CN216500116U - Venturi ejector with special-shaped nozzle and gas turbulence - Google Patents

Abstract

The utility model provides a special-shaped nozzle and a venturi injector with gas turbulence applied in the technical field of gas-liquid injection mixing, comprising a gas turbulence pipe, a converging section, a suction chamber, a gas inlet, a nozzle and a mixing section , diffusion section, liquid diversion block. The suction chamber, the converging section, the mixing section, and the diffusion section are connected by welding. The gas turbulence pipe is connected with the mixing section by vertical welding. Four nozzle guide blocks are uniformly distributed along the circumferential direction on the inner wall of the nozzle outlet section. The nozzle guide block has a semi-elliptical cross section and is attached to the inner wall of the nozzle outlet section in a spiral shape. The utility model relates to a special-shaped nozzle and a venturi injector with gas turbulence, which can improve the gas intake volume and the gas-liquid mixing efficiency, thereby promoting the gas-liquid reaction rate, which can be better applied to industrial production and has a simple structure. , Easy to assemble, disassemble and maintain.

Description

A Venturi injector with shaped nozzle and gas turbulence

technical field

The utility model belongs to the technical field of venturi jet gas-liquid mixing, in particular to a special-shaped nozzle and a venturi jet with gas turbulence.

Background technique

As an efficient gas-liquid mixing device, the venturi ejector mainly uses the negative pressure formed by high-speed liquid injection to eject gas, and has the advantages of simple structure and high mixing efficiency. When it comes to the gas-liquid two-phase reaction, the suction volume and mixing effect of the venturi ejector have an important influence on the gas-liquid reaction. The amount of gas suction will directly affect the efficiency of the gas-liquid reaction, the rate of two-phase mixing and the mixing The degree also reflects the performance of the Venturi injector, so improving the mixing efficiency of the Venturi injector and the amount of suction is very important for the gas-liquid two-phase reaction.

The nozzle and the mixing section are the key components of the venturi ejector. At present, the structure and shape of the nozzle are mostly conical, and the liquid sprayed from the nozzle is sprayed in a straight line, and the mixing effect is difficult to guarantee. Usually, the gas-liquid two-phase entering the mixing section only realizes the gas-liquid mixing by the shearing action of the liquid, the gas-liquid mixing effect is poor, and the contact area of the gas-liquid two phases is small, which is not conducive to the rapid reaction.

Utility model content

In order to solve the problems raised in the above background art. The utility model provides a special-shaped nozzle and a venturi injector with gas turbulence, which has the characteristics of a special-shaped nozzle and a gas turbulence in a mixing section.

In order to achieve the above purpose, the utility model provides the following technical solutions: a special-shaped nozzle and a venturi injector with gas turbulence, consisting of a gas turbulence pipe, a converging section, a suction chamber, a gas inlet, a nozzle, a mixing section, and a diffusion section. , composed of liquid diversion block. The above-mentioned gas turbulence pipe and the above-mentioned mixing section are connected by welding, and the axes are perpendicular to each other; the above-mentioned gas inlet and the above-mentioned suction chamber are connected by welding; the above-mentioned suction chamber, the above-mentioned convergence section, the above-mentioned mixing section and the above-mentioned diffusion section axes are all coincident, And the welding connection is adopted; the nozzle is inserted into the suction chamber from the central axis of the suction chamber.

Further, the nozzle is composed of a straight pipe section and an outlet section, the straight pipe section is a cylinder, the outlet section is a conical cone, and the inner wall of the nozzle outlet section has four nozzle guide blocks.

Further, the nozzle guide block has a semi-elliptical cross section and is spirally attached to the inner wall of the nozzle outlet section to guide the liquid, and the four nozzle guide blocks are evenly distributed along the circumferential direction.

Further, the gas is introduced into the gas disturbing pipe to disturb the mixed fluid in the mixing section, further aggravating the mixing of the two fluids, and also increasing the amount of gas entering the venturi injector.

Because the utility model adopts the above technical scheme, the technical effect it produces is obvious:

1) The design of the liquid guide block of the venturi injector of the present utility model can make the liquid take a helical shape when it exits the nozzle opening, thereby increasing the contact area between the liquid and the gas.

2) The design of the gas turbulence pipe of the venturi injector of the present invention can generate turbulence to the mixed fluid, increase the amount of gas entering, and further enhance the gas-liquid mixing efficiency.

Description of drawings

FIG. 1 is a schematic structural diagram of a special-shaped nozzle and a venturi injector with gas turbulence according to the present invention.

2 is a cross-sectional view of the outlet section of the venturi injector nozzle of the present invention.

FIG. 3 is an internal development view of the outlet section of the venturi injector nozzle of the present invention.

In the picture: 1 gas spoiler pipe, 2 convergence section, 3 suction chamber, 4 gas inlet, 5 nozzle, 6 mixing section, 7 diffusion section, 8 liquid guide block.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings through the following embodiments.

Please refer to Figure 1, a venturi injector with a special-shaped nozzle and gas turbulence, consisting of a gas turbulence pipe 1, a converging section 2, a suction chamber 3, a gas inlet 4, a nozzle 5, a mixing section 6, a diffusion section 7, Liquid guide block 8 is composed. The above-mentioned gas turbulence pipe 1 is connected with the above-mentioned mixing section 6 by welding, and the axes are perpendicular to each other; the above-mentioned gas inlet 4 is connected with the above-mentioned suction chamber 3 by welding; the above-mentioned suction chamber 3, the above-mentioned convergence section 2, the above-mentioned mixing section 6 and The axes of the above-mentioned diffusion sections 7 are all coincident and connected by welding; the above-mentioned nozzle 5 is inserted into the above-mentioned suction chamber 3 from the central axis of the above-mentioned suction chamber 3, and the above-mentioned nozzle 5 is composed of a straight pipe section and an outlet section, and the straight pipe section is a cylinder, The outlet section is a conical truncated cone, and the inner wall of the outlet section of the nozzle 5 has four nozzle guide blocks 8; the cross section of the nozzle guide block 8 is a semi-elliptical shape, and is attached to the inner wall of the outlet section of the nozzle 5 in a spiral shape. The liquid plays the role of diversion, and the above-mentioned four nozzle diversion blocks 8 are evenly distributed along the circumferential direction; the above-mentioned gas disturbance pipe 1 is fed with gas to disturb the mixed fluid in the above-mentioned mixing section 6, further intensifying the mixing of the two fluids .

The working process of the utility model is as follows: the liquid enters from the straight pipe section of the nozzle 5, reaches the position of the outlet section of the nozzle 5, and is guided through the liquid guide block 8, the pipe diameter is reduced, the pressure energy is converted into kinetic energy, the flow rate is accelerated, the pressure is reduced, the liquid The outlet is spirally ejected at high speed, and a negative pressure area is formed in the converging section 2. The gas inlet 4 and the converging section 2 form a pressure difference. The gas is sucked into the suction chamber 3 from the gas inlet 4, and then injected into the converging section 2, where it is connected with the nozzle. 5. The spiral liquid ejected at high speed from the outlet begins to contact, and the high-speed shearing gas of the liquid at the mixing section 6 makes the gas-liquid two phases violently mix, and a part of the gas enters the mixing section 6 from the gas turbulence pipe 1 to make the mixing more complete, The kinetic energy of the mixed fluid is converted into pressure energy at the diffusion section 7, the velocity decreases, the pressure increases, and the two fluids are further mixed and then ejected.

The above embodiments are only used to illustrate rather than limit the technical solutions of the present invention. Any modification or partial replacement that does not depart from the spirit of the present invention shall be covered by the scope of the claims of the present invention.

Claims (3)

1. The utility model provides a venturi sprayer of dysmorphism nozzle and gaseous vortex which characterized in that, by gaseous vortex pipe, convergent section, the room of breathing in, gas inlet, nozzle, mixing section, diffuser segment, liquid water conservancy diversion block group become, wherein, each part is connected as follows: the air suction chamber, the convergent section, the mixing section and the divergent section are connected in a welding mode; the gas turbulence pipe is welded with the mixing section, and the axes of the gas turbulence pipe and the mixing section are vertical to each other; the nozzle consists of a straight pipe section and an outlet section, the straight pipe section is a cylinder, the outlet section is a conical round table, and four nozzle guide blocks are uniformly distributed on the inner wall of the outlet section along the circumferential direction; the cross section of the nozzle flow guide block is in a semielliptical shape and is spirally attached to the inner wall of the nozzle outlet section.

2. The venturi injector of claim 1, wherein the cross section of the liquid guiding block is semi-elliptical and attached to the inner wall of the nozzle outlet to guide the liquid, and the four liquid guiding blocks are uniformly distributed along the circumferential direction.

3. The venturi injector of claim 1, wherein the gas turbulence tube is configured to introduce gas to disturb the mixed fluid in the mixing section, thereby further enhancing the mixing of the two fluids and increasing the amount of gas entering the venturi injector.

Images