Improved high-temperature gas-liquid tubular heat exchanger

Abstract

The utility model discloses an improved high-temperature gas-liquid tubular heat exchanger which comprises a heat exchanger shell, one end of the side face of the heat exchanger shell is fixedly connected with a gas inlet pipe and a liquid inlet pipe, the other end of the side face of the heat exchanger shell is fixedly connected with a gas outlet pipe and a liquid outlet pipe, and multiple sets of heat dissipation through holes are formed in the two sides and the lower portion of the heat exchanger shell. Four groups of soft cushions are fixedly connected below the heat exchanger shell; according to the utility model, through the double-spiral design of the high-temperature gas heat exchange tube and the cooling liquid heat exchange tube, the length of the heat exchange tubes is greatly increased, the contact area between the heat exchange tubes is increased, the curve is smoother, the deposition and blockage of dirt in the tube are reduced, the possibility of fluid blockage is reduced, and the service life of the tube is prolonged. Meanwhile, vortex and vibration of fluid in the pipeline are reduced through the design, mechanical noise can be greatly reduced through cooperation with the damping support, the fatigue problem is reduced, the stability of the pipeline structure is enhanced, and the service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of tubular heat exchanger equipment, in particular to an improved high-temperature gas-liquid tubular heat exchanger. Background Art

[0002] Most of the existing high-temperature gas-liquid tube heat exchangers adopt a U-shaped tube structure. Such a design easily accumulates dirt on the inner wall of the pipe, and the tube body is mostly integrally formed and difficult to clean. Long-term use will greatly reduce the heat exchange efficiency and shorten the service life of the heat exchanger. At the same time, such a design is prone to vibration and noise, which will damage the tube body and affect the stability of equipment operation. Therefore, an improved high-temperature gas-liquid tube heat exchanger is provided to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide an improved high-temperature gas-liquid tube heat exchanger in order to solve the problems raised by the above-mentioned background technology. The spiral shape design reduces the deposition and blockage of dirt in the pipeline, reduces the eddy current and vibration of the fluid, reduces mechanical noise, reduces fatigue problems, and enhances the stability of the pipeline structure, thereby solving the problems raised by the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an improved high-temperature gas-liquid tube heat exchanger, comprising: a heat exchanger shell, one end of the side surface of the heat exchanger shell is fixedly connected with an air inlet pipe and a liquid inlet pipe, the other end of the side surface of the heat exchanger shell is fixedly connected with an air outlet pipe and a liquid outlet pipe, both sides and the bottom of the heat exchanger shell are provided with multiple groups of heat dissipation through holes, four groups of soft pads are fixedly connected at the bottom of the heat exchanger shell, a heat exchange inner cavity is provided inside the heat exchanger shell, a high-temperature gas heat exchange tube and a coolant heat exchange tube are arranged in the heat exchange inner cavity, the high-temperature gas heat exchange tube and the coolant heat exchange tube are fixedly connected with heat-conducting silica gel on the outside, a heat-insulating sleeve is provided on the outside of the heat-conducting silica gel, a shock-absorbing bracket is fixedly connected to the inside of the heat exchange inner cavity below the heat-insulating sleeve, and a heat dissipation fan is fixedly connected to both ends of the inner side of the heat exchange inner cavity;

[0005] The shock-absorbing bracket includes a bracket base plate, two groups of limit clamps are fixedly connected above the bracket base plate, a damping rod is fixedly connected to the inner side of the limit clamps above the bracket base plate, a support spring is sleeved on the outer side of the damping rod, an arc-shaped support frame is arranged above the damping rod, and two groups of limit grooves are opened below the arc-shaped support frame.

[0006] As a further solution of the utility model: the air inlet pipe and the liquid inlet pipe are both fixedly connected with a fluid distributor, and the air inlet pipe and the liquid inlet pipe are respectively connected with four groups of high-temperature gas heat exchange pipes and four groups of coolant heat exchange pipes on the inner side of the heat exchange cavity through the fluid distributor fixedly connected to the heat exchanger shell.

[0007] As a further solution of the utility model: the high-temperature gas heat exchange tubes and the coolant heat exchange tubes are arranged in four groups, and each group of the high-temperature gas heat exchange tubes is tightly attached to the coolant heat exchange tubes.

[0008] As a further solution of the utility model: the cooling fans are arranged in four groups, which are fixedly connected in the heat exchange cavity near the heat dissipation holes on both sides of the heat exchanger shell, and the cooling fans are connected to an external power supply through electric wires.

[0009] As a further solution of the utility model: the limit card plate is adapted to the limit slot, the limit card plate is shaped as a hollow rectangle, and the limit card plate is slidably connected to the limit slot.

[0010] As a further solution of the utility model: the damping rod and the supporting spring are provided in eight groups, which are symmetrically arranged at both ends of the bracket bottom plate, and the other end of the damping rod is fixedly connected in the limiting groove.

[0011] As a further solution of the utility model: there are eight groups of arc-shaped support frames, which are arranged below the two ends of each group of thermal insulation sleeves. The arc-shaped support frames are made of silicone material and the curvature of the upper part is adapted to the thermal insulation sleeves.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, the double-helix design of the high-temperature gas heat exchange tube and the coolant heat exchange tube greatly prolongs the length of the heat exchange tube, increases the contact area between the heat exchange tubes, and makes the curve smoother, reduces the deposition and blockage of dirt in the pipe, and helps to reduce the possibility of fluid blockage. At the same time, such a design reduces the eddy current and vibration of the fluid in the pipe. The shock-absorbing bracket with a support spring and a damping rod can greatly reduce mechanical noise, reduce fatigue problems, enhance the stability of the pipe structure, and extend the life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a second perspective structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure inside the heat exchange cavity of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the position-limiting card plate in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the limiting groove in the utility model.

[0019] In the figure: 1. heat exchanger shell; 2. air inlet pipe; 3. liquid inlet pipe; 4. air outlet pipe; 5. liquid outlet pipe; 6. heat dissipation through hole; 7. soft cushion; 8. heat exchange inner cavity; 9. high-temperature gas heat exchange tube; 10. coolant heat exchange tube; 11. thermal conductive silica gel; 12. thermal insulation sleeve; 13. shock-absorbing bracket; 131. bracket bottom plate; 132. limit card plate; 133. damping rod; 134. support spring; 135. arc support frame; 136. limit groove; 14. cooling fan. DETAILED DESCRIPTION

[0020] 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.

[0021] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" 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 directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0022] Reference Figures 1 to 5In the embodiment of the utility model, an improved high-temperature gas-liquid tube heat exchanger includes: a heat exchanger shell 1, one end of the side of the heat exchanger shell 1 is fixedly connected with an air inlet pipe 2 and a liquid inlet pipe 3, the other end of the side of the heat exchanger shell 1 is fixedly connected with an air outlet pipe 4 and a liquid outlet pipe 5, a plurality of heat dissipation through holes 6 are provided on both sides and below the heat exchanger shell 1, four groups of soft pads 7 are fixedly connected below the heat exchanger shell 1, a heat exchange inner cavity 8 is provided inside the heat exchanger shell 1, a high-temperature gas heat exchange tube 9 and a coolant heat exchange tube 10 are arranged in the heat exchange inner cavity 8, and the outside of the high-temperature gas heat exchange tube 9 and the coolant heat exchange tube 10 are fixedly connected with heat-conducting silica gel 11, and the heat-conducting The outer sleeve of the silica gel 11 is provided with a heat-insulating sleeve 12, and the inner side of the heat exchange cavity 8 is fixedly connected to a shock-absorbing bracket 13 below the heat-insulating sleeve 12. The two ends of the inner side of the heat exchange cavity 8 are fixedly connected to cooling fans 14. The air inlet pipe 2 and the liquid inlet pipe 3 are fixedly connected to a fluid distributor, so that the gas and liquid evenly enter the high-temperature gas heat exchange pipe 9 and the coolant heat exchange pipe 10. The air inlet pipe 2 and the liquid inlet pipe 3 are connected to the four groups of high-temperature gas heat exchange pipes 9 and the four groups of coolant heat exchange pipes 10 on the inner side of the heat exchange cavity 8 through the fluid distributor fixedly connected to the heat exchanger shell 1. The number of high-temperature gas heat exchange pipes 9 and coolant heat exchange pipes 10 is four. Each group of high-temperature gas heat exchange tubes 9 is in close contact with the coolant heat exchange tubes 10, increasing the contact area and improving the heat exchange efficiency. There are four groups of cooling fans 14, which are fixedly connected to the heat exchange inner cavity 8 near the heat dissipation holes 6 on both sides of the heat exchanger shell 1. The cooling fan 14 is connected to an external power supply through wires. The shock-absorbing bracket 13 includes a bracket bottom plate 131, and two groups of limiting card plates 132 are fixedly connected above the bracket bottom plate 131. A damping rod 133 is fixedly connected to the inner side of the limiting card plate 132 above the bracket bottom plate 131. A support spring 134 is sleeved on the outer side of the damping rod 133, and an arc-shaped support is arranged above the damping rod 133. The arc-shaped support frame 135 has two groups of limit grooves 136 below it, the limit card plate 132 is matched with the limit groove 136, the limit card plate 132 is shaped as a hollow rectangle, the limit card plate 132 is slidably connected with the limit groove 136, the damping rod 133 and the support spring 134 are provided in eight groups, which are symmetrically arranged at both ends of the bracket bottom plate 131, and the other end of the damping rod 133 is fixedly connected in the limit groove 136. The arc-shaped support frame 135 has eight groups, which are arranged below both ends of each group of thermal insulation sleeves 12, and the arc-shaped support frame 135 is made of silicone material and the curvature of the upper side is matched with the thermal insulation sleeve 12.

[0023] The working principle of the utility model is: the high-temperature gas and the coolant enter the heat exchanger through the air inlet pipe 2 and the liquid inlet pipe 3 respectively, and the air inlet pipe 2 and the liquid inlet pipe 3 are evenly distributed to the high-temperature gas heat exchange pipe 9 and the coolant heat exchange pipe 10 through a fixedly connected fluid distributor;

[0024] The high-temperature gas and the coolant exchange heat in the heat exchange inner cavity 8 through the high-temperature gas heat exchange tube 9 and the coolant heat exchange tube 10 to achieve heat transfer. The high-temperature gas heat exchange tube 9 and the coolant heat exchange tube 10 are in close contact with each other to increase the contact area and improve the heat exchange efficiency. The double-helix design of the high-temperature gas heat exchange tube 9 and the coolant heat exchange tube 10 greatly extends the length of the heat exchange tube and increases the contact area between the heat exchange tubes. At the same time, the curve is smoother, which reduces the deposition and blockage of dirt in the pipeline, helps to reduce the possibility of fluid blockage, and reduces the vortex and vibration of the fluid in the pipeline, thereby reducing mechanical noise, fatigue problems, and enhancing the stability of the pipeline structure, extending the life of the equipment;

[0025] The high-temperature gas heat exchange tube 9 and the coolant heat exchange tube 10 are fixedly connected to the outside with a heat-conducting silica gel 11 to assist heat exchange. The outside of the heat-conducting silica gel 11 is provided with a heat-insulating sleeve 12 to prevent heat loss, maintain heat exchange efficiency, and ensure effective heat exchange in a high-temperature environment;

[0026] A shock-absorbing bracket 13 is fixedly connected to the inner side of the heat exchange cavity 8 below the thermal insulation sleeve 12, which is used to dampen and support the high-temperature gas heat exchange tube 9 and the coolant heat exchange tube 10 arranged inside the thermal insulation sleeve 12, so as to reduce the influence of equipment vibration and vibration on the system stability and protect the normal operation of the heat exchanger;

[0027] Cooling fans 14 are fixedly connected to both ends of the inner side of the heat exchange cavity 8 and are connected to an external power supply through wires. These fans help to dissipate heat and are used to accelerate the dissipation of heat inside the heat exchange cavity 8 to keep the system operating within a suitable temperature range.

[0028] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An improved high-temperature gas-liquid tube heat exchanger, characterized in that: include: A heat exchanger shell (1), wherein one end of the side of the heat exchanger shell (1) is fixedly connected to an air inlet pipe (2) and a liquid inlet pipe (3), and the other end of the side of the heat exchanger shell (1) is fixedly connected to an air outlet pipe (4) and a liquid outlet pipe (5), a plurality of groups of heat dissipation through holes (6) are provided on both sides and below the heat exchanger shell (1), four groups of soft pads (7) are fixedly connected below the heat exchanger shell (1), and a heat exchange inner cavity (8) is provided inside the heat exchanger shell (1), and the heat exchange inner cavity (8) is provided with a high-temperature gas heat exchange tube (9) and a coolant heat exchange tube (10), the high-temperature gas heat exchange tube (9) and the coolant heat exchange tube (10) are fixedly connected to the outside of a heat-conducting silica gel (11), the outside of the heat-conducting silica gel (11) is sleeved with a heat-insulating sleeve (12), the inside of the heat exchange inner cavity (8) is fixedly connected to a shock-absorbing bracket (13) below the heat-insulating sleeve (12), and the two ends of the inside of the heat exchange inner cavity (8) are fixedly connected to a heat dissipation fan (14); The shock-absorbing bracket (13) comprises a bracket bottom plate (131), two groups of limiting clamping plates (132) are fixedly connected above the bracket bottom plate (131), a damping rod (133) is fixedly connected inside the limiting clamping plates (132) above the bracket bottom plate (131), a supporting spring (134) is sleeved on the outer side of the damping rod (133), an arc-shaped supporting frame (135) is arranged above the damping rod (133), and two groups of limiting grooves (136) are opened below the arc-shaped supporting frame (135); The air inlet pipe (2) and the liquid inlet pipe (3) are both fixedly connected to a fluid distributor, and the air inlet pipe (2) and the liquid inlet pipe (3) are respectively connected to four groups of high-temperature gas heat exchange pipes (9) and four groups of coolant heat exchange pipes (10) on the inner side of the heat exchange inner cavity (8) through the fluid distributor fixedly connected to the heat exchanger shell (1); The high-temperature gas heat exchange tubes (9) and the coolant heat exchange tubes (10) are each provided in four groups, each group of the high-temperature gas heat exchange tubes (9) is closely attached to the coolant heat exchange tubes (10), and the high-temperature gas heat exchange tubes (9) and the coolant heat exchange tubes (10) are designed in a double helix form.

2. The improved high-temperature gas-liquid tube heat exchanger according to claim 1, characterized in that: The cooling fans (14) are arranged in four groups and are fixedly connected in the heat exchange inner cavity (8) near the heat dissipation holes (6) on both sides of the heat exchanger shell (1). The cooling fans (14) are connected to an external power supply via electric wires.

3. The improved high-temperature gas-liquid tube heat exchanger according to claim 1, characterized in that: The limiting card plate (132) is adapted to the limiting groove (136); the limiting card plate (132) is shaped as a hollow rectangle; and the limiting card plate (132) is slidably connected to the limiting groove (136).

4. The improved high-temperature gas-liquid tube heat exchanger according to claim 1, characterized in that: The damping rod (133) and the supporting spring (134) are provided in eight groups, which are symmetrically arranged at two ends of the bracket bottom plate (131), and the other end of the damping rod (133) is fixedly connected in the limiting groove (136).

5. The improved high-temperature gas-liquid tube heat exchanger according to claim 1, characterized in that: The arc-shaped support frames (135) are provided in eight groups and are arranged below the two ends of each group of the thermal insulation sleeves (12). The arc-shaped support frames (135) are made of silica gel and the curvature of the upper side is adapted to the thermal insulation sleeves (12).

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