Cyclone mixer based on Venturi principle

Abstract

The utility model provides a cyclone mixer based on a Venturi principle, one end of a mixer main body is provided with a flow inlet, the other end of the mixer main body is provided with a jet orifice, and the middle part of the mixer main body is provided with a drainage port; within the mixer body; the inflow port is sequentially connected with the inflow contraction section and the throat pipe; the jet orifice is connected with the jet diffusion section; the drainage port is connected with the drainage contraction section; the throat pipe, the drainage contraction section and the jet flow diffusion section are intersected and communicated with one another; the inflow contraction section, the jet flow diffusion section and the drainage contraction section are all in a horn mouth shape. And a rotational flow blade is also arranged in the jet flow diffusion section. The swirl vanes are additionally arranged on the diffusion section of the venturi tube, so that water flow generates central low pressure under the swirl action, the central low pressure and negative pressure at the throat tube act together, and the attraction force to gas in the drainage tube is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model provides a cyclone mixer based on venturi principle belongs to mixer technical field. BACKGROUND

[0002] In the fertilizer liquid mixing stirrer, the flow blade is generally used to solve the pipeline cavitation problem or the fluid mixing problem, but the fertilizer liquid mixing stirrer is easy to be corroded by the acid and alkali fertilizer liquid. If the conventional venturi pipe is used as the mixer, the low pressure at the throat pipe causes cavitation damage and low gas induction force (attractive force for gas). CONTENT OF THE UTILITY MODEL

[0003] The utility model provides a cyclone mixer based on venturi principle solves the following technical problems:

[0004] 1. the problem of insufficient gas induction force of the conventional venturi pipe;

[0005] 2. the cavitation effect caused by the negative pressure or low pressure at the throat pipe of the venturi pipe to the pipeline cavitation damage;

[0006] 3. the mixing problem of the gas fertilizer (N2O5) and the liquid, and the conventional fertilizer liquid stirrer is easy to be corroded by the fertilizer liquid.

[0007] The specific technical scheme is as follows:

[0008] The cyclone mixer based on venturi principle comprises a mixer main body, an inflow port is arranged at one end of the mixer main body, a jet flow port is arranged at the other end of the mixer main body, a flow guide port is arranged at the middle part of the mixer main body, the inflow port is sequentially connected with an inflow contraction section and a throat pipe, the jet flow port is connected with a jet flow diffusion section, the flow guide port is connected with a flow guide contraction section, the throat pipe, the flow guide contraction section and the jet flow diffusion section are connected and communicated with each other, the inflow contraction section is in the shape of a horn mouth, a large port of the inflow contraction section is connected with the inflow port, the jet flow diffusion section is in the shape of a horn mouth, a large port of the jet flow diffusion section is connected with the jet flow port, the flow guide contraction section is in the shape of a horn mouth, a large port of the flow guide contraction section is connected with the flow guide port, and a cyclone vane is further arranged in the jet flow diffusion section.

[0009] Further, the cyclone vane is a vane type cyclone.

[0010] The cyclone vane comprises a plurality of vanes, and the plurality of vanes are annularly distributed on the inner wall of the jet flow diffusion section.

[0011] The installation position of the cyclone vane is at 1 / 4 to 1 / 3 of the length of the jet flow diffusion section from the small port.

[0012] The utility model has the following technical effects:

[0013] 1. The utility model discloses a diffuser section of traditional venturi is increased cyclone blade, and the water flow is produced center low pressure under the cyclone action, and the negative pressure of throat pipe is formed mutual action, enhances the attraction of gas in the drainage pipe,

[0014] 2. The fluid under the cyclone action makes the pipe wall be in the state of pressure all the time, can weaken the high intensity cavitation danger of diffuser section due to the low pressure cavitation of throat pipe of venturi,

[0015] 3. Through the cyclone action, the quick mixing of gas and liquid can also be realized, the gas-liquid contact surface is increased, the reaction of gas (gaseous nitrogen fertilizer: N205) and water is accelerated, and the irrigation (irrigation) is realized.

[0016] 4. The utility model discloses a technology can dispense with fertilizer liquid mixer device, can avoid the economic loss of fertilizer liquid mixer caused by corrosion,

[0017] 5. The utility model discloses a technology can be used in the agricultural production that needs to introduce gas fertilizer such as N205 and forms liquid irrigation fertilizer liquid. DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model,

[0019] Figure 2 It is the cyclone blade structural schematic diagram of the utility model. CONCRETE IMPLEMENTATION

[0020] As Figure 1 Indicated, based on the cyclone mixer of venturi principle, including mixer main part, the one end of mixer main part is equipped with inflow port 1, the other end is equipped with jet port 2, and the middle part of mixer main part is equipped with drainage port 3;

[0021] In the mixer main part,

[0022] Inflow port 1 is connected inflow contraction section 4, throat pipe 7 in proper order;

[0023] Jet port 2 connects jet diffusion section 5;

[0024] Drainage port 3 connects drainage contraction section 6;

[0025] Throat pipe 7, drainage contraction section 6 and jet diffusion section 5 meet each other and communicate with each other;

[0026] Inflow contraction section 4 is the shape of flared mouth, and the large port is connected with inflow port 1;

[0027] Jet diffusion section 5 is the shape of flared mouth, and the large port is connected with jet port 2;

[0028] Drainage contraction section 6 is the shape of flared mouth, and the large port is connected with drainage port 3;

[0029] In the jet diffusion section 5, there is also a cyclone vane 8;

[0030] As shown in Figure 2 the cyclone vane 8 is a vane-type cyclone. The cyclone vane 8 includes a plurality of vanes which are annularly distributed on the inner wall of the jet diffusion section 5. The installation position of the cyclone vane 8 is at 1 / 4-1 / 3 length of the jet diffusion section 5 from the small port.

Claims

1. A rotational flow mixer based on the Venturi principle, characterized in that The mixer comprises a mixer body, an inlet port (1) at one end of the mixer body, a jet port (2) at the other end of the mixer body, and a flow guide port (3) in the middle of the mixer body; In the mixer body, the inlet port (1) is connected with an inlet contraction section (4) and a throat (7) in sequence, the jet port (2) is connected with a jet diffusion section (5), the flow guide port (3) is connected with a flow guide contraction section (6), and the throat (7), the flow guide contraction section (6) and the jet diffusion section (5) are communicated with each other; The inlet contraction section (4) is in the shape of a bell mouth, and a large port of the inlet contraction section (4) is connected with the inlet port (1); The jet diffusion section (5) is in the shape of a bell mouth, and a large port of the jet diffusion section (5) is connected with the jet port (2); The flow guide contraction section (6) is in the shape of a bell mouth, and a large port of the flow guide contraction section (6) is connected with the flow guide port (3); A cyclone vane (8) is arranged in the jet diffusion section (5).

2. The rotational flow mixer based on the Venturi principle according to claim 1, characterized in that The cyclone vane (8) is a vane type cyclone.

3. The rotational flow mixer based on the Venturi principle according to claim 1, characterized in that The cyclone vane (8) comprises a plurality of vanes which are annularly distributed on the inner wall of the jet diffusion section (5).

4. The rotational flow mixer based on the Venturi principle according to claim 1, characterized in that The cyclone vane (8) is arranged at a position which is 1 / 4-1 / 3 of the length of the jet diffusion section (5) from a small port.

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