U-shaped heat exchange tube type steam generator

Abstract

The utility model belongs to the technical field of heat exchange, and particularly relates to a steam generator. The utility model provides a U-shaped heat exchange tube type steam generator, which comprises a U-shaped heat exchange tube group, a U-shaped heat exchange tube group, a U-shaped heat exchange tube group, a U-shaped heat exchange tube group, a U-shaped heat exchange tube group, a U-shaped heat exchange tube group, a U-shaped heat exchange tube group and a U-shaped heat exchange tube group, a plurality of assembly holes are annularly formed in the inner ring wall of each heat dissipation fin, and a quick-release telescopic piece is arranged in each assembly hole; the quick-release telescopic pieces are inserted into the positioning holes so that the cooling fins can be connected with the straight pipe sections. According to the utility model, the quick-release telescopic piece is arranged, and the quick-release telescopic piece is inserted into or pulled out of the positioning hole so as to realize the connection or disconnection between the straight pipe section and the radiating fins, so that the problem that the pipe body and the radiating fins cannot be independently dismounted and repaired is solved, the part with complete functions can be continuously used, and the waste of resources is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heat exchange technical field, especially related to steam generator, especially related to U-shaped heat exchange pipe type steam generator. BACKGROUND

[0002] The clean steam generator is a kind of equipment that can generate high-purity steam, and is widely used in pharmaceutical, food, beverage and other industries, and its development prospect is very broad, and using clean steam can reduce the pollution and damage caused by impurity deposition of equipment, and prolong the service life of equipment.

[0003] In the related art, in order to improve the heat exchange efficiency in the limited space, the U-shaped heat exchange pipe structure is adopted, but the heat dissipation fins and the pipe body in the U-shaped heat exchange pipe structure are usually designed integrally, or the heat dissipation fins and the pipe body are connected by welding technology, so that when the pipe body fails or part of the heat dissipation fins ages, the unusable part cannot be individually repaired or replaced, thereby causing waste of resources.

[0004] Therefore, how to solve the technical problem that the components in the heat dissipation pipe cannot be individually repaired is an urgent problem in the field.

[0005] It should be noted that the above information disclosed in the background art section of the present application is only used to understand the background art of the present application, and therefore, the above description is not considered to constitute information of the prior art. CONTENT OF THE UTILITY MODEL

[0006] The embodiments of the present application at least provide a U-shaped heat exchange pipe type steam generator to solve the technical problem of how to individually repair the components in the heat dissipation pipe.

[0007] In a first aspect, the embodiments of the present application provide a U-shaped heat exchange pipe type steam generator, comprising: a U-shaped heat exchange pipe group, comprising: at least one straight pipe section, a plurality of positioning holes are arranged on the outer wall of the straight pipe section; a heat dissipation fin, a plurality of assembly holes are arranged on the inner circle wall of the heat dissipation fin, and a quick-release telescopic piece is arranged in each assembly hole; wherein the quick-release telescopic piece is inserted into the positioning hole to connect the heat dissipation fin and the straight pipe section.

[0008] In an optional embodiment, the quick-release telescopic piece comprises: a spring one located in the assembly hole, one end of the spring one is connected with the bottom of the assembly hole, and the other end is connected with a connecting column, when the spring one is in a natural state, the free end of the connecting column is inserted into the positioning hole to connect the heat dissipation fin and the straight pipe section.

[0009] In an optional embodiment, a gap is formed on one side of the assembly hole; the side wall of the connecting column is provided with a quick-release key which is slidably adapted along the length direction of the gap; the quick-release key is retracted to drive the connecting column to retract into the assembly hole, so that the free end of the connecting column is separated from the positioning hole.

[0010] In an alternative embodiment, at least one bevel is provided on the end of the quick release key away from the connecting post.

[0011] In an alternative embodiment, the quick release telescopic piece comprises a short pin located in the assembly hole, the surface of which is provided with a threaded groove; a swivel ring is provided on the short pin by a threaded strip on the inner wall cooperating with the threaded groove, the outer wall of the swivel ring abutting the inner wall of the assembly hole; wherein the swivel ring is adapted to drive the short pin to move along the threaded groove and extend into the positioning hole, so that the heat dissipation fin is connected with the straight pipe section.

[0012] In an alternative embodiment, a through hole is provided on the assembly hole; a push block adapted to the through hole is provided on the outer wall of the swivel ring; one end of the push block extends to the outside of the heat dissipation fin through the through hole; wherein the push block moves along the extension direction of the through hole to drive the swivel ring to rotate.

[0013] In another aspect, the utility model also provides a U-shaped heat exchange pipe type steam generator, comprising: at least one straight pipe section, a heat dissipation fin and a pipe section for connecting adjacent straight pipe sections; the outer wall of the straight pipe section is provided with a plurality of positioning holes in a ring shape and uniformly distributed; a plurality of assembly holes are provided in a ring shape on the inner wall of the heat dissipation fin, and a quick release telescopic piece is arranged in each assembly hole; wherein the quick release telescopic piece is inserted into the positioning hole to connect the heat dissipation fin with the straight pipe section.

[0014] In an alternative embodiment, the straight pipe section is provided with heat dissipation fins at equal intervals, and the outer contour of the heat dissipation fin is circular or polygonal.

[0015] In an alternative embodiment, a plurality of concave bevels are provided on both sides of the heat dissipation fin; the plurality of concave bevels between adjacent heat dissipation fins form an airflow channel, and the airflow channel is in a closed shape.

[0016] In an alternative embodiment, the quick release telescopic piece comprises a spring one located in the assembly hole, one end of which is connected with the bottom of the assembly hole, and the other end is connected with a connecting post; when the spring one is in a natural state, the free end of the connecting post is inserted into the positioning hole to connect the heat dissipation fin with the straight pipe section; a gap is provided on one side of the assembly hole; the side wall of the connecting post is provided with a quick release key slidingly adapted along the length direction of the gap; the quick release key is retracted to drive the connecting post to retract into the assembly hole, so that the free end of the connecting post is separated from the positioning hole.

[0017] In an alternative embodiment, the quick-release telescopic part comprises a short pin with a threaded groove on its surface, a swivel ring arranged on the short pin by a threaded strip on its inner wall cooperating with the threaded groove, and an outer wall of the swivel ring abutting against an inner wall of the assembly hole; the swivel ring is adapted to drive the short pin to move along the threaded groove and extend into the positioning hole to connect the straight pipe section with the heat dissipation fins; a through hole is arranged on the assembly hole; a poking block adapted to the through hole is arranged on the outer wall of the swivel ring; one end of the poking block extends to the outside of the heat dissipation fins through the through hole; and the poking block is moved along the extending direction of the through hole to drive the swivel ring to rotate.

[0018] The U-shaped heat exchange pipe type steam generator has the advantages that the quick-release telescopic part is inserted into or pulled out of the positioning hole to realize the connection or disassembly between the straight pipe section and the heat dissipation fins, the problem that the pipe body and the heat dissipation fins cannot be separately disassembled and repaired is solved, the part with complete functions can be continuously used, and the waste of resources is avoided.

[0019] Other features and advantages of the present application will be described in the following description and, in part, will become apparent to those skilled in the art upon examination of the following or can be learned from practice of the present application. The purposes and other advantages of the present application can be realized and attained by the structure particularly pointed out in the written description and the drawings.

[0020] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the preferred embodiments are described in detail below, and the detailed description is made below with the help of the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 An internal perspective view of the U-shaped heat exchange pipe type steam generator provided by the embodiments of the present disclosure is shown in FIG. 1;

[0023] Figure 2 A partial perspective view of the connection between the straight pipe section and the heat dissipation fins provided by the first embodiment and the third embodiment of the present disclosure is shown in FIG. 2;

[0024] Figure 3 A partial perspective view of the connection between the heat dissipation fins and the quick-release telescopic part provided by the first embodiment and the third embodiment of the present disclosure is shown in FIG. 3;

[0025] Figure 4 A perspective view of the quick-release telescopic part provided by the first embodiment and the third embodiment of the present disclosure is shown in FIG. 4;

[0026] Figure 5 A partial perspective view of the connection between the heat dissipation fins and the quick-release telescopic component provided in Embodiments 2 and 4 of this disclosure;

[0027] Figure 6 This is a perspective view of the quick-release telescopic component provided in Embodiments 2 and 4 of this disclosure.

[0028] In the picture:

[0029] 1. U-shaped heat exchanger tube assembly;

[0030] 2. Straight pipe section; 21. Positioning hole;

[0031] 3. U-shaped pipe section;

[0032] 4. Heat dissipation fins; 41. Assembly holes; 42a. Notch; 42b. Through hole; 43. Concave bevel;

[0033] 5. Quick-release telescopic component; 51a. Connecting post; 52a. Spring 1; 53a. Quick-release key; 54a. Beveled surface; 55a. Free end; 51b. Rotary ring; 52b. Short pin; 53b. Threaded groove; 54b. Altering block; 55b. Threaded strip;

[0034] 6. Airflow channel. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0036] In this document, when it is mentioned that a first component is located on a second component, this can mean that the first component can be directly formed on the second component, or that a third component can be inserted between the first and second components. Furthermore, in the accompanying drawings, the thickness of components may be exaggerated or reduced for the purpose of effectively describing the technical content.

[0037] In this document, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as “at least one of…” modify the entire list of elements when following a list of elements, rather than individual elements in the list. For example, the expression “at least one of a, b, and c” should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0038] The terminology used herein is for the purpose of describing specific exemplary configurations only and is not intended to be limiting. As used herein, the singular articles “a,” “an,” and “the” may also be intended to include plural forms unless otherwise clearly stated herein. The terms “comprising,” “including,” and “having” are inclusive and thus specify the presence of features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein should not be construed as requiring them to be performed in the specific order discussed or shown, unless specifically identified as such. Additional or alternative steps may be employed.

[0039] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.

[0040] Research has revealed the following drawbacks of existing technologies: In related technologies, steam generators employ U-shaped heat exchange tube structures to improve heat exchange efficiency within a limited space. However, the heat dissipation fins and tube bodies in the U-shaped heat exchange tube structure are often designed as a single unit, or connected by welding. This makes it impossible to individually repair or replace unusable parts when the tube body malfunctions or some heat dissipation fins age, resulting in a waste of resources.

[0041] Therefore, how to solve the problem that components in heat pipes cannot be disassembled and repaired individually is a technical problem that urgently needs to be solved in this field.

[0042] The shortcomings of the above solutions are the result of the utility model inventor's practice and careful research. Therefore, the discovery process of the above problems and the solutions proposed in this disclosure should be considered as contributions made by the utility model inventor to this disclosure.

[0043] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0044] The following detailed description, with reference to the accompanying drawings, describes some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0045] Example 1, as Figures 1 to 4 As shown, this utility model provides a U-shaped heat exchange tube type steam generator, including: a U-shaped heat exchange tube assembly 1, including: at least one straight pipe section 2, the outer wall of the straight pipe section 2 is provided with a plurality of positioning holes 21 evenly distributed; a plurality of heat dissipation fins 4, the inner wall of which is provided with a plurality of assembly holes 41, and each assembly hole 41 is provided with a quick-release telescopic component 5; wherein, the quick-release telescopic component 5 is inserted into the positioning hole 21 to connect the heat dissipation fins 4 with the straight pipe section 2, and the heat dissipation fins 4 are sleeved on the straight pipe section 2 at equal intervals through the quick-release telescopic component 5.

[0046] Please refer to 2 to Figure 4 The quick-release telescopic component 5 includes: a spring 52a located in the assembly hole 41, one end of which is connected to the bottom of the assembly hole 41 and the other end is connected to a connecting post 51a. When the spring 52a is in its natural state, the free end 55a of the connecting post 51a is inserted into the positioning hole 21 so that the heat dissipation fins 4 are connected to the straight pipe section 2. When the spring 52a is not subjected to external force, it pushes part of the connecting post 51a to the outside of the assembly hole 41. When the spring 52a is subjected to compressive force, its whole and the connecting post 51a move into the assembly hole 41.

[0047] Please refer to 2 to Figure 4 A notch 42a is provided on one side of the assembly hole 41; a quick-release key 53a is provided on the side wall of the connecting post 51a, which slides along the length of the notch 42a; the quick-release key 53a can slide along the notch 42a. Specifically, the quick-release key 53a retracts to retract the connecting post 51a into the assembly hole 41, so that the free end 55a of the connecting post 51a disengages from the positioning hole 21. The end of the quick-release key 53a away from the connecting post 51a is provided with at least one beveled surface 54a, which facilitates the operator to push or pull the quick-release key 53a, increasing operating comfort.

[0048] Example 2, as Figures 1 to 2 and Figures 5 to 6 As shown, this utility model provides a U-shaped heat exchange tube type steam generator, including: a U-shaped heat exchange tube assembly 1, which includes: at least one straight pipe section 2, the outer wall of the straight pipe section 2 is provided with a plurality of positioning holes 21 evenly distributed; a plurality of heat dissipation fins 4, the inner wall of which is provided with a plurality of assembly holes 41, and each assembly hole 41 is provided with a quick-release telescopic component 5; wherein, the quick-release telescopic component 5 is inserted into the positioning hole 21 to connect the heat dissipation fins 4 with the straight pipe section 2, and the heat dissipation fins 4 are sleeved on the straight pipe section 2 at equal intervals through the quick-release telescopic component 5.

[0049] Please see Figure 1 and combinedFigure 5 and Figure 6 The quick-release telescopic component 5 includes: a short pin 52b located in the assembly hole 41, with a threaded groove 53b on its surface; and a rotating ring 51b, which is fitted onto the short pin 52b by a threaded strip 55b on its inner wall and the threaded groove 53b. Specifically, when the rotating ring 51b rotates, the short pin 52b also rotates and moves forward or backward along the assembly hole 41, that is, it extends out of the assembly hole 41 or is completely hidden in the assembly hole 41. The outer wall of the rotating ring 51b abuts against the inner wall of the assembly hole 41. The rotating ring 51b is adapted to drive the short pin 52b to move along the threaded groove 53b and extend into the positioning hole 21 so that the heat dissipation fins 4 are connected to the straight pipe section 2.

[0050] Please continue reading. Figure 5 and combined Figure 6 The mounting hole 41 is provided with a through hole 42b; the outer wall of the rotating ring 51b is provided with a lever 54b adapted to the through hole 42b. The main function of the lever 54b is to drive the rotating ring 51b to rotate; one end of the lever 54b passes through the through hole 42b and extends to the outside of the heat dissipation fin 4; wherein, the lever 54b moves along the extension direction of the through hole 42b to drive the rotating ring 51b to rotate. Specifically, by moving the lever 54b along the width direction of the through hole 42b, the lever 54b will drive the rotating ring 51b to rotate. The rotation of the rotating ring 51b will cause the short pin 52b to move forward or backward, so as to achieve the effect of connecting the heat dissipation fin 4 and the straight pipe section 2.

[0051] Example 3, as Figures 1 to 4 As shown, this utility model provides a U-shaped heat exchange tube type steam generator, characterized in that it includes: at least one straight pipe section 2, heat dissipation fins 4, and a U-shaped pipe section 3 for connecting adjacent straight pipe sections 2; the outer wall of the straight pipe section 2 is provided with a plurality of positioning holes 21 evenly distributed around it; the inner wall of the heat dissipation fins 4 is provided with a plurality of assembly holes 41, and each assembly hole 41 is provided with a quick-release telescopic component 5; wherein, the quick-release telescopic component 5 is inserted into the positioning hole 21 to connect the heat dissipation fins 4 with the straight pipe section 2.

[0052] like Figures 1 to 2 As shown, the straight pipe section 2 is provided with equally spaced heat dissipation fins 4, and the outer contour of the heat dissipation fins 4 is circular or polygonal. Multiple concave inclined surfaces 43 are provided on both sides of the heat dissipation fins 4; the multiple concave inclined surfaces 43 between adjacent heat dissipation fins 4 form airflow channels 6. The airflow channels 6 are constricted, and the constricted airflow channels 6 increase the contact area between the airflow and the straight heat dissipation fins 4, which can remove more heat and improve heat exchange efficiency.

[0053] Please refer to 2 to Figure 4The quick-release telescopic component 5 includes: a spring 52a located in the assembly hole 41, one end of which is connected to the bottom of the assembly hole 41 and the other end is connected to a connecting post 51a. When the spring 52a is in its natural state, the free end 55a of the connecting post 51a is inserted into the positioning hole 21 so that the heat dissipation fins 4 are connected to the straight pipe section 2. When the spring 52a is not subjected to external force, it pushes part of the connecting post 51a to the outside of the assembly hole 41. When the spring 52a is subjected to compressive force, its whole and the connecting post 51a move into the assembly hole 41.

[0054] Please refer to 2 to Figure 4 A notch 42a is provided on one side of the assembly hole 41; a quick-release key 53a is provided on the side wall of the connecting post 51a, which slides along the length of the notch 42a; the quick-release key 53a can slide along the notch 42a. Specifically, the quick-release key 53a retracts to retract the connecting post 51a into the assembly hole 41, so that the free end 55a of the connecting post 51a disengages from the positioning hole 21. The end of the quick-release key 53a away from the connecting post 51a is provided with at least one beveled surface 54a, which facilitates the operator to push or pull the quick-release key 53a, increasing operating comfort.

[0055] Example 4, as Figures 1 to 2 and Figures 5 to 6 As shown, this utility model provides a U-shaped heat exchange tube type steam generator, characterized in that it includes: at least one straight pipe section 2, heat dissipation fins 4, and a U-shaped pipe section 3 for connecting adjacent straight pipe sections 2; the outer wall of the straight pipe section 2 is provided with a plurality of positioning holes 21 evenly distributed around it; the inner wall of the heat dissipation fins 4 is provided with a plurality of assembly holes 41, and each assembly hole 41 is provided with a quick-release telescopic component 5; wherein, the quick-release telescopic component 5 is inserted into the positioning hole 21 to connect the heat dissipation fins 4 with the straight pipe section 2.

[0056] like Figures 1 to 2 As shown, the straight pipe section 2 is provided with equally spaced heat dissipation fins 4, and the outer contour of the heat dissipation fins 4 is circular or polygonal. Multiple concave inclined surfaces 43 are provided on both sides of the heat dissipation fins 4; the multiple concave inclined surfaces 43 between adjacent heat dissipation fins 4 form airflow channels 6. The airflow channels 6 are constricted, and the constricted airflow channels 6 increase the contact area between the airflow and the straight heat dissipation fins 4, which can remove more heat and improve heat exchange efficiency.

[0057] Please see Figure 1 and combined Figure 5 and Figure 6The quick-release telescopic component 5 includes: a short pin 52b located in the assembly hole 41, with a threaded groove 53b on its surface; and a rotating ring 51b, which is fitted onto the short pin 52b by a threaded strip 55b on its inner wall and the threaded groove 53b. Specifically, when the rotating ring 51b rotates, the short pin 52b also rotates and moves forward or backward along the assembly hole 41, that is, it extends out of the assembly hole 41 or is completely hidden in the assembly hole 41. The outer wall of the rotating ring 51b abuts against the inner wall of the assembly hole 41. The rotating ring 51b is adapted to drive the short pin 52b to move along the threaded groove 53b and extend into the positioning hole 21 so that the heat dissipation fins 4 are connected to the straight pipe section 2.

[0058] Please continue reading. Figure 5 and combined Figure 6 The mounting hole 41 is provided with a through hole 42b; the outer wall of the rotating ring 51b is provided with a lever 54b adapted to the through hole 42b. The main function of the lever 54b is to drive the rotating ring 51b to rotate; one end of the lever 54b passes through the through hole 42b and extends to the outside of the heat dissipation fin 4; wherein, the lever 54b moves along the extension direction of the through hole 42b to drive the rotating ring 51b to rotate. Specifically, by moving the lever 54b along the width direction of the through hole 42b, the lever 54b will drive the rotating ring 51b to rotate. The rotation of the rotating ring 51b will cause the short pin 52b to move forward or backward, so as to achieve the effect of connecting the heat dissipation fin 4 and the straight pipe section 2.

[0059] In summary, by setting up the quick-release telescopic component 5, the connection or separation between the straight pipe section 2 and the heat dissipation fins 4 can be achieved by inserting or pulling the quick-release telescopic component 5 into or out of the positioning hole 21. This solves the problem of not being able to disassemble and repair the pipe body and the heat dissipation fins 4 separately, allowing the functional parts to continue to be used and avoiding waste of resources.

[0060] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0061] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence unless expressly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed above may be referred to as the second element, component, region, layer, or segment.

[0062] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A U-shaped heat exchange tube type steam generator, characterized in that, include: U-shaped heat exchanger tube assembly (1) includes: At least one straight pipe section (2), the outer wall of which is provided with a plurality of positioning holes (21) evenly distributed. The heat dissipation fins (4) have several mounting holes (41) on their inner ring wall, and each mounting hole (41) is provided with a quick-release telescopic component (5). The quick-release telescopic component (5) is inserted into the positioning hole (21) to connect the heat dissipation fins (4) with the straight pipe section (2).

2. The U-shaped heat exchange tube steam generator as described in claim 1, characterized in that, The quick-release telescopic component (5) includes: A spring (52a) located inside the assembly hole (41) has one end connected to the bottom of the assembly hole (41) and the other end connected to a connecting post (51a). When the spring (52a) is in its natural state, the free end (55a) of the connecting post (51a) is inserted into the positioning hole (21) so that the heat dissipation fins (4) are connected to the straight pipe section (2).

3. The U-shaped heat exchange tube steam generator as described in claim 2, characterized in that, A notch (42a) is provided on one side of the assembly hole (41). The side wall of the connecting post (51a) is provided with a quick-release key (53a) that slides along the length direction of the notch (42a). The quick-release key (53a) retracts to retract the connecting post (51a) into the assembly hole (41), so that the free end (55a) of the connecting post (51a) disengages from the positioning hole (21).

4. The U-shaped heat exchange tube steam generator as described in claim 3, characterized in that, The quick-release key (53a) has at least one beveled surface (54a) at the end away from the connecting post (51a).

5. The U-shaped heat exchange tube steam generator as described in claim 1, characterized in that, The quick-release telescopic component (5) includes: The short pin (52b) located in the assembly hole (41) has a threaded groove (53b) on its surface; The swivel (51b) is fitted on the short pin (52b) through the threaded strip (55b) on its inner wall and the threaded groove (53b). The outer wall of the swivel (51b) abuts against the inner wall of the assembly hole (41). The swivel (51b) is adapted to drive the short pin (52b) to move along the threaded groove (53b) and extend into the positioning hole (21) so that the heat dissipation fins (4) are connected to the straight pipe section (2).

6. The U-shaped heat exchange tube steam generator as described in claim 5, characterized in that, The assembly hole (41) is provided with a through hole (42b). The outer wall of the rotating ring (51b) is provided with a lever (54b) that is adapted to the through hole (42b). One end of the pusher (54b) extends through the through hole (42b) to the outside of the heat dissipation fins (4); The pusher (54b) moves along the extension direction of the through hole (42b) to drive the rotating ring (51b) to rotate.

7. A U-shaped heat exchange tube type steam generator, characterized in that, include: At least one straight pipe section (2), heat dissipation fins (4) and a U-shaped pipe section (3) for connecting adjacent straight pipe sections (2); The outer wall of the straight pipe section (2) is provided with a number of positioning holes (21) evenly distributed around it. The inner ring wall of the heat dissipation fins (4) is provided with a number of assembly holes (41), and each assembly hole (41) is provided with a quick-release telescopic component (5). The quick-release telescopic component (5) is inserted into the positioning hole (21) to connect the heat dissipation fins (4) with the straight pipe section (2).

8. The steam generator as described in claim 6, characterized in that, The straight pipe section (2) is provided with equally spaced heat dissipation fins (4), and the outer contour of the heat dissipation fins (4) is circular or polygonal.

9. The steam generator as described in claim 7, characterized in that, The heat dissipation fins (4) are provided with multiple concave inclined surfaces (43) on both sides. Multiple concave inclined surfaces (43) between adjacent heat dissipation fins (4) form airflow channels (6), which are constricted.

10. The steam generator as claimed in claim 8, characterized in that, The quick-release telescopic component (5) includes: A spring (52a) located inside the assembly hole (41) has one end connected to the bottom of the assembly hole (41) and the other end connected to a connecting post (51a). When the spring (52a) is in its natural state, the free end (55a) of the connecting post (51a) is inserted into the positioning hole (21) so that the heat dissipation fins (4) are connected to the straight pipe section (2); A notch (42a) is provided on one side of the assembly hole (41). The side wall of the connecting post (51a) is provided with a quick-release key (53a) that slides along the length direction of the notch (42a). The quick-release key (53a) retracts to retract the connecting post (51a) into the assembly hole (41), so that the free end (55a) of the connecting post (51a) disengages from the positioning hole (21).

11. The steam generator as claimed in claim 8, characterized in that, The quick-release telescopic component (5) includes: The short pin (52b) located in the assembly hole (41) has a threaded groove (53b) on its surface; The swivel (51b) is fitted on the short pin (52b) through the threaded strip (55b) on its inner wall and the threaded groove (53b). The outer wall of the swivel (51b) abuts against the inner wall of the assembly hole (41). The swivel (51b) is adapted to drive the short pin (52b) to move along the threaded groove (53b) and extend into the positioning hole (21) so that the heat dissipation fins (4) are connected to the straight pipe section (2); The assembly hole (41) is provided with a through hole (42b). The outer wall of the rotating ring (51b) is provided with a lever (54b) that is adapted to the through hole (42b). One end of the pusher (54b) extends through the through hole (42b) to the outside of the heat dissipation fins (4); The pusher (54b) moves along the extension direction of the through hole (42b) to drive the rotating ring (51b) to rotate.

Images