CN211998852U

CN211998852U - Pipeline mixer

Info

Publication number: CN211998852U
Application number: CN201922262960.6U
Authority: CN
Inventors: 姜琦; 杨勇; 余山元; 张樱; 王卓; 陈雪; 孙臣
Original assignee: Wuhan Gelin Huanyuan Purifying Engineering Co ltd
Current assignee: Wuhan Gelin Huanyuan Purifying Engineering Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-11-24
Anticipated expiration: 2029-12-17

Abstract

The utility model belongs to the technical field of sewage treatment and specifically relates to a pipeline mixer, it includes hybrid pipeline, inlet tube, outlet pipe, dosing pipe and a plurality of helical blade, and the hybrid pipeline both ends communicate with inlet tube and outlet pipe each other respectively, and one side of inlet tube is equipped with the branch pipe that is linked together rather than as dosing pipe, helical blade all installs inside the hybrid pipeline, helical blade one side all with hybrid pipeline inner wall fixed connection, hybrid pipeline quantity can set up to a plurality ofly, and two adjacent hybrid pipelines establish ties each other. The utility model discloses a pipeline mixer simple structure, head loss is little, and sewage and medicament mix more evenly, and the installation maintenance is convenient, is suitable for extensive popularization and application.

Description

Pipeline mixer

Technical Field

The utility model relates to a sewage treatment field especially relates to a pipeline mixer.

Background

In the sewage treatment process, various sewage treatment agents, such as acid and alkali agents for adjusting pH, and flocculating agents of polyaluminium chloride, polyferric sulfate, polyacrylamide and the like for coagulation reaction, are often required to be added. The reagents and the sewage are usually carried out in one or more reaction tanks, and the reaction process needs to be fully stirred so that the reagents and the sewage are fully mixed and reacted. The main problems with such a hybrid approach are: 1. the operation energy consumption is high, and a stirrer needs to be equipped; 2. a reaction tank needs to be arranged, so that the building area and the investment cost are increased; 3. the reaction tank has back mixing phenomenon, namely, the sewage after reaction stays in the tank to dilute the concentration of the medicament, so that the dosage of the medicament is invisibly increased.

The pipeline mixer is a reactor which can be connected to a sewage pipeline, and due to the special structure of the pipeline mixer, the flow direction of fluid in the mixer is changed to form turbulent flow, so that sewage and a medicament can be fully mixed and reacted after passing through the pipeline mixer. The pipeline mixer has the advantages of small volume, convenient use and no need of providing electric power, and can save the dosage of the medicament. However, the existing pipeline mixer is generally complex in structure, resulting in large head loss.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a pipeline mixer that the mixability is good, head loss is little.

The technical scheme of the utility model is realized like this: the utility model provides a pipeline mixer, it includes hybrid pipeline, inlet tube, outlet pipe, dosing pipe and a plurality of helical blade, and the one end and the inlet tube of hybrid pipeline communicate each other, and the other end and the outlet pipe of hybrid pipeline communicate each other, and the dosing pipe is installed to one side of inlet tube, and feeds through each other with the inlet tube with the dosing pipe, helical blade all installs inside the hybrid pipeline, helical blade side all with hybrid pipeline inner wall fixed connection.

On the basis of the above technical solution, preferably, the helix angle of the helical blade is 10 ° to 45 °.

On the basis of above technical scheme, it is preferred, the line mixer still includes protruding structure, helical blade is provided with a plurality of protruding structures towards inlet tube one side, protruding structure all arranges along helical blade's direction of rotation ladder array.

Further, preferably, the protrusion structure is an arc protrusion.

On the basis of the technical scheme, preferably, the helical blades are rotationally symmetrical at an angle of 36-120 degrees with the axis of the mixing pipeline, and one side edges of the helical blades, which are far away from the inner wall of the mixing pipeline, are fixed with each other.

Further, preferably, the pipeline mixer further comprises a central shaft, the central shaft is located on the axis of the mixing pipeline, and one side of the helical blade far away from the inner wall of the mixing pipeline is fixedly connected with the central shaft.

On the basis of the above technical scheme, preferably, the mixing pipeline is detachably mounted between the water inlet pipe and the water outlet pipe.

Further, it is preferred, the utility model discloses a pipeline mixer still includes the flange piece, the hybrid pipeline both ends are passed through respectively the flange piece is connected with inlet tube and outlet pipe fastening.

On the basis of the above technical scheme, preferably, the quantity of hybrid pipeline is two at least, and each hybrid pipeline is inside all to install helical blade, and two adjacent hybrid pipelines establish ties each other, and wherein the hybrid pipeline and the inlet tube of one end communicate each other, and the hybrid pipeline and the outlet pipe of the other end communicate each other.

The utility model discloses a line mixer has following beneficial effect for prior art:

(1) the pipeline mixer of the utility model has the advantages that the helical blades with certain inclination angles are arranged inside the mixing pipeline, so that the flow direction of sewage and medicament is changed when the sewage and the medicament pass through the mixing pipeline, turbulent flow is formed, the sewage and the medicament can be fully mixed and reacted, the structure is simple, and the head loss is small;

(2) the mixing pipeline is detachably connected with the water inlet pipe and the water outlet pipe through the flange pieces, so that the mixing pipeline is convenient to detach for cleaning and replacing;

(3) a plurality of mixing pipes are arranged in series, the turbulence effect is enhanced, and sewage and the medicament can be mixed more uniformly and fully.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a line mixer according to the present invention;

FIG. 2 is an isometric view of a mixing pipe of the pipe mixer of the present invention;

figure 3 is the inside axonometric view of mixing pipe of the pipe mixer of the utility model.

The device comprises a mixing pipeline 1, a water inlet pipe 2, a water outlet pipe 3, a chemical feeding pipe 4, a spiral blade 5, a convex structure 6, a central shaft 7 and a flange plate 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the pipeline mixer of the present invention includes a mixing pipeline 1, a water inlet pipe 2, a water outlet pipe 3, a chemical feeding pipe 4, a helical blade 5, a protruding structure 6, a central shaft 7 and a flange plate 8.

One end of the mixing pipeline 1 is connected with a water inlet pipe 2, the other end of the mixing pipeline is connected with a water outlet pipe 3, a dosing pipe 4 is installed on one side of the water inlet pipe 2, and the dosing pipe 4 is communicated with the water inlet pipe 2. The water inlet pipe 2, the dosing pipe 4, the mixing pipeline 1 and the water outlet pipe 3 can be integrally formed. Sewage flows in from the water inlet pipe 2, the chemical is added into the opening of the chemical adding pipe 4, and the sewage and the chemical are mixed and flow out through the water outlet pipe after passing through the mixing pipeline 1.

A plurality of helical blade 5 all install inside mixing

pipe

1, 5 inner wall fixed connection of helical blade one side and mixing pipe 1. When sewage and medicament pass through the mixing pipeline, the sewage and the medicament are divided into a plurality of strands by the helical blades, liquid generates movements of shunting, rotating, crossing and the like, a plurality of small vortexes are generated in a flow field, so that turbulent flow is formed, and the sewage and the medicament can be fully mixed and reacted; the mixing pipeline device has no complex turning and reducing, simple structure and small head loss. When the helix angle of the helical blade 5 is 10-45 degrees, the flow direction of the liquid flowing along the blade does not deviate too much, the head loss is smaller, and the practical effect can be seen in the specific embodiment part.

Helical blade 5 is provided with a plurality of protruding structures 6 towards being provided with on the inlet tube 2 one side, and protruding structure 6 all arranges along helical blade 5's direction of rotation ladder array. The arrangement of the convex structure enables the flow direction of liquid flowing through the spiral blade to be changed for a plurality of times at the convex structure, so that the sewage and the medicament are mixed more uniformly. The convex structures 6 can be block-shaped, zigzag-shaped or arc-shaped, when the convex structures 6 are arc-shaped, liquid flows along the surfaces of the arc-shaped protrusions, and the flow resistance is smaller.

As an alternative embodiment, the helical blades 5 are rotationally symmetrical with each other at an angle of 36-120 degrees with respect to the axis of the mixing pipe 1, and one side of each helical blade 5 away from the inner wall of the mixing pipe 1 is fixed with each other, so that each helical blade is more stable, and good mixing effect is achieved.

Center pin 7 is located mixing tube 1 axis, helical blade 5 keeps away from one side and center pin 7 fixed connection of mixing tube 1 inner wall, prevents that helical blade from keeping away from one side of mixing tube inner wall and bearing the impact force and the vibration fracture of rivers, extension helical blade's life.

As an alternative embodiment, the mixing pipe 1 is detachably mounted between the water inlet pipe 2 and the water outlet pipe 3 through a flange plate 8, so that the mixing pipe can be detached for cleaning and replacement.

As an optional embodiment, the mixing pipeline 1 may be provided in series, a plurality of helical blades 5 are installed inside each mixing pipeline 1, wherein the mixing pipeline 1 at one end is communicated with the water inlet pipe 2, and the mixing pipeline 1 at the other end is communicated with the water outlet pipe 3. The helical blades 5 in two adjacent mixing ducts 1 may be connected to each other or not connected and twisted to form a certain angle. When the helical blades of two adjacent mixing pipelines are not connected and twisted to form a certain angle, the fluid in the pipelines can rotate for many times, the turbulence effect is enhanced, and the mixing effect is further improved.

The adjacent two mixing pipelines 1 can also be connected through flanges, and the detachable arrangement can enable a plurality of mixing pipelines to form different lengths, thereby being suitable for different production scenes; in addition, each mixing pipeline can be detached independently for replacement and maintenance, and compared with the replacement and maintenance of the whole pipeline, the replacement and maintenance of the whole pipeline is more convenient and saves cost.

Example 1: the pipeline mixer includes the hybrid piping, the inlet tube, outlet pipe and dosing pipe, the one end and the inlet tube of hybrid piping communicate each other, the other end and the outlet pipe of hybrid piping communicate each other, dosing pipe is installed to one side of inlet tube, and dosing pipe and inlet tube communicate each other, 3 sections hybrid piping establish ties in proper order, every section hybrid piping internally mounted has 6 helical blade and center pin, every helical blade side and hybrid piping inner wall fixed connection, another side and center pin fixed connection, helical blade's helical angle is 10. The mixing channel has an internal diameter of 800mm and a length of 4200 mm.

Example 2: on the basis of embodiment 1, the helix angle of the helical blade was set to 30 °.

Example 3: on the basis of embodiment 1, the helix angle of the helical blade was set to 45 °.

Example 4: on the basis of embodiment 1, the helix angle of the helical blade was set to 60 °.

Comparative example: a commercially available pipeline mixer was used. The inner diameter of the pipeline is 800mm, and the length of the pipeline is 4200 mm.

The experiment was conducted using water as the simulated medium, the flow rate of the influent water was 1.5m/s, and the magnitude of head loss was measured for the line mixers of examples 1-4 and comparative examples, with the results shown in the following table:

therefore, the head loss of the pipeline mixer is smaller than that of the comparative example, and when the helical angle of the helical blade is 10-45 degrees, the head loss is 0.4-0.6 m.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pipeline mixer, its includes hybrid pipeline (1), inlet tube (2), outlet pipe (3) and dosing pipe (4), and the one end and inlet tube (2) of hybrid pipeline (1) communicate each other, and the other end and outlet pipe (3) of hybrid pipeline (1) communicate each other, and dosing pipe (4) are installed to one side of inlet tube (2), and dosing pipe (4) communicate its characterized in that with inlet tube (2) each other: the spiral mixing device is characterized by further comprising a plurality of spiral blades (5), wherein the spiral blades (5) are all installed inside the mixing pipeline (1), and one side edge of each spiral blade (5) is fixedly connected with the inner wall of the mixing pipeline (1); still include protruding structure (6), helical blade (5) are provided with a plurality of protruding structures (6) towards inlet tube (2) one side, protruding structure (6) are all arranged along helical blade's (5) direction of rotation ladder array.

2. The line mixer of claim 1, wherein: the helix angle of the helical blade (5) is 10-45 degrees.

3. The line mixer of claim 1, wherein: the protruding structure (6) is an arc-shaped protrusion.

4. The line mixer of claim 1, wherein: the helical blades (5) are rotationally symmetrical at an angle of 36-120 degrees with the axis of the mixing pipeline (1), and one side of each helical blade (5) far away from the inner wall of the mixing pipeline (1) is fixed with each other.

5. The line mixer of claim 4, wherein: still include center pin (7), center pin (7) are located mixing pipe (1) axis, helical blade (5) keep away from mixing pipe (1) inner wall one side and center pin (7) fixed connection.

6. The line mixer of claim 1, wherein: mixing tube (1) demountable installation be in between inlet tube (2) and outlet pipe (3).

7. The line mixer of claim 6, wherein: the water mixing device is characterized by further comprising a flange sheet (8), wherein the two ends of the mixing pipeline (1) are respectively connected with the water inlet pipe (2) and the water outlet pipe (3) in a fastening mode through the flange sheet (8).

8. The line mixer according to claim 1, characterized in that the number of the mixing pipes (1) is at least two, each mixing pipe (1) is internally provided with a helical blade (5), two adjacent mixing pipes (1) are connected in series, wherein the mixing pipe (1) at one end is communicated with the water inlet pipe (2), and the mixing pipe (1) at the other end is communicated with the water outlet pipe (3).