves 1031. The bottom end of each axial guide groove 1031 is connected to a circumferential locking groove 1032 extending circumferentially along the annular mounting seat 13. The outer edge of the upper ventilated partition 6 is provided with locking protrusions 601 in number and position corresponding to the axial guide grooves 1031. The locking protrusions 601 can be inserted into and rotated into the circumferential locking grooves 1032 along the axial guide grooves 1031.

[0022] In this embodiment, when installing the upper ventilated partition 6, its circumferential locking protrusion 601 is aligned with the axial guide groove 1031 on the annular mounting base 13 and then inserted axially. After the protrusion reaches the bottom of the guide groove, the partition is rotated circumferentially so that the locking protrusion 601 slides into the circumferential locking groove 1032, thereby achieving reliable locking. When disassembling, the upper ventilated partition 6 is rotated in the opposite direction so that the locking protrusion 601 exits the circumferential locking groove 1032 and is aligned with the axial guide groove 1031, and the partition can be removed axially.

[0023] In the above embodiment, multiple anti-slip ridges 602 are evenly arranged circumferentially at the top edge of the upper ventilated partition 6 to increase the friction during operation and facilitate rotation and disassembly.

[0024] Inside the cylindrical cavity 1 at the top, there is a porous sintered polyethylene filter plate 14. The porous sintered polyethylene filter plate 14 is located between the sealed top cover 2 and the uppermost ventilated partition 6, and buffer sealing rings 15 are provided on both the upper and lower end faces.

[0025] In this embodiment, the gas first enters the top cylindrical cavity 1 through the air inlet pipe 4. When it flows through the porous sintered polyethylene filter plate 14, the particulate impurities it contains are filtered out, thereby preventing impurities from affecting the performance of the downstream desiccant. During installation, tightening the sealing top cover 2 can press the porous sintered polyethylene filter plate 14, fixing it between the sealing top cover 2 and the upper ventilated partition 6. The buffer sealing ring 15 provides a seal while effectively buffering mechanical stress, preventing the filter plate from breaking due to the pressing force.

[0026] The above embodiments only illustrate a certain implementation of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present utility model, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent should be determined by the appended claims.

[0027] It should be noted that the above content falls within the scope of the inventor's technical knowledge. Due to the vast and complex nature of the technical content in this field, the above content of this application does not necessarily constitute prior art.

Claims

1. A drying bottle for an oxygen-hydrogen analyzer, characterized in that: The bottle includes four cylindrical cavities (1) that are detachably connected end to end to form the bottle body. The top and bottom cylindrical cavities (1) are respectively equipped with a threaded sealing top cover (2) and a sealing bottom cover (3). An air inlet pipe (4) is fixedly connected to the sealing top cover (2), and an air outlet pipe (5) is fixedly connected to the sealing bottom cover (3). Each of the cylindrical cavities (1) is provided with a detachable upper ventilating baffle (6) and a fixed lower ventilating baffle (7), which together with the inner wall of the cylindrical cavity (1) form a filling chamber (8). The four filling chambers (8) are filled from top to bottom with: coarse-pore silica gel particles (9), color-changing silica gel particles (10), molecular sieve particles (11) and soda lime particles (12).

2. The drying bottle for an oxygen-hydrogen analyzer according to claim 1, characterized in that: The two adjacent cylindrical cavities (1) are respectively provided with connecting flanges (101) and connecting grooves (102) that match the connecting flanges (101). The inner sidewall of the connecting flanges (101) is provided with external threads (103), and the inner sidewall of the connecting grooves (102) is provided with internal threads (104) that cooperate with the external threads (103) at the corresponding position.

3. A drying bottle for an oxygen-hydrogen analyzer according to claim 1, characterized in that: The inner wall of the cylindrical cavity (1) is fixed with an annular mounting seat (13). The inner side of the top surface of the annular mounting seat (13) is provided with a plurality of circumferentially distributed and axially extended axial guide grooves (1031). The bottom end of each axial guide groove (1031) is connected to a circumferential locking groove (1032) extending circumferentially along the annular mounting seat (13). The outer edge of the upper ventilated partition (6) is provided with locking protrusions (601) in number and position corresponding to the axial guide grooves (1031). The locking protrusions (601) can be inserted along the axial guide grooves (1031) and rotated into the circumferential locking grooves (1032).

4. A drying bottle for an oxygen-hydrogen analyzer according to claim 2, characterized in that: The upper breathable partition (6) has multiple anti-slip ridges (602) evenly arranged around the top edge of the top surface.

5. A drying bottle for an oxygen-hydrogen analyzer according to claim 1, characterized in that: The topmost cylindrical cavity (1) is equipped with a porous sintered polyethylene filter plate (14). The porous sintered polyethylene filter plate (14) is located between the sealed top cover (2) and the topmost upper ventilated partition plate (6), and both the upper and lower end faces are equipped with buffer sealing rings (15).

Images