CN211170766U

CN211170766U - Radiant tube and heat conduction device

Info

Publication number: CN211170766U
Application number: CN201921993623.8U
Authority: CN
Inventors: 李明新; 李冰
Original assignee: Weifang New Innovative Material Technology Co ltd
Current assignee: Weifang New Innovative Material Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-08-04
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a radiant tube, include: the inner pipe and the outer pipe are made of silicon carbide materials through reaction sintering, and the inner pipe is arranged in the outer pipe; the front end of the outer pipe is provided with a semicircular bulge; a first protruding circular ring is arranged at the rear end of the outer pipe; a long pipe is arranged in the middle of the outer pipe; the inner part of the inner pipe is a cavity penetrating through the inner pipe; the inner pipe is provided with at least one connecting body; the inner tube is formed by integrally casting silicon carbide materials. The second cylinder is connected with the third cylinder through a connecting plate which inclines towards two sides; a convex trapezoidal table is arranged in the middle of the outer side of the third cylinder; four trapezoid tables are arranged along the periphery of the third cylinder; the four trapezoidal platforms are uniformly distributed on the same circumference of the third cylinder. The outer side of the trapezoidal table is in contact with the inner part of the outer pipe. Through setting up above-mentioned radiant tube, the cooperation of inner tube and outer tube is used, can promote the heat conduction efficiency of radiant tube greatly, has improved heat conduction device's heat conduction efficiency.

Description

Radiant tube and heat conduction device

Technical Field

The utility model belongs to the technical field of heat-conduction and specifically relates to a radiant tube and heat-conduction device are related to.

Background

As is well known, reaction sintering carborundum radiant tube has good heat-transfer performance for the annealing treatment production line of steel, metallurgical industry, and be applicable to the heat-conduction device under high temperature, high corruption, the high wearing and tearing condition, at present, radiant tube structural design is simple, can't reach real heat-transfer performance, causes heat-conduction device heat-conduction inefficiency, the utility model aims at studying a radiant tube that heat-conduction efficiency is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. For this reason, an object of the present invention is to provide a radiant tube, which has the advantage of high heat conduction efficiency.

The utility model discloses heat-conduction device with radiant tube has still been proposed.

A radiant tube, comprising: the inner pipe and the outer pipe are made of silicon carbide materials through reaction sintering, and the inner pipe is arranged in the outer pipe; the front end of the outer pipe is provided with a semicircular bulge; a first protruding circular ring is arranged at the rear end of the outer pipe; a long pipe is arranged in the middle of the outer pipe; the outer pipe is integrally formed in a static pressure mode; the inner part of the inner pipe is a cavity penetrating through the inner pipe; the inner pipe is provided with at least one connecting body; the inner tube is formed by integrally casting silicon carbide materials.

Preferably, a first cavity is arranged at the front end of the connecting body, and the first cavity is of a structure that the middle is a first cylinder and the two sides are symmetrical first semicircles; the diameter of the first cylinder is 96mm, and the height of the first cylinder is 50 mm; the diameter of the first semicircle is 38 mm; the height is 4 mm.

Preferably, a second cylinder is connected to the rear part of the first cavity, and the diameter of the second cylinder is 96mm, and the height of the second cylinder is 22 mm.

Preferably, the second cylinder is connected with the third cylinder through a connecting plate inclined towards two sides; the diameter of the third cylinder is 106mm, and the height of the third cylinder is 176 mm; a convex trapezoidal table is arranged in the middle of the outer side of the third cylinder; four trapezoid tables are arranged along the periphery of the third cylinder; the four trapezoidal platforms are uniformly distributed on the same circumference of the third cylinder.

Preferably, the outer side of the trapezoidal table is in contact with the inside of the outer tube.

Preferably, the rear part of the third cylinder is connected with a second cavity; the second cavity is structurally a second semicircle with a fourth cylinder in the middle and symmetrical two sides; the diameter of the fourth cylinder is 96mm, and the height of the fourth cylinder is 40 mm; the diameter of the second semicircle is 43 mm; the height is 4 mm.

A heat transfer device, characterized by: comprising a radiant tube according to any preceding claim.

According to the utility model discloses the radiant tube, through setting up above-mentioned radiant tube, the cooperation of inner tube and outer tube is used, can promote the heat conduction efficiency of radiant tube greatly, has improved heat-conduction device's heat conduction efficiency.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a diagram of the construction of the outer tube of one embodiment of the present invention;

FIG. 2 is a diagram of the inner tube structure of one embodiment of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a sectional view taken along line B-B of FIG. 2;

fig. 5 is a sectional view taken along line C-C in fig. 2.

Reference numerals:

the connecting structure comprises an inner pipe 1, an outer pipe 2, a semicircular bulge 21, a first ring 22, a long pipe 23, a connecting body 3, a first cavity 31, a first cylinder 32, a first semicircle 33, a second cylinder 34, a connecting plate 35, a third cylinder 36, a trapezoidal table 37, a second cavity 38, a fourth cylinder 39 and a second semicircle 40.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A radiant tube according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1-2, a radiant tube includes: the inner tube 1 and the outer tube 2 are made of silicon carbide materials through reaction sintering, and the inner tube 1 is installed inside the outer tube 2; the front end of the outer tube 2 is provided with a semicircular bulge 21; a first protruding ring 22 is arranged at the rear end of the outer pipe 2; a long pipe 23 is arranged in the middle of the outer pipe 2; the outer pipe 2 is integrally formed in a static pressure mode; the inner part of the inner pipe 1 is a cavity penetrating through the inner pipe 1; the inner pipe 1 is at least provided with a connecting body 3; the inner tube 1 is formed by integrally casting silicon carbide materials.

As shown in fig. 2 and 5, preferably, a first cavity 31 is formed at the front end of the connecting body 3, and the first cavity 31 has a structure that a first cylinder 32 is formed in the middle and first semicircles 33 are formed at two sides; the diameter of the first cylinder 32 is 96mm, and the height is 50 mm; the diameter of the first semicircle 33 is 38 mm; the height is 4 mm.

Preferably, a second cylinder 34 is connected to the rear of the first cavity 31, and the diameter of the second cylinder 34 is 96mm and the height thereof is 22 mm.

As shown in fig. 2 and 3, preferably, the second cylinder 34 is connected with a third cylinder 36 through a connecting plate 35 inclined to both sides; the diameter of the third cylinder 36 is 106mm, and the height is 176 mm; a convex trapezoidal table 37 is arranged in the middle of the outer side of the third cylinder 36; four trapezoid tables 37 are arranged along the periphery of the third cylinder 36; the four trapezoidal shaped platforms 37 are evenly distributed on the same circumference of the third cylinder 36.

Preferably, the outer side of said trapezoidal table 37 is in contact with the inside of the outer tube 2.

As shown in fig. 2 and 4, preferably, a second cavity 38 is connected to the rear part of the third cylinder 36; the second cavity 38 is a fourth cylinder 39 in the middle and symmetrical second semicircles 40 at two sides; the diameter of the fourth cylinder 39 is 96mm, and the height thereof is 40 mm; the diameter of the second semicircle 40 is 43 mm; the height is 4 mm.

According to the utility model discloses the radiant tube, through setting up above-mentioned radiant tube, the cooperation of inner tube 1 and outer tube 2 is used, can promote the heat conduction efficiency of radiant tube greatly, has improved heat-conduction device's heat conduction efficiency.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A radiant tube, comprising: inner tube and outer tube, characterized by: the inner pipe and the outer pipe are made of silicon carbide materials through reaction sintering, and the inner pipe is arranged inside the outer pipe; the front end of the outer pipe is provided with a semicircular bulge; a first protruding circular ring is arranged at the rear end of the outer pipe; a long pipe is arranged in the middle of the outer pipe; the outer pipe is integrally formed in a static pressure mode; the inner part of the inner pipe is a cavity penetrating through the inner pipe; the inner pipe is provided with at least one connecting body; the inner tube is formed by integrally casting silicon carbide materials.

2. A radiant tube as claimed in claim 1, wherein the front end of the connecting body is provided with a first cavity, the first cavity has a structure of a first semicircle with a first cylinder in the middle and symmetrical sides; the diameter of the first cylinder is 96mm, and the height of the first cylinder is 50 mm; the diameter of the first semicircle is 38 mm; the height is 4 mm.

3. A radiant tube as claimed in claim 2, wherein a second cylinder is connected to the rear of said first cavity, said second cylinder having a diameter of 96mm and a height of 22 mm.

4. A radiant tube in accordance with claim 3, characterized in that the second cylinder is connected to the third cylinder by a web inclined to both sides; the diameter of the third cylinder is 106mm, and the height of the third cylinder is 176 mm; a convex trapezoidal table is arranged in the middle of the outer side of the third cylinder; four trapezoid tables are arranged along the periphery of the third cylinder; the four trapezoidal platforms are uniformly distributed on the same circumference of the third cylinder.

5. A radiant tube according to claim 4, characterized in that the outer side of the trapezoidal table is in contact with the inside of the outer tube.

6. A radiant tube according to claim 4, characterized in that a second cavity is connected to the rear part of the third cylinder; the second cavity is structurally a second semicircle with a fourth cylinder in the middle and symmetrical two sides; the diameter of the fourth cylinder is 96mm, and the height of the fourth cylinder is 40 mm; the diameter of the second semicircle is 43 mm; the height is 4 mm.

7. A heat transfer device, characterized by: comprising a radiant tube according to any preceding claim.