CN112503974A

CN112503974A - Gasifier for liquid oxygen

Info

Publication number: CN112503974A
Application number: CN202011228425.XA
Authority: CN
Inventors: 孙敬华
Original assignee: Woyang County Huaxia Gas Co ltd
Current assignee: Woyang County Huaxia Gas Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-03-16
Anticipated expiration: 2040-11-06
Also published as: CN112503974B

Abstract

The invention provides a vaporizer for liquid oxygen, which relates to the field of liquid oxygen vaporization and comprises a heat exchange tube, wherein the heat exchange tube is a W-shaped tube, a plurality of heat exchange assemblies are arranged at the vertical pipeline of the heat exchange tube, the heat exchange assemblies are vertically arranged at the vertical pipeline of the heat exchange tube, and each heat exchange assembly comprises an outer tube, an inner tube, fins and a shifting piece; the inner pipe is sleeved at the vertical pipeline of the heat exchange pipe, the outer side of the inner pipe is provided with an outer pipe, four fins are arranged between the outer pipe and the inner pipe in an annular distribution manner, and two ends of each fin are respectively connected to the outer pipe and the inner pipe; six plectrums are connected with equally in heat exchange assembly's annular surface, arrange the setting for the heat exchange tube for the combination between the heat exchange assembly, and this setting can be when frosting situation appears in heat exchange assembly, through rotatory heat exchange assembly for heat in the air is drawn fast to heat exchange assembly, in order to realize quick defrosting function.

Description

Gasifier for liquid oxygen

Technical Field

The invention relates to the field of liquid oxygen gasification, in particular to a gasifier for liquid oxygen.

Background

The liquid oxygen gasification supply refers to a means of filling oxygen meeting national standards as a gas source into a storage device for supply under the conditions of purification, dehydration and compression by a pressurizing station at the ambient temperature of-40-50 ℃ to not more than 25 Mpa.

When the air-temperature gasifier is used for heat exchange gasification of liquid oxygen, the phenomenon of fin frosting often occurs, the gasification efficiency can be greatly reduced due to the phenomenon, and the phenomenon of frosting can further spread in continuous gasification, so that the phenomenon of fin icing and even pipeline freezing is caused, and a new gasifier is urgently needed to solve the existing problems.

Disclosure of Invention

The invention aims to provide a gasifier for liquid oxygen, which solves the technical problem.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a vaporizer for liquid oxygen, includes the heat exchange tube, its characterized in that: the heat exchange tube is a W-shaped tube, a plurality of heat exchange assemblies are arranged at the position of the vertical pipeline of the heat exchange tube, the heat exchange assemblies are vertically arranged at the position of the vertical pipeline of the heat exchange tube, and each heat exchange assembly comprises an outer tube, an inner tube, fins and a shifting piece; the inner pipe is sleeved at the vertical pipeline of the heat exchange pipe, the outer side of the inner pipe is provided with an outer pipe, four fins are arranged between the outer pipe and the inner pipe in an annular distribution manner, and two ends of each fin are respectively connected to the outer pipe and the inner pipe; six shifting pieces are equally connected to the annular outer surface of the heat exchange assembly.

Preferably, the annular cavity between the inner pipe and the outer pipe is equally divided into four fan-shaped cavities with the same size.

Preferably, the heights of the outer tube, the inner tube, the fins and the shifting piece are all consistent.

Preferably, the outer tube includes body, ball groove and spheroid, the annular bottom of body divides equally and is provided with four ball grooves, the ball has been emboliaed in the ball groove to the roll, the spheroid rolls and contacts to the body department that the bottom side set up.

Preferably, the outer tube comprises rolling grooves, the annular top end of the tube body is equally provided with four rolling grooves, and the rolling grooves are arranged in a V shape; the groove depth of the rolling groove is smaller than the radius of the ball body.

Preferably, the end of the heat exchange tube is provided with a leading end and a discharge end respectively, and the leading end and the discharge end are sleeved on the end of the two sides of the heat exchange tube.

Preferably, a bearing frame is arranged on the rear side of the heat exchange tube, the heat exchange tube is fixed to the bearing frame, a disc is arranged in the rectangular frame of the bearing frame, and the disc is transversely arranged at the bottom edge of the rectangular frame; the heat exchange assembly is in rolling contact with the top end of the disc.

The invention has the beneficial effects that:

1. according to the invention, the heat exchange assemblies are arranged in a combined manner relative to the heat exchange tubes, and when the heat exchange assemblies are frosted, the heat exchange assemblies can be rotated to quickly absorb heat in air, so that the function of quick defrosting is realized.

2. According to the invention, the outer pipes are spaced by the spheres, so that the relative rotation between the heat exchange assemblies is facilitated, and the problem of poor heat exchange efficiency caused by the fact that heat is difficult to reach the fins due to the close fit between the heat exchange assemblies is avoided.

3. According to the invention, the rolling groove is formed in the top end of the outer pipe, so that the heat exchange assemblies alternately roll to the rolling groove and the pipe body through the ball body in relative rotation, mutual collision of the heat exchange assemblies in rolling is realized, vibration is generated in collision, and the purpose of shaking off the frost body is further achieved.

Drawings

FIG. 1 is a schematic structural view of a vaporizer for liquid oxygen according to the present invention;

FIG. 2 is a schematic view of a gasification device according to the present invention;

FIG. 3 is a schematic top view of the heat exchange assembly of the present invention;

FIG. 4 is a schematic top view of the outer tube of the present invention;

FIG. 5 is a schematic bottom view of the outer tube of the present invention;

reference numerals: 1. a lead-in end; 2. a heat exchange assembly; 3. a heat exchange pipe; 4. a discharge end; 21. an outer tube; 22. an inner tube; 23. a fin; 24. a shifting sheet; 211. a pipe body; 212. a ball groove; 213. a sphere; 214. and (4) rolling the groove.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 3, a vaporizer for liquid oxygen comprises a heat exchange tube 3, wherein the heat exchange tube 3 is a W-shaped tube, a plurality of heat exchange assemblies 2 are arranged at a vertical pipeline of the heat exchange tube 3, the heat exchange assemblies 2 are vertically arranged at the vertical pipeline of the heat exchange tube 3, and each heat exchange assembly 2 comprises an outer tube 21, an inner tube 22, fins 23 and a shifting piece 24; the inner tube 22 is sleeved at the vertical pipeline of the heat exchange tube 3, the outer tube 21 is arranged outside the inner tube 22, four fins 23 are arranged between the outer tube 21 and the inner tube 22 in an annular distribution manner, and two ends of each fin 23 are respectively connected to the outer tube 21 and the inner tube 22; six shifting sheets 24 are equally connected to the annular outer surface of the heat exchange component 2.

In this embodiment, through setting up outer tube 21 and inner tube 22 for inner tube 22 is when cup jointing heat exchange tube 3, with attached to plectrum 24 and fin 23 department of heat bigger degree, should set up and can draw heat energy in the air by a wide margin, thereby at the heat transfer in-process, improve the adhesion surface of heat energy, in order to avoid because of heat exchange efficiency is poor, the frosting phenomenon that leads to.

In this embodiment, arrange the setting for the combination between the heat exchange assembly 2 for heat exchange tube 3, this setting can be when the frosting situation appears in heat exchange assembly 2, through rotatory heat exchange assembly 2 for heat exchange assembly 2 draws the heat in the air fast, in order to realize quick defrosting function.

Example 2

As shown in fig. 1-4, an outer tube 21 of a vaporizer for liquid oxygen includes a tube body 211, four ball grooves 212 and balls 213, wherein the annular bottom end of the tube body 211 is equally divided into four ball grooves 212, the balls 213 are sleeved in the ball grooves 212 in a rolling manner, and the balls 213 are in rolling contact with the tube body 211 arranged at the bottom side.

In this embodiment, carry out the interval through spheroid 213 between the outer tube 21, this setting does benefit to and carries out relative rotation between the heat exchange assemblies 2 on the one hand, and on the other hand avoids between the heat exchange assemblies 2 because of the laminating is inseparable, and the heat that leads to is difficult to touch to fin 23 department, the poor problem of heat exchange efficiency that causes.

Example 3

As shown in fig. 1 to 5, in a vaporizer for liquid oxygen, an outer tube 21 includes four rolling grooves 214, the annular top end of a tube body 211 is equally provided with four rolling grooves 214, and the rolling grooves 214 are arranged in a V shape; the groove depth of the roller groove 214 is smaller than the radius of the sphere 213.

In this embodiment, the rolling groove 214 is disposed at the top end of the outer tube 21, so that the heat exchange assembly 2 alternately rolls to the rolling groove 214 and the tube body 211 through the ball 213 during the relative rotation, thereby realizing the mutual collision of the heat exchange assembly 2 during the rolling, and generating vibration during the collision, thereby achieving the purpose of shaking the frost body.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A vaporizer for liquid oxygen, comprising a heat exchange tube (3), characterized in that: the heat exchange tube (3) is a W-shaped tube, a plurality of heat exchange assemblies (2) are arranged at the position of a vertical pipeline of the heat exchange tube (3), the heat exchange assemblies (2) are vertically arranged at the position of the vertical pipeline of the heat exchange tube (3), and each heat exchange assembly (2) comprises an outer tube (21), an inner tube (22), a fin (23) and a shifting piece (24); the inner pipe (22) is sleeved at the vertical pipeline of the heat exchange pipe (3), the outer pipe (21) is arranged on the outer side of the inner pipe (22), four fins (23) are arranged between the outer pipe (21) and the inner pipe (22) in an annular distribution manner, and two ends of each fin (23) are respectively connected to the outer pipe (21) and the inner pipe (22); six shifting sheets (24) are connected to the annular outer surface of the heat exchange component (2) in an equal division manner.

2. A vaporizer for liquid oxygen as defined in claim 1, wherein: the annular cavity between the inner pipe (22) and the outer pipe (21) is equally divided into four fan-shaped cavities with the same size.

3. A vaporizer for liquid oxygen as defined in claim 1, wherein: the heights of the outer tube (21), the inner tube (22), the fins (23) and the shifting piece (24) are all consistent.

4. A vaporizer for liquid oxygen as defined in claim 1, wherein: the outer tube (21) comprises a tube body (211), ball grooves (212) and a ball body (213), wherein the annular bottom end of the tube body (211) is provided with four ball grooves (212) in an equal dividing mode, the ball body (213) is sleeved in the ball grooves (212) in a rolling mode, and the ball body (213) is in rolling contact with the tube body (211) arranged on the bottom side.

5. A vaporizer for liquid oxygen as defined in claim 4, wherein: the outer tube (21) comprises rolling grooves (214), the annular top ends of the rolling grooves (214) are equally provided with four rolling grooves (214), and the rolling grooves (214) are arranged in a V shape; the groove depth of the pipe body (211) is smaller than the radius of the sphere (213).

6. A vaporizer for liquid oxygen as defined in claim 1, wherein: the end of the heat exchange tube (3) is provided with a guide-in end (1) and a discharge end (4) respectively, and the guide-in end (1) and the discharge end (4) are sleeved on the end of the two sides of the heat exchange tube (3).

7. A vaporizer for liquid oxygen as defined in claim 1, wherein: a bearing frame (5) is arranged on the rear side of the heat exchange tube (3), the heat exchange tube (3) is fixed to the bearing frame (5), a disc is arranged in a rectangular frame of the bearing frame (5), and the disc is transversely arranged at the bottom edge of the rectangular frame; the heat exchange assembly (2) is in rolling contact with the top end of the disc.