Electrochemical circulating water descaling device

Abstract

The utility model belongs to the technical field of water treatment, and provides an electrochemical circulating water descaling device which comprises a pipe barrel body, a water inlet pipe, a water outlet pipe and a water outlet pipe, the electrochemical mechanism comprises a power supply, an anode plate and a cathode tube; the anode plate is arranged on the inner tube wall of the tube barrel, the cathode tube comprises an insertion part and a scaling part which are connected, the insertion part vertically penetrates through the tube wall of the tube barrel, and the scaling part is located in the tube barrel and is parallel to the axis of the tube barrel; and the cathode tube is also provided with a plurality of branch parts which are arranged at the periphery of the scaling part at intervals. The electrochemical circulating water descaling device provided by the utility model is convenient and fast to use and can be directly connected into a circulating water pipeline for use, and the effective contact area of the electrode is increased, so that the electrolysis efficiency and the descaling efficiency are improved, and the service life of the cathode electrode is effectively prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of water treatment, and particularly relates to an electrochemical circulating water descaling device. Background Art

[0002] In the HVAC industry, water circulating in pipes is prone to scale formation during heat exchange. Scale has very poor thermal conductivity and greatly reduces the heat exchange efficiency, resulting in a waste of resources. At the same time, scale formation in pipes will also corrode the pipes, shortening the service life of equipment and even causing safety accidents. Cleaning scale is complicated and tedious, requiring not only the disassembly of equipment and pipes, but also the suspension of work and production, which consumes a lot of labor costs.

[0003] The commonly used electrochemical descaling method can separate the calcium and magnesium ions in the circulating water in the form of CaCO3 and Mg(OH)2 solids, thereby fundamentally avoiding the scaling phenomenon on the inner wall of the pipeline. However, the existing electrochemical descaling equipment is generally an independent descaling treatment equipment, which requires a separate external descaling equipment to perform descaling and decontamination operations on the pipeline. On the one hand, the separate external descaling equipment affects the normal operation of the circulating water pipeline, and has a certain impact on the flow rate and flow rate of the circulating water in the pipeline. On the other hand, its use and installation environment is limited, the space occupied is large, and the scope of application is narrow; in addition, the existing electrochemical descaling equipment generally uses conventional cathode tubes and anode tubes, resulting in a small effective contact area on the electrode surface, low descaling efficiency, poor effect, and the cathode surface is easily filled with scale precipitation in a short time, which leads to failure and loss of descaling effect.

[0004] Therefore, it is necessary to design an electrochemical circulating water descaling device with good descaling effect and high descaling efficiency. Summary of the invention

[0005] In order to solve the above technical problems, the utility model proposes an electrochemical circulating water descaling device, which is easy and convenient to use, can be directly connected to the circulating water pipeline for use, increases the effective contact area of ​​the electrode, thereby improving the electrolysis efficiency and descaling efficiency, and effectively prolongs the service life of the cathode electrode.

[0006] The technical solution of the utility model is:

[0007] The utility model provides an electrochemical circulating water descaling device, comprising:

[0008] A tube body, with connecting parts provided at both ends of the tube body for connecting it to a circulating water pipeline;

[0009] An electrochemical mechanism, the electrochemical mechanism comprising a power source disposed on the outer wall of the tube body, an anode plate and a cathode tube connected to the power source;

[0010] The anode plate is arranged on the inner tube wall of the tube body, the cathode tube comprises an insertion part and a scaling part connected to each other, the insertion part vertically penetrates the tube wall of the tube body, and the scaling part is located inside the tube body and parallel to its axis;

[0011] The cathode tube is also provided with a plurality of branch portions which are arranged at intervals on the periphery of the scaling portion.

[0012] Preferably, a plurality of the branch portions are evenly spaced and distributed along the circumferential direction with the axis of the scaling portion as the center.

[0013] Preferably, a plurality of the branch portions are distributed at intervals along the axial direction of the scaling portion, and their projections along the axial direction do not overlap.

[0014] Preferably, the angle between the branch portion and the axis of the scaling portion is between 30° and 45°.

[0015] Preferably, the scaling portion is rotatably connected to the extending portion, and the branch portion is in the shape of a paddle fixedly connected to the scaling portion, so that the circulating water pushes the branch portion to rotate, driving the scaling portion to rotate around its central axis.

[0016] Preferably, an arc-shaped guide portion is provided at the terminal end of the scaling portion.

[0017] Preferably, an inner wall of the tube body is provided with a receiving groove, and the anode plate is an annular plate adapted to the receiving groove.

[0018] Preferably, the tube body is provided with a mounting seat fixedly connected thereto, and a cathode cap detachably connected to the mounting seat, and the cathode cap is detachably connected to the insertion portion.

[0019] Preferably, the anode plate and the cathode tube are both provided with connection joints penetrating through the tube wall of the tube body.

[0020] Preferably, the connecting portion is provided with a flange structure or a threaded structure.

[0021] Compared with the prior art, the utility model has the following advantages and effects:

[0022] (1) A tube body with connecting parts at both ends is used, and the tube body can be directly connected in series to the circulating water pipeline. It is convenient to use, occupies little space, and has a wide range of applications. In addition, since the tube body is connected in series with the circulating water pipeline, it has little impact on the flow of circulating water in the pipeline, ensuring the normal use and operation of the pipeline;

[0023] (2) The use of a scaling portion parallel to the axis of the tube body and an anode plate arranged on the inner wall of the tube body can increase the effective contact area of ​​the positive and negative electrodes and improve the electrolysis efficiency. At the same time, the use of a number of branch portions arranged on the periphery of the scaling portion can effectively increase the surface area of ​​the cathode tube, thereby improving the descaling efficiency and descaling effect, and extending the use and replacement cycle of the cathode tube;

[0024] (3) A plurality of branch parts are used which are fixedly connected to the scaling part in an inclined manner. Under the premise of ensuring the normal flow of circulating water in the pipeline, the plurality of branch parts can effectively increase the effective contact area of ​​the cathode tube and improve the descaling speed and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of the electrochemical circulating water descaling device in Example 1 of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the tube body in the electrochemical circulating water descaling device in Example 1 of the utility model;

[0027] Figure 3 for Figure 2 Sectional view at position AA;

[0028] Figure 4 This is a schematic diagram of the structure of the cathode cap in the electrochemical circulating water descaling device in Example 1 of the utility model;

[0029] Figure 5 This is a schematic diagram of the structure of the cathode tube in the electrochemical circulating water descaling device in Example 1 of the utility model;

[0030] Figure 6 This is a schematic diagram of the structure of the cathode tube in the electrochemical circulating water descaling device in Example 2 of the utility model.

[0031] Figure numerals: 1. tube body; 11. connecting part; 12. accommodating groove; 13. mounting seat; 14. cathode cap; 2. electrochemical mechanism; 21. power supply; 22. anode plate; 23. cathode tube; 231. insertion part; 232. scaling part; 233. branch part; 234. guide part; 3. wiring connector. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the present invention, the present invention is now further described in conjunction with specific implementation methods.

[0033] Embodiment 1:

[0034] like Figure 1~Figure 5As shown, the utility model provides an electrochemical circulating water descaling device, which includes a tubular tube body 1 and an electrochemical mechanism 2 arranged in the tube body 1.

[0035] Connecting parts 11 are provided at both ends of the tube body 1 for connecting the tube body 1 in series to a circulating water pipeline. Specifically, the connecting part 11 is provided with a flange structure or a threaded structure. This embodiment takes flange connection as an example.

[0036] Combination Figure 2 , Figure 5 As shown, the electrochemical mechanism 2 includes a power source 21 fixedly arranged on the outer wall of the tube body 1, an anode plate 22 and a cathode tube 23 connected to the power source 21 through a wire, and the anode plate 22 and the cathode tube 23 are both provided with a wiring connector 3 penetrating the tube wall of the tube body 1 to connect with the external power source 21. The power source 21 can be a battery or an external power source 21, which can be specifically set according to the installation and use scenario.

[0037] like Figure 2 , Figure 3 As shown, the anode plate 22 is arranged on the inner tube wall of the tube body 1, and the inner tube wall of the tube body 1 is provided with a receiving groove 12. The anode plate 22 is an annular plate adapted to the receiving groove 12 so that the anode plate 22 can be embedded in the receiving groove 12 of the inner tube wall of the tube body 1.

[0038] like Figure 5 As shown, the cathode tube 23 includes an insertion portion 231 and a scaling portion 232 connected to each other, the insertion portion 231 movably penetrates the tube wall of the tube body 1, and is perpendicular to the axis of the tube body 1, and the scaling portion 232 is located inside the tube body 1, and is parallel to the axis of the tube body 1. An arc-shaped guide portion 234 is provided at the end of the scaling portion 232 of the cathode tube 23, and the guide portion 234 faces the water inlet direction to reduce the turbulence caused by the end of the scaling portion 232 and the influence on the flow rate and flow rate of the circulating water in the pipeline. The cathode tube 23 is also provided with a plurality of branch portions 233 arranged at intervals on the outer periphery of the scaling portion 232. The plurality of branch portions 233 are evenly spaced apart in the circumferential direction with the axis of the scaling portion 232 as the center. At the same time, the plurality of branch portions 233 are spaced apart along the axial direction of the scaling portion 232, and the projections of the plurality of branch portions 233 along the axial direction do not overlap, so as to increase the contact area between the circulating water in the pipeline and the cathode tube 23, thereby increasing the electrolysis efficiency and the scaling removal efficiency. It should be noted that the insertion portion 231, the scaling portion 232, and the branch portions 233 of the cathode tube 23 are all made of conductive materials, and can be any one of stainless steel, carbon steel, aluminum or copper.

[0039] The angle between the branch portion 233 and the axis of the scaling portion 232 is between 30° and 45°, so as to ensure that the removal efficiency of calcium and magnesium ions in the circulating water is improved while not affecting the normal circulation of the circulating water in the pipeline.

[0040] like Figure 2 , Figure 4 As shown, the outer wall of the tube body 1 is provided with a mounting seat 13 fixedly connected thereto, and a cathode cap 14 detachably connected to the mounting seat 13, and the end of the insertion portion 231 of the cathode tube 23 is detachably connected to the cathode cap 14. Figure 1 , Figure 5 As shown, the end of the insertion portion 231 of the cathode tube 23 is provided with an external thread, and the cathode cap 14 is provided with an internal thread matched with the external thread, so as to realize a detachable connection between the cathode cap 14 and the cathode tube 23 .

[0041] like Figure 2 As shown, the mounting seat 13 is provided with an external thread, such as Figure 4 As shown, the cathode cap 14 is provided with an internal thread to achieve a detachable connection between the cathode cap 14 and the tube body 1 .

[0042] Optionally, in some embodiments, the cathode cap 14 includes a lower nut located at the bottom thereof and threadedly connected to the mounting base 13, and an upper nut located above the lower nut and threadedly connected to the end of the insertion portion 231 of the cathode tube 23. The upper nut and the lower nut can be two separate nuts or nuts of an integral structure.

[0043] Embodiment 2:

[0044] For Example 2 of the utility model, Figure 6 Note that description of parts that are not different from those in Embodiment 1 will be omitted and will be given the same reference numerals.

[0045] like Figure 6 As shown, the utility model relates to an electrochemical circulating water descaling device, wherein the scaling portion 232 is rotatably connected to the extension portion, and the branch portion 233 is in the shape of a paddle fixedly connected to the scaling portion 232, so that the circulating water pushes the branch portion 233 during normal flow in the pipeline, thereby driving the scaling portion 232 to rotate around its central axis. The rotation process can effectively promote the contact reaction between the circulating water and the cathode, increase the efficiency and speed of the electrolysis reaction, and at the same time reduce the calcium carbonate and magnesium hydroxide scale precipitation formed on the surface of the cathode tube 23, so that part of the scale precipitation will not be deposited and attached to the surface of the cathode tube 23, but will be suspended in the circulating water in the pipeline, thereby extending the service life of the cathode tube 23.

[0046] It should be noted that the scale precipitation suspended in the circulating water can be filtered out through the filter, and the filter can also filter out other impurities in the circulating water at the same time. The filter is arranged at the water outlet of the descaling device (not shown in the figure), and can directly filter out the scale precipitation to prevent it from precipitating on the inner wall of the pipe and causing damage.

[0047] Optionally, in some embodiments, a rotating conductive slip ring is provided between the scaling portion 232 and the insertion portion, that is, the scaling portion 232 is rotationally connected to the insertion portion while maintaining the conductive flow between the scaling portion 232 and the insertion portion. Since the rotating conductive slip ring is a mature prior art in this field, its specific structure will not be described here.

[0048] To sum up, the electrochemical circulating water descaling device provided by the utility model is easy and convenient to use, can be directly connected to the circulating water pipeline for use, increases the effective contact area of ​​the electrode, thereby improving the electrolysis efficiency and descaling efficiency, and effectively prolongs the service life of the cathode electrode.

[0049] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. An electrochemical circulating water descaling device, characterized in that: include: A tube body (1), wherein both ends of the tube body (1) are provided with connecting parts (11) for connecting the tube body (1) to a circulating water pipeline; An electrochemical mechanism (2), the electrochemical mechanism (2) comprising a power source (21) arranged on the outer wall of the tube body (1), an anode plate (22) and a cathode tube (23) connected to the power source (21); The anode plate (22) is arranged on the inner tube wall of the tube body (1); the cathode tube (23) comprises an insertion portion (231) and a scaling portion (232) connected to each other; the insertion portion (231) vertically penetrates the tube wall of the tube body (1); and the scaling portion (232) is located inside the tube body (1) and parallel to the axis thereof; The cathode tube (23) is further provided with a plurality of branch portions (233) arranged at intervals on the periphery of the scaling portion (232).

2. The electrochemical circulating water descaling device according to claim 1, characterized in that: The plurality of branch portions (233) are evenly spaced and distributed along a circumferential direction with the axis of the scaling portion (232) as the center.

3. The electrochemical circulating water descaling device according to claim 1, characterized in that: The plurality of branch portions (233) are distributed at intervals along the axial direction of the scaling portion (232), and their projections along the axial direction do not overlap.

4. The electrochemical circulating water descaling device according to claim 1, characterized in that: The angle between the branch portion (233) and the axis of the scaling portion (232) is between 30° and 45°.

5. The electrochemical circulating water descaling device according to any one of claims 1 to 4, characterized in that: The scaling portion (232) is rotatably connected to the insertion portion, and the branch portion (233) is in the shape of a paddle fixedly connected to the scaling portion (232), so that the circulating water pushes the branch portion (233) to rotate, thereby driving the scaling portion (232) to rotate around its central axis.

6. The electrochemical circulating water descaling device according to claim 1, characterized in that: An arc-shaped flow guide portion (234) is provided at the terminal end of the scaling portion (232).

7. The electrochemical circulating water descaling device according to claim 1, characterized in that: The inner wall of the tube body (1) is provided with a receiving groove (12), and the anode plate (22) is an annular plate adapted to the receiving groove (12).

8. The electrochemical circulating water descaling device according to claim 1, characterized in that: The tube body (1) is provided with a mounting seat (13) fixedly connected thereto, and a cathode connection cap (14) detachably connected to the mounting seat (13), and the cathode connection cap (14) is detachably connected to the insertion portion (231).

9. The electrochemical circulating water descaling device according to claim 1, characterized in that: The anode plate (22) and the cathode tube (23) are both provided with a connection joint (3) penetrating the tube wall of the tube body (1).

10. The electrochemical circulating water descaling device according to claim 1, characterized in that: The connecting portion (11) is provided with a flange structure or a threaded structure.

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