Efficient detachable plate heat exchanger for ship

Abstract

The efficient detachable plate heat exchanger comprises fixed vertical plates, through holes are formed in the outer surfaces of the fixed vertical plates, connecting flanges and the through holes of the fixed vertical plates are concentrically designed, a side baffle is arranged between the fixed vertical plates, a liquid inlet is formed in the end, away from a liquid outlet, of the side baffle in a penetrating mode, and a liquid outlet is formed in the end, away from the liquid outlet, of the side baffle. And the liquid inlet and the liquid outlet are concentric with the through holes of the fixed vertical plates, mounting ground feet are fixedly mounted on the outer surfaces of the ends, close to the liquid inlet, of the fixed vertical plates, and the mounting ground feet are arranged between the fixed vertical plates. According to the efficient detachable plate heat exchanger for the ship, the fixing vertical plates can be fixed and connected through the connecting bolt rods and the fixing nuts, the connecting bolt rods cannot fall out of the positions between the fixing vertical plates after being fixedly connected through the positioning backing rings, and parts in the heat exchanger can be clamped and fixed through the fixing vertical plates; and the heat exchanger can be conveniently disassembled, assembled and cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of plate heat exchangers, in particular to a highly efficient and detachable plate heat exchanger for ships. Background Art

[0002] Heat exchanger is one of the important and indispensable equipment in ships. It is needed in equipment such as main and auxiliary engine lubricating oil coolers, cylinder liner fresh water coolers, steam condensers, feed water heaters, fuel heaters, etc. However, in the special working environment of ships, the requirements for heat exchangers are very harsh. The cooling medium of the heat exchanger is generally seawater, which has a high salt concentration and a very high humidity in the working environment. It will be highly corrosive to the inside of the heat exchanger, and there will be residues attached to the inside of the heat exchanger. It is difficult to disassemble, maintain and clean the heat exchanger. Often, it can only be replaced as a whole after damage. Utility Model Content

[0003] The utility model aims to provide a highly efficient and detachable plate heat exchanger for ships, so as to solve the problem in the above background technology that the heat exchanger is inconvenient to be disassembled, maintained and cleaned.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an efficient and detachable plate heat exchanger for ships, comprising a fixed vertical plate, a through hole is opened on the outer surface of the fixed vertical plate, and a connecting flange is fitted on the outer surface of the fixed vertical plate, the connecting flange and the through hole of the fixed vertical plate are concentrically designed, and a fixing screw is threadedly installed on the outer surface of the fixed vertical plate, and the fixing screw passes through the outer surface of the connecting flange, a side baffle is arranged between the fixed vertical plates, and a liquid outlet is penetrated and installed on the outer surface of the side baffle, an end of the side baffle away from the liquid outlet is penetrated and installed with a liquid inlet, and the liquid inlet and the liquid outlet are concentrically designed with the through hole of the fixed vertical plate, and the outer surface of the fixed vertical plate fits with the outer surfaces of the liquid inlet and the liquid outlet, an outer surface of the fixed vertical plate close to the liquid inlet is fixedly installed with a mounting foot, a threaded connection mechanism is arranged between the fixed vertical plates, and the plate heat exchanger can be disassembled and fixed through the threaded connection mechanism for easy assembly.

[0005] Preferably, the threaded connection mechanism includes: a connecting bolt rod, the outer surface of the connecting bolt rod passes through the outer surface of the fixed vertical plate, and the outer surface of the connecting bolt rod is fitted with the outer surface of the fixed vertical plate, fixing nuts are threadedly installed on both sides of the connecting bolt rod, and the side surfaces of the fixing nuts are fitted with the outer surface of the fixed vertical plate, grooves are opened on both sides of the fixed vertical plate, and the connecting bolt rod is clamped and installed in the groove of the fixed vertical plate, and a positioning gasket is slidably installed on the outer surface of the connecting bolt rod, and the positioning gasket is clamped with the fixed vertical plate.

[0006] By adopting the above technical solution, the positioning washer on the outer surface of the connecting bolt rod can be used to make the fixing nut engage on both sides of the fixed vertical plate after tightening, so that the connecting bolt rod cannot fall out, the fixed vertical plates can be fixed, and the connecting bolt rod can be removed to separate the fixed vertical plates, which is convenient for disassembly for maintenance and cleaning.

[0007] Preferably, a protective net is provided on the inner side of the fixed vertical plate, and two sides of the protective net are in contact with the outer surface of the fixed vertical plate, and the outer surface of the protective net is in contact with the outer surface of the connecting bolt rod.

[0008] By adopting the above technical solution, the protective net is limited by connecting the bolt rods, so that the protective net can be fixed and the internal components can be protected.

[0009] Preferably, an insertion mechanism is provided between the side baffles, and the insertion mechanism is used to facilitate separation of the heat exchanger and cleaning of the heat exchanger.

[0010] By adopting the above technical solution, the heat exchanger can be easily disassembled, and the cold medium shell, hot medium shell, middle heat exchanger and side heat exchanger can be easily disassembled and cleaned, which facilitates modular replacement without replacing the entire heat exchanger, greatly saving costs.

[0011] Preferably, the plug-in mechanism includes: a cold medium shell, a connecting bolt rod is installed through the outer surface of the cold medium shell, and the outer surface of the connecting bolt rod is in contact with the outer surface of the cold medium shell, a sealing gasket is arranged between the cold medium shell and the side baffle, an intermediate heat exchange fin is in contact with the outer surface of one end of the cold medium shell, and a sealing gasket is arranged between the intermediate heat exchange fin and the cold medium shell, a hot medium shell is in contact with the end of the intermediate heat exchange fin away from the cold medium shell, and a sealing gasket is arranged between the hot medium shell and the intermediate heat exchange fin, and a sealing gasket is arranged between the hot medium shell and the side baffle.

[0012] By adopting the above technical solution, the side baffles, the cold medium shell, the hot medium shell, the middle heat exchanger fins and the side heat exchanger fins can be sealed by the sealing gasket, so that the cooling medium will not leak out of the plate heat exchanger.

[0013] Preferably, a bonding mechanism is provided between the side baffle and the middle heat exchange plate, and the plate heat exchanger is enabled to perform heat exchange through the bonding mechanism.

[0014] By adopting the above technical solution, the passage time of the heat exchange liquid can be extended through the side heat exchange fins and the middle heat exchange fins, so that the liquid can perform heat exchange better.

[0015] Preferably, the fitting mechanism includes: a side heat exchanger fin, the side heat exchanger fin is fixedly mounted on an outer surface of one side of a side baffle plate close to the middle heat exchanger fin, and the middle heat exchanger fin is located between the side heat exchanger fins, a liquid inlet and a liquid outlet are provided on both sides of the side baffle plate, and the liquid inlet and the liquid outlet are located on both sides of the side heat exchanger fin, the side heat exchanger fin is not in contact with the middle heat exchanger fin, and the side surface of the middle heat exchanger fin is not in contact with the side baffle plate, and the side surfaces of the side heat exchanger fin and the middle heat exchanger fin are respectively fitted with the outer surfaces of the cold medium shell and the hot medium shell.

[0016] By adopting the above technical solution, the liquid will enter the cold medium shell and the hot medium shell through the liquid inlet, so that the intermediate heat exchange plate absorbs the heat of the liquid in the hot medium shell, and the heat of the intermediate heat exchange plate is absorbed by the cooling water in the cold medium shell.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the high-efficiency detachable plate heat exchanger for ships:

[0018] 1. The fixed vertical plate can be fixed and connected by connecting the bolt rod and the fixing nut. The positioning washer can prevent the connecting bolt rod from falling out from between the fixed vertical plates after the fixed connection, so that the fixed vertical plate can clamp and fix the parts inside the heat exchanger, making it convenient to disassemble, install and clean the heat exchanger;

[0019] 2. After long-term use, the internal parts of the heat exchanger may be corroded. In this case, the connecting bolt rod and the fixing nut can be removed, and the fixed vertical plate can be removed separately, so that the cold medium shell, the hot medium shell, the middle heat exchanger and the side baffle can be separated and disassembled, which is convenient for cleaning and replacement of parts, so that the heat exchanger body does not need to be scrapped as a whole, reducing the cost of replacement and maintenance;

[0020] 3. When the heat medium enters the heat medium shell through the liquid inlet, the heat medium will flow through the gap between the middle heat exchange plate and the side heat exchange plate, and be discharged to the outside through the liquid outlet, so that the middle heat exchange plate absorbs the heat of the heat medium, and the coolant will enter the cold medium shell through the liquid inlet and absorb the heat of the middle heat exchange plate, and be discharged to the outside from the liquid outlet, extending the time for the coolant and heat medium to pass through the cold medium shell and the hot medium shell, so as to improve the heat exchange efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front view structural diagram of the fixed vertical plate and the connecting flange of the utility model;

[0022] Figure 2 This is a side view structural diagram of the connecting bolt rod and the fixing nut of the utility model;

[0023] Figure 3 This is a side view structural diagram of the fixed vertical plate and the protective net of the utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the fixed vertical plate and the positioning pad ring of the utility model;

[0025] Figure 5 It is a schematic diagram of the exploded three-dimensional structure of the side baffle and the side heat exchange plate of the utility model;

[0026] Figure 6 It is a schematic diagram of the cross-sectional three-dimensional structure of the cold medium shell and the side heat exchanger fins of the utility model.

[0027] In the figure: 1. Fixed vertical plate; 2. Connecting bolt rod; 3. Fixed nut; 4. Liquid inlet; 5. Liquid outlet; 6. Connecting flange; 7. Fixed screw; 8. Positioning gasket; 9. Protective net; 10. Cold medium shell; 11. Hot medium shell; 12. Middle heat exchanger; 13. Sealing gasket; 14. Side baffle; 15. Side heat exchanger. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-6 The utility model provides a technical solution: an efficient and detachable plate heat exchanger for ships, comprising a fixed vertical plate 1, a through hole is opened on the outer surface of the fixed vertical plate 1, and a connecting flange 6 is fitted on the outer surface of the fixed vertical plate 1, the connecting flange 6 and the through hole of the fixed vertical plate 1 are concentrically designed, and a fixing screw 7 is threadedly installed on the outer surface of the fixed vertical plate 1, and the fixing screw 7 passes through the outer surface of the connecting flange 6, a side baffle 14 is arranged between the fixed vertical plates 1, and a liquid outlet 5 is penetrated and installed on the outer surface of the side baffle 14, and a liquid inlet 4 is penetrated and installed on the end of the side baffle 14 away from the liquid outlet 5, and the liquid inlet 4 and the liquid outlet 5 are concentrically designed with the through hole of the fixed vertical plate 1, and the outer surface of the fixed vertical plate 1 fits with the outer surfaces of the liquid inlet 4 and the liquid outlet 5, and a mounting foot is fixedly installed on the outer surface of the fixed vertical plate 1 at one end close to the liquid inlet 4, and a threaded connection mechanism is arranged between the fixed vertical plates 1, and the plate heat exchanger can be disassembled and fixed through the threaded connection mechanism for easy assembly.

[0030] The connection flange 6 is sealed by fitting with the liquid inlet 4 and the liquid outlet 5 , and the connection is made by passing the fixing screw 7 through the connection flange 6 , so that the connection flange 6 can press the liquid inlet 4 and the liquid outlet 5 together.

[0031] The threaded connection mechanism includes: a connecting bolt rod 2, the outer surface of the connecting bolt rod 2 passes through the outer surface of the fixed vertical plate 1, and the outer surface of the connecting bolt rod 2 is in contact with the outer surface of the fixed vertical plate 1, fixing nuts 3 are threadedly installed on both sides of the connecting bolt rod 2, and the side surfaces of the fixing nuts 3 are in contact with the outer surface of the fixed vertical plate 1, grooves are provided on both sides of the fixed vertical plate 1, and the connecting bolt rod 2 is clamped and installed in the groove of the fixed vertical plate 1, and a positioning gasket 8 is slidably installed on the outer surface of the connecting bolt rod 2, and the positioning gasket 8 is clamped with the fixed vertical plate 1.

[0032] The side baffle 14, the cold medium shell 10 and the hot medium shell 11 can be positioned by connecting the bolt rod 2, so that the side baffle 14, the cold medium shell 10 and the hot medium shell 11 can be accurately installed between the fixed vertical plate 1, and the fixed vertical plate 1 can be fixed by connecting the bolt rod 2 and the fixing nut 3, and the connecting bolt rod 2 can be installed on both sides of the fixed vertical plate 1 through the positioning washer 8. It can prevent slipping, so that the fixed vertical plate 1 can be conveniently fixed and disassembled, and it is convenient to disassemble and clean the heat exchanger.

[0033] A protective net 9 is provided on the inner side of the fixed vertical plate 1 , and both sides of the protective net 9 are in contact with the outer surface of the fixed vertical plate 1 , and the outer surface of the protective net 9 is in contact with the outer surface of the connecting bolt rod 2 .

[0034] The protective net 9 can protect the components between the fixed upright plates 1 and reduce damage to the components between the fixed upright plates 1 .

[0035] An insertion mechanism is provided between the side baffles 14, and the heat exchanger can be separated and cleaned conveniently through the insertion mechanism.

[0036] The heat exchanger can be disassembled, and the cold medium shell 10, the hot medium shell 11, the middle heat exchanger fins 12 and the side heat exchanger fins 15 can be disassembled and cleaned, making the heat exchanger modular and convenient for replacement without replacing the entire heat exchanger. Damaged parts can be easily replaced, greatly saving costs.

[0037] The plug-in mechanism includes: a cold medium shell 10, a connecting bolt rod 2 is installed through the outer surface of the cold medium shell 10, and the outer surface of the connecting bolt rod 2 is in contact with the outer surface of the cold medium shell 10, a sealing gasket 13 is arranged between the cold medium shell 10 and the side baffle 14, an intermediate heat exchange fin 12 is in contact with the outer surface of one end of the cold medium shell 10, and a sealing gasket 13 is arranged between the intermediate heat exchange fin 12 and the cold medium shell 10, a hot medium shell 11 is in contact with the end of the intermediate heat exchange fin 12 away from the cold medium shell 10, and a sealing gasket 13 is arranged between the hot medium shell 11 and the intermediate heat exchange fin 12, and a sealing gasket 13 is arranged between the hot medium shell 11 and the side baffle 14.

[0038] The sealing gasket 13 can be used to seal the side baffle 14 and the hot medium shell 11, to seal the side baffle 14 and the cold medium shell 10, and to seal the gaps between the cold medium shell 10, the hot medium shell 11 and the intermediate heat exchange fins 12, so as to prevent leakage of medium between the cold medium shell 10, the hot medium shell 11, the intermediate heat exchange fins 12 and the side baffle 14.

[0039] A fitting mechanism is provided between the side baffle 14 and the intermediate heat exchanger fin 12, and the plate heat exchanger is made to exchange heat through the fitting mechanism. The fitting mechanism includes: a side heat exchanger fin 15, which is fixedly mounted on the outer surface of one side of the side baffle 14 close to the intermediate heat exchanger fin 12, and the intermediate heat exchanger fin 12 is located between the side heat exchanger fins 15, and a liquid inlet 4 and a liquid outlet 5 are provided on both sides of the side baffle 14, and the liquid inlet 4 and the liquid outlet 5 are located on both sides of the side heat exchanger fin 15, the side heat exchanger fin 15 is not in contact with the intermediate heat exchanger fin 12, and the side surface of the intermediate heat exchanger fin 12 is not in contact with the side baffle 14, and the side surfaces of the side heat exchanger fin 15 and the intermediate heat exchanger fin 12 are fitted with the outer surfaces of the cold medium shell 10 and the hot medium shell 11 respectively.

[0040] Liquid is injected into the cold medium shell 10 and the hot medium shell 11 through the liquid inlet 4, so that the liquid passes through the intermediate heat exchange fins 12 and the side heat exchange fins 15 to extend the liquid passing time, so that the intermediate heat exchange fins 12 absorb the heat in the hot medium shell 11, and the heat of the intermediate heat exchange fins 12 can be absorbed by the cold medium shell 10, and the heat of the medium in the hot medium shell 11 can be absorbed and the temperature can be reduced, thereby improving the heat dissipation efficiency of the heat medium.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly efficient detachable plate heat exchanger for a ship, comprising a fixed vertical plate (1), wherein the outer surface of the fixed vertical plate (1) is provided with a through hole, and a connecting flange (6) is fitted and installed on the outer surface of the fixed vertical plate (1), wherein the connecting flange (6) and the through hole of the fixed vertical plate (1) are concentrically designed, and a fixing screw (7) is threadedly installed on the outer surface of the fixed vertical plate (1), and the fixing screw (7) passes through the outer surface of the connecting flange (6), and a side baffle (7) is arranged between the fixed vertical plates (1). 14), and a liquid outlet (5) is installed through the outer surface of the side baffle (14), and a liquid inlet (4) is installed through the end of the side baffle (14) away from the liquid outlet (5), and the liquid inlet (4) and the liquid outlet (5) are designed to be concentric with the through hole of the fixed vertical plate (1), and the outer surface of the fixed vertical plate (1) is in contact with the outer surfaces of the liquid inlet (4) and the liquid outlet (5), and a mounting foot is fixedly installed on the outer surface of one end of the fixed vertical plate (1) close to the liquid inlet (4), characterized in that: A threaded connection mechanism is provided between the fixed vertical plates (1), and the plate heat exchanger can be disassembled and fixed via the threaded connection mechanism, thereby facilitating assembly.

2. The high-efficiency detachable plate heat exchanger for ships according to claim 1, characterized in that: The threaded connection mechanism comprises: a connecting bolt rod (2), the outer surface of the connecting bolt rod (2) passes through the outer surface of the fixed vertical plate (1), and the outer surface of the connecting bolt rod (2) is in contact with the outer surface of the fixed vertical plate (1), the two sides of the connecting bolt rod (2) are threadedly mounted with fixing nuts (3), and the side surfaces of the fixing nuts (3) are in contact with the outer surface of the fixed vertical plate (1), the two sides of the fixed vertical plate (1) are provided with grooves, and the connecting bolt rod (2) is clamped and installed in the groove of the fixed vertical plate (1), and a positioning gasket (8) is slidably mounted on the outer surface of the connecting bolt rod (2), and the positioning gasket (8) is clamped with the fixed vertical plate (1).

3. The high-efficiency detachable plate heat exchanger for ships according to claim 1, characterized in that: A protective net (9) is provided on the inner side of the fixed vertical plate (1), and two sides of the protective net (9) are in contact with the outer surface of the fixed vertical plate (1), and the outer surface of the protective net (9) is in contact with the outer surface of the connecting bolt rod (2).

4. The high-efficiency detachable plate heat exchanger for ships according to claim 1, characterized in that: An insertion mechanism is provided between the side baffles (14), and the heat exchanger can be separated and cleaned conveniently through the insertion mechanism.

5. The high-efficiency detachable plate heat exchanger for ships according to claim 4, characterized in that: The plug-in mechanism comprises: a cold medium shell (10), a connecting bolt rod (2) is installed through the outer surface of the cold medium shell (10), and the outer surface of the connecting bolt rod (2) is in contact with the outer surface of the cold medium shell (10), a sealing gasket (13) is provided between the cold medium shell (10) and the side baffle (14), an intermediate heat exchange plate (12) is in contact with the outer surface of one end of the cold medium shell (10), and a sealing gasket (13) is provided between the intermediate heat exchange plate (12) and the cold medium shell (10), a hot medium shell (11) is in contact with the end of the intermediate heat exchange plate (12) away from the cold medium shell (10), and a sealing gasket (13) is provided between the hot medium shell (11) and the intermediate heat exchange plate (12), and a sealing gasket (13) is provided between the hot medium shell (11) and the side baffle (14).

6. The high-efficiency detachable plate heat exchanger for ships according to claim 5, characterized in that: A bonding mechanism is provided between the side baffle (14) and the middle heat exchange plate (12), and the plate heat exchanger is enabled to perform heat exchange via the bonding mechanism.

7. The high-efficiency detachable plate heat exchanger for ships according to claim 6, characterized in that: The bonding mechanism comprises: a side heat exchange fin (15), the side heat exchange fin (15) being fixedly mounted on an outer surface of one side of a side baffle (14) close to the middle heat exchange fin (12), and the middle heat exchange fin (12) being located between the side heat exchange fins (15), a liquid inlet (4) and a liquid outlet (5) being provided on both sides of the side baffle (14), and the liquid inlet (4) and the liquid outlet (5) being located on both sides of the side heat exchange fin (15), the side heat exchange fin (15) and the middle heat exchange fin (12) not being in contact with each other, and the side surface of the middle heat exchange fin (12) not being in contact with the side baffle (14), and the side surfaces of the side heat exchange fin (15) and the middle heat exchange fin (12) being bonded to the outer surfaces of the cold medium shell (10) and the hot medium shell (11) respectively.

Images