Gas-liquid separation type heat exchanger
By installing fans and laying condensate tubes on the heat exchanger housing, gas-liquid separation is achieved, which solves the problem that existing heat exchangers need to add additional gas-liquid separation devices to increase costs, and achieves efficient gas-liquid separation and reduces production costs.
Patent Information
- Application Number
- CN202420840659.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-20
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-20
AI Technical Summary
Existing heat exchangers require additional gas-liquid separation devices, increasing production costs.
A gas-liquid separation heat exchanger is designed. By installing a fan on the shell and laying a condenser tube, the gas-liquid separation function is achieved by using the condenser tube to cool the gas and separate the liquid, without the need for a separate gas-liquid separation equipment.
Through this design, the heat exchanger can achieve gas-liquid separation without adding additional equipment, reducing production costs and improving heat dissipation efficiency.
Smart Images
Figure CN222651682U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of heat exchangers, and in particular to a gas-liquid separation heat exchanger. Background Art
[0002] At present, heat exchangers are devices that transfer part of the heat of hot fluid to cold fluid, also known as heat exchangers. Heat exchangers can be used as heaters, coolers, condensers, evaporators and reboilers, etc., and are widely used.
[0003] The heat exchanger in the related art generally includes an outer shell and a heat exchange core installed in the outer shell, a plate-side flow channel is formed inside the heat exchange core, and a shell-side flow channel is formed outside the heat exchange core and the inner wall of the outer shell; the upper and lower ends of the outer shell are respectively provided with a first medium inlet pipe and a first medium outlet pipe connected to the shell-side flow channel; the left and right sides of the outer shell are respectively provided with a second medium inlet pipe and a second medium outlet pipe connected to the plate-side flow channel, the second medium outlet pipe is connected to a gas-liquid separation device, and the cooling medium flows from the first medium inlet pipe to the first medium outlet pipe. When the cooling medium flows in the shell-side flow channel, the steam is cooled by the cooling medium during the process of flowing from the second medium inlet pipe to the second medium outlet pipe, and after cooling, it enters the gas-liquid separation device to separate the gas and liquid.
[0004] In the related art, a gas-liquid separation device needs to be connected to the heat exchanger to achieve gas-liquid separation, and the additional gas-liquid separation device increases the cost. Utility Model Content
[0005] In order to reduce production costs, the present application provides a gas-liquid separation heat exchanger.
[0006] The present application provides a gas-liquid separation heat exchanger, which adopts the following technical solution:
[0007] A gas-liquid separation heat exchanger comprises a shell and a gas-liquid separation device, wherein the gas-liquid separation device comprises an air inlet pipe, an air outlet pipe, a drain pipeline and a plurality of condensing tubes. A through opening is provided on one side of the shell, in which a fan is provided. The air inlet pipe, the air outlet pipe and the drain pipeline are all fixedly connected to the shell, and one end of the air inlet pipe, the air outlet pipe and the drain pipeline are all outside the shell, and the condensing tube is inside the shell. The air inlet pipe and the air outlet pipe are both connected to the condensing tube, and an air outlet port and a drain port are respectively provided at both ends of the air outlet pipe, and the air outlet port is located higher than the drain port. A plurality of condensing tubes are evenly arranged between the air outlet port and the drain port, and the drain pipeline is connected to the air inlet pipe, and the end of the air outlet pipe away from the air outlet port is connected to the drain pipeline.
[0008] By adopting the above technical solution, a fan is installed on the shell to cool the condenser, and the gas flows from the air inlet pipe to the air outlet pipe. When passing through the condenser, the steam in the gas is cooled into liquid, and enters the air inlet pipe and the air outlet pipe along the condenser and then enters the drain pipe, so that the heat exchanger has a gas-liquid separation function, without the need to add a separate gas-liquid separation equipment, thereby reducing production costs.
[0009] Optionally, a plurality of heat sinks are evenly arranged between the air inlet pipe and the air outlet pipe, the condenser pipe is passed through the heat sink, and the condenser pipe is fixedly connected to the heat sink.
[0010] By adopting the above technical solution, heat sinks are added to increase the heat dissipation area, improve heat dissipation efficiency, and accelerate the condensation of steam.
[0011] Optionally, the condenser is bent in the middle, and the middle is higher than both ends.
[0012] By adopting the above technical solution, the condenser is bent into an obtuse angle, with the middle portion being higher than the two ends, so that the condensed liquid can flow from the condenser into the air inlet pipe and the air outlet pipe, thereby reducing the accumulation of condensed liquid in the condenser.
[0013] Optionally, the condenser is spiral-shaped, and a plurality of liquid guide tubes are provided on the liquid discharge pipeline, and the liquid guide tubes are connected to the lowest point of the spiral condenser.
[0014] By adopting the above technical solution, the spiral shape increases the cooling area of the condenser, and the liquid guide tube is connected at the lowest point of the spiral condenser, so that the condensed liquid in the condenser enters the drainage pipeline along the liquid guide tube, reducing the accumulation of condensed liquid in the condenser.
[0015] Optionally, the drainage pipeline includes a first drainage pipe, a second drainage pipe and a third drainage pipe, and a tee is provided at the junction of the first drainage pipe, the second drainage pipe and the third drainage pipe, the first drainage pipe, the second drainage pipe and the third drainage pipe are connected by the tee, the first drainage pipe is connected to the air inlet pipe at one end away from the tee, and the second drainage pipe is connected to the air outlet pipe at one end away from the tee.
[0016] By adopting the above technical solution, the drain pipe is divided into three parts: the first drain pipe, the second drain pipe and the third drain pipe. The three-way pipe connects the first drain pipe, the second drain pipe and the third drain pipe, making it convenient to replace pipes of different shapes and sizes to adapt to different installation environments.
[0017] Optionally, a first solenoid valve is provided at one end of the third liquid discharge pipe away from the three-way pipe, a water pipe is provided at one end of the first solenoid valve, and a water tank is provided at one end of the water pipe.
[0018] By adopting the above technical solution, the water tank is used to store the separated liquid, and the first solenoid valve can control the flow of the liquid.
[0019] Optionally, the air outlet pipe is provided with a return pipe and a second solenoid valve in sequence along the direction extending out of the shell, the return pipe is connected between the air outlet pipe and the air inlet pipe, and the return pipe is provided with a one-way valve for gas to flow from the air outlet pipe to the air inlet pipe.
[0020] By adopting the above technical solution, the second solenoid valve is closed, so that the steam that has not been completely cooled enters the air inlet pipe along the return pipe and condenses again. The one-way valve can control the steam to only enter the air inlet pipe from the outlet pipe along the return pipe.
[0021] Optionally, a fixing frame is provided on one side of the shell.
[0022] By adopting the above technical solution, the fixing bracket can enable the heat exchanger to be installed in different places.
[0023] In summary, the present application includes at least one of the following beneficial technical effects:
[0024] 1. Fans are installed on the shell to cool the condenser. The gas flows from the air inlet pipe to the air outlet pipe. When passing through the condenser, the steam in the gas is cooled into liquid, and enters the air inlet pipe and the air outlet pipe along the condenser and then enters the liquid discharge pipe, so that the heat exchanger has the function of gas-liquid separation. There is no need to add a separate gas-liquid separation device, which reduces the production cost;
[0025] 2. Add heat sink to increase the heat dissipation area, improve heat dissipation efficiency, and speed up the condensation of steam;
[0026] 3. Bend the condenser into an obtuse angle, with the middle higher than the two ends, to facilitate the condensed liquid to flow from the condenser into the air inlet and outlet pipes, reducing the accumulation of condensed liquid in the condenser. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a schematic diagram of the overall structure of Example 1.
[0028] Figure 2 It is a schematic diagram of the structure of the gas-liquid separation equipment in Example 1.
[0029] Figure 3 It is a schematic diagram of the structure of the gas-liquid separation equipment in Example 2.
[0030] Figure 4 It is a schematic diagram of the structure of the gas-liquid separation equipment in Example 3.
[0031] Explanation of the reference numerals in the accompanying drawings: 1. Shell; 2. Gas-liquid separation equipment; 21. Air inlet pipe; 22. Air outlet pipe; 221. Air outlet; 222. Liquid discharge port; 223. Second solenoid valve; 23. Liquid discharge pipeline; 231. First liquid discharge pipe; 232. Second liquid discharge pipe; 233. Third liquid discharge pipe; 2331. First solenoid valve; 234. Three-way pipe; 24. Condenser; 3. Fan; 4. Heat sink; 5. Liquid guide pipe; 6. Return air pipe; 61. One-way valve; 7. Water pipe; 8. Water tank; 9. Fixing bracket. DETAILED DESCRIPTION
[0032] The present application is further described in detail below in conjunction with all the accompanying drawings.
[0033] Example 1
[0034] The embodiment of the present application discloses a gas-liquid separation heat exchanger.
[0035] Reference Figure 1 and Figure 2 A gas-liquid separation heat exchanger includes a shell 1 and a gas-liquid separation device 2. The gas-liquid separation device 2 includes an air inlet pipe 21, an air outlet pipe 22, a liquid discharge pipeline 23 and a plurality of condensing pipes 24. The air inlet pipe 21 and the air outlet pipe 22 are both connected to the condensing pipe 24. A through hole is opened on one side of the shell 1, and a fan 3 is installed in the through hole. The condensing pipe 24 is cooled by the fan 3. When in use, the gas enters from the air inlet pipe 21, enters the air outlet pipe 22 after being cooled by the condensing pipe 24, and the liquid separated after the gas is condensed enters the air inlet pipe 21 and the air outlet pipe 22 from the condensing pipe 24, and then enters the liquid discharge pipeline 23 from the air inlet pipe 21 and the air outlet pipe 22. The function of gas-liquid separation can be realized without adding a gas-liquid separation device 2 separately, thereby reducing the production cost.
[0036] Reference Figure 1 and Figure 2 The air inlet pipe 21, the air outlet pipe 22, and the drain pipe 23 are all fixedly connected to the shell 1, and one end of the air inlet pipe 21, the air outlet pipe 22, and the drain pipe 23 are all outside the shell 1. The condenser 24 is inside the shell 1. The two ends of the air outlet pipe 22 are respectively provided with an air outlet 221 and a drain port 222. The position of the air outlet 221 is higher than the drain port 222. Several condensers 24 are evenly arranged between the air outlet 221 and the drain port 222. The drain pipe 23 is connected to the air inlet pipe 21, and the end of the air outlet pipe 22 away from the air outlet 221 is connected to the drain pipe 23, which can reduce the gas entering the drain pipe 23 and allow the liquid to enter the drain pipe 23 only.
[0037] Reference Figure 2A number of heat sinks 4 are evenly arranged between the air inlet pipe 21 and the air outlet pipe 22. A through hole corresponding to the condenser 24 is opened on the heat sink 4. The condenser 24 passes through the through hole and is fixedly connected to the heat sink 4. By adding the heat sink 4, the heat dissipation area of the condenser 24 is increased, the heat dissipation efficiency is improved, and the condensation of steam is accelerated.
[0038] Reference Figure 1 and Figure 2 The drain pipe includes a first drain pipe 231, a second drain pipe 232 and a third drain pipe 233. A water tank 8 for recovering cooling liquid is installed next to the heat exchanger. A water inlet pipe 7 is provided on the water tank 8. A tee pipe 234 is provided at the intersection of the first drain pipe 231, the second drain pipe 232 and the third drain pipe 233. The end of the first drain pipe 231 away from the tee pipe 234 is connected to the air inlet pipe 21, and the end of the second drain pipe 232 away from the tee pipe 234 is connected to the air outlet pipe 22. The first drain pipe 231, the second drain pipe 232 and the third drain pipe 233 are connected. It is connected through a three-way pipe 234, and the third drain pipe 233 is connected to the water inlet pipe 7 at one end away from the three-way pipe 234 through the first solenoid valve 2331. When in use, the gas closes the first solenoid valve 2331 during the cooling process, and the gas and liquid cannot enter the water tank 8 through the water pipe 7 together. After cooling is completed, the gas is discharged from the air outlet 221, and the first solenoid valve 2331 is opened, and the liquid flows into the water tank 8. The drain pipe is divided into three parts: the first drain pipe 231, the second drain pipe 232 and the third drain pipe 233, which is also convenient for replacing pipes of different shapes and sizes to adapt to different installation environments.
[0039] Reference Figure 1 , a return air pipe 6 and a second solenoid valve 223 are provided in sequence along the direction extending out of the shell 1 on the outlet pipe 22, and the return air pipe 6 is connected between the outlet pipe 22 and the inlet pipe 21. The user controls the switch of the outlet pipe 22 by controlling the second solenoid valve 223. During use, when the condensed gas is insufficient, the second solenoid valve 223 is closed, so that the gas cannot be discharged from the outlet port 221, and can only enter the inlet pipe 21 again along the return air pipe 6, and enter the outlet pipe 22 from the inlet pipe 21 along the condensation pipe 24 again. The second solenoid valve 223 is opened, and the gas is discharged from the outlet port 221. In order to prevent the gas in the outlet pipe 22 from entering the outlet pipe 22 along the return air pipe 6, a one-way valve 61 for the gas to flow from the outlet pipe 22 to the inlet pipe 21 is provided on the return air pipe 6.
[0040] Reference Figure 1 A fixing frame 9 is provided on one side of the housing 1. A groove can be provided on the fixing frame 9 to facilitate the installation of the drainage pipeline 23. The fixing frame 9 can also be provided in a variety of shapes and sizes to adapt to different installation scenarios.
[0041] The implementation principle of a gas-liquid separation heat exchanger in an embodiment of the present application is as follows: when in use, first close the first solenoid valve 2331 and the second solenoid valve 223, and the gas enters from the air inlet pipe 21, and enters the air outlet pipe 22 along the condenser 24. When circulating in the condenser 24, turn on the fan 3 to cool the condenser 24. Since the first solenoid valve 2331 and the second solenoid valve 223 are closed, the gas cannot be discharged from the heat exchanger. When the gas is completely cooled after circulating in the heat exchanger several times, open the second solenoid valve 223 to discharge the gas from the air outlet 221, and then open the first solenoid valve 2331 to discharge the liquid into the water tank 8.
[0042] Example 2
[0043] Reference Figure 3 The difference between this embodiment and embodiment 1 is that the condenser tube 24 is bent in the middle and the middle is higher than the two ends, so that the condensed liquid flows from the condenser tube 24 into the air inlet pipe 21 and the air outlet pipe 22, thereby reducing the accumulation of condensed liquid in the condenser tube 24.
[0044] Example 3
[0045] Reference Figure 4 The difference between this embodiment and embodiment 1 is that the condenser 24 is bent into a spiral shape, and the gas spirally moves forward in the condenser 24 to increase the cooling area of the condenser 24. When in use, the liquid generated after the gas is cooled accumulates at the lowest point of the condenser 24. By providing a plurality of liquid guide tubes 5 on the drainage pipeline 23, the liquid guide tubes 5 are connected to the lowest point of the spiral condenser 24, so that the liquid accumulated at the lowest point of the condenser 24 enters the drainage pipeline 23 along the liquid guide tubes 5.
[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A gas-liquid separation heat exchanger, comprising a shell (1) and a gas-liquid separation device (2), characterized in that: The gas-liquid separation device (2) comprises an air inlet pipe (21), an air outlet pipe (22), a liquid discharge pipe (23) and a plurality of condensing pipes (24); a through opening is provided on one side of the shell (1); a fan (3) is provided in the through opening; the air inlet pipe (21), the air outlet pipe (22) and the liquid discharge pipe (23) are all fixedly connected to the shell (1); one end of the air inlet pipe (21), the air outlet pipe (22) and the liquid discharge pipe (23) are outside the shell (1); the condensing pipe (24) is inside the shell (1); The air pipe (21) and the air outlet pipe (22) are both connected to the condenser pipe (24); an air outlet (221) and a liquid discharge port (222) are respectively provided at both ends of the air outlet pipe (22); the air outlet (221) is located higher than the liquid discharge port (222); a plurality of condenser pipes (24) are evenly arranged between the air outlet (221) and the liquid discharge port (222); the liquid discharge pipeline (23) is connected to the air inlet pipe (21); and the end of the air outlet pipe (22) away from the air outlet (221) is connected to the liquid discharge pipeline (23).
2. A gas-liquid separation heat exchanger according to claim 1, characterized in that: A plurality of heat sinks (4) are evenly arranged between the air inlet pipe (21) and the air outlet pipe (22), the condenser pipe (24) is passed through the heat sink (4), and the condenser pipe (24) is fixedly connected to the heat sink (4).
3. The gas-liquid separation heat exchanger according to claim 1, characterized in that: The condenser tube (24) is bent in the middle, with the middle being higher than both ends.
4. The gas-liquid separation heat exchanger according to claim 1, characterized in that: The condenser (24) is spiral-shaped, and a plurality of liquid guide tubes (5) are provided on the liquid discharge pipeline (23), wherein the liquid guide tubes (5) are connected to the lowest point of the spiral condenser (24).
5. The gas-liquid separation heat exchanger according to claim 1, characterized in that: The liquid discharge pipeline (23) comprises a first liquid discharge pipe (231), a second liquid discharge pipe (232) and a third liquid discharge pipe (233); a three-way pipe (234) is provided at the intersection of the first liquid discharge pipe (231), the second liquid discharge pipe (232) and the third liquid discharge pipe (233); the first liquid discharge pipe (231), the second liquid discharge pipe (232) and the third liquid discharge pipe (233) are connected via the three-way pipe (234); an end of the first liquid discharge pipe (231) away from the three-way pipe (234) is connected to the air inlet pipe (21); and an end of the second liquid discharge pipe (232) away from the three-way pipe (234) is connected to the air outlet pipe (22).
6. The gas-liquid separation heat exchanger according to claim 5, characterized in that: A first solenoid valve (2331) is provided at one end of the third liquid discharge pipe (233) away from the three-way pipe (234), a water pipe (7) is provided at one end of the first solenoid valve (2331), and a water tank (8) is provided at one end of the water pipe (7).
7. The gas-liquid separation heat exchanger according to claim 1, characterized in that: The air outlet pipe (22) is provided with an air return pipe (6) and a second solenoid valve (223) in sequence along a direction extending outward from the housing (1); the air return pipe (6) is connected between the air outlet pipe (22) and the air inlet pipe (21); the air return pipe (6) is provided with a one-way valve (61) for gas to flow from the air outlet pipe (22) to the air inlet pipe (21).
8. The gas-liquid separation heat exchanger according to claim 1, characterized in that: A fixing frame (9) is provided on one side of the housing (1).