Improved oxygen blender

Abstract

The utility model relates to medical, chemical gas mixing equipment technical field especially, more particularly to an improved oxygen mixer, including main mixing pipeline, still including air hole, premixing jacket, the whole body of main mixing pipeline is provided with four air holes that are circumferentially distributed, the position of air hole of the outside of main mixing pipeline is sleeved with premixing jacket, the whole body of premixing jacket is installed with four oxygen pipelines that are circumferentially distributed, and the end away from premixing jacket of oxygen pipeline is installed with connecting flange, the inside of main mixing pipeline is provided with two gas pipelines, and two gas pipelines are communicated with upper and lower air holes respectively, the utility model discloses premixing jacket is set up, and oxygen is mixed in premixing jacket inside first, and then mixes with other gas medium, adopts the principle of grading mixing, makes gas turbulent flow fully through optimizing flow channel structure, and the mixing uniformity can be effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical and chemical gas mixing equipment technology, and in particular to an improved oxygen mixer. Background Technology

[0002] In the pharmaceutical and chemical industries, an oxygen mixer is a device specifically designed to mix oxygen with other gases (such as nitrogen, carbon dioxide, helium, etc.) or pharmaceutical aerosols in precise proportions to meet specific needs in medical, chemical production, or experiments.

[0003] Existing oxygen mixers have low mixing precision, resulting in inaccurate gas ratio control, making it difficult to meet the high standards required in the medical and chemical industries. At the same time, they have slow response speed, cannot quickly adapt to dynamic changes in gas flow, affecting real-time adjustment capabilities, and the equipment is bulky, occupying a lot of space, which is not conducive to moving or integrating into compact systems.

[0004] Therefore, in view of the problems of low mixing accuracy, slow response speed, large size and insufficient safety of the existing oxygen mixers, there is an urgent need to design a new and improved oxygen mixer. Utility Model Content

[0005] In order to overcome the problems of low mixing accuracy, slow response speed, large size and insufficient safety of existing oxygen mixers.

[0006] The technical solution of this utility model is as follows: an improved oxygen mixer, including a main mixing pipe; it also includes vent holes and a premixing jacket. The main mixing pipe has four vent holes distributed in a circle around its perimeter. The premixing jacket is fitted on the outside of the main mixing pipe at the position corresponding to the vent holes. Four oxygen pipes are installed in a circle around the perimeter of the premixing jacket. A connecting flange is installed at the end of the oxygen pipe away from the premixing jacket. Two gas delivery pipes are provided inside the main mixing pipe. The two gas delivery pipes are respectively connected to the upper and lower vent holes.

[0007] Preferably, by setting a premixing jacket, oxygen enters the premixing jacket through an oxygen pipeline and mixes evenly. Then, it flows into the main mixing pipeline through a gas delivery pipeline. Other gaseous media are introduced at the left end of the main mixing pipeline, thereby mixing with oxygen inside the main mixing pipeline. This results in a high degree of mixing uniformity. At the same time, the overall size of the device is small, making oxygen mixing more energy-efficient and improving safety. This solves the problems of low mixing accuracy, slow response speed, large size, and insufficient safety of existing oxygen mixers.

[0008] Preferably, the premixing jacket is connected to a fixing ring at both ends. The inner side of the fixing ring is in contact with the outer side of the main mixing pipe. Six fastening bolts are installed around the fixing ring in a circular pattern. The premixing jacket is fixed to the main mixing pipe by the fixing ring, the fastening bolts and the main mixing pipe.

[0009] Preferably, four circumferentially distributed support rods are installed inside the main mixing pipe on the left side. A fixed seat is provided at the end of the four support rods away from the pipe wall of the main mixing pipe, and an impeller is rotatably connected to the right side of the fixed seat.

[0010] Preferably, both ends of the main mixing pipe are equipped with connecting pipes, and the ends of the two connecting pipes furthest from the main mixing pipe are equipped with connecting flanges. The connecting pipe on the left is connected to the external medium pipeline through the connecting flange, and the connecting pipe on the right is connected to the leak-proof component through the connecting flange.

[0011] Preferably, the leak-proof assembly includes a connector, a rod, a sleeve, and a movable plate; the right-side connecting pipe is fitted with a connector via a mating flange, a rod is inserted into the front of the connector, and two sets of sleeves are rotatably connected around the rod, with a movable plate installed between each set of sleeves.

[0012] Preferably, the leak-proof component also includes torsion springs; two torsion springs are fitted around the perimeter of the insertion rod, with the left end of the torsion springs fitting against the corresponding movable plate.

[0013] Preferably, the leak-proof component also includes connection holes; the right side of the connector has six circumferentially distributed connection holes, and the connector is connected to the external air outlet pipe through the connection holes and bolts.

[0014] The beneficial effects of this utility model are:

[0015] 1. By setting up a premixing jacket, oxygen is first mixed inside the premixing jacket and then mixed with other gaseous media. The principle of staged mixing is adopted. By optimizing the flow channel structure, the gas is fully turbulent, which can effectively improve the mixing uniformity. The compact modular design reduces the size of the device and significantly reduces energy consumption. It not only improves process efficiency but also achieves inherent safety. It is particularly suitable for fields such as chemical and medical industries that have strict requirements for gas mixing. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of an improved oxygen mixer according to this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of an improved oxygen mixer jacket according to this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional structural schematic of an improved oxygen mixer leak-proof component according to this utility model.

[0019] Figure 4 The diagram shown is a half-section three-dimensional structural diagram of the main mixing pipe of an improved oxygen mixer according to this utility model;

[0020] Figure 5 The diagram shown is a three-dimensional structural schematic of an improved oxygen mixer impeller according to this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Main mixing pipe; 2. Vent hole; 3. Premixing jacket; 4. Oxygen pipe; 5. Connecting flange; 6. Gas delivery pipe; 7. Fixing ring; 8. Fastening bolt; 9. Support rod; 10. Fixing seat; 11. Impeller; 12. Connecting pipe; 13. Connecting flange; 141. Connecting seat; 142. Insert rod; 143. Sleeve seat; 144. Movable plate; 145. Torsion spring; 146. Connecting hole. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figures 1-5 This utility model provides an embodiment of an improved oxygen mixer, including a main mixing pipe 1; it also includes vent holes 2 and a premixing jacket 3. The main mixing pipe 1 has four circumferentially distributed vent holes 2. A premixing jacket 3 is fitted onto the outer side of the main mixing pipe 1 corresponding to the vent holes 2. Four circumferentially distributed oxygen pipes 4 are installed around the premixing jacket 3. A connecting flange 5 is installed at the end of each oxygen pipe 4 away from the premixing jacket 3. Two gas delivery pipes 6 are provided inside the main mixing pipe 1, respectively connected to the upper and lower vent holes 2. Using the premixing jacket 3, oxygen is transported through the oxygen pipes 4 to the premixing jacket 3 for initial uniform mixing, and then introduced into the main mixing pipe 1 through the gas delivery pipes 6. The left end of the main mixing pipe 1 has an inlet channel for other gas media, enabling secondary mixing of multiple gases within the main mixing pipe 1. This design effectively reduces the overall size of the device while ensuring gas mixing uniformity, not only reducing energy consumption in the oxygen mixing process but also significantly improving the system's safety performance.

[0024] Please see Figure 1 , Figure 2 , Figure 4 and Figure 5In this embodiment, both ends of the premixed jacket 3 are connected to fixing rings 7. The inner side of the fixing ring 7 fits against the outer side of the main mixing pipe 1. Six circumferentially distributed fastening bolts 8 are installed around the fixing ring 7. The premixed jacket 3 is fixed to the main mixing pipe 1 by the fixing ring 7, the fastening bolts 8, and the fixing bolts 8. By setting the fixing ring 7 and the fastening bolts 8, the operator can fix the position of the jacket by the fastening bolts 8 when installing it, which improves the convenience of disassembly and assembly. Four circumferentially distributed support rods 9 are installed on the left side of the inside of the main mixing pipe 1. A fixing seat 10 is set at the end of the four support rods 9 away from the pipe wall of the main mixing pipe 1. The right side of the fixing seat 10 is rotatably connected to An impeller 11 is provided. By setting the impeller 11, the gas medium entering from the left end of the main mixing pipe 1 can impact the impeller 11 and drive the impeller 11 to rotate. When the impeller 11 rotates, it can stir the gas inside the main mixing pipe 1 and improve the mixing uniformity. Both ends of the main mixing pipe 1 are equipped with connecting pipes 12. The ends of the two connecting pipes 12 away from the main mixing pipe 1 are provided with connecting flanges 13. The left connecting pipe 12 is connected to the external medium pipeline through the connecting flange 13, and the right connecting pipe 12 is connected to the leak-proof component through the connecting flange 13. By setting the connecting flange 13, it is easy to connect the whole device to the external pipeline and has a high sealing performance.

[0025] Please see Figures 1-3 In this embodiment, the leak-proof assembly includes a connecting seat 141, a plug rod 142, a sleeve 143, and a movable plate 144. The connecting pipe 12 on the right side is fitted with a connecting seat 141 via a mating flange 13. A plug rod 142 is inserted into the front of the connecting seat 141. Two sets of sleeves 143 are rotatably connected to the circumference of the plug rod 142. A movable plate 144 is installed between each set of sleeves 143. By setting the movable plate 144, when the gas pressure inside the main mixing pipe 1 is high, the gas pressure acts on the movable plate 144, causing the movable plate 144 to flip to the right under the cooperation of the sleeves 143 and the plug rod 142, thereby opening the through hole of the connecting seat 141 to release gas. The leak-proof assembly also includes a torsion spring 145; the plug rod 142... Two torsion springs 145 are fitted around the device. The left end of the torsion spring 145 is in contact with the corresponding movable plate 144. By setting the torsion spring 145, the movable plate 144 is rotated, which forces the torsion spring 145 to twist. When the gas is mixed, the rotational force of the torsion spring 145 can cause the movable plate 144 to return to its original position, thereby closing the through hole of the connecting seat 141 and preventing gas leakage during the mixing process. The leak-proof component also includes connecting holes 146. Six circumferentially distributed connecting holes 146 are opened on the right side of the connecting seat 141. The connecting seat 141 is connected to the external gas outlet pipe through the connecting holes 146 and bolts. By setting the connecting holes 146, it is easy for the staff to connect and install the entire device with the external gas outlet pipe, which improves convenience.

[0026] During installation, the premixed jacket 3 is connected to the external pipeline via the connecting flange 13 to ensure a tight seal. The premixed jacket 3 is fixed using the fixing ring 7 and fastening bolts 8. Oxygen enters the premixed jacket 3 through the oxygen pipeline 4 and is initially mixed. Then, it enters the main mixing pipeline 1 through the gas delivery pipeline 6. Other gaseous media enter from the left end of the main mixing pipeline 1 and impact the impeller 11, causing it to rotate to improve the mixing uniformity. When the internal gas pressure is too high, the gas pressure pushes the movable plate 144 to flip to the right with the cooperation of the sleeve 143 and the insert rod 142, opening the through hole of the connecting seat 141 to release the gas. At the same time, the torsion spring 145 accumulates the rebound force. After the gas pressure decreases, the torsion spring 145 drives the movable plate 144 to reset and close the through hole to prevent leakage. Finally, the mixed gas is discharged to the external pipeline through the through hole of the connecting seat 141.

[0027] Through the above steps, by setting up a premixing jacket 3, oxygen first enters the premixing jacket 3 through the oxygen pipeline 4, and completes preliminary diffusion and homogenization treatment in the closed space. The premixed oxygen gas is then transported to the main mixing pipeline 1 through the gas delivery pipeline 6. During this process, it undergoes convective mixing with the auxiliary gas injected from the left inlet. This staged mixing mechanism achieves industrial-grade mixing accuracy in a limited space by optimizing the airflow path and mixing sequence. Compared with traditional mixing devices, this structure significantly reduces the equipment footprint and energy consumption while maintaining mixing uniformity. Its modular design further enhances the inherent safety level of the system, thereby solving the problems of low mixing accuracy, slow response speed, large size, and insufficient safety of existing oxygen mixers.

Claims

1. An improved oxygen mixer, comprising a main mixing pipe (1); characterized in that: It also includes a vent hole (2) and a premixing jacket (3). The main mixing pipe (1) has four vent holes (2) arranged in a circle around its perimeter. The premixing jacket (3) is fitted on the outside of the main mixing pipe (1) at the position corresponding to the vent hole (2). The premixing jacket (3) is equipped with four oxygen pipes (4) arranged in a circle around its perimeter. A connecting flange (5) is installed at the end of the oxygen pipe (4) away from the premixing jacket (3). The main mixing pipe (1) has two gas delivery pipes (6) inside it. The two gas delivery pipes (6) are connected to the upper and lower vent holes (2) respectively.

2. An improved oxygen mixer according to claim 1, characterized in that: The premixed jacket (3) is connected to a fixing ring (7) at both ends. The inner side of the fixing ring (7) is in contact with the outer side of the main mixing pipe (1). Six fastening bolts (8) are installed around the fixing ring (7) in a circular pattern. The premixed jacket (3) is fixed to the fastening bolts (8) and the main mixing pipe (1) through the fixing ring (7).

3. An improved oxygen mixer according to claim 1, characterized in that: Four support rods (9) are installed in a circular arrangement on the left side of the main mixing pipe (1). A fixed seat (10) is provided at the end of the four support rods (9) away from the pipe wall of the main mixing pipe (1). An impeller (11) is rotatably connected to the right side of the fixed seat (10).

4. An improved oxygen mixer according to claim 1, characterized in that: Both ends of the main mixing pipe (1) are equipped with connecting pipes (12). Both connecting pipes (12) are provided with connecting flanges (13) at the ends away from the main mixing pipe (1). The connecting pipe (12) on the left is connected to the external medium pipe through the connecting flange (13), and the connecting pipe (12) on the right is connected to the leak-proof component through the connecting flange (13).

5. An improved oxygen mixer according to claim 4, characterized in that: The leak-proof assembly includes a connector (141), a rod (142), a sleeve (143), and a movable plate (144). The right-side connecting pipe (12) is fitted with a connector (141) via a mating flange (13). A rod (142) is inserted into the front of the connector (141). Two sets of sleeves (143) are rotatably connected around the rod (142). A movable plate (144) is installed between each set of sleeves (143).

6. An improved oxygen mixer according to claim 5, characterized in that: The leak-proof assembly also includes torsion springs (145); two torsion springs (145) are fitted around the insert rod (142), and the left end of the torsion springs (145) is in contact with the corresponding movable plate (144).

7. An improved oxygen mixer according to claim 5, characterized in that: The leak-proof component also includes connection holes (146); the right side of the connector (141) has six circumferentially distributed connection holes (146), and the connector (141) is connected to the external air outlet pipe through the connection holes (146) and bolts.

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