CN213981392U

CN213981392U - Liquid ejector

Info

Publication number: CN213981392U
Application number: CN202023238294.1U
Authority: CN
Inventors: 张月圆; 黄健
Original assignee: Nantong Chengguang Graphite Equipment Co ltd
Current assignee: Nantong Chengguang Graphite Equipment Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-17
Anticipated expiration: 2030-12-29

Abstract

The liquid ejector comprises a body, wherein the inside of the body is hollow to form a cavity body, the lower end of the cavity body is provided with a mixing cavity, the mixing cavity is of a structure with two penetrating ends, the side edge of the cavity body is provided with an air inlet, and the cavity body is connected with a conical nozzle; the diffusion tube is internally communicated with a conical diffusion cavity, and one end of the conical diffusion cavity is provided with a throat cavity; the conical nozzle, the mixing cavity and the conical diffusion cavity are arranged in a collinear manner; the side wall of the inner cavity of the body, the side wall of the inner cavity of the diffusion tube and the side wall of the inner cavity of the conical nozzle are all provided with graphite layers. The beneficial effects are that: the corrosion resistance and the high temperature resistance are better; the detachable combination can be carried out, and the detachable combination is suitable for more use environments; has better mixing and diffusion effects.

Description

Liquid ejector

Technical Field

The utility model belongs to the technical field of the sprayer technique and specifically relates to a graphite sprayer.

Background

The ejector is a vacuum obtaining device which utilizes fluid to transfer energy and mass, adopts water flow with certain pressure to be sprayed out through nozzles symmetrically and uniformly distributed with certain side inclination, and the water flow is converged on a focus. Because the flow velocity of the sprayed water is extremely high, the pressure energy is converted into the velocity energy, so that the pressure in the suction area is reduced to generate vacuum.

The existing ejector is generally directly made of metal plastics and the like, and has poor high-temperature resistance and corrosion resistance.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model adopts the following technical scheme:

a liquid ejector comprising

The inner part of the body is hollow to form a cavity body, the lower end of the cavity body is provided with a mixing cavity, the mixing cavity is of a structure with two penetrating ends, the side edge of the cavity body is provided with an air inlet, and the cavity body is connected with a conical nozzle; and

the diffusion tube is internally communicated with a conical diffusion cavity, and one end of the conical diffusion cavity is provided with a throat cavity;

the conical nozzle, the mixing cavity and the conical diffusion cavity are arranged in a collinear manner;

the side wall of the inner cavity of the body, the side wall of the inner cavity of the diffusion tube and the side wall of the inner cavity of the conical nozzle are all provided with graphite layers.

One mode also comprises a connecting pipe, two ends of which are respectively connected with the inner part of the connecting pipe, wherein a conical cavity is formed;

the two ends of the connecting pipe are respectively connected with the body and the diffusion pipe.

In one mode, the inner cavity side wall of the connecting tube is provided with a graphite layer.

In one mode, the body, the diffusion pipe, the connecting pipe and the conical nozzle are made of graphite.

In one mode, graphite layers are attached to the body, the diffusion tube, the connecting tube and the side wall of the conical nozzle.

In one mode, the inner diameter of one end of the conical diffusion cavity connected with the throat cavity is smaller than that of the other end of the conical diffusion cavity.

In one mode, the liquid outlet of the conical nozzle is positioned in the cavity body, and the lower end of the liquid outlet is positioned on the upper side of the mixing cavity.

In one mode, an annular groove body is arranged on the lower end face of the body and surrounds the mixing cavity; the inner side wall of the annular groove body is provided with a screwed thread part;

one end face of the diffusion pipe and one end face of the connecting pipe are provided with annular connecting bulges which can be screwed with the annular groove body.

In one mode, the cavity is a spherical cavity.

The utility model has the advantages that:

1. the corrosion resistance and the high temperature resistance are better;

2. the detachable combination can be carried out, and the detachable combination is suitable for more use environments;

3. has better mixing and diffusion effects.

Drawings

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

fig. 2 is a schematic structural view of the utility model;

FIG. 3 is a schematic view of a diffuser.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as in FIG. 1, a liquid ejector, comprising

The nozzle comprises a body 20, a hollow cavity 21 is formed in the body 20, a mixing cavity 23 is arranged at the lower end of the cavity 21, the mixing cavity 23 is a structure with two ends penetrating through, an air inlet 22 is arranged on the side edge of the cavity 21, and the cavity 21 is connected with a conical nozzle 10; and

two ends of the conical nozzle 10 are communicated to form a nozzle cavity 24, and the lower end of the nozzle cavity 24 discharges liquid to the mixing cavity 23;

in connection with what is shown in fig. 2, the liquid passes from the conical nozzle 10, into the hollow body 21,

the liquid outlet of the conical nozzle 10 is positioned in the hollow cavity 21, and the lower end of the liquid outlet is positioned at the upper side of the mixing cavity 23.

The cavity body 21 is a spherical cavity body; the gas can form spiral gas flow in the interior after entering from the side surface, and simultaneously, under the action of pressure, the gas flow is mixed with the liquid sprayed out from the lower end of the nozzle cavity 24 in the mixing cavity 23, so that the liquid is dispersed;

with reference to the content shown in fig. 3, the diffusion tube 40 has a tapered diffusion cavity 41 formed therein, and one end of the tapered diffusion cavity 41 is provided with a throat cavity 42;

the larger inner diameter end of the conical diffusion cavity 41 of the diffusion tube 40 is positioned at the lower part, so that the atomized liquid can be conveniently sprayed in a diffusion mode.

The conical nozzle 10, the mixing cavity 23 and the conical diffusion cavity 41 are arranged in a collinear way,

the side wall of the inner cavity of the body 20, the side wall of the inner cavity of the diffusion tube 40 and the side wall of the inner cavity of the conical nozzle 10 are all provided with graphite layers.

The graphite layer is attached to and arranged on the side wall of the inner cavity of the body 20, the side wall of the inner cavity of the diffusion tube 40 and the side wall of the inner cavity of the conical nozzle 10, the graphite layer is arranged on the inner wall, so that the interior of the ejector can be better protected, and the inner wall of the cavity is protected when acid and high-temperature substances are ejected.

The device also comprises a connecting pipe 30, two ends of which are respectively connected with the inner part of the connecting pipe to form a conical cavity 31;

the connection pipe 30 is connected at both ends thereof to the body 20 and the diffusion pipe 40, respectively.

In some embodiments, the lower end surface of the body 20 is provided with an annular groove which is arranged around the mixing cavity 23; the inner side wall of the annular groove body is provided with a screwed thread part;

and annular connecting bulges which can be screwed with the annular groove bodies are arranged on one end surfaces of the diffusion pipe 40 and the connecting pipe 30.

The length adjustment of the ejector can be realized, the length change is realized by the increase and decrease of the connecting pipe 30, for this reason, an annular groove body is also arranged at the lower end of the connecting pipe 30 and is used for being matched and connected with the connecting protrusion, and therefore, the connection of a plurality of connecting pipes 30 is realized in some embodiments.

The annular bulge is screwed into the annular groove body, so that the two parts can be connected in a screwed mode, and a scheme similar to the prior art is adopted in one mode of the specific structure.

The side wall of the inner cavity of the connecting pipe 30 is provided with a graphite layer.

The body 20, the diffusion pipe 40, the connecting pipe 30 and the conical nozzle 10 are made of graphite, and the whole assembly is made of graphite.

Graphite layers are attached to the side walls of the body 20, the diffusion pipe 40, the connecting pipe 30 and the conical nozzle 10; the structure is that the inner part is a metal inner layer structure, and then a graphite layer is arranged on the inner surface and the outer surface so as to form the graphite ejector assembly.

The inner diameter of one end of the conical diffusion cavity 41 connected with the throat cavity 42 is smaller than that of the other end.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model is based on the appended claims.

Claims

1. A liquid ejector, characterized by: comprises that

The hollow nozzle comprises a body (20), a hollow cavity body (21) is formed in the hollow cavity body, a mixing cavity (23) is arranged at the lower end of the hollow cavity body (21), the mixing cavity (23) is of a structure with two ends penetrating through, an air inlet (22) is arranged on the side edge of the hollow cavity body (21), and the hollow cavity body (21) is connected with a conical nozzle (10); and

the diffusion tube (40) is internally communicated with a conical diffusion cavity (41), and one end of the conical diffusion cavity (41) is provided with a throat cavity (42);

the conical nozzle (10), the mixing cavity (23) and the conical diffusion cavity (41) are arranged in a collinear manner;

the graphite layers are arranged on the side wall of the inner cavity of the body (20), the side wall of the inner cavity of the diffusion pipe (40) and the side wall of the inner cavity of the conical nozzle (10).

2. The liquid ejector of claim 1, wherein:

the device also comprises a connecting pipe (30), two ends of the connecting pipe are respectively connected with a conical cavity (31) formed in the inner part of the connecting pipe;

the two ends of the connecting pipe (30) are respectively connected with the body (20) and the diffusion pipe (40).

3. The liquid ejector of claim 2, wherein: the side wall of the inner cavity of the connecting pipe (30) is provided with a graphite layer.

4. A liquid ejector as in any one of claims 2-3, wherein: the body (20), the diffusion pipe (40), the connecting pipe (30) and the conical nozzle (10) are all made of graphite.

5. A liquid ejector as in any one of claims 2-3, wherein: graphite layers are attached to the side walls of the body (20), the diffusion pipe (40), the connecting pipe (30) and the conical nozzle (10).

6. The liquid ejector of claim 1, wherein: the inner diameter of one end of the conical diffusion cavity (41) connected with the throat cavity (42) is smaller than that of the other end.

7. The liquid ejector of claim 1, wherein: the liquid outlet of the conical nozzle (10) is positioned in the hollow cavity (21), and the lower end of the liquid outlet is positioned on the upper side of the mixing cavity (23).

8. The liquid ejector of claim 2, wherein: an annular groove body is arranged on the lower end face of the body (20), and the annular groove body is arranged around the mixing cavity (23); the inner side wall of the annular groove body is provided with a screwed thread part;

one end face of the diffusion pipe (40) and one end face of the connecting pipe (30) are provided with annular connecting bulges which can be connected with the annular groove body in a screwing mode.

9. The liquid ejector of claim 2, wherein: the cavity body (21) is a spherical cavity body.