CN215138727U

CN215138727U - Butterfly type static mixer

Info

Publication number: CN215138727U
Application number: CN202121023191.5U
Authority: CN
Inventors: 孙艳飞; 任宏雷
Original assignee: Luoyang Deming Petrifaction Equipment Co ltd
Current assignee: Luoyang Deming Petrifaction Equipment Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-14
Anticipated expiration: 2031-05-13

Abstract

A butterfly static mixer, relate to the petrochemical field, the utility model discloses a set up the guide plate (3) on the shell (2), set up guide vane on the guide plate, the main fluid (4) forms the eddy current after passing through guide vane, the fluid (5) mixed enters into the position close to guide vane through mixing medium inlet tube (1) at the same time, the fluid mixed changes the flow direction through guide vane, make the fluid mixed become predetermined angle and cut with the main fluid, and strengthen the torrent, thus strengthen mixing effect etc., the utility model discloses than traditional mixer length greatly shorten, difficult jam, because length shortens and has reduced the on-way resistance loss, thereby make full use of the pressure energy of fluid and carry out efficient mixing etc. two-phase flow, the utility model discloses whole pressure drop is little, mixes effectually, overall structure is simple, long service life, and is with low costs, therefore, the method is suitable for occasions where various industries need to be mixed.

Description

Butterfly type static mixer

Technical Field

The utility model relates to a petrochemical field especially relates to a blender, concretely relates to butterfly static mixer.

Background

As is known, a mixer is an advanced, high-performance, low-cost to operate and maintain, durable mixing plant unit, which, due to its characteristics, has found wide applications in mixing, emulsification, reaction and heat transfer. Compared with stirring type mixing equipment, the existing mixer has no mechanical moving part, does not depend on a rotary stirring structure to mix multiphase fluid, but adopts an optimized design structure unit to enable the fluid to generate vortex and turbulence when passing through the mixing unit, so that the two-phase flow can be efficiently mixed in the rotating and turbulence processes of the multiphase fluid, and the energy consumption is also saved due to the absence of the moving part.

The mixing unit of the existing mixer is generally composed of a plurality of groups of guide plates which are not parallel to the axis, multiphase fluid enters the mixing unit after simultaneously entering the same upstream pipeline, and the flow direction is constantly changed by rotating left and right in time when the multiphase fluid passes through the mixing unit, so that the middle fluid of the parallel flowing fluid in an ideal state is pushed to the periphery, and the peripheral fluid is also pushed to the middle, thereby achieving good mixing effect.

The existing mixer can be applied to mixing of liquid-liquid, liquid-gas, liquid-solid, gas-gas and other state media, and has better effect on fluids with different viscosity ranges, namely intermittent operation or continuous operation. However, the existing mixer adopts a structure of a plurality of groups of guide plates, so that the overall size of the existing mixer is longer, the on-way resistance loss is increased, and the problem of easy blockage is caused due to the smaller channel area, so that how to provide the butterfly static mixer is very important.

Disclosure of Invention

For overcoming the not enough of existence among the background art, the utility model provides a butterfly static mixer, the utility model discloses a set up the guide plate on the shell, set up guide vane on the guide plate, the main fluid forms the vortex flow after passing through guide vane, and the fluid that is mixed simultaneously enters into the position that is close to guide vane through mixing the medium inlet tube, and the fluid that is mixed passes through guide vane and changes the flow direction, makes the fluid that is mixed become predetermined angle and take place to cut with the main fluid to strengthen the torrent, thereby strengthen mixing effect etc..

In order to achieve the above purpose, the present invention adopts the following technical solutions:

the utility model provides a butterfly static mixer, includes mixed medium inlet tube, shell and guide plate be equipped with at least one through-hole that link up to shell inner fringe face on the outer fringe face of shell be equipped with mixed medium inlet tube in the through-hole, be equipped with the guide plate in the left side of shell inner fringe face the middle part of guide plate is equipped with the water conservancy diversion hole the side symmetry in water conservancy diversion hole is equipped with at least a set of guide vane, the end of mixed medium inlet tube passes the through-hole and extends to guide vane's top and forms butterfly static mixer.

The angle between the guide vane and the end face of the guide plate of the butterfly static mixer is 15-30 degrees.

The shell of the butterfly static mixer is of a circular ring structure.

The flow guide hole of the butterfly static mixer is any one of a dumbbell-shaped hole, a special-shaped hole or a cross-shaped hole.

When the guide hole is a dumbbell-shaped hole, a group of inward extending guide vanes A are symmetrically arranged on two sides of the dumbbell-shaped hole, and the angle between each inward extending guide vane A and the end face of the guide plate is 15-30 degrees.

When the guide hole is a special-shaped hole, two groups of inward extending guide vanes B are symmetrically arranged on the side edge of the special-shaped hole, and the angle between each inward extending guide vane B and the end face of the guide plate is 15-30 degrees.

When the guide hole is a cross-shaped hole, a group of inward extending guide vanes C are symmetrically arranged on two sides of the cross-shaped hole, and the angle between each inward extending guide vane C and the end face of the guide plate is 15-30 degrees.

The included angle between the central axis of the through hole and the radial center of the shell of the butterfly static mixer is 0-30 degrees.

The guide plate is welded on the inner edge surface of the shell.

The butterfly static mixer, the mixed medium inlet pipe is welded in the through hole.

Adopt technical scheme as above, the utility model discloses the superiority as follows has:

the utility model discloses a set up the guide plate on the shell, set up guide vane on the guide plate, the main fluid forms the vortex flow behind the guide vane, and the fluid that is mixed simultaneously enters into the position that is close to guide vane through mixing the medium inlet tube, and the fluid that is mixed passes through guide vane change flow direction, makes the fluid that is mixed become predetermined angle and takes place to cut with the main fluid to strengthen the torrent, thereby strengthen mixing effect etc, the utility model discloses more traditional blender length shortens greatly, is difficult for blockking up, because length shortens to have reduced on-the-way resistance loss, thereby make full use of fluidic pressure energy makes the two-phase flow carry out efficient mixing etc, the utility model discloses whole pressure drop is little, mixes effectually, and overall structure is simple, long service life, and is with low costs, consequently is fit for the occasion that each trade needs to mix.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the deflector of the present invention;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

fig. 5 is a schematic structural view of the special-shaped flow guide hole of the present invention;

FIG. 6 is a schematic view of the medium flow direction in the embodiment of the present invention;

fig. 7 is a schematic structural view of a guide vane of the present invention;

fig. 8 is a schematic view of the application of the present invention;

in the figure: 1. a mixed media inlet pipe; 2. a housing; 3. a baffle; 301. extending the guide vane A inwards; 302. a dumbbell-shaped hole; 303. a profiled hole; 304. extending the guide vane B inwards; 305. a cross-shaped hole; 306. extending the guide vane C inwards; 4. a primary fluid; 5. a fluid to be mixed; 6. swirling; 7. an upstream pipeline flange; 8. a mixer upstream line; 9. a downstream pipeline flange; 10. a line downstream of the mixer.

Detailed Description

The present invention will be explained in more detail by the following examples, which are not intended to limit the scope of the invention;

it should be noted that the directions and positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. used in describing the structure of the present invention are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

The butterfly static mixer shown by the attached figures 1-8 comprises a mixed medium inlet pipe 1, a shell 2 and a guide plate 3, wherein the shell 2 is of a circular structure, and the length of the shell 2 is short during implementation, so that the on-way resistance loss caused by friction is reduced, the kinetic energy of fluid is fully utilized on mixing, in addition, as the number of mixing units is small, compared with the traditional static mixer with a plurality of serial-connected plates, the possibility of blockage is greatly reduced, the maintenance cost is reduced, at least one through hole penetrating through the inner edge surface of the shell 2 is arranged on the outer edge surface of the shell 2, the included angle between the central axis of the through hole and the radial center of the shell 2 is 0-30 degrees, the mixed medium inlet pipe 1 is arranged in the through hole, the mixed medium inlet pipe 1 is welded in the through hole, the guide plate 3 is arranged on the left side of the inner edge surface of the shell 2, the middle part of the guide plate 3 is provided with a guide hole, the guide hole is any one of a dumbbell-shaped hole 302, a special-shaped hole 303 or a cross-shaped hole 305, at least one group of guide vanes are symmetrically arranged on the side edge of the guide hole, the angle between each guide vane and the end surface of the guide plate 3 is 15-30 degrees, the end of the mixed medium inlet pipe 1 penetrates through the through hole and extends to the upper part of each guide vane, and in implementation, as shown in fig. 1, the mixed medium inlet pipe 1 radially penetrates through the shell 2 and extends inwards to the upper part of the right side of each guide vane, so that high-strength shearing turbulent mixing of the mixed fluid 5 and the main fluid 4 can be realized through the guide vanes.

In implementation, the diversion hole is preferably a dumbbell-shaped hole 302, as shown in fig. 2, 3 and 4, the dumbbell-shaped hole 302 is composed of two sections of circular arcs with equal diameters and circular arc-shaped blades extending inwards, the circular arc-shaped blades are inclined towards the downstream of the fluid at an angle of 15-30 degrees from the positions tangent to the two sections of circular arcs with equal diameters to form inward extending diversion blades a301, and the diversion plate 3 is connected with the shell 2 through welding or other reliable connection modes. After the main fluid 4 passes through the dumbbell-shaped hole 302 and the inward extending guide vane A301, an alternate vortex 6 is formed at the tail part due to the influence of the inward extending guide vane A301, and the mixed fluid 5 from the mixing medium inlet pipe 1 is sheared with the main fluid 4 at an angle of 15-30 degrees through the inward extending guide vane A301, so that the turbulence intensity of the fluid is enhanced, the two-phase flow is rapidly mixed, the length of a downstream pipeline of the mixer is reduced, and the cost is saved.

Further, as shown in fig. 5, when the guiding hole is configured as a special-shaped hole 303, two groups of inward extending guiding vanes B304 are symmetrically arranged on the side of the special-shaped hole 303, the angle between each inward extending guiding vane B304 and the end surface of the guiding plate 3 is 15 degrees to 30 degrees, that is, four inward extending guiding vanes B304 are arranged on the side of the special-shaped hole 303, and the four inward extending guiding vanes B304 are inclined to the downstream of the main medium by 15 degrees to 30 degrees.

Further, as shown in fig. 6, when the guide hole is a cross-shaped hole 305, a group of inward extending guide vanes C306 are symmetrically arranged on both sides of the cross-shaped hole 305, an angle between each inward extending guide vane C306 and the end surface of the guide plate 3 is 15 ° to 30 °, that is, the cross-shaped hole 305 is a through rectangular groove perpendicular to each other, the rectangular groove forms an included angle of 45 ° with the central perpendicular line, an inward extending triangle formed by two sides of adjacent distance grooves is the inward extending guide vane C306, and the inward extending guide vane C306 is inclined to the downstream of the main medium by 15 ° to 30 °.

Further, fig. 7 shows the inner streamline track of the butterfly static mixer, when the main fluid 4 passes through the guide vane, the flow velocity of the main fluid 4 increases due to the contraction of the flow passage area, and the turbulence intensity of the main fluid 4 increases due to the turbulence effect of the guide vane. After passing through the guide vane, the main fluid 4 is reduced in speed due to the abrupt change of the cross section of the flow passage, and the kinetic energy of the motion is converted into static pressure energy. The mixed fluid 5 flows out of the outlet of the mixing medium inlet pipe 1 at the downstream of the guide vane, and the mixed fluid 5 and the main fluid 4 are subjected to momentum exchange under the action of viscous shear force and flow downstream together with the main fluid 4. And the main fluid 4 forms an inverse pressure gradient at the downstream of the guide vane, a vortex 6 is formed at the downstream of the guide vane under the action of the inverse pressure gradient, and the vortex 6 continuously appears and disappears due to energy dissipation, so that the alternately appearing vortex 6 is formed.

Further, fig. 8 is the utility model discloses an use the schematic diagram, the utility model discloses the upstream pipeline flange 7 on the pipeline 8 of blender upstream and the downstream pipeline flange 9 on the pipeline 10 of blender downstream are connected respectively to the left and right sides of well shell 2 then begin to mix the fluid.

The utility model has the advantages of it is following:

1. the utility model adopts a special design concept, the dumbbell-shaped hole 302 is arranged in the center of the guide plate 3, the inward extending guide vane A301 on the guide plate 3 and the guide plate 3 are arranged at an angle of 15-30 degrees, thereby enhancing the turbulent flow of the main fluid 4 and the vortex of the mixed fluid 5, and further improving the mixing efficiency;

2. in order to achieve a good mixing effect, the existing mixer equipment often needs to be provided with a plurality of continuous mixing units in series, and then the use effect can be achieved. The utility model adopts a special design concept, compared with the existing mixer, the mixer does not need the series connection of a plurality of groups of mixing units, greatly shortens the size of the equipment, reduces the capital investment on the equipment device, and saves the material cost;

3. because the existing mixer equipment adopts a plurality of mixing units which are arranged in series, the whole pressure drop of the mixed fluid is large in the operation and use processes, and the continuous operation of the subsequent device is not facilitated. In order to ensure the operation of the subsequent device, a pressurization device is additionally arranged. The utility model discloses because compact structure, length is short, does not need the series connection of multiunit mixing unit, reduces the on-way resistance loss that leads to because the friction. Meanwhile, the problem of blockage does not exist due to the short length, and the service life is greatly prolonged. Because the utility model discloses whole pressure drop is little, mixes effectually, and overall structure is simple, long service life, and is with low costs, consequently is fit for the occasion that each trade needs to mix.

The part of the utility model not detailed is prior art.

The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments, which fall within the scope of the concept and invention.

Claims

1. A butterfly static mixer, including mixed medium inlet pipe (1), shell (2) and guide plate (3), characterized by: be equipped with at least one through-hole that link up to shell (2) inner fringe face on the outer fringe face of shell (2) be equipped with mixed medium inlet tube (1) in the through-hole, be equipped with guide plate (3) in the left side of shell (2) inner fringe face the middle part of guide plate (3) is equipped with the water conservancy diversion hole the side symmetry in water conservancy diversion hole is equipped with at least a set of guide vane, the end of mixed medium inlet tube (1) passes the through-hole and extends to guide vane's top and forms butterfly static mixer.

2. A butterfly static mixer as claimed in claim 1, wherein: the angle between the guide vane and the end surface of the guide plate (3) is 15-30 degrees.

3. A butterfly static mixer as claimed in claim 1, wherein: the shell (2) is of a circular ring structure.

4. A butterfly static mixer as claimed in claim 1, wherein: the diversion hole is any one of a dumbbell-shaped hole (302), a special-shaped hole (303) or a cross-shaped hole (305).

5. A butterfly static mixer as claimed in claim 4, wherein: when the guide hole is a dumbbell-shaped hole (302), a group of inward extending guide vanes A (301) are symmetrically arranged on two sides of the dumbbell-shaped hole (302), and the angle between each inward extending guide vane A (301) and the end face of the guide plate (3) is 15-30 degrees.

6. A butterfly static mixer as claimed in claim 4, wherein: when the guide hole is set to be the special-shaped hole (303), two groups of inward extending guide vanes B (304) are symmetrically arranged on the side edge of the special-shaped hole (303), and the angle between each inward extending guide vane B (304) and the end face of the guide plate (3) is 15-30 degrees.

7. A butterfly static mixer as claimed in claim 4, wherein: when the guide hole is a cross-shaped hole (305), a group of inward extending guide vanes C (306) are symmetrically arranged on two sides of the cross-shaped hole (305), and the angle between each inward extending guide vane C (306) and the end face of the guide plate (3) is 15-30 degrees.

8. A butterfly static mixer as claimed in claim 1, wherein: the included angle between the central axis of the through hole and the radial center of the shell (2) is 0-30 degrees.

9. A butterfly static mixer as claimed in claim 1, wherein: the guide plate (3) is welded on the inner edge surface of the shell (2).

10. A butterfly static mixer as claimed in claim 1, wherein: the mixed medium inlet pipe (1) is welded in the through hole.