Marine main engine waste heat utilization heat exchanger

Abstract

The utility model discloses a heat exchanger for waste heat utilization of a marine main engine, which relates to the technical field of waste heat utilization and comprises a fixing frame, a fixing plate is detachably arranged in the fixing frame, a heat exchanger body is fixedly arranged on the top surface of the fixing plate, threaded blocks are arranged in the fixing frame in an opposite sliding manner, and the threaded blocks are fixedly arranged on the top surface of the fixing plate. First guide rods are rotationally hinged to one sides of the threaded blocks, movable plates are movably arranged on the two sides of the fixed frame, the ends, away from the threaded blocks, of the first guide rods are rotationally hinged to one sides of the movable plates, inserting blocks are fixedly arranged on one sides of the movable plates, and the inserting blocks are slidably inserted into the fixed plates. And meanwhile, one end of a first guide rod is hinged to one side of a threaded block in a rotating mode, the other end of the first guide rod is hinged to one side of a movable plate in a rotating mode, an inserting block is separated from an inserting groove, then the fixing plate and the heat exchanger body are conveniently mounted and dismounted, mounting and dismounting are convenient and fast, and the maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat utilization, in particular to a heat exchanger for utilizing waste heat from a ship's main engine. Background Art

[0002] The waste heat utilization system of the ship's main engine heat exchanger can make full use of the waste heat generated during the operation of the ship's main engine, greatly improving the main engine's energy utilization efficiency and reducing emissions. It is an advanced ship energy-saving measure. In today's increasingly scarce energy resources and gradually increasing shipping costs, comprehensive utilization of various types of energy on board and improving the ship's energy utilization efficiency can not only save shipping costs, but also reduce main engine pollutant emissions.

[0003] However, the existing heat exchangers for waste heat from ship main engines need to be disassembled and repaired regularly during use. They are generally fixed to the ship by bolts, which makes disassembly very cumbersome and reduces maintenance efficiency. In response to the above problems, the inventors proposed a heat exchanger for waste heat from ship main engines to solve the above problems. Utility Model Content

[0004] In order to solve the problem that a heat exchanger for waste heat of a ship's main engine needs to be regularly disassembled and repaired during use, and is generally fixed to the ship by bolts, which makes disassembly very cumbersome; the purpose of the utility model is to provide a heat exchanger for utilizing waste heat of a ship's main engine.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a heat exchanger for utilizing waste heat of a ship main engine, comprising a fixed frame, a detachable fixed plate in the fixed frame, a heat exchanger body fixed on the top surface of the fixed plate, a threaded block sliding towards each other in the fixed frame, a first guide rod hingedly rotated on one side of the threaded block, a movable plate movably provided on both sides of the fixed frame, an end of the first guide rod away from the threaded block hingedly rotated on one side of the movable plate, an insert block fixed on one side of the movable plate, the insert block slidably inserted in the fixed plate, a first motor is installed on one side of the fixed frame, a bidirectional screw rod is fixed on the output end of the first motor, the threaded block is threadedly sleeved on the outer surface of the bidirectional screw rod, the insert block is slidably arranged in the fixed frame, a slot is provided in the fixed plate, and the insert block is slidably inserted In the slot, first turn on the second motor to rotate the threaded rod, and then make the movable block slide in the limit frame, so that the second guide rod can be adjusted, and by pulling the pull rod, the limit ring slides in the shell and squeezes the spring, so that the positioning block can be inserted into the groove, and then release the pull rod, the spring can be reset, so that the pull rod is inserted in the positioning groove, and the positioning block can be fixed, so that the heat exchanger body can be supported and the stability of the heat exchanger body is improved. By turning on the first motor, the bidirectional screw rod is rotated and drives the two threaded blocks to move relative to each other, and at the same time, one end of the first guide rod is hinged and rotated on one side of the threaded block, and the other end is hinged and rotated on one side of the movable plate, and the insert block is disengaged from the slot, thereby facilitating the installation and disassembly of the fixed plate and the heat exchanger body, and the installation and disassembly are convenient, which improves the maintenance efficiency.

[0006] Preferably, a limit frame is fixedly provided on both sides of the fixed frame, a movable block is slidably provided in the limit frame, the top surface of the movable block is hingedly rotated with a second guide rod, a second motor is installed on one side of the limit frame, a threaded rod is fixedly provided at the output end of the second motor, the movable block is threadedly sleeved on the outer surface of the threaded rod, a shell is welded on both sides of the heat exchanger body, a positioning block is movably inserted in the shell, and the end of the second guide rod away from the movable block is hingedly rotated on one side of the positioning block.

[0007] Preferably, a pull rod is slidably inserted in the shell, and the pull rod is slidably inserted in the positioning block. A limiting ring is fixedly sleeved on the outer surface of the pull rod, and the limiting ring is slidably arranged in the shell. A spring is fixedly connected between the inner wall of the shell and the limiting ring. A groove is provided in the shell, and the positioning block is movably inserted in the groove. A positioning groove is provided in the positioning block, and the pull rod is movably inserted in the positioning groove.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] 1. In the present invention, the two threaded blocks move relative to each other, and at the same time, one end of the first guide rod is hinged and rotated on one side of the threaded block, and the other end is hinged and rotated on one side of the movable plate, so that the insert block is disengaged from the slot, thereby facilitating the installation and disassembly of the fixed plate and the heat exchanger body, making installation and disassembly convenient and improving maintenance efficiency;

[0010] 2. In the present invention, by turning on the second motor, the threaded rod rotates, and the movable block slides in the limit frame, and then the second guide rod can be adjusted to insert the positioning block into the shell, thereby supporting the heat exchanger body and improving the stability of the heat exchanger body. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of a partial cross-sectional structure of the fixing frame of the utility model;

[0014] Figure 3 This is a schematic diagram of the heat exchanger structure of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the limit frame of the utility model;

[0016] Figure 5 This is a schematic diagram of a partial cross-sectional structure of the shell of the utility model.

[0017] In the figure: 1. Fixed frame; 11. First motor; 12. Bidirectional screw rod; 13. Threaded block; 14. First guide rod; 15. Movable plate; 16. Insert block; 2. Heat exchanger body; 21. Fixed plate; 22. Slot; 3. Limiting frame; 31. Second motor; 32. Threaded rod; 33. Movable block; 34. Second guide rod; 35. Positioning block; 351. Positioning slot; 4. Housing; 401. Groove; 41. Pull rod; 42. Spring; 43. Limiting ring. DETAILED DESCRIPTION

[0018] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Example: Figure 1-5 As shown, the utility model provides a heat exchanger for utilizing waste heat from a main engine of a ship, comprising a fixed frame 1, a detachable fixed plate 21 being provided in the fixed frame 1, a heat exchanger body 2 being fixed on the top surface of the fixed plate 21, threaded blocks 13 being provided in the fixed frame 1 for sliding toward each other, a first guide rod 14 being hingedly rotated on one side of the threaded block 13, movable plates 15 being movably provided on both sides of the fixed frame 1, an end of the first guide rod 14 being away from the threaded block 13 being hingedly rotated on one side of the movable plate 15, an insert block 16 being fixedly provided on one side of the movable plate 15, the insert block 16 being slidably inserted in the fixed plate 21, a first motor 11 being installed on one side of the fixed frame 1, and a bidirectional screw being fixed on the output end of the first motor 11 12, the threaded block 13 is threadedly sleeved on the outer surface of the bidirectional screw 12, the insert block 16 is slidably arranged in the fixed frame 1, and a slot 22 is provided in the fixed plate 21. The insert block 16 is slidably inserted in the slot 22. By turning on the first motor 11, the bidirectional screw 12 is rotated, and the two threaded blocks 13 are driven to move relative to each other. At the same time, one end of the first guide rod 14 is hinged and rotated on one side of the threaded block 13, and the other end is hinged and rotated on one side of the movable plate 15, and the insert block 16 is disengaged from the slot 22, thereby facilitating the installation and disassembly of the fixed plate 21 and the heat exchanger body 2, and the installation and disassembly are convenient, which improves the maintenance efficiency (the heat exchanger body 2 and the fixed plate 21 are connected by bolts).

[0020] A limit frame 3 is fixed on both sides of the fixed frame 1, and a movable block 33 is slidably provided in the limit frame 3. The top surface of the movable block 33 is hingedly rotated with a second guide rod 34. A second motor 31 is installed on one side of the limit frame 3, and a threaded rod 32 is fixedly provided at the output end of the second motor 31. The movable block 33 is threadedly sleeved on the outer surface of the threaded rod 32. A shell 4 is welded on both sides of the heat exchanger body 2, and a positioning block 35 is movably inserted in the shell 4. The end of the second guide rod 34 away from the movable block 33 is hingedly rotated on one side of the positioning block 35.

[0021] By adopting the above technical solution, by turning on the second motor 31, the threaded rod 32 rotates, and then the movable block 33 slides in the limit frame 3, and then the second guide rod 34 can be adjusted to insert the positioning block 35 into the shell 4, so that the heat exchanger body 2 can be supported and the stability of the heat exchanger body 2 can be improved (the fixed frame 1 is fixed to the ship by bolts).

[0022] A pull rod 41 is slidably inserted in the shell 4, and the pull rod 41 is slidably inserted in the positioning block 35. A limiting ring 43 is fixedly sleeved on the outer surface of the pull rod 41, and the limiting ring 43 is slidably set in the shell 4. A spring 42 is fixedly connected between the inner wall of the shell 4 and the limiting ring 43. A groove 401 is opened in the shell 4, and the positioning block 35 is movably inserted in the groove 401. A positioning groove 351 is opened in the positioning block 35, and the pull rod 41 is movably inserted in the positioning groove 351.

[0023] By adopting the above technical solution, by pulling the pull rod 41, the limit ring 43 slides in the shell 4 and squeezes the spring 42, so that the positioning block 35 can be inserted into the groove 401, and then the pull rod 41 is released, the spring 42 can be reset, so that the pull rod 41 is inserted into the positioning groove 351, and the positioning block 35 can be fixed.

[0024] Working principle: First, by turning on the second motor 31, the threaded rod 32 rotates, and then the movable block 33 slides in the limit frame 3, and then the second guide rod 34 can be adjusted. By pulling the pull rod 41, the limit ring 43 slides in the shell 4 and squeezes the spring 42, so that the positioning block 35 can be inserted into the groove 401. Then, the pull rod 41 is released, and the spring 42 can be reset, so that the pull rod 41 can be inserted into the positioning groove 351, and then the positioning block 35 can be fixed, thereby supporting the heat exchanger body 2 and improving the stability of the heat exchanger body 2. By turning on the first motor 11, the bidirectional screw rod 12 rotates and drives the two threaded blocks 13 to move relative to each other. At the same time, one end of the first guide rod 14 is hinged and rotated on one side of the threaded block 13, and the other end is hinged and rotated on one side of the movable plate 15, and the insert block 16 is disengaged from the slot 22, thereby facilitating the installation and disassembly of the fixed plate 21 and the heat exchanger body 2. The installation and disassembly are convenient, and the maintenance efficiency is improved.

[0025] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A heat exchanger for utilizing waste heat from a ship's main engine, comprising a fixing frame (1), characterized in that: A fixing plate (21) is detachably provided in the fixing frame (1), a heat exchanger body (2) is fixedly provided on the top surface of the fixing plate (21), a threaded block (13) is provided in the fixing frame (1) for sliding toward each other, a first guide rod (14) is hingedly rotated on one side of the threaded block (13), and movable plates (15) are movably provided on both sides of the fixing frame (1), an end of the first guide rod (14) away from the threaded block (13) is hingedly rotated on one side of the movable plate (15), an insert block (16) is fixedly provided on one side of the movable plate (15), and the insert block (16) is slidably inserted in the fixing plate (21).

2. A heat exchanger for utilizing waste heat from a ship main engine according to claim 1, characterized in that: A first motor (11) is installed on one side of the fixed frame (1), a bidirectional screw rod (12) is fixedly provided at the output end of the first motor (11), and the threaded block (13) is threadedly sleeved on the outer surface of the bidirectional screw rod (12).

3. A heat exchanger for utilizing waste heat from a ship main engine according to claim 1, characterized in that: The insert block (16) is slidably arranged in the fixed frame (1); a slot (22) is provided in the fixed plate (21); and the insert block (16) is slidably inserted in the slot (22).

4. A heat exchanger for utilizing waste heat from a ship main engine according to claim 1, characterized in that: Limiting frames (3) are fixedly provided on both sides of the fixed frame (1), a movable block (33) is slidably provided inside the limiting frame (3), and a second guide rod (34) is hingedly rotated on the top surface of the movable block (33).

5. A heat exchanger for utilizing waste heat from a ship main engine as claimed in claim 4, characterized in that: A second motor (31) is installed on one side of the limiting frame (3); a threaded rod (32) is fixedly provided at the output end of the second motor (31); and the movable block (33) is threadedly sleeved on the outer surface of the threaded rod (32).

6. A heat exchanger for utilizing waste heat from a ship main engine according to claim 5, characterized in that: Shells (4) are welded to both sides of the heat exchanger body (2), a positioning block (35) is movably inserted into the shell (4), and one end of the second guide rod (34) away from the movable block (33) is hinged and rotated on one side of the positioning block (35).

7. A heat exchanger for utilizing waste heat from a ship main engine according to claim 6, characterized in that: A pull rod (41) is slidably inserted into the shell (4), and the pull rod (41) is slidably inserted into the positioning block (35). A limiting ring (43) is fixedly sleeved on the outer surface of the pull rod (41), and the limiting ring (43) is slidably arranged in the shell (4). A spring (42) is fixedly connected between the inner wall of the shell (4) and the limiting ring (43).

8. A heat exchanger for utilizing waste heat from a ship main engine according to claim 7, characterized in that: A groove (401) is provided in the housing (4), the positioning block (35) is movably inserted in the groove (401), a positioning groove (351) is provided in the positioning block (35), and the pull rod (41) is movably inserted in the positioning groove (351).

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