A static mixer
By introducing a combination design of impact plate, impact ring and manifold in static mixer, the problem of poor mixing effect is solved, and the full mixing of liquid and protection of equipment are achieved.
Patent Information
- Application Number
- CN202520758007.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-06-30
- Estimated Expiration
- 2035-04-21
Smart Images
Figure CN224422515U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mixer technology, and in particular to a static mixer. Background Technology
[0002] Allopurinol, a key drug for treating gout and hyperuricemia, requires extremely high precision in its preparation process, particularly in terms of reaction accuracy and mixing. The preparation of allopurinol involves the mixing and reaction of various chemical raw materials. The uniformity of the mixing directly affects the reaction rate, the purity of the product, and ultimately, production efficiency and economic benefits. Therefore, a static mixer is necessary.
[0003] Currently, most existing static mixers achieve their effects using the following techniques;
[0004] Multi-layer baffle technology: Multiple baffles of different shapes and angles are set inside to divide the fluid into small streams and then merge them. Spiral or staggered baffles can guide the fluid to form complex paths and increase the contact area to promote mixing.
[0005] Pipeline internal component technology: Special components such as twisted blades and static mixing elements are installed inside the pipeline to induce rotational, shearing, and diverting motions in the fluid. For example, twisted blades can drive the fluid to rotate, generating axial and radial flow components, which helps to achieve uniform mixing.
[0006] Jet mixing technology: Using a jet device within a mixer, one fluid is injected at high speed into another. The high-speed jet induces strong disturbances and shearing, prompting the two fluids to mix rapidly. This technology is suitable for applications requiring high mixing speed and uniformity.
[0007] Currently, existing static mixers have been found to have at least the following technical problems in practical use;
[0008] Most existing static mixers only have multiple baffles inside the mixer, which cause the fluid to impact and separate on the baffles, generating impact turbulence to mix the fluid. However, the turbulence generated by only having multiple baffles is too simple, resulting in a relatively simple mixing effect and leading to poor mixing performance. Utility Model Content
[0009] To address the shortcomings of existing technologies, this invention provides a static mixer that solves the problem of poor mixing performance in existing static mixers.
[0010] To achieve the above objectives, this utility model provides the following technical solution:
[0011] A static mixer includes a mixing chamber with an inlet and an outlet fixedly connected to both ends. Flanges are fixedly connected to the ends of the inlet and outlet away from the mixing chamber. A manifold is fixedly connected to the outer wall of the mixing chamber, and a protective shell is fixedly connected to the outer wall of the mixing chamber, which surrounds the manifold. Three mixing mechanisms are provided inside the mixing chamber, each including an impact plate and an impact ring.
[0012] Preferably, the outer wall of the impact plate is fixedly connected with six connecting rods, and the ends of the six connecting rods away from the impact plate are all fixedly connected to the inner wall of the mixing chamber.
[0013] Preferably, the top surface of the impact plate is conical, and the surface of the impact plate has several through holes.
[0014] Preferably, the top surface of the impact ring is set as a downward sloping surface from the outside to the inside, the impact ring is fixedly connected to the inner wall of the mixing chamber, and eight cutting blades are fixedly connected to the top surface of the impact ring.
[0015] Preferably, the through holes of the three impact plates are staggered, so that the liquid flowing through the upper through hole will impact the lower impact plate, and only a small amount of liquid will pass through the through hole of the lower impact plate.
[0016] Preferably, the manifold has three layers on the outer wall of the mixing chamber, with a certain number of layers in each layer. The upper end of the manifold is the liquid inlet, and the lower end is the liquid outlet. The liquid inlet of the manifold is located below the impact plate. The liquid inlet of the manifold is collinear with the conical inclined surface of the top surface of the impact plate. That is, the liquid impacted by the impact plate will flow along the conical surface of the top surface of the impact plate to the liquid inlet of the manifold, and finally be sprayed out from the liquid outlet of the manifold.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] I. This application connects to the feed pump via a flange on the inlet. The feed liquid is pumped into the mixing chamber through the inlet. The feed liquid first impacts the impact plate. Some of the feed liquid passes through the through hole, while most of the feed liquid is pushed towards the inlet end of the first-layer manifold due to the impact of the impact plate and is eventually discharged from the outlet end of the manifold. A portion of the feed liquid flows through the gap between the impact plate and the inner wall of the mixing chamber. This portion of the feed liquid is impacted by the impact ring and cut and disturbed by the cutting blade. The disturbed feed liquid converges towards the axis of the mixing chamber along the inclined surface of the cutting blade and mixes with the feed liquid flowing through the through hole, forming irregular turbulence. The irregular turbulence also mixes with the feed liquid sprayed from the outlet end of the manifold, causing the feed liquid to converge and impact from three directions, ensuring thorough mixing. This solves the problem of the relatively simple mixing effect and poor mixing effect of existing static mixers.
[0019] Second, this application, by providing a protective shell that surrounds the manifold, not only protects the manifold from impact damage, but also further protects the mixing chamber and its internal components from impact damage, thus giving this application high protective performance. Attached Figure Description
[0020] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.
[0021] Figure 1 This is a half-sectional structural diagram of the protective shell of this utility model.
[0022] Figure 2 This is a structural diagram of the mixing chamber of this utility model;
[0023] Figure 3 This is an exploded structural diagram of the mixing chamber and mixing mechanism of this utility model;
[0024] Figure 4 This is a half-sectional view of the mixing chamber of this utility model.
[0025] Legend: 1. Mixing chamber; 2. Protective shell; 3. Manifold; 4. Impact plate; 5. Impact ring; 101. Inlet; 102. Outlet; 401. Through hole; 402. Connecting rod; 501. Cutting blade. Detailed Implementation
[0026] This application provides a static mixer that effectively solves the problem of poor mixing effect of existing static mixers.
[0027] Example
[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the technical solution in this application embodiment effectively solves the technical problem of poor mixing effect of existing static mixers. The overall idea is as follows:
[0029] To address the problems existing in the prior art, this utility model provides a static mixer, including a mixing chamber 1. The two ends of the mixing chamber 1 are respectively fixedly connected to an inlet 101 and an outlet 102. The ends of the inlet 101 and the outlet 102 away from the mixing chamber 1 are both fixedly connected to flanges. A manifold 3 is fixedly connected to the outer wall of the mixing chamber 1. A protective shell 2 is fixedly connected to the outer wall of the mixing chamber 1, and the protective shell 2 surrounds the manifold 3. Three mixing mechanisms are provided on the inner side of the mixing chamber 1. The mixing mechanism includes an impact plate 4 and an impact ring 5.
[0030] The outer wall of the impact plate 4 is fixedly connected with six connecting rods 402, and the ends of the six connecting rods 402 away from the impact plate 4 are all fixedly connected to the inner wall of the mixing chamber 1.
[0031] The top surface of the impact plate 4 is cone-shaped, and several through holes 401 are opened on the surface of the impact plate 4.
[0032] The top surface of the impact ring 5 is set as a downward inclined surface from the outside to the inside. The impact ring 5 is fixedly connected to the inner wall of the mixing chamber 1. Eight cutting blades 501 are fixedly connected to the top surface of the impact ring 5.
[0033] The through holes 401 of the three impact plates 4 are staggered. The liquid flowing through the upper through hole 401 will impact the lower impact plate 4, and only a small amount of liquid will pass through the through hole 401 of the lower impact plate 4.
[0034] The manifold 3 has three layers on the outer wall of the mixing chamber 1, with a certain number of layers in each layer. The upper end of the manifold 3 is the liquid inlet, and the lower end is the liquid outlet. The liquid inlet of the manifold 3 is located below the impact plate 4. The liquid inlet of the manifold 3 is collinear with the conical inclined surface of the top surface of the impact plate 4. That is, the liquid impacted by the impact plate 4 will flow along the conical surface of the top surface of the impact plate 4 to the liquid inlet of the manifold 3, and finally spray out from the liquid outlet of the manifold 3.
[0035] Mixing Chamber 1: As the core space for material mixing, it is equipped with a mixing mechanism to provide a mixing place for the liquid material pumped in through the inlet 101. Finally, the mixed liquid material is discharged from the outlet 102.
[0036] Protective shell 2: It surrounds the manifold 3, protecting it from external factors and ensuring the overall stability of the equipment operation.
[0037] Manifold 3: Three layers are set on the outer wall of mixing chamber 1. Part of the liquid material after being impacted by impact plate 4 is collected through the liquid inlet and then sprayed out from the liquid outlet. The sprayed liquid material is mixed with liquid material flowing in other directions to promote uniform mixing of materials.
[0038] Impact plate 4: Installed inside the mixing chamber 1, its top conical design allows the liquid to spread outwards after impact, and the through holes 401 on the surface allow some liquid to pass through. The impact plate 4 is also fixed to the inner wall of the mixing chamber 1 by the connecting rod 402 to ensure structural stability.
[0039] Impact ring 5: Fixed to the inner wall of mixing chamber 1, the inclined surface of the top surface causes the impacted liquid to converge towards the axis of mixing chamber 1, and the cutting blade 501 on the top surface is used to cut and disrupt the liquid flowing through the gap between the impact plate 4 and the inner wall of mixing chamber 1, thereby promoting material mixing.
[0040] Inlet 101: One end is fixedly connected to the mixing chamber 1, and the other end is connected to the feed pump through a flange. It is used to pump the mixture of raw materials, solvents and catalysts for the preparation of allopurinol into the mixing chamber 1.
[0041] Discharge port 102: Fixedly connected to mixing chamber 1, used to discharge the liquid material that has been fully mixed in mixing chamber 1.
[0042] Through hole 401: It is opened on the surface of the impact plate 4 to allow some liquid to pass through and mix with liquid flowing in other directions, thus promoting the mixing effect of materials.
[0043] Connecting rod 402: One end is fixedly connected to the outer wall of the impact plate 4, and the other end is fixed to the inner wall of the mixing chamber 1, which serves to support and fix the impact plate 4, ensuring that the impact plate 4 is stable in the mixing chamber 1.
[0044] Cutting blade 501: Fixed on the top surface of the impact ring 5, used to cut and disrupt the liquid flowing through the gap between the impact plate 4 and the inner wall of the mixing chamber 1, so that it can be better mixed with other liquids and enhance the mixing effect.
[0045] Working principle:
[0046] This application connects to a feed pump via a flange on the feed port 101. The feed liquid (a mixture of raw materials, solvent, and catalyst for allopurinol preparation) is pumped into the mixing chamber 1 through the feed port 101. The feed liquid first impacts the impact plate 4, with some passing through the through hole 401. Most of the feed liquid is propelled towards the inlet end of the first-layer manifold 3 by the impact of the impact plate 4 and eventually discharged from the outlet end of the manifold 3. A portion of the feed liquid exits through the gap between the impact plate 4 and the inner wall of the mixing chamber 1. As the liquid flows through the gap, it is impacted by the impact ring 5 and cut and disrupted by the cutting blade 501. The disrupted liquid will converge at the axis of the mixing chamber 1 along the inclined surface of the cutting blade 501 and mix with the liquid flowing through the through hole 401, forming irregular turbulence. The irregular turbulence will also mix with the liquid sprayed from the outlet end of the manifold 3, causing the liquid to converge and impact from three directions. Finally, under the impact of the three mixing mechanisms, the liquid is fully mixed and discharged through the outlet 102.
[0047] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.
Claims
1. A static mixer, comprising a mixing chamber (1), wherein an inlet (101) and an outlet (102) are fixedly connected to both ends of the mixing chamber (1), and flanges are fixedly connected to the ends of the inlet (101) and outlet (102) away from the mixing chamber (1), characterized in that, The outer wall of the mixing chamber (1) is fixedly connected to a manifold (3), and the outer wall of the mixing chamber (1) is fixedly connected to a protective shell (2). The protective shell (2) surrounds the manifold (3), and three mixing mechanisms are provided on the inner side of the mixing chamber (1). The mixing mechanism includes an impact plate (4) and an impact ring (5).
2. A static mixer as described in claim 1, characterized in that: The outer wall of the impact plate (4) is fixedly connected to six connecting rods (402), and the ends of the six connecting rods (402) away from the impact plate (4) are all fixedly connected to the inner wall of the mixing chamber (1).
3. A static mixer as described in claim 2, characterized in that: The top surface of the impact plate (4) is conical, and the surface of the impact plate (4) is provided with through holes (401).
4. A static mixer as described in claim 3, characterized in that: The top surface of the impact ring (5) is set as an inclined surface that slopes downward from the outside to the inside. The impact ring (5) is fixedly connected to the inner wall of the mixing chamber (1). Eight cutting blades (501) are fixedly connected to the top surface of the impact ring (5).
5. A static mixer as described in claim 4, characterized in that: The through holes (401) of the three impact plates (4) are staggered.
6. A static mixer as described in claim 5, characterized in that: The manifold (3) has three layers on the outer wall of the mixing chamber (1). The upper end of the manifold (3) is the liquid inlet and the lower end is the liquid outlet. The liquid inlet of the manifold (3) is located below the impact plate (4) and the liquid inlet of the manifold (3) is collinear with the conical inclined surface of the top surface of the impact plate (4).