Heat exchanger with convenient maintenance

Abstract

The utility model provides a convenient overhaul's heat exchanger relates to heat exchanger technical field, the utility model discloses a shell is equipped with a plurality of column pipe in its inside, the both sides of shell are equipped with flange plate, one side of flange plate is equipped with first pipe body, the outer wall of shell is equipped with second pipe body, one side of first pipe body is equipped with filter equipment, the filter equipment is through filter plate to filter the sundries of first pipe body inside fluid, the filter equipment includes placing frame, filter plate, moving link, fixed plate and bolt, placing frame is located first pipe body one side, the utility model discloses a filter equipment can carry out the interception filtration to the sundries in first pipe body inside fluid, avoids the sundries in fluid to reach column pipe inside, then deposits in column pipe inner wall, produces the blockage to the inside of column pipe, then the situation of the fluid movement is affected to occur, thereby promotes the use effect of heat exchanger.

Description

Technical Field

[0001] This utility model relates to the field of heat exchangers, and in particular to a heat exchanger that is easy to maintain. Background Technology

[0002] A heat exchanger is a common heat exchange device that transfers heat from one fluid to another through different heat exchange methods to achieve the purpose of heating or cooling. Common types of heat exchangers include shell and tube, plate, and air-cooled types, and they are widely used in industries such as petrochemical, power, and metallurgy.

[0003] A shell-and-tube heat exchanger consists of multiple internal pipes and an outer shell. During operation, the hot fluid flows through the first tube body into the tubes, while the cold fluid flows through the second tube body within the outer shell. Heat exchange occurs between the tubes and the shell walls. The heat exchanger has two sets of detachable flanges, with an additional set added at the other end of the outer shell. This changes the "U"-shaped distribution of the tubes to a straight distribution, facilitating cleaning and maintenance of the inner tube walls. When using the first tube body, impurities in the internal fluid can easily reach the inside of the tubes and deposit on the inner walls, causing blockages and affecting fluid flow, ultimately impacting the heat exchanger's performance. Utility Model Content

[0004] The technical problem this invention aims to solve is that when using the first tube body, impurities in the internal fluid can easily reach the inside of the tube set, then deposit on the inner wall of the tube set, causing blockage inside the tube set, affecting fluid movement, and ultimately affecting the heat exchanger's performance.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a heat exchanger that is easy to maintain, including a shell, a plurality of tubes inside the shell, flanges on both sides of the shell, a first tube on one side of the flange, a second tube on the outer wall of the shell, and a filter device on one side of the first tube, the filter device filtering impurities in the fluid inside the first tube through a filter plate.

[0006] The effects achieved by the above components are as follows: The shell and tube heat exchanger consists of multiple internal pipes and an outer shell. When in operation, the hot fluid flows through the first tube and into the shell and tubes. At this time, a filter device is used to intercept and filter impurities in the fluid inside the first tube. The cold fluid flows through the second tube in the outer shell and exchanges heat through the shell and tube walls. The heat exchanger has two sets of detachable flanges, that is, an additional set is added at the other end of the outer shell, changing the "U"-shaped distribution of the shell and tubes inside the heat exchanger to a straight distribution, which facilitates cleaning and maintenance of the inner wall of the shell and tubes.

[0007] Preferably, the filtering device includes a placement frame, a filter plate, a moving rod, a fixing plate, and bolts. The placement frame is located on one side of the first tube, the filter plate is inside the placement frame, and the filter plate has several filter holes. The filter holes on the filter plate are divided into two groups. One side of the moving rod is connected to the filter plate and slides on one side of the placement frame. The fixing plate is located on the side of the placement frame near the moving rod. The side of the moving rod near the fixing plate has a threaded groove. The bolts are inserted into one side of the fixing plate and reach into the threaded groove on the side of the moving rod to fix the moving rod.

[0008] The effect achieved by the above components is as follows: When using the filter device, the placement frame is fixed to one side of the first tube body. Before the fluid inside the first tube body reaches the tube shell, it passes through a set of filter holes on the filter plate, where impurities are intercepted and filtered. When one set of filter holes on the filter plate becomes clogged, a moving rod fixed to one side of the filter plate slides on one side of the placement frame, causing the filter plate to move. Then, another set of unused filter holes on the filter plate aligns with the second tube body for filtration. The bolt is then rotated to pass through the fixing plate fixed to one side of the placement frame and reach the threaded groove on one side of the moving rod for threaded fixation. After adjusting the position of the moving rod and the filter plate, they are fixed in place. By using the filter device, impurities in the fluid inside the first tube body can be intercepted and filtered, preventing impurities in the fluid from reaching the inside of the tube shell and depositing on the inner wall of the tube shell, causing blockage and affecting fluid movement, thereby improving the heat exchanger's performance.

[0009] Preferably, a plurality of anti-slip blocks are provided on one side of the bolt to increase the friction on one side of the bolt.

[0010] The effect achieved by the above components is that by fixing several anti-slip blocks on one side of the bolt, the friction on one side of the bolt is increased, making the bolt easier to rotate.

[0011] Preferably, the bolt has a tapered block on the side near the moving rod, and the tapered block reduces the size of the moving rod on that side.

[0012] The effect achieved by the above components is that by fixing the conical block to the side of the bolt near the moving rod, the size of one side of the bolt is reduced, making it easier for the bolt to be inserted into the threaded groove on the side of the moving rod.

[0013] Preferably, the placement frame is provided with a rubber ring on the side near the moving rod, and the rubber ring improves the sealing performance between the moving rod and the placement frame.

[0014] The effect achieved by the above-mentioned components is to improve the sealing of the connection between the two by fixing them to the side of the placement frame near the moving rod with rubber rings, thereby improving the performance of the moving rod.

[0015] Preferably, a control frame is provided on the side of the movable rod away from the filter plate, and the control frame increases the dimension of one side of the movable rod.

[0016] The effect achieved by the above components is that by fixing the control frame to the side of the moving rod away from the filter plate, the moving rod is lifted to one side, making it easier to move the moving rod.

[0017] Preferably, the control frame is provided with a reinforcing plate on the side near the moving rod, and the reinforcing plate improves the connection strength between the control frame and the moving rod.

[0018] The effect achieved by the above components is to fix the reinforcing plate to the moving rod and the control frame, thereby increasing the connection strength between the two and preventing deformation at the connection point.

[0019] Preferably, a rubber block is provided on one side of the control frame, and the rubber block increases the friction on one side of the control frame.

[0020] The effect achieved by the above components is that the rubber block is fixed to the control frame, thereby increasing the friction on one side of the control frame, so that the operator can better grip the control frame for use.

[0021] In summary, the beneficial effects of this utility model are as follows:

[0022] By using a filtration device, impurities in the fluid inside the first tube can be intercepted and filtered, preventing impurities from reaching the inside of the tubes and depositing on the inner wall, causing blockages and affecting fluid flow, thereby improving the heat exchanger's performance. Attached Figure Description

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0025] Figure 2 This is a three-dimensional structural diagram of the filtration device of this utility model;

[0026] Figure 3 This utility model Figure 2 A schematic diagram of a partial three-dimensional structure;

[0027] Figure 4 This utility model Figure 3 Enlarged view of point A.

[0028] Legend: 1. Outer shell; 2. Tubes; 3. Flange; 4. First tube body; 5. Second tube body; 6. Filter device; 61. Placement frame; 62. Filter plate; 63. Filter hole; 64. Moving rod; 65. Fixing plate; 66. Bolt; 67. Threaded groove; 68. Anti-slip block; 69. Conical block; 610. Rubber ring; 611. Control frame; 612. Reinforcing plate; 613. Rubber block. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" or "linked" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a mechanical connection or an electrical connection; it can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] Figures 1 to 4 The heat exchanger shown is easy to maintain and includes a shell 1. Inside the shell 1 are several tubes 2. Flanges 3 are located on both sides of the shell 1. A first tube 4 is located on one side of the flange 3. A second tube 5 is located on the outer wall of the shell 1. A filter device 6 is located on one side of the first tube 4. The filter device 6 filters impurities from the fluid inside the first tube 4 using a filter plate 62. The shell-and-tube heat exchanger consists of multiple internal pipes and the shell 1. During operation, the hot fluid flows through the first tube 4 to the tubes 2. The filter device 6 intercepts and filters impurities from the fluid inside the first tube 4. The cold fluid flows through the second tube 5 in the shell 1, exchanging heat through the walls of the tubes 2. The heat exchanger has two sets of detachable flanges, with one set added at the other end of the shell 1, changing the "U"-shaped distribution of the tubes 2 inside the heat exchanger to a straight distribution, facilitating cleaning and maintenance of the inner walls of the tubes 2.

[0032] Figures 1 to 4The filter device 6 shown includes a placement frame 61, a filter plate 62, a moving rod 64, a fixing plate 65, and bolts 66. The placement frame 61 is located on one side of the first tube 4. The filter plate 62 is located inside the placement frame 61, and the filter plate 62 has several filter holes 63. The filter holes 63 on the filter plate 62 are divided into two groups. One side of the moving rod 64 is connected to the filter plate 62 and slides on one side of the placement frame 61. The fixing plate 65 is located on the side of the placement frame 61 near the moving rod 64. The side of the moving rod 64 near the fixing plate 65 has a threaded groove 67. The bolts 66 are inserted into one side of the fixing plate 65 and reach into the threaded groove 67 on the side of the moving rod 64 to fix the moving rod 64.

[0033] Figures 1 to 4 When using the filter device 6 as shown, the placement frame 61 is fixed to one side of the first tube 4. Before reaching the tube 2, the fluid inside the first tube 4 passes through a set of filter holes 63 on the filter plate 62, where impurities are intercepted and filtered. When one set of filter holes 63 on the filter plate 62 becomes clogged, a movable rod 64 fixed to one side of the filter plate 62 slides on one side of the placement frame 61, causing the filter plate 62 to move. Then, another set of unused filter holes 63 on the filter plate 62 aligns with the second tube 5 for filtration. Then, rotate the bolt 66 so that it passes through the fixing plate 65 fixed on one side of the placement frame 61 and reaches the threaded groove 67 on one side of the moving rod 64 for threaded fixing. Then, fix the moving rod 64 and the filter plate 62 after adjusting their positions. By using the filter device 6, impurities in the fluid inside the first tube 4 can be intercepted and filtered, preventing impurities in the fluid from reaching the inside of the tube 2 and depositing on the inner wall of the tube 2, causing blockage inside the tube 2, and affecting the fluid movement, thereby improving the heat exchanger's performance.

[0034] Figures 1 to 4 The bolt 66 shown has several anti-slip blocks 68 on one side to increase the friction on that side. By fixing several anti-slip blocks 68 to one side of the bolt 66, the friction on that side is increased, making it easier for the bolt 66 to rotate. A tapered block 69 is provided on the side of the bolt 66 near the moving rod 64, reducing the size of that side of the moving rod 64. By fixing the tapered block 69 to the side of the bolt 66 near the moving rod 64, the size of that side of the bolt 66 is reduced, making it easier for the bolt 66 to insert into the threaded groove 67 on the side of the moving rod 64.

[0035] Figures 1 to 4A rubber ring 610 is provided on the side of the placement frame 61 near the moving rod 64. The rubber ring 610 improves the seal between the moving rod 64 and the placement frame 61. By fixing the placement frame 61 to the side near the moving rod 64 with the rubber ring 610, the seal at the connection between the two is improved, thereby improving the performance of the moving rod 64. A control frame 611 is provided on the side of the moving rod 64 away from the filter plate 62. The control frame 611 increases the dimension of one side of the moving rod 64. By fixing the control frame 611 to the side of the moving rod 64 away from the filter plate 62, the dimension of one side of the moving rod 64 is increased, making it easier to move the moving rod 64.

[0036] Figures 1 to 4 The control frame 611 shown has a reinforcing plate 612 near the moving rod 64, which enhances the connection strength between the control frame 611 and the moving rod 64. The reinforcing plate 612 is used to fix the control frame 611 to the moving rod 64 and the control frame 611, thus increasing the connection strength and preventing deformation at the connection point. A rubber block 613 is provided on one side of the control frame 611, which increases the friction on that side. The rubber block 613 is used to fix the control frame 611, further increasing the friction on that side, allowing the operator to grip the control frame 611 more effectively.

[0037] Working principle: The shell and tube heat exchanger consists of multiple internal pipes and an outer shell 1. During operation, the hot fluid flows through the first tube 4 to the inside of the shell and tube 2. At this time, the filter device 6 is used to intercept and filter impurities in the fluid inside the first tube 4. The cold fluid flows through the second tube 5 in the outer shell 1 and exchanges heat through the wall of the shell and tube 2. The heat exchanger has two sets of detachable flanges, that is, an additional set is added at the other end of the outer shell 1, which changes the "U"-shaped distribution of the shell and tube 2 inside the heat exchanger to a straight distribution, making it easier to clean and maintain the inner wall of the shell and tube 2. When using the filter device 6, the placement frame 61 is fixed to one side of the first tube 4. Before reaching the tube 2, the fluid inside the first tube 4 passes through a set of filter holes 63 on the filter plate 62, where impurities are intercepted and filtered. When one set of filter holes 63 on the filter plate 62 becomes clogged, a movable rod 64 fixed to one side of the filter plate 62 slides along one side of the placement frame 61, causing the filter plate 62 to move. Then, the other set of unused filter holes 63 on the filter plate 62 aligns with the second tube 5 for filtration. Then, rotate bolt 66 so that it passes through the fixing plate 65 fixed on one side of the placement frame 61 and reaches the threaded groove 67 on one side of the moving rod 64 for threaded fixing. Then, fix the moving rod 64 and the filter plate 62 after adjusting their positions. By using the filter device 6, impurities in the fluid inside the first tube 4 can be intercepted and filtered, preventing impurities in the fluid from reaching the inside of the tube 2 and depositing on the inner wall of the tube 2, causing blockage inside the tube 2, and affecting the fluid movement, thereby improving the heat exchanger's performance.

[0038] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or equivalent variations to the disclosed technical content and apply them to other fields. However, any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, shall still fall within the protection scope of this utility model's technical solution. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through specific circumstances.

Claims

1. A heat exchanger that is easy to maintain, comprising a shell (1), characterized in that: The outer shell (1) has several tubes (2) inside. Flanges (3) are provided on both sides of the outer shell (1). A first tube (4) is provided on one side of the flange (3). A second tube (5) is provided on the outer wall of the outer shell (1). A filter device (6) is provided on one side of the first tube (4). The filter device (6) filters impurities in the fluid inside the first tube (4) through a filter plate (62). The filter device (6) includes a placement frame (61), a filter plate (62), a moving rod (64), a fixing plate (65), and bolts (66). The placement frame (61) is located on one side of the first tube (4). The filter plate... (62) is located inside the placement frame (61), and the filter plate (62) has a number of filter holes (63). The filter holes (63) on the filter plate (62) are divided into two groups. One side of the moving rod (64) is connected to the filter plate (62) and slides on one side of the placement frame (61). The fixing plate (65) is set on the side of the placement frame (61) near the moving rod (64). The moving rod (64) has a threaded groove (67) on the side near the fixing plate (65). The bolt (66) is inserted on one side of the fixing plate (65) and reaches the threaded groove (67) on one side of the moving rod (64) to fix the moving rod (64).

2. The heat exchanger for easy maintenance according to claim 1, characterized in that: The bolt (66) has several anti-slip blocks (68) on one side to increase the friction on one side of the bolt (66).

3. The heat exchanger for easy maintenance according to claim 2, characterized in that: The bolt (66) has a tapered block (69) on the side near the moving rod (64), and the tapered block (69) reduces the size of one side of the moving rod (64).

4. A heat exchanger that is easy to maintain according to claim 3, characterized in that: The placement frame (61) is provided with a rubber ring (610) on the side near the moving rod (64), and the rubber ring (610) improves the sealing of the moving rod (64) and the placement frame (61).

5. A heat exchanger that is easy to maintain according to claim 4, characterized in that: A control frame (611) is provided on the side of the moving rod (64) away from the filter plate (62), and the control frame (611) increases the dimension of one side of the moving rod (64).

6. A heat exchanger that is easy to maintain according to claim 5, characterized in that: The control frame (611) is provided with a reinforcing plate (612) on the side near the moving rod (64), and the reinforcing plate (612) enhances the connection strength between the control frame (611) and the moving rod (64).

7. A heat exchanger that is easy to maintain according to claim 6, characterized in that: A rubber block (613) is provided on one side of the control frame (611), and the rubber block (613) increases the friction on one side of the control frame (611).

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