CN214020151U

CN214020151U - Static mixer

Info

Publication number: CN214020151U
Application number: CN202023043164.2U
Authority: CN
Inventors: 王允飞
Original assignee: Nantong Hongda Petrochemical Equipment Manufacturing Co ltd
Current assignee: Nantong Hongda Petrochemical Equipment Manufacturing Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-24
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a static mixer, including the hybrid chamber, the hybrid chamber is equipped with a plurality of mixing element, and the radial inside that extends into the hybrid chamber of second entry to form the dispersion chamber, the wall that the dispersion chamber kept away from first entry is equipped with the orifice of a plurality of equipartitions, and the part material can be followed the spout of the orifice department fast-speed and spun, does benefit to and breaks up and mixes, and mixing element can produce the tangential vortex to the material, improves the mixed effect of dispersion, realizes better deep mixing.

Description

Static mixer

Technical Field

The utility model relates to a blender technical field, in particular to static mixer.

Background

The mixer is provided with a mixing element, and the materials can generate turbulent flow under the action of the mixing unit, so that various materials can be mixed with each other. But the existing mixing element structure is difficult to effectively form tangential turbulence, so that the mixing effect is not good, and the inlet structure of the mixing cavity is simpler, so that the materials cannot be well dispersed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a static mixer, its second entry is equipped with the dispersion chamber, and the dispersion chamber is equipped with the orifice, and partial material can be followed the blowout that the dispersion chamber is higher, disperses the material to improve mixed effect, the entrance of having solved current blender does not carry out the effective dispersion to the material, influences the problem of mixing quality.

To achieve the purpose, the utility model adopts the following technical proposal:

a static mixer comprises a mixing cavity, wherein one end of the mixing cavity is provided with a first inlet, and the other end of the mixing cavity is provided with an outlet;

the mixing cavity is provided with a plurality of mixing elements;

the end part of the mixing cavity close to the first inlet is provided with a second inlet;

the second inlet extends into the mixing cavity in the radial direction and forms a dispersion cavity;

the wall surface of the dispersion cavity far away from the first inlet is provided with a plurality of uniformly distributed spray holes.

Therefore, the second inlet extends into the dispersion cavity formed in the mixing cavity, the dispersion cavity is provided with the spray holes, and partial materials can be sprayed out from the spray holes at a high speed, so that the materials can be better dispersed, and the mixing quality is improved.

In some embodiments, the end of the dispersion chamber is provided with a chamfered cut, and the chamfered cut is inclined in a direction away from the first inlet.

From this, the setting of scarf does benefit to collision each other between the material, improves mixing quality.

In some embodiments, the mixing element is formed by a plurality of blades of different lengths connected in a cross-like manner.

From this, the cross-type blade of different length can promote the material to produce different vortex, improves the degree of consistency of mixing.

In some embodiments, both ends of the blade are also provided with an airfoil.

From this, the setting of fin further makes the material produce different vortex to more abundant utilization space makes the different positions of material produce the vortex, improves the homogeneity of mixing.

In some embodiments, the mixing element comprises a first blade, a second blade and a third blade, the first blade is provided with two blades and is connected in a crossed manner;

the end part of each first blade is provided with a second blade and a third blade;

two ends of the first blade are provided with first wing pieces;

the two ends of the second blade and the third blade are both provided with second wing pieces.

Therefore, the blades and the fins with different lengths form uniformly distributed mixing elements, and the mixing quality is improved.

In some embodiments, adjacent mixing elements are rotationally offset along the axis of the mixing chamber.

Thereby, different turbulence can be generated when the material is promoted to flow through each mixing element through different deflection angle settings.

In some embodiments, the rotational offset between two adjacent mixing elements along the axis of the mixing chamber is 90 degrees.

In some embodiments, the first inlet, the outlet and the second inlet are each provided with a flange structure.

The utility model has the advantages that: the second inlet is provided with a dispersion cavity, the dispersion cavity is provided with spray holes, and part of materials can be sprayed out from the dispersion cavity at a high speed to disperse the materials, so that the mixing effect is improved;

and, mixing element is formed by the crisscross connection of a plurality of blades, can produce tangential vortex to the material, improves the dispersion and mixes the effect, realizes better deep mixing.

Drawings

FIG. 1 is a block diagram of a static mixer of the present invention;

FIG. 2 is a partial block diagram of FIG. 1 at A;

FIG. 3 is a partial block diagram of FIG. 1 at B;

wherein: 1-a mixing chamber; 11-a first inlet; 12-an outlet; 2-a second inlet; 21-a dispersion chamber; 211-spraying holes; 212-oblique cuts; 3-a mixing element; 31-a first blade; 32-a second blade; 33-a third blade; 34-a first fin; 35-second tab.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, a static mixer comprises a mixing chamber 1, one end of the mixing chamber 1 is provided with a first inlet 11, and the other end of the mixing chamber 1 is provided with an outlet 12;

the mixing chamber 1 is provided with a plurality of mixing elements 3;

the end part of the mixing cavity 1 close to the first inlet 11 is provided with a second inlet 2;

the second inlet 2 extends radially inside the mixing chamber 1 and forms a dispersion chamber 21;

the wall surface of the dispersion chamber 21 remote from the first inlet 11 is provided with a plurality of evenly distributed spray holes 211.

Further, the end of the dispersion chamber 21 is provided with a chamfered notch 212, and the chamfered notch 212 is inclined in a direction away from the first inlet 11.

Further, the mixing element 3 is formed by connecting a plurality of blades of different lengths in a cross manner.

Further, the two ends of the blade are provided with vanes.

Further, the mixing element 3 comprises a first blade 31, a second blade 32 and a third blade 33, wherein two first blades 31 are connected in a crossed manner;

the end part of each first blade 31 is provided with a second blade 32 and a third blade 33;

both ends of the first blade 31 are provided with first vanes 34;

the second blade 32 and the third blade 33 are provided with second blades 35 at both ends.

Further, the adjacent two mixing elements 3 are arranged along the axial line of the mixing cavity 1 in a rotating deflection angle.

Further, the rotational deviation angle between two adjacent mixing elements 3 along the axis of the mixing chamber 1 is 90 degrees.

Further, the first inlet 11, the outlet 12 and the second inlet 2 are all provided with flange structures.

The working principle is as follows:

the mixing chamber 1 that this blender includes, mixing chamber 1 comprises the tubular member, is equipped with a plurality of mixing element 3 in, and the one end of this mixing chamber 1 is first entry 11, and the other end is export 12, and the tip that is close to first entry 11 is equipped with second entry 2, and second entry 2 can be the tubulose constitution to radially insert in mixing chamber 1 to be formed with dispersion chamber 21 in mixing chamber 1 inside, the wall that dispersion chamber 21 kept away from first entry 11 is equipped with a plurality of orifices 211.

Two kinds of materials that need to mix get into mixing chamber 1 from first entry 11 and second entry 2 respectively, and some materials in dispersion chamber 21 are because of the effect of certain pressure down from the higher blowout of orifice 211 department, form certain dashing and dispersing and mix to the tip of second entry 2 still is equipped with inclined cut 212, makes two materials can form in this cut 212 department and collide the mixing, thereby improves the mixing quality between the material.

Then, the material flows along the axial of mixing chamber 1 and flows through a plurality of mixing element 3 in proper order, mixing element 3 is formed by the blade crossing connection of a plurality of different length, specifically be equipped with two longer first blades 31, two first blades 31 are the crossing connection, set up second blade 32 and third blade 33 in the both ends of first blade 31 again, the both ends of first blade 31 all are equipped with first fin 34, the both ends of second blade 32 and third blade 33 all are equipped with second fin 35, so the structure has three vertical cavity structures, and form twelve 90 degrees hard flow direction changes, produce different tangential to the material, make the better dispersion and the mixture of material, reach the deep mixing effect of vortex, and the hole that this structure formed is great, do benefit to reducing the pressure drop, the economic nature is better.

Also, the mixing element 3 has first to seventh inlet channels which are spatially cut and staggered, the first inlet channel having four openings and four outlets, the second inlet channel having four inlets and four outlets, the third inlet channel having five inlets and five outlets, the fourth inlet channel having six inlets and six outlets, the fifth inlet channel having six inlets and six outlets, the sixth inlet channel having five inlets and five outlets, and the seventh inlet channel having four inlets and four outlets. In a sectional plane perpendicular to the axis and disposed at the mixer inlet, the ratio of the cross-sectional area of the remaining free cross-sectional area to the cross-sectional area of the continuous channel is at least 5: 1. and the aspect ratio of the individual mixing elements 3 must not be greater than 1: 1, the RA value of the mixing element 3 is required to be 0.6 or less.

Further, the rotational offset angle between each adjacent mixing element 3 can be set, for example, the offset angle is 90 degrees, so that the materials can be better dispersed and uniformly mixed.

It is understood that the mixer has the characteristics of high open property, high shearing property, low pressure drop and the like, and is suitable for mixing high-viscosity polymers and oil-state materials.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A static mixer is characterized by comprising a mixing cavity (1), wherein one end of the mixing cavity (1) is provided with a first inlet (11), and the other end of the mixing cavity (1) is provided with an outlet (12);

the mixing chamber (1) is provided with a plurality of mixing elements (3);

a second inlet (2) is arranged at the end part of the mixing cavity (1) close to the first inlet (11);

the second inlet (2) extends radially into the mixing chamber (1) and forms a dispersion chamber (21);

the wall surface of the dispersion cavity (21) far away from the first inlet (11) is provided with a plurality of uniformly distributed spray holes (211).

2. A static mixer according to claim 1, wherein the end of the dispersion chamber (21) is provided with a chamfer cut (212), and the chamfer cut (212) is inclined in a direction away from the first inlet (11).

3. A static mixer according to claim 1, wherein said mixing element (3) is formed by a plurality of blades of different lengths connected in a cross-like manner.

4. A static mixer according to claim 3, wherein said blades are further provided with fins at both ends.

5. A static mixer according to claim 4, wherein said mixing element (3) comprises a first blade (31), a second blade (32) and a third blade (33), said first blade (31) being provided with two and crossed connections;

the end part of each first blade (31) is provided with the second blade (32) and the third blade (33);

both ends of the first blade (31) are provided with first vanes (34);

and second vanes (35) are arranged at two ends of the second blade (32) and the third blade (33).

6. A static mixer according to any one of claims 1-5, wherein adjacent mixing elements (3) are arranged with a rotational offset angle along the axis of the mixing chamber (1).

7. A static mixer according to claim 6, wherein the rotational offset between two adjacent mixing elements (3) along the axis of the mixing chamber (1) is 90 °.

8. A static mixer according to claim 7, wherein the first inlet (11), the outlet (12) and the second inlet (2) are provided with flange structures.