CN216171472U

CN216171472U - Novel static mixing device

Info

Publication number: CN216171472U
Application number: CN202122280006.7U
Authority: CN
Inventors: 刘辉; 谢省宾; 张庆宇; 魏东旭; 韦昌鹏; 朱冠宇; 刘春江
Original assignee: Tianjin Ruyou Technology Co ltd
Current assignee: Tianjin Ruyou Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-05
Anticipated expiration: 2031-09-18

Abstract

The utility model provides a novel static mixing device, which consists of a plurality of layers of Johnson nets, wherein each layer of Johnson net consists of a plurality of surface wires; the surface filaments of the first layer are uniformly and equidistantly arranged; uniformly and equidistantly laying a layer of surface wires on the Johnson net of the first layer, enabling the surface wires of the second layer to be parallel to or deflect at a certain angle with the surface wires of the first layer, and continuously parallel to or deflect at a certain angle to uniformly and equidistantly lay a layer of surface wires on the surface wires of the second layer; spreading a plurality of layers by analogy in sequence; and each point of the two layers of surface wires is fixed by welding, so that all the silk strips are connected into a whole. The surface wires of the lower layer serve as the Johnson net and the supporting ribs of the upper layer of Johnson net. Finally, the Johnson web is cut into a predetermined shape by wire cutting. The structure of the utility model reduces the space of the original structure, and the layers are all connected by surface wire welding, thus greatly improving the bearing capacity; the multi-layer johnson mesh structure also greatly enhances the mixing effect of the device.

Description

Novel static mixing device

Technical Field

The utility model relates to a novel static mixing device.

Background

The static mixer has the characteristics of excellent mixing performance, compact structure, flexible operation, convenient installation and the like, and is widely applied to industrial processes of food processing, sewage treatment and the like. The static mixer can effectively strengthen the dispersion and distribution mixing in the liquid-liquid two-phase flow. Therefore, the characteristics of rapid dispersion and mixing of liquid-liquid two-phase flow and liquid drop group evolution in the static mixer cause wide attention of numerous scholars at home and abroad.

Johnson mesh is a widely used element in chemical plants, often used as a static mixer due to its effect of enhancing fluid mixing. The Johnson net is usually manufactured by surface wires and supporting ribs on a high-precision special welding device, and the cross sections of the surface wires are generally triangular, circular, trapezoidal and other figures, so that the Johnson net has the advantages of special V-shaped open pore structure and easiness in backwashing and regeneration. However, most of the johnson nets at present need to be supported by supporting ribs for fixing and reinforcing, the supporting ribs and the surface wires are welded and fused with each other, so that certain gaps are formed between layers when the johnson nets are filled, generally, the supporting ribs of the johnson nets are few, the supporting strength is low, the johnson nets are easy to damage in the processes of transportation, installation, use and disassembly, and unnecessary troubles are caused. A schematic diagram of a generic triangular johnson mesh is shown in fig. 1.

Disclosure of Invention

The utility model aims to solve the problem that the defects in the prior art are overcome, and a novel static mixing device is designed.

In order to solve the technical problems, the technical scheme is that the novel static mixing device comprises:

the specific technical scheme is as follows:

a novel static mixing device is composed of multiple layers of Johnson nets, each layer of Johnson net is composed of multiple surface wires; the surface filaments of the first layer are uniformly and equidistantly arranged; uniformly and equidistantly laying a layer of surface wires on the Johnson net of the first layer, enabling the surface wires of the second layer to be parallel to or deflect at a certain angle with the surface wires of the first layer, and continuously parallel to or deflect at a certain angle to uniformly and equidistantly lay a layer of surface wires on the surface wires of the second layer; spreading a plurality of layers by analogy in sequence; and each point of the two layers of surface wires is fixed by welding, so that all the silk strips are connected into a whole.

The surface wire is a cylinder with a triangular, circular, trapezoidal or other shapes in cross section; each layer is arranged in a right-side up configuration. For example, the apex of the first layer of the triangular mesh is connected to the base of the second layer, the upper base of the trapezoidal first layer is connected to the lower base of the second layer, and the wire contact portions of the two layers are welded together. And then, continuously deflecting a certain angle on the surface wire of the second layer to uniformly and equidistantly tile the surface wire of the first layer, continuously welding the surface wire of the second layer, and repeating the steps to tile the surface wire of the first layer for multiple layers. Thus, the surface wires of the lower layer can be used as the Johnson net and also can be used as the supporting ribs of the upper layer of Johnson net. Finally, the Johnson web is cut into a predetermined shape by wire cutting.

Specifically, the number of johnson mesh layers in the device is 2 and 2 or more, and the number of surface wires is 2 and 2 or more.

Specifically, the width of the bottom edge of the surface filament with the triangular cross section is 0.3mm-10.0mm, and the height of the surface filament is 1.0mm-15.0 mm.

Specifically, the cross section is that the diameter of the round surface wire is between 0.3mm and 10.0 mm.

Specifically, the width of the upper bottom edge of the filament with the cross section of the trapezoid surface is 0.3mm-10.0mm, the width of the lower bottom edge of the filament is 0.3mm-10.0mm, and the height of the filament is 1.0mm-15.0 mm.

In particular, the minimum gap between the surface filaments is between 0.01mm and 3000.00mm, preferably between 0.01mm and 10.00 mm.

In particular, the deflection angle of the filaments of the two layers is between 0 and 90 °.

Specifically, the surface filament size and the gap of each layer are consistent, the surface filament size and the gap between layers are the same or different, and the deflection angles between layers are the same or different.

Specifically, the static mixing device is circular, square, rectangular or other regular or irregular shape; determined by cutting according to the use conditions.

The structure designed by the utility model reduces the space of the original structure, and the filling is simple and convenient; the interlayer is connected by surface wire welding, so that the bearing capacity is greatly improved, and the structure is firmer; the multi-layer johnson mesh structure also greatly enhances the mixing effect of the device.

Drawings

FIG. 1 is a schematic diagram of a generic triangular Johnson mesh;

FIG. 2 is a schematic view of a triangular static mixing device in an example;

FIG. 3 is a front and partial view of a triangular static mixing device; wherein 1, 2, 3 represent

layers

1, 2, 3 of the device, respectively, 4 represents surface filaments, 5 represents the apex of an isosceles triangle of the cross-section of the surface filaments, 6 represents the base of an isosceles triangle of the surface filaments, H represents the height of the surface filaments, W represents the width of the surface filaments, and d represents the minimum gap between the surface filaments.

FIG. 4 is a schematic view of a circular static mixing device in an example;

FIG. 5 is a front and partial view of a circular static mixing device; where 1, 2, 3 represent the 1 st, 2, 3 rd layers of the device, respectively, 4 represents the surface filaments with a circular cross-section, D represents the diameter of the surface filaments, and D represents the minimum gap between the surface filaments.

FIG. 6 is a schematic view of an example trapezoidal static mixing device;

FIG. 7 is a front and partial view of a trapezoidal static mixing device; where 1, 2, 3 represent

layers

1, 2, 3 respectively of the device, 4 represents a surface filament with a trapezoidal cross-section, H represents the height of the trapezoid, W1 represents the width of the lower base of the trapezoid, W2 represents the width of the upper base of the trapezoid, and d represents the minimum gap between surface filaments.

FIG. 8 is a plan view from above of a trapezoidal static mixing device; the angle between the surface filaments of the bottommost layer and the second layer is 45 degrees, and the angle between the surface filaments of the second layer and the topmost layer is 30 degrees.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The utility model is described in further detail below with reference to the accompanying drawings:

as shown, a novel static mixing device is composed of multiple layers of johnson mesh, each layer of johnson mesh is composed of multiple surface wires, and the surface wires are cylinders with cross sections in shapes of triangle, circle, trapezoid and the like. The surface filaments in the first layer are uniformly and equidistantly arranged, and a certain gap is reserved between each surface filament. The surface wires with certain gaps are evenly and equidistantly tiled on the Johnson net of the first layer, the surface wires of the second layer and the surface wires of the first layer are parallel or deflect for certain angle distribution, the top point of the first layer of the triangular net is connected with the bottom edge of the second layer, the upper layer of cylinder and the lower layer of cylinder of the circular net are in contact, the upper bottom surface of the trapezoidal first layer is connected with the lower bottom surface of the second layer, and each point of contact of the two layers of surface wires is fixed by welding, so that all the silk strips are connected into a firm whole. Then, the surface wire of the first layer is continuously and evenly tiled on the surface wire of the second layer in parallel or in a certain angle of deflection at equal intervals, and the surface wires are continuously welded into a whole, and the surface wires can be tiled in multiple layers by analogy. Thus, the surface wires of the lower layer can be used as the Johnson net and also can be used as the supporting ribs of the upper layer of Johnson net. Finally, the Johnson web is cut into a predetermined shape by wire cutting.

Example 1:

the novel static mixing device of the present embodiment is shown in fig. 2 and 3:

the static mixing device consists of 3 layers of Johnson nets, such as the 1 st, 2 nd and 3 rd layers shown in figure 3, and the cross section of the surface wire is an isosceles triangle. The deflection angle between layers of the device is 90 degrees, the top 5 and the bottom 6 of the upper and lower layers of Johnson nets are mutually connected and welded and fixed, surface wires 4 of each layer are uniformly and equidistantly arranged, and a certain gap d is reserved for allowing materials to pass through; and the width W and the height H of the surface wire of each layer are consistent, and the gaps d between the surface wires are also consistent. Thus, the surface wires of the lower layer form the Johnson net and can be used as the supporting ribs of the upper layer to reinforce the integral structure. Finally, the prepared static mixing device is cut into a circle after linear cutting to form a final product.

The static mixer is simple and compact in structure, convenient and fast to assemble, reliable in linkage and capable of fully dividing mixed fluid. The fluid flows through the first layer of Johnson net and is divided into a plurality of streams, the second layer of Johnson net and the first layer of Johnson net form a certain deflection angle, the fluid can generate sufficient turbulence effect after flowing through the second layer of Johnson net and is fully mixed, and then the fluid is divided and mixed again through the second layer of Johnson net. The multiple changes in flow direction result in a higher mixing effect than in a conventional static mixer.

Example 2:

the plane johnson mesh device of the present embodiment is shown in fig. 4 and 5:

the static mixing device consists of 3 layers of johnson mesh, as shown in fig. 5,

layers

1, 2, 3, the cross section of the surface wire is circular. The deflection angle between layers of the device is 90 degrees, the surfaces of the surface wires of the upper layer and the lower layer are mutually connected and welded and fixed, the surface wires 4 of each layer are uniformly arranged at equal intervals, and a certain gap d is reserved for allowing materials to pass through; and the diameter D of the surface filaments of each layer is consistent, and the gaps D between the surface filaments are also consistent. Thus, the surface wires of the lower layer form the Johnson net and can be used as the supporting ribs of the upper layer to reinforce the integral structure. Finally, the prepared static mixing device is cut into a circle after linear cutting to form a final product.

The static mixer is simple in structure, convenient and fast to assemble, reliable in linkage and capable of fully dividing mixed fluid. The fluid flows through the first layer of Johnson net and is divided into a plurality of streams, the second layer of Johnson net and the first layer of Johnson net form a certain deflection angle, the fluid can generate sufficient turbulence effect after flowing through the second layer of Johnson net and is fully mixed, and then the fluid is divided and mixed again through the second layer of Johnson net. The multiple changes in flow direction result in a higher mixing effect than in a conventional static mixer.

Example 3

The plane johnson mesh device of the present embodiment is as shown in fig. 6, 7, and 8:

the static mixing device consists of 3 layers of johnson mesh, as shown in fig. 7, layers 1, 2, 3, the cross section of the surface wire is isosceles trapezoid. The deflection angle between the first layer and the second layer is 45 degrees, the deflection angle between the second layer and the third layer is 30 degrees, the upper bottom surfaces and the lower bottom surfaces of the surface wires of the upper layer and the lower layer are mutually connected and welded and fixed, the surface wires 4 of each layer are uniformly arranged at equal intervals, and a certain gap d is reserved for materials to pass through; the height H of the surface wire of each layer is consistent with the widths W1, W2 of the upper bottom surface and the lower bottom surface, and the gaps d between the surface wires are also consistent. Thus, the surface wires of the lower layer form the Johnson net and can be used as the supporting ribs of the upper layer to reinforce the integral structure. Finally, the prepared static mixing device is cut into a circle after linear cutting to form a final product.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims. Details not mentioned in the above embodiments can be implemented by the prior art.

Claims

1. A novel static mixing device is characterized by comprising a plurality of layers of Johnson nets, wherein each layer of Johnson net comprises a plurality of surface wires; the surface filaments of the first layer are uniformly and equidistantly arranged; uniformly and equidistantly laying a layer of surface wires on the Johnson net of the first layer, enabling the surface wires of the second layer to be parallel to or deflect at a certain angle with the surface wires of the first layer, and continuously parallel to or deflect at a certain angle to uniformly and equidistantly lay a layer of surface wires on the surface wires of the second layer; spreading a plurality of layers by analogy in sequence; and each point of the two layers of surface wires is fixed by welding, so that all the silk strips are connected into a whole.

2. The device of claim 1, wherein the surface wire is a cylinder with a cross-section of a triangle, circle, trapezoid or other shape; each layer is arranged in a right-side up configuration.

3. The apparatus of claim 1, wherein the apparatus has a number of johnson mesh layers of 2 and more than 2 and surface filaments of 2 and more than 2.

4. The device of claim 2, wherein the cross-section is triangular with a face filament base width of between 0.3mm and 10.0mm and a face filament height of between 1.0mm and 15.0 mm.

5. The device of claim 2, wherein the cross-section is circular with a face wire diameter of between 0.3mm and 10.0 mm.

6. The device of claim 2, wherein the cross-section is a trapezoidal surface filament having an upper base width of between 0.3mm and 10.0mm, a lower base width of between 0.3mm and 10.0mm, and a height of between 1.0mm and 15.0 mm.

7. The device of claim 1, wherein the minimum gap between surface filaments is between 0.01mm and 3000.00 mm.

8. The device of claim 1, wherein the minimum gap between surface filaments is between 0.01mm and 10.00 mm.

9. The device of claim 1, wherein the deflection angle of the filaments of the two layers is between 0 and 90 °.

10. The device of claim 1, wherein the surface filaments of each layer are of the same size and spacing, and the surface filaments of the same size and spacing are of the same or different spacing from layer to layer, and the deflection angles are of the same or different from layer to layer.

11. The apparatus of claim 1, wherein the static mixing device is circular, square, rectangular or other regular or irregular shape; determined by cutting according to the use conditions.