Spiral winding type heat exchanger

Abstract

The utility model discloses a spiral winding type heat exchanger which comprises a barrel body, heat source connectors are symmetrically installed at the upper end and the lower end of the barrel body, cold source connectors are symmetrically connected to the side wall of the barrel body, a spiral tube bundle is installed in the barrel body, and two rows of baffle plates are distributed between the periphery of the spiral tube bundle and the inner wall of the barrel body. Each row of baffle plates penetrate through and are in threaded connection with the same screw rod, a main ring plate and an auxiliary ring plate are rotationally mounted at the upper end and the lower end of the screw rod respectively and are rotationally connected with the barrel body, a transmission gear is connected to one end, penetrating out of the top surface of the main ring plate, of the screw rod, and a double-sided gear ring is rotationally connected to the main ring plate; the inner ring of the double-face gear ring is connected with the transmission gear in a meshed mode, and a gear ring is fixed to the outer edge of the main ring plate. Through the arrangement of the baffle plates, the flowing time of a cold source in the cylinder body is prolonged, meanwhile, when the baffle plates slide, the surfaces of the spiral tube bundles can be cleaned, and the heat exchange efficiency of the whole heat exchanger is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a spirally wound heat exchanger. Background Art

[0002] The spirally wound tube heat exchanger is a new type of shell and tube heat exchanger. Because the heat exchange tube is a tube bundle structure formed by reverse winding of the threaded tube, it is named the spirally wound tube heat exchanger. The heat source of the spirally wound heat exchanger flows inside the spiral tube bundle, while the cold source flows in the inner cavity gap between the outer cylinder and the tube bundle, thereby achieving the effect of heat exchange.

[0003] However, the inner wall of the outer cylinder of the current spirally wound tube heat exchanger and the spiral tube bundle are smooth and unobstructed, resulting in a short flow time of the cold source in the cylinder and failure to fully exchange heat with the spiral tube bundle, resulting in poor heat exchange efficiency.

[0004] To this end, we propose a spirally wound heat exchanger to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a spirally wound heat exchanger to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A spirally wound heat exchanger comprises a cylinder, wherein heat source interfaces are symmetrically installed at the upper and lower ends of the cylinder, and a cold source interface is symmetrically connected to the side wall of the cylinder, a spiral tube bundle is installed inside the cylinder, and two rows of baffles are distributed between the outer periphery of the spiral tube bundle and the inner wall of the cylinder, and the baffles of each row are spaced apart and distributed along the axial direction of the spiral tube bundle, and the two rows of baffles are spaced apart and staggered with each other;

[0008] Each row of baffles penetrates and is threadedly connected to the same screw, and the upper and lower ends of the screw are respectively rotatably mounted with a main ring plate and a secondary ring plate, the main ring plate and the secondary ring plate are both rotatably connected to the barrel, and one end of the screw passing through the top surface of the main ring plate is connected to a transmission gear, the main ring plate is rotatably connected with a double-sided gear ring, the inner ring of the double-sided gear ring is meshed with the transmission gear, and the outer edge of the main ring plate is fixed with a gear ring;

[0009] A drive box is also installed on the outer wall of the cylinder, and drive gear 1 and drive gear 2 are rotatably installed inside the drive box, and drive gear 1 and drive gear 2 are respectively meshed and connected with the double-sided gear ring and gear ring, and motor 1 and motor 2 are respectively installed on the upper and lower surfaces of the drive box.

[0010] In a further embodiment, the baffle adopts a fan-shaped structure, and the outer ring of the baffle is tightly fitted with the inner wall of the cylinder.

[0011] In a further embodiment, the sector area of ​​the baffle is 1 / 2-3 / 4 of the area of ​​the circular ring where the entire baffle is located.

[0012] In a further embodiment, the inner circle of the baffle is tightly fitted with the outer surface of the spiral tube bundle.

[0013] In a further embodiment, the transmission gear, the double-sided gear ring and the drive gear are on the same horizontal plane.

[0014] In a further embodiment, the ring gear and the second driving gear are on the same horizontal plane.

[0015] In a further embodiment, a partition is installed between the driving gear 1 and the driving gear 2, and the partition is fixed to the driving box.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model arranges baffles so that after the cold source is filled into the cylinder, it can be fully baffled between the cylinder and the spiral tube bundle under the blocking effect of the multi-layer baffles, thereby extending the flow time of the cold source in the cylinder, so that it can fully contact with the spiral tube bundle for heat exchange, effectively improving the heat exchange efficiency of the entire heat exchanger.

[0018] The utility model can slide along the axial direction of the spiral tube bundle by arranging the baffle plate, so as to scrape the surface of the spiral tube bundle, thereby achieving the effect of removing scale on the surface of the spiral tube bundle, thereby preventing the scale from adhering to affect the heat exchange effect between the spiral tube bundle and the cold source. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of a partial cylinder structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the utility model after the spiral tube bundle is taken out of the cylinder;

[0022] Figure 4 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0023] In the figure: 1. Cylinder; 2. Heat source interface; 3. Cold source interface; 4. Spiral tube bundle; 5. Baffle; 6. Screw; 61. Transmission gear; 7. Main ring plate; 8. Secondary ring plate; 9. Double-sided gear ring; 10. Gear ring; 11. Drive box; 12. Drive gear 1; 13. Motor 1; 14. Drive gear 2; 15. Motor 2; 16. Partition. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood by specific circumstances.

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-2 A spirally wound heat exchanger comprises a cylinder 1, and heat source interfaces 2 are symmetrically installed at the upper and lower ends of the cylinder 1, so that the liquid to be cooled is poured in from the upper end of the cylinder 1 and then flows out from the bottom end of the cylinder 1. Cold source interfaces 3 are symmetrically connected to the side walls of the cylinder 1, and the cold source interfaces 3 are one above and one below. Cooling water is connected from the cold source interface 3 at the bottom and then flows out from the cold source interface 3 at the top. A spiral tube bundle 4 is installed inside the cylinder 1. After the heat source is poured in from the end of the cylinder 1, it flows into the interior of the spiral tube bundle 4, and two rows of baffles 5 are distributed between the periphery of the spiral tube bundle 4 and the inner wall of the cylinder 1. The two rows of baffles 5 are distributed on opposite sides, and the baffles 5 of each row are spaced apart along the axial direction of the spiral tube bundle 4, and the two rows of baffles 5 are spaced apart and staggered with each other, so that when the cooling water flows, it is blocked and baffled in turn by the multi-layer baffles 5, extending its flow time and flow line, ensuring the adequacy of heat exchange, and improving the heat exchange efficiency.

[0028] See also Figure 3 In order to ensure the baffle effect of the baffle 5, the baffle 5 is arranged to adopt a fan-shaped structure, and the outer ring of the baffle 5 is tightly fitted with the inner wall of the cylinder 1 to reduce the cooling water flowing from the gap between the outer ring of the baffle 5 and the cylinder 1. The fan-shaped area of ​​the baffle 5 is 1 / 2-3 / 4 of the area of ​​the entire circular ring where the baffle 5 is located, ensuring that the projection surfaces of the upper and lower layers of the baffle 5 on both sides can be partially overlapped and staggered, thereby blocking the cooling water.

[0029] See also Figure 2-4 Considering that the heat exchange effect is affected when scale adheres to the surface of the spiral tube bundle 4, each row of baffles 5 is penetrated and threadedly connected to the same screw 6, and the upper and lower ends of the screw 6 are respectively rotatably installed with a main ring plate 7 and a secondary ring plate 8, and the main ring plate 7 and the secondary ring plate 8 are both rotatably connected to the cylinder 1, and the end of the screw 6 passing through the top surface of the main ring plate 7 is connected to a transmission gear 61, and the main ring plate 7 is rotatably connected with a double-sided gear ring 9, and the inner ring of the double-sided gear ring 9 is meshed with the transmission gear 61. A drive box 11 is also installed on the outer wall of the cylinder 1, and a drive gear 12 is rotatably installed inside the drive box 11. The transmission gear 61, the double-sided gear ring 9 and the driving gear 12 are on the same horizontal plane. The driving gear 12 is meshed with the outer ring of the double-sided gear ring 9. A motor 13 is installed on the upper surface of the driving box 11. The output shaft of the motor 13 is coaxially connected with the driving gear 12, so that the driving gear 12 can be controlled to rotate. The double-sided gear ring 9 and the transmission gear 61 are transmitted, so as to control the rotation of the screw 6. When the screw 6 rotates, the baffle 5 moves along its length direction, and the inner ring of the baffle 5 is tightly fitted with the outer surface of the spiral tube bundle 4, so as to scrape off the scale on the outer surface of the spiral tube bundle 4.

[0030] See also Figure 2-4 Furthermore, considering that the two rows of baffles 5 are staggered and spaced, resulting in one row of baffles 5 being unable to clean the top portion of the spiral tube bundle 4, and the other row of baffles 5 being unable to clean the bottom portion of the spiral tube bundle 4, a gear ring 10 is fixed to the outer edge of the main ring plate 7, and a drive gear 2 14 is rotatably installed inside the drive box 11, the gear ring 10 and the drive gear 2 14 are on the same horizontal plane, a partition 16 is installed between the drive gear 1 12 and the drive gear 2 14, and the partition 16 is fixed to the outer edge of the main ring plate 7, and the drive gear 2 14 is rotatably installed inside the drive box 11, and the gear ring 10 and the drive gear 2 14 are on the same horizontal plane, and a partition 16 is installed between the drive gear 1 12 and the drive gear 2 14, and the partition 16 is fixed to the outer edge of the main ring plate 7, and the drive gear 2 14 is fixed to the outer edge of the main ring plate 7, and the drive gear 2 14 is fixed to the inner ... The drive box 11 is fixed, and the drive gear 2 14 is meshed and connected with the ring gear 10. The lower surface of the drive box 11 is installed with a motor 2 15. The output shaft of the motor 2 15 is coaxially connected with the drive gear 2 14, thereby driving it to rotate. At this time, the motor 13 is not working. The transmission effect of the ring gear 10 is utilized to drive the main ring plate 7 to rotate, adjust the position of the screw 6 and the baffle 5, and replace the two rows of baffles 5. At this time, when the baffle 5 moves up and down, the outer surface of the spiral tube bundle 4 can be conveniently and fully cleaned.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A spirally wound heat exchanger, comprising a cylinder (1), characterized in that: The upper and lower ends of the cylinder (1) are symmetrically provided with heat source interfaces (2), and the side wall of the cylinder (1) is symmetrically connected with a cold source interface (3), a spiral tube bundle (4) is installed inside the cylinder (1), and two rows of baffles (5) are distributed between the periphery of the spiral tube bundle (4) and the inner wall of the cylinder (1), the baffles (5) of each row are spaced apart in the axial direction of the spiral tube bundle (4), and the two rows of baffles (5) are spaced apart and staggered with each other; Each row of baffles (5) penetrates and is threadedly connected to the same screw (6), and a main ring plate (7) and a secondary ring plate (8) are rotatably mounted on the upper and lower ends of the screw (6), respectively, and the main ring plate (7) and the secondary ring plate (8) are both rotatably connected to the barrel (1), and one end of the screw (6) that passes through the top surface of the main ring plate (7) is connected to a transmission gear (61), and a double-sided gear ring (9) is rotatably connected to the main ring plate (7), and the inner ring of the double-sided gear ring (9) is meshed with the transmission gear (61), and a gear ring (10) is fixed to the outer edge of the main ring plate (7); A drive box (11) is also mounted on the outer wall of the cylinder (1), and a drive gear 1 (12) and a drive gear 2 (14) are rotatably mounted inside the drive box (11), and the drive gear 1 (12) and the drive gear 2 (14) are respectively meshed and connected with the double-sided gear ring (9) and the gear ring (10), and a motor 1 (13) and a motor 2 (15) are respectively mounted on the upper and lower surfaces of the drive box (11).

2. A spirally wound heat exchanger according to claim 1, characterized in that: The baffle plate (5) adopts a fan-shaped structure, and the outer ring of the baffle plate (5) is tightly fitted to the inner wall of the cylinder (1).

3. A spirally wound heat exchanger according to claim 2, characterized in that: The sector area of ​​the baffle (5) is 1 / 2 to 3 / 4 of the area of ​​the circular ring where the entire baffle (5) is located.

4. The spirally wound heat exchanger according to claim 1, characterized in that: The inner circle of the baffle (5) is tightly fitted to the outer surface of the spiral tube bundle (4).

5. The spirally wound heat exchanger according to claim 1, characterized in that: The transmission gear (61), the double-sided gear ring (9) and the driving gear 1 (12) are located on the same horizontal plane.

6. The spirally wound heat exchanger according to claim 1, characterized in that: The gear ring (10) and the second driving gear (14) are located on the same horizontal plane.

7. The spirally wound heat exchanger according to claim 1, characterized in that: A partition plate (16) is installed between the driving gear 1 (12) and the driving gear 2 (14), and the partition plate (16) is fixed to the driving box (11).

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