CN210292952U

CN210292952U - Wing type radiant tube

Info

Publication number: CN210292952U
Application number: CN201920987574.0U
Authority: CN
Inventors: 王洪武
Original assignee: Enoughsave Liaoning Co ltd
Current assignee: Enoughsave Liaoning Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-10
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a wing type radiant tube, which is characterized in that a plurality of first wing plates and second wing plates which are alternately arranged at intervals are arranged in a cylindrical cavity of a tube body, so that the contact area between the radiant tube and smoke discharged from the tube body is increased, the radiant area is increased, the latent heat of vaporization in the smoke discharged from the smoke is fully utilized, the overall thermal efficiency is improved, and the utilization rate of heat is improved; the wing type radiant tube has the advantages of simple structure, reasonable design, high radiation efficiency and heat utilization rate and the like.

Description

Wing type radiant tube

Technical Field

The utility model discloses a technical field of equipment for the radiant heating system especially relates to a wing formula radiant tube.

Background

At present, all gas radiant tubes used in the gas radiant heating market are radiant spiral tubes, the radiant spiral tubes are made of aluminized steel, and the thickness of a steel plate is 0.6 mm.

Due to the thin steel plate, in order to increase the strength of the radiation spiral pipe, a special device is needed to form a spiral reinforcing rib with the height of 3mm and the width of 5mm on the outer surface of the pipeline in the manufacturing process. The inner wall of the radiant tube is provided with the spiral diversion trench, when hot air flows in the pipeline, the hot air is promoted to advance in a spiral twisting mode due to the action of the spiral diversion trench, a pneumatic effect is formed, and the advancing resistance is reduced. The radiation of the spiral pipe is only carried out by the radiation pipe wall, the radiation effect is poor, the temperature drops quickly, and the temperature gradients at the two ends of the spiral pipe are large under the condition of equal distance adjustment, so that the heat utilization rate is low.

Therefore, how to develop a new type of radiant tube to solve the above problems becomes a problem to be solved by people.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a wing formula radiant tube to solve the radiation effect that current radiation spiral pipe exists at least and be poor, the temperature drop is fast and heat utilization rate hangs down the scheduling problem.

The utility model provides a technical scheme specifically does, a wing formula radiant tube, this radiant tube includes: the device comprises a pipe body, a plurality of first wing plates and a plurality of second wing plates;

a columnar cavity penetrating through the two ends is arranged in the tube body;

a plurality of first pterygoid lamina and a plurality of second pterygoid lamina all is located in the column cavity of body, first pterygoid lamina with the second pterygoid lamina respectively along the radial interval in turn of column cavity sets up, every first pterygoid lamina and every the second pterygoid lamina all has stiff end and free end, every the stiff end of first pterygoid lamina all with one side lateral wall fixed connection of column cavity, every the stiff end of second pterygoid lamina all with the opposite side lateral wall fixed connection of column cavity.

Preferably, the first wing plate and the second wing plate are alternately arranged in parallel.

Further preferably, the pipe body is a silicon aluminum alloy pipe.

Preferably, a plurality of first water chutes are formed in the upper surface of each first wing plate at intervals in the width direction, and each first water chute extends along the length direction of the first wing plate.

Preferably, a plurality of second chutes are formed in the upper surface of each second wing plate at intervals in the width direction, and each second chute extends along the length direction of the second wing plate.

The utility model provides a wing formula radiant tube, through first pterygoid lamina and the second pterygoid lamina of installing a plurality of interval settings in turn in the cylindricality cavity of body, and then increase and the body in the area of contact between the exhaust fume gas, improve radiating area to make full use of the latent heat of vaporization in the exhaust fume gas, improve whole thermal efficiency, improve thermal utilization ratio.

The utility model provides a wing formula radiant tube has advantages such as simple structure, reasonable in design, radiant efficiency and heat utilization rate height.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a wing-type radiant tube according to an embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.

In order to solve the problems of poor radiation effect, fast temperature drop, low heat utilization rate and the like of the existing radiation spiral tube, the embodiment provides a wing type radiation tube, and referring to figure 1, the wing type radiant tube mainly comprises a tube body 1, a plurality of first wing plates 2 and a plurality of second wing plates 3, wherein, a column-shaped cavity 11 which runs through the two ends is arranged in the tube body 1, the first wing plate 2 and the second wing plate 3 are both positioned in the column-shaped cavity 11 of the tube body 1, the first wing plates 2 and the second wing plates 3 are alternately arranged along the radial direction of the cylindrical cavity 11, each of the first wing plates 2 and each of the second wing plates 3 has a fixed end and a free end, and the fixed end of each first wing plate 2 is fixedly connected with the side wall of one side of the column-shaped cavity 11, and the fixed end of each second wing plate 3 is fixedly connected with the side wall of the other side of the column-shaped cavity 11.

When above-mentioned wing formula radiant tube used, the flue gas of discharging fume gets into from the one end of radiant tube, moves along the column type cavity 11 in the body 1, and the in-process that the flue gas of discharging fume marchs in column type cavity 11 can contact with first pterygoid lamina 2 and second pterygoid lamina 3, and then make full use of the latent heat of vaporization of the flue gas of discharging fume to improve thermal utilization ratio, increase radiant efficiency.

According to the formula of radiation efficiency:

wherein n is radiation efficiency (%), C is radiation coefficient, and A is radiation area (m)²) T is the radiant surface temperature (K), V is the gas quantity (m)³And/h) and Qr are the heat value of the fuel gas.

Therefore, in the above embodiment, by additionally providing the first wing plate and the second wing plate, the radiation area can be increased, and the radiation efficiency can be effectively improved under the condition that other parameters are not changed.

For the convenience of processing, as a modification of the technical solution, referring to fig. 1, the first wing plate 2 and the second wing plate 3 are alternately arranged in parallel.

According to the radiation efficiency formula, in order to further improve the radiation efficiency of the radiation tube, the tube body 1 is preferably a silicon-aluminum alloy tube, the tube 1 is processed by a one-step forming process, and is high-temperature resistant, corrosion resistant and not easy to deform, the silicon-aluminum alloy has the highest infrared radiation efficiency among various materials, and the radiation efficiency can be further improved.

Considering that under some working conditions, the smoke discharged from the smoke discharging device contains steam, and during the process of the smoke running in the columnar cavity 11 of the pipe body 1, the steam is condensed into small water drops due to temperature reduction, so as to facilitate the liquid water in the pipe body 1 to be led out, as an improvement of the technical scheme, referring to fig. 1, a plurality of first water chutes 21 are arranged on the upper surface of each first wing plate 2 at intervals along the width direction, and each first water chute 21 extends along the length direction of the first wing plate 2; every second wing 3's upper surface is provided with a plurality of second guiding gutters 31 along the equal interval of width direction, and every second guiding gutter 31 all extends along the length direction of second wing 3, through the design of above-mentioned first guiding gutter 21 and second guiding gutter 31, can lead out the liquid water in the body 1 smoothly, avoids liquid water to deposit in body 1 for a long time, leads to easily rusty scheduling problem to prolong the life of body 1.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A finned radiant tube comprising: the device comprises a pipe body (1), a plurality of first wing plates (2) and a plurality of second wing plates (3);

a columnar cavity (11) penetrating through two ends is arranged in the pipe body (1);

a plurality of first pterygoid lamina (2) and a plurality of second pterygoid lamina (3) all are located in column type cavity (11) of body (1), first pterygoid lamina (2) with second pterygoid lamina (3) respectively along the radial interval in turn of column type cavity (11) sets up, every first pterygoid lamina (2) and every second pterygoid lamina (3) all have stiff end and free end, and every the stiff end of first pterygoid lamina (2) all with one side lateral wall fixed connection of column type cavity (11), every the stiff end of second pterygoid lamina (3) all with the opposite side lateral wall fixed connection of column type cavity (11).

2. The finned radiant tube according to claim 1, characterized in that said first (2) and said second (3) fins are arranged alternately in parallel.

3. The finned radiant tube according to claim 1, characterized in that the tube body (1) is a tube of silicon aluminum alloy.

4. The finned radiant tube according to claim 1, characterized in that a plurality of first water chutes (21) are arranged on the upper surface of each first wing plate (2) at intervals along the width direction, and each first water chute (21) extends along the length direction of the first wing plate (2).

5. The finned radiant tube according to claim 1, characterized in that a plurality of second water chutes (31) are arranged on the upper surface of each second wing plate (3) at intervals along the width direction, and each second water chute (31) extends along the length direction of the second wing plate (3).