TWI637142B - Heat exchange tube construction - Google Patents

Abstract

A heat exchange tube structure for transferring heat generated by combustion of a burner, the heat exchange tube structure comprising a receiving body, an insert body, the insert body being disposed on the receiving body, the insert body comprising at least a third valve body, the valve body comprising a first arc plate and a second arc plate, the first arc plate extending toward the center of the receiving body and having a first arc angle, the second arc plate having a second The arc angle, the first arc plate, the second arc plate defines a flue. The insert thus forms a circular arc of baffle. The beneficial effects that can be produced by the invention are as follows: 1. Three valve bodies form a radial flue, and a stable heat-cooling exchange effect is achieved by radial conduction. 2. The first arc-like shape is arched, which makes the structure extremely rigid and can optimize the endurance to withstand thermal stress deformation. 3. The second arc plate is disposed between the two first arc plates, which can effectively split the flow and improve the acceleration efficiency of the hot and cold exchange. 4. The container body and the insert body can be a combination of different materials to enhance the practicality.

Description

Heat exchange tube construction

The invention relates to a heat exchange tube in the technical field of heat exchangers, in particular to a circular arc of Baffle, which can improve the heat-cooling exchange efficiency, optimize the structure and improve the physical properties.

Conventional heat exchange tube constructions include an inner insert and an outer container for receiving the inner insert. The inner insert has two semi-circular sectors coupled and then housed in an outer containment, each having a semi-circular cross section.

However, the above conventional heat exchange tubes have a problem of lowering the heat exchange efficiency, so there is a need to maximize the surface area of the inner insert, thereby expanding an area to contact the combustion gas of the burner.

Therefore, in order to solve the above problems, the present inventors have previously applied for a "heat exchange tube" of Taiwan Patent Application No. 103119444, which comprises: an insert body which is provided by folding three or more sectors, And formed by extrusion of aluminum; and a receiving body configured to receive the insert, such that an inner peripheral surface can contact an outer peripheral surface of the insert. By maximizing the surface area of an inner embedding body in the heat exchange tube to improve contact with the burner, for example, when the burner of the steam boiler is performed, the heat generated by the combustion is transferred to the exchange tube. The exterior has an improved effect.

Therefore, design one can improve the efficiency of hot and cold exchange, and optimize the structure and upgrade The heat exchange tubes of physical properties are required for the industry.

Therefore, the inventor's concept of continuous improvement and innovation based on products is based on the practical experience of designing and developing the product for many years, as well as actively researching and developing thinking, and through numerous practical design experiments, the invention has been produced.

The object of the present invention is to provide a circular arc of baffle by inserting a plurality of petals and a plurality of arc plates to improve heat-cooling exchange efficiency, optimize structure and improve physical properties. Heat exchange tube construction.

In order to achieve the above object, the heat exchange tube of the present invention is configured to transfer heat generated by combustion of a burner to the outside, the heat exchange tube structure comprising a receiving body, an insert body, wherein the insert body is disposed in the receiving body The body includes at least three petals, and the valve body includes a first arc plate and a second arc plate extending toward a center of the receiving body and having a first arc angle. The second arc plate has a second arc angle. The second arc plate is disposed between two adjacent first and second arc plates. The first arc plate and the second arc plate define a flue.

The insert thus forms a circular arc of baffle.

The beneficial benefits that can be produced by the present invention are:

1. The three petals form a radial flue, and the radial heat exchange effect is achieved by the radial conduction.

2. The first arc-like shape is arched, which makes the structure extremely rigid and can optimize the endurance to withstand thermal stress deformation.

3. The second arc plate is disposed between the two first arc plates, which can effectively split the flow and improve the acceleration efficiency of the hot and cold exchange.

4. The container body and the insert body can be a combination of different materials to enhance the practicality.

The following is a detailed description of the present invention and the detailed description of the various features and features of the present invention.

10‧‧‧ accommodating body

20‧‧‧Inlay

21‧‧‧ Valve body

211‧‧‧First arc plate

212‧‧‧second arc plate

213‧‧‧ third arc plate

30‧‧‧ flue

Figure 1 is a cross-sectional view of the present invention.

Fig. 2 is a schematic top view showing the construction of the inlay of the present invention.

Figure 3 is a top view of the valve body of the present invention.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the heat exchange tube structure of the present invention is configured to transfer heat generated by combustion of a burner to the outside. The preferred embodiment of the heat exchange tube structure includes a The receiving body 10 and an inlay 20 are provided. As shown in the following, the inlay 20 is disposed on the receiving body 10, and the insert 20 includes at least three petals 21, and the valve body 21 includes a first arc plate 211 and a second arc plate 212. An arc plate 211 extends toward the center of the receiving body 10 and has a first arc angle, the second arc plate 212 has a second arc angle, and the second arc plate 212 is disposed on two adjacent petals 21 Between the first arc plates 211, the first arc plate 211 and the second arc plate 212 define a flue 30.

In one embodiment, the insert 20 is formed by three sector-shaped flaps 21 each having a central angle of 120°.

In a structural embodiment, the second arc plate 212 of the embedded body 20 is extended from the first arc plate 211 for actively maximizing the surface area of the embedded body 20, thereby expanding one side. The combustion gas that contacts the burner and the rigidity of the structure optimize the endurance to withstand thermal stress deformation and produce an effective shunt.

In a structural embodiment, the first arc angle is greater than the second arc angle.

In a structural embodiment, the valve body 21 of the insert body 20 includes a third arc plate 213 having a third arc angle for actively maximizing the surface area of the insert body 20, and This expands an area to contact the combustion gases of the burner, and makes the structure extremely rigid, optimizes the endurance to withstand thermal stress deformation, and produces an effective shunt.

In a structural embodiment, the receiving body 10 and the insert 20 can be a combination of different materials to enhance the utility; for example, the receiving body 10 is stainless steel, and the insert 20 is a non-ferrous metal material such as a copper alloy or Aluminum alloy.

Referring to FIG. 1 and FIG. 2 , in a structural embodiment, the valve body 21 of the insert body 20 is disposed in front of the receiving body 10 in a separated shape, and the valve body 21 is mounted on the receiving body. After 10, the two sides of the valve body 21 are formed in abutting shape.

In a structural embodiment, the valve body 21 of the insert body 20 is connected by extrusion to form a single body, and after the insert body 20 is folded, the insert body 20 is disposed in the container body. 10.

The above is a description of the various components of the present invention and their composition, and then the use embodiments, features, and benefits of the present invention are as follows: Referring to Fig. 1, the insert 20 constitutes a circular arc of baffle.

The beneficial benefits that can be produced by the present invention are:

1. The three petals 21 form a radial flue, which is achieved by radial conduction Stable heat and cold exchange effect.

2. The first arc plate 211 is shaped like an arch, which makes the structure extremely rigid and can optimize the endurance to withstand thermal stress deformation.

3. The second arc plate 212 is disposed between the two first arc plates 211, which can effectively split the flow and improve the heat-cooling exchange acceleration efficiency.

4. The housing 10 and the insert 20 can be a combination of different materials to enhance the utility.

The above embodiments of the present invention are provided for convenience of explanation only. When the meaning of the case cannot be limited, the various transformation designs according to the scope of the listed patent application should be included in the patent scope of the present application.

Claims (9)

A heat exchange tube structure for transferring heat generated by combustion of a burner, the heat exchange tube structure comprising: a receiving body; an insert body disposed on the receiving body, the insert body comprising at least three a valve body, each of the petals includes a first arc plate and a second arc plate, and the first arc plate of each of the petals extends toward the center of the receiving body and has a first arc angle, and each of the petals The second arc plate of the body has a second arc angle, and the second arc plate of each of the petals is disposed between two adjacent first and second arc plates, and the first arc of each of the petals The plate, the second arc of each of the petals, together define a flue. The heat exchange tube construction according to claim 1, wherein the insert body is composed of three sector-shaped petals, each of the sector-shaped petals having a central angle of 120°. The heat exchange tube construction of claim 1, wherein the second arc of each of the inserts extends from the first arc of each of the petals. The heat exchange tube construction of claim 1, wherein the first arc angle of each of the petals is greater than the second arc angle of each of the petals. The heat exchange tube structure of claim 1, wherein each of the insert bodies comprises a third arc plate, and the third arc plate of each of the petals has a third arc angle. The heat exchange tube structure according to claim 1, wherein the container and the insert are a combination of different materials. The heat exchange tube structure according to claim 6, wherein the container is stainless steel, and the insert is a non-ferrous metal material. The heat exchange tube structure of claim 1, wherein each of the insert bodies is separated from the front of the receiving body, and after each of the petals is mounted on the receiving body, The two sides of each of the petals are formed in abutting shape. The heat exchange tube structure according to claim 1, wherein the insert system is formed by extruding a single body, and by folding the insert, the insert is It is provided in the receiving body.