CN212133357U

CN212133357U - Multi-injection-pipe steam ejector

Info

Publication number: CN212133357U
Application number: CN202020334105.1U
Authority: CN
Inventors: 戴仁佑; 戴拓
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-12-11
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a many injection pipes steam jet ware, including barrel, first mounting panel, second mounting panel and a plurality of injection pipe, the both ends of barrel are connected liquid inlet respectively and are taken over and liquid outlet takes over, and first mounting panel and second mounting panel hoop are installed in the barrel, every the one end of injection pipe is installed on the first mounting panel, the other end is installed on the second mounting panel, and every the injection pipe all takes over with liquid inlet and liquid outlet takes over and is linked together, first mounting panel with still be connected with the steam inlet on the barrel between the second mounting panel and take over, first mounting panel the second mounting panel the inside wall of barrel with form the steam chamber between the lateral wall of injection pipe, every be equipped with the aperture that communicates with the steam chamber on the lateral wall of injection pipe. The utility model provides a many injection pipes steam jet ejector can realize the liquid heating misce bene that will wait to heat in the short distance, has avoided the phenomenon of temperature layering to appear.

Description

Multi-injection-pipe steam ejector

Technical Field

The utility model relates to a steam direct heating equipment technical field, more specifically relates to a many injection pipes steam jet ware.

Background

In direct contact steam jet heating devices, steam is mixed directly with a liquid or slurry to heat the liquid or slurry material. Direct contact steam injection heaters efficiently transfer heat from steam to a liquid or slurry. The steam injection heater provides rapid heat transfer with virtually no heat loss to the atmosphere and also transfers both latent and available enthalpy of the steam to the liquid or slurry.

When the flow of liquid to be heated is large, the traditional steam ejector is difficult to uniformly mix the liquid in a short distance, and the phenomenon of temperature stratification is easy to occur.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a multi-injection pipe steam injector to solve the problems in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a multi-injection-pipe steam injector comprises a cylinder body, a first mounting plate, a second mounting plate and a plurality of injection pipes, wherein two ends of the cylinder body are respectively connected with a liquid inlet connecting pipe and a liquid outlet connecting pipe, the first mounting plate and the second mounting plate are annularly mounted in the cylinder body, one end of each injection pipe is mounted on the first mounting plate, the other end of each injection pipe is mounted on the second mounting plate, each injection pipe is communicated with the liquid inlet connecting pipe and the liquid outlet connecting pipe, the cylinder body between the first mounting plate and the second mounting plate is also connected with a steam inlet connecting pipe, a steam cavity is formed among the inner side wall of the first mounting plate, the second mounting plate, the cylinder body and the outer side wall of each injection pipe, and a small hole communicated with the steam cavity is formed in the side wall of each injection pipe;

the injection pipe comprises a first injection pipe and a plurality of second injection pipes, wherein the first injection pipe is positioned on the central axis of the cylinder body, the first injection pipe is used as the center, and the second injection pipes are uniformly distributed in the circumferential direction.

Preferably, a liquid distributor is fixedly arranged in the cylinder between the liquid inlet connecting pipe and the spraying pipe.

Preferably, the ejector tube is a venturi ejector tube.

Preferably, the small holes on the side wall of the injection pipe are oblique small holes arranged at intervals.

Preferably, the liquid inlet connecting pipe and the liquid outlet connecting pipe are both conical connecting pipes and are symmetrically arranged at two ends of the cylinder body.

Preferably, the outer end of the liquid inlet connecting pipe is provided with a liquid inlet flange; the outer end of the liquid outlet connecting pipe is provided with a liquid outlet flange; and a steam inlet flange is arranged at the outer end of the steam inlet connecting pipe.

Preferably, the side wall of the barrel is also connected with a sewage discharge pipe.

The beneficial effects of the utility model reside in that:

the utility model discloses an at the inside injection pipe that sets up a plurality of evenly distributed of barrel, carry out the decentralized heating to replace traditional mode that adopts an injection pipe to heat, realized better faster more even heating effect, avoided the phenomenon of appearance temperature layering.

The liquid distributor is arranged, so that the liquid entering the cylinder can be distributed, the liquid amount in each injection pipe is consistent, and the liquid entering the injection pipes can be uniformly heated.

By adopting the Venturi injection pipe, the liquid is easier to disperse, and the mixing and condensation of the liquid and the steam are facilitated.

The small holes on the jet pipe are arranged to be oblique small holes at intervals, so that the minimization of vibration and noise can be realized.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic distribution diagram of 5 injection pipes according to the present invention.

Fig. 3 is a schematic distribution diagram of 4 injection pipes according to the present invention.

Description of reference numerals:

1. a liquid inlet flange; 2. a barrel; 3. a steam inlet connection pipe; 4. a steam inlet flange; 5. a first mounting plate; 6. an injection pipe; 6-1, a first injection pipe; 6-2. a second injection pipe; 7. a small hole; 8. a liquid outlet flange; 9. a liquid outlet connection pipe; 10. a blow-off pipe; 11. a second mounting plate; 12. a liquid dispenser; 13. a liquid inlet connection pipe; 14. a steam chamber.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 3, a multi-spray pipe steam injector includes a barrel 2, a first mounting plate 5, a second mounting plate 11 and a plurality of spray pipes 6, the two ends of the cylinder body 2 are respectively connected with a liquid inlet connecting pipe 13 and a liquid outlet connecting pipe 9, the first mounting plate 5 and the second mounting plate 11 are annularly arranged in the cylinder body 2, one end of each injection pipe 6 is arranged on the first mounting plate 5, the other end is arranged on the second mounting plate 11, and each of the injection pipes 6 is communicated with a liquid inlet connection pipe 13 and a liquid outlet connection pipe 9, a steam inlet connecting pipe 3 is connected on the cylinder body 2 between the first mounting plate 5 and the second mounting plate 11, the first mounting plate 5, the second mounting plate 11 the inside wall of barrel 2 with form steam chamber 14 between the lateral wall of injection pipe 6, every be equipped with on the lateral wall of injection pipe 6 with the aperture 7 of steam chamber 14 intercommunication.

In this embodiment, the injection pipes 6 are venturi injection pipes; the distribution of the injection pipes 6 is shown in fig. 2 or 3, the injection pipes 6 include a first injection pipe 6-1 and a plurality of second injection pipes 6-2, the first injection pipe 6-1 is located on the central axis of the cylinder 2, the first injection pipe 6-1 is taken as the center, and the plurality of second injection pipes 6-2 are uniformly distributed in the circumferential direction; the total number of the injection pipes 6 may be set to 4, 5, or more than 3 or 5 in some other embodiments, and is not limited herein. Through the inside venturi injection pipe that sets up a plurality of evenly distributed at barrel 2, carry out the dispersion heating to replace the traditional mode that adopts an injection pipe to heat, realized better faster more even heating effect, and adopt the venturi injection pipe, liquid changes in the dispersion more, is favorable to the mixture of faster and steam to condense simultaneously, has avoided the phenomenon of temperature layering to appear.

In order to make the amount of liquid entering each injection pipe 6 consistent and further ensure that the liquid entering the injection pipes 6 can be uniformly heated, a liquid distributor 12 is fixedly installed inside the cylinder body between the liquid inlet connecting pipe 13 and the injection pipes 6, the liquid distributor 12 is arranged in the middle of the cylinder body 2, the cross section area of the liquid distributor is gradually increased along the flowing direction of the liquid, and a channel formed inside the liquid distributor is gradually reduced, so that the liquid in the middle is conveniently dispersed to two sides to realize uniform distribution.

With continued reference to fig. 1, the small holes 7 on the side wall of the injection pipe 6 are oblique small holes arranged at intervals, and the oblique direction of the small holes faces the flowing direction of the liquid. By arranging the apertures 7 in the injection pipe 6 as spaced, inclined apertures, a minimum of vibration and noise can be achieved.

Further, the liquid inlet connecting pipe 13 and the liquid outlet connecting pipe 9 are both conical connecting pipes and are symmetrically arranged at two ends of the cylinder body 2; the outer end of the liquid inlet connecting pipe 9 is provided with a liquid inlet flange 1; the outer end of the liquid outlet connecting pipe 9 is provided with a liquid outlet flange 8; the outer end of the steam inlet connecting pipe 3 is provided with a steam inlet flange 4; thereby being convenient for realizing the sealing connection installation of each pipeline.

In the illustrated embodiment, a sewage draining pipe 10 is further connected to the side wall of the cylinder 2 for periodically draining the inside of the cylinder 2.

Specifically, liquid to be heated enters the barrel 2 from the liquid inlet connecting pipe 13, then enters the venturi injection pipes uniformly under the action of the liquid distributor 12, meanwhile, steam enters the steam cavity 14 through the steam inlet connecting pipe 3, steam in the steam cavity 14 is sprayed into the venturi injection pipes through the inclined small holes formed in the venturi injection pipes, and is mixed with liquid to be heated, heating is achieved, and the heated liquid flows out of the venturi injection pipes, is further mixed in the barrel 2 and then flows out through the liquid outlet connecting pipe 9.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A multi-injection-pipe steam injector is characterized by comprising a cylinder body, a first mounting plate, a second mounting plate and a plurality of injection pipes, wherein two ends of the cylinder body are respectively connected with a liquid inlet connecting pipe and a liquid outlet connecting pipe;

2. The multiple jet stack steam injector of claim 1, wherein a liquid distributor is fixedly mounted inside the barrel between the liquid inlet nozzle and the jet stack.

3. The multi-jet pipe steam injector of claim 1, wherein the jet pipe is a venturi jet pipe.

4. The multiple jet stack steam injector of claim 1, wherein the orifices in the side walls of the jet stacks are spaced apart and angled orifices.

5. The multi-jet stack vapor injector of claim 1, wherein the liquid inlet and outlet nipples are conical nipples and are symmetrically disposed at both ends of the barrel.

6. The multi-jet stack steam injector of claim 1, wherein the outer end of the liquid inlet nozzle is fitted with a liquid inlet flange; the outer end of the liquid outlet connecting pipe is provided with a liquid outlet flange; and a steam inlet flange is arranged at the outer end of the steam inlet connecting pipe.

7. The multiple jet stack steam injector of claim 1, wherein a drain is further connected to a sidewall of the barrel.