High-density-difference solution mixing device
The high-density differential solution mixing device designed with a guide plate and double helical blades solves the problem of uneven mixing of ammonia water and multi-effect organic amine solution, achieving a high-efficiency and energy-saving liquid mixing effect.
Patent Information
- Application Number
- CN202422057169.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The existing technology is difficult to effectively mix ammonia water and multi-effect organic amine solutions with large density differences, resulting in uneven mixing and affecting subsequent process effects.
A high-density differential solution mixing device is adopted, which utilizes the design of guide plate and double helical blades. The liquid is mixed in radial direction through the rotation of the guide plate and the liquid pressure. It is cut by combining multiple groups of radial corrugated plates or spiral blades, and the position of the liquid inlet is controlled to adjust the mixing ratio.
It achieves uniform mixing of liquids of different densities, improves mixing efficiency, saves resources, and avoids additional power input.
Smart Images
Figure CN223439590U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of chemical industry, concretely relates to a high density difference solution mixing device. BACKGROUND
[0002] In chemical production, the heat source is usually provided by a self-provided power plant, and ammonia water or liquid ammonia is generally selected as a reducing agent for flue gas denitration of a power plant boiler. However, the denitration efficiency of ammonia water is limited, so in recent years many enterprises have turned to using multi-effect organic amine as a denitration reducing agent, which not only has no irritating odor, but also is convenient to transport and store. Despite this, multi-effect organic amine is relatively expensive, so most chemical enterprises generally use a mixture of ammonia water and multi-effect organic amine solution to reduce production costs.
[0003] At present, most enterprises use a static mixer to mix the above two liquids, but since the concentration of ammonia water is about 0.9 mol / L and the concentration of organic amine solution is about 1.1 mol / L, the mixing density difference is greater than 0.2, the density difference is large, and the mixed liquid may appear stratification, i.e., form layers of different densities, rather than a uniform mixing state, which can affect the subsequent process or use effect. SUMMARY
[0004] The utility model intends to provide a high density difference solution mixing device to solve the problem that the current mixing device is difficult to uniformly mix liquids with a large density difference.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high density difference solution mixing device, comprising a mixing pipe body, a pair of flow guide discs are arranged in the mixing pipe body, the flow guide discs rotate relative to the inner wall of the mixing pipe body, the pair of flow guide discs sequentially divide the mixing pipe body into a liquid inlet chamber, a strong mixing chamber and a liquid outlet chamber, a partition is arranged in the liquid inlet chamber, the partition divides the liquid inlet chamber into an upper chamber and a lower chamber, the upper chamber is provided with a first liquid inlet, the lower chamber is provided with a second liquid inlet, an axial double helical blade is arranged in the strong mixing chamber, the double helical blade is fixed on a first rotating shaft, the first rotating shaft passes through the corresponding end flow guide disc and is rotatably connected with the flow guide disc, the flow guide hole is an inclined hole, and the inclined direction of the flow guide hole can be decomposed into a tangent direction along the rotation of the flow guide disc and an axial direction of the rotation of the flow guide disc.
[0006] The principle of the scheme is: different density liquids are added to the first liquid inlet and the second liquid inlet respectively, then the two liquids enter the liquid inlet chamber, and then enter the strong mixing chamber from the flow guide holes on the flow guide disc. When the liquid passes through the flow guide disc, the kinetic energy of the liquid is partially converted into the pushing force on the hole wall, thereby realizing the rotation of the flow guide disc. During the rotation of the flow guide disc, a kind of liquid exists in the flow guide hole of the flow guide disc. When the flow guide disc rotates to the position of another kind of liquid, the liquid will push out the last kind of liquid remaining in the flow guide hole, so that the two liquids are mixed in the radial direction. The flow guide disc rotates repeatedly to realize the radial mixing of the two liquids. After the liquids are mixed in the strong mixing chamber, they are discharged to the liquid outlet chamber, and finally discharged from the liquid outlet of the liquid outlet chamber.
[0007] The advantages of the scheme are: the flow guide disc rotates relative to the mixing pipe body, and the liquid pressure and the structure of the flow guide disc enable the two liquids to be mixed in the radial direction, so that the mixing effect of liquids with different densities is better. By providing two liquid inlets, the liquid mixing ratio can be easily controlled to ensure the mixing effect. The liquid pressure makes the double helical blades and rotating blades rotate to mix the liquids, without the need for additional power, saving resources.
[0008] Preferably, a plurality of radial corrugated plates or helical blades are arranged in the liquid outlet chamber, and the corrugated plates or helical blades are arranged on the inner wall of the liquid outlet chamber through a second rotating shaft. The plurality of radial corrugated plates or helical blades are used to cut the mixed liquid. The plurality of radial corrugated plates or helical blades are used to cut the mixed liquid multiple times, so that the mixing effect of liquids with different densities is better.
[0009] Preferably, the installation angles of adjacent helical blades are different. In this way, the position of the liquid being cut by the multiple helical blades is different, so that the mixing effect of liquids with different densities is better.
[0010] Preferably, the first liquid inlet and the second liquid inlet are symmetrically arranged along the axis of the mixing pipe body.
[0011] Preferably, the first liquid inlet is used to add a liquid with a larger density, and the second liquid inlet is used to add a liquid with a smaller density. In this way, after the two liquids are added to the liquid inlet chamber, the liquid with a larger density will flow downward, and the liquid with a smaller density will flow upward, so that the mixing effect of the two liquids is enhanced.
[0012] Preferably, the diameters of the first liquid inlet and the second liquid inlet are the same.
[0013] Preferably, the axis of the first rotating shaft is the same as the axis of the strong mixing chamber. In this way, the double helical blades are located in the middle part of the strong mixing chamber, which is more conducive to uniformly mixing liquids with different densities.
[0014] Preferably, a groove for mounting the flow guide disc is arranged on the inner wall of the mixing pipe body.
[0015] Preferably, the strong mixing chamber is cylindrical. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure schematic view of the first rotating shaft, double helical blade and flow guide disc of the utility model.
[0017] Figure 2 It is a structure schematic view of the second rotating shaft and helical blade of the utility model.
[0018] Figure 3 It is a sectional view schematic view of the utility model. DETAILED DESCRIPTION
[0019] The following is further explained in detail through specific embodiments:
[0020] The reference signs in the drawings of the specification include: mixing pipe body 1, liquid inlet chamber 11, strong mixing chamber 12, liquid outlet chamber 13, first liquid inlet 14, second liquid inlet 15, liquid outlet 16, first rotating shaft 2, double helical blade 3, second rotating shaft 4, helical blade 5, flow guide disc 6.
[0021] Embodiment:
[0022] A high-density difference solution mixing device, as shown in the accompanying drawings, includes a mixing pipe body 1, and a pair of flow guide discs 6 are arranged in the mixing pipe body 1, the flow guide discs 6 rotate relative to the inner wall of the mixing pipe body 1, and the pair of flow guide discs 6 sequentially divide the mixing pipe body 1 into a liquid inlet chamber 11, a strong mixing chamber 12 and a liquid outlet chamber 13. Figure 1 Figure 2 Figure 3 In this embodiment, two flow guide discs 6 are arranged, wherein, after the liquid enters the liquid inlet chamber 11, the liquid enters the strong mixing chamber 12 from the flow guide hole of the first flow guide disc 6, then enters the liquid outlet chamber 13 from the flow guide hole of the second flow guide disc 6, and finally is discharged from the liquid outlet 16 of the liquid outlet chamber 13. The flow guide hole of the flow guide disc 6 is an inclined hole, and the inclined arrangement of the flow guide hole is more conducive to the rotation of the flow guide disc 6 driven by the liquid. The direction of the inclined flow guide hole can be decomposed into the tangential direction of the rotation of the flow guide disc 6 and the axial direction of the rotation of the flow guide disc 6. In this way, part of the kinetic energy of the liquid is converted into the pushing force on the hole wall, so as to realize the rotation of the flow guide disc 6.
[0023] A groove for mounting the flow guide disc 6 is arranged on the inner wall of the mixing pipe body 1, and the strong mixing chamber 12 is cylindrical.
[0024] The liquid inlet chamber 11 is provided with a partition plate, the partition plate divides the liquid inlet chamber 11 into an upper chamber and a lower chamber, the upper chamber is provided with a first liquid inlet 14, the lower chamber is provided with a second liquid inlet 15, the first liquid inlet 14 and the second liquid inlet 15 are symmetrically arranged along the axis of the mixing pipe body 1, the liquid inlet chamber 11 is divided by the partition plate, and two liquid inlets are arranged, so that the liquid mixing ratio can be conveniently controlled, and the mixing effect is guaranteed.
[0025] The first liquid inlet 14 is used for adding a liquid with a large density, and the second liquid inlet 15 is used for adding a liquid with a small density. In this way, after the two liquids are added to the liquid inlet chamber 11, the liquid with a large density flows downward, and the liquid with a small density flows upward, so that the mixing effect of the two liquids can be enhanced. The diameter of the first liquid inlet 14 is the same as that of the second liquid inlet 15.
[0026] The side wall of the liquid outlet chamber 13 is provided with a liquid outlet 16, the liquid outlet 16 is located on the end face of the liquid outlet chamber 13, and the axis of the liquid outlet 16 is the same as that of the mixing pipe body 1. The liquid outlet 16 is arranged at the middle part of the end face of the mixing pipe body 1, so that the mixed liquid can be conveniently discharged.
[0027] The strong mixing chamber 12 is provided with an axial double helical blade 3, the double helical blade 3 is fixed on the first rotating shaft 2, the first rotating shaft 2 penetrates through the corresponding end flow guide disc 6 and is rotationally connected with the flow guide disc 6, and the first rotating shaft 2 is rotationally connected with the side wall of the liquid inlet chamber 11 and penetrates out of the side wall of the liquid inlet chamber 11 close to the end of the liquid inlet chamber 11. The axial double helical blade 3 is driven to rotate by the mixed liquid to enhance the mixing and guarantee the mixing effect of the two liquids with large densities. The axis of the first rotating shaft 2 is the same as that of the strong mixing chamber 12. In this way, the double helical blade 3 is located in the middle part of the strong mixing chamber 12, and the different density liquids can be more uniformly mixed.
[0028] The liquid outlet chamber 13 is provided with a plurality of groups of radial corrugated plates or helical plates 5, the corrugated plates or helical plates 5 are fixedly arranged on the inner wall of the liquid outlet chamber 13 through the second rotating shaft 4, and the plurality of groups of radial corrugated plates or helical plates 5 are used for cutting the mixed liquid. In the present embodiment, the helical plates 5 are used, the installation angles of adjacent helical plates 5 are different, the positions at which the liquid is cut are different when the liquid passes through the plurality of helical plates, and the plurality of groups of radial helical blades cut the mixed liquid for multiple times, so that the mixing effect of the liquids with different densities is better.
[0029] The specific implementation process is as follows:
[0030] When two liquids with large density difference need to be mixed (in this embodiment, the organic amine solution and the ammonia solution are mixed), the liquids with different densities are added to the first liquid inlet 14 and the second liquid inlet 15 respectively, and then the two liquids enter the liquid inlet chamber 11, and then enter the strong mixing chamber 12 from the flow guide holes on the first flow guide disc 6. Since the flow guide holes are inclined, part of the kinetic energy of the liquid is converted into the pushing force on the hole wall, thereby realizing the rotation of the flow guide disc 6. Since the flow guide holes have a certain depth, part of the liquid will be left in the flow guide holes during the rotation of the flow guide disc 6. When the flow guide disc 6 rotates to the position of the other liquid, the liquid will push out the remaining liquid of the previous liquid in the flow guide holes, so that the two liquids are mixed in the radial direction. At the same time, the double helical blades 3 rotate under the action of the liquid to mix the liquid. The liquid is mixed after being mixed in the strong mixing chamber 12 and is cut by the corrugated plates or helical blades 5, and finally is discharged from the liquid outlet 16 of the liquid outlet chamber 13.
[0031] The present scheme divides the liquid inlet chamber 11 into two parts by the partition, and sets two liquid inlets, so that the liquid mixing ratio can be conveniently controlled and the mixing effect is ensured. The flow guide disc 6 rotates relative to the mixing pipe body 1, and the liquid pressure and the structure of the flow guide disc 6 are used to mix the two liquids in the radial direction, so that the mixing effect of liquids with different densities is better. The double helical blades 3 and the rotating blades are rotated to mix the liquid by using the liquid pressure, without the need to increase additional power, thereby saving resources. The multiple sets of corrugated plates or helical blades 5 are used to cut and mix the liquid, so that the mixing effect of the two liquids is better.
[0032] The above only describes the embodiments of the present application, and the well-known specific technical solutions and / or common knowledge of characteristics are not described in detail. It should be noted that, for those skilled in the art, without departing from the technical solutions of the present application, a number of modifications and improvements can be made. In the present application, unless otherwise specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected. It can be directly connected, or it can be indirectly connected through an intermediate medium. It can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The protection scope of the present application should be subject to the content of the claims, and the specific embodiments and the like in the specification can be used to explain the content of the claims.
Claims
1. A high-density solution mixing device, comprising a mixing tube, characterized in that: The mixing tube body is provided with a pair of guide plates, and the guide plates rotate relative to the inner wall of the mixing tube body. The paired guide plates divide the mixing tube body into a liquid inlet chamber, a strong mixing chamber and a liquid outlet chamber in sequence. A partition is provided in the liquid inlet chamber, and the partition divides the liquid inlet chamber into an upper chamber and a lower chamber. The upper chamber is provided with a first liquid inlet, and the lower chamber is provided with a second liquid inlet. Axial double helical blades are provided in the strong mixing chamber, and the double helical blades are fixed on a first rotating shaft. Both ends of the first rotating shaft pass through the guide plates at the corresponding ends and are rotatably connected to the guide plates. The guide holes on the guide plates are inclined holes, and the inclination direction of the guide holes can be decomposed into a tangential direction along the rotation of the guide plate and an axial direction of the rotation of the guide plate.
2. The high-density differential solution mixing device according to claim 1, characterized in that: The liquid outlet chamber is provided with a plurality of radial corrugated plates or spiral blades, which are rotatably arranged on the inner wall of the liquid outlet chamber via a second rotating shaft. The plurality of radial corrugated plates or spiral blades are used for cutting the mixed liquid.
3. The high-density differential solution mixing device according to claim 2, characterized in that: The installation angles of adjacent spiral sheets are different.
4. The high-density differential solution mixing device according to claim 1, characterized in that: The first liquid inlet and the second liquid inlet are symmetrically arranged along the axis of the mixing tube body.
5. The high-density differential solution mixing device according to claim 1, characterized in that: The first liquid inlet is used for adding liquid with a larger density, and the second liquid inlet is used for adding liquid with a smaller density.
6. The high-density differential solution mixing device according to claim 1, characterized in that: The diameter of the first liquid inlet is the same as the diameter of the second liquid inlet.
7. The high-density differential solution mixing device according to claim 1, characterized in that: The axis of the first rotating shaft is the same as the axis of the strong mixing chamber.
8. The high-density differential solution mixing device according to claim 1, characterized in that: The inner wall of the mixing tube body is provided with a groove for installing the guide plate.
9. The high-density differential solution mixing device according to claim 1, characterized in that: The intensive mixing chamber is cylindrical.