A compressed air aftercooler

Abstract

The application discloses a compressed air rear cooler and belongs to the field of coolers.The compressed air rear cooler comprises a circular shell, a gas inlet and a gas outlet on both sides of the circular shell, a plurality of groups of support fin heat exchange pipes which are uniformly arranged on the circular shell, a disc body which is connected to the upper and lower ends of the support fin heat exchange pipes, and a rotating piece which is arranged in the circular shell and is driven to rotate by the disc body through gas flow.The compressed air rear cooler is characterized in that the gas inlet and the gas outlet are perpendicular to the support fin heat exchange pipes, thereby reducing the temperature difference between the two ends, the support fin heat exchange pipes are arranged as an outer tube and an inner tube, and the gas can flow more smoothly, and the rotating piece is arranged at the center of the circular shell, the rotating piece is driven to rotate by the flowing gas flow, and all the support fin heat exchange pipes are rotated to change positions, the support fin heat exchange pipes at the two ends of the gas inlet and the gas outlet are interchanged, and the temperature difference between the two ends can be better reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cooler, in particular to a compressed air rear cooler. BACKGROUND

[0002] Cooler is a kind of heat exchange equipment, used to cool fluid. Usually water or air is used as coolant to remove heat. It can be mainly divided into column tube cooler, plate cooler and air-cooled cooler. Cooler is a heat exchange device widely used in metallurgy, chemical industry, energy, transportation, light industry, food and other industrial departments.

[0003] The current market cooler processes the entering gas in the production process through the heat exchange pipe inside, recovers the excess heat in the gas, and because of the large temperature difference between the two sides of the heat exchange pipe of the cooler, the temperature of the heat exchange pipe changes during heat exchange, which affects the service life of the heat exchange pipe. At the same time, the contact area of the gas entering the device with the heat exchange pipe affects the cooling efficiency of the cooler. Generally, the number of heat exchange pipes is increased, but the number and volume of heat exchange pipes are increased, which affects the circulation of gas in the cooler, and further affects the ventilation effect of the cooler. When the number of heat exchange pipes is small, the heat exchange efficiency is greatly reduced. Therefore, the present application provides a compressed air rear cooler. SUMMARY

[0004] The present application provides a compressed air rear cooler, which is provided with a gas inlet and a gas outlet perpendicular to the branch fin heat exchange pipe, so as to reduce the temperature difference at both ends. A rotating member is arranged at the center of the circular shell, so as to drive all the branch fin heat exchange pipes to change position, thereby better reducing the temperature difference at both ends. The branch fin heat exchange pipe is arranged as an outer pipe and an inner pipe, so that the gas can pass more smoothly. In order to solve the above technical problems, the present application solves the problems by the following technical scheme.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] A compressed air rear cooler, comprising a circular shell and a gas inlet and a gas outlet on both sides of the circular shell, the left side is the gas inlet, and the right side is the gas outlet, the circular shell is uniformly provided with a plurality of groups of branch fin heat exchange pipes, the upper and lower ends of the branch fin heat exchange pipe are connected with a disc body, a rotating member is arranged in the circular shell, the rotating member drives the disc body to rotate by air flow, thereby driving the branch fin heat exchange pipe to rotate, and completing the position change of the branch fin heat exchange pipe.

[0007] Preferably, the gas inlet and the gas outlet are located at the same horizontal height, and the branch fin heat exchange pipe is vertically arranged and perpendicular to the side surface of the branch fin heat exchange pipe.

[0008] Preferably, the branch heat exchange pipes are circularly distributed, and the rotating member is located at the center of the branch heat exchange pipes to facilitate rotation of the disc body.

[0009] Preferably, the rotating member comprises a first plate body, a second plate body, a rotating shaft and blades, the rotating shaft is located between the first plate body and the second plate body, and a part of the blades protrude from the first plate body to contact the airflow.

[0010] Preferably, the first plate body and the second plate body are arc-shaped plates, the first plate body and the second plate body are located in the same circular cross section, and the two ends form channels for the airflow to enter and exit.

[0011] Preferably, the first end of the first plate body is fixed with an arc-shaped guide plate, the guide plate is used to block the airflow to prevent the airflow from flowing to the first plate body, and the guide plate and the arc-shaped surface of the first end of the second plate body form an airflow guide channel.

[0012] Preferably, the second end of the first plate body is fixed with a sealing plate, the sealing plate and the arc-shaped surface of the second plate body form an airflow outlet channel to prevent the airflow from being scattered.

[0013] Preferably, the first plate body and the second plate body extend downward to form a disc body, the two ends of the rotating shaft extend to the disc body, and a transmission mechanism is arranged between the upper end of the rotating shaft and the disc body to intermittently drive the disc body to rotate.

[0014] Preferably, the transmission mechanism comprises a semicircular plate, a rod body, a spring and a limiting member, the semicircular plate is fixed with the rotating shaft, the rod body is in sliding fit with the disc body, the two ends of the spring are fixed with the rod body and the disc body respectively, and the end of the rod body is in contact with the limiting member.

[0015] Preferably, an adjusting bolt is arranged between the semicircular plate and the rotating shaft, a slide rod is arranged below the adjusting bolt, one end of the slide rod is fixedly connected with the rotating shaft, the other end is in sliding connection with the semicircular plate, the adjusting bolt is in threaded connection with the slide rod, and the end of the adjusting bolt is in rotational fit with the semicircular plate.

[0016] Compared with the prior art, the compressed air rear cooler has the following beneficial effects: the gas inlet and the gas outlet are arranged vertically with the branch heat exchange pipes to reduce the temperature difference between the two ends, the branch heat exchange pipes are arranged as outer pipes and inner pipes, the gas can pass more smoothly, the rotating member is arranged at the center of the circular shell, the rotating member is driven to rotate by the flowing gas, all the branch heat exchange pipes are rotated to change positions, the branch heat exchange pipes at the two ends of the gas inlet and the gas outlet are exchanged, and the temperature difference between the two ends can be better reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0018] Figure 1 Fig. 1 is a schematic diagram of the overall structure of the compressed air rear cooler of the present application.

[0019] Figure 2 Fig. 2 is a schematic diagram of the gas outlet of the compressed air rear cooler of the present application.

[0020] Figure 3 Fig. 3 is a schematic diagram of the inside of the circular shell of the compressed air rear cooler of the present application.

[0021] Figure 4 Fig. 4 is a schematic diagram of the branch heat exchange pipe and transmission mechanism of the compressed air rear cooler of the present application.

[0022] Figure 5 Fig. 5 is a schematic diagram of the branch heat exchange pipe of the compressed air rear cooler of the present application. Figure 4 Fig. 6 is an enlarged schematic diagram of A in Fig. 5.

[0023] Figure 6 Fig. 7 is a schematic diagram of the rotating member, flow guide plate and sealing plate of the compressed air rear cooler of the present application.

[0024] Figure 7 Fig. 8 is a schematic diagram of the cross section of the branch heat exchange pipe of the compressed air rear cooler of the present application.

[0025] Figure 8 Fig. 9 is a schematic diagram of the fixing of the first plate body and the second plate body of the compressed air rear cooler of the present application.

[0026] Fig. 1 is a schematic diagram of the overall structure of the compressed air rear cooler of the present application. DETAILED DESCRIPTION

[0027] The present application will be described in further detail below with reference to the drawings.

[0028] The following description is presented to enable any person skilled in the art to practice the application as claimed. Preferred embodiments are presented in the following description only as examples and modifications can be made by persons skilled in the art without departing from the spirit and scope of the application as defined by the following claims. The following description defines in general terms the principles of the application that can be applied to other embodiments, variations, improvements, equivalents and other technical solutions without departing from the spirit and scope of the application.

[0029] It should be understood by those skilled in the art that in the disclosure of the present application, the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or position shown in the drawings, which are only for the convenience of the simplified description of the present application, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as a limitation of the present application.

[0030] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation of the number.

[0031] Please refer to Figures 1-8 A compressed air rear cooler, which includes a circular shell 1 and gas inlets 11 and gas outlets 12 on both sides of the circular shell 1, as Figure 1 shown, the left side of the circular shell 1 is connected with a gas diffusion plate, and the right side has a gas contraction plate, the diffusion plate has a gas inlet 11, and the contraction plate is a gas outlet 12, one side of the top of the circular shell 1 is provided with a cylindrical steam pocket 13, and the top of the steam pocket 13 is provided with a steam outlet; the main function of the steam pocket 13 is to concentrate and store high-temperature steam, and a small amount of superheated water exists in the high-temperature steam, which is separated by the steam pocket 13, facilitating the use of high-temperature steam for the next industrial production, and the bottom of the circular shell 1 is provided with a preheating component. The circular shell 1 is uniformly provided with a plurality of groups of support fin heat exchange pipes 2, the upper and lower ends of the support fin heat exchange pipes 2 are connected with disc bodies 3, and a rotating member 4 is arranged in the circular shell 1, the rotating member 4 is driven to rotate by the airflow, and in turn drives the disc bodies 3 to rotate, thereby driving the support fin heat exchange pipes 2 to rotate, and completing the position exchange of the support fin heat exchange pipes 2. The support fin heat exchange pipe 2 is composed of two outer pipes 21 and an inner pipe 22, the two outer pipes 21 are arc bodies, and the inner pipe 22 is in the middle of the two outer pipes 21, forming an arc-shaped airflow passage between the inner pipe 22 and the outer pipe 21.

[0032] The gas inlet 11 and the gas outlet 12 are located at the same horizontal height and are perpendicular to the side of the finned heat exchange pipe 2, the finned heat exchange pipe 2 is vertically arranged, the air flow formed by the air entering the circular shell 1 is perpendicular to the finned heat exchange pipe 2, and the temperature difference of the finned heat exchange pipe 2 at the gas inlet 11 and the gas outlet 12 is reduced.

[0033] The finned heat exchange pipes 2 are circularly distributed, the channels formed by the two outer pipes 21 are parallel to the connecting line of the air inlet and the air outlet. The rotating member 4 is located at the center position of the finned heat exchange pipe 2, and the rotating member 4 is rotated to conveniently drive the disc body 3 to rotate.

[0034] The rotating member 4 comprises a first plate body 41, a second plate body 42, a rotating shaft 43 and blades 44, the circumferential surface of the rotating shaft 43 is provided with a plurality of blades 44, the blades 44 are uniformly distributed on the rotating shaft 43, the air is input into the circular shell 1 after being compressed to form an air flow, the air flow drives the blades 44 to rotate, the rotating shaft 43 is located between the first plate body 41 and the second plate body 42, a part of the blades 44 leaks out of the first plate body 41 and is used for contacting the air flow, and the other part of the blades 44 is hidden, so that the blades 44 always rotate in one direction, the blades 44 drive the rotating shaft 43 to rotate, the rotating shaft 43 drives the disc body 3 to rotate, the disc body 3 drives the position of the finned heat exchange pipe 2 to be exchanged, and the finned heat exchange pipe 2 of the gas outlet 12 is rotated and exchanged to the position of the air flow gas inlet 11.

[0035] The first plate body 41 and the second plate body 42 are both arc-shaped plates, the shapes of the first plate body 41 and the second plate body 42 are the same as the shape of the outer pipe 21, the first plate body 41 and the second plate body 42 are in the same circular cross section, and the two ends form air flow entering and exiting channels for the air flow to pass through.

[0036] The first end of the first plate body 41 is fixed with an arc-shaped flow guide plate 5, the flow guide plate 5 is used for blocking the air flow to prevent the air flow from flowing to the direction of the first plate body 41 and then contacting the shielded blades 44 to prevent the blades 44 from rotating irregularly or repeatedly. The arc-shaped surface of the first end of the second plate body 42 and the flow guide plate 5 form an air flow guide channel, the exposed blades 44 are in the guide channel, the arc-shaped surface of the flow guide plate 5 guides the air flow into the guide channel and then drives the blades 44 to rotate.

[0037] The second end of the first plate body 41 is fixed with a sealing plate 6, the sealing plate 6 and the arc-shaped surface of the second plate body 42 form an air flow exiting channel to prevent the air flow from being scattered. The flow guide plate 5, the sealing plate 6 and the circumferential surface of the rotating shaft 43 therebetween are one side, the arc-shaped surface of the second plate body 42 is the other side, and a stable air flow guide channel is formed between the two sides, and the air flow blows the blades 44 in the air flow guide channel when passing through.

[0038] The first plate body 41 and the second plate body 42 extend downwardly out of the disc body 3, the two ends of the rotating shaft 43 extend out of the disc body 3, the first plate and the second plate body 42 penetrate the disc body 3 at the lower side, the upper end of the rotating shaft 43 extends above the disc body 3, and the transmission mechanism 7 is arranged between the upper end of the rotating shaft 43 and the disc body 3 for intermittently driving the disc body 3 to rotate. The transmission mechanism 7 is arranged at the upper side of the disc body 3, and therefore the disc body 3 is provided with the transition piece 8 at the upper side and the lower side. The transition piece 8 is connected with the circular shell 1 and communicates with the steam pocket 13 through a pipeline. The disc body 3 is rotationally matched with the transition piece 8, and does not affect the communication of the finned heat exchange pipe 2 with the steam pocket 13 through the transition piece. The finned heat exchange pipe 2 can still be connected with the steam pocket 13 through the transition piece 8 during the rotation.

[0039] The transmission mechanism 7 comprises a semicircular plate 71, a rod body 72, a spring 73 and a limiting piece 74. The semicircular plate 71 is fixed with the rotating shaft 43. The rod body 72 is slidingly matched with the disc body 3. The disc body 3 has a protruding block on the upper surface. The rod body 72 penetrates the protruding block. The two ends of the spring 73 are fixed with the rod body 72 and the disc body 3 respectively. Specifically, the spring 73 is sleeved on the rod body 72. The end of the rod body 72 is in contact with the limiting piece 74. The limiting piece 74 is fixedly connected with the circular shell 1. The outer end of the rod body 72 is bent downwardly to form a vertical segment 721. The vertical segment 721 is in contact with the limiting piece 74. When the vertical segment 721 is in contact with the limiting piece 74, the spring 73 is in a compressed state. The limiting piece 74 is a ring body with the first end and the second end not connected. The limiting piece 74 has a guide segment 741 at one end in the rotating direction of the disc body 3. The guide segment 741 is outwardly bent into an arc shape for the elastic movement of the rod body 72.

[0040] As shown in Figure 3 , two symmetrical rod bodies 72 are arranged. One rod body 72 is located at the first end and the second end of the limiting piece 74. The rod body 72 is outwardly moved due to the spring 73. The semicircular plate 71 is separated from the rod body 72, so that the semicircular plate 71 cannot drive the disc body 3 to rotate through the rod body 72. The other rod body 72 is in a limiting state. The rod body 72 is moved toward the rotating shaft 43 due to the spring 73. When the semicircular plate 71 is rotated to this position, the rod body 72 can be moved with the semicircular plate 71. The rod body 72 drives the disc body 3 to move through the protruding block. The disc body 3 drives the finned heat exchange pipe 2 to change the position, so as to reduce the temperature difference of the finned heat exchange pipe 2 at the gas inlet 11 and the gas outlet 12.

[0041] In use, as shown in Figure 3As shown, the semicircular plate 71 is separated from the rod 72 as the initial state, the rotating shaft 43 rotates to drive the semicircular plate 71 to rotate, and the semicircular plate 71 rotates half a circle. In this process, the disc body 3 and the branch heat exchange pipe 2 are not moved, and when the semicircular plate 71 contacts the rod 72 at the compression spring 73, the disc body 3 and the branch heat exchange pipe 2 are driven to rotate, and rotate half a circle. When the semicircular plate 71 is separated from the rod 72 at the limit plate head and tail, the rod 72 rotates together with the disc body 3, and under the action of the guide section 741, the compression spring 73 moves the rod 72 to the rotating shaft 43. When the semicircular plate 71 is separated from the rod 72 at the limit plate head and tail, the other rod 72 stops rotating. The rotating shaft 43 rotates one circle, and the disc body 3 rotates half a circle, and the cycle is repeated. Rotating half a circle still makes the two outer pipes 21 form a channel parallel to the connecting line of the air inlet and the air outlet.

[0042] The semicircular plate 71 and the rotating shaft 43 are provided with an adjusting bolt 75, and the lower part of the adjusting bolt 75 is provided with a slide rod 76. One end of the slide rod 76 is fixedly connected with the rotating shaft 43, and the other end is slidably connected with the semicircular plate 71. The adjusting bolt 75 is threadedly connected with the slide rod 76, and the end part thereof is rotationally connected with the semicircular plate 71. The slide rod 76 limits the semicircular plate 71, preventing it from rotating with the adjusting bolt 75. Rotating the adjusting bolt 75 makes the semicircular plate 71 slide to the rotating shaft 43, so that it does not contact any rod 72 during one rotation. At this time, the disc body 3 and the branch heat exchange pipe 2 do not rotate. By adjusting the adjusting bolt 75, it can be selected whether the branch heat exchange pipe 2 rotates according to the demand.

[0043] It should be understood by those skilled in the art that the embodiments of the application described above and shown in the drawings are only examples and do not limit the application. The purpose of the application has been fully and effectively achieved. The function and structural principle of the application have been shown and described in the embodiments, and the embodiments of the application can be modified or changed without departing from the principles.

Claims

1. A compressed air aftercooler, comprising a circular housing (1) and gas inlets (11) and gas outlets (12) on both sides of the circular housing (1), characterized in that: The circular shell (1) is uniformly provided with multiple sets of branch-type heat exchange tubes (2). The upper and lower ends of the branch-type heat exchange tubes (2) are connected to a disc (3). A rotating component (4) is provided inside the circular shell (1). The rotating component (4) drives the disc (3) to rotate through airflow. The rotating component (4) includes a first plate (41), a second plate (42), a rotating shaft (43), and blades (44). A transmission mechanism (7) is provided between the upper end of the rotating shaft (43) and the disc (3) for intermittently driving the disc (3) to rotate. The transmission mechanism (7) includes a semi-circular plate (71), a rod (72), a spring (73), and a limiting component (74). The semicircular plate (71) is fixed to the rotating shaft (43), the rod (72) is slidably engaged with the disc (3), the two ends of the spring (73) are fixed to the rod (72) and the disc (3) respectively, the end of the rod (72) is in contact with the limiting member (74), an adjusting bolt (75) is provided between the semicircular plate (71) and the rotating shaft (43), a sliding rod (76) is provided below the adjusting bolt (75), one end of the sliding rod (76) is fixedly connected to the rotating shaft (43), the other end is slidably connected to the semicircular plate (71), the adjusting bolt (75) is threadedly connected to the sliding rod (76), and its end is rotatably engaged with the semicircular plate (71).

2. The compressed air aftercooler according to claim 1, characterized in that: The gas inlet (11) and gas outlet (12) are located at the same horizontal level and are perpendicular to the side of the branch heat exchange tube (2).

3. A compressed air aftercooler according to claim 2, characterized in that: The branch-type heat exchange tubes (2) are arranged in a circular pattern, and the rotating component (4) is located at the center of the branch-type heat exchange tubes (2).

4. A compressed air aftercooler according to claim 3, characterized in that: The rotating shaft (43) has multiple blades (44) distributed on its circumferential surface. The rotating shaft (43) is located between the first plate (41) and the second plate (42).

5. A compressed air aftercooler according to claim 4, characterized in that: The first plate (41) and the second plate (42) are both arc-shaped plates. The first plate (41) and the second plate (42) are in the same circular cross section, and the two ends form channels for airflow to enter and exit, for airflow to pass through.

6. A compressed air aftercooler according to claim 5, characterized in that: An arc-shaped guide plate (5) is fixed at the first end of the first plate (41), and the guide plate (5) and the arc-shaped surface at the first end of the second plate (42) form an airflow guiding channel.

7. A compressed air aftercooler according to claim 6, characterized in that: A sealing plate (6) is fixed at the second end of the first plate (41), and the sealing plate (6) and the arc surface of the second plate (42) form an airflow channel.

8. A compressed air aftercooler according to claim 7, characterized in that: The first plate (41) and the second plate (42) extend downward to form a disc (3), and the two ends of the rotating shaft (43) extend out to form a disc (3).

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