Corrugated tube for semi-displacement heat exchanger

Abstract

The utility model discloses a corrugated tube for a semi-displacement heat exchanger, which comprises an end plate, a first elbow is arranged at the right end of a first corrugated tube and the right end of a second corrugated tube, the outer side of the first elbow is spirally connected with a connecting piece, a second elbow is arranged at the left end of the second corrugated tube, and the second elbow is spirally connected with the connecting piece. Diffusion sheets are installed on the outer side of the first corrugated pipe and the outer side of the second corrugated pipe, the diffusion sheets are fixedly installed on the outer side of the first corrugated pipe and the outer side of the second corrugated pipe, a first bent pipe is installed at the right end of the first corrugated pipe and the right end of the second corrugated pipe and installed through a connecting piece in a screwing mode, and a second bent pipe is installed at the left end of the second corrugated pipe and installed through a connecting piece in a screwing mode. Compared with a U-shaped heat exchange tube, the device has the advantages that the length is increased, the diffusion sheets are mounted on the outer sides of the corrugated tubes, the heat exchange efficiency in the length and the contact area is improved, and the heat exchange space is fully utilized.

Description

Technical Field

[0001] The utility model relates to the technical field of processing a heat exchanger corrugated tube, in particular to a corrugated tube used for a semi-volumetric heat exchanger. Background Art

[0002] Semi-volumetric heat exchanger is a heat exchange equipment that combines the characteristics of shell-side and tube-side heat exchange. It is usually used in heating, cooling, evaporation and condensation processes. The corrugated tube is a high-efficiency heat transfer element in this heat exchanger. It optimizes heat exchange performance through its unique structure and shape.

[0003] The basic structure of the corrugated tube is to process a series of semicircular or full-circular protrusions on the metal tube wall to form a wave-like shape, which is called a corrugated tube. The main function of the corrugated tube in the semi-volumetric heat exchanger is to increase the turbulence of the fluid in the tube, improve the heat transfer coefficient, and help remove sediments in the fluid through the vibration of the corrugated structure, thereby maintaining the long-term efficient operation of the heat exchanger.

[0004] The patent with publication number CN 213778753 U discloses a corrugated tube for a semi-volumetric heat exchanger, which relates to the technical field of the main components of the heat exchanger, and includes a tube body and a U-shaped tube, the U-shaped tube is detachably arranged at one end of the tube body, and a detachable tube head is arranged at the other end of the tube body, the outer peripheral wall of the tube head is provided with an external thread, a connecting piece is arranged on the sliding sleeve outside the tube body, an internal thread is arranged on the inner wall of the connecting piece, the connecting piece is threadedly matched with the tube head, and a clamping assembly is arranged between the connecting piece and the tube body. The present application can realize the flexible replacement and assembly of the various components of the corrugated tube, and reduce the replacement cost of the corrugated tube.

[0005] Although the corrugated tube of the semi-volumetric heat exchanger is provided with spherical or elliptical corrugations, so that the water flow in the heat exchange tube continuously forms vortices, and the heat exchange efficiency is greatly improved, there is no heat dissipation film outside the corrugated heat exchange tube, and the corrugated tube in the above device adopts a U-shaped design, which makes the heat exchange tube short and the heat exchange is not sufficient, and there is still a large heat exchange space that is not fully utilized.

[0006] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0007] In view of the problems in the related art, the utility model proposes a corrugated tube for a semi-volumetric heat exchanger to overcome the above technical problems existing in the existing related art.

[0008] To this end, the specific technical solutions adopted by the utility model are as follows:

[0009] A corrugated tube for a semi-volumetric heat exchanger comprises an end plate, a first corrugated tube is installed on the right side of the end plate, a first elbow is provided at the right end of the first corrugated tube, a second corrugated tube is provided on the inner side of the upper and lower first corrugated tubes, a first elbow is provided at the right end of the first and second corrugated tubes, a connecting piece is spirally connected to the outer side of the first elbow, a second elbow is installed at the left end of the second corrugated tube, diffusion sheets are installed on the outer sides of the first and second corrugated tubes, and support pieces are provided on the outer sides of the first and second corrugated tubes.

[0010] As a further solution of the utility model, an outer side of the left end of the first corrugated tube is provided with an external thread, and the end plate is fixedly connected to the first corrugated tube by bolts.

[0011] As a further solution of the utility model, the right ends of the first bellows tube and the second bellows tube are both fixedly connected with a first positioning plate, and the right ends of the first bellows tube and the second bellows tube are both provided with a first external thread.

[0012] As a further solution of the utility model, the outer end of the first curved pipe is fixedly connected to a second positioning plate, and the outer side of the end of the first curved pipe is provided with a second external thread.

[0013] As a further solution of the utility model, an anti-slip strip is fixedly connected to the outer side of the connecting piece, and an internal thread is provided on the inner side of the connecting piece.

[0014] As a further solution of the utility model, the internal thread is provided with opposite threads, and the opposite threads on the internal thread are arranged horizontally symmetrically.

[0015] As a further solution of the utility model, the first curved pipe and the second curved pipe are equal in size, and a bolt hole is provided on the inner side of the top of the support member.

[0016] As a further solution of the utility model, the left end of the end plate is fixedly connected to a box shell, a horizontally arranged partition is provided on the inner side of the box shell, a water inlet pipe is provided at the upper end of the box shell, and a water outlet pipe is provided at the lower end of the box shell.

[0017] The beneficial effects of the utility model are:

[0018] The utility model arranges a first corrugated tube, a second corrugated tube, a diffuser, a first elbow, a second elbow, a connector, etc., and fixes the diffuser on the outer sides of the first corrugated tube and the second corrugated tube, installs the first elbow on the right ends of the first corrugated tube and the second corrugated tube and screws and installs it through the connector, installs the second elbow on the left end of the second corrugated tube and screws and installs it through the connector, and multiple groups of spliced ​​corrugated tubes are installed side by side on the end plate and cooperate with the support to complete the assembly with the heat exchanger. Compared with the U-shaped heat exchange tube, the device has a longer length, and a diffuser is installed on the outer side of the corrugated tube, so that the heat exchange efficiency is improved in terms of length and contact area, and the heat exchange space is fully utilized. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of a corrugated tube used in a semi-volumetric heat exchanger according to an embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of the installation structure of a first corrugated tube and a second corrugated tube of a corrugated tube used in a semi-volumetric heat exchanger according to an embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the overall structure of a first external thread and a first positioning plate on a corrugated tube of a semi-volumetric heat exchanger according to an embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the overall structure of a first elbow of a corrugated tube used in a semi-volumetric heat exchanger according to an embodiment of the utility model;

[0024] Figure 5 It is a schematic diagram of the overall structure of a connector for a corrugated tube of a semi-volumetric heat exchanger according to an embodiment of the utility model;

[0025] Figure 6 It is a schematic diagram of the overall structure of a support member for a corrugated tube of a semi-volumetric heat exchanger according to an embodiment of the utility model.

[0026] In the figure:

[0027] 1. End plate; 2. First corrugated tube; 3. First elbow; 4. Connector; 5. Second corrugated tube; 6. Second elbow; 7. Diffuser; 8. Support; 9. Box shell;

[0028] 21. First positioning plate; 22. First external thread; 31. Second positioning plate; 32. Second external thread; 41. Anti-slip strip; 42. Internal thread. DETAILED DESCRIPTION

[0029] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0030] According to an embodiment of the utility model, a corrugated tube for a semi-volumetric heat exchanger is provided.

[0031] Please refer to the instruction manual Figure 1-5 According to an embodiment of the utility model, a corrugated tube for a semi-volumetric heat exchanger comprises an end plate 1, a first corrugated tube 2 is installed on the right side of the end plate 1, a first elbow 3 is provided at the right end of the first corrugated tube 2, a second corrugated tube 5 is provided on the inner side of the upper and lower first corrugated tubes 2, a first elbow 3 is provided at the right end of the first corrugated tube 2 and the second corrugated tube 5, a connecting piece 4 is spirally connected to the outer side of the first elbow 3, a second elbow 6 is installed at the left end of the second corrugated tube 5, a diffusion sheet 7 is installed on the outer side of the first corrugated tube 2 and the second corrugated tube 5, and a support piece 8 is provided on the outer side of the first corrugated tube 2 and the second corrugated tube 5.

[0032] When the device is used, the first corrugated tube 2 and the second corrugated tube 5 are taken and placed according to the position. The first elbow 3 is provided at the right end of the first corrugated tube 2 and the second corrugated tube 5. The connecting piece 4 is screwed and installed on the outer side of the first elbow 3. The first corrugated tube 2 is connected to the first elbow 3 through the connecting piece 4, and the second corrugated tube 5 is connected to the first elbow 3 through the connecting piece 4. The second elbow 6 is taken and placed on the left end of the second corrugated tube 5 and screwed and connected through the connecting piece. The diffuser 7 is installed on the outer side of the first corrugated tube 2 and the second corrugated tube 5. The heat exchange tube of the heat exchanger of this structure is provided with spherical or elliptical corrugations, so that the water flow in the heat exchange tube continuously forms vortices, and the heat exchange efficiency is greatly improved. By installing the diffuser 7 on the outer side of the corrugated tube, the spacing between the diffusers 7 is increased, and the formation of water film bridges between the diffusers 7 is avoided, so that the heat absorption area of ​​the high-temperature gas or liquid on the outer side of the corrugated tube and the corrugated tube is wider, the length of the corrugated tube is extended, and the heat absorption conversion efficiency is higher.

[0033] In one embodiment, please refer to the attached specification Figure 1-5As a further solution of the utility model, the left end of the first corrugated tube 2 is provided with an external thread on the outside, and the end plate 1 and the first corrugated tube 2 are fixedly connected by bolts.

[0034] Thereby, the corrugated tubes are installed side by side on the end plates and fixed by bolts.

[0035] In another embodiment, please refer to the attached Figure 1-5 As a further solution of the utility model, the left end of the end plate 1 is fixedly connected to a box shell 9, a horizontally arranged partition is provided on the inner side of the box shell 9, a water inlet pipe is provided at the upper end of the box shell 9, and a water outlet pipe is provided at the lower end of the box shell 9.

[0036] A water inlet pipe and a water outlet pipe are arranged on the box shell 9, cold water enters from the water inlet pipe and hot water is discharged from the water outlet pipe.

[0037] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, the first corrugated tube 2 and the second corrugated tube 5 are fixedly connected to the outer side of the right end with a first positioning plate 21, and the first corrugated tube 2 and the second corrugated tube 5 are provided with a first external thread 22.

[0038] External threads are provided on the outer sides of the first corrugated tube 2 and the second corrugated tube 5, so as to facilitate the connection between the corrugated tube and the elbow.

[0039] In another embodiment, please refer to the attached Figure 1-5 As a further solution of the present invention, the outer end of the first curved pipe 3 is fixedly connected with a second positioning plate 31 , and the outer side of the end of the first curved pipe 3 is provided with a second external thread 32 .

[0040] The positioning plate is provided so that the connector can fit after being screwed.

[0041] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, the outer side of the connecting member 4 is fixedly connected with an anti-slip strip 41, the inner side of the connecting member 4 is provided with an internal thread 42, the internal thread 42 is provided with opposite threads, and the opposite threads on the internal thread 42 are horizontally symmetrically arranged.

[0042] The connecting piece 4 is screwed, and the internal thread thereof rotates to drive the elbow and the corrugated pipe to move closer to or farther away from each other.

[0043] In another embodiment, please refer to the attached Figure 1-5 As a further solution of the utility model, the first curved pipe 3 and the second curved pipe 6 are equal in size, and a bolt hole is provided on the inner side of the top of the support member 8.

[0044] The support member 8 provides support for the corrugated tube.

[0045] Stainless steel corrugated tube is a new type of heat exchange element. It has a special structure and is wavy. It has good heat exchange performance and corrosion resistance. In the corrugated heat exchanger, the stainless steel corrugated tube is used as a heat exchange element, and its main functions are as follows: 1. Enhance the heat exchange effect: The structure of the stainless steel corrugated tube makes it have a better heat exchange effect than the traditional light tube. The wavy structure of the corrugated tube can increase the heat exchange area and reduce the volume of the heat exchanger, thereby improving the efficiency of the heat exchanger. 2. Corrosion resistance: The stainless steel corrugated tube is made of stainless steel and has good corrosion resistance. It can be used in a highly corrosive environment and extend the service life of the heat exchanger. 3. Improve stability: The wavy structure of the stainless steel corrugated tube can improve the stability of the heat exchanger, reduce the vibration and noise of the heat exchanger, and improve the performance of the heat exchanger.

[0046] When the device is used, the first corrugated tube 2 and the second corrugated tube 5 are taken and placed according to the position. The first elbow 3 is provided at the right end of the first corrugated tube 2 and the second corrugated tube 5. The connecting piece 4 is screwed and installed on the outer side of the first elbow 3. The first corrugated tube 2 is connected to the first elbow 3 through the connecting piece 4, and the second corrugated tube 5 is connected to the first elbow 3 through the connecting piece 4. The second elbow 6 is taken and placed on the left end of the second corrugated tube 5 and screwed and connected through the connecting piece. The diffuser 7 is installed on the outer side of the first corrugated tube 2 and the second corrugated tube 5. The heat exchange tube of the heat exchanger of this structure is provided with spherical or elliptical corrugations, so that the water flow in the heat exchange tube continuously forms vortices, and the heat exchange efficiency is greatly improved. By installing the diffuser 7 on the outer side of the corrugated tube, the spacing between the diffusers 7 is increased, and the formation of water film bridges between the diffusers 7 is avoided, so that the heat absorption area of ​​the high-temperature gas or liquid on the outer side of the corrugated tube and the corrugated tube is wider, the length of the corrugated tube is extended, and the heat absorption conversion efficiency is higher.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A corrugated tube for a semi-volumetric heat exchanger, comprising an end plate (1), characterized in that: A first bellows (2) is installed on the right side of the end plate (1), a first curved pipe (3) is provided at the right end of the first bellows (2), a second bellows (5) is provided on the inner side of the upper and lower first bellows (2), a first curved pipe (3) is provided at the right end of the first bellows (2) and the second bellows (5), a connecting piece (4) is spirally connected to the outer side of the first curved pipe (3), a second curved pipe (6) is installed at the left end of the second bellows (5), a diffusion sheet (7) is installed on the outer side of the first bellows (2) and the second bellows (5), and a supporting piece (8) is provided on the outer side of the first bellows (2) and the second bellows (5).

2. The corrugated tube for a semi-volumetric heat exchanger according to claim 1, characterized in that: The left end of the first corrugated tube (2) is provided with an external thread on the outside, and the end plate (1) and the first corrugated tube (2) are fixedly connected by bolts.

3. The corrugated tube for a semi-volumetric heat exchanger according to claim 1, characterized in that: The first bellows tube (2) and the second bellows tube (5) are both fixedly connected to the outer sides of their right ends with a first positioning plate (21), and the first bellows tube (2) and the second bellows tube (5) are both provided with a first external thread (22).

4. The corrugated tube for a semi-volumetric heat exchanger according to claim 1, characterized in that: The outer end of the first curved pipe (3) is fixedly connected to a second positioning plate (31), and the outer side of the end of the first curved pipe (3) is provided with a second external thread (32).

5. The corrugated tube for a semi-volumetric heat exchanger according to claim 1, characterized in that: The outer side of the connecting piece (4) is fixedly connected with an anti-slip strip (41), and the inner side of the connecting piece (4) is provided with an internal thread (42).

6. The corrugated tube for a semi-volumetric heat exchanger according to claim 5, characterized in that: The internal thread (42) is provided with opposite threads, and the opposite threads on the internal thread (42) are arranged in horizontal symmetry.

7. The corrugated tube for a semi-volumetric heat exchanger according to claim 1, characterized in that: The first curved pipe (3) and the second curved pipe (6) are of equal size, and a bolt hole is provided on the inner side of the top of the support member (8).

8. The corrugated tube for a semi-volumetric heat exchanger according to claim 1, characterized in that: The left end of the end plate (1) is fixedly connected to a box shell (9), the inner side of the box shell (9) is provided with a horizontally arranged partition, the upper end of the box shell (9) is provided with a water inlet pipe, and the lower end of the box shell (9) is provided with a water outlet pipe.

Images