An aftercooler suitable for large flow heat exchange

Abstract

The present invention provides an aftercooler suitable for large-flow heat exchange, which evenly disperses a large amount of flow medium to various heat exchange areas of the shell side, and then converges and flows out, so that the heat exchange efficiency is high and the demand for large-flow heat exchange is met. It includes: an aftercooler body, which includes a heat exchange cavity, a tube side inlet part, a tube side outlet part, and a plurality of heat exchange tubes; an inlet manifold; and an outlet manifold; a plurality of liquid inlets are arranged along the length direction on one side of the outer wall of the heat exchange cavity, and a plurality of liquid outlets are arranged along the length direction at another angular position of the outer wall of the heat exchange cavity; the inlet manifold is arranged along the length direction of the liquid inlet, and a total liquid inlet is provided at the middle position of the inlet manifold away from the length direction of the liquid inlet, and a liquid inlet port is provided on the length direction side of the inlet manifold corresponding to each liquid inlet, and the liquid inlet port is connected to the liquid inlet at the corresponding position.

Description

Technical Field

[0001] The present invention relates to the technical field of aftercooler structures, and in particular to an aftercooler suitable for large-flow heat exchange. Background Art

[0002] The existing aftercooler has heat exchange tubes arranged in the heat exchange cavity to perform heat exchange operations on the medium passing through the shell side of the heat exchange cavity, thereby cooling the shell side medium. In actual processes, the shell side inlet and outlet settings of the existing aftercooler are low in heat exchange efficiency when encountering a large flow of medium that needs to be heat exchanged, and cannot meet the heat exchange requirements. Therefore, it is urgent to develop an aftercooler suitable for large flow heat exchange. Summary of the Invention

[0003] In response to the above problems, the present invention provides an aftercooler suitable for large-flow heat exchange, which evenly disperses a large amount of flow medium to various heat exchange areas in the shell side, and then converges and flows out, so that the heat exchange efficiency is high and the needs of large-flow heat exchange are met.

[0004] An aftercooler suitable for large flow heat exchange, characterized in that it comprises:

[0005] The aftercooler body includes a heat exchange cavity, a tube inlet portion, a tube outlet portion, and a plurality of heat exchange tubes;

[0006] Inlet manifold;

[0007] and outlet manifold;

[0008] A plurality of liquid inlets are arranged along the length direction on one side of the outer wall of the heat exchange cavity, and a plurality of liquid outlets are arranged along the length direction at another angular position of the outer wall of the heat exchange cavity;

[0009] The inlet manifold is arranged along the length direction of the liquid inlet, a main liquid inlet is provided at a middle position of the inlet manifold away from the liquid inlet in the length direction, and a liquid inlet port is provided at a position corresponding to each liquid inlet on the length direction side of the inlet manifold, and the liquid inlet port is connected to the liquid inlet at the corresponding position;

[0010] The outlet manifold is arranged in the opposite direction along the length of the liquid outlet, a main liquid outlet is provided at the middle position of the outlet manifold on the side away from the liquid outlet in the length direction, and a liquid outlet port is provided at the position corresponding to each liquid outlet on the length direction side of the outlet manifold, and the liquid outlet port is connected to the liquid outlet at the corresponding position;

[0011] The two ends of the heat exchange cavity in the longitudinal direction are respectively separated by end partitions and the tube side inlet part and the tube side outlet part. The end partitions are provided with heat exchange tube through holes. Each heat exchange tube is arranged along the length direction through the corresponding heat exchange tube through holes of the two end partitions. The inlet end of each heat exchange tube is connected to the inner cavity of the tube side inlet part, and the outlet end of each heat exchange tube is connected to the inner cavity of the tube side outlet part. The tube side inlet part is provided with a medium inlet, and the tube side outlet part is provided with a medium outlet.

[0012] It is further characterized by:

[0013] Each adjacent group of liquid inlets and liquid outlets is arranged in a one-to-one correspondence, and the space area corresponding to each group of liquid inlets and liquid outlets is separated by a baffle. The baffle ensures that the liquid medium flowing in through the corresponding liquid inlet flows out through the corresponding liquid outlet, ensuring that the heat exchange cavity is evenly divided into several parts to perform heat exchange operations on the medium in the tube side respectively;

[0014] Each baffle is provided with a through avoidance hole at a position corresponding to the heat exchange tube, which ensures the normal assembly operation of the heat exchange tube;

[0015] The liquid outlet ports are tightly connected to each other via corresponding flange joints and pipelines; the liquid inlet ports are tightly connected to each other via corresponding flange joints and pipelines;

[0016] A guide plate is arranged directly below the total liquid inlet, and the guide plate evenly guides the inflowing liquid to flow out to the corresponding liquid inlet port.

[0017] After adopting the present invention, a large flow of liquid is diverted to several liquid inlet ports through the inlet collecting pipe, and then the liquid is heat exchanged in each group of heat exchange cavities in the length direction and flows to the outlet collecting pipe through the liquid outlet, and then collected through the outlet collecting pipe and flows out from the total liquid outlet; it evenly disperses a large amount of flow medium to each heat exchange area of the shell side, and then converges and flows out, so that the heat exchange efficiency is high and the demand for large flow heat exchange is met. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0019] Figure 2 for Figure 1 A side view structural diagram of ;

[0020] Figure 3 is a cross-sectional view of the aftercooler body of the present invention;

[0021] Figure 4 is a schematic diagram of the inlet manifold of the present invention;

[0022] The names corresponding to the serial numbers in the figure are as follows:

[0023] Aftercooler body 10, inlet manifold 20, total liquid inlet 21, liquid inlet port 22, outlet manifold 30, total liquid outlet 31, liquid outlet port 32, heat exchange cavity 40, liquid inlet 41, liquid outlet 42, tube side inlet portion 50, medium inlet 51, tube side outlet portion 60, medium outlet 61, heat exchange tube 70, end partition 80, baffle 90, guide plate 100. DETAILED DESCRIPTION

[0024] An aftercooler suitable for large flow heat exchange, see Figures 1-4 , which includes an aftercooler body 10, an inlet manifold 20, and an outlet manifold 30;

[0025] The aftercooler body 10 includes a heat exchange cavity 40, a tube-side inlet portion 50, a tube-side outlet portion 60, and a plurality of heat exchange tubes 70. The tube-side inlet portion 50 and the tube-side outlet portion 60 are both provided with elliptical end caps. The heat exchange cavity 40 is a horizontal cylindrical structure. After the internal heat exchange tubes 70 of the heat exchange cavity 40 are assembled, the corresponding tube-side inlet portion 50 and the tube-side outlet portion 60 are welded at both ends to complete the assembly.

[0026] A plurality of liquid inlets 41 are arranged along the length direction on one side of the outer wall of the heat exchange cavity 40, and a plurality of liquid outlets 42 are arranged along the length direction at another angular position of the outer wall of the heat exchange cavity 40;

[0027] The inlet manifold 20 is arranged along the length direction of the liquid inlet 41. A main liquid inlet 21 is provided at the middle position of the inlet manifold 20 on the side away from the liquid inlet 41 in the length direction. A liquid inlet port 22 is provided at a position corresponding to each liquid inlet 41 on the length direction side of the inlet manifold 20. The liquid inlet port 22 is connected to the liquid inlet 41 at the corresponding position.

[0028] The outlet manifold 30 is arranged in the opposite direction along the length of the liquid outlet 42. A main liquid outlet 31 is provided in the middle of the outlet manifold 30 on the side away from the liquid outlet 42 in the length direction. A liquid outlet port 32 is provided on the length direction side of the outlet manifold 30 at a position corresponding to each liquid outlet 42. The liquid outlet port 32 is connected to the liquid outlet 42 at the corresponding position.

[0029] The two ends of the heat exchange cavity 40 in the longitudinal direction are respectively separated from the tube side inlet part 50 and the tube side outlet part 60 by end partitions 80. The end partitions 80 are provided with heat exchange tube through holes. Each heat exchange tube 70 is arranged along the longitudinal direction through the corresponding heat exchange tube through holes of the two end partitions 80. The inlet end of each heat exchange tube 70 is connected to the inner cavity of the tube side inlet part 50, and the outlet end of each heat exchange tube 70 is connected to the inner cavity of the tube side outlet part 60. A medium inlet 51 is provided on the tube side inlet part 50, and a medium outlet 61 is provided on the tube side outlet part 60.

[0030] In a specific implementation, four liquid inlets 41 are arranged at equal intervals along the length direction on one side of the outer wall of the heat exchange cavity 40, and four liquid outlets 42 are arranged along the length direction at another angular position around the outer wall of the heat exchange cavity 40. The circumferential angles of the liquid inlets 41 and the liquid outlets 42 differ by 90 degrees.

[0031] Each adjacent group of liquid inlets 41 and liquid outlets 42 is arranged in a one-to-one correspondence, and the space area corresponding to each group of liquid inlets 41 and liquid outlets 42 is separated by a baffle 90. The baffle 90 ensures that the liquid medium flowing in through the corresponding liquid inlet 41 flows out through the corresponding liquid outlet 42, ensuring that the heat exchange cavity 40 is evenly divided into several parts to perform heat exchange operations on the medium in the tube side respectively;

[0032] Each baffle 90 is provided with a through avoidance hole corresponding to the position of the heat exchange tube 70, which ensures the normal assembly operation of the heat exchange tube; the liquid outlet port 32 and the liquid outlet port 42 are fastened together by corresponding flange joints and pipelines; the liquid inlet port 22 and the liquid inlet 41 are fastened together by corresponding flange joints and pipelines; three guide plates 100 are arranged directly below the total liquid inlet 21, and the three guide plates 100 evenly guide the inflowing liquid to the corresponding four liquid inlet ports 22 for outflow.

[0033] Its working principle is as follows: a large flow of liquid is diverted to several liquid inlet ports through the inlet manifold, and then the liquid is heat exchanged in each group of heat exchange cavities in the length direction and flows to the outlet manifold through the liquid outlet, and then collected through the outlet manifold and flows out from the total liquid outlet; it evenly disperses a large amount of flow medium to each heat exchange area of the shell side, and then converges and flows out, so that the heat exchange efficiency is high and the demand for large flow heat exchange is met.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0035] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An aftercooler suitable for large flow heat exchange, characterized in that: It includes: The aftercooler body includes a heat exchange cavity, a tube inlet portion, a tube outlet portion, and a plurality of heat exchange tubes; Inlet manifold; and outlet manifold; A plurality of liquid inlets are arranged along the length direction on one side of the outer wall of the heat exchange cavity, and a plurality of liquid outlets are arranged along the length direction at another angular position of the outer wall of the heat exchange cavity; The inlet manifold is arranged along the length direction of the liquid inlet, a main liquid inlet is provided at a middle position of the inlet manifold away from the liquid inlet in the length direction, and a liquid inlet port is provided at a position corresponding to each liquid inlet on the length direction side of the inlet manifold, and the liquid inlet port is connected to the liquid inlet at the corresponding position; The outlet manifold is arranged in the opposite direction along the length of the liquid outlet, a main liquid outlet is provided at the middle position of the outlet manifold on the side away from the liquid outlet in the length direction, and a liquid outlet port is provided at the position corresponding to each liquid outlet on the length direction side of the outlet manifold, and the liquid outlet port is connected to the liquid outlet at the corresponding position; The two ends of the heat exchange cavity in the longitudinal direction are respectively separated by end partitions and the tube side inlet part and the tube side outlet part. The end partitions are provided with heat exchange tube through holes. Each heat exchange tube is arranged along the length direction through the corresponding heat exchange tube through holes of the two end partitions. The inlet end of each heat exchange tube is connected to the inner cavity of the tube side inlet part, and the outlet end of each heat exchange tube is connected to the inner cavity of the tube side outlet part. The tube side inlet part is provided with a medium inlet, and the tube side outlet part is provided with a medium outlet.

2. The aftercooler suitable for large flow heat exchange according to claim 1, characterized in that: Each adjacent group of liquid inlets and liquid outlets is arranged in one-to-one correspondence, and the space area corresponding to each group of liquid inlets and liquid outlets is separated by a baffle.

3. The aftercooler suitable for large flow heat exchange according to claim 2, characterized in that: Each baffle is provided with a through avoidance hole at a position corresponding to the heat exchange tube.

4. The aftercooler suitable for large flow heat exchange according to claim 1, characterized in that: The liquid outlet port is tightly connected to the liquid outlet via corresponding flange joints and pipelines; the liquid inlet port is tightly connected to the liquid inlet via corresponding flange joints and pipelines.

5. The aftercooler suitable for large flow heat exchange according to claim 1, characterized in that: A guide plate is arranged directly below the total liquid inlet, and the guide plate evenly guides the inflowing liquid to flow out to the corresponding liquid inlet port.

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