Instant heating tube structure
By adopting a U-shaped bent pipe structure in the instant heat generating tube structure, the extension direction is consistent with the water flow direction, the problems of local overheating and scale in the prior art are solved, and the effect of efficient heat exchange and extended service life is achieved.
Patent Information
- Application Number
- CN202421653845.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The existing instant heat heating pipe structure is tangent to the spiral direction in the water flow direction, which makes it difficult for the heat between the pipe to be absorbed by water, which easily causes local overheating and scale generation, reducing service life.
U-shaped bent pipe structure is adopted, the first heating pipe and the second heating pipe are both bent and molded on the connecting flange, forming multiple sets of U-shaped bent pipe structures, the extension direction is consistent with the water flow direction, and the pipe spacing is increased to improve heat exchange efficiency.
It achieves a compact structure, small size and high heat exchange efficiency, effectively inhibiting scale generation, prolonging service life, and reducing the water resistance inside the inner liner, reducing the pressure drop of water in and out of the inner liner.
Smart Images
Figure CN222954130U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heating equipment, in particular to an instant heating pipe structure. Background Art
[0002] Instant heating tube is a device that can be used in a variety of heating equipment to heat materials. It is generally built into the internal water path of the heating equipment. Currently, the single high-power instant heating tube structure on the market is mostly a spiral tube structure. The water flow direction is tangent to the spiral direction, and the spacing between the tubes is small, resulting in the heat between the tubes not being well absorbed by the water, which can easily cause local overheating, resulting in scale generation, and reducing the service life. There are certain limitations. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an instant heating pipe structure which has a simple and compact structure, occupies a small volume, has a high heat exchange efficiency, can effectively inhibit the formation of scale, and prolongs the service life.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0005] An instant heating pipe structure comprises a connecting flange, on which a plurality of groups of first heating pipes are arranged, and on which the first heating pipes are bent to form a first U-shaped bent pipe structure, a second U-shaped bent pipe structure and a third U-shaped bent pipe structure.
[0006] As a further improvement of the above technical solution:
[0007] The first heating pipe includes a first connecting pipe section, a first straight pipe section, a first elbow, a second straight pipe section, a second elbow, a third straight pipe section, a third elbow, a fourth straight pipe section and a second connecting pipe section, and the first connecting pipe section and the second connecting pipe section are fixedly arranged on the connecting flange;
[0008] The first straight pipe section, the first elbow and the second straight pipe section constitute the first U-shaped elbow structure, the second straight pipe section, the second elbow and the third straight pipe section constitute the second U-shaped elbow structure, and the third straight pipe section, the third elbow and the fourth straight pipe section constitute the third U-shaped elbow structure.
[0009] The axial directions of the first straight pipe section, the second straight pipe section, the third straight pipe section and the fourth straight pipe section are parallel to the axial direction of the connecting flange.
[0010] The first connecting pipe section includes a first joint and a first extension pipe, the axial direction of the first joint is parallel to the axial direction of the connecting flange, and the angle between the axial direction of the first extension pipe and the axial direction of the first joint is an obtuse angle;
[0011] The second connecting pipe section includes a second joint and a second extension pipe, the axial direction of the second joint is parallel to the axial direction of the connecting flange, and the angle between the axial direction of the second extension pipe and the axial direction of the second joint is an obtuse angle.
[0012] A plurality of groups of first joints and second joints of the first heating tubes are arranged in a ring array on the connecting flange.
[0013] A plurality of groups of the first heating tubes are all located in an imaginary cylinder having the axis of the connecting flange as the central axis and the outer diameter of the connecting flange as the diameter.
[0014] A plurality of groups of second heating tubes are also arranged on the connecting flange. The second heating tubes are located inside the first heating tubes. The second heating tubes are bent to form a fourth U-shaped bent tube structure, a fifth U-shaped bent tube structure and a sixth U-shaped bent tube structure.
[0015] The second heating pipe includes a third connecting pipe section, a fifth straight pipe section, a fourth elbow, a sixth straight pipe section, a fifth elbow, a seventh straight pipe section, a sixth elbow, an eighth straight pipe section and a fourth connecting pipe section, and the third connecting pipe section and the fourth connecting pipe section are fixedly arranged on the connecting flange;
[0016] The fifth straight pipe segment, the fourth elbow and the sixth straight pipe segment constitute the fourth U-shaped elbow structure, the sixth straight pipe segment, the fifth elbow and the seventh straight pipe segment constitute the fifth U-shaped elbow structure, and the seventh straight pipe segment, the sixth elbow and the eighth straight pipe segment constitute the sixth U-shaped elbow structure.
[0017] The axial directions of the third connecting pipe segment, the sixth straight pipe segment, the seventh straight pipe segment and the fourth connecting pipe segment are parallel to the axial direction of the connecting flange, the angle between the axial direction of the fifth straight pipe segment and the axial direction of the third connecting pipe segment is an obtuse angle, and the angle between the axial direction of the eighth straight pipe segment and the axial direction of the fourth connecting pipe segment is an obtuse angle.
[0018] A plurality of groups of the first heating tubes and a plurality of groups of the second heating tubes are all located in an imaginary cylinder having the axis of the connecting flange as the central axis and the outer diameter of the connecting flange as the diameter.
[0019] Compared with the prior art, the advantages of the utility model are:
[0020] The instant heating pipe structure of the utility model comprises a connecting flange and a plurality of first heating pipes arranged on the connecting flange, wherein the first heating pipe is bent to form a first U-shaped curved pipe structure, a second U-shaped curved pipe structure and a third U-shaped curved pipe structure, the structure is simple and compact, and the occupied volume is small, and the spiral pipe structure in the prior art is replaced, the extension direction of the U-shaped curved pipe structure is consistent with the water flow direction, the verticality is good during production, and it is not easy to cause eccentricity and hit the wall like the production of the spiral pipe structure, the spacing between the pipes is large, it is easy to take away the heat of the pipe wall, the heat exchange efficiency is high, and local overheating will not occur, the generation of scale can be better suppressed, and the service life can be effectively extended, and compared with the spiral pipe structure, the U-shaped curved pipe structure can reduce the water resistance inside the inner tank, and greatly reduce the pressure drop of the water inlet and outlet of the inner tank. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a three-dimensional structural schematic diagram of the instant heating tube structure of Example 1.
[0022] Figure 2 This is a schematic diagram of the structure of the instant heating tube structure of Example 1 from a front view angle.
[0023] Figure 3 It is a schematic diagram of the structure of the instant heating tube structure of the first embodiment from a rear view angle.
[0024] Figure 4 It is a structural schematic diagram of the first heating tube of the first embodiment.
[0025] Figure 5 It is a schematic diagram of the assembly of the instant heating pipe structure and the inner tank of the first embodiment.
[0026] Figure 6 It is a three-dimensional structural schematic diagram of the instant heating pipe structure of the second embodiment.
[0027] Figure 7 This is a schematic diagram of the structure of the instant heating tube structure of Example 2 from a front view angle.
[0028] Figure 8 This is a schematic diagram of the structure of the first heating tube and the second heating tube of the second embodiment.
[0029] Legend:
[0030] 1. Connecting flange; 2. First heating pipe; 201. First U-shaped elbow structure; 202. Second U-shaped elbow structure; 203. Third U-shaped elbow structure; 3. First connecting pipe section; 301. First joint; 302. First extension pipe; 4. First straight pipe section; 5. First elbow head; 6. Second straight pipe section; 7. Second elbow head; 8. Third straight pipe section; 9. Third elbow head; 10. Fourth straight pipe section; 11. Second connecting pipe Segment; 1101, second joint; 1102, second extension pipe; 12, second heating pipe; 1201, fourth U-shaped bend structure; 1202, fifth U-shaped bend structure; 1203, sixth U-shaped bend structure; 13, third connecting pipe segment; 14, fifth straight pipe segment; 15, fourth elbow head; 16, sixth straight pipe segment; 17, fifth elbow head; 18, sixth elbow head; 19, eighth straight pipe segment; 20, fourth connecting pipe segment. DETAILED DESCRIPTION
[0031] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0032] Embodiment 1
[0033] like Figures 1 to 5 As shown, the instant heating pipe structure of this embodiment includes a connecting flange 1, on which are arranged a plurality of first heating pipes 2, on which the first heating pipes 2 are bent to form a first U-shaped bent pipe structure 201, a second U-shaped bent pipe structure 202 and a third U-shaped bent pipe structure 203. The instant heating pipe structure comprises a connecting flange 1 and a plurality of first heating pipes 2 arranged on the connecting flange 1, wherein the first heating pipe 2 is bent to form a first U-shaped curved pipe structure 201, a second U-shaped curved pipe structure 202 and a third U-shaped curved pipe structure 203. The structure is simple and compact, and the occupied volume is small. It replaces the spiral pipe structure in the prior art. The extension direction of the U-shaped curved pipe structure is consistent with the water flow direction. The verticality is good during production, and it is not easy to cause eccentricity and wall collision like the production of the spiral pipe structure. The spacing between the pipes is large, and it is easy to take away the heat of the pipe wall. The heat exchange efficiency is high, and local overheating will not occur. It can better inhibit the generation of scale and effectively extend the service life. Moreover, compared with the spiral pipe structure, the U-shaped curved pipe structure can reduce the water resistance inside the inner tank and greatly reduce the pressure drop of the water inlet and outlet of the inner tank.
[0034] It should be noted that, in the present embodiment, the number of groups of the first heating tubes 2 is set to two groups, and each group of the first heating tubes 2 is provided with three groups of U-shaped bent tube structures. In other embodiments, the number of groups of the first heating tubes 2 and the number of groups of U-shaped bent tube structures on each group of the first heating tubes 2 can also be flexibly adjusted according to actual production needs, and are not limited to the present embodiment.
[0035] Preferably, the first heating tube 2 includes a first connecting pipe section 3, a first straight pipe section 4, a first elbow head 5, a second straight pipe section 6, a second elbow head 7, a third straight pipe section 8, a third elbow head 9, a fourth straight pipe section 10 and a second connecting pipe section 11, and the first connecting pipe section 3 and the second connecting pipe section 11 are fixedly arranged on the connecting flange 1; the first straight pipe section 4, the first elbow head 5 and the second straight pipe section 6 constitute a first U-shaped elbow structure 201, the second straight pipe section 6, the second elbow head 7 and the third straight pipe section 8 constitute a second U-shaped elbow structure 202, and the third straight pipe section 8, the third elbow head 9 and the fourth straight pipe section 10 constitute a third U-shaped elbow structure 203.
[0036] Preferably, the axial direction of the first straight pipe section 4, the second straight pipe section 6, the third straight pipe section 8 and the fourth straight pipe section 10 is parallel to the axial direction of the connecting flange 1. The structure has good verticality during production and is not prone to eccentricity and wall collision as in the production of spiral pipe structures. After the instant heating pipe structure of the utility model is assembled with the inner tank, the extension direction of the first straight pipe section 4, the second straight pipe section 6, the third straight pipe section 8 and the fourth straight pipe section 10 is consistent with the water flow direction, which makes it easy to take away the heat from the pipe wall, has high heat exchange efficiency, does not cause local overheating, and reduces the heat load of the first heating pipe 2.
[0037] Preferably, the first connecting pipe section 3 includes a first joint 301 and a first extension pipe 302, the axial direction of the first joint 301 is parallel to the axial direction of the connecting flange 1, and the angle between the axial direction of the first extension pipe 302 and the axial direction of the first joint 301 is an obtuse angle; the second connecting pipe section 11 includes a second joint 1101 and a second extension pipe 1102, the axial direction of the second joint 1101 is parallel to the axial direction of the connecting flange 1, and the angle between the axial direction of the second extension pipe 1102 and the axial direction of the second joint 1101 is an obtuse angle. In this embodiment, Figure 4 As shown, the angle between the axial direction of the first extension tube 302 and the axial direction of the first joint 301 is an obtuse angle, the angle between the axial direction of the second extension tube 1102 and the axial direction of the second joint 1101 is an obtuse angle, and the axial direction of the first extension tube 302 and the axial direction of the second extension tube 1102 are arranged in reverse, which effectively increases the tube spacing between the first straight tube section 4, the second straight tube section 6, the third straight tube section 8 and the fourth straight tube section 10, can better inhibit the formation of scale, and is beneficial to extending the service life of the first heating tube 2.
[0038] Preferably, the first joints 301 and the second joints 1101 of several groups of first heating tubes 2 are arranged in a circular array on the connecting flange 1, so that any group of first heating tubes 2 as a whole presents a similar arc wall structure on the connecting flange 1. Several groups of first heating tubes 2 can cooperate to form an annular heating wall on the connecting flange 1, which can evenly heat the water in the inner tank and avoid local overheating.
[0039] Preferably, several groups of first heating tubes 2 are all located in an imaginary cylinder with the axis of the connecting flange 1 as the central axis and the outer diameter of the connecting flange 1 as the diameter, so that when the instant heating tube structure of the utility model is assembled with the cylindrical inner tank, it can effectively avoid the first heating tube 2 from colliding with the inner tank inlet or the inner wall of the inner tank and causing damage. The installation and disassembly process is convenient and quick, and the assembly efficiency is effectively improved.
[0040] Embodiment 2
[0041] like Figures 6 to 8 As shown, the instant heating tube structure of this embodiment is basically the same as that of the first embodiment, except that: a plurality of groups of second heating tubes 12 are further provided on the connecting flange 1, the second heating tubes 12 are located on the inner side of the first heating tube 2, and the second heating tubes 12 are bent to form a fourth U-shaped bent tube structure 1201, a fifth U-shaped bent tube structure 1202, and a sixth U-shaped bent tube structure 1203. In this embodiment, the connecting flange 1 is provided with the second heating tube 12 located on the inner side of the first heating tube 2, which can heat the inside of the annular heating wall formed by the first heating tube 2, can further improve the heating efficiency of the water in the inner tank, and meet the use requirements of a higher water outlet temperature.
[0042] It should be noted that, in the present embodiment, the number of groups of the first heating tubes 2 is set to two groups, and the number of groups of the second heating tubes 12 is set to one group, and each group of the first heating tubes 2 and each group of the second heating tubes 12 are provided with three groups of U-shaped bend tube structures. In other embodiments, the number of groups of the first heating tubes 2 and the second heating tubes 12 and the number of groups of U-shaped bend tube structures on each group of the first heating tubes 2 and each group of the second heating tubes 12 can also be flexibly adjusted according to actual production needs, and are not limited to the present embodiment.
[0043] Preferably, the second heating tube 12 includes a third connecting pipe section 13, a fifth straight pipe section 14, a fourth elbow head 15, a sixth straight pipe section 16, a fifth elbow head 17, a seventh straight pipe section (not marked in the figure due to viewing angle obstruction), a sixth elbow head 18, an eighth straight pipe section 19 and a fourth connecting pipe section 20. The third connecting pipe section 13 and the fourth connecting pipe section 20 are fixedly arranged on the connecting flange 1; the fifth straight pipe section 14, the fourth elbow head 15 and the sixth straight pipe section 16 constitute a fourth U-shaped elbow structure 1201, the sixth straight pipe section 16, the fifth elbow head 17 and the seventh straight pipe section constitute a fifth U-shaped elbow structure 1202, and the seventh straight pipe section, the sixth elbow head 18 and the eighth straight pipe section 19 constitute a sixth U-shaped elbow structure 1203.
[0044] Preferably, the axial directions of the third connecting pipe section 13, the sixth straight pipe section 16, the seventh straight pipe section and the fourth connecting pipe section 20 are parallel to the axial direction of the connecting flange 1, the angle between the axial direction of the fifth straight pipe section 14 and the axial direction of the third connecting pipe section 13 is an obtuse angle, and the angle between the axial direction of the eighth straight pipe section 19 and the axial direction of the fourth connecting pipe section 20 is an obtuse angle. In this embodiment, Figure 8 As shown, the angle between the axial direction of the fifth straight pipe segment 14 and the axial direction of the third connecting pipe segment 13 is an obtuse angle, and the angle between the axial direction of the eighth straight pipe segment 19 and the axial direction of the fourth connecting pipe segment 20 is an obtuse angle, so that on the side close to the input end of the inner tank, the tube spacing between the fifth straight pipe segment 14 and the sixth straight pipe segment 16, and the tube spacing between the eighth straight pipe segment 19 and the seventh straight pipe segment are increased, which is beneficial to inhibiting the formation of scale and extending the service life of the second heating tube 12.
[0045] Preferably, several groups of first heating tubes 2 and several groups of second heating tubes 12 are all located in an imaginary cylinder with the axis of the connecting flange 1 as the central axis and the outer diameter of the connecting flange 1 as the diameter, so that when the instant heating tube structure of the utility model is assembled with the cylindrical inner tank, it can effectively avoid the first heating tube 2 and the second heating tube 12 from colliding with the inner tank inlet or the inner wall of the inner tank and being damaged, and the installation and disassembly process is convenient and quick, effectively improving the assembly efficiency.
[0046] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, improvements and changes obtained without departing from the technical concept of the present invention should also be regarded as the protection scope of the present invention.
Claims
1. An instant heating pipe structure, comprising a connecting flange (1), characterized in that: A plurality of groups of first heating tubes (2) are arranged on the connecting flange (1), and the first heating tubes (2) are bent to form a first U-shaped bent tube structure (201), a second U-shaped bent tube structure (202) and a third U-shaped bent tube structure (203).
2. The instant heating pipe structure according to claim 1, characterized in that: The first heating pipe (2) comprises a first connecting pipe section (3), a first straight pipe section (4), a first elbow (5), a second straight pipe section (6), a second elbow (7), a third straight pipe section (8), a third elbow (9), a fourth straight pipe section (10) and a second connecting pipe section (11); the first connecting pipe section (3) and the second connecting pipe section (11) are fixedly arranged on the connecting flange (1); The first straight pipe section (4), the first elbow (5) and the second straight pipe section (6) constitute the first U-shaped elbow structure (201); the second straight pipe section (6), the second elbow (7) and the third straight pipe section (8) constitute the second U-shaped elbow structure (202); and the third straight pipe section (8), the third elbow (9) and the fourth straight pipe section (10) constitute the third U-shaped elbow structure (203).
3. The instant heating pipe structure according to claim 2, characterized in that: The axial directions of the first straight pipe section (4), the second straight pipe section (6), the third straight pipe section (8) and the fourth straight pipe section (10) are parallel to the axial direction of the connecting flange (1).
4. The instant heating pipe structure according to claim 3, characterized in that: The first connecting pipe section (3) comprises a first joint (301) and a first extension pipe (302), the axial direction of the first joint (301) is parallel to the axial direction of the connecting flange (1), and the angle between the axial direction of the first extension pipe (302) and the axial direction of the first joint (301) is an obtuse angle; The second connecting pipe section (11) comprises a second joint (1101) and a second extension pipe (1102); the axial direction of the second joint (1101) is parallel to the axial direction of the connecting flange (1); and the angle between the axial direction of the second extension pipe (1102) and the axial direction of the second joint (1101) is an obtuse angle.
5. The instant heating pipe structure according to claim 4, characterized in that: A plurality of groups of first joints (301) and second joints (1101) of the first heating tubes (2) are arranged in a ring array on the connecting flange (1).
6. The instant heating pipe structure according to claim 5, characterized in that: A plurality of groups of the first heating tubes (2) are all located in an imaginary cylinder having the axis of the connecting flange (1) as the central axis and the outer diameter of the connecting flange (1) as the diameter.
7. The instant heating pipe structure according to claim 5, characterized in that: A plurality of groups of second heating tubes (12) are also provided on the connecting flange (1); the second heating tubes (12) are located on the inner side of the first heating tube (2); and the second heating tubes (12) are bent to form a fourth U-shaped bent tube structure (1201), a fifth U-shaped bent tube structure (1202) and a sixth U-shaped bent tube structure (1203).
8. The instant heating pipe structure according to claim 7, characterized in that: The second heating pipe (12) comprises a third connecting pipe section (13), a fifth straight pipe section (14), a fourth elbow (15), a sixth straight pipe section (16), a fifth elbow (17), a seventh straight pipe section, a sixth elbow (18), an eighth straight pipe section (19) and a fourth connecting pipe section (20); the third connecting pipe section (13) and the fourth connecting pipe section (20) are fixedly arranged on the connecting flange (1); The fifth straight pipe section (14), the fourth elbow (15) and the sixth straight pipe section (16) constitute the fourth U-shaped elbow structure (1201); the sixth straight pipe section (16), the fifth elbow (17) and the seventh straight pipe section constitute the fifth U-shaped elbow structure (1202); and the seventh straight pipe section, the sixth elbow (18) and the eighth straight pipe section (19) constitute the sixth U-shaped elbow structure (1203).
9. The instant heating pipe structure according to claim 8, characterized in that: The axial directions of the third connecting pipe section (13), the sixth straight pipe section (16), the seventh straight pipe section and the fourth connecting pipe section (20) are parallel to the axial direction of the connecting flange (1); the angle between the axial direction of the fifth straight pipe section (14) and the axial direction of the third connecting pipe section (13) is an obtuse angle; and the angle between the axial direction of the eighth straight pipe section (19) and the axial direction of the fourth connecting pipe section (20) is an obtuse angle.
10. The instant heating pipe structure according to claim 9, characterized in that: A plurality of groups of the first heating tubes (2) and a plurality of groups of the second heating tubes (12) are all located in an imaginary cylinder having the axis of the connecting flange (1) as the central axis and the outer diameter of the connecting flange (1) as the diameter.