Automatic steam-water heat exchange unit
By introducing a filter screen and a circulating water pump into the automated steam-water heat exchanger unit, the problem of impurities in the water clogging the shell-and-tube heat exchanger is solved, realizing the recycling of water and the effective removal of impurities, thereby improving the heat exchange effect and equipment life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-03
AI Technical Summary
During operation, existing heat exchange units often experience reduced performance due to impurities in the water clogging the shell-and-tube heat exchangers.
An automated steam-water heat exchanger unit was designed, which includes a filter screen in the water supply tank to filter the water source, a controller to control the circulating water pump to circulate the water, and uses the impurities on the surface of the filter screen to wash away impurities and ensure the service life of the shell-and-tube heat exchanger.
By recycling water and effectively removing impurities, the performance of the heat exchange unit is improved, the lifespan of the shell-and-tube heat exchanger is extended, and water resources are saved.
Smart Images

Figure CN223965944U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of heat exchanger technology, specifically relating to an automated steam-water heat exchanger unit. Background Technology
[0002] A heat exchanger is a device that transfers some of the heat from a hot fluid to a cold fluid; it is also called a heat exchanger. Heat exchangers play a vital role in chemical, petroleum, power, food, and many other industrial production processes. In chemical production, heat exchangers serve as heaters, coolers, condensers, evaporators, and reboilers, and are widely used. A heat exchanger is an energy-saving device that facilitates heat transfer between two or more fluids at different temperatures. It transfers heat from a higher-temperature fluid to a lower-temperature fluid, bringing the fluid temperature to the specified parameters to meet process requirements. It is also one of the main devices for improving energy efficiency. The heat exchanger industry involves nearly 30 industries, including HVAC, pressure vessels, wastewater treatment equipment, chemicals, and petroleum. Modern engineering pursues high efficiency, and to reduce installation time and fully utilize land resources, a series of heat exchanger units have been developed to meet the heating, air conditioning, and domestic hot water needs of various industries. However, current heat exchanger units have relatively limited functionality. Because they require water heat exchange, impurities in the water can easily clog shell-and-tube heat exchangers during continuous use, reducing the efficiency of the heat exchanger unit. Therefore, an automated steam-water heat exchanger unit is needed. Utility Model Content
[0003] To address the problems mentioned in the background art, this utility model provides an automated steam-water heat exchanger unit, which solves the problem that current heat exchanger units have relatively simple functions during use. As they need to exchange heat with water, impurities in the water can easily clog the shell-and-tube heat exchanger during continuous use, reducing the effectiveness of the heat exchanger unit.
[0004] To achieve the above objectives, this utility model provides the following technical solution: an automated steam-water heat exchanger unit, comprising a base, a mounting seat on the top of the base, a support column fixedly mounted on the top of the mounting seat, a shell-and-tube heat exchanger fixedly connected to one end of the support column, a water inlet pipe fixedly mounted on the top of the shell-and-tube heat exchanger, a connecting pipe fixedly connected to one end of the water inlet pipe, a connector fixedly connected to one end of the connecting pipe, a makeup water tank fixedly mounted on one side of the upper surface of the base, a water pump fixedly mounted on one side of the makeup water tank, a drain pipe connected to the output end of the water pump, a hot water pipe fixedly mounted on the bottom of the shell-and-tube heat exchanger, a connector fixedly connected to one end of the hot water pipe, a water guide pipe fixedly connected to one end of the connector, and the base... A return water tank is fixedly installed on the upper surface of the base. A drain pipe is fixedly installed on one side of the return water tank. A temperature detector is fixedly installed on the upper surface of the return water tank. A condensate pump is fixedly installed on one side of the top of the base. One end of the condensate pump is fixedly connected to an extraction pipe, and the other end of the condensate pump is fixedly connected to a condensate pipe. A condensate tank is fixedly installed on the other side of the top of the base. A condensate outlet pipe is fixedly installed on one side of the condensate tank. A circulating water pump is fixedly installed on the surface of the return water tank. The output end of the circulating water pump is connected to a circulating water pipe. A filter screen is fixedly installed on the inner wall of the makeup water tank. A drain pipe is fixedly installed on the surface of the makeup water tank. A water injection pipe is fixedly installed on the upper surface of the makeup water tank. A controller is fixedly installed on the surface of the base.
[0005] Preferably, the surface of the mounting base is provided with bolts, and the mounting base is connected to the base by bolts.
[0006] Preferably, one end of the drain pipe is connected to the connector.
[0007] Preferably, one end of the water pipe is connected to the return water tank, and one end of the circulating water pipe is connected to the replenishment water tank.
[0008] Preferably, the controller is electrically connected to the shell-and-tube heat exchanger, and the controller is electrically connected to the water pump, condensate pump and circulating water pump respectively.
[0009] Preferably, the surface of the sewage pipe is provided with a control valve, and the surface of the water injection pipe is provided with a sealing cap.
[0010] Preferably, a steam pipe is fixedly installed on the surface of the shell-and-tube heat exchanger, and a steam valve is provided on the surface of the steam pipe.
[0011] Preferably, one end of the extraction pipe is connected to the shell-and-tube heat exchanger, and one end of the condensate pipe is connected to the condensate tank.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] As water enters the makeup water tank, the filter screen inside filters the water, intercepting impurities. The controller starts the circulating water pump, which draws cooler water from the return water tank and discharges it into the makeup water tank through the circulating water pipe, allowing the water to be recycled and conserving water resources. The recycled water also washes the surface of the filter screen, removing impurities that are then discharged through the drain pipe. This ensures effective water filtration, extends the lifespan of the shell-and-tube heat exchanger, and improves the overall performance of the heat exchange unit. Attached Figure Description
[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0015] Figure 1 This is a first three-dimensional structural diagram of the present invention;
[0016] Figure 2 This is a second three-dimensional structural diagram of the present invention;
[0017] Figure 3 This is a third perspective view of the present invention;
[0018] Figure 4 This is a three-dimensional sectional view of the water replenishment tank of this utility model.
[0019] In the diagram: 1. Base; 2. Mounting base; 3. Support column; 4. Shell-and-tube heat exchanger; 5. Inlet pipe; 6. Connecting pipe; 7. Connector; 8. Make-up water tank; 9. Water pump; 10. Drain pipe; 11. Hot water pipe; 12. Connector; 13. Return water tank; 14. Water guide pipe; 15. Discharge pipe; 16. Temperature detector; 17. Condensate pump; 18. Extraction pipe; 19. Condensate pipe; 20. Condensate tank; 21. Condensate outlet pipe; 22. Circulating water pump; 23. Circulating water pipe; 24. Filter screen; 25. Sewage pipe; 26. Water injection pipe; 27. Controller; 28. Steam pipe. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-4This utility model provides the following technical solution: an automated steam-water heat exchanger unit, including a base 1, a mounting seat 2 on the top of the base 1, a support column 3 fixedly mounted on the top of the mounting seat 2, a shell-and-tube heat exchanger 4 fixedly connected to one end of the support column 3, a water inlet pipe 5 fixedly mounted on the top of the shell-and-tube heat exchanger 4, a connecting pipe 6 fixedly connected to one end of the water inlet pipe 5, a connector 7 fixedly connected to one end of the connecting pipe 6, a water supply tank 8 fixedly mounted on one side of the upper surface of the base 1, a water pump 9 fixedly mounted on one side of the water supply tank 8, a drain pipe 10 connected to the output end of the water pump 9, a hot water pipe 11 fixedly mounted on the bottom of the shell-and-tube heat exchanger 4, a connector 12 fixedly connected to one end of the hot water pipe 11, a water guide pipe 14 fixedly connected to one end of the connector 12, and a return water pipe fixedly mounted on the upper surface of the base 1. A drain pipe 15 is fixedly installed on one side of the return water tank 13. A temperature detector 16 is fixedly installed on the upper surface of the return water tank 13. A condensate pump 17 is fixedly installed on one side of the top of the base 1. One end of the condensate pump 17 is fixedly connected to an extraction pipe 18. The other end of the condensate pump 17 is fixedly connected to a condensate pipe 19. A condensate tank 20 is fixedly installed on the other side of the top of the base 1. A condensate outlet pipe 21 is fixedly installed on one side of the condensate tank 20. A circulating water pump 22 is fixedly installed on the surface of the return water tank 13. The output end of the circulating water pump 22 is connected to a circulating water pipe 23. A filter screen 24 is fixedly installed on the inner wall of the makeup water tank 8. A drain pipe 25 is fixedly installed on the surface of the makeup water tank 8. A water injection pipe 26 is fixedly installed on the upper surface of the makeup water tank 8. A controller 27 is fixedly installed on the surface of the base 1.
[0022] Water is injected into the water supply tank 8 through the water inlet pipe 26. During the process of entering the water supply tank 8, the filter screen 24 inside the tank filters the water, intercepting impurities. After the water is injected into the tank 8, the controller 27 starts the water pump 9, which draws water from the tank 8 and discharges it through the drain pipe 10, connector 7, and inlet pipe 5 into the shell-and-tube heat exchanger 4. At this time, the controller 27 starts the shell-and-tube heat exchanger 4, which then exchanges heat with the injected water. The hot water generated by the heat exchange can be discharged into the return water tank 13 through the hot water pipe 11, connector 12, and guide pipe 14. The hot water can also be discharged through the drain pipe 15 to meet domestic hot water needs. The temperature detector 16 can monitor the temperature of the hot water in the return water tank 13 in real time. When the water temperature is low, the controller 27... The controller 27 starts the circulating water pump 22, which extracts the cooler water from the return water tank 13 and discharges it into the makeup water tank 8 through the circulating water pipe 23, allowing the water to be recycled and saving water resources. The recycled water can also be used to wash the surface of the filter screen 24, removing impurities from the surface of the filter screen 24 and discharging the impurities through the drain pipe 25, thereby ensuring the water filtration effect, ensuring the service life of the shell-and-tube heat exchanger 4, and improving the performance of the heat exchange unit. The controller 27 can also start the condensate pump 17, which extracts the condensate from the shell-and-tube heat exchanger 4 through the extraction pipe 18 and discharges it into the condensate tank 20 through the condensate pipe 19. The condensate can be discharged through the condensate outlet pipe 21, and the steam generated by the heat exchange can be discharged through the steam pipe 28. All electrical equipment in this device is powered by an external power source.
[0023] In one aspect of this embodiment, starting the water pump 9 can discharge water through the drain pipe 10 and the connector 7.
[0024] In one aspect of this embodiment, after the operator loosens the bolts on the mounting base 2, the operator can remove the mounting base 2 from the base 1; conversely, the operator can install the mounting base 2 onto the base 1 using bolts, for the installation and removal of the shell-and-tube heat exchanger 4.
[0025] In one aspect of this embodiment, the controller 27 can control the shell-and-tube heat exchanger 4 to start, and perform heat exchange treatment on the water injected into the shell-and-tube heat exchanger 4. At the same time, the controller 27 can control the water pump 9, the condensate pump 17 and the circulating water pump 22 to start.
[0026] In one aspect of this embodiment, the sealing cap can open or close the water injection pipe 26 to facilitate the injection of water into the water replenishment tank 8 for heat exchange treatment of the water. The control valve can control the opening and closing of the drain pipe 25, which is used to discharge water impurities filtered from the surface of the filter screen 24.
[0027] In one aspect of this embodiment, the water pipe 14 can discharge the hot water after heat exchange by the shell-and-tube heat exchanger 4 into the return water tank 13 for convenient storage of domestic hot water. At the same time, when the heat of the hot water is low, the circulating water pump 22 can discharge the low-temperature water into the makeup water tank 8 so that the water can be recycled and water resources can be saved.
[0028] In one aspect of this embodiment, after the condensate pump 17 is started, it can extract the condensate in the shell-and-tube heat exchanger 4 through the extraction pipe 18 and discharge it into the condensate tank 20 through the condensate pipe 19.
[0029] In one aspect of this embodiment, the steam generated by heat exchange inside the shell-and-tube heat exchanger 4 can be discharged through the steam pipe 28, and the gas valve is used to control the opening and closing of the steam pipe 28.
[0030] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. An automated steam-water heat exchanger unit, comprising a base (1), characterized in that: The base (1) has a mounting seat (2) on its top. A support column (3) is fixedly mounted on the top of the mounting seat (2). A shell-and-tube heat exchanger (4) is fixedly connected to one end of the support column (3). A water inlet pipe (5) is fixedly mounted on the top of the shell-and-tube heat exchanger (4). A connecting pipe (6) is fixedly connected to one end of the water inlet pipe (5). A connector (7) is fixedly connected to one end of the connecting pipe (6). A water supply tank is fixedly mounted on one side of the upper surface of the base (1). (8) A water pump (9) is fixedly installed on one side of the water supply tank (8). The output end of the water pump (9) is connected to a drain pipe (10). A hot water pipe (11) is fixedly installed at the bottom of the shell-and-tube heat exchanger (4). A connector (12) is fixedly connected to one end of the hot water pipe (11). A water guide pipe (14) is fixedly connected to one end of the connector (12). A return water tank (13) is fixedly installed on the upper surface of the base (1). A drain pipe (14) is fixedly installed on one side of the return water tank (13). A drain pipe (15) is fixedly installed on the base (1). A temperature detector (16) is fixedly installed on the upper surface of the return water tank (13). A condensate pump (17) is fixedly installed on one side of the top of the base (1). One end of the condensate pump (17) is fixedly connected to a suction pipe (18). The other end of the condensate pump (17) is fixedly connected to a condensate pipe (19). A condensate tank (20) is fixedly installed on the other side of the top of the base (1). One side of the condensate tank (20) is fixedly connected to a drain pipe (15). A condensate outlet pipe (21) is installed, a circulating water pump (22) is fixedly installed on the surface of the return water tank (13), the output end of the circulating water pump (22) is connected to a circulating water pipe (23), a filter screen (24) is fixedly installed on the inner wall of the water replenishment tank (8), a drain pipe (25) is fixedly installed on the surface of the water replenishment tank (8), a water injection pipe (26) is fixedly installed on the upper surface of the water replenishment tank (8), and a controller (27) is fixedly installed on the surface of the base (1).
2. The automated steam-water heat exchanger unit according to claim 1, characterized in that: The surface of the mounting base (2) is provided with bolts, and the mounting base (2) is connected to the base (1) by bolts.
3. The automated steam-water heat exchanger unit according to claim 1, characterized in that: One end of the drain pipe (10) is connected to the connector (7).
4. An automated steam-water heat exchanger unit according to claim 1, characterized in that: One end of the water pipe (14) is connected to the return water tank (13), and one end of the circulating water pipe (23) is connected to the replenishment water tank (8).
5. An automated steam-water heat exchanger unit according to claim 1, characterized in that: The controller (27) is electrically connected to the shell-and-tube heat exchanger (4), and the controller (27) is electrically connected to the water pump (9), the condensate pump (17) and the circulating water pump (22) respectively.
6. An automated steam-water heat exchanger unit according to claim 1, characterized in that: The surface of the sewage pipe (25) is provided with a control valve, and the surface of the water injection pipe (26) is provided with a sealing cap.
7. An automated steam-water heat exchanger unit according to claim 1, characterized in that: A steam pipe (28) is fixedly installed on the surface of the shell-and-tube heat exchanger (4), and a steam valve is provided on the surface of the steam pipe (28).
8. An automated steam-water heat exchanger unit according to claim 1, characterized in that: One end of the extraction pipe (18) is connected to the shell-and-tube heat exchanger (4), and one end of the condensate pipe (19) is connected to the condensate tank (20).