A marine heat exchanger

By designing a marine heat exchanger that automatically cleans scale, the problem of blockage and corrosion caused by scale in marine heat exchangers has been solved, achieving efficient equipment maintenance and extended lifespan, and reducing maintenance costs and economic losses.

CN116772625BActive Publication Date: 2026-02-06JIANGSU NANTONG SHENTONG MACHINERY
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Patent Information

Application Number
CN202310725477.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-19
Publication Date
2026-02-06
Estimated Expiration
2043-06-19

AI Technical Summary

Technical Problem

Marine heat exchangers are prone to scale buildup during long-term operation, leading to pipe blockage, corrosion, and leaks. Existing technologies result in high maintenance costs and short equipment lifespans.

Method used

A marine heat exchanger was designed. Through the cooperation of components such as a moving magnet, spring, limit rod, guide block, translation magnet, trigger, motor, belt, driving pulley, driven pulley, gear, tooth block, and cone plate, it can automatically clean scale. Combined with the cooperation of components such as reciprocating plate, pull rod, inclined plate, clamping plate, collection box, and discharge pipe, it can achieve the cleaning and collection of scale.

Benefits of technology

Effectively removes limescale, reduces maintenance costs, extends equipment lifespan, lowers maintenance risks, reduces equipment downtime, and minimizes economic losses.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN116772625B_ABST
    Figure CN116772625B_ABST
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Abstract

The application discloses a marine heat exchanger which comprises two side plates and is provided with heat transfer plates between the two side plates, and the two side plates are symmetrically arranged left and right, and a plurality of guide rods are fixedly connected to the front and back sides of the two side plates and are linearly arranged from top to bottom, and the cooperation between the moving magnet, spring, limiting rod, guide block, translation magnet, trigger, motor, belt, driving grooved wheel, driven grooved wheel, gear, tooth block and taper plate can realize the following functions: when the water flow in the feeding pipe is slowed down due to the scale, the guide block moves to the left side, the original position is changed, when the guide block moves, the moving magnet at the top moves simultaneously, the translation magnet is driven to move, when the translation magnet moves, the trigger is triggered, the motor is started to drive the scraper to rotate, and the scale in the cross pipe, feeding pipe and discharging pipe is cleaned.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat exchangers, in particular to a marine heat exchanger. BACKGROUND

[0002] The plate heat exchanger for ships, commonly known as marine heat exchanger, is mainly applied in cruise ship, liquefied gas carrier, container ship, bulk carrier and engineering ship, etc., and its main working conditions include ship central cooling system, diesel engine cooling, preheating, cylinder liner cooling, lubricating oil cooling, heavy fuel oil preheating, seawater desalination, etc.

[0003] The marine heat exchanger will have scale problem during long time operation, when the scale problem occurs inside the pipeline of the marine heat exchanger, the pipeline will be blocked, scaled and corroded, and overpressure shutdown will occur until accidents happen, such as marine heat exchanger leakage due to corrosion, solution pollution, copper pipe replacement, solution replacement and main engine repair, which generally requires maintenance cost of 20-50 thousand yuan, and after treatment, the maintenance cost can be reduced, the service life of the equipment can be prolonged, and the owner can reduce the loss of hundreds of thousands of yuan. SUMMARY

[0004] In order to achieve the above object, the present application provides the following technical scheme: a marine heat exchanger, comprising two side plates, and the two side plates are symmetrically arranged left and right, and heat transfer plates are jointly installed between the two side plates, a plurality of bars are jointly and fixedly connected to the front and rear sides of the two side plates, and the plurality of bars are linearly arranged from top to bottom, a feed pipe is inserted into the left side of the left side plate close to the top, and a discharge pipe is inserted into the right side of the right side plate close to the top, a cross pipe is jointly and fixedly connected between the feed pipe and the discharge pipe, a sleeve plate is arranged close to the left end in the inner cavity of the feed pipe, a plurality of scrapers are fixedly connected to the right side of the sleeve plate, a plurality of rotating magnets are fixedly connected to the plurality of scrapers, the plurality of scrapers are arranged in a ring array with the center of the sleeve plate as the center, and the corresponding side of the plurality of scrapers is attached to the inner side wall of the cross pipe, a ring groove is formed close to the left end in the inner side wall of the feed pipe, two ring plates are arranged in the inner cavity of the ring groove, and the two ring plates are symmetrically arranged left and right, a plurality of attachment wheels are hingedly connected between the two ring plates, the plurality of attachment wheels are arranged in a ring array with the center of the ring plate as the center, and the corresponding side of the plurality of attachment wheels is attached to the inner side wall of the ring groove, a rectangular groove is formed in the scraper at the top, a moving magnet is arranged in the inner cavity of the rectangular groove, a limiting rod is arranged in the inner cavity of the moving magnet, and the left and right ends of the limiting rod are inserted into the inner side wall of the rectangular groove, two springs are sleeved on the outer side of the limiting rod, one end of the two springs close to the moving magnet is fixedly connected to the moving magnet, and the other end of the two springs away from the moving magnet is fixedly connected to the inner side wall of the rectangular groove, a guide block is fixedly connected to the bottom of the moving magnet, a sliding groove is formed close to the left end at the top of the feed pipe, a translation magnet is movably connected in the inner cavity of the sliding groove, and the translation magnet is arranged at the top of the moving magnet, a trigger is arranged at the top close to the right side of the feed pipe, a motor is arranged at the front side of the feed pipe, a bottom plate is fixedly connected to the bottom of the motor, and the bottom plate is fixedly connected to the left side plate on the left side, the trigger is electrically connected to the motor, a circular plate is sleeved on the outer side close to the left end of the feed pipe, an electromagnet is fixedly connected to the inner side wall of the circular plate, a tapered plate is fixedly connected to the left side of the circular plate, a plurality of tooth blocks are fixedly connected to the outer side of the circular plate, the plurality of tooth blocks are arranged in a ring array with the center of the circular plate as the center, a tooth block is arranged at the front side of the circular plate, a gear is engaged with the adjacent tooth block, a rotating shaft is arranged in the center of the gear and fixedly connected to the gear, a driven groove wheel is fixedly connected to the right end of the rotating shaft, a driving groove wheel is fixedly sleeved on the outer side close to the left end of the power output shaft of the motor, a belt is arranged between the driven groove wheel and the driving groove wheel, and the driven groove wheel and the driving groove wheel are drivingly connected through the belt, and a connecting plate is sleeved on the outer side close to the right end of the rotating shaft.

[0005] Preferably, the bottom of the discharge pipe is fixedly connected with a discharge pipe, the bottom of the discharge pipe is fixedly connected with a mounting plate, the bottom of the mounting plate is provided with a round port, the diameter of the inner cavity of the round port is the same as the diameter of the inner cavity of the discharge pipe, the inner cavity of the discharge pipe has a reciprocating column, the bottom of the reciprocating column is fixedly connected with a pull rod, and the bottom end of the pull rod extends into the inner cavity of the discharge pipe, the inner cavity of the discharge pipe has a material collecting box, and the bottom end of the pull rod penetrates the material collecting box.

[0006] Preferably, the right side of the mounting plate is provided with an opening, the round port and the opening are arranged in interpenetration, the bottom of the inner side wall of the round port is fixedly connected with a plastic plate, the bottom of the material collecting box is attached to the top of the plastic plate, and the diameter of the reciprocating column is the same as the diameter of the inner cavity of the material collecting box.

[0007] Preferably, the right side of the mounting plate is fixedly connected with an inclined plate, and the rear side of the inclined plate is fixedly connected with a clamping plate.

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

[0009] The present application can realize that when the water flow in the feed pipe is slowed down due to scale, the guide block moves to the left side, changes the original set position, the moving magnet at the top moves at the same time when the guide block moves, the translational magnet moves, the trigger is triggered when the translational magnet moves, the trigger starts the motor to drive the scraper to rotate, and the scale in the cross pipe, the feed pipe and the discharge pipe is cleaned.

[0010] The present application can realize that when the scale is cleaned, the staff can pull the pull rod downward, the reciprocating column is driven to move downward to take out the inner cavity of the discharge pipe, and the collection of the scale is completed. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the present application;

[0012] Figure 2 It is a structural internal schematic diagram of the present application;

[0013] Figure 3 It is a structural schematic diagram of the component feed pipe of the present application;

[0014] Figure 4 It is a left view of the component feed pipe of the present application;

[0015] Figure 5 It is a structural schematic diagram of the component sleeve plate of the present application;

[0016] Figure 6 The schematic view of the component mounting plate structure of the present application;

[0017] Figure 7 For Figure 5 Zoom in at A in the middle.

[0018] Figure label: 1, side plate; 2, discharge pipe; 3, aggregate box; 4, inclined plate; 5, heat transfer plate; 6, stop lever; 7, feeding pipe; 8, trigger; 9, translation magnet; 10, tooth block; 11, tapered plate; 12, round plate; 13, gear; 14, motor; 15, bottom plate; 16, scraper; 17, mounting plate; 18, discharge pipe; 19, belt; 20, ring plate; 21, matching wheel; 22, cover plate; 23, moving magnet; 24, spring; 25, limiting rod; 26, guide block; 27, reciprocating column; 28, pull rod; 29, plastic plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0020] Please refer to Figures 1-7 The present application provides a technical solution: a marine heat exchanger, such as Figure 1As shown, including two side plates 1, and two side plates 1 are symmetrically arranged, two side plates 1 between the common installation of heat transfer sheet 5, two side plates 1 front and rear sides are commonly connected with several bars 6, and several bars 6 from top to bottom are linearly arranged in turn, the left side of the left side plate 1 is inserted with the feed pipe 7 near the top, the right side of the right side plate 1 is inserted with the discharge pipe 2 near the top, the feed pipe 7 and the discharge pipe 2 are fixedly connected with the horizontal pipe, the inner cavity of the feed pipe 7 is close to the left end, the sleeve plate 22 is fixedly connected with several scrapers 16 on the right side of the sleeve plate 22, several scrapers 16 are fixedly connected with rotating magnets, and several scrapers 16 are arranged in a circular array with the center of the sleeve plate 22 as the center, and the corresponding side of several scrapers 16 is attached to the inner side wall of the horizontal pipe, the inner side wall of the feed pipe 7 is close to the left end, and the annular groove is formed, the inner cavity of the annular groove has two annular plates 20, and the two annular plates 20 are symmetrically arranged, several abutting wheels 21 are hingedly connected between the two annular plates 20, and several abutting wheels 21 are arranged in a circular array with the center of the annular plate 20 as the center, the corresponding side of several abutting wheels 21 is attached to the inner side wall of the annular groove, the rectangular slot is formed on the scraper 16 at the top, the inner cavity of the rectangular slot has a moving magnet 23, the inner cavity of the moving magnet 23 penetrates through a limiting rod 25, and the left and right ends of the limiting rod 25 are inserted into the inner side wall of the rectangular slot, two springs 24 are sleeved on the outer side of the limiting rod 25, one end of the two springs 24 close to the moving magnet 23 is fixedly connected to the moving magnet 23, and the other end of the two springs 24 away from the moving magnet 23 is fixedly connected to the inner side wall of the rectangular slot, the bottom of the moving magnet 23 is fixedly connected with a guide block 26, a chute is formed on the top of the feed pipe 7 close to the left end, the inner cavity of the chute is movably connected with a translation magnet 9, and the translation magnet 9 is located at the top of the moving magnet 23, a trigger 8 is installed on the top of the feed pipe 7 close to the right side, a motor 14 is arranged on the front side of the feed pipe 7, the bottom of the motor 14 is fixedly connected with a bottom plate 15, the right side of the bottom plate 15 is fixedly connected to the left side plate 1 on the left side, the trigger 8 is electrically connected with the motor 14, the outer side of the feed pipe 7 close to the left end is sleeved with a circular plate 12, and the inner side wall of the circular plate 12 is fixedly connected with an electromagnet, the left side of the circular plate 12 is fixedly connected with a tapered plate 11, the outer side of the circular plate 12 is fixedly connected with several tooth blocks 10, and the center of the circular plate 12 is arranged in a circular array, the front side of the circular plate 12 has a tooth block 10, a gear 13 is engaged with the adjacent tooth block 10, a rotating shaft is penetratingly arranged at the center of the gear 13 and fixedly connected therewith, the right end of the rotating shaft is fixedly connected with a driven groove, the outer side of the power output shaft of the motor 14 close to the left end is fixedly sleeved with a driving groove, the driven groove and the driving groove are connected by a belt 19, the driven groove and the driving groove are drivingly connected through the belt 19, the outer side of the rotating shaft close to the right end is sleeved with a connecting plate, and the rear side of the connecting plate is fixedly connected to the feed pipe 7.

[0021] The bottom of the discharge pipe 2 is fixedly connected with a discharge pipe 18, the bottom of the discharge pipe 18 is fixedly connected with a mounting plate 17, the bottom of the mounting plate 17 is provided with a round opening, the diameter of the inner cavity of the round opening is the same as the diameter of the inner cavity of the discharge pipe 18, the inner cavity of the discharge pipe 18 has a reciprocating column 27, the bottom of the reciprocating column 27 is fixedly connected with a pull rod 28, and the bottom end of the pull rod 28 extends into the inner cavity of the discharge pipe 18, the inner cavity of the discharge pipe 18 has a material collecting box 3, the bottom end of the pull rod 28 penetrates through the material collecting box 3, the right side of the mounting plate 17 is provided with an opening, the round opening and the opening are arranged in communication with each other, the inner side wall of the round opening is fixedly connected with a plastic plate 29 at the bottom, the bottom of the material collecting box 3 is attached to the top of the plastic plate 29, the diameter of the reciprocating column 27 is the same as the diameter of the inner cavity of the material collecting box 3, the right side of the mounting plate 17 is fixedly connected with an inclined plate 4, and the rear side of the inclined plate 4 is fixedly connected with a clamping plate.

[0022] Working principle: when the water flow in the feed pipe 7 is slowed down due to scale, the guide block 26 will move to the left side, changing the original set position, when the guide block 26 moves, the moving magnet 23 at the top moves at the same time, and drives the translation magnet 9 to move, when the translation magnet 9 moves, the trigger 8 is triggered, when the trigger 8 is started, the motor 14 can be started, when the motor 14 is started, the power output shaft can drive the driving grooved wheel to rotate, the driving grooved wheel can drive the driven grooved wheel to rotate through the belt 19, when the driven grooved wheel rotates, the gear 13 can be driven to rotate through the shaft, the gear 13 can drive the circular plate 12 to rotate through meshing with the plurality of tooth blocks 10, the circular plate 12 can drive the plurality of rotating magnets to rotate through the electromagnet, when the rotating magnets rotate, the scraper 16 can be driven to rotate, so as to clean the scale in the inner cavities of the feed pipe 7, the horizontal pipe and the discharge pipe 2, when the scale is cleaned, the water flow can enter the inner cavity of the discharge pipe 18, and fall on the top of the material collecting box 3, then the staff can drive the reciprocating column 27 to move downward through the pull rod 28, and extrude the material collecting box 3 to the lower side of the plastic plate 29.

[0023] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A marine heat exchanger comprising two side plates (1), characterised in that: The two side plates (1) are symmetrically arranged, and a heat transfer plate (5) is installed between the two side plates (1). Several baffles (6) are fixedly connected to both the front and rear sides of the two side plates (1), and the baffles (6) are arranged linearly from top to bottom. A feed pipe (7) is inserted into the left side of the side plate (1) near the top, and a discharge pipe (2) is inserted into the right side of the side plate (1) near the top. A horizontal pipe is fixedly connected between the feed pipe (7) and the discharge pipe (2). A sleeve plate (22) is located near the left end of the inner cavity of the feed pipe (7). Several scrapers (16) are fixedly connected to the right side of the sleeve plate (22), and a rotating magnet is fixedly connected to each of the scrapers (16). Several scrapers (16) are arranged in a circular array with the center of the sleeve plate (22) as the center, and the corresponding side of each scraper (16) is in contact with the inner wall of the horizontal tube. An annular groove is provided on the inner wall of the feed pipe (7) near the left end. There are two annular plates (20) in the inner cavity of the annular groove, and the two annular plates (20) are arranged symmetrically on the left and right. Several bonding wheels (21) are hinged together between the two annular plates (20), and the several bonding wheels (21) are arranged in a circular array with the center of the annular plate (20) as the center. The corresponding side of each bonding wheel (21) is in contact with the inner wall of the annular groove. A rectangular groove is provided on the scraper (16) at the top, and a movable magnet (23) is provided in the inner cavity of the rectangular groove. A limiting rod (25) is provided through the inner cavity of the movable magnet (23), and both ends of the limiting rod (25) are inserted into the inner wall of the rectangular groove. Two springs (24) are sleeved on the outer side of the limiting rod (25), and the ends of the two springs (24) near the movable magnet (23) are fixedly connected to the movable magnet (23), and the ends of the two springs (24) away from the movable magnet (23) are fixedly connected to the inner wall of the rectangular groove. A guide block (26) is fixedly connected to the bottom of the movable magnet (23). A sliding groove is opened at the top of the feed pipe (7) near the left end. A translation magnet (9) is movably connected to the inner cavity of the sliding groove, and the translation magnet (9) is located at the top of the movable magnet (23). (7) A trigger (8) is installed at the top near the right side. A motor (14) is located at the front of the feed pipe (7). A base plate (15) is fixedly connected to the bottom of the motor (14). The right side of the base plate (15) is fixedly connected to the side plate (1) located on the left side. The trigger (8) is electrically connected to the motor (14). A circular plate (12) is sleeved on the outside of the feed pipe (7) near the left end. An electromagnet is fixedly connected to the inner side wall of the circular plate (12). A cone plate (11) is fixedly connected to the left side of the circular plate (12). Several toothed blocks (10) are fixedly connected to the outside of the circular plate (12). The several toothed blocks (10) are arranged in a circular array with the center of the circular plate (12) as the center. There are toothed blocks (10) on the front side of the circular plate (12).Gear (13) and adjacent gear block (10) meshing, the gear (13) center is provided with a rotating shaft, and is fixedly connected with it, the rotating shaft right end fixedly connected with driven slot wheel, the motor (14) power output shaft outside close to left end fixed sleeve has a driving slot wheel, the driven slot wheel and driving slot wheel between the belt (19), the driven slot wheel and driving slot wheel are drivenly connected through the belt (19), the rotating shaft outside close to right end sleeve has a connecting plate, the connecting plate rear side is fixedly connected on the feed pipe (7).

2. A marine heat exchanger according to claim 1, characterised in that: The bottom of the discharge pipe (2) is fixedly connected with a discharge pipe (18), the bottom of the discharge pipe (18) is fixedly connected with a mounting plate (17), the bottom of the mounting plate (17) is provided with a round opening, the diameter of the inner cavity of the round opening is the same as that of the discharge pipe (18), the inner cavity of the discharge pipe (18) is provided with a reciprocating column (27), the bottom of the reciprocating column (27) is fixedly connected with a pull rod (28), the bottom end of the pull rod (28) extends into the inner cavity of the discharge pipe (18), the inner cavity of the discharge pipe (18) is provided with a material collecting box (3), and the bottom end of the pull rod (28) penetrates through the material collecting box (3).

3. A marine heat exchanger according to claim 2, characterised in that: The right side of the mounting plate (17) is provided with an opening, the round opening and the opening are arranged in interpenetration, the bottom of the inner side wall of the round opening is fixedly connected with a plastic plate (29), the bottom of the material collecting box (3) is attached to the top of the plastic plate (29), and the diameter of the reciprocating column (27) is the same as that of the inner cavity of the material collecting box (3).

4. A marine heat exchanger according to claim 3, characterised in that: The right side of the mounting plate (17) is fixedly connected with an inclined plate (4), and the rear side of the inclined plate (4) is fixedly connected with a clamping plate.

Citation Information

Patent Citations

  • Hybrid energy-saving heat exchange unit

    CN217716060U

  • Anti-blocking marine seawater and fresh water heat exchanger

    CN218944475U