Anti-solidification heat exchanger

Through structural designs such as external insulation pipe, internal heating pipe and speed-increasing pipe, the problem of fluid solidification in the heat exchanger is solved, the anti-solidification effect is achieved, and the heat exchange efficiency and convenience are improved.

CN223295308UActive Publication Date: 2025-09-02TAIZHOU YUANWANG HEAT EXCHANGE EQUIP CO LTD
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Patent Information

Application Number
CN202422685898.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-09-02
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing heat exchangers are prone to fluid solidification at low temperatures, resulting in internal clogging, especially in the heat exchange process of low-temperature fluids, high-viscosity fluids or waxy fluids.

Method used

The structure design of the outer insulation pipe, inner heating pipe, electric heating wire and speed-increasing pipe is adopted to prevent the fluid from solidifying through heating and speed-increasing, and the fluid flowability is improved. It is combined with the polyurethane foam interlayer for insulation to prevent heat loss.

Benefits of technology

Effectively prevent the fluid from solidifying inside the heat exchanger, maintain efficient flow, improve heat exchange efficiency, save time, and improve use convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223295308U_ABST
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Abstract

The utility model discloses an anti-solidification heat exchanger, which relates to the technical field of heat exchangers and comprises an outer thermal insulation pipe, an inner heating pipe is arranged in the middle of the outer thermal insulation pipe, an electric heating wire is wound on the outer wall of the inner heating pipe, and a power supply box is arranged at the lower end of the outer thermal insulation pipe. Two sets of connecting pipes are arranged between the upper end of the power box and the lower end of the outer heat preservation pipe, a speed increasing pipe is arranged on one side of the outer heat preservation pipe, a flow inlet pipe is arranged at the upper end of the speed increasing pipe, a first flange connecting ring is arranged at the upper end of the flow inlet pipe, and a driving box is arranged at the rear end of the speed increasing pipe. And an arc-shaped fan blade is arranged at the front end of the driving box and in the speed increasing pipe. According to the anti-solidification heat exchanger, the inner pipe of the heat exchanger can be heated, some low-temperature fluid easy to solidify is prevented from being solidified in the inner pipe, the situation that the interior of the heat exchanger is blocked is prevented, the flow speed of the fluid can be increased, and the heat exchange efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to an anti-solidification heat exchanger. Background Art

[0002] A heat exchanger is a device used to transfer heat between two or more fluids at different temperatures, cooling the hot fluid and heating the cold fluid to meet process requirements.

[0003] When existing heat exchangers are exchanging heat for some fluids that are easy to solidify at low temperatures, highly viscous fluids, or fluids containing wax, the fluid may solidify inside the heat exchanger, causing blockage inside the heat exchanger, which has certain adverse effects on the use of the heat exchanger. In order to address the shortcomings of the existing technology, we propose an anti-solidification heat exchanger. Utility Model Content

[0004] The main purpose of the present invention is to provide an anti-solidification heat exchanger, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The heat exchanger of claim 1, wherein the heat exchanger has an outer insulation tube, an inner heating tube is arranged in the middle of the outer insulation tube, an electric heating wire is wound around the outer wall of the inner heating tube, a power supply box is arranged at the lower end of the outer insulation tube, two groups of connecting tubes are arranged between the upper end of the power supply box and the lower end of the outer insulation tube, a speed increasing tube is arranged on one side of the outer insulation tube, an inlet pipe is arranged at the upper end of the speed increasing tube, a No. 1 flange connecting ring is arranged at the upper end of the inlet pipe, a drive box is arranged at the rear end of the speed increasing tube, an arc-shaped fan blade is arranged at the front end of the drive box inside the speed increasing tube, a motor is arranged inside the drive box, a rotating shaft is arranged between the motor and the arc-shaped fan blade, a drain pipe is arranged at the front end of the outer insulation tube, a No. 2 flange connecting ring is arranged at the front end of the drain pipe, and support feet are arranged at the lower ends of the drive box and the power box.

[0007] Preferably, a connecting port is provided between the lower ends of the two groups of connecting pipes and the outer thermal insulation pipe, and the two groups of connecting pipes are detachably connected to the outer thermal insulation pipe through the provided connecting port.

[0008] Preferably, connecting ports are provided between the two ends of the heating wire and the two groups of connecting tubes respectively, and the two ends of the heating wire are detachably connected to the two ends of the connecting tubes respectively through the provided connecting ports.

[0009] Preferably, a polyurethane foam interlayer is provided in the middle of the inner wall of the outer thermal insulation pipe.

[0010] Preferably, the front end of the speed increasing tube and the rear end of the discharge tube are fixedly connected to the two ends of the internal heating tube respectively.

[0011] Preferably, a rotation interface is provided between the rotation shaft and the outer wall of the drive box, and the rotation shaft is rotationally connected to the outer wall of the drive box through the provided rotation interface.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. In the utility model, the outer insulation tube, inner heating tube, electric heating wire and power box are arranged to heat the fluid passing through the inner part of the electric heating wire, thereby increasing the temperature inside the electric heating wire, allowing some low-temperature fluids that are easy to solidify or contain wax to maintain a high fluidity, and will not solidify inside the inner heating tube. The inner heating tube maintains efficient permeability, making the heat exchange efficiency of the heat exchanger higher and more convenient for people to use. In addition, a polyurethane foam interlayer is arranged in the middle of the inner wall of the outer insulation tube, which can well insulate the heat exchanger, prevent heat loss inside the heat exchanger, and achieve better heating effect.

[0014] 2. In the present invention, the speed-increasing tube, arc-shaped fan blades and drive box can increase the flow rate of the fluid passing through the inner heating tube, allowing the fluid to flow faster from the middle of the inner heating tube, and can also make the heat exchanger more efficient in exchanging heat for the fluid, saving time and making the heat exchanger more convenient and efficient to use. Increasing the flow rate of the liquid in the middle of the inner heating tube can also further prevent the fluid from solidifying inside the inner heating tube, making the heat exchanger more effective in preventing solidification. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the disassembled structure of the heat exchanger of the present utility model;

[0017] Figure 3 This is a schematic diagram of the internal heating tube structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the arc-shaped fan blade connection structure of the present utility model.

[0019] In the figure: 1. External insulation pipe; 2. Power supply box; 3. Connecting pipe; 4. Speed ​​increasing pipe; 5. Inlet pipe; 6. Flange adapter No. 1; 7. Drive box; 8. Support foot; 9. Discharge pipe; 10. Flange adapter No. 2; 11. Internal heating pipe; 12. Arc-shaped fan blades; 13. Heating wire; 14. Rotating shaft; 15. Motor. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-Figure 3 As shown, an anti-solidification heat exchanger includes an outer insulation tube 1, a polyurethane foam interlayer is provided in the middle of the inner wall of the outer insulation tube 1, so that the outer insulation tube 1 has a better insulation effect, an inner heating tube 11 is provided in the middle of the outer insulation tube 1, and the fluid passes through the inner heating tube 11. The outer wall of the inner heating tube 11 is wrapped with a heating wire 13, and the heating wire 13 can heat the inner heating tube 11 to prevent the fluid from solidifying in the middle of the inner heating tube 11. A power box 2 is provided at the lower end of the outer insulation tube 1, and the power box 2 is used to power the heating wire 13. Two sets of connecting tubes 3 are provided between the upper end of the power box 2 and the lower end of the outer insulation tube 1, and the connecting tube 3 passes through the outer wall of the lower end of the outer insulation tube 1. The two ends of the heating wire 13 are respectively connected to two groups of connecting tubes 3, which are connected to the power box 2 through the two groups of connecting tubes 3. A speed-increasing tube 4 is provided on one side of the outer insulation tube 1. The speed-increasing tube 4 is used to increase the flow rate of the fluid passing through the middle of the inner heating tube 11. An inlet pipe 5 is provided at the upper end of the speed-increasing tube 4. The fluid enters the middle of the speed-increasing tube 4 from the inlet pipe 5. A No. 1 flange connecting ring 6 is provided at the upper end of the inlet pipe 5. The No. 1 flange connecting ring 6 is used to allow the inlet pipe 5 to be connected to the outside. A drive box 7 is provided at the rear end of the speed-increasing tube 4. The drive box 7 is used to drive the speed-increasing structure inside the speed-increasing tube 4. The lower ends of the drive box 7 and the power box 2 are provided with support feet 8, which are used to support the device.

[0022] like Figure 2-Figure 4 As shown, the front end of the drive box 7 is provided with an arc-shaped fan blade 12 inside the speed-increasing tube 4. The arc-shaped fan blade 12 can rotate in the middle of the speed-increasing tube 4 to increase the flow rate of the fluid in the middle of the speed-increasing tube 4. A motor 15 is provided inside the drive box 7. A rotating shaft 14 is provided between the motor 15 and the arc-shaped fan blade 12. The rotating shaft 14 is used to connect the arc-shaped fan blade 12 with the motor 15. A rotating interface is provided between the rear end of the rotating shaft 14 and the outer wall of the drive box 7. The rotating shaft 14 is rotatably connected to the outer wall of the drive box 7 through the provided rotating interface. The motor 15 can drive the arc-shaped fan blade 12 to rotate through the rotating shaft 14. A drain pipe 9 is provided at the front end of the outer insulation tube 1. The fluid inside the inner heating tube 11 is discharged from the drain pipe 9. A No. 2 flange ring 10 is provided at the front end of the drain pipe 9. The No. 2 flange ring 10 is used to connect the drain pipe 9 to the outside.

[0023] It should be noted that the utility model is an anti-solidification heat exchanger. When in use, the fluid enters the middle of the speed-increasing tube 4 from the inlet pipe 5, and then the motor 15 inside the driving box 7 is started. The arc-shaped fan blades 12 are driven by the rotating shaft 14 to rotate inside the speed-increasing tube 4, thereby increasing the flow rate of the fluid and accelerating the fluid to flow into the middle of the inner heating tube 11. The power supply inside the power box 2 supplies power to the heating wire 13 through two sets of connecting tubes 3. The heating wire 13 heats the inner heating tube 11 to prevent the fluid from solidifying in the middle of the inner heating tube 11, and then is discharged outward from the discharge pipe 9.

[0024] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An anti-solidification heat exchanger, comprising an outer insulation tube (1), characterized in that: An inner heating tube (11) is provided in the middle of the outer insulation tube (1), and an electric heating wire (13) is wound around the outer wall of the inner heating tube (11). A power supply box (2) is provided at the lower end of the outer insulation tube (1), and two groups of connecting tubes (3) are provided between the upper end of the power supply box (2) and the lower end of the outer insulation tube (1). A speed increasing tube (4) is provided on one side of the outer insulation tube (1), and an inlet tube (5) is provided at the upper end of the speed increasing tube (4). A No. 1 flange connecting ring (6) is provided at the upper end of the inlet tube (5). A drive box (7) is provided at the rear end of the tube (4), an arc-shaped fan blade (12) is provided at the front end of the drive box (7) inside the speed-increasing tube (4), a motor (15) is provided inside the drive box (7), a rotating shaft (14) is provided between the motor (15) and the arc-shaped fan blade (12), a discharge pipe (9) is provided at the front end of the outer insulation tube (1), a No. 2 flange connecting ring (10) is provided at the front end of the discharge pipe (9), and support feet (8) are provided at the lower ends of the drive box (7) and the power box (2).

2. The anti-solidification heat exchanger according to claim 1, characterized in that: A connecting port is provided between the lower ends of the two groups of connecting pipes (3) and the outer thermal insulation pipe (1), and the two groups of connecting pipes (3) are detachably connected to the outer thermal insulation pipe (1) via the provided connecting port.

3. The anti-solidification heat exchanger according to claim 1, characterized in that: Connecting ports are provided between the two ends of the heating wire (13) and the two groups of connecting tubes (3), and the two ends of the heating wire (13) are detachably connected to the two ends of the connecting tubes (3) through the provided connecting ports.

4. The anti-solidification heat exchanger according to claim 1, characterized in that: A polyurethane foam interlayer is provided in the middle of the inner wall of the outer thermal insulation pipe (1).

5. The anti-solidification heat exchanger according to claim 1, characterized in that: The front end of the speed increasing tube (4) and the rear end of the discharge tube (9) are respectively fixedly connected to the two ends of the internal heating tube (11).

6. The anti-freezing heat exchanger according to claim 1, characterized in that: A rotation interface is provided between the rotation shaft (14) and the outer wall of the drive box (7), and the rotation shaft (14) is rotationally connected to the outer wall of the drive box (7) via the provided rotation interface.