Longitudinal installation assembly of shell-and-tube heat exchanger

Abstract

The utility model discloses a longitudinal installation assembly of a shell-and-tube heat exchanger, and relates to the technical field of shell-and-tube heat exchangers. When the longitudinal installation assembly of the shell-and-tube heat exchanger is used, firstly, an operator needs to assemble the shell-and-tube heat exchanger, and connects a first metal connecting pipe with a second metal connecting pipe; the first metal connecting pipe sealing ring and the second metal connecting pipe sealing ring are installed at the right side attaching position of the first metal connecting pipe and the left side attaching position of the second metal connecting pipe correspondingly, and the first sealing ring installation pin is inserted into the penetrating position of the first metal connecting pipe sealing ring and the second metal connecting pipe sealing ring. The first sealing ring mounting pin limiting piece can limit the movement of the first sealing ring mounting pin, so that the sealing compactness of the first metal connecting pipe sealing ring and the second metal connecting pipe sealing ring is ensured, and then the tube bundle is fixed on the outer surfaces of the first metal connecting pipe sealing ring and the second metal connecting pipe sealing ring; and stable sealing of the first metal connecting pipe sealing ring and the second metal connecting pipe sealing ring during heat exchange is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of shell and tube heat exchangers, in particular to a longitudinal installation component of a shell and tube heat exchanger. Background Art

[0002] Shell and tube heat exchanger, also known as shell and tube heat exchanger, is a wall heat exchanger that uses the wall of the tube bundle enclosed in the shell as the heat transfer surface. This heat exchanger has a simple structure and reliable operation. It can be made of various structural materials (mainly metal materials) and can be used under high temperature and high pressure. However, in the shell and tube heat exchanger, if the sealing element fails, it may cause fluid leakage, causing safety hazards and environmental pollution. Therefore, those skilled in the art provide a longitudinal installation assembly for a shell and tube heat exchanger to solve the problems raised in the above background technology. Utility Model Content

[0003] The purpose of the utility model is to provide a longitudinal installation assembly of a shell and tube heat exchanger to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A longitudinal installation assembly of a shell and tube heat exchanger, comprising a first metal pipe, a second metal pipe, a cold and hot air flow inlet, a first metal pipe sealing ring, a second metal pipe sealing ring, a first sealing ring mounting pin, a first sealing ring mounting pin stopper, a tube bundle, a tube bundle clamp, a block reserved for mounting holes, a tube bundle mounting pin, a tube bundle mounting pin stopper, a carbon steel tube sheet, a carbon steel head, a mounting frame, a mounting frame mounting hole, a mounting frame mounting pin, a mounting frame mounting pin adjusting member, a support frame, a bottom plate, a carbon steel head sealing ring, a carbon steel head sealing ring tube bundle, a cold and hot air flow inlet sealing ring, a second sealing ring A ring mounting pin, a second sealing ring mounting pin adjusting member, a second sealing ring mounting pin limiting member, a second metal pipe is provided at the fitting connection of the right end outer surface of the first metal pipe, a cold and hot air flow inlet is respectively provided at the top left side of the first metal pipe and the top right side of the second metal pipe, a first metal pipe sealing ring is provided at the connection of the right side surface of the first metal pipe, a second metal pipe sealing ring is provided at the fitting connection of the right end of the first metal pipe sealing ring, a plurality of first sealing ring mounting pins are provided on the left side of the first metal pipe sealing ring and the right side of the second metal pipe sealing ring, a first sealing ring mounting pin limiting member is provided on the right end outer surface of the first sealing ring mounting pin, a tube bundle is provided on the outer surface of the first metal pipe sealing ring and the second metal pipe sealing ring, a tube bundle block is respectively provided at the middle connection of the upper and lower ends of the tube bundle, a reserved mounting hole for the block is provided at the middle penetration of the tube bundle block, a tube bundle mounting pin is provided on the inner surface of the reserved mounting hole of the block, a tube bundle mounting pin limiting member is provided on the rear end outer surface of the tube bundle mounting pin, a carbon steel tube sheet is provided at the inner and outer connection of the first metal pipe and the second metal pipe, the outer connection of the first metal pipe and the second metal pipe Each is provided with a carbon steel head, a carbon steel head sealing ring is provided at the outer fitting connection of the first metal pipe and the inner fitting connection of the carbon steel head, a carbon steel head sealing ring tube bundle is provided on the outer surface of the carbon steel head sealing ring, a cold and hot air flow inlet sealing ring is provided at the top fitting connection of the cold and hot air flow inlet, a second sealing ring mounting pin is provided at the top and surrounding penetration points of the cold and hot air flow inlet sealing ring, a second sealing ring mounting pin adjusting part is provided at the top middle connection of the second sealing ring mounting pin, and a second sealing ring mounting pin limiting part is provided on the lower end outer surface of the second sealing ring mounting pin.

[0006] Preferably, a mounting frame is respectively provided at the middle connection of the bottom end of the first metal pipe and the second metal pipe, a plurality of mounting frame mounting holes are respectively penetrated through the upper sides of the front and rear ends of the mounting frame, a mounting frame mounting pin is provided on the inner surface of the mounting frame mounting hole, a mounting frame mounting pin adjusting part is provided at the middle connection of the front end of the mounting frame mounting pin, a supporting frame is provided at the middle connection of the bottom end of the mounting frame, and a bottom plate is provided at the bottom connection of the supporting frame.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. The first metal pipe and the second metal pipe are key components in the longitudinal installation assembly, which are used to introduce and export the cold and hot airflows in the heat exchanger. The first metal pipe sealing ring and the second metal pipe sealing ring are installed at the connection between the inner sides of the first metal pipe and the second metal pipe. The first metal pipe sealing ring and the second metal pipe sealing ring are sealing components in the longitudinal installation assembly, which are used to prevent the cold and hot airflows in the heat exchanger from leaking. The first sealing ring installation pin and the first sealing ring installation pin limiter are used in conjunction with each other. The first sealing ring installation pin is inserted into the penetration of the first metal pipe sealing ring and the second metal pipe sealing ring, and the first sealing ring installation pin limiter can be The movement of the first sealing ring installation pin is restricted to ensure the tightness of the sealing of the first metal pipe sealing ring and the second metal pipe sealing ring. The tube bundle is then fixed on the outer surfaces of the first metal pipe sealing ring and the second metal pipe sealing ring to ensure that the first metal pipe sealing ring and the second metal pipe sealing ring maintain a stable seal during heat exchange. By accurately controlling the flow direction and flow rate of the cold and hot air flows, the longitudinal installation component makes the heat exchange in the heat exchanger more sufficient and efficient. The reliable sealing design reduces the risk of leakage of the cold and hot air flows in the heat exchanger and improves the operating safety of the equipment. The modular longitudinal installation component makes the installation and maintenance of the heat exchanger easier and faster.

[0009] 2. Carbon steel tube sheet is an important component of the longitudinal installation assembly and has more heat transfer area. In the longitudinal installation assembly, carbon steel tube sheet is used on both sides of the first metal tube and the second metal tube to ensure that the carbon steel tube sheet maintains a high heat transfer efficiency inside the heat exchanger. The carbon steel head is a sealing component in the longitudinal installation assembly and is used to prevent leakage of cold and hot air flows in the heat exchanger. In the longitudinal installation assembly, the carbon steel head is installed at both ends of the first metal tube and the second metal tube. The carbon steel head sealing ring is a sealing component in the longitudinal installation assembly and is used to further improve the sealing performance of the carbon steel head. The carbon steel head sealing ring is usually made of elastic materials, such as rubber or polyurethane, and has good sealing performance. The carbon steel head sealing ring tube bundle is the core component of the longitudinal installation assembly and is used to ensure that the carbon steel head maintains a stable seal inside the heat exchanger. By accurately controlling the flow direction and flow rate of the cold and hot air flows, the longitudinal installation assembly makes the heat exchange in the heat exchanger more sufficient and efficient. The reliable sealing design reduces the risk of leakage of cold and hot air flows in the heat exchanger and improves the operating safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The figure is a schematic diagram of the structure of a longitudinal installation assembly of a shell and tube heat exchanger.

[0011] Figure 2 The present invention is a schematic diagram of the structure of a metal pipe in a longitudinal installation assembly of a shell and tube heat exchanger.

[0012] Figure 3The diagram is a structural diagram of a sealing ring and a tube bundle in a longitudinal installation assembly of a shell and tube heat exchanger.

[0013] Figure 4 An exploded schematic diagram of a support frame in a longitudinal installation assembly of a shell and tube heat exchanger.

[0014] Figure 5 The present invention is a schematic diagram of the structure of multiple groups of mounting pins in a longitudinal mounting assembly of a shell and tube heat exchanger.

[0015] Figure 6 The schematic diagram is a structural diagram of the cold and hot air flow inlets in a longitudinal installation assembly of a shell and tube heat exchanger.

[0016] In the figure: 1-first metal pipe, 2-second metal pipe, 3-cold and hot air flow inlet, 4-first metal pipe sealing ring, 5-second metal pipe sealing ring, 6-first sealing ring mounting pin, 7-first sealing ring mounting pin limiter, 8-tube bundle, 9-tube bundle clamp, 10-block reserved mounting hole, 11-tube bundle mounting pin, 12-tube bundle mounting pin limiter, 13-carbon steel tube sheet, 14-carbon steel head, 15-mounting frame, 16-mounting frame mounting hole, 17-mounting frame mounting pin, 18-mounting frame mounting pin adjusting member, 19-support frame, 20-bottom plate, 21-carbon steel head sealing ring, 22-carbon steel head sealing ring tube bundle, 23-cold and hot air flow inlet sealing ring, 24-second sealing ring mounting pin, 25-second sealing ring mounting pin adjusting member, 26-second sealing ring mounting pin limiter. DETAILED DESCRIPTION

[0017] See also Figures 1 to 6In an embodiment of the utility model, a longitudinal installation assembly of a shell and tube heat exchanger includes a first metal pipe 1, a second metal pipe 2, a cold and hot air flow inlet 3, a first metal pipe sealing ring 4, a second metal pipe sealing ring 5, a first sealing ring mounting pin 6, a first sealing ring mounting pin stopper 7, a tube bundle 8, a tube bundle clamp 9, a clamp reserved mounting hole 10, a tube bundle mounting pin 11, a tube bundle mounting pin stopper 12, a carbon steel tube sheet 13, a carbon steel head 14, a mounting frame 15, a mounting frame mounting hole 16, a mounting frame mounting pin 17, a mounting frame mounting pin adjusting member 18, a support frame 19, a bottom plate 20, a carbon steel head sealing ring 21, a carbon steel head sealing ring tube bundle 22, a cold and hot air flow inlet sealing ring 23, a second sealing ring mounting pin 24, a second sealing ring mounting A pin adjusting member 25 and a second sealing ring mounting pin limiting member 26 are provided at the joint joint of the right end outer surface of the first metal pipe 1. A cold and hot air flow inlet 3 is respectively provided at the left side of the top end of the first metal pipe 1 and the right side of the top end of the second metal pipe 2. A first metal pipe sealing ring 4 is provided at the connection of the right side surface of the first metal pipe 1. A second metal pipe sealing ring 5 is provided at the right end joint of the first metal pipe sealing ring 4. A plurality of first sealing ring mounting pins 6 are provided on the left side of the first metal pipe sealing ring 4 and the right side of the second metal pipe sealing ring 5. A first sealing ring mounting pin limiting member 7 is provided on the right end outer surface of the first sealing ring mounting pin 6. The outer surfaces of the first metal pipe sealing ring 4 and the second metal pipe sealing ring 5 are provided with There is a tube bundle 8, and a tube bundle block 9 is respectively provided at the middle connection of the upper and lower ends of the tube bundle 8, and a block reserved mounting hole 10 is provided at the middle penetration of the tube bundle block 9, and a tube bundle mounting pin 11 is provided on the inner side surface of the block reserved mounting hole 10, and a tube bundle mounting pin stopper 12 is provided on the rear end outer side surface of the tube bundle mounting pin 11, and a carbon steel tube sheet 13 is provided at the inner and outer connection of the first metal pipe 1 and the second metal pipe 2, and a carbon steel head 14 is respectively provided at the outer connection of the first metal pipe 1 and the second metal pipe 2, and a mounting frame 15 is respectively provided at the middle connection of the bottom end of the first metal pipe 1 and the second metal pipe 2, and a plurality of mounting frame mounting holes 16 are respectively penetrated at the upper side of the front and rear ends of the mounting frame 15, and the inner side surface of the mounting frame mounting hole 16 is provided with a mounting frame A mounting pin 17 is provided, and a mounting pin adjusting member 18 is provided at the front middle connection of the mounting pin 17 of the mounting frame. A support frame 19 is provided at the bottom middle connection of the mounting frame 15. A bottom plate 20 is provided at the bottom connection of the support frame 19. A carbon steel head sealing ring 21 is provided at the outer fitting connection of the first metal pipe 1 and the inner fitting connection of the carbon steel head 14. A carbon steel head sealing ring bundle 22 is provided on the outer surface of the carbon steel head sealing ring 21. A cold and hot air flow inlet sealing ring 23 is provided at the top fitting connection of the cold and hot air flow inlet 3. A second sealing ring mounting pin 24 is provided at each of the top and surrounding penetrations of the cold and hot air flow inlet sealing ring 23. A second sealing ring mounting pin adjusting member 25 is provided at the top middle connection of the second sealing ring mounting pin 24.A second sealing ring installation pin stopper 26 is provided on the outer side surface of the lower end of the second sealing ring installation pin 24.

[0018] The working principle of the utility model is as follows: when the utility model is used, first, the operator needs to assemble the shell and tube heat exchanger, connect the first metal pipe 1 and the second metal pipe 2, install the first metal pipe sealing ring 4 and the second metal pipe sealing ring 5 at the right side of the first metal pipe 1 and the left side of the second metal pipe 2 respectively, and insert the first sealing ring installation pin 6 into the penetration point of the first metal pipe sealing ring 4 and the second metal pipe sealing ring 5, and the first sealing ring installation pin limiter 7 can limit the movement of the first sealing ring installation pin 6, ensuring the first The sealing tightness of the first metal pipe sealing ring 4 and the second metal pipe sealing ring 5 is checked, and the tube bundle 8 is fixed on the outer surface of the first metal pipe sealing ring 4 and the second metal pipe sealing ring 5 to ensure that the first metal pipe sealing ring 4 and the second metal pipe sealing ring 5 maintain a stable seal during heat exchange; then, the operator installs the mounting frame 15 at the middle connection of the bottom end of the first metal pipe 1 and the second metal pipe 2 respectively, and at the same time, fits with the mounting frame mounting holes 16 respectively opened at the front ends of the first metal pipe 1 and the second metal pipe 2, and inserts the mounting frame mounting pin 17 into the mounting frame mounting hole 1 6, so that the mounting frame 15 remains stable when supporting, the mounting frame mounting pin adjustment member 18 is an adjustment component in the longitudinal mounting assembly, which is used to adjust the length of the mounting frame mounting pin 17, so as to achieve fine component positioning, and by adjusting the length of the mounting frame mounting pin 17, the disassembly is made simpler and faster; then, the operator installs the carbon steel head 14 at the outer connection between the first metal pipe 1 and the second metal pipe 2. The carbon steel head 14 is a sealing component in the longitudinal mounting assembly, which is used to prevent the leakage of the cold and hot air flows in the heat exchanger. At the connection between the metal pipe and the carbon steel head 14, Install the carbon steel head sealing ring 21 and the carbon steel head sealing ring tube bundle 22, and use them together to ensure that the carbon steel head 14 maintains a stable seal inside the heat exchanger; after the assembly is completed, the cold and hot air pipes can be connected to the cold and hot air flow inlets 3, and the cold and hot air flow inlet sealing ring 23, the second sealing ring installation pin 24, the second sealing ring installation pin adjustment member 25 and the second sealing ring installation pin limit member 26 can be used together to ensure that the cold and hot air pipes maintain a tight seal when connected to the cold and hot air flow inlets 3, which can effectively prevent the leakage of cold and hot air.

[0019] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description 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 may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A longitudinal installation assembly for a shell and tube heat exchanger, comprising a first metal pipe (1) and a second metal pipe (2), characterized in that: A second metal pipe (2) is provided at the joint connection of the right end outer surface of the first metal pipe (1); a cold and hot air flow inlet (3) is provided at the left side of the top end of the first metal pipe (1) and the right side of the top end of the second metal pipe (2); a first metal pipe sealing ring (4) is provided at the connection of the right side surface of the first metal pipe (1); a second metal pipe sealing ring (5) is provided at the joint connection of the right end of the first metal pipe sealing ring (4); a plurality of first sealing ring mounting pins are provided at the left side of the first metal pipe sealing ring (4) and the right side of the second metal pipe sealing ring (5) (6), a first sealing ring mounting pin stopper (7) is provided on the outer surface of the right end of the first sealing ring mounting pin (6), a tube bundle (8) is provided on the outer surfaces of the first metal pipe sealing ring (4) and the second metal pipe sealing ring (5), a tube bundle clamp (9) is provided at the middle connection of the upper and lower ends of the tube bundle (8), a clamp reserved mounting hole (10) is provided at the middle penetration of the tube bundle clamp (9), a tube bundle mounting pin (11) is provided on the inner surface of the clamp reserved mounting hole (10), and a tube bundle mounting pin stopper (12) is provided on the outer surface of the rear end of the tube bundle mounting pin (11).

2. A longitudinal installation assembly for a shell and tube heat exchanger according to claim 1, characterized in that: A carbon steel tube sheet (13) is provided at the inner and outer connecting portions of the first metal connecting pipe (1) and the second metal connecting pipe (2), and a carbon steel end cap (14) is provided at the outer connecting portions of the first metal connecting pipe (1) and the second metal connecting pipe (2).

3. The longitudinal installation assembly of a shell and tube heat exchanger according to claim 1, characterized in that: A mounting frame (15) is provided at the middle connection of the bottom ends of the first metal pipe (1) and the second metal pipe (2), and a plurality of mounting frame mounting holes (16) are respectively provided through the upper sides of the front and rear ends of the mounting frame (15).

4. A longitudinal installation assembly for a shell and tube heat exchanger according to claim 3, characterized in that: The inner surface of the mounting frame mounting hole (16) is provided with a mounting frame mounting pin (17), and the middle connection of the front end of the mounting frame mounting pin (17) is provided with a mounting frame mounting pin adjusting member (18).

5. The longitudinal installation assembly of a shell and tube heat exchanger according to claim 3, characterized in that: A support frame (19) is provided at the middle connection of the bottom end of the mounting frame (15), and a bottom plate (20) is provided at the bottom connection of the support frame (19).

6. The longitudinal installation assembly of a shell and tube heat exchanger according to claim 1, characterized in that: A carbon steel head sealing ring (21) is provided at the outer fitting connection of the first metal pipe (1) and the inner fitting connection of the carbon steel head (14), and a carbon steel head sealing ring tube bundle (22) is provided on the outer surface of the carbon steel head sealing ring (21).

7. The longitudinal installation assembly of a shell and tube heat exchanger according to claim 1, characterized in that: A hot and cold air flow inlet sealing ring (23) is provided at the top fitting connection of the hot and cold air flow inlet (3), and second sealing ring mounting pins (24) are provided at the top and surrounding penetration points of the hot and cold air flow inlet sealing ring (23).

8. A longitudinal installation assembly for a shell and tube heat exchanger according to claim 7, characterized in that: A second sealing ring installation pin adjusting member (25) is provided at the middle connection of the top end of the second sealing ring installation pin (24), and a second sealing ring installation pin limiting member (26) is provided on the outer surface of the lower end of the second sealing ring installation pin (24).

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