Heat exchanger with cleaning function

Abstract

The utility model discloses a heat exchanger with cleaning function relates to heat exchanger cleaning technical field, include: radiator, the right side of radiator is from top to bottom respectively connected with second water pipe and third water pipe, the front end of second water pipe is connected with first valve, the outside of second water pipe is located the back side of first valve and is connected with three -way pipe, the top of three -way pipe is provided with cleaning mechanism, the front end of third water pipe is connected with filter box, the right side of filter box is connected with fourth water pipe, the outside of fourth water pipe is connected with third valve, the top of filter box is from left to right respectively set up first through -hole and second through -hole, the inside of first through -hole and second through -hole is provided with first filter mechanism and second filter mechanism respectively, through the double interception of coarse filter screen and strong magnetic ring adsorption, it is favorable to control the falling impurity in filter box, avoids the jamming valve or subsequent pipeline.

Description

Technical Field

[0001] This utility model relates to the field of heat exchanger cleaning technology, and in particular to a heat exchanger with cleaning function. Background Technology

[0002] A heat exchanger is a device that enables the transfer of heat between two or more fluids. Its applications range from small-scale applications like radiators and air conditioner outdoor units to large-scale applications like car engine cooling, power plant boilers, and chemical production. Essentially, heat exchangers are used to move heat and achieve the goals of heating, cooling, and energy saving. Household radiators are a typical example of heat exchangers that use air as the cold fluid and hot water or steam as the hot fluid. During long-term operation, impurities in the fluid will gradually adhere to the heat exchanger wall surface, forming a fouling layer. To avoid this, heat exchangers need to have a cleaning function.

[0003] Chinese patent discloses a heat exchanger that facilitates self-cleaning (publication number CN212030323 U). This patented technology uses a water pump to deliver cleaning fluid into the radiator through a three-way pipe fixedly connected to one end of a third connecting pipe. The cleaning fluid reacts chemically with impurities attached to the water pipes inside the radiator, causing the impurities to fall off the inner wall of the water pipes. The operator then opens the water valve to inject water into the radiator and opens the spherical water gate to allow the fallen impurities to flow out of the radiator. However, it lacks a filtration mechanism. After the cleaning fluid removes the impurities, the impurities remain in particulate form, such as scale fragments and rust residue, suspended in the fluid. These particles tend to accumulate in narrow channels, such as the spherical water gate valve core, leading to pipe blockage. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a heat exchanger with a cleaning function, thus solving the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a heat exchanger with a cleaning function, comprising:

[0006] The radiator has a second water pipe and a third water pipe connected from top to bottom on its right side. The front end of the second water pipe is connected to a first valve. A tee pipe is connected to the outside of the second water pipe on the back side of the first valve. A cleaning mechanism is provided at the top of the tee pipe.

[0007] The front end of the third water pipe is connected to a filter box, the right side of the filter box is connected to a fourth water pipe, the outside of the fourth water pipe is connected to a third valve, the top of the filter box has a first through hole and a second through hole from left to right, the first through hole and the second through hole are respectively provided with a first filter mechanism and a second filter mechanism, and the top of the first filter mechanism and the second filter mechanism are respectively fixedly connected with a first sealing plate and a second sealing plate.

[0008] As a further technical solution of this utility model, the first filtration mechanism includes a first frame, the top of the first frame is fixedly connected to a first sealing plate, and a coarse filter screen is connected inside the first frame.

[0009] As a further technical solution of this utility model, the cross-section of the coarse filter screen is set to a corrugated shape.

[0010] As a further technical solution of this utility model, the second filtration mechanism includes a second frame, the top of the second frame is fixedly connected to the second sealing plate, and a plurality of strong magnetic rings are connected inside the second frame.

[0011] As a further technical solution of this utility model, the cleaning mechanism includes a water pump, with first water pipes connected to both the left and right sides of the water pump. One end of the first water pipe on the right side is connected to a cleaning liquid tank, and a water inlet is provided on the top of the cleaning liquid tank. One end of the first water pipe on the left side is fixedly connected to a three-way pipe, and a second valve is connected to the outer side of the first water pipe on the left side near the three-way pipe.

[0012] As a further technical solution of this utility model, the front and rear sides of the first sealing plate and the second sealing plate are respectively connected by a first bolt connection pair and a second bolt connection pair. The front and rear sides of the filter box are respectively fixedly connected by a first fixing ear and a second fixing ear near the first through hole and the second through hole. The first sealing plate and the second sealing plate are respectively fixedly connected to the first fixing ear and the second fixing ear through the first bolt connection pair and the second bolt connection pair.

[0013] As a further technical solution of this utility model, the top of the filter box is connected with a first sealing strip and a second sealing strip above the first through hole and the second through hole, respectively.

[0014] This invention provides a heat exchanger with a cleaning function, which has the following advantages compared with the prior art:

[0015] Beneficial effects:

[0016] 1. This design provides a heat exchanger with a cleaning function. A filter box is installed at one end of the third water pipe. From left to right, a coarse filter screen and multiple strong magnetic rings are installed in the filter box. The coarse filter screen can directly block scale fragments and large pieces of rust slag with a diameter larger than the pore size, preventing them from flowing downstream to the spherical sluice valve core. Secondly, the multiple strong magnetic rings can form a continuous magnetic field, which is conducive to adsorbing iron-containing impurities, such as rust slag, and preventing iron filings from entering the spherical sluice valve core. Through the dual interception of coarse filter screen and strong magnetic ring adsorption, it is beneficial to control the detached impurities in the filter box and avoid clogging the valve or subsequent pipelines.

[0017] 2. This design provides a heat exchanger with a cleaning function. By opening a first through hole and a second through hole from left to right on the top of the filter box, it is convenient to remove the coarse filter screen and strong magnetic ring for cleaning or replacement. A first sealing strip and a second sealing strip are respectively set on the top of the filter box near the first and second through holes, which helps to increase the sealing effect between the first sealing plate, the second sealing plate and the filter box. Attached Figure Description

[0018] Figure 1 A schematic diagram of the overall structure of a heat exchanger with cleaning function;

[0019] Figure 2 An exploded view of the first sealing plate, the second sealing plate, and the filter box in a heat exchanger with a cleaning function;

[0020] Figure 3 This is a side view of a coarse filter screen in a heat exchanger with a cleaning function.

[0021] In the diagram: 1. Water inlet; 2. Water pump; 3. Cleaning solution tank; 4. First water pipe; 5. First valve; 6. T-pipe; 7. Second valve; 8. Second water pipe; 9. Radiator; 10. Third water pipe; 11. First sealing plate; 12. Filter box; 13. Second sealing plate; 14. Fourth water pipe; 15. Third valve; 16. First bolt connection pair; 17. Coarse filter screen; 18. First frame; 19. First sealing strip; 20. First through hole; 21. First fixing ear; 22. Second fixing ear; 23. Strong magnetic ring; 24. Second frame; 25. Second through hole; 26. Second sealing strip; 27. Second bolt connection pair. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-3 This utility model provides a heat exchanger with a cleaning function: including a radiator 9, a second water pipe 8 and a third water pipe 10 connected from top to bottom on the right side of the radiator 9, a first valve 5 connected to the front end of the second water pipe 8, a three-way pipe 6 connected to the outside of the second water pipe 8 on the back side of the first valve 5, and a cleaning mechanism provided at the top end of the three-way pipe 6.

[0024] The front end of the third water pipe 10 is connected to a filter box 12. The right side of the filter box 12 is connected to a fourth water pipe 14. The outside of the fourth water pipe 14 is connected to a third valve 15. The top of the filter box 12 has a first through hole 20 and a second through hole 25 from left to right. The first filter mechanism and the second filter mechanism are respectively installed inside the first through hole 20 and the second through hole 25. The top of the first filter mechanism and the second filter mechanism are respectively fixedly connected to a first sealing plate 11 and a second sealing plate 13.

[0025] like Figure 1 and Figure 3 As shown, the first filtration mechanism includes a first frame 18, the top of the first frame 18 is fixedly connected to the first sealing plate 11, and a coarse filter screen 17 is connected inside the first frame 18. The coarse filter screen 17 can directly block scale fragments and large pieces of rust slag with a diameter larger than the pore size, preventing them from flowing downstream to the spherical water gate valve core with the fluid.

[0026] like Figure 2 and Figure 3 As shown, the cross-section of the coarse filter 17 is set to a corrugated shape, which helps to increase the contact area with impurities in the water and improve the impurity interception efficiency.

[0027] like Figure 2 As shown, the second filtration mechanism includes a second frame 24, the top of which is fixedly connected to the second sealing plate 13. Several strong magnetic rings 23 are connected inside the second frame 24. The multiple strong magnetic rings 23 can form a continuous magnetic field, which is beneficial for adsorbing iron-containing impurities, such as rust slag, and preventing iron filings from entering the spherical water gate valve core.

[0028] like Figure 1 As shown, the cleaning mechanism includes a water pump 2, with first water pipes 4 connected to both the left and right sides of the water pump 2. One end of the right first water pipe 4 is connected to a cleaning liquid tank 3, and a water inlet 1 is opened on the top of the cleaning liquid tank 3. One end of the left first water pipe 4 is fixedly connected to a three-way pipe 6. A second valve 7 is connected to the outside of the left first water pipe 4 near the three-way pipe 6. First, the first valve 5 is closed, and then the second valve 7 is opened. At the same time, the water pump 2 is turned on, so that the cleaning liquid in the cleaning liquid tank 3 can be introduced into the radiator 9. The cleaning liquid will produce a chemical reaction when it comes into contact with the impurities attached to the water pipe inside the radiator 9, thereby causing the impurities to fall off from the inner wall of the water pipe.

[0029] like Figure 2As shown, the first sealing plate 11 and the second sealing plate 13 are respectively connected by a first bolt connection pair 16 and a second bolt connection pair 27 through their front and rear sides. The first fixing ear 21 and the second fixing ear 22 are respectively fixedly connected to the front and rear sides of the filter box 12 near the first through hole 20 and the second through hole 25. The first sealing plate 11 and the second sealing plate 13 are fixedly connected to the first fixing ear 21 and the second fixing ear 22 through the first bolt connection pair 16 and the second bolt connection pair 27, respectively. When it is necessary to clean the coarse filter screen 17 and the multiple strong magnetic rings 23, the first frame 18 and the second frame 24 that fix the coarse filter screen 17 and the multiple strong magnetic rings 23 can be easily removed by rotating the first bolt connection pair 16 and the second bolt connection pair 27, thereby facilitating the cleaning of the coarse filter screen 17 and the multiple strong magnetic rings 23.

[0030] like Figure 2 As shown, the top of the filter box 12 is connected to the first sealing strip 19 and the second sealing strip 26 above the first through hole 20 and the second through hole 25, which helps to increase the sealing effect between the first sealing plate 11, the second sealing plate 13 and the filter box 12.

[0031] The working principle of this utility model is as follows: By setting a coarse filter screen 17 and multiple strong magnetic rings 23 from left to right in the filter box 12, the coarse filter screen 17 can directly block scale fragments and large pieces of rust slag with a diameter larger than the pore size, preventing them from flowing downstream to the spherical sluice valve core. Secondly, the multiple strong magnetic rings 23 can form a continuous magnetic field, which is conducive to adsorbing iron-containing impurities, such as rust slag, and preventing iron filings from entering the spherical sluice valve core. Through the double interception of adsorption by the coarse filter screen 17 and the strong magnetic rings 23, it is beneficial to control the fallen impurities in the filter box 12, avoiding blockage of valves or subsequent pipelines. When it is necessary to clean the coarse filter screen 17 and the multiple strong magnetic rings 23, the first bolt connecting part 16 and the second bolt connecting part 27 can be rotated to easily remove the first frame 18 and the second frame 24 that fix the coarse filter screen 17 and the multiple strong magnetic rings 23, thereby facilitating the cleaning of the coarse filter screen 17 and the multiple strong magnetic rings 23.

[0032] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model are implemented according to conventional methods in the art, unless otherwise specified or limited.

Claims

1. A heat exchanger with a cleaning function, characterized in that, include: A radiator (9) is connected to a second water pipe (8) and a third water pipe (10) from top to bottom on the right side of the radiator (9). The front end of the second water pipe (8) is connected to a first valve (5). A three-way pipe (6) is connected to the outside of the second water pipe (8) on the back side of the first valve (5). A cleaning mechanism is provided at the top of the three-way pipe (6). The front end of the third water pipe (10) is connected to a filter box (12), the right side of the filter box (12) is connected to a fourth water pipe (14), the outside of the fourth water pipe (14) is connected to a third valve (15), the top of the filter box (12) is provided with a first through hole (20) and a second through hole (25) from left to right, the first through hole (20) and the second through hole (25) are respectively provided with a first filter mechanism and a second filter mechanism, and the top of the first filter mechanism and the second filter mechanism are respectively fixedly connected to a first sealing plate (11) and a second sealing plate (13).

2. A heat exchanger with a cleaning function according to claim 1, characterized in that, The first filtration mechanism includes a first frame (18), the top of the first frame (18) is fixedly connected to a first sealing plate (11), and a coarse filter screen (17) is connected inside the first frame (18).

3. A heat exchanger with a cleaning function according to claim 2, characterized in that, The cross-section of the coarse filter (17) is set to a corrugated shape.

4. A heat exchanger with a cleaning function according to claim 1, characterized in that, The second filtration mechanism includes a second frame (24), the top of which is fixedly connected to a second sealing plate (13), and a plurality of strong magnetic rings (23) are connected inside the second frame (24).

5. A heat exchanger with a cleaning function according to claim 1, characterized in that, The cleaning mechanism includes a water pump (2), and the water pump (2) is connected to a first water pipe (4) on both the left and right sides. One end of the first water pipe (4) on the right side is connected to a cleaning liquid tank (3). The top of the cleaning liquid tank (3) is provided with a water inlet (1). One end of the first water pipe (4) on the left side is fixedly connected to a three-way pipe (6). A second valve (7) is connected to the outside of the first water pipe (4) on the left side near the three-way pipe (6).

6. A heat exchanger with a cleaning function according to claim 1, characterized in that, The first sealing plate (11) and the second sealing plate (13) are respectively connected by a first bolt connection pair (16) and a second bolt connection pair (27) through the front and rear sides. The filter box (12) is respectively fixedly connected by a first fixing ear (21) and a second fixing ear (22) near the first through hole (20) and the second through hole (25). The first sealing plate (11) and the second sealing plate (13) are respectively fixedly connected to the first fixing ear (21) and the second fixing ear (22) through the first bolt connection pair (16) and the second bolt connection pair (27).

7. A heat exchanger with a cleaning function according to claim 1, characterized in that, The top of the filter box (12) is connected to the first sealing strip (19) and the second sealing strip (26) above the first through hole (20) and the second through hole (25), respectively.

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