CN217844825U

CN217844825U - Steam ejector

Info

Publication number: CN217844825U
Application number: CN202222284862.4U
Authority: CN
Inventors: 张源民; 孙文旭; 张海伦; 马晓静; 冯浩东
Original assignee: Shandong Ward Water Purification Technology Co ltd
Current assignee: Shandong Ward Water Purification Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-18
Anticipated expiration: 2032-08-30

Abstract

The utility model provides a steam ejector, include: steam inlet, body, seal cover, mixed inner tube, branch pipe, aqueduct, heat insulation layer, steam pipe and hybrid tube, the steam pipe is installed to steam inlet right-hand member, the hybrid tube is installed to the steam pipe right-hand member, the heat insulation layer is installed to the body inboard, heat insulation layer internally mounted has four group's mixed inner tubes, four group all install the branch pipe between the mixed inner tube, four group divide the inboard intermediate position of pipe to install the aqueduct, compare with prior art, the utility model discloses following beneficial effect has: through using heat insulating layer and seal cover, can reduce the impact that takes place when mixing and prevent high temperature to derive, through using spiral guide vane, branch pipe and aqueduct, can accelerate steam mixing efficiency.

Description

Steam ejector

Technical Field

The utility model belongs to the technical field of steam jet, a steam ejector is related to.

Background

The ejector is a device for transferring energy and quality by utilizing fluid, the application is very wide, various enterprises generally adopt to realize the direct mixing heating of steam and water through a steam jet heater when heating industrial water nowadays, the traditional steam jet heater generally adopts single direct current jet, high-temperature steam is jetted out at high speed through a direct current nozzle to be mixed with water, but in actual use, the temperature and the pressure intensity of the single direct current high-temperature steam and the water in a mixing pipe are higher when mixing, the equipment can be unstable at the moment, great potential safety hazard exists, meanwhile, the direct current efficiency is poorer after the steam and the water are mixed, and therefore, a steam ejector is needed urgently to solve the problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a steam ejector solves the problem of proposing in the above-mentioned background art.

The utility model discloses a following technical scheme realizes: a steam injector, comprising: the steam mixing device comprises a steam inlet, a steam pipe and a mixing pipe, wherein the steam pipe is installed at the right end of the steam inlet, and the mixing pipe is installed at the right end of the steam pipe;

the mixing pipe comprises a pipe body, a sealing sleeve, a mixing inner pipe, a branch guide pipe, a water guide pipe and a heat insulation layer, wherein the heat insulation layer is arranged on the inner side of the pipe body;

four groups of mixed inner pipes are arranged in the heat insulation layer, a branch guide pipe is arranged between the four groups of mixed inner pipes, and a water guide pipe is arranged in the middle of the inner side of the branch guide pipe.

In a preferred embodiment, the interior of the mixing tube, the interior of the steam tube and the interior of the steam inlet are all communicated with each other, and the cross section of the steam tube is in a trapezoidal structure, so that steam can enter the mixing tube conveniently.

In a preferred embodiment, the heat insulating layer is fixedly connected with the inner side of the mixing pipe, the heat insulating layer is made of a ceramic heat insulating layer, and the heat insulating layer is fixedly connected with the sealing sleeve and can insulate heat generated by steam.

As a preferred embodiment, the interior of the sealing sleeve is fixedly connected with the mixed inner tube, a plurality of component flow holes are formed in the mixed inner tube and the interior of the sealing sleeve, and the component flow holes are connected with the component guide tubes in a sealing mode.

As a preferred embodiment, the insides of the plurality of groups of component guide pipes are communicated with the inside of a group of water guide pipes, and the water guide pipes are communicated with the insides of the correspondingly arranged mixed inner pipes through the insides of the plurality of groups of component guide pipes.

In a preferred embodiment, the mixing inner pipes are internally provided with spiral guide vanes, and the four groups of mixing inner pipes are connected with the inside of a steam pipe through nozzles.

After the technical scheme is adopted, the beneficial effects of the utility model are that: through using heat insulating layer and seal cover, the impact that takes place and prevent high temperature to derive when can reducing the mixture, through using spiral guide plate, branch pipe and aqueduct, can accelerate steam mixing efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.

Fig. 1 is a schematic structural view of a steam ejector according to the present invention;

FIG. 2 is a right side view of the structure of the mixing tube of the steam ejector according to the present invention;

FIG. 3 is a front view of the inside of a mixing tube of a steam ejector according to the present invention;

in the figure: 1-steam inlet, 2-pipe body, 3-sealing sleeve, 3 a-mixed inner pipe, 3 b-branch conduit, 3 c-aqueduct, 3 d-thermal insulation layer, 3 e-steam pipe and 3 f-mixed pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a steam injector includes: the steam mixing device comprises a steam inlet 1, a steam pipe 2 and a mixing pipe 3, wherein the steam pipe 2 is installed at the right end of the steam inlet 1, and the mixing pipe 3 is installed at the right end of the steam pipe 2;

the mixing pipe 3 comprises a pipe body 3a, a sealing sleeve 3b, a mixing inner pipe 3c, a branch conduit 3d, a water guide pipe 3e and a heat insulation layer 3f, wherein the heat insulation layer 3f is arranged on the inner side of the pipe body;

four groups of mixed inner pipes 3c are arranged in the heat insulation layer 3f, branch guide pipes 3d are arranged among the four groups of mixed inner pipes 3c, and water guide pipes 3e are arranged in the middle of the inner sides of the four groups of mixed inner pipes 3 d.

The interior of the mixing pipe 3, the interior of the steam pipe 2 and the interior of the steam inlet 1 are communicated with each other, and the cross section of the steam pipe 2 is of a trapezoidal structure, so that steam can conveniently enter the interior of the mixing pipe 3.

The heat insulation layer 3f is fixedly connected with the inner side of the mixing pipe 3, the heat insulation layer 3f is made of a ceramic heat insulation layer, and the heat insulation layer 3f is fixedly connected with the seal sleeve 3b and can insulate heat generated by steam.

Inside being connected fixedly with mixed inner tube 3c of seal cover 3b, mixed inner tube 3c all seted up a plurality of group discharge orifices with seal cover 3b is inside, a plurality of group discharge orifices with divide pipe 3d sealing connection, can be to the quick water guide of steam.

The insides of the component guide pipes 3d are communicated with the inside of a group of water guide pipes 3e in a connected mode, and the water guide pipes 3e are communicated with the inside of the correspondingly installed mixing inner pipes 3c in a connected mode through the insides of the component guide pipes 3d, so that the mixing efficiency of steam and water is improved.

The inner mixing pipes 3c are internally provided with spiral guide vanes, and the four groups of inner mixing pipes 3c are connected with the inner part of the steam pipe 2 through nozzles, so that the mixture of steam and water can be spirally led out.

As a first embodiment of the present invention: in order to solve the problem that when high-temperature steam is ejected at high speed through a direct-current nozzle and is mixed with water, and the high temperature causes high pressure intensity and can cause unstable operation of equipment, firstly, a worker introduces the steam from a steam inlet 1, mixed water is introduced from a water guide pipe 3e, when the steam enters a steam pipe 2, the diameter of a pipe body 3a of the steam pipe is increased, the steam uniformly enters four groups of mixed inner pipes 3c, the mixed water enters a branch guide pipe 3d from the water guide pipe 3e and is mixed with the steam inside the mixed inner pipes 3c, and meanwhile, the high temperature and the air pressure of the steam are isolated through a sealing sleeve 3b and a temperature insulating layer 3f, so that the problem that the temperature difference between the inner side and the outer side of the mixed pipe 3 is large and the cracking is caused can be effectively prevented, and the operation of the equipment is stabilized.

As a second embodiment of the present invention: in order to solve the problem of improving the steam mixing efficiency, firstly, according to the first embodiment, as four groups of mixed inner pipes 3c are arranged in the heat insulation layer 3f, the water guide pipe 3e is communicated with the inner part of the correspondingly arranged mixed inner pipe 3c through the inner parts of the component guide pipes 3d, the mixed water enters the four groups of mixed inner pipes 3c through the four groups of component guide pipes 3d respectively and is mixed with the steam, the single-pipe mixing efficiency can be greatly improved, and meanwhile, the spiral guide sheet can guide out the mixture of the steam and the water in a spiral airflow manner, so that the guide efficiency is improved.

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. A steam injector, comprising: steam inlet (1), steam pipe (2) and hybrid tube (3), its characterized in that: a steam pipe (2) is installed at the right end of the steam inlet (1), and a mixing pipe (3) is installed at the right end of the steam pipe (2);

the mixing pipe (3) comprises a pipe body (3 a), a sealing sleeve (3 b), a mixing inner pipe (3 c), a branch guide pipe (3 d), a water guide pipe (3 e) and a heat insulation layer (3 f), and the heat insulation layer (3 f) is arranged on the inner side of the pipe body;

the heat insulation layer (3 f) is internally provided with four groups of mixed inner pipes (3 c), a branch guide pipe (3 d) is arranged between the four groups of mixed inner pipes (3 c), and a water guide pipe (3 e) is arranged in the middle of the inner side of the branch guide pipe (3 d).

2. A steam injector as claimed in claim 1, wherein: the interior of the steam inlet (1), the interior of the steam pipe (2) and the interior of the mixing pipe (3) are communicated with each other, and the cross section of the steam pipe (2) is of a trapezoidal structure.

3. A steam injector as claimed in claim 2, wherein: the inner side of the mixing pipe (3) is fixedly connected with the heat insulation layer (3 f), the heat insulation layer (3 f) is made of a ceramic heat insulation layer, and the sealing sleeve (3 b) is fixedly connected with the heat insulation layer (3 f).

4. A steam injector as claimed in claim 3, wherein: seal cover (3 b) inside is connected fixedly with mixed inner tube (3 c), a plurality of groups discharge orifice, a plurality of groups have all been seted up with seal cover (3 b) inside to mixed inner tube (3 c) the discharge orifice with divide pipe (3 d) sealing connection.

5. A steam injector as claimed in claim 4, wherein: the insides of the plurality of groups of the branch guide pipes (3 d) are communicated with the inside of a group of water guide pipes (3 e), and the water guide pipes (3 e) are communicated with the inside of the corresponding mixed inner pipe (3 c) through the insides of the plurality of groups of the branch guide pipes (3 d).

6. A steam injector as claimed in claim 5, wherein: spiral guide vanes are arranged in the mixing inner pipes (3 c), and the four groups of mixing inner pipes (3 c) are connected with the inside of the steam pipe (2) through nozzles.