Physical scale inhibition mechanism for cooling water circulation system

Abstract

A physical scale inhibition mechanism for a cooling water circulation system comprises an impeller assembly, a fixing ring and a plurality of first ring bodies, the outer side of a shell of the impeller assembly is connected with the inner wall of a circulation system pipeline, a rotating shaft is arranged in the center of the shell through a rotating shaft support, a plurality of blades are arranged at one end of the rotating shaft, and the other end of the rotating shaft penetrates out of the rotating shaft support. The rotating shaft impacts the blades to rotate through flowing of cooling water; the fixing ring sleeves the other end of the rotating shaft, and the inner ring surface is connected with the peripheral side of the rotating shaft through a fixing rod; the first ring bodies are connected with the fixing ring through the connecting rods, the adjacent first ring bodies are connected through the connecting rods, the multiple cleaning rings and the fixing ring rotate synchronously, the outer ring face of each first ring body is provided with a cleaning piece, the cleaning pieces make contact with the inner wall of the circulating system pipeline, and the inner wall of the circulating system pipeline is cleaned through rotation of the first ring bodies. Therefore, floaters in the cooling circulation pipeline are prevented from precipitating on the inner wall of the pipeline, and the floaters are prevented from forming scale on the inner wall of the pipeline as long as time.

Description

Technical Field

[0001] The invention relates to the technical field of cooling water circulation systems, in particular to a physical scale inhibition mechanism for cooling water circulation systems. Background Art

[0002] Physical scale prevention technology for cooling water circulation system is a technology that applies physical principles to prevent or eliminate scale formation in water circulation system. Compared with traditional chemical scale prevention methods, physical scale prevention technology does not rely on adding chemical agents, but changes the physical and chemical properties of minerals in water by physical means to achieve the purpose of scale prevention. Therefore, compared with chemical scale prevention methods, physical scale prevention technology is more environmentally friendly, safer, and less harmful to human body and environment. Since it does not involve the addition of chemical agents, it will not cause secondary pollution to the water body, and it also avoids the equipment corrosion problem that may be caused by chemical agents.

[0003] Scale inhibition devices are usually installed at key locations in the cooling water circulation path, such as near heat exchangers, cooling towers, water pumps and other equipment, so as to maximize the scale inhibition effect in these locations. For example, installing a scale inhibition device in front of a heat exchanger can effectively prevent minerals from depositing on the heat exchange surface, while installing a scale inhibition device at the outlet of a cooling tower can help reduce the deposition of minerals precipitated from the tower in the system. Summary of the invention

[0004] The purpose of the present invention is to provide a physical scale-preventing mechanism for a cooling water circulation system, which can effectively prevent floating objects in a cooling circulation pipeline from settling on the inner wall of the pipeline, thereby avoiding the floating objects from forming scale on the inner wall of the pipeline over time.

[0005] The technical solution of the present invention is:

[0006] A physical scale prevention mechanism for a cooling water circulation system is arranged in a circulation system pipeline, comprising: an impeller assembly, comprising: a shell, the outer side of which is connected to the inner wall of the circulation system pipeline; a rotating shaft, which is arranged at the center of the shell through a rotating shaft bracket, a plurality of blades are arranged on the circumferential side of one end of the rotating shaft located in the shell, and the other end passes through the rotating shaft bracket, and the rotating shaft rotates through the impact of water flow on the blades; a fixed ring is sleeved on the other end of the rotating shaft, and a plurality of fixed rods are connected between the inner ring surface of the fixed ring and the circumferential side of the rotating shaft so that the fixed ring and the rotating shaft rotate synchronously; a plurality of first ring bodies are located on a side of the fixed ring away from the impeller assembly, a first ring body close to the fixed ring is connected to the fixed ring by a connecting rod, and adjacent first ring bodies are connected by connecting rods so that a plurality of cleaning rings rotate synchronously with the fixed ring, a cleaning piece is arranged on the outer ring surface of each of the first ring bodies, the cleaning piece contacts with the inner wall of the circulation system pipeline, and the inner wall of the circulation system pipeline is cleaned by the rotation of the first ring body.

[0007] Furthermore, the central axis of the rotating shaft, the center of the fixed ring and the centers of the plurality of first ring bodies are located on the same axis.

[0008] Furthermore, a groove is provided on the outer side of the shell along the circumferential direction, a rubber ring is embedded in the groove, and the rubber ring protrudes from the groove and abuts against the inner wall of the circulation system pipe.

[0009] Furthermore, the cleaning member includes: a scraper, including: a plate body and bristles, wherein the bristles are in contact with the inner wall of the circulation system pipe; and a first spring connected between the plate body of the scraper and the outer annular surface of the first ring body.

[0010] Furthermore, there are a plurality of cleaning members, and the plurality of cleaning members are arranged in a ring array on the outer ring surface of the first ring body with the center of the first ring body as the axis.

[0011] Furthermore, it also includes a plurality of second ring bodies, which are respectively arranged between every two adjacent first ring bodies, and the center of the second ring body is located on the same axis as the center of the first ring body, and the second ring body is connected to the first ring body by an elastic connecting member, and a plurality of cleaning members are also arranged on the outer ring surface of each second ring body, and a plurality of cleaning members are arranged in a ring array with the center of the second ring body as the axis, and a plurality of baffles are vertically arranged on the inner ring surface of each second ring body, and the plurality of baffles are arranged in a ring array with the center of the second ring body as the axis.

[0012] Furthermore, the elastic connecting member includes: an outer sleeve, one end of which is connected to the annular surface of the first ring body; a second spring, which is sleeved in the outer sleeve and one end is connected to the annular surface of the first ring body; an inner sleeve rod, one end of which is connected to the annular surface of the second ring body, and the other end is slidably sleeved in the outer sleeve and connected to the other end of the second spring.

[0013] Furthermore, a limit block is provided on the inner wall of the other end of the outer sleeve, and a limit ring is provided on one end of the inner sleeve, and the limit ring slides on the inner wall of the outer sleeve, and the limit block is used to prevent the inner sleeve rod from escaping from the pipe of the outer sleeve.

[0014] Furthermore, the outer diameter of the second ring body is the same as that of the first ring body, and the multiple cleaning pieces on the second ring body and the multiple cleaning pieces on the first ring body are staggered in axial projection.

[0015] Furthermore, the connecting rod is connected to the annular surface of the first ring body, a groove is provided on the inner annular surface of the second ring body, the structure of the groove matches the structure of the connecting rod, and the second ring body is slidably connected to the connecting rod through the groove.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention is arranged in a circulation system pipeline, and uses the flow of cooling water in the pipeline as a driving force to drive the rotating shaft of the impeller assembly to rotate, thereby rotating the first ring body, and cleaning the inner wall of the circulation system pipeline along the circumferential direction of the inner wall of the pipeline through the cleaning member outside the first ring body, and disturbing the water flow by rotation, so that floating objects are difficult to adhere to the inner wall of the pipeline, thereby preventing the floating objects in the cooling circulation pipeline from settling on the inner wall of the pipeline, and avoiding the floating objects from forming scale on the inner wall of the pipeline over time.

[0018] 2. The present invention further configures a second ring body between every two adjacent first ring bodies, and the second ring body rotates synchronously with the first ring body. The flow of cooling water in the pipeline is used to drive the second ring body to move along the axial direction of the circulation system pipeline during rotation, and clean the inner wall of the pipeline from the axial direction of the inner wall of the circulation system pipeline, thereby cooperating with the first ring body to clean the inner wall of the pipeline along the axial and circumferential directions of the inner wall of the pipeline at the same time, thereby increasing the cleaning range and further improving the scale inhibition effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view of the internal structure schematic diagram of Example 1 of the present invention.

[0020] Figure 2 This is a schematic diagram of the first ring structure of the present invention.

[0021] Figure 3 for Figure 1 Schematic diagram of the aa section structure.

[0022] Figure 4 for Figure 1 An enlarged view of the structural schematic diagram of the middle A area.

[0023] Figure 5 It is a front view of the internal structure schematic diagram of embodiment 2 of the present invention.

[0024] Figure 6 This is a schematic diagram of the second ring structure.

[0025] Figure 7 It is a schematic diagram of the projection of the first ring body and the second ring body along the axial direction of the circulation system pipeline.

[0026] Figure 8 for Figure 5 An enlarged view of the schematic diagram of the structure of the middle B area.

[0027] Among them, 1. circulation system pipeline, 2. impeller assembly, 21. shell, 211. rubber ring, 22. rotating shaft, 23. blades, 24. rotating shaft bracket, 3. fixing ring, 31. fixing rod, 4. first ring body, 5. cleaning part, 51. scraper, 52. first spring, 6. connecting rod, 7. second ring body, 71. slide groove, 72. baffle, 8. elastic connecting part, 81. inner sleeve rod, 82. outer sleeve, 83. second spring. DETAILED DESCRIPTION

[0028] Combine the following Figures 1 to 8 , the specific embodiments of the present invention are described in detail. In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0029] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features; in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0030] Example 1

[0031] like Figure 1 As shown, a physical scale-inhibiting mechanism for a cooling water circulation system is arranged in a circulation system pipe 1. For example, arranging a scale-inhibiting device in front of a heat exchanger can effectively prevent minerals from being deposited on the heat exchange surface, and arranging a scale-inhibiting device at the outlet of a cooling tower can help reduce the deposition of minerals precipitated from the tower in the system. Figure 1-Figure 4 As shown, the physical scale prevention mechanism in this embodiment includes: an impeller assembly 2, a fixing ring 3 and a plurality of first ring bodies 4, such as Figure 1As shown, the impeller assembly 2 includes: a shell 21 and a rotating shaft 22. The outer side of the shell 21 is connected to the inner wall of the circulation system pipe 1. According to the inner diameter of the circulation system pipe 1, a matching shell 21 is designed so that the outer wall of the shell 21 can be snapped onto the inner wall of the circulation system pipe 1. The appropriate installation method can also be selected according to the setting position of the scale prevention mechanism. For example, it is set at the outlet of the cooling tower. An internal thread can be processed in the outlet pipe, and an annular ring can be welded on the outer side of the shell 21. An external thread is processed on the annular ring, and the shell 21 is installed by threaded connection. During installation, the first ring body 4 is inserted first, and the outer diameter of the first ring body 4 is smaller than the inner diameter of the circulation system pipe 1; the rotating shaft 22 is set at the center of the shell 21 through the rotating shaft bracket 24. Specifically, the two ends of the rotating shaft bracket 24 are connected to the shell 21, and a channel is opened on the rotating shaft bracket 24, and a bearing is embedded in the channel. A plurality of blades 23 are provided on the circumference of one end of the rotating shaft 22 located in the shell 21, and the other end passes through the rotating shaft bracket 24 through the bearing in the channel, as shown in FIG. Figure 1 As shown, the right side of the blade 23 is for meeting the cooling water flow of the circulation pipe, and the rotating shaft 22 rotates when the water flow impacts the blade 23; the fixing ring 3 is sleeved on the other end of the rotating shaft 22, as shown in FIG. Figure 1 and Figure 3 As shown, a plurality of fixing rods 31 are connected between the inner ring surface of the fixing ring 3 and the peripheral side of the rotating shaft 22, so that the fixing ring 3 and the rotating shaft 22 rotate synchronously; Figure 1 and Figure 2 As shown, multiple first ring bodies 4 are located on a side of the fixed ring 3 away from the impeller assembly 2, the first ring body 4 close to the fixed ring 3 is connected to the fixed ring 3 by a connecting rod 6, and adjacent first ring bodies 4 are connected by a connecting rod 6, so that the multiple cleaning rings 4 and the fixed ring 3 rotate synchronously, and a cleaning piece 5 is provided on the outer ring surface of each first ring body 4, and the cleaning piece 5 is in contact with the inner wall of the circulation system pipe 1. The inner wall of the circulation system pipe 1 is cleaned by the rotation of the first ring body 4, thereby preventing floating objects in the cooling circulation pipe from settling on the inner wall of the pipe, and avoiding the floating objects from forming scale on the inner wall of the pipe over time.

[0032] like Figure 1 As shown, the central axis of the rotating shaft 22, the center of the fixed ring 3 and the center of the multiple first ring bodies 4 are on the same axis, so that when the rotating shaft 22, the fixed ring 3 and the multiple first ring bodies 4 rotate synchronously, their rotation axes are consistent, ensuring the stability of the overall rotation and preventing the overall component and the inner wall of the circulation system pipe 1 from being damaged due to the shaking of a single component.

[0033] like Figure 1As shown, a groove is provided on the outer side of the shell 21 along the circumferential direction, and a rubber ring 211 is embedded in the groove. The rubber ring 211 protrudes from the groove and abuts against the inner wall of the circulation system pipe 1. The elastic property of the rubber ring 211 facilitates the installation of the shell 21 in the circulation system pipe 1. The friction force formed by the elastic property of the rubber ring 211 enables the shell 21 to abut and be fixed on the inner wall of the circulation system pipe 1.

[0034] like Figure 4 As shown, the cleaning member 5 includes: a scraper 51 and a first spring 52, the scraper 51 includes: a plate body and bristles, the bristles are in contact with the inner wall of the circulation system pipe 1; the first spring 52 is connected between the plate body of the scraper 51 and the outer ring surface of the first ring body 4, when the first ring body 4 rotates, the cleaning member 5 thereon rotates with its ring center as the axis, and cleans the circulation system pipe 1 through the bristles, and the first spring 52 can make the bristles abut against the inner wall of the circulation system pipe 1, and one end of the first spring 52 is fixed, and the other end can provide a certain degree of freedom to the plate body, so that the plate body swings with the fixed end of the first spring 52 as the axis when the first ring body 4 rotates.

[0035] like Figure 3 As shown, there are multiple cleaning pieces 5, and the multiple cleaning pieces 5 are arranged in a ring array on the outer ring surface of the first ring body 4 with the center of the first ring body 4 as the axis. By equidistantly arranging the multiple cleaning pieces 5, the cleaning effect can be significantly improved.

[0036] Example 2

[0037] The difference from Example 1 is that Figure 5-Figure 8 As shown, this embodiment also includes a plurality of second ring bodies 7, such as Figure 5 As shown, a plurality of second ring bodies 7 are respectively arranged between every two adjacent first ring bodies 4, and the center of the second ring body 7 and the center of the first ring body 4 are located on the same axis, and the second ring body 7 is connected to the first ring body 4 through an elastic connecting member 8, as shown in FIG. Figure 6 As shown, a plurality of cleaning members 5 are also provided on the outer ring surface of each second ring body 7, and the plurality of cleaning members 5 are arranged in a ring array on the outer ring surface of the second ring body 7 with the ring center of the second ring body 7 as the axis. A plurality of baffles 72 are vertically provided on the inner ring surface of each second ring body 7, and the plurality of baffles 72 are arranged in a ring array with the ring center of the second ring body 7 as the axis.

[0038] In Example 1, the rotating shaft 22 of the impeller assembly 2 is rotated by the driving force provided by the water flow, and the multiple first ring bodies 4 rotate following the rotation of the rotating shaft 22, and the inner wall of the circulation system pipe body 1 is cleaned by the cleaning member 5 on the outer ring surface of the first ring body 4, but the cleaning range is limited, and it can only be cleaned circumferentially along the inner wall of the circulation system pipe 1. In this embodiment, the second ring body 7 can clean along the axial direction of the inner wall of the circulation system pipe 1, thereby increasing the cleaning range and further improving the scale inhibition effect. Specifically, when the first ring body 4 rotates, the second ring body 7 can rotate following the rotation of the first ring body 4 through the elastic connecting member 8. Since the inner ring surface of the second ring body 7 is provided with a vertical baffle 72, the flow of cooling water will impact the baffle 72, so that the baffle 72 shakes in the axial direction. Since the elastic connecting member 8 can provide the second ring body 7 with an axial activity, the second ring body 7 can move along the axial direction of the circulation system pipe 1 following the shaking of the baffle 72, thereby cleaning impurities attached to the inner wall of the circulation system pipe 1 from the axial direction of the inner wall of the circulation system pipe 1.

[0039] like Figure 8 As shown, the elastic connecting member 8 includes: an outer sleeve 82, a second spring 83 and an inner sleeve rod 81, one end of the outer sleeve 82 is connected to the annular surface of the first ring body 4; the second spring 83 is sleeved in the outer sleeve 82, and one end is connected to the annular surface of the first ring body 4; one end of the inner sleeve rod 81 is connected to the annular surface of the second ring body 7, and the other end is slidably sleeved in the outer sleeve 82 and connected to the other end of the second spring 83. Through the sleeve connection relationship between the outer sleeve 82 and the inner sleeve rod 81, the second ring body 7 and the first ring body 4 can rotate synchronously, and through the action of the second spring 83, when the flowing cooling water impacts the baffle 72, the second spring 83 is squeezed, and due to the rotation of the second ring body 7, the water flow cannot continuously and stably squeeze the second spring 83, thereby causing the second spring 83 to be compressed and stretched along the axial direction of the circulation system pipeline 1, so that the cleaning member 5 on the outer ring surface of the second ring body 7 cleans the impurities attached to the inner wall of the circulation system pipeline 1 from the axial direction of the inner wall of the circulation system pipeline 1.

[0040] In some embodiments, in order to prevent the inner sleeve rod 81 from falling out of the pipe of the outer sleeve 82, a limit block is provided on the inner wall of the other end of the outer sleeve 82, and a limit ring is provided on one end of the inner sleeve rod 81 located on the outer sleeve 82, and the limit ring slides on the inner wall of the outer sleeve 82.

[0041] like Figure 7 As shown, the second ring body 7 has the same outer diameter as the first ring body 4, and the multiple cleaning members 5 on the second ring body 7 and the multiple cleaning members 5 on the first ring body 4 are staggered in axial projection. By means of the cleaning members 5 arranged in this way, the water flow close to the inner wall of the circulation system pipe 1 is better disturbed, making it difficult for suspended matter to adhere to the inner wall of the pipe.

[0042] like Figure 6 and Figure 7 As shown, the connecting rod 6 is connected to the annular surface of the first ring body 4, and a groove 71 is opened on the inner ring surface of the second ring body 7. The structure of the groove 71 matches the structure of the connecting rod 6. The second ring body 7 is slidingly connected to the connecting rod 6 through the groove 71. The sliding cooperation between the slide groove 71 and the connecting rod 6 can improve the stability of the axial movement of the second ring body 7.

[0043] The above disclosures are only several preferred specific embodiments of the present invention. However, the embodiments of the present invention are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A physical scale prevention mechanism for a cooling water circulation system, arranged in a circulation system pipeline (1), characterized in that: include: The impeller assembly (2) comprises: a housing (21), the outer side of which is connected to the inner wall of the circulation system pipe (1); a rotating shaft (22), which is arranged at the center of the housing (21) through a rotating shaft bracket (24); a plurality of blades (23) are arranged on the circumference of one end of the rotating shaft (22) located in the housing (21); and the other end of the rotating shaft (22) passes through the rotating shaft bracket (24); the rotating shaft (22) rotates when the blades (23) are impacted by water flow; A fixed ring (3) is sleeved on the other end of the rotating shaft (22), and a plurality of fixed rods (31) are connected between the inner ring surface of the fixed ring (3) and the peripheral side of the rotating shaft (22), so that the fixed ring (3) and the rotating shaft (22) rotate synchronously; A plurality of first ring bodies (4) are located on a side of a fixed ring (3) away from an impeller assembly (2); the first ring body (4) close to the fixed ring (3) is connected to the fixed ring (3) via a connecting rod (6), and adjacent first ring bodies (4) are connected via a connecting rod (6) so that the plurality of cleaning rings (4) and the fixed ring (3) rotate synchronously; a cleaning piece (5) is provided on the outer ring surface of each first ring body (4); the cleaning piece (5) contacts the inner wall of a circulation system pipe (1), and the inner wall of the circulation system pipe (1) is cleaned by the rotation of the first ring body (4).

2. A physical scale prevention mechanism for a cooling water circulation system according to claim 1, characterized in that: The central axis of the rotating shaft (22), the center of the fixed ring (3) and the centers of the first ring bodies (4) are located on the same axis.

3. A physical scale prevention mechanism for a cooling water circulation system according to claim 1, characterized in that: A groove is provided on the outer side of the shell (21) along the circumferential direction, a rubber ring (211) is embedded in the groove, and the rubber ring (211) protrudes from the groove and abuts against the inner wall of the circulation system pipe (1).

4. A physical scale prevention mechanism for a cooling water circulation system according to claim 1, characterized in that: The cleaning member (5) comprises: The scraper (51) comprises: a plate body and bristles, wherein the bristles are in contact with the inner wall of the circulation system pipe (1); The first spring (52) is connected between the plate body of the scraper (51) and the outer ring surface of the first ring body (4).

5. A physical scale prevention mechanism for a cooling water circulation system according to claim 4, characterized in that: A plurality of cleaning members (5) are provided, and the plurality of cleaning members (5) are arranged in a ring array on the outer ring surface of the first ring body (4) with the center of the first ring body (4) as the axis.

6. A physical scale prevention mechanism for a cooling water circulation system according to claim 1, characterized in that: The invention also comprises a plurality of second ring bodies (7), which are respectively arranged between every two adjacent first ring bodies (4), and the ring center of the second ring body (7) is located on the same axis as the ring center of the first ring body (4), and the second ring body (7) is connected to the first ring body (4) via an elastic connecting member (8). A plurality of cleaning members (5) are also arranged on the outer ring surface of each second ring body (7), and a plurality of cleaning members (5) are arranged in a ring array on the outer ring surface of the second ring body (7) with the ring center of the second ring body (7) as the axis. A plurality of baffles (72) are vertically arranged on the inner ring surface of each second ring body (7), and the plurality of baffles (72) are arranged in a ring array with the ring center of the second ring body (7) as the axis.

7. A physical scale prevention mechanism for a cooling water circulation system according to claim 6, characterized in that: The elastic connecting member (8) comprises: An outer sleeve (82), one end of which is connected to the annular surface of the first ring body (4); A second spring (83) is sleeved in the outer sleeve (82), and one end of the second spring is connected to the annular surface of the first ring body (4); One end of the inner sleeve rod (81) is connected to the annular surface of the second ring body (7), and the other end is slidably sleeved in the outer sleeve (82) and connected to the other end of the second spring (83).

8. A physical scale prevention mechanism for a cooling water circulation system according to claim 7, characterized in that: A limit block is provided on the inner wall of the other end of the outer sleeve (82); a limit ring is provided on one end of the inner sleeve rod (81) located on the outer sleeve (82), and the limit ring slides on the inner wall of the outer sleeve (82); the limit block is used to prevent the inner sleeve rod (81) from falling out of the pipe of the outer sleeve (82).

9. A physical scale prevention mechanism for a cooling water circulation system according to claim 6, characterized in that: The second ring body (7) has the same outer diameter as the first ring body (4), and the multiple cleaning pieces (5) on the second ring body (7) and the multiple cleaning pieces (5) on the first ring body (4) are arranged offset in axial projection.

10. A physical scale prevention mechanism for a cooling water circulation system according to claim 9, characterized in that: The connecting rod (6) is connected to the annular surface of the first ring body (4), and a groove (71) is provided on the inner annular surface of the second ring body (7). The structure of the groove (71) matches the structure of the connecting rod (6), and the second ring body (7) is slidably connected to the connecting rod (6) via the groove (71).

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