CN210683278U

CN210683278U - Eddy current three-phase mixer and eddy current three-phase mixing device

Info

Publication number: CN210683278U
Application number: CN201920955611.XU
Authority: CN
Inventors: 喻九阳; 孟观林; 汪威; 林纬; 徐建民; 郑小涛; 马琳伟
Original assignee: Wuhan Institute of Technology
Current assignee: Wuhan Institute of Technology
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-06-05
Anticipated expiration: 2029-06-24

Abstract

The utility model provides a vortex three-phase mixer, comprising a main body, the main part is formed by vertical setting and both ends confined shell and inner tube nestification respectively, the shell inboard with form annular channel between the inner tube outside, shell lateral wall upper portion be equipped with the water inlet of annular channel intercommunication, the main part upper end still is equipped with the air inlet, and the lower extreme still is equipped with the delivery port, air inlet and delivery port respectively with the inside hybrid chamber intercommunication of inner tube, it has the intercommunication to go back the equipartition on the inner tube lateral wall annular channel and the through-hole of hybrid chamber. The vortex three-phase mixer with the unique structure can fully mix air in the dispersing and inner cavity under the action of the through hole because the water flow automatically forms a vortex, and the mixing efficiency is high.

Description

Eddy current three-phase mixer and eddy current three-phase mixing device

Technical Field

The utility model belongs to the technical field of waste water treatment, concretely relates to vortex three-phase mixer and vortex three-phase mixing arrangement.

Background

The oily wastewater has various types, and the contained pollutants are relatively complex and have large differences among components. The oily wastewater containing the surfactant is one of the oily wastewater systems with higher treatment difficulty.

The air-float water purification means that a large amount of micro-bubbles are introduced or generated into water, so that the micro-bubbles are adhered to impurity flocs to cause the state that the density is lower than that of the water, and the micro-bubbles float to the water surface by means of buoyancy, thereby realizing solid-liquid separation. The vortex three-phase mixer is mainly used in an air-flotation water purifying device, and is used for the existing vortex three-phase mixer, wherein bubbles are not uniformly mixed, and flocs are formed with low efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vortex three-phase mixer and vortex three-phase mixing arrangement utilizes accurate a small amount of chemical agent, can accomplish the step that highly-compressed air dissolved, bubble crystal nucleus generated and the cavitation floc in the ultralight to overcome the defect among the prior art.

In order to realize the purpose, the utility model adopts the technical scheme that: the utility model provides an eddy current three-phase mixer, includes the main part, the main part is formed by vertical setting and both ends confined shell and inner tube nestification respectively, the shell inboard with form annular channel between the inner tube outside, shell lateral wall upper portion be equipped with the water inlet of annular channel intercommunication, the main part upper end still is equipped with the air inlet, and the lower extreme still is equipped with the delivery port, air inlet and delivery port respectively with the inside hybrid chamber intercommunication of inner tube, it has the intercommunication to go back the equipartition on the inner tube lateral wall annular channel and hybrid chamber's through-hole.

The utility model provides a pair of vortex three-phase mixer, its water inlet and sewage delivery pipe intercommunication, sewage at first get into in vortex three-phase mixer's the annular channel to around forming the vortex in its passageway, and in flowing into the inboard hybrid chamber of inner tube through the through-hole under hydraulic effect, mix with the air that the air inlet let in the hybrid chamber, this unique structure's vortex three-phase mixer because its rivers form the vortex automatically, and the air in dispersion and the inner chamber can carry out abundant mixture under the effect of through-hole, mixing efficiency is high. Specifically, the air inlet and the water outlet are respectively communicated with a pipeline communicated into the mixing cavity, so that the air inlet and the water outlet are communicated with the mixing cavity.

On the basis of the technical scheme, the utility model discloses can also have following further specific selection or optimization selection.

Specifically, the shell and the inner cylinder are both cylindrical structures and are coaxially arranged. The design can ensure that the shell and the inner cylinder are arranged in an axisymmetric way, and the annular channel enclosed by the shell and the inner cylinder is in a uniform annular shape.

The device comprises a water inlet pipe and is characterized by further comprising a water inlet pipe which is horizontally arranged and communicated with the water inlet, wherein a dosing port is formed in the upper wall of the water inlet pipe, and the opening direction of the dosing port is perpendicular to the axis of the water inlet pipe. Above-mentioned setting is easily medicament entering inlet tube, and the inlet tube will medicament and sewage mix in advance and carry together extremely in the vortex three-phase mixer to make the medicament can carry out intensive mixing with sewage before mixing with gas.

Specifically, the through holes are arranged in M rows in the vertical direction, wherein M is 2n, n is an integer greater than or equal to 2, and the through holes in each row are uniformly arranged along the circumferential direction of the inner cylinder. For example, when n is 2, M is 4, and the included angle between two adjacent rows of through holes is 90 °; when n is 3, M is 6, and the included angle between two adjacent rows of through holes is 60 °. Experiments prove that even-numbered rows of through holes have stronger capability of producing turbulent flow than odd-numbered rows of through holes.

Specifically, included angles between the axis of the through hole and the tangent line of the inner cylinder are all a, wherein the value of a is-10 degrees to 10 degrees. The design can make the sewage flowing into the mixing cavity through the through hole more easily form a vortex in the mixing cavity, so that the mixing of the sewage and air in the mixing cavity is enhanced.

Specifically, the inner diameter Di of the inner cylinder is 300-500 mm, the outer diameter is Do, the ratio of the outer diameter to the inner diameter of the inner cylinder is K, and K is (Do/Di) > 1.2; the height of the inner cylinder is H, and (H/Di) >30, and the thickness of the inner cylinder is 80-160 mm.

Specifically, the diameter d of each through hole is 5-10 mm, and the distance between the centers of two adjacent through holes in the vertical direction is L (2d +10) mm.

Furthermore, the utility model also provides a vortex three-phase mixing arrangement, establish ties through the pipeline including a plurality of above-mentioned vortex three-phase mixers in order and form.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a vortex three-phase mixer and vortex three-phase mixing arrangement can make sewage carry out abundant solid-liquid gas with medicament and air and mix before getting into next stage treatment equipment, is a very outstanding preceding processing apparatus. Aiming at special sewage, a small amount of chemical agents are accurately utilized to fully trap pollutants in water, all the steps of high-pressure air dissolution, agent molecule stretching and efficiency improvement, coagulation flocculation stirring, floc formation, bubble crystal nucleus generation and ultra-light hollow floc formation can be completed, and the equipment investment and the operation cost are reduced.

Drawings

Fig. 1 is a schematic structural view of a vortex three-phase mixer provided by the present invention;

fig. 2 is a schematic diagram of the distribution of through holes in the inner tube when n is 2 according to the present invention;

fig. 3 is a schematic diagram of the distribution of the through holes in the inner cylinder when n is 3 according to the present invention.

In the figure: 1-shell, 2-inner cylinder, 3-annular channel, 4-water inlet, 5-air inlet, 6-water outlet, 7-mixing cavity, 8-through hole, 9-water inlet pipe and 10-medicine adding port.

Detailed Description

For a better understanding of the present invention, the contents of the present invention will be further explained below with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.

As shown in fig. 1-3, the utility model provides a vortex three-phase mixer, comprising a main body, the main part is formed by vertical setting and both ends confined shell 1 and inner tube 2 nestification respectively, shell 1 inboard with form annular channel 3 between the 2 outsides of inner tube, 1 lateral wall upper portion of shell be equipped with the water inlet 4 of annular channel 3 intercommunication, the main part upper end still is equipped with air inlet 5, and the lower extreme still is equipped with delivery port 6, air inlet 5 and delivery port 6 respectively with the inside mixing chamber 7 intercommunication of inner tube 2, it has the intercommunication to go back the equipartition on the 2 lateral walls of inner tube annular channel 3 and mixing chamber 7's through-hole 8.

The utility model provides a pair of vortex three-phase mixer, its water inlet 4 and sewage delivery pipe intercommunication, sewage at first get into in vortex three-phase mixer's the annular channel 3 to around forming the vortex in its passageway, and in flowing into 2 inboard hybrid chambers 7 of inner tube through-hole 8 under hydraulic effect, mix with the air that air inlet 5 let in hybrid chamber 7, this unique structure's vortex three-phase mixer because its rivers form the vortex automatically, and the air in dispersion and the inner chamber can carry out abundant mixture under through-hole 8's effect, mixing efficiency is high.

Preferably, the outer shell 1 and the inner cylinder 2 are both cylindrical structures and are coaxially arranged. The design can ensure that the shell 1 and the inner barrel 2 are arranged in an axisymmetric way, and the annular channel 3 enclosed by the shell and the inner barrel can be in a uniform annular shape.

Preferably, still including the level setting and with inlet tube 9 of water inlet 4 intercommunication, inlet tube 9 upper wall is equipped with medicine mouth 10 opening direction with inlet tube 9's axis is perpendicular. Above-mentioned setting is easily medicament entering inlet tube 9, and inlet tube 9 will medicament and sewage mix in advance and carry together to in the vortex three-phase mixer to make the medicament can carry out intensive mixing with sewage before mixing with gas.

Preferably, the through holes 8 are arranged in M rows in the vertical direction, where M is 2n, n is an integer greater than or equal to 2, and the through holes in each row are uniformly arranged in the circumferential direction of the inner cylinder 2. For example, when n is 2, M is 4, and the included angle between two adjacent rows of through holes is 90 °; when n is 3, M is 6, and the included angle between two adjacent rows of through holes is 60 °. Experiments prove that even-numbered rows of through holes have stronger capability of producing turbulent flow than odd-numbered rows of through holes.

Preferably, the included angles between the axis of the through hole 8 and the tangent of the inner cylinder 2 are all a, wherein the value of a is-10 degrees to 10 degrees. The design can make the sewage flowing into the mixing cavity through the through hole more easily form a vortex in the mixing cavity, so that the mixing of the sewage and air in the mixing cavity is enhanced.

Preferably, the inner diameter Di of the inner cylinder 2 is 300-500 mm, the outer diameter is Do, the ratio of the outer diameter to the inner diameter of the inner cylinder 2 is K, and K is (Do/Di) > 1.2; the height of the inner cylinder 2 is H, and (H/Di) >30, and the thickness of the inner cylinder 2 is 80-160 mm.

Preferably, the diameter of each through hole is d, d is 5-10 mm, and the distance between the centers of two adjacent through holes in the vertical direction is L ═ 2d +10) mm.

Example (b):

in the wastewater operation, a high-pressure water inlet pump is used for enabling sewage to flow into the annular channel 3 of the three-phase mixer from the sewage conveying pipe through the water inlet 4 and forming a vortex therein. Then, the sewage is dispersed by the through holes 8 under the action of water pressure and divided into fine flows to flow into the mixing chamber 7. At the same time, compressed air is fed through the air inlet 5 into the mixing chamber 7, where it is dissolved directly in the influent sewage in the mixing chamber 7. In the whole process, the chemical agent is directly added into the sewage through the agent adding port 10, enters the mixing cavity 7 along with the sewage, and is mixed with pollution particles, water and gas in the mixing cavity 7. Because an included angle is formed between the axis of the through hole 8 and the tangent of the inner cylinder, a vortex can be formed when the water gap enters the mixing cavity. Meanwhile, under the action of compressed air, vortex formed by sewage acts on the air flow and changes the direction, and impact force (namely turbulence) is formed in water, so that the mixing effect is enhanced, and gas, liquid and solid are fully mixed. And finally, under the action of gravity, the mixed liquid flows into the water outlet 6 and is discharged by the conveying pipeline, so that the pretreatment of sewage is realized.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an eddy current three-phase mixer, its characterized in that, includes the main part, the main part is formed by vertical setting and both ends confined shell (1) and inner tube (2) nestification respectively, shell (1) inboard with form annular channel (3) between inner tube (2) the outside, shell (1) lateral wall upper portion be equipped with water inlet (4) of annular channel (3) intercommunication, the main part upper end still is equipped with air inlet (5), and the lower extreme still is equipped with delivery port (6), air inlet (5) and delivery port (6) respectively with the inside hybrid chamber (7) of inner tube (2) intercommunication, it has the intercommunication still to distribute on the inner tube (2) lateral wall annular channel (3) and through-hole (8) of hybrid chamber (7).

2. The vortex three phase mixer of claim 1, wherein: the shell (1) and the inner cylinder (2) are both of cylindrical structures and are coaxially arranged.

3. The vortex three phase mixer of claim 2, wherein: the through holes (8) are arranged in M rows in the vertical direction, wherein M is 2n, n is an integer greater than or equal to 2, and the through holes in each row are uniformly arranged along the circumferential direction of the inner barrel (2).

4. The vortex three phase mixer of claim 2, wherein: the included angle between the axis of the through hole and the tangent of the inner cylinder is a, wherein the value of a is-10 degrees.

5. The vortex three phase mixer of claim 2, wherein: the medicine adding device is characterized by further comprising a water inlet pipe (9) communicated with the water inlet (4), and a medicine adding port (10) is formed in the upper portion of the water inlet pipe (9).

6. The vortex three phase mixer of claim 5, wherein: the inlet tube (9) is horizontally arranged, and the opening direction of the dosing port (10) is vertical to the axis of the inlet tube (9).

7. A vortex three-phase mixer according to any one of claims 2 to 6, wherein: the inner diameter Di of the inner cylinder (2) is 300-500 mm, the outer diameter is Do, the ratio of the outer diameter to the inner diameter of the inner cylinder (2) is K, and K is (Do/Di) > 1.2; the height of the inner cylinder (2) is H, (H/Di) >30, and the thickness of the inner cylinder (2) is 80-160 mm.

8. A vortex three-phase mixer according to any one of claims 2 to 6, wherein: the diameter d of each through hole (8) is 5-10 mm, and the distance between the centers of two adjacent through holes (8) in the vertical direction is L (2d +10) mm.

9. A vortex three-phase mixing device, characterized in that it is composed of a plurality of vortex three-phase mixers according to any one of claims 1 to 8 connected in series by a pipeline.